1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
4 * All rights reserved.
5 */
6
7 #include "netdev.h"
8
9 #define WILC_HIF_SCAN_TIMEOUT_MS 5000
10 #define WILC_HIF_CONNECT_TIMEOUT_MS 9500
11
12 #define WILC_FALSE_FRMWR_CHANNEL 100
13
14 #define WILC_SCAN_WID_LIST_SIZE 6
15
16 struct wilc_rcvd_mac_info {
17 u8 status;
18 };
19
20 struct wilc_set_multicast {
21 u32 enabled;
22 u32 cnt;
23 u8 *mc_list;
24 };
25
26 struct host_if_wowlan_trigger {
27 u8 wowlan_trigger;
28 };
29
30 struct wilc_del_all_sta {
31 u8 assoc_sta;
32 u8 mac[WILC_MAX_NUM_STA][ETH_ALEN];
33 };
34
35 union wilc_message_body {
36 struct wilc_rcvd_net_info net_info;
37 struct wilc_rcvd_mac_info mac_info;
38 struct wilc_set_multicast mc_info;
39 struct wilc_remain_ch remain_on_ch;
40 char *data;
41 struct host_if_wowlan_trigger wow_trigger;
42 };
43
44 struct host_if_msg {
45 union wilc_message_body body;
46 struct wilc_vif *vif;
47 struct work_struct work;
48 void (*fn)(struct work_struct *ws);
49 struct completion work_comp;
50 bool is_sync;
51 };
52
53 /* 'msg' should be free by the caller for syc */
54 static struct host_if_msg*
wilc_alloc_work(struct wilc_vif * vif,void (* work_fun)(struct work_struct *),bool is_sync)55 wilc_alloc_work(struct wilc_vif *vif, void (*work_fun)(struct work_struct *),
56 bool is_sync)
57 {
58 struct host_if_msg *msg;
59
60 if (!work_fun)
61 return ERR_PTR(-EINVAL);
62
63 msg = kzalloc(sizeof(*msg), GFP_ATOMIC);
64 if (!msg)
65 return ERR_PTR(-ENOMEM);
66 msg->fn = work_fun;
67 msg->vif = vif;
68 msg->is_sync = is_sync;
69 if (is_sync)
70 init_completion(&msg->work_comp);
71
72 return msg;
73 }
74
wilc_enqueue_work(struct host_if_msg * msg)75 static int wilc_enqueue_work(struct host_if_msg *msg)
76 {
77 INIT_WORK(&msg->work, msg->fn);
78
79 if (!msg->vif || !msg->vif->wilc || !msg->vif->wilc->hif_workqueue)
80 return -EINVAL;
81
82 if (!queue_work(msg->vif->wilc->hif_workqueue, &msg->work))
83 return -EINVAL;
84
85 return 0;
86 }
87
88 /* The idx starts from 0 to (NUM_CONCURRENT_IFC - 1), but 0 index used as
89 * special purpose in wilc device, so we add 1 to the index to starts from 1.
90 * As a result, the returned index will be 1 to NUM_CONCURRENT_IFC.
91 */
wilc_get_vif_idx(struct wilc_vif * vif)92 int wilc_get_vif_idx(struct wilc_vif *vif)
93 {
94 return vif->idx + 1;
95 }
96
97 /* We need to minus 1 from idx which is from wilc device to get real index
98 * of wilc->vif[], because we add 1 when pass to wilc device in the function
99 * wilc_get_vif_idx.
100 * As a result, the index should be between 0 and (NUM_CONCURRENT_IFC - 1).
101 */
wilc_get_vif_from_idx(struct wilc * wilc,int idx)102 static struct wilc_vif *wilc_get_vif_from_idx(struct wilc *wilc, int idx)
103 {
104 int index = idx - 1;
105 struct wilc_vif *vif;
106
107 if (index < 0 || index >= WILC_NUM_CONCURRENT_IFC)
108 return NULL;
109
110 list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
111 if (vif->idx == index)
112 return vif;
113 }
114
115 return NULL;
116 }
117
handle_scan_done(struct wilc_vif * vif,enum scan_event evt)118 static int handle_scan_done(struct wilc_vif *vif, enum scan_event evt)
119 {
120 int result = 0;
121 u8 abort_running_scan;
122 struct wid wid;
123 struct host_if_drv *hif_drv = vif->hif_drv;
124 struct wilc_user_scan_req *scan_req;
125
126 if (evt == SCAN_EVENT_ABORTED) {
127 abort_running_scan = 1;
128 wid.id = WID_ABORT_RUNNING_SCAN;
129 wid.type = WID_CHAR;
130 wid.val = (s8 *)&abort_running_scan;
131 wid.size = sizeof(char);
132
133 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
134 if (result) {
135 netdev_err(vif->ndev, "Failed to set abort running\n");
136 result = -EFAULT;
137 }
138 }
139
140 if (!hif_drv) {
141 netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
142 return result;
143 }
144
145 scan_req = &hif_drv->usr_scan_req;
146 if (scan_req->scan_result) {
147 scan_req->scan_result(evt, NULL, scan_req->arg);
148 scan_req->scan_result = NULL;
149 }
150
151 return result;
152 }
153
wilc_scan(struct wilc_vif * vif,u8 scan_source,u8 scan_type,u8 * ch_freq_list,u8 ch_list_len,void (* scan_result_fn)(enum scan_event,struct wilc_rcvd_net_info *,void *),void * user_arg,struct cfg80211_scan_request * request)154 int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type,
155 u8 *ch_freq_list, u8 ch_list_len,
156 void (*scan_result_fn)(enum scan_event,
157 struct wilc_rcvd_net_info *, void *),
158 void *user_arg, struct cfg80211_scan_request *request)
159 {
160 int result = 0;
161 struct wid wid_list[WILC_SCAN_WID_LIST_SIZE];
162 u32 index = 0;
163 u32 i, scan_timeout;
164 u8 *buffer;
165 u8 valuesize = 0;
166 u8 *search_ssid_vals = NULL;
167 struct host_if_drv *hif_drv = vif->hif_drv;
168
169 if (hif_drv->hif_state >= HOST_IF_SCANNING &&
170 hif_drv->hif_state < HOST_IF_CONNECTED) {
171 netdev_err(vif->ndev, "Already scan\n");
172 result = -EBUSY;
173 goto error;
174 }
175
176 if (vif->connecting) {
177 netdev_err(vif->ndev, "Don't do obss scan\n");
178 result = -EBUSY;
179 goto error;
180 }
181
182 hif_drv->usr_scan_req.ch_cnt = 0;
183
184 if (request->n_ssids) {
185 for (i = 0; i < request->n_ssids; i++)
186 valuesize += ((request->ssids[i].ssid_len) + 1);
187 search_ssid_vals = kmalloc(valuesize + 1, GFP_KERNEL);
188 if (search_ssid_vals) {
189 wid_list[index].id = WID_SSID_PROBE_REQ;
190 wid_list[index].type = WID_STR;
191 wid_list[index].val = search_ssid_vals;
192 buffer = wid_list[index].val;
193
194 *buffer++ = request->n_ssids;
195
196 for (i = 0; i < request->n_ssids; i++) {
197 *buffer++ = request->ssids[i].ssid_len;
198 memcpy(buffer, request->ssids[i].ssid,
199 request->ssids[i].ssid_len);
200 buffer += request->ssids[i].ssid_len;
201 }
202 wid_list[index].size = (s32)(valuesize + 1);
203 index++;
204 }
205 }
206
207 wid_list[index].id = WID_INFO_ELEMENT_PROBE;
208 wid_list[index].type = WID_BIN_DATA;
209 wid_list[index].val = (s8 *)request->ie;
210 wid_list[index].size = request->ie_len;
211 index++;
212
213 wid_list[index].id = WID_SCAN_TYPE;
214 wid_list[index].type = WID_CHAR;
215 wid_list[index].size = sizeof(char);
216 wid_list[index].val = (s8 *)&scan_type;
217 index++;
218
219 if (scan_type == WILC_FW_PASSIVE_SCAN && request->duration) {
220 wid_list[index].id = WID_PASSIVE_SCAN_TIME;
221 wid_list[index].type = WID_SHORT;
222 wid_list[index].size = sizeof(u16);
223 wid_list[index].val = (s8 *)&request->duration;
224 index++;
225
226 scan_timeout = (request->duration * ch_list_len) + 500;
227 } else {
228 scan_timeout = WILC_HIF_SCAN_TIMEOUT_MS;
229 }
230
231 wid_list[index].id = WID_SCAN_CHANNEL_LIST;
232 wid_list[index].type = WID_BIN_DATA;
233
234 if (ch_freq_list && ch_list_len > 0) {
235 for (i = 0; i < ch_list_len; i++) {
236 if (ch_freq_list[i] > 0)
237 ch_freq_list[i] -= 1;
238 }
239 }
240
241 wid_list[index].val = ch_freq_list;
242 wid_list[index].size = ch_list_len;
243 index++;
244
245 wid_list[index].id = WID_START_SCAN_REQ;
246 wid_list[index].type = WID_CHAR;
247 wid_list[index].size = sizeof(char);
248 wid_list[index].val = (s8 *)&scan_source;
249 index++;
250
251 hif_drv->usr_scan_req.scan_result = scan_result_fn;
252 hif_drv->usr_scan_req.arg = user_arg;
253
254 result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, index);
255 if (result) {
256 netdev_err(vif->ndev, "Failed to send scan parameters\n");
257 goto error;
258 }
259
260 hif_drv->scan_timer_vif = vif;
261 mod_timer(&hif_drv->scan_timer,
