2 * Driver interaction with Linux nl80211/cfg80211
3 * Copyright (c) 2002-2014, 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)
90 #define genl_ctrl_resolve android_genl_ctrl_resolve
94 static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg)
96 struct nl_handle *handle;
98 handle = nl80211_handle_alloc(cb);
100 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
101 "callbacks (%s)", dbg);
105 if (genl_connect(handle)) {
106 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
107 "netlink (%s)", dbg);
108 nl80211_handle_destroy(handle);
116 static void nl_destroy_handles(struct nl_handle **handle)
120 nl80211_handle_destroy(*handle);
126 #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
128 #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
131 static void nl80211_register_eloop_read(struct nl_handle **handle,
132 eloop_sock_handler handler,
135 nl_socket_set_nonblocking(*handle);
136 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
137 eloop_data, *handle);
138 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
142 static void nl80211_destroy_eloop_handle(struct nl_handle **handle)
144 *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID);
145 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
146 nl_destroy_handles(handle);
150 static void nl80211_global_deinit(void *priv);
152 static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
153 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
154 struct hostapd_freq_params *freq);
157 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
158 const u8 *set_addr, int first,
159 const char *driver_params);
160 static int nl80211_send_frame_cmd(struct i802_bss *bss,
161 unsigned int freq, unsigned int wait,
162 const u8 *buf, size_t buf_len, u64 *cookie,
163 int no_cck, int no_ack, int offchanok);
164 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
167 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
168 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
169 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
171 static int nl80211_set_channel(struct i802_bss *bss,
172 struct hostapd_freq_params *freq, int set_chan);
173 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
174 int ifindex, int disabled);
176 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
179 static int i802_set_iface_flags(struct i802_bss *bss, int up);
180 static int nl80211_set_param(void *priv, const char *param);
183 /* Converts nl80211_chan_width to a common format */
184 enum chan_width convert2width(int width)
187 case NL80211_CHAN_WIDTH_20_NOHT:
188 return CHAN_WIDTH_20_NOHT;
189 case NL80211_CHAN_WIDTH_20:
190 return CHAN_WIDTH_20;
191 case NL80211_CHAN_WIDTH_40:
192 return CHAN_WIDTH_40;
193 case NL80211_CHAN_WIDTH_80:
194 return CHAN_WIDTH_80;
195 case NL80211_CHAN_WIDTH_80P80:
196 return CHAN_WIDTH_80P80;
197 case NL80211_CHAN_WIDTH_160:
198 return CHAN_WIDTH_160;
200 return CHAN_WIDTH_UNKNOWN;
204 int is_ap_interface(enum nl80211_iftype nlmode)
206 return nlmode == NL80211_IFTYPE_AP ||
207 nlmode == NL80211_IFTYPE_P2P_GO;
211 int is_sta_interface(enum nl80211_iftype nlmode)
213 return nlmode == NL80211_IFTYPE_STATION ||
214 nlmode == NL80211_IFTYPE_P2P_CLIENT;
218 static int is_p2p_net_interface(enum nl80211_iftype nlmode)
220 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
221 nlmode == NL80211_IFTYPE_P2P_GO;
225 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
228 struct i802_bss *bss;
230 for (bss = drv->first_bss; bss; bss = bss->next) {
231 if (bss->ifindex == ifindex)
239 static int is_mesh_interface(enum nl80211_iftype nlmode)
241 return nlmode == NL80211_IFTYPE_MESH_POINT;
245 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
248 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
250 os_memset(drv->bssid, 0, ETH_ALEN);
255 static int ack_handler(struct nl_msg *msg, void *arg)
262 static int finish_handler(struct nl_msg *msg, void *arg)
269 static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
278 static int no_seq_check(struct nl_msg *msg, void *arg)
284 static void nl80211_nlmsg_clear(struct nl_msg *msg)
287 * Clear nlmsg data, e.g., to make sure key material is not left in
288 * heap memory for unnecessarily long time.
291 struct nlmsghdr *hdr = nlmsg_hdr(msg);
292 void *data = nlmsg_data(hdr);
293 int len = nlmsg_datalen(hdr);
295 os_memset(data, 0, len);
300 static int send_and_recv(struct nl80211_global *global,
301 struct nl_handle *nl_handle, struct nl_msg *msg,
302 int (*valid_handler)(struct nl_msg *, void *),
311 cb = nl_cb_clone(global->nl_cb);
315 err = nl_send_auto_complete(nl_handle, msg);
321 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
322 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
323 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
326 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
327 valid_handler, valid_data);
330 int res = nl_recvmsgs(nl_handle, cb);
333 "nl80211: %s->nl_recvmsgs failed: %d",
339 if (!valid_handler && valid_data == (void *) -1)
340 nl80211_nlmsg_clear(msg);
346 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
348 int (*valid_handler)(struct nl_msg *, void *),
351 return send_and_recv(drv->global, drv->global->nl, msg,
352 valid_handler, valid_data);
362 static int family_handler(struct nl_msg *msg, void *arg)
364 struct family_data *res = arg;
365 struct nlattr *tb[CTRL_ATTR_MAX + 1];
366 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
367 struct nlattr *mcgrp;
370 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
371 genlmsg_attrlen(gnlh, 0), NULL);
372 if (!tb[CTRL_ATTR_MCAST_GROUPS])
375 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
376 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
377 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
378 nla_len(mcgrp), NULL);
379 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
380 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
381 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
383 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
385 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
393 static int nl_get_multicast_id(struct nl80211_global *global,
394 const char *family, const char *group)
398 struct family_data res = { group, -ENOENT };
403 if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"),
404 0, 0, CTRL_CMD_GETFAMILY, 0) ||
405 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
410 ret = send_and_recv(global, global->nl, msg, family_handler, &res);
417 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
418 struct nl_msg *msg, int flags, uint8_t cmd)
420 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
425 static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
427 if (bss->wdev_id_set)
428 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
429 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
433 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
441 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
442 nl80211_set_iface_id(msg, bss) < 0) {
451 static struct nl_msg *
452 nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
453 int flags, uint8_t cmd)
461 if (!nl80211_cmd(drv, msg, flags, cmd) ||
462 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
471 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
474 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
478 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
480 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
484 struct wiphy_idx_data {
486 enum nl80211_iftype nlmode;
491 static int netdev_info_handler(struct nl_msg *msg, void *arg)
493 struct nlattr *tb[NL80211_ATTR_MAX + 1];
494 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
495 struct wiphy_idx_data *info = arg;
497 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
498 genlmsg_attrlen(gnlh, 0), NULL);
500 if (tb[NL80211_ATTR_WIPHY])
501 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
503 if (tb[NL80211_ATTR_IFTYPE])
504 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
506 if (tb[NL80211_ATTR_MAC] && info->macaddr)
507 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
514 int nl80211_get_wiphy_index(struct i802_bss *bss)
517 struct wiphy_idx_data data = {
522 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
525 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
526 return data.wiphy_idx;
531 static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
534 struct wiphy_idx_data data = {
535 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
539 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
540 return NL80211_IFTYPE_UNSPECIFIED;
542 if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
544 return NL80211_IFTYPE_UNSPECIFIED;
548 static int nl80211_get_macaddr(struct i802_bss *bss)
551 struct wiphy_idx_data data = {
552 .macaddr = bss->addr,
555 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
558 return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
562 static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
563 struct nl80211_wiphy_data *w)
572 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
573 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
578 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
580 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
581 "failed: ret=%d (%s)",
582 ret, strerror(-ret));
588 static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
590 struct nl80211_wiphy_data *w = eloop_ctx;
593 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
595 res = nl_recvmsgs(handle, w->nl_cb);
597 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
603 static int process_beacon_event(struct nl_msg *msg, void *arg)
605 struct nl80211_wiphy_data *w = arg;
606 struct wpa_driver_nl80211_data *drv;
607 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
608 struct nlattr *tb[NL80211_ATTR_MAX + 1];
609 union wpa_event_data event;
611 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
612 genlmsg_attrlen(gnlh, 0), NULL);
614 if (gnlh->cmd != NL80211_CMD_FRAME) {
615 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
620 if (!tb[NL80211_ATTR_FRAME])
623 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
625 os_memset(&event, 0, sizeof(event));
626 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
627 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
628 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
635 static struct nl80211_wiphy_data *
636 nl80211_get_wiphy_data_ap(struct i802_bss *bss)
638 static DEFINE_DL_LIST(nl80211_wiphys);
639 struct nl80211_wiphy_data *w;
640 int wiphy_idx, found = 0;
641 struct i802_bss *tmp_bss;
643 if (bss->wiphy_data != NULL)
644 return bss->wiphy_data;
646 wiphy_idx = nl80211_get_wiphy_index(bss);
648 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
649 if (w->wiphy_idx == wiphy_idx)
654 w = os_zalloc(sizeof(*w));
657 w->wiphy_idx = wiphy_idx;
658 dl_list_init(&w->bsss);
659 dl_list_init(&w->drvs);
661 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
666 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
667 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event,
670 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
672 if (w->nl_beacons == NULL) {
677 if (nl80211_register_beacons(bss->drv, w)) {
678 nl_destroy_handles(&w->nl_beacons);
683 nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w);
685 dl_list_add(&nl80211_wiphys, &w->list);
688 /* drv entry for this bss already there? */
689 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
690 if (tmp_bss->drv == bss->drv) {
697 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
699 dl_list_add(&w->bsss, &bss->wiphy_list);
705 static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
707 struct nl80211_wiphy_data *w = bss->wiphy_data;
708 struct i802_bss *tmp_bss;
713 bss->wiphy_data = NULL;
714 dl_list_del(&bss->wiphy_list);
716 /* still any for this drv present? */
717 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
718 if (tmp_bss->drv == bss->drv) {
723 /* if not remove it */
725 dl_list_del(&bss->drv->wiphy_list);
727 if (!dl_list_empty(&w->bsss))
730 nl80211_destroy_eloop_handle(&w->nl_beacons);
733 dl_list_del(&w->list);
738 static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
740 struct i802_bss *bss = priv;
741 struct wpa_driver_nl80211_data *drv = bss->drv;
742 if (!drv->associated)
744 os_memcpy(bssid, drv->bssid, ETH_ALEN);
749 static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
751 struct i802_bss *bss = priv;
752 struct wpa_driver_nl80211_data *drv = bss->drv;
753 if (!drv->associated)
755 os_memcpy(ssid, drv->ssid, drv->ssid_len);
756 return drv->ssid_len;
760 static void wpa_driver_nl80211_event_newlink(
761 struct wpa_driver_nl80211_data *drv, const char *ifname)
763 union wpa_event_data event;
765 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
766 if (if_nametoindex(drv->first_bss->ifname) == 0) {
767 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
768 drv->first_bss->ifname);
771 if (!drv->if_removed)
773 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
774 drv->first_bss->ifname);
778 os_memset(&event, 0, sizeof(event));
779 os_strlcpy(event.interface_status.ifname, ifname,
780 sizeof(event.interface_status.ifname));
781 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
782 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
786 static void wpa_driver_nl80211_event_dellink(
787 struct wpa_driver_nl80211_data *drv, const char *ifname)
789 union wpa_event_data event;
791 if (os_strcmp(drv->first_bss->ifname, ifname) == 0) {
792 if (drv->if_removed) {
793 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
797 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
801 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
805 os_memset(&event, 0, sizeof(event));
806 os_strlcpy(event.interface_status.ifname, ifname,
807 sizeof(event.interface_status.ifname));
808 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
809 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
813 static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
816 int attrlen, rta_len;
820 attr = (struct rtattr *) buf;
822 rta_len = RTA_ALIGN(sizeof(struct rtattr));
823 while (RTA_OK(attr, attrlen)) {
824 if (attr->rta_type == IFLA_IFNAME) {
825 if (os_strcmp(((char *) attr) + rta_len,
826 drv->first_bss->ifname) == 0)
831 attr = RTA_NEXT(attr, attrlen);
838 static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
839 int ifindex, u8 *buf, size_t len)
841 if (drv->ifindex == ifindex)
844 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
845 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
847 wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL);
855 static struct wpa_driver_nl80211_data *
856 nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len)
858 struct wpa_driver_nl80211_data *drv;
859 dl_list_for_each(drv, &global->interfaces,
860 struct wpa_driver_nl80211_data, list) {
861 if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) ||
862 have_ifidx(drv, idx))
869 static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
870 struct ifinfomsg *ifi,
873 struct nl80211_global *global = ctx;
874 struct wpa_driver_nl80211_data *drv;
878 char namebuf[IFNAMSIZ];
879 char ifname[IFNAMSIZ + 1];
880 char extra[100], *pos, *end;
882 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
884 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d",
891 end = pos + sizeof(extra);
895 attr = (struct rtattr *) buf;
896 while (RTA_OK(attr, attrlen)) {
897 switch (attr->rta_type) {
899 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
901 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
902 ifname[RTA_PAYLOAD(attr)] = '\0';
905 brid = nla_get_u32((struct nlattr *) attr);
906 pos += os_snprintf(pos, end - pos, " master=%u", brid);
909 pos += os_snprintf(pos, end - pos, " wext");
912 pos += os_snprintf(pos, end - pos, " operstate=%u",
913 nla_get_u32((struct nlattr *) attr));
916 pos += os_snprintf(pos, end - pos, " linkmode=%u",
917 nla_get_u32((struct nlattr *) attr));
920 attr = RTA_NEXT(attr, attrlen);
922 extra[sizeof(extra) - 1] = '\0';
924 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
925 ifi->ifi_index, ifname, extra, ifi->ifi_family,
927 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
928 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
929 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
930 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
932 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
933 if (if_indextoname(ifi->ifi_index, namebuf) &&
934 linux_iface_up(drv->global->ioctl_sock,
935 drv->first_bss->ifname) > 0) {
936 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
937 "event since interface %s is up", namebuf);
938 drv->ignore_if_down_event = 0;
941 wpa_printf(MSG_DEBUG, "nl80211: Interface down");
942 if (drv->ignore_if_down_event) {
943 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
944 "event generated by mode change");
945 drv->ignore_if_down_event = 0;
947 drv->if_disabled = 1;
948 wpa_supplicant_event(drv->ctx,
949 EVENT_INTERFACE_DISABLED, NULL);
952 * Try to get drv again, since it may be removed as
953 * part of the EVENT_INTERFACE_DISABLED handling for
956 drv = nl80211_find_drv(global, ifi->ifi_index,
963 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
964 if (if_indextoname(ifi->ifi_index, namebuf) &&
965 linux_iface_up(drv->global->ioctl_sock,
966 drv->first_bss->ifname) == 0) {
967 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
968 "event since interface %s is down",
970 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
971 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
972 "event since interface %s does not exist",
973 drv->first_bss->ifname);
974 } else if (drv->if_removed) {
975 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
976 "event since interface %s is marked "
977 "removed", drv->first_bss->ifname);
979 struct i802_bss *bss;
982 /* Re-read MAC address as it may have changed */
983 bss = get_bss_ifindex(drv, ifi->ifi_index);
985 linux_get_ifhwaddr(drv->global->ioctl_sock,
986 bss->ifname, addr) < 0) {
987 wpa_printf(MSG_DEBUG,
988 "nl80211: %s: failed to re-read MAC address",
991 os_memcmp(addr, bss->addr, ETH_ALEN) != 0) {
992 wpa_printf(MSG_DEBUG,
993 "nl80211: Own MAC address on ifindex %d (%s) changed from "
994 MACSTR " to " MACSTR,
995 ifi->ifi_index, bss->ifname,
998 os_memcpy(bss->addr, addr, ETH_ALEN);
1001 wpa_printf(MSG_DEBUG, "nl80211: Interface up");
1002 drv->if_disabled = 0;
1003 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1009 * Some drivers send the association event before the operup event--in
1010 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1011 * fails. This will hit us when wpa_supplicant does not need to do
1012 * IEEE 802.1X authentication
1014 if (drv->operstate == 1 &&
1015 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1016 !(ifi->ifi_flags & IFF_RUNNING)) {
1017 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1018 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
1023 wpa_driver_nl80211_event_newlink(drv, ifname);
1025 if (ifi->ifi_family == AF_BRIDGE && brid) {
1026 struct i802_bss *bss;
1028 /* device has been added to bridge */
1029 if (!if_indextoname(brid, namebuf)) {
1030 wpa_printf(MSG_DEBUG,
1031 "nl80211: Could not find bridge ifname for ifindex %u",
1035 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1037 add_ifidx(drv, brid);
1039 for (bss = drv->first_bss; bss; bss = bss->next) {
1040 if (os_strcmp(ifname, bss->ifname) == 0) {
1041 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1049 static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1050 struct ifinfomsg *ifi,
1051 u8 *buf, size_t len)
1053 struct nl80211_global *global = ctx;
1054 struct wpa_driver_nl80211_data *drv;
1056 struct rtattr *attr;
1058 char ifname[IFNAMSIZ + 1];
1059 char extra[100], *pos, *end;
1061 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len);
1063 wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d",
1070 end = pos + sizeof(extra);
1074 attr = (struct rtattr *) buf;
1075 while (RTA_OK(attr, attrlen)) {
1076 switch (attr->rta_type) {
1078 if (RTA_PAYLOAD(attr) >= IFNAMSIZ)
1080 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1081 ifname[RTA_PAYLOAD(attr)] = '\0';
1084 brid = nla_get_u32((struct nlattr *) attr);
1085 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1087 case IFLA_OPERSTATE:
1088 pos += os_snprintf(pos, end - pos, " operstate=%u",
1089 nla_get_u32((struct nlattr *) attr));
1092 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1093 nla_get_u32((struct nlattr *) attr));
1096 attr = RTA_NEXT(attr, attrlen);
1098 extra[sizeof(extra) - 1] = '\0';
1100 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1101 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1103 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1104 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1105 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1106 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1108 if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid))
1109 wpa_driver_nl80211_event_dellink(drv, ifname);
1111 if (ifi->ifi_family == AF_BRIDGE && brid) {
1112 /* device has been removed from bridge */
1113 char namebuf[IFNAMSIZ];
1115 if (!if_indextoname(brid, namebuf)) {
1116 wpa_printf(MSG_DEBUG,
1117 "nl80211: Could not find bridge ifname for ifindex %u",
1120 wpa_printf(MSG_DEBUG,
1121 "nl80211: Remove ifindex %u for bridge %s",
1124 del_ifidx(drv, brid);
1129 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1133 struct nl80211_bss_info_arg arg;
1135 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1136 os_memset(&arg, 0, sizeof(arg));
1138 ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
1140 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1141 arg.ibss_freq : arg.assoc_freq;
1142 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1143 "associated BSS from scan results: %u MHz", freq);
1145 drv->assoc_freq = freq;
1146 return drv->assoc_freq;
1148 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1149 "(%s)", ret, strerror(-ret));
1150 return drv->assoc_freq;
1154 static int get_link_signal(struct nl_msg *msg, void *arg)
1156 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1157 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1158 struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
1159 static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
1160 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
1161 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
1163 struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
1164 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
1165 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
1166 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
1167 [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
1168 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
1170 struct wpa_signal_info *sig_change = arg;
1172 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1173 genlmsg_attrlen(gnlh, 0), NULL);
1174 if (!tb[NL80211_ATTR_STA_INFO] ||
1175 nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
1176 tb[NL80211_ATTR_STA_INFO], policy))
1178 if (!sinfo[NL80211_STA_INFO_SIGNAL])
1181 sig_change->current_signal =
1182 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
1184 if (sinfo[NL80211_STA_INFO_SIGNAL_AVG])
1185 sig_change->avg_signal =
1186 (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]);
1188 sig_change->avg_signal = 0;
1190 if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
1191 if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
1192 sinfo[NL80211_STA_INFO_TX_BITRATE],
1194 sig_change->current_txrate = 0;
1196 if (rinfo[NL80211_RATE_INFO_BITRATE]) {
1197 sig_change->current_txrate =
1199 NL80211_RATE_INFO_BITRATE]) * 100;
1208 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
1209 struct wpa_signal_info *sig)
1213 sig->current_signal = -9999;
1214 sig->current_txrate = 0;
1216 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
1217 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) {
1222 return send_and_recv_msgs(drv, msg, get_link_signal, sig);
1226 static int get_link_noise(struct nl_msg *msg, void *arg)
1228 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1229 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1230 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1231 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1232 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1233 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1235 struct wpa_signal_info *sig_change = arg;
1237 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1238 genlmsg_attrlen(gnlh, 0), NULL);
1240 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1241 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1245 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1246 tb[NL80211_ATTR_SURVEY_INFO],
1248 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1253 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1256 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1257 sig_change->frequency)
1260 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1263 sig_change->current_noise =
1264 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1270 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1271 struct wpa_signal_info *sig_change)
1275 sig_change->current_noise = 9999;
1276 sig_change->frequency = drv->assoc_freq;
1278 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1279 return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
1283 static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1286 struct nl_cb *cb = eloop_ctx;
1289 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
1291 res = nl_recvmsgs(handle, cb);
1293 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1300 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1301 * @priv: driver_nl80211 private data
1302 * @alpha2_arg: country to which to switch to
1303 * Returns: 0 on success, -1 on failure
1305 * This asks nl80211 to set the regulatory domain for given
1306 * country ISO / IEC alpha2.
