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path: root/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c106
1 files changed, 75 insertions, 31 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
index 0c5c0b0e23f5..f6d86ccce6a8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
@@ -83,11 +83,15 @@ struct iwl_mvm_mac_iface_iterator_data {
struct ieee80211_vif *vif;
unsigned long available_mac_ids[BITS_TO_LONGS(NUM_MAC_INDEX_DRIVER)];
unsigned long available_tsf_ids[BITS_TO_LONGS(NUM_TSF_IDS)];
- u32 used_hw_queues;
enum iwl_tsf_id preferred_tsf;
bool found_vif;
};
+struct iwl_mvm_hw_queues_iface_iterator_data {
+ struct ieee80211_vif *exclude_vif;
+ unsigned long used_hw_queues;
+};
+
static void iwl_mvm_mac_tsf_id_iter(void *_data, u8 *mac,
struct ieee80211_vif *vif)
{
@@ -197,8 +201,7 @@ static void iwl_mvm_mac_tsf_id_iter(void *_data, u8 *mac,
/*
* Get the mask of the queues used by the vif
*/
-u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
- struct ieee80211_vif *vif)
+u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif)
{
u32 qmask = 0, ac;
@@ -214,6 +217,54 @@ u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
return qmask;
}
+static void iwl_mvm_iface_hw_queues_iter(void *_data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct iwl_mvm_hw_queues_iface_iterator_data *data = _data;
+
+ /* exclude the given vif */
+ if (vif == data->exclude_vif)
+ return;
+
+ data->used_hw_queues |= iwl_mvm_mac_get_queues_mask(vif);
+}
+
+static void iwl_mvm_mac_sta_hw_queues_iter(void *_data,
+ struct ieee80211_sta *sta)
+{
+ struct iwl_mvm_hw_queues_iface_iterator_data *data = _data;
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
+
+ /* Mark the queues used by the sta */
+ data->used_hw_queues |= mvmsta->tfd_queue_msk;
+}
+
+unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
+ struct ieee80211_vif *exclude_vif)
+{
+ struct iwl_mvm_hw_queues_iface_iterator_data data = {
+ .exclude_vif = exclude_vif,
+ .used_hw_queues =
+ BIT(IWL_MVM_OFFCHANNEL_QUEUE) |
+ BIT(mvm->aux_queue) |
+ BIT(IWL_MVM_CMD_QUEUE),
+ };
+
+ lockdep_assert_held(&mvm->mutex);
+
+ /* mark all VIF used hw queues */
+ ieee80211_iterate_active_interfaces_atomic(
+ mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
+ iwl_mvm_iface_hw_queues_iter, &data);
+
+ /* don't assign the same hw queues as TDLS stations */
+ ieee80211_iterate_stations_atomic(mvm->hw,
+ iwl_mvm_mac_sta_hw_queues_iter,
+ &data);
+
+ return data.used_hw_queues;
+}
+
static void iwl_mvm_mac_iface_iterator(void *_data, u8 *mac,
struct ieee80211_vif *vif)
{
@@ -226,9 +277,6 @@ static void iwl_mvm_mac_iface_iterator(void *_data, u8 *mac,
return;
}
- /* Mark the queues used by the vif */
- data->used_hw_queues |= iwl_mvm_mac_get_queues_mask(data->mvm, vif);
-
/* Mark MAC IDs as used by clearing the available bit, and
* (below) mark TSFs as used if their existing use is not
* compatible with the new interface type.
