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1b4a7c03 LJ |
1 | /* |
2 | * Bigdata logging and report. None EWP and Hang event. | |
3 | * | |
4 | * Copyright (C) 2020, 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 | * | |
21 | * <<Broadcom-WL-IPTag/Dual:>> | |
22 | */ | |
23 | #include <typedefs.h> | |
24 | #include <osl.h> | |
25 | #include <dngl_stats.h> | |
26 | #include <bcmutils.h> | |
27 | #include <dhd.h> | |
28 | #include <dhd_dbg.h> | |
29 | #include <wl_cfg80211.h> | |
30 | #include <wldev_common.h> | |
31 | #include <bcmendian.h> | |
32 | #include <wlioctl.h> | |
33 | #include <dhd_linux_wq.h> | |
34 | #include <wl_bigdata.h> | |
35 | ||
36 | #define WL_AP_BIGDATA_LOG(args) WL_DBG(args) | |
37 | ||
38 | #define WLC_E_IS_ASSOC(e, r) \ | |
39 | (((e == WLC_E_ASSOC_IND) || (e == WLC_E_REASSOC_IND)) && r == DOT11_SC_SUCCESS) | |
40 | #define WLC_E_IS_DEAUTH(e) \ | |
41 | (e == WLC_E_DISASSOC_IND || e == WLC_E_DEAUTH_IND || e == WLC_E_DEAUTH) | |
42 | ||
43 | static void dump_ap_stadata(wl_ap_sta_data_t *ap_sta_data); | |
44 | static inline void copy_ap_stadata(wl_ap_sta_data_t *dest, wl_ap_sta_data_t *src); | |
45 | static void wg_rate_dot11mode(uint32 *rate, uint8 *channel, uint32 *mode_80211); | |
46 | static void wg_ht_mimo_ant(uint32 *nss, wl_rateset_args_t *rateset); | |
47 | static void wg_vht_mimo_ant(uint32 *nss, wl_rateset_args_t *rateset); | |
48 | #if defined(WL11AX) | |
49 | static void wg_he_mimo_ant(uint32 *nss, uint16 *mcsset); | |
50 | #endif /* WL11AX */ | |
51 | static int wg_parse_ap_stadata(struct net_device *dev, struct ether_addr *sta_mac, | |
52 | wl_ap_sta_data_t *ap_sta_data); | |
53 | ||
54 | static void | |
55 | dump_ap_stadata(wl_ap_sta_data_t *ap_sta_data) | |
56 | { | |
57 | int i; | |
58 | ||
59 | if (!ap_sta_data) { | |
60 | WL_AP_BIGDATA_LOG(("ap_sta_data is NULL\n")); | |
61 | return; | |
62 | } | |
63 | ||
64 | for (i = 0; i < MAX_STA_INFO_AP_CNT; i++) { | |
65 | if (!ap_sta_data[i].is_empty) { | |
66 | WL_AP_BIGDATA_LOG(("idx %d "MACDBG" dis %d empty %d\n", | |
67 | i, MAC2STRDBG((char *)&ap_sta_data[i].mac), | |
68 | ap_sta_data[i].disconnected, ap_sta_data[i].is_empty)); | |
69 | WL_AP_BIGDATA_LOG(("mode %d nss %d chanspec %d rssi %d " | |
70 | "rate %d reason_code %d\n\n", | |
71 | ap_sta_data[i].mode_80211, | |
72 | ap_sta_data[i].nss, ap_sta_data[i].chanspec, | |
73 | ap_sta_data[i].rssi, ap_sta_data[i].rate, | |
74 | ap_sta_data[i].reason_code)); | |
75 | } | |
76 | } | |
77 | } | |
78 | ||
79 | static inline void | |
80 | copy_ap_stadata(wl_ap_sta_data_t *dest, wl_ap_sta_data_t *src) | |
