drivers/net/wireless/wl12xx/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 "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 #include <linux/slab.h>
  31
  32 #include "wl12xx.h"
  33 #include "wl12xx_80211.h"
  34 #include "reg.h"
  35 #include "ps.h"
  36
  37 int wl1271_acx_wake_up_conditions(struct wl1271 *wl)
  38 {
  39         struct acx_wake_up_condition *wake_up;
  40         int ret;
  41
  42         wl1271_debug(DEBUG_ACX, "acx wake up conditions");
  43
  44         wake_up = kzalloc(sizeof(*wake_up), GFP_KERNEL);
  45         if (!wake_up) {
  46                 ret = -ENOMEM;
  47                 goto out;
  48         }
  49
  50         wake_up->wake_up_event = wl->conf.conn.wake_up_event;
  51         wake_up->listen_interval = wl->conf.conn.listen_interval;
  52
  53         ret = wl1271_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS,
  54                                    wake_up, sizeof(*wake_up));
  55         if (ret < 0) {
  56                 wl1271_warning("could not set wake up conditions: %d", ret);
  57                 goto out;
  58         }
  59
  60 out:
  61         kfree(wake_up);
  62         return ret;
  63 }
  64
  65 int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
  66 {
  67         struct acx_sleep_auth *auth;
  68         int ret;
  69
  70         wl1271_debug(DEBUG_ACX, "acx sleep auth");
  71
  72         auth = kzalloc(sizeof(*auth), GFP_KERNEL);
  73         if (!auth) {
  74                 ret = -ENOMEM;
  75                 goto out;
  76         }
  77
  78         auth->sleep_auth = sleep_auth;
  79
  80         ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
  81         if (ret < 0)
  82                 return ret;
  83
  84 out:
  85         kfree(auth);
  86         return ret;
  87 }
  88
  89 int wl1271_acx_tx_power(struct wl1271 *wl, int power)
  90 {
  91         struct acx_current_tx_power *acx;
  92         int ret;
  93
  94         wl1271_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr");
  95
  96         if (power < 0 || power > 25)
  97                 return -EINVAL;
  98
  99         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 100         if (!acx) {
 101                 ret = -ENOMEM;
 102                 goto out;
 103         }
 104
 105         acx->current_tx_power = power * 10;
 106
 107         ret = wl1271_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx));
 108         if (ret < 0) {
 109                 wl1271_warning("configure of tx power failed: %d", ret);
 110                 goto out;
 111         }
 112
 113 out:
 114         kfree(acx);
 115         return ret;
 116 }
 117
 118 int wl1271_acx_feature_cfg(struct wl1271 *wl)
 119 {
 120         struct acx_feature_config *feature;
 121         int ret;
 122
 123         wl1271_debug(DEBUG_ACX, "acx feature cfg");
 124
 125         feature = kzalloc(sizeof(*feature), GFP_KERNEL);
 126         if (!feature) {
 127                 ret = -ENOMEM;
 128                 goto out;
 129         }
 130
 131         /* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE are disabled */
 132         feature->data_flow_options = 0;
 133         feature->options = 0;
 134
 135         ret = wl1271_cmd_configure(wl, ACX_FEATURE_CFG,
 136                                    feature, sizeof(*feature));
 137         if (ret < 0) {
 138                 wl1271_error("Couldnt set HW encryption");
 139                 goto out;
 140         }
 141
 142 out:
 143         kfree(feature);
 144         return ret;
 145 }
 146
 147 int wl1271_acx_mem_map(struct wl1271 *wl, struct acx_header *mem_map,
 148                        size_t len)
 149 {
 150         int ret;
 151
 152         wl1271_debug(DEBUG_ACX, "acx mem map");
 153
 154         ret = wl1271_cmd_interrogate(wl, ACX_MEM_MAP, mem_map, len);
 155         if (ret < 0)
 156                 return ret;
 157
 158         return 0;
 159 }
 160
 161 int wl1271_acx_rx_msdu_life_time(struct wl1271 *wl)
 162 {
 163         struct acx_rx_msdu_lifetime *acx;
 164         int ret;
 165
 166         wl1271_debug(DEBUG_ACX, "acx rx msdu life time");
 167
 168         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 169         if (!acx) {
 170                 ret = -ENOMEM;
 171                 goto out;
 172         }
 173
 174         acx->lifetime = cpu_to_le32(wl->conf.rx.rx_msdu_life_time);
 175         ret = wl1271_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
 176                                    acx, sizeof(*acx));
 177         if (ret < 0) {
 178                 wl1271_warning("failed to set rx msdu life time: %d", ret);
 179                 goto out;
 180         }
 181
 182 out:
 183         kfree(acx);
 184         return ret;
 185 }
 186
 187 int wl1271_acx_rx_config(struct wl1271 *wl, u32 config, u32 filter)
 188 {
 189         struct acx_rx_config *rx_config;
 190         int ret;
 191
 192         wl1271_debug(DEBUG_ACX, "acx rx config");
 193
 194         rx_config = kzalloc(sizeof(*rx_config), GFP_KERNEL);
 195         if (!rx_config) {
 196                 ret = -ENOMEM;
 197                 goto out;
 198         }
 199
 200         rx_config->config_options = cpu_to_le32(config);
 201         rx_config->filter_options = cpu_to_le32(filter);
 202
 203         ret = wl1271_cmd_configure(wl, ACX_RX_CFG,
 204                                    rx_config, sizeof(*rx_config));
 205         if (ret < 0) {
 206                 wl1271_warning("failed to set rx config: %d", ret);
 207                 goto out;
 208         }
 209
 210 out:
 211         kfree(rx_config);
 212         return ret;
 213 }
 214
 215 int wl1271_acx_pd_threshold(struct wl1271 *wl)
 216 {
 217         struct acx_packet_detection *pd;
 218         int ret;
 219
 220         wl1271_debug(DEBUG_ACX, "acx data pd threshold");
