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libertas: misc power saving adjusts
[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 Simple callback that copies response back into command
24 *
25 * @param priv A pointer to struct lbs_private structure
26 * @param extra A pointer to the original command structure for which
27 * 'resp' is a response
28 * @param resp A pointer to the command response
29 *
30 * @return 0 on success, error on failure
31 */
32 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
33 struct cmd_header *resp)
34 {
35 struct cmd_header *buf = (void *)extra;
36 uint16_t copy_len;
37
38 copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
39 memcpy(buf, resp, copy_len);
40 return 0;
41 }
42 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
43
44 /**
45 * @brief Simple callback that ignores the result. Use this if
46 * you just want to send a command to the hardware, but don't
47 * care for the result.
48 *
49 * @param priv ignored
50 * @param extra ignored
51 * @param resp ignored
52 *
53 * @return 0 for success
54 */
55 static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
56 struct cmd_header *resp)
57 {
58 return 0;
59 }
60
61
62 /**
63 * @brief Checks whether a command is allowed in Power Save mode
64 *
65 * @param command the command ID
66 * @return 1 if allowed, 0 if not allowed
67 */
68 static u8 is_command_allowed_in_ps(u16 cmd)
69 {
70 switch (cmd) {
71 case CMD_802_11_RSSI:
72 return 1;
73 default:
74 break;
75 }
76 return 0;
77 }
78
79 /**
80 * @brief Updates the hardware details like MAC address and regulatory region
81 *
82 * @param priv A pointer to struct lbs_private structure
83 *
84 * @return 0 on success, error on failure
85 */
86 int lbs_update_hw_spec(struct lbs_private *priv)
87 {
88 struct cmd_ds_get_hw_spec cmd;
89 int ret = -1;
90 u32 i;
91 DECLARE_MAC_BUF(mac);
92
93 lbs_deb_enter(LBS_DEB_CMD);
94
95 memset(&cmd, 0, sizeof(cmd));
96 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
97 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
98 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
99 if (ret)
100 goto out;
101
102 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
103
104 /* The firmware release is in an interesting format: the patch
105 * level is in the most significant nibble ... so fix that: */
106 priv->fwrelease = le32_to_cpu(cmd.fwrelease);
107 priv->fwrelease = (priv->fwrelease << 8) |
108 (priv->fwrelease >> 24 & 0xff);
109
110 /* Some firmware capabilities:
111 * CF card firmware 5.0.16p0: cap 0x00000303
112 * USB dongle firmware 5.110.17p2: cap 0x00000303
113 */
114 printk("libertas: %s, fw %u.%u.%up%u, cap 0x%08x\n",
115 print_mac(mac, cmd.permanentaddr),
116 priv->fwrelease >> 24 & 0xff,
117 priv->fwrelease >> 16 & 0xff,
118 priv->fwrelease >> 8 & 0xff,
119 priv->fwrelease & 0xff,
120 priv->fwcapinfo);
121 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
122 cmd.hwifversion, cmd.version);
123
124 /* Clamp region code to 8-bit since FW spec indicates that it should
125 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
126 * returns non-zero high 8 bits here.
127 */
128 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
129
130 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
131 /* use the region code to search for the index */
132 if (priv->regioncode == lbs_region_code_to_index[i])
133 break;
134 }
135
136 /* if it's unidentified region code, use the default (USA) */
137 if (i >= MRVDRV_MAX_REGION_CODE) {
138 priv->regioncode = 0x10;
139 lbs_pr_info("unidentified region code; using the default (USA)\n");
140 }
141
142 if (priv->current_addr[0] == 0xff)
143 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
144
145 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
146 if (priv->mesh_dev)
147 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
148
149 if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
150 ret = -1;
151 goto out;
152 }
153
154 if (lbs_set_universaltable(priv, 0)) {
155 ret = -1;
156 goto out;
157 }
158
159 out:
160 lbs_deb_leave(LBS_DEB_CMD);
161 return ret;
162 }
163
164 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
165 {
166 struct cmd_ds_host_sleep cmd_config;
167 int ret;
168
169 cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
170 cmd_config.criteria = cpu_to_le32(criteria);
171 cmd_config.gpio = priv->wol_gpio;
172 cmd_config.gap = priv->wol_gap;
173
174 ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
175 if (!ret) {
176 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
177 priv->wol_criteria = criteria;
178 } else {
179 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
180 }
181
182 return ret;
183 }
184 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
185
186 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
187 struct cmd_ds_command *cmd,
188 u16 cmd_action)
189 {
190 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
191
192 lbs_deb_enter(LBS_DEB_CMD);
193
194 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
195 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
196 S_DS_GEN);
197 psm->action = cpu_to_le16(cmd_action);
198 psm->multipledtim = 0;
199 switch (cmd_action) {
200 case CMD_SUBCMD_ENTER_PS:
201 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
202
203 psm->locallisteninterval = 0;
204 psm->nullpktinterval = 0;
205 psm->multipledtim =
206 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
207 break;
208
209 case CMD_SUBCMD_EXIT_PS:
210 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
211 break;
212
213 case CMD_SUBCMD_SLEEP_CONFIRMED:
214 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
215 break;
216
217 default:
218 break;
219 }
220
221 lbs_deb_leave(LBS_DEB_CMD);
222 return 0;
223 }
224
225 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
226 uint16_t cmd_action, uint16_t *timeout)
227 {
228 struct cmd_ds_802_11_inactivity_timeout cmd;
229 int ret;
230
231 lbs_deb_enter(LBS_DEB_CMD);
232
233 cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
234 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
235
236 cmd.action = cpu_to_le16(cmd_action);
237
238 if (cmd_action == CMD_ACT_SET)
239 cmd.timeout = cpu_to_le16(*timeout);
240 else
241 cmd.timeout = 0;
242
243 ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
244
245 if (!ret)
246 *timeout = le16_to_cpu(cmd.timeout);
247
248 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
249 return 0;
250 }
251
252 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
253 struct sleep_params *sp)
254 {
255 struct cmd_ds_802_11_sleep_params cmd;
256 int ret;
257
258 lbs_deb_enter(LBS_DEB_CMD);
259
260 if (cmd_action == CMD_ACT_GET) {
261 memset(&cmd, 0, sizeof(cmd));
262 } else {
263 cmd.error = cpu_to_le16(sp->sp_error);
264 cmd.offset = cpu_to_le16(sp->sp_offset);
265 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
266 cmd.calcontrol = sp->sp_calcontrol;
267 cmd.externalsleepclk = sp->sp_extsleepclk;
268 cmd.reserved = cpu_to_le16(sp->sp_reserved);
269 }
270 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
271 cmd.action = cpu_to_le16(cmd_action);
272
273 ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
274
275 if (!ret) {
276 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
277 "calcontrol 0x%x extsleepclk 0x%x\n",
278 le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