81 | { | |
82 | memcpy(dest, src, sizeof(wl_ap_sta_data_t)); | |
83 | dest->is_empty = FALSE; | |
84 | dest->disconnected = FALSE; | |
85 | dest->reason_code = 0; | |
86 | } | |
87 | ||
88 | static void | |
89 | get_copy_ptr_stadata(struct ether_addr *sta_mac, wl_ap_sta_data_t *sta_data, | |
90 | uint32 *sta_list_cnt, void **data) | |
91 | { | |
92 | int i; | |
93 | int discon_idx = -1; | |
94 | int empty_idx = -1; | |
95 | ||
96 | if (!sta_mac || !sta_data || !sta_list_cnt ||!data) { | |
97 | WL_ERR(("sta_mac=%p sta_data=%p sta_lit_cnt=%p data=%p\n", | |
98 | sta_mac, sta_data, sta_list_cnt, data)); | |
99 | return; | |
100 | } | |
101 | ||
102 | /* Find already existed sta */ | |
103 | for (i = 0; i < MAX_STA_INFO_AP_CNT; i++) { | |
104 | if (!memcmp((char*)sta_mac, (char*)&sta_data[i].mac, ETHER_ADDR_LEN)) { | |
105 | WL_AP_BIGDATA_LOG(("found existed " | |
106 | "STA idx %d "MACDBG"\n", | |
107 | i, MAC2STRDBG((char *)sta_mac))); | |
108 | *data = (wl_ap_sta_data_t *)&sta_data[i]; | |
109 | return; | |
110 | } | |
111 | ||
112 | if (sta_data[i].disconnected && (discon_idx == -1)) { | |
113 | discon_idx = i; | |
114 | } | |
115 | ||
116 | if (sta_data[i].is_empty && (empty_idx == -1)) { | |
117 | empty_idx = i; | |
118 | } | |
119 | } | |
120 | ||
121 | /* Buf is max */ | |
122 | if (*sta_list_cnt >= MAX_STA_INFO_AP_CNT) { | |
123 | if (discon_idx != -1) { | |
124 | WL_AP_BIGDATA_LOG(("delete disconnected " | |
125 | "idx %d "MACDBG"\n", | |
126 | discon_idx, MAC2STRDBG((char *)sta_mac))); | |
127 | *data = (wl_ap_sta_data_t *)&sta_data[discon_idx]; | |
128 | return; | |
129 | } | |
130 | } | |
131 | ||
132 | /* Buf is not max */ | |
133 | if (empty_idx != -1) { | |
134 | (*sta_list_cnt)++; | |
135 | WL_AP_BIGDATA_LOG(("empty idx %d \n", empty_idx)); | |
136 | *data = (wl_ap_sta_data_t *)&sta_data[empty_idx]; | |
137 | return; | |
138 | } | |
139 | } | |
140 | ||
141 | static void | |
142 | wg_rate_dot11mode(uint32 *rate, uint8 *channel, uint32 *mode_80211) | |
143 | { | |
144 | if (*rate <= DOT11_11B_MAX_RATE) { | |
145 | /* 11b maximum rate is 11Mbps. 11b mode */ | |
146 | *mode_80211 = BIGDATA_DOT11_11B_MODE; | |
147 | } else { | |
148 | /* It's not HT Capable case. */ | |
149 | if (*channel > DOT11_2GHZ_MAX_CH_NUM) { | |
150 | *mode_80211 = BIGDATA_DOT11_11A_MODE; /* 11a mode */ | |
151 | } else { | |
152 | *mode_80211 = BIGDATA_DOT11_11G_MODE; /* 11g mode */ | |
153 | } | |
154 | } | |
155 | } | |
156 | ||
157 | static void | |
158 | wg_ht_mimo_ant(uint32 *nss, wl_rateset_args_t *rateset) | |
159 | { | |
160 | int i; | |
