diff options
Diffstat (limited to 'vlib/vlib/dpdk_buffer.c')
| -rw-r--r-- | vlib/vlib/dpdk_buffer.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/vlib/vlib/dpdk_buffer.c b/vlib/vlib/dpdk_buffer.c index 145720dd7a4..04a6447d633 100644 --- a/vlib/vlib/dpdk_buffer.c +++ b/vlib/vlib/dpdk_buffer.c @@ -910,6 +910,25 @@ vlib_buffer_chain_append_data_with_alloc(vlib_main_t *vm, return copied; } +/* + * Fills in the required rte_mbuf fields for chained buffers given a VLIB chain. + */ +void vlib_buffer_chain_validate (vlib_main_t * vm, vlib_buffer_t * b_first) +{ + vlib_buffer_t *b = b_first, *prev = b_first; + struct rte_mbuf *mb_first = ((struct rte_mbuf *) b) - 1; + + mb_first->pkt_len = mb_first-> data_len = b_first->current_length; + while (b->flags & VLIB_BUFFER_NEXT_PRESENT) { + b = vlib_get_buffer(vm, b->next_buffer); + mb_first->nb_segs++; + mb_first->pkt_len += b->current_length; + (((struct rte_mbuf *) prev) - 1)->next = (((struct rte_mbuf *) b) - 1); + (((struct rte_mbuf *) b) - 1)->data_len = b->current_length; + prev = b; + } +} + clib_error_t * vlib_buffer_pool_create(vlib_main_t * vm, unsigned num_mbufs, unsigned mbuf_size, unsigned socket_id) |