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mlx4-abi.h/
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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ /* * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved. * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * 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. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */
#ifndef MLX4_ABI_USER_H #define MLX4_ABI_USER_H
#include <linux/types.h>
/* * Increment this value if any changes that break userspace ABI * compatibility are made. */
/* * Make sure that all structs defined in this file remain laid out so * that they pack the same way on 32-bit and 64-bit architectures (to * avoid incompatibility between 32-bit userspace and 64-bit kernels). * In particular do not use pointer types -- pass pointers in __u64 * instead. */
/* * RX Hash flags, these flags allows to set which incoming packet's field should * participates in RX Hash. Each flag represent certain packet's field, * when the flag is set the field that is represented by the flag will * participate in RX Hash calculation. */ enum mlx4_ib_rx_hash_fields { MLX4_IB_RX_HASH_SRC_IPV4 = 1 << 0, MLX4_IB_RX_HASH_DST_IPV4 = 1 << 1, MLX4_IB_RX_HASH_SRC_IPV6 = 1 << 2, MLX4_IB_RX_HASH_DST_IPV6 = 1 << 3, MLX4_IB_RX_HASH_SRC_PORT_TCP = 1 << 4, MLX4_IB_RX_HASH_DST_PORT_TCP = 1 << 5, MLX4_IB_RX_HASH_SRC_PORT_UDP = 1 << 6, MLX4_IB_RX_HASH_DST_PORT_UDP = 1 << 7, MLX4_IB_RX_HASH_INNER = 1ULL << 31, };
struct mlx4_ib_tso_caps { __u32 max_tso; /* Maximum tso payload size in bytes */ /* Corresponding bit will be set if qp type from * 'enum ib_qp_type' is supported. */ __u32 supported_qpts; };