linux-kernel - [RFC PATCH 0/7] Rust Socket abstractions

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Message-ID: <20230814092302.1903203-1-dallerivemichele@gmail.com>
Date:   Mon, 14 Aug 2023 11:22:55 +0200
From:   Michele Dalle Rive <dallerivemichele@...il.com>
To:     Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Cc:     Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>,
        Alice Ryhl <aliceryhl@...gle.com>,
        Davide Rovelli <davide.rovelli@....ch>,
        rust-for-linux@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        Michele Dalle Rive <dallerivemichele@...il.com>
Subject: [RFC PATCH 0/7] Rust Socket abstractions

This patch series is intended to create Rust abstractions for Sockets
and other fundamental network entities. 

Specifically, it was added:
- Ip address and Socket address wrappers (for `in_addr`, `in6_addr`,
  `sockaddr_in`, `sockaddr_in6`, `sockaddr_storage`).
- Socket wrapper.
- Socket flags and options enums.
- TCP and UDP specific abstractions over the Rust Socket structure.

This series is a RFC because I would appreciate some feedback about:
- The structure of the module: is the division of the files and modules
  appropriate or should it be more or less fine-grained?
  Also, should the `net` module export all the structures of its
  submodules? I noticed that it is done in the standard library.
- Whether the documentation is comprehensive enough.
- A few other specific questions, written in the individual patches.

I would greatly appreciate any kind of feedback or opinion. 
I am pretty new to the patch/mailing list world, so please point out any
mistake I might make.

The changes in this patch series are based on top of the latest commit
of `rust-next` in the Rust git tree: 
19cd7b5d229c ("btf, scripts: rust: drop is_rust_module.sh")

Michele Dalle Rive (7):
  rust: net: add net module files and shared enums.
  rust: net: add ip and socket address bindings.
  rust: net: add socket-related flags and flagset.
  rust: net: add socket wrapper.
  rust: net: implement socket options API.
  rust: net: add socket TCP wrappers.
  rust: net: add socket UDP wrappers.

 rust/bindings/bindings_helper.h |    3 +
 rust/kernel/lib.rs              |    2 +
 rust/kernel/net.rs              |  185 +++++
 rust/kernel/net/addr.rs         | 1215 ++++++++++++++++++++++++++++++
 rust/kernel/net/ip.rs           |   73 ++
 rust/kernel/net/socket.rs       |  641 ++++++++++++++++
 rust/kernel/net/socket/flags.rs |  467 ++++++++++++
 rust/kernel/net/socket/opts.rs  | 1222 +++++++++++++++++++++++++++++++
 rust/kernel/net/tcp.rs          |  252 +++++++
 rust/kernel/net/udp.rs          |  182 +++++
 10 files changed, 4242 insertions(+)
 create mode 100644 rust/kernel/net.rs
 create mode 100644 rust/kernel/net/addr.rs
 create mode 100644 rust/kernel/net/ip.rs
 create mode 100644 rust/kernel/net/socket.rs
 create mode 100644 rust/kernel/net/socket/flags.rs
 create mode 100644 rust/kernel/net/socket/opts.rs
 create mode 100644 rust/kernel/net/tcp.rs
 create mode 100644 rust/kernel/net/udp.rs

-- 
2.41.0