diff options
| -rw-r--r-- | net/ipv6/ip6_vti.c | 42 |
1 files changed, 18 insertions, 24 deletions
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index 864914399391..f5ba4d42b4ae 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -278,7 +278,6 @@ static void vti6_dev_uninit(struct net_device *dev) RCU_INIT_POINTER(ip6n->tnls_wc[0], NULL); else vti6_tnl_unlink(ip6n, t); - ip6_tnl_dst_reset(t); dev_put(dev); } @@ -356,11 +355,10 @@ vti6_addr_conflict(const struct ip6_tnl *t, const struct ipv6hdr *hdr) **/ static int vti6_xmit(struct sk_buff *skb, struct net_device *dev) { - struct net *net = dev_net(dev); struct ip6_tnl *t = netdev_priv(dev); struct net_device_stats *stats = &t->dev->stats; - struct dst_entry *dst = NULL, *ndst = NULL; - struct flowi6 fl6; + struct dst_entry *dst = skb_dst(skb); + struct flowi fl; struct ipv6hdr *ipv6h = ipv6_hdr(skb); struct net_device *tdev; int err = -1; @@ -369,21 +367,19 @@ static int vti6_xmit(struct sk_buff *skb, struct net_device *dev) !ip6_tnl_xmit_ctl(t) || vti6_addr_conflict(t, ipv6h)) return err; - dst = ip6_tnl_dst_check(t); - if (!dst) { - memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6)); + memset(&fl, 0, sizeof(fl)); + skb->mark = be32_to_cpu(t->parms.o_key); + xfrm_decode_session(skb, &fl, AF_INET6); - ndst = ip6_route_output(net, NULL, &fl6); + if (!dst) + goto tx_err_link_failure; - if (ndst->error) - goto tx_err_link_failure; - ndst = xfrm_lookup(net, ndst, flowi6_to_flowi(&fl6), NULL, 0); - if (IS_ERR(ndst)) { - err = PTR_ERR(ndst); - ndst = NULL; - goto tx_err_link_failure; - } - dst = ndst; + dst_hold(dst); + dst = xfrm_lookup(t->net, dst, &fl, NULL, 0); + if (IS_ERR(dst)) { + err = PTR_ERR(dst); + dst = NULL; + goto tx_err_link_failure; } if (!dst->xfrm || dst->xfrm->props.mode != XFRM_MODE_TUNNEL) @@ -399,21 +395,19 @@ static int vti6_xmit(struct sk_buff *skb, struct net_device *dev) } - skb_dst_drop(skb); - skb_dst_set_noref(skb, dst); + memset(IP6CB(skb), 0, sizeof(*IP6CB(skb))); + skb_scrub_packet(skb, !net_eq(t->net, dev_net(dev))); + skb_dst_set(skb, dst); + skb->dev = skb_dst(skb)->dev; ip6tunnel_xmit(skb, dev); - if (ndst) { - dev->mtu = dst_mtu(ndst); - ip6_tnl_dst_store(t, ndst); - } return 0; tx_err_link_failure: stats->tx_carrier_errors++; dst_link_failure(skb); tx_err_dst_release: - dst_release(ndst); + dst_release(dst); return err; } |