patches for DPDK stable branches
 help / color / mirror / Atom feed
From: "Liu, Yong" <yong.liu@intel.com>
To: "Bie, Tiwei" <tiwei.bie@intel.com>
Cc: "maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>,
	"Wang, Zhihong" <zhihong.wang@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH v3] net/virtio: fix multicast and promisc mode enable failure
Date: Wed, 30 Oct 2019 02:41:02 +0000	[thread overview]
Message-ID: <86228AFD5BCD8E4EBFD2B90117B5E81E633ECD4A@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <20191029122737.GA7883@___>



> -----Original Message-----
> From: Bie, Tiwei
> Sent: Tuesday, October 29, 2019 8:28 PM
> To: Liu, Yong <yong.liu@intel.com>
> Cc: maxime.coquelin@redhat.com; Wang, Zhihong <zhihong.wang@intel.com>;
> dev@dpdk.org; stable@dpdk.org
> Subject: Re: [PATCH v3] net/virtio: fix multicast and promisc mode enable
> failure
> 
> On Tue, Oct 29, 2019 at 12:42:20AM +0800, Marvin Liu wrote:
> > As doc mentioned, promisc and multicast are by-default supported in
> > virtio pmd. Mac/vlan filter are supported by best effort. These control
> > messages should return pass.
> >
> > Fixes: f9b9d1a55775 ("net/virtio-user: add multiple queues in device
> emulation")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Marvin Liu <yong.liu@intel.com>
> > ---
> >  .../net/virtio/virtio_user/virtio_user_dev.c  | 37 ++++++++++++++-----
> >  drivers/net/virtio/virtio_user_ethdev.c       |  4 ++
> >  2 files changed, 31 insertions(+), 10 deletions(-)
> >
> > diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> > index 1c575d0cd..b614dd0c0 100644
> > --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> > +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> > @@ -587,7 +587,7 @@ static uint32_t
> >  virtio_user_handle_ctrl_msg(struct virtio_user_dev *dev, struct vring
> *vring,
> >  			    uint16_t idx_hdr)
> >  {
> > -	struct virtio_net_ctrl_hdr *hdr;
> > +	struct virtio_pmd_ctrl *ctrl;
> 
> We shouldn't use virtio_pmd_ctrl here. The virtio_pmd_ctrl
> is just a private structure defined in virtio PMD (upper layer).
> And we won't put this structure as is in the buffer pointed
> by the descriptor.

Thanks, will change in next version.

> 
> >  	virtio_net_ctrl_ack status = ~0;
> >  	uint16_t i, idx_data, idx_status;
> >  	uint32_t n_descs = 0;
> > @@ -606,13 +606,22 @@ virtio_user_handle_ctrl_msg(struct virtio_user_dev
> *dev, struct vring *vring,
> >  	idx_status = i;
> >  	n_descs++;
> >
> > -	hdr = (void *)(uintptr_t)vring->desc[idx_hdr].addr;
> > -	if (hdr->class == VIRTIO_NET_CTRL_MQ &&
> > -	    hdr->cmd == VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET) {
> > +	ctrl = (void *)(uintptr_t)vring->desc[idx_hdr].addr;
> > +	if (ctrl->hdr.class == VIRTIO_NET_CTRL_MQ &&
> > +	    ctrl->hdr.cmd == VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET) {
> >  		uint16_t queues;
> >
> >  		queues = *(uint16_t *)(uintptr_t)vring->desc[idx_data].addr;
> >  		status = virtio_user_handle_mq(dev, queues);
> > +	} else if (ctrl->hdr.class == VIRTIO_NET_CTRL_RX) {
> > +		if (ctrl->hdr.cmd == VIRTIO_NET_CTRL_RX_PROMISC ||
> > +		    ctrl->hdr.cmd == VIRTIO_NET_CTRL_RX_ALLMULTI) {
> > +			if (ctrl->data[0])
> 
> Why do we need this check?
> 
Promisc and multicast setting should be checked before return. Ctrl data is not the value should be checked. 
Will check the content in idx_data in next version.

