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Date:	Sat, 23 Jan 2016 23:12:32 +0100
From:	Andrew Lunn <andrew@...n.ch>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
	netdev@...r.kernel.org
Subject: Re: [PATCH] net: dsa: fix mv88e6xxx switches

> This shows port 0 is on vlan 0, but it should default to vlan 1 when
> no vlans are configured.  The patch below should at least allow some
> diagnosis of what's being requested, and when.
> 
> diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
> index a43354ed0607..8a9cf67eb16d 100644
> --- a/drivers/net/dsa/mv88e6xxx.c
> +++ b/drivers/net/dsa/mv88e6xxx.c
> @@ -1511,6 +1511,9 @@ int mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
>  	u16 vid;
>  	int err = 0;
>  
> +	printk("%s: port %d vid %u-%u flags %x\n",
> +		__func__, port, vlan->vid_begin, vlan->vid_end, vlan->flags);
> +

Hi Russell

Never called.

So i guess we have a kernel configuration difference.

I don't have CONFIG_BRIDGE_VLAN_FILTERING.

But DSA should not rely on this option for correct operation.

  Andrew

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