279 le16_to_cpu(cmd.stabletime), cmd.calcontrol,
280 cmd.externalsleepclk);
281
282 sp->sp_error = le16_to_cpu(cmd.error);
283 sp->sp_offset = le16_to_cpu(cmd.offset);
284 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
285 sp->sp_calcontrol = cmd.calcontrol;
286 sp->sp_extsleepclk = cmd.externalsleepclk;
287 sp->sp_reserved = le16_to_cpu(cmd.reserved);
288 }
289
290 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
291 return 0;
292 }
293
294 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
295 struct assoc_request *assoc)
296 {
297 struct cmd_ds_802_11_set_wep cmd;
298 int ret = 0;
299
300 lbs_deb_enter(LBS_DEB_CMD);
301
302 cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
303 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
304
305 cmd.action = cpu_to_le16(cmd_action);
306
307 if (cmd_action == CMD_ACT_ADD) {
308 int i;
309
310 /* default tx key index */
311 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
312 CMD_WEP_KEY_INDEX_MASK);
313
314 /* Copy key types and material to host command structure */
315 for (i = 0; i < 4; i++) {
316 struct enc_key *pkey = &assoc->wep_keys[i];
317
318 switch (pkey->len) {
319 case KEY_LEN_WEP_40:
320 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
321 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
322 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
323 break;
324 case KEY_LEN_WEP_104:
325 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
326 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
327 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
328 break;
329 case 0:
330 break;
331 default:
332 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
333 i, pkey->len);
334 ret = -1;
335 goto done;
336 break;
337 }
338 }
339 } else if (cmd_action == CMD_ACT_REMOVE) {
340 /* ACT_REMOVE clears _all_ WEP keys */
341
342 /* default tx key index */
343 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
344 CMD_WEP_KEY_INDEX_MASK);
345 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
346 }
347
348 ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
349 done:
350 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
351 return ret;
352 }
353
354 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
355 uint16_t *enable)
356 {
357 struct cmd_ds_802_11_enable_rsn cmd;
358 int ret;
359
360 lbs_deb_enter(LBS_DEB_CMD);
361
362 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
363 cmd.action = cpu_to_le16(cmd_action);
364
365 if (cmd_action == CMD_ACT_SET) {
366 if (*enable)
367 cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
368 else
369 cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
370 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
371 }
372
373 ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
374 if (!ret && cmd_action == CMD_ACT_GET)
375 *enable = le16_to_cpu(cmd.enable);
376
377 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
378 return ret;
379 }
380
381 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
382 struct enc_key *key)
383 {
384 lbs_deb_enter(LBS_DEB_CMD);
385
386 if (key->flags & KEY_INFO_WPA_ENABLED)
387 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
388 if (key->flags & KEY_INFO_WPA_UNICAST)
389 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
390 if (key->flags & KEY_INFO_WPA_MCAST)
391 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
392
393 keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
394 keyparam->keytypeid = cpu_to_le16(key->type);
395 keyparam->keylen = cpu_to_le16(key->len);
396 memcpy(keyparam->key, key->key, key->len);
397
398 /* Length field doesn't include the {type,length} header */
399 keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
400 lbs_deb_leave(LBS_DEB_CMD);
401 }
402
403 int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
404 struct assoc_request *assoc)
405 {
406 struct cmd_ds_802_11_key_material cmd;
407 int ret = 0;
408 int index = 0;
409
410 lbs_deb_enter(LBS_DEB_CMD);
411
412 cmd.action = cpu_to_le16(cmd_action);
413 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
414
415 if (cmd_action == CMD_ACT_GET) {
416 cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
417 } else {
418 memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
419
420 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
421 set_one_wpa_key(&cmd.keyParamSet[index],
422 &assoc->wpa_unicast_key);
423 index++;
424 }
425
426 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
427 set_one_wpa_key(&cmd.keyParamSet[index],
428 &assoc->wpa_mcast_key);
429 index++;
430 }
431
432 /* The common header and as many keys as we included */
433 cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
434 keyParamSet[index]));
435 }
436 ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
437 /* Copy the returned key to driver private data */
438 if (!ret && cmd_action == CMD_ACT_GET) {
439 void *buf_ptr = cmd.keyParamSet;
440 void *resp_end = &(&cmd)[1];
441
442 while (buf_ptr < resp_end) {
443 struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
444 struct enc_key *key;
445 uint16_t param_set_len = le16_to_cpu(keyparam->length);
446 uint16_t key_len = le16_to_cpu(keyparam->keylen);
447 uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
448 uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
449 void *end;
450
451 end = (void *)keyparam + sizeof(keyparam->type)
452 + sizeof(keyparam->length) + param_set_len;
453
454 /* Make sure we don't access past the end of the IEs */
455 if (end > resp_end)
456 break;
457
458 if (key_flags & KEY_INFO_WPA_UNICAST)
459 key = &priv->wpa_unicast_key;
460 else if (key_flags & KEY_INFO_WPA_MCAST)
461 key = &priv->wpa_mcast_key;
462 else
463 break;
464
465 /* Copy returned key into driver */
466 memset(key, 0, sizeof(struct enc_key));
467 if (key_len > sizeof(key->key))
468 break;
469 key->type = key_type;
470 key->flags = key_flags;
471 key->len = key_len;
472 memcpy(key->key, keyparam->key, key->len);
473
474 buf_ptr = end + 1;
475 }
476 }
477
478 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
479 return ret;
480 }
481
482 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
483 struct cmd_ds_command *cmd, int cmd_action)
484 {
485 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
486
487 lbs_deb_enter(LBS_DEB_CMD);
488
489 cmd->command = cpu_to_le16(CMD_802_11_RESET);
490 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
491 reset->action = cpu_to_le16(cmd_action);
492
493 lbs_deb_leave(LBS_DEB_CMD);
494 return 0;
495 }
496
497 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
498 struct cmd_ds_command *cmd)
499 {
500 lbs_deb_enter(LBS_DEB_CMD);
501 cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
502 cmd->size =
503 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
504
505 lbs_deb_leave(LBS_DEB_CMD);
506 return 0;
507 }
508
509 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
510 struct cmd_ds_command *cmd,
511 int cmd_action,
512 int cmd_oid, void *pdata_buf)
513 {
514 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
515 u8 ucTemp;
516
517 lbs_deb_enter(LBS_DEB_CMD);
518
519 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
520
521 cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
522 cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
523
524 switch (cmd_oid) {
525 case OID_802_11_INFRASTRUCTURE_MODE:
