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Commit | Line | Data |
---|---|---|
876c9d3a MT |
1 | /** |
2 | * This file contains the handling of command. | |
3 | * It prepares command and sends it to firmware when it is ready. | |
4 | */ | |
5 | ||
7919b89c | 6 | #include <linux/kfifo.h> |
e93156e7 | 7 | #include <linux/sched.h> |
5a0e3ad6 | 8 | #include <linux/slab.h> |
e93156e7 | 9 | |
876c9d3a | 10 | #include "decl.h" |
e86dc1ca | 11 | #include "cfg.h" |
6e66f03f | 12 | #include "cmd.h" |
876c9d3a | 13 | |
e93156e7 | 14 | |
2fd6cfe3 | 15 | static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv); |
0d61d042 | 16 | |
8db4a2b9 HS |
17 | /** |
18 | * @brief Simple callback that copies response back into command | |
19 | * | |
20 | * @param priv A pointer to struct lbs_private structure | |
21 | * @param extra A pointer to the original command structure for which | |
22 | * 'resp' is a response | |
23 | * @param resp A pointer to the command response | |
24 | * | |
25 | * @return 0 on success, error on failure | |
26 | */ | |
27 | int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra, | |
28 | struct cmd_header *resp) | |
29 | { | |
30 | struct cmd_header *buf = (void *)extra; | |
31 | uint16_t copy_len; | |
32 | ||
33 | copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size)); | |
34 | memcpy(buf, resp, copy_len); | |
35 | return 0; | |
36 | } | |
37 | EXPORT_SYMBOL_GPL(lbs_cmd_copyback); | |
38 | ||
39 | /** | |
40 | * @brief Simple callback that ignores the result. Use this if | |
41 | * you just want to send a command to the hardware, but don't | |
42 | * care for the result. | |
43 | * | |
44 | * @param priv ignored | |
45 | * @param extra ignored | |
46 | * @param resp ignored | |
47 | * | |
48 | * @return 0 for success | |
49 | */ | |
50 | static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra, | |
51 | struct cmd_header *resp) | |
52 | { | |
53 | return 0; | |
54 | } | |
55 | ||
56 | ||
876c9d3a | 57 | /** |
852e1f2a | 58 | * @brief Checks whether a command is allowed in Power Save mode |
876c9d3a MT |
59 | * |
60 | * @param command the command ID | |
852e1f2a | 61 | * @return 1 if allowed, 0 if not allowed |
876c9d3a | 62 | */ |
852e1f2a | 63 | static u8 is_command_allowed_in_ps(u16 cmd) |
876c9d3a | 64 | { |
852e1f2a DW |
65 | switch (cmd) { |
66 | case CMD_802_11_RSSI: | |
67 | return 1; | |
66fceb69 AK |
68 | case CMD_802_11_HOST_SLEEP_CFG: |
69 | return 1; | |
852e1f2a DW |
70 | default: |
71 | break; | |
876c9d3a | 72 | } |
876c9d3a MT |
73 | return 0; |
74 | } | |
75 | ||
63f275df AK |
76 | /** |
77 | * @brief This function checks if the command is allowed. | |
78 | * | |
79 | * @param priv A pointer to lbs_private structure | |
80 | * @return allowed or not allowed. | |
81 | */ | |
82 | ||
83 | static int lbs_is_cmd_allowed(struct lbs_private *priv) | |
84 | { | |
85 | int ret = 1; | |
86 | ||
87 | lbs_deb_enter(LBS_DEB_CMD); | |
88 | ||
89 | if (!priv->is_auto_deep_sleep_enabled) { | |
90 | if (priv->is_deep_sleep) { | |
91 | lbs_deb_cmd("command not allowed in deep sleep\n"); | |
92 | ret = 0; | |
93 | } | |
94 | } | |
95 | ||
96 | lbs_deb_leave(LBS_DEB_CMD); | |
97 | return ret; | |
98 | } | |
99 | ||
6e66f03f DW |
100 | /** |
101 | * @brief Updates the hardware details like MAC address and regulatory region | |
102 | * | |
103 | * @param priv A pointer to struct lbs_private structure | |
104 | * | |
105 | * @return 0 on success, error on failure | |
106 | */ | |
107 | int lbs_update_hw_spec(struct lbs_private *priv) | |
876c9d3a | 108 | { |
6e66f03f DW |
109 | struct cmd_ds_get_hw_spec cmd; |
110 | int ret = -1; | |
111 | u32 i; | |
876c9d3a | 112 | |
9012b28a | 113 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 114 | |
6e66f03f DW |
115 | memset(&cmd, 0, sizeof(cmd)); |
116 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
117 | memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN); | |
689442dc | 118 | ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd); |
6e66f03f DW |
119 | if (ret) |
120 | goto out; | |
121 | ||
122 | priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo); | |
6e66f03f | 123 | |
dac10a9f HS |
124 | /* The firmware release is in an interesting format: the patch |
125 | * level is in the most significant nibble ... so fix that: */ | |
126 | priv->fwrelease = le32_to_cpu(cmd.fwrelease); | |
127 | priv->fwrelease = (priv->fwrelease << 8) | | |
128 | (priv->fwrelease >> 24 & 0xff); | |
129 | ||
130 | /* Some firmware capabilities: | |
131 | * CF card firmware 5.0.16p0: cap 0x00000303 | |
132 | * USB dongle firmware 5.110.17p2: cap 0x00000303 | |
133 | */ | |
e174961c JB |
134 | lbs_pr_info("%pM, fw %u.%u.%up%u, cap 0x%08x\n", |
135 | cmd.permanentaddr, | |
dac10a9f HS |
136 | priv->fwrelease >> 24 & 0xff, |
137 | priv->fwrelease >> 16 & 0xff, | |
138 | priv->fwrelease >> 8 & 0xff, | |
139 | priv->fwrelease & 0xff, | |
140 | priv->fwcapinfo); | |
6e66f03f DW |
141 | lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n", |
142 | cmd.hwifversion, cmd.version); | |
143 | ||
144 | /* Clamp region code to 8-bit since FW spec indicates that it should | |
145 | * only ever be 8-bit, even though the field size is 16-bit. Some firmware | |
146 | * returns non-zero high 8 bits here. | |
15483996 MV |
147 | * |
148 | * Firmware version 4.0.102 used in CF8381 has region code shifted. We | |
149 | * need to check for this problem and handle it properly. | |
6e66f03f | 150 | */ |
15483996 MV |
151 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V4) |
152 | priv->regioncode = (le16_to_cpu(cmd.regioncode) >> 8) & 0xFF; | |
153 | else | |
154 | priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF; | |
6e66f03f DW |
155 | |
156 | for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) { | |
157 | /* use the region code to search for the index */ | |
158 | if (priv->regioncode == lbs_region_code_to_index[i]) | |
159 | break; | |
160 | } | |
161 | ||
162 | /* if it's unidentified region code, use the default (USA) */ | |
163 | if (i >= MRVDRV_MAX_REGION_CODE) { | |
164 | priv->regioncode = 0x10; | |
165 | lbs_pr_info("unidentified region code; using the default (USA)\n"); | |
166 | } | |
167 | ||
168 | if (priv->current_addr[0] == 0xff) | |
169 | memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN); | |
876c9d3a | 170 | |
6e66f03f DW |
171 | memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN); |
172 | if (priv->mesh_dev) | |
173 | memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN); | |
174 | ||
6e66f03f | 175 | out: |
9012b28a | 176 | lbs_deb_leave(LBS_DEB_CMD); |
6e66f03f | 177 | return ret; |
876c9d3a MT |
178 | } |
179 | ||
66fceb69 AK |
180 | static int lbs_ret_host_sleep_cfg(struct lbs_private *priv, unsigned long dummy, |
181 | struct cmd_header *resp) | |
182 | { | |
183 | lbs_deb_enter(LBS_DEB_CMD); | |
1311843c | 184 | if (priv->is_host_sleep_activated) { |
66fceb69 AK |
185 | priv->is_host_sleep_configured = 0; |
186 | if (priv->psstate == PS_STATE_FULL_POWER) { | |
187 | priv->is_host_sleep_activated = 0; | |
188 | wake_up_interruptible(&priv->host_sleep_q); | |
189 | } | |
190 | } else { | |
191 | priv->is_host_sleep_configured = 1; | |
192 | } | |
193 | lbs_deb_leave(LBS_DEB_CMD); | |
194 | return 0; | |
195 | } | |
196 | ||
582c1b53 AN |
197 | int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria, |
198 | struct wol_config *p_wol_config) | |
6ce4fd2a DW |
199 | { |
200 | struct cmd_ds_host_sleep cmd_config; | |
201 | int ret; | |
202 | ||
9fae899c | 203 | cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config)); |
6ce4fd2a | 204 | cmd_config.criteria = cpu_to_le32(criteria); |
506e9025 DW |
205 | cmd_config.gpio = priv->wol_gpio; |
206 | cmd_config.gap = priv->wol_gap; | |
6ce4fd2a | 207 | |
582c1b53 AN |
208 | if (p_wol_config != NULL) |
209 | memcpy((uint8_t *)&cmd_config.wol_conf, (uint8_t *)p_wol_config, | |
210 | sizeof(struct wol_config)); | |
211 | else | |
212 | cmd_config.wol_conf.action = CMD_ACT_ACTION_NONE; | |
213 | ||
66fceb69 AK |
214 | ret = __lbs_cmd(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config.hdr, |
215 | le16_to_cpu(cmd_config.hdr.size), | |
216 | lbs_ret_host_sleep_cfg, 0); | |
506e9025 | 217 | if (!ret) { |
66fceb69 | 218 | if (p_wol_config) |
582c1b53 AN |
219 | memcpy((uint8_t *) p_wol_config, |
