Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

131 files changed, 949 insertions, 391 deletions

diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index faa88d12ee..cc466dfd79 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1809,7 +1809,7 @@ int bnxt_re_modify_srq(struct ib_srq *ib_srq, struct ib_srq_attr *srq_attr,
 	switch (srq_attr_mask) {
 	case IB_SRQ_MAX_WR:
 		/* SRQ resize is not supported */
-		break;
+		return -EINVAL;
 	case IB_SRQ_LIMIT:
 		/* Change the SRQ threshold */
 		if (srq_attr->srq_limit > srq->qplib_srq.max_wqe)
@@ -1824,13 +1824,12 @@ int bnxt_re_modify_srq(struct ib_srq *ib_srq, struct ib_srq_attr *srq_attr,
 		/* On success, update the shadow */
 		srq->srq_limit = srq_attr->srq_limit;
 		/* No need to Build and send response back to udata */
-		break;
+		return 0;
 	default:
 		ibdev_err(&rdev->ibdev,
 			  "Unsupported srq_attr_mask 0x%x", srq_attr_mask);
 		return -EINVAL;
 	}
-	return 0;
 }
 
 int bnxt_re_query_srq(struct ib_srq *ib_srq, struct ib_srq_attr *srq_attr)
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index 039801d93e..a99c68247a 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -970,6 +970,9 @@ static int bnxt_re_handle_unaffi_async_event(struct creq_func_event
 static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event,
 					 struct bnxt_re_qp *qp)
 {
+	struct bnxt_re_srq *srq = container_of(qp->qplib_qp.srq, struct bnxt_re_srq,
+					       qplib_srq);
+	struct creq_qp_error_notification *err_event;
 	struct ib_event event = {};
 	unsigned int flags;
 
@@ -980,14 +983,147 @@ static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event,
 		bnxt_re_unlock_cqs(qp, flags);
 	}
 
-	if (qp->qplib_qp.srq) {
-		event.device = &qp->rdev->ibdev;
-		event.element.qp = &qp->ib_qp;
-		event.event = IB_EVENT_QP_LAST_WQE_REACHED;
+	event.device = &qp->rdev->ibdev;
+	event.element.qp = &qp->ib_qp;
+	event.event = IB_EVENT_QP_FATAL;
+
+	err_event = (struct creq_qp_error_notification *)qp_event;
+
+	switch (err_event->req_err_state_reason) {
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_OPCODE_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_TIMEOUT_RETRY_LIMIT:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RNR_TIMEOUT_RETRY_LIMIT:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_2:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_3:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_INVALID_READ_RESP:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ILLEGAL_BIND:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ILLEGAL_FAST_REG:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ILLEGAL_INVALIDATE:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RETRAN_LOCAL_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_AV_DOMAIN_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_PROD_WQE_MSMTCH_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_PSN_RANGE_CHECK_ERROR:
+		event.event = IB_EVENT_QP_ACCESS_ERR;
+		break;
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_1:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_4:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_READ_RESP_LENGTH:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_WQE_FORMAT_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ORRQ_FORMAT_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_INVALID_AVID_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_SERV_TYPE_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_INVALID_OP_ERROR:
+		event.event = IB_EVENT_QP_REQ_ERR;
+		break;
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RX_MEMORY_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_TX_MEMORY_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_CMP_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_CQ_LOAD_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_TX_PCI_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RX_PCI_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RETX_SETUP_ERROR:
+		event.event = IB_EVENT_QP_FATAL;
+		break;
+
+	default:
+		break;
 	}
 
-	if (event.device && qp->ib_qp.event_handler)
+	switch (err_event->res_err_state_reason) {
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_EXCEED_MAX:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_PAYLOAD_LENGTH_MISMATCH:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_PSN_SEQ_ERROR_RETRY_LIMIT:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_INVALID_R_KEY:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_DOMAIN_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_NO_PERMISSION:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_RANGE_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_INVALID_R_KEY:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_DOMAIN_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_NO_PERMISSION:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_RANGE_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_UNALIGN_ATOMIC:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_PSN_NOT_FOUND:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_INVALID_DUP_RKEY:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_IRRQ_FORMAT_ERROR:
+		event.event = IB_EVENT_QP_ACCESS_ERR;
+		break;
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_EXCEEDS_WQE:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_WQE_FORMAT_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_UNSUPPORTED_OPCODE:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_REM_INVALIDATE:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_OPCODE_ERROR:
+		event.event = IB_EVENT_QP_REQ_ERR;
+		break;
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_IRRQ_OFLOW:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_CMP_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_CQ_LOAD_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_PCI_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_PCI_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_MEMORY_ERROR:
+		event.event = IB_EVENT_QP_FATAL;
+		break;
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_SRQ_LOAD_ERROR:
+	case CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_SRQ_ERROR:
+		if (srq)
+			event.event = IB_EVENT_SRQ_ERR;
+		break;
+	default:
+		break;
+	}
+
+	if (err_event->res_err_state_reason || err_event->req_err_state_reason) {
+		ibdev_dbg(&qp->rdev->ibdev,
+			  "%s %s qp_id: %d cons (%d %d) req (%d %d) res (%d %d)\n",
+			   __func__, rdma_is_kernel_res(&qp->ib_qp.res) ? "kernel" : "user",
+			   qp->qplib_qp.id,
+			   err_event->sq_cons_idx,
+			   err_event->rq_cons_idx,
+			   err_event->req_slow_path_state,
+			   err_event->req_err_state_reason,
+			   err_event->res_slow_path_state,
+			   err_event->res_err_state_reason);
+	} else {
+		if (srq)
+			event.event = IB_EVENT_QP_LAST_WQE_REACHED;
+	}
+
+	if (event.event == IB_EVENT_SRQ_ERR && srq->ib_srq.event_handler)  {
+		(*srq->ib_srq.event_handler)(&event,
+				srq->ib_srq.srq_context);
+	} else if (event.device && qp->ib_qp.event_handler) {
 		qp->ib_qp.event_handler(&event, qp->ib_qp.qp_context);
+	}
+
+	return 0;
+}
+
+static int bnxt_re_handle_cq_async_error(void *event, struct bnxt_re_cq *cq)
+{
+	struct creq_cq_error_notification *cqerr;
+	struct ib_event ibevent = {};
+
+	cqerr = event;
+	switch (cqerr->cq_err_reason) {
+	case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_REQ_CQ_INVALID_ERROR:
+	case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_REQ_CQ_OVERFLOW_ERROR:
+	case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_REQ_CQ_LOAD_ERROR:
+	case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_RES_CQ_INVALID_ERROR:
+	case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_RES_CQ_OVERFLOW_ERROR:
+	case CREQ_CQ_ERROR_NOTIFICATION_CQ_ERR_REASON_RES_CQ_LOAD_ERROR:
+		ibevent.event = IB_EVENT_CQ_ERR;
+		break;
+	default:
+		break;
+	}
+
+	if (ibevent.event == IB_EVENT_CQ_ERR && cq->ib_cq.event_handler) {
+		ibevent.element.cq = &cq->ib_cq;
+		ibevent.device = &cq->rdev->ibdev;
+
+		ibdev_dbg(&cq->rdev->ibdev,
+			  "%s err reason %d\n", __func__, cqerr->cq_err_reason);
+		cq->ib_cq.event_handler(&ibevent, cq->ib_cq.cq_context);
+	}
 
 	return 0;
 }
@@ -995,6 +1131,10 @@ static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event,
 static int bnxt_re_handle_affi_async_event(struct creq_qp_event *affi_async,
 					   void *obj)
 {
+	struct bnxt_qplib_qp *lib_qp;
+	struct bnxt_qplib_cq *lib_cq;
+	struct bnxt_re_qp *qp;
+	struct bnxt_re_cq *cq;
 	int rc = 0;
 	u8 event;
 
@@ -1002,11 +1142,19 @@ static int bnxt_re_handle_affi_async_event(struct creq_qp_event *affi_async,
 		return rc; /* QP was already dead, still return success */
 
 	event = affi_async->event;
-	if (event == CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION) {
-		struct bnxt_qplib_qp *lib_qp = obj;
-		struct bnxt_re_qp *qp = container_of(lib_qp, struct bnxt_re_qp,
-						     qplib_qp);
+	switch (event) {
+	case CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION:
+		lib_qp = obj;
+		qp = container_of(lib_qp, struct bnxt_re_qp, qplib_qp);
 		rc = bnxt_re_handle_qp_async_event(affi_async, qp);
+		break;
+	case CREQ_QP_EVENT_EVENT_CQ_ERROR_NOTIFICATION:
+		lib_cq = obj;
+		cq = container_of(lib_cq, struct bnxt_re_cq, qplib_cq);
+		rc = bnxt_re_handle_cq_async_error(affi_async, cq);
+		break;
+	default:
+		rc = -EINVAL;
 	}
 	return rc;
 }
@@ -1040,13 +1188,10 @@ static int bnxt_re_srqn_handler(struct bnxt_qplib_nq *nq,
 
 	ib_event.device = &srq->rdev->ibdev;
 	ib_event.element.srq = &srq->ib_srq;
-	if (event == NQ_SRQ_EVENT_EVENT_SRQ_THRESHOLD_EVENT)
-		ib_event.event = IB_EVENT_SRQ_LIMIT_REACHED;
-	else
-		ib_event.event = IB_EVENT_SRQ_ERR;
 
 	if (srq->ib_srq.event_handler) {
-		/* Lock event_handler? */
+		if (event == NQ_SRQ_EVENT_EVENT_SRQ_THRESHOLD_EVENT)
+			ib_event.event = IB_EVENT_SRQ_LIMIT_REACHED;
 		(*srq->ib_srq.event_handler)(&ib_event,
 					     srq->ib_srq.srq_context);
 	}
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index abbabea7f5..2a62239187 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -748,7 +748,8 @@ int bnxt_qplib_query_srq(struct bnxt_qplib_res *res,
 	bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, &sbuf, sizeof(req),
 				sizeof(resp), 0);
 	rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
-	srq->threshold = le16_to_cpu(sb->srq_limit);
+	if (!rc)
+		srq->threshold = le16_to_cpu(sb->srq_limit);
 	dma_free_coherent(&rcfw->pdev->dev, sbuf.size,
 			  sbuf.sb, sbuf.dma_addr);
 
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_tlv.h b/drivers/infiniband/hw/bnxt_re/qplib_tlv.h
index 402c220734..ae96a75d7f 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_tlv.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_tlv.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 
 #ifndef __QPLIB_TLV_H__
 #define __QPLIB_TLV_H__
diff --git a/drivers/infiniband/hw/bnxt_re/roce_hsi.h b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
index 4a10303e03..84b5acd7f7 100644
--- a/drivers/infiniband/hw/bnxt_re/roce_hsi.h
+++ b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
@@ -2919,6 +2919,35 @@ struct creq_qp_error_notification {
 	u8	status;
 	u8	req_slow_path_state;
 	u8	req_err_state_reason;
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_NO_ERROR                    0X0UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_OPCODE_ERROR            0X1UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_TIMEOUT_RETRY_LIMIT     0X2UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RNR_TIMEOUT_RETRY_LIMIT 0X3UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_1           0X4UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_2           0X5UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_3           0X6UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_NAK_ARRIVAL_4           0X7UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RX_MEMORY_ERROR         0X8UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_TX_MEMORY_ERROR         0X9UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_READ_RESP_LENGTH        0XAUL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_INVALID_READ_RESP       0XBUL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ILLEGAL_BIND            0XCUL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ILLEGAL_FAST_REG        0XDUL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ILLEGAL_INVALIDATE      0XEUL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_CMP_ERROR               0XFUL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RETRAN_LOCAL_ERROR      0X10UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_WQE_FORMAT_ERROR        0X11UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_ORRQ_FORMAT_ERROR       0X12UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_INVALID_AVID_ERROR      0X13UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_AV_DOMAIN_ERROR         0X14UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_CQ_LOAD_ERROR           0X15UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_SERV_TYPE_ERROR         0X16UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_INVALID_OP_ERROR        0X17UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_TX_PCI_ERROR            0X18UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RX_PCI_ERROR            0X19UL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_PROD_WQE_MSMTCH_ERROR   0X1AUL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_PSN_RANGE_CHECK_ERROR   0X1BUL
+	#define CREQ_QP_ERROR_NOTIFICATION_REQ_ERR_STATE_REASON_REQ_RETX_SETUP_ERROR        0X1CUL
 	__le32	xid;
 	u8	v;
 	#define CREQ_QP_ERROR_NOTIFICATION_V     0x1UL
@@ -2928,6 +2957,35 @@ struct creq_qp_error_notification {
 		CREQ_QP_ERROR_NOTIFICATION_EVENT_QP_ERROR_NOTIFICATION
 	u8	res_slow_path_state;
 	u8	res_err_state_reason;
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_NO_ERROR                      0x0UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_EXCEED_MAX                0x1UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_PAYLOAD_LENGTH_MISMATCH   0x2UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_EXCEEDS_WQE               0x3UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_OPCODE_ERROR              0x4UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_PSN_SEQ_ERROR_RETRY_LIMIT 0x5UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_INVALID_R_KEY          0x6UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_DOMAIN_ERROR           0x7UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_NO_PERMISSION          0x8UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_RANGE_ERROR            0x9UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_INVALID_R_KEY          0xaUL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_DOMAIN_ERROR           0xbUL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_NO_PERMISSION          0xcUL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_RANGE_ERROR            0xdUL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_IRRQ_OFLOW                0xeUL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_UNSUPPORTED_OPCODE        0xfUL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_UNALIGN_ATOMIC            0x10UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_REM_INVALIDATE            0x11UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_MEMORY_ERROR              0x12UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_SRQ_ERROR                 0x13UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_CMP_ERROR                 0x14UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_INVALID_DUP_RKEY          0x15UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_WQE_FORMAT_ERROR          0x16UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_IRRQ_FORMAT_ERROR         0x17UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_CQ_LOAD_ERROR             0x18UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_SRQ_LOAD_ERROR            0x19UL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_TX_PCI_ERROR              0x1bUL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_RX_PCI_ERROR              0x1cUL
+	#define CREQ_QP_ERROR_NOTIFICATION_RES_ERR_STATE_REASON_RES_PSN_NOT_FOUND             0x1dUL
 	__le16	sq_cons_idx;
 	__le16	rq_cons_idx;
 };
diff --git a/drivers/infiniband/hw/hfi1/affinity.c b/drivers/infiniband/hw/hfi1/affinity.c
index bbc957c578..7ead8746b7 100644
--- a/drivers/infiniband/hw/hfi1/affinity.c
+++ b/drivers/infiniband/hw/hfi1/affinity.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2020 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/affinity.h b/drivers/infiniband/hw/hfi1/affinity.h
index 00854f2178..ffdd0d571c 100644
--- a/drivers/infiniband/hw/hfi1/affinity.h
+++ b/drivers/infiniband/hw/hfi1/affinity.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2020 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/aspm.h b/drivers/infiniband/hw/hfi1/aspm.h
index df295f47b3..c8d92dc13d 100644
--- a/drivers/infiniband/hw/hfi1/aspm.h
+++ b/drivers/infiniband/hw/hfi1/aspm.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015-2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index 0814291a04..78f27f7b42 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2020 Intel Corporation.
  * Copyright(c) 2021 Cornelis Networks.
@@ -5334,7 +5334,7 @@ static const char * const cce_misc_names[] = {
 static char *is_misc_err_name(char *buf, size_t bsize, unsigned int source)
 {
 	if (source < ARRAY_SIZE(cce_misc_names))
-		strncpy(buf, cce_misc_names[source], bsize);
+		strscpy_pad(buf, cce_misc_names[source], bsize);
 	else
 		snprintf(buf, bsize, "Reserved%u",
 			 source + IS_GENERAL_ERR_START);
@@ -5374,7 +5374,7 @@ static const char * const various_names[] = {
 static char *is_various_name(char *buf, size_t bsize, unsigned int source)
 {
 	if (source < ARRAY_SIZE(various_names))
-		strncpy(buf, various_names[source], bsize);
+		strscpy_pad(buf, various_names[source], bsize);
 	else
 		snprintf(buf, bsize, "Reserved%u", source + IS_VARIOUS_START);
 	return buf;
@@ -13185,15 +13185,16 @@ static void read_mod_write(struct hfi1_devdata *dd, u16 src, u64 bits,
 {
 	u64 reg;
 	u16 idx = src / BITS_PER_REGISTER;
+	unsigned long flags;
 
