2 * Driver interaction with Linux nl80211/cfg80211
3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
7 * Copyright (c) 2009-2010, Atheros Communications
9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
14 #include <sys/types.h>
17 #include <netlink/genl/genl.h>
18 #include <netlink/genl/ctrl.h>
19 #ifdef CONFIG_LIBNL3_ROUTE
20 #include <netlink/route/neighbour.h>
21 #endif /* CONFIG_LIBNL3_ROUTE */
22 #include <linux/rtnetlink.h>
23 #include <netpacket/packet.h>
24 #include <linux/errqueue.h>
28 #include "common/qca-vendor.h"
29 #include "common/qca-vendor-attr.h"
30 #include "common/ieee802_11_defs.h"
31 #include "common/ieee802_11_common.h"
32 #include "l2_packet/l2_packet.h"
34 #include "linux_defines.h"
35 #include "linux_ioctl.h"
37 #include "radiotap_iter.h"
39 #include "driver_nl80211.h"
42 #ifndef CONFIG_LIBNL20
44 * libnl 1.1 has a bug, it tries to allocate socket numbers densely
45 * but when you free a socket again it will mess up its bitmap and
46 * and use the wrong number the next time it needs a socket ID.
47 * Therefore, we wrap the handle alloc/destroy and add our own pid
50 static uint32_t port_bitmap
[32] = { 0 };
52 static struct nl_handle
*nl80211_handle_alloc(void *cb
)
54 struct nl_handle
*handle
;
55 uint32_t pid
= getpid() & 0x3FFFFF;
58 handle
= nl_handle_alloc_cb(cb
);
60 for (i
= 0; i
< 1024; i
++) {
61 if (port_bitmap
[i
/ 32] & (1 << (i
% 32)))
63 port_bitmap
[i
/ 32] |= 1 << (i
% 32);
68 nl_socket_set_local_port(handle
, pid
);
73 static void nl80211_handle_destroy(struct nl_handle
*handle
)
75 uint32_t port
= nl_socket_get_local_port(handle
);
78 port_bitmap
[port
/ 32] &= ~(1 << (port
% 32));
80 nl_handle_destroy(handle
);
82 #endif /* CONFIG_LIBNL20 */
86 /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
87 #undef nl_socket_set_nonblocking
88 #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
93 static struct nl_handle
* nl_create_handle(struct nl_cb
*cb
, const char *dbg
)
95 struct nl_handle
*handle
;
97 handle
= nl80211_handle_alloc(cb
);
99 wpa_printf(MSG_ERROR
, "nl80211: Failed to allocate netlink "
100 "callbacks (%s)", dbg
);
104 if (genl_connect(handle
)) {
105 wpa_printf(MSG_ERROR
, "nl80211: Failed to connect to generic "
106 "netlink (%s)", dbg
);
107 nl80211_handle_destroy(handle
);
115 static void nl_destroy_handles(struct nl_handle
**handle
)
119 nl80211_handle_destroy(*handle
);
125 #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
127 #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
130 static void nl80211_register_eloop_read(struct nl_handle
**handle
,
131 eloop_sock_handler handler
,
134 #ifdef CONFIG_LIBNL20
136 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
137 * by default. It is possible to hit that limit in some cases where
138 * operations are blocked, e.g., with a burst of Deauthentication frames
139 * to hostapd and STA entry deletion. Try to increase the buffer to make
140 * this less likely to occur.
142 if (nl_socket_set_buffer_size(*handle
, 262144, 0) < 0) {
143 wpa_printf(MSG_DEBUG
,
144 "nl80211: Could not set nl_socket RX buffer size: %s",
146 /* continue anyway with the default (smaller) buffer */
148 #endif /* CONFIG_LIBNL20 */
150 nl_socket_set_nonblocking(*handle
);
151 eloop_register_read_sock(nl_socket_get_fd(*handle
), handler
,
152 eloop_data
, *handle
);
153 *handle
= (void *) (((intptr_t) *handle
) ^ ELOOP_SOCKET_INVALID
);
157 static void nl80211_destroy_eloop_handle(struct nl_handle
**handle
)
159 *handle
= (void *) (((intptr_t) *handle
) ^ ELOOP_SOCKET_INVALID
);
160 eloop_unregister_read_sock(nl_socket_get_fd(*handle
));
161 nl_destroy_handles(handle
);
165 static void nl80211_global_deinit(void *priv
);
166 static void nl80211_check_global(struct nl80211_global
*global
);
168 static void wpa_driver_nl80211_deinit(struct i802_bss
*bss
);
169 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss
*bss
,
170 struct hostapd_freq_params
*freq
);
173 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data
*drv
,
174 const u8
*set_addr
, int first
,
175 const char *driver_params
);
176 static int nl80211_send_frame_cmd(struct i802_bss
*bss
,
177 unsigned int freq
, unsigned int wait
,
178 const u8
*buf
, size_t buf_len
, u64
*cookie
,
179 int no_cck
, int no_ack
, int offchanok
,
180 const u16
*csa_offs
, size_t csa_offs_len
);
181 static int wpa_driver_nl80211_probe_req_report(struct i802_bss
*bss
,
186 static void add_ifidx(struct wpa_driver_nl80211_data
*drv
, int ifidx
,
188 static void del_ifidx(struct wpa_driver_nl80211_data
*drv
, int ifidx
,
190 static int have_ifidx(struct wpa_driver_nl80211_data
*drv
, int ifidx
,
193 static int nl80211_set_channel(struct i802_bss
*bss
,
194 struct hostapd_freq_params
*freq
, int set_chan
);
195 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data
*drv
,
196 int ifindex
, int disabled
);
198 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data
*drv
,
201 static int i802_set_iface_flags(struct i802_bss
*bss
, int up
);
202 static int nl80211_set_param(void *priv
, const char *param
);
205 /* Converts nl80211_chan_width to a common format */
206 enum chan_width
convert2width(int width
)
209 case NL80211_CHAN_WIDTH_20_NOHT
:
210 return CHAN_WIDTH_20_NOHT
;
211 case NL80211_CHAN_WIDTH_20
:
212 return CHAN_WIDTH_20
;
213 case NL80211_CHAN_WIDTH_40
:
214 return CHAN_WIDTH_40
;
215 case NL80211_CHAN_WIDTH_80
:
216 return CHAN_WIDTH_80
;
217 case NL80211_CHAN_WIDTH_80P80
:
218 return CHAN_WIDTH_80P80
;
219 case NL80211_CHAN_WIDTH_160
:
220 return CHAN_WIDTH_160
;
222 return CHAN_WIDTH_UNKNOWN
;
226 int is_ap_interface(enum nl80211_iftype nlmode
)
228 return nlmode
== NL80211_IFTYPE_AP
||
229 nlmode
== NL80211_IFTYPE_P2P_GO
;
233 int is_sta_interface(enum nl80211_iftype nlmode
)
235 return nlmode
== NL80211_IFTYPE_STATION
||
236 nlmode
== NL80211_IFTYPE_P2P_CLIENT
;
240 static int is_p2p_net_interface(enum nl80211_iftype nlmode
)
242 return nlmode
== NL80211_IFTYPE_P2P_CLIENT
||
243 nlmode
== NL80211_IFTYPE_P2P_GO
;
247 struct i802_bss
* get_bss_ifindex(struct wpa_driver_nl80211_data
*drv
,
250 struct i802_bss
*bss
;
252 for (bss
= drv
->first_bss
; bss
; bss
= bss
->next
) {
253 if (bss
->ifindex
== ifindex
)
261 static int is_mesh_interface(enum nl80211_iftype nlmode
)
263 return nlmode
== NL80211_IFTYPE_MESH_POINT
;
267 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data
*drv
)
270 os_memcpy(drv
->prev_bssid
, drv
->bssid
, ETH_ALEN
);
272 os_memset(drv
->bssid
, 0, ETH_ALEN
);
277 static int ack_handler(struct nl_msg
*msg
, void *arg
)
284 static int finish_handler(struct nl_msg
*msg
, void *arg
)
291 static int error_handler(struct sockaddr_nl
*nla
, struct nlmsgerr
*err
,
300 static int no_seq_check(struct nl_msg
*msg
, void *arg
)
306 static void nl80211_nlmsg_clear(struct nl_msg
*msg
)
309 * Clear nlmsg data, e.g., to make sure key material is not left in
310 * heap memory for unnecessarily long time.
313 struct nlmsghdr
*hdr
= nlmsg_hdr(msg
);
314 void *data
= nlmsg_data(hdr
);
316 * This would use nlmsg_datalen() or the older nlmsg_len() if
317 * only libnl were to maintain a stable API.. Neither will work
318 * with all released versions, so just calculate the length
321 int len
= hdr
->nlmsg_len
- NLMSG_HDRLEN
;
323 os_memset(data
, 0, len
);
328 static int send_and_recv(struct nl80211_global
*global
,
329 struct nl_handle
*nl_handle
, struct nl_msg
*msg
,
330 int (*valid_handler
)(struct nl_msg
*, void *),
339 cb
= nl_cb_clone(global
->nl_cb
);
343 err
= nl_send_auto_complete(nl_handle
, msg
);
349 nl_cb_err(cb
, NL_CB_CUSTOM
, error_handler
, &err
);
350 nl_cb_set(cb
, NL_CB_FINISH
, NL_CB_CUSTOM
, finish_handler
, &err
);
351 nl_cb_set(cb
, NL_CB_ACK
, NL_CB_CUSTOM
, ack_handler
, &err
);
354 nl_cb_set(cb
, NL_CB_VALID
, NL_CB_CUSTOM
,
355 valid_handler
, valid_data
);
358 int res
= nl_recvmsgs(nl_handle
, cb
);
361 "nl80211: %s->nl_recvmsgs failed: %d",
367 if (!valid_handler
&& valid_data
== (void *) -1)
368 nl80211_nlmsg_clear(msg
);
374 int send_and_recv_msgs(struct wpa_driver_nl80211_data
*drv
,
376 int (*valid_handler
)(struct nl_msg
*, void *),
379 return send_and_recv(drv
->global
, drv
->global
->nl
, msg
,
380 valid_handler
, valid_data
);
390 static int family_handler(struct nl_msg
*msg
, void *arg
)
392 struct family_data
*res
= arg
;
393 struct nlattr
*tb
[CTRL_ATTR_MAX
+ 1];
394 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
395 struct nlattr
*mcgrp
;
398 nla_parse(tb
, CTRL_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
399 genlmsg_attrlen(gnlh
, 0), NULL
);
400 if (!tb
[CTRL_ATTR_MCAST_GROUPS
])
403 nla_for_each_nested(mcgrp
, tb
[CTRL_ATTR_MCAST_GROUPS
], i
) {
404 struct nlattr
*tb2
[CTRL_ATTR_MCAST_GRP_MAX
+ 1];
405 nla_parse(tb2
, CTRL_ATTR_MCAST_GRP_MAX
, nla_data(mcgrp
),
406 nla_len(mcgrp
), NULL
);
407 if (!tb2
[CTRL_ATTR_MCAST_GRP_NAME
] ||
408 !tb2
[CTRL_ATTR_MCAST_GRP_ID
] ||
409 os_strncmp(nla_data(tb2
[CTRL_ATTR_MCAST_GRP_NAME
]),
411 nla_len(tb2
[CTRL_ATTR_MCAST_GRP_NAME
])) != 0)
413 res
->id
= nla_get_u32(tb2
[CTRL_ATTR_MCAST_GRP_ID
]);
421 static int nl_get_multicast_id(struct nl80211_global
*global
,
422 const char *family
, const char *group
)
426 struct family_data res
= { group
, -ENOENT
};
431 if (!genlmsg_put(msg
, 0, 0, genl_ctrl_resolve(global
->nl
, "nlctrl"),
432 0, 0, CTRL_CMD_GETFAMILY
, 0) ||
433 nla_put_string(msg
, CTRL_ATTR_FAMILY_NAME
, family
)) {
438 ret
= send_and_recv(global
, global
->nl
, msg
, family_handler
, &res
);
445 void * nl80211_cmd(struct wpa_driver_nl80211_data
*drv
,
446 struct nl_msg
*msg
, int flags
, uint8_t cmd
)
448 return genlmsg_put(msg
, 0, 0, drv
->global
->nl80211_id
,
453 static int nl80211_set_iface_id(struct nl_msg
*msg
, struct i802_bss
*bss
)
455 if (bss
->wdev_id_set
)
456 return nla_put_u64(msg
, NL80211_ATTR_WDEV
, bss
->wdev_id
);
457 return nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, bss
->ifindex
);
461 struct nl_msg
* nl80211_cmd_msg(struct i802_bss
*bss
, int flags
, uint8_t cmd
)
469 if (!nl80211_cmd(bss
->drv
, msg
, flags
, cmd
) ||
470 nl80211_set_iface_id(msg
, bss
) < 0) {
479 static struct nl_msg
*
480 nl80211_ifindex_msg(struct wpa_driver_nl80211_data
*drv
, int ifindex
,
481 int flags
, uint8_t cmd
)
489 if (!nl80211_cmd(drv
, msg
, flags
, cmd
) ||
490 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, ifindex
)) {
499 struct nl_msg
* nl80211_drv_msg(struct wpa_driver_nl80211_data
*drv
, int flags
,
502 return nl80211_ifindex_msg(drv
, drv
->ifindex
, flags
, cmd
);
506 struct nl_msg
* nl80211_bss_msg(struct i802_bss
*bss
, int flags
, uint8_t cmd
)
508 return nl80211_ifindex_msg(bss
->drv
, bss
->ifindex
, flags
, cmd
);
512 struct wiphy_idx_data
{
514 enum nl80211_iftype nlmode
;
519 static int netdev_info_handler(struct nl_msg
*msg
, void *arg
)
521 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
522 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
523 struct wiphy_idx_data
*info
= arg
;
525 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
526 genlmsg_attrlen(gnlh
, 0), NULL
);
528 if (tb
[NL80211_ATTR_WIPHY
])
529 info
->wiphy_idx
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
531 if (tb
[NL80211_ATTR_IFTYPE
])
532 info
->nlmode
= nla_get_u32(tb
[NL80211_ATTR_IFTYPE
]);
534 if (tb
[NL80211_ATTR_MAC
] && info
->macaddr
)
535 os_memcpy(info
->macaddr
, nla_data(tb
[NL80211_ATTR_MAC
]),
542 int nl80211_get_wiphy_index(struct i802_bss
*bss
)
545 struct wiphy_idx_data data
= {
550 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_GET_INTERFACE
)))
553 if (send_and_recv_msgs(bss
->drv
, msg
, netdev_info_handler
, &data
) == 0)
554 return data
.wiphy_idx
;
559 static enum nl80211_iftype
nl80211_get_ifmode(struct i802_bss
*bss
)
562 struct wiphy_idx_data data
= {
563 .nlmode
= NL80211_IFTYPE_UNSPECIFIED
,
567 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_GET_INTERFACE
)))
568 return NL80211_IFTYPE_UNSPECIFIED
;
570 if (send_and_recv_msgs(bss
->drv
, msg
, netdev_info_handler
, &data
) == 0)
572 return NL80211_IFTYPE_UNSPECIFIED
;
576 static int nl80211_get_macaddr(struct i802_bss
*bss
)
579 struct wiphy_idx_data data
= {
580 .macaddr
= bss
->addr
,
583 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_GET_INTERFACE
)))
586 return send_and_recv_msgs(bss
->drv
, msg
, netdev_info_handler
, &data
);
590 static int nl80211_register_beacons(struct wpa_driver_nl80211_data
*drv
,
591 struct nl80211_wiphy_data
*w
)
600 if (!nl80211_cmd(drv
, msg
, 0, NL80211_CMD_REGISTER_BEACONS
) ||
601 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, w
->wiphy_idx
)) {
606 ret
= send_and_recv(drv
->global
, w
->nl_beacons
, msg
, NULL
, NULL
);
608 wpa_printf(MSG_DEBUG
, "nl80211: Register beacons command "
609 "failed: ret=%d (%s)",
610 ret
, strerror(-ret
));
616 static void nl80211_recv_beacons(int sock
, void *eloop_ctx
, void *handle
)
618 struct nl80211_wiphy_data
*w
= eloop_ctx
;
621 wpa_printf(MSG_EXCESSIVE
, "nl80211: Beacon event message available");
623 res
= nl_recvmsgs(handle
, w
->nl_cb
);
625 wpa_printf(MSG_INFO
, "nl80211: %s->nl_recvmsgs failed: %d",
631 static int process_beacon_event(struct nl_msg
*msg
, void *arg
)
633 struct nl80211_wiphy_data
*w
= arg
;
634 struct wpa_driver_nl80211_data
*drv
;
635 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
636 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
637 union wpa_event_data event
;
639 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
640 genlmsg_attrlen(gnlh
, 0), NULL
);
642 if (gnlh
->cmd
!= NL80211_CMD_FRAME
) {
643 wpa_printf(MSG_DEBUG
, "nl80211: Unexpected beacon event? (%d)",
648 if (!tb
[NL80211_ATTR_FRAME
])
651 dl_list_for_each(drv
, &w
->drvs
, struct wpa_driver_nl80211_data
,
653 os_memset(&event
, 0, sizeof(event
));
654 event
.rx_mgmt
.frame
= nla_data(tb
[NL80211_ATTR_FRAME
]);
655 event
.rx_mgmt
.frame_len
= nla_len(tb
[NL80211_ATTR_FRAME
]);
656 wpa_supplicant_event(drv
->ctx
, EVENT_RX_MGMT
, &event
);
663 static struct nl80211_wiphy_data
*
664 nl80211_get_wiphy_data_ap(struct i802_bss
*bss
)
666 static DEFINE_DL_LIST(nl80211_wiphys
);
667 struct nl80211_wiphy_data
*w
;
668 int wiphy_idx
, found
= 0;
669 struct i802_bss
*tmp_bss
;
671 if (bss
->wiphy_data
!= NULL
)
672 return bss
->wiphy_data
;
674 wiphy_idx
= nl80211_get_wiphy_index(bss
);
676 dl_list_for_each(w
, &nl80211_wiphys
, struct nl80211_wiphy_data
, list
) {
677 if (w
->wiphy_idx
== wiphy_idx
)
682 w
= os_zalloc(sizeof(*w
));
685 w
->wiphy_idx
= wiphy_idx
;
686 dl_list_init(&w
->bsss
);
687 dl_list_init(&w
->drvs
);
689 w
->nl_cb
= nl_cb_alloc(NL_CB_DEFAULT
);
694 nl_cb_set(w
->nl_cb
, NL_CB_SEQ_CHECK
, NL_CB_CUSTOM
, no_seq_check
, NULL
);
695 nl_cb_set(w
->nl_cb
, NL_CB_VALID
, NL_CB_CUSTOM
, process_beacon_event
,
698 w
->nl_beacons
= nl_create_handle(bss
->drv
->global
->nl_cb
,
700 if (w
->nl_beacons
== NULL
) {
705 if (nl80211_register_beacons(bss
->drv
, w
)) {
706 nl_destroy_handles(&w
->nl_beacons
);
711 nl80211_register_eloop_read(&w
->nl_beacons
, nl80211_recv_beacons
, w
);
713 dl_list_add(&nl80211_wiphys
, &w
->list
);
716 /* drv entry for this bss already there? */
717 dl_list_for_each(tmp_bss
, &w
->bsss
, struct i802_bss
, wiphy_list
) {
718 if (tmp_bss
->drv
== bss
->drv
) {
725 dl_list_add(&w
->drvs
, &bss
->drv
->wiphy_list
);
727 dl_list_add(&w
->bsss
, &bss
->wiphy_list
);
733 static void nl80211_put_wiphy_data_ap(struct i802_bss
*bss
)
735 struct nl80211_wiphy_data
*w
= bss
->wiphy_data
;
736 struct i802_bss
*tmp_bss
;
741 bss
->wiphy_data
= NULL
;
742 dl_list_del(&bss
->wiphy_list
);
744 /* still any for this drv present? */
745 dl_list_for_each(tmp_bss
, &w
->bsss
, struct i802_bss
, wiphy_list
) {
746 if (tmp_bss
->drv
== bss
->drv
) {
751 /* if not remove it */
753 dl_list_del(&bss
->drv
->wiphy_list
);
755 if (!dl_list_empty(&w
->bsss
))
758 nl80211_destroy_eloop_handle(&w
->nl_beacons
);
761 dl_list_del(&w
->list
);
766 static unsigned int nl80211_get_ifindex(void *priv
)
768 struct i802_bss
*bss
= priv
;
769 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
775 static int wpa_driver_nl80211_get_bssid(void *priv
, u8
*bssid
)
777 struct i802_bss
*bss
= priv
;
778 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
779 if (!drv
->associated
)
781 os_memcpy(bssid
, drv
->bssid
, ETH_ALEN
);
786 static int wpa_driver_nl80211_get_ssid(void *priv
, u8
*ssid
)
788 struct i802_bss
*bss
= priv
;
789 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
790 if (!drv
->associated
)
792 os_memcpy(ssid
, drv
->ssid
, drv
->ssid_len
);
793 return drv
->ssid_len
;
797 static void wpa_driver_nl80211_event_newlink(
798 struct nl80211_global
*global
, struct wpa_driver_nl80211_data
*drv
,
799 int ifindex
, const char *ifname
)
801 union wpa_event_data event
;
803 if (drv
&& os_strcmp(drv
->first_bss
->ifname
, ifname
) == 0) {
804 if (if_nametoindex(drv
->first_bss
->ifname
) == 0) {
805 wpa_printf(MSG_DEBUG
, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
806 drv
->first_bss
->ifname
);
809 if (!drv
->if_removed
)
811 wpa_printf(MSG_DEBUG
, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
812 drv
->first_bss
->ifname
);
816 os_memset(&event
, 0, sizeof(event
));
817 event
.interface_status
.ifindex
= ifindex
;
818 os_strlcpy(event
.interface_status
.ifname
, ifname
,
819 sizeof(event
.interface_status
.ifname
));
820 event
.interface_status
.ievent
= EVENT_INTERFACE_ADDED
;
822 wpa_supplicant_event(drv
->ctx
, EVENT_INTERFACE_STATUS
, &event
);
824 wpa_supplicant_event_global(global
->ctx
, EVENT_INTERFACE_STATUS
,
829 static void wpa_driver_nl80211_event_dellink(
830 struct nl80211_global
*global
, struct wpa_driver_nl80211_data
*drv
,
831 int ifindex
, const char *ifname
)
833 union wpa_event_data event
;
835 if (drv
&& os_strcmp(drv
->first_bss
->ifname
, ifname
) == 0) {
836 if (drv
->if_removed
) {
837 wpa_printf(MSG_DEBUG
, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
841 wpa_printf(MSG_DEBUG
, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
845 wpa_printf(MSG_DEBUG
, "RTM_DELLINK: Interface '%s' removed",
849 os_memset(&event
, 0, sizeof(event
));
850 event
.interface_status
.ifindex
= ifindex
;
851 os_strlcpy(event
.interface_status
.ifname
, ifname
,
852 sizeof(event
.interface_status
.ifname
));
853 event
.interface_status
.ievent
= EVENT_INTERFACE_REMOVED
;
855 wpa_supplicant_event(drv
->ctx
, EVENT_INTERFACE_STATUS
, &event
);
857 wpa_supplicant_event_global(global
->ctx
, EVENT_INTERFACE_STATUS
,
862 static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data
*drv
,
865 int attrlen
, rta_len
;
869 attr
= (struct rtattr
*) buf
;
871 rta_len
= RTA_ALIGN(sizeof(struct rtattr
));
872 while (RTA_OK(attr
, attrlen
)) {
873 if (attr
->rta_type
== IFLA_IFNAME
) {
874 if (os_strcmp(((char *) attr
) + rta_len
,
875 drv
->first_bss
->ifname
) == 0)
880 attr
= RTA_NEXT(attr
, attrlen
);
887 static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data
*drv
,
888 int ifindex
, u8
*buf
, size_t len
)
890 if (drv
->ifindex
== ifindex
)
893 if (drv
->if_removed
&& wpa_driver_nl80211_own_ifname(drv
, buf
, len
)) {
894 nl80211_check_global(drv
->global
);
895 wpa_printf(MSG_DEBUG
, "nl80211: Update ifindex for a removed "
897 wpa_driver_nl80211_finish_drv_init(drv
, NULL
, 0, NULL
);
905 static struct wpa_driver_nl80211_data
*
906 nl80211_find_drv(struct nl80211_global
*global
, int idx
, u8
*buf
, size_t len
)
908 struct wpa_driver_nl80211_data
*drv
;
909 dl_list_for_each(drv
, &global
->interfaces
,
910 struct wpa_driver_nl80211_data
, list
) {
911 if (wpa_driver_nl80211_own_ifindex(drv
, idx
, buf
, len
) ||
912 have_ifidx(drv
, idx
, IFIDX_ANY
))
919 static void wpa_driver_nl80211_event_rtm_newlink(void *ctx
,
920 struct ifinfomsg
*ifi
,
923 struct nl80211_global
*global
= ctx
;
924 struct wpa_driver_nl80211_data
*drv
;
928 char namebuf
[IFNAMSIZ
];
929 char ifname
[IFNAMSIZ
+ 1];
930 char extra
[100], *pos
, *end
;
934 end
= pos
+ sizeof(extra
);
938 attr
= (struct rtattr
*) buf
;
939 while (RTA_OK(attr
, attrlen
)) {
940 switch (attr
->rta_type
) {
942 if (RTA_PAYLOAD(attr
) >= IFNAMSIZ
)
944 os_memcpy(ifname
, RTA_DATA(attr
), RTA_PAYLOAD(attr
));
945 ifname
[RTA_PAYLOAD(attr
)] = '\0';
948 brid
= nla_get_u32((struct nlattr
*) attr
);
949 pos
+= os_snprintf(pos
, end
- pos
, " master=%u", brid
);
952 pos
+= os_snprintf(pos
, end
- pos
, " wext");
955 pos
+= os_snprintf(pos
, end
- pos
, " operstate=%u",
956 nla_get_u32((struct nlattr
*) attr
));
959 pos
+= os_snprintf(pos
, end
- pos
, " linkmode=%u",
960 nla_get_u32((struct nlattr
*) attr
));
963 attr
= RTA_NEXT(attr
, attrlen
);
965 extra
[sizeof(extra
) - 1] = '\0';
967 wpa_printf(MSG_DEBUG
, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
968 ifi
->ifi_index
, ifname
, extra
, ifi
->ifi_family
,
970 (ifi
->ifi_flags
& IFF_UP
) ? "[UP]" : "",
971 (ifi
->ifi_flags
& IFF_RUNNING
) ? "[RUNNING]" : "",
972 (ifi
->ifi_flags
& IFF_LOWER_UP
) ? "[LOWER_UP]" : "",
973 (ifi
->ifi_flags
& IFF_DORMANT
) ? "[DORMANT]" : "");
975 drv
= nl80211_find_drv(global
, ifi
->ifi_index
, buf
, len
);
979 if (!drv
->if_disabled
&& !(ifi
->ifi_flags
& IFF_UP
)) {
981 if (if_indextoname(ifi
->ifi_index
, namebuf
) &&
982 linux_iface_up(drv
->global
->ioctl_sock
, namebuf
) > 0) {
983 wpa_printf(MSG_DEBUG
, "nl80211: Ignore interface down "
984 "event since interface %s is up", namebuf
);
985 drv
->ignore_if_down_event
= 0;
988 wpa_printf(MSG_DEBUG
, "nl80211: Interface down (%s/%s)",
990 if (os_strcmp(drv
->first_bss
->ifname
, ifname
) != 0) {
991 wpa_printf(MSG_DEBUG
,
992 "nl80211: Not the main interface (%s) - do not indicate interface down",
993 drv
->first_bss
->ifname
);
994 } else if (drv
->ignore_if_down_event
) {
995 wpa_printf(MSG_DEBUG
, "nl80211: Ignore interface down "
996 "event generated by mode change");
997 drv
->ignore_if_down_event
= 0;
999 drv
->if_disabled
= 1;
1000 wpa_supplicant_event(drv
->ctx
,
1001 EVENT_INTERFACE_DISABLED
, NULL
);
1004 * Try to get drv again, since it may be removed as
1005 * part of the EVENT_INTERFACE_DISABLED handling for
1006 * dynamic interfaces
1008 drv
= nl80211_find_drv(global
, ifi
->ifi_index
,
1015 if (drv
->if_disabled
&& (ifi
->ifi_flags
& IFF_UP
)) {
1016 if (if_indextoname(ifi
->ifi_index
, namebuf
) &&
1017 linux_iface_up(drv
->global
->ioctl_sock
, namebuf
) == 0) {
1018 wpa_printf(MSG_DEBUG
, "nl80211: Ignore interface up "
1019 "event since interface %s is down",
1021 } else if (if_nametoindex(drv
->first_bss
->ifname
) == 0) {
1022 wpa_printf(MSG_DEBUG
, "nl80211: Ignore interface up "
1023 "event since interface %s does not exist",
1024 drv
->first_bss
->ifname
);
1025 } else if (drv
->if_removed
) {
1026 wpa_printf(MSG_DEBUG
, "nl80211: Ignore interface up "
1027 "event since interface %s is marked "
1028 "removed", drv
->first_bss
->ifname
);
1030 struct i802_bss
*bss
;
1033 /* Re-read MAC address as it may have changed */
1034 bss
= get_bss_ifindex(drv
, ifi
->ifi_index
);
1036 linux_get_ifhwaddr(drv
->global
->ioctl_sock
,
1037 bss
->ifname
, addr
) < 0) {
1038 wpa_printf(MSG_DEBUG
,
1039 "nl80211: %s: failed to re-read MAC address",
1042 os_memcmp(addr
, bss
->addr
, ETH_ALEN
) != 0) {
1043 wpa_printf(MSG_DEBUG
,
1044 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1045 MACSTR
" to " MACSTR
,
1046 ifi
->ifi_index
, bss
->ifname
,
1049 os_memcpy(bss
->addr
, addr
, ETH_ALEN
);
1052 wpa_printf(MSG_DEBUG
, "nl80211: Interface up");
1053 drv
->if_disabled
= 0;
1054 wpa_supplicant_event(drv
->ctx
, EVENT_INTERFACE_ENABLED
,
1060 * Some drivers send the association event before the operup event--in
1061 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1062 * fails. This will hit us when wpa_supplicant does not need to do
1063 * IEEE 802.1X authentication
1065 if (drv
->operstate
== 1 &&
1066 (ifi
->ifi_flags
& (IFF_LOWER_UP
| IFF_DORMANT
)) == IFF_LOWER_UP
&&
1067 !(ifi
->ifi_flags
& IFF_RUNNING
)) {
1068 wpa_printf(MSG_DEBUG
, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1069 netlink_send_oper_ifla(drv
->global
->netlink
, drv
->ifindex
,
1075 wpa_driver_nl80211_event_newlink(global
, drv
, ifi
->ifi_index
,
1078 if (ifi
->ifi_family
== AF_BRIDGE
&& brid
&& drv
) {
1079 struct i802_bss
*bss
;
1081 /* device has been added to bridge */
1082 if (!if_indextoname(brid
, namebuf
)) {
1083 wpa_printf(MSG_DEBUG
,
1084 "nl80211: Could not find bridge ifname for ifindex %u",
1088 wpa_printf(MSG_DEBUG
, "nl80211: Add ifindex %u for bridge %s",
1090 add_ifidx(drv
, brid
, ifi
->ifi_index
);
1092 for (bss
= drv
->first_bss
; bss
; bss
= bss
->next
) {
1093 if (os_strcmp(ifname
, bss
->ifname
) == 0) {
1094 os_strlcpy(bss
->brname
, namebuf
, IFNAMSIZ
);
1102 static void wpa_driver_nl80211_event_rtm_dellink(void *ctx
,
1103 struct ifinfomsg
*ifi
,
1104 u8
*buf
, size_t len
)
1106 struct nl80211_global
*global
= ctx
;
1107 struct wpa_driver_nl80211_data
*drv
;
1109 struct rtattr
*attr
;
1111 char ifname
[IFNAMSIZ
+ 1];
1112 char extra
[100], *pos
, *end
;
1116 end
= pos
+ sizeof(extra
);
1120 attr
= (struct rtattr
*) buf
;
1121 while (RTA_OK(attr
, attrlen
)) {
1122 switch (attr
->rta_type
) {
1124 if (RTA_PAYLOAD(attr
) >= IFNAMSIZ
)
1126 os_memcpy(ifname
, RTA_DATA(attr
), RTA_PAYLOAD(attr
));
1127 ifname
[RTA_PAYLOAD(attr
)] = '\0';
1130 brid
= nla_get_u32((struct nlattr
*) attr
);
1131 pos
+= os_snprintf(pos
, end
- pos
, " master=%u", brid
);
1133 case IFLA_OPERSTATE
:
1134 pos
+= os_snprintf(pos
, end
- pos
, " operstate=%u",
1135 nla_get_u32((struct nlattr
*) attr
));
1138 pos
+= os_snprintf(pos
, end
- pos
, " linkmode=%u",
1139 nla_get_u32((struct nlattr
*) attr
));
1142 attr
= RTA_NEXT(attr
, attrlen
);
1144 extra
[sizeof(extra
) - 1] = '\0';
1146 wpa_printf(MSG_DEBUG
, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1147 ifi
->ifi_index
, ifname
, extra
, ifi
->ifi_family
,
1149 (ifi
->ifi_flags
& IFF_UP
) ? "[UP]" : "",
1150 (ifi
->ifi_flags
& IFF_RUNNING
) ? "[RUNNING]" : "",
1151 (ifi
->ifi_flags
& IFF_LOWER_UP
) ? "[LOWER_UP]" : "",
1152 (ifi
->ifi_flags
& IFF_DORMANT
) ? "[DORMANT]" : "");
1154 drv
= nl80211_find_drv(global
, ifi
->ifi_index
, buf
, len
);
1156 if (ifi
->ifi_family
== AF_BRIDGE
&& brid
&& drv
) {
1157 /* device has been removed from bridge */
1158 char namebuf
[IFNAMSIZ
];
1160 if (!if_indextoname(brid
, namebuf
)) {
1161 wpa_printf(MSG_DEBUG
,
1162 "nl80211: Could not find bridge ifname for ifindex %u",
1165 wpa_printf(MSG_DEBUG
,
1166 "nl80211: Remove ifindex %u for bridge %s",
1169 del_ifidx(drv
, brid
, ifi
->ifi_index
);
1172 if (ifi
->ifi_family
!= AF_BRIDGE
|| !brid
)
1173 wpa_driver_nl80211_event_dellink(global
, drv
, ifi
->ifi_index
,
1178 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data
*drv
)
1182 struct nl80211_bss_info_arg arg
;
1184 msg
= nl80211_drv_msg(drv
, NLM_F_DUMP
, NL80211_CMD_GET_SCAN
);
1185 os_memset(&arg
, 0, sizeof(arg
));
1187 ret
= send_and_recv_msgs(drv
, msg
, bss_info_handler
, &arg
);
1189 unsigned int freq
= drv
->nlmode
== NL80211_IFTYPE_ADHOC
?
