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bes2600-dkms/bes2600/ap.c
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/*
* mac80211 STA and AP API for mac80211 BES2600 drivers
*
* Copyright (c) 2022, Bestechnic
* Author:
*
* 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.
*/
#include "bes2600.h"
#include "sta.h"
#include "ap.h"
#include "bh.h"
#include "net/mac80211.h"
#include <linux/umh.h>
#include "epta_request.h"
#include "epta_coex.h"
#ifdef AP_HT_CAP_UPDATE
#define HT_INFO_OFFSET 4
#define HT_INFO_MASK 0x0011
#define HT_INFO_IE_LEN 22
#endif
#define BES2600_LINK_ID_GC_TIMEOUT ((unsigned long)(10 * HZ))
#define BES2600_ENABLE_ARP_FILTER_OFFLOAD 3
#define BES2600_KEEP_ALIVE_PERIOD (15)
#ifndef ERP_INFO_BYTE_OFFSET
#define ERP_INFO_BYTE_OFFSET 2
#endif
#ifdef IPV6_FILTERING
#define BES2600_ENABLE_NDP_FILTER_OFFLOAD 3
#endif /*IPV6_FILTERING*/
static int bes2600_upload_beacon(struct bes2600_vif *priv);
#ifdef PROBE_RESP_EXTRA_IE
static int bes2600_upload_proberesp(struct bes2600_vif *priv);
#endif
static int bes2600_upload_pspoll(struct bes2600_vif *priv);
static int bes2600_upload_null(struct bes2600_vif *priv);
static int bes2600_upload_qosnull(struct bes2600_vif *priv);
static int bes2600_start_ap(struct bes2600_vif *priv);
static int bes2600_update_beaconing(struct bes2600_vif *priv);
/*
static int bes2600_enable_beaconing(struct bes2600_vif *priv,
bool enable);
*/
static void __bes2600_sta_notify(struct bes2600_vif *priv,
enum sta_notify_cmd notify_cmd,
int link_id);
/* ******************************************************************** */
/* AP API */
int bes2600_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct bes2600_sta_priv *sta_priv =
(struct bes2600_sta_priv *)&sta->drv_priv;
struct bes2600_vif *priv = cw12xx_get_vif_from_ieee80211(vif);
struct bes2600_link_entry *entry;
struct sk_buff *skb;
struct bes2600_common *hw_priv = hw->priv;
#ifdef P2P_MULTIVIF
WARN_ON(priv->if_id == CW12XX_GENERIC_IF_ID);
#endif
bes_devel( "%s mode:%u, MFP:%u\n",
__FUNCTION__, priv->mode, sta->mfp);
if (priv->mode == NL80211_IFTYPE_STATION)
priv->pmf = sta->mfp;
if (priv->mode != NL80211_IFTYPE_AP)
return 0;
sta_priv->priv = priv;
sta_priv->link_id = bes2600_find_link_id(priv, sta->addr);
if (WARN_ON(!sta_priv->link_id)) {
/* Impossible error */
wiphy_info(priv->hw->wiphy,
"[AP] No more link IDs available.\n");
return -ENOENT;
}
entry = &priv->link_id_db[sta_priv->link_id - 1];
spin_lock_bh(&priv->ps_state_lock);
if ((sta->uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) ==
IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)
priv->sta_asleep_mask |= BIT(sta_priv->link_id);
entry->status = BES2600_LINK_HARD;
while ((skb = skb_dequeue(&entry->rx_queue)))
ieee80211_rx_irqsafe(priv->hw, skb);
spin_unlock_bh(&priv->ps_state_lock);
#ifdef AP_AGGREGATE_FW_FIX
hw_priv->connected_sta_cnt++;
if(hw_priv->connected_sta_cnt>1) {
wsm_lock_tx(hw_priv);
WARN_ON(wsm_set_block_ack_policy(hw_priv,
BES2600_TX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
BES2600_RX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
priv->if_id));
wsm_unlock_tx(hw_priv);
}
#endif
return 0;
}
int bes2600_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct bes2600_common *hw_priv = hw->priv;
struct bes2600_sta_priv *sta_priv =
(struct bes2600_sta_priv *)&sta->drv_priv;
struct bes2600_vif *priv = cw12xx_get_vif_from_ieee80211(vif);
struct bes2600_link_entry *entry;
#ifdef P2P_MULTIVIF
WARN_ON(priv->if_id == CW12XX_GENERIC_IF_ID);
#endif
bes_devel( "%s mode:%u\n", __FUNCTION__, priv->mode);
if (priv->mode == NL80211_IFTYPE_STATION)
priv->pmf = false;
if (priv->mode != NL80211_IFTYPE_AP || !sta_priv->link_id)
return 0;
entry = &priv->link_id_db[sta_priv->link_id - 1];
spin_lock_bh(&priv->ps_state_lock);
entry->status = BES2600_LINK_RESERVE;
entry->timestamp = jiffies;
wsm_lock_tx_async(hw_priv);
if (queue_work(hw_priv->workqueue, &priv->link_id_work) <= 0)
wsm_unlock_tx(hw_priv);
spin_unlock_bh(&priv->ps_state_lock);
flush_workqueue(hw_priv->workqueue);
#ifdef AP_AGGREGATE_FW_FIX
hw_priv->connected_sta_cnt--;
if(hw_priv->connected_sta_cnt <= 1) {
if ((priv->if_id != 1) ||
((priv->if_id == 1) && hw_priv->is_go_thru_go_neg)) {
wsm_lock_tx(hw_priv);
WARN_ON(wsm_set_block_ack_policy(hw_priv,
BES2600_TX_BLOCK_ACK_ENABLED_FOR_ALL_TID,
BES2600_RX_BLOCK_ACK_ENABLED_FOR_ALL_TID,
priv->if_id));
wsm_unlock_tx(hw_priv);
}
}
#endif
return 0;
}
static void __bes2600_sta_notify(struct bes2600_vif *priv,
enum sta_notify_cmd notify_cmd,
int link_id)
{
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
u32 bit, prev;
/* Zero link id means "for all link IDs" */
if (link_id)
bit = BIT(link_id);
else if (WARN_ON_ONCE(notify_cmd != STA_NOTIFY_AWAKE))
bit = 0;
else
bit = priv->link_id_map;
prev = priv->sta_asleep_mask & bit;
switch (notify_cmd) {
case STA_NOTIFY_SLEEP:
if (!prev) {
if (priv->buffered_multicasts &&
!priv->sta_asleep_mask)
queue_work(hw_priv->workqueue,
&priv->multicast_start_work);
priv->sta_asleep_mask |= bit;
}
break;
case STA_NOTIFY_AWAKE:
if (prev) {
priv->sta_asleep_mask &= ~bit;
priv->pspoll_mask &= ~bit;
if (priv->tx_multicast && link_id &&
!priv->sta_asleep_mask)
queue_work(hw_priv->workqueue,
&priv->multicast_stop_work);
bes2600_bh_wakeup(hw_priv);
}
break;
}
}
void bes2600_sta_notify(struct ieee80211_hw *dev,
struct ieee80211_vif *vif,
enum sta_notify_cmd notify_cmd,
struct ieee80211_sta *sta)
{
struct bes2600_vif *priv = cw12xx_get_vif_from_ieee80211(vif);
struct bes2600_sta_priv *sta_priv =
(struct bes2600_sta_priv *)&sta->drv_priv;
#ifdef P2P_MULTIVIF
WARN_ON(priv->if_id == CW12XX_GENERIC_IF_ID);
#endif
spin_lock_bh(&priv->ps_state_lock);
__bes2600_sta_notify(priv, notify_cmd, sta_priv->link_id);
spin_unlock_bh(&priv->ps_state_lock);
}
static void bes2600_ps_notify(struct bes2600_vif *priv,
int link_id, bool ps)
{
if (link_id > CW1250_MAX_STA_IN_AP_MODE)
return;
bes_devel("%s for LinkId: %d. STAs asleep: %.8X\n",
ps ? "Stop" : "Start",
link_id, priv->sta_asleep_mask);
/* TODO:COMBO: __bes2600_sta_notify changed. */
__bes2600_sta_notify(priv,
ps ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, link_id);
}
static int bes2600_set_tim_impl(struct bes2600_vif *priv, bool aid0_bit_set)
{
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
struct sk_buff *skb;
struct wsm_update_ie update_ie = {
.what = WSM_UPDATE_IE_BEACON,
.count = 1,
};
u16 tim_offset, tim_length;
bes_devel("[AP] %s mcast: %s.\n",
__func__, aid0_bit_set ? "ena" : "dis");
skb = ieee80211_beacon_get_tim(priv->hw, priv->vif,
&tim_offset, &tim_length, 0);
if (!skb) {
if (!__bes2600_flush(hw_priv, true, priv->if_id))
wsm_unlock_tx(hw_priv);
return -ENOENT;
}
if (tim_offset && tim_length >= 6) {
/* Ignore DTIM count from mac80211:
* firmware handles DTIM internally. */
skb->data[tim_offset + 2] = 0;
/* Set/reset aid0 bit */
if (aid0_bit_set)
skb->data[tim_offset + 4] |= 1;
else
skb->data[tim_offset + 4] &= ~1;
}
update_ie.ies = &skb->data[tim_offset];
update_ie.length = tim_length;
WARN_ON(wsm_update_ie(hw_priv, &update_ie, priv->if_id));
dev_kfree_skb(skb);
return 0;
}
void bes2600_set_tim_work(struct work_struct *work)
{
struct bes2600_vif *priv =
container_of(work, struct bes2600_vif, set_tim_work);
(void)bes2600_set_tim_impl(priv, priv->aid0_bit_set);
}
int bes2600_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta,
bool set)
{
struct bes2600_sta_priv *sta_priv =
(struct bes2600_sta_priv *)&sta->drv_priv;
struct bes2600_vif *priv = sta_priv->priv;
#ifdef P2P_MULTIVIF
WARN_ON(priv->if_id == CW12XX_GENERIC_IF_ID);
#endif
WARN_ON(priv->mode != NL80211_IFTYPE_AP);
queue_work(priv->hw_priv->workqueue, &priv->set_tim_work);
return 0;
}
void bes2600_set_cts_work(struct work_struct *work)
{
struct bes2600_vif *priv =
container_of(work, struct bes2600_vif, set_cts_work.work);
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
u8 erp_ie[3] = {WLAN_EID_ERP_INFO, 0x1, 0};
struct wsm_update_ie update_ie = {
.what = WSM_UPDATE_IE_BEACON,
.count = 1,
.ies = erp_ie,
.length = 3,
};
u32 erp_info;
__le32 use_cts_prot;
down(&hw_priv->conf_lock);
erp_info = priv->erp_info;
up(&hw_priv->conf_lock);
use_cts_prot =
erp_info & WLAN_ERP_USE_PROTECTION ?
