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1 | /* |
2 | * Linux cfgp2p driver | |
3 | * | |
4 | * Copyright (C) 1999-2019, Broadcom. | |
5 | * | |
6 | * Unless you and Broadcom execute a separate written software license | |
7 | * agreement governing use of this software, this software is licensed to you | |
8 | * under the terms of the GNU General Public License version 2 (the "GPL"), | |
9 | * available at http://www.broadcom.com/licenses/GPLv2.php, with the | |
10 | * following added to such license: | |
11 | * | |
12 | * As a special exception, the copyright holders of this software give you | |
13 | * permission to link this software with independent modules, and to copy and | |
14 | * distribute the resulting executable under terms of your choice, provided that | |
15 | * you also meet, for each linked independent module, the terms and conditions of | |
16 | * the license of that module. An independent module is a module which is not | |
17 | * derived from this software. The special exception does not apply to any | |
18 | * modifications of the software. | |
19 | * | |
20 | * Notwithstanding the above, under no circumstances may you combine this | |
21 | * software in any way with any other Broadcom software provided under a license | |
22 | * other than the GPL, without Broadcom's express prior written consent. | |
23 | * | |
24 | * | |
25 | * <<Broadcom-WL-IPTag/Open:>> | |
26 | * | |
5a068558 | 27 | * $Id: wl_cfgp2p.c 819437 2019-05-13 12:34:56Z $ |
1cac41cb MB |
28 | * |
29 | */ | |
30 | #include <typedefs.h> | |
31 | #include <linuxver.h> | |
32 | #include <osl.h> | |
33 | #include <linux/kernel.h> | |
34 | #include <linux/kthread.h> | |
35 | #include <linux/netdevice.h> | |
36 | #include <linux/etherdevice.h> | |
37 | #include <linux/types.h> | |
38 | #include <linux/string.h> | |
39 | #include <linux/timer.h> | |
40 | #include <linux/if_arp.h> | |
41 | #include <asm/uaccess.h> | |
42 | ||
43 | #include <bcmutils.h> | |
44 | #include <bcmendian.h> | |
45 | #include <ethernet.h> | |
46 | #include <802.11.h> | |
47 | #include <net/rtnetlink.h> | |
48 | ||
49 | #include <wl_cfg80211.h> | |
50 | #include <wl_cfgp2p.h> | |
51 | #include <wldev_common.h> | |
52 | #include <wl_android.h> | |
53 | #include <dngl_stats.h> | |
54 | #include <dhd.h> | |
55 | #include <dhd_linux.h> | |
56 | #include <dhdioctl.h> | |
57 | #include <wlioctl.h> | |
58 | #include <dhd_cfg80211.h> | |
59 | ||
60 | #if defined(BCMPCIE) && defined(DHD_FW_COREDUMP) | |
61 | extern int dhd_bus_mem_dump(dhd_pub_t *dhd); | |
62 | #endif /* BCMPCIE && DHD_FW_COREDUMP */ | |
63 | static s8 scanparambuf[WLC_IOCTL_SMLEN]; | |
64 | static bool | |
65 | wl_cfgp2p_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, const u8 *oui, u32 oui_len, u8 type); | |
66 | ||
67 | static s32 wl_cfgp2p_cancel_listen(struct bcm_cfg80211 *cfg, struct net_device *ndev, | |
68 | struct wireless_dev *wdev, bool notify); | |
69 | ||
70 | #if defined(WL_ENABLE_P2P_IF) | |
71 | static int wl_cfgp2p_start_xmit(struct sk_buff *skb, struct net_device *ndev); | |
72 | static int wl_cfgp2p_do_ioctl(struct net_device *net, struct ifreq *ifr, int cmd); | |
73 | static int wl_cfgp2p_if_open(struct net_device *net); | |
74 | static int wl_cfgp2p_if_stop(struct net_device *net); | |
75 | ||
76 | static const struct net_device_ops wl_cfgp2p_if_ops = { | |
77 | .ndo_open = wl_cfgp2p_if_open, | |
78 | .ndo_stop = wl_cfgp2p_if_stop, | |
79 | .ndo_do_ioctl = wl_cfgp2p_do_ioctl, | |
80 | .ndo_start_xmit = wl_cfgp2p_start_xmit, | |
81 | }; | |
82 | #endif /* WL_ENABLE_P2P_IF */ | |
83 | ||
84 | #if defined(WL_NEWCFG_PRIVCMD_SUPPORT) | |
85 | static int wl_cfgp2p_start_xmit(struct sk_buff *skb, struct net_device *ndev); | |
86 | static int wl_cfgp2p_do_ioctl(struct net_device *net, struct ifreq *ifr, int cmd); | |
87 | ||
88 | static int wl_cfgp2p_if_dummy(struct net_device *net) | |
89 | { | |
90 | return 0; | |
91 | } | |
92 | ||
93 | static const struct net_device_ops wl_cfgp2p_if_ops = { | |
94 | .ndo_open = wl_cfgp2p_if_dummy, | |
95 | .ndo_stop = wl_cfgp2p_if_dummy, | |
96 | .ndo_do_ioctl = wl_cfgp2p_do_ioctl, | |
97 | .ndo_start_xmit = wl_cfgp2p_start_xmit, | |
98 | }; | |
99 | #endif /* WL_NEWCFG_PRIVCMD_SUPPORT */ | |
100 | ||
101 | bool wl_cfgp2p_is_pub_action(void *frame, u32 frame_len) | |
102 | { | |
103 | wifi_p2p_pub_act_frame_t *pact_frm; | |
104 | ||
105 | if (frame == NULL) | |
106 | return false; | |
107 | pact_frm = (wifi_p2p_pub_act_frame_t *)frame; | |
108 | if (frame_len < sizeof(wifi_p2p_pub_act_frame_t) -1) | |
109 | return false; | |
110 | ||
111 | if (pact_frm->category == P2P_PUB_AF_CATEGORY && | |
112 | pact_frm->action == P2P_PUB_AF_ACTION && | |
113 | pact_frm->oui_type == P2P_VER && | |
114 | memcmp(pact_frm->oui, P2P_OUI, sizeof(pact_frm->oui)) == 0) { | |
115 | return true; | |
116 | } | |
117 | ||
118 | return false; | |
119 | } | |
120 | ||
121 | bool wl_cfgp2p_is_p2p_action(void *frame, u32 frame_len) | |
122 | { | |
123 | wifi_p2p_action_frame_t *act_frm; | |
124 | ||
125 | if (frame == NULL) | |
126 | return false; | |
127 | act_frm = (wifi_p2p_action_frame_t *)frame; | |
128 | if (frame_len < sizeof(wifi_p2p_action_frame_t) -1) | |
129 | return false; | |
130 | ||
131 | if (act_frm->category == P2P_AF_CATEGORY && | |
132 | act_frm->type == P2P_VER && | |
133 | memcmp(act_frm->OUI, P2P_OUI, DOT11_OUI_LEN) == 0) { | |
134 | return true; | |
135 | } | |
136 | ||
137 | return false; | |
138 | } | |
139 | ||
140 | #define GAS_RESP_LEN 2 | |
141 | #define DOUBLE_TLV_BODY_OFF 4 | |
142 | #define GAS_RESP_OFFSET 4 | |
143 | #define GAS_CRESP_OFFSET 5 | |
144 | ||
145 | bool wl_cfgp2p_find_gas_subtype(u8 subtype, u8* data, u32 len) | |
146 | { | |
147 | const bcm_tlv_t *ie = (bcm_tlv_t *)data; | |
148 | const u8 *frame = NULL; | |
149 | u16 id, flen; | |
150 | ||
151 | /* Skipped first ANQP Element, if frame has anqp elemnt */ | |
152 | ie = bcm_parse_tlvs(ie, len, DOT11_MNG_ADVERTISEMENT_ID); | |
153 | ||
154 | if (ie == NULL) | |
155 | return false; | |
156 | ||
157 | frame = (const uint8 *)ie + ie->len + TLV_HDR_LEN + GAS_RESP_LEN; | |
158 | id = ((u16) (((frame)[1] << 8) | (frame)[0])); | |
159 | flen = ((u16) (((frame)[3] << 8) | (frame)[2])); | |
160 | ||
161 | /* If the contents match the OUI and the type */ | |
162 | if (flen >= WFA_OUI_LEN + 1 && | |
163 | id == P2PSD_GAS_NQP_INFOID && | |
164 | !bcmp(&frame[DOUBLE_TLV_BODY_OFF], (const uint8*)WFA_OUI, WFA_OUI_LEN) && | |
165 | subtype == frame[DOUBLE_TLV_BODY_OFF+WFA_OUI_LEN]) { | |
166 | return true; | |
167 | } | |
168 | ||
169 | return false; | |
170 | } | |
171 | ||
172 | bool wl_cfgp2p_is_gas_action(void *frame, u32 frame_len) | |
173 | { | |
174 | ||
175 | wifi_p2psd_gas_pub_act_frame_t *sd_act_frm; | |
176 | ||
177 | if (frame == NULL) | |
178 | return false; | |
179 | ||
180 | sd_act_frm = (wifi_p2psd_gas_pub_act_frame_t *)frame; | |
181 | if (frame_len < (sizeof(wifi_p2psd_gas_pub_act_frame_t) - 1)) | |
182 | return false; | |
183 | if (sd_act_frm->category != P2PSD_ACTION_CATEGORY) | |
184 | return false; | |
185 | ||
186 | #ifdef WL11U | |
187 | if (sd_act_frm->action == P2PSD_ACTION_ID_GAS_IRESP) | |
188 | return wl_cfgp2p_find_gas_subtype(P2PSD_GAS_OUI_SUBTYPE, | |
189 | (u8 *)sd_act_frm->query_data + GAS_RESP_OFFSET, | |
190 | frame_len); | |
191 | ||
192 | else if (sd_act_frm->action == P2PSD_ACTION_ID_GAS_CRESP) | |
193 | return wl_cfgp2p_find_gas_subtype(P2PSD_GAS_OUI_SUBTYPE, | |
194 | (u8 *)sd_act_frm->query_data + GAS_CRESP_OFFSET, | |
195 | frame_len); | |
196 | else if (sd_act_frm->action == P2PSD_ACTION_ID_GAS_IREQ || | |
197 | sd_act_frm->action == P2PSD_ACTION_ID_GAS_CREQ) | |
198 | return true; | |
199 | else | |
200 | return false; | |
201 | #else | |
202 | if (sd_act_frm->action == P2PSD_ACTION_ID_GAS_IREQ || | |
203 | sd_act_frm->action == P2PSD_ACTION_ID_GAS_IRESP || | |
204 | sd_act_frm->action == P2PSD_ACTION_ID_GAS_CREQ || | |
205 | sd_act_frm->action == P2PSD_ACTION_ID_GAS_CRESP) | |
206 | return true; | |
207 | else | |
208 | return false; | |
209 | #endif /* WL11U */ | |
210 | } | |
211 | ||
212 | bool wl_cfgp2p_is_p2p_gas_action(void *frame, u32 frame_len) | |
213 | { | |
214 | ||
215 | wifi_p2psd_gas_pub_act_frame_t *sd_act_frm; | |
216 | ||
217 | if (frame == NULL) | |
218 | return false; | |
219 | ||
220 | sd_act_frm = (wifi_p2psd_gas_pub_act_frame_t *)frame; | |
221 | if (frame_len < (sizeof(wifi_p2psd_gas_pub_act_frame_t) - 1)) | |
222 | return false; | |
223 | if (sd_act_frm->category != P2PSD_ACTION_CATEGORY) | |
224 | return false; | |
225 | ||
226 | if (sd_act_frm->action == P2PSD_ACTION_ID_GAS_IREQ) | |
227 | return wl_cfgp2p_find_gas_subtype(P2PSD_GAS_OUI_SUBTYPE, | |
228 | (u8 *)sd_act_frm->query_data, | |
229 | frame_len); | |
230 | else | |
231 | return false; | |
232 | } | |
233 | ||
234 | void wl_cfgp2p_print_actframe(bool tx, void *frame, u32 frame_len, u32 channel) | |
235 | { | |
236 | wifi_p2p_pub_act_frame_t *pact_frm; | |
237 | wifi_p2p_action_frame_t *act_frm; | |
238 | wifi_p2psd_gas_pub_act_frame_t *sd_act_frm; | |
239 | if (!frame || frame_len <= 2) | |
240 | return; | |
241 | ||
242 | if (wl_cfgp2p_is_pub_action(frame, frame_len)) { | |
243 | pact_frm = (wifi_p2p_pub_act_frame_t *)frame; | |
244 | switch (pact_frm->subtype) { | |
245 | case P2P_PAF_GON_REQ: | |
246 | CFGP2P_ACTION(("%s P2P Group Owner Negotiation Req Frame," | |
247 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
248 | break; | |
249 | case P2P_PAF_GON_RSP: | |
250 | CFGP2P_ACTION(("%s P2P Group Owner Negotiation Rsp Frame," | |
251 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
252 | break; | |
253 | case P2P_PAF_GON_CONF: | |
254 | CFGP2P_ACTION(("%s P2P Group Owner Negotiation Confirm Frame," | |
255 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
256 | break; | |
257 | case P2P_PAF_INVITE_REQ: | |
258 | CFGP2P_ACTION(("%s P2P Invitation Request Frame," | |
259 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
260 | break; | |
261 | case P2P_PAF_INVITE_RSP: | |
262 | CFGP2P_ACTION(("%s P2P Invitation Response Frame," | |
263 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
264 | break; | |
265 | case P2P_PAF_DEVDIS_REQ: | |
266 | CFGP2P_ACTION(("%s P2P Device Discoverability Request Frame," | |
267 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
268 | break; | |
269 | case P2P_PAF_DEVDIS_RSP: | |
270 | CFGP2P_ACTION(("%s P2P Device Discoverability Response Frame," | |
271 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
272 | break; | |
273 | case P2P_PAF_PROVDIS_REQ: | |
274 | CFGP2P_ACTION(("%s P2P Provision Discovery Request Frame," | |
275 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
276 | break; | |
277 | case P2P_PAF_PROVDIS_RSP: | |
278 | CFGP2P_ACTION(("%s P2P Provision Discovery Response Frame," | |
279 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
280 | break; | |
281 | default: | |
282 | CFGP2P_ACTION(("%s Unknown Public Action Frame," | |
283 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
284 | ||
285 | } | |
286 | ||
287 | } else if (wl_cfgp2p_is_p2p_action(frame, frame_len)) { | |
288 | act_frm = (wifi_p2p_action_frame_t *)frame; | |
289 | switch (act_frm->subtype) { | |
290 | case P2P_AF_NOTICE_OF_ABSENCE: | |
291 | CFGP2P_ACTION(("%s P2P Notice of Absence Frame," | |
292 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
293 | break; | |
294 | case P2P_AF_PRESENCE_REQ: | |
295 | CFGP2P_ACTION(("%s P2P Presence Request Frame," | |
296 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
297 | break; | |
298 | case P2P_AF_PRESENCE_RSP: | |
299 | CFGP2P_ACTION(("%s P2P Presence Response Frame," | |
300 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
301 | break; | |
302 | case P2P_AF_GO_DISC_REQ: | |
303 | CFGP2P_ACTION(("%s P2P Discoverability Request Frame," | |
304 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
305 | break; | |
306 | default: | |
307 | CFGP2P_ACTION(("%s Unknown P2P Action Frame," | |
308 | " channel=%d\n", (tx)? "TX": "RX", channel)); | |
309 | } | |
310 | ||
311 | } else if (wl_cfgp2p_is_gas_action(frame, frame_len)) { | |
312 | sd_act_frm = (wifi_p2psd_gas_pub_act_frame_t *)frame; | |
313 | switch (sd_act_frm->action) { | |
314 | case P2PSD_ACTION_ID_GAS_IREQ: | |
315 | CFGP2P_ACTION(("%s GAS Initial Request," | |
316 | " channel=%d\n", (tx)? "TX" : "RX", channel)); | |
317 | break; | |
318 | case P2PSD_ACTION_ID_GAS_IRESP: | |
319 | CFGP2P_ACTION(("%s GAS Initial Response," | |
320 | " channel=%d\n", (tx)? "TX" : "RX", channel)); | |
321 | break; | |
322 | case P2PSD_ACTION_ID_GAS_CREQ: | |
323 | CFGP2P_ACTION(("%s GAS Comback Request," | |
