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_action_subscribe_ap(struct i802_bss
*bss
)
2061 /* Public Action frames */
2062 if (nl80211_register_action_frame(bss
, (u8
*) "\x04", 1) < 0)
2064 /* RRM Measurement Report */
2065 if (nl80211_register_action_frame(bss
, (u8
*) "\x05\x01", 2) < 0)
2067 /* RRM Neighbor Report Request */
2068 if (nl80211_register_action_frame(bss
, (u8
*) "\x05\x04", 2) < 0)
2070 /* FT Action frames */
2071 if (nl80211_register_action_frame(bss
, (u8
*) "\x06", 1) < 0)
2073 #ifdef CONFIG_IEEE80211W
2075 if (nl80211_register_action_frame(bss
, (u8
*) "\x08", 1) < 0)
2077 #endif /* CONFIG_IEEE80211W */
2078 /* Protected Dual of Public Action */
2079 if (nl80211_register_action_frame(bss
, (u8
*) "\x09", 1) < 0)
2082 if (nl80211_register_action_frame(bss
, (u8
*) "\x0a", 1) < 0)
2085 if (nl80211_register_action_frame(bss
, (u8
*) "\x11", 1) < 0)
2088 /* FST Action frames */
2089 if (nl80211_register_action_frame(bss
, (u8
*) "\x12", 1) < 0)
2091 #endif /* CONFIG_FST */
2092 /* Vendor-specific */
2093 if (nl80211_register_action_frame(bss
, (u8
*) "\x7f", 1) < 0)
2100 static int nl80211_mgmt_subscribe_ap(struct i802_bss
*bss
)
2102 static const int stypes
[] = {
2104 WLAN_FC_STYPE_ASSOC_REQ
,
2105 WLAN_FC_STYPE_REASSOC_REQ
,
2106 WLAN_FC_STYPE_DISASSOC
,
2107 WLAN_FC_STYPE_DEAUTH
,
2108 WLAN_FC_STYPE_PROBE_REQ
,
2109 /* Beacon doesn't work as mac80211 doesn't currently allow
2110 * it, but it wouldn't really be the right thing anyway as
2111 * it isn't per interface ... maybe just dump the scan
2112 * results periodically for OLBC?
2114 /* WLAN_FC_STYPE_BEACON, */
2118 if (nl80211_alloc_mgmt_handle(bss
))
2120 wpa_printf(MSG_DEBUG
, "nl80211: Subscribe to mgmt frames with AP "
2121 "handle %p", bss
->nl_mgmt
);
2123 for (i
= 0; i
< ARRAY_SIZE(stypes
); i
++) {
2124 if (nl80211_register_frame(bss
, bss
->nl_mgmt
,
2125 (WLAN_FC_TYPE_MGMT
<< 2) |
2132 if (nl80211_action_subscribe_ap(bss
))
2135 if (nl80211_register_spurious_class3(bss
))
2138 if (nl80211_get_wiphy_data_ap(bss
) == NULL
)
2141 nl80211_mgmt_handle_register_eloop(bss
);
2145 nl_destroy_handles(&bss
->nl_mgmt
);
2150 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss
*bss
)
2152 if (nl80211_alloc_mgmt_handle(bss
))
2154 wpa_printf(MSG_DEBUG
, "nl80211: Subscribe to mgmt frames with AP "
2155 "handle %p (device SME)", bss
->nl_mgmt
);
2157 if (nl80211_action_subscribe_ap(bss
))
2160 nl80211_mgmt_handle_register_eloop(bss
);
2164 nl_destroy_handles(&bss
->nl_mgmt
);
2169 static void nl80211_mgmt_unsubscribe(struct i802_bss
*bss
, const char *reason
)
2171 if (bss
->nl_mgmt
== NULL
)
2173 wpa_printf(MSG_DEBUG
, "nl80211: Unsubscribe mgmt frames handle %p "
2174 "(%s)", bss
->nl_mgmt
, reason
);
2175 nl80211_destroy_eloop_handle(&bss
->nl_mgmt
);
2177 nl80211_put_wiphy_data_ap(bss
);
2181 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx
, void *timeout_ctx
)
2183 wpa_supplicant_event(timeout_ctx
, EVENT_INTERFACE_DISABLED
, NULL
);
2187 static void nl80211_del_p2pdev(struct i802_bss
*bss
)
2192 msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_DEL_INTERFACE
);
2193 ret
= send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
2195 wpa_printf(MSG_DEBUG
, "nl80211: Delete P2P Device %s (0x%llx): %s",
2196 bss
->ifname
, (long long unsigned int) bss
->wdev_id
,
2201 static int nl80211_set_p2pdev(struct i802_bss
*bss
, int start
)
2206 msg
= nl80211_cmd_msg(bss
, 0, start
? NL80211_CMD_START_P2P_DEVICE
:
2207 NL80211_CMD_STOP_P2P_DEVICE
);
2208 ret
= send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
2210 wpa_printf(MSG_DEBUG
, "nl80211: %s P2P Device %s (0x%llx): %s",
2211 start
? "Start" : "Stop",
2212 bss
->ifname
, (long long unsigned int) bss
->wdev_id
,
2218 static int i802_set_iface_flags(struct i802_bss
*bss
, int up
)
2220 enum nl80211_iftype nlmode
;
2222 nlmode
= nl80211_get_ifmode(bss
);
2223 if (nlmode
!= NL80211_IFTYPE_P2P_DEVICE
) {
2224 return linux_set_iface_flags(bss
->drv
->global
->ioctl_sock
,
2228 /* P2P Device has start/stop which is equivalent */
2229 return nl80211_set_p2pdev(bss
, up
);
2233 #ifdef CONFIG_TESTING_OPTIONS
2234 static int qca_vendor_test_cmd_handler(struct nl_msg
*msg
, void *arg
)
2236 /* struct wpa_driver_nl80211_data *drv = arg; */
2237 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
2238 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
2241 wpa_printf(MSG_DEBUG
,
2242 "nl80211: QCA vendor test command response received");
2244 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
2245 genlmsg_attrlen(gnlh
, 0), NULL
);
2246 if (!tb
[NL80211_ATTR_VENDOR_DATA
]) {
2247 wpa_printf(MSG_DEBUG
, "nl80211: No vendor data attribute");
2251 wpa_hexdump(MSG_DEBUG
,
2252 "nl80211: Received QCA vendor test command response",
2253 nla_data(tb
[NL80211_ATTR_VENDOR_DATA
]),
2254 nla_len(tb
[NL80211_ATTR_VENDOR_DATA
]));
2258 #endif /* CONFIG_TESTING_OPTIONS */
2261 static void qca_vendor_test(struct wpa_driver_nl80211_data
*drv
)
2263 #ifdef CONFIG_TESTING_OPTIONS
2265 struct nlattr
*params
;
2268 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
2269 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
2270 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
2271 QCA_NL80211_VENDOR_SUBCMD_TEST
) ||
2272 !(params
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
2273 nla_put_u32(msg
, QCA_WLAN_VENDOR_ATTR_TEST
, 123)) {
2277 nla_nest_end(msg
, params
);
2279 ret
= send_and_recv_msgs(drv
, msg
, qca_vendor_test_cmd_handler
, drv
);
2280 wpa_printf(MSG_DEBUG
,
2281 "nl80211: QCA vendor test command returned %d (%s)",
2282 ret
, strerror(-ret
));
2283 #endif /* CONFIG_TESTING_OPTIONS */
2288 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data
*drv
,
2289 const u8
*set_addr
, int first
,
2290 const char *driver_params
)
2292 struct i802_bss
*bss
= drv
->first_bss
;
2293 int send_rfkill_event
= 0;
2294 enum nl80211_iftype nlmode
;
2296 drv
->ifindex
= if_nametoindex(bss
->ifname
);
2297 bss
->ifindex
= drv
->ifindex
;
2298 bss
->wdev_id
= drv
->global
->if_add_wdevid
;
2299 bss
->wdev_id_set
= drv
->global
->if_add_wdevid_set
;
2301 bss
->if_dynamic
= drv
->ifindex
== drv
->global
->if_add_ifindex
;
2302 bss
->if_dynamic
= bss
->if_dynamic
|| drv
->global
->if_add_wdevid_set
;
2303 drv
->global
->if_add_wdevid_set
= 0;
2305 if (!bss
->if_dynamic
&& nl80211_get_ifmode(bss
) == NL80211_IFTYPE_AP
)
2309 nl80211_get_ifmode(bss
) != NL80211_IFTYPE_P2P_DEVICE
&&
2310 linux_iface_up(drv
->global
->ioctl_sock
, bss
->ifname
) > 0)
2311 drv
->start_iface_up
= 1;
2313 if (wpa_driver_nl80211_capa(drv
))
2316 if (driver_params
&& nl80211_set_param(bss
, driver_params
) < 0)
2319 wpa_printf(MSG_DEBUG
, "nl80211: interface %s in phy %s",
2320 bss
->ifname
, drv
->phyname
);
2323 (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
, 0) ||
2324 linux_set_ifhwaddr(drv
->global
->ioctl_sock
, bss
->ifname
,
2328 if (first
&& nl80211_get_ifmode(bss
) == NL80211_IFTYPE_AP
)
2329 drv
->start_mode_ap
= 1;
2331 if (drv
->hostapd
|| bss
->static_ap
)
2332 nlmode
= NL80211_IFTYPE_AP
;
2333 else if (bss
->if_dynamic
)
2334 nlmode
= nl80211_get_ifmode(bss
);
2336 nlmode
= NL80211_IFTYPE_STATION
;
2338 if (wpa_driver_nl80211_set_mode(bss
, nlmode
) < 0) {
2339 wpa_printf(MSG_ERROR
, "nl80211: Could not configure driver mode");
2343 if (nlmode
== NL80211_IFTYPE_P2P_DEVICE
)
2344 nl80211_get_macaddr(bss
);
2346 wpa_driver_nl80211_drv_init_rfkill(drv
);
2348 if (!rfkill_is_blocked(drv
->rfkill
)) {
2349 int ret
= i802_set_iface_flags(bss
, 1);
2351 wpa_printf(MSG_ERROR
, "nl80211: Could not set "
2352 "interface '%s' UP", bss
->ifname
);
2356 if (is_p2p_net_interface(nlmode
))
2357 nl80211_disable_11b_rates(bss
->drv
,
2358 bss
->drv
->ifindex
, 1);
2360 if (nlmode
== NL80211_IFTYPE_P2P_DEVICE
)
2363 wpa_printf(MSG_DEBUG
, "nl80211: Could not yet enable "
2364 "interface '%s' due to rfkill", bss
->ifname
);
2365 if (nlmode
!= NL80211_IFTYPE_P2P_DEVICE
)
2366 drv
->if_disabled
= 1;
2368 send_rfkill_event
= 1;
2371 if (!drv
->hostapd
&& nlmode
!= NL80211_IFTYPE_P2P_DEVICE
)
2372 netlink_send_oper_ifla(drv
->global
->netlink
, drv
->ifindex
,
2373 1, IF_OPER_DORMANT
);
2375 if (nlmode
!= NL80211_IFTYPE_P2P_DEVICE
) {
2376 if (linux_get_ifhwaddr(drv
->global
->ioctl_sock
, bss
->ifname
,
2379 os_memcpy(drv
->perm_addr
, bss
->addr
, ETH_ALEN
);
2382 if (send_rfkill_event
) {
2383 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill
,
2387 if (drv
->vendor_cmd_test_avail
)
2388 qca_vendor_test(drv
);
2394 static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data
*drv
)
2398 wpa_printf(MSG_DEBUG
, "nl80211: Remove beacon (ifindex=%d)",
2400 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_DEL_BEACON
);
2401 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
2406 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
2407 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
2409 * Shut down driver interface and processing of driver events. Free
2410 * private data buffer if one was allocated in wpa_driver_nl80211_init().
2412 static void wpa_driver_nl80211_deinit(struct i802_bss
*bss
)
2414 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
2417 wpa_printf(MSG_INFO
, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
2418 bss
->ifname
, drv
->disabled_11b_rates
);
2421 if (drv
->data_tx_status
)
2422 eloop_unregister_read_sock(drv
->eapol_tx_sock
);
2423 if (drv
->eapol_tx_sock
>= 0)
2424 close(drv
->eapol_tx_sock
);
2427 wpa_driver_nl80211_probe_req_report(bss
, 0);
2428 if (bss
->added_if_into_bridge
) {
2429 if (linux_br_del_if(drv
->global
->ioctl_sock
, bss
->brname
,
2431 wpa_printf(MSG_INFO
, "nl80211: Failed to remove "
2432 "interface %s from bridge %s: %s",
2433 bss
->ifname
, bss
->brname
, strerror(errno
));
2435 nl80211_handle_destroy(drv
->rtnl_sk
);
2437 if (bss
->added_bridge
) {
2438 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->brname
,
2440 wpa_printf(MSG_INFO
,
2441 "nl80211: Could not set bridge %s down",
2443 if (linux_br_del(drv
->global
->ioctl_sock
, bss
->brname
) < 0)
2444 wpa_printf(MSG_INFO
, "nl80211: Failed to remove "
2446 bss
->brname
, strerror(errno
));
2449 nl80211_remove_monitor_interface(drv
);
2451 if (is_ap_interface(drv
->nlmode
))
2452 wpa_driver_nl80211_del_beacon(drv
);
2454 if (drv
->eapol_sock
>= 0) {
2455 eloop_unregister_read_sock(drv
->eapol_sock
);
2456 close(drv
->eapol_sock
);
2459 if (drv
->if_indices
!= drv
->default_if_indices
)
2460 os_free(drv
->if_indices
);
2462 if (drv
->if_indices_reason
!= drv
->default_if_indices_reason
)
2463 os_free(drv
->if_indices_reason
);
2465 if (drv
->disabled_11b_rates
)
2466 nl80211_disable_11b_rates(drv
, drv
->ifindex
, 0);
2468 netlink_send_oper_ifla(drv
->global
->netlink
, drv
->ifindex
, 0,
2470 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill
, drv
, drv
->ctx
);
2471 rfkill_deinit(drv
->rfkill
);
2473 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout
, drv
, drv
->ctx
);
2475 if (!drv
->start_iface_up
)
2476 (void) i802_set_iface_flags(bss
, 0);
2478 if (drv
->addr_changed
) {
2479 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
,
2481 wpa_printf(MSG_DEBUG
,
2482 "nl80211: Could not set interface down to restore permanent MAC address");
2484 if (linux_set_ifhwaddr(drv
->global
->ioctl_sock
, bss
->ifname
,
2485 drv
->perm_addr
) < 0) {
2486 wpa_printf(MSG_DEBUG
,
2487 "nl80211: Could not restore permanent MAC address");
2491 if (drv
->nlmode
!= NL80211_IFTYPE_P2P_DEVICE
) {
2492 if (!drv
->hostapd
|| !drv
->start_mode_ap
)
2493 wpa_driver_nl80211_set_mode(bss
,
2494 NL80211_IFTYPE_STATION
);
2495 nl80211_mgmt_unsubscribe(bss
, "deinit");
2497 nl80211_mgmt_unsubscribe(bss
, "deinit");
2498 nl80211_del_p2pdev(bss
);
2501 nl80211_destroy_bss(drv
->first_bss
);
2503 os_free(drv
->filter_ssids
);
2505 os_free(drv
->auth_ie
);
2507 if (drv
->in_interface_list
)
2508 dl_list_del(&drv
->list
);
2510 os_free(drv
->extended_capa
);
2511 os_free(drv
->extended_capa_mask
);
2512 for (i
= 0; i
< drv
->num_iface_ext_capa
; i
++) {
2513 os_free(drv
->iface_ext_capa
[i
].ext_capa
);
2514 os_free(drv
->iface_ext_capa
[i
].ext_capa_mask
);
2516 os_free(drv
->first_bss
);
2521 static u32
wpa_alg_to_cipher_suite(enum wpa_alg alg
, size_t key_len
)
2526 return WLAN_CIPHER_SUITE_WEP40
;
2527 return WLAN_CIPHER_SUITE_WEP104
;
2529 return WLAN_CIPHER_SUITE_TKIP
;
2531 return WLAN_CIPHER_SUITE_CCMP
;
2533 return WLAN_CIPHER_SUITE_GCMP
;
2534 case WPA_ALG_CCMP_256
:
2535 return WLAN_CIPHER_SUITE_CCMP_256
;
2536 case WPA_ALG_GCMP_256
:
2537 return WLAN_CIPHER_SUITE_GCMP_256
;
2539 return WLAN_CIPHER_SUITE_AES_CMAC
;
2540 case WPA_ALG_BIP_GMAC_128
:
2541 return WLAN_CIPHER_SUITE_BIP_GMAC_128
;
2542 case WPA_ALG_BIP_GMAC_256
:
2543 return WLAN_CIPHER_SUITE_BIP_GMAC_256
;
2544 case WPA_ALG_BIP_CMAC_256
:
2545 return WLAN_CIPHER_SUITE_BIP_CMAC_256
;
2547 return WLAN_CIPHER_SUITE_SMS4
;
2549 return WLAN_CIPHER_SUITE_KRK
;
2552 wpa_printf(MSG_ERROR
, "nl80211: Unexpected encryption algorithm %d",
2557 wpa_printf(MSG_ERROR
, "nl80211: Unsupported encryption algorithm %d",
2563 static u32
wpa_cipher_to_cipher_suite(unsigned int cipher
)
2566 case WPA_CIPHER_CCMP_256
:
2567 return WLAN_CIPHER_SUITE_CCMP_256
;
2568 case WPA_CIPHER_GCMP_256
:
2569 return WLAN_CIPHER_SUITE_GCMP_256
;
2570 case WPA_CIPHER_CCMP
:
2571 return WLAN_CIPHER_SUITE_CCMP
;
2572 case WPA_CIPHER_GCMP
:
2573 return WLAN_CIPHER_SUITE_GCMP
;
2574 case WPA_CIPHER_TKIP
:
2575 return WLAN_CIPHER_SUITE_TKIP
;
2576 case WPA_CIPHER_WEP104
:
2577 return WLAN_CIPHER_SUITE_WEP104
;
2578 case WPA_CIPHER_WEP40
:
2579 return WLAN_CIPHER_SUITE_WEP40
;
2580 case WPA_CIPHER_GTK_NOT_USED
:
2581 return WLAN_CIPHER_SUITE_NO_GROUP_ADDR
;
2588 static int wpa_cipher_to_cipher_suites(unsigned int ciphers
, u32 suites
[],
2593 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_CCMP_256
)
2594 suites
[num_suites
++] = WLAN_CIPHER_SUITE_CCMP_256
;
2595 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_GCMP_256
)
2596 suites
[num_suites
++] = WLAN_CIPHER_SUITE_GCMP_256
;
2597 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_CCMP
)
2598 suites
[num_suites
++] = WLAN_CIPHER_SUITE_CCMP
;
2599 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_GCMP
)
2600 suites
[num_suites
++] = WLAN_CIPHER_SUITE_GCMP
;
2601 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_TKIP
)
2602 suites
[num_suites
++] = WLAN_CIPHER_SUITE_TKIP
;
2603 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_WEP104
)
2604 suites
[num_suites
++] = WLAN_CIPHER_SUITE_WEP104
;
2605 if (num_suites
< max_suites
&& ciphers
& WPA_CIPHER_WEP40
)
2606 suites
[num_suites
++] = WLAN_CIPHER_SUITE_WEP40
;
2612 #ifdef CONFIG_DRIVER_NL80211_QCA
2613 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data
*drv
,
2614 const u8
*key
, size_t key_len
)
2619 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD
))
2622 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
2623 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
2624 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
2625 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY
) ||
2626 nla_put(msg
, NL80211_ATTR_VENDOR_DATA
, key_len
, key
)) {
2627 nl80211_nlmsg_clear(msg
);
2631 ret
= send_and_recv_msgs(drv
, msg
, NULL
, (void *) -1);
2633 wpa_printf(MSG_DEBUG
,
2634 "nl80211: Key management set key failed: ret=%d (%s)",
2635 ret
, strerror(-ret
));
2640 #endif /* CONFIG_DRIVER_NL80211_QCA */
2643 static int wpa_driver_nl80211_set_key(const char *ifname
, struct i802_bss
*bss
,
2644 enum wpa_alg alg
, const u8
*addr
,
2645 int key_idx
, int set_tx
,
2646 const u8
*seq
, size_t seq_len
,
2647 const u8
*key
, size_t key_len
)
2649 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
2651 struct nl_msg
*msg
= NULL
;
2655 /* Ignore for P2P Device */
2656 if (drv
->nlmode
== NL80211_IFTYPE_P2P_DEVICE
)
2659 ifindex
= if_nametoindex(ifname
);
2660 wpa_printf(MSG_DEBUG
, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
2661 "set_tx=%d seq_len=%lu key_len=%lu",
2662 __func__
, ifindex
, ifname
, alg
, addr
, key_idx
, set_tx
,
2663 (unsigned long) seq_len
, (unsigned long) key_len
);
2665 if (key_idx
== -1) {
2669 #endif /* CONFIG_TDLS */
2671 #ifdef CONFIG_DRIVER_NL80211_QCA
2672 if (alg
== WPA_ALG_PMK
&&
2673 (drv
->capa
.flags
& WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD
)) {
2674 wpa_printf(MSG_DEBUG
, "%s: calling issue_key_mgmt_set_key",
2676 ret
= issue_key_mgmt_set_key(drv
, key
, key_len
);
2679 #endif /* CONFIG_DRIVER_NL80211_QCA */
2681 if (alg
== WPA_ALG_NONE
) {
2682 msg
= nl80211_ifindex_msg(drv
, ifindex
, 0, NL80211_CMD_DEL_KEY
);
2688 suite
= wpa_alg_to_cipher_suite(alg
, key_len
);
2691 msg
= nl80211_ifindex_msg(drv
, ifindex
, 0, NL80211_CMD_NEW_KEY
);
2693 nla_put(msg
, NL80211_ATTR_KEY_DATA
, key_len
, key
) ||
2694 nla_put_u32(msg
, NL80211_ATTR_KEY_CIPHER
, suite
))
2696 wpa_hexdump_key(MSG_DEBUG
, "nl80211: KEY_DATA", key
, key_len
);
2699 if (seq
&& seq_len
) {
2700 if (nla_put(msg
, NL80211_ATTR_KEY_SEQ
, seq_len
, seq
))
2702 wpa_hexdump(MSG_DEBUG
, "nl80211: KEY_SEQ", seq
, seq_len
);
2705 if (addr
&& !is_broadcast_ether_addr(addr
)) {
2706 wpa_printf(MSG_DEBUG
, " addr=" MACSTR
, MAC2STR(addr
));
2707 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
2710 if (alg
!= WPA_ALG_WEP
&& key_idx
&& !set_tx
) {
2711 wpa_printf(MSG_DEBUG
, " RSN IBSS RX GTK");
2712 if (nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
,
2713 NL80211_KEYTYPE_GROUP
))
2716 } else if (addr
&& is_broadcast_ether_addr(addr
)) {
2717 struct nlattr
*types
;
2719 wpa_printf(MSG_DEBUG
, " broadcast key");
2721 types
= nla_nest_start(msg
, NL80211_ATTR_KEY_DEFAULT_TYPES
);
2723 nla_put_flag(msg
, NL80211_KEY_DEFAULT_TYPE_MULTICAST
))
2725 nla_nest_end(msg
, types
);
2727 if (nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2730 ret
= send_and_recv_msgs(drv
, msg
, NULL
, key
? (void *) -1 : NULL
);
2731 if ((ret
== -ENOENT
|| ret
== -ENOLINK
) && alg
== WPA_ALG_NONE
)
2734 wpa_printf(MSG_DEBUG
, "nl80211: set_key failed; err=%d %s)",
2735 ret
, strerror(-ret
));
2738 * If we failed or don't need to set the default TX key (below),
2741 if (ret
|| !set_tx
|| alg
== WPA_ALG_NONE
|| tdls
)
2743 if (is_ap_interface(drv
->nlmode
) && addr
&&
2744 !is_broadcast_ether_addr(addr
))
2747 msg
= nl80211_ifindex_msg(drv
, ifindex
, 0, NL80211_CMD_SET_KEY
);
2749 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
) ||
2750 nla_put_flag(msg
, (alg
== WPA_ALG_IGTK
||
2751 alg
== WPA_ALG_BIP_GMAC_128
||
2752 alg
== WPA_ALG_BIP_GMAC_256
||
2753 alg
== WPA_ALG_BIP_CMAC_256
) ?
2754 NL80211_ATTR_KEY_DEFAULT_MGMT
:
2755 NL80211_ATTR_KEY_DEFAULT
))
2757 if (addr
&& is_broadcast_ether_addr(addr
)) {
2758 struct nlattr
*types
;
2760 types
= nla_nest_start(msg
, NL80211_ATTR_KEY_DEFAULT_TYPES
);
2762 nla_put_flag(msg
, NL80211_KEY_DEFAULT_TYPE_MULTICAST
))
2764 nla_nest_end(msg
, types
);
2766 struct nlattr
*types
;
2768 types
= nla_nest_start(msg
, NL80211_ATTR_KEY_DEFAULT_TYPES
);
2770 nla_put_flag(msg
, NL80211_KEY_DEFAULT_TYPE_UNICAST
))
2772 nla_nest_end(msg
, types
);
2775 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
2779 wpa_printf(MSG_DEBUG
, "nl80211: set_key default failed; "
2780 "err=%d %s)", ret
, strerror(-ret
));
2784 nl80211_nlmsg_clear(msg
);
2790 static int nl_add_key(struct nl_msg
*msg
, enum wpa_alg alg
,
2791 int key_idx
, int defkey
,
2792 const u8
*seq
, size_t seq_len
,
2793 const u8
*key
, size_t key_len
)
2795 struct nlattr
*key_attr
= nla_nest_start(msg
, NL80211_ATTR_KEY
);
2801 suite
= wpa_alg_to_cipher_suite(alg
, key_len
);
2805 if (defkey
&& alg
== WPA_ALG_IGTK
) {
2806 if (nla_put_flag(msg
, NL80211_KEY_DEFAULT_MGMT
))
2808 } else if (defkey
) {
2809 if (nla_put_flag(msg
, NL80211_KEY_DEFAULT
))
2813 if (nla_put_u8(msg
, NL80211_KEY_IDX
, key_idx
) ||
2814 nla_put_u32(msg
, NL80211_KEY_CIPHER
, suite
) ||
2816 nla_put(msg
, NL80211_KEY_SEQ
, seq_len
, seq
)) ||
2817 nla_put(msg
, NL80211_KEY_DATA
, key_len
, key
))
2820 nla_nest_end(msg
, key_attr
);
2826 static int nl80211_set_conn_keys(struct wpa_driver_associate_params
*params
,
2830 struct nlattr
*nl_keys
, *nl_key
;
2832 for (i
= 0; i
< 4; i
++) {
2833 if (!params
->wep_key
[i
])
2838 if (params
->wps
== WPS_MODE_PRIVACY
)
2840 if (params
->pairwise_suite
&&
2841 params
->pairwise_suite
!= WPA_CIPHER_NONE
)
2847 if (nla_put_flag(msg
, NL80211_ATTR_PRIVACY
))
2850 nl_keys
= nla_nest_start(msg
, NL80211_ATTR_KEYS
);
2854 for (i
= 0; i
< 4; i
++) {
2855 if (!params
->wep_key
[i
])
2858 nl_key
= nla_nest_start(msg
, i
);
2860 nla_put(msg
, NL80211_KEY_DATA
, params
->wep_key_len
[i
],
2861 params
->wep_key
[i
]) ||
2862 nla_put_u32(msg
, NL80211_KEY_CIPHER
,
2863 params
->wep_key_len
[i
] == 5 ?
2864 WLAN_CIPHER_SUITE_WEP40
:
2865 WLAN_CIPHER_SUITE_WEP104
) ||
2866 nla_put_u8(msg
, NL80211_KEY_IDX
, i
) ||
2867 (i
== params
->wep_tx_keyidx
&&
2868 nla_put_flag(msg
, NL80211_KEY_DEFAULT
)))
2871 nla_nest_end(msg
, nl_key
);
2873 nla_nest_end(msg
, nl_keys
);
2879 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data
*drv
,
2880 const u8
*addr
, int cmd
, u16 reason_code
,
2881 int local_state_change
)
2886 if (!(msg
= nl80211_drv_msg(drv
, 0, cmd
)) ||
2887 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
) ||
2888 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
2889 (local_state_change
&&
2890 nla_put_flag(msg
, NL80211_ATTR_LOCAL_STATE_CHANGE
))) {
2895 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
2897 wpa_dbg(drv
->ctx
, MSG_DEBUG
,
2898 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
2899 reason_code
, ret
, strerror(-ret
));
2905 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data
*drv
,
2910 wpa_printf(MSG_DEBUG
, "%s(reason_code=%d)", __func__
, reason_code
);
2911 nl80211_mark_disconnected(drv
);
2912 /* Disconnect command doesn't need BSSID - it uses cached value */
2913 ret
= wpa_driver_nl80211_mlme(drv
, NULL
, NL80211_CMD_DISCONNECT
,
2916 * For locally generated disconnect, supplicant already generates a
2917 * DEAUTH event, so ignore the event from NL80211.
2919 drv
->ignore_next_local_disconnect
= ret
== 0;
2925 static int wpa_driver_nl80211_deauthenticate(struct i802_bss
*bss
,
2926 const u8
*addr
, int reason_code
)
2928 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
2931 if (drv
->nlmode
== NL80211_IFTYPE_ADHOC
) {
2932 nl80211_mark_disconnected(drv
);
2933 return nl80211_leave_ibss(drv
, 1);
2935 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_SME
))
2936 return wpa_driver_nl80211_disconnect(drv
, reason_code
);
2937 wpa_printf(MSG_DEBUG
, "%s(addr=" MACSTR
" reason_code=%d)",
2938 __func__
, MAC2STR(addr
), reason_code
);
2939 nl80211_mark_disconnected(drv
);
2940 ret
= wpa_driver_nl80211_mlme(drv
, addr
, NL80211_CMD_DEAUTHENTICATE
,
2943 * For locally generated deauthenticate, supplicant already generates a
2944 * DEAUTH event, so ignore the event from NL80211.
