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[PATCH] libertas: fix more mixed-case abuse
[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / libertas / cmdresp.c
CommitLineData
876c9d3a
MT		 1/**
2 * This file contains the handling of command
3 * responses as well as events generated by firmware.
4 */
5#include <linux/delay.h>
6#include <linux/if_arp.h>
7#include <linux/netdevice.h>
8
9#include <net/iw_handler.h>
10
11#include "host.h"
876c9d3a
MT		 12#include "decl.h"
13#include "defs.h"
14#include "dev.h"
15#include "join.h"
16#include "wext.h"
17
18/**
19 * @brief This function handles disconnect event. it
20 * reports disconnect to upper layer, clean tx/rx packets,
21 * reset link state etc.
22 *
23 * @param priv A pointer to wlan_private structure
24 * @return n/a
25 */
26void libertas_mac_event_disconnected(wlan_private * priv)
27{
28 wlan_adapter *adapter = priv->adapter;
29 union iwreq_data wrqu;
30
0aef64d7 31 if (adapter->connect_status != LIBERTAS_CONNECTED)
876c9d3a
MT		 32 return;
33
9012b28a 34 lbs_deb_cmd("Handles disconnect event.\n");
876c9d3a
MT		 35
36 memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
37 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
38
39 /*
40 * Cisco AP sends EAP failure and de-auth in less than 0.5 ms.
41 * It causes problem in the Supplicant
42 */
43
44 msleep_interruptible(1000);
634b8f49 45 wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
876c9d3a
MT		 46
47 /* Free Tx and Rx packets */
48 kfree_skb(priv->adapter->currenttxskb);
49 priv->adapter->currenttxskb = NULL;
50
51 /* report disconnect to upper layer */
634b8f49
HS		 52 netif_stop_queue(priv->dev);
53 netif_carrier_off(priv->dev);
876c9d3a
MT		 54
55 /* reset SNR/NF/RSSI values */
56 memset(adapter->SNR, 0x00, sizeof(adapter->SNR));
57 memset(adapter->NF, 0x00, sizeof(adapter->NF));
58 memset(adapter->RSSI, 0x00, sizeof(adapter->RSSI));
59 memset(adapter->rawSNR, 0x00, sizeof(adapter->rawSNR));
60 memset(adapter->rawNF, 0x00, sizeof(adapter->rawNF));
61 adapter->nextSNRNF = 0;
62 adapter->numSNRNF = 0;
63 adapter->rxpd_rate = 0;
d8efea25
DW		 64 lbs_deb_cmd("Current SSID='%s', ssid length=%u\n",
65 escape_essid(adapter->curbssparams.ssid,
66 adapter->curbssparams.ssid_len),
67 adapter->curbssparams.ssid_len);
68 lbs_deb_cmd("Previous SSID='%s', ssid length=%u\n",
69 escape_essid(adapter->prev_ssid, adapter->prev_ssid_len),
70 adapter->prev_ssid_len);
876c9d3a 71
0aef64d7 72 adapter->connect_status = LIBERTAS_DISCONNECTED;
876c9d3a 73
e76850d6 74 /* Save previous SSID and BSSID for possible reassociation */
d8efea25
DW		 75 memcpy(&adapter->prev_ssid, &adapter->curbssparams.ssid,
76 IW_ESSID_MAX_SIZE);
77 adapter->prev_ssid_len = adapter->curbssparams.ssid_len;
78 memcpy(adapter->prev_bssid, adapter->curbssparams.bssid, ETH_ALEN);
876c9d3a 79
e76850d6
DW		 80 /* Clear out associated SSID and BSSID since connection is
81 * no longer valid.
82 */
83 memset(&adapter->curbssparams.bssid, 0, ETH_ALEN);
d8efea25
DW		 84 memset(&adapter->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
85 adapter->curbssparams.ssid_len = 0;
876c9d3a
MT		 86
87 if (adapter->psstate != PS_STATE_FULL_POWER) {
88 /* make firmware to exit PS mode */
9012b28a 89 lbs_deb_cmd("Disconnected, so exit PS mode.\n");
876c9d3a
MT		 90 libertas_ps_wakeup(priv, 0);
91 }
92}
93
94/**
95 * @brief This function handles MIC failure event.
