1 /*
2 * hostapd / Driver interaction with Atheros driver
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
4 * Copyright (c) 2004, Video54 Technologies
5 * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
6 * Copyright (c) 2009, Atheros Communications
7 *
8 * This software may be distributed under the terms of the BSD license.
9 * See README for more details.
10 */
11
12 #include "includes.h"
13 #include <net/if.h>
14 #include <sys/ioctl.h>
15
16 #include "common.h"
17 #include "eloop.h"
18 #include "common/ieee802_11_defs.h"
19 #include "l2_packet/l2_packet.h"
20
21 #include "common.h"
22 #ifndef _BYTE_ORDER
23 #ifdef WORDS_BIGENDIAN
24 #define _BYTE_ORDER _BIG_ENDIAN
25 #else
26 #define _BYTE_ORDER _LITTLE_ENDIAN
27 #endif
28 #endif /* _BYTE_ORDER */
29
30 /*
31 * Note, the ATH_WPS_IE setting must match with the driver build.. If the
32 * driver does not include this, the IEEE80211_IOCTL_GETWPAIE ioctl will fail.
33 */
34 #define ATH_WPS_IE
35
36 #include "ieee80211_external.h"
37
38 /* Avoid conflicting definition from the driver header files with
39 * common/wpa_common.h */
40 #undef WPA_OUI_TYPE
41
42
43 #ifdef CONFIG_WPS
44 #include <netpacket/packet.h>
45 #endif /* CONFIG_WPS */
46
47 #ifndef ETH_P_80211_RAW
48 #define ETH_P_80211_RAW 0x0019
49 #endif
50
51 #include "linux_wext.h"
52
53 #include "driver.h"
54 #include "eloop.h"
55 #include "priv_netlink.h"
56 #include "l2_packet/l2_packet.h"
57 #include "common/ieee802_11_defs.h"
58 #include "netlink.h"
59 #include "linux_ioctl.h"
60
61
62 struct atheros_driver_data {
63 struct hostapd_data *hapd; /* back pointer */
64
65 char iface[IFNAMSIZ + 1];
66 int ifindex;
67 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
68 struct l2_packet_data *sock_recv; /* raw packet recv socket */
69 int ioctl_sock; /* socket for ioctl() use */
70 struct netlink_data *netlink;
71 int we_version;
72 int fils_en; /* FILS enable/disable in driver */
73 u8 acct_mac[ETH_ALEN];
74 struct hostap_sta_driver_data acct_data;
75
76 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
77 struct wpabuf *wpa_ie;
78 struct wpabuf *wps_beacon_ie;
79 struct wpabuf *wps_probe_resp_ie;
80 u8 own_addr[ETH_ALEN];
81 };
82
83 static int atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
84 u16 reason_code, int link_id);
85 static int atheros_set_privacy(void *priv, int enabled);
86
athr_get_ioctl_name(int op)87 static const char * athr_get_ioctl_name(int op)
88 {
89 switch (op) {
90 case IEEE80211_IOCTL_SETPARAM:
91 return "SETPARAM";
92 case IEEE80211_IOCTL_GETPARAM:
93 return "GETPARAM";
94 case IEEE80211_IOCTL_SETKEY:
95 return "SETKEY";
96 case IEEE80211_IOCTL_SETWMMPARAMS:
97 return "SETWMMPARAMS";
98 case IEEE80211_IOCTL_DELKEY:
99 return "DELKEY";
100 case IEEE80211_IOCTL_GETWMMPARAMS:
101 return "GETWMMPARAMS";
102 case IEEE80211_IOCTL_SETMLME:
103 return "SETMLME";
104 case IEEE80211_IOCTL_GETCHANINFO:
105 return "GETCHANINFO";
106 case IEEE80211_IOCTL_SETOPTIE:
107 return "SETOPTIE";
108 case IEEE80211_IOCTL_GETOPTIE:
109 return "GETOPTIE";
110 case IEEE80211_IOCTL_ADDMAC:
111 return "ADDMAC";
112 case IEEE80211_IOCTL_DELMAC:
113 return "DELMAC";
114 case IEEE80211_IOCTL_GETCHANLIST:
115 return "GETCHANLIST";
116 case IEEE80211_IOCTL_SETCHANLIST:
117 return "SETCHANLIST";
118 case IEEE80211_IOCTL_KICKMAC:
119 return "KICKMAC";
120 case IEEE80211_IOCTL_CHANSWITCH:
121 return "CHANSWITCH";
122 case IEEE80211_IOCTL_GETMODE:
123 return "GETMODE";
124 case IEEE80211_IOCTL_SETMODE:
125 return "SETMODE";
126 case IEEE80211_IOCTL_GET_APPIEBUF:
127 return "GET_APPIEBUF";
128 case IEEE80211_IOCTL_SET_APPIEBUF:
129 return "SET_APPIEBUF";
130 case IEEE80211_IOCTL_SET_ACPARAMS:
131 return "SET_ACPARAMS";
132 case IEEE80211_IOCTL_FILTERFRAME:
133 return "FILTERFRAME";
134 case IEEE80211_IOCTL_SET_RTPARAMS:
135 return "SET_RTPARAMS";
136 case IEEE80211_IOCTL_SET_MEDENYENTRY:
137 return "SET_MEDENYENTRY";
138 case IEEE80211_IOCTL_GET_MACADDR:
139 return "GET_MACADDR";
140 case IEEE80211_IOCTL_SET_HBRPARAMS:
141 return "SET_HBRPARAMS";
142 case IEEE80211_IOCTL_SET_RXTIMEOUT:
143 return "SET_RXTIMEOUT";
144 case IEEE80211_IOCTL_STA_STATS:
145 return "STA_STATS";
146 case IEEE80211_IOCTL_GETWPAIE:
147 return "GETWPAIE";
148 default:
149 return "??";
150 }
151 }
152
153
athr_get_param_name(int op)154 static const char * athr_get_param_name(int op)
155 {
156 switch (op) {
157 case IEEE80211_IOC_MCASTCIPHER:
158 return "MCASTCIPHER";
159 case IEEE80211_PARAM_MCASTKEYLEN:
160 return "MCASTKEYLEN";
161 case IEEE80211_PARAM_UCASTCIPHERS:
162 return "UCASTCIPHERS";
163 case IEEE80211_PARAM_KEYMGTALGS:
164 return "KEYMGTALGS";
165 case IEEE80211_PARAM_RSNCAPS:
166 return "RSNCAPS";
167 case IEEE80211_PARAM_WPA:
168 return "WPA";
169 case IEEE80211_PARAM_AUTHMODE:
170 return "AUTHMODE";
171 case IEEE80211_PARAM_PRIVACY:
172 return "PRIVACY";
173 case IEEE80211_PARAM_COUNTERMEASURES:
174 return "COUNTERMEASURES";
175 default:
176 return "??";
177 }
178 }
179
180
181 #ifdef CONFIG_FILS
182 static int
get80211param(struct atheros_driver_data * drv,int op,int * data)183 get80211param(struct atheros_driver_data *drv, int op, int *data)
184 {
185 struct iwreq iwr;
186
187 os_memset(&iwr, 0, sizeof(iwr));
188 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
189 iwr.u.mode = op;
190
191 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_GETPARAM, &iwr) < 0)
192 return -1;
193
194 *data = iwr.u.mode;
195 return 0;
196 }
197 #endif /* CONFIG_FILS */
198
199
200 static int
set80211priv(struct atheros_driver_data * drv,int op,void * data,int len)201 set80211priv(struct atheros_driver_data *drv, int op, void *data, int len)
202 {
203 struct iwreq iwr;
204 int do_inline = len < IFNAMSIZ;
205
206 /* Certain ioctls must use the non-inlined method */
207 if (op == IEEE80211_IOCTL_SET_APPIEBUF ||
208 op == IEEE80211_IOCTL_FILTERFRAME)
209 do_inline = 0;
210
211 os_memset(&iwr, 0, sizeof(iwr));
212 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
213 if (do_inline) {
214 /*
215 * Argument data fits inline; put it there.
216 */
217 os_memcpy(iwr.u.name, data, len);
218 } else {
219 /*
220 * Argument data too big for inline transfer; setup a
221 * parameter block instead; the kernel will transfer
222 * the data for the driver.
223 */
224 iwr.u.data.pointer = data;
225 iwr.u.data.length = len;
226 }
227
228 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
229 wpa_printf(MSG_DEBUG, "atheros: %s: %s: ioctl op=0x%x "
230 "(%s) len=%d failed: %d (%s)",
231 __func__, drv->iface, op,
232 athr_get_ioctl_name(op),
233 len, errno, strerror(errno));
234 return -1;
235 }
236 return 0;
237 }
238
239 static int
set80211param(struct atheros_driver_data * drv,int op,int arg)240 set80211param(struct atheros_driver_data *drv, int op, int arg)
241 {
242 struct iwreq iwr;
243
244 os_memset(&iwr, 0, sizeof(iwr));
245 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
246 iwr.u.mode = op;
247 os_memcpy(iwr.u.name + sizeof(__u32), &arg, sizeof(arg));
248
249 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
250 wpa_printf(MSG_INFO,
251 "%s: %s: Failed to set parameter (op %d (%s) arg %d): ioctl[IEEE80211_IOCTL_SETPARAM]: %s",
252 __func__, drv->iface, op, athr_get_param_name(op),
253 arg, strerror(errno));
254 return -1;
255 }
256 return 0;
257 }
258
259 #ifndef CONFIG_NO_STDOUT_DEBUG
260 static const char *
ether_sprintf(const u8 * addr)261 ether_sprintf(const u8 *addr)
262 {
263 static char buf[sizeof(MACSTR)];
264
265 if (addr != NULL)
266 os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
267 else
268 os_snprintf(buf, sizeof(buf), MACSTR, 0, 0, 0, 0, 0, 0);
269 return buf;
270 }
271 #endif /* CONFIG_NO_STDOUT_DEBUG */
272
273 /*
274 * Configure WPA parameters.
