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path: root/drivers/net/wireless/iwlwifi/mvm/sta.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/sta.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/sta.c105
1 files changed, 95 insertions, 10 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index 52aecf20d0df..0fd96e4da461 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -22,7 +22,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -101,8 +101,55 @@ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
}
add_sta_cmd.add_modify = update ? 1 : 0;
- /* STA_FLG_FAT_EN_MSK ? */
- /* STA_FLG_MIMO_EN_MSK ? */
+ add_sta_cmd.station_flags_msk |= cpu_to_le32(STA_FLG_FAT_EN_MSK |
+ STA_FLG_MIMO_EN_MSK);
+
+ switch (sta->bandwidth) {
+ case IEEE80211_STA_RX_BW_160:
+ add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_FAT_EN_160MHZ);
+ /* fall through */
+ case IEEE80211_STA_RX_BW_80:
+ add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_FAT_EN_80MHZ);
+ /* fall through */
+ case IEEE80211_STA_RX_BW_40:
+ add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_FAT_EN_40MHZ);
+ /* fall through */
+ case IEEE80211_STA_RX_BW_20:
+ if (sta->ht_cap.ht_supported)
+ add_sta_cmd.station_flags |=
+ cpu_to_le32(STA_FLG_FAT_EN_20MHZ);
+ break;
+ }
+
+ switch (sta->rx_nss) {
+ case 1:
+ add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_MIMO_EN_SISO);
+ break;
+ case 2:
+ add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_MIMO_EN_MIMO2);
+ break;
+ case 3 ... 8:
+ add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_MIMO_EN_MIMO3);
+ break;
+ }
+
+ switch (sta->smps_mode) {
+ case IEEE80211_SMPS_AUTOMATIC:
+ case IEEE80211_SMPS_NUM_MODES:
+ WARN_ON(1);
+ break;
+ case IEEE80211_SMPS_STATIC:
+ /* override NSS */
+ add_sta_cmd.station_flags &= ~cpu_to_le32(STA_FLG_MIMO_EN_MSK);
+ add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_MIMO_EN_SISO);
+ break;
+ case IEEE80211_SMPS_DYNAMIC:
+ add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_RTS_MIMO_PROT);
+ break;
+ case IEEE80211_SMPS_OFF:
+ /* nothing */
+ break;
+ }
if (sta->ht_cap.ht_supported) {
add_sta_cmd.station_flags_msk |=
@@ -340,6 +387,9 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm,
if (vif->type == NL80211_IFTYPE_STATION &&
mvmvif->ap_sta_id == mvm_sta->sta_id) {
+ /* flush its queues here since we are freeing mvm_sta */
+ ret = iwl_mvm_flush_tx_path(mvm, mvm_sta->tfd_queue_msk, true);
+
/*
* Put a non-NULL since the fw station isn't removed.
* It will be removed after the MAC will be set as
@@ -348,9 +398,6 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm,
rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
ERR_PTR(-EINVAL));
- /* flush its queues here since we are freeing mvm_sta */
- ret = iwl_mvm_flush_tx_path(mvm, mvm_sta->tfd_queue_msk, true);
-
/* if we are associated - we can't remove the AP STA now */
if (vif->bss_conf.assoc)
return ret;
@@ -770,6 +817,16 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
u16 txq_id;
int err;
+
+ /*
+ * If mac80211 is cleaning its state, then say that we finished since
+ * our state has been cleared anyway.
+ */
+ if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
+ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ return 0;
+ }
+
spin_lock_bh(&mvmsta->lock);
txq_id = tid_data->txq_id;
@@ -824,6 +881,34 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
return err;
}
+int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, u16 tid)
+{
+ struct iwl_mvm_sta *mvmsta = (void *)sta->drv_priv;
+ struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid];
+ u16 txq_id;
+
+ /*
+ * First set the agg state to OFF to avoid calling
+ * ieee80211_stop_tx_ba_cb in iwl_mvm_check_ratid_empty.
+ */
+ spin_lock_bh(&mvmsta->lock);
+ txq_id = tid_data->txq_id;
+ IWL_DEBUG_TX_QUEUES(mvm, "Flush AGG: sta %d tid %d q %d state %d\n",
+ mvmsta->sta_id, tid, txq_id, tid_data->state);
+ tid_data->state = IWL_AGG_OFF;
+ spin_unlock_bh(&mvmsta->lock);
+
+ if (iwl_mvm_flush_tx_path(mvm, BIT(txq_id), true))
+ IWL_ERR(mvm, "Couldn't flush the AGG queue\n");
+
+ iwl_trans_txq_disable(mvm->trans, tid_data->txq_id);
+ mvm->queue_to_mac80211[tid_data->txq_id] =
+ IWL_INVALID_MAC80211_QUEUE;
+
+ return 0;
+}
+
static int iwl_mvm_set_fw_key_idx(struct iwl_mvm *mvm)
{
int i;
@@ -860,7 +945,7 @@ static u8 iwl_mvm_get_key_sta_id(struct ieee80211_vif *vif,
mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT)
return mvmvif->ap_sta_id;
- return IWL_INVALID_STATION;
+ return IWL_MVM_STATION_COUNT;
}
static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm,
@@ -1008,7 +1093,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm,
/* Get the station id from the mvm local station table */
sta_id = iwl_mvm_get_key_sta_id(vif, sta);
- if (sta_id == IWL_INVALID_STATION) {
+ if (sta_id == IWL_MVM_STATION_COUNT) {
IWL_ERR(mvm, "Failed to find station id\n");
return -EINVAL;
}
@@ -1103,7 +1188,7 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm,
return -ENOENT;
}
- if (sta_id == IWL_INVALID_STATION) {
+ if (sta_id == IWL_MVM_STATION_COUNT) {
IWL_DEBUG_WEP(mvm, "station non-existent, early return.\n");
return 0;
}
@@ -1169,7 +1254,7 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
struct iwl_mvm_sta *mvm_sta;
u8 sta_id = iwl_mvm_get_key_sta_id(vif, sta);
- if (WARN_ON_ONCE(sta_id == IWL_INVALID_STATION))
+ if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT))
return;
rcu_read_lock();
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