diff options
Diffstat (limited to 'drivers/net/vrf.c')
-rw-r--r-- | drivers/net/vrf.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 2b1b944d4b28..bf2fac913942 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -857,30 +857,24 @@ static int vrf_finish_output(struct net *net, struct sock *sk, struct sk_buff *s unsigned int hh_len = LL_RESERVED_SPACE(dev); struct neighbour *neigh; bool is_v6gw = false; - int ret = -EINVAL; nf_reset_ct(skb); /* Be paranoid, rather than too clever. */ if (unlikely(skb_headroom(skb) < hh_len && dev->header_ops)) { - struct sk_buff *skb2; - - skb2 = skb_realloc_headroom(skb, LL_RESERVED_SPACE(dev)); - if (!skb2) { - ret = -ENOMEM; - goto err; + skb = skb_expand_head(skb, hh_len); + if (!skb) { + dev->stats.tx_errors++; + return -ENOMEM; } - if (skb->sk) - skb_set_owner_w(skb2, skb->sk); - - consume_skb(skb); - skb = skb2; } rcu_read_lock_bh(); neigh = ip_neigh_for_gw(rt, skb, &is_v6gw); if (!IS_ERR(neigh)) { + int ret; + sock_confirm_neigh(skb, neigh); /* if crossing protocols, can not use the cached header */ ret = neigh_output(neigh, skb, is_v6gw); @@ -889,9 +883,8 @@ static int vrf_finish_output(struct net *net, struct sock *sk, struct sk_buff *s } rcu_read_unlock_bh(); -err: vrf_tx_error(skb->dev, skb); - return ret; + return -EINVAL; } static int vrf_output(struct net *net, struct sock *sk, struct sk_buff *skb) @@ -1367,6 +1360,8 @@ static struct sk_buff *vrf_ip6_rcv(struct net_device *vrf_dev, bool need_strict = rt6_need_strict(&ipv6_hdr(skb)->daddr); bool is_ndisc = ipv6_ndisc_frame(skb); + nf_reset_ct(skb); + /* loopback, multicast & non-ND link-local traffic; do not push through * packet taps again. Reset pkt_type for upper layers to process skb. * For strict packets with a source LLA, determine the dst using the @@ -1429,6 +1424,8 @@ static struct sk_buff *vrf_ip_rcv(struct net_device *vrf_dev, skb->skb_iif = vrf_dev->ifindex; IPCB(skb)->flags |= IPSKB_L3SLAVE; + nf_reset_ct(skb); + if (ipv4_is_multicast(ip_hdr(skb)->daddr)) goto out; |