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RDMA/bnxt_re: Update rq depth for app allocated QPs

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For app allocated QPs, there's no need to add extra slots or
to round up the slot count. Use 'max_recv_wr' count provided
by the application as is.

Link: https://patch.msgid.link/r/20260519150041.7251-3-sriharsha.basavapatna@broadcom.com
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Sriharsha Basavapatna 2026-05-19 20:30:34 +05:30 committed by Jason Gunthorpe
parent 9a79dcbedc
commit a3d27ad018
1 changed files with 14 additions and 8 deletions
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22
drivers/infiniband/hw/bnxt_re/ib_verbs.c
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@ -1475,7 +1475,8 @@ static struct bnxt_re_qp *bnxt_re_create_shadow_qp
static int bnxt_re_init_rq_attr(struct bnxt_re_qp *qp,
struct ib_qp_init_attr *init_attr,
struct bnxt_re_ucontext *uctx)
struct bnxt_re_ucontext *uctx,
bool fixed_que_attr)
{
struct bnxt_qplib_dev_attr *dev_attr;
struct bnxt_qplib_qp *qplqp;
@ -1500,12 +1501,16 @@ static int bnxt_re_init_rq_attr(struct bnxt_re_qp *qp,
init_attr->cap.max_recv_sge = rq->max_sge;
rq->wqe_size = bnxt_re_setup_rwqe_size(qplqp, rq->max_sge,
dev_attr->max_qp_sges);
/* Allocate 1 more than what's provided so posting max doesn't
* mean empty.
*/
rq->max_wqe = bnxt_re_init_depth(init_attr->cap.max_recv_wr + 1,
dev_attr->max_qp_wqes + 1,
uctx);
if (!fixed_que_attr) {
/* Allocate 1 more than what's provided so posting max doesn't
* mean empty.
*/
rq->max_wqe = bnxt_re_init_depth(init_attr->cap.max_recv_wr + 1,
dev_attr->max_qp_wqes + 1,
uctx);
} else {
rq->max_wqe = init_attr->cap.max_recv_wr;
}
rq->max_sw_wqe = rq->max_wqe;
rq->q_full_delta = 0;
rq->sg_info.pgsize = PAGE_SIZE;
@ -1676,6 +1681,7 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
{
struct bnxt_qplib_dev_attr *dev_attr;
struct bnxt_qplib_qp *qplqp;
bool fixed_que_attr = false;
struct bnxt_re_dev *rdev;
struct bnxt_re_cq *cq;
int rc = 0, qptype;
@ -1724,7 +1730,7 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
}
/* Setup RQ/SRQ */
rc = bnxt_re_init_rq_attr(qp, init_attr, uctx);
rc = bnxt_re_init_rq_attr(qp, init_attr, uctx, fixed_que_attr);
if (rc)
return rc;
if (init_attr->qp_type == IB_QPT_GSI)