netdev - Re: [PATCH net-next v2 5/9] nfp: extend flower matching capabilities

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]

Date:   Thu, 29 Jun 2017 17:33:32 +0300
From:   Or Gerlitz <gerlitz.or@...il.com>
To:     Simon Horman <simon.horman@...ronome.com>
Cc:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Linux Netdev List <netdev@...r.kernel.org>,
        oss-drivers@...ronome.com,
        Pieter Jansen van Vuuren 
        <pieter.jansenvanvuuren@...ronome.com>
Subject: Re: [PATCH net-next v2 5/9] nfp: extend flower matching capabilities

On Wed, Jun 28, 2017 at 11:29 PM, Simon Horman
<simon.horman@...ronome.com> wrote:
> +nfp_flower_compile_meta_tci(struct nfp_flower_meta_two *frame,
> +                           struct tc_cls_flower_offload *flow, u8 key_type,
> +                           bool mask_version)

what's the role of the mask_version flag here and elsewhere in the
sister functions?

> +{
> +       struct flow_dissector_key_vlan *flow_vlan;
> +       u16 tmp_tci;
> +
> +       /* Populate the metadata frame. */
> +       frame->nfp_flow_key_layer = key_type;
> +       frame->mask_id = ~0;
> +
> +       if (mask_version) {
> +               frame->tci = cpu_to_be16(~0);
> +               return;
> +       }
> +