324 | " channel=%d\n", (tx)? "TX" : "RX", channel)); | |
325 | break; | |
326 | case P2PSD_ACTION_ID_GAS_CRESP: | |
327 | CFGP2P_ACTION(("%s GAS Comback Response," | |
328 | " channel=%d\n", (tx)? "TX" : "RX", channel)); | |
329 | break; | |
330 | default: | |
331 | CFGP2P_ACTION(("%s Unknown GAS Frame," | |
332 | " channel=%d\n", (tx)? "TX" : "RX", channel)); | |
333 | } | |
334 | ||
335 | } | |
336 | } | |
337 | ||
338 | /* | |
339 | * Initialize variables related to P2P | |
340 | * | |
341 | */ | |
342 | s32 | |
343 | wl_cfgp2p_init_priv(struct bcm_cfg80211 *cfg) | |
344 | { | |
345 | CFGP2P_INFO(("In\n")); | |
346 | cfg->p2p = MALLOCZ(cfg->osh, sizeof(struct p2p_info)); | |
347 | if (cfg->p2p == NULL) { | |
348 | CFGP2P_ERR(("struct p2p_info allocation failed\n")); | |
349 | return -ENOMEM; | |
350 | } | |
351 | ||
352 | wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY) = bcmcfg_to_prmry_ndev(cfg); | |
353 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_PRIMARY) = 0; | |
354 | wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE) = NULL; | |
355 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE) = 0; | |
356 | wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION1) = NULL; | |
357 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION1) = -1; | |
358 | wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_CONNECTION2) = NULL; | |
359 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION2) = -1; | |
360 | return BCME_OK; | |
361 | ||
362 | } | |
363 | /* | |
364 | * Deinitialize variables related to P2P | |
365 | * | |
366 | */ | |
367 | void | |
368 | wl_cfgp2p_deinit_priv(struct bcm_cfg80211 *cfg) | |
369 | { | |
370 | CFGP2P_INFO(("In\n")); | |
371 | if (cfg->p2p) { | |
372 | MFREE(cfg->osh, cfg->p2p, sizeof(struct p2p_info)); | |
373 | cfg->p2p = NULL; | |
374 | } | |
375 | cfg->p2p_supported = 0; | |
376 | } | |
377 | /* | |
378 | * Set P2P functions into firmware | |
379 | */ | |
380 | s32 | |
381 | wl_cfgp2p_set_firm_p2p(struct bcm_cfg80211 *cfg) | |
382 | { | |
383 | struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); | |
384 | struct ether_addr null_eth_addr = { { 0, 0, 0, 0, 0, 0 } }; | |
385 | s32 ret = BCME_OK; | |
386 | s32 val = 0; | |
387 | /* Do we have to check whether APSTA is enabled or not ? */ | |
388 | ret = wldev_iovar_getint(ndev, "apsta", &val); | |
389 | if (ret < 0) { | |
390 | CFGP2P_ERR(("get apsta error %d\n", ret)); | |
391 | return ret; | |
392 | } | |
393 | if (val == 0) { | |
394 | val = 1; | |
395 | ret = wldev_ioctl_set(ndev, WLC_DOWN, &val, sizeof(s32)); | |
396 | if (ret < 0) { | |
397 | CFGP2P_ERR(("WLC_DOWN error %d\n", ret)); | |
398 | return ret; | |
399 | } | |
400 | ||
401 | ret = wldev_iovar_setint(ndev, "apsta", val); | |
402 | if (ret < 0) { | |
403 | /* return error and fail the initialization */ | |
404 | CFGP2P_ERR(("wl apsta %d set error. ret: %d\n", val, ret)); | |
405 | return ret; | |
406 | } | |
407 | ||
408 | ret = wldev_ioctl_set(ndev, WLC_UP, &val, sizeof(s32)); | |
409 | if (ret < 0) { | |
410 | CFGP2P_ERR(("WLC_UP error %d\n", ret)); | |
411 | return ret; | |
412 | } | |
413 | } | |
414 | ||
415 | /* In case of COB type, firmware has default mac address | |
416 | * After Initializing firmware, we have to set current mac address to | |
417 | * firmware for P2P device address | |
418 | */ | |
419 | ret = wldev_iovar_setbuf_bsscfg(ndev, "p2p_da_override", &null_eth_addr, | |
420 | sizeof(null_eth_addr), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, 0, &cfg->ioctl_buf_sync); | |
421 | if (ret && ret != BCME_UNSUPPORTED) { | |
422 | CFGP2P_ERR(("failed to update device address ret %d\n", ret)); | |
423 | } | |
424 | return ret; | |
425 | } | |
426 | ||
427 | int wl_cfg_multip2p_operational(struct bcm_cfg80211 *cfg) | |
428 | { | |
429 | if (!cfg->p2p) { | |
430 | CFGP2P_DBG(("p2p not enabled! \n")); | |
431 | return false; | |
432 | } | |
433 | ||
434 | if ((wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION1) != -1) && | |
435 | (wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION2) != -1)) | |
436 | return true; | |
437 | else | |
438 | return false; | |
439 | } | |
440 | ||
441 | /* Create a new P2P BSS. | |
442 | * Parameters: | |
443 | * @mac : MAC address of the BSS to create | |
444 | * @if_type : interface type: WL_P2P_IF_GO or WL_P2P_IF_CLIENT | |
445 | * @chspec : chspec to use if creating a GO BSS. | |
446 | * Returns 0 if success. | |
447 | */ | |
448 | s32 | |
449 | wl_cfgp2p_ifadd(struct bcm_cfg80211 *cfg, struct ether_addr *mac, u8 if_type, | |
450 | chanspec_t chspec) | |
451 | { | |
452 | wl_p2p_if_t ifreq; | |
453 | s32 err; | |
454 | struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); | |
455 | ||
456 | ifreq.type = if_type; | |
457 | ifreq.chspec = chspec; | |
458 | memcpy(ifreq.addr.octet, mac->octet, sizeof(ifreq.addr.octet)); | |
459 | ||
460 | CFGP2P_ERR(("---cfg p2p_ifadd "MACDBG" %s %u\n", | |
461 | MAC2STRDBG(ifreq.addr.octet), | |
462 | (if_type == WL_P2P_IF_GO) ? "go" : "client", | |
463 | (chspec & WL_CHANSPEC_CHAN_MASK) >> WL_CHANSPEC_CHAN_SHIFT)); | |
464 | ||
465 | err = wldev_iovar_setbuf(ndev, "p2p_ifadd", &ifreq, sizeof(ifreq), | |
466 | cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); | |
467 | if (unlikely(err < 0)) { | |
468 | printk("'cfg p2p_ifadd' error %d\n", err); | |
469 | return err; | |
470 | } | |
471 | ||
472 | return err; | |
473 | } | |
474 | ||
475 | /* Disable a P2P BSS. | |
476 | * Parameters: | |
477 | * @mac : MAC address of the BSS to disable | |
478 | * Returns 0 if success. | |
479 | */ | |
480 | s32 | |
481 | wl_cfgp2p_ifdisable(struct bcm_cfg80211 *cfg, struct ether_addr *mac) | |
482 | { | |
483 | s32 ret; | |
484 | struct net_device *netdev = bcmcfg_to_prmry_ndev(cfg); | |
485 | ||
486 | CFGP2P_INFO(("------ cfg p2p_ifdis "MACDBG" dev->ifindex:%d \n", | |
487 | MAC2STRDBG(mac->octet), netdev->ifindex)); | |
488 | ret = wldev_iovar_setbuf(netdev, "p2p_ifdis", mac, sizeof(*mac), | |
489 | cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); | |
490 | if (unlikely(ret < 0)) { | |
491 | printk("'cfg p2p_ifdis' error %d\n", ret); | |
492 | } | |
493 | return ret; | |
494 | } | |
495 | ||
496 | /* Delete a P2P BSS. | |
497 | * Parameters: | |
498 | * @mac : MAC address of the BSS to delete | |
499 | * Returns 0 if success. | |
500 | */ | |
501 | s32 | |
502 | wl_cfgp2p_ifdel(struct bcm_cfg80211 *cfg, struct ether_addr *mac) | |
503 | { | |
504 | s32 ret; | |
505 | struct net_device *netdev = bcmcfg_to_prmry_ndev(cfg); | |
506 | ||
507 | CFGP2P_ERR(("------ cfg p2p_ifdel "MACDBG" dev->ifindex:%d\n", | |
508 | MAC2STRDBG(mac->octet), netdev->ifindex)); | |
509 | ret = wldev_iovar_setbuf(netdev, "p2p_ifdel", mac, sizeof(*mac), | |
510 | cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); | |
511 | if (unlikely(ret < 0)) { | |
512 | printk("'cfg p2p_ifdel' error %d\n", ret); | |
513 | } | |
514 | return ret; | |
515 | } | |
516 | ||
517 | /* Change a P2P Role. | |
518 | * Parameters: | |
519 | * @mac : MAC address of the BSS to change a role | |
520 | * Returns 0 if success. | |
521 | */ | |
522 | s32 | |
523 | wl_cfgp2p_ifchange(struct bcm_cfg80211 *cfg, struct ether_addr *mac, u8 if_type, | |
524 | chanspec_t chspec, s32 conn_idx) | |
525 | { | |
526 | wl_p2p_if_t ifreq; | |
527 | s32 err; | |
528 | ||
529 | struct net_device *netdev = wl_to_p2p_bss_ndev(cfg, conn_idx); | |
530 | ||
531 | ifreq.type = if_type; | |
532 | ifreq.chspec = chspec; | |
533 | memcpy(ifreq.addr.octet, mac->octet, sizeof(ifreq.addr.octet)); | |
534 | ||
535 | CFGP2P_INFO(("---cfg p2p_ifchange "MACDBG" %s %u" | |
536 | " chanspec 0x%04x\n", MAC2STRDBG(ifreq.addr.octet), | |
537 | (if_type == WL_P2P_IF_GO) ? "go" : "client", | |
538 | (chspec & WL_CHANSPEC_CHAN_MASK) >> WL_CHANSPEC_CHAN_SHIFT, | |
539 | ifreq.chspec)); | |
540 | ||
541 | err = wldev_iovar_setbuf(netdev, "p2p_ifupd", &ifreq, sizeof(ifreq), | |
542 | cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); | |
543 | if (unlikely(err < 0)) { | |
544 | printk("'cfg p2p_ifupd' error %d\n", err); | |
545 | } else if (if_type == WL_P2P_IF_GO) { | |
546 | cfg->p2p->p2p_go_count++; | |
547 | } | |
548 | return err; | |
549 | } | |
550 | ||
551 | /* Get the index of a created P2P BSS. | |
552 | * Parameters: | |
553 | * @mac : MAC address of the created BSS | |
554 | * @index : output: index of created BSS | |
555 | * Returns 0 if success. | |
556 | */ | |
557 | s32 | |
558 | wl_cfgp2p_ifidx(struct bcm_cfg80211 *cfg, struct ether_addr *mac, s32 *index) | |
559 | { | |
560 | s32 ret; | |
561 | u8 getbuf[64]; | |
562 | struct net_device *dev = bcmcfg_to_prmry_ndev(cfg); | |
563 | ||
564 | CFGP2P_INFO(("---cfg p2p_if "MACDBG"\n", MAC2STRDBG(mac->octet))); | |
565 | ||
566 | ret = wldev_iovar_getbuf_bsscfg(dev, "p2p_if", mac, sizeof(*mac), getbuf, | |
567 | sizeof(getbuf), wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_PRIMARY), NULL); | |
568 | ||
569 | if (ret == 0) { | |
570 | memcpy(index, getbuf, sizeof(s32)); | |
571 | CFGP2P_DBG(("---cfg p2p_if ==> %d\n", *index)); | |
572 | } | |
573 | ||
574 | return ret; | |
575 | } | |
576 | ||
577 | static s32 | |
578 | wl_cfgp2p_set_discovery(struct bcm_cfg80211 *cfg, s32 on) | |
579 | { | |
580 | s32 ret = BCME_OK; | |
581 | struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); | |
582 | CFGP2P_DBG(("enter\n")); | |
583 | ||
584 | ret = wldev_iovar_setint(ndev, "p2p_disc", on); | |
585 | ||
586 | if (unlikely(ret < 0)) { | |
587 | CFGP2P_ERR(("p2p_disc %d error %d\n", on, ret)); | |
588 | } | |
589 | ||
590 | return ret; | |
591 | } | |
592 | ||
593 | /* Set the WL driver's P2P mode. | |
594 | * Parameters : | |
595 | * @mode : is one of WL_P2P_DISC_ST_{SCAN,LISTEN,SEARCH}. | |
596 | * @channel : the channel to listen | |
597 | * @listen_ms : the time (milli seconds) to wait | |
598 | * @bssidx : bss index for BSSCFG | |
599 | * Returns 0 if success | |
600 | */ | |
601 | ||
602 | s32 | |
603 | wl_cfgp2p_set_p2p_mode(struct bcm_cfg80211 *cfg, u8 mode, u32 channel, u16 listen_ms, int bssidx) | |
604 | { | |
605 | wl_p2p_disc_st_t discovery_mode; | |
606 | s32 ret; | |
607 | struct net_device *dev; | |
608 | CFGP2P_DBG(("enter\n")); | |
609 | ||
610 | if (unlikely(bssidx == WL_INVALID)) { | |
611 | CFGP2P_ERR((" %d index out of range\n", bssidx)); | |
612 | return -1; | |
613 | } | |
614 | ||
615 | dev = wl_cfgp2p_find_ndev(cfg, bssidx); | |
616 | if (unlikely(dev == NULL)) { | |
617 | CFGP2P_ERR(("bssidx %d is not assigned\n", bssidx)); | |
618 | return BCME_NOTFOUND; | |
619 | } | |
620 | ||
621 | #ifdef P2PLISTEN_AP_SAMECHN | |
622 | CFGP2P_DBG(("p2p0 listen channel %d AP connection chan %d \n", | |
623 | channel, cfg->channel)); | |
624 | if ((mode == WL_P2P_DISC_ST_LISTEN) && (cfg->channel == channel)) { | |
625 | struct net_device *primary_ndev = bcmcfg_to_prmry_ndev(cfg); | |
626 | ||
627 | if (cfg->p2p_resp_apchn_status) { | |
628 | CFGP2P_DBG(("p2p_resp_apchn_status already ON \n")); | |
629 | return BCME_OK; | |
630 | } | |
631 | ||
632 | if (wl_get_drv_status(cfg, CONNECTED, primary_ndev)) { | |
633 | ret = wl_cfg80211_set_p2p_resp_ap_chn(primary_ndev, 1); | |
634 | cfg->p2p_resp_apchn_status = true; | |
635 | CFGP2P_DBG(("p2p_resp_apchn_status ON \n")); | |
636 | return ret; | |
637 | } | |
638 | } | |
639 | #endif /* P2PLISTEN_AP_SAMECHN */ | |
640 | ||
641 | /* Put the WL driver into P2P Listen Mode to respond to P2P probe reqs */ | |
642 | discovery_mode.state = mode; | |
643 | discovery_mode.chspec = wl_ch_host_to_driver(channel); | |
644 | discovery_mode.dwell = listen_ms; | |
645 | ret = wldev_iovar_setbuf_bsscfg(dev, "p2p_state", &discovery_mode, | |
646 | sizeof(discovery_mode), cfg->ioctl_buf, WLC_IOCTL_MAXLEN, | |
647 | bssidx, &cfg->ioctl_buf_sync); | |
648 | ||
649 | return ret; | |
650 | } | |
651 | ||
652 | /* Get the index of the P2P Discovery BSS */ | |
653 | static s32 | |
654 | wl_cfgp2p_get_disc_idx(struct bcm_cfg80211 *cfg, s32 *index) | |
655 | { | |
656 | s32 ret; | |
657 | struct net_device *dev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY); | |
658 | ||
659 | ret = wldev_iovar_getint(dev, "p2p_dev", index); | |
660 | CFGP2P_INFO(("p2p_dev bsscfg_idx=%d ret=%d\n", *index, ret)); | |
661 | ||
662 | if (unlikely(ret < 0)) { | |
663 | CFGP2P_ERR(("'p2p_dev' error %d\n", ret)); | |
664 | return ret; | |
665 | } | |
666 | return ret; | |
667 | } | |
668 | ||
669 | int wl_cfgp2p_get_conn_idx(struct bcm_cfg80211 *cfg) | |
670 | { | |
671 | int i; | |
672 | s32 connected_cnt; | |
673 | dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); | |
674 | if (!dhd) | |
