drivers/net/wireless/wl12xx/cmd.c

   1 /*
   2  * This file is part of wl1271
   3  *
   4  * Copyright (C) 2009-2010 Nokia Corporation
   5  *
   6  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * version 2 as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  20  * 02110-1301 USA
  21  *
  22  */
  23
  24 #include <linux/module.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/spi/spi.h>
  27 #include <linux/etherdevice.h>
  28 #include <linux/ieee80211.h>
  29 #include <linux/slab.h>
  30
  31 #include "wl12xx.h"
  32 #include "reg.h"
  33 #include "io.h"
  34 #include "acx.h"
  35 #include "wl12xx_80211.h"
  36 #include "cmd.h"
  37 #include "event.h"
  38 #include "tx.h"
  39
  40 #define WL1271_CMD_FAST_POLL_COUNT       50
  41
  42 /*
  43  * send command to firmware
  44  *
  45  * @wl: wl struct
  46  * @id: command id
  47  * @buf: buffer containing the command, must work with dma
  48  * @len: length of the buffer
  49  */
  50 int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
  51                     size_t res_len)
  52 {
  53         struct wl1271_cmd_header *cmd;
  54         unsigned long timeout;
  55         u32 intr;
  56         int ret = 0;
  57         u16 status;
  58         u16 poll_count = 0;
  59
  60         cmd = buf;
  61         cmd->id = cpu_to_le16(id);
  62         cmd->status = 0;
  63
  64         WARN_ON(len % 4 != 0);
  65         WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags));
  66
  67         wl1271_write(wl, wl->cmd_box_addr, buf, len, false);
  68
  69         wl1271_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
  70
  71         timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
  72
  73         intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
  74         while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) {
  75                 if (time_after(jiffies, timeout)) {
  76                         wl1271_error("command complete timeout");
  77                         ret = -ETIMEDOUT;
  78                         goto fail;
  79                 }
  80
  81                 poll_count++;
  82                 if (poll_count < WL1271_CMD_FAST_POLL_COUNT)
  83                         udelay(10);
  84                 else
  85                         msleep(1);
  86
  87                 intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
  88         }
  89
  90         /* read back the status code of the command */
  91         if (res_len == 0)
  92                 res_len = sizeof(struct wl1271_cmd_header);
  93         wl1271_read(wl, wl->cmd_box_addr, cmd, res_len, false);
  94
  95         status = le16_to_cpu(cmd->status);
  96         if (status != CMD_STATUS_SUCCESS) {
  97                 wl1271_error("command execute failure %d", status);
  98                 ret = -EIO;
  99                 goto fail;
 100         }
 101
 102         wl1271_write32(wl, ACX_REG_INTERRUPT_ACK,
 103                        WL1271_ACX_INTR_CMD_COMPLETE);
 104         return 0;
 105
 106 fail:
 107         WARN_ON(1);
 108         wl12xx_queue_recovery_work(wl);
 109         return ret;
 110 }
 111
 112 int wl1271_cmd_general_parms(struct wl1271 *wl)
 113 {
 114         struct wl1271_general_parms_cmd *gen_parms;
 115         struct wl1271_ini_general_params *gp =
 116                 &((struct wl1271_nvs_file *)wl->nvs)->general_params;
 117         bool answer = false;
 118         int ret;
 119
 120         if (!wl->nvs)
 121                 return -ENODEV;
 122
 123         gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
 124         if (!gen_parms)
 125                 return -ENOMEM;
 126
 127         gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;
 128
 129         memcpy(&gen_parms->general_params, gp, sizeof(*gp));
 130
 131         if (gp->tx_bip_fem_auto_detect)
 132                 answer = true;
 133
 134         /* Override the REF CLK from the NVS with the one from platform data */
 135         gen_parms->general_params.ref_clock = wl->ref_clock;
 136
 137         /* LPD mode enable (bits 6-7) in WL1271 AP mode only */
 138         if (wl->quirks & WL12XX_QUIRK_LPD_MODE)
 139                 gen_parms->general_params.general_settings |=
 140                         GENERAL_SETTINGS_DRPW_LPD;
 141
 142         ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
 143         if (ret < 0) {
 144                 wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
 145                 goto out;
 146         }
 147
 148         gp->tx_bip_fem_manufacturer =
 149                 gen_parms->general_params.tx_bip_fem_manufacturer;
 150
 151         wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
 152                      answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer);
 153
 154 out:
 155         kfree(gen_parms);
 156         return ret;
 157 }
 158
 159 int wl128x_cmd_general_parms(struct wl1271 *wl)
 160 {
 161         struct wl128x_general_parms_cmd *gen_parms;
 162         struct wl128x_ini_general_params *gp =
 163                 &((struct wl128x_nvs_file *)wl->nvs)->general_params;
 164         bool answer = false;
 165         int ret;
 166
 167         if (!wl->nvs)
 168                 return -ENODEV;
 169
 170         gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
 171         if (!gen_parms)
 172                 return -ENOMEM;
 173
 174         gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;
 175
 176         memcpy(&gen_parms->general_params, gp, sizeof(*gp));
 177
 178         if (gp->tx_bip_fem_auto_detect)
 179                 answer = true;
 180
 181         /* Replace REF and TCXO CLKs with the ones from platform data */
 182         gen_parms->general_params.ref_clock = wl->ref_clock;
 183         gen_parms->general_params.tcxo_ref_clock = wl->tcxo_clock;
 184
 185         ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
 186         if (ret < 0) {
 187                 wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
 188                 goto out;
 189         }
 190
 191         gp->tx_bip_fem_manufacturer =
 192                 gen_parms->general_params.tx_bip_fem_manufacturer;
 193
 194         wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
 195                      answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer);
 196
 197 out:
 198         kfree(gen_parms);
 199         return ret;
 200 }
 201
 202 int wl1271_cmd_radio_parms(struct wl1271 *wl)
 203 {
 204         struct wl1271_nvs_file *nvs = (struct wl1271_nvs_file *)wl->nvs;
 205         struct wl1271_radio_parms_cmd *radio_parms;
 206         struct wl1271_ini_general_params *gp = &nvs->general_params;
 207         int ret;
 208
 209         if (!wl->nvs)
 210                 return -ENODEV;
 211
 212         radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