@@ -275,10 +323,6 @@ static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm,
.available_tsf_ids = { (1 << NUM_TSF_IDS) - 1 },
/* no preference yet */
.preferred_tsf = NUM_TSF_IDS,
- .used_hw_queues =
- BIT(IWL_MVM_OFFCHANNEL_QUEUE) |
- BIT(mvm->aux_queue) |
- BIT(IWL_MVM_CMD_QUEUE),
.found_vif = false,
};
u32 ac;
@@ -317,6 +361,8 @@ static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm,
mvm->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
iwl_mvm_mac_iface_iterator, &data);
+ used_hw_queues = iwl_mvm_get_used_hw_queues(mvm, vif);
+
/*
* In the case we're getting here during resume, it's similar to
* firmware restart, and with RESUME_ALL the iterator will find
@@ -366,8 +412,6 @@ static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm,
return 0;
}
- used_hw_queues = data.used_hw_queues;
-
/* Find available queues, and allocate them to the ACs */
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
u8 queue = find_first_zero_bit(&used_hw_queues,
@@ -1219,17 +1263,25 @@ int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
}
static void iwl_mvm_csa_count_down(struct iwl_mvm *mvm,
- struct ieee80211_vif *csa_vif, u32 gp2)
+ struct ieee80211_vif *csa_vif, u32 gp2,
+ bool tx_success)
{
struct iwl_mvm_vif *mvmvif =
iwl_mvm_vif_from_mac80211(csa_vif);
+ /* Don't start to countdown from a failed beacon */
+ if (!tx_success && !mvmvif->csa_countdown)
+ return;
+
+ mvmvif->csa_countdown = true;
+
if (!ieee80211_csa_is_complete(csa_vif)) {
int c = ieee80211_csa_update_counter(csa_vif);
iwl_mvm_mac_ctxt_beacon_changed(mvm, csa_vif);
if (csa_vif->p2p &&
- !iwl_mvm_te_scheduled(&mvmvif->time_event_data) && gp2) {
+ !iwl_mvm_te_scheduled(&mvmvif->time_event_data) && gp2 &&
+ tx_success) {
u32 rel_time = (c + 1) *
csa_vif->bss_conf.beacon_int -
IWL_MVM_CHANNEL_SWITCH_TIME_GO;
@@ -1252,38 +1304,30 @@ int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ struct iwl_extended_beacon_notif *beacon = (void *)pkt->data;
struct iwl_mvm_tx_resp *beacon_notify_hdr;
struct ieee80211_vif *csa_vif;
struct ieee80211_vif *tx_blocked_vif;
- u64 tsf;
+ u16 status;
lockdep_assert_held(&mvm->mutex);
- if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_CAPA_EXTENDED_BEACON) {
- struct iwl_extended_beacon_notif *beacon = (void *)pkt->data;
-
- beacon_notify_hdr = &beacon->beacon_notify_hdr;
- tsf = le64_to_cpu(beacon->tsf);
- mvm->ap_last_beacon_gp2 = le32_to_cpu(beacon->gp2);
- } else {
- struct iwl_beacon_notif *beacon = (void *)pkt->data;
-
- beacon_notify_hdr = &beacon->beacon_notify_hdr;
- tsf = le64_to_cpu(beacon->tsf);
- }
+ beacon_notify_hdr = &beacon->beacon_notify_hdr;
+ mvm->ap_last_beacon_gp2 = le32_to_cpu(beacon->gp2);
+ status = le16_to_cpu(beacon_notify_hdr->status.status) & TX_STATUS_MSK;
IWL_DEBUG_RX(mvm,
"beacon status %#x retries:%d tsf:0x%16llX gp2:0x%X rate:%d\n",
- le16_to_cpu(beacon_notify_hdr->status.status) &
- TX_STATUS_MSK,
- beacon_notify_hdr->failure_frame, tsf,
+ status, beacon_notify_hdr->failure_frame,
+ le64_to_cpu(beacon->tsf),
mvm->ap_last_beacon_gp2,
le32_to_cpu(beacon_notify_hdr->initial_rate));
csa_vif = rcu_dereference_protected(mvm->csa_vif,
lockdep_is_held(&mvm->mutex));
if (unlikely(csa_vif && csa_vif->csa_active))
- iwl_mvm_csa_count_down(mvm, csa_vif, mvm->ap_last_beacon_gp2);
+ iwl_mvm_csa_count_down(mvm, csa_vif, mvm->ap_last_beacon_gp2,
+ (status == TX_STATUS_SUCCESS));
tx_blocked_vif = rcu_dereference_protected(mvm->csa_tx_blocked_vif,
lockdep_is_held(&mvm->mutex));