__cpu_to_le32(1) : 0;
erp_ie[ERP_INFO_BYTE_OFFSET] = erp_info;
bes_devel("[STA] ERP information 0x%x\n", erp_info);
/* TODO:COMBO: If 2 interfaces are on the same channel they share
the same ERP values */
WARN_ON(wsm_write_mib(hw_priv, WSM_MIB_ID_NON_ERP_PROTECTION,
&use_cts_prot, sizeof(use_cts_prot),
priv->if_id));
/* If STA Mode update_ie is not required */
if (priv->mode != NL80211_IFTYPE_STATION) {
WARN_ON(wsm_update_ie(hw_priv, &update_ie, priv->if_id));
}
return;
}
static int bes2600_set_btcoexinfo(struct bes2600_vif *priv)
{
struct wsm_override_internal_txrate arg;
int ret = 0;
if (priv->mode == NL80211_IFTYPE_STATION) {
/* Plumb PSPOLL and NULL template */
WARN_ON(bes2600_upload_pspoll(priv));
WARN_ON(bes2600_upload_null(priv));
} else {
return 0;
}
memset(&arg, 0, sizeof(struct wsm_override_internal_txrate));
if (!priv->vif->p2p) {
/* STATION mode */
if (priv->bss_params.operationalRateSet & ~0xF) {
bes_devel("[STA] STA has ERP rates\n");
/* G or BG mode */
arg.internalTxRate = (__ffs(
priv->bss_params.operationalRateSet & ~0xF));
} else {
bes_devel("[STA] STA has non ERP rates\n");
/* B only mode */
arg.internalTxRate = (__ffs(
priv->association_mode.basicRateSet));
}
arg.nonErpInternalTxRate = (__ffs(
priv->association_mode.basicRateSet));
} else {
/* P2P mode */
arg.internalTxRate = (__ffs(
priv->bss_params.operationalRateSet & ~0xF));
arg.nonErpInternalTxRate = (__ffs(
priv->bss_params.operationalRateSet & ~0xF));
}
bes_devel("[STA] BTCOEX_INFO"
"MODE %d, internalTxRate : %x, nonErpInternalTxRate: %x\n",
priv->mode,
arg.internalTxRate,
arg.nonErpInternalTxRate);
ret = WARN_ON(wsm_write_mib(cw12xx_vifpriv_to_hwpriv(priv),
WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE,
&arg, sizeof(arg), priv->if_id));
return ret;
}
void bes2600_bss_info_changed(struct ieee80211_hw *dev,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
u64 changed)
{
struct bes2600_common *hw_priv = dev->priv;
struct bes2600_vif *priv = cw12xx_get_vif_from_ieee80211(vif);
struct ieee80211_conf *conf = &dev->conf;
const u8 override_fpsm_timeout = BES2600_FASTPS_IDLE_TIME;
struct ieee80211_vif_cfg *cfg = &vif->cfg;
#ifdef P2P_MULTIVIF
if (priv->if_id == CW12XX_GENERIC_IF_ID)
return;
#endif
bes_devel( "BSS CHANGED: %08llx\n", changed);
down(&hw_priv->conf_lock);
if (changed & BSS_CHANGED_BSSID) {
#ifdef CONFIG_BES2600_TESTMODE
spin_lock_bh(&hw_priv->tsm_lock);
if (hw_priv->tsm_info.sta_associated) {
unsigned now = jiffies;
hw_priv->tsm_info.sta_roamed = 1;
if ((now - hw_priv->tsm_info.txconf_timestamp_vo) >
(now - hw_priv->tsm_info.rx_timestamp_vo))
hw_priv->tsm_info.use_rx_roaming = 1;
} else {
hw_priv->tsm_info.sta_associated = 1;
}
spin_unlock_bh(&hw_priv->tsm_lock);
#endif /*CONFIG_BES2600_TESTMODE*/
memcpy(priv->bssid, info->bssid, ETH_ALEN);
bes2600_setup_mac_pvif(priv);
}
/* TODO: BSS_CHANGED_IBSS */
if (changed & BSS_CHANGED_ARP_FILTER) {
struct wsm_arp_ipv4_filter filter = {0};
int i;
bes_devel("[STA] BSS_CHANGED_ARP_FILTER cnt: %d",
cfg->arp_addr_cnt);
#ifdef WIFI_BT_COEXIST_EPTA_ENABLE
if (cfg->arp_addr_cnt > 0) {
bwifi_change_current_status(hw_priv, BWIFI_STATUS_GOT_IP);
}
#endif
/* Currently only one IP address is supported by firmware.
* In case of more IPs arp filtering will be disabled. */
if (cfg->arp_addr_cnt > 0 &&
cfg->arp_addr_cnt <= WSM_MAX_ARP_IP_ADDRTABLE_ENTRIES) {
for (i = 0; i < cfg->arp_addr_cnt; i++) {
filter.ipv4Address[i] = cfg->arp_addr_list[i];
bes_devel("[STA] addr[%d]: 0x%X\n",
i, filter.ipv4Address[i]);
}
if (vif->type == NL80211_IFTYPE_STATION)
filter.enable = (u32)BES2600_ENABLE_ARP_FILTER_OFFLOAD;
else if (priv->join_status == BES2600_JOIN_STATUS_AP)
filter.enable = (u32)(1<<1);
else
filter.enable = 0;
} else
filter.enable = 0;
bes_devel("[STA] arp ip filter enable: %d\n",
__le32_to_cpu(filter.enable));
if (filter.enable)
bes2600_set_arpreply(dev, vif);
priv->filter4 = filter;
if (filter.enable &&
(priv->join_status == BES2600_JOIN_STATUS_STA)) {
/* Firmware requires that value for this 1-byte field must
* be specified in units of 500us. Values above the 128ms
* threshold are not supported. */
if (conf->dynamic_ps_timeout >= 0x80)
priv->powersave_mode.fastPsmIdlePeriod = 0xFF;
else
priv->powersave_mode.fastPsmIdlePeriod =
conf->dynamic_ps_timeout << 1;
/* override fast psm idle time */
if (override_fpsm_timeout) {
priv->powersave_mode.fastPsmIdlePeriod =
override_fpsm_timeout << 1;
}
if (priv->setbssparams_done) {
if (priv->user_power_set_true)
priv->powersave_mode.pmMode = priv->user_pm_mode;
else if (!priv->power_set_true)
priv->powersave_mode.pmMode = WSM_PSM_FAST_PS;
} else
priv->powersave_mode.pmMode = WSM_PSM_ACTIVE;
priv->power_set_true = 0;
priv->user_power_set_true = 0;
if(!cfg->ps) {
bes2600_pwr_set_busy_event(priv->hw_priv, BES_PWR_LOCK_ON_PS_ACTIVE);
}
}
bes2600_pwr_clear_busy_event(priv->hw_priv, BES_PWR_LOCK_ON_GET_IP);
}
// #if (defined(IPV6_FILTERING) && LINUX_VERSION_CODE > KERNEL_VERSION(4,19,0))
#if 0
if (changed & BSS_CHANGED_NDP_FILTER) {
struct wsm_ndp_ipv6_filter filter = {0};
int i;
u16 *ipv6addr = NULL;
bes_devel("[STA] BSS_CHANGED_NDP_FILTER "
"enabled: %d, cnt: %d\n",
info->ndp_filter_enabled,
info->ndp_addr_cnt);
if (info->ndp_filter_enabled) {
if (vif->type == NL80211_IFTYPE_STATION)
filter.enable = (u32)BES2600_ENABLE_NDP_FILTER_OFFLOAD;
else if ((vif->type == NL80211_IFTYPE_AP))
filter.enable = (u32)(1<<1);
else
filter.enable = 0;
}
/* Currently only one IP address is supported by firmware.
