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linuxOS_AP06/external/rkwifibt/drivers/rk960/ap.c
hyx f2ecbedc91 v1.1.1
2025-06-03 12:28:32 +08:00

2211 lines
64 KiB
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/*
* Copyright (c) 2022, Fuzhou Rockchip Electronics Co., Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/etherdevice.h>
#include "rk960.h"
#include "sta.h"
#include "ap.h"
#include "bh.h"
#include "net/mac80211.h"
#include "debug.h"
#ifdef AP_HT_CAP_UPDATE
#define HT_INFO_OFFSET 4
#define HT_INFO_MASK 0x0011
#define HT_INFO_IE_LEN 22
#endif
#define RK960_LINK_ID_GC_TIMEOUT ((unsigned long)(10 * HZ))
#define RK960_LINK_ID_GC_MODIFY
#define RK960_ENABLE_ARP_FILTER_OFFLOAD 3
#define RK960_ENABLE_ARP_FILTER_FILTER (1<<0)
#define RK960_ENABLE_ARP_FILTER_REPLY (1<<1)
/*For Samsung, it is defined as 4*/
#define RK960_KEEP_ALIVE_PERIOD (4)
#ifndef ERP_INFO_BYTE_OFFSET
#define ERP_INFO_BYTE_OFFSET 2
#endif
#ifdef IPV6_FILTERING
#define RK960_ENABLE_NDP_FILTER_OFFLOAD 3
#endif /*IPV6_FILTERING */
static int rk960_upload_beacon(struct rk960_vif *priv);
#ifdef PROBE_RESP_EXTRA_IE
static int rk960_upload_proberesp(struct rk960_vif *priv);
#endif
static int rk960_upload_pspoll(struct rk960_vif *priv);
static int rk960_upload_null(struct rk960_vif *priv);
static int rk960_upload_qosnull(struct rk960_vif *priv);
static int rk960_start_ap(struct rk960_vif *priv);
/*
static int rk960_enable_beaconing(struct rk960_vif *priv,
bool enable);
*/
static void __rk960_sta_notify(struct rk960_vif *priv,
enum sta_notify_cmd notify_cmd, int link_id);
/* ******************************************************************** */
/* AP API */
int rk960_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rk960_sta_priv *sta_priv =
(struct rk960_sta_priv *)&sta->drv_priv;
struct rk960_vif *priv = rk960_get_vif_from_ieee80211(vif);
struct rk960_link_entry *entry;
struct sk_buff *skb;
struct rk960_common *hw_priv = hw->priv;
#ifdef P2P_MULTIVIF
WARN_ON(priv->if_id == RK960_GENERIC_IF_ID);
#endif
if (priv->mode != NL80211_IFTYPE_AP)
return 0;
sta_priv->priv = priv;
sta_priv->link_id = rk960_find_link_id(priv, sta->addr);
if (WARN_ON(!sta_priv->link_id)) {
/* Impossible error */
RK960_INFO_AP("[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 = RK960_LINK_HARD;
RK960_DEBUG_AP("LDB: sta add: link_id %d status %d %pM\n",
sta_priv->link_id, entry->status, entry->mac);
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,
RK960_TX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
RK960_RX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
priv->if_id));
wsm_unlock_tx(hw_priv);
}
#endif
return 0;
}
int rk960_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
{
struct rk960_common *hw_priv = hw->priv;
struct rk960_sta_priv *sta_priv =
(struct rk960_sta_priv *)&sta->drv_priv;
struct rk960_vif *priv = rk960_get_vif_from_ieee80211(vif);
struct rk960_link_entry *entry;
#ifdef P2P_MULTIVIF
WARN_ON(priv->if_id == RK960_GENERIC_IF_ID);
#endif
if (priv->mode != NL80211_IFTYPE_AP || !sta_priv->link_id)
return 0;
RK960_DEBUG_AP("%s: link_id %d\n", __func__, sta_priv->link_id);
/* wait deauth to send out, if peer enter ps, deauth will delayed to send */
if (priv->deauthAll) {
priv->deauthAll = false;
if (!__rk960_flush(hw_priv, false, priv->if_id)) {
wsm_unlock_tx(hw_priv);
}
}
entry = &priv->link_id_db[sta_priv->link_id - 1];
spin_lock_bh(&priv->ps_state_lock);
#ifdef RK960_LINK_ID_GC_MODIFY
entry->status = RK960_LINK_SOFT;
entry->timestamp = jiffies - RK960_LINK_ID_GC_TIMEOUT
- msecs_to_jiffies(10);
#else
entry->status = RK960_LINK_RESERVE;
entry->timestamp = jiffies;
#endif
RK960_DEBUG_AP("LDB: sta remove: link_id %d status %d %pM\n",
sta_priv->link_id, entry->status, entry->mac);
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,
RK960_TX_BLOCK_ACK_ENABLED_FOR_ALL_TID,
RK960_RX_BLOCK_ACK_ENABLED_FOR_ALL_TID,
priv->if_id));
wsm_unlock_tx(hw_priv);
}
}
#endif
return 0;
}
static void __rk960_sta_notify(struct rk960_vif *priv,
enum sta_notify_cmd notify_cmd, int link_id)
{
struct rk960_common *hw_priv = rk960_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) {
RK960_DEBUG_AP("%s: multicast_start_work\n",
__func__);
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) {
RK960_DEBUG_AP("%s: multicast_stop_work\n",
__func__);
queue_work(hw_priv->workqueue,
&priv->multicast_stop_work);
}
rk960_bh_wakeup(hw_priv);
}
break;
}
RK960_DEBUG_AP("%s: prev %x notify_cmd %d buffered_multicasts %d"
" tx_multicast %d sta_asleep_mask %x link_id %d\n",
__func__, prev, notify_cmd, priv->buffered_multicasts,
priv->tx_multicast, priv->sta_asleep_mask, link_id);
}
void rk960_sta_notify(struct ieee80211_hw *dev,
struct ieee80211_vif *vif,
enum sta_notify_cmd notify_cmd, struct ieee80211_sta *sta)
{
struct rk960_vif *priv = rk960_get_vif_from_ieee80211(vif);
struct rk960_sta_priv *sta_priv =
(struct rk960_sta_priv *)&sta->drv_priv;
#ifdef P2P_MULTIVIF
WARN_ON(priv->if_id == RK960_GENERIC_IF_ID);
#endif
spin_lock_bh(&priv->ps_state_lock);
__rk960_sta_notify(priv, notify_cmd, sta_priv->link_id);
spin_unlock_bh(&priv->ps_state_lock);
}
static void rk960_ps_notify(struct rk960_vif *priv, int link_id, bool ps)
{
if (link_id > RK960_MAX_STA_IN_AP_MODE)
return;
RK960_DEBUG_TXRX("%s for LinkId: %d. STAs asleep: %.8X\n",
ps ? "Stop" : "Start", link_id, priv->sta_asleep_mask);
/* TODO:COMBO: __rk960_sta_notify changed. */
