return;
IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type);
- WARN_ON(test_and_set_bit(ref_type, mvm->ref_bitmap));
+ spin_lock_bh(&mvm->refs_lock);
+ mvm->refs[ref_type]++;
+ spin_unlock_bh(&mvm->refs_lock);
iwl_trans_ref(mvm->trans);
}
return;
IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type);
- WARN_ON(!test_and_clear_bit(ref_type, mvm->ref_bitmap));
+ spin_lock_bh(&mvm->refs_lock);
+ WARN_ON(!mvm->refs[ref_type]--);
+ spin_unlock_bh(&mvm->refs_lock);
iwl_trans_unref(mvm->trans);
}
-static void
-iwl_mvm_unref_all_except(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref)
+static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm,
+ enum iwl_mvm_ref_type except_ref)
{
- int i;
+ int i, j;
if (!iwl_mvm_is_d0i3_supported(mvm))
return;
- for_each_set_bit(i, mvm->ref_bitmap, IWL_MVM_REF_COUNT) {
- if (ref == i)
+ spin_lock_bh(&mvm->refs_lock);
+ for (i = 0; i < IWL_MVM_REF_COUNT; i++) {
+ if (except_ref == i || !mvm->refs[i])
continue;
- IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d\n", i);
- clear_bit(i, mvm->ref_bitmap);
- iwl_trans_unref(mvm->trans);
+ IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n",
+ i, mvm->refs[i]);
+ for (j = 0; j < mvm->refs[i]; j++)
+ iwl_trans_unref(mvm->trans);
+ mvm->refs[i] = 0;
}
+ spin_unlock_bh(&mvm->refs_lock);
}
-static int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
+int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type)
{
iwl_mvm_ref(mvm, ref_type);
IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_TIMING_BEACON_ONLY |
IEEE80211_HW_CONNECTION_MONITOR |
+ IEEE80211_HW_CHANCTX_STA_CSA |
IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
IEEE80211_HW_SUPPORTS_STATIC_SMPS;
spin_unlock_bh(&mvm->time_event_lock);
mvmvif->phy_ctxt = NULL;
+ memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
}
#ifdef CONFIG_IWLWIFI_DEBUGFS
struct iwl_fw_error_dump_file *dump_file;
struct iwl_fw_error_dump_data *dump_data;
struct iwl_fw_error_dump_info *dump_info;
+ struct iwl_mvm_dump_ptrs *fw_error_dump;
const struct fw_img *img;
u32 sram_len, sram_ofs;
u32 file_len, rxf_len;
unsigned long flags;
- u32 trans_len;
int reg_val;
lockdep_assert_held(&mvm->mutex);
if (mvm->fw_error_dump)
return;
+ fw_error_dump = kzalloc(sizeof(*mvm->fw_error_dump), GFP_KERNEL);
+ if (!fw_error_dump)
+ return;
+
img = &mvm->fw->img[mvm->cur_ucode];
sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
rxf_len +
sizeof(*dump_info);
- trans_len = iwl_trans_dump_data(mvm->trans, NULL, 0);
- if (trans_len)
- file_len += trans_len;
-
dump_file = vzalloc(file_len);
- if (!dump_file)
+ if (!dump_file) {
+ kfree(fw_error_dump);
return;
+ }
- mvm->fw_error_dump = dump_file;
+ fw_error_dump->op_mode_ptr = dump_file;
dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER);
- dump_file->file_len = cpu_to_le32(file_len);
dump_data = (void *)dump_file->data;
dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO);
iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data,
sram_len);
- if (trans_len) {
- void *buf = iwl_fw_error_next_data(dump_data);
- u32 real_trans_len = iwl_trans_dump_data(mvm->trans, buf,
- trans_len);
- dump_data = (void *)((u8 *)buf + real_trans_len);
- dump_file->file_len =
- cpu_to_le32(file_len - trans_len + real_trans_len);
- }
+ fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans);
+ fw_error_dump->op_mode_len = file_len;
+ if (fw_error_dump->trans_ptr)
+ file_len += fw_error_dump->trans_ptr->len;
+ dump_file->file_len = cpu_to_le32(file_len);
+ mvm->fw_error_dump = fw_error_dump;
}
#endif
iwl_mvm_reset_phy_ctxts(mvm);
memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table));
memset(mvm->sta_drained, 0, sizeof(mvm->sta_drained));
+ memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
+ memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old));
+ memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
+ memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old));
+ memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk));
+ memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk));
ieee80211_wake_queues(mvm->hw);
*/
iwl_mvm_remove_time_event(mvm, mvmvif,
&mvmvif->time_event_data);
- iwl_mvm_sf_update(mvm, vif, false);
- WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
} else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS |
BSS_CHANGED_QOS)) {
ret = iwl_mvm_power_update_mac(mvm);
if (ret)
IWL_ERR(mvm, "failed to update power mode\n");
}
+
+ if (changes & BSS_CHANGED_BEACON_INFO) {
+ iwl_mvm_sf_update(mvm, vif, false);
+ WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
+ }
+
if (changes & BSS_CHANGED_TXPOWER) {
IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
bss_conf->txpower);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
int ret;
+ /*
+ * iwl_mvm_mac_ctxt_add() might read directly from the device
+ * (the system time), so make sure it is available.