-	spin_lock(&dd->irq_src_lock);
+	spin_lock_irqsave(&dd->irq_src_lock, flags);
 	reg = read_csr(dd, CCE_INT_MASK + (8 * idx));
 	if (set)
 		reg |= bits;
 	else
 		reg &= ~bits;
 	write_csr(dd, CCE_INT_MASK + (8 * idx), reg);
-	spin_unlock(&dd->irq_src_lock);
+	spin_unlock_irqrestore(&dd->irq_src_lock, flags);
 }
 
 /**
diff --git a/drivers/infiniband/hw/hfi1/chip.h b/drivers/infiniband/hw/hfi1/chip.h
index b2d53713da..d861aa8fc6 100644
--- a/drivers/infiniband/hw/hfi1/chip.h
+++ b/drivers/infiniband/hw/hfi1/chip.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2020 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/chip_registers.h b/drivers/infiniband/hw/hfi1/chip_registers.h
index 95a8d530d5..d79e25d20f 100644
--- a/drivers/infiniband/hw/hfi1/chip_registers.h
+++ b/drivers/infiniband/hw/hfi1/chip_registers.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/common.h b/drivers/infiniband/hw/hfi1/common.h
index 166ad6b828..8abc902b96 100644
--- a/drivers/infiniband/hw/hfi1/common.h
+++ b/drivers/infiniband/hw/hfi1/common.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2020 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/debugfs.c b/drivers/infiniband/hw/hfi1/debugfs.c
index 80ba1e53c0..a1e01b4472 100644
--- a/drivers/infiniband/hw/hfi1/debugfs.c
+++ b/drivers/infiniband/hw/hfi1/debugfs.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015-2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/debugfs.h b/drivers/infiniband/hw/hfi1/debugfs.h
index 29a5a8de2c..54d952a401 100644
--- a/drivers/infiniband/hw/hfi1/debugfs.h
+++ b/drivers/infiniband/hw/hfi1/debugfs.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015, 2016, 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/device.c b/drivers/infiniband/hw/hfi1/device.c
index b0a00b7aae..4250d077b0 100644
--- a/drivers/infiniband/hw/hfi1/device.c
+++ b/drivers/infiniband/hw/hfi1/device.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/device.h b/drivers/infiniband/hw/hfi1/device.h
index c371b5612b..a91bea426b 100644
--- a/drivers/infiniband/hw/hfi1/device.h
+++ b/drivers/infiniband/hw/hfi1/device.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c
index f4492fa407..37a6794885 100644
--- a/drivers/infiniband/hw/hfi1/driver.c
+++ b/drivers/infiniband/hw/hfi1/driver.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015-2020 Intel Corporation.
  * Copyright(c) 2021 Cornelis Networks.
diff --git a/drivers/infiniband/hw/hfi1/efivar.c b/drivers/infiniband/hw/hfi1/efivar.c
index 2b5d264f41..9ed05e1002 100644
--- a/drivers/infiniband/hw/hfi1/efivar.c
+++ b/drivers/infiniband/hw/hfi1/efivar.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/efivar.h b/drivers/infiniband/hw/hfi1/efivar.h
index 5ebc2f07bb..882240929a 100644
--- a/drivers/infiniband/hw/hfi1/efivar.h
+++ b/drivers/infiniband/hw/hfi1/efivar.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/eprom.c b/drivers/infiniband/hw/hfi1/eprom.c
index fbe9581074..f93a160d8d 100644
--- a/drivers/infiniband/hw/hfi1/eprom.c
+++ b/drivers/infiniband/hw/hfi1/eprom.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/eprom.h b/drivers/infiniband/hw/hfi1/eprom.h
index 772c516366..51648d1afc 100644
--- a/drivers/infiniband/hw/hfi1/eprom.h
+++ b/drivers/infiniband/hw/hfi1/eprom.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/exp_rcv.c b/drivers/infiniband/hw/hfi1/exp_rcv.c
index b86f697c79..879a66edbd 100644
--- a/drivers/infiniband/hw/hfi1/exp_rcv.c
+++ b/drivers/infiniband/hw/hfi1/exp_rcv.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/exp_rcv.h b/drivers/infiniband/hw/hfi1/exp_rcv.h
index 41f7fe5d18..141413d9fb 100644
--- a/drivers/infiniband/hw/hfi1/exp_rcv.h
+++ b/drivers/infiniband/hw/hfi1/exp_rcv.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/fault.c b/drivers/infiniband/hw/hfi1/fault.c
index 3af77a0840..35d2382ee6 100644
--- a/drivers/infiniband/hw/hfi1/fault.c
+++ b/drivers/infiniband/hw/hfi1/fault.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/fault.h b/drivers/infiniband/hw/hfi1/fault.h
index 7fe7f47219..51adafe240 100644
--- a/drivers/infiniband/hw/hfi1/fault.h
+++ b/drivers/infiniband/hw/hfi1/fault.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index a5ab22cedd..503abec709 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2020 Cornelis Networks, Inc.
  * Copyright(c) 2015-2020 Intel Corporation.
@@ -267,7 +267,7 @@ static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from)
 
 	if (!HFI1_CAP_IS_KSET(SDMA))
 		return -EINVAL;
-	if (!from->user_backed)
+	if (!user_backed_iter(from))
 		return -EINVAL;
 	idx = srcu_read_lock(&fd->pq_srcu);
 	pq = srcu_dereference(fd->pq, &fd->pq_srcu);
diff --git a/drivers/infiniband/hw/hfi1/firmware.c b/drivers/infiniband/hw/hfi1/firmware.c
index 0c0cef5b1e..3c228aeaaf 100644
--- a/drivers/infiniband/hw/hfi1/firmware.c
+++ b/drivers/infiniband/hw/hfi1/firmware.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h
index 38772e52d7..4b3f1cb125 100644
--- a/drivers/infiniband/hw/hfi1/hfi.h
+++ b/drivers/infiniband/hw/hfi1/hfi.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2020-2023 Cornelis Networks, Inc.
  * Copyright(c) 2015-2020 Intel Corporation.
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
index 6de37c5d7d..cbac4a442d 100644
--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2020 Intel Corporation.
  * Copyright(c) 2021 Cornelis Networks.
@@ -1027,7 +1027,6 @@ static void shutdown_device(struct hfi1_devdata *dd)
 	msix_clean_up_interrupts(dd);
 
 	for (pidx = 0; pidx < dd->num_pports; ++pidx) {
-		ppd = dd->pport + pidx;
 		for (i = 0; i < dd->num_rcv_contexts; i++) {
 			rcd = hfi1_rcd_get_by_index(dd, i);
 			hfi1_rcvctrl(dd, HFI1_RCVCTRL_TAILUPD_DIS |
diff --git a/drivers/infiniband/hw/hfi1/intr.c b/drivers/infiniband/hw/hfi1/intr.c
index 70376e6dba..3737f632d6 100644
--- a/drivers/infiniband/hw/hfi1/intr.c
+++ b/drivers/infiniband/hw/hfi1/intr.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/iowait.h b/drivers/infiniband/hw/hfi1/iowait.h
index 4df0700cba..49805a24bb 100644
--- a/drivers/infiniband/hw/hfi1/iowait.h
+++ b/drivers/infiniband/hw/hfi1/iowait.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/ipoib_tx.c b/drivers/infiniband/hw/hfi1/ipoib_tx.c
index e7d8313302..8b9cc55db5 100644
--- a/drivers/infiniband/hw/hfi1/ipoib_tx.c
+++ b/drivers/infiniband/hw/hfi1/ipoib_tx.c
@@ -217,7 +217,7 @@ static int hfi1_ipoib_build_ulp_payload(struct ipoib_txreq *tx,
 		ret = sdma_txadd_page(dd,
 				      txreq,
 				      skb_frag_page(frag),
-				      frag->bv_offset,
+				      skb_frag_off(frag),
 				      skb_frag_size(frag),
 				      NULL, NULL, NULL);
 		if (unlikely(ret))
diff --git a/drivers/infiniband/hw/hfi1/mad.c b/drivers/infiniband/hw/hfi1/mad.c
index e5e783c458..a9883295f4 100644
--- a/drivers/infiniband/hw/hfi1/mad.c
+++ b/drivers/infiniband/hw/hfi1/mad.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015-2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/mad.h b/drivers/infiniband/hw/hfi1/mad.h
index 1d45a008fa..b6e3141253 100644
--- a/drivers/infiniband/hw/hfi1/mad.h
+++ b/drivers/infiniband/hw/hfi1/mad.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/mmu_rb.c b/drivers/infiniband/hw/hfi1/mmu_rb.c
index 7a51f7d73b..d4a6acad0e 100644
--- a/drivers/infiniband/hw/hfi1/mmu_rb.c
+++ b/drivers/infiniband/hw/hfi1/mmu_rb.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2020 Cornelis Networks, Inc.
  * Copyright(c) 2016 - 2017 Intel Corporation.
diff --git a/drivers/infiniband/hw/hfi1/mmu_rb.h b/drivers/infiniband/hw/hfi1/mmu_rb.h
index 751dc3fe1e..8e5d05454d 100644
--- a/drivers/infiniband/hw/hfi1/mmu_rb.h
+++ b/drivers/infiniband/hw/hfi1/mmu_rb.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2020 Cornelis Networks, Inc.
  * Copyright(c) 2016 Intel Corporation.
diff --git a/drivers/infiniband/hw/hfi1/opa_compat.h b/drivers/infiniband/hw/hfi1/opa_compat.h
index 31570b0cfd..49f2da677b 100644
--- a/drivers/infiniband/hw/hfi1/opa_compat.h
+++ b/drivers/infiniband/hw/hfi1/opa_compat.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c
index c132a9c073..119ec2f138 100644
--- a/drivers/infiniband/hw/hfi1/pcie.c
+++ b/drivers/infiniband/hw/hfi1/pcie.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2019 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c
index dfea53e0fd..5a91cbda4a 100644
--- a/drivers/infiniband/hw/hfi1/pio.c
+++ b/drivers/infiniband/hw/hfi1/pio.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015-2018 Intel Corporation.
  */
@@ -2086,7 +2086,7 @@ int init_credit_return(struct hfi1_devdata *dd)
 				   "Unable to allocate credit return DMA range for NUMA %d\n",
 				   i);
 			ret = -ENOMEM;
-			goto done;
+			goto free_cr_base;
 		}
 	}
 	set_dev_node(&dd->pcidev->dev, dd->node);
@@ -2094,6 +2094,10 @@ int init_credit_return(struct hfi1_devdata *dd)
 	ret = 0;
 done:
 	return ret;
+
+free_cr_base:
+	free_credit_return(dd);
+	goto done;
 }
 
 void free_credit_return(struct hfi1_devdata *dd)
diff --git a/drivers/infiniband/hw/hfi1/pio.h b/drivers/infiniband/hw/hfi1/pio.h
index ea714008f2..d07cc6ea7c 100644
--- a/drivers/infiniband/hw/hfi1/pio.h
+++ b/drivers/infiniband/hw/hfi1/pio.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015-2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/pio_copy.c b/drivers/infiniband/hw/hfi1/pio_copy.c
index 7690f996d5..80fee812a9 100644
--- a/drivers/infiniband/hw/hfi1/pio_copy.c
+++ b/drivers/infiniband/hw/hfi1/pio_copy.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/platform.c b/drivers/infiniband/hw/hfi1/platform.c
index 54cbd8f1a6..7bd0e9b6cb 100644
--- a/drivers/infiniband/hw/hfi1/platform.c
+++ b/drivers/infiniband/hw/hfi1/platform.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/platform.h b/drivers/infiniband/hw/hfi1/platform.h
index 1d51dca1bc..0631f9bf3a 100644
--- a/drivers/infiniband/hw/hfi1/platform.h
+++ b/drivers/infiniband/hw/hfi1/platform.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/qp.c b/drivers/infiniband/hw/hfi1/qp.c
index 6193d48b2c..f3d8c0c193 100644
--- a/drivers/infiniband/hw/hfi1/qp.c
+++ b/drivers/infiniband/hw/hfi1/qp.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2020 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/qp.h b/drivers/infiniband/hw/hfi1/qp.h
index cdf87bc6ad..870ff1a6e5 100644
--- a/drivers/infiniband/hw/hfi1/qp.h
+++ b/drivers/infiniband/hw/hfi1/qp.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/qsfp.c b/drivers/infiniband/hw/hfi1/qsfp.c
index 19d7887a4f..52cce1c8b7 100644
--- a/drivers/infiniband/hw/hfi1/qsfp.c
+++ b/drivers/infiniband/hw/hfi1/qsfp.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/qsfp.h b/drivers/infiniband/hw/hfi1/qsfp.h
index 8f14111eaa..df1389bad8 100644
--- a/drivers/infiniband/hw/hfi1/qsfp.h
+++ b/drivers/infiniband/hw/hfi1/qsfp.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015, 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index acd2b273ea..b36242c9d4 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/ruc.c b/drivers/infiniband/hw/hfi1/ruc.c
index b0151b7293..aafa4e03b1 100644
--- a/drivers/infiniband/hw/hfi1/ruc.c
+++ b/drivers/infiniband/hw/hfi1/ruc.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
index 26c6216275..b67d23b1f2 100644
--- a/drivers/infiniband/hw/hfi1/sdma.c
+++ b/drivers/infiniband/hw/hfi1/sdma.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2018 Intel Corporation.
  */
@@ -3158,7 +3158,7 @@ int _pad_sdma_tx_descs(struct hfi1_devdata *dd, struct sdma_txreq *tx)
 {
 	int rval = 0;
 
