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path: root/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-lib.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-lib.c130
1 files changed, 71 insertions, 59 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 554afb7d967..3dee87e8f55 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -405,6 +405,7 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv,
return;
}
+ txq->time_stamp = jiffies;
info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb);
memset(&info->status, 0, sizeof(info->status));
@@ -445,22 +446,17 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv,
if (priv->mac80211_registered &&
(iwl_queue_space(&txq->q) > txq->q.low_mark) &&
- (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) {
- if (agg->state == IWL_AGG_OFF)
- iwl_wake_queue(priv, txq_id);
- else
- iwl_wake_queue(priv, txq->swq_id);
- }
+ (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA))
+ iwl_wake_queue(priv, txq);
}
} else {
- BUG_ON(txq_id != txq->swq_id);
iwlagn_set_tx_status(priv, info, tx_resp, txq_id, false);
freed = iwlagn_tx_queue_reclaim(priv, txq_id, index);
iwl_free_tfds_in_queue(priv, sta_id, tid, freed);
if (priv->mac80211_registered &&
(iwl_queue_space(&txq->q) > txq->q.low_mark))
- iwl_wake_queue(priv, txq_id);
+ iwl_wake_queue(priv, txq);
}
iwlagn_txq_check_empty(priv, sta_id, tid, txq_id);
@@ -496,6 +492,10 @@ int iwlagn_send_tx_power(struct iwl_priv *priv)
struct iwlagn_tx_power_dbm_cmd tx_power_cmd;
u8 tx_ant_cfg_cmd;
+ if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->status),
+ "TX Power requested while scanning!\n"))
+ return -EAGAIN;
+
/* half dBm need to multiply */
tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt);
@@ -522,9 +522,8 @@ int iwlagn_send_tx_power(struct iwl_priv *priv)
else
tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD;
- return iwl_send_cmd_pdu_async(priv, tx_ant_cfg_cmd,
- sizeof(tx_power_cmd), &tx_power_cmd,
- NULL);
+ return iwl_send_cmd_pdu(priv, tx_ant_cfg_cmd, sizeof(tx_power_cmd),
+ &tx_power_cmd);
}
void iwlagn_temperature(struct iwl_priv *priv)
@@ -756,6 +755,12 @@ int iwlagn_hw_nic_init(struct iwl_priv *priv)
} else
iwlagn_txq_ctx_reset(priv);
+ if (priv->cfg->base_params->shadow_reg_enable) {
+ /* enable shadow regs in HW */
+ iwl_set_bit(priv, CSR_MAC_SHADOW_REG_CTRL,
+ 0x800FFFFF);
+ }
+
set_bit(STATUS_INIT, &priv->status);
return 0;
@@ -1487,15 +1492,11 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
if (priv->cfg->scan_rx_antennas[band])
rx_ant = priv->cfg->scan_rx_antennas[band];
- if (priv->cfg->scan_tx_antennas[band])
- scan_tx_antennas = priv->cfg->scan_tx_antennas[band];
-
- if (priv->cfg->bt_params &&
- priv->cfg->bt_params->advanced_bt_coexist &&
- priv->bt_full_concurrent) {
- /* operated as 1x1 in full concurrency mode */
- scan_tx_antennas = first_antenna(
- priv->cfg->scan_tx_antennas[band]);
+ if (band == IEEE80211_BAND_2GHZ &&
+ priv->cfg->bt_params &&
+ priv->cfg->bt_params->advanced_bt_coexist) {
+ /* transmit 2.4 GHz probes only on first antenna */
