netdev - Re: [RFC bpf-next 2/6] net: xdp: RX meta data infrastructure

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, 6 Jul 2018 18:00:13 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     "Waskiewicz Jr, Peter" <peter.waskiewicz.jr@...el.com>,
        "Duyck, Alexander H" <alexander.h.duyck@...el.com>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "saeedm@...lanox.com" <saeedm@...lanox.com>,
        "brouer@...hat.com" <brouer@...hat.com>,
        "borkmann@...earbox.net" <borkmann@...earbox.net>,
        "tariqt@...lanox.com" <tariqt@...lanox.com>,
        "john.fastabend@...il.com" <john.fastabend@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "saeedm@....mellanox.co.il" <saeedm@....mellanox.co.il>
Subject: Re: [RFC bpf-next 2/6] net: xdp: RX meta data infrastructure

On Fri, Jul 06, 2018 at 05:40:43PM -0700, Jakub Kicinski wrote:
> 
> Could we just say that at the start we expose only existing SKB fields
> (csum, hash, mark) and the meaning of the is the same as in the SKB?

what would be the meaning of 'hash' ? Over which fields?
Does it support inner and outer packets? How about udp encap (vxlan and friends) ?
Same question of csum... tcp only? how about crc for sctp?
What is 'mark' ?