qcacld-3.0: Add support for BSS max idle period feature

Add support to parse the BSS max idle period IE and configure
the idle period to FW if it is present in assoc response frame.

Change-Id: I144f2b1789775461a5df702dee72d0f73b9023cf
CRs-Fixed: 2788542

core/mac/src/cfg/cfgUtil/dot11f.frms

@@ -100,6 +100,7 @@ const EID_20_40_BSS_INTOLERANT_REPORT=  73;
 const EID_OBSS_SCAN_PARAMETERS       =  74;
 const EID_FT_RIC_DESCRIPTOR          =  75;
 const EID_MSCS_STATUS                =  76;
+const EID_BSS_MAX_IDLE_PERIOD        =  90;
 const EID_LINK_IDENTIFIER            = 101;
 const EID_PTI_CONTROL                = 105;
 const EID_PU_BUFFER_STATUS           = 106;
@@ -2381,6 +2382,14 @@ IE PUBufferStatus (EID_PU_BUFFER_STATUS)        // 7.3.2.66
 }
 
 
+IE bss_max_idle_period (EID_BSS_MAX_IDLE_PERIOD)
+{
+    max_idle_period,     2;
+    {
+        prot_keep_alive_reqd: 1;
+        reserved:             7;
+    }
+}
 
 IE VHTCaps (EID_VHT_CAPABILITIES)
 {
@@ -3807,6 +3816,7 @@ FRAME AssocRequest                        // 7.2.3.4
     OPTIE  WAPIOpaque;
     OPTIE  WAPI;
     OPTIE  RRMEnabledCap;
+    OPTIE  bss_max_idle_period;
     OPTIE  QosMapSet;
     OPTIE  ExtCap;
     OPTIE  VHTCaps;
@@ -3847,6 +3857,7 @@ FRAME AssocResponse                       // 7.2.3.5
     OPTIE  MobilityDomain;
     OPTIE  FTInfo;
     OPTIE  RICDataDesc[2];
+    OPTIE  bss_max_idle_period;
     OPTIE  WPA;
     OPTIE  TimeoutInterval;
     OPTIE  HTCaps;
@@ -3896,6 +3907,7 @@ FRAME ReAssocRequest                      // 7.2.3.6
     OPTIE  MobilityDomain;
     OPTIE  FTInfo;
     OPTIE  RICDataDesc[2];
+    OPTIE  bss_max_idle_period;
     OPTIE  SuppOperatingClasses;
     OPTIE  WPAOpaque;
     OPTIE  HTCaps;
@@ -3936,6 +3948,7 @@ FRAME ReAssocResponse                     // 7.2.3.7
     OPTIE  MobilityDomain;
     OPTIE  FTInfo;
     OPTIE  RICDataDesc[2];
+    OPTIE  bss_max_idle_period;
     OPTIE  WPA;
     OPTIE  TimeoutInterval;
     OPTIE  HTCaps;

core/mac/src/include/dot11f.h

@@ -8649,6 +8649,47 @@ uint32_t dot11f_get_packed_ie_bss_color_change(
 }; /* End extern "C". */
 #endif /* C++ */
 
