On Thu, 20 Apr 2017 05:06:35 -0400
Zhu Yanjun <yanjun....@oracle.com> wrote:

> If the speed of the slave netdev is more than 1000M,
> it is better to use 'G' instead of 'M'.
> 
> Signed-off-by: Zhu Yanjun <yanjun....@oracle.com>
> ---
>  drivers/net/bonding/bond_main.c   | 8 ++++++--
>  drivers/net/bonding/bond_procfs.c | 6 +++++-
>  2 files changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
> index af9f0ce..1aad13d 100644
> --- a/drivers/net/bonding/bond_main.c
> +++ b/drivers/net/bonding/bond_main.c
> @@ -2147,9 +2147,13 @@ static void bond_miimon_commit(struct bonding *bond)
>                               bond_set_backup_slave(slave);
>                       }
>  
> -                     netdev_info(bond->dev, "link status definitely up for 
> interface %s, %u Mbps %s duplex\n",
> +                     netdev_info(bond->dev, "link status definitely up for 
> interface %s, %u%sbps %s duplex\n",
>                                   slave->dev->name,
> -                                 slave->speed == SPEED_UNKNOWN ? 0 : 
> slave->speed,
> +                                 slave->speed == SPEED_UNKNOWN ? 0 :
> +                                 (slave->speed > 1000 ?
> +                                 slave->speed / 1000 : slave->speed),
> +                                 slave->speed > 1000 ?
> +                                 slave->speed % 1000 ? ".5 G" : " G" : " M",
>                                   slave->duplex ? "full" : "half");

Or drop the message all together. This is just log noise in a production system.


>  
>                       /* notify ad that the link status has changed */
> diff --git a/drivers/net/bonding/bond_procfs.c 
> b/drivers/net/bonding/bond_procfs.c
> index f514fe5..4c31055 100644
> --- a/drivers/net/bonding/bond_procfs.c
> +++ b/drivers/net/bonding/bond_procfs.c
> @@ -173,7 +173,11 @@ static void bond_info_show_slave(struct seq_file *seq,
>       if (slave->speed == SPEED_UNKNOWN)
>               seq_printf(seq, "Speed: %s\n", "Unknown");
>       else
> -             seq_printf(seq, "Speed: %d Mbps\n", slave->speed);
> +             seq_printf(seq, "Speed: %d%sbps\n",
> +                        slave->speed > 1000 ?
> +                        slave->speed / 1000 : slave->speed,
> +                        slave->speed > 1000 ?
> +                        (slave->speed % 1000 ? ".5 G" : " G") : " M");
>  
>       if (slave->duplex == DUPLEX_UNKNOWN)
>               seq_printf(seq, "Duplex: %s\n", "Unknown");

You can't change output formats of /proc since it technically and 
kernel/userspace ABI.


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