if (PREDICT_FALSE(vec_len (my_tx_buffers) == 0)) \
{ \
n_free_buffers = 32; /* TODO config or macro */ \
vec_validate (my_tx_buffers, n_free_buffers - 1); \
_vec_len(my_tx_buffers) = vlib_buffer_alloc_from_free_list ( \
if (PREDICT_FALSE(vec_len (my_tx_buffers) == 0)) \
{ \
n_free_buffers = 32; /* TODO config or macro */ \
vec_validate (my_tx_buffers, n_free_buffers - 1); \
_vec_len(my_tx_buffers) = vlib_buffer_alloc_from_free_list ( \