96 *
97 * @param priv A pointer to wlan_private structure
98 * @para event the event id
99 * @return n/a
100 */
101static void handle_mic_failureevent(wlan_private * priv, u32 event)
102{
103 char buf[50];
104
105 memset(buf, 0, sizeof(buf));
106
107 sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
108
109 if (event == MACREG_INT_CODE_MIC_ERR_UNICAST) {
110 strcat(buf, "unicast ");
111 } else {
112 strcat(buf, "multicast ");
113 }
114
115 libertas_send_iwevcustom_event(priv, buf);
116}
117
118static int wlan_ret_reg_access(wlan_private * priv,
119 u16 type, struct cmd_ds_command *resp)
120{
9012b28a 121 int ret = 0;
876c9d3a
MT		 122 wlan_adapter *adapter = priv->adapter;
123
9012b28a 124 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 125
126 switch (type) {
0aef64d7 127 case CMD_RET_MAC_REG_ACCESS:
876c9d3a 128 {
981f187b 129 struct cmd_ds_mac_reg_access *reg = &resp->params.macreg;
876c9d3a 130
981f187b
DW		 131 adapter->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
132 adapter->offsetvalue.value = le32_to_cpu(reg->value);
876c9d3a
MT		 133 break;
134 }
135
0aef64d7 136 case CMD_RET_BBP_REG_ACCESS:
876c9d3a 137 {
981f187b 138 struct cmd_ds_bbp_reg_access *reg = &resp->params.bbpreg;
876c9d3a 139
981f187b 140 adapter->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
876c9d3a
MT		 141 adapter->offsetvalue.value = reg->value;
142 break;
143 }
144
0aef64d7 145 case CMD_RET_RF_REG_ACCESS:
876c9d3a 146 {
981f187b 147 struct cmd_ds_rf_reg_access *reg = &resp->params.rfreg;
876c9d3a 148
981f187b 149 adapter->offsetvalue.offset = (u32)le16_to_cpu(reg->offset);
876c9d3a
MT		 150 adapter->offsetvalue.value = reg->value;
151 break;
152 }
153
154 default:
9012b28a 155 ret = -1;
876c9d3a
MT		 156 }
157
9012b28a
HS		 158 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
159 return ret;
876c9d3a
MT		 160}
161
162static int wlan_ret_get_hw_spec(wlan_private * priv,
163 struct cmd_ds_command *resp)
164{
165 u32 i;
166 struct cmd_ds_get_hw_spec *hwspec = &resp->params.hwspec;
167 wlan_adapter *adapter = priv->adapter;
168 int ret = 0;
169
9012b28a 170 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 171
172 adapter->fwcapinfo = le32_to_cpu(hwspec->fwcapinfo);
173
e5b3d472 174 memcpy(adapter->fwreleasenumber, hwspec->fwreleasenumber, 4);
876c9d3a 175
e5b3d472
DW		 176 lbs_deb_cmd("GET_HW_SPEC: FWReleaseVersion- %u.%u.%u.p%u\n",
177 adapter->fwreleasenumber[2], adapter->fwreleasenumber[1],
178 adapter->fwreleasenumber[0], adapter->fwreleasenumber[3]);
9012b28a 179 lbs_deb_cmd("GET_HW_SPEC: Permanent addr- %2x:%2x:%2x:%2x:%2x:%2x\n",
876c9d3a
MT		 180 hwspec->permanentaddr[0], hwspec->permanentaddr[1],
181 hwspec->permanentaddr[2], hwspec->permanentaddr[3],
182 hwspec->permanentaddr[4], hwspec->permanentaddr[5]);
9012b28a 183 lbs_deb_cmd("GET_HW_SPEC: hwifversion=0x%X version=0x%X\n",
876c9d3a
MT		 184 hwspec->hwifversion, hwspec->version);
185
186 adapter->regioncode = le16_to_cpu(hwspec->regioncode);
187
188 for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) {
189 /* use the region code to search for the index */
190 if (adapter->regioncode == libertas_region_code_to_index[i]) {
191 adapter->regiontableindex = (u16) i;
192 break;
193 }
194 }
195
196 /* if it's unidentified region code, use the default (USA) */
197 if (i >= MRVDRV_MAX_REGION_CODE) {
198 adapter->regioncode = 0x10;
199 adapter->regiontableindex = 0;
981f187b 200 lbs_pr_info("unidentified region code; using the default (USA)\n");
876c9d3a
MT		 201 }
202
981f187b
DW		 203 if (adapter->current_addr[0] == 0xff)
204 memmove(adapter->current_addr, hwspec->permanentaddr, ETH_ALEN);
876c9d3a 205
634b8f49 206 memcpy(priv->dev->dev_addr, adapter->current_addr, ETH_ALEN);
78523daa 207 if (priv->mesh_dev)
981f187b 208 memcpy(priv->mesh_dev->dev_addr, adapter->current_addr, ETH_ALEN);
876c9d3a
MT		 209
210 if (libertas_set_regiontable(priv, adapter->regioncode, 0)) {
211 ret = -1;
212 goto done;
213 }
214
215 if (libertas_set_universaltable(priv, 0)) {
216 ret = -1;
217 goto done;
218 }
219
9012b28a
HS		 220done:
221 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
876c9d3a
MT		 222 return ret;
223}
224
225static int wlan_ret_802_11_sleep_params(wlan_private * priv,
226 struct cmd_ds_command *resp)
227{
228 struct cmd_ds_802_11_sleep_params *sp = &resp->params.sleep_params;
229 wlan_adapter *adapter = priv->adapter;
230
9012b28a 231 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a 232
9012b28a 233 lbs_deb_cmd("error=%x offset=%x stabletime=%x calcontrol=%x\n"
981f187b
DW		 234 " extsleepclk=%x\n", le16_to_cpu(sp->error),
235 le16_to_cpu(sp->offset), le16_to_cpu(sp->stabletime),
236 sp->calcontrol, sp->externalsleepclk);
237
876c9d3a
MT		 238 adapter->sp.sp_error = le16_to_cpu(sp->error);
239 adapter->sp.sp_offset = le16_to_cpu(sp->offset);
240 adapter->sp.sp_stabletime = le16_to_cpu(sp->stabletime);
981f187b
DW		 241 adapter->sp.sp_calcontrol = sp->calcontrol;
