xref: /freebsd/contrib/wpa/src/drivers/driver_atheros.c (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
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 #include "p2p/p2p.h"
21 
22 #include "common.h"
23 #ifndef _BYTE_ORDER
24 #ifdef WORDS_BIGENDIAN
25 #define _BYTE_ORDER _BIG_ENDIAN
26 #else
27 #define _BYTE_ORDER _LITTLE_ENDIAN
28 #endif
29 #endif /* _BYTE_ORDER */
30 
31 /*
32  * Note, the ATH_WPS_IE setting must match with the driver build.. If the
33  * driver does not include this, the IEEE80211_IOCTL_GETWPAIE ioctl will fail.
34  */
35 #define ATH_WPS_IE
36 
37 #include "ieee80211_external.h"
38 
39 /* Avoid conflicting definition from the driver header files with
40  * common/wpa_common.h */
41 #undef WPA_OUI_TYPE
42 
43 
44 #ifdef CONFIG_WPS
45 #include <netpacket/packet.h>
46 #endif /* CONFIG_WPS */
47 
48 #ifndef ETH_P_80211_RAW
49 #define ETH_P_80211_RAW 0x0019
50 #endif
51 
52 #include "linux_wext.h"
53 
54 #include "driver.h"
55 #include "eloop.h"
56 #include "priv_netlink.h"
57 #include "l2_packet/l2_packet.h"
58 #include "common/ieee802_11_defs.h"
59 #include "netlink.h"
60 #include "linux_ioctl.h"
61 
62 
63 struct atheros_driver_data {
64 	struct hostapd_data *hapd;		/* back pointer */
65 
66 	char	iface[IFNAMSIZ + 1];
67 	int     ifindex;
68 	struct l2_packet_data *sock_xmit;	/* raw packet xmit socket */
69 	struct l2_packet_data *sock_recv;	/* raw packet recv socket */
70 	int	ioctl_sock;			/* socket for ioctl() use */
71 	struct netlink_data *netlink;
72 	int	we_version;
73 	int fils_en;			/* FILS enable/disable in driver */
74 	u8	acct_mac[ETH_ALEN];
75 	struct hostap_sta_driver_data acct_data;
76 
77 	struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
78 	struct wpabuf *wpa_ie;
79 	struct wpabuf *wps_beacon_ie;
80 	struct wpabuf *wps_probe_resp_ie;
81 	u8	own_addr[ETH_ALEN];
82 };
83 
84 static int atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
85 			      u16 reason_code);
86 static int atheros_set_privacy(void *priv, int enabled);
87 
88 static const char * athr_get_ioctl_name(int op)
89 {
90 	switch (op) {
91 	case IEEE80211_IOCTL_SETPARAM:
92 		return "SETPARAM";
93 	case IEEE80211_IOCTL_GETPARAM:
94 		return "GETPARAM";
95 	case IEEE80211_IOCTL_SETKEY:
96 		return "SETKEY";
97 	case IEEE80211_IOCTL_SETWMMPARAMS:
98 		return "SETWMMPARAMS";
99 	case IEEE80211_IOCTL_DELKEY:
100 		return "DELKEY";
101 	case IEEE80211_IOCTL_GETWMMPARAMS:
102 		return "GETWMMPARAMS";
103 	case IEEE80211_IOCTL_SETMLME:
104 		return "SETMLME";
105 	case IEEE80211_IOCTL_GETCHANINFO:
106 		return "GETCHANINFO";
107 	case IEEE80211_IOCTL_SETOPTIE:
108 		return "SETOPTIE";
109 	case IEEE80211_IOCTL_GETOPTIE:
110 		return "GETOPTIE";
111 	case IEEE80211_IOCTL_ADDMAC:
112 		return "ADDMAC";
113 	case IEEE80211_IOCTL_DELMAC:
114 		return "DELMAC";
115 	case IEEE80211_IOCTL_GETCHANLIST:
116 		return "GETCHANLIST";
117 	case IEEE80211_IOCTL_SETCHANLIST:
118 		return "SETCHANLIST";
119 	case IEEE80211_IOCTL_KICKMAC:
120 		return "KICKMAC";
121 	case IEEE80211_IOCTL_CHANSWITCH:
122 		return "CHANSWITCH";
123 	case IEEE80211_IOCTL_GETMODE:
124 		return "GETMODE";
125 	case IEEE80211_IOCTL_SETMODE:
126 		return "SETMODE";
127 	case IEEE80211_IOCTL_GET_APPIEBUF:
128 		return "GET_APPIEBUF";
129 	case IEEE80211_IOCTL_SET_APPIEBUF:
130 		return "SET_APPIEBUF";
131 	case IEEE80211_IOCTL_SET_ACPARAMS:
132 		return "SET_ACPARAMS";
133 	case IEEE80211_IOCTL_FILTERFRAME:
134 		return "FILTERFRAME";
135 	case IEEE80211_IOCTL_SET_RTPARAMS:
136 		return "SET_RTPARAMS";
137 	case IEEE80211_IOCTL_SET_MEDENYENTRY:
138 		return "SET_MEDENYENTRY";
139 	case IEEE80211_IOCTL_GET_MACADDR:
140 		return "GET_MACADDR";
141 	case IEEE80211_IOCTL_SET_HBRPARAMS:
142 		return "SET_HBRPARAMS";
143 	case IEEE80211_IOCTL_SET_RXTIMEOUT:
144 		return "SET_RXTIMEOUT";
145 	case IEEE80211_IOCTL_STA_STATS:
146 		return "STA_STATS";
147 	case IEEE80211_IOCTL_GETWPAIE:
148 		return "GETWPAIE";
149 	default:
150 		return "??";
151 	}
152 }
153 
154 
155 static const char * athr_get_param_name(int op)
156 {
157 	switch (op) {
158 	case IEEE80211_IOC_MCASTCIPHER:
159 		return "MCASTCIPHER";
160 	case IEEE80211_PARAM_MCASTKEYLEN:
161 		return "MCASTKEYLEN";
162 	case IEEE80211_PARAM_UCASTCIPHERS:
163 		return "UCASTCIPHERS";
164 	case IEEE80211_PARAM_KEYMGTALGS:
165 		return "KEYMGTALGS";
166 	case IEEE80211_PARAM_RSNCAPS:
167 		return "RSNCAPS";
168 	case IEEE80211_PARAM_WPA:
169 		return "WPA";
170 	case IEEE80211_PARAM_AUTHMODE:
171 		return "AUTHMODE";
172 	case IEEE80211_PARAM_PRIVACY:
173 		return "PRIVACY";
174 	case IEEE80211_PARAM_COUNTERMEASURES:
175 		return "COUNTERMEASURES";
176 	default:
177 		return "??";
178 	}
179 }
180 
181 
182 #ifdef CONFIG_FILS
183 static int
184 get80211param(struct atheros_driver_data *drv, int op, int *data)
185 {
186 	struct iwreq iwr;
187 
188 	os_memset(&iwr, 0, sizeof(iwr));
189 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
190 	iwr.u.mode = op;
191 
192 	if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_GETPARAM, &iwr) < 0)
193 		return -1;
194 
195 	*data = iwr.u.mode;
196 	return 0;
197 }
198 #endif /* CONFIG_FILS */
199 
200 
201 static int
202 set80211priv(struct atheros_driver_data *drv, int op, void *data, int len)
203 {
204 	struct iwreq iwr;
205 	int do_inline = len < IFNAMSIZ;
206 
207 	/* Certain ioctls must use the non-inlined method */
208 	if (op == IEEE80211_IOCTL_SET_APPIEBUF ||
209 	    op == IEEE80211_IOCTL_FILTERFRAME)
210 		do_inline = 0;
211 
212 	os_memset(&iwr, 0, sizeof(iwr));
213 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
214 	if (do_inline) {
215 		/*
216 		 * Argument data fits inline; put it there.
217 		 */
218 		os_memcpy(iwr.u.name, data, len);
219 	} else {
220 		/*
221 		 * Argument data too big for inline transfer; setup a
222 		 * parameter block instead; the kernel will transfer
223 		 * the data for the driver.
224 		 */
225 		iwr.u.data.pointer = data;
226 		iwr.u.data.length = len;
227 	}
228 
229 	if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
230 		wpa_printf(MSG_DEBUG, "atheros: %s: %s: ioctl op=0x%x "
231 			   "(%s) len=%d failed: %d (%s)",
232 			   __func__, drv->iface, op,
233 			   athr_get_ioctl_name(op),
234 			   len, errno, strerror(errno));
235 		return -1;
236 	}
237 	return 0;
238 }
239 
240 static int
241 set80211param(struct atheros_driver_data *drv, int op, int arg)
242 {
243 	struct iwreq iwr;
244 
245 	os_memset(&iwr, 0, sizeof(iwr));
246 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
247 	iwr.u.mode = op;
248 	os_memcpy(iwr.u.name + sizeof(__u32), &arg, sizeof(arg));
249 
250 	if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
251 		wpa_printf(MSG_INFO,
252 			   "%s: %s: Failed to set parameter (op %d (%s) arg %d): ioctl[IEEE80211_IOCTL_SETPARAM]: %s",
253 			   __func__, drv->iface, op, athr_get_param_name(op),
254 			   arg, strerror(errno));
255 		return -1;
256 	}
257 	return 0;
258 }
259 
260 #ifndef CONFIG_NO_STDOUT_DEBUG
261 static const char *
262 ether_sprintf(const u8 *addr)
263 {
264 	static char buf[sizeof(MACSTR)];
265 
266 	if (addr != NULL)
267 		os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
268 	else
269 		os_snprintf(buf, sizeof(buf), MACSTR, 0, 0, 0, 0, 0, 0);
270 	return buf;
271 }
272 #endif /* CONFIG_NO_STDOUT_DEBUG */
273 
274 /*
275  * Configure WPA parameters.
