diff options
| -rw-r--r-- | drivers/net/vrf.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index b3762822b653..1ce7420322ee 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -779,6 +779,25 @@ static int vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4) return rc; } +static int vrf_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb) +{ + return 0; +} + +static struct sk_buff *vrf_rcv_nfhook(u8 pf, unsigned int hook, + struct sk_buff *skb, + struct net_device *dev) +{ + struct net *net = dev_net(dev); + + nf_reset(skb); + + if (NF_HOOK(pf, hook, net, NULL, skb, dev, NULL, vrf_rcv_finish) < 0) + skb = NULL; /* kfree_skb(skb) handled by nf code */ + + return skb; +} + #if IS_ENABLED(CONFIG_IPV6) /* neighbor handling is done with actual device; do not want * to flip skb->dev for those ndisc packets. This really fails @@ -899,6 +918,7 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev, if (need_strict) vrf_ip6_input_dst(skb, vrf_dev, orig_iif); + skb = vrf_rcv_nfhook(NFPROTO_IPV6, NF_INET_PRE_ROUTING, skb, vrf_dev); out: return skb; } @@ -929,6 +949,7 @@ static struct sk_buff *vrf_ip_rcv(struct net_device *vrf_dev, dev_queue_xmit_nit(skb, vrf_dev); skb_pull(skb, skb->mac_len); + skb = vrf_rcv_nfhook(NFPROTO_IPV4, NF_INET_PRE_ROUTING, skb, vrf_dev); out: return skb; } |