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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 HS |
7 | #include <linux/sched.h> |
8 | ||
876c9d3a | 9 | #include "host.h" |
876c9d3a MT |
10 | #include "decl.h" |
11 | #include "defs.h" | |
12 | #include "dev.h" | |
697900ac | 13 | #include "assoc.h" |
876c9d3a | 14 | #include "wext.h" |
2d46502d | 15 | #include "scan.h" |
6e66f03f | 16 | #include "cmd.h" |
876c9d3a | 17 | |
e93156e7 | 18 | |
2fd6cfe3 | 19 | static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv); |
0d61d042 | 20 | |
8db4a2b9 HS |
21 | /** |
22 | * @brief Simple callback that copies response back into command | |
23 | * | |
24 | * @param priv A pointer to struct lbs_private structure | |
25 | * @param extra A pointer to the original command structure for which | |
26 | * 'resp' is a response | |
27 | * @param resp A pointer to the command response | |
28 | * | |
29 | * @return 0 on success, error on failure | |
30 | */ | |
31 | int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra, | |
32 | struct cmd_header *resp) | |
33 | { | |
34 | struct cmd_header *buf = (void *)extra; | |
35 | uint16_t copy_len; | |
36 | ||
37 | copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size)); | |
38 | memcpy(buf, resp, copy_len); | |
39 | return 0; | |
40 | } | |
41 | EXPORT_SYMBOL_GPL(lbs_cmd_copyback); | |
42 | ||
43 | /** | |
44 | * @brief Simple callback that ignores the result. Use this if | |
45 | * you just want to send a command to the hardware, but don't | |
46 | * care for the result. | |
47 | * | |
48 | * @param priv ignored | |
49 | * @param extra ignored | |
50 | * @param resp ignored | |
51 | * | |
52 | * @return 0 for success | |
53 | */ | |
54 | static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra, | |
55 | struct cmd_header *resp) | |
56 | { | |
57 | return 0; | |
58 | } | |
59 | ||
60 | ||
876c9d3a | 61 | /** |
852e1f2a | 62 | * @brief Checks whether a command is allowed in Power Save mode |
876c9d3a MT |
63 | * |
64 | * @param command the command ID | |
852e1f2a | 65 | * @return 1 if allowed, 0 if not allowed |
876c9d3a | 66 | */ |
852e1f2a | 67 | static u8 is_command_allowed_in_ps(u16 cmd) |
876c9d3a | 68 | { |
852e1f2a DW |
69 | switch (cmd) { |
70 | case CMD_802_11_RSSI: | |
71 | return 1; | |
72 | default: | |
73 | break; | |
876c9d3a | 74 | } |
876c9d3a MT |
75 | return 0; |
76 | } | |
77 | ||
63f275df AK |
78 | /** |
79 | * @brief This function checks if the command is allowed. | |
80 | * | |
81 | * @param priv A pointer to lbs_private structure | |
82 | * @return allowed or not allowed. | |
83 | */ | |
84 | ||
85 | static int lbs_is_cmd_allowed(struct lbs_private *priv) | |
86 | { | |
87 | int ret = 1; | |
88 | ||
89 | lbs_deb_enter(LBS_DEB_CMD); | |
90 | ||
91 | if (!priv->is_auto_deep_sleep_enabled) { | |
92 | if (priv->is_deep_sleep) { | |
93 | lbs_deb_cmd("command not allowed in deep sleep\n"); | |
94 | ret = 0; | |
95 | } | |
96 | } | |
97 | ||
98 | lbs_deb_leave(LBS_DEB_CMD); | |
99 | return ret; | |
100 | } | |
101 | ||
6e66f03f DW |
102 | /** |
103 | * @brief Updates the hardware details like MAC address and regulatory region | |
104 | * | |
105 | * @param priv A pointer to struct lbs_private structure | |
106 | * | |
107 | * @return 0 on success, error on failure | |
108 | */ | |
109 | int lbs_update_hw_spec(struct lbs_private *priv) | |
876c9d3a | 110 | { |
6e66f03f DW |
111 | struct cmd_ds_get_hw_spec cmd; |
112 | int ret = -1; | |
113 | u32 i; | |
876c9d3a | 114 | |
9012b28a | 115 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 116 | |
6e66f03f DW |
117 | memset(&cmd, 0, sizeof(cmd)); |
118 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
119 | memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN); | |
689442dc | 120 | ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd); |
6e66f03f DW |
121 | if (ret) |
122 | goto out; | |
123 | ||
124 | priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo); | |
6e66f03f | 125 | |
dac10a9f HS |
126 | /* The firmware release is in an interesting format: the patch |
127 | * level is in the most significant nibble ... so fix that: */ | |
128 | priv->fwrelease = le32_to_cpu(cmd.fwrelease); | |
129 | priv->fwrelease = (priv->fwrelease << 8) | | |
130 | (priv->fwrelease >> 24 & 0xff); | |
131 | ||
132 | /* Some firmware capabilities: | |
133 | * CF card firmware 5.0.16p0: cap 0x00000303 | |
134 | * USB dongle firmware 5.110.17p2: cap 0x00000303 | |
135 | */ | |
e174961c JB |
136 | lbs_pr_info("%pM, fw %u.%u.%up%u, cap 0x%08x\n", |
137 | cmd.permanentaddr, | |
dac10a9f HS |
138 | priv->fwrelease >> 24 & 0xff, |
139 | priv->fwrelease >> 16 & 0xff, | |
140 | priv->fwrelease >> 8 & 0xff, | |
141 | priv->fwrelease & 0xff, | |
142 | priv->fwcapinfo); | |
6e66f03f DW |
143 | lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n", |
144 | cmd.hwifversion, cmd.version); | |
145 | ||
684d6b36 BZ |
146 | /* Determine mesh_fw_ver from fwrelease and fwcapinfo */ |
147 | /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */ | |
148 | /* 5.110.22 have mesh command with 0xa3 command id */ | |
149 | /* 10.0.0.p0 FW brings in mesh config command with different id */ | |
150 | /* Check FW version MSB and initialize mesh_fw_ver */ | |
151 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) | |
152 | priv->mesh_fw_ver = MESH_FW_OLD; | |
153 | else if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && | |
154 | (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) | |
155 | priv->mesh_fw_ver = MESH_FW_NEW; | |
156 | else | |
157 | priv->mesh_fw_ver = MESH_NONE; | |
158 | ||
6e66f03f DW |
159 | /* Clamp region code to 8-bit since FW spec indicates that it should |
160 | * only ever be 8-bit, even though the field size is 16-bit. Some firmware | |
161 | * returns non-zero high 8 bits here. | |
15483996 MV |
162 | * |
163 | * Firmware version 4.0.102 used in CF8381 has region code shifted. We | |
164 | * need to check for this problem and handle it properly. | |
6e66f03f | 165 | */ |
15483996 MV |
166 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V4) |
167 | priv->regioncode = (le16_to_cpu(cmd.regioncode) >> 8) & 0xFF; | |
168 | else | |
169 | priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF; | |
6e66f03f DW |
170 | |
171 | for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) { | |
172 | /* use the region code to search for the index */ | |
173 | if (priv->regioncode == lbs_region_code_to_index[i]) | |
174 | break; | |
175 | } | |
176 | ||
177 | /* if it's unidentified region code, use the default (USA) */ | |
178 | if (i >= MRVDRV_MAX_REGION_CODE) { | |
179 | priv->regioncode = 0x10; | |
180 | lbs_pr_info("unidentified region code; using the default (USA)\n"); | |
181 | } | |
182 | ||
183 | if (priv->current_addr[0] == 0xff) | |
184 | memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN); | |
876c9d3a | 185 | |
6e66f03f DW |
186 | memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN); |
187 | if (priv->mesh_dev) | |
188 | memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN); | |
189 | ||
190 | if (lbs_set_regiontable(priv, priv->regioncode, 0)) { | |
191 | ret = -1; | |
192 | goto out; | |
193 | } | |
194 | ||
6e66f03f | 195 | out: |
9012b28a | 196 | lbs_deb_leave(LBS_DEB_CMD); |
6e66f03f | 197 | return ret; |
876c9d3a MT |
198 | } |
199 | ||
582c1b53 AN |
200 | int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria, |
201 | struct wol_config *p_wol_config) | |
6ce4fd2a DW |
202 | { |
203 | struct cmd_ds_host_sleep cmd_config; | |
204 | int ret; | |
205 | ||
9fae899c | 206 | cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config)); |
6ce4fd2a | 207 | cmd_config.criteria = cpu_to_le32(criteria); |
