nl80211: Create a netlink socket handle for the Connect interface
This netlink socket handle owns the connect request and is further used by the host driver/kernel to request for the external authentication. Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Sunil Dutt
Jouni Malinen
parent
ba71cb821a
commit
40a68f3384
3 changed files with 59 additions and 22 deletions
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@ -130,7 +130,7 @@ static void nl_destroy_handles(struct nl_handle **handle)
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static void nl80211_register_eloop_read(struct nl_handle **handle,
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eloop_sock_handler handler,
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void *eloop_data)
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void *eloop_data, int persist)
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{
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#ifdef CONFIG_LIBNL20
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/*
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@ -151,13 +151,17 @@ static void nl80211_register_eloop_read(struct nl_handle **handle,
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nl_socket_set_nonblocking(*handle);
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eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
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eloop_data, *handle);
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*handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
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if (!persist)
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*handle = (void *) (((intptr_t) *handle) ^
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ELOOP_SOCKET_INVALID);
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}
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static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
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static void nl80211_destroy_eloop_handle(struct nl_handle **handle, int persist)
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{
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*handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
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if (!persist)
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*handle = (void *) (((intptr_t) *handle) ^
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ELOOP_SOCKET_INVALID);
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eloop_unregister_read_sock(nl_socket_get_fd(*handle));
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nl_destroy_handles(handle);
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}
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@ -723,7 +727,7 @@ nl80211_get_wiphy_data_ap(struct i802_bss *bss)
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}
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nl80211_register_eloop_read(&w->nl_beacons,
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nl80211_recv_beacons, w);
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nl80211_recv_beacons, w, 0);
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}
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dl_list_add(&nl80211_wiphys, &w->list);
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@ -772,7 +776,7 @@ static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
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return;
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if (w->nl_beacons)
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nl80211_destroy_eloop_handle(&w->nl_beacons);
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nl80211_destroy_eloop_handle(&w->nl_beacons, 0);
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nl_cb_put(w->nl_cb);
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dl_list_del(&w->list);
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@ -1631,7 +1635,7 @@ static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
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nl80211_register_eloop_read(&global->nl_event,
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wpa_driver_nl80211_event_receive,
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global->nl_cb);
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global->nl_cb, 0);
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return 0;
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@ -1997,7 +2001,7 @@ static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
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{
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nl80211_register_eloop_read(&bss->nl_mgmt,
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wpa_driver_nl80211_event_receive,
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bss->nl_cb);
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bss->nl_cb, 0);
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}
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@ -2010,6 +2014,25 @@ static int nl80211_register_action_frame(struct i802_bss *bss,
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}
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static int nl80211_init_connect_handle(struct i802_bss *bss)
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{
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if (bss->nl_connect) {
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wpa_printf(MSG_DEBUG,
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"nl80211: Connect handle already created (nl_connect=%p)",
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bss->nl_connect);
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return -1;
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}
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bss->nl_connect = nl_create_handle(bss->nl_cb, "connect");
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if (!bss->nl_connect)
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return -1;
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nl80211_register_eloop_read(&bss->nl_connect,
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wpa_driver_nl80211_event_receive,
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bss->nl_cb, 1);
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return 0;
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}
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static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
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{
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struct wpa_driver_nl80211_data *drv = bss->drv;
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@ -2313,7 +2336,7 @@ static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
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return;
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wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
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"(%s)", bss->nl_mgmt, reason);
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nl80211_destroy_eloop_handle(&bss->nl_mgmt);
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nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0);
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nl80211_put_wiphy_data_ap(bss);
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}
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@ -2529,6 +2552,8 @@ wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
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if (drv->vendor_cmd_test_avail)
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qca_vendor_test(drv);
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nl80211_init_connect_handle(bss);
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return 0;
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}
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@ -2642,6 +2667,9 @@ static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
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nl80211_del_p2pdev(bss);
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}
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if (bss->nl_connect)
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nl80211_destroy_eloop_handle(&bss->nl_connect, 1);
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nl80211_destroy_bss(drv->first_bss);
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os_free(drv->filter_ssids);
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@ -5381,7 +5409,8 @@ static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
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static int wpa_driver_nl80211_try_connect(
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struct wpa_driver_nl80211_data *drv,