+ */
+ ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP);
+ if (ret)
+ return ret;
+
mutex_lock(&mvm->mutex);
/* Send the beacon template */
iwl_mvm_mac_ctxt_remove(mvm, vif);
out_unlock:
mutex_unlock(&mvm->mutex);
+ iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP);
return ret;
}
mutex_lock(&mvm->mutex);
+ /* Handle AP stop while in CSA */
+ if (rcu_access_pointer(mvm->csa_vif) == vif) {
+ iwl_mvm_remove_time_event(mvm, mvmvif,
+ &mvmvif->time_event_data);
+ RCU_INIT_POINTER(mvm->csa_vif, NULL);
+ }
+
+ if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) {
+ RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL);
+ mvm->csa_tx_block_bcn_timeout = 0;
+ }
+
mvmvif->ap_ibss_active = false;
mvm->ap_last_beacon_gp2 = 0;
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ /*
+ * iwl_mvm_bss_info_changed_station() might call
+ * iwl_mvm_protect_session(), which reads directly from
+ * the device (the system time), so make sure it is available.
+ */
+ if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED))
+ return;
+
mutex_lock(&mvm->mutex);
if (changes & BSS_CHANGED_IDLE && !bss_conf->idle)
}
mutex_unlock(&mvm->mutex);
+ iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED);
}
+static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm,
+ enum iwl_scan_status scan_type)
+{
+ int ret;
+ bool wait_for_handlers = false;
+
+ mutex_lock(&mvm->mutex);
+
+ if (mvm->scan_status != scan_type) {
+ ret = 0;
+ /* make sure there are no pending notifications */
+ wait_for_handlers = true;
+ goto out;
+ }
+
+ switch (scan_type) {
+ case IWL_MVM_SCAN_SCHED:
+ ret = iwl_mvm_scan_offload_stop(mvm, true);
+ break;
+ case IWL_MVM_SCAN_OS:
+ ret = iwl_mvm_cancel_scan(mvm);
+ break;
+ case IWL_MVM_SCAN_NONE:
+ default:
+ WARN_ON_ONCE(1);
+ ret = -EINVAL;
+ break;
+ }
+ if (ret)
+ goto out;
+
+ wait_for_handlers = true;
+out:
+ mutex_unlock(&mvm->mutex);
+
+ /* make sure we consume the completion notification */
+ if (wait_for_handlers)
+ iwl_mvm_wait_for_async_handlers(mvm);
+
+ return ret;
+}
static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_scan_request *hw_req)
req->n_channels > mvm->fw->ucode_capa.n_scan_channels)
return -EINVAL;
+ ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED);
+ if (ret)
+ return ret;
+
mutex_lock(&mvm->mutex);
- switch (mvm->scan_status) {
- case IWL_MVM_SCAN_SCHED:
- ret = iwl_mvm_scan_offload_stop(mvm, true);
- if (ret) {
- ret = -EBUSY;
- goto out;
- }
- break;
- case IWL_MVM_SCAN_NONE:
- break;
- default:
+ if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
ret = -EBUSY;
goto out;
}
iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN);
out:
mutex_unlock(&mvm->mutex);
- /* make sure to flush the Rx handler before the next scan arrives */
- iwl_mvm_wait_for_async_handlers(mvm);
return ret;
}
mutex_unlock(&mvm->mutex);
}
+int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+ struct ieee80211_sta *sta;
+ struct iwl_mvm_sta *mvmsta;
+ int count = 0;
+ int i;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
+ sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
+ lockdep_is_held(&mvm->mutex));
+ if (!sta || IS_ERR(sta) || !sta->tdls)
+ continue;
+
+ if (vif) {
+ mvmsta = iwl_mvm_sta_from_mac80211(sta);
+ if (mvmsta->vif != vif)
+ continue;
+ }
+
+ count++;
+ }
+
+ return count;
+}
+
+static void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ bool sta_added)
+{
+ int tdls_sta_cnt = iwl_mvm_tdls_sta_count(mvm, vif);
+
+ /*
+ * Disable ps when the first TDLS sta is added and re-enable it