220 | (uint8_t *)&cmd_config.wol_conf, | |
221 | sizeof(struct wol_config)); | |
506e9025 | 222 | } else { |
6ce4fd2a | 223 | lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret); |
6ce4fd2a | 224 | } |
506e9025 | 225 | |
6ce4fd2a DW |
226 | return ret; |
227 | } | |
228 | EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg); | |
229 | ||
e98a88dd | 230 | static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd, |
876c9d3a MT |
231 | u16 cmd_action) |
232 | { | |
233 | struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode; | |
876c9d3a | 234 | |
9012b28a | 235 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 236 | |
0aef64d7 | 237 | cmd->command = cpu_to_le16(CMD_802_11_PS_MODE); |
981f187b | 238 | cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) + |
8ec97cc8 | 239 | sizeof(struct cmd_header)); |
876c9d3a MT |
240 | psm->action = cpu_to_le16(cmd_action); |
241 | psm->multipledtim = 0; | |
981f187b | 242 | switch (cmd_action) { |
0aef64d7 | 243 | case CMD_SUBCMD_ENTER_PS: |
9012b28a | 244 | lbs_deb_cmd("PS command:" "SubCode- Enter PS\n"); |
876c9d3a | 245 | |
252cf0d1 | 246 | psm->locallisteninterval = 0; |
97605c3e | 247 | psm->nullpktinterval = 0; |
876c9d3a | 248 | psm->multipledtim = |
56c4656e | 249 | cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM); |
876c9d3a MT |
250 | break; |
251 | ||
0aef64d7 | 252 | case CMD_SUBCMD_EXIT_PS: |
9012b28a | 253 | lbs_deb_cmd("PS command:" "SubCode- Exit PS\n"); |
876c9d3a MT |
254 | break; |
255 | ||
0aef64d7 | 256 | case CMD_SUBCMD_SLEEP_CONFIRMED: |
9012b28a | 257 | lbs_deb_cmd("PS command: SubCode- sleep confirm\n"); |
876c9d3a MT |
258 | break; |
259 | ||
260 | default: | |
261 | break; | |
262 | } | |
263 | ||
9012b28a | 264 | lbs_deb_leave(LBS_DEB_CMD); |
876c9d3a MT |
265 | return 0; |
266 | } | |
267 | ||
3fbe104c DW |
268 | int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action, |
269 | struct sleep_params *sp) | |
876c9d3a | 270 | { |
3fbe104c DW |
271 | struct cmd_ds_802_11_sleep_params cmd; |
272 | int ret; | |
876c9d3a | 273 | |
9012b28a | 274 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 275 | |
0aef64d7 | 276 | if (cmd_action == CMD_ACT_GET) { |
3fbe104c DW |
277 | memset(&cmd, 0, sizeof(cmd)); |
278 | } else { | |
279 | cmd.error = cpu_to_le16(sp->sp_error); | |
280 | cmd.offset = cpu_to_le16(sp->sp_offset); | |
281 | cmd.stabletime = cpu_to_le16(sp->sp_stabletime); | |
282 | cmd.calcontrol = sp->sp_calcontrol; | |
283 | cmd.externalsleepclk = sp->sp_extsleepclk; | |
284 | cmd.reserved = cpu_to_le16(sp->sp_reserved); | |
876c9d3a | 285 | } |
3fbe104c DW |
286 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
287 | cmd.action = cpu_to_le16(cmd_action); | |
876c9d3a | 288 | |
3fbe104c DW |
289 | ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd); |
290 | ||
291 | if (!ret) { | |
292 | lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, " | |
293 | "calcontrol 0x%x extsleepclk 0x%x\n", | |
294 | le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset), | |
295 | le16_to_cpu(cmd.stabletime), cmd.calcontrol, | |
296 | cmd.externalsleepclk); | |
297 | ||
298 | sp->sp_error = le16_to_cpu(cmd.error); | |
299 | sp->sp_offset = le16_to_cpu(cmd.offset); | |
300 | sp->sp_stabletime = le16_to_cpu(cmd.stabletime); | |
301 | sp->sp_calcontrol = cmd.calcontrol; | |
302 | sp->sp_extsleepclk = cmd.externalsleepclk; | |
303 | sp->sp_reserved = le16_to_cpu(cmd.reserved); | |
304 | } | |
305 | ||
306 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
876c9d3a MT |
307 | return 0; |
308 | } | |
309 | ||
49125454 AK |
310 | static int lbs_wait_for_ds_awake(struct lbs_private *priv) |
311 | { | |
312 | int ret = 0; | |
313 | ||
314 | lbs_deb_enter(LBS_DEB_CMD); | |
315 | ||
316 | if (priv->is_deep_sleep) { | |
317 | if (!wait_event_interruptible_timeout(priv->ds_awake_q, | |
318 | !priv->is_deep_sleep, (10 * HZ))) { | |
319 | lbs_pr_err("ds_awake_q: timer expired\n"); | |
320 | ret = -1; | |
321 | } | |
322 | } | |
323 | ||
324 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
325 | return ret; | |
326 | } | |
327 | ||
328 | int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep) | |
329 | { | |
330 | int ret = 0; | |
331 | ||
332 | lbs_deb_enter(LBS_DEB_CMD); | |
333 | ||
334 | if (deep_sleep) { | |
335 | if (priv->is_deep_sleep != 1) { | |
336 | lbs_deb_cmd("deep sleep: sleep\n"); | |
337 | BUG_ON(!priv->enter_deep_sleep); | |
338 | ret = priv->enter_deep_sleep(priv); | |
339 | if (!ret) { | |
340 | netif_stop_queue(priv->dev); | |
341 | netif_carrier_off(priv->dev); | |
342 | } | |
343 | } else { | |
344 | lbs_pr_err("deep sleep: already enabled\n"); | |
345 | } | |
346 | } else { | |
347 | if (priv->is_deep_sleep) { | |
348 | lbs_deb_cmd("deep sleep: wakeup\n"); | |
349 | BUG_ON(!priv->exit_deep_sleep); | |
350 | ret = priv->exit_deep_sleep(priv); | |
351 | if (!ret) { | |
352 | ret = lbs_wait_for_ds_awake(priv); | |
353 | if (ret) | |
354 | lbs_pr_err("deep sleep: wakeup" | |
355 | "failed\n"); | |
356 | } | |
357 | } | |
358 | } | |
359 | ||
360 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
361 | return ret; | |
362 | } | |
363 | ||
1311843c AK |
364 | static int lbs_ret_host_sleep_activate(struct lbs_private *priv, |
365 | unsigned long dummy, | |
366 | struct cmd_header *cmd) | |
367 | { | |
368 | lbs_deb_enter(LBS_DEB_FW); | |
369 | priv->is_host_sleep_activated = 1; | |
370 | wake_up_interruptible(&priv->host_sleep_q); | |
371 | lbs_deb_leave(LBS_DEB_FW); | |
372 | return 0; | |
373 | } | |
374 | ||
375 | int lbs_set_host_sleep(struct lbs_private *priv, int host_sleep) | |
376 | { | |
377 | struct cmd_header cmd; | |
378 | int ret = 0; | |
379 | uint32_t criteria = EHS_REMOVE_WAKEUP; | |
380 | ||
381 | lbs_deb_enter(LBS_DEB_CMD); | |
382 | ||
383 | if (host_sleep) { | |
384 | if (priv->is_host_sleep_activated != 1) { | |
385 | memset(&cmd, 0, sizeof(cmd)); | |
386 | ret = lbs_host_sleep_cfg(priv, priv->wol_criteria, | |
387 | (struct wol_config *)NULL); | |
388 | if (ret) { | |
389 | lbs_pr_info("Host sleep configuration failed: " | |
390 | "%d\n", ret); | |
391 | return ret; | |
392 | } | |
393 | if (priv->psstate == PS_STATE_FULL_POWER) { | |
394 | ret = __lbs_cmd(priv, | |
395 | CMD_802_11_HOST_SLEEP_ACTIVATE, | |
396 | &cmd, | |
397 | sizeof(cmd), | |
398 | lbs_ret_host_sleep_activate, 0); | |
399 | if (ret) | |
400 | lbs_pr_info("HOST_SLEEP_ACTIVATE " | |
401 | "failed: %d\n", ret); | |
402 | } | |
403 | ||
404 | if (!wait_event_interruptible_timeout( | |
405 | priv->host_sleep_q, | |
406 | priv->is_host_sleep_activated, | |
407 | (10 * HZ))) { | |
408 | lbs_pr_err("host_sleep_q: timer expired\n"); | |
409 | ret = -1; | |
410 | } | |
411 | } else { | |
412 | lbs_pr_err("host sleep: already enabled\n"); | |
413 | } | |
414 | } else { | |
415 | if (priv->is_host_sleep_activated) | |
416 | ret = lbs_host_sleep_cfg(priv, criteria, | |
417 | (struct wol_config *)NULL); | |
418 | } | |
419 | ||
420 | return ret; | |
421 | } | |
422 | ||
39fcf7a3 DW |
423 | /** |
424 | * @brief Set an SNMP MIB value | |
425 | * | |
426 | * @param priv A pointer to struct lbs_private structure | |
427 | * @param oid The OID to set in the firmware | |
428 | * @param val Value to set the OID to | |
429 | * | |
430 | * @return 0 on success, error on failure | |
431 | */ | |
432 | int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val) | |
876c9d3a | 433 | { |
39fcf7a3 DW |
434 | struct cmd_ds_802_11_snmp_mib cmd; |
435 | int ret; | |
876c9d3a | 436 | |
9012b28a | 437 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 438 | |
39fcf7a3 DW |
439 | memset(&cmd, 0, sizeof (cmd)); |
440 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
441 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
442 | cmd.oid = cpu_to_le16((u16) oid); | |
876c9d3a | 443 | |
39fcf7a3 DW |
444 | switch (oid) { |
445 | case SNMP_MIB_OID_BSS_TYPE: | |
446 | cmd.bufsize = cpu_to_le16(sizeof(u8)); | |
fef0640e | 447 | cmd.value[0] = val; |
39fcf7a3 DW |
448 | break; |
449 | case SNMP_MIB_OID_11D_ENABLE: | |
450 | case SNMP_MIB_OID_FRAG_THRESHOLD: | |
451 | case SNMP_MIB_OID_RTS_THRESHOLD: | |
452 | case SNMP_MIB_OID_SHORT_RETRY_LIMIT: | |
453 | case SNMP_MIB_OID_LONG_RETRY_LIMIT: | |
454 | cmd.bufsize = cpu_to_le16(sizeof(u16)); | |
