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| author | Mordechay Goodstein <mordechay.goodstein@intel.com> | 2021-01-31 20:22:04 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-02-05 11:57:43 +0200 |
| commit | 0d65ce900d1166cc57851a84c165667f56e1bc91 (patch) | |
| tree | 63e5d405988a04db034e60270a880320fc40f6c8 /drivers | |
| parent | 1db5c3472b2a6ab2a195547051376982d423c3be (diff) | |
| download | linux-0d65ce900d1166cc57851a84c165667f56e1bc91.tar.gz linux-0d65ce900d1166cc57851a84c165667f56e1bc91.tar.bz2 linux-0d65ce900d1166cc57851a84c165667f56e1bc91.zip | |
iwlwifi: mvm: add tx fail time point
This helps collect on any tx failure fw data to better understand what
went wrong.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210131201908.719de818c09a.I2788e6a4c411aa414eaa67e6b7b21d90ccd9d0c1@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index b102fe116f04..03afced82afa 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -1324,12 +1324,24 @@ static void iwl_mvm_hwrate_to_tx_status(u32 rate_n_flags, } static void iwl_mvm_tx_status_check_trigger(struct iwl_mvm *mvm, - u32 status) + u32 status, __le16 frame_control) { struct iwl_fw_dbg_trigger_tlv *trig; struct iwl_fw_dbg_trigger_tx_status *status_trig; int i; + if ((status & TX_STATUS_MSK) != TX_STATUS_SUCCESS) { + enum iwl_fw_ini_time_point tp = + IWL_FW_INI_TIME_POINT_TX_FAILED; + + if (ieee80211_is_action(frame_control)) + tp = IWL_FW_INI_TIME_POINT_TX_WFD_ACTION_FRAME_FAILED; + + iwl_dbg_tlv_time_point(&mvm->fwrt, + tp, NULL); + return; + } + trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, FW_DBG_TRIGGER_TX_STATUS); if (!trig) @@ -1447,7 +1459,7 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, if (skb_freed > 1) info->flags |= IEEE80211_TX_STAT_ACK; - iwl_mvm_tx_status_check_trigger(mvm, status); + iwl_mvm_tx_status_check_trigger(mvm, status, hdr->frame_control); info->status.rates[0].count = tx_resp->failure_frame + 1; iwl_mvm_hwrate_to_tx_status(le32_to_cpu(tx_resp->initial_rate), @@ -1631,10 +1643,13 @@ static void iwl_mvm_rx_tx_cmd_agg_dbg(struct iwl_mvm *mvm, struct agg_tx_status *frame_status = iwl_mvm_get_agg_status(mvm, tx_resp); int i; + bool tirgger_timepoint = false; for (i = 0; i < tx_resp->frame_count; i++) { u16 fstatus = le16_to_cpu(frame_status[i].status); - + /* In case one frame wasn't transmitted trigger time point */ + tirgger_timepoint |= ((fstatus & AGG_TX_STATE_STATUS_MSK) != + AGG_TX_STATE_TRANSMITTED); IWL_DEBUG_TX_REPLY(mvm, "status %s (0x%04x), try-count (%d) seq (0x%x)\n", iwl_get_agg_tx_status(fstatus), @@ -1643,6 +1658,11 @@ static void iwl_mvm_rx_tx_cmd_agg_dbg(struct iwl_mvm *mvm, AGG_TX_STATE_TRY_CNT_POS, le16_to_cpu(frame_status[i].sequence)); } + + if (tirgger_timepoint) + iwl_dbg_tlv_time_point(&mvm->fwrt, + IWL_FW_INI_TIME_POINT_TX_FAILED, NULL); + } #else static void iwl_mvm_rx_tx_cmd_agg_dbg(struct iwl_mvm *mvm, |