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 /* use this function to stop ibss as well */
 621 int wl12xx_cmd_role_stop_sta(struct wl1271 *wl)
 622 {
 623         struct wl12xx_cmd_role_stop *cmd;
 624         int ret;
 625
 626         if (WARN_ON(wl->sta_hlid == WL12XX_INVALID_LINK_ID))
 627                 return -EINVAL;
 628
 629         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 630         if (!cmd) {
 631                 ret = -ENOMEM;
 632                 goto out;
 633         }
 634
 635         wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wl->role_id);
 636
 637         cmd->role_id = wl->role_id;
 638         cmd->disc_type = DISCONNECT_IMMEDIATE;
 639         cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED);
 640
 641         ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0);
 642         if (ret < 0) {
 643                 wl1271_error("failed to initiate cmd role stop sta");
 644                 goto out_free;
 645         }
 646
 647         wl12xx_free_link(wl, &wl->sta_hlid);
 648
 649 out_free:
 650         kfree(cmd);
 651
 652 out:
 653         return ret;
 654 }
 655
 656 int wl12xx_cmd_role_start_ap(struct wl1271 *wl)
 657 {
 658         struct wl12xx_cmd_role_start *cmd;
 659         struct ieee80211_bss_conf *bss_conf = &wl->vif->bss_conf;
 660         int ret;
 661
 662         wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wl->role_id);
 663
 664         /*
 665          * We currently do not support hidden SSID. The real SSID
 666          * should be fetched from mac80211 first.
 667          */
 668         if (wl->ssid_len == 0) {
 669                 wl1271_warning("Hidden SSID currently not supported for AP");
 670                 ret = -EINVAL;
 671                 goto out;
 672         }
 673
 674         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 675         if (!cmd) {
 676                 ret = -ENOMEM;
 677                 goto out;
 678         }
 679
 680         ret = wl12xx_allocate_link(wl, &wl->ap_global_hlid);
 681         if (ret < 0)
 682                 goto out_free;
 683
 684         ret = wl12xx_allocate_link(wl, &wl->ap_bcast_hlid);
 685         if (ret < 0)
 686                 goto out_free_global;
 687
 688         cmd->role_id = wl->role_id;
 689         cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period);
 690         cmd->ap.bss_index = WL1271_AP_BSS_INDEX;
 691         cmd->ap.global_hlid = wl->ap_global_hlid;
 692         cmd->ap.broadcast_hlid = wl->ap_bcast_hlid;
 693         cmd->ap.basic_rate_set = cpu_to_le32(wl->basic_rate_set);
 694         cmd->ap.beacon_interval = cpu_to_le16(wl->beacon_int);
 695         cmd->ap.dtim_interval = bss_conf->dtim_period;
 696         cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP;
 697         cmd->channel = wl->channel;
 698         cmd->ap.ssid_len = wl->ssid_len;
 699         cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC;
 700         memcpy(cmd->ap.ssid, wl->ssid, wl->ssid_len);
 701         cmd->ap.local_rates = cpu_to_le32(0xffffffff);
 702
 703         switch (wl->band) {
 704         case IEEE80211_BAND_2GHZ:
 705                 cmd->band = RADIO_BAND_2_4GHZ;
 706                 break;
 707         case IEEE80211_BAND_5GHZ:
 708                 cmd->band = RADIO_BAND_5GHZ;
 709                 break;
 710         default:
 711                 wl1271_warning("ap start - unknown band: %d", (int)wl->band);
 712                 cmd->band = RADIO_BAND_2_4GHZ;
 713                 break;
 714         }
 715
 716         ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
 717         if (ret < 0) {
 718                 wl1271_error("failed to initiate cmd role start ap");
 719                 goto out_free_bcast;
 720         }
 721
 722         goto out_free;
 723
 724 out_free_bcast:
 725         wl12xx_free_link(wl, &wl->ap_bcast_hlid);
 726
 727 out_free_global:
 728         wl12xx_free_link(wl, &wl->ap_global_hlid);
 729
 730 out_free:
 731         kfree(cmd);
 732
 733 out:
 734         return ret;
 735 }
 736
 737 int wl12xx_cmd_role_stop_ap(struct wl1271 *wl)
 738 {
 739         struct wl12xx_cmd_role_stop *cmd;
 740         int ret;
 741
 742         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 743         if (!cmd) {
 744                 ret = -ENOMEM;
 745                 goto out;
 746         }
 747
