diff options
| -rw-r--r-- | include/net/dst.h | 20 | ||||
| -rw-r--r-- | net/ipv4/ip_gre.c | 9 | ||||
| -rw-r--r-- | net/ipv4/ipip.c | 7 | ||||
| -rw-r--r-- | net/ipv4/ipmr.c | 8 | ||||
| -rw-r--r-- | net/ipv6/ip6_tunnel.c | 8 | ||||
| -rw-r--r-- | net/ipv6/ip6mr.c | 8 | ||||
| -rw-r--r-- | net/ipv6/sit.c | 8 |
7 files changed, 34 insertions, 34 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 27207a1..612069b 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -226,6 +226,26 @@ static inline void skb_dst_force(struct sk_buff *skb) } } + +/** + * skb_tunnel_rx - prepare skb for rx reinsert + * @skb: buffer + * @dev: tunnel device + * + * After decapsulation, packet is going to re-enter (netif_rx()) our stack, + * so make some cleanups, and perform accounting. + */ +static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev) +{ + skb->dev = dev; + /* TODO : stats should be SMP safe */ + dev->stats.rx_packets++; + dev->stats.rx_bytes += skb->len; + skb->rxhash = 0; + skb_dst_drop(skb); + nf_reset(skb); +} + /* Children define the path of the packet through the * Linux networking. Thus, destinations are stackable. */ diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index fe381d1..498cf69 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -538,7 +538,6 @@ static int ipgre_rcv(struct sk_buff *skb) struct ip_tunnel *tunnel; int offset = 4; __be16 gre_proto; - unsigned int len; if (!pskb_may_pull(skb, 16)) goto drop_nolock; @@ -629,8 +628,6 @@ static int ipgre_rcv(struct sk_buff *skb) tunnel->i_seqno = seqno + 1; } - len = skb->len; - /* Warning: All skb pointers will be invalidated! */ if (tunnel->dev->type == ARPHRD_ETHER) { if (!pskb_may_pull(skb, ETH_HLEN)) { @@ -644,11 +641,7 @@ static int ipgre_rcv(struct sk_buff *skb) skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); } - stats->rx_packets++; - stats->rx_bytes += len; - skb->dev = tunnel->dev; - skb_dst_drop(skb); - nf_reset(skb); + skb_tunnel_rx(skb, tunnel->dev); skb_reset_network_header(skb); ipgre_ecn_decapsulate(iph, skb); diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 0b27b14..7fd6367 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -374,11 +374,8 @@ static int ipip_rcv(struct sk_buff *skb) skb->protocol = htons(ETH_P_IP); skb->pkt_type = PACKET_HOST; - tunnel->dev->stats.rx_packets++; - tunnel->dev->stats.rx_bytes += skb->len; - skb->dev = tunnel->dev; - skb_dst_drop(skb); - nf_reset(skb); + skb_tunnel_rx(skb, tunnel->dev); + ipip_ecn_decapsulate(iph, skb); netif_rx(skb); rcu_read_unlock(); diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 7a7ee1c..217ebe0 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1831,14 +1831,12 @@ static int __pim_rcv(struct mr_table *mrt, struct sk_buff *skb, skb->mac_header = skb->network_header; skb_pull(skb, (u8*)encap - skb->data); skb_reset_network_header(skb); - skb->dev = reg_dev; skb->protocol = htons(ETH_P_IP); skb->ip_summed = 0; skb->pkt_type = PACKET_HOST; - skb_dst_drop(skb); - reg_dev->stats.rx_bytes += skb->len; - reg_dev->stats.rx_packets++; - nf_reset(skb); + + skb_tunnel_rx(skb, reg_dev); + netif_rx(skb); dev_put(reg_dev); diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 2599870..8f39893 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -723,14 +723,10 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol, skb->protocol = htons(protocol); skb->pkt_type = PACKET_HOST; memset(skb->cb, 0, sizeof(struct inet6_skb_parm)); - skb->dev = t->dev; - skb_dst_drop(skb); - nf_reset(skb); - dscp_ecn_decapsulate(t, ipv6h, skb); + skb_tunnel_rx(skb, t->dev); - t->dev->stats.rx_packets++; - t->dev->stats.rx_bytes += skb->len; + dscp_ecn_decapsulate(t, ipv6h, skb); netif_rx(skb); rcu_read_unlock(); return 0; diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 163850e..bd9e7d3 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -658,14 +658,12 @@ static int pim6_rcv(struct sk_buff *skb) skb->mac_header = skb->network_header; skb_pull(skb, (u8 *)encap - skb->data); skb_reset_network_header(skb); - skb->dev = reg_dev; skb->protocol = htons(ETH_P_IPV6); skb->ip_summed = 0; skb->pkt_type = PACKET_HOST; - skb_dst_drop(skb); - reg_dev->stats.rx_bytes += skb->len; - reg_dev->stats.rx_packets++; - nf_reset(skb); + + skb_tunnel_rx(skb, reg_dev); + netif_rx(skb); dev_put(reg_dev); return 0; diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 5abae10..e51e650 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -566,11 +566,9 @@ static int ipip6_rcv(struct sk_buff *skb) kfree_skb(skb); return 0; } - tunnel->dev->stats.rx_packets++; - tunnel->dev->stats.rx_bytes += skb->len; - skb->dev = tunnel->dev; - skb_dst_drop(skb); - nf_reset(skb); + + skb_tunnel_rx(skb, tunnel->dev); + ipip6_ecn_decapsulate(iph, skb); netif_rx(skb); rcu_read_unlock(); |
