Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
[NETPOLL]: Compute checksum properly in netpoll_send_udp().
Signed-off-by: Chris Lalancette <clalance@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
authored by Chris Lalancette and committed by David S. Miller 8e365eec da33e3eb
+6
net/core/netpoll.c
+6
net/core/netpoll.c
···
340
340
udph->dest = htons(np->remote_port);
341
341
udph->len = htons(udp_len);
342
342
udph->check = 0;
343
+
udph->check = csum_tcpudp_magic(htonl(np->local_ip),
344
+
htonl(np->remote_ip),
345
+
udp_len, IPPROTO_UDP,
346
+
csum_partial((unsigned char *)udph, udp_len, 0));
347
+
if (udph->check == 0)
348
+
udph->check = -1;
343
349
344
350
skb->nh.iph = iph = (struct iphdr *)skb_push(skb, sizeof(*iph));
345
351