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libertas: remove CMD_802_11_PWR_CFG
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / net / wireless / libertas / cmd.c
blobf3e0818d94a3ce1f8963b57f8940a8986a6ac809
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
18
19 /**
20 * @brief Simple callback that copies response back into command
21 *
22 * @param priv A pointer to struct lbs_private structure
23 * @param extra A pointer to the original command structure for which
24 * 'resp' is a response
25 * @param resp A pointer to the command response
26 *
27 * @return 0 on success, error on failure
28 */
29 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
30 struct cmd_header *resp)
31 {
32 struct cmd_header *buf = (void *)extra;
33 uint16_t copy_len;
34
35 copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
36 memcpy(buf, resp, copy_len);
37 return 0;
38 }
39 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
40
41 /**
42 * @brief Simple callback that ignores the result. Use this if
43 * you just want to send a command to the hardware, but don't
44 * care for the result.
45 *
46 * @param priv ignored
47 * @param extra ignored
48 * @param resp ignored
49 *
50 * @return 0 for success
51 */
52 static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
53 struct cmd_header *resp)
54 {
55 return 0;
56 }
57
58
59 /**
60 * @brief Checks whether a command is allowed in Power Save mode
61 *
62 * @param command the command ID
63 * @return 1 if allowed, 0 if not allowed
64 */
65 static u8 is_command_allowed_in_ps(u16 cmd)
66 {
67 switch (cmd) {
68 case CMD_802_11_RSSI:
69 return 1;
70 default:
71 break;
72 }
73 return 0;
74 }
75
76 /**
77 * @brief Updates the hardware details like MAC address and regulatory region
78 *
79 * @param priv A pointer to struct lbs_private structure
80 *
81 * @return 0 on success, error on failure
82 */
83 int lbs_update_hw_spec(struct lbs_private *priv)
84 {
85 struct cmd_ds_get_hw_spec cmd;
86 int ret = -1;
87 u32 i;
88 DECLARE_MAC_BUF(mac);
89
90 lbs_deb_enter(LBS_DEB_CMD);
91
92 memset(&cmd, 0, sizeof(cmd));
93 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
94 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
95 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
96 if (ret)
97 goto out;
98
99 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
100
101 /* The firmware release is in an interesting format: the patch
102 * level is in the most significant nibble ... so fix that: */
103 priv->fwrelease = le32_to_cpu(cmd.fwrelease);
104 priv->fwrelease = (priv->fwrelease << 8) |
105 (priv->fwrelease >> 24 & 0xff);
106
107 /* Some firmware capabilities:
108 * CF card firmware 5.0.16p0: cap 0x00000303
109 * USB dongle firmware 5.110.17p2: cap 0x00000303
110 */
111 printk("libertas: %s, fw %u.%u.%up%u, cap 0x%08x\n",
112 print_mac(mac, cmd.permanentaddr),
113 priv->fwrelease >> 24 & 0xff,
114 priv->fwrelease >> 16 & 0xff,
115 priv->fwrelease >> 8 & 0xff,
116 priv->fwrelease & 0xff,
117 priv->fwcapinfo);
118 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
119 cmd.hwifversion, cmd.version);
120
121 /* Clamp region code to 8-bit since FW spec indicates that it should
122 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
123 * returns non-zero high 8 bits here.
124 */
125 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
126
127 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
128 /* use the region code to search for the index */
129 if (priv->regioncode == lbs_region_code_to_index[i])
130 break;
131 }
132
133 /* if it's unidentified region code, use the default (USA) */
134 if (i >= MRVDRV_MAX_REGION_CODE) {
135 priv->regioncode = 0x10;
136 lbs_pr_info("unidentified region code; using the default (USA)\n");
137 }
138
139 if (priv->current_addr[0] == 0xff)
140 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
141
142 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
143 if (priv->mesh_dev)
144 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
145
146 if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
147 ret = -1;
148 goto out;
149 }
150
151 if (lbs_set_universaltable(priv, 0)) {
152 ret = -1;
153 goto out;
154 }
155
156 out:
157 lbs_deb_leave(LBS_DEB_CMD);
158 return ret;
159 }
160
161 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
162 {
163 struct cmd_ds_host_sleep cmd_config;
164 int ret;
165
166 cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
167 cmd_config.criteria = cpu_to_le32(criteria);
168 cmd_config.gpio = priv->wol_gpio;
169 cmd_config.gap = priv->wol_gap;
170
171 ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
172 if (!ret) {
173 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
174 priv->wol_criteria = criteria;
175 } else {
176 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
177 }
178
179 return ret;
180 }
181 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
182
183 static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd,
184 u16 cmd_action)
185 {
186 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
187
188 lbs_deb_enter(LBS_DEB_CMD);
189
190 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
191 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
192 S_DS_GEN);
193 psm->action = cpu_to_le16(cmd_action);
194 psm->multipledtim = 0;
195 switch (cmd_action) {
196 case CMD_SUBCMD_ENTER_PS:
197 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
198
199 psm->locallisteninterval = 0;
200 psm->nullpktinterval = 0;
201 psm->multipledtim =
202 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
203 break;
204
205 case CMD_SUBCMD_EXIT_PS:
206 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
207 break;
208
209 case CMD_SUBCMD_SLEEP_CONFIRMED:
210 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
211 break;
212
213 default:
214 break;
215 }
216
217 lbs_deb_leave(LBS_DEB_CMD);
218 return 0;
219 }
220
221 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
222 uint16_t cmd_action, uint16_t *timeout)
223 {
224 struct cmd_ds_802_11_inactivity_timeout cmd;
225 int ret;
226
227 lbs_deb_enter(LBS_DEB_CMD);
228
229 cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
230 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
231
232 cmd.action = cpu_to_le16(cmd_action);
233
234 if (cmd_action == CMD_ACT_SET)
235 cmd.timeout = cpu_to_le16(*timeout);
236 else
237 cmd.timeout = 0;
238
239 ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
240
241 if (!ret)
242 *timeout = le16_to_cpu(cmd.timeout);
243
244 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
245 return 0;
246 }
247
248 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
249 struct sleep_params *sp)
250 {
251 struct cmd_ds_802_11_sleep_params cmd;
252 int ret;
253
254 lbs_deb_enter(LBS_DEB_CMD);
255
256 if (cmd_action == CMD_ACT_GET) {
257 memset(&cmd, 0, sizeof(cmd));
258 } else {
259 cmd.error = cpu_to_le16(sp->sp_error);
260 cmd.offset = cpu_to_le16(sp->sp_offset);
261 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
262 cmd.calcontrol = sp->sp_calcontrol;
263 cmd.externalsleepclk = sp->sp_extsleepclk;
264 cmd.reserved = cpu_to_le16(sp->sp_reserved);
265 }
266 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
267 cmd.action = cpu_to_le16(cmd_action);
268
