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libertas: convert ENABLE_RSN to a direct command
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / net / wireless / libertas / cmd.c
blob5d2c928fdd3641b52fd84cdcfe668acfafb5bd01
1 /**
2 * This file contains the handling of command.
3 * It prepares command and sends it to firmware when it is ready.
4 */
5
6 #include <net/iw_handler.h>
7 #include "host.h"
8 #include "hostcmd.h"
9 #include "decl.h"
10 #include "defs.h"
11 #include "dev.h"
12 #include "join.h"
13 #include "wext.h"
14 #include "cmd.h"
15
16 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
17 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
18 struct cmd_ctrl_node *ptempnode,
19 void *pdata_buf);
20
21
22 /**
23 * @brief Checks whether a command is allowed in Power Save mode
24 *
25 * @param command the command ID
26 * @return 1 if allowed, 0 if not allowed
27 */
28 static u8 is_command_allowed_in_ps(u16 cmd)
29 {
30 switch (cmd) {
31 case CMD_802_11_RSSI:
32 return 1;
33 default:
34 break;
35 }
36 return 0;
37 }
38
39 /**
40 * @brief Updates the hardware details like MAC address and regulatory region
41 *
42 * @param priv A pointer to struct lbs_private structure
43 *
44 * @return 0 on success, error on failure
45 */
46 int lbs_update_hw_spec(struct lbs_private *priv)
47 {
48 struct cmd_ds_get_hw_spec cmd;
49 int ret = -1;
50 u32 i;
51 DECLARE_MAC_BUF(mac);
52
53 lbs_deb_enter(LBS_DEB_CMD);
54
55 memset(&cmd, 0, sizeof(cmd));
56 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
57 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
58 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
59 if (ret)
60 goto out;
61
62 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
63 memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
64
65 lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
66 priv->fwreleasenumber[2], priv->fwreleasenumber[1],
67 priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
68 lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
69 print_mac(mac, cmd.permanentaddr));
70 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
71 cmd.hwifversion, cmd.version);
72
73 /* Clamp region code to 8-bit since FW spec indicates that it should
74 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
75 * returns non-zero high 8 bits here.
76 */
77 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
78
79 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
80 /* use the region code to search for the index */
81 if (priv->regioncode == lbs_region_code_to_index[i])
82 break;
83 }
84
85 /* if it's unidentified region code, use the default (USA) */
86 if (i >= MRVDRV_MAX_REGION_CODE) {
87 priv->regioncode = 0x10;
88 lbs_pr_info("unidentified region code; using the default (USA)\n");
89 }
90
91 if (priv->current_addr[0] == 0xff)
92 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
93
94 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
95 if (priv->mesh_dev)
96 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
97
98 if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
99 ret = -1;
100 goto out;
101 }
102
103 if (lbs_set_universaltable(priv, 0)) {
104 ret = -1;
105 goto out;
106 }
107
108 out:
109 lbs_deb_leave(LBS_DEB_CMD);
110 return ret;
111 }
112
113 int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
114 {
115 struct cmd_ds_host_sleep cmd_config;
116 int ret;
117
118 cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
119 cmd_config.criteria = cpu_to_le32(criteria);
120 cmd_config.gpio = priv->wol_gpio;
121 cmd_config.gap = priv->wol_gap;
122
123 ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
124 if (!ret) {
125 lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
126 priv->wol_criteria = criteria;
127 } else {
128 lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
129 }
130
131 return ret;
132 }
133 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
134
135 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
136 struct cmd_ds_command *cmd,
137 u16 cmd_action)
138 {
139 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
140
141 lbs_deb_enter(LBS_DEB_CMD);
142
143 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
144 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
145 S_DS_GEN);
146 psm->action = cpu_to_le16(cmd_action);
147 psm->multipledtim = 0;
148 switch (cmd_action) {
149 case CMD_SUBCMD_ENTER_PS:
150 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
151
152 psm->locallisteninterval = 0;
153 psm->nullpktinterval = 0;
154 psm->multipledtim =
155 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
156 break;
157
158 case CMD_SUBCMD_EXIT_PS:
159 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
160 break;
161
162 case CMD_SUBCMD_SLEEP_CONFIRMED:
163 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
164 break;
165
166 default:
167 break;
168 }
169
170 lbs_deb_leave(LBS_DEB_CMD);
171 return 0;
172 }
173
174 int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
175 uint16_t cmd_action, uint16_t *timeout)
176 {
177 struct cmd_ds_802_11_inactivity_timeout cmd;
178 int ret;
179
180 lbs_deb_enter(LBS_DEB_CMD);
181
182 cmd.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
183 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
184
185 cmd.action = cpu_to_le16(cmd_action);
186
187 if (cmd_action == CMD_ACT_SET)
188 cmd.timeout = cpu_to_le16(*timeout);
189 else
190 cmd.timeout = 0;
191
192 ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
193
194 if (!ret)
195 *timeout = le16_to_cpu(cmd.timeout);
196
197 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
198 return 0;
199 }
200
201 int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
202 struct sleep_params *sp)
203 {
204 struct cmd_ds_802_11_sleep_params cmd;
205 int ret;
206
207 lbs_deb_enter(LBS_DEB_CMD);
208
209 if (cmd_action == CMD_ACT_GET) {
210 memset(&cmd, 0, sizeof(cmd));
211 } else {
212 cmd.error = cpu_to_le16(sp->sp_error);
213 cmd.offset = cpu_to_le16(sp->sp_offset);
214 cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
215 cmd.calcontrol = sp->sp_calcontrol;
216 cmd.externalsleepclk = sp->sp_extsleepclk;
217 cmd.reserved = cpu_to_le16(sp->sp_reserved);
218 }
219 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
220 cmd.action = cpu_to_le16(cmd_action);
221
222 ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
223
224 if (!ret) {
225 lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
226 "calcontrol 0x%x extsleepclk 0x%x\n",
227 le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
228 le16_to_cpu(cmd.stabletime), cmd.calcontrol,
229 cmd.externalsleepclk);
230
231 sp->sp_error = le16_to_cpu(cmd.error);
232 sp->sp_offset = le16_to_cpu(cmd.offset);
233 sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
234 sp->sp_calcontrol = cmd.calcontrol;
235 sp->sp_extsleepclk = cmd.externalsleepclk;
236 sp->sp_reserved = le16_to_cpu(cmd.reserved);
237 }
238
239 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
240 return 0;
241 }
242
243 int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
244 struct assoc_request *assoc)
245 {
246 struct cmd_ds_802_11_set_wep cmd;
247 int ret = 0;
248
249 lbs_deb_enter(LBS_DEB_CMD);
250