506e9025 DW |
208 | cmd_config.gpio = priv->wol_gpio; |
209 | cmd_config.gap = priv->wol_gap; | |
6ce4fd2a | 210 | |
582c1b53 AN |
211 | if (p_wol_config != NULL) |
212 | memcpy((uint8_t *)&cmd_config.wol_conf, (uint8_t *)p_wol_config, | |
213 | sizeof(struct wol_config)); | |
214 | else | |
215 | cmd_config.wol_conf.action = CMD_ACT_ACTION_NONE; | |
216 | ||
689442dc | 217 | ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config); |
506e9025 | 218 | if (!ret) { |
582c1b53 AN |
219 | if (criteria) { |
220 | lbs_deb_cmd("Set WOL criteria to %x\n", criteria); | |
221 | priv->wol_criteria = criteria; | |
222 | } else | |
223 | memcpy((uint8_t *) p_wol_config, | |
224 | (uint8_t *)&cmd_config.wol_conf, | |
225 | sizeof(struct wol_config)); | |
506e9025 | 226 | } else { |
6ce4fd2a | 227 | lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret); |
6ce4fd2a | 228 | } |
506e9025 | 229 | |
6ce4fd2a DW |
230 | return ret; |
231 | } | |
232 | EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg); | |
233 | ||
e98a88dd | 234 | static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd, |
876c9d3a MT |
235 | u16 cmd_action) |
236 | { | |
237 | struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode; | |
876c9d3a | 238 | |
9012b28a | 239 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 240 | |
0aef64d7 | 241 | cmd->command = cpu_to_le16(CMD_802_11_PS_MODE); |
981f187b | 242 | cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) + |
8ec97cc8 | 243 | sizeof(struct cmd_header)); |
876c9d3a MT |
244 | psm->action = cpu_to_le16(cmd_action); |
245 | psm->multipledtim = 0; | |
981f187b | 246 | switch (cmd_action) { |
0aef64d7 | 247 | case CMD_SUBCMD_ENTER_PS: |
9012b28a | 248 | lbs_deb_cmd("PS command:" "SubCode- Enter PS\n"); |
876c9d3a | 249 | |
252cf0d1 | 250 | psm->locallisteninterval = 0; |
97605c3e | 251 | psm->nullpktinterval = 0; |
876c9d3a | 252 | psm->multipledtim = |
56c4656e | 253 | cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM); |
876c9d3a MT |
254 | break; |
255 | ||
0aef64d7 | 256 | case CMD_SUBCMD_EXIT_PS: |
9012b28a | 257 | lbs_deb_cmd("PS command:" "SubCode- Exit PS\n"); |
876c9d3a MT |
258 | break; |
259 | ||
0aef64d7 | 260 | case CMD_SUBCMD_SLEEP_CONFIRMED: |
9012b28a | 261 | lbs_deb_cmd("PS command: SubCode- sleep confirm\n"); |
876c9d3a MT |
262 | break; |
263 | ||
264 | default: | |
265 | break; | |
266 | } | |
267 | ||
9012b28a | 268 | lbs_deb_leave(LBS_DEB_CMD); |
876c9d3a MT |
269 | return 0; |
270 | } | |
271 | ||
3fbe104c DW |
272 | int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action, |
273 | struct sleep_params *sp) | |
876c9d3a | 274 | { |
3fbe104c DW |
275 | struct cmd_ds_802_11_sleep_params cmd; |
276 | int ret; | |
876c9d3a | 277 | |
9012b28a | 278 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 279 | |
0aef64d7 | 280 | if (cmd_action == CMD_ACT_GET) { |
3fbe104c DW |
281 | memset(&cmd, 0, sizeof(cmd)); |
282 | } else { | |
283 | cmd.error = cpu_to_le16(sp->sp_error); | |
284 | cmd.offset = cpu_to_le16(sp->sp_offset); | |
285 | cmd.stabletime = cpu_to_le16(sp->sp_stabletime); | |
286 | cmd.calcontrol = sp->sp_calcontrol; | |
287 | cmd.externalsleepclk = sp->sp_extsleepclk; | |
288 | cmd.reserved = cpu_to_le16(sp->sp_reserved); | |
876c9d3a | 289 | } |
3fbe104c DW |
290 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
291 | cmd.action = cpu_to_le16(cmd_action); | |
876c9d3a | 292 | |
3fbe104c DW |
293 | ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd); |
294 | ||
295 | if (!ret) { | |
296 | lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, " | |
297 | "calcontrol 0x%x extsleepclk 0x%x\n", | |
298 | le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset), | |
299 | le16_to_cpu(cmd.stabletime), cmd.calcontrol, | |
300 | cmd.externalsleepclk); | |
301 | ||
302 | sp->sp_error = le16_to_cpu(cmd.error); | |
303 | sp->sp_offset = le16_to_cpu(cmd.offset); | |
304 | sp->sp_stabletime = le16_to_cpu(cmd.stabletime); | |
305 | sp->sp_calcontrol = cmd.calcontrol; | |
306 | sp->sp_extsleepclk = cmd.externalsleepclk; | |
307 | sp->sp_reserved = le16_to_cpu(cmd.reserved); | |
308 | } | |
309 | ||
310 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
876c9d3a MT |
311 | return 0; |
312 | } | |
313 | ||
49125454 AK |
314 | static int lbs_wait_for_ds_awake(struct lbs_private *priv) |
315 | { | |
316 | int ret = 0; | |
317 | ||
318 | lbs_deb_enter(LBS_DEB_CMD); | |
319 | ||
320 | if (priv->is_deep_sleep) { | |
321 | if (!wait_event_interruptible_timeout(priv->ds_awake_q, | |
322 | !priv->is_deep_sleep, (10 * HZ))) { | |
323 | lbs_pr_err("ds_awake_q: timer expired\n"); | |
324 | ret = -1; | |
325 | } | |
326 | } | |
327 | ||
328 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
329 | return ret; | |
330 | } | |
331 | ||
332 | int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep) | |
333 | { | |
334 | int ret = 0; | |
335 | ||
336 | lbs_deb_enter(LBS_DEB_CMD); | |
337 | ||
338 | if (deep_sleep) { | |
339 | if (priv->is_deep_sleep != 1) { | |
340 | lbs_deb_cmd("deep sleep: sleep\n"); | |
341 | BUG_ON(!priv->enter_deep_sleep); | |
342 | ret = priv->enter_deep_sleep(priv); | |
343 | if (!ret) { | |
344 | netif_stop_queue(priv->dev); | |
345 | netif_carrier_off(priv->dev); | |
346 | } | |
347 | } else { | |
348 | lbs_pr_err("deep sleep: already enabled\n"); | |
349 | } | |
350 | } else { | |
351 | if (priv->is_deep_sleep) { | |
352 | lbs_deb_cmd("deep sleep: wakeup\n"); | |
353 | BUG_ON(!priv->exit_deep_sleep); | |
354 | ret = priv->exit_deep_sleep(priv); | |
355 | if (!ret) { | |
356 | ret = lbs_wait_for_ds_awake(priv); | |
357 | if (ret) | |
358 | lbs_pr_err("deep sleep: wakeup" | |
359 | "failed\n"); | |
360 | } | |
361 | } | |
362 | } | |
363 | ||
364 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
365 | return ret; | |
366 | } | |
367 | ||
39fcf7a3 DW |
368 | /** |
369 | * @brief Set an SNMP MIB value | |
370 | * | |
371 | * @param priv A pointer to struct lbs_private structure | |
372 | * @param oid The OID to set in the firmware | |
373 | * @param val Value to set the OID to | |
374 | * | |
375 | * @return 0 on success, error on failure | |
376 | */ | |
377 | int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val) | |
876c9d3a | 378 | { |
39fcf7a3 DW |
379 | struct cmd_ds_802_11_snmp_mib cmd; |
380 | int ret; | |
876c9d3a | 381 | |
9012b28a | 382 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 383 | |
39fcf7a3 DW |
384 | memset(&cmd, 0, sizeof (cmd)); |
385 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
386 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
387 | cmd.oid = cpu_to_le16((u16) oid); | |
876c9d3a | 388 | |
39fcf7a3 DW |
389 | switch (oid) { |
390 | case SNMP_MIB_OID_BSS_TYPE: | |
391 | cmd.bufsize = cpu_to_le16(sizeof(u8)); | |
fef0640e | 392 | cmd.value[0] = val; |
39fcf7a3 DW |
393 | break; |
394 | case SNMP_MIB_OID_11D_ENABLE: | |
395 | case SNMP_MIB_OID_FRAG_THRESHOLD: | |
396 | case SNMP_MIB_OID_RTS_THRESHOLD: | |
397 | case SNMP_MIB_OID_SHORT_RETRY_LIMIT: | |
398 | case SNMP_MIB_OID_LONG_RETRY_LIMIT: | |
399 | cmd.bufsize = cpu_to_le16(sizeof(u16)); | |
400 | *((__le16 *)(&cmd.value)) = cpu_to_le16(val); | |
876c9d3a | 401 | break; |
39fcf7a3 DW |
402 | default: |
403 | lbs_deb_cmd("SNMP_CMD: (set) unhandled OID 0x%x\n", oid); | |
404 | ret = -EINVAL; | |
405 | goto out; | |
876c9d3a MT |
406 | } |
407 | ||
39fcf7a3 DW |
408 | lbs_deb_cmd("SNMP_CMD: (set) oid 0x%x, oid size 0x%x, value 0x%x\n", |
409 | le16_to_cpu(cmd.oid), le16_to_cpu(cmd.bufsize), val); | |
876c9d3a | 410 | |
39fcf7a3 | 411 | ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd); |
876c9d3a | 412 | |
39fcf7a3 DW |