__rk960_sta_notify(priv,
ps ? STA_NOTIFY_SLEEP : STA_NOTIFY_AWAKE, link_id);
}
static int rk960_set_tim_impl(struct rk960_vif *priv, bool aid0_bit_set)
{
struct rk960_common *hw_priv = rk960_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;
#if 1
RK960_DEBUG_TXRX("[AP] %s mcast: %s.\n",
__func__, aid0_bit_set ? "ena" : "dis");
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
skb = ieee80211_beacon_get_tim(priv->hw, priv->vif,
&tim_offset, &tim_length, 0);
#else
skb = ieee80211_beacon_get_tim(priv->hw, priv->vif,
&tim_offset, &tim_length);
#endif
if (!skb) {
if (priv->tim_length >= 6 && aid0_bit_set) {
RK960_DEBUG_AP("use saved tim_data\n");
priv->tim_data[2] = 0;
/* Set/reset aid0 bit */
if (aid0_bit_set)
priv->tim_data[4] |= 1;
else
priv->tim_data[4] &= ~1;
update_ie.ies = &priv->tim_data[0];
update_ie.length = priv->tim_length;
WARN_ON(wsm_update_ie
(hw_priv, &update_ie, priv->if_id));
return 0;
}
if (!__rk960_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;
RK960_DEBUG_AP("%s: tim %x %x\n", __func__,
skb->data[tim_offset + 4],
skb->data[tim_offset + 5]);
}
update_ie.ies = &skb->data[tim_offset];
update_ie.length = tim_length;
if (update_ie.length <= 16) {
memcpy(priv->tim_data, update_ie.ies, update_ie.length);
priv->tim_length = update_ie.length;
} else {
priv->tim_length = 0;
}
WARN_ON(wsm_update_ie(hw_priv, &update_ie, priv->if_id));
dev_kfree_skb(skb);
return 0;
}
void rk960_set_tim_work(struct work_struct *work)
{
struct rk960_vif *priv =
container_of(work, struct rk960_vif, set_tim_work);
(void)rk960_set_tim_impl(priv, priv->aid0_bit_set);
}
int rk960_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta, bool set)
{
struct rk960_sta_priv *sta_priv =
(struct rk960_sta_priv *)&sta->drv_priv;
struct rk960_vif *priv = NULL;
if (sta_priv)
priv = sta_priv->priv;
else
return 0;
if (!priv)
return 0;
#ifdef P2P_MULTIVIF
WARN_ON(priv->if_id == RK960_GENERIC_IF_ID);
#endif
WARN_ON(priv->mode != NL80211_IFTYPE_AP);
queue_work(priv->hw_priv->workqueue, &priv->set_tim_work);
return 0;
}
void rk960_set_cts_work(struct work_struct *work)
{
struct rk960_vif *priv =
container_of(work, struct rk960_vif, set_cts_work.work);
struct rk960_common *hw_priv = rk960_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;
mutex_lock(&hw_priv->conf_mutex);
erp_info = priv->erp_info;
mutex_unlock(&hw_priv->conf_mutex);
use_cts_prot =
erp_info & WLAN_ERP_USE_PROTECTION ? __cpu_to_le32(1) : 0;
erp_ie[ERP_INFO_BYTE_OFFSET] = erp_info;
RK960_DEBUG_AP("[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 rk960_set_btcoexinfo(struct rk960_vif *priv)
{
struct wsm_override_internal_txrate arg;
int ret = 0;
if (priv->mode == NL80211_IFTYPE_STATION) {
/* Plumb PSPOLL and NULL template */
WARN_ON(rk960_upload_pspoll(priv));
WARN_ON(rk960_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) {
RK960_DEBUG_AP("[STA] STA has ERP rates\n");
/* G or BG mode */
arg.internalTxRate =
(__ffs(priv->bss_params.operationalRateSet & ~0xF));
} else {
RK960_DEBUG_AP("[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));
}
RK960_DEBUG_AP("[STA] BTCOEX_INFO"
"MODE %d, internalTxRate : %x, nonErpInternalTxRate: %x\n",
priv->mode,
arg.internalTxRate, arg.nonErpInternalTxRate);
ret = WARN_ON(wsm_write_mib(rk960_vifpriv_to_hwpriv(priv),
WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE,
&arg, sizeof(arg), priv->if_id));
return ret;
}
void rk960_bss_info_changed(struct ieee80211_hw *dev,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
u64 changed)
#else
u32 changed)
#endif
{
struct rk960_common *hw_priv = dev->priv;
struct rk960_vif *priv = rk960_get_vif_from_ieee80211(vif);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
struct ieee80211_conf *conf = &dev->conf;
int dynamic_ps_timeout = conf->dynamic_ps_timeout;
#else
int dynamic_ps_timeout = info->dynamic_ps_timeout;
#endif
#ifdef IBSS_SUPPORT
bool do_ibss_join = false;
#endif
int arp_addr_cnt;
int assoc;
int ssid_len;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
arp_addr_cnt = vif->cfg.arp_addr_cnt;
assoc = vif->cfg.assoc;
ssid_len = vif->cfg.ssid_len;
#else
arp_addr_cnt = info->arp_addr_cnt;
assoc = info->assoc;
ssid_len = info->ssid_len;
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
RK960_DEBUG_AP("%s: changed %llx\n", __func__, changed);
#else
RK960_DEBUG_AP("%s: changed %x\n", __func__, changed);
#endif
#ifdef P2P_MULTIVIF
if (priv->if_id == RK960_GENERIC_IF_ID)
return;
#endif
mutex_lock(&hw_priv->conf_mutex);
if (changed & BSS_CHANGED_BSSID) {
#ifdef CONFIG_RK960_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_RK960_TESTMODE */
memcpy(priv->bssid, info->bssid, ETH_ALEN);
rk960_setup_mac_pvif(priv);
#ifdef IBSS_SUPPORT
RK960_DEBUG_AP("BSS_CHANGED_BSSID ibss_joined %d bssid = %pM\n",
info->ibss_joined, info->bssid);
if (info->
ibss_joined /* && !is_zero_ether_addr(info->bssid) */ )
do_ibss_join = true;
#endif
}
/* TODO: BSS_CHANGED_IBSS */
if (changed & BSS_CHANGED_ARP_FILTER) {
struct wsm_arp_ipv4_filter filter = { 0 };
int i;
RK960_DEBUG_AP("[STA] BSS_CHANGED_ARP_FILTER "
"cnt: %d\n", arp_addr_cnt);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0))
if (info->arp_filter_enabled) {
if (vif->type == NL80211_IFTYPE_STATION)
filter.enable =
(u32) RK960_ENABLE_ARP_FILTER_OFFLOAD;
else if (priv->join_status == RK960_JOIN_STATUS_AP)
filter.enable = (u32) (1 << 1);
else
filter.enable = 0;
}
#endif
/* Currently only one IP address is supported by firmware.
