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@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h | 2 ++
drivers/net/wireless/iwlwifi/mvm/mac80211.c | 3 +++
2 files changed, 5 insertions(+)
diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h b/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h
index 7d74126..1ee58b3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h
@@ -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,
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 3b6b9f6..5a5d5c8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -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 =
--
1.9.1
--
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