Commit f39c95e8 authored by Emmanuel Grumbach's avatar Emmanuel Grumbach Committed by John W. Linville
Browse files

iwlagn: priv->sta_lock moves to iwl_shared



Since it is used by all the layers, it needs to move to iwl_shared.
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 9ca06f0a
......@@ -427,7 +427,7 @@ void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
sta_id = (tx_resp->ra_tid & IWLAGN_TX_RES_RA_MSK) >>
IWLAGN_TX_RES_RA_POS;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
hdr = (void *)txb->skb->data;
if (!ieee80211_is_data_qos(hdr->frame_control))
......@@ -482,7 +482,7 @@ void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
iwlagn_txq_check_empty(priv, sta_id, tid, txq_id);
iwl_check_abort_status(priv, tx_resp->frame_count, status);
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
}
int iwlagn_hw_valid_rtc_data_addr(u32 addr)
......@@ -1079,7 +1079,7 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv,
void iwl_free_tfds_in_queue(struct iwl_priv *priv,
int sta_id, int tid, int freed)
{
lockdep_assert_held(&priv->sta_lock);
lockdep_assert_held(&priv->shrd->sta_lock);
if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed)
priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
......
......@@ -116,9 +116,9 @@ int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx
if (sta_id_r)
*sta_id_r = sta_id;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].used |= IWL_STA_LOCAL;
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
/* Set up default rate scaling table in device's station table */
link_cmd = iwl_sta_alloc_lq(priv, ctx, sta_id);
......@@ -132,9 +132,9 @@ int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx
if (ret)
IWL_ERR(priv, "Link quality command failed (%d)\n", ret);
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].lq = link_cmd;
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return 0;
}
......@@ -311,9 +311,9 @@ static int iwlagn_send_sta_key(struct iwl_priv *priv,
struct iwl_addsta_cmd sta_cmd;
int i;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd));
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
key_flags = cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
key_flags |= STA_KEY_FLG_MAP_KEY_MSK;
......@@ -388,11 +388,11 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
if (sta_id == IWL_INVALID_STATION)
return -ENOENT;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd));
if (!(priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE))
sta_id = IWL_INVALID_STATION;
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
if (sta_id == IWL_INVALID_STATION)
return 0;
......@@ -493,18 +493,18 @@ int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
unsigned long flags;
u8 sta_id;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
sta_id = iwl_prep_station(priv, ctx, iwl_bcast_addr, false, NULL);
if (sta_id == IWL_INVALID_STATION) {
IWL_ERR(priv, "Unable to prepare broadcast station\n");
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return -EINVAL;
}
priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE;
priv->stations[sta_id].used |= IWL_STA_BCAST;
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
link_cmd = iwl_sta_alloc_lq(priv, ctx, sta_id);
if (!link_cmd) {
......@@ -513,9 +513,9 @@ int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
return -ENOMEM;
}
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].lq = link_cmd;
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return 0;
}
......@@ -539,13 +539,13 @@ int iwl_update_bcast_station(struct iwl_priv *priv,
return -ENOMEM;
}
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
if (priv->stations[sta_id].lq)
kfree(priv->stations[sta_id].lq);
else
IWL_DEBUG_INFO(priv, "Bcast station rate scaling has not been initialized yet.\n");
priv->stations[sta_id].lq = link_cmd;
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return 0;
}
......@@ -575,12 +575,12 @@ int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid)
lockdep_assert_held(&priv->shrd->mutex);
/* Remove "disable" flag, to enable Tx for this TID */
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_TID_DISABLE_TX;
priv->stations[sta_id].sta.tid_disable_tx &= cpu_to_le16(~(1 << tid));
priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd));
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
}
......@@ -598,14 +598,14 @@ int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
if (sta_id == IWL_INVALID_STATION)
return -ENXIO;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].sta.station_flags_msk = 0;
priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_ADDBA_TID_MSK;
priv->stations[sta_id].sta.add_immediate_ba_tid = (u8)tid;
priv->stations[sta_id].sta.add_immediate_ba_ssn = cpu_to_le16(ssn);
priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd));
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
}
......@@ -625,13 +625,13 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
return -ENXIO;
}
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].sta.station_flags_msk = 0;
priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK;
priv->stations[sta_id].sta.remove_immediate_ba_tid = (u8)tid;
priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd));
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
}
......@@ -640,14 +640,14 @@ static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
{
unsigned long flags;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK;
priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
priv->stations[sta_id].sta.sta.modify_mask = 0;
priv->stations[sta_id].sta.sleep_tx_count = 0;
priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
}
......@@ -655,7 +655,7 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt)
{
unsigned long flags;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].sta.station_flags |= STA_FLG_PWR_SAVE_MSK;
priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
priv->stations[sta_id].sta.sta.modify_mask =
......@@ -663,7 +663,7 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt)
priv->stations[sta_id].sta.sleep_tx_count = cpu_to_le16(cnt);
priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
}
......
