@@ -347,6 +347,12 @@ F: drivers/net/ena/
F: doc/guides/nics/ena.rst
F: doc/guides/nics/features/ena.ini
+AMD AXGBE PMD
+M: Ravi Kumar <ravi1.kumar@amd.com>
+F: drivers/net/axgbe/
+F: doc/guides/nics/axgbe.rst
+F: doc/guides/nics/features/axgbe.ini
+
Atomic Rules ARK
M: Shepard Siegel <shepard.siegel@atomicrules.com>
M: Ed Czeck <ed.czeck@atomicrules.com>
@@ -445,6 +445,12 @@ CONFIG_RTE_LIBRTE_AVP_DEBUG_DRIVER=y
CONFIG_RTE_LIBRTE_AVP_DEBUG_BUFFERS=n
#
+# Compile AMD PMD
+#
+CONFIG_RTE_LIBRTE_AXGBE_PMD=n
+CONFIG_RTE_LIBRTE_AXGBE_DEBUG_INIT=n
+
+#
# Compile the TAP PMD
# It is enabled by default for Linux only.
#
@@ -39,6 +39,7 @@ endif
DIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += af_packet
DIRS-$(CONFIG_RTE_LIBRTE_ARK_PMD) += ark
DIRS-$(CONFIG_RTE_LIBRTE_AVP_PMD) += avp
+DIRS-$(CONFIG_RTE_LIBRTE_AXGBE_PMD) += axgbe
DIRS-$(CONFIG_RTE_LIBRTE_BNX2X_PMD) += bnx2x
DIRS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += bonding
DIRS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD) += cxgbe
new file mode 100644
@@ -0,0 +1,146 @@
+#
+# Copyright (c) 2017 Advanced Micro Devices, Inc.
+# All rights reserved.
+#
+# AMD 10Gb Ethernet driver
+#
+# This file is available to you under your choice of the following two
+# licenses:
+#
+# License 1: GPLv2
+#
+# Copyright (c) 2017 Advanced Micro Devices, Inc.
+#
+# This file is free software; you may copy, redistribute and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or (at
+# your option) any later version.
+#
+# This file is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# This file incorporates work covered by the following copyright and
+# permission notice:
+#
+# Copyright (c) 2013 Synopsys, Inc.
+#
+# The Synopsys DWC ETHER XGMAC Software Driver and documentation
+# (hereinafter "Software") is an unsupported proprietary work of Synopsys,
+# Inc. unless otherwise expressly agreed to in writing between Synopsys
+# and you.
+#
+# The Software IS NOT an item of Licensed Software or Licensed Product
+# under any End User Software License Agreement or Agreement for Licensed
+# Product with Synopsys or any supplement thereto. Permission is hereby
+# granted, free of charge, to any person obtaining a copy of this software
+# annotated with this license and the Software, to deal in the Software
+# without restriction, including without limitation the rights to use,
+# copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+# of the Software, and to permit persons to whom the Software is furnished
+# to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
+# BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+# PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
+# 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.
+#
+# License 2: Modified BSD
+#
+# Copyright (c) 2017 Advanced Micro Devices, Inc.
+# All rights reserved.
+#
+# 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 Advanced Micro Devices, 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 <COPYRIGHT HOLDER> 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.
+#
+# This file incorporates work covered by the following copyright and
+# permission notice:
+#
+# Copyright (c) 2013 Synopsys, Inc.
+#
+# The Synopsys DWC ETHER XGMAC Software Driver and documentation
+# (hereinafter "Software") is an unsupported proprietary work of Synopsys,
+# Inc. unless otherwise expressly agreed to in writing between Synopsys
+# and you.
+#
+# The Software IS NOT an item of Licensed Software or Licensed Product
+# under any End User Software License Agreement or Agreement for Licensed
+# Product with Synopsys or any supplement thereto. Permission is hereby
+# granted, free of charge, to any person obtaining a copy of this software
+# annotated with this license and the Software, to deal in the Software
+# without restriction, including without limitation the rights to use,
+# copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+# of the Software, and to permit persons to whom the Software is furnished
+# to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
+# BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+# PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
+# 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
+
+#
+# library name
+#
+LIB = librte_pmd_axgbe.a
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+EXPORT_MAP := rte_pmd_axgbe_version.map
+
+LIBABIVER := 1
+
+#
+# all source are stored in SRCS-y
+#
+SRCS-$(CONFIG_RTE_LIBRTE_AXGBE_PMD) += axgbe_ethdev.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
new file mode 100644
@@ -0,0 +1,172 @@
+/*-
+ * Copyright(c) 2014-2017 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * AMD 10Gb Ethernet driver
+ *
+ * This file is available to you under your choice of the following two
+ * licenses:
+ *
+ * License 1: GPLv2
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ *
+ * This file is free software; you may copy, redistribute and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2013 Synopsys, Inc.