 221
 222         pd = kzalloc(sizeof(*pd), GFP_KERNEL);
 223         if (!pd) {
 224                 ret = -ENOMEM;
 225                 goto out;
 226         }
 227
 228         pd->threshold = cpu_to_le32(wl->conf.rx.packet_detection_threshold);
 229
 230         ret = wl1271_cmd_configure(wl, ACX_PD_THRESHOLD, pd, sizeof(*pd));
 231         if (ret < 0) {
 232                 wl1271_warning("failed to set pd threshold: %d", ret);
 233                 goto out;
 234         }
 235
 236 out:
 237         kfree(pd);
 238         return ret;
 239 }
 240
 241 int wl1271_acx_slot(struct wl1271 *wl, enum acx_slot_type slot_time)
 242 {
 243         struct acx_slot *slot;
 244         int ret;
 245
 246         wl1271_debug(DEBUG_ACX, "acx slot");
 247
 248         slot = kzalloc(sizeof(*slot), GFP_KERNEL);
 249         if (!slot) {
 250                 ret = -ENOMEM;
 251                 goto out;
 252         }
 253
 254         slot->wone_index = STATION_WONE_INDEX;
 255         slot->slot_time = slot_time;
 256
 257         ret = wl1271_cmd_configure(wl, ACX_SLOT, slot, sizeof(*slot));
 258         if (ret < 0) {
 259                 wl1271_warning("failed to set slot time: %d", ret);
 260                 goto out;
 261         }
 262
 263 out:
 264         kfree(slot);
 265         return ret;
 266 }
 267
 268 int wl1271_acx_group_address_tbl(struct wl1271 *wl, bool enable,
 269                                  void *mc_list, u32 mc_list_len)
 270 {
 271         struct acx_dot11_grp_addr_tbl *acx;
 272         int ret;
 273
 274         wl1271_debug(DEBUG_ACX, "acx group address tbl");
 275
 276         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 277         if (!acx) {
 278                 ret = -ENOMEM;
 279                 goto out;
 280         }
 281
 282         /* MAC filtering */
 283         acx->enabled = enable;
 284         acx->num_groups = mc_list_len;
 285         memcpy(acx->mac_table, mc_list, mc_list_len * ETH_ALEN);
 286
 287         ret = wl1271_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL,
 288                                    acx, sizeof(*acx));
 289         if (ret < 0) {
 290                 wl1271_warning("failed to set group addr table: %d", ret);
 291                 goto out;
 292         }
 293
 294 out:
 295         kfree(acx);
 296         return ret;
 297 }
 298
 299 int wl1271_acx_service_period_timeout(struct wl1271 *wl)
 300 {
 301         struct acx_rx_timeout *rx_timeout;
 302         int ret;
 303
 304         rx_timeout = kzalloc(sizeof(*rx_timeout), GFP_KERNEL);
 305         if (!rx_timeout) {
 306                 ret = -ENOMEM;
 307                 goto out;
 308         }
 309
 310         wl1271_debug(DEBUG_ACX, "acx service period timeout");
 311
 312         rx_timeout->ps_poll_timeout = cpu_to_le16(wl->conf.rx.ps_poll_timeout);
 313         rx_timeout->upsd_timeout = cpu_to_le16(wl->conf.rx.upsd_timeout);
 314
 315         ret = wl1271_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT,
 316                                    rx_timeout, sizeof(*rx_timeout));
 317         if (ret < 0) {
 318                 wl1271_warning("failed to set service period timeout: %d",
 319                                ret);
 320                 goto out;
 321         }
 322
 323 out:
 324         kfree(rx_timeout);
 325         return ret;
 326 }
 327
 328 int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold)
 329 {
 330         struct acx_rts_threshold *rts;
 331         int ret;
 332
 333         wl1271_debug(DEBUG_ACX, "acx rts threshold");
 334
 335         rts = kzalloc(sizeof(*rts), GFP_KERNEL);
 336         if (!rts) {
 337                 ret = -ENOMEM;
 338                 goto out;
 339         }
 340
 341         rts->threshold = cpu_to_le16(rts_threshold);
 342
 343         ret = wl1271_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts));
 344         if (ret < 0) {
 345                 wl1271_warning("failed to set rts threshold: %d", ret);
 346                 goto out;
 347         }
 348
 349 out:
 350         kfree(rts);
 351         return ret;
 352 }
 353
 354 int wl1271_acx_dco_itrim_params(struct wl1271 *wl)
 355 {
 356         struct acx_dco_itrim_params *dco;
 357         struct conf_itrim_settings *c = &wl->conf.itrim;
 358         int ret;
 359
 360         wl1271_debug(DEBUG_ACX, "acx dco itrim parameters");
 361
 362         dco = kzalloc(sizeof(*dco), GFP_KERNEL);
 363         if (!dco) {
 364                 ret = -ENOMEM;
 365                 goto out;
 366         }
 367
 368         dco->enable = c->enable;
 369         dco->timeout = cpu_to_le32(c->timeout);
 370
 371         ret = wl1271_cmd_configure(wl, ACX_SET_DCO_ITRIM_PARAMS,
 372                                    dco, sizeof(*dco));
 373         if (ret < 0) {
 374                 wl1271_warning("failed to set dco itrim parameters: %d", ret);
 375                 goto out;
 376         }
 377
 378 out:
 379         kfree(dco);
 380         return ret;
 381 }
 382
 383 int wl1271_acx_beacon_filter_opt(struct wl1271 *wl, bool enable_filter)
 384 {
 385         struct acx_beacon_filter_option *beacon_filter = NULL;
 386         int ret = 0;
 387
 388         wl1271_debug(DEBUG_ACX, "acx beacon filter opt");
 389
 390         if (enable_filter &&
 391             wl->conf.conn.bcn_filt_mode == CONF_BCN_FILT_MODE_DISABLED)
 392                 goto out;
 393
 394         beacon_filter = kzalloc(sizeof(*beacon_filter), GFP_KERNEL);
 395         if (!beacon_filter) {
 396                 ret = -ENOMEM;
 397                 goto out;
 398         }
 399
 400         beacon_filter->enable = enable_filter;
 401
 402         /*
 403          * When set to zero, and the filter is enabled, beacons
 404          * without the unicast TIM bit set are dropped.