675 | return (-ENODEV); | |
676 | for (i = P2PAPI_BSSCFG_CONNECTION1; i < P2PAPI_BSSCFG_MAX; i++) { | |
677 | if (wl_to_p2p_bss_bssidx(cfg, i) == -1) { | |
678 | if (i == P2PAPI_BSSCFG_CONNECTION2) { | |
679 | if (!(dhd->op_mode & DHD_FLAG_MP2P_MODE)) { | |
680 | CFGP2P_ERR(("Multi p2p not supported")); | |
681 | return BCME_ERROR; | |
682 | } | |
683 | if ((connected_cnt = wl_get_drv_status_all(cfg, CONNECTED)) > 1) { | |
684 | CFGP2P_ERR(("Failed to create second p2p interface" | |
685 | "Already one connection exists")); | |
686 | return BCME_ERROR; | |
687 | } | |
688 | } | |
689 | return i; | |
690 | } | |
691 | } | |
692 | return BCME_ERROR; | |
693 | } | |
694 | ||
695 | s32 | |
696 | wl_cfgp2p_init_discovery(struct bcm_cfg80211 *cfg) | |
697 | { | |
698 | ||
699 | s32 bssidx = 0; | |
700 | s32 ret = BCME_OK; | |
701 | struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); | |
702 | ||
703 | BCM_REFERENCE(ndev); | |
704 | CFGP2P_DBG(("enter\n")); | |
705 | if (wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE) > 0) { | |
706 | CFGP2P_ERR(("do nothing, already initialized\n")); | |
707 | return ret; | |
708 | } | |
709 | ||
710 | ret = wl_cfgp2p_set_discovery(cfg, 1); | |
711 | if (ret < 0) { | |
712 | CFGP2P_ERR(("set discover error\n")); | |
713 | goto exit; | |
714 | } | |
715 | /* Enable P2P Discovery in the WL Driver */ | |
716 | ret = wl_cfgp2p_get_disc_idx(cfg, &bssidx); | |
717 | if (ret < 0) { | |
718 | goto exit; | |
719 | } | |
720 | ||
721 | /* In case of CFG80211 case, check if p2p_discovery interface has allocated p2p_wdev */ | |
722 | if (!cfg->p2p_wdev) { | |
723 | CFGP2P_ERR(("p2p_wdev is NULL.\n")); | |
724 | ret = -ENODEV; | |
725 | goto exit; | |
726 | } | |
727 | ||
728 | /* Once p2p also starts using interface_create iovar, the ifidx may change. | |
729 | * so that time, the ifidx returned in WLC_E_IF should be used for populating | |
730 | * the netinfo | |
731 | */ | |
92faf122 | 732 | ret = wl_alloc_netinfo(cfg, NULL, cfg->p2p_wdev, WL_IF_TYPE_STA, 0, bssidx, 0); |
1cac41cb MB |
733 | if (unlikely(ret)) { |
734 | goto exit; | |
735 | } | |
736 | wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE) = | |
737 | wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY); | |
738 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE) = bssidx; | |
739 | ||
740 | /* Set the initial discovery state to SCAN */ | |
741 | ret = wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0, | |
742 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE)); | |
743 | if (unlikely(ret != 0)) { | |
744 | CFGP2P_ERR(("unable to set WL_P2P_DISC_ST_SCAN\n")); | |
745 | wl_cfgp2p_set_discovery(cfg, 0); | |
746 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE) = 0; | |
747 | wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE) = NULL; | |
748 | ret = 0; | |
749 | goto exit; | |
750 | } | |
751 | ||
752 | /* Clear our saved WPS and P2P IEs for the discovery BSS */ | |
753 | wl_cfg80211_clear_p2p_disc_ies(cfg); | |
754 | exit: | |
755 | if (ret) { | |
756 | wl_flush_fw_log_buffer(ndev, FW_LOGSET_MASK_ALL); | |
757 | } | |
758 | return ret; | |
759 | } | |
760 | ||
761 | /* Deinitialize P2P Discovery | |
762 | * Parameters : | |
763 | * @cfg : wl_private data | |
764 | * Returns 0 if succes | |
765 | */ | |
766 | static s32 | |
767 | wl_cfgp2p_deinit_discovery(struct bcm_cfg80211 *cfg) | |
768 | { | |
769 | s32 ret = BCME_OK; | |
770 | s32 bssidx; | |
771 | ||
772 | CFGP2P_DBG(("enter\n")); | |
773 | bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); | |
774 | if (bssidx <= 0) { | |
775 | CFGP2P_ERR(("do nothing, not initialized\n")); | |
776 | return -1; | |
777 | } | |
778 | ||
779 | /* Clear our saved WPS and P2P IEs for the discovery BSS */ | |
780 | wl_cfg80211_clear_p2p_disc_ies(cfg); | |
781 | ||
782 | /* Set the discovery state to SCAN */ | |
783 | wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0, | |
784 | bssidx); | |
785 | /* Disable P2P discovery in the WL driver (deletes the discovery BSSCFG) */ | |
786 | ret = wl_cfgp2p_set_discovery(cfg, 0); | |
787 | ||
788 | /* Remove the p2p disc entry in the netinfo */ | |
789 | wl_dealloc_netinfo_by_wdev(cfg, cfg->p2p_wdev); | |
790 | ||
791 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE) = WL_INVALID; | |
792 | wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE) = NULL; | |
793 | ||
794 | return ret; | |
795 | ||
796 | } | |
797 | /* Enable P2P Discovery | |
798 | * Parameters: | |
799 | * @cfg : wl_private data | |
800 | * @ie : probe request ie (WPS IE + P2P IE) | |
801 | * @ie_len : probe request ie length | |
802 | * Returns 0 if success. | |
803 | */ | |
804 | s32 | |
805 | wl_cfgp2p_enable_discovery(struct bcm_cfg80211 *cfg, struct net_device *dev, | |
806 | const u8 *ie, u32 ie_len) | |
807 | { | |
808 | s32 ret = BCME_OK; | |
809 | s32 bssidx; | |
810 | bcm_struct_cfgdev *cfgdev; | |
811 | ||
812 | CFGP2P_DBG(("enter\n")); | |
813 | if (wl_get_p2p_status(cfg, DISCOVERY_ON)) { | |
814 | CFGP2P_DBG((" DISCOVERY is already initialized, we have nothing to do\n")); | |
815 | goto set_ie; | |
816 | } | |
817 | ||
818 | ret = wl_cfgp2p_init_discovery(cfg); | |
819 | if (unlikely(ret < 0)) { | |
820 | CFGP2P_ERR((" init discovery error %d\n", ret)); | |
821 | goto exit; | |
822 | } | |
823 | ||
824 | wl_set_p2p_status(cfg, DISCOVERY_ON); | |
825 | /* Set wsec to any non-zero value in the discovery bsscfg to ensure our | |
826 | * P2P probe responses have the privacy bit set in the 802.11 WPA IE. | |
827 | * Some peer devices may not initiate WPS with us if this bit is not set. | |
828 | */ | |
829 | ret = wldev_iovar_setint_bsscfg(wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE), | |
830 | "wsec", AES_ENABLED, wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE)); | |
831 | if (unlikely(ret < 0)) { | |
832 | CFGP2P_ERR((" wsec error %d\n", ret)); | |
833 | } | |
834 | set_ie: | |
835 | if (ie_len) { | |
836 | ||
837 | if (bcmcfg_to_prmry_ndev(cfg) == dev) { | |
838 | bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); | |
839 | } else if ((bssidx = wl_get_bssidx_by_wdev(cfg, cfg->p2p_wdev)) < 0) { | |
840 | WL_ERR(("Find p2p index from wdev(%p) failed\n", cfg->p2p_wdev)); | |
841 | return BCME_ERROR; | |
842 | } | |
843 | ||
844 | #if defined(WL_CFG80211_P2P_DEV_IF) | |
845 | /* For 3.8+ kernels, pass p2p discovery wdev */ | |
846 | cfgdev = cfg->p2p_wdev; | |
847 | #else | |
848 | /* Prior to 3.8 kernel, there is no netless p2p, so pass p2p0 ndev */ | |
849 | cfgdev = ndev_to_cfgdev(dev); | |
850 | #endif /* WL_CFG80211_P2P_DEV_IF */ | |
851 | ret = wl_cfg80211_set_mgmt_vndr_ies(cfg, cfgdev, | |
852 | bssidx, VNDR_IE_PRBREQ_FLAG, ie, ie_len); | |
853 | if (unlikely(ret < 0)) { | |
854 | CFGP2P_ERR(("set probreq ie occurs error %d\n", ret)); | |
855 | goto exit; | |
856 | } | |
857 | } | |
858 | exit: | |
859 | if (ret) { | |
860 | wl_flush_fw_log_buffer(dev, FW_LOGSET_MASK_ALL); | |
861 | } | |
862 | return ret; | |
863 | } | |
864 | ||
865 | /* Disable P2P Discovery | |
866 | * Parameters: | |
867 | * @cfg : wl_private_data | |
868 | * Returns 0 if success. | |
869 | */ | |
870 | s32 | |
871 | wl_cfgp2p_disable_discovery(struct bcm_cfg80211 *cfg) | |
872 | { | |
873 | s32 ret = BCME_OK; | |
874 | s32 bssidx; | |
875 | ||
876 | CFGP2P_DBG((" enter\n")); | |
877 | wl_clr_p2p_status(cfg, DISCOVERY_ON); | |
878 | #ifdef DHD_IFDEBUG | |
879 | WL_ERR(("%s: bssidx: %d\n", | |
880 | __FUNCTION__, (cfg)->p2p->bss[P2PAPI_BSSCFG_DEVICE].bssidx)); | |
881 | #endif // endif | |
882 | bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); | |
883 | if (bssidx <= 0) { | |
884 | CFGP2P_ERR((" do nothing, not initialized\n")); | |
885 | return 0; | |
886 | } | |
887 | ||
888 | ret = wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0, bssidx); | |
889 | if (unlikely(ret < 0)) { | |
890 | CFGP2P_ERR(("unable to set WL_P2P_DISC_ST_SCAN\n")); | |
891 | } | |
892 | /* Do a scan abort to stop the driver's scan engine in case it is still | |
893 | * waiting out an action frame tx dwell time. | |
894 | */ | |
895 | #ifdef NOT_YET | |
896 | if (wl_get_p2p_status(cfg, SCANNING)) { | |
897 | p2pwlu_scan_abort(hdl, FALSE); | |
898 | } | |
899 | #endif // endif | |
900 | wl_clr_p2p_status(cfg, DISCOVERY_ON); | |
901 | ret = wl_cfgp2p_deinit_discovery(cfg); | |
902 | ||
903 | return ret; | |
904 | } | |
905 | ||
906 | s32 | |
907 | wl_cfgp2p_escan(struct bcm_cfg80211 *cfg, struct net_device *dev, u16 active, | |
908 | u32 num_chans, u16 *channels, | |
909 | s32 search_state, u16 action, u32 bssidx, struct ether_addr *tx_dst_addr, | |
910 | p2p_scan_purpose_t p2p_scan_purpose) | |
911 | { | |
912 | s32 ret = BCME_OK; | |
913 | s32 memsize; | |
914 | s32 eparams_size; | |
915 | u32 i; | |
916 | s8 *memblk; | |
917 | wl_p2p_scan_t *p2p_params; | |
918 | wl_escan_params_t *eparams; | |
919 | wlc_ssid_t ssid; | |
920 | /* Scan parameters */ | |
921 | #define P2PAPI_SCAN_NPROBES 1 | |
922 | #define P2PAPI_SCAN_DWELL_TIME_MS 80 | |
923 | #define P2PAPI_SCAN_SOCIAL_DWELL_TIME_MS 40 | |
924 | #define P2PAPI_SCAN_HOME_TIME_MS 60 | |
925 | #define P2PAPI_SCAN_NPROBS_TIME_MS 30 | |
926 | #define P2PAPI_SCAN_AF_SEARCH_DWELL_TIME_MS 100 | |
927 | ||
928 | struct net_device *pri_dev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_PRIMARY); | |
929 | /* Allocate scan params which need space for 3 channels and 0 ssids */ | |
930 | eparams_size = (WL_SCAN_PARAMS_FIXED_SIZE + | |
931 | OFFSETOF(wl_escan_params_t, params)) + | |
932 | num_chans * sizeof(eparams->params.channel_list[0]); | |
933 | ||
934 | memsize = sizeof(wl_p2p_scan_t) + eparams_size; | |
935 | memblk = scanparambuf; | |
936 | if (memsize > sizeof(scanparambuf)) { | |
937 | CFGP2P_ERR((" scanpar buf too small (%u > %zu)\n", | |
938 | memsize, sizeof(scanparambuf))); | |
939 | return -1; | |
940 | } | |
941 | memset(memblk, 0, memsize); | |
942 | memset(cfg->ioctl_buf, 0, WLC_IOCTL_MAXLEN); | |
943 | if (search_state == WL_P2P_DISC_ST_SEARCH) { | |
944 | /* | |
945 | * If we in SEARCH STATE, we don't need to set SSID explictly | |
946 | * because dongle use P2P WILDCARD internally by default | |
947 | */ | |
948 | wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SEARCH, 0, 0, bssidx); | |
949 | /* use null ssid */ | |
950 | ssid.SSID_len = 0; | |
951 | memset(&ssid.SSID, 0, sizeof(ssid.SSID)); | |
952 | } else if (search_state == WL_P2P_DISC_ST_SCAN) { | |
953 | /* SCAN STATE 802.11 SCAN | |
954 | * WFD Supplicant has p2p_find command with (type=progressive, type= full) | |
955 | * So if P2P_find command with type=progressive, | |
956 | * we have to set ssid to P2P WILDCARD because | |
957 | * we just do broadcast scan unless setting SSID | |
958 | */ | |
959 | wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0, bssidx); | |
960 | /* use wild card ssid */ | |
961 | ssid.SSID_len = WL_P2P_WILDCARD_SSID_LEN; | |
962 | memset(&ssid.SSID, 0, sizeof(ssid.SSID)); | |
963 | memcpy(&ssid.SSID, WL_P2P_WILDCARD_SSID, WL_P2P_WILDCARD_SSID_LEN); | |
964 | } else { | |
965 | CFGP2P_ERR((" invalid search state %d\n", search_state)); | |
966 | return -1; | |
967 | } | |
968 | ||
969 | /* Fill in the P2P scan structure at the start of the iovar param block */ | |
970 | p2p_params = (wl_p2p_scan_t*) memblk; | |
971 | p2p_params->type = 'E'; | |
972 | /* Fill in the Scan structure that follows the P2P scan structure */ | |
973 | eparams = (wl_escan_params_t*) (p2p_params + 1); | |
974 | eparams->params.bss_type = DOT11_BSSTYPE_ANY; | |
975 | if (active) | |
976 | eparams->params.scan_type = DOT11_SCANTYPE_ACTIVE; | |
977 | else | |
978 | eparams->params.scan_type = DOT11_SCANTYPE_PASSIVE; | |
979 | ||
980 | if (tx_dst_addr == NULL) | |
981 | memcpy(&eparams->params.bssid, ðer_bcast, ETHER_ADDR_LEN); | |
982 | else | |
983 | memcpy(&eparams->params.bssid, tx_dst_addr, ETHER_ADDR_LEN); | |
984 | ||
985 | if (ssid.SSID_len) | |
986 | memcpy(&eparams->params.ssid, &ssid, sizeof(wlc_ssid_t)); | |
987 | ||
988 | eparams->params.home_time = htod32(P2PAPI_SCAN_HOME_TIME_MS); | |
989 | ||
990 | switch (p2p_scan_purpose) { | |
991 | case P2P_SCAN_SOCIAL_CHANNEL: | |
992 | eparams->params.active_time = htod32(P2PAPI_SCAN_SOCIAL_DWELL_TIME_MS); | |
993 | break; | |
994 | case P2P_SCAN_AFX_PEER_NORMAL: | |
995 | case P2P_SCAN_AFX_PEER_REDUCED: | |
996 | eparams->params.active_time = htod32(P2PAPI_SCAN_AF_SEARCH_DWELL_TIME_MS); | |
997 | break; | |
998 | case P2P_SCAN_CONNECT_TRY: | |
999 | eparams->params.active_time = htod32(WL_SCAN_CONNECT_DWELL_TIME_MS); | |
1000 | break; | |
1001 | default : | |
1002 | if (wl_get_drv_status_all(cfg, CONNECTED)) | |
1003 | eparams->params.active_time = -1; | |