242 adapter->sp.sp_extsleepclk = sp->externalsleepclk;
876c9d3a
MT		 243 adapter->sp.sp_reserved = le16_to_cpu(sp->reserved);
244
9012b28a 245 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 246 return 0;
247}
248
249static int wlan_ret_802_11_stat(wlan_private * priv,
250 struct cmd_ds_command *resp)
251{
252/* currently adapter->wlan802_11Stat is unused
253
254 struct cmd_ds_802_11_get_stat *p11Stat = &resp->params.gstat;
255 wlan_adapter *adapter = priv->adapter;
256
257 // TODO Convert it to Big endian befor copy
258 memcpy(&adapter->wlan802_11Stat,
259 p11Stat, sizeof(struct cmd_ds_802_11_get_stat));
260*/
261 return 0;
262}
263
264static int wlan_ret_802_11_snmp_mib(wlan_private * priv,
265 struct cmd_ds_command *resp)
266{
267 struct cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
268 u16 oid = le16_to_cpu(smib->oid);
269 u16 querytype = le16_to_cpu(smib->querytype);
270
9012b28a 271 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a 272
9012b28a 273 lbs_deb_cmd("SNMP_RESP: value of the oid = %x, querytype=%x\n", oid,
876c9d3a 274 querytype);
981f187b 275 lbs_deb_cmd("SNMP_RESP: Buf size = %x\n", le16_to_cpu(smib->bufsize));
876c9d3a 276
0aef64d7 277 if (querytype == CMD_ACT_GET) {
876c9d3a 278 switch (oid) {
0aef64d7 279 case FRAGTHRESH_I:
876c9d3a 280 priv->adapter->fragthsd =
981f187b 281 le16_to_cpu(*((__le16 *)(smib->value)));
9012b28a 282 lbs_deb_cmd("SNMP_RESP: fragthsd =%u\n",
981f187b 283 priv->adapter->fragthsd);
876c9d3a 284 break;
0aef64d7 285 case RTSTHRESH_I:
876c9d3a 286 priv->adapter->rtsthsd =
981f187b 287 le16_to_cpu(*((__le16 *)(smib->value)));
9012b28a 288 lbs_deb_cmd("SNMP_RESP: rtsthsd =%u\n",
981f187b 289 priv->adapter->rtsthsd);
876c9d3a 290 break;
0aef64d7 291 case SHORT_RETRYLIM_I:
876c9d3a 292 priv->adapter->txretrycount =
981f187b 293 le16_to_cpu(*((__le16 *)(smib->value)));
9012b28a 294 lbs_deb_cmd("SNMP_RESP: txretrycount =%u\n",
981f187b 295 priv->adapter->rtsthsd);
876c9d3a
MT		 296 break;
297 default:
298 break;
299 }
300 }
301
9012b28a 302 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 303 return 0;
304}
305
306static int wlan_ret_802_11_key_material(wlan_private * priv,
307 struct cmd_ds_command *resp)
308{
309 struct cmd_ds_802_11_key_material *pkeymaterial =
310 &resp->params.keymaterial;
311 wlan_adapter *adapter = priv->adapter;
312 u16 action = le16_to_cpu(pkeymaterial->action);
313
9012b28a 314 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 315
316 /* Copy the returned key to driver private data */
0aef64d7 317 if (action == CMD_ACT_GET) {
876c9d3a
MT		 318 u8 * buf_ptr = (u8 *) &pkeymaterial->keyParamSet;
319 u8 * resp_end = (u8 *) (resp + le16_to_cpu(resp->size));
320
321 while (buf_ptr < resp_end) {
322 struct MrvlIEtype_keyParamSet * pkeyparamset =
323 (struct MrvlIEtype_keyParamSet *) buf_ptr;
1443b653 324 struct enc_key * pkey;
876c9d3a 325 u16 param_set_len = le16_to_cpu(pkeyparamset->length);
876c9d3a 326 u16 key_len = le16_to_cpu(pkeyparamset->keylen);
1443b653
DW		 327 u16 key_flags = le16_to_cpu(pkeyparamset->keyinfo);
328 u16 key_type = le16_to_cpu(pkeyparamset->keytypeid);
329 u8 * end;
876c9d3a
MT		 330
331 end = (u8 *) pkeyparamset + sizeof (pkeyparamset->type)
332 + sizeof (pkeyparamset->length)
333 + param_set_len;
334 /* Make sure we don't access past the end of the IEs */
335 if (end > resp_end)
336 break;
337
1443b653 338 if (key_flags & KEY_INFO_WPA_UNICAST)
876c9d3a 339 pkey = &adapter->wpa_unicast_key;
1443b653 340 else if (key_flags & KEY_INFO_WPA_MCAST)
876c9d3a
MT		 341 pkey = &adapter->wpa_mcast_key;
342 else
343 break;
344
345 /* Copy returned key into driver */
1443b653 346 memset(pkey, 0, sizeof(struct enc_key));
876c9d3a
MT		 347 if (key_len > sizeof(pkey->key))
348 break;
1443b653
DW		 349 pkey->type = key_type;
350 pkey->flags = key_flags;
351 pkey->len = key_len;
876c9d3a
MT		 352 memcpy(pkey->key, pkeyparamset->key, pkey->len);
353
354 buf_ptr = end + 1;
355 }
356 }
357
9012b28a 358 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 359 return 0;
360}
361
362static int wlan_ret_802_11_mac_address(wlan_private * priv,
363 struct cmd_ds_command *resp)
364{
365 struct cmd_ds_802_11_mac_address *macadd = &resp->params.macadd;
366 wlan_adapter *adapter = priv->adapter;
367
9012b28a 368 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 369
370 memcpy(adapter->current_addr, macadd->macadd, ETH_ALEN);
371
9012b28a 372 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 373 return 0;
374}
375
376static int wlan_ret_802_11_rf_tx_power(wlan_private * priv,
377 struct cmd_ds_command *resp)
378{
379 struct cmd_ds_802_11_rf_tx_power *rtp = &resp->params.txp;
380 wlan_adapter *adapter = priv->adapter;
381
9012b28a 382 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 383
384 adapter->txpowerlevel = le16_to_cpu(rtp->currentlevel);
385
9012b28a 386 lbs_deb_cmd("Current TxPower Level = %d\n", adapter->txpowerlevel);
876c9d3a 387