455 | *((__le16 *)(&cmd.value)) = cpu_to_le16(val); | |
876c9d3a | 456 | break; |
39fcf7a3 DW |
457 | default: |
458 | lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid); | |
459 | ret = -EINVAL; | |
460 | goto out; | |
876c9d3a MT |
461 | } |
462 | ||
39fcf7a3 DW |
463 | lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n", |
464 | le16_to_cpu(cmd.oid), le16_to_cpu(cmd.bufsize), val); | |
876c9d3a | 465 | |
39fcf7a3 | 466 | ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd); |
876c9d3a | 467 | |
39fcf7a3 DW |
468 | out: |
469 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
470 | return ret; | |
471 | } | |
876c9d3a | 472 | |
39fcf7a3 DW |
473 | /** |
474 | * @brief Get an SNMP MIB value | |
475 | * | |
476 | * @param priv A pointer to struct lbs_private structure | |
477 | * @param oid The OID to retrieve from the firmware | |
478 | * @param out_val Location for the returned value | |
479 | * | |
480 | * @return 0 on success, error on failure | |
481 | */ | |
482 | int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val) | |
483 | { | |
484 | struct cmd_ds_802_11_snmp_mib cmd; | |
485 | int ret; | |
876c9d3a | 486 | |
39fcf7a3 | 487 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 488 | |
39fcf7a3 DW |
489 | memset(&cmd, 0, sizeof (cmd)); |
490 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
491 | cmd.action = cpu_to_le16(CMD_ACT_GET); | |
492 | cmd.oid = cpu_to_le16(oid); | |
876c9d3a | 493 | |
39fcf7a3 DW |
494 | ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd); |
495 | if (ret) | |
496 | goto out; | |
876c9d3a | 497 | |
39fcf7a3 DW |
498 | switch (le16_to_cpu(cmd.bufsize)) { |
499 | case sizeof(u8): | |
fef0640e | 500 | *out_val = cmd.value[0]; |
39fcf7a3 DW |
501 | break; |
502 | case sizeof(u16): | |
503 | *out_val = le16_to_cpu(*((__le16 *)(&cmd.value))); | |
876c9d3a MT |
504 | break; |
505 | default: | |
39fcf7a3 DW |
506 | lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n", |
507 | oid, le16_to_cpu(cmd.bufsize)); | |
876c9d3a MT |
508 | break; |
509 | } | |
510 | ||
39fcf7a3 DW |
511 | out: |
512 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
513 | return ret; | |
876c9d3a MT |
514 | } |
515 | ||
87c8c72d DW |
516 | /** |
517 | * @brief Get the min, max, and current TX power | |
518 | * | |
519 | * @param priv A pointer to struct lbs_private structure | |
520 | * @param curlevel Current power level in dBm | |
521 | * @param minlevel Minimum supported power level in dBm (optional) | |
522 | * @param maxlevel Maximum supported power level in dBm (optional) | |
523 | * | |
524 | * @return 0 on success, error on failure | |
525 | */ | |
526 | int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel, | |
527 | s16 *maxlevel) | |
876c9d3a | 528 | { |
87c8c72d DW |
529 | struct cmd_ds_802_11_rf_tx_power cmd; |
530 | int ret; | |
876c9d3a | 531 | |
9012b28a | 532 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 533 | |
87c8c72d DW |
534 | memset(&cmd, 0, sizeof(cmd)); |
535 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
536 | cmd.action = cpu_to_le16(CMD_ACT_GET); | |
537 | ||
538 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd); | |
539 | if (ret == 0) { | |
540 | *curlevel = le16_to_cpu(cmd.curlevel); | |
541 | if (minlevel) | |
87bf24f3 | 542 | *minlevel = cmd.minlevel; |
87c8c72d | 543 | if (maxlevel) |
87bf24f3 | 544 | *maxlevel = cmd.maxlevel; |
87c8c72d | 545 | } |
876c9d3a | 546 | |
87c8c72d DW |
547 | lbs_deb_leave(LBS_DEB_CMD); |
548 | return ret; | |
549 | } | |
876c9d3a | 550 | |
87c8c72d DW |
551 | /** |
552 | * @brief Set the TX power | |
553 | * | |
554 | * @param priv A pointer to struct lbs_private structure | |
555 | * @param dbm The desired power level in dBm | |
556 | * | |
557 | * @return 0 on success, error on failure | |
558 | */ | |
559 | int lbs_set_tx_power(struct lbs_private *priv, s16 dbm) | |
560 | { | |
561 | struct cmd_ds_802_11_rf_tx_power cmd; | |
562 | int ret; | |
876c9d3a | 563 | |
87c8c72d | 564 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 565 | |
87c8c72d DW |
566 | memset(&cmd, 0, sizeof(cmd)); |
567 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
568 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
569 | cmd.curlevel = cpu_to_le16(dbm); | |
876c9d3a | 570 | |
87c8c72d DW |
571 | lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm); |
572 | ||
573 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd); | |
9012b28a HS |
574 | |
575 | lbs_deb_leave(LBS_DEB_CMD); | |
87c8c72d | 576 | return ret; |
876c9d3a MT |
577 | } |
578 | ||
e98a88dd | 579 | static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd, |
965f8bbc LCC |
580 | u16 cmd_action, void *pdata_buf) |
581 | { | |
582 | struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor; | |
583 | ||
584 | cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE); | |
585 | cmd->size = | |
586 | cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) + | |
8ec97cc8 | 587 | sizeof(struct cmd_header)); |
965f8bbc LCC |
588 | |
589 | monitor->action = cpu_to_le16(cmd_action); | |
590 | if (cmd_action == CMD_ACT_SET) { | |
591 | monitor->mode = | |
592 | cpu_to_le16((u16) (*(u32 *) pdata_buf)); | |
593 | } | |
594 | ||
595 | return 0; | |
596 | } | |
597 | ||
2dd4b262 DW |
598 | /** |
599 | * @brief Get the radio channel | |
600 | * | |
601 | * @param priv A pointer to struct lbs_private structure | |
602 | * | |
603 | * @return The channel on success, error on failure | |
604 | */ | |
a3cbfb08 | 605 | static int lbs_get_channel(struct lbs_private *priv) |
876c9d3a | 606 | { |
2dd4b262 DW |
607 | struct cmd_ds_802_11_rf_channel cmd; |
608 | int ret = 0; | |
876c9d3a | 609 | |
8ff12da1 | 610 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 611 | |
8d0c7fad | 612 | memset(&cmd, 0, sizeof(cmd)); |
2dd4b262 DW |
613 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
614 | cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET); | |
876c9d3a | 615 | |
689442dc | 616 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd); |
2dd4b262 DW |
617 | if (ret) |
618 | goto out; | |
876c9d3a | 619 | |
cb182a60 DW |
620 | ret = le16_to_cpu(cmd.channel); |
621 | lbs_deb_cmd("current radio channel is %d\n", ret); | |
2dd4b262 DW |
622 | |
623 | out: | |
624 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
625 | return ret; | |
626 | } | |
627 | ||
73ab1f25 HS |
628 | int lbs_update_channel(struct lbs_private *priv) |
629 | { | |
630 | int ret; | |
631 | ||
632 | /* the channel in f/w could be out of sync; get the current channel */ | |
633 | lbs_deb_enter(LBS_DEB_ASSOC); | |
634 | ||
635 | ret = lbs_get_channel(priv); | |
636 | if (ret > 0) { | |
c14951fe | 637 | priv->channel = ret; |
73ab1f25 HS |
638 | ret = 0; |
639 | } | |
640 | lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret); | |
641 | return ret; | |
642 | } | |
643 | ||
2dd4b262 DW |
644 | /** |
645 | * @brief Set the radio channel | |
646 | * | |
647 | * @param priv A pointer to struct lbs_private structure | |
648 | * @param channel The desired channel, or 0 to clear a locked channel | |
649 | * | |
650 | * @return 0 on success, error on failure | |
651 | */ | |
652 | int lbs_set_channel(struct lbs_private *priv, u8 channel) | |
653 | { | |
654 | struct cmd_ds_802_11_rf_channel cmd; | |
96d46d5d | 655 | #ifdef DEBUG |
c14951fe | 656 | u8 old_channel = priv->channel; |
96d46d5d | 657 | #endif |
2dd4b262 DW |
658 | int ret = 0; |
659 | ||
660 | lbs_deb_enter(LBS_DEB_CMD); | |
661 | ||
8d0c7fad | 662 | memset(&cmd, 0, sizeof(cmd)); |
2dd4b262 DW |
663 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
664 | cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET); | |
665 | cmd.channel = cpu_to_le16(channel); | |
666 | ||
689442dc | 667 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd); |
2dd4b262 DW |
668 | if (ret) |
669 | goto out; | |
670 | ||
c14951fe | 671 | priv->channel = (uint8_t) le16_to_cpu(cmd.channel); |
cb182a60 | 672 | lbs_deb_cmd("channel switch from %d to %d\n", old_channel, |
c14951fe | 673 | priv->channel); |
2dd4b262 DW |
674 | |
675 | out: | |
676 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
677 | return ret; | |
876c9d3a MT |
678 | } |
679 | ||
e98a88dd | 680 | static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr, |
876c9d3a MT |
681 | u8 cmd_action, void *pdata_buf) |
