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 "debug.h" 29#include "init.h" 30#include "wl12xx_80211.h" 31#include "acx.h" 32#include "cmd.h" 33#include "tx.h" 34#include "io.h" 35#include "hw_ops.h" 36 37int wl1271_init_templates_config(struct wl1271 *wl) 38{ 39 int ret, i; 40 size_t max_size; 41 42 /* send empty templates for fw memory reservation */ 43 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 44 wl->scan_templ_id_2_4, NULL, 45 WL1271_CMD_TEMPL_MAX_SIZE, 46 0, WL1271_RATE_AUTOMATIC); 47 if (ret < 0) 48 return ret; 49 50 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 51 wl->scan_templ_id_5, 52 NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, 53 WL1271_RATE_AUTOMATIC); 54 if (ret < 0) 55 return ret; 56 57 if (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL) { 58 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 59 wl->sched_scan_templ_id_2_4, 60 NULL, 61 WL1271_CMD_TEMPL_MAX_SIZE, 62 0, WL1271_RATE_AUTOMATIC); 63 if (ret < 0) 64 return ret; 65 66 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 67 wl->sched_scan_templ_id_5, 68 NULL, 69 WL1271_CMD_TEMPL_MAX_SIZE, 70 0, WL1271_RATE_AUTOMATIC); 71 if (ret < 0) 72 return ret; 73 } 74 75 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 76 CMD_TEMPL_NULL_DATA, NULL, 77 sizeof(struct wl12xx_null_data_template), 78 0, WL1271_RATE_AUTOMATIC); 79 if (ret < 0) 80 return ret; 81 82 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 83 CMD_TEMPL_PS_POLL, NULL, 84 sizeof(struct wl12xx_ps_poll_template), 85 0, WL1271_RATE_AUTOMATIC); 86 if (ret < 0) 87 return ret; 88 89 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 90 CMD_TEMPL_QOS_NULL_DATA, NULL, 91 sizeof 92 (struct ieee80211_qos_hdr), 93 0, WL1271_RATE_AUTOMATIC); 94 if (ret < 0) 95 return ret; 96 97 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 98 CMD_TEMPL_PROBE_RESPONSE, NULL, 99 WL1271_CMD_TEMPL_DFLT_SIZE, 100 0, WL1271_RATE_AUTOMATIC); 101 if (ret < 0) 102 return ret; 103 104 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 105 CMD_TEMPL_BEACON, NULL, 106 WL1271_CMD_TEMPL_DFLT_SIZE, 107 0, WL1271_RATE_AUTOMATIC); 108 if (ret < 0) 109 return ret; 110 111 max_size = sizeof(struct wl12xx_arp_rsp_template) + 112 WL1271_EXTRA_SPACE_MAX; 113 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 114 CMD_TEMPL_ARP_RSP, NULL, 115 max_size, 116 0, WL1271_RATE_AUTOMATIC); 117 if (ret < 0) 118 return ret; 119 120 /* 121 * Put very large empty placeholders for all templates. These 122 * reserve memory for later. 123 */ 124 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 125 CMD_TEMPL_AP_PROBE_RESPONSE, NULL, 126 WL1271_CMD_TEMPL_MAX_SIZE, 127 0, WL1271_RATE_AUTOMATIC); 128 if (ret < 0) 129 return ret; 130 131 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 132 CMD_TEMPL_AP_BEACON, NULL, 133 WL1271_CMD_TEMPL_MAX_SIZE, 134 0, WL1271_RATE_AUTOMATIC); 135 if (ret < 0) 136 return ret; 137 138 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 139 CMD_TEMPL_DEAUTH_AP, NULL, 140 sizeof 141 (struct wl12xx_disconn_template), 142 0, WL1271_RATE_AUTOMATIC); 143 if (ret < 0) 144 return ret; 145 146 for (i = 0; i < WLCORE_MAX_KLV_TEMPLATES; i++) { 147 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 148 CMD_TEMPL_KLV, NULL, 149 sizeof(struct ieee80211_qos_hdr), 150 i, WL1271_RATE_AUTOMATIC); 151 if (ret < 0) 152 return ret; 153 } 154 155 return 0; 156} 157 158static int wl1271_ap_init_deauth_template(struct wl1271 *wl, 159 struct wl12xx_vif *wlvif) 160{ 161 struct wl12xx_disconn_template *tmpl; 162 int ret; 163 u32 rate; 164 165 tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL); 166 if (!tmpl) { 167 ret = -ENOMEM; 168 goto out; 169 } 170 171 tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | 172 IEEE80211_STYPE_DEAUTH); 173 174 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); 175 ret = wl1271_cmd_template_set(wl, wlvif->role_id, 176 CMD_TEMPL_DEAUTH_AP, 177 tmpl, sizeof(*tmpl), 0, rate); 178 179out: 180 kfree(tmpl); 181 return ret; 182} 183 184static int wl1271_ap_init_null_template(struct wl1271 *wl, 185 struct ieee80211_vif *vif) 186{ 187 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 188 struct ieee80211_hdr_3addr *nullfunc; 189 int ret; 190 u32 rate; 191 192 nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL); 193 if (!nullfunc) { 194 ret = -ENOMEM; 195 goto out; 196 } 197 198 nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 199 IEEE80211_STYPE_NULLFUNC | 200 IEEE80211_FCTL_FROMDS); 201 202 /* nullfunc->addr1 is filled by FW */ 203 204 memcpy(nullfunc->addr2, vif->addr, ETH_ALEN); 205 memcpy(nullfunc->addr3, vif->addr, ETH_ALEN); 206 207 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); 208 ret = wl1271_cmd_template_set(wl, wlvif->role_id, 209 CMD_TEMPL_NULL_DATA, nullfunc, 210 sizeof(*nullfunc), 0, rate); 211 212out: 213 kfree(nullfunc); 214 return ret; 215} 216 217static int wl1271_ap_init_qos_null_template(struct wl1271 *wl, 218 struct ieee80211_vif *vif) 219{ 220 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 221 struct ieee80211_qos_hdr *qosnull; 222 int ret; 223 u32 rate; 224 225 qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL); 226 if (!qosnull) { 227 ret = -ENOMEM; 228 goto out; 229 } 230 231 qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 232 IEEE80211_STYPE_QOS_NULLFUNC | 233 IEEE80211_FCTL_FROMDS); 234 235 /* qosnull->addr1 is filled by FW */ 236 237 memcpy(qosnull->addr2, vif->addr, ETH_ALEN); 238 memcpy(qosnull->addr3, vif->addr, ETH_ALEN); 239 240 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); 241 ret = wl1271_cmd_template_set(wl, wlvif->role_id, 242 CMD_TEMPL_QOS_NULL_DATA, qosnull, 243 sizeof(*qosnull), 0, rate); 244 245out: 246 kfree(qosnull); 247 return ret; 248} 249 250static int wl12xx_init_rx_config(struct wl1271 *wl) 251{ 252 int ret; 253 254 ret = wl1271_acx_rx_msdu_life_time(wl); 255 if (ret < 0) 256 return ret; 257 258 return 0; 259} 260 261static int wl12xx_init_phy_vif_config(struct wl1271 *wl, 262 struct wl12xx_vif *wlvif) 263{ 264 int ret; 265 266 ret = wl1271_acx_slot(wl, wlvif, DEFAULT_SLOT_TIME); 267 if (ret < 0) 268 return ret; 269 270 ret = wl1271_acx_service_period_timeout(wl, wlvif); 271 if (ret < 0) 272 return ret; 273 274 ret = wl1271_acx_rts_threshold(wl, wlvif, wl->hw->wiphy->rts_threshold); 275 if (ret < 0) 276 return ret; 277 278 return 0; 279} 280 281static int wl1271_init_sta_beacon_filter(struct wl1271 *wl, 282 struct wl12xx_vif *wlvif) 283{ 284 int ret; 285 286 ret = wl1271_acx_beacon_filter_table(wl, wlvif); 287 if (ret < 0) 288 return ret; 289 290 /* disable beacon filtering until we get the first beacon */ 291 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); 292 if (ret < 0) 293 return ret; 294 295 return 0; 296} 297 298int wl1271_init_pta(struct wl1271 *wl) 299{ 300 int ret; 301 302 ret = wl12xx_acx_sg_cfg(wl); 303 if (ret < 0) 304 return ret; 305 306 ret = wl1271_acx_sg_enable(wl, wl->sg_enabled); 307 if (ret < 0) 308 return ret; 309 310 return 0; 311} 312 313int wl1271_init_energy_detection(struct wl1271 *wl) 314{ 315 int ret; 316 317 ret = wl1271_acx_cca_threshold(wl); 318 if (ret < 0) 319 return ret; 320 321 