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[MAC80211]: remove management interface

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Removes the management interface since it is only required
for hostapd/userspace MLME, will not be in the final tree
at least in this form and hostapd/userspace MLME currently
do not work against this tree anyway.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johannes Berg 2007-09-28 14:02:09 +02:00 committed by David S. Miller
parent a289755250
commit f9d540ee5f
10 changed files with 14 additions and 306 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
include/net/mac80211.h
View file

@ -472,7 +472,6 @@ struct ieee80211_conf {
enum ieee80211_if_types {
IEEE80211_IF_TYPE_INVALID,
IEEE80211_IF_TYPE_AP,
IEEE80211_IF_TYPE_MGMT,
IEEE80211_IF_TYPE_STA,
IEEE80211_IF_TYPE_IBSS,
IEEE80211_IF_TYPE_MNTR,

181
net/mac80211/ieee80211.c
View file

@ -24,7 +24,6 @@
#include <net/net_namespace.h>
#include <net/cfg80211.h>
#include "ieee80211_common.h"
#include "ieee80211_i.h"
#include "ieee80211_rate.h"
#include "wep.h"
@ -123,151 +122,6 @@ static void ieee80211_master_set_multicast_list(struct net_device *dev)
ieee80211_configure_filter(local);
}
/* management interface */
static void
ieee80211_fill_frame_info(struct ieee80211_local *local,
struct ieee80211_frame_info *fi,
struct ieee80211_rx_status *status)
{
if (status) {
struct timespec ts;
struct ieee80211_rate *rate;
jiffies_to_timespec(jiffies, &ts);
fi->hosttime = cpu_to_be64((u64) ts.tv_sec * 1000000 +
ts.tv_nsec / 1000);
fi->mactime = cpu_to_be64(status->mactime);
switch (status->phymode) {
case MODE_IEEE80211A:
fi->phytype = htonl(ieee80211_phytype_ofdm_dot11_a);
break;
case MODE_IEEE80211B:
fi->phytype = htonl(ieee80211_phytype_dsss_dot11_b);
break;
case MODE_IEEE80211G:
fi->phytype = htonl(ieee80211_phytype_pbcc_dot11_g);
break;
default:
fi->phytype = htonl(0xAAAAAAAA);
break;
}
fi->channel = htonl(status->channel);
rate = ieee80211_get_rate(local, status->phymode,
status->rate);
if (rate) {
fi->datarate = htonl(rate->rate);
if (rate->flags & IEEE80211_RATE_PREAMBLE2) {
if (status->rate == rate->val)
fi->preamble = htonl(2); /* long */
else if (status->rate == rate->val2)
fi->preamble = htonl(1); /* short */
} else
fi->preamble = htonl(0);
} else {
fi->datarate = htonl(0);
fi->preamble = htonl(0);
}
fi->antenna = htonl(status->antenna);
fi->priority = htonl(0xffffffff); /* no clue */
fi->ssi_type = htonl(ieee80211_ssi_raw);
fi->ssi_signal = htonl(status->ssi);
fi->ssi_noise = 0x00000000;
fi->encoding = 0;
} else {
/* clear everything because we really don't know.
* the msg_type field isn't present on monitor frames
* so we don't know whether it will be present or not,
* but it's ok to not clear it since it'll be assigned
* anyway */
memset(fi, 0, sizeof(*fi) - sizeof(fi->msg_type));
fi->ssi_type = htonl(ieee80211_ssi_none);
}
fi->version = htonl(IEEE80211_FI_VERSION);
fi->length = cpu_to_be32(sizeof(*fi) - sizeof(fi->msg_type));
}
/* this routine is actually not just for this, but also
* for pushing fake 'management' frames into userspace.
* it shall be replaced by a netlink-based system. */
void
ieee80211_rx_mgmt(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_rx_status *status, u32 msg_type)
{
struct ieee80211_frame_info *fi;
const size_t hlen = sizeof(struct ieee80211_frame_info);
struct net_device *dev = local->apdev;
skb->dev = dev;
if (skb_headroom(skb) < hlen) {
I802_DEBUG_INC(local->rx_expand_skb_head);
if (pskb_expand_head(skb, hlen, 0, GFP_ATOMIC)) {
dev_kfree_skb(skb);
return;
}
}
fi = (struct ieee80211_frame_info *) skb_push(skb, hlen);
ieee80211_fill_frame_info(local, fi, status);
fi->msg_type = htonl(msg_type);
dev->stats.rx_packets++;
dev->stats.rx_bytes += skb->len;
skb_set_mac_header(skb, 0);