526 {
527 u8 mode = (u8) (size_t) pdata_buf;
528 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
529 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
530 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
531 if (mode == IW_MODE_ADHOC) {
532 ucTemp = SNMP_MIB_VALUE_ADHOC;
533 } else {
534 /* Infra and Auto modes */
535 ucTemp = SNMP_MIB_VALUE_INFRA;
536 }
537
538 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
539
540 break;
541 }
542
543 case OID_802_11D_ENABLE:
544 {
545 u32 ulTemp;
546
547 pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
548
549 if (cmd_action == CMD_ACT_SET) {
550 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
551 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
552 ulTemp = *(u32 *)pdata_buf;
553 *((__le16 *)(pSNMPMIB->value)) =
554 cpu_to_le16((u16) ulTemp);
555 }
556 break;
557 }
558
559 case OID_802_11_FRAGMENTATION_THRESHOLD:
560 {
561 u32 ulTemp;
562
563 pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
564
565 if (cmd_action == CMD_ACT_GET) {
566 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
567 } else if (cmd_action == CMD_ACT_SET) {
568 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
569 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
570 ulTemp = *((u32 *) pdata_buf);
571 *((__le16 *)(pSNMPMIB->value)) =
572 cpu_to_le16((u16) ulTemp);
573
574 }
575
576 break;
577 }
578
579 case OID_802_11_RTS_THRESHOLD:
580 {
581
582 u32 ulTemp;
583 pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
584
585 if (cmd_action == CMD_ACT_GET) {
586 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
587 } else if (cmd_action == CMD_ACT_SET) {
588 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
589 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
590 ulTemp = *((u32 *)pdata_buf);
591 *(__le16 *)(pSNMPMIB->value) =
592 cpu_to_le16((u16) ulTemp);
593
594 }
595 break;
596 }
597 case OID_802_11_TX_RETRYCOUNT:
598 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
599
600 if (cmd_action == CMD_ACT_GET) {
601 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
602 } else if (cmd_action == CMD_ACT_SET) {
603 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
604 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
605 *((__le16 *)(pSNMPMIB->value)) =
606 cpu_to_le16((u16) priv->txretrycount);
607 }
608
609 break;
610 default:
611 break;
612 }
613
614 lbs_deb_cmd(
615 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
616 le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
617 le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
618
619 lbs_deb_cmd(
620 "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
621 le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
622 le16_to_cpu(pSNMPMIB->bufsize),
623 le16_to_cpu(*(__le16 *) pSNMPMIB->value));
624
625 lbs_deb_leave(LBS_DEB_CMD);
626 return 0;
627 }
628
629 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
630 struct cmd_ds_command *cmd,
631 u16 cmd_action, void *pdata_buf)
632 {
633
634 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
635
636 lbs_deb_enter(LBS_DEB_CMD);
637
638 cmd->size =
639 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
640 cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
641 prtp->action = cpu_to_le16(cmd_action);
642
643 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
644 le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
645 le16_to_cpu(prtp->action));
646
647 switch (cmd_action) {
648 case CMD_ACT_TX_POWER_OPT_GET:
649 prtp->action = cpu_to_le16(CMD_ACT_GET);
650 prtp->currentlevel = 0;
651 break;
652
653 case CMD_ACT_TX_POWER_OPT_SET_HIGH:
654 prtp->action = cpu_to_le16(CMD_ACT_SET);
655 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
656 break;
657
658 case CMD_ACT_TX_POWER_OPT_SET_MID:
659 prtp->action = cpu_to_le16(CMD_ACT_SET);
660 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
661 break;
662
663 case CMD_ACT_TX_POWER_OPT_SET_LOW:
664 prtp->action = cpu_to_le16(CMD_ACT_SET);
665 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
666 break;
667 }
668
669 lbs_deb_leave(LBS_DEB_CMD);
670 return 0;
671 }
672
673 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
674 struct cmd_ds_command *cmd,
675 u16 cmd_action, void *pdata_buf)
676 {
677 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
678
679 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
680 cmd->size =
681 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
682 S_DS_GEN);
683
684 monitor->action = cpu_to_le16(cmd_action);
685 if (cmd_action == CMD_ACT_SET) {
686 monitor->mode =
687 cpu_to_le16((u16) (*(u32 *) pdata_buf));
688 }
689
690 return 0;
691 }
692
693 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
694 struct cmd_ds_command *cmd,
695 u16 cmd_action)
696 {
697 struct cmd_ds_802_11_rate_adapt_rateset
698 *rateadapt = &cmd->params.rateset;
699
700 lbs_deb_enter(LBS_DEB_CMD);
701 cmd->size =
702 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
703 + S_DS_GEN);
704 cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
705
706 rateadapt->action = cpu_to_le16(cmd_action);
707 rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
708 rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
709
710 lbs_deb_leave(LBS_DEB_CMD);
711 return 0;
712 }
713
714 /**
715 * @brief Get the current data rate
716 *
717 * @param priv A pointer to struct lbs_private structure
718 *
719 * @return The data rate on success, error on failure
720 */
721 int lbs_get_data_rate(struct lbs_private *priv)
722 {
723 struct cmd_ds_802_11_data_rate cmd;
724 int ret = -1;
725
726 lbs_deb_enter(LBS_DEB_CMD);
727
728 memset(&cmd, 0, sizeof(cmd));
729 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
730 cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
731
732 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
733 if (ret)
734 goto out;
735
736 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
737
738 ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
739 lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
740
741 out:
742 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
743 return ret;
744 }
745
746 /**
747 * @brief Set the data rate
748 *
749 * @param priv A pointer to struct lbs_private structure
750 * @param rate The desired data rate, or 0 to clear a locked rate
751 *
752 * @return 0 on success, error on failure
753 */
754 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
755 {
756 struct cmd_ds_802_11_data_rate cmd;
757 int ret = 0;
758
759 lbs_deb_enter(LBS_DEB_CMD);
760
761 memset(&cmd, 0, sizeof(cmd));
762 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
763
764 if (rate > 0) {
765 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
766 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
767 if (cmd.rates[0] == 0) {
768 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
769 " 0x%02X\n", rate);
770 ret = 0;
771 goto out;
772 }
773 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
774 } else {
775 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
776 lbs_deb_cmd("DATA_RATE: setting auto\n");
777 }
778
779 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
780 if (ret)
781 goto out;
782
783 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
784
785 /* FIXME: get actual rates FW can do if this command actually returns
786 * all data rates supported.