251 cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
252 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
253
254 cmd.action = cpu_to_le16(cmd_action);
255
256 if (cmd_action == CMD_ACT_ADD) {
257 int i;
258
259 /* default tx key index */
260 cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
261 CMD_WEP_KEY_INDEX_MASK);
262
263 /* Copy key types and material to host command structure */
264 for (i = 0; i < 4; i++) {
265 struct enc_key *pkey = &assoc->wep_keys[i];
266
267 switch (pkey->len) {
268 case KEY_LEN_WEP_40:
269 cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
270 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
271 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
272 break;
273 case KEY_LEN_WEP_104:
274 cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
275 memmove(cmd.keymaterial[i], pkey->key, pkey->len);
276 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
277 break;
278 case 0:
279 break;
280 default:
281 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
282 i, pkey->len);
283 ret = -1;
284 goto done;
285 break;
286 }
287 }
288 } else if (cmd_action == CMD_ACT_REMOVE) {
289 /* ACT_REMOVE clears _all_ WEP keys */
290
291 /* default tx key index */
292 cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
293 CMD_WEP_KEY_INDEX_MASK);
294 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
295 }
296
297 ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
298 done:
299 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
300 return ret;
301 }
302
303 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
304 uint16_t *enable)
305 {
306 struct cmd_ds_802_11_enable_rsn cmd;
307 int ret;
308
309 lbs_deb_enter(LBS_DEB_CMD);
310
311 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
312 cmd.action = cpu_to_le16(cmd_action);
313
314 if (cmd_action == CMD_ACT_SET) {
315 if (*enable)
316 cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
317 else
318 cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
319 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
320 }
321
322 ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
323 if (!ret && cmd_action == CMD_ACT_GET)
324 *enable = le16_to_cpu(cmd.enable);
325
326 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
327 return ret;
328 }
329
330
331 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
332 {
333 ssize_t pos = 0;
334 struct mrvlietypesheader *tlv_h;
335 while (pos < size) {
336 u16 length;
337 tlv_h = (struct mrvlietypesheader *) tlv;
338 if (tlv_h->len == 0)
339 return pos;
340 length = le16_to_cpu(tlv_h->len) +
341 sizeof(struct mrvlietypesheader);
342 pos += length;
343 tlv += length;
344 }
345 return pos;
346 }
347
348
349 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
350 struct cmd_ds_command *cmd, u16 cmd_action,
351 void *pdata_buf)
352 {
353 struct cmd_ds_802_11_subscribe_event *events =
354 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
355
356 /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
357 * for various Marvell TLVs */
358
359 lbs_deb_enter(LBS_DEB_CMD);
360
361 cmd->size = cpu_to_le16(sizeof(*events)
362 - sizeof(events->tlv)
363 + S_DS_GEN);
364 cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
365 if (cmd_action == CMD_ACT_GET) {
366 cmd->params.subscribe_event.events = 0;
367 } else {
368 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
369 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
370 cmd->params.subscribe_event.events = events->events;
371 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
372 }
373
374 lbs_deb_leave(LBS_DEB_CMD);
375 }
376
377 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
378 struct enc_key * pkey)
379 {
380 lbs_deb_enter(LBS_DEB_CMD);
381
382 if (pkey->flags & KEY_INFO_WPA_ENABLED) {
383 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
384 }
385 if (pkey->flags & KEY_INFO_WPA_UNICAST) {
386 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
387 }
388 if (pkey->flags & KEY_INFO_WPA_MCAST) {
389 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
390 }
391
392 pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
393 pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
394 pkeyparamset->keylen = cpu_to_le16(pkey->len);
395 memcpy(pkeyparamset->key, pkey->key, pkey->len);
396 pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid)
397 + sizeof(pkeyparamset->keyinfo)
398 + sizeof(pkeyparamset->keylen)
399 + sizeof(pkeyparamset->key));
400 lbs_deb_leave(LBS_DEB_CMD);
401 }
402
403 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
404 struct cmd_ds_command *cmd,
405 u16 cmd_action,
406 u32 cmd_oid, void *pdata_buf)
407 {
408 struct cmd_ds_802_11_key_material *pkeymaterial =
409 &cmd->params.keymaterial;
410 struct assoc_request * assoc_req = pdata_buf;
411 int ret = 0;
412 int index = 0;
413
414 lbs_deb_enter(LBS_DEB_CMD);
415
416 cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
417 pkeymaterial->action = cpu_to_le16(cmd_action);
418
419 if (cmd_action == CMD_ACT_GET) {
420 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
421 ret = 0;
422 goto done;
423 }
424
425 memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
426
427 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
428 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
429 &assoc_req->wpa_unicast_key);
430 index++;
431 }
432
433 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
434 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
435 &assoc_req->wpa_mcast_key);
436 index++;
437 }
438
439 cmd->size = cpu_to_le16( S_DS_GEN
440 + sizeof (pkeymaterial->action)
441 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
442
443 ret = 0;
444
445 done:
446 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
447 return ret;
448 }
449
450 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
451 struct cmd_ds_command *cmd, int cmd_action)
452 {
453 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
454
455 lbs_deb_enter(LBS_DEB_CMD);
456
457 cmd->command = cpu_to_le16(CMD_802_11_RESET);
458 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
459 reset->action = cpu_to_le16(cmd_action);
460
461 lbs_deb_leave(LBS_DEB_CMD);
462 return 0;
463 }
464
465 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
466 struct cmd_ds_command *cmd)
467 {
468 lbs_deb_enter(LBS_DEB_CMD);
469 cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
470 cmd->size =
471 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
472
473 lbs_deb_leave(LBS_DEB_CMD);
474 return 0;
475 }
476
477 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
478 struct cmd_ds_command *cmd)
479 {
480 lbs_deb_enter(LBS_DEB_CMD);
481 cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
482 cmd->size =
483 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
484
485 lbs_deb_leave(LBS_DEB_CMD);
486 return 0;
487 }
488
489 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
490 struct cmd_ds_command *cmd,
491 int cmd_action,
492 int cmd_oid, void *pdata_buf)
493 {
494 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
495 u8 ucTemp;
496
497 lbs_deb_enter(LBS_DEB_CMD);
498
499 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
500