413 | out: |
414 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
415 | return ret; | |
416 | } | |
876c9d3a | 417 | |
39fcf7a3 DW |
418 | /** |
419 | * @brief Get an SNMP MIB value | |
420 | * | |
421 | * @param priv A pointer to struct lbs_private structure | |
422 | * @param oid The OID to retrieve from the firmware | |
423 | * @param out_val Location for the returned value | |
424 | * | |
425 | * @return 0 on success, error on failure | |
426 | */ | |
427 | int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val) | |
428 | { | |
429 | struct cmd_ds_802_11_snmp_mib cmd; | |
430 | int ret; | |
876c9d3a | 431 | |
39fcf7a3 | 432 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 433 | |
39fcf7a3 DW |
434 | memset(&cmd, 0, sizeof (cmd)); |
435 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
436 | cmd.action = cpu_to_le16(CMD_ACT_GET); | |
437 | cmd.oid = cpu_to_le16(oid); | |
876c9d3a | 438 | |
39fcf7a3 DW |
439 | ret = lbs_cmd_with_response(priv, CMD_802_11_SNMP_MIB, &cmd); |
440 | if (ret) | |
441 | goto out; | |
876c9d3a | 442 | |
39fcf7a3 DW |
443 | switch (le16_to_cpu(cmd.bufsize)) { |
444 | case sizeof(u8): | |
fef0640e | 445 | *out_val = cmd.value[0]; |
39fcf7a3 DW |
446 | break; |
447 | case sizeof(u16): | |
448 | *out_val = le16_to_cpu(*((__le16 *)(&cmd.value))); | |
876c9d3a MT |
449 | break; |
450 | default: | |
39fcf7a3 DW |
451 | lbs_deb_cmd("SNMP_CMD: (get) unhandled OID 0x%x size %d\n", |
452 | oid, le16_to_cpu(cmd.bufsize)); | |
876c9d3a MT |
453 | break; |
454 | } | |
455 | ||
39fcf7a3 DW |
456 | out: |
457 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
458 | return ret; | |
876c9d3a MT |
459 | } |
460 | ||
87c8c72d DW |
461 | /** |
462 | * @brief Get the min, max, and current TX power | |
463 | * | |
464 | * @param priv A pointer to struct lbs_private structure | |
465 | * @param curlevel Current power level in dBm | |
466 | * @param minlevel Minimum supported power level in dBm (optional) | |
467 | * @param maxlevel Maximum supported power level in dBm (optional) | |
468 | * | |
469 | * @return 0 on success, error on failure | |
470 | */ | |
471 | int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel, | |
472 | s16 *maxlevel) | |
876c9d3a | 473 | { |
87c8c72d DW |
474 | struct cmd_ds_802_11_rf_tx_power cmd; |
475 | int ret; | |
876c9d3a | 476 | |
9012b28a | 477 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 478 | |
87c8c72d DW |
479 | memset(&cmd, 0, sizeof(cmd)); |
480 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
481 | cmd.action = cpu_to_le16(CMD_ACT_GET); | |
482 | ||
483 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd); | |
484 | if (ret == 0) { | |
485 | *curlevel = le16_to_cpu(cmd.curlevel); | |
486 | if (minlevel) | |
87bf24f3 | 487 | *minlevel = cmd.minlevel; |
87c8c72d | 488 | if (maxlevel) |
87bf24f3 | 489 | *maxlevel = cmd.maxlevel; |
87c8c72d | 490 | } |
876c9d3a | 491 | |
87c8c72d DW |
492 | lbs_deb_leave(LBS_DEB_CMD); |
493 | return ret; | |
494 | } | |
876c9d3a | 495 | |
87c8c72d DW |
496 | /** |
497 | * @brief Set the TX power | |
498 | * | |
499 | * @param priv A pointer to struct lbs_private structure | |
500 | * @param dbm The desired power level in dBm | |
501 | * | |
502 | * @return 0 on success, error on failure | |
503 | */ | |
504 | int lbs_set_tx_power(struct lbs_private *priv, s16 dbm) | |
505 | { | |
506 | struct cmd_ds_802_11_rf_tx_power cmd; | |
507 | int ret; | |
876c9d3a | 508 | |
87c8c72d | 509 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 510 | |
87c8c72d DW |
511 | memset(&cmd, 0, sizeof(cmd)); |
512 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
513 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
514 | cmd.curlevel = cpu_to_le16(dbm); | |
876c9d3a | 515 | |
87c8c72d DW |
516 | lbs_deb_cmd("SET_RF_TX_POWER: %d dBm\n", dbm); |
517 | ||
518 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_TX_POWER, &cmd); | |
9012b28a HS |
519 | |
520 | lbs_deb_leave(LBS_DEB_CMD); | |
87c8c72d | 521 | return ret; |
876c9d3a MT |
522 | } |
523 | ||
e98a88dd | 524 | static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd, |
965f8bbc LCC |
525 | u16 cmd_action, void *pdata_buf) |
526 | { | |
527 | struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor; | |
528 | ||
529 | cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE); | |
530 | cmd->size = | |
531 | cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) + | |
8ec97cc8 | 532 | sizeof(struct cmd_header)); |
965f8bbc LCC |
533 | |
534 | monitor->action = cpu_to_le16(cmd_action); | |
535 | if (cmd_action == CMD_ACT_SET) { | |
536 | monitor->mode = | |
537 | cpu_to_le16((u16) (*(u32 *) pdata_buf)); | |
538 | } | |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
2dd4b262 DW |
543 | /** |
544 | * @brief Get the radio channel | |
545 | * | |
546 | * @param priv A pointer to struct lbs_private structure | |
547 | * | |
548 | * @return The channel on success, error on failure | |
549 | */ | |
a3cbfb08 | 550 | static int lbs_get_channel(struct lbs_private *priv) |
876c9d3a | 551 | { |
2dd4b262 DW |
552 | struct cmd_ds_802_11_rf_channel cmd; |
553 | int ret = 0; | |
876c9d3a | 554 | |
8ff12da1 | 555 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 556 | |
8d0c7fad | 557 | memset(&cmd, 0, sizeof(cmd)); |
2dd4b262 DW |
558 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
559 | cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET); | |
876c9d3a | 560 | |
689442dc | 561 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd); |
2dd4b262 DW |
562 | if (ret) |
563 | goto out; | |
876c9d3a | 564 | |
cb182a60 DW |
565 | ret = le16_to_cpu(cmd.channel); |
566 | lbs_deb_cmd("current radio channel is %d\n", ret); | |
2dd4b262 DW |
567 | |
568 | out: | |
569 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
570 | return ret; | |
571 | } | |
572 | ||
73ab1f25 HS |
573 | int lbs_update_channel(struct lbs_private *priv) |
574 | { | |
575 | int ret; | |
576 | ||
577 | /* the channel in f/w could be out of sync; get the current channel */ | |
578 | lbs_deb_enter(LBS_DEB_ASSOC); | |
579 | ||
580 | ret = lbs_get_channel(priv); | |
581 | if (ret > 0) { | |
c14951fe | 582 | priv->channel = ret; |
73ab1f25 HS |
583 | ret = 0; |
584 | } | |
585 | lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret); | |
586 | return ret; | |
587 | } | |
588 | ||
2dd4b262 DW |
589 | /** |
590 | * @brief Set the radio channel | |
591 | * | |
592 | * @param priv A pointer to struct lbs_private structure | |
593 | * @param channel The desired channel, or 0 to clear a locked channel | |
594 | * | |
595 | * @return 0 on success, error on failure | |
596 | */ | |
597 | int lbs_set_channel(struct lbs_private *priv, u8 channel) | |
598 | { | |
599 | struct cmd_ds_802_11_rf_channel cmd; | |
96d46d5d | 600 | #ifdef DEBUG |
c14951fe | 601 | u8 old_channel = priv->channel; |
96d46d5d | 602 | #endif |
2dd4b262 DW |
603 | int ret = 0; |
604 | ||
605 | lbs_deb_enter(LBS_DEB_CMD); | |
606 | ||
8d0c7fad | 607 | memset(&cmd, 0, sizeof(cmd)); |
2dd4b262 DW |
608 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
609 | cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET); | |
610 | cmd.channel = cpu_to_le16(channel); | |
611 | ||
689442dc | 612 | ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd); |
2dd4b262 DW |
613 | if (ret) |
614 | goto out; | |
615 | ||
c14951fe | 616 | priv->channel = (uint8_t) le16_to_cpu(cmd.channel); |
cb182a60 | 617 | lbs_deb_cmd("channel switch from %d to %d\n", old_channel, |
c14951fe | 618 | priv->channel); |
2dd4b262 DW |
619 | |
620 | out: | |
621 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); | |
622 | return ret; | |
876c9d3a MT |
623 | } |
