drivers/net/wireless/wl12xx/wl1271_acx.c

   1 /*
   2  * This file is part of wl1271
   3  *
   4  * Copyright (C) 2008-2009 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 "wl1271_acx.h"
  25
  26 #include <linux/module.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/crc7.h>
  29 #include <linux/spi/spi.h>
  30
  31 #include "wl1271.h"
  32 #include "wl12xx_80211.h"
  33 #include "wl1271_reg.h"
  34 #include "wl1271_spi.h"
  35 #include "wl1271_ps.h"
  36
  37 int wl1271_acx_wake_up_conditions(struct wl1271 *wl, u8 wake_up_event,
  38                                   u8 listen_interval)
  39 {
  40         struct acx_wake_up_condition *wake_up;
  41         int ret;
  42
  43         wl1271_debug(DEBUG_ACX, "acx wake up conditions");
  44
  45         wake_up = kzalloc(sizeof(*wake_up), GFP_KERNEL);
  46         if (!wake_up) {
  47                 ret = -ENOMEM;
  48                 goto out;
  49         }
  50
  51         wake_up->wake_up_event = wake_up_event;
  52         wake_up->listen_interval = listen_interval;
  53
  54         ret = wl1271_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS,
  55                                    wake_up, sizeof(*wake_up));
  56         if (ret < 0) {
  57                 wl1271_warning("could not set wake up conditions: %d", ret);
  58                 goto out;
  59         }
  60
  61 out:
  62         kfree(wake_up);
  63         return ret;
  64 }
  65
  66 int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
  67 {
  68         struct acx_sleep_auth *auth;
  69         int ret;
  70
  71         wl1271_debug(DEBUG_ACX, "acx sleep auth");
  72
  73         auth = kzalloc(sizeof(*auth), GFP_KERNEL);
  74         if (!auth) {
  75                 ret = -ENOMEM;
  76                 goto out;
  77         }
  78
  79         auth->sleep_auth = sleep_auth;
  80
  81         ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
  82         if (ret < 0)
  83                 return ret;
  84
  85 out:
  86         kfree(auth);
  87         return ret;
  88 }
  89
  90 int wl1271_acx_fw_version(struct wl1271 *wl, char *buf, size_t len)
  91 {
  92         struct acx_revision *rev;
  93         int ret;
  94
  95         wl1271_debug(DEBUG_ACX, "acx fw rev");
  96
  97         rev = kzalloc(sizeof(*rev), GFP_KERNEL);
  98         if (!rev) {
  99                 ret = -ENOMEM;
 100                 goto out;
 101         }
 102
 103         ret = wl1271_cmd_interrogate(wl, ACX_FW_REV, rev, sizeof(*rev));
 104         if (ret < 0) {
 105                 wl1271_warning("ACX_FW_REV interrogate failed");
 106                 goto out;
 107         }
 108
 109         /* be careful with the buffer sizes */
 110         strncpy(buf, rev->fw_version, min(len, sizeof(rev->fw_version)));
 111
 112         /*
 113          * if the firmware version string is exactly
 114          * sizeof(rev->fw_version) long or fw_len is less than
 115          * sizeof(rev->fw_version) it won't be null terminated
 116          */
 117         buf[min(len, sizeof(rev->fw_version)) - 1] = '\0';
 118
 119 out:
 120         kfree(rev);
 121         return ret;
 122 }
 123
 124 int wl1271_acx_tx_power(struct wl1271 *wl, int power)
 125 {
 126         struct acx_current_tx_power *acx;
 127         int ret;
 128
 129         wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr");
 130
 131         if (power < 0 || power > 25)
 132                 return -EINVAL;
 133
 134         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 135         if (!acx) {
 136                 ret = -ENOMEM;
 137                 goto out;
 138         }
 139
 140         acx->current_tx_power = power * 10;
 141
 142         ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx));
 143         if (ret < 0) {
 144                 wl1271_warning("configure of tx power failed: %d", ret);