* In case of more IPs ndp filtering will be disabled. */
if (info->ndp_addr_cnt > 0 &&
info->ndp_addr_cnt <= WSM_MAX_NDP_IP_ADDRTABLE_ENTRIES) {
for (i = 0; i < info->ndp_addr_cnt; i++) {
priv->filter6.ipv6Address[i] = filter.ipv6Address[i] = info->ndp_addr_list[i];
ipv6addr = (u16 *)(&filter.ipv6Address[i]);
bes_devel("[STA] ipv6 addr[%d]: %x:%x:%x:%x:%x:%x:%x:%x\n", \
i, cpu_to_be16(*(ipv6addr + 0)), cpu_to_be16(*(ipv6addr + 1)), \
cpu_to_be16(*(ipv6addr + 2)), cpu_to_be16(*(ipv6addr + 3)), \
cpu_to_be16(*(ipv6addr + 4)), cpu_to_be16(*(ipv6addr + 5)), \
cpu_to_be16(*(ipv6addr + 6)), cpu_to_be16(*(ipv6addr + 7)));
}
} else {
filter.enable = 0;
for (i = 0; i < info->ndp_addr_cnt; i++) {
ipv6addr = (u16 *)(&info->ndp_addr_list[i]);
bes_devel("[STA] ipv6 addr[%d]: %x:%x:%x:%x:%x:%x:%x:%x\n", \
i, cpu_to_be16(*(ipv6addr + 0)), cpu_to_be16(*(ipv6addr + 1)), \
cpu_to_be16(*(ipv6addr + 2)), cpu_to_be16(*(ipv6addr + 3)), \
cpu_to_be16(*(ipv6addr + 4)), cpu_to_be16(*(ipv6addr + 5)), \
cpu_to_be16(*(ipv6addr + 6)), cpu_to_be16(*(ipv6addr + 7)));
}
}
bes_devel("[STA] ndp ip filter enable: %d\n",
__le32_to_cpu(filter.enable));
if (filter.enable)
bes2600_set_na(dev, vif);
priv->filter6.enable = filter.enable;
if (wsm_set_ndp_ipv6_filter(hw_priv, &filter, priv->if_id))
WARN_ON(1);
#if 0 /*Commented out to disable Power Save in IPv6*/
if (filter.enable && (priv->join_status == BES2600_JOIN_STATUS_STA) && (priv->vif->p2p) &&
!(priv->firmware_ps_mode.pmMode & WSM_PSM_FAST_PS)) {
if(priv->setbssparams_done) {
struct wsm_set_pm pm = priv->powersave_mode;
int ret = 0;
priv->powersave_mode.pmMode = WSM_PSM_FAST_PS;
ret = bes2600_set_pm(priv, &priv->powersave_mode);
if(ret) {
priv->powersave_mode = pm;
}
} else {
priv->powersave_mode.pmMode = WSM_PSM_FAST_PS;
}
}
#endif
}
#endif /*IPV6_FILTERING*/
if (changed & BSS_CHANGED_BEACON) {
bes_devel("BSS_CHANGED_BEACON\n");
#ifdef HIDDEN_SSID
if (priv->join_status != BES2600_JOIN_STATUS_AP)
{
priv->hidden_ssid = info->hidden_ssid;
priv->ssid_length = info->ssid_len;
memcpy(priv->ssid, info->ssid, info->ssid_len);
}
else
bes_devel("priv->join_status=%d\n",priv->join_status);
#endif
WARN_ON(bes2600_upload_beacon(priv));
WARN_ON(bes2600_update_beaconing(priv));
}
if (changed & BSS_CHANGED_BEACON_ENABLED) {
bes_devel("BSS_CHANGED_BEACON_ENABLED dummy\n");
priv->enable_beacon = info->enable_beacon;
}
if (changed & BSS_CHANGED_BEACON_INT) {
bes_devel("CHANGED_BEACON_INT\n");
/* Restart AP only when connected */
if (priv->join_status == BES2600_JOIN_STATUS_AP)
WARN_ON(bes2600_update_beaconing(priv));
}
if (changed & BSS_CHANGED_ASSOC) {
wsm_lock_tx(hw_priv);
priv->wep_default_key_id = -1;
wsm_unlock_tx(hw_priv);
if (!cfg->assoc /* && !info->ibss_joined */) {
#ifdef P2P_STA_COEX
priv->cqm_link_loss_count = 400;
priv->cqm_beacon_loss_count = 200;
#else
priv->cqm_link_loss_count = 100;
priv->cqm_beacon_loss_count = 50;
#endif
priv->cqm_tx_failure_thold = 0;
}
priv->cqm_tx_failure_count = 0;
}
if (changed &
(BSS_CHANGED_ASSOC |
BSS_CHANGED_BASIC_RATES |
BSS_CHANGED_ERP_PREAMBLE |
BSS_CHANGED_HT |
BSS_CHANGED_ERP_SLOT)) {
int is_combo = 0;
int i;
struct bes2600_vif *tmp_priv;
bes_devel( "BSS_CHANGED_ASSOC assoc: %d.\n", cfg->assoc);
if (cfg->assoc) { /* TODO: ibss_joined */
struct ieee80211_sta *sta = NULL;
if (info->dtim_period)
priv->join_dtim_period = info->dtim_period;
priv->beacon_int = info->beacon_int;
/* Associated: kill join timeout */
if(changed & BSS_CHANGED_ASSOC) {
cancel_delayed_work_sync(&priv->join_timeout);
bes2600_pwr_clear_busy_event(priv->hw_priv, BES_PWR_LOCK_ON_JOIN);
bes2600_pwr_set_busy_event(priv->hw_priv, BES_PWR_LOCK_ON_GET_IP);
#ifdef BES2600_TX_RX_OPT
txrx_opt_timer_init(priv);
#endif
}
rcu_read_lock();
if (info->bssid)
sta = ieee80211_find_sta(vif, info->bssid);
if (sta) {
/* TODO:COMBO:Change this once
* mac80211 changes are available */
enum nl80211_channel_type ch_type;
BUG_ON(!hw_priv->channel);
hw_priv->ht_info.ht_cap = sta->deflink.ht_cap;
priv->bss_params.operationalRateSet =
__cpu_to_le32(
bes2600_rate_mask_to_wsm(hw_priv,
sta->deflink.supp_rates[hw_priv->channel->band]));
rcu_read_unlock();
ch_type = cfg80211_get_chandef_type(&info->chanreq.oper);
bes_devel("[STA] ch %d, type: %d, HT oper mode: %d\n",
hw_priv->channel->hw_value,
ch_type, info->ht_operation_mode);
if ((changed & BSS_CHANGED_ASSOC) &&
priv->join_status == BES2600_JOIN_STATUS_STA) {
struct wsm_switch_channel channel;
hw_priv->ht_info.channel_type = ch_type;
channel.channelMode = hw_priv->ht_info.channel_type << 4;
channel.channelSwitchCount = 0;
channel.newChannelNumber = hw_priv->channel->hw_value;
wsm_switch_channel(hw_priv, &channel, priv->if_id);
bes_devel( "channel type changed to %d !!!\n", hw_priv->ht_info.channel_type);
}
if (hw_priv->ht_info.operation_mode != info->ht_operation_mode)
hw_priv->ht_info.operation_mode = info->ht_operation_mode;
#ifdef WIFI_BT_COEXIST_EPTA_ENABLE
if (changed & BSS_CHANGED_ASSOC) {
if (hw_priv->channel->band != NL80211_BAND_2GHZ)
bwifi_change_current_status(hw_priv, BWIFI_STATUS_CONNECTED_5G);
else
bwifi_change_current_status(hw_priv, BWIFI_STATUS_CONNECTED);
}
#endif
} else {
rcu_read_unlock();
memset(&hw_priv->ht_info, 0, sizeof(hw_priv->ht_info));
priv->bss_params.operationalRateSet = -1;
}
//rcu_read_unlock();
priv->htcap = (sta && bes2600_is_ht(&hw_priv->ht_info));
bes2600_for_each_vif(hw_priv, tmp_priv, i) {
#ifdef P2P_MULTIVIF
if ((i == (CW12XX_MAX_VIFS - 1)) || !tmp_priv)
#else
if (!tmp_priv)
#endif
continue;
if (tmp_priv->join_status >= BES2600_JOIN_STATUS_STA)
is_combo++;
}
if (is_combo > 1) {
hw_priv->vif0_throttle = CW12XX_HOST_VIF0_11BG_THROTTLE;
hw_priv->vif1_throttle = CW12XX_HOST_VIF1_11BG_THROTTLE;
bes_devel( "ASSOC is_combo %d\n",hw_priv->vif0_throttle);
} else if ((priv->join_status == BES2600_JOIN_STATUS_STA) &&
priv->htcap) {
hw_priv->vif0_throttle = CW12XX_HOST_VIF0_11N_THROTTLE;
hw_priv->vif1_throttle = CW12XX_HOST_VIF1_11N_THROTTLE;
bes_devel( "ASSOC HTCAP 11N %d\n",hw_priv->vif0_throttle);
} else {
hw_priv->vif0_throttle = CW12XX_HOST_VIF0_11BG_THROTTLE;
hw_priv->vif1_throttle = CW12XX_HOST_VIF1_11BG_THROTTLE;
bes_devel( "ASSOC not_combo 11BG %d\n",hw_priv->vif0_throttle);
}
if (sta) {
__le32 val = 0;
if (hw_priv->ht_info.operation_mode &
IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) {
bes_devel( "[STA]"
" Non-GF STA present\n");
/* Non Green field capable STA */
val = __cpu_to_le32(BIT(1));
}
WARN_ON(wsm_write_mib(hw_priv,
WSM_MID_ID_SET_HT_PROTECTION,
&val, sizeof(val), priv->if_id));
}
priv->association_mode.greenfieldMode =
bes2600_ht_greenfield(&hw_priv->ht_info);
priv->association_mode.flags =
WSM_ASSOCIATION_MODE_SNOOP_ASSOC_FRAMES |
WSM_ASSOCIATION_MODE_USE_PREAMBLE_TYPE |
WSM_ASSOCIATION_MODE_USE_HT_MODE |
WSM_ASSOCIATION_MODE_USE_BASIC_RATE_SET |
WSM_ASSOCIATION_MODE_USE_MPDU_START_SPACING;
priv->association_mode.preambleType =
info->use_short_preamble ?
