From: Rao Shoaib <Rao.Shoaib@oracle.com>
Date: Tue, 14 Sep 2021 18:12:20 -0700
Subject: RDMA/rxe: Bump up default maximum values used via uverbs
Patch-mainline: v5.16-rc1
Git-commit: 0994a1bcd5f7c0bf7ca3b4938d4f0f6928ac7886
References: jsc#SLE-19249
In our internal testing we have found that default maximum values are too
small. Ideally there should be no limits, but since maximum values are
reported via ibv_query_device, we have to return some value. So, the
default maximums have been changed to large values.
Link: https://lore.kernel.org/r/20210915011220.307585-1-Rao.Shoaib@oracle.com
Signed-off-by: Rao Shoaib <Rao.Shoaib@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/sw/rxe/rxe_param.h | 30 ++++++++++++++++--------------
1 file changed, 16 insertions(+), 14 deletions(-)
--- a/drivers/infiniband/sw/rxe/rxe_param.h
+++ b/drivers/infiniband/sw/rxe/rxe_param.h
@@ -9,6 +9,8 @@
#include <uapi/rdma/rdma_user_rxe.h>
+#define DEFAULT_MAX_VALUE (1 << 20)
+
static inline enum ib_mtu rxe_mtu_int_to_enum(int mtu)
{
if (mtu < 256)
@@ -37,7 +39,7 @@ static inline enum ib_mtu eth_mtu_int_to
enum rxe_device_param {
RXE_MAX_MR_SIZE = -1ull,
RXE_PAGE_SIZE_CAP = 0xfffff000,
- RXE_MAX_QP_WR = 0x4000,
+ RXE_MAX_QP_WR = DEFAULT_MAX_VALUE,
RXE_DEVICE_CAP_FLAGS = IB_DEVICE_BAD_PKEY_CNTR
| IB_DEVICE_BAD_QKEY_CNTR
| IB_DEVICE_AUTO_PATH_MIG
@@ -58,42 +60,42 @@ enum rxe_device_param {
RXE_MAX_INLINE_DATA = RXE_MAX_WQE_SIZE -
sizeof(struct rxe_send_wqe),
RXE_MAX_SGE_RD = 32,
- RXE_MAX_CQ = 16384,
+ RXE_MAX_CQ = DEFAULT_MAX_VALUE,
RXE_MAX_LOG_CQE = 15,
- RXE_MAX_PD = 0x7ffc,
+ RXE_MAX_PD = DEFAULT_MAX_VALUE,
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_WR = 0x4000,
+ RXE_MAX_AH = DEFAULT_MAX_VALUE,
+ RXE_MAX_SRQ_WR = DEFAULT_MAX_VALUE,
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_MAX_PKEYS = 64,
RXE_LOCAL_CA_ACK_DELAY = 15,
- RXE_MAX_UCONTEXT = 512,
+ RXE_MAX_UCONTEXT = DEFAULT_MAX_VALUE,
RXE_NUM_PORT = 1,
- RXE_MAX_QP = 0x10000,
RXE_MIN_QP_INDEX = 16,
- RXE_MAX_QP_INDEX = 0x00020000,
+ RXE_MAX_QP_INDEX = DEFAULT_MAX_VALUE,
+ RXE_MAX_QP = DEFAULT_MAX_VALUE - RXE_MIN_QP_INDEX,
- RXE_MAX_SRQ = 0x00001000,
RXE_MIN_SRQ_INDEX = 0x00020001,
- RXE_MAX_SRQ_INDEX = 0x00040000,
+ RXE_MAX_SRQ_INDEX = DEFAULT_MAX_VALUE,
+ RXE_MAX_SRQ = DEFAULT_MAX_VALUE - RXE_MIN_SRQ_INDEX,
- RXE_MAX_MR = 0x00001000,
- RXE_MAX_MW = 0x00001000,
RXE_MIN_MR_INDEX = 0x00000001,
- RXE_MAX_MR_INDEX = 0x00010000,
+ RXE_MAX_MR_INDEX = DEFAULT_MAX_VALUE,
+ RXE_MAX_MR = DEFAULT_MAX_VALUE - RXE_MIN_MR_INDEX,
RXE_MIN_MW_INDEX = 0x00010001,
RXE_MAX_MW_INDEX = 0x00020000,
+ RXE_MAX_MW = 0x00001000,
RXE_MAX_PKT_PER_ACK = 64,