From patchwork Wed Apr 15 08:48:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alvin Zhang X-Patchwork-Id: 68522 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id D942FA0563; Wed, 15 Apr 2020 10:49:04 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 080D31D5B7; Wed, 15 Apr 2020 10:49:00 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 6EF2E1D5A9 for ; Wed, 15 Apr 2020 10:48:56 +0200 (CEST) IronPort-SDR: bmvi5BUqdRprtwgpf28ZAJ0jg5gkn2WU/HIoo3RiuP0ja04moq73Xti5tpGciUSCo4QKKNGteL Gn7cJZTICOKQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2020 01:48:56 -0700 IronPort-SDR: QIy8vUNVQnfM50pT6l3UN/ZsP4d//VXvSSD5ThSRuqYUkL48KzyvmagDHW+/ZOCc8sOHC0V49Z Hrzp2vOd/IpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,386,1580803200"; d="scan'208";a="363615968" Received: from shwdenpg235.ccr.corp.intel.com ([10.240.182.60]) by fmsmga001.fm.intel.com with ESMTP; 15 Apr 2020 01:48:54 -0700 From: alvinx.zhang@intel.com To: dev@dpdk.org Cc: xiaolong.ye@intel.com Date: Wed, 15 Apr 2020 16:48:00 +0800 Message-Id: <20200415084810.20816-2-alvinx.zhang@intel.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20200415084810.20816-1-alvinx.zhang@intel.com> References: <20200413063037.13728-2-alvinx.zhang@intel.com> <20200415084810.20816-1-alvinx.zhang@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v4 01/11] net/igc: add igc PMD 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" From: Alvin Zhang Implement device detection and loading. Add igc driver guid docs. Signed-off-by: Alvin Zhang V2: 1) Update release note; 2) Modify codes according to comments. V3: 1) Fix secondary process hotplug fault; 2) Modify codes according to comments. V4: Modify codes according to comments. --- MAINTAINERS | 7 + config/common_base | 7 + doc/guides/nics/features/igc.ini | 8 ++ doc/guides/nics/igc.rst | 42 ++++++ doc/guides/nics/index.rst | 1 + doc/guides/rel_notes/release_20_05.rst | 5 + drivers/net/Makefile | 1 + drivers/net/igc/Makefile | 25 ++++ drivers/net/igc/igc_ethdev.c | 246 ++++++++++++++++++++++++++++++++ drivers/net/igc/igc_ethdev.h | 18 +++ drivers/net/igc/igc_logs.c | 22 +++ drivers/net/igc/igc_logs.h | 34 +++++ drivers/net/igc/meson.build | 7 + drivers/net/igc/rte_pmd_igc_version.map | 3 + drivers/net/meson.build | 1 + mk/rte.app.mk | 1 + 16 files changed, 428 insertions(+) create mode 100644 doc/guides/nics/features/igc.ini create mode 100644 doc/guides/nics/igc.rst create mode 100644 drivers/net/igc/Makefile create mode 100644 drivers/net/igc/igc_ethdev.c create mode 100644 drivers/net/igc/igc_ethdev.h create mode 100644 drivers/net/igc/igc_logs.c create mode 100644 drivers/net/igc/igc_logs.h create mode 100644 drivers/net/igc/meson.build create mode 100644 drivers/net/igc/rte_pmd_igc_version.map diff --git a/MAINTAINERS b/MAINTAINERS index 2f5709b..9ec0f20 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -691,6 +691,13 @@ F: drivers/net/ice/ F: doc/guides/nics/ice.rst F: doc/guides/nics/features/ice.ini +Intel igc +M: Alvin Zhang +T: git://dpdk.org/next/dpdk-next-net-intel +F: drivers/net/igc/ +F: doc/guides/nics/igc.rst +F: doc/guides/nics/features/igc.ini + Intel ipn3ke M: Rosen Xu T: git://dpdk.org/next/dpdk-next-net-intel diff --git a/config/common_base b/config/common_base index c31175f..00d8d07 100644 --- a/config/common_base +++ b/config/common_base @@ -353,6 +353,13 @@ CONFIG_RTE_LIBRTE_IAVF_16BYTE_RX_DESC=n CONFIG_RTE_LIBRTE_IPN3KE_PMD=n # +# Compile