501 cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
502 cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
503
504 switch (cmd_oid) {
505 case OID_802_11_INFRASTRUCTURE_MODE:
506 {
507 u8 mode = (u8) (size_t) pdata_buf;
508 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
509 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
510 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
511 if (mode == IW_MODE_ADHOC) {
512 ucTemp = SNMP_MIB_VALUE_ADHOC;
513 } else {
514 /* Infra and Auto modes */
515 ucTemp = SNMP_MIB_VALUE_INFRA;
516 }
517
518 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
519
520 break;
521 }
522
523 case OID_802_11D_ENABLE:
524 {
525 u32 ulTemp;
526
527 pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
528
529 if (cmd_action == CMD_ACT_SET) {
530 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
531 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
532 ulTemp = *(u32 *)pdata_buf;
533 *((__le16 *)(pSNMPMIB->value)) =
534 cpu_to_le16((u16) ulTemp);
535 }
536 break;
537 }
538
539 case OID_802_11_FRAGMENTATION_THRESHOLD:
540 {
541 u32 ulTemp;
542
543 pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
544
545 if (cmd_action == CMD_ACT_GET) {
546 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
547 } else if (cmd_action == CMD_ACT_SET) {
548 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
549 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
550 ulTemp = *((u32 *) pdata_buf);
551 *((__le16 *)(pSNMPMIB->value)) =
552 cpu_to_le16((u16) ulTemp);
553
554 }
555
556 break;
557 }
558
559 case OID_802_11_RTS_THRESHOLD:
560 {
561
562 u32 ulTemp;
563 pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_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 break;
576 }
577 case OID_802_11_TX_RETRYCOUNT:
578 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
579
580 if (cmd_action == CMD_ACT_GET) {
581 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
582 } else if (cmd_action == CMD_ACT_SET) {
583 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
584 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
585 *((__le16 *)(pSNMPMIB->value)) =
586 cpu_to_le16((u16) priv->txretrycount);
587 }
588
589 break;
590 default:
591 break;
592 }
593
594 lbs_deb_cmd(
595 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
596 le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
597 le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
598
599 lbs_deb_cmd(
600 "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
601 le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
602 le16_to_cpu(pSNMPMIB->bufsize),
603 le16_to_cpu(*(__le16 *) pSNMPMIB->value));
604
605 lbs_deb_leave(LBS_DEB_CMD);
606 return 0;
607 }
608
609 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
610 struct cmd_ds_command *cmd,
611 u16 cmd_action, void *pdata_buf)
612 {
613
614 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
615
616 lbs_deb_enter(LBS_DEB_CMD);
617
618 cmd->size =
619 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
620 cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
621 prtp->action = cpu_to_le16(cmd_action);
622
623 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
624 le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
625 le16_to_cpu(prtp->action));
626
627 switch (cmd_action) {
628 case CMD_ACT_TX_POWER_OPT_GET:
629 prtp->action = cpu_to_le16(CMD_ACT_GET);
630 prtp->currentlevel = 0;
631 break;
632
633 case CMD_ACT_TX_POWER_OPT_SET_HIGH:
634 prtp->action = cpu_to_le16(CMD_ACT_SET);
635 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
636 break;
637
638 case CMD_ACT_TX_POWER_OPT_SET_MID:
639 prtp->action = cpu_to_le16(CMD_ACT_SET);
640 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
641 break;
642
643 case CMD_ACT_TX_POWER_OPT_SET_LOW:
644 prtp->action = cpu_to_le16(CMD_ACT_SET);
645 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
646 break;
647 }
648
649 lbs_deb_leave(LBS_DEB_CMD);
650 return 0;
651 }
652
653 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
654 struct cmd_ds_command *cmd,
655 u16 cmd_action, void *pdata_buf)
656 {
657 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
658
659 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
660 cmd->size =
661 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
662 S_DS_GEN);
663
664 monitor->action = cpu_to_le16(cmd_action);
665 if (cmd_action == CMD_ACT_SET) {
666 monitor->mode =
667 cpu_to_le16((u16) (*(u32 *) pdata_buf));
668 }
669
670 return 0;
671 }
672
673 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
674 struct cmd_ds_command *cmd,
675 u16 cmd_action)
676 {
677 struct cmd_ds_802_11_rate_adapt_rateset
678 *rateadapt = &cmd->params.rateset;
679
680 lbs_deb_enter(LBS_DEB_CMD);
681 cmd->size =
682 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
683 + S_DS_GEN);
684 cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
685
686 rateadapt->action = cpu_to_le16(cmd_action);
687 rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
688 rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
689
690 lbs_deb_leave(LBS_DEB_CMD);
691 return 0;
692 }
693
694 /**
695 * @brief Get the current data rate
696 *
697 * @param priv A pointer to struct lbs_private structure
698 *
699 * @return The data rate on success, error on failure
700 */
701 int lbs_get_data_rate(struct lbs_private *priv)
702 {
703 struct cmd_ds_802_11_data_rate cmd;
704 int ret = -1;
705
706 lbs_deb_enter(LBS_DEB_CMD);
707
708 memset(&cmd, 0, sizeof(cmd));
709 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
710 cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
711
712 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
713 if (ret)
714 goto out;
715
716 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
717
718 ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
719 lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
720
721 out:
722 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
723 return ret;
724 }
725
726 /**
727 * @brief Set the data rate
728 *
729 * @param priv A pointer to struct lbs_private structure
730 * @param rate The desired data rate, or 0 to clear a locked rate
731 *
732 * @return 0 on success, error on failure
733 */
734 int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
735 {
736 struct cmd_ds_802_11_data_rate cmd;
737 int ret = 0;
738
739 lbs_deb_enter(LBS_DEB_CMD);
740
741 memset(&cmd, 0, sizeof(cmd));
742 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
743
744 if (rate > 0) {
745 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
746 cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
747 if (cmd.rates[0] == 0) {
748 lbs_deb_cmd("DATA_RATE: invalid requested rate of"
749 " 0x%02X\n", rate);
750 ret = 0;
751 goto out;
752 }
753 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
754 } else {
755 cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
756 lbs_deb_cmd("DATA_RATE: setting auto\n");
757 }
758
759 ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
760 if (ret)
761 goto out;
762
763 lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
764
765 /* FIXME: get actual rates FW can do if this command actually returns
766 * all data rates supported.