9012b28a 388 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 389 return 0;
390}
391
392static int wlan_ret_802_11_rf_antenna(wlan_private * priv,
393 struct cmd_ds_command *resp)
394{
395 struct cmd_ds_802_11_rf_antenna *pAntenna = &resp->params.rant;
396 wlan_adapter *adapter = priv->adapter;
397 u16 action = le16_to_cpu(pAntenna->action);
398
ffcae953 399 if (action == CMD_ACT_GET_RX)
981f187b 400 adapter->rxantennamode = le16_to_cpu(pAntenna->antennamode);
876c9d3a 401
ffcae953 402 if (action == CMD_ACT_GET_TX)
981f187b 403 adapter->txantennamode = le16_to_cpu(pAntenna->antennamode);
876c9d3a 404
9012b28a 405 lbs_deb_cmd("RF_ANT_RESP: action = 0x%x, mode = 0x%04x\n",
876c9d3a
MT		 406 action, le16_to_cpu(pAntenna->antennamode));
407
408 return 0;
409}
410
411static int wlan_ret_802_11_rate_adapt_rateset(wlan_private * priv,
412 struct cmd_ds_command *resp)
413{
981f187b 414 struct cmd_ds_802_11_rate_adapt_rateset *rates = &resp->params.rateset;
876c9d3a
MT		 415 wlan_adapter *adapter = priv->adapter;
416
9012b28a 417 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a 418
0aef64d7 419 if (rates->action == CMD_ACT_GET) {
981f187b
DW		 420 adapter->enablehwauto = le16_to_cpu(rates->enablehwauto);
421 adapter->ratebitmap = le16_to_cpu(rates->bitmap);
876c9d3a
MT		 422 }
423
9012b28a 424 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 425 return 0;
426}
427
428static int wlan_ret_802_11_data_rate(wlan_private * priv,
429 struct cmd_ds_command *resp)
430{
431 struct cmd_ds_802_11_data_rate *pdatarate = &resp->params.drate;
432 wlan_adapter *adapter = priv->adapter;
433 u8 dot11datarate;
434
9012b28a 435 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 436
437 lbs_dbg_hex("DATA_RATE_RESP: data_rate- ",
438 (u8 *) pdatarate, sizeof(struct cmd_ds_802_11_data_rate));
439
440 dot11datarate = pdatarate->datarate[0];
ffcae953 441 if (pdatarate->action == cpu_to_le16(CMD_ACT_GET_TX_RATE)) {
876c9d3a
MT		 442 memcpy(adapter->libertas_supported_rates, pdatarate->datarate,
443 sizeof(adapter->libertas_supported_rates));
444 }
445 adapter->datarate = libertas_index_to_data_rate(dot11datarate);
446
9012b28a 447 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 448 return 0;
449}
450
451static int wlan_ret_802_11_rf_channel(wlan_private * priv,
452 struct cmd_ds_command *resp)
453{
981f187b 454 struct cmd_ds_802_11_rf_channel *rfchannel = &resp->params.rfchannel;
876c9d3a
MT		 455 wlan_adapter *adapter = priv->adapter;
456 u16 action = le16_to_cpu(rfchannel->action);
457 u16 newchannel = le16_to_cpu(rfchannel->currentchannel);
458
9012b28a 459 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a 460
0aef64d7 461 if (action == CMD_OPT_802_11_RF_CHANNEL_GET
876c9d3a 462 && adapter->curbssparams.channel != newchannel) {
9012b28a 463 lbs_deb_cmd("channel Switch: %d to %d\n",
876c9d3a
MT		 464 adapter->curbssparams.channel, newchannel);
465
466 /* Update the channel again */
467 adapter->curbssparams.channel = newchannel;
468 }
469
9012b28a 470 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 471 return 0;
472}
473
474static int wlan_ret_802_11_rssi(wlan_private * priv,
475 struct cmd_ds_command *resp)
476{
477 struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
478 wlan_adapter *adapter = priv->adapter;
479
480 /* store the non average value */
481 adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
981f187b 482 adapter->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
876c9d3a
MT		 483
484 adapter->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
981f187b 485 adapter->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
876c9d3a
MT		 486
487 adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] =
488 CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG],
489 adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
490
491 adapter->RSSI[TYPE_BEACON][TYPE_AVG] =
492 CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
493 adapter->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
494
9012b28a 495 lbs_deb_cmd("Beacon RSSI value = 0x%x\n",
876c9d3a
MT		 496 adapter->RSSI[TYPE_BEACON][TYPE_AVG]);
497
498 return 0;
499}
500
501static int wlan_ret_802_11_eeprom_access(wlan_private * priv,
502 struct cmd_ds_command *resp)
503{
504 wlan_adapter *adapter = priv->adapter;
505 struct wlan_ioctl_regrdwr *pbuf;
506 pbuf = (struct wlan_ioctl_regrdwr *) adapter->prdeeprom;
507
9012b28a 508 lbs_deb_cmd("eeprom read len=%x\n",
876c9d3a
MT		 509 le16_to_cpu(resp->params.rdeeprom.bytecount));
510 if (pbuf->NOB < le16_to_cpu(resp->params.rdeeprom.bytecount)) {
511 pbuf->NOB = 0;
9012b28a 512 lbs_deb_cmd("eeprom read return length is too big\n");
876c9d3a
MT		 513 return -1;
514 }
515 pbuf->NOB = le16_to_cpu(resp->params.rdeeprom.bytecount);
516 if (pbuf->NOB > 0) {
517
518 memcpy(&pbuf->value, (u8 *) & resp->params.rdeeprom.value,
519 le16_to_cpu(resp->params.rdeeprom.bytecount));
520 lbs_dbg_hex("adapter", (char *)&pbuf->value,
