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path: root/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-tx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-tx.c61
1 files changed, 38 insertions, 23 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index ad21b5ddf59..f2e9f298a94 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -34,7 +34,6 @@
#include <linux/ieee80211.h>
#include "iwl-dev.h"
-#include "iwl-core.h"
#include "iwl-io.h"
#include "iwl-agn-hw.h"
#include "iwl-agn.h"
@@ -85,8 +84,8 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
else if (ieee80211_is_back_req(fc))
tx_flags |= TX_CMD_FLG_ACK_MSK | TX_CMD_FLG_IMM_BA_RSP_MASK;
else if (info->band == IEEE80211_BAND_2GHZ &&
- cfg(priv)->bt_params &&
- cfg(priv)->bt_params->advanced_bt_coexist &&
+ priv->cfg->bt_params &&
+ priv->cfg->bt_params->advanced_bt_coexist &&
(ieee80211_is_auth(fc) || ieee80211_is_assoc_req(fc) ||
ieee80211_is_reassoc_req(fc) ||
skb->protocol == cpu_to_be16(ETH_P_PAE)))
@@ -203,8 +202,8 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
rate_flags |= RATE_MCS_CCK_MSK;
/* Set up antennas */
- if (cfg(priv)->bt_params &&
- cfg(priv)->bt_params->advanced_bt_coexist &&
+ if (priv->cfg->bt_params &&
+ priv->cfg->bt_params->advanced_bt_coexist &&
priv->bt_full_concurrent) {
/* operated as 1x1 in full concurrency mode */
priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
@@ -396,12 +395,9 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
/* TODO need this for burst mode later on */
iwlagn_tx_cmd_build_basic(priv, skb, tx_cmd, info, hdr, sta_id);
- iwl_dbg_log_tx_data_frame(priv, len, hdr);
iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, fc);
- iwl_update_stats(priv, true, fc, len);
-
memset(&info->status, 0, sizeof(info->status));
info->driver_data[0] = ctx;
@@ -467,7 +463,11 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
else
txq_id = ctx->ac_to_queue[skb_get_queue_mapping(skb)];
- if (iwl_trans_tx(trans(priv), skb, dev_cmd, txq_id))
+ WARN_ON_ONCE(!is_agg && txq_id != info->hw_queue);
+ WARN_ON_ONCE(is_agg &&
+ priv->queue_to_mac80211[txq_id] != info->hw_queue);
+
+ if (iwl_trans_tx(priv->trans, skb, dev_cmd, txq_id))
goto drop_unlock_sta;
if (ieee80211_is_data_qos(fc) && !ieee80211_is_qos_nullfunc(fc) &&
@@ -496,14 +496,14 @@ drop_unlock_priv:
return -1;
}
-static int iwlagn_alloc_agg_txq(struct iwl_priv *priv, int ac)
+static int iwlagn_alloc_agg_txq(struct iwl_priv *priv, int mq)
{
int q;
for (q = IWLAGN_FIRST_AMPDU_QUEUE;
- q < cfg(priv)->base_params->num_of_queues; q++) {
+ q < priv->cfg->base_params->num_of_queues; q++) {
if (!test_and_set_bit(q, priv->agg_q_alloc)) {
- priv->queue_to_ac[q] = ac;
+ priv->queue_to_mac80211[q] = mq;
return q;
}
}
@@ -514,7 +514,7 @@ static int iwlagn_alloc_agg_txq(struct iwl_priv *priv, int ac)
static void iwlagn_dealloc_agg_txq(struct iwl_priv *priv, int q)
{
clear_bit(q, priv->agg_q_alloc);
- priv->queue_to_ac[q] = IWL_INVALID_AC;
+ priv->queue_to_mac80211[q] = IWL_INVALID_MAC80211_QUEUE;
}
int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
@@ -522,6 +522,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
{
struct iwl_tid_data *tid_data;
int sta_id, txq_id;
+ enum iwl_agg_state agg_state;
sta_id = iwl_sta_id(sta);
@@ -545,6 +546,13 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
*/
IWL_DEBUG_HT(priv, "AGG stop before setup done\n");
goto turn_off;
+ case IWL_AGG_STARTING:
+ /*
+ * This can happen when the session is stopped before
+ * we receive ADDBA response
+ */
+ IWL_DEBUG_HT(priv, "AGG stop before AGG became operational\n");
+ goto turn_off;
case IWL_AGG_ON:
break;
default:
@@ -576,12 +584,17 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d\n",
tid_data->agg.ssn);
turn_off:
+ agg_state = priv->tid_data[sta_id][tid].agg.state;
priv->tid_data[sta_id][tid].agg.state = IWL_AGG_OFF;
spin_unlock_bh(&priv->sta_lock);
if (test_bit(txq_id, priv->agg_q_alloc)) {
- iwl_trans_tx_agg_disable(trans(priv), txq_id);
+ /* If the transport didn't know that we wanted to start
+ * agreggation, don't tell it that we want to stop them
+ */
+ if (agg_state != IWL_AGG_STARTING)
+ iwl_trans_tx_agg_disable(priv->trans, txq_id);
iwlagn_dealloc_agg_txq(priv, txq_id);
}
@@ -593,6 +606,7 @@ turn_off:
int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
{
+ struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
struct iwl_tid_data *tid_data;
int sta_id, txq_id, ret;
@@ -612,7 +626,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
return -ENXIO;
}
- txq_id = iwlagn_alloc_agg_txq(priv, tid_to_ac[tid]);
+ txq_id = iwlagn_alloc_agg_txq(priv, ctx->ac_to_queue[tid_to_ac[tid]]);
if (txq_id < 0) {
IWL_DEBUG_TX_QUEUES(priv,
"No free aggregation queue for %pM/%d\n",
@@ -634,7 +648,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
if (*ssn == tid_data->next_reclaimed) {
IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d\n",
tid_data->agg.ssn);
- tid_data->agg.state = IWL_AGG_ON;
+ tid_data->agg.state = IWL_AGG_STARTING;
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
} else {
IWL_DEBUG_TX_QUEUES(priv, "Can't proceed: ssn %d, "
@@ -661,11 +675,12 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
spin_lock_bh(&priv->sta_lock);
ssn = priv->tid_data[sta_priv->sta_id][tid].agg.ssn;
q = priv->tid_data[sta_priv->sta_id][tid].agg.txq_id;
+ priv->tid_data[sta_priv->sta_id][tid].agg.state = IWL_AGG_ON;
spin_unlock_bh(&priv->sta_lock);
fifo = ctx->ac_to_fifo[tid_to_ac[tid]];
- iwl_trans_tx_agg_setup(trans(priv), q, fifo,
+ iwl_trans_tx_agg_setup(priv->trans, q, fifo,
sta_priv->sta_id, tid,
buf_size, ssn);
@@ -732,7 +747,7 @@ static void iwlagn_check_ratid_empty(struct iwl_priv *priv, int sta_id, u8 tid)
IWL_DEBUG_TX_QUEUES(priv,
"Can continue DELBA flow ssn = next_recl ="
" %d", tid_data->next_reclaimed);
- iwl_trans_tx_agg_disable(trans(priv),
+ iwl_trans_tx_agg_disable(priv->trans,
tid_data->agg.txq_id);
iwlagn_dealloc_agg_txq(priv, tid_data->agg.txq_id);
tid_data->agg.state = IWL_AGG_OFF;
@@ -745,7 +760,7 @@ static void iwlagn_check_ratid_empty(struct iwl_priv *priv, int sta_id, u8 tid)
IWL_DEBUG_TX_QUEUES(priv,
"Can continue ADDBA flow ssn = next_recl ="
" %d", tid_data->next_reclaimed);
- tid_data->agg.state = IWL_AGG_ON;
+ tid_data->agg.state = IWL_AGG_STARTING;
ieee80211_start_tx_ba_cb_irqsafe(vif, addr, tid);
}
break;
@@ -909,8 +924,8 @@ static void iwl_rx_reply_tx_agg(struct iwl_priv *priv,
* notification again.
*/
if (tx_resp->bt_kill_count && tx_resp->frame_count == 1 &&
- cfg(priv)->bt_params &&
- cfg(priv)->bt_params->advanced_bt_coexist) {
+ priv->cfg->bt_params &&
+ priv->cfg->bt_params->advanced_bt_coexist) {
IWL_DEBUG_COEX(priv, "receive reply tx w/ bt_kill\n");
}
@@ -1092,7 +1107,7 @@ static int iwl_reclaim(struct iwl_priv *priv, int sta_id, int tid,
return 1;
}
- iwl_trans_reclaim(trans(priv), txq_id, ssn, skbs);
+ iwl_trans_reclaim(priv->trans, txq_id, ssn, skbs);
return 0;
}
@@ -1249,7 +1264,7 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
* (in Tx queue's circular buffer) of first TFD/frame in window */
u16 ba_resp_scd_ssn = le16_to_cpu(ba_resp->scd_ssn);
- if (scd_flow >= cfg(priv)->base_params->num_of_queues) {
+ if (scd_flow >= priv->cfg->base_params->num_of_queues) {
IWL_ERR(priv,
"BUG_ON scd_flow is bigger than number of queues\n");
return 0;