1308 static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1310 struct i802_bss *bss = priv;
1311 struct wpa_driver_nl80211_data *drv = bss->drv;
1315 msg = nlmsg_alloc();
1319 alpha2[0] = alpha2_arg[0];
1320 alpha2[1] = alpha2_arg[1];
1323 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1324 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1328 if (send_and_recv_msgs(drv, msg, NULL, NULL))
1334 static int nl80211_get_country(struct nl_msg *msg, void *arg)
1337 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1338 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1340 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1341 genlmsg_attrlen(gnlh, 0), NULL);
1342 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1343 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1346 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1351 static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1353 struct i802_bss *bss = priv;
1354 struct wpa_driver_nl80211_data *drv = bss->drv;
1358 msg = nlmsg_alloc();
1362 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1364 ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
1372 static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1376 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1377 if (global->nl_cb == NULL) {
1378 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1383 global->nl = nl_create_handle(global->nl_cb, "nl");
1384 if (global->nl == NULL)
1387 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1388 if (global->nl80211_id < 0) {
1389 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1394 global->nl_event = nl_create_handle(global->nl_cb, "event");
1395 if (global->nl_event == NULL)
1398 ret = nl_get_multicast_id(global, "nl80211", "scan");
1400 ret = nl_socket_add_membership(global->nl_event, ret);
1402 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1403 "membership for scan events: %d (%s)",
1404 ret, strerror(-ret));
1408 ret = nl_get_multicast_id(global, "nl80211", "mlme");
1410 ret = nl_socket_add_membership(global->nl_event, ret);
1412 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1413 "membership for mlme events: %d (%s)",
1414 ret, strerror(-ret));
1418 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
1420 ret = nl_socket_add_membership(global->nl_event, ret);
1422 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1423 "membership for regulatory events: %d (%s)",
1424 ret, strerror(-ret));
1425 /* Continue without regulatory events */
1428 ret = nl_get_multicast_id(global, "nl80211", "vendor");
1430 ret = nl_socket_add_membership(global->nl_event, ret);
1432 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
1433 "membership for vendor events: %d (%s)",
1434 ret, strerror(-ret));
1435 /* Continue without vendor events */
1438 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1439 no_seq_check, NULL);
1440 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1441 process_global_event, global);
1443 nl80211_register_eloop_read(&global->nl_event,
1444 wpa_driver_nl80211_event_receive,
1450 nl_destroy_handles(&global->nl_event);
1451 nl_destroy_handles(&global->nl);
1452 nl_cb_put(global->nl_cb);
1453 global->nl_cb = NULL;
1458 static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
1460 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
1462 * This may be for any interface; use ifdown event to disable
1468 static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
1470 struct wpa_driver_nl80211_data *drv = ctx;
1471 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
1472 if (i802_set_iface_flags(drv->first_bss, 1)) {
1473 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
1474 "after rfkill unblock");
1477 /* rtnetlink ifup handler will report interface as enabled */
1481 static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
1485 struct wpa_driver_nl80211_data *drv = eloop_ctx;
1490 struct cmsghdr *cmsg;
1491 int res, found_ee = 0, found_wifi = 0, acked = 0;
1492 union wpa_event_data event;
1494 memset(&msg, 0, sizeof(msg));
1495 msg.msg_iov = &entry;
1497 entry.iov_base = data;
1498 entry.iov_len = sizeof(data);
1499 msg.msg_control = &control;
1500 msg.msg_controllen = sizeof(control);
1502 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
1503 /* if error or not fitting 802.3 header, return */
1507 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
1509 if (cmsg->cmsg_level == SOL_SOCKET &&
1510 cmsg->cmsg_type == SCM_WIFI_STATUS) {
1514 ack = (void *)CMSG_DATA(cmsg);
1518 if (cmsg->cmsg_level == SOL_PACKET &&
1519 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
1520 struct sock_extended_err *err =
1521 (struct sock_extended_err *)CMSG_DATA(cmsg);
1523 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
1528 if (!found_ee || !found_wifi)
1531 memset(&event, 0, sizeof(event));
1532 event.eapol_tx_status.dst = data;
1533 event.eapol_tx_status.data = data + 14;
1534 event.eapol_tx_status.data_len = res - 14;
1535 event.eapol_tx_status.ack = acked;
1536 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
1540 static int nl80211_init_bss(struct i802_bss *bss)
1542 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1546 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
1547 no_seq_check, NULL);
1548 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
1549 process_bss_event, bss);
1555 static void nl80211_destroy_bss(struct i802_bss *bss)
1557 nl_cb_put(bss->nl_cb);
1562 static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
1563 void *global_priv, int hostapd,
1565 const char *driver_params)
1567 struct wpa_driver_nl80211_data *drv;
1568 struct rfkill_config *rcfg;
1569 struct i802_bss *bss;
1571 if (global_priv == NULL)
1573 drv = os_zalloc(sizeof(*drv));
1576 drv->global = global_priv;
1578 drv->hostapd = !!hostapd;
1579 drv->eapol_sock = -1;
1580 drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
1581 drv->if_indices = drv->default_if_indices;
1583 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
1584 if (!drv->first_bss) {
1588 bss = drv->first_bss;
1592 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
1593 drv->monitor_ifidx = -1;
1594 drv->monitor_sock = -1;
1595 drv->eapol_tx_sock = -1;
1596 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
1598 if (nl80211_init_bss(bss))
1601 rcfg = os_zalloc(sizeof(*rcfg));
1605 os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
1606 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
1607 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
1608 drv->rfkill = rfkill_init(rcfg);
1609 if (drv->rfkill == NULL) {
1610 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
1614 if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0)
1615 drv->start_iface_up = 1;
1617 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
1620 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
1621 if (drv->eapol_tx_sock < 0)
1624 if (drv->data_tx_status) {
1627 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
1628 &enabled, sizeof(enabled)) < 0) {
1629 wpa_printf(MSG_DEBUG,
1630 "nl80211: wifi status sockopt failed\n");
1631 drv->data_tx_status = 0;
1632 if (!drv->use_monitor)
1634 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1636 eloop_register_read_sock(drv->eapol_tx_sock,
1637 wpa_driver_nl80211_handle_eapol_tx_status,
1643 dl_list_add(&drv->global->interfaces, &drv->list);
1644 drv->in_interface_list = 1;
1650 wpa_driver_nl80211_deinit(bss);
1656 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1657 * @ctx: context to be used when calling wpa_supplicant functions,
1658 * e.g., wpa_supplicant_event()
1659 * @ifname: interface name, e.g., wlan0
1660 * @global_priv: private driver global data from global_init()
1661 * Returns: Pointer to private data, %NULL on failure
1663 static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
1666 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
1671 static int nl80211_register_frame(struct i802_bss *bss,
1672 struct nl_handle *nl_handle,
1673 u16 type, const u8 *match, size_t match_len)
1675 struct wpa_driver_nl80211_data *drv = bss->drv;
1681 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
1682 wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1683 type, fc2str(type), nl_handle, buf);
1685 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) ||
1686 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
1687 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
1692 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
1694 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
1695 "failed (type=%u): ret=%d (%s)",
1696 type, ret, strerror(-ret));
1697 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
1704 static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
1707 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
1708 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
1712 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
1713 if (bss->nl_mgmt == NULL)
1720 static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
1722 nl80211_register_eloop_read(&bss->nl_mgmt,
1723 wpa_driver_nl80211_event_receive,
1728 static int nl80211_register_action_frame(struct i802_bss *bss,
1729 const u8 *match, size_t match_len)
1731 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
1732 return nl80211_register_frame(bss, bss->nl_mgmt,
1733 type, match, match_len);
1737 static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
1739 struct wpa_driver_nl80211_data *drv = bss->drv;
1742 if (nl80211_alloc_mgmt_handle(bss))
1744 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
1745 "handle %p", bss->nl_mgmt);
1747 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
1748 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
1750 /* register for any AUTH message */
1751 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0);
1754 #ifdef CONFIG_INTERWORKING
1755 /* QoS Map Configure */
1756 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
1758 #endif /* CONFIG_INTERWORKING */
1759 #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
1760 /* GAS Initial Request */
1761 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
1763 /* GAS Initial Response */
1764 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
1766 /* GAS Comeback Request */
1767 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
1769 /* GAS Comeback Response */
1770 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
1772 /* Protected GAS Initial Request */
1773 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
1775 /* Protected GAS Initial Response */
1776 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
1778 /* Protected GAS Comeback Request */
1779 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
1781 /* Protected GAS Comeback Response */
1782 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
1784 #endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1786 /* P2P Public Action */
1787 if (nl80211_register_action_frame(bss,
1788 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
1792 if (nl80211_register_action_frame(bss,
1793 (u8 *) "\x7f\x50\x6f\x9a\x09",
1796 #endif /* CONFIG_P2P */
1797 #ifdef CONFIG_IEEE80211W
1798 /* SA Query Response */
1799 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
1801 #endif /* CONFIG_IEEE80211W */
1803 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
1804 /* TDLS Discovery Response */
1805 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
1809 #endif /* CONFIG_TDLS */
1811 /* FT Action frames */
1812 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
1815 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
1816 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
1818 /* WNM - BSS Transition Management Request */
1819 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
1821 /* WNM-Sleep Mode Response */
1822 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
1826 /* WNM-Notification */
1827 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
1829 #endif /* CONFIG_HS20 */
1831 /* WMM-AC ADDTS Response */
1832 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
1836 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
1839 /* Radio Measurement - Neighbor Report Response */
1840 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
1843 /* Radio Measurement - Link Measurement Request */
1844 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
1845 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
1848 nl80211_mgmt_handle_register_eloop(bss);
1854 static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
1858 if (nl80211_alloc_mgmt_handle(bss))
1861 wpa_printf(MSG_DEBUG,
1862 "nl80211: Subscribe to mgmt frames with mesh handle %p",
1865 /* Auth frames for mesh SAE */
1866 if (nl80211_register_frame(bss, bss->nl_mgmt,
1867 (WLAN_FC_TYPE_MGMT << 2) |
1868 (WLAN_FC_STYPE_AUTH << 4),
1872 /* Mesh peering open */
1873 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
1875 /* Mesh peering confirm */
1876 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
1878 /* Mesh peering close */
1879 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
1882 nl80211_mgmt_handle_register_eloop(bss);
1888 static int nl80211_register_spurious_class3(struct i802_bss *bss)
1893 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
1894 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
1896 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
1897 "failed: ret=%d (%s)",
1898 ret, strerror(-ret));
1904 static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
1906 static const int stypes[] = {
1908 WLAN_FC_STYPE_ASSOC_REQ,
1909 WLAN_FC_STYPE_REASSOC_REQ,
1910 WLAN_FC_STYPE_DISASSOC,
1911 WLAN_FC_STYPE_DEAUTH,
1912 WLAN_FC_STYPE_ACTION,
1913 WLAN_FC_STYPE_PROBE_REQ,
1914 /* Beacon doesn't work as mac80211 doesn't currently allow
1915 * it, but it wouldn't really be the right thing anyway as
1916 * it isn't per interface ... maybe just dump the scan
1917 * results periodically for OLBC?
1919 /* WLAN_FC_STYPE_BEACON, */
1923 if (nl80211_alloc_mgmt_handle(bss))
1925 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
1926 "handle %p", bss->nl_mgmt);
1928 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
1929 if (nl80211_register_frame(bss, bss->nl_mgmt,
1930 (WLAN_FC_TYPE_MGMT << 2) |
1937 if (nl80211_register_spurious_class3(bss))
1940 if (nl80211_get_wiphy_data_ap(bss) == NULL)
1943 nl80211_mgmt_handle_register_eloop(bss);
1947 nl_destroy_handles(&bss->nl_mgmt);
1952 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
1954 if (nl80211_alloc_mgmt_handle(bss))
1956 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
1957 "handle %p (device SME)", bss->nl_mgmt);
1959 if (nl80211_register_frame(bss, bss->nl_mgmt,
1960 (WLAN_FC_TYPE_MGMT << 2) |
1961 (WLAN_FC_STYPE_ACTION << 4),
1965 nl80211_mgmt_handle_register_eloop(bss);
1969 nl_destroy_handles(&bss->nl_mgmt);
1974 static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
1976 if (bss->nl_mgmt == NULL)
1978 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
1979 "(%s)", bss->nl_mgmt, reason);
1980 nl80211_destroy_eloop_handle(&bss->nl_mgmt);
1982 nl80211_put_wiphy_data_ap(bss);
1986 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
1988 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
1992 static void nl80211_del_p2pdev(struct i802_bss *bss)
1997 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
1998 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2000 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2001 bss->ifname, (long long unsigned int) bss->wdev_id,
2006 static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2011 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2012 NL80211_CMD_STOP_P2P_DEVICE);
2013 ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
2015 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2016 start ? "Start" : "Stop",
2017 bss->ifname, (long long unsigned int) bss->wdev_id,
2023 static int i802_set_iface_flags(struct i802_bss *bss, int up)
2025 enum nl80211_iftype nlmode;
2027 nlmode = nl80211_get_ifmode(bss);
2028 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2029 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2033 /* P2P Device has start/stop which is equivalent */
2034 return nl80211_set_p2pdev(bss, up);
2039 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
2040 const u8 *set_addr, int first,
2041 const char *driver_params)
2043 struct i802_bss *bss = drv->first_bss;
2044 int send_rfkill_event = 0;
2045 enum nl80211_iftype nlmode;
2047 drv->ifindex = if_nametoindex(bss->ifname);
2048 bss->ifindex = drv->ifindex;
2049 bss->wdev_id = drv->global->if_add_wdevid;
2050 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2052 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2053 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
2054 drv->global->if_add_wdevid_set = 0;
2056 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2059 if (wpa_driver_nl80211_capa(drv))
2062 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
2065 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
2066 bss->ifname, drv->phyname);
2069 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
2070 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2074 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2075 drv->start_mode_ap = 1;
2077 if (drv->hostapd || bss->static_ap)
2078 nlmode = NL80211_IFTYPE_AP;
2079 else if (bss->if_dynamic)
2080 nlmode = nl80211_get_ifmode(bss);
2082 nlmode = NL80211_IFTYPE_STATION;
2084 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
2085 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
2089 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2090 nl80211_get_macaddr(bss);
2092 if (!rfkill_is_blocked(drv->rfkill)) {
2093 int ret = i802_set_iface_flags(bss, 1);
2095 wpa_printf(MSG_ERROR, "nl80211: Could not set "
2096 "interface '%s' UP", bss->ifname);
2099 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2102 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
2103 "interface '%s' due to rfkill", bss->ifname);
2104 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
2106 drv->if_disabled = 1;
2107 send_rfkill_event = 1;
2111 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
2112 1, IF_OPER_DORMANT);
2114 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2117 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
2119 if (send_rfkill_event) {
2120 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
2128 static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
2132 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
2134 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
2135 return send_and_recv_msgs(drv, msg, NULL, NULL);
2140 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
2141 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
2143 * Shut down driver interface and processing of driver events. Free
2144 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2146 static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
2148 struct wpa_driver_nl80211_data *drv = bss->drv;
2150 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2151 bss->ifname, drv->disabled_11b_rates);
2154 if (drv->data_tx_status)
2155 eloop_unregister_read_sock(drv->eapol_tx_sock);
2156 if (drv->eapol_tx_sock >= 0)
2157 close(drv->eapol_tx_sock);
2160 wpa_driver_nl80211_probe_req_report(bss, 0);
2161 if (bss->added_if_into_bridge) {
2162 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
2164 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2165 "interface %s from bridge %s: %s",
2166 bss->ifname, bss->brname, strerror(errno));
2168 nl80211_handle_destroy(drv->rtnl_sk);
2170 if (bss->added_bridge) {
2171 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
2173 wpa_printf(MSG_INFO,
2174 "nl80211: Could not set bridge %s down",
2176 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
2177 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
2179 bss->brname, strerror(errno));
2182 nl80211_remove_monitor_interface(drv);
2184 if (is_ap_interface(drv->nlmode))
2185 wpa_driver_nl80211_del_beacon(drv);
2187 if (drv->eapol_sock >= 0) {
2188 eloop_unregister_read_sock(drv->eapol_sock);
2189 close(drv->eapol_sock);
2192 if (drv->if_indices != drv->default_if_indices)
2193 os_free(drv->if_indices);
2195 if (drv->disabled_11b_rates)
2196 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2198 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
2200 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
2201 rfkill_deinit(drv->rfkill);
2203 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
2205 if (!drv->start_iface_up)
2206 (void) i802_set_iface_flags(bss, 0);
2208 if (drv->addr_changed) {
2209 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
2211 wpa_printf(MSG_DEBUG,
2212 "nl80211: Could not set interface down to restore permanent MAC address");
2214 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
2215 drv->perm_addr) < 0) {
2216 wpa_printf(MSG_DEBUG,
2217 "nl80211: Could not restore permanent MAC address");
2221 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2222 if (!drv->hostapd || !drv->start_mode_ap)
2223 wpa_driver_nl80211_set_mode(bss,
2224 NL80211_IFTYPE_STATION);
2225 nl80211_mgmt_unsubscribe(bss, "deinit");
2227 nl80211_mgmt_unsubscribe(bss, "deinit");
2228 nl80211_del_p2pdev(bss);
2231 nl80211_destroy_bss(drv->first_bss);
2233 os_free(drv->filter_ssids);
2235 os_free(drv->auth_ie);
2237 if (drv->in_interface_list)
2238 dl_list_del(&drv->list);
2240 os_free(drv->extended_capa);
2241 os_free(drv->extended_capa_mask);
2242 os_free(drv->first_bss);
2247 static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
2252 return WLAN_CIPHER_SUITE_WEP40;
2253 return WLAN_CIPHER_SUITE_WEP104;
2255 return WLAN_CIPHER_SUITE_TKIP;
2257 return WLAN_CIPHER_SUITE_CCMP;
2259 return WLAN_CIPHER_SUITE_GCMP;
2260 case WPA_ALG_CCMP_256:
2261 return WLAN_CIPHER_SUITE_CCMP_256;
2262 case WPA_ALG_GCMP_256:
2263 return WLAN_CIPHER_SUITE_GCMP_256;
2265 return WLAN_CIPHER_SUITE_AES_CMAC;
2266 case WPA_ALG_BIP_GMAC_128:
2267 return WLAN_CIPHER_SUITE_BIP_GMAC_128;
2268 case WPA_ALG_BIP_GMAC_256:
2269 return WLAN_CIPHER_SUITE_BIP_GMAC_256;
2270 case WPA_ALG_BIP_CMAC_256:
2271 return WLAN_CIPHER_SUITE_BIP_CMAC_256;
2273 return WLAN_CIPHER_SUITE_SMS4;
2275 return WLAN_CIPHER_SUITE_KRK;
2278 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
2283 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
2289 static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
2292 case WPA_CIPHER_CCMP_256:
2293 return WLAN_CIPHER_SUITE_CCMP_256;
2294 case WPA_CIPHER_GCMP_256:
2295 return WLAN_CIPHER_SUITE_GCMP_256;
2296 case WPA_CIPHER_CCMP:
2297 return WLAN_CIPHER_SUITE_CCMP;
2298 case WPA_CIPHER_GCMP:
2299 return WLAN_CIPHER_SUITE_GCMP;
2300 case WPA_CIPHER_TKIP:
2301 return WLAN_CIPHER_SUITE_TKIP;
2302 case WPA_CIPHER_WEP104:
2303 return WLAN_CIPHER_SUITE_WEP104;
2304 case WPA_CIPHER_WEP40:
2305 return WLAN_CIPHER_SUITE_WEP40;
2306 case WPA_CIPHER_GTK_NOT_USED:
2307 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR;
2314 static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
2319 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
2320 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256;
2321 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
2322 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256;
2323 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
2324 suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP;
2325 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
2326 suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP;
2327 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
2328 suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP;
2329 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
2330 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104;
2331 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
2332 suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40;
2338 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
2339 const u8 *key, size_t key_len)
2344 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
2347 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2348 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2349 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2350 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
2351 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
2352 nl80211_nlmsg_clear(msg);
2356 ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
2358 wpa_printf(MSG_DEBUG,
2359 "nl80211: Key management set key failed: ret=%d (%s)",
2360 ret, strerror(-ret));
2367 static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss,
2368 enum wpa_alg alg, const u8 *addr,
2369 int key_idx, int set_tx,
2370 const u8 *seq, size_t seq_len,
2371 const u8 *key, size_t key_len)
2373 struct wpa_driver_nl80211_data *drv = bss->drv;
2379 /* Ignore for P2P Device */
2380 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2383 ifindex = if_nametoindex(ifname);
2384 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
2385 "set_tx=%d seq_len=%lu key_len=%lu",
2386 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
2387 (unsigned long) seq_len, (unsigned long) key_len);
2389 if (key_idx == -1) {
2393 #endif /* CONFIG_TDLS */
2395 if (alg == WPA_ALG_PMK &&
2396 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2397 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
2399 ret = issue_key_mgmt_set_key(drv, key, key_len);
2403 if (alg == WPA_ALG_NONE) {
2404 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
2408 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
2410 nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) ||
2411 nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER,
2412 wpa_alg_to_cipher_suite(alg, key_len)))
2414 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
2417 if (seq && seq_len) {
2418 if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq))
2420 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len);
2423 if (addr && !is_broadcast_ether_addr(addr)) {
2424 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
2425 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
2428 if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
2429 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
2430 if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE,
2431 NL80211_KEYTYPE_GROUP))
2434 } else if (addr && is_broadcast_ether_addr(addr)) {
2435 struct nlattr *types;
2437 wpa_printf(MSG_DEBUG, " broadcast key");
2439 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2441 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2443 nla_nest_end(msg, types);
2445 if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
2448 ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
2449 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
2452 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
2453 ret, strerror(-ret));
2456 * If we failed or don't need to set the default TX key (below),
2459 if (ret || !set_tx || alg == WPA_ALG_NONE || tdls)
2461 if (is_ap_interface(drv->nlmode) && addr &&
2462 !is_broadcast_ether_addr(addr))
2465 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
2467 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
2468 nla_put_flag(msg, alg == WPA_ALG_IGTK ?
