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 <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
