Cumulative patch from commit f89c32e63f71e66d7b55e284016762b603ae02db

f89c32e Android: Fix max number of sched scan SSIDs based on driver capability
f1a5a34 binder: Implement interface add/remove methods
7b4bbb9 binder: Add binder skeletal code for Android
5914ebf Remove struct ieee80211_mgmt::u.probe_req
094e949 atheros: Do not use struct ieee80211_mgmt::u.probe_req
c01120a wpa_supplicant: Do not use struct ieee80211_mgmt::u.probe_req
e1b9962 AP: Do not use struct ieee80211_mgmt::u.probe_req
5cd317d Do not clear PMKSA entry or EAP session cache if config does not change
f933216 Revert "Assign QCA vendor command and attribute for Tx/Rx aggregation"
bde9a4e Comment out UDP/UNIX socket code from common ctrl_iface based on build
a6fbff2 Fix CONFIG_CTRL_IFACE=udp6/udp6-remote builds
0741c48 SAE: Check SHA256-PRF operation result
ea86a34 SAE: Remove dead code in FFC pwd-value derivation
87faf1f nl80211: Fix libnl-tiny build with CONFIG_LIBNL20=y
31afdd2 Use TIOCOUTQ instead of SIOCOUTQ to avoid need for linux/sockios.h
6d07e76 wlantest: Use local ETH_P_IP define instead of linux/if_ether.h
795abc8 Drop USE_KERNEL_HEADERS define
9b7cd57 Use a separate header file for Linux bridge interface definitions
c815fab Use own header file for defining Linux VLAN kernel interface
81606ab vlan: Fix musl libc conflict with Linux kernel headers
f347429 P2P: Fix persistent group for 60 GHz networks
e868599 vlan: Move if_nametoindex() use out of vlan_init.c
7c03c08 vlan: Move ifconfig helpers to a separate file
59d6390 vlan: Move CONFIG_FULL_DYNAMIC_VLAN functionality into a separate file
0fe28dd vlan: Remove unnecessary header includes from netlink implementation
84d6755 vlan: Clean up netlink vs. ioctl API implementation
cb38bc8 vlan: Fix musl build error
954e10e Make it a bit easier to roam from 2.4 GHz to 5 GHz within ESS
585141b Fix a typo in a comment
1126c07 nl80211: Ignore deauth/disassoc event during Connect reassociation
6a5ee81 Include previous BSSID in connection request to indicate reassociation
00c3c4a nl80211: Add NL80211_ATTR_PREV_BSSID with Connect command
cbc3d6f WNM: Verify BSS TM target match against the current network profile
8854f90 mesh: Simplify wpa_auth_pmksa_set_to_sm()
32d4fe9 privsep: Fix a compiler warning on unsigned/signed comparison
2e997ee Add interface matching support with -M, guarded by CONFIG_MATCH_IFACE
45e3fc7 Find correct driver for interface additions/removals
9037702 wpa_supplicant: Fix CONFIG_IBSS_RSN=y build without CONFIG_AP=y
5ae65de wpa_supplicant: Fix p2p_group_add when UDP-based ctrl_iface is used
24bce46 FST: Fix a compiler warning
e567c58 Fix nfc_pw_token build with CONFIG_FST=y
d774c46 mesh: Use appropriate BLOCKED state duration
9f2cf23 mesh: Add support for PMKSA caching
4c522c7 PMKSA: Flush AP/mesh PMKSA cache by PMKSA_FLUSH command
b8daac1 PMKSA: Show AP/mesh PMKSA list in PMKSA command
2604edb mesh: Add MESH_PEER_ADD command
e174ef3 mesh: Add MESH_PEER_REMOVE command
f7648c8 P2P: Advertise IP Address Allocation only if it is enabled on GO
7f46ad9 BSD: Only down the interface once we are sure we can work with it
192964d Handle OSEN IE in Assoc Request info if req_ies exists
29eddc3 nl80211: Fix error path in if_indices_reason reallocation
ee298f1 nl80211: Do not add NL80211_ATTR_SMPS_MODE attribute if HT is disabled
4ca16b5 Assign QCA vendor command and attribute for Tx/Rx aggregation
64ce590 libxml2: Check for xmlDocDumpFormatMemory() error case
8b827c3 BoringSSL: Keep static analyzers happier with X509_get0_pubkey_bitstr()
42a9553 hs20-osu-client: Fix pol_upd command line parsing
ec1eae8 hs20-osu-client: Remove dead code from sub_rem command line parsing
c3dc68e Do not invalidate EAP session cache on all network block parameter changes
9231c24 wlantest: Fix bip_protect() memory allocation
c6c29be Interworking: Add credential realm to EAP-TLS identity