2469 NL80211_ATTR_KEY_DEFAULT_MGMT :
2470 NL80211_ATTR_KEY_DEFAULT))
2472 if (addr && is_broadcast_ether_addr(addr)) {
2473 struct nlattr *types;
2475 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2477 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
2479 nla_nest_end(msg, types);
2481 struct nlattr *types;
2483 types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES);
2485 nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
2487 nla_nest_end(msg, types);
2490 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2494 wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
2495 "err=%d %s)", ret, strerror(-ret));
2499 nl80211_nlmsg_clear(msg);
2505 static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
2506 int key_idx, int defkey,
2507 const u8 *seq, size_t seq_len,
2508 const u8 *key, size_t key_len)
2510 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
2514 if (defkey && alg == WPA_ALG_IGTK) {
2515 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
2517 } else if (defkey) {
2518 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
2522 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
2523 nla_put_u32(msg, NL80211_KEY_CIPHER,
2524 wpa_alg_to_cipher_suite(alg, key_len)) ||
2526 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
2527 nla_put(msg, NL80211_KEY_DATA, key_len, key))
2530 nla_nest_end(msg, key_attr);
2536 static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
2540 struct nlattr *nl_keys, *nl_key;
2542 for (i = 0; i < 4; i++) {
2543 if (!params->wep_key[i])
2548 if (params->wps == WPS_MODE_PRIVACY)
2550 if (params->pairwise_suite &&
2551 params->pairwise_suite != WPA_CIPHER_NONE)
2557 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
2560 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
2564 for (i = 0; i < 4; i++) {
2565 if (!params->wep_key[i])
2568 nl_key = nla_nest_start(msg, i);
2570 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
2571 params->wep_key[i]) ||
2572 nla_put_u32(msg, NL80211_KEY_CIPHER,
2573 params->wep_key_len[i] == 5 ?
2574 WLAN_CIPHER_SUITE_WEP40 :
2575 WLAN_CIPHER_SUITE_WEP104) ||
2576 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
2577 (i == params->wep_tx_keyidx &&
2578 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
2581 nla_nest_end(msg, nl_key);
2583 nla_nest_end(msg, nl_keys);
2589 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
2590 const u8 *addr, int cmd, u16 reason_code,
2591 int local_state_change)
2596 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
2597 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
2598 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
2599 (local_state_change &&
2600 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
2605 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2607 wpa_dbg(drv->ctx, MSG_DEBUG,
2608 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2609 reason_code, ret, strerror(-ret));
2615 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
2620 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
2621 nl80211_mark_disconnected(drv);
2622 /* Disconnect command doesn't need BSSID - it uses cached value */
2623 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
2626 * For locally generated disconnect, supplicant already generates a
2627 * DEAUTH event, so ignore the event from NL80211.
2629 drv->ignore_next_local_disconnect = ret == 0;
2635 static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
2636 const u8 *addr, int reason_code)
2638 struct wpa_driver_nl80211_data *drv = bss->drv;
2641 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2642 nl80211_mark_disconnected(drv);
2643 return nl80211_leave_ibss(drv, 1);
2645 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
2646 return wpa_driver_nl80211_disconnect(drv, reason_code);
2647 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
2648 __func__, MAC2STR(addr), reason_code);
2649 nl80211_mark_disconnected(drv);
2650 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
2653 * For locally generated deauthenticate, supplicant already generates a
2654 * DEAUTH event, so ignore the event from NL80211.
2656 drv->ignore_next_local_deauth = ret == 0;
2661 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
2662 struct wpa_driver_auth_params *params)
2666 drv->auth_freq = params->freq;
2667 drv->auth_alg = params->auth_alg;
2668 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
2669 drv->auth_local_state_change = params->local_state_change;
2670 drv->auth_p2p = params->p2p;
2673 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
2675 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
2678 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
2679 drv->auth_ssid_len = params->ssid_len;
2681 drv->auth_ssid_len = 0;
2684 os_free(drv->auth_ie);
2685 drv->auth_ie = NULL;
2686 drv->auth_ie_len = 0;
2688 drv->auth_ie = os_malloc(params->ie_len);
2690 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
2691 drv->auth_ie_len = params->ie_len;
2695 for (i = 0; i < 4; i++) {
2696 if (params->wep_key[i] && params->wep_key_len[i] &&
2697 params->wep_key_len[i] <= 16) {
2698 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
2699 params->wep_key_len[i]);
2700 drv->auth_wep_key_len[i] = params->wep_key_len[i];
2702 drv->auth_wep_key_len[i] = 0;
2707 static void nl80211_unmask_11b_rates(struct i802_bss *bss)
2709 struct wpa_driver_nl80211_data *drv = bss->drv;
2711 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
2715 * Looks like we failed to unmask 11b rates previously. This could
2716 * happen, e.g., if the interface was down at the point in time when a
2717 * P2P group was terminated.
2719 wpa_printf(MSG_DEBUG,
2720 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
2722 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
2726 static int wpa_driver_nl80211_authenticate(
2727 struct i802_bss *bss, struct wpa_driver_auth_params *params)
2729 struct wpa_driver_nl80211_data *drv = bss->drv;
2732 enum nl80211_auth_type type;
2733 enum nl80211_iftype nlmode;
2737 nl80211_unmask_11b_rates(bss);
2739 is_retry = drv->retry_auth;
2740 drv->retry_auth = 0;
2741 drv->ignore_deauth_event = 0;
2743 nl80211_mark_disconnected(drv);
2744 os_memset(drv->auth_bssid, 0, ETH_ALEN);
2746 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
2748 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
2749 /* FIX: IBSS mode */
2750 nlmode = params->p2p ?
2751 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
2752 if (drv->nlmode != nlmode &&
2753 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
2757 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
2760 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
2764 for (i = 0; i < 4; i++) {
2765 if (!params->wep_key[i])
2767 wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP,
2769 i == params->wep_tx_keyidx, NULL, 0,
2771 params->wep_key_len[i]);
2772 if (params->wep_tx_keyidx != i)
2774 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
2775 params->wep_key[i], params->wep_key_len[i]))
2779 if (params->bssid) {
2780 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
2781 MAC2STR(params->bssid));
2782 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
2786 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
2787 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
2791 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
2792 params->ssid, params->ssid_len);
2793 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
2797 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
2799 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
2801 if (params->sae_data) {
2802 wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data,
2803 params->sae_data_len);
2804 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len,
2808 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
2809 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2810 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
2811 type = NL80211_AUTHTYPE_SHARED_KEY;
2812 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
2813 type = NL80211_AUTHTYPE_NETWORK_EAP;
2814 else if (params->auth_alg & WPA_AUTH_ALG_FT)
2815 type = NL80211_AUTHTYPE_FT;
2816 else if (params->auth_alg & WPA_AUTH_ALG_SAE)
2817 type = NL80211_AUTHTYPE_SAE;
2820 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
2821 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
2823 if (params->local_state_change) {
2824 wpa_printf(MSG_DEBUG, " * Local state change only");
2825 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
2829 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
2832 wpa_dbg(drv->ctx, MSG_DEBUG,
2833 "nl80211: MLME command failed (auth): ret=%d (%s)",
2834 ret, strerror(-ret));
2836 if (ret == -EALREADY && count == 1 && params->bssid &&
2837 !params->local_state_change) {
2839 * mac80211 does not currently accept new
2840 * authentication if we are already authenticated. As a
2841 * workaround, force deauthentication and try again.
2843 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
2844 "after forced deauthentication");
2845 drv->ignore_deauth_event = 1;
2846 wpa_driver_nl80211_deauthenticate(
2848 WLAN_REASON_PREV_AUTH_NOT_VALID);
2853 if (ret == -ENOENT && params->freq && !is_retry) {
2855 * cfg80211 has likely expired the BSS entry even
2856 * though it was previously available in our internal
2857 * BSS table. To recover quickly, start a single
2858 * channel scan on the specified channel.
2860 struct wpa_driver_scan_params scan;
2863 os_memset(&scan, 0, sizeof(scan));
2866 scan.ssids[0].ssid = params->ssid;
2867 scan.ssids[0].ssid_len = params->ssid_len;
2869 freqs[0] = params->freq;
2872 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
2873 "channel scan to refresh cfg80211 BSS "
2875 ret = wpa_driver_nl80211_scan(bss, &scan);
2877 nl80211_copy_auth_params(drv, params);
2878 drv->scan_for_auth = 1;
2880 } else if (is_retry) {
2882 * Need to indicate this with an event since the return
2883 * value from the retry is not delivered to core code.
2885 union wpa_event_data event;
2886 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
2888 os_memset(&event, 0, sizeof(event));
2889 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
2891 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
2895 wpa_printf(MSG_DEBUG,
2896 "nl80211: Authentication request send successfully");
2905 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
2907 struct wpa_driver_auth_params params;
2908 struct i802_bss *bss = drv->first_bss;
2911 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
2913 os_memset(¶ms, 0, sizeof(params));
2914 params.freq = drv->auth_freq;
2915 params.auth_alg = drv->auth_alg;
2916 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
2917 params.local_state_change = drv->auth_local_state_change;
2918 params.p2p = drv->auth_p2p;
2920 if (!is_zero_ether_addr(drv->auth_bssid_))
2921 params.bssid = drv->auth_bssid_;
2923 if (drv->auth_ssid_len) {
2924 params.ssid = drv->auth_ssid;
2925 params.ssid_len = drv->auth_ssid_len;
2928 params.ie = drv->auth_ie;
2929 params.ie_len = drv->auth_ie_len;
2931 for (i = 0; i < 4; i++) {
2932 if (drv->auth_wep_key_len[i]) {
2933 params.wep_key[i] = drv->auth_wep_key[i];
2934 params.wep_key_len[i] = drv->auth_wep_key_len[i];
2938 drv->retry_auth = 1;
2939 return wpa_driver_nl80211_authenticate(bss, ¶ms);
2943 static int wpa_driver_nl80211_send_frame(struct i802_bss *bss,
2944 const void *data, size_t len,
2945 int encrypt, int noack,
2946 unsigned int freq, int no_cck,
2947 int offchanok, unsigned int wait_time)
2949 struct wpa_driver_nl80211_data *drv = bss->drv;
2953 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
2954 freq = nl80211_get_assoc_freq(drv);
2955 wpa_printf(MSG_DEBUG,
2956 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
2960 wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u",
2965 if (drv->use_monitor) {
2966 wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
2968 return nl80211_send_monitor(drv, data, len, encrypt, noack);
2971 wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd");
2972 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len,
2973 &cookie, no_cck, noack, offchanok);
2974 if (res == 0 && !noack) {
2975 const struct ieee80211_mgmt *mgmt;
2978 mgmt = (const struct ieee80211_mgmt *) data;
2979 fc = le_to_host16(mgmt->frame_control);
2980 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
2981 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
2982 wpa_printf(MSG_MSGDUMP,
2983 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
2984 (long long unsigned int)
2985 drv->send_action_cookie,
2986 (long long unsigned int) cookie);
2987 drv->send_action_cookie = cookie;
2995 static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
2996 size_t data_len, int noack,
2997 unsigned int freq, int no_cck,
2999 unsigned int wait_time)
3001 struct wpa_driver_nl80211_data *drv = bss->drv;
3002 struct ieee80211_mgmt *mgmt;
3006 mgmt = (struct ieee80211_mgmt *) data;
3007 fc = le_to_host16(mgmt->frame_control);
3008 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR
3009 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3010 MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time,
3011 fc, fc2str(fc), drv->nlmode);
3013 if ((is_sta_interface(drv->nlmode) ||
3014 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
3015 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3016 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
3018 * The use of last_mgmt_freq is a bit of a hack,
3019 * but it works due to the single-threaded nature
3020 * of wpa_supplicant.
3023 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
3024 drv->last_mgmt_freq);
3025 freq = drv->last_mgmt_freq;
3027 return nl80211_send_frame_cmd(bss, freq, 0,
3028 data, data_len, NULL, 1, noack,
3032 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
3034 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
3038 return nl80211_send_frame_cmd(bss, freq,
3039 (int) freq == bss->freq ? 0 :
3042 &drv->send_action_cookie,
3043 no_cck, noack, offchanok);
3046 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
3047 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
3049 * Only one of the authentication frame types is encrypted.
3050 * In order for static WEP encryption to work properly (i.e.,
3051 * to not encrypt the frame), we need to tell mac80211 about
3052 * the frames that must not be encrypted.
3054 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
3055 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
3056 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
3060 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame");
3061 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt,
3062 noack, freq, no_cck, offchanok,
3067 static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
3068 int slot, int ht_opmode, int ap_isolate,
3071 struct wpa_driver_nl80211_data *drv = bss->drv;
3074 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
3076 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
3078 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
3080 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
3082 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
3084 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)))
3088 u8 rates[NL80211_MAX_SUPP_RATES];
3092 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
3094 rates[rates_len++] = basic_rates[i] / 5;
3096 if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len,
3101 return send_and_recv_msgs(drv, msg, NULL, NULL);
3108 static int wpa_driver_nl80211_set_acl(void *priv,
3109 struct hostapd_acl_params *params)
3111 struct i802_bss *bss = priv;
3112 struct wpa_driver_nl80211_data *drv = bss->drv;
3118 if (!(drv->capa.max_acl_mac_addrs))
3121 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
3124 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
3125 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
3127 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) ||
3128 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
3129 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
3130 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
3131 (acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS)) == NULL) {
3136 for (i = 0; i < params->num_mac_acl; i++) {
3137 if (nla_put(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
3143 nla_nest_end(msg, acl);
3145 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3147 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
3148 ret, strerror(-ret));
3155 static int wpa_driver_nl80211_set_ap(void *priv,
3156 struct wpa_driver_ap_params *params)
3158 struct i802_bss *bss = priv;
3159 struct wpa_driver_nl80211_data *drv = bss->drv;
3161 u8 cmd = NL80211_CMD_NEW_BEACON;
3166 u32 suites[10], suite;
3169 beacon_set = bss->beacon_set;
3171 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
3174 cmd = NL80211_CMD_SET_BEACON;
3176 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
3177 params->head, params->head_len);
3178 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
3179 params->tail, params->tail_len);
3180 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
3181 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
3182 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
3183 wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid",
3184 params->ssid, params->ssid_len);
3185 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
3186 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
3188 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
3190 nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
3191 params->beacon_int) ||
3192 nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
3193 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
3195 if (params->proberesp && params->proberesp_len) {
3196 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
3197 params->proberesp, params->proberesp_len);
3198 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
3202 switch (params->hide_ssid) {
3203 case NO_SSID_HIDING:
3204 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
3205 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3206 NL80211_HIDDEN_SSID_NOT_IN_USE))
3209 case HIDDEN_SSID_ZERO_LEN:
3210 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
3211 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3212 NL80211_HIDDEN_SSID_ZERO_LEN))
3215 case HIDDEN_SSID_ZERO_CONTENTS:
3216 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
3217 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
3218 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
3222 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
3223 if (params->privacy &&
3224 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3226 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
3227 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
3228 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
3229 /* Leave out the attribute */
3230 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
3231 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3232 NL80211_AUTHTYPE_SHARED_KEY))
3235 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
3236 NL80211_AUTHTYPE_OPEN_SYSTEM))
3240 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
3242 if (params->wpa_version & WPA_PROTO_WPA)
3243 ver |= NL80211_WPA_VERSION_1;
3244 if (params->wpa_version & WPA_PROTO_RSN)
3245 ver |= NL80211_WPA_VERSION_2;
3247 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
3250 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
3251 params->key_mgmt_suites);
3253 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X)
3254 suites[num_suites++] = WLAN_AKM_SUITE_8021X;
3255 if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK)
3256 suites[num_suites++] = WLAN_AKM_SUITE_PSK;
3258 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
3262 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
3263 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) &&
3264 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
3267 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
3268 params->pairwise_ciphers);
3269 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
3270 suites, ARRAY_SIZE(suites));
3272 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
3273 num_suites * sizeof(u32), suites))
3276 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
3277 params->group_cipher);
3278 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
3280 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
3283 switch (params->smps_mode) {
3284 case HT_CAP_INFO_SMPS_DYNAMIC:
3285 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic");
3286 smps_mode = NL80211_SMPS_DYNAMIC;
3288 case HT_CAP_INFO_SMPS_STATIC:
3289 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static");
3290 smps_mode = NL80211_SMPS_STATIC;
3293 /* invalid - fallback to smps off */
3294 case HT_CAP_INFO_SMPS_DISABLED:
3295 wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off");
3296 smps_mode = NL80211_SMPS_OFF;
3299 if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode))
3302 if (params->beacon_ies) {
3303 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
3304 params->beacon_ies);
3305 if (nla_put(msg, NL80211_ATTR_IE,
3306 wpabuf_len(params->beacon_ies),
3307 wpabuf_head(params->beacon_ies)))
3310 if (params->proberesp_ies) {
3311 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
3312 params->proberesp_ies);
3313 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
3314 wpabuf_len(params->proberesp_ies),
3315 wpabuf_head(params->proberesp_ies)))
3318 if (params->assocresp_ies) {
3319 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
3320 params->assocresp_ies);
3321 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
3322 wpabuf_len(params->assocresp_ies),
3323 wpabuf_head(params->assocresp_ies)))
3327 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
3328 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
3329 params->ap_max_inactivity);
3330 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
3331 params->ap_max_inactivity))
3335 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3337 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
3338 ret, strerror(-ret));
3340 bss->beacon_set = 1;
3341 nl80211_set_bss(bss, params->cts_protect, params->preamble,
3342 params->short_slot_time, params->ht_opmode,
3343 params->isolate, params->basic_rates);
3344 if (beacon_set && params->freq &&
3345 params->freq->bandwidth != bss->bandwidth) {
3346 wpa_printf(MSG_DEBUG,
3347 "nl80211: Update BSS %s bandwidth: %d -> %d",
3348 bss->ifname, bss->bandwidth,
3349 params->freq->bandwidth);
3350 ret = nl80211_set_channel(bss, params->freq, 1);
3352 wpa_printf(MSG_DEBUG,
3353 "nl80211: Frequency set failed: %d (%s)",
3354 ret, strerror(-ret));
3356 wpa_printf(MSG_DEBUG,
3357 "nl80211: Frequency set succeeded for ht2040 coex");
3358 bss->bandwidth = params->freq->bandwidth;
3360 } else if (!beacon_set) {
3362 * cfg80211 updates the driver on frequence change in AP
3363 * mode only at the point when beaconing is started, so
3364 * set the initial value here.
