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https://github.com/edk2-porting/linux-next.git
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mac80211: mesh path and mesh peer configuration
This adds code to allow adding mesh interfaces and configuring mesh peers etc. Also, it adds code for station dumping. Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis Carlos Cobo
John W. Linville
parent
9f42f60705
commit
c5dd9c2bd0
@ -15,6 +15,11 @@
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#include "ieee80211_i.h"
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#include "cfg.h"
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#include "ieee80211_rate.h"
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#ifdef CONFIG_MAC80211_MESH
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#include "mesh.h"
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#endif
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#define DEFAULT_RATES 0
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static enum ieee80211_if_types
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nl80211_type_to_mac80211_type(enum nl80211_iftype type)
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@ -28,6 +33,10 @@ nl80211_type_to_mac80211_type(enum nl80211_iftype type)
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return IEEE80211_IF_TYPE_STA;
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case NL80211_IFTYPE_MONITOR:
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return IEEE80211_IF_TYPE_MNTR;
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#ifdef CONFIG_MAC80211_MESH
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case NL80211_IFTYPE_MESH_POINT:
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return IEEE80211_IF_TYPE_MESH_POINT;
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#endif
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default:
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return IEEE80211_IF_TYPE_INVALID;
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}
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@ -110,6 +119,15 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
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ieee80211_if_reinit(dev);
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ieee80211_if_set_type(dev, itype);
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#ifdef CONFIG_MAC80211_MESH
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if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT &&
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params->mesh_id_len) {
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sdata->u.sta.mesh_id_len = params->mesh_id_len;
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memcpy(sdata->u.sta.mesh_id, params->mesh_id,
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params->mesh_id_len);
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}
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#endif
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if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR || !flags)
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return 0;
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@ -297,6 +315,51 @@ static int ieee80211_config_default_key(struct wiphy *wiphy,
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return 0;
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}
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static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
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{
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#ifdef CONFIG_MAC80211_MESH
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
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#endif
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sinfo->filled = STATION_INFO_INACTIVE_TIME |
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STATION_INFO_RX_BYTES |
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STATION_INFO_TX_BYTES;
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sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
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sinfo->rx_bytes = sta->rx_bytes;
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sinfo->tx_bytes = sta->tx_bytes;
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#ifdef CONFIG_MAC80211_MESH
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if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) {
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sinfo->filled |= STATION_INFO_LLID |
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STATION_INFO_PLID |
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STATION_INFO_PLINK_STATE;
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sinfo->llid = le16_to_cpu(sta->llid);
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sinfo->plid = le16_to_cpu(sta->plid);
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sinfo->plink_state = sta->plink_state;
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}
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#endif
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}
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static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
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int idx, u8 *mac, struct station_info *sinfo)
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{
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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struct sta_info *sta;
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sta = sta_info_get_by_idx(local, idx, dev);
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if (!sta)
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return -ENOENT;
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memcpy(mac, sta->addr, ETH_ALEN);
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sta_set_sinfo(sta, sinfo);
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sta_info_put(sta);
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return 0;
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}
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static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
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u8 *mac, struct station_info *sinfo)
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{
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@ -308,15 +371,7 @@ static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
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return -ENOENT;
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/* XXX: verify sta->dev == dev */
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sinfo->filled = STATION_INFO_INACTIVE_TIME |
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STATION_INFO_RX_BYTES |
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STATION_INFO_TX_BYTES;
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sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
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sinfo->rx_bytes = sta->rx_bytes;
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sinfo->tx_bytes = sta->tx_bytes;
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sta_set_sinfo(sta, sinfo);
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sta_info_put(sta);
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return 0;
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@ -525,6 +580,9 @@ static void sta_apply_parameters(struct ieee80211_local *local,
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u32 rates;
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int i, j;
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struct ieee80211_supported_band *sband;
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#ifdef CONFIG_MAC80211_MESH
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
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#endif
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if (params->station_flags & STATION_FLAG_CHANGED) {
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sta->flags &= ~WLAN_STA_AUTHORIZED;
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@ -562,6 +620,19 @@ static void sta_apply_parameters(struct ieee80211_local *local,
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}
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sta->supp_rates[local->oper_channel->band] = rates;
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}
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#ifdef CONFIG_MAC80211_MESH
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if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT &&
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params->plink_action)
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switch (params->plink_action) {
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case PLINK_ACTION_OPEN:
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mesh_plink_open(sta);
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break;
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case PLINK_ACTION_BLOCK:
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mesh_plink_block(sta);
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break;
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}
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#endif
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}
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static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
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@ -584,7 +655,13 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
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} else
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sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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sta = sta_info_add(local, dev, mac, GFP_KERNEL);
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#ifdef CONFIG_MAC80211_MESH
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if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
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sta = mesh_plink_add(mac, DEFAULT_RATES, dev);
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else
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#endif
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sta = sta_info_add(local, dev, mac, GFP_KERNEL);
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if (IS_ERR(sta))
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return PTR_ERR(sta);
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@ -656,6 +733,170 @@ static int ieee80211_change_station(struct wiphy *wiphy,
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return 0;
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}
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#ifdef CONFIG_MAC80211_MESH
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static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
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u8 *dst, u8 *next_hop)
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{
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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struct mesh_path *mpath;
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struct sta_info *sta;
