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OpenCloudOS-Kernel/drivers/net/wireless/wl12xx/init.c

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/*
* 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 "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;
}
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