2946 drv
->ignore_next_local_deauth
= ret
== 0;
2951 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data
*drv
,
2952 struct wpa_driver_auth_params
*params
)
2956 drv
->auth_freq
= params
->freq
;
2957 drv
->auth_alg
= params
->auth_alg
;
2958 drv
->auth_wep_tx_keyidx
= params
->wep_tx_keyidx
;
2959 drv
->auth_local_state_change
= params
->local_state_change
;
2960 drv
->auth_p2p
= params
->p2p
;
2963 os_memcpy(drv
->auth_bssid_
, params
->bssid
, ETH_ALEN
);
2965 os_memset(drv
->auth_bssid_
, 0, ETH_ALEN
);
2968 os_memcpy(drv
->auth_ssid
, params
->ssid
, params
->ssid_len
);
2969 drv
->auth_ssid_len
= params
->ssid_len
;
2971 drv
->auth_ssid_len
= 0;
2974 os_free(drv
->auth_ie
);
2975 drv
->auth_ie
= NULL
;
2976 drv
->auth_ie_len
= 0;
2978 drv
->auth_ie
= os_malloc(params
->ie_len
);
2980 os_memcpy(drv
->auth_ie
, params
->ie
, params
->ie_len
);
2981 drv
->auth_ie_len
= params
->ie_len
;
2985 for (i
= 0; i
< 4; i
++) {
2986 if (params
->wep_key
[i
] && params
->wep_key_len
[i
] &&
2987 params
->wep_key_len
[i
] <= 16) {
2988 os_memcpy(drv
->auth_wep_key
[i
], params
->wep_key
[i
],
2989 params
->wep_key_len
[i
]);
2990 drv
->auth_wep_key_len
[i
] = params
->wep_key_len
[i
];
2992 drv
->auth_wep_key_len
[i
] = 0;
2997 static void nl80211_unmask_11b_rates(struct i802_bss
*bss
)
2999 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3001 if (is_p2p_net_interface(drv
->nlmode
) || !drv
->disabled_11b_rates
)
3005 * Looks like we failed to unmask 11b rates previously. This could
3006 * happen, e.g., if the interface was down at the point in time when a
3007 * P2P group was terminated.
3009 wpa_printf(MSG_DEBUG
,
3010 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3012 nl80211_disable_11b_rates(drv
, drv
->ifindex
, 0);
3016 static int wpa_driver_nl80211_authenticate(
3017 struct i802_bss
*bss
, struct wpa_driver_auth_params
*params
)
3019 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3022 enum nl80211_auth_type type
;
3023 enum nl80211_iftype nlmode
;
3027 nl80211_unmask_11b_rates(bss
);
3029 is_retry
= drv
->retry_auth
;
3030 drv
->retry_auth
= 0;
3031 drv
->ignore_deauth_event
= 0;
3033 nl80211_mark_disconnected(drv
);
3034 os_memset(drv
->auth_bssid
, 0, ETH_ALEN
);
3036 os_memcpy(drv
->auth_attempt_bssid
, params
->bssid
, ETH_ALEN
);
3038 os_memset(drv
->auth_attempt_bssid
, 0, ETH_ALEN
);
3039 /* FIX: IBSS mode */
3040 nlmode
= params
->p2p
?
3041 NL80211_IFTYPE_P2P_CLIENT
: NL80211_IFTYPE_STATION
;
3042 if (drv
->nlmode
!= nlmode
&&
3043 wpa_driver_nl80211_set_mode(bss
, nlmode
) < 0)
3047 wpa_printf(MSG_DEBUG
, "nl80211: Authenticate (ifindex=%d)",
3050 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_AUTHENTICATE
);
3054 for (i
= 0; i
< 4; i
++) {
3055 if (!params
->wep_key
[i
])
3057 wpa_driver_nl80211_set_key(bss
->ifname
, bss
, WPA_ALG_WEP
,
3059 i
== params
->wep_tx_keyidx
, NULL
, 0,
3061 params
->wep_key_len
[i
]);
3062 if (params
->wep_tx_keyidx
!= i
)
3064 if (nl_add_key(msg
, WPA_ALG_WEP
, i
, 1, NULL
, 0,
3065 params
->wep_key
[i
], params
->wep_key_len
[i
]))
3069 if (params
->bssid
) {
3070 wpa_printf(MSG_DEBUG
, " * bssid=" MACSTR
,
3071 MAC2STR(params
->bssid
));
3072 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, params
->bssid
))
3076 wpa_printf(MSG_DEBUG
, " * freq=%d", params
->freq
);
3077 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, params
->freq
))
3081 wpa_hexdump_ascii(MSG_DEBUG
, " * SSID",
3082 params
->ssid
, params
->ssid_len
);
3083 if (nla_put(msg
, NL80211_ATTR_SSID
, params
->ssid_len
,
3087 wpa_hexdump(MSG_DEBUG
, " * IEs", params
->ie
, params
->ie_len
);
3089 nla_put(msg
, NL80211_ATTR_IE
, params
->ie_len
, params
->ie
))
3091 if (params
->sae_data
) {
3092 wpa_hexdump(MSG_DEBUG
, " * SAE data", params
->sae_data
,
3093 params
->sae_data_len
);
3094 if (nla_put(msg
, NL80211_ATTR_SAE_DATA
, params
->sae_data_len
,
3098 if (params
->auth_alg
& WPA_AUTH_ALG_OPEN
)
3099 type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
3100 else if (params
->auth_alg
& WPA_AUTH_ALG_SHARED
)
3101 type
= NL80211_AUTHTYPE_SHARED_KEY
;
3102 else if (params
->auth_alg
& WPA_AUTH_ALG_LEAP
)
3103 type
= NL80211_AUTHTYPE_NETWORK_EAP
;
3104 else if (params
->auth_alg
& WPA_AUTH_ALG_FT
)
3105 type
= NL80211_AUTHTYPE_FT
;
3106 else if (params
->auth_alg
& WPA_AUTH_ALG_SAE
)
3107 type
= NL80211_AUTHTYPE_SAE
;
3110 wpa_printf(MSG_DEBUG
, " * Auth Type %d", type
);
3111 if (nla_put_u32(msg
, NL80211_ATTR_AUTH_TYPE
, type
))
3113 if (params
->local_state_change
) {
3114 wpa_printf(MSG_DEBUG
, " * Local state change only");
3115 if (nla_put_flag(msg
, NL80211_ATTR_LOCAL_STATE_CHANGE
))
3119 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
3122 wpa_dbg(drv
->ctx
, MSG_DEBUG
,
3123 "nl80211: MLME command failed (auth): ret=%d (%s)",
3124 ret
, strerror(-ret
));
3126 if (ret
== -EALREADY
&& count
== 1 && params
->bssid
&&
3127 !params
->local_state_change
) {
3129 * mac80211 does not currently accept new
3130 * authentication if we are already authenticated. As a
3131 * workaround, force deauthentication and try again.
3133 wpa_printf(MSG_DEBUG
, "nl80211: Retry authentication "
3134 "after forced deauthentication");
3135 drv
->ignore_deauth_event
= 1;
3136 wpa_driver_nl80211_deauthenticate(
3138 WLAN_REASON_PREV_AUTH_NOT_VALID
);
3143 if (ret
== -ENOENT
&& params
->freq
&& !is_retry
) {
3145 * cfg80211 has likely expired the BSS entry even
3146 * though it was previously available in our internal
3147 * BSS table. To recover quickly, start a single
3148 * channel scan on the specified channel.
3150 struct wpa_driver_scan_params scan
;
3153 os_memset(&scan
, 0, sizeof(scan
));
3156 scan
.ssids
[0].ssid
= params
->ssid
;
3157 scan
.ssids
[0].ssid_len
= params
->ssid_len
;
3159 freqs
[0] = params
->freq
;
3162 wpa_printf(MSG_DEBUG
, "nl80211: Trigger single "
3163 "channel scan to refresh cfg80211 BSS "
3165 ret
= wpa_driver_nl80211_scan(bss
, &scan
);
3167 nl80211_copy_auth_params(drv
, params
);
3168 drv
->scan_for_auth
= 1;
3170 } else if (is_retry
) {
3172 * Need to indicate this with an event since the return
3173 * value from the retry is not delivered to core code.
3175 union wpa_event_data event
;
3176 wpa_printf(MSG_DEBUG
, "nl80211: Authentication retry "
3178 os_memset(&event
, 0, sizeof(event
));
3179 os_memcpy(event
.timeout_event
.addr
, drv
->auth_bssid_
,
3181 wpa_supplicant_event(drv
->ctx
, EVENT_AUTH_TIMED_OUT
,
3185 wpa_printf(MSG_DEBUG
,
3186 "nl80211: Authentication request send successfully");
3195 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data
*drv
)
3197 struct wpa_driver_auth_params params
;
3198 struct i802_bss
*bss
= drv
->first_bss
;
3201 wpa_printf(MSG_DEBUG
, "nl80211: Try to authenticate again");
3203 os_memset(¶ms
, 0, sizeof(params
));
3204 params
.freq
= drv
->auth_freq
;
3205 params
.auth_alg
= drv
->auth_alg
;
3206 params
.wep_tx_keyidx
= drv
->auth_wep_tx_keyidx
;
3207 params
.local_state_change
= drv
->auth_local_state_change
;
3208 params
.p2p
= drv
->auth_p2p
;
3210 if (!is_zero_ether_addr(drv
->auth_bssid_
))
3211 params
.bssid
= drv
->auth_bssid_
;
3213 if (drv
->auth_ssid_len
) {
3214 params
.ssid
= drv
->auth_ssid
;
3215 params
.ssid_len
= drv
->auth_ssid_len
;
3218 params
.ie
= drv
->auth_ie
;
3219 params
.ie_len
= drv
->auth_ie_len
;
3221 for (i
= 0; i
< 4; i
++) {
3222 if (drv
->auth_wep_key_len
[i
]) {
3223 params
.wep_key
[i
] = drv
->auth_wep_key
[i
];
3224 params
.wep_key_len
[i
] = drv
->auth_wep_key_len
[i
];
3228 drv
->retry_auth
= 1;
3229 return wpa_driver_nl80211_authenticate(bss
, ¶ms
);
3233 static int wpa_driver_nl80211_send_frame(struct i802_bss
*bss
,
3234 const void *data
, size_t len
,
3235 int encrypt
, int noack
,
3236 unsigned int freq
, int no_cck
,
3237 int offchanok
, unsigned int wait_time
,
3238 const u16
*csa_offs
,
3239 size_t csa_offs_len
)
3241 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3245 if (freq
== 0 && drv
->nlmode
== NL80211_IFTYPE_ADHOC
) {
3246 freq
= nl80211_get_assoc_freq(drv
);
3247 wpa_printf(MSG_DEBUG
,
3248 "nl80211: send_frame - Use assoc_freq=%u for IBSS",
3252 wpa_printf(MSG_DEBUG
, "nl80211: send_frame - Use bss->freq=%u",
3257 if (drv
->use_monitor
) {
3258 wpa_printf(MSG_DEBUG
, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
3260 return nl80211_send_monitor(drv
, data
, len
, encrypt
, noack
);
3263 wpa_printf(MSG_DEBUG
, "nl80211: send_frame -> send_frame_cmd");
3264 res
= nl80211_send_frame_cmd(bss
, freq
, wait_time
, data
, len
,
3265 &cookie
, no_cck
, noack
, offchanok
,
3266 csa_offs
, csa_offs_len
);
3267 if (res
== 0 && !noack
) {
3268 const struct ieee80211_mgmt
*mgmt
;
3271 mgmt
= (const struct ieee80211_mgmt
*) data
;
3272 fc
= le_to_host16(mgmt
->frame_control
);
3273 if (WLAN_FC_GET_TYPE(fc
) == WLAN_FC_TYPE_MGMT
&&
3274 WLAN_FC_GET_STYPE(fc
) == WLAN_FC_STYPE_ACTION
) {
3275 wpa_printf(MSG_MSGDUMP
,
3276 "nl80211: Update send_action_cookie from 0x%llx to 0x%llx",
3277 (long long unsigned int)
3278 drv
->send_action_cookie
,
3279 (long long unsigned int) cookie
);
3280 drv
->send_action_cookie
= cookie
;
3288 static int wpa_driver_nl80211_send_mlme(struct i802_bss
*bss
, const u8
*data
,
3289 size_t data_len
, int noack
,
3290 unsigned int freq
, int no_cck
,
3292 unsigned int wait_time
,
3293 const u16
*csa_offs
,
3294 size_t csa_offs_len
)
3296 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3297 struct ieee80211_mgmt
*mgmt
;
3301 mgmt
= (struct ieee80211_mgmt
*) data
;
3302 fc
= le_to_host16(mgmt
->frame_control
);
3303 wpa_printf(MSG_DEBUG
, "nl80211: send_mlme - da= " MACSTR
3304 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d",
3305 MAC2STR(mgmt
->da
), noack
, freq
, no_cck
, offchanok
, wait_time
,
3306 fc
, fc2str(fc
), drv
->nlmode
);
3308 if ((is_sta_interface(drv
->nlmode
) ||
3309 drv
->nlmode
== NL80211_IFTYPE_P2P_DEVICE
) &&
3310 WLAN_FC_GET_TYPE(fc
) == WLAN_FC_TYPE_MGMT
&&
3311 WLAN_FC_GET_STYPE(fc
) == WLAN_FC_STYPE_PROBE_RESP
) {
3313 * The use of last_mgmt_freq is a bit of a hack,
3314 * but it works due to the single-threaded nature
3315 * of wpa_supplicant.
3318 wpa_printf(MSG_DEBUG
, "nl80211: Use last_mgmt_freq=%d",
3319 drv
->last_mgmt_freq
);
3320 freq
= drv
->last_mgmt_freq
;
3322 return nl80211_send_frame_cmd(bss
, freq
, 0,
3323 data
, data_len
, NULL
, 1, noack
,
3324 1, csa_offs
, csa_offs_len
);
3327 if (drv
->device_ap_sme
&& is_ap_interface(drv
->nlmode
)) {
3329 wpa_printf(MSG_DEBUG
, "nl80211: Use bss->freq=%d",
3333 return nl80211_send_frame_cmd(bss
, freq
,
3334 (int) freq
== bss
->freq
? 0 :
3337 &drv
->send_action_cookie
,
3338 no_cck
, noack
, offchanok
,
3339 csa_offs
, csa_offs_len
);
3342 if (WLAN_FC_GET_TYPE(fc
) == WLAN_FC_TYPE_MGMT
&&
3343 WLAN_FC_GET_STYPE(fc
) == WLAN_FC_STYPE_AUTH
) {
3345 * Only one of the authentication frame types is encrypted.
3346 * In order for static WEP encryption to work properly (i.e.,
3347 * to not encrypt the frame), we need to tell mac80211 about
3348 * the frames that must not be encrypted.
3350 u16 auth_alg
= le_to_host16(mgmt
->u
.auth
.auth_alg
);
3351 u16 auth_trans
= le_to_host16(mgmt
->u
.auth
.auth_transaction
);
3352 if (auth_alg
!= WLAN_AUTH_SHARED_KEY
|| auth_trans
!= 3)
3356 wpa_printf(MSG_DEBUG
, "nl80211: send_mlme -> send_frame");
3357 return wpa_driver_nl80211_send_frame(bss
, data
, data_len
, encrypt
,
3358 noack
, freq
, no_cck
, offchanok
,
3359 wait_time
, csa_offs
,
3364 static int nl80211_put_basic_rates(struct nl_msg
*msg
, const int *basic_rates
)
3366 u8 rates
[NL80211_MAX_SUPP_RATES
];
3373 for (i
= 0; i
< NL80211_MAX_SUPP_RATES
&& basic_rates
[i
] >= 0; i
++)
3374 rates
[rates_len
++] = basic_rates
[i
] / 5;
3376 return nla_put(msg
, NL80211_ATTR_BSS_BASIC_RATES
, rates_len
, rates
);
3380 static int nl80211_set_bss(struct i802_bss
*bss
, int cts
, int preamble
,
3381 int slot
, int ht_opmode
, int ap_isolate
,
3382 const int *basic_rates
)
3384 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3387 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_BSS
)) ||
3389 nla_put_u8(msg
, NL80211_ATTR_BSS_CTS_PROT
, cts
)) ||
3391 nla_put_u8(msg
, NL80211_ATTR_BSS_SHORT_PREAMBLE
, preamble
)) ||
3393 nla_put_u8(msg
, NL80211_ATTR_BSS_SHORT_SLOT_TIME
, slot
)) ||
3395 nla_put_u16(msg
, NL80211_ATTR_BSS_HT_OPMODE
, ht_opmode
)) ||
3397 nla_put_u8(msg
, NL80211_ATTR_AP_ISOLATE
, ap_isolate
)) ||
3398 nl80211_put_basic_rates(msg
, basic_rates
)) {
3403 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
3407 static int wpa_driver_nl80211_set_acl(void *priv
,
3408 struct hostapd_acl_params
*params
)
3410 struct i802_bss
*bss
= priv
;
3411 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3417 if (!(drv
->capa
.max_acl_mac_addrs
))
3420 if (params
->num_mac_acl
> drv
->capa
.max_acl_mac_addrs
)
3423 wpa_printf(MSG_DEBUG
, "nl80211: Set %s ACL (num_mac_acl=%u)",
3424 params
->acl_policy
? "Accept" : "Deny", params
->num_mac_acl
);
3426 acl
= nlmsg_alloc();
3429 for (i
= 0; i
< params
->num_mac_acl
; i
++) {
3430 if (nla_put(acl
, i
+ 1, ETH_ALEN
, params
->mac_acl
[i
].addr
)) {
3436 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_SET_MAC_ACL
)) ||
3437 nla_put_u32(msg
, NL80211_ATTR_ACL_POLICY
, params
->acl_policy
?
3438 NL80211_ACL_POLICY_DENY_UNLESS_LISTED
:
3439 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
) ||
3440 nla_put_nested(msg
, NL80211_ATTR_MAC_ADDRS
, acl
)) {
3447 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
3449 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set MAC ACL: %d (%s)",
3450 ret
, strerror(-ret
));
3457 static int nl80211_put_beacon_int(struct nl_msg
*msg
, int beacon_int
)
3459 if (beacon_int
> 0) {
3460 wpa_printf(MSG_DEBUG
, " * beacon_int=%d", beacon_int
);
3461 return nla_put_u32(msg
, NL80211_ATTR_BEACON_INTERVAL
,
3469 static int wpa_driver_nl80211_set_ap(void *priv
,
3470 struct wpa_driver_ap_params
*params
)
3472 struct i802_bss
*bss
= priv
;
3473 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3475 u8 cmd
= NL80211_CMD_NEW_BEACON
;
3480 u32 suites
[10], suite
;
3483 beacon_set
= params
->reenable
? 0 : bss
->beacon_set
;
3485 wpa_printf(MSG_DEBUG
, "nl80211: Set beacon (beacon_set=%d)",
3488 cmd
= NL80211_CMD_SET_BEACON
;
3490 wpa_hexdump(MSG_DEBUG
, "nl80211: Beacon head",
3491 params
->head
, params
->head_len
);
3492 wpa_hexdump(MSG_DEBUG
, "nl80211: Beacon tail",
3493 params
->tail
, params
->tail_len
);
3494 wpa_printf(MSG_DEBUG
, "nl80211: ifindex=%d", bss
->ifindex
);
3495 wpa_printf(MSG_DEBUG
, "nl80211: beacon_int=%d", params
->beacon_int
);
3496 wpa_printf(MSG_DEBUG
, "nl80211: dtim_period=%d", params
->dtim_period
);
3497 wpa_hexdump_ascii(MSG_DEBUG
, "nl80211: ssid",
3498 params
->ssid
, params
->ssid_len
);
3499 if (!(msg
= nl80211_bss_msg(bss
, 0, cmd
)) ||
3500 nla_put(msg
, NL80211_ATTR_BEACON_HEAD
, params
->head_len
,
3502 nla_put(msg
, NL80211_ATTR_BEACON_TAIL
, params
->tail_len
,
3504 nl80211_put_beacon_int(msg
, params
->beacon_int
) ||
3505 nla_put_u32(msg
, NL80211_ATTR_DTIM_PERIOD
, params
->dtim_period
) ||
3506 nla_put(msg
, NL80211_ATTR_SSID
, params
->ssid_len
, params
->ssid
))
3508 if (params
->proberesp
&& params
->proberesp_len
) {
3509 wpa_hexdump(MSG_DEBUG
, "nl80211: proberesp (offload)",
3510 params
->proberesp
, params
->proberesp_len
);
3511 if (nla_put(msg
, NL80211_ATTR_PROBE_RESP
, params
->proberesp_len
,
3515 switch (params
->hide_ssid
) {
3516 case NO_SSID_HIDING
:
3517 wpa_printf(MSG_DEBUG
, "nl80211: hidden SSID not in use");
3518 if (nla_put_u32(msg
, NL80211_ATTR_HIDDEN_SSID
,
3519 NL80211_HIDDEN_SSID_NOT_IN_USE
))
3522 case HIDDEN_SSID_ZERO_LEN
:
3523 wpa_printf(MSG_DEBUG
, "nl80211: hidden SSID zero len");
3524 if (nla_put_u32(msg
, NL80211_ATTR_HIDDEN_SSID
,
3525 NL80211_HIDDEN_SSID_ZERO_LEN
))
3528 case HIDDEN_SSID_ZERO_CONTENTS
:
3529 wpa_printf(MSG_DEBUG
, "nl80211: hidden SSID zero contents");
3530 if (nla_put_u32(msg
, NL80211_ATTR_HIDDEN_SSID
,
3531 NL80211_HIDDEN_SSID_ZERO_CONTENTS
))
3535 wpa_printf(MSG_DEBUG
, "nl80211: privacy=%d", params
->privacy
);
3536 if (params
->privacy
&&
3537 nla_put_flag(msg
, NL80211_ATTR_PRIVACY
))
3539 wpa_printf(MSG_DEBUG
, "nl80211: auth_algs=0x%x", params
->auth_algs
);
3540 if ((params
->auth_algs
& (WPA_AUTH_ALG_OPEN
| WPA_AUTH_ALG_SHARED
)) ==
3541 (WPA_AUTH_ALG_OPEN
| WPA_AUTH_ALG_SHARED
)) {
3542 /* Leave out the attribute */
3543 } else if (params
->auth_algs
& WPA_AUTH_ALG_SHARED
) {
3544 if (nla_put_u32(msg
, NL80211_ATTR_AUTH_TYPE
,
3545 NL80211_AUTHTYPE_SHARED_KEY
))
3548 if (nla_put_u32(msg
, NL80211_ATTR_AUTH_TYPE
,
3549 NL80211_AUTHTYPE_OPEN_SYSTEM
))
3553 wpa_printf(MSG_DEBUG
, "nl80211: wpa_version=0x%x", params
->wpa_version
);
3555 if (params
->wpa_version
& WPA_PROTO_WPA
)
3556 ver
|= NL80211_WPA_VERSION_1
;
3557 if (params
->wpa_version
& WPA_PROTO_RSN
)
3558 ver
|= NL80211_WPA_VERSION_2
;
3560 nla_put_u32(msg
, NL80211_ATTR_WPA_VERSIONS
, ver
))
3563 wpa_printf(MSG_DEBUG
, "nl80211: key_mgmt_suites=0x%x",
3564 params
->key_mgmt_suites
);
3566 if (params
->key_mgmt_suites
& WPA_KEY_MGMT_IEEE8021X
)
3567 suites
[num_suites
++] = WLAN_AKM_SUITE_8021X
;
3568 if (params
->key_mgmt_suites
& WPA_KEY_MGMT_PSK
)
3569 suites
[num_suites
++] = WLAN_AKM_SUITE_PSK
;
3571 nla_put(msg
, NL80211_ATTR_AKM_SUITES
, num_suites
* sizeof(u32
),
3575 if (params
->key_mgmt_suites
& WPA_KEY_MGMT_IEEE8021X_NO_WPA
&&
3576 params
->pairwise_ciphers
& (WPA_CIPHER_WEP104
| WPA_CIPHER_WEP40
) &&
3577 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
))
3580 wpa_printf(MSG_DEBUG
, "nl80211: pairwise_ciphers=0x%x",
3581 params
->pairwise_ciphers
);
3582 num_suites
= wpa_cipher_to_cipher_suites(params
->pairwise_ciphers
,
3583 suites
, ARRAY_SIZE(suites
));
3585 nla_put(msg
, NL80211_ATTR_CIPHER_SUITES_PAIRWISE
,
3586 num_suites
* sizeof(u32
), suites
))
3589 wpa_printf(MSG_DEBUG
, "nl80211: group_cipher=0x%x",
3590 params
->group_cipher
);
3591 suite
= wpa_cipher_to_cipher_suite(params
->group_cipher
);
3593 nla_put_u32(msg
, NL80211_ATTR_CIPHER_SUITE_GROUP
, suite
))
3596 if (params
->ht_opmode
!= -1) {
3597 switch (params
->smps_mode
) {
3598 case HT_CAP_INFO_SMPS_DYNAMIC
:
3599 wpa_printf(MSG_DEBUG
, "nl80211: SMPS mode - dynamic");
3600 smps_mode
= NL80211_SMPS_DYNAMIC
;
3602 case HT_CAP_INFO_SMPS_STATIC
:
3603 wpa_printf(MSG_DEBUG
, "nl80211: SMPS mode - static");
3604 smps_mode
= NL80211_SMPS_STATIC
;
3607 /* invalid - fallback to smps off */
3608 case HT_CAP_INFO_SMPS_DISABLED
:
3609 wpa_printf(MSG_DEBUG
, "nl80211: SMPS mode - off");
3610 smps_mode
= NL80211_SMPS_OFF
;
3613 if (nla_put_u32(msg
, NL80211_ATTR_SMPS_MODE
, smps_mode
))
3617 if (params
->beacon_ies
) {
3618 wpa_hexdump_buf(MSG_DEBUG
, "nl80211: beacon_ies",
3619 params
->beacon_ies
);
3620 if (nla_put(msg
, NL80211_ATTR_IE
,
3621 wpabuf_len(params
->beacon_ies
),
3622 wpabuf_head(params
->beacon_ies
)))
3625 if (params
->proberesp_ies
) {
3626 wpa_hexdump_buf(MSG_DEBUG
, "nl80211: proberesp_ies",
3627 params
->proberesp_ies
);
3628 if (nla_put(msg
, NL80211_ATTR_IE_PROBE_RESP
,
3629 wpabuf_len(params
->proberesp_ies
),
3630 wpabuf_head(params
->proberesp_ies
)))
3633 if (params
->assocresp_ies
) {
3634 wpa_hexdump_buf(MSG_DEBUG
, "nl80211: assocresp_ies",
3635 params
->assocresp_ies
);
3636 if (nla_put(msg
, NL80211_ATTR_IE_ASSOC_RESP
,
3637 wpabuf_len(params
->assocresp_ies
),
3638 wpabuf_head(params
->assocresp_ies
)))
3642 if (drv
->capa
.flags
& WPA_DRIVER_FLAGS_INACTIVITY_TIMER
) {
3643 wpa_printf(MSG_DEBUG
, "nl80211: ap_max_inactivity=%d",
3644 params
->ap_max_inactivity
);
3645 if (nla_put_u16(msg
, NL80211_ATTR_INACTIVITY_TIMEOUT
,
3646 params
->ap_max_inactivity
))
3651 if (params
->p2p_go_ctwindow
> 0) {
3652 if (drv
->p2p_go_ctwindow_supported
) {
3653 wpa_printf(MSG_DEBUG
, "nl80211: P2P GO ctwindow=%d",
3654 params
->p2p_go_ctwindow
);
3655 if (nla_put_u8(msg
, NL80211_ATTR_P2P_CTWINDOW
,
3656 params
->p2p_go_ctwindow
))
3659 wpa_printf(MSG_INFO
,
3660 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
3663 #endif /* CONFIG_P2P */
3666 wpa_printf(MSG_DEBUG
, "nl80211: PBSS");
3667 if (nla_put_flag(msg
, NL80211_ATTR_PBSS
))
3671 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
3673 wpa_printf(MSG_DEBUG
, "nl80211: Beacon set failed: %d (%s)",
3674 ret
, strerror(-ret
));
3676 bss
->beacon_set
= 1;
3677 nl80211_set_bss(bss
, params
->cts_protect
, params
->preamble
,
3678 params
->short_slot_time
, params
->ht_opmode
,
3679 params
->isolate
, params
->basic_rates
);
3680 if (beacon_set
&& params
->freq
&&
3681 params
->freq
->bandwidth
!= bss
->bandwidth
) {
3682 wpa_printf(MSG_DEBUG
,
3683 "nl80211: Update BSS %s bandwidth: %d -> %d",
3684 bss
->ifname
, bss
->bandwidth
,
3685 params
->freq
->bandwidth
);
3686 ret
= nl80211_set_channel(bss
, params
->freq
, 1);
3688 wpa_printf(MSG_DEBUG
,
3689 "nl80211: Frequency set failed: %d (%s)",
3690 ret
, strerror(-ret
));
3692 wpa_printf(MSG_DEBUG
,
3693 "nl80211: Frequency set succeeded for ht2040 coex");
3694 bss
->bandwidth
= params
->freq
->bandwidth
;
3696 } else if (!beacon_set
) {
3698 * cfg80211 updates the driver on frequence change in AP
3699 * mode only at the point when beaconing is started, so
3700 * set the initial value here.