......@@ -405,7 +405,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
txq_id = ctx->ac_to_queue[skb_get_queue_mapping(skb)];
/* irqs already disabled/saved above when locking priv->shrd->lock */
spin_lock(&priv->sta_lock);
spin_lock(&priv->shrd->sta_lock);
if (ieee80211_is_data_qos(fc)) {
u8 *qc = NULL;
......@@ -460,7 +460,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
priv->stations[sta_id].tid[tid].seq_number = seq_number;
}
spin_unlock(&priv->sta_lock);
spin_unlock(&priv->shrd->sta_lock);
spin_unlock_irqrestore(&priv->shrd->lock, flags);
/*
......@@ -476,7 +476,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
return 0;
drop_unlock_sta:
spin_unlock(&priv->sta_lock);
spin_unlock(&priv->shrd->sta_lock);
drop_unlock_priv:
spin_unlock_irqrestore(&priv->shrd->lock, flags);
return -1;
......@@ -534,19 +534,19 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
return -ENXIO;
}
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
tid_data = &priv->stations[sta_id].tid[tid];
*ssn = SEQ_TO_SN(tid_data->seq_number);
tid_data->agg.txq_id = txq_id;
tid_data->agg.tx_fifo = tx_fifo;
iwl_set_swq_id(&priv->txq[txq_id], get_ac_from_tid(tid), txq_id);
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
ret = iwlagn_txq_agg_enable(priv, txq_id, sta_id, tid);
if (ret)
return ret;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
tid_data = &priv->stations[sta_id].tid[tid];
if (tid_data->tfds_in_queue == 0) {
IWL_DEBUG_HT(priv, "HW queue is empty\n");
......@@ -557,7 +557,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
tid_data->tfds_in_queue);
tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA;
}
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return ret;
}
......@@ -580,7 +580,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
return -ENXIO;
}
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
tid_data = &priv->stations[sta_id].tid[tid];
ssn = (tid_data->seq_number & IEEE80211_SCTL_SEQ) >> 4;
......@@ -610,7 +610,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
IWL_DEBUG_HT(priv, "Stopping a non empty AGG HW QUEUE\n");
priv->stations[sta_id].tid[tid].agg.state =
IWL_EMPTYING_HW_QUEUE_DELBA;
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return 0;
}
......@@ -619,7 +619,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
/* do not restore/save irqs */
spin_unlock(&priv->sta_lock);
spin_unlock(&priv->shrd->sta_lock);
spin_lock(&priv->shrd->lock);
/*
......@@ -647,7 +647,7 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv,
ctx = &priv->contexts[priv->stations[sta_id].ctxid];
lockdep_assert_held(&priv->sta_lock);
lockdep_assert_held(&priv->shrd->sta_lock);
switch (priv->stations[sta_id].tid[tid].agg.state) {
case IWL_EMPTYING_HW_QUEUE_DELBA:
......@@ -890,7 +890,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
/* Find index just before block-ack window */
index = iwl_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd);
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
IWL_DEBUG_TX_REPLY(priv, "REPLY_COMPRESSED_BA [%d] Received from %pM, "
"sta_id = %d\n",
......@@ -927,7 +927,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow);
}
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
}
#ifdef CONFIG_IWLWIFI_DEBUG
......
