/* * This file is part of wl1271 * * Copyright (C) 2009 Nokia Corporation * * Contact: Luciano Coelho * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ #include #include #include #include "debug.h" #include "init.h" #include "wl12xx_80211.h" #include "acx.h" #include "cmd.h" #include "tx.h" #include "io.h" #include "hw_ops.h" int wl1271_init_templates_config(struct wl1271 *wl) { int ret, i; size_t max_size; /* send empty templates for fw memory reservation */ ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, wl->scan_templ_id_2_4, NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, wl->scan_templ_id_5, NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; if (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL) { ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, wl->sched_scan_templ_id_2_4, NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, wl->sched_scan_templ_id_5, NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; } ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_NULL_DATA, NULL, sizeof(struct wl12xx_null_data_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_PS_POLL, NULL, sizeof(struct wl12xx_ps_poll_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_QOS_NULL_DATA, NULL, sizeof (struct ieee80211_qos_hdr), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_PROBE_RESPONSE, NULL, WL1271_CMD_TEMPL_DFLT_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_BEACON, NULL, WL1271_CMD_TEMPL_DFLT_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; max_size = sizeof(struct wl12xx_arp_rsp_template) + WL1271_EXTRA_SPACE_MAX; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_ARP_RSP, NULL, max_size, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; /* * Put very large empty placeholders for all templates. These * reserve memory for later. */ ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_AP_PROBE_RESPONSE, NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_AP_BEACON, NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_DEAUTH_AP, NULL, sizeof (struct wl12xx_disconn_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; for (i = 0; i < WLCORE_MAX_KLV_TEMPLATES; i++) { ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID, CMD_TEMPL_KLV, NULL, sizeof(struct ieee80211_qos_hdr), i, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; } return 0; } static int wl1271_ap_init_deauth_template(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl12xx_disconn_template *tmpl; int ret; u32 rate; tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL); if (!tmpl) { ret = -ENOMEM; goto out; } tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_DEAUTH_AP, tmpl, sizeof(*tmpl), 0, rate); out: kfree(tmpl); return ret; } static int wl1271_ap_init_null_template(struct wl1271 *wl, struct ieee80211_vif *vif) { struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); struct ieee80211_hdr_3addr *nullfunc; int ret; u32 rate; nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL); if (!nullfunc) { ret = -ENOMEM; goto out; } nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_FROMDS); /* nullfunc->addr1 is filled by FW */ memcpy(nullfunc->addr2, vif->addr, ETH_ALEN); memcpy(nullfunc->addr3, vif->addr, ETH_ALEN); rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_NULL_DATA, nullfunc, sizeof(*nullfunc), 0, rate); out: kfree(nullfunc); return ret; } static int wl1271_ap_init_qos_null_template(struct wl1271 *wl, struct ieee80211_vif *vif) { struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); struct ieee80211_qos_hdr *qosnull; int ret; u32 rate; qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL); if (!qosnull) { ret = -ENOMEM; goto out; } qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC | IEEE80211_FCTL_FROMDS); /* qosnull->addr1 is filled by FW */ memcpy(qosnull->addr2, vif->addr, ETH_ALEN); memcpy(qosnull->addr3, vif->addr, ETH_ALEN); rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_QOS_NULL_DATA, qosnull, sizeof(*qosnull), 0, rate); out: kfree(qosnull); return ret; } static int wl12xx_init_rx_config(struct wl1271 *wl) { int ret; ret = wl1271_acx_rx_msdu_life_time(wl); if (ret < 0) return ret; return 0; } static int wl12xx_init_phy_vif_config(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; ret = wl1271_acx_slot(wl, wlvif, DEFAULT_SLOT_TIME); if (ret < 0) return ret; ret = wl1271_acx_service_period_timeout(wl, wlvif); if (ret < 0) return ret; ret = wl1271_acx_rts_threshold(wl, wlvif, wl->hw->wiphy->rts_threshold); if (ret < 0) return ret; return 0; } static int wl1271_init_sta_beacon_filter(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; ret = wl1271_acx_beacon_filter_table(wl, wlvif); if (ret < 0) return ret; /* enable beacon