18 files changed, 3008 insertions, 100 deletions

diff --git a/drivers/net/ethernet/qlogic/qed/Makefile b/drivers/net/ethernet/qlogic/qed/Makefile
index 67452380b60e..82dd47068e18 100644
--- a/drivers/net/ethernet/qlogic/qed/Makefile
+++ b/drivers/net/ethernet/qlogic/qed/Makefile
@@ -5,6 +5,6 @@ qed-y := qed_cxt.o qed_dev.o qed_hw.o qed_init_fw_funcs.o qed_init_ops.o \
 	 qed_selftest.o qed_dcbx.o qed_debug.o qed_ptp.o
 qed-$(CONFIG_QED_SRIOV) += qed_sriov.o qed_vf.o
 qed-$(CONFIG_QED_LL2) += qed_ll2.o
-qed-$(CONFIG_QED_RDMA) += qed_roce.o qed_rdma.o
+qed-$(CONFIG_QED_RDMA) += qed_roce.o qed_rdma.o qed_iwarp.o
 qed-$(CONFIG_QED_ISCSI) += qed_iscsi.o qed_ooo.o
 qed-$(CONFIG_QED_FCOE) += qed_fcoe.o
diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h
index 14b08ee9e3ad..91003bc6f00b 100644
--- a/drivers/net/ethernet/qlogic/qed/qed.h
+++ b/drivers/net/ethernet/qlogic/qed/qed.h
@@ -210,14 +210,16 @@ struct qed_tunn_update_params {
 
 /* The PCI personality is not quite synonymous to protocol ID:
  * 1. All personalities need CORE connections
- * 2. The Ethernet personality may support also the RoCE protocol
+ * 2. The Ethernet personality may support also the RoCE/iWARP protocol
  */
 enum qed_pci_personality {
 	QED_PCI_ETH,
 	QED_PCI_FCOE,
 	QED_PCI_ISCSI,
 	QED_PCI_ETH_ROCE,
-	QED_PCI_DEFAULT /* default in shmem */
+	QED_PCI_ETH_IWARP,
+	QED_PCI_ETH_RDMA,
+	QED_PCI_DEFAULT, /* default in shmem */
 };
 
 /* All VFs are symmetric, all counters are PF + all VFs */
@@ -277,6 +279,7 @@ enum qed_dev_cap {
 	QED_DEV_CAP_FCOE,
 	QED_DEV_CAP_ISCSI,
 	QED_DEV_CAP_ROCE,
+	QED_DEV_CAP_IWARP,
 };
 
 enum qed_wol_support {
@@ -286,7 +289,24 @@ enum qed_wol_support {
 
 struct qed_hw_info {
 	/* PCI personality */
-	enum qed_pci_personality	personality;
+	enum qed_pci_personality personality;
+#define QED_IS_RDMA_PERSONALITY(dev)			    \
+	((dev)->hw_info.personality == QED_PCI_ETH_ROCE ||  \
+	 (dev)->hw_info.personality == QED_PCI_ETH_IWARP || \
+	 (dev)->hw_info.personality == QED_PCI_ETH_RDMA)
+#define QED_IS_ROCE_PERSONALITY(dev)			   \
+	((dev)->hw_info.personality == QED_PCI_ETH_ROCE || \
+	 (dev)->hw_info.personality == QED_PCI_ETH_RDMA)
+#define QED_IS_IWARP_PERSONALITY(dev)			    \
+	((dev)->hw_info.personality == QED_PCI_ETH_IWARP || \
+	 (dev)->hw_info.personality == QED_PCI_ETH_RDMA)
+#define QED_IS_L2_PERSONALITY(dev)		      \
+	((dev)->hw_info.personality == QED_PCI_ETH || \
+	 QED_IS_RDMA_PERSONALITY(dev))
+#define QED_IS_FCOE_PERSONALITY(dev) \
+	((dev)->hw_info.personality == QED_PCI_FCOE)
+#define QED_IS_ISCSI_PERSONALITY(dev) \
+	((dev)->hw_info.personality == QED_PCI_ISCSI)
 
 	/* Resource Allocation scheme results */
 	u32				resc_start[QED_MAX_RESC];
@@ -759,7 +779,7 @@ static inline u8 qed_concrete_to_sw_fid(struct qed_dev *cdev,
 }
 
 #define PURE_LB_TC 8
-#define OOO_LB_TC 9
+#define PKT_LB_TC 9
 
 int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate);
 void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev,
@@ -769,6 +789,8 @@ void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev,
 void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
 int qed_device_num_engines(struct qed_dev *cdev);
 int qed_device_get_port_id(struct qed_dev *cdev);
+void qed_set_fw_mac_addr(__le16 *fw_msb,
+			 __le16 *fw_mid, __le16 *fw_lsb, u8 *mac);
 
 #define QED_LEADING_HWFN(dev)   (&dev->hwfns[0])
 
diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c
index e201214764db..af106be8cc08 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c
@@ -246,14 +246,16 @@ struct qed_cxt_mngr {
 static bool src_proto(enum protocol_type type)
 {
 	return type == PROTOCOLID_ISCSI ||
-	       type == PROTOCOLID_FCOE;
+	       type == PROTOCOLID_FCOE ||
+	       type == PROTOCOLID_IWARP;
 }
 
 static bool tm_cid_proto(enum protocol_type type)
 {
 	return type == PROTOCOLID_ISCSI ||
 	       type == PROTOCOLID_FCOE ||
-	       type == PROTOCOLID_ROCE;
+	       type == PROTOCOLID_ROCE ||
+	       type == PROTOCOLID_IWARP;
 }
 
 static bool tm_tid_proto(enum protocol_type type)
@@ -853,7 +855,7 @@ u32 qed_cxt_cfg_ilt_compute_excess(struct qed_hwfn *p_hwfn, u32 used_lines)
 	if (!excess_lines)
 		return 0;
 
-	if (p_hwfn->hw_info.personality != QED_PCI_ETH_ROCE)
+	if (!QED_IS_RDMA_PERSONALITY(p_hwfn))
 		return 0;
 
 	p_mngr = p_hwfn->p_cxt_mngr;
@@ -1033,7 +1035,7 @@ static int qed_ilt_blk_alloc(struct qed_hwfn *p_hwfn,
 	u32 lines, line, sz_left, lines_to_skip = 0;
 
 	/* Special handling for RoCE that supports dynamic allocation */
-	if ((p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE) &&
+	if (QED_IS_RDMA_PERSONALITY(p_hwfn) &&
 	    ((ilt_client == ILT_CLI_CDUT) || ilt_client == ILT_CLI_TSDM))
 		return 0;
 
@@ -1833,7 +1835,7 @@ static void qed_tm_init_pf(struct qed_hwfn *p_hwfn)
 		tm_offset += tm_iids.pf_tids[i];
 	}
 
-	if (p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE)
+	if (QED_IS_RDMA_PERSONALITY(p_hwfn))
 		active_seg_mask = 0;
 
 	STORE_RT_REG(p_hwfn, TM_REG_PF_ENABLE_TASK_RT_OFFSET, active_seg_mask);
@@ -2068,6 +2070,11 @@ static void qed_rdma_set_pf_params(struct qed_hwfn *p_hwfn,
 	num_srqs = min_t(u32, 32 * 1024, p_params->num_srqs);
 
 	switch (p_hwfn->hw_info.personality) {
+	case QED_PCI_ETH_IWARP:
+		/* Each QP requires one connection */
+		num_cons = min_t(u32, IWARP_MAX_QPS, p_params->num_qps);
+		proto = PROTOCOLID_IWARP;
+		break;
 	case QED_PCI_ETH_ROCE:
 		num_qps = min_t(u32, ROCE_MAX_QPS, p_params->num_qps);
 		num_cons = num_qps * 2;	/* each QP requires two connections */
@@ -2103,6 +2110,8 @@ int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks)
 	qed_cxt_set_proto_cid_count(p_hwfn, PROTOCOLID_CORE, core_cids, 0);
 
 	switch (p_hwfn->hw_info.personality) {
+	case QED_PCI_ETH_RDMA:
+	case QED_PCI_ETH_IWARP:
 	case QED_PCI_ETH_ROCE:
 	{
 			qed_rdma_set_pf_params(p_hwfn,
@@ -2344,7 +2353,7 @@ qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn,
 		       last_cid_allocated - 1);
 
 		if (!p_hwfn->b_rdma_enabled_in_prs) {
-			/* Enable RoCE search */
+			/* Enable RDMA search */
 			qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 1);
 			p_hwfn->b_rdma_enabled_in_prs = true;
 		}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 49667ad9042d..6c87bed13bd2 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -216,6 +216,10 @@ static u32 qed_get_pq_flags(struct qed_hwfn *p_hwfn)
 	case QED_PCI_ETH_ROCE:
 		flags |= PQ_FLAGS_MCOS | PQ_FLAGS_OFLD | PQ_FLAGS_LLT;
 		break;
+	case QED_PCI_ETH_IWARP:
+		flags |= PQ_FLAGS_MCOS | PQ_FLAGS_ACK | PQ_FLAGS_OOO |
+		    PQ_FLAGS_OFLD;
+		break;
 	default:
 		DP_ERR(p_hwfn,
 		       "unknown personality %d\n", p_hwfn->hw_info.personality);
@@ -936,9 +940,16 @@ int qed_resc_alloc(struct qed_dev *cdev)
 
 		/* EQ */
 		n_eqes = qed_chain_get_capacity(&p_hwfn->p_spq->chain);
-		if (p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE) {
+		if (QED_IS_RDMA_PERSONALITY(p_hwfn)) {
+			enum protocol_type rdma_proto;
+
+			if (QED_IS_ROCE_PERSONALITY(p_hwfn))
+				rdma_proto = PROTOCOLID_ROCE;
+			else
+				rdma_proto = PROTOCOLID_IWARP;
+
 			num_cons = qed_cxt_get_proto_cid_count(p_hwfn,
-							       PROTOCOLID_ROCE,
+							       rdma_proto,
 							       NULL) * 2;
 			n_eqes += num_cons + 2 * MAX_NUM_VFS_BB;
 		} else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
@@ -2057,7 +2068,7 @@ static void qed_hw_set_feat(struct qed_hwfn *p_hwfn)
 	qed_int_get_num_sbs(p_hwfn, &sb_cnt);
 
 	if (IS_ENABLED(CONFIG_QED_RDMA) &&
-	    p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE) {
+	    QED_IS_RDMA_PERSONALITY(p_hwfn)) {
 		/* Roce CNQ each requires: 1 status block + 1 CNQ. We divide
 		 * the status blocks equally between L2 / RoCE but with
 		 * consideration as to how many l2 queues / cnqs we have.
@@ -2068,9 +2079,7 @@ static void qed_hw_set_feat(struct qed_hwfn *p_hwfn)
 
 		non_l2_sbs = feat_num[QED_RDMA_CNQ];
 	}
-
-	if (p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE ||
-	    p_hwfn->hw_info.personality == QED_PCI_ETH) {
+	if (QED_IS_L2_PERSONALITY(p_hwfn)) {
 		/* Start by allocating VF queues, then PF's */
 		feat_num[QED_VF_L2_QUE] = min_t(u32,
 						RESC_NUM(p_hwfn, QED_L2_QUEUE),
@@ -2083,12 +2092,12 @@ static void qed_hw_set_feat(struct qed_hwfn *p_hwfn)
 							 QED_VF_L2_QUE));
 	}
 
-	if (p_hwfn->hw_info.personality == QED_PCI_FCOE)
+	if (QED_IS_FCOE_PERSONALITY(p_hwfn))
 		feat_num[QED_FCOE_CQ] =  min_t(u32, sb_cnt.cnt,
 					       RESC_NUM(p_hwfn,
 							QED_CMDQS_CQS));
 