WSM_JOIN_PREAMBLE_SHORT :
WSM_JOIN_PREAMBLE_LONG;
priv->association_mode.basicRateSet = __cpu_to_le32(
bes2600_rate_mask_to_wsm(hw_priv,
info->basic_rates));
priv->association_mode.mpduStartSpacing =
bes2600_ht_ampdu_density(&hw_priv->ht_info);
#if defined(CONFIG_BES2600_USE_STE_EXTENSIONS)
priv->cqm_beacon_loss_count =
info->cqm_beacon_miss_thold;
priv->cqm_tx_failure_thold =
info->cqm_tx_fail_thold;
priv->cqm_tx_failure_count = 0;
cancel_delayed_work_sync(&priv->bss_loss_work);
cancel_delayed_work_sync(&priv->connection_loss_work);
#endif /* CONFIG_BES2600_USE_STE_EXTENSIONS */
priv->bss_params.beaconLostCount =
priv->cqm_beacon_loss_count ?
priv->cqm_beacon_loss_count :
priv->cqm_link_loss_count;
priv->bss_params.aid = cfg->aid;
if (priv->join_dtim_period < 1)
priv->join_dtim_period = 1;
bes_devel("[STA] DTIM %d, interval: %d\n",
priv->join_dtim_period, priv->beacon_int);
bes_devel("[STA] Preamble: %d, " \
"Greenfield: %d, Aid: %d, " \
"Rates: 0x%.8X, Basic: 0x%.8X\n",
priv->association_mode.preambleType,
priv->association_mode.greenfieldMode,
priv->bss_params.aid,
priv->bss_params.operationalRateSet,
priv->association_mode.basicRateSet);
WARN_ON(wsm_set_association_mode(hw_priv,
&priv->association_mode, priv->if_id));
WARN_ON(wsm_keep_alive_period(hw_priv,
BES2600_KEEP_ALIVE_PERIOD /* sec */,
priv->if_id));
WARN_ON(wsm_set_bss_params(hw_priv, &priv->bss_params,
priv->if_id));
priv->setbssparams_done = true;
WARN_ON(wsm_set_beacon_wakeup_period(hw_priv,
priv->beacon_int * priv->join_dtim_period >
MAX_BEACON_SKIP_TIME_MS ? 1 :
priv->join_dtim_period, 0, priv->if_id));
if (priv->htcap) {
wsm_lock_tx(hw_priv);
/* Statically enabling block ack for TX/RX */
WARN_ON(wsm_set_block_ack_policy(hw_priv,
hw_priv->ba_tid_mask, hw_priv->ba_tid_mask,
priv->if_id));
wsm_unlock_tx(hw_priv);
}
if (priv->vif->p2p) {
bes_devel(
"[STA] Setting p2p powersave "
"configuration.\n");
WARN_ON(wsm_set_p2p_ps_modeinfo(hw_priv,
&priv->p2p_ps_modeinfo, priv->if_id));
#if defined(CONFIG_BES2600_USE_STE_EXTENSIONS)
bes2600_notify_noa(priv, BES2600_NOA_NOTIFICATION_DELAY);
#endif
}
if (priv->mode == NL80211_IFTYPE_STATION)
WARN_ON(bes2600_upload_qosnull(priv));
if (hw_priv->is_BT_Present)
WARN_ON(bes2600_set_btcoexinfo(priv));
atomic_set(&priv->connect_in_process, 0);
if (priv->delayed_unjoin) {
priv->delayed_unjoin = false;
bes_devel( "queue delayed unjoin work for connect\n");
if (queue_work(hw_priv->workqueue, &priv->unjoin_work) <= 0)
wsm_unlock_tx(hw_priv);
}
#if 0
/* It's better to override internal TX rete; otherwise
* device sends RTS at too high rate. However device
* can't receive CTS at 1 and 2 Mbps. Well, 5.5 is a
* good choice for RTS/CTS, but that means PS poll
* will be sent at the same rate - impact on link
* budget. Not sure what is better.. */
/* Update: internal rate selection algorythm is not
* bad: if device is not receiving CTS at high rate,
* it drops RTS rate.
* So, conclusion: if-0 the code. Keep code just for
* information:
* Do not touch WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE! */
/* ~3 is a bug in device: RTS/CTS is not working at
* low rates */
__le32 internal_tx_rate = __cpu_to_le32(__ffs(
priv->association_mode.basicRateSet & ~3));
WARN_ON(wsm_write_mib(priv,
WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE,
&internal_tx_rate,
sizeof(internal_tx_rate)));
#endif
} else {
#ifdef WIFI_BT_COEXIST_EPTA_ENABLE
if (changed & BSS_CHANGED_ASSOC)
bwifi_change_current_status(hw_priv, BWIFI_STATUS_DISCONNECTED);
#endif
memset(&hw_priv->ht_info, 0,
sizeof(hw_priv->ht_info));
memset(&priv->association_mode, 0,
sizeof(priv->association_mode));
memset(&priv->bss_params, 0, sizeof(priv->bss_params));
}
}
if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_CTS_PROT)) {
u32 prev_erp_info = priv->erp_info;
if (priv->join_status == BES2600_JOIN_STATUS_AP) {
if (info->use_cts_prot)
priv->erp_info |= WLAN_ERP_USE_PROTECTION;
else if (!(prev_erp_info & WLAN_ERP_NON_ERP_PRESENT))
priv->erp_info &= ~WLAN_ERP_USE_PROTECTION;
if (prev_erp_info != priv->erp_info)
queue_delayed_work(hw_priv->workqueue,
&priv->set_cts_work, 0*HZ);
}
}
if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_ERP_SLOT)) {
__le32 slot_time = info->use_short_slot ?
__cpu_to_le32(9) : __cpu_to_le32(20);
bes_devel("[STA] Slot time :%d us.\n",
__le32_to_cpu(slot_time));
WARN_ON(wsm_write_mib(hw_priv, WSM_MIB_ID_DOT11_SLOT_TIME,
&slot_time, sizeof(slot_time), priv->if_id));
}
if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_CQM)) {
struct wsm_rcpi_rssi_threshold threshold = {
.rollingAverageCount = 8,
};
#if 0
/* For verification purposes */
info->cqm_rssi_thold = -50;
info->cqm_rssi_hyst = 4;
#endif /* 0 */
bes_devel("[CQM] RSSI threshold "
"subscribe: %d +- %d\n",
info->cqm_rssi_thold, info->cqm_rssi_hyst);
#if defined(CONFIG_BES2600_USE_STE_EXTENSIONS)
bes_devel("[CQM] Beacon loss subscribe: %d\n",
info->cqm_beacon_miss_thold);
bes_devel("[CQM] TX failure subscribe: %d\n",
info->cqm_tx_fail_thold);
priv->cqm_rssi_thold = info->cqm_rssi_thold;
priv->cqm_rssi_hyst = info->cqm_rssi_hyst;
#endif /* CONFIG_BES2600_USE_STE_EXTENSIONS */
if (info->cqm_rssi_thold || info->cqm_rssi_hyst) {
/* RSSI subscription enabled */
/* TODO: It's not a correct way of setting threshold.