682 | { | |
10078321 | 683 | struct lbs_offset_value *offval; |
876c9d3a | 684 | |
9012b28a | 685 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 686 | |
10078321 | 687 | offval = (struct lbs_offset_value *)pdata_buf; |
876c9d3a | 688 | |
c2df2efe | 689 | switch (le16_to_cpu(cmdptr->command)) { |
0aef64d7 | 690 | case CMD_MAC_REG_ACCESS: |
876c9d3a MT |
691 | { |
692 | struct cmd_ds_mac_reg_access *macreg; | |
693 | ||
694 | cmdptr->size = | |
981f187b | 695 | cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access) |
8ec97cc8 | 696 | + sizeof(struct cmd_header)); |
876c9d3a MT |
697 | macreg = |
698 | (struct cmd_ds_mac_reg_access *)&cmdptr->params. | |
699 | macreg; | |
700 | ||
701 | macreg->action = cpu_to_le16(cmd_action); | |
702 | macreg->offset = cpu_to_le16((u16) offval->offset); | |
703 | macreg->value = cpu_to_le32(offval->value); | |
704 | ||
705 | break; | |
706 | } | |
707 | ||
0aef64d7 | 708 | case CMD_BBP_REG_ACCESS: |
876c9d3a MT |
709 | { |
710 | struct cmd_ds_bbp_reg_access *bbpreg; | |
711 | ||
712 | cmdptr->size = | |
713 | cpu_to_le16(sizeof | |
714 | (struct cmd_ds_bbp_reg_access) | |
8ec97cc8 | 715 | + sizeof(struct cmd_header)); |
876c9d3a MT |
716 | bbpreg = |
717 | (struct cmd_ds_bbp_reg_access *)&cmdptr->params. | |
718 | bbpreg; | |
719 | ||
720 | bbpreg->action = cpu_to_le16(cmd_action); | |
721 | bbpreg->offset = cpu_to_le16((u16) offval->offset); | |
722 | bbpreg->value = (u8) offval->value; | |
723 | ||
724 | break; | |
725 | } | |
726 | ||
0aef64d7 | 727 | case CMD_RF_REG_ACCESS: |
876c9d3a MT |
728 | { |
729 | struct cmd_ds_rf_reg_access *rfreg; | |
730 | ||
731 | cmdptr->size = | |
732 | cpu_to_le16(sizeof | |
733 | (struct cmd_ds_rf_reg_access) + | |
8ec97cc8 | 734 | sizeof(struct cmd_header)); |
876c9d3a MT |
735 | rfreg = |
736 | (struct cmd_ds_rf_reg_access *)&cmdptr->params. | |
737 | rfreg; | |
738 | ||
739 | rfreg->action = cpu_to_le16(cmd_action); | |
740 | rfreg->offset = cpu_to_le16((u16) offval->offset); | |
741 | rfreg->value = (u8) offval->value; | |
742 | ||
743 | break; | |
744 | } | |
745 | ||
746 | default: | |
747 | break; | |
748 | } | |
749 | ||
9012b28a | 750 | lbs_deb_leave(LBS_DEB_CMD); |
876c9d3a MT |
751 | return 0; |
752 | } | |
753 | ||
681ffbb7 DW |
754 | static void lbs_queue_cmd(struct lbs_private *priv, |
755 | struct cmd_ctrl_node *cmdnode) | |
876c9d3a MT |
756 | { |
757 | unsigned long flags; | |
681ffbb7 | 758 | int addtail = 1; |
876c9d3a | 759 | |
8ff12da1 | 760 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 761 | |
c4ab4127 DW |
762 | if (!cmdnode) { |
763 | lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n"); | |
876c9d3a MT |
764 | goto done; |
765 | } | |
d9896ee1 DW |
766 | if (!cmdnode->cmdbuf->size) { |
767 | lbs_deb_host("DNLD_CMD: cmd size is zero\n"); | |
768 | goto done; | |
769 | } | |
ae125bf8 | 770 | cmdnode->result = 0; |
876c9d3a MT |
771 | |
772 | /* Exit_PS command needs to be queued in the header always. */ | |
ddac4526 | 773 | if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) { |
38bfab1a | 774 | struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1]; |
ddac4526 | 775 | |
0aef64d7 | 776 | if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) { |
aa21c004 | 777 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
778 | addtail = 0; |
779 | } | |
780 | } | |
781 | ||
66fceb69 AK |
782 | if (le16_to_cpu(cmdnode->cmdbuf->command) == |
783 | CMD_802_11_WAKEUP_CONFIRM) | |
784 | addtail = 0; | |
785 | ||
aa21c004 | 786 | spin_lock_irqsave(&priv->driver_lock, flags); |
876c9d3a | 787 | |
ac47246e | 788 | if (addtail) |
aa21c004 | 789 | list_add_tail(&cmdnode->list, &priv->cmdpendingq); |
ac47246e | 790 | else |
aa21c004 | 791 | list_add(&cmdnode->list, &priv->cmdpendingq); |
876c9d3a | 792 | |
aa21c004 | 793 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a | 794 | |
8ff12da1 | 795 | lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n", |
c4ab4127 | 796 | le16_to_cpu(cmdnode->cmdbuf->command)); |
876c9d3a MT |
797 | |
798 | done: | |
8ff12da1 | 799 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
800 | } |
801 | ||
18c52e7c DW |
802 | static void lbs_submit_command(struct lbs_private *priv, |
803 | struct cmd_ctrl_node *cmdnode) | |
876c9d3a MT |
804 | { |
805 | unsigned long flags; | |
ddac4526 | 806 | struct cmd_header *cmd; |
18c52e7c DW |
807 | uint16_t cmdsize; |
808 | uint16_t command; | |
57962f0b | 809 | int timeo = 3 * HZ; |
18c52e7c | 810 | int ret; |
876c9d3a | 811 | |
8ff12da1 | 812 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 813 | |
ddac4526 | 814 | cmd = cmdnode->cmdbuf; |
876c9d3a | 815 | |
aa21c004 | 816 | spin_lock_irqsave(&priv->driver_lock, flags); |
aa21c004 DW |
817 | priv->cur_cmd = cmdnode; |
818 | priv->cur_cmd_retcode = 0; | |
819 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
876c9d3a | 820 | |
ddac4526 DW |
821 | cmdsize = le16_to_cpu(cmd->size); |
822 | command = le16_to_cpu(cmd->command); | |
876c9d3a | 823 | |
18c52e7c | 824 | /* These commands take longer */ |
be0d76e4 | 825 | if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE) |
57962f0b | 826 | timeo = 5 * HZ; |
18c52e7c | 827 | |
e5225b39 HS |
828 | lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n", |
829 | command, le16_to_cpu(cmd->seqnum), cmdsize); | |
1afc09ab | 830 | lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize); |
8ff12da1 | 831 | |
ddac4526 | 832 | ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize); |
18c52e7c | 833 | |
d9896ee1 DW |
834 | if (ret) { |
835 | lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret); | |
18c52e7c DW |
836 | /* Let the timer kick in and retry, and potentially reset |
837 | the whole thing if the condition persists */ | |
57962f0b | 838 | timeo = HZ/4; |
1afc09ab | 839 | } |
876c9d3a | 840 | |
49125454 AK |
841 | if (command == CMD_802_11_DEEP_SLEEP) { |
842 | if (priv->is_auto_deep_sleep_enabled) { | |
843 | priv->wakeup_dev_required = 1; | |
844 | priv->dnld_sent = 0; | |
845 | } | |
846 | priv->is_deep_sleep = 1; | |
847 | lbs_complete_command(priv, cmdnode, 0); | |
848 | } else { | |
849 | /* Setup the timer after transmit command */ | |
850 | mod_timer(&priv->command_timer, jiffies + timeo); | |
851 | } | |
876c9d3a | 852 | |
18c52e7c | 853 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
854 | } |
855 | ||
876c9d3a MT |
856 | /** |
857 | * This function inserts command node to cmdfreeq | |
aa21c004 | 858 | * after cleans it. Requires priv->driver_lock held. |
876c9d3a | 859 | */ |
183aeac1 | 860 | static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv, |
5ba2f8a0 | 861 | struct cmd_ctrl_node *cmdnode) |
876c9d3a | 862 | { |
5ba2f8a0 DW |
863 | lbs_deb_enter(LBS_DEB_HOST); |
864 | ||
865 | if (!cmdnode) | |
866 | goto out; | |
867 | ||
5ba2f8a0 DW |
868 | cmdnode->callback = NULL; |
869 | cmdnode->callback_arg = 0; | |
876c9d3a | 870 | |
5ba2f8a0 | 871 | memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE); |
876c9d3a | 872 | |
5ba2f8a0 DW |
873 | list_add_tail(&cmdnode->list, &priv->cmdfreeq); |
874 | out: | |
875 | lbs_deb_leave(LBS_DEB_HOST); | |
876c9d3a MT |
876 | } |
877 | ||
69f9032d HS |
878 | static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv, |
879 | struct cmd_ctrl_node *ptempcmd) | |
876c9d3a MT |
880 | { |
881 | unsigned long flags; | |
882 | ||
aa21c004 | 883 | spin_lock_irqsave(&priv->driver_lock, flags); |
10078321 | 884 | __lbs_cleanup_and_insert_cmd(priv, ptempcmd); |
aa21c004 | 885 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
886 | } |
887 | ||
183aeac1 DW |
888 | void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd, |
889 | int result) | |
890 | { | |
891 | if (cmd == priv->cur_cmd) | |
892 | priv->cur_cmd_retcode = result; | |
5ba2f8a0 | 893 | |
ae125bf8 | 894 | cmd->result = result; |
5ba2f8a0 DW |
895 | cmd->cmdwaitqwoken = 1; |
896 | wake_up_interruptible(&cmd->cmdwait_q); | |
897 | ||
8db4a2b9 | 898 | if (!cmd->callback || cmd->callback == lbs_cmd_async_callback) |
ad12d0f4 | 899 | __lbs_cleanup_and_insert_cmd(priv, cmd); |
183aeac1 DW |
900 | priv->cur_cmd = NULL; |
901 | } | |
902 | ||
d5db2dfa | 903 | int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on) |
876c9d3a | 904 | { |
a7c45890 | 905 | struct cmd_ds_802_11_radio_control cmd; |
d5db2dfa | 906 | int ret = -EINVAL; |