624 | ||
e98a88dd | 625 | static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr, |
876c9d3a MT |
626 | u8 cmd_action, void *pdata_buf) |
627 | { | |
10078321 | 628 | struct lbs_offset_value *offval; |
876c9d3a | 629 | |
9012b28a | 630 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 631 | |
10078321 | 632 | offval = (struct lbs_offset_value *)pdata_buf; |
876c9d3a | 633 | |
c2df2efe | 634 | switch (le16_to_cpu(cmdptr->command)) { |
0aef64d7 | 635 | case CMD_MAC_REG_ACCESS: |
876c9d3a MT |
636 | { |
637 | struct cmd_ds_mac_reg_access *macreg; | |
638 | ||
639 | cmdptr->size = | |
981f187b | 640 | cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access) |
8ec97cc8 | 641 | + sizeof(struct cmd_header)); |
876c9d3a MT |
642 | macreg = |
643 | (struct cmd_ds_mac_reg_access *)&cmdptr->params. | |
644 | macreg; | |
645 | ||
646 | macreg->action = cpu_to_le16(cmd_action); | |
647 | macreg->offset = cpu_to_le16((u16) offval->offset); | |
648 | macreg->value = cpu_to_le32(offval->value); | |
649 | ||
650 | break; | |
651 | } | |
652 | ||
0aef64d7 | 653 | case CMD_BBP_REG_ACCESS: |
876c9d3a MT |
654 | { |
655 | struct cmd_ds_bbp_reg_access *bbpreg; | |
656 | ||
657 | cmdptr->size = | |
658 | cpu_to_le16(sizeof | |
659 | (struct cmd_ds_bbp_reg_access) | |
8ec97cc8 | 660 | + sizeof(struct cmd_header)); |
876c9d3a MT |
661 | bbpreg = |
662 | (struct cmd_ds_bbp_reg_access *)&cmdptr->params. | |
663 | bbpreg; | |
664 | ||
665 | bbpreg->action = cpu_to_le16(cmd_action); | |
666 | bbpreg->offset = cpu_to_le16((u16) offval->offset); | |
667 | bbpreg->value = (u8) offval->value; | |
668 | ||
669 | break; | |
670 | } | |
671 | ||
0aef64d7 | 672 | case CMD_RF_REG_ACCESS: |
876c9d3a MT |
673 | { |
674 | struct cmd_ds_rf_reg_access *rfreg; | |
675 | ||
676 | cmdptr->size = | |
677 | cpu_to_le16(sizeof | |
678 | (struct cmd_ds_rf_reg_access) + | |
8ec97cc8 | 679 | sizeof(struct cmd_header)); |
876c9d3a MT |
680 | rfreg = |
681 | (struct cmd_ds_rf_reg_access *)&cmdptr->params. | |
682 | rfreg; | |
683 | ||
684 | rfreg->action = cpu_to_le16(cmd_action); | |
685 | rfreg->offset = cpu_to_le16((u16) offval->offset); | |
686 | rfreg->value = (u8) offval->value; | |
687 | ||
688 | break; | |
689 | } | |
690 | ||
691 | default: | |
692 | break; | |
693 | } | |
694 | ||
9012b28a | 695 | lbs_deb_leave(LBS_DEB_CMD); |
876c9d3a MT |
696 | return 0; |
697 | } | |
698 | ||
681ffbb7 DW |
699 | static void lbs_queue_cmd(struct lbs_private *priv, |
700 | struct cmd_ctrl_node *cmdnode) | |
876c9d3a MT |
701 | { |
702 | unsigned long flags; | |
681ffbb7 | 703 | int addtail = 1; |
876c9d3a | 704 | |
8ff12da1 | 705 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 706 | |
c4ab4127 DW |
707 | if (!cmdnode) { |
708 | lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n"); | |
876c9d3a MT |
709 | goto done; |
710 | } | |
d9896ee1 DW |
711 | if (!cmdnode->cmdbuf->size) { |
712 | lbs_deb_host("DNLD_CMD: cmd size is zero\n"); | |
713 | goto done; | |
714 | } | |
ae125bf8 | 715 | cmdnode->result = 0; |
876c9d3a MT |
716 | |
717 | /* Exit_PS command needs to be queued in the header always. */ | |
ddac4526 | 718 | if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) { |
38bfab1a | 719 | struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1]; |
ddac4526 | 720 | |
0aef64d7 | 721 | if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) { |
aa21c004 | 722 | if (priv->psstate != PS_STATE_FULL_POWER) |
876c9d3a MT |
723 | addtail = 0; |
724 | } | |
725 | } | |
726 | ||
aa21c004 | 727 | spin_lock_irqsave(&priv->driver_lock, flags); |
876c9d3a | 728 | |
ac47246e | 729 | if (addtail) |
aa21c004 | 730 | list_add_tail(&cmdnode->list, &priv->cmdpendingq); |
ac47246e | 731 | else |
aa21c004 | 732 | list_add(&cmdnode->list, &priv->cmdpendingq); |
876c9d3a | 733 | |
aa21c004 | 734 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a | 735 | |
8ff12da1 | 736 | lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n", |
c4ab4127 | 737 | le16_to_cpu(cmdnode->cmdbuf->command)); |
876c9d3a MT |
738 | |
739 | done: | |
8ff12da1 | 740 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
741 | } |
742 | ||
18c52e7c DW |
743 | static void lbs_submit_command(struct lbs_private *priv, |
744 | struct cmd_ctrl_node *cmdnode) | |
876c9d3a MT |
745 | { |
746 | unsigned long flags; | |
ddac4526 | 747 | struct cmd_header *cmd; |
18c52e7c DW |
748 | uint16_t cmdsize; |
749 | uint16_t command; | |
57962f0b | 750 | int timeo = 3 * HZ; |
18c52e7c | 751 | int ret; |
876c9d3a | 752 | |
8ff12da1 | 753 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 754 | |
ddac4526 | 755 | cmd = cmdnode->cmdbuf; |
876c9d3a | 756 | |
aa21c004 | 757 | spin_lock_irqsave(&priv->driver_lock, flags); |
aa21c004 DW |
758 | priv->cur_cmd = cmdnode; |
759 | priv->cur_cmd_retcode = 0; | |
760 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
876c9d3a | 761 | |
ddac4526 DW |
762 | cmdsize = le16_to_cpu(cmd->size); |
763 | command = le16_to_cpu(cmd->command); | |
876c9d3a | 764 | |
18c52e7c | 765 | /* These commands take longer */ |
be0d76e4 | 766 | if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE) |
57962f0b | 767 | timeo = 5 * HZ; |
18c52e7c | 768 | |
e5225b39 HS |
769 | lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n", |
770 | command, le16_to_cpu(cmd->seqnum), cmdsize); | |
1afc09ab | 771 | lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize); |
8ff12da1 | 772 | |
ddac4526 | 773 | ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize); |
18c52e7c | 774 | |
d9896ee1 DW |
775 | if (ret) { |
776 | lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret); | |
18c52e7c DW |
777 | /* Let the timer kick in and retry, and potentially reset |
778 | the whole thing if the condition persists */ | |
57962f0b | 779 | timeo = HZ/4; |
1afc09ab | 780 | } |
876c9d3a | 781 | |
49125454 AK |
782 | if (command == CMD_802_11_DEEP_SLEEP) { |
783 | if (priv->is_auto_deep_sleep_enabled) { | |
784 | priv->wakeup_dev_required = 1; | |
785 | priv->dnld_sent = 0; | |
786 | } | |
787 | priv->is_deep_sleep = 1; | |
788 | lbs_complete_command(priv, cmdnode, 0); | |
789 | } else { | |
790 | /* Setup the timer after transmit command */ | |
791 | mod_timer(&priv->command_timer, jiffies + timeo); | |
792 | } | |
876c9d3a | 793 | |
18c52e7c | 794 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
795 | } |
796 | ||
876c9d3a MT |
797 | /** |
798 | * This function inserts command node to cmdfreeq | |
aa21c004 | 799 | * after cleans it. Requires priv->driver_lock held. |
876c9d3a | 800 | */ |
183aeac1 | 801 | static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv, |
5ba2f8a0 | 802 | struct cmd_ctrl_node *cmdnode) |
876c9d3a | 803 | { |
5ba2f8a0 DW |
804 | lbs_deb_enter(LBS_DEB_HOST); |
805 | ||
806 | if (!cmdnode) | |
807 | goto out; | |
808 | ||
5ba2f8a0 DW |
809 | cmdnode->callback = NULL; |
810 | cmdnode->callback_arg = 0; | |
876c9d3a | 811 | |
5ba2f8a0 | 812 | memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE); |
876c9d3a | 813 | |
5ba2f8a0 DW |
814 | list_add_tail(&cmdnode->list, &priv->cmdfreeq); |
815 | out: | |
816 | lbs_deb_leave(LBS_DEB_HOST); | |
876c9d3a MT |
817 | } |
818 | ||
69f9032d HS |
819 | static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv, |
820 | struct cmd_ctrl_node *ptempcmd) | |
876c9d3a MT |
821 | { |
822 | unsigned long flags; | |
823 | ||
aa21c004 | 824 | spin_lock_irqsave(&priv->driver_lock, flags); |
10078321 | 825 | __lbs_cleanup_and_insert_cmd(priv, ptempcmd); |
aa21c004 | 826 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
827 | } |
828 | ||
183aeac1 DW |
829 | void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd, |
830 | int result) | |
831 | { | |
