Re: [PATCH net-next 0/3] vhost_net: access ptr ring using tap recvmsg

2019-10-12 Thread Michael S. Tsirkin
On Sat, Oct 12, 2019 at 03:57:21PM +0800, Jason Wang wrote: > > On 2019/10/12 上午9:53, prashantbhole.li...@gmail.com wrote: > > From: Prashant Bhole > > > > vhost_net needs to peek tun packet sizes to allocate virtio buffers. > > Currently it directly accesses tap ptr ring to do it. Jason Wang >

Re: [PATCH net-next 0/3] vhost_net: access ptr ring using tap recvmsg

2019-10-12 Thread Jason Wang
On 2019/10/12 上午9:53, prashantbhole.li...@gmail.com wrote: From: Prashant Bhole vhost_net needs to peek tun packet sizes to allocate virtio buffers. Currently it directly accesses tap ptr ring to do it. Jason Wang suggested to achieve this using msghdr->msg_control and modifying the behavior