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| author | Selvin Xavier <selvin.xavier@broadcom.com> | 2021-09-15 05:32:41 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-09-20 13:37:02 -0300 |
| commit | 7a3c3a121eb73f59f04939a14c117e884f3538e2 (patch) | |
| tree | 12b961a4ba9bcaa46ad470aac1fd5e0cdfb1bc0f /drivers/infiniband/hw | |
| parent | 690ea7fe00afe1270590a9e4211705691dcef1bd (diff) | |
| download | lwn-7a3c3a121eb73f59f04939a14c117e884f3538e2.tar.gz lwn-7a3c3a121eb73f59f04939a14c117e884f3538e2.zip | |
RDMA/bnxt_re: Correct FRMR size calculation
FRMR WQE requires to provide the log2 value of the PBL and page size. Use
the standard ilog2() to calculate the log2 value
Link: https://lore.kernel.org/r/1631709163-2287-11-git-send-email-selvin.xavier@broadcom.com
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/ib_verbs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 1654260611a7..938088f86d3d 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -2488,7 +2488,8 @@ static int bnxt_re_build_reg_wqe(const struct ib_reg_wr *wr, wqe->frmr.l_key = wr->key; wqe->frmr.length = wr->mr->length; - wqe->frmr.pbl_pg_sz_log = (wr->mr->page_size >> PAGE_SHIFT_4K) - 1; + wqe->frmr.pbl_pg_sz_log = ilog2(PAGE_SIZE >> PAGE_SHIFT_4K); + wqe->frmr.pg_sz_log = ilog2(wr->mr->page_size >> PAGE_SHIFT_4K); wqe->frmr.va = wr->mr->iova; return 0; } |