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libertas: add __lbs_cmd_async() for asynchronous command submission
[deliverable/linux.git] / drivers / net / wireless / libertas / cmd.c
1 /**
2 * This file contains the handling of command.
3 * It prepares command and sends it to firmware when it is ready.
4 */
5
6 #include <net/iw_handler.h>
7 #include "host.h"
8 #include "hostcmd.h"
9 #include "decl.h"
10 #include "defs.h"
11 #include "dev.h"
12 #include "join.h"
13 #include "wext.h"
14 #include "cmd.h"
15
16 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
17 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
18 struct cmd_ctrl_node *ptempnode,
19 void *pdata_buf);
20
21
22 /**
23 * @brief Checks whether a command is allowed in Power Save mode
24 *
25 * @param command the command ID
26 * @return 1 if allowed, 0 if not allowed
27 */
28 static u8 is_command_allowed_in_ps(u16 cmd)
29 {
30 switch (cmd) {
31 case CMD_802_11_RSSI:
32 return 1;
33 default:
34 break;
35 }
36 return 0;
37 }
38
39 /**
40 * @brief Updates the hardware details like MAC address and regulatory region
41 *
42 * @param priv A pointer to struct lbs_private structure
43 *
44 * @return 0 on success, error on failure
45 */
46 int lbs_update_hw_spec(struct lbs_private *priv)
47 {
48 struct cmd_ds_get_hw_spec cmd;
49 int ret = -1;
50 u32 i;
51 DECLARE_MAC_BUF(mac);
52
53 lbs_deb_enter(LBS_DEB_CMD);
54
55 memset(&cmd, 0, sizeof(cmd));
56 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
57 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
58 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
59 if (ret)
60 goto out;
61
62 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
63 memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
64
65 lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
66 priv->fwreleasenumber[2], priv->fwreleasenumber[1],
67 priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
68 lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
69 print_mac(mac, cmd.permanentaddr));
70 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
71 cmd.hwifversion, cmd.version);
72
73 /* Clamp region code to 8-bit since FW spec indicates that it should
74 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
75 * returns non-zero high 8 bits here.
76 */
77 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
78
79 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
80 /* use the region code to search for the index */
81 if (priv->regioncode == lbs_region_code_to_index[i])
82 break;
83 }
84
85 /* if it's unidentified region code, use the default (USA) */
86 if (i >= MRVDRV_MAX_REGION_CODE) {
87 priv->regioncode = 0x10;
88 lbs_pr_info("unidentified region code; using the default (USA)\n");
89 }
90
91 if (priv->current_addr[0] == 0xff)
92 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
93
94 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
95 if (priv->mesh_dev)
96 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
97
98 if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
99 ret = -1;
100 goto out;
101 }
102
103 if (lbs_set_universaltable(priv, 0)) {
104 ret = -1;
105 goto out;
106 }
107
108 out:
109 lbs_deb_leave(LBS_DEB_CMD);
110 return ret;
111 }
112
113 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
114 {
115 struct cmd_ds_host_sleep cmd_config;
116 int ret;
117
118 cmd_config.criteria = cpu_to_le32(criteria);
119 cmd_config.gpio = priv->wol_gpio;
120 cmd_config.gap = priv->wol_gap;
121
122 ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
123 if (!ret) {
124 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
125 priv->wol_criteria = criteria;
126 } else {
127 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
128 }
129
130 return ret;
131 }
132 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
133
134 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
135 struct cmd_ds_command *cmd,
136 u16 cmd_action)
137 {
138 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
139
140 lbs_deb_enter(LBS_DEB_CMD);
141
142 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
143 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
144 S_DS_GEN);
145 psm->action = cpu_to_le16(cmd_action);
146 psm->multipledtim = 0;
147 switch (cmd_action) {
148 case CMD_SUBCMD_ENTER_PS:
149 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
150
151 psm->locallisteninterval = 0;
152 psm->nullpktinterval = 0;
153 psm->multipledtim =
154 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
155 break;
156
157 case CMD_SUBCMD_EXIT_PS:
158 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
159 break;
160
161 case CMD_SUBCMD_SLEEP_CONFIRMED:
162 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
163 break;
164
165 default:
166 break;
167 }
168
169 lbs_deb_leave(LBS_DEB_CMD);
170 return 0;
171 }
172
173 static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
174 struct cmd_ds_command *cmd,
175 u16 cmd_action, void *pdata_buf)
176 {
177 u16 *timeout = pdata_buf;
178
179 lbs_deb_enter(LBS_DEB_CMD);
180
181 cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
182 cmd->size =
183 cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
184 + S_DS_GEN);
185
186 cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
187
188 if (cmd_action)
189 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
190 else
191 cmd->params.inactivity_timeout.timeout = 0;
192
193 lbs_deb_leave(LBS_DEB_CMD);
194 return 0;
195 }
196
197 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
198 struct cmd_ds_command *cmd,
199 u16 cmd_action)
200 {
201 struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
202
203 lbs_deb_enter(LBS_DEB_CMD);
204
205 cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
206 S_DS_GEN);
207 cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
208
209 if (cmd_action == CMD_ACT_GET) {
210 memset(&priv->sp, 0, sizeof(struct sleep_params));
211 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
212 sp->action = cpu_to_le16(cmd_action);
213 } else if (cmd_action == CMD_ACT_SET) {
214 sp->action = cpu_to_le16(cmd_action);
215 sp->error = cpu_to_le16(priv->sp.sp_error);
216 sp->offset = cpu_to_le16(priv->sp.sp_offset);
217 sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
218 sp->calcontrol = (u8) priv->sp.sp_calcontrol;
219 sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
220 sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
221 }
222
223 lbs_deb_leave(LBS_DEB_CMD);
224 return 0;
225 }
226
227 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
228 struct cmd_ds_command *cmd,
229 u32 cmd_act,
230 void * pdata_buf)
231 {
232 struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
233 int ret = 0;
234 struct assoc_request * assoc_req = pdata_buf;
235
236 lbs_deb_enter(LBS_DEB_CMD);
237
238 cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
239 cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
240
241 if (cmd_act == CMD_ACT_ADD) {
242 int i;
243
244 if (!assoc_req) {
245 lbs_deb_cmd("Invalid association request!\n");
246 ret = -1;
247 goto done;
248 }
249
250 wep->action = cpu_to_le16(CMD_ACT_ADD);
251
252 /* default tx key index */
253 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
254 (u32)CMD_WEP_KEY_INDEX_MASK));
255
256 /* Copy key types and material to host command structure */
257 for (i = 0; i < 4; i++) {
258 struct enc_key * pkey = &assoc_req->wep_keys[i];
259
260 switch (pkey->len) {
261 case KEY_LEN_WEP_40:
262 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
263 memmove(&wep->keymaterial[i], pkey->key,
264 pkey->len);
265 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
266 break;
267 case KEY_LEN_WEP_104:
268 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
269 memmove(&wep->keymaterial[i], pkey->key,
270 pkey->len);
271 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
272 break;
273 case 0:
274 break;
275 default:
276 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
277 i, pkey->len);
278 ret = -1;
279 goto done;
280 break;
281 }
282 }
283 } else if (cmd_act == CMD_ACT_REMOVE) {
284 /* ACT_REMOVE clears _all_ WEP keys */
285 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
286
287 /* default tx key index */
