netdev - Re: [PATCH] bridge: make brctl showstp display port id

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Message-ID: <20120430090747.1d64198b@nehalam.linuxnetplumber.net>
Date:	Mon, 30 Apr 2012 09:07:47 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] bridge: make brctl showstp display port id

On Mon, 30 Apr 2012 10:39:08 +0200
Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se> wrote:

> My brctl showstp br0 always shows a 0 port id:
> eth2 (1)
>  port id		0			state		       disabled
>  designated root	8000.00069c00b2fb	path cost		 100
> 
> because port id is printed as a hex number in sys fs. Change the
> two hex occurrences(port no and port id) to decimal, just like all
> the other numbers in this area.
> 
> Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>
> ---
>  net/bridge/br_sysfs_if.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
> index fd5799c..9c4c2eb 100644
> --- a/net/bridge/br_sysfs_if.c
> +++ b/net/bridge/br_sysfs_if.c
> @@ -86,13 +86,13 @@ static BRPORT_ATTR(designated_cost, S_IRUGO, show_designated_cost, NULL);
>  
>  static ssize_t show_port_id(struct net_bridge_port *p, char *buf)
>  {
> -	return sprintf(buf, "0x%x\n", p->port_id);
> +	return sprintf(buf, "%d\n", p->port_id);
>  }
>  static BRPORT_ATTR(port_id, S_IRUGO, show_port_id, NULL);
>  
>  static ssize_t show_port_no(struct net_bridge_port *p, char *buf)
>  {
> -	return sprintf(buf, "0x%x\n", p->port_no);
> +	return sprintf(buf, "%d\n", p->port_no);
>  }
>  
>  static BRPORT_ATTR(port_no, S_IRUGO, show_port_no, NULL);

No. This would be a visible change to applications.
The bridge utilities should be fixed instead.
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