linux-kernel - Re: [PATCH net-next 3/4] net: dsa: add support for switchdev FDB objects

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Message-ID: <715366305.202451.1438702982910.JavaMail.zimbra@savoirfairelinux.com>
Date:	Tue, 4 Aug 2015 11:43:02 -0400 (EDT)
From:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:	Scott Feldman <sfeldma@...il.com>
Cc:	netdev <netdev@...r.kernel.org>, David <davem@...emloft.net>,
	Guenter Roeck <linux@...ck-us.net>,
	Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	Jiri Pirko <jiri@...nulli.us>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	kernel <kernel@...oirfairelinux.com>
Subject: Re: [PATCH net-next 3/4] net: dsa: add support for switchdev FDB
 objects

Hi Scott,

On Aug 4, 2015, at 8:18 AM, Scott Feldman sfeldma@...il.com wrote:

> On Mon, Aug 3, 2015 at 11:30 PM, Vivien Didelot
> <vivien.didelot@...oirfairelinux.com> wrote:
>> Remove the fdb_{add,del,getnext} function pointer in favor of new
>> port_fdb_{add,del,getnext}.
>>
>> Implement the switchdev_port_obj_{add,del,dump} functions in DSA to
>> support the SWITCHDEV_OBJ_PORT_FDB objects.
>>
>> These functions are called from switchdev_port_bridge_{get,set,del}link.
>>
>> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
>> ---
>>  drivers/net/dsa/mv88e6171.c |   3 -
>>  drivers/net/dsa/mv88e6352.c |   3 -
>>  include/net/dsa.h           |  16 ++--
>>  net/dsa/slave.c             | 221 ++++++++++++++++++++++++--------------------
>>  4 files changed, 129 insertions(+), 114 deletions(-)
>>
> 
> [cut]
> 
>>  static int dsa_slave_bridge_port_join(struct net_device *dev,
>>                                       struct net_device *br)
>>  {
>> @@ -765,9 +776,9 @@ static const struct net_device_ops dsa_slave_netdev_ops = {
>>         .ndo_change_rx_flags    = dsa_slave_change_rx_flags,
>>         .ndo_set_rx_mode        = dsa_slave_set_rx_mode,
>>         .ndo_set_mac_address    = dsa_slave_set_mac_address,
>> -       .ndo_fdb_add            = dsa_slave_fdb_add,
>> -       .ndo_fdb_del            = dsa_slave_fdb_del,
>> -       .ndo_fdb_dump           = dsa_slave_fdb_dump,
>> +       .ndo_fdb_add            = switchdev_port_fdb_add,
>> +       .ndo_fdb_del            = switchdev_port_fdb_del,
>> +       .ndo_fdb_dump           = switchdev_port_fdb_dump,
>>         .ndo_do_ioctl           = dsa_slave_ioctl,
>>         .ndo_get_iflink         = dsa_slave_get_iflink,
>>  #ifdef CONFIG_NET_POLL_CONTROLLER
>> @@ -775,11 +786,17 @@ static const struct net_device_ops dsa_slave_netdev_ops =
>> {
>>         .ndo_netpoll_cleanup    = dsa_slave_netpoll_cleanup,
>>         .ndo_poll_controller    = dsa_slave_poll_controller,
>>  #endif
>> +       .ndo_bridge_getlink     = switchdev_port_bridge_getlink,
>> +       .ndo_bridge_setlink     = switchdev_port_bridge_setlink,
>> +       .ndo_bridge_dellink     = switchdev_port_bridge_dellink,
>>  };
> 
> These ndo_bridge_xxx changes aren't relevant to the patch, are they?
> You'll need those for VLANs but not for FDBs.

You're right, that is part of my next HW VLAN patchset. I removed them.
I also use ether_addr_copy instead of memcpy, as suggested by
checkpatch.pl.

A v2 is ready, I'll wait a bit for eventual other reviews though.

Thanks,
-v
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