drivers/net/wireless/wl12xx/wl1271_cmd.c

   1 /*
   2  * This file is part of wl1271
   3  *
   4  * Copyright (C) 2009 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/crc7.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/etherdevice.h>
  29
  30 #include "wl1271.h"
  31 #include "wl1271_reg.h"
  32 #include "wl1271_spi.h"
  33 #include "wl1271_acx.h"
  34 #include "wl12xx_80211.h"
  35 #include "wl1271_cmd.h"
  36
  37 /*
  38  * send command to firmware
  39  *
  40  * @wl: wl struct
  41  * @id: command id
  42  * @buf: buffer containing the command, must work with dma
  43  * @len: length of the buffer
  44  */
  45 int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len)
  46 {
  47         struct wl1271_cmd_header *cmd;
  48         unsigned long timeout;
  49         u32 intr;
  50         int ret = 0;
  51
  52         cmd = buf;
  53         cmd->id = id;
  54         cmd->status = 0;
  55
  56         WARN_ON(len % 4 != 0);
  57
  58         wl1271_spi_mem_write(wl, wl->cmd_box_addr, buf, len);
  59
  60         wl1271_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
  61
  62         timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
  63
  64         intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
  65         while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) {
  66                 if (time_after(jiffies, timeout)) {
  67                         wl1271_error("command complete timeout");
  68                         ret = -ETIMEDOUT;
  69                         goto out;
  70                 }
  71
  72                 msleep(1);
  73
  74                 intr = wl1271_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
  75         }
  76
  77         wl1271_reg_write32(wl, ACX_REG_INTERRUPT_ACK,
  78                            WL1271_ACX_INTR_CMD_COMPLETE);
  79
  80 out:
  81         return ret;
  82 }
  83
  84 int wl1271_cmd_cal_channel_tune(struct wl1271 *wl)
  85 {
  86         struct wl1271_cmd_cal_channel_tune *cmd;
  87         int ret = 0;
  88
  89         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
  90         if (!cmd)
  91                 return -ENOMEM;
  92
  93         cmd->test.id = TEST_CMD_CHANNEL_TUNE;
  94
  95         cmd->band = WL1271_CHANNEL_TUNE_BAND_2_4;
  96         /* set up any channel, 7 is in the middle of the range */
  97         cmd->channel = 7;
  98
  99         ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0);
 100         if (ret < 0)
 101                 wl1271_warning("TEST_CMD_CHANNEL_TUNE failed");
 102
 103         kfree(cmd);
 104         return ret;
 105 }
 106
 107 int wl1271_cmd_cal_update_ref_point(struct wl1271 *wl)
 108 {
 109         struct wl1271_cmd_cal_update_ref_point *cmd;
 110         int ret = 0;
 111
 112         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 113         if (!cmd)
 114                 return -ENOMEM;
 115
 116         cmd->test.id = TEST_CMD_UPDATE_PD_REFERENCE_POINT;
 117
 118         /* FIXME: still waiting for the correct values */
 119         cmd->ref_power    = 0;
 120         cmd->ref_detector = 0;
 121
 122         cmd->sub_band     = WL1271_PD_REFERENCE_POINT_BAND_B_G;
 123
 124         ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0);
 125         if (ret < 0)
 126                 wl1271_warning("TEST_CMD_UPDATE_PD_REFERENCE_POINT failed");
 127
 128         kfree(cmd);
 129         return ret;
 130 }
 131
 132 int wl1271_cmd_cal_p2g(struct wl1271 *wl)
 133 {
 134         struct wl1271_cmd_cal_p2g *cmd;
 135         int ret = 0;
 136
 137         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 138         if (!cmd)
 139                 return -ENOMEM;
 140
 141         cmd->test.id = TEST_CMD_P2G_CAL;
 142
 143         cmd->sub_band_mask = WL1271_CAL_P2G_BAND_B_G;
 144
 145         ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0);
 146         if (ret < 0)
 147                 wl1271_warning("TEST_CMD_P2G_CAL failed");
 148
 149         kfree(cmd);
 150         return ret;
 151 }
 152
 153 int wl1271_cmd_cal(struct wl1271 *wl)
 154 {