832 | if (cmd == priv->cur_cmd) | |
833 | priv->cur_cmd_retcode = result; | |
5ba2f8a0 | 834 | |
ae125bf8 | 835 | cmd->result = result; |
5ba2f8a0 DW |
836 | cmd->cmdwaitqwoken = 1; |
837 | wake_up_interruptible(&cmd->cmdwait_q); | |
838 | ||
8db4a2b9 | 839 | if (!cmd->callback || cmd->callback == lbs_cmd_async_callback) |
ad12d0f4 | 840 | __lbs_cleanup_and_insert_cmd(priv, cmd); |
183aeac1 DW |
841 | priv->cur_cmd = NULL; |
842 | } | |
843 | ||
d5db2dfa | 844 | int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on) |
876c9d3a | 845 | { |
a7c45890 | 846 | struct cmd_ds_802_11_radio_control cmd; |
d5db2dfa | 847 | int ret = -EINVAL; |
876c9d3a | 848 | |
9012b28a | 849 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 850 | |
a7c45890 DW |
851 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
852 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
853 | ||
d5db2dfa DW |
854 | /* Only v8 and below support setting the preamble */ |
855 | if (priv->fwrelease < 0x09000000) { | |
856 | switch (preamble) { | |
857 | case RADIO_PREAMBLE_SHORT: | |
858 | if (!(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) | |
859 | goto out; | |
860 | /* Fall through */ | |
861 | case RADIO_PREAMBLE_AUTO: | |
862 | case RADIO_PREAMBLE_LONG: | |
863 | cmd.control = cpu_to_le16(preamble); | |
864 | break; | |
865 | default: | |
866 | goto out; | |
867 | } | |
868 | } | |
a7c45890 | 869 | |
d5db2dfa DW |
870 | if (radio_on) |
871 | cmd.control |= cpu_to_le16(0x1); | |
872 | else { | |
873 | cmd.control &= cpu_to_le16(~0x1); | |
874 | priv->txpower_cur = 0; | |
a7c45890 | 875 | } |
876c9d3a | 876 | |
d5db2dfa DW |
877 | lbs_deb_cmd("RADIO_CONTROL: radio %s, preamble %d\n", |
878 | radio_on ? "ON" : "OFF", preamble); | |
a7c45890 | 879 | |
d5db2dfa | 880 | priv->radio_on = radio_on; |
a7c45890 DW |
881 | |
882 | ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd); | |
876c9d3a | 883 | |
d5db2dfa | 884 | out: |
9012b28a | 885 | lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); |
876c9d3a MT |
886 | return ret; |
887 | } | |
888 | ||
c97329e2 | 889 | void lbs_set_mac_control(struct lbs_private *priv) |
876c9d3a | 890 | { |
835d3ac5 | 891 | struct cmd_ds_mac_control cmd; |
876c9d3a | 892 | |
9012b28a | 893 | lbs_deb_enter(LBS_DEB_CMD); |
876c9d3a | 894 | |
835d3ac5 | 895 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
d9e9778c | 896 | cmd.action = cpu_to_le16(priv->mac_control); |
835d3ac5 HS |
897 | cmd.reserved = 0; |
898 | ||
75bf45a7 | 899 | lbs_cmd_async(priv, CMD_MAC_CONTROL, &cmd.hdr, sizeof(cmd)); |
876c9d3a | 900 | |
c97329e2 | 901 | lbs_deb_leave(LBS_DEB_CMD); |
876c9d3a MT |
902 | } |
903 | ||
904 | /** | |
905 | * @brief This function prepare the command before send to firmware. | |
906 | * | |
69f9032d | 907 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
908 | * @param cmd_no command number |
909 | * @param cmd_action command action: GET or SET | |
910 | * @param wait_option wait option: wait response or not | |
911 | * @param cmd_oid cmd oid: treated as sub command | |
912 | * @param pdata_buf A pointer to informaion buffer | |
913 | * @return 0 or -1 | |
914 | */ | |
69f9032d | 915 | int lbs_prepare_and_send_command(struct lbs_private *priv, |
876c9d3a MT |
916 | u16 cmd_no, |
917 | u16 cmd_action, | |
918 | u16 wait_option, u32 cmd_oid, void *pdata_buf) | |
919 | { | |
920 | int ret = 0; | |
876c9d3a MT |
921 | struct cmd_ctrl_node *cmdnode; |
922 | struct cmd_ds_command *cmdptr; | |
923 | unsigned long flags; | |
924 | ||
8ff12da1 | 925 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 926 | |
aa21c004 DW |
927 | if (!priv) { |
928 | lbs_deb_host("PREP_CMD: priv is NULL\n"); | |
876c9d3a MT |
929 | ret = -1; |
930 | goto done; | |
931 | } | |
932 | ||
aa21c004 | 933 | if (priv->surpriseremoved) { |
8ff12da1 | 934 | lbs_deb_host("PREP_CMD: card removed\n"); |
876c9d3a MT |
935 | ret = -1; |
936 | goto done; | |
937 | } | |
938 | ||
63f275df AK |
939 | if (!lbs_is_cmd_allowed(priv)) { |
940 | ret = -EBUSY; | |
941 | goto done; | |
942 | } | |
943 | ||
0d61d042 | 944 | cmdnode = lbs_get_cmd_ctrl_node(priv); |
876c9d3a MT |
945 | |
946 | if (cmdnode == NULL) { | |
8ff12da1 | 947 | lbs_deb_host("PREP_CMD: cmdnode is NULL\n"); |
876c9d3a MT |
948 | |
949 | /* Wake up main thread to execute next command */ | |
fe336150 | 950 | wake_up_interruptible(&priv->waitq); |
876c9d3a MT |
951 | ret = -1; |
952 | goto done; | |
953 | } | |
954 | ||
e98a88dd HS |
955 | cmdnode->callback = NULL; |
956 | cmdnode->callback_arg = (unsigned long)pdata_buf; | |
876c9d3a | 957 | |
ddac4526 | 958 | cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf; |
876c9d3a | 959 | |
8ff12da1 | 960 | lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no); |
876c9d3a | 961 | |
876c9d3a | 962 | /* Set sequence number, command and INT option */ |
aa21c004 DW |
963 | priv->seqnum++; |
964 | cmdptr->seqnum = cpu_to_le16(priv->seqnum); | |
876c9d3a | 965 | |
981f187b | 966 | cmdptr->command = cpu_to_le16(cmd_no); |
876c9d3a MT |
967 | cmdptr->result = 0; |
968 | ||
969 | switch (cmd_no) { | |
0aef64d7 | 970 | case CMD_802_11_PS_MODE: |
e98a88dd | 971 | ret = lbs_cmd_802_11_ps_mode(cmdptr, cmd_action); |
876c9d3a MT |
972 | break; |
973 | ||
0aef64d7 DW |
974 | case CMD_MAC_REG_ACCESS: |
975 | case CMD_BBP_REG_ACCESS: | |
976 | case CMD_RF_REG_ACCESS: | |
e98a88dd | 977 | ret = lbs_cmd_reg_access(cmdptr, cmd_action, pdata_buf); |
876c9d3a MT |
978 | break; |
979 | ||
965f8bbc | 980 | case CMD_802_11_MONITOR_MODE: |
e98a88dd | 981 | ret = lbs_cmd_802_11_monitor_mode(cmdptr, |
965f8bbc LCC |
982 | cmd_action, pdata_buf); |
983 | break; | |
984 | ||
0aef64d7 | 985 | case CMD_802_11_RSSI: |
10078321 | 986 | ret = lbs_cmd_802_11_rssi(priv, cmdptr); |
876c9d3a MT |
987 | break; |
988 | ||
0aef64d7 DW |
989 | case CMD_802_11_SET_AFC: |
990 | case CMD_802_11_GET_AFC: | |
876c9d3a MT |
991 | |
992 | cmdptr->command = cpu_to_le16(cmd_no); | |
981f187b | 993 | cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) + |
8ec97cc8 | 994 | sizeof(struct cmd_header)); |
876c9d3a MT |
995 | |
996 | memmove(&cmdptr->params.afc, | |
997 | pdata_buf, sizeof(struct cmd_ds_802_11_afc)); | |
998 | ||
999 | ret = 0; | |
1000 | goto done; | |
1001 | ||
0aef64d7 DW |
1002 | case CMD_802_11_TPC_CFG: |
1003 | cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG); | |
876c9d3a MT |
1004 | cmdptr->size = |
1005 | cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) + | |
8ec97cc8 | 1006 | sizeof(struct cmd_header)); |
876c9d3a MT |
1007 | |
1008 | memmove(&cmdptr->params.tpccfg, | |
1009 | pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg)); | |
1010 | ||
1011 | ret = 0; | |
1012 | break; | |
5844d12e | 1013 | |
0aef64d7 | 1014 | case CMD_BT_ACCESS: |
e98a88dd | 1015 | ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf); |
876c9d3a MT |
1016 | break; |
1017 | ||
0aef64d7 | 1018 | case CMD_FWT_ACCESS: |
e98a88dd | 1019 | ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf); |
876c9d3a MT |
1020 | break; |
1021 | ||
96287ac4 BD |
1022 | case CMD_802_11_BEACON_CTRL: |
1023 | ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action); | |
1024 | break; | |
49125454 AK |
1025 | case CMD_802_11_DEEP_SLEEP: |
1026 | cmdptr->command = cpu_to_le16(CMD_802_11_DEEP_SLEEP); | |
8ec97cc8 | 1027 | cmdptr->size = cpu_to_le16(sizeof(struct cmd_header)); |
49125454 | 1028 | break; |
876c9d3a | 1029 | default: |
e37fc6e1 | 1030 | lbs_pr_err("PREP_CMD: unknown command 0x%04x\n", cmd_no); |
876c9d3a MT |
1031 | ret = -1; |
1032 | break; | |
1033 | } | |
1034 | ||
1035 | /* return error, since the command preparation failed */ | |
1036 | if (ret != 0) { | |
