qcacld-3.0: Delete the pe session only for STA role

While processing deuath notification in lim, PE session is deleted
without checking the session role. For AP case, if the deauth
notification is given to BSSID then also pe session will be deleted
and later clean up of the SAP will not be done properly.
Hence, for SAP case delete the pe session as part of del bss
response only.
Here the scenario is SAP's BSSID is blacklisted and acl command
is given via IOCTL. This triggered the deauth notification to lim,
and pe_session is deleted. Later, the del sta command is failed
because del bss has not happened and vdev delete also not done.

Hence delete pe session only for sta mode in lim_send_sme_deauth_ntf.
And return failure status for iwpriv softap.0 modify_acl command
if it is given for SAP's own mac address.

Change-Id: I2b394ae8676fe569537b416388a9566f2d35892a
CRs-Fixed: 2388404

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

@@ -1267,9 +1267,8 @@ lim_send_sme_deauth_ntf(struct mac_context *mac, tSirMacAddr peerMacAddr,
 	}
 
 	/*Delete the PE session  created */
-	if (pe_session != NULL) {
+	if (pe_session && LIM_IS_STA_ROLE(pe_session))
 		pe_delete_session(mac, pe_session);
-	}
 
 	lim_send_sme_disassoc_deauth_ntf(mac, QDF_STATUS_SUCCESS,
 					 (uint32_t *) pMsg);

core/sap/src/sap_module.c

@@ -845,7 +845,14 @@ QDF_STATUS wlansap_modify_acl(struct sap_context *sap_ctx,
 			  "%s: Invalid SAP Context", __func__);
 		return QDF_STATUS_E_FAULT;
 	}
-
+	if (qdf_mem_cmp(sap_ctx->bssid.bytes, peer_sta_mac,
+			QDF_MAC_ADDR_SIZE) == 0) {
+		QDF_TRACE(QDF_MODULE_ID_SAP, QDF_TRACE_LEVEL_ERROR,
+			  "requested peer mac is" MAC_ADDRESS_STR
+			  "our own SAP BSSID. Do not blacklist or whitelist this BSSID",
+			  MAC_ADDR_ARRAY(peer_sta_mac));
+		return QDF_STATUS_E_FAULT;
+	}
 	QDF_TRACE(QDF_MODULE_ID_SAP, QDF_TRACE_LEVEL_INFO_LOW,
 		  "Modify ACL entered\n" "Before modification of ACL\n"
 		  "size of accept and deny lists %d %d", sap_ctx->nAcceptMac,