275 */
276 static int
atheros_configure_wpa(struct atheros_driver_data * drv,struct wpa_bss_params * params)277 atheros_configure_wpa(struct atheros_driver_data *drv,
278 struct wpa_bss_params *params)
279 {
280 int v;
281
282 switch (params->wpa_group) {
283 case WPA_CIPHER_CCMP:
284 v = IEEE80211_CIPHER_AES_CCM;
285 break;
286 #ifdef ATH_GCM_SUPPORT
287 case WPA_CIPHER_CCMP_256:
288 v = IEEE80211_CIPHER_AES_CCM_256;
289 break;
290 case WPA_CIPHER_GCMP:
291 v = IEEE80211_CIPHER_AES_GCM;
292 break;
293 case WPA_CIPHER_GCMP_256:
294 v = IEEE80211_CIPHER_AES_GCM_256;
295 break;
296 #endif /* ATH_GCM_SUPPORT */
297 case WPA_CIPHER_TKIP:
298 v = IEEE80211_CIPHER_TKIP;
299 break;
300 case WPA_CIPHER_WEP104:
301 v = IEEE80211_CIPHER_WEP;
302 break;
303 case WPA_CIPHER_WEP40:
304 v = IEEE80211_CIPHER_WEP;
305 break;
306 case WPA_CIPHER_NONE:
307 v = IEEE80211_CIPHER_NONE;
308 break;
309 default:
310 wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
311 params->wpa_group);
312 return -1;
313 }
314 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
315 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
316 wpa_printf(MSG_INFO, "Unable to set group key cipher to %u", v);
317 return -1;
318 }
319 if (v == IEEE80211_CIPHER_WEP) {
320 /* key length is done only for specific ciphers */
321 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
322 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
323 wpa_printf(MSG_INFO,
324 "Unable to set group key length to %u", v);
325 return -1;
326 }
327 }
328
329 v = 0;
330 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
331 v |= 1<<IEEE80211_CIPHER_AES_CCM;
332 #ifdef ATH_GCM_SUPPORT
333 if (params->wpa_pairwise & WPA_CIPHER_CCMP_256)
334 v |= 1<<IEEE80211_CIPHER_AES_CCM_256;
335 if (params->wpa_pairwise & WPA_CIPHER_GCMP)
336 v |= 1<<IEEE80211_CIPHER_AES_GCM;
337 if (params->wpa_pairwise & WPA_CIPHER_GCMP_256)
338 v |= 1<<IEEE80211_CIPHER_AES_GCM_256;
339 #endif /* ATH_GCM_SUPPORT */
340 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
341 v |= 1<<IEEE80211_CIPHER_TKIP;
342 if (params->wpa_pairwise & WPA_CIPHER_NONE)
343 v |= 1<<IEEE80211_CIPHER_NONE;
344 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
345 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
346 wpa_printf(MSG_INFO,
347 "Unable to set pairwise key ciphers to 0x%x", v);
348 return -1;
349 }
350
351 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
352 __func__, params->wpa_key_mgmt);
353 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
354 params->wpa_key_mgmt)) {
355 wpa_printf(MSG_INFO,
356 "Unable to set key management algorithms to 0x%x",
357 params->wpa_key_mgmt);
358 return -1;
359 }
360
361 v = 0;
362 if (params->rsn_preauth)
363 v |= BIT(0);
364 if (params->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
365 v |= BIT(7);
366 if (params->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED)
367 v |= BIT(6);
368 }
369
370 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", __func__, v);
371 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
372 wpa_printf(MSG_INFO, "Unable to set RSN capabilities to 0x%x",
373 v);
374 return -1;
375 }
376
377 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
378 if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
379 wpa_printf(MSG_INFO, "Unable to set WPA to %u", params->wpa);
380 return -1;
381 }
382 return 0;
383 }
384
385 static int
atheros_set_ieee8021x(void * priv,struct wpa_bss_params * params)386 atheros_set_ieee8021x(void *priv, struct wpa_bss_params *params)
387 {
388 struct atheros_driver_data *drv = priv;
389
390 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
391
392 if (!params->enabled) {
393 /* XXX restore state */
394 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
395 IEEE80211_AUTH_AUTO) < 0)
396 return -1;
397 /* IEEE80211_AUTH_AUTO ends up enabling Privacy; clear that */
398 return atheros_set_privacy(drv, 0);
399 }
400 if (!params->wpa && !params->ieee802_1x) {
401 wpa_printf(MSG_WARNING, "No 802.1X or WPA enabled!");
402 return -1;
403 }
404 if (params->wpa && atheros_configure_wpa(drv, params) != 0) {
405 wpa_printf(MSG_WARNING, "Error configuring WPA state!");
406 return -1;
407 }
408 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
409 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
410 wpa_printf(MSG_WARNING, "Error enabling WPA/802.1X!");
411 return -1;
412 }
413
414 return 0;
415 }
416
417 static int
atheros_set_privacy(void * priv,int enabled)418 atheros_set_privacy(void *priv, int enabled)
419 {
420 struct atheros_driver_data *drv = priv;
421
422 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
423
424 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
425 }
426
427 static int
atheros_set_sta_authorized(void * priv,const u8 * addr,int authorized)428 atheros_set_sta_authorized(void *priv, const u8 *addr, int authorized)
429 {
430 struct atheros_driver_data *drv = priv;
431 struct ieee80211req_mlme mlme;
432 int ret;
433
434 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
435 __func__, ether_sprintf(addr), authorized);
436
437 if (authorized)
438 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
439 else
440 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
441 mlme.im_reason = 0;
442 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
443 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
444 if (ret < 0) {
445 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
446 __func__, authorized ? "" : "un", MAC2STR(addr));
447 }
448
449 return ret;
450 }
451
452 static int
atheros_sta_set_flags(void * priv,const u8 * addr,unsigned int total_flags,unsigned int flags_or,unsigned int flags_and)453 atheros_sta_set_flags(void *priv, const u8 *addr,
454 unsigned int total_flags, unsigned int flags_or,
455 unsigned int flags_and)
456 {
457 /* For now, only support setting Authorized flag */
458 if (flags_or & WPA_STA_AUTHORIZED)
459 return atheros_set_sta_authorized(priv, addr, 1);
460 if (!(flags_and & WPA_STA_AUTHORIZED))
461 return atheros_set_sta_authorized(priv, addr, 0);
462 return 0;
463 }
464
465 static int
atheros_del_key(void * priv,const u8 * addr,int key_idx)466 atheros_del_key(void *priv, const u8 *addr, int key_idx)
467 {
468 struct atheros_driver_data *drv = priv;
469 struct ieee80211req_del_key wk;
470 int ret;
471
472 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
473 __func__, ether_sprintf(addr), key_idx);
474
475 os_memset(&wk, 0, sizeof(wk));
476 if (addr != NULL) {
477 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
478 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
479 } else {
480 wk.idk_keyix = key_idx;
481 }
482
483 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
484 if (ret < 0) {
485 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
486 " key_idx %d)", __func__, ether_sprintf(addr),
487 key_idx);
488 }
489
490 return ret;
491 }
492
493 static int
atheros_set_key(void * priv,struct wpa_driver_set_key_params * params)494 atheros_set_key(void *priv, struct wpa_driver_set_key_params *params)
495 {
496 struct atheros_driver_data *drv = priv;
497 struct ieee80211req_key wk;
498 u_int8_t cipher;
499 int ret;
500 enum wpa_alg alg = params->alg;
501 const u8 *addr = params->addr;
502 int key_idx = params->key_idx;
503 int set_tx = params->set_tx;
504 const u8 *key = params->key;
505 size_t key_len = params->key_len;
506
507 if (alg == WPA_ALG_NONE)
508 return atheros_del_key(drv, addr, key_idx);
509
510 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
511 __func__, alg, ether_sprintf(addr), key_idx);
512
513 switch (alg) {
514 case WPA_ALG_WEP:
515 cipher = IEEE80211_CIPHER_WEP;
516 break;
517 case WPA_ALG_TKIP:
518 cipher = IEEE80211_CIPHER_TKIP;
519 break;
520 case WPA_ALG_CCMP:
521 cipher = IEEE80211_CIPHER_AES_CCM;
522 break;
523 #ifdef ATH_GCM_SUPPORT
524 case WPA_ALG_CCMP_256:
525 cipher = IEEE80211_CIPHER_AES_CCM_256;
526 break;
527 case WPA_ALG_GCMP:
528 cipher = IEEE80211_CIPHER_AES_GCM;
529 break;
530 case WPA_ALG_GCMP_256:
531 cipher = IEEE80211_CIPHER_AES_GCM_256;
532 break;
533 #endif /* ATH_GCM_SUPPORT */
534 case WPA_ALG_BIP_CMAC_128:
535 cipher = IEEE80211_CIPHER_AES_CMAC;
536 break;
537 #ifdef ATH_GCM_SUPPORT
538 case WPA_ALG_BIP_CMAC_256:
539 cipher = IEEE80211_CIPHER_AES_CMAC_256;
540 break;
541 case WPA_ALG_BIP_GMAC_128:
542 cipher = IEEE80211_CIPHER_AES_GMAC;
543 break;
544 case WPA_ALG_BIP_GMAC_256:
545 cipher = IEEE80211_CIPHER_AES_GMAC_256;
546 break;
547 #endif /* ATH_GCM_SUPPORT */
548 default:
549 wpa_printf(MSG_INFO, "%s: unknown/unsupported algorithm %d",
550 __func__, alg);
551 return -1;
552 }
553
554 if (key_len > sizeof(wk.ik_keydata)) {
555 wpa_printf(MSG_INFO, "%s: key length %lu too big", __func__,
556 (unsigned long) key_len);
557 return -3;
558 }
559
560 os_memset(&wk, 0, sizeof(wk));
561 wk.ik_type = cipher;
562 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
563 if (addr == NULL || is_broadcast_ether_addr(addr)) {
564 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
565 wk.ik_keyix = key_idx;
566 if (set_tx)
567 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
568 } else {
569 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
570 wk.ik_keyix = IEEE80211_KEYIX_NONE;
571 }
572 wk.ik_keylen = key_len;
573 os_memcpy(wk.ik_keydata, key, key_len);
574
575 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
576 if (ret < 0) {
577 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
578 " key_idx %d alg %d key_len %lu set_tx %d)",
579 __func__, ether_sprintf(wk.ik_macaddr), key_idx,
580 alg, (unsigned long) key_len, set_tx);
581 }
582
583 return ret;
584 }
585
586
587 static int
atheros_get_seqnum(const char * ifname,void * priv,const u8 * addr,int idx,int link_id,u8 * seq)588 atheros_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
589 int link_id, u8 *seq)
590 {
591 struct atheros_driver_data *drv = priv;
592 struct ieee80211req_key wk;
593
594 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
595 __func__, ether_sprintf(addr), idx);
596
597 os_memset(&wk, 0, sizeof(wk));
598 if (addr == NULL)
599 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
600 else
601 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
602 wk.ik_keyix = idx;
603
604 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
605 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
606 "(addr " MACSTR " key_idx %d)",
607 __func__, MAC2STR(wk.ik_macaddr), idx);
608 return -1;
609 }
610
611 #ifdef WORDS_BIGENDIAN
612 {
613 /*
614 * wk.ik_keytsc is in host byte order (big endian), need to
615 * swap it to match with the byte order used in WPA.
616 */
617 int i;
618 #ifndef WPA_KEY_RSC_LEN
619 #define WPA_KEY_RSC_LEN 8
620 #endif
621 u8 tmp[WPA_KEY_RSC_LEN];
622 os_memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
623 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
624 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
625 }
626 }
627 #else /* WORDS_BIGENDIAN */
628 os_memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
629 #endif /* WORDS_BIGENDIAN */
630 return 0;
631 }
632
633
634 static int
atheros_flush(void * priv,int link_id)635 atheros_flush(void *priv, int link_id)
636 {
637 u8 allsta[IEEE80211_ADDR_LEN];
638 os_memset(allsta, 0xff, IEEE80211_ADDR_LEN);
639 return atheros_sta_deauth(priv, NULL, allsta,
640 IEEE80211_REASON_AUTH_LEAVE, -1);
641 }
642
643
644 static int
atheros_read_sta_driver_data(void * priv,struct hostap_sta_driver_data * data,const u8 * addr)645 atheros_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
646 const u8 *addr)
647 {
648 struct atheros_driver_data *drv = priv;
649 struct ieee80211req_sta_stats stats;
650
651 os_memset(data, 0, sizeof(*data));
652
653 /*
654 * Fetch statistics for station from the system.
