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iwlwifi: mvm: add trigger for firmware dump upon channel switch 

We fire the trigger when the channel switch starts, but
the delay is configurable. That makes is easier to catch
channel switches that fail.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Emmanuel Grumbach 2015-02-10 10:49:51 +02:00
parent 9d761fd8a5
commit f35d9c55cd
2 changed files with 5 additions and 0 deletions
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2
drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h
View File

@ -243,12 +243,14 @@ iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
* @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
* @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
* missed.
* @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
*/
enum iwl_fw_dbg_trigger {
FW_DBG_TRIGGER_INVALID = 0,
FW_DBG_TRIGGER_USER,
FW_DBG_TRIGGER_FW_ASSERT,
FW_DBG_TRIGGER_MISSED_BEACONS,
FW_DBG_TRIGGER_CHANNEL_SWITCH,
/* must be last */
FW_DBG_TRIGGER_MAX,

3
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -3481,6 +3481,9 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",
chsw->chandef.center_freq1);
iwl_fw_dbg_trigger_simple_stop(mvm, vif, FW_DBG_TRIGGER_CHANNEL_SWITCH,
NULL, 0);
switch (vif->type) {
case NL80211_IFTYPE_AP:
csa_vif =