*/
int (*send_external_auth_status)(void *priv,
struct external_auth *params);
+
+ /**
+ * set_4addr_mode - Set 4-address mode
+ * @priv: Private driver interface data
+ * @bridge_ifname: Bridge interface name
+ * @val: 0 - disable 4addr mode, 1 - enable 4addr mode
+ * Returns: 0 on success, < 0 on failure
+ */
+ int (*set_4addr_mode)(void *priv, const char *bridge_ifname, int val);
};
/**
}
+static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
+ int val)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+ int ret = -ENOBUFS;
+
+ wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
+ val ? "Enable" : "Disable", bridge_ifname);
+
+ msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
+ if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
+ goto fail;
+
+ if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
+ if (linux_br_del_if(drv->global->ioctl_sock,
+ bridge_ifname, bss->ifname)) {
+ wpa_printf(MSG_ERROR,
+ "nl80211: Failed to remove interface %s from bridge %s",
+ bss->ifname, bridge_ifname);
+ return -1;
+ }
+ bss->added_if_into_bridge = 0;
+ }
+
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ msg = NULL;
+ if (!ret) {
+ if (bridge_ifname[0] && val &&
+ i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
+ return -1;
+ return 0;
+ }
+
+fail:
+ nlmsg_free(msg);
+ wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
+
+ return ret;
+}
+
+
const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.name = "nl80211",
.desc = "Linux nl80211/cfg80211",
.get_ext_capab = nl80211_get_ext_capab,
.update_connect_params = nl80211_update_connection_params,
.send_external_auth_status = nl80211_send_external_auth_status,
+ .set_4addr_mode = nl80211_set_4addr_mode,
};
#endif /* CONFIG_DPP */
{ INT_RANGE(owe_group, 0, 65535) },
{ INT_RANGE(owe_only, 0, 1) },
+ { INT_RANGE(multi_ap_backhaul_sta, 0, 1) },
};
#undef OFFSET
* the selection attempts for OWE BSS exceed the configured threshold.
*/
int owe_transition_bss_select_count;
+
+ /**
+ * multi_ap_backhaul_sta - Multi-AP backhaul STA
+ * 0 = normal (non-Multi-AP) station
+ * 1 = Multi-AP backhaul station
+ */
+ int multi_ap_backhaul_sta;
};
#endif /* CONFIG_SSID_H */
params);
}
+static inline int wpa_drv_set_4addr_mode(struct wpa_supplicant *wpa_s, int val)
+{
+ if (!wpa_s->driver->set_4addr_mode)
+ return -1;
+ return wpa_s->driver->set_4addr_mode(wpa_s->drv_priv,
+ wpa_s->bridge_ifname, val);
+}
+
#endif /* DRIVER_I_H */
os_memset(wpa_s->last_tk, 0, sizeof(wpa_s->last_tk));
#endif /* CONFIG_TESTING_OPTIONS */
wpa_s->ieee80211ac = 0;
+
+ if (wpa_s->enabled_4addr_mode && wpa_drv_set_4addr_mode(wpa_s, 0) == 0)
+ wpa_s->enabled_4addr_mode = 0;
}
#endif /* CONFIG_INTERWORKING */
+static void multi_ap_process_assoc_resp(struct wpa_supplicant *wpa_s,
+ const u8 *ies, size_t ies_len)
+{
+ struct ieee802_11_elems elems;
+ const u8 *map_sub_elem, *pos;
+ size_t len;
+
+ if (!wpa_s->current_ssid ||
+ !wpa_s->current_ssid->multi_ap_backhaul_sta ||
+ !ies ||
+ ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed)
+ return;
+