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struct wpa_driver_associate_params *params)
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struct wpa_driver_associate_params *params,
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struct nl_handle *nl_connect)
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{
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struct nl_msg *msg;
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enum nl80211_auth_type type;
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@ -5435,7 +5464,11 @@ skip_auth_type:
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if (ret)
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goto fail;
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if (nl_connect)
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ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
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else
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ret = send_and_recv_msgs(drv, msg, NULL, NULL);
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msg = NULL;
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if (ret) {
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wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
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@ -5454,7 +5487,8 @@ fail:
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static int wpa_driver_nl80211_connect(
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struct wpa_driver_nl80211_data *drv,
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struct wpa_driver_associate_params *params)
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struct wpa_driver_associate_params *params,
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struct nl_handle *nl_connect)
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{
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int ret;
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@ -5464,7 +5498,7 @@ static int wpa_driver_nl80211_connect(
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else
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os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
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ret = wpa_driver_nl80211_try_connect(drv, params);
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ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
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if (ret == -EALREADY) {
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/*
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* cfg80211 does not currently accept new connections if
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@ -5477,7 +5511,7 @@ static int wpa_driver_nl80211_connect(
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if (wpa_driver_nl80211_disconnect(
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drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
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return -1;
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ret = wpa_driver_nl80211_try_connect(drv, params);
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ret = wpa_driver_nl80211_try_connect(drv, params, nl_connect);
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}
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return ret;
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}
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@ -5502,10 +5536,13 @@ static int wpa_driver_nl80211_associate(
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if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
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enum nl80211_iftype nlmode = params->p2p ?
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NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
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struct nl_handle *nl_connect = NULL;
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if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
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return -1;
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return wpa_driver_nl80211_connect(drv, params);
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if (params->auth_alg & WPA_AUTH_ALG_SAE)
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nl_connect = bss->nl_connect;
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return wpa_driver_nl80211_connect(drv, params, nl_connect);
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}
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nl80211_mark_disconnected(drv);
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@ -7215,7 +7252,7 @@ static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
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} else if (bss->nl_preq) {
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wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
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"reporting nl_preq=%p", bss->nl_preq);
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nl80211_destroy_eloop_handle(&bss->nl_preq);
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nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
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}
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return 0;
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}
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@ -7240,7 +7277,7 @@ static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
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nl80211_register_eloop_read(&bss->nl_preq,
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wpa_driver_nl80211_event_receive,
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bss->nl_cb);
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bss->nl_cb, 0);
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return 0;
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@ -7555,7 +7592,7 @@ static void nl80211_global_deinit(void *priv)
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nl_destroy_handles(&global->nl);
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if (global->nl_event)
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nl80211_destroy_eloop_handle(&global->nl_event);
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nl80211_destroy_eloop_handle(&global->nl_event, 0);
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nl_cb_put(global->nl_cb);
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@ -73,7 +73,7 @@ struct i802_bss {
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int if_dynamic;
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void *ctx;
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struct nl_handle *nl_preq, *nl_mgmt;
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struct nl_handle *nl_preq, *nl_mgmt, *nl_connect;
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struct nl_cb *nl_cb;
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struct nl80211_wiphy_data *wiphy_data;
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@ -2418,9 +2418,6 @@ static void do_process_drv_event(struct i802_bss *bss, int cmd,
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case NL80211_CMD_NEW_PEER_CANDIDATE:
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nl80211_new_peer_candidate(drv, tb);
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break;
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case NL80211_CMD_EXTERNAL_AUTH:
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nl80211_external_auth(drv, tb);
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break;
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default:
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wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
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"(cmd=%d)", cmd);
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@ -2506,6 +2503,9 @@ int process_bss_event(struct nl_msg *msg, void *arg)
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case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
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nl80211_spurious_frame(bss, tb, 1);
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break;
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case NL80211_CMD_EXTERNAL_AUTH:
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nl80211_external_auth(bss->drv, tb);
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break;
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default:
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wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
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"(cmd=%d)", gnlh->cmd);
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