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 37 int 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 CMD_TEMPL_CFG_PROBE_REQ_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 CMD_TEMPL_CFG_PROBE_REQ_5, 52 NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, 53 WL1271_RATE_AUTOMATIC); 54 if (ret < 0) 55 return ret; 56 57 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 58 CMD_TEMPL_NULL_DATA, NULL, 59 sizeof(struct wl12xx_null_data_template), 60 0, WL1271_RATE_AUTOMATIC); 61 if (ret < 0) 62 return ret; 63 64 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 65 CMD_TEMPL_PS_POLL, NULL, 66 sizeof(struct wl12xx_ps_poll_template), 67 0, WL1271_RATE_AUTOMATIC); 68 if (ret < 0) 69 return ret; 70 71 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 72 CMD_TEMPL_QOS_NULL_DATA, NULL, 73 sizeof 74 (struct ieee80211_qos_hdr), 75 0, WL1271_RATE_AUTOMATIC); 76 if (ret < 0) 77 return ret; 78 79 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 80 CMD_TEMPL_PROBE_RESPONSE, NULL, 81 WL1271_CMD_TEMPL_DFLT_SIZE, 82 0, WL1271_RATE_AUTOMATIC); 83 if (ret < 0) 84 return ret; 85 86 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 87 CMD_TEMPL_BEACON, NULL, 88 WL1271_CMD_TEMPL_DFLT_SIZE, 89 0, WL1271_RATE_AUTOMATIC); 90 if (ret < 0) 91 return ret; 92 93 max_size = sizeof(struct wl12xx_arp_rsp_template) + 94 WL1271_EXTRA_SPACE_MAX; 95 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 96 CMD_TEMPL_ARP_RSP, NULL, 97 max_size, 98 0, WL1271_RATE_AUTOMATIC); 99 if (ret < 0) 100 return ret; 101 102 /* 103 * Put very large empty placeholders for all templates. These 104 * reserve memory for later. 105 */ 106 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 107 CMD_TEMPL_AP_PROBE_RESPONSE, NULL, 108 WL1271_CMD_TEMPL_MAX_SIZE, 109 0, WL1271_RATE_AUTOMATIC); 110 if (ret < 0) 111 return ret; 112 113 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 114 CMD_TEMPL_AP_BEACON, NULL, 115 WL1271_CMD_TEMPL_MAX_SIZE, 116 0, WL1271_RATE_AUTOMATIC); 117 if (ret < 0) 118 return ret; 119 120 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 121 CMD_TEMPL_DEAUTH_AP, NULL, 122 sizeof 123 (struct wl12xx_disconn_template), 124 0, WL1271_RATE_AUTOMATIC); 125 if (ret < 0) 126 return ret; 127 128 for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) { 129 ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, 130 CMD_TEMPL_KLV, NULL, 131 sizeof(struct ieee80211_qos_hdr), 132 i, WL1271_RATE_AUTOMATIC); 133 if (ret < 0) 134 return ret; 135 } 136 137 return 0; 138 } 139 140 static int wl1271_ap_init_deauth_template(struct wl1271 *wl, 141 struct wl12xx_vif *wlvif) 142 { 143 struct wl12xx_disconn_template *tmpl; 144 int ret; 145 u32 rate; 146 147 tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL); 148 if (!tmpl) { 149 ret = -ENOMEM; 150 goto out; 151 } 152 153 tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | 154 IEEE80211_STYPE_DEAUTH); 155 156 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); 157 ret = wl1271_cmd_template_set(wl, wlvif->role_id, 158 CMD_TEMPL_DEAUTH_AP, 159 tmpl, sizeof(*tmpl), 0, rate); 160 161 out: 162 kfree(tmpl); 163 return ret; 164 } 165 166 static int wl1271_ap_init_null_template(struct wl1271 *wl, 167 struct ieee80211_vif *vif) 168 { 169 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 170 struct ieee80211_hdr_3addr *nullfunc; 171 int ret; 172 u32 rate; 173 174 nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL); 175 if (!nullfunc) { 176 ret = -ENOMEM; 177 goto out; 178 } 179 180 nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 181 IEEE80211_STYPE_NULLFUNC | 182 IEEE80211_FCTL_FROMDS); 183 184 /* nullfunc->addr1 is filled by FW */ 185 186 memcpy(nullfunc->addr2, vif->addr, ETH_ALEN); 187 memcpy(nullfunc->addr3, vif->addr, ETH_ALEN); 188 189 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); 190 ret = wl1271_cmd_template_set(wl, wlvif->role_id, 191 CMD_TEMPL_NULL_DATA, nullfunc, 192 sizeof(*nullfunc), 0, rate); 193 194 out: 195 kfree(nullfunc); 196 return ret; 197 } 198 199 static int wl1271_ap_init_qos_null_template(struct wl1271 *wl, 200 struct ieee80211_vif *vif) 201 { 202 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 203 struct ieee80211_qos_hdr *qosnull; 204 int ret; 205 u32 rate; 206 207 qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL); 208 if (!qosnull) { 209 ret = -ENOMEM; 210 goto out; 211 } 212 213 qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 214 IEEE80211_STYPE_QOS_NULLFUNC | 215 IEEE80211_FCTL_FROMDS); 216 217 /* qosnull->addr1 is filled by FW */ 218 219 memcpy(qosnull->addr2, vif->addr, ETH_ALEN); 220 memcpy(qosnull->addr3, vif->addr, ETH_ALEN); 221 222 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); 223 ret = wl1271_cmd_template_set(wl, wlvif->role_id, 224 CMD_TEMPL_QOS_NULL_DATA, qosnull, 225 sizeof(*qosnull), 0, rate); 226 227 out: 228 kfree(qosnull); 229 return ret; 230 } 231 232 static int wl12xx_init_rx_config(struct wl1271 *wl) 233 { 234 int ret; 235 236 ret = wl1271_acx_rx_msdu_life_time(wl); 237 if (ret < 0) 238 return ret; 239 240 return 0; 241 } 242 243 static int wl12xx_init_phy_vif_config(struct wl1271 *wl, 244 struct wl12xx_vif *wlvif) 245 { 246 int ret; 247 248 ret = wl1271_acx_slot(wl, wlvif, DEFAULT_SLOT_TIME); 249 if (ret < 0) 250 return ret; 251 252 ret = wl1271_acx_service_period_timeout(wl, wlvif); 253 if (ret < 0) 254 return ret; 255 256 ret = wl1271_acx_rts_threshold(wl, wlvif, wl->hw->wiphy->rts_threshold); 257 if (ret < 0) 258 return ret; 259 260 return 0; 261 } 262 263 static int wl1271_init_sta_beacon_filter(struct wl1271 *wl, 264 struct wl12xx_vif *wlvif) 265 { 266 int ret; 267 268 ret = wl1271_acx_beacon_filter_table(wl, wlvif); 269 if (ret < 0) 270 return ret; 271 272 /* enable beacon filtering */ 273 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); 274 if (ret < 0) 275 return ret; 276 277 return 0; 278 } 279 280 int wl1271_init_pta(struct wl1271 *wl) 281 { 282 int ret; 283 284 ret = wl12xx_acx_sg_cfg(wl); 285 if (ret < 0) 286 return ret; 287 288 ret = wl1271_acx_sg_enable(wl, wl->sg_enabled); 289 if (ret < 0) 290 return ret; 291 292 return 0; 293 } 294 295 int wl1271_init_energy_detection(struct wl1271 *wl) 296 { 297 int ret; 298 299 ret = wl1271_acx_cca_threshold(wl); 300 if (ret < 0) 301 return ret; 302 303 return 0; 304 } 305 306 static int wl1271_init_beacon_broadcast(struct wl1271 *wl, 307 struct wl12xx_vif *wlvif) 308 { 309 int ret; 310 311 ret = wl1271_acx_bcn_dtim_options(wl, wlvif); 312 if (ret < 0) 313 return ret; 314 315 return 0; 316 } 317 318 static int wl12xx_init_fwlog(struct wl1271 *wl) 319 { 320 int ret; 321 322 if (wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) 323 return 0; 324 325 ret = wl12xx_cmd_config_fwlog(wl); 326 if (ret < 0) 327 return