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sta.c
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sta.c
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/*
* STA APIs for XRadio drivers
*
* Copyright (c) 2013, XRadio
* Author: XRadio
*
* 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 <linux/vmalloc.h>
#include <linux/sched.h>
#include <linux/firmware.h>
#include <linux/if_arp.h>
#include <linux/ipv6.h>
#include <linux/icmpv6.h>
#include <net/ndisc.h>
#include "xradio.h"
#include "sta.h"
#include "ap.h"
#include "keys.h"
#include "fwio.h"
#include "bh.h"
#include "wsm.h"
#ifdef ROAM_OFFLOAD
#include <net/netlink.h>
#endif /*ROAM_OFFLOAD*/
#include "net/mac80211.h"
#ifdef TES_P2P_0002_ROC_RESTART
#include <linux/time.h>
#endif
#define WEP_ENCRYPT_HDR_SIZE 4
#define WEP_ENCRYPT_TAIL_SIZE 4
#define WPA_ENCRYPT_HDR_SIZE 8
#define WPA_ENCRYPT_TAIL_SIZE 12
#define WPA2_ENCRYPT_HDR_SIZE 8
#define WPA2_ENCRYPT_TAIL_SIZE 8
#define WAPI_ENCRYPT_HDR_SIZE 18
#define WAPI_ENCRYPT_TAIL_SIZE 16
#define MAX_ARP_REPLY_TEMPLATE_SIZE 120
static inline void __xradio_free_event_queue(struct list_head *list)
{
while (!list_empty(list)) {
struct xradio_wsm_event *event =
list_first_entry(list, struct xradio_wsm_event,link);
list_del(&event->link);
kfree(event);
}
}
static inline void __xradio_bf_configure(struct xradio_vif *priv)
{
priv->bf_table.numOfIEs = __cpu_to_le32(3);
priv->bf_table.entry[0].ieId = WLAN_EID_VENDOR_SPECIFIC;
priv->bf_table.entry[0].actionFlags =
WSM_BEACON_FILTER_IE_HAS_CHANGED |
WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT |
WSM_BEACON_FILTER_IE_HAS_APPEARED;
priv->bf_table.entry[0].oui[0] = 0x50;
priv->bf_table.entry[0].oui[1] = 0x6F;
priv->bf_table.entry[0].oui[2] = 0x9A;
priv->bf_table.entry[1].ieId = WLAN_EID_ERP_INFO;
priv->bf_table.entry[1].actionFlags =
WSM_BEACON_FILTER_IE_HAS_CHANGED |
WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT |
WSM_BEACON_FILTER_IE_HAS_APPEARED;
priv->bf_table.entry[2].ieId = WLAN_EID_HT_OPERATION;
priv->bf_table.entry[2].actionFlags =
WSM_BEACON_FILTER_IE_HAS_CHANGED |
WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT |
WSM_BEACON_FILTER_IE_HAS_APPEARED;
priv->bf_control.enabled = WSM_BEACON_FILTER_ENABLE;
}
/* ******************************************************************** */
/* STA API */
int xradio_start(struct ieee80211_hw *dev)
{
struct xradio_common *hw_priv = dev->priv;
int ret = 0;
if (wait_event_interruptible_timeout(hw_priv->wsm_startup_done,
hw_priv->driver_ready, 3*HZ) <= 0) {
wiphy_err(dev->wiphy, "driver is not ready!\n");
return -ETIMEDOUT;
}
mutex_lock(&hw_priv->conf_mutex);
memcpy(hw_priv->mac_addr, dev->wiphy->perm_addr, ETH_ALEN);
hw_priv->softled_state = 0;
ret = xradio_setup_mac(hw_priv);
if (WARN_ON(ret)) {
wiphy_err(dev->wiphy, "xradio_setup_mac failed(%d)\n", ret);
goto out;
}
out:
mutex_unlock(&hw_priv->conf_mutex);
return ret;
}
void xradio_stop(struct ieee80211_hw *dev)
{
struct xradio_common *hw_priv = dev->priv;
