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From: Rusty Russell <rusty@rustcorp.com.au>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: qemu-devel@nongnu.org,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org
Subject: Re: [PATCH] virtio-spec: clarify ro/rw bits and updating rule of virtio-net status field
Date: Thu, 22 Mar 2012 15:00:22 +1030	[thread overview]
Message-ID: <87aa399s0x.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20120321063746.GA6773@redhat.com>

On Wed, 21 Mar 2012 08:37:46 +0200, "Michael S. Tsirkin" <mst@redhat.com> wrote:
> Ah. Right, we need to trap for host to clear the bit.
> OK, so let's make the bit RO, and add
> VIRTIO_NET_CTRL_ANNOUNCED to acknowledge that we've
> seen VIRTIO_NET_S_ANNOUNCE using the control VQ?

Thanks, that's nice.  Guest should send arp packets first, then send
VIRTIO_NET_CTRL_ANNOUNCED, and ignore the bit being set in the meantime.

Thanks,
Rusty.
-- 
  How could I marry someone with more hair than me?  http://baldalex.org

WARNING: multiple messages have this Message-ID (diff)
From: Rusty Russell <rusty@rustcorp.com.au>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org, qemu-devel@nongnu.org,
	Christian Borntraeger <borntraeger@de.ibm.com>
Subject: Re: [PATCH] virtio-spec: clarify ro/rw bits and updating rule of virtio-net status field
Date: Thu, 22 Mar 2012 15:00:22 +1030	[thread overview]
Message-ID: <87aa399s0x.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20120321063746.GA6773@redhat.com>

On Wed, 21 Mar 2012 08:37:46 +0200, "Michael S. Tsirkin" <mst@redhat.com> wrote:
> Ah. Right, we need to trap for host to clear the bit.
> OK, so let's make the bit RO, and add
> VIRTIO_NET_CTRL_ANNOUNCED to acknowledge that we've
> seen VIRTIO_NET_S_ANNOUNCE using the control VQ?

Thanks, that's nice.  Guest should send arp packets first, then send
VIRTIO_NET_CTRL_ANNOUNCED, and ignore the bit being set in the meantime.

Thanks,
Rusty.
-- 
  How could I marry someone with more hair than me?  http://baldalex.org

WARNING: multiple messages have this Message-ID (diff)
From: Rusty Russell <rusty@rustcorp.com.au>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: qemu-devel@nongnu.org,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Jason Wang <jasowang@redhat.com>,
	linux-kernel@vger.kernel.org,
	virtualization@lists.linux-foundation.org
Subject: Re: [Qemu-devel] [PATCH] virtio-spec: clarify ro/rw bits and updating rule of virtio-net status field
Date: Thu, 22 Mar 2012 15:00:22 +1030	[thread overview]
Message-ID: <87aa399s0x.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20120321063746.GA6773@redhat.com>

On Wed, 21 Mar 2012 08:37:46 +0200, "Michael S. Tsirkin" <mst@redhat.com> wrote:
> Ah. Right, we need to trap for host to clear the bit.
> OK, so let's make the bit RO, and add
> VIRTIO_NET_CTRL_ANNOUNCED to acknowledge that we've
> seen VIRTIO_NET_S_ANNOUNCE using the control VQ?

Thanks, that's nice.  Guest should send arp packets first, then send
VIRTIO_NET_CTRL_ANNOUNCED, and ignore the bit being set in the meantime.

Thanks,
Rusty.
-- 
  How could I marry someone with more hair than me?  http://baldalex.org

  reply	other threads:[~2012-03-22  4:30 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-20  6:20 [PATCH] virtio-spec: clarify ro/rw bits and updating rule of virtio-net status field Jason Wang
2012-03-20  6:20 ` [Qemu-devel] " Jason Wang
2012-03-20 11:05 ` Rusty Russell
2012-03-20 11:05   ` [Qemu-devel] " Rusty Russell
2012-03-20 22:48   ` Michael S. Tsirkin
2012-03-20 22:48     ` [Qemu-devel] " Michael S. Tsirkin
2012-03-20 22:48     ` Michael S. Tsirkin
2012-03-20 23:40     ` Rusty Russell
2012-03-20 23:40       ` [Qemu-devel] " Rusty Russell
2012-03-20 23:40       ` Rusty Russell
2012-03-21  6:37       ` Michael S. Tsirkin
2012-03-21  6:37         ` [Qemu-devel] " Michael S. Tsirkin
2012-03-21  6:37         ` Michael S. Tsirkin
2012-03-22  4:30         ` Rusty Russell [this message]
2012-03-22  4:30           ` [Qemu-devel] " Rusty Russell
2012-03-22  4:30           ` Rusty Russell
2012-03-23  2:57           ` [Qemu-devel] " Jason Wang
2012-03-23  2:57             ` Jason Wang
2012-03-20 11:05 ` Rusty Russell

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