netdev - Re: [net 1/2] sctp: add transport state in /proc/net/sctp/remaddr

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Message-ID: <20141023205142.GA26825@hmsreliant.think-freely.org>
Date:	Thu, 23 Oct 2014 16:51:42 -0400
From:	Neil Horman <nhorman@...driver.com>
To:	Michele Baldessari <michele@...syn.org>
Cc:	linux-sctp@...r.kernel.org, Vlad Yasevich <vyasevich@...il.com>,
	netdev@...r.kernel.org, dborkman@...hat.com
Subject: Re: [net 1/2] sctp: add transport state in /proc/net/sctp/remaddr

On Thu, Oct 23, 2014 at 09:48:40PM +0200, Michele Baldessari wrote:
> It is often quite helpful to be able to know the state of a transport
> outside of the application itself (for troubleshooting purposes or for
> monitoring purposes). Add it under /proc/net/sctp/remaddr.
> 
> Signed-off-by: Michele Baldessari <michele@...syn.org>
> ---
>  net/sctp/proc.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/net/sctp/proc.c b/net/sctp/proc.c
> index 34229ee7f379..bfb242af06ab 100644
> --- a/net/sctp/proc.c
> +++ b/net/sctp/proc.c
> @@ -417,7 +417,7 @@ static void *sctp_remaddr_seq_start(struct seq_file *seq, loff_t *pos)
>  
>  	if (*pos == 0)
>  		seq_printf(seq, "ADDR ASSOC_ID HB_ACT RTO MAX_PATH_RTX "
> -				"REM_ADDR_RTX  START\n");
> +				"REM_ADDR_RTX START STATE\n");
>  
>  	return (void *)pos;
>  }
> @@ -497,7 +497,13 @@ static int sctp_remaddr_seq_show(struct seq_file *seq, void *v)
>  			 * currently implemented, but we can record it with a
>  			 * jiffies marker in a subsequent patch
>  			 */
> -			seq_printf(seq, "0");
> +			seq_printf(seq, "0 ");
> +
> +			/*
> +			 * The current state of this destination. I.e.
> +			 * SCTP_ACTIVE, SCTP_INACTIVE, ...
> +			 */
> +			seq_printf(seq, "%d", tsp->state);
>  
>  			seq_printf(seq, "\n");
>  		}
> -- 
> 2.1.0
> 
> 

Acked-by: Neil Horman <nhorman@...driver.com>
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