obj-$(CONFIG_BRCMFMAC) += brcmfmac.o
brcmfmac-objs += \
- wl_cfg80211.o \
+ cfg80211.o \
chip.o \
fwil.o \
fweh.o \
#include "fwil_types.h"
#include "btcoex.h"
#include "p2p.h"
-#include "wl_cfg80211.h"
+#include "cfg80211.h"
/* T1 start SCO/eSCO priority suppression */
#define BRCMF_BTCOEX_OPPR_WIN_TIME 2000
--- /dev/null
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */
+
+#include <linux/kernel.h>
+#include <linux/etherdevice.h>
+#include <linux/module.h>
+#include <linux/vmalloc.h>
+#include <net/cfg80211.h>
+#include <net/netlink.h>
+
+#include <brcmu_utils.h>
+#include <defs.h>
+#include <brcmu_wifi.h>
+#include "dhd.h"
+#include "debug.h"
+#include "tracepoint.h"
+#include "fwil_types.h"
+#include "p2p.h"
+#include "btcoex.h"
+#include "cfg80211.h"
+#include "feature.h"
+#include "fwil.h"
+#include "proto.h"
+#include "vendor.h"
+#include "bus.h"
+
+#define BRCMF_SCAN_IE_LEN_MAX 2048
+#define BRCMF_PNO_VERSION 2
+#define BRCMF_PNO_TIME 30
+#define BRCMF_PNO_REPEAT 4
+#define BRCMF_PNO_FREQ_EXPO_MAX 3
+#define BRCMF_PNO_MAX_PFN_COUNT 16
+#define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6
+#define BRCMF_PNO_HIDDEN_BIT 2
+#define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
+#define BRCMF_PNO_SCAN_COMPLETE 1
+#define BRCMF_PNO_SCAN_INCOMPLETE 0
+
+#define BRCMF_IFACE_MAX_CNT 3
+
+#define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
+#define WPA_OUI_TYPE 1
+#define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
+#define WME_OUI_TYPE 2
+#define WPS_OUI_TYPE 4
+
+#define VS_IE_FIXED_HDR_LEN 6
+#define WPA_IE_VERSION_LEN 2
+#define WPA_IE_MIN_OUI_LEN 4
+#define WPA_IE_SUITE_COUNT_LEN 2
+
+#define WPA_CIPHER_NONE 0 /* None */
+#define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
+#define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
+#define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
+#define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
+
+#define RSN_AKM_NONE 0 /* None (IBSS) */
+#define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
+#define RSN_AKM_PSK 2 /* Pre-shared Key */
+#define RSN_CAP_LEN 2 /* Length of RSN capabilities */
+#define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
+
+#define VNDR_IE_CMD_LEN 4 /* length of the set command
+ * string :"add", "del" (+ NUL)
+ */
+#define VNDR_IE_COUNT_OFFSET 4
+#define VNDR_IE_PKTFLAG_OFFSET 8
+#define VNDR_IE_VSIE_OFFSET 12
+#define VNDR_IE_HDR_SIZE 12
+#define VNDR_IE_PARSE_LIMIT 5
+
+#define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
+#define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
+
+#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
+#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
+#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
+
+#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
+ (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
+
+static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
+{
+ if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
+ brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
+ vif->sme_state);
+ return false;
+ }
+ return true;
+}
+
+#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
+#define RATETAB_ENT(_rateid, _flags) \
+ { \
+ .bitrate = RATE_TO_BASE100KBPS(_rateid), \
+ .hw_value = (_rateid), \
+ .flags = (_flags), \
+ }
+
+static struct ieee80211_rate __wl_rates[] = {
+ RATETAB_ENT(BRCM_RATE_1M, 0),
+ RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(BRCM_RATE_6M, 0),
+ RATETAB_ENT(BRCM_RATE_9M, 0),
+ RATETAB_ENT(BRCM_RATE_12M, 0),
+ RATETAB_ENT(BRCM_RATE_18M, 0),
+ RATETAB_ENT(BRCM_RATE_24M, 0),
+ RATETAB_ENT(BRCM_RATE_36M, 0),
+ RATETAB_ENT(BRCM_RATE_48M, 0),
+ RATETAB_ENT(BRCM_RATE_54M, 0),
+};
+
+#define wl_a_rates (__wl_rates + 4)
+#define wl_a_rates_size 8
+#define wl_g_rates (__wl_rates + 0)
+#define wl_g_rates_size 12
+
+/* Band templates duplicated per wiphy. The channel info
+ * is filled in after querying the device.
+ */
+static const struct ieee80211_supported_band __wl_band_2ghz = {
+ .band = IEEE80211_BAND_2GHZ,
+ .bitrates = wl_g_rates,
+ .n_bitrates = wl_g_rates_size,
+};
+
+static const struct ieee80211_supported_band __wl_band_5ghz_a = {
+ .band = IEEE80211_BAND_5GHZ,
+ .bitrates = wl_a_rates,
+ .n_bitrates = wl_a_rates_size,
+};
+
+/* This is to override regulatory domains defined in cfg80211 module (reg.c)
+ * By default world regulatory domain defined in reg.c puts the flags
+ * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
+ * With respect to these flags, wpa_supplicant doesn't * start p2p
+ * operations on 5GHz channels. All the changes in world regulatory
+ * domain are to be done here.
+ */
+static const struct ieee80211_regdomain brcmf_regdom = {
+ .n_reg_rules = 4,
+ .alpha2 = "99",
+ .reg_rules = {
+ /* IEEE 802.11b/g, channels 1..11 */
+ REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
+ /* If any */
+ /* IEEE 802.11 channel 14 - Only JP enables
+ * this and for 802.11b only
+ */
+ REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
+ /* IEEE 802.11a, channel 36..64 */
+ REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
+ /* IEEE 802.11a, channel 100..165 */
+ REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
+};
+
+static const u32 __wl_cipher_suites[] = {
+ WLAN_CIPHER_SUITE_WEP40,
+ WLAN_CIPHER_SUITE_WEP104,
+ WLAN_CIPHER_SUITE_TKIP,
+ WLAN_CIPHER_SUITE_CCMP,
+ WLAN_CIPHER_SUITE_AES_CMAC,
+};
+
+/* Vendor specific ie. id = 221, oui and type defines exact ie */
+struct brcmf_vs_tlv {
+ u8 id;
+ u8 len;
+ u8 oui[3];
+ u8 oui_type;
+};
+
+struct parsed_vndr_ie_info {
+ u8 *ie_ptr;
+ u32 ie_len; /* total length including id & length field */
+ struct brcmf_vs_tlv vndrie;
+};
+
+struct parsed_vndr_ies {
+ u32 count;
+ struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
+};
+
+static int brcmf_roamoff;
+module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
+MODULE_PARM_DESC(roamoff, "do not use internal roaming engine");
+
+/* Quarter dBm units to mW
+ * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
+ * Table is offset so the last entry is largest mW value that fits in
+ * a u16.
+ */
+
+#define QDBM_OFFSET 153 /* Offset for first entry */
+#define QDBM_TABLE_LEN 40 /* Table size */
+
+/* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
+ * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
+ */
+#define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
+
+/* Largest mW value that will round down to the last table entry,
+ * QDBM_OFFSET + QDBM_TABLE_LEN-1.
+ * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
+ * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
+ */
+#define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
+
+static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
+/* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
+/* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
+/* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
+/* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
+/* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
+/* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
+};
+
+static u16 brcmf_qdbm_to_mw(u8 qdbm)
+{
+ uint factor = 1;
+ int idx = qdbm - QDBM_OFFSET;
+
+ if (idx >= QDBM_TABLE_LEN)
+ /* clamp to max u16 mW value */
+ return 0xFFFF;
+
+ /* scale the qdBm index up to the range of the table 0-40
+ * where an offset of 40 qdBm equals a factor of 10 mW.
+ */
+ while (idx < 0) {
+ idx += 40;
+ factor *= 10;
+ }
+
+ /* return the mW value scaled down to the correct factor of 10,
+ * adding in factor/2 to get proper rounding.
+ */
+ return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
+}
+
+static u8 brcmf_mw_to_qdbm(u16 mw)
+{
+ u8 qdbm;
+ int offset;
+ uint mw_uint = mw;
+ uint boundary;
+
+ /* handle boundary case */
+ if (mw_uint <= 1)
+ return 0;
+
+ offset = QDBM_OFFSET;
+
+ /* move mw into the range of the table */
+ while (mw_uint < QDBM_TABLE_LOW_BOUND) {
+ mw_uint *= 10;
+ offset -= 40;
+ }
+
+ for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
+ boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
+ nqdBm_to_mW_map[qdbm]) / 2;
+ if (mw_uint < boundary)
+ break;
+ }
+
+ qdbm += (u8) offset;
+
+ return qdbm;
+}
+
+static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
+ struct cfg80211_chan_def *ch)
+{
+ struct brcmu_chan ch_inf;
+ s32 primary_offset;
+
+ brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
+ ch->chan->center_freq, ch->center_freq1, ch->width);
+ ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
+ primary_offset = ch->center_freq1 - ch->chan->center_freq;
+ switch (ch->width) {
+ case NL80211_CHAN_WIDTH_20:
+ ch_inf.bw = BRCMU_CHAN_BW_20;
+ WARN_ON(primary_offset != 0);
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ ch_inf.bw = BRCMU_CHAN_BW_40;
+ if (primary_offset < 0)
+ ch_inf.sb = BRCMU_CHAN_SB_U;
+ else
+ ch_inf.sb = BRCMU_CHAN_SB_L;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ ch_inf.bw = BRCMU_CHAN_BW_80;
+ if (primary_offset < 0) {
+ if (primary_offset < -CH_10MHZ_APART)
+ ch_inf.sb = BRCMU_CHAN_SB_UU;
+ else
+ ch_inf.sb = BRCMU_CHAN_SB_UL;
+ } else {
+ if (primary_offset > CH_10MHZ_APART)
+ ch_inf.sb = BRCMU_CHAN_SB_LL;
+ else
+ ch_inf.sb = BRCMU_CHAN_SB_LU;
+ }
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ }
+ switch (ch->chan->band) {
+ case IEEE80211_BAND_2GHZ:
+ ch_inf.band = BRCMU_CHAN_BAND_2G;
+ break;
+ case IEEE80211_BAND_5GHZ:
+ ch_inf.band = BRCMU_CHAN_BAND_5G;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ }
+ d11inf->encchspec(&ch_inf);
+
+ return ch_inf.chspec;
+}
+
+u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
+ struct ieee80211_channel *ch)
+{
+ struct brcmu_chan ch_inf;
+
+ ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
+ ch_inf.bw = BRCMU_CHAN_BW_20;
+ d11inf->encchspec(&ch_inf);
+
+ return ch_inf.chspec;
+}
+
+/* Traverse a string of 1-byte tag/1-byte length/variable-length value
+ * triples, returning a pointer to the substring whose first element
+ * matches tag
+ */
+const struct brcmf_tlv *
+brcmf_parse_tlvs(const void *buf, int buflen, uint key)
+{
+ const struct brcmf_tlv *elt = buf;
+ int totlen = buflen;
+
+ /* find tagged parameter */
+ while (totlen >= TLV_HDR_LEN) {
+ int len = elt->len;
+
+ /* validate remaining totlen */
+ if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
+ return elt;
+
+ elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
+ totlen -= (len + TLV_HDR_LEN);
+ }
+
+ return NULL;
+}
+
+/* Is any of the tlvs the expected entry? If
+ * not update the tlvs buffer pointer/length.
+ */
+static bool
+brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
+ const u8 *oui, u32 oui_len, u8 type)
+{
+ /* If the contents match the OUI and the type */
+ if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
+ !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
+ type == ie[TLV_BODY_OFF + oui_len]) {
+ return true;
+ }
+
+ if (tlvs == NULL)
+ return false;
+ /* point to the next ie */
+ ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
+ /* calculate the length of the rest of the buffer */
+ *tlvs_len -= (int)(ie - *tlvs);
+ /* update the pointer to the start of the buffer */
+ *tlvs = ie;
+
+ return false;
+}
+
+static struct brcmf_vs_tlv *
+brcmf_find_wpaie(const u8 *parse, u32 len)
+{
+ const struct brcmf_tlv *ie;
+
+ while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
+ if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
+ WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
+ return (struct brcmf_vs_tlv *)ie;
+ }
+ return NULL;
+}
+
+static struct brcmf_vs_tlv *
+brcmf_find_wpsie(const u8 *parse, u32 len)
+{
+ const struct brcmf_tlv *ie;
+
+ while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
+ if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
+ WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
+ return (struct brcmf_vs_tlv *)ie;
+ }
+ return NULL;
+}
+
+
+static void convert_key_from_CPU(struct brcmf_wsec_key *key,
+ struct brcmf_wsec_key_le *key_le)
+{
+ key_le->index = cpu_to_le32(key->index);
+ key_le->len = cpu_to_le32(key->len);
+ key_le->algo = cpu_to_le32(key->algo);
+ key_le->flags = cpu_to_le32(key->flags);
+ key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
+ key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
+ key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
+ memcpy(key_le->data, key->data, sizeof(key->data));
+ memcpy(key_le->ea, key->ea, sizeof(key->ea));
+}
+
+static int
+send_key_to_dongle(struct net_device *ndev, struct brcmf_wsec_key *key)
+{
+ int err;
+ struct brcmf_wsec_key_le key_le;
+
+ convert_key_from_CPU(key, &key_le);
+
+ brcmf_netdev_wait_pend8021x(ndev);
+
+ err = brcmf_fil_bsscfg_data_set(netdev_priv(ndev), "wsec_key", &key_le,
+ sizeof(key_le));
+
+ if (err)
+ brcmf_err("wsec_key error (%d)\n", err);
+ return err;
+}
+
+static s32
+brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
+{
+ s32 err;
+ u32 mode;
+
+ if (enable)
+ mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
+ else
+ mode = 0;
+
+ /* Try to set and enable ARP offload feature, this may fail, then it */
+ /* is simply not supported and err 0 will be returned */
+ err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
+ if (err) {
+ brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
+ mode, err);
+ err = 0;
+ } else {
+ err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
+ if (err) {
+ brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
+ enable, err);
+ err = 0;
+ } else
+ brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
+ enable, mode);
+ }
+
+ return err;
+}
+
+static void
+brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
+{
+ struct brcmf_cfg80211_vif *vif;
+ struct brcmf_if *ifp;
+
+ vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
+ ifp = vif->ifp;
+
+ if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
+ (wdev->iftype == NL80211_IFTYPE_AP) ||
+ (wdev->iftype == NL80211_IFTYPE_P2P_GO))
+ brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
+ ADDR_DIRECT);
+ else
+ brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
+ ADDR_INDIRECT);
+}
+
+static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
+{
+ enum nl80211_iftype iftype;
+
+ iftype = vif->wdev.iftype;
+ return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
+}
+
+static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
+{
+ return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
+}
+
+static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
+ const char *name,
+ enum nl80211_iftype type,
+ u32 *flags,
+ struct vif_params *params)
+{
+ struct wireless_dev *wdev;
+
+ brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
+ switch (type) {
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_WDS:
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_MESH_POINT:
+ return ERR_PTR(-EOPNOTSUPP);
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_P2P_DEVICE:
+ wdev = brcmf_p2p_add_vif(wiphy, name, type, flags, params);
+ if (!IS_ERR(wdev))
+ brcmf_cfg80211_update_proto_addr_mode(wdev);
+ return wdev;
+ case NL80211_IFTYPE_UNSPECIFIED:
+ default:
+ return ERR_PTR(-EINVAL);
+ }
+}
+
+static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
+{
+ if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
+ brcmf_set_mpc(ifp, mpc);
+}
+
+void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
+{
+ s32 err = 0;
+
+ if (check_vif_up(ifp->vif)) {
+ err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
+ if (err) {
+ brcmf_err("fail to set mpc\n");
+ return;
+ }
+ brcmf_dbg(INFO, "MPC : %d\n", mpc);
+ }
+}
+
+s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_if *ifp, bool aborted,
+ bool fw_abort)
+{
+ struct brcmf_scan_params_le params_le;
+ struct cfg80211_scan_request *scan_request;
+ s32 err = 0;
+
+ brcmf_dbg(SCAN, "Enter\n");
+
+ /* clear scan request, because the FW abort can cause a second call */
+ /* to this functon and might cause a double cfg80211_scan_done */
+ scan_request = cfg->scan_request;
+ cfg->scan_request = NULL;
+
+ if (timer_pending(&cfg->escan_timeout))
+ del_timer_sync(&cfg->escan_timeout);
+
+ if (fw_abort) {
+ /* Do a scan abort to stop the driver's scan engine */
+ brcmf_dbg(SCAN, "ABORT scan in firmware\n");
+ memset(¶ms_le, 0, sizeof(params_le));
+ memset(params_le.bssid, 0xFF, ETH_ALEN);
+ params_le.bss_type = DOT11_BSSTYPE_ANY;
+ params_le.scan_type = 0;
+ params_le.channel_num = cpu_to_le32(1);
+ params_le.nprobes = cpu_to_le32(1);
+ params_le.active_time = cpu_to_le32(-1);
+ params_le.passive_time = cpu_to_le32(-1);
+ params_le.home_time = cpu_to_le32(-1);
+ /* Scan is aborted by setting channel_list[0] to -1 */
+ params_le.channel_list[0] = cpu_to_le16(-1);
+ /* E-Scan (or anyother type) can be aborted by SCAN */
+ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
+ ¶ms_le, sizeof(params_le));
+ if (err)
+ brcmf_err("Scan abort failed\n");
+ }
+
+ brcmf_scan_config_mpc(ifp, 1);
+
+ /*
+ * e-scan can be initiated by scheduled scan
+ * which takes precedence.
+ */
+ if (cfg->sched_escan) {
+ brcmf_dbg(SCAN, "scheduled scan completed\n");
+ cfg->sched_escan = false;
+ if (!aborted)
+ cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
+ } else if (scan_request) {
+ brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
+ aborted ? "Aborted" : "Done");
+ cfg80211_scan_done(scan_request, aborted);
+ }
+ if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
+ brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
+
+ return err;
+}
+
+static
+int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
+ struct net_device *ndev = wdev->netdev;
+
+ /* vif event pending in firmware */
+ if (brcmf_cfg80211_vif_event_armed(cfg))
+ return -EBUSY;
+
+ if (ndev) {
+ if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
+ cfg->escan_info.ifp == netdev_priv(ndev))
+ brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
+ true, true);
+
+ brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
+ }
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_WDS:
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_MESH_POINT:
+ return -EOPNOTSUPP;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_P2P_DEVICE:
+ return brcmf_p2p_del_vif(wiphy, wdev);
+ case NL80211_IFTYPE_UNSPECIFIED:
+ default:
+ return -EINVAL;
+ }
+ return -EOPNOTSUPP;
+}
+
+static s32
+brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
+ enum nl80211_iftype type, u32 *flags,
+ struct vif_params *params)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_vif *vif = ifp->vif;
+ s32 infra = 0;
+ s32 ap = 0;
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type);
+
+ switch (type) {
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_WDS:
+ brcmf_err("type (%d) : currently we do not support this type\n",
+ type);
+ return -EOPNOTSUPP;
+ case NL80211_IFTYPE_ADHOC:
+ infra = 0;
+ break;
+ case NL80211_IFTYPE_STATION:
+ /* Ignore change for p2p IF. Unclear why supplicant does this */
+ if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
+ (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) {
+ brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
+ /* WAR: It is unexpected to get a change of VIF for P2P
+ * IF, but it happens. The request can not be handled
+ * but returning EPERM causes a crash. Returning 0
+ * without setting ieee80211_ptr->iftype causes trace
+ * (WARN_ON) but it works with wpa_supplicant
+ */
+ return 0;
+ }
+ infra = 1;
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ ap = 1;
+ break;
+ default:
+ err = -EINVAL;
+ goto done;
+ }
+
+ if (ap) {
+ if (type == NL80211_IFTYPE_P2P_GO) {
+ brcmf_dbg(INFO, "IF Type = P2P GO\n");
+ err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
+ }
+ if (!err) {
+ set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
+ brcmf_dbg(INFO, "IF Type = AP\n");
+ }
+ } else {
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
+ if (err) {
+ brcmf_err("WLC_SET_INFRA error (%d)\n", err);
+ err = -EAGAIN;
+ goto done;
+ }
+ brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
+ "Adhoc" : "Infra");
+ }
+ ndev->ieee80211_ptr->iftype = type;
+
+ brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
+
+done:
+ brcmf_dbg(TRACE, "Exit\n");
+
+ return err;
+}
+
+static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_scan_params_le *params_le,
+ struct cfg80211_scan_request *request)
+{
+ u32 n_ssids;
+ u32 n_channels;
+ s32 i;
+ s32 offset;
+ u16 chanspec;
+ char *ptr;
+ struct brcmf_ssid_le ssid_le;
+
+ memset(params_le->bssid, 0xFF, ETH_ALEN);
+ params_le->bss_type = DOT11_BSSTYPE_ANY;
+ params_le->scan_type = 0;
+ params_le->channel_num = 0;
+ params_le->nprobes = cpu_to_le32(-1);
+ params_le->active_time = cpu_to_le32(-1);
+ params_le->passive_time = cpu_to_le32(-1);
+ params_le->home_time = cpu_to_le32(-1);
+ memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le));
+
+ /* if request is null exit so it will be all channel broadcast scan */
+ if (!request)
+ return;
+
+ n_ssids = request->n_ssids;
+ n_channels = request->n_channels;
+ /* Copy channel array if applicable */
+ brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
+ n_channels);
+ if (n_channels > 0) {
+ for (i = 0; i < n_channels; i++) {
+ chanspec = channel_to_chanspec(&cfg->d11inf,
+ request->channels[i]);
+ brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
+ request->channels[i]->hw_value, chanspec);
+ params_le->channel_list[i] = cpu_to_le16(chanspec);
+ }
+ } else {
+ brcmf_dbg(SCAN, "Scanning all channels\n");
+ }
+ /* Copy ssid array if applicable */
+ brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
+ if (n_ssids > 0) {
+ offset = offsetof(struct brcmf_scan_params_le, channel_list) +
+ n_channels * sizeof(u16);
+ offset = roundup(offset, sizeof(u32));
+ ptr = (char *)params_le + offset;
+ for (i = 0; i < n_ssids; i++) {
+ memset(&ssid_le, 0, sizeof(ssid_le));
+ ssid_le.SSID_len =
+ cpu_to_le32(request->ssids[i].ssid_len);
+ memcpy(ssid_le.SSID, request->ssids[i].ssid,
+ request->ssids[i].ssid_len);
+ if (!ssid_le.SSID_len)
+ brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
+ else
+ brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
+ i, ssid_le.SSID, ssid_le.SSID_len);
+ memcpy(ptr, &ssid_le, sizeof(ssid_le));
+ ptr += sizeof(ssid_le);
+ }
+ } else {
+ brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
+ if ((request->ssids) && request->ssids->ssid_len) {
+ brcmf_dbg(SCAN, "SSID %s len=%d\n",
+ params_le->ssid_le.SSID,
+ request->ssids->ssid_len);
+ params_le->ssid_le.SSID_len =
+ cpu_to_le32(request->ssids->ssid_len);
+ memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid,
+ request->ssids->ssid_len);
+ }
+ }
+ /* Adding mask to channel numbers */
+ params_le->channel_num =
+ cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
+ (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
+}
+
+static s32
+brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
+ struct cfg80211_scan_request *request, u16 action)
+{
+ s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
+ offsetof(struct brcmf_escan_params_le, params_le);
+ struct brcmf_escan_params_le *params;
+ s32 err = 0;
+
+ brcmf_dbg(SCAN, "E-SCAN START\n");
+
+ if (request != NULL) {
+ /* Allocate space for populating ssids in struct */
+ params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
+
+ /* Allocate space for populating ssids in struct */
+ params_size += sizeof(struct brcmf_ssid) * request->n_ssids;
+ }
+
+ params = kzalloc(params_size, GFP_KERNEL);
+ if (!params) {
+ err = -ENOMEM;
+ goto exit;
+ }
+ BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
+ brcmf_escan_prep(cfg, ¶ms->params_le, request);
+ params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
+ params->action = cpu_to_le16(action);
+ params->sync_id = cpu_to_le16(0x1234);
+
+ err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
+ if (err) {
+ if (err == -EBUSY)
+ brcmf_dbg(INFO, "system busy : escan canceled\n");
+ else
+ brcmf_err("error (%d)\n", err);
+ }
+
+ kfree(params);
+exit:
+ return err;
+}
+
+static s32
+brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
+ struct brcmf_if *ifp, struct cfg80211_scan_request *request)
+{
+ s32 err;
+ u32 passive_scan;
+ struct brcmf_scan_results *results;
+ struct escan_info *escan = &cfg->escan_info;
+
+ brcmf_dbg(SCAN, "Enter\n");
+ escan->ifp = ifp;
+ escan->wiphy = wiphy;
+ escan->escan_state = WL_ESCAN_STATE_SCANNING;
+ passive_scan = cfg->active_scan ? 0 : 1;
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
+ passive_scan);
+ if (err) {
+ brcmf_err("error (%d)\n", err);
+ return err;
+ }
+ brcmf_scan_config_mpc(ifp, 0);
+ results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
+ results->version = 0;
+ results->count = 0;
+ results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
+
+ err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START);
+ if (err)
+ brcmf_scan_config_mpc(ifp, 1);
+ return err;
+}
+
+static s32
+brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
+ struct cfg80211_scan_request *request,
+ struct cfg80211_ssid *this_ssid)
+{
+ struct brcmf_if *ifp = vif->ifp;
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct cfg80211_ssid *ssids;
+ struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
+ u32 passive_scan;
+ bool escan_req;
+ bool spec_scan;
+ s32 err;
+ u32 SSID_len;
+
+ brcmf_dbg(SCAN, "START ESCAN\n");
+
+ if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
+ brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
+ return -EAGAIN;
+ }
+ if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
+ brcmf_err("Scanning being aborted: status (%lu)\n",
+ cfg->scan_status);
+ return -EAGAIN;
+ }
+ if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
+ brcmf_err("Scanning suppressed: status (%lu)\n",
+ cfg->scan_status);
+ return -EAGAIN;
+ }
+ if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
+ brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
+ return -EAGAIN;
+ }
+
+ /* If scan req comes for p2p0, send it over primary I/F */
+ if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
+ vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
+
+ /* Arm scan timeout timer */
+ mod_timer(&cfg->escan_timeout, jiffies +
+ WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
+
+ escan_req = false;
+ if (request) {
+ /* scan bss */
+ ssids = request->ssids;
+ escan_req = true;
+ } else {
+ /* scan in ibss */
+ /* we don't do escan in ibss */
+ ssids = this_ssid;
+ }
+
+ cfg->scan_request = request;
+ set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
+ if (escan_req) {
+ cfg->escan_info.run = brcmf_run_escan;
+ err = brcmf_p2p_scan_prep(wiphy, request, vif);
+ if (err)
+ goto scan_out;
+
+ err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
+ if (err)
+ goto scan_out;
+ } else {
+ brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
+ ssids->ssid, ssids->ssid_len);
+ memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
+ SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
+ sr->ssid_le.SSID_len = cpu_to_le32(0);
+ spec_scan = false;
+ if (SSID_len) {
+ memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
+ sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
+ spec_scan = true;
+ } else
+ brcmf_dbg(SCAN, "Broadcast scan\n");
+
+ passive_scan = cfg->active_scan ? 0 : 1;
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
+ passive_scan);
+ if (err) {
+ brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
+ goto scan_out;
+ }
+ brcmf_scan_config_mpc(ifp, 0);
+ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
+ &sr->ssid_le, sizeof(sr->ssid_le));
+ if (err) {
+ if (err == -EBUSY)
+ brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
+ sr->ssid_le.SSID);
+ else
+ brcmf_err("WLC_SCAN error (%d)\n", err);
+
+ brcmf_scan_config_mpc(ifp, 1);
+ goto scan_out;
+ }
+ }
+
+ return 0;
+
+scan_out:
+ clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
+ if (timer_pending(&cfg->escan_timeout))
+ del_timer_sync(&cfg->escan_timeout);
+ cfg->scan_request = NULL;
+ return err;
+}
+
+static s32
+brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
+{
+ struct brcmf_cfg80211_vif *vif;
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
+ if (!check_vif_up(vif))
+ return -EIO;
+
+ err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
+
+ if (err)
+ brcmf_err("scan error (%d)\n", err);
+
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
+{
+ s32 err = 0;
+
+ err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
+ rts_threshold);
+ if (err)
+ brcmf_err("Error (%d)\n", err);
+
+ return err;
+}
+
+static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
+{
+ s32 err = 0;
+
+ err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
+ frag_threshold);
+ if (err)
+ brcmf_err("Error (%d)\n", err);
+
+ return err;
+}
+
+static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
+{
+ s32 err = 0;
+ u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
+
+ err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
+ if (err) {
+ brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
+ return err;
+ }
+ return err;
+}
+
+static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct net_device *ndev = cfg_to_ndev(cfg);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
+ (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
+ cfg->conf->rts_threshold = wiphy->rts_threshold;
+ err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
+ if (!err)
+ goto done;
+ }
+ if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
+ (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
+ cfg->conf->frag_threshold = wiphy->frag_threshold;
+ err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
+ if (!err)
+ goto done;
+ }
+ if (changed & WIPHY_PARAM_RETRY_LONG
+ && (cfg->conf->retry_long != wiphy->retry_long)) {
+ cfg->conf->retry_long = wiphy->retry_long;
+ err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
+ if (!err)
+ goto done;
+ }
+ if (changed & WIPHY_PARAM_RETRY_SHORT
+ && (cfg->conf->retry_short != wiphy->retry_short)) {
+ cfg->conf->retry_short = wiphy->retry_short;
+ err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
+ if (!err)
+ goto done;
+ }
+
+done:
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
+{
+ memset(prof, 0, sizeof(*prof));
+}
+
+static void brcmf_link_down(struct brcmf_cfg80211_vif *vif)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
+ brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
+ err = brcmf_fil_cmd_data_set(vif->ifp,
+ BRCMF_C_DISASSOC, NULL, 0);
+ if (err) {
+ brcmf_err("WLC_DISASSOC failed (%d)\n", err);
+ }
+ clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state);
+ cfg80211_disconnected(vif->wdev.netdev, 0, NULL, 0, GFP_KERNEL);
+
+ }
+ clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
+ clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
+ brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
+ brcmf_dbg(TRACE, "Exit\n");
+}
+
+static s32
+brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_ibss_params *params)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
+ struct brcmf_join_params join_params;
+ size_t join_params_size = 0;
+ s32 err = 0;
+ s32 wsec = 0;
+ s32 bcnprd;
+ u16 chanspec;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ if (params->ssid)
+ brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
+ else {
+ brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
+
+ if (params->bssid)
+ brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
+ else
+ brcmf_dbg(CONN, "No BSSID specified\n");
+
+ if (params->chandef.chan)
+ brcmf_dbg(CONN, "channel: %d\n",
+ params->chandef.chan->center_freq);
+ else
+ brcmf_dbg(CONN, "no channel specified\n");
+
+ if (params->channel_fixed)
+ brcmf_dbg(CONN, "fixed channel required\n");
+ else
+ brcmf_dbg(CONN, "no fixed channel required\n");
+
+ if (params->ie && params->ie_len)
+ brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
+ else
+ brcmf_dbg(CONN, "no ie specified\n");
+
+ if (params->beacon_interval)
+ brcmf_dbg(CONN, "beacon interval: %d\n",
+ params->beacon_interval);
+ else
+ brcmf_dbg(CONN, "no beacon interval specified\n");
+
+ if (params->basic_rates)
+ brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
+ else
+ brcmf_dbg(CONN, "no basic rates specified\n");
+
+ if (params->privacy)
+ brcmf_dbg(CONN, "privacy required\n");
+ else
+ brcmf_dbg(CONN, "no privacy required\n");
+
+ /* Configure Privacy for starter */
+ if (params->privacy)
+ wsec |= WEP_ENABLED;
+
+ err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
+ if (err) {
+ brcmf_err("wsec failed (%d)\n", err);
+ goto done;
+ }
+
+ /* Configure Beacon Interval for starter */
+ if (params->beacon_interval)
+ bcnprd = params->beacon_interval;
+ else
+ bcnprd = 100;
+
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
+ if (err) {
+ brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
+ goto done;
+ }
+
+ /* Configure required join parameter */
+ memset(&join_params, 0, sizeof(struct brcmf_join_params));
+
+ /* SSID */
+ profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32);
+ memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len);
+ memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len);
+ join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
+ join_params_size = sizeof(join_params.ssid_le);
+
+ /* BSSID */
+ if (params->bssid) {
+ memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
+ join_params_size = sizeof(join_params.ssid_le) +
+ BRCMF_ASSOC_PARAMS_FIXED_SIZE;
+ memcpy(profile->bssid, params->bssid, ETH_ALEN);
+ } else {
+ memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
+ memset(profile->bssid, 0, ETH_ALEN);
+ }
+
+ /* Channel */
+ if (params->chandef.chan) {
+ u32 target_channel;
+
+ cfg->channel =
+ ieee80211_frequency_to_channel(
+ params->chandef.chan->center_freq);
+ if (params->channel_fixed) {
+ /* adding chanspec */
+ chanspec = chandef_to_chanspec(&cfg->d11inf,
+ ¶ms->chandef);
+ join_params.params_le.chanspec_list[0] =
+ cpu_to_le16(chanspec);
+ join_params.params_le.chanspec_num = cpu_to_le32(1);
+ join_params_size += sizeof(join_params.params_le);
+ }
+
+ /* set channel for starter */
+ target_channel = cfg->channel;
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
+ target_channel);
+ if (err) {
+ brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
+ goto done;
+ }
+ } else
+ cfg->channel = 0;
+
+ cfg->ibss_starter = false;
+
+
+ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
+ &join_params, join_params_size);
+ if (err) {
+ brcmf_err("WLC_SET_SSID failed (%d)\n", err);
+ goto done;
+ }
+
+done:
+ if (err)
+ clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ brcmf_link_down(ifp->vif);
+
+ brcmf_dbg(TRACE, "Exit\n");
+
+ return 0;
+}
+
+static s32 brcmf_set_wpa_version(struct net_device *ndev,
+ struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
+ struct brcmf_cfg80211_security *sec;
+ s32 val = 0;
+ s32 err = 0;
+
+ if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
+ val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
+ else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
+ val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
+ else
+ val = WPA_AUTH_DISABLED;
+ brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
+ err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
+ if (err) {
+ brcmf_err("set wpa_auth failed (%d)\n", err);
+ return err;
+ }
+ sec = &profile->sec;
+ sec->wpa_versions = sme->crypto.wpa_versions;
+ return err;
+}
+
+static s32 brcmf_set_auth_type(struct net_device *ndev,
+ struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
+ struct brcmf_cfg80211_security *sec;
+ s32 val = 0;
+ s32 err = 0;
+
+ switch (sme->auth_type) {
+ case NL80211_AUTHTYPE_OPEN_SYSTEM:
+ val = 0;
+ brcmf_dbg(CONN, "open system\n");
+ break;
+ case NL80211_AUTHTYPE_SHARED_KEY:
+ val = 1;
+ brcmf_dbg(CONN, "shared key\n");
+ break;
+ case NL80211_AUTHTYPE_AUTOMATIC:
+ val = 2;
+ brcmf_dbg(CONN, "automatic\n");
+ break;
+ case NL80211_AUTHTYPE_NETWORK_EAP:
+ brcmf_dbg(CONN, "network eap\n");
+ default:
+ val = 2;
+ brcmf_err("invalid auth type (%d)\n", sme->auth_type);
+ break;
+ }
+
+ err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
+ if (err) {
+ brcmf_err("set auth failed (%d)\n", err);
+ return err;
+ }
+ sec = &profile->sec;
+ sec->auth_type = sme->auth_type;
+ return err;
+}
+
+static s32
+brcmf_set_wsec_mode(struct net_device *ndev,
+ struct cfg80211_connect_params *sme, bool mfp)
+{
+ struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
+ struct brcmf_cfg80211_security *sec;
+ s32 pval = 0;
+ s32 gval = 0;
+ s32 wsec;
+ s32 err = 0;
+
+ if (sme->crypto.n_ciphers_pairwise) {
+ switch (sme->crypto.ciphers_pairwise[0]) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ pval = WEP_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ pval = TKIP_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ pval = AES_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ pval = AES_ENABLED;
+ break;
+ default:
+ brcmf_err("invalid cipher pairwise (%d)\n",
+ sme->crypto.ciphers_pairwise[0]);
+ return -EINVAL;
+ }
+ }
+ if (sme->crypto.cipher_group) {
+ switch (sme->crypto.cipher_group) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ gval = WEP_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ gval = TKIP_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ gval = AES_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ gval = AES_ENABLED;
+ break;
+ default:
+ brcmf_err("invalid cipher group (%d)\n",
+ sme->crypto.cipher_group);
+ return -EINVAL;
+ }
+ }
+
+ brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
+ /* In case of privacy, but no security and WPS then simulate */
+ /* setting AES. WPS-2.0 allows no security */
+ if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
+ sme->privacy)
+ pval = AES_ENABLED;
+
+ if (mfp)
+ wsec = pval | gval | MFP_CAPABLE;
+ else
+ wsec = pval | gval;
+ err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
+ if (err) {
+ brcmf_err("error (%d)\n", err);
+ return err;
+ }
+
+ sec = &profile->sec;
+ sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
+ sec->cipher_group = sme->crypto.cipher_group;
+
+ return err;
+}
+
+static s32
+brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
+ struct brcmf_cfg80211_security *sec;
+ s32 val = 0;
+ s32 err = 0;
+
+ if (sme->crypto.n_akm_suites) {
+ err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev),
+ "wpa_auth", &val);
+ if (err) {
+ brcmf_err("could not get wpa_auth (%d)\n", err);
+ return err;
+ }
+ if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
+ switch (sme->crypto.akm_suites[0]) {
+ case WLAN_AKM_SUITE_8021X:
+ val = WPA_AUTH_UNSPECIFIED;
+ break;
+ case WLAN_AKM_SUITE_PSK:
+ val = WPA_AUTH_PSK;
+ break;
+ default:
+ brcmf_err("invalid cipher group (%d)\n",
+ sme->crypto.cipher_group);
+ return -EINVAL;
+ }
+ } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
+ switch (sme->crypto.akm_suites[0]) {
+ case WLAN_AKM_SUITE_8021X:
+ val = WPA2_AUTH_UNSPECIFIED;
+ break;
+ case WLAN_AKM_SUITE_PSK:
+ val = WPA2_AUTH_PSK;
+ break;
+ default:
+ brcmf_err("invalid cipher group (%d)\n",
+ sme->crypto.cipher_group);
+ return -EINVAL;
+ }
+ }
+
+ brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
+ err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev),
+ "wpa_auth", val);
+ if (err) {
+ brcmf_err("could not set wpa_auth (%d)\n", err);
+ return err;
+ }
+ }
+ sec = &profile->sec;
+ sec->wpa_auth = sme->crypto.akm_suites[0];
+
+ return err;
+}
+
+static s32
+brcmf_set_sharedkey(struct net_device *ndev,
+ struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
+ struct brcmf_cfg80211_security *sec;
+ struct brcmf_wsec_key key;
+ s32 val;
+ s32 err = 0;
+
+ brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
+
+ if (sme->key_len == 0)
+ return 0;
+
+ sec = &profile->sec;
+ brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
+ sec->wpa_versions, sec->cipher_pairwise);
+
+ if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
+ return 0;
+
+ if (!(sec->cipher_pairwise &
+ (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
+ return 0;
+
+ memset(&key, 0, sizeof(key));
+ key.len = (u32) sme->key_len;
+ key.index = (u32) sme->key_idx;
+ if (key.len > sizeof(key.data)) {
+ brcmf_err("Too long key length (%u)\n", key.len);
+ return -EINVAL;
+ }
+ memcpy(key.data, sme->key, key.len);
+ key.flags = BRCMF_PRIMARY_KEY;
+ switch (sec->cipher_pairwise) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ key.algo = CRYPTO_ALGO_WEP1;
+ break;
+ case WLAN_CIPHER_SUITE_WEP104:
+ key.algo = CRYPTO_ALGO_WEP128;
+ break;
+ default:
+ brcmf_err("Invalid algorithm (%d)\n",
+ sme->crypto.ciphers_pairwise[0]);
+ return -EINVAL;
+ }
+ /* Set the new key/index */
+ brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
+ key.len, key.index, key.algo);
+ brcmf_dbg(CONN, "key \"%s\"\n", key.data);
+ err = send_key_to_dongle(ndev, &key);
+ if (err)
+ return err;
+
+ if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
+ brcmf_dbg(CONN, "set auth_type to shared key\n");
+ val = WL_AUTH_SHARED_KEY; /* shared key */
+ err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
+ if (err)
+ brcmf_err("set auth failed (%d)\n", err);
+ }
+ return err;
+}
+
+static
+enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
+ enum nl80211_auth_type type)
+{
+ if (type == NL80211_AUTHTYPE_AUTOMATIC &&
+ brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
+ brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
+ type = NL80211_AUTHTYPE_OPEN_SYSTEM;
+ }
+ return type;
+}
+
+static s32
+brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
+ struct ieee80211_channel *chan = sme->channel;
+ struct brcmf_join_params join_params;
+ size_t join_params_size;
+ const struct brcmf_tlv *rsn_ie;
+ const struct brcmf_vs_tlv *wpa_ie;
+ const void *ie;
+ u32 ie_len;
+ struct brcmf_ext_join_params_le *ext_join_params;
+ u16 chanspec;
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ if (!sme->ssid) {
+ brcmf_err("Invalid ssid\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
+ /* A normal (non P2P) connection request setup. */
+ ie = NULL;
+ ie_len = 0;
+ /* find the WPA_IE */
+ wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
+ if (wpa_ie) {
+ ie = wpa_ie;
+ ie_len = wpa_ie->len + TLV_HDR_LEN;
+ } else {
+ /* find the RSN_IE */
+ rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
+ sme->ie_len,
+ WLAN_EID_RSN);
+ if (rsn_ie) {
+ ie = rsn_ie;
+ ie_len = rsn_ie->len + TLV_HDR_LEN;
+ }
+ }
+ brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
+ }
+
+ err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
+ sme->ie, sme->ie_len);
+ if (err)
+ brcmf_err("Set Assoc REQ IE Failed\n");
+ else
+ brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
+
+ set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
+
+ if (chan) {
+ cfg->channel =
+ ieee80211_frequency_to_channel(chan->center_freq);
+ chanspec = channel_to_chanspec(&cfg->d11inf, chan);
+ brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
+ cfg->channel, chan->center_freq, chanspec);
+ } else {
+ cfg->channel = 0;
+ chanspec = 0;
+ }
+
+ brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
+
+ err = brcmf_set_wpa_version(ndev, sme);
+ if (err) {
+ brcmf_err("wl_set_wpa_version failed (%d)\n", err);
+ goto done;
+ }
+
+ sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
+ err = brcmf_set_auth_type(ndev, sme);
+ if (err) {
+ brcmf_err("wl_set_auth_type failed (%d)\n", err);
+ goto done;
+ }
+
+ err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
+ if (err) {
+ brcmf_err("wl_set_set_cipher failed (%d)\n", err);
+ goto done;
+ }
+
+ err = brcmf_set_key_mgmt(ndev, sme);
+ if (err) {
+ brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
+ goto done;
+ }
+
+ err = brcmf_set_sharedkey(ndev, sme);
+ if (err) {
+ brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
+ goto done;
+ }
+
+ profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID),
+ (u32)sme->ssid_len);
+ memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len);
+ if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
+ profile->ssid.SSID[profile->ssid.SSID_len] = 0;
+ brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID,
+ profile->ssid.SSID_len);
+ }
+
+ /* Join with specific BSSID and cached SSID
+ * If SSID is zero join based on BSSID only
+ */
+ join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
+ offsetof(struct brcmf_assoc_params_le, chanspec_list);
+ if (cfg->channel)
+ join_params_size += sizeof(u16);
+ ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
+ if (ext_join_params == NULL) {
+ err = -ENOMEM;
+ goto done;
+ }
+ ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
+ memcpy(&ext_join_params->ssid_le.SSID, sme->ssid,
+ profile->ssid.SSID_len);
+
+ /* Set up join scan parameters */
+ ext_join_params->scan_le.scan_type = -1;
+ ext_join_params->scan_le.home_time = cpu_to_le32(-1);
+
+ if (sme->bssid)
+ memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
+ else
+ memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN);
+
+ if (cfg->channel) {
+ ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
+
+ ext_join_params->assoc_le.chanspec_list[0] =
+ cpu_to_le16(chanspec);
+ /* Increase dwell time to receive probe response or detect
+ * beacon from target AP at a noisy air only during connect
+ * command.