struct xradio_vif *priv = NULL;
LIST_HEAD(list);
int i;
wsm_lock_tx(hw_priv);
while (down_trylock(&hw_priv->scan.lock)) {
/* Scan is in progress. Force it to stop. */
hw_priv->scan.req = NULL;
schedule();
}
up(&hw_priv->scan.lock);
cancel_delayed_work_sync(&hw_priv->scan.probe_work);
cancel_delayed_work_sync(&hw_priv->scan.timeout);
flush_workqueue(hw_priv->workqueue);
del_timer_sync(&hw_priv->ba_timer);
mutex_lock(&hw_priv->conf_mutex);
hw_priv->softled_state = 0;
/* xradio_set_leds(hw_priv); */
spin_lock(&hw_priv->event_queue_lock);
list_splice_init(&hw_priv->event_queue, &list);
spin_unlock(&hw_priv->event_queue_lock);
__xradio_free_event_queue(&list);
for (i = 0; i < 4; i++)
xradio_queue_clear(&hw_priv->tx_queue[i], XRWL_ALL_IFS);
/* HACK! */
if (atomic_xchg(&hw_priv->tx_lock, 1) != 1)
wiphy_debug(dev->wiphy, "TX is force-unlocked due to stop request.\n");
xradio_for_each_vif(hw_priv, priv, i) {
if (!priv)
continue;
priv->mode = NL80211_IFTYPE_UNSPECIFIED;
priv->listening = false;
priv->delayed_link_loss = 0;
priv->join_status = XRADIO_JOIN_STATUS_PASSIVE;
cancel_delayed_work_sync(&priv->join_timeout);
cancel_delayed_work_sync(&priv->bss_loss_work);
cancel_delayed_work_sync(&priv->connection_loss_work);
cancel_delayed_work_sync(&priv->link_id_gc_work);
del_timer_sync(&priv->mcast_timeout);
}
wsm_unlock_tx(hw_priv);
mutex_unlock(&hw_priv->conf_mutex);
}
int xradio_add_interface(struct ieee80211_hw *dev,
struct ieee80211_vif *vif)
{
int ret;
struct xradio_common *hw_priv = dev->priv;
struct xradio_vif *priv;
struct xradio_vif **drv_priv = (void *)vif->drv_priv;
int i;
if (atomic_read(&hw_priv->num_vifs) >= XRWL_MAX_VIFS)
return -EOPNOTSUPP;
if (wait_event_interruptible_timeout(hw_priv->wsm_startup_done,
hw_priv->driver_ready, 3*HZ) <= 0) {
wiphy_err(dev->wiphy, "driver is not ready!\n");
return -ETIMEDOUT;
}
/* fix the problem that when connected,then deauth */
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
priv = xrwl_get_vif_from_ieee80211(vif);
atomic_set(&priv->enabled, 0);
*drv_priv = priv;
/* __le32 auto_calibration_mode = __cpu_to_le32(1); */
mutex_lock(&hw_priv->conf_mutex);
priv->mode = vif->type;
spin_lock(&hw_priv->vif_list_lock);
if (atomic_read(&hw_priv->num_vifs) < XRWL_MAX_VIFS) {
for (i = 0; i < XRWL_MAX_VIFS; i++)
if (!memcmp(vif->addr, hw_priv->addresses[i].addr, ETH_ALEN))
break;
if (i == XRWL_MAX_VIFS) {
spin_unlock(&hw_priv->vif_list_lock);
mutex_unlock(&hw_priv->conf_mutex);
return -EINVAL;
}
priv->if_id = i;
hw_priv->if_id_slot |= BIT(priv->if_id);
priv->hw_priv = hw_priv;
priv->hw = dev;
priv->vif = vif;
hw_priv->vif_list[priv->if_id] = vif;
atomic_inc(&hw_priv->num_vifs);
} else {
spin_unlock(&hw_priv->vif_list_lock);
mutex_unlock(&hw_priv->conf_mutex);
return -EOPNOTSUPP;
}
spin_unlock(&hw_priv->vif_list_lock);
/* TODO:COMBO :Check if MAC address matches the one expected by FW */
memcpy(hw_priv->mac_addr, vif->addr, ETH_ALEN);
/* Enable auto-calibration */
/* Exception in subsequent channel switch; disabled.
