From: "Xia, Chenbo" <chenbo.xia@intel.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"Fu, Patrick" <patrick.fu@intel.com>,
"amorenoz@redhat.com" <amorenoz@redhat.com>
Subject: Re: [dpdk-dev] [PATCH v3 5/8] net/virtio: check protocol feature in user backend
Date: Wed, 30 Sep 2020 05:49:48 +0000 [thread overview]
Message-ID: <MN2PR11MB406331B689C9499218CFC7D89C330@MN2PR11MB4063.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20200929161404.124580-6-maxime.coquelin@redhat.com>
> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin@redhat.com>
> Sent: Wednesday, September 30, 2020 12:14 AM
> To: dev@dpdk.org; Xia, Chenbo <chenbo.xia@intel.com>; Fu, Patrick
> <patrick.fu@intel.com>; amorenoz@redhat.com
> Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
> Subject: [PATCH v3 5/8] net/virtio: check protocol feature in user backend
>
> When sending set status message, move protocol feature check
> to vhost_user to be compatible with different backend types.
>
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
> drivers/net/virtio/virtio_user/vhost_user.c | 6 +++++-
> drivers/net/virtio/virtio_user/virtio_user_dev.c | 6 ------
> 2 files changed, 5 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/net/virtio/virtio_user/vhost_user.c
> b/drivers/net/virtio/virtio_user/vhost_user.c
> index 12b6c7dbcf..ef290c357b 100644
> --- a/drivers/net/virtio/virtio_user/vhost_user.c
> +++ b/drivers/net/virtio/virtio_user/vhost_user.c
> @@ -277,9 +277,13 @@ vhost_user_sock(struct virtio_user_dev *dev,
> msg.size = 0;
>
> switch (req) {
> + case VHOST_USER_GET_STATUS:
> + if (!(dev->protocol_features &
> + (1ULL << VHOST_USER_PROTOCOL_F_STATUS)))
> + return 0;
> + /* Fallthrough */
> case VHOST_USER_GET_FEATURES:
> case VHOST_USER_GET_PROTOCOL_FEATURES:
> - case VHOST_USER_GET_STATUS:
> need_reply = 1;
> break;
>
> diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> index b79a9f84aa..d7cd6b0346 100644
> --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> @@ -788,9 +788,6 @@ virtio_user_send_status_update(struct virtio_user_dev
> *dev, uint8_t status)
> if (dev->backend_type != VIRTIO_USER_BACKEND_VHOST_USER)
> return 0;
>
> - if (!(dev->protocol_features & (1ULL <<
> VHOST_USER_PROTOCOL_F_STATUS)))
> - return 0;
> -
> ret = dev->ops->send_request(dev, VHOST_USER_SET_STATUS, &arg);
> if (ret) {
> PMD_INIT_LOG(ERR, "VHOST_USER_SET_STATUS failed (%d): %s", ret,
> @@ -811,9 +808,6 @@ virtio_user_update_status(struct virtio_user_dev *dev)
> if (dev->backend_type != VIRTIO_USER_BACKEND_VHOST_USER)
> return 0;
>
> - if (!(dev->protocol_features & (1UL <<
> VHOST_USER_PROTOCOL_F_STATUS)))
> - return 0;
> -
> err = dev->ops->send_request(dev, VHOST_USER_GET_STATUS, &ret);
> if (err) {
> PMD_INIT_LOG(ERR, "VHOST_USER_GET_STATUS failed (%d): %s", err,
> --
> 2.26.2
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
next prev parent reply other threads:[~2020-09-30 5:50 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-29 16:13 [dpdk-dev] [PATCH v3 0/8] virtio-user: introduce vhost-vdpa backend Maxime Coquelin
2020-09-29 16:13 ` [dpdk-dev] [PATCH v3 1/8] bus/vdev: add DMA mapping ops Maxime Coquelin
2020-09-30 5:47 ` Xia, Chenbo
2020-09-29 16:13 ` [dpdk-dev] [PATCH v3 2/8] net/virtio: introduce DMA ops Maxime Coquelin
2020-09-30 5:47 ` Xia, Chenbo
2020-09-29 16:13 ` [dpdk-dev] [PATCH v3 3/8] net/virtio: move backend type selection to ethdev Maxime Coquelin
2020-09-30 5:49 ` Xia, Chenbo
2020-10-16 5:42 ` Wang, Yinan
2020-10-16 5:58 ` Wang, Yinan
2020-10-20 1:52 ` Wang, Yinan
2020-10-20 7:11 ` Maxime Coquelin
2020-10-20 7:20 ` Adrian Moreno
2020-09-29 16:14 ` [dpdk-dev] [PATCH v3 4/8] net/virtio: introduce Vhost-vDPA backend type Maxime Coquelin
2020-09-30 5:49 ` Xia, Chenbo
2020-09-29 16:14 ` [dpdk-dev] [PATCH v3 5/8] net/virtio: check protocol feature in user backend Maxime Coquelin
2020-09-30 5:49 ` Xia, Chenbo [this message]
2020-09-29 16:14 ` [dpdk-dev] [PATCH v3 6/8] net/virtio: adapt Virtio-user status size Maxime Coquelin
2020-09-30 5:49 ` Xia, Chenbo
2020-09-29 16:14 ` [dpdk-dev] [PATCH v3 7/8] net/virtio: split virtio-user start Maxime Coquelin
2020-09-30 5:49 ` Xia, Chenbo
2020-09-29 16:14 ` [dpdk-dev] [PATCH v3 8/8] net/virtio: introduce Vhost-vDPA backend Maxime Coquelin
2020-09-30 5:49 ` Xia, Chenbo
2020-09-30 16:22 ` [dpdk-dev] [PATCH v3 0/8] virtio-user: introduce vhost-vdpa backend Maxime Coquelin
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