1190 arg
.ibss_freq
: arg
.assoc_freq
;
1191 wpa_printf(MSG_DEBUG
, "nl80211: Operating frequency for the "
1192 "associated BSS from scan results: %u MHz", freq
);
1194 drv
->assoc_freq
= freq
;
1195 return drv
->assoc_freq
;
1197 wpa_printf(MSG_DEBUG
, "nl80211: Scan result fetch failed: ret=%d "
1198 "(%s)", ret
, strerror(-ret
));
1199 return drv
->assoc_freq
;
1203 static int get_link_signal(struct nl_msg
*msg
, void *arg
)
1205 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
1206 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
1207 struct nlattr
*sinfo
[NL80211_STA_INFO_MAX
+ 1];
1208 static struct nla_policy policy
[NL80211_STA_INFO_MAX
+ 1] = {
1209 [NL80211_STA_INFO_SIGNAL
] = { .type
= NLA_U8
},
1210 [NL80211_STA_INFO_SIGNAL_AVG
] = { .type
= NLA_U8
},
1211 [NL80211_STA_INFO_BEACON_SIGNAL_AVG
] = { .type
= NLA_U8
},
1213 struct nlattr
*rinfo
[NL80211_RATE_INFO_MAX
+ 1];
1214 static struct nla_policy rate_policy
[NL80211_RATE_INFO_MAX
+ 1] = {
1215 [NL80211_RATE_INFO_BITRATE
] = { .type
= NLA_U16
},
1216 [NL80211_RATE_INFO_MCS
] = { .type
= NLA_U8
},
1217 [NL80211_RATE_INFO_40_MHZ_WIDTH
] = { .type
= NLA_FLAG
},
1218 [NL80211_RATE_INFO_SHORT_GI
] = { .type
= NLA_FLAG
},
1220 struct wpa_signal_info
*sig_change
= arg
;
1222 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
1223 genlmsg_attrlen(gnlh
, 0), NULL
);
1224 if (!tb
[NL80211_ATTR_STA_INFO
] ||
1225 nla_parse_nested(sinfo
, NL80211_STA_INFO_MAX
,
1226 tb
[NL80211_ATTR_STA_INFO
], policy
))
1228 if (!sinfo
[NL80211_STA_INFO_SIGNAL
])
1231 sig_change
->current_signal
=
1232 (s8
) nla_get_u8(sinfo
[NL80211_STA_INFO_SIGNAL
]);
1234 if (sinfo
[NL80211_STA_INFO_SIGNAL_AVG
])
1235 sig_change
->avg_signal
=
1236 (s8
) nla_get_u8(sinfo
[NL80211_STA_INFO_SIGNAL_AVG
]);
1238 sig_change
->avg_signal
= 0;
1240 if (sinfo
[NL80211_STA_INFO_BEACON_SIGNAL_AVG
])
1241 sig_change
->avg_beacon_signal
=
1243 nla_get_u8(sinfo
[NL80211_STA_INFO_BEACON_SIGNAL_AVG
]);
1245 sig_change
->avg_beacon_signal
= 0;
1247 if (sinfo
[NL80211_STA_INFO_TX_BITRATE
]) {
1248 if (nla_parse_nested(rinfo
, NL80211_RATE_INFO_MAX
,
1249 sinfo
[NL80211_STA_INFO_TX_BITRATE
],
1251 sig_change
->current_txrate
= 0;
1253 if (rinfo
[NL80211_RATE_INFO_BITRATE
]) {
1254 sig_change
->current_txrate
=
1256 NL80211_RATE_INFO_BITRATE
]) * 100;
1265 int nl80211_get_link_signal(struct wpa_driver_nl80211_data
*drv
,
1266 struct wpa_signal_info
*sig
)
1270 sig
->current_signal
= -9999;
1271 sig
->current_txrate
= 0;
1273 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_GET_STATION
)) ||
1274 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, drv
->bssid
)) {
1279 return send_and_recv_msgs(drv
, msg
, get_link_signal
, sig
);
1283 static int get_link_noise(struct nl_msg
*msg
, void *arg
)
1285 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
1286 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
1287 struct nlattr
*sinfo
[NL80211_SURVEY_INFO_MAX
+ 1];
1288 static struct nla_policy survey_policy
[NL80211_SURVEY_INFO_MAX
+ 1] = {
1289 [NL80211_SURVEY_INFO_FREQUENCY
] = { .type
= NLA_U32
},
1290 [NL80211_SURVEY_INFO_NOISE
] = { .type
= NLA_U8
},
1292 struct wpa_signal_info
*sig_change
= arg
;
1294 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
1295 genlmsg_attrlen(gnlh
, 0), NULL
);
1297 if (!tb
[NL80211_ATTR_SURVEY_INFO
]) {
1298 wpa_printf(MSG_DEBUG
, "nl80211: survey data missing!");
1302 if (nla_parse_nested(sinfo
, NL80211_SURVEY_INFO_MAX
,
1303 tb
[NL80211_ATTR_SURVEY_INFO
],
1305 wpa_printf(MSG_DEBUG
, "nl80211: failed to parse nested "
1310 if (!sinfo
[NL80211_SURVEY_INFO_FREQUENCY
])
1313 if (nla_get_u32(sinfo
[NL80211_SURVEY_INFO_FREQUENCY
]) !=
1314 sig_change
->frequency
)
1317 if (!sinfo
[NL80211_SURVEY_INFO_NOISE
])
1320 sig_change
->current_noise
=
1321 (s8
) nla_get_u8(sinfo
[NL80211_SURVEY_INFO_NOISE
]);
1327 int nl80211_get_link_noise(struct wpa_driver_nl80211_data
*drv
,
1328 struct wpa_signal_info
*sig_change
)
1332 sig_change
->current_noise
= 9999;
1333 sig_change
->frequency
= drv
->assoc_freq
;
1335 msg
= nl80211_drv_msg(drv
, NLM_F_DUMP
, NL80211_CMD_GET_SURVEY
);
1336 return send_and_recv_msgs(drv
, msg
, get_link_noise
, sig_change
);
1340 static void wpa_driver_nl80211_event_receive(int sock
, void *eloop_ctx
,
1343 struct nl_cb
*cb
= eloop_ctx
;
1346 wpa_printf(MSG_MSGDUMP
, "nl80211: Event message available");
1348 res
= nl_recvmsgs(handle
, cb
);
1350 wpa_printf(MSG_INFO
, "nl80211: %s->nl_recvmsgs failed: %d",
1357 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1358 * @priv: driver_nl80211 private data
1359 * @alpha2_arg: country to which to switch to
1360 * Returns: 0 on success, -1 on failure
1362 * This asks nl80211 to set the regulatory domain for given
1363 * country ISO / IEC alpha2.
1365 static int wpa_driver_nl80211_set_country(void *priv
, const char *alpha2_arg
)
1367 struct i802_bss
*bss
= priv
;
1368 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
1372 msg
= nlmsg_alloc();
1376 alpha2
[0] = alpha2_arg
[0];
1377 alpha2
[1] = alpha2_arg
[1];
1380 if (!nl80211_cmd(drv
, msg
, 0, NL80211_CMD_REQ_SET_REG
) ||
1381 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, alpha2
)) {
1385 if (send_and_recv_msgs(drv
, msg
, NULL
, NULL
))
1391 static int nl80211_get_country(struct nl_msg
*msg
, void *arg
)
1394 struct nlattr
*tb_msg
[NL80211_ATTR_MAX
+ 1];
1395 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
1397 nla_parse(tb_msg
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
1398 genlmsg_attrlen(gnlh
, 0), NULL
);
1399 if (!tb_msg
[NL80211_ATTR_REG_ALPHA2
]) {
1400 wpa_printf(MSG_DEBUG
, "nl80211: No country information available");
1403 os_strlcpy(alpha2
, nla_data(tb_msg
[NL80211_ATTR_REG_ALPHA2
]), 3);
1408 static int wpa_driver_nl80211_get_country(void *priv
, char *alpha2
)
1410 struct i802_bss
*bss
= priv
;
1411 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
1415 msg
= nlmsg_alloc();
1419 nl80211_cmd(drv
, msg
, 0, NL80211_CMD_GET_REG
);
1421 ret
= send_and_recv_msgs(drv
, msg
, nl80211_get_country
, alpha2
);
1429 static int wpa_driver_nl80211_init_nl_global(struct nl80211_global
*global
)
1433 global
->nl_cb
= nl_cb_alloc(NL_CB_DEFAULT
);
1434 if (global
->nl_cb
== NULL
) {
1435 wpa_printf(MSG_ERROR
, "nl80211: Failed to allocate netlink "
1440 global
->nl
= nl_create_handle(global
->nl_cb
, "nl");
1441 if (global
->nl
== NULL
)
1444 global
->nl80211_id
= genl_ctrl_resolve(global
->nl
, "nl80211");
1445 if (global
->nl80211_id
< 0) {
1446 wpa_printf(MSG_ERROR
, "nl80211: 'nl80211' generic netlink not "
1451 global
->nl_event
= nl_create_handle(global
->nl_cb
, "event");
1452 if (global
->nl_event
== NULL
)
1455 ret
= nl_get_multicast_id(global
, "nl80211", "scan");
1457 ret
= nl_socket_add_membership(global
->nl_event
, ret
);
1459 wpa_printf(MSG_ERROR
, "nl80211: Could not add multicast "
1460 "membership for scan events: %d (%s)",
1461 ret
, strerror(-ret
));
1465 ret
= nl_get_multicast_id(global
, "nl80211", "mlme");
1467 ret
= nl_socket_add_membership(global
->nl_event
, ret
);
1469 wpa_printf(MSG_ERROR
, "nl80211: Could not add multicast "
1470 "membership for mlme events: %d (%s)",
1471 ret
, strerror(-ret
));
1475 ret
= nl_get_multicast_id(global
, "nl80211", "regulatory");
1477 ret
= nl_socket_add_membership(global
->nl_event
, ret
);
1479 wpa_printf(MSG_DEBUG
, "nl80211: Could not add multicast "
1480 "membership for regulatory events: %d (%s)",
1481 ret
, strerror(-ret
));
1482 /* Continue without regulatory events */
1485 ret
= nl_get_multicast_id(global
, "nl80211", "vendor");
1487 ret
= nl_socket_add_membership(global
->nl_event
, ret
);
1489 wpa_printf(MSG_DEBUG
, "nl80211: Could not add multicast "
1490 "membership for vendor events: %d (%s)",
1491 ret
, strerror(-ret
));
1492 /* Continue without vendor events */
1495 nl_cb_set(global
->nl_cb
, NL_CB_SEQ_CHECK
, NL_CB_CUSTOM
,
1496 no_seq_check
, NULL
);
1497 nl_cb_set(global
->nl_cb
, NL_CB_VALID
, NL_CB_CUSTOM
,
1498 process_global_event
, global
);
1500 nl80211_register_eloop_read(&global
->nl_event
,
1501 wpa_driver_nl80211_event_receive
,
1507 nl_destroy_handles(&global
->nl_event
);
1508 nl_destroy_handles(&global
->nl
);
1509 nl_cb_put(global
->nl_cb
);
1510 global
->nl_cb
= NULL
;
1515 static void nl80211_check_global(struct nl80211_global
*global
)
1517 struct nl_handle
*handle
;
1518 const char *groups
[] = { "scan", "mlme", "regulatory", "vendor", NULL
};
1523 * Try to re-add memberships to handle case of cfg80211 getting reloaded
1524 * and all registration having been cleared.
1526 handle
= (void *) (((intptr_t) global
->nl_event
) ^
1527 ELOOP_SOCKET_INVALID
);
1529 for (i
= 0; groups
[i
]; i
++) {
1530 ret
= nl_get_multicast_id(global
, "nl80211", groups
[i
]);
1532 ret
= nl_socket_add_membership(handle
, ret
);
1534 wpa_printf(MSG_INFO
,
1535 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
1536 groups
[i
], ret
, strerror(-ret
));
1542 static void wpa_driver_nl80211_rfkill_blocked(void *ctx
)
1544 struct wpa_driver_nl80211_data
*drv
= ctx
;
1546 wpa_printf(MSG_DEBUG
, "nl80211: RFKILL blocked");
1549 * rtnetlink ifdown handler will report interfaces other than the P2P
1550 * Device interface as disabled.
1552 if (drv
->nlmode
== NL80211_IFTYPE_P2P_DEVICE
)
1553 wpa_supplicant_event(drv
->ctx
, EVENT_INTERFACE_DISABLED
, NULL
);
1557 static void wpa_driver_nl80211_rfkill_unblocked(void *ctx
)
1559 struct wpa_driver_nl80211_data
*drv
= ctx
;
1560 wpa_printf(MSG_DEBUG
, "nl80211: RFKILL unblocked");
1561 if (i802_set_iface_flags(drv
->first_bss
, 1)) {
1562 wpa_printf(MSG_DEBUG
, "nl80211: Could not set interface UP "
1563 "after rfkill unblock");
1567 if (is_p2p_net_interface(drv
->nlmode
))
1568 nl80211_disable_11b_rates(drv
, drv
->ifindex
, 1);
1571 * rtnetlink ifup handler will report interfaces other than the P2P
1572 * Device interface as enabled.
1574 if (drv
->nlmode
== NL80211_IFTYPE_P2P_DEVICE
)
1575 wpa_supplicant_event(drv
->ctx
, EVENT_INTERFACE_ENABLED
, NULL
);
1579 static void wpa_driver_nl80211_handle_eapol_tx_status(int sock
,
1583 struct wpa_driver_nl80211_data
*drv
= eloop_ctx
;
1588 struct cmsghdr
*cmsg
;
1589 int res
, found_ee
= 0, found_wifi
= 0, acked
= 0;
1590 union wpa_event_data event
;
1592 memset(&msg
, 0, sizeof(msg
));
1593 msg
.msg_iov
= &entry
;
1595 entry
.iov_base
= data
;
1596 entry
.iov_len
= sizeof(data
);
1597 msg
.msg_control
= &control
;
1598 msg
.msg_controllen
= sizeof(control
);
1600 res
= recvmsg(sock
, &msg
, MSG_ERRQUEUE
);
1601 /* if error or not fitting 802.3 header, return */
1605 for (cmsg
= CMSG_FIRSTHDR(&msg
); cmsg
; cmsg
= CMSG_NXTHDR(&msg
, cmsg
))
1607 if (cmsg
->cmsg_level
== SOL_SOCKET
&&
1608 cmsg
->cmsg_type
== SCM_WIFI_STATUS
) {
1612 ack
= (void *)CMSG_DATA(cmsg
);
1616 if (cmsg
->cmsg_level
== SOL_PACKET
&&
1617 cmsg
->cmsg_type
== PACKET_TX_TIMESTAMP
) {
1618 struct sock_extended_err
*err
=
1619 (struct sock_extended_err
*)CMSG_DATA(cmsg
);
1621 if (err
->ee_origin
== SO_EE_ORIGIN_TXSTATUS
)
1626 if (!found_ee
|| !found_wifi
)
1629 memset(&event
, 0, sizeof(event
));
1630 event
.eapol_tx_status
.dst
= data
;
1631 event
.eapol_tx_status
.data
= data
+ 14;
1632 event
.eapol_tx_status
.data_len
= res
- 14;
1633 event
.eapol_tx_status
.ack
= acked
;
1634 wpa_supplicant_event(drv
->ctx
, EVENT_EAPOL_TX_STATUS
, &event
);
1638 static int nl80211_init_bss(struct i802_bss
*bss
)
1640 bss
->nl_cb
= nl_cb_alloc(NL_CB_DEFAULT
);
1644 nl_cb_set(bss
->nl_cb
, NL_CB_SEQ_CHECK
, NL_CB_CUSTOM
,
1645 no_seq_check
, NULL
);
1646 nl_cb_set(bss
->nl_cb
, NL_CB_VALID
, NL_CB_CUSTOM
,
1647 process_bss_event
, bss
);
1653 static void nl80211_destroy_bss(struct i802_bss
*bss
)
1655 nl_cb_put(bss
->nl_cb
);
1661 wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data
*drv
)
1663 struct rfkill_config
*rcfg
;
1668 rcfg
= os_zalloc(sizeof(*rcfg
));
1674 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
1675 * not associated with a netdev, so use the name of some other interface
1676 * sharing the same wiphy as the P2P Device interface.
1678 * Note: This is valid, as a P2P Device interface is always dynamically
1679 * created and is created only once another wpa_s interface was added.
1681 if (drv
->nlmode
== NL80211_IFTYPE_P2P_DEVICE
) {
1682 struct nl80211_global
*global
= drv
->global
;
1683 struct wpa_driver_nl80211_data
*tmp1
;
1685 dl_list_for_each(tmp1
, &global
->interfaces
,
1686 struct wpa_driver_nl80211_data
, list
) {
1687 if (drv
== tmp1
|| drv
->wiphy_idx
!= tmp1
->wiphy_idx
||
1691 wpa_printf(MSG_DEBUG
,
1692 "nl80211: Use (%s) to initialize P2P Device rfkill",
1693 tmp1
->first_bss
->ifname
);
1694 os_strlcpy(rcfg
->ifname
, tmp1
->first_bss
->ifname
,
1695 sizeof(rcfg
->ifname
));
1699 os_strlcpy(rcfg
->ifname
, drv
->first_bss
->ifname
,
1700 sizeof(rcfg
->ifname
));
1703 rcfg
->blocked_cb
= wpa_driver_nl80211_rfkill_blocked
;
1704 rcfg
->unblocked_cb
= wpa_driver_nl80211_rfkill_unblocked
;
1705 drv
->rfkill
= rfkill_init(rcfg
);
1707 wpa_printf(MSG_DEBUG
, "nl80211: RFKILL status not available");
1713 static void * wpa_driver_nl80211_drv_init(void *ctx
, const char *ifname
,
1714 void *global_priv
, int hostapd
,
1716 const char *driver_params
)
1718 struct wpa_driver_nl80211_data
*drv
;
1719 struct i802_bss
*bss
;
1721 if (global_priv
== NULL
)
1723 drv
= os_zalloc(sizeof(*drv
));
1726 drv
->global
= global_priv
;
1728 drv
->hostapd
= !!hostapd
;
1729 drv
->eapol_sock
= -1;
1732 * There is no driver capability flag for this, so assume it is
1733 * supported and disable this on first attempt to use if the driver
1734 * rejects the command due to missing support.
1736 drv
->set_rekey_offload
= 1;
1738 drv
->num_if_indices
= sizeof(drv
->default_if_indices
) / sizeof(int);
1739 drv
->if_indices
= drv
->default_if_indices
;
1740 drv
->if_indices_reason
= drv
->default_if_indices_reason
;
1742 drv
->first_bss
= os_zalloc(sizeof(*drv
->first_bss
));
1743 if (!drv
->first_bss
) {
1747 bss
= drv
->first_bss
;
1751 os_strlcpy(bss
->ifname
, ifname
, sizeof(bss
->ifname
));
1752 drv
->monitor_ifidx
= -1;
1753 drv
->monitor_sock
= -1;
1754 drv
->eapol_tx_sock
= -1;
1755 drv
->ap_scan_as_station
= NL80211_IFTYPE_UNSPECIFIED
;
1757 if (nl80211_init_bss(bss
))
1760 if (wpa_driver_nl80211_finish_drv_init(drv
, set_addr
, 1, driver_params
))
1763 drv
->eapol_tx_sock
= socket(PF_PACKET
, SOCK_DGRAM
, 0);
1764 if (drv
->eapol_tx_sock
< 0)
1767 if (drv
->data_tx_status
) {
1770 if (setsockopt(drv
->eapol_tx_sock
, SOL_SOCKET
, SO_WIFI_STATUS
,
1771 &enabled
, sizeof(enabled
)) < 0) {
1772 wpa_printf(MSG_DEBUG
,
1773 "nl80211: wifi status sockopt failed\n");
1774 drv
->data_tx_status
= 0;
1775 if (!drv
->use_monitor
)
1777 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS
;
1779 eloop_register_read_sock(drv
->eapol_tx_sock
,
1780 wpa_driver_nl80211_handle_eapol_tx_status
,
1786 nl80211_check_global(drv
->global
);
1787 dl_list_add(&drv
->global
->interfaces
, &drv
->list
);
1788 drv
->in_interface_list
= 1;
1794 wpa_driver_nl80211_deinit(bss
);
1800 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
1801 * @ctx: context to be used when calling wpa_supplicant functions,
1802 * e.g., wpa_supplicant_event()
1803 * @ifname: interface name, e.g., wlan0
1804 * @global_priv: private driver global data from global_init()
1805 * Returns: Pointer to private data, %NULL on failure
1807 static void * wpa_driver_nl80211_init(void *ctx
, const char *ifname
,
1810 return wpa_driver_nl80211_drv_init(ctx
, ifname
, global_priv
, 0, NULL
,
1815 static int nl80211_register_frame(struct i802_bss
*bss
,
1816 struct nl_handle
*nl_handle
,
1817 u16 type
, const u8
*match
, size_t match_len
)
1819 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
1825 wpa_snprintf_hex(buf
, sizeof(buf
), match
, match_len
);
1826 wpa_printf(MSG_DEBUG
, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s",
1827 type
, fc2str(type
), nl_handle
, buf
);
1829 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_REGISTER_ACTION
)) ||
1830 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
, type
) ||
1831 nla_put(msg
, NL80211_ATTR_FRAME_MATCH
, match_len
, match
)) {
1836 ret
= send_and_recv(drv
->global
, nl_handle
, msg
, NULL
, NULL
);
1838 wpa_printf(MSG_DEBUG
, "nl80211: Register frame command "
1839 "failed (type=%u): ret=%d (%s)",
1840 type
, ret
, strerror(-ret
));
1841 wpa_hexdump(MSG_DEBUG
, "nl80211: Register frame match",
1848 static int nl80211_alloc_mgmt_handle(struct i802_bss
*bss
)
1851 wpa_printf(MSG_DEBUG
, "nl80211: Mgmt reporting "
1852 "already on! (nl_mgmt=%p)", bss
->nl_mgmt
);
1856 bss
->nl_mgmt
= nl_create_handle(bss
->nl_cb
, "mgmt");
1857 if (bss
->nl_mgmt
== NULL
)
1864 static void nl80211_mgmt_handle_register_eloop(struct i802_bss
*bss
)
1866 nl80211_register_eloop_read(&bss
->nl_mgmt
,
1867 wpa_driver_nl80211_event_receive
,
1872 static int nl80211_register_action_frame(struct i802_bss
*bss
,
1873 const u8
*match
, size_t match_len
)
1875 u16 type
= (WLAN_FC_TYPE_MGMT
<< 2) | (WLAN_FC_STYPE_ACTION
<< 4);
1876 return nl80211_register_frame(bss
, bss
->nl_mgmt
,
1877 type
, match
, match_len
);
1881 static int nl80211_mgmt_subscribe_non_ap(struct i802_bss
*bss
)
1883 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
1886 if (nl80211_alloc_mgmt_handle(bss
))
1888 wpa_printf(MSG_DEBUG
, "nl80211: Subscribe to mgmt frames with non-AP "
1889 "handle %p", bss
->nl_mgmt
);
1891 if (drv
->nlmode
== NL80211_IFTYPE_ADHOC
) {
1892 u16 type
= (WLAN_FC_TYPE_MGMT
<< 2) | (WLAN_FC_STYPE_AUTH
<< 4);
1894 /* register for any AUTH message */
1895 nl80211_register_frame(bss
, bss
->nl_mgmt
, type
, NULL
, 0);
1898 #ifdef CONFIG_INTERWORKING
1899 /* QoS Map Configure */
1900 if (nl80211_register_action_frame(bss
, (u8
*) "\x01\x04", 2) < 0)
1902 #endif /* CONFIG_INTERWORKING */
1903 #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING)
1904 /* GAS Initial Request */
1905 if (nl80211_register_action_frame(bss
, (u8
*) "\x04\x0a", 2) < 0)
1907 /* GAS Initial Response */
1908 if (nl80211_register_action_frame(bss
, (u8
*) "\x04\x0b", 2) < 0)
1910 /* GAS Comeback Request */
1911 if (nl80211_register_action_frame(bss
, (u8
*) "\x04\x0c", 2) < 0)
1913 /* GAS Comeback Response */
1914 if (nl80211_register_action_frame(bss
, (u8
*) "\x04\x0d", 2) < 0)
1916 /* Protected GAS Initial Request */
1917 if (nl80211_register_action_frame(bss
, (u8
*) "\x09\x0a", 2) < 0)
1919 /* Protected GAS Initial Response */
1920 if (nl80211_register_action_frame(bss
, (u8
*) "\x09\x0b", 2) < 0)
1922 /* Protected GAS Comeback Request */
1923 if (nl80211_register_action_frame(bss
, (u8
*) "\x09\x0c", 2) < 0)
1925 /* Protected GAS Comeback Response */
1926 if (nl80211_register_action_frame(bss
, (u8
*) "\x09\x0d", 2) < 0)
1928 #endif /* CONFIG_P2P || CONFIG_INTERWORKING */
1930 /* P2P Public Action */
1931 if (nl80211_register_action_frame(bss
,
1932 (u8
*) "\x04\x09\x50\x6f\x9a\x09",
1936 if (nl80211_register_action_frame(bss
,
1937 (u8
*) "\x7f\x50\x6f\x9a\x09",
1940 #endif /* CONFIG_P2P */
1941 #ifdef CONFIG_IEEE80211W
1942 /* SA Query Response */
1943 if (nl80211_register_action_frame(bss
, (u8
*) "\x08\x01", 2) < 0)
1945 #endif /* CONFIG_IEEE80211W */
1947 if ((drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
)) {
1948 /* TDLS Discovery Response */
1949 if (nl80211_register_action_frame(bss
, (u8
*) "\x04\x0e", 2) <
1953 #endif /* CONFIG_TDLS */
1955 /* FST Action frames */
1956 if (nl80211_register_action_frame(bss
, (u8
*) "\x12", 1) < 0)
1958 #endif /* CONFIG_FST */
1960 /* FT Action frames */
1961 if (nl80211_register_action_frame(bss
, (u8
*) "\x06", 1) < 0)
1964 drv
->capa
.key_mgmt
|= WPA_DRIVER_CAPA_KEY_MGMT_FT
|
1965 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK
;
1967 /* WNM - BSS Transition Management Request */
1968 if (nl80211_register_action_frame(bss
, (u8
*) "\x0a\x07", 2) < 0)
1970 /* WNM-Sleep Mode Response */
1971 if (nl80211_register_action_frame(bss
, (u8
*) "\x0a\x11", 2) < 0)
1975 /* WNM-Notification */
1976 if (nl80211_register_action_frame(bss
, (u8
*) "\x0a\x1a", 2) < 0)
1978 #endif /* CONFIG_HS20 */
1980 /* WMM-AC ADDTS Response */
1981 if (nl80211_register_action_frame(bss
, (u8
*) "\x11\x01", 2) < 0)
1985 if (nl80211_register_action_frame(bss
, (u8
*) "\x11\x02", 2) < 0)
1988 /* Radio Measurement - Neighbor Report Response */
1989 if (nl80211_register_action_frame(bss
, (u8
*) "\x05\x05", 2) < 0)
1992 /* Radio Measurement - Radio Measurement Request */
1993 if (nl80211_register_action_frame(bss
, (u8
*) "\x05\x00", 2) < 0)
1996 /* Radio Measurement - Link Measurement Request */
1997 if ((drv
->capa
.rrm_flags
& WPA_DRIVER_FLAGS_TX_POWER_INSERTION
) &&
1998 (nl80211_register_action_frame(bss
, (u8
*) "\x05\x02", 2) < 0))
2001 nl80211_mgmt_handle_register_eloop(bss
);
2007 static int nl80211_mgmt_subscribe_mesh(struct i802_bss
*bss
)
2011 if (nl80211_alloc_mgmt_handle(bss
))
2014 wpa_printf(MSG_DEBUG
,
2015 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2018 /* Auth frames for mesh SAE */
2019 if (nl80211_register_frame(bss
, bss
->nl_mgmt
,
2020 (WLAN_FC_TYPE_MGMT
<< 2) |
2021 (WLAN_FC_STYPE_AUTH
<< 4),
2025 /* Mesh peering open */
2026 if (nl80211_register_action_frame(bss
, (u8
*) "\x0f\x01", 2) < 0)
2028 /* Mesh peering confirm */
2029 if (nl80211_register_action_frame(bss
, (u8
*) "\x0f\x02", 2) < 0)
2031 /* Mesh peering close */
2032 if (nl80211_register_action_frame(bss
, (u8
*) "\x0f\x03", 2) < 0)
2035 nl80211_mgmt_handle_register_eloop(bss
);
2041 static int nl80211_register_spurious_class3(struct i802_bss
*bss
)
2046 msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_UNEXPECTED_FRAME
);
2047 ret
= send_and_recv(bss
->drv
->global
, bss
->nl_mgmt
, msg
, NULL
, NULL
);
2049 wpa_printf(MSG_DEBUG
, "nl80211: Register spurious class3 "
2050 "failed: ret=%d (%s)",
2051 ret
, strerror(-ret
));
2057 static int nl80211_mgmt_subscribe_ap(struct i802_bss
*bss
)
2059 static const int stypes
[] = {
2061 WLAN_FC_STYPE_ASSOC_REQ
,
2062 WLAN_FC_STYPE_REASSOC_REQ
,
2063 WLAN_FC_STYPE_DISASSOC
,
2064 WLAN_FC_STYPE_DEAUTH
,
2065 WLAN_FC_STYPE_ACTION
,
2066 WLAN_FC_STYPE_PROBE_REQ
,
2067 /* Beacon doesn't work as mac80211 doesn't currently allow
2068 * it, but it wouldn't really be the right thing anyway as
2069 * it isn't per interface ... maybe just dump the scan
2070 * results periodically for OLBC?