3702 bss
->bandwidth
= params
->freq
->bandwidth
;
3712 static int nl80211_put_freq_params(struct nl_msg
*msg
,
3713 const struct hostapd_freq_params
*freq
)
3715 wpa_printf(MSG_DEBUG
, " * freq=%d", freq
->freq
);
3716 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
->freq
))
3719 wpa_printf(MSG_DEBUG
, " * vht_enabled=%d", freq
->vht_enabled
);
3720 wpa_printf(MSG_DEBUG
, " * ht_enabled=%d", freq
->ht_enabled
);
3722 if (freq
->vht_enabled
) {
3723 enum nl80211_chan_width cw
;
3725 wpa_printf(MSG_DEBUG
, " * bandwidth=%d", freq
->bandwidth
);
3726 switch (freq
->bandwidth
) {
3728 cw
= NL80211_CHAN_WIDTH_20
;
3731 cw
= NL80211_CHAN_WIDTH_40
;
3734 if (freq
->center_freq2
)
3735 cw
= NL80211_CHAN_WIDTH_80P80
;
3737 cw
= NL80211_CHAN_WIDTH_80
;
3740 cw
= NL80211_CHAN_WIDTH_160
;
3746 wpa_printf(MSG_DEBUG
, " * channel_width=%d", cw
);
3747 wpa_printf(MSG_DEBUG
, " * center_freq1=%d",
3748 freq
->center_freq1
);
3749 wpa_printf(MSG_DEBUG
, " * center_freq2=%d",
3750 freq
->center_freq2
);
3751 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, cw
) ||
3752 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
,
3753 freq
->center_freq1
) ||
3754 (freq
->center_freq2
&&
3755 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
,
3756 freq
->center_freq2
)))
3758 } else if (freq
->ht_enabled
) {
3759 enum nl80211_channel_type ct
;
3761 wpa_printf(MSG_DEBUG
, " * sec_channel_offset=%d",
3762 freq
->sec_channel_offset
);
3763 switch (freq
->sec_channel_offset
) {
3765 ct
= NL80211_CHAN_HT40MINUS
;
3768 ct
= NL80211_CHAN_HT40PLUS
;
3771 ct
= NL80211_CHAN_HT20
;
3775 wpa_printf(MSG_DEBUG
, " * channel_type=%d", ct
);
3776 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, ct
))
3783 static int nl80211_set_channel(struct i802_bss
*bss
,
3784 struct hostapd_freq_params
*freq
, int set_chan
)
3786 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3790 wpa_printf(MSG_DEBUG
,
3791 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
3792 freq
->freq
, freq
->ht_enabled
, freq
->vht_enabled
,
3793 freq
->bandwidth
, freq
->center_freq1
, freq
->center_freq2
);
3795 msg
= nl80211_drv_msg(drv
, 0, set_chan
? NL80211_CMD_SET_CHANNEL
:
3796 NL80211_CMD_SET_WIPHY
);
3797 if (!msg
|| nl80211_put_freq_params(msg
, freq
) < 0) {
3802 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
3804 bss
->freq
= freq
->freq
;
3807 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set channel (freq=%d): "
3808 "%d (%s)", freq
->freq
, ret
, strerror(-ret
));
3813 static u32
sta_flags_nl80211(int flags
)
3817 if (flags
& WPA_STA_AUTHORIZED
)
3818 f
|= BIT(NL80211_STA_FLAG_AUTHORIZED
);
3819 if (flags
& WPA_STA_WMM
)
3820 f
|= BIT(NL80211_STA_FLAG_WME
);
3821 if (flags
& WPA_STA_SHORT_PREAMBLE
)
3822 f
|= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
);
3823 if (flags
& WPA_STA_MFP
)
3824 f
|= BIT(NL80211_STA_FLAG_MFP
);
3825 if (flags
& WPA_STA_TDLS_PEER
)
3826 f
|= BIT(NL80211_STA_FLAG_TDLS_PEER
);
3827 if (flags
& WPA_STA_AUTHENTICATED
)
3828 f
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
3829 if (flags
& WPA_STA_ASSOCIATED
)
3830 f
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
3837 static u32
sta_plink_state_nl80211(enum mesh_plink_state state
)
3841 return NL80211_PLINK_LISTEN
;
3842 case PLINK_OPEN_SENT
:
3843 return NL80211_PLINK_OPN_SNT
;
3844 case PLINK_OPEN_RCVD
:
3845 return NL80211_PLINK_OPN_RCVD
;
3846 case PLINK_CNF_RCVD
:
3847 return NL80211_PLINK_CNF_RCVD
;
3849 return NL80211_PLINK_ESTAB
;
3851 return NL80211_PLINK_HOLDING
;
3853 return NL80211_PLINK_BLOCKED
;
3855 wpa_printf(MSG_ERROR
, "nl80211: Invalid mesh plink state %d",
3860 #endif /* CONFIG_MESH */
3863 static int wpa_driver_nl80211_sta_add(void *priv
,
3864 struct hostapd_sta_add_params
*params
)
3866 struct i802_bss
*bss
= priv
;
3867 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
3869 struct nl80211_sta_flag_update upd
;
3872 if ((params
->flags
& WPA_STA_TDLS_PEER
) &&
3873 !(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
))
3876 wpa_printf(MSG_DEBUG
, "nl80211: %s STA " MACSTR
,
3877 params
->set
? "Set" : "Add", MAC2STR(params
->addr
));
3878 msg
= nl80211_bss_msg(bss
, 0, params
->set
? NL80211_CMD_SET_STATION
:
3879 NL80211_CMD_NEW_STATION
);
3880 if (!msg
|| nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, params
->addr
))
3884 * Set the below properties only in one of the following cases:
3885 * 1. New station is added, already associated.
3886 * 2. Set WPA_STA_TDLS_PEER station.
3887 * 3. Set an already added unassociated station, if driver supports
3888 * full AP client state. (Set these properties after station became
3889 * associated will be rejected by the driver).
3891 if (!params
->set
|| (params
->flags
& WPA_STA_TDLS_PEER
) ||
3892 (params
->set
&& FULL_AP_CLIENT_STATE_SUPP(drv
->capa
.flags
) &&
3893 (params
->flags
& WPA_STA_ASSOCIATED
))) {
3894 wpa_hexdump(MSG_DEBUG
, " * supported rates",
3895 params
->supp_rates
, params
->supp_rates_len
);
3896 wpa_printf(MSG_DEBUG
, " * capability=0x%x",
3897 params
->capability
);
3898 if (nla_put(msg
, NL80211_ATTR_STA_SUPPORTED_RATES
,
3899 params
->supp_rates_len
, params
->supp_rates
) ||
3900 nla_put_u16(msg
, NL80211_ATTR_STA_CAPABILITY
,
3901 params
->capability
))
3904 if (params
->ht_capabilities
) {
3905 wpa_hexdump(MSG_DEBUG
, " * ht_capabilities",
3906 (u8
*) params
->ht_capabilities
,
3907 sizeof(*params
->ht_capabilities
));
3908 if (nla_put(msg
, NL80211_ATTR_HT_CAPABILITY
,
3909 sizeof(*params
->ht_capabilities
),
3910 params
->ht_capabilities
))
3914 if (params
->vht_capabilities
) {
3915 wpa_hexdump(MSG_DEBUG
, " * vht_capabilities",
3916 (u8
*) params
->vht_capabilities
,
3917 sizeof(*params
->vht_capabilities
));
3918 if (nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY
,
3919 sizeof(*params
->vht_capabilities
),
3920 params
->vht_capabilities
))
3924 if (params
->ext_capab
) {
3925 wpa_hexdump(MSG_DEBUG
, " * ext_capab",
3926 params
->ext_capab
, params
->ext_capab_len
);
3927 if (nla_put(msg
, NL80211_ATTR_STA_EXT_CAPABILITY
,
3928 params
->ext_capab_len
, params
->ext_capab
))
3932 if (is_ap_interface(drv
->nlmode
) &&
3933 nla_put_u8(msg
, NL80211_ATTR_STA_SUPPORT_P2P_PS
,
3934 params
->support_p2p_ps
?
3935 NL80211_P2P_PS_SUPPORTED
:
3936 NL80211_P2P_PS_UNSUPPORTED
))
3941 wpa_printf(MSG_DEBUG
, " * aid=%u", params
->aid
);
3942 if (nla_put_u16(msg
, NL80211_ATTR_STA_AID
, params
->aid
))
3946 * cfg80211 validates that AID is non-zero, so we have
3947 * to make this a non-zero value for the TDLS case where
3948 * a dummy STA entry is used for now and for a station
3949 * that is still not associated.
3951 wpa_printf(MSG_DEBUG
, " * aid=1 (%s workaround)",
3952 (params
->flags
& WPA_STA_TDLS_PEER
) ?
3953 "TDLS" : "UNASSOC_STA");
3954 if (nla_put_u16(msg
, NL80211_ATTR_STA_AID
, 1))
3957 wpa_printf(MSG_DEBUG
, " * listen_interval=%u",
3958 params
->listen_interval
);
3959 if (nla_put_u16(msg
, NL80211_ATTR_STA_LISTEN_INTERVAL
,
3960 params
->listen_interval
))
3962 } else if (params
->aid
&& (params
->flags
& WPA_STA_TDLS_PEER
)) {
3963 wpa_printf(MSG_DEBUG
, " * peer_aid=%u", params
->aid
);
3964 if (nla_put_u16(msg
, NL80211_ATTR_PEER_AID
, params
->aid
))
3966 } else if (FULL_AP_CLIENT_STATE_SUPP(drv
->capa
.flags
) &&
3967 (params
->flags
& WPA_STA_ASSOCIATED
)) {
3968 wpa_printf(MSG_DEBUG
, " * aid=%u", params
->aid
);
3969 wpa_printf(MSG_DEBUG
, " * listen_interval=%u",
3970 params
->listen_interval
);
3971 if (nla_put_u16(msg
, NL80211_ATTR_STA_AID
, params
->aid
) ||
3972 nla_put_u16(msg
, NL80211_ATTR_STA_LISTEN_INTERVAL
,
3973 params
->listen_interval
))
3977 if (params
->vht_opmode_enabled
) {
3978 wpa_printf(MSG_DEBUG
, " * opmode=%u", params
->vht_opmode
);
3979 if (nla_put_u8(msg
, NL80211_ATTR_OPMODE_NOTIF
,
3980 params
->vht_opmode
))
3984 if (params
->supp_channels
) {
3985 wpa_hexdump(MSG_DEBUG
, " * supported channels",
3986 params
->supp_channels
, params
->supp_channels_len
);
3987 if (nla_put(msg
, NL80211_ATTR_STA_SUPPORTED_CHANNELS
,
3988 params
->supp_channels_len
, params
->supp_channels
))
3992 if (params
->supp_oper_classes
) {
3993 wpa_hexdump(MSG_DEBUG
, " * supported operating classes",
3994 params
->supp_oper_classes
,
3995 params
->supp_oper_classes_len
);
3996 if (nla_put(msg
, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
,
3997 params
->supp_oper_classes_len
,
3998 params
->supp_oper_classes
))
4002 os_memset(&upd
, 0, sizeof(upd
));
4003 upd
.set
= sta_flags_nl80211(params
->flags
);
4004 upd
.mask
= upd
.set
| sta_flags_nl80211(params
->flags_mask
);
4007 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
4008 * flags, as nl80211 driver moves a new station, by default, into
4011 * On the other hand, if the driver supports that feature and the
4012 * station is added in unauthenticated state, set the
4013 * authenticated/associated bits in the mask to prevent moving this
4014 * station to associated state before it is actually associated.
4016 * This is irrelevant for mesh mode where the station is added to the
4017 * driver as authenticated already, and ASSOCIATED isn't part of the
4020 if (!is_mesh_interface(drv
->nlmode
)) {
4021 if (!FULL_AP_CLIENT_STATE_SUPP(drv
->capa
.flags
)) {
4022 wpa_printf(MSG_DEBUG
,
4023 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
4024 upd
.mask
&= ~(BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4025 BIT(NL80211_STA_FLAG_AUTHENTICATED
));
4026 } else if (!params
->set
&&
4027 !(params
->flags
& WPA_STA_TDLS_PEER
)) {
4028 if (!(params
->flags
& WPA_STA_AUTHENTICATED
))
4029 upd
.mask
|= BIT(NL80211_STA_FLAG_AUTHENTICATED
);
4030 if (!(params
->flags
& WPA_STA_ASSOCIATED
))
4031 upd
.mask
|= BIT(NL80211_STA_FLAG_ASSOCIATED
);
4035 wpa_printf(MSG_DEBUG
, " * flags set=0x%x mask=0x%x",
4037 if (nla_put(msg
, NL80211_ATTR_STA_FLAGS2
, sizeof(upd
), &upd
))
4041 if (params
->plink_state
&&
4042 nla_put_u8(msg
, NL80211_ATTR_STA_PLINK_STATE
,
4043 sta_plink_state_nl80211(params
->plink_state
)))
4045 #endif /* CONFIG_MESH */
4047 if (params
->flags
& WPA_STA_WMM
) {
4048 struct nlattr
*wme
= nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
4050 wpa_printf(MSG_DEBUG
, " * qosinfo=0x%x", params
->qosinfo
);
4052 nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
4053 params
->qosinfo
& WMM_QOSINFO_STA_AC_MASK
) ||
4054 nla_put_u8(msg
, NL80211_STA_WME_MAX_SP
,
4055 (params
->qosinfo
>> WMM_QOSINFO_STA_SP_SHIFT
) &
4056 WMM_QOSINFO_STA_SP_MASK
))
4058 nla_nest_end(msg
, wme
);
4061 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
4064 wpa_printf(MSG_DEBUG
, "nl80211: NL80211_CMD_%s_STATION "
4065 "result: %d (%s)", params
->set
? "SET" : "NEW", ret
,
4075 static void rtnl_neigh_delete_fdb_entry(struct i802_bss
*bss
, const u8
*addr
)
4077 #ifdef CONFIG_LIBNL3_ROUTE
4078 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4079 struct rtnl_neigh
*rn
;
4080 struct nl_addr
*nl_addr
;
4083 rn
= rtnl_neigh_alloc();
4087 rtnl_neigh_set_family(rn
, AF_BRIDGE
);
4088 rtnl_neigh_set_ifindex(rn
, bss
->ifindex
);
4089 nl_addr
= nl_addr_build(AF_BRIDGE
, (void *) addr
, ETH_ALEN
);
4094 rtnl_neigh_set_lladdr(rn
, nl_addr
);
4096 err
= rtnl_neigh_delete(drv
->rtnl_sk
, rn
, 0);
4098 wpa_printf(MSG_DEBUG
, "nl80211: bridge FDB entry delete for "
4099 MACSTR
" ifindex=%d failed: %s", MAC2STR(addr
),
4100 bss
->ifindex
, nl_geterror(err
));
4102 wpa_printf(MSG_DEBUG
, "nl80211: deleted bridge FDB entry for "
4103 MACSTR
, MAC2STR(addr
));
4106 nl_addr_put(nl_addr
);
4108 #endif /* CONFIG_LIBNL3_ROUTE */
4112 static int wpa_driver_nl80211_sta_remove(struct i802_bss
*bss
, const u8
*addr
,
4113 int deauth
, u16 reason_code
)
4115 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4119 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_DEL_STATION
)) ||
4120 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
4122 nla_put_u8(msg
, NL80211_ATTR_MGMT_SUBTYPE
,
4123 WLAN_FC_STYPE_DISASSOC
)) ||
4125 nla_put_u8(msg
, NL80211_ATTR_MGMT_SUBTYPE
,
4126 WLAN_FC_STYPE_DEAUTH
)) ||
4128 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
))) {
4133 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
4134 wpa_printf(MSG_DEBUG
, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
4136 bss
->ifname
, MAC2STR(addr
), ret
, strerror(-ret
));
4139 rtnl_neigh_delete_fdb_entry(bss
, addr
);
4147 void nl80211_remove_iface(struct wpa_driver_nl80211_data
*drv
, int ifidx
)
4150 struct wpa_driver_nl80211_data
*drv2
;
4152 wpa_printf(MSG_DEBUG
, "nl80211: Remove interface ifindex=%d", ifidx
);
4154 /* stop listening for EAPOL on this interface */
4155 dl_list_for_each(drv2
, &drv
->global
->interfaces
,
4156 struct wpa_driver_nl80211_data
, list
)
4158 del_ifidx(drv2
, ifidx
, IFIDX_ANY
);
4159 /* Remove all bridges learned for this iface */
4160 del_ifidx(drv2
, IFIDX_ANY
, ifidx
);
4163 msg
= nl80211_ifindex_msg(drv
, ifidx
, 0, NL80211_CMD_DEL_INTERFACE
);
4164 if (send_and_recv_msgs(drv
, msg
, NULL
, NULL
) == 0)
4166 wpa_printf(MSG_ERROR
, "Failed to remove interface (ifidx=%d)", ifidx
);
4170 const char * nl80211_iftype_str(enum nl80211_iftype mode
)
4173 case NL80211_IFTYPE_ADHOC
:
4175 case NL80211_IFTYPE_STATION
:
4177 case NL80211_IFTYPE_AP
:
4179 case NL80211_IFTYPE_AP_VLAN
:
4181 case NL80211_IFTYPE_WDS
:
4183 case NL80211_IFTYPE_MONITOR
:
4185 case NL80211_IFTYPE_MESH_POINT
:
4186 return "MESH_POINT";
4187 case NL80211_IFTYPE_P2P_CLIENT
:
4188 return "P2P_CLIENT";
4189 case NL80211_IFTYPE_P2P_GO
:
4191 case NL80211_IFTYPE_P2P_DEVICE
:
4192 return "P2P_DEVICE";
4199 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data
*drv
,
4201 enum nl80211_iftype iftype
,
4202 const u8
*addr
, int wds
,
4203 int (*handler
)(struct nl_msg
*, void *),
4210 wpa_printf(MSG_DEBUG
, "nl80211: Create interface iftype %d (%s)",
4211 iftype
, nl80211_iftype_str(iftype
));
4213 msg
= nl80211_cmd_msg(drv
->first_bss
, 0, NL80211_CMD_NEW_INTERFACE
);
4215 nla_put_string(msg
, NL80211_ATTR_IFNAME
, ifname
) ||
4216 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, iftype
))
4219 if (iftype
== NL80211_IFTYPE_MONITOR
) {
4220 struct nlattr
*flags
;
4222 flags
= nla_nest_start(msg
, NL80211_ATTR_MNTR_FLAGS
);
4224 nla_put_flag(msg
, NL80211_MNTR_FLAG_COOK_FRAMES
))
4227 nla_nest_end(msg
, flags
);
4229 if (nla_put_u8(msg
, NL80211_ATTR_4ADDR
, wds
))
4234 * Tell cfg80211 that the interface belongs to the socket that created
4235 * it, and the interface should be deleted when the socket is closed.
4237 if (nla_put_flag(msg
, NL80211_ATTR_IFACE_SOCKET_OWNER
))
4240 ret
= send_and_recv_msgs(drv
, msg
, handler
, arg
);
4245 wpa_printf(MSG_ERROR
, "Failed to create interface %s: %d (%s)",
4246 ifname
, ret
, strerror(-ret
));
4250 if (iftype
== NL80211_IFTYPE_P2P_DEVICE
)
4253 ifidx
= if_nametoindex(ifname
);
4254 wpa_printf(MSG_DEBUG
, "nl80211: New interface %s created: ifindex=%d",
4261 * Some virtual interfaces need to process EAPOL packets and events on
4262 * the parent interface. This is used mainly with hostapd.
4265 iftype
== NL80211_IFTYPE_AP_VLAN
||
4266 iftype
== NL80211_IFTYPE_WDS
||
4267 iftype
== NL80211_IFTYPE_MONITOR
) {
4268 /* start listening for EAPOL on this interface */
4269 add_ifidx(drv
, ifidx
, IFIDX_ANY
);
4272 if (addr
&& iftype
!= NL80211_IFTYPE_MONITOR
&&
4273 linux_set_ifhwaddr(drv
->global
->ioctl_sock
, ifname
, addr
)) {
4274 nl80211_remove_iface(drv
, ifidx
);
4282 int nl80211_create_iface(struct wpa_driver_nl80211_data
*drv
,
4283 const char *ifname
, enum nl80211_iftype iftype
,
4284 const u8
*addr
, int wds
,
4285 int (*handler
)(struct nl_msg
*, void *),
4286 void *arg
, int use_existing
)
4290 ret
= nl80211_create_iface_once(drv
, ifname
, iftype
, addr
, wds
, handler
,
4293 /* if error occurred and interface exists already */
4294 if (ret
== -ENFILE
&& if_nametoindex(ifname
)) {
4296 wpa_printf(MSG_DEBUG
, "nl80211: Continue using existing interface %s",
4298 if (addr
&& iftype
!= NL80211_IFTYPE_MONITOR
&&
4299 linux_set_ifhwaddr(drv
->global
->ioctl_sock
, ifname
,
4301 (linux_set_iface_flags(drv
->global
->ioctl_sock
,
4303 linux_set_ifhwaddr(drv
->global
->ioctl_sock
, ifname
,
4305 linux_set_iface_flags(drv
->global
->ioctl_sock
,
4310 wpa_printf(MSG_INFO
, "Try to remove and re-create %s", ifname
);
4312 /* Try to remove the interface that was already there. */
4313 nl80211_remove_iface(drv
, if_nametoindex(ifname
));
4315 /* Try to create the interface again */
4316 ret
= nl80211_create_iface_once(drv
, ifname
, iftype
, addr
,
4320 if (ret
>= 0 && is_p2p_net_interface(iftype
)) {
4321 wpa_printf(MSG_DEBUG
,
4322 "nl80211: Interface %s created for P2P - disable 11b rates",
4324 nl80211_disable_11b_rates(drv
, ret
, 1);
4331 static int nl80211_setup_ap(struct i802_bss
*bss
)
4333 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4335 wpa_printf(MSG_DEBUG
, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
4336 bss
->ifname
, drv
->device_ap_sme
, drv
->use_monitor
);
4339 * Disable Probe Request reporting unless we need it in this way for
4340 * devices that include the AP SME, in the other case (unless using
4341 * monitor iface) we'll get it through the nl_mgmt socket instead.
4343 if (!drv
->device_ap_sme
)
4344 wpa_driver_nl80211_probe_req_report(bss
, 0);
4346 if (!drv
->device_ap_sme
&& !drv
->use_monitor
)
4347 if (nl80211_mgmt_subscribe_ap(bss
))
4350 if (drv
->device_ap_sme
&& !drv
->use_monitor
)
4351 if (nl80211_mgmt_subscribe_ap_dev_sme(bss
))
4352 wpa_printf(MSG_DEBUG
,
4353 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
4355 if (!drv
->device_ap_sme
&& drv
->use_monitor
&&
4356 nl80211_create_monitor_interface(drv
) &&
4357 !drv
->device_ap_sme
)
4360 if (drv
->device_ap_sme
&&
4361 wpa_driver_nl80211_probe_req_report(bss
, 1) < 0) {
4362 wpa_printf(MSG_DEBUG
, "nl80211: Failed to enable "
4363 "Probe Request frame reporting in AP mode");
4364 /* Try to survive without this */
4371 static void nl80211_teardown_ap(struct i802_bss
*bss
)
4373 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4375 wpa_printf(MSG_DEBUG
, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
4376 bss
->ifname
, drv
->device_ap_sme
, drv
->use_monitor
);
4377 if (drv
->device_ap_sme
) {
4378 wpa_driver_nl80211_probe_req_report(bss
, 0);
4379 if (!drv
->use_monitor
)
4380 nl80211_mgmt_unsubscribe(bss
, "AP teardown (dev SME)");
4381 } else if (drv
->use_monitor
)
4382 nl80211_remove_monitor_interface(drv
);
4384 nl80211_mgmt_unsubscribe(bss
, "AP teardown");
4386 bss
->beacon_set
= 0;
4390 static int nl80211_send_eapol_data(struct i802_bss
*bss
,
4391 const u8
*addr
, const u8
*data
,
4394 struct sockaddr_ll ll
;
4397 if (bss
->drv
->eapol_tx_sock
< 0) {
4398 wpa_printf(MSG_DEBUG
, "nl80211: No socket to send EAPOL");
4402 os_memset(&ll
, 0, sizeof(ll
));
4403 ll
.sll_family
= AF_PACKET
;
4404 ll
.sll_ifindex
= bss
->ifindex
;
4405 ll
.sll_protocol
= htons(ETH_P_PAE
);
4406 ll
.sll_halen
= ETH_ALEN
;
4407 os_memcpy(ll
.sll_addr
, addr
, ETH_ALEN
);
4408 ret
= sendto(bss
->drv
->eapol_tx_sock
, data
, data_len
, 0,
4409 (struct sockaddr
*) &ll
, sizeof(ll
));
4411 wpa_printf(MSG_ERROR
, "nl80211: EAPOL TX: %s",
4418 static const u8 rfc1042_header
[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
4420 static int wpa_driver_nl80211_hapd_send_eapol(
4421 void *priv
, const u8
*addr
, const u8
*data
,
4422 size_t data_len
, int encrypt
, const u8
*own_addr
, u32 flags
)
4424 struct i802_bss
*bss
= priv
;
4425 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
4426 struct ieee80211_hdr
*hdr
;
4430 int qos
= flags
& WPA_STA_WMM
;
4432 if (drv
->device_ap_sme
|| !drv
->use_monitor
)
4433 return nl80211_send_eapol_data(bss
, addr
, data
, data_len
);
4435 len
= sizeof(*hdr
) + (qos
? 2 : 0) + sizeof(rfc1042_header
) + 2 +
4437 hdr
= os_zalloc(len
);
4439 wpa_printf(MSG_INFO
, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
4440 (unsigned long) len
);
4444 hdr
->frame_control
=
4445 IEEE80211_FC(WLAN_FC_TYPE_DATA
, WLAN_FC_STYPE_DATA
);
4446 hdr
->frame_control
|= host_to_le16(WLAN_FC_FROMDS
);
4448 hdr
->frame_control
|= host_to_le16(WLAN_FC_ISWEP
);
4450 hdr
->frame_control
|=
4451 host_to_le16(WLAN_FC_STYPE_QOS_DATA
<< 4);
4454 memcpy(hdr
->IEEE80211_DA_FROMDS
, addr
, ETH_ALEN
);
4455 memcpy(hdr
->IEEE80211_BSSID_FROMDS
, own_addr
, ETH_ALEN
);
4456 memcpy(hdr
->IEEE80211_SA_FROMDS
, own_addr
, ETH_ALEN
);
4457 pos
= (u8
*) (hdr
+ 1);
4460 /* Set highest priority in QoS header */
4466 memcpy(pos
, rfc1042_header
, sizeof(rfc1042_header
));
4467 pos
+= sizeof(rfc1042_header
);
4468 WPA_PUT_BE16(pos
, ETH_P_PAE
);
4470 memcpy(pos
, data
, data_len
);
4472 res
= wpa_driver_nl80211_send_frame(bss
, (u8
*) hdr
, len
, encrypt
, 0,
4473 0, 0, 0, 0, NULL
, 0);
4475 wpa_printf(MSG_ERROR
, "i802_send_eapol - packet len: %lu - "
4477 (unsigned long) len
, errno
, strerror(errno
));
4485 static int wpa_driver_nl80211_sta_set_flags(void *priv
, const u8
*addr
,
4486 unsigned int total_flags
,
4487 unsigned int flags_or
,
4488 unsigned int flags_and
)
4490 struct i802_bss
*bss
= priv
;
4492 struct nlattr
*flags
;
4493 struct nl80211_sta_flag_update upd
;
4495 wpa_printf(MSG_DEBUG
, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
4496 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
4497 bss
->ifname
, MAC2STR(addr
), total_flags
, flags_or
, flags_and
,
4498 !!(total_flags
& WPA_STA_AUTHORIZED
));
4500 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_STATION
)) ||
4501 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
4505 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
4506 * can be removed eventually.
