From: Selvin Xavier Date: Mon, 19 Aug 2024 04:47:25 +0000 (-0700) Subject: RDMA/bnxt_re: Fix the table size for PSN/MSN entries X-Git-Tag: v6.12-rc1~72^2~69^2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b930d0bac9c671c053dd66229010ca9298e84aab;p=thirdparty%2Fkernel%2Flinux.git RDMA/bnxt_re: Fix the table size for PSN/MSN entries HW MSN table size is always a power of 2. So the pages should be mapped accordingly. Use the power of two calculation while get the number of PSN/MSN entries. Fixes: 6f6bfbc595fb ("RDMA/bnxt_re: Expose the MSN table capability for user library") Link: https://patch.msgid.link/r/1724042847-1481-4-git-send-email-selvin.xavier@broadcom.com Signed-off-by: Selvin Xavier Signed-off-by: Jason Gunthorpe --- diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 5073ab18dc19f..4dd137b7a5ce4 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -1042,6 +1042,8 @@ static int bnxt_re_init_user_qp(struct bnxt_re_dev *rdev, struct bnxt_re_pd *pd, qplib_qp->sq.max_wqe : ((qplib_qp->sq.max_wqe * qplib_qp->sq.wqe_size) / sizeof(struct bnxt_qplib_sge)); + if (_is_host_msn_table(rdev->qplib_res.dattr->dev_cap_flags2)) + psn_nume = roundup_pow_of_two(psn_nume); bytes += (psn_nume * psn_sz); }