787 */
788 priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
789 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
790
791 out:
792 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
793 return ret;
794 }
795
796 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
797 struct cmd_ds_command *cmd,
798 u16 cmd_action)
799 {
800 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
801
802 lbs_deb_enter(LBS_DEB_CMD);
803 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
804 S_DS_GEN);
805 cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
806
807 lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
808 pMCastAdr->action = cpu_to_le16(cmd_action);
809 pMCastAdr->nr_of_adrs =
810 cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
811 memcpy(pMCastAdr->maclist, priv->multicastlist,
812 priv->nr_of_multicastmacaddr * ETH_ALEN);
813
814 lbs_deb_leave(LBS_DEB_CMD);
815 return 0;
816 }
817
818 /**
819 * @brief Get the radio channel
820 *
821 * @param priv A pointer to struct lbs_private structure
822 *
823 * @return The channel on success, error on failure
824 */
825 int lbs_get_channel(struct lbs_private *priv)
826 {
827 struct cmd_ds_802_11_rf_channel cmd;
828 int ret = 0;
829
830 lbs_deb_enter(LBS_DEB_CMD);
831
832 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
833 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
834
835 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
836 if (ret)
837 goto out;
838
839 ret = le16_to_cpu(cmd.channel);
840 lbs_deb_cmd("current radio channel is %d\n", ret);
841
842 out:
843 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
844 return ret;
845 }
846
847 /**
848 * @brief Set the radio channel
849 *
850 * @param priv A pointer to struct lbs_private structure
851 * @param channel The desired channel, or 0 to clear a locked channel
852 *
853 * @return 0 on success, error on failure
854 */
855 int lbs_set_channel(struct lbs_private *priv, u8 channel)
856 {
857 struct cmd_ds_802_11_rf_channel cmd;
858 u8 old_channel = priv->curbssparams.channel;
859 int ret = 0;
860
861 lbs_deb_enter(LBS_DEB_CMD);
862
863 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
864 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
865 cmd.channel = cpu_to_le16(channel);
866
867 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
868 if (ret)
869 goto out;
870
871 priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
872 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
873 priv->curbssparams.channel);
874
875 out:
876 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
877 return ret;
878 }
879
880 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
881 struct cmd_ds_command *cmd)
882 {
883
884 lbs_deb_enter(LBS_DEB_CMD);
885 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
886 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
887 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
888
889 /* reset Beacon SNR/NF/RSSI values */
890 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
891 priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
892 priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
893 priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
894 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
895 priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
896
897 lbs_deb_leave(LBS_DEB_CMD);
898 return 0;
899 }
900
901 static int lbs_cmd_reg_access(struct lbs_private *priv,
902 struct cmd_ds_command *cmdptr,
903 u8 cmd_action, void *pdata_buf)
904 {
905 struct lbs_offset_value *offval;
906
907 lbs_deb_enter(LBS_DEB_CMD);
908
909 offval = (struct lbs_offset_value *)pdata_buf;
910
911 switch (le16_to_cpu(cmdptr->command)) {
912 case CMD_MAC_REG_ACCESS:
913 {
914 struct cmd_ds_mac_reg_access *macreg;
915
916 cmdptr->size =
917 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
918 + S_DS_GEN);
919 macreg =
920 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
921 macreg;
922
923 macreg->action = cpu_to_le16(cmd_action);
924 macreg->offset = cpu_to_le16((u16) offval->offset);
925 macreg->value = cpu_to_le32(offval->value);
926
927 break;
928 }
929
930 case CMD_BBP_REG_ACCESS:
931 {
932 struct cmd_ds_bbp_reg_access *bbpreg;
933
934 cmdptr->size =
935 cpu_to_le16(sizeof
936 (struct cmd_ds_bbp_reg_access)
937 + S_DS_GEN);
938 bbpreg =
939 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
940 bbpreg;
941
942 bbpreg->action = cpu_to_le16(cmd_action);
943 bbpreg->offset = cpu_to_le16((u16) offval->offset);
944 bbpreg->value = (u8) offval->value;
945
946 break;
947 }
948
949 case CMD_RF_REG_ACCESS:
950 {
951 struct cmd_ds_rf_reg_access *rfreg;
952
953 cmdptr->size =
954 cpu_to_le16(sizeof
955 (struct cmd_ds_rf_reg_access) +
956 S_DS_GEN);
957 rfreg =
958 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
959 rfreg;
960
961 rfreg->action = cpu_to_le16(cmd_action);
962 rfreg->offset = cpu_to_le16((u16) offval->offset);
963 rfreg->value = (u8) offval->value;
964
965 break;
966 }
967
968 default:
969 break;
970 }
971
972 lbs_deb_leave(LBS_DEB_CMD);
973 return 0;
974 }
975
976 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
977 struct cmd_ds_command *cmd,
978 u16 cmd_action)
979 {
980
981 lbs_deb_enter(LBS_DEB_CMD);
982 cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
983 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
984 S_DS_GEN);
985 cmd->result = 0;
986
987 cmd->params.macadd.action = cpu_to_le16(cmd_action);
988
989 if (cmd_action == CMD_ACT_SET) {
990 memcpy(cmd->params.macadd.macadd,
991 priv->current_addr, ETH_ALEN);
992 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
993 }
994
995 lbs_deb_leave(LBS_DEB_CMD);
996 return 0;
997 }
998
999 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
1000 struct cmd_ds_command *cmd,
1001 int cmd_action, void *pdata_buf)
1002 {
1003 struct lbs_ioctl_regrdwr *ea = pdata_buf;
1004
1005 lbs_deb_enter(LBS_DEB_CMD);
1006
1007 cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
1008 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
1009 S_DS_GEN);
1010 cmd->result = 0;
1011
1012 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
1013 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
1014 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
1015 cmd->params.rdeeprom.value = 0;
1016
1017 lbs_deb_leave(LBS_DEB_CMD);
1018 return 0;
1019 }
1020
1021 static int lbs_cmd_bt_access(struct lbs_private *priv,
1022 struct cmd_ds_command *cmd,
1023 u16 cmd_action, void *pdata_buf)
1024 {
1025 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1026 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1027
1028 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1029 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1030 cmd->result = 0;
1031 bt_access->action = cpu_to_le16(cmd_action);
1032
1033 switch (cmd_action) {
1034 case CMD_ACT_BT_ACCESS_ADD:
1035 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1036 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1037 break;
1038 case CMD_ACT_BT_ACCESS_DEL:
1039 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1040 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1041 break;
1042 case CMD_ACT_BT_ACCESS_LIST:
1043 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1044 break;
1045 case CMD_ACT_BT_ACCESS_RESET:
1046 break;
1047 case CMD_ACT_BT_ACCESS_SET_INVERT:
1048 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1049 break;
1050 case CMD_ACT_BT_ACCESS_GET_INVERT:
1051 break;
1052 default:
1053 break;
1054 }
1055 lbs_deb_leave(LBS_DEB_CMD);
1056 return 0;
1057 }
1058
1059 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1060 struct cmd_ds_command *cmd,
1061 u16 cmd_action, void *pdata_buf)
1062 {
