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path: root/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c229
1 files changed, 101 insertions, 128 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index c7b1e58e3384..15f2d826bb4b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -87,7 +87,6 @@
#include "fw/error-dump.h"
#include "iwl-prph.h"
#include "iwl-nvm-parse.h"
-#include "fw-dbg.h"
static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
{
@@ -446,8 +445,18 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
if (iwl_mvm_has_new_rx_api(mvm))
ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
- if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_STA_PM_NOTIF))
+
+ if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_STA_PM_NOTIF)) {
ieee80211_hw_set(hw, AP_LINK_PS);
+ } else if (WARN_ON(iwl_mvm_has_new_tx_api(mvm))) {
+ /*
+ * we absolutely need this for the new TX API since that comes
+ * with many more queues than the current code can deal with
+ * for station powersave
+ */
+ return -EINVAL;
+ }
if (mvm->trans->num_rx_queues > 1)
ieee80211_hw_set(hw, USES_RSS);
@@ -455,10 +464,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
if (mvm->trans->max_skb_frags)
hw->netdev_features = NETIF_F_HIGHDMA | NETIF_F_SG;
- if (!iwl_mvm_is_dqa_supported(mvm))
- hw->queues = mvm->first_agg_queue;
- else
- hw->queues = IEEE80211_MAX_QUEUES;
+ hw->queues = IEEE80211_MAX_QUEUES;
hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
hw->radiotap_mcs_details |= IEEE80211_RADIOTAP_MCS_HAVE_FEC |
IEEE80211_RADIOTAP_MCS_HAVE_STBC;
@@ -799,17 +805,16 @@ static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
goto drop;
}
- if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
+ if (info->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
!test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status) &&
!test_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
goto drop;
- /* treat non-bufferable MMPDUs as broadcast if sta is sleeping */
- if (unlikely(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER &&
- ieee80211_is_mgmt(hdr->frame_control) &&
- !ieee80211_is_deauth(hdr->frame_control) &&
- !ieee80211_is_disassoc(hdr->frame_control) &&
- !ieee80211_is_action(hdr->frame_control)))
+ /* treat non-bufferable MMPDUs on AP interfaces as broadcast */
+ if ((info->control.vif->type == NL80211_IFTYPE_AP ||
+ info->control.vif->type == NL80211_IFTYPE_ADHOC) &&
+ ieee80211_is_mgmt(hdr->frame_control) &&
+ !ieee80211_is_bufferable_mmpdu(hdr->frame_control))
sta = NULL;
if (sta) {
@@ -845,11 +850,11 @@ static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg)
return true;
}
-#define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
- do { \
- if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
- break; \
- iwl_mvm_fw_dbg_collect_trig(_mvm, _trig, _fmt); \
+#define CHECK_BA_TRIGGER(_mvm, _trig, _tid_bm, _tid, _fmt...) \
+ do { \
+ if (!(le16_to_cpu(_tid_bm) & BIT(_tid))) \
+ break; \
+ iwl_fw_dbg_collect_trig(&(_mvm)->fwrt, _trig, _fmt); \
} while (0)
static void
@@ -866,7 +871,8 @@ iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
- if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
+ if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
+ ieee80211_vif_to_wdev(vif), trig))
return;
switch (action) {
@@ -1029,8 +1035,8 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
* on D3->D0 transition
*/
if (!test_and_clear_bit(IWL_MVM_STATUS_D3_RECONFIG, &mvm->status)) {
- mvm->fw_dump_desc = &iwl_mvm_dump_desc_assert;
- iwl_mvm_fw_error_dump(mvm);
+ mvm->fwrt.dump.desc = &iwl_dump_desc_assert;
+ iwl_fw_error_dump(&mvm->fwrt);
}
/* cleanup all stale references (scan, roc), but keep the
@@ -1059,9 +1065,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
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->sta_deferred_frames, 0, sizeof(mvm->sta_deferred_frames));
- memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained));
memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif));
memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd));
@@ -1072,7 +1076,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
mvm->vif_count = 0;
mvm->rx_ba_sessions = 0;
- mvm->fw_dbg_conf = FW_DBG_INVALID;
+ mvm->fwrt.dump.conf = FW_DBG_INVALID;
/* keep statistics ticking */
iwl_mvm_accu_radio_stats(mvm);
@@ -1255,16 +1259,16 @@ static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
* Lock and clear the firmware running bit here already, so that
* new commands coming in elsewhere, e.g. from debugfs, will not
* be able to proceed. This is important here because one of those
- * debugfs files causes the fw_dump_wk to be triggered, and if we
+ * debugfs files causes the firmware dump to be triggered, and if we
* don't stop debugfs accesses before canceling that it could be
* retriggered after we flush it but before we've cleared the bit.