filtering */ ret = wl1271_acx_beacon_filter_opt(wl, wlvif, true); if (ret < 0) return ret; return 0; } int wl1271_init_pta(struct wl1271 *wl) { int ret; ret = wl12xx_acx_sg_cfg(wl); if (ret < 0) return ret; ret = wl1271_acx_sg_enable(wl, wl->sg_enabled); if (ret < 0) return ret; return 0; } int wl1271_init_energy_detection(struct wl1271 *wl) { int ret; ret = wl1271_acx_cca_threshold(wl); if (ret < 0) return ret; return 0; } static int wl1271_init_beacon_broadcast(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; ret = wl1271_acx_bcn_dtim_options(wl, wlvif); if (ret < 0) return ret; return 0; } static int wl12xx_init_fwlog(struct wl1271 *wl) { int ret; if (wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) return 0; ret = wl12xx_cmd_config_fwlog(wl); if (ret < 0) return ret; return 0; } /* generic sta initialization (non vif-specific) */ static int wl1271_sta_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; /* PS config */ ret = wl12xx_acx_config_ps(wl, wlvif); if (ret < 0) return ret; /* FM WLAN coexistence */ ret = wl1271_acx_fm_coex(wl); if (ret < 0) return ret; ret = wl1271_acx_sta_rate_policies(wl, wlvif); if (ret < 0) return ret; return 0; } static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl, struct ieee80211_vif *vif) { struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); int ret; /* disable the keep-alive feature */ ret = wl1271_acx_keep_alive_mode(wl, wlvif, false); if (ret < 0) return ret; return 0; } /* generic ap initialization (non vif-specific) */ static int wl1271_ap_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; ret = wl1271_init_ap_rates(wl, wlvif); if (ret < 0) return ret; return 0; } int wl1271_ap_init_templates(struct wl1271 *wl, struct ieee80211_vif *vif) { struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); int ret; ret = wl1271_ap_init_deauth_template(wl, wlvif); if (ret < 0) return ret; ret = wl1271_ap_init_null_template(wl, vif); if (ret < 0) return ret; ret = wl1271_ap_init_qos_null_template(wl, vif); if (ret < 0) return ret; /* * when operating as AP we want to receive external beacons for * configuring ERP protection. */ ret = wl1271_acx_beacon_filter_opt(wl, wlvif, false); if (ret < 0) return ret; return 0; } static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl, struct ieee80211_vif *vif) { return wl1271_ap_init_templates(wl, vif); } int wl1271_init_ap_rates(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int i, ret; struct conf_tx_rate_class rc; u32 supported_rates; wl1271_debug(DEBUG_AP, "AP basic rate set: 0x%x", wlvif->basic_rate_set); if (wlvif->basic_rate_set == 0) return -EINVAL; rc.enabled_rates = wlvif->basic_rate_set; rc.long_retry_limit = 10; rc.short_retry_limit = 10; rc.aflags = 0; ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.mgmt_rate_idx); if (ret < 0) return ret; /* use the min basic rate for AP broadcast/multicast */ rc.enabled_rates = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); rc.short_retry_limit = 10; rc.long_retry_limit = 10; rc.aflags = 0; ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.bcast_rate_idx); if (ret < 0) return ret; /* * If the basic rates contain OFDM rates, use OFDM only * rates for unicast TX as well. Else use all supported rates. */ if ((wlvif->basic_rate_set & CONF_TX_OFDM_RATES)) supported_rates = CONF_TX_OFDM_RATES; else supported_rates = CONF_TX_ENABLED_RATES; /* unconditionally enable HT rates */ supported_rates |= CONF_TX_MCS_RATES; /* get extra MIMO or wide-chan rates where the HW supports it */ supported_rates |= wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); /* configure unicast TX rate classes */ for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { rc.enabled_rates = supported_rates; rc.short_retry_limit = 10; rc.long_retry_limit = 10; rc.aflags = 0; ret = wl1271_acx_ap_rate_policy(wl, &rc, wlvif->ap.ucast_rate_idx[i]); if (ret < 0) return ret; } return 0; } static int wl1271_set_ba_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif) { /* Reset the BA RX indicators */ wlvif->ba_allowed = true; wl->ba_rx_session_count = 0; /* BA is supported in STA/AP modes */ if (wlvif->bss_type != BSS_TYPE_AP_BSS && wlvif->bss_type != BSS_TYPE_STA_BSS) { wlvif->ba_support = false; return 0; } wlvif->ba_support = true; /* 802.11n initiator BA session setting */ return wl12xx_acx_set_ba_initiator_policy(wl, wlvif); } /* vif-specifc initialization */ static int wl12xx_init_sta_role(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; ret = wl1271_acx_group_address_tbl(wl, wlvif, true, NULL, 0); if (ret < 0) return ret; /* Initialize connection monitoring thresholds */ ret = wl1271_acx_conn_monit_params(wl, wlvif, false); if (ret < 0) return ret; /* Beacon