* In case of more IPs arp filtering will be disabled. */
if (arp_addr_cnt > 0 &&
arp_addr_cnt <= WSM_MAX_ARP_IP_ADDRTABLE_ENTRIES) {
for (i = 0; i < arp_addr_cnt; i++) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
filter.ipv4Address[i] = vif->cfg.arp_addr_list[i];
#else
filter.ipv4Address[i] = info->arp_addr_list[i];
#endif
RK960_DEBUG_AP("[STA] addr[%d]: 0x%X\n",
i, filter.ipv4Address[i]);
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
if (vif->type == NL80211_IFTYPE_STATION && assoc)
filter.enable =
(u32) RK960_ENABLE_ARP_FILTER_OFFLOAD;
//filter.enable = (u32)RK960_ENABLE_ARP_FILTER_FILTER;
/*else if (priv->join_status == RK960_JOIN_STATUS_AP)
filter.enable = (u32)(1<<1); */
else
filter.enable = 0;
#endif
} else
filter.enable = 0;
RK960_DEBUG_AP("[STA] if_id %d arp ip filter enable: %d\n",
priv->if_id, __le32_to_cpu(filter.enable));
if (filter.enable)
rk960_set_arpreply(dev, vif);
priv->filter4.enable = filter.enable;
if (filter.enable)
memcpy(priv->filter4.ipv4Address,
filter.ipv4Address, 4);
if (wsm_set_arp_ipv4_filter(hw_priv, &filter, priv->if_id))
WARN_ON(1);
if (filter.enable &&
(priv->join_status == RK960_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 (dynamic_ps_timeout >= 0x80)
priv->powersave_mode.fastPsmIdlePeriod = 0xFF;
else
priv->powersave_mode.fastPsmIdlePeriod =
dynamic_ps_timeout << 1;
if (priv->setbssparams_done) {
struct wsm_set_pm pm = priv->powersave_mode;
int ret = 0;
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_ACTIVE)
|| (priv->powersave_mode.pmMode ==
WSM_PSM_PS)))
|| !priv->power_set_true)
priv->powersave_mode.pmMode =
WSM_PSM_FAST_PS;
ret = rk960_set_pm(priv, &priv->powersave_mode);
if (ret)
priv->powersave_mode = pm;
} else
priv->powersave_mode.pmMode = WSM_PSM_FAST_PS;
priv->power_set_true = 0;
priv->user_power_set_true = 0;
}
}
#ifdef IPV6_FILTERING
if (changed & BSS_CHANGED_NDP_FILTER) {
struct wsm_ndp_ipv6_filter filter = { 0 };
int i;
u16 *ipv6addr = NULL;
RK960_DEBUG_AP("[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) RK960_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]);
RK960_DEBUG_AP
("[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]);
RK960_DEBUG_AP
("[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)));
}
}
RK960_DEBUG_AP("[STA] ndp ip filter enable: %d\n",
__le32_to_cpu(filter.enable));
if (filter.enable)
rk960_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 == RK960_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 = rk960_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) {
#ifdef RK960_CHANNEL_CONFLICT_OPT
int if_id2;
struct rk960_vif *priv2;
#endif
RK960_DEBUG_AP("BSS_CHANGED_BEACON\n");
#ifdef HIDDEN_SSID
if (priv->join_status != RK960_JOIN_STATUS_AP) {
priv->hidden_ssid = info->hidden_ssid;
priv->ssid_length = ssid_len;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
memcpy(priv->ssid, vif->cfg.ssid, ssid_len);
#else
memcpy(priv->ssid, info->ssid, ssid_len);
#endif
} else
RK960_DEBUG_AP("priv->join_status=%d\n",
priv->join_status);
#endif
#ifdef RK960_CHANNEL_CONFLICT_OPT
/* process channel conflict */
if (priv->join_status != RK960_JOIN_STATUS_AP)
priv->current_channel = hw_priv->channel->hw_value;
if (priv->if_id)
if_id2 = 0;
else
if_id2 = 1;
if (hw_priv->if_id_slot & BIT(if_id2)) {
priv2 =
rk960_get_vif_from_ieee80211(hw_priv->
vif_list[if_id2]);
if (priv2 && priv2->join_status == RK960_JOIN_STATUS_STA
&& priv2->current_channel != priv->current_channel
&& !priv->vif->p2p) {
RK960_INFO_STA
("%s: channel conflit STA ch%d AP ch%d\n",
__func__, priv2->current_channel,
priv->current_channel);
priv->current_channel = priv2->current_channel;
}
}
#endif
WARN_ON(rk960_upload_beacon(priv));
WARN_ON(rk960_update_beaconing(priv, 0));
}
#ifdef IBSS_SUPPORT
if (changed & BSS_CHANGED_IBSS) {
priv->beacon_int = info->beacon_int;
rk960_upload_beacon(priv);
WARN_ON(rk960_update_beaconing(priv, 0));
}
#endif
if (changed & BSS_CHANGED_BEACON_ENABLED) {
RK960_DEBUG_AP("BSS_CHANGED_BEACON_ENABLED dummy\n");
priv->enable_beacon = info->enable_beacon;
}