276  */
277 static int
278 atheros_configure_wpa(struct atheros_driver_data *drv,
279 		      struct wpa_bss_params *params)
280 {
281 	int v;
282 
283 	switch (params->wpa_group) {
284 	case WPA_CIPHER_CCMP:
285 		v = IEEE80211_CIPHER_AES_CCM;
286 		break;
287 #ifdef ATH_GCM_SUPPORT
288 	case WPA_CIPHER_CCMP_256:
289 		v = IEEE80211_CIPHER_AES_CCM_256;
290 		break;
291 	case WPA_CIPHER_GCMP:
292 		v = IEEE80211_CIPHER_AES_GCM;
293 		break;
294 	case WPA_CIPHER_GCMP_256:
295 		v = IEEE80211_CIPHER_AES_GCM_256;
296 		break;
297 #endif /* ATH_GCM_SUPPORT */
298 	case WPA_CIPHER_TKIP:
299 		v = IEEE80211_CIPHER_TKIP;
300 		break;
301 	case WPA_CIPHER_WEP104:
302 		v = IEEE80211_CIPHER_WEP;
303 		break;
304 	case WPA_CIPHER_WEP40:
305 		v = IEEE80211_CIPHER_WEP;
306 		break;
307 	case WPA_CIPHER_NONE:
308 		v = IEEE80211_CIPHER_NONE;
309 		break;
310 	default:
311 		wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
312 			   params->wpa_group);
313 		return -1;
314 	}
315 	wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
316 	if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
317 		wpa_printf(MSG_INFO, "Unable to set group key cipher to %u", v);
318 		return -1;
319 	}
320 	if (v == IEEE80211_CIPHER_WEP) {
321 		/* key length is done only for specific ciphers */
322 		v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
323 		if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
324 			wpa_printf(MSG_INFO,
325 				   "Unable to set group key length to %u", v);
326 			return -1;
327 		}
328 	}
329 
330 	v = 0;
331 	if (params->wpa_pairwise & WPA_CIPHER_CCMP)
332 		v |= 1<<IEEE80211_CIPHER_AES_CCM;
333 #ifdef ATH_GCM_SUPPORT
334 	if (params->wpa_pairwise & WPA_CIPHER_CCMP_256)
335 		v |= 1<<IEEE80211_CIPHER_AES_CCM_256;
336 	if (params->wpa_pairwise & WPA_CIPHER_GCMP)
337 		v |= 1<<IEEE80211_CIPHER_AES_GCM;
338 	if (params->wpa_pairwise & WPA_CIPHER_GCMP_256)
339 		v |= 1<<IEEE80211_CIPHER_AES_GCM_256;
340 #endif /* ATH_GCM_SUPPORT */
341 	if (params->wpa_pairwise & WPA_CIPHER_TKIP)
342 		v |= 1<<IEEE80211_CIPHER_TKIP;
343 	if (params->wpa_pairwise & WPA_CIPHER_NONE)
344 		v |= 1<<IEEE80211_CIPHER_NONE;
345 	wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
346 	if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
347 		wpa_printf(MSG_INFO,
348 			   "Unable to set pairwise key ciphers to 0x%x", v);
349 		return -1;
350 	}
351 
352 	wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
353 		   __func__, params->wpa_key_mgmt);
354 	if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
355 			  params->wpa_key_mgmt)) {
356 		wpa_printf(MSG_INFO,
357 			   "Unable to set key management algorithms to 0x%x",
358 			   params->wpa_key_mgmt);
359 		return -1;
360 	}
361 
362 	v = 0;
363 	if (params->rsn_preauth)
364 		v |= BIT(0);
365 	if (params->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
366 		v |= BIT(7);
367 		if (params->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED)
368 			v |= BIT(6);
369 	}
370 
371 	wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", __func__, v);
372 	if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
373 		wpa_printf(MSG_INFO, "Unable to set RSN capabilities to 0x%x",
374 			   v);
375 		return -1;
376 	}
377 
378 	wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
379 	if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
380 		wpa_printf(MSG_INFO, "Unable to set WPA to %u", params->wpa);
381 		return -1;
382 	}
383 	return 0;
384 }
385 
386 static int
387 atheros_set_ieee8021x(void *priv, struct wpa_bss_params *params)
388 {
389 	struct atheros_driver_data *drv = priv;
390 
391 	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
392 
393 	if (!params->enabled) {
394 		/* XXX restore state */
395 		if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
396 				  IEEE80211_AUTH_AUTO) < 0)
397 			return -1;
398 		/* IEEE80211_AUTH_AUTO ends up enabling Privacy; clear that */
399 		return atheros_set_privacy(drv, 0);
400 	}
401 	if (!params->wpa && !params->ieee802_1x) {
402 		wpa_printf(MSG_WARNING, "No 802.1X or WPA enabled!");
403 		return -1;
404 	}
405 	if (params->wpa && atheros_configure_wpa(drv, params) != 0) {
406 		wpa_printf(MSG_WARNING, "Error configuring WPA state!");
407 		return -1;
408 	}
409 	if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
410 		(params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
411 		wpa_printf(MSG_WARNING, "Error enabling WPA/802.1X!");
412 		return -1;
413 	}
414 
415 	return 0;
416 }
417 
418 static int
419 atheros_set_privacy(void *priv, int enabled)
420 {
421 	struct atheros_driver_data *drv = priv;
422 
423 	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
424 
425 	return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
426 }
427 
428 static int
429 atheros_set_sta_authorized(void *priv, const u8 *addr, int authorized)
430 {
431 	struct atheros_driver_data *drv = priv;
432 	struct ieee80211req_mlme mlme;
433 	int ret;
434 
435 	wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
436 		   __func__, ether_sprintf(addr), authorized);
437 
438 	if (authorized)
439 		mlme.im_op = IEEE80211_MLME_AUTHORIZE;
440 	else
441 		mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
442 	mlme.im_reason = 0;
443 	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
444 	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
445 	if (ret < 0) {
446 		wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
447 			   __func__, authorized ? "" : "un", MAC2STR(addr));
448 	}
449 
450 	return ret;
451 }
452 
453 static int
454 atheros_sta_set_flags(void *priv, const u8 *addr,
455 		      unsigned int total_flags, unsigned int flags_or,
456 		      unsigned int flags_and)
457 {
458 	/* For now, only support setting Authorized flag */
459 	if (flags_or & WPA_STA_AUTHORIZED)
460 		return atheros_set_sta_authorized(priv, addr, 1);
461 	if (!(flags_and & WPA_STA_AUTHORIZED))
462 		return atheros_set_sta_authorized(priv, addr, 0);
463 	return 0;
464 }
465 
466 static int
467 atheros_del_key(void *priv, const u8 *addr, int key_idx)
468 {
469 	struct atheros_driver_data *drv = priv;
470 	struct ieee80211req_del_key wk;
471 	int ret;
472 
473 	wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
474 		   __func__, ether_sprintf(addr), key_idx);
475 
476 	os_memset(&wk, 0, sizeof(wk));
477 	if (addr != NULL) {
478 		os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
479 		wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
480 	} else {
481 		wk.idk_keyix = key_idx;
482 	}
483 
484 	ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
485 	if (ret < 0) {
486 		wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
487 			   " key_idx %d)", __func__, ether_sprintf(addr),
488 			   key_idx);
489 	}
490 
491 	return ret;
492 }
493 
494 static int
495 atheros_set_key(void *priv, struct wpa_driver_set_key_params *params)
496 {
497 	struct atheros_driver_data *drv = priv;
498 	struct ieee80211req_key wk;
499 	u_int8_t cipher;
500 	int ret;
501 	enum wpa_alg alg = params->alg;
502 	const u8 *addr = params->addr;
503 	int key_idx = params->key_idx;
504 	int set_tx = params->set_tx;
505 	const u8 *key = params->key;
506 	size_t key_len = params->key_len;
507 
508 	if (alg == WPA_ALG_NONE)
509 		return atheros_del_key(drv, addr, key_idx);
510 
511 	wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
512 		   __func__, alg, ether_sprintf(addr), key_idx);
513 
514 	switch (alg) {
515 	case WPA_ALG_WEP:
516 		cipher = IEEE80211_CIPHER_WEP;
517 		break;
518 	case WPA_ALG_TKIP:
519 		cipher = IEEE80211_CIPHER_TKIP;
520 		break;
521 	case WPA_ALG_CCMP:
522 		cipher = IEEE80211_CIPHER_AES_CCM;
523 		break;
524 #ifdef ATH_GCM_SUPPORT
525 	case WPA_ALG_CCMP_256:
526 		cipher = IEEE80211_CIPHER_AES_CCM_256;
527 		break;
528 	case WPA_ALG_GCMP:
529 		cipher = IEEE80211_CIPHER_AES_GCM;
530 		break;
531 	case WPA_ALG_GCMP_256:
532 		cipher = IEEE80211_CIPHER_AES_GCM_256;
533 		break;
534 #endif /* ATH_GCM_SUPPORT */
535 	case WPA_ALG_BIP_CMAC_128:
536 		cipher = IEEE80211_CIPHER_AES_CMAC;
537 		break;
538 #ifdef ATH_GCM_SUPPORT
539 	case WPA_ALG_BIP_CMAC_256:
540 		cipher = IEEE80211_CIPHER_AES_CMAC_256;
541 		break;
542 	case WPA_ALG_BIP_GMAC_128:
543 		cipher = IEEE80211_CIPHER_AES_GMAC;
544 		break;
545 	case WPA_ALG_BIP_GMAC_256:
546 		cipher = IEEE80211_CIPHER_AES_GMAC_256;
547 		break;
548 #endif /* ATH_GCM_SUPPORT */
549 	default:
550 		wpa_printf(MSG_INFO, "%s: unknown/unsupported algorithm %d",
551 			   __func__, alg);
552 		return -1;
553 	}
554 
555 	if (key_len > sizeof(wk.ik_keydata)) {
556 		wpa_printf(MSG_INFO, "%s: key length %lu too big", __func__,
557 			   (unsigned long) key_len);
558 		return -3;
559 	}
560 
561 	os_memset(&wk, 0, sizeof(wk));
562 	wk.ik_type = cipher;
563 	wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
564 	if (addr == NULL || is_broadcast_ether_addr(addr)) {
565 		os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
566 		wk.ik_keyix = key_idx;
567 		if (set_tx)
568 			wk.ik_flags |= IEEE80211_KEY_DEFAULT;
569 	} else {
570 		os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
571 		wk.ik_keyix = IEEE80211_KEYIX_NONE;
572 	}
573 	wk.ik_keylen = key_len;
574 	os_memcpy(wk.ik_keydata, key, key_len);
575 
576 	ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
577 	if (ret < 0) {
578 		wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
579 			   " key_idx %d alg %d key_len %lu set_tx %d)",
580 			   __func__, ether_sprintf(wk.ik_macaddr), key_idx,
581 			   alg, (unsigned long) key_len, set_tx);
582 	}
583 
584 	return ret;
585 }
586 
587 
588 static int
589 atheros_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
590 		   u8 *seq)
591 {
592 	struct atheros_driver_data *drv = priv;
593 	struct ieee80211req_key wk;
594 
595 	wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
596 		   __func__, ether_sprintf(addr), idx);
597 
598 	os_memset(&wk, 0, sizeof(wk));
599 	if (addr == NULL)
600 		os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
601 	else
602 		os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
603 	wk.ik_keyix = idx;
604 
605 	if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
606 		wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
607 			   "(addr " MACSTR " key_idx %d)",
608 			   __func__, MAC2STR(wk.ik_macaddr), idx);
609 		return -1;
610 	}
611 
612 #ifdef WORDS_BIGENDIAN
613 	{
614 		/*
615 		 * wk.ik_keytsc is in host byte order (big endian), need to
616 		 * swap it to match with the byte order used in WPA.