 213         if (!radio_parms)
 214                 return -ENOMEM;
 215
 216         radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
 217
 218         /* 2.4GHz parameters */
 219         memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2,
 220                sizeof(struct wl1271_ini_band_params_2));
 221         memcpy(&radio_parms->dyn_params_2,
 222                &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
 223                sizeof(struct wl1271_ini_fem_params_2));
 224
 225         /* 5GHz parameters */
 226         memcpy(&radio_parms->static_params_5,
 227                &nvs->stat_radio_params_5,
 228                sizeof(struct wl1271_ini_band_params_5));
 229         memcpy(&radio_parms->dyn_params_5,
 230                &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
 231                sizeof(struct wl1271_ini_fem_params_5));
 232
 233         wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
 234                     radio_parms, sizeof(*radio_parms));
 235
 236         ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
 237         if (ret < 0)
 238                 wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
 239
 240         kfree(radio_parms);
 241         return ret;
 242 }
 243
 244 int wl128x_cmd_radio_parms(struct wl1271 *wl)
 245 {
 246         struct wl128x_nvs_file *nvs = (struct wl128x_nvs_file *)wl->nvs;
 247         struct wl128x_radio_parms_cmd *radio_parms;
 248         struct wl128x_ini_general_params *gp = &nvs->general_params;
 249         int ret;
 250
 251         if (!wl->nvs)
 252                 return -ENODEV;
 253
 254         radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
 255         if (!radio_parms)
 256                 return -ENOMEM;
 257
 258         radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
 259
 260         /* 2.4GHz parameters */
 261         memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2,
 262                sizeof(struct wl128x_ini_band_params_2));
 263         memcpy(&radio_parms->dyn_params_2,
 264                &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
 265                sizeof(struct wl128x_ini_fem_params_2));
 266
 267         /* 5GHz parameters */
 268         memcpy(&radio_parms->static_params_5,
 269                &nvs->stat_radio_params_5,
 270                sizeof(struct wl128x_ini_band_params_5));
 271         memcpy(&radio_parms->dyn_params_5,
 272                &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
 273                sizeof(struct wl128x_ini_fem_params_5));
 274
 275         radio_parms->fem_vendor_and_options = nvs->fem_vendor_and_options;
 276
 277         wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
 278                     radio_parms, sizeof(*radio_parms));
 279
 280         ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
 281         if (ret < 0)
 282                 wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
 283
 284         kfree(radio_parms);
 285         return ret;
 286 }
 287
 288 int wl1271_cmd_ext_radio_parms(struct wl1271 *wl)
 289 {
 290         struct wl1271_ext_radio_parms_cmd *ext_radio_parms;
 291         struct conf_rf_settings *rf = &wl->conf.rf;
 292         int ret;
 293
 294         if (!wl->nvs)
 295                 return -ENODEV;
 296
 297         ext_radio_parms = kzalloc(sizeof(*ext_radio_parms), GFP_KERNEL);
 298         if (!ext_radio_parms)
 299                 return -ENOMEM;
 300
 301         ext_radio_parms->test.id = TEST_CMD_INI_FILE_RF_EXTENDED_PARAM;
 302
 303         memcpy(ext_radio_parms->tx_per_channel_power_compensation_2,
 304                rf->tx_per_channel_power_compensation_2,
 305                CONF_TX_PWR_COMPENSATION_LEN_2);
 306         memcpy(ext_radio_parms->tx_per_channel_power_compensation_5,
 307                rf->tx_per_channel_power_compensation_5,
 308                CONF_TX_PWR_COMPENSATION_LEN_5);
 309
 310         wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_EXT_RADIO_PARAM: ",
 311                     ext_radio_parms, sizeof(*ext_radio_parms));
 312
 313         ret = wl1271_cmd_test(wl, ext_radio_parms, sizeof(*ext_radio_parms), 0);
 314         if (ret < 0)
 315                 wl1271_warning("TEST_CMD_INI_FILE_RF_EXTENDED_PARAM failed");
 316
 317         kfree(ext_radio_parms);
 318         return ret;
 319 }
 320
 321 /*
 322  * Poll the mailbox event field until any of the bits in the mask is set or a
 323  * timeout occurs (WL1271_EVENT_TIMEOUT in msecs)
 324  */
 325 static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, u32 mask)
 326 {
 327         u32 events_vector, event;
 328         unsigned long timeout;
 329
 330         timeout = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT);
 331
 332         do {
 333                 if (time_after(jiffies, timeout)) {
 334                         wl1271_debug(DEBUG_CMD, "timeout waiting for event %d",
 335                                      (int)mask);
 336                         return -ETIMEDOUT;
 337                 }
 338
 339                 msleep(1);
 340
 341                 /* read from both event fields */
 342                 wl1271_read(wl, wl->mbox_ptr[0], &events_vector,
 343                             sizeof(events_vector), false);
 344                 event = events_vector & mask;
 345                 wl1271_read(wl, wl->mbox_ptr[1], &events_vector,
 346                             sizeof(events_vector), false);
 347                 event |= events_vector & mask;
 348         } while (!event);
 349
 350         return 0;
 351 }
 352
 353 static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask)
 354 {
 355         int ret;
 356
 357         ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask);
 358         if (ret != 0) {
 359                 wl12xx_queue_recovery_work(wl);
 360                 return ret;
 361         }
 362
 363         return 0;
 364 }
 365
 366 int wl12xx_cmd_role_enable(struct wl1271 *wl, u8 role_type, u8 *role_id)
 367 {
 368         struct wl12xx_cmd_role_enable *cmd;
 369         int ret;
 370
 371         wl1271_debug(DEBUG_CMD, "cmd role enable");
 372
 373         if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID))
 374                 return -EBUSY;
 375
 376         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 377         if (!cmd) {
 378                 ret = -ENOMEM;
 379                 goto out;
 380         }
 381
 382         /* get role id */
 383         cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES);
 384         if (cmd->role_id >= WL12XX_MAX_ROLES) {
 385                 ret = -EBUSY;
 386                 goto out_free;
 387         }
 388
 389         memcpy(cmd->mac_address, wl->mac_addr, ETH_ALEN);
 390         cmd->role_type = role_type;
 391