1063 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1064 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1065
1066 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1067 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1068 cmd->result = 0;
1069
1070 if (pdata_buf)
1071 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1072 else
1073 memset(fwt_access, 0, sizeof(*fwt_access));
1074
1075 fwt_access->action = cpu_to_le16(cmd_action);
1076
1077 lbs_deb_leave(LBS_DEB_CMD);
1078 return 0;
1079 }
1080
1081 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1082 struct cmd_ds_mesh_access *cmd)
1083 {
1084 int ret;
1085
1086 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1087
1088 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1089 cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1090 cmd->hdr.result = 0;
1091
1092 cmd->action = cpu_to_le16(cmd_action);
1093
1094 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1095
1096 lbs_deb_leave(LBS_DEB_CMD);
1097 return ret;
1098 }
1099
1100 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1101 {
1102 struct cmd_ds_mesh_config cmd;
1103
1104 memset(&cmd, 0, sizeof(cmd));
1105 cmd.action = cpu_to_le16(enable);
1106 cmd.channel = cpu_to_le16(chan);
1107 cmd.type = cpu_to_le16(priv->mesh_tlv);
1108 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1109
1110 if (enable) {
1111 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1112 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1113 }
1114 lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1115 enable, priv->mesh_tlv, chan,
1116 escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1117 return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1118 }
1119
1120 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1121 struct cmd_ds_command *cmd,
1122 u16 cmd_action)
1123 {
1124 struct cmd_ds_802_11_beacon_control
1125 *bcn_ctrl = &cmd->params.bcn_ctrl;
1126
1127 lbs_deb_enter(LBS_DEB_CMD);
1128 cmd->size =
1129 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1130 + S_DS_GEN);
1131 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1132
1133 bcn_ctrl->action = cpu_to_le16(cmd_action);
1134 bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1135 bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1136
1137 lbs_deb_leave(LBS_DEB_CMD);
1138 return 0;
1139 }
1140
1141 static void lbs_queue_cmd(struct lbs_private *priv,
1142 struct cmd_ctrl_node *cmdnode)
1143 {
1144 unsigned long flags;
1145 int addtail = 1;
1146
1147 lbs_deb_enter(LBS_DEB_HOST);
1148
1149 if (!cmdnode) {
1150 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1151 goto done;
1152 }
1153 if (!cmdnode->cmdbuf->size) {
1154 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1155 goto done;
1156 }
1157 cmdnode->result = 0;
1158
1159 /* Exit_PS command needs to be queued in the header always. */
1160 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1161 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1162
1163 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1164 if (priv->psstate != PS_STATE_FULL_POWER)
1165 addtail = 0;
1166 }
1167 }
1168
1169 spin_lock_irqsave(&priv->driver_lock, flags);
1170
1171 if (addtail)
1172 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1173 else
1174 list_add(&cmdnode->list, &priv->cmdpendingq);
1175
1176 spin_unlock_irqrestore(&priv->driver_lock, flags);
1177
1178 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1179 le16_to_cpu(cmdnode->cmdbuf->command));
1180
1181 done:
1182 lbs_deb_leave(LBS_DEB_HOST);
1183 }
1184
1185 static void lbs_submit_command(struct lbs_private *priv,
1186 struct cmd_ctrl_node *cmdnode)
1187 {
1188 unsigned long flags;
1189 struct cmd_header *cmd;
1190 uint16_t cmdsize;
1191 uint16_t command;
1192 int timeo = 5 * HZ;
1193 int ret;
1194
1195 lbs_deb_enter(LBS_DEB_HOST);
1196
1197 cmd = cmdnode->cmdbuf;
1198
1199 spin_lock_irqsave(&priv->driver_lock, flags);
1200 priv->cur_cmd = cmdnode;
1201 priv->cur_cmd_retcode = 0;
1202 spin_unlock_irqrestore(&priv->driver_lock, flags);
1203
1204 cmdsize = le16_to_cpu(cmd->size);
1205 command = le16_to_cpu(cmd->command);
1206
1207 /* These commands take longer */
1208 if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1209 command == CMD_802_11_AUTHENTICATE)
1210 timeo = 10 * HZ;
1211
1212 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1213 command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1214 lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1215
1216 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1217
1218 if (ret) {
1219 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1220 /* Let the timer kick in and retry, and potentially reset
1221 the whole thing if the condition persists */
1222 timeo = HZ;
1223 }
1224
1225 /* Setup the timer after transmit command */
1226 mod_timer(&priv->command_timer, jiffies + timeo);
1227
1228 lbs_deb_leave(LBS_DEB_HOST);
1229 }
1230
1231 /**
1232 * This function inserts command node to cmdfreeq
1233 * after cleans it. Requires priv->driver_lock held.
1234 */
1235 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1236 struct cmd_ctrl_node *cmdnode)
1237 {
1238 lbs_deb_enter(LBS_DEB_HOST);
1239
1240 if (!cmdnode)
1241 goto out;
1242
1243 cmdnode->callback = NULL;
1244 cmdnode->callback_arg = 0;
1245
1246 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1247
1248 list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1249 out:
1250 lbs_deb_leave(LBS_DEB_HOST);
1251 }
1252
1253 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1254 struct cmd_ctrl_node *ptempcmd)
1255 {
1256 unsigned long flags;
1257
1258 spin_lock_irqsave(&priv->driver_lock, flags);
1259 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1260 spin_unlock_irqrestore(&priv->driver_lock, flags);
1261 }
1262
1263 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1264 int result)
1265 {
1266 if (cmd == priv->cur_cmd)
1267 priv->cur_cmd_retcode = result;
1268
1269 cmd->result = result;
1270 cmd->cmdwaitqwoken = 1;
1271 wake_up_interruptible(&cmd->cmdwait_q);
1272
1273 if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
1274 __lbs_cleanup_and_insert_cmd(priv, cmd);
1275 priv->cur_cmd = NULL;
1276 }
1277
1278 int lbs_set_radio_control(struct lbs_private *priv)
1279 {
1280 int ret = 0;
1281 struct cmd_ds_802_11_radio_control cmd;
1282
1283 lbs_deb_enter(LBS_DEB_CMD);
1284
1285 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1286 cmd.action = cpu_to_le16(CMD_ACT_SET);
1287
1288 switch (priv->preamble) {
1289 case CMD_TYPE_SHORT_PREAMBLE:
1290 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1291 break;
1292
1293 case CMD_TYPE_LONG_PREAMBLE:
1294 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1295 break;
1296
1297 case CMD_TYPE_AUTO_PREAMBLE:
1298 default:
1299 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1300 break;
1301 }
1302
1303 if (priv->radioon)
1304 cmd.control |= cpu_to_le16(TURN_ON_RF);
1305 else
1306 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1307
1308 lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1309 priv->preamble);
1310
1311 ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1312
1313 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1314 return ret;
1315 }
1316
1317 void lbs_set_mac_control(struct lbs_private *priv)
1318 {
1319 struct cmd_ds_mac_control cmd;
1320
1321 lbs_deb_enter(LBS_DEB_CMD);
1322
1323 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1324 cmd.action = cpu_to_le16(priv->mac_control);
1325 cmd.reserved = 0;
1326
1327 lbs_cmd_async(priv, CMD_MAC_CONTROL,
1328 &cmd.hdr, sizeof(cmd));
1329
1330 lbs_deb_leave(LBS_DEB_CMD);
1331 }
1332
1333 /**
1334 * @brief This function prepare the command before send to firmware.
