drivers/net/wireless/wl12xx/init.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/kernel.h>
  25 #include <linux/module.h>
  26 #include <linux/slab.h>
  27
  28 #include "init.h"
  29 #include "wl12xx_80211.h"
  30 #include "acx.h"
  31 #include "cmd.h"
  32 #include "reg.h"
  33 #include "tx.h"
  34 #include "io.h"
  35
  36 int wl1271_sta_init_templates_config(struct wl1271 *wl)
  37 {
  38         int ret, i;
  39
  40         /* send empty templates for fw memory reservation */
  41         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
  42                                       WL1271_CMD_TEMPL_MAX_SIZE,
  43                                       0, WL1271_RATE_AUTOMATIC);
  44         if (ret < 0)
  45                 return ret;
  46
  47         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
  48                                       NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0,
  49                                       WL1271_RATE_AUTOMATIC);
  50         if (ret < 0)
  51                 return ret;
  52
  53         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
  54                                       sizeof(struct wl12xx_null_data_template),
  55                                       0, WL1271_RATE_AUTOMATIC);
  56         if (ret < 0)
  57                 return ret;
  58
  59         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
  60                                       sizeof(struct wl12xx_ps_poll_template),
  61                                       0, WL1271_RATE_AUTOMATIC);
  62         if (ret < 0)
  63                 return ret;
  64
  65         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
  66                                       sizeof
  67                                       (struct wl12xx_qos_null_data_template),
  68                                       0, WL1271_RATE_AUTOMATIC);
  69         if (ret < 0)
  70                 return ret;
  71
  72         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
  73                                       sizeof
  74                                       (struct wl12xx_probe_resp_template),
  75                                       0, WL1271_RATE_AUTOMATIC);
  76         if (ret < 0)
  77                 return ret;
  78
  79         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
  80                                       sizeof
  81                                       (struct wl12xx_beacon_template),
  82                                       0, WL1271_RATE_AUTOMATIC);
  83         if (ret < 0)
  84                 return ret;
  85
  86         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, NULL,
  87                                       sizeof
  88                                       (struct wl12xx_arp_rsp_template),
  89                                       0, WL1271_RATE_AUTOMATIC);
  90         if (ret < 0)
  91                 return ret;
  92
  93         for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
  94                 ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL,
  95                                               WL1271_CMD_TEMPL_MAX_SIZE, i,
  96                                               WL1271_RATE_AUTOMATIC);
  97                 if (ret < 0)
  98                         return ret;
  99         }
 100
 101         return 0;
 102 }
 103
 104 static int wl1271_ap_init_deauth_template(struct wl1271 *wl)
 105 {
 106         struct wl12xx_disconn_template *tmpl;
 107         int ret;
 108
 109         tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL);
 110         if (!tmpl) {
 111                 ret = -ENOMEM;
 112                 goto out;
 113         }
 114
 115         tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
 116                                              IEEE80211_STYPE_DEAUTH);
 117
 118         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP,
 119                                       tmpl, sizeof(*tmpl), 0,
 120                                       wl1271_tx_min_rate_get(wl));
 121
 122 out:
 123         kfree(tmpl);
 124         return ret;
 125 }
 126
 127 static int wl1271_ap_init_null_template(struct wl1271 *wl)
 128 {