Change-Id: I870f325171d00fed9c4fcd82a695fe5e2efee792
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/wpa_priv.c b/wpa_supplicant/wpa_priv.c
index 3f91cc1..511df4f 100644
--- a/wpa_supplicant/wpa_priv.c
+++ b/wpa_supplicant/wpa_priv.c
@@ -29,6 +29,8 @@
 	char *sock_name;
 	int fd;
 
+	void *ctx;
+
 	const struct wpa_driver_ops *driver;
 	void *drv_priv;
 	void *drv_global_priv;
@@ -40,6 +42,10 @@
 	struct sockaddr_un l2_addr;
 };
 
+struct wpa_priv_global {
+	struct wpa_priv_interface *interfaces;
+};
+
 
 static void wpa_priv_cmd_register(struct wpa_priv_interface *iface,
 				  struct sockaddr_un *from)
@@ -65,7 +71,8 @@
 
 	if (iface->driver->init2) {
 		if (iface->driver->global_init) {
-			iface->drv_global_priv = iface->driver->global_init();
+			iface->drv_global_priv =
+				iface->driver->global_init(iface->ctx);
 			if (!iface->drv_global_priv) {
 				wpa_printf(MSG_INFO,
 					   "Failed to initialize driver global context");
@@ -638,7 +645,7 @@
 
 
 static struct wpa_priv_interface *
-wpa_priv_interface_init(const char *dir, const char *params)
+wpa_priv_interface_init(void *ctx, const char *dir, const char *params)
 {
 	struct wpa_priv_interface *iface;
 	char *pos;
@@ -654,6 +661,7 @@
 	if (iface == NULL)
 		return NULL;
 	iface->fd = -1;
+	iface->ctx = ctx;
 
 	len = pos - params;
 	iface->driver_name = dup_binstr(params, len);
@@ -1002,6 +1010,37 @@
 }
 
 
+void wpa_supplicant_event_global(void *ctx, enum wpa_event_type event,
+				 union wpa_event_data *data)
+{
+	struct wpa_priv_global *global = ctx;
+	struct wpa_priv_interface *iface;
+
+	if (event != EVENT_INTERFACE_STATUS)
+		return;
+
+	for (iface = global->interfaces; iface; iface = iface->next) {
+		if (os_strcmp(iface->ifname, data->interface_status.ifname) ==
+		    0)
+			break;
+	}
+	if (iface && iface->driver->get_ifindex) {
+		unsigned int ifindex;
+
+		ifindex = iface->driver->get_ifindex(iface->drv_priv);
+		if (ifindex != data->interface_status.ifindex) {
+			wpa_printf(MSG_DEBUG,
+				   "%s: interface status ifindex %d mismatch (%d)",
+				   iface->ifname, ifindex,
+				   data->interface_status.ifindex);
+			return;
+		}
+	}
+	if (iface)
+		wpa_supplicant_event(iface, event, data);
+}
+
+
 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
 			     const u8 *buf, size_t len)
 {
@@ -1077,13 +1116,17 @@
 	char *pid_file = NULL;
 	int daemonize = 0;
 	char *ctrl_dir = "/var/run/wpa_priv";
-	struct wpa_priv_interface *interfaces = NULL, *iface;
+	struct wpa_priv_global global;
+	struct wpa_priv_interface *iface;
 
 	if (os_program_init())
 		return -1;
 
 	wpa_priv_fd_workaround();
 
+	os_memset(&global, 0, sizeof(global));
+	global.interfaces = NULL;
+
 	for (;;) {
 		c = getopt(argc, argv, "Bc:dP:");
 		if (c < 0)
@@ -1121,11 +1164,11 @@
 
 	for (i = optind; i < argc; i++) {
 		wpa_printf(MSG_DEBUG, "Adding driver:interface %s", argv[i]);
-		iface = wpa_priv_interface_init(ctrl_dir, argv[i]);
+		iface = wpa_priv_interface_init(&global, ctrl_dir, argv[i]);
 		if (iface == NULL)
 			goto out;
-		iface->next = interfaces;
-		interfaces = iface;
+		iface->next = global.interfaces;
+		global.interfaces = iface;
 	}
 
 	if (daemonize && os_daemonize(pid_file) && eloop_sock_requeue())
@@ -1137,7 +1180,7 @@
 	ret = 0;
 
 out:
-	iface = interfaces;
+	iface = global.interfaces;
 	while (iface) {
 		struct wpa_priv_interface *prev = iface;
 		iface = iface->next;