262 jiffies + msecs_to_jiffies(scan_timeout));
263
264 error:
265
266 kfree(search_ssid_vals);
267
268 return result;
269 }
270
wilc_send_connect_wid(struct wilc_vif * vif)271 static int wilc_send_connect_wid(struct wilc_vif *vif)
272 {
273 int result = 0;
274 struct wid wid_list[5];
275 u32 wid_cnt = 0;
276 struct host_if_drv *hif_drv = vif->hif_drv;
277 struct wilc_conn_info *conn_attr = &hif_drv->conn_info;
278 struct wilc_join_bss_param *bss_param = conn_attr->param;
279
280
281 wid_list[wid_cnt].id = WID_SET_MFP;
282 wid_list[wid_cnt].type = WID_CHAR;
283 wid_list[wid_cnt].size = sizeof(char);
284 wid_list[wid_cnt].val = (s8 *)&conn_attr->mfp_type;
285 wid_cnt++;
286
287 wid_list[wid_cnt].id = WID_INFO_ELEMENT_ASSOCIATE;
288 wid_list[wid_cnt].type = WID_BIN_DATA;
289 wid_list[wid_cnt].val = conn_attr->req_ies;
290 wid_list[wid_cnt].size = conn_attr->req_ies_len;
291 wid_cnt++;
292
293 wid_list[wid_cnt].id = WID_11I_MODE;
294 wid_list[wid_cnt].type = WID_CHAR;
295 wid_list[wid_cnt].size = sizeof(char);
296 wid_list[wid_cnt].val = (s8 *)&conn_attr->security;
297 wid_cnt++;
298
299 wid_list[wid_cnt].id = WID_AUTH_TYPE;
300 wid_list[wid_cnt].type = WID_CHAR;
301 wid_list[wid_cnt].size = sizeof(char);
302 wid_list[wid_cnt].val = (s8 *)&conn_attr->auth_type;
303 wid_cnt++;
304
305 wid_list[wid_cnt].id = WID_JOIN_REQ_EXTENDED;
306 wid_list[wid_cnt].type = WID_STR;
307 wid_list[wid_cnt].size = sizeof(*bss_param);
308 wid_list[wid_cnt].val = (u8 *)bss_param;
309 wid_cnt++;
310
311 result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, wid_cnt);
312 if (result) {
313 netdev_err(vif->ndev, "failed to send config packet\n");
314 goto error;
315 } else {
316 if (conn_attr->auth_type == WILC_FW_AUTH_SAE)
317 hif_drv->hif_state = HOST_IF_EXTERNAL_AUTH;
318 else
319 hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
320 }
321
322 return 0;
323
324 error:
325
326 kfree(conn_attr->req_ies);
327 conn_attr->req_ies = NULL;
328
329 return result;
330 }
331
handle_connect_timeout(struct work_struct * work)332 static void handle_connect_timeout(struct work_struct *work)
333 {
334 struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
335 struct wilc_vif *vif = msg->vif;
336 int result;
337 struct wid wid;
338 u16 dummy_reason_code = 0;
339 struct host_if_drv *hif_drv = vif->hif_drv;
340
341 if (!hif_drv) {
342 netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
343 goto out;
344 }
345
346 hif_drv->hif_state = HOST_IF_IDLE;
347
348 if (hif_drv->conn_info.conn_result) {
349 hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_CONN_RESP,
350 WILC_MAC_STATUS_DISCONNECTED,
351 hif_drv->conn_info.arg);
352
353 } else {
354 netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
355 }
356
357 wid.id = WID_DISCONNECT;
358 wid.type = WID_CHAR;
359 wid.val = (s8 *)&dummy_reason_code;
360 wid.size = sizeof(char);
361
362 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
363 if (result)
364 netdev_err(vif->ndev, "Failed to send disconnect\n");
365
366 hif_drv->conn_info.req_ies_len = 0;
367 kfree(hif_drv->conn_info.req_ies);
368 hif_drv->conn_info.req_ies = NULL;
369
370 out:
371 kfree(msg);
372 }
373
wilc_parse_join_bss_param(struct cfg80211_bss * bss,struct cfg80211_crypto_settings * crypto)374 void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
375 struct cfg80211_crypto_settings *crypto)
376 {
377 struct wilc_join_bss_param *param;
378 struct ieee80211_p2p_noa_attr noa_attr;
379 u8 rates_len = 0;
380 const u8 *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
381 const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
382 int ret;
383 const struct cfg80211_bss_ies *ies = rcu_dereference(bss->ies);
384
385 param = kzalloc(sizeof(*param), GFP_KERNEL);
386 if (!param)
387 return NULL;
388
389 param->beacon_period = cpu_to_le16(bss->beacon_interval);
390 param->cap_info = cpu_to_le16(bss->capability);
391 param->bss_type = WILC_FW_BSS_TYPE_INFRA;
392 param->ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
393 ether_addr_copy(param->bssid, bss->bssid);
394
395 ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies->data, ies->len);
396 if (ssid_elm) {
397 if (ssid_elm[1] <= IEEE80211_MAX_SSID_LEN)
398 memcpy(param->ssid, ssid_elm + 2, ssid_elm[1]);
399 }
400
401 tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len);
402 if (tim_elm && tim_elm[1] >= 2)
403 param->dtim_period = tim_elm[3];
404
405 memset(param->p_suites, 0xFF, 3);
406 memset(param->akm_suites, 0xFF, 3);
407
408 rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies->data, ies->len);
409 if (rates_ie) {
410 rates_len = rates_ie[1];
411 if (rates_len > WILC_MAX_RATES_SUPPORTED)
412 rates_len = WILC_MAX_RATES_SUPPORTED;
413 param->supp_rates[0] = rates_len;
414 memcpy(¶m->supp_rates[1], rates_ie + 2, rates_len);
415 }
416
417 if (rates_len < WILC_MAX_RATES_SUPPORTED) {
418 supp_rates_ie = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
419 ies->data, ies->len);
420 if (supp_rates_ie) {
421 u8 ext_rates = supp_rates_ie[1];
422
423 if (ext_rates > (WILC_MAX_RATES_SUPPORTED - rates_len))
424 param->supp_rates[0] = WILC_MAX_RATES_SUPPORTED;
425 else
426 param->supp_rates[0] += ext_rates;
427
428 memcpy(¶m->supp_rates[rates_len + 1],
429 supp_rates_ie + 2,
430 (param->supp_rates[0] - rates_len));
431 }
432 }
433
434 ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies->data, ies->len);
435 if (ht_ie)
436 param->ht_capable = true;
437
438 ret = cfg80211_get_p2p_attr(ies->data, ies->len,
439 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
440 (u8 *)&noa_attr, sizeof(noa_attr));
441 if (ret > 0) {
442 param->tsf_lo = cpu_to_le32(ies->tsf);
443 param->noa_enabled = 1;
444 param->idx = noa_attr.index;
445 if (noa_attr.oppps_ctwindow & IEEE80211_P2P_OPPPS_ENABLE_BIT) {
446 param->opp_enabled = 1;
447 param->opp_en.ct_window = noa_attr.oppps_ctwindow;
448 param->opp_en.cnt = noa_attr.desc[0].count;
449 param->opp_en.duration = noa_attr.desc[0].duration;
450 param->opp_en.interval = noa_attr.desc[0].interval;
451 param->opp_en.start_time = noa_attr.desc[0].start_time;
452 } else {
453 param->opp_enabled = 0;
454 param->opp_dis.cnt = noa_attr.desc[0].count;
455 param->opp_dis.duration = noa_attr.desc[0].duration;
456 param->opp_dis.interval = noa_attr.desc[0].interval;
457 param->opp_dis.start_time = noa_attr.desc[0].start_time;
458 }
459 }
460 wmm_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
461 WLAN_OUI_TYPE_MICROSOFT_WMM,
462 ies->data, ies->len);
463 if (wmm_ie) {
464 struct ieee80211_wmm_param_ie *ie;
465
466 ie = (struct ieee80211_wmm_param_ie *)wmm_ie;
467 if ((ie->oui_subtype == 0 || ie->oui_subtype == 1) &&
468 ie->version == 1) {
469 param->wmm_cap = true;
470 if (ie->qos_info & BIT(7))
471 param->uapsd_cap = true;
472 }
473 }
474
475 wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
476 WLAN_OUI_TYPE_MICROSOFT_WPA,
477 ies->data, ies->len);
478 if (wpa_ie) {
479 param->mode_802_11i = 1;
480 param->rsn_found = true;
481 }
482
483 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies->data, ies->len);
484 if (rsn_ie) {
485 int rsn_ie_len = sizeof(struct element) + rsn_ie[1];
486 int offset = 8;
487
488 /* extract RSN capabilities */
489 if (offset < rsn_ie_len) {
490 /* skip over pairwise suites */
491 offset += (rsn_ie[offset] * 4) + 2;
492
493 if (offset < rsn_ie_len) {
494 /* skip over authentication suites */
495 offset += (rsn_ie[offset] * 4) + 2;
