qcacld-3.0: Send all assoc request IE to hostapd in SAP mode

Host driver packs only the RSN IE, WAP IE and additional IE
from association request to upper layers. With any new IE
support added on the driver, the driver has to add new structure
to csr_roam_info and pack that IE into the
tSap_StationAssocReassocCompleteEvent and pass it to higher
layers. This increases the redundancy with new IE introduced.

To facilitate hostapd to get information on all IE, pass all the
IE present in the assoc request to hostapd.

Change-Id: I1665a83de52bd67529ea026dc0c5e92cfbd51590
CRs-Fixed: 2390425

core/hdd/src/wlan_hdd_hostapd.c

@@ -2234,32 +2234,28 @@ QDF_STATUS hdd_hostapd_sap_event_cb(tpSap_Event pSapEvent,
 					      HDD_SAP_WAKE_LOCK_DURATION);
 		{
 			struct station_info *sta_info;
-			uint16_t iesLen = event->iesLen;
+			uint32_t ies_len = event->ies_len;
 
 			sta_info = qdf_mem_malloc(sizeof(*sta_info));
 			if (!sta_info) {
 				hdd_err("Failed to allocate station info");
 				return QDF_STATUS_E_FAILURE;
 			}
-			if (iesLen <= MAX_ASSOC_IND_IE_LEN) {
-				sta_info->assoc_req_ies =
-					(const u8 *)&event->ies[0];
-				sta_info->assoc_req_ies_len = iesLen;
+
+			sta_info->assoc_req_ies = event->ies;
+			sta_info->assoc_req_ies_len = ies_len;
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) && !defined(WITH_BACKPORTS)
-				/*
-				 * After Kernel 4.0, it's no longer need to set
-				 * STATION_INFO_ASSOC_REQ_IES flag, as it
-				 * changed to use assoc_req_ies_len length to
-				 * check the existence of request IE.
-				 */
-				sta_info->filled |= STATION_INFO_ASSOC_REQ_IES;
+			/*
+			 * After Kernel 4.0, it's no longer need to set
+			 * STATION_INFO_ASSOC_REQ_IES flag, as it
+			 * changed to use assoc_req_ies_len length to
+			 * check the existence of request IE.
+			 */
+			sta_info->filled |= STATION_INFO_ASSOC_REQ_IES;
 #endif
-				cfg80211_new_sta(dev,
-					(const u8 *)&event->staMac.bytes[0],
-					sta_info, GFP_KERNEL);
-			} else {
-				hdd_err("Assoc Ie length is too long");
-			}
+			cfg80211_new_sta(dev,
+				(const u8 *)&event->staMac.bytes[0],
+				sta_info, GFP_KERNEL);
 			qdf_mem_free(sta_info);
 		}
 		/* Lets abort scan to ensure smooth authentication for client */

core/sap/inc/sap_api.h

@@ -50,6 +50,8 @@ extern "C" {
 #define       MAX_ACL_MAC_ADDRESS          32
 #define       AUTO_CHANNEL_SELECT          0
 #define       MAX_ASSOC_IND_IE_LEN         255
+#define       MAX_ASSOC_REQ_IE_LEN         2000
+#define       ASSOC_REQ_IE_OFFSET          4
 
 /* defines for WPS config states */
 #define       SAP_WPS_DISABLED             0
@@ -260,8 +262,8 @@ typedef struct sap_StationAssocReassocCompleteEvent_s {
 	eStationType staType;
 	uint8_t staId;
 	uint8_t status;
-	uint8_t ies[MAX_ASSOC_IND_IE_LEN];
-	uint16_t iesLen;
+	uint8_t *ies;
+	uint32_t ies_len;
 	uint32_t statusCode;
 	bool wmmEnabled;
 	uint8_t timingMeasCap;

core/sap/src/sap_fsm.c

@@ -1499,27 +1499,19 @@ QDF_STATUS sap_signal_hdd_event(struct sap_context *sap_ctx,
 				 &csr_roaminfo->peerMac);
 		reassoc_complete->staId = csr_roaminfo->staId;
 		reassoc_complete->statusCode = csr_roaminfo->statusCode;
-		reassoc_complete->iesLen = csr_roaminfo->rsnIELen;
-		qdf_mem_copy(reassoc_complete->ies, csr_roaminfo->prsnIE,
-			     csr_roaminfo->rsnIELen);
-
-#ifdef FEATURE_WLAN_WAPI
-		if (csr_roaminfo->wapiIELen) {
-			uint8_t len = reassoc_complete->iesLen;
-
-			reassoc_complete->iesLen += csr_roaminfo->wapiIELen;
-			qdf_mem_copy(&reassoc_complete->ies[len],
-				     csr_roaminfo->pwapiIE,
-				     csr_roaminfo->wapiIELen);
+
+		if (csr_roaminfo->assocReqLength < ASSOC_REQ_IE_OFFSET) {
+			QDF_TRACE(QDF_MODULE_ID_SAP, QDF_TRACE_LEVEL_ERROR,
+				  FL("Invalid assoc request length:%d"),
+				  csr_roaminfo->assocReqLength);
+			return QDF_STATUS_E_INVAL;
 		}
-#endif
-		if (csr_roaminfo->addIELen) {
-			uint8_t len = reassoc_complete->iesLen;
+		reassoc_complete->ies_len = (csr_roaminfo->assocReqLength -
+					    ASSOC_REQ_IE_OFFSET);
+		reassoc_complete->ies = (csr_roaminfo->assocReqPtr +
+					 ASSOC_REQ_IE_OFFSET);
 