+ scan_tx_antennas = first_antenna(scan_tx_antennas);
}
priv->scan_tx_ant[band] = iwl_toggle_tx_ant(priv, priv->scan_tx_ant[band],
@@ -1590,22 +1591,6 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
return ret;
}
-void iwlagn_post_scan(struct iwl_priv *priv)
-{
- struct iwl_rxon_context *ctx;
-
- /*
- * Since setting the RXON may have been deferred while
- * performing the scan, fire one off if needed
- */
- for_each_context(priv, ctx)
- if (memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging)))
- iwlagn_commit_rxon(priv, ctx);
-
- if (priv->cfg->ops->hcmd->set_pan_params)
- priv->cfg->ops->hcmd->set_pan_params(priv);
-}
-
int iwlagn_manage_ibss_station(struct iwl_priv *priv,
struct ieee80211_vif *vif, bool add)
{
@@ -1796,7 +1781,7 @@ static const __le32 iwlagn_def_3w_lookup[12] = {
cpu_to_le32(0xc0004000),
cpu_to_le32(0x00004000),
cpu_to_le32(0xf0005000),
- cpu_to_le32(0xf0004000),
+ cpu_to_le32(0xf0005000),
};
static const __le32 iwlagn_concurrent_lookup[12] = {
@@ -1832,6 +1817,7 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv)
bt_cmd.prio_boost = 0;
bt_cmd.kill_ack_mask = priv->kill_ack_mask;
bt_cmd.kill_cts_mask = priv->kill_cts_mask;
+
bt_cmd.valid = priv->bt_valid;
bt_cmd.tx_prio_boost = 0;
bt_cmd.rx_prio_boost = 0;
@@ -1847,10 +1833,15 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv)
} else {
bt_cmd.flags = IWLAGN_BT_FLAG_COEX_MODE_3W <<
IWLAGN_BT_FLAG_COEX_MODE_SHIFT;
+ if (priv->cfg->bt_params &&
+ priv->cfg->bt_params->bt_sco_disable)
+ bt_cmd.flags |= IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE;
+
if (priv->bt_ch_announce)
bt_cmd.flags |= IWLAGN_BT_FLAG_CHANNEL_INHIBITION;
IWL_DEBUG_INFO(priv, "BT coex flag: 0X%x\n", bt_cmd.flags);
}
+ priv->bt_enable_flag = bt_cmd.flags;
if (priv->bt_full_concurrent)
memcpy(bt_cmd.bt3_lookup_table, iwlagn_concurrent_lookup,
sizeof(iwlagn_concurrent_lookup));
@@ -1890,12 +1881,20 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work)
struct iwl_rxon_context *ctx;
int smps_request = -1;
+ /*
+ * Note: bt_traffic_load can be overridden by scan complete and
+ * coex profile notifications. Ignore that since only bad consequence
+ * can be not matching debug print with actual state.
+ */
IWL_DEBUG_INFO(priv, "BT traffic load changes: %d\n",
priv->bt_traffic_load);
switch (priv->bt_traffic_load) {
case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
- smps_request = IEEE80211_SMPS_AUTOMATIC;
+ if (priv->bt_status)
+ smps_request = IEEE80211_SMPS_DYNAMIC;
+ else
+ smps_request = IEEE80211_SMPS_AUTOMATIC;
break;
case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
smps_request = IEEE80211_SMPS_DYNAMIC;
@@ -1912,6 +1911,16 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work)
mutex_lock(&priv->mutex);
+ /*
+ * We can not send command to firmware while scanning. When the scan
+ * complete we will schedule this work again. We do check with mutex
+ * locked to prevent new scan request to arrive. We do not check
+ * STATUS_SCANNING to avoid race when queue_work two times from
+ * different notifications, but quit and not perform any work at all.
