netdev - Re: [PATCH next v5 6/6] bonding: Implement user key part of port

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Date:	Thu, 19 Feb 2015 01:21:02 +0100
From:	Nikolay Aleksandrov <nikolay@...hat.com>
To:	Mahesh Bandewar <maheshb@...gle.com>,
	Jay Vosburgh <j.vosburgh@...il.com>,
	Andy Gospodarek <andy@...yhouse.net>,
	Veaceslav Falico <vfalico@...il.com>,
	David Miller <davem@...emloft.net>
CC:	Maciej Zenczykowski <maze@...gle.com>,
	netdev <netdev@...r.kernel.org>,
	Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH next v5 6/6] bonding: Implement user key part of port_key
 in an AD system.

On 02/18/2015 11:31 PM, Mahesh Bandewar wrote:
> The port key has three components - user-key, speed-part, and duplex-part.
> The LSBit is for the duplex-part, next 5 bits are for the speed while the
> remaining 10 bits are the user defined key bits. Get these 10 bits
> from the user-space (through the SysFs interface) and use it to form the
> admin port-key. Allowed range for the user-key is 0 - 1023 (10 bits). If
> it is not provided then use zero for the user-key-bits (default).
> 
> It can set using following example code -
> 
>    # modprobe bonding mode=4
>    # usr_port_key=$(( RANDOM & 0x3FF ))
>    # echo $usr_port_key > /sys/class/net/bond0/bonding/ad_user_port_key
>    # echo +eth1 > /sys/class/net/bond0/bonding/slaves
>    ...
>    # ip link set bond0 up
> 
> Signed-off-by: Mahesh Bandewar <maheshb@...gle.com>
> ---
> v1:
>   Initial version
> v2:
>   Renamed ad_actor_user_port_key ad_user_port_key
> v3-v4:
>   Rebase
> v5:
>   Cosmetic changes
> 
>  Documentation/networking/bonding.txt | 63 ++++++++++++++++++++++++++++++++++++
>  drivers/net/bonding/bond_3ad.c       | 14 ++++----
>  drivers/net/bonding/bond_main.c      | 10 ++++++
>  drivers/net/bonding/bond_options.c   | 26 +++++++++++++++
>  drivers/net/bonding/bond_sysfs.c     | 15 +++++++++
>  include/net/bond_options.h           |  1 +
>  include/net/bonding.h                |  1 +
>  7 files changed, 123 insertions(+), 7 deletions(-)
> 

Reviewed-by: Nikolay Aleksandrov <nikolay@...hat.com>

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