2 * Driver interaction with Linux nl80211/cfg80211
3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
7 * Copyright (c) 2009-2010, Atheros Communications
9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
14 #include <sys/types.h>
17 #include <netlink/genl/genl.h>
18 #include <netlink/genl/ctrl.h>
19 #ifdef CONFIG_LIBNL3_ROUTE
20 #include <netlink/route/neighbour.h>
21 #endif /* CONFIG_LIBNL3_ROUTE */
22 #include <linux/rtnetlink.h>
23 #include <netpacket/packet.h>
24 #include <linux/errqueue.h>
28 #include "common/qca-vendor.h"
29 #include "common/qca-vendor-attr.h"
30 #include "common/ieee802_11_defs.h"
31 #include "common/ieee802_11_common.h"
32 #include "l2_packet/l2_packet.h"
34 #include "linux_defines.h"
35 #include "linux_ioctl.h"
37 #include "radiotap_iter.h"
39 #include "driver_nl80211.h"
42 #ifndef CONFIG_LIBNL20
44 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
45 * but when you free a socket again it will mess up its bitmap and
46 * and use the wrong number the next time it needs a socket ID.
47 * Therefore, we wrap the handle alloc/destroy and add our own pid
50 static uint32_t port_bitmap[32] = { 0 };
52 static struct nl_handle *nl80211_handle_alloc(void *cb)
54 struct nl_handle *handle;
55 uint32_t pid = getpid() & 0x3FFFFF;
58 handle = nl_handle_alloc_cb(cb);
60 for (i = 0; i < 1024; i++) {
61 if (port_bitmap[i / 32] & (1 << (i % 32)))
63 port_bitmap[i / 32] |= 1 << (i % 32);
68 nl_socket_set_local_port(handle, pid);
73 static void nl80211_handle_destroy(struct nl_handle *handle)
75 uint32_t port = nl_socket_get_local_port(handle);
78 port_bitmap[port / 32] &= ~(1 << (port % 32));
80 nl_handle_destroy(handle);
82 #endif /* CONFIG_LIBNL20 */
86 /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
87 #undef nl_socket_set_nonblocking
88 #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
93 static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
95 struct nl_handle *handle;
97 handle = nl80211_handle_alloc(cb);
99 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
100 "callbacks (%s)", dbg);
104 if (genl_connect(handle)) {
105 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
106 "netlink (%s)", dbg);
107 nl80211_handle_destroy(handle);
115 static void nl_destroy_handles(struct nl_handle **handle)
119 nl80211_handle_destroy(*handle);
125 #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
127 #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
130 static void nl80211_register_eloop_read(struct nl_handle **handle,
131 eloop_sock_handler handler,
134 #ifdef CONFIG_LIBNL20
136 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
137 * by default. It is possible to hit that limit in some cases where
138 * operations are blocked, e.g., with a burst of Deauthentication frames
139 * to hostapd and STA entry deletion. Try to increase the buffer to make
140 * this less likely to occur.
142 if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
143 wpa_printf(MSG_DEBUG,
144 "nl80211: Could not set nl_socket RX buffer size: %s",
146 /* continue anyway with the default (smaller) buffer */
148 #endif /* CONFIG_LIBNL20 */
150 nl_socket_set_nonblocking(*handle);
151 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
152 eloop_data, *handle);
153 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
157 static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
159 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
160 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
161 nl_destroy_handles(handle);
165 static void nl80211_global_deinit(void *priv);
166 static void nl80211_check_global(struct nl80211_global *global);
168 static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
169 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
170 struct hostapd_freq_params *freq);
173 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
174 const u8 *set_addr, int first,
175 const char *driver_params);
176 static int nl80211_send_frame_cmd(struct i802_bss *bss,
177 unsigned int freq, unsigned int wait,
178 const u8 *buf, size_t buf_len, u64 *cookie,
179 int no_cck, int no_ack, int offchanok);
180 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
183 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
184 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
185 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
187 static int nl80211_set_channel(struct i802_bss *bss,
188 struct hostapd_freq_params *freq, int set_chan);
189 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
190 int ifindex, int disabled);
192 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
195 static int i802_set_iface_flags(struct i802_bss *bss, int up);
196 static int nl80211_set_param(void *priv, const char *param);
199 /* Converts nl80211_chan_width to a common format */
200 enum chan_width convert2width(int width)
203 case NL80211_CHAN_WIDTH_20_NOHT:
204 return CHAN_WIDTH_20_NOHT;
205 case NL80211_CHAN_WIDTH_20:
206 return CHAN_WIDTH_20;
207 case NL80211_CHAN_WIDTH_40:
208 return CHAN_WIDTH_40;
209 case NL80211_CHAN_WIDTH_80:
210 return CHAN_WIDTH_80;
211 case NL80211_CHAN_WIDTH_80P80:
212 return CHAN_WIDTH_80P80;
213 case NL80211_CHAN_WIDTH_160:
214 return CHAN_WIDTH_160;
216 return CHAN_WIDTH_UNKNOWN;
220 int is_ap_interface(enum nl80211_iftype nlmode)
222 return nlmode == NL80211_IFTYPE_AP ||
223 nlmode == NL80211_IFTYPE_P2P_GO;
227 int is_sta_interface(enum nl80211_iftype nlmode)
229 return nlmode == NL80211_IFTYPE_STATION ||
230 nlmode == NL80211_IFTYPE_P2P_CLIENT;
234 static int is_p2p_net_interface(enum nl80211_iftype nlmode)
236 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
237 nlmode == NL80211_IFTYPE_P2P_GO;
241 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
244 struct i802_bss *bss;
246 for (bss = drv->first_bss; bss; bss = bss->next) {
247 if (bss->ifindex == ifindex)
255 static int is_mesh_interface(enum nl80211_iftype nlmode)
257 return nlmode == NL80211_IFTYPE_MESH_POINT;
261 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
264 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
266 os_memset(drv->bssid, 0, ETH_ALEN);
271 static int ack_handler(struct nl_msg *msg, void *arg)
278 static int finish_handler(struct nl_msg *msg, void *arg)
285 static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
294 static int no_seq_check(struct nl_msg *msg, void *arg)
300 static void nl80211_nlmsg_clear(struct nl_msg *msg)
303 * Clear nlmsg data, e.g., to make sure key material is not left in
304 * heap memory for unnecessarily long time.
307 struct nlmsghdr *hdr = nlmsg_hdr(msg);
308 void *data = nlmsg_data(hdr);
310 * This would use nlmsg_datalen() or the older nlmsg_len() if
311 * only libnl were to maintain a stable API.. Neither will work
312 * with all released versions, so just calculate the length
315 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
317 os_memset(data, 0, len);
322 static int send_and_recv(struct nl80211_global *global,
323 struct nl_handle *nl_handle, struct nl_msg *msg,
324 int (*valid_handler)(struct nl_msg *, void *),
333 cb = nl_cb_clone(global->nl_cb);
337 err = nl_send_auto_complete(nl_handle, msg);
343 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
344 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
345 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
348 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
349 valid_handler, valid_data);
352 int res = nl_recvmsgs(nl_handle, cb);
355 "nl80211: %s->nl_recvmsgs failed: %d",
361 if (!valid_handler && valid_data == (void *) -1)
362 nl80211_nlmsg_clear(msg);
368 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
370 int (*valid_handler)(struct nl_msg *, void *),
373 return send_and_recv(drv->global, drv->global->nl, msg,
374 valid_handler, valid_data);
384 static int family_handler(struct nl_msg *msg, void *arg)
386 struct family_data *res = arg;
387 struct nlattr *tb[CTRL_ATTR_MAX + 1];
388 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
389 struct nlattr *mcgrp;
392 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
393 genlmsg_attrlen(gnlh, 0), NULL);
394 if (!tb[CTRL_ATTR_MCAST_GROUPS])
397 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
398 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
399 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
400 nla_len(mcgrp), NULL);
401 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
402 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
403 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
405 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
407 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
415 static int nl_get_multicast_id(struct nl80211_global *global,
416 const char *family, const char *group)
420 struct family_data res = { group, -ENOENT };
425 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
426 0, 0, CTRL_CMD_GETFAMILY, 0) ||
427 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
432 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
439 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
440 struct nl_msg *msg, int flags, uint8_t cmd)
442 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
447 static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
449 if (bss->wdev_id_set)
450 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
451 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
455 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
463 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
464 nl80211_set_iface_id(msg, bss) < 0) {
473 static struct nl_msg *
474 nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
475 int flags, uint8_t cmd)
483 if (!nl80211_cmd(drv, msg, flags, cmd) ||
484 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
493 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
496 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
500 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
502 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
506 struct wiphy_idx_data {
508 enum nl80211_iftype nlmode;
513 static int netdev_info_handler(struct nl_msg *msg, void *arg)
515 struct nlattr *tb[NL80211_ATTR_MAX + 1];
516 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
517 struct wiphy_idx_data *info = arg;
519 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
520 genlmsg_attrlen(gnlh, 0), NULL);
522 if (tb[NL80211_ATTR_WIPHY])
523 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
525 if (tb[NL80211_ATTR_IFTYPE])
526 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
528 if (tb[NL80211_ATTR_MAC] && info->macaddr)
529 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
536 int nl80211_get_wiphy_index(struct i802_bss *bss)
539 struct wiphy_idx_data data = {
544 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
547 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
548 return data.wiphy_idx;
553 static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
556 struct wiphy_idx_data data = {
557 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
561 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
562 return NL80211_IFTYPE_UNSPECIFIED;
564 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
566 return NL80211_IFTYPE_UNSPECIFIED;
570 static int nl80211_get_macaddr(struct i802_bss *bss)
573 struct wiphy_idx_data data = {
574 .macaddr = bss->addr,
577 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
580 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
584 static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
585 struct nl80211_wiphy_data *w)
594 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
595 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
600 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
602 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
603 "failed: ret=%d (%s)",
604 ret, strerror(-ret));
610 static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
612 struct nl80211_wiphy_data *w = eloop_ctx;
615 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
617 res = nl_recvmsgs(handle, w->nl_cb);
619 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
625 static int process_beacon_event(struct nl_msg *msg, void *arg)
627 struct nl80211_wiphy_data *w = arg;
628 struct wpa_driver_nl80211_data *drv;
629 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
630 struct nlattr *tb[NL80211_ATTR_MAX + 1];
631 union wpa_event_data event;
633 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
634 genlmsg_attrlen(gnlh, 0), NULL);
636 if (gnlh->cmd != NL80211_CMD_FRAME) {
637 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
642 if (!tb[NL80211_ATTR_FRAME])
645 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
647 os_memset(&event, 0, sizeof(event));
648 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
649 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
650 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
657 static struct nl80211_wiphy_data *
658 nl80211_get_wiphy_data_ap(struct i802_bss *bss)
660 static DEFINE_DL_LIST(nl80211_wiphys);
661 struct nl80211_wiphy_data *w;
662 int wiphy_idx, found = 0;
663 struct i802_bss *tmp_bss;
665 if (bss->wiphy_data != NULL)
666 return bss->wiphy_data;
668 wiphy_idx = nl80211_get_wiphy_index(bss);
670 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
671 if (w->wiphy_idx == wiphy_idx)
676 w = os_zalloc(sizeof(*w));
679 w->wiphy_idx = wiphy_idx;
680 dl_list_init(&w->bsss);
681 dl_list_init(&w->drvs);
683 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
688 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
689 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
692 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
694 if (w->nl_beacons == NULL) {
699 if (nl80211_register_beacons(bss->drv, w)) {
700 nl_destroy_handles(&w->nl_beacons);
705 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
707 dl_list_add(&nl80211_wiphys, &w->list);
710 /* drv entry for this bss already there? */
711 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
712 if (tmp_bss->drv == bss->drv) {
719 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
721 dl_list_add(&w->bsss, &bss->wiphy_list);
727 static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
729 struct nl80211_wiphy_data *w = bss->wiphy_data;
730 struct i802_bss *tmp_bss;
735 bss->wiphy_data = NULL;
736 dl_list_del(&bss->wiphy_list);
738 /* still any for this drv present? */
739 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
740 if (tmp_bss->drv == bss->drv) {
745 /* if not remove it */
747 dl_list_del(&bss->drv->wiphy_list);
749 if (!dl_list_empty(&w->bsss))
752 nl80211_destroy_eloop_handle(&w->nl_beacons);
755 dl_list_del(&w->list);
760 static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
762 struct i802_bss *bss = priv;
763 struct wpa_driver_nl80211_data *drv = bss->drv;
764 if (!drv->associated)
766 os_memcpy(bssid, drv->bssid, ETH_ALEN);
771 static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
773 struct i802_bss *bss = priv;
774 struct wpa_driver_nl80211_data *drv = bss->drv;
775 if (!drv->associated)
777 os_memcpy(ssid, drv->ssid, drv->ssid_len);
778 return drv->ssid_len;
782 static void wpa_driver_nl80211_event_newlink(
783 struct wpa_driver_nl80211_data *drv, const char *ifname)
785 union wpa_event_data event;
787 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
788 if (if_nametoindex(drv->first_bss->ifname) == 0) {
789 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
790 drv->first_bss->ifname);
793 if (!drv->if_removed)
795 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
796 drv->first_bss->ifname);
800 os_memset(&event, 0, sizeof(event));
801 os_strlcpy(event.interface_status.ifname, ifname,
802 sizeof(event.interface_status.ifname));
803 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
804 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
808 static void wpa_driver_nl80211_event_dellink(
809 struct wpa_driver_nl80211_data *drv, const char *ifname)
811 union wpa_event_data event;
813 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
814 if (drv->if_removed) {
815 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
819 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
823 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
827 os_memset(&event, 0, sizeof(event));
828 os_strlcpy(event.interface_status.ifname, ifname,
829 sizeof(event.interface_status.ifname));
830 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
831 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
835 static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
838 int attrlen, rta_len;
842 attr = (struct rtattr *) buf;
844 rta_len = RTA_ALIGN(sizeof(struct rtattr));
845 while (RTA_OK(attr, attrlen)) {
846 if (attr->rta_type == IFLA_IFNAME) {
847 if (os_strcmp(((char *) attr) + rta_len,
848 drv->first_bss->ifname) == 0)
853 attr = RTA_NEXT(attr, attrlen);
860 static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
861 int ifindex, u8 *buf, size_t len)
863 if (drv->ifindex == ifindex)
866 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
867 nl80211_check_global(drv->global);
868 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
870 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
878 static struct wpa_driver_nl80211_data *
879 nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
881 struct wpa_driver_nl80211_data *drv;
882 dl_list_for_each(drv, &global->interfaces,
883 struct wpa_driver_nl80211_data, list) {
884 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
885 have_ifidx(drv, idx))
892 static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
893 struct ifinfomsg *ifi,
896 struct nl80211_global *global = ctx;
897 struct wpa_driver_nl80211_data *drv;
901 char namebuf[IFNAMSIZ];
902 char ifname[IFNAMSIZ + 1];
903 char extra[100], *pos, *end;
905 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
907 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d",
914 end = pos + sizeof(extra);
918 attr = (struct rtattr *) buf;
919 while (RTA_OK(attr, attrlen)) {
920 switch (attr->rta_type) {
922 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
924 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
925 ifname[RTA_PAYLOAD(attr)] = '\0';
928 brid = nla_get_u32((struct nlattr *) attr);
929 pos += os_snprintf(pos, end - pos, " master=%u", brid);
932 pos += os_snprintf(pos, end - pos, " wext");
935 pos += os_snprintf(pos, end - pos, " operstate=%u",
936 nla_get_u32((struct nlattr *) attr));
939 pos += os_snprintf(pos, end - pos, " linkmode=%u",
940 nla_get_u32((struct nlattr *) attr));
943 attr = RTA_NEXT(attr, attrlen);
945 extra[sizeof(extra) - 1] = '\0';
947 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
948 ifi->ifi_index, ifname, extra, ifi->ifi_family,
950 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
951 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
952 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
953 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
955 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
957 if (if_indextoname(ifi->ifi_index, namebuf) &&
958 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
959 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
960 "event since interface %s is up", namebuf);
961 drv->ignore_if_down_event = 0;
964 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
966 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
967 wpa_printf(MSG_DEBUG,
968 "nl80211: Not the main interface (%s) - do not indicate interface down",
969 drv->first_bss->ifname);
970 } else if (drv->ignore_if_down_event) {
971 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
972 "event generated by mode change");
973 drv->ignore_if_down_event = 0;
975 drv->if_disabled = 1;
976 wpa_supplicant_event(drv->ctx,
977 EVENT_INTERFACE_DISABLED, NULL);
980 * Try to get drv again, since it may be removed as
981 * part of the EVENT_INTERFACE_DISABLED handling for
984 drv = nl80211_find_drv(global, ifi->ifi_index,
991 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
992 if (if_indextoname(ifi->ifi_index, namebuf) &&
993 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
994 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
995 "event since interface %s is down",
997 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
998 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
999 "event since interface %s does not exist",
1000 drv->first_bss->ifname);
1001 } else if (drv->if_removed) {
1002 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1003 "event since interface %s is marked "
1004 "removed", drv->first_bss->ifname);
1006 struct i802_bss *bss;
1009 /* Re-read MAC address as it may have changed */
1010 bss = get_bss_ifindex(drv, ifi->ifi_index);
1012 linux_get_ifhwaddr(drv->global->ioctl_sock,
1013 bss->ifname, addr) < 0) {
1014 wpa_printf(MSG_DEBUG,
1015 "nl80211: %s: failed to re-read MAC address",
1018 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
1019 wpa_printf(MSG_DEBUG,
1020 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1021 MACSTR " to " MACSTR,
1022 ifi->ifi_index, bss->ifname,
1025 os_memcpy(bss->addr, addr, ETH_ALEN);
1028 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1029 drv->if_disabled = 0;
1030 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1036 * Some drivers send the association event before the operup event--in
1037 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1038 * fails. This will hit us when wpa_supplicant does not need to do
1039 * IEEE 802.1X authentication
1041 if (drv->operstate == 1 &&
1042 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1043 !(ifi->ifi_flags & IFF_RUNNING)) {
1044 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1045 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
1050 wpa_driver_nl80211_event_newlink(drv, ifname);
1052 if (ifi->ifi_family == AF_BRIDGE && brid) {
1053 struct i802_bss *bss;
1055 /* device has been added to bridge */
1056 if (!if_indextoname(brid, namebuf)) {
1057 wpa_printf(MSG_DEBUG,
1058 "nl80211: Could not find bridge ifname for ifindex %u",
1062 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1064 add_ifidx(drv, brid);
1066 for (bss = drv->first_bss; bss; bss = bss->next) {
1067 if (os_strcmp(ifname, bss->ifname) == 0) {
1068 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1076 static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1077 struct ifinfomsg *ifi,
1078 u8 *buf, size_t len)
1080 struct nl80211_global *global = ctx;
1081 struct wpa_driver_nl80211_data *drv;
1083 struct rtattr *attr;
1085 char ifname[IFNAMSIZ + 1];
1086 char extra[100], *pos, *end;
1088 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1090 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d",
1097 end = pos + sizeof(extra);
1101 attr = (struct rtattr *) buf;
1102 while (RTA_OK(attr, attrlen)) {
1103 switch (attr->rta_type) {
1105 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1107 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1108 ifname[RTA_PAYLOAD(attr)] = '\0';
1111 brid = nla_get_u32((struct nlattr *) attr);
1112 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1114 case IFLA_OPERSTATE:
1115 pos += os_snprintf(pos, end - pos, " operstate=%u",
1116 nla_get_u32((struct nlattr *) attr));
1119 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1120 nla_get_u32((struct nlattr *) attr));
1123 attr = RTA_NEXT(attr, attrlen);
1125 extra[sizeof(extra) - 1] = '\0';
1127 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1128 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1130 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1131 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1132 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1133 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1135 if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid))
1136 wpa_driver_nl80211_event_dellink(drv, ifname);
1138 if (ifi->ifi_family == AF_BRIDGE && brid) {
1139 /* device has been removed from bridge */
1140 char namebuf[IFNAMSIZ];
1142 if (!if_indextoname(brid, namebuf)) {
1143 wpa_printf(MSG_DEBUG,
1144 "nl80211: Could not find bridge ifname for ifindex %u",
1147 wpa_printf(MSG_DEBUG,
1148 "nl80211: Remove ifindex %u for bridge %s",
1151 del_ifidx(drv, brid);
1156 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1160 struct nl80211_bss_info_arg arg;
1162 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1163 os_memset(&arg, 0, sizeof(arg));
1165 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1167 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1168 arg.ibss_freq : arg.assoc_freq;
1169 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1170 "associated BSS from scan results: %u MHz", freq);
1172 drv->assoc_freq = freq;
1173 return drv->assoc_freq;
1175 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1176 "(%s)", ret, strerror(-ret));
1177 return drv->assoc_freq;
1181 static int get_link_signal(struct nl_msg *msg, void *arg)
1183 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1184 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1185 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1186 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1187 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
1188 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
1189 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8 },
1191 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1192 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1193 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1194 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1195 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1196 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1198 struct wpa_signal_info *sig_change = arg;
1200 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1201 genlmsg_attrlen(gnlh, 0), NULL);
1202 if (!tb[NL80211_ATTR_STA_INFO] ||
1203 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1204 tb[NL80211_ATTR_STA_INFO], policy))
1206 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1209 sig_change->current_signal =
1210 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1212 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1213 sig_change->avg_signal =
1214 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1216 sig_change->avg_signal = 0;
1218 if (sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
1219 sig_change->avg_beacon_signal =
1221 nla_get_u8(sinfo[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
1223 sig_change->avg_beacon_signal = 0;
1225 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1226 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1227 sinfo[NL80211_STA_INFO_TX_BITRATE],
1229 sig_change->current_txrate = 0;
1231 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1232 sig_change->current_txrate =
1234 NL80211_RATE_INFO_BITRATE]) * 100;
1243 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1244 struct wpa_signal_info *sig)
1248 sig->current_signal = -9999;
1249 sig->current_txrate = 0;
1251 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
1252 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1257 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
1261 static int get_link_noise(struct nl_msg *msg, void *arg)
1263 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1264 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1265 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1266 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1267 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1268 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1270 struct wpa_signal_info *sig_change = arg;
1272 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1273 genlmsg_attrlen(gnlh, 0), NULL);
1275 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1276 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1280 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1281 tb[NL80211_ATTR_SURVEY_INFO],
1283 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1288 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1291 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1292 sig_change->frequency)
1295 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1298 sig_change->current_noise =
1299 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1305 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1306 struct wpa_signal_info *sig_change)
1310 sig_change->current_noise = 9999;
1311 sig_change->frequency = drv->assoc_freq;
1313 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1314 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
1318 static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1321 struct nl_cb *cb = eloop_ctx;
1324 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
1326 res = nl_recvmsgs(handle, cb);
1328 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1335 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1336 * @priv: driver_nl80211 private data
1337 * @alpha2_arg: country to which to switch to
1338 * Returns: 0 on success, -1 on failure
1340 * This asks nl80211 to set the regulatory domain for given
1341 * country ISO / IEC alpha2.