767 */
768 priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
769 lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
770
771 out:
772 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
773 return ret;
774 }
775
776 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
777 struct cmd_ds_command *cmd,
778 u16 cmd_action)
779 {
780 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
781
782 lbs_deb_enter(LBS_DEB_CMD);
783 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
784 S_DS_GEN);
785 cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
786
787 lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
788 pMCastAdr->action = cpu_to_le16(cmd_action);
789 pMCastAdr->nr_of_adrs =
790 cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
791 memcpy(pMCastAdr->maclist, priv->multicastlist,
792 priv->nr_of_multicastmacaddr * ETH_ALEN);
793
794 lbs_deb_leave(LBS_DEB_CMD);
795 return 0;
796 }
797
798 /**
799 * @brief Get the radio channel
800 *
801 * @param priv A pointer to struct lbs_private structure
802 *
803 * @return The channel on success, error on failure
804 */
805 int lbs_get_channel(struct lbs_private *priv)
806 {
807 struct cmd_ds_802_11_rf_channel cmd;
808 int ret = 0;
809
810 lbs_deb_enter(LBS_DEB_CMD);
811
812 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
813 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
814
815 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
816 if (ret)
817 goto out;
818
819 ret = le16_to_cpu(cmd.channel);
820 lbs_deb_cmd("current radio channel is %d\n", ret);
821
822 out:
823 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
824 return ret;
825 }
826
827 /**
828 * @brief Set the radio channel
829 *
830 * @param priv A pointer to struct lbs_private structure
831 * @param channel The desired channel, or 0 to clear a locked channel
832 *
833 * @return 0 on success, error on failure
834 */
835 int lbs_set_channel(struct lbs_private *priv, u8 channel)
836 {
837 struct cmd_ds_802_11_rf_channel cmd;
838 u8 old_channel = priv->curbssparams.channel;
839 int ret = 0;
840
841 lbs_deb_enter(LBS_DEB_CMD);
842
843 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
844 cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
845 cmd.channel = cpu_to_le16(channel);
846
847 ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
848 if (ret)
849 goto out;
850
851 priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel);
852 lbs_deb_cmd("channel switch from %d to %d\n", old_channel,
853 priv->curbssparams.channel);
854
855 out:
856 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
857 return ret;
858 }
859
860 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
861 struct cmd_ds_command *cmd)
862 {
863
864 lbs_deb_enter(LBS_DEB_CMD);
865 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
866 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
867 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
868
869 /* reset Beacon SNR/NF/RSSI values */
870 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
871 priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
872 priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
873 priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
874 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
875 priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
876
877 lbs_deb_leave(LBS_DEB_CMD);
878 return 0;
879 }
880
881 static int lbs_cmd_reg_access(struct lbs_private *priv,
882 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 lbs_private *priv,
980 struct cmd_ds_command *cmd,
981 int cmd_action, void *pdata_buf)
982 {
983 struct lbs_ioctl_regrdwr *ea = pdata_buf;
984
985 lbs_deb_enter(LBS_DEB_CMD);
986
987 cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
988 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
989 S_DS_GEN);
990 cmd->result = 0;
991
992 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
993 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
994 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
995 cmd->params.rdeeprom.value = 0;
996
997 lbs_deb_leave(LBS_DEB_CMD);
998 return 0;
999 }
1000
1001 static int lbs_cmd_bt_access(struct lbs_private *priv,
1002 struct cmd_ds_command *cmd,
1003 u16 cmd_action, void *pdata_buf)
1004 {
1005 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
1006 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1007
1008 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
1009 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
1010 cmd->result = 0;
1011 bt_access->action = cpu_to_le16(cmd_action);
1012
1013 switch (cmd_action) {
1014 case CMD_ACT_BT_ACCESS_ADD:
1015 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
1016 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
1017 break;
1018 case CMD_ACT_BT_ACCESS_DEL:
1019 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
1020 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
1021 break;
1022 case CMD_ACT_BT_ACCESS_LIST:
1023 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1024 break;
1025 case CMD_ACT_BT_ACCESS_RESET:
1026 break;
1027 case CMD_ACT_BT_ACCESS_SET_INVERT:
1028 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
1029 break;
1030 case CMD_ACT_BT_ACCESS_GET_INVERT:
1031 break;
1032 default:
1033 break;
1034 }
1035 lbs_deb_leave(LBS_DEB_CMD);
1036 return 0;
1037 }
1038
1039 static int lbs_cmd_fwt_access(struct lbs_private *priv,
1040 struct cmd_ds_command *cmd,
1041 u16 cmd_action, void *pdata_buf)
1042 {
1043 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
1044 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1045
1046 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
1047 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
1048 cmd->result = 0;
1049
1050 if (pdata_buf)
1051 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
1052 else
1053 memset(fwt_access, 0, sizeof(*fwt_access));
1054
1055 fwt_access->action = cpu_to_le16(cmd_action);
1056
1057 lbs_deb_leave(LBS_DEB_CMD);
1058 return 0;
1059 }
1060
1061 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
1062 struct cmd_ds_mesh_access *cmd)
1063 {
1064 int ret;
1065
1066 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
1067
1068 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
1069 cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
1070 cmd->hdr.result = 0;
1071
1072 cmd->action = cpu_to_le16(cmd_action);
1073
1074 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
1075
1076 lbs_deb_leave(LBS_DEB_CMD);
1077 return ret;
1078 }
1079 EXPORT_SYMBOL_GPL(lbs_mesh_access);
1080
1081 int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
1082 {
1083 struct cmd_ds_mesh_config cmd;
1084
1085 memset(&cmd, 0, sizeof(cmd));
1086 cmd.action = cpu_to_le16(enable);
1087 cmd.channel = cpu_to_le16(chan);
1088 cmd.type = cpu_to_le16(priv->mesh_tlv);
1089 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1090
1091 if (enable) {
1092 cmd.length = cpu_to_le16(priv->mesh_ssid_len);
1093 memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
1094 }
1095 lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
1096 enable, priv->mesh_tlv, chan,
1097 escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
1098 return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
1099 }
1100
1101 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1102 struct cmd_ds_command *cmd,
1103 u16 cmd_action)
1104 {
1105 struct cmd_ds_802_11_beacon_control
1106 *bcn_ctrl = &cmd->params.bcn_ctrl;
1107
1108 lbs_deb_enter(LBS_DEB_CMD);
1109 cmd->size =
1110 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1111 + S_DS_GEN);
1112 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1113
1114 bcn_ctrl->action = cpu_to_le16(cmd_action);
1115 bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1116 bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1117
1118 lbs_deb_leave(LBS_DEB_CMD);
1119 return 0;
1120 }
1121
1122 static void lbs_queue_cmd(struct lbs_private *priv,
1123 struct cmd_ctrl_node *cmdnode)
1124 {
1125 unsigned long flags;
1126 int addtail = 1;
1127
1128 lbs_deb_enter(LBS_DEB_HOST);
1129
1130 if (!cmdnode) {
1131 lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
1132 goto done;
1133 }
1134 if (!cmdnode->cmdbuf->size) {
1135 lbs_deb_host("DNLD_CMD: cmd size is zero\n");
1136 goto done;
1137 }
1138 cmdnode->result = 0;
1139
1140 /* Exit_PS command needs to be queued in the header always. */
1141 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1142 struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
1143
1144 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1145 if (priv->psstate != PS_STATE_FULL_POWER)
1146 addtail = 0;
1147 }
1148 }
1149
1150 spin_lock_irqsave(&priv->driver_lock, flags);
1151
1152 if (addtail)
1153 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1154 else
1155 list_add(&cmdnode->list, &priv->cmdpendingq);
1156
1157 spin_unlock_irqrestore(&priv->driver_lock, flags);
1158
1159 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1160 le16_to_cpu(cmdnode->cmdbuf->command));
1161
1162 done:
1163 lbs_deb_leave(LBS_DEB_HOST);
1164 }
1165
1166 static void lbs_submit_command(struct lbs_private *priv,
1167 struct cmd_ctrl_node *cmdnode)
1168 {
1169 unsigned long flags;
1170 struct cmd_header *cmd;
1171 uint16_t cmdsize;
1172 uint16_t command;
1173 int timeo = 5 * HZ;
1174 int ret;
1175
1176 lbs_deb_enter(LBS_DEB_HOST);
1177
1178 cmd = cmdnode->cmdbuf;
1179
1180 spin_lock_irqsave(&priv->driver_lock, flags);
1181 priv->cur_cmd = cmdnode;
1182 priv->cur_cmd_retcode = 0;
1183 spin_unlock_irqrestore(&priv->driver_lock, flags);
1184
1185 cmdsize = le16_to_cpu(cmd->size);
1186 command = le16_to_cpu(cmd->command);
1187
1188 /* These commands take longer */
1189 if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
1190 command == CMD_802_11_AUTHENTICATE)
1191 timeo = 10 * HZ;
1192
1193 lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
1194 command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
1195 lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1196
1197 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1198
1199 if (ret) {
1200 lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
1201 /* Let the timer kick in and retry, and potentially reset
1202 the whole thing if the condition persists */
1203 timeo = HZ;
1204 } else
1205 lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n",
1206 command, jiffies);
1207
1208 /* Setup the timer after transmit command */
1209 mod_timer(&priv->command_timer, jiffies + timeo);
1210
1211 lbs_deb_leave(LBS_DEB_HOST);
1212 }
1213
1214 static int lbs_cmd_mac_control(struct lbs_private *priv,
1215 struct cmd_ds_command *cmd)
1216 {
1217 struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1218
1219 lbs_deb_enter(LBS_DEB_CMD);
1220
1221 cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1222 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1223 mac->action = cpu_to_le16(priv->currentpacketfilter);
1224
1225 lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1226 le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1227
1228 lbs_deb_leave(LBS_DEB_CMD);
1229 return 0;
1230 }
1231
1232 /**
1233 * This function inserts command node to cmdfreeq
1234 * after cleans it. Requires priv->driver_lock held.