288 wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx &
289 (u32)CMD_WEP_KEY_INDEX_MASK));
290 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
291 }
292
293 ret = 0;
294
295 done:
296 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
297 return ret;
298 }
299
300 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
301 struct cmd_ds_command *cmd,
302 u16 cmd_action,
303 void * pdata_buf)
304 {
305 struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
306 u32 * enable = pdata_buf;
307
308 lbs_deb_enter(LBS_DEB_CMD);
309
310 cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
311 cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
312 penableRSN->action = cpu_to_le16(cmd_action);
313
314 if (cmd_action == CMD_ACT_SET) {
315 if (*enable)
316 penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
317 else
318 penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
319 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
320 }
321
322 lbs_deb_leave(LBS_DEB_CMD);
323 return 0;
324 }
325
326
327 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
328 {
329 ssize_t pos = 0;
330 struct mrvlietypesheader *tlv_h;
331 while (pos < size) {
332 u16 length;
333 tlv_h = (struct mrvlietypesheader *) tlv;
334 if (tlv_h->len == 0)
335 return pos;
336 length = le16_to_cpu(tlv_h->len) +
337 sizeof(struct mrvlietypesheader);
338 pos += length;
339 tlv += length;
340 }
341 return pos;
342 }
343
344
345 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
346 struct cmd_ds_command *cmd, u16 cmd_action,
347 void *pdata_buf)
348 {
349 struct cmd_ds_802_11_subscribe_event *events =
350 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
351
352 /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
353 * for various Marvell TLVs */
354
355 lbs_deb_enter(LBS_DEB_CMD);
356
357 cmd->size = cpu_to_le16(sizeof(*events)
358 - sizeof(events->tlv)
359 + S_DS_GEN);
360 cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
361 if (cmd_action == CMD_ACT_GET) {
362 cmd->params.subscribe_event.events = 0;
363 } else {
364 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
365 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
366 cmd->params.subscribe_event.events = events->events;
367 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
368 }
369
370 lbs_deb_leave(LBS_DEB_CMD);
371 }
372
373 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
374 struct enc_key * pkey)
375 {
376 lbs_deb_enter(LBS_DEB_CMD);
377
378 if (pkey->flags & KEY_INFO_WPA_ENABLED) {
379 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
380 }
381 if (pkey->flags & KEY_INFO_WPA_UNICAST) {
382 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
383 }
384 if (pkey->flags & KEY_INFO_WPA_MCAST) {
385 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
386 }
387
388 pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
389 pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
390 pkeyparamset->keylen = cpu_to_le16(pkey->len);
391 memcpy(pkeyparamset->key, pkey->key, pkey->len);
392 pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid)
393 + sizeof(pkeyparamset->keyinfo)
394 + sizeof(pkeyparamset->keylen)
395 + sizeof(pkeyparamset->key));
396 lbs_deb_leave(LBS_DEB_CMD);
397 }
398
399 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
400 struct cmd_ds_command *cmd,
401 u16 cmd_action,
402 u32 cmd_oid, void *pdata_buf)
403 {
404 struct cmd_ds_802_11_key_material *pkeymaterial =
405 &cmd->params.keymaterial;
406 struct assoc_request * assoc_req = pdata_buf;
407 int ret = 0;
408 int index = 0;
409
410 lbs_deb_enter(LBS_DEB_CMD);
411
412 cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
413 pkeymaterial->action = cpu_to_le16(cmd_action);
414
415 if (cmd_action == CMD_ACT_GET) {
416 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
417 ret = 0;
418 goto done;
419 }
420
421 memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
422
423 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
424 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
425 &assoc_req->wpa_unicast_key);
426 index++;
427 }
428
429 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
430 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
431 &assoc_req->wpa_mcast_key);
432 index++;
433 }
434
435 cmd->size = cpu_to_le16( S_DS_GEN
436 + sizeof (pkeymaterial->action)
437 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
438
439 ret = 0;
440
441 done:
442 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
443 return ret;
444 }
445
446 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
447 struct cmd_ds_command *cmd, int cmd_action)
448 {
449 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
450
451 lbs_deb_enter(LBS_DEB_CMD);
452
453 cmd->command = cpu_to_le16(CMD_802_11_RESET);
454 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
455 reset->action = cpu_to_le16(cmd_action);
456
457 lbs_deb_leave(LBS_DEB_CMD);
458 return 0;
459 }
460
461 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
462 struct cmd_ds_command *cmd)
463 {
464 lbs_deb_enter(LBS_DEB_CMD);
465 cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
466 cmd->size =
467 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
468
469 lbs_deb_leave(LBS_DEB_CMD);
470 return 0;
471 }
472
473 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
474 struct cmd_ds_command *cmd)
475 {
476 lbs_deb_enter(LBS_DEB_CMD);
477 cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
478 cmd->size =
479 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
480
481 lbs_deb_leave(LBS_DEB_CMD);
482 return 0;
483 }
484
485 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
486 struct cmd_ds_command *cmd,
487 int cmd_action,
488 int cmd_oid, void *pdata_buf)
489 {
490 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
491 u8 ucTemp;
492
493 lbs_deb_enter(LBS_DEB_CMD);
494
495 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
496
497 cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
498 cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
499
500 switch (cmd_oid) {
501 case OID_802_11_INFRASTRUCTURE_MODE:
502 {
503 u8 mode = (u8) (size_t) pdata_buf;
504 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
505 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
506 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
507 if (mode == IW_MODE_ADHOC) {
508 ucTemp = SNMP_MIB_VALUE_ADHOC;
509 } else {
510 /* Infra and Auto modes */
511 ucTemp = SNMP_MIB_VALUE_INFRA;
512 }
513
514 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
515
516 break;
517 }
518
519 case OID_802_11D_ENABLE:
520 {
521 u32 ulTemp;
522
523 pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
524
525 if (cmd_action == CMD_ACT_SET) {
526 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
527 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
528 ulTemp = *(u32 *)pdata_buf;
529 *((__le16 *)(pSNMPMIB->value)) =
530 cpu_to_le16((u16) ulTemp);
531 }
532 break;
533 }
534
535 case OID_802_11_FRAGMENTATION_THRESHOLD:
536 {
537 u32 ulTemp;
538
539 pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
540
541 if (cmd_action == CMD_ACT_GET) {
542 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
543 } else if (cmd_action == CMD_ACT_SET) {
544 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
545 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
546 ulTemp = *((u32 *) pdata_buf);
547 *((__le16 *)(pSNMPMIB->value)) =
548 cpu_to_le16((u16) ulTemp);
549
550 }
551
552 break;
553 }
554
555 case OID_802_11_RTS_THRESHOLD:
556 {
557
558 u32 ulTemp;
559 pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
560
561 if (cmd_action == CMD_ACT_GET) {
562 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
563 } else if (cmd_action == CMD_ACT_SET) {
564 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
565 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
566 ulTemp = *((u32 *)pdata_buf);
567 *(__le16 *)(pSNMPMIB->value) =
568 cpu_to_le16((u16) ulTemp);
569
570 }
571 break;
572 }
573 case OID_802_11_TX_RETRYCOUNT:
574 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
575
576 if (cmd_action == CMD_ACT_GET) {
577 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
578 } else if (cmd_action == CMD_ACT_SET) {
