From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from na01-by2-obe.outbound.protection.outlook.com (mail-by2on0137.outbound.protection.outlook.com [207.46.100.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3BBBC1A05F0 for ; Fri, 25 Sep 2015 01:17:49 +1000 (AEST) From: Madalin Bucur To: CC: , , , , , , , , , , , , Madalin Bucur Subject: [v3 0/8] dpaa_eth: Add the Freescale DPAA Ethernet driver Date: Thu, 24 Sep 2015 18:00:11 +0300 Message-ID: <1443106819-5549-1-git-send-email-madalin.bucur@freescale.com> Reply-To: MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This patch series adds the Ethernet driver for the Freescale QorIQ Data Path Acceleration Architecture (DPAA). This version includes changes following the feedback received on previous versions from Eric Dumazet, Bob Cochran, Joe Perches, Paul Bolle, Joakim Tjernlund, Scott Wood - thank you for your support. Together with the driver a managed version of alloc_percpu is provided that simplifies the release of per-CPU memory. The Freescale DPAA architecture consists in a series of hardware blocks that support the Ethernet connectivity. The Ethernet driver depends upon the following drivers that are currently in the Linux kernel or in review: - Peripheral Access Memory Unit (PAMU) drivers/iommu/fsl_* - Frame Manager (FMan) drivers/net/ethernet/freescale/fman - Queue Manager (QMan), Buffer Manager (BMan) drivers/soc/fsl/qbman dpaa_eth interfaces mapping to FMan MACs: dpaa_eth /eth0\ ... /ethN\ driver | | | | ------------- ---- ----------- ---- ------------- -Ports / Tx Rx \ ... / Tx Rx \ FMan | | | | -MACs | MAC0 | | MACN | / dtsec0 \ ... / dtsecN \ (or tgec) / \ / \(or memac) --------- -------------- --- -------------- --------- FMan, FMan Port, FMan SP, FMan MURAM drivers --------------------------------------------------------- FMan HW blocks: MURAM, MACs, Ports, SP --------------------------------------------------------- dpaa_eth relation to QMan, FMan: ________________________________ dpaa_eth / eth0 \ driver / \ --------- -^- -^- -^- --- --------- QMan driver / \ / \ / \ \ / | BMan | |Rx | |Rx | |Tx | |Tx | | driver | --------- |Dfl| |Err| |Cnf| |FQs| | | QMan HW |FQ | |FQ | |FQ | | | | | / \ / \ / \ \ / | | --------- --- --- --- -v- --------- | FMan QMI | | | FMan HW FMan BMI | BMan HW | ----------------------- -------- where the acronyms used above (and in the code) are: DPAA = Data Path Acceleration Architecture FMan = DPAA Frame Manager QMan = DPAA Queue Manager BMan = DPAA Buffers Manager QMI = QMan interface in FMan BMI = BMan interface in FMan FMan SP = FMan Storage Profiles MURAM = Multi-user RAM in FMan FQ = QMan Frame Queue Rx Dfl FQ = default reception FQ Rx Err FQ = Rx error frames FQ Tx Cnf FQ = Tx confirmation FQ Tx FQs = transmission frame queues dtsec = datapath three speed Ethernet controller (10/100/1000 Mbps) tgec = ten gigabit Ethernet controller (10 Gbps) memac = multirate Ethernet MAC (10/100/1000/10000) The latest FMan driver patches were submitted by Igal Liberman: https://patchwork.ozlabs.org/project/netdev/list/?submitter=64715&state=*&q=[v5, The latest Q/BMan drivers were submitted by Roy Pledge: https://patchwork.ozlabs.org/project/linuxppc-dev/list/?submitter=66331&state=* Changes from v2: - removed debugfs, moved exports to ethtool statistics - removed congestion groups Kconfig params Changes from v1: - bpool level Kconfig options removed - print format using pr_fmt, cleaned up prints - __hot/__cold removed - gratuitous unlikely() removed - code style aligned, consistent spacing for declarations - comment formatting The complete patch set based on the latest net-next/master kernel can be found in the public git at: http://git.freescale.com/git/cgit.cgi/ppc/upstream/linux.git under the tag ldup_public_git_20150924: http://git.freescale.com/git/cgit.cgi/ppc/upstream/linux.git/log/?h=ldup_public_git_20150924 There is one patch that needs to be applied to u-boot to align it to the latest device tree binding document specification used by the FMan driver. Please make sure your u-boot includes this patch. The patch is marked as accepted in u-boot patchwork: https://patchwork.ozlabs.org/patch/508374/ Alternatively you can find it in the Freescale public git under the ldup_public_git_20150410 tag at: http://git.freescale.com/git/cgit.cgi/ppc/upstream/u-boot.git/log/?h=ldup_public_git_20150410 Madalin Bucur (8): devres: add devm_alloc_percpu() dpaa_eth: add support for DPAA Ethernet dpaa_eth: add support for S/G frames dpaa_eth: add driver's Tx queue selection mechanism dpaa_eth: add ethtool functionality dpaa_eth: add ethtool statistics dpaa_eth: add sysfs exports dpaa_eth: add trace points Documentation/driver-model/devres.txt | 4 + drivers/base/devres.c | 64 + drivers/net/ethernet/freescale/Kconfig | 2 + drivers/net/ethernet/freescale/Makefile | 1 + drivers/net/ethernet/freescale/dpaa/Kconfig | 32 + drivers/net/ethernet/freescale/dpaa/Makefile | 12 + drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 857 ++++++++++++ drivers/net/ethernet/freescale/dpaa/dpaa_eth.h | 478 +++++++ .../net/ethernet/freescale/dpaa/dpaa_eth_common.c | 1395 ++++++++++++++++++++ .../net/ethernet/freescale/dpaa/dpaa_eth_common.h | 109 ++ drivers/net/ethernet/freescale/dpaa/dpaa_eth_sg.c | 706 ++++++++++ .../net/ethernet/freescale/dpaa/dpaa_eth_sysfs.c | 167 +++ .../net/ethernet/freescale/dpaa/dpaa_eth_trace.h | 141 ++ drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c | 413 ++++++ include/linux/device.h | 19 + 15 files changed, 4400 insertions(+) create mode 100644 drivers/net/ethernet/freescale/dpaa/Kconfig create mode 100644 drivers/net/ethernet/freescale/dpaa/Makefile create mode 100644 drivers/net/ethernet/freescale/dpaa/dpaa_eth.c create mode 100644 drivers/net/ethernet/freescale/dpaa/dpaa_eth.h create mode 100644 drivers/net/ethernet/freescale/dpaa/dpaa_eth_common.c create mode 100644 drivers/net/ethernet/freescale/dpaa/dpaa_eth_common.h create mode 100644 drivers/net/ethernet/freescale/dpaa/dpaa_eth_sg.c create mode 100644 drivers/net/ethernet/freescale/dpaa/dpaa_eth_sysfs.c create mode 100644 drivers/net/ethernet/freescale/dpaa/dpaa_eth_trace.h create mode 100644 drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c -- 1.7.11.7