-	if ((unlikely(tx->num_desc + 1 == tx->desc_limit))) {
+	if ((unlikely(tx->num_desc == tx->desc_limit))) {
 		rval = _extend_sdma_tx_descs(dd, tx);
 		if (rval) {
 			__sdma_txclean(dd, tx);
diff --git a/drivers/infiniband/hw/hfi1/sdma.h b/drivers/infiniband/hw/hfi1/sdma.h
index 7fdebab202..d77246b484 100644
--- a/drivers/infiniband/hw/hfi1/sdma.h
+++ b/drivers/infiniband/hw/hfi1/sdma.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/sdma_txreq.h b/drivers/infiniband/hw/hfi1/sdma_txreq.h
index 85ae7293c2..5782166d98 100644
--- a/drivers/infiniband/hw/hfi1/sdma_txreq.h
+++ b/drivers/infiniband/hw/hfi1/sdma_txreq.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2016 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/sysfs.c b/drivers/infiniband/hw/hfi1/sysfs.c
index 3b3407dc7c..d62ba5fdd8 100644
--- a/drivers/infiniband/hw/hfi1/sysfs.c
+++ b/drivers/infiniband/hw/hfi1/sysfs.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015-2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/trace.c b/drivers/infiniband/hw/hfi1/trace.c
index 8302469582..10290ebf76 100644
--- a/drivers/infiniband/hw/hfi1/trace.c
+++ b/drivers/infiniband/hw/hfi1/trace.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2020 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/trace.h b/drivers/infiniband/hw/hfi1/trace.h
index 31e027c5a0..bb3cc006ba 100644
--- a/drivers/infiniband/hw/hfi1/trace.h
+++ b/drivers/infiniband/hw/hfi1/trace.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/trace_ctxts.h b/drivers/infiniband/hw/hfi1/trace_ctxts.h
index 1858eaf33b..76c41bd790 100644
--- a/drivers/infiniband/hw/hfi1/trace_ctxts.h
+++ b/drivers/infiniband/hw/hfi1/trace_ctxts.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
 * Copyright(c) 2015 - 2020 Intel Corporation.
 */
diff --git a/drivers/infiniband/hw/hfi1/trace_dbg.h b/drivers/infiniband/hw/hfi1/trace_dbg.h
index 489395bfb5..75599d5168 100644
--- a/drivers/infiniband/hw/hfi1/trace_dbg.h
+++ b/drivers/infiniband/hw/hfi1/trace_dbg.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
 * Copyright(c) 2015 - 2018 Intel Corporation.
 */
diff --git a/drivers/infiniband/hw/hfi1/trace_ibhdrs.h b/drivers/infiniband/hw/hfi1/trace_ibhdrs.h
index b33f8f575f..b21356abc9 100644
--- a/drivers/infiniband/hw/hfi1/trace_ibhdrs.h
+++ b/drivers/infiniband/hw/hfi1/trace_ibhdrs.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/trace_misc.h b/drivers/infiniband/hw/hfi1/trace_misc.h
index 742675fa75..8dc46b6891 100644
--- a/drivers/infiniband/hw/hfi1/trace_misc.h
+++ b/drivers/infiniband/hw/hfi1/trace_misc.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
 * Copyright(c) 2015, 2016 Intel Corporation.
 */
diff --git a/drivers/infiniband/hw/hfi1/trace_mmu.h b/drivers/infiniband/hw/hfi1/trace_mmu.h
index 82cc12aa3f..5a9dfd85e7 100644
--- a/drivers/infiniband/hw/hfi1/trace_mmu.h
+++ b/drivers/infiniband/hw/hfi1/trace_mmu.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/trace_rc.h b/drivers/infiniband/hw/hfi1/trace_rc.h
index 7c3a1c7753..fa254f9b9c 100644
--- a/drivers/infiniband/hw/hfi1/trace_rc.h
+++ b/drivers/infiniband/hw/hfi1/trace_rc.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
 * Copyright(c) 2015, 2016, 2017 Intel Corporation.
 */
diff --git a/drivers/infiniband/hw/hfi1/trace_rx.h b/drivers/infiniband/hw/hfi1/trace_rx.h
index 0da22f9bc7..e6904aa80c 100644
--- a/drivers/infiniband/hw/hfi1/trace_rx.h
+++ b/drivers/infiniband/hw/hfi1/trace_rx.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/trace_tx.h b/drivers/infiniband/hw/hfi1/trace_tx.h
index ed1b9e1e4b..c79856d4fd 100644
--- a/drivers/infiniband/hw/hfi1/trace_tx.h
+++ b/drivers/infiniband/hw/hfi1/trace_tx.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/uc.c b/drivers/infiniband/hw/hfi1/uc.c
index 4e9d6aa393..33d2c2a218 100644
--- a/drivers/infiniband/hw/hfi1/uc.c
+++ b/drivers/infiniband/hw/hfi1/uc.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/ud.c b/drivers/infiniband/hw/hfi1/ud.c
index b64b9d7e08..89d1bae8f8 100644
--- a/drivers/infiniband/hw/hfi1/ud.c
+++ b/drivers/infiniband/hw/hfi1/ud.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2019 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
index 96058baf36..6419872f95 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2020 Cornelis Networks, Inc.
  * Copyright(c) 2015-2018 Intel Corporation.
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.h b/drivers/infiniband/hw/hfi1/user_exp_rcv.h
index f8ee997d00..055726f7c1 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.h
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2020 - Cornelis Networks, Inc.
  * Copyright(c) 2015 - 2017 Intel Corporation.
@@ -36,7 +36,7 @@ struct tid_rb_node {
 	dma_addr_t dma_addr;
 	bool freed;
 	unsigned int npages;
-	struct page *pages[];
+	struct page *pages[] __counted_by(npages);
 };
 
 static inline int num_user_pages(unsigned long addr,
diff --git a/drivers/infiniband/hw/hfi1/user_pages.c b/drivers/infiniband/hw/hfi1/user_pages.c
index 36aaedc651..c77913a792 100644
--- a/drivers/infiniband/hw/hfi1/user_pages.c
+++ b/drivers/infiniband/hw/hfi1/user_pages.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015-2017 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c
index 29ae7beb9b..6a4aa59c0c 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.c
+++ b/drivers/infiniband/hw/hfi1/user_sdma.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2020 - 2023 Cornelis Networks, Inc.
  * Copyright(c) 2015 - 2018 Intel Corporation.
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.h b/drivers/infiniband/hw/hfi1/user_sdma.h
index 742ec1470c..8735524e3a 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.h
+++ b/drivers/infiniband/hw/hfi1/user_sdma.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2023 - Cornelis Networks, Inc.
  * Copyright(c) 2015 - 2018 Intel Corporation.
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c
index fbdcfecb17..33af2196ef 100644
--- a/drivers/infiniband/hw/hfi1/verbs.c
+++ b/drivers/infiniband/hw/hfi1/verbs.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2015 - 2020 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/verbs.h b/drivers/infiniband/hw/hfi1/verbs.h
index 7f30f32b34..070e4f0bab 100644
--- a/drivers/infiniband/hw/hfi1/verbs.h
+++ b/drivers/infiniband/hw/hfi1/verbs.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2015 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/verbs_txreq.c b/drivers/infiniband/hw/hfi1/verbs_txreq.c
index cfecc81a27..822f0d05ba 100644
--- a/drivers/infiniband/hw/hfi1/verbs_txreq.c
+++ b/drivers/infiniband/hw/hfi1/verbs_txreq.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2016 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/verbs_txreq.h b/drivers/infiniband/hw/hfi1/verbs_txreq.h
index 2a7e0ae892..56353c7676 100644
--- a/drivers/infiniband/hw/hfi1/verbs_txreq.h
+++ b/drivers/infiniband/hw/hfi1/verbs_txreq.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2016 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/vnic.h b/drivers/infiniband/hw/hfi1/vnic.h
index 34f03e7770..bbafeb5fc0 100644
--- a/drivers/infiniband/hw/hfi1/vnic.h
+++ b/drivers/infiniband/hw/hfi1/vnic.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright(c) 2017 - 2020 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/vnic_main.c b/drivers/infiniband/hw/hfi1/vnic_main.c
index 3650fababf..16a4c297a8 100644
--- a/drivers/infiniband/hw/hfi1/vnic_main.c
+++ b/drivers/infiniband/hw/hfi1/vnic_main.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2017 - 2020 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hfi1/vnic_sdma.c b/drivers/infiniband/hw/hfi1/vnic_sdma.c
index cc6324d2d1..6caf01ba0b 100644
--- a/drivers/infiniband/hw/hfi1/vnic_sdma.c
+++ b/drivers/infiniband/hw/hfi1/vnic_sdma.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
  * Copyright(c) 2017 - 2018 Intel Corporation.
  */
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 7f0d0288be..1627f3b0ef 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -146,6 +146,7 @@ enum {
 	HNS_ROCE_CAP_FLAG_SDI_MODE		= BIT(14),
 	HNS_ROCE_CAP_FLAG_STASH			= BIT(17),
 	HNS_ROCE_CAP_FLAG_CQE_INLINE		= BIT(19),
+	HNS_ROCE_CAP_FLAG_SRQ_RECORD_DB         = BIT(22),
 };
 
 #define HNS_ROCE_DB_TYPE_COUNT			2
@@ -453,6 +454,8 @@ struct hns_roce_srq {
 	spinlock_t		lock;
 	struct mutex		mutex;
 	void (*event)(struct hns_roce_srq *srq, enum hns_roce_event event);
+	struct hns_roce_db	rdb;
+	u32			cap_flags;
 };
 
 struct hns_roce_uar_table {
@@ -908,6 +911,7 @@ struct hns_roce_hw {
 	int (*query_cqc)(struct hns_roce_dev *hr_dev, u32 cqn, void *buffer);
 	int (*query_qpc)(struct hns_roce_dev *hr_dev, u32 qpn, void *buffer);
 	int (*query_mpt)(struct hns_roce_dev *hr_dev, u32 key, void *buffer);
+	int (*query_srqc)(struct hns_roce_dev *hr_dev, u32 srqn, void *buffer);
 	int (*query_hw_counter)(struct hns_roce_dev *hr_dev,
 				u64 *stats, u32 port, int *hw_counters);
 	const struct ib_device_ops *hns_roce_dev_ops;
@@ -1239,6 +1243,8 @@ int hns_roce_fill_res_qp_entry(struct sk_buff *msg, struct ib_qp *ib_qp);
 int hns_roce_fill_res_qp_entry_raw(struct sk_buff *msg, struct ib_qp *ib_qp);
 int hns_roce_fill_res_mr_entry(struct sk_buff *msg, struct ib_mr *ib_mr);
 int hns_roce_fill_res_mr_entry_raw(struct sk_buff *msg, struct ib_mr *ib_mr);
+int hns_roce_fill_res_srq_entry(struct sk_buff *msg, struct ib_srq *ib_srq);
+int hns_roce_fill_res_srq_entry_raw(struct sk_buff *msg, struct ib_srq *ib_srq);
 struct hns_user_mmap_entry *
 hns_roce_user_mmap_entry_insert(struct ib_ucontext *ucontext, u64 address,
 				size_t length,
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 3c62a0042d..aa9527ac2f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -941,20 +941,23 @@ static void fill_wqe_idx(struct hns_roce_srq *srq, unsigned int wqe_idx)
 	idx_que->head++;
 }
 
-static void update_srq_db(struct hns_roce_v2_db *db, struct hns_roce_srq *srq)
+static void update_srq_db(struct hns_roce_srq *srq)
 {
-	hr_reg_write(db, DB_TAG, srq->srqn);
-	hr_reg_write(db, DB_CMD, HNS_ROCE_V2_SRQ_DB);
-	hr_reg_write(db, DB_PI, srq->idx_que.head);
+	struct hns_roce_dev *hr_dev = to_hr_dev(srq->ibsrq.device);
+	struct hns_roce_v2_db db;
+
+	hr_reg_write(&db, DB_TAG, srq->srqn);
+	hr_reg_write(&db, DB_CMD, HNS_ROCE_V2_SRQ_DB);
+	hr_reg_write(&db, DB_PI, srq->idx_que.head);
+
+	hns_roce_write64(hr_dev, (__le32 *)&db, srq->db_reg);
 }
 
 static int hns_roce_v2_post_srq_recv(struct ib_srq *ibsrq,
 				     const struct ib_recv_wr *wr,
 				     const struct ib_recv_wr **bad_wr)
 {
-	struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device);
 	struct hns_roce_srq *srq = to_hr_srq(ibsrq);
-	struct hns_roce_v2_db srq_db;
 	unsigned long flags;
 	int ret = 0;
 	u32 max_sge;
@@ -985,9 +988,11 @@ static int hns_roce_v2_post_srq_recv(struct ib_srq *ibsrq,
 	}
 
 	if (likely(nreq)) {
-		update_srq_db(&srq_db, srq);
-
-		hns_roce_write64(hr_dev, (__le32 *)&srq_db, srq->db_reg);
+		if (srq->cap_flags & HNS_ROCE_SRQ_CAP_RECORD_DB)
+			*srq->rdb.db_record = srq->idx_que.head &
+					      V2_DB_PRODUCER_IDX_M;
+		else
+			update_srq_db(srq);
 	}
 
 	spin_unlock_irqrestore(&srq->lock, flags);
@@ -5287,6 +5292,30 @@ out:
 	return ret;
 }
 
+static int hns_roce_v2_query_srqc(struct hns_roce_dev *hr_dev, u32 srqn,
+				 void *buffer)
+{
+	struct hns_roce_srq_context *context;
+	struct hns_roce_cmd_mailbox *mailbox;
+	int ret;
+
+	mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+
+	context = mailbox->buf;
+	ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, HNS_ROCE_CMD_QUERY_SRQC,
+				srqn);
+	if (ret)
+		goto out;
+
+	memcpy(buffer, context, sizeof(*context));
+
+out:
+	hns_roce_free_cmd_mailbox(hr_dev, mailbox);
+	return ret;
+}
+
 static u8 get_qp_timeout_attr(struct hns_roce_dev *hr_dev,
 			      struct hns_roce_v2_qp_context *context)
 {
@@ -5621,6 +5650,14 @@ static int hns_roce_v2_write_srqc(struct hns_roce_srq *srq, void *mb_buf)
 	hr_reg_write(ctx, SRQC_WQE_BUF_PG_SZ,
 		     to_hr_hw_page_shift(srq->buf_mtr.hem_cfg.buf_pg_shift));
 
+	if (srq->cap_flags & HNS_ROCE_SRQ_CAP_RECORD_DB) {
+		hr_reg_enable(ctx, SRQC_DB_RECORD_EN);
+		hr_reg_write(ctx, SRQC_DB_RECORD_ADDR_L,
+			     lower_32_bits(srq->rdb.dma) >> 1);
+		hr_reg_write(ctx, SRQC_DB_RECORD_ADDR_H,
+			     upper_32_bits(srq->rdb.dma));
+	}
+
 	return hns_roce_v2_write_srqc_index_queue(srq, ctx);
 }
 
