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netfilter: increase IPSTATS_MIB_CSUMERRORS stat

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In the ip_rcv, IPSTATS_MIB_CSUMERRORS is increased when
checksum error is occurred.
bridge netfilter routine should increase IPSTATS_MIB_CSUMERRORS.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Taehee Yoo 2018-02-17 04:18:15 +09:00 committed by Pablo Neira Ayuso
parent f4b7ac5ec3
commit 2412d897c2
1 changed files with 3 additions and 1 deletions
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4
net/bridge/br_netfilter_hooks.c
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@ -214,7 +214,7 @@ static int br_validate_ipv4(struct net *net, struct sk_buff *skb)
iph = ip_hdr(skb);
if (unlikely(ip_fast_csum((u8 *)iph, iph->ihl)))
goto inhdr_error;
goto csum_error;
len = ntohs(iph->tot_len);
if (skb->len < len) {
@ -236,6 +236,8 @@ static int br_validate_ipv4(struct net *net, struct sk_buff *skb)
*/
return 0;
csum_error:
__IP_INC_STATS(net, IPSTATS_MIB_CSUMERRORS);
inhdr_error:
__IP_INC_STATS(net, IPSTATS_MIB_INHDRERRORS);
drop: