During the transition towards checksum offloading, the function to
handle software fallback of IPv4 checksums didn't account for the
options field.
Fixes: 5d11c47d3ebe ("userspace: Enable IP checksum offloading by default.")
Signed-off-by: Mike Pattrick <[email protected]>
---
lib/dp-packet.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/dp-packet.h b/lib/dp-packet.h
index a75b1c5cd..3e625571e 100644
--- a/lib/dp-packet.h
+++ b/lib/dp-packet.h
@@ -1394,7 +1394,7 @@ dp_packet_ip_set_header_csum(struct dp_packet *p, bool
inner)
ovs_assert(ip);
ip->ip_csum = 0;
- ip->ip_csum = csum(ip, sizeof *ip);
+ ip->ip_csum = csum(ip, IP_IHL(ip->ip_ihl_ver) * 4);
}
/* Returns 'true' if the packet 'p' has good integrity and the
--
2.43.5
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