netdev - Re: [PATCH iproute2 net-next V5] tc: flower: Refactor matching flags to be more user friendly

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]

Message-ID: <20170119154817.26240372@griffin>
Date:   Thu, 19 Jan 2017 15:48:17 +0100
From:   Jiri Benc <jbenc@...hat.com>
To:     Paul Blakey <paulb@...lanox.com>
Cc:     Stephen Hemminger <stephen@...workplumber.org>,
        netdev@...r.kernel.org, Jiri Pirko <jiri@...lanox.com>,
        Or Gerlitz <ogerlitz@...lanox.com>,
        Roi Dayan <roid@...lanox.com>,
        Simon Horman <simon.horman@...ronome.com>
Subject: Re: [PATCH iproute2 net-next V5] tc: flower: Refactor matching
 flags to be more user friendly

On Thu, 19 Jan 2017 16:27:53 +0200, Paul Blakey wrote:
> Instead of "magic numbers" we can now specify each flag
> by name. Prefix of "no"  (e.g nofrag) unsets the flag,
> otherwise it wil be set.
> 
> Example:
>     # add a flower filter that will drop fragmented packets
>     tc filter add dev ens4f0 protocol ip parent ffff: \
>             flower \
>             src_mac e4:1d:2d:fd:8b:01 \
>             dst_mac e4:1d:2d:fd:8b:02 \
>             indev ens4f0 \
>             ip_flags frag \
>     action drop
> 
>     # add a flower filter that will drop non-fragmented packets
>     tc filter add dev ens4f0 protocol ip parent ffff: \
>             flower \
>             src_mac e4:1d:2d:fd:8b:01 \
>             dst_mac e4:1d:2d:fd:8b:02 \
>             indev ens4f0 \
>             ip_flags nofrag \
>     action drop
> 
> Fixes: 22a8f019891c ('tc: flower: support matching flags')
> Signed-off-by: Paul Blakey <paulb@...lanox.com>
> Reviewed-by: Roi Dayan <roid@...lanox.com>

Reviewed-by: Jiri Benc <jbenc@...hat.com>