burst-oriented IGC PMD drivers +# +CONFIG_RTE_LIBRTE_IGC_PMD=y +CONFIG_RTE_LIBRTE_IGC_DEBUG_RX=n +CONFIG_RTE_LIBRTE_IGC_DEBUG_TX=n + +# # Compile burst-oriented Mellanox ConnectX-3 (MLX4) PMD # CONFIG_RTE_LIBRTE_MLX4_PMD=n diff --git a/doc/guides/nics/features/igc.ini b/doc/guides/nics/features/igc.ini new file mode 100644 index 0000000..ad75cc4 --- /dev/null +++ b/doc/guides/nics/features/igc.ini @@ -0,0 +1,8 @@ +; Supported features of the 'igc' network poll mode driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Linux UIO = Y +Linux VFIO = Y +x86-64 = Y diff --git a/doc/guides/nics/igc.rst b/doc/guides/nics/igc.rst new file mode 100644 index 0000000..358aec2 --- /dev/null +++ b/doc/guides/nics/igc.rst @@ -0,0 +1,42 @@ +.. SPDX-License-Identifier: BSD-3-Clause + Copyright(c) 2020 Intel Corporation. + +IGC Poll Mode Driver +====================== + +The IGC PMD (librte_pmd_igc) provides poll mode driver support for Foxville +I225 Series Network Adapters. + +- For information about I225, please refer to: + `https://ark.intel.com/content/www/us/en/ark/products/series/184686/ + intel-ethernet-controller-i225-series.html` + +Config File Options +~~~~~~~~~~~~~~~~~~~ + +The following options can be modified in the ``config`` file. +Please note that enabling debugging options may affect system performance. + +- ``CONFIG_RTE_LIBRTE_IGC_PMD`` (default ``y``) + + Toggle compilation of the ``librte_pmd_igc`` driver. + +- ``CONFIG_RTE_LIBRTE_IGC_DEBUG_*`` (default ``n``) + + Toggle display of generic debugging messages. + + +Driver compilation and testing +------------------------------ + +Refer to the document :ref:`compiling and testing a PMD for a NIC ` +for details. + + +Supported Chipsets and NICs +--------------------------- + +Foxville LM (I225 LM): Client 2.5G LAN vPro Corporate +Foxville V (I225 V): Client 2.5G LAN Consumer +Foxville I (I225 I): Client 2.5G Industrial Temp +Foxville V (I225 K): Client 2.5G LAN Consumer diff --git a/doc/guides/nics/index.rst b/doc/guides/nics/index.rst index 2b78fcf..da5d85b 100644 --- a/doc/guides/nics/index.rst +++ b/doc/guides/nics/index.rst @@ -32,6 +32,7 @@ Network Interface Controller Drivers i40e ice igb + igc ionic ipn3ke ixgbe diff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst index 4b81893..b802bdd 100644 --- a/doc/guides/rel_notes/release_20_05.rst +++ b/doc/guides/rel_notes/release_20_05.rst @@ -99,6 +99,11 @@ New Features * Added generic filter support. +* **Added a new driver for Intel Foxville I225 devices.** + + Added the new ``igc`` net driver for Intel Foxville I225 devices. See the + :doc:`../nics/igc` NIC guide for more details on this new driver. + Removed Items ------------- diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 4a7f155..361974e 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -34,6 +34,7 @@ DIRS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3 DIRS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += i40e DIRS-$(CONFIG_RTE_LIBRTE_IAVF_PMD) += iavf DIRS-$(CONFIG_RTE_LIBRTE_ICE_PMD) += ice +DIRS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc DIRS-$(CONFIG_RTE_LIBRTE_IONIC_PMD) += ionic DIRS-$(CONFIG_RTE_LIBRTE_IPN3KE_PMD) += ipn3ke DIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += ixgbe diff --git a/drivers/net/igc/Makefile b/drivers/net/igc/Makefile new file mode 100644 index 0000000..ee1d8d8 --- /dev/null +++ b/drivers/net/igc/Makefile @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2019-2020 