269 ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
270
271 if (!ret) {
272 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
273 "calcontrol 0x%x extsleepclk 0x%x\n",
274 le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
275 le16_to_cpu(cmd.stabletime), cmd.calcontrol,
276 cmd.externalsleepclk);
277
278 sp->sp_error = le16_to_cpu(cmd.error);
279 sp->sp_offset = le16_to_cpu(cmd.offset);
280 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
281 sp->sp_calcontrol = cmd.calcontrol;
282 sp->sp_extsleepclk = cmd.externalsleepclk;
283 sp->sp_reserved = le16_to_cpu(cmd.reserved);
284 }
285
286 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
287 return 0;
288 }
289
290 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
291 struct assoc_request *assoc)
292 {
293 struct cmd_ds_802_11_set_wep cmd;
294 int ret = 0;
295
296 lbs_deb_enter(LBS_DEB_CMD);
297
298 cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
299 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
300
301 cmd.action = cpu_to_le16(cmd_action);
302
303 if (cmd_action == CMD_ACT_ADD) {
304 int i;
305
306 /* default tx key index */
307 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
308 CMD_WEP_KEY_INDEX_MASK);
309
310 /* Copy key types and material to host command structure */
311 for (i = 0; i < 4; i++) {
312 struct enc_key *pkey = &assoc->wep_keys[i];
313
314 switch (pkey->len) {
315 case KEY_LEN_WEP_40:
316 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
317 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
318 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
319 break;
320 case KEY_LEN_WEP_104:
321 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
322 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
323 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
324 break;
325 case 0:
326 break;
327 default:
328 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
329 i, pkey->len);
330 ret = -1;
331 goto done;
332 break;
333 }
334 }
335 } else if (cmd_action == CMD_ACT_REMOVE) {
336 /* ACT_REMOVE clears _all_ WEP keys */
337
338 /* default tx key index */
339 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
340 CMD_WEP_KEY_INDEX_MASK);
341 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
342 }
343
344 ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
345 done:
346 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
347 return ret;
348 }
349
350 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
351 uint16_t *enable)
352 {
353 struct cmd_ds_802_11_enable_rsn cmd;
354 int ret;
355
356 lbs_deb_enter(LBS_DEB_CMD);
357
358 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
359 cmd.action = cpu_to_le16(cmd_action);
360
361 if (cmd_action == CMD_ACT_SET) {
362 if (*enable)
363 cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
364 else
365 cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
366 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
367 }
368
369 ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
370 if (!ret && cmd_action == CMD_ACT_GET)
371 *enable = le16_to_cpu(cmd.enable);
372
373 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
374 return ret;
375 }
376
377 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
378 struct enc_key *key)
379 {
380 lbs_deb_enter(LBS_DEB_CMD);
381
382 if (key->flags & KEY_INFO_WPA_ENABLED)
383 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
384 if (key->flags & KEY_INFO_WPA_UNICAST)
385 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
386 if (key->flags & KEY_INFO_WPA_MCAST)
387 keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
388
389 keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
390 keyparam->keytypeid = cpu_to_le16(key->type);
391 keyparam->keylen = cpu_to_le16(key->len);
392 memcpy(keyparam->key, key->key, key->len);
393
394 /* Length field doesn't include the {type,length} header */
395 keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
396 lbs_deb_leave(LBS_DEB_CMD);
397 }
398
399 int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
400 struct assoc_request *assoc)
401 {
402 struct cmd_ds_802_11_key_material cmd;
403 int ret = 0;
404 int index = 0;
405
406 lbs_deb_enter(LBS_DEB_CMD);
407
408 cmd.action = cpu_to_le16(cmd_action);
409 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
410
411 if (cmd_action == CMD_ACT_GET) {
412 cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
413 } else {
414 memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
415
416 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
417 set_one_wpa_key(&cmd.keyParamSet[index],
418 &assoc->wpa_unicast_key);
419 index++;
420 }
421
422 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
423 set_one_wpa_key(&cmd.keyParamSet[index],
424 &assoc->wpa_mcast_key);
425 index++;
426 }
427
428 /* The common header and as many keys as we included */
429 cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
430 keyParamSet[index]));
431 }
432 ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
433 /* Copy the returned key to driver private data */
434 if (!ret && cmd_action == CMD_ACT_GET) {
435 void *buf_ptr = cmd.keyParamSet;
436 void *resp_end = &(&cmd)[1];
437
438 while (buf_ptr < resp_end) {
439 struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
440 struct enc_key *key;
441 uint16_t param_set_len = le16_to_cpu(keyparam->length);
442 uint16_t key_len = le16_to_cpu(keyparam->keylen);
443 uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
444 uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
445 void *end;
446
447 end = (void *)keyparam + sizeof(keyparam->type)
448 + sizeof(keyparam->length) + param_set_len;
449
450 /* Make sure we don't access past the end of the IEs */
451 if (end > resp_end)
452 break;
453
454 if (key_flags & KEY_INFO_WPA_UNICAST)
455 key = &priv->wpa_unicast_key;
456 else if (key_flags & KEY_INFO_WPA_MCAST)
457 key = &priv->wpa_mcast_key;
458 else
459 break;
460
461 /* Copy returned key into driver */
462 memset(key, 0, sizeof(struct enc_key));
463 if (key_len > sizeof(key->key))
464 break;
465 key->type = key_type;
466 key->flags = key_flags;
467 key->len = key_len;
468 memcpy(key->key, keyparam->key, key->len);
469
470 buf_ptr = end + 1;
471 }
472 }
473
474 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
475 return ret;
476 }
477
478 static int lbs_cmd_802_11_reset(struct cmd_ds_command *cmd, int cmd_action)
479 {
480 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
481
482 lbs_deb_enter(LBS_DEB_CMD);
483
484 cmd->command = cpu_to_le16(CMD_802_11_RESET);
485 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
486 reset->action = cpu_to_le16(cmd_action);
487
488 lbs_deb_leave(LBS_DEB_CMD);
489 return 0;
490 }
491
492 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
493 struct cmd_ds_command *cmd,
494 int cmd_action,
495 int cmd_oid, void *pdata_buf)
496 {
497 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
498 u8 ucTemp;
499
500 lbs_deb_enter(LBS_DEB_CMD);
501
502 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
503
504 cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
505 cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
506
507 switch (cmd_oid) {
508 case OID_802_11_INFRASTRUCTURE_MODE:
509 {
510 u8 mode = (u8) (size_t) pdata_buf;