+ *
+ * The Synopsys DWC ETHER XGMAC Software Driver and documentation
+ * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
+ * Inc. unless otherwise expressly agreed to in writing between Synopsys
+ * and you.
+ *
+ * The Software IS NOT an item of Licensed Software or Licensed Product
+ * under any End User Software License Agreement or Agreement for Licensed
+ * Product with Synopsys or any supplement thereto. Permission is hereby
+ * granted, free of charge, to any person obtaining a copy of this software
+ * annotated with this license and the Software, to deal in the Software
+ * without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
+ * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
+ * 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.
+ *
+ * License 2: Modified BSD
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * 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 Advanced Micro Devices, 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
+ * <COPYRIGHT HOLDER> 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.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2013 Synopsys, Inc.
+ *
+ * The Synopsys DWC ETHER XGMAC Software Driver and documentation
+ * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
+ * Inc. unless otherwise expressly agreed to in writing between Synopsys
+ * and you.
+ *
+ * The Software IS NOT an item of Licensed Software or Licensed Product
+ * under any End User Software License Agreement or Agreement for Licensed
+ * Product with Synopsys or any supplement thereto. Permission is hereby
+ * granted, free of charge, to any person obtaining a copy of this software
+ * annotated with this license and the Software, to deal in the Software
+ * without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
+ * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
+ * 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 __AXGBE_COMMON_H__
+#define __AXGBE_COMMON_H__
+
+#include "axgbe_logs.h"
+
+#include <stdbool.h>
+#include <limits.h>
+#include <sys/queue.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <inttypes.h>
+#include <pthread.h>
+
+#include <rte_byteorder.h>
+#include <rte_memory.h>
+#include <rte_malloc.h>
+#include <rte_hexdump.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_branch_prediction.h>
+#include <rte_eal.h>
+#include <rte_memzone.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_dev.h>
+#include <rte_errno.h>
+#include <rte_dev.h>
+#include <rte_ethdev_pci.h>
+#include <rte_common.h>
+#include <rte_cycles.h>
+#include <rte_io.h>
+
+#define BIT(nr) (1 << (nr))
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+#endif
+
+#define AXGBE_HZ 250
+
+#endif /* __AXGBE_COMMON_H__ */
new file mode 100644
@@ -0,0 +1,219 @@
+/*-
+ * Copyright(c) 2017 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * AMD 10Gb Ethernet driver
+ *
+ * This file is available to you under your choice of the following two
+ * licenses:
+ *
+ * License 1: GPLv2
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ *
+ * This file is free software; you may copy, redistribute and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2013 Synopsys, Inc.
+ *
+ * The Synopsys DWC ETHER XGMAC Software Driver and documentation
+ * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
+ * Inc. unless otherwise expressly agreed to in writing between Synopsys
+ * and you.
+ *
+ * The Software IS NOT an item of Licensed Software or Licensed Product
+ * under any End User Software License Agreement or Agreement for Licensed
+ * Product with Synopsys or any supplement thereto. Permission is hereby
+ * granted, free of charge, to any person obtaining a copy of this software
+ * annotated with this license and the Software, to deal in the Software
+ * without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
+ * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
+ * 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.
+ *
+ * License 2: Modified BSD
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * 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 Advanced Micro Devices, 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
+ * <COPYRIGHT HOLDER> 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.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2013 Synopsys, Inc.
+ *
+ * The Synopsys DWC ETHER XGMAC Software Driver and documentation
+ * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
+ * Inc. unless otherwise expressly agreed to in writing between Synopsys
+ * and you.