161 | ||
162 | *nss = 0; | |
163 | for (i = 0; i < MAX_STREAMS_SUPPORTED; i++) { | |
164 | int8 bitmap = DOT11_HT_MCS_RATE_MASK; | |
165 | if (i == MAX_STREAMS_SUPPORTED-1) { | |
166 | bitmap = DOT11_RATE_MASK; | |
167 | } | |
168 | if (rateset->mcs[i] & bitmap) { | |
169 | (*nss)++; | |
170 | } | |
171 | } | |
172 | } | |
173 | ||
174 | static void | |
175 | wg_vht_mimo_ant(uint32 *nss, wl_rateset_args_t *rateset) | |
176 | { | |
177 | int i; | |
178 | uint32 mcs_code; | |
179 | ||
180 | *nss = 0; | |
181 | ||
182 | for (i = 1; i <= VHT_CAP_MCS_MAP_NSS_MAX; i++) { | |
183 | mcs_code = VHT_MCS_MAP_TO_MCS_CODE(rateset->vht_mcs[i - 1]); | |
184 | if (mcs_code != VHT_CAP_MCS_MAP_NONE) { | |
185 | (*nss)++; | |
186 | } | |
187 | } | |
188 | } | |
189 | ||
190 | #if defined(WL11AX) | |
191 | static void | |
192 | wg_he_mimo_ant(uint32 *nss, uint16 *mcsset) | |
193 | { | |
194 | int i; | |
195 | ||
196 | *nss = 0; | |
197 | ||
198 | for (i = 0; i <= HE_MCS_MAP_NSS_MAX; i++) { | |
199 | if (mcsset[i]) { | |
200 | (*nss)++; | |
201 | } | |
202 | } | |
203 | } | |
204 | #endif /* WL11AX */ | |
205 | ||
206 | static int | |
207 | wg_parse_ap_stadata(struct net_device *dev, struct ether_addr *sta_mac, | |
208 | wl_ap_sta_data_t *ap_sta_data) | |
209 | { | |
210 | sta_info_v4_t *sta_v4 = NULL; | |
211 | sta_info_v5_t *sta_v5 = NULL; | |
212 | wl_rateset_args_t *rateset_adv; | |
213 | int ret = BCME_OK; | |
214 | char* ioctl_buf = NULL; | |
215 | #if defined(WL11AX) | |
216 | struct wl_rateset_args_v2 *rateset_adv_v2; | |
217 | #endif | |
218 | ||
219 | ioctl_buf = (char*)kmalloc(WLC_IOCTL_MEDLEN, GFP_KERNEL); | |
220 | if (ioctl_buf == NULL) { | |
221 | WL_ERR(("failed to allocated ioctl_buf \n")); | |
222 | return BCME_ERROR; | |
223 | } | |
224 | ||
225 | ret = wldev_iovar_getbuf(dev, "sta_info", (struct ether_addr *)sta_mac, | |
226 | ETHER_ADDR_LEN, ioctl_buf, WLC_IOCTL_MEDLEN, NULL); | |
227 | ||
228 | if (ret < 0) { | |
229 | WL_ERR(("sta_info err value :%d\n", ret)); | |
230 | ret = BCME_ERROR; | |
231 | goto done; | |
232 | } | |
233 | ||
234 | sta_v4 = (sta_info_v4_t *)ioctl_buf; | |
235 | ap_sta_data->mac = *sta_mac; | |
236 | ap_sta_data->rssi = 0; | |
237 | ap_sta_data->mimo = 0; | |
238 | ||
239 | rateset_adv = &sta_v4->rateset_adv; | |
240 | ap_sta_data->chanspec = sta_v4->chanspec; | |
241 | ||
242 | WL_AP_BIGDATA_LOG(("sta_info ver %d\n", sta_v4->ver)); | |
243 | ||
244 | if (sta_v4->ver == WL_STA_VER_5) { | |
245 | sta_v5 = (sta_info_v5_t *)ioctl_buf; | |
246 | ap_sta_data->chanspec = sta_v5->chanspec; | |
247 | rateset_adv = &sta_v5->rateset_adv; | |