2072 /* WLAN_FC_STYPE_BEACON, */
2076 if (nl80211_alloc_mgmt_handle(bss
))
2078 wpa_printf(MSG_DEBUG
, "nl80211: Subscribe to mgmt frames with AP "
2079 "handle %p", bss
->nl_mgmt
);
2081 for (i
= 0; i
< ARRAY_SIZE(stypes
); i
++) {
2082 if (nl80211_register_frame(bss
, bss
->nl_mgmt
,
2083 (WLAN_FC_TYPE_MGMT
<< 2) |
2090 if (nl80211_register_spurious_class3(bss
))
2093 if (nl80211_get_wiphy_data_ap(bss
) == NULL
)
2096 nl80211_mgmt_handle_register_eloop(bss
);
2100 nl_destroy_handles(&bss
->nl_mgmt
);
2105 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss
*bss
)
2107 if (nl80211_alloc_mgmt_handle(bss
))
2109 wpa_printf(MSG_DEBUG
, "nl80211: Subscribe to mgmt frames with AP "
2110 "handle %p (device SME)", bss
->nl_mgmt
);
2112 if (nl80211_register_frame(bss
, bss
->nl_mgmt
,
2113 (WLAN_FC_TYPE_MGMT
<< 2) |
2114 (WLAN_FC_STYPE_ACTION
<< 4),
2118 nl80211_mgmt_handle_register_eloop(bss
);
2122 nl_destroy_handles(&bss
->nl_mgmt
);
2127 static void nl80211_mgmt_unsubscribe(struct i802_bss
*bss
, const char *reason
)
2129 if (bss
->nl_mgmt
== NULL
)
2131 wpa_printf(MSG_DEBUG
, "nl80211: Unsubscribe mgmt frames handle %p "
2132 "(%s)", bss
->nl_mgmt
, reason
);
2133 nl80211_destroy_eloop_handle(&bss
->nl_mgmt
);
2135 nl80211_put_wiphy_data_ap(bss
);
2139 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx
, void *timeout_ctx
)
2141 wpa_supplicant_event(timeout_ctx
, EVENT_INTERFACE_DISABLED
, NULL
);
2145 static void nl80211_del_p2pdev(struct i802_bss
*bss
)
2150 msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_DEL_INTERFACE
);
2151 ret
= send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
2153 wpa_printf(MSG_DEBUG
, "nl80211: Delete P2P Device %s (0x%llx): %s",
2154 bss
->ifname
, (long long unsigned int) bss
->wdev_id
,
2159 static int nl80211_set_p2pdev(struct i802_bss
*bss
, int start
)
2164 msg
= nl80211_cmd_msg(bss
, 0, start
? NL80211_CMD_START_P2P_DEVICE
:
2165 NL80211_CMD_STOP_P2P_DEVICE
);
2166 ret
= send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
2168 wpa_printf(MSG_DEBUG
, "nl80211: %s P2P Device %s (0x%llx): %s",
2169 start
? "Start" : "Stop",
2170 bss
->ifname
, (long long unsigned int) bss
->wdev_id
,
2176 static int i802_set_iface_flags(struct i802_bss
*bss
, int up
)
2178 enum nl80211_iftype nlmode
;
2180 nlmode
= nl80211_get_ifmode(bss
);
2181 if (nlmode
!= NL80211_IFTYPE_P2P_DEVICE
) {
2182 return linux_set_iface_flags(bss
->drv
->global
->ioctl_sock
,
2186 /* P2P Device has start/stop which is equivalent */
2187 return nl80211_set_p2pdev(bss
, up
);
2191 #ifdef CONFIG_TESTING_OPTIONS
2192 static int qca_vendor_test_cmd_handler(struct nl_msg
*msg
, void *arg
)
2194 /* struct wpa_driver_nl80211_data *drv = arg; */
2195 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
2196 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
2199 wpa_printf(MSG_DEBUG
,
2200 "nl80211: QCA vendor test command response received");
2202 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
2203 genlmsg_attrlen(gnlh
, 0), NULL
);
2204 if (!tb
[NL80211_ATTR_VENDOR_DATA
]) {
2205 wpa_printf(MSG_DEBUG
, "nl80211: No vendor data attribute");
2209 wpa_hexdump(MSG_DEBUG
,
2210 "nl80211: Received QCA vendor test command response",
2211 nla_data(tb
[NL80211_ATTR_VENDOR_DATA
]),
2212 nla_len(tb
[NL80211_ATTR_VENDOR_DATA
]));
2216 #endif /* CONFIG_TESTING_OPTIONS */
2219 static void qca_vendor_test(struct wpa_driver_nl80211_data
*drv
)
2221 #ifdef CONFIG_TESTING_OPTIONS
2223 struct nlattr
*params
;
2226 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
2227 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
2228 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
2229 QCA_NL80211_VENDOR_SUBCMD_TEST
) ||
2230 !(params
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
2231 nla_put_u32(msg
, QCA_WLAN_VENDOR_ATTR_TEST
, 123)) {
2235 nla_nest_end(msg
, params
);
2237 ret
= send_and_recv_msgs(drv
, msg
, qca_vendor_test_cmd_handler
, drv
);
2238 wpa_printf(MSG_DEBUG
,
2239 "nl80211: QCA vendor test command returned %d (%s)",
2240 ret
, strerror(-ret
));
2241 #endif /* CONFIG_TESTING_OPTIONS */
2246 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data
*drv
,
2247 const u8
*set_addr
, int first
,
2248 const char *driver_params
)
2250 struct i802_bss
*bss
= drv
->first_bss
;
2251 int send_rfkill_event
= 0;
2252 enum nl80211_iftype nlmode
;
2254 drv
->ifindex
= if_nametoindex(bss
->ifname
);
2255 bss
->ifindex
= drv
->ifindex
;
2256 bss
->wdev_id
= drv
->global
->if_add_wdevid
;
2257 bss
->wdev_id_set
= drv
->global
->if_add_wdevid_set
;
2259 bss
->if_dynamic
= drv
->ifindex
== drv
->global
->if_add_ifindex
;
2260 bss
->if_dynamic
= bss
->if_dynamic
|| drv
->global
->if_add_wdevid_set
;
2261 drv
->global
->if_add_wdevid_set
= 0;
2263 if (!bss
->if_dynamic
&& nl80211_get_ifmode(bss
) == NL80211_IFTYPE_AP
)
2267 nl80211_get_ifmode(bss
) != NL80211_IFTYPE_P2P_DEVICE
&&
2268 linux_iface_up(drv
->global
->ioctl_sock
, bss
->ifname
) > 0)
2269 drv
->start_iface_up
= 1;
2271 if (wpa_driver_nl80211_capa(drv
))
2274 if (driver_params
&& nl80211_set_param(bss
, driver_params
) < 0)
2277 wpa_printf(MSG_DEBUG
, "nl80211: interface %s in phy %s",
2278 bss
->ifname
, drv
->phyname
);
2281 (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
, 0) ||
2282 linux_set_ifhwaddr(drv
->global
->ioctl_sock
, bss
->ifname
,
2286 if (first
&& nl80211_get_ifmode(bss
) == NL80211_IFTYPE_AP
)
2287 drv
->start_mode_ap
= 1;
2289 if (drv
->hostapd
|| bss
->static_ap
)
2290 nlmode
= NL80211_IFTYPE_AP
;
2291 else if (bss
->if_dynamic
)
2292 nlmode
= nl80211_get_ifmode(bss
);
2294 nlmode
= NL80211_IFTYPE_STATION
;
2296 if (wpa_driver_nl80211_set_mode(bss
, nlmode
) < 0) {
2297 wpa_printf(MSG_ERROR
, "nl80211: Could not configure driver mode");
2301 if (nlmode
== NL80211_IFTYPE_P2P_DEVICE
)
2302 nl80211_get_macaddr(bss
);
2304 wpa_driver_nl80211_drv_init_rfkill(drv
);
2306 if (!rfkill_is_blocked(drv
->rfkill
)) {
2307 int ret
= i802_set_iface_flags(bss
, 1);
2309 wpa_printf(MSG_ERROR
, "nl80211: Could not set "
2310 "interface '%s' UP", bss
->ifname
);
2314 if (is_p2p_net_interface(nlmode
))
2315 nl80211_disable_11b_rates(bss
->drv
,
2316 bss
->drv
->ifindex
, 1);
2318 if (nlmode
== NL80211_IFTYPE_P2P_DEVICE
)
2321 wpa_printf(MSG_DEBUG
, "nl80211: Could not yet enable "
2322 "interface '%s' due to rfkill", bss
->ifname
);
2323 if (nlmode
!= NL80211_IFTYPE_P2P_DEVICE
)
2324 drv
->if_disabled
= 1;
2326 send_rfkill_event
= 1;
2329 if (!drv
->hostapd
&& nlmode
!= NL80211_IFTYPE_P2P_DEVICE
)
2330 netlink_send_oper_ifla(drv
->global
->netlink
, drv
->ifindex
,
2331 1, IF_OPER_DORMANT
);
2333 if (nlmode
!= NL80211_IFTYPE_P2P_DEVICE
) {
2334 if (linux_get_ifhwaddr(drv
->global
->ioctl_sock
, bss
->ifname
,
2337 os_memcpy(drv
->perm_addr
, bss
->addr
, ETH_ALEN
);
2340 if (send_rfkill_event
) {
2341 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill
,
2345 if (drv
->vendor_cmd_test_avail
)
2346 qca_vendor_test(drv
);
2352 static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data
*drv
)
2356 wpa_printf(MSG_DEBUG
, "nl80211: Remove beacon (ifindex=%d)",
2358 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_DEL_BEACON
);
2359 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
2364 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
2365 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
2367 * Shut down driver interface and processing of driver events. Free
2368 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2370 static void wpa_driver_nl80211_deinit(struct i802_bss
*bss
)
2372 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
2374 wpa_printf(MSG_INFO
, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2375 bss
->ifname
, drv
->disabled_11b_rates
);
2378 if (drv
->data_tx_status
)
2379 eloop_unregister_read_sock(drv
->eapol_tx_sock
);
2380 if (drv
->eapol_tx_sock
>= 0)
2381 close(drv
->eapol_tx_sock
);
2384 wpa_driver_nl80211_probe_req_report(bss
, 0);
2385 if (bss
->added_if_into_bridge
) {
2386 if (linux_br_del_if(drv
->global
->ioctl_sock
, bss
->brname
,
2388 wpa_printf(MSG_INFO
, "nl80211: Failed to remove "
2389 "interface %s from bridge %s: %s",
2390 bss
->ifname
, bss
->brname
, strerror(errno
));
2392 nl80211_handle_destroy(drv
->rtnl_sk
);
2394 if (bss
->added_bridge
) {
2395 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->brname
,
2397 wpa_printf(MSG_INFO
,
2398 "nl80211: Could not set bridge %s down",
2400 if (linux_br_del(drv
->global
->ioctl_sock
, bss
->brname
) < 0)
2401 wpa_printf(MSG_INFO
, "nl80211: Failed to remove "
2403 bss
->brname
, strerror(errno
));
2406 nl80211_remove_monitor_interface(drv
);
2408 if (is_ap_interface(drv
->nlmode
))
2409 wpa_driver_nl80211_del_beacon(drv
);
2411 if (drv
->eapol_sock
>= 0) {
2412 eloop_unregister_read_sock(drv
->eapol_sock
);
2413 close(drv
->eapol_sock
);
2416 if (drv
->if_indices
!= drv
->default_if_indices
)
2417 os_free(drv
->if_indices
);
2419 if (drv
->if_indices_reason
!= drv
->default_if_indices_reason
)
2420 os_free(drv
->if_indices_reason
);
2422 if (drv
->disabled_11b_rates
)
2423 nl80211_disable_11b_rates(drv
, drv
->ifindex
, 0);
2425 netlink_send_oper_ifla(drv
->global
->netlink
, drv
->ifindex
, 0,
2427 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill
, drv
, drv
->ctx
);
2428 rfkill_deinit(drv
->rfkill
);
2430 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout
, drv
, drv
->ctx
);
2432 if (!drv
->start_iface_up
)
2433 (void) i802_set_iface_flags(bss
, 0);
2435 if (drv
->addr_changed
) {
2436 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
,
2438 wpa_printf(MSG_DEBUG
,
2439 "nl80211: Could not set interface down to restore permanent MAC address");
2441 if (linux_set_ifhwaddr(drv
->global
->ioctl_sock
, bss
->ifname
,
2442 drv
->perm_addr
) < 0) {
2443 wpa_printf(MSG_DEBUG
,
2444 "nl80211: Could not restore permanent MAC address");
2448 if (drv
->nlmode
!= NL80211_IFTYPE_P2P_DEVICE
) {
2449 if (!drv
->hostapd
|| !drv
->start_mode_ap
)
2450 wpa_driver_nl80211_set_mode(bss
,
2451 NL80211_IFTYPE_STATION
);
2452 nl80211_mgmt_unsubscribe(bss
, "deinit");
2454 nl80211_mgmt_unsubscribe(bss
, "deinit");
2455 nl80211_del_p2pdev(bss
);
2458 nl80211_destroy_bss(drv
->first_bss
);
2460 os_free(drv
->filter_ssids
);
2462 os_free(drv
->auth_ie
);
2464 if (drv
->in_interface_list
)
2465 dl_list_del(&drv
->list
);
2467 os_free(drv
->extended_capa
);
2468 os_free(drv
->extended_capa_mask
);
2469 os_free(drv
->first_bss
);
2474 static u32
wpa_alg_to_cipher_suite(enum wpa_alg alg
, size_t key_len
)
2479 return WLAN_CIPHER_SUITE_WEP40
;
2480 return WLAN_CIPHER_SUITE_WEP104
;
2482 return WLAN_CIPHER_SUITE_TKIP
;
2484 return WLAN_CIPHER_SUITE_CCMP
;
2486 return WLAN_CIPHER_SUITE_GCMP
;
2487 case WPA_ALG_CCMP_256
:
2488 return WLAN_CIPHER_SUITE_CCMP_256
;
2489 case WPA_ALG_GCMP_256
:
2490 return WLAN_CIPHER_SUITE_GCMP_256
;
2492 return WLAN_CIPHER_SUITE_AES_CMAC
;
2493 case WPA_ALG_BIP_GMAC_128
:
2494 return WLAN_CIPHER_SUITE_BIP_GMAC_128
;
2495 case WPA_ALG_BIP_GMAC_256
:
2496 return WLAN_CIPHER_SUITE_BIP_GMAC_256
;
2497 case WPA_ALG_BIP_CMAC_256
:
2498 return WLAN_CIPHER_SUITE_BIP_CMAC_256
;
2500 return WLAN_CIPHER_SUITE_SMS4
;
2502 return WLAN_CIPHER_SUITE_KRK
;
2505 wpa_printf(MSG_ERROR
, "nl80211: Unexpected encryption algorithm %d",
2510 wpa_printf(MSG_ERROR
, "nl80211: Unsupported encryption algorithm %d",
2516 static u32
wpa_cipher_to_cipher_suite(unsigned int cipher
)
2519 case WPA_CIPHER_CCMP_256
:
2520 return WLAN_CIPHER_SUITE_CCMP_256
;
2521 case WPA_CIPHER_GCMP_256
:
2522 return WLAN_CIPHER_SUITE_GCMP_256
;
2523 case WPA_CIPHER_CCMP
:
2524 return WLAN_CIPHER_SUITE_CCMP
;
2525 case WPA_CIPHER_GCMP
:
2526 return WLAN_CIPHER_SUITE_GCMP
;
2527 case WPA_CIPHER_TKIP
:
2528 return WLAN_CIPHER_SUITE_TKIP
;
2529 case WPA_CIPHER_WEP104
:
2530 return WLAN_CIPHER_SUITE_WEP104
;
2531 case WPA_CIPHER_WEP40
:
2532 return WLAN_CIPHER_SUITE_WEP40
;
2533 case WPA_CIPHER_GTK_NOT_USED
:
2534 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR
;
2541 static int wpa_cipher_to_cipher_suites(unsigned int ciphers
, u32 suites
[],
2546 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_CCMP_256
)
2547 suites
[num_suites
++] = WLAN_CIPHER_SUITE_CCMP_256
;
2548 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_GCMP_256
)
2549 suites
[num_suites
++] = WLAN_CIPHER_SUITE_GCMP_256
;
2550 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_CCMP
)
2551 suites
[num_suites
++] = WLAN_CIPHER_SUITE_CCMP
;
2552 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_GCMP
)
2553 suites
[num_suites
++] = WLAN_CIPHER_SUITE_GCMP
;
2554 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_TKIP
)
2555 suites
[num_suites
++] = WLAN_CIPHER_SUITE_TKIP
;
2556 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_WEP104
)
2557 suites
[num_suites
++] = WLAN_CIPHER_SUITE_WEP104
;
2558 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_WEP40
)
2559 suites
[num_suites
++] = WLAN_CIPHER_SUITE_WEP40
;
2565 #ifdef CONFIG_DRIVER_NL80211_QCA
2566 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data
*drv
,
2567 const u8
*key
, size_t key_len
)
2572 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD
))
2575 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
2576 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
2577 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
2578 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY
) ||
2579 nla_put(msg
, NL80211_ATTR_VENDOR_DATA
, key_len
, key
)) {
2580 nl80211_nlmsg_clear(msg
);
2584 ret
= send_and_recv_msgs(drv
, msg
, NULL
, (void *) -1);
2586 wpa_printf(MSG_DEBUG
,
2587 "nl80211: Key management set key failed: ret=%d (%s)",
2588 ret
, strerror(-ret
));
2593 #endif /* CONFIG_DRIVER_NL80211_QCA */
2596 static int wpa_driver_nl80211_set_key(const char *ifname
, struct i802_bss
*bss
,
2597 enum wpa_alg alg
, const u8
*addr
,
2598 int key_idx
, int set_tx
,
2599 const u8
*seq
, size_t seq_len
,
2600 const u8
*key
, size_t key_len
)
2602 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
2604 struct nl_msg
*msg
= NULL
;
2608 /* Ignore for P2P Device */
2609 if (drv
->nlmode
== NL80211_IFTYPE_P2P_DEVICE
)
2612 ifindex
= if_nametoindex(ifname
);
2613 wpa_printf(MSG_DEBUG
, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
2614 "set_tx=%d seq_len=%lu key_len=%lu",
2615 __func__
, ifindex
, ifname
, alg
, addr
, key_idx
, set_tx
,
2616 (unsigned long) seq_len
, (unsigned long) key_len
);
2618 if (key_idx
== -1) {
2622 #endif /* CONFIG_TDLS */
2624 #ifdef CONFIG_DRIVER_NL80211_QCA
2625 if (alg
== WPA_ALG_PMK
&&
2626 (drv
->capa
.flags
& WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD
)) {
2627 wpa_printf(MSG_DEBUG
, "%s: calling issue_key_mgmt_set_key",
2629 ret
= issue_key_mgmt_set_key(drv
, key
, key_len
);
2632 #endif /* CONFIG_DRIVER_NL80211_QCA */
2634 if (alg
== WPA_ALG_NONE
) {
2635 msg
= nl80211_ifindex_msg(drv
, ifindex
, 0, NL80211_CMD_DEL_KEY
);
2641 suite
= wpa_alg_to_cipher_suite(alg
, key_len
);
2644 msg
= nl80211_ifindex_msg(drv
, ifindex
, 0, NL80211_CMD_NEW_KEY
);
2646 nla_put(msg
, NL80211_ATTR_KEY_DATA
, key_len
, key
) ||
2647 nla_put_u32(msg
, NL80211_ATTR_KEY_CIPHER
, suite
))
2649 wpa_hexdump_key(MSG_DEBUG
, "nl80211: KEY_DATA", key
, key_len
);
2652 if (seq
&& seq_len
) {
2653 if (nla_put(msg
, NL80211_ATTR_KEY_SEQ
, seq_len
, seq
))
2655 wpa_hexdump(MSG_DEBUG
, "nl80211: KEY_SEQ", seq
, seq_len
);
2658 if (addr
&& !is_broadcast_ether_addr(addr
)) {
2659 wpa_printf(MSG_DEBUG
, " addr=" MACSTR
, MAC2STR(addr
));
2660 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
2663 if (alg
!= WPA_ALG_WEP
&& key_idx
&& !set_tx
) {
2664 wpa_printf(MSG_DEBUG
, " RSN IBSS RX GTK");
2665 if (nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
,
2666 NL80211_KEYTYPE_GROUP
))
2669 } else if (addr
&& is_broadcast_ether_addr(addr
)) {
2670 struct nlattr
*types
;
2672 wpa_printf(MSG_DEBUG
, " broadcast key");
2674 types
= nla_nest_start(msg
, NL80211_ATTR_KEY_DEFAULT_TYPES
);
2676 nla_put_flag(msg
, NL80211_KEY_DEFAULT_TYPE_MULTICAST
))
2678 nla_nest_end(msg
, types
);
2680 if (nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2683 ret
= send_and_recv_msgs(drv
, msg
, NULL
, key
? (void *) -1 : NULL
);
2684 if ((ret
== -ENOENT
|| ret
== -ENOLINK
) && alg
== WPA_ALG_NONE
)
2687 wpa_printf(MSG_DEBUG
, "nl80211: set_key failed; err=%d %s)",
2688 ret
, strerror(-ret
));
2691 * If we failed or don't need to set the default TX key (below),
2694 if (ret
|| !set_tx
|| alg
== WPA_ALG_NONE
|| tdls
)
2696 if (is_ap_interface(drv
->nlmode
) && addr
&&
2697 !is_broadcast_ether_addr(addr
))
2700 msg
= nl80211_ifindex_msg(drv
, ifindex
, 0, NL80211_CMD_SET_KEY
);
2702 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
) ||
2703 nla_put_flag(msg
, (alg
== WPA_ALG_IGTK
||
2704 alg
== WPA_ALG_BIP_GMAC_128
||
2705 alg
== WPA_ALG_BIP_GMAC_256
||
2706 alg
== WPA_ALG_BIP_CMAC_256
) ?
2707 NL80211_ATTR_KEY_DEFAULT_MGMT
:
2708 NL80211_ATTR_KEY_DEFAULT
))
2710 if (addr
&& is_broadcast_ether_addr(addr
)) {
2711 struct nlattr
*types
;
2713 types
= nla_nest_start(msg
, NL80211_ATTR_KEY_DEFAULT_TYPES
);
2715 nla_put_flag(msg
, NL80211_KEY_DEFAULT_TYPE_MULTICAST
))
2717 nla_nest_end(msg
, types
);
2719 struct nlattr
*types
;
2721 types
= nla_nest_start(msg
, NL80211_ATTR_KEY_DEFAULT_TYPES
);
2723 nla_put_flag(msg
, NL80211_KEY_DEFAULT_TYPE_UNICAST
))
2725 nla_nest_end(msg
, types
);
2728 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
2732 wpa_printf(MSG_DEBUG
, "nl80211: set_key default failed; "
2733 "err=%d %s)", ret
, strerror(-ret
));
2737 nl80211_nlmsg_clear(msg
);
2743 static int nl_add_key(struct nl_msg
*msg
, enum wpa_alg alg
,
2744 int key_idx
, int defkey
,
2745 const u8
*seq
, size_t seq_len
,
2746 const u8
*key
, size_t key_len
)
2748 struct nlattr
*key_attr
= nla_nest_start(msg
, NL80211_ATTR_KEY
);
2754 suite
= wpa_alg_to_cipher_suite(alg
, key_len
);
2758 if (defkey
&& alg
== WPA_ALG_IGTK
) {
2759 if (nla_put_flag(msg
, NL80211_KEY_DEFAULT_MGMT
))
2761 } else if (defkey
) {
2762 if (nla_put_flag(msg
, NL80211_KEY_DEFAULT
))
2766 if (nla_put_u8(msg
, NL80211_KEY_IDX
, key_idx
) ||
2767 nla_put_u32(msg
, NL80211_KEY_CIPHER
, suite
) ||
2769 nla_put(msg
, NL80211_KEY_SEQ
, seq_len
, seq
)) ||
2770 nla_put(msg
, NL80211_KEY_DATA
, key_len
, key
))
2773 nla_nest_end(msg
, key_attr
);
2779 static int nl80211_set_conn_keys(struct wpa_driver_associate_params
*params
,
2783 struct nlattr
*nl_keys
, *nl_key
;
2785 for (i
= 0; i
< 4; i
++) {
2786 if (!params
->wep_key
[i
])
2791 if (params
->wps
== WPS_MODE_PRIVACY
)
2793 if (params
->pairwise_suite
&&
2794 params
->pairwise_suite
!= WPA_CIPHER_NONE
)
2800 if (nla_put_flag(msg
, NL80211_ATTR_PRIVACY
))
2803 nl_keys
= nla_nest_start(msg
, NL80211_ATTR_KEYS
);
2807 for (i
= 0; i
< 4; i
++) {
2808 if (!params
->wep_key
[i
])
2811 nl_key
= nla_nest_start(msg
, i
);
2813 nla_put(msg
, NL80211_KEY_DATA
, params
->wep_key_len
[i
],
2814 params
->wep_key
[i
]) ||
2815 nla_put_u32(msg
, NL80211_KEY_CIPHER
,
2816 params
->wep_key_len
[i
] == 5 ?
2817 WLAN_CIPHER_SUITE_WEP40
:
2818 WLAN_CIPHER_SUITE_WEP104
) ||
2819 nla_put_u8(msg
, NL80211_KEY_IDX
, i
) ||
2820 (i
== params
->wep_tx_keyidx
&&
2821 nla_put_flag(msg
, NL80211_KEY_DEFAULT
)))
2824 nla_nest_end(msg
, nl_key
);
2826 nla_nest_end(msg
, nl_keys
);
2832 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data
*drv
,
2833 const u8
*addr
, int cmd
, u16 reason_code
,
2834 int local_state_change
)
2839 if (!(msg
= nl80211_drv_msg(drv
, 0, cmd
)) ||
2840 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
) ||
2841 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
2842 (local_state_change
&&
2843 nla_put_flag(msg
, NL80211_ATTR_LOCAL_STATE_CHANGE
))) {
2848 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
2850 wpa_dbg(drv
->ctx
, MSG_DEBUG
,
2851 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2852 reason_code
, ret
, strerror(-ret
));
2858 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data
*drv
,
2863 wpa_printf(MSG_DEBUG
, "%s(reason_code=%d)", __func__
, reason_code
);
2864 nl80211_mark_disconnected(drv
);
2865 /* Disconnect command doesn't need BSSID - it uses cached value */
2866 ret
= wpa_driver_nl80211_mlme(drv
, NULL
, NL80211_CMD_DISCONNECT
,
2869 * For locally generated disconnect, supplicant already generates a
2870 * DEAUTH event, so ignore the event from NL80211.
2872 drv
->ignore_next_local_disconnect
= ret
== 0;
2878 static int wpa_driver_nl80211_deauthenticate(struct i802_bss
*bss
,
2879 const u8
*addr
, int reason_code
)
2881 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
2884 if (drv
->nlmode
== NL80211_IFTYPE_ADHOC
) {
2885 nl80211_mark_disconnected(drv
);
2886 return nl80211_leave_ibss(drv
, 1);
2888 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_SME
))
2889 return wpa_driver_nl80211_disconnect(drv
, reason_code
);
2890 wpa_printf(MSG_DEBUG
, "%s(addr=" MACSTR
" reason_code=%d)",
2891 __func__
, MAC2STR(addr
), reason_code
);
2892 nl80211_mark_disconnected(drv
);
2893 ret
= wpa_driver_nl80211_mlme(drv
, addr
, NL80211_CMD_DEAUTHENTICATE
,
2896 * For locally generated deauthenticate, supplicant already generates a
2897 * DEAUTH event, so ignore the event from NL80211.
2899 drv
->ignore_next_local_deauth
= ret
== 0;
2904 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data
*drv
,
2905 struct wpa_driver_auth_params
*params
)
2909 drv
->auth_freq
= params
->freq
;
2910 drv
->auth_alg
= params
->auth_alg
;
2911 drv
->auth_wep_tx_keyidx
= params
->wep_tx_keyidx
;
2912 drv
->auth_local_state_change
= params
->local_state_change
;
2913 drv
->auth_p2p
= params
->p2p
;
2916 os_memcpy(drv
->auth_bssid_
, params
->bssid
, ETH_ALEN
);
2918 os_memset(drv
->auth_bssid_
, 0, ETH_ALEN
);
2921 os_memcpy(drv
->auth_ssid
, params
->ssid
, params
->ssid_len
);
2922 drv
->auth_ssid_len
= params
->ssid_len
;
2924 drv
->auth_ssid_len
= 0;
2927 os_free(drv
->auth_ie
);
2928 drv
->auth_ie
= NULL
;
2929 drv
->auth_ie_len
= 0;
2931 drv
->auth_ie
= os_malloc(params
->ie_len
);
2933 os_memcpy(drv
->auth_ie
, params
->ie
, params
->ie_len
);
2934 drv
->auth_ie_len
= params
->ie_len
;
2938 for (i
= 0; i
< 4; i
++) {
2939 if (params
->wep_key
[i
] && params
->wep_key_len
[i
] &&
2940 params
->wep_key_len
[i
] <= 16) {
2941 os_memcpy(drv
->auth_wep_key
[i
], params
->wep_key
[i
],
2942 params
->wep_key_len
[i
]);
2943 drv
->auth_wep_key_len
[i
] = params
->wep_key_len
[i
];
2945 drv
->auth_wep_key_len
[i
] = 0;
2950 static void nl80211_unmask_11b_rates(struct i802_bss
*bss
)
2952 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
2954 if (is_p2p_net_interface(drv
->nlmode
) || !drv
->disabled_11b_rates
)
2958 * Looks like we failed to unmask 11b rates previously. This could
2959 * happen, e.g., if the interface was down at the point in time when a
2960 * P2P group was terminated.
2962 wpa_printf(MSG_DEBUG
,
2963 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
2965 nl80211_disable_11b_rates(drv
, drv
->ifindex
, 0);
2969 static int wpa_driver_nl80211_authenticate(
2970 struct i802_bss
*bss
, struct wpa_driver_auth_params
*params
)
2972 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
2975 enum nl80211_auth_type type
;
2976 enum nl80211_iftype nlmode
;
2980 nl80211_unmask_11b_rates(bss
);
2982 is_retry
= drv
->retry_auth
;
2983 drv
->retry_auth
= 0;
2984 drv
->ignore_deauth_event
= 0;
2986 nl80211_mark_disconnected(drv
);
2987 os_memset(drv
->auth_bssid
, 0, ETH_ALEN
);
2989 os_memcpy(drv
->auth_attempt_bssid
, params
->bssid
, ETH_ALEN
);
2991 os_memset(drv
->auth_attempt_bssid
, 0, ETH_ALEN
);
2992 /* FIX: IBSS mode */
2993 nlmode
= params
->p2p
?
2994 NL80211_IFTYPE_P2P_CLIENT
: NL80211_IFTYPE_STATION
;
2995 if (drv
->nlmode
!= nlmode
&&
2996 wpa_driver_nl80211_set_mode(bss
, nlmode
) < 0)
3000 wpa_printf(MSG_DEBUG
, "nl80211: Authenticate (ifindex=%d)",
3003 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_AUTHENTICATE
);
3007 for (i
= 0; i
< 4; i
++) {
3008 if (!params
->wep_key
[i
])
3010 wpa_driver_nl80211_set_key(bss
->ifname
, bss
, WPA_ALG_WEP
,
3012 i
== params
->wep_tx_keyidx
, NULL
, 0,
3014 params
->wep_key_len
[i
]);
3015 if (params
->wep_tx_keyidx
!= i
)
3017 if (nl_add_key(msg
, WPA_ALG_WEP
, i
, 1, NULL
, 0,
3018 params
->wep_key
[i
], params
->wep_key_len
[i
]))
3022 if (params
->bssid
) {
3023 wpa_printf(MSG_DEBUG
, " * bssid=" MACSTR
,
3024 MAC2STR(params
->bssid
));
3025 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, params
->bssid
))
3029 wpa_printf(MSG_DEBUG
, " * freq=%d", params
->freq
);
3030 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, params
->freq
))
3034 wpa_hexdump_ascii(MSG_DEBUG
, " * SSID",
3035 params
->ssid
, params
->ssid_len
);
3036 if (nla_put(msg
, NL80211_ATTR_SSID
, params
->ssid_len
,
3040 wpa_hexdump(MSG_DEBUG
, " * IEs", params
->ie
, params
->ie_len
);
3042 nla_put(msg
, NL80211_ATTR_IE
, params
->ie_len
, params
->ie
))
3044 if (params
->sae_data
) {
3045 wpa_hexdump(MSG_DEBUG
, " * SAE data", params
->sae_data
,
3046 params
->sae_data_len
);
3047 if (nla_put(msg
, NL80211_ATTR_SAE_DATA
, params
->sae_data_len
,
3051 if (params
->auth_alg
& WPA_AUTH_ALG_OPEN
)
3052 type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
3053 else if (params
->auth_alg
& WPA_AUTH_ALG_SHARED
)
3054 type
= NL80211_AUTHTYPE_SHARED_KEY
;
3055 else if (params
->auth_alg
& WPA_AUTH_ALG_LEAP
)
3056 type
= NL80211_AUTHTYPE_NETWORK_EAP
;
3057 else if (params
->auth_alg
& WPA_AUTH_ALG_FT
)
3058 type
= NL80211_AUTHTYPE_FT
;
3059 else if (params
->auth_alg
& WPA_AUTH_ALG_SAE
)
3060 type
= NL80211_AUTHTYPE_SAE
;
3063 wpa_printf(MSG_DEBUG
, " * Auth Type %d", type
);
3064 if (nla_put_u32(msg
, NL80211_ATTR_AUTH_TYPE
, type
))
3066 if (params
->local_state_change
) {
3067 wpa_printf(MSG_DEBUG
, " * Local state change only");
3068 if (nla_put_flag(msg
, NL80211_ATTR_LOCAL_STATE_CHANGE
))
3072 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
3075 wpa_dbg(drv
->ctx
, MSG_DEBUG
,
3076 "nl80211: MLME command failed (auth): ret=%d (%s)",
3077 ret
, strerror(-ret
));
3079 if (ret
== -EALREADY
&& count
== 1 && params
->bssid
&&
3080 !params
->local_state_change
) {
3082 * mac80211 does not currently accept new
3083 * authentication if we are already authenticated. As a
3084 * workaround, force deauthentication and try again.
3086 wpa_printf(MSG_DEBUG
, "nl80211: Retry authentication "
3087 "after forced deauthentication");
3088 drv
->ignore_deauth_event
= 1;
3089 wpa_driver_nl80211_deauthenticate(
3091 WLAN_REASON_PREV_AUTH_NOT_VALID
);
3096 if (ret
== -ENOENT
&& params
->freq
&& !is_retry
) {
3098 * cfg80211 has likely expired the BSS entry even
3099 * though it was previously available in our internal
3100 * BSS table. To recover quickly, start a single
3101 * channel scan on the specified channel.
3103 struct wpa_driver_scan_params scan
;
3106 os_memset(&scan
, 0, sizeof(scan
));
3109 scan
.ssids
[0].ssid
= params
->ssid
;
3110 scan
.ssids
[0].ssid_len
= params
->ssid_len
;
3112 freqs
[0] = params
->freq
;
3115 wpa_printf(MSG_DEBUG
, "nl80211: Trigger single "
3116 "channel scan to refresh cfg80211 BSS "
3118 ret
= wpa_driver_nl80211_scan(bss
, &scan
);
3120 nl80211_copy_auth_params(drv
, params
);
3121 drv
->scan_for_auth
= 1;
3123 } else if (is_retry
) {
3125 * Need to indicate this with an event since the return
3126 * value from the retry is not delivered to core code.
3128 union wpa_event_data event
;
3129 wpa_printf(MSG_DEBUG
, "nl80211: Authentication retry "
3131 os_memset(&event
, 0, sizeof(event
));
3132 os_memcpy(event
.timeout_event
.addr
, drv
->auth_bssid_
,
3134 wpa_supplicant_event(drv
->ctx
, EVENT_AUTH_TIMED_OUT
,
3138 wpa_printf(MSG_DEBUG
,
3139 "nl80211: Authentication request send successfully");
3148 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data
*drv
)
3150 struct wpa_driver_auth_params params
;
3151 struct i802_bss
*bss
= drv
->first_bss
;
3154 wpa_printf(MSG_DEBUG
, "nl80211: Try to authenticate again");
3156 os_memset(¶ms
, 0, sizeof(params
));
3157 params
.freq
= drv
->auth_freq
;
3158 params
.auth_alg
= drv
->auth_alg
;
3159 params
.wep_tx_keyidx
= drv
->auth_wep_tx_keyidx
;
3160 params
.local_state_change
= drv
->auth_local_state_change
;
3161 params
.p2p
= drv
->auth_p2p
;
3163 if (!is_zero_ether_addr(drv
->auth_bssid_
))
3164 params
.bssid
= drv
->auth_bssid_
;
3166 if (drv
->auth_ssid_len
) {
3167 params
.ssid
= drv
->auth_ssid
;
3168 params
.ssid_len
= drv
->auth_ssid_len
;
3171 params
.ie
= drv
->auth_ie
;
3172 params
.ie_len
= drv
->auth_ie_len
;
3174 for (i
= 0; i
< 4; i
++) {
3175 if (drv
->auth_wep_key_len
[i
]) {
3176 params
.wep_key
[i
] = drv
->auth_wep_key
[i
];
3177 params
.wep_key_len
[i
] = drv
->auth_wep_key_len
[i
];
3181 drv
->retry_auth
= 1;
3182 return wpa_driver_nl80211_authenticate(bss
, ¶ms
);
3186 static int wpa_driver_nl80211_send_frame(struct i802_bss
*bss
,
3187 const void *data
, size_t len
,
3188 int encrypt
, int noack
,
3189 unsigned int freq
, int no_cck
,
3190 int offchanok
, unsigned int wait_time
,
3191 const u16
*csa_offs
,
3192 size_t csa_offs_len
)
3194 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3198 if (freq
== 0 && drv
->nlmode
== NL80211_IFTYPE_ADHOC
) {
3199 freq
= nl80211_get_assoc_freq(drv
);
3200 wpa_printf(MSG_DEBUG
,
3201 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3205 wpa_printf(MSG_DEBUG
, "nl80211: send_frame - Use bss->freq=%u",
3210 if (drv
->use_monitor
) {
3211 wpa_printf(MSG_DEBUG
, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3213 return nl80211_send_monitor(drv
, data
, len
, encrypt
, noack
);
3216 wpa_printf(MSG_DEBUG
, "nl80211: send_frame -> send_frame_cmd");
3217 res
= nl80211_send_frame_cmd(bss
, freq
, wait_time
, data
, len
,
3218 &cookie
, no_cck
, noack
, offchanok
,
3219 csa_offs
, csa_offs_len
);
3220 if (res
== 0 && !noack
) {
3221 const struct ieee80211_mgmt
*mgmt
;
3224 mgmt
= (const struct ieee80211_mgmt
*) data
;
3225 fc
= le_to_host16(mgmt
->frame_control
);
3226 if (WLAN_FC_GET_TYPE(fc
) == WLAN_FC_TYPE_MGMT
&&
3227 WLAN_FC_GET_STYPE(fc
) == WLAN_FC_STYPE_ACTION
) {
3228 wpa_printf(MSG_MSGDUMP
,
3229 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3230 (long long unsigned int)
3231 drv
->send_action_cookie
,
3232 (long long unsigned int) cookie
);
3233 drv
->send_action_cookie
= cookie
;
3241 static int wpa_driver_nl80211_send_mlme(struct i802_bss
*bss
, const u8
*data
,
3242 size_t data_len
, int noack
,
3243 unsigned int freq
, int no_cck
,
3245 unsigned int wait_time
,
3246 const u16
*csa_offs
,
3247 size_t csa_offs_len
)
3249 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3250 struct ieee80211_mgmt
*mgmt
;
3254 mgmt
= (struct ieee80211_mgmt
*) data
;
3255 fc
= le_to_host16(mgmt
->frame_control
);
3256 wpa_printf(MSG_DEBUG
, "nl80211: send_mlme - da= " MACSTR
3257 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3258 MAC2STR(mgmt
->da
), noack
, freq
, no_cck
, offchanok
, wait_time
,
3259 fc
, fc2str(fc
), drv
->nlmode
);
3261 if ((is_sta_interface(drv
->nlmode
) ||
3262 drv
->nlmode
== NL80211_IFTYPE_P2P_DEVICE
) &&
3263 WLAN_FC_GET_TYPE(fc
) == WLAN_FC_TYPE_MGMT
&&
3264 WLAN_FC_GET_STYPE(fc
) == WLAN_FC_STYPE_PROBE_RESP
) {
3266 * The use of last_mgmt_freq is a bit of a hack,
3267 * but it works due to the single-threaded nature
3268 * of wpa_supplicant.
3271 wpa_printf(MSG_DEBUG
, "nl80211: Use last_mgmt_freq=%d",
3272 drv
->last_mgmt_freq
);
3273 freq
= drv
->last_mgmt_freq
;
3275 return nl80211_send_frame_cmd(bss
, freq
, 0,
3276 data
, data_len
, NULL
, 1, noack
,
3277 1, csa_offs
, csa_offs_len
);
3280 if (drv
->device_ap_sme
&& is_ap_interface(drv
->nlmode
)) {
3282 wpa_printf(MSG_DEBUG
, "nl80211: Use bss->freq=%d",
3286 return nl80211_send_frame_cmd(bss
, freq
,
3287 (int) freq
== bss
->freq
? 0 :
3290 &drv
->send_action_cookie
,
3291 no_cck
, noack
, offchanok
,
3292 csa_offs
, csa_offs_len
);
3295 if (WLAN_FC_GET_TYPE(fc
) == WLAN_FC_TYPE_MGMT
&&
3296 WLAN_FC_GET_STYPE(fc
) == WLAN_FC_STYPE_AUTH
) {
3298 * Only one of the authentication frame types is encrypted.
3299 * In order for static WEP encryption to work properly (i.e.,
3300 * to not encrypt the frame), we need to tell mac80211 about
3301 * the frames that must not be encrypted.
3303 u16 auth_alg
= le_to_host16(mgmt
->u
.auth
.auth_alg
);
3304 u16 auth_trans
= le_to_host16(mgmt
->u
.auth
.auth_transaction
);
3305 if (auth_alg
!= WLAN_AUTH_SHARED_KEY
|| auth_trans
!= 3)
3309 wpa_printf(MSG_DEBUG
, "nl80211: send_mlme -> send_frame");
3310 return wpa_driver_nl80211_send_frame(bss
, data
, data_len
, encrypt
,
3311 noack
, freq
, no_cck
, offchanok
,
3312 wait_time
, csa_offs
,
3317 static int nl80211_put_basic_rates(struct nl_msg
*msg
, const int *basic_rates
)
3319 u8 rates
[NL80211_MAX_SUPP_RATES
];
3326 for (i
= 0; i
< NL80211_MAX_SUPP_RATES
&& basic_rates
[i
] >= 0; i
++)
3327 rates
[rates_len
++] = basic_rates
[i
] / 5;
3329 return nla_put(msg
, NL80211_ATTR_BSS_BASIC_RATES
, rates_len
, rates
);
3333 static int nl80211_set_bss(struct i802_bss
*bss
, int cts
, int preamble
,
3334 int slot
, int ht_opmode
, int ap_isolate
,
3335 const int *basic_rates
)
3337 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3340 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_BSS
)) ||
3342 nla_put_u8(msg
, NL80211_ATTR_BSS_CTS_PROT
, cts
)) ||
3344 nla_put_u8(msg
, NL80211_ATTR_BSS_SHORT_PREAMBLE
, preamble
)) ||
3346 nla_put_u8(msg
, NL80211_ATTR_BSS_SHORT_SLOT_TIME
, slot
)) ||
3348 nla_put_u16(msg
, NL80211_ATTR_BSS_HT_OPMODE
, ht_opmode
)) ||
3350 nla_put_u8(msg
, NL80211_ATTR_AP_ISOLATE
, ap_isolate
)) ||
3351 nl80211_put_basic_rates(msg
, basic_rates
)) {
3356 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
3360 static int wpa_driver_nl80211_set_acl(void *priv
,
3361 struct hostapd_acl_params
*params
)
3363 struct i802_bss
*bss
= priv
;
3364 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3370 if (!(drv
->capa
.max_acl_mac_addrs
))
3373 if (params
->num_mac_acl
> drv
->capa
.max_acl_mac_addrs
)
3376 wpa_printf(MSG_DEBUG
, "nl80211: Set %s ACL (num_mac_acl=%u)",
3377 params
->acl_policy
? "Accept" : "Deny", params
->num_mac_acl
);
3379 acl
= nlmsg_alloc();
3382 for (i
= 0; i
< params
->num_mac_acl
; i
++) {
3383 if (nla_put(acl
, i
+ 1, ETH_ALEN
, params
->mac_acl
[i
].addr
)) {
3389 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_SET_MAC_ACL
)) ||
3390 nla_put_u32(msg
, NL80211_ATTR_ACL_POLICY
, params
->acl_policy
?