 392         ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0);
 393         if (ret < 0) {
 394                 wl1271_error("failed to initiate cmd role enable");
 395                 goto out_free;
 396         }
 397
 398         __set_bit(cmd->role_id, wl->roles_map);
 399         *role_id = cmd->role_id;
 400
 401 out_free:
 402         kfree(cmd);
 403
 404 out:
 405         return ret;
 406 }
 407
 408 int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id)
 409 {
 410         struct wl12xx_cmd_role_disable *cmd;
 411         int ret;
 412
 413         wl1271_debug(DEBUG_CMD, "cmd role disable");
 414
 415         if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID))
 416                 return -ENOENT;
 417
 418         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 419         if (!cmd) {
 420                 ret = -ENOMEM;
 421                 goto out;
 422         }
 423         cmd->role_id = *role_id;
 424
 425         ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0);
 426         if (ret < 0) {
 427                 wl1271_error("failed to initiate cmd role disable");
 428                 goto out_free;
 429         }
 430
 431         __clear_bit(*role_id, wl->roles_map);
 432         *role_id = WL12XX_INVALID_ROLE_ID;
 433
 434 out_free:
 435         kfree(cmd);
 436
 437 out:
 438         return ret;
 439 }
 440
 441 static int wl12xx_allocate_link(struct wl1271 *wl, u8 *hlid)
 442 {
 443         u8 link = find_first_zero_bit(wl->links_map, WL12XX_MAX_LINKS);
 444         if (link >= WL12XX_MAX_LINKS)
 445                 return -EBUSY;
 446
 447         __set_bit(link, wl->links_map);
 448         *hlid = link;
 449         return 0;
 450 }
 451
 452 static void wl12xx_free_link(struct wl1271 *wl, u8 *hlid)
 453 {
 454         if (*hlid == WL12XX_INVALID_LINK_ID)
 455                 return;
 456
 457         __clear_bit(*hlid, wl->links_map);
 458         *hlid = WL12XX_INVALID_LINK_ID;
 459 }
 460
 461 static int wl12xx_get_new_session_id(struct wl1271 *wl)
 462 {
 463         if (wl->session_counter >= SESSION_COUNTER_MAX)
 464                 wl->session_counter = 0;
 465
 466         wl->session_counter++;
 467
 468         return wl->session_counter;
 469 }
 470
 471 int wl12xx_cmd_role_start_dev(struct wl1271 *wl)
 472 {
 473         struct wl12xx_cmd_role_start *cmd;
 474         int ret;
 475
 476         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 477         if (!cmd) {
 478                 ret = -ENOMEM;
 479                 goto out;
 480         }
 481
 482         wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wl->dev_role_id);
 483
 484         cmd->role_id = wl->dev_role_id;
 485         if (wl->band == IEEE80211_BAND_5GHZ)
 486                 cmd->band = WL12XX_BAND_5GHZ;
 487         cmd->channel = wl->channel;
 488
 489         if (wl->dev_hlid == WL12XX_INVALID_LINK_ID) {
 490                 ret = wl12xx_allocate_link(wl, &wl->dev_hlid);
 491                 if (ret)
 492                         goto out_free;
 493         }
 494         cmd->device.hlid = wl->dev_hlid;
 495         cmd->device.session = wl->session_counter;
 496
 497         wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d",
 498                      cmd->role_id, cmd->device.hlid, cmd->device.session);
 499
 500         ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
 501         if (ret < 0) {
 502                 wl1271_error("failed to initiate cmd role enable");
 503                 goto err_hlid;
 504         }
 505
 506         goto out_free;
 507
 508 err_hlid:
 509         /* clear links on error */
 510         __clear_bit(wl->dev_hlid, wl->links_map);
 511         wl->dev_hlid = WL12XX_INVALID_LINK_ID;
 512
 513
 514 out_free:
 515         kfree(cmd);
 516
 517 out:
 518         return ret;
 519 }
 520
 521 int wl12xx_cmd_role_stop_dev(struct wl1271 *wl)
 522 {
 523         struct wl12xx_cmd_role_stop *cmd;
 524         int ret;
 525
 526         if (WARN_ON(wl->dev_hlid == WL12XX_INVALID_LINK_ID))
 527                 return -EINVAL;
 528
 529         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 530         if (!cmd) {
 531                 ret = -ENOMEM;
 532                 goto out;
 533         }
 534
 535         wl1271_debug(DEBUG_CMD, "cmd role stop dev");
 536
 537         cmd->role_id = wl->dev_role_id;
 538         cmd->disc_type = DISCONNECT_IMMEDIATE;
 539         cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED);
 540
 541         ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0);
 542         if (ret < 0) {
 543                 wl1271_error("failed to initiate cmd role stop");
 544                 goto out_free;
 545         }
 546
 547         ret = wl1271_cmd_wait_for_event(wl, DISCONNECT_EVENT_COMPLETE_ID);
 548         if (ret < 0) {
 549                 wl1271_error("cmd role stop dev event completion error");
 550                 goto out_free;
 551         }
 552
 553         wl12xx_free_link(wl, &wl->dev_hlid);
 554
 555 out_free:
 556         kfree(cmd);
 557
 558 out:
 559         return ret;
 560 }
 561
 562 int wl12xx_cmd_role_start_sta(struct wl1271 *wl)
 563 {
 564         struct wl12xx_cmd_role_start *cmd;
 565         int ret;
 566
 567         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 568         if (!cmd) {
 569                 ret = -ENOMEM;
 570                 goto out;
 571         }
 572
 573         wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wl->role_id);
 574
 575         cmd->role_id = wl->role_id;
 576         if (wl->band == IEEE80211_BAND_5GHZ)
 577                 cmd->band = WL12XX_BAND_5GHZ;
 578         cmd->channel = wl->channel;
 579         cmd->sta.basic_rate_set = cpu_to_le32(wl->basic_rate_set);
 580         cmd->sta.beacon_interval = cpu_to_le16(wl->beacon_int);
 581         cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY;
 582         cmd->sta.ssid_len = wl->ssid_len;
 583         memcpy(cmd->sta.ssid, wl->ssid, wl->ssid_len);
 584         memcpy(cmd->sta.bssid, wl->bssid, ETH_ALEN);
 585         cmd->sta.local_rates = cpu_to_le32(wl->rate_set);
 586
 587         if (wl->sta_hlid == WL12XX_INVALID_LINK_ID) {
 588                 ret = wl12xx_allocate_link(wl, &wl->sta_hlid);
 589                 if (ret)
 590                         goto out_free;
 591         }
 592         cmd->sta.hlid = wl->sta_hlid;
 593         cmd->sta.session = wl12xx_get_new_session_id(wl);
 594         cmd->sta.remote_rates = cpu_to_le32(wl->rate_set);
 595
 596         wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d "
 597                      "basic_rate_set: 0x%x, remote_rates: 0x%x",
 598                      wl->role_id, cmd->sta.hlid, cmd->sta.session,
 599                      wl->basic_rate_set, wl->rate_set);
 600
 601         ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