+/* EID 90 (0x5a) */
+typedef struct sDot11fIEbss_max_idle_period {
+	uint8_t             present;
+	uint16_t            max_idle_period;
+	uint8_t prot_keep_alive_reqd:1;
+	uint8_t             reserved:7;
+} tDot11fIEbss_max_idle_period;
+
+#define DOT11F_EID_BSS_MAX_IDLE_PERIOD (90)
+
+/* N.B. These #defines do *not* include the EID & length */
+#define DOT11F_IE_BSS_MAX_IDLE_PERIOD_MIN_LEN (3)
+
+#define DOT11F_IE_BSS_MAX_IDLE_PERIOD_MAX_LEN (3)
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* C++ */
+__must_check uint32_t dot11f_unpack_ie_bss_max_idle_period(
+	tpAniSirGlobal,
+	uint8_t *,
+	uint8_t,
+	tDot11fIEbss_max_idle_period*,
+	bool);
+
+uint32_t dot11f_pack_ie_bss_max_idle_period(
+	tpAniSirGlobal,
+	tDot11fIEbss_max_idle_period *,
+	uint8_t *,
+	uint32_t,
+	uint32_t*);
+
+uint32_t dot11f_get_packed_ie_bss_max_idle_period(
+	tpAniSirGlobal,
+	tDot11fIEbss_max_idle_period *,
+	uint32_t*);
+
+#ifdef __cplusplus
+}; /* End extern "C". */
+#endif /* C++ */
+
 /* EID 255 (0xff) Extended EID 88 (0x58) */
 typedef struct sDot11fIEdecriptor_element {
 	uint8_t                     present;
@@ -10035,6 +10076,7 @@ typedef struct sDot11fAssocRequest{
 	tDot11fIEWAPIOpaque                    WAPIOpaque;
 	tDot11fIEWAPI                          WAPI;
 	tDot11fIERRMEnabledCap                 RRMEnabledCap;
+	tDot11fIEbss_max_idle_period           bss_max_idle_period;
 	tDot11fIEQosMapSet                     QosMapSet;
 	tDot11fIEExtCap                        ExtCap;
 	tDot11fIEVHTCaps                       VHTCaps;
@@ -10095,6 +10137,7 @@ typedef struct sDot11fAssocResponse{
 	tDot11fIEFTInfo                       FTInfo;
 	uint16_t                              num_RICDataDesc;
 	tDot11fIERICDataDesc                  RICDataDesc[2];
+	tDot11fIEbss_max_idle_period          bss_max_idle_period;
 	tDot11fIEWPA                          WPA;
 	tDot11fIETimeoutInterval              TimeoutInterval;
 	tDot11fIEHTCaps                       HTCaps;
@@ -10985,6 +11028,7 @@ typedef struct sDot11fReAssocRequest{
 	tDot11fIEFTInfo                      FTInfo;
 	uint16_t                             num_RICDataDesc;
 	tDot11fIERICDataDesc                 RICDataDesc[2];
+	tDot11fIEbss_max_idle_period         bss_max_idle_period;
 	tDot11fIESuppOperatingClasses        SuppOperatingClasses;
 	tDot11fIEWPAOpaque                   WPAOpaque;
 	tDot11fIEHTCaps                      HTCaps;
@@ -11032,45 +11076,46 @@ uint32_t dot11f_get_packed_re_assoc_request_size(tpAniSirGlobal pCtx,
 #endif /* C++ */
 