 145                 goto out;
 146         }
 147
 148 out:
 149         kfree(acx);
 150         return ret;
 151 }
 152
 153 int wl1271_acx_feature_cfg(struct wl1271 *wl)
 154 {
 155         struct acx_feature_config *feature;
 156         int ret;
 157
 158         wl1271_debug(DEBUG_ACX, "acx feature cfg");
 159
 160         feature = kzalloc(sizeof(*feature), GFP_KERNEL);
 161         if (!feature) {
 162                 ret = -ENOMEM;
 163                 goto out;
 164         }
 165
 166         /* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */
 167         feature->data_flow_options = 0;
 168         feature->options = 0;
 169
 170         ret = wl1271_cmd_configure(wl, ACX_FEATURE_CFG,
 171                                    feature, sizeof(*feature));
 172         if (ret < 0) {
 173                 wl1271_error("Couldnt set HW encryption");
 174                 goto out;
 175         }
 176
 177 out:
 178         kfree(feature);
 179         return ret;
 180 }
 181
 182 int wl1271_acx_mem_map(struct wl1271 *wl, struct acx_header *mem_map,
 183                        size_t len)
 184 {
 185         int ret;
 186
 187         wl1271_debug(DEBUG_ACX, "acx mem map");
 188
 189         ret = wl1271_cmd_interrogate(wl, ACX_MEM_MAP, mem_map, len);
 190         if (ret < 0)
 191                 return ret;
 192
 193         return 0;
 194 }
 195
 196 int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl, u32 life_time)
 197 {
 198         struct acx_rx_msdu_lifetime *acx;
 199         int ret;
 200
 201         wl1271_debug(DEBUG_ACX, "acx rx msdu life time");
 202
 203         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 204         if (!acx) {
 205                 ret = -ENOMEM;
 206                 goto out;
 207         }
 208
 209         acx->lifetime = life_time;
 210         ret = wl1271_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
 211                                    acx, sizeof(*acx));
 212         if (ret < 0) {
 213                 wl1271_warning("failed to set rx msdu life time: %d", ret);
 214                 goto out;
 215         }
 216
 217 out:
 218         kfree(acx);
 219         return ret;
 220 }
 221
 222 int wl1271_acx_rx_config(struct wl1271 *wl, u32 config, u32 filter)
 223 {
 224         struct acx_rx_config *rx_config;
 225         int ret;
 226
 227         wl1271_debug(DEBUG_ACX, "acx rx config");
 228
 229         rx_config = kzalloc(sizeof(*rx_config), GFP_KERNEL);
 230         if (!rx_config) {
 231                 ret = -ENOMEM;
 232                 goto out;
 233         }
 234
 235         rx_config->config_options = config;
 236         rx_config->filter_options = filter;
 237
 238         ret = wl1271_cmd_configure(wl, ACX_RX_CFG,
 239                                    rx_config, sizeof(*rx_config));
 240         if (ret < 0) {
 241                 wl1271_warning("failed to set rx config: %d", ret);
 242                 goto out;
 243         }
 244
 245 out:
 246         kfree(rx_config);
 247         return ret;
 248 }
 249
 250 int wl1271_acx_pd_threshold(struct wl1271 *wl)
 251 {
 252         struct acx_packet_detection *pd;
 253         int ret;
 254
 255         wl1271_debug(DEBUG_ACX, "acx data pd threshold");
 256
 257         pd = kzalloc(sizeof(*pd), GFP_KERNEL);
 258         if (!pd) {
 259                 ret = -ENOMEM;
 260                 goto out;
 261         }
 262
 263         /* FIXME: threshold value not set */
 264
 265         ret = wl1271_cmd_configure(wl, ACX_PD_THRESHOLD, pd, sizeof(*pd));
 266         if (ret < 0) {
 267                 wl1271_warning("failed to set pd threshold: %d", ret);
 268                 goto out;
 269         }
 270
 271 out:
 272         kfree(pd);
 273         return 0;
 274 }
 275
 276 int wl1271_acx_slot(struct wl1271 *wl, enum acx_slot_type slot_time)
 277 {
 278         struct acx_slot *slot;
 279         int ret;
 280
 281         wl1271_debug(DEBUG_ACX, "acx slot");
 282
 283         slot = kzalloc(sizeof(*slot), GFP_KERNEL);
 284         if (!slot) {
 285                 ret = -ENOMEM;
 286                 goto out;
 287         }
 288
 289         slot->wone_index = STATION_WONE_INDEX;
 290         slot->slot_time = slot_time;
 291
 292         ret = wl1271_cmd_configure(wl, ACX_SLOT, slot, sizeof(*slot));
 293         if (ret < 0) {
 294                 wl1271_warning("failed to set slot time: %d", ret);
 295                 goto out;
 296         }
 297
 298 out:
 299         kfree(slot);
 300         return ret;
 301 }
 302
 303 int wl1271_acx_group_address_tbl(struct wl1271 *wl)
 304 {
 305         struct acx_dot11_grp_addr_tbl *acx;
 306         int ret;
 307
 308         wl1271_debug(DEBUG_ACX, "acx group address tbl");
 309
 310         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 311         if (!acx) {
 312                 ret = -ENOMEM;
 313                 goto out;
 314         }
 315
 316         /* MAC filtering */
 317         acx->enabled = 0;
 318         acx->num_groups = 0;
 319         memset(acx->mac_table, 0, ADDRESS_GROUP_MAX_LEN);
 320
 321         ret = wl1271_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL,
 322                                    acx, sizeof(*acx));
 323         if (ret < 0) {
 324                 wl1271_warning("failed to set group addr table: %d", ret);
 325                 goto out;
 326         }
 327
 328 out:
 329         kfree(acx);
 330         return ret;
 331 }
 332
 333 int wl1271_acx_service_period_timeout(struct wl1271 *wl)
 334 {
 335         struct acx_rx_timeout *rx_timeout;
 336         int ret;
 337
 338         rx_timeout = kzalloc(sizeof(*rx_timeout), GFP_KERNEL);
 339         if (!rx_timeout) {
 340                 ret = -ENOMEM;
 341                 goto out;
 342         }
 343
 344         wl1271_debug(DEBUG_ACX, "acx service period timeout");
 345
 346         rx_timeout->ps_poll_timeout = RX_TIMEOUT_PS_POLL_DEF;
 347         rx_timeout->upsd_timeout = RX_TIMEOUT_UPSD_DEF;
 348
 349         ret = wl1271_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT,
 350                                    rx_timeout, sizeof(*rx_timeout));
 351         if (ret < 0) {
 352                 wl1271_warning("failed to set service period timeout: %d",
 353                                ret);
 354                 goto out;
 355         }
 356
 357 out:
 358         kfree(rx_timeout);
 359         return ret;
 360 }
 361
 362 int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold)
 363 {
 364         struct acx_rts_threshold *rts;
 365         int ret;
 366
 367         wl1271_debug(DEBUG_ACX, "acx rts threshold");
 368
 369         rts = kzalloc(sizeof(*rts), GFP_KERNEL);
 370         if (!rts) {
 371                 ret = -ENOMEM;
 372                 goto out;
 373         }
 374
 375         rts->threshold = rts_threshold;
 376
 377         ret = wl1271_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts));
 378         if (ret < 0) {
 379                 wl1271_warning("failed to set rts threshold: %d", ret);
 380                 goto out;
 381         }
 382
 383 out:
 384         kfree(rts);
 385         return ret;
 386 }
 387
 388 int wl1271_acx_beacon_filter_opt(struct wl1271 *wl)
 389 {
 390         struct acx_beacon_filter_option *beacon_filter;
 391         int ret;
 392
 393         wl1271_debug(DEBUG_ACX, "acx beacon filter opt");
 394
 395         beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL);
 396         if (!beacon_filter) {
 397                 ret = -ENOMEM;
 398                 goto out;
 399         }
 400
 401         beacon_filter->enable = 0;
 402         beacon_filter->max_num_beacons = 0;
 403