1235 */
1236 static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1237 struct cmd_ctrl_node *cmdnode)
1238 {
1239 lbs_deb_enter(LBS_DEB_HOST);
1240
1241 if (!cmdnode)
1242 goto out;
1243
1244 cmdnode->callback = NULL;
1245 cmdnode->callback_arg = 0;
1246
1247 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1248
1249 list_add_tail(&cmdnode->list, &priv->cmdfreeq);
1250 out:
1251 lbs_deb_leave(LBS_DEB_HOST);
1252 }
1253
1254 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1255 struct cmd_ctrl_node *ptempcmd)
1256 {
1257 unsigned long flags;
1258
1259 spin_lock_irqsave(&priv->driver_lock, flags);
1260 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1261 spin_unlock_irqrestore(&priv->driver_lock, flags);
1262 }
1263
1264 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
1265 int result)
1266 {
1267 if (cmd == priv->cur_cmd)
1268 priv->cur_cmd_retcode = result;
1269
1270 cmd->result = result;
1271 cmd->cmdwaitqwoken = 1;
1272 wake_up_interruptible(&cmd->cmdwait_q);
1273
1274 if (!cmd->callback)
1275 __lbs_cleanup_and_insert_cmd(priv, cmd);
1276 priv->cur_cmd = NULL;
1277 }
1278
1279 int lbs_set_radio_control(struct lbs_private *priv)
1280 {
1281 int ret = 0;
1282 struct cmd_ds_802_11_radio_control cmd;
1283
1284 lbs_deb_enter(LBS_DEB_CMD);
1285
1286 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
1287 cmd.action = cpu_to_le16(CMD_ACT_SET);
1288
1289 switch (priv->preamble) {
1290 case CMD_TYPE_SHORT_PREAMBLE:
1291 cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
1292 break;
1293
1294 case CMD_TYPE_LONG_PREAMBLE:
1295 cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
1296 break;
1297
1298 case CMD_TYPE_AUTO_PREAMBLE:
1299 default:
1300 cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
1301 break;
1302 }
1303
1304 if (priv->radioon)
1305 cmd.control |= cpu_to_le16(TURN_ON_RF);
1306 else
1307 cmd.control &= cpu_to_le16(~TURN_ON_RF);
1308
1309 lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
1310 priv->preamble);
1311
1312 ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
1313
1314 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1315 return ret;
1316 }
1317
1318 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1319 {
1320 int ret = 0;
1321
1322 lbs_deb_enter(LBS_DEB_CMD);
1323
1324 /* Send MAC control command to station */
1325 ret = lbs_prepare_and_send_command(priv,
1326 CMD_MAC_CONTROL, 0, 0, 0, NULL);
1327
1328 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1329 return ret;
1330 }
1331
1332 /**
1333 * @brief This function prepare the command before send to firmware.
1334 *
1335 * @param priv A pointer to struct lbs_private structure
1336 * @param cmd_no command number
1337 * @param cmd_action command action: GET or SET
1338 * @param wait_option wait option: wait response or not
1339 * @param cmd_oid cmd oid: treated as sub command
1340 * @param pdata_buf A pointer to informaion buffer
1341 * @return 0 or -1
1342 */
1343 int lbs_prepare_and_send_command(struct lbs_private *priv,
1344 u16 cmd_no,
1345 u16 cmd_action,
1346 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1347 {
1348 int ret = 0;
1349 struct cmd_ctrl_node *cmdnode;
1350 struct cmd_ds_command *cmdptr;
1351 unsigned long flags;
1352
1353 lbs_deb_enter(LBS_DEB_HOST);
1354
1355 if (!priv) {
1356 lbs_deb_host("PREP_CMD: priv is NULL\n");
1357 ret = -1;
1358 goto done;
1359 }
1360
1361 if (priv->surpriseremoved) {
1362 lbs_deb_host("PREP_CMD: card removed\n");
1363 ret = -1;
1364 goto done;
1365 }
1366
1367 cmdnode = lbs_get_cmd_ctrl_node(priv);
1368
1369 if (cmdnode == NULL) {
1370 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1371
1372 /* Wake up main thread to execute next command */
1373 wake_up_interruptible(&priv->waitq);
1374 ret = -1;
1375 goto done;
1376 }
1377
1378 lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
1379
1380 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1381
1382 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1383
1384 /* Set sequence number, command and INT option */
1385 priv->seqnum++;
1386 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1387
1388 cmdptr->command = cpu_to_le16(cmd_no);
1389 cmdptr->result = 0;
1390
1391 switch (cmd_no) {
1392 case CMD_802_11_PS_MODE:
1393 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1394 break;
1395
1396 case CMD_802_11_SCAN:
1397 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1398 break;
1399
1400 case CMD_MAC_CONTROL:
1401 ret = lbs_cmd_mac_control(priv, cmdptr);
1402 break;
1403
1404 case CMD_802_11_ASSOCIATE:
1405 case CMD_802_11_REASSOCIATE:
1406 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1407 break;
1408
1409 case CMD_802_11_DEAUTHENTICATE:
1410 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1411 break;
1412
1413 case CMD_802_11_AD_HOC_START:
1414 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1415 break;
1416 case CMD_CODE_DNLD:
1417 break;
1418
1419 case CMD_802_11_RESET:
1420 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1421 break;
1422
1423 case CMD_802_11_GET_LOG:
1424 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1425 break;
1426
1427 case CMD_802_11_AUTHENTICATE:
1428 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1429 break;
1430
1431 case CMD_802_11_GET_STAT:
1432 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1433 break;
1434
1435 case CMD_802_11_SNMP_MIB:
1436 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1437 cmd_action, cmd_oid, pdata_buf);
1438 break;
1439
1440 case CMD_MAC_REG_ACCESS:
1441 case CMD_BBP_REG_ACCESS:
1442 case CMD_RF_REG_ACCESS:
1443 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1444 break;
1445
1446 case CMD_802_11_RF_TX_POWER:
1447 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1448 cmd_action, pdata_buf);
1449 break;
1450
1451 case CMD_802_11_RATE_ADAPT_RATESET:
1452 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1453 cmdptr, cmd_action);
1454 break;
1455
1456 case CMD_MAC_MULTICAST_ADR:
1457 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1458 break;
1459
1460 case CMD_802_11_MONITOR_MODE:
1461 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1462 cmd_action, pdata_buf);
1463 break;
1464
1465 case CMD_802_11_AD_HOC_JOIN:
1466 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1467 break;
1468
1469 case CMD_802_11_RSSI:
1470 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1471 break;
1472
1473 case CMD_802_11_AD_HOC_STOP:
1474 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1475 break;
1476
1477 case CMD_802_11_KEY_MATERIAL:
1478 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1479 cmd_oid, pdata_buf);
1480 break;
1481
1482 case CMD_802_11_PAIRWISE_TSC:
1483 break;
1484 case CMD_802_11_GROUP_TSC:
1485 break;
1486
1487 case CMD_802_11_MAC_ADDRESS:
1488 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1489 break;
1490
1491 case CMD_802_11_EEPROM_ACCESS:
1492 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1493 cmd_action, pdata_buf);
1494 break;
1495
1496 case CMD_802_11_SET_AFC:
1497 case CMD_802_11_GET_AFC:
1498
1499 cmdptr->command = cpu_to_le16(cmd_no);
1500 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1501 S_DS_GEN);
1502
1503 memmove(&cmdptr->params.afc,
1504 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1505
1506 ret = 0;
1507 goto done;
1508
1509 case CMD_802_11D_DOMAIN_INFO:
1510 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1511 cmd_no, cmd_action);
1512 break;
1513
1514 case CMD_802_11_TPC_CFG:
1515 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1516 cmdptr->size =
1517 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1518 S_DS_GEN);
1519
1520 memmove(&cmdptr->params.tpccfg,
1521 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1522
1523 ret = 0;
1524 break;
1525 case CMD_802_11_LED_GPIO_CTRL:
1526 {
1527 struct mrvlietypes_ledgpio *gpio =
1528 (struct mrvlietypes_ledgpio*)
1529 cmdptr->params.ledgpio.data;
1530
1531 memmove(&cmdptr->params.ledgpio,
1532 pdata_buf,
1533 sizeof(struct cmd_ds_802_11_led_ctrl));
1534
1535 cmdptr->command =
1536 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1537
1538 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1539 cmdptr->size =
1540 cpu_to_le16(le16_to_cpu(gpio->header.len)
1541 + S_DS_GEN
1542 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1543 gpio->header.len = gpio->header.len;
1544
1545 ret = 0;
1546 break;
1547 }
1548 case CMD_802_11_SUBSCRIBE_EVENT:
1549 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1550 cmd_action, pdata_buf);
1551 break;
1552 case CMD_802_11_PWR_CFG:
1553 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1554 cmdptr->size =
1555 cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1556 S_DS_GEN);
1557 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1558 sizeof(struct cmd_ds_802_11_pwr_cfg));
1559
1560 ret = 0;
1561 break;
1562 case CMD_BT_ACCESS:
1563 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1564 break;
1565
1566 case CMD_FWT_ACCESS:
1567 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1568 break;
1569
1570 case CMD_GET_TSF:
1571 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1572 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1573 S_DS_GEN);
1574 ret = 0;
1575 break;
1576 case CMD_802_11_BEACON_CTRL:
1577 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1578 break;
1579 default:
1580 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1581 ret = -1;
1582 break;
1583 }
1584
1585 /* return error, since the command preparation failed */
1586 if (ret != 0) {
1587 lbs_deb_host("PREP_CMD: command preparation failed\n");
1588 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1589 ret = -1;
1590 goto done;
1591 }
1592
1593 cmdnode->cmdwaitqwoken = 0;
1594
1595 lbs_queue_cmd(priv, cmdnode);
1596 wake_up_interruptible(&priv->waitq);
1597
1598 if (wait_option & CMD_OPTION_WAITFORRSP) {
1599 lbs_deb_host("PREP_CMD: wait for response\n");
1600 might_sleep();
1601 wait_event_interruptible(cmdnode->cmdwait_q,
1602 cmdnode->cmdwaitqwoken);
1603 }
1604
1605 spin_lock_irqsave(&priv->driver_lock, flags);
1606 if (priv->cur_cmd_retcode) {
1607 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1608 priv->cur_cmd_retcode);
1609 priv->cur_cmd_retcode = 0;
1610 ret = -1;
1611 }
1612 spin_unlock_irqrestore(&priv->driver_lock, flags);
1613
1614 done:
1615 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1616 return ret;
1617 }
1618 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1619
1620 /**
1621 * @brief This function allocates the command buffer and link
1622 * it to command free queue.
1623 *
1624 * @param priv A pointer to struct lbs_private structure
1625 * @return 0 or -1
1626 */
1627 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1628 {
1629 int ret = 0;
1630 u32 bufsize;
1631 u32 i;
1632 struct cmd_ctrl_node *cmdarray;
1633
1634 lbs_deb_enter(LBS_DEB_HOST);
1635
1636 /* Allocate and initialize the command array */
1637 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1638 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1639 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1640 ret = -1;
1641 goto done;
1642 }
1643 priv->cmd_array = cmdarray;
1644
1645 /* Allocate and initialize each command buffer in the command array */
1646 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1647 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1648 if (!cmdarray[i].cmdbuf) {
1649 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1650 ret = -1;
1651 goto done;
1652 }
1653 }
1654
1655 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1656 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1657 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1658 }
1659 ret = 0;
1660
1661 done:
1662 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1663 return ret;
1664 }
1665
1666 /**
1667 * @brief This function frees the command buffer.
1668 *
1669 * @param priv A pointer to struct lbs_private structure
1670 * @return 0 or -1
1671 */
1672 int lbs_free_cmd_buffer(struct lbs_private *priv)
1673 {
1674 struct cmd_ctrl_node *cmdarray;
1675 unsigned int i;
1676
1677 lbs_deb_enter(LBS_DEB_HOST);
1678
1679 /* need to check if cmd array is allocated or not */
1680 if (priv->cmd_array == NULL) {
1681 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1682 goto done;
1683 }
1684
1685 cmdarray = priv->cmd_array;
1686
1687 /* Release shared memory buffers */
1688 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1689 if (cmdarray[i].cmdbuf) {
1690 kfree(cmdarray[i].cmdbuf);
1691 cmdarray[i].cmdbuf = NULL;
1692 }
1693 }
1694
1695 /* Release cmd_ctrl_node */
1696 if (priv->cmd_array) {
1697 kfree(priv->cmd_array);
1698 priv->cmd_array = NULL;
1699 }
1700
1701 done:
1702 lbs_deb_leave(LBS_DEB_HOST);
1703 return 0;
1704 }
1705
1706 /**
1707 * @brief This function gets a free command node if available in
1708 * command free queue.