 405          */
 406         beacon_filter->max_num_beacons = 0;
 407
 408         ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
 409                                    beacon_filter, sizeof(*beacon_filter));
 410         if (ret < 0) {
 411                 wl1271_warning("failed to set beacon filter opt: %d", ret);
 412                 goto out;
 413         }
 414
 415 out:
 416         kfree(beacon_filter);
 417         return ret;
 418 }
 419
 420 int wl1271_acx_beacon_filter_table(struct wl1271 *wl)
 421 {
 422         struct acx_beacon_filter_ie_table *ie_table;
 423         int i, idx = 0;
 424         int ret;
 425         bool vendor_spec = false;
 426
 427         wl1271_debug(DEBUG_ACX, "acx beacon filter table");
 428
 429         ie_table = kzalloc(sizeof(*ie_table), GFP_KERNEL);
 430         if (!ie_table) {
 431                 ret = -ENOMEM;
 432                 goto out;
 433         }
 434
 435         /* configure default beacon pass-through rules */
 436         ie_table->num_ie = 0;
 437         for (i = 0; i < wl->conf.conn.bcn_filt_ie_count; i++) {
 438                 struct conf_bcn_filt_rule *r = &(wl->conf.conn.bcn_filt_ie[i]);
 439                 ie_table->table[idx++] = r->ie;
 440                 ie_table->table[idx++] = r->rule;
 441
 442                 if (r->ie == WLAN_EID_VENDOR_SPECIFIC) {
 443                         /* only one vendor specific ie allowed */
 444                         if (vendor_spec)
 445                                 continue;
 446
 447                         /* for vendor specific rules configure the
 448                            additional fields */
 449                         memcpy(&(ie_table->table[idx]), r->oui,
 450                                CONF_BCN_IE_OUI_LEN);
 451                         idx += CONF_BCN_IE_OUI_LEN;
 452                         ie_table->table[idx++] = r->type;
 453                         memcpy(&(ie_table->table[idx]), r->version,
 454                                CONF_BCN_IE_VER_LEN);
 455                         idx += CONF_BCN_IE_VER_LEN;
 456                         vendor_spec = true;
 457                 }
 458
 459                 ie_table->num_ie++;
 460         }
 461
 462         ret = wl1271_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
 463                                    ie_table, sizeof(*ie_table));
 464         if (ret < 0) {
 465                 wl1271_warning("failed to set beacon filter table: %d", ret);
 466                 goto out;
 467         }
 468
 469 out:
 470         kfree(ie_table);
 471         return ret;
 472 }
 473
 474 #define ACX_CONN_MONIT_DISABLE_VALUE  0xffffffff
 475
 476 int wl1271_acx_conn_monit_params(struct wl1271 *wl, bool enable)
 477 {
 478         struct acx_conn_monit_params *acx;
 479         u32 threshold = ACX_CONN_MONIT_DISABLE_VALUE;
 480         u32 timeout = ACX_CONN_MONIT_DISABLE_VALUE;
 481         int ret;
 482
 483         wl1271_debug(DEBUG_ACX, "acx connection monitor parameters: %s",
 484                      enable ? "enabled" : "disabled");
 485
 486         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 487         if (!acx) {
 488                 ret = -ENOMEM;
 489                 goto out;
 490         }
 491
 492         if (enable) {
 493                 threshold = wl->conf.conn.synch_fail_thold;
 494                 timeout = wl->conf.conn.bss_lose_timeout;
 495         }
 496
 497         acx->synch_fail_thold = cpu_to_le32(threshold);
 498         acx->bss_lose_timeout = cpu_to_le32(timeout);
 499
 500         ret = wl1271_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
 501                                    acx, sizeof(*acx));
 502         if (ret < 0) {
 503                 wl1271_warning("failed to set connection monitor "
 504                                "parameters: %d", ret);
 505                 goto out;
 506         }
 507
 508 out:
 509         kfree(acx);
 510         return ret;
 511 }
 512
 513
 514 int wl1271_acx_sg_enable(struct wl1271 *wl, bool enable)
 515 {
 516         struct acx_bt_wlan_coex *pta;
 517         int ret;
 518
 519         wl1271_debug(DEBUG_ACX, "acx sg enable");
 520
 521         pta = kzalloc(sizeof(*pta), GFP_KERNEL);
 522         if (!pta) {
 523                 ret = -ENOMEM;
 524                 goto out;
 525         }
 526
 527         if (enable)
 528                 pta->enable = wl->conf.sg.state;
 529         else
 530                 pta->enable = CONF_SG_DISABLE;
 531
 532         ret = wl1271_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta));
 533         if (ret < 0) {
 534                 wl1271_warning("failed to set softgemini enable: %d", ret);
 535                 goto out;
 536         }
 537
 538 out:
 539         kfree(pta);
 540         return ret;
 541 }
 542
 543 int wl1271_acx_sg_cfg(struct wl1271 *wl)
 544 {
 545         struct acx_bt_wlan_coex_param *param;
 546         struct conf_sg_settings *c = &wl->conf.sg;
 547         int i, ret;
 548
 549         wl1271_debug(DEBUG_ACX, "acx sg cfg");
 550
 551         param = kzalloc(sizeof(*param), GFP_KERNEL);
 552         if (!param) {
 553                 ret = -ENOMEM;
 554                 goto out;
 555         }
 556
 557         /* BT-WLAN coext parameters */
 558         for (i = 0; i < CONF_SG_PARAMS_MAX; i++)
 559                 param->params[i] = cpu_to_le32(c->params[i]);
 560         param->param_idx = CONF_SG_PARAMS_ALL;
 561
 562         ret = wl1271_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
 563         if (ret < 0) {
 564                 wl1271_warning("failed to set sg config: %d", ret);
 565                 goto out;
 566         }
 567
 568 out:
 569         kfree(param);
 570         return ret;
 571 }
 572
 573 int wl1271_acx_cca_threshold(struct wl1271 *wl)
 574 {
 575         struct acx_energy_detection *detection;
 576         int ret;
 577
 578         wl1271_debug(DEBUG_ACX, "acx cca threshold");
 579
 580         detection = kzalloc(sizeof(*detection), GFP_KERNEL);