617 		 */
618 		int i;
619 #ifndef WPA_KEY_RSC_LEN
620 #define WPA_KEY_RSC_LEN 8
621 #endif
622 		u8 tmp[WPA_KEY_RSC_LEN];
623 		os_memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
624 		for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
625 			seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
626 		}
627 	}
628 #else /* WORDS_BIGENDIAN */
629 	os_memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
630 #endif /* WORDS_BIGENDIAN */
631 	return 0;
632 }
633 
634 
635 static int
636 atheros_flush(void *priv)
637 {
638 	u8 allsta[IEEE80211_ADDR_LEN];
639 	os_memset(allsta, 0xff, IEEE80211_ADDR_LEN);
640 	return atheros_sta_deauth(priv, NULL, allsta,
641 				  IEEE80211_REASON_AUTH_LEAVE);
642 }
643 
644 
645 static int
646 atheros_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
647 			     const u8 *addr)
648 {
649 	struct atheros_driver_data *drv = priv;
650 	struct ieee80211req_sta_stats stats;
651 
652 	os_memset(data, 0, sizeof(*data));
653 
654 	/*
655 	 * Fetch statistics for station from the system.
656 	 */
657 	os_memset(&stats, 0, sizeof(stats));
658 	os_memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
659 	if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS,
660 			 &stats, sizeof(stats))) {
661 		wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
662 			   MACSTR ")", __func__, MAC2STR(addr));
663 		if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
664 			os_memcpy(data, &drv->acct_data, sizeof(*data));
665 			return 0;
666 		}
667 
668 		wpa_printf(MSG_INFO,
669 			   "Failed to get station stats information element");
670 		return -1;
671 	}
672 
673 	data->rx_packets = stats.is_stats.ns_rx_data;
674 	data->rx_bytes = stats.is_stats.ns_rx_bytes;
675 	data->tx_packets = stats.is_stats.ns_tx_data;
676 	data->tx_bytes = stats.is_stats.ns_tx_bytes;
677 	return 0;
678 }
679 
680 
681 static int
682 atheros_sta_clear_stats(void *priv, const u8 *addr)
683 {
684 	struct atheros_driver_data *drv = priv;
685 	struct ieee80211req_mlme mlme;
686 	int ret;
687 
688 	wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
689 
690 	mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
691 	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
692 	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
693 			   sizeof(mlme));
694 	if (ret < 0) {
695 		wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
696 			   MACSTR ")", __func__, MAC2STR(addr));
697 	}
698 
699 	return ret;
700 }
701 
702 
703 static int
704 atheros_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
705 {
706 	struct atheros_driver_data *drv = priv;
707 	u8 buf[512];
708 	struct ieee80211req_getset_appiebuf *app_ie;
709 
710 	wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
711 		   (unsigned long) ie_len);
712 	wpa_hexdump(MSG_DEBUG, "atheros: set_generic_elem", ie, ie_len);
713 
714 	wpabuf_free(drv->wpa_ie);
715 	if (ie)
716 		drv->wpa_ie = wpabuf_alloc_copy(ie, ie_len);
717 	else
718 		drv->wpa_ie = NULL;
719 
720 	app_ie = (struct ieee80211req_getset_appiebuf *) buf;
721 	if (ie)
722 		os_memcpy(&(app_ie->app_buf[0]), ie, ie_len);
723 	app_ie->app_buflen = ie_len;
724 
725 	app_ie->app_frmtype = IEEE80211_APPIE_FRAME_BEACON;
726 
727 	/* append WPS IE for Beacon */
728 	if (drv->wps_beacon_ie != NULL) {
729 		os_memcpy(&(app_ie->app_buf[ie_len]),
730 			  wpabuf_head(drv->wps_beacon_ie),
731 			  wpabuf_len(drv->wps_beacon_ie));
732 		app_ie->app_buflen = ie_len + wpabuf_len(drv->wps_beacon_ie);
733 	}
734 	wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(Beacon)",
735 		    app_ie->app_buf, app_ie->app_buflen);
736 	set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
737 		     sizeof(struct ieee80211req_getset_appiebuf) +
738 		     app_ie->app_buflen);
739 
740 	/* append WPS IE for Probe Response */
741 	app_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_RESP;
742 	if (drv->wps_probe_resp_ie != NULL) {
743 		os_memcpy(&(app_ie->app_buf[ie_len]),
744 			  wpabuf_head(drv->wps_probe_resp_ie),
745 			  wpabuf_len(drv->wps_probe_resp_ie));
746 		app_ie->app_buflen = ie_len +
747 			wpabuf_len(drv->wps_probe_resp_ie);
748 	} else
749 		app_ie->app_buflen = ie_len;
750 	wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(ProbeResp)",
751 		    app_ie->app_buf, app_ie->app_buflen);
752 	set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
753 		     sizeof(struct ieee80211req_getset_appiebuf) +
754 		     app_ie->app_buflen);
755 	return 0;
756 }
757 
758 static int
759 atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
760 		   u16 reason_code)
761 {
762 	struct atheros_driver_data *drv = priv;
763 	struct ieee80211req_mlme mlme;
764 	int ret;
765 
766 	wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
767 		   __func__, ether_sprintf(addr), reason_code);
768 
769 	mlme.im_op = IEEE80211_MLME_DEAUTH;
770 	mlme.im_reason = reason_code;
771 	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
772 	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
773 	if (ret < 0) {
774 		wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
775 			   " reason %d)",
776 			   __func__, MAC2STR(addr), reason_code);
777 	}
778 
779 	return ret;
780 }
781 
782 static int
783 atheros_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
784 		     u16 reason_code)
785 {
786 	struct atheros_driver_data *drv = priv;
787 	struct ieee80211req_mlme mlme;
788 	int ret;
789 
790 	wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
791 		   __func__, ether_sprintf(addr), reason_code);
792 
793 	mlme.im_op = IEEE80211_MLME_DISASSOC;
794 	mlme.im_reason = reason_code;
795 	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
796 	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
797 	if (ret < 0) {
798 		wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
799 			   MACSTR " reason %d)",
800 			   __func__, MAC2STR(addr), reason_code);
801 	}
802 
803 	return ret;
804 }
805 
806 static int atheros_set_qos_map(void *ctx, const u8 *qos_map_set,
807 			       u8 qos_map_set_len)
808 {
809 #ifdef CONFIG_ATHEROS_QOS_MAP
810 	struct atheros_driver_data *drv = ctx;
811 	struct ieee80211req_athdbg req;
812 	struct ieee80211_qos_map *qos_map = &req.data.qos_map;
813 	struct iwreq iwr;
814 	int i, up_start;
815 
816 	if (qos_map_set_len < 16 || qos_map_set_len > 58 ||
817 	    qos_map_set_len & 1) {
818 		wpa_printf(MSG_ERROR, "Invalid QoS Map");
819 		return -1;
820 	} else {
821 		os_memset(&req, 0, sizeof(struct ieee80211req_athdbg));
822 		req.cmd = IEEE80211_DBGREQ_SETQOSMAPCONF;
823 		os_memset(&iwr, 0, sizeof(iwr));
824 		os_strlcpy(iwr.ifr_name, drv->iface, sizeof(iwr.ifr_name));
825 		iwr.u.data.pointer = (void *) &req;
826 		iwr.u.data.length = sizeof(struct ieee80211req_athdbg);
827 	}
828 
829 	qos_map->valid = 1;
830 	qos_map->num_dscp_except = (qos_map_set_len - 16) / 2;
831 	if (qos_map->num_dscp_except) {
832 		for (i = 0; i < qos_map->num_dscp_except; i++) {
833 			qos_map->dscp_exception[i].dscp	= qos_map_set[i * 2];
834 			qos_map->dscp_exception[i].up =	qos_map_set[i * 2 + 1];
835 		}
836 	}
837 
838 	up_start = qos_map_set_len - 16;
839 	for (i = 0; i < IEEE80211_MAX_QOS_UP_RANGE; i++) {
840 		qos_map->up[i].low = qos_map_set[up_start + (i * 2)];
841 		qos_map->up[i].high = qos_map_set[up_start + (i * 2) + 1];
842 	}
843 
844 	if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_DBGREQ, &iwr) < 0) {
845 		wpa_printf(MSG_ERROR,
846 			   "%s: %s: Failed to set QoS Map: ioctl[IEEE80211_IOCTL_DBGREQ]: %s",
847 			   __func__, drv->iface, strerror(errno));
848 		return -1;
849 	}
850 #endif /* CONFIG_ATHEROS_QOS_MAP */
851 
852 	return 0;
853 }
854 
855 
856 static void atheros_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
857 				size_t len)
858 {
859 	struct atheros_driver_data *drv = ctx;
860 	const struct ieee80211_mgmt *mgmt;
861 	union wpa_event_data event;
862 	u16 fc, stype;
863 	int ielen;
864 	const u8 *iebuf;
865 
866 	if (len < IEEE80211_HDRLEN)
867 		return;
868 
869 	mgmt = (const struct ieee80211_mgmt *) buf;
870 
871 	fc = le_to_host16(mgmt->frame_control);
872 
873 	if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT)
874 		return;
875 
876 	stype = WLAN_FC_GET_STYPE(fc);
877 
878 	wpa_printf(MSG_DEBUG, "%s: subtype 0x%x len %d", __func__, stype,
879 		   (int) len);
880 
881 	if (stype == WLAN_FC_STYPE_PROBE_REQ) {
882 		if (len < IEEE80211_HDRLEN)
883 			return;
884 
885 		os_memset(&event, 0, sizeof(event));
886 		event.rx_probe_req.sa = mgmt->sa;
887 		event.rx_probe_req.da = mgmt->da;
888 		event.rx_probe_req.bssid = mgmt->bssid;
889 		event.rx_probe_req.ie = buf + IEEE80211_HDRLEN;
890 		event.rx_probe_req.ie_len = len - IEEE80211_HDRLEN;
891 		wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
892 		return;
893 	}
894 
895 	if (stype == WLAN_FC_STYPE_ACTION &&
896 	    (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) == 0 ||
897 	     is_broadcast_ether_addr(mgmt->bssid))) {
898 		os_memset(&event, 0, sizeof(event));
899 		event.rx_mgmt.frame = buf;
900 		event.rx_mgmt.frame_len = len;
901 		wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
902 		return;
903 	}
904 
905 	if (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) != 0) {
906 		wpa_printf(MSG_DEBUG, "%s: BSSID does not match - ignore",
907 			   __func__);
908 		return;
909 	}
910 
911 	switch (stype) {
912 	case WLAN_FC_STYPE_ASSOC_REQ:
913 		if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req))
914 			break;
915 		ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req));
916 		iebuf = mgmt->u.assoc_req.variable;
917 		drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 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, 1);
925 		break;
926 	case WLAN_FC_STYPE_AUTH:
927 		if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth))
928 			break;