+ */
+ ext_join_params->scan_le.active_time =
+ cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
+ ext_join_params->scan_le.passive_time =
+ cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
+ /* To sync with presence period of VSDB GO send probe request
+ * more frequently. Probe request will be stopped when it gets
+ * probe response from target AP/GO.
+ */
+ ext_join_params->scan_le.nprobes =
+ cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
+ BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
+ } else {
+ ext_join_params->scan_le.active_time = cpu_to_le32(-1);
+ ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
+ ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
+ }
+
+ err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
+ join_params_size);
+ kfree(ext_join_params);
+ if (!err)
+ /* This is it. join command worked, we are done */
+ goto done;
+
+ /* join command failed, fallback to set ssid */
+ memset(&join_params, 0, sizeof(join_params));
+ join_params_size = sizeof(join_params.ssid_le);
+
+ memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len);
+ join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
+
+ if (sme->bssid)
+ memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
+ else
+ memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
+
+ if (cfg->channel) {
+ join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
+ join_params.params_le.chanspec_num = cpu_to_le32(1);
+ join_params_size += sizeof(join_params.params_le);
+ }
+ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
+ &join_params, join_params_size);
+ if (err)
+ brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
+
+done:
+ if (err)
+ clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
+ u16 reason_code)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
+ struct brcmf_scb_val_le scbval;
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
+ cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL);
+
+ memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
+ scbval.val = cpu_to_le32(reason_code);
+ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
+ &scbval, sizeof(scbval));
+ if (err)
+ brcmf_err("error (%d)\n", err);
+
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
+ enum nl80211_tx_power_setting type, s32 mbm)
+{
+
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct net_device *ndev = cfg_to_ndev(cfg);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ u16 txpwrmw;
+ s32 err = 0;
+ s32 disable = 0;
+ s32 dbm = MBM_TO_DBM(mbm);
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ switch (type) {
+ case NL80211_TX_POWER_AUTOMATIC:
+ break;
+ case NL80211_TX_POWER_LIMITED:
+ case NL80211_TX_POWER_FIXED:
+ if (dbm < 0) {
+ brcmf_err("TX_POWER_FIXED - dbm is negative\n");
+ err = -EINVAL;
+ goto done;
+ }
+ break;
+ }
+ /* Make sure radio is off or on as far as software is concerned */
+ disable = WL_RADIO_SW_DISABLE << 16;
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
+ if (err)
+ brcmf_err("WLC_SET_RADIO error (%d)\n", err);
+
+ if (dbm > 0xffff)
+ txpwrmw = 0xffff;
+ else
+ txpwrmw = (u16) dbm;
+ err = brcmf_fil_iovar_int_set(ifp, "qtxpower",
+ (s32)brcmf_mw_to_qdbm(txpwrmw));
+ if (err)
+ brcmf_err("qtxpower error (%d)\n", err);
+ cfg->conf->tx_power = dbm;
+
+done:
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ s32 *dbm)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
+ s32 txpwrdbm;
+ u8 result;
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm);
+ if (err) {
+ brcmf_err("error (%d)\n", err);
+ goto done;
+ }
+
+ result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
+ *dbm = (s32) brcmf_qdbm_to_mw(result);
+
+done:
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_idx, bool unicast, bool multicast)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ u32 index;
+ u32 wsec;
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ brcmf_dbg(CONN, "key index (%d)\n", key_idx);
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
+ if (err) {
+ brcmf_err("WLC_GET_WSEC error (%d)\n", err);
+ goto done;
+ }
+
+ if (wsec & WEP_ENABLED) {
+ /* Just select a new current key */
+ index = key_idx;
+ err = brcmf_fil_cmd_int_set(ifp,
+ BRCMF_C_SET_KEY_PRIMARY, index);
+ if (err)
+ brcmf_err("error (%d)\n", err);
+ }
+done:
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_idx, const u8 *mac_addr, struct key_params *params)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_wsec_key key;
+ s32 err = 0;
+ u8 keybuf[8];
+
+ memset(&key, 0, sizeof(key));
+ key.index = (u32) key_idx;
+ /* Instead of bcast for ea address for default wep keys,
+ driver needs it to be Null */
+ if (!is_multicast_ether_addr(mac_addr))
+ memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
+ key.len = (u32) params->key_len;
+ /* check for key index change */
+ if (key.len == 0) {
+ /* key delete */
+ err = send_key_to_dongle(ndev, &key);
+ if (err)
+ brcmf_err("key delete error (%d)\n", err);
+ } else {
+ if (key.len > sizeof(key.data)) {
+ brcmf_err("Invalid key length (%d)\n", key.len);
+ return -EINVAL;
+ }
+
+ brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
+ memcpy(key.data, params->key, key.len);
+
+ if (!brcmf_is_apmode(ifp->vif) &&
+ (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
+ brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
+ memcpy(keybuf, &key.data[24], sizeof(keybuf));
+ memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
+ memcpy(&key.data[16], keybuf, sizeof(keybuf));
+ }
+
+ /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
+ if (params->seq && params->seq_len == 6) {
+ /* rx iv */
+ u8 *ivptr;
+ ivptr = (u8 *) params->seq;
+ key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
+ (ivptr[3] << 8) | ivptr[2];
+ key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
+ key.iv_initialized = true;
+ }
+
+ switch (params->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ key.algo = CRYPTO_ALGO_WEP1;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
+ break;
+ case WLAN_CIPHER_SUITE_WEP104:
+ key.algo = CRYPTO_ALGO_WEP128;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ key.algo = CRYPTO_ALGO_TKIP;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ key.algo = CRYPTO_ALGO_AES_CCM;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ key.algo = CRYPTO_ALGO_AES_CCM;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
+ break;
+ default:
+ brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
+ return -EINVAL;
+ }
+ err = send_key_to_dongle(ndev, &key);
+ if (err)
+ brcmf_err("wsec_key error (%d)\n", err);
+ }
+ return err;
+}
+
+static s32
+brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_idx, bool pairwise, const u8 *mac_addr,
+ struct key_params *params)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_wsec_key key;
+ s32 val;
+ s32 wsec;
+ s32 err = 0;
+ u8 keybuf[8];
+
+ brcmf_dbg(TRACE, "Enter\n");
+ brcmf_dbg(CONN, "key index (%d)\n", key_idx);
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ if (mac_addr &&
+ (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
+ (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
+ brcmf_dbg(TRACE, "Exit");
+ return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
+ }
+ memset(&key, 0, sizeof(key));
+
+ key.len = (u32) params->key_len;
+ key.index = (u32) key_idx;
+
+ if (key.len > sizeof(key.data)) {
+ brcmf_err("Too long key length (%u)\n", key.len);
+ err = -EINVAL;
+ goto done;
+ }
+ memcpy(key.data, params->key, key.len);
+
+ key.flags = BRCMF_PRIMARY_KEY;
+ switch (params->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ key.algo = CRYPTO_ALGO_WEP1;
+ val = WEP_ENABLED;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
+ break;
+ case WLAN_CIPHER_SUITE_WEP104:
+ key.algo = CRYPTO_ALGO_WEP128;
+ val = WEP_ENABLED;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ if (!brcmf_is_apmode(ifp->vif)) {
+ brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
+ memcpy(keybuf, &key.data[24], sizeof(keybuf));
+ memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
+ memcpy(&key.data[16], keybuf, sizeof(keybuf));
+ }
+ key.algo = CRYPTO_ALGO_TKIP;
+ val = TKIP_ENABLED;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ key.algo = CRYPTO_ALGO_AES_CCM;
+ val = AES_ENABLED;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ key.algo = CRYPTO_ALGO_AES_CCM;
+ val = AES_ENABLED;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
+ break;
+ default:
+ brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
+ err = -EINVAL;
+ goto done;
+ }
+
+ err = send_key_to_dongle(ndev, &key);
+ if (err)
+ goto done;
+
+ err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
+ if (err) {
+ brcmf_err("get wsec error (%d)\n", err);
+ goto done;
+ }
+ wsec |= val;
+ err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
+ if (err) {
+ brcmf_err("set wsec error (%d)\n", err);
+ goto done;
+ }
+
+done:
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_idx, bool pairwise, const u8 *mac_addr)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_wsec_key key;
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ if (key_idx >= DOT11_MAX_DEFAULT_KEYS) {
+ /* we ignore this key index in this case */
+ brcmf_err("invalid key index (%d)\n", key_idx);
+ return -EINVAL;
+ }
+
+ memset(&key, 0, sizeof(key));
+
+ key.index = (u32) key_idx;
+ key.flags = BRCMF_PRIMARY_KEY;
+ key.algo = CRYPTO_ALGO_OFF;
+
+ brcmf_dbg(CONN, "key index (%d)\n", key_idx);
+
+ /* Set the new key/index */
+ err = send_key_to_dongle(ndev, &key);
+
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
+ void (*callback) (void *cookie, struct key_params * params))
+{
+ struct key_params params;
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
+ struct brcmf_cfg80211_security *sec;
+ s32 wsec;
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ brcmf_dbg(CONN, "key index (%d)\n", key_idx);
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ memset(¶ms, 0, sizeof(params));
+
+ err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
+ if (err) {
+ brcmf_err("WLC_GET_WSEC error (%d)\n", err);
+ /* Ignore this error, may happen during DISASSOC */
+ err = -EAGAIN;
+ goto done;
+ }
+ if (wsec & WEP_ENABLED) {
+ sec = &profile->sec;
+ if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
+ params.cipher = WLAN_CIPHER_SUITE_WEP40;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
+ } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
+ params.cipher = WLAN_CIPHER_SUITE_WEP104;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
+ }
+ } else if (wsec & TKIP_ENABLED) {
+ params.cipher = WLAN_CIPHER_SUITE_TKIP;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
+ } else if (wsec & AES_ENABLED) {
+ params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
+ brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
+ } else {
+ brcmf_err("Invalid algo (0x%x)\n", wsec);
+ err = -EINVAL;
+ goto done;
+ }
+ callback(cookie, ¶ms);
+
+done:
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
+ struct net_device *ndev, u8 key_idx)
+{
+ brcmf_dbg(INFO, "Not supported\n");
+
+ return -EOPNOTSUPP;
+}
+
+static s32
+brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
+ const u8 *mac, struct station_info *sinfo)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
+ struct brcmf_scb_val_le scb_val;
+ int rssi;
+ s32 rate;
+ s32 err = 0;
+ u8 *bssid = profile->bssid;
+ struct brcmf_sta_info_le sta_info_le;
+ u32 beacon_period;
+ u32 dtim_period;
+
+ brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ if (brcmf_is_apmode(ifp->vif)) {
+ memcpy(&sta_info_le, mac, ETH_ALEN);
+ err = brcmf_fil_iovar_data_get(ifp, "sta_info",
+ &sta_info_le,
+ sizeof(sta_info_le));
+ if (err < 0) {
+ brcmf_err("GET STA INFO failed, %d\n", err);
+ goto done;
+ }
+ sinfo->filled = STATION_INFO_INACTIVE_TIME;
+ sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
+ if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
+ sinfo->filled |= STATION_INFO_CONNECTED_TIME;
+ sinfo->connected_time = le32_to_cpu(sta_info_le.in);
+ }
+ brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n",
+ sinfo->inactive_time, sinfo->connected_time);
+ } else if (ifp->vif->wdev.iftype == NL80211_IFTYPE_STATION) {
+ if (memcmp(mac, bssid, ETH_ALEN)) {
+ brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n",
+ mac, bssid);
+ err = -ENOENT;
+ goto done;
+ }
+ /* Report the current tx rate */
+ err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
+ if (err) {
+ brcmf_err("Could not get rate (%d)\n", err);
+ goto done;
+ } else {
+ sinfo->filled |= STATION_INFO_TX_BITRATE;
+ sinfo->txrate.legacy = rate * 5;
+ brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2);
+ }
+
+ if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
+ &ifp->vif->sme_state)) {
+ memset(&scb_val, 0, sizeof(scb_val));
+ err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
+ &scb_val, sizeof(scb_val));
+ if (err) {
+ brcmf_err("Could not get rssi (%d)\n", err);
+ goto done;
+ } else {
+ rssi = le32_to_cpu(scb_val.val);
+ sinfo->filled |= STATION_INFO_SIGNAL;
+ sinfo->signal = rssi;
+ brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
+ }
+ err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD,
+ &beacon_period);
+ if (err) {
+ brcmf_err("Could not get beacon period (%d)\n",
+ err);
+ goto done;
+ } else {
+ sinfo->bss_param.beacon_interval =
+ beacon_period;
+ brcmf_dbg(CONN, "Beacon peroid %d\n",
+ beacon_period);
+ }
+ err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD,
+ &dtim_period);
+ if (err) {
+ brcmf_err("Could not get DTIM period (%d)\n",
+ err);
+ goto done;
+ } else {
+ sinfo->bss_param.dtim_period = dtim_period;
+ brcmf_dbg(CONN, "DTIM peroid %d\n",
+ dtim_period);
+ }
+ sinfo->filled |= STATION_INFO_BSS_PARAM;
+ }
+ } else
+ err = -EPERM;
+done:
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
+ bool enabled, s32 timeout)
+{
+ s32 pm;
+ s32 err = 0;
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /*
+ * Powersave enable/disable request is coming from the
+ * cfg80211 even before the interface is up. In that
+ * scenario, driver will be storing the power save
+ * preference in cfg struct to apply this to
+ * FW later while initializing the dongle
+ */
+ cfg->pwr_save = enabled;
+ if (!check_vif_up(ifp->vif)) {
+
+ brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
+ goto done;
+ }
+
+ pm = enabled ? PM_FAST : PM_OFF;
+ /* Do not enable the power save after assoc if it is a p2p interface */
+ if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
+ brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
+ pm = PM_OFF;
+ }
+ brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
+
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
+ if (err) {
+ if (err == -ENODEV)
+ brcmf_err("net_device is not ready yet\n");
+ else
+ brcmf_err("error (%d)\n", err);
+ }
+done:
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_bss_info_le *bi)
+{
+ struct wiphy *wiphy = cfg_to_wiphy(cfg);
+ struct ieee80211_channel *notify_channel;
+ struct cfg80211_bss *bss;
+ struct ieee80211_supported_band *band;
+ struct brcmu_chan ch;
+ u16 channel;
+ u32 freq;
+ u16 notify_capability;
+ u16 notify_interval;
+ u8 *notify_ie;
+ size_t notify_ielen;
+ s32 notify_signal;
+
+ if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
+ brcmf_err("Bss info is larger than buffer. Discarding\n");
+ return 0;
+ }
+
+ if (!bi->ctl_ch) {
+ ch.chspec = le16_to_cpu(bi->chanspec);
+ cfg->d11inf.decchspec(&ch);
+ bi->ctl_ch = ch.chnum;
+ }
+ channel = bi->ctl_ch;
+
+ if (channel <= CH_MAX_2G_CHANNEL)
+ band = wiphy->bands[IEEE80211_BAND_2GHZ];
+ else
+ band = wiphy->bands[IEEE80211_BAND_5GHZ];
+
+ freq = ieee80211_channel_to_frequency(channel, band->band);
+ notify_channel = ieee80211_get_channel(wiphy, freq);
+
+ notify_capability = le16_to_cpu(bi->capability);
+ notify_interval = le16_to_cpu(bi->beacon_period);
+ notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
+ notify_ielen = le32_to_cpu(bi->ie_length);
+ notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
+
+ brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
+ brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
+ brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
+ brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
+ brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
+
+ bss = cfg80211_inform_bss(wiphy, notify_channel,
+ CFG80211_BSS_FTYPE_UNKNOWN,
+ (const u8 *)bi->BSSID,
+ 0, notify_capability,
+ notify_interval, notify_ie,
+ notify_ielen, notify_signal,
+ GFP_KERNEL);
+
+ if (!bss)
+ return -ENOMEM;
+
+ cfg80211_put_bss(wiphy, bss);
+
+ return 0;
+}
+
+static struct brcmf_bss_info_le *
+next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
+{
+ if (bss == NULL)
+ return list->bss_info_le;
+ return (struct brcmf_bss_info_le *)((unsigned long)bss +
+ le32_to_cpu(bss->length));
+}
+
+static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
+{
+ struct brcmf_scan_results *bss_list;
+ struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
+ s32 err = 0;
+ int i;
+
+ bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
+ if (bss_list->count != 0 &&
+ bss_list->version != BRCMF_BSS_INFO_VERSION) {
+ brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
+ bss_list->version);
+ return -EOPNOTSUPP;
+ }
+ brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
+ for (i = 0; i < bss_list->count; i++) {
+ bi = next_bss_le(bss_list, bi);
+ err = brcmf_inform_single_bss(cfg, bi);
+ if (err)
+ break;
+ }
+ return err;
+}
+
+static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
+ struct net_device *ndev, const u8 *bssid)
+{
+ struct wiphy *wiphy = cfg_to_wiphy(cfg);
+ struct ieee80211_channel *notify_channel;
+ struct brcmf_bss_info_le *bi = NULL;
+ struct ieee80211_supported_band *band;
+ struct cfg80211_bss *bss;
+ struct brcmu_chan ch;
+ u8 *buf = NULL;
+ s32 err = 0;
+ u32 freq;
+ u16 notify_capability;
+ u16 notify_interval;
+ u8 *notify_ie;
+ size_t notify_ielen;
+ s32 notify_signal;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
+ if (buf == NULL) {
+ err = -ENOMEM;
+ goto CleanUp;
+ }
+
+ *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
+
+ err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
+ buf, WL_BSS_INFO_MAX);
+ if (err) {
+ brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
+ goto CleanUp;
+ }
+
+ bi = (struct brcmf_bss_info_le *)(buf + 4);
+
+ ch.chspec = le16_to_cpu(bi->chanspec);
+ cfg->d11inf.decchspec(&ch);
+
+ if (ch.band == BRCMU_CHAN_BAND_2G)
+ band = wiphy->bands[IEEE80211_BAND_2GHZ];
+ else
+ band = wiphy->bands[IEEE80211_BAND_5GHZ];
+
+ freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
+ notify_channel = ieee80211_get_channel(wiphy, freq);
+
+ notify_capability = le16_to_cpu(bi->capability);
+ notify_interval = le16_to_cpu(bi->beacon_period);
+ notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
+ notify_ielen = le32_to_cpu(bi->ie_length);
+ notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
+
+ brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
+ brcmf_dbg(CONN, "capability: %X\n", notify_capability);
+ brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
+ brcmf_dbg(CONN, "signal: %d\n", notify_signal);
+
+ bss = cfg80211_inform_bss(wiphy, notify_channel,
+ CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
+ notify_capability, notify_interval,
+ notify_ie, notify_ielen, notify_signal,
+ GFP_KERNEL);
+
+ if (!bss) {
+ err = -ENOMEM;
+ goto CleanUp;
+ }
+
+ cfg80211_put_bss(wiphy, bss);
+
+CleanUp:
+
+ kfree(buf);
+
+ brcmf_dbg(TRACE, "Exit\n");
+
+ return err;
+}
+
+static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_if *ifp)
+{
+ struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev);
+ struct brcmf_bss_info_le *bi;
+ struct brcmf_ssid *ssid;
+ const struct brcmf_tlv *tim;
+ u16 beacon_interval;
+ u8 dtim_period;
+ size_t ie_len;
+ u8 *ie;
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (brcmf_is_ibssmode(ifp->vif))
+ return err;
+
+ ssid = &profile->ssid;
+
+ *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
+ err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
+ cfg->extra_buf, WL_EXTRA_BUF_MAX);
+ if (err) {
+ brcmf_err("Could not get bss info %d\n", err);
+ goto update_bss_info_out;
+ }
+
+ bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
+ err = brcmf_inform_single_bss(cfg, bi);
+ if (err)
+ goto update_bss_info_out;
+
+ ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
+ ie_len = le32_to_cpu(bi->ie_length);
+ beacon_interval = le16_to_cpu(bi->beacon_period);
+
+ tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
+ if (tim)
+ dtim_period = tim->data[1];
+ else {
+ /*
+ * active scan was done so we could not get dtim
+ * information out of probe response.
+ * so we speficially query dtim information to dongle.
+ */
+ u32 var;
+ err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
+ if (err) {
+ brcmf_err("wl dtim_assoc failed (%d)\n", err);
+ goto update_bss_info_out;
+ }
+ dtim_period = (u8)var;
+ }
+
+update_bss_info_out:
+ brcmf_dbg(TRACE, "Exit");
+ return err;
+}
+
+void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
+{
+ struct escan_info *escan = &cfg->escan_info;
+
+ set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
+ if (cfg->scan_request) {
+ escan->escan_state = WL_ESCAN_STATE_IDLE;
+ brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
+ }
+ clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
+ clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
+}
+
+static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
+{
+ struct brcmf_cfg80211_info *cfg =
+ container_of(work, struct brcmf_cfg80211_info,
+ escan_timeout_work);
+
+ brcmf_inform_bss(cfg);
+ brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
+}
+
+static void brcmf_escan_timeout(unsigned long data)
+{
+ struct brcmf_cfg80211_info *cfg =
+ (struct brcmf_cfg80211_info *)data;
+
+ if (cfg->scan_request) {
+ brcmf_err("timer expired\n");
+ schedule_work(&cfg->escan_timeout_work);
+ }
+}
+
+static s32
+brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_bss_info_le *bss,
+ struct brcmf_bss_info_le *bss_info_le)
+{
+ struct brcmu_chan ch_bss, ch_bss_info_le;
+
+ ch_bss.chspec = le16_to_cpu(bss->chanspec);
+ cfg->d11inf.decchspec(&ch_bss);
+ ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
+ cfg->d11inf.decchspec(&ch_bss_info_le);
+
+ if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
+ ch_bss.band == ch_bss_info_le.band &&
+ bss_info_le->SSID_len == bss->SSID_len &&
+ !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
+ if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
+ (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
+ s16 bss_rssi = le16_to_cpu(bss->RSSI);
+ s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
+
+ /* preserve max RSSI if the measurements are
+ * both on-channel or both off-channel
+ */
+ if (bss_info_rssi > bss_rssi)
+ bss->RSSI = bss_info_le->RSSI;
+ } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
+ (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
+ /* preserve the on-channel rssi measurement
+ * if the new measurement is off channel
+ */
+ bss->RSSI = bss_info_le->RSSI;
+ bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
+ }
+ return 1;
+ }
+ return 0;
+}
+
+static s32
+brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
+ const struct brcmf_event_msg *e, void *data)
+{
+ struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
+ s32 status;
+ struct brcmf_escan_result_le *escan_result_le;
+ struct brcmf_bss_info_le *bss_info_le;
+ struct brcmf_bss_info_le *bss = NULL;
+ u32 bi_length;
+ struct brcmf_scan_results *list;
+ u32 i;
+ bool aborted;
+
+ status = e->status;
+
+ if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
+ brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
+ return -EPERM;
+ }
+
+ if (status == BRCMF_E_STATUS_PARTIAL) {
+ brcmf_dbg(SCAN, "ESCAN Partial result\n");
+ escan_result_le = (struct brcmf_escan_result_le *) data;
+ if (!escan_result_le) {
+ brcmf_err("Invalid escan result (NULL pointer)\n");
+ goto exit;
+ }
+ if (le16_to_cpu(escan_result_le->bss_count) != 1) {
+ brcmf_err("Invalid bss_count %d: ignoring\n",
+ escan_result_le->bss_count);
+ goto exit;
+ }
+ bss_info_le = &escan_result_le->bss_info_le;
+
+ if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
+ goto exit;
+
+ if (!cfg->scan_request) {
+ brcmf_dbg(SCAN, "result without cfg80211 request\n");
+ goto exit;
+ }
+
+ bi_length = le32_to_cpu(bss_info_le->length);
+ if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
+ WL_ESCAN_RESULTS_FIXED_SIZE)) {
+ brcmf_err("Invalid bss_info length %d: ignoring\n",
+ bi_length);
+ goto exit;
+ }
+
+ if (!(cfg_to_wiphy(cfg)->interface_modes &
+ BIT(NL80211_IFTYPE_ADHOC))) {
+ if (le16_to_cpu(bss_info_le->capability) &
+ WLAN_CAPABILITY_IBSS) {
+ brcmf_err("Ignoring IBSS result\n");
+ goto exit;
+ }
+ }
+
+ list = (struct brcmf_scan_results *)
+ cfg->escan_info.escan_buf;
+ if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
+ brcmf_err("Buffer is too small: ignoring\n");
+ goto exit;
+ }
+
+ for (i = 0; i < list->count; i++) {
+ bss = bss ? (struct brcmf_bss_info_le *)
+ ((unsigned char *)bss +
+ le32_to_cpu(bss->length)) : list->bss_info_le;
+ if (brcmf_compare_update_same_bss(cfg, bss,
+ bss_info_le))
+ goto exit;
+ }
+ memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
+ bss_info_le, bi_length);
+ list->version = le32_to_cpu(bss_info_le->version);
+ list->buflen += bi_length;
+ list->count++;
+ } else {
+ cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
+ if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
+ goto exit;
+ if (cfg->scan_request) {
+ brcmf_inform_bss(cfg);
+ aborted = status != BRCMF_E_STATUS_SUCCESS;
+ brcmf_notify_escan_complete(cfg, ifp, aborted, false);
+ } else
+ brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
+ status);
+ }
+exit:
+ return 0;
+}
+
+static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
+{
+ brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
+ brcmf_cfg80211_escan_handler);
+ cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
+ /* Init scan_timeout timer */
+ init_timer(&cfg->escan_timeout);
+ cfg->escan_timeout.data = (unsigned long) cfg;
+ cfg->escan_timeout.function = brcmf_escan_timeout;
+ INIT_WORK(&cfg->escan_timeout_work,
+ brcmf_cfg80211_escan_timeout_worker);
+}
+
+static __always_inline void brcmf_delay(u32 ms)
+{
+ if (ms < 1000 / HZ) {
+ cond_resched();
+ mdelay(ms);
+ } else {
+ msleep(ms);
+ }
+}
+
+static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
+ u8 *pattern, u32 patternsize, u8 *mask,
+ u32 packet_offset)
+{
+ struct brcmf_fil_wowl_pattern_le *filter;
+ u32 masksize;
+ u32 patternoffset;
+ u8 *buf;
+ u32 bufsize;
+ s32 ret;
+
+ masksize = (patternsize + 7) / 8;
+ patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
+
+ bufsize = sizeof(*filter) + patternsize + masksize;
+ buf = kzalloc(bufsize, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ filter = (struct brcmf_fil_wowl_pattern_le *)buf;
+
+ memcpy(filter->cmd, cmd, 4);
+ filter->masksize = cpu_to_le32(masksize);
+ filter->offset = cpu_to_le32(packet_offset);
+ filter->patternoffset = cpu_to_le32(patternoffset);
+ filter->patternsize = cpu_to_le32(patternsize);
+ filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
+
+ if ((mask) && (masksize))
+ memcpy(buf + sizeof(*filter), mask, masksize);
+ if ((pattern) && (patternsize))
+ memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
+
+ ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
+
+ kfree(buf);
+ return ret;
+}
+
+static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct net_device *ndev = cfg_to_ndev(cfg);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (cfg->wowl_enabled) {
+ brcmf_configure_arp_offload(ifp, true);
+ brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
+ cfg->pre_wowl_pmmode);
+ brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
+ brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
+ cfg->wowl_enabled = false;
+ }
+ return 0;
+}
+
+static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_if *ifp,
+ struct cfg80211_wowlan *wowl)
+{
+ u32 wowl_config;
+ u32 i;
+
+ brcmf_dbg(TRACE, "Suspend, wowl config.\n");
+
+ brcmf_configure_arp_offload(ifp, false);
+ brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode);
+ brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
+
+ wowl_config = 0;
+ if (wowl->disconnect)
+ wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
+ if (wowl->magic_pkt)
+ wowl_config |= BRCMF_WOWL_MAGIC;
+ if ((wowl->patterns) && (wowl->n_patterns)) {
+ wowl_config |= BRCMF_WOWL_NET;
+ for (i = 0; i < wowl->n_patterns; i++) {
+ brcmf_config_wowl_pattern(ifp, "add",
+ (u8 *)wowl->patterns[i].pattern,
+ wowl->patterns[i].pattern_len,
+ (u8 *)wowl->patterns[i].mask,
+ wowl->patterns[i].pkt_offset);
+ }
+ }
+ brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
+ brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
+ brcmf_bus_wowl_config(cfg->pub->bus_if, true);
+ cfg->wowl_enabled = true;
+}
+
+static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
+ struct cfg80211_wowlan *wowl)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct net_device *ndev = cfg_to_ndev(cfg);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_vif *vif;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* if the primary net_device is not READY there is nothing
+ * we can do but pray resume goes smoothly.
+ */
+ if (!check_vif_up(ifp->vif))
+ goto exit;
+
+ /* end any scanning */
+ if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
+ brcmf_abort_scanning(cfg);
+
+ if (wowl == NULL) {
+ brcmf_bus_wowl_config(cfg->pub->bus_if, false);
+ list_for_each_entry(vif, &cfg->vif_list, list) {
+ if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
+ continue;
+ /* While going to suspend if associated with AP
+ * disassociate from AP to save power while system is
+ * in suspended state
+ */
+ brcmf_link_down(vif);
+ /* Make sure WPA_Supplicant receives all the event
+ * generated due to DISASSOC call to the fw to keep
+ * the state fw and WPA_Supplicant state consistent
+ */
+ brcmf_delay(500);
+ }
+ /* Configure MPC */
+ brcmf_set_mpc(ifp, 1);
+
+ } else {
+ /* Configure WOWL paramaters */
+ brcmf_configure_wowl(cfg, ifp, wowl);
+ }
+
+exit:
+ brcmf_dbg(TRACE, "Exit\n");
+ /* clear any scanning activity */
+ cfg->scan_status = 0;
+ return 0;
+}
+
+static __used s32
+brcmf_update_pmklist(struct net_device *ndev,
+ struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
+{
+ int i, j;
+ int pmkid_len;
+
+ pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
+
+ brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
+ for (i = 0; i < pmkid_len; i++) {
+ brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
+ &pmk_list->pmkids.pmkid[i].BSSID);
+ for (j = 0; j < WLAN_PMKID_LEN; j++)
+ brcmf_dbg(CONN, "%02x\n",
+ pmk_list->pmkids.pmkid[i].PMKID[j]);
+ }
+
+ if (!err)
+ brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
+ (char *)pmk_list, sizeof(*pmk_list));
+
+ return err;
+}
+
+static s32
+brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_pmksa *pmksa)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
+ s32 err = 0;
+ int i;
+ int pmkid_len;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ pmkid_len = le32_to_cpu(pmkids->npmkid);
+ for (i = 0; i < pmkid_len; i++)
+ if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
+ break;
+ if (i < WL_NUM_PMKIDS_MAX) {
+ memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
+ memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
+ if (i == pmkid_len) {
+ pmkid_len++;
+ pmkids->npmkid = cpu_to_le32(pmkid_len);
+ }
+ } else
+ err = -EINVAL;
+
+ brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
+ pmkids->pmkid[pmkid_len].BSSID);
+ for (i = 0; i < WLAN_PMKID_LEN; i++)
+ brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
+
+ err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
+
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_pmksa *pmksa)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct pmkid_list pmkid;
+ s32 err = 0;
+ int i, pmkid_len;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
+ memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
+
+ brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
+ &pmkid.pmkid[0].BSSID);
+ for (i = 0; i < WLAN_PMKID_LEN; i++)
+ brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
+
+ pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
+ for (i = 0; i < pmkid_len; i++)
+ if (!memcmp
+ (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
+ ETH_ALEN))
+ break;
+
+ if ((pmkid_len > 0)
+ && (i < pmkid_len)) {
+ memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
+ sizeof(struct pmkid));
+ for (; i < (pmkid_len - 1); i++) {
+ memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
+ &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
+ ETH_ALEN);
+ memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
+ &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
+ WLAN_PMKID_LEN);
+ }
+ cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
+ } else
+ err = -EINVAL;
+
+ err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
+
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+
+}
+
+static s32
+brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ s32 err = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
+ err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
+
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+
+}
+
+/*
+ * PFN result doesn't have all the info which are
+ * required by the supplicant
+ * (For e.g IEs) Do a target Escan so that sched scan results are reported
+ * via wl_inform_single_bss in the required format. Escan does require the
+ * scan request in the form of cfg80211_scan_request. For timebeing, create
+ * cfg80211_scan_request one out of the received PNO event.
+ */
+static s32
+brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
+ const struct brcmf_event_msg *e, void *data)
+{
+ struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
+ struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
+ struct cfg80211_scan_request *request = NULL;
+ struct cfg80211_ssid *ssid = NULL;
+ struct ieee80211_channel *channel = NULL;
+ struct wiphy *wiphy = cfg_to_wiphy(cfg);
+ int err = 0;
+ int channel_req = 0;
+ int band = 0;
+ struct brcmf_pno_scanresults_le *pfn_result;
+ u32 result_count;
+ u32 status;
+
+ brcmf_dbg(SCAN, "Enter\n");
+
+ if (e->event_code == BRCMF_E_PFN_NET_LOST) {
+ brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
+ return 0;
+ }
+
+ pfn_result = (struct brcmf_pno_scanresults_le *)data;
+ result_count = le32_to_cpu(pfn_result->count);
+ status = le32_to_cpu(pfn_result->status);
+
+ /*
+ * PFN event is limited to fit 512 bytes so we may get
+ * multiple NET_FOUND events. For now place a warning here.
+ */
+ WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
+ brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
+ if (result_count > 0) {
+ int i;
+
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
+ channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
+ if (!request || !ssid || !channel) {
+ err = -ENOMEM;
+ goto out_err;
+ }
+
+ request->wiphy = wiphy;
+ data += sizeof(struct brcmf_pno_scanresults_le);
+ netinfo_start = (struct brcmf_pno_net_info_le *)data;
+
+ for (i = 0; i < result_count; i++) {
+ netinfo = &netinfo_start[i];
+ if (!netinfo) {
+ brcmf_err("Invalid netinfo ptr. index: %d\n",
+ i);
+ err = -EINVAL;
+ goto out_err;
+ }
+
+ brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
+ netinfo->SSID, netinfo->channel);
+ memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
+ ssid[i].ssid_len = netinfo->SSID_len;
+ request->n_ssids++;
+
+ channel_req = netinfo->channel;
+ if (channel_req <= CH_MAX_2G_CHANNEL)
+ band = NL80211_BAND_2GHZ;
+ else
+ band = NL80211_BAND_5GHZ;
+ channel[i].center_freq =
+ ieee80211_channel_to_frequency(channel_req,
+ band);
+ channel[i].band = band;
+ channel[i].flags |= IEEE80211_CHAN_NO_HT40;
+ request->channels[i] = &channel[i];
+ request->n_channels++;
+ }
+
+ /* assign parsed ssid array */
+ if (request->n_ssids)
+ request->ssids = &ssid[0];
+
+ if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
+ /* Abort any on-going scan */
+ brcmf_abort_scanning(cfg);
+ }
+
+ set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
+ cfg->escan_info.run = brcmf_run_escan;
+ err = brcmf_do_escan(cfg, wiphy, ifp, request);
+ if (err) {
+ clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
+ goto out_err;
+ }
+ cfg->sched_escan = true;
+ cfg->scan_request = request;
+ } else {
+ brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
+ goto out_err;
+ }
+
+ kfree(ssid);
+ kfree(channel);
+ kfree(request);
+ return 0;
+
+out_err:
+ kfree(ssid);
+ kfree(channel);
+ kfree(request);
+ cfg80211_sched_scan_stopped(wiphy);
+ return err;
+}
+
+static int brcmf_dev_pno_clean(struct net_device *ndev)
+{
+ int ret;
+
+ /* Disable pfn */
+ ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
+ if (ret == 0) {
+ /* clear pfn */
+ ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
+ NULL, 0);
+ }
+ if (ret < 0)
+ brcmf_err("failed code %d\n", ret);
+
+ return ret;
+}
+
+static int brcmf_dev_pno_config(struct net_device *ndev)
+{
+ struct brcmf_pno_param_le pfn_param;
+
+ memset(&pfn_param, 0, sizeof(pfn_param));
+ pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
+
+ /* set extra pno params */
+ pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
+ pfn_param.repeat = BRCMF_PNO_REPEAT;
+ pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
+
+ /* set up pno scan fr */
+ pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
+
+ return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
+ &pfn_param, sizeof(pfn_param));
+}
+
+static int
+brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
+ struct net_device *ndev,
+ struct cfg80211_sched_scan_request *request)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
+ struct brcmf_pno_net_param_le pfn;
+ int i;
+ int ret = 0;
+
+ brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
+ request->n_match_sets, request->n_ssids);
+ if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
+ brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
+ return -EAGAIN;
+ }
+ if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
+ brcmf_err("Scanning suppressed: status (%lu)\n",
+ cfg->scan_status);
+ return -EAGAIN;
+ }
+
+ if (!request->n_ssids || !request->n_match_sets) {
+ brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
+ request->n_ssids);
+ return -EINVAL;
+ }
+
+ if (request->n_ssids > 0) {
+ for (i = 0; i < request->n_ssids; i++) {
+ /* Active scan req for ssids */
+ brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
+ request->ssids[i].ssid);
+
+ /*
+ * match_set ssids is a supert set of n_ssid list,
+ * so we need not add these set seperately.
