netdev - Re: [PATCH RFC net-next 1/4] ipv4: fib_rules: support match on sport, dport and ip proto

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:   Mon, 12 Feb 2018 14:07:17 -0700
From:   David Ahern <dsa@...ulusnetworks.com>
To:     David Miller <davem@...emloft.net>, eric.dumazet@...il.com
Cc:     roopa@...ulusnetworks.com, netdev@...r.kernel.org,
        nikolay@...ulusnetworks.com
Subject: Re: [PATCH RFC net-next 1/4] ipv4: fib_rules: support match on sport,
 dport and ip proto

On 2/12/18 2:05 PM, David Miller wrote:
> From: Eric Dumazet <eric.dumazet@...il.com>
> Date: Mon, 12 Feb 2018 12:49:33 -0800
> 
>> Any setup with about 20 rules to be evaluated (per packet cost) will
>> feel the pain...
>>
>> I wonder if we could JIT/eBPF this thing.

I had the same comments -- overhead and ebpf and rules, but ...

> 
> That's true for the software implementation angle.
> 
> But I bet anyone actually using this thing will get it hardware
> offloaded.
> 

what Dave said. ;-)