1 /*
2 * Wired Ethernet driver interface
3 * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2004, Gunter Burchardt <tira@isx.de>
5 *
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
8 */
9
10 #include "includes.h"
11 #include <sys/ioctl.h>
12 #include <net/if.h>
13 #ifdef __linux__
14 #include <netpacket/packet.h>
15 #include <net/if_arp.h>
16 #include <net/if.h>
17 #endif /* __linux__ */
18 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
19 #include <net/if_dl.h>
20 #include <net/if_media.h>
21 #endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) */
22 #ifdef __sun__
23 #include <sys/sockio.h>
24 #endif /* __sun__ */
25
26 #include "common.h"
27 #include "eloop.h"
28 #include "driver.h"
29
30 #ifdef _MSC_VER
31 #pragma pack(push, 1)
32 #endif /* _MSC_VER */
33
34 struct ieee8023_hdr {
35 u8 dest[6];
36 u8 src[6];
37 u16 ethertype;
38 } STRUCT_PACKED;
39
40 #ifdef _MSC_VER
41 #pragma pack(pop)
42 #endif /* _MSC_VER */
43
44 static const u8 pae_group_addr[ETH_ALEN] =
45 { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
46
47
48 struct wpa_driver_wired_data {
49 char ifname[IFNAMSIZ + 1];
50 void *ctx;
51
52 int sock; /* raw packet socket for driver access */
53 int dhcp_sock; /* socket for dhcp packets */
54 int use_pae_group_addr;
55
56 int pf_sock;
57 int membership, multi, iff_allmulti, iff_up;
58 };
59
60
61 /* TODO: detecting new devices should eventually be changed from using DHCP
62 * snooping to trigger on any packet from a new layer 2 MAC address, e.g.,
63 * based on ebtables, etc. */
64
65 struct dhcp_message {
66 u_int8_t op;
67 u_int8_t htype;
68 u_int8_t hlen;
69 u_int8_t hops;
70 u_int32_t xid;
71 u_int16_t secs;
72 u_int16_t flags;
73 u_int32_t ciaddr;
74 u_int32_t yiaddr;
75 u_int32_t siaddr;
76 u_int32_t giaddr;
77 u_int8_t chaddr[16];
78 u_int8_t sname[64];
79 u_int8_t file[128];
80 u_int32_t cookie;
81 u_int8_t options[308]; /* 312 - cookie */
82 };
83
84
wired_multicast_membership(int sock,int ifindex,const u8 * addr,int add)85 static int wired_multicast_membership(int sock, int ifindex,
86 const u8 *addr, int add)
87 {
88 #ifdef __linux__
89 struct packet_mreq mreq;
90
91 if (sock < 0)
92 return -1;
93
94 os_memset(&mreq, 0, sizeof(mreq));
95 mreq.mr_ifindex = ifindex;
96 mreq.mr_type = PACKET_MR_MULTICAST;
97 mreq.mr_alen = ETH_ALEN;
98 os_memcpy(mreq.mr_address, addr, ETH_ALEN);
99
100 if (setsockopt(sock, SOL_PACKET,
101 add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
102 &mreq, sizeof(mreq)) < 0) {
103 wpa_printf(MSG_ERROR, "setsockopt: %s", strerror(errno));
104 return -1;
105 }
106 return 0;
107 #else /* __linux__ */
108 return -1;
109 #endif /* __linux__ */
110 }
111
112
113 #ifdef __linux__
handle_data(void * ctx,unsigned char * buf,size_t len)114 static void handle_data(void *ctx, unsigned char *buf, size_t len)
115 {
116 #ifdef HOSTAPD
117 struct ieee8023_hdr *hdr;
118 u8 *pos, *sa;
119 size_t left;
120 union wpa_event_data event;
121
122 /* must contain at least ieee8023_hdr 6 byte source, 6 byte dest,
123 * 2 byte ethertype */
124 if (len < 14) {
125 wpa_printf(MSG_MSGDUMP, "handle_data: too short (%lu)",
126 (unsigned long) len);
127 return;
128 }
129
130 hdr = (struct ieee8023_hdr *) buf;