511 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
512 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
513 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
514 if (mode == IW_MODE_ADHOC) {
515 ucTemp = SNMP_MIB_VALUE_ADHOC;
516 } else {
517 /* Infra and Auto modes */
518 ucTemp = SNMP_MIB_VALUE_INFRA;
519 }
520
521 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
522
523 break;
524 }
525
526 case OID_802_11D_ENABLE:
527 {
528 u32 ulTemp;
529
530 pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
531
532 if (cmd_action == CMD_ACT_SET) {
533 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
534 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
535 ulTemp = *(u32 *)pdata_buf;
536 *((__le16 *)(pSNMPMIB->value)) =
537 cpu_to_le16((u16) ulTemp);
538 }
539 break;
540 }
541
542 case OID_802_11_FRAGMENTATION_THRESHOLD:
543 {
544 u32 ulTemp;
545
546 pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
547
548 if (cmd_action == CMD_ACT_GET) {
549 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
550 } else if (cmd_action == CMD_ACT_SET) {
551 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
552 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
553 ulTemp = *((u32 *) pdata_buf);
554 *((__le16 *)(pSNMPMIB->value)) =
555 cpu_to_le16((u16) ulTemp);
556
557 }
558
559 break;
560 }
561
562 case OID_802_11_RTS_THRESHOLD:
563 {
564
565 u32 ulTemp;
566 pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
567
568 if (cmd_action == CMD_ACT_GET) {
569 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
570 } else if (cmd_action == CMD_ACT_SET) {
571 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
572 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
573 ulTemp = *((u32 *)pdata_buf);
574 *(__le16 *)(pSNMPMIB->value) =
575 cpu_to_le16((u16) ulTemp);
576
577 }
578 break;
579 }
580 case OID_802_11_TX_RETRYCOUNT:
581 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
582
583 if (cmd_action == CMD_ACT_GET) {
584 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
585 } else if (cmd_action == CMD_ACT_SET) {
586 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
587 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
588 *((__le16 *)(pSNMPMIB->value)) =
589 cpu_to_le16((u16) priv->txretrycount);
590 }
591
592 break;
593 default:
594 break;
595 }
596
597 lbs_deb_cmd(
598 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
599 le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
600 le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
601
602 lbs_deb_cmd(
603 "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
604 le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
605 le16_to_cpu(pSNMPMIB->bufsize),
606 le16_to_cpu(*(__le16 *) pSNMPMIB->value));
607
608 lbs_deb_leave(LBS_DEB_CMD);
609 return 0;
610 }
611
612 static int lbs_cmd_802_11_rf_tx_power(struct cmd_ds_command *cmd,
613 u16 cmd_action, void *pdata_buf)
614 {
615
616 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
617
618 lbs_deb_enter(LBS_DEB_CMD);
619
620 cmd->size =
621 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
622 cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
623 prtp->action = cpu_to_le16(cmd_action);
624
625 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
626 le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
627 le16_to_cpu(prtp->action));
628
629 switch (cmd_action) {
630 case CMD_ACT_TX_POWER_OPT_GET:
631 prtp->action = cpu_to_le16(CMD_ACT_GET);
632 prtp->currentlevel = 0;
633 break;
634
635 case CMD_ACT_TX_POWER_OPT_SET_HIGH:
636 prtp->action = cpu_to_le16(CMD_ACT_SET);
637 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
638 break;
639
640 case CMD_ACT_TX_POWER_OPT_SET_MID:
641 prtp->action = cpu_to_le16(CMD_ACT_SET);
642 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
643 break;
644
645 case CMD_ACT_TX_POWER_OPT_SET_LOW:
646 prtp->action = cpu_to_le16(CMD_ACT_SET);
647 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
648 break;
649 }
650
651 lbs_deb_leave(LBS_DEB_CMD);
652 return 0;
653 }
654
655 static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd,
656 u16 cmd_action, void *pdata_buf)
657 {
658 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
659
660 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
661 cmd->size =
662 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
663 S_DS_GEN);
664
665 monitor->action = cpu_to_le16(cmd_action);
666 if (cmd_action == CMD_ACT_SET) {
667 monitor->mode =
668 cpu_to_le16((u16) (*(u32 *) pdata_buf));
669 }
670
671 return 0;
672 }
673
674 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
675 struct cmd_ds_command *cmd,
676 u16 cmd_action)
677 {
678 struct cmd_ds_802_11_rate_adapt_rateset
679 *rateadapt = &cmd->params.rateset;
680
681 lbs_deb_enter(LBS_DEB_CMD);
682 cmd->size =
683 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
684 + S_DS_GEN);
685 cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
686
687 rateadapt->action = cpu_to_le16(cmd_action);
688 rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
689 rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
690
691 lbs_deb_leave(LBS_DEB_CMD);
692 return 0;
693 }
694
695 /**
696 * @brief Get the current data rate
697 *
698 * @param priv A pointer to struct lbs_private structure
699 *
700 * @return The data rate on success, error on failure
701 */
702 int lbs_get_data_rate(struct lbs_private *priv)
703 {
704 struct cmd_ds_802_11_data_rate cmd;
705 int ret = -1;
706
707 lbs_deb_enter(LBS_DEB_CMD);
708
709 memset(&cmd, 0, sizeof(cmd));
710 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
711 cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
712
713 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
714 if (ret)
715 goto out;
716
717 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
718
719 ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
720 lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
721
722 out:
723 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
724 return ret;
725 }
726
727 /**
728 * @brief Set the data rate
729 *
730 * @param priv A pointer to struct lbs_private structure
731 * @param rate The desired data rate, or 0 to clear a locked rate
732 *
733 * @return 0 on success, error on failure
734 */
735 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
736 {
737 struct cmd_ds_802_11_data_rate cmd;
738 int ret = 0;
739
740 lbs_deb_enter(LBS_DEB_CMD);
741
742 memset(&cmd, 0, sizeof(cmd));
743 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
744
745 if (rate > 0) {
746 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
747 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
748 if (cmd.rates[0] == 0) {
749 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
750 " 0x%02X\n", rate);
751 ret = 0;
752 goto out;
753 }
754 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
755 } else {
756 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
757 lbs_deb_cmd("DATA_RATE: setting auto\n");
758 }
759
760 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
761 if (ret)
762 goto out;
763
764 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
765
766 /* FIXME: get actual rates FW can do if this command actually returns
767 * all data rates supported.
768 */
769 priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
770 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
771
772 out:
773 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
774 return ret;
775 }
776
777 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
778 struct cmd_ds_command *cmd,
779 u16 cmd_action)
780 {
781 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
782
783 lbs_deb_enter(LBS_DEB_CMD);
784 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
785 S_DS_GEN);
786 cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
787
788 lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
789 pMCastAdr->action = cpu_to_le16(cmd_action);
790 pMCastAdr->nr_of_adrs =
791 cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
792 memcpy(pMCastAdr->maclist, priv->multicastlist,
793 priv->nr_of_multicastmacaddr * ETH_ALEN);
794
795 lbs_deb_leave(LBS_DEB_CMD);
796 return 0;
797 }
798
799 /**
800 * @brief Get the radio channel
801 *
802 * @param priv A pointer to struct lbs_private structure
803 *
804 * @return The channel on success, error on failure
805 */
806 int lbs_get_channel(struct lbs_private *priv)
807 {
808 struct cmd_ds_802_11_rf_channel cmd;
809 int ret = 0;
810
811 lbs_deb_enter(LBS_DEB_CMD);
812
813 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
814 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
815
816 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
817 if (ret)
818 goto out;
819
820 ret = le16_to_cpu(cmd.channel);
821 lbs_deb_cmd("current radio channel is %d\n", ret);
822
823 out:
824 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
825 return ret;
826 }
827
828 /**
829 * @brief Set the radio channel
830 *
831 * @param priv A pointer to struct lbs_private structure
832 * @param channel The desired channel, or 0 to clear a locked channel
833 *
834 * @return 0 on success, error on failure
835 */
836 int lbs_set_channel(struct lbs_private *priv, u8 channel)
837 {
838 struct cmd_ds_802_11_rf_channel cmd;
839 u8 old_channel = priv->curbssparams.channel;
840 int ret = 0;
841
842 lbs_deb_enter(LBS_DEB_CMD);
843
844 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
845 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
846 cmd.channel = cpu_to_le16(channel);
847
848 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
849 if (ret)
850 goto out;
851
852 priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
853 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
854 priv->curbssparams.channel);
855
856 out:
857 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
858 return ret;
859 }
860
861 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
862 struct cmd_ds_command *cmd)
863 {
864
865 lbs_deb_enter(LBS_DEB_CMD);
866 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
867 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
868 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
869
870 /* reset Beacon SNR/NF/RSSI values */
871 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
872 priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
873 priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
874 priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
875 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
876 priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
877
878 lbs_deb_leave(LBS_DEB_CMD);
879 return 0;
880 }
881
882 static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
883 u8 cmd_action, void *pdata_buf)
884 {
885 struct lbs_offset_value *offval;
886
887 lbs_deb_enter(LBS_DEB_CMD);
888
889 offval = (struct lbs_offset_value *)pdata_buf;
890
891 switch (le16_to_cpu(cmdptr->command)) {
892 case CMD_MAC_REG_ACCESS:
893 {
894 struct cmd_ds_mac_reg_access *macreg;
895
896 cmdptr->size =
897 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
898 + S_DS_GEN);
899 macreg =
900 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
901 macreg;
902
903 macreg->action = cpu_to_le16(cmd_action);
904 macreg->offset = cpu_to_le16((u16) offval->offset);
905 macreg->value = cpu_to_le32(offval->value);
906
907 break;
908 }
909
910 case CMD_BBP_REG_ACCESS:
911 {
912 struct cmd_ds_bbp_reg_access *bbpreg;
913
914 cmdptr->size =
915 cpu_to_le16(sizeof
916 (struct cmd_ds_bbp_reg_access)
917 + S_DS_GEN);
918 bbpreg =
919 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
920 bbpreg;
921
922 bbpreg->action = cpu_to_le16(cmd_action);
923 bbpreg->offset = cpu_to_le16((u16) offval->offset);
924 bbpreg->value = (u8) offval->value;
925
926 break;
927 }
928
929 case CMD_RF_REG_ACCESS:
930 {
931 struct cmd_ds_rf_reg_access *rfreg;
932
933 cmdptr->size =
934 cpu_to_le16(sizeof
935 (struct cmd_ds_rf_reg_access) +
936 S_DS_GEN);
937 rfreg =
938 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
939 rfreg;
940
941 rfreg->action = cpu_to_le16(cmd_action);
942 rfreg->offset = cpu_to_le16((u16) offval->offset);
943 rfreg->value = (u8) offval->value;
944
945 break;
946 }
947
948 default:
949 break;
950 }
951
952 lbs_deb_leave(LBS_DEB_CMD);
953 return 0;
954 }
955
956 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
957 struct cmd_ds_command *cmd,
958 u16 cmd_action)
959 {
960
961 lbs_deb_enter(LBS_DEB_CMD);
962 cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
963 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
964 S_DS_GEN);
965 cmd->result = 0;
966
967 cmd->params.macadd.action = cpu_to_le16(cmd_action);
968
969 if (cmd_action == CMD_ACT_SET) {
970 memcpy(cmd->params.macadd.macadd,
971 priv->current_addr, ETH_ALEN);
972 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
973 }
974
975 lbs_deb_leave(LBS_DEB_CMD);
976 return 0;
977 }
978
979 static int lbs_cmd_802_11_eeprom_access(struct cmd_ds_command *cmd,
980 void *pdata_buf)
981 {
982 struct lbs_ioctl_regrdwr *ea = pdata_buf;
983
984 lbs_deb_enter(LBS_DEB_CMD);
985
986 cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
987 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
988 S_DS_GEN);
989 cmd->result = 0;
990
991 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
992 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
993 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
994 cmd->params.rdeeprom.value = 0;
995
996 lbs_deb_leave(LBS_DEB_CMD);
997 return 0;
998 }
999
1000 static int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
1001 u16 cmd_action, void *pdata_buf)
1002 {
1003 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1004 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1005
1006 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1007 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1008 cmd->result = 0;
1009 bt_access->action = cpu_to_le16(cmd_action);
1010
1011 switch (cmd_action) {
1012 case CMD_ACT_BT_ACCESS_ADD:
1013 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1014 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1015 break;
1016 case CMD_ACT_BT_ACCESS_DEL:
1017 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1018 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1019 break;
1020 case CMD_ACT_BT_ACCESS_LIST:
1021 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1022 break;
1023 case CMD_ACT_BT_ACCESS_RESET:
1024 break;
1025 case CMD_ACT_BT_ACCESS_SET_INVERT:
1026 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1027 break;
1028 case CMD_ACT_BT_ACCESS_GET_INVERT:
1029 break;
1030 default:
1031 break;
1032 }
1033 lbs_deb_leave(LBS_DEB_CMD);
1034 return 0;
1035 }
1036
1037 static int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
1038 u16 cmd_action, void *pdata_buf)
1039 {
1040 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1041 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1042