* Upper and lower must be set equal here and adjusted
* in callback. However current implementation is much
* more relaible and stable. */
if (priv->cqm_use_rssi) {
threshold.upperThreshold =
info->cqm_rssi_thold +
info->cqm_rssi_hyst;
threshold.lowerThreshold =
info->cqm_rssi_thold;
} else {
/* convert RSSI to RCPI
* RCPI = (RSSI + 110) * 2 */
threshold.upperThreshold =
(info->cqm_rssi_thold +
info->cqm_rssi_hyst + 110) * 2;
threshold.lowerThreshold =
(info->cqm_rssi_thold + 110) * 2;
}
threshold.rssiRcpiMode |=
WSM_RCPI_RSSI_THRESHOLD_ENABLE;
} else {
/* There is a bug in FW, see sta.c. We have to enable
* dummy subscription to get correct RSSI values. */
threshold.rssiRcpiMode |=
WSM_RCPI_RSSI_THRESHOLD_ENABLE |
WSM_RCPI_RSSI_DONT_USE_UPPER |
WSM_RCPI_RSSI_DONT_USE_LOWER;
}
WARN_ON(wsm_set_rcpi_rssi_threshold(hw_priv, &threshold,
priv->if_id));
#if defined(CONFIG_BES2600_USE_STE_EXTENSIONS)
priv->cqm_tx_failure_thold = info->cqm_tx_fail_thold;
priv->cqm_tx_failure_count = 0;
if (priv->cqm_beacon_loss_count !=
info->cqm_beacon_miss_thold) {
priv->cqm_beacon_loss_count =
info->cqm_beacon_miss_thold;
priv->bss_params.beaconLostCount =
priv->cqm_beacon_loss_count ?
priv->cqm_beacon_loss_count :
priv->cqm_link_loss_count;
/* Make sure we are associated before sending
* set_bss_params to firmware */
if (priv->bss_params.aid) {
WARN_ON(wsm_set_bss_params(hw_priv,
&priv->bss_params,
priv->if_id));
priv->setbssparams_done = true;
}
}
#endif /* CONFIG_BES2600_USE_STE_EXTENSIONS */
}
if (changed & BSS_CHANGED_BANDWIDTH) {
enum nl80211_channel_type ch_type = cfg80211_get_chandef_type(&info->chanreq.oper);
if (cfg->assoc &&
hw_priv->ht_info.channel_type != ch_type &&
priv->join_status == BES2600_JOIN_STATUS_STA) {
struct wsm_switch_channel channel;
hw_priv->ht_info.channel_type = ch_type;
channel.channelMode = hw_priv->ht_info.channel_type << 4;
channel.channelSwitchCount = 0;
channel.newChannelNumber = hw_priv->channel->hw_value;
wsm_switch_channel(hw_priv, &channel, priv->if_id);
bes_devel( "channel type changed to %d !!!\n", hw_priv->ht_info.channel_type);
}
}
if (changed & BSS_CHANGED_PS) {
if (cfg->ps == false)
priv->powersave_mode.pmMode = WSM_PSM_ACTIVE;
else if (conf->dynamic_ps_timeout <= 0)
priv->powersave_mode.pmMode = WSM_PSM_PS;
else
priv->powersave_mode.pmMode = WSM_PSM_FAST_PS;
/* set/clear ps active power busy event */
if(priv->join_status == BES2600_JOIN_STATUS_STA) {
if(!cfg->ps) {
bes2600_pwr_set_busy_event(priv->hw_priv, BES_PWR_LOCK_ON_PS_ACTIVE);
} else {
bes2600_pwr_clear_busy_event(priv->hw_priv, BES_PWR_LOCK_ON_PS_ACTIVE);
}
}
bes_devel( "[STA] Aid: %d, Joined: %s, Powersave: %s\n",
priv->bss_params.aid,
priv->join_status == BES2600_JOIN_STATUS_STA ? "yes" : "no",
priv->powersave_mode.pmMode == WSM_PSM_ACTIVE ? "WSM_PSM_ACTIVE" :
priv->powersave_mode.pmMode == WSM_PSM_PS ? "WSM_PSM_PS" :
priv->powersave_mode.pmMode == WSM_PSM_FAST_PS ? "WSM_PSM_FAST_PS" :
"UNKNOWN");
/* Firmware requires that value for this 1-byte field must
* be specified in units of 500us. Values above the 128ms
* threshold are not supported. */
if (conf->dynamic_ps_timeout >= 0x80)
priv->powersave_mode.fastPsmIdlePeriod = 0xFF;
else
priv->powersave_mode.fastPsmIdlePeriod =
conf->dynamic_ps_timeout << 1;
/* override fast psm idle time */
if (override_fpsm_timeout) {
priv->powersave_mode.fastPsmIdlePeriod =
override_fpsm_timeout << 1;
}
if (priv->join_status == BES2600_JOIN_STATUS_STA &&
priv->bss_params.aid &&
priv->setbssparams_done &&
priv->filter4.enable &&
priv->powersave_mode.pmMode == WSM_PSM_ACTIVE) {
bes2600_set_pm(priv, &priv->powersave_mode);
} else {
priv->power_set_true = 1;
}
}
#if defined(CONFIG_BES2600_USE_STE_EXTENSIONS)
if (changed & BSS_CHANGED_P2P_PS) {
struct wsm_p2p_ps_modeinfo *modeinfo;
modeinfo = &priv->p2p_ps_modeinfo;
bes_devel("[AP] BSS_CHANGED_P2P_PS\n");
bes_devel("[AP] Legacy PS: %d for AID %d "
"in %d mode.\n", info->p2p_ps.legacy_ps,
priv->bss_params.aid, priv->join_status);
if (info->p2p_ps.legacy_ps >= 0) {
if (info->p2p_ps.legacy_ps > 0)
priv->powersave_mode.pmMode = WSM_PSM_PS;
else
priv->powersave_mode.pmMode = WSM_PSM_ACTIVE;
if(info->p2p_ps.ctwindow && info->p2p_ps.opp_ps)
priv->powersave_mode.pmMode = WSM_PSM_PS;
if (priv->join_status == BES2600_JOIN_STATUS_STA)
bes2600_set_pm(priv, &priv->powersave_mode);
}
bes_devel("[AP] CTWindow: %d\n",
info->p2p_ps.ctwindow);
if (info->p2p_ps.ctwindow >= 128)
modeinfo->oppPsCTWindow = 127;
else if (info->p2p_ps.ctwindow >= 0)
modeinfo->oppPsCTWindow = info->p2p_ps.ctwindow;
bes_devel("[AP] Opportunistic: %d\n",
info->p2p_ps.opp_ps);
switch (info->p2p_ps.opp_ps) {
case 0:
modeinfo->oppPsCTWindow &= ~(BIT(7));
break;
case 1:
modeinfo->oppPsCTWindow |= BIT(7);
break;
default:
break;
}
bes_devel("[AP] NOA: %d, %d, %d, %d\n",
info->p2p_ps.count,
info->p2p_ps.start,
info->p2p_ps.duration,
info->p2p_ps.interval);
/* Notice of Absence */
modeinfo->count = info->p2p_ps.count;
if (info->p2p_ps.count) {
/* In case P2P_GO we need some extra time to be sure
* we will update beacon/probe_resp IEs correctly */
#define NOA_DELAY_START_MS 300
if (priv->join_status == BES2600_JOIN_STATUS_AP)
modeinfo->startTime =
__cpu_to_le32(info->p2p_ps.start +
NOA_DELAY_START_MS);
else
modeinfo->startTime =
__cpu_to_le32(info->p2p_ps.start);
modeinfo->duration =
__cpu_to_le32(info->p2p_ps.duration);
modeinfo->interval =
__cpu_to_le32(info->p2p_ps.interval);
modeinfo->dtimCount = 1;
modeinfo->reserved = 0;
} else {
modeinfo->dtimCount = 0;
modeinfo->startTime = 0;
modeinfo->reserved = 0;
modeinfo->duration = 0;
modeinfo->interval = 0;
}
#if defined(CONFIG_BES2600_STA_DEBUG)
print_hex_dump_bytes("p2p_set_ps_modeinfo: ",
DUMP_PREFIX_NONE,
(u8 *)modeinfo,
sizeof(*modeinfo));
#endif /* CONFIG_BES2600_STA_DEBUG */
if (priv->join_status == BES2600_JOIN_STATUS_STA ||
priv->join_status == BES2600_JOIN_STATUS_AP) {
WARN_ON(wsm_set_p2p_ps_modeinfo(hw_priv, modeinfo,
priv->if_id));
}
/* Temporary solution while firmware don't support NOA change
* notification yet */
bes2600_notify_noa(priv, 10);
}
#endif /* CONFIG_BES2600_USE_STE_EXTENSIONS */
up(&hw_priv->conf_lock);
}
void bes2600_multicast_start_work(struct work_struct *work)
{
struct bes2600_vif *priv =
container_of(work, struct bes2600_vif, multicast_start_work);
long tmo = priv->join_dtim_period *
(priv->beacon_int + 20) * HZ / 1024;
cancel_work_sync(&priv->multicast_stop_work);
if (!priv->aid0_bit_set) {
wsm_lock_tx(priv->hw_priv);
bes2600_set_tim_impl(priv, true);
priv->aid0_bit_set = true;
mod_timer(&priv->mcast_timeout, jiffies + tmo);
wsm_unlock_tx(priv->hw_priv);
}
}
void bes2600_multicast_stop_work(struct work_struct *work)
{
struct bes2600_vif *priv =
container_of(work, struct bes2600_vif, multicast_stop_work);
if (priv->aid0_bit_set) {
del_timer_sync(&priv->mcast_timeout);
wsm_lock_tx(priv->hw_priv);
priv->aid0_bit_set = false;
bes2600_set_tim_impl(priv, false);
wsm_unlock_tx(priv->hw_priv);
}
}
void bes2600_mcast_timeout(struct timer_list *t)
{
struct bes2600_vif *priv = from_timer(priv, t, mcast_timeout);
wiphy_warn(priv->hw->wiphy,
"Multicast delivery timeout.\n");
spin_lock_bh(&priv->ps_state_lock);
priv->tx_multicast = priv->aid0_bit_set &&
priv->buffered_multicasts;
if (priv->tx_multicast)
bes2600_bh_wakeup(cw12xx_vifpriv_to_hwpriv(priv));
spin_unlock_bh(&priv->ps_state_lock);
}
int bes2600_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_ampdu_params *params)
{
/* Aggregation is implemented fully in firmware,
* including block ack negotiation.