 581         if (!detection) {
 582                 ret = -ENOMEM;
 583                 goto out;
 584         }
 585
 586         detection->rx_cca_threshold = cpu_to_le16(wl->conf.rx.rx_cca_threshold);
 587         detection->tx_energy_detection = wl->conf.tx.tx_energy_detection;
 588
 589         ret = wl1271_cmd_configure(wl, ACX_CCA_THRESHOLD,
 590                                    detection, sizeof(*detection));
 591         if (ret < 0) {
 592                 wl1271_warning("failed to set cca threshold: %d", ret);
 593                 return ret;
 594         }
 595
 596 out:
 597         kfree(detection);
 598         return ret;
 599 }
 600
 601 int wl1271_acx_bcn_dtim_options(struct wl1271 *wl)
 602 {
 603         struct acx_beacon_broadcast *bb;
 604         int ret;
 605
 606         wl1271_debug(DEBUG_ACX, "acx bcn dtim options");
 607
 608         bb = kzalloc(sizeof(*bb), GFP_KERNEL);
 609         if (!bb) {
 610                 ret = -ENOMEM;
 611                 goto out;
 612         }
 613
 614         bb->beacon_rx_timeout = cpu_to_le16(wl->conf.conn.beacon_rx_timeout);
 615         bb->broadcast_timeout = cpu_to_le16(wl->conf.conn.broadcast_timeout);
 616         bb->rx_broadcast_in_ps = wl->conf.conn.rx_broadcast_in_ps;
 617         bb->ps_poll_threshold = wl->conf.conn.ps_poll_threshold;
 618
 619         ret = wl1271_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb));
 620         if (ret < 0) {
 621                 wl1271_warning("failed to set rx config: %d", ret);
 622                 goto out;
 623         }
 624
 625 out:
 626         kfree(bb);
 627         return ret;
 628 }
 629
 630 int wl1271_acx_aid(struct wl1271 *wl, u16 aid)
 631 {
 632         struct acx_aid *acx_aid;
 633         int ret;
 634
 635         wl1271_debug(DEBUG_ACX, "acx aid");
 636
 637         acx_aid = kzalloc(sizeof(*acx_aid), GFP_KERNEL);
 638         if (!acx_aid) {
 639                 ret = -ENOMEM;
 640                 goto out;
 641         }
 642
 643         acx_aid->aid = cpu_to_le16(aid);
 644
 645         ret = wl1271_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid));
 646         if (ret < 0) {
 647                 wl1271_warning("failed to set aid: %d", ret);
 648                 goto out;
 649         }
 650
 651 out:
 652         kfree(acx_aid);
 653         return ret;
 654 }
 655
 656 int wl1271_acx_event_mbox_mask(struct wl1271 *wl, u32 event_mask)
 657 {
 658         struct acx_event_mask *mask;
 659         int ret;
 660
 661         wl1271_debug(DEBUG_ACX, "acx event mbox mask");
 662
 663         mask = kzalloc(sizeof(*mask), GFP_KERNEL);
 664         if (!mask) {
 665                 ret = -ENOMEM;
 666                 goto out;
 667         }
 668
 669         /* high event mask is unused */
 670         mask->high_event_mask = cpu_to_le32(0xffffffff);
 671         mask->event_mask = cpu_to_le32(event_mask);
 672
 673         ret = wl1271_cmd_configure(wl, ACX_EVENT_MBOX_MASK,
 674                                    mask, sizeof(*mask));
 675         if (ret < 0) {
 676                 wl1271_warning("failed to set acx_event_mbox_mask: %d", ret);
 677                 goto out;
 678         }
 679
 680 out:
 681         kfree(mask);
 682         return ret;
 683 }
 684
 685 int wl1271_acx_set_preamble(struct wl1271 *wl, enum acx_preamble_type preamble)
 686 {
 687         struct acx_preamble *acx;
 688         int ret;
 689
 690         wl1271_debug(DEBUG_ACX, "acx_set_preamble");
 691
 692         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 693         if (!acx) {
 694                 ret = -ENOMEM;
 695                 goto out;
 696         }
 697
 698         acx->preamble = preamble;
 699
 700         ret = wl1271_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx));
 701         if (ret < 0) {
 702                 wl1271_warning("Setting of preamble failed: %d", ret);
 703                 goto out;
 704         }
 705
 706 out:
 707         kfree(acx);
 708         return ret;
 709 }
 710
 711 int wl1271_acx_cts_protect(struct wl1271 *wl,
 712                            enum acx_ctsprotect_type ctsprotect)
 713 {
 714         struct acx_ctsprotect *acx;
 715         int ret;
 716
 717         wl1271_debug(DEBUG_ACX, "acx_set_ctsprotect");
 718
 719         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 720         if (!acx) {
 721                 ret = -ENOMEM;
 722                 goto out;
 723         }
 724
 725         acx->ctsprotect = ctsprotect;
 726
 727         ret = wl1271_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx));
 728         if (ret < 0) {
 729                 wl1271_warning("Setting of ctsprotect failed: %d", ret);
 730                 goto out;
 731         }
 732
 733 out:
 734         kfree(acx);
 735         return ret;
 736 }
 737
 738 int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats)
 739 {
 740         int ret;
 741
 742         wl1271_debug(DEBUG_ACX, "acx statistics");
 743
 744         ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats,
 745                                      sizeof(*stats));
 746         if (ret < 0) {
 747                 wl1271_warning("acx statistics failed: %d", ret);
 748                 return -ENOMEM;
 749         }
 750
 751         return 0;
 752 }
 753
 754 int wl1271_acx_sta_rate_policies(struct wl1271 *wl)
 755 {
 756         struct acx_sta_rate_policy *acx;
 757         struct conf_tx_rate_class *c = &wl->conf.tx.sta_rc_conf;
 758         int idx = 0;
 759         int ret = 0;
 760
 761         wl1271_debug(DEBUG_ACX, "acx rate policies");
 762
 763         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 764
 765         if (!acx) {
 766                 ret = -ENOMEM;
 767                 goto out;
 768         }
 769
 770         /* configure one basic rate class */
 771         idx = ACX_TX_BASIC_RATE;
 772         acx->rate_class[idx].enabled_rates = cpu_to_le32(wl->basic_rate);