579 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
580 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
581 *((__le16 *)(pSNMPMIB->value)) =
582 cpu_to_le16((u16) priv->txretrycount);
583 }
584
585 break;
586 default:
587 break;
588 }
589
590 lbs_deb_cmd(
591 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
592 le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
593 le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
594
595 lbs_deb_cmd(
596 "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
597 le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
598 le16_to_cpu(pSNMPMIB->bufsize),
599 le16_to_cpu(*(__le16 *) pSNMPMIB->value));
600
601 lbs_deb_leave(LBS_DEB_CMD);
602 return 0;
603 }
604
605 static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
606 struct cmd_ds_command *cmd,
607 int cmd_action)
608 {
609 struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
610
611 lbs_deb_enter(LBS_DEB_CMD);
612
613 cmd->size =
614 cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
615 S_DS_GEN);
616 cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
617
618 pradiocontrol->action = cpu_to_le16(cmd_action);
619
620 switch (priv->preamble) {
621 case CMD_TYPE_SHORT_PREAMBLE:
622 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
623 break;
624
625 case CMD_TYPE_LONG_PREAMBLE:
626 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
627 break;
628
629 case CMD_TYPE_AUTO_PREAMBLE:
630 default:
631 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
632 break;
633 }
634
635 if (priv->radioon)
636 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
637 else
638 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
639
640 lbs_deb_leave(LBS_DEB_CMD);
641 return 0;
642 }
643
644 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
645 struct cmd_ds_command *cmd,
646 u16 cmd_action, void *pdata_buf)
647 {
648
649 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
650
651 lbs_deb_enter(LBS_DEB_CMD);
652
653 cmd->size =
654 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
655 cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
656 prtp->action = cpu_to_le16(cmd_action);
657
658 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
659 le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
660 le16_to_cpu(prtp->action));
661
662 switch (cmd_action) {
663 case CMD_ACT_TX_POWER_OPT_GET:
664 prtp->action = cpu_to_le16(CMD_ACT_GET);
665 prtp->currentlevel = 0;
666 break;
667
668 case CMD_ACT_TX_POWER_OPT_SET_HIGH:
669 prtp->action = cpu_to_le16(CMD_ACT_SET);
670 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
671 break;
672
673 case CMD_ACT_TX_POWER_OPT_SET_MID:
674 prtp->action = cpu_to_le16(CMD_ACT_SET);
675 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
676 break;
677
678 case CMD_ACT_TX_POWER_OPT_SET_LOW:
679 prtp->action = cpu_to_le16(CMD_ACT_SET);
680 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
681 break;
682 }
683
684 lbs_deb_leave(LBS_DEB_CMD);
685 return 0;
686 }
687
688 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
689 struct cmd_ds_command *cmd,
690 u16 cmd_action, void *pdata_buf)
691 {
692 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
693
694 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
695 cmd->size =
696 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
697 S_DS_GEN);
698
699 monitor->action = cpu_to_le16(cmd_action);
700 if (cmd_action == CMD_ACT_SET) {
701 monitor->mode =
702 cpu_to_le16((u16) (*(u32 *) pdata_buf));
703 }
704
705 return 0;
706 }
707
708 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
709 struct cmd_ds_command *cmd,
710 u16 cmd_action)
711 {
712 struct cmd_ds_802_11_rate_adapt_rateset
713 *rateadapt = &cmd->params.rateset;
714
715 lbs_deb_enter(LBS_DEB_CMD);
716 cmd->size =
717 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
718 + S_DS_GEN);
719 cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
720
721 rateadapt->action = cpu_to_le16(cmd_action);
722 rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
723 rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
724
725 lbs_deb_leave(LBS_DEB_CMD);
726 return 0;
727 }
728
729 /**
730 * @brief Get the current data rate
731 *
732 * @param priv A pointer to struct lbs_private structure
733 *
734 * @return The data rate on success, error on failure
735 */
736 int lbs_get_data_rate(struct lbs_private *priv)
737 {
738 struct cmd_ds_802_11_data_rate cmd;
739 int ret = -1;
740
741 lbs_deb_enter(LBS_DEB_CMD);
742
743 memset(&cmd, 0, sizeof(cmd));
744 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
745 cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
746
747 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
748 if (ret)
749 goto out;
750
751 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
752
753 ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
754 lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
755
756 out:
757 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
758 return ret;
759 }
760
761 /**
762 * @brief Set the data rate
763 *
764 * @param priv A pointer to struct lbs_private structure
765 * @param rate The desired data rate, or 0 to clear a locked rate
766 *
767 * @return 0 on success, error on failure
768 */
769 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
770 {
771 struct cmd_ds_802_11_data_rate cmd;
772 int ret = 0;
773
774 lbs_deb_enter(LBS_DEB_CMD);
775
776 memset(&cmd, 0, sizeof(cmd));
777 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
778
779 if (rate > 0) {
780 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
781 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
782 if (cmd.rates[0] == 0) {
783 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
784 " 0x%02X\n", rate);
785 ret = 0;
786 goto out;
787 }
788 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
789 } else {
790 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
791 lbs_deb_cmd("DATA_RATE: setting auto\n");
792 }
793
794 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
795 if (ret)
796 goto out;
797
798 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
799
800 /* FIXME: get actual rates FW can do if this command actually returns
801 * all data rates supported.
802 */
803 priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
804 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
805
806 out:
807 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
808 return ret;
809 }
810
811 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
812 struct cmd_ds_command *cmd,
813 u16 cmd_action)
814 {
815 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
816
817 lbs_deb_enter(LBS_DEB_CMD);
818 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
819 S_DS_GEN);
820 cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
821
822 lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
823 pMCastAdr->action = cpu_to_le16(cmd_action);
824 pMCastAdr->nr_of_adrs =
825 cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
826 memcpy(pMCastAdr->maclist, priv->multicastlist,
827 priv->nr_of_multicastmacaddr * ETH_ALEN);
828
829 lbs_deb_leave(LBS_DEB_CMD);
830 return 0;
831 }
832
833 /**
834 * @brief Get the radio channel
835 *
836 * @param priv A pointer to struct lbs_private structure
837 *
838 * @return The channel on success, error on failure
839 */
840 int lbs_get_channel(struct lbs_private *priv)
841 {
842 struct cmd_ds_802_11_rf_channel cmd;
843 int ret = 0;
844
845 lbs_deb_enter(LBS_DEB_CMD);
846
847 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
848 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
849
850 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
851 if (ret)
852 goto out;
853
854 ret = le16_to_cpu(cmd.channel);
855 lbs_deb_cmd("current radio channel is %d\n", ret);
856
857 out:
858 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
859 return ret;
860 }
861
862 /**
863 * @brief Set the radio channel
864 *
865 * @param priv A pointer to struct lbs_private structure
866 * @param channel The desired channel, or 0 to clear a locked channel
867 *
868 * @return 0 on success, error on failure
869 */
870 int lbs_set_channel(struct lbs_private *priv, u8 channel)
871 {
872 struct cmd_ds_802_11_rf_channel cmd;