929 		os_memset(&event, 0, sizeof(event));
930 		if (le_to_host16(mgmt->u.auth.auth_alg) == WLAN_AUTH_SAE) {
931 			event.rx_mgmt.frame = buf;
932 			event.rx_mgmt.frame_len = len;
933 			wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
934 			break;
935 		}
936 		os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
937 		os_memcpy(event.auth.bssid, mgmt->bssid, ETH_ALEN);
938 		event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
939 		event.auth.status_code =
940 			le_to_host16(mgmt->u.auth.status_code);
941 		event.auth.auth_transaction =
942 			le_to_host16(mgmt->u.auth.auth_transaction);
943 		event.auth.ies = mgmt->u.auth.variable;
944 		event.auth.ies_len = len - IEEE80211_HDRLEN -
945 			sizeof(mgmt->u.auth);
946 		wpa_supplicant_event(drv->hapd, EVENT_AUTH, &event);
947 		break;
948 	default:
949 		break;
950 	}
951 }
952 
953 
954 static int atheros_receive_pkt(struct atheros_driver_data *drv)
955 {
956 	int ret = 0;
957 	struct ieee80211req_set_filter filt;
958 
959 	wpa_printf(MSG_DEBUG, "%s Enter", __func__);
960 	filt.app_filterype = 0;
961 #ifdef CONFIG_WPS
962 	filt.app_filterype |= IEEE80211_FILTER_TYPE_PROBE_REQ;
963 #endif /* CONFIG_WPS */
964 	filt.app_filterype |= (IEEE80211_FILTER_TYPE_ASSOC_REQ |
965 			       IEEE80211_FILTER_TYPE_AUTH |
966 			       IEEE80211_FILTER_TYPE_ACTION);
967 #ifdef CONFIG_WNM
968 	filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION;
969 #endif /* CONFIG_WNM */
970 #ifdef CONFIG_HS20
971 	filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION;
972 #endif /* CONFIG_HS20 */
973 	if (filt.app_filterype) {
974 		ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
975 				   sizeof(struct ieee80211req_set_filter));
976 		if (ret)
977 			return ret;
978 	}
979 
980 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) || defined(CONFIG_FILS)
981 	drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
982 				       atheros_raw_receive, drv, 1);
983 	if (drv->sock_raw == NULL)
984 		return -1;
985 #endif /* CONFIG_WPS || CONFIG_IEEE80211R || CONFIG_FILS */
986 	return ret;
987 }
988 
989 static int atheros_reset_appfilter(struct atheros_driver_data *drv)
990 {
991 	struct ieee80211req_set_filter filt;
992 	filt.app_filterype = 0;
993 	return set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
994 			    sizeof(struct ieee80211req_set_filter));
995 }
996 
997 #ifdef CONFIG_WPS
998 static int
999 atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
1000 {
1001 	struct atheros_driver_data *drv = priv;
1002 	u8 buf[512];
1003 	struct ieee80211req_getset_appiebuf *beac_ie;
1004 
1005 	wpa_printf(MSG_DEBUG, "%s buflen = %lu frametype=%u", __func__,
1006 		   (unsigned long) len, frametype);
1007 	wpa_hexdump(MSG_DEBUG, "atheros: IE", ie, len);
1008 
1009 	beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
1010 	beac_ie->app_frmtype = frametype;
1011 	beac_ie->app_buflen = len;
1012 	if (ie)
1013 		os_memcpy(&(beac_ie->app_buf[0]), ie, len);
1014 
1015 	/* append the WPA/RSN IE if it is set already */
1016 	if (((frametype == IEEE80211_APPIE_FRAME_BEACON) ||
1017 	     (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) &&
1018 	    (drv->wpa_ie != NULL)) {
1019 		wpa_hexdump_buf(MSG_DEBUG, "atheros: Append WPA/RSN IE",
1020 				drv->wpa_ie);
1021 		os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie),
1022 			  wpabuf_len(drv->wpa_ie));
1023 		beac_ie->app_buflen += wpabuf_len(drv->wpa_ie);
1024 	}
1025 
1026 	wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF",
1027 		    beac_ie->app_buf, beac_ie->app_buflen);
1028 	return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
1029 			    sizeof(struct ieee80211req_getset_appiebuf) +
1030 			    beac_ie->app_buflen);
1031 }
1032 
1033 static int
1034 atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
1035 		      const struct wpabuf *proberesp,
1036 		      const struct wpabuf *assocresp)
1037 {
1038 	struct atheros_driver_data *drv = priv;
1039 
1040 	wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - beacon", beacon);
1041 	wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - proberesp",
1042 			proberesp);
1043 	wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - assocresp",
1044 			assocresp);
1045 	wpabuf_free(drv->wps_beacon_ie);
1046 	drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL;
1047 	wpabuf_free(drv->wps_probe_resp_ie);
1048 	drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL;
1049 
1050 	atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL,
1051 			   assocresp ? wpabuf_len(assocresp) : 0,
1052 			   IEEE80211_APPIE_FRAME_ASSOC_RESP);
1053 	if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
1054 			       beacon ? wpabuf_len(beacon) : 0,
1055 			       IEEE80211_APPIE_FRAME_BEACON))
1056 		return -1;
1057 	return atheros_set_wps_ie(priv,
1058 				  proberesp ? wpabuf_head(proberesp) : NULL,
1059 				  proberesp ? wpabuf_len(proberesp): 0,
1060 				  IEEE80211_APPIE_FRAME_PROBE_RESP);
1061 }
1062 #else /* CONFIG_WPS */
1063 #define atheros_set_ap_wps_ie NULL
1064 #endif /* CONFIG_WPS */
1065 
1066 static int
1067 atheros_sta_auth(void *priv, struct wpa_driver_sta_auth_params *params)
1068 {
1069 	struct atheros_driver_data *drv = priv;
1070 	struct ieee80211req_mlme mlme;
1071 	int ret;
1072 
1073 	wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d",
1074 		   __func__, ether_sprintf(params->addr), params->status);
1075 
1076 #ifdef CONFIG_FILS
1077 	/* Copy FILS AAD parameters if the driver supports FILS */
1078 	if (params->fils_auth && drv->fils_en) {
1079 		wpa_printf(MSG_DEBUG, "%s: im_op IEEE80211_MLME_AUTH_FILS",
1080 			   __func__);
1081 		os_memcpy(mlme.fils_aad.ANonce, params->fils_anonce,
1082 			  IEEE80211_FILS_NONCE_LEN);
1083 		os_memcpy(mlme.fils_aad.SNonce, params->fils_snonce,
1084 			  IEEE80211_FILS_NONCE_LEN);
1085 		os_memcpy(mlme.fils_aad.kek, params->fils_kek,
1086 			  IEEE80211_MAX_WPA_KEK_LEN);
1087 		mlme.fils_aad.kek_len = params->fils_kek_len;
1088 		mlme.im_op = IEEE80211_MLME_AUTH_FILS;
1089 		wpa_hexdump(MSG_DEBUG, "FILS: ANonce",
1090 			    mlme.fils_aad.ANonce, FILS_NONCE_LEN);
1091 		wpa_hexdump(MSG_DEBUG, "FILS: SNonce",
1092 			    mlme.fils_aad.SNonce, FILS_NONCE_LEN);
1093 		wpa_hexdump_key(MSG_DEBUG, "FILS: KEK",
1094 				mlme.fils_aad.kek, mlme.fils_aad.kek_len);
1095 	} else {
1096 		mlme.im_op = IEEE80211_MLME_AUTH;
1097 	}
1098 #else /* CONFIG_FILS */
1099 	mlme.im_op = IEEE80211_MLME_AUTH;
1100 #endif /* CONFIG_FILS */
1101 
1102 	mlme.im_reason = params->status;
1103 	mlme.im_seq = params->seq;
1104 	os_memcpy(mlme.im_macaddr, params->addr, IEEE80211_ADDR_LEN);
1105 	mlme.im_optie_len = params->len;
1106 	if (params->len) {
1107 		if (params->len < IEEE80211_MAX_OPT_IE) {
1108 			os_memcpy(mlme.im_optie, params->ie, params->len);
1109 		} else {
1110 			wpa_printf(MSG_DEBUG, "%s: Not enough space to copy "
1111 				   "opt_ie STA (addr " MACSTR " reason %d, "
1112 				   "ie_len %d)",
1113 				   __func__, MAC2STR(params->addr),
1114 				   params->status, (int) params->len);
1115 			return -1;
1116 		}
1117 	}
1118 	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
1119 	if (ret < 0) {
1120 		wpa_printf(MSG_DEBUG, "%s: Failed to auth STA (addr " MACSTR
1121 			   " reason %d)",
1122 			   __func__, MAC2STR(params->addr), params->status);
1123 	}
1124 	return ret;
1125 }
1126 
1127 static int
1128 atheros_sta_assoc(void *priv, const u8 *own_addr, const u8 *addr,
1129 		  int reassoc, u16 status_code, const u8 *ie, size_t len)
1130 {
1131 	struct atheros_driver_data *drv = priv;
1132 	struct ieee80211req_mlme mlme;
1133 	int ret;
1134 
1135 	wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d reassoc %d",
1136 		   __func__, ether_sprintf(addr), status_code, reassoc);
1137 
1138 	if (reassoc)
1139 		mlme.im_op = IEEE80211_MLME_REASSOC;
1140 	else
1141 		mlme.im_op = IEEE80211_MLME_ASSOC;
1142 	mlme.im_reason = status_code;
1143 	os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1144 	mlme.im_optie_len = len;
1145 	if (len) {
1146 		if (len < IEEE80211_MAX_OPT_IE) {
1147 			os_memcpy(mlme.im_optie, ie, len);
1148 		} else {
1149 			wpa_printf(MSG_DEBUG, "%s: Not enough space to copy "
1150 				   "opt_ie STA (addr " MACSTR " reason %d, "
1151 				   "ie_len %d)",
1152 				   __func__, MAC2STR(addr), status_code,
1153 				   (int) len);
1154 			return -1;
1155 		}
1156 	}
1157 	ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
1158 	if (ret < 0) {
1159 		wpa_printf(MSG_DEBUG, "%s: Failed to assoc STA (addr " MACSTR
1160 			   " reason %d)",
1161 			   __func__, MAC2STR(addr), status_code);
1162 	}
1163 	return ret;
1164 }
1165 
1166 
1167 static void
1168 atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
1169 {
1170 	struct hostapd_data *hapd = drv->hapd;
1171 	struct ieee80211req_wpaie ie;
1172 	int ielen = 0;
1173 	u8 *iebuf = NULL;
1174 
1175 	/*
1176 	 * Fetch negotiated WPA/RSN parameters from the system.
1177 	 */
1178 	os_memset(&ie, 0, sizeof(ie));
1179 	os_memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
1180 	if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
1181 		/*
1182 		 * See ATH_WPS_IE comment in the beginning of the file for a
1183 		 * possible cause for the failure..
1184 		 */
1185 		wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s",
1186 			   __func__, strerror(errno));
1187 		goto no_ie;
1188 	}
1189 	wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE",
1190 		    ie.wpa_ie, IEEE80211_MAX_OPT_IE);
1191 	wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE",
1192 		    ie.rsn_ie, IEEE80211_MAX_OPT_IE);
1193 #ifdef ATH_WPS_IE
1194 	wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE",
1195 		    ie.wps_ie, IEEE80211_MAX_OPT_IE);
1196 #endif /* ATH_WPS_IE */
1197 	iebuf = ie.wpa_ie;
1198 	/* atheros seems to return some random data if WPA/RSN IE is not set.
