#include <net/cfg80211.h>
#include "ieee80211_i.h"
#include "cfg.h"
+#include "rate.h"
+#include "mesh.h"
-static enum ieee80211_if_types
-nl80211_type_to_mac80211_type(enum nl80211_iftype type)
+static bool nl80211_type_check(enum nl80211_iftype type)
{
switch (type) {
- case NL80211_IFTYPE_UNSPECIFIED:
- return IEEE80211_IF_TYPE_STA;
case NL80211_IFTYPE_ADHOC:
- return IEEE80211_IF_TYPE_IBSS;
case NL80211_IFTYPE_STATION:
- return IEEE80211_IF_TYPE_STA;
case NL80211_IFTYPE_MONITOR:
- return IEEE80211_IF_TYPE_MNTR;
+#ifdef CONFIG_MAC80211_MESH
+ case NL80211_IFTYPE_MESH_POINT:
+#endif
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_WDS:
+ return true;
default:
- return IEEE80211_IF_TYPE_INVALID;
+ return false;
}
}
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;
-
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
- return -ENODEV;
+ struct net_device *dev;
+ struct ieee80211_sub_if_data *sdata;
+ int err;
- itype = nl80211_type_to_mac80211_type(type);
- if (itype == IEEE80211_IF_TYPE_INVALID)
+ if (!nl80211_type_check(type))
return -EINVAL;
- return ieee80211_if_add(local->mdev, name, NULL, itype);
+ err = ieee80211_if_add(local, name, &dev, type, params);
+ if (err || type != NL80211_IFTYPE_MONITOR || !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)
{
- struct ieee80211_local *local = wiphy_priv(wiphy);
struct net_device *dev;
- char *name;
-
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
- return -ENODEV;
+ struct ieee80211_sub_if_data *sdata;
/* we're under RTNL */
dev = __dev_get_by_index(&init_net, ifindex);
if (!dev)
- return 0;
+ return -ENODEV;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- name = dev->name;
+ ieee80211_if_remove(sdata);
- return ieee80211_if_remove(local->mdev, name, -1);
+ return 0;
}
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;
- enum ieee80211_if_types itype;
struct ieee80211_sub_if_data *sdata;
-
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
- return -ENODEV;
+ int ret;
/* we're under RTNL */
dev = __dev_get_by_index(&init_net, ifindex);
if (!dev)
return -ENODEV;
- if (netif_running(dev))
- return -EBUSY;
-
- itype = nl80211_type_to_mac80211_type(type);
- if (itype == IEEE80211_IF_TYPE_INVALID)
+ if (!nl80211_type_check(type))
return -EINVAL;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
- return -EOPNOTSUPP;
+ ret = ieee80211_if_change_type(sdata, type);
+ if (ret)
+ return ret;
+
+ if (netif_running(sdata->dev))
+ return -EBUSY;
+
+ if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
+ ieee80211_sdata_set_mesh_id(sdata,
+ params->mesh_id_len,
+ params->mesh_id);
- ieee80211_if_reinit(dev);
- ieee80211_if_set_type(dev, itype);
+ if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
+ return 0;
+ sdata->u.mntr_flags = *flags;
return 0;
}
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta = NULL;
enum ieee80211_key_alg alg;
- int ret;
+ struct ieee80211_key *key;
+ int err;
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;
+
+ rcu_read_lock();
+
if (mac_addr) {
sta = sta_info_get(sdata->local, mac_addr);
- if (!sta)
- return -ENOENT;
+ if (!sta) {
+ ieee80211_key_free(key);
+ err = -ENOENT;
+ goto out_unlock;
+ }
}
- ret = 0;
- if (!ieee80211_key_alloc(sdata, sta, alg, key_idx,
