diff options
| author |   Damjan Marion <damarion@cisco.com> | 2017-01-25 14:18:03 +0100 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2017-02-28 21:12:48 +0000 |
| commit | c47ed032c6d036a9f942fc9ced48874fad55b48c (patch) | |
| tree | f983e46b265200797648f9d5ec6be51b659a41e5 /src/vnet/devices/dpdk/device.c | |
| parent | 05472b625fc401f1514a148f7122e6c3c571765a (diff) | |
vlib: add buffer cloning support
Change-Id: I50070611af15b2b4cc29664a8bee4f821ac3c835
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vnet/devices/dpdk/device.c')
| -rw-r--r-- | src/vnet/devices/dpdk/device.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/vnet/devices/dpdk/device.c b/src/vnet/devices/dpdk/device.c index c9d9a567b7a..17397900c59 100644 --- a/src/vnet/devices/dpdk/device.c +++ b/src/vnet/devices/dpdk/device.c @@ -168,13 +168,11 @@ dpdk_validate_rte_mbuf (vlib_main_t * vm, vlib_buffer_t * b, { b2 = vlib_get_buffer (vm, b2->next_buffer); mb = rte_mbuf_from_vlib_buffer (b2); - last_mb->next = mb; - last_mb = mb; rte_pktmbuf_reset (mb); } } - first_mb = mb = rte_mbuf_from_vlib_buffer (b); + last_mb = first_mb = mb = rte_mbuf_from_vlib_buffer (b); first_mb->nb_segs = 1; mb->data_len = b->current_length; mb->pkt_len = maybe_multiseg ? vlib_buffer_length_in_chain (vm, b) : @@ -185,10 +183,17 @@ dpdk_validate_rte_mbuf (vlib_main_t * vm, vlib_buffer_t * b, { b = vlib_get_buffer (vm, b->next_buffer); mb = rte_mbuf_from_vlib_buffer (b); + last_mb->next = mb; + last_mb = mb; mb->data_len = b->current_length; mb->pkt_len = b->current_length; mb->data_off = VLIB_BUFFER_PRE_DATA_SIZE + b->current_data; first_mb->nb_segs++; + if (PREDICT_FALSE (b->n_add_refs)) + { + rte_mbuf_refcnt_update (mb, b->n_add_refs); + b->n_add_refs = 0; + } } } |