655 */
656 os_memset(&stats, 0, sizeof(stats));
657 os_memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
658 if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS,
659 &stats, sizeof(stats))) {
660 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
661 MACSTR ")", __func__, MAC2STR(addr));
662 if (ether_addr_equal(addr, drv->acct_mac)) {
663 os_memcpy(data, &drv->acct_data, sizeof(*data));
664 return 0;
665 }
666
667 wpa_printf(MSG_INFO,
668 "Failed to get station stats information element");
669 return -1;
670 }
671
672 data->rx_packets = stats.is_stats.ns_rx_data;
673 data->rx_bytes = stats.is_stats.ns_rx_bytes;
674 data->tx_packets = stats.is_stats.ns_tx_data;
675 data->tx_bytes = stats.is_stats.ns_tx_bytes;
676 return 0;
677 }
678
679
680 static int
atheros_sta_clear_stats(void * priv,const u8 * addr)681 atheros_sta_clear_stats(void *priv, const u8 *addr)
682 {
683 struct atheros_driver_data *drv = priv;
684 struct ieee80211req_mlme mlme;
685 int ret;
686
687 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
688
689 mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
690 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
691 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
692 sizeof(mlme));
693 if (ret < 0) {
694 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
695 MACSTR ")", __func__, MAC2STR(addr));
696 }
697
698 return ret;
699 }
700
701
702 static int
atheros_set_opt_ie(void * priv,const u8 * ie,size_t ie_len)703 atheros_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
704 {
705 struct atheros_driver_data *drv = priv;
706 u8 buf[512];
707 struct ieee80211req_getset_appiebuf *app_ie;
708
709 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
710 (unsigned long) ie_len);
711 wpa_hexdump(MSG_DEBUG, "atheros: set_generic_elem", ie, ie_len);
712
713 wpabuf_free(drv->wpa_ie);
714 if (ie)
715 drv->wpa_ie = wpabuf_alloc_copy(ie, ie_len);
716 else
717 drv->wpa_ie = NULL;
718
719 app_ie = (struct ieee80211req_getset_appiebuf *) buf;
720 if (ie)
721 os_memcpy(&(app_ie->app_buf[0]), ie, ie_len);
722 app_ie->app_buflen = ie_len;
723
724 app_ie->app_frmtype = IEEE80211_APPIE_FRAME_BEACON;
725
726 /* append WPS IE for Beacon */
727 if (drv->wps_beacon_ie != NULL) {
728 os_memcpy(&(app_ie->app_buf[ie_len]),
729 wpabuf_head(drv->wps_beacon_ie),
730 wpabuf_len(drv->wps_beacon_ie));
731 app_ie->app_buflen = ie_len + wpabuf_len(drv->wps_beacon_ie);
732 }
733 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(Beacon)",
734 app_ie->app_buf, app_ie->app_buflen);
735 set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
736 sizeof(struct ieee80211req_getset_appiebuf) +
737 app_ie->app_buflen);
738
739 /* append WPS IE for Probe Response */
740 app_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_RESP;
741 if (drv->wps_probe_resp_ie != NULL) {
742 os_memcpy(&(app_ie->app_buf[ie_len]),
743 wpabuf_head(drv->wps_probe_resp_ie),
744 wpabuf_len(drv->wps_probe_resp_ie));
745 app_ie->app_buflen = ie_len +
746 wpabuf_len(drv->wps_probe_resp_ie);
747 } else
748 app_ie->app_buflen = ie_len;
749 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(ProbeResp)",
750 app_ie->app_buf, app_ie->app_buflen);
751 set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
752 sizeof(struct ieee80211req_getset_appiebuf) +
753 app_ie->app_buflen);
754 return 0;
755 }
756
757 static int
atheros_sta_deauth(void * priv,const u8 * own_addr,const u8 * addr,u16 reason_code,int link_id)758 atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
759 u16 reason_code, int link_id)
760 {
761 struct atheros_driver_data *drv = priv;
762 struct ieee80211req_mlme mlme;
763 int ret;
764
765 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
766 __func__, ether_sprintf(addr), reason_code);
767
768 mlme.im_op = IEEE80211_MLME_DEAUTH;
769 mlme.im_reason = reason_code;
770 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
771 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
772 if (ret < 0) {
773 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
774 " reason %d)",
775 __func__, MAC2STR(addr), reason_code);
776 }
777
778 return ret;
779 }
780
781 static int
atheros_sta_disassoc(void * priv,const u8 * own_addr,const u8 * addr,u16 reason_code)782 atheros_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
783 u16 reason_code)
784 {
785 struct atheros_driver_data *drv = priv;
786 struct ieee80211req_mlme mlme;
787 int ret;
788
789 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
790 __func__, ether_sprintf(addr), reason_code);
791
792 mlme.im_op = IEEE80211_MLME_DISASSOC;
793 mlme.im_reason = reason_code;
794 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
795 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
796 if (ret < 0) {
797 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
798 MACSTR " reason %d)",
799 __func__, MAC2STR(addr), reason_code);
800 }
801
802 return ret;
803 }
804
atheros_set_qos_map(void * ctx,const u8 * qos_map_set,u8 qos_map_set_len)805 static int atheros_set_qos_map(void *ctx, const u8 *qos_map_set,
806 u8 qos_map_set_len)
807 {
808 #ifdef CONFIG_ATHEROS_QOS_MAP
809 struct atheros_driver_data *drv = ctx;
810 struct ieee80211req_athdbg req;
811 struct ieee80211_qos_map *qos_map = &req.data.qos_map;
812 struct iwreq iwr;
813 int i, up_start;
814
815 if (qos_map_set_len < 16 || qos_map_set_len > 58 ||
816 qos_map_set_len & 1) {
817 wpa_printf(MSG_ERROR, "Invalid QoS Map");
818 return -1;
819 } else {
820 os_memset(&req, 0, sizeof(struct ieee80211req_athdbg));
821 req.cmd = IEEE80211_DBGREQ_SETQOSMAPCONF;
822 os_memset(&iwr, 0, sizeof(iwr));
823 os_strlcpy(iwr.ifr_name, drv->iface, sizeof(iwr.ifr_name));
824 iwr.u.data.pointer = (void *) &req;
825 iwr.u.data.length = sizeof(struct ieee80211req_athdbg);
826 }
827
828 qos_map->valid = 1;
829 qos_map->num_dscp_except = (qos_map_set_len - 16) / 2;
830 if (qos_map->num_dscp_except) {
831 for (i = 0; i < qos_map->num_dscp_except; i++) {
832 qos_map->dscp_exception[i].dscp = qos_map_set[i * 2];
833 qos_map->dscp_exception[i].up = qos_map_set[i * 2 + 1];
834 }
835 }
836
837 up_start = qos_map_set_len - 16;
838 for (i = 0; i < IEEE80211_MAX_QOS_UP_RANGE; i++) {
839 qos_map->up[i].low = qos_map_set[up_start + (i * 2)];
840 qos_map->up[i].high = qos_map_set[up_start + (i * 2) + 1];
841 }
842
843 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_DBGREQ, &iwr) < 0) {
844 wpa_printf(MSG_ERROR,
845 "%s: %s: Failed to set QoS Map: ioctl[IEEE80211_IOCTL_DBGREQ]: %s",
846 __func__, drv->iface, strerror(errno));
847 return -1;
848 }
849 #endif /* CONFIG_ATHEROS_QOS_MAP */
850
851 return 0;
852 }
853
854
atheros_raw_receive(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)855 static void atheros_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
856 size_t len)
857 {
858 struct atheros_driver_data *drv = ctx;
859 const struct ieee80211_mgmt *mgmt;
860 union wpa_event_data event;
861 u16 fc, stype;
862 int ielen;
863 const u8 *iebuf;
864
865 if (len < IEEE80211_HDRLEN)
866 return;
867
868 mgmt = (const struct ieee80211_mgmt *) buf;
869
870 fc = le_to_host16(mgmt->frame_control);
871
872 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT)
873 return;
874
875 stype = WLAN_FC_GET_STYPE(fc);
876
877 wpa_printf(MSG_DEBUG, "%s: subtype 0x%x len %d", __func__, stype,
878 (int) len);
879
880 if (stype == WLAN_FC_STYPE_PROBE_REQ) {
881 if (len < IEEE80211_HDRLEN)
882 return;
883
884 os_memset(&event, 0, sizeof(event));
885 event.rx_probe_req.sa = mgmt->sa;
886 event.rx_probe_req.da = mgmt->da;
887 event.rx_probe_req.bssid = mgmt->bssid;
888 event.rx_probe_req.ie = buf + IEEE80211_HDRLEN;
889 event.rx_probe_req.ie_len = len - IEEE80211_HDRLEN;
890 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
891 return;
892 }
893
894 if (stype == WLAN_FC_STYPE_ACTION &&
895 (ether_addr_equal(drv->own_addr, mgmt->bssid) ||
896 is_broadcast_ether_addr(mgmt->bssid))) {
897 os_memset(&event, 0, sizeof(event));
898 event.rx_mgmt.frame = buf;
899 event.rx_mgmt.frame_len = len;
900 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
901 return;
902 }
903
904 if (!ether_addr_equal(drv->own_addr, mgmt->bssid)) {
905 wpa_printf(MSG_DEBUG, "%s: BSSID does not match - ignore",
906 __func__);
907 return;
908 }
909
910 switch (stype) {
911 case WLAN_FC_STYPE_ASSOC_REQ:
912 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req))
913 break;
914 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req));
915 iebuf = mgmt->u.assoc_req.variable;
916 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, NULL, 0,
917 NULL, -1, 0);
918 break;
919 case WLAN_FC_STYPE_REASSOC_REQ:
920 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req))
921 break;
922 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req));
923 iebuf = mgmt->u.reassoc_req.variable;
924 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, NULL, 0,
925 NULL, -1, 1);
926 break;
927 case WLAN_FC_STYPE_AUTH:
928 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth))
929 break;
930 os_memset(&event, 0, sizeof(event));
931 if (le_to_host16(mgmt->u.auth.auth_alg) == WLAN_AUTH_SAE) {
932 event.rx_mgmt.frame = buf;
933 event.rx_mgmt.frame_len = len;
934 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
935 break;
936 }
937 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
938 os_memcpy(event.auth.bssid, mgmt->bssid, ETH_ALEN);
939 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