return 0; 322} 323 324static int wl1271_init_beacon_broadcast(struct wl1271 *wl, 325 struct wl12xx_vif *wlvif) 326{ 327 int ret; 328 329 ret = wl1271_acx_bcn_dtim_options(wl, wlvif); 330 if (ret < 0) 331 return ret; 332 333 return 0; 334} 335 336static int wl12xx_init_fwlog(struct wl1271 *wl) 337{ 338 int ret; 339 340 if (wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) 341 return 0; 342 343 ret = wl12xx_cmd_config_fwlog(wl); 344 if (ret < 0) 345 return ret; 346 347 return 0; 348} 349 350/* generic sta initialization (non vif-specific) */ 351static int wl1271_sta_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif) 352{ 353 int ret; 354 355 /* PS config */ 356 ret = wl12xx_acx_config_ps(wl, wlvif); 357 if (ret < 0) 358 return ret; 359 360 /* FM WLAN coexistence */ 361 ret = wl1271_acx_fm_coex(wl); 362 if (ret < 0) 363 return ret; 364 365 ret = wl1271_acx_sta_rate_policies(wl, wlvif); 366 if (ret < 0) 367 return ret; 368 369 return 0; 370} 371 372static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl, 373 struct ieee80211_vif *vif) 374{ 375 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 376 int ret; 377 378 /* disable the keep-alive feature */ 379 ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); 380 if (ret < 0) 381 return ret; 382 383 return 0; 384} 385 386/* generic ap initialization (non vif-specific) */ 387static int wl1271_ap_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif) 388{ 389 int ret; 390 391 ret = wl1271_init_ap_rates(wl, wlvif); 392 if (ret < 0) 393 return ret; 394 395 return 0; 396} 397 398int wl1271_ap_init_templates(struct wl1271 *wl, struct ieee80211_vif *vif) 399{ 400 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 401 int ret; 402 403 ret = wl1271_ap_init_deauth_template(wl, wlvif); 404 if (ret < 0) 405 return ret; 406 407 ret = wl1271_ap_init_null_template(wl, vif); 408 if (ret < 0) 409 return ret; 410 411 ret = wl1271_ap_init_qos_null_template(wl, vif); 412 if (ret < 0) 413 return ret; 414 415 /* 416 * when operating as AP we want to receive external beacons for 417 * configuring ERP protection. 418 */ 419 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); 420 if (ret < 0) 421 return ret; 422 423 return 0; 424} 425 426static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl, 427 struct ieee80211_vif *vif) 428{ 429 return wl1271_ap_init_templates(wl, vif); 430} 431 432int wl1271_init_ap_rates(struct wl1271 *wl, struct wl12xx_vif *wlvif) 433{ 434 int i, ret; 435 struct conf_tx_rate_class rc; 436 u32 supported_rates; 437 438 wl1271_debug(DEBUG_AP, "AP basic rate set: 0x%x", 439 wlvif->basic_rate_set); 440 441 if (wlvif->basic_rate_set == 0) 442 return -EINVAL; 443 444 rc.enabled_rates = wlvif->basic_rate_set; 445 rc.long_retry_limit = 10; 446 rc.short_retry_limit = 10; 447 rc.aflags = 0; 448 ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.mgmt_rate_idx); 449 if (ret < 0) 450 return ret; 451 452 /* use the min basic rate for AP broadcast/multicast */ 453 rc.enabled_rates = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); 454 rc.short_retry_limit = 10; 455 rc.long_retry_limit = 10; 456 rc.aflags = 0; 457 ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.bcast_rate_idx); 458 if (ret < 0) 459 return ret; 460 461 /* 462 * If the basic rates contain OFDM rates, use OFDM only 463 * rates for unicast TX as well. Else use all supported rates. 