diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 7c757351a0166..5073ab18dc19f 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1156,6 +1156,7 @@ static struct bnxt_re_qp *bnxt_re_create_shadow_qp
 	/* Shadow QP SQ depth should be same as QP1 RQ depth */
 	qp->qplib_qp.sq.wqe_size = bnxt_re_get_wqe_size(0, 6);
 	qp->qplib_qp.sq.max_wqe = qp1_qp->rq.max_wqe;
+	qp->qplib_qp.sq.max_sw_wqe = qp1_qp->rq.max_wqe;
 	qp->qplib_qp.sq.max_sge = 2;
 	/* Q full delta can be 1 since it is internal QP */
 	qp->qplib_qp.sq.q_full_delta = 1;
@@ -1167,6 +1168,7 @@ static struct bnxt_re_qp *bnxt_re_create_shadow_qp
 
 	qp->qplib_qp.rq.wqe_size = bnxt_re_get_rwqe_size(6);
 	qp->qplib_qp.rq.max_wqe = qp1_qp->rq.max_wqe;
+	qp->qplib_qp.rq.max_sw_wqe = qp1_qp->rq.max_wqe;
 	qp->qplib_qp.rq.max_sge = qp1_qp->rq.max_sge;
 	/* Q full delta can be 1 since it is internal QP */
 	qp->qplib_qp.rq.q_full_delta = 1;
@@ -1228,6 +1230,7 @@ static int bnxt_re_init_rq_attr(struct bnxt_re_qp *qp,
 		 */
 		entries = bnxt_re_init_depth(init_attr->cap.max_recv_wr + 1, uctx);
 		rq->max_wqe = min_t(u32, entries, dev_attr->max_qp_wqes + 1);
+		rq->max_sw_wqe = rq->max_wqe;
 		rq->q_full_delta = 0;
 		rq->sg_info.pgsize = PAGE_SIZE;
 		rq->sg_info.pgshft = PAGE_SHIFT;
@@ -1287,6 +1290,7 @@ static int bnxt_re_init_sq_attr(struct bnxt_re_qp *qp,
 		0 : BNXT_QPLIB_RESERVED_QP_WRS;
 	entries = bnxt_re_init_depth(entries + diff + 1, uctx);
 	sq->max_wqe = min_t(u32, entries, dev_attr->max_qp_wqes + diff + 1);
+	sq->max_sw_wqe = bnxt_qplib_get_depth(sq, qplqp->wqe_mode, true);
 	sq->q_full_delta = diff + 1;
 	/*
 	 * Reserving one slot for Phantom WQE. Application can
@@ -2155,6 +2159,7 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
 			entries = bnxt_re_init_depth(qp_attr->cap.max_recv_wr, uctx);
 			qp->qplib_qp.rq.max_wqe =
 				min_t(u32, entries, dev_attr->max_qp_wqes + 1);
+			qp->qplib_qp.rq.max_sw_wqe = qp->qplib_qp.rq.max_wqe;
 			qp->qplib_qp.rq.q_full_delta = qp->qplib_qp.rq.max_wqe -
 						       qp_attr->cap.max_recv_wr;
 			qp->qplib_qp.rq.max_sge = qp_attr->cap.max_recv_sge;
@@ -4187,9 +4192,6 @@ int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata)
 	resp.cqe_sz = sizeof(struct cq_base);
 	resp.max_cqd = dev_attr->max_cq_wqes;
 
-	resp.comp_mask |= BNXT_RE_UCNTX_CMASK_HAVE_MODE;
-	resp.mode = rdev->chip_ctx->modes.wqe_mode;
-
 	if (rdev->chip_ctx->modes.db_push)
 		resp.comp_mask |= BNXT_RE_UCNTX_CMASK_WC_DPI_ENABLED;
 
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index 9714b9ab75240..31ba89cffe9d8 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -129,13 +129,13 @@ static void bnxt_re_set_db_offset(struct bnxt_re_dev *rdev)
 	}
 }
 