496
497 if (offset + 1 < rsn_ie_len) {
498 param->mode_802_11i = 2;
499 param->rsn_found = true;
500 memcpy(param->rsn_cap, &rsn_ie[offset], 2);
501 }
502 }
503 }
504 }
505
506 if (param->rsn_found) {
507 int i;
508
509 param->rsn_grp_policy = crypto->cipher_group & 0xFF;
510 for (i = 0; i < crypto->n_ciphers_pairwise && i < 3; i++)
511 param->p_suites[i] = crypto->ciphers_pairwise[i] & 0xFF;
512
513 for (i = 0; i < crypto->n_akm_suites && i < 3; i++)
514 param->akm_suites[i] = crypto->akm_suites[i] & 0xFF;
515 }
516
517 return (void *)param;
518 }
519
handle_rcvd_ntwrk_info(struct work_struct * work)520 static void handle_rcvd_ntwrk_info(struct work_struct *work)
521 {
522 struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
523 struct wilc_rcvd_net_info *rcvd_info = &msg->body.net_info;
524 struct wilc_user_scan_req *scan_req = &msg->vif->hif_drv->usr_scan_req;
525 const u8 *ch_elm;
526 u8 *ies;
527 int ies_len;
528 size_t offset;
529
530 if (ieee80211_is_probe_resp(rcvd_info->mgmt->frame_control))
531 offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
532 else if (ieee80211_is_beacon(rcvd_info->mgmt->frame_control))
533 offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
534 else
535 goto done;
536
537 ies = rcvd_info->mgmt->u.beacon.variable;
538 ies_len = rcvd_info->frame_len - offset;
539 if (ies_len <= 0)
540 goto done;
541
542 ch_elm = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ies, ies_len);
543 if (ch_elm && ch_elm[1] > 0)
544 rcvd_info->ch = ch_elm[2];
545
546 if (scan_req->scan_result)
547 scan_req->scan_result(SCAN_EVENT_NETWORK_FOUND, rcvd_info,
548 scan_req->arg);
549
550 done:
551 kfree(rcvd_info->mgmt);
552 kfree(msg);
553 }
554
host_int_get_assoc_res_info(struct wilc_vif * vif,u8 * assoc_resp_info,u32 max_assoc_resp_info_len,u32 * rcvd_assoc_resp_info_len)555 static void host_int_get_assoc_res_info(struct wilc_vif *vif,
556 u8 *assoc_resp_info,
557 u32 max_assoc_resp_info_len,
558 u32 *rcvd_assoc_resp_info_len)
559 {
560 int result;
561 struct wid wid;
562
563 wid.id = WID_ASSOC_RES_INFO;
564 wid.type = WID_STR;
565 wid.val = assoc_resp_info;
566 wid.size = max_assoc_resp_info_len;
567
568 result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
569 if (result) {
570 *rcvd_assoc_resp_info_len = 0;
571 netdev_err(vif->ndev, "Failed to send association response\n");
572 return;
573 }
574
575 *rcvd_assoc_resp_info_len = wid.size;
576 }
577
wilc_parse_assoc_resp_info(u8 * buffer,u32 buffer_len,struct wilc_conn_info * ret_conn_info)578 static s32 wilc_parse_assoc_resp_info(u8 *buffer, u32 buffer_len,
579 struct wilc_conn_info *ret_conn_info)
580 {
581 u8 *ies;
582 u16 ies_len;
583 struct wilc_assoc_resp *res = (struct wilc_assoc_resp *)buffer;
584
585 ret_conn_info->status = le16_to_cpu(res->status_code);
586 if (ret_conn_info->status == WLAN_STATUS_SUCCESS) {
587 ies = &buffer[sizeof(*res)];
588 ies_len = buffer_len - sizeof(*res);
589
590 ret_conn_info->resp_ies = kmemdup(ies, ies_len, GFP_KERNEL);
591 if (!ret_conn_info->resp_ies)
592 return -ENOMEM;
593
594 ret_conn_info->resp_ies_len = ies_len;
595 }
596
597 return 0;
598 }
599
host_int_parse_assoc_resp_info(struct wilc_vif * vif,u8 mac_status)600 static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif,
601 u8 mac_status)
602 {
603 struct host_if_drv *hif_drv = vif->hif_drv;
604 struct wilc_conn_info *conn_info = &hif_drv->conn_info;
605
606 if (mac_status == WILC_MAC_STATUS_CONNECTED) {
607 u32 assoc_resp_info_len;
608
609 memset(hif_drv->assoc_resp, 0, WILC_MAX_ASSOC_RESP_FRAME_SIZE);
610
611 host_int_get_assoc_res_info(vif, hif_drv->assoc_resp,
612 WILC_MAX_ASSOC_RESP_FRAME_SIZE,
613 &assoc_resp_info_len);
614
615 if (assoc_resp_info_len != 0) {
616 s32 err = 0;
617
618 err = wilc_parse_assoc_resp_info(hif_drv->assoc_resp,
619 assoc_resp_info_len,
620 conn_info);
621 if (err)
622 netdev_err(vif->ndev,
623 "wilc_parse_assoc_resp_info() returned error %d\n",
624 err);
625 }
626 }
627
628 del_timer(&hif_drv->connect_timer);
629 conn_info->conn_result(CONN_DISCONN_EVENT_CONN_RESP, mac_status,
630 hif_drv->conn_info.arg);
631
632 if (mac_status == WILC_MAC_STATUS_CONNECTED &&
633 conn_info->status == WLAN_STATUS_SUCCESS) {
634 ether_addr_copy(hif_drv->assoc_bssid, conn_info->bssid);
635 hif_drv->hif_state = HOST_IF_CONNECTED;
636 } else {
637 hif_drv->hif_state = HOST_IF_IDLE;
638 }
639
640 kfree(conn_info->resp_ies);
641 conn_info->resp_ies = NULL;
642 conn_info->resp_ies_len = 0;
643
644 kfree(conn_info->req_ies);
645 conn_info->req_ies = NULL;
646 conn_info->req_ies_len = 0;
647 }
648
wilc_handle_disconnect(struct wilc_vif * vif)649 void wilc_handle_disconnect(struct wilc_vif *vif)
650 {
651 struct host_if_drv *hif_drv = vif->hif_drv;
652
653 if (hif_drv->usr_scan_req.scan_result) {
654 del_timer(&hif_drv->scan_timer);
655 handle_scan_done(vif, SCAN_EVENT_ABORTED);
656 }
657
658 if (hif_drv->conn_info.conn_result)
659 hif_drv->conn_info.conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF,
660 0, hif_drv->conn_info.arg);
661
662 eth_zero_addr(hif_drv->assoc_bssid);
663
664 hif_drv->conn_info.req_ies_len = 0;
665 kfree(hif_drv->conn_info.req_ies);
666 hif_drv->conn_info.req_ies = NULL;
667 hif_drv->hif_state = HOST_IF_IDLE;
668 }
669
handle_rcvd_gnrl_async_info(struct work_struct * work)670 static void handle_rcvd_gnrl_async_info(struct work_struct *work)
671 {
672 struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
673 struct wilc_vif *vif = msg->vif;
674 struct wilc_rcvd_mac_info *mac_info = &msg->body.mac_info;
675 struct host_if_drv *hif_drv = vif->hif_drv;
676
677 if (!hif_drv) {
678 netdev_err(vif->ndev, "%s: hif driver is NULL\n", __func__);
679 goto free_msg;
680 }
681
682 if (!hif_drv->conn_info.conn_result) {
683 netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
684 goto free_msg;
685 }
686
687
688 if (hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH) {
689 cfg80211_external_auth_request(vif->ndev, &vif->auth,
690 GFP_KERNEL);
691 hif_drv->hif_state = HOST_IF_WAITING_CONN_RESP;
692 } else if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP) {
693 host_int_parse_assoc_resp_info(vif, mac_info->status);
694 } else if (mac_info->status == WILC_MAC_STATUS_DISCONNECTED) {
695 if (hif_drv->hif_state == HOST_IF_CONNECTED) {
696 wilc_handle_disconnect(vif);
697 } else if (hif_drv->usr_scan_req.scan_result) {
698 del_timer(&hif_drv->scan_timer);
699 handle_scan_done(vif, SCAN_EVENT_ABORTED);
700 }
701 }
702
703 free_msg:
704 kfree(msg);
705 }
706
wilc_disconnect(struct wilc_vif * vif)707 int wilc_disconnect(struct wilc_vif *vif)
708 {
709 struct wid wid;
710 struct host_if_drv *hif_drv = vif->hif_drv;
711 struct wilc_user_scan_req *scan_req;
712 struct wilc_conn_info *conn_info;
713 int result;
714 u16 dummy_reason_code = 0;
715
716 wid.id = WID_DISCONNECT;
717 wid.type = WID_CHAR;
718 wid.val = (s8 *)&dummy_reason_code;
719 wid.size = sizeof(char);
720
721 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
722 if (result) {
723 netdev_err(vif->ndev, "Failed to send disconnect\n");
724 return result;
725 }
726
727 scan_req = &hif_drv->usr_scan_req;
728 conn_info = &hif_drv->conn_info;
729
730 if (scan_req->scan_result) {
731 del_timer(&hif_drv->scan_timer);
732 scan_req->scan_result(SCAN_EVENT_ABORTED, NULL, scan_req->arg);
733 scan_req->scan_result = NULL;
734 }
735
736 if (conn_info->conn_result) {
