/* * 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 "init.h" #include "wl12xx_80211.h" #include "acx.h" #include "cmd.h" #include "reg.h" #include "tx.h" #include "io.h" int wl1271_sta_init_templates_config(struct wl1271 *wl) { int ret, i; /* send empty templates for fw memory reservation */ ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5, NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, 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, 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, CMD_TEMPL_QOS_NULL_DATA, NULL, sizeof (struct wl12xx_qos_null_data_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL, sizeof (struct wl12xx_probe_resp_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL, sizeof (struct wl12xx_beacon_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, NULL, sizeof (struct wl12xx_arp_rsp_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) { ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL, WL1271_CMD_TEMPL_MAX_SIZE, i, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; } return 0; } static int wl1271_ap_init_deauth_template(struct wl1271 *wl) { struct wl12xx_disconn_template *tmpl; int ret; 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); ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP, tmpl, sizeof(*tmpl), 0, wl1271_tx_min_rate_get(wl)); out: kfree(tmpl); return ret; } static int wl1271_ap_init_null_template(struct wl1271 *wl) { struct ieee80211_hdr_3addr *nullfunc; int ret; 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, wl->mac_addr, ETH_ALEN); memcpy(nullfunc->addr3, wl->mac_addr, ETH_ALEN); ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, nullfunc, sizeof(*nullfunc), 0, wl1271_tx_min_rate_get(wl)); out: kfree(nullfunc); return ret; } static int wl1271_ap_init_qos_null_template(struct wl1271 *wl) { struct ieee80211_qos_hdr *qosnull; int ret; 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, wl->mac_addr, ETH_ALEN); memcpy(qosnull->addr3, wl->mac_addr, ETH_ALEN); ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, qosnull, sizeof(*qosnull), 0, wl1271_tx_min_rate_get(wl)); out: kfree(qosnull); return ret; } static int wl1271_ap_init_templates_config(struct wl1271 *wl) { int ret; /* * Put very large empty placeholders for all templates. These * reserve memory for later. */ ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_PROBE_RESPONSE, NULL, sizeof (struct wl12xx_probe_resp_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_BEACON, NULL, sizeof (struct wl12xx_beacon_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP, NULL, sizeof (struct wl12xx_disconn_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; ret = wl1271_cmd_template_set(wl, 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, CMD_TEMPL_QOS_NULL_DATA, NULL, sizeof (struct wl12xx_qos_null_data_template), 0, WL1271_RATE_AUTOMATIC); if (ret < 0) return ret; return 0; } static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter) { int ret; ret = wl1271_acx_rx_msdu_life_time(wl); if (ret < 0) return ret; ret = wl1271_acx_rx_config(wl, config, filter); if (ret < 0) return ret; return 0; } int wl1271_init_phy_config(struct wl1271 *wl) { int ret; ret = wl1271_acx_pd_threshold(wl); if (ret < 0) return ret; ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME); if (ret < 0) return ret; ret = wl1271_acx_service_period_timeout(wl); if (ret < 0) return ret; ret = wl1271_acx_rts_threshold(wl, wl->hw->wiphy->rts_threshold); if (ret < 0) return ret; return 0; } static int wl1271_init_beacon_filter(struct wl1271 *wl) { int ret; /* disable beacon filtering at this stage */ ret = wl1271_acx_beacon_filter_opt(wl, false); if (ret < 0) return ret; ret = wl1271_acx_beacon_filter_table(wl); if (ret < 0) return ret; return 0; } int wl1271_init_pta(struct wl1271 *wl) { int ret; if (wl->bss_type == BSS_TYPE_AP_BSS) ret = wl1271_acx_ap_sg_cfg(wl); else ret = wl1271_acx_sta_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) { int ret; ret = wl1271_acx_bcn_dtim_options(wl); if (ret < 0) return ret; return 0; } static int wl1271_sta_hw_init(struct wl1271 *wl) { int ret; if (wl->chip.id != CHIP_ID_1283_PG20) { ret = wl1271_cmd_ext_radio_parms(wl); if (ret < 0) return ret; } /* PS config */ ret = wl1271_acx_config_ps(wl); if (ret < 0) return ret; ret = wl1271_sta_init_templates_config(wl); if (ret < 0) return ret; ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0); if (ret < 0) return ret; /* Initialize connection monitoring thresholds */ ret = wl1271_acx_conn_monit_params(wl, false); if (ret < 0) return ret; /* Beacon filtering */ ret = wl1271_init_beacon_filter(wl); if (ret < 0) return ret; /* FM WLAN coexistence */ ret = wl1271_acx_fm_coex(wl); if (ret < 0) return ret; /* Beacons and broadcast settings */ ret = wl1271_init_beacon_broadcast(wl); if (ret < 0) return ret; /* Configure for ELP power saving */ ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP); if (ret < 0) return ret; /* Configure rssi/snr averaging weights */ ret = wl1271_acx_rssi_snr_avg_weights(wl); if (ret < 0) return ret; ret = wl1271_acx_sta_rate_policies(wl); if (ret < 0) return ret; ret = wl1271_acx_sta_mem_cfg(wl); if (ret < 0) return ret; return 0; } static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl) { int ret, i; ret = wl1271_cmd_set_sta_default_wep_key(wl, wl->default_key); if (ret < 0) { wl1271_warning("couldn't set