WARN_ON(wsm_write_mib(hw_priv, WSM_MIB_ID_SET_AUTO_CALIBRATION_MODE,
&auto_calibration_mode, sizeof(auto_calibration_mode)));
*/
wiphy_debug(dev->wiphy, "Interface ID:%d of type:%d added\n", priv->if_id, priv->mode);
mutex_unlock(&hw_priv->conf_mutex);
xradio_vif_setup(priv);
ret = WARN_ON(xradio_setup_mac_pvif(priv));
return ret;
}
void xradio_remove_interface(struct ieee80211_hw *dev,
struct ieee80211_vif *vif)
{
struct xradio_common *hw_priv = dev->priv;
struct xradio_vif *priv = xrwl_get_vif_from_ieee80211(vif);
struct wsm_reset reset = {
.reset_statistics = true,
};
int i;
bool is_htcapie = false;
struct xradio_vif *tmp_priv;
wiphy_warn(dev->wiphy, "!!! vif_id=%d\n", priv->if_id);
atomic_set(&priv->enabled, 0);
down(&hw_priv->scan.lock);
if(priv->join_status == XRADIO_JOIN_STATUS_STA){
if (atomic_xchg(&priv->delayed_unjoin, 0)) {
wsm_unlock_tx(hw_priv);
wiphy_err(dev->wiphy, "delayed_unjoin exist!\n");
}
cancel_work_sync(&priv->unjoin_work);
wsm_lock_tx(hw_priv);
xradio_unjoin_work(&priv->unjoin_work);
}
mutex_lock(&hw_priv->conf_mutex);
xradio_tx_queues_lock(hw_priv);
wsm_lock_tx(hw_priv);
switch (priv->join_status) {
case XRADIO_JOIN_STATUS_AP:
for (i = 0; priv->link_id_map; ++i) {
if (priv->link_id_map & BIT(i)) {
xrwl_unmap_link(priv, i);
priv->link_id_map &= ~BIT(i);
}
}
memset(priv->link_id_db, 0,
sizeof(priv->link_id_db));
priv->sta_asleep_mask = 0;
priv->enable_beacon = false;
priv->tx_multicast = false;
priv->aid0_bit_set = false;
priv->buffered_multicasts = false;
priv->pspoll_mask = 0;
reset.link_id = 0;
wsm_reset(hw_priv, &reset, priv->if_id);
WARN_ON(wsm_set_operational_mode(hw_priv, &defaultoperationalmode, priv->if_id));
xradio_for_each_vif(hw_priv, tmp_priv, i) {
if (!tmp_priv)
continue;
if ((tmp_priv->join_status == XRADIO_JOIN_STATUS_STA) && tmp_priv->htcap)
is_htcapie = true;
}
if (is_htcapie) {
hw_priv->vif0_throttle = XRWL_HOST_VIF0_11N_THROTTLE;
hw_priv->vif1_throttle = XRWL_HOST_VIF1_11N_THROTTLE;
sta_printk(XRADIO_DBG_NIY, "AP REMOVE HTCAP 11N %d\n",hw_priv->vif0_throttle);
} else {
hw_priv->vif0_throttle = XRWL_HOST_VIF0_11BG_THROTTLE;
hw_priv->vif1_throttle = XRWL_HOST_VIF1_11BG_THROTTLE;
sta_printk(XRADIO_DBG_NIY, "AP REMOVE 11BG %d\n",hw_priv->vif0_throttle);
}
break;
case XRADIO_JOIN_STATUS_MONITOR:
xradio_disable_listening(priv);
break;
default:
break;
}
/* TODO:COMBO: Change Queue Module */
__xradio_flush(hw_priv, false, priv->if_id);
cancel_delayed_work_sync(&priv->bss_loss_work);
cancel_delayed_work_sync(&priv->connection_loss_work);
cancel_delayed_work_sync(&priv->link_id_gc_work);
cancel_delayed_work_sync(&priv->join_timeout);
cancel_delayed_work_sync(&priv->set_cts_work);
cancel_delayed_work_sync(&priv->pending_offchanneltx_work);
del_timer_sync(&priv->mcast_timeout);
/* TODO:COMBO: May be reset of these variables "delayed_link_loss and
* join_status to default can be removed as dev_priv will be freed by
* mac80211 */
priv->delayed_link_loss = 0;
priv->join_status = XRADIO_JOIN_STATUS_PASSIVE;
wsm_unlock_tx(hw_priv);
if ((priv->if_id ==1) && (priv->mode == NL80211_IFTYPE_AP
|| priv->mode == NL80211_IFTYPE_P2P_GO)) {
hw_priv->is_go_thru_go_neg = false;
}
spin_lock(&hw_priv->vif_list_lock);
spin_lock(&priv->vif_lock);
hw_priv->vif_list[priv->if_id] = NULL;
hw_priv->if_id_slot &= (~BIT(priv->if_id));
atomic_dec(&hw_priv->num_vifs);
if (atomic_read(&hw_priv->num_vifs) == 0) {
xradio_free_keys(hw_priv);
memset(hw_priv->mac_addr, 0, ETH_ALEN);
}
spin_unlock(&priv->vif_lock);
spin_unlock(&hw_priv->vif_list_lock);
priv->listening = false;
xradio_tx_queues_unlock(hw_priv);
mutex_unlock(&hw_priv->conf_mutex);
if (atomic_read(&hw_priv->num_vifs) == 0)
flush_workqueue(hw_priv->workqueue);