1709 *
1710 * @param priv A pointer to struct lbs_private structure
1711 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1712 */
1713 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1714 {
1715 struct cmd_ctrl_node *tempnode;
1716 unsigned long flags;
1717
1718 lbs_deb_enter(LBS_DEB_HOST);
1719
1720 if (!priv)
1721 return NULL;
1722
1723 spin_lock_irqsave(&priv->driver_lock, flags);
1724
1725 if (!list_empty(&priv->cmdfreeq)) {
1726 tempnode = list_first_entry(&priv->cmdfreeq,
1727 struct cmd_ctrl_node, list);
1728 list_del(&tempnode->list);
1729 } else {
1730 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1731 tempnode = NULL;
1732 }
1733
1734 spin_unlock_irqrestore(&priv->driver_lock, flags);
1735
1736 lbs_deb_leave(LBS_DEB_HOST);
1737 return tempnode;
1738 }
1739
1740 /**
1741 * @brief This function cleans command node.
1742 *
1743 * @param ptempnode A pointer to cmdCtrlNode structure
1744 * @return n/a
1745 */
1746
1747 /**
1748 * @brief This function initializes the command node.
1749 *
1750 * @param priv A pointer to struct lbs_private structure
1751 * @param ptempnode A pointer to cmd_ctrl_node structure
1752 * @param pdata_buf A pointer to informaion buffer
1753 * @return 0 or -1
1754 */
1755 static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1756 struct cmd_ctrl_node *ptempnode,
1757 void *pdata_buf)
1758 {
1759 lbs_deb_enter(LBS_DEB_HOST);
1760
1761 if (!ptempnode)
1762 return;
1763
1764 ptempnode->callback = NULL;
1765 ptempnode->callback_arg = (unsigned long)pdata_buf;
1766
1767 lbs_deb_leave(LBS_DEB_HOST);
1768 }
1769
1770 /**
1771 * @brief This function executes next command in command
1772 * pending queue. It will put fimware back to PS mode
1773 * if applicable.
1774 *
1775 * @param priv A pointer to struct lbs_private structure
1776 * @return 0 or -1
1777 */
1778 int lbs_execute_next_command(struct lbs_private *priv)
1779 {
1780 struct cmd_ctrl_node *cmdnode = NULL;
1781 struct cmd_header *cmd;
1782 unsigned long flags;
1783 int ret = 0;
1784
1785 // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1786 // only caller to us is lbs_thread() and we get even when a
1787 // data packet is received
1788 lbs_deb_enter(LBS_DEB_THREAD);
1789
1790 spin_lock_irqsave(&priv->driver_lock, flags);
1791
1792 if (priv->cur_cmd) {
1793 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1794 spin_unlock_irqrestore(&priv->driver_lock, flags);
1795 ret = -1;
1796 goto done;
1797 }
1798
1799 if (!list_empty(&priv->cmdpendingq)) {
1800 cmdnode = list_first_entry(&priv->cmdpendingq,
1801 struct cmd_ctrl_node, list);
1802 }
1803
1804 spin_unlock_irqrestore(&priv->driver_lock, flags);
1805
1806 if (cmdnode) {
1807 cmd = cmdnode->cmdbuf;
1808
1809 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1810 if ((priv->psstate == PS_STATE_SLEEP) ||
1811 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1812 lbs_deb_host(
1813 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1814 le16_to_cpu(cmd->command),
1815 priv->psstate);
1816 ret = -1;
1817 goto done;
1818 }
1819 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1820 "0x%04x in psstate %d\n",
1821 le16_to_cpu(cmd->command), priv->psstate);
1822 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1823 /*
1824 * 1. Non-PS command:
1825 * Queue it. set needtowakeup to TRUE if current state
1826 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1827 * 2. PS command but not Exit_PS:
1828 * Ignore it.
1829 * 3. PS command Exit_PS:
1830 * Set needtowakeup to TRUE if current state is SLEEP,
1831 * otherwise send this command down to firmware
1832 * immediately.
1833 */
1834 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1835 /* Prepare to send Exit PS,
1836 * this non PS command will be sent later */
1837 if ((priv->psstate == PS_STATE_SLEEP)
1838 || (priv->psstate == PS_STATE_PRE_SLEEP)
1839 ) {
1840 /* w/ new scheme, it will not reach here.
1841 since it is blocked in main_thread. */
1842 priv->needtowakeup = 1;
1843 } else
1844 lbs_ps_wakeup(priv, 0);
1845
1846 ret = 0;
1847 goto done;
1848 } else {
1849 /*
1850 * PS command. Ignore it if it is not Exit_PS.
1851 * otherwise send it down immediately.
1852 */
1853 struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
1854
1855 lbs_deb_host(
1856 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1857 psm->action);
1858 if (psm->action !=
1859 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1860 lbs_deb_host(
1861 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1862 list_del(&cmdnode->list);
1863 spin_lock_irqsave(&priv->driver_lock, flags);
1864 lbs_complete_command(priv, cmdnode, 0);
1865 spin_unlock_irqrestore(&priv->driver_lock, flags);
1866
1867 ret = 0;
1868 goto done;
1869 }
1870
1871 if ((priv->psstate == PS_STATE_SLEEP) ||
1872 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1873 lbs_deb_host(
1874 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1875 list_del(&cmdnode->list);
1876 spin_lock_irqsave(&priv->driver_lock, flags);
1877 lbs_complete_command(priv, cmdnode, 0);
1878 spin_unlock_irqrestore(&priv->driver_lock, flags);
1879 priv->needtowakeup = 1;
1880
1881 ret = 0;
1882 goto done;
1883 }
1884
1885 lbs_deb_host(
1886 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1887 }
1888 }
1889 list_del(&cmdnode->list);
1890 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1891 le16_to_cpu(cmd->command));
1892 lbs_submit_command(priv, cmdnode);
1893 } else {
1894 /*
1895 * check if in power save mode, if yes, put the device back
1896 * to PS mode
1897 */
1898 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1899 (priv->psstate == PS_STATE_FULL_POWER) &&
1900 ((priv->connect_status == LBS_CONNECTED) ||
1901 (priv->mesh_connect_status == LBS_CONNECTED))) {
1902 if (priv->secinfo.WPAenabled ||
1903 priv->secinfo.WPA2enabled) {
1904 /* check for valid WPA group keys */
1905 if (priv->wpa_mcast_key.len ||
1906 priv->wpa_unicast_key.len) {
1907 lbs_deb_host(
1908 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1909 " go back to PS_SLEEP");
1910 lbs_ps_sleep(priv, 0);
1911 }
1912 } else {
1913 lbs_deb_host(
1914 "EXEC_NEXT_CMD: cmdpendingq empty, "
1915 "go back to PS_SLEEP");
1916 lbs_ps_sleep(priv, 0);
1917 }
1918 }
1919 }
1920
1921 ret = 0;
1922 done:
1923 lbs_deb_leave(LBS_DEB_THREAD);
1924 return ret;
1925 }
1926
1927 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1928 {
1929 union iwreq_data iwrq;
1930 u8 buf[50];
1931
1932 lbs_deb_enter(LBS_DEB_WEXT);
1933
1934 memset(&iwrq, 0, sizeof(union iwreq_data));
1935 memset(buf, 0, sizeof(buf));
1936
1937 snprintf(buf, sizeof(buf) - 1, "%s", str);
1938
1939 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1940
1941 /* Send Event to upper layer */
1942 lbs_deb_wext("event indication string %s\n", (char *)buf);
1943 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1944 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1945
1946 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1947
1948 lbs_deb_leave(LBS_DEB_WEXT);
1949 }
1950
1951 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1952 {
1953 unsigned long flags;
1954 int ret = 0;
1955
1956 lbs_deb_enter(LBS_DEB_HOST);
1957
1958 lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1959 size);
1960
1961 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1962
1963 ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1964
1965 spin_lock_irqsave(&priv->driver_lock, flags);
1966 if (priv->intcounter || priv->currenttxskb)
1967 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1968 priv->intcounter, priv->currenttxskb);
1969 spin_unlock_irqrestore(&priv->driver_lock, flags);
1970
1971 if (ret) {
1972 lbs_pr_alert(
1973 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1974 } else {
1975 spin_lock_irqsave(&priv->driver_lock, flags);
1976 if (!priv->intcounter) {
1977 priv->psstate = PS_STATE_SLEEP;
1978 } else {
1979 lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1980 priv->intcounter);
1981 }
1982 spin_unlock_irqrestore(&priv->driver_lock, flags);
1983
1984 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1985 }
1986
1987 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1988 return ret;
1989 }
1990
1991 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1992 {
1993 lbs_deb_enter(LBS_DEB_HOST);
1994
1995 /*
1996 * PS is currently supported only in Infrastructure mode
1997 * Remove this check if it is to be supported in IBSS mode also
1998 */
1999
2000 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2001 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
2002
2003 lbs_deb_leave(LBS_DEB_HOST);
2004 }
2005
2006 /**
2007 * @brief This function sends Exit_PS command to firmware.
