diff options
Diffstat (limited to 'src/vlib')
| -rw-r--r-- | src/vlib/buffer_funcs.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/vlib/buffer_funcs.h b/src/vlib/buffer_funcs.h index 0ac05f3f703..ba87d9566c7 100644 --- a/src/vlib/buffer_funcs.h +++ b/src/vlib/buffer_funcs.h @@ -459,6 +459,30 @@ vlib_buffer_free_from_ring (vlib_main_t * vm, u32 * ring, u32 start, } } +/** \brief Free buffers from ring without freeing tail buffers + + @param vm - (vlib_main_t *) vlib main data structure pointer + @param buffers - (u32 * ) buffer index ring + @param start - (u32) first slot in the ring + @param ring_size - (u32) ring size + @param n_buffers - (u32) number of buffers +*/ +always_inline void +vlib_buffer_free_from_ring_no_next (vlib_main_t * vm, u32 * ring, u32 start, + u32 ring_size, u32 n_buffers) +{ + ASSERT (n_buffers <= ring_size); + + if (PREDICT_TRUE (start + n_buffers <= ring_size)) + { + vlib_buffer_free (vm, ring + start, n_buffers); + } + else + { + vlib_buffer_free_no_next (vm, ring + start, ring_size - start); + vlib_buffer_free_no_next (vm, ring, n_buffers - (ring_size - start)); + } +} /* Add/delete buffer free lists. */ vlib_buffer_free_list_index_t vlib_buffer_create_free_list (vlib_main_t * vm, |