-	if (p_hwfn->hw_info.personality == QED_PCI_ISCSI)
+	if (QED_IS_ISCSI_PERSONALITY(p_hwfn))
 		feat_num[QED_ISCSI_CQ] = min_t(u32, sb_cnt.cnt,
 					       RESC_NUM(p_hwfn,
 							QED_CMDQS_CQS));
@@ -4122,3 +4131,14 @@ int qed_device_get_port_id(struct qed_dev *cdev)
 {
 	return (QED_LEADING_HWFN(cdev)->abs_pf_id) % qed_device_num_ports(cdev);
 }
+
+void qed_set_fw_mac_addr(__le16 *fw_msb,
+			 __le16 *fw_mid, __le16 *fw_lsb, u8 *mac)
+{
+	((u8 *)fw_msb)[0] = mac[1];
+	((u8 *)fw_msb)[1] = mac[0];
+	((u8 *)fw_mid)[0] = mac[3];
+	((u8 *)fw_mid)[1] = mac[2];
+	((u8 *)fw_lsb)[0] = mac[5];
+	((u8 *)fw_lsb)[1] = mac[4];
+}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
index 3bf3614b3084..31fb0bffa098 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_hsi.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
@@ -46,6 +46,7 @@
 #include <linux/qed/fcoe_common.h>
 #include <linux/qed/eth_common.h>
 #include <linux/qed/iscsi_common.h>
+#include <linux/qed/iwarp_common.h>
 #include <linux/qed/rdma_common.h>
 #include <linux/qed/roce_common.h>
 #include <linux/qed/qed_fcoe_if.h>
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
new file mode 100644
index 000000000000..5cd20da2d4e0
--- /dev/null
+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
@@ -0,0 +1,2409 @@
+/* QLogic qed NIC Driver
+ * Copyright (c) 2015-2017  QLogic Corporation
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and /or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/spinlock.h>
+#include <linux/tcp.h>
+#include "qed_cxt.h"
+#include "qed_hw.h"
+#include "qed_ll2.h"
+#include "qed_rdma.h"
+#include "qed_reg_addr.h"
+#include "qed_sp.h"
+
+#define QED_IWARP_ORD_DEFAULT		32
+#define QED_IWARP_IRD_DEFAULT		32
+#define QED_IWARP_MAX_FW_MSS		4120
+
+#define QED_EP_SIG 0xecabcdef
+
+struct mpa_v2_hdr {
+	__be16 ird;
+	__be16 ord;
+};
+
+#define MPA_V2_PEER2PEER_MODEL  0x8000
+#define MPA_V2_SEND_RTR         0x4000	/* on ird */
+#define MPA_V2_READ_RTR         0x4000	/* on ord */
+#define MPA_V2_WRITE_RTR        0x8000
+#define MPA_V2_IRD_ORD_MASK     0x3FFF
+
+#define MPA_REV2(_mpa_rev) ((_mpa_rev) == MPA_NEGOTIATION_TYPE_ENHANCED)
+
+#define QED_IWARP_INVALID_TCP_CID	0xffffffff
+#define QED_IWARP_RCV_WND_SIZE_DEF	(256 * 1024)
+#define QED_IWARP_RCV_WND_SIZE_MIN	(64 * 1024)
+#define TIMESTAMP_HEADER_SIZE		(12)
+
+#define QED_IWARP_TS_EN			BIT(0)
+#define QED_IWARP_DA_EN			BIT(1)
+#define QED_IWARP_PARAM_CRC_NEEDED	(1)
+#define QED_IWARP_PARAM_P2P		(1)
+
+static int qed_iwarp_async_event(struct qed_hwfn *p_hwfn,
+				 u8 fw_event_code, u16 echo,
+				 union event_ring_data *data,
+				 u8 fw_return_code);
+
+/* Override devinfo with iWARP specific values */
+void qed_iwarp_init_devinfo(struct qed_hwfn *p_hwfn)
+{
+	struct qed_rdma_device *dev = p_hwfn->p_rdma_info->dev;
+
+	dev->max_inline = IWARP_REQ_MAX_INLINE_DATA_SIZE;
+	dev->max_qp = min_t(u32,
+			    IWARP_MAX_QPS,
+			    p_hwfn->p_rdma_info->num_qps) -
+		      QED_IWARP_PREALLOC_CNT;
+
+	dev->max_cq = dev->max_qp;
+
+	dev->max_qp_resp_rd_atomic_resc = QED_IWARP_IRD_DEFAULT;
+	dev->max_qp_req_rd_atomic_resc = QED_IWARP_ORD_DEFAULT;
+}
+
+void qed_iwarp_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
+{
+	p_hwfn->rdma_prs_search_reg = PRS_REG_SEARCH_TCP;
+	qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 1);
+	p_hwfn->b_rdma_enabled_in_prs = true;
+}
+
+/* We have two cid maps, one for tcp which should be used only from passive
+ * syn processing and replacing a pre-allocated ep in the list. The second
+ * for active tcp and for QPs.
+ */
+static void qed_iwarp_cid_cleaned(struct qed_hwfn *p_hwfn, u32 cid)
+{
+	cid -= qed_cxt_get_proto_cid_start(p_hwfn, p_hwfn->p_rdma_info->proto);
+
+	spin_lock_bh(&p_hwfn->p_rdma_info->lock);
+
+	if (cid < QED_IWARP_PREALLOC_CNT)
+		qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->tcp_cid_map,
+				    cid);
+	else
+		qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, cid);
+
+	spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
+}
+
+static int qed_iwarp_alloc_cid(struct qed_hwfn *p_hwfn, u32 *cid)
+{
+	int rc;
+
+	spin_lock_bh(&p_hwfn->p_rdma_info->lock);
+	rc = qed_rdma_bmap_alloc_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, cid);
+	spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
+	if (rc) {
+		DP_NOTICE(p_hwfn, "Failed in allocating iwarp cid\n");
+		return rc;
+	}
+	*cid += qed_cxt_get_proto_cid_start(p_hwfn, p_hwfn->p_rdma_info->proto);
+
+	rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, QED_ELEM_CXT, *cid);
+	if (rc)
+		qed_iwarp_cid_cleaned(p_hwfn, *cid);
+
+	return rc;
+}
+
+static void qed_iwarp_set_tcp_cid(struct qed_hwfn *p_hwfn, u32 cid)
+{
+	cid -= qed_cxt_get_proto_cid_start(p_hwfn, p_hwfn->p_rdma_info->proto);
+
+	spin_lock_bh(&p_hwfn->p_rdma_info->lock);
+	qed_bmap_set_id(p_hwfn, &p_hwfn->p_rdma_info->tcp_cid_map, cid);
+	spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
+}
+
+/* This function allocates a cid for passive tcp (called from syn receive)
+ * the reason it's separate from the regular cid allocation is because it
+ * is assured that these cids already have ilt allocated. They are preallocated
+ * to ensure that we won't need to allocate memory during syn processing
+ */
+static int qed_iwarp_alloc_tcp_cid(struct qed_hwfn *p_hwfn, u32 *cid)
+{
+	int rc;
+
+	spin_lock_bh(&p_hwfn->p_rdma_info->lock);
+
+	rc = qed_rdma_bmap_alloc_id(p_hwfn,
+				    &p_hwfn->p_rdma_info->tcp_cid_map, cid);
+
+	spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
+
+	if (rc) {
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+			   "can't allocate iwarp tcp cid max-count=%d\n",
+			   p_hwfn->p_rdma_info->tcp_cid_map.max_count);
+
+		*cid = QED_IWARP_INVALID_TCP_CID;
+		return rc;
+	}
+
+	*cid += qed_cxt_get_proto_cid_start(p_hwfn,
+					    p_hwfn->p_rdma_info->proto);
+	return 0;
+}
+
+int qed_iwarp_create_qp(struct qed_hwfn *p_hwfn,
+			struct qed_rdma_qp *qp,
+			struct qed_rdma_create_qp_out_params *out_params)
+{
+	struct iwarp_create_qp_ramrod_data *p_ramrod;
+	struct qed_sp_init_data init_data;
+	struct qed_spq_entry *p_ent;
+	u16 physical_queue;
+	u32 cid;
+	int rc;
+
+	qp->shared_queue = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
+					      IWARP_SHARED_QUEUE_PAGE_SIZE,
+					      &qp->shared_queue_phys_addr,
+					      GFP_KERNEL);
+	if (!qp->shared_queue)
+		return -ENOMEM;
+
+	out_params->sq_pbl_virt = (u8 *)qp->shared_queue +
+	    IWARP_SHARED_QUEUE_PAGE_SQ_PBL_OFFSET;
+	out_params->sq_pbl_phys = qp->shared_queue_phys_addr +
+	    IWARP_SHARED_QUEUE_PAGE_SQ_PBL_OFFSET;
+	out_params->rq_pbl_virt = (u8 *)qp->shared_queue +
+	    IWARP_SHARED_QUEUE_PAGE_RQ_PBL_OFFSET;
+	out_params->rq_pbl_phys = qp->shared_queue_phys_addr +
+	    IWARP_SHARED_QUEUE_PAGE_RQ_PBL_OFFSET;
+
+	rc = qed_iwarp_alloc_cid(p_hwfn, &cid);
+	if (rc)
+		goto err1;
+
+	qp->icid = (u16)cid;
+
+	memset(&init_data, 0, sizeof(init_data));
+	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
+	init_data.cid = qp->icid;
+	init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
+
+	rc = qed_sp_init_request(p_hwfn, &p_ent,
+				 IWARP_RAMROD_CMD_ID_CREATE_QP,
+				 PROTOCOLID_IWARP, &init_data);
+	if (rc)
+		goto err2;
+
+	p_ramrod = &p_ent->ramrod.iwarp_create_qp;
+
+	SET_FIELD(p_ramrod->flags,
+		  IWARP_CREATE_QP_RAMROD_DATA_FMR_AND_RESERVED_EN,
+		  qp->fmr_and_reserved_lkey);
+
+	SET_FIELD(p_ramrod->flags,
+		  IWARP_CREATE_QP_RAMROD_DATA_SIGNALED_COMP, qp->signal_all);
+
+	SET_FIELD(p_ramrod->flags,
+		  IWARP_CREATE_QP_RAMROD_DATA_RDMA_RD_EN,
+		  qp->incoming_rdma_read_en);
+
+	SET_FIELD(p_ramrod->flags,
+		  IWARP_CREATE_QP_RAMROD_DATA_RDMA_WR_EN,
+		  qp->incoming_rdma_write_en);
+
+	SET_FIELD(p_ramrod->flags,
+		  IWARP_CREATE_QP_RAMROD_DATA_ATOMIC_EN,
+		  qp->incoming_atomic_en);
+
+	SET_FIELD(p_ramrod->flags,
+		  IWARP_CREATE_QP_RAMROD_DATA_SRQ_FLG, qp->use_srq);
+
+	p_ramrod->pd = qp->pd;
+	p_ramrod->sq_num_pages = qp->sq_num_pages;
+	p_ramrod->rq_num_pages = qp->rq_num_pages;
+
+	p_ramrod->qp_handle_for_cqe.hi = cpu_to_le32(qp->qp_handle.hi);
+	p_ramrod->qp_handle_for_cqe.lo = cpu_to_le32(qp->qp_handle.lo);
+
+	p_ramrod->cq_cid_for_sq =
+	    cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) | qp->sq_cq_id);
+	p_ramrod->cq_cid_for_rq =
+	    cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) | qp->rq_cq_id);
+
+	p_ramrod->dpi = cpu_to_le16(qp->dpi);
+
+	physical_queue = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
+	p_ramrod->physical_q0 = cpu_to_le16(physical_queue);
+	physical_queue = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_ACK);
+	p_ramrod->physical_q1 = cpu_to_le16(physical_queue);
+
+	rc = qed_spq_post(p_hwfn, p_ent, NULL);
+	if (rc)
+		goto err2;
+
+	return rc;
+
+err2:
+	qed_iwarp_cid_cleaned(p_hwfn, cid);
+err1:
+	dma_free_coherent(&p_hwfn->cdev->pdev->dev,
+			  IWARP_SHARED_QUEUE_PAGE_SIZE,
+			  qp->shared_queue, qp->shared_queue_phys_addr);
+
+	return rc;
+}
+
+static int qed_iwarp_modify_fw(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp)
+{
+	struct iwarp_modify_qp_ramrod_data *p_ramrod;
+	struct qed_sp_init_data init_data;
+	struct qed_spq_entry *p_ent;
+	int rc;
+
+	/* Get SPQ entry */
+	memset(&init_data, 0, sizeof(init_data));
+	init_data.cid = qp->icid;
+	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
+	init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
+
+	rc = qed_sp_init_request(p_hwfn, &p_ent,
+				 IWARP_RAMROD_CMD_ID_MODIFY_QP,
+				 p_hwfn->p_rdma_info->proto, &init_data);
+	if (rc)
+		return rc;
+
+	p_ramrod = &p_ent->ramrod.iwarp_modify_qp;
+	SET_FIELD(p_ramrod->flags, IWARP_MODIFY_QP_RAMROD_DATA_STATE_TRANS_EN,
+		  0x1);
+	if (qp->iwarp_state == QED_IWARP_QP_STATE_CLOSING)
+		p_ramrod->transition_to_state = IWARP_MODIFY_QP_STATE_CLOSING;
+	else
+		p_ramrod->transition_to_state = IWARP_MODIFY_QP_STATE_ERROR;
+
+	rc = qed_spq_post(p_hwfn, p_ent, NULL);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "QP(0x%x)rc=%d\n", qp->icid, rc);
+
+	return rc;
+}
+
+enum qed_iwarp_qp_state qed_roce2iwarp_state(enum qed_roce_qp_state state)
+{
+	switch (state) {
+	case QED_ROCE_QP_STATE_RESET:
+	case QED_ROCE_QP_STATE_INIT:
+	case QED_ROCE_QP_STATE_RTR:
+		return QED_IWARP_QP_STATE_IDLE;
+	case QED_ROCE_QP_STATE_RTS:
+		return QED_IWARP_QP_STATE_RTS;
+	case QED_ROCE_QP_STATE_SQD:
+		return QED_IWARP_QP_STATE_CLOSING;
+	case QED_ROCE_QP_STATE_ERR:
+		return QED_IWARP_QP_STATE_ERROR;
+	case QED_ROCE_QP_STATE_SQE:
+		return QED_IWARP_QP_STATE_TERMINATE;
+	default:
+		return QED_IWARP_QP_STATE_ERROR;
+	}
+}
+
+static enum qed_roce_qp_state
+qed_iwarp2roce_state(enum qed_iwarp_qp_state state)
+{
+	switch (state) {
+	case QED_IWARP_QP_STATE_IDLE:
+		return QED_ROCE_QP_STATE_INIT;
+	case QED_IWARP_QP_STATE_RTS:
+		return QED_ROCE_QP_STATE_RTS;
+	case QED_IWARP_QP_STATE_TERMINATE:
+		return QED_ROCE_QP_STATE_SQE;
+	case QED_IWARP_QP_STATE_CLOSING:
+		return QED_ROCE_QP_STATE_SQD;
+	case QED_IWARP_QP_STATE_ERROR:
+		return QED_ROCE_QP_STATE_ERR;
+	default:
+		return QED_ROCE_QP_STATE_ERR;
+	}
+}
+
+const char *iwarp_state_names[] = {
+	"IDLE",
+	"RTS",
+	"TERMINATE",
+	"CLOSING",
+	"ERROR",
+};
+
+int
+qed_iwarp_modify_qp(struct qed_hwfn *p_hwfn,
+		    struct qed_rdma_qp *qp,
+		    enum qed_iwarp_qp_state new_state, bool internal)
+{
+	enum qed_iwarp_qp_state prev_iw_state;
+	bool modify_fw = false;
+	int rc = 0;
+
+	/* modify QP can be called from upper-layer or as a result of async
+	 * RST/FIN... therefore need to protect
+	 */
+	spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.qp_lock);
+	prev_iw_state = qp->iwarp_state;
+
+	if (prev_iw_state == new_state) {
+		spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.qp_lock);
+		return 0;
+	}
+
+	switch (prev_iw_state) {
+	case QED_IWARP_QP_STATE_IDLE:
+		switch (new_state) {
+		case QED_IWARP_QP_STATE_RTS:
+			qp->iwarp_state = QED_IWARP_QP_STATE_RTS;
+			break;
+		case QED_IWARP_QP_STATE_ERROR:
+			qp->iwarp_state = QED_IWARP_QP_STATE_ERROR;
+			if (!internal)
+				modify_fw = true;
+			break;
+		default:
+			break;
+		}
+		break;
+	case QED_IWARP_QP_STATE_RTS:
+		switch (new_state) {
+		case QED_IWARP_QP_STATE_CLOSING:
+			if (!internal)
+				modify_fw = true;
+
+			qp->iwarp_state = QED_IWARP_QP_STATE_CLOSING;
+			break;
+		case QED_IWARP_QP_STATE_ERROR:
+			if (!internal)
+				modify_fw = true;
+			qp->iwarp_state = QED_IWARP_QP_STATE_ERROR;
+			break;
+		default:
+			break;
+		}
+		break;
+	case QED_IWARP_QP_STATE_ERROR:
+		switch (new_state) {
+		case QED_IWARP_QP_STATE_IDLE:
+
+			qp->iwarp_state = new_state;
+			break;
+		case QED_IWARP_QP_STATE_CLOSING:
+			/* could happen due to race... do nothing.... */
+			break;
+		default:
+			rc = -EINVAL;
+		}
+		break;
+	case QED_IWARP_QP_STATE_TERMINATE:
+	case QED_IWARP_QP_STATE_CLOSING:
+		qp->iwarp_state = new_state;
+		break;
+	default:
+		break;
+	}
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "QP(0x%x) %s --> %s%s\n",
+		   qp->icid,
+		   iwarp_state_names[prev_iw_state],
+		   iwarp_state_names[qp->iwarp_state],
+		   internal ? "internal" : "");
+
+	spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.qp_lock);
+
+	if (modify_fw)
+		rc = qed_iwarp_modify_fw(p_hwfn, qp);
+
+	return rc;
+}
+
+int qed_iwarp_fw_destroy(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp)
+{
+	struct qed_sp_init_data init_data;
+	struct qed_spq_entry *p_ent;
+	int rc;
+
+	/* Get SPQ entry */
+	memset(&init_data, 0, sizeof(init_data));
+	init_data.cid = qp->icid;
+	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
+	init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
+
+	rc = qed_sp_init_request(p_hwfn, &p_ent,
+				 IWARP_RAMROD_CMD_ID_DESTROY_QP,
+				 p_hwfn->p_rdma_info->proto, &init_data);
+	if (rc)
+		return rc;
+
+	rc = qed_spq_post(p_hwfn, p_ent, NULL);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "QP(0x%x) rc = %d\n", qp->icid, rc);
+
+	return rc;
+}
+
+static void qed_iwarp_destroy_ep(struct qed_hwfn *p_hwfn,
+				 struct qed_iwarp_ep *ep,
+				 bool remove_from_active_list)
+{
+	dma_free_coherent(&p_hwfn->cdev->pdev->dev,
+			  sizeof(*ep->ep_buffer_virt),
+			  ep->ep_buffer_virt, ep->ep_buffer_phys);
+
+	if (remove_from_active_list) {
+		spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+		list_del(&ep->list_entry);
+		spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+	}
+
+	if (ep->qp)
+		ep->qp->ep = NULL;
+
+	kfree(ep);
+}
+
+int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp)
+{
+	struct qed_iwarp_ep *ep = qp->ep;
+	int wait_count = 0;
+	int rc = 0;
+
+	if (qp->iwarp_state != QED_IWARP_QP_STATE_ERROR) {
+		rc = qed_iwarp_modify_qp(p_hwfn, qp,
+					 QED_IWARP_QP_STATE_ERROR, false);
+		if (rc)
+			return rc;
+	}
+
+	/* Make sure ep is closed before returning and freeing memory. */
+	if (ep) {
+		while (ep->state != QED_IWARP_EP_CLOSED && wait_count++ < 200)
+			msleep(100);
+
+		if (ep->state != QED_IWARP_EP_CLOSED)
+			DP_NOTICE(p_hwfn, "ep state close timeout state=%x\n",
+				  ep->state);
+
+		qed_iwarp_destroy_ep(p_hwfn, ep, false);
+	}
+
+	rc = qed_iwarp_fw_destroy(p_hwfn, qp);
+
+	if (qp->shared_queue)
+		dma_free_coherent(&p_hwfn->cdev->pdev->dev,
+				  IWARP_SHARED_QUEUE_PAGE_SIZE,
+				  qp->shared_queue, qp->shared_queue_phys_addr);
+
+	return rc;
+}
+
+static int
+qed_iwarp_create_ep(struct qed_hwfn *p_hwfn, struct qed_iwarp_ep **ep_out)
+{
+	struct qed_iwarp_ep *ep;
+	int rc;
+
+	ep = kzalloc(sizeof(*ep), GFP_KERNEL);
+	if (!ep)
+		return -ENOMEM;
+
+	ep->state = QED_IWARP_EP_INIT;
+
+	ep->ep_buffer_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
+						sizeof(*ep->ep_buffer_virt),
+						&ep->ep_buffer_phys,
+						GFP_KERNEL);
+	if (!ep->ep_buffer_virt) {
+		rc = -ENOMEM;
+		goto err;
+	}
+
+	ep->sig = QED_EP_SIG;
+
+	*ep_out = ep;
+
+	return 0;
+
+err:
+	kfree(ep);
+	return rc;
+}
+
+static void
+qed_iwarp_print_tcp_ramrod(struct qed_hwfn *p_hwfn,
+			   struct iwarp_tcp_offload_ramrod_data *p_tcp_ramrod)
+{
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "local_mac=%x %x %x, remote_mac=%x %x %x\n",
+		   p_tcp_ramrod->tcp.local_mac_addr_lo,
+		   p_tcp_ramrod->tcp.local_mac_addr_mid,
+		   p_tcp_ramrod->tcp.local_mac_addr_hi,
+		   p_tcp_ramrod->tcp.remote_mac_addr_lo,
+		   p_tcp_ramrod->tcp.remote_mac_addr_mid,
+		   p_tcp_ramrod->tcp.remote_mac_addr_hi);
+
+	if (p_tcp_ramrod->tcp.ip_version == TCP_IPV4) {
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+			   "local_ip=%pI4h:%x, remote_ip=%pI4h%x, vlan=%x\n",
+			   p_tcp_ramrod->tcp.local_ip,
+			   p_tcp_ramrod->tcp.local_port,
+			   p_tcp_ramrod->tcp.remote_ip,
+			   p_tcp_ramrod->tcp.remote_port,
+			   p_tcp_ramrod->tcp.vlan_id);
+	} else {
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+			   "local_ip=%pI6h:%x, remote_ip=%pI6h:%x, vlan=%x\n",
+			   p_tcp_ramrod->tcp.local_ip,
+			   p_tcp_ramrod->tcp.local_port,
+			   p_tcp_ramrod->tcp.remote_ip,
+			   p_tcp_ramrod->tcp.remote_port,
+			   p_tcp_ramrod->tcp.vlan_id);
+	}
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+		   "flow_label=%x, ttl=%x, tos_or_tc=%x, mss=%x, rcv_wnd_scale=%x, connect_mode=%x, flags=%x\n",
+		   p_tcp_ramrod->tcp.flow_label,
+		   p_tcp_ramrod->tcp.ttl,
+		   p_tcp_ramrod->tcp.tos_or_tc,
+		   p_tcp_ramrod->tcp.mss,
+		   p_tcp_ramrod->tcp.rcv_wnd_scale,
+		   p_tcp_ramrod->tcp.connect_mode,
+		   p_tcp_ramrod->tcp.flags);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "syn_ip_payload_length=%x, lo=%x, hi=%x\n",
+		   p_tcp_ramrod->tcp.syn_ip_payload_length,
+		   p_tcp_ramrod->tcp.syn_phy_addr_lo,
+		   p_tcp_ramrod->tcp.syn_phy_addr_hi);
+}
+
+static int
+qed_iwarp_tcp_offload(struct qed_hwfn *p_hwfn, struct qed_iwarp_ep *ep)
+{
+	struct qed_iwarp_info *iwarp_info = &p_hwfn->p_rdma_info->iwarp;
+	struct iwarp_tcp_offload_ramrod_data *p_tcp_ramrod;
+	struct tcp_offload_params_opt2 *tcp;
+	struct qed_sp_init_data init_data;
+	struct qed_spq_entry *p_ent;
+	dma_addr_t async_output_phys;
+	dma_addr_t in_pdata_phys;
+	u16 physical_q;
+	u8 tcp_flags;
+	int rc;
+	int i;
+
+	memset(&init_data, 0, sizeof(init_data));
+	init_data.cid = ep->tcp_cid;
+	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
+	if (ep->connect_mode == TCP_CONNECT_PASSIVE)
+		init_data.comp_mode = QED_SPQ_MODE_CB;
+	else
+		init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
+
+	rc = qed_sp_init_request(p_hwfn, &p_ent,
+				 IWARP_RAMROD_CMD_ID_TCP_OFFLOAD,
+				 PROTOCOLID_IWARP, &init_data);
+	if (rc)
+		return rc;
+
+	p_tcp_ramrod = &p_ent->ramrod.iwarp_tcp_offload;
+
+	in_pdata_phys = ep->ep_buffer_phys +
+			offsetof(struct qed_iwarp_ep_memory, in_pdata);
+	DMA_REGPAIR_LE(p_tcp_ramrod->iwarp.incoming_ulp_buffer.addr,
+		       in_pdata_phys);
+
+	p_tcp_ramrod->iwarp.incoming_ulp_buffer.len =
+	    cpu_to_le16(sizeof(ep->ep_buffer_virt->in_pdata));
+
+	async_output_phys = ep->ep_buffer_phys +
+			    offsetof(struct qed_iwarp_ep_memory, async_output);
+	DMA_REGPAIR_LE(p_tcp_ramrod->iwarp.async_eqe_output_buf,
+		       async_output_phys);
+
+	p_tcp_ramrod->iwarp.handle_for_async.hi = cpu_to_le32(PTR_HI(ep));