1199 	 * Assume the IE was not included if the IE type is unknown. */
1200 	if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
1201 		iebuf[1] = 0;
1202 	if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
1203 		/* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
1204 		 * set. This is needed for WPA2. */
1205 		iebuf = ie.rsn_ie;
1206 		if (iebuf[0] != WLAN_EID_RSN)
1207 			iebuf[1] = 0;
1208 	}
1209 
1210 	ielen = iebuf[1];
1211 
1212 #ifdef ATH_WPS_IE
1213 	/* if WPS IE is present, preference is given to WPS */
1214 	if (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC && ie.wps_ie[1] > 0) {
1215 		iebuf = ie.wps_ie;
1216 		ielen = ie.wps_ie[1];
1217 	}
1218 #endif /* ATH_WPS_IE */
1219 
1220 	if (ielen == 0)
1221 		iebuf = NULL;
1222 	else
1223 		ielen += 2;
1224 
1225 no_ie:
1226 	drv_event_assoc(hapd, addr, iebuf, ielen, 0);
1227 
1228 	if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
1229 		/* Cached accounting data is not valid anymore. */
1230 		os_memset(drv->acct_mac, 0, ETH_ALEN);
1231 		os_memset(&drv->acct_data, 0, sizeof(drv->acct_data));
1232 	}
1233 }
1234 
1235 static void
1236 atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv,
1237 				       char *custom, char *end)
1238 {
1239 #define MGMT_FRAM_TAG_SIZE 30 /* hardcoded in driver */
1240 	wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
1241 
1242 	if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
1243 		char *pos;
1244 		u8 addr[ETH_ALEN];
1245 		pos = os_strstr(custom, "addr=");
1246 		if (pos == NULL) {
1247 			wpa_printf(MSG_DEBUG,
1248 				   "MLME-MICHAELMICFAILURE.indication "
1249 				   "without sender address ignored");
1250 			return;
1251 		}
1252 		pos += 5;
1253 		if (hwaddr_aton(pos, addr) == 0) {
1254 			union wpa_event_data data;
1255 			os_memset(&data, 0, sizeof(data));
1256 			data.michael_mic_failure.unicast = 1;
1257 			data.michael_mic_failure.src = addr;
1258 			wpa_supplicant_event(drv->hapd,
1259 					     EVENT_MICHAEL_MIC_FAILURE, &data);
1260 		} else {
1261 			wpa_printf(MSG_DEBUG,
1262 				   "MLME-MICHAELMICFAILURE.indication "
1263 				   "with invalid MAC address");
1264 		}
1265 	} else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
1266 		char *key, *value;
1267 		u32 val;
1268 		key = custom;
1269 		while ((key = os_strchr(key, '\n')) != NULL) {
1270 			key++;
1271 			value = os_strchr(key, '=');
1272 			if (value == NULL)
1273 				continue;
1274 			*value++ = '\0';
1275 			val = strtoul(value, NULL, 10);
1276 			if (os_strcmp(key, "mac") == 0)
1277 				hwaddr_aton(value, drv->acct_mac);
1278 			else if (os_strcmp(key, "rx_packets") == 0)
1279 				drv->acct_data.rx_packets = val;
1280 			else if (os_strcmp(key, "tx_packets") == 0)
1281 				drv->acct_data.tx_packets = val;
1282 			else if (os_strcmp(key, "rx_bytes") == 0)
1283 				drv->acct_data.rx_bytes = val;
1284 			else if (os_strcmp(key, "tx_bytes") == 0)
1285 				drv->acct_data.tx_bytes = val;
1286 			key = value;
1287 		}
1288 #ifdef CONFIG_WPS
1289 	} else if (os_strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) {
1290 		/* Some atheros kernels send push button as a wireless event */
1291 		/* PROBLEM! this event is received for ALL BSSs ...
1292 		 * so all are enabled for WPS... ugh.
1293 		 */
1294 		wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL);
1295 	} else if (os_strncmp(custom, "Manage.prob_req ", 16) == 0) {
1296 		/*
1297 		 * Atheros driver uses a hack to pass Probe Request frames as a
1298 		 * binary data in the custom wireless event. The old way (using
1299 		 * packet sniffing) didn't work when bridging.
1300 		 * Format: "Manage.prob_req <frame len>" | zero padding | frame
1301 		 */
1302 		int len = atoi(custom + 16);
1303 		if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1304 			wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event "
1305 				   "length %d", len);
1306 			return;
1307 		}
1308 		atheros_raw_receive(drv, NULL,
1309 				    (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1310 #endif /* CONFIG_WPS */
1311 	} else if (os_strncmp(custom, "Manage.assoc_req ", 17) == 0) {
1312 		/* Format: "Manage.assoc_req <frame len>" | zero padding |
1313 		 * frame */
1314 		int len = atoi(custom + 17);
1315 		if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1316 			wpa_printf(MSG_DEBUG,
1317 				   "Invalid Manage.assoc_req event length %d",
1318 				   len);
1319 			return;
1320 		}
1321 		atheros_raw_receive(drv, NULL,
1322 				    (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1323 	} else if (os_strncmp(custom, "Manage.auth ", 12) == 0) {
1324 		/* Format: "Manage.auth <frame len>" | zero padding | frame */
1325 		int len = atoi(custom + 12);
1326 		if (len < 0 ||
1327 		    MGMT_FRAM_TAG_SIZE + len > end - custom) {
1328 			wpa_printf(MSG_DEBUG,
1329 				   "Invalid Manage.auth event length %d", len);
1330 			return;
1331 		}
1332 		atheros_raw_receive(drv, NULL,
1333 				    (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1334 	} else if (os_strncmp(custom, "Manage.action ", 14) == 0) {
1335 		/* Format: "Manage.assoc_req <frame len>" | zero padding | frame
1336 		 */
1337 		int len = atoi(custom + 14);
1338 		if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1339 			wpa_printf(MSG_DEBUG,
1340 				   "Invalid Manage.action event length %d",
1341 				   len);
1342 			return;
1343 		}
1344 		atheros_raw_receive(drv, NULL,
1345 				    (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1346 	}
1347 }
1348 
1349 
1350 static void send_action_cb_event(struct atheros_driver_data *drv,
1351 				 char *data, size_t data_len)
1352 {
1353 	union wpa_event_data event;
1354 	struct ieee80211_send_action_cb *sa;
1355 	const struct ieee80211_hdr *hdr;
1356 	u16 fc;
1357 
1358 	if (data_len < sizeof(*sa) + 24) {
1359 		wpa_printf(MSG_DEBUG,
1360 			   "athr: Too short event message (data_len=%d sizeof(*sa)=%d)",
1361 			   (int) data_len, (int) sizeof(*sa));
1362 		wpa_hexdump(MSG_DEBUG, "athr: Short event message",
1363 			    data, data_len);
1364 		return;
1365 	}
1366 
1367 	sa = (struct ieee80211_send_action_cb *) data;
1368 
1369 	hdr = (const struct ieee80211_hdr *) (sa + 1);
1370 	fc = le_to_host16(hdr->frame_control);
1371 
1372 	os_memset(&event, 0, sizeof(event));
1373 	event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1374 	event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1375 	event.tx_status.dst = sa->dst_addr;
1376 	event.tx_status.data = (const u8 *) hdr;
1377 	event.tx_status.data_len = data_len - sizeof(*sa);
1378 	event.tx_status.ack = sa->ack;
1379 	wpa_supplicant_event(drv->hapd, EVENT_TX_STATUS, &event);
1380 }
1381 
1382 
1383 /*
1384 * Handle size of data problem. WEXT only allows data of 256 bytes for custom
1385 * events, and p2p data can be much bigger. So the athr driver sends a small
1386 * event telling me to collect the big data with an ioctl.
1387 * On the first event, send all pending events to supplicant.
1388 */
1389 static void fetch_pending_big_events(struct atheros_driver_data *drv)
1390 {
1391 	union wpa_event_data event;
1392 	const struct ieee80211_mgmt *mgmt;
1393 	u8 tbuf[IW_PRIV_SIZE_MASK]; /* max size is 2047 bytes */
1394 	u16 fc, stype;
1395 	struct iwreq iwr;
1396 	size_t data_len;
1397 	u32 freq, frame_type;
1398 
1399 	while (1) {
1400 		os_memset(&iwr, 0, sizeof(iwr));
1401 		os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1402 
1403 		iwr.u.data.pointer = (void *) tbuf;
1404 		iwr.u.data.length = sizeof(tbuf);
1405 		iwr.u.data.flags = IEEE80211_IOC_P2P_FETCH_FRAME;
1406 
1407 		if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr)
1408 		    < 0) {
1409 			if (errno == ENOSPC) {
1410 				wpa_printf(MSG_DEBUG, "%s:%d exit",
1411 					   __func__, __LINE__);
1412 				return;
1413 			}
1414 			wpa_printf(MSG_DEBUG, "athr: %s: P2P_BIG_PARAM["
1415 				   "P2P_FETCH_FRAME] failed: %s",
1416 				   __func__, strerror(errno));
1417 			return;
1418 		}
1419 		data_len = iwr.u.data.length;
1420 		wpa_hexdump(MSG_DEBUG, "athr: P2P_FETCH_FRAME data",
1421 			    (u8 *) tbuf, data_len);
1422 		if (data_len < sizeof(freq) + sizeof(frame_type) + 24) {
1423 			wpa_printf(MSG_DEBUG, "athr: frame too short");
1424 			continue;
1425 		}
1426 		os_memcpy(&freq, tbuf, sizeof(freq));
1427 		os_memcpy(&frame_type, &tbuf[sizeof(freq)],
1428 			  sizeof(frame_type));
1429 		mgmt = (void *) &tbuf[sizeof(freq) + sizeof(frame_type)];
1430 		data_len -= sizeof(freq) + sizeof(frame_type);
1431 
1432 		if (frame_type == IEEE80211_EV_RX_MGMT) {
1433 			fc = le_to_host16(mgmt->frame_control);
1434 			stype = WLAN_FC_GET_STYPE(fc);
1435 
1436 			wpa_printf(MSG_DEBUG, "athr: EV_RX_MGMT stype=%u "
1437 				"freq=%u len=%u", stype, freq, (int) data_len);
1438 
1439 			if (stype == WLAN_FC_STYPE_ACTION) {
1440 				os_memset(&event, 0, sizeof(event));
1441 				event.rx_mgmt.frame = (const u8 *) mgmt;
1442 				event.rx_mgmt.frame_len = data_len;
1443 				wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT,
1444 						     &event);
1445 				continue;
1446 			}
1447 		} else if (frame_type == IEEE80211_EV_P2P_SEND_ACTION_CB) {
1448 			wpa_printf(MSG_DEBUG,
1449 				   "%s: ACTION_CB frame_type=%u len=%zu",
1450 				   __func__, frame_type, data_len);
1451 			send_action_cb_event(drv, (void *) mgmt, data_len);
1452 		} else {
1453 			wpa_printf(MSG_DEBUG, "athr: %s unknown type %d",
1454 				   __func__, frame_type);
1455 			continue;
1456 		}
1457 	}
1458 }
1459 
1460 static void
1461 atheros_wireless_event_atheros_custom(struct atheros_driver_data *drv,
1462 				      int opcode, char *buf, int len)
1463 {
1464 	switch (opcode) {
1465 	case IEEE80211_EV_P2P_SEND_ACTION_CB:
1466 		wpa_printf(MSG_DEBUG, "WEXT: EV_P2P_SEND_ACTION_CB");
1467 		fetch_pending_big_events(drv);
1468 		break;
1469 	case IEEE80211_EV_RX_MGMT:
1470 		wpa_printf(MSG_DEBUG, "WEXT: EV_RX_MGMT");
1471 		fetch_pending_big_events(drv);
1472 		break;
1473 	default:
1474 		break;
1475 	}
1476 }
1477 
1478 static void
1479 atheros_wireless_event_wireless(struct atheros_driver_data *drv,
1480 				char *data, unsigned int len)
1481 {
1482 	struct iw_event iwe_buf, *iwe = &iwe_buf;
1483 	char *pos, *end, *custom, *buf;
1484 
1485 	pos = data;
1486 	end = data + len;
1487 
1488 	while ((size_t) (end - pos) >= IW_EV_LCP_LEN) {
1489 		/* Event data may be unaligned, so make a local, aligned copy
1490 		 * before processing. */
1491 		os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
1492 		wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
1493 			   iwe->cmd, iwe->len);
1494 		if (iwe->len <= IW_EV_LCP_LEN || iwe->len > end - pos)
1495 			return;
1496 
1497 		custom = pos + IW_EV_POINT_LEN;
1498 		if (drv->we_version > 18 &&
1499 		    (iwe->cmd == IWEVMICHAELMICFAILURE ||
1500 		     iwe->cmd == IWEVASSOCREQIE ||
1501 		     iwe->cmd == IWEVCUSTOM)) {
1502 			/* WE-19 removed the pointer from struct iw_point */
1503 			char *dpos = (char *) &iwe_buf.u.data.length;
1504 			int dlen = dpos - (char *) &iwe_buf;
1505 			os_memcpy(dpos, pos + IW_EV_LCP_LEN,
1506 				  sizeof(struct iw_event) - dlen);
1507 		} else {
1508 			os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
1509 			custom += IW_EV_POINT_OFF;
1510 		}
1511 
1512 		switch (iwe->cmd) {
1513 		case IWEVEXPIRED:
1514 			drv_event_disassoc(drv->hapd,
1515 					   (u8 *) iwe->u.addr.sa_data);
1516 			break;
1517 		case IWEVREGISTERED:
1518 			atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
1519 			break;
1520 		case IWEVASSOCREQIE:
1521 			/* Driver hack.. Use IWEVASSOCREQIE to bypass
1522 			 * IWEVCUSTOM size limitations. Need to handle this
1523 			 * just like IWEVCUSTOM.