1335 *
1336 * @param priv A pointer to struct lbs_private structure
1337 * @param cmd_no command number
1338 * @param cmd_action command action: GET or SET
1339 * @param wait_option wait option: wait response or not
1340 * @param cmd_oid cmd oid: treated as sub command
1341 * @param pdata_buf A pointer to informaion buffer
1342 * @return 0 or -1
1343 */
1344 int lbs_prepare_and_send_command(struct lbs_private *priv,
1345 u16 cmd_no,
1346 u16 cmd_action,
1347 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1348 {
1349 int ret = 0;
1350 struct cmd_ctrl_node *cmdnode;
1351 struct cmd_ds_command *cmdptr;
1352 unsigned long flags;
1353
1354 lbs_deb_enter(LBS_DEB_HOST);
1355
1356 if (!priv) {
1357 lbs_deb_host("PREP_CMD: priv is NULL\n");
1358 ret = -1;
1359 goto done;
1360 }
1361
1362 if (priv->surpriseremoved) {
1363 lbs_deb_host("PREP_CMD: card removed\n");
1364 ret = -1;
1365 goto done;
1366 }
1367
1368 cmdnode = lbs_get_cmd_ctrl_node(priv);
1369
1370 if (cmdnode == NULL) {
1371 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1372
1373 /* Wake up main thread to execute next command */
1374 wake_up_interruptible(&priv->waitq);
1375 ret = -1;
1376 goto done;
1377 }
1378
1379 lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1380
1381 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1382
1383 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1384
1385 /* Set sequence number, command and INT option */
1386 priv->seqnum++;
1387 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1388
1389 cmdptr->command = cpu_to_le16(cmd_no);
1390 cmdptr->result = 0;
1391
1392 switch (cmd_no) {
1393 case CMD_802_11_PS_MODE:
1394 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1395 break;
1396
1397 case CMD_802_11_ASSOCIATE:
1398 case CMD_802_11_REASSOCIATE:
1399 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1400 break;
1401
1402 case CMD_802_11_DEAUTHENTICATE:
1403 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1404 break;
1405
1406 case CMD_802_11_AD_HOC_START:
1407 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1408 break;
1409
1410 case CMD_802_11_RESET:
1411 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1412 break;
1413
1414 case CMD_802_11_AUTHENTICATE:
1415 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1416 break;
1417
1418 case CMD_802_11_GET_STAT:
1419 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1420 break;
1421
1422 case CMD_802_11_SNMP_MIB:
1423 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1424 cmd_action, cmd_oid, pdata_buf);
1425 break;
1426
1427 case CMD_MAC_REG_ACCESS:
1428 case CMD_BBP_REG_ACCESS:
1429 case CMD_RF_REG_ACCESS:
1430 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1431 break;
1432
1433 case CMD_802_11_RF_TX_POWER:
1434 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1435 cmd_action, pdata_buf);
1436 break;
1437
1438 case CMD_802_11_RATE_ADAPT_RATESET:
1439 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1440 cmdptr, cmd_action);
1441 break;
1442
1443 case CMD_MAC_MULTICAST_ADR:
1444 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1445 break;
1446
1447 case CMD_802_11_MONITOR_MODE:
1448 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1449 cmd_action, pdata_buf);
1450 break;
1451
1452 case CMD_802_11_AD_HOC_JOIN:
1453 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1454 break;
1455
1456 case CMD_802_11_RSSI:
1457 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1458 break;
1459
1460 case CMD_802_11_AD_HOC_STOP:
1461 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1462 break;
1463
1464 case CMD_802_11_MAC_ADDRESS:
1465 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1466 break;
1467
1468 case CMD_802_11_EEPROM_ACCESS:
1469 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1470 cmd_action, pdata_buf);
1471 break;
1472
1473 case CMD_802_11_SET_AFC:
1474 case CMD_802_11_GET_AFC:
1475
1476 cmdptr->command = cpu_to_le16(cmd_no);
1477 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1478 S_DS_GEN);
1479
1480 memmove(&cmdptr->params.afc,
1481 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1482
1483 ret = 0;
1484 goto done;
1485
1486 case CMD_802_11D_DOMAIN_INFO:
1487 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1488 cmd_no, cmd_action);
1489 break;
1490
1491 case CMD_802_11_TPC_CFG:
1492 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1493 cmdptr->size =
1494 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1495 S_DS_GEN);
1496
1497 memmove(&cmdptr->params.tpccfg,
1498 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1499
1500 ret = 0;
1501 break;
1502 case CMD_802_11_LED_GPIO_CTRL:
1503 {
1504 struct mrvlietypes_ledgpio *gpio =
1505 (struct mrvlietypes_ledgpio*)
1506 cmdptr->params.ledgpio.data;
1507
1508 memmove(&cmdptr->params.ledgpio,
1509 pdata_buf,
1510 sizeof(struct cmd_ds_802_11_led_ctrl));
1511
1512 cmdptr->command =
1513 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1514
1515 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1516 cmdptr->size =
1517 cpu_to_le16(le16_to_cpu(gpio->header.len)
1518 + S_DS_GEN
1519 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1520 gpio->header.len = gpio->header.len;
1521
1522 ret = 0;
1523 break;
1524 }
1525
1526 case CMD_802_11_PWR_CFG:
1527 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1528 cmdptr->size =
1529 cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1530 S_DS_GEN);
1531 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1532 sizeof(struct cmd_ds_802_11_pwr_cfg));
1533
1534 ret = 0;
1535 break;
1536 case CMD_BT_ACCESS:
1537 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1538 break;
1539
1540 case CMD_FWT_ACCESS:
1541 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1542 break;
1543
1544 case CMD_GET_TSF:
1545 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1546 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1547 S_DS_GEN);
1548 ret = 0;
1549 break;
1550 case CMD_802_11_BEACON_CTRL:
1551 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1552 break;
1553 default:
1554 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1555 ret = -1;
1556 break;
1557 }
1558
1559 /* return error, since the command preparation failed */
1560 if (ret != 0) {
1561 lbs_deb_host("PREP_CMD: command preparation failed\n");
1562 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1563 ret = -1;
1564 goto done;
1565 }
1566
1567 cmdnode->cmdwaitqwoken = 0;
1568
1569 lbs_queue_cmd(priv, cmdnode);
1570 wake_up_interruptible(&priv->waitq);
1571
1572 if (wait_option & CMD_OPTION_WAITFORRSP) {
1573 lbs_deb_host("PREP_CMD: wait for response\n");
1574 might_sleep();
1575 wait_event_interruptible(cmdnode->cmdwait_q,
1576 cmdnode->cmdwaitqwoken);
1577 }
1578
1579 spin_lock_irqsave(&priv->driver_lock, flags);
1580 if (priv->cur_cmd_retcode) {
1581 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1582 priv->cur_cmd_retcode);
1583 priv->cur_cmd_retcode = 0;
1584 ret = -1;
1585 }
1586 spin_unlock_irqrestore(&priv->driver_lock, flags);
1587
1588 done:
1589 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1590 return ret;
1591 }
1592
1593 /**
1594 * @brief This function allocates the command buffer and link
1595 * it to command free queue.
1596 *
1597 * @param priv A pointer to struct lbs_private structure
1598 * @return 0 or -1
1599 */
1600 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1601 {
1602 int ret = 0;
1603 u32 bufsize;
1604 u32 i;
1605 struct cmd_ctrl_node *cmdarray;
1606
1607 lbs_deb_enter(LBS_DEB_HOST);
1608
1609 /* Allocate and initialize the command array */
1610 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1611 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1612 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1613 ret = -1;
1614 goto done;
1615 }
1616 priv->cmd_array = cmdarray;
1617
1618 /* Allocate and initialize each command buffer in the command array */
1619 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1620 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1621 if (!cmdarray[i].cmdbuf) {
1622 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1623 ret = -1;
1624 goto done;
1625 }
1626 }
1627
1628 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1629 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1630 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1631 }
1632 ret = 0;
1633
1634 done:
1635 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1636 return ret;
1637 }
1638
1639 /**
1640 * @brief This function frees the command buffer.