3391 NL80211_ACL_POLICY_DENY_UNLESS_LISTED
:
3392 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
) ||
3393 nla_put_nested(msg
, NL80211_ATTR_MAC_ADDRS
, acl
)) {
3400 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
3402 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set MAC ACL: %d (%s)",
3403 ret
, strerror(-ret
));
3410 static int nl80211_put_beacon_int(struct nl_msg
*msg
, int beacon_int
)
3412 if (beacon_int
> 0) {
3413 wpa_printf(MSG_DEBUG
, " * beacon_int=%d", beacon_int
);
3414 return nla_put_u32(msg
, NL80211_ATTR_BEACON_INTERVAL
,
3422 static int wpa_driver_nl80211_set_ap(void *priv
,
3423 struct wpa_driver_ap_params
*params
)
3425 struct i802_bss
*bss
= priv
;
3426 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3428 u8 cmd
= NL80211_CMD_NEW_BEACON
;
3433 u32 suites
[10], suite
;
3436 beacon_set
= params
->reenable
? 0 : bss
->beacon_set
;
3438 wpa_printf(MSG_DEBUG
, "nl80211: Set beacon (beacon_set=%d)",
3441 cmd
= NL80211_CMD_SET_BEACON
;
3443 wpa_hexdump(MSG_DEBUG
, "nl80211: Beacon head",
3444 params
->head
, params
->head_len
);
3445 wpa_hexdump(MSG_DEBUG
, "nl80211: Beacon tail",
3446 params
->tail
, params
->tail_len
);
3447 wpa_printf(MSG_DEBUG
, "nl80211: ifindex=%d", bss
->ifindex
);
3448 wpa_printf(MSG_DEBUG
, "nl80211: beacon_int=%d", params
->beacon_int
);
3449 wpa_printf(MSG_DEBUG
, "nl80211: dtim_period=%d", params
->dtim_period
);
3450 wpa_hexdump_ascii(MSG_DEBUG
, "nl80211: ssid",
3451 params
->ssid
, params
->ssid_len
);
3452 if (!(msg
= nl80211_bss_msg(bss
, 0, cmd
)) ||
3453 nla_put(msg
, NL80211_ATTR_BEACON_HEAD
, params
->head_len
,
3455 nla_put(msg
, NL80211_ATTR_BEACON_TAIL
, params
->tail_len
,
3457 nl80211_put_beacon_int(msg
, params
->beacon_int
) ||
3458 nla_put_u32(msg
, NL80211_ATTR_DTIM_PERIOD
, params
->dtim_period
) ||
3459 nla_put(msg
, NL80211_ATTR_SSID
, params
->ssid_len
, params
->ssid
))
3461 if (params
->proberesp
&& params
->proberesp_len
) {
3462 wpa_hexdump(MSG_DEBUG
, "nl80211: proberesp (offload)",
3463 params
->proberesp
, params
->proberesp_len
);
3464 if (nla_put(msg
, NL80211_ATTR_PROBE_RESP
, params
->proberesp_len
,
3468 switch (params
->hide_ssid
) {
3469 case NO_SSID_HIDING
:
3470 wpa_printf(MSG_DEBUG
, "nl80211: hidden SSID not in use");
3471 if (nla_put_u32(msg
, NL80211_ATTR_HIDDEN_SSID
,
3472 NL80211_HIDDEN_SSID_NOT_IN_USE
))
3475 case HIDDEN_SSID_ZERO_LEN
:
3476 wpa_printf(MSG_DEBUG
, "nl80211: hidden SSID zero len");
3477 if (nla_put_u32(msg
, NL80211_ATTR_HIDDEN_SSID
,
3478 NL80211_HIDDEN_SSID_ZERO_LEN
))
3481 case HIDDEN_SSID_ZERO_CONTENTS
:
3482 wpa_printf(MSG_DEBUG
, "nl80211: hidden SSID zero contents");
3483 if (nla_put_u32(msg
, NL80211_ATTR_HIDDEN_SSID
,
3484 NL80211_HIDDEN_SSID_ZERO_CONTENTS
))
3488 wpa_printf(MSG_DEBUG
, "nl80211: privacy=%d", params
->privacy
);
3489 if (params
->privacy
&&
3490 nla_put_flag(msg
, NL80211_ATTR_PRIVACY
))
3492 wpa_printf(MSG_DEBUG
, "nl80211: auth_algs=0x%x", params
->auth_algs
);
3493 if ((params
->auth_algs
& (WPA_AUTH_ALG_OPEN
| WPA_AUTH_ALG_SHARED
)) ==
3494 (WPA_AUTH_ALG_OPEN
| WPA_AUTH_ALG_SHARED
)) {
3495 /* Leave out the attribute */
3496 } else if (params
->auth_algs
& WPA_AUTH_ALG_SHARED
) {
3497 if (nla_put_u32(msg
, NL80211_ATTR_AUTH_TYPE
,
3498 NL80211_AUTHTYPE_SHARED_KEY
))
3501 if (nla_put_u32(msg
, NL80211_ATTR_AUTH_TYPE
,
3502 NL80211_AUTHTYPE_OPEN_SYSTEM
))
3506 wpa_printf(MSG_DEBUG
, "nl80211: wpa_version=0x%x", params
->wpa_version
);
3508 if (params
->wpa_version
& WPA_PROTO_WPA
)
3509 ver
|= NL80211_WPA_VERSION_1
;
3510 if (params
->wpa_version
& WPA_PROTO_RSN
)
3511 ver
|= NL80211_WPA_VERSION_2
;
3513 nla_put_u32(msg
, NL80211_ATTR_WPA_VERSIONS
, ver
))
3516 wpa_printf(MSG_DEBUG
, "nl80211: key_mgmt_suites=0x%x",
3517 params
->key_mgmt_suites
);
3519 if (params
->key_mgmt_suites
& WPA_KEY_MGMT_IEEE8021X
)
3520 suites
[num_suites
++] = WLAN_AKM_SUITE_8021X
;
3521 if (params
->key_mgmt_suites
& WPA_KEY_MGMT_PSK
)
3522 suites
[num_suites
++] = WLAN_AKM_SUITE_PSK
;
3524 nla_put(msg
, NL80211_ATTR_AKM_SUITES
, num_suites
* sizeof(u32
),
3528 if (params
->key_mgmt_suites
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
&&
3529 params
->pairwise_ciphers
& (WPA_CIPHER_WEP104
| WPA_CIPHER_WEP40
) &&
3530 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
))
3533 wpa_printf(MSG_DEBUG
, "nl80211: pairwise_ciphers=0x%x",
3534 params
->pairwise_ciphers
);
3535 num_suites
= wpa_cipher_to_cipher_suites(params
->pairwise_ciphers
,
3536 suites
, ARRAY_SIZE(suites
));
3538 nla_put(msg
, NL80211_ATTR_CIPHER_SUITES_PAIRWISE
,
3539 num_suites
* sizeof(u32
), suites
))
3542 wpa_printf(MSG_DEBUG
, "nl80211: group_cipher=0x%x",
3543 params
->group_cipher
);
3544 suite
= wpa_cipher_to_cipher_suite(params
->group_cipher
);
3546 nla_put_u32(msg
, NL80211_ATTR_CIPHER_SUITE_GROUP
, suite
))
3549 if (params
->ht_opmode
!= -1) {
3550 switch (params
->smps_mode
) {
3551 case HT_CAP_INFO_SMPS_DYNAMIC
:
3552 wpa_printf(MSG_DEBUG
, "nl80211: SMPS mode - dynamic");
3553 smps_mode
= NL80211_SMPS_DYNAMIC
;
3555 case HT_CAP_INFO_SMPS_STATIC
:
3556 wpa_printf(MSG_DEBUG
, "nl80211: SMPS mode - static");
3557 smps_mode
= NL80211_SMPS_STATIC
;
3560 /* invalid - fallback to smps off */
3561 case HT_CAP_INFO_SMPS_DISABLED
:
3562 wpa_printf(MSG_DEBUG
, "nl80211: SMPS mode - off");
3563 smps_mode
= NL80211_SMPS_OFF
;
3566 if (nla_put_u32(msg
, NL80211_ATTR_SMPS_MODE
, smps_mode
))
3570 if (params
->beacon_ies
) {
3571 wpa_hexdump_buf(MSG_DEBUG
, "nl80211: beacon_ies",
3572 params
->beacon_ies
);
3573 if (nla_put(msg
, NL80211_ATTR_IE
,
3574 wpabuf_len(params
->beacon_ies
),
3575 wpabuf_head(params
->beacon_ies
)))
3578 if (params
->proberesp_ies
) {
3579 wpa_hexdump_buf(MSG_DEBUG
, "nl80211: proberesp_ies",
3580 params
->proberesp_ies
);
3581 if (nla_put(msg
, NL80211_ATTR_IE_PROBE_RESP
,
3582 wpabuf_len(params
->proberesp_ies
),
3583 wpabuf_head(params
->proberesp_ies
)))
3586 if (params
->assocresp_ies
) {
3587 wpa_hexdump_buf(MSG_DEBUG
, "nl80211: assocresp_ies",
3588 params
->assocresp_ies
);
3589 if (nla_put(msg
, NL80211_ATTR_IE_ASSOC_RESP
,
3590 wpabuf_len(params
->assocresp_ies
),
3591 wpabuf_head(params
->assocresp_ies
)))
3595 if (drv
->capa
.flags
& WPA_DRIVER_FLAGS_INACTIVITY_TIMER
) {
3596 wpa_printf(MSG_DEBUG
, "nl80211: ap_max_inactivity=%d",
3597 params
->ap_max_inactivity
);
3598 if (nla_put_u16(msg
, NL80211_ATTR_INACTIVITY_TIMEOUT
,
3599 params
->ap_max_inactivity
))
3604 if (params
->p2p_go_ctwindow
> 0) {
3605 if (drv
->p2p_go_ctwindow_supported
) {
3606 wpa_printf(MSG_DEBUG
, "nl80211: P2P GO ctwindow=%d",
3607 params
->p2p_go_ctwindow
);
3608 if (nla_put_u8(msg
, NL80211_ATTR_P2P_CTWINDOW
,
3609 params
->p2p_go_ctwindow
))
3612 wpa_printf(MSG_INFO
,
3613 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
3616 #endif /* CONFIG_P2P */
3619 wpa_printf(MSG_DEBUG
, "nl80211: PBSS");
3620 if (nla_put_flag(msg
, NL80211_ATTR_PBSS
))
3624 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
3626 wpa_printf(MSG_DEBUG
, "nl80211: Beacon set failed: %d (%s)",
3627 ret
, strerror(-ret
));
3629 bss
->beacon_set
= 1;
3630 nl80211_set_bss(bss
, params
->cts_protect
, params
->preamble
,
3631 params
->short_slot_time
, params
->ht_opmode
,
3632 params
->isolate
, params
->basic_rates
);
3633 if (beacon_set
&& params
->freq
&&
3634 params
->freq
->bandwidth
!= bss
->bandwidth
) {
3635 wpa_printf(MSG_DEBUG
,
3636 "nl80211: Update BSS %s bandwidth: %d -> %d",
3637 bss
->ifname
, bss
->bandwidth
,
3638 params
->freq
->bandwidth
);
3639 ret
= nl80211_set_channel(bss
, params
->freq
, 1);
3641 wpa_printf(MSG_DEBUG
,
3642 "nl80211: Frequency set failed: %d (%s)",
3643 ret
, strerror(-ret
));
3645 wpa_printf(MSG_DEBUG
,
3646 "nl80211: Frequency set succeeded for ht2040 coex");
3647 bss
->bandwidth
= params
->freq
->bandwidth
;
3649 } else if (!beacon_set
) {
3651 * cfg80211 updates the driver on frequence change in AP
3652 * mode only at the point when beaconing is started, so
3653 * set the initial value here.
3655 bss
->bandwidth
= params
->freq
->bandwidth
;
3665 static int nl80211_put_freq_params(struct nl_msg
*msg
,
3666 const struct hostapd_freq_params
*freq
)
3668 wpa_printf(MSG_DEBUG
, " * freq=%d", freq
->freq
);
3669 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
->freq
))
3672 wpa_printf(MSG_DEBUG
, " * vht_enabled=%d", freq
->vht_enabled
);
3673 wpa_printf(MSG_DEBUG
, " * ht_enabled=%d", freq
->ht_enabled
);
3675 if (freq
->vht_enabled
) {
3676 enum nl80211_chan_width cw
;
3678 wpa_printf(MSG_DEBUG
, " * bandwidth=%d", freq
->bandwidth
);
3679 switch (freq
->bandwidth
) {
3681 cw
= NL80211_CHAN_WIDTH_20
;
3684 cw
= NL80211_CHAN_WIDTH_40
;
3687 if (freq
->center_freq2
)
3688 cw
= NL80211_CHAN_WIDTH_80P80
;
3690 cw
= NL80211_CHAN_WIDTH_80
;
3693 cw
= NL80211_CHAN_WIDTH_160
;
3699 wpa_printf(MSG_DEBUG
, " * channel_width=%d", cw
);
3700 wpa_printf(MSG_DEBUG
, " * center_freq1=%d",
3701 freq
->center_freq1
);
3702 wpa_printf(MSG_DEBUG
, " * center_freq2=%d",
3703 freq
->center_freq2
);
3704 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, cw
) ||
3705 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
,
3706 freq
->center_freq1
) ||
3707 (freq
->center_freq2
&&
3708 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
,
3709 freq
->center_freq2
)))
3711 } else if (freq
->ht_enabled
) {
3712 enum nl80211_channel_type ct
;
3714 wpa_printf(MSG_DEBUG
, " * sec_channel_offset=%d",
3715 freq
->sec_channel_offset
);
3716 switch (freq
->sec_channel_offset
) {
3718 ct
= NL80211_CHAN_HT40MINUS
;
3721 ct
= NL80211_CHAN_HT40PLUS
;
3724 ct
= NL80211_CHAN_HT20
;
3728 wpa_printf(MSG_DEBUG
, " * channel_type=%d", ct
);
3729 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, ct
))
3736 static int nl80211_set_channel(struct i802_bss
*bss
,
3737 struct hostapd_freq_params
*freq
, int set_chan
)
3739 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3743 wpa_printf(MSG_DEBUG
,
3744 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3745 freq
->freq
, freq
->ht_enabled
, freq
->vht_enabled
,
3746 freq
->bandwidth
, freq
->center_freq1
, freq
->center_freq2
);
3748 msg
= nl80211_drv_msg(drv
, 0, set_chan
? NL80211_CMD_SET_CHANNEL
:
3749 NL80211_CMD_SET_WIPHY
);
3750 if (!msg
|| nl80211_put_freq_params(msg
, freq
) < 0) {
3755 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
3757 bss
->freq
= freq
->freq
;
3760 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set channel (freq=%d): "
3761 "%d (%s)", freq
->freq
, ret
, strerror(-ret
));
3766 static u32
sta_flags_nl80211(int flags
)
3770 if (flags
& WPA_STA_AUTHORIZED
)
3771 f
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
3772 if (flags
& WPA_STA_WMM
)
3773 f
|= BIT(NL80211_STA_FLAG_WME
);
3774 if (flags
& WPA_STA_SHORT_PREAMBLE
)
3775 f
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
3776 if (flags
& WPA_STA_MFP
)
3777 f
|= BIT(NL80211_STA_FLAG_MFP
);
3778 if (flags
& WPA_STA_TDLS_PEER
)
3779 f
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
3780 if (flags
& WPA_STA_AUTHENTICATED
)
3781 f
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
3782 if (flags
& WPA_STA_ASSOCIATED
)
3783 f
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
3790 static u32
sta_plink_state_nl80211(enum mesh_plink_state state
)
3794 return NL80211_PLINK_LISTEN
;
3795 case PLINK_OPEN_SENT
:
3796 return NL80211_PLINK_OPN_SNT
;
3797 case PLINK_OPEN_RCVD
:
3798 return NL80211_PLINK_OPN_RCVD
;
3799 case PLINK_CNF_RCVD
:
3800 return NL80211_PLINK_CNF_RCVD
;
3802 return NL80211_PLINK_ESTAB
;
3804 return NL80211_PLINK_HOLDING
;
3806 return NL80211_PLINK_BLOCKED
;
3808 wpa_printf(MSG_ERROR
, "nl80211: Invalid mesh plink state %d",
3813 #endif /* CONFIG_MESH */
3816 static int wpa_driver_nl80211_sta_add(void *priv
,
3817 struct hostapd_sta_add_params
*params
)
3819 struct i802_bss
*bss
= priv
;
3820 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3822 struct nl80211_sta_flag_update upd
;
3825 if ((params
->flags
& WPA_STA_TDLS_PEER
) &&
3826 !(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
))
3829 wpa_printf(MSG_DEBUG
, "nl80211: %s STA " MACSTR
,
3830 params
->set
? "Set" : "Add", MAC2STR(params
->addr
));
3831 msg
= nl80211_bss_msg(bss
, 0, params
->set
? NL80211_CMD_SET_STATION
:
3832 NL80211_CMD_NEW_STATION
);
3833 if (!msg
|| nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, params
->addr
))
3837 * Set the below properties only in one of the following cases:
3838 * 1. New station is added, already associated.
3839 * 2. Set WPA_STA_TDLS_PEER station.
3840 * 3. Set an already added unassociated station, if driver supports
3841 * full AP client state. (Set these properties after station became
3842 * associated will be rejected by the driver).
3844 if (!params
->set
|| (params
->flags
& WPA_STA_TDLS_PEER
) ||
3845 (params
->set
&& FULL_AP_CLIENT_STATE_SUPP(drv
->capa
.flags
) &&
3846 (params
->flags
& WPA_STA_ASSOCIATED
))) {
3847 wpa_hexdump(MSG_DEBUG
, " * supported rates",
3848 params
->supp_rates
, params
->supp_rates_len
);
3849 wpa_printf(MSG_DEBUG
, " * capability=0x%x",
3850 params
->capability
);
3851 if (nla_put(msg
, NL80211_ATTR_STA_SUPPORTED_RATES
,
3852 params
->supp_rates_len
, params
->supp_rates
) ||
3853 nla_put_u16(msg
, NL80211_ATTR_STA_CAPABILITY
,
3854 params
->capability
))
3857 if (params
->ht_capabilities
) {
3858 wpa_hexdump(MSG_DEBUG
, " * ht_capabilities",
3859 (u8
*) params
->ht_capabilities
,
3860 sizeof(*params
->ht_capabilities
));
3861 if (nla_put(msg
, NL80211_ATTR_HT_CAPABILITY
,
3862 sizeof(*params
->ht_capabilities
),
3863 params
->ht_capabilities
))
3867 if (params
->vht_capabilities
) {
3868 wpa_hexdump(MSG_DEBUG
, " * vht_capabilities",
3869 (u8
*) params
->vht_capabilities
,
3870 sizeof(*params
->vht_capabilities
));
3871 if (nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY
,
3872 sizeof(*params
->vht_capabilities
),
3873 params
->vht_capabilities
))
3877 if (params
->ext_capab
) {
3878 wpa_hexdump(MSG_DEBUG
, " * ext_capab",
3879 params
->ext_capab
, params
->ext_capab_len
);
3880 if (nla_put(msg
, NL80211_ATTR_STA_EXT_CAPABILITY
,
3881 params
->ext_capab_len
, params
->ext_capab
))
3885 if (is_ap_interface(drv
->nlmode
) &&
3886 nla_put_u8(msg
, NL80211_ATTR_STA_SUPPORT_P2P_PS
,
3887 params
->support_p2p_ps
?
3888 NL80211_P2P_PS_SUPPORTED
:
3889 NL80211_P2P_PS_UNSUPPORTED
))
3894 wpa_printf(MSG_DEBUG
, " * aid=%u", params
->aid
);
3895 if (nla_put_u16(msg
, NL80211_ATTR_STA_AID
, params
->aid
))
3899 * cfg80211 validates that AID is non-zero, so we have
3900 * to make this a non-zero value for the TDLS case where
3901 * a dummy STA entry is used for now and for a station
3902 * that is still not associated.
3904 wpa_printf(MSG_DEBUG
, " * aid=1 (%s workaround)",
3905 (params
->flags
& WPA_STA_TDLS_PEER
) ?
3906 "TDLS" : "UNASSOC_STA");
3907 if (nla_put_u16(msg
, NL80211_ATTR_STA_AID
, 1))
3910 wpa_printf(MSG_DEBUG
, " * listen_interval=%u",
3911 params
->listen_interval
);
3912 if (nla_put_u16(msg
, NL80211_ATTR_STA_LISTEN_INTERVAL
,
3913 params
->listen_interval
))
3915 } else if (params
->aid
&& (params
->flags
& WPA_STA_TDLS_PEER
)) {
3916 wpa_printf(MSG_DEBUG
, " * peer_aid=%u", params
->aid
);
3917 if (nla_put_u16(msg
, NL80211_ATTR_PEER_AID
, params
->aid
))
3919 } else if (FULL_AP_CLIENT_STATE_SUPP(drv
->capa
.flags
) &&
3920 (params
->flags
& WPA_STA_ASSOCIATED
)) {
3921 wpa_printf(MSG_DEBUG
, " * aid=%u", params
->aid
);
3922 wpa_printf(MSG_DEBUG
, " * listen_interval=%u",
3923 params
->listen_interval
);
3924 if (nla_put_u16(msg
, NL80211_ATTR_STA_AID
, params
->aid
) ||
3925 nla_put_u16(msg
, NL80211_ATTR_STA_LISTEN_INTERVAL
,
3926 params
->listen_interval
))
3930 if (params
->vht_opmode_enabled
) {
3931 wpa_printf(MSG_DEBUG
, " * opmode=%u", params
->vht_opmode
);
3932 if (nla_put_u8(msg
, NL80211_ATTR_OPMODE_NOTIF
,
3933 params
->vht_opmode
))
3937 if (params
->supp_channels
) {
3938 wpa_hexdump(MSG_DEBUG
, " * supported channels",
3939 params
->supp_channels
, params
->supp_channels_len
);
3940 if (nla_put(msg
, NL80211_ATTR_STA_SUPPORTED_CHANNELS
,
3941 params
->supp_channels_len
, params
->supp_channels
))
3945 if (params
->supp_oper_classes
) {
3946 wpa_hexdump(MSG_DEBUG
, " * supported operating classes",
3947 params
->supp_oper_classes
,
3948 params
->supp_oper_classes_len
);
3949 if (nla_put(msg
, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
,
3950 params
->supp_oper_classes_len
,
3951 params
->supp_oper_classes
))
3955 os_memset(&upd
, 0, sizeof(upd
));
3956 upd
.set
= sta_flags_nl80211(params
->flags
);
3957 upd
.mask
= upd
.set
| sta_flags_nl80211(params
->flags_mask
);
3960 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
3961 * flags, as nl80211 driver moves a new station, by default, into
3964 * On the other hand, if the driver supports that feature and the
3965 * station is added in unauthenticated state, set the
3966 * authenticated/associated bits in the mask to prevent moving this
3967 * station to associated state before it is actually associated.
3969 * This is irrelevant for mesh mode where the station is added to the
3970 * driver as authenticated already, and ASSOCIATED isn't part of the
3973 if (!is_mesh_interface(drv
->nlmode
)) {
3974 if (!FULL_AP_CLIENT_STATE_SUPP(drv
->capa
.flags
)) {
3975 wpa_printf(MSG_DEBUG
,
3976 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
3977 upd
.mask
&= ~(BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3978 BIT(NL80211_STA_FLAG_AUTHENTICATED
));
3979 } else if (!params
->set
&&
3980 !(params
->flags
& WPA_STA_TDLS_PEER
)) {
3981 if (!(params
->flags
& WPA_STA_AUTHENTICATED
))
3982 upd
.mask
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
3983 if (!(params
->flags
& WPA_STA_ASSOCIATED
))
3984 upd
.mask
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
3988 wpa_printf(MSG_DEBUG
, " * flags set=0x%x mask=0x%x",
3990 if (nla_put(msg
, NL80211_ATTR_STA_FLAGS2
, sizeof(upd
), &upd
))
3994 if (params
->plink_state
&&
3995 nla_put_u8(msg
, NL80211_ATTR_STA_PLINK_STATE
,
3996 sta_plink_state_nl80211(params
->plink_state
)))
3998 #endif /* CONFIG_MESH */
4000 if (params
->flags
& WPA_STA_WMM
) {
4001 struct nlattr
*wme
= nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
4003 wpa_printf(MSG_DEBUG
, " * qosinfo=0x%x", params
->qosinfo
);
4005 nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
4006 params
->qosinfo
& WMM_QOSINFO_STA_AC_MASK
) ||
4007 nla_put_u8(msg
, NL80211_STA_WME_MAX_SP
,
4008 (params
->qosinfo
>> WMM_QOSINFO_STA_SP_SHIFT
) &
4009 WMM_QOSINFO_STA_SP_MASK
))
4011 nla_nest_end(msg
, wme
);
4014 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
4017 wpa_printf(MSG_DEBUG
, "nl80211: NL80211_CMD_%s_STATION "
4018 "result: %d (%s)", params
->set
? "SET" : "NEW", ret
,
4028 static void rtnl_neigh_delete_fdb_entry(struct i802_bss
*bss
, const u8
*addr
)
4030 #ifdef CONFIG_LIBNL3_ROUTE
4031 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4032 struct rtnl_neigh
*rn
;
4033 struct nl_addr
*nl_addr
;
4036 rn
= rtnl_neigh_alloc();
4040 rtnl_neigh_set_family(rn
, AF_BRIDGE
);
4041 rtnl_neigh_set_ifindex(rn
, bss
->ifindex
);
4042 nl_addr
= nl_addr_build(AF_BRIDGE
, (void *) addr
, ETH_ALEN
);
4047 rtnl_neigh_set_lladdr(rn
, nl_addr
);
4049 err
= rtnl_neigh_delete(drv
->rtnl_sk
, rn
, 0);
4051 wpa_printf(MSG_DEBUG
, "nl80211: bridge FDB entry delete for "
4052 MACSTR
" ifindex=%d failed: %s", MAC2STR(addr
),
4053 bss
->ifindex
, nl_geterror(err
));
4055 wpa_printf(MSG_DEBUG
, "nl80211: deleted bridge FDB entry for "
4056 MACSTR
, MAC2STR(addr
));
4059 nl_addr_put(nl_addr
);
4061 #endif /* CONFIG_LIBNL3_ROUTE */
4065 static int wpa_driver_nl80211_sta_remove(struct i802_bss
*bss
, const u8
*addr
,
4066 int deauth
, u16 reason_code
)
4068 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4072 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_DEL_STATION
)) ||
4073 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
4075 nla_put_u8(msg
, NL80211_ATTR_MGMT_SUBTYPE
,
4076 WLAN_FC_STYPE_DISASSOC
)) ||
4078 nla_put_u8(msg
, NL80211_ATTR_MGMT_SUBTYPE
,
4079 WLAN_FC_STYPE_DEAUTH
)) ||
4081 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
))) {
4086 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
4087 wpa_printf(MSG_DEBUG
, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4089 bss
->ifname
, MAC2STR(addr
), ret
, strerror(-ret
));
4092 rtnl_neigh_delete_fdb_entry(bss
, addr
);
4100 void nl80211_remove_iface(struct wpa_driver_nl80211_data
*drv
, int ifidx
)
4103 struct wpa_driver_nl80211_data
*drv2
;
4105 wpa_printf(MSG_DEBUG
, "nl80211: Remove interface ifindex=%d", ifidx
);
4107 /* stop listening for EAPOL on this interface */
4108 dl_list_for_each(drv2
, &drv
->global
->interfaces
,
4109 struct wpa_driver_nl80211_data
, list
)
4111 del_ifidx(drv2
, ifidx
, IFIDX_ANY
);
4112 /* Remove all bridges learned for this iface */
4113 del_ifidx(drv2
, IFIDX_ANY
, ifidx
);
4116 msg
= nl80211_ifindex_msg(drv
, ifidx
, 0, NL80211_CMD_DEL_INTERFACE
);
4117 if (send_and_recv_msgs(drv
, msg
, NULL
, NULL
) == 0)
4119 wpa_printf(MSG_ERROR
, "Failed to remove interface (ifidx=%d)", ifidx
);
4123 static const char * nl80211_iftype_str(enum nl80211_iftype mode
)
4126 case NL80211_IFTYPE_ADHOC
:
4128 case NL80211_IFTYPE_STATION
:
4130 case NL80211_IFTYPE_AP
:
4132 case NL80211_IFTYPE_AP_VLAN
:
4134 case NL80211_IFTYPE_WDS
:
4136 case NL80211_IFTYPE_MONITOR
:
4138 case NL80211_IFTYPE_MESH_POINT
:
4139 return "MESH_POINT";
4140 case NL80211_IFTYPE_P2P_CLIENT
:
4141 return "P2P_CLIENT";
4142 case NL80211_IFTYPE_P2P_GO
:
4144 case NL80211_IFTYPE_P2P_DEVICE
:
4145 return "P2P_DEVICE";
4152 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data
*drv
,
4154 enum nl80211_iftype iftype
,
4155 const u8
*addr
, int wds
,
4156 int (*handler
)(struct nl_msg
*, void *),
4163 wpa_printf(MSG_DEBUG
, "nl80211: Create interface iftype %d (%s)",
4164 iftype
, nl80211_iftype_str(iftype
));
4166 msg
= nl80211_cmd_msg(drv
->first_bss
, 0, NL80211_CMD_NEW_INTERFACE
);
4168 nla_put_string(msg
, NL80211_ATTR_IFNAME
, ifname
) ||
4169 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, iftype
))
4172 if (iftype
== NL80211_IFTYPE_MONITOR
) {
4173 struct nlattr
*flags
;
4175 flags
= nla_nest_start(msg
, NL80211_ATTR_MNTR_FLAGS
);
4177 nla_put_flag(msg
, NL80211_MNTR_FLAG_COOK_FRAMES
))
4180 nla_nest_end(msg
, flags
);
4182 if (nla_put_u8(msg
, NL80211_ATTR_4ADDR
, wds
))
4187 * Tell cfg80211 that the interface belongs to the socket that created
4188 * it, and the interface should be deleted when the socket is closed.
4190 if (nla_put_flag(msg
, NL80211_ATTR_IFACE_SOCKET_OWNER
))
4193 ret
= send_and_recv_msgs(drv
, msg
, handler
, arg
);
4198 wpa_printf(MSG_ERROR
, "Failed to create interface %s: %d (%s)",
4199 ifname
, ret
, strerror(-ret
));
4203 if (iftype
== NL80211_IFTYPE_P2P_DEVICE
)
4206 ifidx
= if_nametoindex(ifname
);
4207 wpa_printf(MSG_DEBUG
, "nl80211: New interface %s created: ifindex=%d",
4214 * Some virtual interfaces need to process EAPOL packets and events on
4215 * the parent interface. This is used mainly with hostapd.
4218 iftype
== NL80211_IFTYPE_AP_VLAN
||
4219 iftype
== NL80211_IFTYPE_WDS
||
4220 iftype
== NL80211_IFTYPE_MONITOR
) {
4221 /* start listening for EAPOL on this interface */
4222 add_ifidx(drv
, ifidx
, IFIDX_ANY
);
4225 if (addr
&& iftype
!= NL80211_IFTYPE_MONITOR
&&
4226 linux_set_ifhwaddr(drv
->global
->ioctl_sock
, ifname
, addr
)) {
4227 nl80211_remove_iface(drv
, ifidx
);
4235 int nl80211_create_iface(struct wpa_driver_nl80211_data
*drv
,
4236 const char *ifname
, enum nl80211_iftype iftype
,
4237 const u8
*addr
, int wds
,
4238 int (*handler
)(struct nl_msg
*, void *),
4239 void *arg
, int use_existing
)
4243 ret
= nl80211_create_iface_once(drv
, ifname
, iftype
, addr
, wds
, handler
,
4246 /* if error occurred and interface exists already */
4247 if (ret
== -ENFILE
&& if_nametoindex(ifname
)) {
4249 wpa_printf(MSG_DEBUG
, "nl80211: Continue using existing interface %s",
4251 if (addr
&& iftype
!= NL80211_IFTYPE_MONITOR
&&
4252 linux_set_ifhwaddr(drv
->global
->ioctl_sock
, ifname
,
4254 (linux_set_iface_flags(drv
->global
->ioctl_sock
,
4256 linux_set_ifhwaddr(drv
->global
->ioctl_sock
, ifname
,
4258 linux_set_iface_flags(drv
->global
->ioctl_sock
,
4263 wpa_printf(MSG_INFO
, "Try to remove and re-create %s", ifname
);
4265 /* Try to remove the interface that was already there. */
4266 nl80211_remove_iface(drv
, if_nametoindex(ifname
));
4268 /* Try to create the interface again */
4269 ret
= nl80211_create_iface_once(drv
, ifname
, iftype
, addr
,
4273 if (ret
>= 0 && is_p2p_net_interface(iftype
)) {
4274 wpa_printf(MSG_DEBUG
,
4275 "nl80211: Interface %s created for P2P - disable 11b rates",
4277 nl80211_disable_11b_rates(drv
, ret
, 1);
4284 static int nl80211_setup_ap(struct i802_bss
*bss
)
4286 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4288 wpa_printf(MSG_DEBUG
, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4289 bss
->ifname
, drv
->device_ap_sme
, drv
->use_monitor
);
4292 * Disable Probe Request reporting unless we need it in this way for
4293 * devices that include the AP SME, in the other case (unless using
4294 * monitor iface) we'll get it through the nl_mgmt socket instead.
4296 if (!drv
->device_ap_sme
)
4297 wpa_driver_nl80211_probe_req_report(bss
, 0);
4299 if (!drv
->device_ap_sme
&& !drv
->use_monitor
)
4300 if (nl80211_mgmt_subscribe_ap(bss
))
4303 if (drv
->device_ap_sme
&& !drv
->use_monitor
)
4304 if (nl80211_mgmt_subscribe_ap_dev_sme(bss
))
4307 if (!drv
->device_ap_sme
&& drv
->use_monitor
&&
4308 nl80211_create_monitor_interface(drv
) &&
4309 !drv
->device_ap_sme
)
4312 if (drv
->device_ap_sme
&&
4313 wpa_driver_nl80211_probe_req_report(bss
, 1) < 0) {
4314 wpa_printf(MSG_DEBUG
, "nl80211: Failed to enable "
4315 "Probe Request frame reporting in AP mode");
4316 /* Try to survive without this */
4323 static void nl80211_teardown_ap(struct i802_bss
*bss
)
4325 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4327 wpa_printf(MSG_DEBUG
, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4328 bss
->ifname
, drv
->device_ap_sme
, drv
->use_monitor
);
4329 if (drv
->device_ap_sme
) {
4330 wpa_driver_nl80211_probe_req_report(bss
, 0);
4331 if (!drv
->use_monitor
)
4332 nl80211_mgmt_unsubscribe(bss
, "AP teardown (dev SME)");
4333 } else if (drv
->use_monitor
)
4334 nl80211_remove_monitor_interface(drv
);
4336 nl80211_mgmt_unsubscribe(bss
, "AP teardown");
4338 bss
->beacon_set
= 0;
4342 static int nl80211_send_eapol_data(struct i802_bss
*bss
,
4343 const u8
*addr
, const u8
*data
,
4346 struct sockaddr_ll ll
;
4349 if (bss
->drv
->eapol_tx_sock
< 0) {
4350 wpa_printf(MSG_DEBUG
, "nl80211: No socket to send EAPOL");
4354 os_memset(&ll
, 0, sizeof(ll
));
4355 ll
.sll_family
= AF_PACKET
;
4356 ll
.sll_ifindex
= bss
->ifindex
;
4357 ll
.sll_protocol
= htons(ETH_P_PAE
);
4358 ll
.sll_halen
= ETH_ALEN
;
4359 os_memcpy(ll
.sll_addr
, addr
, ETH_ALEN
);
4360 ret
= sendto(bss
->drv
->eapol_tx_sock
, data
, data_len
, 0,
4361 (struct sockaddr
*) &ll
, sizeof(ll
));
4363 wpa_printf(MSG_ERROR
, "nl80211: EAPOL TX: %s",
4370 static const u8 rfc1042_header
[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4372 static int wpa_driver_nl80211_hapd_send_eapol(
4373 void *priv
, const u8
*addr
, const u8
*data
,
4374 size_t data_len
, int encrypt
, const u8
*own_addr
, u32 flags
)
4376 struct i802_bss
*bss
= priv
;
4377 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4378 struct ieee80211_hdr
*hdr
;
4382 int qos
= flags
& WPA_STA_WMM
;
4384 if (drv
->device_ap_sme
|| !drv
->use_monitor
)
4385 return nl80211_send_eapol_data(bss
, addr
, data
, data_len
);
4387 len
= sizeof(*hdr
) + (qos
? 2 : 0) + sizeof(rfc1042_header
) + 2 +
4389 hdr
= os_zalloc(len
);
4391 wpa_printf(MSG_INFO
, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4392 (unsigned long) len
);
4396 hdr
->frame_control
=
4397 IEEE80211_FC(WLAN_FC_TYPE_DATA
, WLAN_FC_STYPE_DATA
);
4398 hdr
->frame_control
|= host_to_le16(WLAN_FC_FROMDS
);
4400 hdr
->frame_control
|= host_to_le16(WLAN_FC_ISWEP
);
4402 hdr
->frame_control
|=
4403 host_to_le16(WLAN_FC_STYPE_QOS_DATA
<< 4);
4406 memcpy(hdr
->IEEE80211_DA_FROMDS
, addr
, ETH_ALEN
);
4407 memcpy(hdr
->IEEE80211_BSSID_FROMDS
, own_addr
, ETH_ALEN
);
4408 memcpy(hdr
->IEEE80211_SA_FROMDS
, own_addr
, ETH_ALEN
);
4409 pos
= (u8
*) (hdr
+ 1);
4412 /* Set highest priority in QoS header */
4418 memcpy(pos
, rfc1042_header
, sizeof(rfc1042_header
));
4419 pos
+= sizeof(rfc1042_header
);
4420 WPA_PUT_BE16(pos
, ETH_P_PAE
);
4422 memcpy(pos
, data
, data_len
);
4424 res
= wpa_driver_nl80211_send_frame(bss
, (u8
*) hdr
, len
, encrypt
, 0,
4425 0, 0, 0, 0, NULL
, 0);
4427 wpa_printf(MSG_ERROR
, "i802_send_eapol - packet len: %lu - "
4429 (unsigned long) len
, errno
, strerror(errno
));
4437 static int wpa_driver_nl80211_sta_set_flags(void *priv
, const u8
*addr
,
4438 unsigned int total_flags
,
4439 unsigned int flags_or
,
4440 unsigned int flags_and
)
4442 struct i802_bss
*bss
= priv
;
4444 struct nlattr
*flags
;
4445 struct nl80211_sta_flag_update upd
;
4447 wpa_printf(MSG_DEBUG
, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4448 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4449 bss
->ifname
, MAC2STR(addr
), total_flags
, flags_or
, flags_and
,
4450 !!(total_flags
& WPA_STA_AUTHORIZED
));
4452 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_STATION
)) ||
4453 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
4457 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4458 * can be removed eventually.