3366 bss->bandwidth = params->freq->bandwidth;
3376 static int nl80211_put_freq_params(struct nl_msg *msg,
3377 struct hostapd_freq_params *freq)
3379 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
3382 if (freq->vht_enabled) {
3383 enum nl80211_chan_width cw;
3385 switch (freq->bandwidth) {
3387 cw = NL80211_CHAN_WIDTH_20;
3390 cw = NL80211_CHAN_WIDTH_40;
3393 if (freq->center_freq2)
3394 cw = NL80211_CHAN_WIDTH_80P80;
3396 cw = NL80211_CHAN_WIDTH_80;
3399 cw = NL80211_CHAN_WIDTH_160;
3405 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
3406 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
3407 freq->center_freq1) ||
3408 (freq->center_freq2 &&
3409 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
3410 freq->center_freq2)))
3412 } else if (freq->ht_enabled) {
3413 enum nl80211_channel_type ct;
3415 switch (freq->sec_channel_offset) {
3417 ct = NL80211_CHAN_HT40MINUS;
3420 ct = NL80211_CHAN_HT40PLUS;
3423 ct = NL80211_CHAN_HT20;
3427 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
3434 static int nl80211_set_channel(struct i802_bss *bss,
3435 struct hostapd_freq_params *freq, int set_chan)
3437 struct wpa_driver_nl80211_data *drv = bss->drv;
3441 wpa_printf(MSG_DEBUG,
3442 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3443 freq->freq, freq->ht_enabled, freq->vht_enabled,
3444 freq->bandwidth, freq->center_freq1, freq->center_freq2);
3446 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
3447 NL80211_CMD_SET_WIPHY);
3448 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
3453 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3455 bss->freq = freq->freq;
3458 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
3459 "%d (%s)", freq->freq, ret, strerror(-ret));
3464 static u32 sta_flags_nl80211(int flags)
3468 if (flags & WPA_STA_AUTHORIZED)
3469 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
3470 if (flags & WPA_STA_WMM)
3471 f |= BIT(NL80211_STA_FLAG_WME);
3472 if (flags & WPA_STA_SHORT_PREAMBLE)
3473 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
3474 if (flags & WPA_STA_MFP)
3475 f |= BIT(NL80211_STA_FLAG_MFP);
3476 if (flags & WPA_STA_TDLS_PEER)
3477 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
3478 if (flags & WPA_STA_AUTHENTICATED)
3479 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
3486 static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
3490 return NL80211_PLINK_LISTEN;
3491 case PLINK_OPEN_SENT:
3492 return NL80211_PLINK_OPN_SNT;
3493 case PLINK_OPEN_RCVD:
3494 return NL80211_PLINK_OPN_RCVD;
3495 case PLINK_CNF_RCVD:
3496 return NL80211_PLINK_CNF_RCVD;
3498 return NL80211_PLINK_ESTAB;
3500 return NL80211_PLINK_HOLDING;
3502 return NL80211_PLINK_BLOCKED;
3504 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
3509 #endif /* CONFIG_MESH */
3512 static int wpa_driver_nl80211_sta_add(void *priv,
3513 struct hostapd_sta_add_params *params)
3515 struct i802_bss *bss = priv;
3516 struct wpa_driver_nl80211_data *drv = bss->drv;
3518 struct nl80211_sta_flag_update upd;
3521 if ((params->flags & WPA_STA_TDLS_PEER) &&
3522 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
3525 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
3526 params->set ? "Set" : "Add", MAC2STR(params->addr));
3527 msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION :
3528 NL80211_CMD_NEW_STATION);
3529 if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
3532 if (!params->set || (params->flags & WPA_STA_TDLS_PEER)) {
3533 wpa_hexdump(MSG_DEBUG, " * supported rates",
3534 params->supp_rates, params->supp_rates_len);
3535 wpa_printf(MSG_DEBUG, " * capability=0x%x",
3536 params->capability);
3537 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
3538 params->supp_rates_len, params->supp_rates) ||
3539 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
3540 params->capability))
3543 if (params->ht_capabilities) {
3544 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
3545 (u8 *) params->ht_capabilities,
3546 sizeof(*params->ht_capabilities));
3547 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
3548 sizeof(*params->ht_capabilities),
3549 params->ht_capabilities))
3553 if (params->vht_capabilities) {
3554 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
3555 (u8 *) params->vht_capabilities,
3556 sizeof(*params->vht_capabilities));
3557 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
3558 sizeof(*params->vht_capabilities),
3559 params->vht_capabilities))
3563 if (params->ext_capab) {
3564 wpa_hexdump(MSG_DEBUG, " * ext_capab",
3565 params->ext_capab, params->ext_capab_len);
3566 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
3567 params->ext_capab_len, params->ext_capab))
3573 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
3574 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
3578 * cfg80211 validates that AID is non-zero, so we have
3579 * to make this a non-zero value for the TDLS case where
3580 * a dummy STA entry is used for now.
3582 wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)");
3583 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
3586 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
3587 params->listen_interval);
3588 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
3589 params->listen_interval))
3591 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
3592 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
3593 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
3597 if (params->vht_opmode_enabled) {
3598 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
3599 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
3600 params->vht_opmode))
3604 if (params->supp_channels) {
3605 wpa_hexdump(MSG_DEBUG, " * supported channels",
3606 params->supp_channels, params->supp_channels_len);
3607 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
3608 params->supp_channels_len, params->supp_channels))
3612 if (params->supp_oper_classes) {
3613 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
3614 params->supp_oper_classes,
3615 params->supp_oper_classes_len);
3616 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
3617 params->supp_oper_classes_len,
3618 params->supp_oper_classes))
3622 os_memset(&upd, 0, sizeof(upd));
3623 upd.set = sta_flags_nl80211(params->flags);
3624 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
3625 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
3627 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
3631 if (params->plink_state &&
3632 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
3633 sta_plink_state_nl80211(params->plink_state)))
3635 #endif /* CONFIG_MESH */
3637 if (params->flags & WPA_STA_WMM) {
3638 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
3640 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
3642 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
3643 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
3644 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
3645 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
3646 WMM_QOSINFO_STA_SP_MASK))
3648 nla_nest_end(msg, wme);
3651 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3654 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
3655 "result: %d (%s)", params->set ? "SET" : "NEW", ret,
3665 static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
3667 #ifdef CONFIG_LIBNL3_ROUTE
3668 struct wpa_driver_nl80211_data *drv = bss->drv;
3669 struct rtnl_neigh *rn;
3670 struct nl_addr *nl_addr;
3673 rn = rtnl_neigh_alloc();
3677 rtnl_neigh_set_family(rn, AF_BRIDGE);
3678 rtnl_neigh_set_ifindex(rn, bss->ifindex);
3679 nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN);
3684 rtnl_neigh_set_lladdr(rn, nl_addr);
3686 err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
3688 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
3689 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
3690 bss->ifindex, nl_geterror(err));
3692 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
3693 MACSTR, MAC2STR(addr));
3696 nl_addr_put(nl_addr);
3698 #endif /* CONFIG_LIBNL3_ROUTE */
3702 static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
3703 int deauth, u16 reason_code)
3705 struct wpa_driver_nl80211_data *drv = bss->drv;
3709 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
3710 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3712 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3713 WLAN_FC_STYPE_DISASSOC)) ||
3715 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
3716 WLAN_FC_STYPE_DEAUTH)) ||
3718 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
3723 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
3724 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
3726 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
3729 rtnl_neigh_delete_fdb_entry(bss, addr);
3737 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
3740 struct wpa_driver_nl80211_data *drv2;
3742 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
3744 /* stop listening for EAPOL on this interface */
3745 dl_list_for_each(drv2, &drv->global->interfaces,
3746 struct wpa_driver_nl80211_data, list)
3747 del_ifidx(drv2, ifidx);
3749 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
3750 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
3752 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
3756 static const char * nl80211_iftype_str(enum nl80211_iftype mode)
3759 case NL80211_IFTYPE_ADHOC:
3761 case NL80211_IFTYPE_STATION:
3763 case NL80211_IFTYPE_AP:
3765 case NL80211_IFTYPE_AP_VLAN:
3767 case NL80211_IFTYPE_WDS:
3769 case NL80211_IFTYPE_MONITOR:
3771 case NL80211_IFTYPE_MESH_POINT:
3772 return "MESH_POINT";
3773 case NL80211_IFTYPE_P2P_CLIENT:
3774 return "P2P_CLIENT";
3775 case NL80211_IFTYPE_P2P_GO:
3777 case NL80211_IFTYPE_P2P_DEVICE:
3778 return "P2P_DEVICE";
3785 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
3787 enum nl80211_iftype iftype,
3788 const u8 *addr, int wds,
3789 int (*handler)(struct nl_msg *, void *),
3796 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
3797 iftype, nl80211_iftype_str(iftype));
3799 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
3801 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
3802 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
3805 if (iftype == NL80211_IFTYPE_MONITOR) {
3806 struct nlattr *flags;
3808 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
3810 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
3813 nla_nest_end(msg, flags);
3815 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
3820 * Tell cfg80211 that the interface belongs to the socket that created
3821 * it, and the interface should be deleted when the socket is closed.
3823 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
3826 ret = send_and_recv_msgs(drv, msg, handler, arg);
3831 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
3832 ifname, ret, strerror(-ret));
3836 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
3839 ifidx = if_nametoindex(ifname);
3840 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
3847 * Some virtual interfaces need to process EAPOL packets and events on
3848 * the parent interface. This is used mainly with hostapd.
3851 iftype == NL80211_IFTYPE_AP_VLAN ||
3852 iftype == NL80211_IFTYPE_WDS ||
3853 iftype == NL80211_IFTYPE_MONITOR) {
3854 /* start listening for EAPOL on this interface */
3855 add_ifidx(drv, ifidx);
3858 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
3859 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
3860 nl80211_remove_iface(drv, ifidx);
3868 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
3869 const char *ifname, enum nl80211_iftype iftype,
3870 const u8 *addr, int wds,
3871 int (*handler)(struct nl_msg *, void *),
3872 void *arg, int use_existing)
3876 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
3879 /* if error occurred and interface exists already */
3880 if (ret == -ENFILE && if_nametoindex(ifname)) {
3882 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
3884 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
3885 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
3887 (linux_set_iface_flags(drv->global->ioctl_sock,
3889 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
3891 linux_set_iface_flags(drv->global->ioctl_sock,
3896 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
3898 /* Try to remove the interface that was already there. */
3899 nl80211_remove_iface(drv, if_nametoindex(ifname));
3901 /* Try to create the interface again */
3902 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
3906 if (ret >= 0 && is_p2p_net_interface(iftype)) {
3907 wpa_printf(MSG_DEBUG,
3908 "nl80211: Interface %s created for P2P - disable 11b rates",
3910 nl80211_disable_11b_rates(drv, ret, 1);
3917 static int nl80211_setup_ap(struct i802_bss *bss)
3919 struct wpa_driver_nl80211_data *drv = bss->drv;
3921 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
3922 bss->ifname, drv->device_ap_sme, drv->use_monitor);
3925 * Disable Probe Request reporting unless we need it in this way for
3926 * devices that include the AP SME, in the other case (unless using
3927 * monitor iface) we'll get it through the nl_mgmt socket instead.
3929 if (!drv->device_ap_sme)
3930 wpa_driver_nl80211_probe_req_report(bss, 0);
3932 if (!drv->device_ap_sme && !drv->use_monitor)
3933 if (nl80211_mgmt_subscribe_ap(bss))
3936 if (drv->device_ap_sme && !drv->use_monitor)
3937 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
3940 if (!drv->device_ap_sme && drv->use_monitor &&
3941 nl80211_create_monitor_interface(drv) &&
3942 !drv->device_ap_sme)
3945 if (drv->device_ap_sme &&
3946 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
3947 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
3948 "Probe Request frame reporting in AP mode");
3949 /* Try to survive without this */
3956 static void nl80211_teardown_ap(struct i802_bss *bss)
3958 struct wpa_driver_nl80211_data *drv = bss->drv;
3960 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
3961 bss->ifname, drv->device_ap_sme, drv->use_monitor);
3962 if (drv->device_ap_sme) {
3963 wpa_driver_nl80211_probe_req_report(bss, 0);
3964 if (!drv->use_monitor)
3965 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
3966 } else if (drv->use_monitor)
3967 nl80211_remove_monitor_interface(drv);
3969 nl80211_mgmt_unsubscribe(bss, "AP teardown");
3971 bss->beacon_set = 0;
3975 static int nl80211_send_eapol_data(struct i802_bss *bss,
3976 const u8 *addr, const u8 *data,
3979 struct sockaddr_ll ll;
3982 if (bss->drv->eapol_tx_sock < 0) {
3983 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
3987 os_memset(&ll, 0, sizeof(ll));
3988 ll.sll_family = AF_PACKET;
3989 ll.sll_ifindex = bss->ifindex;
3990 ll.sll_protocol = htons(ETH_P_PAE);
3991 ll.sll_halen = ETH_ALEN;
3992 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
3993 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
3994 (struct sockaddr *) &ll, sizeof(ll));
3996 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
4003 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4005 static int wpa_driver_nl80211_hapd_send_eapol(
4006 void *priv, const u8 *addr, const u8 *data,
4007 size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
4009 struct i802_bss *bss = priv;
4010 struct wpa_driver_nl80211_data *drv = bss->drv;
4011 struct ieee80211_hdr *hdr;
4015 int qos = flags & WPA_STA_WMM;
4017 if (drv->device_ap_sme || !drv->use_monitor)
4018 return nl80211_send_eapol_data(bss, addr, data, data_len);
4020 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
4022 hdr = os_zalloc(len);
4024 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4025 (unsigned long) len);
4029 hdr->frame_control =
4030 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
4031 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
4033 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
4035 hdr->frame_control |=
4036 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
4039 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
4040 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
4041 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
4042 pos = (u8 *) (hdr + 1);
4045 /* Set highest priority in QoS header */
4051 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
4052 pos += sizeof(rfc1042_header);
4053 WPA_PUT_BE16(pos, ETH_P_PAE);
4055 memcpy(pos, data, data_len);
4057 res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0,
4060 wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
4062 (unsigned long) len, errno, strerror(errno));
4070 static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
4072 int flags_or, int flags_and)
4074 struct i802_bss *bss = priv;
4076 struct nlattr *flags;
4077 struct nl80211_sta_flag_update upd;
4079 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4080 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4081 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
4082 !!(total_flags & WPA_STA_AUTHORIZED));
4084 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
4085 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
4089 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4090 * can be removed eventually.
4092 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
4094 ((total_flags & WPA_STA_AUTHORIZED) &&
4095 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
4096 ((total_flags & WPA_STA_WMM) &&
4097 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
4098 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
4099 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
4100 ((total_flags & WPA_STA_MFP) &&
4101 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
4102 ((total_flags & WPA_STA_TDLS_PEER) &&
4103 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
4106 nla_nest_end(msg, flags);
4108 os_memset(&upd, 0, sizeof(upd));
4109 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
4110 upd.set = sta_flags_nl80211(flags_or);
4111 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
4114 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
4121 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
4122 struct wpa_driver_associate_params *params)
4124 enum nl80211_iftype nlmode, old_mode;
4127 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
4129 nlmode = NL80211_IFTYPE_P2P_GO;
4131 nlmode = NL80211_IFTYPE_AP;
4133 old_mode = drv->nlmode;
4134 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
4135 nl80211_remove_monitor_interface(drv);
4139 if (nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) {
4140 if (old_mode != nlmode)
4141 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
4142 nl80211_remove_monitor_interface(drv);
4150 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
4156 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
4157 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4159 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
4160 "(%s)", ret, strerror(-ret));
4162 wpa_printf(MSG_DEBUG,
4163 "nl80211: Leave IBSS request sent successfully");
4167 wpa_driver_nl80211_set_mode(drv->first_bss,
4168 NL80211_IFTYPE_STATION)) {
4169 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4177 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
4178 struct wpa_driver_associate_params *params)
4184 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
4186 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) {
4187 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
4193 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
4194 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
4197 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4198 params->ssid, params->ssid_len);
4199 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
4201 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4202 drv->ssid_len = params->ssid_len;
4204 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
4205 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", params->freq.ht_enabled);
4206 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
4207 params->freq.sec_channel_offset);
4208 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", params->freq.vht_enabled);
4209 wpa_printf(MSG_DEBUG, " * center_freq1=%d", params->freq.center_freq1);
4210 wpa_printf(MSG_DEBUG, " * center_freq2=%d", params->freq.center_freq2);
4211 wpa_printf(MSG_DEBUG, " * bandwidth=%d", params->freq.bandwidth);
4212 if (nl80211_put_freq_params(msg, ¶ms->freq) < 0)
4215 if (params->beacon_int > 0) {
4216 wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int);
4217 if (nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
4218 params->beacon_int))
4222 ret = nl80211_set_conn_keys(params, msg);
4226 if (params->bssid && params->fixed_bssid) {
4227 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
4228 MAC2STR(params->bssid));
4229 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4233 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4234 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4235 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4236 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) {
4237 wpa_printf(MSG_DEBUG, " * control port");
4238 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4242 if (params->wpa_ie) {
4243 wpa_hexdump(MSG_DEBUG,
4244 " * Extra IEs for Beacon/Probe Response frames",
4245 params->wpa_ie, params->wpa_ie_len);
4246 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
4251 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4254 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
4255 ret, strerror(-ret));
4257 if (ret == -EALREADY && count == 1) {
4258 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
4260 nl80211_leave_ibss(drv, 0);
4265 wpa_printf(MSG_DEBUG,
4266 "nl80211: Join IBSS request sent successfully");
4275 static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
4276 struct wpa_driver_associate_params *params,
4279 if (params->bssid) {
4280 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4281 MAC2STR(params->bssid));
4282 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4286 if (params->bssid_hint) {
4287 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
4288 MAC2STR(params->bssid_hint));
4289 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
4290 params->bssid_hint))
4294 if (params->freq.freq) {
4295 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
4296 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
4299 drv->assoc_freq = params->freq.freq;
4301 drv->assoc_freq = 0;
4303 if (params->freq_hint) {
4304 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
4305 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
4310 if (params->bg_scan_period >= 0) {
4311 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
4312 params->bg_scan_period);
4313 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
4314 params->bg_scan_period))
4319 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
4320 params->ssid, params->ssid_len);
4321 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4324 if (params->ssid_len > sizeof(drv->ssid))
4326 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
4327 drv->ssid_len = params->ssid_len;
4330 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
4331 if (params->wpa_ie &&
4332 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
4335 if (params->wpa_proto) {
4336 enum nl80211_wpa_versions ver = 0;
4338 if (params->wpa_proto & WPA_PROTO_WPA)
4339 ver |= NL80211_WPA_VERSION_1;
4340 if (params->wpa_proto & WPA_PROTO_RSN)
4341 ver |= NL80211_WPA_VERSION_2;
4343 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
4344 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
4348 if (params->pairwise_suite != WPA_CIPHER_NONE) {
4349 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
4350 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
4351 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
4356 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
4357 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
4359 * This is likely to work even though many drivers do not
4360 * advertise support for operations without GTK.