@@ -6647,6 +6684,7 @@ static const struct hns_roce_hw hns_roce_hw_v2 = {
 	.query_cqc = hns_roce_v2_query_cqc,
 	.query_qpc = hns_roce_v2_query_qpc,
 	.query_mpt = hns_roce_v2_query_mpt,
+	.query_srqc = hns_roce_v2_query_srqc,
 	.query_hw_counter = hns_roce_hw_v2_query_counter,
 	.hns_roce_dev_ops = &hns_roce_v2_dev_ops,
 	.hns_roce_dev_srq_ops = &hns_roce_v2_dev_srq_ops,
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 4a9cd4d21b..a4a10a4e1a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -675,6 +675,8 @@ static const struct ib_device_ops hns_roce_dev_restrack_ops = {
 	.fill_res_qp_entry_raw = hns_roce_fill_res_qp_entry_raw,
 	.fill_res_mr_entry = hns_roce_fill_res_mr_entry,
 	.fill_res_mr_entry_raw = hns_roce_fill_res_mr_entry_raw,
+	.fill_res_srq_entry = hns_roce_fill_res_srq_entry,
+	.fill_res_srq_entry_raw = hns_roce_fill_res_srq_entry_raw,
 };
 
 static int hns_roce_register_device(struct hns_roce_dev *hr_dev)
diff --git a/drivers/infiniband/hw/hns/hns_roce_restrack.c b/drivers/infiniband/hw/hns/hns_roce_restrack.c
index 081a01de30..f7f3c4cc74 100644
--- a/drivers/infiniband/hw/hns/hns_roce_restrack.c
+++ b/drivers/infiniband/hw/hns/hns_roce_restrack.c
@@ -160,3 +160,52 @@ int hns_roce_fill_res_mr_entry_raw(struct sk_buff *msg, struct ib_mr *ib_mr)
 
 	return ret;
 }
+
+int hns_roce_fill_res_srq_entry(struct sk_buff *msg, struct ib_srq *ib_srq)
+{
+	struct hns_roce_srq *hr_srq = to_hr_srq(ib_srq);
+	struct nlattr *table_attr;
+
+	table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
+	if (!table_attr)
+		return -EMSGSIZE;
+
+	if (rdma_nl_put_driver_u32_hex(msg, "srqn", hr_srq->srqn))
+		goto err;
+
+	if (rdma_nl_put_driver_u32_hex(msg, "wqe_cnt", hr_srq->wqe_cnt))
+		goto err;
+
+	if (rdma_nl_put_driver_u32_hex(msg, "max_gs", hr_srq->max_gs))
+		goto err;
+
+	if (rdma_nl_put_driver_u32_hex(msg, "xrcdn", hr_srq->xrcdn))
+		goto err;
+
+	nla_nest_end(msg, table_attr);
+
+	return 0;
+
+err:
+	nla_nest_cancel(msg, table_attr);
+	return -EMSGSIZE;
+}
+
+int hns_roce_fill_res_srq_entry_raw(struct sk_buff *msg, struct ib_srq *ib_srq)
+{
+	struct hns_roce_dev *hr_dev = to_hr_dev(ib_srq->device);
+	struct hns_roce_srq *hr_srq = to_hr_srq(ib_srq);
+	struct hns_roce_srq_context context;
+	int ret;
+
+	if (!hr_dev->hw->query_srqc)
+		return -EINVAL;
+
+	ret = hr_dev->hw->query_srqc(hr_dev, hr_srq->srqn, &context);
+	if (ret)
+		return ret;
+
+	ret = nla_put(msg, RDMA_NLDEV_ATTR_RES_RAW, sizeof(context), &context);
+
+	return ret;
+}
diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c
index 8dae98f827..4e2d1c8e16 100644
--- a/drivers/infiniband/hw/hns/hns_roce_srq.c
+++ b/drivers/infiniband/hw/hns/hns_roce_srq.c
@@ -5,6 +5,7 @@
 
 #include <linux/pci.h>
 #include <rdma/ib_umem.h>
+#include <rdma/uverbs_ioctl.h>
 #include "hns_roce_device.h"
 #include "hns_roce_cmd.h"
 #include "hns_roce_hem.h"
@@ -387,6 +388,79 @@ static void free_srq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq)
 	free_srq_idx(hr_dev, srq);
 }
 
+static int get_srq_ucmd(struct hns_roce_srq *srq, struct ib_udata *udata,
+			struct hns_roce_ib_create_srq *ucmd)
+{
+	struct ib_device *ibdev = srq->ibsrq.device;
+	int ret;
+
+	ret = ib_copy_from_udata(ucmd, udata, min(udata->inlen, sizeof(*ucmd)));
+	if (ret) {
+		ibdev_err(ibdev, "failed to copy SRQ udata, ret = %d.\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void free_srq_db(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq,
+			struct ib_udata *udata)
+{
+	struct hns_roce_ucontext *uctx;
+
+	if (!(srq->cap_flags & HNS_ROCE_SRQ_CAP_RECORD_DB))
+		return;
+
+	srq->cap_flags &= ~HNS_ROCE_SRQ_CAP_RECORD_DB;
+	if (udata) {
+		uctx = rdma_udata_to_drv_context(udata,
+						 struct hns_roce_ucontext,
+						 ibucontext);
+		hns_roce_db_unmap_user(uctx, &srq->rdb);
+	} else {
+		hns_roce_free_db(hr_dev, &srq->rdb);
+	}
+}
+
+static int alloc_srq_db(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq,
+			struct ib_udata *udata,
+			struct hns_roce_ib_create_srq_resp *resp)
+{
+	struct hns_roce_ib_create_srq ucmd = {};
+	struct hns_roce_ucontext *uctx;
+	int ret;
+
+	if (udata) {
+		ret = get_srq_ucmd(srq, udata, &ucmd);
+		if (ret)
+			return ret;
+
+		if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SRQ_RECORD_DB) &&
+		    (ucmd.req_cap_flags & HNS_ROCE_SRQ_CAP_RECORD_DB)) {
+			uctx = rdma_udata_to_drv_context(udata,
+					struct hns_roce_ucontext, ibucontext);
+			ret = hns_roce_db_map_user(uctx, ucmd.db_addr,
+						   &srq->rdb);
+			if (ret)
+				return ret;
+
+			srq->cap_flags |= HNS_ROCE_RSP_SRQ_CAP_RECORD_DB;
+		}
+	} else {
+		if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SRQ_RECORD_DB) {
+			ret = hns_roce_alloc_db(hr_dev, &srq->rdb, 1);
+			if (ret)
+				return ret;
+
+			*srq->rdb.db_record = 0;
+			srq->cap_flags |= HNS_ROCE_RSP_SRQ_CAP_RECORD_DB;
+		}
+		srq->db_reg = hr_dev->reg_base + SRQ_DB_REG;
+	}
+
+	return 0;
+}
+
 int hns_roce_create_srq(struct ib_srq *ib_srq,
 			struct ib_srq_init_attr *init_attr,
 			struct ib_udata *udata)
@@ -407,15 +481,20 @@ int hns_roce_create_srq(struct ib_srq *ib_srq,
 	if (ret)
 		return ret;
 
-	ret = alloc_srqn(hr_dev, srq);
+	ret = alloc_srq_db(hr_dev, srq, udata, &resp);
 	if (ret)
 		goto err_srq_buf;
 
+	ret = alloc_srqn(hr_dev, srq);
+	if (ret)
+		goto err_srq_db;
+
 	ret = alloc_srqc(hr_dev, srq);
 	if (ret)
 		goto err_srqn;
 
 	if (udata) {
+		resp.cap_flags = srq->cap_flags;
 		resp.srqn = srq->srqn;
 		if (ib_copy_to_udata(udata, &resp,
 				     min(udata->outlen, sizeof(resp)))) {
@@ -424,7 +503,6 @@ int hns_roce_create_srq(struct ib_srq *ib_srq,
 		}
 	}
 
-	srq->db_reg = hr_dev->reg_base + SRQ_DB_REG;
 	srq->event = hns_roce_ib_srq_event;
 	refcount_set(&srq->refcount, 1);
 	init_completion(&srq->free);
@@ -435,6 +513,8 @@ err_srqc:
 	free_srqc(hr_dev, srq);
 err_srqn:
 	free_srqn(hr_dev, srq);
+err_srq_db:
+	free_srq_db(hr_dev, srq, udata);
 err_srq_buf:
 	free_srq_buf(hr_dev, srq);
 
@@ -448,6 +528,7 @@ int hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
 
 	free_srqc(hr_dev, srq);
 	free_srqn(hr_dev, srq);
+	free_srq_db(hr_dev, srq, udata);
 	free_srq_buf(hr_dev, srq);
 	return 0;
 }
diff --git a/drivers/infiniband/hw/irdma/cm.c b/drivers/infiniband/hw/irdma/cm.c
index 42d1e97710..1ee7a4e0d8 100644
--- a/drivers/infiniband/hw/irdma/cm.c
+++ b/drivers/infiniband/hw/irdma/cm.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "main.h"
 #include "trace.h"
diff --git a/drivers/infiniband/hw/irdma/cm.h b/drivers/infiniband/hw/irdma/cm.h
index 7feadb3e1e..48ee285cf7 100644
--- a/drivers/infiniband/hw/irdma/cm.h
+++ b/drivers/infiniband/hw/irdma/cm.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #ifndef IRDMA_CM_H
 #define IRDMA_CM_H
diff --git a/drivers/infiniband/hw/irdma/ctrl.c b/drivers/infiniband/hw/irdma/ctrl.c
index 8a6200e55c..6aed6169c0 100644
--- a/drivers/infiniband/hw/irdma/ctrl.c
+++ b/drivers/infiniband/hw/irdma/ctrl.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include <linux/etherdevice.h>
 
diff --git a/drivers/infiniband/hw/irdma/defs.h b/drivers/infiniband/hw/irdma/defs.h
index d06e45d2c2..2cb4b96db7 100644
--- a/drivers/infiniband/hw/irdma/defs.h
+++ b/drivers/infiniband/hw/irdma/defs.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #ifndef IRDMA_DEFS_H
 #define IRDMA_DEFS_H
@@ -346,6 +346,7 @@ enum irdma_cqp_op_type {
 #define IRDMA_AE_LLP_TOO_MANY_KEEPALIVE_RETRIES				0x050b
 #define IRDMA_AE_LLP_DOUBT_REACHABILITY					0x050c
 #define IRDMA_AE_LLP_CONNECTION_ESTABLISHED				0x050e
+#define IRDMA_AE_LLP_TOO_MANY_RNRS					0x050f
 #define IRDMA_AE_RESOURCE_EXHAUSTION					0x0520
 #define IRDMA_AE_RESET_SENT						0x0601
 #define IRDMA_AE_TERMINATE_SENT						0x0602
diff --git a/drivers/infiniband/hw/irdma/hmc.c b/drivers/infiniband/hw/irdma/hmc.c
index 49307ce8c4..ac58088a8e 100644
--- a/drivers/infiniband/hw/irdma/hmc.c
+++ b/drivers/infiniband/hw/irdma/hmc.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "osdep.h"
 #include "hmc.h"
diff --git a/drivers/infiniband/hw/irdma/hmc.h b/drivers/infiniband/hw/irdma/hmc.h
index f5c5dacc70..415f9e23bb 100644
--- a/drivers/infiniband/hw/irdma/hmc.h
+++ b/drivers/infiniband/hw/irdma/hmc.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2020 Intel Corporation */
 #ifndef IRDMA_HMC_H
 #define IRDMA_HMC_H
diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c
index 564c9188e1..ad50b77282 100644
--- a/drivers/infiniband/hw/irdma/hw.c
+++ b/drivers/infiniband/hw/irdma/hw.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "main.h"
 
@@ -387,6 +387,7 @@ static void irdma_process_aeq(struct irdma_pci_f *rf)
 		case IRDMA_AE_LLP_TOO_MANY_RETRIES:
 		case IRDMA_AE_LCE_QP_CATASTROPHIC:
 		case IRDMA_AE_LCE_FUNCTION_CATASTROPHIC:
+		case IRDMA_AE_LLP_TOO_MANY_RNRS:
 		case IRDMA_AE_LCE_CQ_CATASTROPHIC:
 		case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG:
 		default:
@@ -570,6 +571,13 @@ static void irdma_destroy_irq(struct irdma_pci_f *rf,
 	dev->irq_ops->irdma_dis_irq(dev, msix_vec->idx);
 	irq_update_affinity_hint(msix_vec->irq, NULL);
 	free_irq(msix_vec->irq, dev_id);
+	if (rf == dev_id) {
+		tasklet_kill(&rf->dpc_tasklet);
+	} else {
+		struct irdma_ceq *iwceq = (struct irdma_ceq *)dev_id;
+
+		tasklet_kill(&iwceq->dpc_tasklet);
+	}
 }
 
 /**
diff --git a/drivers/infiniband/hw/irdma/i40iw_hw.c b/drivers/infiniband/hw/irdma/i40iw_hw.c
index 638d127fb3..ce61a27cb1 100644
--- a/drivers/infiniband/hw/irdma/i40iw_hw.c
+++ b/drivers/infiniband/hw/irdma/i40iw_hw.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "osdep.h"
 #include "type.h"
diff --git a/drivers/infiniband/hw/irdma/i40iw_hw.h b/drivers/infiniband/hw/irdma/i40iw_hw.h
index 10afc165f5..e1db84d8a6 100644
--- a/drivers/infiniband/hw/irdma/i40iw_hw.h
+++ b/drivers/infiniband/hw/irdma/i40iw_hw.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #ifndef I40IW_HW_H
 #define I40IW_HW_H
diff --git a/drivers/infiniband/hw/irdma/i40iw_if.c b/drivers/infiniband/hw/irdma/i40iw_if.c
index 4053ead324..cc50a70703 100644
--- a/drivers/infiniband/hw/irdma/i40iw_if.c
+++ b/drivers/infiniband/hw/irdma/i40iw_if.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "main.h"
 #include "i40iw_hw.h"
@@ -186,7 +186,7 @@ static int i40iw_probe(struct auxiliary_device *aux_dev, const struct auxiliary_
 							       aux_dev);
 	struct i40e_info *cdev_info = i40e_adev->ldev;
 
