netdev - Re: [RFC 0/3] DSA and Marvell 88E6352 802.1q support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <477095690.249160.1432914034177.JavaMail.zimbra@savoirfairelinux.com>
Date:	Fri, 29 May 2015 11:40:34 -0400 (EDT)
From:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:	Scott Feldman <sfeldma@...il.com>
Cc:	netdev <netdev@...r.kernel.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Florian Fainelli <f.fainelli@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	Jérome Oufella 
	<jerome.oufella@...oirfairelinux.com>,
	Chris Healy <cphealy@...il.com>, Jiri Pirko <jiri@...nulli.us>
Subject: Re: [RFC 0/3] DSA and Marvell 88E6352 802.1q support

Hi Scott,

On May 29, 2015, at 1:02 AM, Scott Feldman sfeldma@...il.com wrote:
> On Thu, May 28, 2015 at 2:37 PM, Vivien Didelot <vivien.didelot@...oirfairelinux.com> wrote:
>> This RFC is based on v4.1-rc3.
>>
>> It is meant to get a glance to the commits responsible to implement the
>> necessary NDOs between DSA and the Marvell 88E6352 switch driver.
>>
>> With this support, I am able to create VLANs with (un)tagged ports, setting
>> their default VID, from a bridge.
>>
>> To create a bridge containing all switch ports, with a VLAN ID 400, swp2 and
>> swp3 untagged (pvid), and swp4 tagged, the userspace commands look like this:
>>
>>     ip link add name br0 type bridge
>>     [...]
>>     ip link set dev swp2 up master br0
>>     [...]
>>     bridge vlan add vid 400 pvid untagged dev swp2
>>     bridge vlan add vid 400 pvid untagged dev swp3
>>     bridge vlan add vid 400 dev swp4
>>     [...]
>>     ip link add link br0 name br0.400 type vlan id 400
>>     [...]
>>     bridge vlan add dev br0 vid 400 self
>>
>> The code is currently being rebased to the latest net-next/master.
>>
>> Seems like the way to go now is through switchdev attr getter/setter...
>
> Indeed, for dsa_slave you should be able to port this to switchdev and
> set your ndo_bridge_setlink/dellink handlers to
> switchdev_port_bridge_setlink/dellink.  (And also implement the
> switchdev ops for vlans).
>
> If you use switchdev_port_bridge_setlink/dellink, you shouldn't need
> to implement ndo_vlan_rx_add_vid/ndo_vlan_rx_kill_vid at all.  The
> setlink/dellink callbacks will give the same info (and more, e.g.
> pvid, untagged flags) and you'll automatically get support for stacked
> drivers, for example if you bonded swp2/3 and then included that bond
> in your vlan bridge.  Your commands will be slightly modified: when
> adding the vid to the port, specify master and self:
>
> bridge vlan add vid 400 dev swp4 master self

Thanks a lot! I will send a complete RFC soon.

-v
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html