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libertas: remove casts from lbs_cmd() and lbs_cmd_with_response() macros
[wrt350n-kernel.git] / drivers / net / wireless / libertas / cmd.c
blob9d621fe7f08afee3a8f3001638d09af0bff6725a
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 void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
17 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
18 void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
19 struct cmd_ctrl_node *ptempnode,
20 u16 wait_option, void *pdata_buf);
21
22
23 /**
24 * @brief Checks whether a command is allowed in Power Save mode
25 *
26 * @param command the command ID
27 * @return 1 if allowed, 0 if not allowed
28 */
29 static u8 is_command_allowed_in_ps(u16 cmd)
30 {
31 switch (cmd) {
32 case CMD_802_11_RSSI:
33 return 1;
34 default:
35 break;
36 }
37 return 0;
38 }
39
40 /**
41 * @brief Updates the hardware details like MAC address and regulatory region
42 *
43 * @param priv A pointer to struct lbs_private structure
44 *
45 * @return 0 on success, error on failure
46 */
47 int lbs_update_hw_spec(struct lbs_private *priv)
48 {
49 struct cmd_ds_get_hw_spec cmd;
50 int ret = -1;
51 u32 i;
52 DECLARE_MAC_BUF(mac);
53
54 lbs_deb_enter(LBS_DEB_CMD);
55
56 memset(&cmd, 0, sizeof(cmd));
57 cmd.hdr.size = cpu_to_le16(sizeof(cmd));
58 memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
59 ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, cmd);
60 if (ret)
61 goto out;
62
63 priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
64 memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
65
66 lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
67 priv->fwreleasenumber[2], priv->fwreleasenumber[1],
68 priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
69 lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
70 print_mac(mac, cmd.permanentaddr));
71 lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
72 cmd.hwifversion, cmd.version);
73
74 /* Clamp region code to 8-bit since FW spec indicates that it should
75 * only ever be 8-bit, even though the field size is 16-bit. Some firmware
76 * returns non-zero high 8 bits here.
77 */
78 priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF;
79
80 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
81 /* use the region code to search for the index */
82 if (priv->regioncode == lbs_region_code_to_index[i])
83 break;
84 }
85
86 /* if it's unidentified region code, use the default (USA) */
87 if (i >= MRVDRV_MAX_REGION_CODE) {
88 priv->regioncode = 0x10;
89 lbs_pr_info("unidentified region code; using the default (USA)\n");
90 }
91
92 if (priv->current_addr[0] == 0xff)
93 memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN);
94
95 memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN);
96 if (priv->mesh_dev)
97 memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
98
99 if (lbs_set_regiontable(priv, priv->regioncode, 0)) {
100 ret = -1;
101 goto out;
102 }
103
104 if (lbs_set_universaltable(priv, 0)) {
105 ret = -1;
106 goto out;
107 }
108
109 out:
110 lbs_deb_leave(LBS_DEB_CMD);
111 return ret;
112 }
113
114 static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
115 struct cmd_ds_command *cmd,
116 u16 cmd_action)
117 {
118 struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
119
120 lbs_deb_enter(LBS_DEB_CMD);
121
122 cmd->command = cpu_to_le16(CMD_802_11_PS_MODE);
123 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
124 S_DS_GEN);
125 psm->action = cpu_to_le16(cmd_action);
126 psm->multipledtim = 0;
127 switch (cmd_action) {
128 case CMD_SUBCMD_ENTER_PS:
129 lbs_deb_cmd("PS command:" "SubCode- Enter PS\n");
130
131 psm->locallisteninterval = 0;
132 psm->nullpktinterval = 0;
133 psm->multipledtim =
134 cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM);
135 break;
136
137 case CMD_SUBCMD_EXIT_PS:
138 lbs_deb_cmd("PS command:" "SubCode- Exit PS\n");
139 break;
140
141 case CMD_SUBCMD_SLEEP_CONFIRMED:
142 lbs_deb_cmd("PS command: SubCode- sleep confirm\n");
143 break;
144
145 default:
146 break;
147 }
148
149 lbs_deb_leave(LBS_DEB_CMD);
150 return 0;
151 }
152
153 static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
154 struct cmd_ds_command *cmd,
155 u16 cmd_action, void *pdata_buf)
156 {
157 u16 *timeout = pdata_buf;
158
159 lbs_deb_enter(LBS_DEB_CMD);
160
161 cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
162 cmd->size =
163 cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
164 + S_DS_GEN);
165
166 cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
167
168 if (cmd_action)
169 cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
170 else
171 cmd->params.inactivity_timeout.timeout = 0;
172
173 lbs_deb_leave(LBS_DEB_CMD);
174 return 0;
175 }
176
177 static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
178 struct cmd_ds_command *cmd,
179 u16 cmd_action)
180 {
181 struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
182
183 lbs_deb_enter(LBS_DEB_CMD);
184
185 cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
186 S_DS_GEN);
187 cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS);
188
189 if (cmd_action == CMD_ACT_GET) {
190 memset(&priv->sp, 0, sizeof(struct sleep_params));
191 memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
192 sp->action = cpu_to_le16(cmd_action);
193 } else if (cmd_action == CMD_ACT_SET) {
194 sp->action = cpu_to_le16(cmd_action);
195 sp->error = cpu_to_le16(priv->sp.sp_error);
196 sp->offset = cpu_to_le16(priv->sp.sp_offset);
197 sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
198 sp->calcontrol = (u8) priv->sp.sp_calcontrol;
199 sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
200 sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
201 }
202
203 lbs_deb_leave(LBS_DEB_CMD);
204 return 0;
205 }
206
207 static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
208 struct cmd_ds_command *cmd,
209 u32 cmd_act,
210 void * pdata_buf)
211 {
212 struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
213 int ret = 0;
214 struct assoc_request * assoc_req = pdata_buf;
215
216 lbs_deb_enter(LBS_DEB_CMD);
217
218 cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
219 cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
220
221 if (cmd_act == CMD_ACT_ADD) {
222 int i;
223
224 if (!assoc_req) {
225 lbs_deb_cmd("Invalid association request!");
226 ret = -1;
227 goto done;
228 }
229
230 wep->action = cpu_to_le16(CMD_ACT_ADD);
231
232 /* default tx key index */
233 wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
234 (u32)CMD_WEP_KEY_INDEX_MASK));
235
236 /* Copy key types and material to host command structure */
237 for (i = 0; i < 4; i++) {
238 struct enc_key * pkey = &assoc_req->wep_keys[i];
239
240 switch (pkey->len) {
241 case KEY_LEN_WEP_40:
242 wep->keytype[i] = CMD_TYPE_WEP_40_BIT;
243 memmove(&wep->keymaterial[i], pkey->key,
244 pkey->len);
245 lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
246 break;
247 case KEY_LEN_WEP_104:
248 wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
249 memmove(&wep->keymaterial[i], pkey->key,
250 pkey->len);
251 lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
252 break;
253 case 0:
254 break;
255 default:
256 lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
257 i, pkey->len);
258 ret = -1;
259 goto done;
260 break;
261 }
262 }
263 } else if (cmd_act == CMD_ACT_REMOVE) {
264 /* ACT_REMOVE clears _all_ WEP keys */
265 wep->action = cpu_to_le16(CMD_ACT_REMOVE);
266
267 /* default tx key index */
268 wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx &
269 (u32)CMD_WEP_KEY_INDEX_MASK));
270 lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
271 }
272
273 ret = 0;
274
275 done:
276 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
277 return ret;
278 }
279
280 static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
281 struct cmd_ds_command *cmd,
282 u16 cmd_action,
283 void * pdata_buf)
284 {
285 struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
286 u32 * enable = pdata_buf;
287
288 lbs_deb_enter(LBS_DEB_CMD);
289
290 cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