......@@ -3416,7 +3416,7 @@ static int iwl_init_drv(struct iwl_priv *priv)
{
int ret;
spin_lock_init(&priv->sta_lock);
spin_lock_init(&priv->shrd->sta_lock);
spin_lock_init(&priv->hcmd_lock);
mutex_init(&priv->shrd->mutex);
......
......@@ -1307,9 +1307,6 @@ struct iwl_priv {
struct iwl_tt_mgmt thermal_throttle;
/* station table variables */
/* Note: if lock and sta_lock are needed, lock must be acquired first */
spinlock_t sta_lock;
int num_stations;
struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
unsigned long ucode_key_table;
......
......@@ -150,6 +150,8 @@ struct iwl_hw_params {
* @hw_params: see struct iwl_hw_params
* @workqueue: the workqueue used by all the layers of the driver
* @lock: protect general shared data
* @sta_lock: protects the station table.
* If lock and sta_lock are needed, lock must be acquired first.
* @mutex:
*/
struct iwl_shared {
......@@ -166,6 +168,7 @@ struct iwl_shared {
struct workqueue_struct *workqueue;
spinlock_t lock;
spinlock_t sta_lock;
struct mutex mutex;
};
......
......@@ -38,7 +38,7 @@
#include "iwl-trans.h"
#include "iwl-agn.h"
/* priv->sta_lock must be held */
/* priv->shrd->sta_lock must be held */
static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id)
{
......@@ -75,7 +75,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv,
IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n",
sta_id);
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
switch (pkt->u.add_sta.status) {
case ADD_STA_SUCCESS_MSK:
......@@ -118,7 +118,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv,
priv->stations[sta_id].sta.mode ==
STA_CONTROL_MODIFY_MSK ? "Modified" : "Added",
addsta->sta.addr);
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return ret;
}
......@@ -337,12 +337,12 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
struct iwl_addsta_cmd sta_cmd;
*sta_id_r = 0;
spin_lock_irqsave(&priv->sta_lock, flags_spin);
spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin);
sta_id = iwl_prep_station(priv, ctx, addr, is_ap, sta);
if (sta_id == IWL_INVALID_STATION) {
IWL_ERR(priv, "Unable to prepare station %pM for addition\n",
addr);
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin);
return -EINVAL;
}
......@@ -354,7 +354,7 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
if (priv->stations[sta_id].used & IWL_STA_UCODE_INPROGRESS) {
IWL_DEBUG_INFO(priv, "STA %d already in process of being added.\n",
sta_id);
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin);
return -EEXIST;
}
......@@ -362,23 +362,23 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
(priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) {
IWL_DEBUG_ASSOC(priv, "STA %d (%pM) already added, not adding again.\n",
sta_id, addr);
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin);
return -EEXIST;
}
priv->stations[sta_id].used |= IWL_STA_UCODE_INPROGRESS;
memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd));
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin);
/* Add station to device's station table */
ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
if (ret) {
spin_lock_irqsave(&priv->sta_lock, flags_spin);
spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin);
IWL_ERR(priv, "Adding station %pM failed.\n",
priv->stations[sta_id].sta.sta.addr);
priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE;
priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS;
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin);
}
*sta_id_r = sta_id;
return ret;
......@@ -387,7 +387,7 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
/**
* iwl_sta_ucode_deactivate - deactivate ucode status for a station
*
* priv->sta_lock must be held
* priv->shrd->sta_lock must be held
*/
static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, u8 sta_id)
{
......@@ -441,9 +441,11 @@ static int iwl_send_remove_station(struct iwl_priv *priv,
switch (pkt->u.rem_sta.status) {
case REM_STA_SUCCESS_MSK:
if (!temporary) {
spin_lock_irqsave(&priv->sta_lock, flags_spin);
spin_lock_irqsave(&priv->shrd->sta_lock,
flags_spin);
iwl_sta_ucode_deactivate(priv, sta_id);
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock,
flags_spin);
}
IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n");
break;
......@@ -484,7 +486,7 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
if (WARN_ON(sta_id == IWL_INVALID_STATION))
return -EINVAL;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) {
IWL_DEBUG_INFO(priv, "Removing %pM but non DRIVER active\n",
