linux_dsm_epyc7002/drivers/infiniband/sw/rxe/rxe_param.h
Yonatan Cohen d680ebed91 IB/rxe: Increase max number of completions to 32k
Increase limit of max CQE from 8K to 32K to allow demanding
applications to work over SoftRoCE with same configuration
as most RoCEv2 HW vendors have.

Fixes: 8700e3e7c4 ("Soft RoCE driver")
Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-12-13 13:33:24 -05:00

173 lines
4.8 KiB
C

/*
* Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2015 System Fabric Works, Inc. 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 RXE_PARAM_H
#define RXE_PARAM_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_FW_VER = 0,
RXE_MAX_MR_SIZE = -1ull,
RXE_PAGE_SIZE_CAP = 0xfffff000,
RXE_VENDOR_ID = 0,
RXE_VENDOR_PART_ID = 0,
RXE_HW_VER = 0,
RXE_MAX_QP = 0x10000,
RXE_MAX_QP_WR = 0x4000,
RXE_MAX_INLINE_DATA = 400,
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,
RXE_MAX_SGE = 32,
RXE_MAX_SGE_RD = 32,
RXE_MAX_CQ = 16384,
RXE_MAX_LOG_CQE = 15,
RXE_MAX_MR = 2 * 1024,
RXE_MAX_PD = 0x7ffc,
RXE_MAX_QP_RD_ATOM = 128,
RXE_MAX_EE_RD_ATOM = 0,
RXE_MAX_RES_RD_ATOM = 0x3f000,
RXE_MAX_QP_INIT_RD_ATOM = 128,
RXE_MAX_EE_INIT_RD_ATOM = 0,
RXE_ATOMIC_CAP = 1,
RXE_MAX_EE = 0,
RXE_MAX_RDD = 0,
RXE_MAX_MW = 0,
RXE_MAX_RAW_IPV6_QP = 0,
RXE_MAX_RAW_ETHY_QP = 0,
RXE_MAX_MCAST_GRP = 8192,
RXE_MAX_MCAST_QP_ATTACH = 56,
RXE_MAX_TOT_MCAST_QP_ATTACH = 0x70000,
RXE_MAX_AH = 100,
RXE_MAX_FMR = 0,
RXE_MAX_MAP_PER_FMR = 0,
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 = 64,
RXE_LOCAL_CA_ACK_DELAY = 15,
RXE_MAX_UCONTEXT = 512,
RXE_NUM_PORT = 1,
RXE_NUM_COMP_VECTORS = 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,
};
/* default/initial rxe port parameters */
enum rxe_port_param {
RXE_PORT_STATE = IB_PORT_DOWN,
RXE_PORT_MAX_MTU = IB_MTU_4096,
RXE_PORT_ACTIVE_MTU = IB_MTU_256,
RXE_PORT_GID_TBL_LEN = 1024,
RXE_PORT_PORT_CAP_FLAGS = RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP,
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 = 64,
RXE_PORT_PHYS_STATE = 2,
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 */