 404         ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
 405                                    beacon_filter, sizeof(*beacon_filter));
 406         if (ret < 0) {
 407                 wl1271_warning("failed to set beacon filter opt: %d", ret);
 408                 goto out;
 409         }
 410
 411 out:
 412         kfree(beacon_filter);
 413         return ret;
 414 }
 415
 416 int wl1271_acx_beacon_filter_table(struct wl1271 *wl)
 417 {
 418         struct acx_beacon_filter_ie_table *ie_table;
 419         int ret;
 420
 421         wl1271_debug(DEBUG_ACX, "acx beacon filter table");
 422
 423         ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL);
 424         if (!ie_table) {
 425                 ret = -ENOMEM;
 426                 goto out;
 427         }
 428
 429         ie_table->num_ie = 0;
 430         memset(ie_table->table, 0, BEACON_FILTER_TABLE_MAX_SIZE);
 431
 432         ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
 433                                    ie_table, sizeof(*ie_table));
 434         if (ret < 0) {
 435                 wl1271_warning("failed to set beacon filter table: %d", ret);
 436                 goto out;
 437         }
 438
 439 out:
 440         kfree(ie_table);
 441         return ret;
 442 }
 443
 444 int wl1271_acx_sg_enable(struct wl1271 *wl)
 445 {
 446         struct acx_bt_wlan_coex *pta;
 447         int ret;
 448
 449         wl1271_debug(DEBUG_ACX, "acx sg enable");
 450
 451         pta = kzalloc(sizeof(*pta), GFP_KERNEL);
 452         if (!pta) {
 453                 ret = -ENOMEM;
 454                 goto out;
 455         }
 456
 457         pta->enable = SG_ENABLE;
 458
 459         ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta));
 460         if (ret < 0) {
 461                 wl1271_warning("failed to set softgemini enable: %d", ret);
 462                 goto out;
 463         }
 464
 465 out:
 466         kfree(pta);
 467         return ret;
 468 }
 469
 470 int wl1271_acx_sg_cfg(struct wl1271 *wl)
 471 {
 472         struct acx_bt_wlan_coex_param *param;
 473         int ret;
 474
 475         wl1271_debug(DEBUG_ACX, "acx sg cfg");
 476
 477         param = kzalloc(sizeof(*param), GFP_KERNEL);
 478         if (!param) {
 479                 ret = -ENOMEM;
 480                 goto out;
 481         }
 482
 483         /* BT-WLAN coext parameters */
 484         param->min_rate = RATE_INDEX_24MBPS;
 485         param->bt_hp_max_time = PTA_BT_HP_MAXTIME_DEF;
 486         param->wlan_hp_max_time = PTA_WLAN_HP_MAX_TIME_DEF;
 487         param->sense_disable_timer = PTA_SENSE_DISABLE_TIMER_DEF;
 488         param->rx_time_bt_hp = PTA_PROTECTIVE_RX_TIME_DEF;
 489         param->tx_time_bt_hp = PTA_PROTECTIVE_TX_TIME_DEF;
 490         param->rx_time_bt_hp_fast = PTA_PROTECTIVE_RX_TIME_FAST_DEF;
 491         param->tx_time_bt_hp_fast = PTA_PROTECTIVE_TX_TIME_FAST_DEF;
 492         param->wlan_cycle_fast = PTA_CYCLE_TIME_FAST_DEF;
 493         param->bt_anti_starvation_period = PTA_ANTI_STARVE_PERIOD_DEF;
 494         param->next_bt_lp_packet = PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF;
 495         param->wake_up_beacon = PTA_TIME_BEFORE_BEACON_DEF;
 496         param->hp_dm_max_guard_time = PTA_HPDM_MAX_TIME_DEF;
 497         param->next_wlan_packet = PTA_TIME_OUT_NEXT_WLAN_DEF;
 498         param->antenna_type = PTA_ANTENNA_TYPE_DEF;
 499         param->signal_type = PTA_SIGNALING_TYPE_DEF;
 500         param->afh_leverage_on = PTA_AFH_LEVERAGE_ON_DEF;
 501         param->quiet_cycle_num = PTA_NUMBER_QUIET_CYCLE_DEF;
 502         param->max_cts = PTA_MAX_NUM_CTS_DEF;
 503         param->wlan_packets_num = PTA_NUMBER_OF_WLAN_PACKETS_DEF;
 504         param->bt_packets_num = PTA_NUMBER_OF_BT_PACKETS_DEF;
 505         param->missed_rx_avalanche = PTA_RX_FOR_AVALANCHE_DEF;
 506         param->wlan_elp_hp = PTA_ELP_HP_DEF;