ret; 328 329 return 0; 330 } 331 332 /* generic sta initialization (non vif-specific) */ 333 static int wl1271_sta_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif) 334 { 335 int ret; 336 337 /* PS config */ 338 ret = wl12xx_acx_config_ps(wl, wlvif); 339 if (ret < 0) 340 return ret; 341 342 /* FM WLAN coexistence */ 343 ret = wl1271_acx_fm_coex(wl); 344 if (ret < 0) 345 return ret; 346 347 ret = wl1271_acx_sta_rate_policies(wl, wlvif); 348 if (ret < 0) 349 return ret; 350 351 return 0; 352 } 353 354 static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl, 355 struct ieee80211_vif *vif) 356 { 357 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 358 int ret, i; 359 360 /* disable all keep-alive templates */ 361 for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) { 362 ret = wl1271_acx_keep_alive_config(wl, wlvif, i, 363 ACX_KEEP_ALIVE_TPL_INVALID); 364 if (ret < 0) 365 return ret; 366 } 367 368 /* disable the keep-alive feature */ 369 ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); 370 if (ret < 0) 371 return ret; 372 373 return 0; 374 } 375 376 /* generic ap initialization (non vif-specific) */ 377 static int wl1271_ap_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif) 378 { 379 int ret; 380 381 ret = wl1271_init_ap_rates(wl, wlvif); 382 if (ret < 0) 383 return ret; 384 385 return 0; 386 } 387 388 int wl1271_ap_init_templates(struct wl1271 *wl, struct ieee80211_vif *vif) 389 { 390 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 391 int ret; 392 393 ret = wl1271_ap_init_deauth_template(wl, wlvif); 394 if (ret < 0) 395 return ret; 396 397 ret = wl1271_ap_init_null_template(wl, vif); 398 if (ret < 0) 399 return ret; 400 401 ret = wl1271_ap_init_qos_null_template(wl, vif); 402 if (ret < 0) 403 return ret; 404 405 /* 406 * when operating as AP we want to receive external beacons for 407 * configuring ERP protection. 408 */ 409 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); 410 if (ret < 0) 411 return ret; 412 413 return 0; 414 } 415 416 static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl, 417 struct ieee80211_vif *vif) 418 { 419 return wl1271_ap_init_templates(wl, vif); 420 } 421 422 int wl1271_init_ap_rates(struct wl1271 *wl, struct wl12xx_vif *wlvif) 423 { 424 int i, ret; 425 struct conf_tx_rate_class rc; 426 u32 supported_rates; 427 428 wl1271_debug(DEBUG_AP, "AP basic rate set: 0x%x", 429 wlvif->basic_rate_set); 430 431 if (wlvif->basic_rate_set == 0) 432 return -EINVAL; 433 434 rc.enabled_rates = wlvif->basic_rate_set; 435 rc.long_retry_limit = 10; 436 rc.short_retry_limit = 10; 437 rc.aflags = 0; 438 ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.mgmt_rate_idx); 439 if (ret < 0) 440 return ret; 441 442 /* use the min basic rate for AP broadcast/multicast */ 443 rc.enabled_rates = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); 444 rc.short_retry_limit = 10; 445 rc.long_retry_limit = 10; 446 rc.aflags = 0; 447 ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.bcast_rate_idx); 448 if (ret < 0) 449 return ret; 450 451 /* 452 * If the basic rates contain OFDM rates, use OFDM only 453 * rates for unicast TX as well. Else use all supported rates. 