131
132 switch (ntohs(hdr->ethertype)) {
133 case ETH_P_PAE:
134 wpa_printf(MSG_MSGDUMP, "Received EAPOL packet");
135 sa = hdr->src;
136 os_memset(&event, 0, sizeof(event));
137 event.new_sta.addr = sa;
138 wpa_supplicant_event(ctx, EVENT_NEW_STA, &event);
139
140 pos = (u8 *) (hdr + 1);
141 left = len - sizeof(*hdr);
142 drv_event_eapol_rx(ctx, sa, pos, left);
143 break;
144
145 default:
146 wpa_printf(MSG_DEBUG, "Unknown ethertype 0x%04x in data frame",
147 ntohs(hdr->ethertype));
148 break;
149 }
150 #endif /* HOSTAPD */
151 }
152
153
handle_read(int sock,void * eloop_ctx,void * sock_ctx)154 static void handle_read(int sock, void *eloop_ctx, void *sock_ctx)
155 {
156 int len;
157 unsigned char buf[3000];
158
159 len = recv(sock, buf, sizeof(buf), 0);
160 if (len < 0) {
161 wpa_printf(MSG_ERROR, "recv: %s", strerror(errno));
162 return;
163 }
164
165 handle_data(eloop_ctx, buf, len);
166 }
167
168
handle_dhcp(int sock,void * eloop_ctx,void * sock_ctx)169 static void handle_dhcp(int sock, void *eloop_ctx, void *sock_ctx)
170 {
171 int len;
172 unsigned char buf[3000];
173 struct dhcp_message *msg;
174 u8 *mac_address;
175 union wpa_event_data event;
176
177 len = recv(sock, buf, sizeof(buf), 0);
178 if (len < 0) {
179 wpa_printf(MSG_ERROR, "recv: %s", strerror(errno));
180 return;
181 }
182
183 /* must contain at least dhcp_message->chaddr */
184 if (len < 44) {
185 wpa_printf(MSG_MSGDUMP, "handle_dhcp: too short (%d)", len);
186 return;
187 }
188
189 msg = (struct dhcp_message *) buf;
190 mac_address = (u8 *) &(msg->chaddr);
191
192 wpa_printf(MSG_MSGDUMP, "Got DHCP broadcast packet from " MACSTR,
193 MAC2STR(mac_address));
194
195 os_memset(&event, 0, sizeof(event));
196 event.new_sta.addr = mac_address;
197 wpa_supplicant_event(eloop_ctx, EVENT_NEW_STA, &event);
198 }
199 #endif /* __linux__ */
200
201
wired_init_sockets(struct wpa_driver_wired_data * drv,u8 * own_addr)202 static int wired_init_sockets(struct wpa_driver_wired_data *drv, u8 *own_addr)
203 {
204 #ifdef __linux__
205 struct ifreq ifr;
206 struct sockaddr_ll addr;
207 struct sockaddr_in addr2;
208 int n = 1;
209
210 drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_PAE));
211 if (drv->sock < 0) {
212 wpa_printf(MSG_ERROR, "socket[PF_PACKET,SOCK_RAW]: %s",
213 strerror(errno));
214 return -1;
215 }
216
217 if (eloop_register_read_sock(drv->sock, handle_read, drv->ctx, NULL)) {
218 wpa_printf(MSG_INFO, "Could not register read socket");
219 return -1;
220 }
221
222 os_memset(&ifr, 0, sizeof(ifr));
223 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
224 if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
225 wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
226 strerror(errno));
227 return -1;
228 }
229
230 os_memset(&addr, 0, sizeof(addr));
231 addr.sll_family = AF_PACKET;
232 addr.sll_ifindex = ifr.ifr_ifindex;
233 wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
234 addr.sll_ifindex);
235
236 if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
237 wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
238 return -1;
239 }
240
241 /* filter multicast address */
242 if (wired_multicast_membership(drv->sock, ifr.ifr_ifindex,
243 pae_group_addr, 1) < 0) {
