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-rw-r--r--src/plugins/avf/output.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/plugins/avf/output.c b/src/plugins/avf/output.c
index 90cc56fc7d8..cbc85b846fe 100644
--- a/src/plugins/avf/output.c
+++ b/src/plugins/avf/output.c
@@ -113,7 +113,8 @@ avf_tx_prepare_cksum (vlib_buffer_t * b, u8 is_tso)
else
{
struct avf_ip6_psh psh = { 0 };
- clib_memcpy_fast (&psh.src, &ip6->src_address, 32);
+ clib_memcpy_fast (&psh.src, &ip6->src_address, 16);
+ clib_memcpy_fast (&psh.dst, &ip6->dst_address, 16);
psh.proto = clib_host_to_net_u32 ((u32) ip6->protocol);
psh.l4len = is_tso ? 0 : ip6->payload_length;
sum = ~ip_csum (&psh, sizeof (psh));