- params->key_len, params->key))
- ret = -ENOMEM;
+ ieee80211_key_link(key, sdata, sta);
- if (sta)
- sta_info_put(sta);
+ err = 0;
+ out_unlock:
+ rcu_read_unlock();
- return ret;
+ return err;
}
static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ rcu_read_lock();
+
if (mac_addr) {
+ ret = -ENOENT;
+
sta = sta_info_get(sdata->local, mac_addr);
if (!sta)
- return -ENOENT;
+ goto out_unlock;
- ret = 0;
- if (sta->key)
+ if (sta->key) {
ieee80211_key_free(sta->key);
- else
- ret = -ENOENT;
+ WARN_ON(sta->key);
+ ret = 0;
+ }
- sta_info_put(sta);
- return ret;
+ goto out_unlock;
}
- if (!sdata->keys[key_idx])
- return -ENOENT;
+ if (!sdata->keys[key_idx]) {
+ ret = -ENOENT;
+ goto out_unlock;
+ }
ieee80211_key_free(sdata->keys[key_idx]);
+ WARN_ON(sdata->keys[key_idx]);
- return 0;
+ ret = 0;
+ out_unlock:
+ rcu_read_unlock();
+
+ return ret;
}
static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
void (*callback)(void *cookie,
struct key_params *params))
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata;
struct sta_info *sta = NULL;
u8 seq[6] = {0};
struct key_params params;
u16 iv16;
int err = -ENOENT;
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ rcu_read_lock();
+
if (mac_addr) {
sta = sta_info_get(sdata->local, mac_addr);
if (!sta)
case ALG_TKIP:
params.cipher = WLAN_CIPHER_SUITE_TKIP;
- iv32 = key->u.tkip.iv32;
- iv16 = key->u.tkip.iv16;
+ iv32 = key->u.tkip.tx.iv32;
+ iv16 = key->u.tkip.tx.iv16;
if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
sdata->local->ops->get_tkip_seq)
err = 0;
out:
- if (sta)
- sta_info_put(sta);
+ rcu_read_unlock();
return err;
}
{
struct ieee80211_sub_if_data *sdata;
+ rcu_read_lock();
+
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
ieee80211_set_default_key(sdata, key_idx);
+ rcu_read_unlock();
+
return 0;
}
+static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
+{
+ struct ieee80211_sub_if_data *sdata = sta->sdata;
+
+ sinfo->filled = STATION_INFO_INACTIVE_TIME |
+ STATION_INFO_RX_BYTES |
+ STATION_INFO_TX_BYTES |
+ STATION_INFO_TX_BITRATE;
+
+ sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
+ sinfo->rx_bytes = sta->rx_bytes;
+ sinfo->tx_bytes = sta->tx_bytes;
+
+ if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
+ sinfo->filled |= STATION_INFO_SIGNAL;
+ sinfo->signal = (s8)sta->last_signal;
+ }
+
+ sinfo->txrate.flags = 0;
+ if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
+ sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
+ if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+ if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
+ sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+
+ if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
+ struct ieee80211_supported_band *sband;
+ sband = sta->local->hw.wiphy->bands[
+ sta->local->hw.conf.channel->band];
+ sinfo->txrate.legacy =
+ sband->bitrates[sta->last_tx_rate.idx].bitrate;
+ } else
+ sinfo->txrate.mcs = sta->last_tx_rate.idx;
+
+ if (ieee80211_vif_is_mesh(&sdata->vif)) {
+#ifdef CONFIG_MAC80211_MESH
+ sinfo->filled |= STATION_INFO_LLID |
+ STATION_INFO_PLID |
+ STATION_INFO_PLINK_STATE;
+
+ sinfo->llid = le16_to_cpu(sta->llid);
+ sinfo->plid = le16_to_cpu(sta->plid);
+ sinfo->plink_state = sta->plink_state;
+#endif
+ }
+}
+
+
+static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
+ int idx, u8 *mac, struct station_info *sinfo)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct sta_info *sta;
+ int ret = -ENOENT;
+
+ rcu_read_lock();
+
+ sta = sta_info_get_by_idx(local, idx, dev);
+ if (sta) {
+ ret = 0;
+ memcpy(mac, sta->sta.addr, ETH_ALEN);
+ sta_set_sinfo(sta, sinfo);
+ }
+
+ rcu_read_unlock();
+
+ return ret;
+}
+
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;
+ int ret = -ENOENT;
- sta = sta_info_get(local, mac);
- if (!sta)
- return -ENOENT;
+ rcu_read_lock();
/* XXX: verify sta->dev == dev */
- stats->filled = STATION_STAT_INACTIVE_TIME |
- STATION_STAT_RX_BYTES |
- STATION_STAT_TX_BYTES;
-
- stats->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
- stats->rx_bytes = sta->rx_bytes;
- stats->tx_bytes = sta->tx_bytes;
+ sta = sta_info_get(local, mac);
+ if (sta) {
+ ret = 0;
+ sta_set_sinfo(sta, sinfo);
+ }
- sta_info_put(sta);
+ rcu_read_unlock();
- return 0;
+ return ret;
}
/*
*/
if (params->interval) {
sdata->local->hw.conf.beacon_int = params->interval;
- if (ieee80211_hw_config(sdata->local))
- return -EINVAL;
+ err = ieee80211_hw_config(sdata->local,
+ IEEE80211_CONF_CHANGE_BEACON_INTERVAL);
+ if (err < 0)
+ return err;
/*
* We updated some parameter so if below bails out
* it's not an error.
kfree(old);
- return ieee80211_if_config_beacon(sdata->dev);
+ return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
}
static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
struct beacon_parameters *params)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata;
struct beacon_data *old;
- if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_AP)
return -EINVAL;
old = sdata->u.ap.beacon;
static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
struct beacon_parameters *params)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata;
struct beacon_data *old;
- if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_AP)
return -EINVAL;
old = sdata->u.ap.beacon;
static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata;
struct beacon_data *old;
- if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_AP)
return -EINVAL;
old = sdata->u.ap.beacon;
synchronize_rcu();
kfree(old);
- return ieee80211_if_config_beacon(dev);
+ return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+}
+
+/* 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->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->sdata->dev;
+ skb->protocol = eth_type_trans(skb, sta->sdata->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;
+ struct ieee80211_sub_if_data *sdata = sta->sdata;
+
+ sband = local->hw.wiphy->bands[local->oper_channel->band];
+
+ /*
+ * FIXME: updating the flags is racy when this function is
+ * called from ieee80211_change_station(), this will
+ * be resolved in a future patch.
+ */
+
+ if (params->station_flags & STATION_FLAG_CHANGED) {
+ spin_lock_bh(&sta->lock);
+ 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;
+ spin_unlock_bh(&sta->lock);
+ }
+
+ /*
+ * FIXME: updating the following information is racy when this
+ * function is called from ieee80211_change_station().
+ * However, all this information should be static so
+ * maybe we should just reject attemps to change it.