876c9d3a | 907 | |
9012b28a | 908 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 909 | |
a7c45890 DW |
910 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
911 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
912 | ||
d5db2dfa DW |
913 | /* Only v8 and below support setting the preamble */ |
914 | if (priv->fwrelease < 0x09000000) { | |
915 | switch (preamble) { | |
916 | case RADIO_PREAMBLE_SHORT: | |
d5db2dfa DW |
917 | case RADIO_PREAMBLE_AUTO: |
918 | case RADIO_PREAMBLE_LONG: | |
919 | cmd.control = cpu_to_le16(preamble); | |
920 | break; | |
921 | default: | |
922 | goto out; | |
923 | } | |
924 | } | |
a7c45890 | 925 | |
d5db2dfa DW |
926 | if (radio_on) |
927 | cmd.control |= cpu_to_le16(0x1); | |
928 | else { | |
929 | cmd.control &= cpu_to_le16(~0x1); | |
930 | priv->txpower_cur = 0; | |
a7c45890 | 931 | } |
876c9d3a | 932 | |
d5db2dfa DW |
933 | lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n", |
934 | radio_on ? "ON" : "OFF", preamble); | |
a7c45890 | 935 | |
d5db2dfa | 936 | priv->radio_on = radio_on; |
a7c45890 DW |
937 | |
938 | ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd); | |
876c9d3a | 939 | |
d5db2dfa | 940 | out: |
9012b28a | 941 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); |
876c9d3a MT |
942 | return ret; |
943 | } | |
944 | ||
c97329e2 | 945 | void lbs_set_mac_control(struct lbs_private *priv) |
876c9d3a | 946 | { |
835d3ac5 | 947 | struct cmd_ds_mac_control cmd; |
876c9d3a | 948 | |
9012b28a | 949 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 950 | |
835d3ac5 | 951 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
d9e9778c | 952 | cmd.action = cpu_to_le16(priv->mac_control); |
835d3ac5 HS |
953 | cmd.reserved = 0; |
954 | ||
75bf45a7 | 955 | lbs_cmd_async(priv, CMD_MAC_CONTROL, &cmd.hdr, sizeof(cmd)); |
876c9d3a | 956 | |
c97329e2 | 957 | lbs_deb_leave(LBS_DEB_CMD); |
876c9d3a MT |
958 | } |
959 | ||
1047d5ed KD |
960 | /** |
961 | * @brief This function implements command CMD_802_11D_DOMAIN_INFO | |
962 | * @param priv pointer to struct lbs_private | |
963 | * @param cmd pointer to cmd buffer | |
964 | * @param cmdno cmd ID | |
965 | * @param cmdOption cmd action | |
966 | * @return 0 | |
967 | */ | |
968 | int lbs_cmd_802_11d_domain_info(struct lbs_private *priv, | |
969 | struct cmd_ds_command *cmd, | |
970 | u16 cmdoption) | |
971 | { | |
972 | struct cmd_ds_802_11d_domain_info *pdomaininfo = | |
973 | &cmd->params.domaininfo; | |
974 | struct mrvl_ie_domain_param_set *domain = &pdomaininfo->domain; | |
975 | u8 nr_triplet = priv->domain_reg.no_triplet; | |
976 | ||
977 | lbs_deb_enter(LBS_DEB_11D); | |
978 | ||
979 | lbs_deb_11d("nr_triplet=%x\n", nr_triplet); | |
980 | ||
981 | pdomaininfo->action = cpu_to_le16(cmdoption); | |
982 | if (cmdoption == CMD_ACT_GET) { | |
983 | cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) + | |
984 | sizeof(struct cmd_header)); | |
985 | lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd, | |
986 | le16_to_cpu(cmd->size)); | |
987 | goto done; | |
988 | } | |
989 | ||
990 | domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN); | |
991 | memcpy(domain->countrycode, priv->domain_reg.country_code, | |
992 | sizeof(domain->countrycode)); | |
993 | ||
994 | domain->header.len = cpu_to_le16(nr_triplet | |
995 | * sizeof(struct ieee80211_country_ie_triplet) | |
996 | + sizeof(domain->countrycode)); | |
997 | ||
998 | if (nr_triplet) { | |
999 | memcpy(domain->triplet, priv->domain_reg.triplet, | |
1000 | nr_triplet * | |
1001 | sizeof(struct ieee80211_country_ie_triplet)); | |
1002 | ||
1003 | cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) + | |
1004 | le16_to_cpu(domain->header.len) + | |
1005 | sizeof(struct mrvl_ie_header) + | |
1006 | sizeof(struct cmd_header)); | |
1007 | } else { | |
1008 | cmd->size = cpu_to_le16(sizeof(pdomaininfo->action) + | |
1009 | sizeof(struct cmd_header)); | |
1010 | } | |
1011 | ||
1012 | lbs_deb_hex(LBS_DEB_11D, "802_11D_DOMAIN_INFO", (u8 *) cmd, | |
1013 | le16_to_cpu(cmd->size)); | |
1014 | ||
1015 | done: | |
1016 | lbs_deb_enter(LBS_DEB_11D); | |
1017 | return 0; | |
1018 | } | |
1019 | ||
876c9d3a MT |
1020 | /** |
1021 | * @brief This function prepare the command before send to firmware. | |
1022 | * | |
69f9032d | 1023 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1024 | * @param cmd_no command number |
1025 | * @param cmd_action command action: GET or SET | |
1026 | * @param wait_option wait option: wait response or not | |
1027 | * @param cmd_oid cmd oid: treated as sub command | |
1028 | * @param pdata_buf A pointer to informaion buffer | |
1029 | * @return 0 or -1 | |
1030 | */ | |
69f9032d | 1031 | int lbs_prepare_and_send_command(struct lbs_private *priv, |
876c9d3a MT |
1032 | u16 cmd_no, |
1033 | u16 cmd_action, | |
1034 | u16 wait_option, u32 cmd_oid, void *pdata_buf) | |
1035 | { | |
1036 | int ret = 0; | |
876c9d3a MT |
1037 | struct cmd_ctrl_node *cmdnode; |
1038 | struct cmd_ds_command *cmdptr; | |
1039 | unsigned long flags; | |
1040 | ||
8ff12da1 | 1041 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 1042 | |
aa21c004 DW |
1043 | if (!priv) { |
1044 | lbs_deb_host("PREP_CMD: priv is NULL\n"); | |
876c9d3a MT |
1045 | ret = -1; |
1046 | goto done; | |
1047 | } | |
1048 | ||
aa21c004 | 1049 | if (priv->surpriseremoved) { |
8ff12da1 | 1050 | lbs_deb_host("PREP_CMD: card removed\n"); |
876c9d3a MT |
1051 | ret = -1; |
1052 | goto done; | |
1053 | } | |
1054 | ||
63f275df AK |
1055 | if (!lbs_is_cmd_allowed(priv)) { |
1056 | ret = -EBUSY; | |
1057 | goto done; | |
1058 | } | |
1059 | ||
0d61d042 | 1060 | cmdnode = lbs_get_cmd_ctrl_node(priv); |
876c9d3a MT |
1061 | |
1062 | if (cmdnode == NULL) { | |
8ff12da1 | 1063 | lbs_deb_host("PREP_CMD: cmdnode is NULL\n"); |
876c9d3a MT |
1064 | |
1065 | /* Wake up main thread to execute next command */ | |
fe336150 | 1066 | wake_up_interruptible(&priv->waitq); |
876c9d3a MT |
1067 | ret = -1; |
1068 | goto done; | |
1069 | } | |
1070 | ||
e98a88dd HS |
1071 | cmdnode->callback = NULL; |
1072 | cmdnode->callback_arg = (unsigned long)pdata_buf; | |
876c9d3a | 1073 | |
ddac4526 | 1074 | cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf; |
876c9d3a | 1075 | |
8ff12da1 | 1076 | lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no); |
876c9d3a | 1077 | |
876c9d3a | 1078 | /* Set sequence number, command and INT option */ |
aa21c004 DW |
1079 | priv->seqnum++; |
1080 | cmdptr->seqnum = cpu_to_le16(priv->seqnum); | |
876c9d3a | 1081 | |
981f187b | 1082 | cmdptr->command = cpu_to_le16(cmd_no); |
876c9d3a MT |
1083 | cmdptr->result = 0; |
1084 | ||
1085 | switch (cmd_no) { | |
0aef64d7 | 1086 | case CMD_802_11_PS_MODE: |
e98a88dd | 1087 | ret = lbs_cmd_802_11_ps_mode(cmdptr, cmd_action); |
876c9d3a MT |
1088 | break; |
1089 | ||
0aef64d7 DW |
1090 | case CMD_MAC_REG_ACCESS: |
1091 | case CMD_BBP_REG_ACCESS: | |
1092 | case CMD_RF_REG_ACCESS: | |
e98a88dd | 1093 | ret = lbs_cmd_reg_access(cmdptr, cmd_action, pdata_buf); |
876c9d3a MT |
1094 | break; |
1095 | ||
965f8bbc | 1096 | case CMD_802_11_MONITOR_MODE: |
e98a88dd | 1097 | ret = lbs_cmd_802_11_monitor_mode(cmdptr, |
965f8bbc LCC |
1098 | cmd_action, pdata_buf); |
1099 | break; | |
1100 | ||
0aef64d7 | 1101 | case CMD_802_11_RSSI: |
10078321 | 1102 | ret = lbs_cmd_802_11_rssi(priv, cmdptr); |
876c9d3a MT |
1103 | break; |
1104 | ||
0aef64d7 DW |
1105 | case CMD_802_11_SET_AFC: |
1106 | case CMD_802_11_GET_AFC: | |
876c9d3a MT |
1107 | |
1108 | cmdptr->command = cpu_to_le16(cmd_no); | |
981f187b | 1109 | cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) + |
8ec97cc8 | 1110 | sizeof(struct cmd_header)); |
876c9d3a MT |
1111 | |
1112 | memmove(&cmdptr->params.afc, | |
1113 | pdata_buf, sizeof(struct cmd_ds_802_11_afc)); | |
1114 | ||
1115 | ret = 0; | |
1116 | goto done; | |
1117 | ||
1047d5ed KD |
1118 | case CMD_802_11D_DOMAIN_INFO: |
1119 | cmdptr->command = cpu_to_le16(cmd_no); | |
1120 | ret = lbs_cmd_802_11d_domain_info(priv, cmdptr, cmd_action); | |
1121 | break; | |
1122 | ||
0aef64d7 DW |
1123 | case CMD_802_11_TPC_CFG: |
1124 | cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG); | |
876c9d3a MT |
1125 | cmdptr->size = |
1126 | cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) + | |
8ec97cc8 | 1127 | sizeof(struct cmd_header)); |