 typedef struct sDot11fReAssocResponse{
-	tDot11fFfCapabilities              Capabilities;
-	tDot11fFfStatus                    Status;
-	tDot11fFfAID                       AID;
-	tDot11fIESuppRates                 SuppRates;
-	tDot11fIEExtSuppRates              ExtSuppRates;
-	tDot11fIEEDCAParamSet              EDCAParamSet;
-	tDot11fIERCPIIE                    RCPIIE;
-	tDot11fIERSNIIE                    RSNIIE;
-	tDot11fIERRMEnabledCap             RRMEnabledCap;
-	tDot11fIERSNOpaque                 RSNOpaque;
-	tDot11fIEMobilityDomain            MobilityDomain;
-	tDot11fIEFTInfo                    FTInfo;
-	uint16_t                           num_RICDataDesc;
-	tDot11fIERICDataDesc               RICDataDesc[2];
-	tDot11fIEWPA                       WPA;
-	tDot11fIETimeoutInterval           TimeoutInterval;
-	tDot11fIEHTCaps                    HTCaps;
-	tDot11fIEHTInfo                    HTInfo;
-	tDot11fIEWMMParams                 WMMParams;
-	tDot11fIEESERadMgmtCap             ESERadMgmtCap;
-	tDot11fIEESETrafStrmMet            ESETrafStrmMet;
-	tDot11fIEESETxmitPower             ESETxmitPower;
-	uint16_t                           num_WMMTSPEC;
-	tDot11fIEWMMTSPEC                  WMMTSPEC[4];
-	tDot11fIEESETrafStrmRateSet        ESETrafStrmRateSet;
-	tDot11fIEWscReassocRes             WscReassocRes;
-	tDot11fIEP2PAssocRes               P2PAssocRes;
-	tDot11fIEVHTCaps                   VHTCaps;
-	tDot11fIEVHTOperation              VHTOperation;
-	tDot11fIEExtCap                    ExtCap;
-	tDot11fIEOBSSScanParameters        OBSSScanParameters;
-	tDot11fIEQosMapSet                 QosMapSet;
-	tDot11fIEvendor_vht_ie             vendor_vht_ie;
-	tDot11fIEhe_cap                    he_cap;
-	tDot11fIEhe_op                     he_op;
-	tDot11fIEhe_6ghz_band_cap          he_6ghz_band_cap;
-	tDot11fIEbss_color_change          bss_color_change;
-	tDot11fIEmu_edca_param_set         mu_edca_param_set;
-	tDot11fIEMBO_IE                    MBO_IE;
+	tDot11fFfCapabilities               Capabilities;
+	tDot11fFfStatus                     Status;
+	tDot11fFfAID                        AID;
+	tDot11fIESuppRates                  SuppRates;
+	tDot11fIEExtSuppRates               ExtSuppRates;
+	tDot11fIEEDCAParamSet               EDCAParamSet;
+	tDot11fIERCPIIE                     RCPIIE;
+	tDot11fIERSNIIE                     RSNIIE;
+	tDot11fIERRMEnabledCap              RRMEnabledCap;
+	tDot11fIERSNOpaque                  RSNOpaque;
+	tDot11fIEMobilityDomain             MobilityDomain;
+	tDot11fIEFTInfo                     FTInfo;
+	uint16_t                            num_RICDataDesc;
+	tDot11fIERICDataDesc                RICDataDesc[2];
+	tDot11fIEbss_max_idle_period        bss_max_idle_period;
+	tDot11fIEWPA                        WPA;
+	tDot11fIETimeoutInterval            TimeoutInterval;
+	tDot11fIEHTCaps                     HTCaps;
+	tDot11fIEHTInfo                     HTInfo;
+	tDot11fIEWMMParams                  WMMParams;
+	tDot11fIEESERadMgmtCap              ESERadMgmtCap;
+	tDot11fIEESETrafStrmMet             ESETrafStrmMet;
+	tDot11fIEESETxmitPower              ESETxmitPower;
+	uint16_t                            num_WMMTSPEC;
+	tDot11fIEWMMTSPEC                   WMMTSPEC[4];
+	tDot11fIEESETrafStrmRateSet         ESETrafStrmRateSet;
+	tDot11fIEWscReassocRes              WscReassocRes;
+	tDot11fIEP2PAssocRes                P2PAssocRes;
+	tDot11fIEVHTCaps                    VHTCaps;
+	tDot11fIEVHTOperation               VHTOperation;
+	tDot11fIEExtCap                     ExtCap;
+	tDot11fIEOBSSScanParameters         OBSSScanParameters;
+	tDot11fIEQosMapSet                  QosMapSet;
+	tDot11fIEvendor_vht_ie              vendor_vht_ie;
+	tDot11fIEhe_cap                     he_cap;
+	tDot11fIEhe_op                      he_op;
+	tDot11fIEhe_6ghz_band_cap           he_6ghz_band_cap;
+	tDot11fIEbss_color_change           bss_color_change;
+	tDot11fIEmu_edca_param_set          mu_edca_param_set;
+	tDot11fIEMBO_IE                     MBO_IE;
 } tDot11fReAssocResponse;
 
 #define DOT11F_REASSOCRESPONSE (27)

core/mac/src/include/parser_api.h

@@ -355,6 +355,7 @@ typedef struct sSirAssocReq {
 	tDot11fIEVHTCaps VHTCaps;
 	tDot11fIEOperatingMode operMode;
 	tDot11fIEExtCap ExtCap;
+	tDot11fIEbss_max_idle_period bss_max_idle_period;
 	tDot11fIEvendor_vht_ie vendor_vht_ie;
 	tDot11fIEhs20vendor_ie hs20vendor_ie;
 	tDot11fIEhe_cap he_cap;
@@ -465,6 +466,7 @@ typedef struct sSirAssocRsp {
 	tDot11fIEhe_6ghz_band_cap he_6ghz_band_cap;
 	bool mu_edca_present;
 	tSirMacEdcaParamSetIE mu_edca;
+	tDot11fIEbss_max_idle_period bss_max_idle_period;
 #ifdef WLAN_FEATURE_FILS_SK
 	tDot11fIEfils_session fils_session;
 	tDot11fIEfils_key_confirmation fils_key_auth;