737 if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP ||
738 hif_drv->hif_state == HOST_IF_EXTERNAL_AUTH)
739 del_timer(&hif_drv->connect_timer);
740
741 conn_info->conn_result(CONN_DISCONN_EVENT_DISCONN_NOTIF, 0,
742 conn_info->arg);
743 } else {
744 netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
745 }
746
747 hif_drv->hif_state = HOST_IF_IDLE;
748
749 eth_zero_addr(hif_drv->assoc_bssid);
750
751 conn_info->req_ies_len = 0;
752 kfree(conn_info->req_ies);
753 conn_info->req_ies = NULL;
754
755 return 0;
756 }
757
wilc_get_statistics(struct wilc_vif * vif,struct rf_info * stats)758 int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats)
759 {
760 struct wid wid_list[5];
761 u32 wid_cnt = 0, result;
762
763 wid_list[wid_cnt].id = WID_LINKSPEED;
764 wid_list[wid_cnt].type = WID_CHAR;
765 wid_list[wid_cnt].size = sizeof(char);
766 wid_list[wid_cnt].val = (s8 *)&stats->link_speed;
767 wid_cnt++;
768
769 wid_list[wid_cnt].id = WID_RSSI;
770 wid_list[wid_cnt].type = WID_CHAR;
771 wid_list[wid_cnt].size = sizeof(char);
772 wid_list[wid_cnt].val = (s8 *)&stats->rssi;
773 wid_cnt++;
774
775 wid_list[wid_cnt].id = WID_SUCCESS_FRAME_COUNT;
776 wid_list[wid_cnt].type = WID_INT;
777 wid_list[wid_cnt].size = sizeof(u32);
778 wid_list[wid_cnt].val = (s8 *)&stats->tx_cnt;
779 wid_cnt++;
780
781 wid_list[wid_cnt].id = WID_RECEIVED_FRAGMENT_COUNT;
782 wid_list[wid_cnt].type = WID_INT;
783 wid_list[wid_cnt].size = sizeof(u32);
784 wid_list[wid_cnt].val = (s8 *)&stats->rx_cnt;
785 wid_cnt++;
786
787 wid_list[wid_cnt].id = WID_FAILED_COUNT;
788 wid_list[wid_cnt].type = WID_INT;
789 wid_list[wid_cnt].size = sizeof(u32);
790 wid_list[wid_cnt].val = (s8 *)&stats->tx_fail_cnt;
791 wid_cnt++;
792
793 result = wilc_send_config_pkt(vif, WILC_GET_CFG, wid_list, wid_cnt);
794 if (result) {
795 netdev_err(vif->ndev, "Failed to send scan parameters\n");
796 return result;
797 }
798
799 if (stats->link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
800 stats->link_speed != DEFAULT_LINK_SPEED)
801 wilc_enable_tcp_ack_filter(vif, true);
802 else if (stats->link_speed != DEFAULT_LINK_SPEED)
803 wilc_enable_tcp_ack_filter(vif, false);
804
805 return result;
806 }
807
handle_get_statistics(struct work_struct * work)808 static void handle_get_statistics(struct work_struct *work)
809 {
810 struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
811 struct wilc_vif *vif = msg->vif;
812 struct rf_info *stats = (struct rf_info *)msg->body.data;
813
814 wilc_get_statistics(vif, stats);
815
816 kfree(msg);
817 }
818
wilc_hif_pack_sta_param(u8 * cur_byte,const u8 * mac,struct station_parameters * params)819 static void wilc_hif_pack_sta_param(u8 *cur_byte, const u8 *mac,
820 struct station_parameters *params)
821 {
822 ether_addr_copy(cur_byte, mac);
823 cur_byte += ETH_ALEN;
824
825 put_unaligned_le16(params->aid, cur_byte);
826 cur_byte += 2;
827
828 *cur_byte++ = params->link_sta_params.supported_rates_len;
829 if (params->link_sta_params.supported_rates_len > 0)
830 memcpy(cur_byte, params->link_sta_params.supported_rates,
831 params->link_sta_params.supported_rates_len);
832 cur_byte += params->link_sta_params.supported_rates_len;
833
834 if (params->link_sta_params.ht_capa) {
835 *cur_byte++ = true;
836 memcpy(cur_byte, params->link_sta_params.ht_capa,
837 sizeof(struct ieee80211_ht_cap));
838 } else {
839 *cur_byte++ = false;
840 }
841 cur_byte += sizeof(struct ieee80211_ht_cap);
842
843 put_unaligned_le16(params->sta_flags_mask, cur_byte);
844 cur_byte += 2;
845 put_unaligned_le16(params->sta_flags_set, cur_byte);
846 }
847
handle_remain_on_chan(struct wilc_vif * vif,struct wilc_remain_ch * hif_remain_ch)848 static int handle_remain_on_chan(struct wilc_vif *vif,
849 struct wilc_remain_ch *hif_remain_ch)
850 {
851 int result;
852 u8 remain_on_chan_flag;
853 struct wid wid;
854 struct host_if_drv *hif_drv = vif->hif_drv;
855
856 if (hif_drv->usr_scan_req.scan_result)
857 return -EBUSY;
858
859 if (hif_drv->hif_state == HOST_IF_WAITING_CONN_RESP)
860 return -EBUSY;
861
862 if (vif->connecting)
863 return -EBUSY;
864
865 remain_on_chan_flag = true;
866 wid.id = WID_REMAIN_ON_CHAN;
867 wid.type = WID_STR;
868 wid.size = 2;
869 wid.val = kmalloc(wid.size, GFP_KERNEL);
870 if (!wid.val)
871 return -ENOMEM;
872
873 wid.val[0] = remain_on_chan_flag;
874 wid.val[1] = (s8)hif_remain_ch->ch;
875
876 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
877 kfree(wid.val);
878 if (result)
879 return -EBUSY;
880
881 hif_drv->remain_on_ch.arg = hif_remain_ch->arg;
882 hif_drv->remain_on_ch.expired = hif_remain_ch->expired;
883 hif_drv->remain_on_ch.ch = hif_remain_ch->ch;
884 hif_drv->remain_on_ch.cookie = hif_remain_ch->cookie;
885 hif_drv->remain_on_ch_timer_vif = vif;
886
887 return 0;
888 }
889
wilc_handle_roc_expired(struct wilc_vif * vif,u64 cookie)890 static int wilc_handle_roc_expired(struct wilc_vif *vif, u64 cookie)
891 {
892 u8 remain_on_chan_flag;
893 struct wid wid;
894 int result;
895 struct host_if_drv *hif_drv = vif->hif_drv;
896
897 if (vif->priv.p2p_listen_state) {
898 remain_on_chan_flag = false;
899 wid.id = WID_REMAIN_ON_CHAN;
900 wid.type = WID_STR;
901 wid.size = 2;
902
903 wid.val = kmalloc(wid.size, GFP_KERNEL);
904 if (!wid.val)
905 return -ENOMEM;
906
907 wid.val[0] = remain_on_chan_flag;
908 wid.val[1] = WILC_FALSE_FRMWR_CHANNEL;
909
910 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
911 kfree(wid.val);
912 if (result != 0) {
913 netdev_err(vif->ndev, "Failed to set remain channel\n");
914 return -EINVAL;
915 }
916
917 if (hif_drv->remain_on_ch.expired) {
918 hif_drv->remain_on_ch.expired(hif_drv->remain_on_ch.arg,
919 cookie);
920 }
921 } else {
922 netdev_dbg(vif->ndev, "Not in listen state\n");
923 }
924
925 return 0;
926 }
927
wilc_handle_listen_state_expired(struct work_struct * work)928 static void wilc_handle_listen_state_expired(struct work_struct *work)
929 {
930 struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
931
932 wilc_handle_roc_expired(msg->vif, msg->body.remain_on_ch.cookie);
933 kfree(msg);
934 }
935
listen_timer_cb(struct timer_list * t)936 static void listen_timer_cb(struct timer_list *t)
937 {
938 struct host_if_drv *hif_drv = from_timer(hif_drv, t,
939 remain_on_ch_timer);
940 struct wilc_vif *vif = hif_drv->remain_on_ch_timer_vif;
941 int result;
942 struct host_if_msg *msg;
943
944 del_timer(&vif->hif_drv->remain_on_ch_timer);
945
946 msg = wilc_alloc_work(vif, wilc_handle_listen_state_expired, false);
947 if (IS_ERR(msg))
948 return;
949
950 msg->body.remain_on_ch.cookie = vif->hif_drv->remain_on_ch.cookie;
951
952 result = wilc_enqueue_work(msg);
953 if (result) {
954 netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
955 kfree(msg);
956 }
957 }
958
handle_set_mcast_filter(struct work_struct * work)959 static void handle_set_mcast_filter(struct work_struct *work)
960 {
961 struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
962 struct wilc_vif *vif = msg->vif;
963 struct wilc_set_multicast *set_mc = &msg->body.mc_info;
964 int result;
965 struct wid wid;
966 u8 *cur_byte;
967
968 wid.id = WID_SETUP_MULTICAST_FILTER;
969 wid.type = WID_BIN;
970 wid.size = sizeof(struct wilc_set_multicast) + (set_mc->cnt * ETH_ALEN);
971 wid.val = kmalloc(wid.size, GFP_KERNEL);
972 if (!wid.val)
973 goto error;
974
975 cur_byte = wid.val;
976 put_unaligned_le32(set_mc->enabled, cur_byte);
977 cur_byte += 4;
978
979 put_unaligned_le32(set_mc->cnt, cur_byte);
