Merge 6dc0470222b584967119ca7e1511db2875360e0a on remote branch

Change-Id: If688c0a9db290e7a030cfad480143e3ebf512ad1
diff --git a/ipacm/src/IPACM_Conntrack_NATApp.cpp b/ipacm/src/IPACM_Conntrack_NATApp.cpp
index c1f47e1..0cf101f 100644
--- a/ipacm/src/IPACM_Conntrack_NATApp.cpp
+++ b/ipacm/src/IPACM_Conntrack_NATApp.cpp
@@ -195,6 +195,12 @@
 		}
 	}
 
+	/* configure NAT initialization paramater */
+	pub_ip_addr = pub_ip;
+	pub_mux_id = mux_id;
+	IPACMDBG(" Set pub_mux_id: %d\t", pub_mux_id);
+
+
 	/* Add back the cached NAT-entry */
 	if (pub_ip == pub_ip_addr_pre)
 	{
@@ -222,6 +228,8 @@
 				/* send connections info to pcie modem only with DL direction */
 				if ((CtList->backhaul_mode == Q6_MHI_WAN) && (cache[cnt].dst_nat == true || cache[cnt].protocol == IPPROTO_TCP))
 				{
+					/* propagate pub_ip info */
+					cache[cnt].public_ip = pub_ip;
 					ret = AddConnection(&cache[cnt]);
 					if(ret > 0)
 					{
@@ -246,9 +254,6 @@
 		}
 	}
 
-	pub_ip_addr = pub_ip;
-	pub_mux_id = mux_id;
-	IPACMDBG(" Set pub_mux_id: %d\t", pub_mux_id);
 	return 0;
 }
 
diff --git a/ipacm/src/IPACM_Lan.cpp b/ipacm/src/IPACM_Lan.cpp
index 41c3723..ebaca87 100644
--- a/ipacm/src/IPACM_Lan.cpp
+++ b/ipacm/src/IPACM_Lan.cpp
@@ -4197,7 +4197,7 @@
 			if (mtu[i] > 0)
 				mtu_rule_cnt++;
 			else
-				IPACMERR("MTU is zero\n");
+				IPACMDBG_H("MTU is zero\n");
 		}
 		IPACMDBG_H("total %d MTU rules are needed\n", mtu_rule_cnt);
 
diff --git a/ipacm/src/IPACM_Wan.cpp b/ipacm/src/IPACM_Wan.cpp
index be3bffc..7f450e1 100644
--- a/ipacm/src/IPACM_Wan.cpp
+++ b/ipacm/src/IPACM_Wan.cpp
@@ -4797,6 +4797,7 @@
 	int fd_wwan_ioctl;
 	memset(&wan_state, 0, sizeof(wan_state));
 #endif
+	int ret = IPACM_SUCCESS;
 
 	IPACMDBG_H("got handle_route_del_evt for STA-mode with ip-family:%d \n", iptype);
 
@@ -4926,24 +4927,19 @@
 			if(delete_offload_frag_rule())
 			{
 				IPACMERR("Failed to delete DL frag rule \n");
-				return IPACM_FAILURE;
+				ret = IPACM_FAILURE;
 			}
-			/* Delete MHI icmpv6 exception rule */
-			if(delete_icmpv6_exception_rule())
-			{
-				IPACMERR("Failed to delete icmpv6 rule \n");
-				return IPACM_FAILURE;
-			}
+
 			/* Delete tcp_fin_rst rule */
 			if(delete_tcp_fin_rst_exception_rule())
 			{
 				IPACMERR("Failed to delete tcp_fin_rst rule \n");
-				return IPACM_FAILURE;
+				ret = IPACM_FAILURE;
 			}
+			return ret;
 		}
 		else
 		{
-
 			wandown_data->backhaul_type = m_is_sta_mode;
 			memcpy(wandown_data->ipv6_prefix, ipv6_prefix, sizeof(wandown_data->ipv6_prefix));
 			evt_data.event = IPA_HANDLE_WAN_DOWN_V6;
@@ -4962,6 +4958,13 @@
 			{
 				memset(IPACM_Wan::wan_up_dev_name, 0, sizeof(IPACM_Wan::wan_up_dev_name));
 			}
+			/* Delete MHI icmpv6 exception rule */
+			if(delete_icmpv6_exception_rule())
+			{
+				IPACMERR("Failed to delete icmpv6 rule \n");
+				return IPACM_FAILURE;
+			}
+
 		}
 	}
 	else