qcacld-3.0: Fix incorrect phymode in 6GHz connection

Add support to parse 6GHz operation information from AP beacon for
connection.

Change-Id: I67d167cd982163e28b3bbe7dc81747d8289a1513
CRs-Fixed: 2567849

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

@@ -1761,6 +1761,8 @@ QDF_STATUS lim_populate_peer_rate_set(struct mac_context *mac,
 	tSirMacRateSet tempRateSet2;
 	uint32_t i, j, val, min, isArate = 0;
 	qdf_size_t val_len;
+	uint8_t aRateIndex = 0;
+	uint8_t bRateIndex = 0;
 
 	/* copy operational rate set from pe_session */
 	if (pe_session->rateSet.numRates <= WLAN_SUPPORTED_RATES_IE_MAX_LEN) {
@@ -1806,42 +1808,31 @@ QDF_STATUS lim_populate_peer_rate_set(struct mac_context *mac,
 	 * Sort rates in tempRateSet (they are likely to be already sorted)
 	 * put the result in pSupportedRates
 	 */
-	{
-		uint8_t aRateIndex = 0;
-		uint8_t bRateIndex = 0;
 
-		qdf_mem_zero(pRates, sizeof(*pRates));
-		for (i = 0; i < tempRateSet.numRates; i++) {
-			min = 0;
-			val = 0xff;
-			isArate = 0;
-			for (j = 0;
-			     (j < tempRateSet.numRates)
-			     && (j < WLAN_SUPPORTED_RATES_IE_MAX_LEN); j++) {
-				if ((uint32_t) (tempRateSet.rate[j] & 0x7f) <
-				    val) {
-					val = tempRateSet.rate[j] & 0x7f;
-					min = j;
-				}
+	qdf_mem_zero(pRates, sizeof(*pRates));
+	for (i = 0; i < tempRateSet.numRates; i++) {
+		min = 0;
+		val = 0xff;
+		isArate = 0;
+		for (j = 0; (j < tempRateSet.numRates) &&
+		     (j < WLAN_SUPPORTED_RATES_IE_MAX_LEN); j++) {
+			if ((uint32_t)(tempRateSet.rate[j] & 0x7f) <
+					val) {
+				val = tempRateSet.rate[j] & 0x7f;
+				min = j;
 			}
-			if (sirIsArate(tempRateSet.rate[min] & 0x7f))
-				isArate = 1;
-			/*
-			 * HAL needs to know whether the rate is basic rate or not, as it needs to
-			 * update the response rate table accordingly. e.g. if one of the 11a rates is
-			 * basic rate, then that rate can be used for sending control frames.
-			 * HAL updates the response rate table whenever basic rate set is changed.
-			 */
-			if (basicOnly) {
-				if (tempRateSet.rate[min] & 0x80) {
-					if (isArate)
-						pRates->llaRates[aRateIndex++] =
-							tempRateSet.rate[min];
-					else
-						pRates->llbRates[bRateIndex++] =
-							tempRateSet.rate[min];
-				}
-			} else {
+		}
+		if (sirIsArate(tempRateSet.rate[min] & 0x7f))
+			isArate = 1;
+		/*
+		 * HAL needs to know whether the rate is basic rate or not,
+		 * as it needs to update the response rate table accordingly.
+		 * e.g. if one of the 11a rates is basic rate, then that rate
+		 * can be used for sending control frames. HAL updates the
+		 * response rate table whenever basic rate set is changed.
+		 */
+		if (basicOnly) {
+			if (tempRateSet.rate[min] & 0x80) {
 				if (isArate)
 					pRates->llaRates[aRateIndex++] =
 						tempRateSet.rate[min];
@@ -1849,11 +1840,19 @@ QDF_STATUS lim_populate_peer_rate_set(struct mac_context *mac,
 					pRates->llbRates[bRateIndex++] =
 						tempRateSet.rate[min];
 			}
-			tempRateSet.rate[min] = 0xff;
+		} else {
+			if (isArate)
+				pRates->llaRates[aRateIndex++] =
+					tempRateSet.rate[min];
+			else
+				pRates->llbRates[bRateIndex++] =
+					tempRateSet.rate[min];
 		}
+		tempRateSet.rate[min] = 0xff;
 	}
 