4362 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4363 } else if (params->group_suite != WPA_CIPHER_NONE) {
4364 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
4365 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
4366 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
4370 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
4371 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4372 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
4373 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
4374 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
4375 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
4376 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
4377 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4378 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
4379 int mgmt = WLAN_AKM_SUITE_PSK;
4381 switch (params->key_mgmt_suite) {
4382 case WPA_KEY_MGMT_CCKM:
4383 mgmt = WLAN_AKM_SUITE_CCKM;
4385 case WPA_KEY_MGMT_IEEE8021X:
4386 mgmt = WLAN_AKM_SUITE_8021X;
4388 case WPA_KEY_MGMT_FT_IEEE8021X:
4389 mgmt = WLAN_AKM_SUITE_FT_8021X;
4391 case WPA_KEY_MGMT_FT_PSK:
4392 mgmt = WLAN_AKM_SUITE_FT_PSK;
4394 case WPA_KEY_MGMT_IEEE8021X_SHA256:
4395 mgmt = WLAN_AKM_SUITE_8021X_SHA256;
4397 case WPA_KEY_MGMT_PSK_SHA256:
4398 mgmt = WLAN_AKM_SUITE_PSK_SHA256;
4400 case WPA_KEY_MGMT_OSEN:
4401 mgmt = WLAN_AKM_SUITE_OSEN;
4403 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
4404 mgmt = WLAN_AKM_SUITE_8021X_SUITE_B;
4406 case WPA_KEY_MGMT_PSK:
4408 mgmt = WLAN_AKM_SUITE_PSK;
4411 wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt);
4412 if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt))
4416 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT))
4419 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
4420 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
4423 if (params->rrm_used) {
4424 u32 drv_rrm_flags = drv->capa.rrm_flags;
4425 if (!(drv_rrm_flags &
4426 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) ||
4427 !(drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET) ||
4428 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
4432 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
4435 if (params->htcaps && params->htcaps_mask) {
4436 int sz = sizeof(struct ieee80211_ht_capabilities);
4437 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
4438 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
4439 params->htcaps_mask, sz);
4440 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
4442 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
4443 params->htcaps_mask))
4447 #ifdef CONFIG_VHT_OVERRIDES
4448 if (params->disable_vht) {
4449 wpa_printf(MSG_DEBUG, " * VHT disabled");
4450 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
4454 if (params->vhtcaps && params->vhtcaps_mask) {
4455 int sz = sizeof(struct ieee80211_vht_capabilities);
4456 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
4457 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
4458 params->vhtcaps_mask, sz);
4459 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
4461 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
4462 params->vhtcaps_mask))
4465 #endif /* CONFIG_VHT_OVERRIDES */
4468 wpa_printf(MSG_DEBUG, " * P2P group");
4474 static int wpa_driver_nl80211_try_connect(
4475 struct wpa_driver_nl80211_data *drv,
4476 struct wpa_driver_associate_params *params)
4479 enum nl80211_auth_type type;
4483 if (params->req_key_mgmt_offload && params->psk &&
4484 (params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
4485 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
4486 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) {
4487 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
4488 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
4493 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
4494 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
4498 ret = nl80211_connect_common(drv, params, msg);
4503 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4505 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4507 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4510 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
4512 goto skip_auth_type;
4515 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
4516 type = NL80211_AUTHTYPE_OPEN_SYSTEM;
4517 else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
4518 type = NL80211_AUTHTYPE_SHARED_KEY;
4519 else if (params->auth_alg & WPA_AUTH_ALG_LEAP)
4520 type = NL80211_AUTHTYPE_NETWORK_EAP;
4521 else if (params->auth_alg & WPA_AUTH_ALG_FT)
4522 type = NL80211_AUTHTYPE_FT;
4526 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
4527 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
4531 ret = nl80211_set_conn_keys(params, msg);
4535 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4538 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
4539 "(%s)", ret, strerror(-ret));
4541 wpa_printf(MSG_DEBUG,
4542 "nl80211: Connect request send successfully");
4552 static int wpa_driver_nl80211_connect(
4553 struct wpa_driver_nl80211_data *drv,
4554 struct wpa_driver_associate_params *params)
4558 /* Store the connection attempted bssid for future use */
4560 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
4562 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
4564 ret = wpa_driver_nl80211_try_connect(drv, params);
4565 if (ret == -EALREADY) {
4567 * cfg80211 does not currently accept new connections if
4568 * we are already connected. As a workaround, force
4569 * disconnection and try again.
4571 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
4572 "disconnecting before reassociation "
4574 if (wpa_driver_nl80211_disconnect(
4575 drv, WLAN_REASON_PREV_AUTH_NOT_VALID))
4577 ret = wpa_driver_nl80211_try_connect(drv, params);
4583 static int wpa_driver_nl80211_associate(
4584 void *priv, struct wpa_driver_associate_params *params)
4586 struct i802_bss *bss = priv;
4587 struct wpa_driver_nl80211_data *drv = bss->drv;
4591 nl80211_unmask_11b_rates(bss);
4593 if (params->mode == IEEE80211_MODE_AP)
4594 return wpa_driver_nl80211_ap(drv, params);
4596 if (params->mode == IEEE80211_MODE_IBSS)
4597 return wpa_driver_nl80211_ibss(drv, params);
4599 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
4600 enum nl80211_iftype nlmode = params->p2p ?
4601 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
4603 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
4605 return wpa_driver_nl80211_connect(drv, params);
4608 nl80211_mark_disconnected(drv);
4610 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
4612 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
4616 ret = nl80211_connect_common(drv, params, msg);
4620 if (params->prev_bssid) {
4621 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
4622 MAC2STR(params->prev_bssid));
4623 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
4624 params->prev_bssid))
4628 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4631 wpa_dbg(drv->ctx, MSG_DEBUG,
4632 "nl80211: MLME command failed (assoc): ret=%d (%s)",
4633 ret, strerror(-ret));
4634 nl80211_dump_scan(drv);
4636 wpa_printf(MSG_DEBUG,
4637 "nl80211: Association request send successfully");
4646 static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
4647 int ifindex, enum nl80211_iftype mode)
4652 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
4653 ifindex, mode, nl80211_iftype_str(mode));
4655 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
4656 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
4659 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4665 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
4666 " %d (%s)", ifindex, mode, ret, strerror(-ret));
4671 static int wpa_driver_nl80211_set_mode_impl(
4672 struct i802_bss *bss,
4673 enum nl80211_iftype nlmode,
4674 struct hostapd_freq_params *desired_freq_params)
4676 struct wpa_driver_nl80211_data *drv = bss->drv;
4679 int was_ap = is_ap_interface(drv->nlmode);
4681 int mode_switch_res;
4683 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4684 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
4685 mode_switch_res = 0;
4687 if (mode_switch_res == 0) {
4688 drv->nlmode = nlmode;
4693 if (mode_switch_res == -ENODEV)
4696 if (nlmode == drv->nlmode) {
4697 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
4698 "requested mode - ignore error");
4700 goto done; /* Already in the requested mode */
4703 /* mac80211 doesn't allow mode changes while the device is up, so
4704 * take the device down, try to set the mode again, and bring the
4707 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
4709 for (i = 0; i < 10; i++) {
4710 res = i802_set_iface_flags(bss, 0);
4711 if (res == -EACCES || res == -ENODEV)
4714 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
4716 os_sleep(0, 100000);
4721 * Setting the mode will fail for some drivers if the phy is
4722 * on a frequency that the mode is disallowed in.
4724 if (desired_freq_params) {
4725 res = nl80211_set_channel(bss, desired_freq_params, 0);
4727 wpa_printf(MSG_DEBUG,
4728 "nl80211: Failed to set frequency on interface");
4732 /* Try to set the mode again while the interface is down */
4733 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
4734 if (mode_switch_res == -EBUSY) {
4735 wpa_printf(MSG_DEBUG,
4736 "nl80211: Delaying mode set while interface going down");
4737 os_sleep(0, 100000);
4740 ret = mode_switch_res;
4745 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
4746 "interface is down");
4747 drv->nlmode = nlmode;
4748 drv->ignore_if_down_event = 1;
4751 /* Bring the interface back up */
4752 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
4754 wpa_printf(MSG_DEBUG,
4755 "nl80211: Failed to set interface up after switching mode");
4761 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
4762 "from %d failed", nlmode, drv->nlmode);
4766 if (is_p2p_net_interface(nlmode)) {
4767 wpa_printf(MSG_DEBUG,
4768 "nl80211: Interface %s mode change to P2P - disable 11b rates",
4770 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
4771 } else if (drv->disabled_11b_rates) {
4772 wpa_printf(MSG_DEBUG,
4773 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
4775 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
4778 if (is_ap_interface(nlmode)) {
4779 nl80211_mgmt_unsubscribe(bss, "start AP");
4780 /* Setup additional AP mode functionality if needed */
4781 if (nl80211_setup_ap(bss))
4783 } else if (was_ap) {
4784 /* Remove additional AP mode functionality */
4785 nl80211_teardown_ap(bss);
4787 nl80211_mgmt_unsubscribe(bss, "mode change");
4790 if (is_mesh_interface(nlmode) &&
4791 nl80211_mgmt_subscribe_mesh(bss))
4794 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
4795 !is_mesh_interface(nlmode) &&
4796 nl80211_mgmt_subscribe_non_ap(bss) < 0)
4797 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
4798 "frame processing - ignore for now");
4804 int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
4805 enum nl80211_iftype nlmode)
4807 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
4811 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
4812 struct hostapd_freq_params *freq)
4814 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
4819 static int wpa_driver_nl80211_get_capa(void *priv,
4820 struct wpa_driver_capa *capa)
4822 struct i802_bss *bss = priv;
4823 struct wpa_driver_nl80211_data *drv = bss->drv;
4825 if (!drv->has_capability)
4827 os_memcpy(capa, &drv->capa, sizeof(*capa));
4828 if (drv->extended_capa && drv->extended_capa_mask) {
4829 capa->extended_capa = drv->extended_capa;
4830 capa->extended_capa_mask = drv->extended_capa_mask;
4831 capa->extended_capa_len = drv->extended_capa_len;
4838 static int wpa_driver_nl80211_set_operstate(void *priv, int state)
4840 struct i802_bss *bss = priv;
4841 struct wpa_driver_nl80211_data *drv = bss->drv;
4843 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
4844 bss->ifname, drv->operstate, state,
4845 state ? "UP" : "DORMANT");
4846 drv->operstate = state;
4847 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
4848 state ? IF_OPER_UP : IF_OPER_DORMANT);
4852 static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
4854 struct i802_bss *bss = priv;
4855 struct wpa_driver_nl80211_data *drv = bss->drv;
4857 struct nl80211_sta_flag_update upd;
4860 if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) {
4861 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
4865 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
4866 MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid));
4868 os_memset(&upd, 0, sizeof(upd));
4869 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
4871 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
4873 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
4874 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) ||
4875 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
4880 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4883 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
4884 ret, strerror(-ret));
4889 /* Set kernel driver on given frequency (MHz) */
4890 static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
4892 struct i802_bss *bss = priv;
4893 return nl80211_set_channel(bss, freq, 0);
4897 static inline int min_int(int a, int b)
4905 static int get_key_handler(struct nl_msg *msg, void *arg)
4907 struct nlattr *tb[NL80211_ATTR_MAX + 1];
4908 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
4910 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
4911 genlmsg_attrlen(gnlh, 0), NULL);
4914 * TODO: validate the key index and mac address!
4915 * Otherwise, there's a race condition as soon as
4916 * the kernel starts sending key notifications.
4919 if (tb[NL80211_ATTR_KEY_SEQ])
4920 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
4921 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
4926 static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
4929 struct i802_bss *bss = priv;
4930 struct wpa_driver_nl80211_data *drv = bss->drv;
4933 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
4934 NL80211_CMD_GET_KEY);
4936 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
4937 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
4944 return send_and_recv_msgs(drv, msg, get_key_handler, seq);
4948 static int i802_set_rts(void *priv, int rts)
4950 struct i802_bss *bss = priv;
4951 struct wpa_driver_nl80211_data *drv = bss->drv;
4961 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
4962 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
4967 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4970 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
4971 "%d (%s)", rts, ret, strerror(-ret));
4976 static int i802_set_frag(void *priv, int frag)
4978 struct i802_bss *bss = priv;
4979 struct wpa_driver_nl80211_data *drv = bss->drv;
4989 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
4990 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
4995 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
4998 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
4999 "%d: %d (%s)", frag, ret, strerror(-ret));
5004 static int i802_flush(void *priv)
5006 struct i802_bss *bss = priv;
5010 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
5014 * XXX: FIX! this needs to flush all VLANs too
5016 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
5017 res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
5019 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
5020 "(%s)", res, strerror(-res));
5026 static int get_sta_handler(struct nl_msg *msg, void *arg)
5028 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5029 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5030 struct hostap_sta_driver_data *data = arg;
5031 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
5032 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
5033 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
5034 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
5035 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
5036 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
5037 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
5038 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
5041 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5042 genlmsg_attrlen(gnlh, 0), NULL);
5045 * TODO: validate the interface and mac address!
5046 * Otherwise, there's a race condition as soon as
5047 * the kernel starts sending station notifications.
5050 if (!tb[NL80211_ATTR_STA_INFO]) {
5051 wpa_printf(MSG_DEBUG, "sta stats missing!");
5054 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
5055 tb[NL80211_ATTR_STA_INFO],
5057 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
5061 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
5062 data->inactive_msec =
5063 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
5064 if (stats[NL80211_STA_INFO_RX_BYTES])
5065 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
5066 if (stats[NL80211_STA_INFO_TX_BYTES])
5067 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
5068 if (stats[NL80211_STA_INFO_RX_PACKETS])
5070 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
5071 if (stats[NL80211_STA_INFO_TX_PACKETS])
5073 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
5074 if (stats[NL80211_STA_INFO_TX_FAILED])
5075 data->tx_retry_failed =
5076 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
5081 static int i802_read_sta_data(struct i802_bss *bss,
5082 struct hostap_sta_driver_data *data,
5087 os_memset(data, 0, sizeof(*data));
5089 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
5090 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
5095 return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
5099 static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
5100 int cw_min, int cw_max, int burst_time)
5102 struct i802_bss *bss = priv;
5103 struct wpa_driver_nl80211_data *drv = bss->drv;
5105 struct nlattr *txq, *params;
5107 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
5111 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
5115 /* We are only sending parameters for a single TXQ at a time */
5116 params = nla_nest_start(msg, 1);
5122 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
5126 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
5130 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
5134 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
5138 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5139 * 32 usec, so need to convert the value here. */
5140 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
5141 (burst_time * 100 + 16) / 32) ||
5142 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
5143 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
5144 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
5147 nla_nest_end(msg, params);
5149 nla_nest_end(msg, txq);
5151 if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
5160 static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
5161 const char *ifname, int vlan_id)
5163 struct wpa_driver_nl80211_data *drv = bss->drv;
5167 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5168 ", ifname=%s[%d], vlan_id=%d)",
5169 bss->ifname, if_nametoindex(bss->ifname),
5170 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
5171 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
5172 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5173 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
5178 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
5180 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5181 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
5182 MAC2STR(addr), ifname, vlan_id, ret,
5189 static int i802_get_inact_sec(void *priv, const u8 *addr)
5191 struct hostap_sta_driver_data data;
5194 data.inactive_msec = (unsigned long) -1;
5195 ret = i802_read_sta_data(priv, &data, addr);
5196 if (ret || data.inactive_msec == (unsigned long) -1)
5198 return data.inactive_msec / 1000;
5202 static int i802_sta_clear_stats(void *priv, const u8 *addr)
5211 static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
5214 struct i802_bss *bss = priv;
5215 struct wpa_driver_nl80211_data *drv = bss->drv;
5216 struct ieee80211_mgmt mgmt;
5218 if (is_mesh_interface(drv->nlmode))
5221 if (drv->device_ap_sme)
5222 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
5224 memset(&mgmt, 0, sizeof(mgmt));
5225 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5226 WLAN_FC_STYPE_DEAUTH);
5227 memcpy(mgmt.da, addr, ETH_ALEN);
5228 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5229 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5230 mgmt.u.deauth.reason_code = host_to_le16(reason);
5231 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5233 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
5238 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
5241 struct i802_bss *bss = priv;
5242 struct wpa_driver_nl80211_data *drv = bss->drv;
5243 struct ieee80211_mgmt mgmt;
5245 if (is_mesh_interface(drv->nlmode))
5248 if (drv->device_ap_sme)
5249 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
5251 memset(&mgmt, 0, sizeof(mgmt));
5252 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
5253 WLAN_FC_STYPE_DISASSOC);
5254 memcpy(mgmt.da, addr, ETH_ALEN);
5255 memcpy(mgmt.sa, own_addr, ETH_ALEN);
5256 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
5257 mgmt.u.disassoc.reason_code = host_to_le16(reason);
5258 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
5260 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
5265 static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
5267 char buf[200], *pos, *end;
5271 end = pos + sizeof(buf);
5273 for (i = 0; i < drv->num_if_indices; i++) {
5274 if (!drv->if_indices[i])
5276 res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]);
5277 if (os_snprintf_error(end - pos, res))
5283 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
5284 drv->num_if_indices, buf);
5288 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5293 wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
5295 if (have_ifidx(drv, ifidx)) {
5296 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
5300 for (i = 0; i < drv->num_if_indices; i++) {
5301 if (drv->if_indices[i] == 0) {
5302 drv->if_indices[i] = ifidx;
5308 if (drv->if_indices != drv->default_if_indices)
5309 old = drv->if_indices;
5313 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
5315 if (!drv->if_indices) {
5317 drv->if_indices = drv->default_if_indices;
5319 drv->if_indices = old;
5320 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
5322 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
5325 os_memcpy(drv->if_indices, drv->default_if_indices,
5326 sizeof(drv->default_if_indices));
5327 drv->if_indices[drv->num_if_indices] = ifidx;
5328 drv->num_if_indices++;
5333 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5337 for (i = 0; i < drv->num_if_indices; i++) {
5338 if (drv->if_indices[i] == ifidx) {
5339 drv->if_indices[i] = 0;
5347 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
5351 for (i = 0; i < drv->num_if_indices; i++)
5352 if (drv->if_indices[i] == ifidx)
5359 static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
5360 const char *bridge_ifname, char *ifname_wds)
5362 struct i802_bss *bss = priv;
5363 struct wpa_driver_nl80211_data *drv = bss->drv;
5364 char name[IFNAMSIZ + 1];
5366 os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
5368 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
5370 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
5371 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
5373 if (!if_nametoindex(name)) {
5374 if (nl80211_create_iface(drv, name,
5375 NL80211_IFTYPE_AP_VLAN,
5376 bss->addr, 1, NULL, NULL, 0) <
5379 if (bridge_ifname &&
5380 linux_br_add_if(drv->global->ioctl_sock,
5381 bridge_ifname, name) < 0)
5384 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
5385 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
5386 "interface %s up", name);
5388 return i802_set_sta_vlan(priv, addr, name, 0);
5391 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
5394 i802_set_sta_vlan(priv, addr, bss->ifname, 0);
5395 nl80211_remove_iface(drv, if_nametoindex(name));
5401 static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
5403 struct wpa_driver_nl80211_data *drv = eloop_ctx;
5404 struct sockaddr_ll lladdr;
5405 unsigned char buf[3000];
5407 socklen_t fromlen = sizeof(lladdr);
5409 len = recvfrom(sock, buf, sizeof(buf), 0,
5410 (struct sockaddr *)&lladdr, &fromlen);
5412 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
5417 if (have_ifidx(drv, lladdr.sll_ifindex))
5418 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
5422 static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
5423 struct i802_bss *bss,
5424 const char *brname, const char *ifname)
5427 char in_br[IFNAMSIZ];
5429 os_strlcpy(bss->brname, brname, IFNAMSIZ);
5430 br_ifindex = if_nametoindex(brname);
5431 if (br_ifindex == 0) {
5433 * Bridge was configured, but the bridge device does
5434 * not exist. Try to add it now.
