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-rw-r--r--src/vnet/tcp/tcp_output.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index fe6d09c2c0e..0d938cae372 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -675,6 +675,8 @@ tcp_enqueue_to_ip_lookup (vlib_main_t * vm, vlib_buffer_t * b, u32 bi,
u8 is_ip4, u32 fib_index)
{
tcp_enqueue_to_ip_lookup_i (vm, b, bi, is_ip4, fib_index, 0);
+ if (vm->thread_index == 0 && vlib_num_workers ())
+ session_flush_frames_main_thread (vm);
}
always_inline void