 129         struct ieee80211_hdr_3addr *nullfunc;
 130         int ret;
 131
 132         nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL);
 133         if (!nullfunc) {
 134                 ret = -ENOMEM;
 135                 goto out;
 136         }
 137
 138         nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
 139                                               IEEE80211_STYPE_NULLFUNC |
 140                                               IEEE80211_FCTL_FROMDS);
 141
 142         /* nullfunc->addr1 is filled by FW */
 143
 144         memcpy(nullfunc->addr2, wl->mac_addr, ETH_ALEN);
 145         memcpy(nullfunc->addr3, wl->mac_addr, ETH_ALEN);
 146
 147         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, nullfunc,
 148                                       sizeof(*nullfunc), 0,
 149                                       wl1271_tx_min_rate_get(wl));
 150
 151 out:
 152         kfree(nullfunc);
 153         return ret;
 154 }
 155
 156 static int wl1271_ap_init_qos_null_template(struct wl1271 *wl)
 157 {
 158         struct ieee80211_qos_hdr *qosnull;
 159         int ret;
 160
 161         qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL);
 162         if (!qosnull) {
 163                 ret = -ENOMEM;
 164                 goto out;
 165         }
 166
 167         qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
 168                                              IEEE80211_STYPE_QOS_NULLFUNC |
 169                                              IEEE80211_FCTL_FROMDS);
 170
 171         /* qosnull->addr1 is filled by FW */
 172
 173         memcpy(qosnull->addr2, wl->mac_addr, ETH_ALEN);
 174         memcpy(qosnull->addr3, wl->mac_addr, ETH_ALEN);
 175
 176         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, qosnull,
 177                                       sizeof(*qosnull), 0,
 178                                       wl1271_tx_min_rate_get(wl));
 179
 180 out:
 181         kfree(qosnull);
 182         return ret;
 183 }
 184
 185 static int wl1271_ap_init_templates_config(struct wl1271 *wl)
 186 {
 187         int ret;
 188
 189         /*
 190          * Put very large empty placeholders for all templates. These
 191          * reserve memory for later.
 192          */
 193         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_PROBE_RESPONSE, NULL,
 194                                       sizeof
 195                                       (struct wl12xx_probe_resp_template),
 196                                       0, WL1271_RATE_AUTOMATIC);
 197         if (ret < 0)
 198                 return ret;
 199
 200         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_BEACON, NULL,
 201                                       sizeof
 202                                       (struct wl12xx_beacon_template),
 203                                       0, WL1271_RATE_AUTOMATIC);
 204         if (ret < 0)
 205                 return ret;
 206
 207         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP, NULL,
 208                                       sizeof
 209                                       (struct wl12xx_disconn_template),
 210                                       0, WL1271_RATE_AUTOMATIC);
 211         if (ret < 0)
 212                 return ret;
 213
 214         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
 215                                       sizeof(struct wl12xx_null_data_template),
 216                                       0, WL1271_RATE_AUTOMATIC);
 217         if (ret < 0)
 218                 return ret;
 219
 220         ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
 221                                       sizeof
 222                                       (struct wl12xx_qos_null_data_template),
 223                                       0, WL1271_RATE_AUTOMATIC);
 224         if (ret < 0)
 225                 return ret;
 226
 227         return 0;
 228 }
 229
 230 static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
 231 {
 232         int ret;
 233
 234         ret = wl1271_acx_rx_msdu_life_time(wl);
 235         if (ret < 0)
 236                 return ret;
 237
 238         ret = wl1271_acx_rx_config(wl, config, filter);