940 event.auth.status_code =
941 le_to_host16(mgmt->u.auth.status_code);
942 event.auth.auth_transaction =
943 le_to_host16(mgmt->u.auth.auth_transaction);
944 event.auth.ies = mgmt->u.auth.variable;
945 event.auth.ies_len = len - IEEE80211_HDRLEN -
946 sizeof(mgmt->u.auth);
947 wpa_supplicant_event(drv->hapd, EVENT_AUTH, &event);
948 break;
949 default:
950 break;
951 }
952 }
953
954
atheros_receive_pkt(struct atheros_driver_data * drv)955 static int atheros_receive_pkt(struct atheros_driver_data *drv)
956 {
957 int ret = 0;
958 struct ieee80211req_set_filter filt;
959
960 wpa_printf(MSG_DEBUG, "%s Enter", __func__);
961 filt.app_filterype = 0;
962 #ifdef CONFIG_WPS
963 filt.app_filterype |= IEEE80211_FILTER_TYPE_PROBE_REQ;
964 #endif /* CONFIG_WPS */
965 filt.app_filterype |= (IEEE80211_FILTER_TYPE_ASSOC_REQ |
966 IEEE80211_FILTER_TYPE_AUTH |
967 IEEE80211_FILTER_TYPE_ACTION);
968 #ifdef CONFIG_WNM
969 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION;
970 #endif /* CONFIG_WNM */
971 #ifdef CONFIG_HS20
972 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION;
973 #endif /* CONFIG_HS20 */
974 if (filt.app_filterype) {
975 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
976 sizeof(struct ieee80211req_set_filter));
977 if (ret)
978 return ret;
979 }
980
981 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) || defined(CONFIG_FILS)
982 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
983 atheros_raw_receive, drv, 1);
984 if (drv->sock_raw == NULL)
985 return -1;
986 #endif /* CONFIG_WPS || CONFIG_IEEE80211R || CONFIG_FILS */
987 return ret;
988 }
989
atheros_reset_appfilter(struct atheros_driver_data * drv)990 static int atheros_reset_appfilter(struct atheros_driver_data *drv)
991 {
992 struct ieee80211req_set_filter filt;
993 filt.app_filterype = 0;
994 return set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
995 sizeof(struct ieee80211req_set_filter));
996 }
997
998 #ifdef CONFIG_WPS
999 static int
atheros_set_wps_ie(void * priv,const u8 * ie,size_t len,u32 frametype)1000 atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
1001 {
1002 struct atheros_driver_data *drv = priv;
1003 u8 buf[512];
1004 struct ieee80211req_getset_appiebuf *beac_ie;
1005
1006 wpa_printf(MSG_DEBUG, "%s buflen = %lu frametype=%u", __func__,
1007 (unsigned long) len, frametype);
1008 wpa_hexdump(MSG_DEBUG, "atheros: IE", ie, len);
1009
1010 beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
1011 beac_ie->app_frmtype = frametype;
1012 beac_ie->app_buflen = len;
1013 if (ie)
1014 os_memcpy(&(beac_ie->app_buf[0]), ie, len);
1015
1016 /* append the WPA/RSN IE if it is set already */
1017 if (((frametype == IEEE80211_APPIE_FRAME_BEACON) ||
1018 (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) &&
1019 (drv->wpa_ie != NULL)) {
1020 wpa_hexdump_buf(MSG_DEBUG, "atheros: Append WPA/RSN IE",
1021 drv->wpa_ie);
1022 os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie),
1023 wpabuf_len(drv->wpa_ie));
1024 beac_ie->app_buflen += wpabuf_len(drv->wpa_ie);
1025 }
1026
1027 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF",
1028 beac_ie->app_buf, beac_ie->app_buflen);
1029 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
1030 sizeof(struct ieee80211req_getset_appiebuf) +
1031 beac_ie->app_buflen);
1032 }
1033
1034 static int
atheros_set_ap_wps_ie(void * priv,const struct wpabuf * beacon,const struct wpabuf * proberesp,const struct wpabuf * assocresp)1035 atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
1036 const struct wpabuf *proberesp,
1037 const struct wpabuf *assocresp)
1038 {
1039 struct atheros_driver_data *drv = priv;
1040
1041 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - beacon", beacon);
1042 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - proberesp",
1043 proberesp);
1044 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - assocresp",
1045 assocresp);
1046 wpabuf_free(drv->wps_beacon_ie);
1047 drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL;
1048 wpabuf_free(drv->wps_probe_resp_ie);
1049 drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL;
1050
1051 atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL,
1052 assocresp ? wpabuf_len(assocresp) : 0,
1053 IEEE80211_APPIE_FRAME_ASSOC_RESP);
1054 if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
1055 beacon ? wpabuf_len(beacon) : 0,
1056 IEEE80211_APPIE_FRAME_BEACON))
1057 return -1;
1058 return atheros_set_wps_ie(priv,
1059 proberesp ? wpabuf_head(proberesp) : NULL,
1060 proberesp ? wpabuf_len(proberesp): 0,
1061 IEEE80211_APPIE_FRAME_PROBE_RESP);
1062 }
1063 #else /* CONFIG_WPS */
1064 #define atheros_set_ap_wps_ie NULL
1065 #endif /* CONFIG_WPS */
1066
1067 static int
atheros_sta_auth(void * priv,struct wpa_driver_sta_auth_params * params)1068 atheros_sta_auth(void *priv, struct wpa_driver_sta_auth_params *params)
1069 {
1070 struct atheros_driver_data *drv = priv;
1071 struct ieee80211req_mlme mlme;
1072 int ret;
1073
1074 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d",
1075 __func__, ether_sprintf(params->addr), params->status);
1076
1077 #ifdef CONFIG_FILS
1078 /* Copy FILS AAD parameters if the driver supports FILS */
1079 if (params->fils_auth && drv->fils_en) {
1080 wpa_printf(MSG_DEBUG, "%s: im_op IEEE80211_MLME_AUTH_FILS",
1081 __func__);
1082 os_memcpy(mlme.fils_aad.ANonce, params->fils_anonce,
1083 IEEE80211_FILS_NONCE_LEN);
1084 os_memcpy(mlme.fils_aad.SNonce, params->fils_snonce,
1085 IEEE80211_FILS_NONCE_LEN);
1086 os_memcpy(mlme.fils_aad.kek, params->fils_kek,
1087 IEEE80211_MAX_WPA_KEK_LEN);
1088 mlme.fils_aad.kek_len = params->fils_kek_len;
1089 mlme.im_op = IEEE80211_MLME_AUTH_FILS;
1090 wpa_hexdump(MSG_DEBUG, "FILS: ANonce",
1091 mlme.fils_aad.ANonce, FILS_NONCE_LEN);
1092 wpa_hexdump(MSG_DEBUG, "FILS: SNonce",
1093 mlme.fils_aad.SNonce, FILS_NONCE_LEN);
1094 wpa_hexdump_key(MSG_DEBUG, "FILS: KEK",
1095 mlme.fils_aad.kek, mlme.fils_aad.kek_len);
1096 } else {
1097 mlme.im_op = IEEE80211_MLME_AUTH;
1098 }
1099 #else /* CONFIG_FILS */
1100 mlme.im_op = IEEE80211_MLME_AUTH;
1101 #endif /* CONFIG_FILS */
1102
1103 mlme.im_reason = params->status;
1104 mlme.im_seq = params->seq;
1105 os_memcpy(mlme.im_macaddr, params->addr, IEEE80211_ADDR_LEN);
1106 mlme.im_optie_len = params->len;
1107 if (params->len) {
1108 if (params->len < IEEE80211_MAX_OPT_IE) {
1109 os_memcpy(mlme.im_optie, params->ie, params->len);
1110 } else {
1111 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy "
1112 "opt_ie STA (addr " MACSTR " reason %d, "
1113 "ie_len %d)",
1114 __func__, MAC2STR(params->addr),
1115 params->status, (int) params->len);
1116 return -1;
1117 }
1118 }
1119 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
1120 if (ret < 0) {
1121 wpa_printf(MSG_DEBUG, "%s: Failed to auth STA (addr " MACSTR
1122 " reason %d)",
1123 __func__, MAC2STR(params->addr), params->status);
1124 }
1125 return ret;
1126 }
1127
1128 static int
atheros_sta_assoc(void * priv,const u8 * own_addr,const u8 * addr,int reassoc,u16 status_code,const u8 * ie,size_t len)1129 atheros_sta_assoc(void *priv, const u8 *own_addr, const u8 *addr,
1130 int reassoc, u16 status_code, const u8 *ie, size_t len)
1131 {
1132 struct atheros_driver_data *drv = priv;
1133 struct ieee80211req_mlme mlme;
1134 int ret;
1135
1136 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d reassoc %d",
1137 __func__, ether_sprintf(addr), status_code, reassoc);
1138
1139 if (reassoc)
1140 mlme.im_op = IEEE80211_MLME_REASSOC;
1141 else
1142 mlme.im_op = IEEE80211_MLME_ASSOC;
1143 mlme.im_reason = status_code;
1144 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1145 mlme.im_optie_len = len;
1146 if (len) {
1147 if (len < IEEE80211_MAX_OPT_IE) {
1148 os_memcpy(mlme.im_optie, ie, len);
1149 } else {
1150 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy "
1151 "opt_ie STA (addr " MACSTR " reason %d, "
1152 "ie_len %d)",
1153 __func__, MAC2STR(addr), status_code,
1154 (int) len);
1155 return -1;
1156 }
1157 }
1158 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
1159 if (ret < 0) {
1160 wpa_printf(MSG_DEBUG, "%s: Failed to assoc STA (addr " MACSTR
1161 " reason %d)",
1162 __func__, MAC2STR(addr), status_code);
1163 }
1164 return ret;
1165 }
1166
1167
1168 static void
atheros_new_sta(struct atheros_driver_data * drv,u8 addr[IEEE80211_ADDR_LEN])1169 atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
1170 {
1171 struct hostapd_data *hapd = drv->hapd;
1172 struct ieee80211req_wpaie ie;
1173 int ielen = 0;
1174 u8 *iebuf = NULL;
1175
1176 /*
1177 * Fetch negotiated WPA/RSN parameters from the system.
1178 */
1179 os_memset(&ie, 0, sizeof(ie));
1180 os_memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
1181 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
1182 /*
1183 * See ATH_WPS_IE comment in the beginning of the file for a
1184 * possible cause for the failure..
1185 */
1186 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s",
1187 __func__, strerror(errno));
1188 goto no_ie;
1189 }
1190 wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE",
1191 ie.wpa_ie, IEEE80211_MAX_OPT_IE);
1192 wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE",
1193 ie.rsn_ie, IEEE80211_MAX_OPT_IE);
1194 #ifdef ATH_WPS_IE
1195 wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE",
1196 ie.wps_ie, IEEE80211_MAX_OPT_IE);
1197 #endif /* ATH_WPS_IE */
1198 iebuf = ie.wpa_ie;
1199 /* atheros seems to return some random data if WPA/RSN IE is not set.