+ * when the last TDLS sta is removed
+ */
+ if ((tdls_sta_cnt == 1 && sta_added) ||
+ (tdls_sta_cnt == 0 && !sta_added))
+ iwl_mvm_power_update_mac(mvm);
+}
+
+static void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm)
+{
+ struct ieee80211_sta *sta;
+ struct iwl_mvm_sta *mvmsta;
+ int i;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ for (i = 0; i < IWL_MVM_STATION_COUNT; i++) {
+ sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i],
+ lockdep_is_held(&mvm->mutex));
+ if (!sta || IS_ERR(sta) || !sta->tdls)
+ continue;
+
+ mvmsta = iwl_mvm_sta_from_mac80211(sta);
+ ieee80211_tdls_oper_request(mvmsta->vif, sta->addr,
+ NL80211_TDLS_TEARDOWN,
+ WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED,
+ GFP_KERNEL);
+ }
+}
+
static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
ret = -EINVAL;
goto out_unlock;
}
+
+ if (sta->tdls &&
+ (vif->p2p ||
+ iwl_mvm_tdls_sta_count(mvm, NULL) ==
+ IWL_MVM_TDLS_STA_COUNT ||
+ iwl_mvm_phy_ctx_count(mvm) > 1)) {
+ IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n");
+ ret = -EBUSY;
+ goto out_unlock;
+ }
+
ret = iwl_mvm_add_sta(mvm, vif, sta);
+ if (sta->tdls && ret == 0)
+ iwl_mvm_recalc_tdls_state(mvm, vif, true);
} else if (old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_AUTH) {
/*
true);
} else if (old_state == IEEE80211_STA_ASSOC &&
new_state == IEEE80211_STA_AUTHORIZED) {
+
+ /* we don't support TDLS during DCM */
+ if (iwl_mvm_phy_ctx_count(mvm) > 1)
+ iwl_mvm_teardown_tdls_peers(mvm);
+
/* enable beacon filtering */
WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
ret = 0;
} else if (old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_NOTEXIST) {
ret = iwl_mvm_rm_sta(mvm, vif, sta);
+ if (sta->tdls)
+ iwl_mvm_recalc_tdls_state(mvm, vif, false);
} else {
ret = -EIO;
}
if (WARN_ON_ONCE(vif->bss_conf.assoc))
return;
+ /*
+ * iwl_mvm_protect_session() reads directly from the device
+ * (the system time), so make sure it is available.
+ */
+ if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
+ return;
+
mutex_lock(&mvm->mutex);
/* Try really hard to protect the session and hear a beacon */
iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500);
mutex_unlock(&mvm->mutex);
+
+ iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
+}
+
+static void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ u32 duration = 2 * vif->bss_conf.dtim_period * vif->bss_conf.beacon_int;
+
+ /*
+ * iwl_mvm_protect_session() reads directly from the device
+ * (the system time), so make sure it is available.
+ */
+ if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_TDLS))
+ return;
+
+ mutex_lock(&mvm->mutex);
+ /* Protect the session to hear the TDLS setup response on the channel */
+ iwl_mvm_protect_session(mvm, vif, duration, duration, 100);
+ mutex_unlock(&mvm->mutex);
+
+ iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_TDLS);
}
static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
+ ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS);
+ if (ret)
+ return ret;
+
mutex_lock(&mvm->mutex);
if (!iwl_mvm_is_idle(mvm)) {
goto out;
}
- switch (mvm->scan_status) {
- case IWL_MVM_SCAN_OS:
- IWL_DEBUG_SCAN(mvm, "Stopping previous scan for sched_scan\n");
- ret = iwl_mvm_cancel_scan(mvm);
- if (ret) {
- ret = -EBUSY;
- goto out;
- }
-
- /*
- * iwl_mvm_rx_scan_complete() will be called soon but will
- * not reset the scan status as it won't be IWL_MVM_SCAN_OS
- * any more since we queue the next scan immediately (below).