 155         /*
 156          * FIXME: we must make sure that we're not sleeping when calibration
 157          * is done
 158          */
 159         int ret;
 160
 161         wl1271_notice("performing tx calibration");
 162
 163         ret = wl1271_cmd_cal_channel_tune(wl);
 164         if (ret < 0)
 165                 return ret;
 166
 167         ret = wl1271_cmd_cal_update_ref_point(wl);
 168         if (ret < 0)
 169                 return ret;
 170
 171         ret = wl1271_cmd_cal_p2g(wl);
 172         if (ret < 0)
 173                 return ret;
 174
 175         return ret;
 176 }
 177
 178 int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type, u8 dtim_interval,
 179                     u16 beacon_interval, u8 wait)
 180 {
 181         static bool do_cal = true;
 182         unsigned long timeout;
 183         struct wl1271_cmd_join *join;
 184         int ret, i;
 185         u8 *bssid;
 186
 187         /* FIXME: remove when we get calibration from the factory */
 188         if (do_cal) {
 189                 ret = wl1271_cmd_cal(wl);
 190                 if (ret < 0)
 191                         wl1271_warning("couldn't calibrate");
 192                 else
 193                         do_cal = false;
 194         }
 195
 196
 197         join = kzalloc(sizeof(*join), GFP_KERNEL);
 198         if (!join) {
 199                 ret = -ENOMEM;
 200                 goto out;
 201         }
 202
 203         wl1271_debug(DEBUG_CMD, "cmd join");
 204
 205         /* Reverse order BSSID */
 206         bssid = (u8 *) &join->bssid_lsb;
 207         for (i = 0; i < ETH_ALEN; i++)
 208                 bssid[i] = wl->bssid[ETH_ALEN - i - 1];
 209
 210         join->rx_config_options = wl->rx_config;
 211         join->rx_filter_options = wl->rx_filter;
 212
 213         join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS |
 214                 RATE_MASK_5_5MBPS | RATE_MASK_11MBPS;
 215
 216         join->beacon_interval = beacon_interval;
 217         join->dtim_interval = dtim_interval;
 218         join->bss_type = bss_type;
 219         join->channel = wl->channel;
 220         join->ssid_len = wl->ssid_len;
 221         memcpy(join->ssid, wl->ssid, wl->ssid_len);
 222         join->ctrl = WL1271_JOIN_CMD_CTRL_TX_FLUSH;
 223
 224         /* increment the session counter */
 225         wl->session_counter++;
 226         if (wl->session_counter >= SESSION_COUNTER_MAX)
 227                 wl->session_counter = 0;
 228
 229         join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;
 230
 231
 232         ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join));
 233         if (ret < 0) {
 234                 wl1271_error("failed to initiate cmd join");
 235                 goto out_free;
 236         }
 237
 238         timeout = msecs_to_jiffies(JOIN_TIMEOUT);
 239
 240         /*
 241          * ugly hack: we should wait for JOIN_EVENT_COMPLETE_ID but to
 242          * simplify locking we just sleep instead, for now
 243          */
 244         if (wait)
 245                 msleep(10);
 246
 247 out_free:
 248         kfree(join);
 249
 250 out:
 251         return ret;
 252 }
 253
 254 /**
 255  * send test command to firmware
 256  *
 257  * @wl: wl struct
 258  * @buf: buffer containing the command, with all headers, must work with dma
 259  * @len: length of the buffer
 260  * @answer: is answer needed
 261  */
 262 int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
 263 {
 264         int ret;
 265
 266         wl1271_debug(DEBUG_CMD, "cmd test");
 267
 268         ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len);
 269
 270         if (ret < 0) {
 271                 wl1271_warning("TEST command failed");
 272                 return ret;
 273         }
 274
 275         if (answer) {
 276                 struct wl1271_command *cmd_answer;
 277
 278                 /*
 279                  * The test command got in, we can read the answer.
 280                  * The answer would be a wl1271_command, where the
 281                  * parameter array contains the actual answer.
