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[NETPOLL]: Compute checksum properly in netpoll_send_udp().

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Signed-off-by: Chris Lalancette <clalance@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chris Lalancette 2006-11-07 14:56:19 -08:00 committed by David S. Miller
parent da33e3eb48
commit 8e365eec04
1 changed files with 6 additions and 0 deletions
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6
net/core/netpoll.c
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@ -340,6 +340,12 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
udph->dest = htons(np->remote_port);
udph->len = htons(udp_len);
udph->check = 0;
udph->check = csum_tcpudp_magic(htonl(np->local_ip),
htonl(np->remote_ip),
udp_len, IPPROTO_UDP,
csum_partial((unsigned char *)udph, udp_len, 0));
if (udph->check == 0)
udph->check = -1;
skb->nh.iph = iph = (struct iphdr *)skb_push(skb, sizeof(*iph));