| /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
| /* |
| * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved. |
| * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved. |
| */ |
| |
| #ifndef RXE_PARAM_H |
| #define RXE_PARAM_H |
| |
| #include <uapi/rdma/rdma_user_rxe.h> |
| |
| static inline enum ib_mtu rxe_mtu_int_to_enum(int mtu) |
| { |
| if (mtu < 256) |
| return 0; |
| else if (mtu < 512) |
| return IB_MTU_256; |
| else if (mtu < 1024) |
| return IB_MTU_512; |
| else if (mtu < 2048) |
| return IB_MTU_1024; |
| else if (mtu < 4096) |
| return IB_MTU_2048; |
| else |
| return IB_MTU_4096; |
| } |
| |
| /* Find the IB mtu for a given network MTU. */ |
| static inline enum ib_mtu eth_mtu_int_to_enum(int mtu) |
| { |
| mtu -= RXE_MAX_HDR_LENGTH; |
| |
| return rxe_mtu_int_to_enum(mtu); |
| } |
| |
| /* default/initial rxe device parameter settings */ |
| enum rxe_device_param { |
| RXE_MAX_MR_SIZE = -1ull, |
| RXE_PAGE_SIZE_CAP = 0xfffff000, |
| RXE_MAX_QP = 0x10000, |
| RXE_MAX_QP_WR = 0x4000, |
| RXE_DEVICE_CAP_FLAGS = IB_DEVICE_BAD_PKEY_CNTR |
| | IB_DEVICE_BAD_QKEY_CNTR |
| | IB_DEVICE_AUTO_PATH_MIG |
| | IB_DEVICE_CHANGE_PHY_PORT |
| | IB_DEVICE_UD_AV_PORT_ENFORCE |
| | IB_DEVICE_PORT_ACTIVE_EVENT |
| | IB_DEVICE_SYS_IMAGE_GUID |
| | IB_DEVICE_RC_RNR_NAK_GEN |
| | IB_DEVICE_SRQ_RESIZE |
| | IB_DEVICE_MEM_MGT_EXTENSIONS |
| | IB_DEVICE_ALLOW_USER_UNREG, |
| RXE_MAX_SGE = 32, |
| RXE_MAX_WQE_SIZE = sizeof(struct rxe_send_wqe) + |
| sizeof(struct ib_sge) * RXE_MAX_SGE, |
| RXE_MAX_INLINE_DATA = RXE_MAX_WQE_SIZE - |
| sizeof(struct rxe_send_wqe), |
| RXE_MAX_SGE_RD = 32, |
| RXE_MAX_CQ = 16384, |
| RXE_MAX_LOG_CQE = 15, |
| RXE_MAX_MR = 256 * 1024, |
| RXE_MAX_PD = 0x7ffc, |
| RXE_MAX_QP_RD_ATOM = 128, |
| RXE_MAX_RES_RD_ATOM = 0x3f000, |
| RXE_MAX_QP_INIT_RD_ATOM = 128, |
| RXE_MAX_MCAST_GRP = 8192, |
| RXE_MAX_MCAST_QP_ATTACH = 56, |
| RXE_MAX_TOT_MCAST_QP_ATTACH = 0x70000, |
| RXE_MAX_AH = 100, |
| RXE_MAX_SRQ = 960, |
| RXE_MAX_SRQ_WR = 0x4000, |
| RXE_MIN_SRQ_WR = 1, |
| RXE_MAX_SRQ_SGE = 27, |
| RXE_MIN_SRQ_SGE = 1, |
| RXE_MAX_FMR_PAGE_LIST_LEN = 512, |
| RXE_MAX_PKEYS = 1, |
| RXE_LOCAL_CA_ACK_DELAY = 15, |
| |
| RXE_MAX_UCONTEXT = 512, |
| |
| RXE_NUM_PORT = 1, |
| |
| RXE_MIN_QP_INDEX = 16, |
| RXE_MAX_QP_INDEX = 0x00020000, |
| |
| RXE_MIN_SRQ_INDEX = 0x00020001, |
| RXE_MAX_SRQ_INDEX = 0x00040000, |
| |
| RXE_MIN_MR_INDEX = 0x00000001, |
| RXE_MAX_MR_INDEX = 0x00040000, |
| RXE_MIN_MW_INDEX = 0x00040001, |
| RXE_MAX_MW_INDEX = 0x00060000, |
| RXE_MAX_PKT_PER_ACK = 64, |
| |
| RXE_MAX_UNACKED_PSNS = 128, |
| |
| /* Max inflight SKBs per queue pair */ |
| RXE_INFLIGHT_SKBS_PER_QP_HIGH = 64, |
| RXE_INFLIGHT_SKBS_PER_QP_LOW = 16, |
| |
| /* Delay before calling arbiter timer */ |
| RXE_NSEC_ARB_TIMER_DELAY = 200, |
| |
| /* IBTA v1.4 A3.3.1 VENDOR INFORMATION section */ |
| RXE_VENDOR_ID = 0XFFFFFF, |
| }; |
| |
| /* default/initial rxe port parameters */ |
| enum rxe_port_param { |
| RXE_PORT_GID_TBL_LEN = 1024, |
| RXE_PORT_PORT_CAP_FLAGS = IB_PORT_CM_SUP, |
| RXE_PORT_MAX_MSG_SZ = 0x800000, |
| RXE_PORT_BAD_PKEY_CNTR = 0, |
| RXE_PORT_QKEY_VIOL_CNTR = 0, |
| RXE_PORT_LID = 0, |
| RXE_PORT_SM_LID = 0, |
| RXE_PORT_SM_SL = 0, |
| RXE_PORT_LMC = 0, |
| RXE_PORT_MAX_VL_NUM = 1, |
| RXE_PORT_SUBNET_TIMEOUT = 0, |
| RXE_PORT_INIT_TYPE_REPLY = 0, |
| RXE_PORT_ACTIVE_WIDTH = IB_WIDTH_1X, |
| RXE_PORT_ACTIVE_SPEED = 1, |
| RXE_PORT_PKEY_TBL_LEN = 1, |
| RXE_PORT_PHYS_STATE = IB_PORT_PHYS_STATE_POLLING, |
| RXE_PORT_SUBNET_PREFIX = 0xfe80000000000000ULL, |
| }; |
| |
| /* default/initial port info parameters */ |
| enum rxe_port_info_param { |
| RXE_PORT_INFO_VL_CAP = 4, /* 1-8 */ |
| RXE_PORT_INFO_MTU_CAP = 5, /* 4096 */ |
| RXE_PORT_INFO_OPER_VL = 1, /* 1 */ |
| }; |
| |
| #endif /* RXE_PARAM_H */ |
