| Message ID | 1606741986-16477-1-git-send-email-selvin.xavier@broadcom.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Jason Gunthorpe |
| Headers | show |
| Series | RDMA/bnxt_re: Fix max_qp_wrs reported | expand |
On Mon, Nov 30, 2020 at 05:13:06AM -0800, Selvin Xavier wrote: > While creating qps, driver adds one extra entry to the sq size > passed by the ULPs in order to avoid queue full condition. > When ULPs creates QPs with max_qp_wr reported, driver creates > QP with 1 more than the max_wqes supported by HW. Create QP fails > in this case. To avoid this error, reduce 1 entry in max_qp_wqes > and report it to the stack. > > Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com> > Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> > --- > drivers/infiniband/hw/bnxt_re/qplib_sp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Applied to for-next, thanks Jason
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index e865690..6c6a9d2 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -118,7 +118,7 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, * 128 WQEs needs to be reserved for the HW (8916). Prevent * reporting the max number */ - attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS; + attr->max_qp_wqes -= (BNXT_QPLIB_RESERVED_QP_WRS + 1); attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx) ? 6 : sb->max_sge; attr->max_cq = le32_to_cpu(sb->max_cq);