-	strncpy(i40iw_client.name, "irdma", I40E_CLIENT_STR_LENGTH);
+	strscpy_pad(i40iw_client.name, "irdma", I40E_CLIENT_STR_LENGTH);
 	i40e_client_device_register(cdev_info, &i40iw_client);
 
 	return 0;
diff --git a/drivers/infiniband/hw/irdma/icrdma_hw.c b/drivers/infiniband/hw/irdma/icrdma_hw.c
index 10ccf4bc3f..941d3edffa 100644
--- a/drivers/infiniband/hw/irdma/icrdma_hw.c
+++ b/drivers/infiniband/hw/irdma/icrdma_hw.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2017 - 2021 Intel Corporation */
 #include "osdep.h"
 #include "type.h"
diff --git a/drivers/infiniband/hw/irdma/icrdma_hw.h b/drivers/infiniband/hw/irdma/icrdma_hw.h
index 54035a08cc..697b9572b5 100644
--- a/drivers/infiniband/hw/irdma/icrdma_hw.h
+++ b/drivers/infiniband/hw/irdma/icrdma_hw.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2017 - 2021 Intel Corporation */
 #ifndef ICRDMA_HW_H
 #define ICRDMA_HW_H
diff --git a/drivers/infiniband/hw/irdma/irdma.h b/drivers/infiniband/hw/irdma/irdma.h
index 3237fa64bc..20d2e7393e 100644
--- a/drivers/infiniband/hw/irdma/irdma.h
+++ b/drivers/infiniband/hw/irdma/irdma.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2017 - 2021 Intel Corporation */
 #ifndef IRDMA_H
 #define IRDMA_H
diff --git a/drivers/infiniband/hw/irdma/main.c b/drivers/infiniband/hw/irdma/main.c
index be1030d1ad..3f13200ff7 100644
--- a/drivers/infiniband/hw/irdma/main.c
+++ b/drivers/infiniband/hw/irdma/main.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "main.h"
 #include "../../../net/ethernet/intel/ice/ice.h"
diff --git a/drivers/infiniband/hw/irdma/main.h b/drivers/infiniband/hw/irdma/main.h
index cbf0db72e1..b65bc2ea54 100644
--- a/drivers/infiniband/hw/irdma/main.h
+++ b/drivers/infiniband/hw/irdma/main.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #ifndef IRDMA_MAIN_H
 #define IRDMA_MAIN_H
diff --git a/drivers/infiniband/hw/irdma/osdep.h b/drivers/infiniband/hw/irdma/osdep.h
index fc1ba2a3e6..e1e3d3ae72 100644
--- a/drivers/infiniband/hw/irdma/osdep.h
+++ b/drivers/infiniband/hw/irdma/osdep.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #ifndef IRDMA_OSDEP_H
 #define IRDMA_OSDEP_H
diff --git a/drivers/infiniband/hw/irdma/pble.c b/drivers/infiniband/hw/irdma/pble.c
index c0bef11436..e7ce684075 100644
--- a/drivers/infiniband/hw/irdma/pble.c
+++ b/drivers/infiniband/hw/irdma/pble.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "osdep.h"
 #include "hmc.h"
diff --git a/drivers/infiniband/hw/irdma/pble.h b/drivers/infiniband/hw/irdma/pble.h
index b31b7c5d66..160ad728e9 100644
--- a/drivers/infiniband/hw/irdma/pble.h
+++ b/drivers/infiniband/hw/irdma/pble.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2019 Intel Corporation */
 #ifndef IRDMA_PBLE_H
 #define IRDMA_PBLE_H
diff --git a/drivers/infiniband/hw/irdma/protos.h b/drivers/infiniband/hw/irdma/protos.h
index 113096b603..d7c8ea948b 100644
--- a/drivers/infiniband/hw/irdma/protos.h
+++ b/drivers/infiniband/hw/irdma/protos.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2016 - 2021 Intel Corporation */
 #ifndef IRDMA_PROTOS_H
 #define IRDMA_PROTOS_H
diff --git a/drivers/infiniband/hw/irdma/puda.c b/drivers/infiniband/hw/irdma/puda.c
index 562531712e..7e3f9bca2c 100644
--- a/drivers/infiniband/hw/irdma/puda.c
+++ b/drivers/infiniband/hw/irdma/puda.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "osdep.h"
 #include "hmc.h"
diff --git a/drivers/infiniband/hw/irdma/puda.h b/drivers/infiniband/hw/irdma/puda.h
index 5f5124db6d..bc6d9514c9 100644
--- a/drivers/infiniband/hw/irdma/puda.h
+++ b/drivers/infiniband/hw/irdma/puda.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2020 Intel Corporation */
 #ifndef IRDMA_PUDA_H
 #define IRDMA_PUDA_H
diff --git a/drivers/infiniband/hw/irdma/trace.c b/drivers/infiniband/hw/irdma/trace.c
index b5133f4137..fc2f566977 100644
--- a/drivers/infiniband/hw/irdma/trace.c
+++ b/drivers/infiniband/hw/irdma/trace.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2019 Intel Corporation */
 #define CREATE_TRACE_POINTS
 #include "trace.h"
diff --git a/drivers/infiniband/hw/irdma/trace.h b/drivers/infiniband/hw/irdma/trace.h
index 702e4efb01..b8085a66b9 100644
--- a/drivers/infiniband/hw/irdma/trace.h
+++ b/drivers/infiniband/hw/irdma/trace.h
@@ -1,3 +1,3 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2019 Intel Corporation */
 #include "trace_cm.h"
diff --git a/drivers/infiniband/hw/irdma/trace_cm.h b/drivers/infiniband/hw/irdma/trace_cm.h
index f633fb3433..0d1699b552 100644
--- a/drivers/infiniband/hw/irdma/trace_cm.h
+++ b/drivers/infiniband/hw/irdma/trace_cm.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2019 - 2021 Intel Corporation */
 #if !defined(__TRACE_CM_H) || defined(TRACE_HEADER_MULTI_READ)
 #define __TRACE_CM_H
diff --git a/drivers/infiniband/hw/irdma/type.h b/drivers/infiniband/hw/irdma/type.h
index c84ec4dd85..59b34afa86 100644
--- a/drivers/infiniband/hw/irdma/type.h
+++ b/drivers/infiniband/hw/irdma/type.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #ifndef IRDMA_TYPE_H
 #define IRDMA_TYPE_H
diff --git a/drivers/infiniband/hw/irdma/uda.c b/drivers/infiniband/hw/irdma/uda.c
index 284cec2a74..84051266d9 100644
--- a/drivers/infiniband/hw/irdma/uda.c
+++ b/drivers/infiniband/hw/irdma/uda.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2016 - 2021 Intel Corporation */
 #include <linux/etherdevice.h>
 
diff --git a/drivers/infiniband/hw/irdma/uda.h b/drivers/infiniband/hw/irdma/uda.h
index fe4820ff0c..27b8701cf2 100644
--- a/drivers/infiniband/hw/irdma/uda.h
+++ b/drivers/infiniband/hw/irdma/uda.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2016 - 2021 Intel Corporation */
 #ifndef IRDMA_UDA_H
 #define IRDMA_UDA_H
diff --git a/drivers/infiniband/hw/irdma/uda_d.h b/drivers/infiniband/hw/irdma/uda_d.h
index bfc81cac2c..5a9e6eabf0 100644
--- a/drivers/infiniband/hw/irdma/uda_d.h
+++ b/drivers/infiniband/hw/irdma/uda_d.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2016 - 2021 Intel Corporation */
 #ifndef IRDMA_UDA_D_H
 #define IRDMA_UDA_D_H
diff --git a/drivers/infiniband/hw/irdma/uk.c b/drivers/infiniband/hw/irdma/uk.c
index d8285ca162..38c54e59cc 100644
--- a/drivers/infiniband/hw/irdma/uk.c
+++ b/drivers/infiniband/hw/irdma/uk.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "osdep.h"
 #include "defs.h"
diff --git a/drivers/infiniband/hw/irdma/user.h b/drivers/infiniband/hw/irdma/user.h
index 36feca57b2..380e4a47ae 100644
--- a/drivers/infiniband/hw/irdma/user.h
+++ b/drivers/infiniband/hw/irdma/user.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2020 Intel Corporation */
 #ifndef IRDMA_USER_H
 #define IRDMA_USER_H
diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c
index 6cd5cb85da..916bfe2a91 100644
--- a/drivers/infiniband/hw/irdma/utils.c
+++ b/drivers/infiniband/hw/irdma/utils.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "main.h"
 
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
index 2f1bedd3a5..0b046c0617 100644
--- a/drivers/infiniband/hw/irdma/verbs.c
+++ b/drivers/infiniband/hw/irdma/verbs.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #include "main.h"
 
@@ -839,7 +839,9 @@ static int irdma_validate_qp_attrs(struct ib_qp_init_attr *init_attr,
 
 	if (init_attr->cap.max_inline_data > uk_attrs->max_hw_inline ||
 	    init_attr->cap.max_send_sge > uk_attrs->max_hw_wq_frags ||
-	    init_attr->cap.max_recv_sge > uk_attrs->max_hw_wq_frags)
+	    init_attr->cap.max_recv_sge > uk_attrs->max_hw_wq_frags ||
+	    init_attr->cap.max_send_wr > uk_attrs->max_hw_wq_quanta ||
+	    init_attr->cap.max_recv_wr > uk_attrs->max_hw_rq_quanta)
 		return -EINVAL;
 
 	if (rdma_protocol_roce(&iwdev->ibdev, 1)) {
@@ -2184,9 +2186,8 @@ static int irdma_create_cq(struct ib_cq *ibcq,
 		info.cq_base_pa = iwcq->kmem.pa;
 	}
 
-	if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2)
-		info.shadow_read_threshold = min(info.cq_uk_init_info.cq_size / 2,
-						 (u32)IRDMA_MAX_CQ_READ_THRESH);
+	info.shadow_read_threshold = min(info.cq_uk_init_info.cq_size / 2,
+					 (u32)IRDMA_MAX_CQ_READ_THRESH);
 
 	if (irdma_sc_cq_init(cq, &info)) {
 		ibdev_dbg(&iwdev->ibdev, "VERBS: init cq fail\n");
@@ -2663,8 +2664,11 @@ static int irdma_hw_alloc_stag(struct irdma_device *iwdev,
 	cqp_info->in.u.alloc_stag.scratch = (uintptr_t)cqp_request;
 	status = irdma_handle_cqp_op(iwdev->rf, cqp_request);
 	irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request);
+	if (status)
+		return status;
 
-	return status;
+	iwmr->is_hwreg = 1;
+	return 0;
 }
 
 /**
@@ -2830,14 +2834,18 @@ static int irdma_hwreg_mr(struct irdma_device *iwdev, struct irdma_mr *iwmr,
 	ret = irdma_handle_cqp_op(iwdev->rf, cqp_request);
 	irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request);
 
+	if (!ret)
+		iwmr->is_hwreg = 1;
+
 	return ret;
 }
 
-static int irdma_reg_user_mr_type_mem(struct irdma_mr *iwmr, int access)
+static int irdma_reg_user_mr_type_mem(struct irdma_mr *iwmr, int access,
+				      bool create_stag)
 {
 	struct irdma_device *iwdev = to_iwdev(iwmr->ibmr.device);
 	struct irdma_pbl *iwpbl = &iwmr->iwpbl;
-	u32 stag;
+	u32 stag = 0;
 	u8 lvl;
 	int err;
 
@@ -2856,15 +2864,18 @@ static int irdma_reg_user_mr_type_mem(struct irdma_mr *iwmr, int access)
 		}
 	}
 
-	stag = irdma_create_stag(iwdev);
-	if (!stag) {
-		err = -ENOMEM;
-		goto free_pble;
+	if (create_stag) {
+		stag = irdma_create_stag(iwdev);
+		if (!stag) {
+			err = -ENOMEM;
+			goto free_pble;
+		}
+
+		iwmr->stag = stag;
+		iwmr->ibmr.rkey = stag;
+		iwmr->ibmr.lkey = stag;
 	}
 
-	iwmr->stag = stag;
-	iwmr->ibmr.rkey = stag;
-	iwmr->ibmr.lkey = stag;
 	err = irdma_hwreg_mr(iwdev, iwmr, access);
 	if (err)
 		goto err_hwreg;
@@ -2872,7 +2883,8 @@ static int irdma_reg_user_mr_type_mem(struct irdma_mr *iwmr, int access)
 	return 0;
 
 err_hwreg:
-	irdma_free_stag(iwdev, stag);
+	if (stag)
+		irdma_free_stag(iwdev, stag);
 
 free_pble:
 	if (iwpbl->pble_alloc.level != PBLE_LEVEL_0 && iwpbl->pbl_allocated)
@@ -3052,7 +3064,7 @@ static struct ib_mr *irdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 len,
 			goto error;
 		break;
 	case IRDMA_MEMREG_TYPE_MEM:
-		err = irdma_reg_user_mr_type_mem(iwmr, access);
+		err = irdma_reg_user_mr_type_mem(iwmr, access, true);
 		if (err)
 			goto error;
 
@@ -3096,7 +3108,7 @@ static struct ib_mr *irdma_reg_user_mr_dmabuf(struct ib_pd *pd, u64 start,
 		goto err_release;
 	}
 
-	err = irdma_reg_user_mr_type_mem(iwmr, access);
+	err = irdma_reg_user_mr_type_mem(iwmr, access, true);
 	if (err)
 		goto err_iwmr;
 
