iwlwifi: queue: add fake tx time point

In case we get TX sequence number out of range, trigger fake tx time
point to collect FW debug data.

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.20210210142629.e098026e83ad.I8870fcbc504a74cab6a50134b3df1131d6da946d@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

diff --git a/drivers/net/wireless/intel/iwlwifi/queue/tx.c b/drivers/net/wireless/intel/iwlwifi/queue/tx.c
index 3cac83b..833f43d 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/queue/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/queue/tx.c
@@ -1577,6 +1577,10 @@ void iwl_txq_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
                        __func__, txq_id, last_to_free,
                        trans->trans_cfg->base_params->max_tfd_queue_size,
                        txq->write_ptr, txq->read_ptr);
+
+               iwl_op_mode_time_point(trans->op_mode,
+                                      IWL_FW_INI_TIME_POINT_FAKE_TX,
+                                      NULL);
                goto out;
        }