1343 static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1345 struct i802_bss *bss = priv;
1346 struct wpa_driver_nl80211_data *drv = bss->drv;
1350 msg = nlmsg_alloc();
1354 alpha2[0] = alpha2_arg[0];
1355 alpha2[1] = alpha2_arg[1];
1358 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1359 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1363 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1369 static int nl80211_get_country(struct nl_msg *msg, void *arg)
1372 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1373 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1375 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1376 genlmsg_attrlen(gnlh, 0), NULL);
1377 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1378 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1381 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1386 static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1388 struct i802_bss *bss = priv;
1389 struct wpa_driver_nl80211_data *drv = bss->drv;
1393 msg = nlmsg_alloc();
1397 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1399 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1407 static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1411 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1412 if (global->nl_cb == NULL) {
1413 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1418 global->nl = nl_create_handle(global->nl_cb, "nl");
1419 if (global->nl == NULL)
1422 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1423 if (global->nl80211_id < 0) {
1424 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1429 global->nl_event = nl_create_handle(global->nl_cb, "event");
1430 if (global->nl_event == NULL)
1433 ret = nl_get_multicast_id(global, "nl80211", "scan");
1435 ret = nl_socket_add_membership(global->nl_event, ret);
1437 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1438 "membership for scan events: %d (%s)",
1439 ret, strerror(-ret));
1443 ret = nl_get_multicast_id(global, "nl80211", "mlme");
1445 ret = nl_socket_add_membership(global->nl_event, ret);
1447 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1448 "membership for mlme events: %d (%s)",
1449 ret, strerror(-ret));
1453 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
1455 ret = nl_socket_add_membership(global->nl_event, ret);
1457 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1458 "membership for regulatory events: %d (%s)",
1459 ret, strerror(-ret));
1460 /* Continue without regulatory events */
1463 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1465 ret = nl_socket_add_membership(global->nl_event, ret);
1467 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1468 "membership for vendor events: %d (%s)",
1469 ret, strerror(-ret));
1470 /* Continue without vendor events */
1473 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1474 no_seq_check, NULL);
1475 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1476 process_global_event, global);
1478 nl80211_register_eloop_read(&global->nl_event,
1479 wpa_driver_nl80211_event_receive,
1485 nl_destroy_handles(&global->nl_event);
1486 nl_destroy_handles(&global->nl);
1487 nl_cb_put(global->nl_cb);
1488 global->nl_cb = NULL;
1493 static void nl80211_check_global(struct nl80211_global *global)
1495 struct nl_handle *handle;
1496 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
1501 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1502 * and all registration having been cleared.
1504 handle = (void *) (((intptr_t) global->nl_event) ^
1505 ELOOP_SOCKET_INVALID);
1507 for (i = 0; groups[i]; i++) {
1508 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
1510 ret = nl_socket_add_membership(handle, ret);
1512 wpa_printf(MSG_INFO,
1513 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1514 groups[i], ret, strerror(-ret));
1520 static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1522 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
1524 * This may be for any interface; use ifdown event to disable
1530 static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1532 struct wpa_driver_nl80211_data *drv = ctx;
1533 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
1534 if (i802_set_iface_flags(drv->first_bss, 1)) {
1535 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1536 "after rfkill unblock");
1539 /* rtnetlink ifup handler will report interface as enabled */
1543 static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1547 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1552 struct cmsghdr *cmsg;
1553 int res, found_ee = 0, found_wifi = 0, acked = 0;
1554 union wpa_event_data event;
1556 memset(&msg, 0, sizeof(msg));
1557 msg.msg_iov = &entry;
1559 entry.iov_base = data;
1560 entry.iov_len = sizeof(data);
1561 msg.msg_control = &control;
1562 msg.msg_controllen = sizeof(control);
1564 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1565 /* if error or not fitting 802.3 header, return */
1569 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1571 if (cmsg->cmsg_level == SOL_SOCKET &&
1572 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1576 ack = (void *)CMSG_DATA(cmsg);
1580 if (cmsg->cmsg_level == SOL_PACKET &&
1581 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1582 struct sock_extended_err *err =
1583 (struct sock_extended_err *)CMSG_DATA(cmsg);
1585 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1590 if (!found_ee || !found_wifi)
1593 memset(&event, 0, sizeof(event));
1594 event.eapol_tx_status.dst = data;
1595 event.eapol_tx_status.data = data + 14;
1596 event.eapol_tx_status.data_len = res - 14;
1597 event.eapol_tx_status.ack = acked;
1598 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1602 static int nl80211_init_bss(struct i802_bss *bss)
1604 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1608 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1609 no_seq_check, NULL);
1610 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1611 process_bss_event, bss);
1617 static void nl80211_destroy_bss(struct i802_bss *bss)
1619 nl_cb_put(bss->nl_cb);
1624 static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1625 void *global_priv, int hostapd,
1627 const char *driver_params)
1629 struct wpa_driver_nl80211_data *drv;
1630 struct rfkill_config *rcfg;
1631 struct i802_bss *bss;
1633 if (global_priv == NULL)
1635 drv = os_zalloc(sizeof(*drv));
1638 drv->global = global_priv;
1640 drv->hostapd = !!hostapd;
1641 drv->eapol_sock = -1;
1644 * There is no driver capability flag for this, so assume it is
1645 * supported and disable this on first attempt to use if the driver
1646 * rejects the command due to missing support.
1648 drv->set_rekey_offload = 1;
1650 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1651 drv->if_indices = drv->default_if_indices;
1653 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1654 if (!drv->first_bss) {
1658 bss = drv->first_bss;
1662 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
1663 drv->monitor_ifidx = -1;
1664 drv->monitor_sock = -1;
1665 drv->eapol_tx_sock = -1;
1666 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
1668 if (nl80211_init_bss(bss))
1671 rcfg = os_zalloc(sizeof(*rcfg));
1675 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
1676 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1677 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1678 drv->rfkill = rfkill_init(rcfg);
1679 if (drv->rfkill == NULL) {
1680 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1684 if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
1685 drv->start_iface_up = 1;
1687 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
1690 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
1691 if (drv->eapol_tx_sock < 0)
1694 if (drv->data_tx_status) {
1697 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1698 &enabled, sizeof(enabled)) < 0) {
1699 wpa_printf(MSG_DEBUG,
1700 "nl80211: wifi status sockopt failed\n");
1701 drv->data_tx_status = 0;
1702 if (!drv->use_monitor)
1704 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1706 eloop_register_read_sock(drv->eapol_tx_sock,
1707 wpa_driver_nl80211_handle_eapol_tx_status,
1713 nl80211_check_global(drv->global);
1714 dl_list_add(&drv->global->interfaces, &drv->list);
1715 drv->in_interface_list = 1;
1721 wpa_driver_nl80211_deinit(bss);
1727 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1728 * @ctx: context to be used when calling wpa_supplicant functions,
1729 * e.g., wpa_supplicant_event()
1730 * @ifname: interface name, e.g., wlan0
1731 * @global_priv: private driver global data from global_init()
1732 * Returns: Pointer to private data, %NULL on failure
1734 static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1737 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1742 static int nl80211_register_frame(struct i802_bss *bss,
1743 struct nl_handle *nl_handle,
1744 u16 type, const u8 *match, size_t match_len)
1746 struct wpa_driver_nl80211_data *drv = bss->drv;
1752 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
1753 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1754 type, fc2str(type), nl_handle, buf);
1756 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
1757 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1758 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1763 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
1765 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1766 "failed (type=%u): ret=%d (%s)",
1767 type, ret, strerror(-ret));
1768 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
1775 static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1778 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
1779 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
1783 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
1784 if (bss->nl_mgmt == NULL)
1791 static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1793 nl80211_register_eloop_read(&bss->nl_mgmt,
1794 wpa_driver_nl80211_event_receive,
1799 static int nl80211_register_action_frame(struct i802_bss *bss,
1800 const u8 *match, size_t match_len)
1802 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
1803 return nl80211_register_frame(bss, bss->nl_mgmt,
1804 type, match, match_len);
1808 static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
1810 struct wpa_driver_nl80211_data *drv = bss->drv;
1813 if (nl80211_alloc_mgmt_handle(bss))
1815 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1816 "handle %p", bss->nl_mgmt);
1818 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1819 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1821 /* register for any AUTH message */
1822 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1825 #ifdef CONFIG_INTERWORKING
1826 /* QoS Map Configure */
1827 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
1829 #endif /* CONFIG_INTERWORKING */
1830 #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
1831 /* GAS Initial Request */
1832 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
1834 /* GAS Initial Response */
1835 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
1837 /* GAS Comeback Request */
1838 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
1840 /* GAS Comeback Response */
1841 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
1843 /* Protected GAS Initial Request */
1844 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
1846 /* Protected GAS Initial Response */
1847 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
1849 /* Protected GAS Comeback Request */
1850 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
1852 /* Protected GAS Comeback Response */
1853 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
1855 #endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1857 /* P2P Public Action */
1858 if (nl80211_register_action_frame(bss,
1859 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
1863 if (nl80211_register_action_frame(bss,
1864 (u8 *) "\x7f\x50\x6f\x9a\x09",
1867 #endif /* CONFIG_P2P */
1868 #ifdef CONFIG_IEEE80211W
1869 /* SA Query Response */
1870 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
1872 #endif /* CONFIG_IEEE80211W */
1874 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
1875 /* TDLS Discovery Response */
1876 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
1880 #endif /* CONFIG_TDLS */
1882 /* FST Action frames */
1883 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
1885 #endif /* CONFIG_FST */
1887 /* FT Action frames */
1888 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
1891 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
1892 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1894 /* WNM - BSS Transition Management Request */
1895 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
1897 /* WNM-Sleep Mode Response */
1898 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
1902 /* WNM-Notification */
1903 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
1905 #endif /* CONFIG_HS20 */
1907 /* WMM-AC ADDTS Response */
1908 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
1912 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
1915 /* Radio Measurement - Neighbor Report Response */
1916 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
1919 /* Radio Measurement - Link Measurement Request */
1920 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
1921 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
1924 nl80211_mgmt_handle_register_eloop(bss);
1930 static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
1934 if (nl80211_alloc_mgmt_handle(bss))
1937 wpa_printf(MSG_DEBUG,
1938 "nl80211: Subscribe to mgmt frames with mesh handle %p",
1941 /* Auth frames for mesh SAE */
1942 if (nl80211_register_frame(bss, bss->nl_mgmt,
1943 (WLAN_FC_TYPE_MGMT << 2) |
1944 (WLAN_FC_STYPE_AUTH << 4),
1948 /* Mesh peering open */
1949 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
1951 /* Mesh peering confirm */
1952 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
1954 /* Mesh peering close */
1955 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
1958 nl80211_mgmt_handle_register_eloop(bss);
1964 static int nl80211_register_spurious_class3(struct i802_bss *bss)
1969 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
1970 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
1972 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
1973 "failed: ret=%d (%s)",
1974 ret, strerror(-ret));
1980 static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
1982 static const int stypes[] = {
1984 WLAN_FC_STYPE_ASSOC_REQ,
1985 WLAN_FC_STYPE_REASSOC_REQ,
1986 WLAN_FC_STYPE_DISASSOC,
1987 WLAN_FC_STYPE_DEAUTH,
1988 WLAN_FC_STYPE_ACTION,
1989 WLAN_FC_STYPE_PROBE_REQ,
1990 /* Beacon doesn't work as mac80211 doesn't currently allow
1991 * it, but it wouldn't really be the right thing anyway as
1992 * it isn't per interface ... maybe just dump the scan
1993 * results periodically for OLBC?
1995 /* WLAN_FC_STYPE_BEACON, */
1999 if (nl80211_alloc_mgmt_handle(bss))
2001 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2002 "handle %p", bss->nl_mgmt);
2004 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
2005 if (nl80211_register_frame(bss, bss->nl_mgmt,
2006 (WLAN_FC_TYPE_MGMT << 2) |
2013 if (nl80211_register_spurious_class3(bss))
2016 if (nl80211_get_wiphy_data_ap(bss) == NULL)
2019 nl80211_mgmt_handle_register_eloop(bss);
2023 nl_destroy_handles(&bss->nl_mgmt);
2028 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2030 if (nl80211_alloc_mgmt_handle(bss))
2032 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2033 "handle %p (device SME)", bss->nl_mgmt);
2035 if (nl80211_register_frame(bss, bss->nl_mgmt,
2036 (WLAN_FC_TYPE_MGMT << 2) |
2037 (WLAN_FC_STYPE_ACTION << 4),
2041 nl80211_mgmt_handle_register_eloop(bss);
2045 nl_destroy_handles(&bss->nl_mgmt);
2050 static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
2052 if (bss->nl_mgmt == NULL)
2054 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2055 "(%s)", bss->nl_mgmt, reason);
2056 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
2058 nl80211_put_wiphy_data_ap(bss);
2062 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2064 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2068 static void nl80211_del_p2pdev(struct i802_bss *bss)
2073 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2074 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2076 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2077 bss->ifname, (long long unsigned int) bss->wdev_id,
2082 static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2087 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2088 NL80211_CMD_STOP_P2P_DEVICE);
2089 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2091 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2092 start ? "Start" : "Stop",
2093 bss->ifname, (long long unsigned int) bss->wdev_id,
2099 static int i802_set_iface_flags(struct i802_bss *bss, int up)
2101 enum nl80211_iftype nlmode;
2103 nlmode = nl80211_get_ifmode(bss);
2104 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2105 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2109 /* P2P Device has start/stop which is equivalent */
2110 return nl80211_set_p2pdev(bss, up);
2114 #ifdef CONFIG_TESTING_OPTIONS
2115 static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2117 /* struct wpa_driver_nl80211_data *drv = arg; */
2118 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2119 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2122 wpa_printf(MSG_DEBUG,
2123 "nl80211: QCA vendor test command response received");
2125 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2126 genlmsg_attrlen(gnlh, 0), NULL);
2127 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2128 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2132 wpa_hexdump(MSG_DEBUG,
2133 "nl80211: Received QCA vendor test command response",
2134 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2135 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2139 #endif /* CONFIG_TESTING_OPTIONS */
2142 static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2144 #ifdef CONFIG_TESTING_OPTIONS
2146 struct nlattr *params;
2149 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2150 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2151 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2152 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2153 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2154 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2158 nla_nest_end(msg, params);
2160 ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
2161 wpa_printf(MSG_DEBUG,
2162 "nl80211: QCA vendor test command returned %d (%s)",
2163 ret, strerror(-ret));
2164 #endif /* CONFIG_TESTING_OPTIONS */
2169 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
2170 const u8 *set_addr, int first,
2171 const char *driver_params)
2173 struct i802_bss *bss = drv->first_bss;
2174 int send_rfkill_event = 0;
2175 enum nl80211_iftype nlmode;
2177 drv->ifindex = if_nametoindex(bss->ifname);
2178 bss->ifindex = drv->ifindex;
2179 bss->wdev_id = drv->global->if_add_wdevid;
2180 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2182 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2183 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
2184 drv->global->if_add_wdevid_set = 0;
2186 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2189 if (wpa_driver_nl80211_capa(drv))
2192 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2195 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2196 bss->ifname, drv->phyname);
2199 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2200 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2204 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2205 drv->start_mode_ap = 1;
2207 if (drv->hostapd || bss->static_ap)
2208 nlmode = NL80211_IFTYPE_AP;
2209 else if (bss->if_dynamic)
2210 nlmode = nl80211_get_ifmode(bss);
2212 nlmode = NL80211_IFTYPE_STATION;
2214 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
2215 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
2219 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2220 nl80211_get_macaddr(bss);
2222 if (!rfkill_is_blocked(drv->rfkill)) {
2223 int ret = i802_set_iface_flags(bss, 1);
2225 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2226 "interface '%s' UP", bss->ifname);
2229 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2232 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2233 "interface '%s' due to rfkill", bss->ifname);
2234 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2236 drv->if_disabled = 1;
2237 send_rfkill_event = 1;
2241 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2242 1, IF_OPER_DORMANT);
2244 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2247 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2249 if (send_rfkill_event) {
2250 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2254 if (drv->vendor_cmd_test_avail)
2255 qca_vendor_test(drv);
2261 static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2265 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2267 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
2268 return send_and_recv_msgs(drv, msg, NULL, NULL);
2273 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
2274 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
2276 * Shut down driver interface and processing of driver events. Free
2277 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2279 static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
2281 struct wpa_driver_nl80211_data *drv = bss->drv;
2283 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2284 bss->ifname, drv->disabled_11b_rates);
2287 if (drv->data_tx_status)
2288 eloop_unregister_read_sock(drv->eapol_tx_sock);
2289 if (drv->eapol_tx_sock >= 0)
2290 close(drv->eapol_tx_sock);
2293 wpa_driver_nl80211_probe_req_report(bss, 0);
2294 if (bss->added_if_into_bridge) {
2295 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2297 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2298 "interface %s from bridge %s: %s",
2299 bss->ifname, bss->brname, strerror(errno));
2301 nl80211_handle_destroy(drv->rtnl_sk);
2303 if (bss->added_bridge) {
2304 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2306 wpa_printf(MSG_INFO,
2307 "nl80211: Could not set bridge %s down",
2309 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
2310 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2312 bss->brname, strerror(errno));
2315 nl80211_remove_monitor_interface(drv);
2317 if (is_ap_interface(drv->nlmode))
2318 wpa_driver_nl80211_del_beacon(drv);
2320 if (drv->eapol_sock >= 0) {
2321 eloop_unregister_read_sock(drv->eapol_sock);
2322 close(drv->eapol_sock);
2325 if (drv->if_indices != drv->default_if_indices)
2326 os_free(drv->if_indices);
2328 if (drv->disabled_11b_rates)
2329 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2331 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2333 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
2334 rfkill_deinit(drv->rfkill);
2336 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2338 if (!drv->start_iface_up)
2339 (void) i802_set_iface_flags(bss, 0);
2341 if (drv->addr_changed) {
2342 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2344 wpa_printf(MSG_DEBUG,
2345 "nl80211: Could not set interface down to restore permanent MAC address");
2347 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2348 drv->perm_addr) < 0) {
2349 wpa_printf(MSG_DEBUG,
2350 "nl80211: Could not restore permanent MAC address");
2354 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2355 if (!drv->hostapd || !drv->start_mode_ap)
2356 wpa_driver_nl80211_set_mode(bss,
2357 NL80211_IFTYPE_STATION);
2358 nl80211_mgmt_unsubscribe(bss, "deinit");
2360 nl80211_mgmt_unsubscribe(bss, "deinit");
2361 nl80211_del_p2pdev(bss);
2364 nl80211_destroy_bss(drv->first_bss);
2366 os_free(drv->filter_ssids);
2368 os_free(drv->auth_ie);
2370 if (drv->in_interface_list)
2371 dl_list_del(&drv->list);
2373 os_free(drv->extended_capa);
2374 os_free(drv->extended_capa_mask);
2375 os_free(drv->first_bss);
2380 static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2385 return WLAN_CIPHER_SUITE_WEP40;
2386 return WLAN_CIPHER_SUITE_WEP104;
2388 return WLAN_CIPHER_SUITE_TKIP;
2390 return WLAN_CIPHER_SUITE_CCMP;
2392 return WLAN_CIPHER_SUITE_GCMP;
2393 case WPA_ALG_CCMP_256:
2394 return WLAN_CIPHER_SUITE_CCMP_256;
2395 case WPA_ALG_GCMP_256:
2396 return WLAN_CIPHER_SUITE_GCMP_256;
2398 return WLAN_CIPHER_SUITE_AES_CMAC;
2399 case WPA_ALG_BIP_GMAC_128:
2400 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2401 case WPA_ALG_BIP_GMAC_256:
2402 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2403 case WPA_ALG_BIP_CMAC_256:
2404 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2406 return WLAN_CIPHER_SUITE_SMS4;
2408 return WLAN_CIPHER_SUITE_KRK;
2411 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2416 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2422 static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2425 case WPA_CIPHER_CCMP_256:
2426 return WLAN_CIPHER_SUITE_CCMP_256;
2427 case WPA_CIPHER_GCMP_256:
2428 return WLAN_CIPHER_SUITE_GCMP_256;
2429 case WPA_CIPHER_CCMP:
2430 return WLAN_CIPHER_SUITE_CCMP;
2431 case WPA_CIPHER_GCMP:
2432 return WLAN_CIPHER_SUITE_GCMP;
2433 case WPA_CIPHER_TKIP:
2434 return WLAN_CIPHER_SUITE_TKIP;
2435 case WPA_CIPHER_WEP104:
2436 return WLAN_CIPHER_SUITE_WEP104;
2437 case WPA_CIPHER_WEP40:
2438 return WLAN_CIPHER_SUITE_WEP40;
2439 case WPA_CIPHER_GTK_NOT_USED:
2440 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
2447 static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2452 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2453 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2454 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2455 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2456 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2457 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2458 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2459 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2460 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2461 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2462 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2463 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2464 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2465 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2471 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2472 const u8 *key, size_t key_len)
2477 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
2480 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2481 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2482 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2483 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2484 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
2485 nl80211_nlmsg_clear(msg);
2489 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
2491 wpa_printf(MSG_DEBUG,
2492 "nl80211: Key management set key failed: ret=%d (%s)",
2493 ret, strerror(-ret));
2500 static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
2501 enum wpa_alg alg, const u8 *addr,
2502 int key_idx, int set_tx,
2503 const u8 *seq, size_t seq_len,
2504 const u8 *key, size_t key_len)
2506 struct wpa_driver_nl80211_data *drv = bss->drv;
2508 struct nl_msg *msg = NULL;
2512 /* Ignore for P2P Device */
2513 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2516 ifindex = if_nametoindex(ifname);
2517 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
2518 "set_tx=%d seq_len=%lu key_len=%lu",
2519 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
2520 (unsigned long) seq_len, (unsigned long) key_len);
2522 if (key_idx == -1) {
2526 #endif /* CONFIG_TDLS */
2528 if (alg == WPA_ALG_PMK &&
2529 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2530 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2532 ret = issue_key_mgmt_set_key(drv, key, key_len);
2536 if (alg == WPA_ALG_NONE) {
2537 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2543 suite = wpa_alg_to_cipher_suite(alg, key_len);
2546 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2548 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
2549 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, suite))
2551 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
2554 if (seq && seq_len) {
2555 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2557 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2560 if (addr && !is_broadcast_ether_addr(addr)) {
2561 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
2562 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2565 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2566 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
2567 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2568 NL80211_KEYTYPE_GROUP))
2571 } else if (addr && is_broadcast_ether_addr(addr)) {
2572 struct nlattr *types;
2574 wpa_printf(MSG_DEBUG, " broadcast key");
2576 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2578 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2580 nla_nest_end(msg, types);
2582 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2585 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
2586 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
2589 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2590 ret, strerror(-ret));
2593 * If we failed or don't need to set the default TX key (below),
2596 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
2598 if (is_ap_interface(drv->nlmode) && addr &&
2599 !is_broadcast_ether_addr(addr))
2602 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2604 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
2605 nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
2606 alg == WPA_ALG_BIP_GMAC_128 ||
2607 alg == WPA_ALG_BIP_GMAC_256 ||
2608 alg == WPA_ALG_BIP_CMAC_256) ?