+ */
+ }
+ }
+
+ if (request->n_match_sets > 0) {
+ /* clean up everything */
+ ret = brcmf_dev_pno_clean(ndev);
+ if (ret < 0) {
+ brcmf_err("failed error=%d\n", ret);
+ return ret;
+ }
+
+ /* configure pno */
+ ret = brcmf_dev_pno_config(ndev);
+ if (ret < 0) {
+ brcmf_err("PNO setup failed!! ret=%d\n", ret);
+ return -EINVAL;
+ }
+
+ /* configure each match set */
+ for (i = 0; i < request->n_match_sets; i++) {
+ struct cfg80211_ssid *ssid;
+ u32 ssid_len;
+
+ ssid = &request->match_sets[i].ssid;
+ ssid_len = ssid->ssid_len;
+
+ if (!ssid_len) {
+ brcmf_err("skip broadcast ssid\n");
+ continue;
+ }
+ pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
+ pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
+ pfn.wsec = cpu_to_le32(0);
+ pfn.infra = cpu_to_le32(1);
+ pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
+ pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
+ memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
+ ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
+ sizeof(pfn));
+ brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
+ ret == 0 ? "set" : "failed", ssid->ssid);
+ }
+ /* Enable the PNO */
+ if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
+ brcmf_err("PNO enable failed!! ret=%d\n", ret);
+ return -EINVAL;
+ }
+ } else {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
+ struct net_device *ndev)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+
+ brcmf_dbg(SCAN, "enter\n");
+ brcmf_dev_pno_clean(ndev);
+ if (cfg->sched_escan)
+ brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
+ return 0;
+}
+
+static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
+{
+ s32 err;
+
+ /* set auth */
+ err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
+ if (err < 0) {
+ brcmf_err("auth error %d\n", err);
+ return err;
+ }
+ /* set wsec */
+ err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
+ if (err < 0) {
+ brcmf_err("wsec error %d\n", err);
+ return err;
+ }
+ /* set upper-layer auth */
+ err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
+ if (err < 0) {
+ brcmf_err("wpa_auth error %d\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
+{
+ if (is_rsn_ie)
+ return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
+
+ return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
+}
+
+static s32
+brcmf_configure_wpaie(struct net_device *ndev,
+ const struct brcmf_vs_tlv *wpa_ie,
+ bool is_rsn_ie)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ u32 auth = 0; /* d11 open authentication */
+ u16 count;
+ s32 err = 0;
+ s32 len = 0;
+ u32 i;
+ u32 wsec;
+ u32 pval = 0;
+ u32 gval = 0;
+ u32 wpa_auth = 0;
+ u32 offset;
+ u8 *data;
+ u16 rsn_cap;
+ u32 wme_bss_disable;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ if (wpa_ie == NULL)
+ goto exit;
+
+ len = wpa_ie->len + TLV_HDR_LEN;
+ data = (u8 *)wpa_ie;
+ offset = TLV_HDR_LEN;
+ if (!is_rsn_ie)
+ offset += VS_IE_FIXED_HDR_LEN;
+ else
+ offset += WPA_IE_VERSION_LEN;
+
+ /* check for multicast cipher suite */
+ if (offset + WPA_IE_MIN_OUI_LEN > len) {
+ err = -EINVAL;
+ brcmf_err("no multicast cipher suite\n");
+ goto exit;
+ }
+
+ if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
+ err = -EINVAL;
+ brcmf_err("ivalid OUI\n");
+ goto exit;
+ }
+ offset += TLV_OUI_LEN;
+
+ /* pick up multicast cipher */
+ switch (data[offset]) {
+ case WPA_CIPHER_NONE:
+ gval = 0;
+ break;
+ case WPA_CIPHER_WEP_40:
+ case WPA_CIPHER_WEP_104:
+ gval = WEP_ENABLED;
+ break;
+ case WPA_CIPHER_TKIP:
+ gval = TKIP_ENABLED;
+ break;
+ case WPA_CIPHER_AES_CCM:
+ gval = AES_ENABLED;
+ break;
+ default:
+ err = -EINVAL;
+ brcmf_err("Invalid multi cast cipher info\n");
+ goto exit;
+ }
+
+ offset++;
+ /* walk thru unicast cipher list and pick up what we recognize */
+ count = data[offset] + (data[offset + 1] << 8);
+ offset += WPA_IE_SUITE_COUNT_LEN;
+ /* Check for unicast suite(s) */
+ if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
+ err = -EINVAL;
+ brcmf_err("no unicast cipher suite\n");
+ goto exit;
+ }
+ for (i = 0; i < count; i++) {
+ if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
+ err = -EINVAL;
+ brcmf_err("ivalid OUI\n");
+ goto exit;
+ }
+ offset += TLV_OUI_LEN;
+ switch (data[offset]) {
+ case WPA_CIPHER_NONE:
+ break;
+ case WPA_CIPHER_WEP_40:
+ case WPA_CIPHER_WEP_104:
+ pval |= WEP_ENABLED;
+ break;
+ case WPA_CIPHER_TKIP:
+ pval |= TKIP_ENABLED;
+ break;
+ case WPA_CIPHER_AES_CCM:
+ pval |= AES_ENABLED;
+ break;
+ default:
+ brcmf_err("Ivalid unicast security info\n");
+ }
+ offset++;
+ }
+ /* walk thru auth management suite list and pick up what we recognize */
+ count = data[offset] + (data[offset + 1] << 8);
+ offset += WPA_IE_SUITE_COUNT_LEN;
+ /* Check for auth key management suite(s) */
+ if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
+ err = -EINVAL;
+ brcmf_err("no auth key mgmt suite\n");
+ goto exit;
+ }
+ for (i = 0; i < count; i++) {
+ if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
+ err = -EINVAL;
+ brcmf_err("ivalid OUI\n");
+ goto exit;
+ }
+ offset += TLV_OUI_LEN;
+ switch (data[offset]) {
+ case RSN_AKM_NONE:
+ brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
+ wpa_auth |= WPA_AUTH_NONE;
+ break;
+ case RSN_AKM_UNSPECIFIED:
+ brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
+ is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
+ (wpa_auth |= WPA_AUTH_UNSPECIFIED);
+ break;
+ case RSN_AKM_PSK:
+ brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
+ is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
+ (wpa_auth |= WPA_AUTH_PSK);
+ break;
+ default:
+ brcmf_err("Ivalid key mgmt info\n");
+ }
+ offset++;
+ }
+
+ if (is_rsn_ie) {
+ wme_bss_disable = 1;
+ if ((offset + RSN_CAP_LEN) <= len) {
+ rsn_cap = data[offset] + (data[offset + 1] << 8);
+ if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
+ wme_bss_disable = 0;
+ }
+ /* set wme_bss_disable to sync RSN Capabilities */
+ err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
+ wme_bss_disable);
+ if (err < 0) {
+ brcmf_err("wme_bss_disable error %d\n", err);
+ goto exit;
+ }
+ }
+ /* FOR WPS , set SES_OW_ENABLED */
+ wsec = (pval | gval | SES_OW_ENABLED);
+
+ /* set auth */
+ err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
+ if (err < 0) {
+ brcmf_err("auth error %d\n", err);
+ goto exit;
+ }
+ /* set wsec */
+ err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
+ if (err < 0) {
+ brcmf_err("wsec error %d\n", err);
+ goto exit;
+ }
+ /* set upper-layer auth */
+ err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
+ if (err < 0) {
+ brcmf_err("wpa_auth error %d\n", err);
+ goto exit;
+ }
+
+exit:
+ return err;
+}
+
+static s32
+brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
+ struct parsed_vndr_ies *vndr_ies)
+{
+ struct brcmf_vs_tlv *vndrie;
+ struct brcmf_tlv *ie;
+ struct parsed_vndr_ie_info *parsed_info;
+ s32 remaining_len;
+
+ remaining_len = (s32)vndr_ie_len;
+ memset(vndr_ies, 0, sizeof(*vndr_ies));
+
+ ie = (struct brcmf_tlv *)vndr_ie_buf;
+ while (ie) {
+ if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
+ goto next;
+ vndrie = (struct brcmf_vs_tlv *)ie;
+ /* len should be bigger than OUI length + one */
+ if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
+ brcmf_err("invalid vndr ie. length is too small %d\n",
+ vndrie->len);
+ goto next;
+ }
+ /* if wpa or wme ie, do not add ie */
+ if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
+ ((vndrie->oui_type == WPA_OUI_TYPE) ||
+ (vndrie->oui_type == WME_OUI_TYPE))) {
+ brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
+ goto next;
+ }
+
+ parsed_info = &vndr_ies->ie_info[vndr_ies->count];
+
+ /* save vndr ie information */
+ parsed_info->ie_ptr = (char *)vndrie;
+ parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
+ memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
+
+ vndr_ies->count++;
+
+ brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
+ parsed_info->vndrie.oui[0],
+ parsed_info->vndrie.oui[1],
+ parsed_info->vndrie.oui[2],
+ parsed_info->vndrie.oui_type);
+
+ if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
+ break;
+next:
+ remaining_len -= (ie->len + TLV_HDR_LEN);
+ if (remaining_len <= TLV_HDR_LEN)
+ ie = NULL;
+ else
+ ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
+ TLV_HDR_LEN);
+ }
+ return 0;
+}
+
+static u32
+brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
+{
+
+ __le32 iecount_le;
+ __le32 pktflag_le;
+
+ strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
+ iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
+
+ iecount_le = cpu_to_le32(1);
+ memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le));
+
+ pktflag_le = cpu_to_le32(pktflag);
+ memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le));
+
+ memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
+
+ return ie_len + VNDR_IE_HDR_SIZE;
+}
+
+s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
+ const u8 *vndr_ie_buf, u32 vndr_ie_len)
+{
+ struct brcmf_if *ifp;
+ struct vif_saved_ie *saved_ie;
+ s32 err = 0;
+ u8 *iovar_ie_buf;
+ u8 *curr_ie_buf;
+ u8 *mgmt_ie_buf = NULL;
+ int mgmt_ie_buf_len;
+ u32 *mgmt_ie_len;
+ u32 del_add_ie_buf_len = 0;
+ u32 total_ie_buf_len = 0;
+ u32 parsed_ie_buf_len = 0;
+ struct parsed_vndr_ies old_vndr_ies;
+ struct parsed_vndr_ies new_vndr_ies;
+ struct parsed_vndr_ie_info *vndrie_info;
+ s32 i;
+ u8 *ptr;
+ int remained_buf_len;
+
+ if (!vif)
+ return -ENODEV;
+ ifp = vif->ifp;
+ saved_ie = &vif->saved_ie;
+
+ brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
+ iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
+ if (!iovar_ie_buf)
+ return -ENOMEM;
+ curr_ie_buf = iovar_ie_buf;
+ switch (pktflag) {
+ case BRCMF_VNDR_IE_PRBREQ_FLAG:
+ mgmt_ie_buf = saved_ie->probe_req_ie;
+ mgmt_ie_len = &saved_ie->probe_req_ie_len;
+ mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
+ break;
+ case BRCMF_VNDR_IE_PRBRSP_FLAG:
+ mgmt_ie_buf = saved_ie->probe_res_ie;
+ mgmt_ie_len = &saved_ie->probe_res_ie_len;
+ mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
+ break;
+ case BRCMF_VNDR_IE_BEACON_FLAG:
+ mgmt_ie_buf = saved_ie->beacon_ie;
+ mgmt_ie_len = &saved_ie->beacon_ie_len;
+ mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
+ break;
+ case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
+ mgmt_ie_buf = saved_ie->assoc_req_ie;
+ mgmt_ie_len = &saved_ie->assoc_req_ie_len;
+ mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
+ break;
+ default:
+ err = -EPERM;
+ brcmf_err("not suitable type\n");
+ goto exit;
+ }
+
+ if (vndr_ie_len > mgmt_ie_buf_len) {
+ err = -ENOMEM;
+ brcmf_err("extra IE size too big\n");
+ goto exit;
+ }
+
+ /* parse and save new vndr_ie in curr_ie_buff before comparing it */
+ if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
+ ptr = curr_ie_buf;
+ brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
+ for (i = 0; i < new_vndr_ies.count; i++) {
+ vndrie_info = &new_vndr_ies.ie_info[i];
+ memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
+ vndrie_info->ie_len);
+ parsed_ie_buf_len += vndrie_info->ie_len;
+ }
+ }
+
+ if (mgmt_ie_buf && *mgmt_ie_len) {
+ if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
+ (memcmp(mgmt_ie_buf, curr_ie_buf,
+ parsed_ie_buf_len) == 0)) {
+ brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
+ goto exit;
+ }
+
+ /* parse old vndr_ie */
+ brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
+
+ /* make a command to delete old ie */
+ for (i = 0; i < old_vndr_ies.count; i++) {
+ vndrie_info = &old_vndr_ies.ie_info[i];
+
+ brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
+ vndrie_info->vndrie.id,
+ vndrie_info->vndrie.len,
+ vndrie_info->vndrie.oui[0],
+ vndrie_info->vndrie.oui[1],
+ vndrie_info->vndrie.oui[2]);
+
+ del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
+ vndrie_info->ie_ptr,
+ vndrie_info->ie_len,
+ "del");
+ curr_ie_buf += del_add_ie_buf_len;
+ total_ie_buf_len += del_add_ie_buf_len;
+ }
+ }
+
+ *mgmt_ie_len = 0;
+ /* Add if there is any extra IE */
+ if (mgmt_ie_buf && parsed_ie_buf_len) {
+ ptr = mgmt_ie_buf;
+
+ remained_buf_len = mgmt_ie_buf_len;
+
+ /* make a command to add new ie */
+ for (i = 0; i < new_vndr_ies.count; i++) {
+ vndrie_info = &new_vndr_ies.ie_info[i];
+
+ /* verify remained buf size before copy data */
+ if (remained_buf_len < (vndrie_info->vndrie.len +
+ VNDR_IE_VSIE_OFFSET)) {
+ brcmf_err("no space in mgmt_ie_buf: len left %d",
+ remained_buf_len);
+ break;
+ }
+ remained_buf_len -= (vndrie_info->ie_len +
+ VNDR_IE_VSIE_OFFSET);
+
+ brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
+ vndrie_info->vndrie.id,
+ vndrie_info->vndrie.len,
+ vndrie_info->vndrie.oui[0],
+ vndrie_info->vndrie.oui[1],
+ vndrie_info->vndrie.oui[2]);
+
+ del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
+ vndrie_info->ie_ptr,
+ vndrie_info->ie_len,
+ "add");
+
+ /* save the parsed IE in wl struct */
+ memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
+ vndrie_info->ie_len);
+ *mgmt_ie_len += vndrie_info->ie_len;
+
+ curr_ie_buf += del_add_ie_buf_len;
+ total_ie_buf_len += del_add_ie_buf_len;
+ }
+ }
+ if (total_ie_buf_len) {
+ err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
+ total_ie_buf_len);
+ if (err)
+ brcmf_err("vndr ie set error : %d\n", err);
+ }
+
+exit:
+ kfree(iovar_ie_buf);
+ return err;
+}
+
+s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
+{
+ s32 pktflags[] = {
+ BRCMF_VNDR_IE_PRBREQ_FLAG,
+ BRCMF_VNDR_IE_PRBRSP_FLAG,
+ BRCMF_VNDR_IE_BEACON_FLAG
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pktflags); i++)
+ brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
+
+ memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
+ return 0;
+}
+
+static s32
+brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
+ struct cfg80211_beacon_data *beacon)
+{
+ s32 err;
+
+ /* Set Beacon IEs to FW */
+ err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
+ beacon->tail, beacon->tail_len);
+ if (err) {
+ brcmf_err("Set Beacon IE Failed\n");
+ return err;
+ }
+ brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
+
+ /* Set Probe Response IEs to FW */
+ err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
+ beacon->proberesp_ies,
+ beacon->proberesp_ies_len);
+ if (err)
+ brcmf_err("Set Probe Resp IE Failed\n");
+ else
+ brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
+
+ return err;
+}
+
+static s32
+brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_ap_settings *settings)
+{
+ s32 ie_offset;
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ const struct brcmf_tlv *ssid_ie;
+ struct brcmf_ssid_le ssid_le;
+ s32 err = -EPERM;
+ const struct brcmf_tlv *rsn_ie;
+ const struct brcmf_vs_tlv *wpa_ie;
+ struct brcmf_join_params join_params;
+ enum nl80211_iftype dev_role;
+ struct brcmf_fil_bss_enable_le bss_enable;
+ u16 chanspec;
+
+ brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
+ settings->chandef.chan->hw_value,
+ settings->chandef.center_freq1, settings->chandef.width,
+ settings->beacon_interval, settings->dtim_period);
+ brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
+ settings->ssid, settings->ssid_len, settings->auth_type,
+ settings->inactivity_timeout);
+
+ dev_role = ifp->vif->wdev.iftype;
+
+ memset(&ssid_le, 0, sizeof(ssid_le));
+ if (settings->ssid == NULL || settings->ssid_len == 0) {
+ ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
+ ssid_ie = brcmf_parse_tlvs(
+ (u8 *)&settings->beacon.head[ie_offset],
+ settings->beacon.head_len - ie_offset,
+ WLAN_EID_SSID);
+ if (!ssid_ie)
+ return -EINVAL;
+
+ memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
+ ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
+ brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
+ } else {
+ memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
+ ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
+ }
+
+ brcmf_set_mpc(ifp, 0);
+ brcmf_configure_arp_offload(ifp, false);
+
+ /* find the RSN_IE */
+ rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
+ settings->beacon.tail_len, WLAN_EID_RSN);
+
+ /* find the WPA_IE */
+ wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
+ settings->beacon.tail_len);
+
+ if ((wpa_ie != NULL || rsn_ie != NULL)) {
+ brcmf_dbg(TRACE, "WPA(2) IE is found\n");
+ if (wpa_ie != NULL) {
+ /* WPA IE */
+ err = brcmf_configure_wpaie(ndev, wpa_ie, false);
+ if (err < 0)
+ goto exit;
+ } else {
+ /* RSN IE */
+ err = brcmf_configure_wpaie(ndev,
+ (struct brcmf_vs_tlv *)rsn_ie, true);
+ if (err < 0)
+ goto exit;
+ }
+ } else {
+ brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
+ brcmf_configure_opensecurity(ifp);
+ }
+
+ brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
+
+ chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef);
+ err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
+ if (err < 0) {
+ brcmf_err("Set Channel failed: chspec=%d, %d\n", chanspec, err);
+ goto exit;
+ }
+
+ if (settings->beacon_interval) {
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
+ settings->beacon_interval);
+ if (err < 0) {
+ brcmf_err("Beacon Interval Set Error, %d\n", err);
+ goto exit;
+ }
+ }
+ if (settings->dtim_period) {
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
+ settings->dtim_period);
+ if (err < 0) {
+ brcmf_err("DTIM Interval Set Error, %d\n", err);
+ goto exit;
+ }
+ }
+
+ if (dev_role == NL80211_IFTYPE_AP) {
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
+ if (err < 0) {
+ brcmf_err("BRCMF_C_DOWN error %d\n", err);
+ goto exit;
+ }
+ brcmf_fil_iovar_int_set(ifp, "apsta", 0);
+ }
+
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
+ if (err < 0) {
+ brcmf_err("SET INFRA error %d\n", err);
+ goto exit;
+ }
+ if (dev_role == NL80211_IFTYPE_AP) {
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
+ if (err < 0) {
+ brcmf_err("setting AP mode failed %d\n", err);
+ goto exit;
+ }
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
+ if (err < 0) {
+ brcmf_err("BRCMF_C_UP error (%d)\n", err);
+ goto exit;
+ }
+
+ memset(&join_params, 0, sizeof(join_params));
+ /* join parameters starts with ssid */
+ memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
+ /* create softap */
+ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
+ &join_params, sizeof(join_params));
+ if (err < 0) {
+ brcmf_err("SET SSID error (%d)\n", err);
+ goto exit;
+ }
+ brcmf_dbg(TRACE, "AP mode configuration complete\n");
+ } else {
+ err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
+ sizeof(ssid_le));
+ if (err < 0) {
+ brcmf_err("setting ssid failed %d\n", err);
+ goto exit;
+ }
+ bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
+ bss_enable.enable = cpu_to_le32(1);
+ err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
+ sizeof(bss_enable));
+ if (err < 0) {
+ brcmf_err("bss_enable config failed %d\n", err);
+ goto exit;
+ }
+
+ brcmf_dbg(TRACE, "GO mode configuration complete\n");
+ }
+ clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
+ set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
+
+exit:
+ if (err) {
+ brcmf_set_mpc(ifp, 1);
+ brcmf_configure_arp_offload(ifp, true);
+ }
+ return err;
+}
+
+static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ s32 err;
+ struct brcmf_fil_bss_enable_le bss_enable;
+ struct brcmf_join_params join_params;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
+ /* Due to most likely deauths outstanding we sleep */
+ /* first to make sure they get processed by fw. */
+ msleep(400);
+
+ memset(&join_params, 0, sizeof(join_params));
+ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
+ &join_params, sizeof(join_params));
+ if (err < 0)
+ brcmf_err("SET SSID error (%d)\n", err);
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
+ if (err < 0)
+ brcmf_err("BRCMF_C_UP error %d\n", err);
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
+ if (err < 0)
+ brcmf_err("setting AP mode failed %d\n", err);
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
+ if (err < 0)
+ brcmf_err("setting INFRA mode failed %d\n", err);
+ } else {
+ bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
+ bss_enable.enable = cpu_to_le32(0);
+ err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
+ sizeof(bss_enable));
+ if (err < 0)
+ brcmf_err("bss_enable config failed %d\n", err);
+ }
+ brcmf_set_mpc(ifp, 1);
+ brcmf_configure_arp_offload(ifp, true);
+ set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
+ clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
+
+ return err;
+}
+
+static s32
+brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_beacon_data *info)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ s32 err;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
+
+ return err;
+}
+
+static int
+brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
+ const u8 *mac)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_scb_val_le scbval;
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ s32 err;
+
+ if (!mac)
+ return -EFAULT;
+
+ brcmf_dbg(TRACE, "Enter %pM\n", mac);
+
+ if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
+ ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
+ if (!check_vif_up(ifp->vif))
+ return -EIO;
+
+ memcpy(&scbval.ea, mac, ETH_ALEN);
+ scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING);
+ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
+ &scbval, sizeof(scbval));
+ if (err)
+ brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
+
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+
+static void
+brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ u16 frame_type, bool reg)
+{
+ struct brcmf_cfg80211_vif *vif;
+ u16 mgmt_type;
+
+ brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
+
+ mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
+ vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
+ if (reg)
+ vif->mgmt_rx_reg |= BIT(mgmt_type);
+ else
+ vif->mgmt_rx_reg &= ~BIT(mgmt_type);
+}
+
+
+static int
+brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
+ struct cfg80211_mgmt_tx_params *params, u64 *cookie)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct ieee80211_channel *chan = params->chan;
+ const u8 *buf = params->buf;
+ size_t len = params->len;
+ const struct ieee80211_mgmt *mgmt;
+ struct brcmf_cfg80211_vif *vif;
+ s32 err = 0;
+ s32 ie_offset;
+ s32 ie_len;
+ struct brcmf_fil_action_frame_le *action_frame;
+ struct brcmf_fil_af_params_le *af_params;
+ bool ack;
+ s32 chan_nr;
+ u32 freq;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ *cookie = 0;
+
+ mgmt = (const struct ieee80211_mgmt *)buf;
+
+ if (!ieee80211_is_mgmt(mgmt->frame_control)) {
+ brcmf_err("Driver only allows MGMT packet type\n");
+ return -EPERM;
+ }
+
+ vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
+
+ if (ieee80211_is_probe_resp(mgmt->frame_control)) {
+ /* Right now the only reason to get a probe response */
+ /* is for p2p listen response or for p2p GO from */
+ /* wpa_supplicant. Unfortunately the probe is send */
+ /* on primary ndev, while dongle wants it on the p2p */
+ /* vif. Since this is only reason for a probe */
+ /* response to be sent, the vif is taken from cfg. */
+ /* If ever desired to send proberesp for non p2p */
+ /* response then data should be checked for */
+ /* "DIRECT-". Note in future supplicant will take */
+ /* dedicated p2p wdev to do this and then this 'hack'*/
+ /* is not needed anymore. */
+ ie_offset = DOT11_MGMT_HDR_LEN +
+ DOT11_BCN_PRB_FIXED_LEN;
+ ie_len = len - ie_offset;
+ if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
+ vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+ err = brcmf_vif_set_mgmt_ie(vif,
+ BRCMF_VNDR_IE_PRBRSP_FLAG,
+ &buf[ie_offset],
+ ie_len);
+ cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
+ GFP_KERNEL);
+ } else if (ieee80211_is_action(mgmt->frame_control)) {
+ af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
+ if (af_params == NULL) {
+ brcmf_err("unable to allocate frame\n");
+ err = -ENOMEM;
+ goto exit;
+ }
+ action_frame = &af_params->action_frame;
+ /* Add the packet Id */
+ action_frame->packet_id = cpu_to_le32(*cookie);
+ /* Add BSSID */
+ memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
+ memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
+ /* Add the length exepted for 802.11 header */
+ action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
+ /* Add the channel. Use the one specified as parameter if any or
+ * the current one (got from the firmware) otherwise
+ */
+ if (chan)
+ freq = chan->center_freq;
+ else
+ brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
+ &freq);
+ chan_nr = ieee80211_frequency_to_channel(freq);
+ af_params->channel = cpu_to_le32(chan_nr);
+
+ memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
+ le16_to_cpu(action_frame->len));
+
+ brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
+ *cookie, le16_to_cpu(action_frame->len), freq);
+
+ ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
+ af_params);
+
+ cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
+ GFP_KERNEL);
+ kfree(af_params);
+ } else {
+ brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
+ brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
+ }
+
+exit:
+ return err;
+}
+
+
+static int
+brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ u64 cookie)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_cfg80211_vif *vif;
+ int err = 0;
+
+ brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
+
+ vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+ if (vif == NULL) {
+ brcmf_err("No p2p device available for probe response\n");
+ err = -ENODEV;
+ goto exit;
+ }
+ brcmf_p2p_cancel_remain_on_channel(vif->ifp);
+exit:
+ return err;
+}
+
+static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ enum nl80211_crit_proto_id proto,
+ u16 duration)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_cfg80211_vif *vif;
+
+ vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
+
+ /* only DHCP support for now */
+ if (proto != NL80211_CRIT_PROTO_DHCP)
+ return -EINVAL;
+
+ /* suppress and abort scanning */
+ set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
+ brcmf_abort_scanning(cfg);
+
+ return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
+}
+
+static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
+ struct wireless_dev *wdev)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+ struct brcmf_cfg80211_vif *vif;
+
+ vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
+
+ brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
+ clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
+}
+
+static s32
+brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
+ const struct brcmf_event_msg *e, void *data)
+{
+ switch (e->reason) {
+ case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
+ brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
+ break;
+ case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
+ brcmf_dbg(TRACE, "TDLS Peer Connected\n");
+ brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
+ break;
+ case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
+ brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
+ brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
+ break;
+ }
+
+ return 0;
+}
+
+static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
+{
+ int ret;
+
+ switch (oper) {
+ case NL80211_TDLS_DISCOVERY_REQ:
+ ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
+ break;
+ case NL80211_TDLS_SETUP:
+ ret = BRCMF_TDLS_MANUAL_EP_CREATE;
+ break;
+ case NL80211_TDLS_TEARDOWN:
+ ret = BRCMF_TDLS_MANUAL_EP_DELETE;
+ break;
+ default:
+ brcmf_err("unsupported operation: %d\n", oper);
+ ret = -EOPNOTSUPP;
+ }
+ return ret;
+}
+
+static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
+ struct net_device *ndev, const u8 *peer,
+ enum nl80211_tdls_operation oper)
+{
+ struct brcmf_if *ifp;
+ struct brcmf_tdls_iovar_le info;
+ int ret = 0;
+
+ ret = brcmf_convert_nl80211_tdls_oper(oper);
+ if (ret < 0)
+ return ret;
+
+ ifp = netdev_priv(ndev);
+ memset(&info, 0, sizeof(info));
+ info.mode = (u8)ret;
+ if (peer)
+ memcpy(info.ea, peer, ETH_ALEN);
+
+ ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
+ &info, sizeof(info));
+ if (ret < 0)
+ brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
+
+ return ret;
+}
+
+static struct cfg80211_ops wl_cfg80211_ops = {
+ .add_virtual_intf = brcmf_cfg80211_add_iface,
+ .del_virtual_intf = brcmf_cfg80211_del_iface,
+ .change_virtual_intf = brcmf_cfg80211_change_iface,
+ .scan = brcmf_cfg80211_scan,
+ .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
+ .join_ibss = brcmf_cfg80211_join_ibss,
+ .leave_ibss = brcmf_cfg80211_leave_ibss,
+ .get_station = brcmf_cfg80211_get_station,
+ .set_tx_power = brcmf_cfg80211_set_tx_power,
+ .get_tx_power = brcmf_cfg80211_get_tx_power,
+ .add_key = brcmf_cfg80211_add_key,
+ .del_key = brcmf_cfg80211_del_key,
+ .get_key = brcmf_cfg80211_get_key,
+ .set_default_key = brcmf_cfg80211_config_default_key,
+ .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
+ .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
+ .connect = brcmf_cfg80211_connect,
+ .disconnect = brcmf_cfg80211_disconnect,
+ .suspend = brcmf_cfg80211_suspend,
+ .resume = brcmf_cfg80211_resume,
+ .set_pmksa = brcmf_cfg80211_set_pmksa,
+ .del_pmksa = brcmf_cfg80211_del_pmksa,
+ .flush_pmksa = brcmf_cfg80211_flush_pmksa,
+ .start_ap = brcmf_cfg80211_start_ap,
+ .stop_ap = brcmf_cfg80211_stop_ap,
+ .change_beacon = brcmf_cfg80211_change_beacon,
+ .del_station = brcmf_cfg80211_del_station,
+ .sched_scan_start = brcmf_cfg80211_sched_scan_start,
+ .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
+ .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
+ .mgmt_tx = brcmf_cfg80211_mgmt_tx,
+ .remain_on_channel = brcmf_p2p_remain_on_channel,
+ .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
+ .start_p2p_device = brcmf_p2p_start_device,
+ .stop_p2p_device = brcmf_p2p_stop_device,
+ .crit_proto_start = brcmf_cfg80211_crit_proto_start,
+ .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
+ .tdls_oper = brcmf_cfg80211_tdls_oper,
+};
+
+struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
+ enum nl80211_iftype type,
+ bool pm_block)
+{
+ struct brcmf_cfg80211_vif *vif;
+
+ brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
+ sizeof(*vif));
+ vif = kzalloc(sizeof(*vif), GFP_KERNEL);
+ if (!vif)
+ return ERR_PTR(-ENOMEM);
+
+ vif->wdev.wiphy = cfg->wiphy;
+ vif->wdev.iftype = type;
+
+ vif->pm_block = pm_block;
+ vif->roam_off = -1;
+
+ brcmf_init_prof(&vif->profile);
+
+ list_add_tail(&vif->list, &cfg->vif_list);
+ return vif;
+}
+
+void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
+{
+ list_del(&vif->list);
+ kfree(vif);
+}
+
+void brcmf_cfg80211_free_netdev(struct net_device *ndev)
+{
+ struct brcmf_cfg80211_vif *vif;
+ struct brcmf_if *ifp;
+
+ ifp = netdev_priv(ndev);
+ vif = ifp->vif;
+
+ brcmf_free_vif(vif);
+ free_netdev(ndev);
+}
+
+static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
+{
+ u32 event = e->event_code;
+ u32 status = e->status;
+
+ if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
+ brcmf_dbg(CONN, "Processing set ssid\n");
+ return true;
+ }
+
+ return false;
+}
+
+static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
+{
+ u32 event = e->event_code;
+ u16 flags = e->flags;
+
+ if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
+ (event == BRCMF_E_DISASSOC_IND) ||
+ ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
+ brcmf_dbg(CONN, "Processing link down\n");
+ return true;
+ }
+ return false;
+}
+
+static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
+ const struct brcmf_event_msg *e)
+{
+ u32 event = e->event_code;
+ u32 status = e->status;
+
+ if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
+ brcmf_dbg(CONN, "Processing Link %s & no network found\n",
+ e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
+ return true;
+ }
+
+ if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
+ brcmf_dbg(CONN, "Processing connecting & no network found\n");
+ return true;
+ }
+
+ return false;
+}
+
+static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
+{
+ struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
+
+ kfree(conn_info->req_ie);
+ conn_info->req_ie = NULL;
+ conn_info->req_ie_len = 0;
+ kfree(conn_info->resp_ie);
+ conn_info->resp_ie = NULL;
+ conn_info->resp_ie_len = 0;
+}
+
+static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_if *ifp)
+{
+ struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
+ struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
+ u32 req_len;
+ u32 resp_len;
+ s32 err = 0;
+
+ brcmf_clear_assoc_ies(cfg);
+
+ err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
+ cfg->extra_buf, WL_ASSOC_INFO_MAX);
+ if (err) {
+ brcmf_err("could not get assoc info (%d)\n", err);
+ return err;
+ }
+ assoc_info =
+ (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
+ req_len = le32_to_cpu(assoc_info->req_len);
+ resp_len = le32_to_cpu(assoc_info->resp_len);
+ if (req_len) {
+ err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
+ cfg->extra_buf,
+ WL_ASSOC_INFO_MAX);
+ if (err) {
+ brcmf_err("could not get assoc req (%d)\n", err);
+ return err;
+ }
+ conn_info->req_ie_len = req_len;
+ conn_info->req_ie =
+ kmemdup(cfg->extra_buf, conn_info->req_ie_len,
+ GFP_KERNEL);
+ } else {
+ conn_info->req_ie_len = 0;
+ conn_info->req_ie = NULL;
+ }
+ if (resp_len) {
+ err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
+ cfg->extra_buf,
+ WL_ASSOC_INFO_MAX);
+ if (err) {
+ brcmf_err("could not get assoc resp (%d)\n", err);
+ return err;
+ }
+ conn_info->resp_ie_len = resp_len;
+ conn_info->resp_ie =
+ kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
+ GFP_KERNEL);
+ } else {
+ conn_info->resp_ie_len = 0;
+ conn_info->resp_ie = NULL;
+ }
+ brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
+ conn_info->req_ie_len, conn_info->resp_ie_len);
+
+ return err;
+}
+
+static s32
+brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
+ struct net_device *ndev,
+ const struct brcmf_event_msg *e)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
+ struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
+ struct wiphy *wiphy = cfg_to_wiphy(cfg);
+ struct ieee80211_channel *notify_channel = NULL;
+ struct ieee80211_supported_band *band;
+ struct brcmf_bss_info_le *bi;
+ struct brcmu_chan ch;
+ u32 freq;
+ s32 err = 0;
+ u8 *buf;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ brcmf_get_assoc_ies(cfg, ifp);
+ memcpy(profile->bssid, e->addr, ETH_ALEN);
+ brcmf_update_bss_info(cfg, ifp);
+
+ buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
+ if (buf == NULL) {
+ err = -ENOMEM;
+ goto done;
+ }
+
+ /* data sent to dongle has to be little endian */
+ *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
+ err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
+ buf, WL_BSS_INFO_MAX);
+
+ if (err)
+ goto done;
+
+ bi = (struct brcmf_bss_info_le *)(buf + 4);
+ ch.chspec = le16_to_cpu(bi->chanspec);
+ cfg->d11inf.decchspec(&ch);
+
+ if (ch.band == BRCMU_CHAN_BAND_2G)
+ band = wiphy->bands[IEEE80211_BAND_2GHZ];
+ else
+ band = wiphy->bands[IEEE80211_BAND_5GHZ];
+
+ freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
+ notify_channel = ieee80211_get_channel(wiphy, freq);
+
+done:
+ kfree(buf);
+ cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
+ conn_info->req_ie, conn_info->req_ie_len,
+ conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
+ brcmf_dbg(CONN, "Report roaming result\n");
+
+ set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
+ brcmf_dbg(TRACE, "Exit\n");
+ return err;
+}
+
+static s32
+brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
+ struct net_device *ndev, const struct brcmf_event_msg *e,
+ bool completed)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
+ struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
+ &ifp->vif->sme_state)) {
+ if (completed) {
+ brcmf_get_assoc_ies(cfg, ifp);
+ memcpy(profile->bssid, e->addr, ETH_ALEN);
+ brcmf_update_bss_info(cfg, ifp);
+ set_bit(BRCMF_VIF_STATUS_CONNECTED,
+ &ifp->vif->sme_state);
+ }
+ cfg80211_connect_result(ndev,
+ (u8 *)profile->bssid,
+ conn_info->req_ie,
+ conn_info->req_ie_len,
+ conn_info->resp_ie,
+ conn_info->resp_ie_len,
+ completed ? WLAN_STATUS_SUCCESS :
+ WLAN_STATUS_AUTH_TIMEOUT,
+ GFP_KERNEL);
+ brcmf_dbg(CONN, "Report connect result - connection %s\n",
+ completed ? "succeeded" : "failed");
+ }
+ brcmf_dbg(TRACE, "Exit\n");
+ return 0;
+}
+
+static s32
+brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
+ struct net_device *ndev,
+ const struct brcmf_event_msg *e, void *data)
+{
+ static int generation;
+ u32 event = e->event_code;
+ u32 reason = e->reason;
+ struct station_info sinfo;
+
+ brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
+ if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
+ ndev != cfg_to_ndev(cfg)) {
+ brcmf_dbg(CONN, "AP mode link down\n");
+ complete(&cfg->vif_disabled);
+ return 0;
+ }
+
+ if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
+ (reason == BRCMF_E_STATUS_SUCCESS)) {
+ memset(&sinfo, 0, sizeof(sinfo));
+ sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
+ if (!data) {
+ brcmf_err("No IEs present in ASSOC/REASSOC_IND");
+ return -EINVAL;
+ }
+ sinfo.assoc_req_ies = data;
+ sinfo.assoc_req_ies_len = e->datalen;
+ generation++;
+ sinfo.generation = generation;
+ cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
+ } else if ((event == BRCMF_E_DISASSOC_IND) ||
+ (event == BRCMF_E_DEAUTH_IND) ||
+ (event == BRCMF_E_DEAUTH)) {
+ cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
+ }
+ return 0;
+}
+
+static s32
+brcmf_notify_connect_status(struct brcmf_if *ifp,
+ const struct brcmf_event_msg *e, void *data)
+{
+ struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
+ struct net_device *ndev = ifp->ndev;
+ struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
+ struct ieee80211_channel *chan;
+ s32 err = 0;
+
+ if ((e->event_code == BRCMF_E_DEAUTH) ||
+ (e->event_code == BRCMF_E_DEAUTH_IND) ||
+ (e->event_code == BRCMF_E_DISASSOC_IND) ||
+ ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
+ brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
+ }
+
+ if (brcmf_is_apmode(ifp->vif)) {
+ err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
+ } else if (brcmf_is_linkup(e)) {
+ brcmf_dbg(CONN, "Linkup\n");
+ if (brcmf_is_ibssmode(ifp->vif)) {
+ chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
+ memcpy(profile->bssid, e->addr, ETH_ALEN);
+ wl_inform_ibss(cfg, ndev, e->addr);
+ cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
+ clear_bit(BRCMF_VIF_STATUS_CONNECTING,
+ &ifp->vif->sme_state);
+ set_bit(BRCMF_VIF_STATUS_CONNECTED,
+ &ifp->vif->sme_state);
+ } else
+ brcmf_bss_connect_done(cfg, ndev, e, true);
+ } else if (brcmf_is_linkdown(e)) {
+ brcmf_dbg(CONN, "Linkdown\n");
+ if (!brcmf_is_ibssmode(ifp->vif)) {
+ brcmf_bss_connect_done(cfg, ndev, e, false);
+ }
+ brcmf_link_down(ifp->vif);
+ brcmf_init_prof(ndev_to_prof(ndev));
+ if (ndev != cfg_to_ndev(cfg))
+ complete(&cfg->vif_disabled);
+ } else if (brcmf_is_nonetwork(cfg, e)) {
+ if (brcmf_is_ibssmode(ifp->vif))
+ clear_bit(BRCMF_VIF_STATUS_CONNECTING,
+ &ifp->vif->sme_state);
+ else
+ brcmf_bss_connect_done(cfg, ndev, e, false);
+ }
+
+ return err;
+}
+
+static s32
+brcmf_notify_roaming_status(struct brcmf_if *ifp,
+ const struct brcmf_event_msg *e, void *data)
+{
+ struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
+ u32 event = e->event_code;
+ u32 status = e->status;
+
+ if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
+ if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
+ brcmf_bss_roaming_done(cfg, ifp->ndev, e);
+ else
+ brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
+ }
+
+ return 0;
+}
+
+static s32
+brcmf_notify_mic_status(struct brcmf_if *ifp,
+ const struct brcmf_event_msg *e, void *data)
+{
+ u16 flags = e->flags;
+ enum nl80211_key_type key_type;
+
+ if (flags & BRCMF_EVENT_MSG_GROUP)
+ key_type = NL80211_KEYTYPE_GROUP;
+ else
+ key_type = NL80211_KEYTYPE_PAIRWISE;
+
+ cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
+ NULL, GFP_KERNEL);
+
+ return 0;
+}
+
+static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
+ const struct brcmf_event_msg *e, void *data)
+{
+ struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
+ struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
+ struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
+ struct brcmf_cfg80211_vif *vif;
+
+ brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n",
+ ifevent->action, ifevent->flags, ifevent->ifidx,
+ ifevent->bssidx);
+
+ mutex_lock(&event->vif_event_lock);
+ event->action = ifevent->action;
+ vif = event->vif;
+
+ switch (ifevent->action) {
+ case BRCMF_E_IF_ADD:
+ /* waiting process may have timed out */
+ if (!cfg->vif_event.vif) {
+ mutex_unlock(&event->vif_event_lock);
+ return -EBADF;
+ }
+
+ ifp->vif = vif;
+ vif->ifp = ifp;
+ if (ifp->ndev) {
+ vif->wdev.netdev = ifp->ndev;
+ ifp->ndev->ieee80211_ptr = &vif->wdev;
+ SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
+ }
+ mutex_unlock(&event->vif_event_lock);
+ wake_up(&event->vif_wq);
+ return 0;
+
+ case BRCMF_E_IF_DEL:
+ mutex_unlock(&event->vif_event_lock);
+ /* event may not be upon user request */
+ if (brcmf_cfg80211_vif_event_armed(cfg))
+ wake_up(&event->vif_wq);
+ return 0;
+
+ case BRCMF_E_IF_CHANGE:
+ mutex_unlock(&event->vif_event_lock);
+ wake_up(&event->vif_wq);
+ return 0;
+
+ default:
+ mutex_unlock(&event->vif_event_lock);
+ break;
+ }
+ return -EINVAL;
+}
+
+static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
+{
+ conf->frag_threshold = (u32)-1;
+ conf->rts_threshold = (u32)-1;
+ conf->retry_short = (u32)-1;
+ conf->retry_long = (u32)-1;
+ conf->tx_power = -1;
+}
+
+static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
+{
+ brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
+ brcmf_notify_connect_status);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
+ brcmf_notify_connect_status);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
+ brcmf_notify_connect_status);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
+ brcmf_notify_connect_status);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
+ brcmf_notify_connect_status);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
+ brcmf_notify_connect_status);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
+ brcmf_notify_roaming_status);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
+ brcmf_notify_mic_status);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
+ brcmf_notify_connect_status);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
+ brcmf_notify_sched_scan_results);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
+ brcmf_notify_vif_event);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
+ brcmf_p2p_notify_rx_mgmt_p2p_probereq);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
+ brcmf_p2p_notify_listen_complete);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
+ brcmf_p2p_notify_action_frame_rx);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
+ brcmf_p2p_notify_action_tx_complete);
+ brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
+ brcmf_p2p_notify_action_tx_complete);
+}
+
+static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
+{
+ kfree(cfg->conf);
+ cfg->conf = NULL;
+ kfree(cfg->escan_ioctl_buf);
+ cfg->escan_ioctl_buf = NULL;
+ kfree(cfg->extra_buf);
+ cfg->extra_buf = NULL;
+ kfree(cfg->pmk_list);
+ cfg->pmk_list = NULL;
+}
+
+static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
+{
+ cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
+ if (!cfg->conf)
+ goto init_priv_mem_out;
+ cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
+ if (!cfg->escan_ioctl_buf)
+ goto init_priv_mem_out;
+ cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
+ if (!cfg->extra_buf)
+ goto init_priv_mem_out;
+ cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
+ if (!cfg->pmk_list)
+ goto init_priv_mem_out;
+
+ return 0;
+
+init_priv_mem_out:
+ brcmf_deinit_priv_mem(cfg);
+
+ return -ENOMEM;
+}
+
+static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
+{
+ s32 err = 0;
+
+ cfg->scan_request = NULL;
+ cfg->pwr_save = true;
+ cfg->active_scan = true; /* we do active scan per default */
+ cfg->dongle_up = false; /* dongle is not up yet */
+ err = brcmf_init_priv_mem(cfg);
+ if (err)
+ return err;
+ brcmf_register_event_handlers(cfg);
+ mutex_init(&cfg->usr_sync);
+ brcmf_init_escan(cfg);
+ brcmf_init_conf(cfg->conf);
+ init_completion(&cfg->vif_disabled);
+ return err;
+}
+
+static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
+{
+ cfg->dongle_up = false; /* dongle down */
+ brcmf_abort_scanning(cfg);
+ brcmf_deinit_priv_mem(cfg);
+}
+
+static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
+{
+ init_waitqueue_head(&event->vif_wq);
+ mutex_init(&event->vif_event_lock);
+}
+
+static s32
+brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout)
+{
+ s32 err = 0;
+ __le32 roamtrigger[2];
+ __le32 roam_delta[2];
+
+ /*
+ * Setup timeout if Beacons are lost and roam is
+ * off to report link down
+ */
+ if (brcmf_roamoff) {
+ err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
+ if (err) {
+ brcmf_err("bcn_timeout error (%d)\n", err);
+ goto dongle_rom_out;
+ }
+ }
+
+ /*
+ * Enable/Disable built-in roaming to allow supplicant
+ * to take care of roaming
+ */
+ brcmf_dbg(INFO, "Internal Roaming = %s\n",
+ brcmf_roamoff ? "Off" : "On");
+ err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff));
+ if (err) {
+ brcmf_err("roam_off error (%d)\n", err);
+ goto dongle_rom_out;
+ }
+
+ roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
+ roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
+ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
+ (void *)roamtrigger, sizeof(roamtrigger));
+ if (err) {
+ brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
+ goto dongle_rom_out;
+ }
+
+ roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
+ roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
+ err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
+ (void *)roam_delta, sizeof(roam_delta));
+ if (err) {
+ brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
+ goto dongle_rom_out;
+ }
+
+dongle_rom_out:
+ return err;
+}
+
+static s32
+brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time,
+ s32 scan_unassoc_time, s32 scan_passive_time)
+{
+ s32 err = 0;
+
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
+ scan_assoc_time);
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ brcmf_dbg(INFO, "Scan assoc time is not supported\n");
+ else
+ brcmf_err("Scan assoc time error (%d)\n", err);
+ goto dongle_scantime_out;
+ }
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
+ scan_unassoc_time);
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ brcmf_dbg(INFO, "Scan unassoc time is not supported\n");
+ else
+ brcmf_err("Scan unassoc time error (%d)\n", err);
+ goto dongle_scantime_out;
+ }
+
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
+ scan_passive_time);
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ brcmf_dbg(INFO, "Scan passive time is not supported\n");
+ else
+ brcmf_err("Scan passive time error (%d)\n", err);
+ goto dongle_scantime_out;
+ }
+
+dongle_scantime_out:
+ return err;
+}
+
+/* Filter the list of channels received from firmware counting only
+ * the 20MHz channels. The wiphy band data only needs those which get
+ * flagged to indicate if they can take part in higher bandwidth.