244 wpa_printf(MSG_ERROR, "wired: Failed to add multicast group "
245 "membership");
246 return -1;
247 }
248
249 os_memset(&ifr, 0, sizeof(ifr));
250 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
251 if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
252 wpa_printf(MSG_ERROR, "ioctl(SIOCGIFHWADDR): %s",
253 strerror(errno));
254 return -1;
255 }
256
257 if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
258 wpa_printf(MSG_INFO, "Invalid HW-addr family 0x%04x",
259 ifr.ifr_hwaddr.sa_family);
260 return -1;
261 }
262 os_memcpy(own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
263
264 /* setup dhcp listen socket for sta detection */
265 if ((drv->dhcp_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
266 wpa_printf(MSG_ERROR, "socket call failed for dhcp: %s",
267 strerror(errno));
268 return -1;
269 }
270
271 if (eloop_register_read_sock(drv->dhcp_sock, handle_dhcp, drv->ctx,
272 NULL)) {
273 wpa_printf(MSG_INFO, "Could not register read socket");
274 return -1;
275 }
276
277 os_memset(&addr2, 0, sizeof(addr2));
278 addr2.sin_family = AF_INET;
279 addr2.sin_port = htons(67);
280 addr2.sin_addr.s_addr = INADDR_ANY;
281
282 if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_REUSEADDR, (char *) &n,
283 sizeof(n)) == -1) {
284 wpa_printf(MSG_ERROR, "setsockopt[SOL_SOCKET,SO_REUSEADDR]: %s",
285 strerror(errno));
286 return -1;
287 }
288 if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_BROADCAST, (char *) &n,
289 sizeof(n)) == -1) {
290 wpa_printf(MSG_ERROR, "setsockopt[SOL_SOCKET,SO_BROADCAST]: %s",
291 strerror(errno));
292 return -1;
293 }
294
295 os_memset(&ifr, 0, sizeof(ifr));
296 os_strlcpy(ifr.ifr_ifrn.ifrn_name, drv->ifname, IFNAMSIZ);
297 if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_BINDTODEVICE,
298 (char *) &ifr, sizeof(ifr)) < 0) {
299 wpa_printf(MSG_ERROR,
300 "setsockopt[SOL_SOCKET,SO_BINDTODEVICE]: %s",
301 strerror(errno));
302 return -1;
303 }
304
305 if (bind(drv->dhcp_sock, (struct sockaddr *) &addr2,
306 sizeof(struct sockaddr)) == -1) {
307 wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
308 return -1;
309 }
310
311 return 0;
312 #else /* __linux__ */
313 return -1;
314 #endif /* __linux__ */
315 }
316
317
wired_send_eapol(void * priv,const u8 * addr,const u8 * data,size_t data_len,int encrypt,const u8 * own_addr,u32 flags)318 static int wired_send_eapol(void *priv, const u8 *addr,
319 const u8 *data, size_t data_len, int encrypt,
320 const u8 *own_addr, u32 flags)
321 {
322 struct wpa_driver_wired_data *drv = priv;
323 struct ieee8023_hdr *hdr;
324 size_t len;
325 u8 *pos;
326 int res;
327
328 len = sizeof(*hdr) + data_len;
329 hdr = os_zalloc(len);
330 if (hdr == NULL) {
331 wpa_printf(MSG_INFO,
332 "malloc() failed for wired_send_eapol(len=%lu)",
333 (unsigned long) len);
334 return -1;
335 }
336
337 os_memcpy(hdr->dest, drv->use_pae_group_addr ? pae_group_addr : addr,
338 ETH_ALEN);
339 os_memcpy(hdr->src, own_addr, ETH_ALEN);
340 hdr->ethertype = htons(ETH_P_PAE);
341
342 pos = (u8 *) (hdr + 1);
343 os_memcpy(pos, data, data_len);
344
345 res = send(drv->sock, (u8 *) hdr, len, 0);
346 os_free(hdr);
347
348 if (res < 0) {
349 wpa_printf(MSG_ERROR,