 748         wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wl->role_id);
 749
 750         cmd->role_id = wl->role_id;
 751
 752         ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0);
 753         if (ret < 0) {
 754                 wl1271_error("failed to initiate cmd role stop ap");
 755                 goto out_free;
 756         }
 757
 758         wl12xx_free_link(wl, &wl->ap_bcast_hlid);
 759         wl12xx_free_link(wl, &wl->ap_global_hlid);
 760
 761 out_free:
 762         kfree(cmd);
 763
 764 out:
 765         return ret;
 766 }
 767
 768 int wl12xx_cmd_role_start_ibss(struct wl1271 *wl)
 769 {
 770         struct wl12xx_cmd_role_start *cmd;
 771         struct ieee80211_bss_conf *bss_conf = &wl->vif->bss_conf;
 772         int ret;
 773
 774         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 775         if (!cmd) {
 776                 ret = -ENOMEM;
 777                 goto out;
 778         }
 779
 780         wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wl->role_id);
 781
 782         cmd->role_id = wl->role_id;
 783         if (wl->band == IEEE80211_BAND_5GHZ)
 784                 cmd->band = WL12XX_BAND_5GHZ;
 785         cmd->channel = wl->channel;
 786         cmd->ibss.basic_rate_set = cpu_to_le32(wl->basic_rate_set);
 787         cmd->ibss.beacon_interval = cpu_to_le16(wl->beacon_int);
 788         cmd->ibss.dtim_interval = bss_conf->dtim_period;
 789         cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY;
 790         cmd->ibss.ssid_len = wl->ssid_len;
 791         memcpy(cmd->ibss.ssid, wl->ssid, wl->ssid_len);
 792         memcpy(cmd->ibss.bssid, wl->bssid, ETH_ALEN);
 793         cmd->sta.local_rates = cpu_to_le32(wl->rate_set);
 794
 795         if (wl->sta_hlid == WL12XX_INVALID_LINK_ID) {
 796                 ret = wl12xx_allocate_link(wl, &wl->sta_hlid);
 797                 if (ret)
 798                         goto out_free;
 799         }
 800         cmd->ibss.hlid = wl->sta_hlid;
 801         cmd->ibss.remote_rates = cpu_to_le32(wl->rate_set);
 802
 803         wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d "
 804                      "basic_rate_set: 0x%x, remote_rates: 0x%x",
 805                      wl->role_id, cmd->sta.hlid, cmd->sta.session,
 806                      wl->basic_rate_set, wl->rate_set);
 807
 808         wl1271_debug(DEBUG_CMD, "wl->bssid = %pM", wl->bssid);
 809
 810         ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0);
 811         if (ret < 0) {
 812                 wl1271_error("failed to initiate cmd role enable");
 813                 goto err_hlid;
 814         }
 815
 816         goto out_free;
 817
 818 err_hlid:
 819         /* clear links on error. */
 820         wl12xx_free_link(wl, &wl->sta_hlid);
 821
 822 out_free:
 823         kfree(cmd);
 824
 825 out:
 826         return ret;
 827 }
 828
 829
 830 /**
 831  * send test command to firmware
 832  *
 833  * @wl: wl struct
 834  * @buf: buffer containing the command, with all headers, must work with dma
 835  * @len: length of the buffer
 836  * @answer: is answer needed
 837  */
 838 int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
 839 {
 840         int ret;
 841         size_t res_len = 0;
 842
 843         wl1271_debug(DEBUG_CMD, "cmd test");
 844
 845         if (answer)
 846                 res_len = buf_len;
 847
 848         ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len);
 849
 850         if (ret < 0) {
 851                 wl1271_warning("TEST command failed");
 852                 return ret;
 853         }
 854
 855         return ret;
 856 }
 857
 858 /**
 859  * read acx from firmware
 860  *
 861  * @wl: wl struct
 862  * @id: acx id
 863  * @buf: buffer for the response, including all headers, must work with dma
 864  * @len: length of buf
 865  */
 866 int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
 867 {
 868         struct acx_header *acx = buf;
 869         int ret;
 870
 871         wl1271_debug(DEBUG_CMD, "cmd interrogate");
 872
 873         acx->id = cpu_to_le16(id);
 874
 875         /* payload length, does not include any headers */
 876         acx->len = cpu_to_le16(len - sizeof(*acx));
 877
 878         ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len);
 879         if (ret < 0)
 880                 wl1271_error("INTERROGATE command failed");
 881
 882         return ret;
 883 }
 884
 885 /**
