From: Yuan Wang <yuanx.wang@intel.com>
To: maxime.coquelin@redhat.com, chenbo.xia@intel.com
Cc: dev@dpdk.org, jiayu.hu@intel.com, xuan.ding@intel.com,
wenwux.ma@intel.com, yvonnex.yang@intel.com,
yuanx.wang@intel.com
Subject: [RFC 2/2] example/vhost: support to clear in-flight packets for async dequeue
Date: Mon, 17 Jan 2022 13:28:47 +0000 [thread overview]
Message-ID: <20220117132847.884998-3-yuanx.wang@intel.com> (raw)
In-Reply-To: <20220117132847.884998-1-yuanx.wang@intel.com>
This patch allows vhost_clear_queue_thread_unsafe() to clear
in-flight dequeue packets.
Signed-off-by: Yuan Wang <yuanx.wang@intel.com>
---
examples/vhost/main.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index 04a85262bc..050f983fd6 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -1495,6 +1495,7 @@ vhost_clear_queue_thread_unsafe(struct vhost_dev *vdev, uint16_t queue_id)
uint16_t n_pkt = 0;
uint16_t dma_id = dma_bind[vid2socketid[vdev->vid]].dmas[queue_id].dev_id;
struct rte_mbuf *m_enq_cpl[vdev->pkts_enq_inflight];
+ struct rte_mbuf *m_deq_cpl[vdev->pkts_deq_inflight];
if (queue_id % 2 == 0) {
while (vdev->pkts_enq_inflight) {
@@ -1503,6 +1504,13 @@ vhost_clear_queue_thread_unsafe(struct vhost_dev *vdev, uint16_t queue_id)
free_pkts(m_enq_cpl, n_pkt);
__atomic_sub_fetch(&vdev->pkts_enq_inflight, n_pkt, __ATOMIC_SEQ_CST);
}
+ } else {
+ while (vdev->pkts_deq_inflight) {
+ n_pkt = rte_vhost_clear_queue_thread_unsafe(vdev->vid,
+ queue_id, m_deq_cpl, vdev->pkts_deq_inflight, dma_id, 0);
+ free_pkts(m_deq_cpl, n_pkt);
+ __atomic_sub_fetch(&vdev->pkts_deq_inflight, n_pkt, __ATOMIC_SEQ_CST);
+ }
}
}
--
2.25.1
next prev parent reply other threads:[~2022-01-17 5:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-17 13:28 [RFC 0/2] support to clear in-flight packets for async Yuan Wang
2022-01-17 13:28 ` [RFC 1/2] vhost: support clear in-flight packets for async dequeue Yuan Wang
2022-01-17 13:28 ` Yuan Wang [this message]
2022-03-11 17:34 ` [RFC v2 0/2] support to clear in-flight packets for async Yuan Wang
2022-03-11 17:34 ` [RFC v2 1/2] vhost: support clear in-flight packets for async dequeue Yuan Wang
2022-03-28 6:08 ` Pai G, Sunil
2022-03-29 9:51 ` Wang, YuanX
2022-03-11 17:34 ` [RFC v2 2/2] example/vhost: support to " Yuan Wang
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