350 "wired_send_eapol - packet len: %lu - failed: send: %s",
351 (unsigned long) len, strerror(errno));
352 }
353
354 return res;
355 }
356
357
wired_driver_hapd_init(struct hostapd_data * hapd,struct wpa_init_params * params)358 static void * wired_driver_hapd_init(struct hostapd_data *hapd,
359 struct wpa_init_params *params)
360 {
361 struct wpa_driver_wired_data *drv;
362
363 drv = os_zalloc(sizeof(struct wpa_driver_wired_data));
364 if (drv == NULL) {
365 wpa_printf(MSG_INFO,
366 "Could not allocate memory for wired driver data");
367 return NULL;
368 }
369
370 drv->ctx = hapd;
371 os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname));
372 drv->use_pae_group_addr = params->use_pae_group_addr;
373
374 if (wired_init_sockets(drv, params->own_addr)) {
375 os_free(drv);
376 return NULL;
377 }
378
379 return drv;
380 }
381
382
wired_driver_hapd_deinit(void * priv)383 static void wired_driver_hapd_deinit(void *priv)
384 {
385 struct wpa_driver_wired_data *drv = priv;
386
387 if (drv->sock >= 0) {
388 eloop_unregister_read_sock(drv->sock);
389 close(drv->sock);
390 }
391
392 if (drv->dhcp_sock >= 0) {
393 eloop_unregister_read_sock(drv->dhcp_sock);
394 close(drv->dhcp_sock);
395 }
396
397 os_free(drv);
398 }
399
400
wpa_driver_wired_get_ssid(void * priv,u8 * ssid)401 static int wpa_driver_wired_get_ssid(void *priv, u8 *ssid)
402 {
403 ssid[0] = 0;
404 return 0;
405 }
406
407
wpa_driver_wired_get_bssid(void * priv,u8 * bssid)408 static int wpa_driver_wired_get_bssid(void *priv, u8 *bssid)
409 {
410 /* Report PAE group address as the "BSSID" for wired connection. */
411 os_memcpy(bssid, pae_group_addr, ETH_ALEN);
412 return 0;
413 }
414
415
wpa_driver_wired_get_capa(void * priv,struct wpa_driver_capa * capa)416 static int wpa_driver_wired_get_capa(void *priv, struct wpa_driver_capa *capa)
417 {
418 os_memset(capa, 0, sizeof(*capa));
419 capa->flags = WPA_DRIVER_FLAGS_WIRED;
420 return 0;
421 }
422
423
wpa_driver_wired_get_ifflags(const char * ifname,int * flags)424 static int wpa_driver_wired_get_ifflags(const char *ifname, int *flags)
425 {
426 struct ifreq ifr;
427 int s;
428
429 s = socket(PF_INET, SOCK_DGRAM, 0);
430 if (s < 0) {
431 wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
432 return -1;
433 }
434
435 os_memset(&ifr, 0, sizeof(ifr));
436 os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
437 if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
438 wpa_printf(MSG_ERROR, "ioctl[SIOCGIFFLAGS]: %s",
439 strerror(errno));
440 close(s);
441 return -1;
442 }
443 close(s);
444 *flags = ifr.ifr_flags & 0xffff;
445 return 0;
446 }
447
448
wpa_driver_wired_set_ifflags(const char * ifname,int flags)449 static int wpa_driver_wired_set_ifflags(const char *ifname, int flags)
450 {
451 struct ifreq ifr;
452 int s;
453
454 s = socket(PF_INET, SOCK_DGRAM, 0);
455 if (s < 0) {
456 wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
457 return -1;
458 }
459
460 os_memset(&ifr, 0, sizeof(ifr));
461 os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
462 ifr.ifr_flags = flags & 0xffff;
463 if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
464 wpa_printf(MSG_ERROR, "ioctl[SIOCSIFFLAGS]: %s",
465 strerror(errno));
466 close(s);
467 return -1;
468 }