291 cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
292 penableRSN->action = cpu_to_le16(cmd_action);
293
294 if (cmd_action == CMD_ACT_SET) {
295 if (*enable)
296 penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
297 else
298 penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
299 lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
300 }
301
302 lbs_deb_leave(LBS_DEB_CMD);
303 return 0;
304 }
305
306
307 static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
308 {
309 ssize_t pos = 0;
310 struct mrvlietypesheader *tlv_h;
311 while (pos < size) {
312 u16 length;
313 tlv_h = (struct mrvlietypesheader *) tlv;
314 if (tlv_h->len == 0)
315 return pos;
316 length = le16_to_cpu(tlv_h->len) +
317 sizeof(struct mrvlietypesheader);
318 pos += length;
319 tlv += length;
320 }
321 return pos;
322 }
323
324
325 static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
326 struct cmd_ds_command *cmd, u16 cmd_action,
327 void *pdata_buf)
328 {
329 struct cmd_ds_802_11_subscribe_event *events =
330 (struct cmd_ds_802_11_subscribe_event *) pdata_buf;
331
332 /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
333 * for various Marvell TLVs */
334
335 lbs_deb_enter(LBS_DEB_CMD);
336
337 cmd->size = cpu_to_le16(sizeof(*events)
338 - sizeof(events->tlv)
339 + S_DS_GEN);
340 cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
341 if (cmd_action == CMD_ACT_GET) {
342 cmd->params.subscribe_event.events = 0;
343 } else {
344 ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
345 cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
346 cmd->params.subscribe_event.events = events->events;
347 memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
348 }
349
350 lbs_deb_leave(LBS_DEB_CMD);
351 }
352
353 static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
354 struct enc_key * pkey)
355 {
356 lbs_deb_enter(LBS_DEB_CMD);
357
358 if (pkey->flags & KEY_INFO_WPA_ENABLED) {
359 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
360 }
361 if (pkey->flags & KEY_INFO_WPA_UNICAST) {
362 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
363 }
364 if (pkey->flags & KEY_INFO_WPA_MCAST) {
365 pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
366 }
367
368 pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
369 pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
370 pkeyparamset->keylen = cpu_to_le16(pkey->len);
371 memcpy(pkeyparamset->key, pkey->key, pkey->len);
372 pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid)
373 + sizeof(pkeyparamset->keyinfo)
374 + sizeof(pkeyparamset->keylen)
375 + sizeof(pkeyparamset->key));
376 lbs_deb_leave(LBS_DEB_CMD);
377 }
378
379 static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
380 struct cmd_ds_command *cmd,
381 u16 cmd_action,
382 u32 cmd_oid, void *pdata_buf)
383 {
384 struct cmd_ds_802_11_key_material *pkeymaterial =
385 &cmd->params.keymaterial;
386 struct assoc_request * assoc_req = pdata_buf;
387 int ret = 0;
388 int index = 0;
389
390 lbs_deb_enter(LBS_DEB_CMD);
391
392 cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
393 pkeymaterial->action = cpu_to_le16(cmd_action);
394
395 if (cmd_action == CMD_ACT_GET) {
396 cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
397 ret = 0;
398 goto done;
399 }
400
401 memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
402
403 if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
404 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
405 &assoc_req->wpa_unicast_key);
406 index++;
407 }
408
409 if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
410 set_one_wpa_key(&pkeymaterial->keyParamSet[index],
411 &assoc_req->wpa_mcast_key);
412 index++;
413 }
414
415 cmd->size = cpu_to_le16( S_DS_GEN
416 + sizeof (pkeymaterial->action)
417 + (index * sizeof(struct MrvlIEtype_keyParamSet)));
418
419 ret = 0;
420
421 done:
422 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
423 return ret;
424 }
425
426 static int lbs_cmd_802_11_reset(struct lbs_private *priv,
427 struct cmd_ds_command *cmd, int cmd_action)
428 {
429 struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
430
431 lbs_deb_enter(LBS_DEB_CMD);
432
433 cmd->command = cpu_to_le16(CMD_802_11_RESET);
434 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
435 reset->action = cpu_to_le16(cmd_action);
436
437 lbs_deb_leave(LBS_DEB_CMD);
438 return 0;
439 }
440
441 static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
442 struct cmd_ds_command *cmd)
443 {
444 lbs_deb_enter(LBS_DEB_CMD);
445 cmd->command = cpu_to_le16(CMD_802_11_GET_LOG);
446 cmd->size =
447 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
448
449 lbs_deb_leave(LBS_DEB_CMD);
450 return 0;
451 }
452
453 static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
454 struct cmd_ds_command *cmd)
455 {
456 lbs_deb_enter(LBS_DEB_CMD);
457 cmd->command = cpu_to_le16(CMD_802_11_GET_STAT);
458 cmd->size =
459 cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN);
460
461 lbs_deb_leave(LBS_DEB_CMD);
462 return 0;
463 }
464
465 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
466 struct cmd_ds_command *cmd,
467 int cmd_action,
468 int cmd_oid, void *pdata_buf)
469 {
470 struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
471 u8 ucTemp;
472
473 lbs_deb_enter(LBS_DEB_CMD);
474
475 lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
476
477 cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB);
478 cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN);
479
480 switch (cmd_oid) {
481 case OID_802_11_INFRASTRUCTURE_MODE:
482 {
483 u8 mode = (u8) (size_t) pdata_buf;
484 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
485 pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I);
486 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8));
487 if (mode == IW_MODE_ADHOC) {
488 ucTemp = SNMP_MIB_VALUE_ADHOC;
489 } else {
490 /* Infra and Auto modes */
491 ucTemp = SNMP_MIB_VALUE_INFRA;
492 }
493
494 memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
495
496 break;
497 }
498
499 case OID_802_11D_ENABLE:
500 {
501 u32 ulTemp;
502
503 pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I);
504
505 if (cmd_action == CMD_ACT_SET) {
506 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
507 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
508 ulTemp = *(u32 *)pdata_buf;
509 *((__le16 *)(pSNMPMIB->value)) =
510 cpu_to_le16((u16) ulTemp);
511 }
512 break;
513 }
514
515 case OID_802_11_FRAGMENTATION_THRESHOLD:
516 {
517 u32 ulTemp;
518
519 pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I);
520
521 if (cmd_action == CMD_ACT_GET) {
522 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
523 } else if (cmd_action == CMD_ACT_SET) {
524 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
525 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
526 ulTemp = *((u32 *) pdata_buf);
527 *((__le16 *)(pSNMPMIB->value)) =
528 cpu_to_le16((u16) ulTemp);
529
530 }
531
532 break;
533 }
534
535 case OID_802_11_RTS_THRESHOLD:
536 {
537
538 u32 ulTemp;
539 pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I);
540
541 if (cmd_action == CMD_ACT_GET) {
542 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
543 } else if (cmd_action == CMD_ACT_SET) {
544 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
545 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
546 ulTemp = *((u32 *)pdata_buf);
547 *(__le16 *)(pSNMPMIB->value) =
548 cpu_to_le16((u16) ulTemp);
549
550 }
551 break;
552 }
553 case OID_802_11_TX_RETRYCOUNT:
554 pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I);
555
556 if (cmd_action == CMD_ACT_GET) {
557 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET);
558 } else if (cmd_action == CMD_ACT_SET) {
559 pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET);
560 pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
561 *((__le16 *)(pSNMPMIB->value)) =
562 cpu_to_le16((u16) priv->txretrycount);
563 }
564
565 break;
566 default:
567 break;
568 }
569
570 lbs_deb_cmd(
571 "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
572 le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
573 le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result));
