From: Mitsuru Chinen Date: Mon, 30 Apr 2007 07:46:30 +0000 (-0700) Subject: [IPV4] SNMP: Support InTruncatedPkts X-Git-Tag: v2.6.22-rc1~1107^2~2 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=704aed53b4e43bebfbd425cf95b66794a9cfa2c2;p=linux-2.6 [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 Signed-off-by: David S. Miller --- diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 63ab5230c6..c8c455dd9c 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