+ */
+static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_chanspec_list *chlist,
+ u32 chcnt[])
+{
+ u32 total = le32_to_cpu(chlist->count);
+ struct brcmu_chan ch;
+ int i;
+
+ for (i = 0; i < total; i++) {
+ ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
+ cfg->d11inf.decchspec(&ch);
+
+ /* Firmware gives a ordered list. We skip non-20MHz
+ * channels is 2G. For 5G we can abort upon reaching
+ * a non-20MHz channel in the list.
+ */
+ if (ch.bw != BRCMU_CHAN_BW_20) {
+ if (ch.band == BRCMU_CHAN_BAND_5G)
+ break;
+ else
+ continue;
+ }
+
+ if (ch.band == BRCMU_CHAN_BAND_2G)
+ chcnt[0] += 1;
+ else if (ch.band == BRCMU_CHAN_BAND_5G)
+ chcnt[1] += 1;
+ }
+}
+
+static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
+ struct brcmu_chan *ch)
+{
+ u32 ht40_flag;
+
+ ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
+ if (ch->sb == BRCMU_CHAN_SB_U) {
+ if (ht40_flag == IEEE80211_CHAN_NO_HT40)
+ channel->flags &= ~IEEE80211_CHAN_NO_HT40;
+ channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
+ } else {
+ /* It should be one of
+ * IEEE80211_CHAN_NO_HT40 or
+ * IEEE80211_CHAN_NO_HT40PLUS
+ */
+ channel->flags &= ~IEEE80211_CHAN_NO_HT40;
+ if (ht40_flag == IEEE80211_CHAN_NO_HT40)
+ channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
+ }
+}
+
+static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
+ u32 bw_cap[])
+{
+ struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
+ struct ieee80211_supported_band *band;
+ struct ieee80211_channel *channel;
+ struct wiphy *wiphy;
+ struct brcmf_chanspec_list *list;
+ struct brcmu_chan ch;
+ int err;
+ u8 *pbuf;
+ u32 i, j;
+ u32 total;
+ u32 chaninfo;
+ u32 chcnt[2] = { 0, 0 };
+ u32 index;
+
+ pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
+
+ if (pbuf == NULL)
+ return -ENOMEM;
+
+ list = (struct brcmf_chanspec_list *)pbuf;
+
+ err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
+ BRCMF_DCMD_MEDLEN);
+ if (err) {
+ brcmf_err("get chanspecs error (%d)\n", err);
+ goto fail_pbuf;
+ }
+
+ brcmf_count_20mhz_channels(cfg, list, chcnt);
+ wiphy = cfg_to_wiphy(cfg);
+ if (chcnt[0]) {
+ band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
+ GFP_KERNEL);
+ if (band == NULL) {
+ err = -ENOMEM;
+ goto fail_pbuf;
+ }
+ band->channels = kcalloc(chcnt[0], sizeof(*channel),
+ GFP_KERNEL);
+ if (band->channels == NULL) {
+ kfree(band);
+ err = -ENOMEM;
+ goto fail_pbuf;
+ }
+ band->n_channels = 0;
+ wiphy->bands[IEEE80211_BAND_2GHZ] = band;
+ }
+ if (chcnt[1]) {
+ band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a),
+ GFP_KERNEL);
+ if (band == NULL) {
+ err = -ENOMEM;
+ goto fail_band2g;
+ }
+ band->channels = kcalloc(chcnt[1], sizeof(*channel),
+ GFP_KERNEL);
+ if (band->channels == NULL) {
+ kfree(band);
+ err = -ENOMEM;
+ goto fail_band2g;
+ }
+ band->n_channels = 0;
+ wiphy->bands[IEEE80211_BAND_5GHZ] = band;
+ }
+
+ total = le32_to_cpu(list->count);
+ for (i = 0; i < total; i++) {
+ ch.chspec = (u16)le32_to_cpu(list->element[i]);
+ cfg->d11inf.decchspec(&ch);
+
+ if (ch.band == BRCMU_CHAN_BAND_2G) {
+ band = wiphy->bands[IEEE80211_BAND_2GHZ];
+ } else if (ch.band == BRCMU_CHAN_BAND_5G) {
+ band = wiphy->bands[IEEE80211_BAND_5GHZ];
+ } else {
+ brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
+ continue;
+ }
+ if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
+ ch.bw == BRCMU_CHAN_BW_40)
+ continue;
+ if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
+ ch.bw == BRCMU_CHAN_BW_80)
+ continue;
+
+ channel = band->channels;
+ index = band->n_channels;
+ for (j = 0; j < band->n_channels; j++) {
+ if (channel[j].hw_value == ch.chnum) {
+ index = j;
+ break;
+ }
+ }
+ channel[index].center_freq =
+ ieee80211_channel_to_frequency(ch.chnum, band->band);
+ channel[index].hw_value = ch.chnum;
+
+ /* assuming the chanspecs order is HT20,
+ * HT40 upper, HT40 lower, and VHT80.
+ */
+ if (ch.bw == BRCMU_CHAN_BW_80) {
+ channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
+ } else if (ch.bw == BRCMU_CHAN_BW_40) {
+ brcmf_update_bw40_channel_flag(&channel[index], &ch);
+ } else {
+ /* disable other bandwidths for now as mentioned
+ * order assure they are enabled for subsequent
+ * chanspecs.
+ */
+ channel[index].flags = IEEE80211_CHAN_NO_HT40 |
+ IEEE80211_CHAN_NO_80MHZ;
+ ch.bw = BRCMU_CHAN_BW_20;
+ cfg->d11inf.encchspec(&ch);
+ chaninfo = ch.chspec;
+ err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
+ &chaninfo);
+ if (!err) {
+ if (chaninfo & WL_CHAN_RADAR)
+ channel[index].flags |=
+ (IEEE80211_CHAN_RADAR |
+ IEEE80211_CHAN_NO_IR);
+ if (chaninfo & WL_CHAN_PASSIVE)
+ channel[index].flags |=
+ IEEE80211_CHAN_NO_IR;
+ }
+ }
+ if (index == band->n_channels)
+ band->n_channels++;
+ }
+ kfree(pbuf);
+ return 0;
+
+fail_band2g:
+ kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
+ kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
+ wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
+fail_pbuf:
+ kfree(pbuf);
+ return err;
+}
+
+static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
+{
+ struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
+ struct ieee80211_supported_band *band;
+ struct brcmf_fil_bwcap_le band_bwcap;
+ struct brcmf_chanspec_list *list;
+ u8 *pbuf;
+ u32 val;
+ int err;
+ struct brcmu_chan ch;
+ u32 num_chan;
+ int i, j;
+
+ /* verify support for bw_cap command */
+ val = WLC_BAND_5G;
+ err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
+
+ if (!err) {
+ /* only set 2G bandwidth using bw_cap command */
+ band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
+ band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
+ err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
+ sizeof(band_bwcap));
+ } else {
+ brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
+ val = WLC_N_BW_40ALL;
+ err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
+ }
+
+ if (!err) {
+ /* update channel info in 2G band */
+ pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
+
+ if (pbuf == NULL)
+ return -ENOMEM;
+
+ ch.band = BRCMU_CHAN_BAND_2G;
+ ch.bw = BRCMU_CHAN_BW_40;
+ ch.sb = BRCMU_CHAN_SB_NONE;
+ ch.chnum = 0;
+ cfg->d11inf.encchspec(&ch);
+
+ /* pass encoded chanspec in query */
+ *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
+
+ err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
+ BRCMF_DCMD_MEDLEN);
+ if (err) {
+ brcmf_err("get chanspecs error (%d)\n", err);
+ kfree(pbuf);
+ return err;
+ }
+
+ band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
+ list = (struct brcmf_chanspec_list *)pbuf;
+ num_chan = le32_to_cpu(list->count);
+ for (i = 0; i < num_chan; i++) {
+ ch.chspec = (u16)le32_to_cpu(list->element[i]);
+ cfg->d11inf.decchspec(&ch);
+ if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
+ continue;
+ if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
+ continue;
+ for (j = 0; j < band->n_channels; j++) {
+ if (band->channels[j].hw_value == ch.chnum)
+ break;
+ }
+ if (WARN_ON(j == band->n_channels))
+ continue;
+
+ brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
+ }
+ kfree(pbuf);
+ }
+ return err;
+}
+
+static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
+{
+ u32 band, mimo_bwcap;
+ int err;
+
+ band = WLC_BAND_2G;
+ err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
+ if (!err) {
+ bw_cap[IEEE80211_BAND_2GHZ] = band;
+ band = WLC_BAND_5G;
+ err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
+ if (!err) {
+ bw_cap[IEEE80211_BAND_5GHZ] = band;
+ return;
+ }
+ WARN_ON(1);
+ return;
+ }
+ brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
+ mimo_bwcap = 0;
+ err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
+ if (err)
+ /* assume 20MHz if firmware does not give a clue */
+ mimo_bwcap = WLC_N_BW_20ALL;
+
+ switch (mimo_bwcap) {
+ case WLC_N_BW_40ALL:
+ bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
+ /* fall-thru */
+ case WLC_N_BW_20IN2G_40IN5G:
+ bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
+ /* fall-thru */
+ case WLC_N_BW_20ALL:
+ bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
+ bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
+ break;
+ default:
+ brcmf_err("invalid mimo_bw_cap value\n");
+ }
+}
+
+static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
+ u32 bw_cap[2], u32 nchain)
+{
+ band->ht_cap.ht_supported = true;
+ if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
+ band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
+ band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ }
+ band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
+ band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
+ band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+ band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
+ memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
+ band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
+}
+
+static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
+{
+ u16 mcs_map;
+ int i;
+
+ for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
+ mcs_map = (mcs_map << 2) | supp;
+
+ return cpu_to_le16(mcs_map);
+}
+
+static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
+ u32 bw_cap[2], u32 nchain)
+{
+ __le16 mcs_map;
+
+ /* not allowed in 2.4G band */
+ if (band->band == IEEE80211_BAND_2GHZ)
+ return;
+
+ band->vht_cap.vht_supported = true;
+ /* 80MHz is mandatory */
+ band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
+ if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
+ band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
+ band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
+ }
+ /* all support 256-QAM */
+ mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
+ band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
+ band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
+}
+
+static int brcmf_setup_wiphybands(struct wiphy *wiphy)
+{
+ struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
+ struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
+ u32 nmode = 0;
+ u32 vhtmode = 0;
+ u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
+ u32 rxchain;
+ u32 nchain;
+ int err;
+ s32 i;
+ struct ieee80211_supported_band *band;
+
+ (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
+ err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
+ if (err) {
+ brcmf_err("nmode error (%d)\n", err);
+ } else {
+ brcmf_get_bwcap(ifp, bw_cap);
+ }
+ brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
+ nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
+ bw_cap[IEEE80211_BAND_5GHZ]);
+
+ err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
+ if (err) {
+ brcmf_err("rxchain error (%d)\n", err);
+ nchain = 1;
+ } else {
+ for (nchain = 0; rxchain; nchain++)
+ rxchain = rxchain & (rxchain - 1);
+ }
+ brcmf_dbg(INFO, "nchain=%d\n", nchain);
+
+ err = brcmf_construct_chaninfo(cfg, bw_cap);
+ if (err) {
+ brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
+ return err;
+ }
+
+ wiphy = cfg_to_wiphy(cfg);
+ for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
+ band = wiphy->bands[i];
+ if (band == NULL)
+ continue;
+
+ if (nmode)
+ brcmf_update_ht_cap(band, bw_cap, nchain);
+ if (vhtmode)
+ brcmf_update_vht_cap(band, bw_cap, nchain);
+ }
+
+ return 0;
+}
+
+static const struct ieee80211_iface_limit brcmf_iface_limits[] = {
+ {
+ .max = 2,
+ .types = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_AP)
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO)
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
+ }
+};
+static struct ieee80211_iface_combination brcmf_iface_combos[] = {
+ {
+ .max_interfaces = BRCMF_IFACE_MAX_CNT,
+ .num_different_channels = 1,
+ .n_limits = ARRAY_SIZE(brcmf_iface_limits),
+ .limits = brcmf_iface_limits
+ }
+};
+
+static const struct ieee80211_txrx_stypes
+brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
+ [NL80211_IFTYPE_STATION] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+ [NL80211_IFTYPE_P2P_CLIENT] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ },
+ [NL80211_IFTYPE_P2P_GO] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
+ BIT(IEEE80211_STYPE_DISASSOC >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4) |
+ BIT(IEEE80211_STYPE_DEAUTH >> 4) |
+ BIT(IEEE80211_STYPE_ACTION >> 4)
+ },
+ [NL80211_IFTYPE_P2P_DEVICE] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+ }
+};
+
+static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
+{
+ /* scheduled scan settings */
+ wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
+ wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
+ wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
+ wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
+}
+
+#ifdef CONFIG_PM
+static const struct wiphy_wowlan_support brcmf_wowlan_support = {
+ .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
+ .n_patterns = BRCMF_WOWL_MAXPATTERNS,
+ .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
+ .pattern_min_len = 1,
+ .max_pkt_offset = 1500,
+};
+#endif
+
+static void brcmf_wiphy_wowl_params(struct wiphy *wiphy)
+{
+#ifdef CONFIG_PM
+ /* wowl settings */
+ wiphy->wowlan = &brcmf_wowlan_support;
+#endif
+}
+
+static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
+{
+ struct ieee80211_iface_combination ifc_combo;
+ wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
+ wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
+ wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
+ wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE);
+ /* need VSDB firmware feature for concurrent channels */
+ ifc_combo = brcmf_iface_combos[0];
+ if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
+ ifc_combo.num_different_channels = 2;
+ wiphy->iface_combinations = kmemdup(&ifc_combo,
+ sizeof(ifc_combo),
+ GFP_KERNEL);
+ wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
+ wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+ wiphy->cipher_suites = __wl_cipher_suites;
+ wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
+ wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
+ WIPHY_FLAG_OFFCHAN_TX |
+ WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
+ WIPHY_FLAG_SUPPORTS_TDLS;
+ if (!brcmf_roamoff)
+ wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
+ wiphy->mgmt_stypes = brcmf_txrx_stypes;
+ wiphy->max_remain_on_channel_duration = 5000;
+ brcmf_wiphy_pno_params(wiphy);
+
+ /* vendor commands/events support */
+ wiphy->vendor_commands = brcmf_vendor_cmds;
+ wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
+
+ if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
+ brcmf_wiphy_wowl_params(wiphy);
+
+ return brcmf_setup_wiphybands(wiphy);
+}
+
+static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
+{
+ struct net_device *ndev;
+ struct wireless_dev *wdev;
+ struct brcmf_if *ifp;
+ s32 power_mode;
+ s32 err = 0;
+
+ if (cfg->dongle_up)
+ return err;
+
+ ndev = cfg_to_ndev(cfg);
+ wdev = ndev->ieee80211_ptr;
+ ifp = netdev_priv(ndev);
+
+ /* make sure RF is ready for work */
+ brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
+
+ brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME,
+ WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
+
+ power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
+ err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
+ if (err)
+ goto default_conf_out;
+ brcmf_dbg(INFO, "power save set to %s\n",
+ (power_mode ? "enabled" : "disabled"));
+
+ err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT);
+ if (err)
+ goto default_conf_out;
+ err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
+ NULL, NULL);
+ if (err)
+ goto default_conf_out;
+
+ brcmf_configure_arp_offload(ifp, true);
+
+ cfg->dongle_up = true;
+default_conf_out:
+
+ return err;
+
+}
+
+static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
+{
+ set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
+
+ return brcmf_config_dongle(ifp->drvr->config);
+}
+
+static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
+{
+ struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
+
+ /*
+ * While going down, if associated with AP disassociate
+ * from AP to save power
+ */
+ if (check_vif_up(ifp->vif)) {
+ brcmf_link_down(ifp->vif);
+
+ /* Make sure WPA_Supplicant receives all the event
+ generated due to DISASSOC call to the fw to keep
+ the state fw and WPA_Supplicant state consistent
+ */
+ brcmf_delay(500);
+ }
+
+ brcmf_abort_scanning(cfg);
+ clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
+
+ return 0;
+}
+
+s32 brcmf_cfg80211_up(struct net_device *ndev)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
+ s32 err = 0;
+
+ mutex_lock(&cfg->usr_sync);
+ err = __brcmf_cfg80211_up(ifp);
+ mutex_unlock(&cfg->usr_sync);
+
+ return err;
+}
+
+s32 brcmf_cfg80211_down(struct net_device *ndev)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
+ s32 err = 0;
+
+ mutex_lock(&cfg->usr_sync);
+ err = __brcmf_cfg80211_down(ifp);
+ mutex_unlock(&cfg->usr_sync);
+
+ return err;
+}
+
+enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
+{
+ struct wireless_dev *wdev = &ifp->vif->wdev;
+
+ return wdev->iftype;
+}
+
+bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
+ unsigned long state)
+{
+ struct brcmf_cfg80211_vif *vif;
+
+ list_for_each_entry(vif, &cfg->vif_list, list) {
+ if (test_bit(state, &vif->sme_state))
+ return true;
+ }
+ return false;
+}
+
+static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
+ u8 action)
+{
+ u8 evt_action;
+
+ mutex_lock(&event->vif_event_lock);
+ evt_action = event->action;
+ mutex_unlock(&event->vif_event_lock);
+ return evt_action == action;
+}
+
+void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_cfg80211_vif *vif)
+{
+ struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
+
+ mutex_lock(&event->vif_event_lock);
+ event->vif = vif;
+ event->action = 0;
+ mutex_unlock(&event->vif_event_lock);
+}
+
+bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
+{
+ struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
+ bool armed;
+
+ mutex_lock(&event->vif_event_lock);
+ armed = event->vif != NULL;
+ mutex_unlock(&event->vif_event_lock);
+
+ return armed;
+}
+int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
+ u8 action, ulong timeout)
+{
+ struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
+
+ return wait_event_timeout(event->vif_wq,
+ vif_event_equals(event, action), timeout);
+}
+
+static void brcmf_free_wiphy(struct wiphy *wiphy)
+{
+ kfree(wiphy->iface_combinations);
+ if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
+ kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
+ kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
+ }
+ if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
+ kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
+ kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
+ }
+ wiphy_free(wiphy);
+}
+
+struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
+ struct device *busdev)
+{
+ struct net_device *ndev = drvr->iflist[0]->ndev;
+ struct brcmf_cfg80211_info *cfg;
+ struct wiphy *wiphy;
+ struct brcmf_cfg80211_vif *vif;
+ struct brcmf_if *ifp;
+ s32 err = 0;
+ s32 io_type;
+ u16 *cap = NULL;
+
+ if (!ndev) {
+ brcmf_err("ndev is invalid\n");
+ return NULL;
+ }
+
+ ifp = netdev_priv(ndev);
+ wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
+ if (!wiphy) {
+ brcmf_err("Could not allocate wiphy device\n");
+ return NULL;
+ }
+ set_wiphy_dev(wiphy, busdev);
+
+ cfg = wiphy_priv(wiphy);
+ cfg->wiphy = wiphy;
+ cfg->pub = drvr;
+ init_vif_event(&cfg->vif_event);
+ INIT_LIST_HEAD(&cfg->vif_list);
+
+ vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
+ if (IS_ERR(vif))
+ goto wiphy_out;
+
+ vif->ifp = ifp;
+ vif->wdev.netdev = ndev;
+ ndev->ieee80211_ptr = &vif->wdev;
+ SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
+
+ err = wl_init_priv(cfg);
+ if (err) {
+ brcmf_err("Failed to init iwm_priv (%d)\n", err);
+ brcmf_free_vif(vif);
+ goto wiphy_out;
+ }
+ ifp->vif = vif;
+
+ /* determine d11 io type before wiphy setup */
+ err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
+ if (err) {
+ brcmf_err("Failed to get D11 version (%d)\n", err);
+ goto priv_out;
+ }
+ cfg->d11inf.io_type = (u8)io_type;
+ brcmu_d11_attach(&cfg->d11inf);
+
+ err = brcmf_setup_wiphy(wiphy, ifp);
+ if (err < 0)
+ goto priv_out;
+
+ brcmf_dbg(INFO, "Registering custom regulatory\n");
+ wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
+ wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
+
+ /* firmware defaults to 40MHz disabled in 2G band. We signal
+ * cfg80211 here that we do and have it decide we can enable
+ * it. But first check if device does support 2G operation.
+ */
+ if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
+ cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
+ *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ }
+ err = wiphy_register(wiphy);
+ if (err < 0) {
+ brcmf_err("Could not register wiphy device (%d)\n", err);
+ goto priv_out;
+ }
+
+ /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
+ * setup 40MHz in 2GHz band and enable OBSS scanning.
+ */
+ if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
+ err = brcmf_enable_bw40_2g(cfg);
+ if (!err)
+ err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
+ BRCMF_OBSS_COEX_AUTO);
+ else
+ *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ }
+
+ err = brcmf_p2p_attach(cfg);
+ if (err) {
+ brcmf_err("P2P initilisation failed (%d)\n", err);
+ goto wiphy_unreg_out;
+ }
+ err = brcmf_btcoex_attach(cfg);
+ if (err) {
+ brcmf_err("BT-coex initialisation failed (%d)\n", err);
+ brcmf_p2p_detach(&cfg->p2p);
+ goto wiphy_unreg_out;
+ }
+
+ err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
+ if (err) {
+ brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
+ wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
+ } else {
+ brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
+ brcmf_notify_tdls_peer_event);
+ }
+
+ return cfg;
+
+wiphy_unreg_out:
+ wiphy_unregister(cfg->wiphy);
+priv_out:
+ wl_deinit_priv(cfg);
+ brcmf_free_vif(vif);
+wiphy_out:
+ brcmf_free_wiphy(wiphy);
+ return NULL;
+}
+
+void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
+{
+ if (!cfg)
+ return;
+
+ WARN_ON(!list_empty(&cfg->vif_list));
+ wiphy_unregister(cfg->wiphy);
+ brcmf_btcoex_detach(cfg);
+ brcmf_p2p_detach(&cfg->p2p);
+ wl_deinit_priv(cfg);
+ brcmf_free_wiphy(cfg->wiphy);
+}
--- /dev/null
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef BRCMFMAC_CFG80211_H
+#define BRCMFMAC_CFG80211_H
+
+/* for brcmu_d11inf */
+#include <brcmu_d11.h>
+
+#define WL_NUM_SCAN_MAX 10
+#define WL_NUM_PMKIDS_MAX MAXPMKID
+#define WL_TLV_INFO_MAX 1024
+#define WL_BSS_INFO_MAX 2048
+#define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */
+#define WL_EXTRA_BUF_MAX 2048
+#define WL_ROAM_TRIGGER_LEVEL -75
+#define WL_ROAM_DELTA 20
+#define WL_BEACON_TIMEOUT 3
+
+#define WL_SCAN_CHANNEL_TIME 40
+#define WL_SCAN_UNASSOC_TIME 40
+#define WL_SCAN_PASSIVE_TIME 120
+
+#define WL_ESCAN_BUF_SIZE (1024 * 64)
+#define WL_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */
+
+#define WL_ESCAN_ACTION_START 1
+#define WL_ESCAN_ACTION_CONTINUE 2
+#define WL_ESCAN_ACTION_ABORT 3
+
+#define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */
+#define IE_MAX_LEN 512
+
+/* IE TLV processing */
+#define TLV_LEN_OFF 1 /* length offset */
+#define TLV_HDR_LEN 2 /* header length */
+#define TLV_BODY_OFF 2 /* body offset */
+#define TLV_OUI_LEN 3 /* oui id length */
+
+/* 802.11 Mgmt Packet flags */
+#define BRCMF_VNDR_IE_BEACON_FLAG 0x1
+#define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2
+#define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4
+#define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8
+#define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10
+#define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20
+/* vendor IE in IW advertisement protocol ID field */
+#define BRCMF_VNDR_IE_IWAPID_FLAG 0x40
+/* allow custom IE id */
+#define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100
+
+/* P2P Action Frames flags (spec ordered) */
+#define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000
+#define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000
+#define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000
+#define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000
+#define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000
+#define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000
+#define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000
+#define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000
+#define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000
+
+#define BRCMF_VNDR_IE_P2PAF_SHIFT 12
+
+
+/**
+ * enum brcmf_scan_status - scan engine status
+ *
+ * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
+ * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
+ * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver.
+ */
+enum brcmf_scan_status {
+ BRCMF_SCAN_STATUS_BUSY,
+ BRCMF_SCAN_STATUS_ABORT,
+ BRCMF_SCAN_STATUS_SUPPRESS,
+};
+
+/* dongle configuration */
+struct brcmf_cfg80211_conf {
+ u32 frag_threshold;
+ u32 rts_threshold;
+ u32 retry_short;
+ u32 retry_long;
+ s32 tx_power;
+ struct ieee80211_channel channel;
+};
+
+/* basic structure of scan request */
+struct brcmf_cfg80211_scan_req {
+ struct brcmf_ssid_le ssid_le;
+};
+
+/* basic structure of information element */
+struct brcmf_cfg80211_ie {
+ u16 offset;
+ u8 buf[WL_TLV_INFO_MAX];
+};
+
+/* security information with currently associated ap */
+struct brcmf_cfg80211_security {
+ u32 wpa_versions;
+ u32 auth_type;
+ u32 cipher_pairwise;
+ u32 cipher_group;
+ u32 wpa_auth;
+};
+
+/**
+ * struct brcmf_cfg80211_profile - profile information.
+ *
+ * @ssid: ssid of associated/associating ap.
+ * @bssid: bssid of joined/joining ibss.
+ * @sec: security information.
+ */
+struct brcmf_cfg80211_profile {
+ struct brcmf_ssid ssid;
+ u8 bssid[ETH_ALEN];
+ struct brcmf_cfg80211_security sec;
+};
+
+/**
+ * enum brcmf_vif_status - bit indices for vif status.
+ *
+ * @BRCMF_VIF_STATUS_READY: ready for operation.
+ * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
+ * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully.
+ * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress.
+ * @BRCMF_VIF_STATUS_AP_CREATING: interface configured for AP operation.
+ * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
+ */
+enum brcmf_vif_status {
+ BRCMF_VIF_STATUS_READY,
+ BRCMF_VIF_STATUS_CONNECTING,
+ BRCMF_VIF_STATUS_CONNECTED,
+ BRCMF_VIF_STATUS_DISCONNECTING,
+ BRCMF_VIF_STATUS_AP_CREATING,
+ BRCMF_VIF_STATUS_AP_CREATED
+};
+
+/**
+ * struct vif_saved_ie - holds saved IEs for a virtual interface.
+ *
+ * @probe_req_ie: IE info for probe request.
+ * @probe_res_ie: IE info for probe response.
+ * @beacon_ie: IE info for beacon frame.
+ * @probe_req_ie_len: IE info length for probe request.
+ * @probe_res_ie_len: IE info length for probe response.
+ * @beacon_ie_len: IE info length for beacon frame.
+ */
+struct vif_saved_ie {
+ u8 probe_req_ie[IE_MAX_LEN];
+ u8 probe_res_ie[IE_MAX_LEN];
+ u8 beacon_ie[IE_MAX_LEN];
+ u8 assoc_req_ie[IE_MAX_LEN];
+ u32 probe_req_ie_len;
+ u32 probe_res_ie_len;
+ u32 beacon_ie_len;
+ u32 assoc_req_ie_len;
+};
+
+/**
+ * struct brcmf_cfg80211_vif - virtual interface specific information.
+ *
+ * @ifp: lower layer interface pointer
+ * @wdev: wireless device.
+ * @profile: profile information.
+ * @roam_off: roaming state.
+ * @sme_state: SME state using enum brcmf_vif_status bits.
+ * @pm_block: power-management blocked.
+ * @list: linked list.
+ * @mgmt_rx_reg: registered rx mgmt frame types.
+ */
+struct brcmf_cfg80211_vif {
+ struct brcmf_if *ifp;
+ struct wireless_dev wdev;
+ struct brcmf_cfg80211_profile profile;
+ s32 roam_off;
+ unsigned long sme_state;
+ bool pm_block;
+ struct vif_saved_ie saved_ie;
+ struct list_head list;
+ u16 mgmt_rx_reg;
+};
+
+/* association inform */
+struct brcmf_cfg80211_connect_info {
+ u8 *req_ie;
+ s32 req_ie_len;
+ u8 *resp_ie;
+ s32 resp_ie_len;
+};
+
+/* assoc ie length */
+struct brcmf_cfg80211_assoc_ielen_le {
+ __le32 req_len;
+ __le32 resp_len;
+};
+
+/* wpa2 pmk list */
+struct brcmf_cfg80211_pmk_list {
+ struct pmkid_list pmkids;
+ struct pmkid foo[MAXPMKID - 1];
+};
+
+/* dongle escan state */
+enum wl_escan_state {
+ WL_ESCAN_STATE_IDLE,
+ WL_ESCAN_STATE_SCANNING
+};
+
+struct escan_info {
+ u32 escan_state;
+ u8 escan_buf[WL_ESCAN_BUF_SIZE];
+ struct wiphy *wiphy;
+ struct brcmf_if *ifp;
+ s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
+ struct cfg80211_scan_request *request, u16 action);
+};
+
+/**
+ * struct brcmf_pno_param_le - PNO scan configuration parameters
+ *
+ * @version: PNO parameters version.
+ * @scan_freq: scan frequency.
+ * @lost_network_timeout: #sec. to declare discovered network as lost.
+ * @flags: Bit field to control features of PFN such as sort criteria auto
+ * enable switch and background scan.
+ * @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort
+ * criteria.
+ * @bestn: number of best networks in each scan.
+ * @mscan: number of scans recorded.
+ * @repeat: minimum number of scan intervals before scan frequency changes
+ * in adaptive scan.
+ * @exp: exponent of 2 for maximum scan interval.
+ * @slow_freq: slow scan period.
+ */
+struct brcmf_pno_param_le {
+ __le32 version;
+ __le32 scan_freq;
+ __le32 lost_network_timeout;
+ __le16 flags;
+ __le16 rssi_margin;
+ u8 bestn;
+ u8 mscan;
+ u8 repeat;
+ u8 exp;
+ __le32 slow_freq;
+};
+
+/**
+ * struct brcmf_pno_net_param_le - scan parameters per preferred network.
+ *
+ * @ssid: ssid name and its length.
+ * @flags: bit2: hidden.
+ * @infra: BSS vs IBSS.
+ * @auth: Open vs Closed.
+ * @wpa_auth: WPA type.
+ * @wsec: wsec value.
+ */
+struct brcmf_pno_net_param_le {
+ struct brcmf_ssid_le ssid;
+ __le32 flags;
+ __le32 infra;
+ __le32 auth;
+ __le32 wpa_auth;
+ __le32 wsec;
+};
+
+/**
+ * struct brcmf_pno_net_info_le - information per found network.
+ *
+ * @bssid: BSS network identifier.
+ * @channel: channel number only.
+ * @SSID_len: length of ssid.
+ * @SSID: ssid characters.
+ * @RSSI: receive signal strength (in dBm).
+ * @timestamp: age in seconds.
+ */
+struct brcmf_pno_net_info_le {
+ u8 bssid[ETH_ALEN];
+ u8 channel;
+ u8 SSID_len;
+ u8 SSID[32];
+ __le16 RSSI;
+ __le16 timestamp;
+};
+
+/**
+ * struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event.
+ *
+ * @version: PNO version identifier.
+ * @status: indicates completion status of PNO scan.
+ * @count: amount of brcmf_pno_net_info_le entries appended.
+ */
+struct brcmf_pno_scanresults_le {
+ __le32 version;
+ __le32 status;
+ __le32 count;
+};
+
+/**
+ * struct brcmf_cfg80211_vif_event - virtual interface event information.
+ *
+ * @vif_wq: waitqueue awaiting interface event from firmware.
+ * @vif_event_lock: protects other members in this structure.
+ * @vif_complete: completion for net attach.
+ * @action: either add, change, or delete.
+ * @vif: virtual interface object related to the event.
+ */
+struct brcmf_cfg80211_vif_event {
+ wait_queue_head_t vif_wq;
+ struct mutex vif_event_lock;
+ u8 action;
+ struct brcmf_cfg80211_vif *vif;
+};
+
+/**
+ * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
+ *
+ * @wiphy: wiphy object for cfg80211 interface.
+ * @conf: dongle configuration.
+ * @p2p: peer-to-peer specific information.
+ * @btcoex: Bluetooth coexistence information.
+ * @scan_request: cfg80211 scan request object.
+ * @usr_sync: mainly for dongle up/down synchronization.
+ * @bss_list: bss_list holding scanned ap information.
+ * @scan_req_int: internal scan request object.
+ * @bss_info: bss information for cfg80211 layer.
+ * @ie: information element object for internal purpose.
+ * @conn_info: association info.
+ * @pmk_list: wpa2 pmk list.
+ * @scan_status: scan activity on the dongle.
+ * @pub: common driver information.
+ * @channel: current channel.
+ * @active_scan: current scan mode.
+ * @sched_escan: e-scan for scheduled scan support running.
+ * @ibss_starter: indicates this sta is ibss starter.
+ * @pwr_save: indicate whether dongle to support power save mode.
+ * @dongle_up: indicate whether dongle up or not.
+ * @roam_on: on/off switch for dongle self-roaming.
+ * @scan_tried: indicates if first scan attempted.
+ * @dcmd_buf: dcmd buffer.
+ * @extra_buf: mainly to grab assoc information.
+ * @debugfsdir: debugfs folder for this device.
+ * @escan_info: escan information.
+ * @escan_timeout: Timer for catch scan timeout.
+ * @escan_timeout_work: scan timeout worker.
+ * @escan_ioctl_buf: dongle command buffer for escan commands.
+ * @vif_list: linked list of vif instances.
+ * @vif_cnt: number of vif instances.
+ * @vif_event: vif event signalling.
+ * @wowl_enabled; set during suspend, is wowl used.
+ * @pre_wowl_pmmode: intermediate storage of pm mode during wowl.
+ */
+struct brcmf_cfg80211_info {
+ struct wiphy *wiphy;
+ struct brcmf_cfg80211_conf *conf;
+ struct brcmf_p2p_info p2p;
+ struct brcmf_btcoex_info *btcoex;
+ struct cfg80211_scan_request *scan_request;
+ struct mutex usr_sync;
+ struct brcmf_cfg80211_scan_req scan_req_int;
+ struct wl_cfg80211_bss_info *bss_info;
+ struct brcmf_cfg80211_ie ie;
+ struct brcmf_cfg80211_connect_info conn_info;
+ struct brcmf_cfg80211_pmk_list *pmk_list;
+ unsigned long scan_status;
+ struct brcmf_pub *pub;
+ u32 channel;
+ bool active_scan;
+ bool sched_escan;
+ bool ibss_starter;
+ bool pwr_save;
+ bool dongle_up;
+ bool scan_tried;
+ u8 *dcmd_buf;
+ u8 *extra_buf;
+ struct dentry *debugfsdir;
+ struct escan_info escan_info;
+ struct timer_list escan_timeout;
+ struct work_struct escan_timeout_work;
+ u8 *escan_ioctl_buf;
+ struct list_head vif_list;
+ struct brcmf_cfg80211_vif_event vif_event;
+ struct completion vif_disabled;
+ struct brcmu_d11inf d11inf;
+ bool wowl_enabled;
+ u32 pre_wowl_pmmode;
+};
+
+/**
+ * struct brcmf_tlv - tag_ID/length/value_buffer tuple.
+ *
+ * @id: tag identifier.
+ * @len: number of bytes in value buffer.
+ * @data: value buffer.
+ */
+struct brcmf_tlv {
+ u8 id;
+ u8 len;
+ u8 data[1];
+};
+
+static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
+{
+ return cfg->wiphy;
+}
+
+static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w)
+{
+ return (struct brcmf_cfg80211_info *)(wiphy_priv(w));
+}
+
+static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd)
+{
+ return (struct brcmf_cfg80211_info *)(wdev_priv(wd));
+}
+
+static inline
+struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
+{
+ struct brcmf_cfg80211_vif *vif;
+ vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list);
+ return vif->wdev.netdev;
+}
+
+static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev)
+{
+ return wdev_to_cfg(ndev->ieee80211_ptr);
+}
+
+static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd)
+{
+ struct brcmf_if *ifp = netdev_priv(nd);
+ return &ifp->vif->profile;
+}
+
+static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev)
+{
+ struct brcmf_if *ifp = netdev_priv(ndev);
+ return ifp->vif;
+}
+
+static inline struct
+brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg)
+{
+ return &cfg->conn_info;
+}
+
+struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
+ struct device *busdev);
+void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
+s32 brcmf_cfg80211_up(struct net_device *ndev);
+s32 brcmf_cfg80211_down(struct net_device *ndev);
+enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);
+
+struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
+ enum nl80211_iftype type,
+ bool pm_block);
+void brcmf_free_vif(struct brcmf_cfg80211_vif *vif);
+
+s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
+ const u8 *vndr_ie_buf, u32 vndr_ie_len);
+s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif);
+const struct brcmf_tlv *
+brcmf_parse_tlvs(const void *buf, int buflen, uint key);
+u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
+ struct ieee80211_channel *ch);
+bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
+ unsigned long state);
+void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_cfg80211_vif *vif);
+bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
+int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
+ u8 action, ulong timeout);
+s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
+ struct brcmf_if *ifp, bool aborted,
+ bool fw_abort);
+void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
+void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);
+void brcmf_cfg80211_free_netdev(struct net_device *ndev);
+
+#endif /* BRCMFMAC_CFG80211_H */
#include "debug.h"
#include "fwil_types.h"
#include "p2p.h"
-#include "wl_cfg80211.h"
+#include "cfg80211.h"
#include "fwil.h"
#include "fwsignal.h"
#include "feature.h"
#include "fweh.h"
#include "fwsignal.h"
#include "p2p.h"
-#include "wl_cfg80211.h"
+#include "cfg80211.h"
#include "proto.h"
/**
#include "fwil.h"
#include "fwil_types.h"
#include "p2p.h"
-#include "wl_cfg80211.h"
+#include "cfg80211.h"
/* parameters used for p2p escan */
#define P2PAPI_SCAN_NPROBES 1
#include "dhd.h"
#include "p2p.h"
#include "debug.h"
-#include "wl_cfg80211.h"
+#include "cfg80211.h"
#include "vendor.h"
#include "fwil.h"
+++ /dev/null
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-/* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */
-
-#include <linux/kernel.h>
-#include <linux/etherdevice.h>
-#include <linux/module.h>
-#include <linux/vmalloc.h>
-#include <net/cfg80211.h>
-#include <net/netlink.h>
-
-#include <brcmu_utils.h>
-#include <defs.h>
-#include <brcmu_wifi.h>
-#include "dhd.h"
-#include "debug.h"
-#include "tracepoint.h"
-#include "fwil_types.h"
-#include "p2p.h"
-#include "btcoex.h"
-#include "wl_cfg80211.h"
-#include "feature.h"
-#include "fwil.h"
-#include "proto.h"
-#include "vendor.h"
-#include "bus.h"
-
-#define BRCMF_SCAN_IE_LEN_MAX 2048
-#define BRCMF_PNO_VERSION 2
-#define BRCMF_PNO_TIME 30
-#define BRCMF_PNO_REPEAT 4
-#define BRCMF_PNO_FREQ_EXPO_MAX 3
-#define BRCMF_PNO_MAX_PFN_COUNT 16
-#define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6
-#define BRCMF_PNO_HIDDEN_BIT 2
-#define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF
-#define BRCMF_PNO_SCAN_COMPLETE 1
-#define BRCMF_PNO_SCAN_INCOMPLETE 0
-
-#define BRCMF_IFACE_MAX_CNT 3
-
-#define WPA_OUI "\x00\x50\xF2" /* WPA OUI */
-#define WPA_OUI_TYPE 1
-#define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */
-#define WME_OUI_TYPE 2
-#define WPS_OUI_TYPE 4
-
-#define VS_IE_FIXED_HDR_LEN 6
-#define WPA_IE_VERSION_LEN 2
-#define WPA_IE_MIN_OUI_LEN 4
-#define WPA_IE_SUITE_COUNT_LEN 2
-
-#define WPA_CIPHER_NONE 0 /* None */
-#define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */
-#define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */
-#define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */
-#define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */
-
-#define RSN_AKM_NONE 0 /* None (IBSS) */
-#define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */
-#define RSN_AKM_PSK 2 /* Pre-shared Key */
-#define RSN_CAP_LEN 2 /* Length of RSN capabilities */
-#define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C
-
-#define VNDR_IE_CMD_LEN 4 /* length of the set command
- * string :"add", "del" (+ NUL)
- */
-#define VNDR_IE_COUNT_OFFSET 4
-#define VNDR_IE_PKTFLAG_OFFSET 8
-#define VNDR_IE_VSIE_OFFSET 12
-#define VNDR_IE_HDR_SIZE 12
-#define VNDR_IE_PARSE_LIMIT 5
-
-#define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */
-#define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */
-
-#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320
-#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400
-#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20
-
-#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
- (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
-
-static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
-{
- if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
- brcmf_dbg(INFO, "device is not ready : status (%lu)\n",
- vif->sme_state);
- return false;
- }
- return true;
-}
-
-#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
-#define RATETAB_ENT(_rateid, _flags) \
- { \
- .bitrate = RATE_TO_BASE100KBPS(_rateid), \
- .hw_value = (_rateid), \
- .flags = (_flags), \
- }
-
-static struct ieee80211_rate __wl_rates[] = {
- RATETAB_ENT(BRCM_RATE_1M, 0),
- RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
- RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
- RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
- RATETAB_ENT(BRCM_RATE_6M, 0),
- RATETAB_ENT(BRCM_RATE_9M, 0),
- RATETAB_ENT(BRCM_RATE_12M, 0),
- RATETAB_ENT(BRCM_RATE_18M, 0),
- RATETAB_ENT(BRCM_RATE_24M, 0),
- RATETAB_ENT(BRCM_RATE_36M, 0),
- RATETAB_ENT(BRCM_RATE_48M, 0),
- RATETAB_ENT(BRCM_RATE_54M, 0),
-};
-
-#define wl_a_rates (__wl_rates + 4)
-#define wl_a_rates_size 8
-#define wl_g_rates (__wl_rates + 0)
-#define wl_g_rates_size 12
-
-/* Band templates duplicated per wiphy. The channel info
- * is filled in after querying the device.
