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/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 5fb6652..798e694 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -763,6 +763,15 @@
 }
 
 
+static unsigned int nl80211_get_ifindex(void *priv)
+{
+	struct i802_bss *bss = priv;
+	struct wpa_driver_nl80211_data *drv = bss->drv;
+
+	return drv->ifindex;
+}
+
+
 static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
 {
 	struct i802_bss *bss = priv;
@@ -786,11 +795,12 @@
 
 
 static void wpa_driver_nl80211_event_newlink(
-	struct wpa_driver_nl80211_data *drv, const char *ifname)
+	struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
+	int ifindex, const char *ifname)
 {
 	union wpa_event_data event;
 
-	if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
+	if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
 		if (if_nametoindex(drv->first_bss->ifname) == 0) {
 			wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
 				   drv->first_bss->ifname);
@@ -804,19 +814,25 @@
 	}
 
 	os_memset(&event, 0, sizeof(event));
+	event.interface_status.ifindex = ifindex;
 	os_strlcpy(event.interface_status.ifname, ifname,
 		   sizeof(event.interface_status.ifname));
 	event.interface_status.ievent = EVENT_INTERFACE_ADDED;
-	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
+	if (drv)
+		wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
+	else
+		wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
+					    &event);
 }
 
 
 static void wpa_driver_nl80211_event_dellink(
-	struct wpa_driver_nl80211_data *drv, const char *ifname)
+	struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
+	int ifindex, const char *ifname)
 {
 	union wpa_event_data event;
 
-	if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
+	if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
 		if (drv->if_removed) {
 			wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
 				   ifname);
@@ -831,10 +847,15 @@
 	}
 
 	os_memset(&event, 0, sizeof(event));
+	event.interface_status.ifindex = ifindex;
 	os_strlcpy(event.interface_status.ifname, ifname,
 		   sizeof(event.interface_status.ifname));
 	event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
-	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
+	if (drv)
+		wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
+	else
+		wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
+					    &event);
 }
 
 
@@ -908,13 +929,6 @@
 	char ifname[IFNAMSIZ + 1];
 	char extra[100], *pos, *end;
 
-	drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
-	if (!drv) {
-		wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d",
-			   ifi->ifi_index);
-		return;
-	}
-
 	extra[0] = '\0';
 	pos = extra;
 	end = pos + sizeof(extra);
@@ -958,6 +972,10 @@
 		   (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
 		   (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
 
+	drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
+	if (!drv)
+		goto event_newlink;
+
 	if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
 		namebuf[0] = '\0';
 		if (if_indextoname(ifi->ifi_index, namebuf) &&
@@ -1052,10 +1070,12 @@
 				       -1, IF_OPER_UP);
 	}
 
+event_newlink:
 	if (ifname[0])
-		wpa_driver_nl80211_event_newlink(drv, ifname);
+		wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
+						 ifname);
 
-	if (ifi->ifi_family == AF_BRIDGE && brid) {
+	if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
 		struct i802_bss *bss;
 
 		/* device has been added to bridge */
@@ -1091,13 +1111,6 @@
 	char ifname[IFNAMSIZ + 1];
 	char extra[100], *pos, *end;
 
-	drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
-	if (!drv) {
-		wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d",
-			   ifi->ifi_index);
-		return;
-	}
-
 	extra[0] = '\0';
 	pos = extra;
 	end = pos + sizeof(extra);
@@ -1138,10 +1151,9 @@
 		   (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
 		   (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
 
-	if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid))
-		wpa_driver_nl80211_event_dellink(drv, ifname);
+	drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
 
-	if (ifi->ifi_family == AF_BRIDGE && brid) {
+	if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
 		/* device has been removed from bridge */
 		char namebuf[IFNAMSIZ];
 
@@ -1156,6 +1168,10 @@
 		}
 		del_ifidx(drv, brid, ifi->ifi_index);
 	}
+
+	if (ifi->ifi_family != AF_BRIDGE || !brid)
+		wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
+						 ifname);
 }
 
 
@@ -3526,24 +3542,26 @@
 	    nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
 		goto fail;
 
-	switch (params->smps_mode) {
-	case HT_CAP_INFO_SMPS_DYNAMIC:
-		wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
-		smps_mode = NL80211_SMPS_DYNAMIC;
-		break;
-	case HT_CAP_INFO_SMPS_STATIC:
-		wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
-		smps_mode = NL80211_SMPS_STATIC;
-		break;
-	default:
-		/* invalid - fallback to smps off */
-	case HT_CAP_INFO_SMPS_DISABLED:
-		wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
-		smps_mode = NL80211_SMPS_OFF;
-		break;
+	if (params->ht_opmode != -1) {
+		switch (params->smps_mode) {
+		case HT_CAP_INFO_SMPS_DYNAMIC:
+			wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
+			smps_mode = NL80211_SMPS_DYNAMIC;
+			break;
+		case HT_CAP_INFO_SMPS_STATIC:
+			wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
+			smps_mode = NL80211_SMPS_STATIC;
+			break;
+		default:
+			/* invalid - fallback to smps off */
+		case HT_CAP_INFO_SMPS_DISABLED:
+			wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
+			smps_mode = NL80211_SMPS_OFF;
+			break;
+		}
+		if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
+			goto fail;
 	}
-	if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
-		goto fail;
 
 	if (params->beacon_ies) {
 		wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
@@ -4823,6 +4841,16 @@
 			return -1;
 	}
 
+	drv->connect_reassoc = 0;
+	if (params->prev_bssid) {
+		wpa_printf(MSG_DEBUG, "  * prev_bssid=" MACSTR,
+			   MAC2STR(params->prev_bssid));
+		if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
+			    params->prev_bssid))
+			return -1;
+		drv->connect_reassoc = 1;
+	}
+
 	return 0;
 }
 
@@ -4975,14 +5003,6 @@
 	if (ret)
 		goto fail;
 
-	if (params->prev_bssid) {
-		wpa_printf(MSG_DEBUG, "  * prev_bssid=" MACSTR,
-			   MAC2STR(params->prev_bssid));
-		if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
-			    params->prev_bssid))
-			goto fail;
-	}
-
 	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
 	msg = NULL;
 	if (ret) {
@@ -5710,7 +5730,7 @@
 		if (!old_reason)
 			drv->if_indices_reason = drv->default_if_indices_reason;
 		else
-			drv->if_indices = old_reason;
+			drv->if_indices_reason = old_reason;
 	}
 	if (!drv->if_indices || !drv->if_indices_reason) {
 		wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
@@ -6856,7 +6876,7 @@
 }
 
 
-static void * nl80211_global_init(void)
+static void * nl80211_global_init(void *ctx)
 {
 	struct nl80211_global *global;
 	struct netlink_config *cfg;
@@ -6864,6 +6884,7 @@
 	global = os_zalloc(sizeof(*global));
 	if (global == NULL)
 		return NULL;
+	global->ctx = ctx;
 	global->ioctl_sock = -1;
 	dl_list_init(&global->interfaces);
 	global->if_add_ifindex = -1;
@@ -9141,6 +9162,7 @@
 	.br_set_net_param = wpa_driver_br_set_net_param,
 	.add_tx_ts = nl80211_add_ts,
 	.del_tx_ts = nl80211_del_ts,
+	.get_ifindex = nl80211_get_ifindex,
 #ifdef CONFIG_DRIVER_NL80211_QCA
 	.do_acs = wpa_driver_do_acs,
 	.set_band = nl80211_set_band,