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1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */2/*3 * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.4 * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.5 */6 7#ifndef RXE_PARAM_H8#define RXE_PARAM_H9 10#include <uapi/rdma/rdma_user_rxe.h>11 12#define DEFAULT_MAX_VALUE (1 << 20)13 14static inline enum ib_mtu rxe_mtu_int_to_enum(int mtu)15{16 if (mtu < 256)17 return 0;18 else if (mtu < 512)19 return IB_MTU_256;20 else if (mtu < 1024)21 return IB_MTU_512;22 else if (mtu < 2048)23 return IB_MTU_1024;24 else if (mtu < 4096)25 return IB_MTU_2048;26 else27 return IB_MTU_4096;28}29 30/* Find the IB mtu for a given network MTU. */31static inline enum ib_mtu eth_mtu_int_to_enum(int mtu)32{33 mtu -= RXE_MAX_HDR_LENGTH;34 35 return rxe_mtu_int_to_enum(mtu);36}37 38/* default/initial rxe device parameter settings */39enum rxe_device_param {40 RXE_MAX_MR_SIZE = -1ull,41 RXE_PAGE_SIZE_CAP = 0xfffff000,42 RXE_MAX_QP_WR = DEFAULT_MAX_VALUE,43 RXE_DEVICE_CAP_FLAGS = IB_DEVICE_BAD_PKEY_CNTR44 | IB_DEVICE_BAD_QKEY_CNTR45 | IB_DEVICE_AUTO_PATH_MIG46 | IB_DEVICE_CHANGE_PHY_PORT47 | IB_DEVICE_UD_AV_PORT_ENFORCE48 | IB_DEVICE_PORT_ACTIVE_EVENT49 | IB_DEVICE_SYS_IMAGE_GUID50 | IB_DEVICE_RC_RNR_NAK_GEN51 | IB_DEVICE_SRQ_RESIZE52 | IB_DEVICE_MEM_MGT_EXTENSIONS53 | IB_DEVICE_MEM_WINDOW54 | IB_DEVICE_FLUSH_GLOBAL55 | IB_DEVICE_FLUSH_PERSISTENT56#ifdef CONFIG_64BIT57 | IB_DEVICE_MEM_WINDOW_TYPE_2B58 | IB_DEVICE_ATOMIC_WRITE,59#else60 | IB_DEVICE_MEM_WINDOW_TYPE_2B,61#endif /* CONFIG_64BIT */62 RXE_MAX_SGE = 32,63 RXE_MAX_WQE_SIZE = sizeof(struct rxe_send_wqe) +64 sizeof(struct ib_sge) * RXE_MAX_SGE,65 RXE_MAX_INLINE_DATA = RXE_MAX_WQE_SIZE -66 sizeof(struct rxe_send_wqe),67 RXE_MAX_SGE_RD = 32,68 RXE_MAX_CQ = DEFAULT_MAX_VALUE,69 RXE_MAX_LOG_CQE = 15,70 RXE_MAX_PD = DEFAULT_MAX_VALUE,71 RXE_MAX_QP_RD_ATOM = 128,72 RXE_MAX_RES_RD_ATOM = 0x3f000,73 RXE_MAX_QP_INIT_RD_ATOM = 128,74 RXE_MAX_MCAST_GRP = 8192,75 RXE_MAX_MCAST_QP_ATTACH = 56,76 RXE_MAX_TOT_MCAST_QP_ATTACH = 0x70000,77 RXE_MAX_AH = (1<<15) - 1, /* 32Ki - 1 */78 RXE_MIN_AH_INDEX = 1,79 RXE_MAX_AH_INDEX = RXE_MAX_AH,80 RXE_MAX_SRQ_WR = DEFAULT_MAX_VALUE,81 RXE_MIN_SRQ_WR = 1,82 RXE_MAX_SRQ_SGE = 27,83 RXE_MIN_SRQ_SGE = 1,84 RXE_MAX_FMR_PAGE_LIST_LEN = 512,85 RXE_MAX_PKEYS = 64,86 RXE_LOCAL_CA_ACK_DELAY = 15,87 88 RXE_MAX_UCONTEXT = DEFAULT_MAX_VALUE,89 90 RXE_NUM_PORT = 1,91 92 RXE_MIN_QP_INDEX = 16,93 RXE_MAX_QP_INDEX = DEFAULT_MAX_VALUE,94 RXE_MAX_QP = DEFAULT_MAX_VALUE - RXE_MIN_QP_INDEX,95 96 RXE_MIN_SRQ_INDEX = 0x00020001,97 RXE_MAX_SRQ_INDEX = DEFAULT_MAX_VALUE,98 RXE_MAX_SRQ = DEFAULT_MAX_VALUE - RXE_MIN_SRQ_INDEX,99 100 RXE_MIN_MR_INDEX = 0x00000001,101 RXE_MAX_MR_INDEX = DEFAULT_MAX_VALUE >> 1,102 RXE_MAX_MR = RXE_MAX_MR_INDEX - RXE_MIN_MR_INDEX,103 RXE_MIN_MW_INDEX = RXE_MAX_MR_INDEX + 1,104 RXE_MAX_MW_INDEX = DEFAULT_MAX_VALUE,105 RXE_MAX_MW = RXE_MAX_MW_INDEX - RXE_MIN_MW_INDEX,106 107 RXE_MAX_PKT_PER_ACK = 64,108 109 RXE_MAX_UNACKED_PSNS = 128,110 111 /* Max inflight SKBs per queue pair */112 RXE_INFLIGHT_SKBS_PER_QP_HIGH = 64,113 RXE_INFLIGHT_SKBS_PER_QP_LOW = 16,114 115 /* Max number of interations of each work item116 * before yielding the cpu to let other117 * work make progress118 */119 RXE_MAX_ITERATIONS = 1024,120 121 /* Delay before calling arbiter timer */122 RXE_NSEC_ARB_TIMER_DELAY = 200,123 124 /* IBTA v1.4 A3.3.1 VENDOR INFORMATION section */125 RXE_VENDOR_ID = 0XFFFFFF,126};127 128/* default/initial rxe port parameters */129enum rxe_port_param {130 RXE_PORT_GID_TBL_LEN = 1024,131 RXE_PORT_PORT_CAP_FLAGS = IB_PORT_CM_SUP,132 RXE_PORT_MAX_MSG_SZ = 0x800000,133 RXE_PORT_BAD_PKEY_CNTR = 0,134 RXE_PORT_QKEY_VIOL_CNTR = 0,135 RXE_PORT_LID = 0,136 RXE_PORT_SM_LID = 0,137 RXE_PORT_SM_SL = 0,138 RXE_PORT_LMC = 0,139 RXE_PORT_MAX_VL_NUM = 1,140 RXE_PORT_SUBNET_TIMEOUT = 0,141 RXE_PORT_INIT_TYPE_REPLY = 0,142 RXE_PORT_ACTIVE_WIDTH = IB_WIDTH_1X,143 RXE_PORT_ACTIVE_SPEED = 1,144 RXE_PORT_PKEY_TBL_LEN = 1,145 RXE_PORT_PHYS_STATE = IB_PORT_PHYS_STATE_POLLING,146 RXE_PORT_SUBNET_PREFIX = 0xfe80000000000000ULL,147};148 149/* default/initial port info parameters */150enum rxe_port_info_param {151 RXE_PORT_INFO_VL_CAP = 4, /* 1-8 */152 RXE_PORT_INFO_MTU_CAP = 5, /* 4096 */153 RXE_PORT_INFO_OPER_VL = 1, /* 1 */154};155 156#endif /* RXE_PARAM_H */157