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int err;
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if (!netif_running(dev))
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return -ENETDOWN;
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if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)
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return -ENOTSUPP;
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sta = sta_info_get(local, next_hop);
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if (!sta)
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return -ENOENT;
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err = mesh_path_add(dst, dev);
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if (err)
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return err;
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rcu_read_lock();
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mpath = mesh_path_lookup(dst, dev);
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if (!mpath) {
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rcu_read_unlock();
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sta_info_put(sta);
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return -ENXIO;
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}
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mesh_path_fix_nexthop(mpath, sta);
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sta_info_put(sta);
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rcu_read_unlock();
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return 0;
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}
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static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
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u8 *dst)
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{
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if (dst)
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return mesh_path_del(dst, dev);
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mesh_path_flush(dev);
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return 0;
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}
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static int ieee80211_change_mpath(struct wiphy *wiphy,
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struct net_device *dev,
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u8 *dst, u8 *next_hop)
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{
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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struct mesh_path *mpath;
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struct sta_info *sta;
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if (!netif_running(dev))
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return -ENETDOWN;
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if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)
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return -ENOTSUPP;
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sta = sta_info_get(local, next_hop);
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if (!sta)
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return -ENOENT;
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rcu_read_lock();
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mpath = mesh_path_lookup(dst, dev);
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if (!mpath) {
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rcu_read_unlock();
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sta_info_put(sta);
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return -ENOENT;
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}
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mesh_path_fix_nexthop(mpath, sta);
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sta_info_put(sta);
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rcu_read_unlock();
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return 0;
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}
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static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
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struct mpath_info *pinfo)
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{
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if (mpath->next_hop)
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memcpy(next_hop, mpath->next_hop->addr, ETH_ALEN);
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else
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memset(next_hop, 0, ETH_ALEN);
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pinfo->filled = MPATH_INFO_FRAME_QLEN |
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MPATH_INFO_DSN |
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MPATH_INFO_METRIC |
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MPATH_INFO_EXPTIME |
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MPATH_INFO_DISCOVERY_TIMEOUT |
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MPATH_INFO_DISCOVERY_RETRIES |
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MPATH_INFO_FLAGS;
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pinfo->frame_qlen = mpath->frame_queue.qlen;
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pinfo->dsn = mpath->dsn;
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pinfo->metric = mpath->metric;
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if (time_before(jiffies, mpath->exp_time))
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pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
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pinfo->discovery_timeout =
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jiffies_to_msecs(mpath->discovery_timeout);
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pinfo->discovery_retries = mpath->discovery_retries;
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pinfo->flags = 0;
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if (mpath->flags & MESH_PATH_ACTIVE)
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pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
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if (mpath->flags & MESH_PATH_RESOLVING)
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pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
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if (mpath->flags & MESH_PATH_DSN_VALID)
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pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
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if (mpath->flags & MESH_PATH_FIXED)
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pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
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if (mpath->flags & MESH_PATH_RESOLVING)
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pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
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pinfo->flags = mpath->flags;
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}
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static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
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u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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struct mesh_path *mpath;
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if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)
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return -ENOTSUPP;
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rcu_read_lock();
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mpath = mesh_path_lookup(dst, dev);
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if (!mpath) {
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rcu_read_unlock();
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return -ENOENT;
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}
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memcpy(dst, mpath->dst, ETH_ALEN);
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mpath_set_pinfo(mpath, next_hop, pinfo);
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rcu_read_unlock();
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return 0;
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}
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static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
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int idx, u8 *dst, u8 *next_hop,
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struct mpath_info *pinfo)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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struct mesh_path *mpath;
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if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)
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return -ENOTSUPP;
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rcu_read_lock();
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mpath = mesh_path_lookup_by_idx(idx, dev);
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if (!mpath) {
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rcu_read_unlock();
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return -ENOENT;
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}
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memcpy(dst, mpath->dst, ETH_ALEN);
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mpath_set_pinfo(mpath, next_hop, pinfo);
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rcu_read_unlock();
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return 0;
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}
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#endif
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struct cfg80211_ops mac80211_config_ops = {
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.add_virtual_intf = ieee80211_add_iface,
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.del_virtual_intf = ieee80211_del_iface,
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@ -671,4 +912,12 @@ struct cfg80211_ops mac80211_config_ops = {
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.del_station = ieee80211_del_station,
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.change_station = ieee80211_change_station,
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.get_station = ieee80211_get_station,
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.dump_station = ieee80211_dump_station,
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#ifdef CONFIG_MAC80211_MESH
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.add_mpath = ieee80211_add_mpath,
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.del_mpath = ieee80211_del_mpath,
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.change_mpath = ieee80211_change_mpath,
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.get_mpath = ieee80211_get_mpath,
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.dump_mpath = ieee80211_dump_mpath,
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#endif
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};
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