5436 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
5437 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
5438 "bridge interface %s: %s",
5439 brname, strerror(errno));
5442 bss->added_bridge = 1;
5443 br_ifindex = if_nametoindex(brname);
5444 add_ifidx(drv, br_ifindex);
5446 bss->br_ifindex = br_ifindex;
5448 if (linux_br_get(in_br, ifname) == 0) {
5449 if (os_strcmp(in_br, brname) == 0)
5450 return 0; /* already in the bridge */
5452 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
5453 "bridge %s", ifname, in_br);
5454 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
5456 wpa_printf(MSG_ERROR, "nl80211: Failed to "
5457 "remove interface %s from bridge "
5459 ifname, brname, strerror(errno));
5464 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
5466 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
5467 wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
5468 "into bridge %s: %s",
5469 ifname, brname, strerror(errno));
5472 bss->added_if_into_bridge = 1;
5478 static void *i802_init(struct hostapd_data *hapd,
5479 struct wpa_init_params *params)
5481 struct wpa_driver_nl80211_data *drv;
5482 struct i802_bss *bss;
5484 char brname[IFNAMSIZ];
5485 int ifindex, br_ifindex;
5488 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
5489 params->global_priv, 1,
5490 params->bssid, params->driver_params);
5496 if (linux_br_get(brname, params->ifname) == 0) {
5497 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
5498 params->ifname, brname);
5499 br_ifindex = if_nametoindex(brname);
5500 os_strlcpy(bss->brname, brname, IFNAMSIZ);
5505 bss->br_ifindex = br_ifindex;
5507 for (i = 0; i < params->num_bridge; i++) {
5508 if (params->bridge[i]) {
5509 ifindex = if_nametoindex(params->bridge[i]);
5511 add_ifidx(drv, ifindex);
5512 if (ifindex == br_ifindex)
5517 /* start listening for EAPOL on the default AP interface */
5518 add_ifidx(drv, drv->ifindex);
5520 if (params->num_bridge && params->bridge[0]) {
5521 if (i802_check_bridge(drv, bss, params->bridge[0],
5522 params->ifname) < 0)
5524 if (os_strcmp(params->bridge[0], brname) != 0)
5528 if (!br_added && br_ifindex &&
5529 (params->num_bridge == 0 || !params->bridge[0]))
5530 add_ifidx(drv, br_ifindex);
5532 #ifdef CONFIG_LIBNL3_ROUTE
5533 if (bss->added_if_into_bridge) {
5534 drv->rtnl_sk = nl_socket_alloc();
5535 if (drv->rtnl_sk == NULL) {
5536 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
5540 if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) {
5541 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
5546 #endif /* CONFIG_LIBNL3_ROUTE */
5548 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
5549 if (drv->eapol_sock < 0) {
5550 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
5555 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
5557 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
5561 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
5564 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
5566 memcpy(bss->addr, params->own_addr, ETH_ALEN);
5571 wpa_driver_nl80211_deinit(bss);
5576 static void i802_deinit(void *priv)
5578 struct i802_bss *bss = priv;
5579 wpa_driver_nl80211_deinit(bss);
5583 static enum nl80211_iftype wpa_driver_nl80211_if_type(
5584 enum wpa_driver_if_type type)
5587 case WPA_IF_STATION:
5588 return NL80211_IFTYPE_STATION;
5589 case WPA_IF_P2P_CLIENT:
5590 case WPA_IF_P2P_GROUP:
5591 return NL80211_IFTYPE_P2P_CLIENT;
5592 case WPA_IF_AP_VLAN:
5593 return NL80211_IFTYPE_AP_VLAN;
5595 return NL80211_IFTYPE_AP;
5597 return NL80211_IFTYPE_P2P_GO;
5598 case WPA_IF_P2P_DEVICE:
5599 return NL80211_IFTYPE_P2P_DEVICE;
5601 return NL80211_IFTYPE_MESH_POINT;
5607 #if defined(CONFIG_P2P) || defined(CONFIG_MESH)
5609 static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
5611 struct wpa_driver_nl80211_data *drv;
5612 dl_list_for_each(drv, &global->interfaces,
5613 struct wpa_driver_nl80211_data, list) {
5614 if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0)
5621 static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
5628 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
5629 for (idx = 0; idx < 64; idx++) {
5630 new_addr[0] = drv->first_bss->addr[0] | 0x02;
5631 new_addr[0] ^= idx << 2;
5632 if (!nl80211_addr_in_use(drv->global, new_addr))
5638 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
5639 MACSTR, MAC2STR(new_addr));
5644 #endif /* CONFIG_P2P || CONFIG_MESH */
5650 u8 macaddr[ETH_ALEN];
5653 static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
5655 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5656 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5657 struct wdev_info *wi = arg;
5659 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5660 genlmsg_attrlen(gnlh, 0), NULL);
5661 if (tb[NL80211_ATTR_WDEV]) {
5662 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
5663 wi->wdev_id_set = 1;
5666 if (tb[NL80211_ATTR_MAC])
5667 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
5674 static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
5675 const char *ifname, const u8 *addr,
5676 void *bss_ctx, void **drv_priv,
5677 char *force_ifname, u8 *if_addr,
5678 const char *bridge, int use_existing)
5680 enum nl80211_iftype nlmode;
5681 struct i802_bss *bss = priv;
5682 struct wpa_driver_nl80211_data *drv = bss->drv;
5687 os_memcpy(if_addr, addr, ETH_ALEN);
5688 nlmode = wpa_driver_nl80211_if_type(type);
5689 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
5690 struct wdev_info p2pdev_info;
5692 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
5693 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
5694 0, nl80211_wdev_handler,
5695 &p2pdev_info, use_existing);
5696 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
5697 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
5702 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
5703 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
5704 if (!is_zero_ether_addr(p2pdev_info.macaddr))
5705 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
5706 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
5708 (long long unsigned int) p2pdev_info.wdev_id);
5710 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
5711 0, NULL, NULL, use_existing);
5712 if (use_existing && ifidx == -ENFILE) {
5714 ifidx = if_nametoindex(ifname);
5715 } else if (ifidx < 0) {
5721 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
5722 os_memcpy(if_addr, bss->addr, ETH_ALEN);
5723 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
5724 bss->ifname, if_addr) < 0) {
5726 nl80211_remove_iface(drv, ifidx);
5731 #if defined(CONFIG_P2P) || defined(CONFIG_MESH)
5733 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
5734 type == WPA_IF_P2P_GO || type == WPA_IF_MESH)) {
5735 /* Enforce unique P2P Interface Address */
5736 u8 new_addr[ETH_ALEN];
5738 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
5741 nl80211_remove_iface(drv, ifidx);
5744 if (nl80211_addr_in_use(drv->global, new_addr)) {
5745 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
5746 "for %s interface", type == WPA_IF_MESH ?
5747 "mesh" : "P2P group");
5748 if (nl80211_vif_addr(drv, new_addr) < 0) {
5750 nl80211_remove_iface(drv, ifidx);
5753 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
5756 nl80211_remove_iface(drv, ifidx);
5760 os_memcpy(if_addr, new_addr, ETH_ALEN);
5762 #endif /* CONFIG_P2P || CONFIG_MESH */
5764 if (type == WPA_IF_AP_BSS) {
5765 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
5766 if (new_bss == NULL) {
5768 nl80211_remove_iface(drv, ifidx);
5773 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
5774 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
5775 "interface %s to a bridge %s",
5778 nl80211_remove_iface(drv, ifidx);
5783 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
5786 nl80211_remove_iface(drv, ifidx);
5790 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
5791 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
5792 new_bss->ifindex = ifidx;
5794 new_bss->next = drv->first_bss->next;
5795 new_bss->freq = drv->first_bss->freq;
5796 new_bss->ctx = bss_ctx;
5797 new_bss->added_if = added;
5798 drv->first_bss->next = new_bss;
5800 *drv_priv = new_bss;
5801 nl80211_init_bss(new_bss);
5803 /* Subscribe management frames for this WPA_IF_AP_BSS */
5804 if (nl80211_setup_ap(new_bss))
5809 drv->global->if_add_ifindex = ifidx;
5812 * Some virtual interfaces need to process EAPOL packets and events on
5813 * the parent interface. This is used mainly with hostapd.
5817 nlmode == NL80211_IFTYPE_AP_VLAN ||
5818 nlmode == NL80211_IFTYPE_WDS ||
5819 nlmode == NL80211_IFTYPE_MONITOR))
5820 add_ifidx(drv, ifidx);
5826 static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
5827 enum wpa_driver_if_type type,
5830 struct wpa_driver_nl80211_data *drv = bss->drv;
5831 int ifindex = if_nametoindex(ifname);
5833 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
5834 __func__, type, ifname, ifindex, bss->added_if);
5835 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
5836 nl80211_remove_iface(drv, ifindex);
5837 else if (ifindex > 0 && !bss->added_if) {
5838 struct wpa_driver_nl80211_data *drv2;
5839 dl_list_for_each(drv2, &drv->global->interfaces,
5840 struct wpa_driver_nl80211_data, list)
5841 del_ifidx(drv2, ifindex);
5844 if (type != WPA_IF_AP_BSS)
5847 if (bss->added_if_into_bridge) {
5848 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
5850 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
5851 "interface %s from bridge %s: %s",
5852 bss->ifname, bss->brname, strerror(errno));
5854 if (bss->added_bridge) {
5855 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
5856 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
5858 bss->brname, strerror(errno));
5861 if (bss != drv->first_bss) {
5862 struct i802_bss *tbss;
5864 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
5865 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
5866 if (tbss->next == bss) {
5867 tbss->next = bss->next;
5868 /* Unsubscribe management frames */
5869 nl80211_teardown_ap(bss);
5870 nl80211_destroy_bss(bss);
5872 i802_set_iface_flags(bss, 0);
5879 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
5880 "BSS %p in the list", __func__, bss);
5882 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
5883 nl80211_teardown_ap(bss);
5884 if (!bss->added_if && !drv->first_bss->next)
5885 wpa_driver_nl80211_del_beacon(drv);
5886 nl80211_destroy_bss(bss);
5888 i802_set_iface_flags(bss, 0);
5889 if (drv->first_bss->next) {
5890 drv->first_bss = drv->first_bss->next;
5891 drv->ctx = drv->first_bss->ctx;
5894 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
5902 static int cookie_handler(struct nl_msg *msg, void *arg)
5904 struct nlattr *tb[NL80211_ATTR_MAX + 1];
5905 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
5907 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
5908 genlmsg_attrlen(gnlh, 0), NULL);
5909 if (tb[NL80211_ATTR_COOKIE])
5910 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
5915 static int nl80211_send_frame_cmd(struct i802_bss *bss,
5916 unsigned int freq, unsigned int wait,
5917 const u8 *buf, size_t buf_len,
5918 u64 *cookie_out, int no_cck, int no_ack,
5921 struct wpa_driver_nl80211_data *drv = bss->drv;
5926 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
5927 "no_ack=%d offchanok=%d",
5928 freq, wait, no_cck, no_ack, offchanok);
5929 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
5931 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
5932 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
5933 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
5934 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
5935 drv->test_use_roc_tx) &&
5936 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
5937 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
5938 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
5939 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
5943 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
5946 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
5947 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
5950 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
5951 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
5952 (long long unsigned int) cookie);
5955 *cookie_out = no_ack ? (u64) -1 : cookie;
5964 static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
5966 unsigned int wait_time,
5967 const u8 *dst, const u8 *src,
5969 const u8 *data, size_t data_len,
5972 struct wpa_driver_nl80211_data *drv = bss->drv;
5975 struct ieee80211_hdr *hdr;
5977 wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
5978 "freq=%u MHz wait=%d ms no_cck=%d)",
5979 drv->ifindex, freq, wait_time, no_cck);
5981 buf = os_zalloc(24 + data_len);
5984 os_memcpy(buf + 24, data, data_len);
5985 hdr = (struct ieee80211_hdr *) buf;
5986 hdr->frame_control =
5987 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
5988 os_memcpy(hdr->addr1, dst, ETH_ALEN);
5989 os_memcpy(hdr->addr2, src, ETH_ALEN);
5990 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
5992 if (is_ap_interface(drv->nlmode) &&
5993 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
5994 (int) freq == bss->freq || drv->device_ap_sme ||
5996 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
6000 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
6002 &drv->send_action_cookie,
6010 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
6012 struct i802_bss *bss = priv;
6013 struct wpa_driver_nl80211_data *drv = bss->drv;
6017 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
6018 (long long unsigned int) drv->send_action_cookie);
6019 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
6020 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie)) {
6025 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6027 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
6028 "(%s)", ret, strerror(-ret));
6032 static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
6033 unsigned int duration)
6035 struct i802_bss *bss = priv;
6036 struct wpa_driver_nl80211_data *drv = bss->drv;
6041 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
6042 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
6043 nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) {
6049 ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
6051 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
6052 "0x%llx for freq=%u MHz duration=%u",
6053 (long long unsigned int) cookie, freq, duration);
6054 drv->remain_on_chan_cookie = cookie;
6055 drv->pending_remain_on_chan = 1;
6058 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
6059 "(freq=%d duration=%u): %d (%s)",
6060 freq, duration, ret, strerror(-ret));
6065 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
6067 struct i802_bss *bss = priv;
6068 struct wpa_driver_nl80211_data *drv = bss->drv;
6072 if (!drv->pending_remain_on_chan) {
6073 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
6078 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
6080 (long long unsigned int) drv->remain_on_chan_cookie);
6082 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
6084 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
6089 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6092 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
6093 "%d (%s)", ret, strerror(-ret));
6098 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
6100 struct wpa_driver_nl80211_data *drv = bss->drv;
6103 if (bss->nl_preq && drv->device_ap_sme &&
6104 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
6107 * Do not disable Probe Request reporting that was
6108 * enabled in nl80211_setup_ap().
6110 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
6111 "Probe Request reporting nl_preq=%p while "
6112 "in AP mode", bss->nl_preq);
6113 } else if (bss->nl_preq) {
6114 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
6115 "reporting nl_preq=%p", bss->nl_preq);
6116 nl80211_destroy_eloop_handle(&bss->nl_preq);
6122 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
6123 "already on! nl_preq=%p", bss->nl_preq);
6127 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
6128 if (bss->nl_preq == NULL)
6130 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
6131 "reporting nl_preq=%p", bss->nl_preq);
6133 if (nl80211_register_frame(bss, bss->nl_preq,
6134 (WLAN_FC_TYPE_MGMT << 2) |
6135 (WLAN_FC_STYPE_PROBE_REQ << 4),
6139 nl80211_register_eloop_read(&bss->nl_preq,
6140 wpa_driver_nl80211_event_receive,
6146 nl_destroy_handles(&bss->nl_preq);
6151 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
6152 int ifindex, int disabled)
6155 struct nlattr *bands, *band;
6158 wpa_printf(MSG_DEBUG,
6159 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6160 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
6161 "no NL80211_TXRATE_LEGACY constraint");
6163 msg = nl80211_ifindex_msg(drv, ifindex, 0,
6164 NL80211_CMD_SET_TX_BITRATE_MASK);
6168 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
6173 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6174 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6175 * rates. All 5 GHz rates are left enabled.
6177 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
6179 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
6180 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6182 nla_nest_end(msg, band);
6184 nla_nest_end(msg, bands);
6186 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6188 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
6189 "(%s)", ret, strerror(-ret));
6191 drv->disabled_11b_rates = disabled;
6201 static int wpa_driver_nl80211_deinit_ap(void *priv)
6203 struct i802_bss *bss = priv;
6204 struct wpa_driver_nl80211_data *drv = bss->drv;
6205 if (!is_ap_interface(drv->nlmode))
6207 wpa_driver_nl80211_del_beacon(drv);
6208 bss->beacon_set = 0;
6211 * If the P2P GO interface was dynamically added, then it is
6212 * possible that the interface change to station is not possible.
6214 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
6217 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6221 static int wpa_driver_nl80211_stop_ap(void *priv)
6223 struct i802_bss *bss = priv;
6224 struct wpa_driver_nl80211_data *drv = bss->drv;
6225 if (!is_ap_interface(drv->nlmode))
6227 wpa_driver_nl80211_del_beacon(drv);
6228 bss->beacon_set = 0;
6233 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
6235 struct i802_bss *bss = priv;
6236 struct wpa_driver_nl80211_data *drv = bss->drv;
6237 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
6241 * If the P2P Client interface was dynamically added, then it is
6242 * possible that the interface change to station is not possible.
6244 if (bss->if_dynamic)
6247 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
6251 static void wpa_driver_nl80211_resume(void *priv)
6253 struct i802_bss *bss = priv;
6255 if (i802_set_iface_flags(bss, 1))
6256 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
6260 static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
6262 struct i802_bss *bss = priv;
6263 struct wpa_driver_nl80211_data *drv = bss->drv;
6267 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
6268 "hysteresis=%d", threshold, hysteresis);
6270 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
6271 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
6272 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
6273 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
6277 nla_nest_end(msg, cqm);
6279 return send_and_recv_msgs(drv, msg, NULL, NULL);
6283 static int get_channel_width(struct nl_msg *msg, void *arg)
6285 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6286 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6287 struct wpa_signal_info *sig_change = arg;
6289 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6290 genlmsg_attrlen(gnlh, 0), NULL);
6292 sig_change->center_frq1 = -1;
6293 sig_change->center_frq2 = -1;
6294 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
6296 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
6297 sig_change->chanwidth = convert2width(
6298 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
6299 if (tb[NL80211_ATTR_CENTER_FREQ1])
6300 sig_change->center_frq1 =
6301 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
6302 if (tb[NL80211_ATTR_CENTER_FREQ2])
6303 sig_change->center_frq2 =
6304 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
6311 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
6312 struct wpa_signal_info *sig)
6316 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
6317 return send_and_recv_msgs(drv, msg, get_channel_width, sig);
6321 static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
6323 struct i802_bss *bss = priv;
6324 struct wpa_driver_nl80211_data *drv = bss->drv;
6327 os_memset(si, 0, sizeof(*si));
6328 res = nl80211_get_link_signal(drv, si);
6332 res = nl80211_get_channel_width(drv, si);
6336 return nl80211_get_link_noise(drv, si);
6340 static int wpa_driver_nl80211_shared_freq(void *priv)
6342 struct i802_bss *bss = priv;
6343 struct wpa_driver_nl80211_data *drv = bss->drv;
6344 struct wpa_driver_nl80211_data *driver;
6348 * If the same PHY is in connected state with some other interface,
6349 * then retrieve the assoc freq.
