diff options
Diffstat (limited to 'src/vlib/buffer_funcs.h')
| -rw-r--r-- | src/vlib/buffer_funcs.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/vlib/buffer_funcs.h b/src/vlib/buffer_funcs.h index 3e0234b6b51..483a990731f 100644 --- a/src/vlib/buffer_funcs.h +++ b/src/vlib/buffer_funcs.h @@ -976,6 +976,27 @@ vlib_buffer_copy (vlib_main_t * vm, vlib_buffer_t * b) return fd; } +/* duplicate first buffer in chain */ +always_inline vlib_buffer_t * +vlib_buffer_copy_no_chain (vlib_main_t * vm, vlib_buffer_t * b, u32 * di) +{ + vlib_buffer_t *d; + + if ((vlib_buffer_alloc (vm, di, 1)) != 1) + return 0; + + d = vlib_get_buffer (vm, *di); + /* 1st segment */ + d->current_data = b->current_data; + d->current_length = b->current_length; + clib_memcpy_fast (d->opaque, b->opaque, sizeof (b->opaque)); + clib_memcpy_fast (d->opaque2, b->opaque2, sizeof (b->opaque2)); + clib_memcpy_fast (vlib_buffer_get_current (d), + vlib_buffer_get_current (b), b->current_length); + + return d; +} + /** \brief Create a maximum of 256 clones of buffer and store them in the supplied array |