4508 flags
= nla_nest_start(msg
, NL80211_ATTR_STA_FLAGS
);
4510 ((total_flags
& WPA_STA_AUTHORIZED
) &&
4511 nla_put_flag(msg
, NL80211_STA_FLAG_AUTHORIZED
)) ||
4512 ((total_flags
& WPA_STA_WMM
) &&
4513 nla_put_flag(msg
, NL80211_STA_FLAG_WME
)) ||
4514 ((total_flags
& WPA_STA_SHORT_PREAMBLE
) &&
4515 nla_put_flag(msg
, NL80211_STA_FLAG_SHORT_PREAMBLE
)) ||
4516 ((total_flags
& WPA_STA_MFP
) &&
4517 nla_put_flag(msg
, NL80211_STA_FLAG_MFP
)) ||
4518 ((total_flags
& WPA_STA_TDLS_PEER
) &&
4519 nla_put_flag(msg
, NL80211_STA_FLAG_TDLS_PEER
)))
4522 nla_nest_end(msg
, flags
);
4524 os_memset(&upd
, 0, sizeof(upd
));
4525 upd
.mask
= sta_flags_nl80211(flags_or
| ~flags_and
);
4526 upd
.set
= sta_flags_nl80211(flags_or
);
4527 if (nla_put(msg
, NL80211_ATTR_STA_FLAGS2
, sizeof(upd
), &upd
))
4530 return send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
4537 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data
*drv
,
4538 struct wpa_driver_associate_params
*params
)
4540 enum nl80211_iftype nlmode
, old_mode
;
4543 wpa_printf(MSG_DEBUG
, "nl80211: Setup AP operations for P2P "
4545 nlmode
= NL80211_IFTYPE_P2P_GO
;
4547 nlmode
= NL80211_IFTYPE_AP
;
4549 old_mode
= drv
->nlmode
;
4550 if (wpa_driver_nl80211_set_mode(drv
->first_bss
, nlmode
)) {
4551 nl80211_remove_monitor_interface(drv
);
4555 if (params
->freq
.freq
&&
4556 nl80211_set_channel(drv
->first_bss
, ¶ms
->freq
, 0)) {
4557 if (old_mode
!= nlmode
)
4558 wpa_driver_nl80211_set_mode(drv
->first_bss
, old_mode
);
4559 nl80211_remove_monitor_interface(drv
);
4567 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data
*drv
,
4573 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_LEAVE_IBSS
);
4574 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
4576 wpa_printf(MSG_DEBUG
, "nl80211: Leave IBSS failed: ret=%d "
4577 "(%s)", ret
, strerror(-ret
));
4579 wpa_printf(MSG_DEBUG
,
4580 "nl80211: Leave IBSS request sent successfully");
4584 wpa_driver_nl80211_set_mode(drv
->first_bss
,
4585 NL80211_IFTYPE_STATION
)) {
4586 wpa_printf(MSG_INFO
, "nl80211: Failed to set interface into "
4594 static int nl80211_ht_vht_overrides(struct nl_msg
*msg
,
4595 struct wpa_driver_associate_params
*params
)
4597 if (params
->disable_ht
&& nla_put_flag(msg
, NL80211_ATTR_DISABLE_HT
))
4600 if (params
->htcaps
&& params
->htcaps_mask
) {
4601 int sz
= sizeof(struct ieee80211_ht_capabilities
);
4602 wpa_hexdump(MSG_DEBUG
, " * htcaps", params
->htcaps
, sz
);
4603 wpa_hexdump(MSG_DEBUG
, " * htcaps_mask",
4604 params
->htcaps_mask
, sz
);
4605 if (nla_put(msg
, NL80211_ATTR_HT_CAPABILITY
, sz
,
4607 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
, sz
,
4608 params
->htcaps_mask
))
4612 #ifdef CONFIG_VHT_OVERRIDES
4613 if (params
->disable_vht
) {
4614 wpa_printf(MSG_DEBUG
, " * VHT disabled");
4615 if (nla_put_flag(msg
, NL80211_ATTR_DISABLE_VHT
))
4619 if (params
->vhtcaps
&& params
->vhtcaps_mask
) {
4620 int sz
= sizeof(struct ieee80211_vht_capabilities
);
4621 wpa_hexdump(MSG_DEBUG
, " * vhtcaps", params
->vhtcaps
, sz
);
4622 wpa_hexdump(MSG_DEBUG
, " * vhtcaps_mask",
4623 params
->vhtcaps_mask
, sz
);
4624 if (nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY
, sz
,
4626 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
, sz
,
4627 params
->vhtcaps_mask
))
4630 #endif /* CONFIG_VHT_OVERRIDES */
4636 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data
*drv
,
4637 struct wpa_driver_associate_params
*params
)
4643 wpa_printf(MSG_DEBUG
, "nl80211: Join IBSS (ifindex=%d)", drv
->ifindex
);
4645 if (wpa_driver_nl80211_set_mode_ibss(drv
->first_bss
, ¶ms
->freq
)) {
4646 wpa_printf(MSG_INFO
, "nl80211: Failed to set interface into "
4652 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_JOIN_IBSS
)) ||
4653 params
->ssid
== NULL
|| params
->ssid_len
> sizeof(drv
->ssid
))
4656 wpa_hexdump_ascii(MSG_DEBUG
, " * SSID",
4657 params
->ssid
, params
->ssid_len
);
4658 if (nla_put(msg
, NL80211_ATTR_SSID
, params
->ssid_len
, params
->ssid
))
4660 os_memcpy(drv
->ssid
, params
->ssid
, params
->ssid_len
);
4661 drv
->ssid_len
= params
->ssid_len
;
4663 if (nl80211_put_freq_params(msg
, ¶ms
->freq
) < 0 ||
4664 nl80211_put_beacon_int(msg
, params
->beacon_int
))
4667 ret
= nl80211_set_conn_keys(params
, msg
);
4671 if (params
->bssid
&& params
->fixed_bssid
) {
4672 wpa_printf(MSG_DEBUG
, " * BSSID=" MACSTR
,
4673 MAC2STR(params
->bssid
));
4674 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, params
->bssid
))
4678 if (params
->fixed_freq
) {
4679 wpa_printf(MSG_DEBUG
, " * fixed_freq");
4680 if (nla_put_flag(msg
, NL80211_ATTR_FREQ_FIXED
))
4684 if (params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X
||
4685 params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK
||
4686 params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SHA256
||
4687 params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK_SHA256
) {
4688 wpa_printf(MSG_DEBUG
, " * control port");
4689 if (nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT
))
4693 if (params
->wpa_ie
) {
4694 wpa_hexdump(MSG_DEBUG
,
4695 " * Extra IEs for Beacon/Probe Response frames",
4696 params
->wpa_ie
, params
->wpa_ie_len
);
4697 if (nla_put(msg
, NL80211_ATTR_IE
, params
->wpa_ie_len
,
4702 ret
= nl80211_ht_vht_overrides(msg
, params
);
4706 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
4709 wpa_printf(MSG_DEBUG
, "nl80211: Join IBSS failed: ret=%d (%s)",
4710 ret
, strerror(-ret
));
4712 if (ret
== -EALREADY
&& count
== 1) {
4713 wpa_printf(MSG_DEBUG
, "nl80211: Retry IBSS join after "
4715 nl80211_leave_ibss(drv
, 0);
4720 wpa_printf(MSG_DEBUG
,
4721 "nl80211: Join IBSS request sent successfully");
4730 static int nl80211_connect_common(struct wpa_driver_nl80211_data
*drv
,
4731 struct wpa_driver_associate_params
*params
,
4734 if (params
->bssid
) {
4735 wpa_printf(MSG_DEBUG
, " * bssid=" MACSTR
,
4736 MAC2STR(params
->bssid
));
4737 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, params
->bssid
))
4741 if (params
->bssid_hint
) {
4742 wpa_printf(MSG_DEBUG
, " * bssid_hint=" MACSTR
,
4743 MAC2STR(params
->bssid_hint
));
4744 if (nla_put(msg
, NL80211_ATTR_MAC_HINT
, ETH_ALEN
,
4745 params
->bssid_hint
))
4749 if (params
->freq
.freq
) {
4750 wpa_printf(MSG_DEBUG
, " * freq=%d", params
->freq
.freq
);
4751 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
4754 drv
->assoc_freq
= params
->freq
.freq
;
4756 drv
->assoc_freq
= 0;
4758 if (params
->freq_hint
) {
4759 wpa_printf(MSG_DEBUG
, " * freq_hint=%d", params
->freq_hint
);
4760 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ_HINT
,
4765 if (params
->bg_scan_period
>= 0) {
4766 wpa_printf(MSG_DEBUG
, " * bg scan period=%d",
4767 params
->bg_scan_period
);
4768 if (nla_put_u16(msg
, NL80211_ATTR_BG_SCAN_PERIOD
,
4769 params
->bg_scan_period
))
4774 wpa_hexdump_ascii(MSG_DEBUG
, " * SSID",
4775 params
->ssid
, params
->ssid_len
);
4776 if (nla_put(msg
, NL80211_ATTR_SSID
, params
->ssid_len
,
4779 if (params
->ssid_len
> sizeof(drv
->ssid
))
4781 os_memcpy(drv
->ssid
, params
->ssid
, params
->ssid_len
);
4782 drv
->ssid_len
= params
->ssid_len
;
4785 wpa_hexdump(MSG_DEBUG
, " * IEs", params
->wpa_ie
, params
->wpa_ie_len
);
4786 if (params
->wpa_ie
&&
4787 nla_put(msg
, NL80211_ATTR_IE
, params
->wpa_ie_len
, params
->wpa_ie
))
4790 if (params
->wpa_proto
) {
4791 enum nl80211_wpa_versions ver
= 0;
4793 if (params
->wpa_proto
& WPA_PROTO_WPA
)
4794 ver
|= NL80211_WPA_VERSION_1
;
4795 if (params
->wpa_proto
& WPA_PROTO_RSN
)
4796 ver
|= NL80211_WPA_VERSION_2
;
4798 wpa_printf(MSG_DEBUG
, " * WPA Versions 0x%x", ver
);
4799 if (nla_put_u32(msg
, NL80211_ATTR_WPA_VERSIONS
, ver
))
4803 if (params
->pairwise_suite
!= WPA_CIPHER_NONE
) {
4804 u32 cipher
= wpa_cipher_to_cipher_suite(params
->pairwise_suite
);
4805 wpa_printf(MSG_DEBUG
, " * pairwise=0x%x", cipher
);
4806 if (nla_put_u32(msg
, NL80211_ATTR_CIPHER_SUITES_PAIRWISE
,
4811 if (params
->group_suite
== WPA_CIPHER_GTK_NOT_USED
&&
4812 !(drv
->capa
.enc
& WPA_DRIVER_CAPA_ENC_GTK_NOT_USED
)) {
4814 * This is likely to work even though many drivers do not
4815 * advertise support for operations without GTK.
4817 wpa_printf(MSG_DEBUG
, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
4818 } else if (params
->group_suite
!= WPA_CIPHER_NONE
) {
4819 u32 cipher
= wpa_cipher_to_cipher_suite(params
->group_suite
);
4820 wpa_printf(MSG_DEBUG
, " * group=0x%x", cipher
);
4821 if (nla_put_u32(msg
, NL80211_ATTR_CIPHER_SUITE_GROUP
, cipher
))
4825 if (params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X
||
4826 params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK
||
4827 params
->key_mgmt_suite
== WPA_KEY_MGMT_FT_IEEE8021X
||
4828 params
->key_mgmt_suite
== WPA_KEY_MGMT_FT_PSK
||
4829 params
->key_mgmt_suite
== WPA_KEY_MGMT_CCKM
||
4830 params
->key_mgmt_suite
== WPA_KEY_MGMT_OSEN
||
4831 params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SHA256
||
4832 params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK_SHA256
||
4833 params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SUITE_B
||
4834 params
->key_mgmt_suite
== WPA_KEY_MGMT_IEEE8021X_SUITE_B_192
) {
4835 int mgmt
= WLAN_AKM_SUITE_PSK
;
4837 switch (params
->key_mgmt_suite
) {
4838 case WPA_KEY_MGMT_CCKM
:
4839 mgmt
= WLAN_AKM_SUITE_CCKM
;
4841 case WPA_KEY_MGMT_IEEE8021X
:
4842 mgmt
= WLAN_AKM_SUITE_8021X
;
4844 case WPA_KEY_MGMT_FT_IEEE8021X
:
4845 mgmt
= WLAN_AKM_SUITE_FT_8021X
;
4847 case WPA_KEY_MGMT_FT_PSK
:
4848 mgmt
= WLAN_AKM_SUITE_FT_PSK
;
4850 case WPA_KEY_MGMT_IEEE8021X_SHA256
:
4851 mgmt
= WLAN_AKM_SUITE_8021X_SHA256
;
4853 case WPA_KEY_MGMT_PSK_SHA256
:
4854 mgmt
= WLAN_AKM_SUITE_PSK_SHA256
;
4856 case WPA_KEY_MGMT_OSEN
:
4857 mgmt
= WLAN_AKM_SUITE_OSEN
;
4859 case WPA_KEY_MGMT_IEEE8021X_SUITE_B
:
4860 mgmt
= WLAN_AKM_SUITE_8021X_SUITE_B
;
4862 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192
:
4863 mgmt
= WLAN_AKM_SUITE_8021X_SUITE_B_192
;
4865 case WPA_KEY_MGMT_PSK
:
4867 mgmt
= WLAN_AKM_SUITE_PSK
;
4870 wpa_printf(MSG_DEBUG
, " * akm=0x%x", mgmt
);
4871 if (nla_put_u32(msg
, NL80211_ATTR_AKM_SUITES
, mgmt
))
4875 if (nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT
))
4878 if (params
->mgmt_frame_protection
== MGMT_FRAME_PROTECTION_REQUIRED
&&
4879 nla_put_u32(msg
, NL80211_ATTR_USE_MFP
, NL80211_MFP_REQUIRED
))
4882 if (params
->rrm_used
) {
4883 u32 drv_rrm_flags
= drv
->capa
.rrm_flags
;
4884 if ((!((drv_rrm_flags
&
4885 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES
) &&
4886 (drv_rrm_flags
& WPA_DRIVER_FLAGS_QUIET
)) &&
4887 !(drv_rrm_flags
& WPA_DRIVER_FLAGS_SUPPORT_RRM
)) ||
4888 nla_put_flag(msg
, NL80211_ATTR_USE_RRM
))
4892 if (nl80211_ht_vht_overrides(msg
, params
) < 0)
4896 wpa_printf(MSG_DEBUG
, " * P2P group");
4899 wpa_printf(MSG_DEBUG
, " * PBSS");
4900 if (nla_put_flag(msg
, NL80211_ATTR_PBSS
))
4904 drv
->connect_reassoc
= 0;
4905 if (params
->prev_bssid
) {
4906 wpa_printf(MSG_DEBUG
, " * prev_bssid=" MACSTR
,
4907 MAC2STR(params
->prev_bssid
));
4908 if (nla_put(msg
, NL80211_ATTR_PREV_BSSID
, ETH_ALEN
,
4909 params
->prev_bssid
))
4911 drv
->connect_reassoc
= 1;
4918 static int wpa_driver_nl80211_try_connect(
4919 struct wpa_driver_nl80211_data
*drv
,
4920 struct wpa_driver_associate_params
*params
)
4923 enum nl80211_auth_type type
;
4927 #ifdef CONFIG_DRIVER_NL80211_QCA
4928 if (params
->req_key_mgmt_offload
&& params
->psk
&&
4929 (params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK
||
4930 params
->key_mgmt_suite
== WPA_KEY_MGMT_PSK_SHA256
||
4931 params
->key_mgmt_suite
== WPA_KEY_MGMT_FT_PSK
)) {
4932 wpa_printf(MSG_DEBUG
, "nl80211: Key management set PSK");
4933 ret
= issue_key_mgmt_set_key(drv
, params
->psk
, 32);
4937 #endif /* CONFIG_DRIVER_NL80211_QCA */
4939 wpa_printf(MSG_DEBUG
, "nl80211: Connect (ifindex=%d)", drv
->ifindex
);
4940 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_CONNECT
);
4944 ret
= nl80211_connect_common(drv
, params
, msg
);
4949 if (params
->auth_alg
& WPA_AUTH_ALG_OPEN
)
4951 if (params
->auth_alg
& WPA_AUTH_ALG_SHARED
)
4953 if (params
->auth_alg
& WPA_AUTH_ALG_LEAP
)
4956 wpa_printf(MSG_DEBUG
, " * Leave out Auth Type for automatic "
4958 goto skip_auth_type
;
4961 if (params
->auth_alg
& WPA_AUTH_ALG_OPEN
)
4962 type
= NL80211_AUTHTYPE_OPEN_SYSTEM
;
4963 else if (params
->auth_alg
& WPA_AUTH_ALG_SHARED
)
4964 type
= NL80211_AUTHTYPE_SHARED_KEY
;
4965 else if (params
->auth_alg
& WPA_AUTH_ALG_LEAP
)
4966 type
= NL80211_AUTHTYPE_NETWORK_EAP
;
4967 else if (params
->auth_alg
& WPA_AUTH_ALG_FT
)
4968 type
= NL80211_AUTHTYPE_FT
;
4972 wpa_printf(MSG_DEBUG
, " * Auth Type %d", type
);
4973 if (nla_put_u32(msg
, NL80211_ATTR_AUTH_TYPE
, type
))
4977 ret
= nl80211_set_conn_keys(params
, msg
);
4981 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
4984 wpa_printf(MSG_DEBUG
, "nl80211: MLME connect failed: ret=%d "
4985 "(%s)", ret
, strerror(-ret
));
4987 wpa_printf(MSG_DEBUG
,
4988 "nl80211: Connect request send successfully");
4998 static int wpa_driver_nl80211_connect(
4999 struct wpa_driver_nl80211_data
*drv
,
5000 struct wpa_driver_associate_params
*params
)
5004 /* Store the connection attempted bssid for future use */
5006 os_memcpy(drv
->auth_attempt_bssid
, params
->bssid
, ETH_ALEN
);
5008 os_memset(drv
->auth_attempt_bssid
, 0, ETH_ALEN
);
5010 ret
= wpa_driver_nl80211_try_connect(drv
, params
);
5011 if (ret
== -EALREADY
) {
5013 * cfg80211 does not currently accept new connections if
5014 * we are already connected. As a workaround, force
5015 * disconnection and try again.
5017 wpa_printf(MSG_DEBUG
, "nl80211: Explicitly "
5018 "disconnecting before reassociation "
5020 if (wpa_driver_nl80211_disconnect(
5021 drv
, WLAN_REASON_PREV_AUTH_NOT_VALID
))
5023 ret
= wpa_driver_nl80211_try_connect(drv
, params
);
5029 static int wpa_driver_nl80211_associate(
5030 void *priv
, struct wpa_driver_associate_params
*params
)
5032 struct i802_bss
*bss
= priv
;
5033 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5037 nl80211_unmask_11b_rates(bss
);
5039 if (params
->mode
== IEEE80211_MODE_AP
)
5040 return wpa_driver_nl80211_ap(drv
, params
);
5042 if (params
->mode
== IEEE80211_MODE_IBSS
)
5043 return wpa_driver_nl80211_ibss(drv
, params
);
5045 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_SME
)) {
5046 enum nl80211_iftype nlmode
= params
->p2p
?
5047 NL80211_IFTYPE_P2P_CLIENT
: NL80211_IFTYPE_STATION
;
5049 if (wpa_driver_nl80211_set_mode(priv
, nlmode
) < 0)
5051 return wpa_driver_nl80211_connect(drv
, params
);
5054 nl80211_mark_disconnected(drv
);
5056 wpa_printf(MSG_DEBUG
, "nl80211: Associate (ifindex=%d)",
5058 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_ASSOCIATE
);
5062 ret
= nl80211_connect_common(drv
, params
, msg
);
5066 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5069 wpa_dbg(drv
->ctx
, MSG_DEBUG
,
5070 "nl80211: MLME command failed (assoc): ret=%d (%s)",
5071 ret
, strerror(-ret
));
5072 nl80211_dump_scan(drv
);
5074 wpa_printf(MSG_DEBUG
,
5075 "nl80211: Association request send successfully");
5084 static int nl80211_set_mode(struct wpa_driver_nl80211_data
*drv
,
5085 int ifindex
, enum nl80211_iftype mode
)
5090 wpa_printf(MSG_DEBUG
, "nl80211: Set mode ifindex %d iftype %d (%s)",
5091 ifindex
, mode
, nl80211_iftype_str(mode
));
5093 msg
= nl80211_cmd_msg(drv
->first_bss
, 0, NL80211_CMD_SET_INTERFACE
);
5094 if (!msg
|| nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, mode
))
5097 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5103 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set interface %d to mode %d:"
5104 " %d (%s)", ifindex
, mode
, ret
, strerror(-ret
));
5109 static int wpa_driver_nl80211_set_mode_impl(
5110 struct i802_bss
*bss
,
5111 enum nl80211_iftype nlmode
,
5112 struct hostapd_freq_params
*desired_freq_params
)
5114 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5117 int was_ap
= is_ap_interface(drv
->nlmode
);
5119 int mode_switch_res
;
5121 mode_switch_res
= nl80211_set_mode(drv
, drv
->ifindex
, nlmode
);
5122 if (mode_switch_res
&& nlmode
== nl80211_get_ifmode(bss
))
5123 mode_switch_res
= 0;
5125 if (mode_switch_res
== 0) {
5126 drv
->nlmode
= nlmode
;
5131 if (mode_switch_res
== -ENODEV
)
5134 if (nlmode
== drv
->nlmode
) {
5135 wpa_printf(MSG_DEBUG
, "nl80211: Interface already in "
5136 "requested mode - ignore error");
5138 goto done
; /* Already in the requested mode */
5141 /* mac80211 doesn't allow mode changes while the device is up, so
5142 * take the device down, try to set the mode again, and bring the
5145 wpa_printf(MSG_DEBUG
, "nl80211: Try mode change after setting "
5147 for (i
= 0; i
< 10; i
++) {
5148 res
= i802_set_iface_flags(bss
, 0);
5149 if (res
== -EACCES
|| res
== -ENODEV
)
5152 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set "
5154 os_sleep(0, 100000);
5159 * Setting the mode will fail for some drivers if the phy is
5160 * on a frequency that the mode is disallowed in.
5162 if (desired_freq_params
) {
5163 res
= nl80211_set_channel(bss
, desired_freq_params
, 0);
5165 wpa_printf(MSG_DEBUG
,
5166 "nl80211: Failed to set frequency on interface");
5170 /* Try to set the mode again while the interface is down */
5171 mode_switch_res
= nl80211_set_mode(drv
, drv
->ifindex
, nlmode
);
5172 if (mode_switch_res
== -EBUSY
) {
5173 wpa_printf(MSG_DEBUG
,
5174 "nl80211: Delaying mode set while interface going down");
5175 os_sleep(0, 100000);
5178 ret
= mode_switch_res
;
5183 wpa_printf(MSG_DEBUG
, "nl80211: Mode change succeeded while "
5184 "interface is down");
5185 drv
->nlmode
= nlmode
;
5186 drv
->ignore_if_down_event
= 1;
5189 /* Bring the interface back up */
5190 res
= linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
, 1);
5192 wpa_printf(MSG_DEBUG
,
5193 "nl80211: Failed to set interface up after switching mode");
5199 wpa_printf(MSG_DEBUG
, "nl80211: Interface mode change to %d "
5200 "from %d failed", nlmode
, drv
->nlmode
);
5204 if (is_p2p_net_interface(nlmode
)) {
5205 wpa_printf(MSG_DEBUG
,
5206 "nl80211: Interface %s mode change to P2P - disable 11b rates",
5208 nl80211_disable_11b_rates(drv
, drv
->ifindex
, 1);
5209 } else if (drv
->disabled_11b_rates
) {
5210 wpa_printf(MSG_DEBUG
,
5211 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
5213 nl80211_disable_11b_rates(drv
, drv
->ifindex
, 0);
5216 if (is_ap_interface(nlmode
)) {
5217 nl80211_mgmt_unsubscribe(bss
, "start AP");
5218 /* Setup additional AP mode functionality if needed */
5219 if (nl80211_setup_ap(bss
))
5221 } else if (was_ap
) {
5222 /* Remove additional AP mode functionality */
5223 nl80211_teardown_ap(bss
);
5225 nl80211_mgmt_unsubscribe(bss
, "mode change");
5228 if (is_mesh_interface(nlmode
) &&
5229 nl80211_mgmt_subscribe_mesh(bss
))
5232 if (!bss
->in_deinit
&& !is_ap_interface(nlmode
) &&
5233 !is_mesh_interface(nlmode
) &&
5234 nl80211_mgmt_subscribe_non_ap(bss
) < 0)
5235 wpa_printf(MSG_DEBUG
, "nl80211: Failed to register Action "
5236 "frame processing - ignore for now");
5242 int wpa_driver_nl80211_set_mode(struct i802_bss
*bss
,
5243 enum nl80211_iftype nlmode
)
5245 return wpa_driver_nl80211_set_mode_impl(bss
, nlmode
, NULL
);
5249 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss
*bss
,
5250 struct hostapd_freq_params
*freq
)
5252 return wpa_driver_nl80211_set_mode_impl(bss
, NL80211_IFTYPE_ADHOC
,
5257 static int wpa_driver_nl80211_get_capa(void *priv
,
5258 struct wpa_driver_capa
*capa
)
5260 struct i802_bss
*bss
= priv
;
5261 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5263 if (!drv
->has_capability
)
5265 os_memcpy(capa
, &drv
->capa
, sizeof(*capa
));
5266 if (drv
->extended_capa
&& drv
->extended_capa_mask
) {
5267 capa
->extended_capa
= drv
->extended_capa
;
5268 capa
->extended_capa_mask
= drv
->extended_capa_mask
;
5269 capa
->extended_capa_len
= drv
->extended_capa_len
;
5276 static int wpa_driver_nl80211_set_operstate(void *priv
, int state
)
5278 struct i802_bss
*bss
= priv
;
5279 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5281 wpa_printf(MSG_DEBUG
, "nl80211: Set %s operstate %d->%d (%s)",
5282 bss
->ifname
, drv
->operstate
, state
,
5283 state
? "UP" : "DORMANT");
5284 drv
->operstate
= state
;
5285 return netlink_send_oper_ifla(drv
->global
->netlink
, drv
->ifindex
, -1,
5286 state
? IF_OPER_UP
: IF_OPER_DORMANT
);
5290 static int wpa_driver_nl80211_set_supp_port(void *priv
, int authorized
)
5292 struct i802_bss
*bss
= priv
;
5293 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5295 struct nl80211_sta_flag_update upd
;
5298 if (!drv
->associated
&& is_zero_ether_addr(drv
->bssid
) && !authorized
) {
5299 wpa_printf(MSG_DEBUG
, "nl80211: Skip set_supp_port(unauthorized) while not associated");
5303 wpa_printf(MSG_DEBUG
, "nl80211: Set supplicant port %sauthorized for "
5304 MACSTR
, authorized
? "" : "un", MAC2STR(drv
->bssid
));
5306 os_memset(&upd
, 0, sizeof(upd
));
5307 upd
.mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
);
5309 upd
.set
= BIT(NL80211_STA_FLAG_AUTHORIZED
);
5311 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_STATION
)) ||
5312 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, drv
->bssid
) ||
5313 nla_put(msg
, NL80211_ATTR_STA_FLAGS2
, sizeof(upd
), &upd
)) {
5318 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5321 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set STA flag: %d (%s)",
5322 ret
, strerror(-ret
));
5327 /* Set kernel driver on given frequency (MHz) */
5328 static int i802_set_freq(void *priv
, struct hostapd_freq_params
*freq
)
5330 struct i802_bss
*bss
= priv
;
5331 return nl80211_set_channel(bss
, freq
, 0);
5335 static inline int min_int(int a
, int b
)
5343 static int get_key_handler(struct nl_msg
*msg
, void *arg
)
5345 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
5346 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
5348 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
5349 genlmsg_attrlen(gnlh
, 0), NULL
);
5352 * TODO: validate the key index and mac address!
5353 * Otherwise, there's a race condition as soon as
5354 * the kernel starts sending key notifications.
5357 if (tb
[NL80211_ATTR_KEY_SEQ
])
5358 memcpy(arg
, nla_data(tb
[NL80211_ATTR_KEY_SEQ
]),
5359 min_int(nla_len(tb
[NL80211_ATTR_KEY_SEQ
]), 6));
5364 static int i802_get_seqnum(const char *iface
, void *priv
, const u8
*addr
,
5367 struct i802_bss
*bss
= priv
;
5368 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5371 msg
= nl80211_ifindex_msg(drv
, if_nametoindex(iface
), 0,
5372 NL80211_CMD_GET_KEY
);
5374 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
5375 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, idx
)) {
5382 return send_and_recv_msgs(drv
, msg
, get_key_handler
, seq
);
5386 static int i802_set_rts(void *priv
, int rts
)
5388 struct i802_bss
*bss
= priv
;
5389 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5399 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_SET_WIPHY
)) ||
5400 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
, val
)) {
5405 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5408 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set RTS threshold %d: "
5409 "%d (%s)", rts
, ret
, strerror(-ret
));
5414 static int i802_set_frag(void *priv
, int frag
)
5416 struct i802_bss
*bss
= priv
;
5417 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5427 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_SET_WIPHY
)) ||
5428 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
, val
)) {
5433 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5436 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set fragmentation threshold "
5437 "%d: %d (%s)", frag
, ret
, strerror(-ret
));
5442 static int i802_flush(void *priv
)
5444 struct i802_bss
*bss
= priv
;
5448 wpa_printf(MSG_DEBUG
, "nl80211: flush -> DEL_STATION %s (all)",
5452 * XXX: FIX! this needs to flush all VLANs too
5454 msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_DEL_STATION
);
5455 res
= send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
5457 wpa_printf(MSG_DEBUG
, "nl80211: Station flush failed: ret=%d "
5458 "(%s)", res
, strerror(-res
));
5464 static int get_sta_handler(struct nl_msg
*msg
, void *arg
)
5466 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
5467 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
5468 struct hostap_sta_driver_data
*data
= arg
;
5469 struct nlattr
*stats
[NL80211_STA_INFO_MAX
+ 1];
5470 static struct nla_policy stats_policy
[NL80211_STA_INFO_MAX
+ 1] = {
5471 [NL80211_STA_INFO_INACTIVE_TIME
] = { .type
= NLA_U32
},
5472 [NL80211_STA_INFO_RX_BYTES
] = { .type
= NLA_U32
},
5473 [NL80211_STA_INFO_TX_BYTES
] = { .type
= NLA_U32
},
5474 [NL80211_STA_INFO_RX_PACKETS
] = { .type
= NLA_U32
},
5475 [NL80211_STA_INFO_TX_PACKETS
] = { .type
= NLA_U32
},
5476 [NL80211_STA_INFO_TX_FAILED
] = { .type
= NLA_U32
},
5477 [NL80211_STA_INFO_RX_BYTES64
] = { .type
= NLA_U64
},
5478 [NL80211_STA_INFO_TX_BYTES64
] = { .type
= NLA_U64
},
5481 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
5482 genlmsg_attrlen(gnlh
, 0), NULL
);
5485 * TODO: validate the interface and mac address!
5486 * Otherwise, there's a race condition as soon as
5487 * the kernel starts sending station notifications.
5490 if (!tb
[NL80211_ATTR_STA_INFO
]) {
5491 wpa_printf(MSG_DEBUG
, "sta stats missing!");
5494 if (nla_parse_nested(stats
, NL80211_STA_INFO_MAX
,
5495 tb
[NL80211_ATTR_STA_INFO
],
5497 wpa_printf(MSG_DEBUG
, "failed to parse nested attributes!");
5501 if (stats
[NL80211_STA_INFO_INACTIVE_TIME
])
5502 data
->inactive_msec
=
5503 nla_get_u32(stats
[NL80211_STA_INFO_INACTIVE_TIME
]);
5504 /* For backwards compatibility, fetch the 32-bit counters first. */
5505 if (stats
[NL80211_STA_INFO_RX_BYTES
])
5506 data
->rx_bytes
= nla_get_u32(stats
[NL80211_STA_INFO_RX_BYTES
]);
5507 if (stats
[NL80211_STA_INFO_TX_BYTES
])
5508 data
->tx_bytes
= nla_get_u32(stats
[NL80211_STA_INFO_TX_BYTES
]);
5509 if (stats
[NL80211_STA_INFO_RX_BYTES64
] &&
5510 stats
[NL80211_STA_INFO_TX_BYTES64
]) {
5512 * The driver supports 64-bit counters, so use them to override
5513 * the 32-bit values.