+	p_tcp_ramrod->iwarp.handle_for_async.lo = cpu_to_le32(PTR_LO(ep));
+
+	physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
+	p_tcp_ramrod->iwarp.physical_q0 = cpu_to_le16(physical_q);
+	physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_ACK);
+	p_tcp_ramrod->iwarp.physical_q1 = cpu_to_le16(physical_q);
+	p_tcp_ramrod->iwarp.mpa_mode = iwarp_info->mpa_rev;
+
+	tcp = &p_tcp_ramrod->tcp;
+	qed_set_fw_mac_addr(&tcp->remote_mac_addr_hi,
+			    &tcp->remote_mac_addr_mid,
+			    &tcp->remote_mac_addr_lo, ep->remote_mac_addr);
+	qed_set_fw_mac_addr(&tcp->local_mac_addr_hi, &tcp->local_mac_addr_mid,
+			    &tcp->local_mac_addr_lo, ep->local_mac_addr);
+
+	tcp->vlan_id = cpu_to_le16(ep->cm_info.vlan);
+
+	tcp_flags = p_hwfn->p_rdma_info->iwarp.tcp_flags;
+	tcp->flags = 0;
+	SET_FIELD(tcp->flags, TCP_OFFLOAD_PARAMS_OPT2_TS_EN,
+		  !!(tcp_flags & QED_IWARP_TS_EN));
+
+	SET_FIELD(tcp->flags, TCP_OFFLOAD_PARAMS_OPT2_DA_EN,
+		  !!(tcp_flags & QED_IWARP_DA_EN));
+
+	tcp->ip_version = ep->cm_info.ip_version;
+
+	for (i = 0; i < 4; i++) {
+		tcp->remote_ip[i] = cpu_to_le32(ep->cm_info.remote_ip[i]);
+		tcp->local_ip[i] = cpu_to_le32(ep->cm_info.local_ip[i]);
+	}
+
+	tcp->remote_port = cpu_to_le16(ep->cm_info.remote_port);
+	tcp->local_port = cpu_to_le16(ep->cm_info.local_port);
+	tcp->mss = cpu_to_le16(ep->mss);
+	tcp->flow_label = 0;
+	tcp->ttl = 0x40;
+	tcp->tos_or_tc = 0;
+
+	tcp->rcv_wnd_scale = (u8)p_hwfn->p_rdma_info->iwarp.rcv_wnd_scale;
+	tcp->connect_mode = ep->connect_mode;
+
+	if (ep->connect_mode == TCP_CONNECT_PASSIVE) {
+		tcp->syn_ip_payload_length =
+			cpu_to_le16(ep->syn_ip_payload_length);
+		tcp->syn_phy_addr_hi = DMA_HI_LE(ep->syn_phy_addr);
+		tcp->syn_phy_addr_lo = DMA_LO_LE(ep->syn_phy_addr);
+	}
+
+	qed_iwarp_print_tcp_ramrod(p_hwfn, p_tcp_ramrod);
+
+	rc = qed_spq_post(p_hwfn, p_ent, NULL);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+		   "EP(0x%x) Offload completed rc=%d\n", ep->tcp_cid, rc);
+
+	return rc;
+}
+
+static void
+qed_iwarp_mpa_received(struct qed_hwfn *p_hwfn, struct qed_iwarp_ep *ep)
+{
+	struct qed_iwarp_info *iwarp_info = &p_hwfn->p_rdma_info->iwarp;
+	struct qed_iwarp_cm_event_params params;
+	struct mpa_v2_hdr *mpa_v2;
+	union async_output *async_data;
+	u16 mpa_ord, mpa_ird;
+	u8 mpa_hdr_size = 0;
+	u8 mpa_rev;
+
+	async_data = &ep->ep_buffer_virt->async_output;
+
+	mpa_rev = async_data->mpa_request.mpa_handshake_mode;
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+		   "private_data_len=%x handshake_mode=%x private_data=(%x)\n",
+		   async_data->mpa_request.ulp_data_len,
+		   mpa_rev, *((u32 *)(ep->ep_buffer_virt->in_pdata)));
+
+	if (mpa_rev == MPA_NEGOTIATION_TYPE_ENHANCED) {
+		/* Read ord/ird values from private data buffer */
+		mpa_v2 = (struct mpa_v2_hdr *)ep->ep_buffer_virt->in_pdata;
+		mpa_hdr_size = sizeof(*mpa_v2);
+
+		mpa_ord = ntohs(mpa_v2->ord);
+		mpa_ird = ntohs(mpa_v2->ird);
+
+		/* Temprary store in cm_info incoming ord/ird requested, later
+		 * replace with negotiated value during accept
+		 */
+		ep->cm_info.ord = (u8)min_t(u16,
+					    (mpa_ord & MPA_V2_IRD_ORD_MASK),
+					    QED_IWARP_ORD_DEFAULT);
+
+		ep->cm_info.ird = (u8)min_t(u16,
+					    (mpa_ird & MPA_V2_IRD_ORD_MASK),
+					    QED_IWARP_IRD_DEFAULT);
+
+		/* Peer2Peer negotiation */
+		ep->rtr_type = MPA_RTR_TYPE_NONE;
+		if (mpa_ird & MPA_V2_PEER2PEER_MODEL) {
+			if (mpa_ord & MPA_V2_WRITE_RTR)
+				ep->rtr_type |= MPA_RTR_TYPE_ZERO_WRITE;
+
+			if (mpa_ord & MPA_V2_READ_RTR)
+				ep->rtr_type |= MPA_RTR_TYPE_ZERO_READ;
+
+			if (mpa_ird & MPA_V2_SEND_RTR)
+				ep->rtr_type |= MPA_RTR_TYPE_ZERO_SEND;
+
+			ep->rtr_type &= iwarp_info->rtr_type;
+
+			/* if we're left with no match send our capabilities */
+			if (ep->rtr_type == MPA_RTR_TYPE_NONE)
+				ep->rtr_type = iwarp_info->rtr_type;
+		}
+
+		ep->mpa_rev = MPA_NEGOTIATION_TYPE_ENHANCED;
+	} else {
+		ep->cm_info.ord = QED_IWARP_ORD_DEFAULT;
+		ep->cm_info.ird = QED_IWARP_IRD_DEFAULT;
+		ep->mpa_rev = MPA_NEGOTIATION_TYPE_BASIC;
+	}
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+		   "MPA_NEGOTIATE (v%d): ORD: 0x%x IRD: 0x%x rtr:0x%x ulp_data_len = %x mpa_hdr_size = %x\n",
+		   mpa_rev, ep->cm_info.ord, ep->cm_info.ird, ep->rtr_type,
+		   async_data->mpa_request.ulp_data_len, mpa_hdr_size);
+
+	/* Strip mpa v2 hdr from private data before sending to upper layer */
+	ep->cm_info.private_data = ep->ep_buffer_virt->in_pdata + mpa_hdr_size;
+
+	ep->cm_info.private_data_len = async_data->mpa_request.ulp_data_len -
+				       mpa_hdr_size;
+
+	params.event = QED_IWARP_EVENT_MPA_REQUEST;
+	params.cm_info = &ep->cm_info;
+	params.ep_context = ep;
+	params.status = 0;
+
+	ep->state = QED_IWARP_EP_MPA_REQ_RCVD;
+	ep->event_cb(ep->cb_context, &params);
+}
+
+static int
+qed_iwarp_mpa_offload(struct qed_hwfn *p_hwfn, struct qed_iwarp_ep *ep)
+{
+	struct iwarp_mpa_offload_ramrod_data *p_mpa_ramrod;
+	struct qed_sp_init_data init_data;
+	dma_addr_t async_output_phys;
+	struct qed_spq_entry *p_ent;
+	dma_addr_t out_pdata_phys;
+	dma_addr_t in_pdata_phys;
+	struct qed_rdma_qp *qp;
+	bool reject;
+	int rc;
+
+	if (!ep)
+		return -EINVAL;
+
+	qp = ep->qp;
+	reject = !qp;
+
+	memset(&init_data, 0, sizeof(init_data));
+	init_data.cid = reject ? ep->tcp_cid : qp->icid;
+	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
+
+	if (ep->connect_mode == TCP_CONNECT_ACTIVE)
+		init_data.comp_mode = QED_SPQ_MODE_CB;
+	else
+		init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
+
+	rc = qed_sp_init_request(p_hwfn, &p_ent,
+				 IWARP_RAMROD_CMD_ID_MPA_OFFLOAD,
+				 PROTOCOLID_IWARP, &init_data);
+	if (rc)
+		return rc;
+
+	p_mpa_ramrod = &p_ent->ramrod.iwarp_mpa_offload;
+	out_pdata_phys = ep->ep_buffer_phys +
+			 offsetof(struct qed_iwarp_ep_memory, out_pdata);
+	DMA_REGPAIR_LE(p_mpa_ramrod->common.outgoing_ulp_buffer.addr,
+		       out_pdata_phys);
+	p_mpa_ramrod->common.outgoing_ulp_buffer.len =
+	    ep->cm_info.private_data_len;
+	p_mpa_ramrod->common.crc_needed = p_hwfn->p_rdma_info->iwarp.crc_needed;
+
+	p_mpa_ramrod->common.out_rq.ord = ep->cm_info.ord;
+	p_mpa_ramrod->common.out_rq.ird = ep->cm_info.ird;
+
+	p_mpa_ramrod->tcp_cid = p_hwfn->hw_info.opaque_fid << 16 | ep->tcp_cid;
+
+	in_pdata_phys = ep->ep_buffer_phys +
+			offsetof(struct qed_iwarp_ep_memory, in_pdata);
+	p_mpa_ramrod->tcp_connect_side = ep->connect_mode;
+	DMA_REGPAIR_LE(p_mpa_ramrod->incoming_ulp_buffer.addr,
+		       in_pdata_phys);
+	p_mpa_ramrod->incoming_ulp_buffer.len =
+	    cpu_to_le16(sizeof(ep->ep_buffer_virt->in_pdata));
+	async_output_phys = ep->ep_buffer_phys +
+			    offsetof(struct qed_iwarp_ep_memory, async_output);
+	DMA_REGPAIR_LE(p_mpa_ramrod->async_eqe_output_buf,
+		       async_output_phys);
+	p_mpa_ramrod->handle_for_async.hi = cpu_to_le32(PTR_HI(ep));
+	p_mpa_ramrod->handle_for_async.lo = cpu_to_le32(PTR_LO(ep));
+
+	if (!reject) {
+		DMA_REGPAIR_LE(p_mpa_ramrod->shared_queue_addr,
+			       qp->shared_queue_phys_addr);
+		p_mpa_ramrod->stats_counter_id =
+		    RESC_START(p_hwfn, QED_RDMA_STATS_QUEUE) + qp->stats_queue;
+	} else {
+		p_mpa_ramrod->common.reject = 1;
+	}
+
+	p_mpa_ramrod->mode = ep->mpa_rev;
+	SET_FIELD(p_mpa_ramrod->rtr_pref,
+		  IWARP_MPA_OFFLOAD_RAMROD_DATA_RTR_SUPPORTED, ep->rtr_type);
+
+	ep->state = QED_IWARP_EP_MPA_OFFLOADED;
+	rc = qed_spq_post(p_hwfn, p_ent, NULL);
+	if (!reject)
+		ep->cid = qp->icid;	/* Now they're migrated. */
+
+	DP_VERBOSE(p_hwfn,
+		   QED_MSG_RDMA,
+		   "QP(0x%x) EP(0x%x) MPA Offload rc = %d IRD=0x%x ORD=0x%x rtr_type=%d mpa_rev=%d reject=%d\n",
+		   reject ? 0xffff : qp->icid,
+		   ep->tcp_cid,
+		   rc,
+		   ep->cm_info.ird,
+		   ep->cm_info.ord, ep->rtr_type, ep->mpa_rev, reject);
+	return rc;
+}
+
+static void
+qed_iwarp_return_ep(struct qed_hwfn *p_hwfn, struct qed_iwarp_ep *ep)
+{
+	ep->state = QED_IWARP_EP_INIT;
+	if (ep->qp)
+		ep->qp->ep = NULL;
+	ep->qp = NULL;
+	memset(&ep->cm_info, 0, sizeof(ep->cm_info));
+
+	if (ep->tcp_cid == QED_IWARP_INVALID_TCP_CID) {
+		/* We don't care about the return code, it's ok if tcp_cid
+		 * remains invalid...in this case we'll defer allocation
+		 */
+		qed_iwarp_alloc_tcp_cid(p_hwfn, &ep->tcp_cid);
+	}
+	spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+
+	list_del(&ep->list_entry);
+	list_add_tail(&ep->list_entry,
+		      &p_hwfn->p_rdma_info->iwarp.ep_free_list);
+
+	spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+}
+
+void
+qed_iwarp_parse_private_data(struct qed_hwfn *p_hwfn, struct qed_iwarp_ep *ep)
+{
+	struct mpa_v2_hdr *mpa_v2_params;
+	union async_output *async_data;
+	u16 mpa_ird, mpa_ord;
+	u8 mpa_data_size = 0;
+
+	if (MPA_REV2(p_hwfn->p_rdma_info->iwarp.mpa_rev)) {
+		mpa_v2_params =
+			(struct mpa_v2_hdr *)(ep->ep_buffer_virt->in_pdata);
+		mpa_data_size = sizeof(*mpa_v2_params);
+		mpa_ird = ntohs(mpa_v2_params->ird);
+		mpa_ord = ntohs(mpa_v2_params->ord);
+
+		ep->cm_info.ird = (u8)(mpa_ord & MPA_V2_IRD_ORD_MASK);
+		ep->cm_info.ord = (u8)(mpa_ird & MPA_V2_IRD_ORD_MASK);
+	}
+	async_data = &ep->ep_buffer_virt->async_output;
+
+	ep->cm_info.private_data = ep->ep_buffer_virt->in_pdata + mpa_data_size;
+	ep->cm_info.private_data_len = async_data->mpa_response.ulp_data_len -
+				       mpa_data_size;
+}
+
+void
+qed_iwarp_mpa_reply_arrived(struct qed_hwfn *p_hwfn, struct qed_iwarp_ep *ep)
+{
+	struct qed_iwarp_cm_event_params params;
+
+	if (ep->connect_mode == TCP_CONNECT_PASSIVE) {
+		DP_NOTICE(p_hwfn,
+			  "MPA reply event not expected on passive side!\n");
+		return;
+	}
+
+	params.event = QED_IWARP_EVENT_ACTIVE_MPA_REPLY;
+
+	qed_iwarp_parse_private_data(p_hwfn, ep);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+		   "MPA_NEGOTIATE (v%d): ORD: 0x%x IRD: 0x%x\n",
+		   ep->mpa_rev, ep->cm_info.ord, ep->cm_info.ird);
+
+	params.cm_info = &ep->cm_info;
+	params.ep_context = ep;
+	params.status = 0;
+
+	ep->mpa_reply_processed = true;
+
+	ep->event_cb(ep->cb_context, &params);
+}
+
+#define QED_IWARP_CONNECT_MODE_STRING(ep) \
+	((ep)->connect_mode == TCP_CONNECT_PASSIVE) ? "Passive" : "Active"
+
+/* Called as a result of the event:
+ * IWARP_EVENT_TYPE_ASYNC_MPA_HANDSHAKE_COMPLETE
+ */
+static void
+qed_iwarp_mpa_complete(struct qed_hwfn *p_hwfn,
+		       struct qed_iwarp_ep *ep, u8 fw_return_code)
+{
+	struct qed_iwarp_cm_event_params params;
+
+	if (ep->connect_mode == TCP_CONNECT_ACTIVE)
+		params.event = QED_IWARP_EVENT_ACTIVE_COMPLETE;
+	else
+		params.event = QED_IWARP_EVENT_PASSIVE_COMPLETE;
+
+	if (ep->connect_mode == TCP_CONNECT_ACTIVE && !ep->mpa_reply_processed)
+		qed_iwarp_parse_private_data(p_hwfn, ep);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+		   "MPA_NEGOTIATE (v%d): ORD: 0x%x IRD: 0x%x\n",
+		   ep->mpa_rev, ep->cm_info.ord, ep->cm_info.ird);
+
+	params.cm_info = &ep->cm_info;
+
+	params.ep_context = ep;
+
+	ep->state = QED_IWARP_EP_CLOSED;
+
+	switch (fw_return_code) {
+	case RDMA_RETURN_OK:
+		ep->qp->max_rd_atomic_req = ep->cm_info.ord;
+		ep->qp->max_rd_atomic_resp = ep->cm_info.ird;
+		qed_iwarp_modify_qp(p_hwfn, ep->qp, QED_IWARP_QP_STATE_RTS, 1);
+		ep->state = QED_IWARP_EP_ESTABLISHED;
+		params.status = 0;
+		break;
+	case IWARP_CONN_ERROR_MPA_TIMEOUT:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA timeout\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->cid);
+		params.status = -EBUSY;
+		break;
+	case IWARP_CONN_ERROR_MPA_ERROR_REJECT:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA Reject\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->cid);
+		params.status = -ECONNREFUSED;
+		break;
+	case IWARP_CONN_ERROR_MPA_RST:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA reset(tcp cid: 0x%x)\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->cid,
+			  ep->tcp_cid);
+		params.status = -ECONNRESET;
+		break;
+	case IWARP_CONN_ERROR_MPA_FIN:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA received FIN\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->cid);
+		params.status = -ECONNREFUSED;
+		break;
+	case IWARP_CONN_ERROR_MPA_INSUF_IRD:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA insufficient ird\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->cid);
+		params.status = -ECONNREFUSED;
+		break;
+	case IWARP_CONN_ERROR_MPA_RTR_MISMATCH:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA RTR MISMATCH\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->cid);
+		params.status = -ECONNREFUSED;
+		break;
+	case IWARP_CONN_ERROR_MPA_INVALID_PACKET:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA Invalid Packet\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->cid);
+		params.status = -ECONNREFUSED;
+		break;
+	case IWARP_CONN_ERROR_MPA_LOCAL_ERROR:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA Local Error\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->cid);
+		params.status = -ECONNREFUSED;
+		break;
+	case IWARP_CONN_ERROR_MPA_TERMINATE:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA TERMINATE\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->cid);
+		params.status = -ECONNREFUSED;
+		break;
+	default:
+		params.status = -ECONNRESET;
+		break;
+	}
+
+	ep->event_cb(ep->cb_context, &params);
+
+	/* on passive side, if there is no associated QP (REJECT) we need to
+	 * return the ep to the pool, (in the regular case we add an element
+	 * in accept instead of this one.
+	 * In both cases we need to remove it from the ep_list.
+	 */
+	if (fw_return_code != RDMA_RETURN_OK) {
+		ep->tcp_cid = QED_IWARP_INVALID_TCP_CID;
+		if ((ep->connect_mode == TCP_CONNECT_PASSIVE) &&
+		    (!ep->qp)) {	/* Rejected */
+			qed_iwarp_return_ep(p_hwfn, ep);
+		} else {
+			spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+			list_del(&ep->list_entry);
+			spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+		}
+	}
+}
+
+static void
+qed_iwarp_mpa_v2_set_private(struct qed_hwfn *p_hwfn,
+			     struct qed_iwarp_ep *ep, u8 *mpa_data_size)
+{
+	struct mpa_v2_hdr *mpa_v2_params;
+	u16 mpa_ird, mpa_ord;
+
+	*mpa_data_size = 0;
+	if (MPA_REV2(ep->mpa_rev)) {
+		mpa_v2_params =
+		    (struct mpa_v2_hdr *)ep->ep_buffer_virt->out_pdata;
+		*mpa_data_size = sizeof(*mpa_v2_params);
+
+		mpa_ird = (u16)ep->cm_info.ird;
+		mpa_ord = (u16)ep->cm_info.ord;
+
+		if (ep->rtr_type != MPA_RTR_TYPE_NONE) {
+			mpa_ird |= MPA_V2_PEER2PEER_MODEL;
+
+			if (ep->rtr_type & MPA_RTR_TYPE_ZERO_SEND)
+				mpa_ird |= MPA_V2_SEND_RTR;
+
+			if (ep->rtr_type & MPA_RTR_TYPE_ZERO_WRITE)
+				mpa_ord |= MPA_V2_WRITE_RTR;
+
+			if (ep->rtr_type & MPA_RTR_TYPE_ZERO_READ)
+				mpa_ord |= MPA_V2_READ_RTR;
+		}
+
+		mpa_v2_params->ird = htons(mpa_ird);
+		mpa_v2_params->ord = htons(mpa_ord);
+
+		DP_VERBOSE(p_hwfn,
+			   QED_MSG_RDMA,
+			   "MPA_NEGOTIATE Header: [%x ord:%x ird] %x ord:%x ird:%x peer2peer:%x rtr_send:%x rtr_write:%x rtr_read:%x\n",
+			   mpa_v2_params->ird,
+			   mpa_v2_params->ord,
+			   *((u32 *)mpa_v2_params),
+			   mpa_ord & MPA_V2_IRD_ORD_MASK,
+			   mpa_ird & MPA_V2_IRD_ORD_MASK,
+			   !!(mpa_ird & MPA_V2_PEER2PEER_MODEL),
+			   !!(mpa_ird & MPA_V2_SEND_RTR),
+			   !!(mpa_ord & MPA_V2_WRITE_RTR),
+			   !!(mpa_ord & MPA_V2_READ_RTR));
+	}
+}
+
+int qed_iwarp_connect(void *rdma_cxt,
+		      struct qed_iwarp_connect_in *iparams,
+		      struct qed_iwarp_connect_out *oparams)
+{
+	struct qed_hwfn *p_hwfn = rdma_cxt;
+	struct qed_iwarp_info *iwarp_info;
+	struct qed_iwarp_ep *ep;
+	u8 mpa_data_size = 0;
+	u8 ts_hdr_size = 0;
+	u32 cid;
+	int rc;
+
+	if ((iparams->cm_info.ord > QED_IWARP_ORD_DEFAULT) ||
+	    (iparams->cm_info.ird > QED_IWARP_IRD_DEFAULT)) {
+		DP_NOTICE(p_hwfn,
+			  "QP(0x%x) ERROR: Invalid ord(0x%x)/ird(0x%x)\n",
+			  iparams->qp->icid, iparams->cm_info.ord,
+			  iparams->cm_info.ird);
+
+		return -EINVAL;
+	}
+
+	iwarp_info = &p_hwfn->p_rdma_info->iwarp;
+
+	/* Allocate ep object */
+	rc = qed_iwarp_alloc_cid(p_hwfn, &cid);
+	if (rc)
+		return rc;
+
+	rc = qed_iwarp_create_ep(p_hwfn, &ep);
+	if (rc)
+		goto err;
+
+	ep->tcp_cid = cid;
+
+	spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+	list_add_tail(&ep->list_entry, &p_hwfn->p_rdma_info->iwarp.ep_list);
+	spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+
+	ep->qp = iparams->qp;
+	ep->qp->ep = ep;
+	ether_addr_copy(ep->remote_mac_addr, iparams->remote_mac_addr);
+	ether_addr_copy(ep->local_mac_addr, iparams->local_mac_addr);
+	memcpy(&ep->cm_info, &iparams->cm_info, sizeof(ep->cm_info));
+
+	ep->cm_info.ord = iparams->cm_info.ord;
+	ep->cm_info.ird = iparams->cm_info.ird;
+
+	ep->rtr_type = iwarp_info->rtr_type;
+	if (!iwarp_info->peer2peer)
+		ep->rtr_type = MPA_RTR_TYPE_NONE;
+
+	if ((ep->rtr_type & MPA_RTR_TYPE_ZERO_READ) && (ep->cm_info.ord == 0))
+		ep->cm_info.ord = 1;
+
+	ep->mpa_rev = iwarp_info->mpa_rev;
+
+	qed_iwarp_mpa_v2_set_private(p_hwfn, ep, &mpa_data_size);
+
+	ep->cm_info.private_data = ep->ep_buffer_virt->out_pdata;
+	ep->cm_info.private_data_len = iparams->cm_info.private_data_len +
+				       mpa_data_size;
+
+	memcpy((u8 *)ep->ep_buffer_virt->out_pdata + mpa_data_size,
+	       iparams->cm_info.private_data,
+	       iparams->cm_info.private_data_len);
+
+	if (p_hwfn->p_rdma_info->iwarp.tcp_flags & QED_IWARP_TS_EN)
+		ts_hdr_size = TIMESTAMP_HEADER_SIZE;
+
+	ep->mss = iparams->mss - ts_hdr_size;
+	ep->mss = min_t(u16, QED_IWARP_MAX_FW_MSS, ep->mss);
+
+	ep->event_cb = iparams->event_cb;
+	ep->cb_context = iparams->cb_context;
+	ep->connect_mode = TCP_CONNECT_ACTIVE;
+
+	oparams->ep_context = ep;
+
+	rc = qed_iwarp_tcp_offload(p_hwfn, ep);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "QP(0x%x) EP(0x%x) rc = %d\n",
+		   iparams->qp->icid, ep->tcp_cid, rc);
+
+	if (rc) {
+		qed_iwarp_destroy_ep(p_hwfn, ep, true);
+		goto err;
+	}
+
+	return rc;
+err:
+	qed_iwarp_cid_cleaned(p_hwfn, cid);
+
+	return rc;
+}
+
+static struct qed_iwarp_ep *qed_iwarp_get_free_ep(struct qed_hwfn *p_hwfn)
+{
+	struct qed_iwarp_ep *ep = NULL;
+	int rc;
+
+	spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+
+	if (list_empty(&p_hwfn->p_rdma_info->iwarp.ep_free_list)) {
+		DP_ERR(p_hwfn, "Ep list is empty\n");
+		goto out;
+	}
+
+	ep = list_first_entry(&p_hwfn->p_rdma_info->iwarp.ep_free_list,
+			      struct qed_iwarp_ep, list_entry);
+
+	/* in some cases we could have failed allocating a tcp cid when added
+	 * from accept / failure... retry now..this is not the common case.
+	 */
+	if (ep->tcp_cid == QED_IWARP_INVALID_TCP_CID) {
+		rc = qed_iwarp_alloc_tcp_cid(p_hwfn, &ep->tcp_cid);
+
+		/* if we fail we could look for another entry with a valid
+		 * tcp_cid, but since we don't expect to reach this anyway
+		 * it's not worth the handling
+		 */
+		if (rc) {
+			ep->tcp_cid = QED_IWARP_INVALID_TCP_CID;
+			ep = NULL;
+			goto out;
+		}
+	}
+
+	list_del(&ep->list_entry);
+
+out:
+	spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+	return ep;
+}
+
+#define QED_IWARP_MAX_CID_CLEAN_TIME  100
+#define QED_IWARP_MAX_NO_PROGRESS_CNT 5
+
+/* This function waits for all the bits of a bmap to be cleared, as long as
+ * there is progress ( i.e. the number of bits left to be cleared decreases )
+ * the function continues.
+ */
+static int