1200 * Assume the IE was not included if the IE type is unknown. */
1201 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
1202 iebuf[1] = 0;
1203 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
1204 /* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
1205 * set. This is needed for WPA2. */
1206 iebuf = ie.rsn_ie;
1207 if (iebuf[0] != WLAN_EID_RSN)
1208 iebuf[1] = 0;
1209 }
1210
1211 ielen = iebuf[1];
1212
1213 #ifdef ATH_WPS_IE
1214 /* if WPS IE is present, preference is given to WPS */
1215 if (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC && ie.wps_ie[1] > 0) {
1216 iebuf = ie.wps_ie;
1217 ielen = ie.wps_ie[1];
1218 }
1219 #endif /* ATH_WPS_IE */
1220
1221 if (ielen == 0)
1222 iebuf = NULL;
1223 else
1224 ielen += 2;
1225
1226 no_ie:
1227 drv_event_assoc(hapd, addr, iebuf, ielen, NULL, 0, NULL, -1, 0);
1228
1229 if (ether_addr_equal(addr, drv->acct_mac)) {
1230 /* Cached accounting data is not valid anymore. */
1231 os_memset(drv->acct_mac, 0, ETH_ALEN);
1232 os_memset(&drv->acct_data, 0, sizeof(drv->acct_data));
1233 }
1234 }
1235
1236 static void
atheros_wireless_event_wireless_custom(struct atheros_driver_data * drv,char * custom,char * end)1237 atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv,
1238 char *custom, char *end)
1239 {
1240 #define MGMT_FRAM_TAG_SIZE 30 /* hardcoded in driver */
1241 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
1242
1243 if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
1244 char *pos;
1245 u8 addr[ETH_ALEN];
1246 pos = os_strstr(custom, "addr=");
1247 if (pos == NULL) {
1248 wpa_printf(MSG_DEBUG,
1249 "MLME-MICHAELMICFAILURE.indication "
1250 "without sender address ignored");
1251 return;
1252 }
1253 pos += 5;
1254 if (hwaddr_aton(pos, addr) == 0) {
1255 union wpa_event_data data;
1256 os_memset(&data, 0, sizeof(data));
1257 data.michael_mic_failure.unicast = 1;
1258 data.michael_mic_failure.src = addr;
1259 wpa_supplicant_event(drv->hapd,
1260 EVENT_MICHAEL_MIC_FAILURE, &data);
1261 } else {
1262 wpa_printf(MSG_DEBUG,
1263 "MLME-MICHAELMICFAILURE.indication "
1264 "with invalid MAC address");
1265 }
1266 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
1267 char *key, *value;
1268 u32 val;
1269 key = custom;
1270 while ((key = os_strchr(key, '\n')) != NULL) {
1271 key++;
1272 value = os_strchr(key, '=');
1273 if (value == NULL)
1274 continue;
1275 *value++ = '\0';
1276 val = strtoul(value, NULL, 10);
1277 if (os_strcmp(key, "mac") == 0)
1278 hwaddr_aton(value, drv->acct_mac);
1279 else if (os_strcmp(key, "rx_packets") == 0)
1280 drv->acct_data.rx_packets = val;
1281 else if (os_strcmp(key, "tx_packets") == 0)
1282 drv->acct_data.tx_packets = val;
1283 else if (os_strcmp(key, "rx_bytes") == 0)
1284 drv->acct_data.rx_bytes = val;
1285 else if (os_strcmp(key, "tx_bytes") == 0)
1286 drv->acct_data.tx_bytes = val;
1287 key = value;
1288 }
1289 #ifdef CONFIG_WPS
1290 } else if (os_strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) {
1291 /* Some atheros kernels send push button as a wireless event */
1292 /* PROBLEM! this event is received for ALL BSSs ...
1293 * so all are enabled for WPS... ugh.
1294 */
1295 wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL);
1296 } else if (os_strncmp(custom, "Manage.prob_req ", 16) == 0) {
1297 /*
1298 * Atheros driver uses a hack to pass Probe Request frames as a
1299 * binary data in the custom wireless event. The old way (using
1300 * packet sniffing) didn't work when bridging.
1301 * Format: "Manage.prob_req <frame len>" | zero padding | frame
1302 */
1303 int len = atoi(custom + 16);
1304 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1305 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event "
1306 "length %d", len);
1307 return;
1308 }
1309 atheros_raw_receive(drv, NULL,
1310 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1311 #endif /* CONFIG_WPS */
1312 } else if (os_strncmp(custom, "Manage.assoc_req ", 17) == 0) {
1313 /* Format: "Manage.assoc_req <frame len>" | zero padding |
1314 * frame */
1315 int len = atoi(custom + 17);
1316 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1317 wpa_printf(MSG_DEBUG,
1318 "Invalid Manage.assoc_req event length %d",
1319 len);
1320 return;
1321 }
1322 atheros_raw_receive(drv, NULL,
1323 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1324 } else if (os_strncmp(custom, "Manage.auth ", 12) == 0) {
1325 /* Format: "Manage.auth <frame len>" | zero padding | frame */
1326 int len = atoi(custom + 12);
1327 if (len < 0 ||
1328 MGMT_FRAM_TAG_SIZE + len > end - custom) {
1329 wpa_printf(MSG_DEBUG,
1330 "Invalid Manage.auth event length %d", len);
1331 return;
1332 }
1333 atheros_raw_receive(drv, NULL,
1334 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1335 } else if (os_strncmp(custom, "Manage.action ", 14) == 0) {
1336 /* Format: "Manage.assoc_req <frame len>" | zero padding | frame
1337 */
1338 int len = atoi(custom + 14);
1339 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1340 wpa_printf(MSG_DEBUG,
1341 "Invalid Manage.action event length %d",
1342 len);
1343 return;
1344 }
1345 atheros_raw_receive(drv, NULL,
1346 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1347 }
1348 }
1349
1350
send_action_cb_event(struct atheros_driver_data * drv,char * data,size_t data_len)1351 static void send_action_cb_event(struct atheros_driver_data *drv,
1352 char *data, size_t data_len)
1353 {
1354 union wpa_event_data event;
1355 struct ieee80211_send_action_cb *sa;
1356 const struct ieee80211_hdr *hdr;
1357 u16 fc;
1358
1359 if (data_len < sizeof(*sa) + 24) {
1360 wpa_printf(MSG_DEBUG,
1361 "athr: Too short event message (data_len=%d sizeof(*sa)=%d)",
1362 (int) data_len, (int) sizeof(*sa));
1363 wpa_hexdump(MSG_DEBUG, "athr: Short event message",
1364 data, data_len);
1365 return;
1366 }
1367
1368 sa = (struct ieee80211_send_action_cb *) data;
1369
1370 hdr = (const struct ieee80211_hdr *) (sa + 1);
1371 fc = le_to_host16(hdr->frame_control);
1372
1373 os_memset(&event, 0, sizeof(event));
1374 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1375 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1376 event.tx_status.dst = sa->dst_addr;
1377 event.tx_status.data = (const u8 *) hdr;
1378 event.tx_status.data_len = data_len - sizeof(*sa);
1379 event.tx_status.ack = sa->ack;
1380 wpa_supplicant_event(drv->hapd, EVENT_TX_STATUS, &event);
1381 }
1382
1383
1384 /*
1385 * Handle size of data problem. WEXT only allows data of 256 bytes for custom
1386 * events, and p2p data can be much bigger. So the athr driver sends a small
1387 * event telling me to collect the big data with an ioctl.
1388 * On the first event, send all pending events to supplicant.
1389 */
fetch_pending_big_events(struct atheros_driver_data * drv)1390 static void fetch_pending_big_events(struct atheros_driver_data *drv)
1391 {
1392 union wpa_event_data event;
1393 const struct ieee80211_mgmt *mgmt;
1394 u8 tbuf[IW_PRIV_SIZE_MASK]; /* max size is 2047 bytes */
1395 u16 fc, stype;
1396 struct iwreq iwr;
1397 size_t data_len;
1398 u32 freq, frame_type;
1399
1400 while (1) {
1401 os_memset(&iwr, 0, sizeof(iwr));
1402 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1403
1404 iwr.u.data.pointer = (void *) tbuf;
1405 iwr.u.data.length = sizeof(tbuf);
1406 iwr.u.data.flags = IEEE80211_IOC_P2P_FETCH_FRAME;
1407
1408 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr)
1409 < 0) {
1410 if (errno == ENOSPC) {
1411 wpa_printf(MSG_DEBUG, "%s:%d exit",
1412 __func__, __LINE__);
1413 return;
1414 }
1415 wpa_printf(MSG_DEBUG, "athr: %s: P2P_BIG_PARAM["
1416 "P2P_FETCH_FRAME] failed: %s",
1417 __func__, strerror(errno));
1418 return;
1419 }
1420 data_len = iwr.u.data.length;
1421 wpa_hexdump(MSG_DEBUG, "athr: P2P_FETCH_FRAME data",
1422 (u8 *) tbuf, data_len);
1423 if (data_len < sizeof(freq) + sizeof(frame_type) + 24) {
1424 wpa_printf(MSG_DEBUG, "athr: frame too short");
1425 continue;
1426 }
1427 os_memcpy(&freq, tbuf, sizeof(freq));
1428 os_memcpy(&frame_type, &tbuf[sizeof(freq)],
1429 sizeof(frame_type));
1430 mgmt = (void *) &tbuf[sizeof(freq) + sizeof(frame_type)];
1431 data_len -= sizeof(freq) + sizeof(frame_type);
1432
1433 if (frame_type == IEEE80211_EV_RX_MGMT) {
1434 fc = le_to_host16(mgmt->frame_control);
1435 stype = WLAN_FC_GET_STYPE(fc);
1436
1437 wpa_printf(MSG_DEBUG, "athr: EV_RX_MGMT stype=%u "
1438 "freq=%u len=%u", stype, freq, (int) data_len);
1439
1440 if (stype == WLAN_FC_STYPE_ACTION) {
1441 os_memset(&event, 0, sizeof(event));
1442 event.rx_mgmt.frame = (const u8 *) mgmt;
1443 event.rx_mgmt.frame_len = data_len;
1444 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT,
1445 &event);
1446 continue;
1447 }
1448 } else if (frame_type == IEEE80211_EV_P2P_SEND_ACTION_CB) {
1449 wpa_printf(MSG_DEBUG,
1450 "%s: ACTION_CB frame_type=%u len=%zu",
1451 __func__, frame_type, data_len);
1452 send_action_cb_event(drv, (void *) mgmt, data_len);
1453 } else {
1454 wpa_printf(MSG_DEBUG, "athr: %s unknown type %d",
1455 __func__, frame_type);
1456 continue;
1457 }
1458 }
1459 }
1460
1461 static void
atheros_wireless_event_atheros_custom(struct atheros_driver_data * drv,int opcode,char * buf,int len)1462 atheros_wireless_event_atheros_custom(struct atheros_driver_data *drv,
1463 int opcode, char *buf, int len)
1464 {
1465 switch (opcode) {
1466 case IEEE80211_EV_P2P_SEND_ACTION_CB:
1467 wpa_printf(MSG_DEBUG, "WEXT: EV_P2P_SEND_ACTION_CB");
1468 fetch_pending_big_events(drv);
1469 break;
1470 case IEEE80211_EV_RX_MGMT:
1471 wpa_printf(MSG_DEBUG, "WEXT: EV_RX_MGMT");
1472 fetch_pending_big_events(drv);
1473 break;
1474 default:
1475 break;
1476 }
1477 }
1478
1479 static void
atheros_wireless_event_wireless(struct atheros_driver_data * drv,char * data,unsigned int len)1480 atheros_wireless_event_wireless(struct atheros_driver_data *drv,
1481 char *data, unsigned int len)
1482 {
1483 struct iw_event iwe_buf, *iwe = &iwe_buf;
1484 char *pos, *end, *custom, *buf;
1485
1486 pos = data;
1487 end = data + len;
1488
1489 while ((size_t) (end - pos) >= IW_EV_LCP_LEN) {
1490 /* Event data may be unaligned, so make a local, aligned copy
1491 * before processing. */
1492 os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
1493 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
1494 iwe->cmd, iwe->len);
1495 if (iwe->len <= IW_EV_LCP_LEN || iwe->len > end - pos)
1496 return;
1497
1498 custom = pos + IW_EV_POINT_LEN;
1499 if (drv->we_version > 18 &&
1500 (iwe->cmd == IWEVMICHAELMICFAILURE ||
1501 iwe->cmd == IWEVASSOCREQIE ||
1502 iwe->cmd == IWEVCUSTOM)) {
1503 /* WE-19 removed the pointer from struct iw_point */
1504 char *dpos = (char *) &iwe_buf.u.data.length;
1505 int dlen = dpos - (char *) &iwe_buf;
1506 os_memcpy(dpos, pos + IW_EV_LCP_LEN,
1507 sizeof(struct iw_event) - dlen);
1508 } else {
1509 os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
1510 custom += IW_EV_POINT_OFF;
1511 }
1512
1513 switch (iwe->cmd) {
1514 case IWEVEXPIRED:
1515 drv_event_disassoc(drv->hapd,
1516 (u8 *) iwe->u.addr.sa_data);
1517 break;
1518 case IWEVREGISTERED:
1519 atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
1520 break;
1521 case IWEVASSOCREQIE:
1522 /* Driver hack.. Use IWEVASSOCREQIE to bypass
1523 * IWEVCUSTOM size limitations. Need to handle this
1524 * just like IWEVCUSTOM.