 282                  */
 283                 wl1271_spi_mem_read(wl, wl->cmd_box_addr, buf, buf_len);
 284
 285                 cmd_answer = buf;
 286
 287                 if (cmd_answer->header.status != CMD_STATUS_SUCCESS)
 288                         wl1271_error("TEST command answer error: %d",
 289                                      cmd_answer->header.status);
 290         }
 291
 292         return 0;
 293 }
 294
 295 /**
 296  * read acx from firmware
 297  *
 298  * @wl: wl struct
 299  * @id: acx id
 300  * @buf: buffer for the response, including all headers, must work with dma
 301  * @len: lenght of buf
 302  */
 303 int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
 304 {
 305         struct acx_header *acx = buf;
 306         int ret;
 307
 308         wl1271_debug(DEBUG_CMD, "cmd interrogate");
 309
 310         acx->id = id;
 311
 312         /* payload length, does not include any headers */
 313         acx->len = len - sizeof(*acx);
 314
 315         ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx));
 316         if (ret < 0) {
 317                 wl1271_error("INTERROGATE command failed");
 318                 goto out;
 319         }
 320
 321         /* the interrogate command got in, we can read the answer */
 322         wl1271_spi_mem_read(wl, wl->cmd_box_addr, buf, len);
 323
 324         acx = buf;
 325         if (acx->cmd.status != CMD_STATUS_SUCCESS)
 326                 wl1271_error("INTERROGATE command error: %d",
 327                              acx->cmd.status);
 328
 329 out:
 330         return ret;
 331 }
 332
 333 /**
 334  * write acx value to firmware
 335  *
 336  * @wl: wl struct
 337  * @id: acx id
 338  * @buf: buffer containing acx, including all headers, must work with dma
 339  * @len: length of buf
 340  */
 341 int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
 342 {
 343         struct acx_header *acx = buf;
 344         int ret;
 345
 346         wl1271_debug(DEBUG_CMD, "cmd configure");
 347
 348         acx->id = id;
 349
 350         /* payload length, does not include any headers */
 351         acx->len = len - sizeof(*acx);
 352
 353         ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len);
 354         if (ret < 0) {
 355                 wl1271_warning("CONFIGURE command NOK");
 356                 return ret;
 357         }
 358
 359         return 0;
 360 }
 361
 362 int wl1271_cmd_data_path(struct wl1271 *wl, u8 channel, bool enable)
 363 {
 364         struct cmd_enabledisable_path *cmd;
 365         int ret;
 366         u16 cmd_rx, cmd_tx;
 367
 368         wl1271_debug(DEBUG_CMD, "cmd data path");
 369
 370         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 371         if (!cmd) {
 372                 ret = -ENOMEM;
 373                 goto out;
 374         }
 375
 376         cmd->channel = channel;
 377
 378         if (enable) {
 379                 cmd_rx = CMD_ENABLE_RX;
 380                 cmd_tx = CMD_ENABLE_TX;
 381         } else {
 382                 cmd_rx = CMD_DISABLE_RX;
 383                 cmd_tx = CMD_DISABLE_TX;
 384         }
 385
 386         ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd));
 387         if (ret < 0) {
 388                 wl1271_error("rx %s cmd for channel %d failed",
 389                              enable ? "start" : "stop", channel);
 390                 goto out;
 391         }
 392
 393         wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d",
 394                      enable ? "start" : "stop", channel);
 395
 396         ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd));
 397         if (ret < 0) {
 398                 wl1271_error("tx %s cmd for channel %d failed",
 399                              enable ? "start" : "stop", channel);
 400                 return ret;
 401         }
 402
 403         wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d",
 404                      enable ? "start" : "stop", channel);
 405
 406 out:
 407         kfree(cmd);
 408         return ret;
 409 }
 410
 411 int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode)
 412 {
 413         struct wl1271_cmd_ps_params *ps_params = NULL;
 414         int ret = 0;
 415
 416         /* FIXME: this should be in ps.c */
 417         ret = wl1271_acx_wake_up_conditions(wl, WAKE_UP_EVENT_DTIM_BITMAP,
 418                                             wl->listen_int);
 419         if (ret < 0) {
 420                 wl1271_error("couldn't set wake up conditions");
 421                 goto out;
 422         }
 423
 424         wl1271_debug(DEBUG_CMD, "cmd set ps mode");
 425