1004 | else | |
1005 | eparams->params.active_time = htod32(P2PAPI_SCAN_DWELL_TIME_MS); | |
1006 | break; | |
1007 | } | |
1008 | ||
1009 | if (p2p_scan_purpose == P2P_SCAN_CONNECT_TRY) | |
1010 | eparams->params.nprobes = htod32(eparams->params.active_time / | |
1011 | WL_SCAN_JOIN_PROBE_INTERVAL_MS); | |
1012 | else | |
1013 | eparams->params.nprobes = htod32((eparams->params.active_time / | |
1014 | P2PAPI_SCAN_NPROBS_TIME_MS)); | |
1015 | ||
1016 | if (eparams->params.nprobes <= 0) | |
1017 | eparams->params.nprobes = 1; | |
1018 | CFGP2P_DBG(("nprobes # %d, active_time %d\n", | |
1019 | eparams->params.nprobes, eparams->params.active_time)); | |
1020 | eparams->params.passive_time = htod32(-1); | |
1021 | eparams->params.channel_num = htod32((0 << WL_SCAN_PARAMS_NSSID_SHIFT) | | |
1022 | (num_chans & WL_SCAN_PARAMS_COUNT_MASK)); | |
1023 | ||
1024 | for (i = 0; i < num_chans; i++) { | |
1025 | eparams->params.channel_list[i] = | |
1026 | wl_ch_host_to_driver(channels[i]); | |
1027 | } | |
1028 | eparams->version = htod32(ESCAN_REQ_VERSION); | |
1029 | eparams->action = htod16(action); | |
1030 | wl_escan_set_sync_id(eparams->sync_id, cfg); | |
1031 | wl_escan_set_type(cfg, WL_SCANTYPE_P2P); | |
1032 | CFGP2P_DBG(("SCAN CHANNELS : ")); | |
1033 | ||
1034 | CFGP2P_DBG(("%d", channels[0])); | |
1035 | for (i = 1; i < num_chans; i++) { | |
1036 | CFGP2P_DBG((",%d", channels[i])); | |
1037 | } | |
1038 | CFGP2P_DBG(("\n")); | |
1039 | ||
1040 | ret = wldev_iovar_setbuf_bsscfg(pri_dev, "p2p_scan", | |
1041 | memblk, memsize, cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); | |
1042 | WL_ERR(("P2P_SEARCH sync ID: %d, bssidx: %d\n", eparams->sync_id, bssidx)); | |
1043 | if (ret == BCME_OK) | |
1044 | wl_set_p2p_status(cfg, SCANNING); | |
1045 | return ret; | |
1046 | } | |
1047 | ||
1048 | /* search function to reach at common channel to send action frame | |
1049 | * Parameters: | |
1050 | * @cfg : wl_private data | |
1051 | * @ndev : net device for bssidx | |
1052 | * @bssidx : bssidx for BSS | |
1053 | * Returns 0 if success. | |
1054 | */ | |
1055 | s32 | |
1056 | wl_cfgp2p_act_frm_search(struct bcm_cfg80211 *cfg, struct net_device *ndev, | |
1057 | s32 bssidx, s32 channel, struct ether_addr *tx_dst_addr) | |
1058 | { | |
1059 | s32 ret = 0; | |
1060 | u32 chan_cnt = 0; | |
1061 | u16 *default_chan_list = NULL; | |
1062 | p2p_scan_purpose_t p2p_scan_purpose = P2P_SCAN_AFX_PEER_NORMAL; | |
1063 | if (!p2p_is_on(cfg) || ndev == NULL || bssidx == WL_INVALID) | |
1064 | return -EINVAL; | |
1065 | WL_TRACE_HW4((" Enter\n")); | |
1066 | if (bssidx == wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_PRIMARY)) | |
1067 | bssidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); | |
1068 | if (channel) | |
1069 | chan_cnt = AF_PEER_SEARCH_CNT; | |
1070 | else | |
1071 | chan_cnt = SOCIAL_CHAN_CNT; | |
1072 | ||
1073 | if (cfg->afx_hdl->pending_tx_act_frm && cfg->afx_hdl->is_active) { | |
1074 | wl_action_frame_t *action_frame; | |
1075 | action_frame = &(cfg->afx_hdl->pending_tx_act_frm->action_frame); | |
1076 | if (wl_cfgp2p_is_p2p_gas_action(action_frame->data, action_frame->len)) { | |
1077 | chan_cnt = 1; | |
1078 | p2p_scan_purpose = P2P_SCAN_AFX_PEER_REDUCED; | |
1079 | } | |
1080 | } | |
1081 | ||
1082 | default_chan_list = (u16 *)MALLOCZ(cfg->osh, chan_cnt * sizeof(*default_chan_list)); | |
1083 | if (default_chan_list == NULL) { | |
1084 | CFGP2P_ERR(("channel list allocation failed \n")); | |
1085 | ret = -ENOMEM; | |
1086 | goto exit; | |
1087 | } | |
1088 | if (channel) { | |
1089 | u32 i; | |
1090 | /* insert same channel to the chan_list */ | |
1091 | for (i = 0; i < chan_cnt; i++) { | |
1092 | default_chan_list[i] = channel; | |
1093 | } | |
1094 | } else { | |
1095 | default_chan_list[0] = SOCIAL_CHAN_1; | |
1096 | default_chan_list[1] = SOCIAL_CHAN_2; | |
1097 | default_chan_list[2] = SOCIAL_CHAN_3; | |
1098 | } | |
1099 | ret = wl_cfgp2p_escan(cfg, ndev, true, chan_cnt, | |
1100 | default_chan_list, WL_P2P_DISC_ST_SEARCH, | |
1101 | WL_SCAN_ACTION_START, bssidx, NULL, p2p_scan_purpose); | |
1102 | MFREE(cfg->osh, default_chan_list, chan_cnt * sizeof(*default_chan_list)); | |
1103 | exit: | |
1104 | return ret; | |
1105 | } | |
1106 | ||
1107 | /* Check whether pointed-to IE looks like WPA. */ | |
1108 | #define wl_cfgp2p_is_wpa_ie(ie, tlvs, len) wl_cfgp2p_has_ie(ie, tlvs, len, \ | |
1109 | (const uint8 *)WPS_OUI, WPS_OUI_LEN, WPA_OUI_TYPE) | |
1110 | /* Check whether pointed-to IE looks like WPS. */ | |
1111 | #define wl_cfgp2p_is_wps_ie(ie, tlvs, len) wl_cfgp2p_has_ie(ie, tlvs, len, \ | |
1112 | (const uint8 *)WPS_OUI, WPS_OUI_LEN, WPS_OUI_TYPE) | |
1113 | /* Check whether the given IE looks like WFA P2P IE. */ | |
1114 | #define wl_cfgp2p_is_p2p_ie(ie, tlvs, len) wl_cfgp2p_has_ie(ie, tlvs, len, \ | |
1115 | (const uint8 *)WFA_OUI, WFA_OUI_LEN, WFA_OUI_TYPE_P2P) | |
1116 | /* Check whether the given IE looks like WFA WFDisplay IE. */ | |
1117 | #ifndef WFA_OUI_TYPE_WFD | |
1118 | #define WFA_OUI_TYPE_WFD 0x0a /* WiFi Display OUI TYPE */ | |
1119 | #endif // endif | |
1120 | #define wl_cfgp2p_is_wfd_ie(ie, tlvs, len) wl_cfgp2p_has_ie(ie, tlvs, len, \ | |
1121 | (const uint8 *)WFA_OUI, WFA_OUI_LEN, WFA_OUI_TYPE_WFD) | |
1122 | ||
1123 | /* Is any of the tlvs the expected entry? If | |
1124 | * not update the tlvs buffer pointer/length. | |
1125 | */ | |
1126 | static bool | |
1127 | wl_cfgp2p_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, const u8 *oui, u32 oui_len, u8 type) | |
1128 | { | |
1129 | /* If the contents match the OUI and the type */ | |
1130 | if (ie[TLV_LEN_OFF] >= oui_len + 1 && | |
1131 | !bcmp(&ie[TLV_BODY_OFF], oui, oui_len) && | |
1132 | type == ie[TLV_BODY_OFF + oui_len]) { | |
1133 | return TRUE; | |
1134 | } | |
1135 | ||
1136 | if (tlvs == NULL) | |
1137 | return FALSE; | |
1138 | /* point to the next ie */ | |
1139 | ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; | |
1140 | /* calculate the length of the rest of the buffer */ | |
1141 | *tlvs_len -= (int)(ie - *tlvs); | |
1142 | /* update the pointer to the start of the buffer */ | |
1143 | *tlvs = ie; | |
1144 | ||
1145 | return FALSE; | |
1146 | } | |
1147 | ||
1148 | const wpa_ie_fixed_t * | |
1149 | wl_cfgp2p_find_wpaie(const u8 *parse, u32 len) | |
1150 | { | |
1151 | const bcm_tlv_t *ie; | |
1152 | ||
1153 | while ((ie = bcm_parse_tlvs(parse, len, DOT11_MNG_VS_ID))) { | |
1154 | if (wl_cfgp2p_is_wpa_ie((const u8*)ie, (u8 const **)&parse, &len)) { | |
1155 | return (const wpa_ie_fixed_t *)ie; | |
1156 | } | |
1157 | } | |
1158 | return NULL; | |
1159 | } | |
1160 | ||
1161 | const wpa_ie_fixed_t * | |
1162 | wl_cfgp2p_find_wpsie(const u8 *parse, u32 len) | |
1163 | { | |
1164 | const bcm_tlv_t *ie; | |
1165 | ||
1166 | while ((ie = bcm_parse_tlvs(parse, len, DOT11_MNG_VS_ID))) { | |
1167 | if (wl_cfgp2p_is_wps_ie((const u8*)ie, (u8 const **)&parse, &len)) { | |
1168 | return (const wpa_ie_fixed_t *)ie; | |
1169 | } | |
1170 | } | |
1171 | return NULL; | |
1172 | } | |
1173 | ||
1174 | wifi_p2p_ie_t * | |
1175 | wl_cfgp2p_find_p2pie(const u8 *parse, u32 len) | |
1176 | { | |
1177 | bcm_tlv_t *ie; | |
1178 | ||
1179 | while ((ie = bcm_parse_tlvs(parse, len, DOT11_MNG_VS_ID))) { | |
1180 | if (wl_cfgp2p_is_p2p_ie((const uint8*)ie, (u8 const **)&parse, &len)) { | |
1181 | return (wifi_p2p_ie_t *)ie; | |
1182 | } | |
1183 | } | |
1184 | return NULL; | |
1185 | } | |
1186 | ||
1187 | const wifi_wfd_ie_t * | |
1188 | wl_cfgp2p_find_wfdie(const u8 *parse, u32 len) | |
1189 | { | |
1190 | const bcm_tlv_t *ie; | |
1191 | ||
1192 | while ((ie = bcm_parse_tlvs(parse, len, DOT11_MNG_VS_ID))) { | |
1193 | if (wl_cfgp2p_is_wfd_ie((const uint8*)ie, (u8 const **)&parse, &len)) { | |
1194 | return (const wifi_wfd_ie_t *)ie; | |
1195 | } | |
1196 | } | |
1197 | return NULL; | |
1198 | } | |
1199 | ||
1200 | u32 | |
1201 | wl_cfgp2p_vndr_ie(struct bcm_cfg80211 *cfg, u8 *iebuf, s32 pktflag, | |
1202 | s8 *oui, s32 ie_id, const s8 *data, s32 datalen, const s8* add_del_cmd) | |
1203 | { | |
1204 | vndr_ie_setbuf_t hdr; /* aligned temporary vndr_ie buffer header */ | |
1205 | s32 iecount; | |
1206 | u32 data_offset; | |
1207 | ||
1208 | /* Validate the pktflag parameter */ | |
1209 | if ((pktflag & ~(VNDR_IE_BEACON_FLAG | VNDR_IE_PRBRSP_FLAG | | |
1210 | VNDR_IE_ASSOCRSP_FLAG | VNDR_IE_AUTHRSP_FLAG | | |
1211 | VNDR_IE_PRBREQ_FLAG | VNDR_IE_ASSOCREQ_FLAG))) { | |
1212 | CFGP2P_ERR(("p2pwl_vndr_ie: Invalid packet flag 0x%x\n", pktflag)); | |
1213 | return -1; | |
1214 | } | |
1215 | ||
1216 | /* Copy the vndr_ie SET command ("add"/"del") to the buffer */ | |
1217 | strncpy(hdr.cmd, add_del_cmd, VNDR_IE_CMD_LEN - 1); | |
1218 | hdr.cmd[VNDR_IE_CMD_LEN - 1] = '\0'; | |
1219 | ||
1220 | /* Set the IE count - the buffer contains only 1 IE */ | |
1221 | iecount = htod32(1); | |
1222 | memcpy((void *)&hdr.vndr_ie_buffer.iecount, &iecount, sizeof(s32)); | |
1223 | ||
1224 | /* Copy packet flags that indicate which packets will contain this IE */ | |
1225 | pktflag = htod32(pktflag); | |
1226 | memcpy((void *)&hdr.vndr_ie_buffer.vndr_ie_list[0].pktflag, &pktflag, | |
1227 | sizeof(u32)); | |
1228 | ||
1229 | /* Add the IE ID to the buffer */ | |
1230 | hdr.vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.id = ie_id; | |
1231 | ||
1232 | /* Add the IE length to the buffer */ | |
1233 | hdr.vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.len = | |
1234 | (uint8) VNDR_IE_MIN_LEN + datalen; | |
1235 | ||
1236 | /* Add the IE OUI to the buffer */ | |
1237 | hdr.vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.oui[0] = oui[0]; | |
1238 | hdr.vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.oui[1] = oui[1]; | |
1239 | hdr.vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.oui[2] = oui[2]; | |
1240 | ||
1241 | /* Copy the aligned temporary vndr_ie buffer header to the IE buffer */ | |
1242 | memcpy(iebuf, &hdr, sizeof(hdr) - 1); | |
1243 | ||
1244 | /* Copy the IE data to the IE buffer */ | |
1245 | data_offset = | |
1246 | (u8*)&hdr.vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.data[0] - | |
1247 | (u8*)&hdr; | |
1248 | memcpy(iebuf + data_offset, data, datalen); | |
1249 | return data_offset + datalen; | |
1250 | ||
1251 | } | |
1252 | ||
1253 | struct net_device * | |
1254 | wl_cfgp2p_find_ndev(struct bcm_cfg80211 *cfg, s32 bssidx) | |
1255 | { | |
1256 | u32 i; | |
1257 | struct net_device *ndev = NULL; | |
1258 | if (bssidx < 0) { | |
1259 | CFGP2P_ERR((" bsscfg idx is invalid\n")); | |
1260 | goto exit; | |
1261 | } | |
1262 | ||
1263 | for (i = 0; i < P2PAPI_BSSCFG_MAX; i++) { | |
1264 | if (bssidx == wl_to_p2p_bss_bssidx(cfg, i)) { | |
1265 | ndev = wl_to_p2p_bss_ndev(cfg, i); | |
1266 | break; | |
1267 | } | |
1268 | } | |
1269 | ||
1270 | exit: | |
1271 | return ndev; | |
1272 | } | |
1273 | /* | |
1274 | * Search the driver array idx based on bssidx argument | |
1275 | * Parameters: Note that this idx is applicable only | |
1276 | * for primary and P2P interfaces. The virtual AP/STA is not | |
1277 | * covered here. | |
1278 | * @cfg : wl_private data | |
1279 | * @bssidx : bssidx which indicate bsscfg->idx of firmware. | |
1280 | * @type : output arg to store array idx of p2p->bss. | |
1281 | * Returns error | |
1282 | */ | |
1283 | ||
1284 | s32 | |
1285 | wl_cfgp2p_find_type(struct bcm_cfg80211 *cfg, s32 bssidx, s32 *type) | |
1286 | { | |
1287 | u32 i; | |
1288 | if (bssidx < 0 || type == NULL) { | |
1289 | CFGP2P_ERR((" argument is invalid\n")); | |
1290 | goto exit; | |
1291 | } | |
1292 | ||
1293 | if (!cfg->p2p) { | |
1294 | CFGP2P_ERR(("p2p if does not exist\n")); | |
1295 | goto exit; | |
1296 | } | |
1297 | ||
1298 | for (i = 0; i < P2PAPI_BSSCFG_MAX; i++) { | |
1299 | if (bssidx == wl_to_p2p_bss_bssidx(cfg, i)) { | |
1300 | *type = i; | |
1301 | return BCME_OK; | |
1302 | } | |
1303 | } | |
1304 | ||
1305 | exit: | |
1306 | return BCME_BADARG; | |
1307 | } | |
1308 | ||
1309 | /* | |
1310 | * Callback function for WLC_E_P2P_DISC_LISTEN_COMPLETE | |
1311 | */ | |
1312 | s32 | |
1313 | wl_cfgp2p_listen_complete(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, | |
1314 | const wl_event_msg_t *e, void *data) | |
1315 | { | |
1316 | s32 ret = BCME_OK; | |
1317 | struct net_device *ndev = NULL; | |
1318 | ||
1319 | if (!cfg || !cfg->p2p || !cfgdev) | |
1320 | return BCME_ERROR; | |
1321 | ||
1322 | CFGP2P_DBG((" Enter\n")); | |
1323 | #ifdef DHD_IFDEBUG | |
1324 | PRINT_WDEV_INFO(cfgdev); | |
1325 | #endif /* DHD_IFDEBUG */ | |
1326 | ||
1327 | ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); | |
1328 | ||
1329 | #ifdef P2P_LISTEN_OFFLOADING | |
