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

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Date:	Mon, 30 Mar 2015 14:00:25 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	sfeldma@...il.com
Cc:	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

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". Therefore the
naming prefix settled to "netdev_switch_". Me personally don't care, I like
both.

>
>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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