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| author |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-30 08:14:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-30 08:14:42 -0700 |
| commit | 152a6a9da1bd3ed5dcbbf6ff17c7ebde0eb9a754 (patch) | |
| tree | cad354802870b7d4bc0402a6a6da44bd1f610bc6 /net/ipv4/ip_input.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block (diff) | |
| parent | [IPV4] SNMP: Support OutMcastPkts and OutBcastPkts (diff) | |
| download | linux-dev-152a6a9da1bd3ed5dcbbf6ff17c7ebde0eb9a754.tar.xz linux-dev-152a6a9da1bd3ed5dcbbf6ff17c7ebde0eb9a754.zip | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits)
[IPV4] SNMP: Support OutMcastPkts and OutBcastPkts
[IPV4] SNMP: Support InMcastPkts and InBcastPkts
[IPV4] SNMP: Support InTruncatedPkts
[IPV4] SNMP: Support InNoRoutes
[SNMP]: Add definitions for {In,Out}BcastPkts
[TCP] FRTO: RFC4138 allows Nagle override when new data must be sent
[TCP] FRTO: Delay skb available check until it's mandatory
[XFRM]: Restrict upper layer information by bundle.
[TCP]: Catch skb with S+L bugs earlier
[PATCH] INET : IPV4 UDP lookups converted to a 2 pass algo
[L2TP]: Add the ability to autoload a pppox protocol module.
[SKB]: Introduce skb_queue_walk_safe()
[AF_IUCV/IUCV]: smp_call_function deadlock
[IPV6]: Fix slab corruption running ip6sic
[TCP]: Update references in two old comments
[XFRM]: Export SPD info
[IPV6]: Track device renames in snmp6.
[SCTP]: Fix sctp_getsockopt_local_addrs_old() to use local storage.
[NET]: Remove NETIF_F_INTERNAL_STATS, default to internal stats.
[NETPOLL]: Remove CONFIG_NETPOLL_RX
...
Diffstat (limited to 'net/ipv4/ip_input.c')
| -rw-r--r-- | net/ipv4/ip_input.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 324e7e0fdb2a..97069399d864 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -329,6 +329,7 @@ drop: static inline int ip_rcv_finish(struct sk_buff *skb) { const struct iphdr *iph = ip_hdr(skb); + struct rtable *rt; /* * Initialise the virtual path cache for the packet. It describes @@ -340,6 +341,8 @@ static inline int ip_rcv_finish(struct sk_buff *skb) if (unlikely(err)) { if (err == -EHOSTUNREACH) IP_INC_STATS_BH(IPSTATS_MIB_INADDRERRORS); + else if (err == -ENETUNREACH) + IP_INC_STATS_BH(IPSTATS_MIB_INNOROUTES); goto drop; } } @@ -358,6 +361,12 @@ static inline int ip_rcv_finish(struct sk_buff *skb) if (iph->ihl > 5 && ip_rcv_options(skb)) goto drop; + rt = (struct rtable*)skb->dst; + if (rt->rt_type == RTN_MULTICAST) + IP_INC_STATS_BH(IPSTATS_MIB_INMCASTPKTS); + else if (rt->rt_type == RTN_BROADCAST) + IP_INC_STATS_BH(IPSTATS_MIB_INBCASTPKTS); + return dst_input(skb); drop: @@ -414,7 +423,10 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, goto inhdr_error; len = ntohs(iph->tot_len); - if (skb->len < len || len < (iph->ihl*4)) + if (skb->len < len) { + IP_INC_STATS_BH(IPSTATS_MIB_INTRUNCATEDPKTS); + goto drop; + } else if (len < (iph->ihl*4)) goto inhdr_error; /* Our transport medium may have padded the buffer out. Now we know it |