+ */
+
+ if (params->aid) {
+ sta->sta.aid = params->aid;
+ if (sta->sta.aid > IEEE80211_MAX_AID)
+ sta->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;
+
+ 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->sta.supp_rates[local->oper_channel->band] = rates;
+ }
+
+ if (params->ht_capa)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+ params->ht_capa,
+ &sta->sta.ht_cap);
+
+ if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
+ switch (params->plink_action) {
+ case PLINK_ACTION_OPEN:
+ mesh_plink_open(sta);
+ break;
+ case PLINK_ACTION_BLOCK:
+ mesh_plink_block(sta);
+ break;
+ }
+ }
+}
+
+static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
+ u8 *mac, struct station_parameters *params)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct sta_info *sta;
+ struct ieee80211_sub_if_data *sdata;
+ int err;
+ int layer2_update;
+
+ /* 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 != NL80211_IFTYPE_AP_VLAN &&
+ sdata->vif.type != NL80211_IFTYPE_AP)
+ return -EINVAL;
+ } else
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (compare_ether_addr(mac, dev->dev_addr) == 0)
+ return -EINVAL;
+
+ if (is_multicast_ether_addr(mac))
+ return -EINVAL;
+
+ sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
+ if (!sta)
+ return -ENOMEM;
+
+ sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
+
+ sta_apply_parameters(local, sta, params);
+
+ rate_control_rate_init(sta);
+
+ layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+ sdata->vif.type == NL80211_IFTYPE_AP;
+
+ rcu_read_lock();
+
+ err = sta_info_insert(sta);
+ if (err) {
+ /* STA has been freed */
+ if (err == -EEXIST && layer2_update) {
+ /* Need to update layer 2 devices on reassociation */
+ sta = sta_info_get(local, mac);
+ if (sta)
+ ieee80211_send_layer2_update(sta);
+ }
+ rcu_read_unlock();
+ return err;
+ }
+
+ if (layer2_update)
+ ieee80211_send_layer2_update(sta);
+
+ rcu_read_unlock();
+
+ return 0;
+}
+
+static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
+ u8 *mac)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata;
+ struct sta_info *sta;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (mac) {
+ rcu_read_lock();
+
+ /* XXX: get sta belonging to dev */
+ sta = sta_info_get(local, mac);
+ if (!sta) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
+
+ sta_info_unlink(&sta);
+ rcu_read_unlock();
+
+ sta_info_destroy(sta);
+ } else
+ sta_info_flush(local, sdata);
+
+ return 0;
+}
+
+static int ieee80211_change_station(struct wiphy *wiphy,
+ struct net_device *dev,
+ u8 *mac,
+ struct station_parameters *params)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct sta_info *sta;
+ struct ieee80211_sub_if_data *vlansdata;
+
+ rcu_read_lock();
+
+ /* XXX: get sta belonging to dev */
+ sta = sta_info_get(local, mac);
+ if (!sta) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
+
+ if (params->vlan && params->vlan != sta->sdata->dev) {
+ vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
+
+ if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+ vlansdata->vif.type != NL80211_IFTYPE_AP) {
+ rcu_read_unlock();
+ return -EINVAL;
+ }
+
+ sta->sdata = vlansdata;
+ ieee80211_send_layer2_update(sta);
+ }
+
+ sta_apply_parameters(local, sta, params);
+
+ rcu_read_unlock();
+
+ return 0;
+}
+
+#ifdef CONFIG_MAC80211_MESH
+static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
+ u8 *dst, u8 *next_hop)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata;
+ struct mesh_path *mpath;
+ struct sta_info *sta;
+ int err;
+
+ if (!netif_running(dev))
+ return -ENETDOWN;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+ return -ENOTSUPP;
+
+ rcu_read_lock();
+ sta = sta_info_get(local, next_hop);
+ if (!sta) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
+
+ err = mesh_path_add(dst, sdata);
+ if (err) {
+ rcu_read_unlock();
+ return err;
+ }
+
+ mpath = mesh_path_lookup(dst, sdata);
+ if (!mpath) {
+ rcu_read_unlock();
+ return -ENXIO;
+ }
+ mesh_path_fix_nexthop(mpath, sta);
+
+ rcu_read_unlock();
+ return 0;
+}
+