memset(priv, 0, sizeof(struct xradio_vif));
up(&hw_priv->scan.lock);
}
int xradio_change_interface(struct ieee80211_hw *dev,
struct ieee80211_vif *vif,
enum nl80211_iftype new_type,
bool p2p)
{
int ret = 0;
wiphy_debug(dev->wiphy, "changing interface type; new type=%d(%d), p2p=%d(%d)\n",
new_type, vif->type, p2p, vif->p2p);
if (new_type != vif->type || vif->p2p != p2p) {
xradio_remove_interface(dev, vif);
vif->type = new_type;
vif->p2p = p2p;
ret = xradio_add_interface(dev, vif);
}
return ret;
}
int xradio_config(struct ieee80211_hw *dev, u32 changed)
{
int ret = 0;
struct xradio_common *hw_priv = dev->priv;
struct ieee80211_conf *conf = &dev->conf;
/* TODO:COMBO: adjust to multi vif interface
* IEEE80211_CONF_CHANGE_IDLE is still handled per xradio_vif*/
int if_id = 0;
struct xradio_vif *priv;
if (changed &
(IEEE80211_CONF_CHANGE_MONITOR|IEEE80211_CONF_CHANGE_IDLE)) {
/* TBD: It looks like it's transparent
* there's a monitor interface present -- use this
* to determine for example whether to calculate
* timestamps for packets or not, do not use instead
* of filter flags! */
wiphy_debug(dev->wiphy, "ignore IEEE80211_CONF_CHANGE_MONITOR (%d)"
"IEEE80211_CONF_CHANGE_IDLE (%d)\n",
(changed & IEEE80211_CONF_CHANGE_MONITOR) ? 1 : 0,
(changed & IEEE80211_CONF_CHANGE_IDLE) ? 1 : 0);
return ret;
}
down(&hw_priv->scan.lock);
mutex_lock(&hw_priv->conf_mutex);
priv = __xrwl_hwpriv_to_vifpriv(hw_priv, hw_priv->scan.if_id);
/* TODO: IEEE80211_CONF_CHANGE_QOS */
/* TODO:COMBO:Change when support is available mac80211*/
if (changed & IEEE80211_CONF_CHANGE_POWER) {
/*hw_priv->output_power = conf->power_level;*/
hw_priv->output_power = 20;
wiphy_debug(dev->wiphy, "Config Tx power=%d, but real=%d\n",
conf->power_level, hw_priv->output_power);
WARN_ON(wsm_set_output_power(hw_priv, hw_priv->output_power * 10, if_id));
}
if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) &&
(hw_priv->channel != conf->chandef.chan)) {
/* Switch Channel commented for CC Mode */
struct ieee80211_channel *ch = conf->chandef.chan;
wiphy_debug(dev->wiphy, "Freq %d (wsm ch: %d).\n",
ch->center_freq, ch->hw_value);
/* Earlier there was a call to __xradio_flush().
Removed as deemed unnecessary */
hw_priv->channel = ch;
hw_priv->channel_changed = 1;
}
mutex_unlock(&hw_priv->conf_mutex);
up(&hw_priv->scan.lock);
return ret;
}
void xradio_update_filtering(struct xradio_vif *priv)
{
int ret;
bool bssid_filtering = !priv->rx_filter.bssid;
struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv);
static struct wsm_beacon_filter_control bf_disabled = {
.enabled = 0,
.bcn_count = 1,
};
bool ap_mode = 0;
static struct wsm_beacon_filter_table bf_table_auto = {
.numOfIEs = __cpu_to_le32(2),
.entry[0].ieId = WLAN_EID_VENDOR_SPECIFIC,
.entry[0].actionFlags = WSM_BEACON_FILTER_IE_HAS_CHANGED |
WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT |
WSM_BEACON_FILTER_IE_HAS_APPEARED,
.entry[0].oui[0] = 0x50,
.entry[0].oui[1] = 0x6F,
.entry[0].oui[2] = 0x9A,
.entry[1].ieId = WLAN_EID_HT_OPERATION,
.entry[1].actionFlags = WSM_BEACON_FILTER_IE_HAS_CHANGED |
WSM_BEACON_FILTER_IE_NO_LONGER_PRESENT |
WSM_BEACON_FILTER_IE_HAS_APPEARED,
};
static struct wsm_beacon_filter_control bf_auto = {
.enabled = WSM_BEACON_FILTER_ENABLE |
WSM_BEACON_FILTER_AUTO_ERP,
.bcn_count = 1,
};
bf_auto.bcn_count = priv->bf_control.bcn_count;
if (priv->join_status == XRADIO_JOIN_STATUS_PASSIVE)
return;
else if (priv->join_status == XRADIO_JOIN_STATUS_MONITOR)
bssid_filtering = false;
if (priv->vif && (priv->vif->type == NL80211_IFTYPE_AP))
ap_mode = true;
/*
* When acting as p2p client being connected to p2p GO, in order to
* receive frames from a different p2p device, turn off bssid filter.