skb->ip_summed = CHECKSUM_UNNECESSARY;
skb->pkt_type = PACKET_OTHERHOST;
skb->protocol = htons(ETH_P_802_2);
memset(skb->cb, 0, sizeof(skb->cb));
netif_rx(skb);
}
static int ieee80211_mgmt_open(struct net_device *dev)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
if (!netif_running(local->mdev))
return -EOPNOTSUPP;
return 0;
}
static int ieee80211_mgmt_stop(struct net_device *dev)
{
return 0;
}
static int ieee80211_change_mtu_apdev(struct net_device *dev, int new_mtu)
{
/* FIX: what would be proper limits for MTU?
* This interface uses 802.11 frames. */
if (new_mtu < 256 || new_mtu > IEEE80211_MAX_DATA_LEN) {
printk(KERN_WARNING "%s: invalid MTU %d\n",
dev->name, new_mtu);
return -EINVAL;
}
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu);
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
dev->mtu = new_mtu;
return 0;
}
void ieee80211_if_mgmt_setup(struct net_device *dev)
{
ether_setup(dev);
dev->hard_start_xmit = ieee80211_mgmt_start_xmit;
dev->change_mtu = ieee80211_change_mtu_apdev;
dev->open = ieee80211_mgmt_open;
dev->stop = ieee80211_mgmt_stop;
dev->type = ARPHRD_IEEE80211_PRISM;
dev->destructor = ieee80211_if_free;
}
/* regular interfaces */
static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
@ -345,7 +199,6 @@ static int ieee80211_open(struct net_device *dev)
return -ENOLINK;
break;
case IEEE80211_IF_TYPE_AP:
case IEEE80211_IF_TYPE_MGMT:
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_MNTR:
case IEEE80211_IF_TYPE_IBSS:
@ -410,10 +263,6 @@ static int ieee80211_open(struct net_device *dev)
if (local->open_count == 0) {
res = dev_open(local->mdev);
WARN_ON(res);
if (local->apdev) {
res = dev_open(local->apdev);
WARN_ON(res);
}
tasklet_enable(&local->tx_pending_tasklet);
tasklet_enable(&local->tasklet);
}
@ -499,9 +348,6 @@ static int ieee80211_stop(struct net_device *dev)
if (netif_running(local->mdev))
dev_close(local->mdev);
if (local->apdev)
dev_close(local->apdev);
if (local->ops->stop)
local->ops->stop(local_to_hw(local));
@ -550,7 +396,7 @@ static const struct header_ops ieee80211_header_ops = {
.cache_update = eth_header_cache_update,
};
/* Must not be called for mdev and apdev */
/* Must not be called for mdev */
void ieee80211_if_setup(struct net_device *dev)
{
ether_setup(dev);
@ -806,8 +652,6 @@ static void ieee80211_remove_tx_extra(struct ieee80211_local *local,
pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;
if (control->flags & IEEE80211_TXCTL_REQUEUE)
pkt_data->flags |= IEEE80211_TXPD_REQUEUE;
if (control->type == IEEE80211_IF_TYPE_MGMT)
pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE;
pkt_data->queue = control->queue;
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
@ -860,7 +704,6 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_local *local = hw_to_local(hw);
u16 frag, type;
u32 msg_type;
struct ieee80211_tx_status_rtap_hdr *rthdr;
struct ieee80211_sub_if_data *sdata;
int monitors;
@ -975,29 +818,9 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
local->dot11FailedCount++;
}
msg_type = (status->flags & IEEE80211_TX_STATUS_ACK) ?
ieee80211_msg_tx_callback_ack : ieee80211_msg_tx_callback_fail;
/* this was a transmitted frame, but now we want to reuse it */
skb_orphan(skb);
if ((status->control.flags & IEEE80211_TXCTL_REQ_TX_STATUS) &&
local->apdev) {
if (local->monitors) {
skb2 = skb_clone(skb, GFP_ATOMIC);
} else {
skb2 = skb;
skb = NULL;
}
if (skb2)
/* Send frame to hostapd */
ieee80211_rx_mgmt(local, skb2, NULL, msg_type);
if (!skb)
return;
}
if (!local->monitors) {
dev_kfree_skb(skb);
return;
@ -1344,8 +1167,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
BUG_ON(local->reg_state != IEEE80211_DEV_REGISTERED);
local->reg_state = IEEE80211_DEV_UNREGISTERED;
if (local->apdev)
ieee80211_if_del_mgmt(local);
/*
* At this point, interface list manipulations are fine