454 */ 455 if ((wlvif->basic_rate_set & CONF_TX_OFDM_RATES)) 456 supported_rates = CONF_TX_OFDM_RATES; 457 else 458 supported_rates = CONF_TX_AP_ENABLED_RATES; 459 460 /* unconditionally enable HT rates */ 461 supported_rates |= CONF_TX_MCS_RATES; 462 463 /* configure unicast TX rate classes */ 464 for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { 465 rc.enabled_rates = supported_rates; 466 rc.short_retry_limit = 10; 467 rc.long_retry_limit = 10; 468 rc.aflags = 0; 469 ret = wl1271_acx_ap_rate_policy(wl, &rc, 470 wlvif->ap.ucast_rate_idx[i]); 471 if (ret < 0) 472 return ret; 473 } 474 475 return 0; 476 } 477 478 static int wl1271_set_ba_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif) 479 { 480 /* Reset the BA RX indicators */ 481 wlvif->ba_allowed = true; 482 wl->ba_rx_session_count = 0; 483 484 /* BA is supported in STA/AP modes */ 485 if (wlvif->bss_type != BSS_TYPE_AP_BSS && 486 wlvif->bss_type != BSS_TYPE_STA_BSS) { 487 wlvif->ba_support = false; 488 return 0; 489 } 490 491 wlvif->ba_support = true; 492 493 /* 802.11n initiator BA session setting */ 494 return wl12xx_acx_set_ba_initiator_policy(wl, wlvif); 495 } 496 497 /* vif-specifc initialization */ 498 static int wl12xx_init_sta_role(struct wl1271 *wl, struct wl12xx_vif *wlvif) 499 { 500 int ret; 501 502 ret = wl1271_acx_group_address_tbl(wl, wlvif, true, NULL, 0); 503 if (ret < 0) 504 return ret; 505 506 /* Initialize connection monitoring thresholds */ 507 ret = wl1271_acx_conn_monit_params(wl, wlvif, false); 508 if (ret < 0) 509 return ret; 510 511 /* Beacon filtering */ 512 ret = wl1271_init_sta_beacon_filter(wl, wlvif); 513 if (ret < 0) 514 return ret; 515 516 /* Beacons and broadcast settings */ 517 ret = wl1271_init_beacon_broadcast(wl, wlvif); 518 if (ret < 0) 519 return ret; 520 521 /* Configure rssi/snr averaging weights */ 522 ret = wl1271_acx_rssi_snr_avg_weights(wl, wlvif); 523 if (ret < 0) 524 return ret; 525 526 return 0; 527 } 528 529 /* vif-specific intialization */ 530 static int wl12xx_init_ap_role(struct wl1271 *wl, struct wl12xx_vif *wlvif) 531 { 532 int ret; 533 534 ret = wl1271_acx_ap_max_tx_retry(wl, wlvif); 535 if (ret < 0) 536 return ret; 537 538 /* initialize Tx power */ 539 ret = wl1271_acx_tx_power(wl, wlvif, wlvif->power_level); 540 if (ret < 0) 541 return ret; 542 543 return 0; 544 } 545 546 int wl1271_init_vif_specific(struct wl1271 *wl, struct ieee80211_vif *vif) 547 { 548 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 549 struct conf_tx_ac_category *conf_ac; 550 struct conf_tx_tid *conf_tid; 551 bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); 552 int ret, i; 553 554 /* 555 * consider all existing roles before configuring psm. 556 * TODO: reconfigure on interface removal. 557 */ 558 if (!wl->ap_count) { 559 if (is_ap) { 560 /* Configure for power always on */ 561 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); 562 if (ret < 0) 563 return ret; 564 } else if (!wl->sta_count) { 565 if (wl->quirks & WLCORE_QUIRK_NO_ELP) { 566 /* Configure for power always on */ 567 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); 568 if (ret < 0) 569 return ret; 570 } else { 571 /* Configure for ELP power saving */ 572 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); 573 if (ret < 0) 574 return ret; 575 } 576 } 577 } 578 579 /* Mode specific init */ 580 if (is_ap) { 581 ret = wl1271_ap_hw_init(wl, wlvif); 582 if (ret < 0) 583 return ret; 584 585 ret = wl12xx_init_ap_role(wl, wlvif); 586 if (ret < 0) 587 return ret; 588 } else { 589 ret = wl1271_sta_hw_init(wl, wlvif); 590 if (ret < 