* capability.
* @IWL_UCODE_TLV_CAPA_CSI_REPORTING: firmware is capable of being configured
* to report the CSI information with (certain) RX frames
+ * @IWL_UCODE_TLV_CAPA_FTM_CALIBRATED: has FTM calibrated and thus supports both
+ * initiator and responder
*
* @IWL_UCODE_TLV_CAPA_MLME_OFFLOAD: supports MLME offload
*
* @NUM_IWL_UCODE_TLV_CAPA: number of bits used
*/
enum iwl_ucode_tlv_capa {
+ /* set 0 */
IWL_UCODE_TLV_CAPA_D0I3_SUPPORT = (__force iwl_ucode_tlv_capa_t)0,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT = (__force iwl_ucode_tlv_capa_t)1,
IWL_UCODE_TLV_CAPA_UMAC_SCAN = (__force iwl_ucode_tlv_capa_t)2,
IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC = (__force iwl_ucode_tlv_capa_t)29,
IWL_UCODE_TLV_CAPA_BT_COEX_RRC = (__force iwl_ucode_tlv_capa_t)30,
IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT = (__force iwl_ucode_tlv_capa_t)31,
+
+ /* set 1 */
IWL_UCODE_TLV_CAPA_STA_PM_NOTIF = (__force iwl_ucode_tlv_capa_t)38,
IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT = (__force iwl_ucode_tlv_capa_t)39,
IWL_UCODE_TLV_CAPA_CDB_SUPPORT = (__force iwl_ucode_tlv_capa_t)40,
IWL_UCODE_TLV_CAPA_COEX_SCHEMA_2 = (__force iwl_ucode_tlv_capa_t)45,
IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD = (__force iwl_ucode_tlv_capa_t)46,
IWL_UCODE_TLV_CAPA_ULTRA_HB_CHANNELS = (__force iwl_ucode_tlv_capa_t)48,
+ IWL_UCODE_TLV_CAPA_FTM_CALIBRATED = (__force iwl_ucode_tlv_capa_t)47,
+
+ /* set 2 */
IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE = (__force iwl_ucode_tlv_capa_t)64,
IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS = (__force iwl_ucode_tlv_capa_t)65,
IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT = (__force iwl_ucode_tlv_capa_t)67,
IWL_UCODE_TLV_CAPA_MCC_UPDATE_11AX_SUPPORT = (__force iwl_ucode_tlv_capa_t)89,
IWL_UCODE_TLV_CAPA_CSI_REPORTING = (__force iwl_ucode_tlv_capa_t)90,
+ /* set 3 */
IWL_UCODE_TLV_CAPA_MLME_OFFLOAD = (__force iwl_ucode_tlv_capa_t)96,
NUM_IWL_UCODE_TLV_CAPA
iwlmvm-y += utils.o rx.o rxmq.o tx.o binding.o quota.o sta.o sf.o
iwlmvm-y += scan.o time-event.o rs.o rs-fw.o
iwlmvm-y += power.o coex.o
-iwlmvm-y += tt.o offloading.o tdls.o
+iwlmvm-y += tt.o offloading.o tdls.o ftm-responder.o
iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o
iwlmvm-$(CONFIG_IWLWIFI_LEDS) += led.o
iwlmvm-$(CONFIG_PM) += d3.o
--- /dev/null
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ * Intel Linux Wireless <linuxwifi@intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
+ * Copyright (C) 2018 Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+#include <net/cfg80211.h>
+#include <linux/etherdevice.h>
+#include "mvm.h"
+#include "constants.h"
+
+static int
+iwl_mvm_ftm_responder_cmd(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ struct cfg80211_chan_def *chandef)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_tof_responder_config_cmd cmd = {
+ .channel_num = chandef->chan->hw_value,
+ .cmd_valid_fields =
+ cpu_to_le32(IWL_TOF_RESPONDER_CMD_VALID_CHAN_INFO |
+ IWL_TOF_RESPONDER_CMD_VALID_BSSID |
+ IWL_TOF_RESPONDER_CMD_VALID_STA_ID),
+ .sta_id = mvmvif->bcast_sta.sta_id,
+ };
+
+ lockdep_assert_held(&mvm->mutex);
+
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ cmd.bandwidth = IWL_TOF_BW_20_LEGACY;
