I think we discussed this issue before.
The current checksum function doesn't consider the kind of packet
which is padded to reach a specific minimum length. I believe that's
the problem caused my test case failed. Is this issue fixed? Or is it
acceptable if I make a patch not calculating this kind of packet?
Thanks,
-Aubrey
===============================================
static __sum16 checksum_udp(struct sk_buff *skb, struct udphdr *uh,
unsigned short ulen, __be32 saddr, __be32 daddr)
{
__wsum psum;
if (uh->check == 0 || skb->ip_summed == CHECKSUM_UNNECESSARY)
return 0;
psum = csum_tcpudp_nofold(saddr, daddr, ulen, IPPROTO_UDP, 0);
if (skb->ip_summed == CHECKSUM_COMPLETE &&
!csum_fold(csum_add(psum, skb->csum)))
return 0;
skb->csum = psum;
return __skb_checksum_complete(skb);
}
===============================================
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