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Diffstat (limited to 'drivers/net/wireless/iwlwifi/dvm')
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/agn.h8
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/calib.c2
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/calib.h2
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/commands.h3
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/debugfs.c26
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/lib.c27
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/mac80211.c7
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/rxon.c18
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/scan.c2
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/sta.c2
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/testmode.c2
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/tx.c49
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/ucode.c6
13 files changed, 124 insertions, 30 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/agn.h b/drivers/net/wireless/iwlwifi/dvm/agn.h
index 41ec27cb6ef..e575b9b0cda 100644
--- a/drivers/net/wireless/iwlwifi/dvm/agn.h
+++ b/drivers/net/wireless/iwlwifi/dvm/agn.h
@@ -22,7 +22,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -73,6 +73,8 @@
/* AUX (TX during scan dwell) queue */
#define IWL_AUX_QUEUE 10
+#define IWL_INVALID_STATION 255
+
/* device operations */
extern struct iwl_lib_ops iwl1000_lib;
extern struct iwl_lib_ops iwl2000_lib;
@@ -176,7 +178,7 @@ int iwlagn_hw_valid_rtc_data_addr(u32 addr);
/* lib */
int iwlagn_send_tx_power(struct iwl_priv *priv);
void iwlagn_temperature(struct iwl_priv *priv);
-int iwlagn_txfifo_flush(struct iwl_priv *priv);
+int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk);
void iwlagn_dev_txfifo_flush(struct iwl_priv *priv);
int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
int iwl_send_statistics_request(struct iwl_priv *priv,
@@ -210,6 +212,8 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u8 buf_size);
int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid);
+int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, u16 tid);
int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
diff --git a/drivers/net/wireless/iwlwifi/dvm/calib.c b/drivers/net/wireless/iwlwifi/dvm/calib.c
index 6468de8634b..d6c4cf2ad7c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/calib.c
+++ b/drivers/net/wireless/iwlwifi/dvm/calib.c
@@ -22,7 +22,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
diff --git a/drivers/net/wireless/iwlwifi/dvm/calib.h b/drivers/net/wireless/iwlwifi/dvm/calib.h
index 65e920cab2b..cfddde19494 100644
--- a/drivers/net/wireless/iwlwifi/dvm/calib.h
+++ b/drivers/net/wireless/iwlwifi/dvm/calib.h
@@ -22,7 +22,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
diff --git a/drivers/net/wireless/iwlwifi/dvm/commands.h b/drivers/net/wireless/iwlwifi/dvm/commands.h
index 84e2c0fcfef..95ca026ecc9 100644
--- a/drivers/net/wireless/iwlwifi/dvm/commands.h
+++ b/drivers/net/wireless/iwlwifi/dvm/commands.h
@@ -22,7 +22,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -1526,6 +1526,7 @@ struct iwl_compressed_ba_resp {
__le16 scd_ssn;
u8 txed; /* number of frames sent */
u8 txed_2_done; /* number of frames acked */
+ __le16 reserved1;
} __packed;
/*
diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
index 20806cae11b..7b8178be119 100644
--- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
@@ -19,7 +19,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -2324,6 +2324,28 @@ static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
return count;
}
+static ssize_t iwl_dbgfs_fw_restart_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_priv *priv = file->private_data;
+ bool restart_fw = iwlwifi_mod_params.restart_fw;
+ int ret;
+
+ iwlwifi_mod_params.restart_fw = true;
+
+ mutex_lock(&priv->mutex);
+
+ /* take the return value to make compiler happy - it will fail anyway */
+ ret = iwl_dvm_send_cmd_pdu(priv, REPLY_ERROR, CMD_SYNC, 0, NULL);
+
+ mutex_unlock(&priv->mutex);
+
+ iwlwifi_mod_params.restart_fw = restart_fw;
+
+ return count;
+}
+
DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
DEBUGFS_READ_FILE_OPS(ucode_general_stats);
@@ -2343,6 +2365,7 @@ DEBUGFS_READ_FILE_OPS(bt_traffic);
DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
DEBUGFS_READ_FILE_OPS(reply_tx_error);
DEBUGFS_WRITE_FILE_OPS(echo_test);
+DEBUGFS_WRITE_FILE_OPS(fw_restart);
#ifdef CONFIG_IWLWIFI_DEBUG
DEBUGFS_READ_WRITE_FILE_OPS(log_event);
#endif
@@ -2400,6 +2423,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir)
DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
+ DEBUGFS_ADD_FILE(fw_restart, dir_debug, S_IWUSR);
#ifdef CONFIG_IWLWIFI_DEBUG
DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR);
#endif
diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c
index 86ea5f4c393..54f553380aa 100644
--- a/drivers/net/wireless/iwlwifi/dvm/lib.c
+++ b/drivers/net/wireless/iwlwifi/dvm/lib.c
@@ -19,7 +19,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -136,7 +136,7 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv,
* 1. acquire mutex before calling
* 2. make sure rf is on and not in exit state
*/
-int iwlagn_txfifo_flush(struct iwl_priv *priv)
+int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk)
{
struct iwl_txfifo_flush_cmd flush_cmd;
struct iwl_host_cmd cmd = {
@@ -162,6 +162,9 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv)
if (priv->nvm_data->sku_cap_11n_enable)
flush_cmd.queue_control |= IWL_AGG_TX_QUEUE_MSK;
+ if (scd_q_msk)
+ flush_cmd.queue_control = cpu_to_le32(scd_q_msk);
+
IWL_DEBUG_INFO(priv, "queue control: 0x%x\n",
flush_cmd.queue_control);
flush_cmd.flush_control = cpu_to_le16(IWL_DROP_ALL);
@@ -173,7 +176,7 @@ void iwlagn_dev_txfifo_flush(struct iwl_priv *priv)
{
mutex_lock(&priv->mutex);
ieee80211_stop_queues(priv->hw);
- if (iwlagn_txfifo_flush(priv)) {
+ if (iwlagn_txfifo_flush(priv, 0)) {
IWL_ERR(priv, "flush request fail\n");
goto done;
}
@@ -1084,7 +1087,14 @@ int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan)
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd;
struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {};
- struct iwlagn_d3_config_cmd d3_cfg_cmd = {};
+ struct iwlagn_d3_config_cmd d3_cfg_cmd = {
+ /*
+ * Program the minimum sleep time to 10 seconds, as many
+ * platforms have issues processing a wakeup signal while
+ * still being in the process of suspending.
+ */
+ .min_sleep_time = cpu_to_le32(10 * 1000 * 1000),
+ };
struct wowlan_key_data key_data = {
.ctx = ctx,
.bssid = ctx->active.bssid_addr,
@@ -1262,6 +1272,15 @@ int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
}
/*
+ * This can happen upon FW ASSERT: we clear the STATUS_FW_ERROR flag
+ * in iwl_down but cancel the workers only later.
+ */
+ if (!priv->ucode_loaded) {
+ IWL_ERR(priv, "Fw not loaded - dropping CMD: %x\n", cmd->id);
+ return -EIO;
+ }
+
+ /*
* Synchronous commands from this op-mode must hold
* the mutex, this ensures we don't try to send two
* (or more) synchronous commands at a time.
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index 2dc101fe0d2..cab23af0be9 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -777,9 +777,12 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
IWL_DEBUG_HT(priv, "start Tx\n");
ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
break;
- case IEEE80211_AMPDU_TX_STOP_CONT:
case IEEE80211_AMPDU_TX_STOP_FLUSH:
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+ IWL_DEBUG_HT(priv, "Flush Tx\n");
+ ret = iwlagn_tx_agg_flush(priv, vif, sta, tid);
+ break;
+ case IEEE80211_AMPDU_TX_STOP_CONT:
IWL_DEBUG_HT(priv, "stop Tx\n");
ret = iwlagn_tx_agg_stop(priv, vif, sta, tid);
if ((ret == 0) && (priv->agg_tids_count > 0)) {
@@ -1132,7 +1135,7 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
*/
if (drop) {
IWL_DEBUG_MAC80211(priv, "send flush command\n");
- if (iwlagn_txfifo_flush(priv)) {
+ if (iwlagn_txfifo_flush(priv, 0)) {
IWL_ERR(priv, "flush request fail\n");
goto done;
}
diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c
index acbb50b5f1e..707446fa00b 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rxon.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c
@@ -1420,6 +1420,14 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
mutex_lock(&priv->mutex);
+ if (changes & BSS_CHANGED_IDLE && bss_conf->idle) {
+ /*
+ * If we go idle, then clearly no "passive-no-rx"
+ * workaround is needed any more, this is a reset.
+ */
+ iwlagn_lift_passive_no_rx(priv);
+ }
+
if (unlikely(!iwl_is_ready(priv))) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
mutex_unlock(&priv->mutex);
@@ -1451,16 +1459,6 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
priv->timestamp = bss_conf->sync_tsf;
ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
} else {
- /*
- * If we disassociate while there are pending
- * frames, just wake up the queues and let the
- * frames "escape" ... This shouldn't really
- * be happening to start with, but we should
- * not get stuck in this case either since it
- * can happen if userspace gets confused.