-	if (IS_DOT11_MODE_HT(pe_session->dot11mode)) {
+	if (IS_DOT11_MODE_HT(pe_session->dot11mode) &&
+	    !lim_is_he_6ghz_band(pe_session)) {
 		val_len = SIZE_OF_SUPPORTED_MCS_SET;
 		if (wlan_mlme_get_cfg_str(
 			pRates->supportedMCSSet,
@@ -3667,6 +3666,8 @@ QDF_STATUS lim_sta_send_add_bss(struct mac_context *mac, tpSirAssocRsp pAssocRsp
 			(pAssocRsp->he_cap.present)) {
 		lim_add_bss_he_cap(pAddBssParams, pAssocRsp);
 		lim_add_bss_he_cfg(pAddBssParams, pe_session);
+		lim_update_he_6gop_assoc_resp(pAddBssParams, &pAssocRsp->he_op,
+					      pe_session);
 	}
 	/*
 	 * Populate the STA-related parameters here
@@ -3876,6 +3877,16 @@ QDF_STATUS lim_sta_send_add_bss(struct mac_context *mac, tpSirAssocRsp pAssocRsp
 				pAddBssParams->staContext.htLdpcCapable,
 				pAddBssParams->staContext.vhtLdpcCapable);
 	}
+	if (lim_is_he_6ghz_band(pe_session)) {
+		if (lim_is_session_he_capable(pe_session) &&
+		    pAssocRsp->he_cap.present) {
+			lim_intersect_ap_he_caps(pe_session,
+						 pAddBssParams,
+						 NULL,
+						 pAssocRsp);
+			lim_update_he_stbc_capable(&pAddBssParams->staContext);
+		}
+	}
 	pAddBssParams->staContext.smesessionId =
 		pe_session->smeSessionId;
 	pAddBssParams->staContext.wpa_rsn = pBeaconStruct->rsnPresent;

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

@@ -519,9 +519,20 @@ lim_handle_assoc_reject_status(struct mac_context *mac_ctx,
  * Return: nss advertised by AP in beacon
  */
 static uint8_t lim_get_nss_supported_by_ap(tDot11fIEVHTCaps *vht_caps,
-					   tDot11fIEHTCaps *ht_caps)
+					   tDot11fIEHTCaps *ht_caps,
+					   tDot11fIEhe_cap *he_caps)
 {
-	if (vht_caps->present) {
+
+	if (he_caps->present) {
+		if ((he_caps->rx_he_mcs_map_lt_80 & 0xC0) != 0xC0)
+			return NSS_4x4_MODE;
+
+		if ((he_caps->rx_he_mcs_map_lt_80 & 0x30) != 0x30)
+			return NSS_3x3_MODE;
+
+		if ((he_caps->rx_he_mcs_map_lt_80 & 0x0C) != 0x0C)
+			return NSS_2x2_MODE;
+	} else if (vht_caps->present) {
 		if ((vht_caps->rxMCSMap & 0xC0) != 0xC0)
 			return NSS_4x4_MODE;
 
@@ -859,7 +870,8 @@ lim_process_assoc_rsp_frame(struct mac_context *mac_ctx,
 			       QDF_STATUS_SUCCESS), assoc_rsp->status_code);
 
 	ap_nss = lim_get_nss_supported_by_ap(&assoc_rsp->VHTCaps,
-					     &assoc_rsp->HTCaps);
+					     &assoc_rsp->HTCaps,
+					     &assoc_rsp->he_cap);
 
 	if (subtype == LIM_REASSOC) {
 		pe_debug("Successfully Reassociated with BSS");