5516 nla_get_u64(stats
[NL80211_STA_INFO_RX_BYTES64
]);
5518 nla_get_u64(stats
[NL80211_STA_INFO_TX_BYTES64
]);
5519 data
->bytes_64bit
= 1;
5521 if (stats
[NL80211_STA_INFO_RX_PACKETS
])
5523 nla_get_u32(stats
[NL80211_STA_INFO_RX_PACKETS
]);
5524 if (stats
[NL80211_STA_INFO_TX_PACKETS
])
5526 nla_get_u32(stats
[NL80211_STA_INFO_TX_PACKETS
]);
5527 if (stats
[NL80211_STA_INFO_TX_FAILED
])
5528 data
->tx_retry_failed
=
5529 nla_get_u32(stats
[NL80211_STA_INFO_TX_FAILED
]);
5534 static int i802_read_sta_data(struct i802_bss
*bss
,
5535 struct hostap_sta_driver_data
*data
,
5540 os_memset(data
, 0, sizeof(*data
));
5542 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_GET_STATION
)) ||
5543 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) {
5548 return send_and_recv_msgs(bss
->drv
, msg
, get_sta_handler
, data
);
5552 static int i802_set_tx_queue_params(void *priv
, int queue
, int aifs
,
5553 int cw_min
, int cw_max
, int burst_time
)
5555 struct i802_bss
*bss
= priv
;
5556 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5558 struct nlattr
*txq
, *params
;
5560 msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_WIPHY
);
5564 txq
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_TXQ_PARAMS
);
5568 /* We are only sending parameters for a single TXQ at a time */
5569 params
= nla_nest_start(msg
, 1);
5575 if (nla_put_u8(msg
, NL80211_TXQ_ATTR_QUEUE
, NL80211_TXQ_Q_VO
))
5579 if (nla_put_u8(msg
, NL80211_TXQ_ATTR_QUEUE
, NL80211_TXQ_Q_VI
))
5583 if (nla_put_u8(msg
, NL80211_TXQ_ATTR_QUEUE
, NL80211_TXQ_Q_BE
))
5587 if (nla_put_u8(msg
, NL80211_TXQ_ATTR_QUEUE
, NL80211_TXQ_Q_BK
))
5591 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
5592 * 32 usec, so need to convert the value here. */
5593 if (nla_put_u16(msg
, NL80211_TXQ_ATTR_TXOP
,
5594 (burst_time
* 100 + 16) / 32) ||
5595 nla_put_u16(msg
, NL80211_TXQ_ATTR_CWMIN
, cw_min
) ||
5596 nla_put_u16(msg
, NL80211_TXQ_ATTR_CWMAX
, cw_max
) ||
5597 nla_put_u8(msg
, NL80211_TXQ_ATTR_AIFS
, aifs
))
5600 nla_nest_end(msg
, params
);
5602 nla_nest_end(msg
, txq
);
5604 if (send_and_recv_msgs(drv
, msg
, NULL
, NULL
) == 0)
5613 static int i802_set_sta_vlan(struct i802_bss
*bss
, const u8
*addr
,
5614 const char *ifname
, int vlan_id
)
5616 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5620 wpa_printf(MSG_DEBUG
, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
5621 ", ifname=%s[%d], vlan_id=%d)",
5622 bss
->ifname
, if_nametoindex(bss
->ifname
),
5623 MAC2STR(addr
), ifname
, if_nametoindex(ifname
), vlan_id
);
5624 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_STATION
)) ||
5625 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
5626 nla_put_u32(msg
, NL80211_ATTR_STA_VLAN
, if_nametoindex(ifname
))) {
5631 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
5633 wpa_printf(MSG_ERROR
, "nl80211: NL80211_ATTR_STA_VLAN (addr="
5634 MACSTR
" ifname=%s vlan_id=%d) failed: %d (%s)",
5635 MAC2STR(addr
), ifname
, vlan_id
, ret
,
5642 static int i802_get_inact_sec(void *priv
, const u8
*addr
)
5644 struct hostap_sta_driver_data data
;
5647 data
.inactive_msec
= (unsigned long) -1;
5648 ret
= i802_read_sta_data(priv
, &data
, addr
);
5651 if (ret
|| data
.inactive_msec
== (unsigned long) -1)
5653 return data
.inactive_msec
/ 1000;
5657 static int i802_sta_clear_stats(void *priv
, const u8
*addr
)
5666 static int i802_sta_deauth(void *priv
, const u8
*own_addr
, const u8
*addr
,
5669 struct i802_bss
*bss
= priv
;
5670 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5671 struct ieee80211_mgmt mgmt
;
5673 if (is_mesh_interface(drv
->nlmode
))
5676 if (drv
->device_ap_sme
)
5677 return wpa_driver_nl80211_sta_remove(bss
, addr
, 1, reason
);
5679 memset(&mgmt
, 0, sizeof(mgmt
));
5680 mgmt
.frame_control
= IEEE80211_FC(WLAN_FC_TYPE_MGMT
,
5681 WLAN_FC_STYPE_DEAUTH
);
5682 memcpy(mgmt
.da
, addr
, ETH_ALEN
);
5683 memcpy(mgmt
.sa
, own_addr
, ETH_ALEN
);
5684 memcpy(mgmt
.bssid
, own_addr
, ETH_ALEN
);
5685 mgmt
.u
.deauth
.reason_code
= host_to_le16(reason
);
5686 return wpa_driver_nl80211_send_mlme(bss
, (u8
*) &mgmt
,
5688 sizeof(mgmt
.u
.deauth
), 0, 0, 0, 0,
5693 static int i802_sta_disassoc(void *priv
, const u8
*own_addr
, const u8
*addr
,
5696 struct i802_bss
*bss
= priv
;
5697 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5698 struct ieee80211_mgmt mgmt
;
5700 if (is_mesh_interface(drv
->nlmode
))
5703 if (drv
->device_ap_sme
)
5704 return wpa_driver_nl80211_sta_remove(bss
, addr
, 0, reason
);
5706 memset(&mgmt
, 0, sizeof(mgmt
));
5707 mgmt
.frame_control
= IEEE80211_FC(WLAN_FC_TYPE_MGMT
,
5708 WLAN_FC_STYPE_DISASSOC
);
5709 memcpy(mgmt
.da
, addr
, ETH_ALEN
);
5710 memcpy(mgmt
.sa
, own_addr
, ETH_ALEN
);
5711 memcpy(mgmt
.bssid
, own_addr
, ETH_ALEN
);
5712 mgmt
.u
.disassoc
.reason_code
= host_to_le16(reason
);
5713 return wpa_driver_nl80211_send_mlme(bss
, (u8
*) &mgmt
,
5715 sizeof(mgmt
.u
.disassoc
), 0, 0, 0, 0,
5720 static void dump_ifidx(struct wpa_driver_nl80211_data
*drv
)
5722 char buf
[200], *pos
, *end
;
5726 end
= pos
+ sizeof(buf
);
5728 for (i
= 0; i
< drv
->num_if_indices
; i
++) {
5729 if (!drv
->if_indices
[i
])
5731 res
= os_snprintf(pos
, end
- pos
, " %d(%d)",
5733 drv
->if_indices_reason
[i
]);
5734 if (os_snprintf_error(end
- pos
, res
))
5740 wpa_printf(MSG_DEBUG
, "nl80211: if_indices[%d]:%s",
5741 drv
->num_if_indices
, buf
);
5745 static void add_ifidx(struct wpa_driver_nl80211_data
*drv
, int ifidx
,
5749 int *old
, *old_reason
;
5751 wpa_printf(MSG_DEBUG
,
5752 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
5753 ifidx
, ifidx_reason
);
5754 if (have_ifidx(drv
, ifidx
, ifidx_reason
)) {
5755 wpa_printf(MSG_DEBUG
, "nl80211: ifindex %d already in the list",
5759 for (i
= 0; i
< drv
->num_if_indices
; i
++) {
5760 if (drv
->if_indices
[i
] == 0) {
5761 drv
->if_indices
[i
] = ifidx
;
5762 drv
->if_indices_reason
[i
] = ifidx_reason
;
5768 if (drv
->if_indices
!= drv
->default_if_indices
)
5769 old
= drv
->if_indices
;
5773 if (drv
->if_indices_reason
!= drv
->default_if_indices_reason
)
5774 old_reason
= drv
->if_indices_reason
;
5778 drv
->if_indices
= os_realloc_array(old
, drv
->num_if_indices
+ 1,
5780 drv
->if_indices_reason
= os_realloc_array(old_reason
,
5781 drv
->num_if_indices
+ 1,
5783 if (!drv
->if_indices
) {
5785 drv
->if_indices
= drv
->default_if_indices
;
5787 drv
->if_indices
= old
;
5789 if (!drv
->if_indices_reason
) {
5791 drv
->if_indices_reason
= drv
->default_if_indices_reason
;
5793 drv
->if_indices_reason
= old_reason
;
5795 if (!drv
->if_indices
|| !drv
->if_indices_reason
) {
5796 wpa_printf(MSG_ERROR
, "Failed to reallocate memory for "
5798 wpa_printf(MSG_ERROR
, "Ignoring EAPOL on interface %d", ifidx
);
5802 os_memcpy(drv
->if_indices
, drv
->default_if_indices
,
5803 sizeof(drv
->default_if_indices
));
5805 os_memcpy(drv
->if_indices_reason
,
5806 drv
->default_if_indices_reason
,
5807 sizeof(drv
->default_if_indices_reason
));
5808 drv
->if_indices
[drv
->num_if_indices
] = ifidx
;
5809 drv
->if_indices_reason
[drv
->num_if_indices
] = ifidx_reason
;
5810 drv
->num_if_indices
++;
5815 static void del_ifidx(struct wpa_driver_nl80211_data
*drv
, int ifidx
,
5820 for (i
= 0; i
< drv
->num_if_indices
; i
++) {
5821 if ((drv
->if_indices
[i
] == ifidx
|| ifidx
== IFIDX_ANY
) &&
5822 (drv
->if_indices_reason
[i
] == ifidx_reason
||
5823 ifidx_reason
== IFIDX_ANY
)) {
5824 drv
->if_indices
[i
] = 0;
5832 static int have_ifidx(struct wpa_driver_nl80211_data
*drv
, int ifidx
,
5837 for (i
= 0; i
< drv
->num_if_indices
; i
++)
5838 if (drv
->if_indices
[i
] == ifidx
&&
5839 (drv
->if_indices_reason
[i
] == ifidx_reason
||
5840 ifidx_reason
== IFIDX_ANY
))
5847 static int i802_set_wds_sta(void *priv
, const u8
*addr
, int aid
, int val
,
5848 const char *bridge_ifname
, char *ifname_wds
)
5850 struct i802_bss
*bss
= priv
;
5851 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
5852 char name
[IFNAMSIZ
+ 1];
5854 os_snprintf(name
, sizeof(name
), "%s.sta%d", bss
->ifname
, aid
);
5856 os_strlcpy(ifname_wds
, name
, IFNAMSIZ
+ 1);
5858 wpa_printf(MSG_DEBUG
, "nl80211: Set WDS STA addr=" MACSTR
5859 " aid=%d val=%d name=%s", MAC2STR(addr
), aid
, val
, name
);
5861 if (!if_nametoindex(name
)) {
5862 if (nl80211_create_iface(drv
, name
,
5863 NL80211_IFTYPE_AP_VLAN
,
5864 bss
->addr
, 1, NULL
, NULL
, 0) <
5867 if (bridge_ifname
&&
5868 linux_br_add_if(drv
->global
->ioctl_sock
,
5869 bridge_ifname
, name
) < 0)
5872 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, name
, 1)) {
5873 wpa_printf(MSG_ERROR
, "nl80211: Failed to set WDS STA "
5874 "interface %s up", name
);
5876 return i802_set_sta_vlan(priv
, addr
, name
, 0);
5879 linux_br_del_if(drv
->global
->ioctl_sock
, bridge_ifname
,
5882 i802_set_sta_vlan(priv
, addr
, bss
->ifname
, 0);
5883 nl80211_remove_iface(drv
, if_nametoindex(name
));
5889 static void handle_eapol(int sock
, void *eloop_ctx
, void *sock_ctx
)
5891 struct wpa_driver_nl80211_data
*drv
= eloop_ctx
;
5892 struct sockaddr_ll lladdr
;
5893 unsigned char buf
[3000];
5895 socklen_t fromlen
= sizeof(lladdr
);
5897 len
= recvfrom(sock
, buf
, sizeof(buf
), 0,
5898 (struct sockaddr
*)&lladdr
, &fromlen
);
5900 wpa_printf(MSG_ERROR
, "nl80211: EAPOL recv failed: %s",
5905 if (have_ifidx(drv
, lladdr
.sll_ifindex
, IFIDX_ANY
))
5906 drv_event_eapol_rx(drv
->ctx
, lladdr
.sll_addr
, buf
, len
);
5910 static int i802_check_bridge(struct wpa_driver_nl80211_data
*drv
,
5911 struct i802_bss
*bss
,
5912 const char *brname
, const char *ifname
)
5915 char in_br
[IFNAMSIZ
];
5917 os_strlcpy(bss
->brname
, brname
, IFNAMSIZ
);
5918 br_ifindex
= if_nametoindex(brname
);
5919 if (br_ifindex
== 0) {
5921 * Bridge was configured, but the bridge device does
5922 * not exist. Try to add it now.
5924 if (linux_br_add(drv
->global
->ioctl_sock
, brname
) < 0) {
5925 wpa_printf(MSG_ERROR
, "nl80211: Failed to add the "
5926 "bridge interface %s: %s",
5927 brname
, strerror(errno
));
5930 bss
->added_bridge
= 1;
5931 br_ifindex
= if_nametoindex(brname
);
5932 add_ifidx(drv
, br_ifindex
, drv
->ifindex
);
5934 bss
->br_ifindex
= br_ifindex
;
5936 if (linux_br_get(in_br
, ifname
) == 0) {
5937 if (os_strcmp(in_br
, brname
) == 0)
5938 return 0; /* already in the bridge */
5940 wpa_printf(MSG_DEBUG
, "nl80211: Removing interface %s from "
5941 "bridge %s", ifname
, in_br
);
5942 if (linux_br_del_if(drv
->global
->ioctl_sock
, in_br
, ifname
) <
5944 wpa_printf(MSG_ERROR
, "nl80211: Failed to "
5945 "remove interface %s from bridge "
5947 ifname
, brname
, strerror(errno
));
5952 wpa_printf(MSG_DEBUG
, "nl80211: Adding interface %s into bridge %s",
5954 if (linux_br_add_if(drv
->global
->ioctl_sock
, brname
, ifname
) < 0) {
5955 wpa_printf(MSG_ERROR
, "nl80211: Failed to add interface %s "
5956 "into bridge %s: %s",
5957 ifname
, brname
, strerror(errno
));
5960 bss
->added_if_into_bridge
= 1;
5966 static void *i802_init(struct hostapd_data
*hapd
,
5967 struct wpa_init_params
*params
)
5969 struct wpa_driver_nl80211_data
*drv
;
5970 struct i802_bss
*bss
;
5972 char master_ifname
[IFNAMSIZ
];
5973 int ifindex
, br_ifindex
= 0;
5976 bss
= wpa_driver_nl80211_drv_init(hapd
, params
->ifname
,
5977 params
->global_priv
, 1,
5978 params
->bssid
, params
->driver_params
);
5984 if (linux_br_get(master_ifname
, params
->ifname
) == 0) {
5985 wpa_printf(MSG_DEBUG
, "nl80211: Interface %s is in bridge %s",
5986 params
->ifname
, master_ifname
);
5987 br_ifindex
= if_nametoindex(master_ifname
);
5988 os_strlcpy(bss
->brname
, master_ifname
, IFNAMSIZ
);
5989 } else if ((params
->num_bridge
== 0 || !params
->bridge
[0]) &&
5990 linux_master_get(master_ifname
, params
->ifname
) == 0) {
5991 wpa_printf(MSG_DEBUG
, "nl80211: Interface %s is in master %s",
5992 params
->ifname
, master_ifname
);
5993 /* start listening for EAPOL on the master interface */
5994 add_ifidx(drv
, if_nametoindex(master_ifname
), drv
->ifindex
);
5996 /* check if master itself is under bridge */
5997 if (linux_br_get(master_ifname
, master_ifname
) == 0) {
5998 wpa_printf(MSG_DEBUG
, "nl80211: which is in bridge %s",
6000 br_ifindex
= if_nametoindex(master_ifname
);
6001 os_strlcpy(bss
->brname
, master_ifname
, IFNAMSIZ
);
6004 master_ifname
[0] = '\0';
6007 bss
->br_ifindex
= br_ifindex
;
6009 for (i
= 0; i
< params
->num_bridge
; i
++) {
6010 if (params
->bridge
[i
]) {
6011 ifindex
= if_nametoindex(params
->bridge
[i
]);
6013 add_ifidx(drv
, ifindex
, drv
->ifindex
);
6014 if (ifindex
== br_ifindex
)
6019 /* start listening for EAPOL on the default AP interface */
6020 add_ifidx(drv
, drv
->ifindex
, IFIDX_ANY
);
6022 if (params
->num_bridge
&& params
->bridge
[0]) {
6023 if (i802_check_bridge(drv
, bss
, params
->bridge
[0],
6024 params
->ifname
) < 0)
6026 if (os_strcmp(params
->bridge
[0], master_ifname
) != 0)
6030 if (!br_added
&& br_ifindex
&&
6031 (params
->num_bridge
== 0 || !params
->bridge
[0]))
6032 add_ifidx(drv
, br_ifindex
, drv
->ifindex
);
6034 #ifdef CONFIG_LIBNL3_ROUTE
6035 if (bss
->added_if_into_bridge
) {
6036 drv
->rtnl_sk
= nl_socket_alloc();
6037 if (drv
->rtnl_sk
== NULL
) {
6038 wpa_printf(MSG_ERROR
, "nl80211: Failed to allocate nl_sock");
6042 if (nl_connect(drv
->rtnl_sk
, NETLINK_ROUTE
)) {
6043 wpa_printf(MSG_ERROR
, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
6048 #endif /* CONFIG_LIBNL3_ROUTE */
6050 drv
->eapol_sock
= socket(PF_PACKET
, SOCK_DGRAM
, htons(ETH_P_PAE
));
6051 if (drv
->eapol_sock
< 0) {
6052 wpa_printf(MSG_ERROR
, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
6057 if (eloop_register_read_sock(drv
->eapol_sock
, handle_eapol
, drv
, NULL
))
6059 wpa_printf(MSG_INFO
, "nl80211: Could not register read socket for eapol");
6063 if (linux_get_ifhwaddr(drv
->global
->ioctl_sock
, bss
->ifname
,
6066 os_memcpy(drv
->perm_addr
, params
->own_addr
, ETH_ALEN
);
6068 memcpy(bss
->addr
, params
->own_addr
, ETH_ALEN
);
6073 wpa_driver_nl80211_deinit(bss
);
6078 static void i802_deinit(void *priv
)
6080 struct i802_bss
*bss
= priv
;
6081 wpa_driver_nl80211_deinit(bss
);
6085 static enum nl80211_iftype
wpa_driver_nl80211_if_type(
6086 enum wpa_driver_if_type type
)
6089 case WPA_IF_STATION
:
6090 return NL80211_IFTYPE_STATION
;
6091 case WPA_IF_P2P_CLIENT
:
6092 case WPA_IF_P2P_GROUP
:
6093 return NL80211_IFTYPE_P2P_CLIENT
;
6094 case WPA_IF_AP_VLAN
:
6095 return NL80211_IFTYPE_AP_VLAN
;
6097 return NL80211_IFTYPE_AP
;
6099 return NL80211_IFTYPE_P2P_GO
;
6100 case WPA_IF_P2P_DEVICE
:
6101 return NL80211_IFTYPE_P2P_DEVICE
;
6103 return NL80211_IFTYPE_MESH_POINT
;
6110 static int nl80211_addr_in_use(struct nl80211_global
*global
, const u8
*addr
)
6112 struct wpa_driver_nl80211_data
*drv
;
6113 dl_list_for_each(drv
, &global
->interfaces
,
6114 struct wpa_driver_nl80211_data
, list
) {
6115 if (os_memcmp(addr
, drv
->first_bss
->addr
, ETH_ALEN
) == 0)
6122 static int nl80211_vif_addr(struct wpa_driver_nl80211_data
*drv
, u8
*new_addr
)
6129 os_memcpy(new_addr
, drv
->first_bss
->addr
, ETH_ALEN
);
6130 for (idx
= 0; idx
< 64; idx
++) {
6131 new_addr
[0] = drv
->first_bss
->addr
[0] | 0x02;
6132 new_addr
[0] ^= idx
<< 2;
6133 if (!nl80211_addr_in_use(drv
->global
, new_addr
))
6139 wpa_printf(MSG_DEBUG
, "nl80211: Assigned new virtual interface address "
6140 MACSTR
, MAC2STR(new_addr
));
6149 u8 macaddr
[ETH_ALEN
];
6152 static int nl80211_wdev_handler(struct nl_msg
*msg
, void *arg
)
6154 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
6155 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
6156 struct wdev_info
*wi
= arg
;
6158 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
6159 genlmsg_attrlen(gnlh
, 0), NULL
);
6160 if (tb
[NL80211_ATTR_WDEV
]) {
6161 wi
->wdev_id
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]);
6162 wi
->wdev_id_set
= 1;
6165 if (tb
[NL80211_ATTR_MAC
])
6166 os_memcpy(wi
->macaddr
, nla_data(tb
[NL80211_ATTR_MAC
]),
6173 static int wpa_driver_nl80211_if_add(void *priv
, enum wpa_driver_if_type type
,
6174 const char *ifname
, const u8
*addr
,
6175 void *bss_ctx
, void **drv_priv
,
6176 char *force_ifname
, u8
*if_addr
,
6177 const char *bridge
, int use_existing
,
6180 enum nl80211_iftype nlmode
;
6181 struct i802_bss
*bss
= priv
;
6182 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6187 os_memcpy(if_addr
, addr
, ETH_ALEN
);
6188 nlmode
= wpa_driver_nl80211_if_type(type
);
6189 if (nlmode
== NL80211_IFTYPE_P2P_DEVICE
) {
6190 struct wdev_info p2pdev_info
;
6192 os_memset(&p2pdev_info
, 0, sizeof(p2pdev_info
));
6193 ifidx
= nl80211_create_iface(drv
, ifname
, nlmode
, addr
,
6194 0, nl80211_wdev_handler
,
6195 &p2pdev_info
, use_existing
);
6196 if (!p2pdev_info
.wdev_id_set
|| ifidx
!= 0) {
6197 wpa_printf(MSG_ERROR
, "nl80211: Failed to create a P2P Device interface %s",
6202 drv
->global
->if_add_wdevid
= p2pdev_info
.wdev_id
;
6203 drv
->global
->if_add_wdevid_set
= p2pdev_info
.wdev_id_set
;
6204 if (!is_zero_ether_addr(p2pdev_info
.macaddr
))
6205 os_memcpy(if_addr
, p2pdev_info
.macaddr
, ETH_ALEN
);
6206 wpa_printf(MSG_DEBUG
, "nl80211: New P2P Device interface %s (0x%llx) created",
6208 (long long unsigned int) p2pdev_info
.wdev_id
);
6210 ifidx
= nl80211_create_iface(drv
, ifname
, nlmode
, addr
,
6211 0, NULL
, NULL
, use_existing
);
6212 if (use_existing
&& ifidx
== -ENFILE
) {
6214 ifidx
= if_nametoindex(ifname
);
6215 } else if (ifidx
< 0) {
6221 if (nlmode
== NL80211_IFTYPE_P2P_DEVICE
)
6222 os_memcpy(if_addr
, bss
->addr
, ETH_ALEN
);
6223 else if (linux_get_ifhwaddr(drv
->global
->ioctl_sock
,
6224 ifname
, if_addr
) < 0) {
6226 nl80211_remove_iface(drv
, ifidx
);
6232 (type
== WPA_IF_P2P_CLIENT
|| type
== WPA_IF_P2P_GROUP
||
6233 type
== WPA_IF_P2P_GO
|| type
== WPA_IF_MESH
||
6234 type
== WPA_IF_STATION
)) {
6235 /* Enforce unique address */
6236 u8 new_addr
[ETH_ALEN
];
6238 if (linux_get_ifhwaddr(drv
->global
->ioctl_sock
, ifname
,
6241 nl80211_remove_iface(drv
, ifidx
);
6244 if (nl80211_addr_in_use(drv
->global
, new_addr
)) {
6245 wpa_printf(MSG_DEBUG
, "nl80211: Allocate new address "
6246 "for interface %s type %d", ifname
, type
);
6247 if (nl80211_vif_addr(drv
, new_addr
) < 0) {
6249 nl80211_remove_iface(drv
, ifidx
);
6252 if (linux_set_ifhwaddr(drv
->global
->ioctl_sock
, ifname
,
6255 nl80211_remove_iface(drv
, ifidx
);
6259 os_memcpy(if_addr
, new_addr
, ETH_ALEN
);
6262 if (type
== WPA_IF_AP_BSS
&& setup_ap
) {
6263 struct i802_bss
*new_bss
= os_zalloc(sizeof(*new_bss
));
6264 if (new_bss
== NULL
) {
6266 nl80211_remove_iface(drv
, ifidx
);
6271 i802_check_bridge(drv
, new_bss
, bridge
, ifname
) < 0) {
6272 wpa_printf(MSG_ERROR
, "nl80211: Failed to add the new "
6273 "interface %s to a bridge %s",
6276 nl80211_remove_iface(drv
, ifidx
);
6281 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, ifname
, 1))
6284 nl80211_remove_iface(drv
, ifidx
);
6288 os_strlcpy(new_bss
->ifname
, ifname
, IFNAMSIZ
);
6289 os_memcpy(new_bss
->addr
, if_addr
, ETH_ALEN
);
6290 new_bss
->ifindex
= ifidx
;
6292 new_bss
->next
= drv
->first_bss
->next
;
6293 new_bss
->freq
= drv
->first_bss
->freq
;
6294 new_bss
->ctx
= bss_ctx
;
6295 new_bss
->added_if
= added
;
6296 drv
->first_bss
->next
= new_bss
;
6298 *drv_priv
= new_bss
;
6299 nl80211_init_bss(new_bss
);
6301 /* Subscribe management frames for this WPA_IF_AP_BSS */
6302 if (nl80211_setup_ap(new_bss
))
6307 drv
->global
->if_add_ifindex
= ifidx
;
6310 * Some virtual interfaces need to process EAPOL packets and events on
6311 * the parent interface. This is used mainly with hostapd.