873 u8 old_channel = priv->curbssparams.channel;
874 int ret = 0;
875
876 lbs_deb_enter(LBS_DEB_CMD);
877
878 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
879 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
880 cmd.channel = cpu_to_le16(channel);
881
882 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
883 if (ret)
884 goto out;
885
886 priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
887 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
888 priv->curbssparams.channel);
889
890 out:
891 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
892 return ret;
893 }
894
895 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
896 struct cmd_ds_command *cmd)
897 {
898
899 lbs_deb_enter(LBS_DEB_CMD);
900 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
901 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
902 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
903
904 /* reset Beacon SNR/NF/RSSI values */
905 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
906 priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
907 priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
908 priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
909 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
910 priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
911
912 lbs_deb_leave(LBS_DEB_CMD);
913 return 0;
914 }
915
916 static int lbs_cmd_reg_access(struct lbs_private *priv,
917 struct cmd_ds_command *cmdptr,
918 u8 cmd_action, void *pdata_buf)
919 {
920 struct lbs_offset_value *offval;
921
922 lbs_deb_enter(LBS_DEB_CMD);
923
924 offval = (struct lbs_offset_value *)pdata_buf;
925
926 switch (le16_to_cpu(cmdptr->command)) {
927 case CMD_MAC_REG_ACCESS:
928 {
929 struct cmd_ds_mac_reg_access *macreg;
930
931 cmdptr->size =
932 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
933 + S_DS_GEN);
934 macreg =
935 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
936 macreg;
937
938 macreg->action = cpu_to_le16(cmd_action);
939 macreg->offset = cpu_to_le16((u16) offval->offset);
940 macreg->value = cpu_to_le32(offval->value);
941
942 break;
943 }
944
945 case CMD_BBP_REG_ACCESS:
946 {
947 struct cmd_ds_bbp_reg_access *bbpreg;
948
949 cmdptr->size =
950 cpu_to_le16(sizeof
951 (struct cmd_ds_bbp_reg_access)
952 + S_DS_GEN);
953 bbpreg =
954 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
955 bbpreg;
956
957 bbpreg->action = cpu_to_le16(cmd_action);
958 bbpreg->offset = cpu_to_le16((u16) offval->offset);
959 bbpreg->value = (u8) offval->value;
960
961 break;
962 }
963
964 case CMD_RF_REG_ACCESS:
965 {
966 struct cmd_ds_rf_reg_access *rfreg;
967
968 cmdptr->size =
969 cpu_to_le16(sizeof
970 (struct cmd_ds_rf_reg_access) +
971 S_DS_GEN);
972 rfreg =
973 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
974 rfreg;
975
976 rfreg->action = cpu_to_le16(cmd_action);
977 rfreg->offset = cpu_to_le16((u16) offval->offset);
978 rfreg->value = (u8) offval->value;
979
980 break;
981 }
982
983 default:
984 break;
985 }
986
987 lbs_deb_leave(LBS_DEB_CMD);
988 return 0;
989 }
990
991 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
992 struct cmd_ds_command *cmd,
993 u16 cmd_action)
994 {
995
996 lbs_deb_enter(LBS_DEB_CMD);
997 cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
998 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
999 S_DS_GEN);
1000 cmd->result = 0;
1001
1002 cmd->params.macadd.action = cpu_to_le16(cmd_action);
1003
1004 if (cmd_action == CMD_ACT_SET) {
1005 memcpy(cmd->params.macadd.macadd,
1006 priv->current_addr, ETH_ALEN);
1007 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
1008 }
1009
1010 lbs_deb_leave(LBS_DEB_CMD);
1011 return 0;
1012 }
1013
1014 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
1015 struct cmd_ds_command *cmd,
1016 int cmd_action, void *pdata_buf)
1017 {
1018 struct lbs_ioctl_regrdwr *ea = pdata_buf;
1019
1020 lbs_deb_enter(LBS_DEB_CMD);
1021
1022 cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
1023 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
1024 S_DS_GEN);
1025 cmd->result = 0;
1026
1027 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
1028 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
1029 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
1030 cmd->params.rdeeprom.value = 0;
1031
1032 lbs_deb_leave(LBS_DEB_CMD);
1033 return 0;
1034 }
1035
1036 static int lbs_cmd_bt_access(struct lbs_private *priv,
1037 struct cmd_ds_command *cmd,
1038 u16 cmd_action, void *pdata_buf)
1039 {
1040 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1041 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1042
1043 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1044 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1045 cmd->result = 0;
1046 bt_access->action = cpu_to_le16(cmd_action);
1047
1048 switch (cmd_action) {
1049 case CMD_ACT_BT_ACCESS_ADD:
1050 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1051 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1052 break;
1053 case CMD_ACT_BT_ACCESS_DEL:
1054 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1055 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1056 break;
1057 case CMD_ACT_BT_ACCESS_LIST:
1058 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1059 break;
1060 case CMD_ACT_BT_ACCESS_RESET:
1061 break;
1062 case CMD_ACT_BT_ACCESS_SET_INVERT:
1063 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1064 break;
1065 case CMD_ACT_BT_ACCESS_GET_INVERT:
1066 break;
1067 default:
1068 break;
1069 }
1070 lbs_deb_leave(LBS_DEB_CMD);
1071 return 0;
1072 }
1073
1074 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1075 struct cmd_ds_command *cmd,
1076 u16 cmd_action, void *pdata_buf)
1077 {
1078 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1079 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1080
1081 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1082 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1083 cmd->result = 0;
1084
1085 if (pdata_buf)
1086 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1087 else
1088 memset(fwt_access, 0, sizeof(*fwt_access));
1089
1090 fwt_access->action = cpu_to_le16(cmd_action);
1091
1092 lbs_deb_leave(LBS_DEB_CMD);
1093 return 0;
1094 }
1095
1096 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1097 struct cmd_ds_mesh_access *cmd)
1098 {
1099 int ret;
1100
1101 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1102
1103 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1104 cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
1105 cmd->hdr.result = 0;
1106
1107 cmd->action = cpu_to_le16(cmd_action);
1108
1109 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1110
1111 lbs_deb_leave(LBS_DEB_CMD);
1112 return ret;
1113 }
1114 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1115
1116 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1117 {
1118 struct cmd_ds_mesh_config cmd;
1119
1120 memset(&cmd, 0, sizeof(cmd));
1121 cmd.action = cpu_to_le16(enable);
1122 cmd.channel = cpu_to_le16(chan);
1123 cmd.type = cpu_to_le16(priv->mesh_tlv);
1124
1125 if (enable) {
1126 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1127 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1128 }
1129 lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1130 enable, priv->mesh_tlv, chan,
1131 escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1132 return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1133 }
1134
1135 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1136 struct cmd_ds_command *cmd,
1137 u16 cmd_action)
1138 {
1139 struct cmd_ds_802_11_beacon_control
1140 *bcn_ctrl = &cmd->params.bcn_ctrl;
1141
1142 lbs_deb_enter(LBS_DEB_CMD);
1143 cmd->size =
1144 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1145 + S_DS_GEN);
1146 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1147
1148 bcn_ctrl->action = cpu_to_le16(cmd_action);
1149 bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1150 bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1151
1152 lbs_deb_leave(LBS_DEB_CMD);
1153 return 0;
1154 }
1155
1156 /*
1157 * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
1158 * the command timer, because it does not account for queued commands.