 773         acx->rate_class[idx].short_retry_limit = c->short_retry_limit;
 774         acx->rate_class[idx].long_retry_limit = c->long_retry_limit;
 775         acx->rate_class[idx].aflags = c->aflags;
 776
 777         /* configure one AP supported rate class */
 778         idx = ACX_TX_AP_FULL_RATE;
 779         acx->rate_class[idx].enabled_rates = cpu_to_le32(wl->rate_set);
 780         acx->rate_class[idx].short_retry_limit = c->short_retry_limit;
 781         acx->rate_class[idx].long_retry_limit = c->long_retry_limit;
 782         acx->rate_class[idx].aflags = c->aflags;
 783
 784         acx->rate_class_cnt = cpu_to_le32(ACX_TX_RATE_POLICY_CNT);
 785
 786         ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
 787         if (ret < 0) {
 788                 wl1271_warning("Setting of rate policies failed: %d", ret);
 789                 goto out;
 790         }
 791
 792 out:
 793         kfree(acx);
 794         return ret;
 795 }
 796
 797 int wl1271_acx_ap_rate_policy(struct wl1271 *wl, struct conf_tx_rate_class *c,
 798                       u8 idx)
 799 {
 800         struct acx_ap_rate_policy *acx;
 801         int ret = 0;
 802
 803         wl1271_debug(DEBUG_ACX, "acx ap rate policy");
 804
 805         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 806         if (!acx) {
 807                 ret = -ENOMEM;
 808                 goto out;
 809         }
 810
 811         acx->rate_policy.enabled_rates = cpu_to_le32(c->enabled_rates);
 812         acx->rate_policy.short_retry_limit = c->short_retry_limit;
 813         acx->rate_policy.long_retry_limit = c->long_retry_limit;
 814         acx->rate_policy.aflags = c->aflags;
 815
 816         acx->rate_policy_idx = cpu_to_le32(idx);
 817
 818         ret = wl1271_cmd_configure(wl, ACX_RATE_POLICY, acx, sizeof(*acx));
 819         if (ret < 0) {
 820                 wl1271_warning("Setting of ap rate policy failed: %d", ret);
 821                 goto out;
 822         }
 823
 824 out:
 825         kfree(acx);
 826         return ret;
 827 }
 828
 829 int wl1271_acx_ac_cfg(struct wl1271 *wl, u8 ac, u8 cw_min, u16 cw_max,
 830                       u8 aifsn, u16 txop)
 831 {
 832         struct acx_ac_cfg *acx;
 833         int ret = 0;
 834
 835         wl1271_debug(DEBUG_ACX, "acx ac cfg %d cw_ming %d cw_max %d "
 836                      "aifs %d txop %d", ac, cw_min, cw_max, aifsn, txop);
 837
 838         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 839
 840         if (!acx) {
 841                 ret = -ENOMEM;
 842                 goto out;
 843         }
 844
 845         acx->ac = ac;
 846         acx->cw_min = cw_min;
 847         acx->cw_max = cpu_to_le16(cw_max);
 848         acx->aifsn = aifsn;
 849         acx->tx_op_limit = cpu_to_le16(txop);
 850
 851         ret = wl1271_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
 852         if (ret < 0) {
 853                 wl1271_warning("acx ac cfg failed: %d", ret);
 854                 goto out;
 855         }
 856
 857 out:
 858         kfree(acx);
 859         return ret;
 860 }
 861
 862 int wl1271_acx_tid_cfg(struct wl1271 *wl, u8 queue_id, u8 channel_type,
 863                        u8 tsid, u8 ps_scheme, u8 ack_policy,
 864                        u32 apsd_conf0, u32 apsd_conf1)
 865 {
 866         struct acx_tid_config *acx;
 867         int ret = 0;
 868
 869         wl1271_debug(DEBUG_ACX, "acx tid config");
 870
 871         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 872
 873         if (!acx) {
 874                 ret = -ENOMEM;
 875                 goto out;
 876         }
 877
 878         acx->queue_id = queue_id;
 879         acx->channel_type = channel_type;
 880         acx->tsid = tsid;
 881         acx->ps_scheme = ps_scheme;
 882         acx->ack_policy = ack_policy;
 883         acx->apsd_conf[0] = cpu_to_le32(apsd_conf0);
 884         acx->apsd_conf[1] = cpu_to_le32(apsd_conf1);
 885
 886         ret = wl1271_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
 887         if (ret < 0) {
 888                 wl1271_warning("Setting of tid config failed: %d", ret);
 889                 goto out;
 890         }
 891
 892 out:
 893         kfree(acx);
 894         return ret;
 895 }
 896
 897 int wl1271_acx_frag_threshold(struct wl1271 *wl, u16 frag_threshold)
 898 {
 899         struct acx_frag_threshold *acx;
 900         int ret = 0;
 901
 902         wl1271_debug(DEBUG_ACX, "acx frag threshold");
 903
 904         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 905
 906         if (!acx) {
 907                 ret = -ENOMEM;
 908                 goto out;
 909         }
 910
 911         acx->frag_threshold = cpu_to_le16(frag_threshold);
 912         ret = wl1271_cmd_configure(wl, ACX_FRAG_CFG, acx, sizeof(*acx));
 913         if (ret < 0) {
 914                 wl1271_warning("Setting of frag threshold failed: %d", ret);
 915                 goto out;
 916         }
 917
 918 out:
 919         kfree(acx);
 920         return ret;
 921 }
 922
 923 int wl1271_acx_tx_config_options(struct wl1271 *wl)
 924 {
 925         struct acx_tx_config_options *acx;
 926         int ret = 0;
 927
 928         wl1271_debug(DEBUG_ACX, "acx tx config options");
 929
 930         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
 931
 932         if (!acx) {
 933                 ret = -ENOMEM;
 934                 goto out;
 935         }
 936
 937         acx->tx_compl_timeout = cpu_to_le16(wl->conf.tx.tx_compl_timeout);
 938         acx->tx_compl_threshold = cpu_to_le16(wl->conf.tx.tx_compl_threshold);
 939         ret = wl1271_cmd_configure(wl, ACX_TX_CONFIG_OPT, acx, sizeof(*acx));
 940         if (ret < 0) {
 941                 wl1271_warning("Setting of tx options failed: %d", ret);
 942                 goto out;
 943         }
 944
 945 out:
 946         kfree(acx);
 947         return ret;
 948 }
 949
 950 int wl1271_acx_mem_cfg(struct wl1271 *wl)
 951 {
 952         struct wl1271_acx_config_memory *mem_conf;
 953         int ret;
 954
 955         wl1271_debug(DEBUG_ACX, "wl1271 mem cfg");
 956
 957         mem_conf = kzalloc(sizeof(*mem_conf), GFP_KERNEL);
 958         if (!mem_conf) {
 959                 ret = -ENOMEM;
 960                 goto out;
 961         }
 962
 963         /* memory config */
 964         mem_conf->num_stations = DEFAULT_NUM_STATIONS;
 965         mem_conf->rx_mem_block_num = ACX_RX_MEM_BLOCKS;
 966         mem_conf->tx_min_mem_block_num = ACX_TX_MIN_MEM_BLOCKS;
 967         mem_conf->num_ssid_profiles = ACX_NUM_SSID_PROFILES;
 968         mem_conf->total_tx_descriptors = cpu_to_le32(ACX_TX_DESCRIPTORS);
 969
 970         ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
 971                                    sizeof(*mem_conf));
 972         if (ret < 0) {
 973                 wl1271_warning("wl1271 mem config failed: %d", ret);
 974                 goto out;
 975         }
 976
 977 out:
 978         kfree(mem_conf);
 979         return ret;
 980 }
 981
 982 int wl1271_acx_init_mem_config(struct wl1271 *wl)
 983 {
 984         int ret;
 985
 986         ret = wl1271_acx_mem_cfg(wl);
 987         if (ret < 0)
 988                 return ret;
 989
 990         wl->target_mem_map = kzalloc(sizeof(struct wl1271_acx_mem_map),
 991                                      GFP_KERNEL);
 992         if (!wl->target_mem_map) {
 993                 wl1271_error("couldn't allocate target memory map");
 994                 return -ENOMEM;
 995         }
 996
 997         /* we now ask for the firmware built memory map */
 998         ret = wl1271_acx_mem_map(wl, (void *)wl->target_mem_map,
 999                                  sizeof(struct wl1271_acx_mem_map));
1000         if (ret < 0) {
1001                 wl1271_error("couldn't retrieve firmware memory map");
1002                 kfree(wl->target_mem_map);
1003                 wl->target_mem_map = NULL;
1004                 return ret;
1005         }
1006
1007         /* initialize TX block book keeping */
1008         wl->tx_blocks_available =
1009                 le32_to_cpu(wl->target_mem_map->num_tx_mem_blocks);
1010         wl1271_debug(DEBUG_TX, "available tx blocks: %d",
1011                      wl->tx_blocks_available);
1012
1013         return 0;
1014 }
1015
1016 int wl1271_acx_init_rx_interrupt(struct wl1271 *wl)
1017 {
1018         struct wl1271_acx_rx_config_opt *rx_conf;
1019         int ret;
1020
1021         wl1271_debug(DEBUG_ACX, "wl1271 rx interrupt config");
1022
1023         rx_conf = kzalloc(sizeof(*rx_conf), GFP_KERNEL);
1024         if (!rx_conf) {
1025                 ret = -ENOMEM;
1026                 goto out;
1027         }
1028
1029         rx_conf->threshold = cpu_to_le16(wl->conf.rx.irq_pkt_threshold);
1030         rx_conf->timeout = cpu_to_le16(wl->conf.rx.irq_timeout);
1031         rx_conf->mblk_threshold = cpu_to_le16(wl->conf.rx.irq_blk_threshold);
1032         rx_conf->queue_type = wl->conf.rx.queue_type;
1033
1034         ret = wl1271_cmd_configure(wl, ACX_RX_CONFIG_OPT, rx_conf,
1035                                    sizeof(*rx_conf));
1036         if (ret < 0) {
1037                 wl1271_warning("wl1271 rx config opt failed: %d", ret);
1038                 goto out;
1039         }
1040
1041 out:
1042         kfree(rx_conf);
1043         return ret;
1044 }
1045
1046 int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable)
1047 {
1048         struct wl1271_acx_bet_enable *acx = NULL;
1049         int ret = 0;
1050
1051         wl1271_debug(DEBUG_ACX, "acx bet enable");
1052
1053         if (enable && wl->conf.conn.bet_enable == CONF_BET_MODE_DISABLE)
1054                 goto out;
1055
1056         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1057         if (!acx) {
1058                 ret = -ENOMEM;
1059                 goto out;
1060         }
1061
1062         acx->enable = enable ? CONF_BET_MODE_ENABLE : CONF_BET_MODE_DISABLE;
1063         acx->max_consecutive = wl->conf.conn.bet_max_consecutive;
1064
1065         ret = wl1271_cmd_configure(wl, ACX_BET_ENABLE, acx, sizeof(*acx));
1066         if (ret < 0) {
1067                 wl1271_warning("acx bet enable failed: %d", ret);
1068                 goto out;
1069         }
1070
1071 out:
1072         kfree(acx);
1073         return ret;
1074 }
1075
1076 int wl1271_acx_arp_ip_filter(struct wl1271 *wl, u8 enable, __be32 address)
1077 {
1078         struct wl1271_acx_arp_filter *acx;
1079         int ret;
1080
1081         wl1271_debug(DEBUG_ACX, "acx arp ip filter, enable: %d", enable);
1082
1083         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1084         if (!acx) {
1085                 ret = -ENOMEM;
1086                 goto out;
1087         }
1088
1089         acx->version = ACX_IPV4_VERSION;
1090         acx->enable = enable;
1091
1092         if (enable)
1093                 memcpy(acx->address, &address, ACX_IPV4_ADDR_SIZE);
1094
1095         ret = wl1271_cmd_configure(wl, ACX_ARP_IP_FILTER,
1096                                    acx, sizeof(*acx));
1097         if (ret < 0) {
1098                 wl1271_warning("failed to set arp ip filter: %d", ret);
1099                 goto out;
1100         }
1101
1102 out:
1103         kfree(acx);
1104         return ret;
1105 }
1106
1107 int wl1271_acx_pm_config(struct wl1271 *wl)
1108 {
1109         struct wl1271_acx_pm_config *acx = NULL;
1110         struct  conf_pm_config_settings *c = &wl->conf.pm_config;
1111         int ret = 0;
1112
1113         wl1271_debug(DEBUG_ACX, "acx pm config");
1114
1115         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1116         if (!acx) {
1117                 ret = -ENOMEM;
1118                 goto out;
1119         }
1120
1121         acx->host_clk_settling_time = cpu_to_le32(c->host_clk_settling_time);
1122         acx->host_fast_wakeup_support = c->host_fast_wakeup_support;
1123
1124         ret = wl1271_cmd_configure(wl, ACX_PM_CONFIG, acx, sizeof(*acx));
1125         if (ret < 0) {
1126                 wl1271_warning("acx pm config failed: %d", ret);
1127                 goto out;
1128         }
1129
1130 out:
1131         kfree(acx);
1132         return ret;
1133 }
1134
1135 int wl1271_acx_keep_alive_mode(struct wl1271 *wl, bool enable)
1136 {
1137         struct wl1271_acx_keep_alive_mode *acx = NULL;
1138         int ret = 0;
1139
1140         wl1271_debug(DEBUG_ACX, "acx keep alive mode: %d", enable);
1141
1142         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1143         if (!acx) {
1144                 ret = -ENOMEM;
1145                 goto out;
1146         }
1147
1148         acx->enabled = enable;
1149
1150         ret = wl1271_cmd_configure(wl, ACX_KEEP_ALIVE_MODE, acx, sizeof(*acx));
1151         if (ret < 0) {
1152                 wl1271_warning("acx keep alive mode failed: %d", ret);
1153                 goto out;
1154         }
1155
1156 out:
1157         kfree(acx);
1158         return ret;
1159 }
1160
1161 int wl1271_acx_keep_alive_config(struct wl1271 *wl, u8 index, u8 tpl_valid)
1162 {
1163         struct wl1271_acx_keep_alive_config *acx = NULL;
1164         int ret = 0;
1165
1166         wl1271_debug(DEBUG_ACX, "acx keep alive config");
1167
1168         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1169         if (!acx) {
1170                 ret = -ENOMEM;
1171                 goto out;
1172         }
1173
1174         acx->period = cpu_to_le32(wl->conf.conn.keep_alive_interval);
1175         acx->index = index;
1176         acx->tpl_validation = tpl_valid;
1177         acx->trigger = ACX_KEEP_ALIVE_NO_TX;
1178
1179         ret = wl1271_cmd_configure(wl, ACX_SET_KEEP_ALIVE_CONFIG,
1180                                    acx, sizeof(*acx));
1181         if (ret < 0) {
1182                 wl1271_warning("acx keep alive config failed: %d", ret);
1183                 goto out;
1184         }
1185
1186 out:
1187         kfree(acx);
1188         return ret;
1189 }
1190
1191 int wl1271_acx_rssi_snr_trigger(struct wl1271 *wl, bool enable,
1192                                 s16 thold, u8 hyst)
1193 {
1194         struct wl1271_acx_rssi_snr_trigger *acx = NULL;
1195         int ret = 0;
1196
1197         wl1271_debug(DEBUG_ACX, "acx rssi snr trigger");
1198
1199         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1200         if (!acx) {
1201                 ret = -ENOMEM;
1202                 goto out;
1203         }
1204
1205         wl->last_rssi_event = -1;
1206
1207         acx->pacing = cpu_to_le16(wl->conf.roam_trigger.trigger_pacing);
1208         acx->metric = WL1271_ACX_TRIG_METRIC_RSSI_BEACON;
1209         acx->type = WL1271_ACX_TRIG_TYPE_EDGE;
1210         if (enable)
1211                 acx->enable = WL1271_ACX_TRIG_ENABLE;
1212         else
1213                 acx->enable = WL1271_ACX_TRIG_DISABLE;
1214
1215         acx->index = WL1271_ACX_TRIG_IDX_RSSI;
1216         acx->dir = WL1271_ACX_TRIG_DIR_BIDIR;
1217         acx->threshold = cpu_to_le16(thold);
1218         acx->hysteresis = hyst;
1219
1220         ret = wl1271_cmd_configure(wl, ACX_RSSI_SNR_TRIGGER, acx, sizeof(*acx));
1221         if (ret < 0) {
1222                 wl1271_warning("acx rssi snr trigger setting failed: %d", ret);
1223                 goto out;
1224         }
1225
1226 out:
1227         kfree(acx);
1228         return ret;
1229 }
1230
1231 int wl1271_acx_rssi_snr_avg_weights(struct wl1271 *wl)
1232 {
1233         struct wl1271_acx_rssi_snr_avg_weights *acx = NULL;
1234         struct conf_roam_trigger_settings *c = &wl->conf.roam_trigger;
1235         int ret = 0;
1236
1237         wl1271_debug(DEBUG_ACX, "acx rssi snr avg weights");
1238
1239         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1240         if (!acx) {
1241                 ret = -ENOMEM;
1242                 goto out;
1243         }
1244
1245         acx->rssi_beacon = c->avg_weight_rssi_beacon;
1246         acx->rssi_data = c->avg_weight_rssi_data;
1247         acx->snr_beacon = c->avg_weight_snr_beacon;
1248         acx->snr_data = c->avg_weight_snr_data;
1249
1250         ret = wl1271_cmd_configure(wl, ACX_RSSI_SNR_WEIGHTS, acx, sizeof(*acx));
1251         if (ret < 0) {
1252                 wl1271_warning("acx rssi snr trigger weights failed: %d", ret);
1253                 goto out;
1254         }
1255
1256 out:
1257         kfree(acx);
1258         return ret;
1259 }
1260
1261 int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
1262                                     struct ieee80211_sta_ht_cap *ht_cap,
1263                                     bool allow_ht_operation)
1264 {
1265         struct wl1271_acx_ht_capabilities *acx;
1266         u8 mac_address[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1267         int ret = 0;
1268         u32 ht_capabilites = 0;
1269
1270         wl1271_debug(DEBUG_ACX, "acx ht capabilities setting");
1271
1272         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1273         if (!acx) {
1274                 ret = -ENOMEM;
1275                 goto out;
1276         }
1277
1278         /* Allow HT Operation ? */
1279         if (allow_ht_operation) {
1280                 ht_capabilites =
1281                         WL1271_ACX_FW_CAP_HT_OPERATION;
1282                 if (ht_cap->cap & IEEE80211_HT_CAP_GRN_FLD)
1283                         ht_capabilites |=
1284                                 WL1271_ACX_FW_CAP_GREENFIELD_FRAME_FORMAT;
1285                 if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
1286                         ht_capabilites |=
1287                                 WL1271_ACX_FW_CAP_SHORT_GI_FOR_20MHZ_PACKETS;
1288                 if (ht_cap->cap & IEEE80211_HT_CAP_LSIG_TXOP_PROT)
1289                         ht_capabilites |=
1290                                 WL1271_ACX_FW_CAP_LSIG_TXOP_PROTECTION;
1291
1292                 /* get data from A-MPDU parameters field */
1293                 acx->ampdu_max_length = ht_cap->ampdu_factor;
1294                 acx->ampdu_min_spacing = ht_cap->ampdu_density;
1295