+ *
+ * The Software IS NOT an item of Licensed Software or Licensed Product
+ * under any End User Software License Agreement or Agreement for Licensed
+ * Product with Synopsys or any supplement thereto. Permission is hereby
+ * granted, free of charge, to any person obtaining a copy of this software
+ * annotated with this license and the Software, to deal in the Software
+ * without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
+ * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
+ * 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 "axgbe_ethdev.h"
+
+static int eth_axgbe_dev_init(struct rte_eth_dev *eth_dev);
+static int eth_axgbe_dev_uninit(struct rte_eth_dev *eth_dev);
+
+/* The set of PCI devices this driver supports */
+#define AMD_PCI_VENDOR_ID 0x1022
+#define AMD_PCI_AXGBE_DEVICE_ID1 0x1458
+#define AMD_PCI_AXGBE_DEVICE_ID2 0x1459
+
+int axgbe_logtype_init;
+int axgbe_logtype_driver;
+
+static const struct rte_pci_id pci_id_axgbe_map[] = {
+ {RTE_PCI_DEVICE(AMD_PCI_VENDOR_ID, AMD_PCI_AXGBE_DEVICE_ID1)},
+ {RTE_PCI_DEVICE(AMD_PCI_VENDOR_ID, AMD_PCI_AXGBE_DEVICE_ID2)},
+ { .vendor_id = 0, },
+};
+
+/*
+ * It returns 0 on success.
+ */
+static int
+eth_axgbe_dev_init(struct rte_eth_dev *eth_dev)
+{
+ PMD_INIT_FUNC_TRACE();
+ struct axgbe_port *pdata;
+ struct rte_pci_device *pci_dev;
+
+ pdata = (struct axgbe_port *)eth_dev->data->dev_private;
+ pdata->eth_dev = eth_dev;
+
+ /*
+ * For secondary processes, we don't initialise any further as primary
+ * has already done this work.
+ */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
+ pdata->pci_dev = pci_dev;
+
+ PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x",
+ eth_dev->data->port_id, pci_dev->id.vendor_id,
+ pci_dev->id.device_id);
+
+ return 0;
+}
+
+static int
+eth_axgbe_dev_uninit(struct rte_eth_dev *eth_dev __rte_unused)
+{
+ /* stub function */
+ PMD_INIT_FUNC_TRACE();
+
+ return 0;
+}
+
+static int eth_axgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_probe(pci_dev,
+ sizeof(struct axgbe_port), eth_axgbe_dev_init);
+}
+
+static int eth_axgbe_pci_remove(struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_remove(pci_dev, eth_axgbe_dev_uninit);
+}
+
+static struct rte_pci_driver rte_axgbe_pmd = {
+ .id_table = pci_id_axgbe_map,
+ .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+ .probe = eth_axgbe_pci_probe,
+ .remove = eth_axgbe_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_axgbe, rte_axgbe_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_axgbe, pci_id_axgbe_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_axgbe, "* igb_uio | uio_pci_generic");
+
+RTE_INIT(axgbe_init_log);
+static void
+axgbe_init_log(void)
+{
+ axgbe_logtype_init = rte_log_register("pmd.axgbe.init");
+ if (axgbe_logtype_init >= 0)
+ rte_log_set_level(axgbe_logtype_init, RTE_LOG_NOTICE);
+ axgbe_logtype_driver = rte_log_register("pmd.axgbe.driver");
+ if (axgbe_logtype_driver >= 0)
+ rte_log_set_level(axgbe_logtype_driver, RTE_LOG_NOTICE);
+}
new file mode 100644
@@ -0,0 +1,145 @@
+/*-
+ * Copyright(c) 2017 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * AMD 10Gb Ethernet driver
+ *
+ * This file is available to you under your choice of the following two
+ * licenses:
+ *
+ * License 1: GPLv2
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ *
+ * This file is free software; you may copy, redistribute and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2013 Synopsys, Inc.
+ *
+ * The Synopsys DWC ETHER XGMAC Software Driver and documentation
+ * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
+ * Inc. unless otherwise expressly agreed to in writing between Synopsys
+ * and you.
+ *
+ * The Software IS NOT an item of Licensed Software or Licensed Product
+ * under any End User Software License Agreement or Agreement for Licensed
+ * Product with Synopsys or any supplement thereto. Permission is hereby
+ * granted, free of charge, to any person obtaining a copy of this software
+ * annotated with this license and the Software, to deal in the Software
+ * without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
+ * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
+ * 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.
+ *
+ * License 2: Modified BSD
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * 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 Advanced Micro Devices, 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
+ * <COPYRIGHT HOLDER> 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.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2013 Synopsys, Inc.
+ *
+ * The Synopsys DWC ETHER XGMAC Software Driver and documentation
+ * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
+ * Inc. unless otherwise expressly agreed to in writing between Synopsys
+ * and you.