Intel Corporation + +include $(RTE_SDK)/mk/rte.vars.mk + +# +# library name +# +LIB = librte_pmd_igc.a + +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) +LDLIBS += -lrte_eal +LDLIBS += -lrte_ethdev +LDLIBS += -lrte_bus_pci + +EXPORT_MAP := rte_pmd_igc_version.map + +# +# all source are stored in SRCS-y +# +SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_logs.c +SRCS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += igc_ethdev.c + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/net/igc/igc_ethdev.c b/drivers/net/igc/igc_ethdev.c new file mode 100644 index 0000000..c590ab2 --- /dev/null +++ b/drivers/net/igc/igc_ethdev.c @@ -0,0 +1,246 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2019-2020 Intel Corporation + */ + +#include + +#include +#include +#include +#include +#include + +#include "igc_logs.h" +#include "igc_ethdev.h" + +#define IGC_INTEL_VENDOR_ID 0x8086 +#define IGC_DEV_ID_I225_LM 0x15F2 +#define IGC_DEV_ID_I225_V 0x15F3 +#define IGC_DEV_ID_I225_K 0x3100 +#define IGC_DEV_ID_I225_I 0x15F8 +#define IGC_DEV_ID_I220_V 0x15F7 + +static const struct rte_pci_id pci_id_igc_map[] = { + { RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, IGC_DEV_ID_I225_LM) }, + { RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, IGC_DEV_ID_I225_V) }, + { RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, IGC_DEV_ID_I225_I) }, + { RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, IGC_DEV_ID_I225_K) }, + { .vendor_id = 0, /* sentinel */ }, +}; + +static int eth_igc_configure(struct rte_eth_dev *dev); +static int eth_igc_link_update(struct rte_eth_dev *dev, int wait_to_complete); +static void eth_igc_stop(struct rte_eth_dev *dev); +static int eth_igc_start(struct rte_eth_dev *dev); +static void eth_igc_close(struct rte_eth_dev *dev); +static int eth_igc_reset(struct rte_eth_dev *dev); +static int eth_igc_promiscuous_enable(struct rte_eth_dev *dev); +static int eth_igc_promiscuous_disable(struct rte_eth_dev *dev); +static int eth_igc_infos_get(struct rte_eth_dev *dev, + struct rte_eth_dev_info *dev_info); +static int +eth_igc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, + uint16_t nb_rx_desc, unsigned int socket_id, + const struct rte_eth_rxconf *rx_conf, + struct rte_mempool *mb_pool); +static int +eth_igc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, + uint16_t nb_desc, unsigned int socket_id, + const struct rte_eth_txconf *tx_conf); + +static const struct eth_dev_ops eth_igc_ops = { + .dev_configure = eth_igc_configure, + .link_update = eth_igc_link_update, + .dev_stop = eth_igc_stop, + .dev_start = eth_igc_start, + .dev_close = eth_igc_close, + .dev_reset = eth_igc_reset, + .promiscuous_enable = eth_igc_promiscuous_enable, + .promiscuous_disable = eth_igc_promiscuous_disable, + .dev_infos_get = eth_igc_infos_get, + .rx_queue_setup = eth_igc_rx_queue_setup, + .tx_queue_setup = eth_igc_tx_queue_setup, +}; + +static int +eth_igc_configure(struct rte_eth_dev *dev) +{ + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(dev); + return 0; +} + +static int +eth_igc_link_update(struct rte_eth_dev *dev, int wait_to_complete) +{ + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(dev); + RTE_SET_USED(wait_to_complete); + return 0; +} + +static void +eth_igc_stop(struct rte_eth_dev *dev) +{ + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(dev); +} + +static int +eth_igc_start(struct rte_eth_dev *dev) +{ + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(dev); + return 0; +} + +static void +eth_igc_close(struct rte_eth_dev *dev) +{ + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(dev); +} + +static int +eth_igc_dev_init(struct rte_eth_dev *dev) +{ + struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); + + PMD_INIT_FUNC_TRACE(); + dev->dev_ops = ð_igc_ops; + + /* + * for secondary processes, we don't initialize any further as primary + * has already done this work. Only check we don't need a different + * RX function. + */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + dev->data->mac_addrs = rte_zmalloc("igc", + RTE_ETHER_ADDR_LEN, 0); + if (dev->data->mac_addrs == NULL) { + PMD_INIT_LOG(ERR, "Failed to allocate %d bytes for storing MAC", + RTE_ETHER_ADDR_LEN); + return -ENOMEM; + } + + /* Pass the information to the rte_eth_dev_close() that it should also + * release the private port resources. + */ + dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; + + PMD_INIT_LOG(DEBUG, "port_id %d vendorID=0x%x deviceID=0x%x", + dev->data->port_id, pci_dev->id.vendor_id, + pci_dev->id.device_id); + + return 0; +} + +static int +eth_igc_dev_uninit(__rte_unused struct rte_eth_dev *eth_dev) +{ + PMD_INIT_FUNC_TRACE(); + + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + eth_igc_close(eth_dev); + return 0; +} + +static int +eth_igc_reset(struct rte_eth_dev *dev) +{ + int ret; + + PMD_INIT_FUNC_TRACE(); + + ret = eth_igc_dev_uninit(dev); + if (ret) + return ret; + + return eth_igc_dev_init(dev); +} + +static int +eth_igc_promiscuous_enable(struct rte_eth_dev *dev) +{ + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(dev); + return 0; +} + +static int +eth_igc_promiscuous_disable(struct rte_eth_dev *dev) +{ + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(dev); + return 0; +} + +static int +eth_igc_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) +{ + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(dev); + dev_info->max_rx_queues = IGC_QUEUE_PAIRS_NUM; + dev_info->max_tx_queues = IGC_QUEUE_PAIRS_NUM; + return 0; +} + +static int +eth_igc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, + uint16_t nb_rx_desc, unsigned int socket_id, + const struct rte_eth_rxconf *rx_conf, + struct rte_mempool *mb_pool) +{ + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(dev); + RTE_SET_USED(rx_queue_id); + RTE_SET_USED(nb_rx_desc); + RTE_SET_USED(socket_id); + RTE_SET_USED(rx_conf); + RTE_SET_USED(mb_pool); + return 0; +} + +static int +eth_igc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, + uint16_t nb_desc, unsigned int socket_id, + const struct rte_eth_txconf *tx_conf) +{ + PMD_INIT_FUNC_TRACE(); + RTE_SET_USED(dev); + RTE_SET_USED(queue_idx); + RTE_SET_USED(nb_desc); + RTE_SET_USED(socket_id); + RTE_SET_USED(tx_conf); + return 0; +} + +static int +eth_igc_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, + struct rte_pci_device *pci_dev) +{ + PMD_INIT_FUNC_TRACE(); + return rte_eth_dev_pci_generic_probe(pci_dev, 0, eth_igc_dev_init); +} + +static int +eth_igc_pci_remove(struct rte_pci_device *pci_dev) +{ + PMD_INIT_FUNC_TRACE(); + return rte_eth_dev_pci_generic_remove(pci_dev, eth_igc_dev_uninit); +} + +static struct rte_pci_driver rte_igc_pmd = { + .id_table = pci_id_igc_map, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, + .probe = eth_igc_pci_probe, + .remove = eth_igc_pci_remove, +}; + +RTE_PMD_REGISTER_PCI(net_igc, rte_igc_pmd); +RTE_PMD_REGISTER_PCI_TABLE(net_igc, pci_id_igc_map); +RTE_PMD_REGISTER_KMOD_DEP(net_igc, "* igb_uio | uio_pci_generic | vfio-pci"); diff --git a/drivers/net/igc/igc_ethdev.h b/drivers/net/igc/igc_ethdev.h new file mode 100644 index 0000000..d696b6e --- /dev/null +++ b/drivers/net/igc/igc_ethdev.