469 close(s);
470 return 0;
471 }
472
473
474 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
wpa_driver_wired_get_ifstatus(const char * ifname,int * status)475 static int wpa_driver_wired_get_ifstatus(const char *ifname, int *status)
476 {
477 struct ifmediareq ifmr;
478 int s;
479
480 s = socket(PF_INET, SOCK_DGRAM, 0);
481 if (s < 0) {
482 wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
483 return -1;
484 }
485
486 os_memset(&ifmr, 0, sizeof(ifmr));
487 os_strlcpy(ifmr.ifm_name, ifname, IFNAMSIZ);
488 if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0) {
489 wpa_printf(MSG_ERROR, "ioctl[SIOCGIFMEDIA]: %s",
490 strerror(errno));
491 close(s);
492 return -1;
493 }
494 close(s);
495 *status = (ifmr.ifm_status & (IFM_ACTIVE | IFM_AVALID)) ==
496 (IFM_ACTIVE | IFM_AVALID);
497
498 return 0;
499 }
500 #endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
501
502
wpa_driver_wired_multi(const char * ifname,const u8 * addr,int add)503 static int wpa_driver_wired_multi(const char *ifname, const u8 *addr, int add)
504 {
505 struct ifreq ifr;
506 int s;
507
508 #ifdef __sun__
509 return -1;
510 #endif /* __sun__ */
511
512 s = socket(PF_INET, SOCK_DGRAM, 0);
513 if (s < 0) {
514 wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
515 return -1;
516 }
517
518 os_memset(&ifr, 0, sizeof(ifr));
519 os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
520 #ifdef __linux__
521 ifr.ifr_hwaddr.sa_family = AF_UNSPEC;
522 os_memcpy(ifr.ifr_hwaddr.sa_data, addr, ETH_ALEN);
523 #endif /* __linux__ */
524 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
525 {
526 struct sockaddr_dl *dlp;
527 dlp = (struct sockaddr_dl *) &ifr.ifr_addr;
528 dlp->sdl_len = sizeof(struct sockaddr_dl);
529 dlp->sdl_family = AF_LINK;
530 dlp->sdl_index = 0;
531 dlp->sdl_nlen = 0;
532 dlp->sdl_alen = ETH_ALEN;
533 dlp->sdl_slen = 0;
534 os_memcpy(LLADDR(dlp), addr, ETH_ALEN);
535 }
536 #endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
537 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
538 {
539 struct sockaddr *sap;
540 sap = (struct sockaddr *) &ifr.ifr_addr;
541 sap->sa_len = sizeof(struct sockaddr);
542 sap->sa_family = AF_UNSPEC;
543 os_memcpy(sap->sa_data, addr, ETH_ALEN);
544 }
545 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) */
546
547 if (ioctl(s, add ? SIOCADDMULTI : SIOCDELMULTI, (caddr_t) &ifr) < 0) {
548 wpa_printf(MSG_ERROR, "ioctl[SIOC{ADD/DEL}MULTI]: %s",
549 strerror(errno));
550 close(s);
551 return -1;
552 }
553 close(s);
554 return 0;
555 }
556
557
wpa_driver_wired_init(void * ctx,const char * ifname)558 static void * wpa_driver_wired_init(void *ctx, const char *ifname)
559 {
560 struct wpa_driver_wired_data *drv;
561 int flags;
562
563 drv = os_zalloc(sizeof(*drv));
564 if (drv == NULL)
565 return NULL;
566 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
567 drv->ctx = ctx;
568
569 #ifdef __linux__
570 drv->pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
571 if (drv->pf_sock < 0)
572 wpa_printf(MSG_ERROR, "socket(PF_PACKET): %s", strerror(errno));
573 #else /* __linux__ */
574 drv->pf_sock = -1;
575 #endif /* __linux__ */
576
577 if (wpa_driver_wired_get_ifflags(ifname, &flags) == 0 &&
578 !(flags & IFF_UP) &&