9
net/mac80211/ieee80211_i.h
View file

@ -141,7 +141,6 @@ struct ieee80211_txrx_data {
* when using CTS protection with IEEE 802.11g. */
struct ieee80211_rate *last_frag_rate;
int last_frag_hwrate;
int mgmt_interface;
/* Extra fragments (in addition to the first fragment
* in skb) */
@ -163,7 +162,6 @@ struct ieee80211_txrx_data {
#define IEEE80211_TXPD_REQ_TX_STATUS BIT(0)
#define IEEE80211_TXPD_DO_NOT_ENCRYPT BIT(1)
#define IEEE80211_TXPD_REQUEUE BIT(2)
#define IEEE80211_TXPD_MGMT_IFACE BIT(3)
/* Stored in sk_buff->cb */
struct ieee80211_tx_packet_data {
int ifindex;
@ -408,7 +406,6 @@ struct ieee80211_local {
struct list_head modes_list;
struct net_device *mdev; /* wmaster# - "master" 802.11 device */
struct net_device *apdev; /* wlan#ap - management frames (hostapd) */
int open_count;
int monitors;
unsigned int filter_flags; /* FIF_* */
@ -704,14 +701,11 @@ static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
int ieee80211_hw_config(struct ieee80211_local *local);
int ieee80211_if_config(struct net_device *dev);
int ieee80211_if_config_beacon(struct net_device *dev);
void ieee80211_rx_mgmt(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_rx_status *status, u32 msg_type);
void ieee80211_prepare_rates(struct ieee80211_local *local,
struct ieee80211_hw_mode *mode);
void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx);
int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr);
void ieee80211_if_setup(struct net_device *dev);
void ieee80211_if_mgmt_setup(struct net_device *dev);
struct ieee80211_rate *ieee80211_get_rate(struct ieee80211_local *local,
int phymode, int hwrate);
@ -778,8 +772,6 @@ void __ieee80211_if_del(struct ieee80211_local *local,
int ieee80211_if_remove(struct net_device *dev, const char *name, int id);
void ieee80211_if_free(struct net_device *dev);
void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata);
int ieee80211_if_add_mgmt(struct ieee80211_local *local);
void ieee80211_if_del_mgmt(struct ieee80211_local *local);
/* regdomain.c */
void ieee80211_regdomain_init(void);
@ -796,7 +788,6 @@ void ieee80211_tx_pending(unsigned long data);
int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev);
int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev);
int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev);
int ieee80211_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev);
/* utility functions/constants */
extern void *mac80211_wiphy_privid; /* for wiphy privid */

