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-rw-r--r--src/vnet/tcp/tcp_output.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index cfdd1da9188..db42029e7b3 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -613,11 +613,11 @@ tcp_buffer_make_reset (vlib_main_t *vm, vlib_buffer_t *b, u8 is_ip4)
/* Zero all flags but free list index and trace flag */
b->flags &= VLIB_BUFFER_NEXT_PRESENT - 1;
- b->current_data = 0;
+ /* Make sure new tcp header comes after current ip */
+ b->current_data = ((u8 *) th - b->data) + sizeof (tcp_header_t);
b->current_length = 0;
b->total_length_not_including_first_buffer = 0;
vnet_buffer (b)->tcp.flags = 0;
- vlib_buffer_make_headroom (b, TRANSPORT_MAX_HDRS_LEN);
/*
* Add TCP and IP headers