@@ -3111,6 +3123,161 @@ err_release:
 	return ERR_PTR(err);
 }
 
+static int irdma_hwdereg_mr(struct ib_mr *ib_mr)
+{
+	struct irdma_device *iwdev = to_iwdev(ib_mr->device);
+	struct irdma_mr *iwmr = to_iwmr(ib_mr);
+	struct irdma_pd *iwpd = to_iwpd(ib_mr->pd);
+	struct irdma_dealloc_stag_info *info;
+	struct irdma_pbl *iwpbl = &iwmr->iwpbl;
+	struct irdma_cqp_request *cqp_request;
+	struct cqp_cmds_info *cqp_info;
+	int status;
+
+	/* Skip HW MR de-register when it is already de-registered
+	 * during an MR re-reregister and the re-registration fails
+	 */
+	if (!iwmr->is_hwreg)
+		return 0;
+
+	cqp_request = irdma_alloc_and_get_cqp_request(&iwdev->rf->cqp, true);
+	if (!cqp_request)
+		return -ENOMEM;
+
+	cqp_info = &cqp_request->info;
+	info = &cqp_info->in.u.dealloc_stag.info;
+	memset(info, 0, sizeof(*info));
+	info->pd_id = iwpd->sc_pd.pd_id;
+	info->stag_idx = ib_mr->rkey >> IRDMA_CQPSQ_STAG_IDX_S;
+	info->mr = true;
+	if (iwpbl->pbl_allocated)
+		info->dealloc_pbl = true;
+
+	cqp_info->cqp_cmd = IRDMA_OP_DEALLOC_STAG;
+	cqp_info->post_sq = 1;
+	cqp_info->in.u.dealloc_stag.dev = &iwdev->rf->sc_dev;
+	cqp_info->in.u.dealloc_stag.scratch = (uintptr_t)cqp_request;
+	status = irdma_handle_cqp_op(iwdev->rf, cqp_request);
+	irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request);
+	if (status)
+		return status;
+
+	iwmr->is_hwreg = 0;
+	return 0;
+}
+
+/*
+ * irdma_rereg_mr_trans - Re-register a user MR for a change translation.
+ * @iwmr: ptr of iwmr
+ * @start: virtual start address
+ * @len: length of mr
+ * @virt: virtual address
+ *
+ * Re-register a user memory region when a change translation is requested.
+ * Re-register a new region while reusing the stag from the original registration.
+ */
+static int irdma_rereg_mr_trans(struct irdma_mr *iwmr, u64 start, u64 len,
+				u64 virt)
+{
+	struct irdma_device *iwdev = to_iwdev(iwmr->ibmr.device);
+	struct irdma_pbl *iwpbl = &iwmr->iwpbl;
+	struct ib_pd *pd = iwmr->ibmr.pd;
+	struct ib_umem *region;
+	int err;
+
+	region = ib_umem_get(pd->device, start, len, iwmr->access);
+	if (IS_ERR(region))
+		return PTR_ERR(region);
+
+	iwmr->region = region;
+	iwmr->ibmr.iova = virt;
+	iwmr->ibmr.pd = pd;
+	iwmr->page_size = ib_umem_find_best_pgsz(region,
+				iwdev->rf->sc_dev.hw_attrs.page_size_cap,
+				virt);
+	if (unlikely(!iwmr->page_size)) {
+		err = -EOPNOTSUPP;
+		goto err;
+	}
+
+	iwmr->len = region->length;
+	iwpbl->user_base = virt;
+	iwmr->page_cnt = ib_umem_num_dma_blocks(region, iwmr->page_size);
+
+	err = irdma_reg_user_mr_type_mem(iwmr, iwmr->access, false);
+	if (err)
+		goto err;
+
+	return 0;
+
+err:
+	ib_umem_release(region);
+	return err;
+}
+
+/*
+ *  irdma_rereg_user_mr - Re-Register a user memory region(MR)
+ *  @ibmr: ib mem to access iwarp mr pointer
+ *  @flags: bit mask to indicate which of the attr's of MR modified
+ *  @start: virtual start address
+ *  @len: length of mr
+ *  @virt: virtual address
+ *  @new_access: bit mask of access flags
+ *  @new_pd: ptr of pd
+ *  @udata: user data
+ *
+ *  Return:
+ *  NULL - Success, existing MR updated
+ *  ERR_PTR - error occurred
+ */
+static struct ib_mr *irdma_rereg_user_mr(struct ib_mr *ib_mr, int flags,
+					 u64 start, u64 len, u64 virt,
+					 int new_access, struct ib_pd *new_pd,
+					 struct ib_udata *udata)
+{
+	struct irdma_device *iwdev = to_iwdev(ib_mr->device);
+	struct irdma_mr *iwmr = to_iwmr(ib_mr);
+	struct irdma_pbl *iwpbl = &iwmr->iwpbl;
+	int ret;
+
+	if (len > iwdev->rf->sc_dev.hw_attrs.max_mr_size)
+		return ERR_PTR(-EINVAL);
+
+	if (flags & ~(IB_MR_REREG_TRANS | IB_MR_REREG_PD | IB_MR_REREG_ACCESS))
+		return ERR_PTR(-EOPNOTSUPP);
+
+	ret = irdma_hwdereg_mr(ib_mr);
+	if (ret)
+		return ERR_PTR(ret);
+
+	if (flags & IB_MR_REREG_ACCESS)
+		iwmr->access = new_access;
+
+	if (flags & IB_MR_REREG_PD) {
+		iwmr->ibmr.pd = new_pd;
+		iwmr->ibmr.device = new_pd->device;
+	}
+
+	if (flags & IB_MR_REREG_TRANS) {
+		if (iwpbl->pbl_allocated) {
+			irdma_free_pble(iwdev->rf->pble_rsrc,
+					&iwpbl->pble_alloc);
+			iwpbl->pbl_allocated = false;
+		}
+		if (iwmr->region) {
+			ib_umem_release(iwmr->region);
+			iwmr->region = NULL;
+		}
+
+		ret = irdma_rereg_mr_trans(iwmr, start, len, virt);
+	} else
+		ret = irdma_hwreg_mr(iwdev, iwmr, iwmr->access);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return NULL;
+}
+
 /**
  * irdma_reg_phys_mr - register kernel physical memory
  * @pd: ibpd pointer
@@ -3218,16 +3385,10 @@ static void irdma_del_memlist(struct irdma_mr *iwmr,
  */
 static int irdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
 {
-	struct ib_pd *ibpd = ib_mr->pd;
-	struct irdma_pd *iwpd = to_iwpd(ibpd);
 	struct irdma_mr *iwmr = to_iwmr(ib_mr);
 	struct irdma_device *iwdev = to_iwdev(ib_mr->device);
-	struct irdma_dealloc_stag_info *info;
 	struct irdma_pbl *iwpbl = &iwmr->iwpbl;
-	struct irdma_pble_alloc *palloc = &iwpbl->pble_alloc;
-	struct irdma_cqp_request *cqp_request;
-	struct cqp_cmds_info *cqp_info;
-	int status;
+	int ret;
 
 	if (iwmr->type != IRDMA_MEMREG_TYPE_MEM) {
 		if (iwmr->region) {
@@ -3241,33 +3402,18 @@ static int irdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
 		goto done;
 	}
 
-	cqp_request = irdma_alloc_and_get_cqp_request(&iwdev->rf->cqp, true);
-	if (!cqp_request)
-		return -ENOMEM;
-
-	cqp_info = &cqp_request->info;
-	info = &cqp_info->in.u.dealloc_stag.info;
-	memset(info, 0, sizeof(*info));
-	info->pd_id = iwpd->sc_pd.pd_id;
-	info->stag_idx = ib_mr->rkey >> IRDMA_CQPSQ_STAG_IDX_S;
-	info->mr = true;
-	if (iwpbl->pbl_allocated)
-		info->dealloc_pbl = true;
-
-	cqp_info->cqp_cmd = IRDMA_OP_DEALLOC_STAG;
-	cqp_info->post_sq = 1;
-	cqp_info->in.u.dealloc_stag.dev = &iwdev->rf->sc_dev;
-	cqp_info->in.u.dealloc_stag.scratch = (uintptr_t)cqp_request;
-	status = irdma_handle_cqp_op(iwdev->rf, cqp_request);
-	irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request);
-	if (status)
-		return status;
+	ret = irdma_hwdereg_mr(ib_mr);
+	if (ret)
+		return ret;
 
 	irdma_free_stag(iwdev, iwmr->stag);
 done:
 	if (iwpbl->pbl_allocated)
-		irdma_free_pble(iwdev->rf->pble_rsrc, palloc);
-	ib_umem_release(iwmr->region);
+		irdma_free_pble(iwdev->rf->pble_rsrc, &iwpbl->pble_alloc);
+
+	if (iwmr->region)
+		ib_umem_release(iwmr->region);
+
 	kfree(iwmr);
 
 	return 0;
@@ -4597,6 +4743,7 @@ static const struct ib_device_ops irdma_dev_ops = {
 	.query_qp = irdma_query_qp,
 	.reg_user_mr = irdma_reg_user_mr,
 	.reg_user_mr_dmabuf = irdma_reg_user_mr_dmabuf,
+	.rereg_user_mr = irdma_rereg_user_mr,
 	.req_notify_cq = irdma_req_notify_cq,
 	.resize_cq = irdma_resize_cq,
 	INIT_RDMA_OBJ_SIZE(ib_pd, irdma_pd, ibpd),
diff --git a/drivers/infiniband/hw/irdma/verbs.h b/drivers/infiniband/hw/irdma/verbs.h
index 20297a14c9..cfa140b363 100644
--- a/drivers/infiniband/hw/irdma/verbs.h
+++ b/drivers/infiniband/hw/irdma/verbs.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2021 Intel Corporation */
 #ifndef IRDMA_VERBS_H
 #define IRDMA_VERBS_H
@@ -100,6 +100,8 @@ struct irdma_mr {
 		struct ib_mw ibmw;
 	};
 	struct ib_umem *region;
+	int access;
+	u8 is_hwreg;
 	u16 type;
 	u32 page_cnt;
 	u64 page_size;
diff --git a/drivers/infiniband/hw/irdma/ws.c b/drivers/infiniband/hw/irdma/ws.c
index 20bc8d0d7f..542bc0b1bb 100644
--- a/drivers/infiniband/hw/irdma/ws.c
+++ b/drivers/infiniband/hw/irdma/ws.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 /* Copyright (c) 2017 - 2021 Intel Corporation */
 #include "osdep.h"
 #include "hmc.h"
diff --git a/drivers/infiniband/hw/irdma/ws.h b/drivers/infiniband/hw/irdma/ws.h
index d431e3327d..45490031a3 100644
--- a/drivers/infiniband/hw/irdma/ws.h
+++ b/drivers/infiniband/hw/irdma/ws.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 /* Copyright (c) 2015 - 2020 Intel Corporation */
 #ifndef IRDMA_WS_H
 #define IRDMA_WS_H
diff --git a/drivers/infiniband/hw/mlx5/cong.c b/drivers/infiniband/hw/mlx5/cong.c
index f87531318f..a78a067e3c 100644
--- a/drivers/infiniband/hw/mlx5/cong.c
+++ b/drivers/infiniband/hw/mlx5/cong.c
@@ -458,6 +458,12 @@ void mlx5_ib_init_cong_debugfs(struct mlx5_ib_dev *dev, u32 port_num)
 	dbg_cc_params->root = debugfs_create_dir("cc_params", mlx5_debugfs_get_dev_root(mdev));
 
 	for (i = 0; i < MLX5_IB_DBG_CC_MAX; i++) {
+		if ((i == MLX5_IB_DBG_CC_GENERAL_RTT_RESP_DSCP_VALID ||
+		     i == MLX5_IB_DBG_CC_GENERAL_RTT_RESP_DSCP))
+			if (!MLX5_CAP_GEN(mdev, roce) ||
+			    !MLX5_CAP_ROCE(mdev, roce_cc_general))
+				continue;
+
 		dbg_cc_params->params[i].offset = i;
 		dbg_cc_params->params[i].dev = dev;
 		dbg_cc_params->params[i].port_num = port_num;
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index 8102ef113b..0c3c4e6481 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -619,6 +619,19 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u32 port,
 		}
 	}
 
+	/* Check if extended speeds 2 (XDR/...) are supported */
+	if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP &&
+	    props->port_cap_flags2 & IB_PORT_EXTENDED_SPEEDS2_SUP) {
+		ext_active_speed = (out_mad->data[56] >> 4) & 0x6;
+
+		switch (ext_active_speed) {
+		case 2:
+			if (props->port_cap_flags2 & IB_PORT_LINK_SPEED_XDR_SUP)
+				props->active_speed = IB_SPEED_XDR;
+			break;
+		}
+	}
+
 	/* If reported active speed is QDR, check if is FDR-10 */
 	if (props->active_speed == 4) {
 		if (dev->port_caps[port - 1].ext_port_cap &
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 102ead4971..650a15b6cf 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -444,7 +444,7 @@ static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u16 *active_speed,
 		*active_width = IB_WIDTH_2X;
 		*active_speed = IB_SPEED_NDR;
 		break;
-	case MLX5E_PROT_MASK(MLX5E_400GAUI_8):
+	case MLX5E_PROT_MASK(MLX5E_400GAUI_8_400GBASE_CR8):
 		*active_width = IB_WIDTH_8X;
 		*active_speed = IB_SPEED_HDR;
 		break;
@@ -452,6 +452,10 @@ static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u16 *active_speed,
 		*active_width = IB_WIDTH_4X;
 		*active_speed = IB_SPEED_NDR;
 		break;
+	case MLX5E_PROT_MASK(MLX5E_800GAUI_8_800GBASE_CR8_KR8):
+		*active_width = IB_WIDTH_8X;
+		*active_speed = IB_SPEED_NDR;
+		break;
 	default:
 		return -EINVAL;
 	}
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 16713baf0d..bbe79b86c7 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -753,10 +753,25 @@ struct umr_common {
 	unsigned int state;
 };
 
+#define NUM_MKEYS_PER_PAGE \
+	((PAGE_SIZE - sizeof(struct list_head)) / sizeof(u32))
+
+struct mlx5_mkeys_page {
+	u32 mkeys[NUM_MKEYS_PER_PAGE];
+	struct list_head list;
+};
+static_assert(sizeof(struct mlx5_mkeys_page) == PAGE_SIZE);
+
+struct mlx5_mkeys_queue {
+	struct list_head pages_list;
+	u32 num_pages;
+	unsigned long ci;
+	spinlock_t lock; /* sync list ops */
+};
+
 struct mlx5_cache_ent {
-	struct xarray		mkeys;
-	unsigned long		stored;
-	unsigned long		reserved;
+	struct mlx5_mkeys_queue	mkeys_queue;
+	u32			pending;
 
 	char                    name[4];
 
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index e0629898c3..18e459b557 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -143,110 +143,47 @@ static void create_mkey_warn(struct mlx5_ib_dev *dev, int status, void *out)
 	mlx5_cmd_out_err(dev->mdev, MLX5_CMD_OP_CREATE_MKEY, 0, out);
 }
 
-static int push_mkey_locked(struct mlx5_cache_ent *ent, bool limit_pendings,
-			    void *to_store)
+static int push_mkey_locked(struct mlx5_cache_ent *ent, u32 mkey)
 {
-	XA_STATE(xas, &ent->mkeys, 0);
-	void *curr;
+	unsigned long tmp = ent->mkeys_queue.ci % NUM_MKEYS_PER_PAGE;
+	struct mlx5_mkeys_page *page;
 
-	if (limit_pendings &&
-	    (ent->reserved - ent->stored) > MAX_PENDING_REG_MR)
-		return -EAGAIN;
-
-	while (1) {
-		/*
-		 * This is cmpxchg (NULL, XA_ZERO_ENTRY) however this version
-		 * doesn't transparently unlock. Instead we set the xas index to
-		 * the current value of reserved every iteration.
-		 */
-		xas_set(&xas, ent->reserved);
-		curr = xas_load(&xas);
-		if (!curr) {
-			if (to_store && ent->stored == ent->reserved)
-				xas_store(&xas, to_store);
-			else
-				xas_store(&xas, XA_ZERO_ENTRY);
-			if (xas_valid(&xas)) {
-				ent->reserved++;
-				if (to_store) {
-					if (ent->stored != ent->reserved)
-						__xa_store(&ent->mkeys,
-							   ent->stored,
-							   to_store,
-							   GFP_KERNEL);
-					ent->stored++;
-					queue_adjust_cache_locked(ent);
-					WRITE_ONCE(ent->dev->cache.last_add,
-						   jiffies);
-				}
-			}
-		}
-		xa_unlock_irq(&ent->mkeys);
-
-		/*
-		 * Notice xas_nomem() must always be called as it cleans
-		 * up any cached allocation.
-		 */
-		if (!xas_nomem(&xas, GFP_KERNEL))
-			break;
-		xa_lock_irq(&ent->mkeys);
+	lockdep_assert_held(&ent->mkeys_queue.lock);
+	if (ent->mkeys_queue.ci >=
+	    ent->mkeys_queue.num_pages * NUM_MKEYS_PER_PAGE) {
+		page = kzalloc(sizeof(*page), GFP_ATOMIC);
+		if (!page)
+			return -ENOMEM;
+		ent->mkeys_queue.num_pages++;
+		list_add_tail(&page->list, &ent->mkeys_queue.pages_list);
+	} else {
+		page = list_last_entry(&ent->mkeys_queue.pages_list,
+				       struct mlx5_mkeys_page, list);
 	}
-	xa_lock_irq(&ent->mkeys);
-	if (xas_error(&xas))
-		return xas_error(&xas);
-	if (WARN_ON(curr))
-		return -EINVAL;
-	return 0;
-}
-
-static int push_mkey(struct mlx5_cache_ent *ent, bool limit_pendings,
-		     void *to_store)
-{
-	int ret;
-
-	xa_lock_irq(&ent->mkeys);
-	ret = push_mkey_locked(ent, limit_pendings, to_store);
-	xa_unlock_irq(&ent->mkeys);
-	return ret;
-}
-
-static void undo_push_reserve_mkey(struct mlx5_cache_ent *ent)
-{
-	void *old;
-
-	ent->reserved--;
-	old = __xa_erase(&ent->mkeys, ent->reserved);
-	WARN_ON(old);
-}
-
-static void push_to_reserved(struct mlx5_cache_ent *ent, u32 mkey)
-{
-	void *old;
 