6315 nlmode
== NL80211_IFTYPE_AP_VLAN
||
6316 nlmode
== NL80211_IFTYPE_WDS
||
6317 nlmode
== NL80211_IFTYPE_MONITOR
))
6318 add_ifidx(drv
, ifidx
, IFIDX_ANY
);
6324 static int wpa_driver_nl80211_if_remove(struct i802_bss
*bss
,
6325 enum wpa_driver_if_type type
,
6328 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6329 int ifindex
= if_nametoindex(ifname
);
6331 wpa_printf(MSG_DEBUG
, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
6332 __func__
, type
, ifname
, ifindex
, bss
->added_if
);
6333 if (ifindex
> 0 && (bss
->added_if
|| bss
->ifindex
!= ifindex
))
6334 nl80211_remove_iface(drv
, ifindex
);
6335 else if (ifindex
> 0 && !bss
->added_if
) {
6336 struct wpa_driver_nl80211_data
*drv2
;
6337 dl_list_for_each(drv2
, &drv
->global
->interfaces
,
6338 struct wpa_driver_nl80211_data
, list
) {
6339 del_ifidx(drv2
, ifindex
, IFIDX_ANY
);
6340 del_ifidx(drv2
, IFIDX_ANY
, ifindex
);
6344 if (type
!= WPA_IF_AP_BSS
)
6347 if (bss
->added_if_into_bridge
) {
6348 if (linux_br_del_if(drv
->global
->ioctl_sock
, bss
->brname
,
6350 wpa_printf(MSG_INFO
, "nl80211: Failed to remove "
6351 "interface %s from bridge %s: %s",
6352 bss
->ifname
, bss
->brname
, strerror(errno
));
6354 if (bss
->added_bridge
) {
6355 if (linux_br_del(drv
->global
->ioctl_sock
, bss
->brname
) < 0)
6356 wpa_printf(MSG_INFO
, "nl80211: Failed to remove "
6358 bss
->brname
, strerror(errno
));
6361 if (bss
!= drv
->first_bss
) {
6362 struct i802_bss
*tbss
;
6364 wpa_printf(MSG_DEBUG
, "nl80211: Not the first BSS - remove it");
6365 for (tbss
= drv
->first_bss
; tbss
; tbss
= tbss
->next
) {
6366 if (tbss
->next
== bss
) {
6367 tbss
->next
= bss
->next
;
6368 /* Unsubscribe management frames */
6369 nl80211_teardown_ap(bss
);
6370 nl80211_destroy_bss(bss
);
6372 i802_set_iface_flags(bss
, 0);
6379 wpa_printf(MSG_INFO
, "nl80211: %s - could not find "
6380 "BSS %p in the list", __func__
, bss
);
6382 wpa_printf(MSG_DEBUG
, "nl80211: First BSS - reassign context");
6383 nl80211_teardown_ap(bss
);
6384 if (!bss
->added_if
&& !drv
->first_bss
->next
)
6385 wpa_driver_nl80211_del_beacon(drv
);
6386 nl80211_destroy_bss(bss
);
6388 i802_set_iface_flags(bss
, 0);
6389 if (drv
->first_bss
->next
) {
6390 drv
->first_bss
= drv
->first_bss
->next
;
6391 drv
->ctx
= drv
->first_bss
->ctx
;
6394 wpa_printf(MSG_DEBUG
, "nl80211: No second BSS to reassign context to");
6402 static int cookie_handler(struct nl_msg
*msg
, void *arg
)
6404 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
6405 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
6407 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
6408 genlmsg_attrlen(gnlh
, 0), NULL
);
6409 if (tb
[NL80211_ATTR_COOKIE
])
6410 *cookie
= nla_get_u64(tb
[NL80211_ATTR_COOKIE
]);
6415 static int nl80211_send_frame_cmd(struct i802_bss
*bss
,
6416 unsigned int freq
, unsigned int wait
,
6417 const u8
*buf
, size_t buf_len
,
6418 u64
*cookie_out
, int no_cck
, int no_ack
,
6419 int offchanok
, const u16
*csa_offs
,
6420 size_t csa_offs_len
)
6422 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6427 wpa_printf(MSG_MSGDUMP
, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
6428 "no_ack=%d offchanok=%d",
6429 freq
, wait
, no_cck
, no_ack
, offchanok
);
6430 wpa_hexdump(MSG_MSGDUMP
, "CMD_FRAME", buf
, buf_len
);
6432 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_FRAME
)) ||
6433 (freq
&& nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
6434 (wait
&& nla_put_u32(msg
, NL80211_ATTR_DURATION
, wait
)) ||
6435 (offchanok
&& ((drv
->capa
.flags
& WPA_DRIVER_FLAGS_OFFCHANNEL_TX
) ||
6436 drv
->test_use_roc_tx
) &&
6437 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
)) ||
6438 (no_cck
&& nla_put_flag(msg
, NL80211_ATTR_TX_NO_CCK_RATE
)) ||
6439 (no_ack
&& nla_put_flag(msg
, NL80211_ATTR_DONT_WAIT_FOR_ACK
)) ||
6440 (csa_offs
&& nla_put(msg
, NL80211_ATTR_CSA_C_OFFSETS_TX
,
6441 csa_offs_len
* sizeof(u16
), csa_offs
)) ||
6442 nla_put(msg
, NL80211_ATTR_FRAME
, buf_len
, buf
))
6446 ret
= send_and_recv_msgs(drv
, msg
, cookie_handler
, &cookie
);
6449 wpa_printf(MSG_DEBUG
, "nl80211: Frame command failed: ret=%d "
6450 "(%s) (freq=%u wait=%u)", ret
, strerror(-ret
),
6453 wpa_printf(MSG_MSGDUMP
, "nl80211: Frame TX command accepted%s; "
6454 "cookie 0x%llx", no_ack
? " (no ACK)" : "",
6455 (long long unsigned int) cookie
);
6458 *cookie_out
= no_ack
? (u64
) -1 : cookie
;
6460 if (drv
->num_send_action_cookies
== MAX_SEND_ACTION_COOKIES
) {
6461 wpa_printf(MSG_DEBUG
,
6462 "nl80211: Drop oldest pending send action cookie 0x%llx",
6463 (long long unsigned int)
6464 drv
->send_action_cookies
[0]);
6465 os_memmove(&drv
->send_action_cookies
[0],
6466 &drv
->send_action_cookies
[1],
6467 (MAX_SEND_ACTION_COOKIES
- 1) *
6469 drv
->num_send_action_cookies
--;
6471 drv
->send_action_cookies
[drv
->num_send_action_cookies
] = cookie
;
6472 drv
->num_send_action_cookies
++;
6481 static int wpa_driver_nl80211_send_action(struct i802_bss
*bss
,
6483 unsigned int wait_time
,
6484 const u8
*dst
, const u8
*src
,
6486 const u8
*data
, size_t data_len
,
6489 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6492 struct ieee80211_hdr
*hdr
;
6494 wpa_printf(MSG_DEBUG
, "nl80211: Send Action frame (ifindex=%d, "
6495 "freq=%u MHz wait=%d ms no_cck=%d)",
6496 drv
->ifindex
, freq
, wait_time
, no_cck
);
6498 buf
= os_zalloc(24 + data_len
);
6501 os_memcpy(buf
+ 24, data
, data_len
);
6502 hdr
= (struct ieee80211_hdr
*) buf
;
6503 hdr
->frame_control
=
6504 IEEE80211_FC(WLAN_FC_TYPE_MGMT
, WLAN_FC_STYPE_ACTION
);
6505 os_memcpy(hdr
->addr1
, dst
, ETH_ALEN
);
6506 os_memcpy(hdr
->addr2
, src
, ETH_ALEN
);
6507 os_memcpy(hdr
->addr3
, bssid
, ETH_ALEN
);
6509 if (is_ap_interface(drv
->nlmode
) &&
6510 (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_OFFCHANNEL_TX
) ||
6511 (int) freq
== bss
->freq
|| drv
->device_ap_sme
||
6513 ret
= wpa_driver_nl80211_send_mlme(bss
, buf
, 24 + data_len
,
6515 wait_time
, NULL
, 0);
6517 ret
= nl80211_send_frame_cmd(bss
, freq
, wait_time
, buf
,
6519 &drv
->send_action_cookie
,
6520 no_cck
, 0, 1, NULL
, 0);
6527 static void nl80211_frame_wait_cancel(struct i802_bss
*bss
, u64 cookie
)
6529 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6533 wpa_printf(MSG_DEBUG
, "nl80211: Cancel TX frame wait: cookie=0x%llx",
6534 (long long unsigned int) cookie
);
6535 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_FRAME_WAIT_CANCEL
)) ||
6536 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
)) {
6541 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
6543 wpa_printf(MSG_DEBUG
, "nl80211: wait cancel failed: ret=%d "
6544 "(%s)", ret
, strerror(-ret
));
6548 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv
)
6550 struct i802_bss
*bss
= priv
;
6551 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6555 /* Cancel the last pending TX cookie */
6556 nl80211_frame_wait_cancel(bss
, drv
->send_action_cookie
);
6559 * Cancel the other pending TX cookies, if any. This is needed since
6560 * the driver may keep a list of all pending offchannel TX operations
6561 * and free up the radio only once they have expired or cancelled.
6563 for (i
= drv
->num_send_action_cookies
; i
> 0; i
--) {
6564 cookie
= drv
->send_action_cookies
[i
- 1];
6565 if (cookie
!= drv
->send_action_cookie
)
6566 nl80211_frame_wait_cancel(bss
, cookie
);
6568 drv
->num_send_action_cookies
= 0;
6572 static int wpa_driver_nl80211_remain_on_channel(void *priv
, unsigned int freq
,
6573 unsigned int duration
)
6575 struct i802_bss
*bss
= priv
;
6576 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6581 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_REMAIN_ON_CHANNEL
)) ||
6582 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
6583 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
)) {
6589 ret
= send_and_recv_msgs(drv
, msg
, cookie_handler
, &cookie
);
6591 wpa_printf(MSG_DEBUG
, "nl80211: Remain-on-channel cookie "
6592 "0x%llx for freq=%u MHz duration=%u",
6593 (long long unsigned int) cookie
, freq
, duration
);
6594 drv
->remain_on_chan_cookie
= cookie
;
6595 drv
->pending_remain_on_chan
= 1;
6598 wpa_printf(MSG_DEBUG
, "nl80211: Failed to request remain-on-channel "
6599 "(freq=%d duration=%u): %d (%s)",
6600 freq
, duration
, ret
, strerror(-ret
));
6605 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv
)
6607 struct i802_bss
*bss
= priv
;
6608 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6612 if (!drv
->pending_remain_on_chan
) {
6613 wpa_printf(MSG_DEBUG
, "nl80211: No pending remain-on-channel "
6618 wpa_printf(MSG_DEBUG
, "nl80211: Cancel remain-on-channel with cookie "
6620 (long long unsigned int) drv
->remain_on_chan_cookie
);
6622 msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
);
6624 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, drv
->remain_on_chan_cookie
)) {
6629 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
6632 wpa_printf(MSG_DEBUG
, "nl80211: Failed to cancel remain-on-channel: "
6633 "%d (%s)", ret
, strerror(-ret
));
6638 static int wpa_driver_nl80211_probe_req_report(struct i802_bss
*bss
, int report
)
6640 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6643 if (bss
->nl_preq
&& drv
->device_ap_sme
&&
6644 is_ap_interface(drv
->nlmode
) && !bss
->in_deinit
&&
6647 * Do not disable Probe Request reporting that was
6648 * enabled in nl80211_setup_ap().
6650 wpa_printf(MSG_DEBUG
, "nl80211: Skip disabling of "
6651 "Probe Request reporting nl_preq=%p while "
6652 "in AP mode", bss
->nl_preq
);
6653 } else if (bss
->nl_preq
) {
6654 wpa_printf(MSG_DEBUG
, "nl80211: Disable Probe Request "
6655 "reporting nl_preq=%p", bss
->nl_preq
);
6656 nl80211_destroy_eloop_handle(&bss
->nl_preq
);
6662 wpa_printf(MSG_DEBUG
, "nl80211: Probe Request reporting "
6663 "already on! nl_preq=%p", bss
->nl_preq
);
6667 bss
->nl_preq
= nl_create_handle(drv
->global
->nl_cb
, "preq");
6668 if (bss
->nl_preq
== NULL
)
6670 wpa_printf(MSG_DEBUG
, "nl80211: Enable Probe Request "
6671 "reporting nl_preq=%p", bss
->nl_preq
);
6673 if (nl80211_register_frame(bss
, bss
->nl_preq
,
6674 (WLAN_FC_TYPE_MGMT
<< 2) |
6675 (WLAN_FC_STYPE_PROBE_REQ
<< 4),
6679 nl80211_register_eloop_read(&bss
->nl_preq
,
6680 wpa_driver_nl80211_event_receive
,
6686 nl_destroy_handles(&bss
->nl_preq
);
6691 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data
*drv
,
6692 int ifindex
, int disabled
)
6695 struct nlattr
*bands
, *band
;
6698 wpa_printf(MSG_DEBUG
,
6699 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
6700 ifindex
, disabled
? "NL80211_TXRATE_LEGACY=OFDM-only" :
6701 "no NL80211_TXRATE_LEGACY constraint");
6703 msg
= nl80211_ifindex_msg(drv
, ifindex
, 0,
6704 NL80211_CMD_SET_TX_BITRATE_MASK
);
6708 bands
= nla_nest_start(msg
, NL80211_ATTR_TX_RATES
);
6713 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
6714 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
6715 * rates. All 5 GHz rates are left enabled.
6717 band
= nla_nest_start(msg
, NL80211_BAND_2GHZ
);
6719 (disabled
&& nla_put(msg
, NL80211_TXRATE_LEGACY
, 8,
6720 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
6722 nla_nest_end(msg
, band
);
6724 nla_nest_end(msg
, bands
);
6726 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
6728 wpa_printf(MSG_DEBUG
, "nl80211: Set TX rates failed: ret=%d "
6729 "(%s)", ret
, strerror(-ret
));
6731 drv
->disabled_11b_rates
= disabled
;
6741 static int wpa_driver_nl80211_deinit_ap(void *priv
)
6743 struct i802_bss
*bss
= priv
;
6744 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6745 if (!is_ap_interface(drv
->nlmode
))
6747 wpa_driver_nl80211_del_beacon(drv
);
6748 bss
->beacon_set
= 0;
6751 * If the P2P GO interface was dynamically added, then it is
6752 * possible that the interface change to station is not possible.
6754 if (drv
->nlmode
== NL80211_IFTYPE_P2P_GO
&& bss
->if_dynamic
)
6757 return wpa_driver_nl80211_set_mode(priv
, NL80211_IFTYPE_STATION
);
6761 static int wpa_driver_nl80211_stop_ap(void *priv
)
6763 struct i802_bss
*bss
= priv
;
6764 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6765 if (!is_ap_interface(drv
->nlmode
))
6767 wpa_driver_nl80211_del_beacon(drv
);
6768 bss
->beacon_set
= 0;
6773 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv
)
6775 struct i802_bss
*bss
= priv
;
6776 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6777 if (drv
->nlmode
!= NL80211_IFTYPE_P2P_CLIENT
)
6781 * If the P2P Client interface was dynamically added, then it is
6782 * possible that the interface change to station is not possible.
6784 if (bss
->if_dynamic
)
6787 return wpa_driver_nl80211_set_mode(priv
, NL80211_IFTYPE_STATION
);
6791 static void wpa_driver_nl80211_resume(void *priv
)
6793 struct i802_bss
*bss
= priv
;
6794 enum nl80211_iftype nlmode
= nl80211_get_ifmode(bss
);
6796 if (i802_set_iface_flags(bss
, 1))
6797 wpa_printf(MSG_DEBUG
, "nl80211: Failed to set interface up on resume event");
6799 if (is_p2p_net_interface(nlmode
))
6800 nl80211_disable_11b_rates(bss
->drv
, bss
->drv
->ifindex
, 1);
6804 static int nl80211_signal_monitor(void *priv
, int threshold
, int hysteresis
)
6806 struct i802_bss
*bss
= priv
;
6807 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6811 wpa_printf(MSG_DEBUG
, "nl80211: Signal monitor threshold=%d "
6812 "hysteresis=%d", threshold
, hysteresis
);
6814 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_CQM
)) ||
6815 !(cqm
= nla_nest_start(msg
, NL80211_ATTR_CQM
)) ||
6816 nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THOLD
, threshold
) ||
6817 nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_HYST
, hysteresis
)) {
6821 nla_nest_end(msg
, cqm
);
6823 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
6827 static int get_channel_width(struct nl_msg
*msg
, void *arg
)
6829 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
6830 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
6831 struct wpa_signal_info
*sig_change
= arg
;
6833 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
6834 genlmsg_attrlen(gnlh
, 0), NULL
);
6836 sig_change
->center_frq1
= -1;
6837 sig_change
->center_frq2
= -1;
6838 sig_change
->chanwidth
= CHAN_WIDTH_UNKNOWN
;
6840 if (tb
[NL80211_ATTR_CHANNEL_WIDTH
]) {
6841 sig_change
->chanwidth
= convert2width(
6842 nla_get_u32(tb
[NL80211_ATTR_CHANNEL_WIDTH
]));
6843 if (tb
[NL80211_ATTR_CENTER_FREQ1
])
6844 sig_change
->center_frq1
=
6845 nla_get_u32(tb
[NL80211_ATTR_CENTER_FREQ1
]);
6846 if (tb
[NL80211_ATTR_CENTER_FREQ2
])
6847 sig_change
->center_frq2
=
6848 nla_get_u32(tb
[NL80211_ATTR_CENTER_FREQ2
]);
6855 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data
*drv
,
6856 struct wpa_signal_info
*sig
)
6860 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_GET_INTERFACE
);
6861 return send_and_recv_msgs(drv
, msg
, get_channel_width
, sig
);
6865 static int nl80211_signal_poll(void *priv
, struct wpa_signal_info
*si
)
6867 struct i802_bss
*bss
= priv
;
6868 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6871 os_memset(si
, 0, sizeof(*si
));
6872 res
= nl80211_get_link_signal(drv
, si
);
6874 if (drv
->nlmode
!= NL80211_IFTYPE_ADHOC
&&
6875 drv
->nlmode
!= NL80211_IFTYPE_MESH_POINT
)
6877 si
->current_signal
= 0;
6880 res
= nl80211_get_channel_width(drv
, si
);
6884 return nl80211_get_link_noise(drv
, si
);
6888 static int nl80211_send_frame(void *priv
, const u8
*data
, size_t data_len
,
6891 struct i802_bss
*bss
= priv
;
6892 return wpa_driver_nl80211_send_frame(bss
, data
, data_len
, encrypt
, 0,
6893 0, 0, 0, 0, NULL
, 0);
6897 static int nl80211_set_param(void *priv
, const char *param
)
6901 wpa_printf(MSG_DEBUG
, "nl80211: driver param='%s'", param
);
6904 if (os_strstr(param
, "use_p2p_group_interface=1")) {
6905 struct i802_bss
*bss
= priv
;
6906 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6908 wpa_printf(MSG_DEBUG
, "nl80211: Use separate P2P group "
6910 drv
->capa
.flags
|= WPA_DRIVER_FLAGS_P2P_CONCURRENT
;
6911 drv
->capa
.flags
|= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P
;
6913 #endif /* CONFIG_P2P */
6915 if (os_strstr(param
, "use_monitor=1")) {
6916 struct i802_bss
*bss
= priv
;
6917 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6918 drv
->use_monitor
= 1;
6921 if (os_strstr(param
, "force_connect_cmd=1")) {
6922 struct i802_bss
*bss
= priv
;
6923 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6924 drv
->capa
.flags
&= ~WPA_DRIVER_FLAGS_SME
;
6925 drv
->force_connect_cmd
= 1;
6928 if (os_strstr(param
, "no_offchannel_tx=1")) {
6929 struct i802_bss
*bss
= priv
;
6930 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
6931 drv
->capa
.flags
&= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX
;
6932 drv
->test_use_roc_tx
= 1;
6939 static void * nl80211_global_init(void *ctx
)
6941 struct nl80211_global
*global
;
6942 struct netlink_config
*cfg
;
6944 global
= os_zalloc(sizeof(*global
));
6948 global
->ioctl_sock
= -1;
6949 dl_list_init(&global
->interfaces
);
6950 global
->if_add_ifindex
= -1;
6952 cfg
= os_zalloc(sizeof(*cfg
));
6957 cfg
->newlink_cb
= wpa_driver_nl80211_event_rtm_newlink
;
6958 cfg
->dellink_cb
= wpa_driver_nl80211_event_rtm_dellink
;
6959 global
->netlink
= netlink_init(cfg
);
6960 if (global
->netlink
== NULL
) {
6965 if (wpa_driver_nl80211_init_nl_global(global
) < 0)
6968 global
->ioctl_sock
= socket(PF_INET
, SOCK_DGRAM
, 0);
6969 if (global
->ioctl_sock
< 0) {
6970 wpa_printf(MSG_ERROR
, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
6978 nl80211_global_deinit(global
);
6983 static void nl80211_global_deinit(void *priv
)
6985 struct nl80211_global
*global
= priv
;
6988 if (!dl_list_empty(&global
->interfaces
)) {
6989 wpa_printf(MSG_ERROR
, "nl80211: %u interface(s) remain at "
6990 "nl80211_global_deinit",
6991 dl_list_len(&global
->interfaces
));
6994 if (global
->netlink
)
6995 netlink_deinit(global
->netlink
);
6997 nl_destroy_handles(&global
->nl
);
6999 if (global
->nl_event
)
7000 nl80211_destroy_eloop_handle(&global
->nl_event
);
7002 nl_cb_put(global
->nl_cb
);
7004 if (global
->ioctl_sock
>= 0)
7005 close(global
->ioctl_sock
);
7011 static const char * nl80211_get_radio_name(void *priv
)
7013 struct i802_bss
*bss
= priv
;
7014 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7015 return drv
->phyname
;
7019 static int nl80211_pmkid(struct i802_bss
*bss
, int cmd
, const u8
*bssid
,
7024 if (!(msg
= nl80211_bss_msg(bss
, 0, cmd
)) ||
7025 (pmkid
&& nla_put(msg
, NL80211_ATTR_PMKID
, 16, pmkid
)) ||
7026 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))) {
7031 return send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
7035 static int nl80211_add_pmkid(void *priv
, const u8
*bssid
, const u8
*pmkid
)
7037 struct i802_bss
*bss
= priv
;
7038 wpa_printf(MSG_DEBUG
, "nl80211: Add PMKID for " MACSTR
, MAC2STR(bssid
));
7039 return nl80211_pmkid(bss
, NL80211_CMD_SET_PMKSA
, bssid
, pmkid
);
7043 static int nl80211_remove_pmkid(void *priv
, const u8
*bssid
, const u8
*pmkid
)
7045 struct i802_bss
*bss
= priv
;
7046 wpa_printf(MSG_DEBUG
, "nl80211: Delete PMKID for " MACSTR
,
7048 return nl80211_pmkid(bss
, NL80211_CMD_DEL_PMKSA
, bssid
, pmkid
);
7052 static int nl80211_flush_pmkid(void *priv
)
7054 struct i802_bss
*bss
= priv
;
7055 wpa_printf(MSG_DEBUG
, "nl80211: Flush PMKIDs");
7056 return nl80211_pmkid(bss
, NL80211_CMD_FLUSH_PMKSA
, NULL
, NULL
);
7060 static void clean_survey_results(struct survey_results
*survey_results
)
7062 struct freq_survey
*survey
, *tmp
;
7064 if (dl_list_empty(&survey_results
->survey_list
))
7067 dl_list_for_each_safe(survey
, tmp
, &survey_results
->survey_list
,
7068 struct freq_survey
, list
) {
7069 dl_list_del(&survey
->list
);
7075 static void add_survey(struct nlattr
**sinfo
, u32 ifidx
,
7076 struct dl_list
*survey_list
)
7078 struct freq_survey
*survey
;
7080 survey
= os_zalloc(sizeof(struct freq_survey
));
7084 survey
->ifidx
= ifidx
;
7085 survey
->freq
= nla_get_u32(sinfo
[NL80211_SURVEY_INFO_FREQUENCY
]);
7088 if (sinfo
[NL80211_SURVEY_INFO_NOISE
]) {
7089 survey
->nf
= (int8_t)
7090 nla_get_u8(sinfo
[NL80211_SURVEY_INFO_NOISE
]);
7091 survey
->filled
|= SURVEY_HAS_NF
;
7094 if (sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME
]) {
7095 survey
->channel_time
=
7096 nla_get_u64(sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME
]);
7097 survey
->filled
|= SURVEY_HAS_CHAN_TIME
;
7100 if (sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
]) {
7101 survey
->channel_time_busy
=
7102 nla_get_u64(sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
]);
7103 survey
->filled
|= SURVEY_HAS_CHAN_TIME_BUSY
;
7106 if (sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_RX
]) {
7107 survey
->channel_time_rx
=
7108 nla_get_u64(sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_RX
]);
7109 survey
->filled
|= SURVEY_HAS_CHAN_TIME_RX
;
7112 if (sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_TX
]) {
7113 survey
->channel_time_tx
=
7114 nla_get_u64(sinfo
[NL80211_SURVEY_INFO_CHANNEL_TIME_TX
]);
7115 survey
->filled
|= SURVEY_HAS_CHAN_TIME_TX
;
7118 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)",
7121 (unsigned long int) survey
->channel_time
,
7122 (unsigned long int) survey
->channel_time_busy
,
7123 (unsigned long int) survey
->channel_time_tx
,
7124 (unsigned long int) survey
->channel_time_rx
,
7127 dl_list_add_tail(survey_list
, &survey
->list
);
7131 static int check_survey_ok(struct nlattr
**sinfo
, u32 surveyed_freq
,
7132 unsigned int freq_filter
)
7137 return freq_filter
== surveyed_freq
;
7141 static int survey_handler(struct nl_msg
*msg
, void *arg
)
7143 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
7144 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
7145 struct nlattr
*sinfo
[NL80211_SURVEY_INFO_MAX
+ 1];
7146 struct survey_results
*survey_results
;
7147 u32 surveyed_freq
= 0;
7150 static struct nla_policy survey_policy
[NL80211_SURVEY_INFO_MAX
+ 1] = {
7151 [NL80211_SURVEY_INFO_FREQUENCY
] = { .type
= NLA_U32
},
7152 [NL80211_SURVEY_INFO_NOISE
] = { .type
= NLA_U8
},
7155 survey_results
= (struct survey_results
*) arg
;
7157 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
7158 genlmsg_attrlen(gnlh
, 0), NULL
);
7160 if (!tb
[NL80211_ATTR_IFINDEX
])
7163 ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
7165 if (!tb
[NL80211_ATTR_SURVEY_INFO
])
7168 if (nla_parse_nested(sinfo
, NL80211_SURVEY_INFO_MAX
,
7169 tb
[NL80211_ATTR_SURVEY_INFO
],
7173 if (!sinfo
[NL80211_SURVEY_INFO_FREQUENCY
]) {
7174 wpa_printf(MSG_ERROR
, "nl80211: Invalid survey data");
7178 surveyed_freq
= nla_get_u32(sinfo
[NL80211_SURVEY_INFO_FREQUENCY
]);
7180 if (!check_survey_ok(sinfo
, surveyed_freq
,
7181 survey_results
->freq_filter
))
7184 if (survey_results
->freq_filter
&&
7185 survey_results
->freq_filter
!= surveyed_freq
) {
7186 wpa_printf(MSG_EXCESSIVE
, "nl80211: Ignoring survey data for freq %d MHz",
7191 add_survey(sinfo
, ifidx
, &survey_results
->survey_list
);
7197 static int wpa_driver_nl80211_get_survey(void *priv
, unsigned int freq
)
7199 struct i802_bss
*bss
= priv
;
7200 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7203 union wpa_event_data data
;
7204 struct survey_results
*survey_results
;
7206 os_memset(&data
, 0, sizeof(data
));
7207 survey_results
= &data
.survey_results
;
7209 dl_list_init(&survey_results
->survey_list
);
7211 msg
= nl80211_drv_msg(drv
, NLM_F_DUMP
, NL80211_CMD_GET_SURVEY
);
7216 data
.survey_results
.freq_filter
= freq
;
7219 wpa_printf(MSG_DEBUG
, "nl80211: Fetch survey data");
7220 err
= send_and_recv_msgs(drv
, msg
, survey_handler
,
7225 wpa_printf(MSG_ERROR
, "nl80211: Failed to process survey data");
7227 wpa_supplicant_event(drv
->ctx
, EVENT_SURVEY
, &data
);
7229 clean_survey_results(survey_results
);
7234 static void nl80211_set_rekey_info(void *priv
, const u8
*kek
, size_t kek_len
,
7235 const u8
*kck
, size_t kck_len
,
7236 const u8
*replay_ctr
)
7238 struct i802_bss
*bss
= priv
;
7239 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7240 struct nlattr
*replay_nested
;
7244 if (!drv
->set_rekey_offload
)
7247 wpa_printf(MSG_DEBUG
, "nl80211: Set rekey offload");
7248 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_REKEY_OFFLOAD
)) ||
7249 !(replay_nested
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
)) ||
7250 nla_put(msg
, NL80211_REKEY_DATA_KEK
, kek_len
, kek
) ||
7251 nla_put(msg
, NL80211_REKEY_DATA_KCK
, kck_len
, kck
) ||
7252 nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
, NL80211_REPLAY_CTR_LEN
,
7254 nl80211_nlmsg_clear(msg
);
7259 nla_nest_end(msg
, replay_nested
);
7261 ret
= send_and_recv_msgs(drv
, msg
, NULL
, (void *) -1);
7262 if (ret
== -EOPNOTSUPP
) {
7263 wpa_printf(MSG_DEBUG
,
7264 "nl80211: Driver does not support rekey offload");
7265 drv
->set_rekey_offload
= 0;
7270 static void nl80211_send_null_frame(struct i802_bss
*bss
, const u8
*own_addr
,
7271 const u8
*addr
, int qos
)
7273 /* send data frame to poll STA and check whether
7274 * this frame is ACKed */
7276 struct ieee80211_hdr hdr
;
7278 } STRUCT_PACKED nulldata
;
7281 /* Send data frame to poll STA and check whether this frame is ACKed */
7283 os_memset(&nulldata
, 0, sizeof(nulldata
));
7286 nulldata
.hdr
.frame_control
=
7287 IEEE80211_FC(WLAN_FC_TYPE_DATA
,
7288 WLAN_FC_STYPE_QOS_NULL
);
7289 size
= sizeof(nulldata
);
7291 nulldata
.hdr
.frame_control
=
7292 IEEE80211_FC(WLAN_FC_TYPE_DATA
,
7293 WLAN_FC_STYPE_NULLFUNC
);
7294 size
= sizeof(struct ieee80211_hdr
);
7297 nulldata
.hdr
.frame_control
|= host_to_le16(WLAN_FC_FROMDS
);
7298 os_memcpy(nulldata
.hdr
.IEEE80211_DA_FROMDS
, addr
, ETH_ALEN
);
7299 os_memcpy(nulldata
.hdr
.IEEE80211_BSSID_FROMDS
, own_addr
, ETH_ALEN
);
7300 os_memcpy(nulldata
.hdr
.IEEE80211_SA_FROMDS
, own_addr
, ETH_ALEN
);
7302 if (wpa_driver_nl80211_send_mlme(bss
, (u8
*) &nulldata
, size
, 0, 0, 0,
7304 wpa_printf(MSG_DEBUG
, "nl80211_send_null_frame: Failed to "
7308 static void nl80211_poll_client(void *priv
, const u8
*own_addr
, const u8
*addr
,
7311 struct i802_bss
*bss
= priv
;
7312 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7316 if (!drv
->poll_command_supported
) {
7317 nl80211_send_null_frame(bss
, own_addr
, addr
, qos
);
7321 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_PROBE_CLIENT
)) ||
7322 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) {
7327 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7329 wpa_printf(MSG_DEBUG
, "nl80211: Client probe request for "
7330 MACSTR
" failed: ret=%d (%s)",
7331 MAC2STR(addr
), ret
, strerror(-ret
));
7336 static int nl80211_set_power_save(struct i802_bss
*bss
, int enabled
)
7340 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_SET_POWER_SAVE
)) ||
7341 nla_put_u32(msg
, NL80211_ATTR_PS_STATE
,
7342 enabled
? NL80211_PS_ENABLED
: NL80211_PS_DISABLED
)) {
7346 return send_and_recv_msgs(bss
->drv
, msg
, NULL
, NULL
);
7350 static int nl80211_set_p2p_powersave(void *priv
, int legacy_ps
, int opp_ps
,
7353 struct i802_bss
*bss
= priv
;
7355 wpa_printf(MSG_DEBUG
, "nl80211: set_p2p_powersave (legacy_ps=%d "
7356 "opp_ps=%d ctwindow=%d)", legacy_ps
, opp_ps
, ctwindow
);
7358 if (opp_ps
!= -1 || ctwindow
!= -1) {
7360 wpa_driver_set_p2p_ps(priv
, legacy_ps
, opp_ps
, ctwindow
);
7361 #else /* ANDROID_P2P */
7362 return -1; /* Not yet supported */
7363 #endif /* ANDROID_P2P */
7366 if (legacy_ps
== -1)
7368 if (legacy_ps
!= 0 && legacy_ps
!= 1)
7369 return -1; /* Not yet supported */
7371 return nl80211_set_power_save(bss
, legacy_ps
);
7375 static int nl80211_start_radar_detection(void *priv
,
7376 struct hostapd_freq_params
*freq
)
7378 struct i802_bss
*bss
= priv
;
7379 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7383 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)",
7384 freq
->freq
, freq
->ht_enabled
, freq
->vht_enabled
,
7385 freq
->bandwidth
, freq
->center_freq1
, freq
->center_freq2
);
7387 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_RADAR
)) {
7388 wpa_printf(MSG_DEBUG
, "nl80211: Driver does not support radar "
7393 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_RADAR_DETECT
)) ||
7394 nl80211_put_freq_params(msg
, freq
) < 0) {
7399 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7402 wpa_printf(MSG_DEBUG
, "nl80211: Failed to start radar detection: "
7403 "%d (%s)", ret
, strerror(-ret
));
7409 static int nl80211_send_tdls_mgmt(void *priv
, const u8
*dst
, u8 action_code
,
7410 u8 dialog_token
, u16 status_code
,
7411 u32 peer_capab
, int initiator
, const u8
*buf
,
7414 struct i802_bss
*bss
= priv
;
7415 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7418 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
))
7424 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_TDLS_MGMT
)) ||
7425 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
7426 nla_put_u8(msg
, NL80211_ATTR_TDLS_ACTION
, action_code
) ||
7427 nla_put_u8(msg
, NL80211_ATTR_TDLS_DIALOG_TOKEN
, dialog_token
) ||
7428 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status_code
))
7432 * The internal enum tdls_peer_capability definition is
7433 * currently identical with the nl80211 enum
7434 * nl80211_tdls_peer_capability, so no conversion is needed
7437 if (nla_put_u32(msg
, NL80211_ATTR_TDLS_PEER_CAPABILITY
,
7442 nla_put_flag(msg
, NL80211_ATTR_TDLS_INITIATOR
)) ||
7443 nla_put(msg
, NL80211_ATTR_IE
, len
, buf
))
7446 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7454 static int nl80211_tdls_oper(void *priv
, enum tdls_oper oper
, const u8
*peer
)
7456 struct i802_bss
*bss
= priv
;
7457 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7459 enum nl80211_tdls_operation nl80211_oper
;
7461 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
))
7465 case TDLS_DISCOVERY_REQ
:
7466 nl80211_oper
= NL80211_TDLS_DISCOVERY_REQ
;
7469 nl80211_oper
= NL80211_TDLS_SETUP
;
7472 nl80211_oper
= NL80211_TDLS_TEARDOWN
;
7474 case TDLS_ENABLE_LINK
:
7475 nl80211_oper
= NL80211_TDLS_ENABLE_LINK
;
7477 case TDLS_DISABLE_LINK
:
7478 nl80211_oper
= NL80211_TDLS_DISABLE_LINK
;
7488 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_TDLS_OPER
)) ||
7489 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, nl80211_oper
) ||
7490 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
)) {
7495 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7500 nl80211_tdls_enable_channel_switch(void *priv
, const u8
*addr
, u8 oper_class
,
7501 const struct hostapd_freq_params
*params
)
7503 struct i802_bss
*bss
= priv
;
7504 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7508 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
) ||
7509 !(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH
))
7512 wpa_printf(MSG_DEBUG
, "nl80211: Enable TDLS channel switch " MACSTR
7513 " oper_class=%u freq=%u",
7514 MAC2STR(addr
), oper_class
, params
->freq
);
7515 msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH
);
7517 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
7518 nla_put_u8(msg
, NL80211_ATTR_OPER_CLASS
, oper_class
) ||
7519 (ret
= nl80211_put_freq_params(msg
, params
))) {
7521 wpa_printf(MSG_DEBUG
, "nl80211: Could not build TDLS chan switch");
7525 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7530 nl80211_tdls_disable_channel_switch(void *priv
, const u8
*addr
)
7532 struct i802_bss
*bss
= priv
;
7533 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7536 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_SUPPORT
) ||
7537 !(drv
->capa
.flags
& WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH
))
7540 wpa_printf(MSG_DEBUG
, "nl80211: Disable TDLS channel switch " MACSTR
,
7542 msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
);
7544 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) {
7546 wpa_printf(MSG_DEBUG
,
7547 "nl80211: Could not build TDLS cancel chan switch");
7551 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7554 #endif /* CONFIG TDLS */
7557 static int driver_nl80211_set_key(const char *ifname
, void *priv
,
7558 enum wpa_alg alg
, const u8
*addr
,
7559 int key_idx
, int set_tx
,
7560 const u8
*seq
, size_t seq_len
,
7561 const u8
*key
, size_t key_len
)
7563 struct i802_bss
*bss
= priv
;
7564 return wpa_driver_nl80211_set_key(ifname
, bss
, alg
, addr
, key_idx
,
7565 set_tx
, seq
, seq_len
, key
, key_len
);
7569 static int driver_nl80211_scan2(void *priv
,
7570 struct wpa_driver_scan_params
*params
)
7572 struct i802_bss
*bss
= priv
;
7573 #ifdef CONFIG_DRIVER_NL80211_QCA
7574 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7577 * Do a vendor specific scan if possible. If only_new_results is
7578 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
7579 * cannot be achieved through a vendor scan. The below condition may
7580 * need to be modified if new scan flags are added in the future whose
7581 * functionality can only be achieved through a normal scan.
