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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 04 Mar 2016 14:10:13 -0800
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Sridhar Samudrala <sridhar.samudrala@...el.com>,
	intel-wired-lan@...ts.osuosl.org, john.r.fastabend@...el.com,
	netdev@...r.kernel.org
Subject: Re: [Intel-wired-lan] [PATCH net-next] net: ixgbe: Fix cls_u32
 offload support for ports and fields with masks.

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 <sridhar.samudrala@...el.com>
> ---
>  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?
Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)