 602         if (ret < 0) {
 603                 wl1271_error("failed to initiate cmd role start sta");
 604                 goto err_hlid;
 605         }
 606
 607         goto out_free;
 608
 609 err_hlid:
 610         /* clear links on error. */
 611         wl12xx_free_link(wl, &wl->sta_hlid);
 612
 613 out_free:
 614         kfree(cmd);
 615
 616 out:
 617         return ret;
 618 }
 619
 620 int wl12xx_cmd_role_stop_sta(struct wl1271 *wl)
 621 {
 622         struct wl12xx_cmd_role_stop *cmd;
 623         int ret;
 624
 625         if (WARN_ON(wl->sta_hlid == WL12XX_INVALID_LINK_ID))
 626                 return -EINVAL;
 627
 628         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 629         if (!cmd) {
 630                 ret = -ENOMEM;
 631                 goto out;
 632         }
 633
 634         wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wl->role_id);
 635
 636         cmd->role_id = wl->role_id;
 637         cmd->disc_type = DISCONNECT_IMMEDIATE;
 638         cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED);
 639
 640         ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0);
 641         if (ret < 0) {
 642                 wl1271_error("failed to initiate cmd role stop sta");
 643                 goto out_free;
 644         }
 645
 646         ret = wl1271_cmd_wait_for_event(wl, DISCONNECT_EVENT_COMPLETE_ID);
 647         if (ret < 0) {
 648                 wl1271_error("cmd role stop sta event completion error");
 649                 goto out_free;
 650         }
 651
 652         wl12xx_free_link(wl, &wl->sta_hlid);
 653
 654 out_free:
 655         kfree(cmd);
 656
 657 out:
 658         return ret;
 659 }
 660
 661 int wl12xx_cmd_role_start_ap(struct wl1271 *wl)
 662 {
 663         struct wl12xx_cmd_role_start *cmd;
 664         struct ieee80211_bss_conf *bss_conf = &wl->vif->bss_conf;
 665         int ret;
 666
 667         wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wl->role_id);
 668
 669         /*
 670          * We currently do not support hidden SSID. The real SSID
 671          * should be fetched from mac80211 first.
 672          */
 673         if (wl->ssid_len == 0) {
 674                 wl1271_warning("Hidden SSID currently not supported for AP");
 675                 ret = -EINVAL;
 676                 goto out;
 677         }
 678
 679         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 680         if (!cmd) {
 681                 ret = -ENOMEM;
 682                 goto out;
 683         }
 684
 685         ret = wl12xx_allocate_link(wl, &wl->ap_global_hlid);
 686         if (ret < 0)
 687                 goto out_free;
 688
 689         ret = wl12xx_allocate_link(wl, &wl->ap_bcast_hlid);
 690         if (ret < 0)
 691                 goto out_free_global;
 692
 693         cmd->role_id = wl->role_id;
 694         cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period);
 695         cmd->ap.bss_index = WL1271_AP_BSS_INDEX;
 696         cmd->ap.global_hlid = wl->ap_global_hlid;
 697         cmd->ap.broadcast_hlid = wl->ap_bcast_hlid;
 698         cmd->ap.basic_rate_set = cpu_to_le32(wl->basic_rate_set);
 699         cmd->ap.beacon_interval = cpu_to_le16(wl->beacon_int);
 700         cmd->ap.dtim_interval = bss_conf->dtim_period;
 701         cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP;
 702         cmd->channel = wl->channel;
 703         cmd->ap.ssid_len = wl->ssid_len;
 704         cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC;
 705         memcpy(cmd->ap.ssid, wl->ssid, wl->ssid_len);
 706         cmd->ap.local_rates = cpu_to_le32(0xffffffff);
 707
 708         switch (wl->band) {
 709         case IEEE80211_BAND_2GHZ:
 710                 cmd->band = RADIO_BAND_2_4GHZ;
 711                 break;
 712         case IEEE80211_BAND_5GHZ:
 713                 cmd->band = RADIO_BAND_5GHZ;
 714                 break;
 715         default:
 716                 wl1271_warning("ap start - unknown band: %d", (int)wl->band);
 717                 cmd->band = RADIO_BAND_2_4GHZ;
 718                 break;
 719         }
 720
 721         ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
 722         if (ret < 0) {
 723                 wl1271_error("failed to initiate cmd role start ap");
 724                 goto out_free_bcast;
 725         }
 726
 727         goto out_free;
 728
 729 out_free_bcast:
 730         wl12xx_free_link(wl, &wl->ap_bcast_hlid);
 731
 732 out_free_global:
 733         wl12xx_free_link(wl, &wl->ap_global_hlid);
 734
 735 out_free:
 736         kfree(cmd);
 737
 738 out:
 739         return ret;
 740 }
 741
 742 int wl12xx_cmd_role_stop_ap(struct wl1271 *wl)
 743 {
 744         struct wl12xx_cmd_role_stop *cmd;
 745         int ret;
 746
 747         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 748         if (!cmd) {
 749                 ret = -ENOMEM;
 750                 goto out;
 751         }
 752
 753         wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wl->role_id);
 754
 755         cmd->role_id = wl->role_id;
 756
 757         ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0);
 758         if (ret < 0) {
 759                 wl1271_error("failed to initiate cmd role stop ap");
 760                 goto out_free;
 761         }
 762
 763         wl12xx_free_link(wl, &wl->ap_bcast_hlid);
 764         wl12xx_free_link(wl, &wl->ap_global_hlid);
 765
 766 out_free:
 767         kfree(cmd);
 768
 769 out:
 770         return ret;
 771 }
 772
 773
 774 /**
 775  * send test command to firmware
 776  *
 777  * @wl: wl struct
 778  * @buf: buffer containing the command, with all headers, must work with dma
 779  * @len: length of the buffer
 780  * @answer: is answer needed
 781  */
 782 int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
 783 {
 784         int ret;
 785         size_t res_len = 0;
 786
 787         wl1271_debug(DEBUG_CMD, "cmd test");
 788
 789         if (answer)
 790                 res_len = buf_len;
 791
 792         ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len);
 793
 794         if (ret < 0) {
 795                 wl1271_warning("TEST command failed");
 796                 return ret;
 797         }
 798
 799         return ret;
 800 }
 801
 802 /**
 803  * read acx from firmware
 804  *
 805  * @wl: wl struct
 806  * @id: acx id
 807  * @buf: buffer for the response, including all headers, must work with dma
 808  * @len: length of buf
 809  */
 810 int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
 811 {
 812         struct acx_header *acx = buf;
 813         int ret;
 814
 815         wl1271_debug(DEBUG_CMD, "cmd interrogate");
 816
 817         acx->id = cpu_to_le16(id);
 818
 819         /* payload length, does not include any headers */
 820         acx->len = cpu_to_le16(len - sizeof(*acx));
 821
