nl80211: Remove unnecessary struct nl80211_handles wrapper
Since the nl_cache is not used anymore, there is no need for maintaining the struct nl80211_handles wrapper for struct nl_handle. Clean this up by using nl_handle directly. Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen
parent
3088e4e52d
commit
481234cf1a
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@ -115,43 +115,34 @@ static void nl80211_handle_destroy(struct nl_handle *handle)
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#endif /* CONFIG_LIBNL20 */
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struct nl80211_handles {
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struct nl_handle *handle;
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};
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static int nl_create_handles(struct nl80211_handles *handles, struct nl_cb *cb,
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const char *dbg)
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static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
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{
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if (!handles)
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return -1;
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struct nl_handle *handle;
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handles->handle = nl80211_handle_alloc(cb);
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if (handles->handle == NULL) {
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handle = nl80211_handle_alloc(cb);
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if (handle == NULL) {
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wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
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"callbacks (%s)", dbg);
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return -1;
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return NULL;
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}
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if (genl_connect(handles->handle)) {
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if (genl_connect(handle)) {
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wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
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"netlink (%s)", dbg);
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goto err;
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nl80211_handle_destroy(handle);
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return NULL;
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}
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return 0;
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err:
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nl80211_handle_destroy(handles->handle);
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return -1;
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return handle;
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}
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static void nl_destroy_handles(struct nl80211_handles *handles)
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static void nl_destroy_handles(struct nl_handle **handle)
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{
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if (handles->handle == NULL)
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if (*handle == NULL)
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return;
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nl80211_handle_destroy(handles->handle);
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handles->handle = NULL;
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nl80211_handle_destroy(*handle);
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*handle = NULL;
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}
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@ -174,11 +165,11 @@ struct nl80211_global {
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int if_add_ifindex;
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struct netlink_data *netlink;
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struct nl_cb *nl_cb;
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struct nl80211_handles nl;
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struct nl_handle *nl;
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int nl80211_id;
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int ioctl_sock; /* socket for ioctl() use */
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struct nl80211_handles nl_event;
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struct nl_handle *nl_event;
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};
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struct nl80211_wiphy_data {
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@ -186,7 +177,7 @@ struct nl80211_wiphy_data {
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struct dl_list bsss;
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struct dl_list drvs;
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struct nl80211_handles nl_beacons;
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struct nl_handle *nl_beacons;
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struct nl_cb *nl_cb;
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int wiphy_idx;
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@ -207,7 +198,7 @@ struct i802_bss {
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int freq;
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struct nl80211_handles nl_preq, nl_mgmt;
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struct nl_handle *nl_preq, *nl_mgmt;
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struct nl_cb *nl_cb;
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struct nl80211_wiphy_data *wiphy_data;
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@ -451,7 +442,7 @@ static int send_and_recv_msgs_global(struct nl80211_global *global,
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int (*valid_handler)(struct nl_msg *, void *),
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void *valid_data)
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{
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return send_and_recv(global, global->nl.handle, msg, valid_handler,
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return send_and_recv(global, global->nl, msg, valid_handler,
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valid_data);
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}
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@ -461,7 +452,7 @@ static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
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int (*valid_handler)(struct nl_msg *, void *),
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void *valid_data)
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{
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return send_and_recv(drv->global, drv->global->nl.handle, msg,
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return send_and_recv(drv->global, drv->global->nl, msg,
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valid_handler, valid_data);
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}
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@ -513,8 +504,7 @@ static int nl_get_multicast_id(struct nl80211_global *global,
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msg = nlmsg_alloc();
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if (!msg)
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return -ENOMEM;
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genlmsg_put(msg, 0, 0,
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genl_ctrl_resolve(global->nl.handle, "nlctrl"),
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genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
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0, 0, CTRL_CMD_GETFAMILY, 0);
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NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
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@ -596,7 +586,7 @@ static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
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NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx);
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ret = send_and_recv(drv->global, w->nl_beacons.handle, msg, NULL, NULL);
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ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