- * We make sure it is called before the next scan starts by
- * flushing the async-handlers work.
- */
- break;
- case IWL_MVM_SCAN_NONE:
- break;
- default:
+ if (mvm->scan_status != IWL_MVM_SCAN_NONE) {
ret = -EBUSY;
goto out;
}
mvm->scan_status = IWL_MVM_SCAN_NONE;
out:
mutex_unlock(&mvm->mutex);
- /* make sure to flush the Rx handler before the next scan arrives */
- iwl_mvm_wait_for_async_handlers(mvm);
return ret;
}
}
+static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait,
+ struct iwl_rx_packet *pkt, void *data)
+{
+ struct iwl_mvm *mvm =
+ container_of(notif_wait, struct iwl_mvm, notif_wait);
+ struct iwl_hs20_roc_res *resp;
+ int resp_len = iwl_rx_packet_payload_len(pkt);
+ struct iwl_mvm_time_event_data *te_data = data;
+
+ if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD))
+ return true;
+
+ if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
+ IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n");
+ return true;
+ }
+
+ resp = (void *)pkt->data;
+
+ IWL_DEBUG_TE(mvm,
+ "Aux ROC: Recieved response from ucode: status=%d uid=%d\n",
+ resp->status, resp->event_unique_id);
+
+ te_data->uid = le32_to_cpu(resp->event_unique_id);
+ IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n",
+ te_data->uid);
+
+ spin_lock_bh(&mvm->time_event_lock);
+ list_add_tail(&te_data->list, &mvm->aux_roc_te_list);
+ spin_unlock_bh(&mvm->time_event_lock);
+
+ return true;
+}
+
+#define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000
+static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm,
+ struct ieee80211_channel *channel,
+ struct ieee80211_vif *vif,
+ int duration)
+{
+ int res, time_reg = DEVICE_SYSTEM_TIME_REG;
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data;
+ static const u8 time_event_response[] = { HOT_SPOT_CMD };
+ struct iwl_notification_wait wait_time_event;
+ struct iwl_hs20_roc_req aux_roc_req = {
+ .action = cpu_to_le32(FW_CTXT_ACTION_ADD),
+ .id_and_color =
+ cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)),
+ .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id),
+ /* Set the channel info data */
+ .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ?
+ PHY_BAND_24 : PHY_BAND_5,
+ .channel_info.channel = channel->hw_value,
+ .channel_info.width = PHY_VHT_CHANNEL_MODE20,
+ /* Set the time and duration */
+ .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)),
+ .apply_time_max_delay =
+ cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)),
+ .duration = cpu_to_le32(MSEC_TO_TU(duration)),
+ };
+
+ /* Set the node address */
+ memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN);
+
+ te_data->vif = vif;
+ te_data->duration = duration;
+ te_data->id = HOT_SPOT_CMD;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ spin_lock_bh(&mvm->time_event_lock);
+ list_add_tail(&te_data->list, &mvm->time_event_list);
+ spin_unlock_bh(&mvm->time_event_lock);
+
+ /*
+ * Use a notification wait, which really just processes the
+ * command response and doesn't wait for anything, in order
+ * to be able to process the response and get the UID inside
+ * the RX path. Using CMD_WANT_SKB doesn't work because it
+ * stores the buffer and then wakes up this thread, by which
+ * time another notification (that the time event started)
+ * might already be processed unsuccessfully.
