From c879c149d66d556b9b8183374c601004cecbf982 Mon Sep 17 00:00:00 2001
From: Damjan Marion <damarion@cisco.com>
Date: Fri, 28 Dec 2018 17:43:22 +0100
Subject: avf: tx dequeue optimizations

Change-Id: I9d8fcf930132e832941e5678a9278a029e104dc3
Signed-off-by: Damjan Marion <damarion@cisco.com>
---
 src/plugins/avf/device.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/plugins/avf/device.c')

diff --git a/src/plugins/avf/device.c b/src/plugins/avf/device.c
index 9a8afa2ab42..f6a00a1d30a 100644
--- a/src/plugins/avf/device.c
+++ b/src/plugins/avf/device.c
@@ -16,6 +16,7 @@
  */
 
 #include <vlib/vlib.h>
+#include <vppinfra/ring.h>
 #include <vlib/unix/unix.h>
 #include <vlib/pci/pci.h>
 #include <vnet/ethernet/ethernet.h>
@@ -289,6 +290,9 @@ avf_txq_init (vlib_main_t * vm, avf_device_t * ad, u16 qid, u16 txq_size)
   vec_validate_aligned (txq->bufs, txq->size, CLIB_CACHE_LINE_BYTES);
   txq->qtx_tail = ad->bar0 + AVF_QTX_TAIL (qid);
 
+  /* initialize ring of pending RS slots */
+  clib_ring_new_aligned (txq->rs_slots, 32, CLIB_CACHE_LINE_BYTES);
+
   ad->n_tx_queues = clib_min (ad->num_queue_pairs, qid + 1);
   return 0;
 }
@@ -1166,6 +1170,7 @@ avf_delete_if (vlib_main_t * vm, avf_device_t * ad)
 				      txq->n_enqueued);
 	}
       vec_free (txq->bufs);
+      clib_ring_free (txq->rs_slots);
     }
   /* *INDENT-ON* */
   vec_free (ad->txqs);
-- 
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