7583 if (drv
->scan_vendor_cmd_avail
&& !params
->only_new_results
)
7584 return wpa_driver_nl80211_vendor_scan(bss
, params
);
7585 #endif /* CONFIG_DRIVER_NL80211_QCA */
7586 return wpa_driver_nl80211_scan(bss
, params
);
7590 static int driver_nl80211_deauthenticate(void *priv
, const u8
*addr
,
7593 struct i802_bss
*bss
= priv
;
7594 return wpa_driver_nl80211_deauthenticate(bss
, addr
, reason_code
);
7598 static int driver_nl80211_authenticate(void *priv
,
7599 struct wpa_driver_auth_params
*params
)
7601 struct i802_bss
*bss
= priv
;
7602 return wpa_driver_nl80211_authenticate(bss
, params
);
7606 static void driver_nl80211_deinit(void *priv
)
7608 struct i802_bss
*bss
= priv
;
7609 wpa_driver_nl80211_deinit(bss
);
7613 static int driver_nl80211_if_remove(void *priv
, enum wpa_driver_if_type type
,
7616 struct i802_bss
*bss
= priv
;
7617 return wpa_driver_nl80211_if_remove(bss
, type
, ifname
);
7621 static int driver_nl80211_send_mlme(void *priv
, const u8
*data
,
7622 size_t data_len
, int noack
,
7624 const u16
*csa_offs
, size_t csa_offs_len
)
7626 struct i802_bss
*bss
= priv
;
7627 return wpa_driver_nl80211_send_mlme(bss
, data
, data_len
, noack
,
7628 freq
, 0, 0, 0, csa_offs
,
7633 static int driver_nl80211_sta_remove(void *priv
, const u8
*addr
)
7635 struct i802_bss
*bss
= priv
;
7636 return wpa_driver_nl80211_sta_remove(bss
, addr
, -1, 0);
7640 static int driver_nl80211_set_sta_vlan(void *priv
, const u8
*addr
,
7641 const char *ifname
, int vlan_id
)
7643 struct i802_bss
*bss
= priv
;
7644 return i802_set_sta_vlan(bss
, addr
, ifname
, vlan_id
);
7648 static int driver_nl80211_read_sta_data(void *priv
,
7649 struct hostap_sta_driver_data
*data
,
7652 struct i802_bss
*bss
= priv
;
7653 return i802_read_sta_data(bss
, data
, addr
);
7657 static int driver_nl80211_send_action(void *priv
, unsigned int freq
,
7658 unsigned int wait_time
,
7659 const u8
*dst
, const u8
*src
,
7661 const u8
*data
, size_t data_len
,
7664 struct i802_bss
*bss
= priv
;
7665 return wpa_driver_nl80211_send_action(bss
, freq
, wait_time
, dst
, src
,
7666 bssid
, data
, data_len
, no_cck
);
7670 static int driver_nl80211_probe_req_report(void *priv
, int report
)
7672 struct i802_bss
*bss
= priv
;
7673 return wpa_driver_nl80211_probe_req_report(bss
, report
);
7677 static int wpa_driver_nl80211_update_ft_ies(void *priv
, const u8
*md
,
7678 const u8
*ies
, size_t ies_len
)
7682 struct i802_bss
*bss
= priv
;
7683 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7684 u16 mdid
= WPA_GET_LE16(md
);
7686 wpa_printf(MSG_DEBUG
, "nl80211: Updating FT IEs");
7687 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_UPDATE_FT_IES
)) ||
7688 nla_put(msg
, NL80211_ATTR_IE
, ies_len
, ies
) ||
7689 nla_put_u16(msg
, NL80211_ATTR_MDID
, mdid
)) {
7694 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
7696 wpa_printf(MSG_DEBUG
, "nl80211: update_ft_ies failed "
7697 "err=%d (%s)", ret
, strerror(-ret
));
7704 const u8
* wpa_driver_nl80211_get_macaddr(void *priv
)
7706 struct i802_bss
*bss
= priv
;
7707 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7709 if (drv
->nlmode
!= NL80211_IFTYPE_P2P_DEVICE
)
7716 static const char * scan_state_str(enum scan_states scan_state
)
7718 switch (scan_state
) {
7721 case SCAN_REQUESTED
:
7722 return "SCAN_REQUESTED";
7724 return "SCAN_STARTED";
7725 case SCAN_COMPLETED
:
7726 return "SCAN_COMPLETED";
7728 return "SCAN_ABORTED";
7729 case SCHED_SCAN_STARTED
:
7730 return "SCHED_SCAN_STARTED";
7731 case SCHED_SCAN_STOPPED
:
7732 return "SCHED_SCAN_STOPPED";
7733 case SCHED_SCAN_RESULTS
:
7734 return "SCHED_SCAN_RESULTS";
7741 static int wpa_driver_nl80211_status(void *priv
, char *buf
, size_t buflen
)
7743 struct i802_bss
*bss
= priv
;
7744 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7751 res
= os_snprintf(pos
, end
- pos
,
7763 bss
->beacon_set
? "beacon_set=1\n" : "",
7764 bss
->added_if_into_bridge
?
7765 "added_if_into_bridge=1\n" : "",
7766 bss
->added_bridge
? "added_bridge=1\n" : "",
7767 bss
->in_deinit
? "in_deinit=1\n" : "",
7768 bss
->if_dynamic
? "if_dynamic=1\n" : "");
7769 if (os_snprintf_error(end
- pos
, res
))
7773 if (bss
->wdev_id_set
) {
7774 res
= os_snprintf(pos
, end
- pos
, "wdev_id=%llu\n",
7775 (unsigned long long) bss
->wdev_id
);
7776 if (os_snprintf_error(end
- pos
, res
))
7781 res
= os_snprintf(pos
, end
- pos
,
7783 "perm_addr=" MACSTR
"\n"
7787 "auth_bssid=" MACSTR
"\n"
7788 "auth_attempt_bssid=" MACSTR
"\n"
7789 "bssid=" MACSTR
"\n"
7790 "prev_bssid=" MACSTR
"\n"
7794 "monitor_ifidx=%d\n"
7795 "monitor_refcount=%d\n"
7796 "last_mgmt_freq=%u\n"
7797 "eapol_tx_sock=%d\n"
7798 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
7800 MAC2STR(drv
->perm_addr
),
7803 scan_state_str(drv
->scan_state
),
7804 MAC2STR(drv
->auth_bssid
),
7805 MAC2STR(drv
->auth_attempt_bssid
),
7806 MAC2STR(drv
->bssid
),
7807 MAC2STR(drv
->prev_bssid
),
7812 drv
->monitor_refcount
,
7813 drv
->last_mgmt_freq
,
7815 drv
->ignore_if_down_event
?
7816 "ignore_if_down_event=1\n" : "",
7817 drv
->scan_complete_events
?
7818 "scan_complete_events=1\n" : "",
7819 drv
->disabled_11b_rates
?
7820 "disabled_11b_rates=1\n" : "",
7821 drv
->pending_remain_on_chan
?
7822 "pending_remain_on_chan=1\n" : "",
7823 drv
->in_interface_list
? "in_interface_list=1\n" : "",
7824 drv
->device_ap_sme
? "device_ap_sme=1\n" : "",
7825 drv
->poll_command_supported
?
7826 "poll_command_supported=1\n" : "",
7827 drv
->data_tx_status
? "data_tx_status=1\n" : "",
7828 drv
->scan_for_auth
? "scan_for_auth=1\n" : "",
7829 drv
->retry_auth
? "retry_auth=1\n" : "",
7830 drv
->use_monitor
? "use_monitor=1\n" : "",
7831 drv
->ignore_next_local_disconnect
?
7832 "ignore_next_local_disconnect=1\n" : "",
7833 drv
->ignore_next_local_deauth
?
7834 "ignore_next_local_deauth=1\n" : "");
7835 if (os_snprintf_error(end
- pos
, res
))
7839 if (drv
->has_capability
) {
7840 res
= os_snprintf(pos
, end
- pos
,
7841 "capa.key_mgmt=0x%x\n"
7844 "capa.flags=0x%llx\n"
7845 "capa.rrm_flags=0x%x\n"
7846 "capa.max_scan_ssids=%d\n"
7847 "capa.max_sched_scan_ssids=%d\n"
7848 "capa.sched_scan_supported=%d\n"
7849 "capa.max_match_sets=%d\n"
7850 "capa.max_remain_on_chan=%u\n"
7851 "capa.max_stations=%u\n"
7852 "capa.probe_resp_offloads=0x%x\n"
7853 "capa.max_acl_mac_addrs=%u\n"
7854 "capa.num_multichan_concurrent=%u\n"
7855 "capa.mac_addr_rand_sched_scan_supported=%d\n"
7856 "capa.mac_addr_rand_scan_supported=%d\n"
7857 "capa.conc_capab=%u\n"
7858 "capa.max_conc_chan_2_4=%u\n"
7859 "capa.max_conc_chan_5_0=%u\n"
7860 "capa.max_sched_scan_plans=%u\n"
7861 "capa.max_sched_scan_plan_interval=%u\n"
7862 "capa.max_sched_scan_plan_iterations=%u\n",
7866 (unsigned long long) drv
->capa
.flags
,
7867 drv
->capa
.rrm_flags
,
7868 drv
->capa
.max_scan_ssids
,
7869 drv
->capa
.max_sched_scan_ssids
,
7870 drv
->capa
.sched_scan_supported
,
7871 drv
->capa
.max_match_sets
,
7872 drv
->capa
.max_remain_on_chan
,
7873 drv
->capa
.max_stations
,
7874 drv
->capa
.probe_resp_offloads
,
7875 drv
->capa
.max_acl_mac_addrs
,
7876 drv
->capa
.num_multichan_concurrent
,
7877 drv
->capa
.mac_addr_rand_sched_scan_supported
,
7878 drv
->capa
.mac_addr_rand_scan_supported
,
7879 drv
->capa
.conc_capab
,
7880 drv
->capa
.max_conc_chan_2_4
,
7881 drv
->capa
.max_conc_chan_5_0
,
7882 drv
->capa
.max_sched_scan_plans
,
7883 drv
->capa
.max_sched_scan_plan_interval
,
7884 drv
->capa
.max_sched_scan_plan_iterations
);
7885 if (os_snprintf_error(end
- pos
, res
))
7894 static int set_beacon_data(struct nl_msg
*msg
, struct beacon_data
*settings
)
7896 if ((settings
->head
&&
7897 nla_put(msg
, NL80211_ATTR_BEACON_HEAD
,
7898 settings
->head_len
, settings
->head
)) ||
7900 nla_put(msg
, NL80211_ATTR_BEACON_TAIL
,
7901 settings
->tail_len
, settings
->tail
)) ||
7902 (settings
->beacon_ies
&&
7903 nla_put(msg
, NL80211_ATTR_IE
,
7904 settings
->beacon_ies_len
, settings
->beacon_ies
)) ||
7905 (settings
->proberesp_ies
&&
7906 nla_put(msg
, NL80211_ATTR_IE_PROBE_RESP
,
7907 settings
->proberesp_ies_len
, settings
->proberesp_ies
)) ||
7908 (settings
->assocresp_ies
&&
7909 nla_put(msg
, NL80211_ATTR_IE_ASSOC_RESP
,
7910 settings
->assocresp_ies_len
, settings
->assocresp_ies
)) ||
7911 (settings
->probe_resp
&&
7912 nla_put(msg
, NL80211_ATTR_PROBE_RESP
,
7913 settings
->probe_resp_len
, settings
->probe_resp
)))
7920 static int nl80211_switch_channel(void *priv
, struct csa_settings
*settings
)
7923 struct i802_bss
*bss
= priv
;
7924 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
7925 struct nlattr
*beacon_csa
;
7927 int csa_off_len
= 0;
7930 wpa_printf(MSG_DEBUG
, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)",
7931 settings
->cs_count
, settings
->block_tx
,
7932 settings
->freq_params
.freq
, settings
->freq_params
.bandwidth
,
7933 settings
->freq_params
.center_freq1
,
7934 settings
->freq_params
.center_freq2
);
7936 if (!(drv
->capa
.flags
& WPA_DRIVER_FLAGS_AP_CSA
)) {
7937 wpa_printf(MSG_DEBUG
, "nl80211: Driver does not support channel switch command");
7941 if ((drv
->nlmode
!= NL80211_IFTYPE_AP
) &&
7942 (drv
->nlmode
!= NL80211_IFTYPE_P2P_GO
))
7946 * Remove empty counters, assuming Probe Response and Beacon frame
7947 * counters match. This implementation assumes that there are only two
7950 if (settings
->counter_offset_beacon
[0] &&
7951 !settings
->counter_offset_beacon
[1]) {
7953 } else if (settings
->counter_offset_beacon
[1] &&
7954 !settings
->counter_offset_beacon
[0]) {
7956 settings
->counter_offset_beacon
[0] =
7957 settings
->counter_offset_beacon
[1];
7958 settings
->counter_offset_presp
[0] =
7959 settings
->counter_offset_presp
[1];
7960 } else if (settings
->counter_offset_beacon
[1] &&
7961 settings
->counter_offset_beacon
[0]) {
7964 wpa_printf(MSG_ERROR
, "nl80211: No CSA counters provided");
7968 /* Check CSA counters validity */
7969 if (drv
->capa
.max_csa_counters
&&
7970 csa_off_len
> drv
->capa
.max_csa_counters
) {
7971 wpa_printf(MSG_ERROR
,
7972 "nl80211: Too many CSA counters provided");
7976 if (!settings
->beacon_csa
.tail
)
7979 for (i
= 0; i
< csa_off_len
; i
++) {
7980 u16 csa_c_off_bcn
= settings
->counter_offset_beacon
[i
];
7981 u16 csa_c_off_presp
= settings
->counter_offset_presp
[i
];
7983 if ((settings
->beacon_csa
.tail_len
<= csa_c_off_bcn
) ||
7984 (settings
->beacon_csa
.tail
[csa_c_off_bcn
] !=
7985 settings
->cs_count
))
7988 if (settings
->beacon_csa
.probe_resp
&&
7989 ((settings
->beacon_csa
.probe_resp_len
<=
7991 (settings
->beacon_csa
.probe_resp
[csa_c_off_presp
] !=
7992 settings
->cs_count
)))
7996 if (!(msg
= nl80211_bss_msg(bss
, 0, NL80211_CMD_CHANNEL_SWITCH
)) ||
7997 nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
,
7998 settings
->cs_count
) ||
7999 (ret
= nl80211_put_freq_params(msg
, &settings
->freq_params
)) ||
8000 (settings
->block_tx
&&
8001 nla_put_flag(msg
, NL80211_ATTR_CH_SWITCH_BLOCK_TX
)))
8004 /* beacon_after params */
8005 ret
= set_beacon_data(msg
, &settings
->beacon_after
);
8009 /* beacon_csa params */
8010 beacon_csa
= nla_nest_start(msg
, NL80211_ATTR_CSA_IES
);
8014 ret
= set_beacon_data(msg
, &settings
->beacon_csa
);
8018 if (nla_put(msg
, NL80211_ATTR_CSA_C_OFF_BEACON
,
8019 csa_off_len
* sizeof(u16
),
8020 settings
->counter_offset_beacon
) ||
8021 (settings
->beacon_csa
.probe_resp
&&
8022 nla_put(msg
, NL80211_ATTR_CSA_C_OFF_PRESP
,
8023 csa_off_len
* sizeof(u16
),
8024 settings
->counter_offset_presp
)))
8027 nla_nest_end(msg
, beacon_csa
);
8028 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8030 wpa_printf(MSG_DEBUG
, "nl80211: switch_channel failed err=%d (%s)",
8031 ret
, strerror(-ret
));
8039 wpa_printf(MSG_DEBUG
, "nl80211: Could not build channel switch request");
8044 static int nl80211_add_ts(void *priv
, u8 tsid
, const u8
*addr
,
8045 u8 user_priority
, u16 admitted_time
)
8047 struct i802_bss
*bss
= priv
;
8048 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8052 wpa_printf(MSG_DEBUG
,
8053 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
8054 tsid
, admitted_time
, user_priority
);
8056 if (!is_sta_interface(drv
->nlmode
))
8059 msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_ADD_TX_TS
);
8061 nla_put_u8(msg
, NL80211_ATTR_TSID
, tsid
) ||
8062 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
8063 nla_put_u8(msg
, NL80211_ATTR_USER_PRIO
, user_priority
) ||
8064 nla_put_u16(msg
, NL80211_ATTR_ADMITTED_TIME
, admitted_time
)) {
8069 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8071 wpa_printf(MSG_DEBUG
, "nl80211: add_ts failed err=%d (%s)",
8072 ret
, strerror(-ret
));
8077 static int nl80211_del_ts(void *priv
, u8 tsid
, const u8
*addr
)
8079 struct i802_bss
*bss
= priv
;
8080 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8084 wpa_printf(MSG_DEBUG
, "nl80211: del_ts request: tsid=%u", tsid
);
8086 if (!is_sta_interface(drv
->nlmode
))
8089 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_DEL_TX_TS
)) ||
8090 nla_put_u8(msg
, NL80211_ATTR_TSID
, tsid
) ||
8091 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) {
8096 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8098 wpa_printf(MSG_DEBUG
, "nl80211: del_ts failed err=%d (%s)",
8099 ret
, strerror(-ret
));
8104 #ifdef CONFIG_TESTING_OPTIONS
8105 static int cmd_reply_handler(struct nl_msg
*msg
, void *arg
)
8107 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
8108 struct wpabuf
*buf
= arg
;
8113 if ((size_t) genlmsg_attrlen(gnlh
, 0) > wpabuf_tailroom(buf
)) {
8114 wpa_printf(MSG_INFO
, "nl80211: insufficient buffer space for reply");
8118 wpabuf_put_data(buf
, genlmsg_attrdata(gnlh
, 0),
8119 genlmsg_attrlen(gnlh
, 0));
8123 #endif /* CONFIG_TESTING_OPTIONS */
8126 static int vendor_reply_handler(struct nl_msg
*msg
, void *arg
)
8128 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
8129 struct nlattr
*nl_vendor_reply
, *nl
;
8130 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
8131 struct wpabuf
*buf
= arg
;
8137 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
8138 genlmsg_attrlen(gnlh
, 0), NULL
);
8139 nl_vendor_reply
= tb
[NL80211_ATTR_VENDOR_DATA
];
8141 if (!nl_vendor_reply
)
8144 if ((size_t) nla_len(nl_vendor_reply
) > wpabuf_tailroom(buf
)) {
8145 wpa_printf(MSG_INFO
, "nl80211: Vendor command: insufficient buffer space for reply");
8149 nla_for_each_nested(nl
, nl_vendor_reply
, rem
) {
8150 wpabuf_put_data(buf
, nla_data(nl
), nla_len(nl
));
8157 static int nl80211_vendor_cmd(void *priv
, unsigned int vendor_id
,
8158 unsigned int subcmd
, const u8
*data
,
8159 size_t data_len
, struct wpabuf
*buf
)
8161 struct i802_bss
*bss
= priv
;
8162 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8166 #ifdef CONFIG_TESTING_OPTIONS
8167 if (vendor_id
== 0xffffffff) {
8168 msg
= nlmsg_alloc();
8172 nl80211_cmd(drv
, msg
, 0, subcmd
);
8173 if (nlmsg_append(msg
, (void *) data
, data_len
, NLMSG_ALIGNTO
) <
8176 ret
= send_and_recv_msgs(drv
, msg
, cmd_reply_handler
, buf
);
8178 wpa_printf(MSG_DEBUG
, "nl80211: command failed err=%d",
8182 #endif /* CONFIG_TESTING_OPTIONS */
8184 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_VENDOR
)) ||
8185 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, vendor_id
) ||
8186 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
, subcmd
) ||
8188 nla_put(msg
, NL80211_ATTR_VENDOR_DATA
, data_len
, data
)))
8191 ret
= send_and_recv_msgs(drv
, msg
, vendor_reply_handler
, buf
);
8193 wpa_printf(MSG_DEBUG
, "nl80211: vendor command failed err=%d",
8203 static int nl80211_set_qos_map(void *priv
, const u8
*qos_map_set
,
8206 struct i802_bss
*bss
= priv
;
8207 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8211 wpa_hexdump(MSG_DEBUG
, "nl80211: Setting QoS Map",
8212 qos_map_set
, qos_map_set_len
);
8214 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_SET_QOS_MAP
)) ||
8215 nla_put(msg
, NL80211_ATTR_QOS_MAP
, qos_map_set_len
, qos_map_set
)) {
8220 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8222 wpa_printf(MSG_DEBUG
, "nl80211: Setting QoS Map failed");
8228 static int nl80211_set_wowlan(void *priv
,
8229 const struct wowlan_triggers
*triggers
)
8231 struct i802_bss
*bss
= priv
;
8232 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8234 struct nlattr
*wowlan_triggers
;
8237 wpa_printf(MSG_DEBUG
, "nl80211: Setting wowlan");
8239 if (!(msg
= nl80211_cmd_msg(bss
, 0, NL80211_CMD_SET_WOWLAN
)) ||
8240 !(wowlan_triggers
= nla_nest_start(msg
,
8241 NL80211_ATTR_WOWLAN_TRIGGERS
)) ||
8243 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8244 (triggers
->disconnect
&&
8245 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8246 (triggers
->magic_pkt
&&
8247 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8248 (triggers
->gtk_rekey_failure
&&
8249 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8250 (triggers
->eap_identity_req
&&
8251 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8252 (triggers
->four_way_handshake
&&
8253 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8254 (triggers
->rfkill_release
&&
8255 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))) {
8260 nla_nest_end(msg
, wowlan_triggers
);
8262 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8264 wpa_printf(MSG_DEBUG
, "nl80211: Setting wowlan failed");
8270 #ifdef CONFIG_DRIVER_NL80211_QCA
8271 static int nl80211_roaming(void *priv
, int allowed
, const u8
*bssid
)
8273 struct i802_bss
*bss
= priv
;
8274 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8276 struct nlattr
*params
;
8278 wpa_printf(MSG_DEBUG
, "nl80211: Roaming policy: allowed=%d", allowed
);
8280 if (!drv
->roaming_vendor_cmd_avail
) {
8281 wpa_printf(MSG_DEBUG
,
8282 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
8286 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
8287 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
8288 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
8289 QCA_NL80211_VENDOR_SUBCMD_ROAMING
) ||
8290 !(params
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
8291 nla_put_u32(msg
, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY
,
8292 allowed
? QCA_ROAMING_ALLOWED_WITHIN_ESS
:
8293 QCA_ROAMING_NOT_ALLOWED
) ||
8295 nla_put(msg
, QCA_WLAN_VENDOR_ATTR_MAC_ADDR
, ETH_ALEN
, bssid
))) {
8299 nla_nest_end(msg
, params
);
8301 return send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8303 #endif /* CONFIG_DRIVER_NL80211_QCA */
8306 static int nl80211_set_mac_addr(void *priv
, const u8
*addr
)
8308 struct i802_bss
*bss
= priv
;
8309 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8310 int new_addr
= addr
!= NULL
;
8316 addr
= drv
->perm_addr
;
8318 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
, 0) < 0)
8321 if (linux_set_ifhwaddr(drv
->global
->ioctl_sock
, bss
->ifname
, addr
) < 0)
8323 wpa_printf(MSG_DEBUG
,
8324 "nl80211: failed to set_mac_addr for %s to " MACSTR
,
8325 bss
->ifname
, MAC2STR(addr
));
8326 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
,
8328 wpa_printf(MSG_DEBUG
,
8329 "nl80211: Could not restore interface UP after failed set_mac_addr");
8334 wpa_printf(MSG_DEBUG
, "nl80211: set_mac_addr for %s to " MACSTR
,
8335 bss
->ifname
, MAC2STR(addr
));
8336 drv
->addr_changed
= new_addr
;
8337 os_memcpy(bss
->addr
, addr
, ETH_ALEN
);
8339 if (linux_set_iface_flags(drv
->global
->ioctl_sock
, bss
->ifname
, 1) < 0)
8341 wpa_printf(MSG_DEBUG
,
8342 "nl80211: Could not restore interface UP after set_mac_addr");
8351 static int wpa_driver_nl80211_init_mesh(void *priv
)
8353 if (wpa_driver_nl80211_set_mode(priv
, NL80211_IFTYPE_MESH_POINT
)) {
8354 wpa_printf(MSG_INFO
,
8355 "nl80211: Failed to set interface into mesh mode");
8362 static int nl80211_put_mesh_id(struct nl_msg
*msg
, const u8
*mesh_id
,
8366 wpa_hexdump_ascii(MSG_DEBUG
, " * Mesh ID (SSID)",
8367 mesh_id
, mesh_id_len
);
8368 return nla_put(msg
, NL80211_ATTR_MESH_ID
, mesh_id_len
, mesh_id
);
8375 static int nl80211_join_mesh(struct i802_bss
*bss
,
8376 struct wpa_driver_mesh_join_params
*params
)
8378 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8380 struct nlattr
*container
;
8383 wpa_printf(MSG_DEBUG
, "nl80211: mesh join (ifindex=%d)", drv
->ifindex
);
8384 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_JOIN_MESH
);
8386 nl80211_put_freq_params(msg
, ¶ms
->freq
) ||
8387 nl80211_put_basic_rates(msg
, params
->basic_rates
) ||
8388 nl80211_put_mesh_id(msg
, params
->meshid
, params
->meshid_len
) ||
8389 nl80211_put_beacon_int(msg
, params
->beacon_int
))
8392 wpa_printf(MSG_DEBUG
, " * flags=%08X", params
->flags
);
8394 container
= nla_nest_start(msg
, NL80211_ATTR_MESH_SETUP
);
8399 wpa_hexdump(MSG_DEBUG
, " * IEs", params
->ies
, params
->ie_len
);
8400 if (nla_put(msg
, NL80211_MESH_SETUP_IE
, params
->ie_len
,
8404 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
8405 if (params
->flags
& WPA_DRIVER_MESH_FLAG_SAE_AUTH
) {
8406 if (nla_put_u8(msg
, NL80211_MESH_SETUP_AUTH_PROTOCOL
, 0x1) ||
8407 nla_put_flag(msg
, NL80211_MESH_SETUP_USERSPACE_AUTH
))
8410 if ((params
->flags
& WPA_DRIVER_MESH_FLAG_AMPE
) &&
8411 nla_put_flag(msg
, NL80211_MESH_SETUP_USERSPACE_AMPE
))
8413 if ((params
->flags
& WPA_DRIVER_MESH_FLAG_USER_MPM
) &&
8414 nla_put_flag(msg
, NL80211_MESH_SETUP_USERSPACE_MPM
))
8416 nla_nest_end(msg
, container
);
8418 container
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
8422 if (!(params
->conf
.flags
& WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS
) &&
8423 nla_put_u32(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
, 0))
8425 if ((params
->conf
.flags
& WPA_DRIVER_MESH_FLAG_DRIVER_MPM
) &&
8426 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
8427 params
->max_peer_links
))
8431 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
8432 * the timer could disconnect stations even in that case.