66
net/mac80211/ieee80211_iface.c
View file

@ -96,66 +96,6 @@ int ieee80211_if_add(struct net_device *dev, const char *name,
return ret;
}
int ieee80211_if_add_mgmt(struct ieee80211_local *local)
{
struct net_device *ndev;
struct ieee80211_sub_if_data *nsdata;
int ret;
ASSERT_RTNL();
ndev = alloc_netdev(sizeof(struct ieee80211_sub_if_data), "wmgmt%d",
ieee80211_if_mgmt_setup);
if (!ndev)
return -ENOMEM;
ret = dev_alloc_name(ndev, ndev->name);
if (ret < 0)
goto fail;
memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
nsdata = IEEE80211_DEV_TO_SUB_IF(ndev);
ndev->ieee80211_ptr = &nsdata->wdev;
nsdata->wdev.wiphy = local->hw.wiphy;
nsdata->type = IEEE80211_IF_TYPE_MGMT;
nsdata->dev = ndev;
nsdata->local = local;
ieee80211_if_sdata_init(nsdata);
ret = register_netdevice(ndev);
if (ret)
goto fail;
/*
* Called even when register_netdevice fails, it would
* oops if assigned before initialising the rest.
*/
ndev->uninit = ieee80211_if_reinit;
ieee80211_debugfs_add_netdev(nsdata);
if (local->open_count > 0)
dev_open(ndev);
local->apdev = ndev;
return 0;
fail:
free_netdev(ndev);
return ret;
}
void ieee80211_if_del_mgmt(struct ieee80211_local *local)
{
struct net_device *apdev;
ASSERT_RTNL();
apdev = local->apdev;
ieee80211_debugfs_remove_netdev(IEEE80211_DEV_TO_SUB_IF(apdev));
local->apdev = NULL;
unregister_netdevice(apdev);
}
void ieee80211_if_set_type(struct net_device *dev, int type)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@ -247,9 +187,6 @@ void ieee80211_if_reinit(struct net_device *dev)
/* cannot happen */
WARN_ON(1);
break;
case IEEE80211_IF_TYPE_MGMT:
/* nothing to do */
break;
case IEEE80211_IF_TYPE_AP: {
/* Remove all virtual interfaces that use this BSS
* as their sdata->bss */
@ -357,11 +294,8 @@ int ieee80211_if_remove(struct net_device *dev, const char *name, int id)
void ieee80211_if_free(struct net_device *dev)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
/* local->apdev must be NULL when freeing management interface */
BUG_ON(dev == local->apdev);
ieee80211_if_sdata_deinit(sdata);
free_netdev(dev);
}

3
net/mac80211/ieee80211_rate.c
View file

@ -145,8 +145,7 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
struct rate_control_ref *ref, *old;
ASSERT_RTNL();
if (local->open_count || netif_running(local->mdev) ||
(local->apdev && netif_running(local->apdev)))
if (local->open_count || netif_running(local->mdev))
return -EBUSY;
ref = rate_control_alloc(name, local);

2
net/mac80211/ieee80211_rate.h
View file

@ -30,8 +30,6 @@ struct rate_control_extra {
/* parameters from the caller to rate_control_get_rate(): */
struct ieee80211_hw_mode *mode;
int mgmt_data; /* this is data frame that is used for management
* (e.g., IEEE 802.1X EAPOL) */
u16 ethertype;
};

2
net/mac80211/ieee80211_sta.c
View file

@ -473,8 +473,6 @@ static void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
pkt_data->ifindex = sdata->dev->ifindex;
if (sdata->type == IEEE80211_IF_TYPE_MGMT)
pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE;
if (!encrypt)
pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;

32
net/mac80211/rx.c
View file

@ -19,7 +19,6 @@
#include "ieee80211_i.h"
#include "ieee80211_led.h"
#include "ieee80211_common.h"
#include "wep.h"
#include "wpa.h"
#include "tkip.h"
@ -412,12 +411,7 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx)
return TXRX_DROP;
}
if (!rx->local->apdev)
return TXRX_DROP;
ieee80211_rx_mgmt(rx->local, rx->skb, rx->u.rx.status,
ieee80211_msg_sta_not_assoc);
return TXRX_QUEUED;
return TXRX_DROP;
}
return TXRX_CONTINUE;
@ -983,15 +977,8 @@ ieee80211_rx_h_802_1x_pae(struct ieee80211_txrx_data *rx)
{
if (rx->sdata->eapol && ieee80211_is_eapol(rx->skb) &&
rx->sdata->type != IEEE80211_IF_TYPE_STA &&
(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) {
/* Pass both encrypted and unencrypted EAPOL frames to user
* space for processing. */
if (!rx->local->apdev)
return TXRX_DROP;
ieee80211_rx_mgmt(rx->local, rx->skb, rx->u.rx.status,
ieee80211_msg_normal);
return TXRX_QUEUED;
}
(rx->flags & IEEE80211_TXRXD_RXRA_MATCH))
return TXRX_CONTINUE;
if (unlikely(rx->sdata->ieee802_1x &&
(rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
@ -1233,15 +1220,11 @@ ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx)
sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
if ((sdata->type == IEEE80211_IF_TYPE_STA ||
sdata->type == IEEE80211_IF_TYPE_IBSS) &&
!rx->local->user_space_mlme) {
!rx->local->user_space_mlme)
ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status);
} else {
/* Management frames are sent to hostapd for processing */
if (!rx->local->apdev)
return TXRX_DROP;
ieee80211_rx_mgmt(rx->local, rx->skb, rx->u.rx.status,
ieee80211_msg_normal);
}
else
return TXRX_DROP;
return TXRX_QUEUED;
}
@ -1454,7 +1437,6 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
/* take everything */
break;
case IEEE80211_IF_TYPE_INVALID:
case IEEE80211_IF_TYPE_MGMT:
/* should never get here */
WARN_ON(1);
break;

