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authorGolan Ben-Ami <golan.ben.ami@intel.com>2015-09-02 12:34:23 +0300
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2016-02-01 16:40:19 +0200
commit25657fec94f87308da19bb3d5063feef04d5ba20 (patch)
treeb9952e261272e54be9a39e472f186bd50f3f0e22 /drivers/net/wireless/intel/iwlwifi/mvm
parentd1cae0fd22e9d0c55c97da29dcdfe28d99d96ea6 (diff)
iwlwifi: mvm: add trigger for firmware dump upon TX response status
This will allow to collect the data when the firmware sends a specific tx response status. Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tx.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 8bf48a7d0f4e..5d73db2534a0 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -736,6 +736,37 @@ static void iwl_mvm_hwrate_to_tx_status(u32 rate_n_flags,
iwl_mvm_hwrate_to_tx_rate(rate_n_flags, info->band, r);
}
+static void iwl_mvm_tx_status_check_trigger(struct iwl_mvm *mvm,
+ u32 status)
+{
+ struct iwl_fw_dbg_trigger_tlv *trig;
+ struct iwl_fw_dbg_trigger_tx_status *status_trig;
+ int i;
+
+ if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TX_STATUS))
+ return;
+
+ trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TX_STATUS);
+ status_trig = (void *)trig->data;
+
+ if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig))
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(status_trig->statuses); i++) {
+ /* don't collect on status 0 */
+ if (!status_trig->statuses[i].status)
+ break;
+
+ if (status_trig->statuses[i].status != (status & TX_STATUS_MSK))
+ continue;
+
+ iwl_mvm_fw_dbg_collect_trig(mvm, trig,
+ "Tx status %d was received",
+ status & TX_STATUS_MSK);
+ break;
+ }
+}
+
static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
struct iwl_rx_packet *pkt)
{
@@ -784,6 +815,8 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
break;
}
+ iwl_mvm_tx_status_check_trigger(mvm, status);
+
info->status.rates[0].count = tx_resp->failure_frame + 1;
iwl_mvm_hwrate_to_tx_status(le32_to_cpu(tx_resp->initial_rate),
info);