 886  * write acx value to firmware
 887  *
 888  * @wl: wl struct
 889  * @id: acx id
 890  * @buf: buffer containing acx, including all headers, must work with dma
 891  * @len: length of buf
 892  */
 893 int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
 894 {
 895         struct acx_header *acx = buf;
 896         int ret;
 897
 898         wl1271_debug(DEBUG_CMD, "cmd configure");
 899
 900         acx->id = cpu_to_le16(id);
 901
 902         /* payload length, does not include any headers */
 903         acx->len = cpu_to_le16(len - sizeof(*acx));
 904
 905         ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0);
 906         if (ret < 0) {
 907                 wl1271_warning("CONFIGURE command NOK");
 908                 return ret;
 909         }
 910
 911         return 0;
 912 }
 913
 914 int wl1271_cmd_data_path(struct wl1271 *wl, bool enable)
 915 {
 916         struct cmd_enabledisable_path *cmd;
 917         int ret;
 918         u16 cmd_rx, cmd_tx;
 919
 920         wl1271_debug(DEBUG_CMD, "cmd data path");
 921
 922         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 923         if (!cmd) {
 924                 ret = -ENOMEM;
 925                 goto out;
 926         }
 927
 928         /* the channel here is only used for calibration, so hardcoded to 1 */
 929         cmd->channel = 1;
 930
 931         if (enable) {
 932                 cmd_rx = CMD_ENABLE_RX;
 933                 cmd_tx = CMD_ENABLE_TX;
 934         } else {
 935                 cmd_rx = CMD_DISABLE_RX;
 936                 cmd_tx = CMD_DISABLE_TX;
 937         }
 938
 939         ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0);
 940         if (ret < 0) {
 941                 wl1271_error("rx %s cmd for channel %d failed",
 942                              enable ? "start" : "stop", cmd->channel);
 943                 goto out;
 944         }
 945
 946         wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d",
 947                      enable ? "start" : "stop", cmd->channel);
 948
 949         ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0);
 950         if (ret < 0) {
 951                 wl1271_error("tx %s cmd for channel %d failed",
 952                              enable ? "start" : "stop", cmd->channel);
 953                 goto out;
 954         }
 955
 956         wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d",
 957                      enable ? "start" : "stop", cmd->channel);
 958
 959 out:
 960         kfree(cmd);
 961         return ret;
 962 }
 963
 964 int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode)
 965 {
 966         struct wl1271_cmd_ps_params *ps_params = NULL;
 967         int ret = 0;
 968
 969         wl1271_debug(DEBUG_CMD, "cmd set ps mode");
 970
 971         ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
 972         if (!ps_params) {
 973                 ret = -ENOMEM;
 974                 goto out;
 975         }
 976
 977         ps_params->role_id = wl->role_id;
 978         ps_params->ps_mode = ps_mode;
 979
 980         ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
 981                               sizeof(*ps_params), 0);
 982         if (ret < 0) {
 983                 wl1271_error("cmd set_ps_mode failed");
 984                 goto out;
 985         }
 986
 987 out:
 988         kfree(ps_params);
 989         return ret;
 990 }
 991
 992 int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
 993                             void *buf, size_t buf_len, int index, u32 rates)
 994 {
 995         struct wl1271_cmd_template_set *cmd;
 996         int ret = 0;
 997
 998         wl1271_debug(DEBUG_CMD, "cmd template_set %d", template_id);
 999
1000         WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE);
1001         buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE);
1002
1003         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1004         if (!cmd) {
1005                 ret = -ENOMEM;
1006                 goto out;
1007         }
1008
1009         cmd->len = cpu_to_le16(buf_len);
1010         cmd->template_type = template_id;
1011         cmd->enabled_rates = cpu_to_le32(rates);
1012         cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit;
1013         cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit;
1014         cmd->index = index;
1015
1016         if (buf)
1017                 memcpy(cmd->template_data, buf, buf_len);