248 | } | |
249 | ||
250 | ap_sta_data->channel = wf_chspec_ctlchan(ap_sta_data->chanspec); | |
251 | ap_sta_data->rate = | |
252 | (sta_v4->rateset.rates[sta_v4->rateset.count - 1] & DOT11_RATE_MASK) / 2; | |
253 | ||
254 | if (sta_v4->vht_flags) { | |
255 | ap_sta_data->mode_80211 = BIGDATA_DOT11_11AC_MODE; | |
256 | wg_vht_mimo_ant(&ap_sta_data->nss, rateset_adv); | |
257 | } else if (sta_v4->ht_capabilities) { | |
258 | ap_sta_data->mode_80211 = BIGDATA_DOT11_11N_MODE; | |
259 | wg_ht_mimo_ant(&ap_sta_data->nss, rateset_adv); | |
260 | } else { | |
261 | wg_rate_dot11mode(&ap_sta_data->rate, &ap_sta_data->channel, | |
262 | &ap_sta_data->mode_80211); | |
263 | } | |
264 | ||
265 | #if defined(WL11AX) | |
266 | ret = wldev_iovar_getbuf(dev, "rateset", NULL, 0, ioctl_buf, | |
267 | sizeof(wl_rateset_args_v2_t), NULL); | |
268 | if (ret < 0) { | |
269 | WL_ERR(("get rateset failed = %d\n", ret)); | |
270 | } else { | |
271 | rateset_adv_v2 = (wl_rateset_args_v2_t *)ioctl_buf; | |
272 | WL_AP_BIGDATA_LOG(("rateset ver %d\n", rateset_adv_v2->version)); | |
273 | ||
274 | if (rateset_adv_v2->version == RATESET_ARGS_V2) { | |
275 | rateset_adv_v2 = (wl_rateset_args_v2_t *)&sta_v4->rateset_adv; | |
276 | if (sta_v4->ver == WL_STA_VER_5) { | |
277 | rateset_adv_v2 = (wl_rateset_args_v2_t *)&sta_v5->rateset_adv; | |
278 | } | |
279 | ||
280 | if (rateset_adv_v2->he_mcs[0]) { | |
281 | WL_AP_BIGDATA_LOG(("there is he mcs rate\n")); | |
282 | ap_sta_data->mode_80211 = BIGDATA_DOT11_11AX_MODE; | |
283 | wg_he_mimo_ant(&ap_sta_data->nss, &rateset_adv_v2->he_mcs[0]); | |
284 | } | |
285 | } | |
286 | } | |
287 | #endif /* WL11AX */ | |
288 | ||
289 | if (ap_sta_data->nss) { | |
290 | ap_sta_data->nss = ap_sta_data->nss - 1; | |
291 | } | |
292 | ||
293 | done: | |
294 | if (ioctl_buf) { | |
295 | kfree(ioctl_buf); | |
296 | } | |
297 | ||
298 | return ret; | |
299 | } | |
300 | ||
301 | void | |
302 | wl_gather_ap_stadata(void *handle, void *event_info, u8 event) | |
303 | { | |
304 | u32 event_type = 0; | |
305 | u32 reason = 0; | |
306 | u32 status = 0; | |
307 | struct ether_addr sta_mac; | |
308 | dhd_pub_t *dhdp; | |
309 | ||
310 | struct net_device *dev = NULL; | |
311 | struct bcm_cfg80211 *cfg = NULL; | |
312 | wl_event_msg_t *e; | |
313 | ||
314 | wl_ap_sta_data_t *sta_data; | |
315 | wl_ap_sta_data_t temp_sta_data; | |
316 | void *data = NULL; | |
317 | int i; | |
318 | int ret; | |
319 | ||
320 | ap_sta_wq_data_t *wq_event_data = event_info; | |
321 | if (!wq_event_data) { | |
322 | WL_ERR(("wq_event_data is NULL\n")); | |
