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Diffstat (limited to 'net/mac80211/iface.c')
-rw-r--r--net/mac80211/iface.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 20aa5cc31f77..41531478437c 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -789,6 +789,64 @@ static const struct net_device_ops ieee80211_monitorif_ops = {
.ndo_get_stats64 = ieee80211_get_stats64,
};
+static int ieee80211_netdev_fill_forward_path(struct net_device_path_ctx *ctx,
+ struct net_device_path *path)
+{
+ struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_local *local;
+ struct sta_info *sta;
+ int ret = -ENOENT;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(ctx->dev);
+ local = sdata->local;
+
+ if (!local->ops->net_fill_forward_path)
+ return -EOPNOTSUPP;
+
+ rcu_read_lock();
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP_VLAN:
+ sta = rcu_dereference(sdata->u.vlan.sta);
+ if (sta)
+ break;
+ if (sdata->wdev.use_4addr)
+ goto out;
+ if (is_multicast_ether_addr(ctx->daddr))
+ goto out;
+ sta = sta_info_get_bss(sdata, ctx->daddr);
+ break;
+ case NL80211_IFTYPE_AP:
+ if (is_multicast_ether_addr(ctx->daddr))
+ goto out;
+ sta = sta_info_get(sdata, ctx->daddr);
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (sdata->wdev.wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) {
+ sta = sta_info_get(sdata, ctx->daddr);
+ if (sta && test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
+ if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
+ goto out;
+
+ break;
+ }
+ }
+
+ sta = sta_info_get(sdata, sdata->u.mgd.bssid);
+ break;
+ default:
+ goto out;
+ }
+
+ if (!sta)
+ goto out;
+
+ ret = drv_net_fill_forward_path(local, sdata, &sta->sta, ctx, path);
+out:
+ rcu_read_unlock();
+
+ return ret;
+}
+
static const struct net_device_ops ieee80211_dataif_8023_ops = {
.ndo_open = ieee80211_open,
.ndo_stop = ieee80211_stop,
@@ -798,6 +856,7 @@ static const struct net_device_ops ieee80211_dataif_8023_ops = {
.ndo_set_mac_address = ieee80211_change_mac,
.ndo_select_queue = ieee80211_netdev_select_queue,
.ndo_get_stats64 = ieee80211_get_stats64,
+ .ndo_fill_forward_path = ieee80211_netdev_fill_forward_path,
};
static bool ieee80211_iftype_supports_hdr_offload(enum nl80211_iftype iftype)