 426         ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
 427         if (!ps_params) {
 428                 ret = -ENOMEM;
 429                 goto out;
 430         }
 431
 432         ps_params->ps_mode = ps_mode;
 433         ps_params->send_null_data = 1;
 434         ps_params->retries = 5;
 435         ps_params->hang_over_period = 128;
 436         ps_params->null_data_rate = 1; /* 1 Mbps */
 437
 438         ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
 439                               sizeof(*ps_params));
 440         if (ret < 0) {
 441                 wl1271_error("cmd set_ps_mode failed");
 442                 goto out;
 443         }
 444
 445 out:
 446         kfree(ps_params);
 447         return ret;
 448 }
 449
 450 int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
 451                            size_t len)
 452 {
 453         struct cmd_read_write_memory *cmd;
 454         int ret = 0;
 455
 456         wl1271_debug(DEBUG_CMD, "cmd read memory");
 457
 458         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 459         if (!cmd) {
 460                 ret = -ENOMEM;
 461                 goto out;
 462         }
 463
 464         WARN_ON(len > MAX_READ_SIZE);
 465         len = min_t(size_t, len, MAX_READ_SIZE);
 466
 467         cmd->addr = addr;
 468         cmd->size = len;
 469
 470         ret = wl1271_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd));
 471         if (ret < 0) {
 472                 wl1271_error("read memory command failed: %d", ret);
 473                 goto out;
 474         }
 475
 476         /* the read command got in, we can now read the answer */
 477         wl1271_spi_mem_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd));
 478
 479         if (cmd->header.status != CMD_STATUS_SUCCESS)
 480                 wl1271_error("error in read command result: %d",
 481                              cmd->header.status);
 482
 483         memcpy(answer, cmd->value, len);
 484
 485 out:
 486         kfree(cmd);
 487         return ret;
 488 }
 489
 490 int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
 491                     u8 active_scan, u8 high_prio, u8 num_channels,
 492                     u8 probe_requests)
 493 {
 494
 495         struct wl1271_cmd_trigger_scan_to *trigger = NULL;
 496         struct wl1271_cmd_scan *params = NULL;
 497         int i, ret;
 498         u16 scan_options = 0;
 499
 500         if (wl->scanning)
 501                 return -EINVAL;
 502
 503         params = kzalloc(sizeof(*params), GFP_KERNEL);
 504         if (!params)
 505                 return -ENOMEM;
 506
 507         params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD);
 508         params->params.rx_filter_options =
 509                 cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN);
 510
 511         if (!active_scan)
 512                 scan_options |= WL1271_SCAN_OPT_PASSIVE;
 513         if (high_prio)
 514                 scan_options |= WL1271_SCAN_OPT_PRIORITY_HIGH;
 515         params->params.scan_options = scan_options;
 516
 517         params->params.num_channels = num_channels;
 518         params->params.num_probe_requests = probe_requests;
 519         params->params.tx_rate = cpu_to_le32(RATE_MASK_2MBPS);
 520         params->params.tid_trigger = 0;
 521         params->params.scan_tag = WL1271_SCAN_DEFAULT_TAG;
 522
 523         for (i = 0; i < num_channels; i++) {
 524                 params->channels[i].min_duration =
 525                         cpu_to_le32(WL1271_SCAN_CHAN_MIN_DURATION);
 526                 params->channels[i].max_duration =
 527                         cpu_to_le32(WL1271_SCAN_CHAN_MAX_DURATION);
 528                 memset(&params->channels[i].bssid_lsb, 0xff, 4);
 529                 memset(&params->channels[i].bssid_msb, 0xff, 2);
 530                 params->channels[i].early_termination = 0;
 531                 params->channels[i].tx_power_att = WL1271_SCAN_CURRENT_TX_PWR;
 532                 params->channels[i].channel = i + 1;
 533         }
 534
 535         if (len && ssid) {
 536                 params->params.ssid_len = len;
 537                 memcpy(params->params.ssid, ssid, len);
 538         }
 539
 540         ret = wl1271_cmd_build_probe_req(wl, ssid, len);
 541         if (ret < 0) {
 542                 wl1271_error("PROBE request template failed");
 543                 goto out;
 544         }
 545
 546         trigger = kzalloc(sizeof(*trigger), GFP_KERNEL);
 547         if (!trigger) {
 548                 ret = -ENOMEM;
 549                 goto out;
 550         }
 551