1018
1019         ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0);
1020         if (ret < 0) {
1021                 wl1271_warning("cmd set_template failed: %d", ret);
1022                 goto out_free;
1023         }
1024
1025 out_free:
1026         kfree(cmd);
1027
1028 out:
1029         return ret;
1030 }
1031
1032 int wl1271_cmd_build_null_data(struct wl1271 *wl)
1033 {
1034         struct sk_buff *skb = NULL;
1035         int size;
1036         void *ptr;
1037         int ret = -ENOMEM;
1038
1039
1040         if (wl->bss_type == BSS_TYPE_IBSS) {
1041                 size = sizeof(struct wl12xx_null_data_template);
1042                 ptr = NULL;
1043         } else {
1044                 skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
1045                 if (!skb)
1046                         goto out;
1047                 size = skb->len;
1048                 ptr = skb->data;
1049         }
1050
1051         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size, 0,
1052                                       wl->basic_rate);
1053
1054 out:
1055         dev_kfree_skb(skb);
1056         if (ret)
1057                 wl1271_warning("cmd buld null data failed %d", ret);
1058
1059         return ret;
1060
1061 }
1062
1063 int wl1271_cmd_build_klv_null_data(struct wl1271 *wl)
1064 {
1065         struct sk_buff *skb = NULL;
1066         int ret = -ENOMEM;
1067
1068         skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
1069         if (!skb)
1070                 goto out;
1071
1072         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV,
1073                                       skb->data, skb->len,
1074                                       CMD_TEMPL_KLV_IDX_NULL_DATA,
1075                                       wl->basic_rate);
1076
1077 out:
1078         dev_kfree_skb(skb);
1079         if (ret)
1080                 wl1271_warning("cmd build klv null data failed %d", ret);
1081
1082         return ret;
1083
1084 }
1085
1086 int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
1087 {
1088         struct sk_buff *skb;
1089         int ret = 0;
1090
1091         skb = ieee80211_pspoll_get(wl->hw, wl->vif);
1092         if (!skb)
1093                 goto out;
1094
1095         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, skb->data,
1096                                       skb->len, 0, wl->basic_rate_set);
1097
1098 out:
1099         dev_kfree_skb(skb);
1100         return ret;
1101 }
1102
1103 int wl1271_cmd_build_probe_req(struct wl1271 *wl,
1104                                const u8 *ssid, size_t ssid_len,
1105                                const u8 *ie, size_t ie_len, u8 band)
1106 {
1107         struct sk_buff *skb;
1108         int ret;
1109
1110         skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
1111                                      ie, ie_len);
1112         if (!skb) {
1113                 ret = -ENOMEM;
1114                 goto out;
1115         }
1116
1117         wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
1118
1119         if (band == IEEE80211_BAND_2GHZ)
1120                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
1121                                               skb->data, skb->len, 0,
1122                                               wl->conf.tx.basic_rate);
1123         else
1124                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
1125                                               skb->data, skb->len, 0,
1126                                               wl->conf.tx.basic_rate_5);
1127
1128 out:
1129         dev_kfree_skb(skb);
1130         return ret;
1131 }
1132
1133 struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
1134                                               struct sk_buff *skb)
1135 {
1136         int ret;
1137
1138         if (!skb)
1139                 skb = ieee80211_ap_probereq_get(wl->hw, wl->vif);
1140         if (!skb)
1141                 goto out;
1142
1143         wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len);
1144
1145         if (wl->band == IEEE80211_BAND_2GHZ)
1146                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
1147                                               skb->data, skb->len, 0,
1148                                               wl->conf.tx.basic_rate);
1149         else
1150                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
