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path: root/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/sta.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/sta.c107
1 files changed, 50 insertions, 57 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 0d7929799942..d31d84eebc5d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -1679,7 +1679,8 @@ int iwl_mvm_allocate_int_sta(struct iwl_mvm *mvm,
u32 qmask, enum nl80211_iftype iftype,
enum iwl_sta_type type)
{
- if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
+ if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) ||
+ sta->sta_id == IWL_MVM_INVALID_STA) {
sta->sta_id = iwl_mvm_find_free_sta_id(mvm, iftype);
if (WARN_ON_ONCE(sta->sta_id == IWL_MVM_INVALID_STA))
return -ENOSPC;
@@ -2023,7 +2024,7 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
struct iwl_trans_txq_scd_cfg cfg = {
.fifo = IWL_MVM_TX_FIFO_MCAST,
.sta_id = msta->sta_id,
- .tid = IWL_MAX_TID_COUNT,
+ .tid = 0,
.aggregate = false,
.frame_limit = IWL_FRAME_LIMIT,
};
@@ -2037,6 +2038,17 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
return -ENOTSUPP;
/*
+ * In IBSS, ieee80211_check_queues() sets the cab_queue to be
+ * invalid, so make sure we use the queue we want.
+ * Note that this is done here as we want to avoid making DQA
+ * changes in mac80211 layer.
+ */
+ if (vif->type == NL80211_IFTYPE_ADHOC) {
+ vif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE;
+ mvmvif->cab_queue = vif->cab_queue;
+ }
+
+ /*
* While in previous FWs we had to exclude cab queue from TFD queue
* mask, now it is needed as any other queue.
*/
@@ -2063,24 +2075,13 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
if (iwl_mvm_has_new_tx_api(mvm)) {
int queue = iwl_mvm_tvqm_enable_txq(mvm, vif->cab_queue,
msta->sta_id,
- IWL_MAX_TID_COUNT,
+ 0,
timeout);
mvmvif->cab_queue = queue;
} else if (!fw_has_api(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_API_STA_TYPE)) {
- /*
- * In IBSS, ieee80211_check_queues() sets the cab_queue to be
- * invalid, so make sure we use the queue we want.
- * Note that this is done here as we want to avoid making DQA
- * changes in mac80211 layer.
- */
- if (vif->type == NL80211_IFTYPE_ADHOC) {
- vif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE;
- mvmvif->cab_queue = vif->cab_queue;
- }
+ IWL_UCODE_TLV_API_STA_TYPE))
iwl_mvm_enable_txq(mvm, vif->cab_queue, vif->cab_queue, 0,
&cfg, timeout);
- }
return 0;
}
@@ -2099,7 +2100,7 @@ int iwl_mvm_rm_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
iwl_mvm_flush_sta(mvm, &mvmvif->mcast_sta, true, 0);
iwl_mvm_disable_txq(mvm, mvmvif->cab_queue, vif->cab_queue,
- IWL_MAX_TID_COUNT, 0);
+ 0, 0);
ret = iwl_mvm_rm_sta_common(mvm, mvmvif->mcast_sta.sta_id);
if (ret)
@@ -2435,28 +2436,12 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
/*
* Note the possible cases:
- * 1. In DQA mode with an enabled TXQ - TXQ needs to become agg'ed
- * 2. Non-DQA mode: the TXQ hasn't yet been enabled, so find a free
- * one and mark it as reserved
- * 3. In DQA mode, but no traffic yet on this TID: same treatment as in
- * non-DQA mode, since the TXQ hasn't yet been allocated
- * Don't support case 3 for new TX path as it is not expected to happen
- * and aggregation will be offloaded soon anyway
+ * 1. An enabled TXQ - TXQ needs to become agg'ed
+ * 2. The TXQ hasn't yet been enabled, so find a free one and mark
+ * it as reserved
*/
txq_id = mvmsta->tid_data[tid].txq_id;
- if (iwl_mvm_has_new_tx_api(mvm)) {
- if (txq_id == IWL_MVM_INVALID_QUEUE) {
- ret = -ENXIO;
- goto release_locks;
- }
- } else if (unlikely(mvm->queue_info[txq_id].status ==
- IWL_MVM_QUEUE_SHARED)) {
- ret = -ENXIO;
- IWL_DEBUG_TX_QUEUES(mvm,
- "Can't start tid %d agg on shared queue!\n",
