init.c revision 66340e5b259bd7ca67cf0ca079dd3997fa198d4b
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 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 140static 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 161out: 162 kfree(tmpl); 163 return ret; 164} 165 166static 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 194out: 195 kfree(nullfunc); 196 return ret; 197} 198 199static 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 227out: 228 kfree(qosnull); 229 return ret; 230} 231 232static 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 243static 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 263static 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 280int 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 295int 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 306static 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 318static 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) */ 333static 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 354static 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) */ 377static 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 388int 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 416static 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 422int 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 /* get extra MIMO or wide-chan rates where the HW supports it */ 464 supported_rates |= wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); 465 466 /* configure unicast TX rate classes */ 467 for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { 468 rc.enabled_rates = supported_rates; 469 rc.short_retry_limit = 10; 470 rc.long_retry_limit = 10; 471 rc.aflags = 0; 472 ret = wl1271_acx_ap_rate_policy(wl, &rc, 473 wlvif->ap.ucast_rate_idx[i]); 474 if (ret < 0) 475 return ret; 476 } 477 478 return 0; 479} 480 481static int wl1271_set_ba_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif) 482{ 483 /* Reset the BA RX indicators */ 484 wlvif->ba_allowed = true; 485 wl->ba_rx_session_count = 0; 486 487 /* BA is supported in STA/AP modes */ 488 if (wlvif->bss_type != BSS_TYPE_AP_BSS && 489 wlvif->bss_type != BSS_TYPE_STA_BSS) { 490 wlvif->ba_support = false; 491 return 0; 492 } 493 494 wlvif->ba_support = true; 495 496 /* 802.11n initiator BA session setting */ 497 return wl12xx_acx_set_ba_initiator_policy(wl, wlvif); 498} 499 500/* vif-specifc initialization */ 501static int wl12xx_init_sta_role(struct wl1271 *wl, struct wl12xx_vif *wlvif) 502{ 503 int ret; 504 505 ret = wl1271_acx_group_address_tbl(wl, wlvif, true, NULL, 0); 506 if (ret < 0) 507 return ret; 508 509 /* Initialize connection monitoring thresholds */ 510 ret = wl1271_acx_conn_monit_params(wl, wlvif, false); 511 if (ret < 0) 512 return ret; 513 514 /* Beacon filtering */ 515 ret = wl1271_init_sta_beacon_filter(wl, wlvif); 516 if (ret < 0) 517 return ret; 518 519 /* Beacons and broadcast settings */ 520 ret = wl1271_init_beacon_broadcast(wl, wlvif); 521 if (ret < 0) 522 return ret; 523 524 /* Configure rssi/snr averaging weights */ 525 ret = wl1271_acx_rssi_snr_avg_weights(wl, wlvif); 526 if (ret < 0) 527 return ret; 528 529 return 0; 530} 531 532/* vif-specific intialization */ 533static int wl12xx_init_ap_role(struct wl1271 *wl, struct wl12xx_vif *wlvif) 534{ 535 int ret; 536 537 ret = wl1271_acx_ap_max_tx_retry(wl, wlvif); 538 if (ret < 0) 539 return ret; 540 541 /* initialize Tx power */ 542 ret = wl1271_acx_tx_power(wl, wlvif, wlvif->power_level); 543 if (ret < 0) 544 return ret; 545 546 return 0; 547} 548 549int wl1271_init_vif_specific(struct wl1271 *wl, struct ieee80211_vif *vif) 550{ 551 struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); 552 struct conf_tx_ac_category *conf_ac; 553 struct conf_tx_tid *conf_tid; 554 bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); 555 int ret, i; 556 557 /* 558 * consider all existing roles before configuring psm. 559 * TODO: reconfigure on interface removal. 