 822         ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len);
 823         if (ret < 0)
 824                 wl1271_error("INTERROGATE command failed");
 825
 826         return ret;
 827 }
 828
 829 /**
 830  * write acx value to firmware
 831  *
 832  * @wl: wl struct
 833  * @id: acx id
 834  * @buf: buffer containing acx, including all headers, must work with dma
 835  * @len: length of buf
 836  */
 837 int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
 838 {
 839         struct acx_header *acx = buf;
 840         int ret;
 841
 842         wl1271_debug(DEBUG_CMD, "cmd configure");
 843
 844         acx->id = cpu_to_le16(id);
 845
 846         /* payload length, does not include any headers */
 847         acx->len = cpu_to_le16(len - sizeof(*acx));
 848
 849         ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0);
 850         if (ret < 0) {
 851                 wl1271_warning("CONFIGURE command NOK");
 852                 return ret;
 853         }
 854
 855         return 0;
 856 }
 857
 858 int wl1271_cmd_data_path(struct wl1271 *wl, bool enable)
 859 {
 860         struct cmd_enabledisable_path *cmd;
 861         int ret;
 862         u16 cmd_rx, cmd_tx;
 863
 864         wl1271_debug(DEBUG_CMD, "cmd data path");
 865
 866         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 867         if (!cmd) {
 868                 ret = -ENOMEM;
 869                 goto out;
 870         }
 871
 872         /* the channel here is only used for calibration, so hardcoded to 1 */
 873         cmd->channel = 1;
 874
 875         if (enable) {
 876                 cmd_rx = CMD_ENABLE_RX;
 877                 cmd_tx = CMD_ENABLE_TX;
 878         } else {
 879                 cmd_rx = CMD_DISABLE_RX;
 880                 cmd_tx = CMD_DISABLE_TX;
 881         }
 882
 883         ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0);
 884         if (ret < 0) {
 885                 wl1271_error("rx %s cmd for channel %d failed",
 886                              enable ? "start" : "stop", cmd->channel);
 887                 goto out;
 888         }
 889
 890         wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d",
 891                      enable ? "start" : "stop", cmd->channel);
 892
 893         ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0);
 894         if (ret < 0) {
 895                 wl1271_error("tx %s cmd for channel %d failed",
 896                              enable ? "start" : "stop", cmd->channel);
 897                 goto out;
 898         }
 899
 900         wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d",
 901                      enable ? "start" : "stop", cmd->channel);
 902
 903 out:
 904         kfree(cmd);
 905         return ret;
 906 }
 907
 908 int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode)
 909 {
 910         struct wl1271_cmd_ps_params *ps_params = NULL;
 911         int ret = 0;
 912
 913         wl1271_debug(DEBUG_CMD, "cmd set ps mode");
 914
 915         ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
 916         if (!ps_params) {
 917                 ret = -ENOMEM;
 918                 goto out;
 919         }
 920
 921         ps_params->role_id = wl->role_id;
 922         ps_params->ps_mode = ps_mode;
 923
 924         ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
 925                               sizeof(*ps_params), 0);
 926         if (ret < 0) {
 927                 wl1271_error("cmd set_ps_mode failed");
 928                 goto out;
 929         }
 930
 931 out:
 932         kfree(ps_params);
 933         return ret;
 934 }
 935
 936 int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
 937                             void *buf, size_t buf_len, int index, u32 rates)
 938 {
 939         struct wl1271_cmd_template_set *cmd;
 940         int ret = 0;
 941
 942         wl1271_debug(DEBUG_CMD, "cmd template_set %d", template_id);
 943
 944         WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE);
 945         buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE);
 946
 947         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 948         if (!cmd) {
 949                 ret = -ENOMEM;
 950                 goto out;
 951         }
 952
 953         cmd->len = cpu_to_le16(buf_len);
 954         cmd->template_type = template_id;
 955         cmd->enabled_rates = cpu_to_le32(rates);
 956         cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit;
 957         cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit;
 958         cmd->index = index;
 959
 960         if (buf)
 961                 memcpy(cmd->template_data, buf, buf_len);
 962
 963         ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0);
 964         if (ret < 0) {
 965                 wl1271_warning("cmd set_template failed: %d", ret);
 966                 goto out_free;
 967         }
 968
 969 out_free:
 970         kfree(cmd);
 971
 972 out:
 973         return ret;
 974 }
 975
 976 int wl1271_cmd_build_null_data(struct wl1271 *wl)
 977 {
 978         struct sk_buff *skb = NULL;
 979         int size;
 980         void *ptr;
 981         int ret = -ENOMEM;
 982
 983
 984         if (wl->bss_type == BSS_TYPE_IBSS) {
 985                 size = sizeof(struct wl12xx_null_data_template);
 986                 ptr = NULL;
 987         } else {
 988                 skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
 989                 if (!skb)
 990                         goto out;
 991                 size = skb->len;
 992                 ptr = skb->data;
 993         }
 994
 995         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size, 0,
 996                                       wl->basic_rate);
 997
 998 out:
 999         dev_kfree_skb(skb);
1000         if (ret)
1001                 wl1271_warning("cmd buld null data failed %d", ret);
1002
1003         return ret;
1004
1005 }
1006
1007 int wl1271_cmd_build_klv_null_data(struct wl1271 *wl)
1008 {
1009         struct sk_buff *skb = NULL;
1010         int ret = -ENOMEM;
1011
1012         skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
1013         if (!skb)
1014                 goto out;
1015
1016         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV,
1017                                       skb->data, skb->len,
1018                                       CMD_TEMPL_KLV_IDX_NULL_DATA,
1019                                       wl->basic_rate);
1020
1021 out:
1022         dev_kfree_skb(skb);
1023         if (ret)
1024                 wl1271_warning("cmd build klv null data failed %d", ret);
1025
1026         return ret;
1027
1028 }
1029
1030 int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
1031 {
1032         struct sk_buff *skb;
1033         int ret = 0;
1034
1035         skb = ieee80211_pspoll_get(wl->hw, wl->vif);
1036         if (!skb)