1151                                               skb->data, skb->len, 0,
1152                                               wl->conf.tx.basic_rate_5);
1153
1154         if (ret < 0)
1155                 wl1271_error("Unable to set ap probe request template.");
1156
1157 out:
1158         return skb;
1159 }
1160
1161 int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr)
1162 {
1163         int ret;
1164         struct wl12xx_arp_rsp_template tmpl;
1165         struct ieee80211_hdr_3addr *hdr;
1166         struct arphdr *arp_hdr;
1167
1168         memset(&tmpl, 0, sizeof(tmpl));
1169
1170         /* mac80211 header */
1171         hdr = &tmpl.hdr;
1172         hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
1173                                          IEEE80211_STYPE_DATA |
1174                                          IEEE80211_FCTL_TODS);
1175         memcpy(hdr->addr1, wl->vif->bss_conf.bssid, ETH_ALEN);
1176         memcpy(hdr->addr2, wl->vif->addr, ETH_ALEN);
1177         memset(hdr->addr3, 0xff, ETH_ALEN);
1178
1179         /* llc layer */
1180         memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header));
1181         tmpl.llc_type = cpu_to_be16(ETH_P_ARP);
1182
1183         /* arp header */
1184         arp_hdr = &tmpl.arp_hdr;
1185         arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER);
1186         arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP);
1187         arp_hdr->ar_hln = ETH_ALEN;
1188         arp_hdr->ar_pln = 4;
1189         arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY);
1190
1191         /* arp payload */
1192         memcpy(tmpl.sender_hw, wl->vif->addr, ETH_ALEN);
1193         tmpl.sender_ip = ip_addr;
1194
1195         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP,
1196                                       &tmpl, sizeof(tmpl), 0,
1197                                       wl->basic_rate);
1198
1199         return ret;
1200 }
1201
1202 int wl1271_build_qos_null_data(struct wl1271 *wl)
1203 {
1204         struct ieee80211_qos_hdr template;
1205
1206         memset(&template, 0, sizeof(template));
1207
1208         memcpy(template.addr1, wl->bssid, ETH_ALEN);
1209         memcpy(template.addr2, wl->mac_addr, ETH_ALEN);
1210         memcpy(template.addr3, wl->bssid, ETH_ALEN);
1211
1212         template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
1213                                              IEEE80211_STYPE_QOS_NULLFUNC |
1214                                              IEEE80211_FCTL_TODS);
1215
1216         /* FIXME: not sure what priority to use here */
1217         template.qos_ctrl = cpu_to_le16(0);
1218
1219         return wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, &template,
1220                                        sizeof(template), 0,
1221                                        wl->basic_rate);
1222 }
1223
1224 int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid)
1225 {
1226         struct wl1271_cmd_set_keys *cmd;
1227         int ret = 0;
1228
1229         wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id);
1230
1231         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1232         if (!cmd) {
1233                 ret = -ENOMEM;
1234                 goto out;
1235         }
1236
1237         cmd->hlid = hlid;
1238         cmd->key_id = id;
1239         cmd->lid_key_type = WEP_DEFAULT_LID_TYPE;
1240         cmd->key_action = cpu_to_le16(KEY_SET_ID);
1241         cmd->key_type = KEY_WEP;
1242
1243         ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
1244         if (ret < 0) {
1245                 wl1271_warning("cmd set_default_wep_key failed: %d", ret);
1246                 goto out;
1247         }
1248
1249 out:
1250         kfree(cmd);
1251
1252         return ret;
1253 }
1254
1255 int wl1271_cmd_set_sta_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
1256                        u8 key_size, const u8 *key, const u8 *addr,
1257                        u32 tx_seq_32, u16 tx_seq_16)
1258 {
1259         struct wl1271_cmd_set_keys *cmd;
1260         int ret = 0;
1261
1262         /* hlid might have already been deleted */
1263         if (wl->sta_hlid == WL12XX_INVALID_LINK_ID)
1264                 return 0;
1265
1266         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1267         if (!cmd) {
1268                 ret = -ENOMEM;