1159 */
1160 void lbs_queue_cmd(struct lbs_private *priv,
1161 struct cmd_ctrl_node *cmdnode,
1162 u8 addtail)
1163 {
1164 unsigned long flags;
1165
1166 lbs_deb_enter(LBS_DEB_HOST);
1167
1168 if (!cmdnode) {
1169 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1170 goto done;
1171 }
1172 if (!cmdnode->cmdbuf->size) {
1173 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1174 goto done;
1175 }
1176 cmdnode->result = 0;
1177
1178 /* Exit_PS command needs to be queued in the header always. */
1179 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1180 struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
1181
1182 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1183 if (priv->psstate != PS_STATE_FULL_POWER)
1184 addtail = 0;
1185 }
1186 }
1187
1188 spin_lock_irqsave(&priv->driver_lock, flags);
1189
1190 if (addtail)
1191 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1192 else
1193 list_add(&cmdnode->list, &priv->cmdpendingq);
1194
1195 spin_unlock_irqrestore(&priv->driver_lock, flags);
1196
1197 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1198 le16_to_cpu(cmdnode->cmdbuf->command));
1199
1200 done:
1201 lbs_deb_leave(LBS_DEB_HOST);
1202 }
1203
1204 static int lbs_submit_command(struct lbs_private *priv,
1205 struct cmd_ctrl_node *cmdnode)
1206 {
1207 unsigned long flags;
1208 struct cmd_header *cmd;
1209 int ret = -1;
1210 u16 cmdsize;
1211 u16 command;
1212
1213 lbs_deb_enter(LBS_DEB_HOST);
1214
1215 cmd = cmdnode->cmdbuf;
1216
1217 spin_lock_irqsave(&priv->driver_lock, flags);
1218 priv->cur_cmd = cmdnode;
1219 priv->cur_cmd_retcode = 0;
1220 spin_unlock_irqrestore(&priv->driver_lock, flags);
1221
1222 cmdsize = le16_to_cpu(cmd->size);
1223 command = le16_to_cpu(cmd->command);
1224
1225 lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1226 command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1227 lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1228
1229 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1230 if (ret) {
1231 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1232 spin_lock_irqsave(&priv->driver_lock, flags);
1233 lbs_complete_command(priv, priv->cur_cmd, ret);
1234 spin_unlock_irqrestore(&priv->driver_lock, flags);
1235 goto done;
1236 }
1237
1238 lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1239
1240 /* Setup the timer after transmit command */
1241 if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1242 || command == CMD_802_11_ASSOCIATE)
1243 mod_timer(&priv->command_timer, jiffies + (10*HZ));
1244 else
1245 mod_timer(&priv->command_timer, jiffies + (5*HZ));
1246
1247 ret = 0;
1248
1249 done:
1250 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1251 return ret;
1252 }
1253
1254 static int lbs_cmd_mac_control(struct lbs_private *priv,
1255 struct cmd_ds_command *cmd)
1256 {
1257 struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1258
1259 lbs_deb_enter(LBS_DEB_CMD);
1260
1261 cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1262 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1263 mac->action = cpu_to_le16(priv->currentpacketfilter);
1264
1265 lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1266 le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1267
1268 lbs_deb_leave(LBS_DEB_CMD);
1269 return 0;
1270 }
1271
1272 /**
1273 * This function inserts command node to cmdfreeq
1274 * after cleans it. Requires priv->driver_lock held.
1275 */
1276 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1277 struct cmd_ctrl_node *cmdnode)
1278 {
1279 lbs_deb_enter(LBS_DEB_HOST);
1280
1281 if (!cmdnode)
1282 goto out;
1283
1284 cmdnode->callback = NULL;
1285 cmdnode->callback_arg = 0;
1286
1287 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1288
1289 list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1290 out:
1291 lbs_deb_leave(LBS_DEB_HOST);
1292 }
1293
1294 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1295 struct cmd_ctrl_node *ptempcmd)
1296 {
1297 unsigned long flags;
1298
1299 spin_lock_irqsave(&priv->driver_lock, flags);
1300 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1301 spin_unlock_irqrestore(&priv->driver_lock, flags);
1302 }
1303
1304 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1305 int result)
1306 {
1307 if (cmd == priv->cur_cmd)
1308 priv->cur_cmd_retcode = result;
1309
1310 cmd->result = result;
1311 cmd->cmdwaitqwoken = 1;
1312 wake_up_interruptible(&cmd->cmdwait_q);
1313
1314 if (!cmd->callback)
1315 __lbs_cleanup_and_insert_cmd(priv, cmd);
1316 priv->cur_cmd = NULL;
1317 }
1318
1319 int lbs_set_radio_control(struct lbs_private *priv)
1320 {
1321 int ret = 0;
1322
1323 lbs_deb_enter(LBS_DEB_CMD);
1324
1325 ret = lbs_prepare_and_send_command(priv,
1326 CMD_802_11_RADIO_CONTROL,
1327 CMD_ACT_SET,
1328 CMD_OPTION_WAITFORRSP, 0, NULL);
1329
1330 lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1331 priv->radioon, priv->preamble);
1332
1333 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1334 return ret;
1335 }
1336
1337 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1338 {
1339 int ret = 0;
1340
1341 lbs_deb_enter(LBS_DEB_CMD);
1342
1343 /* Send MAC control command to station */
1344 ret = lbs_prepare_and_send_command(priv,
1345 CMD_MAC_CONTROL, 0, 0, 0, NULL);
1346
1347 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1348 return ret;
1349 }
1350
1351 /**
1352 * @brief This function prepare the command before send to firmware.
1353 *
1354 * @param priv A pointer to struct lbs_private structure
1355 * @param cmd_no command number
1356 * @param cmd_action command action: GET or SET
1357 * @param wait_option wait option: wait response or not
1358 * @param cmd_oid cmd oid: treated as sub command
1359 * @param pdata_buf A pointer to informaion buffer
1360 * @return 0 or -1
1361 */
1362 int lbs_prepare_and_send_command(struct lbs_private *priv,
1363 u16 cmd_no,
1364 u16 cmd_action,
1365 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1366 {
1367 int ret = 0;
1368 struct cmd_ctrl_node *cmdnode;
1369 struct cmd_ds_command *cmdptr;
1370 unsigned long flags;
1371
1372 lbs_deb_enter(LBS_DEB_HOST);
1373
1374 if (!priv) {
1375 lbs_deb_host("PREP_CMD: priv is NULL\n");
1376 ret = -1;
1377 goto done;
1378 }
1379
1380 if (priv->surpriseremoved) {
1381 lbs_deb_host("PREP_CMD: card removed\n");
1382 ret = -1;
1383 goto done;
1384 }
1385
1386 cmdnode = lbs_get_cmd_ctrl_node(priv);
1387
1388 if (cmdnode == NULL) {
1389 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1390
1391 /* Wake up main thread to execute next command */
1392 wake_up_interruptible(&priv->waitq);
1393 ret = -1;
1394 goto done;
1395 }
1396
1397 lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1398
1399 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1400
1401 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1402
1403 /* Set sequence number, command and INT option */
1404 priv->seqnum++;
1405 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1406
1407 cmdptr->command = cpu_to_le16(cmd_no);
1408 cmdptr->result = 0;
1409
1410 switch (cmd_no) {
1411 case CMD_802_11_PS_MODE:
1412 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1413 break;
1414
1415 case CMD_802_11_SCAN:
1416 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1417 break;
1418
1419 case CMD_MAC_CONTROL:
1420 ret = lbs_cmd_mac_control(priv, cmdptr);
1421 break;
1422
1423 case CMD_802_11_ASSOCIATE:
1424 case CMD_802_11_REASSOCIATE:
1425 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1426 break;
1427
1428 case CMD_802_11_DEAUTHENTICATE:
1429 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1430 break;
1431
1432 case CMD_802_11_SET_WEP:
1433 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1434 break;
1435
1436 case CMD_802_11_AD_HOC_START:
1437 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1438 break;
1439 case CMD_CODE_DNLD:
1440 break;
1441
1442 case CMD_802_11_RESET:
1443 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1444 break;
1445
1446 case CMD_802_11_GET_LOG:
1447 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1448 break;
1449
1450 case CMD_802_11_AUTHENTICATE:
1451 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1452 break;
1453