- */
-static const struct ieee80211_supported_band __wl_band_2ghz = {
- .band = IEEE80211_BAND_2GHZ,
- .bitrates = wl_g_rates,
- .n_bitrates = wl_g_rates_size,
-};
-
-static const struct ieee80211_supported_band __wl_band_5ghz_a = {
- .band = IEEE80211_BAND_5GHZ,
- .bitrates = wl_a_rates,
- .n_bitrates = wl_a_rates_size,
-};
-
-/* This is to override regulatory domains defined in cfg80211 module (reg.c)
- * By default world regulatory domain defined in reg.c puts the flags
- * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165).
- * With respect to these flags, wpa_supplicant doesn't * start p2p
- * operations on 5GHz channels. All the changes in world regulatory
- * domain are to be done here.
- */
-static const struct ieee80211_regdomain brcmf_regdom = {
- .n_reg_rules = 4,
- .alpha2 = "99",
- .reg_rules = {
- /* IEEE 802.11b/g, channels 1..11 */
- REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
- /* If any */
- /* IEEE 802.11 channel 14 - Only JP enables
- * this and for 802.11b only
- */
- REG_RULE(2484-10, 2484+10, 20, 6, 20, 0),
- /* IEEE 802.11a, channel 36..64 */
- REG_RULE(5150-10, 5350+10, 80, 6, 20, 0),
- /* IEEE 802.11a, channel 100..165 */
- REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), }
-};
-
-static const u32 __wl_cipher_suites[] = {
- WLAN_CIPHER_SUITE_WEP40,
- WLAN_CIPHER_SUITE_WEP104,
- WLAN_CIPHER_SUITE_TKIP,
- WLAN_CIPHER_SUITE_CCMP,
- WLAN_CIPHER_SUITE_AES_CMAC,
-};
-
-/* Vendor specific ie. id = 221, oui and type defines exact ie */
-struct brcmf_vs_tlv {
- u8 id;
- u8 len;
- u8 oui[3];
- u8 oui_type;
-};
-
-struct parsed_vndr_ie_info {
- u8 *ie_ptr;
- u32 ie_len; /* total length including id & length field */
- struct brcmf_vs_tlv vndrie;
-};
-
-struct parsed_vndr_ies {
- u32 count;
- struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT];
-};
-
-static int brcmf_roamoff;
-module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR);
-MODULE_PARM_DESC(roamoff, "do not use internal roaming engine");
-
-/* Quarter dBm units to mW
- * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
- * Table is offset so the last entry is largest mW value that fits in
- * a u16.
- */
-
-#define QDBM_OFFSET 153 /* Offset for first entry */
-#define QDBM_TABLE_LEN 40 /* Table size */
-
-/* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
- * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
- */
-#define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */
-
-/* Largest mW value that will round down to the last table entry,
- * QDBM_OFFSET + QDBM_TABLE_LEN-1.
- * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) +
- * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
- */
-#define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */
-
-static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
-/* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
-/* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
-/* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
-/* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
-/* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
-/* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
-};
-
-static u16 brcmf_qdbm_to_mw(u8 qdbm)
-{
- uint factor = 1;
- int idx = qdbm - QDBM_OFFSET;
-
- if (idx >= QDBM_TABLE_LEN)
- /* clamp to max u16 mW value */
- return 0xFFFF;
-
- /* scale the qdBm index up to the range of the table 0-40
- * where an offset of 40 qdBm equals a factor of 10 mW.
- */
- while (idx < 0) {
- idx += 40;
- factor *= 10;
- }
-
- /* return the mW value scaled down to the correct factor of 10,
- * adding in factor/2 to get proper rounding.
- */
- return (nqdBm_to_mW_map[idx] + factor / 2) / factor;
-}
-
-static u8 brcmf_mw_to_qdbm(u16 mw)
-{
- u8 qdbm;
- int offset;
- uint mw_uint = mw;
- uint boundary;
-
- /* handle boundary case */
- if (mw_uint <= 1)
- return 0;
-
- offset = QDBM_OFFSET;
-
- /* move mw into the range of the table */
- while (mw_uint < QDBM_TABLE_LOW_BOUND) {
- mw_uint *= 10;
- offset -= 40;
- }
-
- for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) {
- boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] -
- nqdBm_to_mW_map[qdbm]) / 2;
- if (mw_uint < boundary)
- break;
- }
-
- qdbm += (u8) offset;
-
- return qdbm;
-}
-
-static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf,
- struct cfg80211_chan_def *ch)
-{
- struct brcmu_chan ch_inf;
- s32 primary_offset;
-
- brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n",
- ch->chan->center_freq, ch->center_freq1, ch->width);
- ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1);
- primary_offset = ch->center_freq1 - ch->chan->center_freq;
- switch (ch->width) {
- case NL80211_CHAN_WIDTH_20:
- ch_inf.bw = BRCMU_CHAN_BW_20;
- WARN_ON(primary_offset != 0);
- break;
- case NL80211_CHAN_WIDTH_40:
- ch_inf.bw = BRCMU_CHAN_BW_40;
- if (primary_offset < 0)
- ch_inf.sb = BRCMU_CHAN_SB_U;
- else
- ch_inf.sb = BRCMU_CHAN_SB_L;
- break;
- case NL80211_CHAN_WIDTH_80:
- ch_inf.bw = BRCMU_CHAN_BW_80;
- if (primary_offset < 0) {
- if (primary_offset < -CH_10MHZ_APART)
- ch_inf.sb = BRCMU_CHAN_SB_UU;
- else
- ch_inf.sb = BRCMU_CHAN_SB_UL;
- } else {
- if (primary_offset > CH_10MHZ_APART)
- ch_inf.sb = BRCMU_CHAN_SB_LL;
- else
- ch_inf.sb = BRCMU_CHAN_SB_LU;
- }
- break;
- default:
- WARN_ON_ONCE(1);
- }
- switch (ch->chan->band) {
- case IEEE80211_BAND_2GHZ:
- ch_inf.band = BRCMU_CHAN_BAND_2G;
- break;
- case IEEE80211_BAND_5GHZ:
- ch_inf.band = BRCMU_CHAN_BAND_5G;
- break;
- default:
- WARN_ON_ONCE(1);
- }
- d11inf->encchspec(&ch_inf);
-
- return ch_inf.chspec;
-}
-
-u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
- struct ieee80211_channel *ch)
-{
- struct brcmu_chan ch_inf;
-
- ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq);
- ch_inf.bw = BRCMU_CHAN_BW_20;
- d11inf->encchspec(&ch_inf);
-
- return ch_inf.chspec;
-}
-
-/* Traverse a string of 1-byte tag/1-byte length/variable-length value
- * triples, returning a pointer to the substring whose first element
- * matches tag
- */
-const struct brcmf_tlv *
-brcmf_parse_tlvs(const void *buf, int buflen, uint key)
-{
- const struct brcmf_tlv *elt = buf;
- int totlen = buflen;
-
- /* find tagged parameter */
- while (totlen >= TLV_HDR_LEN) {
- int len = elt->len;
-
- /* validate remaining totlen */
- if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN)))
- return elt;
-
- elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN));
- totlen -= (len + TLV_HDR_LEN);
- }
-
- return NULL;
-}
-
-/* Is any of the tlvs the expected entry? If
- * not update the tlvs buffer pointer/length.
- */
-static bool
-brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len,
- const u8 *oui, u32 oui_len, u8 type)
-{
- /* If the contents match the OUI and the type */
- if (ie[TLV_LEN_OFF] >= oui_len + 1 &&
- !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) &&
- type == ie[TLV_BODY_OFF + oui_len]) {
- return true;
- }
-
- if (tlvs == NULL)
- return false;
- /* point to the next ie */
- ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN;
- /* calculate the length of the rest of the buffer */
- *tlvs_len -= (int)(ie - *tlvs);
- /* update the pointer to the start of the buffer */
- *tlvs = ie;
-
- return false;
-}
-
-static struct brcmf_vs_tlv *
-brcmf_find_wpaie(const u8 *parse, u32 len)
-{
- const struct brcmf_tlv *ie;
-
- while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
- if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len,
- WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE))
- return (struct brcmf_vs_tlv *)ie;
- }
- return NULL;
-}
-
-static struct brcmf_vs_tlv *
-brcmf_find_wpsie(const u8 *parse, u32 len)
-{
- const struct brcmf_tlv *ie;
-
- while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) {
- if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len,
- WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE))
- return (struct brcmf_vs_tlv *)ie;
- }
- return NULL;
-}
-
-
-static void convert_key_from_CPU(struct brcmf_wsec_key *key,
- struct brcmf_wsec_key_le *key_le)
-{
- key_le->index = cpu_to_le32(key->index);
- key_le->len = cpu_to_le32(key->len);
- key_le->algo = cpu_to_le32(key->algo);
- key_le->flags = cpu_to_le32(key->flags);
- key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
- key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
- key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
- memcpy(key_le->data, key->data, sizeof(key->data));
- memcpy(key_le->ea, key->ea, sizeof(key->ea));
-}
-
-static int
-send_key_to_dongle(struct net_device *ndev, struct brcmf_wsec_key *key)
-{
- int err;
- struct brcmf_wsec_key_le key_le;
-
- convert_key_from_CPU(key, &key_le);
-
- brcmf_netdev_wait_pend8021x(ndev);
-
- err = brcmf_fil_bsscfg_data_set(netdev_priv(ndev), "wsec_key", &key_le,
- sizeof(key_le));
-
- if (err)
- brcmf_err("wsec_key error (%d)\n", err);
- return err;
-}
-
-static s32
-brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
-{
- s32 err;
- u32 mode;
-
- if (enable)
- mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
- else
- mode = 0;
-
- /* Try to set and enable ARP offload feature, this may fail, then it */
- /* is simply not supported and err 0 will be returned */
- err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
- if (err) {
- brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
- mode, err);
- err = 0;
- } else {
- err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
- if (err) {
- brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
- enable, err);
- err = 0;
- } else
- brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
- enable, mode);
- }
-
- return err;
-}
-
-static void
-brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
-{
- struct brcmf_cfg80211_vif *vif;
- struct brcmf_if *ifp;
-
- vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
- ifp = vif->ifp;
-
- if ((wdev->iftype == NL80211_IFTYPE_ADHOC) ||
- (wdev->iftype == NL80211_IFTYPE_AP) ||
- (wdev->iftype == NL80211_IFTYPE_P2P_GO))
- brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
- ADDR_DIRECT);
- else
- brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx,
- ADDR_INDIRECT);
-}
-
-static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif)
-{
- enum nl80211_iftype iftype;
-
- iftype = vif->wdev.iftype;
- return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO;
-}
-
-static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif)
-{
- return vif->wdev.iftype == NL80211_IFTYPE_ADHOC;
-}
-
-static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
- const char *name,
- enum nl80211_iftype type,
- u32 *flags,
- struct vif_params *params)
-{
- struct wireless_dev *wdev;
-
- brcmf_dbg(TRACE, "enter: %s type %d\n", name, type);
- switch (type) {
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_AP_VLAN:
- case NL80211_IFTYPE_WDS:
- case NL80211_IFTYPE_MONITOR:
- case NL80211_IFTYPE_MESH_POINT:
- return ERR_PTR(-EOPNOTSUPP);
- case NL80211_IFTYPE_P2P_CLIENT:
- case NL80211_IFTYPE_P2P_GO:
- case NL80211_IFTYPE_P2P_DEVICE:
- wdev = brcmf_p2p_add_vif(wiphy, name, type, flags, params);
- if (!IS_ERR(wdev))
- brcmf_cfg80211_update_proto_addr_mode(wdev);
- return wdev;
- case NL80211_IFTYPE_UNSPECIFIED:
- default:
- return ERR_PTR(-EINVAL);
- }
-}
-
-static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc)
-{
- if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC))
- brcmf_set_mpc(ifp, mpc);
-}
-
-void brcmf_set_mpc(struct brcmf_if *ifp, int mpc)
-{
- s32 err = 0;
-
- if (check_vif_up(ifp->vif)) {
- err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
- if (err) {
- brcmf_err("fail to set mpc\n");
- return;
- }
- brcmf_dbg(INFO, "MPC : %d\n", mpc);
- }
-}
-
-s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
- struct brcmf_if *ifp, bool aborted,
- bool fw_abort)
-{
- struct brcmf_scan_params_le params_le;
- struct cfg80211_scan_request *scan_request;
- s32 err = 0;
-
- brcmf_dbg(SCAN, "Enter\n");
-
- /* clear scan request, because the FW abort can cause a second call */
- /* to this functon and might cause a double cfg80211_scan_done */
- scan_request = cfg->scan_request;
- cfg->scan_request = NULL;
-
- if (timer_pending(&cfg->escan_timeout))
- del_timer_sync(&cfg->escan_timeout);
-
- if (fw_abort) {
- /* Do a scan abort to stop the driver's scan engine */
- brcmf_dbg(SCAN, "ABORT scan in firmware\n");
- memset(¶ms_le, 0, sizeof(params_le));
- memset(params_le.bssid, 0xFF, ETH_ALEN);
- params_le.bss_type = DOT11_BSSTYPE_ANY;
- params_le.scan_type = 0;
- params_le.channel_num = cpu_to_le32(1);
- params_le.nprobes = cpu_to_le32(1);
- params_le.active_time = cpu_to_le32(-1);
- params_le.passive_time = cpu_to_le32(-1);
- params_le.home_time = cpu_to_le32(-1);
- /* Scan is aborted by setting channel_list[0] to -1 */
- params_le.channel_list[0] = cpu_to_le16(-1);
- /* E-Scan (or anyother type) can be aborted by SCAN */
- err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
- ¶ms_le, sizeof(params_le));
- if (err)
- brcmf_err("Scan abort failed\n");
- }
-
- brcmf_scan_config_mpc(ifp, 1);
-
- /*
- * e-scan can be initiated by scheduled scan
- * which takes precedence.
- */
- if (cfg->sched_escan) {
- brcmf_dbg(SCAN, "scheduled scan completed\n");
- cfg->sched_escan = false;
- if (!aborted)
- cfg80211_sched_scan_results(cfg_to_wiphy(cfg));
- } else if (scan_request) {
- brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n",
- aborted ? "Aborted" : "Done");
- cfg80211_scan_done(scan_request, aborted);
- }
- if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
- brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n");
-
- return err;
-}
-
-static
-int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
- struct net_device *ndev = wdev->netdev;
-
- /* vif event pending in firmware */
- if (brcmf_cfg80211_vif_event_armed(cfg))
- return -EBUSY;
-
- if (ndev) {
- if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) &&
- cfg->escan_info.ifp == netdev_priv(ndev))
- brcmf_notify_escan_complete(cfg, netdev_priv(ndev),
- true, true);
-
- brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1);
- }
-
- switch (wdev->iftype) {
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_AP_VLAN:
- case NL80211_IFTYPE_WDS:
- case NL80211_IFTYPE_MONITOR:
- case NL80211_IFTYPE_MESH_POINT:
- return -EOPNOTSUPP;
- case NL80211_IFTYPE_P2P_CLIENT:
- case NL80211_IFTYPE_P2P_GO:
- case NL80211_IFTYPE_P2P_DEVICE:
- return brcmf_p2p_del_vif(wiphy, wdev);
- case NL80211_IFTYPE_UNSPECIFIED:
- default:
- return -EINVAL;
- }
- return -EOPNOTSUPP;
-}
-
-static s32
-brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
- enum nl80211_iftype type, u32 *flags,
- struct vif_params *params)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_vif *vif = ifp->vif;
- s32 infra = 0;
- s32 ap = 0;
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter, ndev=%p, type=%d\n", ndev, type);
-
- switch (type) {
- case NL80211_IFTYPE_MONITOR:
- case NL80211_IFTYPE_WDS:
- brcmf_err("type (%d) : currently we do not support this type\n",
- type);
- return -EOPNOTSUPP;
- case NL80211_IFTYPE_ADHOC:
- infra = 0;
- break;
- case NL80211_IFTYPE_STATION:
- /* Ignore change for p2p IF. Unclear why supplicant does this */
- if ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) ||
- (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO)) {
- brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n");
- /* WAR: It is unexpected to get a change of VIF for P2P
- * IF, but it happens. The request can not be handled
- * but returning EPERM causes a crash. Returning 0
- * without setting ieee80211_ptr->iftype causes trace
- * (WARN_ON) but it works with wpa_supplicant
- */
- return 0;
- }
- infra = 1;
- break;
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_P2P_GO:
- ap = 1;
- break;
- default:
- err = -EINVAL;
- goto done;
- }
-
- if (ap) {
- if (type == NL80211_IFTYPE_P2P_GO) {
- brcmf_dbg(INFO, "IF Type = P2P GO\n");
- err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO);
- }
- if (!err) {
- set_bit(BRCMF_VIF_STATUS_AP_CREATING, &vif->sme_state);
- brcmf_dbg(INFO, "IF Type = AP\n");
- }
- } else {
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra);
- if (err) {
- brcmf_err("WLC_SET_INFRA error (%d)\n", err);
- err = -EAGAIN;
- goto done;
- }
- brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ?
- "Adhoc" : "Infra");
- }
- ndev->ieee80211_ptr->iftype = type;
-
- brcmf_cfg80211_update_proto_addr_mode(&vif->wdev);
-
-done:
- brcmf_dbg(TRACE, "Exit\n");
-
- return err;
-}
-
-static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg,
- struct brcmf_scan_params_le *params_le,
- struct cfg80211_scan_request *request)
-{
- u32 n_ssids;
- u32 n_channels;
- s32 i;
- s32 offset;
- u16 chanspec;
- char *ptr;
- struct brcmf_ssid_le ssid_le;
-
- memset(params_le->bssid, 0xFF, ETH_ALEN);
- params_le->bss_type = DOT11_BSSTYPE_ANY;
- params_le->scan_type = 0;
- params_le->channel_num = 0;
- params_le->nprobes = cpu_to_le32(-1);
- params_le->active_time = cpu_to_le32(-1);
- params_le->passive_time = cpu_to_le32(-1);
- params_le->home_time = cpu_to_le32(-1);
- memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le));
-
- /* if request is null exit so it will be all channel broadcast scan */
- if (!request)
- return;
-
- n_ssids = request->n_ssids;
- n_channels = request->n_channels;
- /* Copy channel array if applicable */
- brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n",
- n_channels);
- if (n_channels > 0) {
- for (i = 0; i < n_channels; i++) {
- chanspec = channel_to_chanspec(&cfg->d11inf,
- request->channels[i]);
- brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n",
- request->channels[i]->hw_value, chanspec);
- params_le->channel_list[i] = cpu_to_le16(chanspec);
- }
- } else {
- brcmf_dbg(SCAN, "Scanning all channels\n");
- }
- /* Copy ssid array if applicable */
- brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids);
- if (n_ssids > 0) {
- offset = offsetof(struct brcmf_scan_params_le, channel_list) +
- n_channels * sizeof(u16);
- offset = roundup(offset, sizeof(u32));
- ptr = (char *)params_le + offset;
- for (i = 0; i < n_ssids; i++) {
- memset(&ssid_le, 0, sizeof(ssid_le));
- ssid_le.SSID_len =
- cpu_to_le32(request->ssids[i].ssid_len);
- memcpy(ssid_le.SSID, request->ssids[i].ssid,
- request->ssids[i].ssid_len);
- if (!ssid_le.SSID_len)
- brcmf_dbg(SCAN, "%d: Broadcast scan\n", i);
- else
- brcmf_dbg(SCAN, "%d: scan for %s size =%d\n",
- i, ssid_le.SSID, ssid_le.SSID_len);
- memcpy(ptr, &ssid_le, sizeof(ssid_le));
- ptr += sizeof(ssid_le);
- }
- } else {
- brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids);
- if ((request->ssids) && request->ssids->ssid_len) {
- brcmf_dbg(SCAN, "SSID %s len=%d\n",
- params_le->ssid_le.SSID,
- request->ssids->ssid_len);
- params_le->ssid_le.SSID_len =
- cpu_to_le32(request->ssids->ssid_len);
- memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid,
- request->ssids->ssid_len);
- }
- }
- /* Adding mask to channel numbers */
- params_le->channel_num =
- cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) |
- (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK));
-}
-
-static s32
-brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
- struct cfg80211_scan_request *request, u16 action)
-{
- s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
- offsetof(struct brcmf_escan_params_le, params_le);
- struct brcmf_escan_params_le *params;
- s32 err = 0;
-
- brcmf_dbg(SCAN, "E-SCAN START\n");
-
- if (request != NULL) {
- /* Allocate space for populating ssids in struct */
- params_size += sizeof(u32) * ((request->n_channels + 1) / 2);
-
- /* Allocate space for populating ssids in struct */
- params_size += sizeof(struct brcmf_ssid) * request->n_ssids;
- }
-
- params = kzalloc(params_size, GFP_KERNEL);
- if (!params) {
- err = -ENOMEM;
- goto exit;
- }
- BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN);
- brcmf_escan_prep(cfg, ¶ms->params_le, request);
- params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION);
- params->action = cpu_to_le16(action);
- params->sync_id = cpu_to_le16(0x1234);
-
- err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size);
- if (err) {
- if (err == -EBUSY)
- brcmf_dbg(INFO, "system busy : escan canceled\n");
- else
- brcmf_err("error (%d)\n", err);
- }
-
- kfree(params);
-exit:
- return err;
-}
-
-static s32
-brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy,
- struct brcmf_if *ifp, struct cfg80211_scan_request *request)
-{
- s32 err;
- u32 passive_scan;
- struct brcmf_scan_results *results;
- struct escan_info *escan = &cfg->escan_info;
-
- brcmf_dbg(SCAN, "Enter\n");
- escan->ifp = ifp;
- escan->wiphy = wiphy;
- escan->escan_state = WL_ESCAN_STATE_SCANNING;
- passive_scan = cfg->active_scan ? 0 : 1;
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
- passive_scan);
- if (err) {
- brcmf_err("error (%d)\n", err);
- return err;
- }
- brcmf_scan_config_mpc(ifp, 0);
- results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
- results->version = 0;
- results->count = 0;
- results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE;
-
- err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START);
- if (err)
- brcmf_scan_config_mpc(ifp, 1);
- return err;
-}
-
-static s32
-brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
- struct cfg80211_scan_request *request,
- struct cfg80211_ssid *this_ssid)
-{
- struct brcmf_if *ifp = vif->ifp;
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct cfg80211_ssid *ssids;
- struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int;
- u32 passive_scan;
- bool escan_req;
- bool spec_scan;
- s32 err;
- u32 SSID_len;
-
- brcmf_dbg(SCAN, "START ESCAN\n");
-
- if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
- brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
- return -EAGAIN;
- }
- if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
- brcmf_err("Scanning being aborted: status (%lu)\n",
- cfg->scan_status);
- return -EAGAIN;
- }
- if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
- brcmf_err("Scanning suppressed: status (%lu)\n",
- cfg->scan_status);
- return -EAGAIN;
- }
- if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
- brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
- return -EAGAIN;
- }
-
- /* If scan req comes for p2p0, send it over primary I/F */
- if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
- vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
-
- /* Arm scan timeout timer */
- mod_timer(&cfg->escan_timeout, jiffies +
- WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
-
- escan_req = false;
- if (request) {
- /* scan bss */
- ssids = request->ssids;
- escan_req = true;
- } else {
- /* scan in ibss */
- /* we don't do escan in ibss */
- ssids = this_ssid;
- }
-
- cfg->scan_request = request;
- set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
- if (escan_req) {
- cfg->escan_info.run = brcmf_run_escan;
- err = brcmf_p2p_scan_prep(wiphy, request, vif);
- if (err)
- goto scan_out;
-
- err = brcmf_do_escan(cfg, wiphy, vif->ifp, request);
- if (err)
- goto scan_out;
- } else {
- brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
- ssids->ssid, ssids->ssid_len);
- memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
- SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
- sr->ssid_le.SSID_len = cpu_to_le32(0);
- spec_scan = false;
- if (SSID_len) {
- memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
- sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
- spec_scan = true;
- } else
- brcmf_dbg(SCAN, "Broadcast scan\n");
-
- passive_scan = cfg->active_scan ? 0 : 1;
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
- passive_scan);
- if (err) {
- brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
- goto scan_out;
- }
- brcmf_scan_config_mpc(ifp, 0);
- err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
- &sr->ssid_le, sizeof(sr->ssid_le));
- if (err) {
- if (err == -EBUSY)
- brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
- sr->ssid_le.SSID);
- else
- brcmf_err("WLC_SCAN error (%d)\n", err);
-
- brcmf_scan_config_mpc(ifp, 1);
- goto scan_out;
- }
- }
-
- return 0;
-
-scan_out:
- clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
- if (timer_pending(&cfg->escan_timeout))
- del_timer_sync(&cfg->escan_timeout);
- cfg->scan_request = NULL;
- return err;
-}
-
-static s32
-brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
-{
- struct brcmf_cfg80211_vif *vif;
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
- vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
- if (!check_vif_up(vif))
- return -EIO;
-
- err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
-
- if (err)
- brcmf_err("scan error (%d)\n", err);
-
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
-{
- s32 err = 0;
-
- err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh",
- rts_threshold);
- if (err)
- brcmf_err("Error (%d)\n", err);
-
- return err;
-}
-
-static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
-{
- s32 err = 0;
-
- err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh",
- frag_threshold);
- if (err)
- brcmf_err("Error (%d)\n", err);
-
- return err;
-}
-
-static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
-{
- s32 err = 0;
- u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL);
-
- err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry);
- if (err) {
- brcmf_err("cmd (%d) , error (%d)\n", cmd, err);
- return err;
- }
- return err;
-}
-
-static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct net_device *ndev = cfg_to_ndev(cfg);
- struct brcmf_if *ifp = netdev_priv(ndev);
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
- (cfg->conf->rts_threshold != wiphy->rts_threshold)) {
- cfg->conf->rts_threshold = wiphy->rts_threshold;
- err = brcmf_set_rts(ndev, cfg->conf->rts_threshold);
- if (!err)
- goto done;
- }
- if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
- (cfg->conf->frag_threshold != wiphy->frag_threshold)) {
- cfg->conf->frag_threshold = wiphy->frag_threshold;
- err = brcmf_set_frag(ndev, cfg->conf->frag_threshold);
- if (!err)
- goto done;
- }
- if (changed & WIPHY_PARAM_RETRY_LONG
- && (cfg->conf->retry_long != wiphy->retry_long)) {
- cfg->conf->retry_long = wiphy->retry_long;
- err = brcmf_set_retry(ndev, cfg->conf->retry_long, true);
- if (!err)
- goto done;
- }
- if (changed & WIPHY_PARAM_RETRY_SHORT
- && (cfg->conf->retry_short != wiphy->retry_short)) {
- cfg->conf->retry_short = wiphy->retry_short;
- err = brcmf_set_retry(ndev, cfg->conf->retry_short, false);
- if (!err)
- goto done;
- }
-
-done:
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
-{
- memset(prof, 0, sizeof(*prof));
-}
-
-static void brcmf_link_down(struct brcmf_cfg80211_vif *vif)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy);
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
-
- if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) {
- brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n ");
- err = brcmf_fil_cmd_data_set(vif->ifp,
- BRCMF_C_DISASSOC, NULL, 0);
- if (err) {
- brcmf_err("WLC_DISASSOC failed (%d)\n", err);
- }
- clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state);
- cfg80211_disconnected(vif->wdev.netdev, 0, NULL, 0, GFP_KERNEL);
-
- }
- clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state);
- clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
- brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
- brcmf_dbg(TRACE, "Exit\n");
-}
-
-static s32
-brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
- struct cfg80211_ibss_params *params)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
- struct brcmf_join_params join_params;
- size_t join_params_size = 0;
- s32 err = 0;
- s32 wsec = 0;
- s32 bcnprd;
- u16 chanspec;
-
- brcmf_dbg(TRACE, "Enter\n");
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- if (params->ssid)
- brcmf_dbg(CONN, "SSID: %s\n", params->ssid);
- else {
- brcmf_dbg(CONN, "SSID: NULL, Not supported\n");
- return -EOPNOTSUPP;
- }
-
- set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
-
- if (params->bssid)
- brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid);
- else
- brcmf_dbg(CONN, "No BSSID specified\n");
-
- if (params->chandef.chan)
- brcmf_dbg(CONN, "channel: %d\n",
- params->chandef.chan->center_freq);
- else
- brcmf_dbg(CONN, "no channel specified\n");
-
- if (params->channel_fixed)
- brcmf_dbg(CONN, "fixed channel required\n");
- else
- brcmf_dbg(CONN, "no fixed channel required\n");
-
- if (params->ie && params->ie_len)
- brcmf_dbg(CONN, "ie len: %d\n", params->ie_len);
- else
- brcmf_dbg(CONN, "no ie specified\n");
-
- if (params->beacon_interval)
- brcmf_dbg(CONN, "beacon interval: %d\n",
- params->beacon_interval);
- else
- brcmf_dbg(CONN, "no beacon interval specified\n");
-
- if (params->basic_rates)
- brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates);
- else
- brcmf_dbg(CONN, "no basic rates specified\n");
-
- if (params->privacy)
- brcmf_dbg(CONN, "privacy required\n");
- else
- brcmf_dbg(CONN, "no privacy required\n");
-
- /* Configure Privacy for starter */
- if (params->privacy)
- wsec |= WEP_ENABLED;
-
- err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
- if (err) {
- brcmf_err("wsec failed (%d)\n", err);
- goto done;
- }
-
- /* Configure Beacon Interval for starter */
- if (params->beacon_interval)
- bcnprd = params->beacon_interval;
- else
- bcnprd = 100;
-
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd);
- if (err) {
- brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err);
- goto done;
- }
-
- /* Configure required join parameter */
- memset(&join_params, 0, sizeof(struct brcmf_join_params));
-
- /* SSID */
- profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32);
- memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len);
- memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len);
- join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
- join_params_size = sizeof(join_params.ssid_le);
-
- /* BSSID */
- if (params->bssid) {
- memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
- join_params_size = sizeof(join_params.ssid_le) +
- BRCMF_ASSOC_PARAMS_FIXED_SIZE;
- memcpy(profile->bssid, params->bssid, ETH_ALEN);
- } else {
- memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
- memset(profile->bssid, 0, ETH_ALEN);
- }
-
- /* Channel */
- if (params->chandef.chan) {
- u32 target_channel;
-
- cfg->channel =
- ieee80211_frequency_to_channel(
- params->chandef.chan->center_freq);
- if (params->channel_fixed) {
- /* adding chanspec */
- chanspec = chandef_to_chanspec(&cfg->d11inf,
- ¶ms->chandef);
- join_params.params_le.chanspec_list[0] =
- cpu_to_le16(chanspec);
- join_params.params_le.chanspec_num = cpu_to_le32(1);
- join_params_size += sizeof(join_params.params_le);
- }
-
- /* set channel for starter */
- target_channel = cfg->channel;
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL,
- target_channel);
- if (err) {
- brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err);
- goto done;
- }
- } else
- cfg->channel = 0;
-
- cfg->ibss_starter = false;
-
-
- err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
- &join_params, join_params_size);
- if (err) {
- brcmf_err("WLC_SET_SSID failed (%d)\n", err);
- goto done;
- }
-
-done:
- if (err)
- clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
-
- brcmf_dbg(TRACE, "Enter\n");
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- brcmf_link_down(ifp->vif);
-
- brcmf_dbg(TRACE, "Exit\n");
-
- return 0;
-}
-
-static s32 brcmf_set_wpa_version(struct net_device *ndev,
- struct cfg80211_connect_params *sme)
-{
- struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
- struct brcmf_cfg80211_security *sec;
- s32 val = 0;
- s32 err = 0;
-
- if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
- val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
- else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
- val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
- else
- val = WPA_AUTH_DISABLED;
- brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val);
- err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val);
- if (err) {
- brcmf_err("set wpa_auth failed (%d)\n", err);
- return err;
- }
- sec = &profile->sec;
- sec->wpa_versions = sme->crypto.wpa_versions;
- return err;
-}
-
-static s32 brcmf_set_auth_type(struct net_device *ndev,
- struct cfg80211_connect_params *sme)
-{
- struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
- struct brcmf_cfg80211_security *sec;
- s32 val = 0;
- s32 err = 0;
-
- switch (sme->auth_type) {
- case NL80211_AUTHTYPE_OPEN_SYSTEM:
- val = 0;
- brcmf_dbg(CONN, "open system\n");
- break;
- case NL80211_AUTHTYPE_SHARED_KEY:
- val = 1;
- brcmf_dbg(CONN, "shared key\n");
- break;
- case NL80211_AUTHTYPE_AUTOMATIC:
- val = 2;
- brcmf_dbg(CONN, "automatic\n");
- break;
- case NL80211_AUTHTYPE_NETWORK_EAP:
- brcmf_dbg(CONN, "network eap\n");
- default:
- val = 2;
- brcmf_err("invalid auth type (%d)\n", sme->auth_type);
- break;
- }
-
- err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
- if (err) {
- brcmf_err("set auth failed (%d)\n", err);
- return err;
- }
- sec = &profile->sec;
- sec->auth_type = sme->auth_type;
- return err;
-}
-
-static s32
-brcmf_set_wsec_mode(struct net_device *ndev,
- struct cfg80211_connect_params *sme, bool mfp)
-{
- struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
- struct brcmf_cfg80211_security *sec;
- s32 pval = 0;
- s32 gval = 0;
- s32 wsec;
- s32 err = 0;
-
- if (sme->crypto.n_ciphers_pairwise) {
- switch (sme->crypto.ciphers_pairwise[0]) {
- case WLAN_CIPHER_SUITE_WEP40:
- case WLAN_CIPHER_SUITE_WEP104:
- pval = WEP_ENABLED;
- break;
- case WLAN_CIPHER_SUITE_TKIP:
- pval = TKIP_ENABLED;
- break;
- case WLAN_CIPHER_SUITE_CCMP:
- pval = AES_ENABLED;
- break;
- case WLAN_CIPHER_SUITE_AES_CMAC:
- pval = AES_ENABLED;
- break;
- default:
- brcmf_err("invalid cipher pairwise (%d)\n",
- sme->crypto.ciphers_pairwise[0]);
- return -EINVAL;
- }
- }
- if (sme->crypto.cipher_group) {
- switch (sme->crypto.cipher_group) {
- case WLAN_CIPHER_SUITE_WEP40:
- case WLAN_CIPHER_SUITE_WEP104:
- gval = WEP_ENABLED;
- break;
- case WLAN_CIPHER_SUITE_TKIP:
- gval = TKIP_ENABLED;
- break;
- case WLAN_CIPHER_SUITE_CCMP:
- gval = AES_ENABLED;
- break;
- case WLAN_CIPHER_SUITE_AES_CMAC:
- gval = AES_ENABLED;
- break;
- default:
- brcmf_err("invalid cipher group (%d)\n",
- sme->crypto.cipher_group);
- return -EINVAL;
- }
- }
-
- brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval);
- /* In case of privacy, but no security and WPS then simulate */
- /* setting AES. WPS-2.0 allows no security */
- if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval &&
- sme->privacy)
- pval = AES_ENABLED;
-
- if (mfp)
- wsec = pval | gval | MFP_CAPABLE;
- else
- wsec = pval | gval;
- err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec);
- if (err) {
- brcmf_err("error (%d)\n", err);
- return err;
- }
-
- sec = &profile->sec;
- sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
- sec->cipher_group = sme->crypto.cipher_group;
-
- return err;
-}
-
-static s32
-brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
-{
- struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
- struct brcmf_cfg80211_security *sec;
- s32 val = 0;
- s32 err = 0;
-
- if (sme->crypto.n_akm_suites) {
- err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev),
- "wpa_auth", &val);
- if (err) {
- brcmf_err("could not get wpa_auth (%d)\n", err);
- return err;
- }
- if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
- switch (sme->crypto.akm_suites[0]) {
- case WLAN_AKM_SUITE_8021X:
- val = WPA_AUTH_UNSPECIFIED;
- break;
- case WLAN_AKM_SUITE_PSK:
- val = WPA_AUTH_PSK;
- break;
- default:
- brcmf_err("invalid cipher group (%d)\n",
- sme->crypto.cipher_group);
- return -EINVAL;
- }
- } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
- switch (sme->crypto.akm_suites[0]) {
- case WLAN_AKM_SUITE_8021X:
- val = WPA2_AUTH_UNSPECIFIED;
- break;
- case WLAN_AKM_SUITE_PSK:
- val = WPA2_AUTH_PSK;
- break;
- default:
- brcmf_err("invalid cipher group (%d)\n",
- sme->crypto.cipher_group);
- return -EINVAL;
- }
- }
-
- brcmf_dbg(CONN, "setting wpa_auth to %d\n", val);
- err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev),
- "wpa_auth", val);
- if (err) {
- brcmf_err("could not set wpa_auth (%d)\n", err);
- return err;
- }
- }
- sec = &profile->sec;
- sec->wpa_auth = sme->crypto.akm_suites[0];
-
- return err;
-}
-
-static s32
-brcmf_set_sharedkey(struct net_device *ndev,
- struct cfg80211_connect_params *sme)
-{
- struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
- struct brcmf_cfg80211_security *sec;
- struct brcmf_wsec_key key;
- s32 val;
- s32 err = 0;
-
- brcmf_dbg(CONN, "key len (%d)\n", sme->key_len);
-
- if (sme->key_len == 0)
- return 0;
-
- sec = &profile->sec;
- brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n",
- sec->wpa_versions, sec->cipher_pairwise);
-
- if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
- return 0;
-
- if (!(sec->cipher_pairwise &
- (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)))
- return 0;
-
- memset(&key, 0, sizeof(key));
- key.len = (u32) sme->key_len;
- key.index = (u32) sme->key_idx;
- if (key.len > sizeof(key.data)) {
- brcmf_err("Too long key length (%u)\n", key.len);
- return -EINVAL;
- }
- memcpy(key.data, sme->key, key.len);
- key.flags = BRCMF_PRIMARY_KEY;
- switch (sec->cipher_pairwise) {
- case WLAN_CIPHER_SUITE_WEP40:
- key.algo = CRYPTO_ALGO_WEP1;
- break;
- case WLAN_CIPHER_SUITE_WEP104:
- key.algo = CRYPTO_ALGO_WEP128;
- break;
- default:
- brcmf_err("Invalid algorithm (%d)\n",
- sme->crypto.ciphers_pairwise[0]);
- return -EINVAL;
- }
- /* Set the new key/index */
- brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n",
- key.len, key.index, key.algo);
- brcmf_dbg(CONN, "key \"%s\"\n", key.data);
- err = send_key_to_dongle(ndev, &key);
- if (err)
- return err;
-
- if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) {
- brcmf_dbg(CONN, "set auth_type to shared key\n");
- val = WL_AUTH_SHARED_KEY; /* shared key */
- err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val);
- if (err)
- brcmf_err("set auth failed (%d)\n", err);
- }
- return err;
-}
-
-static
-enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp,
- enum nl80211_auth_type type)
-{
- if (type == NL80211_AUTHTYPE_AUTOMATIC &&
- brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) {
- brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n");
- type = NL80211_AUTHTYPE_OPEN_SYSTEM;
- }
- return type;
-}
-
-static s32
-brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
- struct cfg80211_connect_params *sme)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
- struct ieee80211_channel *chan = sme->channel;
- struct brcmf_join_params join_params;
- size_t join_params_size;
- const struct brcmf_tlv *rsn_ie;
- const struct brcmf_vs_tlv *wpa_ie;
- const void *ie;
- u32 ie_len;
- struct brcmf_ext_join_params_le *ext_join_params;
- u16 chanspec;
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- if (!sme->ssid) {
- brcmf_err("Invalid ssid\n");
- return -EOPNOTSUPP;
- }
-
- if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) {
- /* A normal (non P2P) connection request setup. */
- ie = NULL;
- ie_len = 0;
- /* find the WPA_IE */
- wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len);
- if (wpa_ie) {
- ie = wpa_ie;
- ie_len = wpa_ie->len + TLV_HDR_LEN;
- } else {
- /* find the RSN_IE */
- rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie,
- sme->ie_len,
- WLAN_EID_RSN);
- if (rsn_ie) {
- ie = rsn_ie;
- ie_len = rsn_ie->len + TLV_HDR_LEN;
- }
- }
- brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len);
- }
-
- err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG,
- sme->ie, sme->ie_len);
- if (err)
- brcmf_err("Set Assoc REQ IE Failed\n");
- else
- brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n");
-
- set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
-
- if (chan) {
- cfg->channel =
- ieee80211_frequency_to_channel(chan->center_freq);
- chanspec = channel_to_chanspec(&cfg->d11inf, chan);
- brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n",
- cfg->channel, chan->center_freq, chanspec);
- } else {
- cfg->channel = 0;
- chanspec = 0;
- }
-
- brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
-
- err = brcmf_set_wpa_version(ndev, sme);
- if (err) {
- brcmf_err("wl_set_wpa_version failed (%d)\n", err);
- goto done;
- }
-
- sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type);
- err = brcmf_set_auth_type(ndev, sme);
- if (err) {
- brcmf_err("wl_set_auth_type failed (%d)\n", err);
- goto done;
- }
-
- err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED);
- if (err) {
- brcmf_err("wl_set_set_cipher failed (%d)\n", err);
- goto done;
- }
-
- err = brcmf_set_key_mgmt(ndev, sme);
- if (err) {
- brcmf_err("wl_set_key_mgmt failed (%d)\n", err);
- goto done;
- }
-
- err = brcmf_set_sharedkey(ndev, sme);
- if (err) {
- brcmf_err("brcmf_set_sharedkey failed (%d)\n", err);
- goto done;
- }
-
- profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID),
- (u32)sme->ssid_len);
- memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len);
- if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) {
- profile->ssid.SSID[profile->ssid.SSID_len] = 0;
- brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID,
- profile->ssid.SSID_len);
- }
-
- /* Join with specific BSSID and cached SSID
- * If SSID is zero join based on BSSID only
- */
- join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) +
- offsetof(struct brcmf_assoc_params_le, chanspec_list);
- if (cfg->channel)
- join_params_size += sizeof(u16);
- ext_join_params = kzalloc(join_params_size, GFP_KERNEL);
- if (ext_join_params == NULL) {
- err = -ENOMEM;
- goto done;
- }
- ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
- memcpy(&ext_join_params->ssid_le.SSID, sme->ssid,
- profile->ssid.SSID_len);
-
- /* Set up join scan parameters */
- ext_join_params->scan_le.scan_type = -1;
- ext_join_params->scan_le.home_time = cpu_to_le32(-1);
-
- if (sme->bssid)
- memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN);
- else
- memset(&ext_join_params->assoc_le.bssid, 0xFF, ETH_ALEN);
-
- if (cfg->channel) {
- ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1);
-
- ext_join_params->assoc_le.chanspec_list[0] =
- cpu_to_le16(chanspec);
- /* Increase dwell time to receive probe response or detect
- * beacon from target AP at a noisy air only during connect
- * command.