0) 591 return ret; 592 593 ret = wl12xx_init_sta_role(wl, wlvif); 594 if (ret < 0) 595 return ret; 596 } 597 598 wl12xx_init_phy_vif_config(wl, wlvif); 599 600 /* Default TID/AC configuration */ 601 BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count); 602 for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { 603 conf_ac = &wl->conf.tx.ac_conf[i]; 604 ret = wl1271_acx_ac_cfg(wl, wlvif, conf_ac->ac, 605 conf_ac->cw_min, conf_ac->cw_max, 606 conf_ac->aifsn, conf_ac->tx_op_limit); 607 if (ret < 0) 608 return ret; 609 610 conf_tid = &wl->conf.tx.tid_conf[i]; 611 ret = wl1271_acx_tid_cfg(wl, wlvif, 612 conf_tid->queue_id, 613 conf_tid->channel_type, 614 conf_tid->tsid, 615 conf_tid->ps_scheme, 616 conf_tid->ack_policy, 617 conf_tid->apsd_conf[0], 618 conf_tid->apsd_conf[1]); 619 if (ret < 0) 620 return ret; 621 } 622 623 /* Configure HW encryption */ 624 ret = wl1271_acx_feature_cfg(wl, wlvif); 625 if (ret < 0) 626 return ret; 627 628 /* Mode specific init - post mem init */ 629 if (is_ap) 630 ret = wl1271_ap_hw_init_post_mem(wl, vif); 631 else 632 ret = wl1271_sta_hw_init_post_mem(wl, vif); 633 634 if (ret < 0) 635 return ret; 636 637 /* Configure initiator BA sessions policies */ 638 ret = wl1271_set_ba_policies(wl, wlvif); 639 if (ret < 0) 640 return ret; 641 642 ret = wlcore_hw_init_vif(wl, wlvif); 643 if (ret < 0) 644 return ret; 645 646 return 0; 647 } 648 649 int wl1271_hw_init(struct wl1271 *wl) 650 { 651 int ret; 652 653 /* Chip-specific hw init */ 654 ret = wl->ops->hw_init(wl); 655 if (ret < 0) 656 return ret; 657 658 /* Init templates */ 659 ret = wl1271_init_templates_config(wl); 660 if (ret < 0) 661 return ret; 662 663 ret = wl12xx_acx_mem_cfg(wl); 664 if (ret < 0) 665 return ret; 666 667 /* Configure the FW logger */ 668 ret = wl12xx_init_fwlog(wl); 669 if (ret < 0) 670 return ret; 671 672 /* Bluetooth WLAN coexistence */ 673 ret = wl1271_init_pta(wl); 674 if (ret < 0) 675 return ret; 676 677 /* Default memory configuration */ 678 ret = wl1271_acx_init_mem_config(wl); 679 if (ret < 0) 680 return ret; 681 682 /* RX config */ 683 ret = wl12xx_init_rx_config(wl); 684 if (ret < 0) 685 goto out_free_memmap; 686 687 ret = wl1271_acx_dco_itrim_params(wl); 688 if (ret < 0) 689 goto out_free_memmap; 690 691 /* Configure TX patch complete interrupt behavior */ 692 ret = wl1271_acx_tx_config_options(wl); 693 if (ret < 0) 694 goto out_free_memmap; 695 696 /* RX complete interrupt pacing */ 697 ret = wl1271_acx_init_rx_interrupt(wl); 698 if (ret < 0) 699 goto out_free_memmap; 700 701 /* Energy detection */ 702 ret = wl1271_init_energy_detection(wl); 703 if (ret < 0) 704 goto out_free_memmap; 705 706 /* Default fragmentation threshold */ 707 ret = wl1271_acx_frag_threshold(wl, wl->hw->wiphy->frag_threshold); 708 if (ret < 0) 709 goto out_free_memmap; 710 711 /* Enable data path */ 712 ret = wl1271_cmd_data_path(wl, 1); 713 if (ret < 0) 714 goto out_free_memmap; 715 716 /* configure PM */ 717 ret = wl1271_acx_pm_config(wl); 718 if (ret < 0) 719 goto out_free_memmap; 720 721 ret = wl12xx_acx_set_rate_mgmt_params(wl); 722 if (ret < 0) 723 goto out_free_memmap; 724 725 /* configure hangover */ 726 ret = wl12xx_acx_config_hangover(wl); 727 if (ret < 0) 728 goto out_free_memmap; 729 730 return 0; 731 732 out_free_memmap: 733 kfree(wl->target_mem_map); 734 wl->target_mem_map = NULL; 735 736 return ret; 737 } 738