netdev - Re: [PATCH] net: phy: b53: switchdev driver for Broadcom BCM53xx switches

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Message-ID: <20150226153605.GE8806@lunn.ch>
Date:	Thu, 26 Feb 2015 16:36:05 +0100
From:	Andrew Lunn <andrew@...n.ch>
To:	Rafa?? Mi??ecki <zajec5@...il.com>
Cc:	Florian Fainelli <f.fainelli@...il.com>,
	Andy Gospodarek <gospo@...ulusnetworks.com>,
	"David S. Miller" <davem@...emloft.net>,
	Network Development <netdev@...r.kernel.org>,
	Jonas Gorski <jogo@...nwrt.org>,
	Hauke Mehrtens <hauke@...ke-m.de>,
	Felix Fietkau <nbd@...nwrt.org>, Jiri Pirko <jiri@...nulli.us>
Subject: Re: [PATCH] net: phy: b53: switchdev driver for Broadcom BCM53xx
 switches

> It doesn't really answer my question as I don't see functionality I'm
> looking for in bcm_sf2. I don't see it handling (un)tagging or PVID
> anywhere. It makes me believe such features are not implemented (and
> not configurable) using bridges/dsa at all. Can you any API related to
> untagging / PVID?

The (un)tagging code is in net/dsa/tag_brcm.c This is generic code, so
you would not expect to find it in bcm_sf2. All you need to do is set

        .tag_protocol           = DSA_TAG_PROTO_BRCM,

in your dsa_switch_driver structure and the core DSA code will ensure
the packets gets the header applied/removed.

    Andrew
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