323 | return; | |
324 | } | |
325 | ||
326 | cfg = (struct bcm_cfg80211 *)wq_event_data->bcm_cfg; | |
327 | if (!cfg || !cfg->ap_sta_info) { | |
328 | WL_ERR(("cfg=%p ap_sta_info=%p\n", cfg, (cfg ? cfg->ap_sta_info : NULL))); | |
329 | if (wq_event_data) { | |
330 | kfree(wq_event_data); | |
331 | } | |
332 | return; | |
333 | } | |
334 | ||
335 | mutex_lock(&cfg->ap_sta_info->wq_data_sync); | |
336 | ||
337 | dhdp = (dhd_pub_t *)cfg->pub; | |
338 | e = &wq_event_data->e; | |
339 | dev = (struct net_device *)wq_event_data->ndev; | |
340 | ||
341 | if (!e || !dev) { | |
342 | WL_ERR(("e=%p dev=%p\n", e, dev)); | |
343 | goto done; | |
344 | } | |
345 | ||
346 | if (!wl_get_drv_status(cfg, AP_CREATED, dev)) { | |
347 | WL_ERR(("skip to gather data becasue interface is not available\n")); | |
348 | goto done; | |
349 | } | |
350 | ||
351 | sta_data = cfg->ap_sta_info->ap_sta_data; | |
352 | ||
353 | event_type = ntoh32(e->event_type); | |
354 | reason = ntoh32(e->reason); | |
355 | status = ntoh32(e->status); | |
356 | sta_mac = e->addr; | |
357 | ||
358 | if (!sta_data) { | |
359 | WL_ERR(("sta_data is NULL\n")); | |
360 | goto done; | |
361 | } | |
362 | ||
363 | WL_AP_BIGDATA_LOG((""MACDBG" event %d status %d reason %d\n", | |
364 | MAC2STRDBG((char*)&sta_mac), event_type, status, reason)); | |
365 | ||
366 | if (WLC_E_IS_ASSOC(event_type, reason)) { | |
367 | ret = wg_parse_ap_stadata(dev, &sta_mac, &temp_sta_data); | |
368 | if (ret < 0) { | |
369 | WL_AP_BIGDATA_LOG(("sta_info err value :%d\n", ret)); | |
370 | goto done; | |
371 | } | |
372 | ||
373 | if (cfg->ap_sta_info->sta_list_cnt == 0) { | |
374 | copy_ap_stadata(&sta_data[0], &temp_sta_data); | |
375 | cfg->ap_sta_info->sta_list_cnt++; | |
376 | dump_ap_stadata(sta_data); | |
377 | } else { | |
378 | get_copy_ptr_stadata(&sta_mac, sta_data, | |
379 | &cfg->ap_sta_info->sta_list_cnt, &data); | |
380 | if (data != NULL) { | |
381 | copy_ap_stadata((wl_ap_sta_data_t *)data, &temp_sta_data); | |
382 | dump_ap_stadata(sta_data); | |
383 | } | |
384 | } | |
385 | } | |
386 | ||
387 | if (WLC_E_IS_DEAUTH(event_type)) { | |
388 | /* Find already existed sta */ | |
389 | for (i = 0; i < MAX_STA_INFO_AP_CNT; i++) { | |
390 | if (!sta_data[i].is_empty && | |
391 | !memcmp((char*)&sta_mac, (char*)&sta_data[i].mac, ETHER_ADDR_LEN)) { | |
392 | WL_AP_BIGDATA_LOG(("found disconnected " | |
393 | "STA idx %d "MACDBG"\n", | |
394 | i, MAC2STRDBG((char *)&sta_mac))); | |
395 | sta_data[i].is_empty = FALSE; | |
396 | sta_data[i].disconnected = TRUE; | |
397 | sta_data[i].reason_code = reason; | |