980 cur_byte += 4;
981
982 if (set_mc->cnt > 0 && set_mc->mc_list)
983 memcpy(cur_byte, set_mc->mc_list, set_mc->cnt * ETH_ALEN);
984
985 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
986 if (result)
987 netdev_err(vif->ndev, "Failed to send setup multicast\n");
988
989 error:
990 kfree(set_mc->mc_list);
991 kfree(wid.val);
992 kfree(msg);
993 }
994
wilc_set_wowlan_trigger(struct wilc_vif * vif,bool enabled)995 void wilc_set_wowlan_trigger(struct wilc_vif *vif, bool enabled)
996 {
997 int ret;
998 struct wid wid;
999 u8 wowlan_trigger = 0;
1000
1001 if (enabled)
1002 wowlan_trigger = 1;
1003
1004 wid.id = WID_WOWLAN_TRIGGER;
1005 wid.type = WID_CHAR;
1006 wid.val = &wowlan_trigger;
1007 wid.size = sizeof(char);
1008
1009 ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1010 if (ret)
1011 pr_err("Failed to send wowlan trigger config packet\n");
1012 }
1013
wilc_set_external_auth_param(struct wilc_vif * vif,struct cfg80211_external_auth_params * auth)1014 int wilc_set_external_auth_param(struct wilc_vif *vif,
1015 struct cfg80211_external_auth_params *auth)
1016 {
1017 int ret;
1018 struct wid wid;
1019 struct wilc_external_auth_param *param;
1020
1021 wid.id = WID_EXTERNAL_AUTH_PARAM;
1022 wid.type = WID_BIN_DATA;
1023 wid.size = sizeof(*param);
1024 param = kzalloc(sizeof(*param), GFP_KERNEL);
1025 if (!param)
1026 return -EINVAL;
1027
1028 wid.val = (u8 *)param;
1029 param->action = auth->action;
1030 ether_addr_copy(param->bssid, auth->bssid);
1031 memcpy(param->ssid, auth->ssid.ssid, auth->ssid.ssid_len);
1032 param->ssid_len = auth->ssid.ssid_len;
1033 ret = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1034
1035 kfree(param);
1036 return ret;
1037 }
1038
handle_scan_timer(struct work_struct * work)1039 static void handle_scan_timer(struct work_struct *work)
1040 {
1041 struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
1042
1043 handle_scan_done(msg->vif, SCAN_EVENT_ABORTED);
1044 kfree(msg);
1045 }
1046
handle_scan_complete(struct work_struct * work)1047 static void handle_scan_complete(struct work_struct *work)
1048 {
1049 struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
1050
1051 del_timer(&msg->vif->hif_drv->scan_timer);
1052
1053 handle_scan_done(msg->vif, SCAN_EVENT_DONE);
1054
1055 kfree(msg);
1056 }
1057
timer_scan_cb(struct timer_list * t)1058 static void timer_scan_cb(struct timer_list *t)
1059 {
1060 struct host_if_drv *hif_drv = from_timer(hif_drv, t, scan_timer);
1061 struct wilc_vif *vif = hif_drv->scan_timer_vif;
1062 struct host_if_msg *msg;
1063 int result;
1064
1065 msg = wilc_alloc_work(vif, handle_scan_timer, false);
1066 if (IS_ERR(msg))
1067 return;
1068
1069 result = wilc_enqueue_work(msg);
1070 if (result)
1071 kfree(msg);
1072 }
1073
timer_connect_cb(struct timer_list * t)1074 static void timer_connect_cb(struct timer_list *t)
1075 {
1076 struct host_if_drv *hif_drv = from_timer(hif_drv, t,
1077 connect_timer);
1078 struct wilc_vif *vif = hif_drv->connect_timer_vif;
1079 struct host_if_msg *msg;
1080 int result;
1081
1082 msg = wilc_alloc_work(vif, handle_connect_timeout, false);
1083 if (IS_ERR(msg))
1084 return;
1085
1086 result = wilc_enqueue_work(msg);
1087 if (result)
1088 kfree(msg);
1089 }
1090
wilc_add_ptk(struct wilc_vif * vif,const u8 * ptk,u8 ptk_key_len,const u8 * mac_addr,const u8 * rx_mic,const u8 * tx_mic,u8 mode,u8 cipher_mode,u8 index)1091 int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
1092 const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
1093 u8 mode, u8 cipher_mode, u8 index)
1094 {
1095 int result = 0;
1096 u8 t_key_len = ptk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1097
1098 if (mode == WILC_AP_MODE) {
1099 struct wid wid_list[2];
1100 struct wilc_ap_wpa_ptk *key_buf;
1101
1102 wid_list[0].id = WID_11I_MODE;
1103 wid_list[0].type = WID_CHAR;
1104 wid_list[0].size = sizeof(char);
1105 wid_list[0].val = (s8 *)&cipher_mode;
1106
1107 key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1108 if (!key_buf)
1109 return -ENOMEM;
1110
1111 ether_addr_copy(key_buf->mac_addr, mac_addr);
1112 key_buf->index = index;
1113 key_buf->key_len = t_key_len;
1114 memcpy(&key_buf->key[0], ptk, ptk_key_len);
1115
1116 if (rx_mic)
1117 memcpy(&key_buf->key[ptk_key_len], rx_mic,
1118 WILC_RX_MIC_KEY_LEN);
1119
1120 if (tx_mic)
1121 memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1122 tx_mic, WILC_TX_MIC_KEY_LEN);
1123
1124 wid_list[1].id = WID_ADD_PTK;
1125 wid_list[1].type = WID_STR;
1126 wid_list[1].size = sizeof(*key_buf) + t_key_len;
1127 wid_list[1].val = (u8 *)key_buf;
1128 result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1129 ARRAY_SIZE(wid_list));
1130 kfree(key_buf);
1131 } else if (mode == WILC_STATION_MODE) {
1132 struct wid wid;
1133 struct wilc_sta_wpa_ptk *key_buf;
1134
1135 key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1136 if (!key_buf)
1137 return -ENOMEM;
1138
1139 ether_addr_copy(key_buf->mac_addr, mac_addr);
1140 key_buf->key_len = t_key_len;
1141 memcpy(&key_buf->key[0], ptk, ptk_key_len);
1142
1143 if (rx_mic)
1144 memcpy(&key_buf->key[ptk_key_len], rx_mic,
1145 WILC_RX_MIC_KEY_LEN);
1146
1147 if (tx_mic)
1148 memcpy(&key_buf->key[ptk_key_len + WILC_RX_MIC_KEY_LEN],
1149 tx_mic, WILC_TX_MIC_KEY_LEN);
1150
1151 wid.id = WID_ADD_PTK;
1152 wid.type = WID_STR;
1153 wid.size = sizeof(*key_buf) + t_key_len;
1154 wid.val = (s8 *)key_buf;
1155 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1156 kfree(key_buf);
1157 }
1158
1159 return result;
1160 }
1161
wilc_add_igtk(struct wilc_vif * vif,const u8 * igtk,u8 igtk_key_len,const u8 * pn,u8 pn_len,const u8 * mac_addr,u8 mode,u8 index)1162 int wilc_add_igtk(struct wilc_vif *vif, const u8 *igtk, u8 igtk_key_len,
1163 const u8 *pn, u8 pn_len, const u8 *mac_addr, u8 mode, u8 index)
1164 {
1165 int result = 0;
1166 u8 t_key_len = igtk_key_len;
1167 struct wid wid;
1168 struct wilc_wpa_igtk *key_buf;
1169
1170 key_buf = kzalloc(sizeof(*key_buf) + t_key_len, GFP_KERNEL);
1171 if (!key_buf)
1172 return -ENOMEM;
1173
1174 key_buf->index = index;
1175
1176 memcpy(&key_buf->pn[0], pn, pn_len);
1177 key_buf->pn_len = pn_len;
1178
1179 memcpy(&key_buf->key[0], igtk, igtk_key_len);
1180 key_buf->key_len = t_key_len;
1181
1182 wid.id = WID_ADD_IGTK;
1183 wid.type = WID_STR;
1184 wid.size = sizeof(*key_buf) + t_key_len;
1185 wid.val = (s8 *)key_buf;
1186 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1187 kfree(key_buf);
1188
1189 return result;
1190 }
1191
wilc_add_rx_gtk(struct wilc_vif * vif,const u8 * rx_gtk,u8 gtk_key_len,u8 index,u32 key_rsc_len,const u8 * key_rsc,const u8 * rx_mic,const u8 * tx_mic,u8 mode,u8 cipher_mode)1192 int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
1193 u8 index, u32 key_rsc_len, const u8 *key_rsc,
1194 const u8 *rx_mic, const u8 *tx_mic, u8 mode,
1195 u8 cipher_mode)
1196 {
1197 int result = 0;
1198 struct wilc_gtk_key *gtk_key;
1199 int t_key_len = gtk_key_len + WILC_RX_MIC_KEY_LEN + WILC_TX_MIC_KEY_LEN;
1200
1201 gtk_key = kzalloc(sizeof(*gtk_key) + t_key_len, GFP_KERNEL);
1202 if (!gtk_key)
1203 return -ENOMEM;
1204
1205 /* fill bssid value only in station mode */
1206 if (mode == WILC_STATION_MODE &&
1207 vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1208 memcpy(gtk_key->mac_addr, vif->hif_drv->assoc_bssid, ETH_ALEN);
1209
1210 if (key_rsc)
1211 memcpy(gtk_key->rsc, key_rsc, 8);
1212 gtk_key->index = index;