574
575 lbs_deb_cmd(
576 "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n",
577 le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid),
578 le16_to_cpu(pSNMPMIB->bufsize),
579 le16_to_cpu(*(__le16 *) pSNMPMIB->value));
580
581 lbs_deb_leave(LBS_DEB_CMD);
582 return 0;
583 }
584
585 static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
586 struct cmd_ds_command *cmd,
587 int cmd_action)
588 {
589 struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
590
591 lbs_deb_enter(LBS_DEB_CMD);
592
593 cmd->size =
594 cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
595 S_DS_GEN);
596 cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL);
597
598 pradiocontrol->action = cpu_to_le16(cmd_action);
599
600 switch (priv->preamble) {
601 case CMD_TYPE_SHORT_PREAMBLE:
602 pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
603 break;
604
605 case CMD_TYPE_LONG_PREAMBLE:
606 pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
607 break;
608
609 case CMD_TYPE_AUTO_PREAMBLE:
610 default:
611 pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
612 break;
613 }
614
615 if (priv->radioon)
616 pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
617 else
618 pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
619
620 lbs_deb_leave(LBS_DEB_CMD);
621 return 0;
622 }
623
624 static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
625 struct cmd_ds_command *cmd,
626 u16 cmd_action, void *pdata_buf)
627 {
628
629 struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
630
631 lbs_deb_enter(LBS_DEB_CMD);
632
633 cmd->size =
634 cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN);
635 cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER);
636 prtp->action = cpu_to_le16(cmd_action);
637
638 lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n",
639 le16_to_cpu(cmd->size), le16_to_cpu(cmd->command),
640 le16_to_cpu(prtp->action));
641
642 switch (cmd_action) {
643 case CMD_ACT_TX_POWER_OPT_GET:
644 prtp->action = cpu_to_le16(CMD_ACT_GET);
645 prtp->currentlevel = 0;
646 break;
647
648 case CMD_ACT_TX_POWER_OPT_SET_HIGH:
649 prtp->action = cpu_to_le16(CMD_ACT_SET);
650 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH);
651 break;
652
653 case CMD_ACT_TX_POWER_OPT_SET_MID:
654 prtp->action = cpu_to_le16(CMD_ACT_SET);
655 prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID);
656 break;
657
658 case CMD_ACT_TX_POWER_OPT_SET_LOW:
659 prtp->action = cpu_to_le16(CMD_ACT_SET);
660 prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
661 break;
662 }
663
664 lbs_deb_leave(LBS_DEB_CMD);
665 return 0;
666 }
667
668 static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
669 struct cmd_ds_command *cmd,
670 u16 cmd_action, void *pdata_buf)
671 {
672 struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
673
674 cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE);
675 cmd->size =
676 cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) +
677 S_DS_GEN);
678
679 monitor->action = cpu_to_le16(cmd_action);
680 if (cmd_action == CMD_ACT_SET) {
681 monitor->mode =
682 cpu_to_le16((u16) (*(u32 *) pdata_buf));
683 }
684
685 return 0;
686 }
687
688 static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
689 struct cmd_ds_command *cmd,
690 u16 cmd_action)
691 {
692 struct cmd_ds_802_11_rate_adapt_rateset
693 *rateadapt = &cmd->params.rateset;
694
695 lbs_deb_enter(LBS_DEB_CMD);
696 cmd->size =
697 cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
698 + S_DS_GEN);
699 cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET);
700
701 rateadapt->action = cpu_to_le16(cmd_action);
702 rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto);
703 rateadapt->bitmap = cpu_to_le16(priv->ratebitmap);
704
705 lbs_deb_leave(LBS_DEB_CMD);
706 return 0;
707 }
708
709 static int lbs_cmd_802_11_data_rate(struct lbs_private *priv,
710 struct cmd_ds_command *cmd,
711 u16 cmd_action)
712 {
713 struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
714
715 lbs_deb_enter(LBS_DEB_CMD);
716
717 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
718 S_DS_GEN);
719 cmd->command = cpu_to_le16(CMD_802_11_DATA_RATE);
720 memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
721 pdatarate->action = cpu_to_le16(cmd_action);
722
723 if (cmd_action == CMD_ACT_SET_TX_FIX_RATE) {
724 pdatarate->rates[0] = lbs_data_rate_to_fw_index(priv->cur_rate);
725 lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n",
726 priv->cur_rate);
727 } else if (cmd_action == CMD_ACT_SET_TX_AUTO) {
728 lbs_deb_cmd("DATA_RATE: setting auto\n");
729 }
730
731 lbs_deb_leave(LBS_DEB_CMD);
732 return 0;
733 }
734
735 static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
736 struct cmd_ds_command *cmd,
737 u16 cmd_action)
738 {
739 struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
740
741 lbs_deb_enter(LBS_DEB_CMD);
742 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
743 S_DS_GEN);
744 cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR);
745
746 lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs);
747 pMCastAdr->action = cpu_to_le16(cmd_action);
748 pMCastAdr->nr_of_adrs =
749 cpu_to_le16((u16) priv->nr_of_multicastmacaddr);
750 memcpy(pMCastAdr->maclist, priv->multicastlist,
751 priv->nr_of_multicastmacaddr * ETH_ALEN);
752
753 lbs_deb_leave(LBS_DEB_CMD);
754 return 0;
755 }
756
757 static int lbs_cmd_802_11_rf_channel(struct lbs_private *priv,
758 struct cmd_ds_command *cmd,
759 int option, void *pdata_buf)
760 {
761 struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
762
763 lbs_deb_enter(LBS_DEB_CMD);
764 cmd->command = cpu_to_le16(CMD_802_11_RF_CHANNEL);
765 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel) +
766 S_DS_GEN);
767
768 if (option == CMD_OPT_802_11_RF_CHANNEL_SET) {
769 rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
770 }
771
772 rfchan->action = cpu_to_le16(option);
773
774 lbs_deb_leave(LBS_DEB_CMD);
775 return 0;
776 }
777
778 static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
779 struct cmd_ds_command *cmd)
780 {
781
782 lbs_deb_enter(LBS_DEB_CMD);
783 cmd->command = cpu_to_le16(CMD_802_11_RSSI);
784 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
785 cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
786
787 /* reset Beacon SNR/NF/RSSI values */
788 priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
789 priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
790 priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
791 priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
792 priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
793 priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
794
795 lbs_deb_leave(LBS_DEB_CMD);
796 return 0;
797 }
798
799 static int lbs_cmd_reg_access(struct lbs_private *priv,
800 struct cmd_ds_command *cmdptr,
801 u8 cmd_action, void *pdata_buf)
802 {
803 struct lbs_offset_value *offval;
804
805 lbs_deb_enter(LBS_DEB_CMD);
806
807 offval = (struct lbs_offset_value *)pdata_buf;
808
809 switch (le16_to_cpu(cmdptr->command)) {
810 case CMD_MAC_REG_ACCESS:
811 {
812 struct cmd_ds_mac_reg_access *macreg;
813
814 cmdptr->size =
815 cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access)
816 + S_DS_GEN);
817 macreg =
818 (struct cmd_ds_mac_reg_access *)&cmdptr->params.
819 macreg;
820
821 macreg->action = cpu_to_le16(cmd_action);
822 macreg->offset = cpu_to_le16((u16) offval->offset);
823 macreg->value = cpu_to_le32(offval->value);
824
825 break;
826 }
827
828 case CMD_BBP_REG_ACCESS:
829 {
830 struct cmd_ds_bbp_reg_access *bbpreg;
831
832 cmdptr->size =
833 cpu_to_le16(sizeof
834 (struct cmd_ds_bbp_reg_access)
835 + S_DS_GEN);
836 bbpreg =
837 (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
838 bbpreg;
839
840 bbpreg->action = cpu_to_le16(cmd_action);
841 bbpreg->offset = cpu_to_le16((u16) offval->offset);
842 bbpreg->value = (u8) offval->value;
843
844 break;
845 }
846
847 case CMD_RF_REG_ACCESS:
848 {
849 struct cmd_ds_rf_reg_access *rfreg;
850
851 cmdptr->size =
852 cpu_to_le16(sizeof
853 (struct cmd_ds_rf_reg_access) +
854 S_DS_GEN);
855 rfreg =
856 (struct cmd_ds_rf_reg_access *)&cmdptr->params.