*/
clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
- cancel_delayed_work_sync(&mvm->fw_dump_wk);
+ iwl_fw_cancel_dump(&mvm->fwrt);
cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork);
cancel_delayed_work_sync(&mvm->scan_timeout_dwork);
- iwl_mvm_free_fw_dump_desc(mvm);
+ iwl_fw_free_dump_desc(&mvm->fwrt);
mutex_lock(&mvm->mutex);
__iwl_mvm_mac_stop(mvm);
@@ -1370,17 +1374,15 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
goto out_release;
}
- if (iwl_mvm_is_dqa_supported(mvm)) {
- /*
- * Only queue for this station is the mcast queue,
- * which shouldn't be in TFD mask anyway
- */
- ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta,
- 0, vif->type,
- IWL_STA_MULTICAST);
- if (ret)
- goto out_release;
- }
+ /*
+ * Only queue for this station is the mcast queue,
+ * which shouldn't be in TFD mask anyway
+ */
+ ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->mcast_sta,
+ 0, vif->type,
+ IWL_STA_MULTICAST);
+ if (ret)
+ goto out_release;
iwl_mvm_vif_dbgfs_register(mvm, vif);
goto out_unlock;
@@ -1426,7 +1428,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
if (ret)
goto out_unref_phy;
- ret = iwl_mvm_add_bcast_sta(mvm, vif);
+ ret = iwl_mvm_add_p2p_bcast_sta(mvm, vif);
if (ret)
goto out_unbind;
@@ -1454,8 +1456,6 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
out_release:
if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
mvm->vif_count--;
-
- iwl_mvm_mac_ctxt_release(mvm, vif);
out_unlock:
mutex_unlock(&mvm->mutex);
@@ -1467,40 +1467,6 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
- u32 tfd_msk = iwl_mvm_mac_get_queues_mask(vif);
-
- if (tfd_msk && !iwl_mvm_is_dqa_supported(mvm)) {
- /*
- * mac80211 first removes all the stations of the vif and
- * then removes the vif. When it removes a station it also
- * flushes the AMPDU session. So by now, all the AMPDU sessions
- * of all the stations of this vif are closed, and the queues
- * of these AMPDU sessions are properly closed.
- * We still need to take care of the shared queues of the vif.
- * Flush them here.
- * For DQA mode there is no need - broacast and multicast queue
- * are flushed separately.
- */
- mutex_lock(&mvm->mutex);
- iwl_mvm_flush_tx_path(mvm, tfd_msk, 0);
- mutex_unlock(&mvm->mutex);
-
- /*
- * There are transports that buffer a few frames in the host.
- * For these, the flush above isn't enough since while we were
- * flushing, the transport might have sent more frames to the
- * device. To solve this, wait here until the transport is
- * empty. Technically, this could have replaced the flush
- * above, but flush is much faster than draining. So flush
- * first, and drain to make sure we have no frames in the
- * transport anymore.
- * If a station still had frames on the shared queues, it is
- * already marked as draining, so to complete the draining, we
- * just need to wait until the transport is empty.
- */
- iwl_trans_wait_tx_queues_empty(mvm->trans, tfd_msk);
- }
-
if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
/*
* Flush the ROC worker which will flush the OFFCHANNEL queue.
@@ -1508,14 +1474,6 @@ static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
* queue are sent in ROC session.
*/
flush_work(&mvm->roc_done_wk);
- } else {
- /*
- * By now, all the AC queues are empty. The AGG queues are
- * empty too. We already got all the Tx responses for all the
- * packets in the queues. The drain work can have been
- * triggered. Flush it.