398 | dump_ap_stadata(sta_data); | |
399 | goto done; | |
400 | } | |
401 | } | |
402 | } | |
403 | ||
404 | done: | |
405 | if (wq_event_data) { | |
406 | ASSERT(dhdp->osh); | |
407 | MFREE(dhdp->osh, wq_event_data, sizeof(ap_sta_wq_data_t)); | |
408 | } | |
409 | mutex_unlock(&cfg->ap_sta_info->wq_data_sync); | |
410 | } | |
411 | ||
412 | int | |
413 | wl_attach_ap_stainfo(void *bcm_cfg) | |
414 | { | |
415 | gfp_t kflags; | |
416 | uint32 alloc_len; | |
417 | wl_ap_sta_info_t *sta_info; | |
418 | wl_ap_sta_data_t *sta_data = NULL; | |
419 | int i; | |
420 | struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)bcm_cfg; | |
421 | ||
422 | if (!cfg) { | |
423 | WL_ERR(("cfg is NULL\n")); | |
424 | return -EINVAL; | |
425 | } | |
426 | ||
427 | kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL; | |
428 | ||
429 | alloc_len = sizeof(wl_ap_sta_info_t); | |
430 | sta_info = (wl_ap_sta_info_t *)kzalloc(alloc_len, kflags); | |
431 | ||
432 | if (unlikely(!sta_info)) { | |
433 | WL_ERR(("could not allocate memory for - " | |
434 | "wl_ap_sta_info_t\n")); | |
435 | goto fail; | |
436 | } | |
437 | cfg->ap_sta_info = sta_info; | |
438 | ||
439 | alloc_len = sizeof(wl_ap_sta_data_t) * MAX_STA_INFO_AP_CNT; | |
440 | sta_data = (wl_ap_sta_data_t *)kzalloc(alloc_len, kflags); | |
441 | ||
442 | if (unlikely(!sta_data)) { | |
443 | WL_ERR(("could not allocate memory for - " | |
444 | "wl_ap_sta_data_t\n")); | |
445 | goto fail; | |
446 | } | |
447 | ||
448 | cfg->ap_sta_info->sta_list_cnt = 0; | |
449 | ||
450 | for (i = 0; i < MAX_STA_INFO_AP_CNT; i++) { | |
451 | sta_data[i].is_empty = TRUE; | |
452 | memset(&sta_data[i].mac, 0, ETHER_ADDR_LEN); | |
453 | } | |
454 | ||
455 | cfg->ap_sta_info->ap_sta_data = sta_data; | |
456 | ||
457 | mutex_init(&cfg->ap_sta_info->wq_data_sync); | |
458 | ||
459 | WL_ERR(("attach success\n")); | |
460 | ||
461 | return BCME_OK; | |
462 | ||
463 | fail: | |
464 | if (sta_data) { | |
465 | kfree(sta_data); | |
466 | cfg->ap_sta_info->ap_sta_data = NULL; | |
467 | } | |
468 | ||
469 | if (sta_info) { | |
470 | kfree(sta_info); | |
471 | cfg->ap_sta_info = NULL; | |
472 | } | |
473 | ||
474 | return BCME_ERROR; | |
475 | } | |
476 | ||
477 | int | |
478 | wl_detach_ap_stainfo(void *bcm_cfg) | |
479 | { | |
480 | struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)bcm_cfg; | |
481 | ||
482 | if (!cfg || !cfg->ap_sta_info) { | |
483 | WL_ERR(("cfg=%p ap_sta_info=%p\n", | |
484 | cfg, (cfg ? cfg->ap_sta_info : NULL))); | |
485 | return -EINVAL; | |
486 | } | |
487 | ||
488 | if (cfg->ap_sta_info->ap_sta_data) { | |