857 rfreg;
858
859 rfreg->action = cpu_to_le16(cmd_action);
860 rfreg->offset = cpu_to_le16((u16) offval->offset);
861 rfreg->value = (u8) offval->value;
862
863 break;
864 }
865
866 default:
867 break;
868 }
869
870 lbs_deb_leave(LBS_DEB_CMD);
871 return 0;
872 }
873
874 static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
875 struct cmd_ds_command *cmd,
876 u16 cmd_action)
877 {
878
879 lbs_deb_enter(LBS_DEB_CMD);
880 cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS);
881 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
882 S_DS_GEN);
883 cmd->result = 0;
884
885 cmd->params.macadd.action = cpu_to_le16(cmd_action);
886
887 if (cmd_action == CMD_ACT_SET) {
888 memcpy(cmd->params.macadd.macadd,
889 priv->current_addr, ETH_ALEN);
890 lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
891 }
892
893 lbs_deb_leave(LBS_DEB_CMD);
894 return 0;
895 }
896
897 static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
898 struct cmd_ds_command *cmd,
899 int cmd_action, void *pdata_buf)
900 {
901 struct lbs_ioctl_regrdwr *ea = pdata_buf;
902
903 lbs_deb_enter(LBS_DEB_CMD);
904
905 cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS);
906 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
907 S_DS_GEN);
908 cmd->result = 0;
909
910 cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
911 cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
912 cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
913 cmd->params.rdeeprom.value = 0;
914
915 lbs_deb_leave(LBS_DEB_CMD);
916 return 0;
917 }
918
919 static int lbs_cmd_bt_access(struct lbs_private *priv,
920 struct cmd_ds_command *cmd,
921 u16 cmd_action, void *pdata_buf)
922 {
923 struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
924 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
925
926 cmd->command = cpu_to_le16(CMD_BT_ACCESS);
927 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN);
928 cmd->result = 0;
929 bt_access->action = cpu_to_le16(cmd_action);
930
931 switch (cmd_action) {
932 case CMD_ACT_BT_ACCESS_ADD:
933 memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
934 lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6);
935 break;
936 case CMD_ACT_BT_ACCESS_DEL:
937 memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
938 lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6);
939 break;
940 case CMD_ACT_BT_ACCESS_LIST:
941 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
942 break;
943 case CMD_ACT_BT_ACCESS_RESET:
944 break;
945 case CMD_ACT_BT_ACCESS_SET_INVERT:
946 bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
947 break;
948 case CMD_ACT_BT_ACCESS_GET_INVERT:
949 break;
950 default:
951 break;
952 }
953 lbs_deb_leave(LBS_DEB_CMD);
954 return 0;
955 }
956
957 static int lbs_cmd_fwt_access(struct lbs_private *priv,
958 struct cmd_ds_command *cmd,
959 u16 cmd_action, void *pdata_buf)
960 {
961 struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
962 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
963
964 cmd->command = cpu_to_le16(CMD_FWT_ACCESS);
965 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN);
966 cmd->result = 0;
967
968 if (pdata_buf)
969 memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
970 else
971 memset(fwt_access, 0, sizeof(*fwt_access));
972
973 fwt_access->action = cpu_to_le16(cmd_action);
974
975 lbs_deb_leave(LBS_DEB_CMD);
976 return 0;
977 }
978
979 int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
980 struct cmd_ds_mesh_access *cmd)
981 {
982 int ret;
983
984 lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
985
986 cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
987 cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
988 cmd->hdr.result = 0;
989
990 cmd->action = cpu_to_le16(cmd_action);
991
992 ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, (*cmd));
993
994 lbs_deb_leave(LBS_DEB_CMD);
995 return ret;
996 }
997 EXPORT_SYMBOL_GPL(lbs_mesh_access);
998
999 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
1000 struct cmd_ds_command *cmd,
1001 u16 cmd_action)
1002 {
1003 struct cmd_ds_802_11_beacon_control
1004 *bcn_ctrl = &cmd->params.bcn_ctrl;
1005
1006 lbs_deb_enter(LBS_DEB_CMD);
1007 cmd->size =
1008 cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
1009 + S_DS_GEN);
1010 cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
1011
1012 bcn_ctrl->action = cpu_to_le16(cmd_action);
1013 bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
1014 bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
1015
1016 lbs_deb_leave(LBS_DEB_CMD);
1017 return 0;
1018 }
1019
1020 /*
1021 * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
1022 * the command timer, because it does not account for queued commands.
1023 */
1024 void lbs_queue_cmd(struct lbs_private *priv,
1025 struct cmd_ctrl_node *cmdnode,
1026 u8 addtail)
1027 {
1028 unsigned long flags;
1029
1030 lbs_deb_enter(LBS_DEB_HOST);
1031
1032 if (!cmdnode || !cmdnode->cmdbuf) {
1033 lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
1034 goto done;
1035 }
1036
1037 /* Exit_PS command needs to be queued in the header always. */
1038 if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
1039 struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
1040
1041 if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1042 if (priv->psstate != PS_STATE_FULL_POWER)
1043 addtail = 0;
1044 }
1045 }
1046
1047 spin_lock_irqsave(&priv->driver_lock, flags);
1048
1049 if (addtail)
1050 list_add_tail(&cmdnode->list, &priv->cmdpendingq);
1051 else
1052 list_add(&cmdnode->list, &priv->cmdpendingq);
1053
1054 spin_unlock_irqrestore(&priv->driver_lock, flags);
1055
1056 lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
1057 le16_to_cpu(cmdnode->cmdbuf->command));
1058
1059 done:
1060 lbs_deb_leave(LBS_DEB_HOST);
1061 }
1062
1063 /*
1064 * TODO: Fix the issue when DownloadcommandToStation is being called the
1065 * second time when the command times out. All the cmdptr->xxx are in little
1066 * endian and therefore all the comparissions will fail.
1067 * For now - we are not performing the endian conversion the second time - but
1068 * for PS and DEEP_SLEEP we need to worry
1069 */
1070 static int DownloadcommandToStation(struct lbs_private *priv,
1071 struct cmd_ctrl_node *cmdnode)
1072 {
1073 unsigned long flags;
1074 struct cmd_header *cmd;
1075 int ret = -1;
1076 u16 cmdsize;
1077 u16 command;
1078
1079 lbs_deb_enter(LBS_DEB_HOST);
1080
1081 if (!priv || !cmdnode) {
1082 lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
1083 goto done;
1084 }
1085
1086 cmd = cmdnode->cmdbuf;
1087
1088 spin_lock_irqsave(&priv->driver_lock, flags);
1089 if (!cmd || !cmd->size) {
1090 lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
1091 __lbs_cleanup_and_insert_cmd(priv, cmdnode);
1092 spin_unlock_irqrestore(&priv->driver_lock, flags);
1093 goto done;
1094 }
1095
1096 priv->cur_cmd = cmdnode;
1097 priv->cur_cmd_retcode = 0;
1098 spin_unlock_irqrestore(&priv->driver_lock, flags);
1099
1100 cmdsize = le16_to_cpu(cmd->size);
1101 command = le16_to_cpu(cmd->command);
1102
1103 lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
1104 command, cmdsize, jiffies);
1105 lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
1106
1107 cmdnode->cmdwaitqwoken = 0;
1108
1109 ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
1110
1111 if (ret != 0) {
1112 lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
1113 spin_lock_irqsave(&priv->driver_lock, flags);
1114 priv->cur_cmd_retcode = ret;
1115 __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
1116 priv->cur_cmd = NULL;
1117 spin_unlock_irqrestore(&priv->driver_lock, flags);
1118 goto done;
1119 }
1120
1121 lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
1122
1123 /* Setup the timer after transmit command */
1124 if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
1125 || command == CMD_802_11_ASSOCIATE)
1126 mod_timer(&priv->command_timer, jiffies + (10*HZ));
1127 else
1128 mod_timer(&priv->command_timer, jiffies + (5*HZ));
1129
1130 ret = 0;
1131
1132 done:
1133 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1134 return ret;
1135 }
1136
1137 static int lbs_cmd_mac_control(struct lbs_private *priv,
1138 struct cmd_ds_command *cmd)
1139 {
1140 struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
1141
1142 lbs_deb_enter(LBS_DEB_CMD);
1143
1144 cmd->command = cpu_to_le16(CMD_MAC_CONTROL);
1145 cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
1146 mac->action = cpu_to_le16(priv->currentpacketfilter);
1147
1148 lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
1149 le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
1150
1151 lbs_deb_leave(LBS_DEB_CMD);
1152 return 0;
1153 }
1154
1155 /**
1156 * This function inserts command node to cmdfreeq
1157 * after cleans it. Requires priv->driver_lock held.