2609 NL80211_ATTR_KEY_DEFAULT_MGMT :
2610 NL80211_ATTR_KEY_DEFAULT))
2612 if (addr && is_broadcast_ether_addr(addr)) {
2613 struct nlattr *types;
2615 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2617 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2619 nla_nest_end(msg, types);
2621 struct nlattr *types;
2623 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2625 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2627 nla_nest_end(msg, types);
2630 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2634 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2635 "err=%d %s)", ret, strerror(-ret));
2639 nl80211_nlmsg_clear(msg);
2645 static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
2646 int key_idx, int defkey,
2647 const u8 *seq, size_t seq_len,
2648 const u8 *key, size_t key_len)
2650 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
2656 suite = wpa_alg_to_cipher_suite(alg, key_len);
2660 if (defkey && alg == WPA_ALG_IGTK) {
2661 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2663 } else if (defkey) {
2664 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2668 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
2669 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
2671 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2672 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2675 nla_nest_end(msg, key_attr);
2681 static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2685 struct nlattr *nl_keys, *nl_key;
2687 for (i = 0; i < 4; i++) {
2688 if (!params->wep_key[i])
2693 if (params->wps == WPS_MODE_PRIVACY)
2695 if (params->pairwise_suite &&
2696 params->pairwise_suite != WPA_CIPHER_NONE)
2702 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2705 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2709 for (i = 0; i < 4; i++) {
2710 if (!params->wep_key[i])
2713 nl_key = nla_nest_start(msg, i);
2715 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2716 params->wep_key[i]) ||
2717 nla_put_u32(msg, NL80211_KEY_CIPHER,
2718 params->wep_key_len[i] == 5 ?
2719 WLAN_CIPHER_SUITE_WEP40 :
2720 WLAN_CIPHER_SUITE_WEP104) ||
2721 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2722 (i == params->wep_tx_keyidx &&
2723 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2726 nla_nest_end(msg, nl_key);
2728 nla_nest_end(msg, nl_keys);
2734 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2735 const u8 *addr, int cmd, u16 reason_code,
2736 int local_state_change)
2741 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
2742 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2743 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2744 (local_state_change &&
2745 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2750 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2752 wpa_dbg(drv->ctx, MSG_DEBUG,
2753 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2754 reason_code, ret, strerror(-ret));
2760 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
2765 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
2766 nl80211_mark_disconnected(drv);
2767 /* Disconnect command doesn't need BSSID - it uses cached value */
2768 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
2771 * For locally generated disconnect, supplicant already generates a
2772 * DEAUTH event, so ignore the event from NL80211.
2774 drv->ignore_next_local_disconnect = ret == 0;
2780 static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
2781 const u8 *addr, int reason_code)
2783 struct wpa_driver_nl80211_data *drv = bss->drv;
2786 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2787 nl80211_mark_disconnected(drv);
2788 return nl80211_leave_ibss(drv, 1);
2790 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
2791 return wpa_driver_nl80211_disconnect(drv, reason_code);
2792 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
2793 __func__, MAC2STR(addr), reason_code);
2794 nl80211_mark_disconnected(drv);
2795 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
2798 * For locally generated deauthenticate, supplicant already generates a
2799 * DEAUTH event, so ignore the event from NL80211.
2801 drv->ignore_next_local_deauth = ret == 0;
2806 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
2807 struct wpa_driver_auth_params *params)
2811 drv->auth_freq = params->freq;
2812 drv->auth_alg = params->auth_alg;
2813 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
2814 drv->auth_local_state_change = params->local_state_change;
2815 drv->auth_p2p = params->p2p;
2818 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
2820 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
2823 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
2824 drv->auth_ssid_len = params->ssid_len;
2826 drv->auth_ssid_len = 0;
2829 os_free(drv->auth_ie);
2830 drv->auth_ie = NULL;
2831 drv->auth_ie_len = 0;
2833 drv->auth_ie = os_malloc(params->ie_len);
2835 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
2836 drv->auth_ie_len = params->ie_len;
2840 for (i = 0; i < 4; i++) {
2841 if (params->wep_key[i] && params->wep_key_len[i] &&
2842 params->wep_key_len[i] <= 16) {
2843 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
2844 params->wep_key_len[i]);
2845 drv->auth_wep_key_len[i] = params->wep_key_len[i];
2847 drv->auth_wep_key_len[i] = 0;
2852 static void nl80211_unmask_11b_rates(struct i802_bss *bss)
2854 struct wpa_driver_nl80211_data *drv = bss->drv;
2856 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
2860 * Looks like we failed to unmask 11b rates previously. This could
2861 * happen, e.g., if the interface was down at the point in time when a
2862 * P2P group was terminated.
2864 wpa_printf(MSG_DEBUG,
2865 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
2867 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2871 static int wpa_driver_nl80211_authenticate(
2872 struct i802_bss *bss, struct wpa_driver_auth_params *params)
2874 struct wpa_driver_nl80211_data *drv = bss->drv;
2877 enum nl80211_auth_type type;
2878 enum nl80211_iftype nlmode;
2882 nl80211_unmask_11b_rates(bss);
2884 is_retry = drv->retry_auth;
2885 drv->retry_auth = 0;
2886 drv->ignore_deauth_event = 0;
2888 nl80211_mark_disconnected(drv);
2889 os_memset(drv->auth_bssid, 0, ETH_ALEN);
2891 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
2893 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
2894 /* FIX: IBSS mode */
2895 nlmode = params->p2p ?
2896 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
2897 if (drv->nlmode != nlmode &&
2898 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
2902 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
2905 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
2909 for (i = 0; i < 4; i++) {
2910 if (!params->wep_key[i])
2912 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2914 i == params->wep_tx_keyidx, NULL, 0,
2916 params->wep_key_len[i]);
2917 if (params->wep_tx_keyidx != i)
2919 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
2920 params->wep_key[i], params->wep_key_len[i]))
2924 if (params->bssid) {
2925 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
2926 MAC2STR(params->bssid));
2927 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
2931 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
2932 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
2936 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
2937 params->ssid, params->ssid_len);
2938 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
2942 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
2944 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
2946 if (params->sae_data) {
2947 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
2948 params->sae_data_len);
2949 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
2953 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
2954 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2955 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
2956 type = NL80211_AUTHTYPE_SHARED_KEY;
2957 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
2958 type = NL80211_AUTHTYPE_NETWORK_EAP;
2959 else if (params->auth_alg & WPA_AUTH_ALG_FT)
2960 type = NL80211_AUTHTYPE_FT;
2961 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
2962 type = NL80211_AUTHTYPE_SAE;
2965 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
2966 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
2968 if (params->local_state_change) {
2969 wpa_printf(MSG_DEBUG, " * Local state change only");
2970 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
2974 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2977 wpa_dbg(drv->ctx, MSG_DEBUG,
2978 "nl80211: MLME command failed (auth): ret=%d (%s)",
2979 ret, strerror(-ret));
2981 if (ret == -EALREADY && count == 1 && params->bssid &&
2982 !params->local_state_change) {
2984 * mac80211 does not currently accept new
2985 * authentication if we are already authenticated. As a
2986 * workaround, force deauthentication and try again.
2988 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
2989 "after forced deauthentication");
2990 drv->ignore_deauth_event = 1;
2991 wpa_driver_nl80211_deauthenticate(
2993 WLAN_REASON_PREV_AUTH_NOT_VALID);
2998 if (ret == -ENOENT && params->freq && !is_retry) {
3000 * cfg80211 has likely expired the BSS entry even
3001 * though it was previously available in our internal
3002 * BSS table. To recover quickly, start a single
3003 * channel scan on the specified channel.
3005 struct wpa_driver_scan_params scan;
3008 os_memset(&scan, 0, sizeof(scan));
3011 scan.ssids[0].ssid = params->ssid;
3012 scan.ssids[0].ssid_len = params->ssid_len;
3014 freqs[0] = params->freq;
3017 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
3018 "channel scan to refresh cfg80211 BSS "
3020 ret = wpa_driver_nl80211_scan(bss, &scan);
3022 nl80211_copy_auth_params(drv, params);
3023 drv->scan_for_auth = 1;
3025 } else if (is_retry) {
3027 * Need to indicate this with an event since the return
3028 * value from the retry is not delivered to core code.
3030 union wpa_event_data event;
3031 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
3033 os_memset(&event, 0, sizeof(event));
3034 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
3036 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
3040 wpa_printf(MSG_DEBUG,
3041 "nl80211: Authentication request send successfully");
3050 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
3052 struct wpa_driver_auth_params params;
3053 struct i802_bss *bss = drv->first_bss;
3056 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
3058 os_memset(¶ms, 0, sizeof(params));
3059 params.freq = drv->auth_freq;
3060 params.auth_alg = drv->auth_alg;
3061 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
3062 params.local_state_change = drv->auth_local_state_change;
3063 params.p2p = drv->auth_p2p;
3065 if (!is_zero_ether_addr(drv->auth_bssid_))
3066 params.bssid = drv->auth_bssid_;
3068 if (drv->auth_ssid_len) {
3069 params.ssid = drv->auth_ssid;
3070 params.ssid_len = drv->auth_ssid_len;
3073 params.ie = drv->auth_ie;
3074 params.ie_len = drv->auth_ie_len;
3076 for (i = 0; i < 4; i++) {
3077 if (drv->auth_wep_key_len[i]) {
3078 params.wep_key[i] = drv->auth_wep_key[i];
3079 params.wep_key_len[i] = drv->auth_wep_key_len[i];
3083 drv->retry_auth = 1;
3084 return wpa_driver_nl80211_authenticate(bss, ¶ms);
3088 static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
3089 const void *data, size_t len,
3090 int encrypt, int noack,
3091 unsigned int freq, int no_cck,
3092 int offchanok, unsigned int wait_time)
3094 struct wpa_driver_nl80211_data *drv = bss->drv;
3098 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
3099 freq = nl80211_get_assoc_freq(drv);
3100 wpa_printf(MSG_DEBUG,
3101 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3105 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
3110 if (drv->use_monitor) {
3111 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3113 return nl80211_send_monitor(drv, data, len, encrypt, noack);
3116 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
3117 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
3118 &cookie, no_cck, noack, offchanok);
3119 if (res == 0 && !noack) {
3120 const struct ieee80211_mgmt *mgmt;
3123 mgmt = (const struct ieee80211_mgmt *) data;
3124 fc = le_to_host16(mgmt->frame_control);
3125 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3126 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
3127 wpa_printf(MSG_MSGDUMP,
3128 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3129 (long long unsigned int)
3130 drv->send_action_cookie,
3131 (long long unsigned int) cookie);
3132 drv->send_action_cookie = cookie;
3140 static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
3141 size_t data_len, int noack,
3142 unsigned int freq, int no_cck,
3144 unsigned int wait_time)
3146 struct wpa_driver_nl80211_data *drv = bss->drv;
3147 struct ieee80211_mgmt *mgmt;
3151 mgmt = (struct ieee80211_mgmt *) data;
3152 fc = le_to_host16(mgmt->frame_control);
3153 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3154 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3155 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3156 fc, fc2str(fc), drv->nlmode);
3158 if ((is_sta_interface(drv->nlmode) ||
3159 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
3160 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3161 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3163 * The use of last_mgmt_freq is a bit of a hack,
3164 * but it works due to the single-threaded nature
3165 * of wpa_supplicant.
3168 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3169 drv->last_mgmt_freq);
3170 freq = drv->last_mgmt_freq;
3172 return nl80211_send_frame_cmd(bss, freq, 0,
3173 data, data_len, NULL, 1, noack,
3177 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
3179 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3183 return nl80211_send_frame_cmd(bss, freq,
3184 (int) freq == bss->freq ? 0 :
3187 &drv->send_action_cookie,
3188 no_cck, noack, offchanok);
3191 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3192 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3194 * Only one of the authentication frame types is encrypted.
3195 * In order for static WEP encryption to work properly (i.e.,
3196 * to not encrypt the frame), we need to tell mac80211 about
3197 * the frames that must not be encrypted.