+ if (!elems.multi_ap || elems.multi_ap_len < 7) {
+ wpa_printf(MSG_INFO, "AP doesn't support Multi-AP protocol");
+ goto fail;
+ }
+
+ pos = elems.multi_ap + 4;
+ len = elems.multi_ap_len - 4;
+
+ map_sub_elem = get_ie(pos, len, MULTI_AP_SUB_ELEM_TYPE);
+ if (!map_sub_elem || map_sub_elem[1] < 1) {
+ wpa_printf(MSG_INFO, "invalid Multi-AP sub elem type");
+ goto fail;
+ }
+
+ if (!(map_sub_elem[2] & MULTI_AP_BACKHAUL_BSS)) {
+ wpa_printf(MSG_INFO, "AP doesn't support backhaul BSS");
+ goto fail;
+ }
+
+ if (wpa_drv_set_4addr_mode(wpa_s, 1) < 0) {
+ wpa_printf(MSG_ERROR, "Failed to set 4addr mode");
+ goto fail;
+ }
+ wpa_s->enabled_4addr_mode = 1;
+ return;
+
+fail:
+ wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
+}
+
+
#ifdef CONFIG_FST
static int wpas_fst_update_mbie(struct wpa_supplicant *wpa_s,
const u8 *ie, size_t ie_len)
get_ie(data->assoc_info.resp_ies,
data->assoc_info.resp_ies_len, WLAN_EID_VHT_CAP))
wpa_s->ieee80211ac = 1;
+
+ multi_ap_process_assoc_resp(wpa_s, data->assoc_info.resp_ies,
+ data->assoc_info.resp_ies_len);
}
if (data->assoc_info.beacon_ies)
wpa_hexdump(MSG_DEBUG, "beacon_ies",
}
#endif /* CONFIG_OWE */
+ if (wpa_s->current_ssid && wpa_s->current_ssid->multi_ap_backhaul_sta) {
+ size_t multi_ap_ie_len;
+
+ multi_ap_ie_len = add_multi_ap_ie(
+ wpa_s->sme.assoc_req_ie + wpa_s->sme.assoc_req_ie_len,
+ sizeof(wpa_s->sme.assoc_req_ie) -
+ wpa_s->sme.assoc_req_ie_len,
+ MULTI_AP_BACKHAUL_STA);
+ if (multi_ap_ie_len == 0) {
+ wpa_printf(MSG_ERROR,
+ "Multi-AP: Failed to build Multi-AP IE");
+ return;
+ }
+ wpa_s->sme.assoc_req_ie_len += multi_ap_ie_len;
+ }
+
params.bssid = bssid;
params.ssid = wpa_s->sme.ssid;
params.ssid_len = wpa_s->sme.ssid_len;
}
#endif /* CONFIG_IEEE80211R */
+ if (ssid->multi_ap_backhaul_sta) {
+ size_t multi_ap_ie_len;
+
+ multi_ap_ie_len = add_multi_ap_ie(wpa_ie + wpa_ie_len,
+ max_wpa_ie_len - wpa_ie_len,
+ MULTI_AP_BACKHAUL_STA);
+ if (multi_ap_ie_len == 0) {
+ wpa_printf(MSG_ERROR,
+ "Multi-AP: Failed to build Multi-AP IE");
+ os_free(wpa_ie);
+ return NULL;
+ }
+ wpa_ie_len += multi_ap_ie_len;
+ }
+
params->wpa_ie = wpa_ie;
params->wpa_ie_len = wpa_ie_len;
params->auth_alg = algs;
zero_addr = 1;
}
+ if (wpa_s->enabled_4addr_mode && wpa_drv_set_4addr_mode(wpa_s, 0) == 0)
+ wpa_s->enabled_4addr_mode = 0;
+
#ifdef CONFIG_TDLS
wpa_tdls_teardown_peers(wpa_s->wpa);
#endif /* CONFIG_TDLS */
# 2: MCS 0-9
# 3: not supported
+# multi_ap_backhaul_sta: Multi-AP backhaul STA functionality
+# 0 = normal STA (default)
+# 1 = backhaul STA
+# A backhaul STA sends the Multi-AP IE, fails to associate if the AP does not
+# support Multi-AP, and sets 4-address mode if it does. Thus, the netdev can be
+# added to a bridge to allow forwarding frames over this backhaul link.
+
##### Fast Session Transfer (FST) support #####################################
#
# The options in this section are only available when the build configuration
unsigned int disable_fils:1;
#endif /* CONFIG_FILS */
unsigned int ieee80211ac:1;
+ unsigned int enabled_4addr_mode:1;
};