1158 */
1159 void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1160 struct cmd_ctrl_node *ptempcmd)
1161 {
1162
1163 if (!ptempcmd)
1164 return;
1165
1166 cleanup_cmdnode(ptempcmd);
1167 list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
1168 }
1169
1170 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
1171 struct cmd_ctrl_node *ptempcmd)
1172 {
1173 unsigned long flags;
1174
1175 spin_lock_irqsave(&priv->driver_lock, flags);
1176 __lbs_cleanup_and_insert_cmd(priv, ptempcmd);
1177 spin_unlock_irqrestore(&priv->driver_lock, flags);
1178 }
1179
1180 int lbs_set_radio_control(struct lbs_private *priv)
1181 {
1182 int ret = 0;
1183
1184 lbs_deb_enter(LBS_DEB_CMD);
1185
1186 ret = lbs_prepare_and_send_command(priv,
1187 CMD_802_11_RADIO_CONTROL,
1188 CMD_ACT_SET,
1189 CMD_OPTION_WAITFORRSP, 0, NULL);
1190
1191 lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
1192 priv->radioon, priv->preamble);
1193
1194 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1195 return ret;
1196 }
1197
1198 int lbs_set_mac_packet_filter(struct lbs_private *priv)
1199 {
1200 int ret = 0;
1201
1202 lbs_deb_enter(LBS_DEB_CMD);
1203
1204 /* Send MAC control command to station */
1205 ret = lbs_prepare_and_send_command(priv,
1206 CMD_MAC_CONTROL, 0, 0, 0, NULL);
1207
1208 lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
1209 return ret;
1210 }
1211
1212 /**
1213 * @brief This function prepare the command before send to firmware.
1214 *
1215 * @param priv A pointer to struct lbs_private structure
1216 * @param cmd_no command number
1217 * @param cmd_action command action: GET or SET
1218 * @param wait_option wait option: wait response or not
1219 * @param cmd_oid cmd oid: treated as sub command
1220 * @param pdata_buf A pointer to informaion buffer
1221 * @return 0 or -1
1222 */
1223 int lbs_prepare_and_send_command(struct lbs_private *priv,
1224 u16 cmd_no,
1225 u16 cmd_action,
1226 u16 wait_option, u32 cmd_oid, void *pdata_buf)
1227 {
1228 int ret = 0;
1229 struct cmd_ctrl_node *cmdnode;
1230 struct cmd_ds_command *cmdptr;
1231 unsigned long flags;
1232
1233 lbs_deb_enter(LBS_DEB_HOST);
1234
1235 if (!priv) {
1236 lbs_deb_host("PREP_CMD: priv is NULL\n");
1237 ret = -1;
1238 goto done;
1239 }
1240
1241 if (priv->surpriseremoved) {
1242 lbs_deb_host("PREP_CMD: card removed\n");
1243 ret = -1;
1244 goto done;
1245 }
1246
1247 cmdnode = lbs_get_cmd_ctrl_node(priv);
1248
1249 if (cmdnode == NULL) {
1250 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
1251
1252 /* Wake up main thread to execute next command */
1253 wake_up_interruptible(&priv->waitq);
1254 ret = -1;
1255 goto done;
1256 }
1257
1258 lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
1259
1260 cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
1261
1262 lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
1263
1264 if (!cmdptr) {
1265 lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
1266 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1267 ret = -1;
1268 goto done;
1269 }
1270
1271 /* Set sequence number, command and INT option */
1272 priv->seqnum++;
1273 cmdptr->seqnum = cpu_to_le16(priv->seqnum);
1274
1275 cmdptr->command = cpu_to_le16(cmd_no);
1276 cmdptr->result = 0;
1277
1278 switch (cmd_no) {
1279 case CMD_802_11_PS_MODE:
1280 ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
1281 break;
1282
1283 case CMD_802_11_SCAN:
1284 ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
1285 break;
1286
1287 case CMD_MAC_CONTROL:
1288 ret = lbs_cmd_mac_control(priv, cmdptr);
1289 break;
1290
1291 case CMD_802_11_ASSOCIATE:
1292 case CMD_802_11_REASSOCIATE:
1293 ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
1294 break;
1295
1296 case CMD_802_11_DEAUTHENTICATE:
1297 ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
1298 break;
1299
1300 case CMD_802_11_SET_WEP:
1301 ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
1302 break;
1303
1304 case CMD_802_11_AD_HOC_START:
1305 ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
1306 break;
1307 case CMD_CODE_DNLD:
1308 break;
1309
1310 case CMD_802_11_RESET:
1311 ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
1312 break;
1313
1314 case CMD_802_11_GET_LOG:
1315 ret = lbs_cmd_802_11_get_log(priv, cmdptr);
1316 break;
1317
1318 case CMD_802_11_AUTHENTICATE:
1319 ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
1320 break;
1321
1322 case CMD_802_11_GET_STAT:
1323 ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
1324 break;
1325
1326 case CMD_802_11_SNMP_MIB:
1327 ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
1328 cmd_action, cmd_oid, pdata_buf);
1329 break;
1330
1331 case CMD_MAC_REG_ACCESS:
1332 case CMD_BBP_REG_ACCESS:
1333 case CMD_RF_REG_ACCESS:
1334 ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
1335 break;
1336
1337 case CMD_802_11_RF_CHANNEL:
1338 ret = lbs_cmd_802_11_rf_channel(priv, cmdptr,
1339 cmd_action, pdata_buf);
1340 break;
1341
1342 case CMD_802_11_RF_TX_POWER:
1343 ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
1344 cmd_action, pdata_buf);
1345 break;
1346
1347 case CMD_802_11_RADIO_CONTROL:
1348 ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
1349 break;
1350
1351 case CMD_802_11_DATA_RATE:
1352 ret = lbs_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
1353 break;
1354 case CMD_802_11_RATE_ADAPT_RATESET:
1355 ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
1356 cmdptr, cmd_action);
1357 break;
1358
1359 case CMD_MAC_MULTICAST_ADR:
1360 ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
1361 break;
1362
1363 case CMD_802_11_MONITOR_MODE:
1364 ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
1365 cmd_action, pdata_buf);
1366 break;
1367
1368 case CMD_802_11_AD_HOC_JOIN:
1369 ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
1370 break;
1371
1372 case CMD_802_11_RSSI:
1373 ret = lbs_cmd_802_11_rssi(priv, cmdptr);
1374 break;
1375
1376 case CMD_802_11_AD_HOC_STOP:
1377 ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
1378 break;
1379
1380 case CMD_802_11_ENABLE_RSN:
1381 ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
1382 pdata_buf);
1383 break;
1384
1385 case CMD_802_11_KEY_MATERIAL:
1386 ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action,
1387 cmd_oid, pdata_buf);
1388 break;
1389
1390 case CMD_802_11_PAIRWISE_TSC:
1391 break;
1392 case CMD_802_11_GROUP_TSC:
1393 break;
1394
1395 case CMD_802_11_MAC_ADDRESS:
1396 ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
1397 break;
1398
1399 case CMD_802_11_EEPROM_ACCESS:
1400 ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
1401 cmd_action, pdata_buf);
1402 break;
1403
1404 case CMD_802_11_SET_AFC:
1405 case CMD_802_11_GET_AFC:
1406
1407 cmdptr->command = cpu_to_le16(cmd_no);
1408 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
1409 S_DS_GEN);
1410
1411 memmove(&cmdptr->params.afc,
1412 pdata_buf, sizeof(struct cmd_ds_802_11_afc));