 507         param->bt_anti_starvation_cycles = PTA_ANTI_STARVE_NUM_CYCLE_DEF;
 508         param->ack_mode_dual_ant = PTA_ACK_MODE_DEF;
 509         param->pa_sd_enable = PTA_ALLOW_PA_SD_DEF;
 510         param->pta_auto_mode_enable = PTA_AUTO_MODE_NO_CTS_DEF;
 511         param->bt_hp_respected_num = PTA_BT_HP_RESPECTED_DEF;
 512
 513         ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
 514         if (ret < 0) {
 515                 wl1271_warning("failed to set sg config: %d", ret);
 516                 goto out;
 517         }
 518
 519 out:
 520         kfree(param);
 521         return ret;
 522 }
 523
 524 int wl1271_acx_cca_threshold(struct wl1271 *wl)
 525 {
 526         struct acx_energy_detection *detection;
 527         int ret;
 528
 529         wl1271_debug(DEBUG_ACX, "acx cca threshold");
 530
 531         detection = kzalloc(sizeof(*detection), GFP_KERNEL);
 532         if (!detection) {
 533                 ret = -ENOMEM;
 534                 goto out;
 535         }
 536
 537         detection->rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D;
 538         detection->tx_energy_detection = 0;
 539
 540         ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
 541                                    detection, sizeof(*detection));
 542         if (ret < 0) {
 543                 wl1271_warning("failed to set cca threshold: %d", ret);
 544                 return ret;
 545         }
 546
 547 out:
 548         kfree(detection);
 549         return ret;
 550 }
 551
 552 int wl1271_acx_bcn_dtim_options(struct wl1271 *wl)
 553 {
 554         struct acx_beacon_broadcast *bb;
 555         int ret;
 556
 557         wl1271_debug(DEBUG_ACX, "acx bcn dtim options");
 558
 559         bb = kzalloc(sizeof(*bb), GFP_KERNEL);
 560         if (!bb) {
 561                 ret = -ENOMEM;
 562                 goto out;
 563         }
 564
 565         bb->beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE;
 566         bb->broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE;
 567         bb->rx_broadcast_in_ps = RX_BROADCAST_IN_PS_DEF_VALUE;
 568         bb->ps_poll_threshold = CONSECUTIVE_PS_POLL_FAILURE_DEF;
 569
 570         ret = wl1271_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb));
 571         if (ret < 0) {
 572                 wl1271_warning("failed to set rx config: %d", ret);
 573                 goto out;
 574         }
 575
 576 out:
 577         kfree(bb);
 578         return ret;
 579 }
 580
 581 int wl1271_acx_aid(struct wl1271 *wl, u16 aid)
 582 {
 583         struct acx_aid *acx_aid;
 584         int ret;
 585
 586         wl1271_debug(DEBUG_ACX, "acx aid");
 587
 588         acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL);
 589         if (!acx_aid) {
 590                 ret = -ENOMEM;
 591                 goto out;
 592         }
 593
 594         acx_aid->aid = aid;
 595
 596         ret = wl1271_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid));
 597         if (ret < 0) {
 598                 wl1271_warning("failed to set aid: %d", ret);
 599                 goto out;
 600         }
 601
 602 out:
 603         kfree(acx_aid);
 604         return ret;
 605 }
 606
 607 int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask)
 608 {
 609         struct acx_event_mask *mask;
 610         int ret;
 611
 612         wl1271_debug(DEBUG_ACX, "acx event mbox mask");
 613
 614         mask = kzalloc(sizeof(*mask), GFP_KERNEL);
 615         if (!mask) {
 616                 ret = -ENOMEM;
 617                 goto out;
 618         }
 619
 620         /* high event mask is unused */
 621         mask->high_event_mask = 0xffffffff;
 622
 623         mask->event_mask = event_mask;
 624
 625         ret = wl1271_cmd_configure(wl, ACX_EVENT_MBOX_MASK,
 626                                    mask, sizeof(*mask));