521 le16_to_cpu(resp->params.rdeeprom.bytecount));
522 }
523 return 0;
524}
525
526static int wlan_ret_get_log(wlan_private * priv,
527 struct cmd_ds_command *resp)
528{
981f187b 529 struct cmd_ds_802_11_get_log *logmessage = &resp->params.glog;
876c9d3a
MT		 530 wlan_adapter *adapter = priv->adapter;
531
9012b28a 532 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a 533
981f187b
DW		 534 /* Stored little-endian */
535 memcpy(&adapter->logmsg, logmessage, sizeof(struct cmd_ds_802_11_get_log));
876c9d3a 536
9012b28a 537 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a
MT		 538 return 0;
539}
540
18c96c34
DW		 541static int libertas_ret_802_11_enable_rsn(wlan_private * priv,
542 struct cmd_ds_command *resp)
543{
544 struct cmd_ds_802_11_enable_rsn *enable_rsn = &resp->params.enbrsn;
545 wlan_adapter *adapter = priv->adapter;
546 u32 * pdata_buf = adapter->cur_cmd->pdata_buf;
547
548 lbs_deb_enter(LBS_DEB_CMD);
549
0aef64d7 550 if (enable_rsn->action == cpu_to_le16(CMD_ACT_GET)) {
18c96c34
DW		 551 if (pdata_buf)
552 *pdata_buf = (u32) le16_to_cpu(enable_rsn->enable);
553 }
554
555 lbs_deb_enter(LBS_DEB_CMD);
556 return 0;
557}
558
876c9d3a
MT		 559static inline int handle_cmd_response(u16 respcmd,
560 struct cmd_ds_command *resp,
561 wlan_private *priv)
562{
563 int ret = 0;
564 unsigned long flags;
565 wlan_adapter *adapter = priv->adapter;
566
567 switch (respcmd) {
0aef64d7
DW		 568 case CMD_RET_MAC_REG_ACCESS:
569 case CMD_RET_BBP_REG_ACCESS:
570 case CMD_RET_RF_REG_ACCESS:
876c9d3a
MT		 571 ret = wlan_ret_reg_access(priv, respcmd, resp);
572 break;
573
0aef64d7 574 case CMD_RET_HW_SPEC_INFO:
876c9d3a
MT		 575 ret = wlan_ret_get_hw_spec(priv, resp);
576 break;
577
0aef64d7 578 case CMD_RET_802_11_SCAN:
876c9d3a
MT		 579 ret = libertas_ret_80211_scan(priv, resp);
580 break;
581
0aef64d7 582 case CMD_RET_802_11_GET_LOG:
876c9d3a
MT		 583 ret = wlan_ret_get_log(priv, resp);
584 break;
585
0aef64d7
DW		 586 case CMD_RET_802_11_ASSOCIATE:
587 case CMD_RET_802_11_REASSOCIATE:
876c9d3a
MT		 588 ret = libertas_ret_80211_associate(priv, resp);
589 break;
590
0aef64d7
DW		 591 case CMD_RET_802_11_DISASSOCIATE:
592 case CMD_RET_802_11_DEAUTHENTICATE:
876c9d3a
MT		 593 ret = libertas_ret_80211_disassociate(priv, resp);
594 break;
595
0aef64d7
DW		 596 case CMD_RET_802_11_AD_HOC_START:
597 case CMD_RET_802_11_AD_HOC_JOIN:
876c9d3a
MT		 598 ret = libertas_ret_80211_ad_hoc_start(priv, resp);
599 break;
600
0aef64d7 601 case CMD_RET_802_11_STAT:
876c9d3a
MT		 602 ret = wlan_ret_802_11_stat(priv, resp);
603 break;
604
0aef64d7 605 case CMD_RET_802_11_SNMP_MIB:
876c9d3a
MT		 606 ret = wlan_ret_802_11_snmp_mib(priv, resp);
607 break;
608
0aef64d7 609 case CMD_RET_802_11_RF_TX_POWER:
876c9d3a
MT		 610 ret = wlan_ret_802_11_rf_tx_power(priv, resp);
611 break;
612
0aef64d7
DW		 613 case CMD_RET_802_11_SET_AFC:
614 case CMD_RET_802_11_GET_AFC:
876c9d3a 615 spin_lock_irqsave(&adapter->driver_lock, flags);
981f187b 616 memmove(adapter->cur_cmd->pdata_buf, &resp->params.afc,
876c9d3a
MT		 617 sizeof(struct cmd_ds_802_11_afc));
618 spin_unlock_irqrestore(&adapter->driver_lock, flags);
619
620 break;
0aef64d7 621 case CMD_RET_802_11_RF_ANTENNA:
876c9d3a
MT		 622 ret = wlan_ret_802_11_rf_antenna(priv, resp);
623 break;
624
0aef64d7
DW		 625 case CMD_RET_MAC_MULTICAST_ADR:
626 case CMD_RET_MAC_CONTROL:
627 case CMD_RET_802_11_SET_WEP:
628 case CMD_RET_802_11_RESET:
629 case CMD_RET_802_11_AUTHENTICATE:
630 case CMD_RET_802_11_RADIO_CONTROL:
631 case CMD_RET_802_11_BEACON_STOP:
18c96c34
DW		 632 break;
633
0aef64d7 634 case CMD_RET_802_11_ENABLE_RSN:
18c96c34 635 ret = libertas_ret_802_11_enable_rsn(priv, resp);
876c9d3a
MT		 636 break;
637
0aef64d7 638 case CMD_RET_802_11_DATA_RATE:
876c9d3a
MT		 639 ret = wlan_ret_802_11_data_rate(priv, resp);
640 break;
0aef64d7 641 case CMD_RET_802_11_RATE_ADAPT_RATESET:
876c9d3a
MT		 642 ret = wlan_ret_802_11_rate_adapt_rateset(priv, resp);
643 break;
0aef64d7 644 case CMD_RET_802_11_RF_CHANNEL:
876c9d3a
MT		 645 ret = wlan_ret_802_11_rf_channel(priv, resp);
646 break;
647
0aef64d7 648 case CMD_RET_802_11_RSSI:
876c9d3a
MT		 649 ret = wlan_ret_802_11_rssi(priv, resp);
650 break;
651
0aef64d7 652 case CMD_RET_802_11_MAC_ADDRESS:
876c9d3a
MT		 653 ret = wlan_ret_802_11_mac_address(priv, resp);
654 break;
655
0aef64d7 656 case CMD_RET_802_11_AD_HOC_STOP:
876c9d3a
MT		 657 ret = libertas_ret_80211_ad_hoc_stop(priv, resp);
658 break;
659
0aef64d7 660 case CMD_RET_802_11_KEY_MATERIAL:
9012b28a 661 lbs_deb_cmd("CMD_RESP: KEY_MATERIAL command response\n");
876c9d3a
MT		 662 ret = wlan_ret_802_11_key_material(priv, resp);
663 break;
664
0aef64d7 665 case CMD_RET_802_11_EEPROM_ACCESS:
876c9d3a
MT		 666 ret = wlan_ret_802_11_eeprom_access(priv, resp);
667 break;
668
0aef64d7 669 case CMD_RET_802_11D_DOMAIN_INFO:
876c9d3a
MT		 670 ret = libertas_ret_802_11d_domain_info(priv, resp);
671 break;
672
