nsim: add packet loss simulation, docs

[vpp.git] / src / plugins / avf / output.c

diff --git a/src/plugins/avf/output.c b/src/plugins/avf/output.c
index 8f8e82d..e4b4228 100644 (file)
--- a/src/plugins/avf/output.c
+++ b/src/plugins/avf/output.c
@@ -45,7 +45,7 @@ VNET_DEVICE_CLASS_TX_FN (avf_device_class) (vlib_main_t * vm,
   u8 qid = thread_index;
   avf_txq_t *txq = vec_elt_at_index (ad->txqs, qid % ad->num_queue_pairs);
   avf_tx_desc_t *d0, *d1, *d2, *d3;
-  u32 *buffers = vlib_frame_args (frame);
+  u32 *buffers = vlib_frame_vector_args (frame);
   u32 bi0, bi1, bi2, bi3;
   u16 n_left, n_left_to_send, n_in_batch;
   vlib_buffer_t *b0, *b1, *b2, *b3;
@@ -118,16 +118,21 @@ retry:
       b2 = vlib_get_buffer (vm, bi2);
       b3 = vlib_get_buffer (vm, bi3);
 
-#if 0
-      d->qword[0] = vlib_get_buffer_data_physical_address (vm, bi0) +
-       b0->current_data;
-#else
-      d0->qword[0] = pointer_to_uword (b0->data) + b0->current_data;
-      d1->qword[0] = pointer_to_uword (b1->data) + b1->current_data;
-      d2->qword[0] = pointer_to_uword (b2->data) + b2->current_data;
-      d3->qword[0] = pointer_to_uword (b3->data) + b3->current_data;
+      if (ad->flags & AVF_DEVICE_F_VA_DMA)
+       {
+         d0->qword[0] = vlib_buffer_get_current_va (b0);
+         d1->qword[0] = vlib_buffer_get_current_va (b1);
+         d2->qword[0] = vlib_buffer_get_current_va (b2);
+         d3->qword[0] = vlib_buffer_get_current_va (b3);
+       }
+      else
+       {
+         d0->qword[0] = vlib_buffer_get_current_pa (vm, b0);
+         d1->qword[0] = vlib_buffer_get_current_pa (vm, b1);
+         d2->qword[0] = vlib_buffer_get_current_pa (vm, b2);
+         d3->qword[0] = vlib_buffer_get_current_pa (vm, b3);
+       }
 
-#endif
       d0->qword[1] = ((u64) b0->current_length) << 34 | bits;
       d1->qword[1] = ((u64) b1->current_length) << 34 | bits;
       d2->qword[1] = ((u64) b2->current_length) << 34 | bits;
@@ -146,12 +151,11 @@ retry:
       txq->bufs[next] = bi0;
       b0 = vlib_get_buffer (vm, bi0);
 
-#if 0
-      d->qword[0] = vlib_get_buffer_data_physical_address (vm, bi0) +
-       b0->current_data;
-#else
-      d0->qword[0] = pointer_to_uword (b0->data) + b0->current_data;
-#endif
+      if (ad->flags & AVF_DEVICE_F_VA_DMA)
+       d0->qword[0] = vlib_buffer_get_current_va (b0);
+      else
+       d0->qword[0] = vlib_buffer_get_current_pa (vm, b0);
+
       d0->qword[1] = (((u64) b0->current_length) << 34) | bits;
 
       next = (next + 1) & mask;