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

@@ -772,6 +772,7 @@ __lim_handle_sme_start_bss_request(struct mac_context *mac_ctx, uint32_t *msg_bu
 				sme_start_bss_req->center_freq_seg0;
 			session->ch_center_freq_seg1 =
 				sme_start_bss_req->center_freq_seg1;
+			lim_update_he_bw_cap_mcs(session);
 		}
 
 		pe_debug("vht su tx bformer %d",

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

@@ -102,11 +102,61 @@ static inline void get_ese_version_ie_probe_response(struct mac_context *mac_ctx
 static void lim_extract_he_op(struct pe_session *session,
 		tSirProbeRespBeacon *beacon_struct)
 {
-	if (session->he_capable && beacon_struct->he_op.present) {
-		qdf_mem_copy(&session->he_op, &beacon_struct->he_op,
-				sizeof(session->he_op));
-		pe_debug("he_op.bss_color %d", session->he_op.bss_color);
-		pe_debug("he_op.default_pe %d", session->he_op.default_pe);
+	uint8_t fw_vht_ch_wd;
+	uint8_t ap_bcon_ch_width;
+	uint8_t center_freq_diff;
+
+	if (!session->he_capable)
+		return;
+	if (!beacon_struct->he_op.present) {
+		pe_debug("HE op not present in beacon");
+		return;
+	}
+	qdf_mem_copy(&session->he_op, &beacon_struct->he_op,
+			sizeof(session->he_op));
+	pe_debug("he_op.bss_color %d", session->he_op.bss_color);
+	pe_debug("he_op.default_pe %d", session->he_op.default_pe);
+	if (!session->he_6ghz_band)
+		return;
+	if (!session->he_op.oper_info_6g_present) {
+		pe_debug("6GHz op not present in 6G beacon");
+		return;
+	}
+	session->ch_width = session->he_op.oper_info_6g.info.ch_width;
+	session->ch_center_freq_seg0 =
+		session->he_op.oper_info_6g.info.center_freq_seg0;
+	session->ch_center_freq_seg1 =
+		session->he_op.oper_info_6g.info.center_freq_seg1;
+
+	pe_debug("6G op info: ch_wd %d cntr_freq_seg0 %d cntr_freq_seg1 %d",
+		 session->ch_width, session->ch_center_freq_seg0,
+		 session->ch_center_freq_seg1);
+
+	if (!session->ch_center_freq_seg1)
+		return;
+
+	fw_vht_ch_wd = wma_get_vht_ch_width();
+	if (fw_vht_ch_wd <= WNI_CFG_VHT_CHANNEL_WIDTH_80MHZ) {
+		session->ch_width = CH_WIDTH_80MHZ;
+		session->ch_center_freq_seg1 = 0;
+		return;
+	}
+	center_freq_diff = abs(session->ch_center_freq_seg1 -
+			       session->ch_center_freq_seg0);
+	if (center_freq_diff == 8) {
+		ap_bcon_ch_width = CH_WIDTH_160MHZ;
+	} else if (center_freq_diff > 16) {
+		ap_bcon_ch_width = CH_WIDTH_80P80MHZ;
+	} else {
+		session->ch_width = CH_WIDTH_80MHZ;
+		session->ch_center_freq_seg1 = 0;
+		return;
+	}
+
+	if ((ap_bcon_ch_width == CH_WIDTH_80P80MHZ) &&
+	    (fw_vht_ch_wd != WNI_CFG_VHT_CHANNEL_WIDTH_80_PLUS_80MHZ)) {
+		session->ch_width = CH_WIDTH_80MHZ;
+		session->ch_center_freq_seg1 = 0;
 	}
 }
 
@@ -151,7 +201,7 @@ static void lim_check_he_ldpc_cap(struct pe_session *session,
 	}
 }
 
-static void lim_update_he_bw_cap_mcs(struct pe_session *session)
+void lim_update_he_bw_cap_mcs(struct pe_session *session)
 {
 	if (!session->he_capable)
 		return;
@@ -192,9 +242,6 @@ static inline void lim_extract_he_op(struct pe_session *session,
 static void lim_check_he_ldpc_cap(struct pe_session *session,
 		tSirProbeRespBeacon *beacon_struct)
 {}
-
-static void lim_update_he_bw_cap_mcs(struct pe_session *session)
-{}
 #endif
 
 void lim_objmgr_update_vdev_nss(struct wlan_objmgr_psoc *psoc,

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

@@ -6718,6 +6718,27 @@ void lim_add_bss_he_cfg(struct bss_params *add_bss, struct pe_session *session)
 	add_bss->he_sta_obsspd = session->he_sta_obsspd;
 }
 