876c9d3a MT |
1128 | |
1129 | memmove(&cmdptr->params.tpccfg, | |
1130 | pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg)); | |
1131 | ||
1132 | ret = 0; | |
1133 | break; | |
5844d12e | 1134 | |
4143a23d HS |
1135 | #ifdef CONFIG_LIBERTAS_MESH |
1136 | ||
0aef64d7 | 1137 | case CMD_BT_ACCESS: |
e98a88dd | 1138 | ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf); |
876c9d3a MT |
1139 | break; |
1140 | ||
0aef64d7 | 1141 | case CMD_FWT_ACCESS: |
e98a88dd | 1142 | ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf); |
876c9d3a MT |
1143 | break; |
1144 | ||
4143a23d HS |
1145 | #endif |
1146 | ||
96287ac4 BD |
1147 | case CMD_802_11_BEACON_CTRL: |
1148 | ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action); | |
1149 | break; | |
49125454 AK |
1150 | case CMD_802_11_DEEP_SLEEP: |
1151 | cmdptr->command = cpu_to_le16(CMD_802_11_DEEP_SLEEP); | |
8ec97cc8 | 1152 | cmdptr->size = cpu_to_le16(sizeof(struct cmd_header)); |
49125454 | 1153 | break; |
876c9d3a | 1154 | default: |
e37fc6e1 | 1155 | lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no); |
876c9d3a MT |
1156 | ret = -1; |
1157 | break; | |
1158 | } | |
1159 | ||
1160 | /* return error, since the command preparation failed */ | |
1161 | if (ret != 0) { | |
8ff12da1 | 1162 | lbs_deb_host("PREP_CMD: command preparation failed\n"); |
10078321 | 1163 | lbs_cleanup_and_insert_cmd(priv, cmdnode); |
876c9d3a MT |
1164 | ret = -1; |
1165 | goto done; | |
1166 | } | |
1167 | ||
1168 | cmdnode->cmdwaitqwoken = 0; | |
1169 | ||
681ffbb7 | 1170 | lbs_queue_cmd(priv, cmdnode); |
fe336150 | 1171 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1172 | |
0aef64d7 | 1173 | if (wait_option & CMD_OPTION_WAITFORRSP) { |
8ff12da1 | 1174 | lbs_deb_host("PREP_CMD: wait for response\n"); |
876c9d3a MT |
1175 | might_sleep(); |
1176 | wait_event_interruptible(cmdnode->cmdwait_q, | |
1177 | cmdnode->cmdwaitqwoken); | |
1178 | } | |
1179 | ||
aa21c004 DW |
1180 | spin_lock_irqsave(&priv->driver_lock, flags); |
1181 | if (priv->cur_cmd_retcode) { | |
8ff12da1 | 1182 | lbs_deb_host("PREP_CMD: command failed with return code %d\n", |
aa21c004 DW |
1183 | priv->cur_cmd_retcode); |
1184 | priv->cur_cmd_retcode = 0; | |
876c9d3a MT |
1185 | ret = -1; |
1186 | } | |
aa21c004 | 1187 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1188 | |
1189 | done: | |
8ff12da1 | 1190 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); |
876c9d3a MT |
1191 | return ret; |
1192 | } | |
1193 | ||
1194 | /** | |
1195 | * @brief This function allocates the command buffer and link | |
1196 | * it to command free queue. | |
1197 | * | |
69f9032d | 1198 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1199 | * @return 0 or -1 |
1200 | */ | |
69f9032d | 1201 | int lbs_allocate_cmd_buffer(struct lbs_private *priv) |
876c9d3a MT |
1202 | { |
1203 | int ret = 0; | |
ddac4526 | 1204 | u32 bufsize; |
876c9d3a | 1205 | u32 i; |
ddac4526 | 1206 | struct cmd_ctrl_node *cmdarray; |
876c9d3a | 1207 | |
8ff12da1 | 1208 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 1209 | |
ddac4526 DW |
1210 | /* Allocate and initialize the command array */ |
1211 | bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS; | |
1212 | if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) { | |
8ff12da1 | 1213 | lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n"); |
876c9d3a MT |
1214 | ret = -1; |
1215 | goto done; | |
1216 | } | |
ddac4526 | 1217 | priv->cmd_array = cmdarray; |
876c9d3a | 1218 | |
ddac4526 DW |
1219 | /* Allocate and initialize each command buffer in the command array */ |
1220 | for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { | |
1221 | cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL); | |
1222 | if (!cmdarray[i].cmdbuf) { | |
8ff12da1 | 1223 | lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n"); |
876c9d3a MT |
1224 | ret = -1; |
1225 | goto done; | |
1226 | } | |
876c9d3a MT |
1227 | } |
1228 | ||
ddac4526 DW |
1229 | for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { |
1230 | init_waitqueue_head(&cmdarray[i].cmdwait_q); | |
1231 | lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]); | |
876c9d3a | 1232 | } |
876c9d3a | 1233 | ret = 0; |
9012b28a HS |
1234 | |
1235 | done: | |
8ff12da1 | 1236 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); |
876c9d3a MT |
1237 | return ret; |
1238 | } | |
1239 | ||
1240 | /** | |
1241 | * @brief This function frees the command buffer. | |
1242 | * | |
69f9032d | 1243 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1244 | * @return 0 or -1 |
1245 | */ | |
69f9032d | 1246 | int lbs_free_cmd_buffer(struct lbs_private *priv) |
876c9d3a | 1247 | { |
ddac4526 | 1248 | struct cmd_ctrl_node *cmdarray; |
876c9d3a | 1249 | unsigned int i; |
876c9d3a | 1250 | |
8ff12da1 | 1251 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a MT |
1252 | |
1253 | /* need to check if cmd array is allocated or not */ | |
aa21c004 | 1254 | if (priv->cmd_array == NULL) { |
8ff12da1 | 1255 | lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n"); |
876c9d3a MT |
1256 | goto done; |
1257 | } | |
1258 | ||
ddac4526 | 1259 | cmdarray = priv->cmd_array; |
876c9d3a MT |
1260 | |
1261 | /* Release shared memory buffers */ | |
ddac4526 DW |
1262 | for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { |
1263 | if (cmdarray[i].cmdbuf) { | |
1264 | kfree(cmdarray[i].cmdbuf); | |
1265 | cmdarray[i].cmdbuf = NULL; | |
876c9d3a MT |
1266 | } |
1267 | } | |
1268 | ||
1269 | /* Release cmd_ctrl_node */ | |
aa21c004 DW |
1270 | if (priv->cmd_array) { |
1271 | kfree(priv->cmd_array); | |
1272 | priv->cmd_array = NULL; | |
876c9d3a MT |
1273 | } |
1274 | ||
1275 | done: | |
8ff12da1 | 1276 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1277 | return 0; |
1278 | } | |
1279 | ||
1280 | /** | |
1281 | * @brief This function gets a free command node if available in | |
1282 | * command free queue. | |
1283 | * | |
69f9032d | 1284 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1285 | * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL |
1286 | */ | |
2fd6cfe3 | 1287 | static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv) |
876c9d3a MT |
1288 | { |
1289 | struct cmd_ctrl_node *tempnode; | |
876c9d3a MT |
1290 | unsigned long flags; |
1291 | ||
8ff12da1 HS |
1292 | lbs_deb_enter(LBS_DEB_HOST); |
1293 | ||
aa21c004 | 1294 | if (!priv) |
876c9d3a MT |
1295 | return NULL; |
1296 | ||
aa21c004 | 1297 | spin_lock_irqsave(&priv->driver_lock, flags); |
876c9d3a | 1298 | |
aa21c004 DW |
1299 | if (!list_empty(&priv->cmdfreeq)) { |
1300 | tempnode = list_first_entry(&priv->cmdfreeq, | |
abe3ed14 LZ |
1301 | struct cmd_ctrl_node, list); |
1302 | list_del(&tempnode->list); | |
876c9d3a | 1303 | } else { |
8ff12da1 | 1304 | lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n"); |
876c9d3a MT |
1305 | tempnode = NULL; |
1306 | } | |
1307 | ||
aa21c004 | 1308 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a | 1309 | |
8ff12da1 | 1310 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1311 | return tempnode; |
1312 | } | |
1313 | ||
876c9d3a MT |
1314 | /** |
1315 | * @brief This function executes next command in command | |
877d0310 | 1316 | * pending queue. It will put firmware back to PS mode |
876c9d3a MT |
1317 | * if applicable. |
1318 | * | |
69f9032d | 1319 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1320 | * @return 0 or -1 |
1321 | */ | |
69f9032d | 1322 | int lbs_execute_next_command(struct lbs_private *priv) |
876c9d3a | 1323 | { |
876c9d3a | 1324 | struct cmd_ctrl_node *cmdnode = NULL; |
ddac4526 | 1325 | struct cmd_header *cmd; |
876c9d3a MT |
1326 | unsigned long flags; |
1327 | int ret = 0; | |
1328 | ||
1afc09ab HS |
1329 | /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the |
1330 | * only caller to us is lbs_thread() and we get even when a | |
1331 | * data packet is received */ | |
8ff12da1 | 1332 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1333 | |
aa21c004 | 1334 | spin_lock_irqsave(&priv->driver_lock, flags); |
876c9d3a | 1335 | |
aa21c004 | 1336 | if (priv->cur_cmd) { |
8ff12da1 | 1337 | lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n"); |
aa21c004 | 1338 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1339 | ret = -1; |
1340 | goto done; | |
1341 | } | |
1342 | ||
