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,
#include <net/net_namespace.h>
#include <net/cfg80211.h>
-#include "ieee80211_common.h"
#include "ieee80211_i.h"
#include "ieee80211_rate.h"
#include "wep.h"
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)
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:
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);
}
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));
.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);
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);
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;
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;
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
* 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) */
#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;
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_* */
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);
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);
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 */
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);
/* 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 */
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);
}
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);
/* 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;
};
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;
#include "ieee80211_i.h"
#include "ieee80211_led.h"
-#include "ieee80211_common.h"
#include "wep.h"
#include "wpa.h"
#include "tkip.h"
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;
{
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 &&
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;
}
/* take everything */
break;
case IEEE80211_IF_TYPE_INVALID:
- case IEEE80211_IF_TYPE_MGMT:
/* should never get here */
WARN_ON(1);
break;
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);
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,
}
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;
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 */
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;
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++;
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;
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;
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? */
projects / linux-2.6 / commitdiff