*
* WARNING: FW dependency!
* This can only be used with FW WSM371 and its successors.
* In that FW version even with bssid filter turned off,
* device will block most of the unwanted frames.
*/
if (priv->vif && priv->vif->p2p)
bssid_filtering = false;
ret = wsm_set_rx_filter(hw_priv, &priv->rx_filter, priv->if_id);
if (!ret && !ap_mode) {
if (priv->vif) {
if (priv->vif->p2p || NL80211_IFTYPE_STATION != priv->vif->type)
ret = wsm_set_beacon_filter_table(hw_priv, &priv->bf_table, priv->if_id);
else
ret = wsm_set_beacon_filter_table(hw_priv, &bf_table_auto, priv->if_id);
} else
WARN_ON(1);
}
if (!ret && !ap_mode) {
if (priv->disable_beacon_filter)
ret = wsm_beacon_filter_control(hw_priv, &bf_disabled, priv->if_id);
else {
if (priv->vif) {
if (priv->vif->p2p || NL80211_IFTYPE_STATION != priv->vif->type)
ret = wsm_beacon_filter_control(hw_priv, &priv->bf_control,
priv->if_id);
else
ret = wsm_beacon_filter_control(hw_priv, &bf_auto, priv->if_id);
} else
WARN_ON(1);
}
}
if (!ret)
ret = wsm_set_bssid_filtering(hw_priv, bssid_filtering, priv->if_id);
#if 0
if (!ret) {
ret = wsm_set_multicast_filter(hw_priv, &priv->multicast_filter, priv->if_id);
}
#endif
if (ret)
wiphy_debug(priv->hw_priv->hw->wiphy, "Update filtering failed: %d.\n", ret);
return;
}
void xradio_update_filtering_work(struct work_struct *work)
{
struct xradio_vif *priv =
container_of(work, struct xradio_vif,
update_filtering_work);
xradio_update_filtering(priv);
}
void xradio_set_beacon_wakeup_period_work(struct work_struct *work)
{
struct xradio_vif *priv =
container_of(work, struct xradio_vif, set_beacon_wakeup_period_work);
#ifdef XRADIO_USE_LONG_DTIM_PERIOD
{
int join_dtim_period_extend;
if (priv->join_dtim_period <= 3) {
join_dtim_period_extend = priv->join_dtim_period * 3;
} else if (priv->join_dtim_period <= 5) {
join_dtim_period_extend = priv->join_dtim_period * 2;
} else {
join_dtim_period_extend = priv->join_dtim_period;
}
WARN_ON(wsm_set_beacon_wakeup_period(priv->hw_priv,
priv->beacon_int * join_dtim_period_extend >
MAX_BEACON_SKIP_TIME_MS ? 1 : join_dtim_period_extend,
0, priv->if_id));
}
#else
WARN_ON(wsm_set_beacon_wakeup_period(priv->hw_priv,
priv->beacon_int * priv->join_dtim_period >
MAX_BEACON_SKIP_TIME_MS ? 1 :priv->join_dtim_period,
0, priv->if_id));
#endif
}
u64 xradio_prepare_multicast(struct ieee80211_hw *hw,
struct netdev_hw_addr_list *mc_list)
{
struct xradio_common *hw_priv = hw->priv;
struct xradio_vif *priv = NULL;
static u8 broadcast_ipv6[ETH_ALEN] = {
0x33, 0x33, 0x00, 0x00, 0x00, 0x01
};
static u8 broadcast_ipv4[ETH_ALEN] = {
0x01, 0x00, 0x5e, 0x00, 0x00, 0x01
};
int i= 0;
xradio_for_each_vif(hw_priv,priv,i) {
struct netdev_hw_addr *ha = NULL;
int count = 0;
if ((!priv))
continue;
/* Disable multicast filtering */
priv->has_multicast_subscription = false;
memset(&priv->multicast_filter, 0x00, sizeof(priv->multicast_filter));
if (netdev_hw_addr_list_count(mc_list) > WSM_MAX_GRP_ADDRTABLE_ENTRIES)
return 0;
/* Enable if requested */