1525 */
1526 case IWEVCUSTOM:
1527 if (iwe->u.data.length > end - custom)
1528 return;
1529 buf = os_malloc(iwe->u.data.length + 1);
1530 if (buf == NULL)
1531 return; /* XXX */
1532 os_memcpy(buf, custom, iwe->u.data.length);
1533 buf[iwe->u.data.length] = '\0';
1534
1535 if (iwe->u.data.flags != 0) {
1536 atheros_wireless_event_atheros_custom(
1537 drv, (int) iwe->u.data.flags,
1538 buf, len);
1539 } else {
1540 atheros_wireless_event_wireless_custom(
1541 drv, buf, buf + iwe->u.data.length);
1542 }
1543 os_free(buf);
1544 break;
1545 }
1546
1547 pos += iwe->len;
1548 }
1549 }
1550
1551
1552 static void
atheros_wireless_event_rtm_newlink(void * ctx,struct ifinfomsg * ifi,u8 * buf,size_t len)1553 atheros_wireless_event_rtm_newlink(void *ctx,
1554 struct ifinfomsg *ifi, u8 *buf, size_t len)
1555 {
1556 struct atheros_driver_data *drv = ctx;
1557 int attrlen, rta_len;
1558 struct rtattr *attr;
1559
1560 if (ifi->ifi_index != drv->ifindex)
1561 return;
1562
1563 attrlen = len;
1564 attr = (struct rtattr *) buf;
1565
1566 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1567 while (RTA_OK(attr, attrlen)) {
1568 if (attr->rta_type == IFLA_WIRELESS) {
1569 atheros_wireless_event_wireless(
1570 drv, ((char *) attr) + rta_len,
1571 attr->rta_len - rta_len);
1572 }
1573 attr = RTA_NEXT(attr, attrlen);
1574 }
1575 }
1576
1577
1578 static int
atheros_get_we_version(struct atheros_driver_data * drv)1579 atheros_get_we_version(struct atheros_driver_data *drv)
1580 {
1581 struct iw_range *range;
1582 struct iwreq iwr;
1583 int minlen;
1584 size_t buflen;
1585
1586 drv->we_version = 0;
1587
1588 /*
1589 * Use larger buffer than struct iw_range in order to allow the
1590 * structure to grow in the future.
1591 */
1592 buflen = sizeof(struct iw_range) + 500;
1593 range = os_zalloc(buflen);
1594 if (range == NULL)
1595 return -1;
1596
1597 os_memset(&iwr, 0, sizeof(iwr));
1598 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1599 iwr.u.data.pointer = (caddr_t) range;
1600 iwr.u.data.length = buflen;
1601
1602 minlen = ((char *) &range->enc_capa) - (char *) range +
1603 sizeof(range->enc_capa);
1604
1605 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1606 wpa_printf(MSG_ERROR, "ioctl[SIOCGIWRANGE]: %s",
1607 strerror(errno));
1608 os_free(range);
1609 return -1;
1610 } else if (iwr.u.data.length >= minlen &&
1611 range->we_version_compiled >= 18) {
1612 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1613 "WE(source)=%d enc_capa=0x%x",
1614 range->we_version_compiled,
1615 range->we_version_source,
1616 range->enc_capa);
1617 drv->we_version = range->we_version_compiled;
1618 }
1619
1620 os_free(range);
1621 return 0;
1622 }
1623
1624
1625 static int
atheros_wireless_event_init(struct atheros_driver_data * drv)1626 atheros_wireless_event_init(struct atheros_driver_data *drv)
1627 {
1628 struct netlink_config *cfg;
1629
1630 atheros_get_we_version(drv);
1631
1632 cfg = os_zalloc(sizeof(*cfg));
1633 if (cfg == NULL)
1634 return -1;
1635 cfg->ctx = drv;
1636 cfg->newlink_cb = atheros_wireless_event_rtm_newlink;
1637 drv->netlink = netlink_init(cfg);
1638 if (drv->netlink == NULL) {
1639 os_free(cfg);
1640 return -1;
1641 }
1642
1643 return 0;
1644 }
1645
1646
1647 static int
atheros_send_eapol(void * priv,const u8 * addr,const u8 * data,size_t data_len,int encrypt,const u8 * own_addr,u32 flags,int link_id)1648 atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
1649 int encrypt, const u8 *own_addr, u32 flags, int link_id)
1650 {
1651 struct atheros_driver_data *drv = priv;
1652 unsigned char buf[3000];
1653 unsigned char *bp = buf;
1654 struct l2_ethhdr *eth;
1655 size_t len;
1656 int status;
1657
1658 /*
1659 * Prepend the Ethernet header. If the caller left us
1660 * space at the front we could just insert it but since
1661 * we don't know we copy to a local buffer. Given the frequency
1662 * and size of frames this probably doesn't matter.
1663 */
1664 len = data_len + sizeof(struct l2_ethhdr);
1665 if (len > sizeof(buf)) {
1666 bp = os_malloc(len);
1667 if (bp == NULL) {
1668 wpa_printf(MSG_INFO,
1669 "EAPOL frame discarded, cannot malloc temp buffer of size %lu!",
1670 (unsigned long) len);
1671 return -1;
1672 }
1673 }
1674 eth = (struct l2_ethhdr *) bp;
1675 os_memcpy(eth->h_dest, addr, ETH_ALEN);
1676 os_memcpy(eth->h_source, own_addr, ETH_ALEN);
1677 eth->h_proto = host_to_be16(ETH_P_EAPOL);
1678 os_memcpy(eth + 1, data, data_len);
1679
1680 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
1681
1682 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
1683
1684 if (bp != buf)
1685 os_free(bp);
1686 return status;
1687 }
1688
1689 static void
handle_read(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)1690 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1691 {
1692 struct atheros_driver_data *drv = ctx;
1693 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
1694 len - sizeof(struct l2_ethhdr));
1695 }
1696
1697
atheros_read_fils_cap(struct atheros_driver_data * drv)1698 static void atheros_read_fils_cap(struct atheros_driver_data *drv)
1699 {
1700 int fils = 0;
1701
1702 #ifdef CONFIG_FILS
1703 /* TODO: Would be better to have #ifdef on the IEEE80211_PARAM_* value
1704 * to automatically check this against the driver header files. */
1705 if (get80211param(drv, IEEE80211_PARAM_ENABLE_FILS, &fils) < 0) {
1706 wpa_printf(MSG_DEBUG,
1707 "%s: Failed to get FILS capability from driver",
1708 __func__);
1709 /* Assume driver does not support FILS */
1710 fils = 0;
1711 }
1712 #endif /* CONFIG_FILS */
1713 drv->fils_en = fils;
1714 wpa_printf(MSG_DEBUG, "atheros: fils_en=%d", drv->fils_en);
1715 }
1716
1717
1718 static void *
atheros_init(struct hostapd_data * hapd,struct wpa_init_params * params)1719 atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params)
1720 {
1721 struct atheros_driver_data *drv;
1722 struct ifreq ifr;
1723 struct iwreq iwr;
1724 char brname[IFNAMSIZ];
1725
1726 drv = os_zalloc(sizeof(struct atheros_driver_data));
1727 if (drv == NULL) {
1728 wpa_printf(MSG_INFO,
1729 "Could not allocate memory for atheros driver data");
1730 return NULL;
1731 }
1732
1733 drv->hapd = hapd;
1734 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1735 if (drv->ioctl_sock < 0) {
1736 wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s",
1737 strerror(errno));
1738 goto bad;
1739 }
1740 os_memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1741
1742 os_memset(&ifr, 0, sizeof(ifr));
1743 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
1744 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
1745 wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
1746 strerror(errno));
1747 goto bad;
1748 }
1749 drv->ifindex = ifr.ifr_ifindex;
1750
1751 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
1752 handle_read, drv, 1);
1753 if (drv->sock_xmit == NULL)
1754 goto bad;
1755 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
1756 goto bad;
1757 os_memcpy(drv->own_addr, params->own_addr, ETH_ALEN);
1758 if (params->bridge[0]) {
1759 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
1760 params->bridge[0]);
1761 drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
1762 ETH_P_EAPOL, handle_read, drv,
1763 1);
1764 if (drv->sock_recv == NULL)
1765 goto bad;
1766 } else if (linux_br_get(brname, drv->iface) == 0) {
1767 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
1768 "EAPOL receive", brname);
1769 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
1770 handle_read, drv, 1);
1771 if (drv->sock_recv == NULL)
1772 goto bad;
1773 } else
1774 drv->sock_recv = drv->sock_xmit;
1775
1776 os_memset(&iwr, 0, sizeof(iwr));
1777 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1778
1779 iwr.u.mode = IW_MODE_MASTER;
1780
1781 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
1782 wpa_printf(MSG_ERROR,
1783 "Could not set interface to master mode! ioctl[SIOCSIWMODE]: %s",
1784 strerror(errno));
1785 goto bad;
1786 }
1787
1788 /* mark down during setup */
1789 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1790 atheros_set_privacy(drv, 0); /* default to no privacy */
1791
1792 if (atheros_receive_pkt(drv))
1793 goto bad;
1794
1795 if (atheros_wireless_event_init(drv))
1796 goto bad;
1797
1798 /* Read FILS capability from the driver */
1799 atheros_read_fils_cap(drv);
1800
1801 return drv;
1802 bad:
1803 atheros_reset_appfilter(drv);
1804 if (drv->sock_raw)
1805 l2_packet_deinit(drv->sock_raw);