0aef64d7 673 case CMD_RET_802_11_SLEEP_PARAMS:
876c9d3a
MT		 674 ret = wlan_ret_802_11_sleep_params(priv, resp);
675 break;
0aef64d7 676 case CMD_RET_802_11_INACTIVITY_TIMEOUT:
876c9d3a
MT		 677 spin_lock_irqsave(&adapter->driver_lock, flags);
678 *((u16 *) adapter->cur_cmd->pdata_buf) =
679 le16_to_cpu(resp->params.inactivity_timeout.timeout);
680 spin_unlock_irqrestore(&adapter->driver_lock, flags);
681 break;
682
0aef64d7 683 case CMD_RET_802_11_TPC_CFG:
876c9d3a 684 spin_lock_irqsave(&adapter->driver_lock, flags);
981f187b 685 memmove(adapter->cur_cmd->pdata_buf, &resp->params.tpccfg,
876c9d3a
MT		 686 sizeof(struct cmd_ds_802_11_tpc_cfg));
687 spin_unlock_irqrestore(&adapter->driver_lock, flags);
688 break;
0aef64d7 689 case CMD_RET_802_11_LED_GPIO_CTRL:
876c9d3a 690 spin_lock_irqsave(&adapter->driver_lock, flags);
981f187b 691 memmove(adapter->cur_cmd->pdata_buf, &resp->params.ledgpio,
876c9d3a
MT		 692 sizeof(struct cmd_ds_802_11_led_ctrl));
693 spin_unlock_irqrestore(&adapter->driver_lock, flags);
694 break;
0aef64d7 695 case CMD_RET_802_11_PWR_CFG:
876c9d3a 696 spin_lock_irqsave(&adapter->driver_lock, flags);
981f187b 697 memmove(adapter->cur_cmd->pdata_buf, &resp->params.pwrcfg,
876c9d3a
MT		 698 sizeof(struct cmd_ds_802_11_pwr_cfg));
699 spin_unlock_irqrestore(&adapter->driver_lock, flags);
700
701 break;
702
0aef64d7 703 case CMD_RET_GET_TSF:
876c9d3a
MT		 704 spin_lock_irqsave(&adapter->driver_lock, flags);
705 memcpy(priv->adapter->cur_cmd->pdata_buf,
706 &resp->params.gettsf.tsfvalue, sizeof(u64));
707 spin_unlock_irqrestore(&adapter->driver_lock, flags);
708 break;
0aef64d7 709 case CMD_RET_BT_ACCESS:
876c9d3a
MT		 710 spin_lock_irqsave(&adapter->driver_lock, flags);
711 if (adapter->cur_cmd->pdata_buf)
712 memcpy(adapter->cur_cmd->pdata_buf,
713 &resp->params.bt.addr1, 2 * ETH_ALEN);
714 spin_unlock_irqrestore(&adapter->driver_lock, flags);
715 break;
0aef64d7 716 case CMD_RET_FWT_ACCESS:
876c9d3a
MT		 717 spin_lock_irqsave(&adapter->driver_lock, flags);
718 if (adapter->cur_cmd->pdata_buf)
981f187b
DW		 719 memcpy(adapter->cur_cmd->pdata_buf, &resp->params.fwt,
720 sizeof(resp->params.fwt));
876c9d3a
MT		 721 spin_unlock_irqrestore(&adapter->driver_lock, flags);
722 break;
0aef64d7 723 case CMD_RET_MESH_ACCESS:
876c9d3a 724 if (adapter->cur_cmd->pdata_buf)
981f187b 725 memcpy(adapter->cur_cmd->pdata_buf, &resp->params.mesh,
876c9d3a
MT		 726 sizeof(resp->params.mesh));
727 break;
0aef64d7 728 case CMD_RTE_802_11_TX_RATE_QUERY:
876c9d3a
MT		 729 priv->adapter->txrate = resp->params.txrate.txrate;
730 break;
731 default:
9012b28a 732 lbs_deb_cmd("CMD_RESP: Unknown command response %#x\n",
981f187b 733 resp->command);
876c9d3a
MT		 734 break;
735 }
736 return ret;
737}
738
739int libertas_process_rx_command(wlan_private * priv)
740{
741 u16 respcmd;
742 struct cmd_ds_command *resp;
743 wlan_adapter *adapter = priv->adapter;
744 int ret = 0;
745 ulong flags;
746 u16 result;
747
9012b28a 748 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a 749
9012b28a 750 lbs_deb_cmd("CMD_RESP: @ %lu\n", jiffies);
876c9d3a
MT		 751
752 /* Now we got response from FW, cancel the command timer */
753 del_timer(&adapter->command_timer);
754
755 mutex_lock(&adapter->lock);
756 spin_lock_irqsave(&adapter->driver_lock, flags);
757
758 if (!adapter->cur_cmd) {
9012b28a 759 lbs_deb_cmd("CMD_RESP: NULL cur_cmd=%p\n", adapter->cur_cmd);
876c9d3a
MT		 760 ret = -1;
761 spin_unlock_irqrestore(&adapter->driver_lock, flags);
762 goto done;
763 }
764 resp = (struct cmd_ds_command *)(adapter->cur_cmd->bufvirtualaddr);
765
766 lbs_dbg_hex("CMD_RESP:", adapter->cur_cmd->bufvirtualaddr,
981f187b 767 priv->upld_len);
876c9d3a
MT		 768
769 respcmd = le16_to_cpu(resp->command);
770
771 result = le16_to_cpu(resp->result);
772
9012b28a 773 lbs_deb_cmd("CMD_RESP: %x result: %d length: %d\n", respcmd,
981f187b 774 result, priv->upld_len);
876c9d3a
MT		 775
776 if (!(respcmd & 0x8000)) {
9012b28a 777 lbs_deb_cmd("Invalid response to command!");
876c9d3a
MT		 778 adapter->cur_cmd_retcode = -1;
779 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
780 adapter->nr_cmd_pending--;
781 adapter->cur_cmd = NULL;
782 spin_unlock_irqrestore(&adapter->driver_lock, flags);
783 ret = -1;
784 goto done;
785 }
786
787 /* Store the response code to cur_cmd_retcode. */
981f187b 788 adapter->cur_cmd_retcode = result;;
876c9d3a 789
0aef64d7 790 if (respcmd == CMD_RET_802_11_PS_MODE) {
981f187b
DW		 791 struct cmd_ds_802_11_ps_mode *psmode = &resp->params.psmode;
792 u16 action = le16_to_cpu(psmode->action);
876c9d3a 793
9012b28a 794 lbs_deb_cmd(
876c9d3a 795 "CMD_RESP: PS_MODE cmd reply result=%#x action=0x%X\n",
981f187b 796 result, action);
876c9d3a
MT		 797
798 if (result) {
9012b28a 799 lbs_deb_cmd("CMD_RESP: PS command failed- %#x \n",
981f187b
DW		 800 result);
801 /*
802 * We should not re-try enter-ps command in
803 * ad-hoc mode. It takes place in
804 * libertas_execute_next_command().