+ break;
+ case NL80211_CHAN_WIDTH_20:
+ cmd.bandwidth = IWL_TOF_BW_20_HT;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ cmd.bandwidth = IWL_TOF_BW_40;
+ cmd.ctrl_ch_position = iwl_mvm_get_ctrl_pos(chandef);
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ cmd.bandwidth = IWL_TOF_BW_80;
+ cmd.ctrl_ch_position = iwl_mvm_get_ctrl_pos(chandef);
+ break;
+ default:
+ WARN_ON(1);
+ return -EINVAL;
+ }
+
+ memcpy(cmd.bssid, vif->addr, ETH_ALEN);
+
+ return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_RESPONDER_CONFIG_CMD,
+ LOCATION_GROUP, 0),
+ 0, sizeof(cmd), &cmd);
+}
+
+static int
+iwl_mvm_ftm_responder_dyn_cfg_cmd(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ struct ieee80211_ftm_responder_params *params)
+{
+ struct iwl_tof_responder_dyn_config_cmd cmd = {
+ .lci_len = cpu_to_le32(params->lci_len + 2),
+ .civic_len = cpu_to_le32(params->civicloc_len + 2),
+ };
+ u8 data[IWL_LCI_CIVIC_IE_MAX_SIZE] = {0};
+ struct iwl_host_cmd hcmd = {
+ .id = iwl_cmd_id(TOF_RESPONDER_DYN_CONFIG_CMD,
+ LOCATION_GROUP, 0),
+ .data[0] = &cmd,
+ .len[0] = sizeof(cmd),
+ .data[1] = &data,
+ /* .len[1] set later */
+ /* may not be able to DMA from stack */
+ .dataflags[1] = IWL_HCMD_DFL_DUP,
+ };
+ u32 aligned_lci_len = ALIGN(params->lci_len + 2, 4);
+ u32 aligned_civicloc_len = ALIGN(params->civicloc_len + 2, 4);
+ u8 *pos = data;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (aligned_lci_len + aligned_civicloc_len > sizeof(data)) {
+ IWL_ERR(mvm, "LCI/civicloc data too big (%zd + %zd)\n",
+ params->lci_len, params->civicloc_len);
+ return -ENOBUFS;
+ }
+
+ pos[0] = WLAN_EID_MEASURE_REPORT;
+ pos[1] = params->lci_len;
+ memcpy(pos + 2, params->lci, params->lci_len);
+
+ pos += aligned_lci_len;
+ pos[0] = WLAN_EID_MEASURE_REPORT;
+ pos[1] = params->civicloc_len;
+ memcpy(pos + 2, params->civicloc, params->civicloc_len);
+
+ hcmd.len[1] = aligned_lci_len + aligned_civicloc_len;
+
+ return iwl_mvm_send_cmd(mvm, &hcmd);
+}
+
+int iwl_mvm_ftm_start_responder(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct ieee80211_ftm_responder_params *params;
+ struct ieee80211_chanctx_conf ctx, *pctx;
+ u16 *phy_ctxt_id;
+ struct iwl_mvm_phy_ctxt *phy_ctxt;
+ int ret;
+
+ params = vif->bss_conf.ftmr_params;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ if (WARN_ON_ONCE(!vif->bss_conf.ftm_responder))
+ return -EINVAL;
+
+ if (vif->p2p || vif->type != NL80211_IFTYPE_AP ||
+ !mvmvif->ap_ibss_active) {
+ IWL_ERR(mvm, "Cannot start responder, not in AP mode\n");
+ return -EIO;
+ }
+
+ rcu_read_lock();
+ pctx = rcu_dereference(vif->chanctx_conf);
+ /* Copy the ctx to unlock the rcu and send the phy ctxt. We don't care
+ * about changes in the ctx after releasing the lock because the driver
+ * is still protected by the mutex. */
+ ctx = *pctx;
+ phy_ctxt_id = (u16 *)pctx->drv_priv;
+ rcu_read_unlock();
+
+ phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
+ ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx.def,
+ ctx.rx_chains_static,
+ ctx.rx_chains_dynamic);
+ if (ret)
+ return ret;
+
+ ret = iwl_mvm_ftm_responder_cmd(mvm, vif, &ctx.def);
+ if (ret)
+ return ret;
+
+ if (params)
+ ret = iwl_mvm_ftm_responder_dyn_cfg_cmd(mvm, vif, params);
+
+ return ret;
+}
+