-static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev, u8 mode)
+static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev)
 {
 	struct bnxt_qplib_chip_ctx *cctx;
 
 	cctx = rdev->chip_ctx;
-	cctx->modes.wqe_mode = bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx) ?
-			       mode : BNXT_QPLIB_WQE_MODE_STATIC;
+	cctx->modes.wqe_mode = bnxt_qplib_is_chip_gen_p7(rdev->chip_ctx) ?
+			       BNXT_QPLIB_WQE_MODE_VARIABLE : BNXT_QPLIB_WQE_MODE_STATIC;
 	if (bnxt_re_hwrm_qcaps(rdev))
 		dev_err(rdev_to_dev(rdev),
 			"Failed to query hwrm qcaps\n");
@@ -158,7 +158,7 @@ static void bnxt_re_destroy_chip_ctx(struct bnxt_re_dev *rdev)
 	kfree(chip_ctx);
 }
 
-static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev, u8 wqe_mode)
+static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev)
 {
 	struct bnxt_qplib_chip_ctx *chip_ctx;
 	struct bnxt_en_dev *en_dev;
@@ -180,7 +180,7 @@ static int bnxt_re_setup_chip_ctx(struct bnxt_re_dev *rdev, u8 wqe_mode)
 	rdev->qplib_res.dattr = &rdev->dev_attr;
 	rdev->qplib_res.is_vf = BNXT_EN_VF(en_dev);
 
-	bnxt_re_set_drv_mode(rdev, wqe_mode);
+	bnxt_re_set_drv_mode(rdev);
 
 	bnxt_re_set_db_offset(rdev);
 	rc = bnxt_qplib_map_db_bar(&rdev->qplib_res);
@@ -1620,7 +1620,7 @@ static void bnxt_re_worker(struct work_struct *work)
 	schedule_delayed_work(&rdev->worker, msecs_to_jiffies(30000));
 }
 
-static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode)
+static int bnxt_re_dev_init(struct bnxt_re_dev *rdev)
 {
 	struct bnxt_re_ring_attr rattr = {};
 	struct bnxt_qplib_creq_ctx *creq;
@@ -1638,7 +1638,7 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode)
 	}
 	set_bit(BNXT_RE_FLAG_NETDEV_REGISTERED, &rdev->flags);
 
-	rc = bnxt_re_setup_chip_ctx(rdev, wqe_mode);
+	rc = bnxt_re_setup_chip_ctx(rdev);
 	if (rc) {
 		bnxt_unregister_dev(rdev->en_dev);
 		clear_bit(BNXT_RE_FLAG_NETDEV_REGISTERED, &rdev->flags);
@@ -1790,7 +1790,7 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode)
 	return rc;
 }
 
-static int bnxt_re_add_device(struct auxiliary_device *adev, u8 wqe_mode)
+static int bnxt_re_add_device(struct auxiliary_device *adev)
 {
 	struct bnxt_aux_priv *aux_priv =
 		container_of(adev, struct bnxt_aux_priv, aux_dev);
@@ -1807,7 +1807,7 @@ static int bnxt_re_add_device(struct auxiliary_device *adev, u8 wqe_mode)
 		goto exit;
 	}
 
-	rc = bnxt_re_dev_init(rdev, wqe_mode);
+	rc = bnxt_re_dev_init(rdev);
 	if (rc)
 		goto re_dev_dealloc;
 
@@ -1937,7 +1937,8 @@ static int bnxt_re_probe(struct auxiliary_device *adev,
 	int rc;
 
 	mutex_lock(&bnxt_re_mutex);
-	rc = bnxt_re_add_device(adev, BNXT_QPLIB_WQE_MODE_STATIC);
+
+	rc = bnxt_re_add_device(adev);
 	if (rc) {
 		mutex_unlock(&bnxt_re_mutex);
 		return rc;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index 49e4a4a50bfae..0af09e77e94b7 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -809,13 +809,13 @@ static int bnxt_qplib_alloc_init_swq(struct bnxt_qplib_q *que)
 {
 	int indx;
 