6351 wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s",
6354 dl_list_for_each(driver, &drv->global->interfaces,
6355 struct wpa_driver_nl80211_data, list) {
6356 if (drv == driver ||
6357 os_strcmp(drv->phyname, driver->phyname) != 0 ||
6358 !driver->associated)
6361 wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s "
6363 driver->phyname, driver->first_bss->ifname,
6364 MAC2STR(driver->first_bss->addr));
6365 if (is_ap_interface(driver->nlmode))
6366 freq = driver->first_bss->freq;
6368 freq = nl80211_get_assoc_freq(driver);
6369 wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d",
6370 drv->phyname, freq);
6374 wpa_printf(MSG_DEBUG, "nl80211: No shared interface for "
6375 "PHY (%s) in associated state", drv->phyname);
6381 static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
6384 struct i802_bss *bss = priv;
6385 return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0,
6390 static int nl80211_set_param(void *priv, const char *param)
6392 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
6397 if (os_strstr(param, "use_p2p_group_interface=1")) {
6398 struct i802_bss *bss = priv;
6399 struct wpa_driver_nl80211_data *drv = bss->drv;
6401 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
6403 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
6404 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
6406 #endif /* CONFIG_P2P */
6408 if (os_strstr(param, "use_monitor=1")) {
6409 struct i802_bss *bss = priv;
6410 struct wpa_driver_nl80211_data *drv = bss->drv;
6411 drv->use_monitor = 1;
6414 if (os_strstr(param, "force_connect_cmd=1")) {
6415 struct i802_bss *bss = priv;
6416 struct wpa_driver_nl80211_data *drv = bss->drv;
6417 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
6418 drv->force_connect_cmd = 1;
6421 if (os_strstr(param, "no_offchannel_tx=1")) {
6422 struct i802_bss *bss = priv;
6423 struct wpa_driver_nl80211_data *drv = bss->drv;
6424 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
6425 drv->test_use_roc_tx = 1;
6432 static void * nl80211_global_init(void)
6434 struct nl80211_global *global;
6435 struct netlink_config *cfg;
6437 global = os_zalloc(sizeof(*global));
6440 global->ioctl_sock = -1;
6441 dl_list_init(&global->interfaces);
6442 global->if_add_ifindex = -1;
6444 cfg = os_zalloc(sizeof(*cfg));
6449 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
6450 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
6451 global->netlink = netlink_init(cfg);
6452 if (global->netlink == NULL) {
6457 if (wpa_driver_nl80211_init_nl_global(global) < 0)
6460 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
6461 if (global->ioctl_sock < 0) {
6462 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
6470 nl80211_global_deinit(global);
6475 static void nl80211_global_deinit(void *priv)
6477 struct nl80211_global *global = priv;
6480 if (!dl_list_empty(&global->interfaces)) {
6481 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
6482 "nl80211_global_deinit",
6483 dl_list_len(&global->interfaces));
6486 if (global->netlink)
6487 netlink_deinit(global->netlink);
6489 nl_destroy_handles(&global->nl);
6491 if (global->nl_event)
6492 nl80211_destroy_eloop_handle(&global->nl_event);
6494 nl_cb_put(global->nl_cb);
6496 if (global->ioctl_sock >= 0)
6497 close(global->ioctl_sock);
6503 static const char * nl80211_get_radio_name(void *priv)
6505 struct i802_bss *bss = priv;
6506 struct wpa_driver_nl80211_data *drv = bss->drv;
6507 return drv->phyname;
6511 static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
6516 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
6517 (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) ||
6518 (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) {
6523 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
6527 static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6529 struct i802_bss *bss = priv;
6530 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
6531 return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
6535 static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
6537 struct i802_bss *bss = priv;
6538 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
6540 return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
6544 static int nl80211_flush_pmkid(void *priv)
6546 struct i802_bss *bss = priv;
6547 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
6548 return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
6552 static void clean_survey_results(struct survey_results *survey_results)
6554 struct freq_survey *survey, *tmp;
6556 if (dl_list_empty(&survey_results->survey_list))
6559 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
6560 struct freq_survey, list) {
6561 dl_list_del(&survey->list);
6567 static void add_survey(struct nlattr **sinfo, u32 ifidx,
6568 struct dl_list *survey_list)
6570 struct freq_survey *survey;
6572 survey = os_zalloc(sizeof(struct freq_survey));
6576 survey->ifidx = ifidx;
6577 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6580 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
6581 survey->nf = (int8_t)
6582 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
6583 survey->filled |= SURVEY_HAS_NF;
6586 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
6587 survey->channel_time =
6588 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
6589 survey->filled |= SURVEY_HAS_CHAN_TIME;
6592 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
6593 survey->channel_time_busy =
6594 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
6595 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
6598 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
6599 survey->channel_time_rx =
6600 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
6601 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
6604 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
6605 survey->channel_time_tx =
6606 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
6607 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
6610 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)",
6613 (unsigned long int) survey->channel_time,
6614 (unsigned long int) survey->channel_time_busy,
6615 (unsigned long int) survey->channel_time_tx,
6616 (unsigned long int) survey->channel_time_rx,
6619 dl_list_add_tail(survey_list, &survey->list);
6623 static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
6624 unsigned int freq_filter)
6629 return freq_filter == surveyed_freq;
6633 static int survey_handler(struct nl_msg *msg, void *arg)
6635 struct nlattr *tb[NL80211_ATTR_MAX + 1];
6636 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
6637 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
6638 struct survey_results *survey_results;
6639 u32 surveyed_freq = 0;
6642 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
6643 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
6644 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
6647 survey_results = (struct survey_results *) arg;
6649 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
6650 genlmsg_attrlen(gnlh, 0), NULL);
6652 if (!tb[NL80211_ATTR_IFINDEX])
6655 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
6657 if (!tb[NL80211_ATTR_SURVEY_INFO])
6660 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
6661 tb[NL80211_ATTR_SURVEY_INFO],
6665 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
6666 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
6670 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
6672 if (!check_survey_ok(sinfo, surveyed_freq,
6673 survey_results->freq_filter))
6676 if (survey_results->freq_filter &&
6677 survey_results->freq_filter != surveyed_freq) {
6678 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
6683 add_survey(sinfo, ifidx, &survey_results->survey_list);
6689 static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
6691 struct i802_bss *bss = priv;
6692 struct wpa_driver_nl80211_data *drv = bss->drv;
6695 union wpa_event_data data;
6696 struct survey_results *survey_results;
6698 os_memset(&data, 0, sizeof(data));
6699 survey_results = &data.survey_results;
6701 dl_list_init(&survey_results->survey_list);
6703 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
6708 data.survey_results.freq_filter = freq;
6711 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
6712 err = send_and_recv_msgs(drv, msg, survey_handler,
6717 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
6719 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
6721 clean_survey_results(survey_results);
6726 static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
6727 const u8 *replay_ctr)
6729 struct i802_bss *bss = priv;
6730 struct wpa_driver_nl80211_data *drv = bss->drv;
6731 struct nlattr *replay_nested;
6734 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
6735 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
6736 nla_put(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek) ||
6737 nla_put(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck) ||
6738 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
6740 nl80211_nlmsg_clear(msg);
6745 nla_nest_end(msg, replay_nested);
6747 send_and_recv_msgs(drv, msg, NULL, (void *) -1);
6751 static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
6752 const u8 *addr, int qos)
6754 /* send data frame to poll STA and check whether
6755 * this frame is ACKed */
6757 struct ieee80211_hdr hdr;
6759 } STRUCT_PACKED nulldata;
6762 /* Send data frame to poll STA and check whether this frame is ACKed */
6764 os_memset(&nulldata, 0, sizeof(nulldata));
6767 nulldata.hdr.frame_control =
6768 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6769 WLAN_FC_STYPE_QOS_NULL);
6770 size = sizeof(nulldata);
6772 nulldata.hdr.frame_control =
6773 IEEE80211_FC(WLAN_FC_TYPE_DATA,
6774 WLAN_FC_STYPE_NULLFUNC);
6775 size = sizeof(struct ieee80211_hdr);
6778 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
6779 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
6780 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
6781 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
6783 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
6785 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
6789 static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
6792 struct i802_bss *bss = priv;
6793 struct wpa_driver_nl80211_data *drv = bss->drv;
6796 if (!drv->poll_command_supported) {
6797 nl80211_send_null_frame(bss, own_addr, addr, qos);
6801 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
6802 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
6807 send_and_recv_msgs(drv, msg, NULL, NULL);
6811 static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
6815 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
6816 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
6817 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
6821 return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
6825 static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
6828 struct i802_bss *bss = priv;
6830 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
6831 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
6833 if (opp_ps != -1 || ctwindow != -1) {
6835 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
6836 #else /* ANDROID_P2P */
6837 return -1; /* Not yet supported */
6838 #endif /* ANDROID_P2P */
6841 if (legacy_ps == -1)
6843 if (legacy_ps != 0 && legacy_ps != 1)
6844 return -1; /* Not yet supported */
6846 return nl80211_set_power_save(bss, legacy_ps);
6850 static int nl80211_start_radar_detection(void *priv,
6851 struct hostapd_freq_params *freq)
6853 struct i802_bss *bss = priv;
6854 struct wpa_driver_nl80211_data *drv = bss->drv;
6858 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)",
6859 freq->freq, freq->ht_enabled, freq->vht_enabled,
6860 freq->bandwidth, freq->center_freq1, freq->center_freq2);
6862 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
6863 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
6868 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
6869 nl80211_put_freq_params(msg, freq) < 0) {
6874 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
6877 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
6878 "%d (%s)", ret, strerror(-ret));
6884 static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
6885 u8 dialog_token, u16 status_code,
6886 u32 peer_capab, int initiator, const u8 *buf,
6889 struct i802_bss *bss = priv;
6890 struct wpa_driver_nl80211_data *drv = bss->drv;
6893 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6899 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
6900 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
6901 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
6902 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
6903 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code))
6907 * The internal enum tdls_peer_capability definition is
6908 * currently identical with the nl80211 enum
6909 * nl80211_tdls_peer_capability, so no conversion is needed
6912 if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
6917 nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
6918 nla_put(msg, NL80211_ATTR_IE, len, buf))
6921 return send_and_recv_msgs(drv, msg, NULL, NULL);
6929 static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
6931 struct i802_bss *bss = priv;
6932 struct wpa_driver_nl80211_data *drv = bss->drv;
6934 enum nl80211_tdls_operation nl80211_oper;
6936 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
6940 case TDLS_DISCOVERY_REQ:
6941 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
6944 nl80211_oper = NL80211_TDLS_SETUP;
6947 nl80211_oper = NL80211_TDLS_TEARDOWN;
6949 case TDLS_ENABLE_LINK:
6950 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
6952 case TDLS_DISABLE_LINK:
6953 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
6963 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
6964 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
6965 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
6970 return send_and_recv_msgs(drv, msg, NULL, NULL);
6973 #endif /* CONFIG TDLS */
6976 static int driver_nl80211_set_key(const char *ifname, void *priv,
6977 enum wpa_alg alg, const u8 *addr,
6978 int key_idx, int set_tx,
6979 const u8 *seq, size_t seq_len,
6980 const u8 *key, size_t key_len)
6982 struct i802_bss *bss = priv;
6983 return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx,
6984 set_tx, seq, seq_len, key, key_len);
6988 static int driver_nl80211_scan2(void *priv,
6989 struct wpa_driver_scan_params *params)
6991 struct i802_bss *bss = priv;
6992 return wpa_driver_nl80211_scan(bss, params);
6996 static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
6999 struct i802_bss *bss = priv;
7000 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
7004 static int driver_nl80211_authenticate(void *priv,
7005 struct wpa_driver_auth_params *params)
7007 struct i802_bss *bss = priv;
7008 return wpa_driver_nl80211_authenticate(bss, params);
7012 static void driver_nl80211_deinit(void *priv)
7014 struct i802_bss *bss = priv;
7015 wpa_driver_nl80211_deinit(bss);
7019 static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
7022 struct i802_bss *bss = priv;
7023 return wpa_driver_nl80211_if_remove(bss, type, ifname);
7027 static int driver_nl80211_send_mlme(void *priv, const u8 *data,
7028 size_t data_len, int noack)
7030 struct i802_bss *bss = priv;
7031 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
7036 static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
7038 struct i802_bss *bss = priv;
7039 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
7043 static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
7044 const char *ifname, int vlan_id)
7046 struct i802_bss *bss = priv;
7047 return i802_set_sta_vlan(bss, addr, ifname, vlan_id);
7051 static int driver_nl80211_read_sta_data(void *priv,
7052 struct hostap_sta_driver_data *data,
7055 struct i802_bss *bss = priv;
7056 return i802_read_sta_data(bss, data, addr);
7060 static int driver_nl80211_send_action(void *priv, unsigned int freq,
7061 unsigned int wait_time,
7062 const u8 *dst, const u8 *src,
7064 const u8 *data, size_t data_len,
7067 struct i802_bss *bss = priv;
7068 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
7069 bssid, data, data_len, no_cck);
7073 static int driver_nl80211_probe_req_report(void *priv, int report)
7075 struct i802_bss *bss = priv;
7076 return wpa_driver_nl80211_probe_req_report(bss, report);
7080 static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
7081 const u8 *ies, size_t ies_len)
7085 struct i802_bss *bss = priv;
7086 struct wpa_driver_nl80211_data *drv = bss->drv;
7087 u16 mdid = WPA_GET_LE16(md);
7089 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
7090 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
7091 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
7092 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
7097 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7099 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
7100 "err=%d (%s)", ret, strerror(-ret));
7107 const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
7109 struct i802_bss *bss = priv;
7110 struct wpa_driver_nl80211_data *drv = bss->drv;
7112 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
7119 static const char * scan_state_str(enum scan_states scan_state)
7121 switch (scan_state) {
7124 case SCAN_REQUESTED:
7125 return "SCAN_REQUESTED";
7127 return "SCAN_STARTED";
7128 case SCAN_COMPLETED:
7129 return "SCAN_COMPLETED";
7131 return "SCAN_ABORTED";
7132 case SCHED_SCAN_STARTED:
7133 return "SCHED_SCAN_STARTED";
7134 case SCHED_SCAN_STOPPED:
7135 return "SCHED_SCAN_STOPPED";
7136 case SCHED_SCAN_RESULTS:
7137 return "SCHED_SCAN_RESULTS";
7144 static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
7146 struct i802_bss *bss = priv;
7147 struct wpa_driver_nl80211_data *drv = bss->drv;
7154 res = os_snprintf(pos, end - pos,
7166 bss->beacon_set ? "beacon_set=1\n" : "",
7167 bss->added_if_into_bridge ?
7168 "added_if_into_bridge=1\n" : "",
7169 bss->added_bridge ? "added_bridge=1\n" : "",
7170 bss->in_deinit ? "in_deinit=1\n" : "",
7171 bss->if_dynamic ? "if_dynamic=1\n" : "");
7172 if (os_snprintf_error(end - pos, res))
7176 if (bss->wdev_id_set) {
7177 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
7178 (unsigned long long) bss->wdev_id);
7179 if (os_snprintf_error(end - pos, res))
7184 res = os_snprintf(pos, end - pos,
7186 "perm_addr=" MACSTR "\n"
7190 "auth_bssid=" MACSTR "\n"
7191 "auth_attempt_bssid=" MACSTR "\n"
7192 "bssid=" MACSTR "\n"
7193 "prev_bssid=" MACSTR "\n"
7197 "monitor_ifidx=%d\n"
7198 "monitor_refcount=%d\n"
7199 "last_mgmt_freq=%u\n"
7200 "eapol_tx_sock=%d\n"
7201 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
7203 MAC2STR(drv->perm_addr),
7206 scan_state_str(drv->scan_state),
7207 MAC2STR(drv->auth_bssid),
7208 MAC2STR(drv->auth_attempt_bssid),
7209 MAC2STR(drv->bssid),
7210 MAC2STR(drv->prev_bssid),
7215 drv->monitor_refcount,
7216 drv->last_mgmt_freq,
7218 drv->ignore_if_down_event ?
7219 "ignore_if_down_event=1\n" : "",
7220 drv->scan_complete_events ?
7221 "scan_complete_events=1\n" : "",
7222 drv->disabled_11b_rates ?
7223 "disabled_11b_rates=1\n" : "",
7224 drv->pending_remain_on_chan ?
7225 "pending_remain_on_chan=1\n" : "",
7226 drv->in_interface_list ? "in_interface_list=1\n" : "",
7227 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
7228 drv->poll_command_supported ?
7229 "poll_command_supported=1\n" : "",
7230 drv->data_tx_status ? "data_tx_status=1\n" : "",
7231 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
7232 drv->retry_auth ? "retry_auth=1\n" : "",
7233 drv->use_monitor ? "use_monitor=1\n" : "",
7234 drv->ignore_next_local_disconnect ?
7235 "ignore_next_local_disconnect=1\n" : "",
7236 drv->ignore_next_local_deauth ?