4460 flags
= nla_nest_start(msg
, NL80211_ATTR_STA_FLAGS
);
4462 ((total_flags
& WPA_STA_AUTHORIZED
) &&
4463 nla_put_flag(msg
, NL80211_STA_FLAG_AUTHORIZED
)) ||
4464 ((total_flags
& WPA_STA_WMM
) &&
4465 nla_put_flag(msg
, NL80211_STA_FLAG_WME
)) ||
4466 ((total_flags
& WPA_STA_SHORT_PREAMBLE
) &&
4467 nla_put_flag(msg
, NL80211_STA_FLAG_SHORT_PREAMBLE
)) ||
4468 ((total_flags
& WPA_STA_MFP
) &&
4469 nla_put_flag(msg
, NL80211_STA_FLAG_MFP
)) ||
4470 ((total_flags
& WPA_STA_TDLS_PEER
) &&
4471 nla_put_flag(msg
, NL80211_STA_FLAG_TDLS_PEER
)))
4474 nla_nest_end(msg
, flags
);
4476 os_memset(&upd
, 0, sizeof(upd
));
4477 upd
.mask
= sta_flags_nl80211(flags_or
| ~flags_and
);
4478 upd
.set
= sta_flags_nl80211(flags_or
);
4479 if (nla_put(msg
, NL80211_ATTR_STA_FLAGS2
, sizeof(upd
), &upd
))
4482 return send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
4489 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data
*drv
,
4490 struct wpa_driver_associate_params
*params
)
4492 enum nl80211_iftype nlmode
, old_mode
;
4495 wpa_printf(MSG_DEBUG
, "nl80211: Setup AP operations for P2P "
4497 nlmode
= NL80211_IFTYPE_P2P_GO
;
4499 nlmode
= NL80211_IFTYPE_AP
;
4501 old_mode
= drv
->nlmode
;
4502 if (wpa_driver_nl80211_set_mode(drv
->first_bss
, nlmode
)) {
4503 nl80211_remove_monitor_interface(drv
);
4507 if (params
->freq
.freq
&&
4508 nl80211_set_channel(drv
->first_bss
, ¶ms
->freq
, 0)) {
4509 if (old_mode
!= nlmode
)
4510 wpa_driver_nl80211_set_mode(drv
->first_bss
, old_mode
);
4511 nl80211_remove_monitor_interface(drv
);
4519 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data
*drv
,
4525 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_LEAVE_IBSS
);
4526 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
4528 wpa_printf(MSG_DEBUG
, "nl80211: Leave IBSS failed: ret=%d "
4529 "(%s)", ret
, strerror(-ret
));
4531 wpa_printf(MSG_DEBUG
,
4532 "nl80211: Leave IBSS request sent successfully");
4536 wpa_driver_nl80211_set_mode(drv
->first_bss
,
4537 NL80211_IFTYPE_STATION
)) {
4538 wpa_printf(MSG_INFO
, "nl80211: Failed to set interface into "
4546 static int nl80211_ht_vht_overrides(struct nl_msg
*msg
,
4547 struct wpa_driver_associate_params
*params
)
4549 if (params
->disable_ht
&& nla_put_flag(msg
, NL80211_ATTR_DISABLE_HT
))
4552 if (params
->htcaps
&& params
->htcaps_mask
) {
4553 int sz
= sizeof(struct ieee80211_ht_capabilities
);
4554 wpa_hexdump(MSG_DEBUG
, " * htcaps", params
->htcaps
, sz
);
4555 wpa_hexdump(MSG_DEBUG
, " * htcaps_mask",
4556 params
->htcaps_mask
, sz
);
4557 if (nla_put(msg
, NL80211_ATTR_HT_CAPABILITY
, sz
,
4559 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
, sz
,
4560 params
->htcaps_mask
))
4564 #ifdef CONFIG_VHT_OVERRIDES
4565 if (params
->disable_vht
) {
4566 wpa_printf(MSG_DEBUG
, " * VHT disabled");
4567 if (nla_put_flag(msg
, NL80211_ATTR_DISABLE_VHT
))
4571 if (params
->vhtcaps
&& params
->vhtcaps_mask
) {
4572 int sz
= sizeof(struct ieee80211_vht_capabilities
);
4573 wpa_hexdump(MSG_DEBUG
, " * vhtcaps", params
->vhtcaps
, sz
);
4574 wpa_hexdump(MSG_DEBUG
, " * vhtcaps_mask",
4575 params
->vhtcaps_mask
, sz
);
4576 if (nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY
, sz
,
4578 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
, sz
,
4579 params
->vhtcaps_mask
))
4582 #endif /* CONFIG_VHT_OVERRIDES */
4588 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data
*drv
,
4589 struct wpa_driver_associate_params
*params
)
4595 wpa_printf(MSG_DEBUG
, "nl80211: Join IBSS (ifindex=%d)", drv
->ifindex
);
4597 if (wpa_driver_nl80211_set_mode_ibss(drv
->first_bss
, ¶ms
->freq
)) {
4598 wpa_printf(MSG_INFO
, "nl80211: Failed to set interface into "
4604 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_JOIN_IBSS
)) ||
4605 params
->ssid
== NULL
|| params
->ssid_len
> sizeof(drv
->ssid
))
4608 wpa_hexdump_ascii(MSG_DEBUG
, " * SSID",
4609 params
->ssid
, params
->ssid_len
);
4610 if (nla_put(msg
, NL80211_ATTR_SSID
, params
->ssid_len
, params
->ssid
))
4612 os_memcpy(drv
->ssid
, params
->ssid
, params
->ssid_len
);
4613 drv
->ssid_len
= params
->ssid_len
;
4615 if (nl80211_put_freq_params(msg
, ¶ms
->freq
) < 0 ||
4616 nl80211_put_beacon_int(msg
, params
->beacon_int
))
4619 ret
= nl80211_set_conn_keys(params
, msg
);
4623 if (params
->bssid
&& params
->fixed_bssid
) {
4624 wpa_printf(MSG_DEBUG
, " * BSSID=" MACSTR
,
4625 MAC2STR(params
->bssid
));
4626 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, params
->bssid
))
4630 if (params
->fixed_freq
) {
4631 wpa_printf(MSG_DEBUG
, " * fixed_freq");
4632 if (nla_put_flag(msg
, NL80211_ATTR_FREQ_FIXED
))
4636 if (params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X
||
4637 params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK
||
4638 params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SHA256
||
4639 params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK_SHA256
) {
4640 wpa_printf(MSG_DEBUG
, " * control port");
4641 if (nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT
))
4645 if (params
->wpa_ie
) {
4646 wpa_hexdump(MSG_DEBUG
,
4647 " * Extra IEs for Beacon/Probe Response frames",
4648 params
->wpa_ie
, params
->wpa_ie_len
);
4649 if (nla_put(msg
, NL80211_ATTR_IE
, params
->wpa_ie_len
,
4654 ret
= nl80211_ht_vht_overrides(msg
, params
);
4658 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
4661 wpa_printf(MSG_DEBUG
, "nl80211: Join IBSS failed: ret=%d (%s)",
4662 ret
, strerror(-ret
));
4664 if (ret
== -EALREADY
&& count
== 1) {
4665 wpa_printf(MSG_DEBUG
, "nl80211: Retry IBSS join after "
4667 nl80211_leave_ibss(drv
, 0);
4672 wpa_printf(MSG_DEBUG
,
4673 "nl80211: Join IBSS request sent successfully");
4682 static int nl80211_connect_common(struct wpa_driver_nl80211_data
*drv
,
4683 struct wpa_driver_associate_params
*params
,
4686 if (params
->bssid
) {
4687 wpa_printf(MSG_DEBUG
, " * bssid=" MACSTR
,
4688 MAC2STR(params
->bssid
));
4689 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, params
->bssid
))
4693 if (params
->bssid_hint
) {
4694 wpa_printf(MSG_DEBUG
, " * bssid_hint=" MACSTR
,
4695 MAC2STR(params
->bssid_hint
));
4696 if (nla_put(msg
, NL80211_ATTR_MAC_HINT
, ETH_ALEN
,
4697 params
->bssid_hint
))
4701 if (params
->freq
.freq
) {
4702 wpa_printf(MSG_DEBUG
, " * freq=%d", params
->freq
.freq
);
4703 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
4706 drv
->assoc_freq
= params
->freq
.freq
;
4708 drv
->assoc_freq
= 0;
4710 if (params
->freq_hint
) {
4711 wpa_printf(MSG_DEBUG
, " * freq_hint=%d", params
->freq_hint
);
4712 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ_HINT
,
4717 if (params
->bg_scan_period
>= 0) {
4718 wpa_printf(MSG_DEBUG
, " * bg scan period=%d",
4719 params
->bg_scan_period
);
4720 if (nla_put_u16(msg
, NL80211_ATTR_BG_SCAN_PERIOD
,
4721 params
->bg_scan_period
))
4726 wpa_hexdump_ascii(MSG_DEBUG
, " * SSID",
4727 params
->ssid
, params
->ssid_len
);
4728 if (nla_put(msg
, NL80211_ATTR_SSID
, params
->ssid_len
,
4731 if (params
->ssid_len
> sizeof(drv
->ssid
))
4733 os_memcpy(drv
->ssid
, params
->ssid
, params
->ssid_len
);
4734 drv
->ssid_len
= params
->ssid_len
;
4737 wpa_hexdump(MSG_DEBUG
, " * IEs", params
->wpa_ie
, params
->wpa_ie_len
);
4738 if (params
->wpa_ie
&&
4739 nla_put(msg
, NL80211_ATTR_IE
, params
->wpa_ie_len
, params
->wpa_ie
))
4742 if (params
->wpa_proto
) {
4743 enum nl80211_wpa_versions ver
= 0;
4745 if (params
->wpa_proto
& WPA_PROTO_WPA
)
4746 ver
|= NL80211_WPA_VERSION_1
;
4747 if (params
->wpa_proto
& WPA_PROTO_RSN
)
4748 ver
|= NL80211_WPA_VERSION_2
;
4750 wpa_printf(MSG_DEBUG
, " * WPA Versions 0x%x", ver
);
4751 if (nla_put_u32(msg
, NL80211_ATTR_WPA_VERSIONS
, ver
))
4755 if (params
->pairwise_suite
!= WPA_CIPHER_NONE
) {
4756 u32 cipher
= wpa_cipher_to_cipher_suite(params
->pairwise_suite
);
4757 wpa_printf(MSG_DEBUG
, " * pairwise=0x%x", cipher
);
4758 if (nla_put_u32(msg
, NL80211_ATTR_CIPHER_SUITES_PAIRWISE
,
4763 if (params
->group_suite
== WPA_CIPHER_GTK_NOT_USED
&&
4764 !(drv
->capa
.enc
& WPA_DRIVER_CAPA_ENC_GTK_NOT_USED
)) {
4766 * This is likely to work even though many drivers do not
4767 * advertise support for operations without GTK.
4769 wpa_printf(MSG_DEBUG
, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4770 } else if (params
->group_suite
!= WPA_CIPHER_NONE
) {
4771 u32 cipher
= wpa_cipher_to_cipher_suite(params
->group_suite
);
4772 wpa_printf(MSG_DEBUG
, " * group=0x%x", cipher
);
4773 if (nla_put_u32(msg
, NL80211_ATTR_CIPHER_SUITE_GROUP
, cipher
))
4777 if (params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X
||
4778 params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK
||
4779 params
->key_mgmt_suite
== WPA_KEY_MGMT_FT_IEEE8021X
||
4780 params
->key_mgmt_suite
== WPA_KEY_MGMT_FT_PSK
||
4781 params
->key_mgmt_suite
== WPA_KEY_MGMT_CCKM
||
4782 params
->key_mgmt_suite
== WPA_KEY_MGMT_OSEN
||
4783 params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SHA256
||
4784 params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK_SHA256
||
4785 params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SUITE_B
||
4786 params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SUITE_B_192
) {
4787 int mgmt
= WLAN_AKM_SUITE_PSK
;
4789 switch (params
->key_mgmt_suite
) {
4790 case WPA_KEY_MGMT_CCKM
:
4791 mgmt
= WLAN_AKM_SUITE_CCKM
;
4793 case WPA_KEY_MGMT_IEEE8021X
:
4794 mgmt
= WLAN_AKM_SUITE_8021X
;
4796 case WPA_KEY_MGMT_FT_IEEE8021X
:
4797 mgmt
= WLAN_AKM_SUITE_FT_8021X
;
4799 case WPA_KEY_MGMT_FT_PSK
:
4800 mgmt
= WLAN_AKM_SUITE_FT_PSK
;
4802 case WPA_KEY_MGMT_IEEE8021X_SHA256
:
4803 mgmt
= WLAN_AKM_SUITE_8021X_SHA256
;
4805 case WPA_KEY_MGMT_PSK_SHA256
:
4806 mgmt
= WLAN_AKM_SUITE_PSK_SHA256
;
4808 case WPA_KEY_MGMT_OSEN
:
4809 mgmt
= WLAN_AKM_SUITE_OSEN
;
4811 case WPA_KEY_MGMT_IEEE8021X_SUITE_B
:
4812 mgmt
= WLAN_AKM_SUITE_8021X_SUITE_B
;
4814 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192
:
4815 mgmt
= WLAN_AKM_SUITE_8021X_SUITE_B_192
;
4817 case WPA_KEY_MGMT_PSK
:
4819 mgmt
= WLAN_AKM_SUITE_PSK
;
4822 wpa_printf(MSG_DEBUG
, " * akm=0x%x", mgmt
);
4823 if (nla_put_u32(msg
, NL80211_ATTR_AKM_SUITES
, mgmt
))
4827 if (nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT
))
4830 if (params
->mgmt_frame_protection
== MGMT_FRAME_PROTECTION_REQUIRED
&&
4831 nla_put_u32(msg
, NL80211_ATTR_USE_MFP
, NL80211_MFP_REQUIRED
))
4834 if (params
->rrm_used
) {
4835 u32 drv_rrm_flags
= drv
->capa
.rrm_flags
;
4836 if ((!((drv_rrm_flags
&
4837 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES
) &&
4838 (drv_rrm_flags
& WPA_DRIVER_FLAGS_QUIET
)) &&
4839 !(drv_rrm_flags
& WPA_DRIVER_FLAGS_SUPPORT_RRM
)) ||
4840 nla_put_flag(msg
, NL80211_ATTR_USE_RRM
))
4844 if (nl80211_ht_vht_overrides(msg
, params
) < 0)
4848 wpa_printf(MSG_DEBUG
, " * P2P group");
4851 wpa_printf(MSG_DEBUG
, " * PBSS");
4852 if (nla_put_flag(msg
, NL80211_ATTR_PBSS
))
4856 drv
->connect_reassoc
= 0;
4857 if (params
->prev_bssid
) {
4858 wpa_printf(MSG_DEBUG
, " * prev_bssid=" MACSTR
,
4859 MAC2STR(params
->prev_bssid
));
4860 if (nla_put(msg
, NL80211_ATTR_PREV_BSSID
, ETH_ALEN
,
4861 params
->prev_bssid
))
4863 drv
->connect_reassoc
= 1;
4870 static int wpa_driver_nl80211_try_connect(
4871 struct wpa_driver_nl80211_data
*drv
,
4872 struct wpa_driver_associate_params
*params
)
4875 enum nl80211_auth_type type
;
4879 #ifdef CONFIG_DRIVER_NL80211_QCA
4880 if (params
->req_key_mgmt_offload
&& params
->psk
&&
4881 (params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK
||
4882 params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK_SHA256
||
4883 params
->key_mgmt_suite
== WPA_KEY_MGMT_FT_PSK
)) {
4884 wpa_printf(MSG_DEBUG
, "nl80211: Key management set PSK");
4885 ret
= issue_key_mgmt_set_key(drv
, params
->psk
, 32);
4889 #endif /* CONFIG_DRIVER_NL80211_QCA */
4891 wpa_printf(MSG_DEBUG
, "nl80211: Connect (ifindex=%d)", drv
->ifindex
);
4892 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_CONNECT
);
4896 ret
= nl80211_connect_common(drv
, params
, msg
);
4901 if (params
->auth_alg
& WPA_AUTH_ALG_OPEN
)
4903 if (params
->auth_alg
& WPA_AUTH_ALG_SHARED
)
4905 if (params
->auth_alg
& WPA_AUTH_ALG_LEAP
)
4908 wpa_printf(MSG_DEBUG
, " * Leave out Auth Type for automatic "
4910 goto skip_auth_type
;
4913 if (params
->auth_alg
& WPA_AUTH_ALG_OPEN
)
4914 type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
4915 else if (params
->auth_alg
& WPA_AUTH_ALG_SHARED
)
4916 type
= NL80211_AUTHTYPE_SHARED_KEY
;
4917 else if (params
->auth_alg
& WPA_AUTH_ALG_LEAP
)
4918 type
= NL80211_AUTHTYPE_NETWORK_EAP
;
4919 else if (params
->auth_alg
& WPA_AUTH_ALG_FT
)
4920 type
= NL80211_AUTHTYPE_FT
;
4924 wpa_printf(MSG_DEBUG
, " * Auth Type %d", type
);
4925 if (nla_put_u32(msg
, NL80211_ATTR_AUTH_TYPE
, type
))
4929 ret
= nl80211_set_conn_keys(params
, msg
);
4933 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
4936 wpa_printf(MSG_DEBUG
, "nl80211: MLME connect failed: ret=%d "
4937 "(%s)", ret
, strerror(-ret
));
4939 wpa_printf(MSG_DEBUG
,
4940 "nl80211: Connect request send successfully");
4950 static int wpa_driver_nl80211_connect(
4951 struct wpa_driver_nl80211_data
*drv
,
4952 struct wpa_driver_associate_params
*params
)
4956 /* Store the connection attempted bssid for future use */
4958 os_memcpy(drv
->auth_attempt_bssid
, params
->bssid
, ETH_ALEN
);
4960 os_memset(drv
->auth_attempt_bssid
, 0, ETH_ALEN
);
4962 ret
= wpa_driver_nl80211_try_connect(drv
, params
);
4963 if (ret
== -EALREADY
) {
4965 * cfg80211 does not currently accept new connections if
4966 * we are already connected. As a workaround, force
4967 * disconnection and try again.
4969 wpa_printf(MSG_DEBUG
, "nl80211: Explicitly "
4970 "disconnecting before reassociation "
4972 if (wpa_driver_nl80211_disconnect(
4973 drv
, WLAN_REASON_PREV_AUTH_NOT_VALID
))
4975 ret
= wpa_driver_nl80211_try_connect(drv
, params
);
4981 static int wpa_driver_nl80211_associate(
4982 void *priv
, struct wpa_driver_associate_params
*params
)
4984 struct i802_bss
*bss
= priv
;
4985 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4989 nl80211_unmask_11b_rates(bss
);
4991 if (params
->mode
== IEEE80211_MODE_AP
)
4992 return wpa_driver_nl80211_ap(drv
, params
);
4994 if (params
->mode
== IEEE80211_MODE_IBSS
)
4995 return wpa_driver_nl80211_ibss(drv
, params
);
4997 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_SME
)) {
4998 enum nl80211_iftype nlmode
= params
->p2p
?
4999 NL80211_IFTYPE_P2P_CLIENT
: NL80211_IFTYPE_STATION
;
5001 if (wpa_driver_nl80211_set_mode(priv
, nlmode
) < 0)
5003 return wpa_driver_nl80211_connect(drv
, params
);
5006 nl80211_mark_disconnected(drv
);
5008 wpa_printf(MSG_DEBUG
, "nl80211: Associate (ifindex=%d)",
5010 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_ASSOCIATE
);
5014 ret
= nl80211_connect_common(drv
, params
, msg
);
5018 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5021 wpa_dbg(drv
->ctx
, MSG_DEBUG
,
5022 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5023 ret
, strerror(-ret
));
5024 nl80211_dump_scan(drv
);
5026 wpa_printf(MSG_DEBUG
,
5027 "nl80211: Association request send successfully");
5036 static int nl80211_set_mode(struct wpa_driver_nl80211_data
*drv
,
5037 int ifindex
, enum nl80211_iftype mode
)
5042 wpa_printf(MSG_DEBUG
, "nl80211: Set mode ifindex %d iftype %d (%s)",
5043 ifindex
, mode
, nl80211_iftype_str(mode
));
5045 msg
= nl80211_cmd_msg(drv
->first_bss
, 0, NL80211_CMD_SET_INTERFACE
);
5046 if (!msg
|| nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, mode
))
5049 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5055 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set interface %d to mode %d:"
5056 " %d (%s)", ifindex
, mode
, ret
, strerror(-ret
));
5061 static int wpa_driver_nl80211_set_mode_impl(
5062 struct i802_bss
*bss
,
5063 enum nl80211_iftype nlmode
,
5064 struct hostapd_freq_params
*desired_freq_params
)
5066 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5069 int was_ap
= is_ap_interface(drv
->nlmode
);
5071 int mode_switch_res
;
5073 mode_switch_res
= nl80211_set_mode(drv
, drv
->ifindex
, nlmode
);
5074 if (mode_switch_res
&& nlmode
== nl80211_get_ifmode(bss
))
5075 mode_switch_res
= 0;
5077 if (mode_switch_res
== 0) {
5078 drv
->nlmode
= nlmode
;
5083 if (mode_switch_res
== -ENODEV
)
5086 if (nlmode
== drv
->nlmode
) {
5087 wpa_printf(MSG_DEBUG
, "nl80211: Interface already in "
5088 "requested mode - ignore error");
5090 goto done
; /* Already in the requested mode */
5093 /* mac80211 doesn't allow mode changes while the device is up, so
5094 * take the device down, try to set the mode again, and bring the
5097 wpa_printf(MSG_DEBUG
, "nl80211: Try mode change after setting "
5099 for (i
= 0; i
< 10; i
++) {
5100 res
= i802_set_iface_flags(bss
, 0);
5101 if (res
== -EACCES
|| res
== -ENODEV
)
5104 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set "
5106 os_sleep(0, 100000);
5111 * Setting the mode will fail for some drivers if the phy is
5112 * on a frequency that the mode is disallowed in.
5114 if (desired_freq_params
) {
5115 res
= nl80211_set_channel(bss
, desired_freq_params
, 0);
5117 wpa_printf(MSG_DEBUG
,
5118 "nl80211: Failed to set frequency on interface");
5122 /* Try to set the mode again while the interface is down */
5123 mode_switch_res
= nl80211_set_mode(drv
, drv
->ifindex
, nlmode
);
5124 if (mode_switch_res
== -EBUSY
) {
5125 wpa_printf(MSG_DEBUG
,
5126 "nl80211: Delaying mode set while interface going down");
5127 os_sleep(0, 100000);
5130 ret
= mode_switch_res
;
5135 wpa_printf(MSG_DEBUG
, "nl80211: Mode change succeeded while "
5136 "interface is down");
5137 drv
->nlmode
= nlmode
;
5138 drv
->ignore_if_down_event
= 1;
5141 /* Bring the interface back up */
5142 res
= linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
, 1);
5144 wpa_printf(MSG_DEBUG
,
5145 "nl80211: Failed to set interface up after switching mode");
5151 wpa_printf(MSG_DEBUG
, "nl80211: Interface mode change to %d "
5152 "from %d failed", nlmode
, drv
->nlmode
);
5156 if (is_p2p_net_interface(nlmode
)) {
5157 wpa_printf(MSG_DEBUG
,
5158 "nl80211: Interface %s mode change to P2P - disable 11b rates",
5160 nl80211_disable_11b_rates(drv
, drv
->ifindex
, 1);
5161 } else if (drv
->disabled_11b_rates
) {
5162 wpa_printf(MSG_DEBUG
,
5163 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
5165 nl80211_disable_11b_rates(drv
, drv
->ifindex
, 0);
5168 if (is_ap_interface(nlmode
)) {
5169 nl80211_mgmt_unsubscribe(bss
, "start AP");
5170 /* Setup additional AP mode functionality if needed */
5171 if (nl80211_setup_ap(bss
))
5173 } else if (was_ap
) {
5174 /* Remove additional AP mode functionality */
5175 nl80211_teardown_ap(bss
);
5177 nl80211_mgmt_unsubscribe(bss
, "mode change");
5180 if (is_mesh_interface(nlmode
) &&
5181 nl80211_mgmt_subscribe_mesh(bss
))
5184 if (!bss
->in_deinit
&& !is_ap_interface(nlmode
) &&
5185 !is_mesh_interface(nlmode
) &&
5186 nl80211_mgmt_subscribe_non_ap(bss
) < 0)
5187 wpa_printf(MSG_DEBUG
, "nl80211: Failed to register Action "
5188 "frame processing - ignore for now");
5194 int wpa_driver_nl80211_set_mode(struct i802_bss
*bss
,
5195 enum nl80211_iftype nlmode
)
5197 return wpa_driver_nl80211_set_mode_impl(bss
, nlmode
, NULL
);
5201 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss
*bss
,
5202 struct hostapd_freq_params
*freq
)
5204 return wpa_driver_nl80211_set_mode_impl(bss
, NL80211_IFTYPE_ADHOC
,
5209 static int wpa_driver_nl80211_get_capa(void *priv
,
5210 struct wpa_driver_capa
*capa
)
5212 struct i802_bss
*bss
= priv
;
5213 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5215 if (!drv
->has_capability
)
5217 os_memcpy(capa
, &drv
->capa
, sizeof(*capa
));
5218 if (drv
->extended_capa
&& drv
->extended_capa_mask
) {
5219 capa
->extended_capa
= drv
->extended_capa
;
5220 capa
->extended_capa_mask
= drv
->extended_capa_mask
;
5221 capa
->extended_capa_len
= drv
->extended_capa_len
;
5228 static int wpa_driver_nl80211_set_operstate(void *priv
, int state
)
5230 struct i802_bss
*bss
= priv
;
5231 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5233 wpa_printf(MSG_DEBUG
, "nl80211: Set %s operstate %d->%d (%s)",
5234 bss
->ifname
, drv
->operstate
, state
,
5235 state
? "UP" : "DORMANT");
5236 drv
->operstate
= state
;
5237 return netlink_send_oper_ifla(drv
->global
->netlink
, drv
->ifindex
, -1,
5238 state
? IF_OPER_UP
: IF_OPER_DORMANT
);
5242 static int wpa_driver_nl80211_set_supp_port(void *priv
, int authorized
)
5244 struct i802_bss
*bss
= priv
;
5245 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5247 struct nl80211_sta_flag_update upd
;
5250 if (!drv
->associated
&& is_zero_ether_addr(drv
->bssid
) && !authorized
) {
5251 wpa_printf(MSG_DEBUG
, "nl80211: Skip set_supp_port(unauthorized) while not associated");
5255 wpa_printf(MSG_DEBUG
, "nl80211: Set supplicant port %sauthorized for "
5256 MACSTR
, authorized
? "" : "un", MAC2STR(drv
->bssid
));
5258 os_memset(&upd
, 0, sizeof(upd
));
5259 upd
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
);
5261 upd
.set
= BIT(NL80211_STA_FLAG_AUTHORIZED
);
5263 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_STATION
)) ||
5264 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, drv
->bssid
) ||
5265 nla_put(msg
, NL80211_ATTR_STA_FLAGS2
, sizeof(upd
), &upd
)) {
5270 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5273 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set STA flag: %d (%s)",
5274 ret
, strerror(-ret
));
5279 /* Set kernel driver on given frequency (MHz) */
5280 static int i802_set_freq(void *priv
, struct hostapd_freq_params
*freq
)
5282 struct i802_bss
*bss
= priv
;
5283 return nl80211_set_channel(bss
, freq
, 0);
5287 static inline int min_int(int a
, int b
)
5295 static int get_key_handler(struct nl_msg
*msg
, void *arg
)
5297 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
5298 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
5300 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
5301 genlmsg_attrlen(gnlh
, 0), NULL
);
5304 * TODO: validate the key index and mac address!
5305 * Otherwise, there's a race condition as soon as
5306 * the kernel starts sending key notifications.
5309 if (tb
[NL80211_ATTR_KEY_SEQ
])
5310 memcpy(arg
, nla_data(tb
[NL80211_ATTR_KEY_SEQ
]),
5311 min_int(nla_len(tb
[NL80211_ATTR_KEY_SEQ
]), 6));
5316 static int i802_get_seqnum(const char *iface
, void *priv
, const u8
*addr
,
5319 struct i802_bss
*bss
= priv
;
5320 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5323 msg
= nl80211_ifindex_msg(drv
, if_nametoindex(iface
), 0,
5324 NL80211_CMD_GET_KEY
);
5326 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
5327 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, idx
)) {
5334 return send_and_recv_msgs(drv
, msg
, get_key_handler
, seq
);
5338 static int i802_set_rts(void *priv
, int rts
)
5340 struct i802_bss
*bss
= priv
;
5341 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5351 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_SET_WIPHY
)) ||
5352 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
, val
)) {
5357 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5360 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set RTS threshold %d: "
5361 "%d (%s)", rts
, ret
, strerror(-ret
));
5366 static int i802_set_frag(void *priv
, int frag
)
5368 struct i802_bss
*bss
= priv
;
5369 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5379 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_SET_WIPHY
)) ||
5380 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
, val
)) {
5385 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5388 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set fragmentation threshold "
5389 "%d: %d (%s)", frag
, ret
, strerror(-ret
));
5394 static int i802_flush(void *priv
)
5396 struct i802_bss
*bss
= priv
;
5400 wpa_printf(MSG_DEBUG
, "nl80211: flush -> DEL_STATION %s (all)",
5404 * XXX: FIX! this needs to flush all VLANs too
5406 msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_DEL_STATION
);
5407 res
= send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
5409 wpa_printf(MSG_DEBUG
, "nl80211: Station flush failed: ret=%d "
5410 "(%s)", res
, strerror(-res
));
5416 static int get_sta_handler(struct nl_msg
*msg
, void *arg
)
5418 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
5419 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
5420 struct hostap_sta_driver_data
*data
= arg
;
5421 struct nlattr
*stats
[NL80211_STA_INFO_MAX
+ 1];
5422 static struct nla_policy stats_policy
[NL80211_STA_INFO_MAX
+ 1] = {
5423 [NL80211_STA_INFO_INACTIVE_TIME
] = { .type
= NLA_U32
},
5424 [NL80211_STA_INFO_RX_BYTES
] = { .type
= NLA_U32
},
5425 [NL80211_STA_INFO_TX_BYTES
] = { .type
= NLA_U32
},
5426 [NL80211_STA_INFO_RX_PACKETS
] = { .type
= NLA_U32
},
5427 [NL80211_STA_INFO_TX_PACKETS
] = { .type
= NLA_U32
},
5428 [NL80211_STA_INFO_TX_FAILED
] = { .type
= NLA_U32
},
5429 [NL80211_STA_INFO_RX_BYTES64
] = { .type
= NLA_U64
},
5430 [NL80211_STA_INFO_TX_BYTES64
] = { .type
= NLA_U64
},
5433 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
5434 genlmsg_attrlen(gnlh
, 0), NULL
);
5437 * TODO: validate the interface and mac address!
5438 * Otherwise, there's a race condition as soon as
5439 * the kernel starts sending station notifications.
5442 if (!tb
[NL80211_ATTR_STA_INFO
]) {
5443 wpa_printf(MSG_DEBUG
, "sta stats missing!");
5446 if (nla_parse_nested(stats
, NL80211_STA_INFO_MAX
,
5447 tb
[NL80211_ATTR_STA_INFO
],
5449 wpa_printf(MSG_DEBUG
, "failed to parse nested attributes!");
5453 if (stats
[NL80211_STA_INFO_INACTIVE_TIME
])
5454 data
->inactive_msec
=
5455 nla_get_u32(stats
[NL80211_STA_INFO_INACTIVE_TIME
]);
5456 /* For backwards compatibility, fetch the 32-bit counters first. */
5457 if (stats
[NL80211_STA_INFO_RX_BYTES
])
5458 data
->rx_bytes
= nla_get_u32(stats
[NL80211_STA_INFO_RX_BYTES
]);
5459 if (stats
[NL80211_STA_INFO_TX_BYTES
])
5460 data
->tx_bytes
= nla_get_u32(stats
[NL80211_STA_INFO_TX_BYTES
]);
5461 if (stats
[NL80211_STA_INFO_RX_BYTES64
] &&
5462 stats
[NL80211_STA_INFO_TX_BYTES64
]) {
5464 * The driver supports 64-bit counters, so use them to override
5465 * the 32-bit values.