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msg = NULL;
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if (ret) {
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wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
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@ -688,8 +678,9 @@ nl80211_get_wiphy_data_ap(struct i802_bss *bss)
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nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
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w);
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if (nl_create_handles(&w->nl_beacons, bss->drv->global->nl_cb,
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"wiphy beacons")) {
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w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
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"wiphy beacons");
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if (w->nl_beacons == NULL) {
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os_free(w);
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return NULL;
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}
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@ -700,9 +691,8 @@ nl80211_get_wiphy_data_ap(struct i802_bss *bss)
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return NULL;
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}
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eloop_register_read_sock(nl_socket_get_fd(w->nl_beacons.handle),
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nl80211_recv_beacons, w,
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w->nl_beacons.handle);
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eloop_register_read_sock(nl_socket_get_fd(w->nl_beacons),
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nl80211_recv_beacons, w, w->nl_beacons);
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dl_list_add(&nl80211_wiphys, &w->list);
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@ -749,7 +739,7 @@ static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
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if (!dl_list_empty(&w->bsss))
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return;
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eloop_unregister_read_sock(nl_socket_get_fd(w->nl_beacons.handle));
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eloop_unregister_read_sock(nl_socket_get_fd(w->nl_beacons));
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nl_cb_put(w->nl_cb);
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nl_destroy_handles(&w->nl_beacons);
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@ -2563,22 +2553,24 @@ static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
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return -1;
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}
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if (nl_create_handles(&global->nl, global->nl_cb, "nl"))
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global->nl = nl_create_handle(global->nl_cb, "nl");
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if (global->nl == NULL)
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goto err;
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global->nl80211_id = genl_ctrl_resolve(global->nl.handle, "nl80211");
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global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
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if (global->nl80211_id < 0) {
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wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
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"found");
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goto err;
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}
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if (nl_create_handles(&global->nl_event, global->nl_cb, "event"))
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global->nl_event = nl_create_handle(global->nl_cb, "event");
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if (global->nl_event == NULL)
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goto err;
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ret = nl_get_multicast_id(global, "nl80211", "scan");
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if (ret >= 0)
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ret = nl_socket_add_membership(global->nl_event.handle, ret);
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ret = nl_socket_add_membership(global->nl_event, ret);
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if (ret < 0) {
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wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
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"membership for scan events: %d (%s)",
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@ -2588,7 +2580,7 @@ static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
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ret = nl_get_multicast_id(global, "nl80211", "mlme");
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if (ret >= 0)
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ret = nl_socket_add_membership(global->nl_event.handle, ret);
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ret = nl_socket_add_membership(global->nl_event, ret);
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if (ret < 0) {
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wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
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"membership for mlme events: %d (%s)",
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@ -2598,7 +2590,7 @@ static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
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ret = nl_get_multicast_id(global, "nl80211", "regulatory");
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if (ret >= 0)
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ret = nl_socket_add_membership(global->nl_event.handle, ret);
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ret = nl_socket_add_membership(global->nl_event, ret);
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if (ret < 0) {
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wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
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"membership for regulatory events: %d (%s)",
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@ -2611,9 +2603,9 @@ static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
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nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
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process_global_event, global);
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eloop_register_read_sock(nl_socket_get_fd(global->nl_event.handle),
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eloop_register_read_sock(nl_socket_get_fd(global->nl_event),
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wpa_driver_nl80211_event_receive,
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global->nl_cb, global->nl_event.handle);
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global->nl_cb, global->nl_event);
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return 0;
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@ -2913,18 +2905,19 @@ static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
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{
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struct wpa_driver_nl80211_data *drv = bss->drv;
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if (bss->nl_mgmt.handle) {
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if (bss->nl_mgmt) {
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wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
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"already on!");
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return -1;
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}
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if (nl_create_handles(&bss->nl_mgmt, drv->nl_cb, "mgmt"))
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bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
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if (bss->nl_mgmt == NULL)
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return -1;
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eloop_register_read_sock(nl_socket_get_fd(bss->nl_mgmt.handle),
