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Commit ece9151f authored by Surya Prakash Sivaraj's avatar Surya Prakash Sivaraj Committed by Madan Koyyalamudi
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qcacld-3.0: Notify the failure to firmware if SAE auth retries exhausted 

Currently during SAE roaming, if the DUT exhaust SAE retries
(i.e. DUT doesn't receive SAE auth confirm/commit response even
after max retries), host driver stops retrying and cleans up the
internal counters/frame. But, the failure is not notified to firmware.
So, firmware may go out of sync. Therefore, Notify the failure to
firmware through WMA_ROAM_PRE_AUTH_STATUS in such cases. So that,
firmware can abort roaming.

Change-Id: Ic769dcabc15c1052f5d7d43f3ef754dd7b7c1f40
CRs-Fixed: 2981666
parent 3e147542

core/mac/src/pe/lim/lim_process_mlm_req_messages.c

+42 −1
Original line number Diff line number Diff line
@@ -1650,10 +1650,41 @@ static void lim_process_periodic_join_probe_req_timer(struct mac_context *mac_ct 
	}

}



static void lim_send_pre_auth_failure(uint8_t vdev_id, tSirMacAddr bssid)

{

	struct scheduler_msg sch_msg = {0};

	struct wmi_roam_auth_status_params *params;

	QDF_STATUS status = QDF_STATUS_SUCCESS;



	params = qdf_mem_malloc(sizeof(*params));

	if (!params)

		return;



	params->vdev_id = vdev_id;

	params->preauth_status = STATUS_UNSPECIFIED_FAILURE;

	qdf_mem_copy(params->bssid.bytes, bssid, QDF_MAC_ADDR_SIZE);

	qdf_mem_zero(params->pmkid, PMKID_LEN);



	sch_msg.type = WMA_ROAM_PRE_AUTH_STATUS;

	sch_msg.bodyptr = params;

	pe_debug("Sending pre auth failure for mac_addr " QDF_MAC_ADDR_FMT,

		 QDF_MAC_ADDR_REF(params->bssid.bytes));



	status = scheduler_post_message(QDF_MODULE_ID_PE,

					QDF_MODULE_ID_WMA,

					QDF_MODULE_ID_WMA,

					&sch_msg);

	if (QDF_IS_STATUS_ERROR(status)) {

		pe_err("Sending preauth status failed");

		qdf_mem_free(params);

	}

}



static void lim_handle_sae_auth_timeout(struct mac_context *mac_ctx,

					struct pe_session *session_entry)

{

	struct sae_auth_retry *sae_retry;

	tpSirMacMgmtHdr mac_hdr;



	sae_retry = mlme_get_sae_auth_retry(session_entry->vdev);

	if (!(sae_retry && sae_retry->sae_auth.data)) {
@@ -1662,6 +1693,16 @@ static void lim_handle_sae_auth_timeout(struct mac_context *mac_ctx, 
		return;

	}



	if (!sae_retry->sae_auth_max_retry) {

		if (MLME_IS_ROAMING_IN_PROG(mac_ctx->psoc,

					    session_entry->vdev_id)) {

			mac_hdr = (tpSirMacMgmtHdr)sae_retry->sae_auth.data;

			lim_send_pre_auth_failure(session_entry->vdev_id,

						  mac_hdr->bssId);

		}

		goto free_and_deactivate_timer;

	}



	pe_debug("retry sae auth for seq num %d vdev id %d",

		 mac_ctx->mgmtSeqNum, session_entry->vdev_id);

	lim_send_frame(mac_ctx, session_entry->vdev_id,
@@ -1669,7 +1710,7 @@ static void lim_handle_sae_auth_timeout(struct mac_context *mac_ctx, 


	sae_retry->sae_auth_max_retry--;

	/* Activate Auth Retry timer if max_retries are not done */

	if (!sae_retry->sae_auth_max_retry || (tx_timer_activate(

	if ((tx_timer_activate(

	    &mac_ctx->lim.lim_timers.g_lim_periodic_auth_retry_timer) !=

	    TX_SUCCESS))

		goto free_and_deactivate_timer;