netdev - Re: [PATCH net-next 00/18] switchdev: spring cleanup

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Date:	Mon, 30 Mar 2015 09:11:23 -0400
From:	Andy Gospodarek <gospo@...ulusnetworks.com>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	sfeldma@...il.com, netdev@...r.kernel.org,
	roopa@...ulusnetworks.com, linux@...ck-us.net, f.fainelli@...il.com
Subject: Re: [PATCH net-next 00/18] switchdev: spring cleanup

On Mon, Mar 30, 2015 at 02:00:25PM +0200, Jiri Pirko wrote:
> Mon, Mar 30, 2015 at 10:40:18AM CEST, sfeldma@...il.com wrote:
> >From: Scott Feldman <sfeldma@...il.com>
> >
> >The main theme of this patch set is to cleanup swdev in preparation for
> >new features or fixes to be added soon.  We have a pretty good idea now how
> >to handle stacked drivers in swdev, but there where some loose ends.  For
> >example, if a set failed in the middle of walking the lower devs, we would
> >leave the system in an undefined state...there was no way to recover back to
> >the previous state.  Speaking of sets, also recognize a pattern that most
> >swdev API accesses are gets or sets of port attributes, so go ahead and make
> >port attr get/set the central swdev API, and convert everything that is
> >set-ish/get-ish to this new API.
> >
> >Features/fixes that should follow from this cleanup:
> >
> > - solve the duplicate pkt forwarding issue
> > - get/set bridge attrs, like ageing_time, from/to device
> > - get/set more bridge port attrs from/to device
> >
> >There are some rename cleanups tagging along at the end, to give swdev
> >consistent naming.
> 
> As you can see in the switchdev patch submission history, I originally
> pushed this with "swdev_" previx. Turned out people did not like that
> because "sw" can be easily misunderstood as "software". 

I agree with this.

> 
> >
> >And finally, some much needed updates to the switchdev.txt documentation to
> >hopefully capture the state-of-the-art of swdev.  Hopefully, we can do a better
> >job keeping this document up-to-date.
> >
> >Tested with rocker, of course, to make sure nothing functional broke.  There
> >are a couple minor tweaks to DSA code for getting switch ID and setting STP
> >updates to use new API, but not expecting amy breakage there.
> >
> >
> >Scott Feldman (18):
> >  switchdev: introduce get/set attrs ops
> >  switchdev: flesh out get/set attr ops
> >  switchdev: convert parent_id_get to swdev attr get
> >  switchdev: convert STP update to swdev attr set
> >  switchdev: add bridge port flags attr
> >  rocker: use swdev get/set attr for bridge port flags
> >  switchdev: add new swdev bridge setlink
> >  rocker: cut over to new swdev_port_bridge_setlink
> >  bonding: cut over to new swdev_port_bridge_setlink
> >  team: cut over to new swdev_port_bridge_setlink
> >  switchdev: remove old netdev_switch_port_bridge_setlink
> >  switchdev: remove unused netdev_switch_port_bridge_dellink
> >  switchdev: remove unused NETIF_F_HW_SWITCH_OFFLOAD
> >  switchdev: add new swdev_port_bridge_getlink
> >  rocker: cut over to new swdev_port_bridge_getlink
> >  switchdev: rename netdev_switch_fib_* to swdev_fib_*
> >  switchdev: rename netdev_switch_notifier_* to swdev_notifier_*
> >  switchdev: bring documentation up-to-date
> >
> > Documentation/networking/switchdev.txt |  426 +++++++++++++++++++++++++++-----
> > drivers/net/bonding/bond_main.c        |    8 +-
> > drivers/net/ethernet/rocker/rocker.c   |  108 +++-----
> > drivers/net/team/team.c                |    5 +-
> > include/linux/netdev_features.h        |    5 +-
> > include/net/switchdev.h                |  144 ++++++-----
> > net/bridge/br.c                        |   22 +-
> > net/bridge/br_netlink.c                |   24 +-
> > net/bridge/br_stp.c                    |    6 +-
> > net/core/ethtool.c                     |    1 -
> > net/core/net-sysfs.c                   |   10 +-
> > net/core/rtnetlink.c                   |    9 +-
> > net/dsa/slave.c                        |   35 ++-
> > net/ipv4/fib_trie.c                    |   38 ++-
> > net/switchdev/switchdev.c              |  334 ++++++++++++++-----------
> > 15 files changed, 750 insertions(+), 425 deletions(-)
> >
> >-- 
> >1.7.10.4
> >
> --
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