+void lim_update_he_6gop_assoc_resp(struct bss_params *pAddBssParams,
+				   tDot11fIEhe_op *he_op,
+				   struct pe_session *pe_session)
+{
+	if (!pe_session->he_6ghz_band)
+		return;
+
+	if (!he_op->oper_info_6g_present) {
+		pe_debug("6G operation info not present in beacon");
+		return;
+	}
+	if (!pe_session->ch_width)
+		return;
+
+	pAddBssParams->ch_width = QDF_MIN(he_op->oper_info_6g.info.ch_width,
+					  pe_session->ch_width);
+
+	if (pAddBssParams->ch_width == CH_WIDTH_160MHZ)
+		pAddBssParams->ch_width = pe_session->ch_width;
+}
+
 void lim_update_stads_he_caps(tpDphHashNode sta_ds, tpSirAssocRsp assoc_rsp,
 			      struct pe_session *session_entry)
 {

core/mac/src/pe/lim/lim_utils.h

@@ -1029,6 +1029,17 @@ void lim_add_bss_he_cfg(struct bss_params *add_bss, struct pe_session *session);
 void lim_copy_bss_he_cap(struct pe_session *session,
 			 struct start_bss_req *sme_start_bss_req);
 
+/**
+ * lim_update_he_6gop_assoc_resp() - Update HE 6GHz op info to BSS params
+ * @add_bss: pointer to add bss params
+ * @he_op: Pointer to HE operation info IE
+ * @session: Pointer to Session entry struct
+ *
+ * Return: None
+ */
+void lim_update_he_6gop_assoc_resp(struct bss_params *pAddBssParams,
+				   tDot11fIEhe_op *he_op,
+				   struct pe_session *pe_session);
 /**
  * lim_copy_join_req_he_cap() - Copy HE capability to PE session from Join req
  * and update as per bandwidth supported
@@ -1143,6 +1154,19 @@ static inline bool lim_is_session_he_capable(struct pe_session *session)
 	return session->he_capable;
 }
 
+/**
+ * lim_update_he_bw_cap_mcs(): Update he mcs map per bandwidth
+ * @session_entry: pointer to PE session
+ *
+ * Return: None
+ */
+void lim_update_he_bw_cap_mcs(struct pe_session *session);
+
+static inline bool lim_is_he_6ghz_band(struct pe_session *session)
+{
+	return session->he_6ghz_band;
+}
+
 /**
  * lim_get_session_he_frag_cap(): Get session HE fragmentation cap
  * @session: pointer to session
@@ -1252,6 +1276,13 @@ static inline void lim_add_bss_he_cfg(struct bss_params *add_bss,
 {
 }
 
+static inline void lim_update_he_6gop_assoc_resp(
+					struct bss_params *pAddBssParams,
+					tDot11fIEhe_op *he_op,
+					struct pe_session *pe_session)
+{
+}
+
 static inline void lim_intersect_ap_he_caps(struct pe_session *session,
 		struct bss_params *add_bss,	tSchBeaconStruct *pBeaconStruct,
 		tpSirAssocRsp assoc_rsp)
@@ -1313,6 +1344,15 @@ static inline bool lim_is_session_he_capable(struct pe_session *session)
 	return false;
 }
 
+static inline void lim_update_he_bw_cap_mcs(struct pe_session *session)
+{
+}
+
+static inline bool lim_is_he_6ghz_band(struct pe_session *session)
+{
+	return false;
+}
+
 static inline uint8_t lim_get_session_he_frag_cap(struct pe_session *session)
 {
 	return 0;

core/sme/src/csr/csr_api_roam.c

@@ -15423,34 +15423,45 @@ static inline void csr_update_sae_config(struct join_req *csr_join_req,
  */
 static uint8_t csr_get_nss_supported_by_sta_and_ap(tDot11fIEVHTCaps *vht_caps,
 						   tDot11fIEHTCaps *ht_caps,
+						   tDot11fIEhe_cap *he_cap,
 						   uint32_t dot11_mode)
 {
-	bool vht_capability, ht_capability;
+	bool vht_capability, ht_capability, he_capability;
 
 	vht_capability = IS_DOT11_MODE_VHT(dot11_mode);
 	ht_capability = IS_DOT11_MODE_HT(dot11_mode);
+	he_capability = IS_DOT11_MODE_HE(dot11_mode);
 