-	que->swq = kcalloc(que->max_wqe, sizeof(*que->swq), GFP_KERNEL);
+	que->swq = kcalloc(que->max_sw_wqe, sizeof(*que->swq), GFP_KERNEL);
 	if (!que->swq)
 		return -ENOMEM;
 
 	que->swq_start = 0;
-	que->swq_last = que->max_wqe - 1;
-	for (indx = 0; indx < que->max_wqe; indx++)
+	que->swq_last = que->max_sw_wqe - 1;
+	for (indx = 0; indx < que->max_sw_wqe; indx++)
 		que->swq[indx].next_idx = indx + 1;
 	que->swq[que->swq_last].next_idx = 0; /* Make it circular */
 	que->swq_last = 0;
@@ -851,7 +851,7 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 	hwq_attr.res = res;
 	hwq_attr.sginfo = &sq->sg_info;
 	hwq_attr.stride = sizeof(struct sq_sge);
-	hwq_attr.depth = bnxt_qplib_get_depth(sq);
+	hwq_attr.depth = bnxt_qplib_get_depth(sq, qp->wqe_mode, false);
 	hwq_attr.type = HWQ_TYPE_QUEUE;
 	rc = bnxt_qplib_alloc_init_hwq(&sq->hwq, &hwq_attr);
 	if (rc)
@@ -879,7 +879,7 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 		hwq_attr.res = res;
 		hwq_attr.sginfo = &rq->sg_info;
 		hwq_attr.stride = sizeof(struct sq_sge);
-		hwq_attr.depth = bnxt_qplib_get_depth(rq);
+		hwq_attr.depth = bnxt_qplib_get_depth(rq, qp->wqe_mode, false);
 		hwq_attr.type = HWQ_TYPE_QUEUE;
 		rc = bnxt_qplib_alloc_init_hwq(&rq->hwq, &hwq_attr);
 		if (rc)
@@ -1011,7 +1011,7 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 	hwq_attr.res = res;
 	hwq_attr.sginfo = &sq->sg_info;
 	hwq_attr.stride = sizeof(struct sq_sge);
-	hwq_attr.depth = bnxt_qplib_get_depth(sq);
+	hwq_attr.depth = bnxt_qplib_get_depth(sq, qp->wqe_mode, true);
 	hwq_attr.aux_stride = psn_sz;
 	hwq_attr.aux_depth = psn_sz ? bnxt_qplib_set_sq_size(sq, qp->wqe_mode)
 				    : 0;
@@ -1052,7 +1052,7 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
 		hwq_attr.res = res;
 		hwq_attr.sginfo = &rq->sg_info;
 		hwq_attr.stride = sizeof(struct sq_sge);
-		hwq_attr.depth = bnxt_qplib_get_depth(rq);
+		hwq_attr.depth = bnxt_qplib_get_depth(rq, qp->wqe_mode, false);
 		hwq_attr.aux_stride = 0;
 		hwq_attr.aux_depth = 0;
 		hwq_attr.type = HWQ_TYPE_QUEUE;
@@ -2492,7 +2492,7 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq,
 	}
 	sq = &qp->sq;
 
-	cqe_sq_cons = le16_to_cpu(hwcqe->sq_cons_idx) % sq->max_wqe;
+	cqe_sq_cons = le16_to_cpu(hwcqe->sq_cons_idx) % sq->max_sw_wqe;
 	if (qp->sq.flushed) {
 		dev_dbg(&cq->hwq.pdev->dev,
 			"%s: QP in Flush QP = %p\n", __func__, qp);
@@ -2882,7 +2882,7 @@ static int bnxt_qplib_cq_process_terminal(struct bnxt_qplib_cq *cq,
 	cqe_cons = le16_to_cpu(hwcqe->sq_cons_idx);
 	if (cqe_cons == 0xFFFF)
 		goto do_rq;
-	cqe_cons %= sq->max_wqe;
+	cqe_cons %= sq->max_sw_wqe;
 