> 
> > +				status = 0;
> > +		}
> > +	} else if (ctrl->hdr.class == VIRTIO_NET_CTRL_MAC ||
> > +		   ctrl->hdr.class == VIRTIO_NET_CTRL_VLAN) {
> > +		status = 0;
> >  	}
> >
> >  	/* Update status */
> > @@ -635,7 +644,7 @@ virtio_user_handle_ctrl_msg_packed(struct
> virtio_user_dev *dev,
> >  				   struct vring_packed *vring,
> >  				   uint16_t idx_hdr)
> >  {
> > -	struct virtio_net_ctrl_hdr *hdr;
> > +	struct virtio_pmd_ctrl *ctrl;
> >  	virtio_net_ctrl_ack status = ~0;
> >  	uint16_t idx_data, idx_status;
> >  	/* initialize to one, header is first */
> > @@ -656,14 +665,22 @@ virtio_user_handle_ctrl_msg_packed(struct
> virtio_user_dev *dev,
> >  		n_descs++;
> >  	}
> >
> > -	hdr = (void *)(uintptr_t)vring->desc[idx_hdr].addr;
> > -	if (hdr->class == VIRTIO_NET_CTRL_MQ &&
> > -	    hdr->cmd == VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET) {
> > +	ctrl = (void *)(uintptr_t)vring->desc[idx_hdr].addr;
> > +	if (ctrl->hdr.class == VIRTIO_NET_CTRL_MQ &&
> > +	    ctrl->hdr.cmd == VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET) {
> >  		uint16_t queues;
> >
> > -		queues = *(uint16_t *)(uintptr_t)
> > -				vring->desc[idx_data].addr;
> > +		queues = *(uint16_t *)(uintptr_t)vring->desc[idx_data].addr;
> >  		status = virtio_user_handle_mq(dev, queues);
> > +	} else if (ctrl->hdr.class == VIRTIO_NET_CTRL_RX) {
> > +		if (ctrl->hdr.cmd == VIRTIO_NET_CTRL_RX_PROMISC ||
> > +		    ctrl->hdr.cmd == VIRTIO_NET_CTRL_RX_ALLMULTI) {
> > +			if (ctrl->data[0])
> > +				status = 0;
> > +		}
> > +	} else if (ctrl->hdr.class == VIRTIO_NET_CTRL_MAC ||
> > +		   ctrl->hdr.class == VIRTIO_NET_CTRL_VLAN) {
> > +		status = 0;
> >  	}
> >
> >  	/* Update status */
> > diff --git a/drivers/net/virtio/virtio_user_ethdev.c
> b/drivers/net/virtio/virtio_user_ethdev.c
> > index 3fc172573..18caf5e88 100644
> > --- a/drivers/net/virtio/virtio_user_ethdev.c
> > +++ b/drivers/net/virtio/virtio_user_ethdev.c
> > @@ -660,6 +660,10 @@ virtio_user_pmd_probe(struct rte_vdev_device *dev)
> >  		goto end;
> >  	}
> >
> > +	/* multicast and promisc mode are always enabled */
> > +	eth_dev->data->promiscuous = 1;
> > +	eth_dev->data->all_multicast = 1;
> > +
> >  	hw = eth_dev->data->dev_private;
> >  	if (virtio_user_dev_init(hw->virtio_user_dev, path, queues, cq,
> >  			 queue_size, mac_addr, &ifname, server_mode,
> > --
> > 2.17.1
> >

  reply	other threads:[~2019-10-30  2:41 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-28 15:40 [dpdk-stable] [PATCH] net/virtio: fix " Marvin Liu
2019-10-28 16:24 ` [dpdk-stable] [PATCH v2] net/virtio: fix multicast and " Marvin Liu
2019-10-28 16:42   ` [dpdk-stable] [PATCH v3] " Marvin Liu
2019-10-29 12:27     ` Tiwei Bie
2019-10-30  2:41       ` Liu, Yong [this message]
2019-10-30 10:30     ` [dpdk-stable] [PATCH v4] " Marvin Liu
2019-10-30 15:25       ` [dpdk-stable] [PATCH v5] " Marvin Liu
2019-11-04 10:22         ` [dpdk-stable] [PATCH v6] net/virtio-user: fix failures when setting filters Marvin Liu
2019-11-04  5:00           ` Tiwei Bie
2019-11-06  9:02         ` Marvin Liu
2019-11-06 19:54           ` Maxime Coquelin
2019-11-06 21:00           ` Maxime Coquelin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=86228AFD5BCD8E4EBFD2B90117B5E81E633ECD4A@SHSMSX103.ccr.corp.intel.com \
    --to=yong.liu@intel.com \
    --cc=dev@dpdk.org \
    --cc=maxime.coquelin@redhat.com \
    --cc=stable@dpdk.org \
    --cc=tiwei.bie@intel.com \
    --cc=zhihong.wang@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).