-	if (vht_capability && vht_caps->present) {
+	if (he_capability && he_cap->present) {
+		if ((he_cap->rx_he_mcs_map_lt_80 & 0xC0) != 0xC0)
+			return NSS_4x4_MODE;
+
+		if ((he_cap->rx_he_mcs_map_lt_80 & 0x30) != 0x30)
+			return NSS_3x3_MODE;
+
+		if ((he_cap->rx_he_mcs_map_lt_80 & 0x0C) != 0x0C)
+			return NSS_2x2_MODE;
+	} else if (vht_capability && vht_caps->present) {
 		if ((vht_caps->rxMCSMap & 0xC0) != 0xC0)
-			return 4;
+			return NSS_4x4_MODE;
 
 		if ((vht_caps->rxMCSMap & 0x30) != 0x30)
-			return 3;
+			return NSS_3x3_MODE;
 
 		if ((vht_caps->rxMCSMap & 0x0C) != 0x0C)
-			return 2;
+			return NSS_2x2_MODE;
 	} else if (ht_capability && ht_caps->present) {
 		if (ht_caps->supportedMCSSet[3])
-			return 4;
+			return NSS_4x4_MODE;
 
 		if (ht_caps->supportedMCSSet[2])
-			return 3;
+			return NSS_3x3_MODE;
 
 		if (ht_caps->supportedMCSSet[1])
-			return 2;
+			return NSS_2x2_MODE;
 	}
 
-	return 1;
+	return NSS_1x1_MODE;
 }
 
 /**
@@ -15785,7 +15796,7 @@ QDF_STATUS csr_send_join_req_msg(struct mac_context *mac, uint32_t sessionId,
 		vendor_ap_search_attr.mac_addr = &pBssDescription->bssId[0];
 		vendor_ap_search_attr.nss = csr_get_nss_supported_by_sta_and_ap(
 						&pIes->VHTCaps, &pIes->HTCaps,
-						dot11mode);
+						&pIes->he_cap, dot11mode);
 		vendor_ap_search_attr.ht_cap = pIes->HTCaps.present;
 		vendor_ap_search_attr.vht_cap = pIes->VHTCaps.present;
 		vendor_ap_search_attr.enable_2g =
@@ -15816,7 +15827,9 @@ QDF_STATUS csr_send_join_req_msg(struct mac_context *mac, uint32_t sessionId,
 		if (!force_max_nss)
 			ap_nss = csr_get_nss_supported_by_sta_and_ap(
 						&pIes->VHTCaps,
-						&pIes->HTCaps, dot11mode);
+						&pIes->HTCaps,
+						&pIes->he_cap,
+						dot11mode);
 		if (!force_max_nss && pSession->nss > ap_nss) {
 			pSession->nss = ap_nss;
 			pSession->vdev_nss = pSession->nss;

core/wma/src/wma_he.c

@@ -1264,6 +1264,10 @@ void wma_populate_peer_he_cap(struct peer_assoc_params *peer,
 			params->supportedRates.tx_he_mcs_map_80_80;
 	}
 
+#define HE2x2MCSMASK 0xc
+
+	peer->peer_nss = ((params->supportedRates.rx_he_mcs_map_lt_80 &
+			 HE2x2MCSMASK) == HE2x2MCSMASK) ? 1 : 2;
 	for (i = 0; i < peer->peer_he_mcs_count; i++)
 		WMA_LOGD(FL("[HE - MCS Map: %d] rx_mcs: 0x%x, tx_mcs: 0x%x"), i,
 			peer->peer_he_rx_mcs_set[i],