7237 "ignore_next_local_deauth=1\n" : "");
7238 if (os_snprintf_error(end - pos, res))
7242 if (drv->has_capability) {
7243 res = os_snprintf(pos, end - pos,
7244 "capa.key_mgmt=0x%x\n"
7247 "capa.flags=0x%llx\n"
7248 "capa.rrm_flags=0x%x\n"
7249 "capa.max_scan_ssids=%d\n"
7250 "capa.max_sched_scan_ssids=%d\n"
7251 "capa.sched_scan_supported=%d\n"
7252 "capa.max_match_sets=%d\n"
7253 "capa.max_remain_on_chan=%u\n"
7254 "capa.max_stations=%u\n"
7255 "capa.probe_resp_offloads=0x%x\n"
7256 "capa.max_acl_mac_addrs=%u\n"
7257 "capa.num_multichan_concurrent=%u\n",
7261 (unsigned long long) drv->capa.flags,
7262 drv->capa.rrm_flags,
7263 drv->capa.max_scan_ssids,
7264 drv->capa.max_sched_scan_ssids,
7265 drv->capa.sched_scan_supported,
7266 drv->capa.max_match_sets,
7267 drv->capa.max_remain_on_chan,
7268 drv->capa.max_stations,
7269 drv->capa.probe_resp_offloads,
7270 drv->capa.max_acl_mac_addrs,
7271 drv->capa.num_multichan_concurrent);
7272 if (os_snprintf_error(end - pos, res))
7281 static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
7283 if ((settings->head &&
7284 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
7285 settings->head_len, settings->head)) ||
7287 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
7288 settings->tail_len, settings->tail)) ||
7289 (settings->beacon_ies &&
7290 nla_put(msg, NL80211_ATTR_IE,
7291 settings->beacon_ies_len, settings->beacon_ies)) ||
7292 (settings->proberesp_ies &&
7293 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
7294 settings->proberesp_ies_len, settings->proberesp_ies)) ||
7295 (settings->assocresp_ies &&
7296 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
7297 settings->assocresp_ies_len, settings->assocresp_ies)) ||
7298 (settings->probe_resp &&
7299 nla_put(msg, NL80211_ATTR_PROBE_RESP,
7300 settings->probe_resp_len, settings->probe_resp)))
7307 static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
7310 struct i802_bss *bss = priv;
7311 struct wpa_driver_nl80211_data *drv = bss->drv;
7312 struct nlattr *beacon_csa;
7315 wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
7316 settings->cs_count, settings->block_tx,
7317 settings->freq_params.freq, settings->freq_params.bandwidth,
7318 settings->freq_params.center_freq1,
7319 settings->freq_params.center_freq2);
7321 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
7322 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
7326 if ((drv->nlmode != NL80211_IFTYPE_AP) &&
7327 (drv->nlmode != NL80211_IFTYPE_P2P_GO))
7330 /* check settings validity */
7331 if (!settings->beacon_csa.tail ||
7332 ((settings->beacon_csa.tail_len <=
7333 settings->counter_offset_beacon) ||
7334 (settings->beacon_csa.tail[settings->counter_offset_beacon] !=
7335 settings->cs_count)))
7338 if (settings->beacon_csa.probe_resp &&
7339 ((settings->beacon_csa.probe_resp_len <=
7340 settings->counter_offset_presp) ||
7341 (settings->beacon_csa.probe_resp[settings->counter_offset_presp] !=
7342 settings->cs_count)))
7345 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
7346 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
7347 settings->cs_count) ||
7348 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
7349 (settings->block_tx &&
7350 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)))
7353 /* beacon_after params */
7354 ret = set_beacon_data(msg, &settings->beacon_after);
7358 /* beacon_csa params */
7359 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
7363 ret = set_beacon_data(msg, &settings->beacon_csa);
7367 if (nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
7368 settings->counter_offset_beacon) ||
7369 (settings->beacon_csa.probe_resp &&
7370 nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
7371 settings->counter_offset_presp)))
7374 nla_nest_end(msg, beacon_csa);
7375 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7377 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
7378 ret, strerror(-ret));
7386 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
7391 static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
7392 u8 user_priority, u16 admitted_time)
7394 struct i802_bss *bss = priv;
7395 struct wpa_driver_nl80211_data *drv = bss->drv;
7399 wpa_printf(MSG_DEBUG,
7400 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
7401 tsid, admitted_time, user_priority);
7403 if (!is_sta_interface(drv->nlmode))
7406 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
7408 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7409 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
7410 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
7411 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
7416 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7418 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
7419 ret, strerror(-ret));
7424 static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
7426 struct i802_bss *bss = priv;
7427 struct wpa_driver_nl80211_data *drv = bss->drv;
7431 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
7433 if (!is_sta_interface(drv->nlmode))
7436 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
7437 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
7438 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
7443 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7445 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
7446 ret, strerror(-ret));
7451 #ifdef CONFIG_TESTING_OPTIONS
7452 static int cmd_reply_handler(struct nl_msg *msg, void *arg)
7454 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7455 struct wpabuf *buf = arg;
7460 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
7461 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
7465 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
7466 genlmsg_attrlen(gnlh, 0));
7470 #endif /* CONFIG_TESTING_OPTIONS */
7473 static int vendor_reply_handler(struct nl_msg *msg, void *arg)
7475 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7476 struct nlattr *nl_vendor_reply, *nl;
7477 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7478 struct wpabuf *buf = arg;
7484 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7485 genlmsg_attrlen(gnlh, 0), NULL);
7486 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
7488 if (!nl_vendor_reply)
7491 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
7492 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
7496 nla_for_each_nested(nl, nl_vendor_reply, rem) {
7497 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
7504 static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
7505 unsigned int subcmd, const u8 *data,
7506 size_t data_len, struct wpabuf *buf)
7508 struct i802_bss *bss = priv;
7509 struct wpa_driver_nl80211_data *drv = bss->drv;
7513 #ifdef CONFIG_TESTING_OPTIONS
7514 if (vendor_id == 0xffffffff) {
7515 msg = nlmsg_alloc();
7519 nl80211_cmd(drv, msg, 0, subcmd);
7520 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
7523 ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf);
7525 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
7529 #endif /* CONFIG_TESTING_OPTIONS */
7531 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
7532 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
7533 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
7535 nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
7538 ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
7540 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
7550 static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
7553 struct i802_bss *bss = priv;
7554 struct wpa_driver_nl80211_data *drv = bss->drv;
7558 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
7559 qos_map_set, qos_map_set_len);
7561 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) ||
7562 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
7567 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7569 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
7575 static int nl80211_set_wowlan(void *priv,
7576 const struct wowlan_triggers *triggers)
7578 struct i802_bss *bss = priv;
7579 struct wpa_driver_nl80211_data *drv = bss->drv;
7581 struct nlattr *wowlan_triggers;
7584 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
7586 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WOWLAN)) ||
7587 !(wowlan_triggers = nla_nest_start(msg,
7588 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
7590 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
7591 (triggers->disconnect &&
7592 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
7593 (triggers->magic_pkt &&
7594 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
7595 (triggers->gtk_rekey_failure &&
7596 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
7597 (triggers->eap_identity_req &&
7598 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
7599 (triggers->four_way_handshake &&
7600 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
7601 (triggers->rfkill_release &&
7602 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
7607 nla_nest_end(msg, wowlan_triggers);
7609 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7611 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
7617 static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
7619 struct i802_bss *bss = priv;
7620 struct wpa_driver_nl80211_data *drv = bss->drv;
7622 struct nlattr *params;
7624 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
7626 if (!drv->roaming_vendor_cmd_avail) {
7627 wpa_printf(MSG_DEBUG,
7628 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
7632 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
7633 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
7634 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
7635 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
7636 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
7637 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
7638 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
7639 QCA_ROAMING_NOT_ALLOWED) ||
7641 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
7645 nla_nest_end(msg, params);
7647 return send_and_recv_msgs(drv, msg, NULL, NULL);
7651 static int nl80211_set_mac_addr(void *priv, const u8 *addr)
7653 struct i802_bss *bss = priv;
7654 struct wpa_driver_nl80211_data *drv = bss->drv;
7655 int new_addr = addr != NULL;
7658 addr = drv->perm_addr;
7660 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
7663 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
7665 wpa_printf(MSG_DEBUG,
7666 "nl80211: failed to set_mac_addr for %s to " MACSTR,
7667 bss->ifname, MAC2STR(addr));
7668 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
7670 wpa_printf(MSG_DEBUG,
7671 "nl80211: Could not restore interface UP after failed set_mac_addr");
7676 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
7677 bss->ifname, MAC2STR(addr));
7678 drv->addr_changed = new_addr;
7679 os_memcpy(bss->addr, addr, ETH_ALEN);
7681 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
7683 wpa_printf(MSG_DEBUG,
7684 "nl80211: Could not restore interface UP after set_mac_addr");
7693 static int wpa_driver_nl80211_init_mesh(void *priv)
7695 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
7696 wpa_printf(MSG_INFO,
7697 "nl80211: Failed to set interface into mesh mode");
7705 wpa_driver_nl80211_join_mesh(void *priv,
7706 struct wpa_driver_mesh_join_params *params)
7708 struct i802_bss *bss = priv;
7709 struct wpa_driver_nl80211_data *drv = bss->drv;
7711 struct nlattr *container;
7714 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
7715 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
7719 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
7720 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
7724 if (params->ht_mode) {
7725 unsigned int ht_value;
7728 switch (params->ht_mode) {
7731 ht_value = NL80211_CHAN_NO_HT;
7735 ht_value = NL80211_CHAN_HT20;
7739 ht_value = NL80211_CHAN_HT40PLUS;
7742 case CHAN_HT40MINUS:
7743 ht_value = NL80211_CHAN_HT40MINUS;
7747 wpa_printf(MSG_DEBUG, " * ht_mode=%s", ht_mode);
7748 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ht_value))
7752 if (params->basic_rates) {
7753 u8 rates[NL80211_MAX_SUPP_RATES];
7757 for (i = 0; i < NL80211_MAX_SUPP_RATES; i++) {
7758 if (params->basic_rates[i] < 0)
7760 rates[rates_len++] = params->basic_rates[i] / 5;
7763 if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len,
7768 if (params->meshid) {
7769 wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
7770 params->meshid, params->meshid_len);
7771 if (nla_put(msg, NL80211_ATTR_MESH_ID, params->meshid_len,
7776 if (params->beacon_int > 0) {
7777 wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int);
7778 if (nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
7779 params->beacon_int))
7783 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
7785 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
7790 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
7791 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
7795 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
7796 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
7797 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
7798 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
7801 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
7802 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
7804 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
7805 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
7807 nla_nest_end(msg, container);
7809 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
7813 if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
7814 nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0))
7816 if ((params->conf.flags & WPA_DRIVER_MESH_FLAG_DRIVER_MPM) &&
7817 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
7818 params->max_peer_links))
7820 nla_nest_end(msg, container);
7822 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7825 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
7826 ret, strerror(-ret));
7830 bss->freq = params->freq;
7831 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
7839 static int wpa_driver_nl80211_leave_mesh(void *priv)
7841 struct i802_bss *bss = priv;
7842 struct wpa_driver_nl80211_data *drv = bss->drv;
7846 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
7847 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
7848 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
7850 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
7851 ret, strerror(-ret));
7853 wpa_printf(MSG_DEBUG,
7854 "nl80211: mesh leave request send successfully");
7857 if (wpa_driver_nl80211_set_mode(drv->first_bss,
7858 NL80211_IFTYPE_STATION)) {
7859 wpa_printf(MSG_INFO,
7860 "nl80211: Failed to set interface into station mode");
7865 #endif /* CONFIG_MESH */
7868 static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
7869 const u8 *ipaddr, int prefixlen,
7872 #ifdef CONFIG_LIBNL3_ROUTE
7873 struct i802_bss *bss = priv;
7874 struct wpa_driver_nl80211_data *drv = bss->drv;
7875 struct rtnl_neigh *rn;
7876 struct nl_addr *nl_ipaddr = NULL;
7877 struct nl_addr *nl_lladdr = NULL;
7878 int family, addrsize;
7881 if (!ipaddr || prefixlen == 0 || !addr)
7884 if (bss->br_ifindex == 0) {
7885 wpa_printf(MSG_DEBUG,
7886 "nl80211: bridge must be set before adding an ip neigh to it");
7890 if (!drv->rtnl_sk) {
7891 wpa_printf(MSG_DEBUG,
7892 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
7899 } else if (version == 6) {
7906 rn = rtnl_neigh_alloc();
7910 /* set the destination ip address for neigh */
7911 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
7912 if (nl_ipaddr == NULL) {
7913 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
7917 nl_addr_set_prefixlen(nl_ipaddr, prefixlen);
7918 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
7920 wpa_printf(MSG_DEBUG,
7921 "nl80211: neigh set destination addr failed");
7925 /* set the corresponding lladdr for neigh */
7926 nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN);
7927 if (nl_lladdr == NULL) {
7928 wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed");
7932 rtnl_neigh_set_lladdr(rn, nl_lladdr);
7934 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
7935 rtnl_neigh_set_state(rn, NUD_PERMANENT);
7937 res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE);
7939 wpa_printf(MSG_DEBUG,
7940 "nl80211: Adding bridge ip neigh failed: %s",
7945 nl_addr_put(nl_lladdr);
7947 nl_addr_put(nl_ipaddr);
7951 #else /* CONFIG_LIBNL3_ROUTE */
7953 #endif /* CONFIG_LIBNL3_ROUTE */
7957 static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
7960 #ifdef CONFIG_LIBNL3_ROUTE
7961 struct i802_bss *bss = priv;
7962 struct wpa_driver_nl80211_data *drv = bss->drv;
7963 struct rtnl_neigh *rn;
7964 struct nl_addr *nl_ipaddr;
7965 int family, addrsize;
7974 } else if (version == 6) {
7981 if (bss->br_ifindex == 0) {
7982 wpa_printf(MSG_DEBUG,
7983 "nl80211: bridge must be set to delete an ip neigh");
7987 if (!drv->rtnl_sk) {
7988 wpa_printf(MSG_DEBUG,
7989 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
7993 rn = rtnl_neigh_alloc();
7997 /* set the destination ip address for neigh */
7998 nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize);
7999 if (nl_ipaddr == NULL) {
8000 wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed");
8004 res = rtnl_neigh_set_dst(rn, nl_ipaddr);
8006 wpa_printf(MSG_DEBUG,
8007 "nl80211: neigh set destination addr failed");
8011 rtnl_neigh_set_ifindex(rn, bss->br_ifindex);
8013 res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0);
8015 wpa_printf(MSG_DEBUG,
8016 "nl80211: Deleting bridge ip neigh failed: %s",
8021 nl_addr_put(nl_ipaddr);
8025 #else /* CONFIG_LIBNL3_ROUTE */
8027 #endif /* CONFIG_LIBNL3_ROUTE */
8031 static int linux_write_system_file(const char *path, unsigned int val)
8036 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
8037 if (os_snprintf_error(sizeof(buf), len))
8040 fd = open(path, O_WRONLY);
8044 if (write(fd, buf, len) < 0) {
8045 wpa_printf(MSG_DEBUG,
8046 "nl80211: Failed to write Linux system file: %s with the value of %d",
8057 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
8060 case DRV_BR_PORT_ATTR_PROXYARP:
8062 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
8063 return "hairpin_mode";
8070 static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
8073 struct i802_bss *bss = priv;
8075 const char *attr_txt;
8077 attr_txt = drv_br_port_attr_str(attr);
8078 if (attr_txt == NULL)
8081 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
8082 bss->ifname, attr_txt);
8084 if (linux_write_system_file(path, val))
8091 static const char * drv_br_net_param_str(enum drv_br_net_param param)
8094 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8095 return "arp_accept";
8102 static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
8105 struct i802_bss *bss = priv;
8107 const char *param_txt;
8110 param_txt = drv_br_net_param_str(param);
8111 if (param_txt == NULL)
8115 case DRV_BR_NET_PARAM_GARP_ACCEPT:
8122 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
8123 ip_version, bss->brname, param_txt);
8125 if (linux_write_system_file(path, val))
8132 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
8135 case HOSTAPD_MODE_IEEE80211B:
8136 return QCA_ACS_MODE_IEEE80211B;
8137 case HOSTAPD_MODE_IEEE80211G:
8138 return QCA_ACS_MODE_IEEE80211G;
8139 case HOSTAPD_MODE_IEEE80211A:
8140 return QCA_ACS_MODE_IEEE80211A;
8141 case HOSTAPD_MODE_IEEE80211AD:
8142 return QCA_ACS_MODE_IEEE80211AD;
8149 static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
8151 struct i802_bss *bss = priv;
8152 struct wpa_driver_nl80211_data *drv = bss->drv;
8154 struct nlattr *data;
8158 mode = hw_mode_to_qca_acs(params->hw_mode);
8162 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
8163 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
8164 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
8165 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
8166 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
8167 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
8168 (params->ht_enabled &&
8169 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
8170 (params->ht40_enabled &&
8171 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED))) {
8175 nla_nest_end(msg, data);
8177 ret = send_and_recv_msgs(drv, msg, NULL, NULL);
8179 wpa_printf(MSG_DEBUG,
8180 "nl80211: Failed to invoke driver ACS function: %s",
8187 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
8189 .desc = "Linux nl80211/cfg80211",
8190 .get_bssid = wpa_driver_nl80211_get_bssid,
8191 .get_ssid = wpa_driver_nl80211_get_ssid,
8192 .set_key = driver_nl80211_set_key,
8193 .scan2 = driver_nl80211_scan2,
8194 .sched_scan = wpa_driver_nl80211_sched_scan,
8195 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
8196 .get_scan_results2 = wpa_driver_nl80211_get_scan_results,
8197 .deauthenticate = driver_nl80211_deauthenticate,
8198 .authenticate = driver_nl80211_authenticate,
8199 .associate = wpa_driver_nl80211_associate,
8200 .global_init = nl80211_global_init,
8201 .global_deinit = nl80211_global_deinit,
8202 .init2 = wpa_driver_nl80211_init,
8203 .deinit = driver_nl80211_deinit,
8204 .get_capa = wpa_driver_nl80211_get_capa,
8205 .set_operstate = wpa_driver_nl80211_set_operstate,
8206 .set_supp_port = wpa_driver_nl80211_set_supp_port,
8207 .set_country = wpa_driver_nl80211_set_country,
8208 .get_country = wpa_driver_nl80211_get_country,
8209 .set_ap = wpa_driver_nl80211_set_ap,
8210 .set_acl = wpa_driver_nl80211_set_acl,
8211 .if_add = wpa_driver_nl80211_if_add,
8212 .if_remove = driver_nl80211_if_remove,
8213 .send_mlme = driver_nl80211_send_mlme,
8214 .get_hw_feature_data = nl80211_get_hw_feature_data,
8215 .sta_add = wpa_driver_nl80211_sta_add,
8216 .sta_remove = driver_nl80211_sta_remove,
8217 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
8218 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
8219 .hapd_init = i802_init,
8220 .hapd_deinit = i802_deinit,
8221 .set_wds_sta = i802_set_wds_sta,
8222 .get_seqnum = i802_get_seqnum,
8223 .flush = i802_flush,
8224 .get_inact_sec = i802_get_inact_sec,
8225 .sta_clear_stats = i802_sta_clear_stats,
8226 .set_rts = i802_set_rts,
8227 .set_frag = i802_set_frag,
8228 .set_tx_queue_params = i802_set_tx_queue_params,
8229 .set_sta_vlan = driver_nl80211_set_sta_vlan,
8230 .sta_deauth = i802_sta_deauth,
8231 .sta_disassoc = i802_sta_disassoc,
8232 .read_sta_data = driver_nl80211_read_sta_data,
8233 .set_freq = i802_set_freq,
8234 .send_action = driver_nl80211_send_action,
8235 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
8236 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
8237 .cancel_remain_on_channel =
8238 wpa_driver_nl80211_cancel_remain_on_channel,
8239 .probe_req_report = driver_nl80211_probe_req_report,
8240 .deinit_ap = wpa_driver_nl80211_deinit_ap,
8241 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
8242 .resume = wpa_driver_nl80211_resume,
8243 .signal_monitor = nl80211_signal_monitor,
8244 .signal_poll = nl80211_signal_poll,
8245 .send_frame = nl80211_send_frame,
8246 .shared_freq = wpa_driver_nl80211_shared_freq,
8247 .set_param = nl80211_set_param,
8248 .get_radio_name = nl80211_get_radio_name,
8249 .add_pmkid = nl80211_add_pmkid,
8250 .remove_pmkid = nl80211_remove_pmkid,
8251 .flush_pmkid = nl80211_flush_pmkid,
8252 .set_rekey_info = nl80211_set_rekey_info,
8253 .poll_client = nl80211_poll_client,
8254 .set_p2p_powersave = nl80211_set_p2p_powersave,
8255 .start_dfs_cac = nl80211_start_radar_detection,
8256 .stop_ap = wpa_driver_nl80211_stop_ap,
8258 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
8259 .tdls_oper = nl80211_tdls_oper,
8260 #endif /* CONFIG_TDLS */
8261 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
8262 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
8263 .get_survey = wpa_driver_nl80211_get_survey,
8264 .status = wpa_driver_nl80211_status,
8265 .switch_channel = nl80211_switch_channel,
8267 .set_noa = wpa_driver_set_p2p_noa,
8268 .get_noa = wpa_driver_get_p2p_noa,
8269 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
8270 #endif /* ANDROID_P2P */
8272 .driver_cmd = wpa_driver_nl80211_driver_cmd,
8273 #endif /* ANDROID */
8274 .vendor_cmd = nl80211_vendor_cmd,
8275 .set_qos_map = nl80211_set_qos_map,
8276 .set_wowlan = nl80211_set_wowlan,
8277 .roaming = nl80211_roaming,
8278 .set_mac_addr = nl80211_set_mac_addr,
8280 .init_mesh = wpa_driver_nl80211_init_mesh,
8281 .join_mesh = wpa_driver_nl80211_join_mesh,
8282 .leave_mesh = wpa_driver_nl80211_leave_mesh,
8283 #endif /* CONFIG_MESH */
8284 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
8285 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
8286 .br_port_set_attr = wpa_driver_br_port_set_attr,
8287 .br_set_net_param = wpa_driver_br_set_net_param,
8288 .add_tx_ts = nl80211_add_ts,
8289 .del_tx_ts = nl80211_del_ts,
8290 .do_acs = wpa_driver_do_acs,