5468 nla_get_u64(stats
[NL80211_STA_INFO_RX_BYTES64
]);
5470 nla_get_u64(stats
[NL80211_STA_INFO_TX_BYTES64
]);
5471 data
->bytes_64bit
= 1;
5473 if (stats
[NL80211_STA_INFO_RX_PACKETS
])
5475 nla_get_u32(stats
[NL80211_STA_INFO_RX_PACKETS
]);
5476 if (stats
[NL80211_STA_INFO_TX_PACKETS
])
5478 nla_get_u32(stats
[NL80211_STA_INFO_TX_PACKETS
]);
5479 if (stats
[NL80211_STA_INFO_TX_FAILED
])
5480 data
->tx_retry_failed
=
5481 nla_get_u32(stats
[NL80211_STA_INFO_TX_FAILED
]);
5486 static int i802_read_sta_data(struct i802_bss
*bss
,
5487 struct hostap_sta_driver_data
*data
,
5492 os_memset(data
, 0, sizeof(*data
));
5494 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_GET_STATION
)) ||
5495 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) {
5500 return send_and_recv_msgs(bss
->drv
, msg
, get_sta_handler
, data
);
5504 static int i802_set_tx_queue_params(void *priv
, int queue
, int aifs
,
5505 int cw_min
, int cw_max
, int burst_time
)
5507 struct i802_bss
*bss
= priv
;
5508 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5510 struct nlattr
*txq
, *params
;
5512 msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_WIPHY
);
5516 txq
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_TXQ_PARAMS
);
5520 /* We are only sending parameters for a single TXQ at a time */
5521 params
= nla_nest_start(msg
, 1);
5527 if (nla_put_u8(msg
, NL80211_TXQ_ATTR_QUEUE
, NL80211_TXQ_Q_VO
))
5531 if (nla_put_u8(msg
, NL80211_TXQ_ATTR_QUEUE
, NL80211_TXQ_Q_VI
))
5535 if (nla_put_u8(msg
, NL80211_TXQ_ATTR_QUEUE
, NL80211_TXQ_Q_BE
))
5539 if (nla_put_u8(msg
, NL80211_TXQ_ATTR_QUEUE
, NL80211_TXQ_Q_BK
))
5543 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5544 * 32 usec, so need to convert the value here. */
5545 if (nla_put_u16(msg
, NL80211_TXQ_ATTR_TXOP
,
5546 (burst_time
* 100 + 16) / 32) ||
5547 nla_put_u16(msg
, NL80211_TXQ_ATTR_CWMIN
, cw_min
) ||
5548 nla_put_u16(msg
, NL80211_TXQ_ATTR_CWMAX
, cw_max
) ||
5549 nla_put_u8(msg
, NL80211_TXQ_ATTR_AIFS
, aifs
))
5552 nla_nest_end(msg
, params
);
5554 nla_nest_end(msg
, txq
);
5556 if (send_and_recv_msgs(drv
, msg
, NULL
, NULL
) == 0)
5565 static int i802_set_sta_vlan(struct i802_bss
*bss
, const u8
*addr
,
5566 const char *ifname
, int vlan_id
)
5568 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5572 wpa_printf(MSG_DEBUG
, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5573 ", ifname=%s[%d], vlan_id=%d)",
5574 bss
->ifname
, if_nametoindex(bss
->ifname
),
5575 MAC2STR(addr
), ifname
, if_nametoindex(ifname
), vlan_id
);
5576 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_STATION
)) ||
5577 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
5578 nla_put_u32(msg
, NL80211_ATTR_STA_VLAN
, if_nametoindex(ifname
))) {
5583 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5585 wpa_printf(MSG_ERROR
, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5586 MACSTR
" ifname=%s vlan_id=%d) failed: %d (%s)",
5587 MAC2STR(addr
), ifname
, vlan_id
, ret
,
5594 static int i802_get_inact_sec(void *priv
, const u8
*addr
)
5596 struct hostap_sta_driver_data data
;
5599 data
.inactive_msec
= (unsigned long) -1;
5600 ret
= i802_read_sta_data(priv
, &data
, addr
);
5603 if (ret
|| data
.inactive_msec
== (unsigned long) -1)
5605 return data
.inactive_msec
/ 1000;
5609 static int i802_sta_clear_stats(void *priv
, const u8
*addr
)
5618 static int i802_sta_deauth(void *priv
, const u8
*own_addr
, const u8
*addr
,
5621 struct i802_bss
*bss
= priv
;
5622 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5623 struct ieee80211_mgmt mgmt
;
5625 if (is_mesh_interface(drv
->nlmode
))
5628 if (drv
->device_ap_sme
)
5629 return wpa_driver_nl80211_sta_remove(bss
, addr
, 1, reason
);
5631 memset(&mgmt
, 0, sizeof(mgmt
));
5632 mgmt
.frame_control
= IEEE80211_FC(WLAN_FC_TYPE_MGMT
,
5633 WLAN_FC_STYPE_DEAUTH
);
5634 memcpy(mgmt
.da
, addr
, ETH_ALEN
);
5635 memcpy(mgmt
.sa
, own_addr
, ETH_ALEN
);
5636 memcpy(mgmt
.bssid
, own_addr
, ETH_ALEN
);
5637 mgmt
.u
.deauth
.reason_code
= host_to_le16(reason
);
5638 return wpa_driver_nl80211_send_mlme(bss
, (u8
*) &mgmt
,
5640 sizeof(mgmt
.u
.deauth
), 0, 0, 0, 0,
5645 static int i802_sta_disassoc(void *priv
, const u8
*own_addr
, const u8
*addr
,
5648 struct i802_bss
*bss
= priv
;
5649 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5650 struct ieee80211_mgmt mgmt
;
5652 if (is_mesh_interface(drv
->nlmode
))
5655 if (drv
->device_ap_sme
)
5656 return wpa_driver_nl80211_sta_remove(bss
, addr
, 0, reason
);
5658 memset(&mgmt
, 0, sizeof(mgmt
));
5659 mgmt
.frame_control
= IEEE80211_FC(WLAN_FC_TYPE_MGMT
,
5660 WLAN_FC_STYPE_DISASSOC
);
5661 memcpy(mgmt
.da
, addr
, ETH_ALEN
);
5662 memcpy(mgmt
.sa
, own_addr
, ETH_ALEN
);
5663 memcpy(mgmt
.bssid
, own_addr
, ETH_ALEN
);
5664 mgmt
.u
.disassoc
.reason_code
= host_to_le16(reason
);
5665 return wpa_driver_nl80211_send_mlme(bss
, (u8
*) &mgmt
,
5667 sizeof(mgmt
.u
.disassoc
), 0, 0, 0, 0,
5672 static void dump_ifidx(struct wpa_driver_nl80211_data
*drv
)
5674 char buf
[200], *pos
, *end
;
5678 end
= pos
+ sizeof(buf
);
5680 for (i
= 0; i
< drv
->num_if_indices
; i
++) {
5681 if (!drv
->if_indices
[i
])
5683 res
= os_snprintf(pos
, end
- pos
, " %d(%d)",
5685 drv
->if_indices_reason
[i
]);
5686 if (os_snprintf_error(end
- pos
, res
))
5692 wpa_printf(MSG_DEBUG
, "nl80211: if_indices[%d]:%s",
5693 drv
->num_if_indices
, buf
);
5697 static void add_ifidx(struct wpa_driver_nl80211_data
*drv
, int ifidx
,
5701 int *old
, *old_reason
;
5703 wpa_printf(MSG_DEBUG
,
5704 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
5705 ifidx
, ifidx_reason
);
5706 if (have_ifidx(drv
, ifidx
, ifidx_reason
)) {
5707 wpa_printf(MSG_DEBUG
, "nl80211: ifindex %d already in the list",
5711 for (i
= 0; i
< drv
->num_if_indices
; i
++) {
5712 if (drv
->if_indices
[i
] == 0) {
5713 drv
->if_indices
[i
] = ifidx
;
5714 drv
->if_indices_reason
[i
] = ifidx_reason
;
5720 if (drv
->if_indices
!= drv
->default_if_indices
)
5721 old
= drv
->if_indices
;
5725 if (drv
->if_indices_reason
!= drv
->default_if_indices_reason
)
5726 old_reason
= drv
->if_indices_reason
;
5730 drv
->if_indices
= os_realloc_array(old
, drv
->num_if_indices
+ 1,
5732 drv
->if_indices_reason
= os_realloc_array(old_reason
,
5733 drv
->num_if_indices
+ 1,
5735 if (!drv
->if_indices
) {
5737 drv
->if_indices
= drv
->default_if_indices
;
5739 drv
->if_indices
= old
;
5741 if (!drv
->if_indices_reason
) {
5743 drv
->if_indices_reason
= drv
->default_if_indices_reason
;
5745 drv
->if_indices_reason
= old_reason
;
5747 if (!drv
->if_indices
|| !drv
->if_indices_reason
) {
5748 wpa_printf(MSG_ERROR
, "Failed to reallocate memory for "
5750 wpa_printf(MSG_ERROR
, "Ignoring EAPOL on interface %d", ifidx
);
5754 os_memcpy(drv
->if_indices
, drv
->default_if_indices
,
5755 sizeof(drv
->default_if_indices
));
5757 os_memcpy(drv
->if_indices_reason
,
5758 drv
->default_if_indices_reason
,
5759 sizeof(drv
->default_if_indices_reason
));
5760 drv
->if_indices
[drv
->num_if_indices
] = ifidx
;
5761 drv
->if_indices_reason
[drv
->num_if_indices
] = ifidx_reason
;
5762 drv
->num_if_indices
++;
5767 static void del_ifidx(struct wpa_driver_nl80211_data
*drv
, int ifidx
,
5772 for (i
= 0; i
< drv
->num_if_indices
; i
++) {
5773 if ((drv
->if_indices
[i
] == ifidx
|| ifidx
== IFIDX_ANY
) &&
5774 (drv
->if_indices_reason
[i
] == ifidx_reason
||
5775 ifidx_reason
== IFIDX_ANY
)) {
5776 drv
->if_indices
[i
] = 0;
5784 static int have_ifidx(struct wpa_driver_nl80211_data
*drv
, int ifidx
,
5789 for (i
= 0; i
< drv
->num_if_indices
; i
++)
5790 if (drv
->if_indices
[i
] == ifidx
&&
5791 (drv
->if_indices_reason
[i
] == ifidx_reason
||
5792 ifidx_reason
== IFIDX_ANY
))
5799 static int i802_set_wds_sta(void *priv
, const u8
*addr
, int aid
, int val
,
5800 const char *bridge_ifname
, char *ifname_wds
)
5802 struct i802_bss
*bss
= priv
;
5803 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5804 char name
[IFNAMSIZ
+ 1];
5806 os_snprintf(name
, sizeof(name
), "%s.sta%d", bss
->ifname
, aid
);
5808 os_strlcpy(ifname_wds
, name
, IFNAMSIZ
+ 1);
5810 wpa_printf(MSG_DEBUG
, "nl80211: Set WDS STA addr=" MACSTR
5811 " aid=%d val=%d name=%s", MAC2STR(addr
), aid
, val
, name
);
5813 if (!if_nametoindex(name
)) {
5814 if (nl80211_create_iface(drv
, name
,
5815 NL80211_IFTYPE_AP_VLAN
,
5816 bss
->addr
, 1, NULL
, NULL
, 0) <
5819 if (bridge_ifname
&&
5820 linux_br_add_if(drv
->global
->ioctl_sock
,
5821 bridge_ifname
, name
) < 0)
5824 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, name
, 1)) {
5825 wpa_printf(MSG_ERROR
, "nl80211: Failed to set WDS STA "
5826 "interface %s up", name
);
5828 return i802_set_sta_vlan(priv
, addr
, name
, 0);
5831 linux_br_del_if(drv
->global
->ioctl_sock
, bridge_ifname
,
5834 i802_set_sta_vlan(priv
, addr
, bss
->ifname
, 0);
5835 nl80211_remove_iface(drv
, if_nametoindex(name
));
5841 static void handle_eapol(int sock
, void *eloop_ctx
, void *sock_ctx
)
5843 struct wpa_driver_nl80211_data
*drv
= eloop_ctx
;
5844 struct sockaddr_ll lladdr
;
5845 unsigned char buf
[3000];
5847 socklen_t fromlen
= sizeof(lladdr
);
5849 len
= recvfrom(sock
, buf
, sizeof(buf
), 0,
5850 (struct sockaddr
*)&lladdr
, &fromlen
);
5852 wpa_printf(MSG_ERROR
, "nl80211: EAPOL recv failed: %s",
5857 if (have_ifidx(drv
, lladdr
.sll_ifindex
, IFIDX_ANY
))
5858 drv_event_eapol_rx(drv
->ctx
, lladdr
.sll_addr
, buf
, len
);
5862 static int i802_check_bridge(struct wpa_driver_nl80211_data
*drv
,
5863 struct i802_bss
*bss
,
5864 const char *brname
, const char *ifname
)
5867 char in_br
[IFNAMSIZ
];
5869 os_strlcpy(bss
->brname
, brname
, IFNAMSIZ
);
5870 br_ifindex
= if_nametoindex(brname
);
5871 if (br_ifindex
== 0) {
5873 * Bridge was configured, but the bridge device does
5874 * not exist. Try to add it now.
5876 if (linux_br_add(drv
->global
->ioctl_sock
, brname
) < 0) {
5877 wpa_printf(MSG_ERROR
, "nl80211: Failed to add the "
5878 "bridge interface %s: %s",
5879 brname
, strerror(errno
));
5882 bss
->added_bridge
= 1;
5883 br_ifindex
= if_nametoindex(brname
);
5884 add_ifidx(drv
, br_ifindex
, drv
->ifindex
);
5886 bss
->br_ifindex
= br_ifindex
;
5888 if (linux_br_get(in_br
, ifname
) == 0) {
5889 if (os_strcmp(in_br
, brname
) == 0)
5890 return 0; /* already in the bridge */
5892 wpa_printf(MSG_DEBUG
, "nl80211: Removing interface %s from "
5893 "bridge %s", ifname
, in_br
);
5894 if (linux_br_del_if(drv
->global
->ioctl_sock
, in_br
, ifname
) <
5896 wpa_printf(MSG_ERROR
, "nl80211: Failed to "
5897 "remove interface %s from bridge "
5899 ifname
, brname
, strerror(errno
));
5904 wpa_printf(MSG_DEBUG
, "nl80211: Adding interface %s into bridge %s",
5906 if (linux_br_add_if(drv
->global
->ioctl_sock
, brname
, ifname
) < 0) {
5907 wpa_printf(MSG_ERROR
, "nl80211: Failed to add interface %s "
5908 "into bridge %s: %s",
5909 ifname
, brname
, strerror(errno
));
5912 bss
->added_if_into_bridge
= 1;
5918 static void *i802_init(struct hostapd_data
*hapd
,
5919 struct wpa_init_params
*params
)
5921 struct wpa_driver_nl80211_data
*drv
;
5922 struct i802_bss
*bss
;
5924 char master_ifname
[IFNAMSIZ
];
5925 int ifindex
, br_ifindex
= 0;
5928 bss
= wpa_driver_nl80211_drv_init(hapd
, params
->ifname
,
5929 params
->global_priv
, 1,
5930 params
->bssid
, params
->driver_params
);
5936 if (linux_br_get(master_ifname
, params
->ifname
) == 0) {
5937 wpa_printf(MSG_DEBUG
, "nl80211: Interface %s is in bridge %s",
5938 params
->ifname
, master_ifname
);
5939 br_ifindex
= if_nametoindex(master_ifname
);
5940 os_strlcpy(bss
->brname
, master_ifname
, IFNAMSIZ
);
5941 } else if ((params
->num_bridge
== 0 || !params
->bridge
[0]) &&
5942 linux_master_get(master_ifname
, params
->ifname
) == 0) {
5943 wpa_printf(MSG_DEBUG
, "nl80211: Interface %s is in master %s",
5944 params
->ifname
, master_ifname
);
5945 /* start listening for EAPOL on the master interface */
5946 add_ifidx(drv
, if_nametoindex(master_ifname
), drv
->ifindex
);
5948 /* check if master itself is under bridge */
5949 if (linux_br_get(master_ifname
, master_ifname
) == 0) {
5950 wpa_printf(MSG_DEBUG
, "nl80211: which is in bridge %s",
5952 br_ifindex
= if_nametoindex(master_ifname
);
5953 os_strlcpy(bss
->brname
, master_ifname
, IFNAMSIZ
);
5956 master_ifname
[0] = '\0';
5959 bss
->br_ifindex
= br_ifindex
;
5961 for (i
= 0; i
< params
->num_bridge
; i
++) {
5962 if (params
->bridge
[i
]) {
5963 ifindex
= if_nametoindex(params
->bridge
[i
]);
5965 add_ifidx(drv
, ifindex
, drv
->ifindex
);
5966 if (ifindex
== br_ifindex
)
5971 /* start listening for EAPOL on the default AP interface */
5972 add_ifidx(drv
, drv
->ifindex
, IFIDX_ANY
);
5974 if (params
->num_bridge
&& params
->bridge
[0]) {
5975 if (i802_check_bridge(drv
, bss
, params
->bridge
[0],
5976 params
->ifname
) < 0)
5978 if (os_strcmp(params
->bridge
[0], master_ifname
) != 0)
5982 if (!br_added
&& br_ifindex
&&
5983 (params
->num_bridge
== 0 || !params
->bridge
[0]))
5984 add_ifidx(drv
, br_ifindex
, drv
->ifindex
);
5986 #ifdef CONFIG_LIBNL3_ROUTE
5987 if (bss
->added_if_into_bridge
) {
5988 drv
->rtnl_sk
= nl_socket_alloc();
5989 if (drv
->rtnl_sk
== NULL
) {
5990 wpa_printf(MSG_ERROR
, "nl80211: Failed to allocate nl_sock");
5994 if (nl_connect(drv
->rtnl_sk
, NETLINK_ROUTE
)) {
5995 wpa_printf(MSG_ERROR
, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
6000 #endif /* CONFIG_LIBNL3_ROUTE */
6002 drv
->eapol_sock
= socket(PF_PACKET
, SOCK_DGRAM
, htons(ETH_P_PAE
));
6003 if (drv
->eapol_sock
< 0) {
6004 wpa_printf(MSG_ERROR
, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
6009 if (eloop_register_read_sock(drv
->eapol_sock
, handle_eapol
, drv
, NULL
))
6011 wpa_printf(MSG_INFO
, "nl80211: Could not register read socket for eapol");
6015 if (linux_get_ifhwaddr(drv
->global
->ioctl_sock
, bss
->ifname
,
6018 os_memcpy(drv
->perm_addr
, params
->own_addr
, ETH_ALEN
);
6020 memcpy(bss
->addr
, params
->own_addr
, ETH_ALEN
);
6025 wpa_driver_nl80211_deinit(bss
);
6030 static void i802_deinit(void *priv
)
6032 struct i802_bss
*bss
= priv
;
6033 wpa_driver_nl80211_deinit(bss
);
6037 static enum nl80211_iftype
wpa_driver_nl80211_if_type(
6038 enum wpa_driver_if_type type
)
6041 case WPA_IF_STATION
:
6042 return NL80211_IFTYPE_STATION
;
6043 case WPA_IF_P2P_CLIENT
:
6044 case WPA_IF_P2P_GROUP
:
6045 return NL80211_IFTYPE_P2P_CLIENT
;
6046 case WPA_IF_AP_VLAN
:
6047 return NL80211_IFTYPE_AP_VLAN
;
6049 return NL80211_IFTYPE_AP
;
6051 return NL80211_IFTYPE_P2P_GO
;
6052 case WPA_IF_P2P_DEVICE
:
6053 return NL80211_IFTYPE_P2P_DEVICE
;
6055 return NL80211_IFTYPE_MESH_POINT
;
6062 static int nl80211_addr_in_use(struct nl80211_global
*global
, const u8
*addr
)
6064 struct wpa_driver_nl80211_data
*drv
;
6065 dl_list_for_each(drv
, &global
->interfaces
,
6066 struct wpa_driver_nl80211_data
, list
) {
6067 if (os_memcmp(addr
, drv
->first_bss
->addr
, ETH_ALEN
) == 0)
6074 static int nl80211_vif_addr(struct wpa_driver_nl80211_data
*drv
, u8
*new_addr
)
6081 os_memcpy(new_addr
, drv
->first_bss
->addr
, ETH_ALEN
);
6082 for (idx
= 0; idx
< 64; idx
++) {
6083 new_addr
[0] = drv
->first_bss
->addr
[0] | 0x02;
6084 new_addr
[0] ^= idx
<< 2;
6085 if (!nl80211_addr_in_use(drv
->global
, new_addr
))
6091 wpa_printf(MSG_DEBUG
, "nl80211: Assigned new virtual interface address "
6092 MACSTR
, MAC2STR(new_addr
));
6101 u8 macaddr
[ETH_ALEN
];
6104 static int nl80211_wdev_handler(struct nl_msg
*msg
, void *arg
)
6106 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
6107 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
6108 struct wdev_info
*wi
= arg
;
6110 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
6111 genlmsg_attrlen(gnlh
, 0), NULL
);
6112 if (tb
[NL80211_ATTR_WDEV
]) {
6113 wi
->wdev_id
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]);
6114 wi
->wdev_id_set
= 1;
6117 if (tb
[NL80211_ATTR_MAC
])
6118 os_memcpy(wi
->macaddr
, nla_data(tb
[NL80211_ATTR_MAC
]),
6125 static int wpa_driver_nl80211_if_add(void *priv
, enum wpa_driver_if_type type
,
6126 const char *ifname
, const u8
*addr
,
6127 void *bss_ctx
, void **drv_priv
,
6128 char *force_ifname
, u8
*if_addr
,
6129 const char *bridge
, int use_existing
,
6132 enum nl80211_iftype nlmode
;
6133 struct i802_bss
*bss
= priv
;
6134 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6139 os_memcpy(if_addr
, addr
, ETH_ALEN
);
6140 nlmode
= wpa_driver_nl80211_if_type(type
);
6141 if (nlmode
== NL80211_IFTYPE_P2P_DEVICE
) {
6142 struct wdev_info p2pdev_info
;
6144 os_memset(&p2pdev_info
, 0, sizeof(p2pdev_info
));
6145 ifidx
= nl80211_create_iface(drv
, ifname
, nlmode
, addr
,
6146 0, nl80211_wdev_handler
,
6147 &p2pdev_info
, use_existing
);
6148 if (!p2pdev_info
.wdev_id_set
|| ifidx
!= 0) {
6149 wpa_printf(MSG_ERROR
, "nl80211: Failed to create a P2P Device interface %s",
6154 drv
->global
->if_add_wdevid
= p2pdev_info
.wdev_id
;
6155 drv
->global
->if_add_wdevid_set
= p2pdev_info
.wdev_id_set
;
6156 if (!is_zero_ether_addr(p2pdev_info
.macaddr
))
6157 os_memcpy(if_addr
, p2pdev_info
.macaddr
, ETH_ALEN
);
6158 wpa_printf(MSG_DEBUG
, "nl80211: New P2P Device interface %s (0x%llx) created",
6160 (long long unsigned int) p2pdev_info
.wdev_id
);
6162 ifidx
= nl80211_create_iface(drv
, ifname
, nlmode
, addr
,
6163 0, NULL
, NULL
, use_existing
);
6164 if (use_existing
&& ifidx
== -ENFILE
) {
6166 ifidx
= if_nametoindex(ifname
);
6167 } else if (ifidx
< 0) {
6173 if (nlmode
== NL80211_IFTYPE_P2P_DEVICE
)
6174 os_memcpy(if_addr
, bss
->addr
, ETH_ALEN
);
6175 else if (linux_get_ifhwaddr(drv
->global
->ioctl_sock
,
6176 ifname
, if_addr
) < 0) {
6178 nl80211_remove_iface(drv
, ifidx
);
6184 (type
== WPA_IF_P2P_CLIENT
|| type
== WPA_IF_P2P_GROUP
||
6185 type
== WPA_IF_P2P_GO
|| type
== WPA_IF_MESH
||
6186 type
== WPA_IF_STATION
)) {
6187 /* Enforce unique address */
6188 u8 new_addr
[ETH_ALEN
];
6190 if (linux_get_ifhwaddr(drv
->global
->ioctl_sock
, ifname
,
6193 nl80211_remove_iface(drv
, ifidx
);
6196 if (nl80211_addr_in_use(drv
->global
, new_addr
)) {
6197 wpa_printf(MSG_DEBUG
, "nl80211: Allocate new address "
6198 "for interface %s type %d", ifname
, type
);
6199 if (nl80211_vif_addr(drv
, new_addr
) < 0) {
6201 nl80211_remove_iface(drv
, ifidx
);
6204 if (linux_set_ifhwaddr(drv
->global
->ioctl_sock
, ifname
,
6207 nl80211_remove_iface(drv
, ifidx
);
6211 os_memcpy(if_addr
, new_addr
, ETH_ALEN
);
6214 if (type
== WPA_IF_AP_BSS
&& setup_ap
) {
6215 struct i802_bss
*new_bss
= os_zalloc(sizeof(*new_bss
));
6216 if (new_bss
== NULL
) {
6218 nl80211_remove_iface(drv
, ifidx
);
6223 i802_check_bridge(drv
, new_bss
, bridge
, ifname
) < 0) {
6224 wpa_printf(MSG_ERROR
, "nl80211: Failed to add the new "
6225 "interface %s to a bridge %s",
6228 nl80211_remove_iface(drv
, ifidx
);
6233 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, ifname
, 1))
6236 nl80211_remove_iface(drv
, ifidx
);
6240 os_strlcpy(new_bss
->ifname
, ifname
, IFNAMSIZ
);
6241 os_memcpy(new_bss
->addr
, if_addr
, ETH_ALEN
);
6242 new_bss
->ifindex
= ifidx
;
6244 new_bss
->next
= drv
->first_bss
->next
;
6245 new_bss
->freq
= drv
->first_bss
->freq
;
6246 new_bss
->ctx
= bss_ctx
;
6247 new_bss
->added_if
= added
;
6248 drv
->first_bss
->next
= new_bss
;
6250 *drv_priv
= new_bss
;
6251 nl80211_init_bss(new_bss
);
6253 /* Subscribe management frames for this WPA_IF_AP_BSS */
6254 if (nl80211_setup_ap(new_bss
))
6259 drv
->global
->if_add_ifindex
= ifidx
;
6262 * Some virtual interfaces need to process EAPOL packets and events on
6263 * the parent interface. This is used mainly with hostapd.
6267 nlmode
== NL80211_IFTYPE_AP_VLAN
||
6268 nlmode
== NL80211_IFTYPE_WDS
||
6269 nlmode
== NL80211_IFTYPE_MONITOR
))
6270 add_ifidx(drv
, ifidx
, IFIDX_ANY
);
6276 static int wpa_driver_nl80211_if_remove(struct i802_bss
*bss
,
6277 enum wpa_driver_if_type type
,
6280 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6281 int ifindex
= if_nametoindex(ifname
);
6283 wpa_printf(MSG_DEBUG
, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
6284 __func__
, type
, ifname
, ifindex
, bss
->added_if
);
6285 if (ifindex
> 0 && (bss
->added_if
|| bss
->ifindex
!= ifindex
))
6286 nl80211_remove_iface(drv
, ifindex
);
6287 else if (ifindex
> 0 && !bss
->added_if
) {
6288 struct wpa_driver_nl80211_data
*drv2
;
6289 dl_list_for_each(drv2
, &drv
->global
->interfaces
,
6290 struct wpa_driver_nl80211_data
, list
) {
6291 del_ifidx(drv2
, ifindex
, IFIDX_ANY
);
6292 del_ifidx(drv2
, IFIDX_ANY
, ifindex
);
6296 if (type
!= WPA_IF_AP_BSS
)
6299 if (bss
->added_if_into_bridge
) {
6300 if (linux_br_del_if(drv
->global
->ioctl_sock
, bss
->brname
,
6302 wpa_printf(MSG_INFO
, "nl80211: Failed to remove "
6303 "interface %s from bridge %s: %s",
6304 bss
->ifname
, bss
->brname
, strerror(errno
));
6306 if (bss
->added_bridge
) {
6307 if (linux_br_del(drv
->global
->ioctl_sock
, bss
->brname
) < 0)
6308 wpa_printf(MSG_INFO
, "nl80211: Failed to remove "
6310 bss
->brname
, strerror(errno
));
6313 if (bss
!= drv
->first_bss
) {
6314 struct i802_bss
*tbss
;
6316 wpa_printf(MSG_DEBUG
, "nl80211: Not the first BSS - remove it");
6317 for (tbss
= drv
->first_bss
; tbss
; tbss
= tbss
->next
) {
6318 if (tbss
->next
== bss
) {
6319 tbss
->next
= bss
->next
;
6320 /* Unsubscribe management frames */
6321 nl80211_teardown_ap(bss
);
6322 nl80211_destroy_bss(bss
);
6324 i802_set_iface_flags(bss
, 0);
6331 wpa_printf(MSG_INFO
, "nl80211: %s - could not find "
6332 "BSS %p in the list", __func__
, bss
);
6334 wpa_printf(MSG_DEBUG
, "nl80211: First BSS - reassign context");
6335 nl80211_teardown_ap(bss
);
6336 if (!bss
->added_if
&& !drv
->first_bss
->next
)
6337 wpa_driver_nl80211_del_beacon(drv
);
6338 nl80211_destroy_bss(bss
);
6340 i802_set_iface_flags(bss
, 0);
6341 if (drv
->first_bss
->next
) {
6342 drv
->first_bss
= drv
->first_bss
->next
;
6343 drv
->ctx
= drv
->first_bss
->ctx
;
6346 wpa_printf(MSG_DEBUG
, "nl80211: No second BSS to reassign context to");
6354 static int cookie_handler(struct nl_msg
*msg
, void *arg
)
6356 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
6357 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
6359 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
6360 genlmsg_attrlen(gnlh
, 0), NULL
);
6361 if (tb
[NL80211_ATTR_COOKIE
])
6362 *cookie
= nla_get_u64(tb
[NL80211_ATTR_COOKIE
]);
6367 static int nl80211_send_frame_cmd(struct i802_bss
*bss
,
6368 unsigned int freq
, unsigned int wait
,
6369 const u8
*buf
, size_t buf_len
,
6370 u64
*cookie_out
, int no_cck
, int no_ack
,
6371 int offchanok
, const u16
*csa_offs
,
6372 size_t csa_offs_len
)
6374 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6379 wpa_printf(MSG_MSGDUMP
, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
6380 "no_ack=%d offchanok=%d",
6381 freq
, wait
, no_cck
, no_ack
, offchanok
);
6382 wpa_hexdump(MSG_MSGDUMP
, "CMD_FRAME", buf
, buf_len
);
6384 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_FRAME
)) ||
6385 (freq
&& nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
6386 (wait
&& nla_put_u32(msg
, NL80211_ATTR_DURATION
, wait
)) ||
6387 (offchanok
&& ((drv
->capa
.flags
& WPA_DRIVER_FLAGS_OFFCHANNEL_TX
) ||
6388 drv
->test_use_roc_tx
) &&
6389 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
)) ||
6390 (no_cck
&& nla_put_flag(msg
, NL80211_ATTR_TX_NO_CCK_RATE
)) ||
6391 (no_ack
&& nla_put_flag(msg
, NL80211_ATTR_DONT_WAIT_FOR_ACK
)) ||
6392 (csa_offs
&& nla_put(msg
, NL80211_ATTR_CSA_C_OFFSETS_TX
,
6393 csa_offs_len
* sizeof(u16
), csa_offs
)) ||
6394 nla_put(msg
, NL80211_ATTR_FRAME
, buf_len
, buf
))
6398 ret
= send_and_recv_msgs(drv
, msg
, cookie_handler
, &cookie
);
6401 wpa_printf(MSG_DEBUG
, "nl80211: Frame command failed: ret=%d "
6402 "(%s) (freq=%u wait=%u)", ret
, strerror(-ret
),
6405 wpa_printf(MSG_MSGDUMP
, "nl80211: Frame TX command accepted%s; "
6406 "cookie 0x%llx", no_ack
? " (no ACK)" : "",
6407 (long long unsigned int) cookie
);
6410 *cookie_out
= no_ack
? (u64
) -1 : cookie
;
6412 if (drv
->num_send_action_cookies
== MAX_SEND_ACTION_COOKIES
) {
6413 wpa_printf(MSG_DEBUG
,
6414 "nl80211: Drop oldest pending send action cookie 0x%llx",
6415 (long long unsigned int)
6416 drv
->send_action_cookies
[0]);
6417 os_memmove(&drv
->send_action_cookies
[0],
6418 &drv
->send_action_cookies
[1],
6419 (MAX_SEND_ACTION_COOKIES
- 1) *
6421 drv
->num_send_action_cookies
--;
6423 drv
->send_action_cookies
[drv
->num_send_action_cookies
] = cookie
;
6424 drv
->num_send_action_cookies
++;
6433 static int wpa_driver_nl80211_send_action(struct i802_bss
*bss
,
6435 unsigned int wait_time
,
6436 const u8
*dst
, const u8
*src
,
6438 const u8
*data
, size_t data_len
,
6441 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6444 struct ieee80211_hdr
*hdr
;
6446 wpa_printf(MSG_DEBUG
, "nl80211: Send Action frame (ifindex=%d, "
6447 "freq=%u MHz wait=%d ms no_cck=%d)",
6448 drv
->ifindex
, freq
, wait_time
, no_cck
);
6450 buf
= os_zalloc(24 + data_len
);
6453 os_memcpy(buf
+ 24, data
, data_len
);
6454 hdr
= (struct ieee80211_hdr
*) buf
;
6455 hdr
->frame_control
=
6456 IEEE80211_FC(WLAN_FC_TYPE_MGMT
, WLAN_FC_STYPE_ACTION
);
6457 os_memcpy(hdr
->addr1
, dst
, ETH_ALEN
);
6458 os_memcpy(hdr
->addr2
, src
, ETH_ALEN
);
6459 os_memcpy(hdr
->addr3
, bssid
, ETH_ALEN
);
6461 if (is_ap_interface(drv
->nlmode
) &&
6462 (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_OFFCHANNEL_TX
) ||
6463 (int) freq
== bss
->freq
|| drv
->device_ap_sme
||
6465 ret
= wpa_driver_nl80211_send_mlme(bss
, buf
, 24 + data_len
,
6467 wait_time
, NULL
, 0);
6469 ret
= nl80211_send_frame_cmd(bss
, freq
, wait_time
, buf
,
6471 &drv
->send_action_cookie
,
6472 no_cck
, 0, 1, NULL
, 0);
6479 static void nl80211_frame_wait_cancel(struct i802_bss
*bss
, u64 cookie
)
6481 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6485 wpa_printf(MSG_DEBUG
, "nl80211: Cancel TX frame wait: cookie=0x%llx",
6486 (long long unsigned int) cookie
);
6487 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_FRAME_WAIT_CANCEL
)) ||
6488 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
)) {
6493 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
6495 wpa_printf(MSG_DEBUG
, "nl80211: wait cancel failed: ret=%d "
6496 "(%s)", ret
, strerror(-ret
));
6500 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv
)
6502 struct i802_bss
*bss
= priv
;
6503 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6507 /* Cancel the last pending TX cookie */
6508 nl80211_frame_wait_cancel(bss
, drv
->send_action_cookie
);
6511 * Cancel the other pending TX cookies, if any. This is needed since
6512 * the driver may keep a list of all pending offchannel TX operations
6513 * and free up the radio only once they have expired or cancelled.
6515 for (i
= drv
->num_send_action_cookies
; i
> 0; i
--) {
6516 cookie
= drv
->send_action_cookies
[i
- 1];
6517 if (cookie
!= drv
->send_action_cookie
)
6518 nl80211_frame_wait_cancel(bss
, cookie
);
6520 drv
->num_send_action_cookies
= 0;
6524 static int wpa_driver_nl80211_remain_on_channel(void *priv
, unsigned int freq
,
6525 unsigned int duration
)
6527 struct i802_bss
*bss
= priv
;
6528 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6533 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_REMAIN_ON_CHANNEL
)) ||
6534 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
6535 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
)) {
6541 ret
= send_and_recv_msgs(drv
, msg
, cookie_handler
, &cookie
);
6543 wpa_printf(MSG_DEBUG
, "nl80211: Remain-on-channel cookie "
6544 "0x%llx for freq=%u MHz duration=%u",
6545 (long long unsigned int) cookie
, freq
, duration
);
6546 drv
->remain_on_chan_cookie
= cookie
;
6547 drv
->pending_remain_on_chan
= 1;
6550 wpa_printf(MSG_DEBUG
, "nl80211: Failed to request remain-on-channel "
6551 "(freq=%d duration=%u): %d (%s)",
6552 freq
, duration
, ret
, strerror(-ret
));
6557 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv
)
6559 struct i802_bss
*bss
= priv
;
6560 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6564 if (!drv
->pending_remain_on_chan
) {
6565 wpa_printf(MSG_DEBUG
, "nl80211: No pending remain-on-channel "
6570 wpa_printf(MSG_DEBUG
, "nl80211: Cancel remain-on-channel with cookie "
6572 (long long unsigned int) drv
->remain_on_chan_cookie
);
6574 msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
);
6576 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, drv
->remain_on_chan_cookie
)) {
6581 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
6584 wpa_printf(MSG_DEBUG
, "nl80211: Failed to cancel remain-on-channel: "
6585 "%d (%s)", ret
, strerror(-ret
));
6590 static int wpa_driver_nl80211_probe_req_report(struct i802_bss
*bss
, int report
)
6592 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6595 if (bss
->nl_preq
&& drv
->device_ap_sme
&&
6596 is_ap_interface(drv
->nlmode
) && !bss
->in_deinit
&&
6599 * Do not disable Probe Request reporting that was
6600 * enabled in nl80211_setup_ap().
6602 wpa_printf(MSG_DEBUG
, "nl80211: Skip disabling of "
6603 "Probe Request reporting nl_preq=%p while "
6604 "in AP mode", bss
->nl_preq
);
6605 } else if (bss
->nl_preq
) {
6606 wpa_printf(MSG_DEBUG
, "nl80211: Disable Probe Request "
6607 "reporting nl_preq=%p", bss
->nl_preq
);
6608 nl80211_destroy_eloop_handle(&bss
->nl_preq
);
6614 wpa_printf(MSG_DEBUG
, "nl80211: Probe Request reporting "
6615 "already on! nl_preq=%p", bss
->nl_preq
);
6619 bss
->nl_preq
= nl_create_handle(drv
->global
->nl_cb
, "preq");
6620 if (bss
->nl_preq
== NULL
)
6622 wpa_printf(MSG_DEBUG
, "nl80211: Enable Probe Request "
6623 "reporting nl_preq=%p", bss
->nl_preq
);
6625 if (nl80211_register_frame(bss
, bss
->nl_preq
,
6626 (WLAN_FC_TYPE_MGMT
<< 2) |
6627 (WLAN_FC_STYPE_PROBE_REQ
<< 4),
6631 nl80211_register_eloop_read(&bss
->nl_preq
,
6632 wpa_driver_nl80211_event_receive
,
6638 nl_destroy_handles(&bss
->nl_preq
);
6643 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data
*drv
,
6644 int ifindex
, int disabled
)
6647 struct nlattr
*bands
, *band
;
6650 wpa_printf(MSG_DEBUG
,
6651 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6652 ifindex
, disabled
? "NL80211_TXRATE_LEGACY=OFDM-only" :
6653 "no NL80211_TXRATE_LEGACY constraint");
6655 msg
= nl80211_ifindex_msg(drv
, ifindex
, 0,
6656 NL80211_CMD_SET_TX_BITRATE_MASK
);
6660 bands
= nla_nest_start(msg
, NL80211_ATTR_TX_RATES
);
6665 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6666 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6667 * rates. All 5 GHz rates are left enabled.
6669 band
= nla_nest_start(msg
, NL80211_BAND_2GHZ
);
6671 (disabled
&& nla_put(msg
, NL80211_TXRATE_LEGACY
, 8,
6672 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6674 nla_nest_end(msg
, band
);
6676 nla_nest_end(msg
, bands
);
6678 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
6680 wpa_printf(MSG_DEBUG
, "nl80211: Set TX rates failed: ret=%d "
6681 "(%s)", ret
, strerror(-ret
));
6683 drv
->disabled_11b_rates
= disabled
;
6693 static int wpa_driver_nl80211_deinit_ap(void *priv
)
6695 struct i802_bss
*bss
= priv
;
6696 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6697 if (!is_ap_interface(drv
->nlmode
))
6699 wpa_driver_nl80211_del_beacon(drv
);
6700 bss
->beacon_set
= 0;
6703 * If the P2P GO interface was dynamically added, then it is
6704 * possible that the interface change to station is not possible.
6706 if (drv
->nlmode
== NL80211_IFTYPE_P2P_GO
&& bss
->if_dynamic
)
6709 return wpa_driver_nl80211_set_mode(priv
, NL80211_IFTYPE_STATION
);
6713 static int wpa_driver_nl80211_stop_ap(void *priv
)
6715 struct i802_bss
*bss
= priv
;
6716 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6717 if (!is_ap_interface(drv
->nlmode
))
6719 wpa_driver_nl80211_del_beacon(drv
);
6720 bss
->beacon_set
= 0;
6725 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv
)
6727 struct i802_bss
*bss
= priv
;
6728 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6729 if (drv
->nlmode
!= NL80211_IFTYPE_P2P_CLIENT
)
6733 * If the P2P Client interface was dynamically added, then it is
6734 * possible that the interface change to station is not possible.