 552         /* disable the timeout */
 553         trigger->timeout = 0;
 554
 555         ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger,
 556                               sizeof(*trigger));
 557         if (ret < 0) {
 558                 wl1271_error("trigger scan to failed for hw scan");
 559                 goto out;
 560         }
 561
 562         wl1271_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params));
 563
 564         wl->scanning = true;
 565
 566         ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params));
 567         if (ret < 0) {
 568                 wl1271_error("SCAN failed");
 569                 goto out;
 570         }
 571
 572         wl1271_spi_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params));
 573
 574         if (params->header.status != CMD_STATUS_SUCCESS) {
 575                 wl1271_error("Scan command error: %d",
 576                              params->header.status);
 577                 wl->scanning = false;
 578                 ret = -EIO;
 579                 goto out;
 580         }
 581
 582 out:
 583         kfree(params);
 584         return ret;
 585 }
 586
 587 int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
 588                             void *buf, size_t buf_len)
 589 {
 590         struct wl1271_cmd_template_set *cmd;
 591         int ret = 0;
 592
 593         wl1271_debug(DEBUG_CMD, "cmd template_set %d", template_id);
 594
 595         WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE);
 596         buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE);
 597
 598         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 599         if (!cmd) {
 600                 ret = -ENOMEM;
 601                 goto out;
 602         }
 603
 604         cmd->len = cpu_to_le16(buf_len);
 605         cmd->template_type = template_id;
 606         cmd->enabled_rates = ACX_RATE_MASK_UNSPECIFIED;
 607         cmd->short_retry_limit = ACX_RATE_RETRY_LIMIT;
 608         cmd->long_retry_limit = ACX_RATE_RETRY_LIMIT;
 609
 610         if (buf)
 611                 memcpy(cmd->template_data, buf, buf_len);
 612
 613         ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd));
 614         if (ret < 0) {
 615                 wl1271_warning("cmd set_template failed: %d", ret);
 616                 goto out_free;
 617         }
 618
 619 out_free:
 620         kfree(cmd);
 621
 622 out:
 623         return ret;
 624 }
 625
 626 static int wl1271_build_basic_rates(char *rates)
 627 {
 628         u8 index = 0;
 629
 630         rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
 631         rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
 632         rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
 633         rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
 634
 635         return index;
 636 }
 637
 638 static int wl1271_build_extended_rates(char *rates)
 639 {
 640         u8 index = 0;
 641
 642         rates[index++] = IEEE80211_OFDM_RATE_6MB;
 643         rates[index++] = IEEE80211_OFDM_RATE_9MB;
 644         rates[index++] = IEEE80211_OFDM_RATE_12MB;
 645         rates[index++] = IEEE80211_OFDM_RATE_18MB;
 646         rates[index++] = IEEE80211_OFDM_RATE_24MB;
 647         rates[index++] = IEEE80211_OFDM_RATE_36MB;
 648         rates[index++] = IEEE80211_OFDM_RATE_48MB;
 649         rates[index++] = IEEE80211_OFDM_RATE_54MB;
 650
 651         return index;
 652 }
 653
 654 int wl1271_cmd_build_null_data(struct wl1271 *wl)
 655 {
 656         struct wl12xx_null_data_template template;
 657
 658         if (!is_zero_ether_addr(wl->bssid)) {
 659                 memcpy(template.header.da, wl->bssid, ETH_ALEN);
 660                 memcpy(template.header.bssid, wl->bssid, ETH_ALEN);
 661         } else {
 662                 memset(template.header.da, 0xff, ETH_ALEN);
 663                 memset(template.header.bssid, 0xff, ETH_ALEN);
 664         }
 665
 666         memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
 667         template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
 668                                                 IEEE80211_STYPE_NULLFUNC);
 669
 670         return wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, &template,
 671                                        sizeof(template));
 672
 673 }
 674
 675 int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
 676 {
 677         struct wl12xx_ps_poll_template template;
 678
 679         memcpy(template.bssid, wl->bssid, ETH_ALEN);
 680         memcpy(template.ta, wl->mac_addr, ETH_ALEN);
 681         template.aid = aid;