aa21c004 DW |
1343 | if (!list_empty(&priv->cmdpendingq)) { |
1344 | cmdnode = list_first_entry(&priv->cmdpendingq, | |
abe3ed14 | 1345 | struct cmd_ctrl_node, list); |
876c9d3a MT |
1346 | } |
1347 | ||
aa21c004 | 1348 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1349 | |
1350 | if (cmdnode) { | |
ddac4526 | 1351 | cmd = cmdnode->cmdbuf; |
876c9d3a | 1352 | |
ddac4526 | 1353 | if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) { |
aa21c004 DW |
1354 | if ((priv->psstate == PS_STATE_SLEEP) || |
1355 | (priv->psstate == PS_STATE_PRE_SLEEP)) { | |
8ff12da1 HS |
1356 | lbs_deb_host( |
1357 | "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n", | |
ddac4526 | 1358 | le16_to_cpu(cmd->command), |
aa21c004 | 1359 | priv->psstate); |
876c9d3a MT |
1360 | ret = -1; |
1361 | goto done; | |
1362 | } | |
8ff12da1 | 1363 | lbs_deb_host("EXEC_NEXT_CMD: OK to send command " |
ddac4526 DW |
1364 | "0x%04x in psstate %d\n", |
1365 | le16_to_cpu(cmd->command), priv->psstate); | |
aa21c004 | 1366 | } else if (priv->psstate != PS_STATE_FULL_POWER) { |
876c9d3a MT |
1367 | /* |
1368 | * 1. Non-PS command: | |
1369 | * Queue it. set needtowakeup to TRUE if current state | |
10078321 | 1370 | * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS. |
876c9d3a MT |
1371 | * 2. PS command but not Exit_PS: |
1372 | * Ignore it. | |
1373 | * 3. PS command Exit_PS: | |
1374 | * Set needtowakeup to TRUE if current state is SLEEP, | |
1375 | * otherwise send this command down to firmware | |
1376 | * immediately. | |
1377 | */ | |
ddac4526 | 1378 | if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) { |
876c9d3a MT |
1379 | /* Prepare to send Exit PS, |
1380 | * this non PS command will be sent later */ | |
aa21c004 DW |
1381 | if ((priv->psstate == PS_STATE_SLEEP) |
1382 | || (priv->psstate == PS_STATE_PRE_SLEEP) | |
876c9d3a MT |
1383 | ) { |
1384 | /* w/ new scheme, it will not reach here. | |
1385 | since it is blocked in main_thread. */ | |
aa21c004 | 1386 | priv->needtowakeup = 1; |
876c9d3a | 1387 | } else |
10078321 | 1388 | lbs_ps_wakeup(priv, 0); |
876c9d3a MT |
1389 | |
1390 | ret = 0; | |
1391 | goto done; | |
1392 | } else { | |
1393 | /* | |
1394 | * PS command. Ignore it if it is not Exit_PS. | |
1395 | * otherwise send it down immediately. | |
1396 | */ | |
38bfab1a | 1397 | struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1]; |
876c9d3a | 1398 | |
8ff12da1 HS |
1399 | lbs_deb_host( |
1400 | "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n", | |
876c9d3a MT |
1401 | psm->action); |
1402 | if (psm->action != | |
0aef64d7 | 1403 | cpu_to_le16(CMD_SUBCMD_EXIT_PS)) { |
8ff12da1 HS |
1404 | lbs_deb_host( |
1405 | "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n"); | |
abe3ed14 | 1406 | list_del(&cmdnode->list); |
183aeac1 DW |
1407 | spin_lock_irqsave(&priv->driver_lock, flags); |
1408 | lbs_complete_command(priv, cmdnode, 0); | |
1409 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
876c9d3a MT |
1410 | |
1411 | ret = 0; | |
1412 | goto done; | |
1413 | } | |
1414 | ||
aa21c004 DW |
1415 | if ((priv->psstate == PS_STATE_SLEEP) || |
1416 | (priv->psstate == PS_STATE_PRE_SLEEP)) { | |
8ff12da1 HS |
1417 | lbs_deb_host( |
1418 | "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n"); | |
abe3ed14 | 1419 | list_del(&cmdnode->list); |
183aeac1 DW |
1420 | spin_lock_irqsave(&priv->driver_lock, flags); |
1421 | lbs_complete_command(priv, cmdnode, 0); | |
1422 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
aa21c004 | 1423 | priv->needtowakeup = 1; |
876c9d3a MT |
1424 | |
1425 | ret = 0; | |
1426 | goto done; | |
1427 | } | |
1428 | ||
8ff12da1 HS |
1429 | lbs_deb_host( |
1430 | "EXEC_NEXT_CMD: sending EXIT_PS\n"); | |
876c9d3a MT |
1431 | } |
1432 | } | |
abe3ed14 | 1433 | list_del(&cmdnode->list); |
8ff12da1 | 1434 | lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n", |
ddac4526 | 1435 | le16_to_cpu(cmd->command)); |
d9896ee1 | 1436 | lbs_submit_command(priv, cmdnode); |
876c9d3a MT |
1437 | } else { |
1438 | /* | |
1439 | * check if in power save mode, if yes, put the device back | |
1440 | * to PS mode | |
1441 | */ | |
e86dc1ca KD |
1442 | #ifdef TODO |
1443 | /* | |
1444 | * This was the old code for libertas+wext. Someone that | |
1445 | * understands this beast should re-code it in a sane way. | |
1446 | * | |
1447 | * I actually don't understand why this is related to WPA | |
1448 | * and to connection status, shouldn't powering should be | |
1449 | * independ of such things? | |
1450 | */ | |
aa21c004 DW |
1451 | if ((priv->psmode != LBS802_11POWERMODECAM) && |
1452 | (priv->psstate == PS_STATE_FULL_POWER) && | |
1453 | ((priv->connect_status == LBS_CONNECTED) || | |
602114ae | 1454 | lbs_mesh_connected(priv))) { |
aa21c004 DW |
1455 | if (priv->secinfo.WPAenabled || |
1456 | priv->secinfo.WPA2enabled) { | |
876c9d3a | 1457 | /* check for valid WPA group keys */ |
aa21c004 DW |
1458 | if (priv->wpa_mcast_key.len || |
1459 | priv->wpa_unicast_key.len) { | |
8ff12da1 | 1460 | lbs_deb_host( |
876c9d3a MT |
1461 | "EXEC_NEXT_CMD: WPA enabled and GTK_SET" |
1462 | " go back to PS_SLEEP"); | |
10078321 | 1463 | lbs_ps_sleep(priv, 0); |
876c9d3a MT |
1464 | } |
1465 | } else { | |
8ff12da1 HS |
1466 | lbs_deb_host( |
1467 | "EXEC_NEXT_CMD: cmdpendingq empty, " | |
1468 | "go back to PS_SLEEP"); | |
10078321 | 1469 | lbs_ps_sleep(priv, 0); |
876c9d3a MT |
1470 | } |
1471 | } | |
e86dc1ca | 1472 | #endif |
876c9d3a MT |
1473 | } |
1474 | ||
1475 | ret = 0; | |
1476 | done: | |
8ff12da1 | 1477 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
1478 | return ret; |
1479 | } | |
1480 | ||
f539f2ef | 1481 | static void lbs_send_confirmsleep(struct lbs_private *priv) |
876c9d3a MT |
1482 | { |
1483 | unsigned long flags; | |
f539f2ef | 1484 | int ret; |
876c9d3a | 1485 | |
8ff12da1 | 1486 | lbs_deb_enter(LBS_DEB_HOST); |
f539f2ef HS |
1487 | lbs_deb_hex(LBS_DEB_HOST, "sleep confirm", (u8 *) &confirm_sleep, |
1488 | sizeof(confirm_sleep)); | |
876c9d3a | 1489 | |
f539f2ef HS |
1490 | ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep, |
1491 | sizeof(confirm_sleep)); | |
876c9d3a | 1492 | if (ret) { |
f539f2ef | 1493 | lbs_pr_alert("confirm_sleep failed\n"); |
7919b89c | 1494 | goto out; |
876c9d3a | 1495 | } |
7919b89c HS |
1496 | |
1497 | spin_lock_irqsave(&priv->driver_lock, flags); | |
1498 | ||
a01f5450 HS |
1499 | /* We don't get a response on the sleep-confirmation */ |
1500 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
1501 | ||
66fceb69 AK |
1502 | if (priv->is_host_sleep_configured) { |
1503 | priv->is_host_sleep_activated = 1; | |
1504 | wake_up_interruptible(&priv->host_sleep_q); | |
1505 | } | |
1506 | ||
7919b89c | 1507 | /* If nothing to do, go back to sleep (?) */ |
e64c026d | 1508 | if (!kfifo_len(&priv->event_fifo) && !priv->resp_len[priv->resp_idx]) |
7919b89c HS |
1509 | priv->psstate = PS_STATE_SLEEP; |
1510 | ||
1511 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
1512 | ||
1513 | out: | |
f539f2ef | 1514 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1515 | } |
1516 | ||
69f9032d | 1517 | void lbs_ps_sleep(struct lbs_private *priv, int wait_option) |
876c9d3a | 1518 | { |
8ff12da1 | 1519 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a MT |
1520 | |
1521 | /* | |
1522 | * PS is currently supported only in Infrastructure mode | |
1523 | * Remove this check if it is to be supported in IBSS mode also | |
1524 | */ | |
1525 | ||
10078321 | 1526 | lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE, |
0aef64d7 | 1527 | CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL); |
876c9d3a | 1528 | |
8ff12da1 | 1529 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1530 | } |
1531 | ||
1532 | /** | |
8ff12da1 | 1533 | * @brief This function sends Exit_PS command to firmware. |
876c9d3a | 1534 | * |
69f9032d | 1535 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1536 | * @param wait_option wait response or not |
1537 | * @return n/a | |
1538 | */ | |
69f9032d | 1539 | void lbs_ps_wakeup(struct lbs_private *priv, int wait_option) |
876c9d3a | 1540 | { |
981f187b | 1541 | __le32 Localpsmode; |
876c9d3a | 1542 | |
8ff12da1 | 1543 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 1544 | |
10078321 | 1545 | Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM); |