6736 if (bss
->if_dynamic
)
6739 return wpa_driver_nl80211_set_mode(priv
, NL80211_IFTYPE_STATION
);
6743 static void wpa_driver_nl80211_resume(void *priv
)
6745 struct i802_bss
*bss
= priv
;
6746 enum nl80211_iftype nlmode
= nl80211_get_ifmode(bss
);
6748 if (i802_set_iface_flags(bss
, 1))
6749 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set interface up on resume event");
6751 if (is_p2p_net_interface(nlmode
))
6752 nl80211_disable_11b_rates(bss
->drv
, bss
->drv
->ifindex
, 1);
6756 static int nl80211_signal_monitor(void *priv
, int threshold
, int hysteresis
)
6758 struct i802_bss
*bss
= priv
;
6759 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6763 wpa_printf(MSG_DEBUG
, "nl80211: Signal monitor threshold=%d "
6764 "hysteresis=%d", threshold
, hysteresis
);
6766 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_CQM
)) ||
6767 !(cqm
= nla_nest_start(msg
, NL80211_ATTR_CQM
)) ||
6768 nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THOLD
, threshold
) ||
6769 nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_HYST
, hysteresis
)) {
6773 nla_nest_end(msg
, cqm
);
6775 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
6779 static int get_channel_width(struct nl_msg
*msg
, void *arg
)
6781 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
6782 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
6783 struct wpa_signal_info
*sig_change
= arg
;
6785 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
6786 genlmsg_attrlen(gnlh
, 0), NULL
);
6788 sig_change
->center_frq1
= -1;
6789 sig_change
->center_frq2
= -1;
6790 sig_change
->chanwidth
= CHAN_WIDTH_UNKNOWN
;
6792 if (tb
[NL80211_ATTR_CHANNEL_WIDTH
]) {
6793 sig_change
->chanwidth
= convert2width(
6794 nla_get_u32(tb
[NL80211_ATTR_CHANNEL_WIDTH
]));
6795 if (tb
[NL80211_ATTR_CENTER_FREQ1
])
6796 sig_change
->center_frq1
=
6797 nla_get_u32(tb
[NL80211_ATTR_CENTER_FREQ1
]);
6798 if (tb
[NL80211_ATTR_CENTER_FREQ2
])
6799 sig_change
->center_frq2
=
6800 nla_get_u32(tb
[NL80211_ATTR_CENTER_FREQ2
]);
6807 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data
*drv
,
6808 struct wpa_signal_info
*sig
)
6812 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_GET_INTERFACE
);
6813 return send_and_recv_msgs(drv
, msg
, get_channel_width
, sig
);
6817 static int nl80211_signal_poll(void *priv
, struct wpa_signal_info
*si
)
6819 struct i802_bss
*bss
= priv
;
6820 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6823 os_memset(si
, 0, sizeof(*si
));
6824 res
= nl80211_get_link_signal(drv
, si
);
6826 if (drv
->nlmode
!= NL80211_IFTYPE_ADHOC
&&
6827 drv
->nlmode
!= NL80211_IFTYPE_MESH_POINT
)
6829 si
->current_signal
= 0;
6832 res
= nl80211_get_channel_width(drv
, si
);
6836 return nl80211_get_link_noise(drv
, si
);
6840 static int nl80211_send_frame(void *priv
, const u8
*data
, size_t data_len
,
6843 struct i802_bss
*bss
= priv
;
6844 return wpa_driver_nl80211_send_frame(bss
, data
, data_len
, encrypt
, 0,
6845 0, 0, 0, 0, NULL
, 0);
6849 static int nl80211_set_param(void *priv
, const char *param
)
6853 wpa_printf(MSG_DEBUG
, "nl80211: driver param='%s'", param
);
6856 if (os_strstr(param
, "use_p2p_group_interface=1")) {
6857 struct i802_bss
*bss
= priv
;
6858 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6860 wpa_printf(MSG_DEBUG
, "nl80211: Use separate P2P group "
6862 drv
->capa
.flags
|= WPA_DRIVER_FLAGS_P2P_CONCURRENT
;
6863 drv
->capa
.flags
|= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P
;
6865 #endif /* CONFIG_P2P */
6867 if (os_strstr(param
, "use_monitor=1")) {
6868 struct i802_bss
*bss
= priv
;
6869 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6870 drv
->use_monitor
= 1;
6873 if (os_strstr(param
, "force_connect_cmd=1")) {
6874 struct i802_bss
*bss
= priv
;
6875 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6876 drv
->capa
.flags
&= ~WPA_DRIVER_FLAGS_SME
;
6877 drv
->force_connect_cmd
= 1;
6880 if (os_strstr(param
, "no_offchannel_tx=1")) {
6881 struct i802_bss
*bss
= priv
;
6882 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6883 drv
->capa
.flags
&= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX
;
6884 drv
->test_use_roc_tx
= 1;
6891 static void * nl80211_global_init(void *ctx
)
6893 struct nl80211_global
*global
;
6894 struct netlink_config
*cfg
;
6896 global
= os_zalloc(sizeof(*global
));
6900 global
->ioctl_sock
= -1;
6901 dl_list_init(&global
->interfaces
);
6902 global
->if_add_ifindex
= -1;
6904 cfg
= os_zalloc(sizeof(*cfg
));
6909 cfg
->newlink_cb
= wpa_driver_nl80211_event_rtm_newlink
;
6910 cfg
->dellink_cb
= wpa_driver_nl80211_event_rtm_dellink
;
6911 global
->netlink
= netlink_init(cfg
);
6912 if (global
->netlink
== NULL
) {
6917 if (wpa_driver_nl80211_init_nl_global(global
) < 0)
6920 global
->ioctl_sock
= socket(PF_INET
, SOCK_DGRAM
, 0);
6921 if (global
->ioctl_sock
< 0) {
6922 wpa_printf(MSG_ERROR
, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
6930 nl80211_global_deinit(global
);
6935 static void nl80211_global_deinit(void *priv
)
6937 struct nl80211_global
*global
= priv
;
6940 if (!dl_list_empty(&global
->interfaces
)) {
6941 wpa_printf(MSG_ERROR
, "nl80211: %u interface(s) remain at "
6942 "nl80211_global_deinit",
6943 dl_list_len(&global
->interfaces
));
6946 if (global
->netlink
)
6947 netlink_deinit(global
->netlink
);
6949 nl_destroy_handles(&global
->nl
);
6951 if (global
->nl_event
)
6952 nl80211_destroy_eloop_handle(&global
->nl_event
);
6954 nl_cb_put(global
->nl_cb
);
6956 if (global
->ioctl_sock
>= 0)
6957 close(global
->ioctl_sock
);
6963 static const char * nl80211_get_radio_name(void *priv
)
6965 struct i802_bss
*bss
= priv
;
6966 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6967 return drv
->phyname
;
6971 static int nl80211_pmkid(struct i802_bss
*bss
, int cmd
, const u8
*bssid
,
6976 if (!(msg
= nl80211_bss_msg(bss
, 0, cmd
)) ||
6977 (pmkid
&& nla_put(msg
, NL80211_ATTR_PMKID
, 16, pmkid
)) ||
6978 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))) {
6983 return send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
6987 static int nl80211_add_pmkid(void *priv
, const u8
*bssid
, const u8
*pmkid
)
6989 struct i802_bss
*bss
= priv
;
6990 wpa_printf(MSG_DEBUG
, "nl80211: Add PMKID for " MACSTR
, MAC2STR(bssid
));
6991 return nl80211_pmkid(bss
, NL80211_CMD_SET_PMKSA
, bssid
, pmkid
);
6995 static int nl80211_remove_pmkid(void *priv
, const u8
*bssid
, const u8
*pmkid
)
6997 struct i802_bss
*bss
= priv
;
6998 wpa_printf(MSG_DEBUG
, "nl80211: Delete PMKID for " MACSTR
,
7000 return nl80211_pmkid(bss
, NL80211_CMD_DEL_PMKSA
, bssid
, pmkid
);
7004 static int nl80211_flush_pmkid(void *priv
)
7006 struct i802_bss
*bss
= priv
;
7007 wpa_printf(MSG_DEBUG
, "nl80211: Flush PMKIDs");
7008 return nl80211_pmkid(bss
, NL80211_CMD_FLUSH_PMKSA
, NULL
, NULL
);
7012 static void clean_survey_results(struct survey_results
*survey_results
)
7014 struct freq_survey
*survey
, *tmp
;
7016 if (dl_list_empty(&survey_results
->survey_list
))
7019 dl_list_for_each_safe(survey
, tmp
, &survey_results
->survey_list
,
7020 struct freq_survey
, list
) {
7021 dl_list_del(&survey
->list
);
7027 static void add_survey(struct nlattr
**sinfo
, u32 ifidx
,
7028 struct dl_list
*survey_list
)
7030 struct freq_survey
*survey
;
7032 survey
= os_zalloc(sizeof(struct freq_survey
));
7036 survey
->ifidx
= ifidx
;
7037 survey
->freq
= nla_get_u32(sinfo
[NL80211_SURVEY_INFO_FREQUENCY
]);
7040 if (sinfo
[NL80211_SURVEY_INFO_NOISE
]) {
7041 survey
->nf
= (int8_t)
7042 nla_get_u8(sinfo
[NL80211_SURVEY_INFO_NOISE
]);
7043 survey
->filled
|= SURVEY_HAS_NF
;
7046 if (sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME
]) {
7047 survey
->channel_time
=
7048 nla_get_u64(sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME
]);
7049 survey
->filled
|= SURVEY_HAS_CHAN_TIME
;
7052 if (sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
]) {
7053 survey
->channel_time_busy
=
7054 nla_get_u64(sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
]);
7055 survey
->filled
|= SURVEY_HAS_CHAN_TIME_BUSY
;
7058 if (sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_RX
]) {
7059 survey
->channel_time_rx
=
7060 nla_get_u64(sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_RX
]);
7061 survey
->filled
|= SURVEY_HAS_CHAN_TIME_RX
;
7064 if (sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_TX
]) {
7065 survey
->channel_time_tx
=
7066 nla_get_u64(sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_TX
]);
7067 survey
->filled
|= SURVEY_HAS_CHAN_TIME_TX
;
7070 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)",
7073 (unsigned long int) survey
->channel_time
,
7074 (unsigned long int) survey
->channel_time_busy
,
7075 (unsigned long int) survey
->channel_time_tx
,
7076 (unsigned long int) survey
->channel_time_rx
,
7079 dl_list_add_tail(survey_list
, &survey
->list
);
7083 static int check_survey_ok(struct nlattr
**sinfo
, u32 surveyed_freq
,
7084 unsigned int freq_filter
)
7089 return freq_filter
== surveyed_freq
;
7093 static int survey_handler(struct nl_msg
*msg
, void *arg
)
7095 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
7096 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
7097 struct nlattr
*sinfo
[NL80211_SURVEY_INFO_MAX
+ 1];
7098 struct survey_results
*survey_results
;
7099 u32 surveyed_freq
= 0;
7102 static struct nla_policy survey_policy
[NL80211_SURVEY_INFO_MAX
+ 1] = {
7103 [NL80211_SURVEY_INFO_FREQUENCY
] = { .type
= NLA_U32
},
7104 [NL80211_SURVEY_INFO_NOISE
] = { .type
= NLA_U8
},
7107 survey_results
= (struct survey_results
*) arg
;
7109 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
7110 genlmsg_attrlen(gnlh
, 0), NULL
);
7112 if (!tb
[NL80211_ATTR_IFINDEX
])
7115 ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
7117 if (!tb
[NL80211_ATTR_SURVEY_INFO
])
7120 if (nla_parse_nested(sinfo
, NL80211_SURVEY_INFO_MAX
,
7121 tb
[NL80211_ATTR_SURVEY_INFO
],
7125 if (!sinfo
[NL80211_SURVEY_INFO_FREQUENCY
]) {
7126 wpa_printf(MSG_ERROR
, "nl80211: Invalid survey data");
7130 surveyed_freq
= nla_get_u32(sinfo
[NL80211_SURVEY_INFO_FREQUENCY
]);
7132 if (!check_survey_ok(sinfo
, surveyed_freq
,
7133 survey_results
->freq_filter
))
7136 if (survey_results
->freq_filter
&&
7137 survey_results
->freq_filter
!= surveyed_freq
) {
7138 wpa_printf(MSG_EXCESSIVE
, "nl80211: Ignoring survey data for freq %d MHz",
7143 add_survey(sinfo
, ifidx
, &survey_results
->survey_list
);
7149 static int wpa_driver_nl80211_get_survey(void *priv
, unsigned int freq
)
7151 struct i802_bss
*bss
= priv
;
7152 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7155 union wpa_event_data data
;
7156 struct survey_results
*survey_results
;
7158 os_memset(&data
, 0, sizeof(data
));
7159 survey_results
= &data
.survey_results
;
7161 dl_list_init(&survey_results
->survey_list
);
7163 msg
= nl80211_drv_msg(drv
, NLM_F_DUMP
, NL80211_CMD_GET_SURVEY
);
7168 data
.survey_results
.freq_filter
= freq
;
7171 wpa_printf(MSG_DEBUG
, "nl80211: Fetch survey data");
7172 err
= send_and_recv_msgs(drv
, msg
, survey_handler
,
7177 wpa_printf(MSG_ERROR
, "nl80211: Failed to process survey data");
7179 wpa_supplicant_event(drv
->ctx
, EVENT_SURVEY
, &data
);
7181 clean_survey_results(survey_results
);
7186 static void nl80211_set_rekey_info(void *priv
, const u8
*kek
, size_t kek_len
,
7187 const u8
*kck
, size_t kck_len
,
7188 const u8
*replay_ctr
)
7190 struct i802_bss
*bss
= priv
;
7191 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7192 struct nlattr
*replay_nested
;
7196 if (!drv
->set_rekey_offload
)
7199 wpa_printf(MSG_DEBUG
, "nl80211: Set rekey offload");
7200 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_REKEY_OFFLOAD
)) ||
7201 !(replay_nested
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
)) ||
7202 nla_put(msg
, NL80211_REKEY_DATA_KEK
, kek_len
, kek
) ||
7203 nla_put(msg
, NL80211_REKEY_DATA_KCK
, kck_len
, kck
) ||
7204 nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
, NL80211_REPLAY_CTR_LEN
,
7206 nl80211_nlmsg_clear(msg
);
7211 nla_nest_end(msg
, replay_nested
);
7213 ret
= send_and_recv_msgs(drv
, msg
, NULL
, (void *) -1);
7214 if (ret
== -EOPNOTSUPP
) {
7215 wpa_printf(MSG_DEBUG
,
7216 "nl80211: Driver does not support rekey offload");
7217 drv
->set_rekey_offload
= 0;
7222 static void nl80211_send_null_frame(struct i802_bss
*bss
, const u8
*own_addr
,
7223 const u8
*addr
, int qos
)
7225 /* send data frame to poll STA and check whether
7226 * this frame is ACKed */
7228 struct ieee80211_hdr hdr
;
7230 } STRUCT_PACKED nulldata
;
7233 /* Send data frame to poll STA and check whether this frame is ACKed */
7235 os_memset(&nulldata
, 0, sizeof(nulldata
));
7238 nulldata
.hdr
.frame_control
=
7239 IEEE80211_FC(WLAN_FC_TYPE_DATA
,
7240 WLAN_FC_STYPE_QOS_NULL
);
7241 size
= sizeof(nulldata
);
7243 nulldata
.hdr
.frame_control
=
7244 IEEE80211_FC(WLAN_FC_TYPE_DATA
,
7245 WLAN_FC_STYPE_NULLFUNC
);
7246 size
= sizeof(struct ieee80211_hdr
);
7249 nulldata
.hdr
.frame_control
|= host_to_le16(WLAN_FC_FROMDS
);
7250 os_memcpy(nulldata
.hdr
.IEEE80211_DA_FROMDS
, addr
, ETH_ALEN
);
7251 os_memcpy(nulldata
.hdr
.IEEE80211_BSSID_FROMDS
, own_addr
, ETH_ALEN
);
7252 os_memcpy(nulldata
.hdr
.IEEE80211_SA_FROMDS
, own_addr
, ETH_ALEN
);
7254 if (wpa_driver_nl80211_send_mlme(bss
, (u8
*) &nulldata
, size
, 0, 0, 0,
7256 wpa_printf(MSG_DEBUG
, "nl80211_send_null_frame: Failed to "
7260 static void nl80211_poll_client(void *priv
, const u8
*own_addr
, const u8
*addr
,
7263 struct i802_bss
*bss
= priv
;
7264 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7268 if (!drv
->poll_command_supported
) {
7269 nl80211_send_null_frame(bss
, own_addr
, addr
, qos
);
7273 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_PROBE_CLIENT
)) ||
7274 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) {
7279 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7281 wpa_printf(MSG_DEBUG
, "nl80211: Client probe request for "
7282 MACSTR
" failed: ret=%d (%s)",
7283 MAC2STR(addr
), ret
, strerror(-ret
));
7288 static int nl80211_set_power_save(struct i802_bss
*bss
, int enabled
)
7292 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_POWER_SAVE
)) ||
7293 nla_put_u32(msg
, NL80211_ATTR_PS_STATE
,
7294 enabled
? NL80211_PS_ENABLED
: NL80211_PS_DISABLED
)) {
7298 return send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
7302 static int nl80211_set_p2p_powersave(void *priv
, int legacy_ps
, int opp_ps
,
7305 struct i802_bss
*bss
= priv
;
7307 wpa_printf(MSG_DEBUG
, "nl80211: set_p2p_powersave (legacy_ps=%d "
7308 "opp_ps=%d ctwindow=%d)", legacy_ps
, opp_ps
, ctwindow
);
7310 if (opp_ps
!= -1 || ctwindow
!= -1) {
7312 wpa_driver_set_p2p_ps(priv
, legacy_ps
, opp_ps
, ctwindow
);
7313 #else /* ANDROID_P2P */
7314 return -1; /* Not yet supported */
7315 #endif /* ANDROID_P2P */
7318 if (legacy_ps
== -1)
7320 if (legacy_ps
!= 0 && legacy_ps
!= 1)
7321 return -1; /* Not yet supported */
7323 return nl80211_set_power_save(bss
, legacy_ps
);
7327 static int nl80211_start_radar_detection(void *priv
,
7328 struct hostapd_freq_params
*freq
)
7330 struct i802_bss
*bss
= priv
;
7331 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7335 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)",
7336 freq
->freq
, freq
->ht_enabled
, freq
->vht_enabled
,
7337 freq
->bandwidth
, freq
->center_freq1
, freq
->center_freq2
);
7339 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_RADAR
)) {
7340 wpa_printf(MSG_DEBUG
, "nl80211: Driver does not support radar "
7345 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_RADAR_DETECT
)) ||
7346 nl80211_put_freq_params(msg
, freq
) < 0) {
7351 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7354 wpa_printf(MSG_DEBUG
, "nl80211: Failed to start radar detection: "
7355 "%d (%s)", ret
, strerror(-ret
));
7361 static int nl80211_send_tdls_mgmt(void *priv
, const u8
*dst
, u8 action_code
,
7362 u8 dialog_token
, u16 status_code
,
7363 u32 peer_capab
, int initiator
, const u8
*buf
,
7366 struct i802_bss
*bss
= priv
;
7367 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7370 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
))
7376 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_TDLS_MGMT
)) ||
7377 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
7378 nla_put_u8(msg
, NL80211_ATTR_TDLS_ACTION
, action_code
) ||
7379 nla_put_u8(msg
, NL80211_ATTR_TDLS_DIALOG_TOKEN
, dialog_token
) ||
7380 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status_code
))
7384 * The internal enum tdls_peer_capability definition is
7385 * currently identical with the nl80211 enum
7386 * nl80211_tdls_peer_capability, so no conversion is needed
7389 if (nla_put_u32(msg
, NL80211_ATTR_TDLS_PEER_CAPABILITY
,
7394 nla_put_flag(msg
, NL80211_ATTR_TDLS_INITIATOR
)) ||
7395 nla_put(msg
, NL80211_ATTR_IE
, len
, buf
))
7398 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7406 static int nl80211_tdls_oper(void *priv
, enum tdls_oper oper
, const u8
*peer
)
7408 struct i802_bss
*bss
= priv
;
7409 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7411 enum nl80211_tdls_operation nl80211_oper
;
7413 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
))
7417 case TDLS_DISCOVERY_REQ
:
7418 nl80211_oper
= NL80211_TDLS_DISCOVERY_REQ
;
7421 nl80211_oper
= NL80211_TDLS_SETUP
;
7424 nl80211_oper
= NL80211_TDLS_TEARDOWN
;
7426 case TDLS_ENABLE_LINK
:
7427 nl80211_oper
= NL80211_TDLS_ENABLE_LINK
;
7429 case TDLS_DISABLE_LINK
:
7430 nl80211_oper
= NL80211_TDLS_DISABLE_LINK
;
7440 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_TDLS_OPER
)) ||
7441 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, nl80211_oper
) ||
7442 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
)) {
7447 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7452 nl80211_tdls_enable_channel_switch(void *priv
, const u8
*addr
, u8 oper_class
,
7453 const struct hostapd_freq_params
*params
)
7455 struct i802_bss
*bss
= priv
;
7456 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7460 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
) ||
7461 !(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH
))
7464 wpa_printf(MSG_DEBUG
, "nl80211: Enable TDLS channel switch " MACSTR
7465 " oper_class=%u freq=%u",
7466 MAC2STR(addr
), oper_class
, params
->freq
);
7467 msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH
);
7469 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
7470 nla_put_u8(msg
, NL80211_ATTR_OPER_CLASS
, oper_class
) ||
7471 (ret
= nl80211_put_freq_params(msg
, params
))) {
7473 wpa_printf(MSG_DEBUG
, "nl80211: Could not build TDLS chan switch");
7477 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7482 nl80211_tdls_disable_channel_switch(void *priv
, const u8
*addr
)
7484 struct i802_bss
*bss
= priv
;
7485 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7488 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
) ||
7489 !(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH
))
7492 wpa_printf(MSG_DEBUG
, "nl80211: Disable TDLS channel switch " MACSTR
,
7494 msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
);
7496 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) {
7498 wpa_printf(MSG_DEBUG
,
7499 "nl80211: Could not build TDLS cancel chan switch");
7503 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7506 #endif /* CONFIG TDLS */
7509 static int driver_nl80211_set_key(const char *ifname
, void *priv
,
7510 enum wpa_alg alg
, const u8
*addr
,
7511 int key_idx
, int set_tx
,
7512 const u8
*seq
, size_t seq_len
,
7513 const u8
*key
, size_t key_len
)
7515 struct i802_bss
*bss
= priv
;
7516 return wpa_driver_nl80211_set_key(ifname
, bss
, alg
, addr
, key_idx
,
7517 set_tx
, seq
, seq_len
, key
, key_len
);
7521 static int driver_nl80211_scan2(void *priv
,
7522 struct wpa_driver_scan_params
*params
)
7524 struct i802_bss
*bss
= priv
;
7525 #ifdef CONFIG_DRIVER_NL80211_QCA
7526 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7529 * Do a vendor specific scan if possible. If only_new_results is
7530 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
7531 * cannot be achieved through a vendor scan. The below condition may
7532 * need to be modified if new scan flags are added in the future whose
7533 * functionality can only be achieved through a normal scan.
7535 if (drv
->scan_vendor_cmd_avail
&& !params
->only_new_results
)
7536 return wpa_driver_nl80211_vendor_scan(bss
, params
);
7537 #endif /* CONFIG_DRIVER_NL80211_QCA */
7538 return wpa_driver_nl80211_scan(bss
, params
);
7542 static int driver_nl80211_deauthenticate(void *priv
, const u8
*addr
,
7545 struct i802_bss
*bss
= priv
;
7546 return wpa_driver_nl80211_deauthenticate(bss
, addr
, reason_code
);
7550 static int driver_nl80211_authenticate(void *priv
,
7551 struct wpa_driver_auth_params
*params
)
7553 struct i802_bss
*bss
= priv
;
7554 return wpa_driver_nl80211_authenticate(bss
, params
);
7558 static void driver_nl80211_deinit(void *priv
)
7560 struct i802_bss
*bss
= priv
;
7561 wpa_driver_nl80211_deinit(bss
);
7565 static int driver_nl80211_if_remove(void *priv
, enum wpa_driver_if_type type
,
7568 struct i802_bss
*bss
= priv
;
7569 return wpa_driver_nl80211_if_remove(bss
, type
, ifname
);
7573 static int driver_nl80211_send_mlme(void *priv
, const u8
*data
,
7574 size_t data_len
, int noack
,
7576 const u16
*csa_offs
, size_t csa_offs_len
)
7578 struct i802_bss
*bss
= priv
;
7579 return wpa_driver_nl80211_send_mlme(bss
, data
, data_len
, noack
,
7580 freq
, 0, 0, 0, csa_offs
,
7585 static int driver_nl80211_sta_remove(void *priv
, const u8
*addr
)
7587 struct i802_bss
*bss
= priv
;
7588 return wpa_driver_nl80211_sta_remove(bss
, addr
, -1, 0);
7592 static int driver_nl80211_set_sta_vlan(void *priv
, const u8
*addr
,
7593 const char *ifname
, int vlan_id
)
7595 struct i802_bss
*bss
= priv
;
7596 return i802_set_sta_vlan(bss
, addr
, ifname
, vlan_id
);
7600 static int driver_nl80211_read_sta_data(void *priv
,
7601 struct hostap_sta_driver_data
*data
,
7604 struct i802_bss
*bss
= priv
;
7605 return i802_read_sta_data(bss
, data
, addr
);
7609 static int driver_nl80211_send_action(void *priv
, unsigned int freq
,
7610 unsigned int wait_time
,
7611 const u8
*dst
, const u8
*src
,
7613 const u8
*data
, size_t data_len
,
7616 struct i802_bss
*bss
= priv
;
7617 return wpa_driver_nl80211_send_action(bss
, freq
, wait_time
, dst
, src
,
7618 bssid
, data
, data_len
, no_cck
);
7622 static int driver_nl80211_probe_req_report(void *priv
, int report
)
7624 struct i802_bss
*bss
= priv
;
7625 return wpa_driver_nl80211_probe_req_report(bss
, report
);
7629 static int wpa_driver_nl80211_update_ft_ies(void *priv
, const u8
*md
,
7630 const u8
*ies
, size_t ies_len
)
7634 struct i802_bss
*bss
= priv
;
7635 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7636 u16 mdid
= WPA_GET_LE16(md
);
7638 wpa_printf(MSG_DEBUG
, "nl80211: Updating FT IEs");
7639 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_UPDATE_FT_IES
)) ||
7640 nla_put(msg
, NL80211_ATTR_IE
, ies_len
, ies
) ||
7641 nla_put_u16(msg
, NL80211_ATTR_MDID
, mdid
)) {
7646 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7648 wpa_printf(MSG_DEBUG
, "nl80211: update_ft_ies failed "
7649 "err=%d (%s)", ret
, strerror(-ret
));
7656 const u8
* wpa_driver_nl80211_get_macaddr(void *priv
)
7658 struct i802_bss
*bss
= priv
;
7659 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7661 if (drv
->nlmode
!= NL80211_IFTYPE_P2P_DEVICE
)
7668 static const char * scan_state_str(enum scan_states scan_state
)
7670 switch (scan_state
) {
7673 case SCAN_REQUESTED
:
7674 return "SCAN_REQUESTED";
7676 return "SCAN_STARTED";
7677 case SCAN_COMPLETED
:
7678 return "SCAN_COMPLETED";
7680 return "SCAN_ABORTED";
7681 case SCHED_SCAN_STARTED
:
7682 return "SCHED_SCAN_STARTED";
7683 case SCHED_SCAN_STOPPED
:
7684 return "SCHED_SCAN_STOPPED";
7685 case SCHED_SCAN_RESULTS
:
7686 return "SCHED_SCAN_RESULTS";
7693 static int wpa_driver_nl80211_status(void *priv
, char *buf
, size_t buflen
)
7695 struct i802_bss
*bss
= priv
;
7696 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7703 res
= os_snprintf(pos
, end
- pos
,
7715 bss
->beacon_set
? "beacon_set=1\n" : "",
7716 bss
->added_if_into_bridge
?
7717 "added_if_into_bridge=1\n" : "",
7718 bss
->added_bridge
? "added_bridge=1\n" : "",
7719 bss
->in_deinit
? "in_deinit=1\n" : "",
7720 bss
->if_dynamic
? "if_dynamic=1\n" : "");
7721 if (os_snprintf_error(end
- pos
, res
))
7725 if (bss
->wdev_id_set
) {
7726 res
= os_snprintf(pos
, end
- pos
, "wdev_id=%llu\n",
7727 (unsigned long long) bss
->wdev_id
);
7728 if (os_snprintf_error(end
- pos
, res
))
7733 res
= os_snprintf(pos
, end
- pos
,
7735 "perm_addr=" MACSTR
"\n"
7739 "auth_bssid=" MACSTR
"\n"
7740 "auth_attempt_bssid=" MACSTR
"\n"
7741 "bssid=" MACSTR
"\n"
7742 "prev_bssid=" MACSTR
"\n"
7746 "monitor_ifidx=%d\n"
7747 "monitor_refcount=%d\n"
7748 "last_mgmt_freq=%u\n"
7749 "eapol_tx_sock=%d\n"
7750 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
7752 MAC2STR(drv
->perm_addr
),
7755 scan_state_str(drv
->scan_state
),
7756 MAC2STR(drv
->auth_bssid
),
7757 MAC2STR(drv
->auth_attempt_bssid
),
7758 MAC2STR(drv
->bssid
),
7759 MAC2STR(drv
->prev_bssid
),
7764 drv
->monitor_refcount
,
7765 drv
->last_mgmt_freq
,
7767 drv
->ignore_if_down_event
?
7768 "ignore_if_down_event=1\n" : "",
7769 drv
->scan_complete_events
?
7770 "scan_complete_events=1\n" : "",
7771 drv
->disabled_11b_rates
?
7772 "disabled_11b_rates=1\n" : "",
7773 drv
->pending_remain_on_chan
?
7774 "pending_remain_on_chan=1\n" : "",
7775 drv
->in_interface_list
? "in_interface_list=1\n" : "",
7776 drv
->device_ap_sme
? "device_ap_sme=1\n" : "",
7777 drv
->poll_command_supported
?
7778 "poll_command_supported=1\n" : "",
7779 drv
->data_tx_status
? "data_tx_status=1\n" : "",
7780 drv
->scan_for_auth
? "scan_for_auth=1\n" : "",
7781 drv
->retry_auth
? "retry_auth=1\n" : "",
7782 drv
->use_monitor
? "use_monitor=1\n" : "",
7783 drv
->ignore_next_local_disconnect
?
7784 "ignore_next_local_disconnect=1\n" : "",
7785 drv
->ignore_next_local_deauth
?