+static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
+ u8 *dst)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (dst)
+ return mesh_path_del(dst, sdata);
+
+ mesh_path_flush(sdata);
+ return 0;
+}
+
+static int ieee80211_change_mpath(struct wiphy *wiphy,
+ struct net_device *dev,
+ u8 *dst, u8 *next_hop)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata;
+ struct mesh_path *mpath;
+ struct sta_info *sta;
+
+ if (!netif_running(dev))
+ return -ENETDOWN;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+ return -ENOTSUPP;
+
+ rcu_read_lock();
+
+ sta = sta_info_get(local, next_hop);
+ if (!sta) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
+
+ mpath = mesh_path_lookup(dst, sdata);
+ if (!mpath) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
+
+ mesh_path_fix_nexthop(mpath, sta);
+
+ rcu_read_unlock();
+ return 0;
+}
+
+static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
+ struct mpath_info *pinfo)
+{
+ if (mpath->next_hop)
+ memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
+ else
+ memset(next_hop, 0, ETH_ALEN);
+
+ pinfo->filled = MPATH_INFO_FRAME_QLEN |
+ MPATH_INFO_DSN |
+ MPATH_INFO_METRIC |
+ MPATH_INFO_EXPTIME |
+ MPATH_INFO_DISCOVERY_TIMEOUT |
+ MPATH_INFO_DISCOVERY_RETRIES |
+ MPATH_INFO_FLAGS;
+
+ pinfo->frame_qlen = mpath->frame_queue.qlen;
+ pinfo->dsn = mpath->dsn;
+ pinfo->metric = mpath->metric;
+ if (time_before(jiffies, mpath->exp_time))
+ pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
+ pinfo->discovery_timeout =
+ jiffies_to_msecs(mpath->discovery_timeout);
+ pinfo->discovery_retries = mpath->discovery_retries;
+ pinfo->flags = 0;
+ if (mpath->flags & MESH_PATH_ACTIVE)
+ pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
+ if (mpath->flags & MESH_PATH_RESOLVING)
+ pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
+ if (mpath->flags & MESH_PATH_DSN_VALID)
+ pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
+ if (mpath->flags & MESH_PATH_FIXED)
+ pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
+ if (mpath->flags & MESH_PATH_RESOLVING)
+ pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
+
+ pinfo->flags = mpath->flags;
+}
+
+static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
+ u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
+
+{
+ struct ieee80211_sub_if_data *sdata;
+ struct mesh_path *mpath;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+ return -ENOTSUPP;
+
+ rcu_read_lock();
+ mpath = mesh_path_lookup(dst, sdata);
+ if (!mpath) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
+ memcpy(dst, mpath->dst, ETH_ALEN);
+ mpath_set_pinfo(mpath, next_hop, pinfo);
+ rcu_read_unlock();
+ return 0;
+}
+
+static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
+ int idx, u8 *dst, u8 *next_hop,
+ struct mpath_info *pinfo)
+{
+ struct ieee80211_sub_if_data *sdata;
+ struct mesh_path *mpath;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+ return -ENOTSUPP;
+
+ rcu_read_lock();
+ mpath = mesh_path_lookup_by_idx(idx, sdata);
+ if (!mpath) {
+ rcu_read_unlock();
+ return -ENOENT;
+ }
+ memcpy(dst, mpath->dst, ETH_ALEN);
+ mpath_set_pinfo(mpath, next_hop, pinfo);
+ rcu_read_unlock();
+ return 0;
+}
+
+static int ieee80211_get_mesh_params(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct mesh_config *conf)
+{
+ struct ieee80211_sub_if_data *sdata;
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+ return -ENOTSUPP;
+ memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
+ return 0;
+}
+
+static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
+{
+ return (mask >> (parm-1)) & 0x1;
+}
+
+static int ieee80211_set_mesh_params(struct wiphy *wiphy,
+ struct net_device *dev,
+ const struct mesh_config *nconf, u32 mask)
+{
+ struct mesh_config *conf;
+ struct ieee80211_sub_if_data *sdata;
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+ return -ENOTSUPP;
+
+ /* Set the config options which we are interested in setting */
+ conf = &(sdata->u.mesh.mshcfg);
+ if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
+ conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
+ conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
+ conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
+ conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
+ if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
+ conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
+ if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
+ conf->dot11MeshTTL = nconf->dot11MeshTTL;
+ if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
+ conf->auto_open_plinks = nconf->auto_open_plinks;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
+ conf->dot11MeshHWMPmaxPREQretries =
+ nconf->dot11MeshHWMPmaxPREQretries;
+ if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
+ conf->path_refresh_time = nconf->path_refresh_time;
+ if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
+ conf->min_discovery_timeout = nconf->min_discovery_timeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
+ conf->dot11MeshHWMPactivePathTimeout =
+ nconf->dot11MeshHWMPactivePathTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
+ conf->dot11MeshHWMPpreqMinInterval =
+ nconf->dot11MeshHWMPpreqMinInterval;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+ mask))
+ conf->dot11MeshHWMPnetDiameterTraversalTime =
+ nconf->dot11MeshHWMPnetDiameterTraversalTime;
+ return 0;
+}
+
+#endif
+
+static int ieee80211_change_bss(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct bss_parameters *params)
+{
+ struct ieee80211_sub_if_data *sdata;
+ u32 changed = 0;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_AP)
+ return -EINVAL;
+
+ if (params->use_cts_prot >= 0) {
+ sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
+ changed |= BSS_CHANGED_ERP_CTS_PROT;
+ }
+ if (params->use_short_preamble >= 0) {
+ sdata->vif.bss_conf.use_short_preamble =
+ params->use_short_preamble;
+ changed |= BSS_CHANGED_ERP_PREAMBLE;
+ }
+ if (params->use_short_slot_time >= 0) {
+ sdata->vif.bss_conf.use_short_slot =
+ params->use_short_slot_time;
+ changed |= BSS_CHANGED_ERP_SLOT;
+ }
+
+ if (params->basic_rates) {
+ int i, j;
+ u32 rates = 0;
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_supported_band *sband =
+ wiphy->bands[local->oper_channel->band];
+
+ for (i = 0; i < params->basic_rates_len; i++) {
+ int rate = (params->basic_rates[i] & 0x7f) * 5;
+ for (j = 0; j < sband->n_bitrates; j++) {
+ if (sband->bitrates[j].bitrate == rate)
+ rates |= BIT(j);
+ }
+ }
+ sdata->vif.bss_conf.basic_rates = rates;
+ changed |= BSS_CHANGED_BASIC_RATES;
+ }
+
+ ieee80211_bss_info_change_notify(sdata, changed);
+
+ return 0;
+}
+
+static int ieee80211_set_txq_params(struct wiphy *wiphy,
+ struct ieee80211_txq_params *params)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_tx_queue_params p;
+
+ if (!local->ops->conf_tx)
+ return -EOPNOTSUPP;
+
+ memset(&p, 0, sizeof(p));
+ p.aifs = params->aifs;
+ p.cw_max = params->cwmax;
+ p.cw_min = params->cwmin;
+ p.txop = params->txop;
+ if (local->ops->conf_tx(local_to_hw(local), params->queue, &p)) {
+ printk(KERN_DEBUG "%s: failed to set TX queue "
+ "parameters for queue %d\n", local->mdev->name,
+ params->queue);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int ieee80211_set_channel(struct wiphy *wiphy,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ local->oper_channel = chan;
+ local->oper_channel_type = channel_type;
+
+ return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
}
struct cfg80211_ops mac80211_config_ops = {
.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,
+ .dump_station = ieee80211_dump_station,
+#ifdef CONFIG_MAC80211_MESH
+ .add_mpath = ieee80211_add_mpath,
+ .del_mpath = ieee80211_del_mpath,
+ .change_mpath = ieee80211_change_mpath,
+ .get_mpath = ieee80211_get_mpath,
+ .dump_mpath = ieee80211_dump_mpath,
+ .set_mesh_params = ieee80211_set_mesh_params,
+ .get_mesh_params = ieee80211_get_mesh_params,
+#endif
+ .change_bss = ieee80211_change_bss,
+ .set_txq_params = ieee80211_set_txq_params,
+ .set_channel = ieee80211_set_channel,
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff