static void nl80211_global_deinit(void *priv);
+static void nl80211_check_global(struct nl80211_global *global);
static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
return 1;
if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
+ nl80211_check_global(drv->global);
wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
"interface");
wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
}
+static void nl80211_check_global(struct nl80211_global *global)
+{
+ struct nl_handle *handle;
+ const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
+ int ret;
+ unsigned int i;
+
+ /*
+ * Try to re-add memberships to handle case of cfg80211 getting reloaded
+ * and all registration having been cleared.
+ */
+ handle = (void *) (((intptr_t) global->nl_event) ^
+ ELOOP_SOCKET_INVALID);
+
+ for (i = 0; groups[i]; i++) {
+ ret = nl_get_multicast_id(global, "nl80211", groups[i]);
+ if (ret >= 0)
+ ret = nl_socket_add_membership(handle, ret);
+ if (ret < 0) {
+ wpa_printf(MSG_INFO,
+ "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
+ groups[i], ret, strerror(-ret));
+ }
+ }
+}
+
+
static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
{
wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
}
if (drv->global) {
+ nl80211_check_global(drv->global);
dl_list_add(&drv->global->interfaces, &drv->list);
drv->in_interface_list = 1;
}