1213 gtk_key->key_len = t_key_len;
1214 memcpy(>k_key->key[0], rx_gtk, gtk_key_len);
1215
1216 if (rx_mic)
1217 memcpy(>k_key->key[gtk_key_len], rx_mic, WILC_RX_MIC_KEY_LEN);
1218
1219 if (tx_mic)
1220 memcpy(>k_key->key[gtk_key_len + WILC_RX_MIC_KEY_LEN],
1221 tx_mic, WILC_TX_MIC_KEY_LEN);
1222
1223 if (mode == WILC_AP_MODE) {
1224 struct wid wid_list[2];
1225
1226 wid_list[0].id = WID_11I_MODE;
1227 wid_list[0].type = WID_CHAR;
1228 wid_list[0].size = sizeof(char);
1229 wid_list[0].val = (s8 *)&cipher_mode;
1230
1231 wid_list[1].id = WID_ADD_RX_GTK;
1232 wid_list[1].type = WID_STR;
1233 wid_list[1].size = sizeof(*gtk_key) + t_key_len;
1234 wid_list[1].val = (u8 *)gtk_key;
1235
1236 result = wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list,
1237 ARRAY_SIZE(wid_list));
1238 } else if (mode == WILC_STATION_MODE) {
1239 struct wid wid;
1240
1241 wid.id = WID_ADD_RX_GTK;
1242 wid.type = WID_STR;
1243 wid.size = sizeof(*gtk_key) + t_key_len;
1244 wid.val = (u8 *)gtk_key;
1245 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1246 }
1247
1248 kfree(gtk_key);
1249 return result;
1250 }
1251
wilc_set_pmkid_info(struct wilc_vif * vif,struct wilc_pmkid_attr * pmkid)1252 int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid)
1253 {
1254 struct wid wid;
1255
1256 wid.id = WID_PMKID_INFO;
1257 wid.type = WID_STR;
1258 wid.size = (pmkid->numpmkid * sizeof(struct wilc_pmkid)) + 1;
1259 wid.val = (u8 *)pmkid;
1260
1261 return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1262 }
1263
wilc_get_mac_address(struct wilc_vif * vif,u8 * mac_addr)1264 int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr)
1265 {
1266 int result;
1267 struct wid wid;
1268
1269 wid.id = WID_MAC_ADDR;
1270 wid.type = WID_STR;
1271 wid.size = ETH_ALEN;
1272 wid.val = mac_addr;
1273
1274 result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1275 if (result)
1276 netdev_err(vif->ndev, "Failed to get mac address\n");
1277
1278 return result;
1279 }
1280
wilc_set_mac_address(struct wilc_vif * vif,u8 * mac_addr)1281 int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr)
1282 {
1283 struct wid wid;
1284 int result;
1285
1286 wid.id = WID_MAC_ADDR;
1287 wid.type = WID_STR;
1288 wid.size = ETH_ALEN;
1289 wid.val = mac_addr;
1290
1291 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1292 if (result)
1293 netdev_err(vif->ndev, "Failed to set mac address\n");
1294
1295 return result;
1296 }
1297
wilc_set_join_req(struct wilc_vif * vif,u8 * bssid,const u8 * ies,size_t ies_len)1298 int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
1299 size_t ies_len)
1300 {
1301 int result;
1302 struct host_if_drv *hif_drv = vif->hif_drv;
1303 struct wilc_conn_info *conn_info = &hif_drv->conn_info;
1304
1305 if (bssid)
1306 ether_addr_copy(conn_info->bssid, bssid);
1307
1308 if (ies) {
1309 conn_info->req_ies_len = ies_len;
1310 conn_info->req_ies = kmemdup(ies, ies_len, GFP_KERNEL);
1311 if (!conn_info->req_ies)
1312 return -ENOMEM;
1313 }
1314
1315 result = wilc_send_connect_wid(vif);
1316 if (result)
1317 goto free_ies;
1318
1319 hif_drv->connect_timer_vif = vif;
1320 mod_timer(&hif_drv->connect_timer,
1321 jiffies + msecs_to_jiffies(WILC_HIF_CONNECT_TIMEOUT_MS));
1322
1323 return 0;
1324
1325 free_ies:
1326 kfree(conn_info->req_ies);
1327
1328 return result;
1329 }
1330
wilc_set_mac_chnl_num(struct wilc_vif * vif,u8 channel)1331 int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel)
1332 {
1333 struct wid wid;
1334 int result;
1335
1336 wid.id = WID_CURRENT_CHANNEL;
1337 wid.type = WID_CHAR;
1338 wid.size = sizeof(char);
1339 wid.val = &channel;
1340
1341 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1342 if (result)
1343 netdev_err(vif->ndev, "Failed to set channel\n");
1344
1345 return result;
1346 }
1347
wilc_set_operation_mode(struct wilc_vif * vif,int index,u8 mode,u8 ifc_id)1348 int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
1349 u8 ifc_id)
1350 {
1351 struct wid wid;
1352 int result;
1353 struct wilc_drv_handler drv;
1354
1355 wid.id = WID_SET_OPERATION_MODE;
1356 wid.type = WID_STR;
1357 wid.size = sizeof(drv);
1358 wid.val = (u8 *)&drv;
1359
1360 drv.handler = cpu_to_le32(index);
1361 drv.mode = (ifc_id | (mode << 1));
1362
1363 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1364 if (result)
1365 netdev_err(vif->ndev, "Failed to set driver handler\n");
1366
1367 return result;
1368 }
1369
wilc_get_inactive_time(struct wilc_vif * vif,const u8 * mac,u32 * out_val)1370 s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, u32 *out_val)
1371 {
1372 struct wid wid;
1373 s32 result;
1374
1375 wid.id = WID_SET_STA_MAC_INACTIVE_TIME;
1376 wid.type = WID_STR;
1377 wid.size = ETH_ALEN;
1378 wid.val = kzalloc(wid.size, GFP_KERNEL);
1379 if (!wid.val)
1380 return -ENOMEM;
1381
1382 ether_addr_copy(wid.val, mac);
1383 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1384 kfree(wid.val);
1385 if (result) {
1386 netdev_err(vif->ndev, "Failed to set inactive mac\n");
1387 return result;
1388 }
1389
1390 wid.id = WID_GET_INACTIVE_TIME;
1391 wid.type = WID_INT;
1392 wid.val = (s8 *)out_val;
1393 wid.size = sizeof(u32);
1394 result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1395 if (result)
1396 netdev_err(vif->ndev, "Failed to get inactive time\n");
1397
1398 return result;
1399 }
1400
wilc_get_rssi(struct wilc_vif * vif,s8 * rssi_level)1401 int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level)
1402 {
1403 struct wid wid;
1404 int result;
1405
1406 if (!rssi_level) {
1407 netdev_err(vif->ndev, "%s: RSSI level is NULL\n", __func__);
1408 return -EFAULT;
1409 }
1410
1411 wid.id = WID_RSSI;
1412 wid.type = WID_CHAR;
1413 wid.size = sizeof(char);
1414 wid.val = rssi_level;
1415 result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1416 if (result)
1417 netdev_err(vif->ndev, "Failed to get RSSI value\n");
1418
1419 return result;
1420 }
1421
wilc_get_stats_async(struct wilc_vif * vif,struct rf_info * stats)1422 static int wilc_get_stats_async(struct wilc_vif *vif, struct rf_info *stats)
1423 {
1424 int result;
1425 struct host_if_msg *msg;
1426
1427 msg = wilc_alloc_work(vif, handle_get_statistics, false);
1428 if (IS_ERR(msg))
1429 return PTR_ERR(msg);
1430
1431 msg->body.data = (char *)stats;
1432
1433 result = wilc_enqueue_work(msg);
1434 if (result) {
1435 netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1436 kfree(msg);
1437 return result;
1438 }
1439
1440 return result;
1441 }
1442
wilc_hif_set_cfg(struct wilc_vif * vif,struct cfg_param_attr * param)1443 int wilc_hif_set_cfg(struct wilc_vif *vif, struct cfg_param_attr *param)
1444 {
1445 struct wid wid_list[4];
1446 int i = 0;
1447
1448 if (param->flag & WILC_CFG_PARAM_RETRY_SHORT) {
1449 wid_list[i].id = WID_SHORT_RETRY_LIMIT;
1450 wid_list[i].val = (s8 *)¶m->short_retry_limit;
1451 wid_list[i].type = WID_SHORT;
1452 wid_list[i].size = sizeof(u16);
1453 i++;
1454 }
1455 if (param->flag & WILC_CFG_PARAM_RETRY_LONG) {
1456 wid_list[i].id = WID_LONG_RETRY_LIMIT;
1457 wid_list[i].val = (s8 *)¶m->long_retry_limit;
1458 wid_list[i].type = WID_SHORT;
1459 wid_list[i].size = sizeof(u16);
1460 i++;
1461 }
1462 if (param->flag & WILC_CFG_PARAM_FRAG_THRESHOLD) {
1463 wid_list[i].id = WID_FRAG_THRESHOLD;
1464 wid_list[i].val = (s8 *)¶m->frag_threshold;
1465 wid_list[i].type = WID_SHORT;
1466 wid_list[i].size = sizeof(u16);
1467 i++;
1468 }
1469 if (param->flag & WILC_CFG_PARAM_RTS_THRESHOLD) {