netdev_hw_addr_list_for_each(ha, mc_list) {
sta_printk(XRADIO_DBG_MSG, "multicast: %pM\n", ha->addr);
memcpy(&priv->multicast_filter.macAddress[count], ha->addr, ETH_ALEN);
if (memcmp(ha->addr, broadcast_ipv4, ETH_ALEN) &&
memcmp(ha->addr, broadcast_ipv6, ETH_ALEN))
priv->has_multicast_subscription = true;
count++;
}
if (count) {
priv->multicast_filter.enable = __cpu_to_le32(1);
priv->multicast_filter.numOfAddresses = __cpu_to_le32(count);
}
}
return netdev_hw_addr_list_count(mc_list);
}
void xradio_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
u64 multicast)
{
struct xradio_common *hw_priv = hw->priv;
struct xradio_vif *priv = NULL;
int i = 0;
/* delete umac warning */
if (hw_priv->vif_list[0] == NULL && hw_priv->vif_list[1] == NULL)
*total_flags &= ~(1<<31);
xradio_for_each_vif(hw_priv, priv, i) {
if(NULL == priv)
continue;
#if 0
bool listening = !!(*total_flags &
(FIF_PROMISC_IN_BSS |
FIF_OTHER_BSS |
FIF_BCN_PRBRESP_PROMISC |
FIF_PROBE_REQ));
#endif
*total_flags &= FIF_OTHER_BSS |
FIF_FCSFAIL |
FIF_BCN_PRBRESP_PROMISC |
FIF_PROBE_REQ;
down(&hw_priv->scan.lock);
mutex_lock(&hw_priv->conf_mutex);
priv->rx_filter.promiscuous = 0;
priv->rx_filter.bssid = (*total_flags &
(FIF_OTHER_BSS | FIF_PROBE_REQ)) ? 1 : 0;
priv->rx_filter.fcs = (*total_flags & FIF_FCSFAIL) ? 1 : 0;
priv->bf_control.bcn_count = (*total_flags &
(FIF_BCN_PRBRESP_PROMISC |
FIF_PROBE_REQ)) ? 1 : 0;
/*add for handle ap FIF_PROBE_REQ message,*/
priv->rx_filter.promiscuous = 0;
priv->rx_filter.fcs = 0;
if(NL80211_IFTYPE_AP == priv->vif->type){
priv->bf_control.bcn_count = 1;
priv->rx_filter.bssid = 1;
}else{
priv->bf_control.bcn_count = 0;
priv->rx_filter.bssid = 0;
}
#if 0
if (priv->listening ^ listening) {
priv->listening = listening;
wsm_lock_tx(hw_priv);
xradio_update_listening(priv, listening);
wsm_unlock_tx(hw_priv);
}
#endif
xradio_update_filtering(priv);
mutex_unlock(&hw_priv->conf_mutex);
up(&hw_priv->scan.lock);
}
}
int xradio_conf_tx(struct ieee80211_hw *dev, struct ieee80211_vif *vif,
u16 queue, const struct ieee80211_tx_queue_params *params)
{
struct xradio_common *hw_priv = dev->priv;
struct xradio_vif *priv = xrwl_get_vif_from_ieee80211(vif);
int ret = 0;
/* To prevent re-applying PM request OID again and again*/
bool old_uapsdFlags;
wiphy_debug(dev->wiphy, "vif %d, configuring tx\n", priv->if_id);
if (WARN_ON(!priv))
return -EOPNOTSUPP;
mutex_lock(&hw_priv->conf_mutex);
if (queue < dev->queues) {
old_uapsdFlags = priv->uapsd_info.uapsdFlags;
WSM_TX_QUEUE_SET(&priv->tx_queue_params, queue, 0, 0, 0);
ret = wsm_set_tx_queue_params(hw_priv,
&priv->tx_queue_params.params[queue],
queue, priv->if_id);
if (ret) {
wiphy_err(dev->wiphy, "wsm_set_tx_queue_params failed!\n");
ret = -EINVAL;
goto out;
}
WSM_EDCA_SET(&priv->edca, queue, params->aifs,
params->cw_min, params->cw_max,
params->txop, 0xc8, params->uapsd);
/* sta role is not support the uapsd */
if (priv->mode == NL80211_IFTYPE_STATION ||
priv->mode == NL80211_IFTYPE_P2P_CLIENT)