+qed_iwarp_wait_cid_map_cleared(struct qed_hwfn *p_hwfn, struct qed_bmap *bmap)
+{
+	int prev_weight = 0;
+	int wait_count = 0;
+	int weight = 0;
+
+	weight = bitmap_weight(bmap->bitmap, bmap->max_count);
+	prev_weight = weight;
+
+	while (weight) {
+		msleep(QED_IWARP_MAX_CID_CLEAN_TIME);
+
+		weight = bitmap_weight(bmap->bitmap, bmap->max_count);
+
+		if (prev_weight == weight) {
+			wait_count++;
+		} else {
+			prev_weight = weight;
+			wait_count = 0;
+		}
+
+		if (wait_count > QED_IWARP_MAX_NO_PROGRESS_CNT) {
+			DP_NOTICE(p_hwfn,
+				  "%s bitmap wait timed out (%d cids pending)\n",
+				  bmap->name, weight);
+			return -EBUSY;
+		}
+	}
+	return 0;
+}
+
+static int qed_iwarp_wait_for_all_cids(struct qed_hwfn *p_hwfn)
+{
+	int rc;
+	int i;
+
+	rc = qed_iwarp_wait_cid_map_cleared(p_hwfn,
+					    &p_hwfn->p_rdma_info->tcp_cid_map);
+	if (rc)
+		return rc;
+
+	/* Now free the tcp cids from the main cid map */
+	for (i = 0; i < QED_IWARP_PREALLOC_CNT; i++)
+		qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, i);
+
+	/* Now wait for all cids to be completed */
+	return qed_iwarp_wait_cid_map_cleared(p_hwfn,
+					      &p_hwfn->p_rdma_info->cid_map);
+}
+
+static void qed_iwarp_free_prealloc_ep(struct qed_hwfn *p_hwfn)
+{
+	struct qed_iwarp_ep *ep;
+
+	while (!list_empty(&p_hwfn->p_rdma_info->iwarp.ep_free_list)) {
+		spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+
+		ep = list_first_entry(&p_hwfn->p_rdma_info->iwarp.ep_free_list,
+				      struct qed_iwarp_ep, list_entry);
+
+		if (!ep) {
+			spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+			break;
+		}
+		list_del(&ep->list_entry);
+
+		spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+
+		if (ep->tcp_cid != QED_IWARP_INVALID_TCP_CID)
+			qed_iwarp_cid_cleaned(p_hwfn, ep->tcp_cid);
+
+		qed_iwarp_destroy_ep(p_hwfn, ep, false);
+	}
+}
+
+static int qed_iwarp_prealloc_ep(struct qed_hwfn *p_hwfn, bool init)
+{
+	struct qed_iwarp_ep *ep;
+	int rc = 0;
+	int count;
+	u32 cid;
+	int i;
+
+	count = init ? QED_IWARP_PREALLOC_CNT : 1;
+	for (i = 0; i < count; i++) {
+		rc = qed_iwarp_create_ep(p_hwfn, &ep);
+		if (rc)
+			return rc;
+
+		/* During initialization we allocate from the main pool,
+		 * afterwards we allocate only from the tcp_cid.
+		 */
+		if (init) {
+			rc = qed_iwarp_alloc_cid(p_hwfn, &cid);
+			if (rc)
+				goto err;
+			qed_iwarp_set_tcp_cid(p_hwfn, cid);
+		} else {
+			/* We don't care about the return code, it's ok if
+			 * tcp_cid remains invalid...in this case we'll
+			 * defer allocation
+			 */
+			qed_iwarp_alloc_tcp_cid(p_hwfn, &cid);
+		}
+
+		ep->tcp_cid = cid;
+
+		spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+		list_add_tail(&ep->list_entry,
+			      &p_hwfn->p_rdma_info->iwarp.ep_free_list);
+		spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+	}
+
+	return rc;
+
+err:
+	qed_iwarp_destroy_ep(p_hwfn, ep, false);
+
+	return rc;
+}
+
+int qed_iwarp_alloc(struct qed_hwfn *p_hwfn)
+{
+	int rc;
+
+	/* Allocate bitmap for tcp cid. These are used by passive side
+	 * to ensure it can allocate a tcp cid during dpc that was
+	 * pre-acquired and doesn't require dynamic allocation of ilt
+	 */
+	rc = qed_rdma_bmap_alloc(p_hwfn, &p_hwfn->p_rdma_info->tcp_cid_map,
+				 QED_IWARP_PREALLOC_CNT, "TCP_CID");
+	if (rc) {
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+			   "Failed to allocate tcp cid, rc = %d\n", rc);
+		return rc;
+	}
+
+	INIT_LIST_HEAD(&p_hwfn->p_rdma_info->iwarp.ep_free_list);
+	spin_lock_init(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+
+	return qed_iwarp_prealloc_ep(p_hwfn, true);
+}
+
+void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn)
+{
+	qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->tcp_cid_map, 1);
+}
+
+int qed_iwarp_accept(void *rdma_cxt, struct qed_iwarp_accept_in *iparams)
+{
+	struct qed_hwfn *p_hwfn = rdma_cxt;
+	struct qed_iwarp_ep *ep;
+	u8 mpa_data_size = 0;
+	int rc;
+
+	ep = iparams->ep_context;
+	if (!ep) {
+		DP_ERR(p_hwfn, "Ep Context receive in accept is NULL\n");
+		return -EINVAL;
+	}
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "QP(0x%x) EP(0x%x)\n",
+		   iparams->qp->icid, ep->tcp_cid);
+
+	if ((iparams->ord > QED_IWARP_ORD_DEFAULT) ||
+	    (iparams->ird > QED_IWARP_IRD_DEFAULT)) {
+		DP_VERBOSE(p_hwfn,
+			   QED_MSG_RDMA,
+			   "QP(0x%x) EP(0x%x) ERROR: Invalid ord(0x%x)/ird(0x%x)\n",
+			   iparams->qp->icid,
+			   ep->tcp_cid, iparams->ord, iparams->ord);
+		return -EINVAL;
+	}
+
+	qed_iwarp_prealloc_ep(p_hwfn, false);
+
+	ep->cb_context = iparams->cb_context;
+	ep->qp = iparams->qp;
+	ep->qp->ep = ep;
+
+	if (ep->mpa_rev == MPA_NEGOTIATION_TYPE_ENHANCED) {
+		/* Negotiate ord/ird: if upperlayer requested ord larger than
+		 * ird advertised by remote, we need to decrease our ord
+		 */
+		if (iparams->ord > ep->cm_info.ird)
+			iparams->ord = ep->cm_info.ird;
+
+		if ((ep->rtr_type & MPA_RTR_TYPE_ZERO_READ) &&
+		    (iparams->ird == 0))
+			iparams->ird = 1;
+	}
+
+	/* Update cm_info ord/ird to be negotiated values */
+	ep->cm_info.ord = iparams->ord;
+	ep->cm_info.ird = iparams->ird;
+
+	qed_iwarp_mpa_v2_set_private(p_hwfn, ep, &mpa_data_size);
+
+	ep->cm_info.private_data = ep->ep_buffer_virt->out_pdata;
+	ep->cm_info.private_data_len = iparams->private_data_len +
+				       mpa_data_size;
+
+	memcpy((u8 *)ep->ep_buffer_virt->out_pdata + mpa_data_size,
+	       iparams->private_data, iparams->private_data_len);
+
+	rc = qed_iwarp_mpa_offload(p_hwfn, ep);
+	if (rc)
+		qed_iwarp_modify_qp(p_hwfn,
+				    iparams->qp, QED_IWARP_QP_STATE_ERROR, 1);
+
+	return rc;
+}
+
+int qed_iwarp_reject(void *rdma_cxt, struct qed_iwarp_reject_in *iparams)
+{
+	struct qed_hwfn *p_hwfn = rdma_cxt;
+	struct qed_iwarp_ep *ep;
+	u8 mpa_data_size = 0;
+
+	ep = iparams->ep_context;
+	if (!ep) {
+		DP_ERR(p_hwfn, "Ep Context receive in reject is NULL\n");
+		return -EINVAL;
+	}
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "EP(0x%x)\n", ep->tcp_cid);
+
+	ep->cb_context = iparams->cb_context;
+	ep->qp = NULL;
+
+	qed_iwarp_mpa_v2_set_private(p_hwfn, ep, &mpa_data_size);
+
+	ep->cm_info.private_data = ep->ep_buffer_virt->out_pdata;
+	ep->cm_info.private_data_len = iparams->private_data_len +
+				       mpa_data_size;
+
+	memcpy((u8 *)ep->ep_buffer_virt->out_pdata + mpa_data_size,
+	       iparams->private_data, iparams->private_data_len);
+
+	return qed_iwarp_mpa_offload(p_hwfn, ep);
+}
+
+static void
+qed_iwarp_print_cm_info(struct qed_hwfn *p_hwfn,
+			struct qed_iwarp_cm_info *cm_info)
+{
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "ip_version = %d\n",
+		   cm_info->ip_version);
+
+	if (cm_info->ip_version == QED_TCP_IPV4)
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+			   "remote_ip %pI4h:%x, local_ip %pI4h:%x vlan=%x\n",
+			   cm_info->remote_ip, cm_info->remote_port,
+			   cm_info->local_ip, cm_info->local_port,
+			   cm_info->vlan);
+	else
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+			   "remote_ip %pI6h:%x, local_ip %pI6h:%x vlan=%x\n",
+			   cm_info->remote_ip, cm_info->remote_port,
+			   cm_info->local_ip, cm_info->local_port,
+			   cm_info->vlan);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+		   "private_data_len = %x ord = %d, ird = %d\n",
+		   cm_info->private_data_len, cm_info->ord, cm_info->ird);
+}
+
+static int
+qed_iwarp_ll2_post_rx(struct qed_hwfn *p_hwfn,
+		      struct qed_iwarp_ll2_buff *buf, u8 handle)
+{
+	int rc;
+
+	rc = qed_ll2_post_rx_buffer(p_hwfn, handle, buf->data_phys_addr,
+				    (u16)buf->buff_size, buf, 1);
+	if (rc) {
+		DP_NOTICE(p_hwfn,
+			  "Failed to repost rx buffer to ll2 rc = %d, handle=%d\n",
+			  rc, handle);
+		dma_free_coherent(&p_hwfn->cdev->pdev->dev, buf->buff_size,
+				  buf->data, buf->data_phys_addr);
+		kfree(buf);
+	}
+
+	return rc;
+}
+
+static bool
+qed_iwarp_ep_exists(struct qed_hwfn *p_hwfn, struct qed_iwarp_cm_info *cm_info)
+{
+	struct qed_iwarp_ep *ep = NULL;
+	bool found = false;
+
+	list_for_each_entry(ep,
+			    &p_hwfn->p_rdma_info->iwarp.ep_list,
+			    list_entry) {
+		if ((ep->cm_info.local_port == cm_info->local_port) &&
+		    (ep->cm_info.remote_port == cm_info->remote_port) &&
+		    (ep->cm_info.vlan == cm_info->vlan) &&
+		    !memcmp(&ep->cm_info.local_ip, cm_info->local_ip,
+			    sizeof(cm_info->local_ip)) &&
+		    !memcmp(&ep->cm_info.remote_ip, cm_info->remote_ip,
+			    sizeof(cm_info->remote_ip))) {
+			found = true;
+			break;
+		}
+	}
+
+	if (found) {
+		DP_NOTICE(p_hwfn,
+			  "SYN received on active connection - dropping\n");
+		qed_iwarp_print_cm_info(p_hwfn, cm_info);
+
+		return true;
+	}
+
+	return false;
+}
+
+static struct qed_iwarp_listener *
+qed_iwarp_get_listener(struct qed_hwfn *p_hwfn,
+		       struct qed_iwarp_cm_info *cm_info)
+{
+	struct qed_iwarp_listener *listener = NULL;
+	static const u32 ip_zero[4] = { 0, 0, 0, 0 };
+	bool found = false;
+
+	qed_iwarp_print_cm_info(p_hwfn, cm_info);
+
+	list_for_each_entry(listener,
+			    &p_hwfn->p_rdma_info->iwarp.listen_list,
+			    list_entry) {
+		if (listener->port == cm_info->local_port) {
+			if (!memcmp(listener->ip_addr,
+				    ip_zero, sizeof(ip_zero))) {
+				found = true;
+				break;
+			}
+
+			if (!memcmp(listener->ip_addr,
+				    cm_info->local_ip,
+				    sizeof(cm_info->local_ip)) &&
+			    (listener->vlan == cm_info->vlan)) {
+				found = true;
+				break;
+			}
+		}
+	}
+
+	if (found) {
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "listener found = %p\n",
+			   listener);
+		return listener;
+	}
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "listener not found\n");
+	return NULL;
+}
+
+static int
+qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn,
+		       struct qed_iwarp_cm_info *cm_info,
+		       void *buf,
+		       u8 *remote_mac_addr,
+		       u8 *local_mac_addr,
+		       int *payload_len, int *tcp_start_offset)
+{
+	struct vlan_ethhdr *vethh;
+	bool vlan_valid = false;
+	struct ipv6hdr *ip6h;
+	struct ethhdr *ethh;
+	struct tcphdr *tcph;
+	struct iphdr *iph;
+	int eth_hlen;
+	int ip_hlen;
+	int eth_type;
+	int i;
+
+	ethh = buf;
+	eth_type = ntohs(ethh->h_proto);
+	if (eth_type == ETH_P_8021Q) {
+		vlan_valid = true;
+		vethh = (struct vlan_ethhdr *)ethh;
+		cm_info->vlan = ntohs(vethh->h_vlan_TCI) & VLAN_VID_MASK;
+		eth_type = ntohs(vethh->h_vlan_encapsulated_proto);
+	}
+
+	eth_hlen = ETH_HLEN + (vlan_valid ? sizeof(u32) : 0);
+
+	ether_addr_copy(remote_mac_addr, ethh->h_source);
+	ether_addr_copy(local_mac_addr, ethh->h_dest);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "eth_type =%d source mac: %pM\n",
+		   eth_type, ethh->h_source);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "eth_hlen=%d destination mac: %pM\n",
+		   eth_hlen, ethh->h_dest);
+
+	iph = (struct iphdr *)((u8 *)(ethh) + eth_hlen);
+
+	if (eth_type == ETH_P_IP) {
+		cm_info->local_ip[0] = ntohl(iph->daddr);
+		cm_info->remote_ip[0] = ntohl(iph->saddr);
+		cm_info->ip_version = TCP_IPV4;
+
+		ip_hlen = (iph->ihl) * sizeof(u32);
+		*payload_len = ntohs(iph->tot_len) - ip_hlen;
+	} else if (eth_type == ETH_P_IPV6) {
+		ip6h = (struct ipv6hdr *)iph;
+		for (i = 0; i < 4; i++) {
+			cm_info->local_ip[i] =
+			    ntohl(ip6h->daddr.in6_u.u6_addr32[i]);
+			cm_info->remote_ip[i] =
+			    ntohl(ip6h->saddr.in6_u.u6_addr32[i]);
+		}
+		cm_info->ip_version = TCP_IPV6;
+
+		ip_hlen = sizeof(*ip6h);
+		*payload_len = ntohs(ip6h->payload_len);
+	} else {
+		DP_NOTICE(p_hwfn, "Unexpected ethertype on ll2 %x\n", eth_type);
+		return -EINVAL;
+	}
+
+	tcph = (struct tcphdr *)((u8 *)iph + ip_hlen);
+
+	if (!tcph->syn) {
+		DP_NOTICE(p_hwfn,
+			  "Only SYN type packet expected on this ll2 conn, iph->ihl=%d source=%d dest=%d\n",
+			  iph->ihl, tcph->source, tcph->dest);
+		return -EINVAL;
+	}
+
+	cm_info->local_port = ntohs(tcph->dest);
+	cm_info->remote_port = ntohs(tcph->source);
+
+	qed_iwarp_print_cm_info(p_hwfn, cm_info);
+
+	*tcp_start_offset = eth_hlen + ip_hlen;
+
+	return 0;
+}
+
+static void
+qed_iwarp_ll2_comp_syn_pkt(void *cxt, struct qed_ll2_comp_rx_data *data)
+{
+	struct qed_iwarp_ll2_buff *buf = data->cookie;
+	struct qed_iwarp_listener *listener;
+	struct qed_ll2_tx_pkt_info tx_pkt;
+	struct qed_iwarp_cm_info cm_info;
+	struct qed_hwfn *p_hwfn = cxt;
+	u8 remote_mac_addr[ETH_ALEN];
+	u8 local_mac_addr[ETH_ALEN];
+	struct qed_iwarp_ep *ep;
+	int tcp_start_offset;
+	u8 ts_hdr_size = 0;
+	u8 ll2_syn_handle;
+	int payload_len;
+	u32 hdr_size;
+	int rc;
+
+	memset(&cm_info, 0, sizeof(cm_info));
+
+	if (GET_FIELD(data->parse_flags,
+		      PARSING_AND_ERR_FLAGS_L4CHKSMWASCALCULATED) &&
+	    GET_FIELD(data->parse_flags, PARSING_AND_ERR_FLAGS_L4CHKSMERROR)) {
+		DP_NOTICE(p_hwfn, "Syn packet received with checksum error\n");
+		goto err;
+	}
+
+	rc = qed_iwarp_parse_rx_pkt(p_hwfn, &cm_info, (u8 *)(buf->data) +
+				    data->u.placement_offset, remote_mac_addr,
+				    local_mac_addr, &payload_len,
+				    &tcp_start_offset);
+	if (rc)
+		goto err;
+
+	/* Check if there is a listener for this 4-tuple+vlan */
+	ll2_syn_handle = p_hwfn->p_rdma_info->iwarp.ll2_syn_handle;
+	listener = qed_iwarp_get_listener(p_hwfn, &cm_info);
+	if (!listener) {
+		DP_VERBOSE(p_hwfn,
+			   QED_MSG_RDMA,
+			   "SYN received on tuple not listened on parse_flags=%d packet len=%d\n",
+			   data->parse_flags, data->length.packet_length);
+
+		memset(&tx_pkt, 0, sizeof(tx_pkt));
+		tx_pkt.num_of_bds = 1;
+		tx_pkt.vlan = data->vlan;
+
+		if (GET_FIELD(data->parse_flags,
+			      PARSING_AND_ERR_FLAGS_TAG8021QEXIST))
+			SET_FIELD(tx_pkt.bd_flags,
+				  CORE_TX_BD_DATA_VLAN_INSERTION, 1);
+
+		tx_pkt.l4_hdr_offset_w = (data->length.packet_length) >> 2;
+		tx_pkt.tx_dest = QED_LL2_TX_DEST_LB;
+		tx_pkt.first_frag = buf->data_phys_addr +
+				    data->u.placement_offset;
+		tx_pkt.first_frag_len = data->length.packet_length;
+		tx_pkt.cookie = buf;
+
+		rc = qed_ll2_prepare_tx_packet(p_hwfn, ll2_syn_handle,
+					       &tx_pkt, true);
+
+		if (rc) {
+			DP_NOTICE(p_hwfn,
+				  "Can't post SYN back to chip rc=%d\n", rc);
+			goto err;
+		}
+		return;
+	}
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Received syn on listening port\n");
+	/* There may be an open ep on this connection if this is a syn
+	 * retrasnmit... need to make sure there isn't...
+	 */
+	if (qed_iwarp_ep_exists(p_hwfn, &cm_info))
+		goto err;
+
+	ep = qed_iwarp_get_free_ep(p_hwfn);
+	if (!ep)
+		goto err;
+
+	spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+	list_add_tail(&ep->list_entry, &p_hwfn->p_rdma_info->iwarp.ep_list);
+	spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+
+	ether_addr_copy(ep->remote_mac_addr, remote_mac_addr);
+	ether_addr_copy(ep->local_mac_addr, local_mac_addr);
+
+	memcpy(&ep->cm_info, &cm_info, sizeof(ep->cm_info));
+
+	if (p_hwfn->p_rdma_info->iwarp.tcp_flags & QED_IWARP_TS_EN)
+		ts_hdr_size = TIMESTAMP_HEADER_SIZE;
+
+	hdr_size = ((cm_info.ip_version == QED_TCP_IPV4) ? 40 : 60) +
+		   ts_hdr_size;
+	ep->mss = p_hwfn->p_rdma_info->iwarp.max_mtu - hdr_size;
+	ep->mss = min_t(u16, QED_IWARP_MAX_FW_MSS, ep->mss);
+
+	ep->event_cb = listener->event_cb;
+	ep->cb_context = listener->cb_context;
+	ep->connect_mode = TCP_CONNECT_PASSIVE;
+
+	ep->syn = buf;
+	ep->syn_ip_payload_length = (u16)payload_len;
+	ep->syn_phy_addr = buf->data_phys_addr + data->u.placement_offset +
+			   tcp_start_offset;
+
+	rc = qed_iwarp_tcp_offload(p_hwfn, ep);
+	if (rc) {
+		qed_iwarp_return_ep(p_hwfn, ep);
+		goto err;
+	}
+
+	return;
+err:
+	qed_iwarp_ll2_post_rx(p_hwfn, buf, ll2_syn_handle);
+}
+
+static void qed_iwarp_ll2_rel_rx_pkt(void *cxt, u8 connection_handle,
+				     void *cookie, dma_addr_t rx_buf_addr,
+				     bool b_last_packet)
+{
+	struct qed_iwarp_ll2_buff *buffer = cookie;
+	struct qed_hwfn *p_hwfn = cxt;
+
+	dma_free_coherent(&p_hwfn->cdev->pdev->dev, buffer->buff_size,
+			  buffer->data, buffer->data_phys_addr);
+	kfree(buffer);
+}
+
+static void qed_iwarp_ll2_comp_tx_pkt(void *cxt, u8 connection_handle,
+				      void *cookie, dma_addr_t first_frag_addr,
+				      bool b_last_fragment, bool b_last_packet)
+{
+	struct qed_iwarp_ll2_buff *buffer = cookie;
+	struct qed_hwfn *p_hwfn = cxt;
+
+	/* this was originally an rx packet, post it back */
+	qed_iwarp_ll2_post_rx(p_hwfn, buffer, connection_handle);
+}
+
+static void qed_iwarp_ll2_rel_tx_pkt(void *cxt, u8 connection_handle,
+				     void *cookie, dma_addr_t first_frag_addr,
+				     bool b_last_fragment, bool b_last_packet)
+{
+	struct qed_iwarp_ll2_buff *buffer = cookie;
+	struct qed_hwfn *p_hwfn = cxt;
+
+	if (!buffer)
+		return;
+
+	dma_free_coherent(&p_hwfn->cdev->pdev->dev, buffer->buff_size,
+			  buffer->data, buffer->data_phys_addr);
+
+	kfree(buffer);
+}
+
+static int qed_iwarp_ll2_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
+{
+	struct qed_iwarp_info *iwarp_info = &p_hwfn->p_rdma_info->iwarp;
+	int rc = 0;
+
+	if (iwarp_info->ll2_syn_handle != QED_IWARP_HANDLE_INVAL) {
+		rc = qed_ll2_terminate_connection(p_hwfn,
+						  iwarp_info->ll2_syn_handle);
+		if (rc)
+			DP_INFO(p_hwfn, "Failed to terminate syn connection\n");
+
+		qed_ll2_release_connection(p_hwfn, iwarp_info->ll2_syn_handle);
+		iwarp_info->ll2_syn_handle = QED_IWARP_HANDLE_INVAL;
+	}
+
+	qed_llh_remove_mac_filter(p_hwfn,
+				  p_ptt, p_hwfn->p_rdma_info->iwarp.mac_addr);
+	return rc;
+}
+
+static int
+qed_iwarp_ll2_alloc_buffers(struct qed_hwfn *p_hwfn,
+			    int num_rx_bufs, int buff_size, u8 ll2_handle)
+{
+	struct qed_iwarp_ll2_buff *buffer;
+	int rc = 0;
+	int i;
+
+	for (i = 0; i < num_rx_bufs; i++) {
+		buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+		if (!buffer) {
+			rc = -ENOMEM;
+			break;
+		}
+
+		buffer->data = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
+						  buff_size,
+						  &buffer->data_phys_addr,
+						  GFP_KERNEL);
+		if (!buffer->data) {
+			kfree(buffer);
+			rc = -ENOMEM;
+			break;
+		}
+
+		buffer->buff_size = buff_size;
+		rc = qed_iwarp_ll2_post_rx(p_hwfn, buffer, ll2_handle);
+		if (rc)
+			/* buffers will be deallocated by qed_ll2 */
+			break;
+	}
+	return rc;
+}
+
+#define QED_IWARP_MAX_BUF_SIZE(mtu)				     \
+	ALIGN((mtu) + ETH_HLEN + 2 * VLAN_HLEN + 2 + ETH_CACHE_LINE_SIZE, \
+		ETH_CACHE_LINE_SIZE)
+
+static int
+qed_iwarp_ll2_start(struct qed_hwfn *p_hwfn,
+		    struct qed_rdma_start_in_params *params,
+		    struct qed_ptt *p_ptt)
+{
+	struct qed_iwarp_info *iwarp_info;
+	struct qed_ll2_acquire_data data;
+	struct qed_ll2_cbs cbs;
+	int rc = 0;
+
+	iwarp_info = &p_hwfn->p_rdma_info->iwarp;
+	iwarp_info->ll2_syn_handle = QED_IWARP_HANDLE_INVAL;
+
+	iwarp_info->max_mtu = params->max_mtu;
+
+	ether_addr_copy(p_hwfn->p_rdma_info->iwarp.mac_addr, params->mac_addr);
+
+	rc = qed_llh_add_mac_filter(p_hwfn, p_ptt, params->mac_addr);
+	if (rc)
+		return rc;
+
+	/* Start SYN connection */
+	cbs.rx_comp_cb = qed_iwarp_ll2_comp_syn_pkt;
+	cbs.rx_release_cb = qed_iwarp_ll2_rel_rx_pkt;
+	cbs.tx_comp_cb = qed_iwarp_ll2_comp_tx_pkt;
+	cbs.tx_release_cb = qed_iwarp_ll2_rel_tx_pkt;
+	cbs.cookie = p_hwfn;
+
+	memset(&data, 0, sizeof(data));
+	data.input.conn_type = QED_LL2_TYPE_IWARP;
+	data.input.mtu = QED_IWARP_MAX_SYN_PKT_SIZE;
+	data.input.rx_num_desc = QED_IWARP_LL2_SYN_RX_SIZE;
+	data.input.tx_num_desc = QED_IWARP_LL2_SYN_TX_SIZE;
+	data.input.tx_max_bds_per_packet = 1;	/* will never be fragmented */
+	data.input.tx_tc = PKT_LB_TC;
+	data.input.tx_dest = QED_LL2_TX_DEST_LB;
+	data.p_connection_handle = &iwarp_info->ll2_syn_handle;
+	data.cbs = &cbs;
+
+	rc = qed_ll2_acquire_connection(p_hwfn, &data);
+	if (rc) {
+		DP_NOTICE(p_hwfn, "Failed to acquire LL2 connection\n");
+		qed_llh_remove_mac_filter(p_hwfn, p_ptt, params->mac_addr);
+		return rc;
+	}
+
+	rc = qed_ll2_establish_connection(p_hwfn, iwarp_info->ll2_syn_handle);
+	if (rc) {
+		DP_NOTICE(p_hwfn, "Failed to establish LL2 connection\n");
+		goto err;
+	}
+
+	rc = qed_iwarp_ll2_alloc_buffers(p_hwfn,
+					 QED_IWARP_LL2_SYN_RX_SIZE,
+					 QED_IWARP_MAX_SYN_PKT_SIZE,
+					 iwarp_info->ll2_syn_handle);
+	if (rc)
+		goto err;
+
+	return rc;
+err:
+	qed_iwarp_ll2_stop(p_hwfn, p_ptt);
+
+	return rc;
+}
+
+int qed_iwarp_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
+		    struct qed_rdma_start_in_params *params)
+{
+	struct qed_iwarp_info *iwarp_info;
+	u32 rcv_wnd_size;
+
+	iwarp_info = &p_hwfn->p_rdma_info->iwarp;
+
+	iwarp_info->tcp_flags = QED_IWARP_TS_EN;
+	rcv_wnd_size = QED_IWARP_RCV_WND_SIZE_DEF;
+
+	/* value 0 is used for ilog2(QED_IWARP_RCV_WND_SIZE_MIN) */
+	iwarp_info->rcv_wnd_scale = ilog2(rcv_wnd_size) -
+	    ilog2(QED_IWARP_RCV_WND_SIZE_MIN);
+	iwarp_info->crc_needed = QED_IWARP_PARAM_CRC_NEEDED;
+	iwarp_info->mpa_rev = MPA_NEGOTIATION_TYPE_ENHANCED;
+
+	iwarp_info->peer2peer = QED_IWARP_PARAM_P2P;
+
+	iwarp_info->rtr_type =  MPA_RTR_TYPE_ZERO_SEND |
+				MPA_RTR_TYPE_ZERO_WRITE |
+				MPA_RTR_TYPE_ZERO_READ;
+
+	spin_lock_init(&p_hwfn->p_rdma_info->iwarp.qp_lock);
+	INIT_LIST_HEAD(&p_hwfn->p_rdma_info->iwarp.ep_list);
+	INIT_LIST_HEAD(&p_hwfn->p_rdma_info->iwarp.listen_list);
+
+	qed_spq_register_async_cb(p_hwfn, PROTOCOLID_IWARP,
+				  qed_iwarp_async_event);
+
+	return qed_iwarp_ll2_start(p_hwfn, params, p_ptt);
+}
+
+int qed_iwarp_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
+{
+	int rc;
+
+	qed_iwarp_free_prealloc_ep(p_hwfn);
+	rc = qed_iwarp_wait_for_all_cids(p_hwfn);
+	if (rc)
+		return rc;
+
+	qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_IWARP);
+
+	return qed_iwarp_ll2_stop(p_hwfn, p_ptt);
+}
+
+void qed_iwarp_qp_in_error(struct qed_hwfn *p_hwfn,
+			   struct qed_iwarp_ep *ep, u8 fw_return_code)
+{
+	struct qed_iwarp_cm_event_params params;
+
+	qed_iwarp_modify_qp(p_hwfn, ep->qp, QED_IWARP_QP_STATE_ERROR, true);
+
+	params.event = QED_IWARP_EVENT_CLOSE;
+	params.ep_context = ep;
+	params.cm_info = &ep->cm_info;
+	params.status = (fw_return_code == IWARP_QP_IN_ERROR_GOOD_CLOSE) ?
+			 0 : -ECONNRESET;
+
+	ep->state = QED_IWARP_EP_CLOSED;
+	spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+	list_del(&ep->list_entry);
+	spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+
+	ep->event_cb(ep->cb_context, &params);
+}
+
+void qed_iwarp_exception_received(struct qed_hwfn *p_hwfn,
+				  struct qed_iwarp_ep *ep, int fw_ret_code)
+{
+	struct qed_iwarp_cm_event_params params;
+	bool event_cb = false;
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "EP(0x%x) fw_ret_code=%d\n",
+		   ep->cid, fw_ret_code);
+
+	switch (fw_ret_code) {
+	case IWARP_EXCEPTION_DETECTED_LLP_CLOSED:
+		params.status = 0;
+		params.event = QED_IWARP_EVENT_DISCONNECT;
+		event_cb = true;
+		break;
+	case IWARP_EXCEPTION_DETECTED_LLP_RESET:
+		params.status = -ECONNRESET;
+		params.event = QED_IWARP_EVENT_DISCONNECT;
+		event_cb = true;
+		break;
+	case IWARP_EXCEPTION_DETECTED_RQ_EMPTY:
+		params.event = QED_IWARP_EVENT_RQ_EMPTY;
+		event_cb = true;
+		break;
+	case IWARP_EXCEPTION_DETECTED_IRQ_FULL:
+		params.event = QED_IWARP_EVENT_IRQ_FULL;
+		event_cb = true;
+		break;
+	case IWARP_EXCEPTION_DETECTED_LLP_TIMEOUT:
+		params.event = QED_IWARP_EVENT_LLP_TIMEOUT;
+		event_cb = true;
+		break;
+	case IWARP_EXCEPTION_DETECTED_REMOTE_PROTECTION_ERROR:
+		params.event = QED_IWARP_EVENT_REMOTE_PROTECTION_ERROR;
+		event_cb = true;
+		break;
+	case IWARP_EXCEPTION_DETECTED_CQ_OVERFLOW:
+		params.event = QED_IWARP_EVENT_CQ_OVERFLOW;
+		event_cb = true;
+		break;
+	case IWARP_EXCEPTION_DETECTED_LOCAL_CATASTROPHIC:
+		params.event = QED_IWARP_EVENT_QP_CATASTROPHIC;
+		event_cb = true;
+		break;
+	case IWARP_EXCEPTION_DETECTED_LOCAL_ACCESS_ERROR:
+		params.event = QED_IWARP_EVENT_LOCAL_ACCESS_ERROR;
+		event_cb = true;
+		break;
+	case IWARP_EXCEPTION_DETECTED_REMOTE_OPERATION_ERROR:
+		params.event = QED_IWARP_EVENT_REMOTE_OPERATION_ERROR;
+		event_cb = true;
+		break;
+	case IWARP_EXCEPTION_DETECTED_TERMINATE_RECEIVED:
+		params.event = QED_IWARP_EVENT_TERMINATE_RECEIVED;
+		event_cb = true;
+		break;
+	default:
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+			   "Unhandled exception received...fw_ret_code=%d\n",
+			   fw_ret_code);
+		break;
+	}
+
+	if (event_cb) {
+		params.ep_context = ep;
+		params.cm_info = &ep->cm_info;
+		ep->event_cb(ep->cb_context, &params);
+	}
+}
+
+static void
+qed_iwarp_tcp_connect_unsuccessful(struct qed_hwfn *p_hwfn,
+				   struct qed_iwarp_ep *ep, u8 fw_return_code)
+{
+	struct qed_iwarp_cm_event_params params;
+
+	memset(&params, 0, sizeof(params));
+	params.event = QED_IWARP_EVENT_ACTIVE_COMPLETE;
+	params.ep_context = ep;
+	params.cm_info = &ep->cm_info;
+	ep->state = QED_IWARP_EP_CLOSED;
+
+	switch (fw_return_code) {
+	case IWARP_CONN_ERROR_TCP_CONNECT_INVALID_PACKET:
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+			   "%s(0x%x) TCP connect got invalid packet\n",
+			   QED_IWARP_CONNECT_MODE_STRING(ep), ep->tcp_cid);
+		params.status = -ECONNRESET;
+		break;
+	case IWARP_CONN_ERROR_TCP_CONNECTION_RST:
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+			   "%s(0x%x) TCP Connection Reset\n",
+			   QED_IWARP_CONNECT_MODE_STRING(ep), ep->tcp_cid);
+		params.status = -ECONNRESET;
+		break;
+	case IWARP_CONN_ERROR_TCP_CONNECT_TIMEOUT:
+		DP_NOTICE(p_hwfn, "%s(0x%x) TCP timeout\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->tcp_cid);
+		params.status = -EBUSY;
+		break;
+	case IWARP_CONN_ERROR_MPA_NOT_SUPPORTED_VER:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA not supported VER\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->tcp_cid);
+		params.status = -ECONNREFUSED;
+		break;
+	case IWARP_CONN_ERROR_MPA_INVALID_PACKET:
+		DP_NOTICE(p_hwfn, "%s(0x%x) MPA Invalid Packet\n",
+			  QED_IWARP_CONNECT_MODE_STRING(ep), ep->tcp_cid);
+		params.status = -ECONNRESET;
+		break;
+	default:
+		DP_ERR(p_hwfn,
+		       "%s(0x%x) Unexpected return code tcp connect: %d\n",
+		       QED_IWARP_CONNECT_MODE_STRING(ep),
+		       ep->tcp_cid, fw_return_code);
+		params.status = -ECONNRESET;
+		break;
+	}
+
+	if (ep->connect_mode == TCP_CONNECT_PASSIVE) {
+		ep->tcp_cid = QED_IWARP_INVALID_TCP_CID;
+		qed_iwarp_return_ep(p_hwfn, ep);
+	} else {
+		ep->event_cb(ep->cb_context, &params);
+		spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+		list_del(&ep->list_entry);
+		spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+	}
+}
+
+void
+qed_iwarp_connect_complete(struct qed_hwfn *p_hwfn,
+			   struct qed_iwarp_ep *ep, u8 fw_return_code)
+{
+	u8 ll2_syn_handle = p_hwfn->p_rdma_info->iwarp.ll2_syn_handle;
+
+	if (ep->connect_mode == TCP_CONNECT_PASSIVE) {
+		/* Done with the SYN packet, post back to ll2 rx */
+		qed_iwarp_ll2_post_rx(p_hwfn, ep->syn, ll2_syn_handle);
+
+		ep->syn = NULL;
+
+		/* If connect failed - upper layer doesn't know about it */
+		if (fw_return_code == RDMA_RETURN_OK)
+			qed_iwarp_mpa_received(p_hwfn, ep);
+		else
+			qed_iwarp_tcp_connect_unsuccessful(p_hwfn, ep,
+							   fw_return_code);
+	} else {
+		if (fw_return_code == RDMA_RETURN_OK)
+			qed_iwarp_mpa_offload(p_hwfn, ep);
+		else
+			qed_iwarp_tcp_connect_unsuccessful(p_hwfn, ep,
+							   fw_return_code);
+	}
+}
+
+static inline bool
+qed_iwarp_check_ep_ok(struct qed_hwfn *p_hwfn, struct qed_iwarp_ep *ep)
+{
+	if (!ep || (ep->sig != QED_EP_SIG)) {
+		DP_ERR(p_hwfn, "ERROR ON ASYNC ep=%p\n", ep);
+		return false;
+	}
+
+	return true;
+}
+
+static int qed_iwarp_async_event(struct qed_hwfn *p_hwfn,
+				 u8 fw_event_code, u16 echo,
+				 union event_ring_data *data,
+				 u8 fw_return_code)
+{
+	struct regpair *fw_handle = &data->rdma_data.async_handle;
+	struct qed_iwarp_ep *ep = NULL;
+	u16 cid;
+
+	ep = (struct qed_iwarp_ep *)(uintptr_t)HILO_64(fw_handle->hi,
+						       fw_handle->lo);
+
+	switch (fw_event_code) {
+	case IWARP_EVENT_TYPE_ASYNC_CONNECT_COMPLETE:
+		/* Async completion after TCP 3-way handshake */
+		if (!qed_iwarp_check_ep_ok(p_hwfn, ep))
+			return -EINVAL;
+		DP_VERBOSE(p_hwfn,
+			   QED_MSG_RDMA,
+			   "EP(0x%x) IWARP_EVENT_TYPE_ASYNC_CONNECT_COMPLETE fw_ret_code=%d\n",
+			   ep->tcp_cid, fw_return_code);
+		qed_iwarp_connect_complete(p_hwfn, ep, fw_return_code);
+		break;
+	case IWARP_EVENT_TYPE_ASYNC_EXCEPTION_DETECTED:
+		if (!qed_iwarp_check_ep_ok(p_hwfn, ep))
+			return -EINVAL;
+		DP_VERBOSE(p_hwfn,
+			   QED_MSG_RDMA,
+			   "QP(0x%x) IWARP_EVENT_TYPE_ASYNC_EXCEPTION_DETECTED fw_ret_code=%d\n",
+			   ep->cid, fw_return_code);
+		qed_iwarp_exception_received(p_hwfn, ep, fw_return_code);
+		break;
+	case IWARP_EVENT_TYPE_ASYNC_QP_IN_ERROR_STATE:
+		/* Async completion for Close Connection ramrod */
+		if (!qed_iwarp_check_ep_ok(p_hwfn, ep))
+			return -EINVAL;
+		DP_VERBOSE(p_hwfn,
+			   QED_MSG_RDMA,
+			   "QP(0x%x) IWARP_EVENT_TYPE_ASYNC_QP_IN_ERROR_STATE fw_ret_code=%d\n",
+			   ep->cid, fw_return_code);
+		qed_iwarp_qp_in_error(p_hwfn, ep, fw_return_code);
+		break;
+	case IWARP_EVENT_TYPE_ASYNC_ENHANCED_MPA_REPLY_ARRIVED:
+		/* Async event for active side only */
+		if (!qed_iwarp_check_ep_ok(p_hwfn, ep))
+			return -EINVAL;
+		DP_VERBOSE(p_hwfn,
+			   QED_MSG_RDMA,
+			   "QP(0x%x) IWARP_EVENT_TYPE_ASYNC_MPA_HANDSHAKE_MPA_REPLY_ARRIVED fw_ret_code=%d\n",
+			   ep->cid, fw_return_code);
+		qed_iwarp_mpa_reply_arrived(p_hwfn, ep);
+		break;
+	case IWARP_EVENT_TYPE_ASYNC_MPA_HANDSHAKE_COMPLETE:
+		if (!qed_iwarp_check_ep_ok(p_hwfn, ep))
+			return -EINVAL;
+		DP_VERBOSE(p_hwfn,
+			   QED_MSG_RDMA,
+			   "QP(0x%x) IWARP_EVENT_TYPE_ASYNC_MPA_HANDSHAKE_COMPLETE fw_ret_code=%d\n",
+			   ep->cid, fw_return_code);
+		qed_iwarp_mpa_complete(p_hwfn, ep, fw_return_code);
+		break;
+	case IWARP_EVENT_TYPE_ASYNC_CID_CLEANED:
+		cid = (u16)le32_to_cpu(fw_handle->lo);
+		DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+			   "(0x%x)IWARP_EVENT_TYPE_ASYNC_CID_CLEANED\n", cid);
+		qed_iwarp_cid_cleaned(p_hwfn, cid);
+
+		break;
+	case IWARP_EVENT_TYPE_ASYNC_CQ_OVERFLOW:
+		DP_NOTICE(p_hwfn, "IWARP_EVENT_TYPE_ASYNC_CQ_OVERFLOW\n");
+
+		p_hwfn->p_rdma_info->events.affiliated_event(
+			p_hwfn->p_rdma_info->events.context,
+			QED_IWARP_EVENT_CQ_OVERFLOW,
+			(void *)fw_handle);
+		break;
+	default:
+		DP_ERR(p_hwfn, "Received unexpected async iwarp event %d\n",
+		       fw_event_code);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+int
+qed_iwarp_create_listen(void *rdma_cxt,
+			struct qed_iwarp_listen_in *iparams,
+			struct qed_iwarp_listen_out *oparams)
+{
+	struct qed_hwfn *p_hwfn = rdma_cxt;
+	struct qed_iwarp_listener *listener;
+
+	listener = kzalloc(sizeof(*listener), GFP_KERNEL);
+	if (!listener)
+		return -ENOMEM;
+
+	listener->ip_version = iparams->ip_version;
+	memcpy(listener->ip_addr, iparams->ip_addr, sizeof(listener->ip_addr));
+	listener->port = iparams->port;
+	listener->vlan = iparams->vlan;
+
+	listener->event_cb = iparams->event_cb;
+	listener->cb_context = iparams->cb_context;
+	listener->max_backlog = iparams->max_backlog;
+	oparams->handle = listener;
+
+	spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+	list_add_tail(&listener->list_entry,
+		      &p_hwfn->p_rdma_info->iwarp.listen_list);
+	spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+
+	DP_VERBOSE(p_hwfn,
+		   QED_MSG_RDMA,
+		   "callback=%p handle=%p ip=%x:%x:%x:%x port=0x%x vlan=0x%x\n",
+		   listener->event_cb,
+		   listener,
+		   listener->ip_addr[0],
+		   listener->ip_addr[1],
+		   listener->ip_addr[2],
+		   listener->ip_addr[3], listener->port, listener->vlan);
+
+	return 0;
+}
+
+int qed_iwarp_destroy_listen(void *rdma_cxt, void *handle)
+{
+	struct qed_iwarp_listener *listener = handle;
+	struct qed_hwfn *p_hwfn = rdma_cxt;
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "handle=%p\n", handle);
+
+	spin_lock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+	list_del(&listener->list_entry);
+	spin_unlock_bh(&p_hwfn->p_rdma_info->iwarp.iw_lock);
+
+	kfree(listener);
+
+	return 0;
+}
+
+int qed_iwarp_send_rtr(void *rdma_cxt, struct qed_iwarp_send_rtr_in *iparams)
+{
+	struct qed_hwfn *p_hwfn = rdma_cxt;
+	struct qed_sp_init_data init_data;
+	struct qed_spq_entry *p_ent;
+	struct qed_iwarp_ep *ep;
+	struct qed_rdma_qp *qp;
+	int rc;
+
+	ep = iparams->ep_context;
+	if (!ep) {
+		DP_ERR(p_hwfn, "Ep Context receive in send_rtr is NULL\n");
+		return -EINVAL;
+	}
+
+	qp = ep->qp;
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "QP(0x%x) EP(0x%x)\n",
+		   qp->icid, ep->tcp_cid);
+
+	memset(&init_data, 0, sizeof(init_data));
+	init_data.cid = qp->icid;
+	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
+	init_data.comp_mode = QED_SPQ_MODE_CB;
+
+	rc = qed_sp_init_request(p_hwfn, &p_ent,
+				 IWARP_RAMROD_CMD_ID_MPA_OFFLOAD_SEND_RTR,
+				 PROTOCOLID_IWARP, &init_data);
+
+	if (rc)
+		return rc;
+
+	rc = qed_spq_post(p_hwfn, p_ent, NULL);
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "rc = 0x%x\n", rc);
+
+	return rc;
+}
+
+void
+qed_iwarp_query_qp(struct qed_rdma_qp *qp,
+		   struct qed_rdma_query_qp_out_params *out_params)
+{
+	out_params->state = qed_iwarp2roce_state(qp->iwarp_state);
+}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.h b/drivers/net/ethernet/qlogic/qed/qed_iwarp.h
new file mode 100644
index 000000000000..148ef3c33a5d
--- /dev/null
+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.h
@@ -0,0 +1,189 @@
+/* QLogic qed NIC Driver
+ * Copyright (c) 2015-2017  QLogic Corporation
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and /or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _QED_IWARP_H
+#define _QED_IWARP_H
+
+enum qed_iwarp_qp_state {
+	QED_IWARP_QP_STATE_IDLE,
+	QED_IWARP_QP_STATE_RTS,
+	QED_IWARP_QP_STATE_TERMINATE,
+	QED_IWARP_QP_STATE_CLOSING,
+	QED_IWARP_QP_STATE_ERROR,
+};
+
+enum qed_iwarp_qp_state qed_roce2iwarp_state(enum qed_roce_qp_state state);
+
+#define QED_IWARP_PREALLOC_CNT  (256)
+
+#define QED_IWARP_LL2_SYN_TX_SIZE       (128)
+#define QED_IWARP_LL2_SYN_RX_SIZE       (256)
+#define QED_IWARP_MAX_SYN_PKT_SIZE      (128)
+#define QED_IWARP_HANDLE_INVAL			(0xff)
+
+struct qed_iwarp_ll2_buff {
+	void *data;
+	dma_addr_t data_phys_addr;
+	u32 buff_size;
+};
+
+struct qed_iwarp_info {
+	struct list_head listen_list;	/* qed_iwarp_listener */
+	struct list_head ep_list;	/* qed_iwarp_ep */
+	struct list_head ep_free_list;	/* pre-allocated ep's */
+	spinlock_t iw_lock;	/* for iwarp resources */
+	spinlock_t qp_lock;	/* for teardown races */
+	u32 rcv_wnd_scale;
+	u16 max_mtu;
+	u8 mac_addr[ETH_ALEN];
+	u8 crc_needed;
+	u8 tcp_flags;
+	u8 ll2_syn_handle;
+	u8 peer2peer;
+	enum mpa_negotiation_mode mpa_rev;
+	enum mpa_rtr_type rtr_type;
+};
+
+enum qed_iwarp_ep_state {
+	QED_IWARP_EP_INIT,
+	QED_IWARP_EP_MPA_REQ_RCVD,
+	QED_IWARP_EP_MPA_OFFLOADED,
+	QED_IWARP_EP_ESTABLISHED,
+	QED_IWARP_EP_CLOSED
+};
+
+union async_output {
+	struct iwarp_eqe_data_mpa_async_completion mpa_response;
+	struct iwarp_eqe_data_tcp_async_completion mpa_request;
+};
+
+#define QED_MAX_PRIV_DATA_LEN (512)
+struct qed_iwarp_ep_memory {
+	u8 in_pdata[QED_MAX_PRIV_DATA_LEN];
+	u8 out_pdata[QED_MAX_PRIV_DATA_LEN];
+	union async_output async_output;
+};
+
+/* Endpoint structure represents a TCP connection. This connection can be
+ * associated with a QP or not (in which case QP==NULL)
+ */
+struct qed_iwarp_ep {
+	struct list_head list_entry;
+	struct qed_rdma_qp *qp;
+	struct qed_iwarp_ep_memory *ep_buffer_virt;
+	dma_addr_t ep_buffer_phys;
+	enum qed_iwarp_ep_state state;
+	int sig;
+	struct qed_iwarp_cm_info cm_info;
+	enum tcp_connect_mode connect_mode;
+	enum mpa_rtr_type rtr_type;
+	enum mpa_negotiation_mode mpa_rev;
+	u32 tcp_cid;
+	u32 cid;
+	u16 mss;
+	u8 remote_mac_addr[6];
+	u8 local_mac_addr[6];
+	bool mpa_reply_processed;
+
+	/* For Passive side - syn packet related data */
+	u16 syn_ip_payload_length;
+	struct qed_iwarp_ll2_buff *syn;
+	dma_addr_t syn_phy_addr;
+
+	/* The event_cb function is called for asynchrounous events associated
+	 * with the ep. It is initialized at different entry points depending
+	 * on whether the ep is the tcp connection active side or passive side
+	 * The cb_context is passed to the event_cb function.
+	 */
+	iwarp_event_handler event_cb;
+	void *cb_context;
+};
+
+struct qed_iwarp_listener {
+	struct list_head list_entry;
+
+	/* The event_cb function is called for connection requests.
+	 * The cb_context is passed to the event_cb function.
+	 */
+	iwarp_event_handler event_cb;
+	void *cb_context;
+	u32 max_backlog;
+	u32 ip_addr[4];
+	u16 port;
+	u16 vlan;
+	u8 ip_version;
+};
+
+int qed_iwarp_alloc(struct qed_hwfn *p_hwfn);
+
+int qed_iwarp_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
+		    struct qed_rdma_start_in_params *params);
+
+int qed_iwarp_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
+
+void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn);
+
+void qed_iwarp_init_devinfo(struct qed_hwfn *p_hwfn);
+
+void qed_iwarp_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
+
+int qed_iwarp_create_qp(struct qed_hwfn *p_hwfn,
+			struct qed_rdma_qp *qp,
+			struct qed_rdma_create_qp_out_params *out_params);
+
+int qed_iwarp_modify_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp,
+			enum qed_iwarp_qp_state new_state, bool internal);
+
+int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp);
+
+int qed_iwarp_fw_destroy(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp);
+
+void qed_iwarp_query_qp(struct qed_rdma_qp *qp,
+			struct qed_rdma_query_qp_out_params *out_params);
+
+int
+qed_iwarp_connect(void *rdma_cxt,
+		  struct qed_iwarp_connect_in *iparams,
+		  struct qed_iwarp_connect_out *oparams);
+
+int
+qed_iwarp_create_listen(void *rdma_cxt,
+			struct qed_iwarp_listen_in *iparams,
+			struct qed_iwarp_listen_out *oparams);
+
+int qed_iwarp_accept(void *rdma_cxt, struct qed_iwarp_accept_in *iparams);
+
+int qed_iwarp_reject(void *rdma_cxt, struct qed_iwarp_reject_in *iparams);
+int qed_iwarp_destroy_listen(void *rdma_cxt, void *handle);
+
+int qed_iwarp_send_rtr(void *rdma_cxt, struct qed_iwarp_send_rtr_in *iparams);
+
+#endif
diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c
index e57699bfbdfa..0ba5ec8a9814 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_l2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c
@@ -79,8 +79,7 @@ int qed_l2_alloc(struct qed_hwfn *p_hwfn)
 	unsigned long **pp_qids;
 	u32 i;
 