805 */
806 if (adapter->mode == IW_MODE_ADHOC &&
0aef64d7
DW		 807 action == CMD_SUBCMD_ENTER_PS)
808 adapter->psmode = WLAN802_11POWERMODECAM;
809 } else if (action == CMD_SUBCMD_ENTER_PS) {
876c9d3a
MT		 810 adapter->needtowakeup = 0;
811 adapter->psstate = PS_STATE_AWAKE;
812
9012b28a 813 lbs_deb_cmd("CMD_RESP: Enter_PS command response\n");
0aef64d7 814 if (adapter->connect_status != LIBERTAS_CONNECTED) {
876c9d3a
MT		 815 /*
816 * When Deauth Event received before Enter_PS command
817 * response, We need to wake up the firmware.
818 */
9012b28a 819 lbs_deb_cmd(
876c9d3a
MT		 820 "Disconnected, Going to invoke libertas_ps_wakeup\n");
821
876c9d3a 822 spin_unlock_irqrestore(&adapter->driver_lock, flags);
6cfb0082 823 mutex_unlock(&adapter->lock);
876c9d3a
MT		 824 libertas_ps_wakeup(priv, 0);
825 mutex_lock(&adapter->lock);
826 spin_lock_irqsave(&adapter->driver_lock, flags);
827 }
0aef64d7 828 } else if (action == CMD_SUBCMD_EXIT_PS) {
876c9d3a
MT		 829 adapter->needtowakeup = 0;
830 adapter->psstate = PS_STATE_FULL_POWER;
9012b28a 831 lbs_deb_cmd("CMD_RESP: Exit_PS command response\n");
876c9d3a 832 } else {
981f187b 833 lbs_deb_cmd("CMD_RESP: PS- action=0x%X\n", action);
876c9d3a
MT		 834 }
835
836 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
837 adapter->nr_cmd_pending--;
838 adapter->cur_cmd = NULL;
839 spin_unlock_irqrestore(&adapter->driver_lock, flags);
840
841 ret = 0;
842 goto done;
843 }
844
845 if (adapter->cur_cmd->cmdflags & CMD_F_HOSTCMD) {
846 /* Copy the response back to response buffer */
847 memcpy(adapter->cur_cmd->pdata_buf, resp, resp->size);
848
849 adapter->cur_cmd->cmdflags &= ~CMD_F_HOSTCMD;
850 }
851
852 /* If the command is not successful, cleanup and return failure */
853 if ((result != 0 || !(respcmd & 0x8000))) {
9012b28a 854 lbs_deb_cmd("CMD_RESP: command reply %#x result=%#x\n",
981f187b 855 respcmd, result);
876c9d3a
MT		 856 /*
857 * Handling errors here
858 */
859 switch (respcmd) {
0aef64d7
DW		 860 case CMD_RET_HW_SPEC_INFO:
861 case CMD_RET_802_11_RESET:
9012b28a 862 lbs_deb_cmd("CMD_RESP: Reset command failed\n");
876c9d3a
MT		 863 break;
864
865 }
866
867 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
868 adapter->nr_cmd_pending--;
869 adapter->cur_cmd = NULL;
870 spin_unlock_irqrestore(&adapter->driver_lock, flags);
871
872 ret = -1;
873 goto done;
874 }
875
876 spin_unlock_irqrestore(&adapter->driver_lock, flags);
877
878 ret = handle_cmd_response(respcmd, resp, priv);
879
880 spin_lock_irqsave(&adapter->driver_lock, flags);
881 if (adapter->cur_cmd) {
882 /* Clean up and Put current command back to cmdfreeq */
883 __libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
884 adapter->nr_cmd_pending--;
885 WARN_ON(adapter->nr_cmd_pending > 128);
886 adapter->cur_cmd = NULL;
887 }
888 spin_unlock_irqrestore(&adapter->driver_lock, flags);
889
890done:
891 mutex_unlock(&adapter->lock);
9012b28a 892 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
876c9d3a
MT		 893 return ret;
894}
895
896int libertas_process_event(wlan_private * priv)
897{
898 int ret = 0;
899 wlan_adapter *adapter = priv->adapter;
900 u32 eventcause;
901
902 spin_lock_irq(&adapter->driver_lock);
903 eventcause = adapter->eventcause;
904 spin_unlock_irq(&adapter->driver_lock);
905
9012b28a 906 lbs_deb_enter(LBS_DEB_CMD);
876c9d3a 907
9012b28a 908 lbs_deb_cmd("EVENT Cause %x\n", eventcause);
876c9d3a
MT		 909
910 switch (eventcause >> SBI_EVENT_CAUSE_SHIFT) {
911 case MACREG_INT_CODE_LINK_SENSED:
9012b28a 912 lbs_deb_cmd("EVENT: MACREG_INT_CODE_LINK_SENSED\n");
876c9d3a
