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| author | Mitsuru Chinen <mitch@linux.vnet.ibm.com> | 2007-04-30 11:46:30 +0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-30 11:58:26 +0400 |
| commit | 704aed53b4e43bebfbd425cf95b66794a9cfa2c2 (patch) | |
| tree | 14108e800c54dd199f254b086f13fe6206eefb9e /net/ipv4/ip_input.c | |
| parent | e91a47ebb130b90790c7a8c625ade4dcea246842 (diff) | |
| download | linux-704aed53b4e43bebfbd425cf95b66794a9cfa2c2.tar.xz | |
[IPV4] SNMP: Support InTruncatedPkts
An IP datagram which is being discarded because the datagram frame
didn't carry enough data should be counted as InTruncatedPkts.
Signed-off-by: Mitsuru Chinen <mitch@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_input.c')
| -rw-r--r-- | net/ipv4/ip_input.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 63ab5230c611..c8c455dd9caf 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -416,7 +416,10 @@ 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 |