8434 if (nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
8435 params
->conf
.peer_link_timeout
)) {
8436 wpa_printf(MSG_ERROR
, "nl80211: Failed to set PLINK_TIMEOUT");
8440 nla_nest_end(msg
, container
);
8442 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8445 wpa_printf(MSG_DEBUG
, "nl80211: mesh join failed: ret=%d (%s)",
8446 ret
, strerror(-ret
));
8450 drv
->assoc_freq
= bss
->freq
= params
->freq
.freq
;
8451 wpa_printf(MSG_DEBUG
, "nl80211: mesh join request send successfully");
8460 wpa_driver_nl80211_join_mesh(void *priv
,
8461 struct wpa_driver_mesh_join_params
*params
)
8463 struct i802_bss
*bss
= priv
;
8466 timeout
= params
->conf
.peer_link_timeout
;
8468 /* Disable kernel inactivity timer */
8469 if (params
->flags
& WPA_DRIVER_MESH_FLAG_USER_MPM
)
8470 params
->conf
.peer_link_timeout
= 0;
8472 ret
= nl80211_join_mesh(bss
, params
);
8473 if (ret
== -EINVAL
&& params
->conf
.peer_link_timeout
== 0) {
8474 wpa_printf(MSG_DEBUG
,
8475 "nl80211: Mesh join retry for peer_link_timeout");
8477 * Old kernel does not support setting
8478 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
8479 * into future from peer_link_timeout.
8481 params
->conf
.peer_link_timeout
= timeout
+ 60;
8482 ret
= nl80211_join_mesh(priv
, params
);
8485 params
->conf
.peer_link_timeout
= timeout
;
8490 static int wpa_driver_nl80211_leave_mesh(void *priv
)
8492 struct i802_bss
*bss
= priv
;
8493 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8497 wpa_printf(MSG_DEBUG
, "nl80211: mesh leave (ifindex=%d)", drv
->ifindex
);
8498 msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_LEAVE_MESH
);
8499 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8501 wpa_printf(MSG_DEBUG
, "nl80211: mesh leave failed: ret=%d (%s)",
8502 ret
, strerror(-ret
));
8504 wpa_printf(MSG_DEBUG
,
8505 "nl80211: mesh leave request send successfully");
8508 if (wpa_driver_nl80211_set_mode(drv
->first_bss
,
8509 NL80211_IFTYPE_STATION
)) {
8510 wpa_printf(MSG_INFO
,
8511 "nl80211: Failed to set interface into station mode");
8516 #endif /* CONFIG_MESH */
8519 static int wpa_driver_br_add_ip_neigh(void *priv
, u8 version
,
8520 const u8
*ipaddr
, int prefixlen
,
8523 #ifdef CONFIG_LIBNL3_ROUTE
8524 struct i802_bss
*bss
= priv
;
8525 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8526 struct rtnl_neigh
*rn
;
8527 struct nl_addr
*nl_ipaddr
= NULL
;
8528 struct nl_addr
*nl_lladdr
= NULL
;
8529 int family
, addrsize
;
8532 if (!ipaddr
|| prefixlen
== 0 || !addr
)
8535 if (bss
->br_ifindex
== 0) {
8536 wpa_printf(MSG_DEBUG
,
8537 "nl80211: bridge must be set before adding an ip neigh to it");
8541 if (!drv
->rtnl_sk
) {
8542 wpa_printf(MSG_DEBUG
,
8543 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8550 } else if (version
== 6) {
8557 rn
= rtnl_neigh_alloc();
8561 /* set the destination ip address for neigh */
8562 nl_ipaddr
= nl_addr_build(family
, (void *) ipaddr
, addrsize
);
8563 if (nl_ipaddr
== NULL
) {
8564 wpa_printf(MSG_DEBUG
, "nl80211: nl_ipaddr build failed");
8568 nl_addr_set_prefixlen(nl_ipaddr
, prefixlen
);
8569 res
= rtnl_neigh_set_dst(rn
, nl_ipaddr
);
8571 wpa_printf(MSG_DEBUG
,
8572 "nl80211: neigh set destination addr failed");
8576 /* set the corresponding lladdr for neigh */
8577 nl_lladdr
= nl_addr_build(AF_BRIDGE
, (u8
*) addr
, ETH_ALEN
);
8578 if (nl_lladdr
== NULL
) {
8579 wpa_printf(MSG_DEBUG
, "nl80211: neigh set lladdr failed");
8583 rtnl_neigh_set_lladdr(rn
, nl_lladdr
);
8585 rtnl_neigh_set_ifindex(rn
, bss
->br_ifindex
);
8586 rtnl_neigh_set_state(rn
, NUD_PERMANENT
);
8588 res
= rtnl_neigh_add(drv
->rtnl_sk
, rn
, NLM_F_CREATE
);
8590 wpa_printf(MSG_DEBUG
,
8591 "nl80211: Adding bridge ip neigh failed: %s",
8596 nl_addr_put(nl_lladdr
);
8598 nl_addr_put(nl_ipaddr
);
8602 #else /* CONFIG_LIBNL3_ROUTE */
8604 #endif /* CONFIG_LIBNL3_ROUTE */
8608 static int wpa_driver_br_delete_ip_neigh(void *priv
, u8 version
,
8611 #ifdef CONFIG_LIBNL3_ROUTE
8612 struct i802_bss
*bss
= priv
;
8613 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8614 struct rtnl_neigh
*rn
;
8615 struct nl_addr
*nl_ipaddr
;
8616 int family
, addrsize
;
8625 } else if (version
== 6) {
8632 if (bss
->br_ifindex
== 0) {
8633 wpa_printf(MSG_DEBUG
,
8634 "nl80211: bridge must be set to delete an ip neigh");
8638 if (!drv
->rtnl_sk
) {
8639 wpa_printf(MSG_DEBUG
,
8640 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
8644 rn
= rtnl_neigh_alloc();
8648 /* set the destination ip address for neigh */
8649 nl_ipaddr
= nl_addr_build(family
, (void *) ipaddr
, addrsize
);
8650 if (nl_ipaddr
== NULL
) {
8651 wpa_printf(MSG_DEBUG
, "nl80211: nl_ipaddr build failed");
8655 res
= rtnl_neigh_set_dst(rn
, nl_ipaddr
);
8657 wpa_printf(MSG_DEBUG
,
8658 "nl80211: neigh set destination addr failed");
8662 rtnl_neigh_set_ifindex(rn
, bss
->br_ifindex
);
8664 res
= rtnl_neigh_delete(drv
->rtnl_sk
, rn
, 0);
8666 wpa_printf(MSG_DEBUG
,
8667 "nl80211: Deleting bridge ip neigh failed: %s",
8672 nl_addr_put(nl_ipaddr
);
8676 #else /* CONFIG_LIBNL3_ROUTE */
8678 #endif /* CONFIG_LIBNL3_ROUTE */
8682 static int linux_write_system_file(const char *path
, unsigned int val
)
8687 len
= os_snprintf(buf
, sizeof(buf
), "%u\n", val
);
8688 if (os_snprintf_error(sizeof(buf
), len
))
8691 fd
= open(path
, O_WRONLY
);
8695 if (write(fd
, buf
, len
) < 0) {
8696 wpa_printf(MSG_DEBUG
,
8697 "nl80211: Failed to write Linux system file: %s with the value of %d",
8708 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr
)
8711 case DRV_BR_PORT_ATTR_PROXYARP
:
8712 return "proxyarp_wifi";
8713 case DRV_BR_PORT_ATTR_HAIRPIN_MODE
:
8714 return "hairpin_mode";
8721 static int wpa_driver_br_port_set_attr(void *priv
, enum drv_br_port_attr attr
,
8724 struct i802_bss
*bss
= priv
;
8726 const char *attr_txt
;
8728 attr_txt
= drv_br_port_attr_str(attr
);
8729 if (attr_txt
== NULL
)
8732 os_snprintf(path
, sizeof(path
), "/sys/class/net/%s/brport/%s",
8733 bss
->ifname
, attr_txt
);
8735 if (linux_write_system_file(path
, val
))
8742 static const char * drv_br_net_param_str(enum drv_br_net_param param
)
8745 case DRV_BR_NET_PARAM_GARP_ACCEPT
:
8746 return "arp_accept";
8753 static int wpa_driver_br_set_net_param(void *priv
, enum drv_br_net_param param
,
8756 struct i802_bss
*bss
= priv
;
8758 const char *param_txt
;
8761 if (param
== DRV_BR_MULTICAST_SNOOPING
) {
8762 os_snprintf(path
, sizeof(path
),
8763 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
8768 param_txt
= drv_br_net_param_str(param
);
8769 if (param_txt
== NULL
)
8773 case DRV_BR_NET_PARAM_GARP_ACCEPT
:
8780 os_snprintf(path
, sizeof(path
), "/proc/sys/net/ipv%d/conf/%s/%s",
8781 ip_version
, bss
->brname
, param_txt
);
8784 if (linux_write_system_file(path
, val
))
8791 #ifdef CONFIG_DRIVER_NL80211_QCA
8793 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode
)
8796 case HOSTAPD_MODE_IEEE80211B
:
8797 return QCA_ACS_MODE_IEEE80211B
;
8798 case HOSTAPD_MODE_IEEE80211G
:
8799 return QCA_ACS_MODE_IEEE80211G
;
8800 case HOSTAPD_MODE_IEEE80211A
:
8801 return QCA_ACS_MODE_IEEE80211A
;
8802 case HOSTAPD_MODE_IEEE80211AD
:
8803 return QCA_ACS_MODE_IEEE80211AD
;
8804 case HOSTAPD_MODE_IEEE80211ANY
:
8805 return QCA_ACS_MODE_IEEE80211ANY
;
8812 static int add_acs_freq_list(struct nl_msg
*msg
, const int *freq_list
)
8819 len
= int_array_len(freq_list
);
8820 freqs
= os_malloc(sizeof(u32
) * len
);
8823 for (i
= 0; i
< len
; i
++)
8824 freqs
[i
] = freq_list
[i
];
8825 ret
= nla_put(msg
, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST
,
8826 sizeof(u32
) * len
, freqs
);
8832 static int wpa_driver_do_acs(void *priv
, struct drv_acs_params
*params
)
8834 struct i802_bss
*bss
= priv
;
8835 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8837 struct nlattr
*data
;
8841 mode
= hw_mode_to_qca_acs(params
->hw_mode
);
8845 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
8846 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
8847 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
8848 QCA_NL80211_VENDOR_SUBCMD_DO_ACS
) ||
8849 !(data
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
8850 nla_put_u8(msg
, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE
, mode
) ||
8851 (params
->ht_enabled
&&
8852 nla_put_flag(msg
, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED
)) ||
8853 (params
->ht40_enabled
&&
8854 nla_put_flag(msg
, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED
)) ||
8855 (params
->vht_enabled
&&
8856 nla_put_flag(msg
, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED
)) ||
8857 nla_put_u16(msg
, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH
,
8858 params
->ch_width
) ||
8859 (params
->ch_list_len
&&
8860 nla_put(msg
, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST
, params
->ch_list_len
,
8861 params
->ch_list
)) ||
8862 add_acs_freq_list(msg
, params
->freq_list
)) {
8866 nla_nest_end(msg
, data
);
8868 wpa_printf(MSG_DEBUG
,
8869 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d CH_LIST_LEN: %u",
8870 params
->hw_mode
, params
->ht_enabled
, params
->ht40_enabled
,
8871 params
->vht_enabled
, params
->ch_width
, params
->ch_list_len
);
8873 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8875 wpa_printf(MSG_DEBUG
,
8876 "nl80211: Failed to invoke driver ACS function: %s",
8883 static int nl80211_set_band(void *priv
, enum set_band band
)
8885 struct i802_bss
*bss
= priv
;
8886 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
8888 struct nlattr
*data
;
8890 enum qca_set_band qca_band
;
8892 if (!drv
->setband_vendor_cmd_avail
)
8896 case WPA_SETBAND_AUTO
:
8897 qca_band
= QCA_SETBAND_AUTO
;
8899 case WPA_SETBAND_5G
:
8900 qca_band
= QCA_SETBAND_5G
;
8902 case WPA_SETBAND_2G
:
8903 qca_band
= QCA_SETBAND_2G
;
8909 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
8910 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
8911 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
8912 QCA_NL80211_VENDOR_SUBCMD_SETBAND
) ||
8913 !(data
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
8914 nla_put_u32(msg
, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE
, qca_band
)) {
8918 nla_nest_end(msg
, data
);
8920 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
8922 wpa_printf(MSG_DEBUG
,
8923 "nl80211: Driver setband function failed: %s",
8930 struct nl80211_pcl
{
8932 unsigned int *freq_list
;
8935 static int preferred_freq_info_handler(struct nl_msg
*msg
, void *arg
)
8937 struct nlattr
*tb
[NL80211_ATTR_MAX
+ 1];
8938 struct genlmsghdr
*gnlh
= nlmsg_data(nlmsg_hdr(msg
));
8939 struct nl80211_pcl
*param
= arg
;
8940 struct nlattr
*nl_vend
, *attr
;
8941 enum qca_iface_type iface_type
;
8942 struct nlattr
*tb_vendor
[QCA_WLAN_VENDOR_ATTR_MAX
+ 1];
8943 unsigned int num
, max_num
;
8946 nla_parse(tb
, NL80211_ATTR_MAX
, genlmsg_attrdata(gnlh
, 0),
8947 genlmsg_attrlen(gnlh
, 0), NULL
);
8949 nl_vend
= tb
[NL80211_ATTR_VENDOR_DATA
];
8953 nla_parse(tb_vendor
, QCA_WLAN_VENDOR_ATTR_MAX
,
8954 nla_data(nl_vend
), nla_len(nl_vend
), NULL
);
8957 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE
];
8959 wpa_printf(MSG_ERROR
, "nl80211: iface_type couldn't be found");
8964 iface_type
= (enum qca_iface_type
) nla_get_u32(attr
);
8965 wpa_printf(MSG_DEBUG
, "nl80211: Driver returned iface_type=%d",
8968 attr
= tb_vendor
[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST
];
8970 wpa_printf(MSG_ERROR
,
8971 "nl80211: preferred_freq_list couldn't be found");
8977 * param->num has the maximum number of entries for which there
8978 * is room in the freq_list provided by the caller.
8980 freqs
= nla_data(attr
);
8981 max_num
= nla_len(attr
) / sizeof(u32
);
8982 if (max_num
> param
->num
)
8983 max_num
= param
->num
;
8984 for (num
= 0; num
< max_num
; num
++)
8985 param
->freq_list
[num
] = freqs
[num
];
8992 static int nl80211_get_pref_freq_list(void *priv
,
8993 enum wpa_driver_if_type if_type
,
8995 unsigned int *freq_list
)
8997 struct i802_bss
*bss
= priv
;
8998 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
9002 struct nlattr
*params
;
9003 struct nl80211_pcl param
;
9004 enum qca_iface_type iface_type
;
9006 if (!drv
->get_pref_freq_list
)
9010 case WPA_IF_STATION
:
9011 iface_type
= QCA_IFACE_TYPE_STA
;
9014 iface_type
= QCA_IFACE_TYPE_AP
;
9017 iface_type
= QCA_IFACE_TYPE_P2P_GO
;
9019 case WPA_IF_P2P_CLIENT
:
9020 iface_type
= QCA_IFACE_TYPE_P2P_CLIENT
;
9023 iface_type
= QCA_IFACE_TYPE_IBSS
;
9026 iface_type
= QCA_IFACE_TYPE_TDLS
;
9033 param
.freq_list
= freq_list
;
9035 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
9036 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, drv
->ifindex
) ||
9037 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
9038 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
9039 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST
) ||
9040 !(params
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
9042 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE
,
9044 wpa_printf(MSG_ERROR
,
9045 "%s: err in adding vendor_cmd and vendor_data",
9050 nla_nest_end(msg
, params
);
9052 os_memset(freq_list
, 0, *num
* sizeof(freq_list
[0]));
9053 ret
= send_and_recv_msgs(drv
, msg
, preferred_freq_info_handler
, ¶m
);
9055 wpa_printf(MSG_ERROR
,
9056 "%s: err in send_and_recv_msgs", __func__
);
9062 for (i
= 0; i
< *num
; i
++) {
9063 wpa_printf(MSG_DEBUG
, "nl80211: preferred_channel_list[%d]=%d",
9071 static int nl80211_set_prob_oper_freq(void *priv
, unsigned int freq
)
9073 struct i802_bss
*bss
= priv
;
9074 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
9077 struct nlattr
*params
;
9079 if (!drv
->set_prob_oper_freq
)
9082 wpa_printf(MSG_DEBUG
,
9083 "nl80211: Set P2P probable operating freq %u for ifindex %d",
9084 freq
, bss
->ifindex
);
9086 if (!(msg
= nl80211_drv_msg(drv
, 0, NL80211_CMD_VENDOR
)) ||
9087 nla_put_u32(msg
, NL80211_ATTR_VENDOR_ID
, OUI_QCA
) ||
9088 nla_put_u32(msg
, NL80211_ATTR_VENDOR_SUBCMD
,
9089 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL
) ||
9090 !(params
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
)) ||
9092 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE
,
9093 QCA_IFACE_TYPE_P2P_CLIENT
) ||
9095 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ
,
9097 wpa_printf(MSG_ERROR
,
9098 "%s: err in adding vendor_cmd and vendor_data",
9103 nla_nest_end(msg
, params
);
9105 ret
= send_and_recv_msgs(drv
, msg
, NULL
, NULL
);
9108 wpa_printf(MSG_ERROR
, "%s: err in send_and_recv_msgs",
9116 #endif /* CONFIG_DRIVER_NL80211_QCA */
9119 static int nl80211_write_to_file(const char *name
, unsigned int val
)
9124 fd
= open(name
, O_RDWR
);
9126 wpa_printf(MSG_ERROR
, "nl80211: Failed to open %s: %s",
9127 name
, strerror(errno
));
9131 len
= os_snprintf(tmp
, sizeof(tmp
), "%u\n", val
);
9132 len
= write(fd
, tmp
, len
);
9134 wpa_printf(MSG_ERROR
, "nl80211: Failed to write to %s: %s",
9135 name
, strerror(errno
));
9142 static int nl80211_configure_data_frame_filters(void *priv
, u32 filter_flags
)
9144 struct i802_bss
*bss
= priv
;
9148 wpa_printf(MSG_DEBUG
, "nl80211: Data frame filter flags=0x%x",
9151 /* Configure filtering of unicast frame encrypted using GTK */
9152 ret
= os_snprintf(path
, sizeof(path
),
9153 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
9155 if (os_snprintf_error(sizeof(path
), ret
))
9158 ret
= nl80211_write_to_file(path
,
9160 WPA_DATA_FRAME_FILTER_FLAG_GTK
));
9162 wpa_printf(MSG_ERROR
,
9163 "nl80211: Failed to set IPv4 unicast in multicast filter");
9167 os_snprintf(path
, sizeof(path
),
9168 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
9170 ret
= nl80211_write_to_file(path
,
9172 WPA_DATA_FRAME_FILTER_FLAG_GTK
));
9175 wpa_printf(MSG_ERROR
,
9176 "nl80211: Failed to set IPv6 unicast in multicast filter");
9180 /* Configure filtering of unicast frame encrypted using GTK */
9181 os_snprintf(path
, sizeof(path
),
9182 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
9184 ret
= nl80211_write_to_file(path
,
9186 WPA_DATA_FRAME_FILTER_FLAG_ARP
));
9188 wpa_printf(MSG_ERROR
,
9189 "nl80211: Failed set gratuitous ARP filter");
9193 /* Configure filtering of IPv6 NA frames */
9194 os_snprintf(path
, sizeof(path
),
9195 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
9197 ret
= nl80211_write_to_file(path
,
9199 WPA_DATA_FRAME_FILTER_FLAG_NA
));
9201 wpa_printf(MSG_ERROR
,
9202 "nl80211: Failed to set unsolicited NA filter");
9210 static int nl80211_get_ext_capab(void *priv
, enum wpa_driver_if_type type
,
9211 const u8
**ext_capa
, const u8
**ext_capa_mask
,
9212 unsigned int *ext_capa_len
)
9214 struct i802_bss
*bss
= priv
;
9215 struct wpa_driver_nl80211_data
*drv
= bss
->drv
;
9216 enum nl80211_iftype nlmode
;
9219 if (!ext_capa
|| !ext_capa_mask
|| !ext_capa_len
)
9222 nlmode
= wpa_driver_nl80211_if_type(type
);
9224 /* By default, use the per-radio values */
9225 *ext_capa
= drv
->extended_capa
;
9226 *ext_capa_mask
= drv
->extended_capa_mask
;
9227 *ext_capa_len
= drv
->extended_capa_len
;
9229 /* Replace the default value if a per-interface type value exists */
9230 for (i
= 0; i
< drv
->num_iface_ext_capa
; i
++) {
9231 if (nlmode
== drv
->iface_ext_capa
[i
].iftype
) {
9232 *ext_capa
= drv
->iface_ext_capa
[i
].ext_capa
;
9233 *ext_capa_mask
= drv
->iface_ext_capa
[i
].ext_capa_mask
;
9234 *ext_capa_len
= drv
->iface_ext_capa
[i
].ext_capa_len
;
9243 const struct wpa_driver_ops wpa_driver_nl80211_ops
= {
9245 .desc
= "Linux nl80211/cfg80211",
9246 .get_bssid
= wpa_driver_nl80211_get_bssid
,
9247 .get_ssid
= wpa_driver_nl80211_get_ssid
,
9248 .set_key
= driver_nl80211_set_key
,
9249 .scan2
= driver_nl80211_scan2
,
9250 .sched_scan
= wpa_driver_nl80211_sched_scan
,
9251 .stop_sched_scan
= wpa_driver_nl80211_stop_sched_scan
,
9252 .get_scan_results2
= wpa_driver_nl80211_get_scan_results
,
9253 .abort_scan
= wpa_driver_nl80211_abort_scan
,
9254 .deauthenticate
= driver_nl80211_deauthenticate
,
9255 .authenticate
= driver_nl80211_authenticate
,
9256 .associate
= wpa_driver_nl80211_associate
,
9257 .global_init
= nl80211_global_init
,
9258 .global_deinit
= nl80211_global_deinit
,
9259 .init2
= wpa_driver_nl80211_init
,
9260 .deinit
= driver_nl80211_deinit
,
9261 .get_capa
= wpa_driver_nl80211_get_capa
,
9262 .set_operstate
= wpa_driver_nl80211_set_operstate
,
9263 .set_supp_port
= wpa_driver_nl80211_set_supp_port
,
9264 .set_country
= wpa_driver_nl80211_set_country
,
9265 .get_country
= wpa_driver_nl80211_get_country
,
9266 .set_ap
= wpa_driver_nl80211_set_ap
,
9267 .set_acl
= wpa_driver_nl80211_set_acl
,
9268 .if_add
= wpa_driver_nl80211_if_add
,
9269 .if_remove
= driver_nl80211_if_remove
,
9270 .send_mlme
= driver_nl80211_send_mlme
,
9271 .get_hw_feature_data
= nl80211_get_hw_feature_data
,
9272 .sta_add
= wpa_driver_nl80211_sta_add
,
9273 .sta_remove
= driver_nl80211_sta_remove
,
9274 .hapd_send_eapol
= wpa_driver_nl80211_hapd_send_eapol
,
9275 .sta_set_flags
= wpa_driver_nl80211_sta_set_flags
,
9276 .hapd_init
= i802_init
,
9277 .hapd_deinit
= i802_deinit
,
9278 .set_wds_sta
= i802_set_wds_sta
,
9279 .get_seqnum
= i802_get_seqnum
,
9280 .flush
= i802_flush
,
9281 .get_inact_sec
= i802_get_inact_sec
,
9282 .sta_clear_stats
= i802_sta_clear_stats
,
9283 .set_rts
= i802_set_rts
,
9284 .set_frag
= i802_set_frag
,
9285 .set_tx_queue_params
= i802_set_tx_queue_params
,
9286 .set_sta_vlan
= driver_nl80211_set_sta_vlan
,
9287 .sta_deauth
= i802_sta_deauth
,
9288 .sta_disassoc
= i802_sta_disassoc
,
9289 .read_sta_data
= driver_nl80211_read_sta_data
,
9290 .set_freq
= i802_set_freq
,
9291 .send_action
= driver_nl80211_send_action
,
9292 .send_action_cancel_wait
= wpa_driver_nl80211_send_action_cancel_wait
,
9293 .remain_on_channel
= wpa_driver_nl80211_remain_on_channel
,
9294 .cancel_remain_on_channel
=
9295 wpa_driver_nl80211_cancel_remain_on_channel
,
9296 .probe_req_report
= driver_nl80211_probe_req_report
,
9297 .deinit_ap
= wpa_driver_nl80211_deinit_ap
,
9298 .deinit_p2p_cli
= wpa_driver_nl80211_deinit_p2p_cli
,
9299 .resume
= wpa_driver_nl80211_resume
,
9300 .signal_monitor
= nl80211_signal_monitor
,
9301 .signal_poll
= nl80211_signal_poll
,
9302 .send_frame
= nl80211_send_frame
,
9303 .set_param
= nl80211_set_param
,
9304 .get_radio_name
= nl80211_get_radio_name
,
9305 .add_pmkid
= nl80211_add_pmkid
,
9306 .remove_pmkid
= nl80211_remove_pmkid
,
9307 .flush_pmkid
= nl80211_flush_pmkid
,
9308 .set_rekey_info
= nl80211_set_rekey_info
,
9309 .poll_client
= nl80211_poll_client
,
9310 .set_p2p_powersave
= nl80211_set_p2p_powersave
,
9311 .start_dfs_cac
= nl80211_start_radar_detection
,
9312 .stop_ap
= wpa_driver_nl80211_stop_ap
,
9314 .send_tdls_mgmt
= nl80211_send_tdls_mgmt
,
9315 .tdls_oper
= nl80211_tdls_oper
,
9316 .tdls_enable_channel_switch
= nl80211_tdls_enable_channel_switch
,
9317 .tdls_disable_channel_switch
= nl80211_tdls_disable_channel_switch
,
9318 #endif /* CONFIG_TDLS */
9319 .update_ft_ies
= wpa_driver_nl80211_update_ft_ies
,
9320 .get_mac_addr
= wpa_driver_nl80211_get_macaddr
,
9321 .get_survey
= wpa_driver_nl80211_get_survey
,
9322 .status
= wpa_driver_nl80211_status
,
9323 .switch_channel
= nl80211_switch_channel
,
9325 .set_noa
= wpa_driver_set_p2p_noa
,
9326 .get_noa
= wpa_driver_get_p2p_noa
,
9327 .set_ap_wps_ie
= wpa_driver_set_ap_wps_p2p_ie
,
9328 #endif /* ANDROID_P2P */
9330 #ifndef ANDROID_LIB_STUB
9331 .driver_cmd
= wpa_driver_nl80211_driver_cmd
,
9332 #endif /* !ANDROID_LIB_STUB */
9333 #endif /* ANDROID */
9334 .vendor_cmd
= nl80211_vendor_cmd
,
9335 .set_qos_map
= nl80211_set_qos_map
,
9336 .set_wowlan
= nl80211_set_wowlan
,
9337 #ifdef CONFIG_DRIVER_NL80211_QCA
9338 .roaming
= nl80211_roaming
,
9339 #endif /* CONFIG_DRIVER_NL80211_QCA */
9340 .set_mac_addr
= nl80211_set_mac_addr
,
9342 .init_mesh
= wpa_driver_nl80211_init_mesh
,
9343 .join_mesh
= wpa_driver_nl80211_join_mesh
,
9344 .leave_mesh
= wpa_driver_nl80211_leave_mesh
,
9345 #endif /* CONFIG_MESH */
9346 .br_add_ip_neigh
= wpa_driver_br_add_ip_neigh
,
9347 .br_delete_ip_neigh
= wpa_driver_br_delete_ip_neigh
,
9348 .br_port_set_attr
= wpa_driver_br_port_set_attr
,
9349 .br_set_net_param
= wpa_driver_br_set_net_param
,
9350 .add_tx_ts
= nl80211_add_ts
,
9351 .del_tx_ts
= nl80211_del_ts
,
9352 .get_ifindex
= nl80211_get_ifindex
,
9353 #ifdef CONFIG_DRIVER_NL80211_QCA
9354 .do_acs
= wpa_driver_do_acs
,
9355 .set_band
= nl80211_set_band
,
9356 .get_pref_freq_list
= nl80211_get_pref_freq_list
,
9357 .set_prob_oper_freq
= nl80211_set_prob_oper_freq
,
9358 #endif /* CONFIG_DRIVER_NL80211_QCA */
9359 .configure_data_frame_filters
= nl80211_configure_data_frame_filters
,
9360 .get_ext_capab
= nl80211_get_ext_capab
,