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| author | Steffen Klassert <steffen.klassert@secunet.com> | 2014-02-21 08:41:10 +0100 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2014-02-25 07:04:18 +0100 |
| commit | a34cd4f31919119d8ab2d42330fb8364aa430551 (patch) | |
| tree | 2154f09ef604330fb58b5985acd6c8c8fc78d0c4 /net/ipv4/ip_vti.c | |
| parent | 9994bb8e1e05833e627d54147acb64952efcb713 (diff) | |
| download | linux-a34cd4f31919119d8ab2d42330fb8364aa430551.tar.gz linux-a34cd4f31919119d8ab2d42330fb8364aa430551.tar.xz | |
vti4: Use the on xfrm_lookup returned dst_entry directly
We need to be protocol family indepenent to support
inter addresss family tunneling with vti. So use a
dst_entry instead of the ipv4 rtable in vti_tunnel_xmit.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/ipv4/ip_vti.c')
| -rw-r--r-- | net/ipv4/ip_vti.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index b23f9e63b1cd..0dc341ddd1aa 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -128,7 +128,7 @@ static int vti_rcv_cb(struct sk_buff *skb, int err) static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) { struct ip_tunnel *tunnel = netdev_priv(dev); - struct rtable *rt; /* Route to the other host */ + struct dst_entry *dst = skb_dst(skb); struct net_device *tdev; /* Device to other host */ struct flowi fl; int err; @@ -140,14 +140,14 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) skb->mark = be32_to_cpu(tunnel->parms.o_key); xfrm_decode_session(skb, &fl, AF_INET); - if (!skb_dst(skb)) { + if (!dst) { dev->stats.tx_carrier_errors++; goto tx_error_icmp; } - dst_hold(skb_dst(skb)); - rt = (struct rtable *)xfrm_lookup(tunnel->net, skb_dst(skb), &fl, NULL, 0); - if (IS_ERR(rt)) { + dst_hold(dst); + dst = xfrm_lookup(tunnel->net, dst, &fl, NULL, 0); + if (IS_ERR(dst)) { dev->stats.tx_carrier_errors++; goto tx_error_icmp; } @@ -155,16 +155,16 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) /* if there is no transform then this tunnel is not functional. * Or if the xfrm is not mode tunnel. */ - if (!rt->dst.xfrm || - rt->dst.xfrm->props.mode != XFRM_MODE_TUNNEL) { + if (!dst->xfrm || + dst->xfrm->props.mode != XFRM_MODE_TUNNEL) { dev->stats.tx_carrier_errors++; - ip_rt_put(rt); + dst_release(dst); goto tx_error_icmp; } - tdev = rt->dst.dev; + tdev = dst->dev; if (tdev == dev) { - ip_rt_put(rt); + dst_release(dst); dev->stats.collisions++; goto tx_error; } @@ -180,7 +180,7 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) memset(IPCB(skb), 0, sizeof(*IPCB(skb))); skb_scrub_packet(skb, !net_eq(tunnel->net, dev_net(dev))); - skb_dst_set(skb, &rt->dst); + skb_dst_set(skb, dst); skb->dev = skb_dst(skb)->dev; err = dst_output(skb); |