* [dpdk-dev] [PATCH] vhost: fix check peer close
@ 2020-04-03 6:27 qikai
0 siblings, 0 replies; 7+ messages in thread
From: qikai @ 2020-04-03 6:27 UTC (permalink / raw)
To: dev; +Cc: qikai
In process_slave_message_reply(), there is a possibility that receiving a peer close message instead of a real message response.
this patch targeting to handle the peer close scenario and report the correct error message.
Signed-off-by: qikai <roland.qi@ucloud.cn>
---
lib/librte_vhost/vhost_user.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index bd1be0104..971ccdb01 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -2812,11 +2812,19 @@ static int process_slave_message_reply(struct virtio_net *dev,
if ((msg->flags & VHOST_USER_NEED_REPLY) == 0)
return 0;
- if (read_vhost_message(dev->slave_req_fd, &msg_reply) < 0) {
+ ret = read_vhost_message(dev->slave_req_fd, &msg_reply);
+ if (ret <= 0) {
+ if (ret < 0)
+ VHOST_LOG_CONFIG(ERR,
+ "vhost read slave message reply failed\n");
+ else
+ VHOST_LOG_CONFIG(INFO,
+ "vhost peer closed\n");
ret = -1;
goto out;
}
+ ret = 0;
if (msg_reply.request.slave != msg->request.slave) {
VHOST_LOG_CONFIG(ERR,
"Received unexpected msg type (%u), expected %u\n",
--
2.23.0.windows.1
^ permalink raw reply [flat|nested] 7+ messages in thread* [dpdk-dev] [PATCH] vhost: fix check peer close
@ 2020-04-07 3:45 qikai
2020-04-17 14:10 ` Maxime Coquelin
0 siblings, 1 reply; 7+ messages in thread
From: qikai @ 2020-04-07 3:45 UTC (permalink / raw)
To: dev; +Cc: qikai
In process_slave_message_reply(), there is a
possibility that receiving a peer close
message instead of a real message response.
this patch targeting to handle the peer close
scenario and report the correct error message.
Signed-off-by: qikai <roland.qi@ucloud.cn>
---
lib/librte_vhost/vhost_user.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index bd1be0104..971ccdb01 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -2812,11 +2812,19 @@ static int process_slave_message_reply(struct virtio_net *dev,
if ((msg->flags & VHOST_USER_NEED_REPLY) == 0)
return 0;
- if (read_vhost_message(dev->slave_req_fd, &msg_reply) < 0) {
+ ret = read_vhost_message(dev->slave_req_fd, &msg_reply);
+ if (ret <= 0) {
+ if (ret < 0)
+ VHOST_LOG_CONFIG(ERR,
+ "vhost read slave message reply failed\n");
+ else
+ VHOST_LOG_CONFIG(INFO,
+ "vhost peer closed\n");
ret = -1;
goto out;
}
+ ret = 0;
if (msg_reply.request.slave != msg->request.slave) {
VHOST_LOG_CONFIG(ERR,
"Received unexpected msg type (%u), expected %u\n",
--
2.23.0.windows.1
^ permalink raw reply [flat|nested] 7+ messages in thread* Re: [dpdk-dev] [PATCH] vhost: fix check peer close
2020-04-07 3:45 qikai
@ 2020-04-17 14:10 ` Maxime Coquelin
0 siblings, 0 replies; 7+ messages in thread
From: Maxime Coquelin @ 2020-04-17 14:10 UTC (permalink / raw)
To: qikai, dev
On 4/7/20 5:45 AM, qikai wrote:
> In process_slave_message_reply(), there is a
> possibility that receiving a peer close
> message instead of a real message response.
>
> this patch targeting to handle the peer close
> scenario and report the correct error message.
>
> Signed-off-by: qikai <roland.qi@ucloud.cn>
Could you please provide you full name to be compliant with
the contribution guidelines?
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Thanks,
Maxime
> ---
> lib/librte_vhost/vhost_user.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
> index bd1be0104..971ccdb01 100644
> --- a/lib/librte_vhost/vhost_user.c
> +++ b/lib/librte_vhost/vhost_user.c
> @@ -2812,11 +2812,19 @@ static int process_slave_message_reply(struct virtio_net *dev,
> if ((msg->flags & VHOST_USER_NEED_REPLY) == 0)
> return 0;
>
> - if (read_vhost_message(dev->slave_req_fd, &msg_reply) < 0) {
> + ret = read_vhost_message(dev->slave_req_fd, &msg_reply);
> + if (ret <= 0) {
> + if (ret < 0)
> + VHOST_LOG_CONFIG(ERR,
> + "vhost read slave message reply failed\n");
> + else
> + VHOST_LOG_CONFIG(INFO,
> + "vhost peer closed\n");
> ret = -1;
> goto out;
> }
>
> + ret = 0;
> if (msg_reply.request.slave != msg->request.slave) {
> VHOST_LOG_CONFIG(ERR,
> "Received unexpected msg type (%u), expected %u\n",
>
^ permalink raw reply [flat|nested] 7+ messages in thread
* [dpdk-dev] [PATCH] vhost: fix check peer close
@ 2020-04-21 7:52 Roland Qi
0 siblings, 0 replies; 7+ messages in thread
From: Roland Qi @ 2020-04-21 7:52 UTC (permalink / raw)
To: dev; +Cc: maxime.coquelin, qikai
From: qikai <roland.qi@ucloud.cn>
In process_slave_message_reply(), there is a
possibility that receiving a peer close
message instead of a real message response.
this patch targeting to handle the peer close
scenario and report the correct error message.
Signed-off-by: Roland Qi <roland.qi@ucloud.cn>
---
lib/librte_vhost/vhost_user.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index bd1be0104..971ccdb01 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -2812,11 +2812,19 @@ static int process_slave_message_reply(struct virtio_net *dev,
if ((msg->flags & VHOST_USER_NEED_REPLY) == 0)
return 0;
- if (read_vhost_message(dev->slave_req_fd, &msg_reply) < 0) {
+ ret = read_vhost_message(dev->slave_req_fd, &msg_reply);
+ if (ret <= 0) {
+ if (ret < 0)
+ VHOST_LOG_CONFIG(ERR,
+ "vhost read slave message reply failed\n");
+ else
+ VHOST_LOG_CONFIG(INFO,
+ "vhost peer closed\n");
ret = -1;
goto out;
}
+ ret = 0;
if (msg_reply.request.slave != msg->request.slave) {
VHOST_LOG_CONFIG(ERR,
"Received unexpected msg type (%u), expected %u\n",
--
2.23.0.windows.1
^ permalink raw reply [flat|nested] 7+ messages in thread* [dpdk-dev] [PATCH] vhost: fix check peer close
@ 2020-04-21 8:59 Roland Qi
2020-04-27 8:53 ` Maxime Coquelin
2020-04-28 16:06 ` Maxime Coquelin
0 siblings, 2 replies; 7+ messages in thread
From: Roland Qi @ 2020-04-21 8:59 UTC (permalink / raw)
To: dev; +Cc: Roland Qi
In process_slave_message_reply(), there is a
possibility that receiving a peer close
message instead of a real message response.
this patch targeting to handle the peer close
scenario and report the correct error message.
Signed-off-by: Roland Qi <roland.qi@ucloud.cn>
---
lib/librte_vhost/vhost_user.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index bd1be0104..971ccdb01 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -2812,11 +2812,19 @@ static int process_slave_message_reply(struct virtio_net *dev,
if ((msg->flags & VHOST_USER_NEED_REPLY) == 0)
return 0;
- if (read_vhost_message(dev->slave_req_fd, &msg_reply) < 0) {
+ ret = read_vhost_message(dev->slave_req_fd, &msg_reply);
+ if (ret <= 0) {
+ if (ret < 0)
+ VHOST_LOG_CONFIG(ERR,
+ "vhost read slave message reply failed\n");
+ else
+ VHOST_LOG_CONFIG(INFO,
+ "vhost peer closed\n");
ret = -1;
goto out;
}
+ ret = 0;
if (msg_reply.request.slave != msg->request.slave) {
VHOST_LOG_CONFIG(ERR,
"Received unexpected msg type (%u), expected %u\n",
--
2.23.0.windows.1
^ permalink raw reply [flat|nested] 7+ messages in thread* Re: [dpdk-dev] [PATCH] vhost: fix check peer close
2020-04-21 8:59 Roland Qi
@ 2020-04-27 8:53 ` Maxime Coquelin
2020-04-28 16:06 ` Maxime Coquelin
1 sibling, 0 replies; 7+ messages in thread
From: Maxime Coquelin @ 2020-04-27 8:53 UTC (permalink / raw)
To: Roland Qi, dev
On 4/21/20 10:59 AM, Roland Qi wrote:
> In process_slave_message_reply(), there is a
> possibility that receiving a peer close
> message instead of a real message response.
>
> this patch targeting to handle the peer close
> scenario and report the correct error message.
>
> Signed-off-by: Roland Qi <roland.qi@ucloud.cn>
> ---
> lib/librte_vhost/vhost_user.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Thanks,
Maxime
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [dpdk-dev] [PATCH] vhost: fix check peer close
2020-04-21 8:59 Roland Qi
2020-04-27 8:53 ` Maxime Coquelin
@ 2020-04-28 16:06 ` Maxime Coquelin
1 sibling, 0 replies; 7+ messages in thread
From: Maxime Coquelin @ 2020-04-28 16:06 UTC (permalink / raw)
To: Roland Qi, dev
On 4/21/20 10:59 AM, Roland Qi wrote:
> In process_slave_message_reply(), there is a
> possibility that receiving a peer close
> message instead of a real message response.
>
> this patch targeting to handle the peer close
> scenario and report the correct error message.
>
> Signed-off-by: Roland Qi <roland.qi@ucloud.cn>
> ---
> lib/librte_vhost/vhost_user.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
Applied to dpdk-next-virtio/master
Thanks,
Maxime
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2020-04-28 16:06 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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2020-04-03 6:27 [dpdk-dev] [PATCH] vhost: fix check peer close qikai
2020-04-07 3:45 qikai
2020-04-17 14:10 ` Maxime Coquelin
2020-04-21 7:52 Roland Qi
2020-04-21 8:59 Roland Qi
2020-04-27 8:53 ` Maxime Coquelin
2020-04-28 16:06 ` Maxime Coquelin
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