1641 *
1642 * @param priv A pointer to struct lbs_private structure
1643 * @return 0 or -1
1644 */
1645 int lbs_free_cmd_buffer(struct lbs_private *priv)
1646 {
1647 struct cmd_ctrl_node *cmdarray;
1648 unsigned int i;
1649
1650 lbs_deb_enter(LBS_DEB_HOST);
1651
1652 /* need to check if cmd array is allocated or not */
1653 if (priv->cmd_array == NULL) {
1654 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1655 goto done;
1656 }
1657
1658 cmdarray = priv->cmd_array;
1659
1660 /* Release shared memory buffers */
1661 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1662 if (cmdarray[i].cmdbuf) {
1663 kfree(cmdarray[i].cmdbuf);
1664 cmdarray[i].cmdbuf = NULL;
1665 }
1666 }
1667
1668 /* Release cmd_ctrl_node */
1669 if (priv->cmd_array) {
1670 kfree(priv->cmd_array);
1671 priv->cmd_array = NULL;
1672 }
1673
1674 done:
1675 lbs_deb_leave(LBS_DEB_HOST);
1676 return 0;
1677 }
1678
1679 /**
1680 * @brief This function gets a free command node if available in
1681 * command free queue.
1682 *
1683 * @param priv A pointer to struct lbs_private structure
1684 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1685 */
1686 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1687 {
1688 struct cmd_ctrl_node *tempnode;
1689 unsigned long flags;
1690
1691 lbs_deb_enter(LBS_DEB_HOST);
1692
1693 if (!priv)
1694 return NULL;
1695
1696 spin_lock_irqsave(&priv->driver_lock, flags);
1697
1698 if (!list_empty(&priv->cmdfreeq)) {
1699 tempnode = list_first_entry(&priv->cmdfreeq,
1700 struct cmd_ctrl_node, list);
1701 list_del(&tempnode->list);
1702 } else {
1703 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1704 tempnode = NULL;
1705 }
1706
1707 spin_unlock_irqrestore(&priv->driver_lock, flags);
1708
1709 lbs_deb_leave(LBS_DEB_HOST);
1710 return tempnode;
1711 }
1712
1713 /**
1714 * @brief This function cleans command node.
1715 *
1716 * @param ptempnode A pointer to cmdCtrlNode structure
1717 * @return n/a
1718 */
1719
1720 /**
1721 * @brief This function initializes the command node.
1722 *
1723 * @param priv A pointer to struct lbs_private structure
1724 * @param ptempnode A pointer to cmd_ctrl_node structure
1725 * @param pdata_buf A pointer to informaion buffer
1726 * @return 0 or -1
1727 */
1728 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1729 struct cmd_ctrl_node *ptempnode,
1730 void *pdata_buf)
1731 {
1732 lbs_deb_enter(LBS_DEB_HOST);
1733
1734 if (!ptempnode)
1735 return;
1736
1737 ptempnode->callback = NULL;
1738 ptempnode->callback_arg = (unsigned long)pdata_buf;
1739
1740 lbs_deb_leave(LBS_DEB_HOST);
1741 }
1742
1743 /**
1744 * @brief This function executes next command in command
1745 * pending queue. It will put fimware back to PS mode
1746 * if applicable.
1747 *
1748 * @param priv A pointer to struct lbs_private structure
1749 * @return 0 or -1
1750 */
1751 int lbs_execute_next_command(struct lbs_private *priv)
1752 {
1753 struct cmd_ctrl_node *cmdnode = NULL;
1754 struct cmd_header *cmd;
1755 unsigned long flags;
1756 int ret = 0;
1757
1758 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1759 * only caller to us is lbs_thread() and we get even when a
1760 * data packet is received */
1761 lbs_deb_enter(LBS_DEB_THREAD);
1762
1763 spin_lock_irqsave(&priv->driver_lock, flags);
1764
1765 if (priv->cur_cmd) {
1766 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1767 spin_unlock_irqrestore(&priv->driver_lock, flags);
1768 ret = -1;
1769 goto done;
1770 }
1771
1772 if (!list_empty(&priv->cmdpendingq)) {
1773 cmdnode = list_first_entry(&priv->cmdpendingq,
1774 struct cmd_ctrl_node, list);
1775 }
1776
1777 spin_unlock_irqrestore(&priv->driver_lock, flags);
1778
1779 if (cmdnode) {
1780 cmd = cmdnode->cmdbuf;
1781
1782 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1783 if ((priv->psstate == PS_STATE_SLEEP) ||
1784 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1785 lbs_deb_host(
1786 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1787 le16_to_cpu(cmd->command),
1788 priv->psstate);
1789 ret = -1;
1790 goto done;
1791 }
1792 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1793 "0x%04x in psstate %d\n",
1794 le16_to_cpu(cmd->command), priv->psstate);
1795 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1796 /*
1797 * 1. Non-PS command:
1798 * Queue it. set needtowakeup to TRUE if current state
1799 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1800 * 2. PS command but not Exit_PS:
1801 * Ignore it.
1802 * 3. PS command Exit_PS:
1803 * Set needtowakeup to TRUE if current state is SLEEP,
1804 * otherwise send this command down to firmware
1805 * immediately.
1806 */
1807 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1808 /* Prepare to send Exit PS,
1809 * this non PS command will be sent later */
1810 if ((priv->psstate == PS_STATE_SLEEP)
1811 || (priv->psstate == PS_STATE_PRE_SLEEP)
1812 ) {
1813 /* w/ new scheme, it will not reach here.
1814 since it is blocked in main_thread. */
1815 priv->needtowakeup = 1;
1816 } else
1817 lbs_ps_wakeup(priv, 0);
1818
1819 ret = 0;
1820 goto done;
1821 } else {
1822 /*
1823 * PS command. Ignore it if it is not Exit_PS.
1824 * otherwise send it down immediately.