* In case of AMPDU aggregation in RX direction
* re-ordering of packets takes place on host. mac80211
* needs the ADDBA Request to setup reodering.mac80211 also
* sends ADDBA Response which is discarded in the driver as
* FW generates the ADDBA Response on its own.*/
int ret;
switch (params->action) {
case IEEE80211_AMPDU_RX_START:
case IEEE80211_AMPDU_RX_STOP:
/* Just return OK to mac80211 */
ret = 0;
break;
default:
ret = -ENOTSUPP;
}
return ret;
}
/* ******************************************************************** */
/* WSM callback */
void bes2600_suspend_resume(struct bes2600_vif *priv,
struct wsm_suspend_resume *arg)
{
struct bes2600_common *hw_priv =
cw12xx_vifpriv_to_hwpriv(priv);
bes_devel("[AP] %s: %s\n",
arg->stop ? "stop" : "start",
arg->multicast ? "broadcast" : "unicast");
if (arg->multicast) {
bool cancel_tmo = false;
spin_lock_bh(&priv->ps_state_lock);
if (arg->stop) {
priv->tx_multicast = false;
} else {
/* Firmware sends this indication every DTIM if there
* is a STA in powersave connected. There is no reason
* to suspend, following wakeup will consume much more
* power than it could be saved. */
u32 timeout = priv->join_dtim_period *
(priv->beacon_int + 20) * HZ / 1024;
timeout = jiffies_to_msecs(timeout);
bes2600_pwr_set_busy_event_with_timeout_async(hw_priv,
BES_PWR_LOCK_ON_MUL_REQ, timeout);
priv->tx_multicast = priv->aid0_bit_set &&
priv->buffered_multicasts;
if (priv->tx_multicast) {
cancel_tmo = true;
bes2600_bh_wakeup(hw_priv);
}
}
spin_unlock_bh(&priv->ps_state_lock);
if (cancel_tmo)
del_timer_sync(&priv->mcast_timeout);
} else {
spin_lock_bh(&priv->ps_state_lock);
bes2600_ps_notify(priv, arg->link_id, arg->stop);
spin_unlock_bh(&priv->ps_state_lock);
if (!arg->stop)
bes2600_bh_wakeup(hw_priv);
}
return;
}
/* ******************************************************************** */
/* AP privates */
static int bes2600_upload_beacon(struct bes2600_vif *priv)
{
int ret = 0;
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
struct wsm_template_frame frame = {
.frame_type = WSM_FRAME_TYPE_BEACON,
};
struct ieee80211_mgmt *mgmt;
u8 *erp_inf, *ies, *ht_info;
u32 ies_len;
if (priv->vif->p2p ||
hw_priv->channel->band == NL80211_BAND_5GHZ)
frame.rate = WSM_TRANSMIT_RATE_6;
frame.skb = ieee80211_beacon_get(priv->hw, priv->vif, 0);
if (WARN_ON(!frame.skb))
return -ENOMEM;
mgmt = (void *)frame.skb->data;
ies = mgmt->u.beacon.variable;
ies_len = frame.skb->len - (u32)(ies - (u8 *)mgmt);
ht_info = (u8 *)cfg80211_find_ie( WLAN_EID_HT_OPERATION, ies, ies_len);
if (ht_info) {
/* Enable RIFS*/
ht_info[3] |= 8;
}
erp_inf = (u8 *)cfg80211_find_ie(WLAN_EID_ERP_INFO, ies, ies_len);
if (erp_inf) {
if (erp_inf[ERP_INFO_BYTE_OFFSET]
& WLAN_ERP_BARKER_PREAMBLE)
priv->erp_info |= WLAN_ERP_BARKER_PREAMBLE;
else
priv->erp_info &= ~WLAN_ERP_BARKER_PREAMBLE;
if (erp_inf[ERP_INFO_BYTE_OFFSET]
& WLAN_ERP_NON_ERP_PRESENT) {
priv->erp_info |= WLAN_ERP_USE_PROTECTION;
priv->erp_info |= WLAN_ERP_NON_ERP_PRESENT;
} else {
priv->erp_info &= ~WLAN_ERP_USE_PROTECTION;
priv->erp_info &= ~WLAN_ERP_NON_ERP_PRESENT;
}
}
#ifdef HIDDEN_SSID
if (priv->hidden_ssid) {
u8 *ssid_ie;
u8 ssid_len;
bes_devel("%s: hidden_ssid set\n", __func__);
ssid_ie = (u8 *)cfg80211_find_ie(WLAN_EID_SSID, ies, ies_len);
WARN_ON(!ssid_ie);
ssid_len = ssid_ie[1];
if (ssid_len) {
bes_devel("%s: hidden_ssid with zero content "
"ssid\n", __func__);
ssid_ie[1] = 0;
memmove(ssid_ie + 2, ssid_ie + 2 + ssid_len,
(ies + ies_len -
(ssid_ie + 2 + ssid_len)));
frame.skb->len -= ssid_len;
} else {
pbes_devel("%s: hidden ssid with ssid len 0"
" not supported", __func__);
dev_kfree_skb(frame.skb);
return -1;
}
}
#endif
ret = wsm_set_template_frame(hw_priv, &frame, priv->if_id);
if (!ret) {
#ifdef PROBE_RESP_EXTRA_IE
ret = bes2600_upload_proberesp(priv);
#else
/* TODO: Distille probe resp; remove TIM
* and other beacon-specific IEs */
*(__le16 *)frame.skb->data =
__cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_PROBE_RESP);
frame.frame_type = WSM_FRAME_TYPE_PROBE_RESPONSE;
/* TODO: Ideally probe response template should separately
configured by supplicant through openmac. This is a
temporary work-around known to fail p2p group info
attribute related tests
*/
if (0 /* priv->vif->p2p */)
ret = wsm_set_probe_responder(priv, true);
else {
ret = wsm_set_template_frame(hw_priv, &frame,
priv->if_id);
WARN_ON(wsm_set_probe_responder(priv, false));
}
#endif
}
dev_kfree_skb(frame.skb);
return ret;
}
#ifdef PROBE_RESP_EXTRA_IE
static int bes2600_upload_proberesp(struct bes2600_vif *priv)
{
int ret = 0;
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
struct wsm_template_frame frame = {
.frame_type = WSM_FRAME_TYPE_PROBE_RESPONSE,
};
#ifdef HIDDEN_SSID
u8 *ssid_ie;
#endif
if (priv->vif->p2p || hw_priv->channel->band == NL80211_BAND_5GHZ)
frame.rate = WSM_TRANSMIT_RATE_6;
frame.skb = ieee80211_proberesp_get(priv->hw, priv->vif);
if (WARN_ON(!frame.skb))
return -ENOMEM;
#ifdef HIDDEN_SSID
if (priv->hidden_ssid) {
int offset;
u8 ssid_len;
/* we are assuming beacon from upper layer will always contain
zero filled ssid for hidden ap. The beacon shall never have
ssid len = 0.