-	old = __xa_store(&ent->mkeys, ent->stored, xa_mk_value(mkey), 0);
-	WARN_ON(old);
-	ent->stored++;
+	page->mkeys[tmp] = mkey;
+	ent->mkeys_queue.ci++;
+	return 0;
 }
 
-static u32 pop_stored_mkey(struct mlx5_cache_ent *ent)
+static int pop_mkey_locked(struct mlx5_cache_ent *ent)
 {
-	void *old, *xa_mkey;
-
-	ent->stored--;
-	ent->reserved--;
+	unsigned long tmp = (ent->mkeys_queue.ci - 1) % NUM_MKEYS_PER_PAGE;
+	struct mlx5_mkeys_page *last_page;
+	u32 mkey;
 
-	if (ent->stored == ent->reserved) {
-		xa_mkey = __xa_erase(&ent->mkeys, ent->stored);
-		WARN_ON(!xa_mkey);
-		return (u32)xa_to_value(xa_mkey);
+	lockdep_assert_held(&ent->mkeys_queue.lock);
+	last_page = list_last_entry(&ent->mkeys_queue.pages_list,
+				    struct mlx5_mkeys_page, list);
+	mkey = last_page->mkeys[tmp];
+	last_page->mkeys[tmp] = 0;
+	ent->mkeys_queue.ci--;
+	if (ent->mkeys_queue.num_pages > 1 && !tmp) {
+		list_del(&last_page->list);
+		ent->mkeys_queue.num_pages--;
+		kfree(last_page);
 	}
-
-	xa_mkey = __xa_store(&ent->mkeys, ent->stored, XA_ZERO_ENTRY,
-			     GFP_KERNEL);
-	WARN_ON(!xa_mkey || xa_is_err(xa_mkey));
-	old = __xa_erase(&ent->mkeys, ent->reserved);
-	WARN_ON(old);
-	return (u32)xa_to_value(xa_mkey);
+	return mkey;
 }
 
 static void create_mkey_callback(int status, struct mlx5_async_work *context)
@@ -260,10 +197,10 @@ static void create_mkey_callback(int status, struct mlx5_async_work *context)
 	if (status) {
 		create_mkey_warn(dev, status, mkey_out->out);
 		kfree(mkey_out);
-		xa_lock_irqsave(&ent->mkeys, flags);
-		undo_push_reserve_mkey(ent);
+		spin_lock_irqsave(&ent->mkeys_queue.lock, flags);
+		ent->pending--;
 		WRITE_ONCE(dev->fill_delay, 1);
-		xa_unlock_irqrestore(&ent->mkeys, flags);
+		spin_unlock_irqrestore(&ent->mkeys_queue.lock, flags);
 		mod_timer(&dev->delay_timer, jiffies + HZ);
 		return;
 	}
@@ -272,11 +209,12 @@ static void create_mkey_callback(int status, struct mlx5_async_work *context)
 		MLX5_GET(create_mkey_out, mkey_out->out, mkey_index));
 	WRITE_ONCE(dev->cache.last_add, jiffies);
 
-	xa_lock_irqsave(&ent->mkeys, flags);
-	push_to_reserved(ent, mkey_out->mkey);
+	spin_lock_irqsave(&ent->mkeys_queue.lock, flags);
+	push_mkey_locked(ent, mkey_out->mkey);
 	/* If we are doing fill_to_high_water then keep going. */
 	queue_adjust_cache_locked(ent);
-	xa_unlock_irqrestore(&ent->mkeys, flags);
+	ent->pending--;
+	spin_unlock_irqrestore(&ent->mkeys_queue.lock, flags);
 	kfree(mkey_out);
 }
 
@@ -333,24 +271,28 @@ static int add_keys(struct mlx5_cache_ent *ent, unsigned int num)
 		set_cache_mkc(ent, mkc);
 		async_create->ent = ent;
 
-		err = push_mkey(ent, true, NULL);
-		if (err)
+		spin_lock_irq(&ent->mkeys_queue.lock);
+		if (ent->pending >= MAX_PENDING_REG_MR) {
+			err = -EAGAIN;
 			goto free_async_create;
+		}
+		ent->pending++;
+		spin_unlock_irq(&ent->mkeys_queue.lock);
 
 		err = mlx5_ib_create_mkey_cb(async_create);
 		if (err) {
 			mlx5_ib_warn(ent->dev, "create mkey failed %d\n", err);
-			goto err_undo_reserve;
+			goto err_create_mkey;
 		}
 	}
 
 	return 0;
 
-err_undo_reserve:
-	xa_lock_irq(&ent->mkeys);
-	undo_push_reserve_mkey(ent);
-	xa_unlock_irq(&ent->mkeys);
+err_create_mkey:
+	spin_lock_irq(&ent->mkeys_queue.lock);
+	ent->pending--;
 free_async_create:
+	spin_unlock_irq(&ent->mkeys_queue.lock);
 	kfree(async_create);
 	return err;
 }
@@ -383,36 +325,36 @@ static void remove_cache_mr_locked(struct mlx5_cache_ent *ent)
 {
 	u32 mkey;
 
-	lockdep_assert_held(&ent->mkeys.xa_lock);
-	if (!ent->stored)
+	lockdep_assert_held(&ent->mkeys_queue.lock);
+	if (!ent->mkeys_queue.ci)
 		return;
-	mkey = pop_stored_mkey(ent);
-	xa_unlock_irq(&ent->mkeys);
+	mkey = pop_mkey_locked(ent);
+	spin_unlock_irq(&ent->mkeys_queue.lock);
 	mlx5_core_destroy_mkey(ent->dev->mdev, mkey);
-	xa_lock_irq(&ent->mkeys);
+	spin_lock_irq(&ent->mkeys_queue.lock);
 }
 
 static int resize_available_mrs(struct mlx5_cache_ent *ent, unsigned int target,
 				bool limit_fill)
-	 __acquires(&ent->mkeys) __releases(&ent->mkeys)
+	__acquires(&ent->mkeys_queue.lock) __releases(&ent->mkeys_queue.lock)
 {
 	int err;
 
-	lockdep_assert_held(&ent->mkeys.xa_lock);
+	lockdep_assert_held(&ent->mkeys_queue.lock);
 
 	while (true) {
 		if (limit_fill)
 			target = ent->limit * 2;
-		if (target == ent->reserved)
+		if (target == ent->pending + ent->mkeys_queue.ci)
 			return 0;
-		if (target > ent->reserved) {
-			u32 todo = target - ent->reserved;
+		if (target > ent->pending + ent->mkeys_queue.ci) {
+			u32 todo = target - (ent->pending + ent->mkeys_queue.ci);
 
-			xa_unlock_irq(&ent->mkeys);
+			spin_unlock_irq(&ent->mkeys_queue.lock);
 			err = add_keys(ent, todo);
 			if (err == -EAGAIN)
 				usleep_range(3000, 5000);
-			xa_lock_irq(&ent->mkeys);
+			spin_lock_irq(&ent->mkeys_queue.lock);
 			if (err) {
 				if (err != -EAGAIN)
 					return err;
@@ -440,7 +382,7 @@ static ssize_t size_write(struct file *filp, const char __user *buf,
 	 * cannot free MRs that are in use. Compute the target value for stored
 	 * mkeys.
 	 */
-	xa_lock_irq(&ent->mkeys);
+	spin_lock_irq(&ent->mkeys_queue.lock);
 	if (target < ent->in_use) {
 		err = -EINVAL;
 		goto err_unlock;
@@ -453,12 +395,12 @@ static ssize_t size_write(struct file *filp, const char __user *buf,
 	err = resize_available_mrs(ent, target, false);
 	if (err)
 		goto err_unlock;
-	xa_unlock_irq(&ent->mkeys);
+	spin_unlock_irq(&ent->mkeys_queue.lock);
 
 	return count;
 
 err_unlock:
-	xa_unlock_irq(&ent->mkeys);
+	spin_unlock_irq(&ent->mkeys_queue.lock);
 	return err;
 }
 
@@ -469,7 +411,8 @@ static ssize_t size_read(struct file *filp, char __user *buf, size_t count,
 	char lbuf[20];
 	int err;
 
-	err = snprintf(lbuf, sizeof(lbuf), "%ld\n", ent->stored + ent->in_use);
+	err = snprintf(lbuf, sizeof(lbuf), "%ld\n",
+		       ent->mkeys_queue.ci + ent->in_use);
 	if (err < 0)
 		return err;
 
@@ -498,10 +441,10 @@ static ssize_t limit_write(struct file *filp, const char __user *buf,
 	 * Upon set we immediately fill the cache to high water mark implied by
 	 * the limit.
 	 */
-	xa_lock_irq(&ent->mkeys);
+	spin_lock_irq(&ent->mkeys_queue.lock);
 	ent->limit = var;
 	err = resize_available_mrs(ent, 0, true);
-	xa_unlock_irq(&ent->mkeys);
+	spin_unlock_irq(&ent->mkeys_queue.lock);
 	if (err)
 		return err;
 	return count;
@@ -537,9 +480,9 @@ static bool someone_adding(struct mlx5_mkey_cache *cache)
 	mutex_lock(&cache->rb_lock);
 	for (node = rb_first(&cache->rb_root); node; node = rb_next(node)) {
 		ent = rb_entry(node, struct mlx5_cache_ent, node);
-		xa_lock_irq(&ent->mkeys);
-		ret = ent->stored < ent->limit;
-		xa_unlock_irq(&ent->mkeys);
+		spin_lock_irq(&ent->mkeys_queue.lock);
+		ret = ent->mkeys_queue.ci < ent->limit;
+		spin_unlock_irq(&ent->mkeys_queue.lock);
 		if (ret) {
 			mutex_unlock(&cache->rb_lock);
 			return true;
@@ -556,26 +499,26 @@ static bool someone_adding(struct mlx5_mkey_cache *cache)
  */
 static void queue_adjust_cache_locked(struct mlx5_cache_ent *ent)
 {
-	lockdep_assert_held(&ent->mkeys.xa_lock);
+	lockdep_assert_held(&ent->mkeys_queue.lock);
 
 	if (ent->disabled || READ_ONCE(ent->dev->fill_delay) || ent->is_tmp)
 		return;
-	if (ent->stored < ent->limit) {
+	if (ent->mkeys_queue.ci < ent->limit) {
 		ent->fill_to_high_water = true;
 		mod_delayed_work(ent->dev->cache.wq, &ent->dwork, 0);
 	} else if (ent->fill_to_high_water &&
-		   ent->reserved < 2 * ent->limit) {
+		   ent->mkeys_queue.ci + ent->pending < 2 * ent->limit) {
 		/*
 		 * Once we start populating due to hitting a low water mark
 		 * continue until we pass the high water mark.
 		 */
 		mod_delayed_work(ent->dev->cache.wq, &ent->dwork, 0);
-	} else if (ent->stored == 2 * ent->limit) {
+	} else if (ent->mkeys_queue.ci == 2 * ent->limit) {
 		ent->fill_to_high_water = false;
-	} else if (ent->stored > 2 * ent->limit) {
+	} else if (ent->mkeys_queue.ci > 2 * ent->limit) {
 		/* Queue deletion of excess entries */
 		ent->fill_to_high_water = false;
-		if (ent->stored != ent->reserved)
+		if (ent->pending)
 			queue_delayed_work(ent->dev->cache.wq, &ent->dwork,
 					   msecs_to_jiffies(1000));
 		else
@@ -589,15 +532,16 @@ static void __cache_work_func(struct mlx5_cache_ent *ent)
 	struct mlx5_mkey_cache *cache = &dev->cache;
 	int err;
 
-	xa_lock_irq(&ent->mkeys);
+	spin_lock_irq(&ent->mkeys_queue.lock);
 	if (ent->disabled)
 		goto out;
 
-	if (ent->fill_to_high_water && ent->reserved < 2 * ent->limit &&
+	if (ent->fill_to_high_water &&
+	    ent->mkeys_queue.ci + ent->pending < 2 * ent->limit &&
 	    !READ_ONCE(dev->fill_delay)) {
-		xa_unlock_irq(&ent->mkeys);
+		spin_unlock_irq(&ent->mkeys_queue.lock);
 		err = add_keys(ent, 1);
-		xa_lock_irq(&ent->mkeys);
+		spin_lock_irq(&ent->mkeys_queue.lock);
 		if (ent->disabled)
 			goto out;
 		if (err) {
@@ -615,7 +559,7 @@ static void __cache_work_func(struct mlx5_cache_ent *ent)
 						   msecs_to_jiffies(1000));
 			}
 		}
-	} else if (ent->stored > 2 * ent->limit) {
+	} else if (ent->mkeys_queue.ci > 2 * ent->limit) {
 		bool need_delay;
 
 		/*
@@ -630,11 +574,11 @@ static void __cache_work_func(struct mlx5_cache_ent *ent)
 		 * the garbage collection work to try to run in next cycle, in
 		 * order to free CPU resources to other tasks.
 		 */
-		xa_unlock_irq(&ent->mkeys);
+		spin_unlock_irq(&ent->mkeys_queue.lock);
 		need_delay = need_resched() || someone_adding(cache) ||
 			     !time_after(jiffies,
 					 READ_ONCE(cache->last_add) + 300 * HZ);
-		xa_lock_irq(&ent->mkeys);
+		spin_lock_irq(&ent->mkeys_queue.lock);
 		if (ent->disabled)
 			goto out;
 		if (need_delay) {
@@ -645,7 +589,7 @@ static void __cache_work_func(struct mlx5_cache_ent *ent)
 		queue_adjust_cache_locked(ent);
 	}
 out:
-	xa_unlock_irq(&ent->mkeys);
+	spin_unlock_irq(&ent->mkeys_queue.lock);
 }
 
 static void delayed_cache_work_func(struct work_struct *work)
@@ -753,25 +697,25 @@ static struct mlx5_ib_mr *_mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev,
 	if (!mr)
 		return ERR_PTR(-ENOMEM);
 
-	xa_lock_irq(&ent->mkeys);
+	spin_lock_irq(&ent->mkeys_queue.lock);
 	ent->in_use++;
 
