IPACM: Add support to get tether stats

This changes provides the support to
to get tether stats.

Change-Id: I668a8fa3ffbab2c714d09543e6d2a7e67ff55eff

1 files changed, 138 insertions, 5 deletions

diff --git a/ipacm/src/IPACM_Wlan.cpp b/ipacm/src/IPACM_Wlan.cpp
index 075da13..530e2bf 100644
--- a/ipacm/src/IPACM_Wlan.cpp
+++ b/ipacm/src/IPACM_Wlan.cpp
@@ -189,6 +189,14 @@ IPACM_Wlan::IPACM_Wlan(int iface_index) : IPACM_Lan(iface_index)
 		}
 	}
 #endif
+
+#ifdef FEATURE_IPA_ANDROID
+	/* set the IPA-client pipe enum */
+	if(IPACM_Iface::ipacmcfg->iface_table[ipa_if_num].if_cat == WLAN_IF)
+	{
+		handle_tethering_client(false, IPACM_CLIENT_WLAN);
+	}
+#endif
 	return;
 }
 
@@ -212,6 +220,7 @@ void IPACM_Wlan::event_callback(ipa_cm_event_id event, void *param)
 	int wlan_index;
 	ipacm_ext_prop* ext_prop;
 	ipacm_event_iface_up* data_wan;
+	ipacm_event_iface_up_tehter* data_wan_tether;
 
 	switch (event)
 	{
@@ -342,7 +351,7 @@ void IPACM_Wlan::event_callback(ipa_cm_event_id event, void *param)
 					}
 #endif
 
-					if (IPACM_Wan::isWanUP())
+					if (IPACM_Wan::isWanUP(ipa_if_num))
 					{
 						if(data->iptype == IPA_IP_v4 || data->iptype == IPA_IP_MAX)
 						{
@@ -359,7 +368,7 @@ void IPACM_Wlan::event_callback(ipa_cm_event_id event, void *param)
 						}
 					}
 
-					if(IPACM_Wan::isWanUP_V6())
+					if(IPACM_Wan::isWanUP_V6(ipa_if_num))
 					{
 						if((data->iptype == IPA_IP_v6 || data->iptype == IPA_IP_MAX) && num_dft_rt_v6 == 1)
 						{
@@ -391,7 +400,128 @@ void IPACM_Wlan::event_callback(ipa_cm_event_id event, void *param)
 			}
 		}
 		break;
+#ifdef FEATURE_IPA_ANDROID
+	case IPA_HANDLE_WAN_UP_TETHER:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_UP_TETHER event\n");
+
+		data_wan_tether = (ipacm_event_iface_up_tehter*)param;
+		if(data_wan_tether == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d, if_index_tether:%d\n", data_wan_tether->is_sta,
+					data_wan_tether->if_index_tether);
+		if (iface_ipa_index_query(data_wan_tether->if_index_tether) == ipa_if_num)
+		{
+			if(ip_type == IPA_IP_v4 || ip_type == IPA_IP_MAX)
+			{
+				if(data_wan_tether->is_sta == false)
+				{
+					ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(IPA_IP_v4);
+					IPACM_Lan::handle_wan_up_ex(ext_prop, IPA_IP_v4, 0);
+				}
+				else
+				{
+					IPACM_Lan::handle_wan_up(IPA_IP_v4);
+				}
+			}
+		}
+		break;
 