- */
- iwlagn_lift_passive_no_rx(priv);
-
ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
if (ctx->ctxid == IWL_RXON_CTX_BSS)
diff --git a/drivers/net/wireless/iwlwifi/dvm/scan.c b/drivers/net/wireless/iwlwifi/dvm/scan.c
index 3a4aa5239c4..d69b5586671 100644
--- a/drivers/net/wireless/iwlwifi/dvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/dvm/scan.c
@@ -19,7 +19,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c
index 94ef33838bc..b775769f832 100644
--- a/drivers/net/wireless/iwlwifi/dvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/dvm/sta.c
@@ -151,7 +151,7 @@ int iwl_send_add_sta(struct iwl_priv *priv,
sta_id, sta->sta.addr, flags & CMD_ASYNC ? "a" : "");
if (!(flags & CMD_ASYNC)) {
- cmd.flags |= CMD_WANT_SKB | CMD_WANT_HCMD;
+ cmd.flags |= CMD_WANT_SKB;
might_sleep();
}
diff --git a/drivers/net/wireless/iwlwifi/dvm/testmode.c b/drivers/net/wireless/iwlwifi/dvm/testmode.c
index dc6f965a123..b89b9d9b996 100644
--- a/drivers/net/wireless/iwlwifi/dvm/testmode.c
+++ b/drivers/net/wireless/iwlwifi/dvm/testmode.c
@@ -22,7 +22,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index d499a0366fa..a900aaf4779 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -19,7 +19,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -674,6 +674,51 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
return ret;
}
+int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, u16 tid)
+{
+ struct iwl_tid_data *tid_data;
+ enum iwl_agg_state agg_state;
+ int sta_id, txq_id;
+ sta_id = iwl_sta_id(sta);
+
+ /*
+ * First set the agg state to OFF to avoid calling
+ * ieee80211_stop_tx_ba_cb in iwlagn_check_ratid_empty.
+ */
+ spin_lock_bh(&priv->sta_lock);
+
+ tid_data = &priv->tid_data[sta_id][tid];
+ txq_id = tid_data->agg.txq_id;
+ agg_state = tid_data->agg.state;
+ IWL_DEBUG_TX_QUEUES(priv, "Flush AGG: sta %d tid %d q %d state %d\n",
+ sta_id, tid, txq_id, tid_data->agg.state);
+
+ tid_data->agg.state = IWL_AGG_OFF;
+
+ spin_unlock_bh(&priv->sta_lock);
+
+ if (iwlagn_txfifo_flush(priv, BIT(txq_id)))
+ IWL_ERR(priv, "Couldn't flush the AGG queue\n");
+
+ if (test_bit(txq_id, priv->agg_q_alloc)) {
+ /*
+ * If the transport didn't know that we wanted to start
+ * agreggation, don't tell it that we want to stop them.
+ * This can happen when we don't get the addBA response on
+ * time, or we hadn't time to drain the AC queues.
+ */
+ if (agg_state == IWL_AGG_ON)
+ iwl_trans_txq_disable(priv->trans, txq_id);
+ else
+ IWL_DEBUG_TX_QUEUES(priv, "Don't disable tx agg: %d\n",
+ agg_state);
+ iwlagn_dealloc_agg_txq(priv, txq_id);
+ }
+
+ return 0;
+}
+
int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u8 buf_size)
{
@@ -1193,7 +1238,7 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
memset(&info->status, 0, sizeof(info->status));
if (status == TX_STATUS_FAIL_PASSIVE_NO_RX &&
- iwl_is_associated_ctx(ctx) && ctx->vif &&
+ ctx->vif &&
ctx->vif->type == NL80211_IFTYPE_STATION) {
/* block and stop all queues */
priv->passive_no_rx = true;
diff --git a/drivers/net/wireless/iwlwifi/dvm/ucode.c b/drivers/net/wireless/iwlwifi/dvm/ucode.c
index 736fe9bb140..0a1cdc5e856 100644
--- a/drivers/net/wireless/iwlwifi/dvm/ucode.c
+++ b/drivers/net/wireless/iwlwifi/dvm/ucode.c
@@ -19,7 +19,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -367,6 +367,8 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
return -EIO;
}
+ priv->ucode_loaded = true;
+
if (ucode_type != IWL_UCODE_WOWLAN) {
/* delay a bit to give rfkill time to run */
msleep(5);
@@ -380,8 +382,6 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
return ret;
}
- priv->ucode_loaded = true;
-
return 0;
}