- */
- ext_join_params->scan_le.active_time =
- cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS);
- ext_join_params->scan_le.passive_time =
- cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS);
- /* To sync with presence period of VSDB GO send probe request
- * more frequently. Probe request will be stopped when it gets
- * probe response from target AP/GO.
- */
- ext_join_params->scan_le.nprobes =
- cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS /
- BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS);
- } else {
- ext_join_params->scan_le.active_time = cpu_to_le32(-1);
- ext_join_params->scan_le.passive_time = cpu_to_le32(-1);
- ext_join_params->scan_le.nprobes = cpu_to_le32(-1);
- }
-
- err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params,
- join_params_size);
- kfree(ext_join_params);
- if (!err)
- /* This is it. join command worked, we are done */
- goto done;
-
- /* join command failed, fallback to set ssid */
- memset(&join_params, 0, sizeof(join_params));
- join_params_size = sizeof(join_params.ssid_le);
-
- memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len);
- join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len);
-
- if (sme->bssid)
- memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN);
- else
- memset(join_params.params_le.bssid, 0xFF, ETH_ALEN);
-
- if (cfg->channel) {
- join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec);
- join_params.params_le.chanspec_num = cpu_to_le32(1);
- join_params_size += sizeof(join_params.params_le);
- }
- err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
- &join_params, join_params_size);
- if (err)
- brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err);
-
-done:
- if (err)
- clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
- u16 reason_code)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
- struct brcmf_scb_val_le scbval;
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code);
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
- cfg80211_disconnected(ndev, reason_code, NULL, 0, GFP_KERNEL);
-
- memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
- scbval.val = cpu_to_le32(reason_code);
- err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
- &scbval, sizeof(scbval));
- if (err)
- brcmf_err("error (%d)\n", err);
-
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
- enum nl80211_tx_power_setting type, s32 mbm)
-{
-
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct net_device *ndev = cfg_to_ndev(cfg);
- struct brcmf_if *ifp = netdev_priv(ndev);
- u16 txpwrmw;
- s32 err = 0;
- s32 disable = 0;
- s32 dbm = MBM_TO_DBM(mbm);
-
- brcmf_dbg(TRACE, "Enter\n");
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- switch (type) {
- case NL80211_TX_POWER_AUTOMATIC:
- break;
- case NL80211_TX_POWER_LIMITED:
- case NL80211_TX_POWER_FIXED:
- if (dbm < 0) {
- brcmf_err("TX_POWER_FIXED - dbm is negative\n");
- err = -EINVAL;
- goto done;
- }
- break;
- }
- /* Make sure radio is off or on as far as software is concerned */
- disable = WL_RADIO_SW_DISABLE << 16;
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable);
- if (err)
- brcmf_err("WLC_SET_RADIO error (%d)\n", err);
-
- if (dbm > 0xffff)
- txpwrmw = 0xffff;
- else
- txpwrmw = (u16) dbm;
- err = brcmf_fil_iovar_int_set(ifp, "qtxpower",
- (s32)brcmf_mw_to_qdbm(txpwrmw));
- if (err)
- brcmf_err("qtxpower error (%d)\n", err);
- cfg->conf->tx_power = dbm;
-
-done:
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- s32 *dbm)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
- s32 txpwrdbm;
- u8 result;
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &txpwrdbm);
- if (err) {
- brcmf_err("error (%d)\n", err);
- goto done;
- }
-
- result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
- *dbm = (s32) brcmf_qdbm_to_mw(result);
-
-done:
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
- u8 key_idx, bool unicast, bool multicast)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- u32 index;
- u32 wsec;
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
- brcmf_dbg(CONN, "key index (%d)\n", key_idx);
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
- if (err) {
- brcmf_err("WLC_GET_WSEC error (%d)\n", err);
- goto done;
- }
-
- if (wsec & WEP_ENABLED) {
- /* Just select a new current key */
- index = key_idx;
- err = brcmf_fil_cmd_int_set(ifp,
- BRCMF_C_SET_KEY_PRIMARY, index);
- if (err)
- brcmf_err("error (%d)\n", err);
- }
-done:
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
- u8 key_idx, const u8 *mac_addr, struct key_params *params)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_wsec_key key;
- s32 err = 0;
- u8 keybuf[8];
-
- memset(&key, 0, sizeof(key));
- key.index = (u32) key_idx;
- /* Instead of bcast for ea address for default wep keys,
- driver needs it to be Null */
- if (!is_multicast_ether_addr(mac_addr))
- memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
- key.len = (u32) params->key_len;
- /* check for key index change */
- if (key.len == 0) {
- /* key delete */
- err = send_key_to_dongle(ndev, &key);
- if (err)
- brcmf_err("key delete error (%d)\n", err);
- } else {
- if (key.len > sizeof(key.data)) {
- brcmf_err("Invalid key length (%d)\n", key.len);
- return -EINVAL;
- }
-
- brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
- memcpy(key.data, params->key, key.len);
-
- if (!brcmf_is_apmode(ifp->vif) &&
- (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
- brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
- memcpy(keybuf, &key.data[24], sizeof(keybuf));
- memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
- memcpy(&key.data[16], keybuf, sizeof(keybuf));
- }
-
- /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
- if (params->seq && params->seq_len == 6) {
- /* rx iv */
- u8 *ivptr;
- ivptr = (u8 *) params->seq;
- key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
- (ivptr[3] << 8) | ivptr[2];
- key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
- key.iv_initialized = true;
- }
-
- switch (params->cipher) {
- case WLAN_CIPHER_SUITE_WEP40:
- key.algo = CRYPTO_ALGO_WEP1;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
- break;
- case WLAN_CIPHER_SUITE_WEP104:
- key.algo = CRYPTO_ALGO_WEP128;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
- break;
- case WLAN_CIPHER_SUITE_TKIP:
- key.algo = CRYPTO_ALGO_TKIP;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
- break;
- case WLAN_CIPHER_SUITE_AES_CMAC:
- key.algo = CRYPTO_ALGO_AES_CCM;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
- break;
- case WLAN_CIPHER_SUITE_CCMP:
- key.algo = CRYPTO_ALGO_AES_CCM;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
- break;
- default:
- brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
- return -EINVAL;
- }
- err = send_key_to_dongle(ndev, &key);
- if (err)
- brcmf_err("wsec_key error (%d)\n", err);
- }
- return err;
-}
-
-static s32
-brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
- u8 key_idx, bool pairwise, const u8 *mac_addr,
- struct key_params *params)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_wsec_key key;
- s32 val;
- s32 wsec;
- s32 err = 0;
- u8 keybuf[8];
-
- brcmf_dbg(TRACE, "Enter\n");
- brcmf_dbg(CONN, "key index (%d)\n", key_idx);
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- if (mac_addr &&
- (params->cipher != WLAN_CIPHER_SUITE_WEP40) &&
- (params->cipher != WLAN_CIPHER_SUITE_WEP104)) {
- brcmf_dbg(TRACE, "Exit");
- return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
- }
- memset(&key, 0, sizeof(key));
-
- key.len = (u32) params->key_len;
- key.index = (u32) key_idx;
-
- if (key.len > sizeof(key.data)) {
- brcmf_err("Too long key length (%u)\n", key.len);
- err = -EINVAL;
- goto done;
- }
- memcpy(key.data, params->key, key.len);
-
- key.flags = BRCMF_PRIMARY_KEY;
- switch (params->cipher) {
- case WLAN_CIPHER_SUITE_WEP40:
- key.algo = CRYPTO_ALGO_WEP1;
- val = WEP_ENABLED;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
- break;
- case WLAN_CIPHER_SUITE_WEP104:
- key.algo = CRYPTO_ALGO_WEP128;
- val = WEP_ENABLED;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
- break;
- case WLAN_CIPHER_SUITE_TKIP:
- if (!brcmf_is_apmode(ifp->vif)) {
- brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
- memcpy(keybuf, &key.data[24], sizeof(keybuf));
- memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
- memcpy(&key.data[16], keybuf, sizeof(keybuf));
- }
- key.algo = CRYPTO_ALGO_TKIP;
- val = TKIP_ENABLED;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
- break;
- case WLAN_CIPHER_SUITE_AES_CMAC:
- key.algo = CRYPTO_ALGO_AES_CCM;
- val = AES_ENABLED;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
- break;
- case WLAN_CIPHER_SUITE_CCMP:
- key.algo = CRYPTO_ALGO_AES_CCM;
- val = AES_ENABLED;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n");
- break;
- default:
- brcmf_err("Invalid cipher (0x%x)\n", params->cipher);
- err = -EINVAL;
- goto done;
- }
-
- err = send_key_to_dongle(ndev, &key);
- if (err)
- goto done;
-
- err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
- if (err) {
- brcmf_err("get wsec error (%d)\n", err);
- goto done;
- }
- wsec |= val;
- err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
- if (err) {
- brcmf_err("set wsec error (%d)\n", err);
- goto done;
- }
-
-done:
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
- u8 key_idx, bool pairwise, const u8 *mac_addr)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_wsec_key key;
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- if (key_idx >= DOT11_MAX_DEFAULT_KEYS) {
- /* we ignore this key index in this case */
- brcmf_err("invalid key index (%d)\n", key_idx);
- return -EINVAL;
- }
-
- memset(&key, 0, sizeof(key));
-
- key.index = (u32) key_idx;
- key.flags = BRCMF_PRIMARY_KEY;
- key.algo = CRYPTO_ALGO_OFF;
-
- brcmf_dbg(CONN, "key index (%d)\n", key_idx);
-
- /* Set the new key/index */
- err = send_key_to_dongle(ndev, &key);
-
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
- u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
- void (*callback) (void *cookie, struct key_params * params))
-{
- struct key_params params;
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
- struct brcmf_cfg80211_security *sec;
- s32 wsec;
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
- brcmf_dbg(CONN, "key index (%d)\n", key_idx);
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- memset(¶ms, 0, sizeof(params));
-
- err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec);
- if (err) {
- brcmf_err("WLC_GET_WSEC error (%d)\n", err);
- /* Ignore this error, may happen during DISASSOC */
- err = -EAGAIN;
- goto done;
- }
- if (wsec & WEP_ENABLED) {
- sec = &profile->sec;
- if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
- params.cipher = WLAN_CIPHER_SUITE_WEP40;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n");
- } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
- params.cipher = WLAN_CIPHER_SUITE_WEP104;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
- }
- } else if (wsec & TKIP_ENABLED) {
- params.cipher = WLAN_CIPHER_SUITE_TKIP;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
- } else if (wsec & AES_ENABLED) {
- params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
- brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
- } else {
- brcmf_err("Invalid algo (0x%x)\n", wsec);
- err = -EINVAL;
- goto done;
- }
- callback(cookie, ¶ms);
-
-done:
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
- struct net_device *ndev, u8 key_idx)
-{
- brcmf_dbg(INFO, "Not supported\n");
-
- return -EOPNOTSUPP;
-}
-
-static s32
-brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
- const u8 *mac, struct station_info *sinfo)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
- struct brcmf_scb_val_le scb_val;
- int rssi;
- s32 rate;
- s32 err = 0;
- u8 *bssid = profile->bssid;
- struct brcmf_sta_info_le sta_info_le;
- u32 beacon_period;
- u32 dtim_period;
-
- brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac);
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- if (brcmf_is_apmode(ifp->vif)) {
- memcpy(&sta_info_le, mac, ETH_ALEN);
- err = brcmf_fil_iovar_data_get(ifp, "sta_info",
- &sta_info_le,
- sizeof(sta_info_le));
- if (err < 0) {
- brcmf_err("GET STA INFO failed, %d\n", err);
- goto done;
- }
- sinfo->filled = STATION_INFO_INACTIVE_TIME;
- sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000;
- if (le32_to_cpu(sta_info_le.flags) & BRCMF_STA_ASSOC) {
- sinfo->filled |= STATION_INFO_CONNECTED_TIME;
- sinfo->connected_time = le32_to_cpu(sta_info_le.in);
- }
- brcmf_dbg(TRACE, "STA idle time : %d ms, connected time :%d sec\n",
- sinfo->inactive_time, sinfo->connected_time);
- } else if (ifp->vif->wdev.iftype == NL80211_IFTYPE_STATION) {
- if (memcmp(mac, bssid, ETH_ALEN)) {
- brcmf_err("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n",
- mac, bssid);
- err = -ENOENT;
- goto done;
- }
- /* Report the current tx rate */
- err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_RATE, &rate);
- if (err) {
- brcmf_err("Could not get rate (%d)\n", err);
- goto done;
- } else {
- sinfo->filled |= STATION_INFO_TX_BITRATE;
- sinfo->txrate.legacy = rate * 5;
- brcmf_dbg(CONN, "Rate %d Mbps\n", rate / 2);
- }
-
- if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
- &ifp->vif->sme_state)) {
- memset(&scb_val, 0, sizeof(scb_val));
- err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
- &scb_val, sizeof(scb_val));
- if (err) {
- brcmf_err("Could not get rssi (%d)\n", err);
- goto done;
- } else {
- rssi = le32_to_cpu(scb_val.val);
- sinfo->filled |= STATION_INFO_SIGNAL;
- sinfo->signal = rssi;
- brcmf_dbg(CONN, "RSSI %d dBm\n", rssi);
- }
- err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_BCNPRD,
- &beacon_period);
- if (err) {
- brcmf_err("Could not get beacon period (%d)\n",
- err);
- goto done;
- } else {
- sinfo->bss_param.beacon_interval =
- beacon_period;
- brcmf_dbg(CONN, "Beacon peroid %d\n",
- beacon_period);
- }
- err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_DTIMPRD,
- &dtim_period);
- if (err) {
- brcmf_err("Could not get DTIM period (%d)\n",
- err);
- goto done;
- } else {
- sinfo->bss_param.dtim_period = dtim_period;
- brcmf_dbg(CONN, "DTIM peroid %d\n",
- dtim_period);
- }
- sinfo->filled |= STATION_INFO_BSS_PARAM;
- }
- } else
- err = -EPERM;
-done:
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
- bool enabled, s32 timeout)
-{
- s32 pm;
- s32 err = 0;
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_if *ifp = netdev_priv(ndev);
-
- brcmf_dbg(TRACE, "Enter\n");
-
- /*
- * Powersave enable/disable request is coming from the
- * cfg80211 even before the interface is up. In that
- * scenario, driver will be storing the power save
- * preference in cfg struct to apply this to
- * FW later while initializing the dongle
- */
- cfg->pwr_save = enabled;
- if (!check_vif_up(ifp->vif)) {
-
- brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n");
- goto done;
- }
-
- pm = enabled ? PM_FAST : PM_OFF;
- /* Do not enable the power save after assoc if it is a p2p interface */
- if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) {
- brcmf_dbg(INFO, "Do not enable power save for P2P clients\n");
- pm = PM_OFF;
- }
- brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled"));
-
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
- if (err) {
- if (err == -ENODEV)
- brcmf_err("net_device is not ready yet\n");
- else
- brcmf_err("error (%d)\n", err);
- }
-done:
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg,
- struct brcmf_bss_info_le *bi)
-{
- struct wiphy *wiphy = cfg_to_wiphy(cfg);
- struct ieee80211_channel *notify_channel;
- struct cfg80211_bss *bss;
- struct ieee80211_supported_band *band;
- struct brcmu_chan ch;
- u16 channel;
- u32 freq;
- u16 notify_capability;
- u16 notify_interval;
- u8 *notify_ie;
- size_t notify_ielen;
- s32 notify_signal;
-
- if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
- brcmf_err("Bss info is larger than buffer. Discarding\n");
- return 0;
- }
-
- if (!bi->ctl_ch) {
- ch.chspec = le16_to_cpu(bi->chanspec);
- cfg->d11inf.decchspec(&ch);
- bi->ctl_ch = ch.chnum;
- }
- channel = bi->ctl_ch;
-
- if (channel <= CH_MAX_2G_CHANNEL)
- band = wiphy->bands[IEEE80211_BAND_2GHZ];
- else
- band = wiphy->bands[IEEE80211_BAND_5GHZ];
-
- freq = ieee80211_channel_to_frequency(channel, band->band);
- notify_channel = ieee80211_get_channel(wiphy, freq);
-
- notify_capability = le16_to_cpu(bi->capability);
- notify_interval = le16_to_cpu(bi->beacon_period);
- notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
- notify_ielen = le32_to_cpu(bi->ie_length);
- notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
-
- brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID);
- brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq);
- brcmf_dbg(CONN, "Capability: %X\n", notify_capability);
- brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval);
- brcmf_dbg(CONN, "Signal: %d\n", notify_signal);
-
- bss = cfg80211_inform_bss(wiphy, notify_channel,
- CFG80211_BSS_FTYPE_UNKNOWN,
- (const u8 *)bi->BSSID,
- 0, notify_capability,
- notify_interval, notify_ie,
- notify_ielen, notify_signal,
- GFP_KERNEL);
-
- if (!bss)
- return -ENOMEM;
-
- cfg80211_put_bss(wiphy, bss);
-
- return 0;
-}
-
-static struct brcmf_bss_info_le *
-next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss)
-{
- if (bss == NULL)
- return list->bss_info_le;
- return (struct brcmf_bss_info_le *)((unsigned long)bss +
- le32_to_cpu(bss->length));
-}
-
-static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg)
-{
- struct brcmf_scan_results *bss_list;
- struct brcmf_bss_info_le *bi = NULL; /* must be initialized */
- s32 err = 0;
- int i;
-
- bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
- if (bss_list->count != 0 &&
- bss_list->version != BRCMF_BSS_INFO_VERSION) {
- brcmf_err("Version %d != WL_BSS_INFO_VERSION\n",
- bss_list->version);
- return -EOPNOTSUPP;
- }
- brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count);
- for (i = 0; i < bss_list->count; i++) {
- bi = next_bss_le(bss_list, bi);
- err = brcmf_inform_single_bss(cfg, bi);
- if (err)
- break;
- }
- return err;
-}
-
-static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg,
- struct net_device *ndev, const u8 *bssid)
-{
- struct wiphy *wiphy = cfg_to_wiphy(cfg);
- struct ieee80211_channel *notify_channel;
- struct brcmf_bss_info_le *bi = NULL;
- struct ieee80211_supported_band *band;
- struct cfg80211_bss *bss;
- struct brcmu_chan ch;
- u8 *buf = NULL;
- s32 err = 0;
- u32 freq;
- u16 notify_capability;
- u16 notify_interval;
- u8 *notify_ie;
- size_t notify_ielen;
- s32 notify_signal;
-
- brcmf_dbg(TRACE, "Enter\n");
-
- buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
- if (buf == NULL) {
- err = -ENOMEM;
- goto CleanUp;
- }
-
- *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
-
- err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
- buf, WL_BSS_INFO_MAX);
- if (err) {
- brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err);
- goto CleanUp;
- }
-
- bi = (struct brcmf_bss_info_le *)(buf + 4);
-
- ch.chspec = le16_to_cpu(bi->chanspec);
- cfg->d11inf.decchspec(&ch);
-
- if (ch.band == BRCMU_CHAN_BAND_2G)
- band = wiphy->bands[IEEE80211_BAND_2GHZ];
- else
- band = wiphy->bands[IEEE80211_BAND_5GHZ];
-
- freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
- notify_channel = ieee80211_get_channel(wiphy, freq);
-
- notify_capability = le16_to_cpu(bi->capability);
- notify_interval = le16_to_cpu(bi->beacon_period);
- notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
- notify_ielen = le32_to_cpu(bi->ie_length);
- notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
-
- brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq);
- brcmf_dbg(CONN, "capability: %X\n", notify_capability);
- brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval);
- brcmf_dbg(CONN, "signal: %d\n", notify_signal);
-
- bss = cfg80211_inform_bss(wiphy, notify_channel,
- CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0,
- notify_capability, notify_interval,
- notify_ie, notify_ielen, notify_signal,
- GFP_KERNEL);
-
- if (!bss) {
- err = -ENOMEM;
- goto CleanUp;
- }
-
- cfg80211_put_bss(wiphy, bss);
-
-CleanUp:
-
- kfree(buf);
-
- brcmf_dbg(TRACE, "Exit\n");
-
- return err;
-}
-
-static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg,
- struct brcmf_if *ifp)
-{
- struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev);
- struct brcmf_bss_info_le *bi;
- struct brcmf_ssid *ssid;
- const struct brcmf_tlv *tim;
- u16 beacon_interval;
- u8 dtim_period;
- size_t ie_len;
- u8 *ie;
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
- if (brcmf_is_ibssmode(ifp->vif))
- return err;
-
- ssid = &profile->ssid;
-
- *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
- err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
- cfg->extra_buf, WL_EXTRA_BUF_MAX);
- if (err) {
- brcmf_err("Could not get bss info %d\n", err);
- goto update_bss_info_out;
- }
-
- bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4);
- err = brcmf_inform_single_bss(cfg, bi);
- if (err)
- goto update_bss_info_out;
-
- ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
- ie_len = le32_to_cpu(bi->ie_length);
- beacon_interval = le16_to_cpu(bi->beacon_period);
-
- tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
- if (tim)
- dtim_period = tim->data[1];
- else {
- /*
- * active scan was done so we could not get dtim
- * information out of probe response.
- * so we speficially query dtim information to dongle.
- */
- u32 var;
- err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var);
- if (err) {
- brcmf_err("wl dtim_assoc failed (%d)\n", err);
- goto update_bss_info_out;
- }
- dtim_period = (u8)var;
- }
-
-update_bss_info_out:
- brcmf_dbg(TRACE, "Exit");
- return err;
-}
-
-void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
-{
- struct escan_info *escan = &cfg->escan_info;
-
- set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
- if (cfg->scan_request) {
- escan->escan_state = WL_ESCAN_STATE_IDLE;
- brcmf_notify_escan_complete(cfg, escan->ifp, true, true);
- }
- clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
- clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
-}
-
-static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work)
-{
- struct brcmf_cfg80211_info *cfg =
- container_of(work, struct brcmf_cfg80211_info,
- escan_timeout_work);
-
- brcmf_inform_bss(cfg);
- brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true);
-}
-
-static void brcmf_escan_timeout(unsigned long data)
-{
- struct brcmf_cfg80211_info *cfg =
- (struct brcmf_cfg80211_info *)data;
-
- if (cfg->scan_request) {
- brcmf_err("timer expired\n");
- schedule_work(&cfg->escan_timeout_work);
- }
-}
-
-static s32
-brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg,
- struct brcmf_bss_info_le *bss,
- struct brcmf_bss_info_le *bss_info_le)
-{
- struct brcmu_chan ch_bss, ch_bss_info_le;
-
- ch_bss.chspec = le16_to_cpu(bss->chanspec);
- cfg->d11inf.decchspec(&ch_bss);
- ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec);
- cfg->d11inf.decchspec(&ch_bss_info_le);
-
- if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) &&
- ch_bss.band == ch_bss_info_le.band &&
- bss_info_le->SSID_len == bss->SSID_len &&
- !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) {
- if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) ==
- (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) {
- s16 bss_rssi = le16_to_cpu(bss->RSSI);
- s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI);
-
- /* preserve max RSSI if the measurements are
- * both on-channel or both off-channel
- */
- if (bss_info_rssi > bss_rssi)
- bss->RSSI = bss_info_le->RSSI;
- } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) &&
- (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) {
- /* preserve the on-channel rssi measurement
- * if the new measurement is off channel
- */
- bss->RSSI = bss_info_le->RSSI;
- bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL;
- }
- return 1;
- }
- return 0;
-}
-
-static s32
-brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
- const struct brcmf_event_msg *e, void *data)
-{
- struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
- s32 status;
- struct brcmf_escan_result_le *escan_result_le;
- struct brcmf_bss_info_le *bss_info_le;
- struct brcmf_bss_info_le *bss = NULL;
- u32 bi_length;
- struct brcmf_scan_results *list;
- u32 i;
- bool aborted;
-
- status = e->status;
-
- if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
- brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx);
- return -EPERM;
- }
-
- if (status == BRCMF_E_STATUS_PARTIAL) {
- brcmf_dbg(SCAN, "ESCAN Partial result\n");
- escan_result_le = (struct brcmf_escan_result_le *) data;
- if (!escan_result_le) {
- brcmf_err("Invalid escan result (NULL pointer)\n");
- goto exit;
- }
- if (le16_to_cpu(escan_result_le->bss_count) != 1) {
- brcmf_err("Invalid bss_count %d: ignoring\n",
- escan_result_le->bss_count);
- goto exit;
- }
- bss_info_le = &escan_result_le->bss_info_le;
-
- if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le))
- goto exit;
-
- if (!cfg->scan_request) {
- brcmf_dbg(SCAN, "result without cfg80211 request\n");
- goto exit;
- }
-
- bi_length = le32_to_cpu(bss_info_le->length);
- if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
- WL_ESCAN_RESULTS_FIXED_SIZE)) {
- brcmf_err("Invalid bss_info length %d: ignoring\n",
- bi_length);
- goto exit;
- }
-
- if (!(cfg_to_wiphy(cfg)->interface_modes &
- BIT(NL80211_IFTYPE_ADHOC))) {
- if (le16_to_cpu(bss_info_le->capability) &
- WLAN_CAPABILITY_IBSS) {
- brcmf_err("Ignoring IBSS result\n");
- goto exit;
- }
- }
-
- list = (struct brcmf_scan_results *)
- cfg->escan_info.escan_buf;
- if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) {
- brcmf_err("Buffer is too small: ignoring\n");
- goto exit;
- }
-
- for (i = 0; i < list->count; i++) {
- bss = bss ? (struct brcmf_bss_info_le *)
- ((unsigned char *)bss +
- le32_to_cpu(bss->length)) : list->bss_info_le;
- if (brcmf_compare_update_same_bss(cfg, bss,
- bss_info_le))
- goto exit;
- }
- memcpy(&(cfg->escan_info.escan_buf[list->buflen]),
- bss_info_le, bi_length);
- list->version = le32_to_cpu(bss_info_le->version);
- list->buflen += bi_length;
- list->count++;
- } else {
- cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
- if (brcmf_p2p_scan_finding_common_channel(cfg, NULL))
- goto exit;
- if (cfg->scan_request) {
- brcmf_inform_bss(cfg);
- aborted = status != BRCMF_E_STATUS_SUCCESS;
- brcmf_notify_escan_complete(cfg, ifp, aborted, false);
- } else
- brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n",
- status);
- }
-exit:
- return 0;
-}
-
-static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg)
-{
- brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT,
- brcmf_cfg80211_escan_handler);
- cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE;
- /* Init scan_timeout timer */
- init_timer(&cfg->escan_timeout);
- cfg->escan_timeout.data = (unsigned long) cfg;
- cfg->escan_timeout.function = brcmf_escan_timeout;
- INIT_WORK(&cfg->escan_timeout_work,
- brcmf_cfg80211_escan_timeout_worker);
-}
-
-static __always_inline void brcmf_delay(u32 ms)
-{
- if (ms < 1000 / HZ) {
- cond_resched();
- mdelay(ms);
- } else {
- msleep(ms);
- }
-}
-
-static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
- u8 *pattern, u32 patternsize, u8 *mask,
- u32 packet_offset)
-{
- struct brcmf_fil_wowl_pattern_le *filter;
- u32 masksize;
- u32 patternoffset;
- u8 *buf;
- u32 bufsize;
- s32 ret;
-
- masksize = (patternsize + 7) / 8;
- patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
-
- bufsize = sizeof(*filter) + patternsize + masksize;
- buf = kzalloc(bufsize, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
- filter = (struct brcmf_fil_wowl_pattern_le *)buf;
-
- memcpy(filter->cmd, cmd, 4);
- filter->masksize = cpu_to_le32(masksize);
- filter->offset = cpu_to_le32(packet_offset);
- filter->patternoffset = cpu_to_le32(patternoffset);
- filter->patternsize = cpu_to_le32(patternsize);
- filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
-
- if ((mask) && (masksize))
- memcpy(buf + sizeof(*filter), mask, masksize);
- if ((pattern) && (patternsize))
- memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
-
- ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
-
- kfree(buf);
- return ret;
-}
-
-static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct net_device *ndev = cfg_to_ndev(cfg);
- struct brcmf_if *ifp = netdev_priv(ndev);
-
- brcmf_dbg(TRACE, "Enter\n");
-
- if (cfg->wowl_enabled) {
- brcmf_configure_arp_offload(ifp, true);
- brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
- cfg->pre_wowl_pmmode);
- brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
- brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
- cfg->wowl_enabled = false;
- }
- return 0;
-}
-
-static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
- struct brcmf_if *ifp,
- struct cfg80211_wowlan *wowl)
-{
- u32 wowl_config;
- u32 i;
-
- brcmf_dbg(TRACE, "Suspend, wowl config.\n");
-
- brcmf_configure_arp_offload(ifp, false);
- brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode);
- brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
-
- wowl_config = 0;
- if (wowl->disconnect)
- wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
- if (wowl->magic_pkt)
- wowl_config |= BRCMF_WOWL_MAGIC;
- if ((wowl->patterns) && (wowl->n_patterns)) {
- wowl_config |= BRCMF_WOWL_NET;
- for (i = 0; i < wowl->n_patterns; i++) {
- brcmf_config_wowl_pattern(ifp, "add",
- (u8 *)wowl->patterns[i].pattern,
- wowl->patterns[i].pattern_len,
- (u8 *)wowl->patterns[i].mask,
- wowl->patterns[i].pkt_offset);
- }
- }
- brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
- brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
- brcmf_bus_wowl_config(cfg->pub->bus_if, true);
- cfg->wowl_enabled = true;
-}
-
-static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
- struct cfg80211_wowlan *wowl)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct net_device *ndev = cfg_to_ndev(cfg);
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_vif *vif;
-
- brcmf_dbg(TRACE, "Enter\n");
-
- /* if the primary net_device is not READY there is nothing
- * we can do but pray resume goes smoothly.
- */
- if (!check_vif_up(ifp->vif))
- goto exit;
-
- /* end any scanning */
- if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status))
- brcmf_abort_scanning(cfg);
-
- if (wowl == NULL) {
- brcmf_bus_wowl_config(cfg->pub->bus_if, false);
- list_for_each_entry(vif, &cfg->vif_list, list) {
- if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state))
- continue;
- /* While going to suspend if associated with AP
- * disassociate from AP to save power while system is
- * in suspended state
- */
- brcmf_link_down(vif);
- /* Make sure WPA_Supplicant receives all the event
- * generated due to DISASSOC call to the fw to keep
- * the state fw and WPA_Supplicant state consistent
- */
- brcmf_delay(500);
- }
- /* Configure MPC */
- brcmf_set_mpc(ifp, 1);
-
- } else {
- /* Configure WOWL paramaters */
- brcmf_configure_wowl(cfg, ifp, wowl);
- }
-
-exit:
- brcmf_dbg(TRACE, "Exit\n");
- /* clear any scanning activity */
- cfg->scan_status = 0;
- return 0;
-}
-
-static __used s32
-brcmf_update_pmklist(struct net_device *ndev,
- struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
-{
- int i, j;
- int pmkid_len;
-
- pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid);
-
- brcmf_dbg(CONN, "No of elements %d\n", pmkid_len);
- for (i = 0; i < pmkid_len; i++) {
- brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i,
- &pmk_list->pmkids.pmkid[i].BSSID);
- for (j = 0; j < WLAN_PMKID_LEN; j++)
- brcmf_dbg(CONN, "%02x\n",
- pmk_list->pmkids.pmkid[i].PMKID[j]);
- }
-
- if (!err)
- brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info",
- (char *)pmk_list, sizeof(*pmk_list));
-
- return err;
-}
-
-static s32
-brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
- struct cfg80211_pmksa *pmksa)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct pmkid_list *pmkids = &cfg->pmk_list->pmkids;
- s32 err = 0;
- int i;
- int pmkid_len;
-
- brcmf_dbg(TRACE, "Enter\n");
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- pmkid_len = le32_to_cpu(pmkids->npmkid);
- for (i = 0; i < pmkid_len; i++)
- if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
- break;
- if (i < WL_NUM_PMKIDS_MAX) {
- memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
- memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
- if (i == pmkid_len) {
- pmkid_len++;
- pmkids->npmkid = cpu_to_le32(pmkid_len);
- }
- } else
- err = -EINVAL;
-
- brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
- pmkids->pmkid[pmkid_len].BSSID);
- for (i = 0; i < WLAN_PMKID_LEN; i++)
- brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]);
-
- err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
-
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
- struct cfg80211_pmksa *pmksa)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct pmkid_list pmkid;
- s32 err = 0;
- int i, pmkid_len;
-
- brcmf_dbg(TRACE, "Enter\n");
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
- memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
-
- brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
- &pmkid.pmkid[0].BSSID);
- for (i = 0; i < WLAN_PMKID_LEN; i++)
- brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]);
-
- pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid);
- for (i = 0; i < pmkid_len; i++)
- if (!memcmp
- (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID,
- ETH_ALEN))
- break;
-
- if ((pmkid_len > 0)
- && (i < pmkid_len)) {
- memset(&cfg->pmk_list->pmkids.pmkid[i], 0,
- sizeof(struct pmkid));
- for (; i < (pmkid_len - 1); i++) {
- memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID,
- &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID,
- ETH_ALEN);
- memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID,
- &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID,
- WLAN_PMKID_LEN);
- }
- cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1);
- } else
- err = -EINVAL;
-
- err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
-
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-
-}
-
-static s32
-brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_if *ifp = netdev_priv(ndev);
- s32 err = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list));
- err = brcmf_update_pmklist(ndev, cfg->pmk_list, err);
-
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-
-}
-
-/*
- * PFN result doesn't have all the info which are
- * required by the supplicant
- * (For e.g IEs) Do a target Escan so that sched scan results are reported
- * via wl_inform_single_bss in the required format. Escan does require the
- * scan request in the form of cfg80211_scan_request. For timebeing, create
- * cfg80211_scan_request one out of the received PNO event.
- */
-static s32
-brcmf_notify_sched_scan_results(struct brcmf_if *ifp,
- const struct brcmf_event_msg *e, void *data)
-{
- struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
- struct brcmf_pno_net_info_le *netinfo, *netinfo_start;
- struct cfg80211_scan_request *request = NULL;
- struct cfg80211_ssid *ssid = NULL;
- struct ieee80211_channel *channel = NULL;
- struct wiphy *wiphy = cfg_to_wiphy(cfg);
- int err = 0;
- int channel_req = 0;
- int band = 0;
- struct brcmf_pno_scanresults_le *pfn_result;
- u32 result_count;
- u32 status;
-
- brcmf_dbg(SCAN, "Enter\n");
-
- if (e->event_code == BRCMF_E_PFN_NET_LOST) {
- brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n");
- return 0;
- }
-
- pfn_result = (struct brcmf_pno_scanresults_le *)data;
- result_count = le32_to_cpu(pfn_result->count);
- status = le32_to_cpu(pfn_result->status);
-
- /*
- * PFN event is limited to fit 512 bytes so we may get
- * multiple NET_FOUND events. For now place a warning here.
- */
- WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE);
- brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count);
- if (result_count > 0) {
- int i;
-
- request = kzalloc(sizeof(*request), GFP_KERNEL);
- ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL);
- channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL);
- if (!request || !ssid || !channel) {
- err = -ENOMEM;
- goto out_err;
- }
-
- request->wiphy = wiphy;
- data += sizeof(struct brcmf_pno_scanresults_le);
- netinfo_start = (struct brcmf_pno_net_info_le *)data;
-
- for (i = 0; i < result_count; i++) {
- netinfo = &netinfo_start[i];
- if (!netinfo) {
- brcmf_err("Invalid netinfo ptr. index: %d\n",
- i);
- err = -EINVAL;
- goto out_err;
- }
-
- brcmf_dbg(SCAN, "SSID:%s Channel:%d\n",
- netinfo->SSID, netinfo->channel);
- memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len);
- ssid[i].ssid_len = netinfo->SSID_len;
- request->n_ssids++;
-
- channel_req = netinfo->channel;
- if (channel_req <= CH_MAX_2G_CHANNEL)
- band = NL80211_BAND_2GHZ;
- else
- band = NL80211_BAND_5GHZ;
- channel[i].center_freq =
- ieee80211_channel_to_frequency(channel_req,
- band);
- channel[i].band = band;
- channel[i].flags |= IEEE80211_CHAN_NO_HT40;
- request->channels[i] = &channel[i];
- request->n_channels++;
- }
-
- /* assign parsed ssid array */
- if (request->n_ssids)
- request->ssids = &ssid[0];
-
- if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
- /* Abort any on-going scan */
- brcmf_abort_scanning(cfg);
- }
-
- set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
- cfg->escan_info.run = brcmf_run_escan;
- err = brcmf_do_escan(cfg, wiphy, ifp, request);
- if (err) {
- clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
- goto out_err;
- }
- cfg->sched_escan = true;
- cfg->scan_request = request;
- } else {
- brcmf_err("FALSE PNO Event. (pfn_count == 0)\n");
- goto out_err;
- }
-
- kfree(ssid);
- kfree(channel);
- kfree(request);
- return 0;
-
-out_err:
- kfree(ssid);
- kfree(channel);
- kfree(request);
- cfg80211_sched_scan_stopped(wiphy);
- return err;
-}
-
-static int brcmf_dev_pno_clean(struct net_device *ndev)
-{
- int ret;
-
- /* Disable pfn */
- ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0);
- if (ret == 0) {
- /* clear pfn */
- ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear",
- NULL, 0);
- }
- if (ret < 0)
- brcmf_err("failed code %d\n", ret);
-
- return ret;
-}
-
-static int brcmf_dev_pno_config(struct net_device *ndev)
-{
- struct brcmf_pno_param_le pfn_param;
-
- memset(&pfn_param, 0, sizeof(pfn_param));
- pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION);
-
- /* set extra pno params */
- pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT);
- pfn_param.repeat = BRCMF_PNO_REPEAT;
- pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX;
-
- /* set up pno scan fr */
- pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME);
-
- return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set",
- &pfn_param, sizeof(pfn_param));
-}
-
-static int
-brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
- struct net_device *ndev,
- struct cfg80211_sched_scan_request *request)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
- struct brcmf_pno_net_param_le pfn;
- int i;
- int ret = 0;
-
- brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n",
- request->n_match_sets, request->n_ssids);
- if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
- brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
- return -EAGAIN;
- }
- if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) {
- brcmf_err("Scanning suppressed: status (%lu)\n",
- cfg->scan_status);
- return -EAGAIN;
- }
-
- if (!request->n_ssids || !request->n_match_sets) {
- brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n",
- request->n_ssids);
- return -EINVAL;
- }
-
- if (request->n_ssids > 0) {
- for (i = 0; i < request->n_ssids; i++) {
- /* Active scan req for ssids */
- brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n",
- request->ssids[i].ssid);
-
- /*
- * match_set ssids is a supert set of n_ssid list,
- * so we need not add these set seperately.