+ *
+ * The Software IS NOT an item of Licensed Software or Licensed Product
+ * under any End User Software License Agreement or Agreement for Licensed
+ * Product with Synopsys or any supplement thereto. Permission is hereby
+ * granted, free of charge, to any person obtaining a copy of this software
+ * annotated with this license and the Software, to deal in the Software
+ * without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
+ * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
+ * 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 RTE_ETH_AXGBE_H_
+#define RTE_ETH_AXGBE_H_
+
+#include <rte_mempool.h>
+#include <rte_lcore.h>
+#include "axgbe_common.h"
+
+/*
+ * Structure to store private data for each port.
+ */
+struct axgbe_port {
+ /* Ethdev where port belongs*/
+ struct rte_eth_dev *eth_dev;
+ /* Pci dev info */
+ const struct rte_pci_device *pci_dev;
+};
+
+#endif /* RTE_ETH_AXGBE_H_ */
new file mode 100644
@@ -0,0 +1,152 @@
+/*-
+ * Copyright(c) 2017 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * AMD 10Gb Ethernet driver
+ *
+ * This file is available to you under your choice of the following two
+ * licenses:
+ *
+ * License 1: GPLv2
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ *
+ * This file is free software; you may copy, redistribute and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2013 Synopsys, Inc.
+ *
+ * The Synopsys DWC ETHER XGMAC Software Driver and documentation
+ * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
+ * Inc. unless otherwise expressly agreed to in writing between Synopsys
+ * and you.
+ *
+ * The Software IS NOT an item of Licensed Software or Licensed Product
+ * under any End User Software License Agreement or Agreement for Licensed
+ * Product with Synopsys or any supplement thereto. Permission is hereby
+ * granted, free of charge, to any person obtaining a copy of this software
+ * annotated with this license and the Software, to deal in the Software
+ * without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
+ * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
+ * 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.
+ *
+ * License 2: Modified BSD
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * 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 Advanced Micro Devices, 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
+ * <COPYRIGHT HOLDER> 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.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2013 Synopsys, Inc.
+ *
+ * The Synopsys DWC ETHER XGMAC Software Driver and documentation
+ * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
+ * Inc. unless otherwise expressly agreed to in writing between Synopsys
+ * and you.
+ *
+ * The Software IS NOT an item of Licensed Software or Licensed Product
+ * under any End User Software License Agreement or Agreement for Licensed
+ * Product with Synopsys or any supplement thereto. Permission is hereby
+ * granted, free of charge, to any person obtaining a copy of this software
+ * annotated with this license and the Software, to deal in the Software
+ * without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished
+ * to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
+ * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
+ * 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 _AXGBE_LOGS_H_
+#define _AXGBE_LOGS_H_
+
+#include <stdio.h>
+
+extern int axgbe_logtype_init;
+#define PMD_INIT_LOG(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, axgbe_logtype_init, "%s(): " fmt "\n", \
+ __func__, ##args)
+
+#ifdef RTE_LIBRTE_AXGBE_DEBUG_INIT
+#define PMD_INIT_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")
+#else
+#define PMD_INIT_FUNC_TRACE() do { } while (0)
+#endif
+
+extern int axgbe_logtype_driver;
+#define PMD_DRV_LOG_RAW(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, axgbe_logtype_driver, "%s(): " fmt, \
+ __func__, ## args)
+
+#define PMD_DRV_LOG(level, fmt, args...) \
+ PMD_DRV_LOG_RAW(level, fmt "\n", ## args)
+
+#endif /* _AXGBE_LOGS_H_ */
new file mode 100644
@@ -0,0 +1,4 @@
+DPDK_18.02 {
+
+ local: *;
+};
@@ -120,6 +120,7 @@ _LDLIBS-$(CONFIG_RTE_DRIVER_MEMPOOL_STACK) += -lrte_mempool_stack
_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += -lrte_pmd_af_packet
_LDLIBS-$(CONFIG_RTE_LIBRTE_ARK_PMD) += -lrte_pmd_ark
_LDLIBS-$(CONFIG_RTE_LIBRTE_AVP_PMD) += -lrte_pmd_avp
+_LDLIBS-$(CONFIG_RTE_LIBRTE_AXGBE_PMD) += -lrte_pmd_axgbe
_LDLIBS-$(CONFIG_RTE_LIBRTE_BNX2X_PMD) += -lrte_pmd_bnx2x -lz
_LDLIBS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += -lrte_pmd_bnxt
_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += -lrte_pmd_bond