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iwlwifi: mvm: add trigger for firmware dump upon TX response status

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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>
This commit is contained in:
Golan Ben-Ami 2015-09-02 12:34:23 +03:00 committed by Emmanuel Grumbach
parent d1cae0fd22
commit 25657fec94
3 changed files with 49 additions and 0 deletions
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3
drivers/net/wireless/intel/iwlwifi/iwl-fw-error-dump.h
View File

@ -293,6 +293,8 @@ iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
* @FW_DBG_TX_LATENCY: trigger log collection when the tx latency goes above a
* threshold.
* @FW_DBG_TDLS: trigger log collection upon TDLS related events.
* @FW_DBG_TRIGGER_TX_STATUS: trigger log collection upon tx status when
* the firmware sends a tx reply.
*/
enum iwl_fw_dbg_trigger {
FW_DBG_TRIGGER_INVALID = 0,
@ -309,6 +311,7 @@ enum iwl_fw_dbg_trigger {
FW_DBG_TRIGGER_BA,
FW_DBG_TRIGGER_TX_LATENCY,
FW_DBG_TRIGGER_TDLS,
FW_DBG_TRIGGER_TX_STATUS,
/* must be last */
FW_DBG_TRIGGER_MAX,

13
drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h
View File

@ -749,6 +749,19 @@ struct iwl_fw_dbg_trigger_tdls {
u8 reserved[4];
} __packed;
/**
* struct iwl_fw_dbg_trigger_tx_status - configures trigger for tx response
* status.
* @statuses: the list of statuses to trigger the collection on
*/
struct iwl_fw_dbg_trigger_tx_status {
struct tx_status {
u8 status;
u8 reserved[3];
} __packed statuses[16];
__le32 reserved[2];
} __packed;
/**
* struct iwl_fw_dbg_conf_tlv - a TLV that describes a debug configuration.
* @id: conf id

33
drivers/net/wireless/intel/iwlwifi/mvm/tx.c
View File

@ -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);