 627         if (ret < 0) {
 628                 wl1271_warning("failed to set acx_event_mbox_mask: %d", ret);
 629                 goto out;
 630         }
 631
 632 out:
 633         kfree(mask);
 634         return ret;
 635 }
 636
 637 int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble)
 638 {
 639         struct acx_preamble *acx;
 640         int ret;
 641
 642         wl1271_debug(DEBUG_ACX, "acx_set_preamble");
 643
 644         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 645         if (!acx) {
 646                 ret = -ENOMEM;
 647                 goto out;
 648         }
 649
 650         acx->preamble = preamble;
 651
 652         ret = wl1271_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx));
 653         if (ret < 0) {
 654                 wl1271_warning("Setting of preamble failed: %d", ret);
 655                 goto out;
 656         }
 657
 658 out:
 659         kfree(acx);
 660         return ret;
 661 }
 662
 663 int wl1271_acx_cts_protect(struct wl1271 *wl,
 664                            enum acx_ctsprotect_type ctsprotect)
 665 {
 666         struct acx_ctsprotect *acx;
 667         int ret;
 668
 669         wl1271_debug(DEBUG_ACX, "acx_set_ctsprotect");
 670
 671         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 672         if (!acx) {
 673                 ret = -ENOMEM;
 674                 goto out;
 675         }
 676
 677         acx->ctsprotect = ctsprotect;
 678
 679         ret = wl1271_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx));
 680         if (ret < 0) {
 681                 wl1271_warning("Setting of ctsprotect failed: %d", ret);
 682                 goto out;
 683         }
 684
 685 out:
 686         kfree(acx);
 687         return ret;
 688 }
 689
 690 int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats)
 691 {
 692         int ret;
 693
 694         wl1271_debug(DEBUG_ACX, "acx statistics");
 695
 696         ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats,
 697                                      sizeof(*stats));
 698         if (ret < 0) {
 699                 wl1271_warning("acx statistics failed: %d", ret);
 700                 return -ENOMEM;
 701         }
 702
 703         return 0;
 704 }
 705
 706 int wl1271_acx_rate_policies(struct wl1271 *wl)
 707 {
 708         struct acx_rate_policy *acx;
 709         int ret = 0;
 710
 711         wl1271_debug(DEBUG_ACX, "acx rate policies");
 712
 713         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 714
 715         if (!acx) {
 716                 ret = -ENOMEM;
 717                 goto out;
 718         }
 719
 720         /* configure one default (one-size-fits-all) rate class */
 721         acx->rate_class_cnt = 1;
 722         acx->rate_class[0].enabled_rates = ACX_RATE_MASK_ALL;
 723         acx->rate_class[0].short_retry_limit = ACX_RATE_RETRY_LIMIT;
 724         acx->rate_class[0].long_retry_limit = ACX_RATE_RETRY_LIMIT;
 725         acx->rate_class[0].aflags = 0;
 726
 727         ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
 728         if (ret < 0) {
 729                 wl1271_warning("Setting of rate policies failed: %d", ret);
 730                 goto out;
 731         }
 732
 733 out:
 734         kfree(acx);
 735         return ret;
 736 }
 737
 738 int wl1271_acx_ac_cfg(struct wl1271 *wl)
 739 {
 740         struct acx_ac_cfg *acx;
 741         int i, ret = 0;
 742
 743         wl1271_debug(DEBUG_ACX, "acx access category config");
 744
 745         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 746
 747         if (!acx) {
 748                 ret = -ENOMEM;
 749                 goto out;
 750         }
 751
 752         /*
 753          * FIXME: Configure each AC with appropriate values (most suitable
 754          * values will probably be different for each AC.