579 wpa_driver_wired_set_ifflags(ifname, flags | IFF_UP) == 0) {
580 drv->iff_up = 1;
581 }
582
583 if (wired_multicast_membership(drv->pf_sock,
584 if_nametoindex(drv->ifname),
585 pae_group_addr, 1) == 0) {
586 wpa_printf(MSG_DEBUG, "%s: Added multicast membership with "
587 "packet socket", __func__);
588 drv->membership = 1;
589 } else if (wpa_driver_wired_multi(ifname, pae_group_addr, 1) == 0) {
590 wpa_printf(MSG_DEBUG, "%s: Added multicast membership with "
591 "SIOCADDMULTI", __func__);
592 drv->multi = 1;
593 } else if (wpa_driver_wired_get_ifflags(ifname, &flags) < 0) {
594 wpa_printf(MSG_INFO, "%s: Could not get interface "
595 "flags", __func__);
596 os_free(drv);
597 return NULL;
598 } else if (flags & IFF_ALLMULTI) {
599 wpa_printf(MSG_DEBUG, "%s: Interface is already configured "
600 "for multicast", __func__);
601 } else if (wpa_driver_wired_set_ifflags(ifname,
602 flags | IFF_ALLMULTI) < 0) {
603 wpa_printf(MSG_INFO, "%s: Failed to enable allmulti",
604 __func__);
605 os_free(drv);
606 return NULL;
607 } else {
608 wpa_printf(MSG_DEBUG, "%s: Enabled allmulti mode",
609 __func__);
610 drv->iff_allmulti = 1;
611 }
612 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
613 {
614 int status;
615 wpa_printf(MSG_DEBUG, "%s: waiting for link to become active",
616 __func__);
617 while (wpa_driver_wired_get_ifstatus(ifname, &status) == 0 &&
618 status == 0)
619 sleep(1);
620 }
621 #endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
622
623 return drv;
624 }
625
626
wpa_driver_wired_deinit(void * priv)627 static void wpa_driver_wired_deinit(void *priv)
628 {
629 struct wpa_driver_wired_data *drv = priv;
630 int flags;
631
632 if (drv->membership &&
633 wired_multicast_membership(drv->pf_sock,
634 if_nametoindex(drv->ifname),
635 pae_group_addr, 0) < 0) {
636 wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE multicast "
637 "group (PACKET)", __func__);
638 }
639
640 if (drv->multi &&
641 wpa_driver_wired_multi(drv->ifname, pae_group_addr, 0) < 0) {
642 wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE multicast "
643 "group (SIOCDELMULTI)", __func__);
644 }
645
646 if (drv->iff_allmulti &&
647 (wpa_driver_wired_get_ifflags(drv->ifname, &flags) < 0 ||
648 wpa_driver_wired_set_ifflags(drv->ifname,
649 flags & ~IFF_ALLMULTI) < 0)) {
650 wpa_printf(MSG_DEBUG, "%s: Failed to disable allmulti mode",
651 __func__);
652 }
653
654 if (drv->iff_up &&
655 wpa_driver_wired_get_ifflags(drv->ifname, &flags) == 0 &&
656 (flags & IFF_UP) &&
657 wpa_driver_wired_set_ifflags(drv->ifname, flags & ~IFF_UP) < 0) {
658 wpa_printf(MSG_DEBUG, "%s: Failed to set the interface down",
659 __func__);
660 }
661
662 if (drv->pf_sock != -1)
663 close(drv->pf_sock);
664
665 os_free(drv);
666 }
667
668
669 const struct wpa_driver_ops wpa_driver_wired_ops = {
670 .name = "wired",
671 .desc = "Wired Ethernet driver",
672 .hapd_init = wired_driver_hapd_init,
673 .hapd_deinit = wired_driver_hapd_deinit,
674 .hapd_send_eapol = wired_send_eapol,
675 .get_ssid = wpa_driver_wired_get_ssid,
676 .get_bssid = wpa_driver_wired_get_bssid,
677 .get_capa = wpa_driver_wired_get_capa,
678 .init = wpa_driver_wired_init,
679 .deinit = wpa_driver_wired_deinit,
680 };
681