2008 *
2009 * @param priv A pointer to struct lbs_private structure
2010 * @param wait_option wait response or not
2011 * @return n/a
2012 */
2013 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
2014 {
2015 __le32 Localpsmode;
2016
2017 lbs_deb_enter(LBS_DEB_HOST);
2018
2019 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
2020
2021 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
2022 CMD_SUBCMD_EXIT_PS,
2023 wait_option, 0, &Localpsmode);
2024
2025 lbs_deb_leave(LBS_DEB_HOST);
2026 }
2027
2028 /**
2029 * @brief This function checks condition and prepares to
2030 * send sleep confirm command to firmware if ok.
2031 *
2032 * @param priv A pointer to struct lbs_private structure
2033 * @param psmode Power Saving mode
2034 * @return n/a
2035 */
2036 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
2037 {
2038 unsigned long flags =0;
2039 u8 allowed = 1;
2040
2041 lbs_deb_enter(LBS_DEB_HOST);
2042
2043 if (priv->dnld_sent) {
2044 allowed = 0;
2045 lbs_deb_host("dnld_sent was set\n");
2046 }
2047
2048 spin_lock_irqsave(&priv->driver_lock, flags);
2049 if (priv->cur_cmd) {
2050 allowed = 0;
2051 lbs_deb_host("cur_cmd was set\n");
2052 }
2053 if (priv->intcounter > 0) {
2054 allowed = 0;
2055 lbs_deb_host("intcounter %d\n", priv->intcounter);
2056 }
2057 spin_unlock_irqrestore(&priv->driver_lock, flags);
2058
2059 if (allowed) {
2060 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
2061 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2062 sizeof(struct PS_CMD_ConfirmSleep));
2063 } else {
2064 lbs_deb_host("sleep confirm has been delayed\n");
2065 }
2066
2067 lbs_deb_leave(LBS_DEB_HOST);
2068 }
2069
2070
2071 /**
2072 * @brief Simple callback that copies response back into command
2073 *
2074 * @param priv A pointer to struct lbs_private structure
2075 * @param extra A pointer to the original command structure for which
2076 * 'resp' is a response
2077 * @param resp A pointer to the command response
2078 *
2079 * @return 0 on success, error on failure
2080 */
2081 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2082 struct cmd_header *resp)
2083 {
2084 struct cmd_header *buf = (void *)extra;
2085 uint16_t copy_len;
2086
2087 lbs_deb_enter(LBS_DEB_CMD);
2088
2089 copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2090 lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2091 "copy back buffer was %u bytes\n", copy_len,
2092 le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2093 memcpy(buf, resp, copy_len);
2094
2095 lbs_deb_leave(LBS_DEB_CMD);
2096 return 0;
2097 }
2098 EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
2099
2100 struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command,
2101 struct cmd_header *in_cmd, int in_cmd_size,
2102 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2103 unsigned long callback_arg)
2104 {
2105 struct cmd_ctrl_node *cmdnode;
2106
2107 lbs_deb_enter(LBS_DEB_HOST);
2108
2109 if (priv->surpriseremoved) {
2110 lbs_deb_host("PREP_CMD: card removed\n");
2111 cmdnode = ERR_PTR(-ENOENT);
2112 goto done;
2113 }
2114
2115 cmdnode = lbs_get_cmd_ctrl_node(priv);
2116 if (cmdnode == NULL) {
2117 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2118
2119 /* Wake up main thread to execute next command */
2120 wake_up_interruptible(&priv->waitq);
2121 cmdnode = ERR_PTR(-ENOBUFS);
2122 goto done;
2123 }
2124
2125 cmdnode->callback = callback;
2126 cmdnode->callback_arg = callback_arg;
2127
2128 /* Copy the incoming command to the buffer */
2129 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2130
2131 /* Set sequence number, clean result, move to buffer */
2132 priv->seqnum++;
2133 cmdnode->cmdbuf->command = cpu_to_le16(command);
2134 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
2135 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
2136 cmdnode->cmdbuf->result = 0;
2137
2138 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2139
2140 /* here was the big old switch() statement, which is now obsolete,
2141 * because the caller of lbs_cmd() sets up all of *cmd for us. */
2142
2143 cmdnode->cmdwaitqwoken = 0;
2144 lbs_queue_cmd(priv, cmdnode);
2145 wake_up_interruptible(&priv->waitq);
2146
2147 done:
2148 lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
2149 return cmdnode;
2150 }
2151
2152 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2153 struct cmd_header *in_cmd, int in_cmd_size,
2154 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2155 unsigned long callback_arg)
2156 {
2157 struct cmd_ctrl_node *cmdnode;
2158 unsigned long flags;
2159 int ret = 0;
2160
2161 lbs_deb_enter(LBS_DEB_HOST);
2162
2163 cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
2164 callback, callback_arg);
2165 if (IS_ERR(cmdnode)) {
2166 ret = PTR_ERR(cmdnode);
2167 goto done;
2168 }
2169
2170 might_sleep();
2171 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2172
2173 spin_lock_irqsave(&priv->driver_lock, flags);
2174 ret = cmdnode->result;
2175 if (ret)
2176 lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
2177 command, ret);
2178
2179 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
2180 spin_unlock_irqrestore(&priv->driver_lock, flags);
2181
2182 done:
2183 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2184 return ret;
2185 }
2186 EXPORT_SYMBOL_GPL(__lbs_cmd);
2187
2188
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