1524 			 */
1525 		case IWEVCUSTOM:
1526 			if (iwe->u.data.length > end - custom)
1527 				return;
1528 			buf = os_malloc(iwe->u.data.length + 1);
1529 			if (buf == NULL)
1530 				return;		/* XXX */
1531 			os_memcpy(buf, custom, iwe->u.data.length);
1532 			buf[iwe->u.data.length] = '\0';
1533 
1534 			if (iwe->u.data.flags != 0) {
1535 				atheros_wireless_event_atheros_custom(
1536 					drv, (int) iwe->u.data.flags,
1537 					buf, len);
1538 			} else {
1539 				atheros_wireless_event_wireless_custom(
1540 					drv, buf, buf + iwe->u.data.length);
1541 			}
1542 			os_free(buf);
1543 			break;
1544 		}
1545 
1546 		pos += iwe->len;
1547 	}
1548 }
1549 
1550 
1551 static void
1552 atheros_wireless_event_rtm_newlink(void *ctx,
1553 				   struct ifinfomsg *ifi, u8 *buf, size_t len)
1554 {
1555 	struct atheros_driver_data *drv = ctx;
1556 	int attrlen, rta_len;
1557 	struct rtattr *attr;
1558 
1559 	if (ifi->ifi_index != drv->ifindex)
1560 		return;
1561 
1562 	attrlen = len;
1563 	attr = (struct rtattr *) buf;
1564 
1565 	rta_len = RTA_ALIGN(sizeof(struct rtattr));
1566 	while (RTA_OK(attr, attrlen)) {
1567 		if (attr->rta_type == IFLA_WIRELESS) {
1568 			atheros_wireless_event_wireless(
1569 				drv, ((char *) attr) + rta_len,
1570 				attr->rta_len - rta_len);
1571 		}
1572 		attr = RTA_NEXT(attr, attrlen);
1573 	}
1574 }
1575 
1576 
1577 static int
1578 atheros_get_we_version(struct atheros_driver_data *drv)
1579 {
1580 	struct iw_range *range;
1581 	struct iwreq iwr;
1582 	int minlen;
1583 	size_t buflen;
1584 
1585 	drv->we_version = 0;
1586 
1587 	/*
1588 	 * Use larger buffer than struct iw_range in order to allow the
1589 	 * structure to grow in the future.
1590 	 */
1591 	buflen = sizeof(struct iw_range) + 500;
1592 	range = os_zalloc(buflen);
1593 	if (range == NULL)
1594 		return -1;
1595 
1596 	os_memset(&iwr, 0, sizeof(iwr));
1597 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1598 	iwr.u.data.pointer = (caddr_t) range;
1599 	iwr.u.data.length = buflen;
1600 
1601 	minlen = ((char *) &range->enc_capa) - (char *) range +
1602 		sizeof(range->enc_capa);
1603 
1604 	if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1605 		wpa_printf(MSG_ERROR, "ioctl[SIOCGIWRANGE]: %s",
1606 			   strerror(errno));
1607 		os_free(range);
1608 		return -1;
1609 	} else if (iwr.u.data.length >= minlen &&
1610 		   range->we_version_compiled >= 18) {
1611 		wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1612 			   "WE(source)=%d enc_capa=0x%x",
1613 			   range->we_version_compiled,
1614 			   range->we_version_source,
1615 			   range->enc_capa);
1616 		drv->we_version = range->we_version_compiled;
1617 	}
1618 
1619 	os_free(range);
1620 	return 0;
1621 }
1622 
1623 
1624 static int
1625 atheros_wireless_event_init(struct atheros_driver_data *drv)
1626 {
1627 	struct netlink_config *cfg;
1628 
1629 	atheros_get_we_version(drv);
1630 
1631 	cfg = os_zalloc(sizeof(*cfg));
1632 	if (cfg == NULL)
1633 		return -1;
1634 	cfg->ctx = drv;
1635 	cfg->newlink_cb = atheros_wireless_event_rtm_newlink;
1636 	drv->netlink = netlink_init(cfg);
1637 	if (drv->netlink == NULL) {
1638 		os_free(cfg);
1639 		return -1;
1640 	}
1641 
1642 	return 0;
1643 }
1644 
1645 
1646 static int
1647 atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
1648 		   int encrypt, const u8 *own_addr, u32 flags)
1649 {
1650 	struct atheros_driver_data *drv = priv;
1651 	unsigned char buf[3000];
1652 	unsigned char *bp = buf;
1653 	struct l2_ethhdr *eth;
1654 	size_t len;
1655 	int status;
1656 
1657 	/*
1658 	 * Prepend the Ethernet header.  If the caller left us
1659 	 * space at the front we could just insert it but since
1660 	 * we don't know we copy to a local buffer.  Given the frequency
1661 	 * and size of frames this probably doesn't matter.
1662 	 */
1663 	len = data_len + sizeof(struct l2_ethhdr);
1664 	if (len > sizeof(buf)) {
1665 		bp = os_malloc(len);
1666 		if (bp == NULL) {
1667 			wpa_printf(MSG_INFO,
1668 				   "EAPOL frame discarded, cannot malloc temp buffer of size %lu!",
1669 				   (unsigned long) len);
1670 			return -1;
1671 		}
1672 	}
1673 	eth = (struct l2_ethhdr *) bp;
1674 	os_memcpy(eth->h_dest, addr, ETH_ALEN);
1675 	os_memcpy(eth->h_source, own_addr, ETH_ALEN);
1676 	eth->h_proto = host_to_be16(ETH_P_EAPOL);
1677 	os_memcpy(eth + 1, data, data_len);
1678 
1679 	wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
1680 
1681 	status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
1682 
1683 	if (bp != buf)
1684 		os_free(bp);
1685 	return status;
1686 }
1687 
1688 static void
1689 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1690 {
1691 	struct atheros_driver_data *drv = ctx;
1692 	drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
1693 			   len - sizeof(struct l2_ethhdr));
1694 }
1695 
1696 
1697 static void atheros_read_fils_cap(struct atheros_driver_data *drv)
1698 {
1699 	int fils = 0;
1700 
1701 #ifdef CONFIG_FILS
1702 	/* TODO: Would be better to have #ifdef on the IEEE80211_PARAM_* value
1703 	 * to automatically check this against the driver header files. */
1704 	if (get80211param(drv, IEEE80211_PARAM_ENABLE_FILS, &fils) < 0) {
1705 		wpa_printf(MSG_DEBUG,
1706 			   "%s: Failed to get FILS capability from driver",
1707 			   __func__);
1708 		/* Assume driver does not support FILS */
1709 		fils = 0;
1710 	}
1711 #endif /* CONFIG_FILS */
1712 	drv->fils_en = fils;
1713 	wpa_printf(MSG_DEBUG, "atheros: fils_en=%d", drv->fils_en);
1714 }
1715 
1716 
1717 static void *
1718 atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params)
1719 {
1720 	struct atheros_driver_data *drv;
1721 	struct ifreq ifr;
1722 	struct iwreq iwr;
1723 	char brname[IFNAMSIZ];
1724 
1725 	drv = os_zalloc(sizeof(struct atheros_driver_data));
1726 	if (drv == NULL) {
1727 		wpa_printf(MSG_INFO,
1728 			   "Could not allocate memory for atheros driver data");
1729 		return NULL;
1730 	}
1731 
1732 	drv->hapd = hapd;
1733 	drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1734 	if (drv->ioctl_sock < 0) {
1735 		wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s",
1736 			   strerror(errno));
1737 		goto bad;
1738 	}
1739 	os_memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1740 
1741 	os_memset(&ifr, 0, sizeof(ifr));
1742 	os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
1743 	if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
1744 		wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
1745 			   strerror(errno));
1746 		goto bad;
1747 	}
1748 	drv->ifindex = ifr.ifr_ifindex;
1749 
1750 	drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
1751 					handle_read, drv, 1);
1752 	if (drv->sock_xmit == NULL)
1753 		goto bad;
1754 	if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
1755 		goto bad;
1756 	os_memcpy(drv->own_addr, params->own_addr, ETH_ALEN);
1757 	if (params->bridge[0]) {
1758 		wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
1759 			   params->bridge[0]);
1760 		drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
1761 						ETH_P_EAPOL, handle_read, drv,
1762 						1);
1763 		if (drv->sock_recv == NULL)
1764 			goto bad;
1765 	} else if (linux_br_get(brname, drv->iface) == 0) {
1766 		wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
1767 			   "EAPOL receive", brname);
1768 		drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
1769 						handle_read, drv, 1);
1770 		if (drv->sock_recv == NULL)
1771 			goto bad;
1772 	} else
1773 		drv->sock_recv = drv->sock_xmit;
1774 
1775 	os_memset(&iwr, 0, sizeof(iwr));
1776 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1777 
1778 	iwr.u.mode = IW_MODE_MASTER;
1779 
1780 	if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
1781 		wpa_printf(MSG_ERROR,
1782 			   "Could not set interface to master mode! ioctl[SIOCSIWMODE]: %s",
1783 			   strerror(errno));
1784 		goto bad;
1785 	}
1786 
1787 	/* mark down during setup */
1788 	linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1789 	atheros_set_privacy(drv, 0); /* default to no privacy */
1790 
1791 	if (atheros_receive_pkt(drv))
1792 		goto bad;
1793 
1794 	if (atheros_wireless_event_init(drv))
1795 		goto bad;
1796 
1797 	/* Read FILS capability from the driver */
1798 	atheros_read_fils_cap(drv);
1799 
1800 	return drv;
1801 bad:
1802 	atheros_reset_appfilter(drv);