8ff12da1 | 1037 | lbs_deb_host("PREP_CMD: command preparation failed\n"); |
10078321 | 1038 | lbs_cleanup_and_insert_cmd(priv, cmdnode); |
876c9d3a MT |
1039 | ret = -1; |
1040 | goto done; | |
1041 | } | |
1042 | ||
1043 | cmdnode->cmdwaitqwoken = 0; | |
1044 | ||
681ffbb7 | 1045 | lbs_queue_cmd(priv, cmdnode); |
fe336150 | 1046 | wake_up_interruptible(&priv->waitq); |
876c9d3a | 1047 | |
0aef64d7 | 1048 | if (wait_option & CMD_OPTION_WAITFORRSP) { |
8ff12da1 | 1049 | lbs_deb_host("PREP_CMD: wait for response\n"); |
876c9d3a MT |
1050 | might_sleep(); |
1051 | wait_event_interruptible(cmdnode->cmdwait_q, | |
1052 | cmdnode->cmdwaitqwoken); | |
1053 | } | |
1054 | ||
aa21c004 DW |
1055 | spin_lock_irqsave(&priv->driver_lock, flags); |
1056 | if (priv->cur_cmd_retcode) { | |
8ff12da1 | 1057 | lbs_deb_host("PREP_CMD: command failed with return code %d\n", |
aa21c004 DW |
1058 | priv->cur_cmd_retcode); |
1059 | priv->cur_cmd_retcode = 0; | |
876c9d3a MT |
1060 | ret = -1; |
1061 | } | |
aa21c004 | 1062 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1063 | |
1064 | done: | |
8ff12da1 | 1065 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); |
876c9d3a MT |
1066 | return ret; |
1067 | } | |
1068 | ||
1069 | /** | |
1070 | * @brief This function allocates the command buffer and link | |
1071 | * it to command free queue. | |
1072 | * | |
69f9032d | 1073 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1074 | * @return 0 or -1 |
1075 | */ | |
69f9032d | 1076 | int lbs_allocate_cmd_buffer(struct lbs_private *priv) |
876c9d3a MT |
1077 | { |
1078 | int ret = 0; | |
ddac4526 | 1079 | u32 bufsize; |
876c9d3a | 1080 | u32 i; |
ddac4526 | 1081 | struct cmd_ctrl_node *cmdarray; |
876c9d3a | 1082 | |
8ff12da1 | 1083 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 1084 | |
ddac4526 DW |
1085 | /* Allocate and initialize the command array */ |
1086 | bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS; | |
1087 | if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) { | |
8ff12da1 | 1088 | lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n"); |
876c9d3a MT |
1089 | ret = -1; |
1090 | goto done; | |
1091 | } | |
ddac4526 | 1092 | priv->cmd_array = cmdarray; |
876c9d3a | 1093 | |
ddac4526 DW |
1094 | /* Allocate and initialize each command buffer in the command array */ |
1095 | for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { | |
1096 | cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL); | |
1097 | if (!cmdarray[i].cmdbuf) { | |
8ff12da1 | 1098 | lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n"); |
876c9d3a MT |
1099 | ret = -1; |
1100 | goto done; | |
1101 | } | |
876c9d3a MT |
1102 | } |
1103 | ||
ddac4526 DW |
1104 | for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { |
1105 | init_waitqueue_head(&cmdarray[i].cmdwait_q); | |
1106 | lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]); | |
876c9d3a | 1107 | } |
876c9d3a | 1108 | ret = 0; |
9012b28a HS |
1109 | |
1110 | done: | |
8ff12da1 | 1111 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); |
876c9d3a MT |
1112 | return ret; |
1113 | } | |
1114 | ||
1115 | /** | |
1116 | * @brief This function frees the command buffer. | |
1117 | * | |
69f9032d | 1118 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1119 | * @return 0 or -1 |
1120 | */ | |
69f9032d | 1121 | int lbs_free_cmd_buffer(struct lbs_private *priv) |
876c9d3a | 1122 | { |
ddac4526 | 1123 | struct cmd_ctrl_node *cmdarray; |
876c9d3a | 1124 | unsigned int i; |
876c9d3a | 1125 | |
8ff12da1 | 1126 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a MT |
1127 | |
1128 | /* need to check if cmd array is allocated or not */ | |
aa21c004 | 1129 | if (priv->cmd_array == NULL) { |
8ff12da1 | 1130 | lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n"); |
876c9d3a MT |
1131 | goto done; |
1132 | } | |
1133 | ||
ddac4526 | 1134 | cmdarray = priv->cmd_array; |
876c9d3a MT |
1135 | |
1136 | /* Release shared memory buffers */ | |
ddac4526 DW |
1137 | for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { |
1138 | if (cmdarray[i].cmdbuf) { | |
1139 | kfree(cmdarray[i].cmdbuf); | |
1140 | cmdarray[i].cmdbuf = NULL; | |
876c9d3a MT |
1141 | } |
1142 | } | |
1143 | ||
1144 | /* Release cmd_ctrl_node */ | |
aa21c004 DW |
1145 | if (priv->cmd_array) { |
1146 | kfree(priv->cmd_array); | |
1147 | priv->cmd_array = NULL; | |
876c9d3a MT |
1148 | } |
1149 | ||
1150 | done: | |
8ff12da1 | 1151 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1152 | return 0; |
1153 | } | |
1154 | ||
1155 | /** | |
1156 | * @brief This function gets a free command node if available in | |
1157 | * command free queue. | |
1158 | * | |
69f9032d | 1159 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1160 | * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL |
1161 | */ | |
2fd6cfe3 | 1162 | static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv) |
876c9d3a MT |
1163 | { |
1164 | struct cmd_ctrl_node *tempnode; | |
876c9d3a MT |
1165 | unsigned long flags; |
1166 | ||
8ff12da1 HS |
1167 | lbs_deb_enter(LBS_DEB_HOST); |
1168 | ||
aa21c004 | 1169 | if (!priv) |
876c9d3a MT |
1170 | return NULL; |
1171 | ||
aa21c004 | 1172 | spin_lock_irqsave(&priv->driver_lock, flags); |
876c9d3a | 1173 | |
aa21c004 DW |
1174 | if (!list_empty(&priv->cmdfreeq)) { |
1175 | tempnode = list_first_entry(&priv->cmdfreeq, | |
abe3ed14 LZ |
1176 | struct cmd_ctrl_node, list); |
1177 | list_del(&tempnode->list); | |
876c9d3a | 1178 | } else { |
8ff12da1 | 1179 | lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n"); |
876c9d3a MT |
1180 | tempnode = NULL; |
1181 | } | |
1182 | ||
aa21c004 | 1183 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a | 1184 | |
8ff12da1 | 1185 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1186 | return tempnode; |
1187 | } | |
1188 | ||
876c9d3a MT |
1189 | /** |
1190 | * @brief This function executes next command in command | |
877d0310 | 1191 | * pending queue. It will put firmware back to PS mode |
876c9d3a MT |
1192 | * if applicable. |
1193 | * | |
69f9032d | 1194 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1195 | * @return 0 or -1 |
1196 | */ | |
69f9032d | 1197 | int lbs_execute_next_command(struct lbs_private *priv) |
876c9d3a | 1198 | { |
876c9d3a | 1199 | struct cmd_ctrl_node *cmdnode = NULL; |
ddac4526 | 1200 | struct cmd_header *cmd; |
876c9d3a MT |
1201 | unsigned long flags; |
1202 | int ret = 0; | |
1203 | ||
1afc09ab HS |
1204 | /* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the |
1205 | * only caller to us is lbs_thread() and we get even when a | |
1206 | * data packet is received */ | |
8ff12da1 | 1207 | lbs_deb_enter(LBS_DEB_THREAD); |
876c9d3a | 1208 | |
aa21c004 | 1209 | spin_lock_irqsave(&priv->driver_lock, flags); |
876c9d3a | 1210 | |
aa21c004 | 1211 | if (priv->cur_cmd) { |
8ff12da1 | 1212 | lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n"); |
aa21c004 | 1213 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1214 | ret = -1; |
1215 | goto done; | |
1216 | } | |
1217 | ||
aa21c004 DW |
1218 | if (!list_empty(&priv->cmdpendingq)) { |
1219 | cmdnode = list_first_entry(&priv->cmdpendingq, | |
abe3ed14 | 1220 | struct cmd_ctrl_node, list); |
876c9d3a MT |
1221 | } |
1222 | ||
aa21c004 | 1223 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1224 | |
1225 | if (cmdnode) { | |
ddac4526 | 1226 | cmd = cmdnode->cmdbuf; |
876c9d3a | 1227 | |
ddac4526 | 1228 | if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) { |
aa21c004 DW |
1229 | if ((priv->psstate == PS_STATE_SLEEP) || |
1230 | (priv->psstate == PS_STATE_PRE_SLEEP)) { | |
8ff12da1 HS |
1231 | lbs_deb_host( |
1232 | "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n", | |