-	if (!ent->stored) {
+	if (!ent->mkeys_queue.ci) {
 		queue_adjust_cache_locked(ent);
 		ent->miss++;
-		xa_unlock_irq(&ent->mkeys);
+		spin_unlock_irq(&ent->mkeys_queue.lock);
 		err = create_cache_mkey(ent, &mr->mmkey.key);
 		if (err) {
-			xa_lock_irq(&ent->mkeys);
+			spin_lock_irq(&ent->mkeys_queue.lock);
 			ent->in_use--;
-			xa_unlock_irq(&ent->mkeys);
+			spin_unlock_irq(&ent->mkeys_queue.lock);
 			kfree(mr);
 			return ERR_PTR(err);
 		}
 	} else {
-		mr->mmkey.key = pop_stored_mkey(ent);
+		mr->mmkey.key = pop_mkey_locked(ent);
 		queue_adjust_cache_locked(ent);
-		xa_unlock_irq(&ent->mkeys);
+		spin_unlock_irq(&ent->mkeys_queue.lock);
 	}
 	mr->mmkey.cache_ent = ent;
 	mr->mmkey.type = MLX5_MKEY_MR;
@@ -825,14 +769,14 @@ static void clean_keys(struct mlx5_ib_dev *dev, struct mlx5_cache_ent *ent)
 	u32 mkey;
 
 	cancel_delayed_work(&ent->dwork);
-	xa_lock_irq(&ent->mkeys);
-	while (ent->stored) {
-		mkey = pop_stored_mkey(ent);
-		xa_unlock_irq(&ent->mkeys);
+	spin_lock_irq(&ent->mkeys_queue.lock);
+	while (ent->mkeys_queue.ci) {
+		mkey = pop_mkey_locked(ent);
+		spin_unlock_irq(&ent->mkeys_queue.lock);
 		mlx5_core_destroy_mkey(dev->mdev, mkey);
-		xa_lock_irq(&ent->mkeys);
+		spin_lock_irq(&ent->mkeys_queue.lock);
 	}
-	xa_unlock_irq(&ent->mkeys);
+	spin_unlock_irq(&ent->mkeys_queue.lock);
 }
 
 static void mlx5_mkey_cache_debugfs_cleanup(struct mlx5_ib_dev *dev)
@@ -860,7 +804,7 @@ static void mlx5_mkey_cache_debugfs_add_ent(struct mlx5_ib_dev *dev,
 	dir = debugfs_create_dir(ent->name, dev->cache.fs_root);
 	debugfs_create_file("size", 0600, dir, ent, &size_fops);
 	debugfs_create_file("limit", 0600, dir, ent, &limit_fops);
-	debugfs_create_ulong("cur", 0400, dir, &ent->stored);
+	debugfs_create_ulong("cur", 0400, dir, &ent->mkeys_queue.ci);
 	debugfs_create_u32("miss", 0600, dir, &ent->miss);
 }
 
@@ -882,6 +826,31 @@ static void delay_time_func(struct timer_list *t)
 	WRITE_ONCE(dev->fill_delay, 0);
 }
 
+static int mlx5r_mkeys_init(struct mlx5_cache_ent *ent)
+{
+	struct mlx5_mkeys_page *page;
+
+	page = kzalloc(sizeof(*page), GFP_KERNEL);
+	if (!page)
+		return -ENOMEM;
+	INIT_LIST_HEAD(&ent->mkeys_queue.pages_list);
+	spin_lock_init(&ent->mkeys_queue.lock);
+	list_add_tail(&page->list, &ent->mkeys_queue.pages_list);
+	ent->mkeys_queue.num_pages++;
+	return 0;
+}
+
+static void mlx5r_mkeys_uninit(struct mlx5_cache_ent *ent)
+{
+	struct mlx5_mkeys_page *page;
+
+	WARN_ON(ent->mkeys_queue.ci || ent->mkeys_queue.num_pages > 1);
+	page = list_last_entry(&ent->mkeys_queue.pages_list,
+			       struct mlx5_mkeys_page, list);
+	list_del(&page->list);
+	kfree(page);
+}
+
 struct mlx5_cache_ent *
 mlx5r_cache_create_ent_locked(struct mlx5_ib_dev *dev,
 			      struct mlx5r_cache_rb_key rb_key,
@@ -895,7 +864,9 @@ mlx5r_cache_create_ent_locked(struct mlx5_ib_dev *dev,
 	if (!ent)
 		return ERR_PTR(-ENOMEM);
 
-	xa_init_flags(&ent->mkeys, XA_FLAGS_LOCK_IRQ);
+	ret = mlx5r_mkeys_init(ent);
+	if (ret)
+		goto mkeys_err;
 	ent->rb_key = rb_key;
 	ent->dev = dev;
 	ent->is_tmp = !persistent_entry;
@@ -903,10 +874,8 @@ mlx5r_cache_create_ent_locked(struct mlx5_ib_dev *dev,
 	INIT_DELAYED_WORK(&ent->dwork, delayed_cache_work_func);
 
 	ret = mlx5_cache_ent_insert(&dev->cache, ent);
-	if (ret) {
-		kfree(ent);
-		return ERR_PTR(ret);
-	}
+	if (ret)
+		goto ent_insert_err;
 
 	if (persistent_entry) {
 		if (rb_key.access_mode == MLX5_MKC_ACCESS_MODE_KSM)
@@ -929,6 +898,11 @@ mlx5r_cache_create_ent_locked(struct mlx5_ib_dev *dev,
 	}
 
 	return ent;
+ent_insert_err:
+	mlx5r_mkeys_uninit(ent);
+mkeys_err:
+	kfree(ent);
+	return ERR_PTR(ret);
 }
 
 static void remove_ent_work_func(struct work_struct *work)
@@ -946,13 +920,13 @@ static void remove_ent_work_func(struct work_struct *work)
 		cur = rb_prev(cur);
 		mutex_unlock(&cache->rb_lock);
 
-		xa_lock_irq(&ent->mkeys);
+		spin_lock_irq(&ent->mkeys_queue.lock);
 		if (!ent->is_tmp) {
-			xa_unlock_irq(&ent->mkeys);
+			spin_unlock_irq(&ent->mkeys_queue.lock);
 			mutex_lock(&cache->rb_lock);
 			continue;
 		}
-		xa_unlock_irq(&ent->mkeys);
+		spin_unlock_irq(&ent->mkeys_queue.lock);
 
 		clean_keys(ent->dev, ent);
 		mutex_lock(&cache->rb_lock);
@@ -1002,9 +976,9 @@ int mlx5_mkey_cache_init(struct mlx5_ib_dev *dev)
 	mutex_unlock(&cache->rb_lock);
 	for (node = rb_first(root); node; node = rb_next(node)) {
 		ent = rb_entry(node, struct mlx5_cache_ent, node);
-		xa_lock_irq(&ent->mkeys);
+		spin_lock_irq(&ent->mkeys_queue.lock);
 		queue_adjust_cache_locked(ent);
-		xa_unlock_irq(&ent->mkeys);
+		spin_unlock_irq(&ent->mkeys_queue.lock);
 	}
 
 	return 0;
@@ -1029,9 +1003,9 @@ void mlx5_mkey_cache_cleanup(struct mlx5_ib_dev *dev)
 	cancel_delayed_work(&dev->cache.remove_ent_dwork);
 	for (node = rb_first(root); node; node = rb_next(node)) {
 		ent = rb_entry(node, struct mlx5_cache_ent, node);
-		xa_lock_irq(&ent->mkeys);
+		spin_lock_irq(&ent->mkeys_queue.lock);
 		ent->disabled = true;
-		xa_unlock_irq(&ent->mkeys);
+		spin_unlock_irq(&ent->mkeys_queue.lock);
 		cancel_delayed_work(&ent->dwork);
 	}
 	mutex_unlock(&dev->cache.rb_lock);
@@ -1053,6 +1027,7 @@ void mlx5_mkey_cache_cleanup(struct mlx5_ib_dev *dev)
 		node = rb_next(node);
 		clean_keys(dev, ent);
 		rb_erase(&ent->node, root);
+		mlx5r_mkeys_uninit(ent);
 		kfree(ent);
 	}
 	mutex_unlock(&dev->cache.rb_lock);
@@ -1825,7 +1800,7 @@ static int cache_ent_find_and_store(struct mlx5_ib_dev *dev,
 	int ret;
 
 	if (mr->mmkey.cache_ent) {
-		xa_lock_irq(&mr->mmkey.cache_ent->mkeys);
+		spin_lock_irq(&mr->mmkey.cache_ent->mkeys_queue.lock);
 		mr->mmkey.cache_ent->in_use--;
 		goto end;
 	}
@@ -1839,7 +1814,7 @@ static int cache_ent_find_and_store(struct mlx5_ib_dev *dev,
 				return -EOPNOTSUPP;
 			}
 			mr->mmkey.cache_ent = ent;
-			xa_lock_irq(&mr->mmkey.cache_ent->mkeys);
+			spin_lock_irq(&mr->mmkey.cache_ent->mkeys_queue.lock);
 			mutex_unlock(&cache->rb_lock);
 			goto end;
 		}
@@ -1851,12 +1826,11 @@ static int cache_ent_find_and_store(struct mlx5_ib_dev *dev,
 		return PTR_ERR(ent);
 
 	mr->mmkey.cache_ent = ent;
-	xa_lock_irq(&mr->mmkey.cache_ent->mkeys);
+	spin_lock_irq(&mr->mmkey.cache_ent->mkeys_queue.lock);
 
 end:
-	ret = push_mkey_locked(mr->mmkey.cache_ent, false,
-			       xa_mk_value(mr->mmkey.key));
-	xa_unlock_irq(&mr->mmkey.cache_ent->mkeys);
+	ret = push_mkey_locked(mr->mmkey.cache_ent, mr->mmkey.key);
+	spin_unlock_irq(&mr->mmkey.cache_ent->mkeys_queue.lock);
 	return ret;
 }
 
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 2340baaba8..8115ab1071 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -3436,7 +3436,7 @@ static int ib_rate_to_mlx5(struct mlx5_ib_dev *dev, u8 rate)
 	if (rate == IB_RATE_PORT_CURRENT)
 		return 0;
 
-	if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_600_GBPS)
+	if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_800_GBPS)
 		return -EINVAL;
 
 	stat_rate_support = MLX5_CAP_GEN(dev->mdev, stat_rate_support);
diff --git a/drivers/infiniband/hw/mlx5/umr.c b/drivers/infiniband/hw/mlx5/umr.c
index 234bf30db7..e76142f6fa 100644
--- a/drivers/infiniband/hw/mlx5/umr.c
+++ b/drivers/infiniband/hw/mlx5/umr.c
@@ -332,8 +332,8 @@ static int mlx5r_umr_post_send_wait(struct mlx5_ib_dev *dev, u32 mkey,
 
 		WARN_ON_ONCE(1);
 		mlx5_ib_warn(dev,
-			"reg umr failed (%u). Trying to recover and resubmit the flushed WQEs\n",
-			umr_context.status);
+			"reg umr failed (%u). Trying to recover and resubmit the flushed WQEs, mkey = %u\n",
+			umr_context.status, mkey);
 		mutex_lock(&umrc->lock);
 		err = mlx5r_umr_recover(dev);
 		mutex_unlock(&umrc->lock);
diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.h b/drivers/infiniband/hw/mthca/mthca_memfree.h
index f9a2e65e2f..61d5bbba29 100644
--- a/drivers/infiniband/hw/mthca/mthca_memfree.h
+++ b/drivers/infiniband/hw/mthca/mthca_memfree.h
@@ -68,7 +68,7 @@ struct mthca_icm_table {
 	int               lowmem;
 	int               coherent;
 	struct mutex      mutex;
-	struct mthca_icm *icm[];
+	struct mthca_icm *icm[] __counted_by(num_icm);
 };
 
 struct mthca_icm_iter {
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 7887a6786e..f118ce0a9a 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -1879,8 +1879,17 @@ static int qedr_create_user_qp(struct qedr_dev *dev,
 		/* RQ - read access only (0) */
 		rc = qedr_init_user_queue(udata, dev, &qp->urq, ureq.rq_addr,
 					  ureq.rq_len, true, 0, alloc_and_init);
-		if (rc)
+		if (rc) {
+			ib_umem_release(qp->usq.umem);
+			qp->usq.umem = NULL;
+			if (rdma_protocol_roce(&dev->ibdev, 1)) {
+				qedr_free_pbl(dev, &qp->usq.pbl_info,
+					      qp->usq.pbl_tbl);
+			} else {
+				kfree(qp->usq.pbl_tbl);
+			}
 			return rc;
+		}
 	}
 
 	memset(&in_params, 0, sizeof(in_params));
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 152952127f..29e4c59aa2 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -2244,7 +2244,7 @@ static ssize_t qib_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	struct qib_ctxtdata *rcd = ctxt_fp(iocb->ki_filp);
 	struct qib_user_sdma_queue *pq = fp->pq;
 
-	if (!from->user_backed || !from->nr_segs || !pq)
+	if (!user_backed_iter(from) || !from->nr_segs || !pq)
 		return -EINVAL;
 
 	return qib_user_sdma_writev(rcd, pq, iter_iov(from), from->nr_segs);
diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
index ed7d4b02f4..455e966eef 100644
--- a/drivers/infiniband/hw/qib/qib_fs.c
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -64,8 +64,8 @@ static int qibfs_mknod(struct inode *dir, struct dentry *dentry,
 	inode->i_uid = GLOBAL_ROOT_UID;
 	inode->i_gid = GLOBAL_ROOT_GID;
 	inode->i_blocks = 0;
-	inode->i_atime = inode_set_ctime_current(inode);
-	inode->i_mtime = inode->i_atime;
+	simple_inode_init_ts(inode);
+	
 	inode->i_private = data;
 	if (S_ISDIR(mode)) {
 		inode->i_op = &simple_dir_inode_operations;
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 9d2dd135b7..f93906d8fc 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -6127,7 +6127,7 @@ static int setup_txselect(const char *str, const struct kernel_param *kp)
 			TXDDS_TABLE_SZ + TXDDS_EXTRA_SZ + TXDDS_MFG_SZ);
 		return -EINVAL;
 	}
-	strncpy(txselect_list, str, ARRAY_SIZE(txselect_list) - 1);
+	strscpy(txselect_list, str, sizeof(txselect_list));
 
 	xa_for_each(&qib_dev_table, index, dd)
 		if (dd->deviceid == PCI_DEVICE_ID_QLOGIC_IB_7322)
diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.h b/drivers/infiniband/hw/usnic/usnic_uiom.h
index 5a9acf9415..70d51d919d 100644
--- a/drivers/infiniband/hw/usnic/usnic_uiom.h
+++ b/drivers/infiniband/hw/usnic/usnic_uiom.h
@@ -77,7 +77,7 @@ struct usnic_uiom_reg {
 struct usnic_uiom_chunk {
 	struct list_head		list;
 	int				nents;
-	struct scatterlist		page_list[];
+	struct scatterlist		page_list[] __counted_by(nents);
 };
 
 struct usnic_uiom_pd *usnic_uiom_alloc_pd(struct device *dev);
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
index 343288b027..a5e8818517 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
@@ -1021,10 +1021,8 @@ err_free_intrs:
 	pvrdma_free_irq(dev);
 	pci_free_irq_vectors(pdev);
 err_free_cq_ring:
-	if (dev->netdev) {
-		dev_put(dev->netdev);
-		dev->netdev = NULL;
-	}
+	dev_put(dev->netdev);
+	dev->netdev = NULL;
 	pvrdma_page_dir_cleanup(dev, &dev->cq_pdir);
 err_free_async_ring:
 	pvrdma_page_dir_cleanup(dev, &dev->async_pdir);
@@ -1064,10 +1062,8 @@ static void pvrdma_pci_remove(struct pci_dev *pdev)
 
 	flush_workqueue(event_wq);
 
-	if (dev->netdev) {
-		dev_put(dev->netdev);
-		dev->netdev = NULL;
-	}
+	dev_put(dev->netdev);
+	dev->netdev = NULL;
 
 	/* Unregister ib device */
 	ib_unregister_device(&dev->ib_dev);