-	if (p_hwfn->hw_info.personality != QED_PCI_ETH &&
-	    p_hwfn->hw_info.personality != QED_PCI_ETH_ROCE)
+	if (!QED_IS_L2_PERSONALITY(p_hwfn))
 		return 0;
 
 	p_l2_info = kzalloc(sizeof(*p_l2_info), GFP_KERNEL);
@@ -1228,19 +1227,6 @@ static enum eth_filter_action qed_filter_action(enum qed_filter_opcode opcode)
 	return action;
 }
 
-static void qed_set_fw_mac_addr(__le16 *fw_msb,
-				__le16 *fw_mid,
-				__le16 *fw_lsb,
-				u8 *mac)
-{
-	((u8 *)fw_msb)[0] = mac[1];
-	((u8 *)fw_msb)[1] = mac[0];
-	((u8 *)fw_mid)[0] = mac[3];
-	((u8 *)fw_mid)[1] = mac[2];
-	((u8 *)fw_lsb)[0] = mac[5];
-	((u8 *)fw_lsb)[1] = mac[4];
-}
-
 static int
 qed_filter_ucast_common(struct qed_hwfn *p_hwfn,
 			u16 opaque_fid,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
index 17f9b0a7b553..c06ad4f0758e 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -309,7 +309,7 @@ static void qed_ll2_txq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle)
 		list_del(&p_pkt->list_entry);
 		b_last_packet = list_empty(&p_tx->active_descq);
 		list_add_tail(&p_pkt->list_entry, &p_tx->free_descq);
-		if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_ISCSI_OOO) {
+		if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_OOO) {
 			struct qed_ooo_buffer *p_buffer;
 