560 */ 561 if (!wl->ap_count) { 562 if (is_ap) { 563 /* Configure for power always on */ 564 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); 565 if (ret < 0) 566 return ret; 567 } else if (!wl->sta_count) { 568 u8 sta_auth = wl->conf.conn.sta_sleep_auth; 569 if (sta_auth != WL1271_PSM_ILLEGAL) { 570 /* Configure for power according to debugfs */ 571 ret = wl1271_acx_sleep_auth(wl, sta_auth); 572 if (ret < 0) 573 return ret; 574 } else if (wl->quirks & WLCORE_QUIRK_NO_ELP) { 575 /* Configure for power always on */ 576 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); 577 if (ret < 0) 578 return ret; 579 } else { 580 /* Configure for ELP power saving */ 581 ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); 582 if (ret < 0) 583 return ret; 584 } 585 } 586 } 587 588 /* Mode specific init */ 589 if (is_ap) { 590 ret = wl1271_ap_hw_init(wl, wlvif); 591 if (ret < 0) 592 return ret; 593 594 ret = wl12xx_init_ap_role(wl, wlvif); 595 if (ret < 0) 596 return ret; 597 } else { 598 ret = wl1271_sta_hw_init(wl, wlvif); 599 if (ret < 0) 600 return ret; 601 602 ret = wl12xx_init_sta_role(wl, wlvif); 603 if (ret < 0) 604 return ret; 605 } 606 607 wl12xx_init_phy_vif_config(wl, wlvif); 608 609 /* Default TID/AC configuration */ 610 BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count); 611 for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { 612 conf_ac = &wl->conf.tx.ac_conf[i]; 613 ret = wl1271_acx_ac_cfg(wl, wlvif, conf_ac->ac, 614 conf_ac->cw_min, conf_ac->cw_max, 615 conf_ac->aifsn, conf_ac->tx_op_limit); 616 if (ret < 0) 617 return ret; 618 619 conf_tid = &wl->conf.tx.tid_conf[i]; 620 ret = wl1271_acx_tid_cfg(wl, wlvif, 621 conf_tid->queue_id, 622 conf_tid->channel_type, 623 conf_tid->tsid, 624 conf_tid->ps_scheme, 625 conf_tid->ack_policy, 626 conf_tid->apsd_conf[0], 627 conf_tid->apsd_conf[1]); 628 if (ret < 0) 629 return ret; 630 } 631 632 /* Configure HW encryption */ 633 ret = wl1271_acx_feature_cfg(wl, wlvif); 634 if (ret < 0) 635 return ret; 636 637 /* Mode specific init - post mem init */ 638 if (is_ap) 639 ret = wl1271_ap_hw_init_post_mem(wl, vif); 640 else 641 ret = wl1271_sta_hw_init_post_mem(wl, vif); 642 643 if (ret < 0) 644 return ret; 645 646 /* Configure initiator BA sessions policies */ 647 ret = wl1271_set_ba_policies(wl, wlvif); 648 if (ret < 0) 649 return ret; 650 651 ret = wlcore_hw_init_vif(wl, wlvif); 652 if (ret < 0) 653 return ret; 654 655 return 0; 656} 657 658int wl1271_hw_init(struct wl1271 *wl) 659{ 660 int ret; 661 662 /* Chip-specific hw init */ 663 ret = wl->ops->hw_init(wl); 664 if (ret < 0) 665 return ret; 666 667 /* Init templates */ 668 ret = wl1271_init_templates_config(wl); 669 if (ret < 0) 670 return ret; 671 672 ret = wl12xx_acx_mem_cfg(wl); 673 if (ret < 0) 674 return ret; 675 676 /* Configure the FW logger */ 677 ret = wl12xx_init_fwlog(wl); 678 if (ret < 0) 679 return ret; 680 681 /* Bluetooth WLAN coexistence */ 682 ret = wl1271_init_pta(wl); 683 if (ret < 0) 684 return ret; 685 686 /* Default memory configuration */ 687 ret = wl1271_acx_init_mem_config(wl); 688 if (ret < 0) 689 return ret; 690 691 /* RX config */ 692 ret = wl12xx_init_rx_config(wl); 693 if (ret < 0) 694 goto out_free_memmap; 695 696 ret = wl1271_acx_dco_itrim_params(wl); 697 if (ret < 0) 698 goto out_free_memmap; 699 700 /* Configure TX patch complete interrupt behavior */ 701 ret = wl1271_acx_tx_config_options(wl); 702 if (ret < 0) 703 goto out_free_memmap; 704 705 /* RX complete interrupt pacing */ 706 ret = wl1271_acx_init_rx_interrupt(wl); 707 if (ret < 0) 708 goto out_free_memmap; 709 710 /* Energy detection */ 711 ret = wl1271_init_energy_detection(wl); 712 if (ret < 0) 713 goto out_free_memmap; 714 715 /* Default fragmentation threshold */ 716 ret = wl1271_acx_frag_threshold(wl, wl->hw->wiphy->frag_threshold); 717 if (ret < 0) 718 goto out_free_memmap; 719 720 /* Enable data path */ 721 ret = wl1271_cmd_data_path(wl, 1); 722 if (ret < 0) 723 goto out_free_memmap; 724 725 /* configure PM */ 726 ret = wl1271_acx_pm_config(wl); 727 if (ret < 0) 728 goto out_free_memmap; 729 730 ret = wl12xx_acx_set_rate_mgmt_params(wl); 731 if (ret < 0) 732 goto out_free_memmap; 733 734 /* configure hangover */ 735 ret = wl12xx_acx_config_hangover(wl); 736 if (ret < 0) 737 goto out_free_memmap; 738 739 return 0; 740 741 out_free_memmap: 742 kfree(wl->target_mem_map); 743 wl->target_mem_map = NULL; 744 745 return ret; 746} 747