- 根目录:
- drivers
- net
- wireless
- ti
- wlcore
- init.c
/*
* This file is part of wl1271
*
* Copyright (C) 2009 Nokia Corporation
*
* Contact: Luciano Coelho <luciano.coelho@nokia.com>
*
* 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 <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#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;
}