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iwlagn: use iwl_sta_id() for aggregation

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With the station ID being stored in the
station struct, which mac80211 gives us
for aggregation callbacks, we can also
remove the use of iwl_find_station() in
those code paths.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
This commit is contained in:
Johannes Berg 2010-04-30 11:30:46 -07:00 committed by Reinette Chatre
parent 2a87c26bbe
commit 619753ff57
5 changed files with 25 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
View File

@ -962,7 +962,7 @@ static int iwlagn_txq_ctx_activate_free(struct iwl_priv *priv)
}
int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
const u8 *ra, u16 tid, u16 *ssn)
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
{
int sta_id;
int tx_fifo;
@ -976,9 +976,9 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
return tx_fifo;
IWL_WARN(priv, "%s on ra = %pM tid = %d\n",
__func__, ra, tid);
__func__, sta->addr, tid);
sta_id = iwl_find_station(priv, ra);
sta_id = iwl_sta_id(sta);
if (sta_id == IWL_INVALID_STATION) {
IWL_ERR(priv, "Start AGG on invalid station\n");
return -ENXIO;
@ -1012,7 +1012,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
if (tid_data->tfds_in_queue == 0) {
IWL_DEBUG_HT(priv, "HW queue is empty\n");
tid_data->agg.state = IWL_AGG_ON;
ieee80211_start_tx_ba_cb_irqsafe(vif, ra, tid);
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
} else {
IWL_DEBUG_HT(priv, "HW queue is NOT empty: %d packets in HW queue\n",
tid_data->tfds_in_queue);
@ -1022,23 +1022,18 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
}
int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
const u8 *ra, u16 tid)
struct ieee80211_sta *sta, u16 tid)
{
int tx_fifo_id, txq_id, sta_id, ssn = -1;
struct iwl_tid_data *tid_data;
int write_ptr, read_ptr;
unsigned long flags;
if (!ra) {
IWL_ERR(priv, "ra = NULL\n");
return -EINVAL;
}
tx_fifo_id = get_fifo_from_tid(tid);
if (unlikely(tx_fifo_id < 0))
return tx_fifo_id;
sta_id = iwl_find_station(priv, ra);
sta_id = iwl_sta_id(sta);
if (sta_id == IWL_INVALID_STATION) {
IWL_ERR(priv, "Invalid station for AGG tid %d\n", tid);
@ -1048,7 +1043,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
if (priv->stations[sta_id].tid[tid].agg.state ==
IWL_EMPTYING_HW_QUEUE_ADDBA) {
IWL_DEBUG_HT(priv, "AGG stop before setup done\n");
ieee80211_stop_tx_ba_cb_irqsafe(vif, ra, tid);
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
return 0;
}
@ -1085,7 +1080,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
tx_fifo_id);
spin_unlock_irqrestore(&priv->lock, flags);
ieee80211_stop_tx_ba_cb_irqsafe(vif, ra, tid);
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
return 0;
}

8
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -3154,17 +3154,17 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
switch (action) {
case IEEE80211_AMPDU_RX_START:
IWL_DEBUG_HT(priv, "start Rx\n");
return iwl_sta_rx_agg_start(priv, sta->addr, tid, *ssn);
return iwl_sta_rx_agg_start(priv, sta, tid, *ssn);
case IEEE80211_AMPDU_RX_STOP:
IWL_DEBUG_HT(priv, "stop Rx\n");
ret = iwl_sta_rx_agg_stop(priv, sta->addr, tid);
ret = iwl_sta_rx_agg_stop(priv, sta, tid);
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return 0;
else
return ret;
case IEEE80211_AMPDU_TX_START:
IWL_DEBUG_HT(priv, "start Tx\n");
ret = iwlagn_tx_agg_start(priv, vif, sta->addr, tid, ssn);
ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
if (ret == 0) {
priv->_agn.agg_tids_count++;
IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n",
@ -3173,7 +3173,7 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
return ret;
case IEEE80211_AMPDU_TX_STOP:
IWL_DEBUG_HT(priv, "stop Tx\n");
ret = iwlagn_tx_agg_stop(priv, vif, sta->addr, tid);
ret = iwlagn_tx_agg_stop(priv, vif, sta, tid);
if ((ret == 0) && (priv->_agn.agg_tids_count > 0)) {
priv->_agn.agg_tids_count--;
IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n",

4
drivers/net/wireless/iwlwifi/iwl-agn.h
View File

@ -136,9 +136,9 @@ void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
struct ieee80211_tx_info *info);
int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
const u8 *ra, u16 tid, u16 *ssn);
struct ieee80211_sta *sta, u16 tid, u16 *ssn);
int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
const u8 *ra, u16 tid);
struct ieee80211_sta *sta, u16 tid);
int iwlagn_txq_check_empty(struct iwl_priv *priv,
int sta_id, u8 tid, int txq_id);
void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,

13
drivers/net/wireless/iwlwifi/iwl-sta.c
View File

@ -1324,13 +1324,13 @@ void iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid)
}
EXPORT_SYMBOL(iwl_sta_tx_modify_enable_tid);
int iwl_sta_rx_agg_start(struct iwl_priv *priv,
const u8 *addr, int tid, u16 ssn)
int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
int tid, u16 ssn)
{
unsigned long flags;
int sta_id;
sta_id = iwl_find_station(priv, addr);
sta_id = iwl_sta_id(sta);
if (sta_id == IWL_INVALID_STATION)
return -ENXIO;
@ -1343,16 +1343,17 @@ int iwl_sta_rx_agg_start(struct iwl_priv *priv,
spin_unlock_irqrestore(&priv->sta_lock, flags);
return iwl_send_add_sta(priv, &priv->stations[sta_id].sta,
CMD_ASYNC);
CMD_ASYNC);
}
EXPORT_SYMBOL(iwl_sta_rx_agg_start);
int iwl_sta_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid)
int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
int tid)
{
unsigned long flags;
int sta_id;
sta_id = iwl_find_station(priv, addr);
sta_id = iwl_sta_id(sta);
if (sta_id == IWL_INVALID_STATION) {
IWL_ERR(priv, "Invalid station for AGG tid %d\n", tid);
return -ENXIO;

7
drivers/net/wireless/iwlwifi/iwl-sta.h
View File

@ -80,9 +80,10 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
int iwl_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta);
void iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
int iwl_sta_rx_agg_start(struct iwl_priv *priv,
const u8 *addr, int tid, u16 ssn);
int iwl_sta_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid);
int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
int tid, u16 ssn);
int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
int tid);
void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id);
void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);