1269                 goto out;
1270         }
1271
1272         cmd->hlid = wl->sta_hlid;
1273
1274         if (key_type == KEY_WEP)
1275                 cmd->lid_key_type = WEP_DEFAULT_LID_TYPE;
1276         else if (is_broadcast_ether_addr(addr))
1277                 cmd->lid_key_type = BROADCAST_LID_TYPE;
1278         else
1279                 cmd->lid_key_type = UNICAST_LID_TYPE;
1280
1281         cmd->key_action = cpu_to_le16(action);
1282         cmd->key_size = key_size;
1283         cmd->key_type = key_type;
1284
1285         cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
1286         cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
1287
1288         cmd->key_id = id;
1289
1290         if (key_type == KEY_TKIP) {
1291                 /*
1292                  * We get the key in the following form:
1293                  * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
1294                  * but the target is expecting:
1295                  * TKIP - RX MIC - TX MIC
1296                  */
1297                 memcpy(cmd->key, key, 16);
1298                 memcpy(cmd->key + 16, key + 24, 8);
1299                 memcpy(cmd->key + 24, key + 16, 8);
1300
1301         } else {
1302                 memcpy(cmd->key, key, key_size);
1303         }
1304
1305         wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd));
1306
1307         ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
1308         if (ret < 0) {
1309                 wl1271_warning("could not set keys");
1310         goto out;
1311         }
1312
1313 out:
1314         kfree(cmd);
1315
1316         return ret;
1317 }
1318
1319 /*
1320  * TODO: merge with sta/ibss into 1 set_key function.
1321  * note there are slight diffs
1322  */
1323 int wl1271_cmd_set_ap_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
1324                         u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
1325                         u16 tx_seq_16)
1326 {
1327         struct wl1271_cmd_set_keys *cmd;
1328         int ret = 0;
1329         u8 lid_type;
1330
1331         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1332         if (!cmd)
1333                 return -ENOMEM;
1334
1335         if (hlid == wl->ap_bcast_hlid) {
1336                 if (key_type == KEY_WEP)
1337                         lid_type = WEP_DEFAULT_LID_TYPE;
1338                 else
1339                         lid_type = BROADCAST_LID_TYPE;
1340         } else {
1341                 lid_type = UNICAST_LID_TYPE;
1342         }
1343
1344         wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d"
1345                      " hlid: %d", (int)action, (int)id, (int)lid_type,
1346                      (int)key_type, (int)hlid);
1347
1348         cmd->lid_key_type = lid_type;
1349         cmd->hlid = hlid;
1350         cmd->key_action = cpu_to_le16(action);
1351         cmd->key_size = key_size;
1352         cmd->key_type = key_type;
1353         cmd->key_id = id;
1354         cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
1355         cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
1356
1357         if (key_type == KEY_TKIP) {
1358                 /*
1359                  * We get the key in the following form:
1360                  * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
1361                  * but the target is expecting:
1362                  * TKIP - RX MIC - TX MIC
1363                  */
1364                 memcpy(cmd->key, key, 16);
1365                 memcpy(cmd->key + 16, key + 24, 8);
1366                 memcpy(cmd->key + 24, key + 16, 8);
1367         } else {
1368                 memcpy(cmd->key, key, key_size);
1369         }
1370
1371         wl1271_dump(DEBUG_CRYPT, "TARGET AP KEY: ", cmd, sizeof(*cmd));
1372
1373         ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
1374         if (ret < 0) {
1375                 wl1271_warning("could not set ap keys");
1376                 goto out;
1377         }
1378
1379 out:
1380         kfree(cmd);
1381         return ret;
1382 }
1383
1384 int wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid)
1385 {
1386         struct wl12xx_cmd_set_peer_state *cmd;
1387         int ret = 0;
1388
1389         wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid);
1390
1391         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1392         if (!cmd) {
1393                 ret = -ENOMEM;
