netdev - RE: [PATCH RFC v1 0/3] Support for tap user-space access with veth interfaces

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Message-ID: <2C5142675EC1274EAB6230F72F8DC95F6C101F1F@ORSMSX113.amr.corp.intel.com>
Date:   Wed, 20 Sep 2017 02:38:11 +0000
From:   "Grandhi, Sainath" <sainath.grandhi@...el.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>
Subject: RE: [PATCH RFC v1 0/3] Support for tap user-space access with veth
 interfaces

Just a reminder for feedback.

> -----Original Message-----
> From: Grandhi, Sainath
> Sent: Wednesday, September 06, 2017 5:34 PM
> To: netdev@...r.kernel.org
> Cc: davem@...emloft.net; Grandhi, Sainath <sainath.grandhi@...el.com>
> Subject: [PATCH RFC v1 0/3] Support for tap user-space access with veth
> interfaces
> 
> From: Sainath Grandhi <sainath.grandhi@...el.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
> 
> --
> 2.7.4