*/
offset = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
ssid_ie = (u8 *)cfg80211_find_ie(WLAN_EID_SSID,
frame.skb->data + offset,
frame.skb->len - offset);
ssid_len = ssid_ie[1];
if (ssid_len && (ssid_len == priv->ssid_length)) {
memcpy(ssid_ie + 2, priv->ssid, ssid_len);
} else {
bes_devel("%s: hidden ssid with mismatched ssid_len %d\n",
__func__, ssid_len);
dev_kfree_skb(frame.skb);
return -1;
}
}
#endif
ret = wsm_set_template_frame(hw_priv, &frame, priv->if_id);
WARN_ON(wsm_set_probe_responder(priv, false));
dev_kfree_skb(frame.skb);
return ret;
}
#endif
static int bes2600_upload_pspoll(struct bes2600_vif *priv)
{
int ret = 0;
struct wsm_template_frame frame = {
.frame_type = WSM_FRAME_TYPE_PS_POLL,
.rate = 0xFF,
};
frame.skb = ieee80211_pspoll_get(priv->hw, priv->vif);
if (WARN_ON(!frame.skb))
return -ENOMEM;
ret = wsm_set_template_frame(cw12xx_vifpriv_to_hwpriv(priv), &frame,
priv->if_id);
dev_kfree_skb(frame.skb);
return ret;
}
static int bes2600_upload_null(struct bes2600_vif *priv)
{
int ret = 0;
struct wsm_template_frame frame = {
.frame_type = WSM_FRAME_TYPE_NULL,
.rate = 0xFF,
};
frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif, 0, false);
if (WARN_ON(!frame.skb))
return -ENOMEM;
ret = wsm_set_template_frame(cw12xx_vifpriv_to_hwpriv(priv),
&frame, priv->if_id);
dev_kfree_skb(frame.skb);
return ret;
}
static int bes2600_upload_qosnull(struct bes2600_vif *priv)
{
int ret = 0;
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
struct wsm_template_frame frame = {
.frame_type = WSM_FRAME_TYPE_QOS_NULL,
.rate = 0xFF,
};
frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif, 0, false);
if (WARN_ON(!frame.skb))
return -ENOMEM;
ret = wsm_set_template_frame(hw_priv, &frame, priv->if_id);
dev_kfree_skb(frame.skb);
return ret;
}
/* This API is nolonegr present in WSC */
#if 0
static int bes2600_enable_beaconing(struct bes2600_vif *priv,
bool enable)
{
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
struct wsm_beacon_transmit transmit = {
.enableBeaconing = enable,
};
return wsm_beacon_transmit(hw_priv, &transmit, priv->if_id);
}
#endif
static int start_dhcpd(void)
{
#if 0
volatile int result=0;
char cmdPath[]="/bin/bash";
char cmdText[128];
char* cmdArgv[]={cmdPath, "-c", cmdText, NULL};
char* cmdArgv2[]={cmdPath, "-c", "/usr/sbin/dhcpd >> /tmp/log", NULL};
char* cmdEnvp[]={"HOME=/", "PATH=/sbin:/bin:/usr/bin:/usr/sbin", NULL};
static int ifname_id = 0;
snprintf(cmdText, 128, "/sbin/ifconfig p2p-wlan0-%d 192.168.50.1/24 up >> /tmp/log2", ifname_id);
ifname_id++;
result=call_usermodehelper(cmdPath,cmdArgv,cmdEnvp, UMH_WAIT_EXEC);
msleep(100);
result=call_usermodehelper(cmdPath,cmdArgv2,cmdEnvp, UMH_WAIT_EXEC);
//msleep(100);
//result=call_usermodehelper(cmdPath,cmdArgv3,cmdEnvp, UMH_WAIT_EXEC);
#else
volatile int result=0;
char cmdPath[]="/bin/bash";
char* cmdArgv[]={cmdPath, "-c", "/usr/bin/start_dhcpd > /tmp/log", NULL};
char* cmdEnvp[]={"HOME=/", "PATH=/sbin:/bin:/usr/bin:/usr/sbin", NULL};
result=call_usermodehelper(cmdPath,cmdArgv,cmdEnvp, UMH_WAIT_EXEC);
#endif
bes_devel( "testDriver1 _init exec! The result of call_usermodehelper is %d\n",result);
bes_devel( "testDriver1 _init exec! The process is \"%s\",pid is %d\n",current->comm,current->pid);
return 0;
}
static int bes2600_start_ap(struct bes2600_vif *priv)
{
int ret;
#ifndef HIDDEN_SSID
const u8 *ssidie;
struct sk_buff *skb;
int offset;
#endif
struct ieee80211_bss_conf *conf = &priv->vif->bss_conf;
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
struct wsm_start start = {
.mode = priv->vif->p2p ?
WSM_START_MODE_P2P_GO : WSM_START_MODE_AP,
/* TODO:COMBO:Change once mac80211 support is available */
.band = (hw_priv->channel->band == NL80211_BAND_5GHZ) ?
WSM_PHY_BAND_5G : WSM_PHY_BAND_2_4G,
.channelNumber = hw_priv->channel->hw_value,
.beaconInterval = conf->beacon_int,
.DTIMPeriod = conf->dtim_period,
.preambleType = conf->use_short_preamble ?
WSM_JOIN_PREAMBLE_SHORT :
WSM_JOIN_PREAMBLE_LONG,
.probeDelay = 100,
.basicRateSet = bes2600_rate_mask_to_wsm(hw_priv,
conf->basic_rates),
#ifdef P2P_MULTIVIF
.CTWindow = priv->if_id ? 0xFFFFFFFF : 0, /* it makes addr1's byte4 ^0x80 in firmware,
which matches with driver's addr2 */
#endif
};
struct wsm_switch_channel channel = {
.channelMode = (cfg80211_get_chandef_type(&conf->chanreq.oper)) << 4,
.channelSwitchCount = 0,
.newChannelNumber = hw_priv->channel->hw_value,
};
struct wsm_inactivity inactivity = {
.min_inactivity = 9,
.max_inactivity = 1,
};
if (priv->vif->p2p) {
start_dhcpd();
hw_priv->ht_info.channel_type = cfg80211_get_chandef_type(&conf->chanreq.oper);
}
if (priv->if_id)
start.mode |= WSM_FLAG_MAC_INSTANCE_1;
else
start.mode &= ~WSM_FLAG_MAC_INSTANCE_1;
hw_priv->connected_sta_cnt = 0;
#ifndef HIDDEN_SSID
/* Get SSID */
skb = ieee80211_beacon_get(priv->hw, priv->vif, 0);
if (WARN_ON(!skb))
return -ENOMEM;
offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
ssidie = cfg80211_find_ie(WLAN_EID_SSID, skb->data + offset,
skb->len - offset);
memset(priv->ssid, 0, sizeof(priv->ssid));
if (ssidie) {
priv->ssid_length = ssidie[1];
if (WARN_ON(priv->ssid_length > sizeof(priv->ssid)))
priv->ssid_length = sizeof(priv->ssid);
memcpy(priv->ssid, &ssidie[2], priv->ssid_length);
} else {
priv->ssid_length = 0;
}
dev_kfree_skb(skb);
#endif
priv->beacon_int = conf->beacon_int;
priv->join_dtim_period = conf->dtim_period;
start.ssidLength = priv->ssid_length;
memcpy(&start.ssid[0], priv->ssid, start.ssidLength);
memset(&priv->link_id_db, 0, sizeof(priv->link_id_db));
bes_devel( "[AP] ch: %d(%d), bcn: %d(%d), "
"brt: 0x%.8X, ssid: %.*s.\n",
start.channelNumber, start.band,
start.beaconInterval, start.DTIMPeriod,
start.basicRateSet,
start.ssidLength, start.ssid);
ret = WARN_ON(wsm_start(hw_priv, &start, priv->if_id));
if (!ret)
ret = wsm_switch_channel(hw_priv, &channel, priv->if_id);
if (!ret && priv->vif->p2p) {
bes_devel("[AP] Setting p2p powersave "
"configuration.\n");
WARN_ON(wsm_set_p2p_ps_modeinfo(hw_priv,
&priv->p2p_ps_modeinfo, priv->if_id));
#if defined(CONFIG_BES2600_USE_STE_EXTENSIONS)
bes2600_notify_noa(priv, BES2600_NOA_NOTIFICATION_DELAY);
#endif
}
/*Set Inactivity time*/
if (!(strstr(&start.ssid[0], "6.1.12"))) {
wsm_set_inactivity(hw_priv, &inactivity, priv->if_id);
}
if (!ret) {
#ifndef AP_AGGREGATE_FW_FIX
WARN_ON(wsm_set_block_ack_policy(hw_priv,
BES2600_TX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
BES2600_RX_BLOCK_ACK_DISABLED_FOR_ALL_TID, priv->if_id));
#else
if ((priv->if_id ==2) && !hw_priv->is_go_thru_go_neg)
WARN_ON(wsm_set_block_ack_policy(hw_priv,
BES2600_TX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
BES2600_RX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
priv->if_id));
else
WARN_ON(wsm_set_block_ack_policy(hw_priv,
BES2600_TX_BLOCK_ACK_ENABLED_FOR_ALL_TID,
BES2600_RX_BLOCK_ACK_ENABLED_FOR_ALL_TID,
priv->if_id));
#endif
priv->join_status = BES2600_JOIN_STATUS_AP;
bes2600_pwr_set_busy_event(hw_priv, BES_PWR_LOCK_ON_AP);
/* bes2600_update_filtering(priv); */
}
hw_priv->vif0_throttle = CW12XX_HOST_VIF0_11BG_THROTTLE;
hw_priv->vif1_throttle = CW12XX_HOST_VIF1_11BG_THROTTLE;
bes_devel( "AP/GO mode BG THROTTLE %d\n", hw_priv->vif0_throttle);
return ret;
}
static int bes2600_update_beaconing(struct bes2600_vif *priv)
{
struct ieee80211_bss_conf *conf = &priv->vif->bss_conf;
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
struct wsm_reset reset = {
.link_id = 0,
.reset_statistics = true,
};
if (priv->mode == NL80211_IFTYPE_AP) {
/* TODO: check if changed channel, band */
if (priv->join_status != BES2600_JOIN_STATUS_AP ||
