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authorSelvin Xavier <selvin.xavier@broadcom.com>2024-08-18 21:47:25 -0700
committerJason Gunthorpe <jgg@nvidia.com>2024-08-27 10:15:57 -0300
commitb930d0bac9c671c053dd66229010ca9298e84aab (patch)
tree1236ff4bcf140a2fdc47ca099dd216f77992ea62
parent51edebb73497f5dc1da357947d6ac985f0158a1b (diff)
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 <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 5073ab18dc19..4dd137b7a5ce 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);
}