1330 | if (wl_get_p2p_status(cfg, DISC_IN_PROGRESS)) { | |
1331 | wl_clr_p2p_status(cfg, DISC_IN_PROGRESS); | |
1332 | CFGP2P_ERR(("DISC_IN_PROGRESS cleared\n")); | |
1333 | if (ndev && (ndev->ieee80211_ptr != NULL)) { | |
1334 | #if defined(WL_CFG80211_P2P_DEV_IF) | |
1335 | if (cfgdev && ((struct wireless_dev *)cfgdev)->wiphy) { | |
1336 | cfg80211_remain_on_channel_expired(cfgdev, cfg->last_roc_id, | |
1337 | &cfg->remain_on_chan, GFP_KERNEL); | |
1338 | } else { | |
1339 | CFGP2P_ERR(("Invalid cfgdev. Dropping the" | |
1340 | "remain_on_channel_expired event.\n")); | |
1341 | } | |
1342 | #else | |
1343 | cfg80211_remain_on_channel_expired(cfgdev, cfg->last_roc_id, | |
1344 | &cfg->remain_on_chan, cfg->remain_on_chan_type, GFP_KERNEL); | |
1345 | #endif /* WL_CFG80211_P2P_DEV_IF */ | |
1346 | } | |
1347 | } | |
1348 | #endif /* P2P_LISTEN_OFFLOADING */ | |
1349 | ||
1350 | if (wl_get_p2p_status(cfg, LISTEN_EXPIRED) == 0) { | |
1351 | wl_set_p2p_status(cfg, LISTEN_EXPIRED); | |
1352 | if (timer_pending(&cfg->p2p->listen_timer)) { | |
1353 | del_timer_sync(&cfg->p2p->listen_timer); | |
1354 | } | |
1355 | ||
1356 | if (cfg->afx_hdl->is_listen == TRUE && | |
1357 | wl_get_drv_status_all(cfg, FINDING_COMMON_CHANNEL)) { | |
1358 | WL_DBG(("Listen DONE for action frame\n")); | |
1359 | complete(&cfg->act_frm_scan); | |
1360 | } | |
1361 | #ifdef WL_CFG80211_SYNC_GON | |
1362 | else if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM_LISTEN)) { | |
1363 | wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM_LISTEN, ndev); | |
1364 | WL_DBG(("Listen DONE and wake up wait_next_af !!(%d)\n", | |
1365 | jiffies_to_msecs(jiffies - cfg->af_tx_sent_jiffies))); | |
1366 | ||
1367 | if (wl_get_drv_status_all(cfg, WAITING_NEXT_ACT_FRM)) | |
1368 | wl_clr_drv_status(cfg, WAITING_NEXT_ACT_FRM, ndev); | |
1369 | ||
1370 | complete(&cfg->wait_next_af); | |
1371 | } | |
1372 | #endif /* WL_CFG80211_SYNC_GON */ | |
1373 | ||
1374 | #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST | |
1375 | if (wl_get_drv_status_all(cfg, REMAINING_ON_CHANNEL)) { | |
1376 | #else | |
1377 | if (wl_get_drv_status_all(cfg, REMAINING_ON_CHANNEL) || | |
1378 | wl_get_drv_status_all(cfg, FAKE_REMAINING_ON_CHANNEL)) { | |
1379 | #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ | |
1380 | WL_DBG(("Listen DONE for remain on channel expired\n")); | |
1381 | wl_clr_drv_status(cfg, REMAINING_ON_CHANNEL, ndev); | |
1382 | #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST | |
1383 | wl_clr_drv_status(cfg, FAKE_REMAINING_ON_CHANNEL, ndev); | |
1384 | #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ | |
1385 | if (ndev && (ndev->ieee80211_ptr != NULL)) { | |
1386 | #if defined(WL_CFG80211_P2P_DEV_IF) | |
1387 | if (cfgdev && ((struct wireless_dev *)cfgdev)->wiphy && | |
1388 | bcmcfg_to_p2p_wdev(cfg)) { | |
1389 | /* | |
1390 | * To prevent kernel panic, | |
1391 | * if cfgdev->wiphy may be invalid, adding explicit check | |
1392 | */ | |
1393 | cfg80211_remain_on_channel_expired(bcmcfg_to_p2p_wdev(cfg), | |
1394 | cfg->last_roc_id, &cfg->remain_on_chan, GFP_KERNEL); | |
1395 | } else | |
1396 | CFGP2P_ERR(("Invalid cfgdev. Dropping the" | |
1397 | "remain_on_channel_expired event.\n")); | |
1398 | #else | |
1399 | if (cfgdev && ((struct wireless_dev *)cfgdev)->wiphy) | |
1400 | cfg80211_remain_on_channel_expired(cfgdev, | |
1401 | cfg->last_roc_id, &cfg->remain_on_chan, | |
1402 | cfg->remain_on_chan_type, GFP_KERNEL); | |
1403 | #endif /* WL_CFG80211_P2P_DEV_IF */ | |
1404 | } | |
1405 | } | |
1406 | if (wl_add_remove_eventmsg(bcmcfg_to_prmry_ndev(cfg), | |
1407 | WLC_E_P2P_PROBREQ_MSG, false) != BCME_OK) { | |
1408 | CFGP2P_ERR((" failed to unset WLC_E_P2P_PROPREQ_MSG\n")); | |
1409 | } | |
1410 | } else | |
1411 | wl_clr_p2p_status(cfg, LISTEN_EXPIRED); | |
1412 | ||
1413 | return ret; | |
1414 | ||
1415 | } | |
1416 | ||
1417 | /* | |
1418 | * Timer expire callback function for LISTEN | |
1419 | * We can't report cfg80211_remain_on_channel_expired from Timer ISR context, | |
1420 | * so lets do it from thread context. | |
1421 | */ | |
1422 | void | |
1423 | wl_cfgp2p_listen_expired(unsigned long data) | |
1424 | { | |
1425 | wl_event_msg_t msg; | |
1426 | struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *) data; | |
1427 | struct net_device *ndev; | |
1428 | CFGP2P_DBG((" Enter\n")); | |
1429 | ||
1430 | if (!cfg) { | |
1431 | CFGP2P_ERR((" No cfg\n")); | |
1432 | return; | |
1433 | } | |
1434 | bzero(&msg, sizeof(wl_event_msg_t)); | |
1435 | msg.event_type = hton32(WLC_E_P2P_DISC_LISTEN_COMPLETE); | |
1436 | msg.bsscfgidx = wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE); | |
1437 | #if defined(WL_ENABLE_P2P_IF) | |
1438 | ndev = cfg->p2p_net ? cfg->p2p_net : | |
1439 | wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE); | |
1440 | #else | |
1441 | ndev = wl_to_p2p_bss_ndev(cfg, P2PAPI_BSSCFG_DEVICE); | |
1442 | #endif /* WL_ENABLE_P2P_IF */ | |
1443 | if (!ndev) { | |
1444 | CFGP2P_ERR((" No ndev\n")); | |
1445 | return; | |
1446 | } | |
1447 | wl_cfg80211_event(ndev, &msg, NULL); | |
1448 | } | |
1449 | /* | |
1450 | * Routine for cancelling the P2P LISTEN | |
1451 | */ | |
1452 | static s32 | |
1453 | wl_cfgp2p_cancel_listen(struct bcm_cfg80211 *cfg, struct net_device *ndev, | |
1454 | struct wireless_dev *wdev, bool notify) | |
1455 | { | |
1456 | WL_DBG(("Enter \n")); | |
1457 | /* Irrespective of whether timer is running or not, reset | |
1458 | * the LISTEN state. | |
1459 | */ | |
1460 | #ifdef NOT_YET | |
1461 | wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0, | |
1462 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE)); | |
1463 | #endif /* NOT_YET */ | |
1464 | if (timer_pending(&cfg->p2p->listen_timer)) { | |
1465 | del_timer_sync(&cfg->p2p->listen_timer); | |
1466 | if (notify) { | |
1467 | #if defined(WL_CFG80211_P2P_DEV_IF) | |
1468 | if (bcmcfg_to_p2p_wdev(cfg)) | |
1469 | cfg80211_remain_on_channel_expired(wdev, cfg->last_roc_id, | |
1470 | &cfg->remain_on_chan, GFP_KERNEL); | |
1471 | #else | |
1472 | if (ndev && ndev->ieee80211_ptr) | |
1473 | cfg80211_remain_on_channel_expired(ndev, cfg->last_roc_id, | |
1474 | &cfg->remain_on_chan, cfg->remain_on_chan_type, GFP_KERNEL); | |
1475 | #endif /* WL_CFG80211_P2P_DEV_IF */ | |
1476 | } | |
1477 | } | |
1478 | return 0; | |
1479 | } | |
1480 | /* | |
1481 | * Do a P2P Listen on the given channel for the given duration. | |
1482 | * A listen consists of sitting idle and responding to P2P probe requests | |
1483 | * with a P2P probe response. | |
1484 | * | |
1485 | * This fn assumes dongle p2p device discovery is already enabled. | |
1486 | * Parameters : | |
1487 | * @cfg : wl_private data | |
1488 | * @channel : channel to listen | |
1489 | * @duration_ms : the time (milli seconds) to wait | |
1490 | */ | |
1491 | s32 | |
1492 | wl_cfgp2p_discover_listen(struct bcm_cfg80211 *cfg, s32 channel, u32 duration_ms) | |
1493 | { | |
1494 | #define EXTRA_DELAY_TIME 100 | |
1495 | s32 ret = BCME_OK; | |
1496 | struct timer_list *_timer; | |
1497 | s32 extra_delay; | |
1498 | struct net_device *netdev = bcmcfg_to_prmry_ndev(cfg); | |
1499 | ||
1500 | CFGP2P_DBG((" Enter Listen Channel : %d, Duration : %d\n", channel, duration_ms)); | |
1501 | if (unlikely(wl_get_p2p_status(cfg, DISCOVERY_ON) == 0)) { | |
1502 | ||
1503 | CFGP2P_ERR((" Discovery is not set, so we have noting to do\n")); | |
1504 | ||
1505 | ret = BCME_NOTREADY; | |
1506 | goto exit; | |
1507 | } | |
1508 | if (timer_pending(&cfg->p2p->listen_timer)) { | |
1509 | CFGP2P_DBG(("previous LISTEN is not completed yet\n")); | |
1510 | goto exit; | |
1511 | ||
1512 | } | |
1513 | #ifndef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST | |
1514 | else | |
1515 | wl_clr_p2p_status(cfg, LISTEN_EXPIRED); | |
1516 | #endif /* not WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ | |
1517 | if (wl_add_remove_eventmsg(netdev, WLC_E_P2P_PROBREQ_MSG, true) != BCME_OK) { | |
1518 | CFGP2P_ERR((" failed to set WLC_E_P2P_PROPREQ_MSG\n")); | |
1519 | } | |
1520 | ||
1521 | ret = wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_LISTEN, channel, (u16) duration_ms, | |
1522 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE)); | |
1523 | _timer = &cfg->p2p->listen_timer; | |
1524 | ||
1525 | /* We will wait to receive WLC_E_P2P_DISC_LISTEN_COMPLETE from dongle , | |
1526 | * otherwise we will wait up to duration_ms + 100ms + duration / 10 | |
1527 | */ | |
1528 | if (ret == BCME_OK) { | |
1529 | extra_delay = EXTRA_DELAY_TIME + (duration_ms / 10); | |
1530 | } else { | |
1531 | /* if failed to set listen, it doesn't need to wait whole duration. */ | |
1532 | duration_ms = 100 + duration_ms / 20; | |
1533 | extra_delay = 0; | |
1534 | } | |
1535 | ||
1536 | INIT_TIMER(_timer, wl_cfgp2p_listen_expired, duration_ms, extra_delay); | |
1537 | #ifdef WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST | |
1538 | wl_clr_p2p_status(cfg, LISTEN_EXPIRED); | |
1539 | #endif /* WL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST */ | |
1540 | ||
1541 | #undef EXTRA_DELAY_TIME | |
1542 | exit: | |
1543 | return ret; | |
1544 | } | |
1545 | ||
1546 | s32 | |
1547 | wl_cfgp2p_discover_enable_search(struct bcm_cfg80211 *cfg, u8 enable) | |
1548 | { | |
1549 | s32 ret = BCME_OK; | |
1550 | CFGP2P_DBG((" Enter\n")); | |
1551 | if (!wl_get_p2p_status(cfg, DISCOVERY_ON)) { | |
1552 | ||
1553 | CFGP2P_DBG((" do nothing, discovery is off\n")); | |
1554 | return ret; | |
1555 | } | |
1556 | if (wl_get_p2p_status(cfg, SEARCH_ENABLED) == enable) { | |
1557 | CFGP2P_DBG(("already : %d\n", enable)); | |
1558 | return ret; | |
1559 | } | |
1560 | ||
1561 | wl_chg_p2p_status(cfg, SEARCH_ENABLED); | |
1562 | /* When disabling Search, reset the WL driver's p2p discovery state to | |
1563 | * WL_P2P_DISC_ST_SCAN. | |
1564 | */ | |
1565 | if (!enable) { | |
1566 | wl_clr_p2p_status(cfg, SCANNING); | |
1567 | ret = wl_cfgp2p_set_p2p_mode(cfg, WL_P2P_DISC_ST_SCAN, 0, 0, | |
1568 | wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_DEVICE)); | |
1569 | } | |
1570 | ||
1571 | return ret; | |
1572 | } | |
1573 | ||
1574 | /* | |
1575 | * Callback function for WLC_E_ACTION_FRAME_COMPLETE, WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE | |
1576 | */ | |
1577 | s32 | |
1578 | wl_cfgp2p_action_tx_complete(struct bcm_cfg80211 *cfg, bcm_struct_cfgdev *cfgdev, | |
1579 | const wl_event_msg_t *e, void *data) | |
1580 | { | |
1581 | s32 ret = BCME_OK; | |
1582 | u32 event_type = ntoh32(e->event_type); | |
1583 | u32 status = ntoh32(e->status); | |
1584 | struct net_device *ndev = NULL; | |
1585 | u8 bsscfgidx = e->bsscfgidx; | |
1586 | ||
1587 | CFGP2P_DBG((" Enter\n")); | |
1588 | ||
1589 | ndev = cfgdev_to_wlc_ndev(cfgdev, cfg); | |
1590 | ||
1591 | if (wl_get_drv_status_all(cfg, SENDING_ACT_FRM)) { | |
1592 | if (event_type == WLC_E_ACTION_FRAME_COMPLETE) { | |
1593 | ||
1594 | CFGP2P_DBG((" WLC_E_ACTION_FRAME_COMPLETE is received : %d\n", status)); | |
1595 | if (status == WLC_E_STATUS_SUCCESS) { | |
1596 | wl_set_p2p_status(cfg, ACTION_TX_COMPLETED); | |
1597 | CFGP2P_DBG(("WLC_E_ACTION_FRAME_COMPLETE : ACK\n")); | |
1598 | if (!cfg->need_wait_afrx && cfg->af_sent_channel) { | |
1599 | CFGP2P_DBG(("no need to wait next AF.\n")); | |
1600 | wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx); | |
1601 | } | |
1602 | } | |
1603 | else if (!wl_get_p2p_status(cfg, ACTION_TX_COMPLETED)) { | |
1604 | wl_set_p2p_status(cfg, ACTION_TX_NOACK); | |
1605 | CFGP2P_DBG(("WLC_E_ACTION_FRAME_COMPLETE : NO ACK\n")); | |
1606 | wl_stop_wait_next_action_frame(cfg, ndev, bsscfgidx); | |
1607 | } | |
1608 | } else { | |
1609 | CFGP2P_DBG((" WLC_E_ACTION_FRAME_OFFCHAN_COMPLETE is received," | |
1610 | "status : %d\n", status)); | |
1611 | ||
1612 | if (wl_get_drv_status_all(cfg, SENDING_ACT_FRM)) | |
1613 | complete(&cfg->send_af_done); | |
1614 | } | |
1615 | } | |
1616 | return ret; | |
1617 | } | |
1618 | /* Send an action frame immediately without doing channel synchronization. | |
1619 | * | |
1620 | * This function does not wait for a completion event before returning. | |
1621 | * The WLC_E_ACTION_FRAME_COMPLETE event will be received when the action | |
1622 | * frame is transmitted. | |
1623 | * The WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE event will be received when an | |
1624 | * 802.11 ack has been received for the sent action frame. | |
1625 | */ | |
1626 | s32 | |
1627 | wl_cfgp2p_tx_action_frame(struct bcm_cfg80211 *cfg, struct net_device *dev, | |
1628 | wl_af_params_t *af_params, s32 bssidx) | |
1629 | { | |
1630 | s32 ret = BCME_OK; | |
1631 | s32 evt_ret = BCME_OK; | |
