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RDMA/bnxt_re: Correct FRMR size calculation

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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>
This commit is contained in:
Selvin Xavier 2021-09-15 05:32:41 -07:00 committed by Jason Gunthorpe
parent 690ea7fe00
commit 7a3c3a121e
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/bnxt_re/ib_verbs.c
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@ -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;
}