priv->edca.params[queue].uapsdEnable = 0;
ret = wsm_set_edca_params(hw_priv, &priv->edca, priv->if_id);
if (ret) {
wiphy_err(dev->wiphy, "wsm_set_edca_params failed!\n");
ret = -EINVAL;
goto out;
}
if (priv->mode == NL80211_IFTYPE_STATION) {
ret = xradio_set_uapsd_param(priv, &priv->edca);
if (!ret && priv->setbssparams_done &&
(priv->join_status == XRADIO_JOIN_STATUS_STA) &&
(old_uapsdFlags != priv->uapsd_info.uapsdFlags))
xradio_set_pm(priv, &priv->powersave_mode);
}
} else {
wiphy_err(dev->wiphy, "queue is to large!\n");
ret = -EINVAL;
}
out:
mutex_unlock(&hw_priv->conf_mutex);
return ret;
}
int xradio_get_stats(struct ieee80211_hw *dev,
struct ieee80211_low_level_stats *stats)
{
struct xradio_common *hw_priv = dev->priv;
memcpy(stats, &hw_priv->stats, sizeof(*stats));
return 0;
}
/*
int xradio_get_tx_stats(struct ieee80211_hw *dev,
struct ieee80211_tx_queue_stats *stats)
{
int i;
struct xradio_common *priv = dev->priv;
for (i = 0; i < dev->queues; ++i)
xradio_queue_get_stats(&priv->tx_queue[i], &stats[i]);
return 0;
}
*/
int xradio_set_pm(struct xradio_vif *priv, const struct wsm_set_pm *arg)
{
struct wsm_set_pm pm = *arg;
if (priv->uapsd_info.uapsdFlags != 0)
pm.pmMode &= ~WSM_PSM_FAST_PS_FLAG;
if (memcmp(&pm, &priv->firmware_ps_mode, sizeof(struct wsm_set_pm))) {
priv->firmware_ps_mode = pm;
return wsm_set_pm(priv->hw_priv, &pm, priv->if_id);
} else {
return 0;
}
}
void xradio_wep_key_work(struct work_struct *work)
{
struct xradio_vif *priv = container_of(work, struct xradio_vif , wep_key_work);
struct xradio_common *hw_priv = xrwl_vifpriv_to_hwpriv(priv);
u8 queueId = xradio_queue_get_queue_id(hw_priv->pending_frame_id);
struct xradio_queue *queue = &hw_priv->tx_queue[queueId];
__le32 wep_default_key_id = __cpu_to_le32(priv->wep_default_key_id);
BUG_ON(queueId >= 4);
sta_printk(XRADIO_DBG_MSG, "Setting default WEP key: %d\n",
priv->wep_default_key_id);
wsm_flush_tx(hw_priv);
WARN_ON(wsm_write_mib(hw_priv, WSM_MIB_ID_DOT11_WEP_DEFAULT_KEY_ID,
&wep_default_key_id, sizeof(wep_default_key_id),
priv->if_id));
xradio_queue_requeue(queue, hw_priv->pending_frame_id, true);
wsm_unlock_tx(hw_priv);
}
int xradio_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
{
struct xradio_common *hw_priv = hw->priv;
int ret = 0;
__le32 val32;
struct xradio_vif *priv = NULL;
int i =0;
int if_id;
xradio_for_each_vif(hw_priv,priv,i) {
if (!priv)
continue;
if_id = priv->if_id;
if (value != (u32) -1)
val32 = __cpu_to_le32(value);
else
val32 = 0; /* disabled */
/* mutex_lock(&priv->conf_mutex); */
ret = WARN_ON(wsm_write_mib(hw_priv, WSM_MIB_ID_DOT11_RTS_THRESHOLD,
&val32, sizeof(val32), if_id));
/* mutex_unlock(&priv->conf_mutex); */
}
return ret;
}
/* TODO: COMBO: Flush only a particular interface specific parts */
int __xradio_flush(struct xradio_common *hw_priv, bool drop, int if_id)
{
int i, ret;
struct xradio_vif *priv =
__xrwl_hwpriv_to_vifpriv(hw_priv, if_id);
for (;;) {
/* TODO: correct flush handling is required when dev_stop.