+	case IPA_HANDLE_WAN_UP_V6_TETHER:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_UP_V6_TETHER event\n");
+
+		data_wan_tether = (ipacm_event_iface_up_tehter*)param;
+		if(data_wan_tether == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d, if_index_tether:%d\n", data_wan_tether->is_sta,
+					data_wan_tether->if_index_tether);
+		if (iface_ipa_index_query(data_wan_tether->if_index_tether) == ipa_if_num)
+		{
+			if(ip_type == IPA_IP_v6 || ip_type == IPA_IP_MAX)
+			{
+				if(wlan_ap_index == 0) //install ipv6 prefix rule only once
+				{
+					install_ipv6_prefix_flt_rule(data_wan_tether->ipv6_prefix);
+				}
+				if(data_wan_tether->is_sta == false)
+				{
+					ext_prop = IPACM_Iface::ipacmcfg->GetExtProp(IPA_IP_v6);
+					IPACM_Lan::handle_wan_up_ex(ext_prop, IPA_IP_v6, 0);
+				}
+				else
+				{
+					IPACM_Lan::handle_wan_up(IPA_IP_v6);
+				}
+			}
+		}
+		break;
+
+	case IPA_HANDLE_WAN_DOWN_TETHER:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_DOWN_TETHER event\n");
+		data_wan_tether = (ipacm_event_iface_up_tehter*)param;
+		if(data_wan_tether == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d, if_index_tether:%d, itself %d\n", data_wan_tether->is_sta,
+					iface_ipa_index_query(data_wan_tether->if_index_tether),
+					ipa_if_num);
+		if (iface_ipa_index_query(data_wan_tether->if_index_tether) == ipa_if_num)
+		{
+			if(data_wan_tether->is_sta == false && wlan_ap_index > 0)
+			{
+				IPACMDBG_H("This is not the first AP instance and not STA mode, ignore WAN_DOWN event.\n");
+				return;
+			}
+			if (rx_prop != NULL)
+			{
+				if(ip_type == IPA_IP_v4 || ip_type == IPA_IP_MAX)
+				{
+					handle_wan_down(data_wan_tether->is_sta);
+				}
+			}
+		}
+		break;
+
+	case IPA_HANDLE_WAN_DOWN_V6_TETHER:
+		IPACMDBG_H("Received IPA_HANDLE_WAN_DOWN_V6_TETHER event\n");
+		data_wan_tether = (ipacm_event_iface_up_tehter*)param;
+		if(data_wan_tether == NULL)
+		{
+			IPACMERR("No event data is found.\n");
+			return;
+		}
+		IPACMDBG_H("Backhaul is sta mode?%d, if_index_tether:%d, itself %d\n", data_wan_tether->is_sta,
+					iface_ipa_index_query(data_wan_tether->if_index_tether),
+					ipa_if_num);
+		if (iface_ipa_index_query(data_wan_tether->if_index_tether) == ipa_if_num)
+		{
+			/* clean up v6 RT rules*/
+			IPACMDBG_H("Received IPA_WAN_V6_DOWN in WLAN-instance and need clean up client IPv6 address \n");
+			/* reset wifi-client ipv6 rt-rules */
+			handle_wlan_client_reset_rt(IPA_IP_v6);
+
+			if(data_wan_tether->is_sta == false && wlan_ap_index > 0)
+			{
+				IPACMDBG_H("This is not the first AP instance and not STA mode, ignore WAN_DOWN event.\n");
+				return;
+			}
+			if (rx_prop != NULL)
+			{
+				if(ip_type == IPA_IP_v6 || ip_type == IPA_IP_MAX)
+				{
+					handle_wan_down_v6(data_wan_tether->is_sta);
+				}
+			}
+		}
+		break;
+#else
 	case IPA_HANDLE_WAN_UP:
 		IPACMDBG_H("Received IPA_HANDLE_WAN_UP event\n");
 
@@ -493,6 +623,7 @@ void IPACM_Wlan::event_callback(ipa_cm_event_id event, void *param)
 			}
 		}
 		break;
+#endif
 
 	case IPA_WLAN_CLIENT_ADD_EVENT_EX:
 		{
@@ -873,7 +1004,7 @@ void IPACM_Wlan::event_callback(ipa_cm_event_id event, void *param)
 	case IPA_TETHERING_STATS_UPDATE_EVENT:
 	{
 		IPACMDBG_H("Received IPA_TETHERING_STATS_UPDATE_EVENT event.\n");
-		if (IPACM_Wan::isWanUP() || IPACM_Wan::isWanUP_V6())
+		if (IPACM_Wan::isWanUP(ipa_if_num) || IPACM_Wan::isWanUP_V6(ipa_if_num))
 		{
 			if(IPACM_Wan::backhaul_is_sta_mode == false) /* LTE */
 			{
@@ -2337,13 +2468,13 @@ int IPACM_Wlan::handle_down_evt()
 #endif
 
 	/* delete wan filter rule */
-	if (IPACM_Wan::isWanUP() && rx_prop != NULL)
+	if (IPACM_Wan::isWanUP(ipa_if_num) && rx_prop != NULL)
 	{
 		IPACMDBG_H("LAN IF goes down, backhaul type %d\n", IPACM_Wan::backhaul_is_sta_mode);
 		IPACM_Lan::handle_wan_down(IPACM_Wan::backhaul_is_sta_mode);
 	}
 
-	if (IPACM_Wan::isWanUP_V6() && rx_prop != NULL)
+	if (IPACM_Wan::isWanUP_V6(ipa_if_num) && rx_prop != NULL)
 	{
 		IPACMDBG_H("LAN IF goes down, backhaul type %d\n", IPACM_Wan::backhaul_is_sta_mode);
 		IPACM_Lan::handle_wan_down_v6(IPACM_Wan::backhaul_is_sta_mode);
@@ -2631,6 +2762,8 @@ int IPACM_Wlan::handle_down_evt()
 			IPACMERR(" can't Delete IPACM private subnet_addr as: 0x%x \n", if_ipv4_subnet);
 		}
 	}
+	/* reset the IPA-client pipe enum */
+	handle_tethering_client(true, IPACM_CLIENT_WLAN);
 #endif /* defined(FEATURE_IPA_ANDROID)*/
 
 fail: