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Diffstat (limited to 'src/plugins/avf/device.c')
-rw-r--r--src/plugins/avf/device.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/plugins/avf/device.c b/src/plugins/avf/device.c
index bb2dcf74e07..c6bf2df4443 100644
--- a/src/plugins/avf/device.c
+++ b/src/plugins/avf/device.c
@@ -298,6 +298,8 @@ avf_txq_init (vlib_main_t * vm, avf_device_t * ad, u16 qid, u16 txq_size)
{
clib_error_t *err;
avf_txq_t *txq;
+ u8 bpi = vlib_buffer_pool_get_default_for_numa (vm,
+ ad->numa_node);
if (qid >= ad->num_queue_pairs)
{
@@ -313,6 +315,14 @@ avf_txq_init (vlib_main_t * vm, avf_device_t * ad, u16 qid, u16 txq_size)
txq = vec_elt_at_index (ad->txqs, qid);
txq->size = txq_size;
txq->next = 0;
+
+ /* Prepare a placeholder buffer to maintain a 1-1
+ relationship between bufs and descs when a context
+ descriptor is added in descs */
+ if (!vlib_buffer_alloc_from_pool
+ (vm, &txq->ctx_desc_placeholder_bi, 1, bpi))
+ return clib_error_return (0, "buffer allocation error");
+
txq->descs = vlib_physmem_alloc_aligned_on_numa (vm, txq->size *
sizeof (avf_tx_desc_t),
2 * CLIB_CACHE_LINE_BYTES,
@@ -1442,6 +1452,8 @@ avf_delete_if (vlib_main_t * vm, avf_device_t * ad, int with_barrier)
vlib_buffer_free_from_ring (vm, txq->bufs, first, txq->size,
txq->n_enqueued);
}
+ /* Free the placeholder buffer */
+ vlib_buffer_free_one(vm, txq->ctx_desc_placeholder_bi);
vec_free (txq->bufs);
clib_ring_free (txq->rs_slots);
}
@@ -1638,7 +1650,8 @@ avf_create_if (vlib_main_t * vm, avf_create_if_args_t * args)
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, ad->hw_if_index);
hi->flags |=
VNET_HW_INTERFACE_FLAG_SUPPORTS_MAC_FILTER |
- VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
+ VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD |
+ VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO;
ethernet_set_flags (vnm, ad->hw_if_index,
ETHERNET_INTERFACE_FLAG_DEFAULT_L3);