linux-kernel - Re: [PATCH net-next v2 0/9] net: Get rid of switchdev_port_attr

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Date:   Fri, 15 Feb 2019 16:37:38 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Cc:     Ido Schimmel <idosch@...lanox.com>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:STAGING SUBSYSTEM" <devel@...verdev.osuosl.org>,
        "moderated list:ETHERNET BRIDGE" <bridge@...ts.linux-foundation.org>,
        jiri@...lanox.com, andrew@...n.ch, vivien.didelot@...il.com
Subject: Re: [PATCH net-next v2 0/9] net: Get rid of switchdev_port_attr_get()

On 2/15/19 2:53 PM, Florian Fainelli wrote:
> Hi all,
> 
> This patch series splits the removal of the switchdev_ops that was
> proposed a few times before and first tackles the easy part which is the
> removal of the single call to switchdev_port_attr_get() within the
> bridge code.
> 
> As suggestd by Ido, this patch series adds a
> SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS which is used in the same
> context as the caller of switchdev_port_attr_set(), so not deferred, and
> then the operation is carried out in deferred context with setting a
> support bridge port flag.
> 
> Follow-up patches will do the switchdev_ops removal after introducing
> the proper helpers for the switchdev blocking notifier to work across
> stacked devices (unlike the previous submissions).

David, please ignore this version, I will repost one that actually
builds, need to keep mangling with my kernel configuration and keep
those drivers enabled...

> 
> Changes in v2:
> 
> - differentiate callers not supporting switchdev_port_attr_set() from
>   the driver not being able to support specific bridge flags
> 
> - pass "mask" instead of "flags" for the PRE_BRIDGE_FLAGS check
> 
> - skip prepare phase for PRE_BRIDGE_FLAGS
> 
> - corrected documentation a bit more
> 
> - tested bridge_vlan_aware.sh with veth/VRF
> 
> Florian Fainelli (9):
>   Documentation: networking: switchdev: Update port parent ID section
>   net: switchdev: Add PORT_PRE_BRIDGE_FLAGS
>   mlxsw: spectrum: Handle PORT_PRE_BRIDGE_FLAGS
>   staging: fsl-dpaa2: ethsw: Handle PORT_PRE_BRIDGE_FLAGS
>   net: dsa: Add setter for SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
>   rocker: Check Handle PORT_PRE_BRIDGE_FLAGS
>   net: bridge: Stop calling switchdev_port_attr_get()
>   net: Remove SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT
>   net: Get rid of switchdev_port_attr_get()
> 
>  Documentation/networking/switchdev.txt        | 16 ++--
>  .../mellanox/mlxsw/spectrum_switchdev.c       | 38 +++++-----
>  drivers/net/ethernet/rocker/rocker_main.c     | 75 +++++++++++--------
>  drivers/staging/fsl-dpaa2/ethsw/ethsw.c       | 32 ++++----
>  include/net/switchdev.h                       | 13 +---
>  net/bridge/br_switchdev.c                     | 11 ++-
>  net/dsa/dsa_priv.h                            |  6 ++
>  net/dsa/port.c                                | 17 +++++
>  net/dsa/slave.c                               | 24 +++---
>  9 files changed, 128 insertions(+), 104 deletions(-)
> 


-- 
Florian