1043 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1044 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1045 cmd->result = 0;
1046
1047 if (pdata_buf)
1048 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1049 else
1050 memset(fwt_access, 0, sizeof(*fwt_access));
1051
1052 fwt_access->action = cpu_to_le16(cmd_action);
1053
1054 lbs_deb_leave(LBS_DEB_CMD);
1055 return 0;
1056 }
1057
1058 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1059 struct cmd_ds_mesh_access *cmd)
1060 {
1061 int ret;
1062
1063 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1064
1065 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1066 cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1067 cmd->hdr.result = 0;
1068
1069 cmd->action = cpu_to_le16(cmd_action);
1070
1071 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1072
1073 lbs_deb_leave(LBS_DEB_CMD);
1074 return ret;
1075 }
1076
1077 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1078 {
1079 struct cmd_ds_mesh_config cmd;
1080
1081 memset(&cmd, 0, sizeof(cmd));
1082 cmd.action = cpu_to_le16(enable);
1083 cmd.channel = cpu_to_le16(chan);
1084 cmd.type = cpu_to_le16(priv->mesh_tlv);
1085 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1086
1087 if (enable) {
1088 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1089 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1090 }
1091 lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1092 enable, priv->mesh_tlv, chan,
1093 escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1094 return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1095 }
1096
1097 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1098 struct cmd_ds_command *cmd,
1099 u16 cmd_action)
1100 {
1101 struct cmd_ds_802_11_beacon_control
1102 *bcn_ctrl = &cmd->params.bcn_ctrl;
1103
1104 lbs_deb_enter(LBS_DEB_CMD);
1105 cmd->size =
1106 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1107 + S_DS_GEN);
1108 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1109
1110 bcn_ctrl->action = cpu_to_le16(cmd_action);
1111 bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1112 bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1113
1114 lbs_deb_leave(LBS_DEB_CMD);
1115 return 0;
1116 }
1117
1118 static void lbs_queue_cmd(struct lbs_private *priv,
1119 struct cmd_ctrl_node *cmdnode)
1120 {
1121 unsigned long flags;
1122 int addtail = 1;
1123
1124 lbs_deb_enter(LBS_DEB_HOST);
1125
1126 if (!cmdnode) {
1127 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1128 goto done;
1129 }
1130 if (!cmdnode->cmdbuf->size) {
1131 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1132 goto done;
1133 }
1134 cmdnode->result = 0;
1135
1136 /* Exit_PS command needs to be queued in the header always. */
1137 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1138 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1139
1140 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1141 if (priv->psstate != PS_STATE_FULL_POWER)
1142 addtail = 0;
1143 }
1144 }
1145
1146 spin_lock_irqsave(&priv->driver_lock, flags);
1147
1148 if (addtail)
1149 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1150 else
1151 list_add(&cmdnode->list, &priv->cmdpendingq);
1152
1153 spin_unlock_irqrestore(&priv->driver_lock, flags);
1154
1155 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1156 le16_to_cpu(cmdnode->cmdbuf->command));
1157
1158 done:
1159 lbs_deb_leave(LBS_DEB_HOST);
1160 }
1161
1162 static void lbs_submit_command(struct lbs_private *priv,
1163 struct cmd_ctrl_node *cmdnode)
1164 {
1165 unsigned long flags;
1166 struct cmd_header *cmd;
1167 uint16_t cmdsize;
1168 uint16_t command;
1169 int timeo = 5 * HZ;
1170 int ret;
1171
1172 lbs_deb_enter(LBS_DEB_HOST);
1173
1174 cmd = cmdnode->cmdbuf;
1175
1176 spin_lock_irqsave(&priv->driver_lock, flags);
1177 priv->cur_cmd = cmdnode;
1178 priv->cur_cmd_retcode = 0;
1179 spin_unlock_irqrestore(&priv->driver_lock, flags);
1180
1181 cmdsize = le16_to_cpu(cmd->size);
1182 command = le16_to_cpu(cmd->command);
1183
1184 /* These commands take longer */
1185 if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1186 command == CMD_802_11_AUTHENTICATE)
1187 timeo = 10 * HZ;
1188
1189 lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1190 command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1191 lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1192
1193 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1194
1195 if (ret) {
1196 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1197 /* Let the timer kick in and retry, and potentially reset
1198 the whole thing if the condition persists */
1199 timeo = HZ;
1200 }
1201
1202 /* Setup the timer after transmit command */
1203 mod_timer(&priv->command_timer, jiffies + timeo);
1204
1205 lbs_deb_leave(LBS_DEB_HOST);
1206 }
1207
1208 /**
1209 * This function inserts command node to cmdfreeq
1210 * after cleans it. Requires priv->driver_lock held.
1211 */
1212 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1213 struct cmd_ctrl_node *cmdnode)
1214 {
1215 lbs_deb_enter(LBS_DEB_HOST);
1216
1217 if (!cmdnode)
1218 goto out;
1219
1220 cmdnode->callback = NULL;
1221 cmdnode->callback_arg = 0;
1222
1223 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1224
1225 list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1226 out:
1227 lbs_deb_leave(LBS_DEB_HOST);
1228 }
1229
1230 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1231 struct cmd_ctrl_node *ptempcmd)
1232 {
1233 unsigned long flags;
1234
1235 spin_lock_irqsave(&priv->driver_lock, flags);
1236 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1237 spin_unlock_irqrestore(&priv->driver_lock, flags);
1238 }
1239
1240 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1241 int result)
1242 {
1243 if (cmd == priv->cur_cmd)
1244 priv->cur_cmd_retcode = result;
1245
1246 cmd->result = result;
1247 cmd->cmdwaitqwoken = 1;
1248 wake_up_interruptible(&cmd->cmdwait_q);
1249
1250 if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
1251 __lbs_cleanup_and_insert_cmd(priv, cmd);
1252 priv->cur_cmd = NULL;
1253 }
1254
1255 int lbs_set_radio_control(struct lbs_private *priv)
1256 {
1257 int ret = 0;
1258 struct cmd_ds_802_11_radio_control cmd;
1259
1260 lbs_deb_enter(LBS_DEB_CMD);
1261
1262 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1263 cmd.action = cpu_to_le16(CMD_ACT_SET);
1264
1265 switch (priv->preamble) {
1266 case CMD_TYPE_SHORT_PREAMBLE:
1267 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1268 break;
1269
1270 case CMD_TYPE_LONG_PREAMBLE:
1271 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1272 break;
1273
1274 case CMD_TYPE_AUTO_PREAMBLE:
1275 default:
1276 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1277 break;
1278 }
1279
1280 if (priv->radioon)
1281 cmd.control |= cpu_to_le16(TURN_ON_RF);
1282 else
1283 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1284
1285 lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1286 priv->preamble);
1287
1288 ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1289
1290 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1291 return ret;
1292 }
1293
1294 void lbs_set_mac_control(struct lbs_private *priv)
1295 {
1296 struct cmd_ds_mac_control cmd;
1297
1298 lbs_deb_enter(LBS_DEB_CMD);
1299
1300 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1301 cmd.action = cpu_to_le16(priv->mac_control);
1302 cmd.reserved = 0;
1303
1304 lbs_cmd_async(priv, CMD_MAC_CONTROL,
1305 &cmd.hdr, sizeof(cmd));
1306
1307 lbs_deb_leave(LBS_DEB_CMD);
1308 }
1309
1310 /**
1311 * @brief This function prepare the command before send to firmware.