+void iwl_mvm_ftm_restart_responder(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif)
+{
+ if (!vif->bss_conf.ftm_responder)
+ return;
+
+ iwl_mvm_ftm_start_responder(mvm, vif);
+}
+
+void iwl_mvm_ftm_responder_stats(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_ftm_responder_stats *resp = (void *)pkt->data;
+ struct cfg80211_ftm_responder_stats *stats = &mvm->ftm_resp_stats;
+ u32 flags = le32_to_cpu(resp->flags);
+
+ if (resp->success_ftm == resp->ftm_per_burst)
+ stats->success_num++;
+ else if (resp->success_ftm >= 2)
+ stats->partial_num++;
+ else
+ stats->failed_num++;
+
+ if ((flags & FTM_RESP_STAT_ASAP_REQ) &&
+ (flags & FTM_RESP_STAT_ASAP_RESP))
+ stats->asap_num++;
+
+ if (flags & FTM_RESP_STAT_NON_ASAP_RESP)
+ stats->non_asap_num++;
+
+ stats->total_duration_ms += le32_to_cpu(resp->duration) / USEC_PER_MSEC;
+
+ if (flags & FTM_RESP_STAT_TRIGGER_UNKNOWN)
+ stats->unknown_triggers_num++;
+
+ if (flags & FTM_RESP_STAT_DUP)
+ stats->reschedule_requests_num++;
+
+ if (flags & FTM_RESP_STAT_NON_ASAP_OUT_WIN)
+ stats->out_of_window_triggers_num++;
+}
hw->wiphy->n_cipher_suites++;
}
+ if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_FTM_CALIBRATED))
+ wiphy_ext_feature_set(hw->wiphy,
+ NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER);
+
ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
hw->wiphy->features |=
NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
IEEE80211_VIF_SUPPORTS_CQM_RSSI);
}
+ if (vif->bss_conf.ftm_responder)
+ memset(&mvm->ftm_resp_stats, 0, sizeof(mvm->ftm_resp_stats));
+
iwl_mvm_vif_dbgfs_clean(mvm, vif);
/*
if (iwl_mvm_phy_ctx_count(mvm) > 1)
iwl_mvm_teardown_tdls_peers(mvm);
+ iwl_mvm_ftm_restart_responder(mvm, vif);
+
goto out_unlock;
out_quota_failed:
bss_conf->txpower);
iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
}
+
+ if (changes & BSS_CHANGED_FTM_RESPONDER) {
+ int ret = iwl_mvm_ftm_start_responder(mvm, vif);
+
+ if (ret)
+ IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n",
+ ret);
+ }
+
}
static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw,
return 0;
}
+struct iwl_mvm_ftm_responder_iter_data {
+ bool responder;
+ struct ieee80211_chanctx_conf *ctx;
+};
+
+static void iwl_mvm_ftm_responder_chanctx_iter(void *_data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_mvm_ftm_responder_iter_data *data = _data;
+
+ if (rcu_access_pointer(vif->chanctx_conf) == data->ctx &&
+ vif->type == NL80211_IFTYPE_AP && vif->bss_conf.ftmr_params)
+ data->responder = true;
+}
+
+static bool iwl_mvm_is_ftm_responder_chanctx(struct iwl_mvm *mvm,
+ struct ieee80211_chanctx_conf *ctx)
+{
+ struct iwl_mvm_ftm_responder_iter_data data = {
+ .responder = false,
+ .ctx = ctx,
+ };
+
+ ieee80211_iterate_active_interfaces_atomic(mvm->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ iwl_mvm_ftm_responder_chanctx_iter,
+ &data);
+ return data.responder;
+}
+
static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm,
struct ieee80211_chanctx_conf *ctx)
{
u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
struct iwl_mvm_phy_ctxt *phy_ctxt;
+ bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx);
+ struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def;
int ret;
lockdep_assert_held(&mvm->mutex);
goto out;
}
- ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
+ ret = iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def,
ctx->rx_chains_static,
ctx->rx_chains_dynamic);
if (ret) {
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
+ bool responder = iwl_mvm_is_ftm_responder_chanctx(mvm, ctx);
+ struct cfg80211_chan_def *def = responder ? &ctx->def : &ctx->min_def;
if (WARN_ONCE((phy_ctxt->ref > 1) &&
(changed & ~(IEEE80211_CHANCTX_CHANGE_WIDTH |
/* we are only changing the min_width, may be a noop */
if (changed == IEEE80211_CHANCTX_CHANGE_MIN_WIDTH) {
- if (phy_ctxt->width == ctx->min_def.width)
+ if (phy_ctxt->width == def->width)
goto out_unlock;
/* we are just toggling between 20_NOHT and 20 */
if (phy_ctxt->width <= NL80211_CHAN_WIDTH_20 &&
- ctx->min_def.width <= NL80211_CHAN_WIDTH_20)
+ def->width <= NL80211_CHAN_WIDTH_20)
goto out_unlock;
}
iwl_mvm_bt_coex_vif_change(mvm);
- iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, &ctx->min_def,
+ iwl_mvm_phy_ctxt_changed(mvm, phy_ctxt, def,
ctx->rx_chains_static,
ctx->rx_chains_dynamic);
mutex_unlock(&mvm->mutex);
}
+static int
+iwl_mvm_mac_get_ftm_responder_stats(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_ftm_responder_stats *stats)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+ if (vif->p2p || vif->type != NL80211_IFTYPE_AP ||
+ !mvmvif->ap_ibss_active || !vif->bss_conf.ftm_responder)
+ return -EINVAL;
+
+ mutex_lock(&mvm->mutex);
+ *stats = mvm->ftm_resp_stats;
+ mutex_unlock(&mvm->mutex);
+
+ stats->filled = BIT(NL80211_FTM_STATS_SUCCESS_NUM) |
+ BIT(NL80211_FTM_STATS_PARTIAL_NUM) |
+ BIT(NL80211_FTM_STATS_FAILED_NUM) |
+ BIT(NL80211_FTM_STATS_ASAP_NUM) |
+ BIT(NL80211_FTM_STATS_NON_ASAP_NUM) |
+ BIT(NL80211_FTM_STATS_TOTAL_DURATION_MSEC) |
+ BIT(NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM) |
+ BIT(NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM) |
+ BIT(NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM);
+
+ return 0;
+}
+
static bool iwl_mvm_can_hw_csum(struct sk_buff *skb)
{
u8 protocol = ip_hdr(skb)->protocol;
#endif
.get_survey = iwl_mvm_mac_get_survey,
.sta_statistics = iwl_mvm_mac_sta_statistics,
+ .get_ftm_responder_stats = iwl_mvm_mac_get_ftm_responder_stats,
+
.can_aggregate_in_amsdu = iwl_mvm_mac_can_aggregate,
#ifdef CONFIG_IWLWIFI_DEBUGFS
.sta_add_debugfs = iwl_mvm_sta_add_debugfs,
u32 ciphers[IWL_MVM_NUM_CIPHERS];
struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
+ struct cfg80211_ftm_responder_stats ftm_resp_stats;
+
struct ieee80211_vif *nan_vif;
#define IWL_MAX_BAID 32
struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
bool added_vif);
+/* FTM responder */
+int iwl_mvm_ftm_start_responder(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
+void iwl_mvm_ftm_restart_responder(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif);
+void iwl_mvm_ftm_responder_stats(struct iwl_mvm *mvm,
+ struct iwl_rx_cmd_buffer *rxb);
+
/* TDLS */
/*
RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif,
RX_HANDLER_SYNC),
+ RX_HANDLER_GRP(LOCATION_GROUP, TOF_RESPONDER_STATS,
+ iwl_mvm_ftm_responder_stats, RX_HANDLER_ASYNC_LOCKED),
RX_HANDLER_GRP(DEBUG_GROUP, MFU_ASSERT_DUMP_NTF,
iwl_mvm_mfu_assert_dump_notif, RX_HANDLER_SYNC),
RX_HANDLER_GRP(PROT_OFFLOAD_GROUP, STORED_BEACON_NTF,