1454 case CMD_802_11_GET_STAT:
1455 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1456 break;
1457
1458 case CMD_802_11_SNMP_MIB:
1459 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1460 cmd_action, cmd_oid, pdata_buf);
1461 break;
1462
1463 case CMD_MAC_REG_ACCESS:
1464 case CMD_BBP_REG_ACCESS:
1465 case CMD_RF_REG_ACCESS:
1466 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1467 break;
1468
1469 case CMD_802_11_RF_TX_POWER:
1470 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1471 cmd_action, pdata_buf);
1472 break;
1473
1474 case CMD_802_11_RADIO_CONTROL:
1475 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1476 break;
1477
1478 case CMD_802_11_RATE_ADAPT_RATESET:
1479 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1480 cmdptr, cmd_action);
1481 break;
1482
1483 case CMD_MAC_MULTICAST_ADR:
1484 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1485 break;
1486
1487 case CMD_802_11_MONITOR_MODE:
1488 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1489 cmd_action, pdata_buf);
1490 break;
1491
1492 case CMD_802_11_AD_HOC_JOIN:
1493 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1494 break;
1495
1496 case CMD_802_11_RSSI:
1497 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1498 break;
1499
1500 case CMD_802_11_AD_HOC_STOP:
1501 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1502 break;
1503
1504 case CMD_802_11_ENABLE_RSN:
1505 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1506 pdata_buf);
1507 break;
1508
1509 case CMD_802_11_KEY_MATERIAL:
1510 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1511 cmd_oid, pdata_buf);
1512 break;
1513
1514 case CMD_802_11_PAIRWISE_TSC:
1515 break;
1516 case CMD_802_11_GROUP_TSC:
1517 break;
1518
1519 case CMD_802_11_MAC_ADDRESS:
1520 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1521 break;
1522
1523 case CMD_802_11_EEPROM_ACCESS:
1524 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1525 cmd_action, pdata_buf);
1526 break;
1527
1528 case CMD_802_11_SET_AFC:
1529 case CMD_802_11_GET_AFC:
1530
1531 cmdptr->command = cpu_to_le16(cmd_no);
1532 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1533 S_DS_GEN);
1534
1535 memmove(&cmdptr->params.afc,
1536 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1537
1538 ret = 0;
1539 goto done;
1540
1541 case CMD_802_11D_DOMAIN_INFO:
1542 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1543 cmd_no, cmd_action);
1544 break;
1545
1546 case CMD_802_11_SLEEP_PARAMS:
1547 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1548 break;
1549 case CMD_802_11_INACTIVITY_TIMEOUT:
1550 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1551 cmd_action, pdata_buf);
1552 lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1553 break;
1554
1555 case CMD_802_11_TPC_CFG:
1556 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1557 cmdptr->size =
1558 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1559 S_DS_GEN);
1560
1561 memmove(&cmdptr->params.tpccfg,
1562 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1563
1564 ret = 0;
1565 break;
1566 case CMD_802_11_LED_GPIO_CTRL:
1567 {
1568 struct mrvlietypes_ledgpio *gpio =
1569 (struct mrvlietypes_ledgpio*)
1570 cmdptr->params.ledgpio.data;
1571
1572 memmove(&cmdptr->params.ledgpio,
1573 pdata_buf,
1574 sizeof(struct cmd_ds_802_11_led_ctrl));
1575
1576 cmdptr->command =
1577 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1578
1579 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1580 cmdptr->size =
1581 cpu_to_le16(le16_to_cpu(gpio->header.len)
1582 + S_DS_GEN
1583 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1584 gpio->header.len = gpio->header.len;
1585
1586 ret = 0;
1587 break;
1588 }
1589 case CMD_802_11_SUBSCRIBE_EVENT:
1590 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1591 cmd_action, pdata_buf);
1592 break;
1593 case CMD_802_11_PWR_CFG:
1594 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1595 cmdptr->size =
1596 cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1597 S_DS_GEN);
1598 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1599 sizeof(struct cmd_ds_802_11_pwr_cfg));
1600
1601 ret = 0;
1602 break;
1603 case CMD_BT_ACCESS:
1604 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1605 break;
1606
1607 case CMD_FWT_ACCESS:
1608 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1609 break;
1610
1611 case CMD_GET_TSF:
1612 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1613 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1614 S_DS_GEN);
1615 ret = 0;
1616 break;
1617 case CMD_802_11_BEACON_CTRL:
1618 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1619 break;
1620 default:
1621 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1622 ret = -1;
1623 break;
1624 }
1625
1626 /* return error, since the command preparation failed */
1627 if (ret != 0) {
1628 lbs_deb_host("PREP_CMD: command preparation failed\n");
1629 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1630 ret = -1;
1631 goto done;
1632 }
1633
1634 cmdnode->cmdwaitqwoken = 0;
1635
1636 lbs_queue_cmd(priv, cmdnode, 1);
1637 wake_up_interruptible(&priv->waitq);
1638
1639 if (wait_option & CMD_OPTION_WAITFORRSP) {
1640 lbs_deb_host("PREP_CMD: wait for response\n");
1641 might_sleep();
1642 wait_event_interruptible(cmdnode->cmdwait_q,
1643 cmdnode->cmdwaitqwoken);
1644 }
1645
1646 spin_lock_irqsave(&priv->driver_lock, flags);
1647 if (priv->cur_cmd_retcode) {
1648 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1649 priv->cur_cmd_retcode);
1650 priv->cur_cmd_retcode = 0;
1651 ret = -1;
1652 }
1653 spin_unlock_irqrestore(&priv->driver_lock, flags);
1654
1655 done:
1656 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1657 return ret;
1658 }
1659 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1660
1661 /**
1662 * @brief This function allocates the command buffer and link
1663 * it to command free queue.
1664 *
1665 * @param priv A pointer to struct lbs_private structure
1666 * @return 0 or -1
1667 */
1668 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1669 {
1670 int ret = 0;
1671 u32 bufsize;
1672 u32 i;
1673 struct cmd_ctrl_node *cmdarray;
1674
1675 lbs_deb_enter(LBS_DEB_HOST);
1676
1677 /* Allocate and initialize the command array */
1678 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1679 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1680 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1681 ret = -1;
1682 goto done;
1683 }
1684 priv->cmd_array = cmdarray;
1685
1686 /* Allocate and initialize each command buffer in the command array */
1687 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1688 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1689 if (!cmdarray[i].cmdbuf) {
1690 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1691 ret = -1;
1692 goto done;
1693 }
1694 }
1695
1696 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1697 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1698 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1699 }
1700 ret = 0;
1701
1702 done:
1703 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1704 return ret;
1705 }
1706
1707 /**
1708 * @brief This function frees the command buffer.
1709 *
1710 * @param priv A pointer to struct lbs_private structure
1711 * @return 0 or -1
1712 */
1713 int lbs_free_cmd_buffer(struct lbs_private *priv)
1714 {
1715 struct cmd_ctrl_node *cmdarray;
1716 unsigned int i;
1717
1718 lbs_deb_enter(LBS_DEB_HOST);
1719
1720 /* need to check if cmd array is allocated or not */
1721 if (priv->cmd_array == NULL) {
1722 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1723 goto done;
1724 }
1725
1726 cmdarray = priv->cmd_array;
1727
1728 /* Release shared memory buffers */
1729 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1730 if (cmdarray[i].cmdbuf) {
1731 kfree(cmdarray[i].cmdbuf);
1732 cmdarray[i].cmdbuf = NULL;
1733 }
1734 }
1735
1736 /* Release cmd_ctrl_node */
1737 if (priv->cmd_array) {
1738 kfree(priv->cmd_array);
1739 priv->cmd_array = NULL;
1740 }
1741
1742 done:
1743 lbs_deb_leave(LBS_DEB_HOST);
1744 return 0;
1745 }
1746
1747 /**
1748 * @brief This function gets a free command node if available in
1749 * command free queue.