1394                 goto out;
1395         }
1396
1397         cmd->hlid = hlid;
1398         cmd->state = WL1271_CMD_STA_STATE_CONNECTED;
1399
1400         ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0);
1401         if (ret < 0) {
1402                 wl1271_error("failed to send set peer state command");
1403                 goto out_free;
1404         }
1405
1406 out_free:
1407         kfree(cmd);
1408
1409 out:
1410         return ret;
1411 }
1412
1413 int wl12xx_cmd_add_peer(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid)
1414 {
1415         struct wl12xx_cmd_add_peer *cmd;
1416         int ret;
1417         u32 sta_rates;
1418
1419         wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid);
1420
1421         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1422         if (!cmd) {
1423                 ret = -ENOMEM;
1424                 goto out;
1425         }
1426
1427         /* currently we don't support UAPSD */
1428         cmd->sp_len = 0;
1429
1430         memcpy(cmd->addr, sta->addr, ETH_ALEN);
1431         cmd->bss_index = WL1271_AP_BSS_INDEX;
1432         cmd->aid = sta->aid;
1433         cmd->hlid = hlid;
1434         cmd->wmm = sta->wme ? 1 : 0;
1435
1436         sta_rates = sta->supp_rates[wl->band];
1437         if (sta->ht_cap.ht_supported)
1438                 sta_rates |= sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET;
1439
1440         cmd->supported_rates =
1441                 cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates));
1442
1443         wl1271_debug(DEBUG_CMD, "new peer rates: 0x%x", cmd->supported_rates);
1444
1445         ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0);
1446         if (ret < 0) {
1447                 wl1271_error("failed to initiate cmd add peer");
1448                 goto out_free;
1449         }
1450
1451 out_free:
1452         kfree(cmd);
1453
1454 out:
1455         return ret;
1456 }
1457
1458 int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid)
1459 {
1460         struct wl12xx_cmd_remove_peer *cmd;
1461         int ret;
1462
1463         wl1271_debug(DEBUG_CMD, "cmd remove peer %d", (int)hlid);
1464
1465         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1466         if (!cmd) {
1467                 ret = -ENOMEM;
1468                 goto out;
1469         }
1470
1471         cmd->hlid = hlid;
1472         /* We never send a deauth, mac80211 is in charge of this */
1473         cmd->reason_opcode = 0;
1474         cmd->send_deauth_flag = 0;
1475
1476         ret = wl1271_cmd_send(wl, CMD_REMOVE_PEER, cmd, sizeof(*cmd), 0);
1477         if (ret < 0) {
1478                 wl1271_error("failed to initiate cmd remove peer");
1479                 goto out_free;
1480         }
1481
1482         /*
1483          * We are ok with a timeout here. The event is sometimes not sent
1484          * due to a firmware bug.
1485          */
1486         wl1271_cmd_wait_for_event_or_timeout(wl,
1487                                              PEER_REMOVE_COMPLETE_EVENT_ID);
1488
1489 out_free:
1490         kfree(cmd);
1491
1492 out:
1493         return ret;
1494 }
1495
1496 int wl12xx_cmd_config_fwlog(struct wl1271 *wl)
1497 {
1498         struct wl12xx_cmd_config_fwlog *cmd;
1499         int ret = 0;
1500
1501         wl1271_debug(DEBUG_CMD, "cmd config firmware logger");
1502
1503         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1504         if (!cmd) {
1505                 ret = -ENOMEM;
1506                 goto out;
1507         }
1508
1509         cmd->logger_mode = wl->conf.fwlog.mode;
1510         cmd->log_severity = wl->conf.fwlog.severity;
1511         cmd->timestamp = wl->conf.fwlog.timestamp;
1512         cmd->output = wl->conf.fwlog.output;
1513         cmd->threshold = wl->conf.fwlog.threshold;
1514
1515         ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0);
1516         if (ret < 0) {
1517                 wl1271_error("failed to send config firmware logger command");
1518                 goto out_free;
1519         }
1520
1521 out_free:
1522         kfree(cmd);
1523
1524 out:
1525         return ret;
1526 }
1527
1528 int wl12xx_cmd_start_fwlog(struct wl1271 *wl)
1529 {
1530         struct wl12xx_cmd_start_fwlog *cmd;
1531         int ret = 0;
1532
1533         wl1271_debug(DEBUG_CMD, "cmd start firmware logger");
1534
1535         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1536         if (!cmd) {