- tid);
- goto release_locks;
- } else if (mvm->queue_info[txq_id].status != IWL_MVM_QUEUE_READY) {
+ if (txq_id == IWL_MVM_INVALID_QUEUE) {
txq_id = iwl_mvm_find_free_queue(mvm, mvmsta->sta_id,
IWL_MVM_DQA_MIN_DATA_QUEUE,
IWL_MVM_DQA_MAX_DATA_QUEUE);
@@ -2465,16 +2450,16 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
IWL_ERR(mvm, "Failed to allocate agg queue\n");
goto release_locks;
}
- /*
- * TXQ shouldn't be in inactive mode for non-DQA, so getting
- * an inactive queue from iwl_mvm_find_free_queue() is
- * certainly a bug
- */
- WARN_ON(mvm->queue_info[txq_id].status ==
- IWL_MVM_QUEUE_INACTIVE);
/* TXQ hasn't yet been enabled, so mark it only as reserved */
mvm->queue_info[txq_id].status = IWL_MVM_QUEUE_RESERVED;
+ } else if (unlikely(mvm->queue_info[txq_id].status ==
+ IWL_MVM_QUEUE_SHARED)) {
+ ret = -ENXIO;
+ IWL_DEBUG_TX_QUEUES(mvm,
+ "Can't start tid %d agg on shared queue!\n",
+ tid);
+ goto release_locks;
}
spin_unlock(&mvm->queue_info_lock);
@@ -2645,8 +2630,10 @@ out:
static void iwl_mvm_unreserve_agg_queue(struct iwl_mvm *mvm,
struct iwl_mvm_sta *mvmsta,
- u16 txq_id)
+ struct iwl_mvm_tid_data *tid_data)
{
+ u16 txq_id = tid_data->txq_id;
+
if (iwl_mvm_has_new_tx_api(mvm))
return;
@@ -2658,8 +2645,10 @@ static void iwl_mvm_unreserve_agg_queue(struct iwl_mvm *mvm,
* allocated through iwl_mvm_enable_txq, so we can just mark it back as
* free.
*/
- if (mvm->queue_info[txq_id].status == IWL_MVM_QUEUE_RESERVED)
+ if (mvm->queue_info[txq_id].status == IWL_MVM_QUEUE_RESERVED) {
mvm->queue_info[txq_id].status = IWL_MVM_QUEUE_FREE;
+ tid_data->txq_id = IWL_MVM_INVALID_QUEUE;
+ }
spin_unlock_bh(&mvm->queue_info_lock);
}
@@ -2690,7 +2679,7 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
mvmsta->agg_tids &= ~BIT(tid);
- iwl_mvm_unreserve_agg_queue(mvm, mvmsta, txq_id);
+ iwl_mvm_unreserve_agg_queue(mvm, mvmsta, tid_data);
switch (tid_data->state) {
case IWL_AGG_ON:
@@ -2757,7 +2746,7 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
mvmsta->agg_tids &= ~BIT(tid);
spin_unlock_bh(&mvmsta->lock);
- iwl_mvm_unreserve_agg_queue(mvm, mvmsta, txq_id);
+ iwl_mvm_unreserve_agg_queue(mvm, mvmsta, tid_data);
if (old_state >= IWL_AGG_ON) {
iwl_mvm_drain_sta(mvm, mvmsta, true);
@@ -3119,8 +3108,9 @@ static int __iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, u8 sta_id,
int ret, size;
u32 status;
+ /* This is a valid situation for GTK removal */
if (sta_id == IWL_MVM_INVALID_STA)
- return -EINVAL;
+ return 0;
key_flags = cpu_to_le16((keyconf->keyidx << STA_KEY_FLG_KEYID_POS) &
STA_KEY_FLG_KEYID_MSK);
@@ -3181,17 +3171,9 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm,
}
sta_id = mvm_sta->sta_id;
- if (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
- keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
- keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) {
- ret = iwl_mvm_send_sta_igtk(mvm, keyconf, sta_id,
- false);
- goto end;
- }
-
/*
* It is possible that the 'sta' parameter is NULL, and thus
- * there is a need to retrieve the sta from the local station
+ * there is a need to retrieve the sta from the local station
* table.
*/
if (!sta) {
@@ -3206,6 +3188,17 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm,
if (WARN_ON_ONCE(iwl_mvm_sta_from_mac80211(sta)->vif != vif))
return -EINVAL;
+ } else {
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+ sta_id = mvmvif->mcast_sta.sta_id;
+ }
+
+ if (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
+ keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
+ keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) {
+ ret = iwl_mvm_send_sta_igtk(mvm, keyconf, sta_id, false);
+ goto end;
}
/* If the key_offset is not pre-assigned, we need to find a