ddac4526 | 1233 | le16_to_cpu(cmd->command), |
aa21c004 | 1234 | priv->psstate); |
876c9d3a MT |
1235 | ret = -1; |
1236 | goto done; | |
1237 | } | |
8ff12da1 | 1238 | lbs_deb_host("EXEC_NEXT_CMD: OK to send command " |
ddac4526 DW |
1239 | "0x%04x in psstate %d\n", |
1240 | le16_to_cpu(cmd->command), priv->psstate); | |
aa21c004 | 1241 | } else if (priv->psstate != PS_STATE_FULL_POWER) { |
876c9d3a MT |
1242 | /* |
1243 | * 1. Non-PS command: | |
1244 | * Queue it. set needtowakeup to TRUE if current state | |
10078321 | 1245 | * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS. |
876c9d3a MT |
1246 | * 2. PS command but not Exit_PS: |
1247 | * Ignore it. | |
1248 | * 3. PS command Exit_PS: | |
1249 | * Set needtowakeup to TRUE if current state is SLEEP, | |
1250 | * otherwise send this command down to firmware | |
1251 | * immediately. | |
1252 | */ | |
ddac4526 | 1253 | if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) { |
876c9d3a MT |
1254 | /* Prepare to send Exit PS, |
1255 | * this non PS command will be sent later */ | |
aa21c004 DW |
1256 | if ((priv->psstate == PS_STATE_SLEEP) |
1257 | || (priv->psstate == PS_STATE_PRE_SLEEP) | |
876c9d3a MT |
1258 | ) { |
1259 | /* w/ new scheme, it will not reach here. | |
1260 | since it is blocked in main_thread. */ | |
aa21c004 | 1261 | priv->needtowakeup = 1; |
876c9d3a | 1262 | } else |
10078321 | 1263 | lbs_ps_wakeup(priv, 0); |
876c9d3a MT |
1264 | |
1265 | ret = 0; | |
1266 | goto done; | |
1267 | } else { | |
1268 | /* | |
1269 | * PS command. Ignore it if it is not Exit_PS. | |
1270 | * otherwise send it down immediately. | |
1271 | */ | |
38bfab1a | 1272 | struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1]; |
876c9d3a | 1273 | |
8ff12da1 HS |
1274 | lbs_deb_host( |
1275 | "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n", | |
876c9d3a MT |
1276 | psm->action); |
1277 | if (psm->action != | |
0aef64d7 | 1278 | cpu_to_le16(CMD_SUBCMD_EXIT_PS)) { |
8ff12da1 HS |
1279 | lbs_deb_host( |
1280 | "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n"); | |
abe3ed14 | 1281 | list_del(&cmdnode->list); |
183aeac1 DW |
1282 | spin_lock_irqsave(&priv->driver_lock, flags); |
1283 | lbs_complete_command(priv, cmdnode, 0); | |
1284 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
876c9d3a MT |
1285 | |
1286 | ret = 0; | |
1287 | goto done; | |
1288 | } | |
1289 | ||
aa21c004 DW |
1290 | if ((priv->psstate == PS_STATE_SLEEP) || |
1291 | (priv->psstate == PS_STATE_PRE_SLEEP)) { | |
8ff12da1 HS |
1292 | lbs_deb_host( |
1293 | "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n"); | |
abe3ed14 | 1294 | list_del(&cmdnode->list); |
183aeac1 DW |
1295 | spin_lock_irqsave(&priv->driver_lock, flags); |
1296 | lbs_complete_command(priv, cmdnode, 0); | |
1297 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
aa21c004 | 1298 | priv->needtowakeup = 1; |
876c9d3a MT |
1299 | |
1300 | ret = 0; | |
1301 | goto done; | |
1302 | } | |
1303 | ||
8ff12da1 HS |
1304 | lbs_deb_host( |
1305 | "EXEC_NEXT_CMD: sending EXIT_PS\n"); | |
876c9d3a MT |
1306 | } |
1307 | } | |
abe3ed14 | 1308 | list_del(&cmdnode->list); |
8ff12da1 | 1309 | lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n", |
ddac4526 | 1310 | le16_to_cpu(cmd->command)); |
d9896ee1 | 1311 | lbs_submit_command(priv, cmdnode); |
876c9d3a MT |
1312 | } else { |
1313 | /* | |
1314 | * check if in power save mode, if yes, put the device back | |
1315 | * to PS mode | |
1316 | */ | |
aa21c004 DW |
1317 | if ((priv->psmode != LBS802_11POWERMODECAM) && |
1318 | (priv->psstate == PS_STATE_FULL_POWER) && | |
1319 | ((priv->connect_status == LBS_CONNECTED) || | |
1320 | (priv->mesh_connect_status == LBS_CONNECTED))) { | |
1321 | if (priv->secinfo.WPAenabled || | |
1322 | priv->secinfo.WPA2enabled) { | |
876c9d3a | 1323 | /* check for valid WPA group keys */ |
aa21c004 DW |
1324 | if (priv->wpa_mcast_key.len || |
1325 | priv->wpa_unicast_key.len) { | |
8ff12da1 | 1326 | lbs_deb_host( |
876c9d3a MT |
1327 | "EXEC_NEXT_CMD: WPA enabled and GTK_SET" |
1328 | " go back to PS_SLEEP"); | |
10078321 | 1329 | lbs_ps_sleep(priv, 0); |
876c9d3a MT |
1330 | } |
1331 | } else { | |
8ff12da1 HS |
1332 | lbs_deb_host( |
1333 | "EXEC_NEXT_CMD: cmdpendingq empty, " | |
1334 | "go back to PS_SLEEP"); | |
10078321 | 1335 | lbs_ps_sleep(priv, 0); |
876c9d3a MT |
1336 | } |
1337 | } | |
1338 | } | |
1339 | ||
1340 | ret = 0; | |
1341 | done: | |
8ff12da1 | 1342 | lbs_deb_leave(LBS_DEB_THREAD); |
876c9d3a MT |
1343 | return ret; |
1344 | } | |
1345 | ||
f539f2ef | 1346 | static void lbs_send_confirmsleep(struct lbs_private *priv) |
876c9d3a MT |
1347 | { |
1348 | unsigned long flags; | |
f539f2ef | 1349 | int ret; |
876c9d3a | 1350 | |
8ff12da1 | 1351 | lbs_deb_enter(LBS_DEB_HOST); |
f539f2ef HS |
1352 | lbs_deb_hex(LBS_DEB_HOST, "sleep confirm", (u8 *) &confirm_sleep, |
1353 | sizeof(confirm_sleep)); | |
876c9d3a | 1354 | |
f539f2ef HS |
1355 | ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep, |
1356 | sizeof(confirm_sleep)); | |
876c9d3a | 1357 | if (ret) { |
f539f2ef | 1358 | lbs_pr_alert("confirm_sleep failed\n"); |
7919b89c | 1359 | goto out; |
876c9d3a | 1360 | } |
7919b89c HS |
1361 | |
1362 | spin_lock_irqsave(&priv->driver_lock, flags); | |
1363 | ||
a01f5450 HS |
1364 | /* We don't get a response on the sleep-confirmation */ |
1365 | priv->dnld_sent = DNLD_RES_RECEIVED; | |
1366 | ||
7919b89c | 1367 | /* If nothing to do, go back to sleep (?) */ |
45465487 | 1368 | if (!__kfifo_len(&priv->event_fifo) && !priv->resp_len[priv->resp_idx]) |
7919b89c HS |
1369 | priv->psstate = PS_STATE_SLEEP; |
1370 | ||
1371 | spin_unlock_irqrestore(&priv->driver_lock, flags); | |
1372 | ||
1373 | out: | |
f539f2ef | 1374 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1375 | } |
1376 | ||
69f9032d | 1377 | void lbs_ps_sleep(struct lbs_private *priv, int wait_option) |
876c9d3a | 1378 | { |
8ff12da1 | 1379 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a MT |
1380 | |
1381 | /* | |
1382 | * PS is currently supported only in Infrastructure mode | |
1383 | * Remove this check if it is to be supported in IBSS mode also | |
1384 | */ | |
1385 | ||
10078321 | 1386 | lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE, |
0aef64d7 | 1387 | CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL); |
876c9d3a | 1388 | |
8ff12da1 | 1389 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1390 | } |
1391 | ||
1392 | /** | |
8ff12da1 | 1393 | * @brief This function sends Exit_PS command to firmware. |
876c9d3a | 1394 | * |
69f9032d | 1395 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1396 | * @param wait_option wait response or not |
1397 | * @return n/a | |
1398 | */ | |
69f9032d | 1399 | void lbs_ps_wakeup(struct lbs_private *priv, int wait_option) |
876c9d3a | 1400 | { |
981f187b | 1401 | __le32 Localpsmode; |
876c9d3a | 1402 | |
8ff12da1 | 1403 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 1404 | |
10078321 | 1405 | Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM); |
876c9d3a | 1406 | |
10078321 | 1407 | lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE, |
0aef64d7 | 1408 | CMD_SUBCMD_EXIT_PS, |
876c9d3a MT |
1409 | wait_option, 0, &Localpsmode); |
1410 | ||
8ff12da1 | 1411 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a MT |
1412 | } |
1413 | ||
1414 | /** | |
1415 | * @brief This function checks condition and prepares to | |
1416 | * send sleep confirm command to firmware if ok. | |
1417 | * | |
69f9032d | 1418 | * @param priv A pointer to struct lbs_private structure |
876c9d3a MT |
1419 | * @param psmode Power Saving mode |
1420 | * @return n/a | |
1421 | */ | |