1632 | long timeout = 0; | |
1633 | wl_eventmsg_buf_t buf; | |
1634 | ||
1635 | CFGP2P_DBG(("\n")); | |
1636 | CFGP2P_DBG(("channel : %u , dwell time : %u\n", | |
1637 | af_params->channel, af_params->dwell_time)); | |
1638 | ||
1639 | wl_clr_p2p_status(cfg, ACTION_TX_COMPLETED); | |
1640 | wl_clr_p2p_status(cfg, ACTION_TX_NOACK); | |
1641 | ||
1642 | bzero(&buf, sizeof(wl_eventmsg_buf_t)); | |
1643 | wl_cfg80211_add_to_eventbuffer(&buf, WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE, true); | |
1644 | wl_cfg80211_add_to_eventbuffer(&buf, WLC_E_ACTION_FRAME_COMPLETE, true); | |
1645 | if ((evt_ret = wl_cfg80211_apply_eventbuffer(bcmcfg_to_prmry_ndev(cfg), cfg, &buf)) < 0) | |
1646 | return evt_ret; | |
1647 | ||
1648 | cfg->af_sent_channel = af_params->channel; | |
1649 | #ifdef WL_CFG80211_SYNC_GON | |
1650 | cfg->af_tx_sent_jiffies = jiffies; | |
1651 | #endif /* WL_CFG80211_SYNC_GON */ | |
1652 | ||
1653 | ret = wldev_iovar_setbuf_bsscfg(dev, "actframe", af_params, sizeof(*af_params), | |
1654 | cfg->ioctl_buf, WLC_IOCTL_MAXLEN, bssidx, &cfg->ioctl_buf_sync); | |
1655 | ||
1656 | if (ret < 0) { | |
1657 | CFGP2P_ERR((" sending action frame is failed\n")); | |
1658 | goto exit; | |
1659 | } | |
1660 | ||
1661 | timeout = wait_for_completion_timeout(&cfg->send_af_done, | |
1662 | msecs_to_jiffies(af_params->dwell_time + WL_AF_TX_EXTRA_TIME_MAX)); | |
1663 | ||
1664 | if (timeout >= 0 && wl_get_p2p_status(cfg, ACTION_TX_COMPLETED)) { | |
1665 | CFGP2P_DBG(("tx action frame operation is completed\n")); | |
1666 | ret = BCME_OK; | |
1667 | } else if (ETHER_ISBCAST(&cfg->afx_hdl->tx_dst_addr)) { | |
1668 | CFGP2P_DBG(("bcast tx action frame operation is completed\n")); | |
1669 | ret = BCME_OK; | |
1670 | } else { | |
1671 | ret = BCME_ERROR; | |
1672 | CFGP2P_DBG(("tx action frame operation is failed\n")); | |
1673 | } | |
1674 | /* clear status bit for action tx */ | |
1675 | wl_clr_p2p_status(cfg, ACTION_TX_COMPLETED); | |
1676 | wl_clr_p2p_status(cfg, ACTION_TX_NOACK); | |
1677 | ||
1678 | exit: | |
1679 | CFGP2P_DBG((" via act frame iovar : status = %d\n", ret)); | |
1680 | ||
1681 | bzero(&buf, sizeof(wl_eventmsg_buf_t)); | |
1682 | wl_cfg80211_add_to_eventbuffer(&buf, WLC_E_ACTION_FRAME_OFF_CHAN_COMPLETE, false); | |
1683 | wl_cfg80211_add_to_eventbuffer(&buf, WLC_E_ACTION_FRAME_COMPLETE, false); | |
1684 | if ((evt_ret = wl_cfg80211_apply_eventbuffer(bcmcfg_to_prmry_ndev(cfg), cfg, &buf)) < 0) { | |
1685 | WL_ERR(("TX frame events revert back failed \n")); | |
1686 | return evt_ret; | |
1687 | } | |
1688 | ||
1689 | return ret; | |
1690 | } | |
1691 | ||
1692 | /* Generate our P2P Device Address and P2P Interface Address from our primary | |
1693 | * MAC address. | |
1694 | */ | |
1695 | void | |
1696 | wl_cfgp2p_generate_bss_mac(struct bcm_cfg80211 *cfg, struct ether_addr *primary_addr) | |
1697 | { | |
1698 | struct ether_addr *mac_addr = wl_to_p2p_bss_macaddr(cfg, P2PAPI_BSSCFG_DEVICE); | |
1699 | struct ether_addr *int_addr; | |
1700 | ||
1701 | memcpy(mac_addr, primary_addr, sizeof(struct ether_addr)); | |
1702 | mac_addr->octet[0] |= 0x02; | |
1703 | WL_DBG(("P2P Discovery address:"MACDBG "\n", MAC2STRDBG(mac_addr->octet))); | |
1704 | ||
1705 | int_addr = wl_to_p2p_bss_macaddr(cfg, P2PAPI_BSSCFG_CONNECTION1); | |
1706 | memcpy(int_addr, mac_addr, sizeof(struct ether_addr)); | |
1707 | int_addr->octet[4] ^= 0x80; | |
1708 | WL_DBG(("Primary P2P Interface address:"MACDBG "\n", MAC2STRDBG(int_addr->octet))); | |
1709 | ||
1710 | int_addr = wl_to_p2p_bss_macaddr(cfg, P2PAPI_BSSCFG_CONNECTION2); | |
1711 | memcpy(int_addr, mac_addr, sizeof(struct ether_addr)); | |
1712 | int_addr->octet[4] ^= 0x90; | |
1713 | } | |
1714 | ||
1715 | /* P2P IF Address change to Virtual Interface MAC Address */ | |
1716 | void | |
1717 | wl_cfg80211_change_ifaddr(u8* buf, struct ether_addr *p2p_int_addr, u8 element_id) | |
1718 | { | |
1719 | wifi_p2p_ie_t *ie = (wifi_p2p_ie_t*) buf; | |
1720 | u16 len = ie->len; | |
1721 | u8 *subel; | |
1722 | u8 subelt_id; | |
1723 | u16 subelt_len; | |
1724 | CFGP2P_DBG((" Enter\n")); | |
1725 | ||
1726 | /* Point subel to the P2P IE's subelt field. | |
1727 | * Subtract the preceding fields (id, len, OUI, oui_type) from the length. | |
1728 | */ | |
1729 | subel = ie->subelts; | |
1730 | len -= 4; /* exclude OUI + OUI_TYPE */ | |
1731 | ||
1732 | while (len >= 3) { | |
1733 | /* attribute id */ | |
1734 | subelt_id = *subel; | |
1735 | subel += 1; | |
1736 | len -= 1; | |
1737 | ||
1738 | /* 2-byte little endian */ | |
1739 | subelt_len = *subel++; | |
1740 | subelt_len |= *subel++ << 8; | |
1741 | ||
1742 | len -= 2; | |
1743 | len -= subelt_len; /* for the remaining subelt fields */ | |
1744 | ||
1745 | if (subelt_id == element_id) { | |
1746 | if (subelt_id == P2P_SEID_INTINTADDR) { | |
1747 | memcpy(subel, p2p_int_addr->octet, ETHER_ADDR_LEN); | |
1748 | CFGP2P_INFO(("Intended P2P Interface Address ATTR FOUND\n")); | |
1749 | } else if (subelt_id == P2P_SEID_DEV_ID) { | |
1750 | memcpy(subel, p2p_int_addr->octet, ETHER_ADDR_LEN); | |
1751 | CFGP2P_INFO(("Device ID ATTR FOUND\n")); | |
1752 | } else if (subelt_id == P2P_SEID_DEV_INFO) { | |
1753 | memcpy(subel, p2p_int_addr->octet, ETHER_ADDR_LEN); | |
1754 | CFGP2P_INFO(("Device INFO ATTR FOUND\n")); | |
1755 | } else if (subelt_id == P2P_SEID_GROUP_ID) { | |
1756 | memcpy(subel, p2p_int_addr->octet, ETHER_ADDR_LEN); | |
1757 | CFGP2P_INFO(("GROUP ID ATTR FOUND\n")); | |
1758 | } return; | |
1759 | } else { | |
1760 | CFGP2P_DBG(("OTHER id : %d\n", subelt_id)); | |
1761 | } | |
1762 | subel += subelt_len; | |
1763 | } | |
1764 | } | |
1765 | ||
1766 | s32 | |
1767 | wl_cfgp2p_supported(struct bcm_cfg80211 *cfg, struct net_device *ndev) | |
1768 | { | |
1769 | s32 ret = BCME_OK; | |
1770 | s32 p2p_supported = 0; | |
1771 | ret = wldev_iovar_getint(ndev, "p2p", | |
1772 | &p2p_supported); | |
1773 | if (ret < 0) { | |
1774 | if (ret == BCME_UNSUPPORTED) { | |
1775 | CFGP2P_INFO(("p2p is unsupported\n")); | |
1776 | return 0; | |
1777 | } else { | |
1778 | CFGP2P_ERR(("cfg p2p error %d\n", ret)); | |
1779 | return ret; | |
1780 | } | |
1781 | } | |
1782 | if (p2p_supported == 1) { | |
1783 | CFGP2P_INFO(("p2p is supported\n")); | |
1784 | } else { | |
1785 | CFGP2P_INFO(("p2p is unsupported\n")); | |
1786 | p2p_supported = 0; | |
1787 | } | |
1788 | return p2p_supported; | |
1789 | } | |
1790 | /* Cleanup P2P resources */ | |
1791 | s32 | |
1792 | wl_cfgp2p_down(struct bcm_cfg80211 *cfg) | |
1793 | { | |
1794 | struct net_device *ndev = NULL; | |
1795 | struct wireless_dev *wdev = NULL; | |
1796 | ||
1797 | #if defined(WL_CFG80211_P2P_DEV_IF) | |
1798 | ndev = bcmcfg_to_prmry_ndev(cfg); | |
1799 | wdev = bcmcfg_to_p2p_wdev(cfg); | |
1800 | #elif defined(WL_ENABLE_P2P_IF) | |
1801 | ndev = cfg->p2p_net ? cfg->p2p_net : bcmcfg_to_prmry_ndev(cfg); | |
1802 | wdev = ndev_to_wdev(ndev); | |
1803 | #endif /* WL_CFG80211_P2P_DEV_IF */ | |
1804 | ||
1805 | wl_cfgp2p_cancel_listen(cfg, ndev, wdev, TRUE); | |
1806 | wl_cfgp2p_disable_discovery(cfg); | |
1807 | ||
1808 | #if defined(WL_CFG80211_P2P_DEV_IF) && !defined(KEEP_WIFION_OPTION) | |
1809 | /* | |
1810 | * In CUSTOMER_HW4 implementation "ifconfig wlan0 down" can get | |
1811 | * called during phone suspend and customer requires the p2p | |
1812 | * discovery interface to be left untouched so that the user | |
1813 | * space can resume without any problem. | |
1814 | */ | |
1815 | if (cfg->p2p_wdev) { | |
1816 | /* If p2p wdev is left out, clean it up */ | |
1817 | WL_ERR(("Clean up the p2p discovery IF\n")); | |
1818 | wl_cfgp2p_del_p2p_disc_if(cfg->p2p_wdev, cfg); | |
1819 | } | |
1820 | #endif /* WL_CFG80211_P2P_DEV_IF !defined(KEEP_WIFION_OPTION) */ | |
1821 | ||
1822 | wl_cfgp2p_deinit_priv(cfg); | |
1823 | return 0; | |
1824 | } | |
1825 | ||
1826 | int wl_cfgp2p_vif_created(struct bcm_cfg80211 *cfg) | |
1827 | { | |
1828 | if (cfg->p2p && ((wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION1) != -1) || | |
1829 | (wl_to_p2p_bss_bssidx(cfg, P2PAPI_BSSCFG_CONNECTION2) != -1))) | |
1830 | return true; | |
1831 | else | |
1832 | return false; | |
1833 | ||
1834 | } | |
1835 | ||
1836 | s32 | |
1837 | wl_cfgp2p_set_p2p_noa(struct bcm_cfg80211 *cfg, struct net_device *ndev, char* buf, int len) | |
1838 | { | |
1839 | s32 ret = -1; | |
1840 | int count, start, duration; | |
1841 | wl_p2p_sched_t dongle_noa; | |
1842 | s32 bssidx, type; | |
1843 | int iovar_len = sizeof(dongle_noa); | |
1844 | CFGP2P_DBG((" Enter\n")); | |
1845 | ||
1846 | memset(&dongle_noa, 0, sizeof(dongle_noa)); | |
1847 | ||
1848 | if (wl_cfgp2p_vif_created(cfg)) { | |
1849 | cfg->p2p->noa.desc[0].start = 0; | |
1850 | ||
1851 | sscanf(buf, "%10d %10d %10d", &count, &start, &duration); | |
1852 | CFGP2P_DBG(("set_p2p_noa count %d start %d duration %d\n", | |
1853 | count, start, duration)); | |
1854 | if (count != -1) | |
1855 | cfg->p2p->noa.desc[0].count = count; | |
1856 | ||
1857 | /* supplicant gives interval as start */ | |
1858 | if (start != -1) | |
1859 | cfg->p2p->noa.desc[0].interval = start; | |
1860 | ||
1861 | if (duration != -1) | |
1862 | cfg->p2p->noa.desc[0].duration = duration; | |
1863 | ||
1864 | if (cfg->p2p->noa.desc[0].count != 255 && cfg->p2p->noa.desc[0].count != 0) { | |
1865 | cfg->p2p->noa.desc[0].start = 200; | |
1866 | dongle_noa.type = WL_P2P_SCHED_TYPE_REQ_ABS; | |
1867 | dongle_noa.action = WL_P2P_SCHED_ACTION_GOOFF; | |
1868 | dongle_noa.option = WL_P2P_SCHED_OPTION_TSFOFS; | |
1869 | } | |
1870 | else if (cfg->p2p->noa.desc[0].count == 0) { | |
1871 | cfg->p2p->noa.desc[0].start = 0; | |
1872 | dongle_noa.type = WL_P2P_SCHED_TYPE_ABS; | |
1873 | dongle_noa.option = WL_P2P_SCHED_OPTION_NORMAL; | |
1874 | dongle_noa.action = WL_P2P_SCHED_ACTION_RESET; | |
1875 | } | |
1876 | else { | |
1877 | /* Continuous NoA interval. */ | |
1878 | dongle_noa.action = WL_P2P_SCHED_ACTION_DOZE; | |
1879 | dongle_noa.type = WL_P2P_SCHED_TYPE_ABS; | |
1880 | if ((cfg->p2p->noa.desc[0].interval == 102) || | |
1881 | (cfg->p2p->noa.desc[0].interval == 100)) { | |
1882 | cfg->p2p->noa.desc[0].start = 100 - | |
1883 | cfg->p2p->noa.desc[0].duration; | |
1884 | dongle_noa.option = WL_P2P_SCHED_OPTION_BCNPCT; | |
1885 | } | |
1886 | else { | |
1887 | dongle_noa.option = WL_P2P_SCHED_OPTION_NORMAL; | |
1888 | } | |
1889 | } | |
1890 | /* Put the noa descriptor in dongle format for dongle */ | |
1891 | dongle_noa.desc[0].count = htod32(cfg->p2p->noa.desc[0].count); | |
1892 | if (dongle_noa.option == WL_P2P_SCHED_OPTION_BCNPCT) { | |
1893 | dongle_noa.desc[0].start = htod32(cfg->p2p->noa.desc[0].start); | |
1894 | dongle_noa.desc[0].duration = htod32(cfg->p2p->noa.desc[0].duration); | |
1895 | } | |
1896 | else { | |
1897 | dongle_noa.desc[0].start = htod32(cfg->p2p->noa.desc[0].start*1000); | |
1898 | dongle_noa.desc[0].duration = htod32(cfg->p2p->noa.desc[0].duration*1000); | |
1899 | } | |
1900 | dongle_noa.desc[0].interval = htod32(cfg->p2p->noa.desc[0].interval*1000); | |
1901 | bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr); | |
1902 | if (wl_cfgp2p_find_type(cfg, bssidx, &type) != BCME_OK) | |
1903 | return BCME_ERROR; | |
1904 | ||
1905 | if (dongle_noa.action == WL_P2P_SCHED_ACTION_RESET) { | |
1906 | iovar_len -= sizeof(wl_p2p_sched_desc_t); | |
1907 | } | |
1908 | ||
1909 | ret = wldev_iovar_setbuf(wl_to_p2p_bss_ndev(cfg, type), | |
1910 | "p2p_noa", &dongle_noa, iovar_len, cfg->ioctl_buf, | |
1911 | WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); | |
1912 | ||
1913 | if (ret < 0) { | |
1914 | CFGP2P_ERR(("fw set p2p_noa failed %d\n", ret)); | |
1915 | } | |
1916 | } | |
1917 | else { | |
1918 | CFGP2P_ERR(("ERROR: set_noa in non-p2p mode\n")); | |
1919 | } | |
1920 | return ret; | |
1921 | } | |
1922 | s32 | |
1923 | wl_cfgp2p_get_p2p_noa(struct bcm_cfg80211 *cfg, struct net_device *ndev, char* buf, int buf_len) | |
1924 | { | |
1925 | ||
1926 | wifi_p2p_noa_desc_t *noa_desc; | |
1927 | int len = 0, i; | |
1928 | char _buf[200]; | |
1929 | ||
1930 | CFGP2P_DBG((" Enter\n")); | |
1931 | buf[0] = '\0'; | |
1932 | if (wl_cfgp2p_vif_created(cfg)) { | |
1933 | if (cfg->p2p->noa.desc[0].count || cfg->p2p->ops.ops) { | |
1934 | _buf[0] = 1; /* noa index */ | |
1935 | _buf[1] = (cfg->p2p->ops.ops ? 0x80: 0) | | |
1936 | (cfg->p2p->ops.ctw & 0x7f); /* ops + ctw */ | |
1937 | len += 2; | |
1938 | if (cfg->p2p->noa.desc[0].count) { | |
1939 | noa_desc = (wifi_p2p_noa_desc_t*)&_buf[len]; | |
1940 | noa_desc->cnt_type = cfg->p2p->noa.desc[0].count; | |
1941 | noa_desc->duration = cfg->p2p->noa.desc[0].duration; | |
1942 | noa_desc->interval = cfg->p2p->noa.desc[0].interval; | |