1806 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1807 l2_packet_deinit(drv->sock_recv);
1808 if (drv->sock_xmit != NULL)
1809 l2_packet_deinit(drv->sock_xmit);
1810 if (drv->ioctl_sock >= 0)
1811 close(drv->ioctl_sock);
1812 os_free(drv);
1813 return NULL;
1814 }
1815
1816
1817 static void
atheros_deinit(void * priv)1818 atheros_deinit(void *priv)
1819 {
1820 struct atheros_driver_data *drv = priv;
1821
1822 atheros_reset_appfilter(drv);
1823
1824 if (drv->wpa_ie || drv->wps_beacon_ie || drv->wps_probe_resp_ie) {
1825 atheros_set_opt_ie(priv, NULL, 0);
1826 wpabuf_free(drv->wpa_ie);
1827 wpabuf_free(drv->wps_beacon_ie);
1828 wpabuf_free(drv->wps_probe_resp_ie);
1829 }
1830 netlink_deinit(drv->netlink);
1831 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1832 if (drv->ioctl_sock >= 0)
1833 close(drv->ioctl_sock);
1834 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1835 l2_packet_deinit(drv->sock_recv);
1836 if (drv->sock_xmit != NULL)
1837 l2_packet_deinit(drv->sock_xmit);
1838 if (drv->sock_raw)
1839 l2_packet_deinit(drv->sock_raw);
1840 os_free(drv);
1841 }
1842
1843 static int
atheros_set_ssid(void * priv,const u8 * buf,int len)1844 atheros_set_ssid(void *priv, const u8 *buf, int len)
1845 {
1846 struct atheros_driver_data *drv = priv;
1847 struct iwreq iwr;
1848
1849 os_memset(&iwr, 0, sizeof(iwr));
1850 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1851 iwr.u.essid.flags = 1; /* SSID active */
1852 iwr.u.essid.pointer = (caddr_t) buf;
1853 iwr.u.essid.length = len;
1854
1855 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
1856 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWESSID,len=%d]: %s",
1857 len, strerror(errno));
1858 return -1;
1859 }
1860 return 0;
1861 }
1862
1863 static int
atheros_get_ssid(void * priv,u8 * buf,int len)1864 atheros_get_ssid(void *priv, u8 *buf, int len)
1865 {
1866 struct atheros_driver_data *drv = priv;
1867 struct iwreq iwr;
1868 int ret = 0;
1869
1870 os_memset(&iwr, 0, sizeof(iwr));
1871 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1872 iwr.u.essid.pointer = (caddr_t) buf;
1873 iwr.u.essid.length = (len > IW_ESSID_MAX_SIZE) ?
1874 IW_ESSID_MAX_SIZE : len;
1875
1876 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
1877 wpa_printf(MSG_ERROR, "ioctl[SIOCGIWESSID]: %s",
1878 strerror(errno));
1879 ret = -1;
1880 } else
1881 ret = iwr.u.essid.length;
1882
1883 return ret;
1884 }
1885
1886 static int
atheros_set_countermeasures(void * priv,int enabled)1887 atheros_set_countermeasures(void *priv, int enabled)
1888 {
1889 struct atheros_driver_data *drv = priv;
1890 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1891 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
1892 }
1893
1894 static int
atheros_commit(void * priv)1895 atheros_commit(void *priv)
1896 {
1897 struct atheros_driver_data *drv = priv;
1898 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
1899 }
1900
atheros_set_authmode(void * priv,int auth_algs)1901 static int atheros_set_authmode(void *priv, int auth_algs)
1902 {
1903 int authmode;
1904
1905 if ((auth_algs & WPA_AUTH_ALG_OPEN) &&
1906 (auth_algs & WPA_AUTH_ALG_SHARED))
1907 authmode = IEEE80211_AUTH_AUTO;
1908 else if (auth_algs & WPA_AUTH_ALG_OPEN)
1909 authmode = IEEE80211_AUTH_OPEN;
1910 else if (auth_algs & WPA_AUTH_ALG_SHARED)
1911 authmode = IEEE80211_AUTH_SHARED;
1912 else
1913 return -1;
1914
1915 return set80211param(priv, IEEE80211_PARAM_AUTHMODE, authmode);
1916 }
1917
atheros_set_ap(void * priv,struct wpa_driver_ap_params * params)1918 static int atheros_set_ap(void *priv, struct wpa_driver_ap_params *params)
1919 {
1920 /*
1921 * TODO: Use this to replace set_authmode, set_privacy, set_ieee8021x,
1922 * set_generic_elem, and hapd_set_ssid.
1923 */
1924
1925 wpa_printf(MSG_DEBUG, "atheros: set_ap - pairwise_ciphers=0x%x "
1926 "group_cipher=0x%x key_mgmt_suites=0x%x auth_algs=0x%x "
1927 "wpa_version=0x%x privacy=%d interworking=%d",
1928 params->pairwise_ciphers, params->group_cipher,
1929 params->key_mgmt_suites, params->auth_algs,
1930 params->wpa_version, params->privacy, params->interworking);
1931 wpa_hexdump_ascii(MSG_DEBUG, "atheros: SSID",
1932 params->ssid, params->ssid_len);
1933 if (params->hessid)
1934 wpa_printf(MSG_DEBUG, "atheros: HESSID " MACSTR,
1935 MAC2STR(params->hessid));
1936 wpa_hexdump_buf(MSG_DEBUG, "atheros: beacon_ies",
1937 params->beacon_ies);
1938 wpa_hexdump_buf(MSG_DEBUG, "atheros: proberesp_ies",
1939 params->proberesp_ies);
1940 wpa_hexdump_buf(MSG_DEBUG, "atheros: assocresp_ies",
1941 params->assocresp_ies);
1942
1943 #if defined(CONFIG_HS20) && (defined(IEEE80211_PARAM_OSEN) || defined(CONFIG_ATHEROS_OSEN))
1944 if (params->osen) {
1945 struct wpa_bss_params bss_params;
1946
1947 os_memset(&bss_params, 0, sizeof(struct wpa_bss_params));
1948 bss_params.enabled = 1;
1949 bss_params.wpa = 2;
1950 bss_params.wpa_pairwise = WPA_CIPHER_CCMP;
1951 bss_params.wpa_group = WPA_CIPHER_CCMP;
1952 bss_params.ieee802_1x = 1;
1953
1954 if (atheros_set_privacy(priv, 1) ||
1955 set80211param(priv, IEEE80211_PARAM_OSEN, 1))
1956 return -1;
1957
1958 return atheros_set_ieee8021x(priv, &bss_params);
1959 }
1960 #endif /* CONFIG_HS20 && IEEE80211_PARAM_OSEN */
1961
1962 return 0;
1963 }
1964
1965
atheros_send_mgmt(void * priv,const u8 * frm,size_t data_len,int noack,unsigned int freq,const u16 * csa_offs,size_t csa_offs_len,int no_encrypt,unsigned int wait,int link_id)1966 static int atheros_send_mgmt(void *priv, const u8 *frm, size_t data_len,
1967 int noack, unsigned int freq,
1968 const u16 *csa_offs, size_t csa_offs_len,
1969 int no_encrypt, unsigned int wait, int link_id)
1970 {
1971 struct atheros_driver_data *drv = priv;
1972 u8 buf[1510];
1973 const struct ieee80211_mgmt *mgmt;
1974 struct ieee80211req_mgmtbuf *mgmt_frm;
1975
1976 mgmt = (const struct ieee80211_mgmt *) frm;
1977 wpa_printf(MSG_DEBUG, "%s frmlen = %lu " MACSTR, __func__,
1978 (unsigned long) data_len, MAC2STR(mgmt->da));
1979 mgmt_frm = (struct ieee80211req_mgmtbuf *) buf;
1980 os_memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN);
1981 mgmt_frm->buflen = data_len;
1982 if (&mgmt_frm->buf[0] + data_len > buf + sizeof(buf)) {
1983 wpa_printf(MSG_INFO, "atheros: Too long frame for "
1984 "atheros_send_mgmt (%u)", (unsigned int) data_len);
1985 return -1;
1986 }
1987 os_memcpy(&mgmt_frm->buf[0], frm, data_len);
1988 return set80211priv(drv, IEEE80211_IOCTL_SEND_MGMT, mgmt_frm,
1989 sizeof(struct ieee80211req_mgmtbuf) + data_len);
1990 }
1991
1992
1993 #ifdef CONFIG_IEEE80211R
1994
atheros_add_tspec(void * priv,const u8 * addr,u8 * tspec_ie,size_t tspec_ielen)1995 static int atheros_add_tspec(void *priv, const u8 *addr, u8 *tspec_ie,
1996 size_t tspec_ielen)
1997 {
1998 struct atheros_driver_data *drv = priv;
1999 int retv;
2000 struct ieee80211req_res req;
2001 struct ieee80211req_res_addts *addts = &req.u.addts;
2002
2003 wpa_printf(MSG_DEBUG, "%s", __func__);
2004 req.type = IEEE80211_RESREQ_ADDTS;
2005 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN);
2006 os_memcpy(addts->tspecie, tspec_ie, tspec_ielen);
2007 retv = set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req,
2008 sizeof(struct ieee80211req_res));
2009 if (retv < 0) {
2010 wpa_printf(MSG_DEBUG, "%s IEEE80211_IOCTL_RES_REQ FAILED "
2011 "retv = %d", __func__, retv);
2012 return -1;
2013 }
2014 os_memcpy(tspec_ie, addts->tspecie, tspec_ielen);
2015 return addts->status;
2016 }
2017
2018
atheros_add_sta_node(void * priv,const u8 * addr,u16 auth_alg)2019 static int atheros_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
2020 {
2021 struct atheros_driver_data *drv = priv;
2022 struct ieee80211req_res req;
2023 struct ieee80211req_res_addnode *addnode = &req.u.addnode;
2024
2025 wpa_printf(MSG_DEBUG, "%s", __func__);
2026 req.type = IEEE80211_RESREQ_ADDNODE;
2027 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN);
2028 addnode->auth_alg = auth_alg;
2029 return set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req,
2030 sizeof(struct ieee80211req_res));
2031 }
2032
2033 #endif /* CONFIG_IEEE80211R */
2034
2035
2036 /* Use only to set a big param, get will not work. */
2037 static int
set80211big(struct atheros_driver_data * drv,int op,const void * data,int len)2038 set80211big(struct atheros_driver_data *drv, int op, const void *data, int len)
2039 {
2040 struct iwreq iwr;
2041
2042 os_memset(&iwr, 0, sizeof(iwr));
