qcacld-3.0: Add support for deauth retry for STA

Add support to retry the deauth frame if the Tx is not success if
user configured the retry count.

Change-Id: Id128b4a70a276ee86270372ff7954e40bde8123c
CRs-Fixed: 2754305

components/mlme/core/src/wlan_mlme_main.c

@@ -1389,6 +1389,7 @@ static void mlme_init_sta_cfg(struct wlan_objmgr_psoc *psoc,
 		cfg_get(psoc, CFG_QCN_IE_SUPPORT);
 	sta->fils_max_chan_guard_time =
 		cfg_get(psoc, CFG_FILS_MAX_CHAN_GUARD_TIME);
+	sta->deauth_retry_cnt = cfg_get(psoc, CFG_DEAUTH_RETRY_CNT);
 	sta->single_tid =
 		cfg_get(psoc, CFG_SINGLE_TID_RC);
 	sta->sta_miracast_mcc_rest_time =

components/mlme/dispatcher/inc/cfg_mlme_sta.h

@@ -193,6 +193,31 @@
 	0, \
 	"send deauth before connection")
 
+/*
+ * <ini>
+ * deauth_retry_cnt- No. of deauth retries if the Tx is failed
+ * @Min: 0
+ * @Max: 4
+ * @Default: 2
+ *
+ * This ini is used to set retry deauth if Tx is not success.
+ *
+ * Related: None
+ *
+ * Supported Feature: STA
+ *
+ * Usage: Internal/External
+ *
+ * </ini>
+ */
+#define CFG_DEAUTH_RETRY_CNT CFG_INI_UINT( \
+	"deauth_retry_cnt", \
+	0, \
+	4, \
+	2, \
+	CFG_VALUE_OR_DEFAULT, \
+	"Set Deauth retry count")
+
 /*
  * <ini>
  * gDot11PMode - 802.11p mode
@@ -441,6 +466,7 @@
 	CFG(CFG_PPS_ENABLE_5G_EBT) \
 	CFG(CFG_ENABLE_DEAUTH_BEFORE_CONNECTION) \
 	CFG(CFG_DOT11P_MODE) \
+	CFG(CFG_DEAUTH_RETRY_CNT) \
 	CFG(CFG_ENABLE_GO_CTS2SELF_FOR_STA) \
 	CFG(CFG_QCN_IE_SUPPORT) \
 	CFG(CFG_STA_MCAST_MCC_REST_TIME) \

components/mlme/dispatcher/inc/wlan_mlme_public_struct.h

@@ -1331,6 +1331,7 @@ enum station_keepalive_method {
  * @dot11p_mode:                    Set 802.11p mode
  * @fils_max_chan_guard_time:       Set maximum channel guard time
  * @current_rssi:                   Current rssi
+ * @deauth_retry_cnt:               Deauth retry count
  * @ignore_peer_erp_info:           Ignore peer infrormation
  * @sta_prefer_80mhz_over_160mhz:   Set Sta preference to connect in 80HZ/160HZ
  * @enable_5g_ebt:                  Set default 5G early beacon termination
@@ -1351,6 +1352,7 @@ struct wlan_mlme_sta_cfg {
 	enum dot11p_mode dot11p_mode;
 	uint8_t fils_max_chan_guard_time;
 	uint8_t current_rssi;
+	uint8_t deauth_retry_cnt;
 	bool ignore_peer_erp_info;
 	bool sta_prefer_80mhz_over_160mhz;
 	bool enable_5g_ebt;

core/mac/inc/sir_api.h

@@ -1366,6 +1366,18 @@ struct deauth_req {
 	uint16_t reasonCode;
 };
 
+/**
+ * struct deauth_retry_params - deauth retry params
+ * @peer_mac: peer mac
+ * @reason_code: reason for disconnect indication
+ * @retry_cnt: retry count
+ */
+struct deauth_retry_params {
+	struct qdf_mac_addr peer_macaddr;
+	uint16_t reason_code;
+	uint8_t retry_cnt;
+};
+
 /* / Definition for Deauthetication response */
 struct deauth_rsp {
 	uint16_t messageType;   /* eWNI_SME_DEAUTH_RSP */

core/mac/src/pe/include/lim_session.h

@@ -539,6 +539,7 @@ struct pe_session {
 	uint8_t bss_color_changing;
 #endif
 #endif
+	struct deauth_retry_params deauth_retry;
 	bool enable_bcast_probe_rsp;
 	uint8_t ht_client_cnt;
 	bool force_24ghz_in_ht20;

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

@@ -3220,6 +3220,10 @@ static QDF_STATUS lim_deauth_tx_complete_cnf_handler(void *context,
 	struct mac_context *mac_ctx = (struct mac_context *)context;
 	QDF_STATUS status_code;
 	struct scheduler_msg msg = {0};
+	tLimMlmDeauthReq *deauth_req;
+	struct pe_session *session = NULL;
+
+	deauth_req = mac_ctx->lim.limDisassocDeauthCnfReq.pMlmDeauthReq;
 
 	pe_debug("tx_complete = %s tx_success = %d",
 		(tx_success == WMI_MGMT_TX_COMP_TYPE_COMPLETE_OK) ?
@@ -3227,6 +3231,22 @@ static QDF_STATUS lim_deauth_tx_complete_cnf_handler(void *context,
 
 	if (buf)
 		qdf_nbuf_free(buf);
+	if (deauth_req)
+		session = pe_find_session_by_session_id(mac_ctx,
+				deauth_req->sessionId);
+	if (tx_success != WMI_MGMT_TX_COMP_TYPE_COMPLETE_OK && session &&
+	    session->deauth_retry.retry_cnt) {
+		if (tx_timer_running(
+			&mac_ctx->lim.lim_timers.gLimDeauthAckTimer))
+			lim_deactivate_and_change_timer(mac_ctx,
+							eLIM_DEAUTH_ACK_TIMER);
+		lim_send_deauth_mgmt_frame(mac_ctx,
+				session->deauth_retry.reason_code,
+				session->deauth_retry.peer_macaddr.bytes,
+				session, true);
+		session->deauth_retry.retry_cnt--;
+		return QDF_STATUS_SUCCESS;
+	}
 	msg.type = (uint16_t) WMA_DEAUTH_TX_COMP;
 	msg.bodyptr = params;
 	msg.bodyval = tx_success;
@@ -3594,6 +3614,15 @@ lim_send_deauth_mgmt_frame(struct mac_context *mac,
 		lim_diag_mgmt_tx_event_report(mac, pMacHdr,
 					      pe_session,
 					      QDF_STATUS_SUCCESS, QDF_STATUS_SUCCESS);
+		if (pe_session->opmode == QDF_STA_MODE &&
+		    mac->mlme_cfg->sta.deauth_retry_cnt &&
+		    !pe_session->deauth_retry.retry_cnt) {
+			pe_session->deauth_retry.retry_cnt =
+				mac->mlme_cfg->sta.deauth_retry_cnt;
+			pe_session->deauth_retry.reason_code = nReason;
+			qdf_mem_copy(pe_session->deauth_retry.peer_macaddr.bytes,
+					 peer, QDF_MAC_ADDR_SIZE);
+		}
 		/* Queue Disassociation frame in high priority WQ */
 		qdf_status =
 			wma_tx_frameWithTxComplete(mac, pPacket, (uint16_t) nBytes,