d4ff0ef6 | 1422 | void lbs_ps_confirm_sleep(struct lbs_private *priv) |
876c9d3a MT |
1423 | { |
1424 | unsigned long flags =0; | |
d4ff0ef6 | 1425 | int allowed = 1; |
876c9d3a | 1426 | |
8ff12da1 | 1427 | lbs_deb_enter(LBS_DEB_HOST); |
876c9d3a | 1428 | |
a01f5450 | 1429 | spin_lock_irqsave(&priv->driver_lock, flags); |
634b8f49 | 1430 | if (priv->dnld_sent) { |
876c9d3a | 1431 | allowed = 0; |
23d36eec | 1432 | lbs_deb_host("dnld_sent was set\n"); |
876c9d3a MT |
1433 | } |
1434 | ||
7919b89c | 1435 | /* In-progress command? */ |
aa21c004 | 1436 | if (priv->cur_cmd) { |
876c9d3a | 1437 | allowed = 0; |
23d36eec | 1438 | lbs_deb_host("cur_cmd was set\n"); |
876c9d3a | 1439 | } |
7919b89c HS |
1440 | |
1441 | /* Pending events or command responses? */ | |
45465487 | 1442 | if (__kfifo_len(&priv->event_fifo) || priv->resp_len[priv->resp_idx]) { |
876c9d3a | 1443 | allowed = 0; |
7919b89c | 1444 | lbs_deb_host("pending events or command responses\n"); |
876c9d3a | 1445 | } |
aa21c004 | 1446 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
876c9d3a MT |
1447 | |
1448 | if (allowed) { | |
10078321 | 1449 | lbs_deb_host("sending lbs_ps_confirm_sleep\n"); |
f539f2ef | 1450 | lbs_send_confirmsleep(priv); |
876c9d3a | 1451 | } else { |
8ff12da1 | 1452 | lbs_deb_host("sleep confirm has been delayed\n"); |
876c9d3a MT |
1453 | } |
1454 | ||
8ff12da1 | 1455 | lbs_deb_leave(LBS_DEB_HOST); |
876c9d3a | 1456 | } |
675787e2 HS |
1457 | |
1458 | ||
0112c9e9 AN |
1459 | /** |
1460 | * @brief Configures the transmission power control functionality. | |
1461 | * | |
1462 | * @param priv A pointer to struct lbs_private structure | |
1463 | * @param enable Transmission power control enable | |
1464 | * @param p0 Power level when link quality is good (dBm). | |
1465 | * @param p1 Power level when link quality is fair (dBm). | |
1466 | * @param p2 Power level when link quality is poor (dBm). | |
1467 | * @param usesnr Use Signal to Noise Ratio in TPC | |
1468 | * | |
1469 | * @return 0 on success | |
1470 | */ | |
1471 | int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1, | |
1472 | int8_t p2, int usesnr) | |
1473 | { | |
1474 | struct cmd_ds_802_11_tpc_cfg cmd; | |
1475 | int ret; | |
1476 | ||
1477 | memset(&cmd, 0, sizeof(cmd)); | |
1478 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1479 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
1480 | cmd.enable = !!enable; | |
3ed6e080 | 1481 | cmd.usesnr = !!usesnr; |
0112c9e9 AN |
1482 | cmd.P0 = p0; |
1483 | cmd.P1 = p1; | |
1484 | cmd.P2 = p2; | |
1485 | ||
1486 | ret = lbs_cmd_with_response(priv, CMD_802_11_TPC_CFG, &cmd); | |
1487 | ||
1488 | return ret; | |
1489 | } | |
1490 | ||
1491 | /** | |
1492 | * @brief Configures the power adaptation settings. | |
1493 | * | |
1494 | * @param priv A pointer to struct lbs_private structure | |
1495 | * @param enable Power adaptation enable | |
1496 | * @param p0 Power level for 1, 2, 5.5 and 11 Mbps (dBm). | |
1497 | * @param p1 Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm). | |
1498 | * @param p2 Power level for 48 and 54 Mbps (dBm). | |
1499 | * | |
1500 | * @return 0 on Success | |
1501 | */ | |
1502 | ||
1503 | int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0, | |
1504 | int8_t p1, int8_t p2) | |
1505 | { | |
1506 | struct cmd_ds_802_11_pa_cfg cmd; | |
1507 | int ret; | |
1508 | ||
1509 | memset(&cmd, 0, sizeof(cmd)); | |
1510 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); | |
1511 | cmd.action = cpu_to_le16(CMD_ACT_SET); | |
1512 | cmd.enable = !!enable; | |
1513 | cmd.P0 = p0; | |
1514 | cmd.P1 = p1; | |
1515 | cmd.P2 = p2; | |
1516 | ||
1517 | ret = lbs_cmd_with_response(priv, CMD_802_11_PA_CFG , &cmd); | |
1518 | ||
1519 | return ret; | |
1520 | } | |
1521 | ||
1522 | ||
6d898b19 | 1523 | struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, |
8db4a2b9 HS |
1524 | uint16_t command, struct cmd_header *in_cmd, int in_cmd_size, |
1525 | int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *), | |
1526 | unsigned long callback_arg) | |
675787e2 | 1527 | { |
675787e2 | 1528 | struct cmd_ctrl_node *cmdnode; |
675787e2 HS |
1529 | |
1530 | lbs_deb_enter(LBS_DEB_HOST); | |
675787e2 | 1531 | |
aa21c004 | 1532 | if (priv->surpriseremoved) { |
675787e2 | 1533 | lbs_deb_host("PREP_CMD: card removed\n"); |
3399ea5f | 1534 | cmdnode = ERR_PTR(-ENOENT); |
675787e2 HS |
1535 | goto done; |
1536 | } | |
1537 | ||
63f275df AK |
1538 | if (!lbs_is_cmd_allowed(priv)) { |
1539 | cmdnode = ERR_PTR(-EBUSY); | |
1540 | goto done; | |
1541 | } | |
1542 | ||
675787e2 | 1543 | cmdnode = lbs_get_cmd_ctrl_node(priv); |
675787e2 HS |
1544 | if (cmdnode == NULL) { |
1545 | lbs_deb_host("PREP_CMD: cmdnode is NULL\n"); | |
1546 | ||
1547 | /* Wake up main thread to execute next command */ | |
1548 | wake_up_interruptible(&priv->waitq); | |
3399ea5f | 1549 | cmdnode = ERR_PTR(-ENOBUFS); |
675787e2 HS |
1550 | goto done; |
1551 | } | |
1552 | ||
448a51ae | 1553 | cmdnode->callback = callback; |
1309b55b | 1554 | cmdnode->callback_arg = callback_arg; |
675787e2 | 1555 | |
7ad994de | 1556 | /* Copy the incoming command to the buffer */ |
ddac4526 | 1557 | memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size); |
7ad994de | 1558 | |
675787e2 | 1559 | /* Set sequence number, clean result, move to buffer */ |
aa21c004 | 1560 | priv->seqnum++; |
ddac4526 DW |
1561 | cmdnode->cmdbuf->command = cpu_to_le16(command); |
1562 | cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size); | |
1563 | cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum); | |
1564 | cmdnode->cmdbuf->result = 0; | |
675787e2 HS |
1565 | |
1566 | lbs_deb_host("PREP_CMD: command 0x%04x\n", command); | |
1567 | ||
675787e2 | 1568 | cmdnode->cmdwaitqwoken = 0; |
681ffbb7 | 1569 | lbs_queue_cmd(priv, cmdnode); |
675787e2 HS |
1570 | wake_up_interruptible(&priv->waitq); |
1571 | ||
3399ea5f DW |
1572 | done: |
1573 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode); | |
1574 | return cmdnode; | |
1575 | } | |
1576 | ||
8db4a2b9 HS |
1577 | void lbs_cmd_async(struct lbs_private *priv, uint16_t command, |
1578 | struct cmd_header *in_cmd, int in_cmd_size) | |
1579 | { | |
1580 | lbs_deb_enter(LBS_DEB_CMD); | |
1581 | __lbs_cmd_async(priv, command, in_cmd, in_cmd_size, | |
1582 | lbs_cmd_async_callback, 0); | |
1583 | lbs_deb_leave(LBS_DEB_CMD); | |
1584 | } | |
1585 | ||
3399ea5f DW |
1586 | int __lbs_cmd(struct lbs_private *priv, uint16_t command, |
1587 | struct cmd_header *in_cmd, int in_cmd_size, | |
1588 | int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *), | |
1589 | unsigned long callback_arg) | |
1590 | { | |
1591 | struct cmd_ctrl_node *cmdnode; | |
1592 | unsigned long flags; | |
1593 | int ret = 0; | |
1594 | ||
1595 | lbs_deb_enter(LBS_DEB_HOST); | |
1596 | ||
1597 | cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size, | |
1598 | callback, callback_arg); | |
1599 | if (IS_ERR(cmdnode)) { | |
1600 | ret = PTR_ERR(cmdnode); | |
1601 | goto done; | |
1602 | } | |
1603 | ||
675787e2 HS |
1604 | might_sleep(); |
1605 | wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken); | |
1606 | ||
aa21c004 | 1607 | spin_lock_irqsave(&priv->driver_lock, flags); |
ae125bf8 DW |
1608 | ret = cmdnode->result; |
1609 | if (ret) | |
1610 | lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n", | |
1611 | command, ret); | |
3399ea5f | 1612 | |
ad12d0f4 | 1613 | __lbs_cleanup_and_insert_cmd(priv, cmdnode); |
aa21c004 | 1614 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
675787e2 HS |
1615 | |
1616 | done: | |
1617 | lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); | |
1618 | return ret; | |
1619 | } | |
14e865ba | 1620 | EXPORT_SYMBOL_GPL(__lbs_cmd); |