summaryrefslogtreecommitdiff
path: root/drivers/net/veth.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/veth.c')
-rw-r--r--drivers/net/veth.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index e1b38fbf1dd9..4b3c6647edc6 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -1262,11 +1262,12 @@ static void veth_set_xdp_features(struct net_device *dev)
peer = rtnl_dereference(priv->peer);
if (peer && peer->real_num_tx_queues <= dev->real_num_rx_queues) {
+ struct veth_priv *priv_peer = netdev_priv(peer);
xdp_features_t val = NETDEV_XDP_ACT_BASIC |
NETDEV_XDP_ACT_REDIRECT |
NETDEV_XDP_ACT_RX_SG;
- if (priv->_xdp_prog || veth_gro_requested(dev))
+ if (priv_peer->_xdp_prog || veth_gro_requested(peer))
val |= NETDEV_XDP_ACT_NDO_XMIT |
NETDEV_XDP_ACT_NDO_XMIT_SG;
xdp_set_features_flag(dev, val);
@@ -1504,19 +1505,23 @@ static int veth_set_features(struct net_device *dev,
{
netdev_features_t changed = features ^ dev->features;
struct veth_priv *priv = netdev_priv(dev);
+ struct net_device *peer;
int err;
if (!(changed & NETIF_F_GRO) || !(dev->flags & IFF_UP) || priv->_xdp_prog)
return 0;
+ peer = rtnl_dereference(priv->peer);
if (features & NETIF_F_GRO) {
err = veth_napi_enable(dev);
if (err)
return err;
- xdp_features_set_redirect_target(dev, true);
+ if (peer)
+ xdp_features_set_redirect_target(peer, true);
} else {
- xdp_features_clear_redirect_target(dev);
+ if (peer)
+ xdp_features_clear_redirect_target(peer);
veth_napi_del(dev);
}
return 0;
@@ -1598,13 +1603,13 @@ static int veth_xdp_set(struct net_device *dev, struct bpf_prog *prog,
peer->max_mtu = max_mtu;
}
- xdp_features_set_redirect_target(dev, true);
+ xdp_features_set_redirect_target(peer, true);
}
if (old_prog) {
if (!prog) {
- if (!veth_gro_requested(dev))
- xdp_features_clear_redirect_target(dev);
+ if (peer && !veth_gro_requested(dev))
+ xdp_features_clear_redirect_target(peer);
if (dev->flags & IFF_UP)
veth_disable_xdp(dev);