 239         if (ret < 0)
 240                 return ret;
 241
 242         return 0;
 243 }
 244
 245 int wl1271_init_phy_config(struct wl1271 *wl)
 246 {
 247         int ret;
 248
 249         ret = wl1271_acx_pd_threshold(wl);
 250         if (ret < 0)
 251                 return ret;
 252
 253         ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME);
 254         if (ret < 0)
 255                 return ret;
 256
 257         ret = wl1271_acx_service_period_timeout(wl);
 258         if (ret < 0)
 259                 return ret;
 260
 261         ret = wl1271_acx_rts_threshold(wl, wl->hw->wiphy->rts_threshold);
 262         if (ret < 0)
 263                 return ret;
 264
 265         return 0;
 266 }
 267
 268 static int wl1271_init_beacon_filter(struct wl1271 *wl)
 269 {
 270         int ret;
 271
 272         /* disable beacon filtering at this stage */
 273         ret = wl1271_acx_beacon_filter_opt(wl, false);
 274         if (ret < 0)
 275                 return ret;
 276
 277         ret = wl1271_acx_beacon_filter_table(wl);
 278         if (ret < 0)
 279                 return ret;
 280
 281         return 0;
 282 }
 283
 284 int wl1271_init_pta(struct wl1271 *wl)
 285 {
 286         int ret;
 287
 288         if (wl->bss_type == BSS_TYPE_AP_BSS)
 289                 ret = wl1271_acx_ap_sg_cfg(wl);
 290         else
 291                 ret = wl1271_acx_sta_sg_cfg(wl);
 292         if (ret < 0)
 293                 return ret;
 294
 295         ret = wl1271_acx_sg_enable(wl, wl->sg_enabled);
 296         if (ret < 0)
 297                 return ret;
 298
 299         return 0;
 300 }
 301
 302 int wl1271_init_energy_detection(struct wl1271 *wl)
 303 {
 304         int ret;
 305
 306         ret = wl1271_acx_cca_threshold(wl);
 307         if (ret < 0)
 308                 return ret;
 309
 310         return 0;
 311 }
 312
 313 static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
 314 {
 315         int ret;
 316
 317         ret = wl1271_acx_bcn_dtim_options(wl);
 318         if (ret < 0)
 319                 return ret;
 320
 321         return 0;
 322 }
 323
 324 static int wl12xx_init_fwlog(struct wl1271 *wl)
 325 {
 326         int ret;
 327
 328         if (wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED)
 329                 return 0;
 330
 331         ret = wl12xx_cmd_config_fwlog(wl);
 332         if (ret < 0)
 333                 return ret;
 334
 335         return 0;
 336 }
 337
 338 static int wl1271_sta_hw_init(struct wl1271 *wl)
 339 {
 340         int ret;
 341
 342         if (wl->chip.id != CHIP_ID_1283_PG20) {
 343                 ret = wl1271_cmd_ext_radio_parms(wl);
 344                 if (ret < 0)
 345                         return ret;
 346         }
 347
 348         /* PS config */
 349         ret = wl1271_acx_config_ps(wl);
 350         if (ret < 0)
 351                 return ret;
 352
 353         ret = wl1271_sta_init_templates_config(wl);
 354         if (ret < 0)
 355                 return ret;
 356
 357         ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
 358         if (ret < 0)
 359                 return ret;
 360
 361         /* Initialize connection monitoring thresholds */
 362         ret = wl1271_acx_conn_monit_params(wl, false);
 363         if (ret < 0)
 364                 return ret;
 365
 366         /* Beacon filtering */
 367         ret = wl1271_init_beacon_filter(wl);
 368         if (ret < 0)
 369                 return ret;
 370
 371         /* FM WLAN coexistence */
 372         ret = wl1271_acx_fm_coex(wl);
 373         if (ret < 0)
 374                 return ret;
 375
 376         /* Beacons and broadcast settings */
 377         ret = wl1271_init_beacon_broadcast(wl);
 378         if (ret < 0)
 379                 return ret;
 380
 381         /* Configure for ELP power saving */
 382         ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
 383         if (ret < 0)
 384                 return ret;
 385
 386         /* Configure rssi/snr averaging weights */
 387         ret = wl1271_acx_rssi_snr_avg_weights(wl);
 388         if (ret < 0)
 389                 return ret;
 390
 391         ret = wl1271_acx_sta_rate_policies(wl);
 392         if (ret < 0)
 393                 return ret;
 394
 395         ret = wl1271_acx_sta_mem_cfg(wl);
 396         if (ret < 0)
 397                 return ret;
 398
 399         /* Configure the FW logger */
 400         ret = wl12xx_init_fwlog(wl);
 401         if (ret < 0)
 402                 return ret;
 403
 404         return 0;
 405 }
 406
 407 static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl)
 408 {
 409         int ret, i;
 410
 411         ret = wl1271_cmd_set_sta_default_wep_key(wl, wl->default_key);
 412         if (ret < 0) {
 413                 wl1271_warning("couldn't set default key");
 414                 return ret;
 415         }
 416
 417         /* disable all keep-alive templates */
 418         for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
 419                 ret = wl1271_acx_keep_alive_config(wl, i,
 420                                                    ACX_KEEP_ALIVE_TPL_INVALID);
 421                 if (ret < 0)
 422                         return ret;
 423         }
 424
 425         /* disable the keep-alive feature */
 426         ret = wl1271_acx_keep_alive_mode(wl, false);
 427         if (ret < 0)
 428                 return ret;
 429
 430         return 0;
 431 }
 432
 433 static int wl1271_ap_hw_init(struct wl1271 *wl)
 434 {
 435         int ret;
 436
 437         ret = wl1271_ap_init_templates_config(wl);
 438         if (ret < 0)
 439                 return ret;
 440
 441         /* Configure for power always on */
 442         ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
 443         if (ret < 0)
 444                 return ret;
 445
 446         ret = wl1271_init_ap_rates(wl);
 447         if (ret < 0)
 448                 return ret;
 449
 450         ret = wl1271_acx_ap_max_tx_retry(wl);
 451         if (ret < 0)
 452                 return ret;
 453
 454         ret = wl1271_acx_ap_mem_cfg(wl);
 455         if (ret < 0)
 456                 return ret;
 457
 458         /* initialize Tx power */
 459         ret = wl1271_acx_tx_power(wl, wl->power_level);
 460         if (ret < 0)
 461                 return ret;
 462
 463         return 0;
 464 }
 465
 466 int wl1271_ap_init_templates(struct wl1271 *wl)
 467 {
 468         int ret;
 469
 470         ret = wl1271_ap_init_deauth_template(wl);
 471         if (ret < 0)
 472                 return ret;
 473
 474         ret = wl1271_ap_init_null_template(wl);
 475         if (ret < 0)
 476                 return ret;
 477
 478         ret = wl1271_ap_init_qos_null_template(wl);
 479         if (ret < 0)
 480                 return ret;
 481
 482         /*
 483          * when operating as AP we want to receive external beacons for
 484          * configuring ERP protection.
 485          */
 486         ret = wl1271_acx_set_ap_beacon_filter(wl, false);
 487         if (ret < 0)
 488                 return ret;
 489
 490         return 0;
 491 }
 492
 493 static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl)
 494 {
 495         return wl1271_ap_init_templates(wl);
 496 }
 497
 498 int wl1271_init_ap_rates(struct wl1271 *wl)
 499 {
 500         int i, ret;
 501         struct conf_tx_rate_class rc;
 502         u32 supported_rates;
 503
 504         wl1271_debug(DEBUG_AP, "AP basic rate set: 0x%x", wl->basic_rate_set);
 505
 506         if (wl->basic_rate_set == 0)
 507                 return -EINVAL;
 508
 509         rc.enabled_rates = wl->basic_rate_set;
 510         rc.long_retry_limit = 10;
 511         rc.short_retry_limit = 10;
 512         rc.aflags = 0;
 513         ret = wl1271_acx_ap_rate_policy(wl, &rc, ACX_TX_AP_MODE_MGMT_RATE);
 514         if (ret < 0)
 515                 return ret;
 516
 517         /* use the min basic rate for AP broadcast/multicast */
 518         rc.enabled_rates = wl1271_tx_min_rate_get(wl);
 519         rc.short_retry_limit = 10;
 520         rc.long_retry_limit = 10;
 521         rc.aflags = 0;
 522         ret = wl1271_acx_ap_rate_policy(wl, &rc, ACX_TX_AP_MODE_BCST_RATE);
 523         if (ret < 0)
 524                 return ret;
 525
 526         /*
 527          * If the basic rates contain OFDM rates, use OFDM only
 528          * rates for unicast TX as well. Else use all supported rates.
 529          */
 530         if ((wl->basic_rate_set & CONF_TX_OFDM_RATES))
 531                 supported_rates = CONF_TX_OFDM_RATES;
 532         else
 533                 supported_rates = CONF_TX_AP_ENABLED_RATES;
 534
 535         /* configure unicast TX rate classes */
 536         for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
 537                 rc.enabled_rates = supported_rates;
 538                 rc.short_retry_limit = 10;
 539                 rc.long_retry_limit = 10;
 540                 rc.aflags = 0;
 541                 ret = wl1271_acx_ap_rate_policy(wl, &rc, i);
 542                 if (ret < 0)
 543                         return ret;
 544         }
 545
 546         return 0;
 547 }
 548
 549 static void wl1271_check_ba_support(struct wl1271 *wl)
 550 {
 551         /* validate FW cose ver x.x.x.50-60.x */
 552         if ((wl->chip.fw_ver[3] >= WL12XX_BA_SUPPORT_FW_COST_VER2_START) &&
 553             (wl->chip.fw_ver[3] < WL12XX_BA_SUPPORT_FW_COST_VER2_END)) {
 554                 wl->ba_support = true;
 555                 return;
 556         }
 557
 558         wl->ba_support = false;
 559 }
 560
 561 static int wl1271_set_ba_policies(struct wl1271 *wl)
 562 {
 563         u8 tid_index;
 564         int ret = 0;
 565
 566         /* Reset the BA RX indicators */
 567         wl->ba_rx_bitmap = 0;
 568         wl->ba_allowed = true;
 569
 570         /* validate that FW support BA */
 571         wl1271_check_ba_support(wl);
 572
 573         if (wl->ba_support)
 574                 /* 802.11n initiator BA session setting */
 575                 for (tid_index = 0; tid_index < CONF_TX_MAX_TID_COUNT;
 576                      ++tid_index) {
 577                         ret = wl1271_acx_set_ba_session(wl, WLAN_BACK_INITIATOR,
 578                                                         tid_index, true);
 579                         if (ret < 0)
 580                                 break;
 581                 }
 582
 583         return ret;
 584 }
 585
 586 int wl1271_chip_specific_init(struct wl1271 *wl)
 587 {
 588         int ret = 0;
 589
 590         if (wl->chip.id == CHIP_ID_1283_PG20) {
 591                 u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE;
 592
 593                 if (wl->quirks & WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT)
 594                         /* Enable SDIO padding */
 595                         host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
 596
 597                 /* Must be before wl1271_acx_init_mem_config() */
 598                 ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap);
 599                 if (ret < 0)
 600                         goto out;
 601         }
 602 out:
 603         return ret;
 604 }
 605
 606
 607 int wl1271_hw_init(struct wl1271 *wl)
 608 {
 609         struct conf_tx_ac_category *conf_ac;
 610         struct conf_tx_tid *conf_tid;
 611         int ret, i;
 612         bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
 613
 614         if (wl->chip.id == CHIP_ID_1283_PG20)
 615                 ret = wl128x_cmd_general_parms(wl);
 616         else
 617                 ret = wl1271_cmd_general_parms(wl);
 618         if (ret < 0)
 619                 return ret;
 620
 621         if (wl->chip.id == CHIP_ID_1283_PG20)
 622                 ret = wl128x_cmd_radio_parms(wl);
 623         else
 624                 ret = wl1271_cmd_radio_parms(wl);
 625         if (ret < 0)
 626                 return ret;
 627
 628         /* Chip-specific init */
 629         ret = wl1271_chip_specific_init(wl);
 630         if (ret < 0)
 631                 return ret;
 632
 633         /* Mode specific init */
 634         if (is_ap)
 635                 ret = wl1271_ap_hw_init(wl);
 636         else
 637                 ret = wl1271_sta_hw_init(wl);
 638
 639         if (ret < 0)
 640                 return ret;
 641
 642         /* Bluetooth WLAN coexistence */
 643         ret = wl1271_init_pta(wl);