- */
- flush_work(&mvm->sta_drained_wk);
}
}
@@ -1556,7 +1514,7 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
mvm->p2p_device_vif = NULL;
- iwl_mvm_rm_bcast_sta(mvm, vif);
+ iwl_mvm_rm_p2p_bcast_sta(mvm, vif);
iwl_mvm_binding_remove_vif(mvm, vif);
iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
mvmvif->phy_ctxt = NULL;
@@ -1569,7 +1527,6 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
iwl_mvm_mac_ctxt_remove(mvm, vif);
out_release:
- iwl_mvm_mac_ctxt_release(mvm, vif);
mutex_unlock(&mvm->mutex);
}
@@ -2067,8 +2024,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
* We received a beacon from the associated AP so
* remove the session protection.
*/
- iwl_mvm_remove_time_event(mvm, mvmvif,
- &mvmvif->time_event_data);
+ iwl_mvm_stop_session_protection(mvm, vif);
iwl_mvm_sf_update(mvm, vif, false);
WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
@@ -2405,15 +2361,18 @@ static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
unsigned long txqs = 0, tids = 0;
int tid;
+ /*
+ * If we have TVQM then we get too high queue numbers - luckily
+ * we really shouldn't get here with that because such hardware
+ * should have firmware supporting buffer station offload.
+ */
+ if (WARN_ON(iwl_mvm_has_new_tx_api(mvm)))
+ return;
+
spin_lock_bh(&mvmsta->lock);
for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) {
struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
- if (!iwl_mvm_is_dqa_supported(mvm) &&
- tid_data->state != IWL_AGG_ON &&
- tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA)
- continue;
-
if (tid_data->txq_id == IWL_MVM_INVALID_QUEUE)
continue;
@@ -2427,9 +2386,6 @@ static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
switch (cmd) {
case STA_NOTIFY_SLEEP:
- if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0)
- ieee80211_sta_block_awake(hw, sta, true);
-
for_each_set_bit(tid, &tids, IWL_MAX_TID_COUNT)
ieee80211_sta_set_buffered(sta, tid, true);
@@ -2572,7 +2528,8 @@ iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS);
tdls_trig = (void *)trig->data;
- if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
+ if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
+ ieee80211_vif_to_wdev(vif), trig))
return;
if (!(tdls_trig->action_bitmap & BIT(action)))
@@ -2582,9 +2539,9 @@ iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
memcmp(tdls_trig->peer, peer_addr, ETH_ALEN) != 0)
return;
- iwl_mvm_fw_dbg_collect_trig(mvm, trig,
- "TDLS event occurred, peer %pM, action %d",
- peer_addr, action);
+ iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
+ "TDLS event occurred, peer %pM, action %d",
+ peer_addr, action);
}
static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm *mvm,
@@ -2597,8 +2554,18 @@ static void iwl_mvm_purge_deferred_tx_frames(struct iwl_mvm *mvm,
spin_lock_bh(&mvm_sta->lock);
for (i = 0; i <= IWL_MAX_TID_COUNT; i++) {
tid_data = &mvm_sta->tid_data[i];
- while ((skb = __skb_dequeue(&tid_data->deferred_tx_frames)))
+
+ while ((skb = __skb_dequeue(&tid_data->deferred_tx_frames))) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ /*
+ * The first deferred frame should've stopped the MAC
+ * queues, so we should never get a second deferred
+ * frame for the RA/TID.
+ */
+ iwl_mvm_start_mac_queues(mvm, info->hw_queue);
ieee80211_free_txskb(mvm->hw, skb);
+ }
}
spin_unlock_bh(&mvm_sta->lock);
}
@@ -2621,9 +2588,6 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
if (WARN_ON_ONCE(!mvmvif->phy_ctxt))
return -EINVAL;
- /* if a STA is being removed, reuse its ID */
- flush_work(&mvm->sta_drained_wk);
-
/*
* If we are in a STA removal flow and in DQA mode:
*
@@ -2638,8 +2602,7 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
* make sure the worker is no longer handling frames for this STA.
