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IB/rdmavt, IB/hfi1, IB/qib: Add inlines for mtu division

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Add rvt_div_round_up_mtu() and rvt_div_mtu() routines to
do the computation based on the pmtu and the log_pmtu.

Change divides in qib, hfi1 to use the new inlines.

Reviewed-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Mike Marciniszyn
2016-12-07 19:34:37 -08:00
committed by Doug Ledford
parent c64607aa8a
commit 5dc806052a
3 changed files with 25 additions and 5 deletions
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3
drivers/infiniband/hw/qib/qib_rc.c
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@@ -2079,8 +2079,7 @@ send_last:
* Update the next expected PSN. We add 1 later
* below, so only add the remainder here.
*/
if (len > pmtu)
qp->r_psn += (len - 1) / pmtu;
qp->r_psn += rvt_div_mtu(qp, len - 1);
} else {
e->rdma_sge.mr = NULL;
e->rdma_sge.vaddr = NULL;