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: <20220428185739.39cdbb33@kernel.org>
Date:   Thu, 28 Apr 2022 18:57:39 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Mat Martineau <mathew.j.martineau@...ux.intel.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, pabeni@...hat.com,
        matthieu.baerts@...sares.net, mptcp@...ts.linux.dev
Subject: Re: [PATCH net-next 0/6] mptcp: Path manager mode selection

On Wed, 27 Apr 2022 15:49:56 -0700 Mat Martineau wrote:
> MPTCP already has an in-kernel path manager (PM) to add and remove TCP
> subflows associated with a given MPTCP connection. This in-kernel PM has
> been designed to handle typical server-side use cases, but is not very
> flexible or configurable for client devices that may have more
> complicated policies to implement.
> 
> This patch series from the MPTCP tree is the first step toward adding a
> generic-netlink-based API for MPTCP path management, which a privileged
> userspace daemon will be able to use to control subflow
> establishment. These patches add a per-namespace sysctl to select the
> default PM type (in-kernel or userspace) for new MPTCP sockets. New
> self-tests confirm expected behavior when userspace PM is selected but
> there is no daemon available to handle existing MPTCP PM events.
> 
> Subsequent patch series (already staged in the MPTCP tree) will add the
> generic netlink path management API.

Could you link to those patches, maybe? Feels a little strange to add
this sysctl to switch to user space mode now, before we had a chance
to judg^W review the netlink interface.

Does the pm_type switch not fit more neatly into the netlink interface
itself?

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