-			reassoc_complete->iesLen += csr_roaminfo->addIELen;
-			qdf_mem_copy(&reassoc_complete->ies[len],
-				     csr_roaminfo->paddIE,
-				     csr_roaminfo->addIELen);
+		if (csr_roaminfo->addIELen) {
 			if (wlan_get_vendor_ie_ptr_from_oui(
 			    SIR_MAC_P2P_OUI, SIR_MAC_P2P_OUI_SIZE,
 			    csr_roaminfo->paddIE, csr_roaminfo->addIELen)) {

core/sme/inc/csr_api.h

@@ -1210,6 +1210,8 @@ typedef struct sSirSmeAssocIndToUpperLayerCnf {
 	/* Extended capabilities of STA */
 	uint8_t              ecsa_capable;
 
+	uint32_t ies_len;
+	uint8_t *ies;
 	tDot11fIEHTCaps ht_caps;
 	tDot11fIEVHTCaps vht_caps;
 	tSirMacCapabilityInfo capability_info;

core/sme/src/csr/csr_api_roam.c

@@ -9622,6 +9622,7 @@ void csr_roam_joined_state_msg_processor(struct mac_context *mac, void *pMsgBuf)
 		qdf_mem_copy(&roam_info->chan_info,
 			     &pUpperLayerAssocCnf->chan_info,
 			     sizeof(struct oem_channel_info));
+
 		roam_info->ampdu = pUpperLayerAssocCnf->ampdu;
 		roam_info->sgi_enable = pUpperLayerAssocCnf->sgi_enable;
 		roam_info->tx_stbc = pUpperLayerAssocCnf->tx_stbc;
@@ -9642,6 +9643,13 @@ void csr_roam_joined_state_msg_processor(struct mac_context *mac, void *pMsgBuf)
 					pUpperLayerAssocCnf->capability_info;
 
 		if (CSR_IS_INFRA_AP(roam_info->u.pConnectedProfile)) {
+			if (pUpperLayerAssocCnf->ies_len > 0) {
+				roam_info->assocReqLength =
+						pUpperLayerAssocCnf->ies_len;
+				roam_info->assocReqPtr =
+						pUpperLayerAssocCnf->ies;
+			}
+
 			mac->roam.roamSession[sessionId].connectState =
 				eCSR_ASSOC_STATE_TYPE_INFRA_CONNECTED;
 			roam_info->fReassocReq =
@@ -9650,6 +9658,8 @@ void csr_roam_joined_state_msg_processor(struct mac_context *mac, void *pMsgBuf)
 						       roam_info, 0,
 						       eCSR_ROAM_INFRA_IND,
 					eCSR_ROAM_RESULT_INFRA_ASSOCIATION_CNF);
+			if (pUpperLayerAssocCnf->ies)
+				qdf_mem_free(pUpperLayerAssocCnf->ies);
 		}
 	}
 	break;
@@ -15634,6 +15644,21 @@ QDF_STATUS csr_send_assoc_ind_to_upper_layer_cnf_msg(struct mac_context *mac,
 		if (pAssocInd->VHTCaps.present)
 			pMsg->vht_caps = pAssocInd->VHTCaps;
 		pMsg->capability_info = pAssocInd->capability_info;
+		if (pAssocInd->assocReqPtr) {
+			if (pAssocInd->assocReqLength < MAX_ASSOC_REQ_IE_LEN) {
+				pMsg->ies = qdf_mem_malloc(
+						pAssocInd->assocReqLength);
+				if (pMsg->ies == NULL) {
+					qdf_mem_free(pMsg);
+					return QDF_STATUS_E_NOMEM;
+				}
+				pMsg->ies_len = pAssocInd->assocReqLength;
+				qdf_mem_copy(pMsg->ies , pAssocInd->assocReqPtr,
+					     pMsg->ies_len);
+			} else {
+				sme_err("Assoc Ie length is too long");
+			}
+		}
 
 		msgQ.type = eWNI_SME_UPPER_LAYER_ASSOC_CNF;
 		msgQ.bodyptr = pMsg;