1413
1414 ret = 0;
1415 goto done;
1416
1417 case CMD_802_11D_DOMAIN_INFO:
1418 ret = lbs_cmd_802_11d_domain_info(priv, cmdptr,
1419 cmd_no, cmd_action);
1420 break;
1421
1422 case CMD_802_11_SLEEP_PARAMS:
1423 ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
1424 break;
1425 case CMD_802_11_INACTIVITY_TIMEOUT:
1426 ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
1427 cmd_action, pdata_buf);
1428 lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
1429 break;
1430
1431 case CMD_802_11_TPC_CFG:
1432 cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
1433 cmdptr->size =
1434 cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
1435 S_DS_GEN);
1436
1437 memmove(&cmdptr->params.tpccfg,
1438 pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
1439
1440 ret = 0;
1441 break;
1442 case CMD_802_11_LED_GPIO_CTRL:
1443 {
1444 struct mrvlietypes_ledgpio *gpio =
1445 (struct mrvlietypes_ledgpio*)
1446 cmdptr->params.ledgpio.data;
1447
1448 memmove(&cmdptr->params.ledgpio,
1449 pdata_buf,
1450 sizeof(struct cmd_ds_802_11_led_ctrl));
1451
1452 cmdptr->command =
1453 cpu_to_le16(CMD_802_11_LED_GPIO_CTRL);
1454
1455 #define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
1456 cmdptr->size =
1457 cpu_to_le16(le16_to_cpu(gpio->header.len)
1458 + S_DS_GEN
1459 + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
1460 gpio->header.len = gpio->header.len;
1461
1462 ret = 0;
1463 break;
1464 }
1465 case CMD_802_11_SUBSCRIBE_EVENT:
1466 lbs_cmd_802_11_subscribe_event(priv, cmdptr,
1467 cmd_action, pdata_buf);
1468 break;
1469 case CMD_802_11_PWR_CFG:
1470 cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG);
1471 cmdptr->size =
1472 cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
1473 S_DS_GEN);
1474 memmove(&cmdptr->params.pwrcfg, pdata_buf,
1475 sizeof(struct cmd_ds_802_11_pwr_cfg));
1476
1477 ret = 0;
1478 break;
1479 case CMD_BT_ACCESS:
1480 ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
1481 break;
1482
1483 case CMD_FWT_ACCESS:
1484 ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
1485 break;
1486
1487 case CMD_GET_TSF:
1488 cmdptr->command = cpu_to_le16(CMD_GET_TSF);
1489 cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) +
1490 S_DS_GEN);
1491 ret = 0;
1492 break;
1493 case CMD_802_11_BEACON_CTRL:
1494 ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action);
1495 break;
1496 default:
1497 lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no);
1498 ret = -1;
1499 break;
1500 }
1501
1502 /* return error, since the command preparation failed */
1503 if (ret != 0) {
1504 lbs_deb_host("PREP_CMD: command preparation failed\n");
1505 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1506 ret = -1;
1507 goto done;
1508 }
1509
1510 cmdnode->cmdwaitqwoken = 0;
1511
1512 lbs_queue_cmd(priv, cmdnode, 1);
1513 wake_up_interruptible(&priv->waitq);
1514
1515 if (wait_option & CMD_OPTION_WAITFORRSP) {
1516 lbs_deb_host("PREP_CMD: wait for response\n");
1517 might_sleep();
1518 wait_event_interruptible(cmdnode->cmdwait_q,
1519 cmdnode->cmdwaitqwoken);
1520 }
1521
1522 spin_lock_irqsave(&priv->driver_lock, flags);
1523 if (priv->cur_cmd_retcode) {
1524 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
1525 priv->cur_cmd_retcode);
1526 priv->cur_cmd_retcode = 0;
1527 ret = -1;
1528 }
1529 spin_unlock_irqrestore(&priv->driver_lock, flags);
1530
1531 done:
1532 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1533 return ret;
1534 }
1535 EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
1536
1537 /**
1538 * @brief This function allocates the command buffer and link
1539 * it to command free queue.
1540 *
1541 * @param priv A pointer to struct lbs_private structure
1542 * @return 0 or -1
1543 */
1544 int lbs_allocate_cmd_buffer(struct lbs_private *priv)
1545 {
1546 int ret = 0;
1547 u32 bufsize;
1548 u32 i;
1549 struct cmd_ctrl_node *cmdarray;
1550
1551 lbs_deb_enter(LBS_DEB_HOST);
1552
1553 /* Allocate and initialize the command array */
1554 bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS;
1555 if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) {
1556 lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n");
1557 ret = -1;
1558 goto done;
1559 }
1560 priv->cmd_array = cmdarray;
1561
1562 /* Allocate and initialize each command buffer in the command array */
1563 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1564 cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL);
1565 if (!cmdarray[i].cmdbuf) {
1566 lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
1567 ret = -1;
1568 goto done;
1569 }
1570 }
1571
1572 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1573 init_waitqueue_head(&cmdarray[i].cmdwait_q);
1574 lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
1575 }
1576 ret = 0;
1577
1578 done:
1579 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1580 return ret;
1581 }
1582
1583 /**
1584 * @brief This function frees the command buffer.
1585 *
1586 * @param priv A pointer to struct lbs_private structure
1587 * @return 0 or -1
1588 */
1589 int lbs_free_cmd_buffer(struct lbs_private *priv)
1590 {
1591 struct cmd_ctrl_node *cmdarray;
1592 unsigned int i;
1593
1594 lbs_deb_enter(LBS_DEB_HOST);
1595
1596 /* need to check if cmd array is allocated or not */
1597 if (priv->cmd_array == NULL) {
1598 lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n");
1599 goto done;
1600 }
1601
1602 cmdarray = priv->cmd_array;
1603
1604 /* Release shared memory buffers */
1605 for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
1606 if (cmdarray[i].cmdbuf) {
1607 kfree(cmdarray[i].cmdbuf);
1608 cmdarray[i].cmdbuf = NULL;
1609 }
1610 }
1611
1612 /* Release cmd_ctrl_node */
1613 if (priv->cmd_array) {
1614 kfree(priv->cmd_array);
1615 priv->cmd_array = NULL;
1616 }
1617
1618 done:
1619 lbs_deb_leave(LBS_DEB_HOST);
1620 return 0;
1621 }
1622
1623 /**
1624 * @brief This function gets a free command node if available in
1625 * command free queue.
1626 *
1627 * @param priv A pointer to struct lbs_private structure
1628 * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
1629 */
1630 struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
1631 {
1632 struct cmd_ctrl_node *tempnode;
1633 unsigned long flags;
1634
1635 lbs_deb_enter(LBS_DEB_HOST);
1636
1637 if (!priv)
1638 return NULL;
1639
1640 spin_lock_irqsave(&priv->driver_lock, flags);
1641
1642 if (!list_empty(&priv->cmdfreeq)) {
1643 tempnode = list_first_entry(&priv->cmdfreeq,
1644 struct cmd_ctrl_node, list);
1645 list_del(&tempnode->list);
1646 } else {
1647 lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n");
1648 tempnode = NULL;
1649 }
1650
1651 spin_unlock_irqrestore(&priv->driver_lock, flags);
1652
1653 if (tempnode)
1654 cleanup_cmdnode(tempnode);
1655
1656 lbs_deb_leave(LBS_DEB_HOST);
1657 return tempnode;
1658 }
1659
1660 /**
1661 * @brief This function cleans command node.
