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[46.138.191.69]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-38bf9aa7cd0sm32567841fa.32.2026.03.24.08.53.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Mar 2026 08:53:10 -0700 (PDT) From: Artem Lytkin To: netdev@vger.kernel.org, rust-for-linux@vger.kernel.org Cc: fujita.tomonori@gmail.com, andrew@lunn.ch, hkallweit1@gmail.com, tmgross@umich.edu, ojeda@kernel.org, dakr@kernel.org Subject: [PATCH net-next v2 0/5] rust: phy: extend abstractions for real-world PHY drivers Date: Tue, 24 Mar 2026 18:52:44 +0300 Message-ID: <20260324155249.15098-1-iprintercanon@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series extends the Rust PHY abstractions in rust/kernel/net/phy.rs with features needed to write production-quality Rust PHY drivers, and adds a Realtek RTL8211F driver as the first user of these APIs. Patches 1-4 add new Device accessors, register manipulation helpers, driver callbacks (config_init, read_page/write_page, config_intr, handle_interrupt), and interrupt support infrastructure. Patch 5 adds a Rust RTL8211F Gigabit Ethernet PHY driver that exercises all the new abstractions. The driver implements RGMII delay configuration, PHY EEE disable, paged register access, and interrupt-driven link detection. ALDPS, CLKOUT, and WoL are omitted as they require per-device private data not yet available in the abstraction. PME interrupts are not handled for the same reason. config_init was previously proposed in an RFC for the Rockchip PHY driver [1] but not merged at that time. This series re-introduces it in a form consistent with the existing vtable infrastructure. Changes since v1: - Added cover letter (Andrew) - Fixed Subject prefix to net-next (Andrew) - Added RTL8211F driver as API user (Andrew) - Fixed rustfmt issues reported by kernel test robot - Removed RGMII from interface() doc example (Andrew) [1] https://lore.kernel.org/lkml/20240201-rockchip-rust-phy_depend-v2-0-c5fa4faab924@christina-quast.de/ Artem Lytkin (5): rust: phy: add read-only device field accessors rust: phy: add paged register access and bit manipulation helpers rust: phy: add config_init, read_page, and write_page callbacks rust: phy: add interrupt support net: phy: realtek: add Rust RTL8211F PHY driver drivers/net/phy/realtek/Kconfig | 12 ++ drivers/net/phy/realtek/Makefile | 1 + drivers/net/phy/realtek/rtl8211f_rust.rs | 140 +++++++++++++++++++ rust/kernel/net/phy.rs | 260 +++++++++++++++++++++++++++++++ 4 files changed, 413 insertions(+) create mode 100644 drivers/net/phy/realtek/rtl8211f_rust.rs