@@ -1228,11 +1228,7 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
trans_cfg.no_reclaim_cmds = no_reclaim_cmds;
trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds);
trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K;
- if (!iwlwifi_mod_params.wd_disable)
- trans_cfg.queue_watchdog_timeout =
- priv->cfg->base_params->wd_timeout;
- else
- trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED;
+ trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED;
trans_cfg.command_names = iwl_dvm_cmd_strings;
trans_cfg.cmd_fifo = IWLAGN_CMD_FIFO_NUM;
@@ -1367,7 +1367,6 @@ struct iwl_mod_params iwlwifi_mod_params = {
.restart_fw = true,
.bt_coex_active = true,
.power_level = IWL_POWER_INDEX_1,
- .wd_disable = true,
.d0i3_disable = true,
#ifndef CONFIG_IWLWIFI_UAPSD
.uapsd_disable = true,
@@ -1478,10 +1477,6 @@ module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
MODULE_PARM_DESC(antenna_coupling,
"specify antenna coupling in dB (default: 0 dB)");
-module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO);
-MODULE_PARM_DESC(wd_disable,
- "Disable stuck queue watchdog timer 0=system default, 1=disable (default: 1)");
-
module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
MODULE_PARM_DESC(nvm_file, "NVM file name");
@@ -96,7 +96,6 @@ enum iwl_disable_11n {
* use IWL_[DIS,EN]ABLE_HT_* constants
* @amsdu_size_8K: enable 8K amsdu size, default = 0
* @restart_fw: restart firmware, default = 1
- * @wd_disable: disable stuck queue check, default = 1
* @bt_coex_active: enable bt coex, default = true
* @led_mode: system default, default = 0
* @power_save: enable power save, default = false
@@ -111,7 +110,6 @@ struct iwl_mod_params {
unsigned int disable_11n;
int amsdu_size_8K;
bool restart_fw;
- int wd_disable;
bool bt_coex_active;
int led_mode;
bool power_save;
@@ -119,11 +119,13 @@ extern const struct ieee80211_ops iwl_mvm_hw_ops;
* We will register to mac80211 to have testmode working. The NIC must not
* be up'ed after the INIT fw asserted. This is useful to be able to use
* proprietary tools over testmode to debug the INIT fw.
+ * @tfd_q_hang_detect: enabled the detection of hung transmit queues
* @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
* Save)-2(default), LP(Low Power)-3
*/
struct iwl_mvm_mod_params {
bool init_dbg;
+ bool tfd_q_hang_detect;
int power_scheme;
};
extern struct iwl_mvm_mod_params iwlmvm_mod_params;
@@ -93,6 +93,7 @@ static const struct iwl_op_mode_ops iwl_mvm_ops;
struct iwl_mvm_mod_params iwlmvm_mod_params = {
.power_scheme = IWL_POWER_SCHEME_BPS,
+ .tfd_q_hang_detect = true
/* rest of fields are 0 by default */
};
@@ -102,6 +103,10 @@ MODULE_PARM_DESC(init_dbg,
module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, S_IRUGO);
MODULE_PARM_DESC(power_scheme,
"power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
+module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect,
+ bool, S_IRUGO);
+MODULE_PARM_DESC(tfd_q_hang_detect,
+ "TFD queues hang detection (default: true");
/*
* module init and exit functions
@@ -473,10 +478,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE)
trans_cfg.bc_table_dword = true;
- if (!iwlwifi_mod_params.wd_disable)
+ if (iwlmvm_mod_params.tfd_q_hang_detect)
trans_cfg.queue_watchdog_timeout = cfg->base_params->wd_timeout;
- else
- trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED;
trans_cfg.command_names = iwl_mvm_cmd_strings;
@@ -1849,7 +1849,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
/* start timer if queue currently empty */
if (q->read_ptr == q->write_ptr) {
- if (txq->need_update && trans_pcie->wd_timeout)
+ if (trans_pcie->wd_timeout)
mod_timer(&txq->stuck_timer,
jiffies + trans_pcie->wd_timeout);
IWL_DEBUG_RPM(trans, "Q: %d first tx - take ref\n", q->id);