iwlwifi: mvm: capture connection loss as part of MLME trigger

[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / utils.c

diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c
index 593a810fe53ed056736c0ed63b5aca743426c156..bc55a8b82db6d88ad42ef1151e0c5c53c2cbf64c 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/iwlwifi/mvm/utils.c
@@ -122,7 +122,7 @@ int iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 }
 
 /*
- * We assume that the caller set the status to the sucess value
+ * We assume that the caller set the status to the success value
  */
 int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd,
                            u32 *status)
@@ -737,7 +737,7 @@ int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init)
 }
 
 /**
- * iwl_mvm_update_smps - Get a requst to change the SMPS mode
+ * iwl_mvm_update_smps - Get a request to change the SMPS mode
  * @req_type: The part of the driver who call for a change.
  * @smps_requests: The request to change the SMPS mode.
  *
@@ -965,3 +965,27 @@ unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
                return mvm->cfg->base_params->wd_timeout;
        }
 }
+
+void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+                            const char *errmsg)
+{
+       struct iwl_fw_dbg_trigger_tlv *trig;
+       struct iwl_fw_dbg_trigger_mlme *trig_mlme;
+
+       if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
+               goto out;
+
+       trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
+       trig_mlme = (void *)trig->data;
+       if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trig))
+               goto out;
+
+       if (trig_mlme->stop_connection_loss &&
+           --trig_mlme->stop_connection_loss)
+               goto out;
+
+       iwl_mvm_fw_dbg_collect_trig(mvm, trig, "%s", errmsg);
+
+out:
+       ieee80211_connection_loss(vif);
+}