[PATCH v1] RDMA/rxe: Bump up default maximum values used via uverbs
From: Rao Shoaib <hidden>
Date: 2021-09-15 01:12:34
Subsystem:
infiniband subsystem, soft-roce driver (rxe), the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Zhu Yanjun, Linus Torvalds
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. Signed-off-by: Rao Shoaib <redacted> --- Resubmitting the patch after applying Bob's latest patches and testing using via rping. drivers/infiniband/sw/rxe/rxe_param.h | 30 ++++++++++++++------------- 1 file changed, 16 insertions(+), 14 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h
index 742e6ec93686..d703a54df4ec 100644
--- 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(int mtu) 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,
--
2.27.0