......@@ -510,11 +512,11 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
if (WARN_ON(priv->num_stations < 0))
priv->num_stations = 0;
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return iwl_send_remove_station(priv, addr, sta_id, false);
out_err:
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return -EINVAL;
}
......@@ -535,7 +537,7 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv,
IWL_DEBUG_INFO(priv, "Clearing ucode stations in driver\n");
spin_lock_irqsave(&priv->sta_lock, flags_spin);
spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin);
for (i = 0; i < hw_params(priv).max_stations; i++) {
if (ctx && ctx->ctxid != priv->stations[i].ctxid)
continue;
......@@ -546,7 +548,7 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv,
cleared = true;
}
}
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin);
if (!cleared)
IWL_DEBUG_INFO(priv, "No active stations found to be cleared\n");
......@@ -576,7 +578,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
}
IWL_DEBUG_ASSOC(priv, "Restoring all known stations ... start.\n");
spin_lock_irqsave(&priv->sta_lock, flags_spin);
spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin);
for (i = 0; i < hw_params(priv).max_stations; i++) {
if (ctx->ctxid != priv->stations[i].ctxid)
continue;
......@@ -600,15 +602,18 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
sizeof(struct iwl_link_quality_cmd));
send_lq = true;
}
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock,
flags_spin);
ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
if (ret) {
spin_lock_irqsave(&priv->sta_lock, flags_spin);
spin_lock_irqsave(&priv->shrd->sta_lock,
flags_spin);
IWL_ERR(priv, "Adding station %pM failed.\n",
priv->stations[i].sta.sta.addr);
priv->stations[i].used &= ~IWL_STA_DRIVER_ACTIVE;
priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS;
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock,
flags_spin);
}
/*
* Rate scaling has already been initialized, send
......@@ -616,12 +621,12 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
*/
if (send_lq)
iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true);
spin_lock_irqsave(&priv->sta_lock, flags_spin);
spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin);
priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS;
}
}
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin);
if (!found)
IWL_DEBUG_INFO(priv, "Restoring all known stations .... no stations to be restored.\n");
else
......@@ -637,9 +642,9 @@ void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
struct iwl_link_quality_cmd lq;
bool active;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) {
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
return;
}
......@@ -649,7 +654,7 @@ void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
active = priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE;
priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE;
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
if (active) {
ret = iwl_send_remove_station(
......@@ -659,9 +664,9 @@ void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
IWL_ERR(priv, "failed to remove STA %pM (%d)\n",
priv->stations[sta_id].sta.sta.addr, ret);
}
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE;
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC);
if (ret)
......@@ -686,7 +691,7 @@ void iwl_dealloc_bcast_stations(struct iwl_priv *priv)
unsigned long flags;
int i;
spin_lock_irqsave(&priv->sta_lock, flags);
spin_lock_irqsave(&priv->shrd->sta_lock, flags);
for (i = 0; i < hw_params(priv).max_stations; i++) {
if (!(priv->stations[i].used & IWL_STA_BCAST))
continue;
......@@ -698,7 +703,7 @@ void iwl_dealloc_bcast_stations(struct iwl_priv *priv)
kfree(priv->stations[i].lq);
priv->stations[i].lq = NULL;
}
spin_unlock_irqrestore(&priv->sta_lock, flags);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
}
#ifdef CONFIG_IWLWIFI_DEBUG
......@@ -782,12 +787,12 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
return -EINVAL;
spin_lock_irqsave(&priv->sta_lock, flags_spin);
spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin);
if (!(priv->stations[lq->sta_id].used & IWL_STA_DRIVER_ACTIVE)) {
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin);
return -EINVAL;
}
spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin);
iwl_dump_lq_cmd(priv, lq);
if (WARN_ON(init && (cmd.flags & CMD_ASYNC)))
......@@ -804,9 +809,9 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
if (init) {
IWL_DEBUG_INFO(priv, "init LQ