*/
if (old_state == IEEE80211_STA_NONE &&
- new_state == IEEE80211_STA_NOTEXIST &&
- iwl_mvm_is_dqa_supported(mvm)) {
+ new_state == IEEE80211_STA_NOTEXIST) {
iwl_mvm_purge_deferred_tx_frames(mvm, mvm_sta);
flush_work(&mvm->add_stream_wk);
@@ -3882,7 +3845,9 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
chsw->chandef.center_freq1);
- iwl_fw_dbg_trigger_simple_stop(mvm, vif, FW_DBG_TRIGGER_CHANNEL_SWITCH);
+ iwl_fw_dbg_trigger_simple_stop(&mvm->fwrt,
+ ieee80211_vif_to_wdev(vif),
+ FW_DBG_TRIGGER_CHANNEL_SWITCH);
switch (vif->type) {
case NL80211_IFTYPE_AP:
@@ -3921,11 +3886,16 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
/* Schedule the time event to a bit before beacon 1,
* to make sure we're in the new channel when the
- * GO/AP arrives.
+ * GO/AP arrives. In case count <= 1 immediately schedule the
+ * TE (this might result with some packet loss or connection
+ * loss).
*/
- apply_time = chsw->device_timestamp +
- ((vif->bss_conf.beacon_int * (chsw->count - 1) -
- IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
+ if (chsw->count <= 1)
+ apply_time = 0;
+ else
+ apply_time = chsw->device_timestamp +
+ ((vif->bss_conf.beacon_int * (chsw->count - 1) -
+ IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT) * 1024);
if (chsw->block_tx)
iwl_mvm_csa_client_absent(mvm, vif);
@@ -4019,8 +3989,7 @@ static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
return;
/* Make sure we're done with the deferred traffic before flushing */
- if (iwl_mvm_is_dqa_supported(mvm))
- flush_work(&mvm->add_stream_wk);
+ flush_work(&mvm->add_stream_wk);
mutex_lock(&mvm->mutex);
mvmvif = iwl_mvm_vif_from_mac80211(vif);
@@ -4157,11 +4126,11 @@ static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
const struct ieee80211_event *event)
{
-#define CHECK_MLME_TRIGGER(_cnt, _fmt...) \
- do { \
- if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \
- break; \
- iwl_mvm_fw_dbg_collect_trig(mvm, trig, _fmt); \
+#define CHECK_MLME_TRIGGER(_cnt, _fmt...) \
+ do { \
+ if ((trig_mlme->_cnt) && --(trig_mlme->_cnt)) \
+ break; \
+ iwl_fw_dbg_collect_trig(&(mvm)->fwrt, trig, _fmt); \
} while (0)
struct iwl_fw_dbg_trigger_tlv *trig;
@@ -4172,7 +4141,8 @@ static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
trig_mlme = (void *)trig->data;
- if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
+ if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
+ ieee80211_vif_to_wdev(vif), trig))
return;
if (event->u.mlme.data == ASSOC_EVENT) {
@@ -4213,16 +4183,17 @@ static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
- if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
+ if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
+ ieee80211_vif_to_wdev(vif), trig))
return;
if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
return;
- iwl_mvm_fw_dbg_collect_trig(mvm, trig,
- "BAR received from %pM, tid %d, ssn %d",
- event->u.ba.sta->addr, event->u.ba.tid,
- event->u.ba.ssn);
+ iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
+ "BAR received from %pM, tid %d, ssn %d",
+ event->u.ba.sta->addr, event->u.ba.tid,
+ event->u.ba.ssn);
}
static void
@@ -4238,15 +4209,16 @@ iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
- if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
+ if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
+ ieee80211_vif_to_wdev(vif), trig))
return;
if (!(le16_to_cpu(ba_trig->frame_timeout) & BIT(event->u.ba.tid)))
return;
- iwl_mvm_fw_dbg_collect_trig(mvm, trig,
- "Frame from %pM timed out, tid %d",
- event->u.ba.sta->addr, event->u.ba.tid);
+ iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
+ "Frame from %pM timed out, tid %d",
+ event->u.ba.sta->addr, event->u.ba.tid);
}
static void iwl_mvm_mac_event_callback(struct ieee80211_hw *hw,
@@ -4280,7 +4252,8 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
lockdep_assert_held(&mvm->mutex);
/* TODO - remove a000 disablement when we have RXQ config API */
- if (!iwl_mvm_has_new_rx_api(mvm) || iwl_mvm_has_new_tx_api(mvm))
+ if (!iwl_mvm_has_new_rx_api(mvm) ||
+ mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_A000)
return;
notif->cookie = mvm->queue_sync_cookie;