linux-kernel - Re: [PATCH 2/4] io_uring/cmd: Introduce SOCKET_URING_OP

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Message-ID: <ZL+VfRiJQqrrLe/9@gmail.com>
Date:   Tue, 25 Jul 2023 02:27:25 -0700
From:   Breno Leitao <leitao@...ian.org>
To:     Stanislav Fomichev <sdf@...gle.com>
Cc:     asml.silence@...il.com, axboe@...nel.dk, io-uring@...r.kernel.org,
        netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        edumazet@...gle.com, pabeni@...hat.com,
        linux-kernel@...r.kernel.org, leit@...a.com, bpf@...r.kernel.org
Subject: Re: [PATCH 2/4] io_uring/cmd: Introduce SOCKET_URING_OP_GETSOCKOPT

On Mon, Jul 24, 2023 at 10:31:28AM -0700, Stanislav Fomichev wrote:
> On 07/24, Breno Leitao wrote:
> > Add support for getsockopt command (SOCKET_URING_OP_GETSOCKOPT), where
> > level is SOL_SOCKET. This is leveraging the sockptr_t infrastructure,
> > where a sockptr_t is either userspace or kernel space, and handled as
> > such.
> > 
> > Function io_uring_cmd_getsockopt() is inspired by __sys_getsockopt().
> 
> We probably need to also have bpf bits in the new
> io_uring_cmd_getsockopt?

It might be interesting to have the BPF hook for this function as
well, but I would like to do it in a following patch, so, I can
experiment with it better, if that is OK.