if (changed & BSS_CHANGED_BEACON_INT) {
RK960_DEBUG_AP("CHANGED_BEACON_INT join_status = %d\n",
priv->join_status);
/* Restart AP only when connected */
if (priv->join_status == RK960_JOIN_STATUS_AP) {
WARN_ON(rk960_update_beaconing(priv, 0));
#ifdef IBSS_SUPPORT
} else if (info->ibss_joined) {
do_ibss_join = true;
#endif
}
}
#ifdef IBSS_SUPPORT
if (do_ibss_join) {
wsm_lock_tx(hw_priv);
rk960_ibss_join_work(priv);
}
/*if (changed & BSS_CHANGED_IBSS) {
if (!assoc) {
wsm_lock_tx(hw_priv);
rk960_ibss_join_work(priv);
}
} */
#endif
if (changed & BSS_CHANGED_ASSOC) {
wsm_lock_tx(hw_priv);
priv->wep_default_key_id = -1;
wsm_unlock_tx(hw_priv);
if (!assoc /* && !info->ibss_joined */ ) {
priv->cqm_link_loss_count = 40;
priv->cqm_beacon_loss_count = 20;
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 rk960_vif *tmp_priv;
RK960_DEBUG_AP("BSS_CHANGED_ASSOC assoc %d\n", assoc);
if (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 */
mutex_unlock(&hw_priv->conf_mutex);
cancel_delayed_work_sync(&priv->join_timeout);
mutex_lock(&hw_priv->conf_mutex);
rcu_read_lock();
if (info->bssid)
sta = ieee80211_find_sta(vif, info->bssid);
if (sta) {
/* TODO:COMBO:Change this once
* mac80211 changes are available */
BUG_ON(!hw_priv->channel);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
hw_priv->ht_info.ht_cap = sta->deflink.ht_cap;
#else
hw_priv->ht_info.ht_cap = sta->ht_cap;
#endif
priv->bss_params.operationalRateSet =
__cpu_to_le32(rk960_rate_mask_to_wsm
(hw_priv,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
sta->deflink.supp_rates[hw_priv->
#else
sta->supp_rates[hw_priv->
#endif
channel->
band]));
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
hw_priv->ht_info.channel_type =
cfg80211_get_chandef_type(&dev->conf.
chandef);
#else
hw_priv->ht_info.channel_type =
info->channel_type;
#endif
hw_priv->ht_info.operation_mode =
info->ht_operation_mode;
} else {
memset(&hw_priv->ht_info, 0,
sizeof(hw_priv->ht_info));
priv->bss_params.operationalRateSet = -1;
}
rcu_read_unlock();
//priv->htcap = (sta && rk960_is_ht(&hw_priv->ht_info));
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
priv->htcap = (sta && sta->deflink.ht_cap.ht_supported);
#else
priv->htcap = (sta && sta->ht_cap.ht_supported);
#endif
//rk960_for_each_vif(hw_priv, tmp_priv, i) {
for (i = 0; i < RK960_MAX_VIFS; i++) {
tmp_priv = hw_priv->vif_list[i] ?
rk960_get_vif_from_ieee80211(hw_priv->
vif_list[i]) :
NULL;
#ifdef P2P_MULTIVIF
if ((i == (RK960_MAX_VIFS - 1)) || !tmp_priv)
#else
if (!tmp_priv)
#endif
continue;
if (tmp_priv->join_status >=
RK960_JOIN_STATUS_STA)
is_combo++;
}
if (is_combo > 1) {
hw_priv->vif0_throttle =
RK960_HOST_VIF0_11BG_THROTTLE;
hw_priv->vif1_throttle =
RK960_HOST_VIF1_11BG_THROTTLE;
RK960_DEBUG_AP("ASSOC is_combo %d\n",
hw_priv->vif0_throttle);
} else if ((priv->join_status == RK960_JOIN_STATUS_STA)
&& priv->htcap) {
hw_priv->vif0_throttle =
RK960_HOST_VIF0_11N_THROTTLE;
hw_priv->vif1_throttle =
RK960_HOST_VIF1_11N_THROTTLE;
RK960_DEBUG_AP("ASSOC HTCAP 11N %d\n",
hw_priv->vif0_throttle);
} else {
hw_priv->vif0_throttle =
RK960_HOST_VIF0_11BG_THROTTLE;
hw_priv->vif1_throttle =
RK960_HOST_VIF1_11BG_THROTTLE;
RK960_DEBUG_AP("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) {
RK960_DEBUG_AP("[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 =
rk960_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(rk960_rate_mask_to_wsm
(hw_priv, info->basic_rates));
priv->association_mode.mpduStartSpacing =
rk960_ht_ampdu_density(&hw_priv->ht_info);
#if defined(CONFIG_RK960_USE_STE_EXTENSIONS)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
priv->cqm_beacon_loss_count = 0;
priv->cqm_tx_failure_thold = 0;
#else
priv->cqm_beacon_loss_count =
info->cqm_beacon_miss_thold;
priv->cqm_tx_failure_thold = info->cqm_tx_fail_thold;
#endif
priv->cqm_tx_failure_count = 0;
cancel_delayed_work_sync(&priv->bss_loss_work);
cancel_delayed_work_sync(&priv->connection_loss_work);
#endif /* CONFIG_RK960_USE_STE_EXTENSIONS */
priv->bss_params.beaconLostCount =
priv->cqm_beacon_loss_count ?
