From 12190c5d80bd3c880c76fdaee5a56314ff0bd256 Mon Sep 17 00:00:00 2001 From: Avinash Patil Date: Tue, 8 May 2012 18:30:24 -0700 Subject: [PATCH] mwifiex: add cfg80211 start_ap and stop_ap handlers 1. add start AP and stop AP handlers 2. support for parsing ssid, beacon period, DTIM period from beacon_parameters structure and setting it to FW. Signed-off-by: Avinash Patil Signed-off-by: Yogesh Ashok Powar Signed-off-by: Kiran Divekar Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/cfg80211.c | 71 +++++++++++++++++++++++++ drivers/net/wireless/mwifiex/decl.h | 10 ++++ drivers/net/wireless/mwifiex/fw.h | 18 +++++++ drivers/net/wireless/mwifiex/ioctl.h | 5 ++ drivers/net/wireless/mwifiex/uap_cmd.c | 35 ++++++++++++ 5 files changed, 139 insertions(+) diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index daa7b4b1a250..8ae9b6821319 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -922,6 +922,75 @@ static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, return 0; } +/* cfg80211 operation handler for stop ap. + * Function stops BSS running at uAP interface. + */ +static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) +{ + struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + + if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, + HostCmd_ACT_GEN_SET, 0, NULL)) { + wiphy_err(wiphy, "Failed to stop the BSS\n"); + return -1; + } + + return 0; +} + +/* cfg80211 operation handler for start_ap. + * Function sets beacon period, DTIM period, SSID and security into + * AP config structure. + * AP is configured with these settings and BSS is started. + */ +static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_ap_settings *params) +{ + struct mwifiex_uap_bss_param *bss_cfg; + struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + + bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); + if (!bss_cfg) + return -ENOMEM; + + mwifiex_set_sys_config_invalid_data(bss_cfg); + + if (params->beacon_interval) + bss_cfg->beacon_period = params->beacon_interval; + if (params->dtim_period) + bss_cfg->dtim_period = params->dtim_period; + + if (params->ssid && params->ssid_len) { + memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); + bss_cfg->ssid.ssid_len = params->ssid_len; + } + + if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, + HostCmd_ACT_GEN_SET, 0, NULL)) { + wiphy_err(wiphy, "Failed to stop the BSS\n"); + kfree(bss_cfg); + return -1; + } + + if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG, + HostCmd_ACT_GEN_SET, 0, bss_cfg)) { + wiphy_err(wiphy, "Failed to set the SSID\n"); + kfree(bss_cfg); + return -1; + } + + kfree(bss_cfg); + + if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START, + HostCmd_ACT_GEN_SET, 0, NULL)) { + wiphy_err(wiphy, "Failed to start the BSS\n"); + return -1; + } + + return 0; +} + /* * CFG802.11 operation handler for disconnection request. * @@ -1581,6 +1650,8 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = { .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, .set_tx_power = mwifiex_cfg80211_set_tx_power, .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, + .start_ap = mwifiex_cfg80211_start_ap, + .stop_ap = mwifiex_cfg80211_stop_ap, .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, }; diff --git a/drivers/net/wireless/mwifiex/decl.h b/drivers/net/wireless/mwifiex/decl.h index 31dc2bada512..f918f66e5e27 100644 --- a/drivers/net/wireless/mwifiex/decl.h +++ b/drivers/net/wireless/mwifiex/decl.h @@ -55,6 +55,11 @@ #define MWIFIEX_RX_DATA_BUF_SIZE (4 * 1024) #define MWIFIEX_RX_CMD_BUF_SIZE (2 * 1024) +#define MAX_BEACON_PERIOD (4000) +#define MIN_BEACON_PERIOD (50) +#define MAX_DTIM_PERIOD (100) +#define MIN_DTIM_PERIOD (1) + #define MWIFIEX_RTS_MIN_VALUE (0) #define MWIFIEX_RTS_MAX_VALUE (2347) #define MWIFIEX_FRAG_MIN_VALUE (256) @@ -93,6 +98,11 @@ struct mwifiex_fw_image { u32 fw_len; }; +struct mwifiex_802_11_ssid { + u32 ssid_len; + u8 ssid[IEEE80211_MAX_SSID_LEN]; +}; + struct mwifiex_wait_queue { wait_queue_head_t wait; int status; diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index a4c2fc3e3d71..07243c04454a 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -93,6 +93,8 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { #define CAL_SNR(RSSI, NF) ((s16)((s16)(RSSI)-(s16)(NF))) +#define TLV_TYPE_UAP_SSID 0x0000 + #define PROPRIETARY_TLV_BASE_ID 0x0100 #define TLV_TYPE_KEY_MATERIAL (PROPRIETARY_TLV_BASE_ID + 0) #define TLV_TYPE_CHANLIST (PROPRIETARY_TLV_BASE_ID + 1) @@ -106,6 +108,8 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { #define TLV_TYPE_AUTH_TYPE (PROPRIETARY_TLV_BASE_ID + 31) #define TLV_TYPE_STA_MAC_ADDR (PROPRIETARY_TLV_BASE_ID + 32) #define TLV_TYPE_CHANNELBANDLIST (PROPRIETARY_TLV_BASE_ID + 42) +#define TLV_TYPE_UAP_BEACON_PERIOD (PROPRIETARY_TLV_BASE_ID + 44) +#define TLV_TYPE_UAP_DTIM_PERIOD (PROPRIETARY_TLV_BASE_ID + 45) #define TLV_TYPE_UAP_RTS_THRESHOLD (PROPRIETARY_TLV_BASE_ID + 51) #define TLV_TYPE_UAP_FRAG_THRESHOLD (PROPRIETARY_TLV_BASE_ID + 70) #define TLV_TYPE_RATE_DROP_CONTROL (PROPRIETARY_TLV_BASE_ID + 82) @@ -1119,6 +1123,20 @@ struct host_cmd_ds_sys_config { __le16 action; u8 tlv[0]; }; +struct host_cmd_tlv_ssid { + struct host_cmd_tlv tlv; + u8 ssid[0]; +} __packed; + +struct host_cmd_tlv_beacon_period { + struct host_cmd_tlv tlv; + __le16 period; +} __packed; + +struct host_cmd_tlv_dtim_period { + struct host_cmd_tlv tlv; + u8 period; +} __packed; struct host_cmd_tlv_frag_threshold { struct host_cmd_tlv tlv; diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h index 535a57a3f96e..99a7168022d0 100644 --- a/drivers/net/wireless/mwifiex/ioctl.h +++ b/drivers/net/wireless/mwifiex/ioctl.h @@ -69,6 +69,11 @@ struct mwifiex_uap_bss_param { u16 rts_threshold; u16 frag_threshold; u8 retry_limit; + struct mwifiex_802_11_ssid ssid; + u8 bcast_ssid_ctl; + u8 radio_ctl; + u8 dtim_period; + u16 beacon_period; }; enum { diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c index 2225baca896a..66047cff7eb7 100644 --- a/drivers/net/wireless/mwifiex/uap_cmd.c +++ b/drivers/net/wireless/mwifiex/uap_cmd.c @@ -38,6 +38,9 @@ static int mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, { u8 *tlv; struct host_cmd_ds_sys_config *sys_config = &cmd->params.uap_sys_config; + struct host_cmd_tlv_dtim_period *dtim_period; + struct host_cmd_tlv_beacon_period *beacon_period; + struct host_cmd_tlv_ssid *ssid; struct host_cmd_tlv_channel_band *chan_band; struct host_cmd_tlv_frag_threshold *frag_threshold; struct host_cmd_tlv_rts_threshold *rts_threshold; @@ -52,6 +55,15 @@ static int mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, tlv = sys_config->tlv; + if (bss_cfg->ssid.ssid_len) { + ssid = (struct host_cmd_tlv_ssid *)tlv; + ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_SSID); + ssid->tlv.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len); + memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len); + cmd_size += sizeof(struct host_cmd_tlv) + + bss_cfg->ssid.ssid_len; + tlv += sizeof(struct host_cmd_tlv) + bss_cfg->ssid.ssid_len; + } if (bss_cfg->channel && bss_cfg->channel <= MAX_CHANNEL_BAND_BG) { chan_band = (struct host_cmd_tlv_channel_band *)tlv; chan_band->tlv.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); @@ -63,6 +75,29 @@ static int mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, cmd_size += sizeof(struct host_cmd_tlv_channel_band); tlv += sizeof(struct host_cmd_tlv_channel_band); } + if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD && + bss_cfg->beacon_period <= MAX_BEACON_PERIOD) { + beacon_period = (struct host_cmd_tlv_beacon_period *)tlv; + beacon_period->tlv.type = + cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD); + beacon_period->tlv.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) - + sizeof(struct host_cmd_tlv)); + beacon_period->period = cpu_to_le16(bss_cfg->beacon_period); + cmd_size += sizeof(struct host_cmd_tlv_beacon_period); + tlv += sizeof(struct host_cmd_tlv_beacon_period); + } + if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD && + bss_cfg->dtim_period <= MAX_DTIM_PERIOD) { + dtim_period = (struct host_cmd_tlv_dtim_period *)tlv; + dtim_period->tlv.type = cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD); + dtim_period->tlv.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) - + sizeof(struct host_cmd_tlv)); + dtim_period->period = bss_cfg->dtim_period; + cmd_size += sizeof(struct host_cmd_tlv_dtim_period); + tlv += sizeof(struct host_cmd_tlv_dtim_period); + } if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) { rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv; rts_threshold->tlv.type = -- 2.30.2