1750 *
1751 * @param priv A pointer to struct lbs_private structure
1752 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1753 */
1754 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1755 {
1756 struct cmd_ctrl_node *tempnode;
1757 unsigned long flags;
1758
1759 lbs_deb_enter(LBS_DEB_HOST);
1760
1761 if (!priv)
1762 return NULL;
1763
1764 spin_lock_irqsave(&priv->driver_lock, flags);
1765
1766 if (!list_empty(&priv->cmdfreeq)) {
1767 tempnode = list_first_entry(&priv->cmdfreeq,
1768 struct cmd_ctrl_node, list);
1769 list_del(&tempnode->list);
1770 } else {
1771 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1772 tempnode = NULL;
1773 }
1774
1775 spin_unlock_irqrestore(&priv->driver_lock, flags);
1776
1777 lbs_deb_leave(LBS_DEB_HOST);
1778 return tempnode;
1779 }
1780
1781 /**
1782 * @brief This function cleans command node.
1783 *
1784 * @param ptempnode A pointer to cmdCtrlNode structure
1785 * @return n/a
1786 */
1787
1788 /**
1789 * @brief This function initializes the command node.
1790 *
1791 * @param priv A pointer to struct lbs_private structure
1792 * @param ptempnode A pointer to cmd_ctrl_node structure
1793 * @param pdata_buf A pointer to informaion buffer
1794 * @return 0 or -1
1795 */
1796 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1797 struct cmd_ctrl_node *ptempnode,
1798 void *pdata_buf)
1799 {
1800 lbs_deb_enter(LBS_DEB_HOST);
1801
1802 if (!ptempnode)
1803 return;
1804
1805 ptempnode->callback = NULL;
1806 ptempnode->callback_arg = (unsigned long)pdata_buf;
1807
1808 lbs_deb_leave(LBS_DEB_HOST);
1809 }
1810
1811 /**
1812 * @brief This function executes next command in command
1813 * pending queue. It will put fimware back to PS mode
1814 * if applicable.
1815 *
1816 * @param priv A pointer to struct lbs_private structure
1817 * @return 0 or -1
1818 */
1819 int lbs_execute_next_command(struct lbs_private *priv)
1820 {
1821 struct cmd_ctrl_node *cmdnode = NULL;
1822 struct cmd_header *cmd;
1823 unsigned long flags;
1824 int ret = 0;
1825
1826 // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1827 // only caller to us is lbs_thread() and we get even when a
1828 // data packet is received
1829 lbs_deb_enter(LBS_DEB_THREAD);
1830
1831 spin_lock_irqsave(&priv->driver_lock, flags);
1832
1833 if (priv->cur_cmd) {
1834 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1835 spin_unlock_irqrestore(&priv->driver_lock, flags);
1836 ret = -1;
1837 goto done;
1838 }
1839
1840 if (!list_empty(&priv->cmdpendingq)) {
1841 cmdnode = list_first_entry(&priv->cmdpendingq,
1842 struct cmd_ctrl_node, list);
1843 }
1844
1845 spin_unlock_irqrestore(&priv->driver_lock, flags);
1846
1847 if (cmdnode) {
1848 cmd = cmdnode->cmdbuf;
1849
1850 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1851 if ((priv->psstate == PS_STATE_SLEEP) ||
1852 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1853 lbs_deb_host(
1854 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1855 le16_to_cpu(cmd->command),
1856 priv->psstate);
1857 ret = -1;
1858 goto done;
1859 }
1860 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1861 "0x%04x in psstate %d\n",
1862 le16_to_cpu(cmd->command), priv->psstate);
1863 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1864 /*
1865 * 1. Non-PS command:
1866 * Queue it. set needtowakeup to TRUE if current state
1867 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1868 * 2. PS command but not Exit_PS:
1869 * Ignore it.
1870 * 3. PS command Exit_PS:
1871 * Set needtowakeup to TRUE if current state is SLEEP,
1872 * otherwise send this command down to firmware
1873 * immediately.
1874 */
1875 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1876 /* Prepare to send Exit PS,
1877 * this non PS command will be sent later */
1878 if ((priv->psstate == PS_STATE_SLEEP)
1879 || (priv->psstate == PS_STATE_PRE_SLEEP)
1880 ) {
1881 /* w/ new scheme, it will not reach here.
1882 since it is blocked in main_thread. */
1883 priv->needtowakeup = 1;
1884 } else
1885 lbs_ps_wakeup(priv, 0);
1886
1887 ret = 0;
1888 goto done;
1889 } else {
1890 /*
1891 * PS command. Ignore it if it is not Exit_PS.
1892 * otherwise send it down immediately.
1893 */
1894 struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
1895
1896 lbs_deb_host(
1897 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1898 psm->action);
1899 if (psm->action !=
1900 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1901 lbs_deb_host(
1902 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1903 list_del(&cmdnode->list);
1904 spin_lock_irqsave(&priv->driver_lock, flags);
1905 lbs_complete_command(priv, cmdnode, 0);
1906 spin_unlock_irqrestore(&priv->driver_lock, flags);
1907
1908 ret = 0;
1909 goto done;
1910 }
1911
1912 if ((priv->psstate == PS_STATE_SLEEP) ||
1913 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1914 lbs_deb_host(
1915 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1916 list_del(&cmdnode->list);
1917 spin_lock_irqsave(&priv->driver_lock, flags);
1918 lbs_complete_command(priv, cmdnode, 0);
1919 spin_unlock_irqrestore(&priv->driver_lock, flags);
1920 priv->needtowakeup = 1;
1921
1922 ret = 0;
1923 goto done;
1924 }
1925
1926 lbs_deb_host(
1927 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1928 }
1929 }
1930 list_del(&cmdnode->list);
1931 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1932 le16_to_cpu(cmd->command));
1933 lbs_submit_command(priv, cmdnode);
1934 } else {
1935 /*
1936 * check if in power save mode, if yes, put the device back
1937 * to PS mode
1938 */
1939 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1940 (priv->psstate == PS_STATE_FULL_POWER) &&
1941 ((priv->connect_status == LBS_CONNECTED) ||
1942 (priv->mesh_connect_status == LBS_CONNECTED))) {
1943 if (priv->secinfo.WPAenabled ||
1944 priv->secinfo.WPA2enabled) {
1945 /* check for valid WPA group keys */
1946 if (priv->wpa_mcast_key.len ||
1947 priv->wpa_unicast_key.len) {
1948 lbs_deb_host(
1949 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1950 " go back to PS_SLEEP");
1951 lbs_ps_sleep(priv, 0);
1952 }
1953 } else {
1954 lbs_deb_host(
1955 "EXEC_NEXT_CMD: cmdpendingq empty, "
1956 "go back to PS_SLEEP");
1957 lbs_ps_sleep(priv, 0);
1958 }
1959 }
1960 }
1961
1962 ret = 0;
1963 done:
1964 lbs_deb_leave(LBS_DEB_THREAD);
1965 return ret;
1966 }
1967
1968 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1969 {
1970 union iwreq_data iwrq;
1971 u8 buf[50];
1972
1973 lbs_deb_enter(LBS_DEB_WEXT);
1974
1975 memset(&iwrq, 0, sizeof(union iwreq_data));
1976 memset(buf, 0, sizeof(buf));
1977
1978 snprintf(buf, sizeof(buf) - 1, "%s", str);
1979
1980 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1981
1982 /* Send Event to upper layer */
1983 lbs_deb_wext("event indication string %s\n", (char *)buf);
1984 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1985 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1986
1987 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1988
1989 lbs_deb_leave(LBS_DEB_WEXT);
1990 }
1991
1992 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1993 {
1994 unsigned long flags;
1995 int ret = 0;
1996
1997 lbs_deb_enter(LBS_DEB_HOST);
1998
1999 lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
2000 size);
2001
2002 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
2003
2004 ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
2005 priv->dnld_sent = DNLD_RES_RECEIVED;
2006
2007 spin_lock_irqsave(&priv->driver_lock, flags);
2008 if (priv->intcounter || priv->currenttxskb)
2009 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
2010 priv->intcounter, priv->currenttxskb);
2011 spin_unlock_irqrestore(&priv->driver_lock, flags);
2012
2013 if (ret) {
2014 lbs_pr_alert(
2015 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
2016 } else {
2017 spin_lock_irqsave(&priv->driver_lock, flags);
2018 if (!priv->intcounter) {
2019 priv->psstate = PS_STATE_SLEEP;
2020 } else {
2021 lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
2022 priv->intcounter);
2023 }
2024 spin_unlock_irqrestore(&priv->driver_lock, flags);
2025
2026 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
2027 }
2028
2029 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2030 return ret;
2031 }
2032
2033 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
2034 {
2035 lbs_deb_enter(LBS_DEB_HOST);
2036
2037 /*
2038 * PS is currently supported only in Infrastructure mode
2039 * Remove this check if it is to be supported in IBSS mode also
2040 */
2041
2042 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2043 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2044
2045 lbs_deb_leave(LBS_DEB_HOST);
2046 }
2047
2048 /**
2049 * @brief This function sends Exit_PS command to firmware.