priv->cqm_beacon_loss_count :
priv->cqm_link_loss_count;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
priv->bss_params.aid = vif->cfg.aid;
#else
priv->bss_params.aid = info->aid;
#endif
if (priv->join_dtim_period < 1)
priv->join_dtim_period = 1;
RK960_DEBUG_AP("[STA] DTIM %d, interval: %d\n",
priv->join_dtim_period,
priv->beacon_int);
RK960_DEBUG_AP("[STA] Preamble: %d, "
"Greenfield: %d, Aid: %d, "
"Rates: 0x%.8X, Basic: 0x%.8X, "
"htcap = %x\n",
priv->association_mode.preambleType,
priv->association_mode.greenfieldMode,
priv->bss_params.aid,
priv->bss_params.operationalRateSet,
priv->association_mode.basicRateSet,
priv->htcap);
WARN_ON(wsm_set_association_mode
(hw_priv, &priv->association_mode,
priv->if_id));
WARN_ON(wsm_keep_alive_period
(hw_priv, RK960_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);
}
rk960_set_pm(priv, &priv->powersave_mode);
if (priv->vif->p2p) {
RK960_DEBUG_AP("[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_RK960_USE_STE_EXTENSIONS)
rk960_notify_noa(priv,
RK960_NOA_NOTIFICATION_DELAY);
#endif
}
if (priv->mode == NL80211_IFTYPE_STATION)
WARN_ON(rk960_upload_qosnull(priv));
if (hw_priv->is_BT_Present)
WARN_ON(rk960_set_btcoexinfo(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 {
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 == RK960_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);
RK960_DEBUG_AP("[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 */
RK960_DEBUG_AP("[CQM] RSSI threshold "
"if_id %d "
"subscribe: %d +- %d\n",
priv->if_id,
info->cqm_rssi_thold, info->cqm_rssi_hyst);
#if defined(CONFIG_RK960_USE_STE_EXTENSIONS)
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0))
RK960_DEBUG_AP("[CQM] Beacon loss subscribe: %d\n",
info->cqm_beacon_miss_thold);
RK960_DEBUG_AP("[CQM] TX failure subscribe: %d\n",
info->cqm_tx_fail_thold);
#endif
#endif /* CONFIG_RK960_USE_STE_EXTENSIONS */
priv->cqm_rssi_thold = info->cqm_rssi_thold;
priv->cqm_rssi_hyst = info->cqm_rssi_hyst;
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_RK960_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_RK960_USE_STE_EXTENSIONS */
}
#if 0
if (changed & BSS_CHANGED_PS) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
if (info->ps == false)
#else
if (info->ps_enabled == false)
#endif
priv->powersave_mode.pmMode = WSM_PSM_ACTIVE;
/*else if (dynamic_ps_timeout <= 0)
priv->powersave_mode.pmMode = WSM_PSM_PS; */
else
priv->powersave_mode.pmMode = WSM_PSM_FAST_PS;
RK960_DEBUG_AP("[STA] Aid: %d, Joined: %s, Powersave: %s %d\n",
priv->bss_params.aid,
priv->join_status ==
RK960_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",
dynamic_ps_timeout);
/* 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 (dynamic_ps_timeout >= 0x80)
priv->powersave_mode.fastPsmIdlePeriod = 0xFF;
else
priv->powersave_mode.fastPsmIdlePeriod =
dynamic_ps_timeout << 1;
if (priv->join_status == RK960_JOIN_STATUS_STA &&
priv->bss_params.aid &&
priv->setbssparams_done && priv->filter4.enable)
rk960_set_pm(priv, &priv->powersave_mode);
else
priv->power_set_true = 1;
}
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0))
if (changed & BSS_CHANGED_RETRY_LIMITS) {
RK960_DEBUG_AP("[AP] Retry limits: %d (long), "
"%d (short).\n", info->retry_long,
info->retry_short);
spin_lock_bh(&hw_priv->tx_policy_cache.lock);
/*TODO:COMBO: for now it's still handled per hw and kept
* in rk960_common */
hw_priv->long_frame_max_tx_count = info->retry_long;
hw_priv->short_frame_max_tx_count =
(info->retry_short < 0x0F) ? info->retry_short : 0x0F;
hw_priv->hw->max_rate_tries = hw_priv->short_frame_max_tx_count;
spin_unlock_bh(&hw_priv->tx_policy_cache.lock);
/* TBD: I think we don't need tx_policy_force_upload().