1312 *
1313 * @param priv A pointer to struct lbs_private structure
1314 * @param cmd_no command number
1315 * @param cmd_action command action: GET or SET
1316 * @param wait_option wait option: wait response or not
1317 * @param cmd_oid cmd oid: treated as sub command
1318 * @param pdata_buf A pointer to informaion buffer
1319 * @return 0 or -1
1320 */
1321 int lbs_prepare_and_send_command(struct lbs_private *priv,
1322 u16 cmd_no,
1323 u16 cmd_action,
1324 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1325 {
1326 int ret = 0;
1327 struct cmd_ctrl_node *cmdnode;
1328 struct cmd_ds_command *cmdptr;
1329 unsigned long flags;
1330
1331 lbs_deb_enter(LBS_DEB_HOST);
1332
1333 if (!priv) {
1334 lbs_deb_host("PREP_CMD: priv is NULL\n");
1335 ret = -1;
1336 goto done;
1337 }
1338
1339 if (priv->surpriseremoved) {
1340 lbs_deb_host("PREP_CMD: card removed\n");
1341 ret = -1;
1342 goto done;
1343 }
1344
1345 cmdnode = lbs_get_cmd_ctrl_node(priv);
1346
1347 if (cmdnode == NULL) {
1348 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1349
1350 /* Wake up main thread to execute next command */
1351 wake_up_interruptible(&priv->waitq);
1352 ret = -1;
1353 goto done;
1354 }
1355
1356 cmdnode->callback = NULL;
1357 cmdnode->callback_arg = (unsigned long)pdata_buf;
1358
1359 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1360
1361 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1362
1363 /* Set sequence number, command and INT option */
1364 priv->seqnum++;
1365 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1366
1367 cmdptr->command = cpu_to_le16(cmd_no);
1368 cmdptr->result = 0;
1369
1370 switch (cmd_no) {
1371 case CMD_802_11_PS_MODE:
1372 ret = lbs_cmd_802_11_ps_mode(cmdptr, cmd_action);
1373 break;
1374
1375 case CMD_802_11_ASSOCIATE:
1376 case CMD_802_11_REASSOCIATE:
1377 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1378 break;
1379
1380 case CMD_802_11_DEAUTHENTICATE:
1381 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1382 break;
1383
1384 case CMD_802_11_AD_HOC_START:
1385 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1386 break;
1387
1388 case CMD_802_11_RESET:
1389 ret = lbs_cmd_802_11_reset(cmdptr, cmd_action);
1390 break;
1391
1392 case CMD_802_11_AUTHENTICATE:
1393 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1394 break;
1395
1396 case CMD_802_11_SNMP_MIB:
1397 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1398 cmd_action, cmd_oid, pdata_buf);
1399 break;
1400
1401 case CMD_MAC_REG_ACCESS:
1402 case CMD_BBP_REG_ACCESS:
1403 case CMD_RF_REG_ACCESS:
1404 ret = lbs_cmd_reg_access(cmdptr, cmd_action, pdata_buf);
1405 break;
1406
1407 case CMD_802_11_RF_TX_POWER:
1408 ret = lbs_cmd_802_11_rf_tx_power(cmdptr,
1409 cmd_action, pdata_buf);
1410 break;
1411
1412 case CMD_802_11_RATE_ADAPT_RATESET:
1413 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1414 cmdptr, cmd_action);
1415 break;
1416
1417 case CMD_MAC_MULTICAST_ADR:
1418 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1419 break;
1420
1421 case CMD_802_11_MONITOR_MODE:
1422 ret = lbs_cmd_802_11_monitor_mode(cmdptr,
1423 cmd_action, pdata_buf);
1424 break;
1425
1426 case CMD_802_11_AD_HOC_JOIN:
1427 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1428 break;
1429
1430 case CMD_802_11_RSSI:
1431 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1432 break;
1433
1434 case CMD_802_11_AD_HOC_STOP:
1435 ret = lbs_cmd_80211_ad_hoc_stop(cmdptr);
1436 break;
1437
1438 case CMD_802_11_MAC_ADDRESS:
1439 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1440 break;
1441
1442 case CMD_802_11_EEPROM_ACCESS:
1443 ret = lbs_cmd_802_11_eeprom_access(cmdptr, pdata_buf);
1444 break;
1445
1446 case CMD_802_11_SET_AFC:
1447 case CMD_802_11_GET_AFC:
1448
1449 cmdptr->command = cpu_to_le16(cmd_no);
1450 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1451 S_DS_GEN);
1452
1453 memmove(&cmdptr->params.afc,
1454 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1455
1456 ret = 0;
1457 goto done;
1458
1459 case CMD_802_11D_DOMAIN_INFO:
1460 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1461 cmd_no, cmd_action);
1462 break;
1463
1464 case CMD_802_11_TPC_CFG:
1465 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1466 cmdptr->size =
1467 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1468 S_DS_GEN);
1469
1470 memmove(&cmdptr->params.tpccfg,
1471 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1472
1473 ret = 0;
1474 break;
1475 case CMD_802_11_LED_GPIO_CTRL:
1476 {
1477 struct mrvlietypes_ledgpio *gpio =
1478 (struct mrvlietypes_ledgpio*)
1479 cmdptr->params.ledgpio.data;
1480
1481 memmove(&cmdptr->params.ledgpio,
1482 pdata_buf,
1483 sizeof(struct cmd_ds_802_11_led_ctrl));
1484
1485 cmdptr->command =
1486 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1487
1488 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1489 cmdptr->size =
1490 cpu_to_le16(le16_to_cpu(gpio->header.len)
1491 + S_DS_GEN
1492 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1493 gpio->header.len = gpio->header.len;
1494
1495 ret = 0;
1496 break;
1497 }
1498
1499 case CMD_BT_ACCESS:
1500 ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf);
1501 break;
1502
1503 case CMD_FWT_ACCESS:
1504 ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf);
1505 break;
1506
1507 case CMD_GET_TSF:
1508 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1509 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1510 S_DS_GEN);
1511 ret = 0;
1512 break;
1513 case CMD_802_11_BEACON_CTRL:
1514 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1515 break;
1516 default:
1517 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1518 ret = -1;
1519 break;
1520 }
1521
1522 /* return error, since the command preparation failed */
1523 if (ret != 0) {
1524 lbs_deb_host("PREP_CMD: command preparation failed\n");
1525 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1526 ret = -1;
1527 goto done;
1528 }
1529
1530 cmdnode->cmdwaitqwoken = 0;
1531
1532 lbs_queue_cmd(priv, cmdnode);
1533 wake_up_interruptible(&priv->waitq);
1534
1535 if (wait_option & CMD_OPTION_WAITFORRSP) {
1536 lbs_deb_host("PREP_CMD: wait for response\n");
1537 might_sleep();
1538 wait_event_interruptible(cmdnode->cmdwait_q,
1539 cmdnode->cmdwaitqwoken);
1540 }
1541
1542 spin_lock_irqsave(&priv->driver_lock, flags);
1543 if (priv->cur_cmd_retcode) {
1544 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1545 priv->cur_cmd_retcode);
1546 priv->cur_cmd_retcode = 0;
1547 ret = -1;
1548 }
1549 spin_unlock_irqrestore(&priv->driver_lock, flags);
1550
1551 done:
1552 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1553 return ret;
1554 }
1555
1556 /**
1557 * @brief This function allocates the command buffer and link
1558 * it to command free queue.
1559 *
1560 * @param priv A pointer to struct lbs_private structure
1561 * @return 0 or -1
1562 */
1563 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1564 {
1565 int ret = 0;
1566 u32 bufsize;
1567 u32 i;
1568 struct cmd_ctrl_node *cmdarray;
1569
1570 lbs_deb_enter(LBS_DEB_HOST);
1571
1572 /* Allocate and initialize the command array */
1573 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1574 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1575 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1576 ret = -1;
1577 goto done;
1578 }
1579 priv->cmd_array = cmdarray;
1580
1581 /* Allocate and initialize each command buffer in the command array */
1582 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1583 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1584 if (!cmdarray[i].cmdbuf) {
1585 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1586 ret = -1;
1587 goto done;
1588 }
1589 }
1590
1591 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1592 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1593 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1594 }
1595 ret = 0;
1596
1597 done:
1598 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1599 return ret;
1600 }
1601
1602 /**
1603 * @brief This function frees the command buffer.