default key"); return ret; } /* disable all keep-alive templates */ for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) { ret = wl1271_acx_keep_alive_config(wl, i, ACX_KEEP_ALIVE_TPL_INVALID); if (ret < 0) return ret; } /* disable the keep-alive feature */ ret = wl1271_acx_keep_alive_mode(wl, false); if (ret < 0) return ret; return 0; } static int wl1271_ap_hw_init(struct wl1271 *wl) { int ret; ret = wl1271_ap_init_templates_config(wl); if (ret < 0) return ret; /* Configure for power always on */ ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); if (ret < 0) return ret; ret = wl1271_init_ap_rates(wl); if (ret < 0) return ret; ret = wl1271_acx_max_tx_retry(wl); if (ret < 0) return ret; ret = wl1271_acx_ap_mem_cfg(wl); if (ret < 0) return ret; return 0; } int wl1271_ap_init_templates(struct wl1271 *wl) { int ret; ret = wl1271_ap_init_deauth_template(wl); if (ret < 0) return ret; ret = wl1271_ap_init_null_template(wl); if (ret < 0) return ret; ret = wl1271_ap_init_qos_null_template(wl); if (ret < 0) return ret; /* * when operating as AP we want to receive external beacons for * configuring ERP protection. */ ret = wl1271_acx_set_ap_beacon_filter(wl, false); if (ret < 0) return ret; return 0; } static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl) { return wl1271_ap_init_templates(wl); } int wl1271_init_ap_rates(struct wl1271 *wl) { int i, ret; struct conf_tx_rate_class rc; u32 supported_rates; wl1271_debug(DEBUG_AP, "AP basic rate set: 0x%x", wl->basic_rate_set); if (wl->basic_rate_set == 0) return -EINVAL; rc.enabled_rates = wl->basic_rate_set; rc.long_retry_limit = 10; rc.short_retry_limit = 10; rc.aflags = 0; ret = wl1271_acx_ap_rate_policy(wl, &rc, ACX_TX_AP_MODE_MGMT_RATE); if (ret < 0) return ret; /* use the min basic rate for AP broadcast/multicast */ rc.enabled_rates = wl1271_tx_min_rate_get(wl); rc.short_retry_limit = 10; rc.long_retry_limit = 10; rc.aflags = 0; ret = wl1271_acx_ap_rate_policy(wl, &rc, ACX_TX_AP_MODE_BCST_RATE); 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 ((wl->basic_rate_set & CONF_TX_OFDM_RATES)) supported_rates = CONF_TX_OFDM_RATES; else supported_rates = CONF_TX_AP_ENABLED_RATES; /* 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, i); if (ret < 0) return ret; } return 0; } static void wl1271_check_ba_support(struct wl1271 *wl) { /* validate FW cose ver x.x.x.50-60.x */ if ((wl->chip.fw_ver[3] >= WL12XX_BA_SUPPORT_FW_COST_VER2_START) && (wl->chip.fw_ver[3] < WL12XX_BA_SUPPORT_FW_COST_VER2_END)) { wl->ba_support = true; return; } wl->ba_support = false; } static int wl1271_set_ba_policies(struct wl1271 *wl) { u8 tid_index; int ret = 0; /* Reset the BA RX indicators */ wl->ba_rx_bitmap = 0; /* validate that FW support BA */ wl1271_check_ba_support(wl); if (wl->ba_support) /* 802.11n initiator BA session setting */ for (tid_index = 0; tid_index < CONF_TX_MAX_TID_COUNT; ++tid_index) { ret = wl1271_acx_set_ba_session(wl, WLAN_BACK_INITIATOR, tid_index, true); if (ret < 0) break; } return ret; } int wl1271_chip_specific_init(struct wl1271 *wl) { int ret = 0; if (wl->chip.id == CHIP_ID_1283_PG20) { u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE; if (wl->quirks & WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT) /* Enable SDIO padding */ host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK; /* Must be before wl1271_acx_init_mem_config() */ ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap); if (ret < 0) goto out; } out: return ret; } int wl1271_hw_init(struct wl1271 *wl) { struct conf_tx_ac_category *conf_ac; struct conf_tx_tid *conf_tid; int ret, i; bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); if (wl->chip.id == CHIP_ID_1283_PG20) ret = wl128x_cmd_general_parms(wl); else ret = wl1271_cmd_general_parms(wl); if (ret < 0) return ret; if (wl->chip.id == CHIP_ID_1283_PG20) ret = wl128x_cmd_radio_parms(wl); else ret = wl1271_cmd_radio_parms(wl); if (ret < 0) return ret; /* Chip-specific init */ ret = wl1271_chip_specific_init(wl); if (ret < 0) return ret; /* Mode specific init */ if (is_ap) ret = wl1271_ap_hw_init(wl); else ret = wl1271_sta_hw_init(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 = wl1271_init_rx_config(wl, RX_CFG_PROMISCUOUS | RX_CFG_TSF, RX_FILTER_OPTION_DEF); /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS, RX_FILTER_OPTION_FILTER_ALL); */ if (ret < 0) goto out_free_memmap; /* PHY layer config */ ret = wl1271_init_phy_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; /* 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, conf_ac->ac, conf_ac->cw_min, conf_ac->cw_max, conf_ac->aifsn, conf_ac->tx_op_limit); if (ret < 0) goto out_free_memmap; conf_tid = &wl->conf.tx.tid_conf[i]; ret = wl1271_acx_tid_cfg(wl, 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) goto out_free_memmap; } /* Enable data path */ ret = wl1271_cmd_data_path(wl, 1); if (ret < 0) goto out_free_memmap; /* Configure HW encryption */ ret = wl1271_acx_feature_cfg(wl); if (ret < 0) goto out_free_memmap; /* configure PM */ ret = wl1271_acx_pm_config(wl); if (ret < 0) goto out_free_memmap; /* Mode specific init - post mem init */ if (is_ap) ret = wl1271_ap_hw_init_post_mem(wl); else ret = wl1271_sta_hw_init_post_mem(wl); if (ret < 0) goto out_free_memmap; /* Configure initiator BA sessions policies */ ret = wl1271_set_ba_policies(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; }