2043 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
2044
2045 iwr.u.data.pointer = (void *) data;
2046 iwr.u.data.length = len;
2047 iwr.u.data.flags = op;
2048 wpa_printf(MSG_DEBUG, "%s: op=0x%x=%d (%s) len=0x%x",
2049 __func__, op, op, athr_get_param_name(op), len);
2050
2051 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) < 0) {
2052 wpa_printf(MSG_DEBUG, "%s: op=0x%x (%s) subop=0x%x=%d "
2053 "value=0x%x,0x%x failed: %d (%s)",
2054 __func__, op, athr_get_ioctl_name(op), iwr.u.mode,
2055 iwr.u.mode, iwr.u.data.length,
2056 iwr.u.data.flags, errno, strerror(errno));
2057 return -1;
2058 }
2059 return 0;
2060 }
2061
2062
atheros_send_action(void * priv,unsigned int freq,unsigned int wait,const u8 * dst,const u8 * src,const u8 * bssid,const u8 * data,size_t data_len,int no_cck)2063 static int atheros_send_action(void *priv, unsigned int freq,
2064 unsigned int wait,
2065 const u8 *dst, const u8 *src,
2066 const u8 *bssid,
2067 const u8 *data, size_t data_len, int no_cck)
2068 {
2069 struct atheros_driver_data *drv = priv;
2070 struct ieee80211_p2p_send_action *act;
2071 int res;
2072
2073 act = os_zalloc(sizeof(*act) + data_len);
2074 if (act == NULL)
2075 return -1;
2076 act->freq = freq;
2077 os_memcpy(act->dst_addr, dst, ETH_ALEN);
2078 os_memcpy(act->src_addr, src, ETH_ALEN);
2079 os_memcpy(act->bssid, bssid, ETH_ALEN);
2080 os_memcpy(act + 1, data, data_len);
2081 wpa_printf(MSG_DEBUG, "%s: freq=%d, wait=%u, dst=" MACSTR ", src="
2082 MACSTR ", bssid=" MACSTR,
2083 __func__, act->freq, wait, MAC2STR(act->dst_addr),
2084 MAC2STR(act->src_addr), MAC2STR(act->bssid));
2085 wpa_hexdump(MSG_MSGDUMP, "athr: act", (u8 *) act, sizeof(*act));
2086 wpa_hexdump(MSG_MSGDUMP, "athr: data", data, data_len);
2087
2088 res = set80211big(drv, IEEE80211_IOC_P2P_SEND_ACTION,
2089 act, sizeof(*act) + data_len);
2090 os_free(act);
2091 return res;
2092 }
2093
2094
2095 #if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM)
athr_wnm_tfs(struct atheros_driver_data * drv,const u8 * peer,u8 * ie,u16 * len,enum wnm_oper oper)2096 static int athr_wnm_tfs(struct atheros_driver_data *drv, const u8* peer,
2097 u8 *ie, u16 *len, enum wnm_oper oper)
2098 {
2099 #define IEEE80211_APPIE_MAX 1024 /* max appie buffer size */
2100 u8 buf[IEEE80211_APPIE_MAX];
2101 struct ieee80211req_getset_appiebuf *tfs_ie;
2102 u16 val;
2103
2104 wpa_printf(MSG_DEBUG, "atheros: ifname=%s, WNM TFS IE oper=%d " MACSTR,
2105 drv->iface, oper, MAC2STR(peer));
2106
2107 switch (oper) {
2108 case WNM_SLEEP_TFS_REQ_IE_SET:
2109 if (*len > IEEE80211_APPIE_MAX -
2110 sizeof(struct ieee80211req_getset_appiebuf)) {
2111 wpa_printf(MSG_DEBUG, "TFS Req IE(s) too large");
2112 return -1;
2113 }
2114 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2115 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2116 tfs_ie->app_buflen = ETH_ALEN + 2 + 2 + *len;
2117
2118 /* Command header for driver */
2119 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2120 val = oper;
2121 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2122 val = *len;
2123 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2124
2125 /* copy the ie */
2126 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2 + 2, ie, *len);
2127
2128 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie,
2129 IEEE80211_APPIE_MAX)) {
2130 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: "
2131 "%s", __func__, strerror(errno));
2132 return -1;
2133 }
2134 break;
2135 case WNM_SLEEP_TFS_RESP_IE_ADD:
2136 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2137 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2138 tfs_ie->app_buflen = IEEE80211_APPIE_MAX -
2139 sizeof(struct ieee80211req_getset_appiebuf);
2140 /* Command header for driver */
2141 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2142 val = oper;
2143 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2144 val = 0;
2145 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2146
2147 if (set80211priv(drv, IEEE80211_IOCTL_GET_APPIEBUF, tfs_ie,
2148 IEEE80211_APPIE_MAX)) {
2149 wpa_printf(MSG_DEBUG, "%s: Failed to get WNM TFS IE: "
2150 "%s", __func__, strerror(errno));
2151 return -1;
2152 }
2153
2154 *len = tfs_ie->app_buflen;
2155 os_memcpy(ie, &(tfs_ie->app_buf[0]), *len);
2156 wpa_printf(MSG_DEBUG, "atheros: %c len=%d", tfs_ie->app_buf[0],
2157 *len);
2158 break;
2159 case WNM_SLEEP_TFS_RESP_IE_NONE:
2160 *len = 0;
2161 break;
2162 case WNM_SLEEP_TFS_IE_DEL:
2163 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2164 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2165 tfs_ie->app_buflen = IEEE80211_APPIE_MAX -
2166 sizeof(struct ieee80211req_getset_appiebuf);
2167 /* Command header for driver */
2168 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2169 val = oper;
2170 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2171 val = 0;
2172 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2173
2174 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie,
2175 IEEE80211_APPIE_MAX)) {
2176 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: "
2177 "%s", __func__, strerror(errno));
2178 return -1;
2179 }
2180 break;
2181 default:
2182 wpa_printf(MSG_DEBUG, "Unsupported TFS oper %d", oper);
2183 break;
2184 }
2185
2186 return 0;
2187 }
2188
2189
atheros_wnm_sleep(struct atheros_driver_data * drv,const u8 * peer,enum wnm_oper oper)2190 static int atheros_wnm_sleep(struct atheros_driver_data *drv,
2191 const u8 *peer, enum wnm_oper oper)
2192 {
2193 u8 *data, *pos;
2194 size_t dlen;
2195 int ret;
2196 u16 val;
2197
2198 wpa_printf(MSG_DEBUG, "atheros: WNM-Sleep Oper %d, " MACSTR,
2199 oper, MAC2STR(peer));
2200
2201 dlen = ETH_ALEN + 2 + 2;
2202 data = os_malloc(dlen);
2203 if (data == NULL)
2204 return -1;
2205
2206 /* Command header for driver */
2207 pos = data;
2208 os_memcpy(pos, peer, ETH_ALEN);
2209 pos += ETH_ALEN;
2210
2211 val = oper;
2212 os_memcpy(pos, &val, 2);
2213 pos += 2;
2214
2215 val = 0;
2216 os_memcpy(pos, &val, 2);
2217
2218 ret = atheros_set_wps_ie(drv, data, dlen, IEEE80211_APPIE_FRAME_WNM);
2219
2220 os_free(data);
2221
2222 return ret;
2223 }
2224
2225
atheros_wnm_oper(void * priv,enum wnm_oper oper,const u8 * peer,u8 * buf,u16 * buf_len)2226 static int atheros_wnm_oper(void *priv, enum wnm_oper oper, const u8 *peer,
2227 u8 *buf, u16 *buf_len)
2228 {
2229 struct atheros_driver_data *drv = priv;
2230
2231 switch (oper) {
2232 case WNM_SLEEP_ENTER_CONFIRM:
2233 case WNM_SLEEP_ENTER_FAIL:
2234 case WNM_SLEEP_EXIT_CONFIRM:
2235 case WNM_SLEEP_EXIT_FAIL:
2236 return atheros_wnm_sleep(drv, peer, oper);
2237 case WNM_SLEEP_TFS_REQ_IE_SET:
2238 case WNM_SLEEP_TFS_RESP_IE_ADD:
2239 case WNM_SLEEP_TFS_RESP_IE_NONE:
2240 case WNM_SLEEP_TFS_IE_DEL:
2241 return athr_wnm_tfs(drv, peer, buf, buf_len, oper);
2242 default:
2243 wpa_printf(MSG_DEBUG, "atheros: Unsupported WNM operation %d",
2244 oper);
2245 return -1;
2246 }
2247 }
2248 #endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */
2249
2250
2251 const struct wpa_driver_ops wpa_driver_atheros_ops = {
2252 .name = "atheros",
2253 .hapd_init = atheros_init,
2254 .hapd_deinit = atheros_deinit,
2255 .set_ieee8021x = atheros_set_ieee8021x,
2256 .set_privacy = atheros_set_privacy,
2257 .set_key = atheros_set_key,
2258 .get_seqnum = atheros_get_seqnum,
2259 .flush = atheros_flush,
2260 .set_generic_elem = atheros_set_opt_ie,
2261 .sta_set_flags = atheros_sta_set_flags,
2262 .read_sta_data = atheros_read_sta_driver_data,
2263 .hapd_send_eapol = atheros_send_eapol,
2264 .sta_disassoc = atheros_sta_disassoc,
2265 .sta_deauth = atheros_sta_deauth,
2266 .hapd_set_ssid = atheros_set_ssid,
2267 .hapd_get_ssid = atheros_get_ssid,
2268 .set_countermeasures = atheros_set_countermeasures,
2269 .sta_clear_stats = atheros_sta_clear_stats,
2270 .commit = atheros_commit,
2271 .set_ap_wps_ie = atheros_set_ap_wps_ie,
2272 .set_authmode = atheros_set_authmode,
2273 .set_ap = atheros_set_ap,
2274 .sta_assoc = atheros_sta_assoc,
2275 .sta_auth = atheros_sta_auth,
2276 .send_mlme = atheros_send_mgmt,
2277 #ifdef CONFIG_IEEE80211R
2278 .add_tspec = atheros_add_tspec,
2279 .add_sta_node = atheros_add_sta_node,
2280 #endif /* CONFIG_IEEE80211R */
2281 .send_action = atheros_send_action,
2282 #if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM)
2283 .wnm_oper = atheros_wnm_oper,
2284 #endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */
2285 .set_qos_map = atheros_set_qos_map,
2286 };
2287