* Outdated policies will leave cache in a normal way. */
/* WARN_ON(tx_policy_force_upload(priv)); */
}
#endif
#if defined(CONFIG_RK960_USE_STE_EXTENSIONS)
if (changed & BSS_CHANGED_P2P_PS) {
struct wsm_p2p_ps_modeinfo *modeinfo;
modeinfo = &priv->p2p_ps_modeinfo;
RK960_DEBUG_AP("[AP] BSS_CHANGED_P2P_PS\n");
RK960_DEBUG_AP("[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 == RK960_JOIN_STATUS_STA)
rk960_set_pm(priv, &priv->powersave_mode);
}
RK960_DEBUG_AP("[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;
RK960_DEBUG_AP("[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;
}
RK960_DEBUG_AP("[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 == RK960_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_RK960_STA_DEBUG)
print_hex_dump_bytes("p2p_set_ps_modeinfo: ",
DUMP_PREFIX_NONE,
(u8 *) modeinfo, sizeof(*modeinfo));
#endif /* CONFIG_RK960_STA_DEBUG */
if (priv->join_status == RK960_JOIN_STATUS_STA ||
priv->join_status == RK960_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 */
rk960_notify_noa(priv, 10);
}
#endif /* CONFIG_RK960_USE_STE_EXTENSIONS */
mutex_unlock(&hw_priv->conf_mutex);
}
void rk960_multicast_start_work(struct work_struct *work)
{
struct rk960_vif *priv =
container_of(work, struct rk960_vif, multicast_start_work);
long tmo = priv->join_dtim_period * (priv->beacon_int + 20) * HZ / 1024;
cancel_work_sync(&priv->multicast_stop_work);
//pr_info("join_dtim_period %d beacon_int %d\n", priv->join_dtim_period, priv->beacon_int);
RK960_DEBUG_AP("%s: aid0_bit_set %d\n", __func__, priv->aid0_bit_set);
if (!priv->aid0_bit_set) {
wsm_lock_tx(priv->hw_priv);
rk960_set_tim_impl(priv, true);
priv->aid0_bit_set = true;
mod_timer(&priv->mcast_timeout, jiffies + tmo);
wsm_unlock_tx(priv->hw_priv);
}
}
void rk960_multicast_stop_work(struct work_struct *work)
{
struct rk960_vif *priv =
container_of(work, struct rk960_vif, multicast_stop_work);
RK960_DEBUG_AP("%s: aid0_bit_set %d\n", __func__, priv->aid0_bit_set);
if (priv->aid0_bit_set) {
del_timer_sync(&priv->mcast_timeout);
wsm_lock_tx(priv->hw_priv);
priv->aid0_bit_set = false;
rk960_set_tim_impl(priv, false);
wsm_unlock_tx(priv->hw_priv);
}
}
#if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 6, 0))
void rk960_mcast_timeout(struct timer_list *t)
{
struct rk960_vif *priv = from_timer(priv, t, mcast_timeout);
#else
void rk960_mcast_timeout(unsigned long arg)
{
struct rk960_vif *priv = (struct rk960_vif *)arg;
#endif
RK960_INFO_AP("Multicast delivery timeout "
"aid0_bit_set %d buffered_multicasts %d\n",
priv->aid0_bit_set, priv->buffered_multicasts);
spin_lock_bh(&priv->ps_state_lock);
priv->tx_multicast = priv->aid0_bit_set && priv->buffered_multicasts;
if (priv->tx_multicast) {
rk960_bh_wakeup(rk960_vifpriv_to_hwpriv(priv));
} else if ( /*!priv->sta_asleep_mask && */ priv->aid0_bit_set) {
queue_work(priv->hw_priv->workqueue,
&priv->multicast_stop_work);
}
spin_unlock_bh(&priv->ps_state_lock);
}
int rk960_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
struct ieee80211_ampdu_params *params)
#else
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid, u16 * ssn,
u8 buf_size)
#endif
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0))
//struct ieee80211_sta *sta = params->sta;
enum ieee80211_ampdu_mlme_action action = params->action;
//u16 tid = params->tid;
//u16 *ssn = &params->ssn;
//u8 buf_size = params->buf_size;
#endif
/* 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 (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 rk960_suspend_resume(struct rk960_vif *priv,
struct wsm_suspend_resume *arg)
{
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
#if 1
RK960_DEBUG_AP("[AP] %s: %s\n",
arg->stop ? "stop" : "start",
arg->multicast ? "broadcast" : "unicast");
#endif
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. */
rk960_pm_stay_awake(&hw_priv->pm_state,
priv->join_dtim_period *
(priv->beacon_int +
20) * HZ / 1024);
priv->tx_multicast = priv->aid0_bit_set
&& priv->buffered_multicasts;
RK960_DEBUG_AP("%s: tx_multicast %d\n", __func__,
priv->tx_multicast);
if (priv->tx_multicast) {
cancel_tmo = true;
rk960_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);
rk960_ps_notify(priv, arg->link_id, arg->stop);
spin_unlock_bh(&priv->ps_state_lock);
if (!arg->stop)
rk960_bh_wakeup(hw_priv);
}
return;
}
/* ******************************************************************** */
/* AP privates */
static int rk960_upload_beacon(struct rk960_vif *priv)
{
int ret = 0;
struct rk960_common *hw_priv = rk960_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 == IEEE80211_BAND_5GHZ)
frame.rate = WSM_TRANSMIT_RATE_6;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
frame.skb = ieee80211_beacon_get(priv->hw, priv->vif, 0);
#else
frame.skb = ieee80211_beacon_get(priv->hw, priv->vif);
#endif
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);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
ht_info = (u8 *) cfg80211_find_ie(WLAN_EID_HT_OPERATION, ies, ies_len);
#else
ht_info =
(u8 *) cfg80211_find_ie(WLAN_EID_HT_INFORMATION, ies, ies_len);
#endif
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;
RK960_DEBUG_AP("%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) {
RK960_DEBUG_AP("%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 {
RK960_DEBUG_AP("%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 = rk960_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 rk960_upload_proberesp(struct rk960_vif *priv)
{
int ret = 0;
struct rk960_common *hw_priv = rk960_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 == IEEE80211_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 {
RK960_ERROR_AP
("%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);
if (priv->vif->p2p) /* Let host do the probe responder. */
WARN_ON(wsm_set_probe_responder(priv, true));
else
WARN_ON(wsm_set_probe_responder(priv, false));