priv->beacon_int != conf->beacon_int) {
bes_devel("ap restarting\n");
wsm_lock_tx(hw_priv);
if (priv->join_status != BES2600_JOIN_STATUS_PASSIVE)
WARN_ON(wsm_reset(hw_priv, &reset,
priv->if_id));
priv->join_status = BES2600_JOIN_STATUS_PASSIVE;
WARN_ON(bes2600_start_ap(priv));
wsm_unlock_tx(hw_priv);
} else
bes_devel("ap started join_status: %d\n",
priv->join_status);
}
return 0;
}
int bes2600_find_link_id(struct bes2600_vif *priv, const u8 *mac)
{
int i, ret = 0;
spin_lock_bh(&priv->ps_state_lock);
for (i = 0; i < CW1250_MAX_STA_IN_AP_MODE; ++i) {
if (!memcmp(mac, priv->link_id_db[i].mac, ETH_ALEN) &&
priv->link_id_db[i].status) {
priv->link_id_db[i].timestamp = jiffies;
ret = i + 1;
break;
}
}
spin_unlock_bh(&priv->ps_state_lock);
return ret;
}
int bes2600_alloc_link_id(struct bes2600_vif *priv, const u8 *mac)
{
int i, ret = 0;
unsigned long max_inactivity = 0;
unsigned long now = jiffies;
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
spin_lock_bh(&priv->ps_state_lock);
for (i = 0; i < CW1250_MAX_STA_IN_AP_MODE; ++i) {
if (!priv->link_id_db[i].status) {
ret = i + 1;
break;
} else if (priv->link_id_db[i].status != BES2600_LINK_HARD &&
!hw_priv->tx_queue_stats.link_map_cache[i + 1]) {
unsigned long inactivity =
now - priv->link_id_db[i].timestamp;
if (inactivity < max_inactivity)
continue;
max_inactivity = inactivity;
ret = i + 1;
}
}
if (ret) {
struct bes2600_link_entry *entry = &priv->link_id_db[ret - 1];
bes_devel("[AP] STA added, link_id: %d\n",
ret);
entry->status = BES2600_LINK_RESERVE;
memcpy(&entry->mac, mac, ETH_ALEN);
memset(&entry->buffered, 0, BES2600_MAX_TID);
skb_queue_head_init(&entry->rx_queue);
wsm_lock_tx_async(hw_priv);
if (queue_work(hw_priv->workqueue, &priv->link_id_work) <= 0)
wsm_unlock_tx(hw_priv);
} else {
wiphy_info(priv->hw->wiphy,
"[AP] Early: no more link IDs available.\n");
}
spin_unlock_bh(&priv->ps_state_lock);
return ret;
}
void bes2600_link_id_work(struct work_struct *work)
{
struct bes2600_vif *priv =
container_of(work, struct bes2600_vif, link_id_work);
struct bes2600_common *hw_priv = priv->hw_priv;
wsm_flush_tx(hw_priv);
bes2600_link_id_gc_work(&priv->link_id_gc_work.work);
wsm_unlock_tx(hw_priv);
}
void bes2600_link_id_gc_work(struct work_struct *work)
{
struct bes2600_vif *priv =
container_of(work, struct bes2600_vif, link_id_gc_work.work);
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
struct wsm_map_link map_link = {
.link_id = 0,
};
unsigned long now = jiffies;
unsigned long next_gc = -1;
long ttl;
bool need_reset;
u32 mask;
int i;
if (priv->join_status != BES2600_JOIN_STATUS_AP)
return;
wsm_lock_tx(hw_priv);
spin_lock_bh(&priv->ps_state_lock);
for (i = 0; i < CW1250_MAX_STA_IN_AP_MODE; ++i) {
need_reset = false;
mask = BIT(i + 1);
if (priv->link_id_db[i].status == BES2600_LINK_RESERVE ||
(priv->link_id_db[i].status == BES2600_LINK_HARD &&
!(priv->link_id_map & mask))) {
if (priv->link_id_map & mask) {
priv->sta_asleep_mask &= ~mask;
priv->pspoll_mask &= ~mask;
need_reset = true;
}
priv->link_id_map |= mask;
if (priv->link_id_db[i].status != BES2600_LINK_HARD)
priv->link_id_db[i].status = BES2600_LINK_SOFT;
memcpy(map_link.mac_addr, priv->link_id_db[i].mac,
ETH_ALEN);
spin_unlock_bh(&priv->ps_state_lock);
if (need_reset) {
WARN_ON(cw12xx_unmap_link(priv, i + 1));
}
map_link.link_id = i + 1;
WARN_ON(wsm_map_link(hw_priv, &map_link, priv->if_id));
next_gc = min(next_gc, BES2600_LINK_ID_GC_TIMEOUT);
spin_lock_bh(&priv->ps_state_lock);
} else if (priv->link_id_db[i].status == BES2600_LINK_SOFT) {
ttl = priv->link_id_db[i].timestamp - now +
BES2600_LINK_ID_GC_TIMEOUT;
if (ttl <= 0) {
need_reset = true;
priv->link_id_db[i].status = BES2600_LINK_OFF;
priv->link_id_map &= ~mask;
priv->sta_asleep_mask &= ~mask;
priv->pspoll_mask &= ~mask;
memset(map_link.mac_addr, 0, ETH_ALEN);
spin_unlock_bh(&priv->ps_state_lock);
WARN_ON(cw12xx_unmap_link(priv, i + 1));
spin_lock_bh(&priv->ps_state_lock);
} else {
next_gc = min_t(unsigned long, next_gc, ttl);
}
#if defined(CONFIG_BES2600_USE_STE_EXTENSIONS)
} else if (priv->link_id_db[i].status == BES2600_LINK_RESET ||
priv->link_id_db[i].status ==
BES2600_LINK_RESET_REMAP) {
int status = priv->link_id_db[i].status;
priv->link_id_db[i].status = BES2600_LINK_OFF;
priv->link_id_db[i].timestamp = now;
spin_unlock_bh(&priv->ps_state_lock);
WARN_ON(cw12xx_unmap_link(priv, i + 1));
if (status == BES2600_LINK_RESET_REMAP) {
memcpy(map_link.mac_addr,
priv->link_id_db[i].mac,
ETH_ALEN);
map_link.link_id = i + 1;
WARN_ON(wsm_map_link(hw_priv, &map_link,
priv->if_id));
next_gc = min(next_gc,
BES2600_LINK_ID_GC_TIMEOUT);
priv->link_id_db[i].status =
priv->link_id_db[i].prev_status;
}
spin_lock_bh(&priv->ps_state_lock);
#endif
}
if (need_reset) {
skb_queue_purge(&priv->link_id_db[i].rx_queue);
bes_devel("[AP] STA removed, link_id: %d\n",
i + 1);
}
}
spin_unlock_bh(&priv->ps_state_lock);
if (next_gc != -1)
queue_delayed_work(hw_priv->workqueue,
&priv->link_id_gc_work, next_gc);
wsm_unlock_tx(hw_priv);
}
#if defined(CONFIG_BES2600_USE_STE_EXTENSIONS)
void bes2600_notify_noa(struct bes2600_vif *priv, int delay)
{
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
struct cfg80211_p2p_ps p2p_ps = {0};
struct wsm_p2p_ps_modeinfo *modeinfo;
modeinfo = &priv->p2p_ps_modeinfo;
bes_devel("[AP]: %s called\n", __func__);
if (priv->join_status != BES2600_JOIN_STATUS_AP)
return;
if (delay)
msleep(delay);
if (!WARN_ON(wsm_get_p2p_ps_modeinfo(hw_priv, modeinfo))) {
#if defined(CONFIG_BES2600_STA_DEBUG)
print_hex_dump_bytes("[AP] p2p_get_ps_modeinfo: ",
DUMP_PREFIX_NONE,
(u8 *)modeinfo,
sizeof(*modeinfo));
#endif /* CONFIG_BES2600_STA_DEBUG */
p2p_ps.opp_ps = !!(modeinfo->oppPsCTWindow & BIT(7));
p2p_ps.ctwindow = modeinfo->oppPsCTWindow & (~BIT(7));
p2p_ps.count = modeinfo->count;
p2p_ps.start = __le32_to_cpu(modeinfo->startTime);
p2p_ps.duration = __le32_to_cpu(modeinfo->duration);
p2p_ps.interval = __le32_to_cpu(modeinfo->interval);
p2p_ps.index = modeinfo->reserved;
ieee80211_p2p_noa_notify(priv->vif,
&p2p_ps,
GFP_KERNEL);
}
}
#endif
int cw12xx_unmap_link(struct bes2600_vif *priv, int link_id)
{
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
int ret = 0;
if (is_hardware_cw1250(hw_priv) || is_hardware_cw1260(hw_priv)) {
struct wsm_map_link maplink = {
.link_id = link_id,
.unmap = true,
};
if (link_id)
memcpy(&maplink.mac_addr[0],
priv->link_id_db[link_id - 1].mac, ETH_ALEN);
return wsm_map_link(hw_priv, &maplink, priv->if_id);
} else {
struct wsm_reset reset = {
.link_id = link_id,
.reset_statistics = true,
};
ret = wsm_reset(hw_priv, &reset, priv->if_id);
return ret;
}
}
#ifdef AP_HT_CAP_UPDATE
void bes2600_ht_info_update_work(struct work_struct *work)
{
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
u8 *ht_info, *ies;
u32 ies_len;
struct bes2600_vif *priv =
container_of(work, struct bes2600_vif, ht_info_update_work);
struct bes2600_common *hw_priv = cw12xx_vifpriv_to_hwpriv(priv);
struct wsm_update_ie update_ie = {
.what = WSM_UPDATE_IE_BEACON,
.count = 1,
};
skb = ieee80211_beacon_get(priv->hw, priv->vif, 0);
if (WARN_ON(!skb))
return;
mgmt = (void *)skb->data;
ies = mgmt->u.beacon.variable;
ies_len = skb->len - (u32)(ies - (u8 *)mgmt);
ht_info= (u8 *)cfg80211_find_ie( WLAN_EID_HT_OPERATION, ies, ies_len);
if(ht_info && priv->ht_info == HT_INFO_MASK) {
ht_info[HT_INFO_OFFSET] |= 0x11;
update_ie.ies = ht_info;
update_ie.length = HT_INFO_IE_LEN;
WARN_ON(wsm_update_ie(hw_priv, &update_ie, priv->if_id));
}
dev_kfree_skb(skb);
}
#endif
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