diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/sta.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/sta.c | 105 |
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(); |