1296                 memcpy(acx->mac_address, mac_address, ETH_ALEN);
1297         }
1298
1299         acx->ht_capabilites = cpu_to_le32(ht_capabilites);
1300
1301         ret = wl1271_cmd_configure(wl, ACX_PEER_HT_CAP, acx, sizeof(*acx));
1302         if (ret < 0) {
1303                 wl1271_warning("acx ht capabilities setting failed: %d", ret);
1304                 goto out;
1305         }
1306
1307 out:
1308         kfree(acx);
1309         return ret;
1310 }
1311
1312 int wl1271_acx_set_ht_information(struct wl1271 *wl,
1313                                    u16 ht_operation_mode)
1314 {
1315         struct wl1271_acx_ht_information *acx;
1316         int ret = 0;
1317
1318         wl1271_debug(DEBUG_ACX, "acx ht information setting");
1319
1320         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1321         if (!acx) {
1322                 ret = -ENOMEM;
1323                 goto out;
1324         }
1325
1326         acx->ht_protection =
1327                 (u8)(ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION);
1328         acx->rifs_mode = 0;
1329         acx->gf_protection = 0;
1330         acx->ht_tx_burst_limit = 0;
1331         acx->dual_cts_protection = 0;
1332
1333         ret = wl1271_cmd_configure(wl, ACX_HT_BSS_OPERATION, acx, sizeof(*acx));
1334
1335         if (ret < 0) {
1336                 wl1271_warning("acx ht information setting failed: %d", ret);
1337                 goto out;
1338         }
1339
1340 out:
1341         kfree(acx);
1342         return ret;
1343 }
1344
1345 /* Configure BA session initiator/receiver parameters setting in the FW. */
1346 int wl1271_acx_set_ba_session(struct wl1271 *wl,
1347                                enum ieee80211_back_parties direction,
1348                                u8 tid_index, u8 policy)
1349 {
1350         struct wl1271_acx_ba_session_policy *acx;
1351         int ret;
1352
1353         wl1271_debug(DEBUG_ACX, "acx ba session setting");
1354
1355         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1356         if (!acx) {
1357                 ret = -ENOMEM;
1358                 goto out;
1359         }
1360
1361         /* ANY role */
1362         acx->role_id = 0xff;
1363         acx->tid = tid_index;
1364         acx->enable = policy;
1365         acx->ba_direction = direction;
1366
1367         switch (direction) {
1368         case WLAN_BACK_INITIATOR:
1369                 acx->win_size = wl->conf.ht.tx_ba_win_size;
1370                 acx->inactivity_timeout = wl->conf.ht.inactivity_timeout;
1371                 break;
1372         case WLAN_BACK_RECIPIENT:
1373                 acx->win_size = RX_BA_WIN_SIZE;
1374                 acx->inactivity_timeout = 0;
1375                 break;
1376         default:
1377                 wl1271_error("Incorrect acx command id=%x\n", direction);
1378                 ret = -EINVAL;
1379                 goto out;
1380         }
1381
1382         ret = wl1271_cmd_configure(wl,
1383                                    ACX_BA_SESSION_POLICY_CFG,
1384                                    acx,
1385                                    sizeof(*acx));
1386         if (ret < 0) {
1387                 wl1271_warning("acx ba session setting failed: %d", ret);
1388                 goto out;
1389         }
1390
1391 out:
1392         kfree(acx);
1393         return ret;
1394 }
1395
1396 /* setup BA session receiver setting in the FW. */
1397 int wl1271_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index, u16 ssn,
1398                                         bool enable)
1399 {
1400         struct wl1271_acx_ba_receiver_setup *acx;
1401         int ret;
1402
1403         wl1271_debug(DEBUG_ACX, "acx ba receiver session setting");
1404
1405         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1406         if (!acx) {
1407                 ret = -ENOMEM;
1408                 goto out;
1409         }
1410
1411         /* Single link for now */
1412         acx->link_id = 1;
1413         acx->tid = tid_index;
1414         acx->enable = enable;
1415         acx->win_size = 0;
1416         acx->ssn = ssn;
1417
1418         ret = wl1271_cmd_configure(wl, ACX_BA_SESSION_RX_SETUP, acx,
1419                                    sizeof(*acx));
1420         if (ret < 0) {
1421                 wl1271_warning("acx ba receiver session failed: %d", ret);
1422                 goto out;
1423         }
1424
1425 out:
1426         kfree(acx);
1427         return ret;
1428 }
1429
1430 int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime)
1431 {
1432         struct wl1271_acx_fw_tsf_information *tsf_info;
1433         int ret;
1434
1435         tsf_info = kzalloc(sizeof(*tsf_info), GFP_KERNEL);
1436         if (!tsf_info) {
1437                 ret = -ENOMEM;
1438                 goto out;
1439         }
1440
1441         ret = wl1271_cmd_interrogate(wl, ACX_TSF_INFO,
1442                                      tsf_info, sizeof(*tsf_info));
1443         if (ret < 0) {
1444                 wl1271_warning("acx tsf info interrogate failed");
1445                 goto out;
1446         }
1447
1448         *mactime = le32_to_cpu(tsf_info->current_tsf_low) |
1449                 ((u64) le32_to_cpu(tsf_info->current_tsf_high) << 32);
1450
1451 out:
1452         kfree(tsf_info);
1453         return ret;
1454 }
1455
1456 int wl1271_acx_max_tx_retry(struct wl1271 *wl)
1457 {
1458         struct wl1271_acx_max_tx_retry *acx = NULL;
1459         int ret;
1460
1461         wl1271_debug(DEBUG_ACX, "acx max tx retry");
1462
1463         acx = kzalloc(sizeof(*acx), GFP_KERNEL);
1464         if (!acx)
1465                 return -ENOMEM;
1466
1467         acx->max_tx_retry = cpu_to_le16(wl->conf.tx.ap_max_tx_retries);
1468
1469         ret = wl1271_cmd_configure(wl, ACX_MAX_TX_FAILURE, acx, sizeof(*acx));
1470         if (ret < 0) {
1471                 wl1271_warning("acx max tx retry failed: %d", ret);
1472                 goto out;
1473         }
1474
1475 out:
1476         kfree(acx);
1477         return ret;
1478 }