7786 "ignore_next_local_deauth=1\n" : "");
7787 if (os_snprintf_error(end
- pos
, res
))
7791 if (drv
->has_capability
) {
7792 res
= os_snprintf(pos
, end
- pos
,
7793 "capa.key_mgmt=0x%x\n"
7796 "capa.flags=0x%llx\n"
7797 "capa.rrm_flags=0x%x\n"
7798 "capa.max_scan_ssids=%d\n"
7799 "capa.max_sched_scan_ssids=%d\n"
7800 "capa.sched_scan_supported=%d\n"
7801 "capa.max_match_sets=%d\n"
7802 "capa.max_remain_on_chan=%u\n"
7803 "capa.max_stations=%u\n"
7804 "capa.probe_resp_offloads=0x%x\n"
7805 "capa.max_acl_mac_addrs=%u\n"
7806 "capa.num_multichan_concurrent=%u\n"
7807 "capa.mac_addr_rand_sched_scan_supported=%d\n"
7808 "capa.mac_addr_rand_scan_supported=%d\n"
7809 "capa.conc_capab=%u\n"
7810 "capa.max_conc_chan_2_4=%u\n"
7811 "capa.max_conc_chan_5_0=%u\n"
7812 "capa.max_sched_scan_plans=%u\n"
7813 "capa.max_sched_scan_plan_interval=%u\n"
7814 "capa.max_sched_scan_plan_iterations=%u\n",
7818 (unsigned long long) drv
->capa
.flags
,
7819 drv
->capa
.rrm_flags
,
7820 drv
->capa
.max_scan_ssids
,
7821 drv
->capa
.max_sched_scan_ssids
,
7822 drv
->capa
.sched_scan_supported
,
7823 drv
->capa
.max_match_sets
,
7824 drv
->capa
.max_remain_on_chan
,
7825 drv
->capa
.max_stations
,
7826 drv
->capa
.probe_resp_offloads
,
7827 drv
->capa
.max_acl_mac_addrs
,
7828 drv
->capa
.num_multichan_concurrent
,
7829 drv
->capa
.mac_addr_rand_sched_scan_supported
,
7830 drv
->capa
.mac_addr_rand_scan_supported
,
7831 drv
->capa
.conc_capab
,
7832 drv
->capa
.max_conc_chan_2_4
,
7833 drv
->capa
.max_conc_chan_5_0
,
7834 drv
->capa
.max_sched_scan_plans
,
7835 drv
->capa
.max_sched_scan_plan_interval
,
7836 drv
->capa
.max_sched_scan_plan_iterations
);
7837 if (os_snprintf_error(end
- pos
, res
))
7846 static int set_beacon_data(struct nl_msg
*msg
, struct beacon_data
*settings
)
7848 if ((settings
->head
&&
7849 nla_put(msg
, NL80211_ATTR_BEACON_HEAD
,
7850 settings
->head_len
, settings
->head
)) ||
7852 nla_put(msg
, NL80211_ATTR_BEACON_TAIL
,
7853 settings
->tail_len
, settings
->tail
)) ||
7854 (settings
->beacon_ies
&&
7855 nla_put(msg
, NL80211_ATTR_IE
,
7856 settings
->beacon_ies_len
, settings
->beacon_ies
)) ||
7857 (settings
->proberesp_ies
&&
7858 nla_put(msg
, NL80211_ATTR_IE_PROBE_RESP
,
7859 settings
->proberesp_ies_len
, settings
->proberesp_ies
)) ||
7860 (settings
->assocresp_ies
&&
7861 nla_put(msg
, NL80211_ATTR_IE_ASSOC_RESP
,
7862 settings
->assocresp_ies_len
, settings
->assocresp_ies
)) ||
7863 (settings
->probe_resp
&&
7864 nla_put(msg
, NL80211_ATTR_PROBE_RESP
,
7865 settings
->probe_resp_len
, settings
->probe_resp
)))
7872 static int nl80211_switch_channel(void *priv
, struct csa_settings
*settings
)
7875 struct i802_bss
*bss
= priv
;
7876 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7877 struct nlattr
*beacon_csa
;
7879 int csa_off_len
= 0;
7882 wpa_printf(MSG_DEBUG
, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
7883 settings
->cs_count
, settings
->block_tx
,
7884 settings
->freq_params
.freq
, settings
->freq_params
.bandwidth
,
7885 settings
->freq_params
.center_freq1
,
7886 settings
->freq_params
.center_freq2
);
7888 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_AP_CSA
)) {
7889 wpa_printf(MSG_DEBUG
, "nl80211: Driver does not support channel switch command");
7893 if ((drv
->nlmode
!= NL80211_IFTYPE_AP
) &&
7894 (drv
->nlmode
!= NL80211_IFTYPE_P2P_GO
))
7898 * Remove empty counters, assuming Probe Response and Beacon frame
7899 * counters match. This implementation assumes that there are only two
7902 if (settings
->counter_offset_beacon
[0] &&
7903 !settings
->counter_offset_beacon
[1]) {
7905 } else if (settings
->counter_offset_beacon
[1] &&
7906 !settings
->counter_offset_beacon
[0]) {
7908 settings
->counter_offset_beacon
[0] =
7909 settings
->counter_offset_beacon
[1];
7910 settings
->counter_offset_presp
[0] =
7911 settings
->counter_offset_presp
[1];
7912 } else if (settings
->counter_offset_beacon
[1] &&
7913 settings
->counter_offset_beacon
[0]) {
7916 wpa_printf(MSG_ERROR
, "nl80211: No CSA counters provided");
7920 /* Check CSA counters validity */
7921 if (drv
->capa
.max_csa_counters
&&
7922 csa_off_len
> drv
->capa
.max_csa_counters
) {
7923 wpa_printf(MSG_ERROR
,
7924 "nl80211: Too many CSA counters provided");
7928 if (!settings
->beacon_csa
.tail
)
7931 for (i
= 0; i
< csa_off_len
; i
++) {
7932 u16 csa_c_off_bcn
= settings
->counter_offset_beacon
[i
];
7933 u16 csa_c_off_presp
= settings
->counter_offset_presp
[i
];
7935 if ((settings
->beacon_csa
.tail_len
<= csa_c_off_bcn
) ||
7936 (settings
->beacon_csa
.tail
[csa_c_off_bcn
] !=
7937 settings
->cs_count
))
7940 if (settings
->beacon_csa
.probe_resp
&&
7941 ((settings
->beacon_csa
.probe_resp_len
<=
7943 (settings
->beacon_csa
.probe_resp
[csa_c_off_presp
] !=
7944 settings
->cs_count
)))
7948 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_CHANNEL_SWITCH
)) ||
7949 nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
,
7950 settings
->cs_count
) ||
7951 (ret
= nl80211_put_freq_params(msg
, &settings
->freq_params
)) ||
7952 (settings
->block_tx
&&
7953 nla_put_flag(msg
, NL80211_ATTR_CH_SWITCH_BLOCK_TX
)))
7956 /* beacon_after params */
7957 ret
= set_beacon_data(msg
, &settings
->beacon_after
);
7961 /* beacon_csa params */
7962 beacon_csa
= nla_nest_start(msg
, NL80211_ATTR_CSA_IES
);
7966 ret
= set_beacon_data(msg
, &settings
->beacon_csa
);
7970 if (nla_put(msg
, NL80211_ATTR_CSA_C_OFF_BEACON
,
7971 csa_off_len
* sizeof(u16
),
7972 settings
->counter_offset_beacon
) ||
7973 (settings
->beacon_csa
.probe_resp
&&
7974 nla_put(msg
, NL80211_ATTR_CSA_C_OFF_PRESP
,
7975 csa_off_len
* sizeof(u16
),
7976 settings
->counter_offset_presp
)))
7979 nla_nest_end(msg
, beacon_csa
);
7980 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7982 wpa_printf(MSG_DEBUG
, "nl80211: switch_channel failed err=%d (%s)",
7983 ret
, strerror(-ret
));
7991 wpa_printf(MSG_DEBUG
, "nl80211: Could not build channel switch request");
7996 static int nl80211_add_ts(void *priv
, u8 tsid
, const u8
*addr
,
7997 u8 user_priority
, u16 admitted_time
)
7999 struct i802_bss
*bss
= priv
;
8000 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8004 wpa_printf(MSG_DEBUG
,
8005 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
8006 tsid
, admitted_time
, user_priority
);
8008 if (!is_sta_interface(drv
->nlmode
))
8011 msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_ADD_TX_TS
);
8013 nla_put_u8(msg
, NL80211_ATTR_TSID
, tsid
) ||
8014 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
8015 nla_put_u8(msg
, NL80211_ATTR_USER_PRIO
, user_priority
) ||
8016 nla_put_u16(msg
, NL80211_ATTR_ADMITTED_TIME
, admitted_time
)) {
8021 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8023 wpa_printf(MSG_DEBUG
, "nl80211: add_ts failed err=%d (%s)",
8024 ret
, strerror(-ret
));
8029 static int nl80211_del_ts(void *priv
, u8 tsid
, const u8
*addr
)
8031 struct i802_bss
*bss
= priv
;
8032 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8036 wpa_printf(MSG_DEBUG
, "nl80211: del_ts request: tsid=%u", tsid
);
8038 if (!is_sta_interface(drv
->nlmode
))
8041 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_DEL_TX_TS
)) ||
8042 nla_put_u8(msg
, NL80211_ATTR_TSID
, tsid
) ||
8043 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) {
8048 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8050 wpa_printf(MSG_DEBUG
, "nl80211: del_ts failed err=%d (%s)",
8051 ret
, strerror(-ret
));
8056 #ifdef CONFIG_TESTING_OPTIONS
8057 static int cmd_reply_handler(struct nl_msg
*msg
, void *arg
)
8059 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
8060 struct wpabuf
*buf
= arg
;
8065 if ((size_t) genlmsg_attrlen(gnlh
, 0) > wpabuf_tailroom(buf
)) {
8066 wpa_printf(MSG_INFO
, "nl80211: insufficient buffer space for reply");
8070 wpabuf_put_data(buf
, genlmsg_attrdata(gnlh
, 0),
8071 genlmsg_attrlen(gnlh
, 0));
8075 #endif /* CONFIG_TESTING_OPTIONS */
8078 static int vendor_reply_handler(struct nl_msg
*msg
, void *arg
)
8080 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
8081 struct nlattr
*nl_vendor_reply
, *nl
;
8082 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
8083 struct wpabuf
*buf
= arg
;
8089 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
8090 genlmsg_attrlen(gnlh
, 0), NULL
);
8091 nl_vendor_reply
= tb
[NL80211_ATTR_VENDOR_DATA
];
8093 if (!nl_vendor_reply
)
8096 if ((size_t) nla_len(nl_vendor_reply
) > wpabuf_tailroom(buf
)) {
8097 wpa_printf(MSG_INFO
, "nl80211: Vendor command: insufficient buffer space for reply");
8101 nla_for_each_nested(nl
, nl_vendor_reply
, rem
) {
8102 wpabuf_put_data(buf
, nla_data(nl
), nla_len(nl
));
8109 static int nl80211_vendor_cmd(void *priv
, unsigned int vendor_id
,
8110 unsigned int subcmd
, const u8
*data
,
8111 size_t data_len
, struct wpabuf
*buf
)
8113 struct i802_bss
*bss
= priv
;
8114 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8118 #ifdef CONFIG_TESTING_OPTIONS
8119 if (vendor_id
== 0xffffffff) {
8120 msg
= nlmsg_alloc();
8124 nl80211_cmd(drv
, msg
, 0, subcmd
);
8125 if (nlmsg_append(msg
, (void *) data
, data_len
, NLMSG_ALIGNTO
) <
8128 ret
= send_and_recv_msgs(drv
, msg
, cmd_reply_handler
, buf
);
8130 wpa_printf(MSG_DEBUG
, "nl80211: command failed err=%d",
8134 #endif /* CONFIG_TESTING_OPTIONS */
8136 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_VENDOR
)) ||
8137 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, vendor_id
) ||
8138 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
, subcmd
) ||
8140 nla_put(msg
, NL80211_ATTR_VENDOR_DATA
, data_len
, data
)))
8143 ret
= send_and_recv_msgs(drv
, msg
, vendor_reply_handler
, buf
);
8145 wpa_printf(MSG_DEBUG
, "nl80211: vendor command failed err=%d",
8155 static int nl80211_set_qos_map(void *priv
, const u8
*qos_map_set
,
8158 struct i802_bss
*bss
= priv
;
8159 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8163 wpa_hexdump(MSG_DEBUG
, "nl80211: Setting QoS Map",
8164 qos_map_set
, qos_map_set_len
);
8166 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_SET_QOS_MAP
)) ||
8167 nla_put(msg
, NL80211_ATTR_QOS_MAP
, qos_map_set_len
, qos_map_set
)) {
8172 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8174 wpa_printf(MSG_DEBUG
, "nl80211: Setting QoS Map failed");
8180 static int nl80211_set_wowlan(void *priv
,
8181 const struct wowlan_triggers
*triggers
)
8183 struct i802_bss
*bss
= priv
;
8184 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8186 struct nlattr
*wowlan_triggers
;
8189 wpa_printf(MSG_DEBUG
, "nl80211: Setting wowlan");
8191 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_SET_WOWLAN
)) ||
8192 !(wowlan_triggers
= nla_nest_start(msg
,
8193 NL80211_ATTR_WOWLAN_TRIGGERS
)) ||
8195 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8196 (triggers
->disconnect
&&
8197 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8198 (triggers
->magic_pkt
&&
8199 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8200 (triggers
->gtk_rekey_failure
&&
8201 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8202 (triggers
->eap_identity_req
&&
8203 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8204 (triggers
->four_way_handshake
&&
8205 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8206 (triggers
->rfkill_release
&&
8207 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))) {
8212 nla_nest_end(msg
, wowlan_triggers
);
8214 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8216 wpa_printf(MSG_DEBUG
, "nl80211: Setting wowlan failed");
8222 #ifdef CONFIG_DRIVER_NL80211_QCA
8223 static int nl80211_roaming(void *priv
, int allowed
, const u8
*bssid
)
8225 struct i802_bss
*bss
= priv
;
8226 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8228 struct nlattr
*params
;
8230 wpa_printf(MSG_DEBUG
, "nl80211: Roaming policy: allowed=%d", allowed
);
8232 if (!drv
->roaming_vendor_cmd_avail
) {
8233 wpa_printf(MSG_DEBUG
,
8234 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
8238 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
8239 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
8240 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
8241 QCA_NL80211_VENDOR_SUBCMD_ROAMING
) ||
8242 !(params
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
8243 nla_put_u32(msg
, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY
,
8244 allowed
? QCA_ROAMING_ALLOWED_WITHIN_ESS
:
8245 QCA_ROAMING_NOT_ALLOWED
) ||
8247 nla_put(msg
, QCA_WLAN_VENDOR_ATTR_MAC_ADDR
, ETH_ALEN
, bssid
))) {
8251 nla_nest_end(msg
, params
);
8253 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8255 #endif /* CONFIG_DRIVER_NL80211_QCA */
8258 static int nl80211_set_mac_addr(void *priv
, const u8
*addr
)
8260 struct i802_bss
*bss
= priv
;
8261 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8262 int new_addr
= addr
!= NULL
;
8265 addr
= drv
->perm_addr
;
8267 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
, 0) < 0)
8270 if (linux_set_ifhwaddr(drv
->global
->ioctl_sock
, bss
->ifname
, addr
) < 0)
8272 wpa_printf(MSG_DEBUG
,
8273 "nl80211: failed to set_mac_addr for %s to " MACSTR
,
8274 bss
->ifname
, MAC2STR(addr
));
8275 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
,
8277 wpa_printf(MSG_DEBUG
,
8278 "nl80211: Could not restore interface UP after failed set_mac_addr");
8283 wpa_printf(MSG_DEBUG
, "nl80211: set_mac_addr for %s to " MACSTR
,
8284 bss
->ifname
, MAC2STR(addr
));
8285 drv
->addr_changed
= new_addr
;
8286 os_memcpy(bss
->addr
, addr
, ETH_ALEN
);
8288 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
, 1) < 0)
8290 wpa_printf(MSG_DEBUG
,
8291 "nl80211: Could not restore interface UP after set_mac_addr");
8300 static int wpa_driver_nl80211_init_mesh(void *priv
)
8302 if (wpa_driver_nl80211_set_mode(priv
, NL80211_IFTYPE_MESH_POINT
)) {
8303 wpa_printf(MSG_INFO
,
8304 "nl80211: Failed to set interface into mesh mode");
8311 static int nl80211_put_mesh_id(struct nl_msg
*msg
, const u8
*mesh_id
,
8315 wpa_hexdump_ascii(MSG_DEBUG
, " * Mesh ID (SSID)",
8316 mesh_id
, mesh_id_len
);
8317 return nla_put(msg
, NL80211_ATTR_MESH_ID
, mesh_id_len
, mesh_id
);
8324 static int nl80211_join_mesh(struct i802_bss
*bss
,
8325 struct wpa_driver_mesh_join_params
*params
)
8327 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8329 struct nlattr
*container
;
8332 wpa_printf(MSG_DEBUG
, "nl80211: mesh join (ifindex=%d)", drv
->ifindex
);
8333 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_JOIN_MESH
);
8335 nl80211_put_freq_params(msg
, ¶ms
->freq
) ||
8336 nl80211_put_basic_rates(msg
, params
->basic_rates
) ||
8337 nl80211_put_mesh_id(msg
, params
->meshid
, params
->meshid_len
) ||
8338 nl80211_put_beacon_int(msg
, params
->beacon_int
))
8341 wpa_printf(MSG_DEBUG
, " * flags=%08X", params
->flags
);
8343 container
= nla_nest_start(msg
, NL80211_ATTR_MESH_SETUP
);
8348 wpa_hexdump(MSG_DEBUG
, " * IEs", params
->ies
, params
->ie_len
);
8349 if (nla_put(msg
, NL80211_MESH_SETUP_IE
, params
->ie_len
,
8353 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
8354 if (params
->flags
& WPA_DRIVER_MESH_FLAG_SAE_AUTH
) {
8355 if (nla_put_u8(msg
, NL80211_MESH_SETUP_AUTH_PROTOCOL
, 0x1) ||
8356 nla_put_flag(msg
, NL80211_MESH_SETUP_USERSPACE_AUTH
))
8359 if ((params
->flags
& WPA_DRIVER_MESH_FLAG_AMPE
) &&
8360 nla_put_flag(msg
, NL80211_MESH_SETUP_USERSPACE_AMPE
))
8362 if ((params
->flags
& WPA_DRIVER_MESH_FLAG_USER_MPM
) &&
8363 nla_put_flag(msg
, NL80211_MESH_SETUP_USERSPACE_MPM
))
8365 nla_nest_end(msg
, container
);
8367 container
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
8371 if (!(params
->conf
.flags
& WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS
) &&
8372 nla_put_u32(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
, 0))
8374 if ((params
->conf
.flags
& WPA_DRIVER_MESH_FLAG_DRIVER_MPM
) &&
8375 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
8376 params
->max_peer_links
))
8380 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
8381 * the timer could disconnect stations even in that case.
8383 if (nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
8384 params
->conf
.peer_link_timeout
)) {
8385 wpa_printf(MSG_ERROR
, "nl80211: Failed to set PLINK_TIMEOUT");
8389 nla_nest_end(msg
, container
);
8391 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8394 wpa_printf(MSG_DEBUG
, "nl80211: mesh join failed: ret=%d (%s)",
8395 ret
, strerror(-ret
));
8399 bss
->freq
= params
->freq
.freq
;
8400 wpa_printf(MSG_DEBUG
, "nl80211: mesh join request send successfully");
8409 wpa_driver_nl80211_join_mesh(void *priv
,
8410 struct wpa_driver_mesh_join_params
*params
)
8412 struct i802_bss
*bss
= priv
;
8415 timeout
= params
->conf
.peer_link_timeout
;
8417 /* Disable kernel inactivity timer */
8418 if (params
->flags
& WPA_DRIVER_MESH_FLAG_USER_MPM
)
8419 params
->conf
.peer_link_timeout
= 0;
8421 ret
= nl80211_join_mesh(bss
, params
);
8422 if (ret
== -EINVAL
&& params
->conf
.peer_link_timeout
== 0) {
8423 wpa_printf(MSG_DEBUG
,
8424 "nl80211: Mesh join retry for peer_link_timeout");
8426 * Old kernel does not support setting
8427 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
8428 * into future from peer_link_timeout.
8430 params
->conf
.peer_link_timeout
= timeout
+ 60;
8431 ret
= nl80211_join_mesh(priv
, params
);
8434 params
->conf
.peer_link_timeout
= timeout
;
8439 static int wpa_driver_nl80211_leave_mesh(void *priv
)
8441 struct i802_bss
*bss
= priv
;
8442 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8446 wpa_printf(MSG_DEBUG
, "nl80211: mesh leave (ifindex=%d)", drv
->ifindex
);
8447 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_LEAVE_MESH
);
8448 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8450 wpa_printf(MSG_DEBUG
, "nl80211: mesh leave failed: ret=%d (%s)",
8451 ret
, strerror(-ret
));
8453 wpa_printf(MSG_DEBUG
,
8454 "nl80211: mesh leave request send successfully");
8457 if (wpa_driver_nl80211_set_mode(drv
->first_bss
,
8458 NL80211_IFTYPE_STATION
)) {
8459 wpa_printf(MSG_INFO
,
8460 "nl80211: Failed to set interface into station mode");
8465 #endif /* CONFIG_MESH */
8468 static int wpa_driver_br_add_ip_neigh(void *priv
, u8 version
,
8469 const u8
*ipaddr
, int prefixlen
,
8472 #ifdef CONFIG_LIBNL3_ROUTE
8473 struct i802_bss
*bss
= priv
;
8474 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8475 struct rtnl_neigh
*rn
;
8476 struct nl_addr
*nl_ipaddr
= NULL
;
8477 struct nl_addr
*nl_lladdr
= NULL
;
8478 int family
, addrsize
;
8481 if (!ipaddr
|| prefixlen
== 0 || !addr
)
8484 if (bss
->br_ifindex
== 0) {
8485 wpa_printf(MSG_DEBUG
,
8486 "nl80211: bridge must be set before adding an ip neigh to it");
8490 if (!drv
->rtnl_sk
) {
8491 wpa_printf(MSG_DEBUG
,
8492 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8499 } else if (version
== 6) {
8506 rn
= rtnl_neigh_alloc();
8510 /* set the destination ip address for neigh */
8511 nl_ipaddr
= nl_addr_build(family
, (void *) ipaddr
, addrsize
);
8512 if (nl_ipaddr
== NULL
) {
8513 wpa_printf(MSG_DEBUG
, "nl80211: nl_ipaddr build failed");
8517 nl_addr_set_prefixlen(nl_ipaddr
, prefixlen
);
8518 res
= rtnl_neigh_set_dst(rn
, nl_ipaddr
);
8520 wpa_printf(MSG_DEBUG
,
8521 "nl80211: neigh set destination addr failed");
8525 /* set the corresponding lladdr for neigh */
8526 nl_lladdr
= nl_addr_build(AF_BRIDGE
, (u8
*) addr
, ETH_ALEN
);
8527 if (nl_lladdr
== NULL
) {
8528 wpa_printf(MSG_DEBUG
, "nl80211: neigh set lladdr failed");
8532 rtnl_neigh_set_lladdr(rn
, nl_lladdr
);
8534 rtnl_neigh_set_ifindex(rn
, bss
->br_ifindex
);
8535 rtnl_neigh_set_state(rn
, NUD_PERMANENT
);
8537 res
= rtnl_neigh_add(drv
->rtnl_sk
, rn
, NLM_F_CREATE
);
8539 wpa_printf(MSG_DEBUG
,
8540 "nl80211: Adding bridge ip neigh failed: %s",
8545 nl_addr_put(nl_lladdr
);
8547 nl_addr_put(nl_ipaddr
);
8551 #else /* CONFIG_LIBNL3_ROUTE */
8553 #endif /* CONFIG_LIBNL3_ROUTE */
8557 static int wpa_driver_br_delete_ip_neigh(void *priv
, u8 version
,
8560 #ifdef CONFIG_LIBNL3_ROUTE
8561 struct i802_bss
*bss
= priv
;
8562 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8563 struct rtnl_neigh
*rn
;
8564 struct nl_addr
*nl_ipaddr
;
8565 int family
, addrsize
;
8574 } else if (version
== 6) {
8581 if (bss
->br_ifindex
== 0) {
8582 wpa_printf(MSG_DEBUG
,
8583 "nl80211: bridge must be set to delete an ip neigh");
8587 if (!drv
->rtnl_sk
) {
8588 wpa_printf(MSG_DEBUG
,
8589 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8593 rn
= rtnl_neigh_alloc();
8597 /* set the destination ip address for neigh */
8598 nl_ipaddr
= nl_addr_build(family
, (void *) ipaddr
, addrsize
);
8599 if (nl_ipaddr
== NULL
) {
8600 wpa_printf(MSG_DEBUG
, "nl80211: nl_ipaddr build failed");
8604 res
= rtnl_neigh_set_dst(rn
, nl_ipaddr
);
8606 wpa_printf(MSG_DEBUG
,
8607 "nl80211: neigh set destination addr failed");
8611 rtnl_neigh_set_ifindex(rn
, bss
->br_ifindex
);
8613 res
= rtnl_neigh_delete(drv
->rtnl_sk
, rn
, 0);
8615 wpa_printf(MSG_DEBUG
,
8616 "nl80211: Deleting bridge ip neigh failed: %s",
8621 nl_addr_put(nl_ipaddr
);
8625 #else /* CONFIG_LIBNL3_ROUTE */
8627 #endif /* CONFIG_LIBNL3_ROUTE */
8631 static int linux_write_system_file(const char *path
, unsigned int val
)
8636 len
= os_snprintf(buf
, sizeof(buf
), "%u\n", val
);
8637 if (os_snprintf_error(sizeof(buf
), len
))
8640 fd
= open(path
, O_WRONLY
);
8644 if (write(fd
, buf
, len
) < 0) {
8645 wpa_printf(MSG_DEBUG
,
8646 "nl80211: Failed to write Linux system file: %s with the value of %d",
8657 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr
)
8660 case DRV_BR_PORT_ATTR_PROXYARP
:
8661 return "proxyarp_wifi";
8662 case DRV_BR_PORT_ATTR_HAIRPIN_MODE
:
8663 return "hairpin_mode";
8670 static int wpa_driver_br_port_set_attr(void *priv
, enum drv_br_port_attr attr
,
8673 struct i802_bss
*bss
= priv
;
8675 const char *attr_txt
;
8677 attr_txt
= drv_br_port_attr_str(attr
);
8678 if (attr_txt
== NULL
)
8681 os_snprintf(path
, sizeof(path
), "/sys/class/net/%s/brport/%s",
8682 bss
->ifname
, attr_txt
);
8684 if (linux_write_system_file(path
, val
))
8691 static const char * drv_br_net_param_str(enum drv_br_net_param param
)
8694 case DRV_BR_NET_PARAM_GARP_ACCEPT
:
8695 return "arp_accept";
8702 static int wpa_driver_br_set_net_param(void *priv
, enum drv_br_net_param param
,
8705 struct i802_bss
*bss
= priv
;
8707 const char *param_txt
;
8710 if (param
== DRV_BR_MULTICAST_SNOOPING
) {
8711 os_snprintf(path
, sizeof(path
),
8712 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
8717 param_txt
= drv_br_net_param_str(param
);
8718 if (param_txt
== NULL
)
8722 case DRV_BR_NET_PARAM_GARP_ACCEPT
:
8729 os_snprintf(path
, sizeof(path
), "/proc/sys/net/ipv%d/conf/%s/%s",
8730 ip_version
, bss
->brname
, param_txt
);
8733 if (linux_write_system_file(path
, val
))
8740 #ifdef CONFIG_DRIVER_NL80211_QCA
8742 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode
)
8745 case HOSTAPD_MODE_IEEE80211B
:
8746 return QCA_ACS_MODE_IEEE80211B
;
8747 case HOSTAPD_MODE_IEEE80211G
:
8748 return QCA_ACS_MODE_IEEE80211G
;
8749 case HOSTAPD_MODE_IEEE80211A
:
8750 return QCA_ACS_MODE_IEEE80211A
;
8751 case HOSTAPD_MODE_IEEE80211AD
:
8752 return QCA_ACS_MODE_IEEE80211AD
;
8753 case HOSTAPD_MODE_IEEE80211ANY
:
8754 return QCA_ACS_MODE_IEEE80211ANY
;
8761 static int add_acs_freq_list(struct nl_msg
*msg
, const int *freq_list
)
8768 len
= int_array_len(freq_list
);
8769 freqs
= os_malloc(sizeof(u32
) * len
);
8772 for (i
= 0; i
< len
; i
++)
8773 freqs
[i
] = freq_list
[i
];
8774 ret
= nla_put(msg
, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST
,
8775 sizeof(u32
) * len
, freqs
);
8781 static int wpa_driver_do_acs(void *priv
, struct drv_acs_params
*params
)
8783 struct i802_bss
*bss
= priv
;
8784 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8786 struct nlattr
*data
;
8790 mode
= hw_mode_to_qca_acs(params
->hw_mode
);
8794 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
8795 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
8796 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
8797 QCA_NL80211_VENDOR_SUBCMD_DO_ACS
) ||
8798 !(data
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
8799 nla_put_u8(msg
, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE
, mode
) ||
8800 (params
->ht_enabled
&&
8801 nla_put_flag(msg
, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED
)) ||
8802 (params
->ht40_enabled
&&
8803 nla_put_flag(msg
, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED
)) ||
8804 (params
->vht_enabled
&&
8805 nla_put_flag(msg
, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED
)) ||
8806 nla_put_u16(msg
, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH
,
8807 params
->ch_width
) ||
8808 (params
->ch_list_len
&&
8809 nla_put(msg
, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST
, params
->ch_list_len
,
8810 params
->ch_list
)) ||
8811 add_acs_freq_list(msg
, params
->freq_list
)) {
8815 nla_nest_end(msg
, data
);
8817 wpa_printf(MSG_DEBUG
,
8818 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
8819 params
->hw_mode
, params
->ht_enabled
, params
->ht40_enabled
,
8820 params
->vht_enabled
, params
->ch_width
, params
->ch_list_len
);
8822 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8824 wpa_printf(MSG_DEBUG
,
8825 "nl80211: Failed to invoke driver ACS function: %s",
8832 static int nl80211_set_band(void *priv
, enum set_band band
)
8834 struct i802_bss
*bss
= priv
;
8835 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8837 struct nlattr
*data
;
8839 enum qca_set_band qca_band
;
8841 if (!drv
->setband_vendor_cmd_avail
)
8845 case WPA_SETBAND_AUTO
:
8846 qca_band
= QCA_SETBAND_AUTO
;
8848 case WPA_SETBAND_5G
:
8849 qca_band
= QCA_SETBAND_5G
;
8851 case WPA_SETBAND_2G
:
8852 qca_band
= QCA_SETBAND_2G
;
8858 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
8859 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
8860 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
8861 QCA_NL80211_VENDOR_SUBCMD_SETBAND
) ||
8862 !(data
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
8863 nla_put_u32(msg
, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE
, qca_band
)) {
8867 nla_nest_end(msg
, data
);
8869 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8871 wpa_printf(MSG_DEBUG
,
8872 "nl80211: Driver setband function failed: %s",
8879 struct nl80211_pcl
{
8881 unsigned int *freq_list
;
8884 static int preferred_freq_info_handler(struct nl_msg
*msg
, void *arg
)
8886 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
8887 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
8888 struct nl80211_pcl
*param
= arg
;
8889 struct nlattr
*nl_vend
, *attr
;
8890 enum qca_iface_type iface_type
;
8891 struct nlattr
*tb_vendor
[QCA_WLAN_VENDOR_ATTR_MAX
+ 1];
8892 unsigned int num
, max_num
;
8895 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
8896 genlmsg_attrlen(gnlh
, 0), NULL
);
8898 nl_vend
= tb
[NL80211_ATTR_VENDOR_DATA
];
8902 nla_parse(tb_vendor
, QCA_WLAN_VENDOR_ATTR_MAX
,
8903 nla_data(nl_vend
), nla_len(nl_vend
), NULL
);
8906 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE
];
8908 wpa_printf(MSG_ERROR
, "nl80211: iface_type couldn't be found");
8913 iface_type
= (enum qca_iface_type
) nla_get_u32(attr
);
8914 wpa_printf(MSG_DEBUG
, "nl80211: Driver returned iface_type=%d",
8917 attr
= tb_vendor
[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST
];
8919 wpa_printf(MSG_ERROR
,
8920 "nl80211: preferred_freq_list couldn't be found");
8926 * param->num has the maximum number of entries for which there
8927 * is room in the freq_list provided by the caller.
8929 freqs
= nla_data(attr
);
8930 max_num
= nla_len(attr
) / sizeof(u32
);
8931 if (max_num
> param
->num
)
8932 max_num
= param
->num
;
8933 for (num
= 0; num
< max_num
; num
++)
8934 param
->freq_list
[num
] = freqs
[num
];
8941 static int nl80211_get_pref_freq_list(void *priv
,
8942 enum wpa_driver_if_type if_type
,
8944 unsigned int *freq_list
)
8946 struct i802_bss
*bss
= priv
;
8947 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8951 struct nlattr
*params
;
8952 struct nl80211_pcl param
;
8953 enum qca_iface_type iface_type
;
8955 if (!drv
->get_pref_freq_list
)
8959 case WPA_IF_STATION
:
8960 iface_type
= QCA_IFACE_TYPE_STA
;
8963 iface_type
= QCA_IFACE_TYPE_AP
;
8966 iface_type
= QCA_IFACE_TYPE_P2P_GO
;
8968 case WPA_IF_P2P_CLIENT
:
8969 iface_type
= QCA_IFACE_TYPE_P2P_CLIENT
;
8972 iface_type
= QCA_IFACE_TYPE_IBSS
;
8975 iface_type
= QCA_IFACE_TYPE_TDLS
;
8982 param
.freq_list
= freq_list
;
8984 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
8985 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, drv
->ifindex
) ||
8986 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
8987 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
8988 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST
) ||
8989 !(params
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
8991 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE
,
8993 wpa_printf(MSG_ERROR
,
8994 "%s: err in adding vendor_cmd and vendor_data",
8999 nla_nest_end(msg
, params
);
9001 os_memset(freq_list
, 0, *num
* sizeof(freq_list
[0]));
9002 ret
= send_and_recv_msgs(drv
, msg
, preferred_freq_info_handler
, ¶m
);
9004 wpa_printf(MSG_ERROR
,
9005 "%s: err in send_and_recv_msgs", __func__
);
9011 for (i
= 0; i
< *num
; i
++) {
9012 wpa_printf(MSG_DEBUG
, "nl80211: preferred_channel_list[%d]=%d",
9020 static int nl80211_set_prob_oper_freq(void *priv
, unsigned int freq
)
9022 struct i802_bss
*bss
= priv
;
9023 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
9026 struct nlattr
*params
;
9028 if (!drv
->set_prob_oper_freq
)
9031 wpa_printf(MSG_DEBUG
,
9032 "nl80211: Set P2P probable operating freq %u for ifindex %d",
9033 freq
, bss
->ifindex
);
9035 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
9036 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
9037 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
9038 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL
) ||
9039 !(params
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
9041 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE
,
9042 QCA_IFACE_TYPE_P2P_CLIENT
) ||
9044 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ
,
9046 wpa_printf(MSG_ERROR
,
9047 "%s: err in adding vendor_cmd and vendor_data",
9052 nla_nest_end(msg
, params
);
9054 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
9057 wpa_printf(MSG_ERROR
, "%s: err in send_and_recv_msgs",
9065 #endif /* CONFIG_DRIVER_NL80211_QCA */
9068 static int nl80211_write_to_file(const char *name
, unsigned int val
)
9073 fd
= open(name
, O_RDWR
);
9075 wpa_printf(MSG_ERROR
, "nl80211: Failed to open %s: %s",
9076 name
, strerror(errno
));
9080 len
= os_snprintf(tmp
, sizeof(tmp
), "%u\n", val
);
9081 len
= write(fd
, tmp
, len
);
9083 wpa_printf(MSG_ERROR
, "nl80211: Failed to write to %s: %s",
9084 name
, strerror(errno
));
9091 static int nl80211_configure_data_frame_filters(void *priv
, u32 filter_flags
)
9093 struct i802_bss
*bss
= priv
;
9097 wpa_printf(MSG_DEBUG
, "nl80211: Data frame filter flags=0x%x",
9100 /* Configure filtering of unicast frame encrypted using GTK */
9101 ret
= os_snprintf(path
, sizeof(path
),
9102 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
9104 if (os_snprintf_error(sizeof(path
), ret
))
9107 ret
= nl80211_write_to_file(path
,
9109 WPA_DATA_FRAME_FILTER_FLAG_GTK
));
9111 wpa_printf(MSG_ERROR
,
9112 "nl80211: Failed to set IPv4 unicast in multicast filter");
9116 os_snprintf(path
, sizeof(path
),
9117 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
9119 ret
= nl80211_write_to_file(path
,
9121 WPA_DATA_FRAME_FILTER_FLAG_GTK
));
9124 wpa_printf(MSG_ERROR
,
9125 "nl80211: Failed to set IPv6 unicast in multicast filter");
9129 /* Configure filtering of unicast frame encrypted using GTK */
9130 os_snprintf(path
, sizeof(path
),
9131 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
9133 ret
= nl80211_write_to_file(path
,
9135 WPA_DATA_FRAME_FILTER_FLAG_ARP
));
9137 wpa_printf(MSG_ERROR
,
9138 "nl80211: Failed set gratuitous ARP filter");
9142 /* Configure filtering of IPv6 NA frames */
9143 os_snprintf(path
, sizeof(path
),
9144 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
9146 ret
= nl80211_write_to_file(path
,
9148 WPA_DATA_FRAME_FILTER_FLAG_NA
));
9150 wpa_printf(MSG_ERROR
,
9151 "nl80211: Failed to set unsolicited NA filter");
9159 const struct wpa_driver_ops wpa_driver_nl80211_ops
= {
9161 .desc
= "Linux nl80211/cfg80211",
9162 .get_bssid
= wpa_driver_nl80211_get_bssid
,
9163 .get_ssid
= wpa_driver_nl80211_get_ssid
,
9164 .set_key
= driver_nl80211_set_key
,
9165 .scan2
= driver_nl80211_scan2
,
9166 .sched_scan
= wpa_driver_nl80211_sched_scan
,
9167 .stop_sched_scan
= wpa_driver_nl80211_stop_sched_scan
,
9168 .get_scan_results2
= wpa_driver_nl80211_get_scan_results
,
9169 .abort_scan
= wpa_driver_nl80211_abort_scan
,
9170 .deauthenticate
= driver_nl80211_deauthenticate
,
9171 .authenticate
= driver_nl80211_authenticate
,
9172 .associate
= wpa_driver_nl80211_associate
,
9173 .global_init
= nl80211_global_init
,
9174 .global_deinit
= nl80211_global_deinit
,
9175 .init2
= wpa_driver_nl80211_init
,
9176 .deinit
= driver_nl80211_deinit
,
9177 .get_capa
= wpa_driver_nl80211_get_capa
,
9178 .set_operstate
= wpa_driver_nl80211_set_operstate
,
9179 .set_supp_port
= wpa_driver_nl80211_set_supp_port
,
9180 .set_country
= wpa_driver_nl80211_set_country
,
9181 .get_country
= wpa_driver_nl80211_get_country
,
9182 .set_ap
= wpa_driver_nl80211_set_ap
,
9183 .set_acl
= wpa_driver_nl80211_set_acl
,
9184 .if_add
= wpa_driver_nl80211_if_add
,
9185 .if_remove
= driver_nl80211_if_remove
,
9186 .send_mlme
= driver_nl80211_send_mlme
,
9187 .get_hw_feature_data
= nl80211_get_hw_feature_data
,
9188 .sta_add
= wpa_driver_nl80211_sta_add
,
9189 .sta_remove
= driver_nl80211_sta_remove
,
9190 .hapd_send_eapol
= wpa_driver_nl80211_hapd_send_eapol
,
9191 .sta_set_flags
= wpa_driver_nl80211_sta_set_flags
,
9192 .hapd_init
= i802_init
,
9193 .hapd_deinit
= i802_deinit
,
9194 .set_wds_sta
= i802_set_wds_sta
,
9195 .get_seqnum
= i802_get_seqnum
,
9196 .flush
= i802_flush
,
9197 .get_inact_sec
= i802_get_inact_sec
,
9198 .sta_clear_stats
= i802_sta_clear_stats
,
9199 .set_rts
= i802_set_rts
,
9200 .set_frag
= i802_set_frag
,
9201 .set_tx_queue_params
= i802_set_tx_queue_params
,
9202 .set_sta_vlan
= driver_nl80211_set_sta_vlan
,
9203 .sta_deauth
= i802_sta_deauth
,
9204 .sta_disassoc
= i802_sta_disassoc
,
9205 .read_sta_data
= driver_nl80211_read_sta_data
,
9206 .set_freq
= i802_set_freq
,
9207 .send_action
= driver_nl80211_send_action
,
9208 .send_action_cancel_wait
= wpa_driver_nl80211_send_action_cancel_wait
,
9209 .remain_on_channel
= wpa_driver_nl80211_remain_on_channel
,
9210 .cancel_remain_on_channel
=
9211 wpa_driver_nl80211_cancel_remain_on_channel
,
9212 .probe_req_report
= driver_nl80211_probe_req_report
,
9213 .deinit_ap
= wpa_driver_nl80211_deinit_ap
,
9214 .deinit_p2p_cli
= wpa_driver_nl80211_deinit_p2p_cli
,
9215 .resume
= wpa_driver_nl80211_resume
,
9216 .signal_monitor
= nl80211_signal_monitor
,
9217 .signal_poll
= nl80211_signal_poll
,
9218 .send_frame
= nl80211_send_frame
,
9219 .set_param
= nl80211_set_param
,
9220 .get_radio_name
= nl80211_get_radio_name
,
9221 .add_pmkid
= nl80211_add_pmkid
,
9222 .remove_pmkid
= nl80211_remove_pmkid
,
9223 .flush_pmkid
= nl80211_flush_pmkid
,
9224 .set_rekey_info
= nl80211_set_rekey_info
,
9225 .poll_client
= nl80211_poll_client
,
9226 .set_p2p_powersave
= nl80211_set_p2p_powersave
,
9227 .start_dfs_cac
= nl80211_start_radar_detection
,
9228 .stop_ap
= wpa_driver_nl80211_stop_ap
,
9230 .send_tdls_mgmt
= nl80211_send_tdls_mgmt
,
9231 .tdls_oper
= nl80211_tdls_oper
,
9232 .tdls_enable_channel_switch
= nl80211_tdls_enable_channel_switch
,
9233 .tdls_disable_channel_switch
= nl80211_tdls_disable_channel_switch
,
9234 #endif /* CONFIG_TDLS */
9235 .update_ft_ies
= wpa_driver_nl80211_update_ft_ies
,
9236 .get_mac_addr
= wpa_driver_nl80211_get_macaddr
,
9237 .get_survey
= wpa_driver_nl80211_get_survey
,
9238 .status
= wpa_driver_nl80211_status
,
9239 .switch_channel
= nl80211_switch_channel
,
9241 .set_noa
= wpa_driver_set_p2p_noa
,
9242 .get_noa
= wpa_driver_get_p2p_noa
,
9243 .set_ap_wps_ie
= wpa_driver_set_ap_wps_p2p_ie
,
9244 #endif /* ANDROID_P2P */
9246 #ifndef ANDROID_LIB_STUB
9247 .driver_cmd
= wpa_driver_nl80211_driver_cmd
,
9248 #endif /* !ANDROID_LIB_STUB */
9249 #endif /* ANDROID */
9250 .vendor_cmd
= nl80211_vendor_cmd
,
9251 .set_qos_map
= nl80211_set_qos_map
,
9252 .set_wowlan
= nl80211_set_wowlan
,
9253 #ifdef CONFIG_DRIVER_NL80211_QCA
9254 .roaming
= nl80211_roaming
,
9255 #endif /* CONFIG_DRIVER_NL80211_QCA */
9256 .set_mac_addr
= nl80211_set_mac_addr
,
9258 .init_mesh
= wpa_driver_nl80211_init_mesh
,
9259 .join_mesh
= wpa_driver_nl80211_join_mesh
,
9260 .leave_mesh
= wpa_driver_nl80211_leave_mesh
,
9261 #endif /* CONFIG_MESH */
9262 .br_add_ip_neigh
= wpa_driver_br_add_ip_neigh
,
9263 .br_delete_ip_neigh
= wpa_driver_br_delete_ip_neigh
,
9264 .br_port_set_attr
= wpa_driver_br_port_set_attr
,
9265 .br_set_net_param
= wpa_driver_br_set_net_param
,
9266 .add_tx_ts
= nl80211_add_ts
,
9267 .del_tx_ts
= nl80211_del_ts
,
9268 .get_ifindex
= nl80211_get_ifindex
,
9269 #ifdef CONFIG_DRIVER_NL80211_QCA
9270 .do_acs
= wpa_driver_do_acs
,
9271 .set_band
= nl80211_set_band
,
9272 .get_pref_freq_list
= nl80211_get_pref_freq_list
,
9273 .set_prob_oper_freq
= nl80211_set_prob_oper_freq
,
9274 #endif /* CONFIG_DRIVER_NL80211_QCA */
9275 .configure_data_frame_filters
= nl80211_configure_data_frame_filters
,