3199 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3200 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
3201 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3205 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
3206 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
3207 noack, freq, no_cck, offchanok,
3212 static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
3214 u8 rates[NL80211_MAX_SUPP_RATES];
3221 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
3222 rates[rates_len++] = basic_rates[i] / 5;
3224 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
3228 static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
3229 int slot, int ht_opmode, int ap_isolate,
3230 const int *basic_rates)
3232 struct wpa_driver_nl80211_data *drv = bss->drv;
3235 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
3237 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3239 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3241 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3243 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3245 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
3246 nl80211_put_basic_rates(msg, basic_rates)) {
3251 return send_and_recv_msgs(drv, msg, NULL, NULL);
3255 static int wpa_driver_nl80211_set_acl(void *priv,
3256 struct hostapd_acl_params *params)
3258 struct i802_bss *bss = priv;
3259 struct wpa_driver_nl80211_data *drv = bss->drv;
3265 if (!(drv->capa.max_acl_mac_addrs))
3268 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3271 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3272 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3274 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
3275 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3276 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3277 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3278 (acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS)) == NULL) {
3283 for (i = 0; i < params->num_mac_acl; i++) {
3284 if (nla_put(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3290 nla_nest_end(msg, acl);
3292 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3294 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3295 ret, strerror(-ret));
3302 static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
3304 if (beacon_int > 0) {
3305 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
3306 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3314 static int wpa_driver_nl80211_set_ap(void *priv,
3315 struct wpa_driver_ap_params *params)
3317 struct i802_bss *bss = priv;
3318 struct wpa_driver_nl80211_data *drv = bss->drv;
3320 u8 cmd = NL80211_CMD_NEW_BEACON;
3325 u32 suites[10], suite;
3328 beacon_set = params->reenable ? 0 : bss->beacon_set;
3330 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
3333 cmd = NL80211_CMD_SET_BEACON;
3335 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3336 params->head, params->head_len);
3337 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3338 params->tail, params->tail_len);
3339 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
3340 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
3341 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
3342 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3343 params->ssid, params->ssid_len);
3344 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
3345 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3347 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3349 nl80211_put_beacon_int(msg, params->beacon_int) ||
3350 nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
3351 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3353 if (params->proberesp && params->proberesp_len) {
3354 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3355 params->proberesp, params->proberesp_len);
3356 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3360 switch (params->hide_ssid) {
3361 case NO_SSID_HIDING:
3362 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
3363 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3364 NL80211_HIDDEN_SSID_NOT_IN_USE))
3367 case HIDDEN_SSID_ZERO_LEN:
3368 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
3369 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3370 NL80211_HIDDEN_SSID_ZERO_LEN))
3373 case HIDDEN_SSID_ZERO_CONTENTS:
3374 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
3375 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3376 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3380 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
3381 if (params->privacy &&
3382 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3384 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
3385 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3386 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3387 /* Leave out the attribute */
3388 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3389 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3390 NL80211_AUTHTYPE_SHARED_KEY))
3393 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3394 NL80211_AUTHTYPE_OPEN_SYSTEM))
3398 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
3400 if (params->wpa_version & WPA_PROTO_WPA)
3401 ver |= NL80211_WPA_VERSION_1;
3402 if (params->wpa_version & WPA_PROTO_RSN)
3403 ver |= NL80211_WPA_VERSION_2;
3405 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3408 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3409 params->key_mgmt_suites);
3411 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3412 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3413 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3414 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
3416 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3420 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
3421 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) &&
3422 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
3425 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3426 params->pairwise_ciphers);
3427 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3428 suites, ARRAY_SIZE(suites));
3430 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3431 num_suites * sizeof(u32), suites))
3434 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3435 params->group_cipher);
3436 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
3438 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3441 switch (params->smps_mode) {
3442 case HT_CAP_INFO_SMPS_DYNAMIC:
3443 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3444 smps_mode = NL80211_SMPS_DYNAMIC;
3446 case HT_CAP_INFO_SMPS_STATIC:
3447 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3448 smps_mode = NL80211_SMPS_STATIC;
3451 /* invalid - fallback to smps off */
3452 case HT_CAP_INFO_SMPS_DISABLED:
3453 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3454 smps_mode = NL80211_SMPS_OFF;
3457 if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3460 if (params->beacon_ies) {
3461 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3462 params->beacon_ies);
3463 if (nla_put(msg, NL80211_ATTR_IE,
3464 wpabuf_len(params->beacon_ies),
3465 wpabuf_head(params->beacon_ies)))
3468 if (params->proberesp_ies) {
3469 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3470 params->proberesp_ies);
3471 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3472 wpabuf_len(params->proberesp_ies),
3473 wpabuf_head(params->proberesp_ies)))
3476 if (params->assocresp_ies) {
3477 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3478 params->assocresp_ies);
3479 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3480 wpabuf_len(params->assocresp_ies),
3481 wpabuf_head(params->assocresp_ies)))
3485 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
3486 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3487 params->ap_max_inactivity);
3488 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3489 params->ap_max_inactivity))
3494 if (params->p2p_go_ctwindow > 0) {
3495 if (drv->p2p_go_ctwindow_supported) {
3496 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
3497 params->p2p_go_ctwindow);
3498 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
3499 params->p2p_go_ctwindow))
3502 wpa_printf(MSG_INFO,
3503 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
3506 #endif /* CONFIG_P2P */
3508 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3510 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3511 ret, strerror(-ret));
3513 bss->beacon_set = 1;
3514 nl80211_set_bss(bss, params->cts_protect, params->preamble,
3515 params->short_slot_time, params->ht_opmode,
3516 params->isolate, params->basic_rates);
3517 if (beacon_set && params->freq &&
3518 params->freq->bandwidth != bss->bandwidth) {
3519 wpa_printf(MSG_DEBUG,
3520 "nl80211: Update BSS %s bandwidth: %d -> %d",
3521 bss->ifname, bss->bandwidth,
3522 params->freq->bandwidth);
3523 ret = nl80211_set_channel(bss, params->freq, 1);
3525 wpa_printf(MSG_DEBUG,
3526 "nl80211: Frequency set failed: %d (%s)",
3527 ret, strerror(-ret));
3529 wpa_printf(MSG_DEBUG,
3530 "nl80211: Frequency set succeeded for ht2040 coex");
3531 bss->bandwidth = params->freq->bandwidth;
3533 } else if (!beacon_set) {
3535 * cfg80211 updates the driver on frequence change in AP
3536 * mode only at the point when beaconing is started, so
3537 * set the initial value here.
3539 bss->bandwidth = params->freq->bandwidth;
3549 static int nl80211_put_freq_params(struct nl_msg *msg,
3550 const struct hostapd_freq_params *freq)
3552 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
3553 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
3556 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
3557 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
3559 if (freq->vht_enabled) {
3560 enum nl80211_chan_width cw;
3562 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
3563 switch (freq->bandwidth) {
3565 cw = NL80211_CHAN_WIDTH_20;
3568 cw = NL80211_CHAN_WIDTH_40;
3571 if (freq->center_freq2)
3572 cw = NL80211_CHAN_WIDTH_80P80;
3574 cw = NL80211_CHAN_WIDTH_80;
3577 cw = NL80211_CHAN_WIDTH_160;
3583 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
3584 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
3585 freq->center_freq1);
3586 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
3587 freq->center_freq2);
3588 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
3589 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
3590 freq->center_freq1) ||
3591 (freq->center_freq2 &&
3592 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
3593 freq->center_freq2)))
3595 } else if (freq->ht_enabled) {
3596 enum nl80211_channel_type ct;
3598 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
3599 freq->sec_channel_offset);
3600 switch (freq->sec_channel_offset) {
3602 ct = NL80211_CHAN_HT40MINUS;
3605 ct = NL80211_CHAN_HT40PLUS;
3608 ct = NL80211_CHAN_HT20;
3612 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
3613 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
3620 static int nl80211_set_channel(struct i802_bss *bss,
3621 struct hostapd_freq_params *freq, int set_chan)
3623 struct wpa_driver_nl80211_data *drv = bss->drv;
3627 wpa_printf(MSG_DEBUG,
3628 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3629 freq->freq, freq->ht_enabled, freq->vht_enabled,
3630 freq->bandwidth, freq->center_freq1, freq->center_freq2);
3632 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
3633 NL80211_CMD_SET_WIPHY);
3634 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
3639 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3641 bss->freq = freq->freq;
3644 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
3645 "%d (%s)", freq->freq, ret, strerror(-ret));
3650 static u32 sta_flags_nl80211(int flags)
3654 if (flags & WPA_STA_AUTHORIZED)
3655 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
3656 if (flags & WPA_STA_WMM)
3657 f |= BIT(NL80211_STA_FLAG_WME);
3658 if (flags & WPA_STA_SHORT_PREAMBLE)
3659 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
3660 if (flags & WPA_STA_MFP)
3661 f |= BIT(NL80211_STA_FLAG_MFP);
3662 if (flags & WPA_STA_TDLS_PEER)
3663 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
3664 if (flags & WPA_STA_AUTHENTICATED)
3665 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
3672 static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
3676 return NL80211_PLINK_LISTEN;
3677 case PLINK_OPEN_SENT:
3678 return NL80211_PLINK_OPN_SNT;
3679 case PLINK_OPEN_RCVD:
3680 return NL80211_PLINK_OPN_RCVD;
3681 case PLINK_CNF_RCVD:
3682 return NL80211_PLINK_CNF_RCVD;
3684 return NL80211_PLINK_ESTAB;
3686 return NL80211_PLINK_HOLDING;
3688 return NL80211_PLINK_BLOCKED;
3690 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
3695 #endif /* CONFIG_MESH */
3698 static int wpa_driver_nl80211_sta_add(void *priv,
3699 struct hostapd_sta_add_params *params)
3701 struct i802_bss *bss = priv;
3702 struct wpa_driver_nl80211_data *drv = bss->drv;
3704 struct nl80211_sta_flag_update upd;
3707 if ((params->flags & WPA_STA_TDLS_PEER) &&
3708 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
3711 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
3712 params->set ? "Set" : "Add", MAC2STR(params->addr));
3713 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
3714 NL80211_CMD_NEW_STATION);
3715 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
3718 if (!params->set || (params->flags & WPA_STA_TDLS_PEER)) {
3719 wpa_hexdump(MSG_DEBUG, " * supported rates",
3720 params->supp_rates, params->supp_rates_len);
3721 wpa_printf(MSG_DEBUG, " * capability=0x%x",
3722 params->capability);
3723 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
3724 params->supp_rates_len, params->supp_rates) ||
3725 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
3726 params->capability))
3729 if (params->ht_capabilities) {
3730 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
3731 (u8 *) params->ht_capabilities,
3732 sizeof(*params->ht_capabilities));
3733 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
3734 sizeof(*params->ht_capabilities),
3735 params->ht_capabilities))
3739 if (params->vht_capabilities) {
3740 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
3741 (u8 *) params->vht_capabilities,
3742 sizeof(*params->vht_capabilities));
3743 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
3744 sizeof(*params->vht_capabilities),
3745 params->vht_capabilities))
3749 if (params->ext_capab) {
3750 wpa_hexdump(MSG_DEBUG, " * ext_capab",
3751 params->ext_capab, params->ext_capab_len);
3752 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
3753 params->ext_capab_len, params->ext_capab))
3759 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
3760 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
3764 * cfg80211 validates that AID is non-zero, so we have
3765 * to make this a non-zero value for the TDLS case where
3766 * a dummy STA entry is used for now.
3768 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
3769 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
3772 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
3773 params->listen_interval);
3774 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
3775 params->listen_interval))
3777 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
3778 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
3779 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
3783 if (params->vht_opmode_enabled) {
3784 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
3785 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
3786 params->vht_opmode))
3790 if (params->supp_channels) {
3791 wpa_hexdump(MSG_DEBUG, " * supported channels",
3792 params->supp_channels, params->supp_channels_len);
3793 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
3794 params->supp_channels_len, params->supp_channels))
3798 if (params->supp_oper_classes) {
3799 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
3800 params->supp_oper_classes,
3801 params->supp_oper_classes_len);
3802 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
3803 params->supp_oper_classes_len,
3804 params->supp_oper_classes))
3808 os_memset(&upd, 0, sizeof(upd));
3809 upd.set = sta_flags_nl80211(params->flags);
3810 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
3811 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
3813 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
3817 if (params->plink_state &&
3818 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
3819 sta_plink_state_nl80211(params->plink_state)))
3821 #endif /* CONFIG_MESH */
3823 if (params->flags & WPA_STA_WMM) {
3824 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
3826 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
3828 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
3829 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
3830 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
3831 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
3832 WMM_QOSINFO_STA_SP_MASK))
3834 nla_nest_end(msg, wme);
3837 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3840 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
3841 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
3851 static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
3853 #ifdef CONFIG_LIBNL3_ROUTE
3854 struct wpa_driver_nl80211_data *drv = bss->drv;
3855 struct rtnl_neigh *rn;
3856 struct nl_addr *nl_addr;
3859 rn = rtnl_neigh_alloc();
3863 rtnl_neigh_set_family(rn, AF_BRIDGE);
3864 rtnl_neigh_set_ifindex(rn, bss->ifindex);
3865 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
3870 rtnl_neigh_set_lladdr(rn, nl_addr);
3872 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
3874 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
3875 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
3876 bss->ifindex, nl_geterror(err));
3878 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
3879 MACSTR, MAC2STR(addr));
3882 nl_addr_put(nl_addr);
3884 #endif /* CONFIG_LIBNL3_ROUTE */
3888 static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
3889 int deauth, u16 reason_code)
3891 struct wpa_driver_nl80211_data *drv = bss->drv;
3895 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
3896 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3898 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3899 WLAN_FC_STYPE_DISASSOC)) ||
3901 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3902 WLAN_FC_STYPE_DEAUTH)) ||
3904 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
3909 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3910 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
3912 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
3915 rtnl_neigh_delete_fdb_entry(bss, addr);
3923 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
3926 struct wpa_driver_nl80211_data *drv2;
3928 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
3930 /* stop listening for EAPOL on this interface */
3931 dl_list_for_each(drv2, &drv->global->interfaces,
3932 struct wpa_driver_nl80211_data, list)
3933 del_ifidx(drv2, ifidx);
3935 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
3936 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
3938 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
3942 static const char * nl80211_iftype_str(enum nl80211_iftype mode)
3945 case NL80211_IFTYPE_ADHOC:
3947 case NL80211_IFTYPE_STATION:
3949 case NL80211_IFTYPE_AP:
3951 case NL80211_IFTYPE_AP_VLAN:
3953 case NL80211_IFTYPE_WDS:
3955 case NL80211_IFTYPE_MONITOR:
3957 case NL80211_IFTYPE_MESH_POINT:
3958 return "MESH_POINT";
3959 case NL80211_IFTYPE_P2P_CLIENT:
3960 return "P2P_CLIENT";
3961 case NL80211_IFTYPE_P2P_GO:
3963 case NL80211_IFTYPE_P2P_DEVICE:
3964 return "P2P_DEVICE";
3971 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
3973 enum nl80211_iftype iftype,
3974 const u8 *addr, int wds,
3975 int (*handler)(struct nl_msg *, void *),
3982 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
3983 iftype, nl80211_iftype_str(iftype));
3985 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
3987 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
3988 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
3991 if (iftype == NL80211_IFTYPE_MONITOR) {
3992 struct nlattr *flags;
3994 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
3996 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
3999 nla_nest_end(msg, flags);
4001 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
4006 * Tell cfg80211 that the interface belongs to the socket that created
4007 * it, and the interface should be deleted when the socket is closed.
4009 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
4012 ret = send_and_recv_msgs(drv, msg, handler, arg);
4017 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
4018 ifname, ret, strerror(-ret));
4022 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
4025 ifidx = if_nametoindex(ifname);
4026 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
4033 * Some virtual interfaces need to process EAPOL packets and events on
4034 * the parent interface. This is used mainly with hostapd.
4037 iftype == NL80211_IFTYPE_AP_VLAN ||
4038 iftype == NL80211_IFTYPE_WDS ||
4039 iftype == NL80211_IFTYPE_MONITOR) {
4040 /* start listening for EAPOL on this interface */
4041 add_ifidx(drv, ifidx);
4044 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4045 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
4046 nl80211_remove_iface(drv, ifidx);
4054 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
4055 const char *ifname, enum nl80211_iftype iftype,
4056 const u8 *addr, int wds,
4057 int (*handler)(struct nl_msg *, void *),
4058 void *arg, int use_existing)
4062 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
4065 /* if error occurred and interface exists already */
4066 if (ret == -ENFILE && if_nametoindex(ifname)) {
4068 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
4070 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
4071 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4073 (linux_set_iface_flags(drv->global->ioctl_sock,
4075 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
4077 linux_set_iface_flags(drv->global->ioctl_sock,
4082 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
4084 /* Try to remove the interface that was already there. */
4085 nl80211_remove_iface(drv, if_nametoindex(ifname));
4087 /* Try to create the interface again */
4088 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
4092 if (ret >= 0 && is_p2p_net_interface(iftype)) {
4093 wpa_printf(MSG_DEBUG,
4094 "nl80211: Interface %s created for P2P - disable 11b rates",
4096 nl80211_disable_11b_rates(drv, ret, 1);
4103 static int nl80211_setup_ap(struct i802_bss *bss)
4105 struct wpa_driver_nl80211_data *drv = bss->drv;
4107 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4108 bss->ifname, drv->device_ap_sme, drv->use_monitor);
4111 * Disable Probe Request reporting unless we need it in this way for
4112 * devices that include the AP SME, in the other case (unless using
4113 * monitor iface) we'll get it through the nl_mgmt socket instead.
4115 if (!drv->device_ap_sme)
4116 wpa_driver_nl80211_probe_req_report(bss, 0);
4118 if (!drv->device_ap_sme && !drv->use_monitor)
4119 if (nl80211_mgmt_subscribe_ap(bss))
4122 if (drv->device_ap_sme && !drv->use_monitor)
4123 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
4126 if (!drv->device_ap_sme && drv->use_monitor &&
4127 nl80211_create_monitor_interface(drv) &&
4128 !drv->device_ap_sme)
4131 if (drv->device_ap_sme &&
4132 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
4133 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
4134 "Probe Request frame reporting in AP mode");
4135 /* Try to survive without this */
4142 static void nl80211_teardown_ap(struct i802_bss *bss)
4144 struct wpa_driver_nl80211_data *drv = bss->drv;
4146 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4147 bss->ifname, drv->device_ap_sme, drv->use_monitor);
4148 if (drv->device_ap_sme) {
4149 wpa_driver_nl80211_probe_req_report(bss, 0);
4150 if (!drv->use_monitor)
4151 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
4152 } else if (drv->use_monitor)
4153 nl80211_remove_monitor_interface(drv);
4155 nl80211_mgmt_unsubscribe(bss, "AP teardown");
4157 bss->beacon_set = 0;
4161 static int nl80211_send_eapol_data(struct i802_bss *bss,
4162 const u8 *addr, const u8 *data,
4165 struct sockaddr_ll ll;
4168 if (bss->drv->eapol_tx_sock < 0) {
4169 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
4173 os_memset(&ll, 0, sizeof(ll));
4174 ll.sll_family = AF_PACKET;
4175 ll.sll_ifindex = bss->ifindex;
4176 ll.sll_protocol = htons(ETH_P_PAE);
4177 ll.sll_halen = ETH_ALEN;
4178 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
4179 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
4180 (struct sockaddr *) &ll, sizeof(ll));
4182 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
4189 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4191 static int wpa_driver_nl80211_hapd_send_eapol(
4192 void *priv, const u8 *addr, const u8 *data,
4193 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
4195 struct i802_bss *bss = priv;
4196 struct wpa_driver_nl80211_data *drv = bss->drv;
4197 struct ieee80211_hdr *hdr;
4201 int qos = flags & WPA_STA_WMM;
4203 if (drv->device_ap_sme || !drv->use_monitor)
4204 return nl80211_send_eapol_data(bss, addr, data, data_len);
4206 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4208 hdr = os_zalloc(len);
4210 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4211 (unsigned long) len);
4215 hdr->frame_control =
4216 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4217 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4219 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
4221 hdr->frame_control |=
4222 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4225 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4226 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4227 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4228 pos = (u8 *) (hdr + 1);
4231 /* Set highest priority in QoS header */
4237 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4238 pos += sizeof(rfc1042_header);
4239 WPA_PUT_BE16(pos, ETH_P_PAE);
4241 memcpy(pos, data, data_len);
4243 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
4246 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4248 (unsigned long) len, errno, strerror(errno));
4256 static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
4257 unsigned int total_flags,
4258 unsigned int flags_or,
4259 unsigned int flags_and)
4261 struct i802_bss *bss = priv;
4263 struct nlattr *flags;
4264 struct nl80211_sta_flag_update upd;
4266 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4267 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4268 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4269 !!(total_flags & WPA_STA_AUTHORIZED));
4271 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
4272 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4276 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4277 * can be removed eventually.
