netdev - Re: [PATCH net-next v1 2/2] tools/net/ynl: Add multi message support to ynl

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: <20240329144639.0b42dc19@kernel.org>
Date: Fri, 29 Mar 2024 14:46:39 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Donald Hunter <donald.hunter@...il.com>, Pablo Neira Ayuso
 <pablo@...filter.org>
Cc: netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Jiri Pirko
 <jiri@...nulli.us>, Jacob Keller <jacob.e.keller@...el.com>, Stanislav
 Fomichev <sdf@...gle.com>, donald.hunter@...hat.com, fw@...len.de
Subject: Re: [PATCH net-next v1 2/2] tools/net/ynl: Add multi message
 support to ynl

On Fri, 29 Mar 2024 21:01:09 +0000 Donald Hunter wrote:
> There's no response for 'batch-begin' or 'batch-end'. We may need a
> per op spec property to tell us if a request will be acknowledged.

:(

Pablo, could we possibly start processing the ACK flags on those
messages? Maybe the existing user space doesn't set ACK so nobody
would notice?

I don't think the messages are otherwise marked as special from 
the "netlink layer" perspective.

> > I think this was a blind spot on my part because nftables doesn't
> > support batch for get operations:
> >
> > https://elixir.bootlin.com/linux/latest/source/net/netfilter/nf_tables_api.c#L9092
> >
> > I'll need to try using multi for gets without any batch messages and see how
> > everything behaves.  
> 
> Okay, so it can be made to work. Will incorporate into the next revision:

Great!