From patchwork Tue Nov 14 09:07:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Romain Gantois X-Patchwork-Id: 744204 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6041A156E2; Tue, 14 Nov 2023 09:08:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="YwKsFr5K" Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::226]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A24BDD; Tue, 14 Nov 2023 01:08:08 -0800 (PST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 6E4EFC0007; Tue, 14 Nov 2023 09:08:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1699952887; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=JYxYfDj45+EiZF7b5YinmOWx9EGt6+1KqgZ0mgDpW4w=; b=YwKsFr5KBTrFIrLiYeC7tbO81C8XsSXM4HpJfrcHkJtKR74iqQafCmBzGf57W2k/WV+NXk 8xP63+JjlQK4JL+kF+do3eGcYNc1EjIcGtZFNwKH79tSpA4AbAxhhK0f9j8sBDHwIRITXB ZRWR44Uc6mRNKQFKR3E3N7ixRJkA8qwyolTZQqyHc2tZUZfSvLQkUGHshyUQhkV7eT2mud Y67N3R7Vljgv/BXzblZeA0jX/sTG7Z/r85hDX2+FrPzzDlamWHC/3NFRFxUEeJqDRSO4yn yb879SQcUO3NYYAuOulq/H2/nIbQQ1betYQkVImp7SqkyndA8A19d7yiUqPTsg== From: Romain Gantois To: davem@davemloft.net, Rob Herring , Krzysztof Kozlowski Cc: Romain Gantois , Jakub Kicinski , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, thomas.petazzoni@bootlin.com, Andrew Lunn , Florian Fainelli , Heiner Kallweit , Russell King , linux-arm-kernel@lists.infradead.org, Vladimir Oltean , Luka Perkov , Robert Marko , Andy Gross , Bjorn Andersson , Konrad Dybcio Subject: [PATCH net-next v2 0/8] net: qualcomm: ipqess: introduce Qualcomm IPQESS driver Date: Tue, 14 Nov 2023 10:07:26 +0100 Message-ID: <20231114090743.865453-1-romain.gantois@bootlin.com> X-Mailer: git-send-email 2.42.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-Sasl: romain.gantois@bootlin.com Hello everyone, This is the 2nd iteration on the Qualcomm IPQ4019 Ethernet Switch Subsystem driver. Notable changes in v2: - Refactored the PSGMII calibration procedure to exclude PHY-model-specific code from the switch driver. Added two new callbacks to the phy_driver struct to enable PHY-agnostic calibration control from the MAC driver. - Modified the EDMA Ethernet driver to use page_pool for skb handling. - Refactored several qca8k-common.c functions to enable calling them from the IPQESS driver rather than reimplementing them. The IPQ4019 SoC integrates a modified version of the QCA8K Ethernet switch. One major difference with the original switch IP is that port tags are passed to the integrated Ethernet controller out-of-band. Previous DSA versions of this driver were rejected because they required adding out-of-band tagging support to the DSA subsystem. Therefore, we rewrote the driver as a pure switchdev module, which shares a common backend library with the current QCA8K driver. The main driver components are: - ipqess_switch.c which registers and configures the integrated switch - ipqess_port.c which creates net devices for each one of the front-facing ports. - ipqess_edma.c which handles the integrated EDMA Ethernet controller linked to the CPU port. - drivers/net/dsa/qca/qca8k-common.c which defines low-level ESS access methods common to this driver and the original DSA QCA8K driver. Thanks to the people from Sartura for providing us hardware and working on the base QCA8K driver, and to Maxime for his work on the EDMA code. Best regards, Romain Romain Gantois (8): dt-bindings: net: Introduce the Qualcomm IPQESS Ethernet switch net: dsa: qca8k: Make the QCA8K hardware library available globally net: qualcomm: ipqess: introduce the Qualcomm IPQESS driver net: qualcomm: ipqess: Add Ethtool ops to IPQESS port netdevices net: qualcomm: ipqess: add bridge offloading features to the IPQESS driver net: phy: add calibration callbacks to phy_driver net: qualcomm: ipqess: add a PSGMII calibration procedure to the IPQESS driver ARM: dts: qcom: ipq4019: Add description for the IPQ4019 ESS EDMA and switch .../bindings/net/qcom,ipq4019-ess.yaml | 152 ++ MAINTAINERS | 7 + .../boot/dts/qcom/qcom-ipq4018-ap120c-ac.dtsi | 13 + arch/arm/boot/dts/qcom/qcom-ipq4019.dtsi | 94 + drivers/net/dsa/qca/Kconfig | 10 + drivers/net/dsa/qca/Makefile | 5 +- drivers/net/dsa/qca/qca8k-8xxx.c | 51 +- drivers/net/dsa/qca/qca8k-common.c | 126 +- drivers/net/dsa/qca/qca8k-leds.c | 2 +- drivers/net/ethernet/qualcomm/Kconfig | 15 + drivers/net/ethernet/qualcomm/Makefile | 2 + drivers/net/ethernet/qualcomm/ipqess/Makefile | 8 + .../ethernet/qualcomm/ipqess/ipqess_calib.c | 156 ++ .../ethernet/qualcomm/ipqess/ipqess_edma.c | 1195 ++++++++++++ .../ethernet/qualcomm/ipqess/ipqess_edma.h | 488 +++++ .../ethernet/qualcomm/ipqess/ipqess_ethtool.c | 245 +++ .../qualcomm/ipqess/ipqess_notifiers.c | 306 +++ .../qualcomm/ipqess/ipqess_notifiers.h | 29 + .../ethernet/qualcomm/ipqess/ipqess_port.c | 1686 +++++++++++++++++ .../ethernet/qualcomm/ipqess/ipqess_port.h | 102 + .../ethernet/qualcomm/ipqess/ipqess_switch.c | 533 ++++++ .../ethernet/qualcomm/ipqess/ipqess_switch.h | 36 + .../net/dsa/qca => include/linux/dsa}/qca8k.h | 61 +- include/linux/phy.h | 28 + 24 files changed, 5296 insertions(+), 54 deletions(-) create mode 100644 Documentation/devicetree/bindings/net/qcom,ipq4019-ess.yaml create mode 100644 drivers/net/ethernet/qualcomm/ipqess/Makefile create mode 100644 drivers/net/ethernet/qualcomm/ipqess/ipqess_calib.c create mode 100644 drivers/net/ethernet/qualcomm/ipqess/ipqess_edma.c create mode 100644 drivers/net/ethernet/qualcomm/ipqess/ipqess_edma.h create mode 100644 drivers/net/ethernet/qualcomm/ipqess/ipqess_ethtool.c create mode 100644 drivers/net/ethernet/qualcomm/ipqess/ipqess_notifiers.c create mode 100644 drivers/net/ethernet/qualcomm/ipqess/ipqess_notifiers.h create mode 100644 drivers/net/ethernet/qualcomm/ipqess/ipqess_port.c create mode 100644 drivers/net/ethernet/qualcomm/ipqess/ipqess_port.h create mode 100644 drivers/net/ethernet/qualcomm/ipqess/ipqess_switch.c create mode 100644 drivers/net/ethernet/qualcomm/ipqess/ipqess_switch.h rename {drivers/net/dsa/qca => include/linux/dsa}/qca8k.h (90%)