 755          */
 756         for (i = 0; i < WL1271_ACX_AC_COUNT; i++) {
 757                 acx->ac = i;
 758
 759                 /*
 760                  * FIXME: The following default values originate from
 761                  * the TI reference driver. What do they mean?
 762                  */
 763                 acx->cw_min = 15;
 764                 acx->cw_max = 63;
 765                 acx->aifsn = 3;
 766                 acx->reserved = 0;
 767                 acx->tx_op_limit = 0;
 768
 769                 ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
 770                 if (ret < 0) {
 771                         wl1271_warning("Setting of access category "
 772                                        "config: %d", ret);
 773                         goto out;
 774                 }
 775         }
 776
 777 out:
 778         kfree(acx);
 779         return ret;
 780 }
 781
 782 int wl1271_acx_tid_cfg(struct wl1271 *wl)
 783 {
 784         struct acx_tid_config *acx;
 785         int i, ret = 0;
 786
 787         wl1271_debug(DEBUG_ACX, "acx tid config");
 788
 789         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 790
 791         if (!acx) {
 792                 ret = -ENOMEM;
 793                 goto out;
 794         }
 795
 796         /* FIXME: configure each TID with a different AC reference */
 797         for (i = 0; i < WL1271_ACX_TID_COUNT; i++) {
 798                 acx->queue_id = i;
 799                 acx->tsid = WL1271_ACX_AC_BE;
 800                 acx->ps_scheme = WL1271_ACX_PS_SCHEME_LEGACY;
 801                 acx->ack_policy = WL1271_ACX_ACK_POLICY_LEGACY;
 802
 803                 ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
 804                 if (ret < 0) {
 805                         wl1271_warning("Setting of tid config failed: %d", ret);
 806                         goto out;
 807                 }
 808         }
 809
 810 out:
 811         kfree(acx);
 812         return ret;
 813 }
 814
 815 int wl1271_acx_frag_threshold(struct wl1271 *wl)
 816 {
 817         struct acx_frag_threshold *acx;
 818         int ret = 0;
 819
 820         wl1271_debug(DEBUG_ACX, "acx frag threshold");
 821
 822         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 823
 824         if (!acx) {
 825                 ret = -ENOMEM;
 826                 goto out;
 827         }
 828
 829         acx->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
 830         ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
 831         if (ret < 0) {
 832                 wl1271_warning("Setting of frag threshold failed: %d", ret);
 833                 goto out;
 834         }
 835
 836 out:
 837         kfree(acx);
 838         return ret;
 839 }
 840
 841 int wl1271_acx_tx_config_options(struct wl1271 *wl)
 842 {
 843         struct acx_tx_config_options *acx;
 844         int ret = 0;
 845
 846         wl1271_debug(DEBUG_ACX, "acx tx config options");
 847
 848         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 849
 850         if (!acx) {
 851                 ret = -ENOMEM;
 852                 goto out;
 853         }
 854
 855         acx->tx_compl_timeout = WL1271_ACX_TX_COMPL_TIMEOUT;
 856         acx->tx_compl_threshold = WL1271_ACX_TX_COMPL_THRESHOLD;
 857         ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
 858         if (ret < 0) {
 859                 wl1271_warning("Setting of tx options failed: %d", ret);
 860                 goto out;
