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RDMA/bnxt_re: Avoid initializing the software queue for user queues

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Software Queues to hold the WRs needs to be created
for only kernel queues. Avoid allocating the unnecessary
memory for user Queues.

Fixes: 1ac5a40479 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Fixes: 159fb4ceac ("RDMA/bnxt_re: introduce a function to allocate swq")
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/20241204075416.478431-3-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Selvin Xavier
2024-12-04 13:24:13 +05:30
committed by Leon Romanovsky
parent 79d330fbdf
commit 5effcacc8a
1 changed files with 23 additions and 19 deletions
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42
drivers/infiniband/hw/bnxt_re/qplib_fp.c
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@@ -659,13 +659,6 @@ int bnxt_qplib_create_srq(struct bnxt_qplib_res *res,
rc = bnxt_qplib_alloc_init_hwq(&srq->hwq, &hwq_attr);
if (rc)
return rc;
srq->swq = kcalloc(srq->hwq.max_elements, sizeof(*srq->swq),
GFP_KERNEL);
if (!srq->swq) {
rc = -ENOMEM;
goto fail;
}
srq->dbinfo.flags = 0;
bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
CMDQ_BASE_OPCODE_CREATE_SRQ,
@@ -694,9 +687,17 @@ int bnxt_qplib_create_srq(struct bnxt_qplib_res *res,
spin_lock_init(&srq->lock);
srq->start_idx = 0;
srq->last_idx = srq->hwq.max_elements - 1;
for (idx = 0; idx < srq->hwq.max_elements; idx++)
srq->swq[idx].next_idx = idx + 1;
srq->swq[srq->last_idx].next_idx = -1;
if (!srq->hwq.is_user) {
srq->swq = kcalloc(srq->hwq.max_elements, sizeof(*srq->swq),
GFP_KERNEL);
if (!srq->swq) {
rc = -ENOMEM;
goto fail;
}
for (idx = 0; idx < srq->hwq.max_elements; idx++)
srq->swq[idx].next_idx = idx + 1;
srq->swq[srq->last_idx].next_idx = -1;
}
srq->id = le32_to_cpu(resp.xid);
srq->dbinfo.hwq = &srq->hwq;
@@ -1042,13 +1043,14 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
if (rc)
return rc;
rc = bnxt_qplib_alloc_init_swq(sq);
if (rc)
goto fail_sq;
if (psn_sz)
bnxt_qplib_init_psn_ptr(qp, psn_sz);
if (!sq->hwq.is_user) {
rc = bnxt_qplib_alloc_init_swq(sq);
if (rc)
goto fail_sq;
if (psn_sz)
bnxt_qplib_init_psn_ptr(qp, psn_sz);
}
req.sq_size = cpu_to_le32(bnxt_qplib_set_sq_size(sq, qp->wqe_mode));
pbl = &sq->hwq.pbl[PBL_LVL_0];
req.sq_pbl = cpu_to_le64(pbl->pg_map_arr[0]);
@@ -1074,9 +1076,11 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
rc = bnxt_qplib_alloc_init_hwq(&rq->hwq, &hwq_attr);
if (rc)
goto sq_swq;
rc = bnxt_qplib_alloc_init_swq(rq);
if (rc)
goto fail_rq;
if (!rq->hwq.is_user) {
rc = bnxt_qplib_alloc_init_swq(rq);
if (rc)
goto fail_rq;
}
req.rq_size = cpu_to_le32(rq->max_wqe);
pbl = &rq->hwq.pbl[PBL_LVL_0];