From 0 Mon Sep 17 00:00:00 2001

From: Mikhail Efremov <sem@altlinux.org>

Date: Tue, 30 Oct 2012 18:45:41 +0400

Subject: [PATCH 21] Ignore checksums on the loopback interface.

Applied no_loopback_checksum patch from Debian.

Debian bug #478532.

diff --git a/dhcp/common/packet.c b/dhcp/common/packet.c

index defaced..defaced 100644

--- a/dhcp/common/packet.c

+++ b/dhcp/common/packet.c

@@ -365,6 +365,10 @@ decode_udp_ip_header(struct interface_info *interface,

   /* UDP check sum may be optional (udp.uh_sum == 0) or not ready if checksum

    * offloading is in use */

+  if (interface -> hw_address.hbuf [0] == 0) {

+    udp.uh_sum = 0;

+  }

+

   udp_packets_seen++;

   if (udp.uh_sum && csum_ready) {

 	/* Check the UDP header checksum - since the received packet header