1943 | noa_desc->start = cfg->p2p->noa.desc[0].start; | |
1944 | len += sizeof(wifi_p2p_noa_desc_t); | |
1945 | } | |
1946 | if (buf_len <= len * 2) { | |
1947 | CFGP2P_ERR(("ERROR: buf_len %d in not enough for" | |
1948 | "returning noa in string format\n", buf_len)); | |
1949 | return -1; | |
1950 | } | |
1951 | /* We have to convert the buffer data into ASCII strings */ | |
1952 | for (i = 0; i < len; i++) { | |
1953 | snprintf(buf, 3, "%02x", _buf[i]); | |
1954 | buf += 2; | |
1955 | } | |
1956 | buf[i*2] = '\0'; | |
1957 | } | |
1958 | } | |
1959 | else { | |
1960 | CFGP2P_ERR(("ERROR: get_noa in non-p2p mode\n")); | |
1961 | return -1; | |
1962 | } | |
1963 | return len * 2; | |
1964 | } | |
1965 | s32 | |
1966 | wl_cfgp2p_set_p2p_ps(struct bcm_cfg80211 *cfg, struct net_device *ndev, char* buf, int len) | |
1967 | { | |
1968 | int ps, ctw; | |
1969 | int ret = -1; | |
1970 | s32 legacy_ps; | |
1971 | s32 conn_idx; | |
1972 | s32 bssidx; | |
1973 | struct net_device *dev; | |
1974 | ||
1975 | CFGP2P_DBG((" Enter\n")); | |
1976 | if (wl_cfgp2p_vif_created(cfg)) { | |
1977 | sscanf(buf, "%10d %10d %10d", &legacy_ps, &ps, &ctw); | |
1978 | CFGP2P_DBG((" Enter legacy_ps %d ps %d ctw %d\n", legacy_ps, ps, ctw)); | |
1979 | ||
1980 | bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr); | |
1981 | if (wl_cfgp2p_find_type(cfg, bssidx, &conn_idx) != BCME_OK) | |
1982 | return BCME_ERROR; | |
1983 | dev = wl_to_p2p_bss_ndev(cfg, conn_idx); | |
1984 | if (ctw != -1) { | |
1985 | cfg->p2p->ops.ctw = ctw; | |
1986 | ret = 0; | |
1987 | } | |
1988 | if (ps != -1) { | |
1989 | cfg->p2p->ops.ops = ps; | |
1990 | ret = wldev_iovar_setbuf(dev, | |
1991 | "p2p_ops", &cfg->p2p->ops, sizeof(cfg->p2p->ops), | |
1992 | cfg->ioctl_buf, WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); | |
1993 | if (ret < 0) { | |
1994 | CFGP2P_ERR(("fw set p2p_ops failed %d\n", ret)); | |
1995 | } | |
1996 | } | |
1997 | ||
1998 | if ((legacy_ps != -1) && ((legacy_ps == PM_MAX) || (legacy_ps == PM_OFF))) { | |
1999 | ret = wldev_ioctl_set(dev, | |
2000 | WLC_SET_PM, &legacy_ps, sizeof(legacy_ps)); | |
2001 | if (unlikely(ret)) | |
2002 | CFGP2P_ERR(("error (%d)\n", ret)); | |
2003 | wl_cfg80211_update_power_mode(dev); | |
2004 | } | |
2005 | else | |
2006 | CFGP2P_ERR(("ilegal setting\n")); | |
2007 | } | |
2008 | else { | |
2009 | CFGP2P_ERR(("ERROR: set_p2p_ps in non-p2p mode\n")); | |
2010 | ret = -1; | |
2011 | } | |
2012 | return ret; | |
2013 | } | |
2014 | ||
2015 | s32 | |
2016 | wl_cfgp2p_set_p2p_ecsa(struct bcm_cfg80211 *cfg, struct net_device *ndev, char* buf, int len) | |
2017 | { | |
2018 | int ch, bw; | |
2019 | s32 conn_idx; | |
2020 | s32 bssidx; | |
2021 | struct net_device *dev; | |
2022 | char smbuf[WLC_IOCTL_SMLEN]; | |
2023 | wl_chan_switch_t csa_arg; | |
2024 | u32 chnsp = 0; | |
2025 | int err = 0; | |
2026 | ||
2027 | CFGP2P_DBG((" Enter\n")); | |
2028 | if (wl_cfgp2p_vif_created(cfg)) { | |
2029 | sscanf(buf, "%10d %10d", &ch, &bw); | |
2030 | CFGP2P_DBG(("Enter ch %d bw %d\n", ch, bw)); | |
2031 | ||
2032 | bssidx = wl_get_bssidx_by_wdev(cfg, ndev->ieee80211_ptr); | |
2033 | if (wl_cfgp2p_find_type(cfg, bssidx, &conn_idx) != BCME_OK) { | |
2034 | return BCME_ERROR; | |
2035 | } | |
2036 | dev = wl_to_p2p_bss_ndev(cfg, conn_idx); | |
2037 | if (ch <= 0 || bw <= 0) { | |
2038 | CFGP2P_ERR(("Negative value not permitted!\n")); | |
2039 | return BCME_ERROR; | |
2040 | } | |
2041 | ||
2042 | csa_arg.mode = DOT11_CSA_MODE_ADVISORY; | |
2043 | csa_arg.count = P2P_ECSA_CNT; | |
2044 | csa_arg.reg = 0; | |
2045 | ||
2046 | snprintf(buf, len, "%d/%d", ch, bw); | |
2047 | chnsp = wf_chspec_aton(buf); | |
2048 | if (chnsp == 0) { | |
2049 | CFGP2P_ERR(("%s:chsp is not correct\n", __FUNCTION__)); | |
2050 | return BCME_ERROR; | |
2051 | } | |
2052 | chnsp = wl_chspec_host_to_driver(chnsp); | |
2053 | csa_arg.chspec = chnsp; | |
2054 | ||
2055 | err = wldev_iovar_setbuf(dev, "csa", &csa_arg, sizeof(csa_arg), | |
2056 | smbuf, sizeof(smbuf), NULL); | |
2057 | if (err) { | |
2058 | CFGP2P_ERR(("%s:set p2p_ecsa failed:%d\n", __FUNCTION__, err)); | |
2059 | return BCME_ERROR; | |
2060 | } | |
2061 | } else { | |
2062 | CFGP2P_ERR(("ERROR: set_p2p_ecsa in non-p2p mode\n")); | |
2063 | return BCME_ERROR; | |
2064 | } | |
2065 | return BCME_OK; | |
2066 | } | |
2067 | ||
2068 | s32 | |
2069 | wl_cfgp2p_increase_p2p_bw(struct bcm_cfg80211 *cfg, struct net_device *ndev, char* buf, int len) | |
2070 | { | |
2071 | int algo; | |
2072 | int bw; | |
2073 | int ret = BCME_OK; | |
2074 | ||
2075 | sscanf(buf, "%3d", &bw); | |
2076 | if (bw == 0) { | |
2077 | algo = 0; | |
2078 | ret = wldev_iovar_setbuf(ndev, "mchan_algo", &algo, sizeof(algo), cfg->ioctl_buf, | |
2079 | WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); | |
2080 | if (ret < 0) { | |
2081 | CFGP2P_ERR(("fw set mchan_algo failed %d\n", ret)); | |
2082 | return BCME_ERROR; | |
2083 | } | |
2084 | } else { | |
2085 | algo = 1; | |
2086 | ret = wldev_iovar_setbuf(ndev, "mchan_algo", &algo, sizeof(algo), cfg->ioctl_buf, | |
2087 | WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); | |
2088 | if (ret < 0) { | |
2089 | CFGP2P_ERR(("fw set mchan_algo failed %d\n", ret)); | |
2090 | return BCME_ERROR; | |
2091 | } | |
2092 | ret = wldev_iovar_setbuf(ndev, "mchan_bw", &bw, sizeof(algo), cfg->ioctl_buf, | |
2093 | WLC_IOCTL_MAXLEN, &cfg->ioctl_buf_sync); | |
2094 | if (ret < 0) { | |
2095 | CFGP2P_ERR(("fw set mchan_bw failed %d\n", ret)); | |
2096 | return BCME_ERROR; | |
2097 | } | |
2098 | } | |
2099 | return BCME_OK; | |
2100 | } | |
2101 | ||
2102 | const u8 * | |
2103 | wl_cfgp2p_retreive_p2pattrib(const void *buf, u8 element_id) | |
2104 | { | |
2105 | const wifi_p2p_ie_t *ie = NULL; | |
2106 | u16 len = 0; | |
2107 | const u8 *subel; | |
2108 | u8 subelt_id; | |
2109 | u16 subelt_len; | |
2110 | ||
2111 | if (!buf) { | |
2112 | WL_ERR(("P2P IE not present")); | |
2113 | return 0; | |
2114 | } | |
2115 | ||
2116 | ie = (const wifi_p2p_ie_t*) buf; | |
2117 | len = ie->len; | |
2118 | ||
2119 | /* Point subel to the P2P IE's subelt field. | |
2120 | * Subtract the preceding fields (id, len, OUI, oui_type) from the length. | |
2121 | */ | |
2122 | subel = ie->subelts; | |
2123 | len -= 4; /* exclude OUI + OUI_TYPE */ | |
2124 | ||
2125 | while (len >= 3) { | |
2126 | /* attribute id */ | |
2127 | subelt_id = *subel; | |
2128 | subel += 1; | |
2129 | len -= 1; | |
2130 | ||
2131 | /* 2-byte little endian */ | |
2132 | subelt_len = *subel++; | |
2133 | subelt_len |= *subel++ << 8; | |
2134 | ||
2135 | len -= 2; | |
2136 | len -= subelt_len; /* for the remaining subelt fields */ | |
2137 | ||
2138 | if (subelt_id == element_id) { | |
2139 | /* This will point to start of subelement attrib after | |
2140 | * attribute id & len | |
2141 | */ | |
2142 | return subel; | |
2143 | } | |
2144 | ||
2145 | /* Go to next subelement */ | |
2146 | subel += subelt_len; | |
2147 | } | |
2148 | ||
2149 | /* Not Found */ | |
2150 | return NULL; | |
2151 | } | |
2152 | ||
2153 | #define P2P_GROUP_CAPAB_GO_BIT 0x01 | |
2154 | ||
2155 | const u8* | |
2156 | wl_cfgp2p_find_attrib_in_all_p2p_Ies(const u8 *parse, u32 len, u32 attrib) | |
2157 | { | |
2158 | const bcm_tlv_t *ie; | |
2159 | const u8* pAttrib; | |
2160 | ||
2161 | CFGP2P_DBG(("Starting parsing parse %p attrib %d remaining len %d ", parse, attrib, len)); | |
2162 | while ((ie = bcm_parse_tlvs(parse, len, DOT11_MNG_VS_ID))) { | |
2163 | if (wl_cfgp2p_is_p2p_ie((const uint8*)ie, (u8 const **)&parse, &len) == TRUE) { | |
2164 | /* Have the P2p ie. Now check for attribute */ | |
2165 | if ((pAttrib = wl_cfgp2p_retreive_p2pattrib(ie, attrib)) != NULL) { | |
2166 | CFGP2P_DBG(("P2P attribute %d was found at parse %p", | |
2167 | attrib, parse)); | |
2168 | return pAttrib; | |
2169 | } | |
2170 | else { | |
2171 | parse += (ie->len + TLV_HDR_LEN); | |
2172 | len -= (ie->len + TLV_HDR_LEN); | |
2173 | CFGP2P_INFO(("P2P Attribute %d not found Moving parse" | |
2174 | " to %p len to %d", attrib, parse, len)); | |
2175 | } | |
2176 | } | |
2177 | else { | |
2178 | /* It was not p2p IE. parse will get updated automatically to next TLV */ | |
2179 | CFGP2P_INFO(("IT was NOT P2P IE parse %p len %d", parse, len)); | |
2180 | } | |
2181 | } | |
2182 | CFGP2P_ERR(("P2P attribute %d was NOT found", attrib)); | |
2183 | return NULL; | |
2184 | } | |
2185 | ||
2186 | const u8 * | |
2187 | wl_cfgp2p_retreive_p2p_dev_addr(wl_bss_info_t *bi, u32 bi_length) | |
2188 | { | |
2189 | const u8 *capability = NULL; | |
2190 | bool p2p_go = 0; | |
2191 | const u8 *ptr = NULL; | |
2192 | ||
2193 | if (bi->length != bi->ie_offset + bi->ie_length) { | |
2194 | return NULL; | |
2195 | } | |
2196 | ||
2197 | if ((capability = wl_cfgp2p_find_attrib_in_all_p2p_Ies(((u8 *) bi) + bi->ie_offset, | |
2198 | bi->ie_length, P2P_SEID_P2P_INFO)) == NULL) { | |
2199 | WL_ERR(("P2P Capability attribute not found")); | |
2200 | return NULL; | |
2201 | } | |
2202 | ||
2203 | /* Check Group capability for Group Owner bit */ | |
2204 | p2p_go = capability[1] & P2P_GROUP_CAPAB_GO_BIT; | |
2205 | if (!p2p_go) { | |
2206 | return bi->BSSID.octet; | |
2207 | } | |
2208 | ||
2209 | /* In probe responses, DEVICE INFO attribute will be present */ | |
2210 | if (!(ptr = wl_cfgp2p_find_attrib_in_all_p2p_Ies(((u8 *) bi) + bi->ie_offset, | |
2211 | bi->ie_length, P2P_SEID_DEV_INFO))) { | |
2212 | /* If DEVICE_INFO is not found, this might be a beacon frame. | |
2213 | * check for DEVICE_ID in the beacon frame. | |
2214 | */ | |
2215 | ptr = wl_cfgp2p_find_attrib_in_all_p2p_Ies(((u8 *) bi) + bi->ie_offset, | |
2216 | bi->ie_length, P2P_SEID_DEV_ID); | |
2217 | } | |
2218 | ||
2219 | if (!ptr) | |
2220 | WL_ERR((" Both DEVICE_ID & DEVICE_INFO attribute not present in P2P IE ")); | |
2221 | ||
2222 | return ptr; | |
2223 | } | |
2224 | ||
2225 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) | |
2226 | static void | |
2227 | wl_cfgp2p_ethtool_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) | |
2228 | { | |
2229 | snprintf(info->driver, sizeof(info->driver), "p2p"); | |
2230 | snprintf(info->version, sizeof(info->version), "%lu", (unsigned long)(0)); | |
2231 | } | |
2232 | ||
2233 | struct ethtool_ops cfgp2p_ethtool_ops = { | |
2234 | .get_drvinfo = wl_cfgp2p_ethtool_get_drvinfo | |
2235 | }; | |
2236 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */ | |
2237 | ||
2238 | #if defined(WL_ENABLE_P2P_IF) || defined(WL_NEWCFG_PRIVCMD_SUPPORT) | |
2239 | s32 | |
2240 | wl_cfgp2p_register_ndev(struct bcm_cfg80211 *cfg) | |
2241 | { | |
2242 | int ret = 0; | |
2243 | struct net_device* net = NULL; | |
2244 | #ifndef WL_NEWCFG_PRIVCMD_SUPPORT | |
2245 | struct wireless_dev *wdev = NULL; | |
2246 | #endif /* WL_NEWCFG_PRIVCMD_SUPPORT */ | |
2247 | uint8 temp_addr[ETHER_ADDR_LEN] = { 0x00, 0x90, 0x4c, 0x33, 0x22, 0x11 }; | |
2248 | ||
2249 | if (cfg->p2p_net) { | |
2250 | CFGP2P_ERR(("p2p_net defined already.\n")); | |
2251 | return -EINVAL; | |
2252 | } | |
2253 | ||
2254 | /* Allocate etherdev, including space for private structure */ | |
2255 | if (!(net = alloc_etherdev(sizeof(struct bcm_cfg80211 *)))) { | |
2256 | CFGP2P_ERR(("%s: OOM - alloc_etherdev\n", __FUNCTION__)); | |
2257 | return -ENODEV; | |
2258 | } | |
2259 | ||
2260 | #ifndef WL_NEWCFG_PRIVCMD_SUPPORT | |
2261 | wdev = (struct wireless_dev *)MALLOCZ(cfg->osh, sizeof(*wdev)); | |
2262 | if (unlikely(!wdev)) { | |
2263 | WL_ERR(("Could not allocate wireless device\n")); | |
2264 | free_netdev(net); | |
2265 | return -ENOMEM; | |
2266 | } | |
2267 | #endif /* WL_NEWCFG_PRIVCMD_SUPPORT */ | |
2268 | ||
2269 | strncpy(net->name, "p2p%d", sizeof(net->name) - 1); | |
2270 | net->name[IFNAMSIZ - 1] = '\0'; | |
2271 | ||
2272 | /* Copy the reference to bcm_cfg80211 */ | |
2273 | memcpy((void *)netdev_priv(net), &cfg, sizeof(struct bcm_cfg80211 *)); | |
2274 | ||
2275 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)) | |
2276 | ASSERT(!net->open); | |
2277 | net->do_ioctl = wl_cfgp2p_do_ioctl; | |
2278 | net->hard_start_xmit = wl_cfgp2p_start_xmit; | |
2279 | net->open = wl_cfgp2p_if_open; | |
2280 | net->stop = wl_cfgp2p_if_stop; | |
2281 | #else | |
2282 | ASSERT(!net->netdev_ops); | |
2283 | net->netdev_ops = &wl_cfgp2p_if_ops; | |
2284 | #endif // endif | |
2285 | ||
2286 | /* Register with a dummy MAC addr */ | |
2287 | memcpy(net->dev_addr, temp_addr, ETHER_ADDR_LEN); | |
2288 | ||
2289 | #ifndef WL_NEWCFG_PRIVCMD_SUPPORT | |
2290 | wdev->wiphy = cfg->wdev->wiphy; | |
2291 | ||
2292 | wdev->iftype = wl_mode_to_nl80211_iftype(WL_MODE_BSS); | |
2293 | ||
2294 | net->ieee80211_ptr = wdev; | |
2295 | #else | |
2296 | net->ieee80211_ptr = NULL; | |
2297 | #endif /* WL_NEWCFG_PRIVCMD_SUPPORT */ | |
2298 | ||
2299 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) | |
2300 | net->ethtool_ops = &cfgp2p_ethtool_ops; | |
2301 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) */ | |
2302 | ||
2303 | #ifndef WL_NEWCFG_PRIVCMD_SUPPORT | |
2304 | SET_NETDEV_DEV(net, wiphy_dev(wdev->wiphy)); | |
2305 | ||
2306 | /* Associate p2p0 network interface with new wdev */ | |
2307 | wdev->netdev = net; | |
2308 | #endif /* WL_NEWCFG_PRIVCMD_SUPPORT */ | |
2309 | ||
2310 | ret = register_netdev(net); | |
2311 | if (ret) { | |
2312 | CFGP2P_ERR((" register_netdevice failed (%d)\n", ret)); | |
2313 | free_netdev(net); | |
2314 | #ifndef WL_NEWCFG_PRIVCMD_SUPPORT | |
2315 | MFREE(cfg->osh, wdev, sizeof(*wdev)); | |
2316 | #endif /* WL_NEWCFG_PRIVCMD_SUPPORT */ | |
2317 | return -ENODEV; | |
2318 | } | |
2319 | ||
2320 | /* store p2p net ptr for further reference. Note that iflist won't have this | |
2321 | * entry as there corresponding firmware interface is a "Hidden" interface. | |
2322 | */ | |
2323 | #ifndef WL_NEWCFG_PRIVCMD_SUPPORT | |
2324 | cfg->p2p_wdev = wdev; | |
2325 | #else | |
2326 | cfg->p2p_wdev = NULL; | |
2327 | #endif /* WL_NEWCFG_PRIVCMD_SUPPORT */ | |
2328 | cfg->p2p_net = net; | |
2329 | ||
2330 | printk("%s: P2P Interface Registered\n", net->name); | |
2331 | ||
2332 | return ret; | |
2333 | } | |
2334 | ||
2335 | s32 | |
2336 | wl_cfgp2p_unregister_ndev(struct bcm_cfg80211 *cfg) | |
2337 | { | |
2338 | ||
2339 | if (!cfg || !cfg->p2p_net) { | |
2340 | CFGP2P_ERR(("Invalid Ptr\n")); | |
2341 | return -EINVAL; | |
2342 | } | |
2343 | ||
2344 | unregister_netdev(cfg->p2p_net); | |
2345 | free_netdev(cfg->p2p_net); | |
2346 | ||
2347 | return 0; | |
2348 | } | |
2349 | static int wl_cfgp2p_start_xmit(struct sk_buff *skb, struct net_device *ndev) | |
2350 | { | |
2351 | ||
2352 | if (skb) | |
2353 | { | |
2354 | CFGP2P_DBG(("(%s) is not used for data operations.Droping the packet.\n", | |
2355 | ndev->name)); | |
2356 | dev_kfree_skb_any(skb); | |
2357 | } | |
2358 | ||
2359 | return 0; | |
2360 | } | |
2361 | ||
2362 | static int wl_cfgp2p_do_ioctl(struct net_device *net, struct ifreq *ifr, int cmd) | |
2363 | { | |
2364 | int ret = 0; | |
2365 | struct bcm_cfg80211 *cfg = *(struct bcm_cfg80211 **)netdev_priv(net); | |
2366 | struct net_device *ndev = bcmcfg_to_prmry_ndev(cfg); | |
2367 | ||
2368 | /* There is no ifidx corresponding to p2p0 in our firmware. So we should | |
2369 | * not Handle any IOCTL cmds on p2p0 other than ANDROID PRIVATE CMDs. | |
2370 | * For Android PRIV CMD handling map it to primary I/F | |
2371 | */ | |
2372 | if (cmd == SIOCDEVPRIVATE+1) { | |
2373 | ret = wl_android_priv_cmd(ndev, ifr); | |
2374 | ||
2375 | } else { | |
2376 | CFGP2P_ERR(("%s: IOCTL req 0x%x on p2p0 I/F. Ignoring. \n", | |
2377 | __FUNCTION__, cmd)); | |
2378 | return -1; | |
2379 | } | |
2380 | ||
2381 | return ret; | |
2382 | } | |
2383 | #endif /* WL_ENABLE_P2P_IF || WL_NEWCFG_PRIVCMD_SUPPORT */ | |
2384 | ||
2385 | #if defined(WL_ENABLE_P2P_IF) | |
2386 | static int wl_cfgp2p_if_open(struct net_device *net) | |
2387 | { | |
2388 | struct wireless_dev *wdev = net->ieee80211_ptr; | |
2389 | ||
2390 | if (!wdev || !wl_cfg80211_is_p2p_active(net)) | |
2391 | return -EINVAL; | |
2392 | WL_TRACE(("Enter\n")); | |
2393 | #if !defined(WL_IFACE_COMB_NUM_CHANNELS) | |
2394 | /* If suppose F/W download (ifconfig wlan0 up) hasn't been done by now, | |
2395 | * do it here. This will make sure that in concurrent mode, supplicant | |
2396 | * is not dependent on a particular order of interface initialization. | |
2397 | * i.e you may give wpa_supp -iwlan0 -N -ip2p0 or wpa_supp -ip2p0 -N | |
2398 | * -iwlan0. | |
2399 | */ | |
2400 | wdev->wiphy->interface_modes |= (BIT(NL80211_IFTYPE_P2P_CLIENT) | |
2401 | | BIT(NL80211_IFTYPE_P2P_GO)); | |
2402 | #endif /* !WL_IFACE_COMB_NUM_CHANNELS */ | |
2403 | wl_cfg80211_do_driver_init(net); | |
2404 | ||
2405 | return 0; | |
2406 | } | |
2407 | ||
2408 | static int wl_cfgp2p_if_stop(struct net_device *net) | |
2409 | { | |
2410 | struct wireless_dev *wdev = net->ieee80211_ptr; | |
2411 | struct bcm_cfg80211 *cfg = wl_get_cfg(net); | |
2412 | ||
2413 | if (!wdev) | |
2414 | return -EINVAL; | |
2415 | ||
2416 | wl_cfg80211_scan_stop(cfg, net); | |
2417 | ||
2418 | #if !defined(WL_IFACE_COMB_NUM_CHANNELS) | |
2419 | wdev->wiphy->interface_modes = (wdev->wiphy->interface_modes) | |
2420 | & (~(BIT(NL80211_IFTYPE_P2P_CLIENT)| | |
2421 | BIT(NL80211_IFTYPE_P2P_GO))); | |
2422 | #endif /* !WL_IFACE_COMB_NUM_CHANNELS */ | |
2423 | return 0; | |
2424 | } | |
2425 | ||
2426 | bool wl_cfgp2p_is_ifops(const struct net_device_ops *if_ops) | |
2427 | { | |
2428 | return (if_ops == &wl_cfgp2p_if_ops); | |
2429 | } | |
2430 | #endif /* WL_ENABLE_P2P_IF */ | |
2431 | ||
2432 | #if defined(WL_CFG80211_P2P_DEV_IF) | |
2433 | struct wireless_dev * | |
2434 | wl_cfgp2p_add_p2p_disc_if(struct bcm_cfg80211 *cfg) | |
2435 | { | |
2436 | struct wireless_dev *wdev = NULL; | |
2437 | struct ether_addr primary_mac; | |
2438 | ||
2439 | if (!cfg || !cfg->p2p_supported) | |
2440 | return ERR_PTR(-EINVAL); | |
2441 | ||
2442 | WL_TRACE(("Enter\n")); | |
2443 | ||
2444 | if (cfg->p2p_wdev) { | |
2445 | #ifndef EXPLICIT_DISCIF_CLEANUP | |
2446 | dhd_pub_t *dhd = (dhd_pub_t *)(cfg->pub); | |
2447 | #endif /* EXPLICIT_DISCIF_CLEANUP */ | |
2448 | /* | |
2449 | * This is not expected. This can happen due to | |
2450 | * supplicant crash/unclean de-initialization which | |
2451 | * didn't free the p2p discovery interface. Indicate | |
2452 | * driver hang to user space so that the framework | |
2453 | * can rei-init the Wi-Fi. | |
2454 | */ | |
2455 | CFGP2P_ERR(("p2p_wdev defined already.\n")); | |
2456 | wl_probe_wdev_all(cfg); | |
2457 | #ifdef EXPLICIT_DISCIF_CLEANUP | |
2458 | /* | |
2459 | * CUSTOMER_HW4 design doesn't delete the p2p discovery | |
2460 | * interface on ifconfig wlan0 down context which comes | |
2461 | * without a preceeding NL80211_CMD_DEL_INTERFACE for p2p | |
2462 | * discovery. But during supplicant crash the DEL_IFACE | |
2463 | * command will not happen and will cause a left over iface | |
2464 | * even after ifconfig wlan0 down. So delete the iface | |
2465 | * first and then indicate the HANG event | |
2466 | */ | |
2467 | wl_cfgp2p_del_p2p_disc_if(cfg->p2p_wdev, cfg); | |
2468 | #else | |
2469 | dhd->hang_reason = HANG_REASON_IFACE_DEL_FAILURE; | |
2470 | #if defined(BCMPCIE) && defined(DHD_FW_COREDUMP) | |
2471 | if (dhd->memdump_enabled) { | |
2472 | /* Load the dongle side dump to host | |
2473 | * memory and then BUG_ON() | |
2474 | */ | |
2475 | dhd->memdump_type = DUMP_TYPE_IFACE_OP_FAILURE; | |
2476 | dhd_bus_mem_dump(dhd); | |
2477 | } | |
2478 | #endif /* BCMPCIE && DHD_FW_COREDUMP */ | |
2479 | net_os_send_hang_message(bcmcfg_to_prmry_ndev(cfg)); | |
2480 | return ERR_PTR(-ENODEV); | |
2481 | #endif /* EXPLICIT_DISCIF_CLEANUP */ | |
2482 | } | |
2483 | ||
2484 | wdev = (struct wireless_dev *)MALLOCZ(cfg->osh, sizeof(*wdev)); | |
2485 | if (unlikely(!wdev)) { | |
2486 | WL_ERR(("Could not allocate wireless device\n")); | |
2487 | return ERR_PTR(-ENOMEM); | |
2488 | } | |
2489 | ||
2490 | memset(&primary_mac, 0, sizeof(primary_mac)); | |
2491 | get_primary_mac(cfg, &primary_mac); | |
2492 | wl_cfgp2p_generate_bss_mac(cfg, &primary_mac); | |
2493 | ||
2494 | wdev->wiphy = cfg->wdev->wiphy; | |
2495 | wdev->iftype = NL80211_IFTYPE_P2P_DEVICE; | |
2496 | memcpy(wdev->address, wl_to_p2p_bss_macaddr(cfg, P2PAPI_BSSCFG_DEVICE), ETHER_ADDR_LEN); | |
2497 | ||
2498 | #if defined(WL_NEWCFG_PRIVCMD_SUPPORT) | |
2499 | if (cfg->p2p_net) | |
2500 | memcpy(cfg->p2p_net->dev_addr, wl_to_p2p_bss_macaddr(cfg, P2PAPI_BSSCFG_DEVICE), | |
2501 | ETHER_ADDR_LEN); | |
2502 | #endif /* WL_NEWCFG_PRIVCMD_SUPPORT */ | |
2503 | ||
2504 | /* store p2p wdev ptr for further reference. */ | |
2505 | cfg->p2p_wdev = wdev; | |
2506 | ||
2507 | CFGP2P_ERR(("P2P interface registered\n")); | |
2508 | return wdev; | |
2509 | } | |
2510 | ||
2511 | int | |
2512 | wl_cfgp2p_start_p2p_device(struct wiphy *wiphy, struct wireless_dev *wdev) | |
2513 | { | |
2514 | int ret = 0; | |
2515 | struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); | |
2516 | ||
2517 | if (!cfg) | |
2518 | return -EINVAL; | |
2519 | ||
2520 | WL_TRACE(("Enter\n")); | |
2521 | ||
2522 | ret = wl_cfgp2p_set_firm_p2p(cfg); | |
2523 | if (unlikely(ret < 0)) { | |
2524 | CFGP2P_ERR(("Set P2P in firmware failed, ret=%d\n", ret)); | |
2525 | goto exit; | |
2526 | } | |
2527 | ||
2528 | ret = wl_cfgp2p_enable_discovery(cfg, bcmcfg_to_prmry_ndev(cfg), NULL, 0); | |
2529 | if (unlikely(ret < 0)) { | |
2530 | CFGP2P_ERR(("P2P enable discovery failed, ret=%d\n", ret)); | |
2531 | goto exit; | |
2532 | } | |
2533 | ||
2534 | p2p_on(cfg) = true; | |
2535 | #if defined(P2P_IE_MISSING_FIX) | |
2536 | cfg->p2p_prb_noti = false; | |
2537 | #endif // endif | |
2538 | ||
2539 | CFGP2P_DBG(("P2P interface started\n")); | |
2540 | ||
2541 | exit: | |
2542 | return ret; | |
2543 | } | |
2544 | ||
2545 | void | |
2546 | wl_cfgp2p_stop_p2p_device(struct wiphy *wiphy, struct wireless_dev *wdev) | |
2547 | { | |
2548 | int ret = 0; | |
2549 | struct bcm_cfg80211 *cfg = wiphy_priv(wiphy); | |
2550 | ||
2551 | if (!cfg) | |
2552 | return; | |
2553 | ||
2554 | CFGP2P_DBG(("Enter\n")); | |
2555 | ||
2556 | ret = wl_cfg80211_scan_stop(cfg, wdev); | |
2557 | if (unlikely(ret < 0)) { | |
2558 | CFGP2P_ERR(("P2P scan stop failed, ret=%d\n", ret)); | |
2559 | } | |
2560 | ||
2561 | if (!cfg->p2p) | |
2562 | return; | |
2563 | ||
5a068558 MB |
2564 | #ifdef P2P_LISTEN_OFFLOADING |
2565 | wl_cfg80211_p2plo_deinit(cfg); | |
2566 | #endif /* P2P_LISTEN_OFFLOADING */ | |
2567 | ||
1cac41cb MB |
2568 | /* Cancel any on-going listen */ |
2569 | wl_cfgp2p_cancel_listen(cfg, bcmcfg_to_prmry_ndev(cfg), wdev, TRUE); | |
2570 | ||
2571 | ret = wl_cfgp2p_disable_discovery(cfg); | |
2572 | if (unlikely(ret < 0)) { | |
2573 | CFGP2P_ERR(("P2P disable discovery failed, ret=%d\n", ret)); | |
2574 | } | |
2575 | ||
2576 | p2p_on(cfg) = false; | |
2577 | ||
2578 | CFGP2P_DBG(("Exit. P2P interface stopped\n")); | |
2579 | ||
2580 | return; | |
2581 | } | |
2582 | ||
2583 | int | |
2584 | wl_cfgp2p_del_p2p_disc_if(struct wireless_dev *wdev, struct bcm_cfg80211 *cfg) | |
2585 | { | |
2586 | bool rollback_lock = false; | |
2587 | ||
2588 | if (!wdev || !cfg) { | |
5a068558 | 2589 | WL_ERR(("wdev or cfg is NULL\n")); |
1cac41cb MB |
2590 | return -EINVAL; |
2591 | } | |
2592 | ||
2593 | WL_INFORM(("Enter\n")); | |
2594 | ||
5a068558 MB |
2595 | if (!cfg->p2p_wdev) { |
2596 | WL_ERR(("Already deleted p2p_wdev\n")); | |
2597 | return -EINVAL; | |
2598 | } | |
2599 | ||
1cac41cb MB |
2600 | if (!rtnl_is_locked()) { |
2601 | rtnl_lock(); | |
2602 | rollback_lock = true; | |
2603 | } | |
2604 | ||
2605 | cfg80211_unregister_wdev(wdev); | |
2606 | ||
2607 | if (rollback_lock) | |
2608 | rtnl_unlock(); | |
2609 | ||
2610 | synchronize_rcu(); | |
2611 | ||
2612 | MFREE(cfg->osh, wdev, sizeof(*wdev)); | |
2613 | ||
2614 | cfg->p2p_wdev = NULL; | |
2615 | ||
2616 | CFGP2P_ERR(("P2P interface unregistered\n")); | |
2617 | ||
2618 | return 0; | |
2619 | } | |
2620 | #endif /* WL_CFG80211_P2P_DEV_IF */ | |
2621 | ||
2622 | void | |
2623 | wl_cfgp2p_need_wait_actfrmae(struct bcm_cfg80211 *cfg, void *frame, u32 frame_len, bool tx) | |
2624 | { | |
2625 | wifi_p2p_pub_act_frame_t *pact_frm; | |
2626 | int status = 0; | |
2627 | ||
2628 | if (!frame || (frame_len < (sizeof(*pact_frm) + WL_P2P_AF_STATUS_OFFSET - 1))) { | |
2629 | return; | |
2630 | } | |
2631 | ||
2632 | if (wl_cfgp2p_is_pub_action(frame, frame_len)) { | |
2633 | pact_frm = (wifi_p2p_pub_act_frame_t *)frame; | |
2634 | if (pact_frm->subtype == P2P_PAF_GON_RSP && tx) { | |
2635 | CFGP2P_ACTION(("Check TX P2P Group Owner Negotiation Rsp Frame status\n")); | |
2636 | status = pact_frm->elts[WL_P2P_AF_STATUS_OFFSET]; | |
2637 | if (status) { | |
2638 | cfg->need_wait_afrx = false; | |
2639 | return; | |
2640 | } | |
2641 | } | |
2642 | } | |
2643 | ||
2644 | cfg->need_wait_afrx = true; | |
2645 | return; | |
2646 | } | |
2647 | ||
2648 | int | |
2649 | wl_cfgp2p_is_p2p_specific_scan(struct cfg80211_scan_request *request) | |
2650 | { | |
2651 | if (request && (request->n_ssids == 1) && | |
2652 | (request->n_channels == 1) && | |
2653 | IS_P2P_SSID(request->ssids[0].ssid, WL_P2P_WILDCARD_SSID_LEN) && | |
2654 | (request->ssids[0].ssid_len > WL_P2P_WILDCARD_SSID_LEN)) { | |
2655 | return true; | |
2656 | } | |
2657 | return false; | |
2658 | } |