1604 *
1605 * @param priv A pointer to struct lbs_private structure
1606 * @return 0 or -1
1607 */
1608 int lbs_free_cmd_buffer(struct lbs_private *priv)
1609 {
1610 struct cmd_ctrl_node *cmdarray;
1611 unsigned int i;
1612
1613 lbs_deb_enter(LBS_DEB_HOST);
1614
1615 /* need to check if cmd array is allocated or not */
1616 if (priv->cmd_array == NULL) {
1617 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1618 goto done;
1619 }
1620
1621 cmdarray = priv->cmd_array;
1622
1623 /* Release shared memory buffers */
1624 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1625 if (cmdarray[i].cmdbuf) {
1626 kfree(cmdarray[i].cmdbuf);
1627 cmdarray[i].cmdbuf = NULL;
1628 }
1629 }
1630
1631 /* Release cmd_ctrl_node */
1632 if (priv->cmd_array) {
1633 kfree(priv->cmd_array);
1634 priv->cmd_array = NULL;
1635 }
1636
1637 done:
1638 lbs_deb_leave(LBS_DEB_HOST);
1639 return 0;
1640 }
1641
1642 /**
1643 * @brief This function gets a free command node if available in
1644 * command free queue.
1645 *
1646 * @param priv A pointer to struct lbs_private structure
1647 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1648 */
1649 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1650 {
1651 struct cmd_ctrl_node *tempnode;
1652 unsigned long flags;
1653
1654 lbs_deb_enter(LBS_DEB_HOST);
1655
1656 if (!priv)
1657 return NULL;
1658
1659 spin_lock_irqsave(&priv->driver_lock, flags);
1660
1661 if (!list_empty(&priv->cmdfreeq)) {
1662 tempnode = list_first_entry(&priv->cmdfreeq,
1663 struct cmd_ctrl_node, list);
1664 list_del(&tempnode->list);
1665 } else {
1666 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1667 tempnode = NULL;
1668 }
1669
1670 spin_unlock_irqrestore(&priv->driver_lock, flags);
1671
1672 lbs_deb_leave(LBS_DEB_HOST);
1673 return tempnode;
1674 }
1675
1676 /**
1677 * @brief This function executes next command in command
1678 * pending queue. It will put fimware back to PS mode
1679 * if applicable.
1680 *
1681 * @param priv A pointer to struct lbs_private structure
1682 * @return 0 or -1
1683 */
1684 int lbs_execute_next_command(struct lbs_private *priv)
1685 {
1686 struct cmd_ctrl_node *cmdnode = NULL;
1687 struct cmd_header *cmd;
1688 unsigned long flags;
1689 int ret = 0;
1690
1691 /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1692 * only caller to us is lbs_thread() and we get even when a
1693 * data packet is received */
1694 lbs_deb_enter(LBS_DEB_THREAD);
1695
1696 spin_lock_irqsave(&priv->driver_lock, flags);
1697
1698 if (priv->cur_cmd) {
1699 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1700 spin_unlock_irqrestore(&priv->driver_lock, flags);
1701 ret = -1;
1702 goto done;
1703 }
1704
1705 if (!list_empty(&priv->cmdpendingq)) {
1706 cmdnode = list_first_entry(&priv->cmdpendingq,
1707 struct cmd_ctrl_node, list);
1708 }
1709
1710 spin_unlock_irqrestore(&priv->driver_lock, flags);
1711
1712 if (cmdnode) {
1713 cmd = cmdnode->cmdbuf;
1714
1715 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1716 if ((priv->psstate == PS_STATE_SLEEP) ||
1717 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1718 lbs_deb_host(
1719 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1720 le16_to_cpu(cmd->command),
1721 priv->psstate);
1722 ret = -1;
1723 goto done;
1724 }
1725 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1726 "0x%04x in psstate %d\n",
1727 le16_to_cpu(cmd->command), priv->psstate);
1728 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1729 /*
1730 * 1. Non-PS command:
1731 * Queue it. set needtowakeup to TRUE if current state
1732 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1733 * 2. PS command but not Exit_PS:
1734 * Ignore it.
1735 * 3. PS command Exit_PS:
1736 * Set needtowakeup to TRUE if current state is SLEEP,
1737 * otherwise send this command down to firmware
1738 * immediately.
1739 */
1740 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1741 /* Prepare to send Exit PS,
1742 * this non PS command will be sent later */
1743 if ((priv->psstate == PS_STATE_SLEEP)
1744 || (priv->psstate == PS_STATE_PRE_SLEEP)
1745 ) {
1746 /* w/ new scheme, it will not reach here.
1747 since it is blocked in main_thread. */
1748 priv->needtowakeup = 1;
1749 } else
1750 lbs_ps_wakeup(priv, 0);
1751
1752 ret = 0;
1753 goto done;
1754 } else {
1755 /*
1756 * PS command. Ignore it if it is not Exit_PS.
1757 * otherwise send it down immediately.