1825 */
1826 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1827
1828 lbs_deb_host(
1829 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1830 psm->action);
1831 if (psm->action !=
1832 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1833 lbs_deb_host(
1834 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1835 list_del(&cmdnode->list);
1836 spin_lock_irqsave(&priv->driver_lock, flags);
1837 lbs_complete_command(priv, cmdnode, 0);
1838 spin_unlock_irqrestore(&priv->driver_lock, flags);
1839
1840 ret = 0;
1841 goto done;
1842 }
1843
1844 if ((priv->psstate == PS_STATE_SLEEP) ||
1845 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1846 lbs_deb_host(
1847 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1848 list_del(&cmdnode->list);
1849 spin_lock_irqsave(&priv->driver_lock, flags);
1850 lbs_complete_command(priv, cmdnode, 0);
1851 spin_unlock_irqrestore(&priv->driver_lock, flags);
1852 priv->needtowakeup = 1;
1853
1854 ret = 0;
1855 goto done;
1856 }
1857
1858 lbs_deb_host(
1859 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1860 }
1861 }
1862 list_del(&cmdnode->list);
1863 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1864 le16_to_cpu(cmd->command));
1865 lbs_submit_command(priv, cmdnode);
1866 } else {
1867 /*
1868 * check if in power save mode, if yes, put the device back
1869 * to PS mode
1870 */
1871 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1872 (priv->psstate == PS_STATE_FULL_POWER) &&
1873 ((priv->connect_status == LBS_CONNECTED) ||
1874 (priv->mesh_connect_status == LBS_CONNECTED))) {
1875 if (priv->secinfo.WPAenabled ||
1876 priv->secinfo.WPA2enabled) {
1877 /* check for valid WPA group keys */
1878 if (priv->wpa_mcast_key.len ||
1879 priv->wpa_unicast_key.len) {
1880 lbs_deb_host(
1881 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1882 " go back to PS_SLEEP");
1883 lbs_ps_sleep(priv, 0);
1884 }
1885 } else {
1886 lbs_deb_host(
1887 "EXEC_NEXT_CMD: cmdpendingq empty, "
1888 "go back to PS_SLEEP");
1889 lbs_ps_sleep(priv, 0);
1890 }
1891 }
1892 }
1893
1894 ret = 0;
1895 done:
1896 lbs_deb_leave(LBS_DEB_THREAD);
1897 return ret;
1898 }
1899
1900 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1901 {
1902 union iwreq_data iwrq;
1903 u8 buf[50];
1904
1905 lbs_deb_enter(LBS_DEB_WEXT);
1906
1907 memset(&iwrq, 0, sizeof(union iwreq_data));
1908 memset(buf, 0, sizeof(buf));
1909
1910 snprintf(buf, sizeof(buf) - 1, "%s", str);
1911
1912 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1913
1914 /* Send Event to upper layer */
1915 lbs_deb_wext("event indication string %s\n", (char *)buf);
1916 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1917 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1918
1919 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1920
1921 lbs_deb_leave(LBS_DEB_WEXT);
1922 }
1923
1924 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1925 {
1926 unsigned long flags;
1927 int ret = 0;
1928
1929 lbs_deb_enter(LBS_DEB_HOST);
1930 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1931
1932 ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1933
1934 spin_lock_irqsave(&priv->driver_lock, flags);
1935 if (priv->intcounter || priv->currenttxskb)
1936 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1937 priv->intcounter, priv->currenttxskb);
1938 spin_unlock_irqrestore(&priv->driver_lock, flags);
1939
1940 if (ret) {
1941 lbs_pr_alert(
1942 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1943 } else {
1944 spin_lock_irqsave(&priv->driver_lock, flags);
1945 if (!priv->intcounter) {
1946 priv->psstate = PS_STATE_SLEEP;
1947 } else {
1948 lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1949 priv->intcounter);
1950 }
1951 spin_unlock_irqrestore(&priv->driver_lock, flags);
1952 }
1953
1954 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1955 return ret;
1956 }
1957
1958 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1959 {
1960 lbs_deb_enter(LBS_DEB_HOST);
1961
1962 /*
1963 * PS is currently supported only in Infrastructure mode
1964 * Remove this check if it is to be supported in IBSS mode also
1965 */
1966
1967 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1968 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1969
1970 lbs_deb_leave(LBS_DEB_HOST);
1971 }
1972
1973 /**
1974 * @brief This function sends Exit_PS command to firmware.
1975 *
1976 * @param priv A pointer to struct lbs_private structure
1977 * @param wait_option wait response or not
1978 * @return n/a
1979 */
1980 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1981 {
1982 __le32 Localpsmode;
1983
1984 lbs_deb_enter(LBS_DEB_HOST);
1985
1986 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1987
1988 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1989 CMD_SUBCMD_EXIT_PS,
1990 wait_option, 0, &Localpsmode);
1991
1992 lbs_deb_leave(LBS_DEB_HOST);
1993 }
1994
1995 /**
1996 * @brief This function checks condition and prepares to
1997 * send sleep confirm command to firmware if ok.
1998 *
1999 * @param priv A pointer to struct lbs_private structure
2000 * @param psmode Power Saving mode
2001 * @return n/a
2002 */
2003 void lbs_ps_confirm_sleep(struct lbs_private *priv)
2004 {
2005 unsigned long flags =0;
2006 int allowed = 1;
2007
2008 lbs_deb_enter(LBS_DEB_HOST);
2009
2010 if (priv->dnld_sent) {
2011 allowed = 0;
2012 lbs_deb_host("dnld_sent was set\n");
2013 }
2014
2015 spin_lock_irqsave(&priv->driver_lock, flags);
2016 if (priv->cur_cmd) {
2017 allowed = 0;
2018 lbs_deb_host("cur_cmd was set\n");
2019 }
2020 if (priv->intcounter > 0) {
2021 allowed = 0;
2022 lbs_deb_host("intcounter %d\n", priv->intcounter);
2023 }
2024 spin_unlock_irqrestore(&priv->driver_lock, flags);
2025
2026 if (allowed) {
2027 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2028 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2029 sizeof(struct PS_CMD_ConfirmSleep));
2030 } else {
2031 lbs_deb_host("sleep confirm has been delayed\n");
2032 }
2033
2034 lbs_deb_leave(LBS_DEB_HOST);
2035 }
2036
2037
2038 static struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
2039 uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
2040 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2041 unsigned long callback_arg)
2042 {
2043 struct cmd_ctrl_node *cmdnode;
2044
2045 lbs_deb_enter(LBS_DEB_HOST);
2046
2047 if (priv->surpriseremoved) {
2048 lbs_deb_host("PREP_CMD: card removed\n");
2049 cmdnode = ERR_PTR(-ENOENT);
2050 goto done;
2051 }
2052
2053 cmdnode = lbs_get_cmd_ctrl_node(priv);
2054 if (cmdnode == NULL) {
2055 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2056
2057 /* Wake up main thread to execute next command */
2058 wake_up_interruptible(&priv->waitq);
2059 cmdnode = ERR_PTR(-ENOBUFS);
2060 goto done;
2061 }
2062
2063 cmdnode->callback = callback;
2064 cmdnode->callback_arg = callback_arg;
2065
2066 /* Copy the incoming command to the buffer */
2067 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2068
2069 /* Set sequence number, clean result, move to buffer */
2070 priv->seqnum++;
2071 cmdnode->cmdbuf->command = cpu_to_le16(command);
2072 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
2073 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
2074 cmdnode->cmdbuf->result = 0;
2075
2076 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2077
2078 cmdnode->cmdwaitqwoken = 0;
2079 lbs_queue_cmd(priv, cmdnode);
2080 wake_up_interruptible(&priv->waitq);
2081
2082 done:
2083 lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2084 return cmdnode;
2085 }
2086
2087 void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2088 struct cmd_header *in_cmd, int in_cmd_size)
2089 {
2090 lbs_deb_enter(LBS_DEB_CMD);
2091 __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2092 lbs_cmd_async_callback, 0);
2093 lbs_deb_leave(LBS_DEB_CMD);
2094 }
2095
2096 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2097 struct cmd_header *in_cmd, int in_cmd_size,
2098 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2099 unsigned long callback_arg)
2100 {
2101 struct cmd_ctrl_node *cmdnode;
2102 unsigned long flags;
2103 int ret = 0;
2104
2105 lbs_deb_enter(LBS_DEB_HOST);
2106
2107 cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2108 callback, callback_arg);
2109 if (IS_ERR(cmdnode)) {
2110 ret = PTR_ERR(cmdnode);
2111 goto done;
2112 }
2113
2114 might_sleep();
2115 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2116
2117 spin_lock_irqsave(&priv->driver_lock, flags);
2118 ret = cmdnode->result;
2119 if (ret)
2120 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2121 command, ret);
2122
2123 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2124 spin_unlock_irqrestore(&priv->driver_lock, flags);
2125
2126 done:
2127 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2128 return ret;
2129 }
2130 EXPORT_SYMBOL_GPL(__lbs_cmd);
2131
2132
Linux kernel - Deliverables
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