diff options
| author | Jody McIntyre <scjody@modernduck.com> | 2005-11-18 00:18:25 -0500 |
|---|---|---|
| committer | Jody McIntyre <scjody@modernduck.com> | 2005-11-18 00:18:25 -0500 |
| commit | a9931a6e37c09f6b76a9fa0cbd777c335548692b (patch) | |
| tree | cd6ba9d36e350dd6188f7b8f95efc59c85d34485 /net/core/netpoll.c | |
| parent | 7301c8d3a05dc52d33598364da7c4eb6ab6357eb (diff) | |
| parent | 811803c5572b296e0031e0099203de90d77c7bcf (diff) | |
Merge with http://kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'net/core/netpoll.c')
| -rw-r--r-- | net/core/netpoll.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 802fe11efad0..49424a42a2c0 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -101,16 +101,20 @@ void netpoll_queue(struct sk_buff *skb) static int checksum_udp(struct sk_buff *skb, struct udphdr *uh, unsigned short ulen, u32 saddr, u32 daddr) { - if (uh->check == 0) + unsigned int psum; + + if (uh->check == 0 || skb->ip_summed == CHECKSUM_UNNECESSARY) return 0; - if (skb->ip_summed == CHECKSUM_HW) - return csum_tcpudp_magic( - saddr, daddr, ulen, IPPROTO_UDP, skb->csum); + psum = csum_tcpudp_nofold(saddr, daddr, ulen, IPPROTO_UDP, 0); + + if (skb->ip_summed == CHECKSUM_HW && + !(u16)csum_fold(csum_add(psum, skb->csum))) + return 0; - skb->csum = csum_tcpudp_nofold(saddr, daddr, ulen, IPPROTO_UDP, 0); + skb->csum = psum; - return csum_fold(skb_checksum(skb, 0, skb->len, skb->csum)); + return __skb_checksum_complete(skb); } /* @@ -489,7 +493,7 @@ int __netpoll_rx(struct sk_buff *skb) if (ulen != len) goto out; - if (checksum_udp(skb, uh, ulen, iph->saddr, iph->daddr) < 0) + if (checksum_udp(skb, uh, ulen, iph->saddr, iph->daddr)) goto out; if (np->local_ip && np->local_ip != ntohl(iph->daddr)) goto out; |