Subject: Re: [Intel-wired-lan] [PATCH net-next] net: ixgbe: Fix cls_u32 offload support for ports and fields with masks.

From: Jeff Kirsher <[email-masked]>
Date: Fri, 04 Mar 2016 14:10:13 -0800

On Fri, 2016-03-04 at 11:47 -0800, Sridhar Samudrala wrote:
> Fix support for 16 bit source/dest port matches in ixgbe model.
> u32 uses a single 32-bit key value for both source and destination
> ports
> starting at offset 0. So replace the 2 functions with a single
> function
> that takes this key value/mask to program both source and dest ports.
> 
> Remove the incorrect check for mask in ixgbe_configure_clsu32()
> 
> Tested with the following filters:
> 
>  #tc qdisc add dev p4p1 ingress
>  #tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
>         handle 800:0:1 u32 ht 800: \
>         match ip dst 11.0.0.1/24 match ip src 11.0.0.2/24 action drop
> 
>  #tc filter del dev p4p1 parent ffff: protocol ip prio 99 \
>         handle 800:0:1 u32
>  #tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
>         handle 1: u32 divisor 1
>  #tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
>         handle 800:0:10 u32 ht 800: link 1: \
>         offset at 0 mask 0f00 shift 6 plus 0 eat match ip protocol 6
> ff
>  #tc filter add dev p4p1 parent ffff: protocol ip prio 99 \
>         handle 1:0:10 u32 ht 1: \
>         match tcp src 1024 ffff match tcp dst 80 ffff action drop
> 
> Signed-off-by: Sridhar Samudrala <[email-masked]>
> ---
>  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c  |  3 +--
>  drivers/net/ethernet/intel/ixgbe/ixgbe_model.h | 17 ++++----------
> ---
>  2 files changed, 5 insertions(+), 15 deletions(-)

Is this v2?  If not, why are you re-sending a patch that is already in
my queue?  If so, where is the changelog so we know what changed in
this updated v2 of the patch?