 682         template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 683
 684         return wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, &template,
 685                                        sizeof(template));
 686
 687 }
 688
 689 int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len)
 690 {
 691         struct wl12xx_probe_req_template template;
 692         struct wl12xx_ie_rates *rates;
 693         char *ptr;
 694         u16 size;
 695
 696         ptr = (char *)&template;
 697         size = sizeof(struct ieee80211_header);
 698
 699         memset(template.header.da, 0xff, ETH_ALEN);
 700         memset(template.header.bssid, 0xff, ETH_ALEN);
 701         memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
 702         template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
 703
 704         /* IEs */
 705         /* SSID */
 706         template.ssid.header.id = WLAN_EID_SSID;
 707         template.ssid.header.len = ssid_len;
 708         if (ssid_len && ssid)
 709                 memcpy(template.ssid.ssid, ssid, ssid_len);
 710         size += sizeof(struct wl12xx_ie_header) + ssid_len;
 711         ptr += size;
 712
 713         /* Basic Rates */
 714         rates = (struct wl12xx_ie_rates *)ptr;
 715         rates->header.id = WLAN_EID_SUPP_RATES;
 716         rates->header.len = wl1271_build_basic_rates(rates->rates);
 717         size += sizeof(struct wl12xx_ie_header) + rates->header.len;
 718         ptr += sizeof(struct wl12xx_ie_header) + rates->header.len;
 719
 720         /* Extended rates */
 721         rates = (struct wl12xx_ie_rates *)ptr;
 722         rates->header.id = WLAN_EID_EXT_SUPP_RATES;
 723         rates->header.len = wl1271_build_extended_rates(rates->rates);
 724         size += sizeof(struct wl12xx_ie_header) + rates->header.len;
 725
 726         wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size);
 727
 728         return wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
 729                                        &template, size);
 730 }
 731
 732 int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id)
 733 {
 734         struct wl1271_cmd_set_keys *cmd;
 735         int ret = 0;
 736
 737         wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id);
 738
 739         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 740         if (!cmd) {
 741                 ret = -ENOMEM;
 742                 goto out;
 743         }
 744
 745         cmd->id = id;
 746         cmd->key_action = KEY_SET_ID;
 747         cmd->key_type = KEY_WEP;
 748
 749         ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd));
 750         if (ret < 0) {
 751                 wl1271_warning("cmd set_default_wep_key failed: %d", ret);
 752                 goto out;
 753         }
 754
 755 out:
 756         kfree(cmd);
 757
 758         return ret;
 759 }
 760
 761 int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
 762                        u8 key_size, const u8 *key, const u8 *addr)
 763 {
 764         struct wl1271_cmd_set_keys *cmd;
 765         int ret = 0;
 766
 767         cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 768         if (!cmd) {
 769                 ret = -ENOMEM;
 770                 goto out;
 771         }
 772
 773         if (key_type != KEY_WEP)
 774                 memcpy(cmd->addr, addr, ETH_ALEN);
 775
 776         cmd->key_action = action;
 777         cmd->key_size = key_size;
 778         cmd->key_type = key_type;
 779
 780         /* we have only one SSID profile */
 781         cmd->ssid_profile = 0;
 782
 783         cmd->id = id;
 784
 785         /* FIXME: this is from wl1251, needs to be checked */
 786         if (key_type == KEY_TKIP) {
 787                 /*
 788                  * We get the key in the following form:
 789                  * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
 790                  * but the target is expecting:
 791                  * TKIP - RX MIC - TX MIC
 792                  */
 793                 memcpy(cmd->key, key, 16);
 794                 memcpy(cmd->key + 16, key + 24, 8);
 795                 memcpy(cmd->key + 24, key + 16, 8);
 796
 797         } else {
 798                 memcpy(cmd->key, key, key_size);
 799         }
 800
 801         wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd));
 802
 803         ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd));
 804         if (ret < 0) {
 805                 wl1271_warning("could not set keys");
 806                 goto out;
 807         }
 808
 809 out:
 810         kfree(cmd);
 811
 812         return ret;
 813 }