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2019-2020 Intel Corporation + */ + +#ifndef _IGC_ETHDEV_H_ +#define _IGC_ETHDEV_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#define IGC_QUEUE_PAIRS_NUM 4 + +#ifdef __cplusplus +} +#endif + +#endif /* _IGC_ETHDEV_H_ */ diff --git a/drivers/net/igc/igc_logs.c b/drivers/net/igc/igc_logs.c new file mode 100644 index 0000000..eff7640 --- /dev/null +++ b/drivers/net/igc/igc_logs.c @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2019-2020 Intel Corporation + */ + +#include + +#include "igc_logs.h" + +/* declared as extern in igc_logs.h */ +int igc_logtype_init; +int igc_logtype_driver; + +RTE_INIT(igc_init_log) +{ + igc_logtype_init = rte_log_register("pmd.net.igc.init"); + if (igc_logtype_init >= 0) + rte_log_set_level(igc_logtype_init, RTE_LOG_INFO); + + igc_logtype_driver = rte_log_register("pmd.net.igc.driver"); + if (igc_logtype_driver >= 0) + rte_log_set_level(igc_logtype_driver, RTE_LOG_INFO); +} diff --git a/drivers/net/igc/igc_logs.h b/drivers/net/igc/igc_logs.h new file mode 100644 index 0000000..67b1699 --- /dev/null +++ b/drivers/net/igc/igc_logs.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2019-2020 Intel Corporation + */ + +#ifndef _IGC_LOGS_H_ +#define _IGC_LOGS_H_ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +extern int igc_logtype_init; +extern int igc_logtype_driver; + +#define PMD_INIT_LOG(level, fmt, args...) \ + rte_log(RTE_LOG_ ## level, igc_logtype_init, \ + "%s(): " fmt "\n", __func__, ##args) + +#define PMD_INIT_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>") + +#define PMD_DRV_LOG_RAW(level, fmt, args...) \ + rte_log(RTE_LOG_ ## level, igc_logtype_driver, "%s(): " fmt, \ + __func__, ## args) + +#define PMD_DRV_LOG(level, fmt, args...) \ + PMD_DRV_LOG_RAW(level, fmt "\n", ## args) + +#ifdef __cplusplus +} +#endif + +#endif /* _IGC_LOGS_H_ */ diff --git a/drivers/net/igc/meson.build b/drivers/net/igc/meson.build new file mode 100644 index 0000000..22dd1cf --- /dev/null +++ b/drivers/net/igc/meson.build @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2019-2020 Intel Corporation + +sources = files( + 'igc_logs.c', + 'igc_ethdev.c' +) diff --git a/drivers/net/igc/rte_pmd_igc_version.map b/drivers/net/igc/rte_pmd_igc_version.map new file mode 100644 index 0000000..0a58b9d --- /dev/null +++ b/drivers/net/igc/rte_pmd_igc_version.map @@ -0,0 +1,3 @@ +DPDK_20.0.2 { + local: *; +}; diff --git a/drivers/net/meson.build b/drivers/net/meson.build index b0ea8fe..266448f 100644 --- a/drivers/net/meson.build +++ b/drivers/net/meson.build @@ -21,6 +21,7 @@ drivers = ['af_packet', 'hns3', 'iavf', 'ice', + 'igc', 'ipn3ke', 'ixgbe', 'kni', diff --git a/mk/rte.app.mk b/mk/rte.app.mk index f3798a0..8f139fd 100644 --- a/mk/rte.app.mk +++ b/mk/rte.app.mk @@ -189,6 +189,7 @@ IAVF-y += $(CONFIG_RTE_LIBRTE_ICE_PMD) ifeq ($(findstring y,$(IAVF-y)),y) _LDLIBS-y += -lrte_common_iavf endif +_LDLIBS-$(CONFIG_RTE_LIBRTE_IGC_PMD) += -lrte_pmd_igc _LDLIBS-$(CONFIG_RTE_LIBRTE_IONIC_PMD) += -lrte_pmd_ionic _LDLIBS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += -lrte_pmd_ixgbe ifeq ($(CONFIG_RTE_LIBRTE_KNI),y)