--- /dev/null
+From: Felix Fietkau <nbd@nbd.name>
+Date: Sun, 6 Jul 2025 18:41:52 +0200
+Subject: [PATCH] Revert "nl80211: Accept a global nl80211 event to a bridged
+ interface"
+
+This reverts commit 1c994da117ad795766270cf04bc923971e27412f.
+---
+
+--- a/src/drivers/driver_nl80211_event.c
++++ b/src/drivers/driver_nl80211_event.c
+@@ -4482,8 +4482,6 @@ int process_global_event(struct nl_msg *
+ wiphy_idx = nl80211_get_wiphy_index(bss);
+ if ((ifidx == -1 && !wiphy_idx_set && !wdev_id_set) ||
+ ifidx == bss->ifindex ||
+- (bss->br_ifindex > 0 &&
+- nl80211_has_ifidx(drv, bss->br_ifindex, ifidx)) ||
+ (wiphy_idx_set && wiphy_idx == wiphy_idx_rx) ||
+ (wdev_id_set && bss->wdev_id_set &&
+ wdev_id == bss->wdev_id)) {
+--- a/src/drivers/driver_nl80211.c
++++ b/src/drivers/driver_nl80211.c
+@@ -182,6 +182,8 @@ static void add_ifidx(struct wpa_driver_
+ int ifidx_reason);
+ static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
+ int ifidx_reason);
++static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
++ int ifidx_reason);
+
+ static int nl80211_set_channel(struct i802_bss *bss,
+ struct hostapd_freq_params *freq, int set_chan);
+@@ -1270,7 +1272,7 @@ nl80211_find_drv(struct nl80211_global *
+ *init_failed = 1;
+ return drv;
+ }
+- if (res > 0 || nl80211_has_ifidx(drv, idx, IFIDX_ANY))
++ if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
+ return drv;
+ }
+ return NULL;
+@@ -8583,7 +8585,7 @@ static void add_ifidx(struct wpa_driver_
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
+ ifidx, ifidx_reason);
+- if (nl80211_has_ifidx(drv, ifidx, ifidx_reason)) {
++ if (have_ifidx(drv, ifidx, ifidx_reason)) {
+ wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
+ ifidx);
+ return;
+@@ -8643,7 +8645,7 @@ static void del_ifidx(struct wpa_driver_
+ }
+
+
+-int nl80211_has_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
++static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
+ int ifidx_reason)
+ {
+ int i;
+@@ -8750,7 +8752,7 @@ static void handle_eapol(int sock, void
+ return;
+ }
+
+- if (nl80211_has_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY)) {
++ if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY)) {
+ for (bss = drv->first_bss; bss; bss = bss->next)
+ drv_event_eapol_rx(bss->ctx, lladdr.sll_addr, buf, len);
+ }
+--- a/src/drivers/driver_nl80211.h
++++ b/src/drivers/driver_nl80211.h
+@@ -371,8 +371,6 @@ struct i802_link * nl80211_get_link(stru
+ u8 nl80211_get_link_id_from_link(struct i802_bss *bss, struct i802_link *link);
+ int nl80211_remove_link(struct i802_bss *bss, int link_id);
+ void nl80211_update_active_links(struct i802_bss *bss, int link_id);
+-int nl80211_has_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
+- int ifidx_reason);
+
+ static inline bool nl80211_link_valid(u16 links, s8 link_id)
+ {
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
-@@ -6403,8 +6403,7 @@ static void nl80211_teardown_ap(struct i
+@@ -6405,8 +6405,7 @@ static void nl80211_teardown_ap(struct i
}
nl80211_put_wiphy_data_ap(bss);
void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx);
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
-@@ -753,6 +753,7 @@ struct wiphy_idx_data {
+@@ -755,6 +755,7 @@ struct wiphy_idx_data {
enum nl80211_iftype nlmode;
u8 *macaddr;
u8 use_4addr;
};
-@@ -778,6 +779,9 @@ static int netdev_info_handler(struct nl
+@@ -780,6 +781,9 @@ static int netdev_info_handler(struct nl
if (tb[NL80211_ATTR_4ADDR])
info->use_4addr = nla_get_u8(tb[NL80211_ATTR_4ADDR]);
return NL_SKIP;
}
-@@ -844,6 +848,20 @@ static int nl80211_get_4addr(struct i802
+@@ -846,6 +850,20 @@ static int nl80211_get_4addr(struct i802
}
static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
struct nl80211_wiphy_data *w)
{
-@@ -6234,7 +6252,7 @@ const char * nl80211_iftype_str(enum nl8
+@@ -6236,7 +6254,7 @@ const char * nl80211_iftype_str(enum nl8
static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
const char *ifname,
enum nl80211_iftype iftype,
int (*handler)(struct nl_msg *, void *),
void *arg)
{
-@@ -6254,6 +6272,10 @@ static int nl80211_create_iface_once(str
+@@ -6256,6 +6274,10 @@ static int nl80211_create_iface_once(str
if (wds && nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
goto fail;
/*
* Tell cfg80211 that the interface belongs to the socket that created
* it, and the interface should be deleted when the socket is closed.
-@@ -6309,14 +6331,14 @@ static int nl80211_create_iface_once(str
+@@ -6311,14 +6333,14 @@ static int nl80211_create_iface_once(str
int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
const char *ifname, enum nl80211_iftype iftype,
/* if error occurred and interface exists already */
if (ret < 0 && if_nametoindex(ifname)) {
-@@ -6342,7 +6364,7 @@ int nl80211_create_iface(struct wpa_driv
+@@ -6344,7 +6366,7 @@ int nl80211_create_iface(struct wpa_driv
/* Try to create the interface again */
ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
}
if (ret >= 0 && is_p2p_net_interface(iftype)) {
-@@ -8683,8 +8705,8 @@ static int i802_set_wds_sta(void *priv,
+@@ -8685,8 +8707,8 @@ static int i802_set_wds_sta(void *priv,
if (!if_nametoindex(name)) {
if (nl80211_create_iface(drv, name,
NL80211_IFTYPE_AP_VLAN,
return -1;
if (bridge_ifname)
-@@ -9055,7 +9077,8 @@ static int wpa_driver_nl80211_if_add(voi
+@@ -9057,7 +9079,8 @@ static int wpa_driver_nl80211_if_add(voi
os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
&p2pdev_info, use_existing);
if (!p2pdev_info.wdev_id_set || ifidx != 0) {
wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
-@@ -9072,7 +9095,8 @@ static int wpa_driver_nl80211_if_add(voi
+@@ -9074,7 +9097,8 @@ static int wpa_driver_nl80211_if_add(voi
(long long unsigned int) p2pdev_info.wdev_id);
} else {
ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
if (use_existing && ifidx == -ENFILE) {
added = 0;
ifidx = if_nametoindex(ifname);
-@@ -9142,6 +9166,8 @@ static int wpa_driver_nl80211_if_add(voi
+@@ -9144,6 +9168,8 @@ static int wpa_driver_nl80211_if_add(voi
new_bss->ctx = bss_ctx;
new_bss->added_if = added;
struct wpa_driver_set_key_params {
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
-@@ -12361,6 +12361,18 @@ static int nl80211_put_mesh_id(struct nl
+@@ -12363,6 +12363,18 @@ static int nl80211_put_mesh_id(struct nl
}
static int nl80211_put_mesh_config(struct nl_msg *msg,
struct wpa_driver_mesh_bss_params *params)
{
-@@ -12422,6 +12434,7 @@ static int nl80211_join_mesh(struct i802
+@@ -12424,6 +12436,7 @@ static int nl80211_join_mesh(struct i802
nl80211_put_basic_rates(msg, params->basic_rates) ||
nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
nl80211_put_beacon_int(msg, params->beacon_int) ||
static struct nl_sock * nl_create_handle(struct nl_cb *cb, const char *dbg)
{
-@@ -435,6 +445,11 @@ static int no_seq_check(struct nl_msg *m
+@@ -437,6 +447,11 @@ static int no_seq_check(struct nl_msg *m
return NL_OK;
}
static void nl80211_nlmsg_clear(struct nl_msg *msg)
{
-@@ -509,6 +524,8 @@ int send_and_recv_glb(struct nl80211_glo
+@@ -511,6 +526,8 @@ int send_and_recv_glb(struct nl80211_glo
if (!msg)
return -ENOMEM;
err.err = -ENOMEM;
s_nl_cb = nl_socket_get_cb(nl_handle);
-@@ -550,6 +567,7 @@ int send_and_recv_glb(struct nl80211_glo
+@@ -552,6 +569,7 @@ int send_and_recv_glb(struct nl80211_glo
err.err_info = err_info;
err.drv = drv;
nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err.err);
if (ack_handler_custom) {
-@@ -971,6 +989,7 @@ nl80211_get_wiphy_data_ap(struct i802_bs
+@@ -973,6 +991,7 @@ nl80211_get_wiphy_data_ap(struct i802_bs
os_free(w);
return NULL;
}
nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
no_seq_check, NULL);
nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
-@@ -1399,7 +1418,7 @@ static void wpa_driver_nl80211_event_rtm
+@@ -1401,7 +1420,7 @@ static void wpa_driver_nl80211_event_rtm
}
wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
namebuf, ifname);
wpa_printf(MSG_DEBUG,
"nl80211: Not the main interface (%s) - do not indicate interface down",
drv->first_bss->ifname);
-@@ -1435,7 +1454,7 @@ static void wpa_driver_nl80211_event_rtm
+@@ -1437,7 +1456,7 @@ static void wpa_driver_nl80211_event_rtm
}
wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
namebuf, ifname);
wpa_printf(MSG_DEBUG,
"nl80211: Not the main interface (%s) - do not indicate interface up",
drv->first_bss->ifname);
-@@ -2128,6 +2147,7 @@ static int wpa_driver_nl80211_init_nl_gl
+@@ -2130,6 +2149,7 @@ static int wpa_driver_nl80211_init_nl_gl
genl_family_put(family);
nl_cache_free(cache);
nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
no_seq_check, NULL);
nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
-@@ -2298,6 +2318,7 @@ static int nl80211_init_bss(struct i802_
+@@ -2300,6 +2320,7 @@ static int nl80211_init_bss(struct i802_
if (!bss->nl_cb)
return -1;
nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
no_seq_check, NULL);
nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
-@@ -8849,6 +8870,7 @@ static void *i802_init(struct hostapd_da
+@@ -8851,6 +8872,7 @@ static void *i802_init(struct hostapd_da
char master_ifname[IFNAMSIZ];
int ifindex, br_ifindex = 0;
int br_added = 0;
bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
params->global_priv, 1,
-@@ -8909,21 +8931,17 @@ static void *i802_init(struct hostapd_da
+@@ -8911,21 +8933,17 @@ static void *i802_init(struct hostapd_da
(params->num_bridge == 0 || !params->bridge[0]))
add_ifidx(drv, br_ifindex, drv->ifindex);
}
if (drv->capa.flags2 & WPA_DRIVER_FLAGS2_CONTROL_PORT_RX) {
-@@ -9302,6 +9320,50 @@ static int wpa_driver_nl80211_if_remove(
+@@ -9304,6 +9322,50 @@ static int wpa_driver_nl80211_if_remove(
return 0;
}
static int cookie_handler(struct nl_msg *msg, void *arg)
{
-@@ -11180,6 +11242,37 @@ static bool nl80211_is_drv_shared(void *
+@@ -11182,6 +11244,37 @@ static bool nl80211_is_drv_shared(void *
#endif /* CONFIG_IEEE80211BE */
static int driver_nl80211_send_mlme(void *priv, const u8 *data,
size_t data_len, int noack,
unsigned int freq,
-@@ -14999,6 +15092,8 @@ const struct wpa_driver_ops wpa_driver_n
+@@ -15001,6 +15094,8 @@ const struct wpa_driver_ops wpa_driver_n
.set_acl = wpa_driver_nl80211_set_acl,
.if_add = wpa_driver_nl80211_if_add,
.if_remove = driver_nl80211_if_remove,
* get_wowlan - Get wake-on-wireless status
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
-@@ -12881,7 +12881,7 @@ static const char * drv_br_net_param_str
+@@ -12883,7 +12883,7 @@ static const char * drv_br_net_param_str
static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
{
struct i802_bss *bss = priv;
char path[128];
-@@ -12907,8 +12907,11 @@ static int wpa_driver_br_set_net_param(v
+@@ -12909,8 +12909,11 @@ static int wpa_driver_br_set_net_param(v
return -EINVAL;
}
* send_action - Transmit an Action frame
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
-@@ -8701,25 +8701,15 @@ int nl80211_has_ifidx(struct wpa_driver_
+@@ -8703,25 +8703,15 @@ static int have_ifidx(struct wpa_driver_
static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,