Commit 704aed53 authored by Mitsuru Chinen's avatar Mitsuru Chinen Committed by David S. Miller

[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: default avatarMitsuru Chinen <mitch@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e91a47eb
...@@ -416,7 +416,10 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, ...@@ -416,7 +416,10 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
goto inhdr_error; goto inhdr_error;
len = ntohs(iph->tot_len); 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; goto inhdr_error;
/* Our transport medium may have padded the buffer out. Now we know it /* Our transport medium may have padded the buffer out. Now we know it
......
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