MT		 913 break;
914
915 case MACREG_INT_CODE_DEAUTHENTICATED:
9012b28a 916 lbs_deb_cmd("EVENT: Deauthenticated\n");
876c9d3a
MT		 917 libertas_mac_event_disconnected(priv);
918 break;
919
920 case MACREG_INT_CODE_DISASSOCIATED:
9012b28a 921 lbs_deb_cmd("EVENT: Disassociated\n");
876c9d3a
MT		 922 libertas_mac_event_disconnected(priv);
923 break;
924
925 case MACREG_INT_CODE_LINK_LOSE_NO_SCAN:
9012b28a 926 lbs_deb_cmd("EVENT: Link lost\n");
876c9d3a
MT		 927 libertas_mac_event_disconnected(priv);
928 break;
929
930 case MACREG_INT_CODE_PS_SLEEP:
9012b28a
HS		 931 lbs_deb_cmd("EVENT: SLEEP\n");
932 lbs_deb_cmd("_");
876c9d3a
MT		 933
934 /* handle unexpected PS SLEEP event */
935 if (adapter->psstate == PS_STATE_FULL_POWER) {
9012b28a 936 lbs_deb_cmd(
876c9d3a
MT		 937 "EVENT: In FULL POWER mode - ignore PS SLEEP\n");
938 break;
939 }
940 adapter->psstate = PS_STATE_PRE_SLEEP;
941
942 libertas_ps_confirm_sleep(priv, (u16) adapter->psmode);
943
944 break;
945
946 case MACREG_INT_CODE_PS_AWAKE:
9012b28a
HS		 947 lbs_deb_cmd("EVENT: AWAKE \n");
948 lbs_deb_cmd("|");
876c9d3a
MT		 949
950 /* handle unexpected PS AWAKE event */
951 if (adapter->psstate == PS_STATE_FULL_POWER) {
9012b28a 952 lbs_deb_cmd(
876c9d3a
MT		 953 "EVENT: In FULL POWER mode - ignore PS AWAKE\n");
954 break;
955 }
956
957 adapter->psstate = PS_STATE_AWAKE;
958
959 if (adapter->needtowakeup) {
960 /*
961 * wait for the command processing to finish
962 * before resuming sending
963 * adapter->needtowakeup will be set to FALSE
964 * in libertas_ps_wakeup()
965 */
9012b28a 966 lbs_deb_cmd("Waking up...\n");
876c9d3a
MT		 967 libertas_ps_wakeup(priv, 0);
968 }
969 break;
970
971 case MACREG_INT_CODE_MIC_ERR_UNICAST:
9012b28a 972 lbs_deb_cmd("EVENT: UNICAST MIC ERROR\n");
876c9d3a
MT		 973 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_UNICAST);
974 break;
975
976 case MACREG_INT_CODE_MIC_ERR_MULTICAST:
9012b28a 977 lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
876c9d3a
MT		 978 handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
979 break;
980 case MACREG_INT_CODE_MIB_CHANGED:
981 case MACREG_INT_CODE_INIT_DONE:
982 break;
983
984 case MACREG_INT_CODE_ADHOC_BCN_LOST:
9012b28a 985 lbs_deb_cmd("EVENT: HWAC - ADHOC BCN LOST\n");
876c9d3a
MT		 986 break;
987
988 case MACREG_INT_CODE_RSSI_LOW:
989 lbs_pr_alert( "EVENT: RSSI_LOW\n");
990 break;
991 case MACREG_INT_CODE_SNR_LOW:
992 lbs_pr_alert( "EVENT: SNR_LOW\n");
993 break;
994 case MACREG_INT_CODE_MAX_FAIL:
995 lbs_pr_alert( "EVENT: MAX_FAIL\n");
996 break;
997 case MACREG_INT_CODE_RSSI_HIGH:
998 lbs_pr_alert( "EVENT: RSSI_HIGH\n");
999 break;
1000 case MACREG_INT_CODE_SNR_HIGH:
1001 lbs_pr_alert( "EVENT: SNR_HIGH\n");
1002 break;
1003
7d8d28b3
LCCR		 1004 case MACREG_INT_CODE_MESH_AUTO_STARTED:
1005 lbs_pr_alert( "EVENT: MESH_AUTO_STARTED\n");
0aef64d7 1006 adapter->connect_status = LIBERTAS_CONNECTED ;
7d8d28b3
LCCR		 1007 if (priv->mesh_open == 1) {
1008 netif_wake_queue(priv->mesh_dev) ;
1009 netif_carrier_on(priv->mesh_dev) ;
1010 }
1011 adapter->mode = IW_MODE_ADHOC ;
b8bedefd 1012 schedule_work(&priv->sync_channel);
7d8d28b3
LCCR		 1013 break;
1014
876c9d3a
MT		 1015 default:
1016 lbs_pr_alert( "EVENT: unknown event id: %#x\n",
1017 eventcause >> SBI_EVENT_CAUSE_SHIFT);
1018 break;
1019 }
1020
1021 spin_lock_irq(&adapter->driver_lock);
1022 adapter->eventcause = 0;
1023 spin_unlock_irq(&adapter->driver_lock);
9012b28a
HS		 1024
1025 lbs_deb_enter_args(LBS_DEB_CMD, "ret %d", ret);
876c9d3a
MT		 1026 return ret;
1027}
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