Return-path: Received: from mga09.intel.com ([134.134.136.24]:50389 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753303AbbCATcm (ORCPT ); Sun, 1 Mar 2015 14:32:42 -0500 From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Emmanuel Grumbach Subject: [PATCH 26/31] iwlwifi: mvm: add trigger for firmware dump upon channel switch Date: Sun, 1 Mar 2015 21:31:39 +0200 Message-Id: <1425238304-498-26-git-send-email-emmanuel.grumbach@intel.com> (sfid-20150301_203417_620848_07C9B897) In-Reply-To: <1425238186.30202.5.camel@egrumbacBox> References: <1425238186.30202.5.camel@egrumbacBox> Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- 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