14
net/mac80211/tx.c
View file

@ -258,7 +258,7 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx)
return TXRX_CONTINUE;
}
if (unlikely(!tx->u.tx.mgmt_interface && tx->sdata->ieee802_1x &&
if (unlikely(/* !injected && */ tx->sdata->ieee802_1x &&
!(sta_flags & WLAN_STA_AUTHORIZED))) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
DECLARE_MAC_BUF(mac);
@ -570,8 +570,6 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx)
memset(&extra, 0, sizeof(extra));
extra.mode = tx->u.tx.mode;
extra.mgmt_data = tx->sdata &&
tx->sdata->type == IEEE80211_IF_TYPE_MGMT;
extra.ethertype = tx->ethertype;
tx->u.tx.rate = rate_control_get_rate(tx->local, tx->dev, tx->skb,
@ -1069,7 +1067,7 @@ static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb,
}
static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
struct ieee80211_tx_control *control, int mgmt)
struct ieee80211_tx_control *control)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct sta_info *sta;
@ -1099,7 +1097,6 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
rcu_read_lock();
sta = tx.sta;
tx.u.tx.mgmt_interface = mgmt;
tx.u.tx.mode = local->hw.conf.mode;
if (res_prepare == TXRX_QUEUED) { /* if it was an injected packet */
@ -1250,8 +1247,7 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
control.flags |= IEEE80211_TXCTL_REQUEUE;
control.queue = pkt_data->queue;
ret = ieee80211_tx(odev, skb, &control,
control.type == IEEE80211_IF_TYPE_MGMT);
ret = ieee80211_tx(odev, skb, &control);
dev_put(odev);
return ret;
@ -1496,8 +1492,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
pkt_data = (struct ieee80211_tx_packet_data *)skb->cb;
memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
pkt_data->ifindex = dev->ifindex;
if (sdata->type == IEEE80211_IF_TYPE_MGMT)
pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE;
skb->dev = local->mdev;
dev->stats.tx_packets++;
@ -1555,8 +1549,6 @@ int ieee80211_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev)
pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
pkt_data->ifindex = sdata->dev->ifindex;
if (sdata->type == IEEE80211_IF_TYPE_MGMT)
pkt_data->flags |= IEEE80211_TXPD_MGMT_IFACE;
skb->priority = 20; /* use hardcoded priority for mgmt TX queue */
skb->dev = sdata->local->mdev;

10
net/mac80211/wme.c
View file

@ -94,8 +94,6 @@ static inline int wme_downgrade_ac(struct sk_buff *skb)
static inline int classify80211(struct sk_buff *skb, struct Qdisc *qd)
{
struct ieee80211_local *local = wdev_priv(qd->dev->ieee80211_ptr);
struct ieee80211_tx_packet_data *pkt_data =
(struct ieee80211_tx_packet_data *) skb->cb;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
unsigned short fc = le16_to_cpu(hdr->frame_control);
int qos;
@ -108,12 +106,8 @@ static inline int classify80211(struct sk_buff *skb, struct Qdisc *qd)
return IEEE80211_TX_QUEUE_DATA0;
}
if (unlikely(pkt_data->flags & IEEE80211_TXPD_MGMT_IFACE)) {
/* Data frames from hostapd (mainly, EAPOL) use AC_VO
* and they will include QoS control fields if
* the target STA is using WME. */
skb->priority = 7;
return ieee802_1d_to_ac[skb->priority];
if (0 /* injected */) {
/* use AC from radiotap */
}
/* is this a QoS frame? */