netdev - Re: [PATCH net-next v2 1/5] net/mlx5e: Return -EOPNOTSUPP when modify header action zero

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 for Android: free password hash cracker in your pocket

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

Message-ID: <CAJ3xEMgCxO1Cy889fryj8uXirCTjAydo+LRRt-Myx45W8=wDCw@mail.gmail.com>
Date:   Wed, 27 Feb 2019 00:41:18 +0200
From:   Or Gerlitz <gerlitz.or@...il.com>
To:     Tonghao Zhang <xiangxia.m.yue@...il.com>
Cc:     Saeed Mahameed <saeedm@...lanox.com>,
        Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next v2 1/5] net/mlx5e: Return -EOPNOTSUPP when modify
 header action zero

On Mon, Feb 25, 2019 at 1:06 PM <xiangxia.m.yue@...il.com> wrote:

> When max modify header action is zero, we return -EOPNOTSUPP
> directly. In this way, we can ignore wrong message info (e.g.
> "mlx5: parsed 0 pedit actions, can't do more").
>
> This happens when offloading pedit actions on mlx VFs.

this command should work, we support header re-write (pedit offload)
for tc NIC rules

Is this CX5 VF? if yes, something broke

> For example:
> $ tc filter add dev mlx5_vf parent ffff: protocol ip prio 1 \
>         flower skip_sw dst_mac 00:10:56:fb:64:e8 \
>         dst_ip 1.1.1.100 src_ip 1.1.1.200 \
>         action pedit ex munge eth src set 00:10:56:b4:5d:20