876c9d3a | 1546 | |
10078321 | 1547 | lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE, |
0aef64d7 | 1548 | CMD_SUBCMD_EXIT_PS, |
876c9d3a MT |
1549 | wait_option, 0, &Localpsmode); |
1550 | ||
8ff12da1 | 1551 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1552 | } |
1553 | ||
1554 | /** | |
1555 | * @brief This function checks condition and prepares to | |
1556 | * send sleep confirm command to firmware if ok. | |
1557 | * | |
69f9032d | 1558 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1559 | * @param psmode Power Saving mode |
1560 | * @return n/a | |
1561 | */ | |
d4ff0ef6 | 1562 | void lbs_ps_confirm_sleep(struct lbs_private *priv) |
876c9d3a MT |
1563 | { |
1564 | unsigned long flags =0; | |
d4ff0ef6 | 1565 | int allowed = 1; |
876c9d3a | 1566 | |
8ff12da1 | 1567 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 1568 | |
a01f5450 | 1569 | spin_lock_irqsave(&priv->driver_lock, flags); |
634b8f49 | 1570 | if (priv->dnld_sent) { |
876c9d3a | 1571 | allowed = 0; |
23d36eec | 1572 | lbs_deb_host("dnld_sent was set\n"); |
876c9d3a MT |
1573 | } |
1574 | ||
7919b89c | 1575 | /* In-progress command? */ |
aa21c004 | 1576 | if (priv->cur_cmd) { |
876c9d3a | 1577 | allowed = 0; |
23d36eec | 1578 | lbs_deb_host("cur_cmd was set\n"); |
876c9d3a | 1579 | } |
7919b89c HS |
1580 | |
1581 | /* Pending events or command responses? */ | |
e64c026d | 1582 | if (kfifo_len(&priv->event_fifo) || priv->resp_len[priv->resp_idx]) { |
876c9d3a | 1583 | allowed = 0; |
7919b89c | 1584 | lbs_deb_host("pending events or command responses\n"); |
876c9d3a | 1585 | } |
aa21c004 | 1586 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1587 | |
1588 | if (allowed) { | |
10078321 | 1589 | lbs_deb_host("sending lbs_ps_confirm_sleep\n"); |
f539f2ef | 1590 | lbs_send_confirmsleep(priv); |
876c9d3a | 1591 | } else { |
8ff12da1 | 1592 | lbs_deb_host("sleep confirm has been delayed\n"); |
876c9d3a MT |
1593 | } |
1594 | ||
8ff12da1 | 1595 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a | 1596 | } |
675787e2 HS |
1597 | |
1598 | ||
0112c9e9 AN |
1599 | /** |
1600 | * @brief Configures the transmission power control functionality. | |
1601 | * | |
1602 | * @param priv A pointer to struct lbs_private structure | |
1603 | * @param enable Transmission power control enable | |
1604 | * @param p0 Power level when link quality is good (dBm). | |
1605 | * @param p1 Power level when link quality is fair (dBm). | |
1606 | * @param p2 Power level when link quality is poor (dBm). | |
1607 | * @param usesnr Use Signal to Noise Ratio in TPC | |
1608 | * | |
1609 | * @return 0 on success | |
1610 | */ | |
1611 | int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1, | |
1612 | int8_t p2, int usesnr) | |
1613 | { | |
1614 | struct cmd_ds_802_11_tpc_cfg cmd; | |
1615 | int ret; | |
1616 | ||
1617 | memset(&cmd, 0, sizeof(cmd)); | |
1618 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1619 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
1620 | cmd.enable = !!enable; | |
3ed6e080 | 1621 | cmd.usesnr = !!usesnr; |
0112c9e9 AN |
1622 | cmd.P0 = p0; |
1623 | cmd.P1 = p1; | |
1624 | cmd.P2 = p2; | |
1625 | ||
1626 | ret = lbs_cmd_with_response(priv, CMD_802_11_TPC_CFG, &cmd); | |
1627 | ||
1628 | return ret; | |
1629 | } | |
1630 | ||
1631 | /** | |
1632 | * @brief Configures the power adaptation settings. | |
1633 | * | |
1634 | * @param priv A pointer to struct lbs_private structure | |
1635 | * @param enable Power adaptation enable | |
1636 | * @param p0 Power level for 1, 2, 5.5 and 11 Mbps (dBm). | |
1637 | * @param p1 Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm). | |
1638 | * @param p2 Power level for 48 and 54 Mbps (dBm). | |
1639 | * | |
1640 | * @return 0 on Success | |
1641 | */ | |
1642 | ||
1643 | int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0, | |
1644 | int8_t p1, int8_t p2) | |
1645 | { | |
1646 | struct cmd_ds_802_11_pa_cfg cmd; | |
1647 | int ret; | |
1648 | ||
1649 | memset(&cmd, 0, sizeof(cmd)); | |
1650 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1651 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
1652 | cmd.enable = !!enable; | |
1653 | cmd.P0 = p0; | |
1654 | cmd.P1 = p1; | |
1655 | cmd.P2 = p2; | |
1656 | ||
1657 | ret = lbs_cmd_with_response(priv, CMD_802_11_PA_CFG , &cmd); | |
1658 | ||
1659 | return ret; | |
1660 | } | |
1661 | ||
1662 | ||
6d898b19 | 1663 | struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, |
8db4a2b9 HS |
1664 | uint16_t command, struct cmd_header *in_cmd, int in_cmd_size, |
1665 | int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *), | |
1666 | unsigned long callback_arg) | |
675787e2 | 1667 | { |
675787e2 | 1668 | struct cmd_ctrl_node *cmdnode; |
675787e2 HS |
1669 | |
1670 | lbs_deb_enter(LBS_DEB_HOST); | |
675787e2 | 1671 | |
aa21c004 | 1672 | if (priv->surpriseremoved) { |
675787e2 | 1673 | lbs_deb_host("PREP_CMD: card removed\n"); |
3399ea5f | 1674 | cmdnode = ERR_PTR(-ENOENT); |
675787e2 HS |
1675 | goto done; |
1676 | } | |
1677 | ||
63f275df AK |
1678 | if (!lbs_is_cmd_allowed(priv)) { |
1679 | cmdnode = ERR_PTR(-EBUSY); | |
1680 | goto done; | |
1681 | } | |
1682 | ||
675787e2 | 1683 | cmdnode = lbs_get_cmd_ctrl_node(priv); |
675787e2 HS |
1684 | if (cmdnode == NULL) { |
1685 | lbs_deb_host("PREP_CMD: cmdnode is NULL\n"); | |
1686 | ||
1687 | /* Wake up main thread to execute next command */ | |
1688 | wake_up_interruptible(&priv->waitq); | |
3399ea5f | 1689 | cmdnode = ERR_PTR(-ENOBUFS); |
675787e2 HS |
1690 | goto done; |
1691 | } | |
1692 | ||
448a51ae | 1693 | cmdnode->callback = callback; |
1309b55b | 1694 | cmdnode->callback_arg = callback_arg; |
675787e2 | 1695 | |
7ad994de | 1696 | /* Copy the incoming command to the buffer */ |
ddac4526 | 1697 | memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size); |
7ad994de | 1698 | |
675787e2 | 1699 | /* Set sequence number, clean result, move to buffer */ |
aa21c004 | 1700 | priv->seqnum++; |
ddac4526 DW |
1701 | cmdnode->cmdbuf->command = cpu_to_le16(command); |
1702 | cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size); | |
1703 | cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum); | |
1704 | cmdnode->cmdbuf->result = 0; | |
675787e2 HS |
1705 | |
1706 | lbs_deb_host("PREP_CMD: command 0x%04x\n", command); | |
1707 | ||
675787e2 | 1708 | cmdnode->cmdwaitqwoken = 0; |
681ffbb7 | 1709 | lbs_queue_cmd(priv, cmdnode); |
675787e2 HS |
1710 | wake_up_interruptible(&priv->waitq); |
1711 | ||
3399ea5f DW |
1712 | done: |
1713 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode); | |
1714 | return cmdnode; | |
1715 | } | |
1716 | ||
8db4a2b9 HS |
1717 | void lbs_cmd_async(struct lbs_private *priv, uint16_t command, |
1718 | struct cmd_header *in_cmd, int in_cmd_size) | |
1719 | { | |
1720 | lbs_deb_enter(LBS_DEB_CMD); | |
1721 | __lbs_cmd_async(priv, command, in_cmd, in_cmd_size, | |
1722 | lbs_cmd_async_callback, 0); | |
1723 | lbs_deb_leave(LBS_DEB_CMD); | |
1724 | } | |
1725 | ||
3399ea5f DW |
1726 | int __lbs_cmd(struct lbs_private *priv, uint16_t command, |
1727 | struct cmd_header *in_cmd, int in_cmd_size, | |
1728 | int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *), | |
1729 | unsigned long callback_arg) | |
1730 | { | |
1731 | struct cmd_ctrl_node *cmdnode; | |
1732 | unsigned long flags; | |
1733 | int ret = 0; | |
1734 | ||
1735 | lbs_deb_enter(LBS_DEB_HOST); | |
1736 | ||
1737 | cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size, | |
1738 | callback, callback_arg); | |
1739 | if (IS_ERR(cmdnode)) { | |
1740 | ret = PTR_ERR(cmdnode); | |
1741 | goto done; | |
1742 | } | |
1743 | ||
675787e2 HS |
1744 | might_sleep(); |
1745 | wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken); | |
1746 | ||
aa21c004 | 1747 | spin_lock_irqsave(&priv->driver_lock, flags); |
ae125bf8 DW |
1748 | ret = cmdnode->result; |
1749 | if (ret) | |
1750 | lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n", | |
1751 | command, ret); | |
3399ea5f | 1752 | |
ad12d0f4 | 1753 | __lbs_cleanup_and_insert_cmd(priv, cmdnode); |
aa21c004 | 1754 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
675787e2 HS |
1755 | |
1756 | done: | |
1757 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); | |
1758 | return ret; | |
1759 | } | |
14e865ba | 1760 | EXPORT_SYMBOL_GPL(__lbs_cmd); |