1803 	if (drv->sock_raw)
1804 		l2_packet_deinit(drv->sock_raw);
1805 	if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1806 		l2_packet_deinit(drv->sock_recv);
1807 	if (drv->sock_xmit != NULL)
1808 		l2_packet_deinit(drv->sock_xmit);
1809 	if (drv->ioctl_sock >= 0)
1810 		close(drv->ioctl_sock);
1811 	os_free(drv);
1812 	return NULL;
1813 }
1814 
1815 
1816 static void
1817 atheros_deinit(void *priv)
1818 {
1819 	struct atheros_driver_data *drv = priv;
1820 
1821 	atheros_reset_appfilter(drv);
1822 
1823 	if (drv->wpa_ie || drv->wps_beacon_ie || drv->wps_probe_resp_ie) {
1824 		atheros_set_opt_ie(priv, NULL, 0);
1825 		wpabuf_free(drv->wpa_ie);
1826 		wpabuf_free(drv->wps_beacon_ie);
1827 		wpabuf_free(drv->wps_probe_resp_ie);
1828 	}
1829 	netlink_deinit(drv->netlink);
1830 	(void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1831 	if (drv->ioctl_sock >= 0)
1832 		close(drv->ioctl_sock);
1833 	if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1834 		l2_packet_deinit(drv->sock_recv);
1835 	if (drv->sock_xmit != NULL)
1836 		l2_packet_deinit(drv->sock_xmit);
1837 	if (drv->sock_raw)
1838 		l2_packet_deinit(drv->sock_raw);
1839 	os_free(drv);
1840 }
1841 
1842 static int
1843 atheros_set_ssid(void *priv, const u8 *buf, int len)
1844 {
1845 	struct atheros_driver_data *drv = priv;
1846 	struct iwreq iwr;
1847 
1848 	os_memset(&iwr, 0, sizeof(iwr));
1849 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1850 	iwr.u.essid.flags = 1; /* SSID active */
1851 	iwr.u.essid.pointer = (caddr_t) buf;
1852 	iwr.u.essid.length = len;
1853 
1854 	if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
1855 		wpa_printf(MSG_ERROR, "ioctl[SIOCSIWESSID,len=%d]: %s",
1856 			   len, strerror(errno));
1857 		return -1;
1858 	}
1859 	return 0;
1860 }
1861 
1862 static int
1863 atheros_get_ssid(void *priv, u8 *buf, int len)
1864 {
1865 	struct atheros_driver_data *drv = priv;
1866 	struct iwreq iwr;
1867 	int ret = 0;
1868 
1869 	os_memset(&iwr, 0, sizeof(iwr));
1870 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1871 	iwr.u.essid.pointer = (caddr_t) buf;
1872 	iwr.u.essid.length = (len > IW_ESSID_MAX_SIZE) ?
1873 		IW_ESSID_MAX_SIZE : len;
1874 
1875 	if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
1876 		wpa_printf(MSG_ERROR, "ioctl[SIOCGIWESSID]: %s",
1877 			   strerror(errno));
1878 		ret = -1;
1879 	} else
1880 		ret = iwr.u.essid.length;
1881 
1882 	return ret;
1883 }
1884 
1885 static int
1886 atheros_set_countermeasures(void *priv, int enabled)
1887 {
1888 	struct atheros_driver_data *drv = priv;
1889 	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1890 	return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
1891 }
1892 
1893 static int
1894 atheros_commit(void *priv)
1895 {
1896 	struct atheros_driver_data *drv = priv;
1897 	return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
1898 }
1899 
1900 static int atheros_set_authmode(void *priv, int auth_algs)
1901 {
1902 	int authmode;
1903 
1904 	if ((auth_algs & WPA_AUTH_ALG_OPEN) &&
1905 	    (auth_algs & WPA_AUTH_ALG_SHARED))
1906 		authmode = IEEE80211_AUTH_AUTO;
1907 	else if (auth_algs & WPA_AUTH_ALG_OPEN)
1908 		authmode = IEEE80211_AUTH_OPEN;
1909 	else if (auth_algs & WPA_AUTH_ALG_SHARED)
1910 		authmode = IEEE80211_AUTH_SHARED;
1911 	else
1912 		return -1;
1913 
1914 	return set80211param(priv, IEEE80211_PARAM_AUTHMODE, authmode);
1915 }
1916 
1917 static int atheros_set_ap(void *priv, struct wpa_driver_ap_params *params)
1918 {
1919 	/*
1920 	 * TODO: Use this to replace set_authmode, set_privacy, set_ieee8021x,
1921 	 * set_generic_elem, and hapd_set_ssid.
1922 	 */
1923 
1924 	wpa_printf(MSG_DEBUG, "atheros: set_ap - pairwise_ciphers=0x%x "
1925 		   "group_cipher=0x%x key_mgmt_suites=0x%x auth_algs=0x%x "
1926 		   "wpa_version=0x%x privacy=%d interworking=%d",
1927 		   params->pairwise_ciphers, params->group_cipher,
1928 		   params->key_mgmt_suites, params->auth_algs,
1929 		   params->wpa_version, params->privacy, params->interworking);
1930 	wpa_hexdump_ascii(MSG_DEBUG, "atheros: SSID",
1931 			  params->ssid, params->ssid_len);
1932 	if (params->hessid)
1933 		wpa_printf(MSG_DEBUG, "atheros: HESSID " MACSTR,
1934 			   MAC2STR(params->hessid));
1935 	wpa_hexdump_buf(MSG_DEBUG, "atheros: beacon_ies",
1936 			params->beacon_ies);
1937 	wpa_hexdump_buf(MSG_DEBUG, "atheros: proberesp_ies",
1938 			params->proberesp_ies);
1939 	wpa_hexdump_buf(MSG_DEBUG, "atheros: assocresp_ies",
1940 			params->assocresp_ies);
1941 
1942 #if defined(CONFIG_HS20) && (defined(IEEE80211_PARAM_OSEN) || defined(CONFIG_ATHEROS_OSEN))
1943 	if (params->osen) {
1944 		struct wpa_bss_params bss_params;
1945 
1946 		os_memset(&bss_params, 0, sizeof(struct wpa_bss_params));
1947 		bss_params.enabled = 1;
1948 		bss_params.wpa = 2;
1949 		bss_params.wpa_pairwise = WPA_CIPHER_CCMP;
1950 		bss_params.wpa_group = WPA_CIPHER_CCMP;
1951 		bss_params.ieee802_1x = 1;
1952 
1953 		if (atheros_set_privacy(priv, 1) ||
1954 		    set80211param(priv, IEEE80211_PARAM_OSEN, 1))
1955 			return -1;
1956 
1957 		return atheros_set_ieee8021x(priv, &bss_params);
1958 	}
1959 #endif /* CONFIG_HS20 && IEEE80211_PARAM_OSEN */
1960 
1961 	return 0;
1962 }
1963 
1964 
1965 static int atheros_send_mgmt(void *priv, const u8 *frm, size_t data_len,
1966 			     int noack, unsigned int freq,
1967 			     const u16 *csa_offs, size_t csa_offs_len,
1968 			     int no_encrypt, unsigned int wait)
1969 {
1970 	struct atheros_driver_data *drv = priv;
1971 	u8 buf[1510];
1972 	const struct ieee80211_mgmt *mgmt;
1973 	struct ieee80211req_mgmtbuf *mgmt_frm;
1974 
1975 	mgmt = (const struct ieee80211_mgmt *) frm;
1976 	wpa_printf(MSG_DEBUG, "%s frmlen = %lu " MACSTR, __func__,
1977 		   (unsigned long) data_len, MAC2STR(mgmt->da));
1978 	mgmt_frm = (struct ieee80211req_mgmtbuf *) buf;
1979 	os_memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN);
1980 	mgmt_frm->buflen = data_len;
1981 	if (&mgmt_frm->buf[0] + data_len > buf + sizeof(buf)) {
1982 		wpa_printf(MSG_INFO, "atheros: Too long frame for "
1983 			   "atheros_send_mgmt (%u)", (unsigned int) data_len);
1984 		return -1;
1985 	}
1986 	os_memcpy(&mgmt_frm->buf[0], frm, data_len);
1987 	return set80211priv(drv, IEEE80211_IOCTL_SEND_MGMT, mgmt_frm,
1988 			    sizeof(struct ieee80211req_mgmtbuf) + data_len);
1989 }
1990 
1991 
1992 #ifdef CONFIG_IEEE80211R
1993 
1994 static int atheros_add_tspec(void *priv, const u8 *addr, u8 *tspec_ie,
1995 			     size_t tspec_ielen)
1996 {
1997 	struct atheros_driver_data *drv = priv;
1998 	int retv;
1999 	struct ieee80211req_res req;
2000 	struct ieee80211req_res_addts *addts = &req.u.addts;
2001 
2002 	wpa_printf(MSG_DEBUG, "%s", __func__);
2003 	req.type = IEEE80211_RESREQ_ADDTS;
2004 	os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN);
2005 	os_memcpy(addts->tspecie, tspec_ie, tspec_ielen);
2006 	retv = set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req,
2007 			    sizeof(struct ieee80211req_res));
2008 	if (retv < 0) {
2009 		wpa_printf(MSG_DEBUG, "%s IEEE80211_IOCTL_RES_REQ FAILED "
2010 			   "retv = %d", __func__, retv);
2011 		return -1;
2012 	}
2013 	os_memcpy(tspec_ie, addts->tspecie, tspec_ielen);
2014 	return addts->status;
2015 }
2016 
2017 
2018 static int atheros_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
2019 {
2020 	struct atheros_driver_data *drv = priv;
2021 	struct ieee80211req_res req;
2022 	struct ieee80211req_res_addnode *addnode = &req.u.addnode;
2023 
2024 	wpa_printf(MSG_DEBUG, "%s", __func__);
2025 	req.type = IEEE80211_RESREQ_ADDNODE;
2026 	os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN);
2027 	addnode->auth_alg = auth_alg;
2028 	return set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req,
2029 			    sizeof(struct ieee80211req_res));
2030 }
2031 
2032 #endif /* CONFIG_IEEE80211R */
2033 
2034 
2035 /* Use only to set a big param, get will not work. */
2036 static int
2037 set80211big(struct atheros_driver_data *drv, int op, const void *data, int len)
2038 {
2039 	struct iwreq iwr;
2040 
2041 	os_memset(&iwr, 0, sizeof(iwr));
2042 	os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
2043 
2044 	iwr.u.data.pointer = (void *) data;
2045 	iwr.u.data.length = len;
2046 	iwr.u.data.flags = op;
2047 	wpa_printf(MSG_DEBUG, "%s: op=0x%x=%d (%s) len=0x%x",