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eloop_register_read_sock(nl_socket_get_fd(bss->nl_mgmt),
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wpa_driver_nl80211_event_receive, bss->nl_cb,
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bss->nl_mgmt.handle);
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bss->nl_mgmt);
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return 0;
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}
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@ -2934,7 +2927,7 @@ static int nl80211_register_action_frame(struct i802_bss *bss,
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const u8 *match, size_t match_len)
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{
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u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
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return nl80211_register_frame(bss, bss->nl_mgmt.handle,
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return nl80211_register_frame(bss, bss->nl_mgmt,
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type, match, match_len);
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}
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@ -3015,7 +3008,7 @@ static int nl80211_register_spurious_class3(struct i802_bss *bss)
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NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
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ret = send_and_recv(drv->global, bss->nl_mgmt.handle, msg, NULL, NULL);
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ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL);
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msg = NULL;
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if (ret) {
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wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
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@ -3053,7 +3046,7 @@ static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
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return -1;
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for (i = 0; i < sizeof(stypes) / sizeof(stypes[0]); i++) {
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if (nl80211_register_frame(bss, bss->nl_mgmt.handle,
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if (nl80211_register_frame(bss, bss->nl_mgmt,
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(WLAN_FC_TYPE_MGMT << 2) |
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(stypes[i] << 4),
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NULL, 0) < 0) {
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@ -3070,7 +3063,7 @@ static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
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return 0;
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out_err:
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eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt.handle));
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eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
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nl_destroy_handles(&bss->nl_mgmt);
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return -1;
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}
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@ -3078,9 +3071,9 @@ out_err:
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static void nl80211_mgmt_unsubscribe(struct i802_bss *bss)
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{
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if (bss->nl_mgmt.handle == NULL)
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if (bss->nl_mgmt == NULL)
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return;
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eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt.handle));
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eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt));
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nl_destroy_handles(&bss->nl_mgmt);
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nl80211_put_wiphy_data_ap(bss);
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@ -3183,7 +3176,7 @@ static void wpa_driver_nl80211_deinit(void *priv)
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if (drv->eapol_tx_sock >= 0)
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close(drv->eapol_tx_sock);
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if (bss->nl_preq.handle)
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if (bss->nl_preq)
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wpa_driver_nl80211_probe_req_report(bss, 0);
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if (bss->added_if_into_bridge) {
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if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
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@ -7874,32 +7867,33 @@ static int wpa_driver_nl80211_probe_req_report(void *priv, int report)
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struct wpa_driver_nl80211_data *drv = bss->drv;
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if (!report) {
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if (bss->nl_preq.handle) {
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if (bss->nl_preq) {
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eloop_unregister_read_sock(
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nl_socket_get_fd(bss->nl_preq.handle));
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nl_socket_get_fd(bss->nl_preq));
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nl_destroy_handles(&bss->nl_preq);
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}
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return 0;
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}
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if (bss->nl_preq.handle) {
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if (bss->nl_preq) {
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wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
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"already on!");
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return 0;
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}
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if (nl_create_handles(&bss->nl_preq, drv->global->nl_cb, "preq"))
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bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
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if (bss->nl_preq == NULL)
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return -1;
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if (nl80211_register_frame(bss, bss->nl_preq.handle,
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if (nl80211_register_frame(bss, bss->nl_preq,
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(WLAN_FC_TYPE_MGMT << 2) |
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(WLAN_FC_STYPE_PROBE_REQ << 4),
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NULL, 0) < 0)
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goto out_err;
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eloop_register_read_sock(nl_socket_get_fd(bss->nl_preq.handle),
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eloop_register_read_sock(nl_socket_get_fd(bss->nl_preq),
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wpa_driver_nl80211_event_receive, bss->nl_cb,
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bss->nl_preq.handle);
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bss->nl_preq);
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return 0;
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@ -8209,9 +8203,9 @@ static void nl80211_global_deinit(void *priv)
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nl_destroy_handles(&global->nl);
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if (global->nl_event.handle) {
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if (global->nl_event) {
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eloop_unregister_read_sock(
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nl_socket_get_fd(global->nl_event.handle));
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nl_socket_get_fd(global->nl_event));
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nl_destroy_handles(&global->nl_event);
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}
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