1662 *
1663 * @param ptempnode A pointer to cmdCtrlNode structure
1664 * @return n/a
1665 */
1666 static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode)
1667 {
1668 lbs_deb_enter(LBS_DEB_HOST);
1669
1670 if (!cmdnode)
1671 return;
1672 cmdnode->cmdwaitqwoken = 1;
1673 wake_up_interruptible(&cmdnode->cmdwait_q);
1674 cmdnode->wait_option = 0;
1675 cmdnode->pdata_buf = NULL;
1676 cmdnode->callback = NULL;
1677 cmdnode->callback_arg = 0;
1678
1679 if (cmdnode->cmdbuf != NULL)
1680 memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
1681
1682 lbs_deb_leave(LBS_DEB_HOST);
1683 }
1684
1685 /**
1686 * @brief This function initializes the command node.
1687 *
1688 * @param priv A pointer to struct lbs_private structure
1689 * @param ptempnode A pointer to cmd_ctrl_node structure
1690 * @param wait_option wait option: wait response or not
1691 * @param pdata_buf A pointer to informaion buffer
1692 * @return 0 or -1
1693 */
1694 void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
1695 struct cmd_ctrl_node *ptempnode,
1696 u16 wait_option, void *pdata_buf)
1697 {
1698 lbs_deb_enter(LBS_DEB_HOST);
1699
1700 if (!ptempnode)
1701 return;
1702
1703 ptempnode->wait_option = wait_option;
1704 ptempnode->pdata_buf = pdata_buf;
1705 ptempnode->callback = NULL;
1706 ptempnode->callback_arg = 0;
1707
1708 lbs_deb_leave(LBS_DEB_HOST);
1709 }
1710
1711 /**
1712 * @brief This function executes next command in command
1713 * pending queue. It will put fimware back to PS mode
1714 * if applicable.
1715 *
1716 * @param priv A pointer to struct lbs_private structure
1717 * @return 0 or -1
1718 */
1719 int lbs_execute_next_command(struct lbs_private *priv)
1720 {
1721 struct cmd_ctrl_node *cmdnode = NULL;
1722 struct cmd_header *cmd;
1723 unsigned long flags;
1724 int ret = 0;
1725
1726 // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
1727 // only caller to us is lbs_thread() and we get even when a
1728 // data packet is received
1729 lbs_deb_enter(LBS_DEB_THREAD);
1730
1731 spin_lock_irqsave(&priv->driver_lock, flags);
1732
1733 if (priv->cur_cmd) {
1734 lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
1735 spin_unlock_irqrestore(&priv->driver_lock, flags);
1736 ret = -1;
1737 goto done;
1738 }
1739
1740 if (!list_empty(&priv->cmdpendingq)) {
1741 cmdnode = list_first_entry(&priv->cmdpendingq,
1742 struct cmd_ctrl_node, list);
1743 }
1744
1745 spin_unlock_irqrestore(&priv->driver_lock, flags);
1746
1747 if (cmdnode) {
1748 cmd = cmdnode->cmdbuf;
1749
1750 if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) {
1751 if ((priv->psstate == PS_STATE_SLEEP) ||
1752 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1753 lbs_deb_host(
1754 "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n",
1755 le16_to_cpu(cmd->command),
1756 priv->psstate);
1757 ret = -1;
1758 goto done;
1759 }
1760 lbs_deb_host("EXEC_NEXT_CMD: OK to send command "
1761 "0x%04x in psstate %d\n",
1762 le16_to_cpu(cmd->command), priv->psstate);
1763 } else if (priv->psstate != PS_STATE_FULL_POWER) {
1764 /*
1765 * 1. Non-PS command:
1766 * Queue it. set needtowakeup to TRUE if current state
1767 * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS.
1768 * 2. PS command but not Exit_PS:
1769 * Ignore it.
1770 * 3. PS command Exit_PS:
1771 * Set needtowakeup to TRUE if current state is SLEEP,
1772 * otherwise send this command down to firmware
1773 * immediately.
1774 */
1775 if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) {
1776 /* Prepare to send Exit PS,
1777 * this non PS command will be sent later */
1778 if ((priv->psstate == PS_STATE_SLEEP)
1779 || (priv->psstate == PS_STATE_PRE_SLEEP)
1780 ) {
1781 /* w/ new scheme, it will not reach here.
1782 since it is blocked in main_thread. */
1783 priv->needtowakeup = 1;
1784 } else
1785 lbs_ps_wakeup(priv, 0);
1786
1787 ret = 0;
1788 goto done;
1789 } else {
1790 /*
1791 * PS command. Ignore it if it is not Exit_PS.
1792 * otherwise send it down immediately.
1793 */
1794 struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
1795
1796 lbs_deb_host(
1797 "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
1798 psm->action);
1799 if (psm->action !=
1800 cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
1801 lbs_deb_host(
1802 "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
1803 list_del(&cmdnode->list);
1804 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1805
1806 ret = 0;
1807 goto done;
1808 }
1809
1810 if ((priv->psstate == PS_STATE_SLEEP) ||
1811 (priv->psstate == PS_STATE_PRE_SLEEP)) {
1812 lbs_deb_host(
1813 "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
1814 list_del(&cmdnode->list);
1815 lbs_cleanup_and_insert_cmd(priv, cmdnode);
1816 priv->needtowakeup = 1;
1817
1818 ret = 0;
1819 goto done;
1820 }
1821
1822 lbs_deb_host(
1823 "EXEC_NEXT_CMD: sending EXIT_PS\n");
1824 }
1825 }
1826 list_del(&cmdnode->list);
1827 lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
1828 le16_to_cpu(cmd->command));
1829 DownloadcommandToStation(priv, cmdnode);
1830 } else {
1831 /*
1832 * check if in power save mode, if yes, put the device back
1833 * to PS mode
1834 */
1835 if ((priv->psmode != LBS802_11POWERMODECAM) &&
1836 (priv->psstate == PS_STATE_FULL_POWER) &&
1837 ((priv->connect_status == LBS_CONNECTED) ||
1838 (priv->mesh_connect_status == LBS_CONNECTED))) {
1839 if (priv->secinfo.WPAenabled ||
1840 priv->secinfo.WPA2enabled) {
1841 /* check for valid WPA group keys */
1842 if (priv->wpa_mcast_key.len ||
1843 priv->wpa_unicast_key.len) {
1844 lbs_deb_host(
1845 "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
1846 " go back to PS_SLEEP");
1847 lbs_ps_sleep(priv, 0);
1848 }
1849 } else {
1850 lbs_deb_host(
1851 "EXEC_NEXT_CMD: cmdpendingq empty, "
1852 "go back to PS_SLEEP");
1853 lbs_ps_sleep(priv, 0);
1854 }
1855 }
1856 }
1857
1858 ret = 0;
1859 done:
1860 lbs_deb_leave(LBS_DEB_THREAD);
1861 return ret;
1862 }
1863
1864 void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
1865 {
1866 union iwreq_data iwrq;
1867 u8 buf[50];
1868
1869 lbs_deb_enter(LBS_DEB_WEXT);
1870
1871 memset(&iwrq, 0, sizeof(union iwreq_data));
1872 memset(buf, 0, sizeof(buf));
1873
1874 snprintf(buf, sizeof(buf) - 1, "%s", str);
1875
1876 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
1877
1878 /* Send Event to upper layer */
1879 lbs_deb_wext("event indication string %s\n", (char *)buf);
1880 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
1881 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
1882
1883 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
1884
1885 lbs_deb_leave(LBS_DEB_WEXT);
1886 }
1887
1888 static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
1889 {
1890 unsigned long flags;
1891 int ret = 0;
1892
1893 lbs_deb_enter(LBS_DEB_HOST);
1894
1895 lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
1896 size);
1897
1898 lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
1899
1900 ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
1901 priv->dnld_sent = DNLD_RES_RECEIVED;
1902
1903 spin_lock_irqsave(&priv->driver_lock, flags);
1904 if (priv->intcounter || priv->currenttxskb)
1905 lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
1906 priv->intcounter, priv->currenttxskb);
1907 spin_unlock_irqrestore(&priv->driver_lock, flags);
1908
1909 if (ret) {
1910 lbs_pr_alert(
1911 "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
1912 } else {
1913 spin_lock_irqsave(&priv->driver_lock, flags);
1914 if (!priv->intcounter) {
1915 priv->psstate = PS_STATE_SLEEP;
1916 } else {
1917 lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
1918 priv->intcounter);
1919 }
1920 spin_unlock_irqrestore(&priv->driver_lock, flags);
1921
1922 lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
1923 }
1924
1925 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
1926 return ret;
1927 }
1928
1929 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
1930 {
1931 lbs_deb_enter(LBS_DEB_HOST);
1932
1933 /*
1934 * PS is currently supported only in Infrastructure mode
1935 * Remove this check if it is to be supported in IBSS mode also
1936 */
1937
1938 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1939 CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL);
1940
1941 lbs_deb_leave(LBS_DEB_HOST);
1942 }
1943
1944 /**
1945 * @brief This function sends Exit_PS command to firmware.