1037                 goto out;
1038
1039         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, skb->data,
1040                                       skb->len, 0, wl->basic_rate_set);
1041
1042 out:
1043         dev_kfree_skb(skb);
1044         return ret;
1045 }
1046
1047 int wl1271_cmd_build_probe_req(struct wl1271 *wl,
1048                                const u8 *ssid, size_t ssid_len,
1049                                const u8 *ie, size_t ie_len, u8 band)
1050 {
1051         struct sk_buff *skb;
1052         int ret;
1053
1054         skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
1055                                      ie, ie_len);
1056         if (!skb) {
1057                 ret = -ENOMEM;
1058                 goto out;
1059         }
1060
1061         wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
1062
1063         if (band == IEEE80211_BAND_2GHZ)
1064                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
1065                                               skb->data, skb->len, 0,
1066                                               wl->conf.tx.basic_rate);
1067         else
1068                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
1069                                               skb->data, skb->len, 0,
1070                                               wl->conf.tx.basic_rate_5);
1071
1072 out:
1073         dev_kfree_skb(skb);
1074         return ret;
1075 }
1076
1077 struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
1078                                               struct sk_buff *skb)
1079 {
1080         int ret;
1081
1082         if (!skb)
1083                 skb = ieee80211_ap_probereq_get(wl->hw, wl->vif);
1084         if (!skb)
1085                 goto out;
1086
1087         wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len);
1088
1089         if (wl->band == IEEE80211_BAND_2GHZ)
1090                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
1091                                               skb->data, skb->len, 0,
1092                                               wl->conf.tx.basic_rate);
1093         else
1094                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
1095                                               skb->data, skb->len, 0,
1096                                               wl->conf.tx.basic_rate_5);
1097
1098         if (ret < 0)
1099                 wl1271_error("Unable to set ap probe request template.");
1100
1101 out:
1102         return skb;
1103 }
1104
1105 int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr)
1106 {
1107         int ret;
1108         struct wl12xx_arp_rsp_template tmpl;
1109         struct ieee80211_hdr_3addr *hdr;
1110         struct arphdr *arp_hdr;
1111
1112         memset(&tmpl, 0, sizeof(tmpl));
1113
1114         /* mac80211 header */
1115         hdr = &tmpl.hdr;
1116         hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
1117                                          IEEE80211_STYPE_DATA |
1118                                          IEEE80211_FCTL_TODS);
1119         memcpy(hdr->addr1, wl->vif->bss_conf.bssid, ETH_ALEN);
1120         memcpy(hdr->addr2, wl->vif->addr, ETH_ALEN);
1121         memset(hdr->addr3, 0xff, ETH_ALEN);
1122
1123         /* llc layer */
1124         memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header));
1125         tmpl.llc_type = cpu_to_be16(ETH_P_ARP);
1126
1127         /* arp header */
1128         arp_hdr = &tmpl.arp_hdr;
1129         arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER);
1130         arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP);
1131         arp_hdr->ar_hln = ETH_ALEN;
1132         arp_hdr->ar_pln = 4;
1133         arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY);
1134
1135         /* arp payload */
1136         memcpy(tmpl.sender_hw, wl->vif->addr, ETH_ALEN);
1137         tmpl.sender_ip = ip_addr;
1138
1139         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP,
1140                                       &tmpl, sizeof(tmpl), 0,
1141                                       wl->basic_rate);
1142
1143         return ret;
1144 }
1145
1146 int wl1271_build_qos_null_data(struct wl1271 *wl)
1147 {
1148         struct ieee80211_qos_hdr template;
1149
1150         memset(&template, 0, sizeof(template));
1151
1152         memcpy(template.addr1, wl->bssid, ETH_ALEN);
1153         memcpy(template.addr2, wl->mac_addr, ETH_ALEN);
1154         memcpy(template.addr3, wl->bssid, ETH_ALEN);
1155
1156         template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
1157                                              IEEE80211_STYPE_QOS_NULLFUNC |
1158                                              IEEE80211_FCTL_TODS);
1159
1160         /* FIXME: not sure what priority to use here */
1161         template.qos_ctrl = cpu_to_le16(0);
1162
1163         return wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, &template,
1164                                        sizeof(template), 0,
1165                                        wl->basic_rate);
1166 }
1167
1168 int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid)
1169 {
1170         struct wl1271_cmd_set_keys *cmd;
1171         int ret = 0;
1172
1173         wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id);
1174
1175         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1176         if (!cmd) {
1177                 ret = -ENOMEM;
1178                 goto out;
1179         }
1180
1181         cmd->hlid = hlid;
1182         cmd->key_id = id;
1183         cmd->lid_key_type = WEP_DEFAULT_LID_TYPE;
1184         cmd->key_action = cpu_to_le16(KEY_SET_ID);
1185         cmd->key_type = KEY_WEP;
1186
1187         ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
1188         if (ret < 0) {
1189                 wl1271_warning("cmd set_default_wep_key failed: %d", ret);
1190                 goto out;
1191         }
1192
1193 out:
1194         kfree(cmd);
1195
1196         return ret;
1197 }
1198
1199 int wl1271_cmd_set_sta_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
1200                        u8 key_size, const u8 *key, const u8 *addr,
1201                        u32 tx_seq_32, u16 tx_seq_16)
1202 {
1203         struct wl1271_cmd_set_keys *cmd;
1204         int ret = 0;
1205
1206         /* hlid might have already been deleted */
1207         if (wl->sta_hlid == WL12XX_INVALID_LINK_ID)
1208                 return 0;
1209
1210         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1211         if (!cmd) {
1212                 ret = -ENOMEM;
1213                 goto out;
1214         }
1215
1216         cmd->hlid = wl->sta_hlid;
1217
1218         if (key_type == KEY_WEP)
1219                 cmd->lid_key_type = WEP_DEFAULT_LID_TYPE;
1220         else if (is_broadcast_ether_addr(addr))