1470 wid_list[i].id = WID_RTS_THRESHOLD;
1471 wid_list[i].val = (s8 *)¶m->rts_threshold;
1472 wid_list[i].type = WID_SHORT;
1473 wid_list[i].size = sizeof(u16);
1474 i++;
1475 }
1476
1477 return wilc_send_config_pkt(vif, WILC_SET_CFG, wid_list, i);
1478 }
1479
get_periodic_rssi(struct timer_list * t)1480 static void get_periodic_rssi(struct timer_list *t)
1481 {
1482 struct wilc_vif *vif = from_timer(vif, t, periodic_rssi);
1483
1484 if (!vif->hif_drv) {
1485 netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1486 return;
1487 }
1488
1489 if (vif->hif_drv->hif_state == HOST_IF_CONNECTED)
1490 wilc_get_stats_async(vif, &vif->periodic_stat);
1491
1492 mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1493 }
1494
wilc_init(struct net_device * dev,struct host_if_drv ** hif_drv_handler)1495 int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
1496 {
1497 struct host_if_drv *hif_drv;
1498 struct wilc_vif *vif = netdev_priv(dev);
1499
1500 hif_drv = kzalloc(sizeof(*hif_drv), GFP_KERNEL);
1501 if (!hif_drv)
1502 return -ENOMEM;
1503
1504 *hif_drv_handler = hif_drv;
1505
1506 vif->hif_drv = hif_drv;
1507
1508 timer_setup(&vif->periodic_rssi, get_periodic_rssi, 0);
1509 mod_timer(&vif->periodic_rssi, jiffies + msecs_to_jiffies(5000));
1510
1511 timer_setup(&hif_drv->scan_timer, timer_scan_cb, 0);
1512 timer_setup(&hif_drv->connect_timer, timer_connect_cb, 0);
1513 timer_setup(&hif_drv->remain_on_ch_timer, listen_timer_cb, 0);
1514
1515 hif_drv->hif_state = HOST_IF_IDLE;
1516
1517 hif_drv->p2p_timeout = 0;
1518
1519 return 0;
1520 }
1521
wilc_deinit(struct wilc_vif * vif)1522 int wilc_deinit(struct wilc_vif *vif)
1523 {
1524 int result = 0;
1525 struct host_if_drv *hif_drv = vif->hif_drv;
1526
1527 if (!hif_drv) {
1528 netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1529 return -EFAULT;
1530 }
1531
1532 mutex_lock(&vif->wilc->deinit_lock);
1533
1534 del_timer_sync(&hif_drv->scan_timer);
1535 del_timer_sync(&hif_drv->connect_timer);
1536 del_timer_sync(&vif->periodic_rssi);
1537 del_timer_sync(&hif_drv->remain_on_ch_timer);
1538
1539 if (hif_drv->usr_scan_req.scan_result) {
1540 hif_drv->usr_scan_req.scan_result(SCAN_EVENT_ABORTED, NULL,
1541 hif_drv->usr_scan_req.arg);
1542 hif_drv->usr_scan_req.scan_result = NULL;
1543 }
1544
1545 hif_drv->hif_state = HOST_IF_IDLE;
1546
1547 kfree(hif_drv);
1548 vif->hif_drv = NULL;
1549 mutex_unlock(&vif->wilc->deinit_lock);
1550 return result;
1551 }
1552
wilc_network_info_received(struct wilc * wilc,u8 * buffer,u32 length)1553 void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1554 {
1555 int result;
1556 struct host_if_msg *msg;
1557 int id;
1558 struct host_if_drv *hif_drv;
1559 struct wilc_vif *vif;
1560
1561 id = get_unaligned_le32(&buffer[length - 4]);
1562 vif = wilc_get_vif_from_idx(wilc, id);
1563 if (!vif)
1564 return;
1565 hif_drv = vif->hif_drv;
1566
1567 if (!hif_drv) {
1568 netdev_err(vif->ndev, "driver not init[%p]\n", hif_drv);
1569 return;
1570 }
1571
1572 msg = wilc_alloc_work(vif, handle_rcvd_ntwrk_info, false);
1573 if (IS_ERR(msg))
1574 return;
1575
1576 msg->body.net_info.frame_len = get_unaligned_le16(&buffer[6]) - 1;
1577 msg->body.net_info.rssi = buffer[8];
1578 msg->body.net_info.mgmt = kmemdup(&buffer[9],
1579 msg->body.net_info.frame_len,
1580 GFP_KERNEL);
1581 if (!msg->body.net_info.mgmt) {
1582 kfree(msg);
1583 return;
1584 }
1585
1586 result = wilc_enqueue_work(msg);
1587 if (result) {
1588 netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1589 kfree(msg->body.net_info.mgmt);
1590 kfree(msg);
1591 }
1592 }
1593
wilc_gnrl_async_info_received(struct wilc * wilc,u8 * buffer,u32 length)1594 void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length)
1595 {
1596 int result;
1597 struct host_if_msg *msg;
1598 int id;
1599 struct host_if_drv *hif_drv;
1600 struct wilc_vif *vif;
1601
1602 mutex_lock(&wilc->deinit_lock);
1603
1604 id = get_unaligned_le32(&buffer[length - 4]);
1605 vif = wilc_get_vif_from_idx(wilc, id);
1606 if (!vif) {
1607 mutex_unlock(&wilc->deinit_lock);
1608 return;
1609 }
1610
1611 hif_drv = vif->hif_drv;
1612
1613 if (!hif_drv) {
1614 mutex_unlock(&wilc->deinit_lock);
1615 return;
1616 }
1617
1618 if (!hif_drv->conn_info.conn_result) {
1619 netdev_err(vif->ndev, "%s: conn_result is NULL\n", __func__);
1620 mutex_unlock(&wilc->deinit_lock);
1621 return;
1622 }
1623
1624 msg = wilc_alloc_work(vif, handle_rcvd_gnrl_async_info, false);
1625 if (IS_ERR(msg)) {
1626 mutex_unlock(&wilc->deinit_lock);
1627 return;
1628 }
1629
1630 msg->body.mac_info.status = buffer[7];
1631 result = wilc_enqueue_work(msg);
1632 if (result) {
1633 netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1634 kfree(msg);
1635 }
1636
1637 mutex_unlock(&wilc->deinit_lock);
1638 }
1639
wilc_scan_complete_received(struct wilc * wilc,u8 * buffer,u32 length)1640 void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length)
1641 {
1642 int result;
1643 int id;
1644 struct host_if_drv *hif_drv;
1645 struct wilc_vif *vif;
1646
1647 id = get_unaligned_le32(&buffer[length - 4]);
1648 vif = wilc_get_vif_from_idx(wilc, id);
1649 if (!vif)
1650 return;
1651 hif_drv = vif->hif_drv;
1652
1653 if (!hif_drv)
1654 return;
1655
1656 if (hif_drv->usr_scan_req.scan_result) {
1657 struct host_if_msg *msg;
1658
1659 msg = wilc_alloc_work(vif, handle_scan_complete, false);
1660 if (IS_ERR(msg))
1661 return;
1662
1663 result = wilc_enqueue_work(msg);
1664 if (result) {
1665 netdev_err(vif->ndev, "%s: enqueue work failed\n",
1666 __func__);
1667 kfree(msg);
1668 }
1669 }
1670 }
1671
wilc_remain_on_channel(struct wilc_vif * vif,u64 cookie,u32 duration,u16 chan,void (* expired)(void *,u64),void * user_arg)1672 int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie,
1673 u32 duration, u16 chan,
1674 void (*expired)(void *, u64),
1675 void *user_arg)
1676 {
1677 struct wilc_remain_ch roc;
1678 int result;
1679
1680 roc.ch = chan;
1681 roc.expired = expired;
1682 roc.arg = user_arg;
1683 roc.duration = duration;
1684 roc.cookie = cookie;
1685 result = handle_remain_on_chan(vif, &roc);
1686 if (result)
1687 netdev_err(vif->ndev, "%s: failed to set remain on channel\n",
1688 __func__);
1689
1690 return result;
1691 }
1692
wilc_listen_state_expired(struct wilc_vif * vif,u64 cookie)1693 int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie)
1694 {
1695 if (!vif->hif_drv) {
1696 netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
1697 return -EFAULT;
1698 }
1699
1700 del_timer(&vif->hif_drv->remain_on_ch_timer);
1701
1702 return wilc_handle_roc_expired(vif, cookie);
1703 }
1704
wilc_frame_register(struct wilc_vif * vif,u16 frame_type,bool reg)1705 void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg)
1706 {
1707 struct wid wid;
1708 int result;
1709 struct wilc_reg_frame reg_frame;
1710
1711 wid.id = WID_REGISTER_FRAME;
1712 wid.type = WID_STR;
1713 wid.size = sizeof(reg_frame);
1714 wid.val = (u8 *)®_frame;
1715
1716 memset(®_frame, 0x0, sizeof(reg_frame));
1717
1718 if (reg)
1719 reg_frame.reg = 1;
1720
1721 switch (frame_type) {
1722 case IEEE80211_STYPE_ACTION:
1723 reg_frame.reg_id = WILC_FW_ACTION_FRM_IDX;
1724 break;
1725
1726 case IEEE80211_STYPE_PROBE_REQ:
1727 reg_frame.reg_id = WILC_FW_PROBE_REQ_IDX;
1728 break;
1729
1730 case IEEE80211_STYPE_AUTH:
1731 reg_frame.reg_id = WILC_FW_AUTH_REQ_IDX;
1732 break;
1733
1734 default:
1735 break;
1736 }
1737 reg_frame.frame_type = cpu_to_le16(frame_type);
