From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966031AbcKOIlW (ORCPT ); Tue, 15 Nov 2016 03:41:22 -0500 Received: from mail-cys01nam02on0058.outbound.protection.outlook.com ([104.47.37.58]:29120 "EHLO NAM02-CY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965840AbcKOIlT (ORCPT ); Tue, 15 Nov 2016 03:41:19 -0500 Authentication-Results: spf=fail (sender IP is 192.88.158.2) smtp.mailfrom=nxp.com; infinera.com; dkim=none (message not signed) header.d=none;infinera.com; dmarc=fail action=none header.from=nxp.com; X-IncomingTopHeaderMarker: OriginalChecksum:;UpperCasedChecksum:;SizeAsReceived:749;Count:9 From: Madalin Bucur To: CC: , , , , , , , Subject: [PATCH net-next v8 0/9] dpaa_eth: Add the QorIQ DPAA Ethernet driver Date: Tue, 15 Nov 2016 10:41:00 +0200 Message-ID: <1479199269-9748-1-git-send-email-madalin.bucur@nxp.com> X-Mailer: git-send-email 2.1.0 Reply-To: X-IncomingHeaderCount: 9 X-EOPAttributedMessage: 0 X-Matching-Connectors: 131236728767239130;(91ab9b29-cfa4-454e-5278-08d120cd25b8);() X-Forefront-Antispam-Report: CIP:192.88.158.2;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(6009001)(7916002)(2980300002)(1110001)(1109001)(336004)(339900001)(199003)(189002)(105606002)(47776003)(85426001)(7846002)(305945005)(81166006)(43066003)(356003)(189998001)(6666003)(97736004)(87936001)(5003940100001)(2351001)(5660300001)(6916009)(626004)(86362001)(77096005)(2906002)(110136003)(8676002)(50226002)(69596002)(3450700001)(48376002)(8936002)(68736007)(81156014)(50466002)(50986999)(33646002)(53806999)(36756003)(4326007)(106466001)(104016004);DIR:OUT;SFP:1101;SCL:1;SRVR:DM5PR03MB2473;H:az84smr01.freescale.net;FPR:;SPF:Fail;PTR:InfoDomainNonexistent;A:1;MX:1;LANG:en; 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This version includes changes following the feedback received on previous versions from Eric Dumazet, Bob Cochran, Joe Perches, Paul Bolle, Joakim Tjernlund, Scott Wood, David Miller - thank you. 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: - Peripheral Access Memory Unit (PAMU) drivers/iommu/fsl_* - Frame Manager (FMan) added in v4.4 drivers/net/ethernet/freescale/fman - Queue Manager (QMan), Buffer Manager (BMan) added in v4.9-rc1 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) Changes from v7: - remove the debug option to use a common buffer pool for all the interfaces Changed from v6: - fixed an issue on an error path in dpaa_set_mac_address() - removed NDO operation definitions that were not needed - sorted the local variable declarations - cleaned up a few checkpatch checks - removed friendly network interface naming code Changes from v5: - adapt to the latest Q/BMan drivers API - use build_skb() on Rx path instead of buffer pool refill path - proper support for multiple buffer pools - align function, variable names, code cleanup - driver file structure cleanup Changes from v4: - addressed feedback from Scott Wood and Joe Perches - fixed spelling - fixed leak of uninitialized stack to userspace - fix prints - replace raw_cpu_ptr() with this_cpu_ptr() - remove _s from the end of structure names - remove underscores at start of functions, goto labels - remove likely in error paths - use container_of() instead of open casts - remove priv from the driver name - move return type on same line with function name - drop DPA_READ_SKB_PTR/DPA_WRITE_SKB_PTR Changes from v3: - removed bogus delay and comment in .ndo_stop implementation - addressed minor issues reported by David Miller 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 changes are also available in the public git repository at git://git.freescale.com/ppc/upstream/linux.git on the branch dpaa_eth-next. Madalin Bucur (9): devres: add devm_alloc_percpu() dpaa_eth: add support for DPAA Ethernet dpaa_eth: add ethtool functionality dpaa_eth: add ethtool statistics dpaa_eth: add sysfs exports dpaa_eth: add trace points arch/powerpc: Enable FSL_PAMU arch/powerpc: Enable FSL_FMAN arch/powerpc: Enable dpaa_eth Documentation/driver-model/devres.txt | 4 + arch/powerpc/configs/dpaa.config | 3 + drivers/base/devres.c | 66 + drivers/net/ethernet/freescale/Kconfig | 2 + drivers/net/ethernet/freescale/Makefile | 1 + drivers/net/ethernet/freescale/dpaa/Kconfig | 10 + drivers/net/ethernet/freescale/dpaa/Makefile | 12 + drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 2753 ++++++++++++++++++++ drivers/net/ethernet/freescale/dpaa/dpaa_eth.h | 185 ++ .../net/ethernet/freescale/dpaa/dpaa_eth_sysfs.c | 165 ++ .../net/ethernet/freescale/dpaa/dpaa_eth_trace.h | 141 + drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c | 417 +++ include/linux/device.h | 19 + 13 files changed, 3778 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_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 -- 2.1.0