1221                 cmd->lid_key_type = BROADCAST_LID_TYPE;
1222         else
1223                 cmd->lid_key_type = UNICAST_LID_TYPE;
1224
1225         cmd->key_action = cpu_to_le16(action);
1226         cmd->key_size = key_size;
1227         cmd->key_type = key_type;
1228
1229         cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
1230         cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
1231
1232         cmd->key_id = id;
1233
1234         if (key_type == KEY_TKIP) {
1235                 /*
1236                  * We get the key in the following form:
1237                  * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
1238                  * but the target is expecting:
1239                  * TKIP - RX MIC - TX MIC
1240                  */
1241                 memcpy(cmd->key, key, 16);
1242                 memcpy(cmd->key + 16, key + 24, 8);
1243                 memcpy(cmd->key + 24, key + 16, 8);
1244
1245         } else {
1246                 memcpy(cmd->key, key, key_size);
1247         }
1248
1249         wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd));
1250
1251         ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
1252         if (ret < 0) {
1253                 wl1271_warning("could not set keys");
1254         goto out;
1255         }
1256
1257 out:
1258         kfree(cmd);
1259
1260         return ret;
1261 }
1262
1263 /*
1264  * TODO: merge with sta/ibss into 1 set_key function.
1265  * note there are slight diffs
1266  */
1267 int wl1271_cmd_set_ap_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
1268                         u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
1269                         u16 tx_seq_16)
1270 {
1271         struct wl1271_cmd_set_keys *cmd;
1272         int ret = 0;
1273         u8 lid_type;
1274
1275         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1276         if (!cmd)
1277                 return -ENOMEM;
1278
1279         if (hlid == wl->ap_bcast_hlid) {
1280                 if (key_type == KEY_WEP)
1281                         lid_type = WEP_DEFAULT_LID_TYPE;
1282                 else
1283                         lid_type = BROADCAST_LID_TYPE;
1284         } else {
1285                 lid_type = UNICAST_LID_TYPE;
1286         }
1287
1288         wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d"
1289                      " hlid: %d", (int)action, (int)id, (int)lid_type,
1290                      (int)key_type, (int)hlid);
1291
1292         cmd->lid_key_type = lid_type;
1293         cmd->hlid = hlid;
1294         cmd->key_action = cpu_to_le16(action);
1295         cmd->key_size = key_size;
1296         cmd->key_type = key_type;
1297         cmd->key_id = id;
1298         cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
1299         cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
1300
1301         if (key_type == KEY_TKIP) {
1302                 /*
1303                  * We get the key in the following form:
1304                  * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
1305                  * but the target is expecting:
1306                  * TKIP - RX MIC - TX MIC
1307                  */
1308                 memcpy(cmd->key, key, 16);
1309                 memcpy(cmd->key + 16, key + 24, 8);
1310                 memcpy(cmd->key + 24, key + 16, 8);
1311         } else {
1312                 memcpy(cmd->key, key, key_size);
1313         }
1314
1315         wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd));
1316
1317         ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
1318         if (ret < 0) {
1319                 wl1271_warning("could not set ap keys");
1320                 goto out;
1321         }
1322
1323 out:
1324         kfree(cmd);
1325         return ret;
1326 }
1327
1328 int wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid)
1329 {
1330         struct wl12xx_cmd_set_peer_state *cmd;
1331         int ret = 0;
1332
1333         wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid);
1334
1335         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1336         if (!cmd) {
1337                 ret = -ENOMEM;
1338                 goto out;
1339         }
1340
1341         cmd->hlid = hlid;
1342         cmd->state = WL1271_CMD_STA_STATE_CONNECTED;
1343
1344         ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0);
1345         if (ret < 0) {
1346                 wl1271_error("failed to send set peer state command");
1347                 goto out_free;
1348         }
1349
1350 out_free:
1351         kfree(cmd);
1352
1353 out:
1354         return ret;
1355 }
1356 int wl12xx_cmd_add_peer(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid)
1357 {
1358         struct wl12xx_cmd_add_peer *cmd;
1359         int ret;
1360
1361         wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid);
1362
1363         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1364         if (!cmd) {
1365                 ret = -ENOMEM;
1366                 goto out;
1367         }
1368
1369         /* currently we don't support UAPSD */
1370         cmd->sp_len = 0;
1371
1372         memcpy(cmd->addr, sta->addr, ETH_ALEN);
1373         cmd->bss_index = WL1271_AP_BSS_INDEX;
1374         cmd->aid = sta->aid;
1375         cmd->hlid = hlid;
1376         cmd->wmm = sta->wme ? 1 : 0;
1377
1378         cmd->supported_rates = cpu_to_le32(wl1271_tx_enabled_rates_get(wl,
1379                                                 sta->supp_rates[wl->band]));
1380
1381         wl1271_debug(DEBUG_CMD, "new peer rates: 0x%x", cmd->supported_rates);
1382
1383         ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0);
1384         if (ret < 0) {
1385                 wl1271_error("failed to initiate cmd add peer");
1386                 goto out_free;
1387         }
1388
1389 out_free:
1390         kfree(cmd);
1391
1392 out:
1393         return ret;
1394 }
1395
1396 int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid)
1397 {
1398         struct wl12xx_cmd_remove_peer *cmd;
1399         int ret;
1400
1401         wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid);
1402
1403         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1404         if (!cmd) {
1405                 ret = -ENOMEM;
1406                 goto out;
1407         }
1408
1409         cmd->hlid = hlid;
1410         /* We never send a deauth, mac80211 is in charge of this */
1411         cmd->reason_opcode = 0;
1412         cmd->send_deauth_flag = 0;
1413
1414         ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0);
1415         if (ret < 0) {
1416                 wl1271_error("failed to initiate cmd remove peer");
1417                 goto out_free;
1418         }
1419
1420         /*
1421          * We are ok with a timeout here. The event is sometimes not sent
1422          * due to a firmware bug.