 			p_buffer = (struct qed_ooo_buffer *)p_pkt->cookie;
@@ -532,7 +532,7 @@ static void qed_ll2_rxq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle)
 
 		list_move_tail(&p_pkt->list_entry, &p_rx->free_descq);
 
-		if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_ISCSI_OOO) {
+		if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_OOO) {
 			struct qed_ooo_buffer *p_buffer;
 
 			p_buffer = (struct qed_ooo_buffer *)p_pkt->cookie;
@@ -893,11 +893,11 @@ static int qed_sp_ll2_rx_queue_start(struct qed_hwfn *p_hwfn,
 	p_ramrod->drop_ttl0_flg = p_ll2_conn->input.rx_drop_ttl0_flg;
 	p_ramrod->inner_vlan_removal_en = p_ll2_conn->input.rx_vlan_removal_en;
 	p_ramrod->queue_id = p_ll2_conn->queue_id;
-	p_ramrod->main_func_queue = (conn_type == QED_LL2_TYPE_ISCSI_OOO) ? 0
-									  : 1;
+	p_ramrod->main_func_queue = (conn_type == QED_LL2_TYPE_OOO) ? 0 : 1;
 
 	if ((IS_MF_DEFAULT(p_hwfn) || IS_MF_SI(p_hwfn)) &&
-	    p_ramrod->main_func_queue && (conn_type != QED_LL2_TYPE_ROCE)) {
+	    p_ramrod->main_func_queue && (conn_type != QED_LL2_TYPE_ROCE) &&
+	    (conn_type != QED_LL2_TYPE_IWARP)) {
 		p_ramrod->mf_si_bcast_accept_all = 1;
 		p_ramrod->mf_si_mcast_accept_all = 1;
 	} else {
@@ -924,7 +924,7 @@ static int qed_sp_ll2_tx_queue_start(struct qed_hwfn *p_hwfn,
 	if (!QED_LL2_TX_REGISTERED(p_ll2_conn))
 		return 0;
 
-	if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_ISCSI_OOO)
+	if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_OOO)
 		p_ll2_conn->tx_stats_en = 0;
 	else
 		p_ll2_conn->tx_stats_en = 1;
@@ -955,10 +955,10 @@ static int qed_sp_ll2_tx_queue_start(struct qed_hwfn *p_hwfn,
 	p_ramrod->pbl_size = cpu_to_le16(pbl_size);
 
 	switch (p_ll2_conn->input.tx_tc) {
-	case LB_TC:
+	case PURE_LB_TC:
 		pq_id = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LB);
 		break;
-	case OOO_LB_TC:
+	case PKT_LB_TC:
 		pq_id = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OOO);
 		break;
 	default:
@@ -973,12 +973,20 @@ static int qed_sp_ll2_tx_queue_start(struct qed_hwfn *p_hwfn,
 		p_ramrod->conn_type = PROTOCOLID_FCOE;
 		break;
 	case QED_LL2_TYPE_ISCSI:
-	case QED_LL2_TYPE_ISCSI_OOO:
 		p_ramrod->conn_type = PROTOCOLID_ISCSI;
 		break;
 	case QED_LL2_TYPE_ROCE:
 		p_ramrod->conn_type = PROTOCOLID_ROCE;
 		break;
+	case QED_LL2_TYPE_IWARP:
+		p_ramrod->conn_type = PROTOCOLID_IWARP;
+		break;
+	case QED_LL2_TYPE_OOO:
+		if (p_hwfn->hw_info.personality == QED_PCI_ISCSI)
+			p_ramrod->conn_type = PROTOCOLID_ISCSI;
+		else
+			p_ramrod->conn_type = PROTOCOLID_IWARP;
+		break;
 	default:
 		p_ramrod->conn_type = PROTOCOLID_ETH;
 		DP_NOTICE(p_hwfn, "Unknown connection type: %d\n", conn_type);
@@ -1142,7 +1150,7 @@ qed_ll2_acquire_connection_ooo(struct qed_hwfn *p_hwfn,
 	u16 buf_idx;
 	int rc = 0;
 
-	if (p_ll2_info->input.conn_type != QED_LL2_TYPE_ISCSI_OOO)
+	if (p_ll2_info->input.conn_type != QED_LL2_TYPE_OOO)
 		return rc;
 
 	/* Correct number of requested OOO buffers if needed */
@@ -1280,7 +1288,7 @@ int qed_ll2_acquire_connection(void *cxt, struct qed_ll2_acquire_data *data)
 		goto q_allocate_fail;
 
 	/* Register callbacks for the Rx/Tx queues */
-	if (data->input.conn_type == QED_LL2_TYPE_ISCSI_OOO) {
+	if (data->input.conn_type == QED_LL2_TYPE_OOO) {
 		comp_rx_cb = qed_ll2_lb_rxq_completion;
 		comp_tx_cb = qed_ll2_lb_txq_completion;
 	} else {
@@ -1339,7 +1347,7 @@ static void
 qed_ll2_establish_connection_ooo(struct qed_hwfn *p_hwfn,
 				 struct qed_ll2_info *p_ll2_conn)
 {
-	if (p_ll2_conn->input.conn_type != QED_LL2_TYPE_ISCSI_OOO)
+	if (p_ll2_conn->input.conn_type != QED_LL2_TYPE_OOO)
 		return;
 
 	qed_ooo_release_all_isles(p_hwfn, p_hwfn->p_ooo_info);
@@ -1421,7 +1429,7 @@ int qed_ll2_establish_connection(void *cxt, u8 connection_handle)
 	if (rc)
 		goto out;
 
-	if (p_hwfn->hw_info.personality != QED_PCI_ETH_ROCE)
+	if (!QED_IS_RDMA_PERSONALITY(p_hwfn))
 		qed_wr(p_hwfn, p_ptt, PRS_REG_USE_LIGHT_L2, 1);
 
 	qed_ll2_establish_connection_ooo(p_hwfn, p_ll2_conn);
@@ -1794,7 +1802,7 @@ int qed_ll2_terminate_connection(void *cxt, u8 connection_handle)
 		qed_ll2_rxq_flush(p_hwfn, connection_handle);
 	}
 
-	if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_ISCSI_OOO)
+	if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_OOO)
 		qed_ooo_release_all_isles(p_hwfn, p_hwfn->p_ooo_info);
 
 	if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_FCOE) {
@@ -1816,7 +1824,7 @@ static void qed_ll2_release_connection_ooo(struct qed_hwfn *p_hwfn,
 {
 	struct qed_ooo_buffer *p_buffer;
 
-	if (p_ll2_conn->input.conn_type != QED_LL2_TYPE_ISCSI_OOO)
+	if (p_ll2_conn->input.conn_type != QED_LL2_TYPE_OOO)
 		return;
 
 	qed_ooo_release_all_isles(p_hwfn, p_hwfn->p_ooo_info);
@@ -2063,7 +2071,7 @@ static void qed_ll2_set_conn_data(struct qed_dev *cdev,
 	ll2_cbs.cookie = QED_LEADING_HWFN(cdev);
 
 	if (lb) {
-		data->input.tx_tc = OOO_LB_TC;
+		data->input.tx_tc = PKT_LB_TC;
 		data->input.tx_dest = QED_LL2_TX_DEST_LB;
 	} else {
 		data->input.tx_tc = 0;
@@ -2080,7 +2088,7 @@ static int qed_ll2_start_ooo(struct qed_dev *cdev,
 	int rc;
 
 	qed_ll2_set_conn_data(cdev, &data, params,
-			      QED_LL2_TYPE_ISCSI_OOO, handle, true);
+			      QED_LL2_TYPE_OOO, handle, true);
 
 	rc = qed_ll2_acquire_connection(hwfn, &data);
 	if (rc) {
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 16cc30b11cce..b11399606990 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -237,6 +237,8 @@ err0:
 int qed_fill_dev_info(struct qed_dev *cdev,
 		      struct qed_dev_info *dev_info)
 {
+	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
+	struct qed_hw_info *hw_info = &p_hwfn->hw_info;
 	struct qed_tunnel_info *tun = &cdev->tunnel;
 	struct qed_ptt  *ptt;
 
@@ -260,11 +262,10 @@ int qed_fill_dev_info(struct qed_dev *cdev,
 	dev_info->pci_mem_start = cdev->pci_params.mem_start;
 	dev_info->pci_mem_end = cdev->pci_params.mem_end;
 	dev_info->pci_irq = cdev->pci_params.irq;
-	dev_info->rdma_supported = (cdev->hwfns[0].hw_info.personality ==
-				    QED_PCI_ETH_ROCE);
+	dev_info->rdma_supported = QED_IS_RDMA_PERSONALITY(p_hwfn);
 	dev_info->is_mf_default = IS_MF_DEFAULT(&cdev->hwfns[0]);
 	dev_info->dev_type = cdev->type;
-	ether_addr_copy(dev_info->hw_mac, cdev->hwfns[0].hw_info.hw_mac_addr);
+	ether_addr_copy(dev_info->hw_mac, hw_info->hw_mac_addr);
 
 	if (IS_PF(cdev)) {
 		dev_info->fw_major = FW_MAJOR_VERSION;
@@ -274,8 +275,7 @@ int qed_fill_dev_info(struct qed_dev *cdev,
 		dev_info->mf_mode = cdev->mf_mode;
 		dev_info->tx_switching = true;
 
-		if (QED_LEADING_HWFN(cdev)->hw_info.b_wol_support ==
-		    QED_WOL_SUPPORT_PME)
+		if (hw_info->b_wol_support == QED_WOL_SUPPORT_PME)
 			dev_info->wol_support = true;
 
 		dev_info->abs_pf_id = QED_LEADING_HWFN(cdev)->abs_pf_id;
@@ -304,7 +304,7 @@ int qed_fill_dev_info(struct qed_dev *cdev,
 				    &dev_info->mfw_rev, NULL);
 	}
 
-	dev_info->mtu = QED_LEADING_HWFN(cdev)->hw_info.mtu;
+	dev_info->mtu = hw_info->mtu;
 
 	return 0;
 }
@@ -790,7 +790,7 @@ static int qed_slowpath_setup_int(struct qed_dev *cdev,
 				       cdev->num_hwfns;
 
 	if (!IS_ENABLED(CONFIG_QED_RDMA) ||
-	    QED_LEADING_HWFN(cdev)->hw_info.personality != QED_PCI_ETH_ROCE)
+	    !QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev)))
 		return 0;
 
 	for_each_hwfn(cdev, i)
@@ -931,8 +931,7 @@ static void qed_update_pf_params(struct qed_dev *cdev,
 	/* In case we might support RDMA, don't allow qede to be greedy
 	 * with the L2 contexts. Allow for 64 queues [rx, tx, xdp] per hwfn.
 	 */
-	if (QED_LEADING_HWFN(cdev)->hw_info.personality ==
-	    QED_PCI_ETH_ROCE) {
+	if (QED_IS_RDMA_PERSONALITY(QED_LEADING_HWFN(cdev))) {
 		u16 *num_cons;
 
 		num_cons = &params->eth_pf_params.num_cons;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index df76e212f86e..6fb99518a61f 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -161,7 +161,10 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn,
 	num_cons = qed_cxt_get_proto_cid_count(p_hwfn, p_rdma_info->proto,
 					       NULL);
 
-	p_rdma_info->num_qps = num_cons / 2;
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn))
+		p_rdma_info->num_qps = num_cons;
+	else
+		p_rdma_info->num_qps = num_cons / 2; /* 2 cids per qp */
 
 	num_tasks = qed_cxt_get_proto_tid_count(p_hwfn, PROTOCOLID_ROCE);
 
@@ -252,6 +255,13 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn,
 			   "Failed to allocate real cid bitmap, rc = %d\n", rc);
 		goto free_cid_map;
 	}
+
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn))
+		rc = qed_iwarp_alloc(p_hwfn);
+
+	if (rc)
+		goto free_cid_map;
+
 	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Allocation successful\n");
 	return 0;
 
@@ -329,6 +339,9 @@ static void qed_rdma_resc_free(struct qed_hwfn *p_hwfn)
 {
 	struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
 
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn))
+		qed_iwarp_resc_free(p_hwfn);
+
 	qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->cid_map, 1);
 	qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->pd_map, 1);
 	qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->dpi_map, 1);
@@ -470,6 +483,9 @@ static void qed_rdma_init_devinfo(struct qed_hwfn *p_hwfn,
 
 	if (pci_status_control & PCI_EXP_DEVCTL2_LTR_EN)
 		SET_FIELD(dev->dev_caps, QED_RDMA_DEV_CAP_ATOMIC_OP, 1);
+
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn))
+		qed_iwarp_init_devinfo(p_hwfn);
 }
 
 static void qed_rdma_init_port(struct qed_hwfn *p_hwfn)
@@ -490,29 +506,17 @@ static void qed_rdma_init_port(struct qed_hwfn *p_hwfn)
 
 static int qed_rdma_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 {
-	u32 ll2_ethertype_en;
+	int rc = 0;
 
 	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Initializing HW\n");
 	p_hwfn->b_rdma_enabled_in_prs = false;
 
-	qed_wr(p_hwfn, p_ptt, PRS_REG_ROCE_DEST_QP_MAX_PF, 0);
-
-	p_hwfn->rdma_prs_search_reg = PRS_REG_SEARCH_ROCE;
-
-	/* We delay writing to this reg until first cid is allocated. See
-	 * qed_cxt_dynamic_ilt_alloc function for more details
-	 */
-	ll2_ethertype_en = qed_rd(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN);
-	qed_wr(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN,
-	       (ll2_ethertype_en | 0x01));
-
-	if (qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_ROCE) % 2) {
-		DP_NOTICE(p_hwfn, "The first RoCE's cid should be even\n");
-		return -EINVAL;
-	}
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn))
+		qed_iwarp_init_hw(p_hwfn, p_ptt);
+	else
+		rc = qed_roce_init_hw(p_hwfn, p_ptt);
 
-	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Initializing HW - Done\n");
-	return 0;
+	return rc;
 }
 
 static int qed_rdma_start_fw(struct qed_hwfn *p_hwfn,
@@ -544,7 +548,10 @@ static int qed_rdma_start_fw(struct qed_hwfn *p_hwfn,
 	if (rc)
 		return rc;
 
-	p_ramrod = &p_ent->ramrod.roce_init_func.rdma;
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn))
+		p_ramrod = &p_ent->ramrod.iwarp_init_func.rdma;
+	else
+		p_ramrod = &p_ent->ramrod.roce_init_func.rdma;
 
 	p_params_header = &p_ramrod->params_header;
 	p_params_header->cnq_start_offset = (u8)RESC_START(p_hwfn,
@@ -641,7 +648,15 @@ static int qed_rdma_setup(struct qed_hwfn *p_hwfn,
 	if (rc)
 		return rc;
 
-	qed_roce_setup(p_hwfn);
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn)) {
+		rc = qed_iwarp_setup(p_hwfn, p_ptt, params);
+		if (rc)
+			return rc;
+	} else {
+		rc = qed_roce_setup(p_hwfn);
+		if (rc)
+			return rc;
+	}
 
 	return qed_rdma_start_fw(p_hwfn, params, p_ptt);
 }
@@ -675,7 +690,16 @@ int qed_rdma_stop(void *rdma_cxt)
 	qed_wr(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN,
 	       (ll2_ethertype_en & 0xFFFE));
 
