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-rw-r--r--src/vnet/gso/gro_func.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vnet/gso/gro_func.h b/src/vnet/gso/gro_func.h
index c7649318c43..1f50b28cc20 100644
--- a/src/vnet/gso/gro_func.h
+++ b/src/vnet/gso/gro_func.h
@@ -392,6 +392,7 @@ gro_fixup_header (vlib_main_t *vm, vlib_buffer_t *b0, u32 ack_number, u8 is_l2)
ip4->length =
clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0) -
gho0.l3_hdr_offset);
+ vnet_buffer (b0)->l3_hdr_offset = (u8 *) ip4 - b0->data;
b0->flags |= (VNET_BUFFER_F_GSO | VNET_BUFFER_F_IS_IP4);
vnet_buffer_offload_flags_set (b0, (VNET_BUFFER_OFFLOAD_F_TCP_CKSUM |
VNET_BUFFER_OFFLOAD_F_IP_CKSUM));
@@ -403,12 +404,14 @@ gro_fixup_header (vlib_main_t *vm, vlib_buffer_t *b0, u32 ack_number, u8 is_l2)
ip6->payload_length =
clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0) -
gho0.l4_hdr_offset);
+ vnet_buffer (b0)->l3_hdr_offset = (u8 *) ip6 - b0->data;
b0->flags |= (VNET_BUFFER_F_GSO | VNET_BUFFER_F_IS_IP6);
vnet_buffer_offload_flags_set (b0, VNET_BUFFER_OFFLOAD_F_TCP_CKSUM);
}
tcp_header_t *tcp0 =
(tcp_header_t *) (vlib_buffer_get_current (b0) + gho0.l4_hdr_offset);
+ vnet_buffer (b0)->l4_hdr_offset = (u8 *) tcp0 - b0->data;
tcp0->ack_number = ack_number;
b0->flags &= ~VLIB_BUFFER_IS_TRACED;
}