4279 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
4281 ((total_flags & WPA_STA_AUTHORIZED) &&
4282 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4283 ((total_flags & WPA_STA_WMM) &&
4284 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4285 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4286 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4287 ((total_flags & WPA_STA_MFP) &&
4288 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4289 ((total_flags & WPA_STA_TDLS_PEER) &&
4290 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4293 nla_nest_end(msg, flags);
4295 os_memset(&upd, 0, sizeof(upd));
4296 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4297 upd.set = sta_flags_nl80211(flags_or);
4298 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4301 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
4308 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4309 struct wpa_driver_associate_params *params)
4311 enum nl80211_iftype nlmode, old_mode;
4314 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4316 nlmode = NL80211_IFTYPE_P2P_GO;
4318 nlmode = NL80211_IFTYPE_AP;
4320 old_mode = drv->nlmode;
4321 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
4322 nl80211_remove_monitor_interface(drv);
4326 if (params->freq.freq &&
4327 nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) {
4328 if (old_mode != nlmode)
4329 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
4330 nl80211_remove_monitor_interface(drv);
4338 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4344 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
4345 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4347 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4348 "(%s)", ret, strerror(-ret));
4350 wpa_printf(MSG_DEBUG,
4351 "nl80211: Leave IBSS request sent successfully");
4355 wpa_driver_nl80211_set_mode(drv->first_bss,
4356 NL80211_IFTYPE_STATION)) {
4357 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4365 static int nl80211_ht_vht_overrides(struct nl_msg *msg,
4366 struct wpa_driver_associate_params *params)
4368 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4371 if (params->htcaps && params->htcaps_mask) {
4372 int sz = sizeof(struct ieee80211_ht_capabilities);
4373 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
4374 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4375 params->htcaps_mask, sz);
4376 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4378 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4379 params->htcaps_mask))
4383 #ifdef CONFIG_VHT_OVERRIDES
4384 if (params->disable_vht) {
4385 wpa_printf(MSG_DEBUG, " * VHT disabled");
4386 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4390 if (params->vhtcaps && params->vhtcaps_mask) {
4391 int sz = sizeof(struct ieee80211_vht_capabilities);
4392 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
4393 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4394 params->vhtcaps_mask, sz);
4395 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4397 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4398 params->vhtcaps_mask))
4401 #endif /* CONFIG_VHT_OVERRIDES */
4407 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4408 struct wpa_driver_associate_params *params)
4414 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4416 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) {
4417 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4423 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
4424 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4427 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4428 params->ssid, params->ssid_len);
4429 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4431 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4432 drv->ssid_len = params->ssid_len;
4434 if (nl80211_put_freq_params(msg, ¶ms->freq) < 0 ||
4435 nl80211_put_beacon_int(msg, params->beacon_int))
4438 ret = nl80211_set_conn_keys(params, msg);
4442 if (params->bssid && params->fixed_bssid) {
4443 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4444 MAC2STR(params->bssid));
4445 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4449 if (params->fixed_freq) {
4450 wpa_printf(MSG_DEBUG, " * fixed_freq");
4451 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
4455 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4456 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4457 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4458 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
4459 wpa_printf(MSG_DEBUG, " * control port");
4460 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4464 if (params->wpa_ie) {
4465 wpa_hexdump(MSG_DEBUG,
4466 " * Extra IEs for Beacon/Probe Response frames",
4467 params->wpa_ie, params->wpa_ie_len);
4468 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
4473 if (nl80211_ht_vht_overrides(msg, params) < 0)
4476 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4479 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
4480 ret, strerror(-ret));
4482 if (ret == -EALREADY && count == 1) {
4483 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
4485 nl80211_leave_ibss(drv, 0);
4490 wpa_printf(MSG_DEBUG,
4491 "nl80211: Join IBSS request sent successfully");
4500 static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
4501 struct wpa_driver_associate_params *params,
4504 if (params->bssid) {
4505 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4506 MAC2STR(params->bssid));
4507 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4511 if (params->bssid_hint) {
4512 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
4513 MAC2STR(params->bssid_hint));
4514 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
4515 params->bssid_hint))
4519 if (params->freq.freq) {
4520 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
4521 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
4524 drv->assoc_freq = params->freq.freq;
4526 drv->assoc_freq = 0;
4528 if (params->freq_hint) {
4529 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
4530 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
4535 if (params->bg_scan_period >= 0) {
4536 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
4537 params->bg_scan_period);
4538 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
4539 params->bg_scan_period))
4544 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4545 params->ssid, params->ssid_len);
4546 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4549 if (params->ssid_len > sizeof(drv->ssid))
4551 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4552 drv->ssid_len = params->ssid_len;
4555 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
4556 if (params->wpa_ie &&
4557 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
4560 if (params->wpa_proto) {
4561 enum nl80211_wpa_versions ver = 0;
4563 if (params->wpa_proto & WPA_PROTO_WPA)
4564 ver |= NL80211_WPA_VERSION_1;
4565 if (params->wpa_proto & WPA_PROTO_RSN)
4566 ver |= NL80211_WPA_VERSION_2;
4568 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
4569 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4573 if (params->pairwise_suite != WPA_CIPHER_NONE) {
4574 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
4575 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
4576 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4581 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
4582 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
4584 * This is likely to work even though many drivers do not
4585 * advertise support for operations without GTK.
4587 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4588 } else if (params->group_suite != WPA_CIPHER_NONE) {
4589 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
4590 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
4591 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
4595 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4596 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4597 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
4598 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
4599 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
4600 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
4601 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4602 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4603 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
4604 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
4605 int mgmt = WLAN_AKM_SUITE_PSK;
4607 switch (params->key_mgmt_suite) {
4608 case WPA_KEY_MGMT_CCKM:
4609 mgmt = WLAN_AKM_SUITE_CCKM;
4611 case WPA_KEY_MGMT_IEEE8021X:
4612 mgmt = WLAN_AKM_SUITE_8021X;
4614 case WPA_KEY_MGMT_FT_IEEE8021X:
4615 mgmt = WLAN_AKM_SUITE_FT_8021X;
4617 case WPA_KEY_MGMT_FT_PSK:
4618 mgmt = WLAN_AKM_SUITE_FT_PSK;
4620 case WPA_KEY_MGMT_IEEE8021X_SHA256:
4621 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
4623 case WPA_KEY_MGMT_PSK_SHA256:
4624 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
4626 case WPA_KEY_MGMT_OSEN:
4627 mgmt = WLAN_AKM_SUITE_OSEN;
4629 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
4630 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
4632 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
4633 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B_192;
4635 case WPA_KEY_MGMT_PSK:
4637 mgmt = WLAN_AKM_SUITE_PSK;
4640 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
4641 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
4645 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4648 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
4649 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
4652 if (params->rrm_used) {
4653 u32 drv_rrm_flags = drv->capa.rrm_flags;
4654 if (!(drv_rrm_flags &
4655 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) ||
4656 !(drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET) ||
4657 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
4661 if (nl80211_ht_vht_overrides(msg, params) < 0)
4665 wpa_printf(MSG_DEBUG, " * P2P group");
4671 static int wpa_driver_nl80211_try_connect(
4672 struct wpa_driver_nl80211_data *drv,
4673 struct wpa_driver_associate_params *params)
4676 enum nl80211_auth_type type;
4680 if (params->req_key_mgmt_offload && params->psk &&
4681 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4682 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4683 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
4684 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
4685 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
4690 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
4691 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
4695 ret = nl80211_connect_common(drv, params, msg);
4700 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4702 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4704 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4707 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
4709 goto skip_auth_type;
4712 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4713 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
4714 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4715 type = NL80211_AUTHTYPE_SHARED_KEY;
4716 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4717 type = NL80211_AUTHTYPE_NETWORK_EAP;
4718 else if (params->auth_alg & WPA_AUTH_ALG_FT)
4719 type = NL80211_AUTHTYPE_FT;
4723 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
4724 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
4728 ret = nl80211_set_conn_keys(params, msg);
4732 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4735 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
4736 "(%s)", ret, strerror(-ret));
4738 wpa_printf(MSG_DEBUG,
4739 "nl80211: Connect request send successfully");
4749 static int wpa_driver_nl80211_connect(
4750 struct wpa_driver_nl80211_data *drv,
4751 struct wpa_driver_associate_params *params)
4755 /* Store the connection attempted bssid for future use */
4757 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
4759 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
4761 ret = wpa_driver_nl80211_try_connect(drv, params);
4762 if (ret == -EALREADY) {
4764 * cfg80211 does not currently accept new connections if
4765 * we are already connected. As a workaround, force
4766 * disconnection and try again.
4768 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
4769 "disconnecting before reassociation "
4771 if (wpa_driver_nl80211_disconnect(
4772 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
4774 ret = wpa_driver_nl80211_try_connect(drv, params);
4780 static int wpa_driver_nl80211_associate(
4781 void *priv, struct wpa_driver_associate_params *params)
4783 struct i802_bss *bss = priv;
4784 struct wpa_driver_nl80211_data *drv = bss->drv;
4788 nl80211_unmask_11b_rates(bss);
4790 if (params->mode == IEEE80211_MODE_AP)
4791 return wpa_driver_nl80211_ap(drv, params);
4793 if (params->mode == IEEE80211_MODE_IBSS)
4794 return wpa_driver_nl80211_ibss(drv, params);
4796 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
4797 enum nl80211_iftype nlmode = params->p2p ?
4798 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
4800 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4802 return wpa_driver_nl80211_connect(drv, params);
4805 nl80211_mark_disconnected(drv);
4807 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
4809 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
4813 ret = nl80211_connect_common(drv, params, msg);
4817 if (params->prev_bssid) {
4818 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
4819 MAC2STR(params->prev_bssid));
4820 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
4821 params->prev_bssid))
4825 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4828 wpa_dbg(drv->ctx, MSG_DEBUG,
4829 "nl80211: MLME command failed (assoc): ret=%d (%s)",
4830 ret, strerror(-ret));
4831 nl80211_dump_scan(drv);
4833 wpa_printf(MSG_DEBUG,
4834 "nl80211: Association request send successfully");
4843 static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
4844 int ifindex, enum nl80211_iftype mode)
4849 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
4850 ifindex, mode, nl80211_iftype_str(mode));
4852 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
4853 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
4856 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4862 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
4863 " %d (%s)", ifindex, mode, ret, strerror(-ret));
4868 static int wpa_driver_nl80211_set_mode_impl(
4869 struct i802_bss *bss,
4870 enum nl80211_iftype nlmode,
4871 struct hostapd_freq_params *desired_freq_params)
4873 struct wpa_driver_nl80211_data *drv = bss->drv;
4876 int was_ap = is_ap_interface(drv->nlmode);
4878 int mode_switch_res;
4880 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4881 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
4882 mode_switch_res = 0;
4884 if (mode_switch_res == 0) {
4885 drv->nlmode = nlmode;
4890 if (mode_switch_res == -ENODEV)
4893 if (nlmode == drv->nlmode) {
4894 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
4895 "requested mode - ignore error");
4897 goto done; /* Already in the requested mode */
4900 /* mac80211 doesn't allow mode changes while the device is up, so
4901 * take the device down, try to set the mode again, and bring the
4904 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
4906 for (i = 0; i < 10; i++) {
4907 res = i802_set_iface_flags(bss, 0);
4908 if (res == -EACCES || res == -ENODEV)
4911 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
4913 os_sleep(0, 100000);
4918 * Setting the mode will fail for some drivers if the phy is
4919 * on a frequency that the mode is disallowed in.
4921 if (desired_freq_params) {
4922 res = nl80211_set_channel(bss, desired_freq_params, 0);
4924 wpa_printf(MSG_DEBUG,
4925 "nl80211: Failed to set frequency on interface");
4929 /* Try to set the mode again while the interface is down */
4930 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4931 if (mode_switch_res == -EBUSY) {
4932 wpa_printf(MSG_DEBUG,
4933 "nl80211: Delaying mode set while interface going down");
4934 os_sleep(0, 100000);
4937 ret = mode_switch_res;
4942 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
4943 "interface is down");
4944 drv->nlmode = nlmode;
4945 drv->ignore_if_down_event = 1;
4948 /* Bring the interface back up */
4949 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
4951 wpa_printf(MSG_DEBUG,
4952 "nl80211: Failed to set interface up after switching mode");
4958 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
4959 "from %d failed", nlmode, drv->nlmode);
4963 if (is_p2p_net_interface(nlmode)) {
4964 wpa_printf(MSG_DEBUG,
4965 "nl80211: Interface %s mode change to P2P - disable 11b rates",
4967 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
4968 } else if (drv->disabled_11b_rates) {
4969 wpa_printf(MSG_DEBUG,
4970 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
4972 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
4975 if (is_ap_interface(nlmode)) {
4976 nl80211_mgmt_unsubscribe(bss, "start AP");
4977 /* Setup additional AP mode functionality if needed */
4978 if (nl80211_setup_ap(bss))
4980 } else if (was_ap) {
4981 /* Remove additional AP mode functionality */
4982 nl80211_teardown_ap(bss);
4984 nl80211_mgmt_unsubscribe(bss, "mode change");
4987 if (is_mesh_interface(nlmode) &&
4988 nl80211_mgmt_subscribe_mesh(bss))
4991 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
4992 !is_mesh_interface(nlmode) &&
4993 nl80211_mgmt_subscribe_non_ap(bss) < 0)
4994 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
4995 "frame processing - ignore for now");
5001 int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
5002 enum nl80211_iftype nlmode)
5004 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
5008 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
5009 struct hostapd_freq_params *freq)
5011 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
5016 static int wpa_driver_nl80211_get_capa(void *priv,
5017 struct wpa_driver_capa *capa)
5019 struct i802_bss *bss = priv;
5020 struct wpa_driver_nl80211_data *drv = bss->drv;
5022 if (!drv->has_capability)
5024 os_memcpy(capa, &drv->capa, sizeof(*capa));
5025 if (drv->extended_capa && drv->extended_capa_mask) {
5026 capa->extended_capa = drv->extended_capa;
5027 capa->extended_capa_mask = drv->extended_capa_mask;
5028 capa->extended_capa_len = drv->extended_capa_len;
5035 static int wpa_driver_nl80211_set_operstate(void *priv, int state)
5037 struct i802_bss *bss = priv;
5038 struct wpa_driver_nl80211_data *drv = bss->drv;
5040 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
5041 bss->ifname, drv->operstate, state,
5042 state ? "UP" : "DORMANT");
5043 drv->operstate = state;
5044 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
5045 state ? IF_OPER_UP : IF_OPER_DORMANT);
5049 static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
5051 struct i802_bss *bss = priv;
5052 struct wpa_driver_nl80211_data *drv = bss->drv;
5054 struct nl80211_sta_flag_update upd;
5057 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
5058 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
5062 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
5063 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
5065 os_memset(&upd, 0, sizeof(upd));
5066 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
5068 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
5070 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5071 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
5072 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
5077 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5080 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
5081 ret, strerror(-ret));
5086 /* Set kernel driver on given frequency (MHz) */
5087 static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
5089 struct i802_bss *bss = priv;
5090 return nl80211_set_channel(bss, freq, 0);
5094 static inline int min_int(int a, int b)
5102 static int get_key_handler(struct nl_msg *msg, void *arg)
5104 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5105 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5107 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5108 genlmsg_attrlen(gnlh, 0), NULL);
5111 * TODO: validate the key index and mac address!
5112 * Otherwise, there's a race condition as soon as
5113 * the kernel starts sending key notifications.
5116 if (tb[NL80211_ATTR_KEY_SEQ])
5117 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
5118 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
5123 static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
5126 struct i802_bss *bss = priv;
5127 struct wpa_driver_nl80211_data *drv = bss->drv;
5130 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
5131 NL80211_CMD_GET_KEY);
5133 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
5134 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
5141 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
5145 static int i802_set_rts(void *priv, int rts)
5147 struct i802_bss *bss = priv;
5148 struct wpa_driver_nl80211_data *drv = bss->drv;
5158 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
5159 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
5164 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5167 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
5168 "%d (%s)", rts, ret, strerror(-ret));
5173 static int i802_set_frag(void *priv, int frag)
5175 struct i802_bss *bss = priv;
5176 struct wpa_driver_nl80211_data *drv = bss->drv;
5186 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
5187 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
5192 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5195 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
5196 "%d: %d (%s)", frag, ret, strerror(-ret));
5201 static int i802_flush(void *priv)
5203 struct i802_bss *bss = priv;
5207 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5211 * XXX: FIX! this needs to flush all VLANs too
5213 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5214 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5216 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5217 "(%s)", res, strerror(-res));
5223 static int get_sta_handler(struct nl_msg *msg, void *arg)
5225 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5226 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5227 struct hostap_sta_driver_data *data = arg;
5228 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5229 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5230 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5231 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5232 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5233 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5234 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
5235 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
5238 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5239 genlmsg_attrlen(gnlh, 0), NULL);
5242 * TODO: validate the interface and mac address!
5243 * Otherwise, there's a race condition as soon as
5244 * the kernel starts sending station notifications.
5247 if (!tb[NL80211_ATTR_STA_INFO]) {
5248 wpa_printf(MSG_DEBUG, "sta stats missing!");
5251 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5252 tb[NL80211_ATTR_STA_INFO],
5254 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5258 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5259 data->inactive_msec =
5260 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
5261 if (stats[NL80211_STA_INFO_RX_BYTES])
5262 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5263 if (stats[NL80211_STA_INFO_TX_BYTES])
5264 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
5265 if (stats[NL80211_STA_INFO_RX_PACKETS])
5267 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5268 if (stats[NL80211_STA_INFO_TX_PACKETS])
5270 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
5271 if (stats[NL80211_STA_INFO_TX_FAILED])
5272 data->tx_retry_failed =
5273 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
5278 static int i802_read_sta_data(struct i802_bss *bss,
5279 struct hostap_sta_driver_data *data,
5284 os_memset(data, 0, sizeof(*data));
5286 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5287 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
5292 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
5296 static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5297 int cw_min, int cw_max, int burst_time)
5299 struct i802_bss *bss = priv;
5300 struct wpa_driver_nl80211_data *drv = bss->drv;
5302 struct nlattr *txq, *params;
5304 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
5308 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5312 /* We are only sending parameters for a single TXQ at a time */
5313 params = nla_nest_start(msg, 1);
5319 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5323 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5327 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5331 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5335 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5336 * 32 usec, so need to convert the value here. */
5337 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5338 (burst_time * 100 + 16) / 32) ||
5339 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5340 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5341 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5344 nla_nest_end(msg, params);
5346 nla_nest_end(msg, txq);
5348 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5357 static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
5358 const char *ifname, int vlan_id)
5360 struct wpa_driver_nl80211_data *drv = bss->drv;
5364 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5365 ", ifname=%s[%d], vlan_id=%d)",
5366 bss->ifname, if_nametoindex(bss->ifname),
5367 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
5368 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5369 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5370 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5375 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5377 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5378 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5379 MAC2STR(addr), ifname, vlan_id, ret,
5386 static int i802_get_inact_sec(void *priv, const u8 *addr)
5388 struct hostap_sta_driver_data data;
5391 data.inactive_msec = (unsigned long) -1;
5392 ret = i802_read_sta_data(priv, &data, addr);
5395 if (ret || data.inactive_msec == (unsigned long) -1)
5397 return data.inactive_msec / 1000;
5401 static int i802_sta_clear_stats(void *priv, const u8 *addr)
5410 static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
5413 struct i802_bss *bss = priv;
5414 struct wpa_driver_nl80211_data *drv = bss->drv;
5415 struct ieee80211_mgmt mgmt;
5417 if (is_mesh_interface(drv->nlmode))
5420 if (drv->device_ap_sme)
5421 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
5423 memset(&mgmt, 0, sizeof(mgmt));
5424 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5425 WLAN_FC_STYPE_DEAUTH);
5426 memcpy(mgmt.da, addr, ETH_ALEN);
5427 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5428 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5429 mgmt.u.deauth.reason_code = host_to_le16(reason);
5430 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5432 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
5437 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
5440 struct i802_bss *bss = priv;
5441 struct wpa_driver_nl80211_data *drv = bss->drv;
5442 struct ieee80211_mgmt mgmt;
5444 if (is_mesh_interface(drv->nlmode))
5447 if (drv->device_ap_sme)
5448 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
5450 memset(&mgmt, 0, sizeof(mgmt));
5451 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5452 WLAN_FC_STYPE_DISASSOC);
5453 memcpy(mgmt.da, addr, ETH_ALEN);
5454 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5455 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5456 mgmt.u.disassoc.reason_code = host_to_le16(reason);
5457 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5459 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
5464 static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
5466 char buf[200], *pos, *end;
5470 end = pos + sizeof(buf);
5472 for (i = 0; i < drv->num_if_indices; i++) {
5473 if (!drv->if_indices[i])
5475 res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]);
5476 if (os_snprintf_error(end - pos, res))
5482 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
5483 drv->num_if_indices, buf);
5487 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5492 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
5494 if (have_ifidx(drv, ifidx)) {
5495 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
5499 for (i = 0; i < drv->num_if_indices; i++) {
5500 if (drv->if_indices[i] == 0) {
5501 drv->if_indices[i] = ifidx;
5507 if (drv->if_indices != drv->default_if_indices)
5508 old = drv->if_indices;
5512 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
5514 if (!drv->if_indices) {
5516 drv->if_indices = drv->default_if_indices;
5518 drv->if_indices = old;
5519 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
5521 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
5524 os_memcpy(drv->if_indices, drv->default_if_indices,
5525 sizeof(drv->default_if_indices));
5526 drv->if_indices[drv->num_if_indices] = ifidx;
5527 drv->num_if_indices++;
5532 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5536 for (i = 0; i < drv->num_if_indices; i++) {
5537 if (drv->if_indices[i] == ifidx) {
5538 drv->if_indices[i] = 0;
5546 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5550 for (i = 0; i < drv->num_if_indices; i++)
5551 if (drv->if_indices[i] == ifidx)
5558 static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
5559 const char *bridge_ifname, char *ifname_wds)
5561 struct i802_bss *bss = priv;
5562 struct wpa_driver_nl80211_data *drv = bss->drv;
5563 char name[IFNAMSIZ + 1];
5565 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
5567 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
5569 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
5570 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
5572 if (!if_nametoindex(name)) {
5573 if (nl80211_create_iface(drv, name,
5574 NL80211_IFTYPE_AP_VLAN,
5575 bss->addr, 1, NULL, NULL, 0) <
5578 if (bridge_ifname &&
5579 linux_br_add_if(drv->global->ioctl_sock,
5580 bridge_ifname, name) < 0)
5583 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
5584 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
5585 "interface %s up", name);
5587 return i802_set_sta_vlan(priv, addr, name, 0);
5590 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
5593 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
5594 nl80211_remove_iface(drv, if_nametoindex(name));
5600 static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
5602 struct wpa_driver_nl80211_data *drv = eloop_ctx;
5603 struct sockaddr_ll lladdr;
5604 unsigned char buf[3000];
5606 socklen_t fromlen = sizeof(lladdr);
5608 len = recvfrom(sock, buf, sizeof(buf), 0,
5609 (struct sockaddr *)&lladdr, &fromlen);
5611 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
5616 if (have_ifidx(drv, lladdr.sll_ifindex))
5617 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
5621 static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
5622 struct i802_bss *bss,
5623 const char *brname, const char *ifname)
5626 char in_br[IFNAMSIZ];
5628 os_strlcpy(bss->brname, brname, IFNAMSIZ);
5629 br_ifindex = if_nametoindex(brname);
5630 if (br_ifindex == 0) {
5632 * Bridge was configured, but the bridge device does
5633 * not exist. Try to add it now.
