netdev - Re: [PATCH v2 0/5] Rust abstractions for network device drivers

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: <20230710112952.6f3c45dd@kernel.org>
Date: Mon, 10 Jul 2023 11:29:52 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: FUJITA Tomonori <fujita.tomonori@...il.com>
Cc: rust-for-linux@...r.kernel.org, netdev@...r.kernel.org, andrew@...n.ch,
 aliceryhl@...gle.com, miguel.ojeda.sandonis@...il.com,
 benno.lossin@...ton.me
Subject: Re: [PATCH v2 0/5] Rust abstractions for network device drivers

On Mon, 10 Jul 2023 16:36:58 +0900 FUJITA Tomonori wrote:
> This patchset adds minimum Rust abstractions for network device
> drivers and an example of a Rust network device driver, a simpler
> version of drivers/net/dummy.c.
> 
> The major change is a way to drop an skb (1/5 patch); a driver needs
> to explicitly call a function to drop a skb. The code to let a skb
> go out of scope can't be compiled.
> 
> I dropped get_stats64 support patch that the current sample driver
> doesn't use. Instead I added a patch to update the NETWORKING DRIVERS
> entry in MAINTAINERS.

I'd like to double down on my suggestion to try to implement a real
PHY driver. Most of the bindings in patch 3 will never be used by
drivers. (Re)implementing a real driver will guide you towards useful
stuff and real problems.