On Tue, Jul 13, 2021 at 4:37 PM Rao Shoaib <Rao.Shoaib@xxxxxxxxxx> wrote:
>
> From: Rao Shoaib <rao.shoaib@xxxxxxxxxx>
>
> In our internal testing we have found that the
> current maximum are too smalls. Ideally there should
> be no limits but currently maximum values are reported
> via ibv_query_device, so we have to keep maximum values
> but they have been made suffiently large.
>
> Signed-off-by: Rao Shoaib <rao.shoaib@xxxxxxxxxx>
> ---
> drivers/infiniband/sw/rxe/rxe_param.h | 26 ++++++++++++++------------
> 1 file changed, 14 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h
> index 742e6ec93686..66a948adb1e1 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)
How do you get this DEFAULT_MAX_VALUE? From spec? or others?
Zhu Yanjun
> +
> 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
> @@ -58,40 +60,40 @@ 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 = DEFAULT_MAX_VALUE,
> 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_MAX_QP = DEFAULT_MAX_VALUE,
> RXE_MIN_QP_INDEX = 16,
> - RXE_MAX_QP_INDEX = 0x00020000,
> + RXE_MAX_QP_INDEX = 0x00040000,
>
> - RXE_MAX_SRQ = 0x00001000,
> + RXE_MAX_SRQ = DEFAULT_MAX_VALUE,
> RXE_MIN_SRQ_INDEX = 0x00020001,
> RXE_MAX_SRQ_INDEX = 0x00040000,
>
> - RXE_MAX_MR = 0x00001000,
> + RXE_MAX_MR = DEFAULT_MAX_VALUE,
> RXE_MAX_MW = 0x00001000,
> RXE_MIN_MR_INDEX = 0x00000001,
> - RXE_MAX_MR_INDEX = 0x00010000,
> + RXE_MAX_MR_INDEX = 0x00040000,
> RXE_MIN_MW_INDEX = 0x00010001,
> RXE_MAX_MW_INDEX = 0x00020000,
>
> --
> 2.27.0
>