5635 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
5636 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
5637 "bridge interface %s: %s",
5638 brname, strerror(errno));
5641 bss->added_bridge = 1;
5642 br_ifindex = if_nametoindex(brname);
5643 add_ifidx(drv, br_ifindex);
5645 bss->br_ifindex = br_ifindex;
5647 if (linux_br_get(in_br, ifname) == 0) {
5648 if (os_strcmp(in_br, brname) == 0)
5649 return 0; /* already in the bridge */
5651 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
5652 "bridge %s", ifname, in_br);
5653 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
5655 wpa_printf(MSG_ERROR, "nl80211: Failed to "
5656 "remove interface %s from bridge "
5658 ifname, brname, strerror(errno));
5663 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
5665 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
5666 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
5667 "into bridge %s: %s",
5668 ifname, brname, strerror(errno));
5671 bss->added_if_into_bridge = 1;
5677 static void *i802_init(struct hostapd_data *hapd,
5678 struct wpa_init_params *params)
5680 struct wpa_driver_nl80211_data *drv;
5681 struct i802_bss *bss;
5683 char master_ifname[IFNAMSIZ];
5684 int ifindex, br_ifindex = 0;
5687 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
5688 params->global_priv, 1,
5689 params->bssid, params->driver_params);
5695 if (linux_br_get(master_ifname, params->ifname) == 0) {
5696 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
5697 params->ifname, master_ifname);
5698 br_ifindex = if_nametoindex(master_ifname);
5699 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
5700 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
5701 linux_master_get(master_ifname, params->ifname) == 0) {
5702 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
5703 params->ifname, master_ifname);
5704 /* start listening for EAPOL on the master interface */
5705 add_ifidx(drv, if_nametoindex(master_ifname));
5707 master_ifname[0] = '\0';
5710 bss->br_ifindex = br_ifindex;
5712 for (i = 0; i < params->num_bridge; i++) {
5713 if (params->bridge[i]) {
5714 ifindex = if_nametoindex(params->bridge[i]);
5716 add_ifidx(drv, ifindex);
5717 if (ifindex == br_ifindex)
5722 /* start listening for EAPOL on the default AP interface */
5723 add_ifidx(drv, drv->ifindex);
5725 if (params->num_bridge && params->bridge[0]) {
5726 if (i802_check_bridge(drv, bss, params->bridge[0],
5727 params->ifname) < 0)
5729 if (os_strcmp(params->bridge[0], master_ifname) != 0)
5733 if (!br_added && br_ifindex &&
5734 (params->num_bridge == 0 || !params->bridge[0]))
5735 add_ifidx(drv, br_ifindex);
5737 #ifdef CONFIG_LIBNL3_ROUTE
5738 if (bss->added_if_into_bridge) {
5739 drv->rtnl_sk = nl_socket_alloc();
5740 if (drv->rtnl_sk == NULL) {
5741 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
5745 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
5746 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
5751 #endif /* CONFIG_LIBNL3_ROUTE */
5753 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
5754 if (drv->eapol_sock < 0) {
5755 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
5760 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
5762 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
5766 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
5769 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
5771 memcpy(bss->addr, params->own_addr, ETH_ALEN);
5776 wpa_driver_nl80211_deinit(bss);
5781 static void i802_deinit(void *priv)
5783 struct i802_bss *bss = priv;
5784 wpa_driver_nl80211_deinit(bss);
5788 static enum nl80211_iftype wpa_driver_nl80211_if_type(
5789 enum wpa_driver_if_type type)
5792 case WPA_IF_STATION:
5793 return NL80211_IFTYPE_STATION;
5794 case WPA_IF_P2P_CLIENT:
5795 case WPA_IF_P2P_GROUP:
5796 return NL80211_IFTYPE_P2P_CLIENT;
5797 case WPA_IF_AP_VLAN:
5798 return NL80211_IFTYPE_AP_VLAN;
5800 return NL80211_IFTYPE_AP;
5802 return NL80211_IFTYPE_P2P_GO;
5803 case WPA_IF_P2P_DEVICE:
5804 return NL80211_IFTYPE_P2P_DEVICE;
5806 return NL80211_IFTYPE_MESH_POINT;
5812 static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
5814 struct wpa_driver_nl80211_data *drv;
5815 dl_list_for_each(drv, &global->interfaces,
5816 struct wpa_driver_nl80211_data, list) {
5817 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
5824 static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
5831 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
5832 for (idx = 0; idx < 64; idx++) {
5833 new_addr[0] = drv->first_bss->addr[0] | 0x02;
5834 new_addr[0] ^= idx << 2;
5835 if (!nl80211_addr_in_use(drv->global, new_addr))
5841 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
5842 MACSTR, MAC2STR(new_addr));
5851 u8 macaddr[ETH_ALEN];
5854 static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
5856 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5857 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5858 struct wdev_info *wi = arg;
5860 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5861 genlmsg_attrlen(gnlh, 0), NULL);
5862 if (tb[NL80211_ATTR_WDEV]) {
5863 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
5864 wi->wdev_id_set = 1;
5867 if (tb[NL80211_ATTR_MAC])
5868 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
5875 static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
5876 const char *ifname, const u8 *addr,
5877 void *bss_ctx, void **drv_priv,
5878 char *force_ifname, u8 *if_addr,
5879 const char *bridge, int use_existing)
5881 enum nl80211_iftype nlmode;
5882 struct i802_bss *bss = priv;
5883 struct wpa_driver_nl80211_data *drv = bss->drv;
5888 os_memcpy(if_addr, addr, ETH_ALEN);
5889 nlmode = wpa_driver_nl80211_if_type(type);
5890 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
5891 struct wdev_info p2pdev_info;
5893 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
5894 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
5895 0, nl80211_wdev_handler,
5896 &p2pdev_info, use_existing);
5897 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
5898 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
5903 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
5904 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
5905 if (!is_zero_ether_addr(p2pdev_info.macaddr))
5906 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
5907 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
5909 (long long unsigned int) p2pdev_info.wdev_id);
5911 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
5912 0, NULL, NULL, use_existing);
5913 if (use_existing && ifidx == -ENFILE) {
5915 ifidx = if_nametoindex(ifname);
5916 } else if (ifidx < 0) {
5922 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
5923 os_memcpy(if_addr, bss->addr, ETH_ALEN);
5924 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
5925 ifname, if_addr) < 0) {
5927 nl80211_remove_iface(drv, ifidx);
5933 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
5934 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
5935 type == WPA_IF_STATION)) {
5936 /* Enforce unique address */
5937 u8 new_addr[ETH_ALEN];
5939 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
5942 nl80211_remove_iface(drv, ifidx);
5945 if (nl80211_addr_in_use(drv->global, new_addr)) {
5946 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
5947 "for interface %s type %d", ifname, type);
5948 if (nl80211_vif_addr(drv, new_addr) < 0) {
5950 nl80211_remove_iface(drv, ifidx);
5953 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5956 nl80211_remove_iface(drv, ifidx);
5960 os_memcpy(if_addr, new_addr, ETH_ALEN);
5963 if (type == WPA_IF_AP_BSS) {
5964 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
5965 if (new_bss == NULL) {
5967 nl80211_remove_iface(drv, ifidx);
5972 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
5973 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
5974 "interface %s to a bridge %s",
5977 nl80211_remove_iface(drv, ifidx);
5982 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
5985 nl80211_remove_iface(drv, ifidx);
5989 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
5990 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
5991 new_bss->ifindex = ifidx;
5993 new_bss->next = drv->first_bss->next;
5994 new_bss->freq = drv->first_bss->freq;
5995 new_bss->ctx = bss_ctx;
5996 new_bss->added_if = added;
5997 drv->first_bss->next = new_bss;
5999 *drv_priv = new_bss;
6000 nl80211_init_bss(new_bss);
6002 /* Subscribe management frames for this WPA_IF_AP_BSS */
6003 if (nl80211_setup_ap(new_bss))
6008 drv->global->if_add_ifindex = ifidx;
6011 * Some virtual interfaces need to process EAPOL packets and events on
6012 * the parent interface. This is used mainly with hostapd.
6016 nlmode == NL80211_IFTYPE_AP_VLAN ||
6017 nlmode == NL80211_IFTYPE_WDS ||
6018 nlmode == NL80211_IFTYPE_MONITOR))
6019 add_ifidx(drv, ifidx);
6025 static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
6026 enum wpa_driver_if_type type,
6029 struct wpa_driver_nl80211_data *drv = bss->drv;
6030 int ifindex = if_nametoindex(ifname);
6032 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
6033 __func__, type, ifname, ifindex, bss->added_if);
6034 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
6035 nl80211_remove_iface(drv, ifindex);
6036 else if (ifindex > 0 && !bss->added_if) {
6037 struct wpa_driver_nl80211_data *drv2;
6038 dl_list_for_each(drv2, &drv->global->interfaces,
6039 struct wpa_driver_nl80211_data, list)
6040 del_ifidx(drv2, ifindex);
6043 if (type != WPA_IF_AP_BSS)
6046 if (bss->added_if_into_bridge) {
6047 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
6049 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6050 "interface %s from bridge %s: %s",
6051 bss->ifname, bss->brname, strerror(errno));
6053 if (bss->added_bridge) {
6054 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
6055 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
6057 bss->brname, strerror(errno));
6060 if (bss != drv->first_bss) {
6061 struct i802_bss *tbss;
6063 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
6064 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
6065 if (tbss->next == bss) {
6066 tbss->next = bss->next;
6067 /* Unsubscribe management frames */
6068 nl80211_teardown_ap(bss);
6069 nl80211_destroy_bss(bss);
6071 i802_set_iface_flags(bss, 0);
6078 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
6079 "BSS %p in the list", __func__, bss);
6081 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
6082 nl80211_teardown_ap(bss);
6083 if (!bss->added_if && !drv->first_bss->next)
6084 wpa_driver_nl80211_del_beacon(drv);
6085 nl80211_destroy_bss(bss);
6087 i802_set_iface_flags(bss, 0);
6088 if (drv->first_bss->next) {
6089 drv->first_bss = drv->first_bss->next;
6090 drv->ctx = drv->first_bss->ctx;
6093 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
6101 static int cookie_handler(struct nl_msg *msg, void *arg)
6103 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6104 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6106 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6107 genlmsg_attrlen(gnlh, 0), NULL);
6108 if (tb[NL80211_ATTR_COOKIE])
6109 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
6114 static int nl80211_send_frame_cmd(struct i802_bss *bss,
6115 unsigned int freq, unsigned int wait,
6116 const u8 *buf, size_t buf_len,
6117 u64 *cookie_out, int no_cck, int no_ack,
6120 struct wpa_driver_nl80211_data *drv = bss->drv;
6125 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
6126 "no_ack=%d offchanok=%d",
6127 freq, wait, no_cck, no_ack, offchanok);
6128 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
6130 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
6131 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
6132 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
6133 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6134 drv->test_use_roc_tx) &&
6135 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
6136 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
6137 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
6138 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
6142 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6145 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
6146 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
6149 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
6150 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
6151 (long long unsigned int) cookie);
6154 *cookie_out = no_ack ? (u64) -1 : cookie;
6163 static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
6165 unsigned int wait_time,
6166 const u8 *dst, const u8 *src,
6168 const u8 *data, size_t data_len,
6171 struct wpa_driver_nl80211_data *drv = bss->drv;
6174 struct ieee80211_hdr *hdr;
6176 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
6177 "freq=%u MHz wait=%d ms no_cck=%d)",
6178 drv->ifindex, freq, wait_time, no_cck);
6180 buf = os_zalloc(24 + data_len);
6183 os_memcpy(buf + 24, data, data_len);
6184 hdr = (struct ieee80211_hdr *) buf;
6185 hdr->frame_control =
6186 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
6187 os_memcpy(hdr->addr1, dst, ETH_ALEN);
6188 os_memcpy(hdr->addr2, src, ETH_ALEN);
6189 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
6191 if (is_ap_interface(drv->nlmode) &&
6192 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
6193 (int) freq == bss->freq || drv->device_ap_sme ||
6195 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
6199 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
6201 &drv->send_action_cookie,
6209 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6211 struct i802_bss *bss = priv;
6212 struct wpa_driver_nl80211_data *drv = bss->drv;
6216 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
6217 (long long unsigned int) drv->send_action_cookie);
6218 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
6219 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie)) {
6224 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6226 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6227 "(%s)", ret, strerror(-ret));
6231 static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6232 unsigned int duration)
6234 struct i802_bss *bss = priv;
6235 struct wpa_driver_nl80211_data *drv = bss->drv;
6240 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
6241 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6242 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6248 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6250 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6251 "0x%llx for freq=%u MHz duration=%u",
6252 (long long unsigned int) cookie, freq, duration);
6253 drv->remain_on_chan_cookie = cookie;
6254 drv->pending_remain_on_chan = 1;
6257 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
6258 "(freq=%d duration=%u): %d (%s)",
6259 freq, duration, ret, strerror(-ret));
6264 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6266 struct i802_bss *bss = priv;
6267 struct wpa_driver_nl80211_data *drv = bss->drv;
6271 if (!drv->pending_remain_on_chan) {
6272 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6277 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6279 (long long unsigned int) drv->remain_on_chan_cookie);
6281 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6283 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6288 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6291 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6292 "%d (%s)", ret, strerror(-ret));
6297 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
6299 struct wpa_driver_nl80211_data *drv = bss->drv;
6302 if (bss->nl_preq && drv->device_ap_sme &&
6303 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
6306 * Do not disable Probe Request reporting that was
6307 * enabled in nl80211_setup_ap().
6309 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
6310 "Probe Request reporting nl_preq=%p while "
6311 "in AP mode", bss->nl_preq);
6312 } else if (bss->nl_preq) {
6313 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
6314 "reporting nl_preq=%p", bss->nl_preq);
6315 nl80211_destroy_eloop_handle(&bss->nl_preq);
6321 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
6322 "already on! nl_preq=%p", bss->nl_preq);
6326 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
6327 if (bss->nl_preq == NULL)
6329 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
6330 "reporting nl_preq=%p", bss->nl_preq);
6332 if (nl80211_register_frame(bss, bss->nl_preq,
6333 (WLAN_FC_TYPE_MGMT << 2) |
6334 (WLAN_FC_STYPE_PROBE_REQ << 4),
6338 nl80211_register_eloop_read(&bss->nl_preq,
6339 wpa_driver_nl80211_event_receive,
6345 nl_destroy_handles(&bss->nl_preq);
6350 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
6351 int ifindex, int disabled)
6354 struct nlattr *bands, *band;
6357 wpa_printf(MSG_DEBUG,
6358 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6359 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
6360 "no NL80211_TXRATE_LEGACY constraint");
6362 msg = nl80211_ifindex_msg(drv, ifindex, 0,
6363 NL80211_CMD_SET_TX_BITRATE_MASK);
6367 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
6372 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6373 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6374 * rates. All 5 GHz rates are left enabled.
6376 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
6378 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
6379 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6381 nla_nest_end(msg, band);
6383 nla_nest_end(msg, bands);
6385 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6387 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
6388 "(%s)", ret, strerror(-ret));
6390 drv->disabled_11b_rates = disabled;
6400 static int wpa_driver_nl80211_deinit_ap(void *priv)
6402 struct i802_bss *bss = priv;
6403 struct wpa_driver_nl80211_data *drv = bss->drv;
6404 if (!is_ap_interface(drv->nlmode))
6406 wpa_driver_nl80211_del_beacon(drv);
6407 bss->beacon_set = 0;
6410 * If the P2P GO interface was dynamically added, then it is
6411 * possible that the interface change to station is not possible.
6413 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
6416 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6420 static int wpa_driver_nl80211_stop_ap(void *priv)
6422 struct i802_bss *bss = priv;
6423 struct wpa_driver_nl80211_data *drv = bss->drv;
6424 if (!is_ap_interface(drv->nlmode))
6426 wpa_driver_nl80211_del_beacon(drv);
6427 bss->beacon_set = 0;
6432 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
6434 struct i802_bss *bss = priv;
6435 struct wpa_driver_nl80211_data *drv = bss->drv;
6436 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
6440 * If the P2P Client interface was dynamically added, then it is
6441 * possible that the interface change to station is not possible.