dev_kfree_skb(frame.skb);
return ret;
}
#endif
static int rk960_upload_pspoll(struct rk960_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(rk960_vifpriv_to_hwpriv(priv), &frame,
priv->if_id);
dev_kfree_skb(frame.skb);
return ret;
}
static int rk960_upload_null(struct rk960_vif *priv)
{
int ret = 0;
struct wsm_template_frame frame = {
.frame_type = WSM_FRAME_TYPE_NULL,
.rate = 0xFF,
};
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 19, 0))
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif, -1, false);
#else
frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif, false);
#endif
#else
frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif);
#endif
if (WARN_ON(!frame.skb))
return -ENOMEM;
ret = wsm_set_template_frame(rk960_vifpriv_to_hwpriv(priv),
&frame, priv->if_id);
dev_kfree_skb(frame.skb);
return ret;
}
static int rk960_upload_qosnull(struct rk960_vif *priv)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
return 0; //-ENOMEM;
#else
int ret = 0;
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
struct wsm_template_frame frame = {
.frame_type = WSM_FRAME_TYPE_QOS_NULL,
.rate = 0xFF,
};
frame.skb = ieee80211_qosnullfunc_get(priv->hw, priv->vif);
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;
#endif
}
/* This API is nolonegr present in WSC */
#if 0
static int rk960_enable_beaconing(struct rk960_vif *priv, bool enable)
{
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
struct wsm_beacon_transmit transmit = {
.enableBeaconing = enable,
};
return wsm_beacon_transmit(hw_priv, &transmit, priv->if_id);
}
#endif
#ifdef RK960_CHANNEL_CONFLICT_OPT
static int find_ie(u8 * frame, int len, int ie, int ie_start)
{
int offset = 0;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)frame;
offset += ieee80211_hdrlen(hdr->frame_control);
offset += ie_start;
while (offset < len) {
if (frame[offset] == ie) {
return offset;
}
offset += frame[offset + 1] + 2;
}
return 0;
}
static void change_channel(u8 * frame, int len, int ch, u8 ie_id)
{
int offset;
offset = find_ie(frame, len, ie_id, 12);
if (offset)
frame[offset + 2] = ch;
}
void rk960_adjust_beacon_channel_info(struct rk960_common *hw_priv,
struct wsm_template_frame *arg,
int if_id, struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct rk960_vif *priv;
if (!(hw_priv->if_id_slot & BIT(if_id))) {
return;
}
priv = rk960_get_vif_from_ieee80211(hw_priv->vif_list[if_id]);
if (ieee80211_is_beacon(hdr->frame_control) ||
ieee80211_is_probe_resp(hdr->frame_control)) {
// change the channel of DSPS IE
change_channel(skb->data, skb->len, priv->current_channel, 0x3);
// change the Primary Channel in HT Info
change_channel(skb->data, skb->len, priv->current_channel,
0x3d);
// save template info
if (ieee80211_is_beacon(hdr->frame_control)) {
memcpy(&priv->beacon_template[0], arg,
sizeof(struct wsm_template_frame));
priv->beacon_template_len[0] = skb->len;
memcpy(priv->beacon_template_frame[0], skb->data,
skb->len);
}
if (ieee80211_is_probe_resp(hdr->frame_control)) {
memcpy(&priv->beacon_template[1], arg,
sizeof(struct wsm_template_frame));
priv->beacon_template_len[1] = skb->len;
memcpy(priv->beacon_template_frame[1], skb->data,
skb->len);
}
}
}
#endif
static int rk960_start_ap(struct rk960_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 rk960_common *hw_priv = rk960_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 == IEEE80211_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 = rk960_rate_mask_to_wsm(hw_priv,
conf->basic_rates),
#ifdef P2P_MULTIVIF
.CTWindow = priv->vif->p2p ? 0xFFFFFFFF : 0,
#endif
};
struct wsm_inactivity inactivity = {
.min_inactivity = 9,
.max_inactivity = 1,
};
struct wsm_operational_mode mode = {
.power_mode = wsm_power_mode_quiescent,
.disableMoreFlagUsage = true,
};
#ifdef RK960_CHANNEL_CONFLICT_OPT
if (priv->current_channel)
start.channelNumber = priv->current_channel;
#endif
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 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
skb = ieee80211_beacon_get(priv->hw, priv->vif, 0);
#else
skb = ieee80211_beacon_get(priv->hw, priv->vif);
#endif
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));
RK960_DEBUG_AP("[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 && priv->vif->p2p) {
RK960_DEBUG_AP("[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_RK960_USE_STE_EXTENSIONS)
rk960_notify_noa(priv, RK960_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,
RK960_TX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
RK960_RX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
priv->if_id));
#else
/*if ((priv->if_id ==1) && !hw_priv->is_go_thru_go_neg)
WARN_ON(wsm_set_block_ack_policy(hw_priv,
RK960_TX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
RK960_RX_BLOCK_ACK_DISABLED_FOR_ALL_TID,
priv->if_id));
else */
WARN_ON(wsm_set_block_ack_policy(hw_priv,
RK960_TX_BLOCK_ACK_ENABLED_FOR_ALL_TID,
RK960_RX_BLOCK_ACK_ENABLED_FOR_ALL_TID,
priv->if_id));
#endif
priv->join_status = RK960_JOIN_STATUS_AP;
/* rk960_update_filtering(priv); */
}
WARN_ON(wsm_set_operational_mode(hw_priv, &mode, priv->if_id));
hw_priv->vif0_throttle = RK960_HOST_VIF0_11BG_THROTTLE;
hw_priv->vif1_throttle = RK960_HOST_VIF1_11BG_THROTTLE;
//RK960_ERROR_AP("AP/GO mode BG THROTTLE %d\n", hw_priv->vif0_throttle);
return ret;
}
int rk960_update_beaconing(struct rk960_vif *priv, int force)
{
struct ieee80211_bss_conf *conf = &priv->vif->bss_conf;
struct rk960_common *hw_priv = rk960_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 != RK960_JOIN_STATUS_AP ||
priv->beacon_int != conf->beacon_int || force) {
RK960_DEBUG_AP("ap restarting\n");
wsm_lock_tx(hw_priv);
if (priv->join_status != RK960_JOIN_STATUS_PASSIVE)
WARN_ON(wsm_reset(hw_priv, &reset,
priv->if_id));
priv->join_status = RK960_JOIN_STATUS_PASSIVE;
WARN_ON(rk960_start_ap(priv));
wsm_unlock_tx(hw_priv);
