From: Miao Li <miao.li@intel.com>
To: dev@dpdk.org
Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com
Subject: [PATCH v1] net/vhost: add queue status check
Date: Tue, 16 Nov 2021 16:44:46 +0000 [thread overview]
Message-ID: <20211116164446.149453-1-miao.li@intel.com> (raw)
This patch adds queue status check to make sure that vhost monitor
address will not be got until the link between backend and frontend
up and the packets are allowed to be queued.
Signed-off-by: Miao Li <miao.li@intel.com>
---
drivers/net/vhost/rte_eth_vhost.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index 070f0e6dfd..9d600054d8 100644
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -1415,6 +1415,8 @@ vhost_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc)
int ret;
if (vq == NULL)
return -EINVAL;
+ if (unlikely(rte_atomic32_read(&vq->allow_queuing) == 0))
+ return -EINVAL;
ret = rte_vhost_get_monitor_addr(vq->vid, vq->virtqueue_id,
&vhost_pmc);
if (ret < 0)
--
2.25.1
next reply other threads:[~2021-11-16 8:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-16 16:44 Miao Li [this message]
2021-11-16 9:34 ` Maxime Coquelin
2021-11-16 9:36 ` Maxime Coquelin
2021-11-19 6:30 ` Li, Miao
2022-01-31 8:36 ` Maxime Coquelin
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