1423          */
1424         wl1271_cmd_wait_for_event_or_timeout(wl,
1425                                              PEER_REMOVE_COMPLETE_EVENT_ID);
1426
1427 out_free:
1428         kfree(cmd);
1429
1430 out:
1431         return ret;
1432 }
1433
1434 int wl12xx_cmd_config_fwlog(struct wl1271 *wl)
1435 {
1436         struct wl12xx_cmd_config_fwlog *cmd;
1437         int ret = 0;
1438
1439         wl1271_debug(DEBUG_CMD, "cmd config firmware logger");
1440
1441         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1442         if (!cmd) {
1443                 ret = -ENOMEM;
1444                 goto out;
1445         }
1446
1447         cmd->logger_mode = wl->conf.fwlog.mode;
1448         cmd->log_severity = wl->conf.fwlog.severity;
1449         cmd->timestamp = wl->conf.fwlog.timestamp;
1450         cmd->output = wl->conf.fwlog.output;
1451         cmd->threshold = wl->conf.fwlog.threshold;
1452
1453         ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0);
1454         if (ret < 0) {
1455                 wl1271_error("failed to send config firmware logger command");
1456                 goto out_free;
1457         }
1458
1459 out_free:
1460         kfree(cmd);
1461
1462 out:
1463         return ret;
1464 }
1465
1466 int wl12xx_cmd_start_fwlog(struct wl1271 *wl)
1467 {
1468         struct wl12xx_cmd_start_fwlog *cmd;
1469         int ret = 0;
1470
1471         wl1271_debug(DEBUG_CMD, "cmd start firmware logger");
1472
1473         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1474         if (!cmd) {
1475                 ret = -ENOMEM;
1476                 goto out;
1477         }
1478
1479         ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0);
1480         if (ret < 0) {
1481                 wl1271_error("failed to send start firmware logger command");
1482                 goto out_free;
1483         }
1484
1485 out_free:
1486         kfree(cmd);
1487
1488 out:
1489         return ret;
1490 }
1491
1492 int wl12xx_cmd_stop_fwlog(struct wl1271 *wl)
1493 {
1494         struct wl12xx_cmd_stop_fwlog *cmd;
1495         int ret = 0;
1496
1497         wl1271_debug(DEBUG_CMD, "cmd stop firmware logger");
1498
1499         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1500         if (!cmd) {
1501                 ret = -ENOMEM;
1502                 goto out;
1503         }
1504
1505         ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0);
1506         if (ret < 0) {
1507                 wl1271_error("failed to send stop firmware logger command");
1508                 goto out_free;
1509         }
1510
1511 out_free:
1512         kfree(cmd);
1513
1514 out:
1515         return ret;
1516 }
1517
1518 static int wl12xx_cmd_roc(struct wl1271 *wl, u8 role_id)
1519 {
1520         struct wl12xx_cmd_roc *cmd;
1521         int ret = 0;
1522
1523         wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", wl->channel, role_id);
1524
1525         if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID))
1526                 return -EINVAL;
1527
1528         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1529         if (!cmd) {
1530                 ret = -ENOMEM;
1531                 goto out;
1532         }
1533
1534         cmd->role_id = role_id;
1535         cmd->channel = wl->channel;
1536         switch (wl->band) {
1537         case IEEE80211_BAND_2GHZ:
1538                 cmd->band = RADIO_BAND_2_4GHZ;
1539                 break;
1540         case IEEE80211_BAND_5GHZ:
1541                 cmd->band = RADIO_BAND_5GHZ;
1542                 break;
1543         default:
1544                 wl1271_error("roc - unknown band: %d", (int)wl->band);
1545                 ret = -EINVAL;
1546                 goto out_free;
1547         }
1548
1549
1550         ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0);
1551         if (ret < 0) {
1552                 wl1271_error("failed to send ROC command");
1553                 goto out_free;
1554         }
1555
1556 out_free:
1557         kfree(cmd);
1558
1559 out:
1560         return ret;
1561 }
1562
1563 static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id)
1564 {
1565         struct wl12xx_cmd_croc *cmd;
1566         int ret = 0;
1567
1568         wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id);
1569
1570         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1571         if (!cmd) {
1572                 ret = -ENOMEM;
1573                 goto out;
1574         }
1575         cmd->role_id = role_id;
1576
1577         ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd,
1578                               sizeof(*cmd), 0);
1579         if (ret < 0) {
1580                 wl1271_error("failed to send ROC command");
1581                 goto out_free;
1582         }
1583
1584 out_free:
1585         kfree(cmd);
1586
1587 out:
1588         return ret;
1589 }
1590
1591 int wl12xx_roc(struct wl1271 *wl, u8 role_id)
1592 {
1593         int ret = 0;
1594
1595         if (WARN_ON(test_bit(role_id, wl->roc_map)))
1596                 return 0;
1597
1598         ret = wl12xx_cmd_roc(wl, role_id);
1599         if (ret < 0)
1600                 goto out;
1601
1602         ret = wl1271_cmd_wait_for_event(wl,
1603                                         REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID);
1604         if (ret < 0) {
1605                 wl1271_error("cmd roc event completion error");
1606                 goto out;
1607         }
1608
1609         __set_bit(role_id, wl->roc_map);
1610 out:
1611         return ret;
1612 }
1613
1614 int wl12xx_croc(struct wl1271 *wl, u8 role_id)
1615 {
1616         int ret = 0;
1617
1618         if (WARN_ON(!test_bit(role_id, wl->roc_map)))
1619                 return 0;
1620
1621         ret = wl12xx_cmd_croc(wl, role_id);
1622         if (ret < 0)
1623                 goto out;
1624
1625         __clear_bit(role_id, wl->roc_map);
1626 out:
1627         return ret;
1628 }