464 */ 465 if (wl->ofdm_only_ap && (wlvif->basic_rate_set & CONF_TX_OFDM_RATES)) 466 supported_rates = CONF_TX_OFDM_RATES; 467 else 468 supported_rates = CONF_TX_ENABLED_RATES; 469 470 /* unconditionally enable HT rates */ 471 supported_rates |= CONF_TX_MCS_RATES; 472 473 /* get extra MIMO or wide-chan rates where the HW supports it */ 474 supported_rates |= wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); 475 476 /* configure unicast TX rate classes */ 477 for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { 478 rc.enabled_rates = supported_rates; 479 rc.short_retry_limit = 10; 480 rc.long_retry_limit = 10; 481 rc.aflags = 0; 482 ret = wl1271_acx_ap_rate_policy(wl, &rc, 483 wlvif->ap.ucast_rate_idx[i]); 484 if (ret < 0) 485 return ret; 486 } 487 488 return 0; 489} 490 491static int wl1271_set_ba_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif) 492{ 493 /* Reset the BA RX indicators */ 494 wlvif->ba_allowed = true; 495 wl->ba_rx_session_count = 0; 496 497 /* BA is supported in STA/AP modes */ 498 if (wlvif->bss_type != BSS_TYPE_AP_BSS && 499 wlvif->bss_type != BSS_TYPE_STA_BSS) { 500 wlvif->ba_support = false; 501 return 0; 502 } 503 504 wlvif->ba_support = true; 505 506 /* 802.11n initiator BA session setting */ 507 return wl12xx_acx_set_ba_initiator_policy(wl, wlvif); 508} 509 510/* vif-specifc initialization */ 511static int wl12xx_init_sta_role(struct wl1271 *wl, struct wl12xx_vif *wlvif) 512{ 513 int ret; 514 515 ret = wl1271_acx_group_address_tbl(wl, wlvif, true, NULL, 0); 516 if (ret < 0) 517 return ret; 518 519 /* Initialize connection monitoring thresholds */ 520 ret = wl1271_acx_conn_monit_params(wl, wlvif, false); 521 if (ret < 0) 522 return ret; 523 524 /* Beacon filtering */ 525 ret = wl1271_init_sta_beacon_filter(wl, wlvif); 526 if (ret < 0) 527 return ret; 528 529 /* Beacons and broadcast settings */ 530 ret = wl1271_init_beacon_broadcast(wl, wlvif); 531 if (ret < 0) 532 return ret; 533 534 /* Configure rssi/snr averaging weights */ 535 ret = wl1271_acx_rssi_snr_avg_weights(wl, wlvif); 536 if (ret < 0) 537 return ret; 538 539 return 0; 540} 541 542/* vif-specific intialization */ 543static int wl12xx_init_ap_role(struct wl1271 *wl, struct wl12xx_vif *wlvif) 544{ 545 int ret; 546 547 ret = wl1271_acx_ap_max_tx_retry(wl, wlvif); 548 if (ret < 0) 549 return ret; 550 551 /* initialize Tx power */ 552 ret = wl1271_acx_tx_power(wl, wlvif, wlvif->power_level); 553 if (ret < 0) 554 return ret; 555 556 return 0; 557} 558 559int wl1271_init_vif_specific(struct wl1271 *wl, struct ieee80211_vif *vif) 560{ 561 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 562 struct conf_tx_ac_category *conf_ac; 563 struct conf_tx_tid *conf_tid; 564 bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); 565 int ret, i; 566 567 /* consider all existing roles before configuring psm. */ 568 569 if (wl->ap_count == 0 && is_ap) { /* first AP */ 570 /* Configure for power always on */ 571 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); 572 if (ret < 0) 573 return ret; 574 575 /* unmask ap events */ 576 wl->event_mask |= wl->ap_event_mask; 577 ret = wl1271_event_unmask(wl); 578 if (ret < 0) 579 return ret; 580 /* first STA, no APs */ 581 } else if (wl->sta_count == 0 && wl->ap_count == 0 && !is_ap) { 582 u8 sta_auth = wl->conf.conn.sta_sleep_auth; 583 /* Configure for power according to debugfs */ 584 if (sta_auth != WL1271_PSM_ILLEGAL) 585 ret = wl1271_acx_sleep_auth(wl, sta_auth); 586 /* Configure for ELP power saving */ 587 else 588 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); 589 590 if (ret < 0) 591 return ret; 592 } 593 594 /* Mode specific init */ 595 if (is_ap) { 596 ret = wl1271_ap_hw_init(wl, wlvif); 597 if (ret < 0) 598 return ret; 599 600 ret = wl12xx_init_ap_role(wl, wlvif); 