#include <net/cfg80211.h>
#include "ieee80211_i.h"
#include "cfg.h"
+#include "ieee80211_rate.h"
static enum ieee80211_if_types
nl80211_type_to_mac80211_type(enum nl80211_iftype type)
}
static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
- enum nl80211_iftype type)
+ enum nl80211_iftype type, u32 *flags,
+ struct vif_params *params)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
enum ieee80211_if_types itype;
+ struct net_device *dev;
+ struct ieee80211_sub_if_data *sdata;
+ int err;
if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
return -ENODEV;
if (itype == IEEE80211_IF_TYPE_INVALID)
return -EINVAL;
- return ieee80211_if_add(local->mdev, name, NULL, itype);
+ err = ieee80211_if_add(local->mdev, name, &dev, itype);
+ if (err || itype != IEEE80211_IF_TYPE_MNTR || !flags)
+ return err;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ sdata->u.mntr_flags = *flags;
+ return 0;
}
static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
}
static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
- enum nl80211_iftype type)
+ enum nl80211_iftype type, u32 *flags,
+ struct vif_params *params)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct net_device *dev;
ieee80211_if_reinit(dev);
ieee80211_if_set_type(dev, itype);
+ if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR || !flags)
+ return 0;
+
+ sdata->u.mntr_flags = *flags;
return 0;
}
struct sta_info *sta = NULL;
enum ieee80211_key_alg alg;
int ret;
+ struct ieee80211_key *key;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
return -EINVAL;
}
+ key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key);
+ if (!key)
+ return -ENOMEM;
+
if (mac_addr) {
sta = sta_info_get(sdata->local, mac_addr);
- if (!sta)
+ if (!sta) {
+ ieee80211_key_free(key);
return -ENOENT;
+ }
}
+ ieee80211_key_link(key, sdata, sta);
+
ret = 0;
- if (!ieee80211_key_alloc(sdata, sta, alg, key_idx,
- params->key_len, params->key))
- ret = -ENOMEM;
if (sta)
sta_info_put(sta);
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
int ret;
+ struct ieee80211_key *key;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
return -ENOENT;
ret = 0;
- if (sta->key)
- ieee80211_key_free(sta->key);
- else
+ if (sta->key) {
+ key = sta->key;
+ ieee80211_key_free(key);
+ WARN_ON(sta->key);
+ } else
ret = -ENOENT;
sta_info_put(sta);
if (!sdata->keys[key_idx])
return -ENOENT;
- ieee80211_key_free(sdata->keys[key_idx]);
+ key = sdata->keys[key_idx];
+ ieee80211_key_free(key);
+ WARN_ON(sdata->keys[key_idx]);
return 0;
}
}
static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
- u8 *mac, struct station_stats *stats)
+ u8 *mac, struct station_info *sinfo)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct sta_info *sta;
/* XXX: verify sta->dev == dev */
- stats->filled = STATION_STAT_INACTIVE_TIME |
- STATION_STAT_RX_BYTES |
- STATION_STAT_TX_BYTES;
+ sinfo->filled = STATION_INFO_INACTIVE_TIME |
+ STATION_INFO_RX_BYTES |
+ STATION_INFO_TX_BYTES;
- stats->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
- stats->rx_bytes = sta->rx_bytes;
- stats->tx_bytes = sta->tx_bytes;
+ sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
+ sinfo->rx_bytes = sta->rx_bytes;
+ sinfo->tx_bytes = sta->tx_bytes;
sta_info_put(sta);
return ieee80211_if_config_beacon(dev);
}
+/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
+struct iapp_layer2_update {
+ u8 da[ETH_ALEN]; /* broadcast */
+ u8 sa[ETH_ALEN]; /* STA addr */
+ __be16 len; /* 6 */
+ u8 dsap; /* 0 */
+ u8 ssap; /* 0 */
+ u8 control;
+ u8 xid_info[3];
+} __attribute__ ((packed));
+
+static void ieee80211_send_layer2_update(struct sta_info *sta)
+{
+ struct iapp_layer2_update *msg;
+ struct sk_buff *skb;
+
+ /* Send Level 2 Update Frame to update forwarding tables in layer 2
+ * bridge devices */
+
+ skb = dev_alloc_skb(sizeof(*msg));
+ if (!skb)
+ return;
+ msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
+
+ /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
+ * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
+
+ memset(msg->da, 0xff, ETH_ALEN);
+ memcpy(msg->sa, sta->addr, ETH_ALEN);
+ msg->len = htons(6);
+ msg->dsap = 0;
+ msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
+ msg->control = 0xaf; /* XID response lsb.1111F101.
+ * F=0 (no poll command; unsolicited frame) */
+ msg->xid_info[0] = 0x81; /* XID format identifier */
+ msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
+ msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
+
+ skb->dev = sta->dev;
+ skb->protocol = eth_type_trans(skb, sta->dev);
+ memset(skb->cb, 0, sizeof(skb->cb));
+ netif_rx(skb);
+}
+
+static void sta_apply_parameters(struct ieee80211_local *local,
+ struct sta_info *sta,
+ struct station_parameters *params)
+{
+ u32 rates;
+ int i, j;
+ struct ieee80211_supported_band *sband;
+
+ if (params->station_flags & STATION_FLAG_CHANGED) {
+ sta->flags &= ~WLAN_STA_AUTHORIZED;
+ if (params->station_flags & STATION_FLAG_AUTHORIZED)
+ sta->flags |= WLAN_STA_AUTHORIZED;
+
+ sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
+ if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE)
+ sta->flags |= WLAN_STA_SHORT_PREAMBLE;
+
+ sta->flags &= ~WLAN_STA_WME;
+ if (params->station_flags & STATION_FLAG_WME)
+ sta->flags |= WLAN_STA_WME;
+ }
+
+ if (params->aid) {
+ sta->aid = params->aid;
+ if (sta->aid > IEEE80211_MAX_AID)
+ sta->aid = 0; /* XXX: should this be an error? */
+ }
+
+ if (params->listen_interval >= 0)
+ sta->listen_interval = params->listen_interval;
+
+ if (params->supported_rates) {
+ rates = 0;
+ sband = local->hw.wiphy->bands[local->oper_channel->band];
+
+ for (i = 0; i < params->supported_rates_len; i++) {
+ int rate = (params->supported_rates[i] & 0x7f) * 5;
+ for (j = 0; j < sband->n_bitrates; j++) {
+ if (sband->bitrates[j].bitrate == rate)
+ rates |= BIT(j);
+ }
+ }
+ sta->supp_rates[local->oper_channel->band] = rates;
+ }
+}
+
+static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
+ u8 *mac, struct station_parameters *params)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct sta_info *sta;
+ struct ieee80211_sub_if_data *sdata;
+
+ /* Prevent a race with changing the rate control algorithm */
+ if (!netif_running(dev))
+ return -ENETDOWN;
+
+ if (params->vlan) {
+ sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
+
+ if (sdata->vif.type != IEEE80211_IF_TYPE_VLAN ||
+ sdata->vif.type != IEEE80211_IF_TYPE_AP)
+ return -EINVAL;
+ } else
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ sta = sta_info_add(local, dev, mac, GFP_KERNEL);
+ if (IS_ERR(sta))
+ return PTR_ERR(sta);
+
+ sta->dev = sdata->dev;
+ if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN ||
+ sdata->vif.type == IEEE80211_IF_TYPE_AP)
+ ieee80211_send_layer2_update(sta);
+
+ sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
+
+ sta_apply_parameters(local, sta, params);
+
+ rate_control_rate_init(sta, local);
+
+ sta_info_put(sta);
+
+ return 0;
+}
+
+static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
+ u8 *mac)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct sta_info *sta;
+
+ if (mac) {
+ /* XXX: get sta belonging to dev */
+ sta = sta_info_get(local, mac);
+ if (!sta)
+ return -ENOENT;
+
+ sta_info_free(sta);
+ sta_info_put(sta);
+ } else
+ sta_info_flush(local, dev);
+
+ return 0;
+}
+
+static int ieee80211_change_station(struct wiphy *wiphy,
+ struct net_device *dev,
+ u8 *mac,
+ struct station_parameters *params)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct sta_info *sta;
+ struct ieee80211_sub_if_data *vlansdata;
+
+ /* XXX: get sta belonging to dev */
+ sta = sta_info_get(local, mac);
+ if (!sta)
+ return -ENOENT;
+
+ if (params->vlan && params->vlan != sta->dev) {
+ vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
+
+ if (vlansdata->vif.type != IEEE80211_IF_TYPE_VLAN ||
+ vlansdata->vif.type != IEEE80211_IF_TYPE_AP)
+ return -EINVAL;
+
+ sta->dev = params->vlan;
+ ieee80211_send_layer2_update(sta);
+ }
+
+ sta_apply_parameters(local, sta, params);
+
+ sta_info_put(sta);
+
+ return 0;
+}
+
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
.add_beacon = ieee80211_add_beacon,
.set_beacon = ieee80211_set_beacon,
.del_beacon = ieee80211_del_beacon,
+ .add_station = ieee80211_add_station,
+ .del_station = ieee80211_del_station,
+ .change_station = ieee80211_change_station,
.get_station = ieee80211_get_station,
};
projects / linux-2.6 / blobdiff