 644         if (ret < 0)
 645                 return ret;
 646
 647         /* Default memory configuration */
 648         ret = wl1271_acx_init_mem_config(wl);
 649         if (ret < 0)
 650                 return ret;
 651
 652         /* RX config */
 653         ret = wl1271_init_rx_config(wl,
 654                                     RX_CFG_PROMISCUOUS | RX_CFG_TSF,
 655                                     RX_FILTER_OPTION_DEF);
 656         /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS,
 657            RX_FILTER_OPTION_FILTER_ALL); */
 658         if (ret < 0)
 659                 goto out_free_memmap;
 660
 661         /* PHY layer config */
 662         ret = wl1271_init_phy_config(wl);
 663         if (ret < 0)
 664                 goto out_free_memmap;
 665
 666         ret = wl1271_acx_dco_itrim_params(wl);
 667         if (ret < 0)
 668                 goto out_free_memmap;
 669
 670         /* Configure TX patch complete interrupt behavior */
 671         ret = wl1271_acx_tx_config_options(wl);
 672         if (ret < 0)
 673                 goto out_free_memmap;
 674
 675         /* RX complete interrupt pacing */
 676         ret = wl1271_acx_init_rx_interrupt(wl);
 677         if (ret < 0)
 678                 goto out_free_memmap;
 679
 680         /* Energy detection */
 681         ret = wl1271_init_energy_detection(wl);
 682         if (ret < 0)
 683                 goto out_free_memmap;
 684
 685         /* Default fragmentation threshold */
 686         ret = wl1271_acx_frag_threshold(wl, wl->hw->wiphy->frag_threshold);
 687         if (ret < 0)
 688                 goto out_free_memmap;
 689
 690         /* Default TID/AC configuration */
 691         BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count);
 692         for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
 693                 conf_ac = &wl->conf.tx.ac_conf[i];
 694                 ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
 695                                         conf_ac->cw_max, conf_ac->aifsn,
 696                                         conf_ac->tx_op_limit);
 697                 if (ret < 0)
 698                         goto out_free_memmap;
 699
 700                 conf_tid = &wl->conf.tx.tid_conf[i];
 701                 ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
 702                                          conf_tid->channel_type,
 703                                          conf_tid->tsid,
 704                                          conf_tid->ps_scheme,
 705                                          conf_tid->ack_policy,
 706                                          conf_tid->apsd_conf[0],
 707                                          conf_tid->apsd_conf[1]);
 708                 if (ret < 0)
 709                         goto out_free_memmap;
 710         }
 711
 712         /* Enable data path */
 713         ret = wl1271_cmd_data_path(wl, 1);
 714         if (ret < 0)
 715                 goto out_free_memmap;
 716
 717         /* Configure HW encryption */
 718         ret = wl1271_acx_feature_cfg(wl);
 719         if (ret < 0)
 720                 goto out_free_memmap;
 721
 722         /* configure PM */
 723         ret = wl1271_acx_pm_config(wl);
 724         if (ret < 0)
 725                 goto out_free_memmap;
 726
 727         /* Mode specific init - post mem init */
 728         if (is_ap)
 729                 ret = wl1271_ap_hw_init_post_mem(wl);
 730         else
 731                 ret = wl1271_sta_hw_init_post_mem(wl);
 732
 733         if (ret < 0)
 734                 goto out_free_memmap;
 735
 736         /* Configure initiator BA sessions policies */
 737         ret = wl1271_set_ba_policies(wl);
 738         if (ret < 0)
 739                 goto out_free_memmap;
 740
 741         return 0;
 742
 743  out_free_memmap:
 744         kfree(wl->target_mem_map);
 745         wl->target_mem_map = NULL;
 746
 747         return ret;
 748 }