1758 */
1759 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1760
1761 lbs_deb_host(
1762 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1763 psm->action);
1764 if (psm->action !=
1765 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1766 lbs_deb_host(
1767 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1768 list_del(&cmdnode->list);
1769 spin_lock_irqsave(&priv->driver_lock, flags);
1770 lbs_complete_command(priv, cmdnode, 0);
1771 spin_unlock_irqrestore(&priv->driver_lock, flags);
1772
1773 ret = 0;
1774 goto done;
1775 }
1776
1777 if ((priv->psstate == PS_STATE_SLEEP) ||
1778 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1779 lbs_deb_host(
1780 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1781 list_del(&cmdnode->list);
1782 spin_lock_irqsave(&priv->driver_lock, flags);
1783 lbs_complete_command(priv, cmdnode, 0);
1784 spin_unlock_irqrestore(&priv->driver_lock, flags);
1785 priv->needtowakeup = 1;
1786
1787 ret = 0;
1788 goto done;
1789 }
1790
1791 lbs_deb_host(
1792 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1793 }
1794 }
1795 list_del(&cmdnode->list);
1796 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1797 le16_to_cpu(cmd->command));
1798 lbs_submit_command(priv, cmdnode);
1799 } else {
1800 /*
1801 * check if in power save mode, if yes, put the device back
1802 * to PS mode
1803 */
1804 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1805 (priv->psstate == PS_STATE_FULL_POWER) &&
1806 ((priv->connect_status == LBS_CONNECTED) ||
1807 (priv->mesh_connect_status == LBS_CONNECTED))) {
1808 if (priv->secinfo.WPAenabled ||
1809 priv->secinfo.WPA2enabled) {
1810 /* check for valid WPA group keys */
1811 if (priv->wpa_mcast_key.len ||
1812 priv->wpa_unicast_key.len) {
1813 lbs_deb_host(
1814 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1815 " go back to PS_SLEEP");
1816 lbs_ps_sleep(priv, 0);
1817 }
1818 } else {
1819 lbs_deb_host(
1820 "EXEC_NEXT_CMD: cmdpendingq empty, "
1821 "go back to PS_SLEEP");
1822 lbs_ps_sleep(priv, 0);
1823 }
1824 }
1825 }
1826
1827 ret = 0;
1828 done:
1829 lbs_deb_leave(LBS_DEB_THREAD);
1830 return ret;
1831 }
1832
1833 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1834 {
1835 union iwreq_data iwrq;
1836 u8 buf[50];
1837
1838 lbs_deb_enter(LBS_DEB_WEXT);
1839
1840 memset(&iwrq, 0, sizeof(union iwreq_data));
1841 memset(buf, 0, sizeof(buf));
1842
1843 snprintf(buf, sizeof(buf) - 1, "%s", str);
1844
1845 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1846
1847 /* Send Event to upper layer */
1848 lbs_deb_wext("event indication string %s\n", (char *)buf);
1849 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1850 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1851
1852 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1853
1854 lbs_deb_leave(LBS_DEB_WEXT);
1855 }
1856
1857 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1858 {
1859 unsigned long flags;
1860 int ret = 0;
1861
1862 lbs_deb_enter(LBS_DEB_HOST);
1863 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1864
1865 ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1866
1867 spin_lock_irqsave(&priv->driver_lock, flags);
1868 if (priv->intcounter || priv->currenttxskb)
1869 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1870 priv->intcounter, priv->currenttxskb);
1871 spin_unlock_irqrestore(&priv->driver_lock, flags);
1872
1873 if (ret) {
1874 lbs_pr_alert(
1875 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1876 } else {
1877 spin_lock_irqsave(&priv->driver_lock, flags);
1878 if (!priv->intcounter) {
1879 priv->psstate = PS_STATE_SLEEP;
1880 } else {
1881 lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1882 priv->intcounter);
1883 }
1884 spin_unlock_irqrestore(&priv->driver_lock, flags);
1885 }
1886
1887 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1888 return ret;
1889 }
1890
1891 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1892 {
1893 lbs_deb_enter(LBS_DEB_HOST);
1894
1895 /*
1896 * PS is currently supported only in Infrastructure mode
1897 * Remove this check if it is to be supported in IBSS mode also
1898 */
1899
1900 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1901 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1902
1903 lbs_deb_leave(LBS_DEB_HOST);
1904 }
1905
1906 /**
1907 * @brief This function sends Exit_PS command to firmware.
1908 *
1909 * @param priv A pointer to struct lbs_private structure
1910 * @param wait_option wait response or not
1911 * @return n/a
1912 */
1913 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1914 {
1915 __le32 Localpsmode;
1916
1917 lbs_deb_enter(LBS_DEB_HOST);
1918
1919 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1920
1921 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1922 CMD_SUBCMD_EXIT_PS,
1923 wait_option, 0, &Localpsmode);
1924
1925 lbs_deb_leave(LBS_DEB_HOST);
1926 }
1927
1928 /**
1929 * @brief This function checks condition and prepares to
1930 * send sleep confirm command to firmware if ok.
1931 *
1932 * @param priv A pointer to struct lbs_private structure
1933 * @param psmode Power Saving mode
1934 * @return n/a
1935 */
1936 void lbs_ps_confirm_sleep(struct lbs_private *priv)
1937 {
1938 unsigned long flags =0;
1939 int allowed = 1;
1940
1941 lbs_deb_enter(LBS_DEB_HOST);
1942
1943 if (priv->dnld_sent) {
1944 allowed = 0;
1945 lbs_deb_host("dnld_sent was set\n");
1946 }
1947
1948 spin_lock_irqsave(&priv->driver_lock, flags);
1949 if (priv->cur_cmd) {
1950 allowed = 0;
1951 lbs_deb_host("cur_cmd was set\n");
1952 }
1953 if (priv->intcounter > 0) {
1954 allowed = 0;
1955 lbs_deb_host("intcounter %d\n", priv->intcounter);
1956 }
1957 spin_unlock_irqrestore(&priv->driver_lock, flags);
1958
1959 if (allowed) {
1960 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1961 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
1962 sizeof(struct PS_CMD_ConfirmSleep));
1963 } else {
1964 lbs_deb_host("sleep confirm has been delayed\n");
1965 }
1966
1967 lbs_deb_leave(LBS_DEB_HOST);
1968 }
1969
1970
1971 static struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
1972 uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
1973 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
1974 unsigned long callback_arg)
1975 {
1976 struct cmd_ctrl_node *cmdnode;
1977
1978 lbs_deb_enter(LBS_DEB_HOST);
1979
1980 if (priv->surpriseremoved) {
1981 lbs_deb_host("PREP_CMD: card removed\n");
1982 cmdnode = ERR_PTR(-ENOENT);
1983 goto done;
1984 }
1985
1986 cmdnode = lbs_get_cmd_ctrl_node(priv);
1987 if (cmdnode == NULL) {
1988 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1989
1990 /* Wake up main thread to execute next command */
1991 wake_up_interruptible(&priv->waitq);
1992 cmdnode = ERR_PTR(-ENOBUFS);
1993 goto done;
1994 }
1995
1996 cmdnode->callback = callback;
1997 cmdnode->callback_arg = callback_arg;
1998
1999 /* Copy the incoming command to the buffer */
2000 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2001
2002 /* Set sequence number, clean result, move to buffer */
2003 priv->seqnum++;
2004 cmdnode->cmdbuf->command = cpu_to_le16(command);
2005 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
2006 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
2007 cmdnode->cmdbuf->result = 0;
2008
2009 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2010
2011 cmdnode->cmdwaitqwoken = 0;
2012 lbs_queue_cmd(priv, cmdnode);
2013 wake_up_interruptible(&priv->waitq);
2014
2015 done:
2016 lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2017 return cmdnode;
2018 }
2019
2020 void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2021 struct cmd_header *in_cmd, int in_cmd_size)
2022 {
2023 lbs_deb_enter(LBS_DEB_CMD);
2024 __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2025 lbs_cmd_async_callback, 0);
2026 lbs_deb_leave(LBS_DEB_CMD);
2027 }
2028
2029 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2030 struct cmd_header *in_cmd, int in_cmd_size,
2031 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2032 unsigned long callback_arg)
2033 {
2034 struct cmd_ctrl_node *cmdnode;
2035 unsigned long flags;
2036 int ret = 0;
2037
2038 lbs_deb_enter(LBS_DEB_HOST);
2039
2040 cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2041 callback, callback_arg);
2042 if (IS_ERR(cmdnode)) {
2043 ret = PTR_ERR(cmdnode);
2044 goto done;
2045 }
2046
2047 might_sleep();
2048 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2049
2050 spin_lock_irqsave(&priv->driver_lock, flags);
2051 ret = cmdnode->result;
2052 if (ret)
2053 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2054 command, ret);
2055
2056 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2057 spin_unlock_irqrestore(&priv->driver_lock, flags);
2058
2059 done:
2060 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2061 return ret;
2062 }
2063 EXPORT_SYMBOL_GPL(__lbs_cmd);
2064
2065
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