 861         }
 862
 863 out:
 864         kfree(acx);
 865         return ret;
 866 }
 867
 868 int wl1271_acx_mem_cfg(struct wl1271 *wl)
 869 {
 870         struct wl1271_acx_config_memory *mem_conf;
 871         int ret;
 872
 873         wl1271_debug(DEBUG_ACX, "wl1271 mem cfg");
 874
 875         mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
 876         if (!mem_conf) {
 877                 ret = -ENOMEM;
 878                 goto out;
 879         }
 880
 881         /* memory config */
 882         mem_conf->num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
 883         mem_conf->rx_mem_block_num = ACX_RX_MEM_BLOCKS;
 884         mem_conf->tx_min_mem_block_num = ACX_TX_MIN_MEM_BLOCKS;
 885         mem_conf->num_ssid_profiles = ACX_NUM_SSID_PROFILES;
 886         mem_conf->total_tx_descriptors = ACX_TX_DESCRIPTORS;
 887
 888         ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
 889                                    sizeof(*mem_conf));
 890         if (ret < 0) {
 891                 wl1271_warning("wl1271 mem config failed: %d", ret);
 892                 goto out;
 893         }
 894
 895 out:
 896         kfree(mem_conf);
 897         return ret;
 898 }
 899
 900 int wl1271_acx_init_mem_config(struct wl1271 *wl)
 901 {
 902         int ret;
 903
 904         ret = wl1271_acx_mem_cfg(wl);
 905         if (ret < 0)
 906                 return ret;
 907
 908         wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map),
 909                                           GFP_KERNEL);
 910         if (!wl->target_mem_map) {
 911                 wl1271_error("couldn't allocate target memory map");
 912                 return -ENOMEM;
 913         }
 914
 915         /* we now ask for the firmware built memory map */
 916         ret = wl1271_acx_mem_map(wl, (void *)wl->target_mem_map,
 917                                  sizeof(struct wl1271_acx_mem_map));
 918         if (ret < 0) {
 919                 wl1271_error("couldn't retrieve firmware memory map");
 920                 kfree(wl->target_mem_map);
 921                 wl->target_mem_map = NULL;
 922                 return ret;
 923         }
 924
 925         /* initialize TX block book keeping */
 926         wl->tx_blocks_available = wl->target_mem_map->num_tx_mem_blocks;
 927         wl1271_debug(DEBUG_TX, "available tx blocks: %d",
 928                      wl->tx_blocks_available);
 929
 930         return 0;
 931 }
 932
 933 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl)
 934 {
 935         struct wl1271_acx_rx_config_opt *rx_conf;
 936         int ret;
 937
 938         wl1271_debug(DEBUG_ACX, "wl1271 rx interrupt config");
 939
 940         rx_conf = kzalloc(sizeof(*rx_conf), GFP_KERNEL);
 941         if (!rx_conf) {
 942                 ret = -ENOMEM;
 943                 goto out;
 944         }
 945
 946         rx_conf->threshold = WL1271_RX_INTR_THRESHOLD_DEF;
 947         rx_conf->timeout = WL1271_RX_INTR_TIMEOUT_DEF;
 948         rx_conf->mblk_threshold = USHORT_MAX; /* Disabled */
 949         rx_conf->queue_type = RX_QUEUE_TYPE_RX_LOW_PRIORITY;
 950
 951         ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf,
 952                                    sizeof(*rx_conf));
 953         if (ret < 0) {
 954                 wl1271_warning("wl1271 rx config opt failed: %d", ret);
 955                 goto out;
 956         }
 957
 958 out:
 959         kfree(rx_conf);
 960         return ret;
 961 }