- */
- }
- }
-
- if (request->n_match_sets > 0) {
- /* clean up everything */
- ret = brcmf_dev_pno_clean(ndev);
- if (ret < 0) {
- brcmf_err("failed error=%d\n", ret);
- return ret;
- }
-
- /* configure pno */
- ret = brcmf_dev_pno_config(ndev);
- if (ret < 0) {
- brcmf_err("PNO setup failed!! ret=%d\n", ret);
- return -EINVAL;
- }
-
- /* configure each match set */
- for (i = 0; i < request->n_match_sets; i++) {
- struct cfg80211_ssid *ssid;
- u32 ssid_len;
-
- ssid = &request->match_sets[i].ssid;
- ssid_len = ssid->ssid_len;
-
- if (!ssid_len) {
- brcmf_err("skip broadcast ssid\n");
- continue;
- }
- pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN);
- pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY);
- pfn.wsec = cpu_to_le32(0);
- pfn.infra = cpu_to_le32(1);
- pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
- pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
- memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
- ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
- sizeof(pfn));
- brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n",
- ret == 0 ? "set" : "failed", ssid->ssid);
- }
- /* Enable the PNO */
- if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
- brcmf_err("PNO enable failed!! ret=%d\n", ret);
- return -EINVAL;
- }
- } else {
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy,
- struct net_device *ndev)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
-
- brcmf_dbg(SCAN, "enter\n");
- brcmf_dev_pno_clean(ndev);
- if (cfg->sched_escan)
- brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true);
- return 0;
-}
-
-static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp)
-{
- s32 err;
-
- /* set auth */
- err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0);
- if (err < 0) {
- brcmf_err("auth error %d\n", err);
- return err;
- }
- /* set wsec */
- err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0);
- if (err < 0) {
- brcmf_err("wsec error %d\n", err);
- return err;
- }
- /* set upper-layer auth */
- err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE);
- if (err < 0) {
- brcmf_err("wpa_auth error %d\n", err);
- return err;
- }
-
- return 0;
-}
-
-static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie)
-{
- if (is_rsn_ie)
- return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0);
-
- return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0);
-}
-
-static s32
-brcmf_configure_wpaie(struct net_device *ndev,
- const struct brcmf_vs_tlv *wpa_ie,
- bool is_rsn_ie)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- u32 auth = 0; /* d11 open authentication */
- u16 count;
- s32 err = 0;
- s32 len = 0;
- u32 i;
- u32 wsec;
- u32 pval = 0;
- u32 gval = 0;
- u32 wpa_auth = 0;
- u32 offset;
- u8 *data;
- u16 rsn_cap;
- u32 wme_bss_disable;
-
- brcmf_dbg(TRACE, "Enter\n");
- if (wpa_ie == NULL)
- goto exit;
-
- len = wpa_ie->len + TLV_HDR_LEN;
- data = (u8 *)wpa_ie;
- offset = TLV_HDR_LEN;
- if (!is_rsn_ie)
- offset += VS_IE_FIXED_HDR_LEN;
- else
- offset += WPA_IE_VERSION_LEN;
-
- /* check for multicast cipher suite */
- if (offset + WPA_IE_MIN_OUI_LEN > len) {
- err = -EINVAL;
- brcmf_err("no multicast cipher suite\n");
- goto exit;
- }
-
- if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
- err = -EINVAL;
- brcmf_err("ivalid OUI\n");
- goto exit;
- }
- offset += TLV_OUI_LEN;
-
- /* pick up multicast cipher */
- switch (data[offset]) {
- case WPA_CIPHER_NONE:
- gval = 0;
- break;
- case WPA_CIPHER_WEP_40:
- case WPA_CIPHER_WEP_104:
- gval = WEP_ENABLED;
- break;
- case WPA_CIPHER_TKIP:
- gval = TKIP_ENABLED;
- break;
- case WPA_CIPHER_AES_CCM:
- gval = AES_ENABLED;
- break;
- default:
- err = -EINVAL;
- brcmf_err("Invalid multi cast cipher info\n");
- goto exit;
- }
-
- offset++;
- /* walk thru unicast cipher list and pick up what we recognize */
- count = data[offset] + (data[offset + 1] << 8);
- offset += WPA_IE_SUITE_COUNT_LEN;
- /* Check for unicast suite(s) */
- if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
- err = -EINVAL;
- brcmf_err("no unicast cipher suite\n");
- goto exit;
- }
- for (i = 0; i < count; i++) {
- if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
- err = -EINVAL;
- brcmf_err("ivalid OUI\n");
- goto exit;
- }
- offset += TLV_OUI_LEN;
- switch (data[offset]) {
- case WPA_CIPHER_NONE:
- break;
- case WPA_CIPHER_WEP_40:
- case WPA_CIPHER_WEP_104:
- pval |= WEP_ENABLED;
- break;
- case WPA_CIPHER_TKIP:
- pval |= TKIP_ENABLED;
- break;
- case WPA_CIPHER_AES_CCM:
- pval |= AES_ENABLED;
- break;
- default:
- brcmf_err("Ivalid unicast security info\n");
- }
- offset++;
- }
- /* walk thru auth management suite list and pick up what we recognize */
- count = data[offset] + (data[offset + 1] << 8);
- offset += WPA_IE_SUITE_COUNT_LEN;
- /* Check for auth key management suite(s) */
- if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) {
- err = -EINVAL;
- brcmf_err("no auth key mgmt suite\n");
- goto exit;
- }
- for (i = 0; i < count; i++) {
- if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) {
- err = -EINVAL;
- brcmf_err("ivalid OUI\n");
- goto exit;
- }
- offset += TLV_OUI_LEN;
- switch (data[offset]) {
- case RSN_AKM_NONE:
- brcmf_dbg(TRACE, "RSN_AKM_NONE\n");
- wpa_auth |= WPA_AUTH_NONE;
- break;
- case RSN_AKM_UNSPECIFIED:
- brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n");
- is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) :
- (wpa_auth |= WPA_AUTH_UNSPECIFIED);
- break;
- case RSN_AKM_PSK:
- brcmf_dbg(TRACE, "RSN_AKM_PSK\n");
- is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) :
- (wpa_auth |= WPA_AUTH_PSK);
- break;
- default:
- brcmf_err("Ivalid key mgmt info\n");
- }
- offset++;
- }
-
- if (is_rsn_ie) {
- wme_bss_disable = 1;
- if ((offset + RSN_CAP_LEN) <= len) {
- rsn_cap = data[offset] + (data[offset + 1] << 8);
- if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK)
- wme_bss_disable = 0;
- }
- /* set wme_bss_disable to sync RSN Capabilities */
- err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable",
- wme_bss_disable);
- if (err < 0) {
- brcmf_err("wme_bss_disable error %d\n", err);
- goto exit;
- }
- }
- /* FOR WPS , set SES_OW_ENABLED */
- wsec = (pval | gval | SES_OW_ENABLED);
-
- /* set auth */
- err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth);
- if (err < 0) {
- brcmf_err("auth error %d\n", err);
- goto exit;
- }
- /* set wsec */
- err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec);
- if (err < 0) {
- brcmf_err("wsec error %d\n", err);
- goto exit;
- }
- /* set upper-layer auth */
- err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth);
- if (err < 0) {
- brcmf_err("wpa_auth error %d\n", err);
- goto exit;
- }
-
-exit:
- return err;
-}
-
-static s32
-brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len,
- struct parsed_vndr_ies *vndr_ies)
-{
- struct brcmf_vs_tlv *vndrie;
- struct brcmf_tlv *ie;
- struct parsed_vndr_ie_info *parsed_info;
- s32 remaining_len;
-
- remaining_len = (s32)vndr_ie_len;
- memset(vndr_ies, 0, sizeof(*vndr_ies));
-
- ie = (struct brcmf_tlv *)vndr_ie_buf;
- while (ie) {
- if (ie->id != WLAN_EID_VENDOR_SPECIFIC)
- goto next;
- vndrie = (struct brcmf_vs_tlv *)ie;
- /* len should be bigger than OUI length + one */
- if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) {
- brcmf_err("invalid vndr ie. length is too small %d\n",
- vndrie->len);
- goto next;
- }
- /* if wpa or wme ie, do not add ie */
- if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) &&
- ((vndrie->oui_type == WPA_OUI_TYPE) ||
- (vndrie->oui_type == WME_OUI_TYPE))) {
- brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n");
- goto next;
- }
-
- parsed_info = &vndr_ies->ie_info[vndr_ies->count];
-
- /* save vndr ie information */
- parsed_info->ie_ptr = (char *)vndrie;
- parsed_info->ie_len = vndrie->len + TLV_HDR_LEN;
- memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie));
-
- vndr_ies->count++;
-
- brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n",
- parsed_info->vndrie.oui[0],
- parsed_info->vndrie.oui[1],
- parsed_info->vndrie.oui[2],
- parsed_info->vndrie.oui_type);
-
- if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT)
- break;
-next:
- remaining_len -= (ie->len + TLV_HDR_LEN);
- if (remaining_len <= TLV_HDR_LEN)
- ie = NULL;
- else
- ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len +
- TLV_HDR_LEN);
- }
- return 0;
-}
-
-static u32
-brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd)
-{
-
- __le32 iecount_le;
- __le32 pktflag_le;
-
- strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1);
- iebuf[VNDR_IE_CMD_LEN - 1] = '\0';
-
- iecount_le = cpu_to_le32(1);
- memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le));
-
- pktflag_le = cpu_to_le32(pktflag);
- memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le));
-
- memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len);
-
- return ie_len + VNDR_IE_HDR_SIZE;
-}
-
-s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
- const u8 *vndr_ie_buf, u32 vndr_ie_len)
-{
- struct brcmf_if *ifp;
- struct vif_saved_ie *saved_ie;
- s32 err = 0;
- u8 *iovar_ie_buf;
- u8 *curr_ie_buf;
- u8 *mgmt_ie_buf = NULL;
- int mgmt_ie_buf_len;
- u32 *mgmt_ie_len;
- u32 del_add_ie_buf_len = 0;
- u32 total_ie_buf_len = 0;
- u32 parsed_ie_buf_len = 0;
- struct parsed_vndr_ies old_vndr_ies;
- struct parsed_vndr_ies new_vndr_ies;
- struct parsed_vndr_ie_info *vndrie_info;
- s32 i;
- u8 *ptr;
- int remained_buf_len;
-
- if (!vif)
- return -ENODEV;
- ifp = vif->ifp;
- saved_ie = &vif->saved_ie;
-
- brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag);
- iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
- if (!iovar_ie_buf)
- return -ENOMEM;
- curr_ie_buf = iovar_ie_buf;
- switch (pktflag) {
- case BRCMF_VNDR_IE_PRBREQ_FLAG:
- mgmt_ie_buf = saved_ie->probe_req_ie;
- mgmt_ie_len = &saved_ie->probe_req_ie_len;
- mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie);
- break;
- case BRCMF_VNDR_IE_PRBRSP_FLAG:
- mgmt_ie_buf = saved_ie->probe_res_ie;
- mgmt_ie_len = &saved_ie->probe_res_ie_len;
- mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie);
- break;
- case BRCMF_VNDR_IE_BEACON_FLAG:
- mgmt_ie_buf = saved_ie->beacon_ie;
- mgmt_ie_len = &saved_ie->beacon_ie_len;
- mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie);
- break;
- case BRCMF_VNDR_IE_ASSOCREQ_FLAG:
- mgmt_ie_buf = saved_ie->assoc_req_ie;
- mgmt_ie_len = &saved_ie->assoc_req_ie_len;
- mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
- break;
- default:
- err = -EPERM;
- brcmf_err("not suitable type\n");
- goto exit;
- }
-
- if (vndr_ie_len > mgmt_ie_buf_len) {
- err = -ENOMEM;
- brcmf_err("extra IE size too big\n");
- goto exit;
- }
-
- /* parse and save new vndr_ie in curr_ie_buff before comparing it */
- if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) {
- ptr = curr_ie_buf;
- brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies);
- for (i = 0; i < new_vndr_ies.count; i++) {
- vndrie_info = &new_vndr_ies.ie_info[i];
- memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr,
- vndrie_info->ie_len);
- parsed_ie_buf_len += vndrie_info->ie_len;
- }
- }
-
- if (mgmt_ie_buf && *mgmt_ie_len) {
- if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) &&
- (memcmp(mgmt_ie_buf, curr_ie_buf,
- parsed_ie_buf_len) == 0)) {
- brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n");
- goto exit;
- }
-
- /* parse old vndr_ie */
- brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies);
-
- /* make a command to delete old ie */
- for (i = 0; i < old_vndr_ies.count; i++) {
- vndrie_info = &old_vndr_ies.ie_info[i];
-
- brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n",
- vndrie_info->vndrie.id,
- vndrie_info->vndrie.len,
- vndrie_info->vndrie.oui[0],
- vndrie_info->vndrie.oui[1],
- vndrie_info->vndrie.oui[2]);
-
- del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
- vndrie_info->ie_ptr,
- vndrie_info->ie_len,
- "del");
- curr_ie_buf += del_add_ie_buf_len;
- total_ie_buf_len += del_add_ie_buf_len;
- }
- }
-
- *mgmt_ie_len = 0;
- /* Add if there is any extra IE */
- if (mgmt_ie_buf && parsed_ie_buf_len) {
- ptr = mgmt_ie_buf;
-
- remained_buf_len = mgmt_ie_buf_len;
-
- /* make a command to add new ie */
- for (i = 0; i < new_vndr_ies.count; i++) {
- vndrie_info = &new_vndr_ies.ie_info[i];
-
- /* verify remained buf size before copy data */
- if (remained_buf_len < (vndrie_info->vndrie.len +
- VNDR_IE_VSIE_OFFSET)) {
- brcmf_err("no space in mgmt_ie_buf: len left %d",
- remained_buf_len);
- break;
- }
- remained_buf_len -= (vndrie_info->ie_len +
- VNDR_IE_VSIE_OFFSET);
-
- brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n",
- vndrie_info->vndrie.id,
- vndrie_info->vndrie.len,
- vndrie_info->vndrie.oui[0],
- vndrie_info->vndrie.oui[1],
- vndrie_info->vndrie.oui[2]);
-
- del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag,
- vndrie_info->ie_ptr,
- vndrie_info->ie_len,
- "add");
-
- /* save the parsed IE in wl struct */
- memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr,
- vndrie_info->ie_len);
- *mgmt_ie_len += vndrie_info->ie_len;
-
- curr_ie_buf += del_add_ie_buf_len;
- total_ie_buf_len += del_add_ie_buf_len;
- }
- }
- if (total_ie_buf_len) {
- err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
- total_ie_buf_len);
- if (err)
- brcmf_err("vndr ie set error : %d\n", err);
- }
-
-exit:
- kfree(iovar_ie_buf);
- return err;
-}
-
-s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif)
-{
- s32 pktflags[] = {
- BRCMF_VNDR_IE_PRBREQ_FLAG,
- BRCMF_VNDR_IE_PRBRSP_FLAG,
- BRCMF_VNDR_IE_BEACON_FLAG
- };
- int i;
-
- for (i = 0; i < ARRAY_SIZE(pktflags); i++)
- brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0);
-
- memset(&vif->saved_ie, 0, sizeof(vif->saved_ie));
- return 0;
-}
-
-static s32
-brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
- struct cfg80211_beacon_data *beacon)
-{
- s32 err;
-
- /* Set Beacon IEs to FW */
- err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG,
- beacon->tail, beacon->tail_len);
- if (err) {
- brcmf_err("Set Beacon IE Failed\n");
- return err;
- }
- brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n");
-
- /* Set Probe Response IEs to FW */
- err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG,
- beacon->proberesp_ies,
- beacon->proberesp_ies_len);
- if (err)
- brcmf_err("Set Probe Resp IE Failed\n");
- else
- brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
-
- return err;
-}
-
-static s32
-brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
- struct cfg80211_ap_settings *settings)
-{
- s32 ie_offset;
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_if *ifp = netdev_priv(ndev);
- const struct brcmf_tlv *ssid_ie;
- struct brcmf_ssid_le ssid_le;
- s32 err = -EPERM;
- const struct brcmf_tlv *rsn_ie;
- const struct brcmf_vs_tlv *wpa_ie;
- struct brcmf_join_params join_params;
- enum nl80211_iftype dev_role;
- struct brcmf_fil_bss_enable_le bss_enable;
- u16 chanspec;
-
- brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n",
- settings->chandef.chan->hw_value,
- settings->chandef.center_freq1, settings->chandef.width,
- settings->beacon_interval, settings->dtim_period);
- brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n",
- settings->ssid, settings->ssid_len, settings->auth_type,
- settings->inactivity_timeout);
-
- dev_role = ifp->vif->wdev.iftype;
-
- memset(&ssid_le, 0, sizeof(ssid_le));
- if (settings->ssid == NULL || settings->ssid_len == 0) {
- ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN;
- ssid_ie = brcmf_parse_tlvs(
- (u8 *)&settings->beacon.head[ie_offset],
- settings->beacon.head_len - ie_offset,
- WLAN_EID_SSID);
- if (!ssid_ie)
- return -EINVAL;
-
- memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len);
- ssid_le.SSID_len = cpu_to_le32(ssid_ie->len);
- brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID);
- } else {
- memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len);
- ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len);
- }
-
- brcmf_set_mpc(ifp, 0);
- brcmf_configure_arp_offload(ifp, false);
-
- /* find the RSN_IE */
- rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
- settings->beacon.tail_len, WLAN_EID_RSN);
-
- /* find the WPA_IE */
- wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
- settings->beacon.tail_len);
-
- if ((wpa_ie != NULL || rsn_ie != NULL)) {
- brcmf_dbg(TRACE, "WPA(2) IE is found\n");
- if (wpa_ie != NULL) {
- /* WPA IE */
- err = brcmf_configure_wpaie(ndev, wpa_ie, false);
- if (err < 0)
- goto exit;
- } else {
- /* RSN IE */
- err = brcmf_configure_wpaie(ndev,
- (struct brcmf_vs_tlv *)rsn_ie, true);
- if (err < 0)
- goto exit;
- }
- } else {
- brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
- brcmf_configure_opensecurity(ifp);
- }
-
- brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon);
-
- chanspec = chandef_to_chanspec(&cfg->d11inf, &settings->chandef);
- err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec);
- if (err < 0) {
- brcmf_err("Set Channel failed: chspec=%d, %d\n", chanspec, err);
- goto exit;
- }
-
- if (settings->beacon_interval) {
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD,
- settings->beacon_interval);
- if (err < 0) {
- brcmf_err("Beacon Interval Set Error, %d\n", err);
- goto exit;
- }
- }
- if (settings->dtim_period) {
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD,
- settings->dtim_period);
- if (err < 0) {
- brcmf_err("DTIM Interval Set Error, %d\n", err);
- goto exit;
- }
- }
-
- if (dev_role == NL80211_IFTYPE_AP) {
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
- if (err < 0) {
- brcmf_err("BRCMF_C_DOWN error %d\n", err);
- goto exit;
- }
- brcmf_fil_iovar_int_set(ifp, "apsta", 0);
- }
-
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1);
- if (err < 0) {
- brcmf_err("SET INFRA error %d\n", err);
- goto exit;
- }
- if (dev_role == NL80211_IFTYPE_AP) {
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1);
- if (err < 0) {
- brcmf_err("setting AP mode failed %d\n", err);
- goto exit;
- }
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1);
- if (err < 0) {
- brcmf_err("BRCMF_C_UP error (%d)\n", err);
- goto exit;
- }
-
- memset(&join_params, 0, sizeof(join_params));
- /* join parameters starts with ssid */
- memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le));
- /* create softap */
- err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
- &join_params, sizeof(join_params));
- if (err < 0) {
- brcmf_err("SET SSID error (%d)\n", err);
- goto exit;
- }
- brcmf_dbg(TRACE, "AP mode configuration complete\n");
- } else {
- err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
- sizeof(ssid_le));
- if (err < 0) {
- brcmf_err("setting ssid failed %d\n", err);
- goto exit;
- }
- bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
- bss_enable.enable = cpu_to_le32(1);
- err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
- sizeof(bss_enable));
- if (err < 0) {
- brcmf_err("bss_enable config failed %d\n", err);
- goto exit;
- }
-
- brcmf_dbg(TRACE, "GO mode configuration complete\n");
- }
- clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
- set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
-
-exit:
- if (err) {
- brcmf_set_mpc(ifp, 1);
- brcmf_configure_arp_offload(ifp, true);
- }
- return err;
-}
-
-static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- s32 err;
- struct brcmf_fil_bss_enable_le bss_enable;
- struct brcmf_join_params join_params;
-
- brcmf_dbg(TRACE, "Enter\n");
-
- if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) {
- /* Due to most likely deauths outstanding we sleep */
- /* first to make sure they get processed by fw. */
- msleep(400);
-
- memset(&join_params, 0, sizeof(join_params));
- err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
- &join_params, sizeof(join_params));
- if (err < 0)
- brcmf_err("SET SSID error (%d)\n", err);
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
- if (err < 0)
- brcmf_err("BRCMF_C_UP error %d\n", err);
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
- if (err < 0)
- brcmf_err("setting AP mode failed %d\n", err);
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
- if (err < 0)
- brcmf_err("setting INFRA mode failed %d\n", err);
- } else {
- bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
- bss_enable.enable = cpu_to_le32(0);
- err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable,
- sizeof(bss_enable));
- if (err < 0)
- brcmf_err("bss_enable config failed %d\n", err);
- }
- brcmf_set_mpc(ifp, 1);
- brcmf_configure_arp_offload(ifp, true);
- set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
- clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
-
- return err;
-}
-
-static s32
-brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
- struct cfg80211_beacon_data *info)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- s32 err;
-
- brcmf_dbg(TRACE, "Enter\n");
-
- err = brcmf_config_ap_mgmt_ie(ifp->vif, info);
-
- return err;
-}
-
-static int
-brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev,
- const u8 *mac)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_scb_val_le scbval;
- struct brcmf_if *ifp = netdev_priv(ndev);
- s32 err;
-
- if (!mac)
- return -EFAULT;
-
- brcmf_dbg(TRACE, "Enter %pM\n", mac);
-
- if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
- ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
- if (!check_vif_up(ifp->vif))
- return -EIO;
-
- memcpy(&scbval.ea, mac, ETH_ALEN);
- scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING);
- err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON,
- &scbval, sizeof(scbval));
- if (err)
- brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err);
-
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-
-static void
-brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- u16 frame_type, bool reg)
-{
- struct brcmf_cfg80211_vif *vif;
- u16 mgmt_type;
-
- brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
-
- mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
- vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
- if (reg)
- vif->mgmt_rx_reg |= BIT(mgmt_type);
- else
- vif->mgmt_rx_reg &= ~BIT(mgmt_type);
-}
-
-
-static int
-brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
- struct cfg80211_mgmt_tx_params *params, u64 *cookie)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct ieee80211_channel *chan = params->chan;
- const u8 *buf = params->buf;
- size_t len = params->len;
- const struct ieee80211_mgmt *mgmt;
- struct brcmf_cfg80211_vif *vif;
- s32 err = 0;
- s32 ie_offset;
- s32 ie_len;
- struct brcmf_fil_action_frame_le *action_frame;
- struct brcmf_fil_af_params_le *af_params;
- bool ack;
- s32 chan_nr;
- u32 freq;
-
- brcmf_dbg(TRACE, "Enter\n");
-
- *cookie = 0;
-
- mgmt = (const struct ieee80211_mgmt *)buf;
-
- if (!ieee80211_is_mgmt(mgmt->frame_control)) {
- brcmf_err("Driver only allows MGMT packet type\n");
- return -EPERM;
- }
-
- vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
-
- if (ieee80211_is_probe_resp(mgmt->frame_control)) {
- /* Right now the only reason to get a probe response */
- /* is for p2p listen response or for p2p GO from */
- /* wpa_supplicant. Unfortunately the probe is send */
- /* on primary ndev, while dongle wants it on the p2p */
- /* vif. Since this is only reason for a probe */
- /* response to be sent, the vif is taken from cfg. */
- /* If ever desired to send proberesp for non p2p */
- /* response then data should be checked for */
- /* "DIRECT-". Note in future supplicant will take */
- /* dedicated p2p wdev to do this and then this 'hack'*/
- /* is not needed anymore. */
- ie_offset = DOT11_MGMT_HDR_LEN +
- DOT11_BCN_PRB_FIXED_LEN;
- ie_len = len - ie_offset;
- if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif)
- vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
- err = brcmf_vif_set_mgmt_ie(vif,
- BRCMF_VNDR_IE_PRBRSP_FLAG,
- &buf[ie_offset],
- ie_len);
- cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
- GFP_KERNEL);
- } else if (ieee80211_is_action(mgmt->frame_control)) {
- af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
- if (af_params == NULL) {
- brcmf_err("unable to allocate frame\n");
- err = -ENOMEM;
- goto exit;
- }
- action_frame = &af_params->action_frame;
- /* Add the packet Id */
- action_frame->packet_id = cpu_to_le32(*cookie);
- /* Add BSSID */
- memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN);
- memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN);
- /* Add the length exepted for 802.11 header */
- action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN);
- /* Add the channel. Use the one specified as parameter if any or
- * the current one (got from the firmware) otherwise
- */
- if (chan)
- freq = chan->center_freq;
- else
- brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL,
- &freq);
- chan_nr = ieee80211_frequency_to_channel(freq);
- af_params->channel = cpu_to_le32(chan_nr);
-
- memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN],
- le16_to_cpu(action_frame->len));
-
- brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n",
- *cookie, le16_to_cpu(action_frame->len), freq);
-
- ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg),
- af_params);
-
- cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack,
- GFP_KERNEL);
- kfree(af_params);
- } else {
- brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control);
- brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len);
- }
-
-exit:
- return err;
-}
-
-
-static int
-brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- u64 cookie)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_cfg80211_vif *vif;
- int err = 0;
-
- brcmf_dbg(TRACE, "Enter p2p listen cancel\n");
-
- vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
- if (vif == NULL) {
- brcmf_err("No p2p device available for probe response\n");
- err = -ENODEV;
- goto exit;
- }
- brcmf_p2p_cancel_remain_on_channel(vif->ifp);
-exit:
- return err;
-}
-
-static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- enum nl80211_crit_proto_id proto,
- u16 duration)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_cfg80211_vif *vif;
-
- vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
-
- /* only DHCP support for now */
- if (proto != NL80211_CRIT_PROTO_DHCP)
- return -EINVAL;
-
- /* suppress and abort scanning */
- set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
- brcmf_abort_scanning(cfg);
-
- return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration);
-}
-
-static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy,
- struct wireless_dev *wdev)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
- struct brcmf_cfg80211_vif *vif;
-
- vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
-
- brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0);
- clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status);
-}
-
-static s32
-brcmf_notify_tdls_peer_event(struct brcmf_if *ifp,
- const struct brcmf_event_msg *e, void *data)
-{
- switch (e->reason) {
- case BRCMF_E_REASON_TDLS_PEER_DISCOVERED:
- brcmf_dbg(TRACE, "TDLS Peer Discovered\n");
- break;
- case BRCMF_E_REASON_TDLS_PEER_CONNECTED:
- brcmf_dbg(TRACE, "TDLS Peer Connected\n");
- brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
- break;
- case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED:
- brcmf_dbg(TRACE, "TDLS Peer Disconnected\n");
- brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
- break;
- }
-
- return 0;
-}
-
-static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper)
-{
- int ret;
-
- switch (oper) {
- case NL80211_TDLS_DISCOVERY_REQ:
- ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY;
- break;
- case NL80211_TDLS_SETUP:
- ret = BRCMF_TDLS_MANUAL_EP_CREATE;
- break;
- case NL80211_TDLS_TEARDOWN:
- ret = BRCMF_TDLS_MANUAL_EP_DELETE;
- break;
- default:
- brcmf_err("unsupported operation: %d\n", oper);
- ret = -EOPNOTSUPP;
- }
- return ret;
-}
-
-static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy,
- struct net_device *ndev, const u8 *peer,
- enum nl80211_tdls_operation oper)
-{
- struct brcmf_if *ifp;
- struct brcmf_tdls_iovar_le info;
- int ret = 0;
-
- ret = brcmf_convert_nl80211_tdls_oper(oper);
- if (ret < 0)
- return ret;
-
- ifp = netdev_priv(ndev);
- memset(&info, 0, sizeof(info));
- info.mode = (u8)ret;
- if (peer)
- memcpy(info.ea, peer, ETH_ALEN);
-
- ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint",
- &info, sizeof(info));
- if (ret < 0)
- brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret);
-
- return ret;
-}
-
-static struct cfg80211_ops wl_cfg80211_ops = {
- .add_virtual_intf = brcmf_cfg80211_add_iface,
- .del_virtual_intf = brcmf_cfg80211_del_iface,
- .change_virtual_intf = brcmf_cfg80211_change_iface,
- .scan = brcmf_cfg80211_scan,
- .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
- .join_ibss = brcmf_cfg80211_join_ibss,
- .leave_ibss = brcmf_cfg80211_leave_ibss,
- .get_station = brcmf_cfg80211_get_station,
- .set_tx_power = brcmf_cfg80211_set_tx_power,
- .get_tx_power = brcmf_cfg80211_get_tx_power,
- .add_key = brcmf_cfg80211_add_key,
- .del_key = brcmf_cfg80211_del_key,
- .get_key = brcmf_cfg80211_get_key,
- .set_default_key = brcmf_cfg80211_config_default_key,
- .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
- .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
- .connect = brcmf_cfg80211_connect,
- .disconnect = brcmf_cfg80211_disconnect,
- .suspend = brcmf_cfg80211_suspend,
- .resume = brcmf_cfg80211_resume,
- .set_pmksa = brcmf_cfg80211_set_pmksa,
- .del_pmksa = brcmf_cfg80211_del_pmksa,
- .flush_pmksa = brcmf_cfg80211_flush_pmksa,
- .start_ap = brcmf_cfg80211_start_ap,
- .stop_ap = brcmf_cfg80211_stop_ap,
- .change_beacon = brcmf_cfg80211_change_beacon,
- .del_station = brcmf_cfg80211_del_station,
- .sched_scan_start = brcmf_cfg80211_sched_scan_start,
- .sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
- .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
- .mgmt_tx = brcmf_cfg80211_mgmt_tx,
- .remain_on_channel = brcmf_p2p_remain_on_channel,
- .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
- .start_p2p_device = brcmf_p2p_start_device,
- .stop_p2p_device = brcmf_p2p_stop_device,
- .crit_proto_start = brcmf_cfg80211_crit_proto_start,
- .crit_proto_stop = brcmf_cfg80211_crit_proto_stop,
- .tdls_oper = brcmf_cfg80211_tdls_oper,
-};
-
-struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
- enum nl80211_iftype type,
- bool pm_block)
-{
- struct brcmf_cfg80211_vif *vif;
-
- brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n",
- sizeof(*vif));
- vif = kzalloc(sizeof(*vif), GFP_KERNEL);
- if (!vif)
- return ERR_PTR(-ENOMEM);
-
- vif->wdev.wiphy = cfg->wiphy;
- vif->wdev.iftype = type;
-
- vif->pm_block = pm_block;
- vif->roam_off = -1;
-
- brcmf_init_prof(&vif->profile);
-
- list_add_tail(&vif->list, &cfg->vif_list);
- return vif;
-}
-
-void brcmf_free_vif(struct brcmf_cfg80211_vif *vif)
-{
- list_del(&vif->list);
- kfree(vif);
-}
-
-void brcmf_cfg80211_free_netdev(struct net_device *ndev)
-{
- struct brcmf_cfg80211_vif *vif;
- struct brcmf_if *ifp;
-
- ifp = netdev_priv(ndev);
- vif = ifp->vif;
-
- brcmf_free_vif(vif);
- free_netdev(ndev);
-}
-
-static bool brcmf_is_linkup(const struct brcmf_event_msg *e)
-{
- u32 event = e->event_code;
- u32 status = e->status;
-
- if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
- brcmf_dbg(CONN, "Processing set ssid\n");
- return true;
- }
-
- return false;
-}
-
-static bool brcmf_is_linkdown(const struct brcmf_event_msg *e)
-{
- u32 event = e->event_code;
- u16 flags = e->flags;
-
- if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) ||
- (event == BRCMF_E_DISASSOC_IND) ||
- ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) {
- brcmf_dbg(CONN, "Processing link down\n");
- return true;
- }
- return false;
-}
-
-static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg,
- const struct brcmf_event_msg *e)
-{
- u32 event = e->event_code;
- u32 status = e->status;
-
- if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
- brcmf_dbg(CONN, "Processing Link %s & no network found\n",
- e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down");
- return true;
- }
-
- if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
- brcmf_dbg(CONN, "Processing connecting & no network found\n");
- return true;
- }
-
- return false;
-}
-
-static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
-{
- struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
-
- kfree(conn_info->req_ie);
- conn_info->req_ie = NULL;
- conn_info->req_ie_len = 0;
- kfree(conn_info->resp_ie);
- conn_info->resp_ie = NULL;
- conn_info->resp_ie_len = 0;
-}
-
-static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
- struct brcmf_if *ifp)
-{
- struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
- struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
- u32 req_len;
- u32 resp_len;
- s32 err = 0;
-
- brcmf_clear_assoc_ies(cfg);
-
- err = brcmf_fil_iovar_data_get(ifp, "assoc_info",
- cfg->extra_buf, WL_ASSOC_INFO_MAX);
- if (err) {
- brcmf_err("could not get assoc info (%d)\n", err);
- return err;
- }
- assoc_info =
- (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf;
- req_len = le32_to_cpu(assoc_info->req_len);
- resp_len = le32_to_cpu(assoc_info->resp_len);
- if (req_len) {
- err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies",
- cfg->extra_buf,
- WL_ASSOC_INFO_MAX);
- if (err) {
- brcmf_err("could not get assoc req (%d)\n", err);
- return err;
- }
- conn_info->req_ie_len = req_len;
- conn_info->req_ie =
- kmemdup(cfg->extra_buf, conn_info->req_ie_len,
- GFP_KERNEL);
- } else {
- conn_info->req_ie_len = 0;
- conn_info->req_ie = NULL;
- }
- if (resp_len) {
- err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies",
- cfg->extra_buf,
- WL_ASSOC_INFO_MAX);
- if (err) {
- brcmf_err("could not get assoc resp (%d)\n", err);
- return err;
- }
- conn_info->resp_ie_len = resp_len;
- conn_info->resp_ie =
- kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
- GFP_KERNEL);
- } else {
- conn_info->resp_ie_len = 0;
- conn_info->resp_ie = NULL;
- }
- brcmf_dbg(CONN, "req len (%d) resp len (%d)\n",
- conn_info->req_ie_len, conn_info->resp_ie_len);
-
- return err;
-}
-
-static s32
-brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
- struct net_device *ndev,
- const struct brcmf_event_msg *e)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
- struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
- struct wiphy *wiphy = cfg_to_wiphy(cfg);
- struct ieee80211_channel *notify_channel = NULL;
- struct ieee80211_supported_band *band;
- struct brcmf_bss_info_le *bi;
- struct brcmu_chan ch;
- u32 freq;
- s32 err = 0;
- u8 *buf;
-
- brcmf_dbg(TRACE, "Enter\n");
-
- brcmf_get_assoc_ies(cfg, ifp);
- memcpy(profile->bssid, e->addr, ETH_ALEN);
- brcmf_update_bss_info(cfg, ifp);
-
- buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
- if (buf == NULL) {
- err = -ENOMEM;
- goto done;
- }
-
- /* data sent to dongle has to be little endian */
- *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
- err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
- buf, WL_BSS_INFO_MAX);
-
- if (err)
- goto done;
-
- bi = (struct brcmf_bss_info_le *)(buf + 4);
- ch.chspec = le16_to_cpu(bi->chanspec);
- cfg->d11inf.decchspec(&ch);
-
- if (ch.band == BRCMU_CHAN_BAND_2G)
- band = wiphy->bands[IEEE80211_BAND_2GHZ];
- else
- band = wiphy->bands[IEEE80211_BAND_5GHZ];
-
- freq = ieee80211_channel_to_frequency(ch.chnum, band->band);
- notify_channel = ieee80211_get_channel(wiphy, freq);
-
-done:
- kfree(buf);
- cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid,
- conn_info->req_ie, conn_info->req_ie_len,
- conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
- brcmf_dbg(CONN, "Report roaming result\n");
-
- set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
- brcmf_dbg(TRACE, "Exit\n");
- return err;
-}
-
-static s32
-brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
- struct net_device *ndev, const struct brcmf_event_msg *e,
- bool completed)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
- struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
-
- brcmf_dbg(TRACE, "Enter\n");
-
- if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
- &ifp->vif->sme_state)) {
- if (completed) {
- brcmf_get_assoc_ies(cfg, ifp);
- memcpy(profile->bssid, e->addr, ETH_ALEN);
- brcmf_update_bss_info(cfg, ifp);
- set_bit(BRCMF_VIF_STATUS_CONNECTED,
- &ifp->vif->sme_state);
- }
- cfg80211_connect_result(ndev,
- (u8 *)profile->bssid,
- conn_info->req_ie,
- conn_info->req_ie_len,
- conn_info->resp_ie,
- conn_info->resp_ie_len,
- completed ? WLAN_STATUS_SUCCESS :
- WLAN_STATUS_AUTH_TIMEOUT,
- GFP_KERNEL);
- brcmf_dbg(CONN, "Report connect result - connection %s\n",
- completed ? "succeeded" : "failed");
- }
- brcmf_dbg(TRACE, "Exit\n");
- return 0;
-}
-
-static s32
-brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
- struct net_device *ndev,
- const struct brcmf_event_msg *e, void *data)
-{
- static int generation;
- u32 event = e->event_code;
- u32 reason = e->reason;
- struct station_info sinfo;
-
- brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
- if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
- ndev != cfg_to_ndev(cfg)) {
- brcmf_dbg(CONN, "AP mode link down\n");
- complete(&cfg->vif_disabled);
- return 0;
- }
-
- if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) &&
- (reason == BRCMF_E_STATUS_SUCCESS)) {
- memset(&sinfo, 0, sizeof(sinfo));
- sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
- if (!data) {
- brcmf_err("No IEs present in ASSOC/REASSOC_IND");
- return -EINVAL;
- }
- sinfo.assoc_req_ies = data;
- sinfo.assoc_req_ies_len = e->datalen;
- generation++;
- sinfo.generation = generation;
- cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL);
- } else if ((event == BRCMF_E_DISASSOC_IND) ||
- (event == BRCMF_E_DEAUTH_IND) ||
- (event == BRCMF_E_DEAUTH)) {
- cfg80211_del_sta(ndev, e->addr, GFP_KERNEL);
- }
- return 0;
-}
-
-static s32
-brcmf_notify_connect_status(struct brcmf_if *ifp,
- const struct brcmf_event_msg *e, void *data)
-{
- struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
- struct net_device *ndev = ifp->ndev;
- struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
- struct ieee80211_channel *chan;
- s32 err = 0;
-
- if ((e->event_code == BRCMF_E_DEAUTH) ||
- (e->event_code == BRCMF_E_DEAUTH_IND) ||
- (e->event_code == BRCMF_E_DISASSOC_IND) ||
- ((e->event_code == BRCMF_E_LINK) && (!e->flags))) {
- brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr);
- }
-
- if (brcmf_is_apmode(ifp->vif)) {
- err = brcmf_notify_connect_status_ap(cfg, ndev, e, data);
- } else if (brcmf_is_linkup(e)) {
- brcmf_dbg(CONN, "Linkup\n");
- if (brcmf_is_ibssmode(ifp->vif)) {
- chan = ieee80211_get_channel(cfg->wiphy, cfg->channel);
- memcpy(profile->bssid, e->addr, ETH_ALEN);
- wl_inform_ibss(cfg, ndev, e->addr);
- cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL);
- clear_bit(BRCMF_VIF_STATUS_CONNECTING,
- &ifp->vif->sme_state);
- set_bit(BRCMF_VIF_STATUS_CONNECTED,
- &ifp->vif->sme_state);
- } else
- brcmf_bss_connect_done(cfg, ndev, e, true);
- } else if (brcmf_is_linkdown(e)) {
- brcmf_dbg(CONN, "Linkdown\n");
- if (!brcmf_is_ibssmode(ifp->vif)) {
- brcmf_bss_connect_done(cfg, ndev, e, false);
- }
- brcmf_link_down(ifp->vif);
- brcmf_init_prof(ndev_to_prof(ndev));
- if (ndev != cfg_to_ndev(cfg))
- complete(&cfg->vif_disabled);
- } else if (brcmf_is_nonetwork(cfg, e)) {
- if (brcmf_is_ibssmode(ifp->vif))
- clear_bit(BRCMF_VIF_STATUS_CONNECTING,
- &ifp->vif->sme_state);
- else
- brcmf_bss_connect_done(cfg, ndev, e, false);
- }
-
- return err;
-}
-
-static s32
-brcmf_notify_roaming_status(struct brcmf_if *ifp,
- const struct brcmf_event_msg *e, void *data)
-{
- struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
- u32 event = e->event_code;
- u32 status = e->status;
-
- if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
- if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
- brcmf_bss_roaming_done(cfg, ifp->ndev, e);
- else
- brcmf_bss_connect_done(cfg, ifp->ndev, e, true);
- }
-
- return 0;
-}
-
-static s32
-brcmf_notify_mic_status(struct brcmf_if *ifp,
- const struct brcmf_event_msg *e, void *data)
-{
- u16 flags = e->flags;
- enum nl80211_key_type key_type;
-
- if (flags & BRCMF_EVENT_MSG_GROUP)
- key_type = NL80211_KEYTYPE_GROUP;
- else
- key_type = NL80211_KEYTYPE_PAIRWISE;
-
- cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1,
- NULL, GFP_KERNEL);
-
- return 0;
-}
-
-static s32 brcmf_notify_vif_event(struct brcmf_if *ifp,
- const struct brcmf_event_msg *e, void *data)
-{
- struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
- struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data;
- struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
- struct brcmf_cfg80211_vif *vif;
-
- brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n",
- ifevent->action, ifevent->flags, ifevent->ifidx,
- ifevent->bssidx);
-
- mutex_lock(&event->vif_event_lock);
- event->action = ifevent->action;
- vif = event->vif;
-
- switch (ifevent->action) {
- case BRCMF_E_IF_ADD:
- /* waiting process may have timed out */
- if (!cfg->vif_event.vif) {
- mutex_unlock(&event->vif_event_lock);
- return -EBADF;
- }
-
- ifp->vif = vif;
- vif->ifp = ifp;
- if (ifp->ndev) {
- vif->wdev.netdev = ifp->ndev;
- ifp->ndev->ieee80211_ptr = &vif->wdev;
- SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy));
- }
- mutex_unlock(&event->vif_event_lock);
- wake_up(&event->vif_wq);
- return 0;
-
- case BRCMF_E_IF_DEL:
- mutex_unlock(&event->vif_event_lock);
- /* event may not be upon user request */
- if (brcmf_cfg80211_vif_event_armed(cfg))
- wake_up(&event->vif_wq);
- return 0;
-
- case BRCMF_E_IF_CHANGE:
- mutex_unlock(&event->vif_event_lock);
- wake_up(&event->vif_wq);
- return 0;
-
- default:
- mutex_unlock(&event->vif_event_lock);
- break;
- }
- return -EINVAL;
-}
-
-static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
-{
- conf->frag_threshold = (u32)-1;
- conf->rts_threshold = (u32)-1;
- conf->retry_short = (u32)-1;
- conf->retry_long = (u32)-1;
- conf->tx_power = -1;
-}
-
-static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg)
-{
- brcmf_fweh_register(cfg->pub, BRCMF_E_LINK,
- brcmf_notify_connect_status);
- brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND,
- brcmf_notify_connect_status);
- brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH,
- brcmf_notify_connect_status);
- brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND,
- brcmf_notify_connect_status);
- brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND,
- brcmf_notify_connect_status);
- brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND,
- brcmf_notify_connect_status);
- brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM,
- brcmf_notify_roaming_status);
- brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR,
- brcmf_notify_mic_status);
- brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID,
- brcmf_notify_connect_status);
- brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND,
- brcmf_notify_sched_scan_results);
- brcmf_fweh_register(cfg->pub, BRCMF_E_IF,
- brcmf_notify_vif_event);
- brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG,
- brcmf_p2p_notify_rx_mgmt_p2p_probereq);
- brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE,
- brcmf_p2p_notify_listen_complete);
- brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX,
- brcmf_p2p_notify_action_frame_rx);
- brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE,
- brcmf_p2p_notify_action_tx_complete);
- brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE,
- brcmf_p2p_notify_action_tx_complete);
-}
-
-static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg)
-{
- kfree(cfg->conf);
- cfg->conf = NULL;
- kfree(cfg->escan_ioctl_buf);
- cfg->escan_ioctl_buf = NULL;
- kfree(cfg->extra_buf);
- cfg->extra_buf = NULL;
- kfree(cfg->pmk_list);
- cfg->pmk_list = NULL;
-}
-
-static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg)
-{
- cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL);
- if (!cfg->conf)
- goto init_priv_mem_out;
- cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
- if (!cfg->escan_ioctl_buf)
- goto init_priv_mem_out;
- cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
- if (!cfg->extra_buf)
- goto init_priv_mem_out;
- cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL);
- if (!cfg->pmk_list)
- goto init_priv_mem_out;
-
- return 0;
-
-init_priv_mem_out:
- brcmf_deinit_priv_mem(cfg);
-
- return -ENOMEM;
-}
-
-static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
-{
- s32 err = 0;
-
- cfg->scan_request = NULL;
- cfg->pwr_save = true;
- cfg->active_scan = true; /* we do active scan per default */
- cfg->dongle_up = false; /* dongle is not up yet */
- err = brcmf_init_priv_mem(cfg);
- if (err)
- return err;
- brcmf_register_event_handlers(cfg);
- mutex_init(&cfg->usr_sync);
- brcmf_init_escan(cfg);
- brcmf_init_conf(cfg->conf);
- init_completion(&cfg->vif_disabled);
- return err;
-}
-
-static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg)
-{
- cfg->dongle_up = false; /* dongle down */
- brcmf_abort_scanning(cfg);
- brcmf_deinit_priv_mem(cfg);
-}
-
-static void init_vif_event(struct brcmf_cfg80211_vif_event *event)
-{
- init_waitqueue_head(&event->vif_wq);
- mutex_init(&event->vif_event_lock);
-}
-
-static s32
-brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout)
-{
- s32 err = 0;
- __le32 roamtrigger[2];
- __le32 roam_delta[2];
-
- /*
- * Setup timeout if Beacons are lost and roam is
- * off to report link down
- */
- if (brcmf_roamoff) {
- err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout);
- if (err) {
- brcmf_err("bcn_timeout error (%d)\n", err);
- goto dongle_rom_out;
- }
- }
-
- /*
- * Enable/Disable built-in roaming to allow supplicant
- * to take care of roaming
- */
- brcmf_dbg(INFO, "Internal Roaming = %s\n",
- brcmf_roamoff ? "Off" : "On");
- err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff));
- if (err) {
- brcmf_err("roam_off error (%d)\n", err);
- goto dongle_rom_out;
- }
-
- roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL);
- roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL);
- err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER,
- (void *)roamtrigger, sizeof(roamtrigger));
- if (err) {
- brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
- goto dongle_rom_out;
- }
-
- roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA);
- roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL);
- err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA,
- (void *)roam_delta, sizeof(roam_delta));
- if (err) {
- brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err);
- goto dongle_rom_out;
- }
-
-dongle_rom_out:
- return err;
-}
-
-static s32
-brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time,
- s32 scan_unassoc_time, s32 scan_passive_time)
-{
- s32 err = 0;
-
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME,
- scan_assoc_time);
- if (err) {
- if (err == -EOPNOTSUPP)
- brcmf_dbg(INFO, "Scan assoc time is not supported\n");
- else
- brcmf_err("Scan assoc time error (%d)\n", err);
- goto dongle_scantime_out;
- }
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME,
- scan_unassoc_time);
- if (err) {
- if (err == -EOPNOTSUPP)
- brcmf_dbg(INFO, "Scan unassoc time is not supported\n");
- else
- brcmf_err("Scan unassoc time error (%d)\n", err);
- goto dongle_scantime_out;
- }
-
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME,
- scan_passive_time);
- if (err) {
- if (err == -EOPNOTSUPP)
- brcmf_dbg(INFO, "Scan passive time is not supported\n");
- else
- brcmf_err("Scan passive time error (%d)\n", err);
- goto dongle_scantime_out;
- }
-
-dongle_scantime_out:
- return err;
-}
-
-/* Filter the list of channels received from firmware counting only
- * the 20MHz channels. The wiphy band data only needs those which get
- * flagged to indicate if they can take part in higher bandwidth.