1537                 ret = -ENOMEM;
1538                 goto out;
1539         }
1540
1541         ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0);
1542         if (ret < 0) {
1543                 wl1271_error("failed to send start firmware logger command");
1544                 goto out_free;
1545         }
1546
1547 out_free:
1548         kfree(cmd);
1549
1550 out:
1551         return ret;
1552 }
1553
1554 int wl12xx_cmd_stop_fwlog(struct wl1271 *wl)
1555 {
1556         struct wl12xx_cmd_stop_fwlog *cmd;
1557         int ret = 0;
1558
1559         wl1271_debug(DEBUG_CMD, "cmd stop firmware logger");
1560
1561         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1562         if (!cmd) {
1563                 ret = -ENOMEM;
1564                 goto out;
1565         }
1566
1567         ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0);
1568         if (ret < 0) {
1569                 wl1271_error("failed to send stop firmware logger command");
1570                 goto out_free;
1571         }
1572
1573 out_free:
1574         kfree(cmd);
1575
1576 out:
1577         return ret;
1578 }
1579
1580 static int wl12xx_cmd_roc(struct wl1271 *wl, u8 role_id)
1581 {
1582         struct wl12xx_cmd_roc *cmd;
1583         int ret = 0;
1584
1585         wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", wl->channel, role_id);
1586
1587         if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID))
1588                 return -EINVAL;
1589
1590         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1591         if (!cmd) {
1592                 ret = -ENOMEM;
1593                 goto out;
1594         }
1595
1596         cmd->role_id = role_id;
1597         cmd->channel = wl->channel;
1598         switch (wl->band) {
1599         case IEEE80211_BAND_2GHZ:
1600                 cmd->band = RADIO_BAND_2_4GHZ;
1601                 break;
1602         case IEEE80211_BAND_5GHZ:
1603                 cmd->band = RADIO_BAND_5GHZ;
1604                 break;
1605         default:
1606                 wl1271_error("roc - unknown band: %d", (int)wl->band);
1607                 ret = -EINVAL;
1608                 goto out_free;
1609         }
1610
1611
1612         ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0);
1613         if (ret < 0) {
1614                 wl1271_error("failed to send ROC command");
1615                 goto out_free;
1616         }
1617
1618 out_free:
1619         kfree(cmd);
1620
1621 out:
1622         return ret;
1623 }
1624
1625 static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id)
1626 {
1627         struct wl12xx_cmd_croc *cmd;
1628         int ret = 0;
1629
1630         wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id);
1631
1632         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
1633         if (!cmd) {
1634                 ret = -ENOMEM;
1635                 goto out;
1636         }
1637         cmd->role_id = role_id;
1638
1639         ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd,
1640                               sizeof(*cmd), 0);
1641         if (ret < 0) {
1642                 wl1271_error("failed to send ROC command");
1643                 goto out_free;
1644         }
1645
1646 out_free:
1647         kfree(cmd);
1648
1649 out:
1650         return ret;
1651 }
1652
1653 int wl12xx_roc(struct wl1271 *wl, u8 role_id)
1654 {
1655         int ret = 0;
1656
1657         if (WARN_ON(test_bit(role_id, wl->roc_map)))
1658                 return 0;
1659
1660         ret = wl12xx_cmd_roc(wl, role_id);
1661         if (ret < 0)
1662                 goto out;
1663
1664         ret = wl1271_cmd_wait_for_event(wl,
1665                                         REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID);
1666         if (ret < 0) {
1667                 wl1271_error("cmd roc event completion error");
1668                 goto out;
1669         }
1670
1671         __set_bit(role_id, wl->roc_map);
1672 out:
1673         return ret;
1674 }
1675
1676 int wl12xx_croc(struct wl1271 *wl, u8 role_id)
1677 {
1678         int ret = 0;
1679
1680         if (WARN_ON(!test_bit(role_id, wl->roc_map)))
1681                 return 0;
1682
1683         ret = wl12xx_cmd_croc(wl, role_id);
1684         if (ret < 0)
1685                 goto out;
1686
1687         __clear_bit(role_id, wl->roc_map);
1688 out:
1689         return ret;
1690 }