-	qed_roce_stop(p_hwfn);
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn)) {
+		rc = qed_iwarp_stop(p_hwfn, p_ptt);
+		if (rc) {
+			qed_ptt_release(p_hwfn, p_ptt);
+			return rc;
+		}
+	} else {
+		qed_roce_stop(p_hwfn);
+	}
+
 	qed_ptt_release(p_hwfn, p_ptt);
 
 	/* Get SPQ entry */
@@ -810,7 +834,9 @@ static int qed_fill_rdma_dev_info(struct qed_dev *cdev,
 
 	memset(info, 0, sizeof(*info));
 
-	info->rdma_type = QED_RDMA_TYPE_ROCE;
+	info->rdma_type = QED_IS_ROCE_PERSONALITY(p_hwfn) ?
+	    QED_RDMA_TYPE_ROCE : QED_RDMA_TYPE_IWARP;
+
 	info->user_dpm_enabled = (p_hwfn->db_bar_no_edpm == 0);
 
 	qed_fill_dev_info(cdev, &info->common);
@@ -1112,7 +1138,7 @@ static int qed_rdma_query_qp(void *rdma_cxt,
 			     struct qed_rdma_query_qp_out_params *out_params)
 {
 	struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
-	int rc;
+	int rc = 0;
 
 	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
 
@@ -1138,7 +1164,10 @@ static int qed_rdma_query_qp(void *rdma_cxt,
 	out_params->max_dest_rd_atomic = qp->max_rd_atomic_resp;
 	out_params->sqd_async = qp->sqd_async;
 
-	rc = qed_roce_query_qp(p_hwfn, qp, out_params);
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn))
+		qed_iwarp_query_qp(qp, out_params);
+	else
+		rc = qed_roce_query_qp(p_hwfn, qp, out_params);
 
 	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Query QP, rc = %d\n", rc);
 	return rc;
@@ -1151,7 +1180,10 @@ static int qed_rdma_destroy_qp(void *rdma_cxt, struct qed_rdma_qp *qp)
 
 	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
 
-	rc = qed_roce_destroy_qp(p_hwfn, qp);
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn))
+		rc = qed_iwarp_destroy_qp(p_hwfn, qp);
+	else
+		rc = qed_roce_destroy_qp(p_hwfn, qp);
 
 	/* free qp params struct */
 	kfree(qp);
@@ -1190,20 +1222,27 @@ qed_rdma_create_qp(void *rdma_cxt,
 		return NULL;
 	}
 
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn)) {
+		if (in_params->sq_num_pages * sizeof(struct regpair) >
+		    IWARP_SHARED_QUEUE_PAGE_SQ_PBL_MAX_SIZE) {
+			DP_NOTICE(p_hwfn->cdev,
+				  "Sq num pages: %d exceeds maximum\n",
+				  in_params->sq_num_pages);
+			return NULL;
+		}
+		if (in_params->rq_num_pages * sizeof(struct regpair) >
+		    IWARP_SHARED_QUEUE_PAGE_RQ_PBL_MAX_SIZE) {
+			DP_NOTICE(p_hwfn->cdev,
+				  "Rq num pages: %d exceeds maximum\n",
+				  in_params->rq_num_pages);
+			return NULL;
+		}
+	}
+
 	qp = kzalloc(sizeof(*qp), GFP_KERNEL);
 	if (!qp)
 		return NULL;
 
-	rc = qed_roce_alloc_cid(p_hwfn, &qp->icid);
-	qp->qpid = ((0xFF << 16) | qp->icid);
-
-	DP_INFO(p_hwfn, "ROCE qpid=%x\n", qp->qpid);
-
-	if (rc) {
-		kfree(qp);
-		return NULL;
-	}
-
 	qp->cur_state = QED_ROCE_QP_STATE_RESET;
 	qp->qp_handle.hi = cpu_to_le32(in_params->qp_handle_hi);
 	qp->qp_handle.lo = cpu_to_le32(in_params->qp_handle_lo);
@@ -1226,6 +1265,19 @@ qed_rdma_create_qp(void *rdma_cxt,
 	qp->e2e_flow_control_en = qp->use_srq ? false : true;
 	qp->stats_queue = in_params->stats_queue;
 
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn)) {
+		rc = qed_iwarp_create_qp(p_hwfn, qp, out_params);
+		qp->qpid = qp->icid;
+	} else {
+		rc = qed_roce_alloc_cid(p_hwfn, &qp->icid);
+		qp->qpid = ((0xFF << 16) | qp->icid);
+	}
+
+	if (rc) {
+		kfree(qp);
+		return NULL;
+	}
+
 	out_params->icid = qp->icid;
 	out_params->qp_id = qp->qpid;
 
@@ -1324,7 +1376,14 @@ static int qed_rdma_modify_qp(void *rdma_cxt,
 			   qp->cur_state);
 	}
 
-	rc = qed_roce_modify_qp(p_hwfn, qp, prev_state, params);
+	if (QED_IS_IWARP_PERSONALITY(p_hwfn)) {
+		enum qed_iwarp_qp_state new_state =
+		    qed_roce2iwarp_state(qp->cur_state);
+
+		rc = qed_iwarp_modify_qp(p_hwfn, qp, new_state, 0);
+	} else {
+		rc = qed_roce_modify_qp(p_hwfn, qp, prev_state, params);
+	}
 
 	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Modify QP, rc = %d\n", rc);
 	return rc;
@@ -1713,6 +1772,12 @@ static const struct qed_rdma_ops qed_rdma_ops_pass = {
 	.ll2_set_fragment_of_tx_packet = &qed_ll2_set_fragment_of_tx_packet,
 	.ll2_set_mac_filter = &qed_roce_ll2_set_mac_filter,
 	.ll2_get_stats = &qed_ll2_get_stats,
+	.iwarp_connect = &qed_iwarp_connect,
+	.iwarp_create_listen = &qed_iwarp_create_listen,
+	.iwarp_destroy_listen = &qed_iwarp_destroy_listen,
+	.iwarp_accept = &qed_iwarp_accept,
+	.iwarp_reject = &qed_iwarp_reject,
+	.iwarp_send_rtr = &qed_iwarp_send_rtr,
 };
 
 const struct qed_rdma_ops *qed_get_rdma_ops(void)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.h b/drivers/net/ethernet/qlogic/qed/qed_rdma.h
index d91e5c4069a6..18ec9cbd84f5 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.h
@@ -42,6 +42,7 @@
 #include "qed.h"
 #include "qed_dev_api.h"
 #include "qed_hsi.h"
+#include "qed_iwarp.h"
 #include "qed_roce.h"
 
 #define QED_RDMA_MAX_FMR                    (RDMA_MAX_TIDS)
@@ -84,6 +85,7 @@ struct qed_rdma_info {
 	struct qed_bmap qp_map;
 	struct qed_bmap srq_map;
 	struct qed_bmap cid_map;
+	struct qed_bmap tcp_cid_map;
 	struct qed_bmap real_cid_map;
 	struct qed_bmap dpi_map;
 	struct qed_bmap toggle_bits;
@@ -97,6 +99,7 @@ struct qed_rdma_info {
 	u16 queue_zone_base;
 	u16 max_queue_zones;
 	enum protocol_type proto;
+	struct qed_iwarp_info iwarp;
 };
 
 struct qed_rdma_qp {
@@ -105,6 +108,7 @@ struct qed_rdma_qp {
 	u32 qpid;
 	u16 icid;
 	enum qed_roce_qp_state cur_state;
+	enum qed_iwarp_qp_state iwarp_state;
 	bool use_srq;
 	bool signal_all;
 	bool fmr_and_reserved_lkey;
@@ -164,6 +168,7 @@ struct qed_rdma_qp {
 
 	void *shared_queue;
 	dma_addr_t shared_queue_phys_addr;
+	struct qed_iwarp_ep *ep;
 };
 
 #if IS_ENABLED(CONFIG_QED_RDMA)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c b/drivers/net/ethernet/qlogic/qed/qed_roce.c
index e53adc3d009b..fb7c2d1562ae 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_roce.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c
@@ -1149,3 +1149,23 @@ int qed_roce_setup(struct qed_hwfn *p_hwfn)
 					 qed_roce_async_event);
 }
 
+int qed_roce_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
+{
+	u32 ll2_ethertype_en;
+
+	qed_wr(p_hwfn, p_ptt, PRS_REG_ROCE_DEST_QP_MAX_PF, 0);
+
+	p_hwfn->rdma_prs_search_reg = PRS_REG_SEARCH_ROCE;
+
+	ll2_ethertype_en = qed_rd(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN);
+	qed_wr(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN,
+	       (ll2_ethertype_en | 0x01));
+
+	if (qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_ROCE) % 2) {
+		DP_NOTICE(p_hwfn, "The first RoCE's cid should be even\n");
+		return -EINVAL;
+	}
+
+	DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Initializing HW - Done\n");
+	return 0;
+}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp.h b/drivers/net/ethernet/qlogic/qed/qed_sp.h
index 56c95fb9a26d..ab4ad8a1e2a5 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h
@@ -104,12 +104,17 @@ union ramrod_data {
 	struct roce_query_qp_req_ramrod_data roce_query_qp_req;
 	struct roce_destroy_qp_resp_ramrod_data roce_destroy_qp_resp;
 	struct roce_destroy_qp_req_ramrod_data roce_destroy_qp_req;
+	struct roce_init_func_ramrod_data roce_init_func;
 	struct rdma_create_cq_ramrod_data rdma_create_cq;
 	struct rdma_destroy_cq_ramrod_data rdma_destroy_cq;
 	struct rdma_srq_create_ramrod_data rdma_create_srq;
 	struct rdma_srq_destroy_ramrod_data rdma_destroy_srq;
 	struct rdma_srq_modify_ramrod_data rdma_modify_srq;
-	struct roce_init_func_ramrod_data roce_init_func;
+	struct iwarp_create_qp_ramrod_data iwarp_create_qp;
+	struct iwarp_tcp_offload_ramrod_data iwarp_tcp_offload;
+	struct iwarp_mpa_offload_ramrod_data iwarp_mpa_offload;
+	struct iwarp_modify_qp_ramrod_data iwarp_modify_qp;
+	struct iwarp_init_func_ramrod_data iwarp_init_func;
 	struct fcoe_init_ramrod_params fcoe_init;
 	struct fcoe_conn_offload_ramrod_params fcoe_conn_ofld;
 	struct fcoe_conn_terminate_ramrod_params fcoe_conn_terminate;
diff --git a/include/linux/qed/common_hsi.h b/include/linux/qed/common_hsi.h
index a567cbf8c5b4..39e2a2ac2471 100644
--- a/include/linux/qed/common_hsi.h
+++ b/include/linux/qed/common_hsi.h
@@ -38,6 +38,8 @@
 #include <linux/slab.h>
 
 /* dma_addr_t manip */
+#define PTR_LO(x)               ((u32)(((uintptr_t)(x)) & 0xffffffff))
+#define PTR_HI(x)               ((u32)((((uintptr_t)(x)) >> 16) >> 16))
 #define DMA_LO_LE(x)		cpu_to_le32(lower_32_bits(x))
 #define DMA_HI_LE(x)		cpu_to_le32(upper_32_bits(x))
 #define DMA_REGPAIR_LE(x, val)	do { \
@@ -778,7 +780,7 @@ enum protocol_type {
 	PROTOCOLID_ROCE,
 	PROTOCOLID_CORE,
 	PROTOCOLID_ETH,
-	PROTOCOLID_RESERVED4,
+	PROTOCOLID_IWARP,
 	PROTOCOLID_RESERVED5,
 	PROTOCOLID_PREROCE,
 	PROTOCOLID_COMMON,
diff --git a/include/linux/qed/iwarp_common.h b/include/linux/qed/iwarp_common.h
new file mode 100644
index 000000000000..b8b3e1cfae90
--- /dev/null
+++ b/include/linux/qed/iwarp_common.h
@@ -0,0 +1,53 @@
+/* QLogic qed NIC Driver
+ * Copyright (c) 2015-2017  QLogic Corporation
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and /or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __IWARP_COMMON__
+#define __IWARP_COMMON__
+#include <linux/qed/rdma_common.h>
+/************************/
+/* IWARP FW CONSTANTS	*/
+/************************/
+
+#define IWARP_ACTIVE_MODE 0
+#define IWARP_PASSIVE_MODE 1
+
+#define IWARP_SHARED_QUEUE_PAGE_SIZE		(0x8000)
+#define IWARP_SHARED_QUEUE_PAGE_RQ_PBL_OFFSET   (0x4000)
+#define IWARP_SHARED_QUEUE_PAGE_RQ_PBL_MAX_SIZE (0x1000)
+#define IWARP_SHARED_QUEUE_PAGE_SQ_PBL_OFFSET   (0x5000)
+#define IWARP_SHARED_QUEUE_PAGE_SQ_PBL_MAX_SIZE (0x3000)
+
+#define IWARP_REQ_MAX_INLINE_DATA_SIZE          (128)
+#define IWARP_REQ_MAX_SINGLE_SQ_WQE_SIZE        (176)
+
+#define IWARP_MAX_QPS                           (64 * 1024)
+
+#endif /* __IWARP_COMMON__ */
diff --git a/include/linux/qed/qed_ll2_if.h b/include/linux/qed/qed_ll2_if.h
index 5958b45eb699..dd7a3b86bb9e 100644
--- a/include/linux/qed/qed_ll2_if.h
+++ b/include/linux/qed/qed_ll2_if.h
@@ -47,9 +47,10 @@ enum qed_ll2_conn_type {
 	QED_LL2_TYPE_FCOE,
 	QED_LL2_TYPE_ISCSI,
 	QED_LL2_TYPE_TEST,
-	QED_LL2_TYPE_ISCSI_OOO,
+	QED_LL2_TYPE_OOO,
 	QED_LL2_TYPE_RESERVED2,
 	QED_LL2_TYPE_ROCE,
+	QED_LL2_TYPE_IWARP,
 	QED_LL2_TYPE_RESERVED3,
 	MAX_QED_LL2_RX_CONN_TYPE
 };
diff --git a/include/linux/qed/qed_rdma_if.h b/include/linux/qed/qed_rdma_if.h
index ff9be01b5f53..4dd72ba210f5 100644
--- a/include/linux/qed/qed_rdma_if.h
+++ b/include/linux/qed/qed_rdma_if.h
@@ -470,6 +470,101 @@ struct qed_rdma_counters_out_params {
 #define QED_ROCE_TX_HEAD_FAILURE        (1)
 #define QED_ROCE_TX_FRAG_FAILURE        (2)
 
+enum qed_iwarp_event_type {
+	QED_IWARP_EVENT_MPA_REQUEST,	  /* Passive side request received */
+	QED_IWARP_EVENT_PASSIVE_COMPLETE, /* ack on mpa response */
+	QED_IWARP_EVENT_ACTIVE_COMPLETE,  /* Active side reply received */
+	QED_IWARP_EVENT_DISCONNECT,
+	QED_IWARP_EVENT_CLOSE,
+	QED_IWARP_EVENT_IRQ_FULL,
+	QED_IWARP_EVENT_RQ_EMPTY,
+	QED_IWARP_EVENT_LLP_TIMEOUT,
+	QED_IWARP_EVENT_REMOTE_PROTECTION_ERROR,
+	QED_IWARP_EVENT_CQ_OVERFLOW,
+	QED_IWARP_EVENT_QP_CATASTROPHIC,
+	QED_IWARP_EVENT_ACTIVE_MPA_REPLY,
+	QED_IWARP_EVENT_LOCAL_ACCESS_ERROR,
+	QED_IWARP_EVENT_REMOTE_OPERATION_ERROR,
+	QED_IWARP_EVENT_TERMINATE_RECEIVED
+};
+
+enum qed_tcp_ip_version {
+	QED_TCP_IPV4,
+	QED_TCP_IPV6,
+};
+
+struct qed_iwarp_cm_info {
+	enum qed_tcp_ip_version ip_version;
+	u32 remote_ip[4];
+	u32 local_ip[4];
+	u16 remote_port;
+	u16 local_port;
+	u16 vlan;
+	u8 ord;
+	u8 ird;
+	u16 private_data_len;
+	const void *private_data;
+};
+
+struct qed_iwarp_cm_event_params {
+	enum qed_iwarp_event_type event;
+	const struct qed_iwarp_cm_info *cm_info;
+	void *ep_context;	/* To be passed to accept call */
+	int status;
+};
+
+typedef int (*iwarp_event_handler) (void *context,
+				    struct qed_iwarp_cm_event_params *event);
+
+struct qed_iwarp_connect_in {
+	iwarp_event_handler event_cb;
+	void *cb_context;
+	struct qed_rdma_qp *qp;
+	struct qed_iwarp_cm_info cm_info;
+	u16 mss;
+	u8 remote_mac_addr[ETH_ALEN];
+	u8 local_mac_addr[ETH_ALEN];
+};
+
+struct qed_iwarp_connect_out {
+	void *ep_context;
+};
+
+struct qed_iwarp_listen_in {
+	iwarp_event_handler event_cb;
+	void *cb_context;	/* passed to event_cb */
+	u32 max_backlog;
+	enum qed_tcp_ip_version ip_version;
+	u32 ip_addr[4];
+	u16 port;
+	u16 vlan;
+};
+
+struct qed_iwarp_listen_out {
+	void *handle;
+};
+
+struct qed_iwarp_accept_in {
+	void *ep_context;
+	void *cb_context;
+	struct qed_rdma_qp *qp;
+	const void *private_data;
+	u16 private_data_len;
+	u8 ord;
+	u8 ird;
+};
+
+struct qed_iwarp_reject_in {
+	void *ep_context;
+	void *cb_context;
+	const void *private_data;
+	u16 private_data_len;
+};
+
+struct qed_iwarp_send_rtr_in {
+	void *ep_context;
+};
+
 struct qed_roce_ll2_header {
 	void *vaddr;
 	dma_addr_t baddr;
@@ -491,6 +586,7 @@ struct qed_roce_ll2_packet {
 
 enum qed_rdma_type {
 	QED_RDMA_TYPE_ROCE,
+	QED_RDMA_TYPE_IWARP
 };
 
 struct qed_dev_rdma_info {
@@ -575,6 +671,24 @@ struct qed_rdma_ops {
 	int (*ll2_set_mac_filter)(struct qed_dev *cdev,
 				  u8 *old_mac_address, u8 *new_mac_address);
 
+	int (*iwarp_connect)(void *rdma_cxt,
+			     struct qed_iwarp_connect_in *iparams,
+			     struct qed_iwarp_connect_out *oparams);
+
+	int (*iwarp_create_listen)(void *rdma_cxt,
+				   struct qed_iwarp_listen_in *iparams,
+				   struct qed_iwarp_listen_out *oparams);
+
+	int (*iwarp_accept)(void *rdma_cxt,
+			    struct qed_iwarp_accept_in *iparams);
+
+	int (*iwarp_reject)(void *rdma_cxt,
+			    struct qed_iwarp_reject_in *iparams);
+
+	int (*iwarp_destroy_listen)(void *rdma_cxt, void *handle);
+
+	int (*iwarp_send_rtr)(void *rdma_cxt,
+			      struct qed_iwarp_send_rtr_in *iparams);
 };
 
 const struct qed_rdma_ops *qed_get_rdma_ops(void);