6443 if (bss->if_dynamic)
6446 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6450 static void wpa_driver_nl80211_resume(void *priv)
6452 struct i802_bss *bss = priv;
6454 if (i802_set_iface_flags(bss, 1))
6455 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
6459 static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
6461 struct i802_bss *bss = priv;
6462 struct wpa_driver_nl80211_data *drv = bss->drv;
6466 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
6467 "hysteresis=%d", threshold, hysteresis);
6469 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
6470 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
6471 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
6472 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
6476 nla_nest_end(msg, cqm);
6478 return send_and_recv_msgs(drv, msg, NULL, NULL);
6482 static int get_channel_width(struct nl_msg *msg, void *arg)
6484 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6485 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6486 struct wpa_signal_info *sig_change = arg;
6488 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6489 genlmsg_attrlen(gnlh, 0), NULL);
6491 sig_change->center_frq1 = -1;
6492 sig_change->center_frq2 = -1;
6493 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
6495 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
6496 sig_change->chanwidth = convert2width(
6497 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
6498 if (tb[NL80211_ATTR_CENTER_FREQ1])
6499 sig_change->center_frq1 =
6500 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
6501 if (tb[NL80211_ATTR_CENTER_FREQ2])
6502 sig_change->center_frq2 =
6503 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
6510 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
6511 struct wpa_signal_info *sig)
6515 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
6516 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
6520 static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
6522 struct i802_bss *bss = priv;
6523 struct wpa_driver_nl80211_data *drv = bss->drv;
6526 os_memset(si, 0, sizeof(*si));
6527 res = nl80211_get_link_signal(drv, si);
6531 res = nl80211_get_channel_width(drv, si);
6535 return nl80211_get_link_noise(drv, si);
6539 static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
6542 struct i802_bss *bss = priv;
6543 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
6548 static int nl80211_set_param(void *priv, const char *param)
6550 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
6555 if (os_strstr(param, "use_p2p_group_interface=1")) {
6556 struct i802_bss *bss = priv;
6557 struct wpa_driver_nl80211_data *drv = bss->drv;
6559 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
6561 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
6562 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
6564 #endif /* CONFIG_P2P */
6566 if (os_strstr(param, "use_monitor=1")) {
6567 struct i802_bss *bss = priv;
6568 struct wpa_driver_nl80211_data *drv = bss->drv;
6569 drv->use_monitor = 1;
6572 if (os_strstr(param, "force_connect_cmd=1")) {
6573 struct i802_bss *bss = priv;
6574 struct wpa_driver_nl80211_data *drv = bss->drv;
6575 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
6576 drv->force_connect_cmd = 1;
6579 if (os_strstr(param, "no_offchannel_tx=1")) {
6580 struct i802_bss *bss = priv;
6581 struct wpa_driver_nl80211_data *drv = bss->drv;
6582 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
6583 drv->test_use_roc_tx = 1;
6590 static void * nl80211_global_init(void)
6592 struct nl80211_global *global;
6593 struct netlink_config *cfg;
6595 global = os_zalloc(sizeof(*global));
6598 global->ioctl_sock = -1;
6599 dl_list_init(&global->interfaces);
6600 global->if_add_ifindex = -1;
6602 cfg = os_zalloc(sizeof(*cfg));
6607 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
6608 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
6609 global->netlink = netlink_init(cfg);
6610 if (global->netlink == NULL) {
6615 if (wpa_driver_nl80211_init_nl_global(global) < 0)
6618 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
6619 if (global->ioctl_sock < 0) {
6620 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
6628 nl80211_global_deinit(global);
6633 static void nl80211_global_deinit(void *priv)
6635 struct nl80211_global *global = priv;
6638 if (!dl_list_empty(&global->interfaces)) {
6639 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
6640 "nl80211_global_deinit",
6641 dl_list_len(&global->interfaces));
6644 if (global->netlink)
6645 netlink_deinit(global->netlink);
6647 nl_destroy_handles(&global->nl);
6649 if (global->nl_event)
6650 nl80211_destroy_eloop_handle(&global->nl_event);
6652 nl_cb_put(global->nl_cb);
6654 if (global->ioctl_sock >= 0)
6655 close(global->ioctl_sock);
6661 static const char * nl80211_get_radio_name(void *priv)
6663 struct i802_bss *bss = priv;
6664 struct wpa_driver_nl80211_data *drv = bss->drv;
6665 return drv->phyname;
6669 static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
6674 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
6675 (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
6676 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
6681 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
6685 static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6687 struct i802_bss *bss = priv;
6688 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
6689 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
6693 static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6695 struct i802_bss *bss = priv;
6696 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
6698 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
6702 static int nl80211_flush_pmkid(void *priv)
6704 struct i802_bss *bss = priv;
6705 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
6706 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
6710 static void clean_survey_results(struct survey_results *survey_results)
6712 struct freq_survey *survey, *tmp;
6714 if (dl_list_empty(&survey_results->survey_list))
6717 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
6718 struct freq_survey, list) {
6719 dl_list_del(&survey->list);
6725 static void add_survey(struct nlattr **sinfo, u32 ifidx,
6726 struct dl_list *survey_list)
6728 struct freq_survey *survey;
6730 survey = os_zalloc(sizeof(struct freq_survey));
6734 survey->ifidx = ifidx;
6735 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6738 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
6739 survey->nf = (int8_t)
6740 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
6741 survey->filled |= SURVEY_HAS_NF;
6744 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
6745 survey->channel_time =
6746 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
6747 survey->filled |= SURVEY_HAS_CHAN_TIME;
6750 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
6751 survey->channel_time_busy =
6752 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
6753 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
6756 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
6757 survey->channel_time_rx =
6758 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
6759 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
6762 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
6763 survey->channel_time_tx =
6764 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
6765 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
6768 wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)",
6771 (unsigned long int) survey->channel_time,
6772 (unsigned long int) survey->channel_time_busy,
6773 (unsigned long int) survey->channel_time_tx,
6774 (unsigned long int) survey->channel_time_rx,
6777 dl_list_add_tail(survey_list, &survey->list);
6781 static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
6782 unsigned int freq_filter)
6787 return freq_filter == surveyed_freq;
6791 static int survey_handler(struct nl_msg *msg, void *arg)
6793 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6794 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6795 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
6796 struct survey_results *survey_results;
6797 u32 surveyed_freq = 0;
6800 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
6801 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
6802 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
6805 survey_results = (struct survey_results *) arg;
6807 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6808 genlmsg_attrlen(gnlh, 0), NULL);
6810 if (!tb[NL80211_ATTR_IFINDEX])
6813 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
6815 if (!tb[NL80211_ATTR_SURVEY_INFO])
6818 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
6819 tb[NL80211_ATTR_SURVEY_INFO],
6823 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
6824 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
6828 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6830 if (!check_survey_ok(sinfo, surveyed_freq,
6831 survey_results->freq_filter))
6834 if (survey_results->freq_filter &&
6835 survey_results->freq_filter != surveyed_freq) {
6836 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
6841 add_survey(sinfo, ifidx, &survey_results->survey_list);
6847 static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
6849 struct i802_bss *bss = priv;
6850 struct wpa_driver_nl80211_data *drv = bss->drv;
6853 union wpa_event_data data;
6854 struct survey_results *survey_results;
6856 os_memset(&data, 0, sizeof(data));
6857 survey_results = &data.survey_results;
6859 dl_list_init(&survey_results->survey_list);
6861 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
6866 data.survey_results.freq_filter = freq;
6869 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
6870 err = send_and_recv_msgs(drv, msg, survey_handler,
6875 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
6877 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
6879 clean_survey_results(survey_results);
6884 static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
6885 const u8 *kck, size_t kck_len,
6886 const u8 *replay_ctr)
6888 struct i802_bss *bss = priv;
6889 struct wpa_driver_nl80211_data *drv = bss->drv;
6890 struct nlattr *replay_nested;
6894 if (!drv->set_rekey_offload)
6897 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
6898 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
6899 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
6900 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
6901 nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck) ||
6902 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
6904 nl80211_nlmsg_clear(msg);
6909 nla_nest_end(msg, replay_nested);
6911 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
6912 if (ret == -EOPNOTSUPP) {
6913 wpa_printf(MSG_DEBUG,
6914 "nl80211: Driver does not support rekey offload");
6915 drv->set_rekey_offload = 0;
6920 static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
6921 const u8 *addr, int qos)
6923 /* send data frame to poll STA and check whether
6924 * this frame is ACKed */
6926 struct ieee80211_hdr hdr;
6928 } STRUCT_PACKED nulldata;
6931 /* Send data frame to poll STA and check whether this frame is ACKed */
6933 os_memset(&nulldata, 0, sizeof(nulldata));
6936 nulldata.hdr.frame_control =
6937 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6938 WLAN_FC_STYPE_QOS_NULL);
6939 size = sizeof(nulldata);
6941 nulldata.hdr.frame_control =
6942 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6943 WLAN_FC_STYPE_NULLFUNC);
6944 size = sizeof(struct ieee80211_hdr);
6947 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
6948 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
6949 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
6950 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
6952 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
6954 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
6958 static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
6961 struct i802_bss *bss = priv;
6962 struct wpa_driver_nl80211_data *drv = bss->drv;
6966 if (!drv->poll_command_supported) {
6967 nl80211_send_null_frame(bss, own_addr, addr, qos);
6971 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
6972 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
6977 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6979 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
6980 MACSTR " failed: ret=%d (%s)",
6981 MAC2STR(addr), ret, strerror(-ret));
6986 static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
6990 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
6991 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
6992 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
6996 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
7000 static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
7003 struct i802_bss *bss = priv;
7005 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
7006 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
7008 if (opp_ps != -1 || ctwindow != -1) {
7010 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
7011 #else /* ANDROID_P2P */
7012 return -1; /* Not yet supported */
7013 #endif /* ANDROID_P2P */
7016 if (legacy_ps == -1)
7018 if (legacy_ps != 0 && legacy_ps != 1)
7019 return -1; /* Not yet supported */
7021 return nl80211_set_power_save(bss, legacy_ps);
7025 static int nl80211_start_radar_detection(void *priv,
7026 struct hostapd_freq_params *freq)
7028 struct i802_bss *bss = priv;
7029 struct wpa_driver_nl80211_data *drv = bss->drv;
7033 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
7034 freq->freq, freq->ht_enabled, freq->vht_enabled,
7035 freq->bandwidth, freq->center_freq1, freq->center_freq2);
7037 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
7038 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
7043 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
7044 nl80211_put_freq_params(msg, freq) < 0) {
7049 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7052 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
7053 "%d (%s)", ret, strerror(-ret));
7059 static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
7060 u8 dialog_token, u16 status_code,
7061 u32 peer_capab, int initiator, const u8 *buf,
7064 struct i802_bss *bss = priv;
7065 struct wpa_driver_nl80211_data *drv = bss->drv;
7068 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7074 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
7075 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
7076 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
7077 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
7078 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
7082 * The internal enum tdls_peer_capability definition is
7083 * currently identical with the nl80211 enum
7084 * nl80211_tdls_peer_capability, so no conversion is needed
7087 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
7092 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
7093 nla_put(msg, NL80211_ATTR_IE, len, buf))
7096 return send_and_recv_msgs(drv, msg, NULL, NULL);
7104 static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
7106 struct i802_bss *bss = priv;
7107 struct wpa_driver_nl80211_data *drv = bss->drv;
7109 enum nl80211_tdls_operation nl80211_oper;
7111 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
7115 case TDLS_DISCOVERY_REQ:
7116 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
7119 nl80211_oper = NL80211_TDLS_SETUP;
7122 nl80211_oper = NL80211_TDLS_TEARDOWN;
7124 case TDLS_ENABLE_LINK:
7125 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
7127 case TDLS_DISABLE_LINK:
7128 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
7138 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
7139 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
7140 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
7145 return send_and_recv_msgs(drv, msg, NULL, NULL);
7150 nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
7151 const struct hostapd_freq_params *params)
7153 struct i802_bss *bss = priv;
7154 struct wpa_driver_nl80211_data *drv = bss->drv;
7158 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7159 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7162 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
7163 " oper_class=%u freq=%u",
7164 MAC2STR(addr), oper_class, params->freq);
7165 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
7167 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7168 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
7169 (ret = nl80211_put_freq_params(msg, params))) {
7171 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
7175 return send_and_recv_msgs(drv, msg, NULL, NULL);
7180 nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
7182 struct i802_bss *bss = priv;
7183 struct wpa_driver_nl80211_data *drv = bss->drv;
7186 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
7187 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
7190 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
7192 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
7194 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7196 wpa_printf(MSG_DEBUG,
7197 "nl80211: Could not build TDLS cancel chan switch");
7201 return send_and_recv_msgs(drv, msg, NULL, NULL);
7204 #endif /* CONFIG TDLS */
7207 static int driver_nl80211_set_key(const char *ifname, void *priv,
7208 enum wpa_alg alg, const u8 *addr,
7209 int key_idx, int set_tx,
7210 const u8 *seq, size_t seq_len,
7211 const u8 *key, size_t key_len)
7213 struct i802_bss *bss = priv;
7214 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
7215 set_tx, seq, seq_len, key, key_len);
7219 static int driver_nl80211_scan2(void *priv,
7220 struct wpa_driver_scan_params *params)
7222 struct i802_bss *bss = priv;
7223 return wpa_driver_nl80211_scan(bss, params);
7227 static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
7230 struct i802_bss *bss = priv;
7231 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
7235 static int driver_nl80211_authenticate(void *priv,
7236 struct wpa_driver_auth_params *params)
7238 struct i802_bss *bss = priv;
7239 return wpa_driver_nl80211_authenticate(bss, params);
7243 static void driver_nl80211_deinit(void *priv)
7245 struct i802_bss *bss = priv;
7246 wpa_driver_nl80211_deinit(bss);
7250 static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7253 struct i802_bss *bss = priv;
7254 return wpa_driver_nl80211_if_remove(bss, type, ifname);
7258 static int driver_nl80211_send_mlme(void *priv, const u8 *data,
7259 size_t data_len, int noack,
7262 struct i802_bss *bss = priv;
7263 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
7268 static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7270 struct i802_bss *bss = priv;
7271 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
7275 static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7276 const char *ifname, int vlan_id)
7278 struct i802_bss *bss = priv;
7279 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
7283 static int driver_nl80211_read_sta_data(void *priv,
7284 struct hostap_sta_driver_data *data,
7287 struct i802_bss *bss = priv;
7288 return i802_read_sta_data(bss, data, addr);
7292 static int driver_nl80211_send_action(void *priv, unsigned int freq,
7293 unsigned int wait_time,
7294 const u8 *dst, const u8 *src,
7296 const u8 *data, size_t data_len,
7299 struct i802_bss *bss = priv;
7300 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
7301 bssid, data, data_len, no_cck);
7305 static int driver_nl80211_probe_req_report(void *priv, int report)
7307 struct i802_bss *bss = priv;
7308 return wpa_driver_nl80211_probe_req_report(bss, report);
7312 static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
7313 const u8 *ies, size_t ies_len)
7317 struct i802_bss *bss = priv;
7318 struct wpa_driver_nl80211_data *drv = bss->drv;
7319 u16 mdid = WPA_GET_LE16(md);
7321 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
7322 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
7323 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
7324 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
7329 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7331 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
7332 "err=%d (%s)", ret, strerror(-ret));
7339 const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
7341 struct i802_bss *bss = priv;
7342 struct wpa_driver_nl80211_data *drv = bss->drv;
7344 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
7351 static const char * scan_state_str(enum scan_states scan_state)
7353 switch (scan_state) {
7356 case SCAN_REQUESTED:
7357 return "SCAN_REQUESTED";
7359 return "SCAN_STARTED";
7360 case SCAN_COMPLETED:
7361 return "SCAN_COMPLETED";
7363 return "SCAN_ABORTED";
7364 case SCHED_SCAN_STARTED:
7365 return "SCHED_SCAN_STARTED";
7366 case SCHED_SCAN_STOPPED:
7367 return "SCHED_SCAN_STOPPED";
7368 case SCHED_SCAN_RESULTS:
7369 return "SCHED_SCAN_RESULTS";
7376 static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
7378 struct i802_bss *bss = priv;
7379 struct wpa_driver_nl80211_data *drv = bss->drv;
7386 res = os_snprintf(pos, end - pos,
7398 bss->beacon_set ? "beacon_set=1\n" : "",
7399 bss->added_if_into_bridge ?
7400 "added_if_into_bridge=1\n" : "",
7401 bss->added_bridge ? "added_bridge=1\n" : "",
7402 bss->in_deinit ? "in_deinit=1\n" : "",
7403 bss->if_dynamic ? "if_dynamic=1\n" : "");
7404 if (os_snprintf_error(end - pos, res))
7408 if (bss->wdev_id_set) {
7409 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
7410 (unsigned long long) bss->wdev_id);
7411 if (os_snprintf_error(end - pos, res))
7416 res = os_snprintf(pos, end - pos,
7418 "perm_addr=" MACSTR "\n"
7422 "auth_bssid=" MACSTR "\n"
7423 "auth_attempt_bssid=" MACSTR "\n"
7424 "bssid=" MACSTR "\n"
7425 "prev_bssid=" MACSTR "\n"
7429 "monitor_ifidx=%d\n"
7430 "monitor_refcount=%d\n"
7431 "last_mgmt_freq=%u\n"
7432 "eapol_tx_sock=%d\n"
7433 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
7435 MAC2STR(drv->perm_addr),
7438 scan_state_str(drv->scan_state),
7439 MAC2STR(drv->auth_bssid),
7440 MAC2STR(drv->auth_attempt_bssid),
7441 MAC2STR(drv->bssid),
7442 MAC2STR(drv->prev_bssid),
7447 drv->monitor_refcount,
7448 drv->last_mgmt_freq,
7450 drv->ignore_if_down_event ?
7451 "ignore_if_down_event=1\n" : "",
7452 drv->scan_complete_events ?
7453 "scan_complete_events=1\n" : "",
7454 drv->disabled_11b_rates ?
7455 "disabled_11b_rates=1\n" : "",
7456 drv->pending_remain_on_chan ?
7457 "pending_remain_on_chan=1\n" : "",
7458 drv->in_interface_list ? "in_interface_list=1\n" : "",
7459 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
7460 drv->poll_command_supported ?
7461 "poll_command_supported=1\n" : "",
7462 drv->data_tx_status ? "data_tx_status=1\n" : "",
7463 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
7464 drv->retry_auth ? "retry_auth=1\n" : "",
7465 drv->use_monitor ? "use_monitor=1\n" : "",
7466 drv->ignore_next_local_disconnect ?
7467 "ignore_next_local_disconnect=1\n" : "",
7468 drv->ignore_next_local_deauth ?
