From patchwork Thu Sep 28 12:29:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shreyansh Jain X-Patchwork-Id: 29307 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id E60281B24E; Thu, 28 Sep 2017 14:20:38 +0200 (CEST) Received: from NAM01-BY2-obe.outbound.protection.outlook.com (mail-by2nam01on0067.outbound.protection.outlook.com [104.47.34.67]) by dpdk.org (Postfix) with ESMTP id 6A2241B20A for ; Thu, 28 Sep 2017 14:19:55 +0200 (CEST) Received: from BN6PR03CA0096.namprd03.prod.outlook.com (10.164.122.162) by MWHPR03MB2703.namprd03.prod.outlook.com (10.168.207.137) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.77.7; Thu, 28 Sep 2017 12:19:54 +0000 Received: from BN1AFFO11FD009.protection.gbl (2a01:111:f400:7c10::121) by BN6PR03CA0096.outlook.office365.com (2603:10b6:405:6f::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.56.11 via Frontend Transport; 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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR03MB2703 Subject: [dpdk-dev] [PATCH v6 22/40] net/dpaa: add NXP DPAA PMD driver skeleton X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" A skeleton which would be called after bus device scan. It currently fails to identify the device. Signed-off-by: Hemant Agrawal Signed-off-by: Shreyansh Jain --- MAINTAINERS | 1 + drivers/net/dpaa/Makefile | 57 +++++++ drivers/net/dpaa/dpaa_ethdev.c | 256 ++++++++++++++++++++++++++++++ drivers/net/dpaa/dpaa_ethdev.h | 127 +++++++++++++++ drivers/net/dpaa/rte_pmd_dpaa_version.map | 4 + 5 files changed, 445 insertions(+) create mode 100644 drivers/net/dpaa/Makefile create mode 100644 drivers/net/dpaa/dpaa_ethdev.c create mode 100644 drivers/net/dpaa/dpaa_ethdev.h create mode 100644 drivers/net/dpaa/rte_pmd_dpaa_version.map diff --git a/MAINTAINERS b/MAINTAINERS index 022715f..9eec984 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -413,6 +413,7 @@ M: Hemant Agrawal M: Shreyansh Jain F: drivers/bus/dpaa/ F: drivers/mempool/dpaa/ +F: drivers/net/dpaa/ F: doc/guides/nics/dpaa.rst F: doc/guides/nics/features/dpaa.ini diff --git a/drivers/net/dpaa/Makefile b/drivers/net/dpaa/Makefile new file mode 100644 index 0000000..bb305ca --- /dev/null +++ b/drivers/net/dpaa/Makefile @@ -0,0 +1,57 @@ +# BSD LICENSE +# +# Copyright 2017 NXP. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * Neither the name of NXP nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +include $(RTE_SDK)/mk/rte.vars.mk +RTE_SDK_DPAA=$(RTE_SDK)/drivers/net/dpaa + +# +# library name +# +LIB = librte_pmd_dpaa.a + +CFLAGS := -I$(SRCDIR) $(CFLAGS) +CFLAGS += -O3 $(WERROR_FLAGS) +CFLAGS += -I$(RTE_SDK_DPAA)/ +CFLAGS += -I$(RTE_SDK_DPAA)/include +CFLAGS += -I$(RTE_SDK)/drivers/bus/dpaa +CFLAGS += -I$(RTE_SDK)/drivers/bus/dpaa/include/ +CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include +CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal/include + +EXPORT_MAP := rte_pmd_dpaa_version.map + +LIBABIVER := 1 + +# Interfaces with DPDK +SRCS-$(CONFIG_RTE_LIBRTE_DPAA_PMD) += dpaa_ethdev.c + +LDLIBS += -lrte_bus_dpaa + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c new file mode 100644 index 0000000..4543dfc --- /dev/null +++ b/drivers/net/dpaa/dpaa_ethdev.c @@ -0,0 +1,256 @@ +/*- + * BSD LICENSE + * + * Copyright 2016 Freescale Semiconductor, Inc. All rights reserved. + * Copyright 2017 NXP. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Freescale Semiconductor, Inc nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +/* System headers */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include + +/* Keep track of whether QMAN and BMAN have been globally initialized */ +static int is_global_init; + +static int +dpaa_eth_dev_configure(struct rte_eth_dev *dev __rte_unused) +{ + PMD_INIT_FUNC_TRACE(); + + return 0; +} + +static int dpaa_eth_dev_start(struct rte_eth_dev *dev) +{ + PMD_INIT_FUNC_TRACE(); + + /* Change tx callback to the real one */ + dev->tx_pkt_burst = NULL; + + return 0; +} + +static void dpaa_eth_dev_stop(struct rte_eth_dev *dev) +{ + dev->tx_pkt_burst = NULL; +} + +static void dpaa_eth_dev_close(struct rte_eth_dev *dev __rte_unused) +{ + PMD_INIT_FUNC_TRACE(); +} + +static struct eth_dev_ops dpaa_devops = { + .dev_configure = dpaa_eth_dev_configure, + .dev_start = dpaa_eth_dev_start, + .dev_stop = dpaa_eth_dev_stop, + .dev_close = dpaa_eth_dev_close, +}; + +/* Initialise a network interface */ +static int +dpaa_dev_init(struct rte_eth_dev *eth_dev) +{ + int dev_id; + struct rte_dpaa_device *dpaa_device; + struct dpaa_if *dpaa_intf; + + PMD_INIT_FUNC_TRACE(); + + /* For secondary processes, the primary has done all the work */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + dpaa_device = DEV_TO_DPAA_DEVICE(eth_dev->device); + dev_id = dpaa_device->id.dev_id; + dpaa_intf = eth_dev->data->dev_private; + + dpaa_intf->name = dpaa_device->name; + + dpaa_intf->ifid = dev_id; + + eth_dev->dev_ops = &dpaa_devops; + + return 0; +} + +static int +dpaa_dev_uninit(struct rte_eth_dev *dev) +{ + struct dpaa_if *dpaa_intf = dev->data->dev_private; + + PMD_INIT_FUNC_TRACE(); + + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return -EPERM; + + if (!dpaa_intf) { + DPAA_PMD_WARN("Already closed or not started"); + return -1; + } + + dpaa_eth_dev_close(dev); + + dev->dev_ops = NULL; + dev->rx_pkt_burst = NULL; + dev->tx_pkt_burst = NULL; + + return 0; +} + +static int +rte_dpaa_probe(struct rte_dpaa_driver *dpaa_drv, + struct rte_dpaa_device *dpaa_dev) +{ + int diag; + int ret; + struct rte_eth_dev *eth_dev; + + PMD_INIT_FUNC_TRACE(); + + /* In case of secondary process, the device is already configured + * and no further action is required, except portal initialization + * and verifying secondary attachment to port name. + */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + eth_dev = rte_eth_dev_attach_secondary(dpaa_dev->name); + if (!eth_dev) + return -ENOMEM; + return 0; + } + + if (!is_global_init) { + /* One time load of Qman/Bman drivers */ + ret = qman_global_init(); + if (ret) { + DPAA_PMD_ERR("QMAN initialization failed: %d", + ret); + return ret; + } + ret = bman_global_init(); + if (ret) { + DPAA_PMD_ERR("BMAN initialization failed: %d", + ret); + return ret; + } + + is_global_init = 1; + } + + ret = rte_dpaa_portal_init((void *)1); + if (ret) { + DPAA_PMD_ERR("Unable to initialize portal"); + return ret; + } + + eth_dev = rte_eth_dev_allocate(dpaa_dev->name); + if (eth_dev == NULL) + return -ENOMEM; + + eth_dev->data->dev_private = rte_zmalloc( + "ethdev private structure", + sizeof(struct dpaa_if), + RTE_CACHE_LINE_SIZE); + if (!eth_dev->data->dev_private) { + DPAA_PMD_ERR("Cannot allocate memzone for port data"); + rte_eth_dev_release_port(eth_dev); + return -ENOMEM; + } + + eth_dev->device = &dpaa_dev->device; + eth_dev->device->driver = &dpaa_drv->driver; + dpaa_dev->eth_dev = eth_dev; + + /* Invoke PMD device initialization function */ + diag = dpaa_dev_init(eth_dev); + if (diag == 0) + return 0; + + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + rte_free(eth_dev->data->dev_private); + + rte_eth_dev_release_port(eth_dev); + return diag; +} + +static int +rte_dpaa_remove(struct rte_dpaa_device *dpaa_dev) +{ + struct rte_eth_dev *eth_dev; + + PMD_INIT_FUNC_TRACE(); + + eth_dev = dpaa_dev->eth_dev; + dpaa_dev_uninit(eth_dev); + + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + rte_free(eth_dev->data->dev_private); + + rte_eth_dev_release_port(eth_dev); + + return 0; +} + +static struct rte_dpaa_driver rte_dpaa_pmd = { + .drv_type = FSL_DPAA_ETH, + .probe = rte_dpaa_probe, + .remove = rte_dpaa_remove, +}; + +RTE_PMD_REGISTER_DPAA(net_dpaa, rte_dpaa_pmd); diff --git a/drivers/net/dpaa/dpaa_ethdev.h b/drivers/net/dpaa/dpaa_ethdev.h new file mode 100644 index 0000000..2f25acb --- /dev/null +++ b/drivers/net/dpaa/dpaa_ethdev.h @@ -0,0 +1,127 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2014-2016 Freescale Semiconductor, Inc. All rights reserved. + * Copyright 2017 NXP. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Freescale Semiconductor, Inc nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef __DPAA_ETHDEV_H__ +#define __DPAA_ETHDEV_H__ + +/* System headers */ +#include +#include + +#include +#include +#include +#include +#include + +#define DPAA_MBUF_HW_ANNOTATION 64 +#define DPAA_FD_PTA_SIZE 64 + +#if (DPAA_MBUF_HW_ANNOTATION + DPAA_FD_PTA_SIZE) > RTE_PKTMBUF_HEADROOM +#error "Annotation requirement is more than RTE_PKTMBUF_HEADROOM" +#endif + +/* we will re-use the HEADROOM for annotation in RX */ +#define DPAA_HW_BUF_RESERVE 0 +#define DPAA_PACKET_LAYOUT_ALIGN 64 + +/* Alignment to use for cpu-local structs to avoid coherency problems. */ +#define MAX_CACHELINE 64 + +#define DPAA_MIN_RX_BUF_SIZE 512 +#define DPAA_MAX_RX_PKT_LEN 10240 + +/* RX queue tail drop threshold + * currently considering 32 KB packets. + */ +#define CONG_THRESHOLD_RX_Q (32 * 1024) + +/*max mac filter for memac(8) including primary mac addr*/ +#define DPAA_MAX_MAC_FILTER (MEMAC_NUM_OF_PADDRS + 1) + +/*Maximum number of slots available in TX ring*/ +#define MAX_TX_RING_SLOTS 8 + +/* PCD frame queues */ +#define DPAA_PCD_FQID_START 0x400 +#define DPAA_PCD_FQID_MULTIPLIER 0x100 +#define DPAA_DEFAULT_NUM_PCD_QUEUES 1 + +#define DPAA_IF_TX_PRIORITY 3 +#define DPAA_IF_RX_PRIORITY 4 +#define DPAA_IF_DEBUG_PRIORITY 7 + +#define DPAA_IF_RX_ANNOTATION_STASH 1 +#define DPAA_IF_RX_DATA_STASH 1 +#define DPAA_IF_RX_CONTEXT_STASH 0 + +/* Each "debug" FQ is represented by one of these */ +#define DPAA_DEBUG_FQ_RX_ERROR 0 +#define DPAA_DEBUG_FQ_TX_ERROR 1 + +#define DPAA_TX_CKSUM_OFFLOAD_MASK ( \ + PKT_TX_IP_CKSUM | \ + PKT_TX_TCP_CKSUM | \ + PKT_TX_UDP_CKSUM) + +/* DPAA Frame descriptor macros */ + +#define DPAA_FD_CMD_FCO 0x80000000 +/**< Frame queue Context Override */ +#define DPAA_FD_CMD_RPD 0x40000000 +/**< Read Prepended Data */ +#define DPAA_FD_CMD_UPD 0x20000000 +/**< Update Prepended Data */ +#define DPAA_FD_CMD_DTC 0x10000000 +/**< Do IP/TCP/UDP Checksum */ +#define DPAA_FD_CMD_DCL4C 0x10000000 +/**< Didn't calculate L4 Checksum */ +#define DPAA_FD_CMD_CFQ 0x00ffffff +/**< Confirmation Frame Queue */ + +/* Each network interface is represented by one of these */ +struct dpaa_if { + int valid; + char *name; + const struct fm_eth_port_cfg *cfg; + struct qman_fq *rx_queues; + struct qman_fq *tx_queues; + struct qman_fq debug_queues[2]; + uint16_t nb_rx_queues; + uint16_t nb_tx_queues; + uint32_t ifid; + struct fman_if *fif; + struct dpaa_bp_info *bp_info; + struct rte_eth_fc_conf *fc_conf; +}; + +#endif diff --git a/drivers/net/dpaa/rte_pmd_dpaa_version.map b/drivers/net/dpaa/rte_pmd_dpaa_version.map new file mode 100644 index 0000000..a70bd19 --- /dev/null +++ b/drivers/net/dpaa/rte_pmd_dpaa_version.map @@ -0,0 +1,4 @@ +DPDK_17.11 { + + local: *; +};