+ */
+ iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event,
+ time_event_response,
+ ARRAY_SIZE(time_event_response),
+ iwl_mvm_rx_aux_roc, te_data);
+
+ res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req),
+ &aux_roc_req);
+
+ if (res) {
+ IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res);
+ iwl_remove_notification(&mvm->notif_wait, &wait_time_event);
+ goto out_clear_te;
+ }
+
+ /* No need to wait for anything, so just pass 1 (0 isn't valid) */
+ res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1);
+ /* should never fail */
+ WARN_ON_ONCE(res);
+
+ if (res) {
+ out_clear_te:
+ spin_lock_bh(&mvm->time_event_lock);
+ iwl_mvm_te_clear_data(mvm, te_data);
+ spin_unlock_bh(&mvm->time_event_lock);
+ }
+
+ return res;
+}
+
static int iwl_mvm_roc(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel *channel,
IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
duration, type);
- if (vif->type != NL80211_IFTYPE_P2P_DEVICE) {
- IWL_ERR(mvm, "vif isn't a P2P_DEVICE: %d\n", vif->type);
+ switch (vif->type) {
+ case NL80211_IFTYPE_STATION:
+ /* Use aux roc framework (HS20) */
+ ret = iwl_mvm_send_aux_roc_cmd(mvm, channel,
+ vif, duration);
+ return ret;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ /* handle below */
+ break;
+ default:
+ IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type);
return -EINVAL;
}
static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
- struct ieee80211_chanctx_conf *ctx)
+ struct ieee80211_chanctx_conf *ctx,
+ bool switching_chanctx)
{
u16 *phy_ctxt_id = (u16 *)ctx->drv_priv;
struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id];
}
/* Handle binding during CSA */
- if (vif->type == NL80211_IFTYPE_AP) {
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (switching_chanctx && (vif->type == NL80211_IFTYPE_STATION))) {
iwl_mvm_update_quotas(mvm, NULL);
iwl_mvm_mac_ctxt_changed(mvm, vif, false);
}
int ret;
mutex_lock(&mvm->mutex);
- ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx);
+ ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false);
mutex_unlock(&mvm->mutex);
return ret;
static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
- struct ieee80211_chanctx_conf *ctx)
+ struct ieee80211_chanctx_conf *ctx,
+ bool switching_chanctx)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct ieee80211_vif *disabled_vif = NULL;
lockdep_assert_held(&mvm->mutex);
goto out;
case NL80211_IFTYPE_MONITOR:
mvmvif->monitor_active = false;
- iwl_mvm_update_quotas(mvm, NULL);
break;
case NL80211_IFTYPE_AP:
/* This part is triggered only during CSA */
if (!vif->csa_active || !mvmvif->ap_ibss_active)
goto out;
+ /* Set CS bit on all the stations */
+ iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true);
+
+ /* Save blocked iface, the timeout is set on the next beacon */
+ rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif);
+
mvmvif->ap_ibss_active = false;
- iwl_mvm_update_quotas(mvm, NULL);
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (!switching_chanctx)
+ break;
+
+ disabled_vif = vif;
+
+ iwl_mvm_mac_ctxt_changed(mvm, vif, true);
+ break;
default:
break;
}
+ iwl_mvm_update_quotas(mvm, disabled_vif);
iwl_mvm_binding_remove_vif(mvm, vif);
out:
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
mutex_lock(&mvm->mutex);
- __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx);
+ __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false);
mutex_unlock(&mvm->mutex);
}
return -EOPNOTSUPP;
mutex_lock(&mvm->mutex);
- __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx);
+ __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
__iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx);
goto out_reassign;
}
- ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx);
+ ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx,
+ true);
if (ret) {
IWL_ERR(mvm,
"failed to assign new_ctx during channel switch\n");
goto out_restart;
}
- ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx);
+ ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx,
+ true);
if (ret) {
IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n");
goto out_restart;
struct cfg80211_chan_def *chandef)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ struct ieee80211_vif *csa_vif;
mutex_lock(&mvm->mutex);
- if (WARN(mvm->csa_vif && mvm->csa_vif->csa_active,
+
+ csa_vif = rcu_dereference_protected(mvm->csa_vif,
+ lockdep_is_held(&mvm->mutex));
+ if (WARN(csa_vif && csa_vif->csa_active,
"Another CSA is already in progress"))
goto out_unlock;
IWL_DEBUG_MAC80211(mvm, "CSA started to freq %d\n",
chandef->center_freq1);
- mvm->csa_vif = vif;
+ rcu_assign_pointer(mvm->csa_vif, vif);
out_unlock:
mutex_unlock(&mvm->mutex);
.sta_rc_update = iwl_mvm_sta_rc_update,
.conf_tx = iwl_mvm_mac_conf_tx,
.mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,
+ .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover,
.flush = iwl_mvm_mac_flush,
.sched_scan_start = iwl_mvm_mac_sched_scan_start,
.sched_scan_stop = iwl_mvm_mac_sched_scan_stop,
projects / deliverable / linux.git / blobdiff