} else
RK960_DEBUG_AP("ap started join_status: %d\n",
priv->join_status);
}
return 0;
}
int rk960_find_link_id(struct rk960_vif *priv, const u8 * mac)
{
int i, ret = 0;
spin_lock_bh(&priv->ps_state_lock);
for (i = 0; i < RK960_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 rk960_alloc_link_id(struct rk960_vif *priv, const u8 * mac)
{
int i, ret = 0;
unsigned long max_inactivity = 0;
unsigned long now = jiffies;
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
spin_lock_bh(&priv->ps_state_lock);
for (i = 0; i < RK960_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 != RK960_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 rk960_link_entry *entry = &priv->link_id_db[ret - 1];
RK960_DEBUG_AP("LDB: [AP] STA add link_id: %d"
" status %d %pM\n",
ret, RK960_LINK_RESERVE, mac);
entry->status = RK960_LINK_RESERVE;
memcpy(&entry->mac, mac, ETH_ALEN);
memset(&entry->buffered, 0, RK960_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 {
RK960_INFO_AP("[AP] Early: no more link IDs available.\n");
}
spin_unlock_bh(&priv->ps_state_lock);
return ret;
}
void rk960_link_id_work(struct work_struct *work)
{
struct rk960_vif *priv =
container_of(work, struct rk960_vif, link_id_work);
struct rk960_common *hw_priv = priv->hw_priv;
wsm_flush_tx(hw_priv);
rk960_link_id_gc_work(&priv->link_id_gc_work.work);
wsm_unlock_tx(hw_priv);
}
void rk960_link_id_gc_work(struct work_struct *work)
{
struct rk960_vif *priv =
container_of(work, struct rk960_vif, link_id_gc_work.work);
struct rk960_common *hw_priv = rk960_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 != RK960_JOIN_STATUS_AP)
return;
wsm_lock_tx(hw_priv);
spin_lock_bh(&priv->ps_state_lock);
for (i = 0; i < RK960_MAX_STA_IN_AP_MODE; ++i) {
need_reset = false;
mask = BIT(i + 1);
if (priv->link_id_db[i].status == RK960_LINK_RESERVE ||
(priv->link_id_db[i].status == RK960_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 != RK960_LINK_HARD)
priv->link_id_db[i].status = RK960_LINK_SOFT;
RK960_DEBUG_AP("LDB: gc_work case1 link_id: %d"
" status %d %pM link_id_map %x\n",
i + 1, priv->link_id_db[i].status,
priv->link_id_db[i].mac,
priv->link_id_map);
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(rk960_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, RK960_LINK_ID_GC_TIMEOUT);
spin_lock_bh(&priv->ps_state_lock);
} else if (priv->link_id_db[i].status == RK960_LINK_SOFT) {
ttl = priv->link_id_db[i].timestamp - now +
RK960_LINK_ID_GC_TIMEOUT;
if (ttl <= 0) {
need_reset = true;
priv->link_id_db[i].status = RK960_LINK_OFF;
priv->link_id_map &= ~mask;
priv->sta_asleep_mask &= ~mask;
priv->pspoll_mask &= ~mask;
RK960_DEBUG_AP("LDB: gc_work case2 link_id: %d"
" status %d %pM link_id_map %x\n",
i + 1,
priv->link_id_db[i].status,
priv->link_id_db[i].mac,
priv->link_id_map);
memset(map_link.mac_addr, 0, ETH_ALEN);
spin_unlock_bh(&priv->ps_state_lock);
WARN_ON(rk960_unmap_link(priv, i + 1));
spin_lock_bh(&priv->ps_state_lock);
} else {
next_gc = min_t(unsigned long, next_gc, ttl);
RK960_DEBUG_AP("LDB: gc_work case2 link_id: %d"
" status %d %pM link_id_map %x\n",
i + 1,
priv->link_id_db[i].status,
priv->link_id_db[i].mac,
priv->link_id_map);
}
#if defined(CONFIG_RK960_USE_STE_EXTENSIONS)
} else if (priv->link_id_db[i].status == RK960_LINK_RESET ||
priv->link_id_db[i].status ==
RK960_LINK_RESET_REMAP) {
int status = priv->link_id_db[i].status;
priv->link_id_db[i].status = RK960_LINK_OFF;
priv->link_id_db[i].timestamp = now;
spin_unlock_bh(&priv->ps_state_lock);
WARN_ON(rk960_unmap_link(priv, i + 1));
if (status == RK960_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,
RK960_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);
RK960_DEBUG_AP("LDB: [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_RK960_USE_STE_EXTENSIONS)
void rk960_notify_noa(struct rk960_vif *priv, int delay)
{
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
struct cfg80211_p2p_ps p2p_ps = { 0 };
struct wsm_p2p_ps_modeinfo *modeinfo;
modeinfo = &priv->p2p_ps_modeinfo;
RK960_DEBUG_AP("[AP]: %s called\n", __func__);
if (priv->join_status != RK960_JOIN_STATUS_AP)
return;
if (delay)
msleep(delay);
if (!WARN_ON(wsm_get_p2p_ps_modeinfo(hw_priv, modeinfo))) {
#if defined(CONFIG_RK960_STA_DEBUG)
print_hex_dump_bytes("[AP] p2p_get_ps_modeinfo: ",
DUMP_PREFIX_NONE,
(u8 *) modeinfo, sizeof(*modeinfo));
#endif /* CONFIG_RK960_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 rk960_unmap_link(struct rk960_vif *priv, int link_id)
{
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
int ret = 0;
struct wsm_operational_mode mode = {
.power_mode = wsm_power_mode_quiescent,
.disableMoreFlagUsage = true,
};
if (is_hardware_version1(hw_priv) || is_hardware_version2(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);
WARN_ON(wsm_set_operational_mode(hw_priv, &mode, priv->if_id));
return ret;
}
}
#ifdef AP_HT_CAP_UPDATE
void rk960_ht_info_update_work(struct work_struct *work)
{
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
u8 *ht_info, *ies;
u32 ies_len;
struct rk960_vif *priv =
container_of(work, struct rk960_vif, ht_info_update_work);
struct rk960_common *hw_priv = rk960_vifpriv_to_hwpriv(priv);
struct wsm_update_ie update_ie = {
.what = WSM_UPDATE_IE_BEACON,
.count = 1,
};
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0))
skb = ieee80211_beacon_get(priv->hw, priv->vif, 0);
#else
skb = ieee80211_beacon_get(priv->hw, priv->vif);
#endif
if (WARN_ON(!skb))
return;
mgmt = (void *)skb->data;
ies = mgmt->u.beacon.variable;
ies_len = skb->len - (u32) (ies - (u8 *) mgmt);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
ht_info = (u8 *) cfg80211_find_ie(WLAN_EID_HT_OPERATION, ies, ies_len);
#else
ht_info =
(u8 *) cfg80211_find_ie(WLAN_EID_HT_INFORMATION, ies, ies_len);
#endif
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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