489 | kfree(cfg->ap_sta_info->ap_sta_data); | |
490 | cfg->ap_sta_info->ap_sta_data = NULL; | |
491 | } | |
492 | ||
493 | mutex_destroy(&cfg->ap_sta_info->wq_data_sync); | |
494 | ||
495 | kfree(cfg->ap_sta_info); | |
496 | cfg->ap_sta_info = NULL; | |
497 | ||
498 | WL_ERR(("detach success\n")); | |
499 | ||
500 | return BCME_OK; | |
501 | } | |
502 | ||
503 | int | |
504 | wl_ap_stainfo_init(void *bcm_cfg) | |
505 | { | |
506 | int i; | |
507 | wl_ap_sta_data_t *sta_data; | |
508 | struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)bcm_cfg; | |
509 | ||
510 | if (!cfg || !cfg->ap_sta_info) { | |
511 | WL_ERR(("cfg=%p ap_sta_info=%p\n", | |
512 | cfg, (cfg ? cfg->ap_sta_info : NULL))); | |
513 | return -EINVAL; | |
514 | } | |
515 | ||
516 | sta_data = cfg->ap_sta_info->ap_sta_data; | |
517 | cfg->ap_sta_info->sta_list_cnt = 0; | |
518 | ||
519 | if (!sta_data) { | |
520 | WL_ERR(("ap_sta_data is NULL\n")); | |
521 | return -EINVAL; | |
522 | } | |
523 | ||
524 | for (i = 0; i < MAX_STA_INFO_AP_CNT; i++) { | |
525 | sta_data[i].is_empty = TRUE; | |
526 | memset(&sta_data[i].mac, 0, ETHER_ADDR_LEN); | |
527 | } | |
528 | ||
529 | return BCME_OK; | |
530 | } | |
531 | ||
532 | int | |
533 | wl_get_ap_stadata(void *bcm_cfg, struct ether_addr *sta_mac, void **data) | |
534 | { | |
535 | int i; | |
536 | wl_ap_sta_data_t *sta_data; | |
537 | struct bcm_cfg80211 *cfg = (struct bcm_cfg80211 *)bcm_cfg; | |
538 | ||
539 | if (!cfg || !cfg->ap_sta_info) { | |
540 | WL_ERR(("cfg=%p ap_sta_info=%p\n", | |
541 | cfg, (cfg ? cfg->ap_sta_info : NULL))); | |
542 | return -EINVAL; | |
543 | } | |
544 | ||
545 | if (!sta_mac || !data) { | |
546 | WL_ERR(("sta_mac=%p data=%p\n", sta_mac, data)); | |
547 | return -EINVAL; | |
548 | } | |
549 | ||
550 | sta_data = cfg->ap_sta_info->ap_sta_data; | |
551 | ||
552 | if (!sta_data) { | |
553 | WL_ERR(("ap_sta_data is NULL\n")); | |
554 | return -EINVAL; | |
555 | } | |
556 | ||
557 | /* Find already existed sta */ | |
558 | for (i = 0; i < MAX_STA_INFO_AP_CNT; i++) { | |
559 | if (!sta_data[i].is_empty) { | |
560 | WL_AP_BIGDATA_LOG(("%d " MACDBG " " MACDBG "\n", i, | |
561 | MAC2STRDBG((char *)sta_mac), | |
562 | MAC2STRDBG((char*)&sta_data[i].mac))); | |
563 | ||
564 | if (!memcmp(sta_mac, (char*)&sta_data[i].mac, ETHER_ADDR_LEN)) { | |
565 | WL_AP_BIGDATA_LOG(("Found STA idx %d " MACDBG "\n", | |
566 | i, MAC2STRDBG((char *)&sta_mac))); | |
567 | ||
568 | *data = (wl_ap_sta_data_t*)&sta_data[i]; | |
569 | return BCME_OK; | |
570 | } | |
571 | } | |
572 | } | |
573 | ||
574 | return BCME_ERROR; | |
575 | } |