1738 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1739 if (result)
1740 netdev_err(vif->ndev, "Failed to frame register\n");
1741 }
1742
wilc_add_beacon(struct wilc_vif * vif,u32 interval,u32 dtim_period,struct cfg80211_beacon_data * params)1743 int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
1744 struct cfg80211_beacon_data *params)
1745 {
1746 struct wid wid;
1747 int result;
1748 u8 *cur_byte;
1749
1750 wid.id = WID_ADD_BEACON;
1751 wid.type = WID_BIN;
1752 wid.size = params->head_len + params->tail_len + 16;
1753 wid.val = kzalloc(wid.size, GFP_KERNEL);
1754 if (!wid.val)
1755 return -ENOMEM;
1756
1757 cur_byte = wid.val;
1758 put_unaligned_le32(interval, cur_byte);
1759 cur_byte += 4;
1760 put_unaligned_le32(dtim_period, cur_byte);
1761 cur_byte += 4;
1762 put_unaligned_le32(params->head_len, cur_byte);
1763 cur_byte += 4;
1764
1765 if (params->head_len > 0)
1766 memcpy(cur_byte, params->head, params->head_len);
1767 cur_byte += params->head_len;
1768
1769 put_unaligned_le32(params->tail_len, cur_byte);
1770 cur_byte += 4;
1771
1772 if (params->tail_len > 0)
1773 memcpy(cur_byte, params->tail, params->tail_len);
1774
1775 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1776 if (result)
1777 netdev_err(vif->ndev, "Failed to send add beacon\n");
1778
1779 kfree(wid.val);
1780
1781 return result;
1782 }
1783
wilc_del_beacon(struct wilc_vif * vif)1784 int wilc_del_beacon(struct wilc_vif *vif)
1785 {
1786 int result;
1787 struct wid wid;
1788 u8 del_beacon = 0;
1789
1790 wid.id = WID_DEL_BEACON;
1791 wid.type = WID_CHAR;
1792 wid.size = sizeof(char);
1793 wid.val = &del_beacon;
1794
1795 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1796 if (result)
1797 netdev_err(vif->ndev, "Failed to send delete beacon\n");
1798
1799 return result;
1800 }
1801
wilc_add_station(struct wilc_vif * vif,const u8 * mac,struct station_parameters * params)1802 int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
1803 struct station_parameters *params)
1804 {
1805 struct wid wid;
1806 int result;
1807 u8 *cur_byte;
1808
1809 wid.id = WID_ADD_STA;
1810 wid.type = WID_BIN;
1811 wid.size = WILC_ADD_STA_LENGTH +
1812 params->link_sta_params.supported_rates_len;
1813 wid.val = kmalloc(wid.size, GFP_KERNEL);
1814 if (!wid.val)
1815 return -ENOMEM;
1816
1817 cur_byte = wid.val;
1818 wilc_hif_pack_sta_param(cur_byte, mac, params);
1819
1820 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1821 if (result != 0)
1822 netdev_err(vif->ndev, "Failed to send add station\n");
1823
1824 kfree(wid.val);
1825
1826 return result;
1827 }
1828
wilc_del_station(struct wilc_vif * vif,const u8 * mac_addr)1829 int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr)
1830 {
1831 struct wid wid;
1832 int result;
1833
1834 wid.id = WID_REMOVE_STA;
1835 wid.type = WID_BIN;
1836 wid.size = ETH_ALEN;
1837 wid.val = kzalloc(wid.size, GFP_KERNEL);
1838 if (!wid.val)
1839 return -ENOMEM;
1840
1841 if (!mac_addr)
1842 eth_broadcast_addr(wid.val);
1843 else
1844 ether_addr_copy(wid.val, mac_addr);
1845
1846 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1847 if (result)
1848 netdev_err(vif->ndev, "Failed to del station\n");
1849
1850 kfree(wid.val);
1851
1852 return result;
1853 }
1854
wilc_del_allstation(struct wilc_vif * vif,u8 mac_addr[][ETH_ALEN])1855 int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN])
1856 {
1857 struct wid wid;
1858 int result;
1859 int i;
1860 u8 assoc_sta = 0;
1861 struct wilc_del_all_sta del_sta;
1862
1863 memset(&del_sta, 0x0, sizeof(del_sta));
1864 for (i = 0; i < WILC_MAX_NUM_STA; i++) {
1865 if (!is_zero_ether_addr(mac_addr[i])) {
1866 assoc_sta++;
1867 ether_addr_copy(del_sta.mac[i], mac_addr[i]);
1868 }
1869 }
1870
1871 if (!assoc_sta)
1872 return 0;
1873
1874 del_sta.assoc_sta = assoc_sta;
1875
1876 wid.id = WID_DEL_ALL_STA;
1877 wid.type = WID_STR;
1878 wid.size = (assoc_sta * ETH_ALEN) + 1;
1879 wid.val = (u8 *)&del_sta;
1880
1881 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1882 if (result)
1883 netdev_err(vif->ndev, "Failed to send delete all station\n");
1884
1885 return result;
1886 }
1887
wilc_edit_station(struct wilc_vif * vif,const u8 * mac,struct station_parameters * params)1888 int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
1889 struct station_parameters *params)
1890 {
1891 struct wid wid;
1892 int result;
1893 u8 *cur_byte;
1894
1895 wid.id = WID_EDIT_STA;
1896 wid.type = WID_BIN;
1897 wid.size = WILC_ADD_STA_LENGTH +
1898 params->link_sta_params.supported_rates_len;
1899 wid.val = kmalloc(wid.size, GFP_KERNEL);
1900 if (!wid.val)
1901 return -ENOMEM;
1902
1903 cur_byte = wid.val;
1904 wilc_hif_pack_sta_param(cur_byte, mac, params);
1905
1906 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1907 if (result)
1908 netdev_err(vif->ndev, "Failed to send edit station\n");
1909
1910 kfree(wid.val);
1911 return result;
1912 }
1913
wilc_set_power_mgmt(struct wilc_vif * vif,bool enabled,u32 timeout)1914 int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout)
1915 {
1916 struct wilc *wilc = vif->wilc;
1917 struct wid wid;
1918 int result;
1919 s8 power_mode;
1920
1921 if (enabled)
1922 power_mode = WILC_FW_MIN_FAST_PS;
1923 else
1924 power_mode = WILC_FW_NO_POWERSAVE;
1925
1926 wid.id = WID_POWER_MANAGEMENT;
1927 wid.val = &power_mode;
1928 wid.size = sizeof(char);
1929 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1930 if (result)
1931 netdev_err(vif->ndev, "Failed to send power management\n");
1932 else
1933 wilc->power_save_mode = enabled;
1934
1935 return result;
1936 }
1937
wilc_setup_multicast_filter(struct wilc_vif * vif,u32 enabled,u32 count,u8 * mc_list)1938 int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
1939 u8 *mc_list)
1940 {
1941 int result;
1942 struct host_if_msg *msg;
1943
1944 msg = wilc_alloc_work(vif, handle_set_mcast_filter, false);
1945 if (IS_ERR(msg))
1946 return PTR_ERR(msg);
1947
1948 msg->body.mc_info.enabled = enabled;
1949 msg->body.mc_info.cnt = count;
1950 msg->body.mc_info.mc_list = mc_list;
1951
1952 result = wilc_enqueue_work(msg);
1953 if (result) {
1954 netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
1955 kfree(msg);
1956 }
1957 return result;
1958 }
1959
wilc_set_tx_power(struct wilc_vif * vif,u8 tx_power)1960 int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power)
1961 {
1962 struct wid wid;
1963
1964 wid.id = WID_TX_POWER;
1965 wid.type = WID_CHAR;
1966 wid.val = &tx_power;
1967 wid.size = sizeof(char);
1968
1969 return wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1970 }
1971
wilc_get_tx_power(struct wilc_vif * vif,u8 * tx_power)1972 int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power)
1973 {
1974 struct wid wid;
1975
1976 wid.id = WID_TX_POWER;
1977 wid.type = WID_CHAR;
1978 wid.val = tx_power;
1979 wid.size = sizeof(char);
1980
1981 return wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1);
1982 }
1983
wilc_set_default_mgmt_key_index(struct wilc_vif * vif,u8 index)1984 int wilc_set_default_mgmt_key_index(struct wilc_vif *vif, u8 index)
1985 {
1986 struct wid wid;
1987 int result;
1988
1989 wid.id = WID_DEFAULT_MGMT_KEY_ID;
1990 wid.type = WID_CHAR;
1991 wid.size = sizeof(char);
1992 wid.val = &index;
1993 result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1);
1994 if (result)
1995 netdev_err(vif->ndev,
1996 "Failed to send default mgmt key index\n");
1997
1998 return result;
1999 }
2000