2050 *
2051 * @param priv A pointer to struct lbs_private structure
2052 * @param wait_option wait response or not
2053 * @return n/a
2054 */
2055 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2056 {
2057 __le32 Localpsmode;
2058
2059 lbs_deb_enter(LBS_DEB_HOST);
2060
2061 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2062
2063 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2064 CMD_SUBCMD_EXIT_PS,
2065 wait_option, 0, &Localpsmode);
2066
2067 lbs_deb_leave(LBS_DEB_HOST);
2068 }
2069
2070 /**
2071 * @brief This function checks condition and prepares to
2072 * send sleep confirm command to firmware if ok.
2073 *
2074 * @param priv A pointer to struct lbs_private structure
2075 * @param psmode Power Saving mode
2076 * @return n/a
2077 */
2078 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2079 {
2080 unsigned long flags =0;
2081 u8 allowed = 1;
2082
2083 lbs_deb_enter(LBS_DEB_HOST);
2084
2085 if (priv->dnld_sent) {
2086 allowed = 0;
2087 lbs_deb_host("dnld_sent was set\n");
2088 }
2089
2090 spin_lock_irqsave(&priv->driver_lock, flags);
2091 if (priv->cur_cmd) {
2092 allowed = 0;
2093 lbs_deb_host("cur_cmd was set\n");
2094 }
2095 if (priv->intcounter > 0) {
2096 allowed = 0;
2097 lbs_deb_host("intcounter %d\n", priv->intcounter);
2098 }
2099 spin_unlock_irqrestore(&priv->driver_lock, flags);
2100
2101 if (allowed) {
2102 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2103 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2104 sizeof(struct PS_CMD_ConfirmSleep));
2105 } else {
2106 lbs_deb_host("sleep confirm has been delayed\n");
2107 }
2108
2109 lbs_deb_leave(LBS_DEB_HOST);
2110 }
2111
2112
2113 /**
2114 * @brief Simple callback that copies response back into command
2115 *
2116 * @param priv A pointer to struct lbs_private structure
2117 * @param extra A pointer to the original command structure for which
2118 * 'resp' is a response
2119 * @param resp A pointer to the command response
2120 *
2121 * @return 0 on success, error on failure
2122 */
2123 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2124 struct cmd_header *resp)
2125 {
2126 struct cmd_header *buf = (void *)extra;
2127 uint16_t copy_len;
2128
2129 lbs_deb_enter(LBS_DEB_CMD);
2130
2131 copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2132 lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2133 "copy back buffer was %u bytes\n", copy_len,
2134 le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2135 memcpy(buf, resp, copy_len);
2136
2137 lbs_deb_leave(LBS_DEB_CMD);
2138 return 0;
2139 }
2140 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2141
2142 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2143 struct cmd_header *in_cmd, int in_cmd_size,
2144 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2145 unsigned long callback_arg)
2146 {
2147 struct cmd_ctrl_node *cmdnode;
2148
2149 lbs_deb_enter(LBS_DEB_HOST);
2150
2151 if (priv->surpriseremoved) {
2152 lbs_deb_host("PREP_CMD: card removed\n");
2153 cmdnode = ERR_PTR(-ENOENT);
2154 goto done;
2155 }
2156
2157 cmdnode = lbs_get_cmd_ctrl_node(priv);
2158 if (cmdnode == NULL) {
2159 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2160
2161 /* Wake up main thread to execute next command */
2162 wake_up_interruptible(&priv->waitq);
2163 cmdnode = ERR_PTR(-ENOBUFS);
2164 goto done;
2165 }
2166
2167 cmdnode->callback = callback;
2168 cmdnode->callback_arg = callback_arg;
2169
2170 /* Copy the incoming command to the buffer */
2171 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2172
2173 /* Set sequence number, clean result, move to buffer */
2174 priv->seqnum++;
2175 cmdnode->cmdbuf->command = cpu_to_le16(command);
2176 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
2177 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
2178 cmdnode->cmdbuf->result = 0;
2179
2180 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2181
2182 /* here was the big old switch() statement, which is now obsolete,
2183 * because the caller of lbs_cmd() sets up all of *cmd for us. */
2184
2185 cmdnode->cmdwaitqwoken = 0;
2186 lbs_queue_cmd(priv, cmdnode, 1);
2187 wake_up_interruptible(&priv->waitq);
2188
2189 done:
2190 lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2191 return cmdnode;
2192 }
2193
2194 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2195 struct cmd_header *in_cmd, int in_cmd_size,
2196 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2197 unsigned long callback_arg)
2198 {
2199 struct cmd_ctrl_node *cmdnode;
2200 unsigned long flags;
2201 int ret = 0;
2202
2203 lbs_deb_enter(LBS_DEB_HOST);
2204
2205 cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2206 callback, callback_arg);
2207 if (IS_ERR(cmdnode)) {
2208 ret = PTR_ERR(cmdnode);
2209 goto done;
2210 }
2211
2212 might_sleep();
2213 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2214
2215 spin_lock_irqsave(&priv->driver_lock, flags);
2216 ret = cmdnode->result;
2217 if (ret)
2218 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2219 command, ret);
2220
2221 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2222 spin_unlock_irqrestore(&priv->driver_lock, flags);
2223
2224 done:
2225 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2226 return ret;
2227 }
2228 EXPORT_SYMBOL_GPL(__lbs_cmd);
2229
2230
Linux kernel - Deliverables
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