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

@@ -3492,6 +3492,14 @@ QDF_STATUS lim_sta_send_add_bss(struct mac_context *mac, tpSirAssocRsp pAssocRsp
 		lim_add_bss_he_cap(pAddBssParams, pAssocRsp);
 		lim_add_bss_he_cfg(pAddBssParams, pe_session);
 	}
+	if (pAssocRsp->bss_max_idle_period.present) {
+		pAddBssParams->bss_max_idle_period =
+			pAssocRsp->bss_max_idle_period.max_idle_period;
+		pe_debug("bss_max_idle_period %d",
+			 pAddBssParams->bss_max_idle_period);
+	} else {
+		pAddBssParams->bss_max_idle_period = 0;
+	}
 	/*
 	 * Populate the STA-related parameters here
 	 * Note that the STA here refers to the AP

core/mac/src/sys/legacy/src/utils/src/parser_api.c

@@ -2866,6 +2866,11 @@ sir_convert_assoc_req_frame2_struct(struct mac_context *mac,
 	if (ar->qcn_ie.present)
 		qdf_mem_copy(&pAssocReq->qcn_ie, &ar->qcn_ie,
 			     sizeof(tDot11fIEqcn_ie));
+	if (ar->bss_max_idle_period.present) {
+		qdf_mem_copy(&pAssocReq->bss_max_idle_period,
+			     &ar->bss_max_idle_period,
+			     sizeof(tDot11fIEbss_max_idle_period));
+	}
 	if (ar->he_cap.present) {
 		qdf_mem_copy(&pAssocReq->he_cap, &ar->he_cap,
 			     sizeof(tDot11fIEhe_cap));
@@ -3305,6 +3310,13 @@ sir_convert_assoc_resp_frame2_struct(struct mac_context *mac,
 				sizeof(struct ese_tsm_ie));
 	}
 #endif
+	if (ar->bss_max_idle_period.present) {
+		qdf_mem_copy(&pAssocRsp->bss_max_idle_period,
+			     &ar->bss_max_idle_period,
+			     sizeof(tDot11fIEbss_max_idle_period));
+		pe_debug("Rcvd Assoc Rsp with BSS max idle period %d",
+			 pAssocRsp->bss_max_idle_period.max_idle_period);
+	}
 
 	if (ar->VHTCaps.present) {
 		qdf_mem_copy(&pAssocRsp->VHTCaps, &ar->VHTCaps,

core/wma/inc/wma.h

@@ -741,6 +741,7 @@ struct wma_txrx_node {
 	struct sir_roam_scan_stats *roam_scan_stats_req;
 	struct wma_invalid_peer_params invalid_peers[INVALID_PEER_MAX_NUM];
 	uint8_t invalid_peer_idx;
+	uint16_t bss_max_idle_period;
 };
 
 /**

core/wma/inc/wma_if.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -363,6 +363,7 @@ struct bss_params {
 	uint32_t he_sta_obsspd;
 #endif
 	bool no_ptk_4_way;
+	uint16_t bss_max_idle_period;
 };
 
 /**

core/wma/src/wma_dev_if.c

@@ -3413,6 +3413,7 @@ void wma_remove_req(tp_wma_handle wma, uint8_t vdev_id,
  * @shortSlotTimeSupported: short slot time
  * @llbCoexist: llbCoexist
  * @maxTxPower: max tx power
+ * @bss_max_idle_period: BSS max idle period
  *
  * Return: none
  */
@@ -3420,7 +3421,8 @@ static void
 wma_vdev_set_bss_params(tp_wma_handle wma, int vdev_id,
 			tSirMacBeaconInterval beaconInterval,
 			uint8_t dtimPeriod, uint8_t shortSlotTimeSupported,
-			uint8_t llbCoexist, int8_t maxTxPower)
+			uint8_t llbCoexist, int8_t maxTxPower,
+			uint16_t bss_max_idle_period)
 {
 	QDF_STATUS ret;
 	uint32_t slot_time;
@@ -3475,6 +3477,13 @@ wma_vdev_set_bss_params(tp_wma_handle wma, int vdev_id,
 	/* Initialize protection mode in case of coexistence */
 	wma_update_protection_mode(wma, vdev_id, llbCoexist);
 