+ */
+ if (test_bit(STATUS_SCAN_HW, &priv->status))
+ goto out;
+
if (priv->cfg->ops->lib->update_chain_flags)
priv->cfg->ops->lib->update_chain_flags(priv);
@@ -1921,7 +1930,7 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work)
ieee80211_request_smps(ctx->vif, smps_request);
}
}
-
+out:
mutex_unlock(&priv->mutex);
}
@@ -1992,24 +2001,29 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
BT_UART_MSG_FRAME7CONNECTABLE_POS);
}
-static void iwlagn_set_kill_ack_msk(struct iwl_priv *priv,
- struct iwl_bt_uart_msg *uart_msg)
+static void iwlagn_set_kill_msk(struct iwl_priv *priv,
+ struct iwl_bt_uart_msg *uart_msg)
{
- u8 kill_ack_msk;
- __le32 bt_kill_ack_msg[2] = {
- cpu_to_le32(0xFFFFFFF), cpu_to_le32(0xFFFFFC00) };
-
- kill_ack_msk = (((BT_UART_MSG_FRAME3A2DP_MSK |
- BT_UART_MSG_FRAME3SNIFF_MSK |
- BT_UART_MSG_FRAME3SCOESCO_MSK) &
- uart_msg->frame3) == 0) ? 1 : 0;
- if (priv->kill_ack_mask != bt_kill_ack_msg[kill_ack_msk]) {
+ u8 kill_msk;
+ static const __le32 bt_kill_ack_msg[2] = {
+ IWLAGN_BT_KILL_ACK_MASK_DEFAULT,
+ IWLAGN_BT_KILL_ACK_CTS_MASK_SCO };
+ static const __le32 bt_kill_cts_msg[2] = {
+ IWLAGN_BT_KILL_CTS_MASK_DEFAULT,
+ IWLAGN_BT_KILL_ACK_CTS_MASK_SCO };
+
+ kill_msk = (BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3)
+ ? 1 : 0;
+ if (priv->kill_ack_mask != bt_kill_ack_msg[kill_msk] ||
+ priv->kill_cts_mask != bt_kill_cts_msg[kill_msk]) {
priv->bt_valid |= IWLAGN_BT_VALID_KILL_ACK_MASK;
- priv->kill_ack_mask = bt_kill_ack_msg[kill_ack_msk];
+ priv->kill_ack_mask = bt_kill_ack_msg[kill_msk];
+ priv->bt_valid |= IWLAGN_BT_VALID_KILL_CTS_MASK;
+ priv->kill_cts_mask = bt_kill_cts_msg[kill_msk];
+
/* schedule to send runtime bt_config */
queue_work(priv->workqueue, &priv->bt_runtime_config);
}
-
}
void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
@@ -2020,7 +2034,6 @@ void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
struct iwl_bt_coex_profile_notif *coex = &pkt->u.bt_coex_profile_notif;
struct iwlagn_bt_sco_cmd sco_cmd = { .flags = 0 };
struct iwl_bt_uart_msg *uart_msg = &coex->last_bt_uart_msg;
- u8 last_traffic_load;
IWL_DEBUG_NOTIF(priv, "BT Coex notification:\n");
IWL_DEBUG_NOTIF(priv, " status: %d\n", coex->bt_status);
@@ -2029,11 +2042,10 @@ void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
coex->bt_ci_compliance);
iwlagn_print_uartmsg(priv, uart_msg);
- last_traffic_load = priv->notif_bt_traffic_load;
- priv->notif_bt_traffic_load = coex->bt_traffic_load;
+ priv->last_bt_traffic_load = priv->bt_traffic_load;
if (priv->iw_mode != NL80211_IFTYPE_ADHOC) {
if (priv->bt_status != coex->bt_status ||
- last_traffic_load != coex->bt_traffic_load) {
+ priv->last_bt_traffic_load != coex->bt_traffic_load) {
if (coex->bt_status) {
/* BT on */
if (!priv->bt_ch_announce)
@@ -2062,7 +2074,7 @@ void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
}
}
- iwlagn_set_kill_ack_msk(priv, uart_msg);
+ iwlagn_set_kill_msk(priv, uart_msg);
/* FIXME: based on notification, adjust the prio_boost */
@@ -2282,7 +2294,7 @@ static const char *get_csr_string(int cmd)
void iwl_dump_csr(struct iwl_priv *priv)
{
int i;
- u32 csr_tbl[] = {
+ static const u32 csr_tbl[] = {
CSR_HW_IF_CONFIG_REG,
CSR_INT_COALESCING,
CSR_INT,
@@ -2341,7 +2353,7 @@ int iwl_dump_fh(struct iwl_priv *priv, char **buf, bool display)
int pos = 0;
size_t bufsz = 0;
#endif
- u32 fh_tbl[] = {
+ static const u32 fh_tbl[] = {
FH_RSCSR_CHNL0_STTS_WPTR_REG,
FH_RSCSR_CHNL0_RBDCB_BASE_REG,
FH_RSCSR_CHNL0_WPTR,
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 03:46:28 +0000