From: Jason Wang <jasowang@redhat.com>
To: sainath.grandhi@intel.com, netdev@vger.kernel.org
Cc: davem@davemloft.net
Subject: Re: [PATCH RFC v1 0/3] Support for tap user-space access with veth interfaces
Date: Thu, 14 Sep 2017 12:12:50 +0800 [thread overview]
Message-ID: <64127ea9-7021-6af9-ff00-0f1e57d8c39b@redhat.com> (raw)
In-Reply-To: <1504744467-79590-1-git-send-email-sainath.grandhi@intel.com>
On 2017年09月07日 08:34, sainath.grandhi@intel.com wrote:
> From: Sainath Grandhi <sainath.grandhi@intel.com>
>
> This patchset adds a tap device driver for veth virtual network interface.
> With this implementation, tap character interface can be added only to the
> peer veth interface. Adding tap interface to veth is for usecases that forwards
> packets between host and VMs. This eliminates the need for an additional
> software bridge. This can be extended to create both the peer interfaces as
> tap interfaces. These patches are a step in that direction.
>
> Sainath Grandhi (3):
> net: Adding API to parse IFLA_LINKINFO attribute
> net: Abstracting out common routines from veth for use by vethtap
> vethtap: veth based tap driver
>
> drivers/net/Kconfig | 1 +
> drivers/net/Makefile | 2 +
> drivers/net/{veth.c => veth_main.c} | 80 ++++++++++---
> drivers/net/vethtap.c | 216 ++++++++++++++++++++++++++++++++++++
> include/linux/if_veth.h | 13 +++
> include/net/rtnetlink.h | 3 +
> net/core/rtnetlink.c | 8 ++
> 7 files changed, 308 insertions(+), 15 deletions(-)
> rename drivers/net/{veth.c => veth_main.c} (89%)
> create mode 100644 drivers/net/vethtap.c
> create mode 100644 include/linux/if_veth.h
>
Interesting, plan to add vhost support for this? And we can enable
zerocopy without any worries I think.
Thanks
next prev parent reply other threads:[~2017-09-14 4:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-07 0:34 [PATCH RFC v1 0/3] Support for tap user-space access with veth interfaces sainath.grandhi
2017-09-07 0:34 ` [PATCH RFC v1 1/3] net: Adding API to parse IFLA_LINKINFO attribute sainath.grandhi
2017-09-07 0:34 ` [PATCH RFC v1 2/3] net: Abstracting out common routines from veth for use by vethtap sainath.grandhi
2017-09-07 0:34 ` [PATCH RFC v1 3/3] vethtap: veth based tap driver sainath.grandhi
2017-09-14 4:12 ` Jason Wang [this message]
2017-09-20 2:38 ` [PATCH RFC v1 0/3] Support for tap user-space access with veth interfaces Grandhi, Sainath
2017-10-09 21:51 ` Grandhi, Sainath
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