 	if (qp->sq.flushed) {
 		dev_dbg(&cq->hwq.pdev->dev,
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
index 56538b90d6c56..f54d7a0c7dad3 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
@@ -251,6 +251,7 @@ struct bnxt_qplib_q {
 	struct bnxt_qplib_db_info	dbinfo;
 	struct bnxt_qplib_sg_info	sg_info;
 	u32				max_wqe;
+	u32				max_sw_wqe;
 	u16				wqe_size;
 	u16				q_full_delta;
 	u16				max_sge;
@@ -586,15 +587,22 @@ static inline void bnxt_qplib_swq_mod_start(struct bnxt_qplib_q *que, u32 idx)
 	que->swq_start = que->swq[idx].next_idx;
 }
 
-static inline u32 bnxt_qplib_get_depth(struct bnxt_qplib_q *que)
+static inline u32 bnxt_qplib_get_depth(struct bnxt_qplib_q *que, u8 wqe_mode, bool is_sq)
 {
-	return (que->wqe_size * que->max_wqe) / sizeof(struct sq_sge);
+	u32 slots;
+
+	/* Queue depth is the number of slots. */
+	slots = (que->wqe_size * que->max_wqe) / sizeof(struct sq_sge);
+	/* For variable WQE mode, need to align the slots to 256 */
+	if (wqe_mode == BNXT_QPLIB_WQE_MODE_VARIABLE && is_sq)
+		slots = ALIGN(slots, BNXT_VAR_MAX_SLOT_ALIGN);
+	return slots;
 }
 
 static inline u32 bnxt_qplib_set_sq_size(struct bnxt_qplib_q *que, u8 wqe_mode)
 {
 	return (wqe_mode == BNXT_QPLIB_WQE_MODE_STATIC) ?
-		que->max_wqe : bnxt_qplib_get_depth(que);
+		que->max_wqe : bnxt_qplib_get_depth(que, wqe_mode, true);
 }
 
 static inline u32 bnxt_qplib_set_sq_max_slot(u8 wqe_mode)
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index 9328db92fa6db..ca2aa35e6eec8 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -95,11 +95,13 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 	struct bnxt_qplib_cmdqmsg msg = {};
 	struct creq_query_func_resp_sb *sb;
 	struct bnxt_qplib_rcfw_sbuf sbuf;
+	struct bnxt_qplib_chip_ctx *cctx;
 	struct cmdq_query_func req = {};
 	u8 *tqm_alloc;
 	int i, rc;
 	u32 temp;
 
+	cctx = rcfw->res->cctx;
 	bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
 				 CMDQ_BASE_OPCODE_QUERY_FUNC,
 				 sizeof(req));
@@ -133,8 +135,9 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
 	 * reporting the max number
 	 */
 	attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1;
-	attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5_p7(rcfw->res->cctx) ?
-			    6 : sb->max_sge;
+
+	attr->max_qp_sges = cctx->modes.wqe_mode == BNXT_QPLIB_WQE_MODE_VARIABLE ?
+			    min_t(u32, sb->max_sge_var_wqe, BNXT_VAR_MAX_SGE) : 6;
 	attr->max_cq = le32_to_cpu(sb->max_cq);
 	attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);
 	attr->max_cq_sges = attr->max_qp_sges;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
index 16a67d70a6fc4..a633e2a9aa94c 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
@@ -40,6 +40,7 @@
 #ifndef __BNXT_QPLIB_SP_H__
 #define __BNXT_QPLIB_SP_H__
 
+#include <rdma/bnxt_re-abi.h>
 #define BNXT_QPLIB_RESERVED_QP_WRS	128
 
 struct bnxt_qplib_dev_attr {
@@ -351,4 +352,9 @@ int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,
 int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
 			 struct bnxt_qplib_cc_param *cc_param);
 
+#define BNXT_VAR_MAX_WQE       4352
+#define BNXT_VAR_MAX_SLOT_ALIGN 256
+#define BNXT_VAR_MAX_SGE        13
+#define BNXT_RE_MAX_RQ_WQES     65536
+
 #endif /* __BNXT_QPLIB_SP_H__*/