filtering */ ret = wl1271_init_sta_beacon_filter(wl, wlvif); if (ret < 0) return ret; /* Beacons and broadcast settings */ ret = wl1271_init_beacon_broadcast(wl, wlvif); if (ret < 0) return ret; /* Configure rssi/snr averaging weights */ ret = wl1271_acx_rssi_snr_avg_weights(wl, wlvif); if (ret < 0) return ret; return 0; } /* vif-specific intialization */ static int wl12xx_init_ap_role(struct wl1271 *wl, struct wl12xx_vif *wlvif) { int ret; ret = wl1271_acx_ap_max_tx_retry(wl, wlvif); if (ret < 0) return ret; /* initialize Tx power */ ret = wl1271_acx_tx_power(wl, wlvif, wlvif->power_level); if (ret < 0) return ret; return 0; } int wl1271_init_vif_specific(struct wl1271 *wl, struct ieee80211_vif *vif) { struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); struct conf_tx_ac_category *conf_ac; struct conf_tx_tid *conf_tid; bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); int ret, i; /* consider all existing roles before configuring psm. */ if (wl->ap_count == 0 && is_ap) { /* first AP */ /* Configure for power always on */ ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); if (ret < 0) return ret; /* unmask ap events */ wl->event_mask |= wl->ap_event_mask; ret = wl1271_event_unmask(wl); if (ret < 0) return ret; /* first STA, no APs */ } else if (wl->sta_count == 0 && wl->ap_count == 0 && !is_ap) { u8 sta_auth = wl->conf.conn.sta_sleep_auth; /* Configure for power according to debugfs */ if (sta_auth != WL1271_PSM_ILLEGAL) ret = wl1271_acx_sleep_auth(wl, sta_auth); /* Configure for ELP power saving */ else ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); if (ret < 0) return ret; } /* Mode specific init */ if (is_ap) { ret = wl1271_ap_hw_init(wl, wlvif); if (ret < 0) return ret; ret = wl12xx_init_ap_role(wl, wlvif); if (ret < 0) return ret; } else { ret = wl1271_sta_hw_init(wl, wlvif); if (ret < 0) return ret; ret = wl12xx_init_sta_role(wl, wlvif); if (ret < 0) return ret; } wl12xx_init_phy_vif_config(wl, wlvif); /* Default TID/AC configuration */ BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count); for (i = 0; i < wl->conf.tx.tid_conf_count; i++) { conf_ac = &wl->conf.tx.ac_conf[i]; ret = wl1271_acx_ac_cfg(wl, wlvif, conf_ac->ac, conf_ac->cw_min, conf_ac->cw_max, conf_ac->aifsn, conf_ac->tx_op_limit); if (ret < 0) return ret; conf_tid = &wl->conf.tx.tid_conf[i]; ret = wl1271_acx_tid_cfg(wl, wlvif, conf_tid->queue_id, conf_tid->channel_type, conf_tid->tsid, conf_tid->ps_scheme, conf_tid->ack_policy, conf_tid->apsd_conf[0], conf_tid->apsd_conf[1]); if (ret < 0) return ret; } /* Configure HW encryption */ ret = wl1271_acx_feature_cfg(wl, wlvif); if (ret < 0) return ret; /* Mode specific init - post mem init */ if (is_ap) ret = wl1271_ap_hw_init_post_mem(wl, vif); else ret = wl1271_sta_hw_init_post_mem(wl, vif); if (ret < 0) return ret; /* Configure initiator BA sessions policies */ ret = wl1271_set_ba_policies(wl, wlvif); if (ret < 0) return ret; ret = wlcore_hw_init_vif(wl, wlvif); if (ret < 0) return ret; return 0; } int wl1271_hw_init(struct wl1271 *wl) { int ret; /* Chip-specific hw init */ ret = wl->ops->hw_init(wl); if (ret < 0) return ret; /* Init templates */ ret = wl1271_init_templates_config(wl); if (ret < 0) return ret; ret = wl12xx_acx_mem_cfg(wl); if (ret < 0) return ret; /* Configure the FW logger */ ret = wl12xx_init_fwlog(wl); if (ret < 0) return ret; ret = wlcore_cmd_regdomain_config_locked(wl); if (ret < 0) return ret; /* Bluetooth WLAN coexistence */ ret = wl1271_init_pta(wl); if (ret < 0) return ret; /* Default memory configuration */ ret = wl1271_acx_init_mem_config(wl); if (ret < 0) return ret; /* RX config */ ret = wl12xx_init_rx_config(wl); if (ret < 0) goto out_free_memmap; ret = wl1271_acx_dco_itrim_params(wl); if (ret < 0) goto out_free_memmap; /* Configure TX patch complete interrupt behavior */ ret = wl1271_acx_tx_config_options(wl); if (ret < 0) goto out_free_memmap; /* RX complete interrupt pacing */ ret = wl1271_acx_init_rx_interrupt(wl); if (ret < 0) goto out_free_memmap; /* Energy detection */ ret = wl1271_init_energy_detection(wl); if (ret < 0) goto out_free_memmap; /* Default fragmentation threshold */ ret = wl1271_acx_frag_threshold(wl, wl->hw->wiphy->frag_threshold); if (ret < 0) goto out_free_memmap; /* Enable data path */ ret = wl1271_cmd_data_path(wl, 1); if (ret < 0) goto out_free_memmap; /* configure PM */ ret = wl1271_acx_pm_config(wl); if (ret < 0) goto out_free_memmap; ret = wl12xx_acx_set_rate_mgmt_params(wl); if (ret < 0) goto out_free_memmap; /* configure hangover */ ret = wl12xx_acx_config_hangover(wl); if (ret < 0) goto out_free_memmap; return 0; out_free_memmap: kfree(wl->target_mem_map); wl->target_mem_map = NULL; return ret; }