+	if (bss_max_idle_period)
+		wma_set_sta_keep_alive(
+				wma, vdev_id,
+				SIR_KEEP_ALIVE_NULL_PKT,
+				bss_max_idle_period,
+				NULL, NULL, NULL);
+
 }
 
 #ifdef WLAN_FEATURE_11W
@@ -3636,7 +3645,7 @@ QDF_STATUS wma_post_vdev_start_setup(uint8_t vdev_id)
 				mlme_obj->proto.generic.dtim_period,
 				mlme_obj->proto.generic.slot_time,
 				mlme_obj->proto.generic.protection_mode,
-				bss_power);
+				bss_power, 0);
 
 	wma_vdev_set_he_bss_params(wma, vdev_id,
 				   &mlme_obj->proto.he_ops_info);
@@ -3669,6 +3678,7 @@ static QDF_STATUS wma_update_iface_params(tp_wma_handle wma,
 	iface->llbCoexist = add_bss->llbCoexist;
 	iface->shortSlotTimeSupported = add_bss->shortSlotTimeSupported;
 	iface->nwType = add_bss->nwType;
+	iface->bss_max_idle_period = add_bss->bss_max_idle_period;
 
 	return QDF_STATUS_SUCCESS;
 }
@@ -3927,7 +3937,8 @@ QDF_STATUS wma_send_peer_assoc_req(struct bss_params *add_bss)
 				add_bss->dtimPeriod,
 				add_bss->shortSlotTimeSupported,
 				add_bss->llbCoexist,
-				add_bss->maxTxPower);
+				add_bss->maxTxPower,
+				add_bss->bss_max_idle_period);
 
 	mlme_obj = wlan_vdev_mlme_get_cmpt_obj(iface->vdev);
 	if (!mlme_obj) {
@@ -4449,7 +4460,8 @@ static void wma_add_sta_req_sta_mode(tp_wma_handle wma, tpAddStaParams params)
 	wma_vdev_set_bss_params(wma, params->smesessionId,
 				iface->beaconInterval, iface->dtimPeriod,
 				iface->shortSlotTimeSupported,
-				iface->llbCoexist, maxTxPower);
+				iface->llbCoexist, maxTxPower,
+				iface->bss_max_idle_period);
 
 	params->csaOffloadEnable = 0;
 	if (wmi_service_enabled(wma->wmi_handle,

core/wma/src/wma_mgmt.c

@@ -798,10 +798,12 @@ void wma_set_sta_keep_alive(tp_wma_handle wma, uint8_t vdev_id,
 			    uint8_t *destmac)
 {
 	struct sta_keep_alive_params params = { 0 };
+	struct wma_txrx_node *intr;
 
 	if (wma_validate_handle(wma))
 		return;
 
+	intr = &wma->interfaces[vdev_id];
 	if (timeperiod > cfg_max(CFG_INFRA_STA_KEEP_ALIVE_PERIOD)) {
 		wmi_err("Invalid period %d Max limit %d", timeperiod,
 			 cfg_max(CFG_INFRA_STA_KEEP_ALIVE_PERIOD));
@@ -811,6 +813,11 @@ void wma_set_sta_keep_alive(tp_wma_handle wma, uint8_t vdev_id,
 	params.vdev_id = vdev_id;
 	params.method = method;
 	params.timeperiod = timeperiod;
+	if (intr) {
+		if (intr->bss_max_idle_period)
+			params.timeperiod = intr->bss_max_idle_period;
+	}
+
 	if (hostv4addr)
 		qdf_mem_copy(params.hostv4addr, hostv4addr, QDF_IPV4_ADDR_SIZE);
 	if (destv4addr)