- */
-static void brcmf_count_20mhz_channels(struct brcmf_cfg80211_info *cfg,
- struct brcmf_chanspec_list *chlist,
- u32 chcnt[])
-{
- u32 total = le32_to_cpu(chlist->count);
- struct brcmu_chan ch;
- int i;
-
- for (i = 0; i < total; i++) {
- ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
- cfg->d11inf.decchspec(&ch);
-
- /* Firmware gives a ordered list. We skip non-20MHz
- * channels is 2G. For 5G we can abort upon reaching
- * a non-20MHz channel in the list.
- */
- if (ch.bw != BRCMU_CHAN_BW_20) {
- if (ch.band == BRCMU_CHAN_BAND_5G)
- break;
- else
- continue;
- }
-
- if (ch.band == BRCMU_CHAN_BAND_2G)
- chcnt[0] += 1;
- else if (ch.band == BRCMU_CHAN_BAND_5G)
- chcnt[1] += 1;
- }
-}
-
-static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel,
- struct brcmu_chan *ch)
-{
- u32 ht40_flag;
-
- ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40;
- if (ch->sb == BRCMU_CHAN_SB_U) {
- if (ht40_flag == IEEE80211_CHAN_NO_HT40)
- channel->flags &= ~IEEE80211_CHAN_NO_HT40;
- channel->flags |= IEEE80211_CHAN_NO_HT40PLUS;
- } else {
- /* It should be one of
- * IEEE80211_CHAN_NO_HT40 or
- * IEEE80211_CHAN_NO_HT40PLUS
- */
- channel->flags &= ~IEEE80211_CHAN_NO_HT40;
- if (ht40_flag == IEEE80211_CHAN_NO_HT40)
- channel->flags |= IEEE80211_CHAN_NO_HT40MINUS;
- }
-}
-
-static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
- u32 bw_cap[])
-{
- struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
- struct ieee80211_supported_band *band;
- struct ieee80211_channel *channel;
- struct wiphy *wiphy;
- struct brcmf_chanspec_list *list;
- struct brcmu_chan ch;
- int err;
- u8 *pbuf;
- u32 i, j;
- u32 total;
- u32 chaninfo;
- u32 chcnt[2] = { 0, 0 };
- u32 index;
-
- pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
-
- if (pbuf == NULL)
- return -ENOMEM;
-
- list = (struct brcmf_chanspec_list *)pbuf;
-
- err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
- BRCMF_DCMD_MEDLEN);
- if (err) {
- brcmf_err("get chanspecs error (%d)\n", err);
- goto fail_pbuf;
- }
-
- brcmf_count_20mhz_channels(cfg, list, chcnt);
- wiphy = cfg_to_wiphy(cfg);
- if (chcnt[0]) {
- band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz),
- GFP_KERNEL);
- if (band == NULL) {
- err = -ENOMEM;
- goto fail_pbuf;
- }
- band->channels = kcalloc(chcnt[0], sizeof(*channel),
- GFP_KERNEL);
- if (band->channels == NULL) {
- kfree(band);
- err = -ENOMEM;
- goto fail_pbuf;
- }
- band->n_channels = 0;
- wiphy->bands[IEEE80211_BAND_2GHZ] = band;
- }
- if (chcnt[1]) {
- band = kmemdup(&__wl_band_5ghz_a, sizeof(__wl_band_5ghz_a),
- GFP_KERNEL);
- if (band == NULL) {
- err = -ENOMEM;
- goto fail_band2g;
- }
- band->channels = kcalloc(chcnt[1], sizeof(*channel),
- GFP_KERNEL);
- if (band->channels == NULL) {
- kfree(band);
- err = -ENOMEM;
- goto fail_band2g;
- }
- band->n_channels = 0;
- wiphy->bands[IEEE80211_BAND_5GHZ] = band;
- }
-
- total = le32_to_cpu(list->count);
- for (i = 0; i < total; i++) {
- ch.chspec = (u16)le32_to_cpu(list->element[i]);
- cfg->d11inf.decchspec(&ch);
-
- if (ch.band == BRCMU_CHAN_BAND_2G) {
- band = wiphy->bands[IEEE80211_BAND_2GHZ];
- } else if (ch.band == BRCMU_CHAN_BAND_5G) {
- band = wiphy->bands[IEEE80211_BAND_5GHZ];
- } else {
- brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec);
- continue;
- }
- if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) &&
- ch.bw == BRCMU_CHAN_BW_40)
- continue;
- if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) &&
- ch.bw == BRCMU_CHAN_BW_80)
- continue;
-
- channel = band->channels;
- index = band->n_channels;
- for (j = 0; j < band->n_channels; j++) {
- if (channel[j].hw_value == ch.chnum) {
- index = j;
- break;
- }
- }
- channel[index].center_freq =
- ieee80211_channel_to_frequency(ch.chnum, band->band);
- channel[index].hw_value = ch.chnum;
-
- /* assuming the chanspecs order is HT20,
- * HT40 upper, HT40 lower, and VHT80.
- */
- if (ch.bw == BRCMU_CHAN_BW_80) {
- channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ;
- } else if (ch.bw == BRCMU_CHAN_BW_40) {
- brcmf_update_bw40_channel_flag(&channel[index], &ch);
- } else {
- /* disable other bandwidths for now as mentioned
- * order assure they are enabled for subsequent
- * chanspecs.
- */
- channel[index].flags = IEEE80211_CHAN_NO_HT40 |
- IEEE80211_CHAN_NO_80MHZ;
- ch.bw = BRCMU_CHAN_BW_20;
- cfg->d11inf.encchspec(&ch);
- chaninfo = ch.chspec;
- err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info",
- &chaninfo);
- if (!err) {
- if (chaninfo & WL_CHAN_RADAR)
- channel[index].flags |=
- (IEEE80211_CHAN_RADAR |
- IEEE80211_CHAN_NO_IR);
- if (chaninfo & WL_CHAN_PASSIVE)
- channel[index].flags |=
- IEEE80211_CHAN_NO_IR;
- }
- }
- if (index == band->n_channels)
- band->n_channels++;
- }
- kfree(pbuf);
- return 0;
-
-fail_band2g:
- kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
- kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
- wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
-fail_pbuf:
- kfree(pbuf);
- return err;
-}
-
-static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
-{
- struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
- struct ieee80211_supported_band *band;
- struct brcmf_fil_bwcap_le band_bwcap;
- struct brcmf_chanspec_list *list;
- u8 *pbuf;
- u32 val;
- int err;
- struct brcmu_chan ch;
- u32 num_chan;
- int i, j;
-
- /* verify support for bw_cap command */
- val = WLC_BAND_5G;
- err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val);
-
- if (!err) {
- /* only set 2G bandwidth using bw_cap command */
- band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
- band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
- err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
- sizeof(band_bwcap));
- } else {
- brcmf_dbg(INFO, "fallback to mimo_bw_cap\n");
- val = WLC_N_BW_40ALL;
- err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val);
- }
-
- if (!err) {
- /* update channel info in 2G band */
- pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL);
-
- if (pbuf == NULL)
- return -ENOMEM;
-
- ch.band = BRCMU_CHAN_BAND_2G;
- ch.bw = BRCMU_CHAN_BW_40;
- ch.sb = BRCMU_CHAN_SB_NONE;
- ch.chnum = 0;
- cfg->d11inf.encchspec(&ch);
-
- /* pass encoded chanspec in query */
- *(__le16 *)pbuf = cpu_to_le16(ch.chspec);
-
- err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf,
- BRCMF_DCMD_MEDLEN);
- if (err) {
- brcmf_err("get chanspecs error (%d)\n", err);
- kfree(pbuf);
- return err;
- }
-
- band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ];
- list = (struct brcmf_chanspec_list *)pbuf;
- num_chan = le32_to_cpu(list->count);
- for (i = 0; i < num_chan; i++) {
- ch.chspec = (u16)le32_to_cpu(list->element[i]);
- cfg->d11inf.decchspec(&ch);
- if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G))
- continue;
- if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40))
- continue;
- for (j = 0; j < band->n_channels; j++) {
- if (band->channels[j].hw_value == ch.chnum)
- break;
- }
- if (WARN_ON(j == band->n_channels))
- continue;
-
- brcmf_update_bw40_channel_flag(&band->channels[j], &ch);
- }
- kfree(pbuf);
- }
- return err;
-}
-
-static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[])
-{
- u32 band, mimo_bwcap;
- int err;
-
- band = WLC_BAND_2G;
- err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
- if (!err) {
- bw_cap[IEEE80211_BAND_2GHZ] = band;
- band = WLC_BAND_5G;
- err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band);
- if (!err) {
- bw_cap[IEEE80211_BAND_5GHZ] = band;
- return;
- }
- WARN_ON(1);
- return;
- }
- brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n");
- mimo_bwcap = 0;
- err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap);
- if (err)
- /* assume 20MHz if firmware does not give a clue */
- mimo_bwcap = WLC_N_BW_20ALL;
-
- switch (mimo_bwcap) {
- case WLC_N_BW_40ALL:
- bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT;
- /* fall-thru */
- case WLC_N_BW_20IN2G_40IN5G:
- bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT;
- /* fall-thru */
- case WLC_N_BW_20ALL:
- bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT;
- bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT;
- break;
- default:
- brcmf_err("invalid mimo_bw_cap value\n");
- }
-}
-
-static void brcmf_update_ht_cap(struct ieee80211_supported_band *band,
- u32 bw_cap[2], u32 nchain)
-{
- band->ht_cap.ht_supported = true;
- if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) {
- band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
- band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
- }
- band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20;
- band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40;
- band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
- band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
- memset(band->ht_cap.mcs.rx_mask, 0xff, nchain);
- band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
-}
-
-static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp)
-{
- u16 mcs_map;
- int i;
-
- for (i = 0, mcs_map = 0xFFFF; i < nchain; i++)
- mcs_map = (mcs_map << 2) | supp;
-
- return cpu_to_le16(mcs_map);
-}
-
-static void brcmf_update_vht_cap(struct ieee80211_supported_band *band,
- u32 bw_cap[2], u32 nchain)
-{
- __le16 mcs_map;
-
- /* not allowed in 2.4G band */
- if (band->band == IEEE80211_BAND_2GHZ)
- return;
-
- band->vht_cap.vht_supported = true;
- /* 80MHz is mandatory */
- band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
- if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) {
- band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
- band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
- }
- /* all support 256-QAM */
- mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9);
- band->vht_cap.vht_mcs.rx_mcs_map = mcs_map;
- band->vht_cap.vht_mcs.tx_mcs_map = mcs_map;
-}
-
-static int brcmf_setup_wiphybands(struct wiphy *wiphy)
-{
- struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
- struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
- u32 nmode = 0;
- u32 vhtmode = 0;
- u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT };
- u32 rxchain;
- u32 nchain;
- int err;
- s32 i;
- struct ieee80211_supported_band *band;
-
- (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode);
- err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode);
- if (err) {
- brcmf_err("nmode error (%d)\n", err);
- } else {
- brcmf_get_bwcap(ifp, bw_cap);
- }
- brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n",
- nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ],
- bw_cap[IEEE80211_BAND_5GHZ]);
-
- err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain);
- if (err) {
- brcmf_err("rxchain error (%d)\n", err);
- nchain = 1;
- } else {
- for (nchain = 0; rxchain; nchain++)
- rxchain = rxchain & (rxchain - 1);
- }
- brcmf_dbg(INFO, "nchain=%d\n", nchain);
-
- err = brcmf_construct_chaninfo(cfg, bw_cap);
- if (err) {
- brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err);
- return err;
- }
-
- wiphy = cfg_to_wiphy(cfg);
- for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) {
- band = wiphy->bands[i];
- if (band == NULL)
- continue;
-
- if (nmode)
- brcmf_update_ht_cap(band, bw_cap, nchain);
- if (vhtmode)
- brcmf_update_vht_cap(band, bw_cap, nchain);
- }
-
- return 0;
-}
-
-static const struct ieee80211_iface_limit brcmf_iface_limits[] = {
- {
- .max = 2,
- .types = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_AP)
- },
- {
- .max = 1,
- .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
- BIT(NL80211_IFTYPE_P2P_GO)
- },
- {
- .max = 1,
- .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
- }
-};
-static struct ieee80211_iface_combination brcmf_iface_combos[] = {
- {
- .max_interfaces = BRCMF_IFACE_MAX_CNT,
- .num_different_channels = 1,
- .n_limits = ARRAY_SIZE(brcmf_iface_limits),
- .limits = brcmf_iface_limits
- }
-};
-
-static const struct ieee80211_txrx_stypes
-brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
- [NL80211_IFTYPE_STATION] = {
- .tx = 0xffff,
- .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
- BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
- },
- [NL80211_IFTYPE_P2P_CLIENT] = {
- .tx = 0xffff,
- .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
- BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
- },
- [NL80211_IFTYPE_P2P_GO] = {
- .tx = 0xffff,
- .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
- BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
- BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
- BIT(IEEE80211_STYPE_DISASSOC >> 4) |
- BIT(IEEE80211_STYPE_AUTH >> 4) |
- BIT(IEEE80211_STYPE_DEAUTH >> 4) |
- BIT(IEEE80211_STYPE_ACTION >> 4)
- },
- [NL80211_IFTYPE_P2P_DEVICE] = {
- .tx = 0xffff,
- .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
- BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
- }
-};
-
-static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
-{
- /* scheduled scan settings */
- wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
- wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
- wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
- wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
-}
-
-#ifdef CONFIG_PM
-static const struct wiphy_wowlan_support brcmf_wowlan_support = {
- .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
- .n_patterns = BRCMF_WOWL_MAXPATTERNS,
- .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
- .pattern_min_len = 1,
- .max_pkt_offset = 1500,
-};
-#endif
-
-static void brcmf_wiphy_wowl_params(struct wiphy *wiphy)
-{
-#ifdef CONFIG_PM
- /* wowl settings */
- wiphy->wowlan = &brcmf_wowlan_support;
-#endif
-}
-
-static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
-{
- struct ieee80211_iface_combination ifc_combo;
- wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
- wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
- wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
- wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_P2P_CLIENT) |
- BIT(NL80211_IFTYPE_P2P_GO) |
- BIT(NL80211_IFTYPE_P2P_DEVICE);
- /* need VSDB firmware feature for concurrent channels */
- ifc_combo = brcmf_iface_combos[0];
- if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
- ifc_combo.num_different_channels = 2;
- wiphy->iface_combinations = kmemdup(&ifc_combo,
- sizeof(ifc_combo),
- GFP_KERNEL);
- wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
- wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
- wiphy->cipher_suites = __wl_cipher_suites;
- wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
- wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT |
- WIPHY_FLAG_OFFCHAN_TX |
- WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
- WIPHY_FLAG_SUPPORTS_TDLS;
- if (!brcmf_roamoff)
- wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM;
- wiphy->mgmt_stypes = brcmf_txrx_stypes;
- wiphy->max_remain_on_channel_duration = 5000;
- brcmf_wiphy_pno_params(wiphy);
-
- /* vendor commands/events support */
- wiphy->vendor_commands = brcmf_vendor_cmds;
- wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1;
-
- if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL))
- brcmf_wiphy_wowl_params(wiphy);
-
- return brcmf_setup_wiphybands(wiphy);
-}
-
-static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg)
-{
- struct net_device *ndev;
- struct wireless_dev *wdev;
- struct brcmf_if *ifp;
- s32 power_mode;
- s32 err = 0;
-
- if (cfg->dongle_up)
- return err;
-
- ndev = cfg_to_ndev(cfg);
- wdev = ndev->ieee80211_ptr;
- ifp = netdev_priv(ndev);
-
- /* make sure RF is ready for work */
- brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
-
- brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME,
- WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
-
- power_mode = cfg->pwr_save ? PM_FAST : PM_OFF;
- err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode);
- if (err)
- goto default_conf_out;
- brcmf_dbg(INFO, "power save set to %s\n",
- (power_mode ? "enabled" : "disabled"));
-
- err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT);
- if (err)
- goto default_conf_out;
- err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype,
- NULL, NULL);
- if (err)
- goto default_conf_out;
-
- brcmf_configure_arp_offload(ifp, true);
-
- cfg->dongle_up = true;
-default_conf_out:
-
- return err;
-
-}
-
-static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp)
-{
- set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
-
- return brcmf_config_dongle(ifp->drvr->config);
-}
-
-static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp)
-{
- struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
-
- /*
- * While going down, if associated with AP disassociate
- * from AP to save power
- */
- if (check_vif_up(ifp->vif)) {
- brcmf_link_down(ifp->vif);
-
- /* Make sure WPA_Supplicant receives all the event
- generated due to DISASSOC call to the fw to keep
- the state fw and WPA_Supplicant state consistent
- */
- brcmf_delay(500);
- }
-
- brcmf_abort_scanning(cfg);
- clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
-
- return 0;
-}
-
-s32 brcmf_cfg80211_up(struct net_device *ndev)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
- s32 err = 0;
-
- mutex_lock(&cfg->usr_sync);
- err = __brcmf_cfg80211_up(ifp);
- mutex_unlock(&cfg->usr_sync);
-
- return err;
-}
-
-s32 brcmf_cfg80211_down(struct net_device *ndev)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
- s32 err = 0;
-
- mutex_lock(&cfg->usr_sync);
- err = __brcmf_cfg80211_down(ifp);
- mutex_unlock(&cfg->usr_sync);
-
- return err;
-}
-
-enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp)
-{
- struct wireless_dev *wdev = &ifp->vif->wdev;
-
- return wdev->iftype;
-}
-
-bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, unsigned long state)
-{
- struct brcmf_cfg80211_vif *vif;
-
- list_for_each_entry(vif, &cfg->vif_list, list) {
- if (test_bit(state, &vif->sme_state))
- return true;
- }
- return false;
-}
-
-static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event,
- u8 action)
-{
- u8 evt_action;
-
- mutex_lock(&event->vif_event_lock);
- evt_action = event->action;
- mutex_unlock(&event->vif_event_lock);
- return evt_action == action;
-}
-
-void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
- struct brcmf_cfg80211_vif *vif)
-{
- struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
-
- mutex_lock(&event->vif_event_lock);
- event->vif = vif;
- event->action = 0;
- mutex_unlock(&event->vif_event_lock);
-}
-
-bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg)
-{
- struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
- bool armed;
-
- mutex_lock(&event->vif_event_lock);
- armed = event->vif != NULL;
- mutex_unlock(&event->vif_event_lock);
-
- return armed;
-}
-int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
- u8 action, ulong timeout)
-{
- struct brcmf_cfg80211_vif_event *event = &cfg->vif_event;
-
- return wait_event_timeout(event->vif_wq,
- vif_event_equals(event, action), timeout);
-}
-
-static void brcmf_free_wiphy(struct wiphy *wiphy)
-{
- kfree(wiphy->iface_combinations);
- if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
- kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);
- kfree(wiphy->bands[IEEE80211_BAND_2GHZ]);
- }
- if (wiphy->bands[IEEE80211_BAND_5GHZ]) {
- kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels);
- kfree(wiphy->bands[IEEE80211_BAND_5GHZ]);
- }
- wiphy_free(wiphy);
-}
-
-struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
- struct device *busdev)
-{
- struct net_device *ndev = drvr->iflist[0]->ndev;
- struct brcmf_cfg80211_info *cfg;
- struct wiphy *wiphy;
- struct brcmf_cfg80211_vif *vif;
- struct brcmf_if *ifp;
- s32 err = 0;
- s32 io_type;
- u16 *cap = NULL;
-
- if (!ndev) {
- brcmf_err("ndev is invalid\n");
- return NULL;
- }
-
- ifp = netdev_priv(ndev);
- wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info));
- if (!wiphy) {
- brcmf_err("Could not allocate wiphy device\n");
- return NULL;
- }
- set_wiphy_dev(wiphy, busdev);
-
- cfg = wiphy_priv(wiphy);
- cfg->wiphy = wiphy;
- cfg->pub = drvr;
- init_vif_event(&cfg->vif_event);
- INIT_LIST_HEAD(&cfg->vif_list);
-
- vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false);
- if (IS_ERR(vif))
- goto wiphy_out;
-
- vif->ifp = ifp;
- vif->wdev.netdev = ndev;
- ndev->ieee80211_ptr = &vif->wdev;
- SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy));
-
- err = wl_init_priv(cfg);
- if (err) {
- brcmf_err("Failed to init iwm_priv (%d)\n", err);
- brcmf_free_vif(vif);
- goto wiphy_out;
- }
- ifp->vif = vif;
-
- /* determine d11 io type before wiphy setup */
- err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type);
- if (err) {
- brcmf_err("Failed to get D11 version (%d)\n", err);
- goto priv_out;
- }
- cfg->d11inf.io_type = (u8)io_type;
- brcmu_d11_attach(&cfg->d11inf);
-
- err = brcmf_setup_wiphy(wiphy, ifp);
- if (err < 0)
- goto priv_out;
-
- brcmf_dbg(INFO, "Registering custom regulatory\n");
- wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG;
- wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom);
-
- /* firmware defaults to 40MHz disabled in 2G band. We signal
- * cfg80211 here that we do and have it decide we can enable
- * it. But first check if device does support 2G operation.
- */
- if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
- cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap;
- *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
- }
- err = wiphy_register(wiphy);
- if (err < 0) {
- brcmf_err("Could not register wiphy device (%d)\n", err);
- goto priv_out;
- }
-
- /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(),
- * setup 40MHz in 2GHz band and enable OBSS scanning.
- */
- if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
- err = brcmf_enable_bw40_2g(cfg);
- if (!err)
- err = brcmf_fil_iovar_int_set(ifp, "obss_coex",
- BRCMF_OBSS_COEX_AUTO);
- else
- *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
- }
-
- err = brcmf_p2p_attach(cfg);
- if (err) {
- brcmf_err("P2P initilisation failed (%d)\n", err);
- goto wiphy_unreg_out;
- }
- err = brcmf_btcoex_attach(cfg);
- if (err) {
- brcmf_err("BT-coex initialisation failed (%d)\n", err);
- brcmf_p2p_detach(&cfg->p2p);
- goto wiphy_unreg_out;
- }
-
- err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1);
- if (err) {
- brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err);
- wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS;
- } else {
- brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT,
- brcmf_notify_tdls_peer_event);
- }
-
- return cfg;
-
-wiphy_unreg_out:
- wiphy_unregister(cfg->wiphy);
-priv_out:
- wl_deinit_priv(cfg);
- brcmf_free_vif(vif);
-wiphy_out:
- brcmf_free_wiphy(wiphy);
- return NULL;
-}
-
-void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
-{
- if (!cfg)
- return;
-
- WARN_ON(!list_empty(&cfg->vif_list));
- wiphy_unregister(cfg->wiphy);
- brcmf_btcoex_detach(cfg);
- brcmf_p2p_detach(&cfg->p2p);
- wl_deinit_priv(cfg);
- brcmf_free_wiphy(cfg->wiphy);
-}
+++ /dev/null
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifndef _wl_cfg80211_h_
-#define _wl_cfg80211_h_
-
-/* for brcmu_d11inf */
-#include <brcmu_d11.h>
-
-#define WL_NUM_SCAN_MAX 10
-#define WL_NUM_PMKIDS_MAX MAXPMKID
-#define WL_TLV_INFO_MAX 1024
-#define WL_BSS_INFO_MAX 2048
-#define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */
-#define WL_EXTRA_BUF_MAX 2048
-#define WL_ROAM_TRIGGER_LEVEL -75
-#define WL_ROAM_DELTA 20
-#define WL_BEACON_TIMEOUT 3
-
-#define WL_SCAN_CHANNEL_TIME 40
-#define WL_SCAN_UNASSOC_TIME 40
-#define WL_SCAN_PASSIVE_TIME 120
-
-#define WL_ESCAN_BUF_SIZE (1024 * 64)
-#define WL_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */
-
-#define WL_ESCAN_ACTION_START 1
-#define WL_ESCAN_ACTION_CONTINUE 2
-#define WL_ESCAN_ACTION_ABORT 3
-
-#define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */
-#define IE_MAX_LEN 512
-
-/* IE TLV processing */
-#define TLV_LEN_OFF 1 /* length offset */
-#define TLV_HDR_LEN 2 /* header length */
-#define TLV_BODY_OFF 2 /* body offset */
-#define TLV_OUI_LEN 3 /* oui id length */
-
-/* 802.11 Mgmt Packet flags */
-#define BRCMF_VNDR_IE_BEACON_FLAG 0x1
-#define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2
-#define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4
-#define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8
-#define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10
-#define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20
-/* vendor IE in IW advertisement protocol ID field */
-#define BRCMF_VNDR_IE_IWAPID_FLAG 0x40
-/* allow custom IE id */
-#define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100
-
-/* P2P Action Frames flags (spec ordered) */
-#define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000
-#define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000
-#define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000
-#define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000
-#define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000
-#define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000
-#define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000
-#define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000
-#define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000
-
-#define BRCMF_VNDR_IE_P2PAF_SHIFT 12
-
-
-/**
- * enum brcmf_scan_status - scan engine status
- *
- * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
- * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
- * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver.
- */
-enum brcmf_scan_status {
- BRCMF_SCAN_STATUS_BUSY,
- BRCMF_SCAN_STATUS_ABORT,
- BRCMF_SCAN_STATUS_SUPPRESS,
-};
-
-/* dongle configuration */
-struct brcmf_cfg80211_conf {
- u32 frag_threshold;
- u32 rts_threshold;
- u32 retry_short;
- u32 retry_long;
- s32 tx_power;
- struct ieee80211_channel channel;
-};
-
-/* basic structure of scan request */
-struct brcmf_cfg80211_scan_req {
- struct brcmf_ssid_le ssid_le;
-};
-
-/* basic structure of information element */
-struct brcmf_cfg80211_ie {
- u16 offset;
- u8 buf[WL_TLV_INFO_MAX];
-};
-
-/* security information with currently associated ap */
-struct brcmf_cfg80211_security {
- u32 wpa_versions;
- u32 auth_type;
- u32 cipher_pairwise;
- u32 cipher_group;
- u32 wpa_auth;
-};
-
-/**
- * struct brcmf_cfg80211_profile - profile information.
- *
- * @ssid: ssid of associated/associating ap.
- * @bssid: bssid of joined/joining ibss.
- * @sec: security information.
- */
-struct brcmf_cfg80211_profile {
- struct brcmf_ssid ssid;
- u8 bssid[ETH_ALEN];
- struct brcmf_cfg80211_security sec;
-};
-
-/**
- * enum brcmf_vif_status - bit indices for vif status.
- *
- * @BRCMF_VIF_STATUS_READY: ready for operation.
- * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
- * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully.
- * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress.
- * @BRCMF_VIF_STATUS_AP_CREATING: interface configured for AP operation.
- * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
- */
-enum brcmf_vif_status {
- BRCMF_VIF_STATUS_READY,
- BRCMF_VIF_STATUS_CONNECTING,
- BRCMF_VIF_STATUS_CONNECTED,
- BRCMF_VIF_STATUS_DISCONNECTING,
- BRCMF_VIF_STATUS_AP_CREATING,
- BRCMF_VIF_STATUS_AP_CREATED
-};
-
-/**
- * struct vif_saved_ie - holds saved IEs for a virtual interface.
- *
- * @probe_req_ie: IE info for probe request.
- * @probe_res_ie: IE info for probe response.
- * @beacon_ie: IE info for beacon frame.
- * @probe_req_ie_len: IE info length for probe request.
- * @probe_res_ie_len: IE info length for probe response.
- * @beacon_ie_len: IE info length for beacon frame.
- */
-struct vif_saved_ie {
- u8 probe_req_ie[IE_MAX_LEN];
- u8 probe_res_ie[IE_MAX_LEN];
- u8 beacon_ie[IE_MAX_LEN];
- u8 assoc_req_ie[IE_MAX_LEN];
- u32 probe_req_ie_len;
- u32 probe_res_ie_len;
- u32 beacon_ie_len;
- u32 assoc_req_ie_len;
-};
-
-/**
- * struct brcmf_cfg80211_vif - virtual interface specific information.
- *
- * @ifp: lower layer interface pointer
- * @wdev: wireless device.
- * @profile: profile information.
- * @roam_off: roaming state.
- * @sme_state: SME state using enum brcmf_vif_status bits.
- * @pm_block: power-management blocked.
- * @list: linked list.
- * @mgmt_rx_reg: registered rx mgmt frame types.
- */
-struct brcmf_cfg80211_vif {
- struct brcmf_if *ifp;
- struct wireless_dev wdev;
- struct brcmf_cfg80211_profile profile;
- s32 roam_off;
- unsigned long sme_state;
- bool pm_block;
- struct vif_saved_ie saved_ie;
- struct list_head list;
- u16 mgmt_rx_reg;
-};
-
-/* association inform */
-struct brcmf_cfg80211_connect_info {
- u8 *req_ie;
- s32 req_ie_len;
- u8 *resp_ie;
- s32 resp_ie_len;
-};
-
-/* assoc ie length */
-struct brcmf_cfg80211_assoc_ielen_le {
- __le32 req_len;
- __le32 resp_len;
-};
-
-/* wpa2 pmk list */
-struct brcmf_cfg80211_pmk_list {
- struct pmkid_list pmkids;
- struct pmkid foo[MAXPMKID - 1];
-};
-
-/* dongle escan state */
-enum wl_escan_state {
- WL_ESCAN_STATE_IDLE,
- WL_ESCAN_STATE_SCANNING
-};
-
-struct escan_info {
- u32 escan_state;
- u8 escan_buf[WL_ESCAN_BUF_SIZE];
- struct wiphy *wiphy;
- struct brcmf_if *ifp;
- s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
- struct cfg80211_scan_request *request, u16 action);
-};
-
-/**
- * struct brcmf_pno_param_le - PNO scan configuration parameters
- *
- * @version: PNO parameters version.
- * @scan_freq: scan frequency.
- * @lost_network_timeout: #sec. to declare discovered network as lost.
- * @flags: Bit field to control features of PFN such as sort criteria auto
- * enable switch and background scan.
- * @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort
- * criteria.
- * @bestn: number of best networks in each scan.
- * @mscan: number of scans recorded.
- * @repeat: minimum number of scan intervals before scan frequency changes
- * in adaptive scan.
- * @exp: exponent of 2 for maximum scan interval.
- * @slow_freq: slow scan period.
- */
-struct brcmf_pno_param_le {
- __le32 version;
- __le32 scan_freq;
- __le32 lost_network_timeout;
- __le16 flags;
- __le16 rssi_margin;
- u8 bestn;
- u8 mscan;
- u8 repeat;
- u8 exp;
- __le32 slow_freq;
-};
-
-/**
- * struct brcmf_pno_net_param_le - scan parameters per preferred network.
- *
- * @ssid: ssid name and its length.
- * @flags: bit2: hidden.
- * @infra: BSS vs IBSS.
- * @auth: Open vs Closed.
- * @wpa_auth: WPA type.
- * @wsec: wsec value.
- */
-struct brcmf_pno_net_param_le {
- struct brcmf_ssid_le ssid;
- __le32 flags;
- __le32 infra;
- __le32 auth;
- __le32 wpa_auth;
- __le32 wsec;
-};
-
-/**
- * struct brcmf_pno_net_info_le - information per found network.
- *
- * @bssid: BSS network identifier.
- * @channel: channel number only.
- * @SSID_len: length of ssid.
- * @SSID: ssid characters.
- * @RSSI: receive signal strength (in dBm).
- * @timestamp: age in seconds.
- */
-struct brcmf_pno_net_info_le {
- u8 bssid[ETH_ALEN];
- u8 channel;
- u8 SSID_len;
- u8 SSID[32];
- __le16 RSSI;
- __le16 timestamp;
-};
-
-/**
- * struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event.
- *
- * @version: PNO version identifier.
- * @status: indicates completion status of PNO scan.
- * @count: amount of brcmf_pno_net_info_le entries appended.
- */
-struct brcmf_pno_scanresults_le {
- __le32 version;
- __le32 status;
- __le32 count;
-};
-
-/**
- * struct brcmf_cfg80211_vif_event - virtual interface event information.
- *
- * @vif_wq: waitqueue awaiting interface event from firmware.
- * @vif_event_lock: protects other members in this structure.
- * @vif_complete: completion for net attach.
- * @action: either add, change, or delete.
- * @vif: virtual interface object related to the event.
- */
-struct brcmf_cfg80211_vif_event {
- wait_queue_head_t vif_wq;
- struct mutex vif_event_lock;
- u8 action;
- struct brcmf_cfg80211_vif *vif;
-};
-
-/**
- * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
- *
- * @wiphy: wiphy object for cfg80211 interface.
- * @conf: dongle configuration.
- * @p2p: peer-to-peer specific information.
- * @btcoex: Bluetooth coexistence information.
- * @scan_request: cfg80211 scan request object.
- * @usr_sync: mainly for dongle up/down synchronization.
- * @bss_list: bss_list holding scanned ap information.
- * @scan_req_int: internal scan request object.
- * @bss_info: bss information for cfg80211 layer.
- * @ie: information element object for internal purpose.
- * @conn_info: association info.
- * @pmk_list: wpa2 pmk list.
- * @scan_status: scan activity on the dongle.
- * @pub: common driver information.
- * @channel: current channel.
- * @active_scan: current scan mode.
- * @sched_escan: e-scan for scheduled scan support running.
- * @ibss_starter: indicates this sta is ibss starter.
- * @pwr_save: indicate whether dongle to support power save mode.
- * @dongle_up: indicate whether dongle up or not.
- * @roam_on: on/off switch for dongle self-roaming.
- * @scan_tried: indicates if first scan attempted.
- * @dcmd_buf: dcmd buffer.
- * @extra_buf: mainly to grab assoc information.
- * @debugfsdir: debugfs folder for this device.
- * @escan_info: escan information.
- * @escan_timeout: Timer for catch scan timeout.
- * @escan_timeout_work: scan timeout worker.
- * @escan_ioctl_buf: dongle command buffer for escan commands.
- * @vif_list: linked list of vif instances.
- * @vif_cnt: number of vif instances.
- * @vif_event: vif event signalling.
- * @wowl_enabled; set during suspend, is wowl used.
- * @pre_wowl_pmmode: intermediate storage of pm mode during wowl.
- */
-struct brcmf_cfg80211_info {
- struct wiphy *wiphy;
- struct brcmf_cfg80211_conf *conf;
- struct brcmf_p2p_info p2p;
- struct brcmf_btcoex_info *btcoex;
- struct cfg80211_scan_request *scan_request;
- struct mutex usr_sync;
- struct brcmf_cfg80211_scan_req scan_req_int;
- struct wl_cfg80211_bss_info *bss_info;
- struct brcmf_cfg80211_ie ie;
- struct brcmf_cfg80211_connect_info conn_info;
- struct brcmf_cfg80211_pmk_list *pmk_list;
- unsigned long scan_status;
- struct brcmf_pub *pub;
- u32 channel;
- bool active_scan;
- bool sched_escan;
- bool ibss_starter;
- bool pwr_save;
- bool dongle_up;
- bool scan_tried;
- u8 *dcmd_buf;
- u8 *extra_buf;
- struct dentry *debugfsdir;
- struct escan_info escan_info;
- struct timer_list escan_timeout;
- struct work_struct escan_timeout_work;
- u8 *escan_ioctl_buf;
- struct list_head vif_list;
- struct brcmf_cfg80211_vif_event vif_event;
- struct completion vif_disabled;
- struct brcmu_d11inf d11inf;
- bool wowl_enabled;
- u32 pre_wowl_pmmode;
-};
-
-/**
- * struct brcmf_tlv - tag_ID/length/value_buffer tuple.
- *
- * @id: tag identifier.
- * @len: number of bytes in value buffer.
- * @data: value buffer.
- */
-struct brcmf_tlv {
- u8 id;
- u8 len;
- u8 data[1];
-};
-
-static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
-{
- return cfg->wiphy;
-}
-
-static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w)
-{
- return (struct brcmf_cfg80211_info *)(wiphy_priv(w));
-}
-
-static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd)
-{
- return (struct brcmf_cfg80211_info *)(wdev_priv(wd));
-}
-
-static inline
-struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
-{
- struct brcmf_cfg80211_vif *vif;
- vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list);
- return vif->wdev.netdev;
-}
-
-static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev)
-{
- return wdev_to_cfg(ndev->ieee80211_ptr);
-}
-
-static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd)
-{
- struct brcmf_if *ifp = netdev_priv(nd);
- return &ifp->vif->profile;
-}
-
-static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev)
-{
- struct brcmf_if *ifp = netdev_priv(ndev);
- return ifp->vif;
-}
-
-static inline struct
-brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg)
-{
- return &cfg->conn_info;
-}
-
-struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
- struct device *busdev);
-void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
-s32 brcmf_cfg80211_up(struct net_device *ndev);
-s32 brcmf_cfg80211_down(struct net_device *ndev);
-enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);
-
-struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
- enum nl80211_iftype type,
- bool pm_block);
-void brcmf_free_vif(struct brcmf_cfg80211_vif *vif);
-
-s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
- const u8 *vndr_ie_buf, u32 vndr_ie_len);
-s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif);
-const struct brcmf_tlv *
-brcmf_parse_tlvs(const void *buf, int buflen, uint key);
-u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
- struct ieee80211_channel *ch);
-bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, unsigned long state);
-void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
- struct brcmf_cfg80211_vif *vif);
-bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
-int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
- u8 action, ulong timeout);
-s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
- struct brcmf_if *ifp, bool aborted,
- bool fw_abort);
-void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
-void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);
-void brcmf_cfg80211_free_netdev(struct net_device *ndev);
-
-#endif /* _wl_cfg80211_h_ */