7469 "ignore_next_local_deauth=1\n" : "");
7470 if (os_snprintf_error(end - pos, res))
7474 if (drv->has_capability) {
7475 res = os_snprintf(pos, end - pos,
7476 "capa.key_mgmt=0x%x\n"
7479 "capa.flags=0x%llx\n"
7480 "capa.rrm_flags=0x%x\n"
7481 "capa.max_scan_ssids=%d\n"
7482 "capa.max_sched_scan_ssids=%d\n"
7483 "capa.sched_scan_supported=%d\n"
7484 "capa.max_match_sets=%d\n"
7485 "capa.max_remain_on_chan=%u\n"
7486 "capa.max_stations=%u\n"
7487 "capa.probe_resp_offloads=0x%x\n"
7488 "capa.max_acl_mac_addrs=%u\n"
7489 "capa.num_multichan_concurrent=%u\n"
7490 "capa.mac_addr_rand_sched_scan_supported=%d\n"
7491 "capa.mac_addr_rand_scan_supported=%d\n"
7492 "capa.conc_capab=%u\n"
7493 "capa.max_conc_chan_2_4=%u\n"
7494 "capa.max_conc_chan_5_0=%u\n",
7498 (unsigned long long) drv->capa.flags,
7499 drv->capa.rrm_flags,
7500 drv->capa.max_scan_ssids,
7501 drv->capa.max_sched_scan_ssids,
7502 drv->capa.sched_scan_supported,
7503 drv->capa.max_match_sets,
7504 drv->capa.max_remain_on_chan,
7505 drv->capa.max_stations,
7506 drv->capa.probe_resp_offloads,
7507 drv->capa.max_acl_mac_addrs,
7508 drv->capa.num_multichan_concurrent,
7509 drv->capa.mac_addr_rand_sched_scan_supported,
7510 drv->capa.mac_addr_rand_scan_supported,
7511 drv->capa.conc_capab,
7512 drv->capa.max_conc_chan_2_4,
7513 drv->capa.max_conc_chan_5_0);
7514 if (os_snprintf_error(end - pos, res))
7523 static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
7525 if ((settings->head &&
7526 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
7527 settings->head_len, settings->head)) ||
7529 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
7530 settings->tail_len, settings->tail)) ||
7531 (settings->beacon_ies &&
7532 nla_put(msg, NL80211_ATTR_IE,
7533 settings->beacon_ies_len, settings->beacon_ies)) ||
7534 (settings->proberesp_ies &&
7535 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
7536 settings->proberesp_ies_len, settings->proberesp_ies)) ||
7537 (settings->assocresp_ies &&
7538 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
7539 settings->assocresp_ies_len, settings->assocresp_ies)) ||
7540 (settings->probe_resp &&
7541 nla_put(msg, NL80211_ATTR_PROBE_RESP,
7542 settings->probe_resp_len, settings->probe_resp)))
7549 static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
7552 struct i802_bss *bss = priv;
7553 struct wpa_driver_nl80211_data *drv = bss->drv;
7554 struct nlattr *beacon_csa;
7557 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
7558 settings->cs_count, settings->block_tx,
7559 settings->freq_params.freq, settings->freq_params.bandwidth,
7560 settings->freq_params.center_freq1,
7561 settings->freq_params.center_freq2);
7563 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
7564 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
7568 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
7569 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
7572 /* check settings validity */
7573 if (!settings->beacon_csa.tail ||
7574 ((settings->beacon_csa.tail_len <=
7575 settings->counter_offset_beacon) ||
7576 (settings->beacon_csa.tail[settings->counter_offset_beacon] !=
7577 settings->cs_count)))
7580 if (settings->beacon_csa.probe_resp &&
7581 ((settings->beacon_csa.probe_resp_len <=
7582 settings->counter_offset_presp) ||
7583 (settings->beacon_csa.probe_resp[settings->counter_offset_presp] !=
7584 settings->cs_count)))
7587 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
7588 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
7589 settings->cs_count) ||
7590 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
7591 (settings->block_tx &&
7592 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
7595 /* beacon_after params */
7596 ret = set_beacon_data(msg, &settings->beacon_after);
7600 /* beacon_csa params */
7601 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
7605 ret = set_beacon_data(msg, &settings->beacon_csa);
7609 if (nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
7610 settings->counter_offset_beacon) ||
7611 (settings->beacon_csa.probe_resp &&
7612 nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
7613 settings->counter_offset_presp)))
7616 nla_nest_end(msg, beacon_csa);
7617 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7619 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
7620 ret, strerror(-ret));
7628 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
7633 static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
7634 u8 user_priority, u16 admitted_time)
7636 struct i802_bss *bss = priv;
7637 struct wpa_driver_nl80211_data *drv = bss->drv;
7641 wpa_printf(MSG_DEBUG,
7642 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
7643 tsid, admitted_time, user_priority);
7645 if (!is_sta_interface(drv->nlmode))
7648 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
7650 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7651 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7652 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
7653 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
7658 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7660 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
7661 ret, strerror(-ret));
7666 static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
7668 struct i802_bss *bss = priv;
7669 struct wpa_driver_nl80211_data *drv = bss->drv;
7673 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
7675 if (!is_sta_interface(drv->nlmode))
7678 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
7679 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7680 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7685 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7687 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
7688 ret, strerror(-ret));
7693 #ifdef CONFIG_TESTING_OPTIONS
7694 static int cmd_reply_handler(struct nl_msg *msg, void *arg)
7696 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7697 struct wpabuf *buf = arg;
7702 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
7703 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
7707 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
7708 genlmsg_attrlen(gnlh, 0));
7712 #endif /* CONFIG_TESTING_OPTIONS */
7715 static int vendor_reply_handler(struct nl_msg *msg, void *arg)
7717 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7718 struct nlattr *nl_vendor_reply, *nl;
7719 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7720 struct wpabuf *buf = arg;
7726 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7727 genlmsg_attrlen(gnlh, 0), NULL);
7728 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
7730 if (!nl_vendor_reply)
7733 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
7734 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
7738 nla_for_each_nested(nl, nl_vendor_reply, rem) {
7739 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
7746 static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
7747 unsigned int subcmd, const u8 *data,
7748 size_t data_len, struct wpabuf *buf)
7750 struct i802_bss *bss = priv;
7751 struct wpa_driver_nl80211_data *drv = bss->drv;
7755 #ifdef CONFIG_TESTING_OPTIONS
7756 if (vendor_id == 0xffffffff) {
7757 msg = nlmsg_alloc();
7761 nl80211_cmd(drv, msg, 0, subcmd);
7762 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
7765 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
7767 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
7771 #endif /* CONFIG_TESTING_OPTIONS */
7773 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
7774 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
7775 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
7777 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
7780 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
7782 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
7792 static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
7795 struct i802_bss *bss = priv;
7796 struct wpa_driver_nl80211_data *drv = bss->drv;
7800 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
7801 qos_map_set, qos_map_set_len);
7803 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
7804 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
7809 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7811 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
7817 static int nl80211_set_wowlan(void *priv,
7818 const struct wowlan_triggers *triggers)
7820 struct i802_bss *bss = priv;
7821 struct wpa_driver_nl80211_data *drv = bss->drv;
7823 struct nlattr *wowlan_triggers;
7826 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
7828 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
7829 !(wowlan_triggers = nla_nest_start(msg,
7830 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
7832 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7833 (triggers->disconnect &&
7834 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7835 (triggers->magic_pkt &&
7836 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7837 (triggers->gtk_rekey_failure &&
7838 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7839 (triggers->eap_identity_req &&
7840 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7841 (triggers->four_way_handshake &&
7842 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7843 (triggers->rfkill_release &&
7844 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
7849 nla_nest_end(msg, wowlan_triggers);
7851 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7853 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
7859 static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
7861 struct i802_bss *bss = priv;
7862 struct wpa_driver_nl80211_data *drv = bss->drv;
7864 struct nlattr *params;
7866 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
7868 if (!drv->roaming_vendor_cmd_avail) {
7869 wpa_printf(MSG_DEBUG,
7870 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
7874 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
7875 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
7876 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
7877 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
7878 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
7879 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
7880 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
7881 QCA_ROAMING_NOT_ALLOWED) ||
7883 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
7887 nla_nest_end(msg, params);
7889 return send_and_recv_msgs(drv, msg, NULL, NULL);
7893 static int nl80211_set_mac_addr(void *priv, const u8 *addr)
7895 struct i802_bss *bss = priv;
7896 struct wpa_driver_nl80211_data *drv = bss->drv;
7897 int new_addr = addr != NULL;
7900 addr = drv->perm_addr;
7902 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
7905 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
7907 wpa_printf(MSG_DEBUG,
7908 "nl80211: failed to set_mac_addr for %s to " MACSTR,
7909 bss->ifname, MAC2STR(addr));
7910 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
7912 wpa_printf(MSG_DEBUG,
7913 "nl80211: Could not restore interface UP after failed set_mac_addr");
7918 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
7919 bss->ifname, MAC2STR(addr));
7920 drv->addr_changed = new_addr;
7921 os_memcpy(bss->addr, addr, ETH_ALEN);
7923 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
7925 wpa_printf(MSG_DEBUG,
7926 "nl80211: Could not restore interface UP after set_mac_addr");
7935 static int wpa_driver_nl80211_init_mesh(void *priv)
7937 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
7938 wpa_printf(MSG_INFO,
7939 "nl80211: Failed to set interface into mesh mode");
7946 static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
7950 wpa_hexdump_ascii(MSG_DEBUG, " * Mesh ID (SSID)",
7951 mesh_id, mesh_id_len);
7952 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
7959 static int nl80211_join_mesh(struct i802_bss *bss,
7960 struct wpa_driver_mesh_join_params *params)
7962 struct wpa_driver_nl80211_data *drv = bss->drv;
7964 struct nlattr *container;
7967 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
7968 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
7970 nl80211_put_freq_params(msg, ¶ms->freq) ||
7971 nl80211_put_basic_rates(msg, params->basic_rates) ||
7972 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
7973 nl80211_put_beacon_int(msg, params->beacon_int))
7976 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
7978 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
7983 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
7984 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
7988 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
7989 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
7990 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
7991 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
7994 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
7995 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
7997 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
7998 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
8000 nla_nest_end(msg, container);
8002 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
8006 if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
8007 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0))
8009 if ((params->conf.flags & WPA_DRIVER_MESH_FLAG_DRIVER_MPM) &&
8010 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
8011 params->max_peer_links))
8015 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
8016 * the timer could disconnect stations even in that case.
8018 if (nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
8019 params->conf.peer_link_timeout)) {
8020 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
8024 nla_nest_end(msg, container);
8026 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8029 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
8030 ret, strerror(-ret));
8034 bss->freq = params->freq.freq;
8035 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
8044 wpa_driver_nl80211_join_mesh(void *priv,
8045 struct wpa_driver_mesh_join_params *params)
8047 struct i802_bss *bss = priv;
8050 timeout = params->conf.peer_link_timeout;
8052 /* Disable kernel inactivity timer */
8053 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
8054 params->conf.peer_link_timeout = 0;
8056 ret = nl80211_join_mesh(bss, params);
8057 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
8058 wpa_printf(MSG_DEBUG,
8059 "nl80211: Mesh join retry for peer_link_timeout");
8061 * Old kernel does not support setting
8062 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
8063 * into future from peer_link_timeout.
8065 params->conf.peer_link_timeout = timeout + 60;
8066 ret = nl80211_join_mesh(priv, params);
8069 params->conf.peer_link_timeout = timeout;
8074 static int wpa_driver_nl80211_leave_mesh(void *priv)
8076 struct i802_bss *bss = priv;
8077 struct wpa_driver_nl80211_data *drv = bss->drv;
8081 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
8082 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
8083 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8085 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
8086 ret, strerror(-ret));
8088 wpa_printf(MSG_DEBUG,
8089 "nl80211: mesh leave request send successfully");
8092 if (wpa_driver_nl80211_set_mode(drv->first_bss,
8093 NL80211_IFTYPE_STATION)) {
8094 wpa_printf(MSG_INFO,
8095 "nl80211: Failed to set interface into station mode");
8100 #endif /* CONFIG_MESH */
8103 static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
8104 const u8 *ipaddr, int prefixlen,
8107 #ifdef CONFIG_LIBNL3_ROUTE
8108 struct i802_bss *bss = priv;
8109 struct wpa_driver_nl80211_data *drv = bss->drv;
8110 struct rtnl_neigh *rn;
8111 struct nl_addr *nl_ipaddr = NULL;
8112 struct nl_addr *nl_lladdr = NULL;
8113 int family, addrsize;
8116 if (!ipaddr || prefixlen == 0 || !addr)
8119 if (bss->br_ifindex == 0) {
8120 wpa_printf(MSG_DEBUG,
8121 "nl80211: bridge must be set before adding an ip neigh to it");
8125 if (!drv->rtnl_sk) {
8126 wpa_printf(MSG_DEBUG,
8127 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8134 } else if (version == 6) {
8141 rn = rtnl_neigh_alloc();
8145 /* set the destination ip address for neigh */
8146 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
8147 if (nl_ipaddr == NULL) {
8148 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8152 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
8153 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8155 wpa_printf(MSG_DEBUG,
8156 "nl80211: neigh set destination addr failed");
8160 /* set the corresponding lladdr for neigh */
8161 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
8162 if (nl_lladdr == NULL) {
8163 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
8167 rtnl_neigh_set_lladdr(rn, nl_lladdr);
8169 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8170 rtnl_neigh_set_state(rn, NUD_PERMANENT);
8172 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
8174 wpa_printf(MSG_DEBUG,
8175 "nl80211: Adding bridge ip neigh failed: %s",
8180 nl_addr_put(nl_lladdr);
8182 nl_addr_put(nl_ipaddr);
8186 #else /* CONFIG_LIBNL3_ROUTE */
8188 #endif /* CONFIG_LIBNL3_ROUTE */
8192 static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
8195 #ifdef CONFIG_LIBNL3_ROUTE
8196 struct i802_bss *bss = priv;
8197 struct wpa_driver_nl80211_data *drv = bss->drv;
8198 struct rtnl_neigh *rn;
8199 struct nl_addr *nl_ipaddr;
8200 int family, addrsize;
8209 } else if (version == 6) {
8216 if (bss->br_ifindex == 0) {
8217 wpa_printf(MSG_DEBUG,
8218 "nl80211: bridge must be set to delete an ip neigh");
8222 if (!drv->rtnl_sk) {
8223 wpa_printf(MSG_DEBUG,
8224 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8228 rn = rtnl_neigh_alloc();
8232 /* set the destination ip address for neigh */
8233 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
8234 if (nl_ipaddr == NULL) {
8235 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8239 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8241 wpa_printf(MSG_DEBUG,
8242 "nl80211: neigh set destination addr failed");
8246 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8248 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
8250 wpa_printf(MSG_DEBUG,
8251 "nl80211: Deleting bridge ip neigh failed: %s",
8256 nl_addr_put(nl_ipaddr);
8260 #else /* CONFIG_LIBNL3_ROUTE */
8262 #endif /* CONFIG_LIBNL3_ROUTE */
8266 static int linux_write_system_file(const char *path, unsigned int val)
8271 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
8272 if (os_snprintf_error(sizeof(buf), len))
8275 fd = open(path, O_WRONLY);
8279 if (write(fd, buf, len) < 0) {
8280 wpa_printf(MSG_DEBUG,
8281 "nl80211: Failed to write Linux system file: %s with the value of %d",
8292 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
8295 case DRV_BR_PORT_ATTR_PROXYARP:
8296 return "proxyarp_wifi";
8297 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
8298 return "hairpin_mode";
8305 static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
8308 struct i802_bss *bss = priv;
8310 const char *attr_txt;
8312 attr_txt = drv_br_port_attr_str(attr);
8313 if (attr_txt == NULL)
8316 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
8317 bss->ifname, attr_txt);
8319 if (linux_write_system_file(path, val))
8326 static const char * drv_br_net_param_str(enum drv_br_net_param param)
8329 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8330 return "arp_accept";
8337 static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
8340 struct i802_bss *bss = priv;
8342 const char *param_txt;
8345 if (param == DRV_BR_MULTICAST_SNOOPING) {
8346 os_snprintf(path, sizeof(path),
8347 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
8352 param_txt = drv_br_net_param_str(param);
8353 if (param_txt == NULL)
8357 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8364 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
8365 ip_version, bss->brname, param_txt);
8368 if (linux_write_system_file(path, val))
8375 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
8378 case HOSTAPD_MODE_IEEE80211B:
8379 return QCA_ACS_MODE_IEEE80211B;
8380 case HOSTAPD_MODE_IEEE80211G:
8381 return QCA_ACS_MODE_IEEE80211G;
8382 case HOSTAPD_MODE_IEEE80211A:
8383 return QCA_ACS_MODE_IEEE80211A;
8384 case HOSTAPD_MODE_IEEE80211AD:
8385 return QCA_ACS_MODE_IEEE80211AD;
8386 case HOSTAPD_MODE_IEEE80211ANY:
8387 return QCA_ACS_MODE_IEEE80211ANY;
8394 static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
8401 len = int_array_len(freq_list);
8402 freqs = os_malloc(sizeof(u32) * len);
8405 for (i = 0; i < len; i++)
8406 freqs[i] = freq_list[i];
8407 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
8408 sizeof(u32) * len, freqs);
8414 static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
8416 struct i802_bss *bss = priv;
8417 struct wpa_driver_nl80211_data *drv = bss->drv;
8419 struct nlattr *data;
8423 mode = hw_mode_to_qca_acs(params->hw_mode);
8427 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8428 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8429 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8430 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
8431 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8432 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
8433 (params->ht_enabled &&
8434 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
8435 (params->ht40_enabled &&
8436 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
8437 (params->vht_enabled &&
8438 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
8439 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
8440 params->ch_width) ||
8441 (params->ch_list_len &&
8442 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST, params->ch_list_len,
8443 params->ch_list)) ||
8444 add_acs_freq_list(msg, params->freq_list)) {
8448 nla_nest_end(msg, data);
8450 wpa_printf(MSG_DEBUG,
8451 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
8452 params->hw_mode, params->ht_enabled, params->ht40_enabled,
8453 params->vht_enabled, params->ch_width, params->ch_list_len);
8455 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8457 wpa_printf(MSG_DEBUG,
8458 "nl80211: Failed to invoke driver ACS function: %s",
8465 static int nl80211_set_band(void *priv, enum set_band band)
8467 struct i802_bss *bss = priv;
8468 struct wpa_driver_nl80211_data *drv = bss->drv;
8470 struct nlattr *data;
8472 enum qca_set_band qca_band;
8474 if (!drv->setband_vendor_cmd_avail)
8478 case WPA_SETBAND_AUTO:
8479 qca_band = QCA_SETBAND_AUTO;
8481 case WPA_SETBAND_5G:
8482 qca_band = QCA_SETBAND_5G;
8484 case WPA_SETBAND_2G:
8485 qca_band = QCA_SETBAND_2G;
8491 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8492 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8493 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8494 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
8495 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8496 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE, qca_band)) {
8500 nla_nest_end(msg, data);
8502 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8504 wpa_printf(MSG_DEBUG,
8505 "nl80211: Driver setband function failed: %s",
8512 static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
8514 struct i802_bss *bss = priv;
8515 struct wpa_driver_nl80211_data *drv = bss->drv;
8518 struct nlattr *params;
8520 if (!drv->set_prob_oper_freq)
8523 wpa_printf(MSG_DEBUG,
8524 "nl80211: Set P2P probable operating freq %u for ifindex %d",
8525 freq, bss->ifindex);
8527 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8528 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8529 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8530 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
8531 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8533 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
8534 QCA_IFACE_TYPE_P2P_CLIENT) ||
8536 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
8538 wpa_printf(MSG_ERROR,
8539 "%s: err in adding vendor_cmd and vendor_data",
8544 nla_nest_end(msg, params);
8546 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8549 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
8558 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
8560 .desc = "Linux nl80211/cfg80211",
8561 .get_bssid = wpa_driver_nl80211_get_bssid,
8562 .get_ssid = wpa_driver_nl80211_get_ssid,
8563 .set_key = driver_nl80211_set_key,
8564 .scan2 = driver_nl80211_scan2,
8565 .sched_scan = wpa_driver_nl80211_sched_scan,
8566 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
8567 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
8568 .deauthenticate = driver_nl80211_deauthenticate,
8569 .authenticate = driver_nl80211_authenticate,
8570 .associate = wpa_driver_nl80211_associate,
8571 .global_init = nl80211_global_init,
8572 .global_deinit = nl80211_global_deinit,
8573 .init2 = wpa_driver_nl80211_init,
8574 .deinit = driver_nl80211_deinit,
8575 .get_capa = wpa_driver_nl80211_get_capa,
8576 .set_operstate = wpa_driver_nl80211_set_operstate,
8577 .set_supp_port = wpa_driver_nl80211_set_supp_port,
8578 .set_country = wpa_driver_nl80211_set_country,
8579 .get_country = wpa_driver_nl80211_get_country,
8580 .set_ap = wpa_driver_nl80211_set_ap,
8581 .set_acl = wpa_driver_nl80211_set_acl,
8582 .if_add = wpa_driver_nl80211_if_add,
8583 .if_remove = driver_nl80211_if_remove,
8584 .send_mlme = driver_nl80211_send_mlme,
8585 .get_hw_feature_data = nl80211_get_hw_feature_data,
8586 .sta_add = wpa_driver_nl80211_sta_add,
8587 .sta_remove = driver_nl80211_sta_remove,
8588 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
8589 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
8590 .hapd_init = i802_init,
8591 .hapd_deinit = i802_deinit,
8592 .set_wds_sta = i802_set_wds_sta,
8593 .get_seqnum = i802_get_seqnum,
8594 .flush = i802_flush,
8595 .get_inact_sec = i802_get_inact_sec,
8596 .sta_clear_stats = i802_sta_clear_stats,
8597 .set_rts = i802_set_rts,
8598 .set_frag = i802_set_frag,
8599 .set_tx_queue_params = i802_set_tx_queue_params,
8600 .set_sta_vlan = driver_nl80211_set_sta_vlan,
8601 .sta_deauth = i802_sta_deauth,
8602 .sta_disassoc = i802_sta_disassoc,
8603 .read_sta_data = driver_nl80211_read_sta_data,
8604 .set_freq = i802_set_freq,
8605 .send_action = driver_nl80211_send_action,
8606 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
8607 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
8608 .cancel_remain_on_channel =
8609 wpa_driver_nl80211_cancel_remain_on_channel,
8610 .probe_req_report = driver_nl80211_probe_req_report,
8611 .deinit_ap = wpa_driver_nl80211_deinit_ap,
8612 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
8613 .resume = wpa_driver_nl80211_resume,
8614 .signal_monitor = nl80211_signal_monitor,
8615 .signal_poll = nl80211_signal_poll,
8616 .send_frame = nl80211_send_frame,
8617 .set_param = nl80211_set_param,
8618 .get_radio_name = nl80211_get_radio_name,
8619 .add_pmkid = nl80211_add_pmkid,
8620 .remove_pmkid = nl80211_remove_pmkid,
8621 .flush_pmkid = nl80211_flush_pmkid,
8622 .set_rekey_info = nl80211_set_rekey_info,
8623 .poll_client = nl80211_poll_client,
8624 .set_p2p_powersave = nl80211_set_p2p_powersave,
8625 .start_dfs_cac = nl80211_start_radar_detection,
8626 .stop_ap = wpa_driver_nl80211_stop_ap,
8628 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
8629 .tdls_oper = nl80211_tdls_oper,
8630 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
8631 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
8632 #endif /* CONFIG_TDLS */
8633 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
8634 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
8635 .get_survey = wpa_driver_nl80211_get_survey,
8636 .status = wpa_driver_nl80211_status,
8637 .switch_channel = nl80211_switch_channel,
8639 .set_noa = wpa_driver_set_p2p_noa,
8640 .get_noa = wpa_driver_get_p2p_noa,
8641 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
8642 #endif /* ANDROID_P2P */
8644 #ifndef ANDROID_LIB_STUB
8645 .driver_cmd = wpa_driver_nl80211_driver_cmd,
8646 #endif /* !ANDROID_LIB_STUB */
8647 #endif /* ANDROID */
8648 .vendor_cmd = nl80211_vendor_cmd,
8649 .set_qos_map = nl80211_set_qos_map,
8650 .set_wowlan = nl80211_set_wowlan,
8651 .roaming = nl80211_roaming,
8652 .set_mac_addr = nl80211_set_mac_addr,
8654 .init_mesh = wpa_driver_nl80211_init_mesh,
8655 .join_mesh = wpa_driver_nl80211_join_mesh,
8656 .leave_mesh = wpa_driver_nl80211_leave_mesh,
8657 #endif /* CONFIG_MESH */
8658 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
8659 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
8660 .br_port_set_attr = wpa_driver_br_port_set_attr,
8661 .br_set_net_param = wpa_driver_br_set_net_param,
8662 .add_tx_ts = nl80211_add_ts,
8663 .del_tx_ts = nl80211_del_ts,
8664 .do_acs = wpa_driver_do_acs,
8665 .set_band = nl80211_set_band,
8666 .set_prob_oper_freq = nl80211_set_prob_oper_freq,