1946 *
1947 * @param priv A pointer to struct lbs_private structure
1948 * @param wait_option wait response or not
1949 * @return n/a
1950 */
1951 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
1952 {
1953 __le32 Localpsmode;
1954
1955 lbs_deb_enter(LBS_DEB_HOST);
1956
1957 Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
1958
1959 lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
1960 CMD_SUBCMD_EXIT_PS,
1961 wait_option, 0, &Localpsmode);
1962
1963 lbs_deb_leave(LBS_DEB_HOST);
1964 }
1965
1966 /**
1967 * @brief This function checks condition and prepares to
1968 * send sleep confirm command to firmware if ok.
1969 *
1970 * @param priv A pointer to struct lbs_private structure
1971 * @param psmode Power Saving mode
1972 * @return n/a
1973 */
1974 void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
1975 {
1976 unsigned long flags =0;
1977 u8 allowed = 1;
1978
1979 lbs_deb_enter(LBS_DEB_HOST);
1980
1981 if (priv->dnld_sent) {
1982 allowed = 0;
1983 lbs_deb_host("dnld_sent was set");
1984 }
1985
1986 spin_lock_irqsave(&priv->driver_lock, flags);
1987 if (priv->cur_cmd) {
1988 allowed = 0;
1989 lbs_deb_host("cur_cmd was set");
1990 }
1991 if (priv->intcounter > 0) {
1992 allowed = 0;
1993 lbs_deb_host("intcounter %d", priv->intcounter);
1994 }
1995 spin_unlock_irqrestore(&priv->driver_lock, flags);
1996
1997 if (allowed) {
1998 lbs_deb_host("sending lbs_ps_confirm_sleep\n");
1999 sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
2000 sizeof(struct PS_CMD_ConfirmSleep));
2001 } else {
2002 lbs_deb_host("sleep confirm has been delayed\n");
2003 }
2004
2005 lbs_deb_leave(LBS_DEB_HOST);
2006 }
2007
2008
2009 /**
2010 * @brief Simple callback that copies response back into command
2011 *
2012 * @param priv A pointer to struct lbs_private structure
2013 * @param extra A pointer to the original command structure for which
2014 * 'resp' is a response
2015 * @param resp A pointer to the command response
2016 *
2017 * @return 0 on success, error on failure
2018 */
2019 int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
2020 struct cmd_header *resp)
2021 {
2022 struct cmd_header *buf = (void *)extra;
2023 uint16_t copy_len;
2024
2025 lbs_deb_enter(LBS_DEB_CMD);
2026
2027 copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
2028 lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
2029 "copy back buffer was %u bytes\n", copy_len,
2030 le16_to_cpu(resp->size), le16_to_cpu(buf->size));
2031 memcpy(buf, resp, copy_len);
2032
2033 lbs_deb_leave(LBS_DEB_CMD);
2034 return 0;
2035 }
2036
2037 /**
2038 * @brief Simple way to call firmware functions
2039 *
2040 * @param priv A pointer to struct lbs_private structure
2041 * @param psmode one of the many CMD_802_11_xxxx
2042 * @param cmd pointer to the parameters structure for above command
2043 * (this should not include the command, size, sequence
2044 * and result fields from struct cmd_ds_gen)
2045 * @param cmd_size size structure pointed to by cmd
2046 * @param rsp pointer to an area where the result should be placed
2047 * @param rsp_size pointer to the size of the rsp area. If the firmware
2048 * returns fewer bytes, then this *rsp_size will be
2049 * changed to the actual size.
2050 * @return -1 in case of a higher level error, otherwise
2051 * the result code from the firmware
2052 */
2053 int __lbs_cmd(struct lbs_private *priv, uint16_t command,
2054 struct cmd_header *in_cmd, int in_cmd_size,
2055 int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
2056 unsigned long callback_arg)
2057 {
2058 struct cmd_ctrl_node *cmdnode;
2059 unsigned long flags;
2060 int ret = 0;
2061
2062 lbs_deb_enter(LBS_DEB_HOST);
2063
2064 if (!priv) {
2065 lbs_deb_host("PREP_CMD: priv is NULL\n");
2066 ret = -1;
2067 goto done;
2068 }
2069
2070 if (priv->surpriseremoved) {
2071 lbs_deb_host("PREP_CMD: card removed\n");
2072 ret = -1;
2073 goto done;
2074 }
2075
2076 cmdnode = lbs_get_cmd_ctrl_node(priv);
2077 if (cmdnode == NULL) {
2078 lbs_deb_host("PREP_CMD: cmdnode is NULL\n");
2079
2080 /* Wake up main thread to execute next command */
2081 wake_up_interruptible(&priv->waitq);
2082 ret = -1;
2083 goto done;
2084 }
2085
2086 cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
2087 cmdnode->callback = callback;
2088 cmdnode->callback_arg = callback_arg;
2089
2090 /* Copy the incoming command to the buffer */
2091 memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size);
2092
2093 /* Set sequence number, clean result, move to buffer */
2094 priv->seqnum++;
2095 cmdnode->cmdbuf->command = cpu_to_le16(command);
2096 cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size);
2097 cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum);
2098 cmdnode->cmdbuf->result = 0;
2099
2100 lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
2101
2102 /* here was the big old switch() statement, which is now obsolete,
2103 * because the caller of lbs_cmd() sets up all of *cmd for us. */
2104
2105 cmdnode->cmdwaitqwoken = 0;
2106 lbs_queue_cmd(priv, cmdnode, 1);
2107 wake_up_interruptible(&priv->waitq);
2108
2109 might_sleep();
2110 wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
2111
2112 spin_lock_irqsave(&priv->driver_lock, flags);
2113 if (priv->cur_cmd_retcode) {
2114 lbs_deb_host("PREP_CMD: command failed with return code %d\n",
2115 priv->cur_cmd_retcode);
2116 priv->cur_cmd_retcode = 0;
2117 ret = -1;
2118 }
2119 spin_unlock_irqrestore(&priv->driver_lock, flags);
2120
2121 done:
2122 lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
2123 return ret;
2124 }
2125 EXPORT_SYMBOL_GPL(__lbs_cmd);
2126
2127
WRT350N Kernel Patches