* Temporary workaround: 2s
*/
if (drop) {
for (i = 0; i < 4; ++i)
xradio_queue_clear(&hw_priv->tx_queue[i],if_id);
} else if(!hw_priv->bh_error){
ret = wait_event_timeout(
hw_priv->tx_queue_stats.wait_link_id_empty,
xradio_queue_stats_is_empty(&hw_priv->tx_queue_stats, -1, if_id),
2 * HZ);
} else { //add by yangfh, don't wait when bh error
sta_printk(XRADIO_DBG_ERROR, " %s:bh_error occur.\n", __func__);
ret = -1;
break;
}
if (!drop && unlikely(ret <= 0)) {
sta_printk(XRADIO_DBG_ERROR, " %s: timeout...\n", __func__);
ret = -ETIMEDOUT;
break;
} else {
ret = 0;
}
wsm_vif_lock_tx(priv);
if (unlikely(!xradio_queue_stats_is_empty(&hw_priv->tx_queue_stats,
-1, if_id))) {
/* Highly unlekely: WSM requeued frames. */
wsm_unlock_tx(hw_priv);
continue;
}
wsm_unlock_tx(hw_priv);
break;
}
return ret;
}
void xradio_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 queues, bool drop)
{
//struct xradio_vif *priv = NULL;
struct xradio_common *hw_priv = hw->priv;
int i = 0;
struct xradio_vif *priv = xrwl_get_vif_from_ieee80211(vif);
/*TODO:COMBO: reenable this part of code when flush callback
* is implemented per vif */
/*switch (hw_priv->mode) {
case NL80211_IFTYPE_MONITOR:
drop = true;
break;
case NL80211_IFTYPE_AP:
if (!hw_priv->enable_beacon)
drop = true;
break;
}*/
//if (!(hw_priv->if_id_slot & BIT(priv->if_id)))
// return;
xradio_for_each_vif(hw_priv, priv, i) {
if(NULL == priv)
continue;
if ((hw_priv->if_id_slot & BIT(priv->if_id)))
__xradio_flush(hw_priv, drop, priv->if_id);
}
return;
}
int xradio_remain_on_channel(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel *chan,
int duration, enum ieee80211_roc_type type)
{
int ret = 0;
struct xradio_common *hw_priv = hw->priv;
struct xradio_vif *priv = NULL;
int i = 0;
int if_id;
#ifdef TES_P2P_0002_ROC_RESTART
struct timeval TES_P2P_0002_tmval;
#endif
#ifdef TES_P2P_0002_ROC_RESTART
do_gettimeofday(&TES_P2P_0002_tmval);
TES_P2P_0002_roc_dur = (s32)duration;
TES_P2P_0002_roc_sec = (s32)TES_P2P_0002_tmval.tv_sec;
TES_P2P_0002_roc_usec = (s32)TES_P2P_0002_tmval.tv_usec;
#endif
down(&hw_priv->scan.lock);
mutex_lock(&hw_priv->conf_mutex);
xradio_for_each_vif(hw_priv, priv, i) {
if(NULL == priv)
continue;
if_id = priv->if_id;
#ifdef ROC_DEBUG
sta_printk(XRADIO_DBG_WARN, "ROC IN %d ch %d\n",
priv->if_id, chan->hw_value);
#endif
/* default only p2p interface if_id can remain on */
if((priv->if_id == 0) || (priv->if_id == 1))
continue;
hw_priv->roc_if_id = priv->if_id;
ret = WARN_ON(__xradio_flush(hw_priv, false, if_id));
xradio_enable_listening(priv, chan);
if (!ret) {
atomic_set(&hw_priv->remain_on_channel, 1);
queue_delayed_work(hw_priv->workqueue, &hw_priv->rem_chan_timeout,
duration * HZ / 1000);
priv->join_status = XRADIO_JOIN_STATUS_MONITOR;
ieee80211_ready_on_channel(hw);
} else {
hw_priv->roc_if_id = -1;
up(&hw_priv->scan.lock);
}
#ifdef ROC_DEBUG
sta_printk(XRADIO_DBG_WARN, "ROC OUT %d\n", priv->if_id);
#endif
}
/* set the channel to supplied ieee80211_channel pointer, if it
is not set. This is to remove the crash while sending a probe res
in listen state. Later channel will updated on
IEEE80211_CONF_CHANGE_CHANNEL event*/
if(!hw_priv->channel) {
hw_priv->channel = chan;
}
mutex_unlock(&hw_priv->conf_mutex);
return ret;
}
int xradio_cancel_remain_on_channel(struct ieee80211_hw *hw)
{
struct xradio_common *hw_priv = hw->priv;
sta_printk(XRADIO_DBG_NIY, "Cancel remain on channel\n");
#ifdef TES_P2P_0002_ROC_RESTART
if (TES_P2P_0002_state == TES_P2P_0002_STATE_GET_PKTID) {
TES_P2P_0002_state = TES_P2P_0002_STATE_IDLE;
sta_printk(XRADIO_DBG_WARN, "[ROC_RESTART_STATE_IDLE][Cancel ROC]\n");
}
#endif
if (atomic_read(&hw_priv->remain_on_channel))
cancel_delayed_work_sync(&hw_priv->rem_chan_timeout);
if (atomic_read(&hw_priv->remain_on_channel))
xradio_rem_chan_timeout(&hw_priv->rem_chan_timeout.work);
return 0;
}
/* ******************************************************************** */
/* WSM callbacks */
void xradio_channel_switch_cb(struct xradio_common *hw_priv)
{
wsm_unlock_tx(hw_priv);
}
void xradio_free_event_queue(struct xradio_common *hw_priv)
{
LIST_HEAD(list);
spin_lock(&hw_priv->event_queue_lock);
list_splice_init(&hw_priv->event_queue, &list);
spin_unlock(&hw_priv->event_queue_lock);