2048 		   __func__, op, op, athr_get_param_name(op), len);
2049 
2050 	if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) < 0) {
2051 		wpa_printf(MSG_DEBUG, "%s: op=0x%x (%s) subop=0x%x=%d "
2052 			   "value=0x%x,0x%x failed: %d (%s)",
2053 			   __func__, op, athr_get_ioctl_name(op), iwr.u.mode,
2054 			   iwr.u.mode, iwr.u.data.length,
2055 			   iwr.u.data.flags, errno, strerror(errno));
2056 		return -1;
2057 	}
2058 	return 0;
2059 }
2060 
2061 
2062 static int atheros_send_action(void *priv, unsigned int freq,
2063 			       unsigned int wait,
2064 			       const u8 *dst, const u8 *src,
2065 			       const u8 *bssid,
2066 			       const u8 *data, size_t data_len, int no_cck)
2067 {
2068 	struct atheros_driver_data *drv = priv;
2069 	struct ieee80211_p2p_send_action *act;
2070 	int res;
2071 
2072 	act = os_zalloc(sizeof(*act) + data_len);
2073 	if (act == NULL)
2074 		return -1;
2075 	act->freq = freq;
2076 	os_memcpy(act->dst_addr, dst, ETH_ALEN);
2077 	os_memcpy(act->src_addr, src, ETH_ALEN);
2078 	os_memcpy(act->bssid, bssid, ETH_ALEN);
2079 	os_memcpy(act + 1, data, data_len);
2080 	wpa_printf(MSG_DEBUG, "%s: freq=%d, wait=%u, dst=" MACSTR ", src="
2081 		   MACSTR ", bssid=" MACSTR,
2082 		   __func__, act->freq, wait, MAC2STR(act->dst_addr),
2083 		   MAC2STR(act->src_addr), MAC2STR(act->bssid));
2084 	wpa_hexdump(MSG_MSGDUMP, "athr: act", (u8 *) act, sizeof(*act));
2085 	wpa_hexdump(MSG_MSGDUMP, "athr: data", data, data_len);
2086 
2087 	res = set80211big(drv, IEEE80211_IOC_P2P_SEND_ACTION,
2088 			  act, sizeof(*act) + data_len);
2089 	os_free(act);
2090 	return res;
2091 }
2092 
2093 
2094 #if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM)
2095 static int athr_wnm_tfs(struct atheros_driver_data *drv, const u8* peer,
2096 			u8 *ie, u16 *len, enum wnm_oper oper)
2097 {
2098 #define IEEE80211_APPIE_MAX    1024 /* max appie buffer size */
2099 	u8 buf[IEEE80211_APPIE_MAX];
2100 	struct ieee80211req_getset_appiebuf *tfs_ie;
2101 	u16 val;
2102 
2103 	wpa_printf(MSG_DEBUG, "atheros: ifname=%s, WNM TFS IE oper=%d " MACSTR,
2104 		   drv->iface, oper, MAC2STR(peer));
2105 
2106 	switch (oper) {
2107 	case WNM_SLEEP_TFS_REQ_IE_SET:
2108 		if (*len > IEEE80211_APPIE_MAX -
2109 		    sizeof(struct ieee80211req_getset_appiebuf)) {
2110 			wpa_printf(MSG_DEBUG, "TFS Req IE(s) too large");
2111 			return -1;
2112 		}
2113 		tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2114 		tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2115 		tfs_ie->app_buflen = ETH_ALEN + 2 + 2 + *len;
2116 
2117 		/* Command header for driver */
2118 		os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2119 		val = oper;
2120 		os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2121 		val = *len;
2122 		os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2123 
2124 		/* copy the ie */
2125 		os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2 + 2, ie, *len);
2126 
2127 		if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie,
2128 				 IEEE80211_APPIE_MAX)) {
2129 			wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: "
2130 				   "%s", __func__, strerror(errno));
2131 			return -1;
2132 		}
2133 		break;
2134 	case WNM_SLEEP_TFS_RESP_IE_ADD:
2135 		tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2136 		tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2137 		tfs_ie->app_buflen = IEEE80211_APPIE_MAX -
2138 			sizeof(struct ieee80211req_getset_appiebuf);
2139 		/* Command header for driver */
2140 		os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2141 		val = oper;
2142 		os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2143 		val = 0;
2144 		os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2145 
2146 		if (set80211priv(drv, IEEE80211_IOCTL_GET_APPIEBUF, tfs_ie,
2147 				 IEEE80211_APPIE_MAX)) {
2148 			wpa_printf(MSG_DEBUG, "%s: Failed to get WNM TFS IE: "
2149 				   "%s", __func__, strerror(errno));
2150 			return -1;
2151 		}
2152 
2153 		*len = tfs_ie->app_buflen;
2154 		os_memcpy(ie, &(tfs_ie->app_buf[0]), *len);
2155 		wpa_printf(MSG_DEBUG, "atheros: %c len=%d", tfs_ie->app_buf[0],
2156 			   *len);
2157 		break;
2158 	case WNM_SLEEP_TFS_RESP_IE_NONE:
2159 		*len = 0;
2160 		break;
2161 	case WNM_SLEEP_TFS_IE_DEL:
2162 		tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2163 		tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2164 		tfs_ie->app_buflen = IEEE80211_APPIE_MAX -
2165 			sizeof(struct ieee80211req_getset_appiebuf);
2166 		/* Command header for driver */
2167 		os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2168 		val = oper;
2169 		os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2170 		val = 0;
2171 		os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2172 
2173 		if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie,
2174 				 IEEE80211_APPIE_MAX)) {
2175 			wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: "
2176 				   "%s", __func__, strerror(errno));
2177 			return -1;
2178 		}
2179 		break;
2180 	default:
2181 		wpa_printf(MSG_DEBUG, "Unsupported TFS oper %d", oper);
2182 		break;
2183 	}
2184 
2185 	return 0;
2186 }
2187 
2188 
2189 static int atheros_wnm_sleep(struct atheros_driver_data *drv,
2190 			     const u8 *peer, enum wnm_oper oper)
2191 {
2192 	u8 *data, *pos;
2193 	size_t dlen;
2194 	int ret;
2195 	u16 val;
2196 
2197 	wpa_printf(MSG_DEBUG, "atheros: WNM-Sleep Oper %d, " MACSTR,
2198 		   oper, MAC2STR(peer));
2199 
2200 	dlen = ETH_ALEN + 2 + 2;
2201 	data = os_malloc(dlen);
2202 	if (data == NULL)
2203 		return -1;
2204 
2205 	/* Command header for driver */
2206 	pos = data;
2207 	os_memcpy(pos, peer, ETH_ALEN);
2208 	pos += ETH_ALEN;
2209 
2210 	val = oper;
2211 	os_memcpy(pos, &val, 2);
2212 	pos += 2;
2213 
2214 	val = 0;
2215 	os_memcpy(pos, &val, 2);
2216 
2217 	ret = atheros_set_wps_ie(drv, data, dlen, IEEE80211_APPIE_FRAME_WNM);
2218 
2219 	os_free(data);
2220 
2221 	return ret;
2222 }
2223 
2224 
2225 static int atheros_wnm_oper(void *priv, enum wnm_oper oper, const u8 *peer,
2226 			    u8 *buf, u16 *buf_len)
2227 {
2228 	struct atheros_driver_data *drv = priv;
2229 
2230 	switch (oper) {
2231 	case WNM_SLEEP_ENTER_CONFIRM:
2232 	case WNM_SLEEP_ENTER_FAIL:
2233 	case WNM_SLEEP_EXIT_CONFIRM:
2234 	case WNM_SLEEP_EXIT_FAIL:
2235 		return atheros_wnm_sleep(drv, peer, oper);
2236 	case WNM_SLEEP_TFS_REQ_IE_SET:
2237 	case WNM_SLEEP_TFS_RESP_IE_ADD:
2238 	case WNM_SLEEP_TFS_RESP_IE_NONE:
2239 	case WNM_SLEEP_TFS_IE_DEL:
2240 		return athr_wnm_tfs(drv, peer, buf, buf_len, oper);
2241 	default:
2242 		wpa_printf(MSG_DEBUG, "atheros: Unsupported WNM operation %d",
2243 			   oper);
2244 		return -1;
2245 	}
2246 }
2247 #endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */
2248 
2249 
2250 const struct wpa_driver_ops wpa_driver_atheros_ops = {
2251 	.name			= "atheros",
2252 	.hapd_init		= atheros_init,
2253 	.hapd_deinit		= atheros_deinit,
2254 	.set_ieee8021x		= atheros_set_ieee8021x,
2255 	.set_privacy		= atheros_set_privacy,
2256 	.set_key		= atheros_set_key,
2257 	.get_seqnum		= atheros_get_seqnum,
2258 	.flush			= atheros_flush,
2259 	.set_generic_elem	= atheros_set_opt_ie,
2260 	.sta_set_flags		= atheros_sta_set_flags,
2261 	.read_sta_data		= atheros_read_sta_driver_data,
2262 	.hapd_send_eapol	= atheros_send_eapol,
2263 	.sta_disassoc		= atheros_sta_disassoc,
2264 	.sta_deauth		= atheros_sta_deauth,
2265 	.hapd_set_ssid		= atheros_set_ssid,
2266 	.hapd_get_ssid		= atheros_get_ssid,
2267 	.set_countermeasures	= atheros_set_countermeasures,
2268 	.sta_clear_stats	= atheros_sta_clear_stats,
2269 	.commit			= atheros_commit,
2270 	.set_ap_wps_ie		= atheros_set_ap_wps_ie,
2271 	.set_authmode		= atheros_set_authmode,
2272 	.set_ap			= atheros_set_ap,
2273 	.sta_assoc              = atheros_sta_assoc,
2274 	.sta_auth               = atheros_sta_auth,
2275 	.send_mlme       	= atheros_send_mgmt,
2276 #ifdef CONFIG_IEEE80211R
2277 	.add_tspec      	= atheros_add_tspec,
2278 	.add_sta_node    	= atheros_add_sta_node,
2279 #endif /* CONFIG_IEEE80211R */
2280 	.send_action		= atheros_send_action,
2281 #if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM)
2282 	.wnm_oper		= atheros_wnm_oper,
2283 #endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */
2284 	.set_qos_map		= atheros_set_qos_map,
2285 };
2286