601 if (ret < 0) 602 return ret; 603 } else { 604 ret = wl1271_sta_hw_init(wl, wlvif); 605 if (ret < 0) 606 return ret; 607 608 ret = wl12xx_init_sta_role(wl, wlvif); 609 if (ret < 0) 610 return ret; 611 } 612 613 wl12xx_init_phy_vif_config(wl, wlvif); 614 615 /* Default TID/AC configuration */ 616 BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count); 617 for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { 618 conf_ac = &wl->conf.tx.ac_conf[i]; 619 ret = wl1271_acx_ac_cfg(wl, wlvif, conf_ac->ac, 620 conf_ac->cw_min, conf_ac->cw_max, 621 conf_ac->aifsn, conf_ac->tx_op_limit); 622 if (ret < 0) 623 return ret; 624 625 conf_tid = &wl->conf.tx.tid_conf[i]; 626 ret = wl1271_acx_tid_cfg(wl, wlvif, 627 conf_tid->queue_id, 628 conf_tid->channel_type, 629 conf_tid->tsid, 630 conf_tid->ps_scheme, 631 conf_tid->ack_policy, 632 conf_tid->apsd_conf[0], 633 conf_tid->apsd_conf[1]); 634 if (ret < 0) 635 return ret; 636 } 637 638 /* Configure HW encryption */ 639 ret = wl1271_acx_feature_cfg(wl, wlvif); 640 if (ret < 0) 641 return ret; 642 643 /* Mode specific init - post mem init */ 644 if (is_ap) 645 ret = wl1271_ap_hw_init_post_mem(wl, vif); 646 else 647 ret = wl1271_sta_hw_init_post_mem(wl, vif); 648 649 if (ret < 0) 650 return ret; 651 652 /* Configure initiator BA sessions policies */ 653 ret = wl1271_set_ba_policies(wl, wlvif); 654 if (ret < 0) 655 return ret; 656 657 ret = wlcore_hw_init_vif(wl, wlvif); 658 if (ret < 0) 659 return ret; 660 661 return 0; 662} 663 664int wl1271_hw_init(struct wl1271 *wl) 665{ 666 int ret; 667 668 /* Chip-specific hw init */ 669 ret = wl->ops->hw_init(wl); 670 if (ret < 0) 671 return ret; 672 673 /* Init templates */ 674 ret = wl1271_init_templates_config(wl); 675 if (ret < 0) 676 return ret; 677 678 ret = wl12xx_acx_mem_cfg(wl); 679 if (ret < 0) 680 return ret; 681 682 /* Configure the FW logger */ 683 ret = wl12xx_init_fwlog(wl); 684 if (ret < 0) 685 return ret; 686 687 ret = wlcore_cmd_regdomain_config_locked(wl); 688 if (ret < 0) 689 return ret; 690 691 /* Bluetooth WLAN coexistence */ 692 ret = wl1271_init_pta(wl); 693 if (ret < 0) 694 return ret; 695 696 /* Default memory configuration */ 697 ret = wl1271_acx_init_mem_config(wl); 698 if (ret < 0) 699 return ret; 700 701 /* RX config */ 702 ret = wl12xx_init_rx_config(wl); 703 if (ret < 0) 704 goto out_free_memmap; 705 706 ret = wl1271_acx_dco_itrim_params(wl); 707 if (ret < 0) 708 goto out_free_memmap; 709 710 /* Configure TX patch complete interrupt behavior */ 711 ret = wl1271_acx_tx_config_options(wl); 712 if (ret < 0) 713 goto out_free_memmap; 714 715 /* RX complete interrupt pacing */ 716 ret = wl1271_acx_init_rx_interrupt(wl); 717 if (ret < 0) 718 goto out_free_memmap; 719 720 /* Energy detection */ 721 ret = wl1271_init_energy_detection(wl); 722 if (ret < 0) 723 goto out_free_memmap; 724 725 /* Default fragmentation threshold */ 726 ret = wl1271_acx_frag_threshold(wl, wl->hw->wiphy->frag_threshold); 727 if (ret < 0) 728 goto out_free_memmap; 729 730 /* Enable data path */ 731 ret = wl1271_cmd_data_path(wl, 1); 732 if (ret < 0) 733 goto out_free_memmap; 734 735 /* configure PM */ 736 ret = wl1271_acx_pm_config(wl); 737 if (ret < 0) 738 goto out_free_memmap; 739 740 ret = wl12xx_acx_set_rate_mgmt_params(wl); 741 if (ret < 0) 742 goto out_free_memmap; 743 744 /* configure hangover */ 745 ret = wl12xx_acx_config_hangover(wl); 746 if (ret < 0) 747 goto out_free_memmap; 748 749 return 0; 750 751 out_free_memmap: 752 kfree(wl->target_mem_map); 753 wl->target_mem_map = NULL; 754 755 return ret; 756} 757