RDMA/irdma: Add irdma Kconfig/Makefile and remove i40iw

Add Kconfig and Makefile to build irdma driver.

Remove i40iw driver and add an alias in irdma.

Remove legacy exported symbols i40e_register_client
and i40e_unregister_client from i40e as they are no
longer used.

irdma is the replacement driver that supports X722.

Link: https://lore.kernel.org/r/20210602205138.889-16-shiraz.saleem@intel.com
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

1 files changed, 0 insertions, 4419 deletions

diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c
deleted file mode 100644
index 2450b7dd51f6..000000000000
--- a/drivers/infiniband/hw/i40iw/i40iw_cm.c
+++ /dev/null
@@ -1,4419 +0,0 @@
-/*******************************************************************************
-*
-* Copyright (c) 2015-2016 Intel Corporation.  All rights reserved.
-*
-* 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
-* OpenFabrics.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/atomic.h>
-#include <linux/ip.h>
-#include <linux/tcp.h>
-#include <linux/init.h>
-#include <linux/if_arp.h>
-#include <linux/if_vlan.h>
-#include <linux/notifier.h>
-#include <linux/net.h>
-#include <linux/types.h>
-#include <linux/timer.h>
-#include <linux/time.h>
-#include <linux/delay.h>
-#include <linux/etherdevice.h>
-#include <linux/netdevice.h>
-#include <linux/random.h>
-#include <linux/list.h>
-#include <linux/threads.h>
-#include <linux/highmem.h>
-#include <net/arp.h>
-#include <net/ndisc.h>
-#include <net/neighbour.h>
-#include <net/route.h>
-#include <net/addrconf.h>
-#include <net/ip6_route.h>
-#include <net/ip_fib.h>
-#include <net/secure_seq.h>
-#include <net/tcp.h>
-#include <asm/checksum.h>
-
-#include "i40iw.h"
-
-static void i40iw_rem_ref_cm_node(struct i40iw_cm_node *);
-static void i40iw_cm_post_event(struct i40iw_cm_event *event);
-static void i40iw_disconnect_worker(struct work_struct *work);
-
-/**
- * i40iw_free_sqbuf - put back puda buffer if refcount = 0
- * @vsi: pointer to vsi structure
- * @bufp: puda buffer to free
- */
-void i40iw_free_sqbuf(struct i40iw_sc_vsi *vsi, void *bufp)
-{
-	struct i40iw_puda_buf *buf = (struct i40iw_puda_buf *)bufp;
-	struct i40iw_puda_rsrc *ilq = vsi->ilq;
-
-	if (!atomic_dec_return(&buf->refcount))
-		i40iw_puda_ret_bufpool(ilq, buf);
-}
-
-/**
- * i40iw_derive_hw_ird_setting - Calculate IRD
- *
- * @cm_ird: IRD of connection's node
- *
- * The ird from the connection is rounded to a supported HW
- * setting (2,8,32,64) and then encoded for ird_size field of
- * qp_ctx
- */
-static u8 i40iw_derive_hw_ird_setting(u16 cm_ird)
-{
-	u8 encoded_ird_size;
-
-	/* ird_size field is encoded in qp_ctx */
-	switch (cm_ird ? roundup_pow_of_two(cm_ird) : 0) {
-	case I40IW_HW_IRD_SETTING_64:
-		encoded_ird_size = 3;
-		break;
-	case I40IW_HW_IRD_SETTING_32:
-	case I40IW_HW_IRD_SETTING_16:
-		encoded_ird_size = 2;
-		break;
-	case I40IW_HW_IRD_SETTING_8:
-	case I40IW_HW_IRD_SETTING_4:
-		encoded_ird_size = 1;
-		break;
-	case I40IW_HW_IRD_SETTING_2:
-	default:
-		encoded_ird_size = 0;
-		break;
-	}
-	return encoded_ird_size;
-}
-
-/**
- * i40iw_record_ird_ord - Record IRD/ORD passed in
- * @cm_node: connection's node
- * @conn_ird: connection IRD
- * @conn_ord: connection ORD
- */
-static void i40iw_record_ird_ord(struct i40iw_cm_node *cm_node, u32 conn_ird,
-				 u32 conn_ord)
-{
-	if (conn_ird > I40IW_MAX_IRD_SIZE)
-		conn_ird = I40IW_MAX_IRD_SIZE;
-
-	if (conn_ord > I40IW_MAX_ORD_SIZE)
-		conn_ord = I40IW_MAX_ORD_SIZE;
-	else if (!conn_ord && cm_node->send_rdma0_op == SEND_RDMA_READ_ZERO)
-		conn_ord = 1;
-
-	cm_node->ird_size = conn_ird;
-	cm_node->ord_size = conn_ord;
-}
-
-/**
- * i40iw_copy_ip_ntohl - change network to host ip
- * @dst: host ip
- * @src: big endian
- */
-void i40iw_copy_ip_ntohl(u32 *dst, __be32 *src)
-{
-	*dst++ = ntohl(*src++);
-	*dst++ = ntohl(*src++);
-	*dst++ = ntohl(*src++);
-	*dst = ntohl(*src);
-}
-
-/**
- * i40iw_copy_ip_htonl - change host addr to network ip
- * @dst: host ip
- * @src: little endian
- */
-static inline void i40iw_copy_ip_htonl(__be32 *dst, u32 *src)
-{
-	*dst++ = htonl(*src++);
-	*dst++ = htonl(*src++);
-	*dst++ = htonl(*src++);
-	*dst = htonl(*src);
-}
-
-/**
- * i40iw_fill_sockaddr4 - get addr info for passive connection
- * @cm_node: connection's node
- * @event: upper layer's cm event
- */
-static inline void i40iw_fill_sockaddr4(struct i40iw_cm_node *cm_node,
-					struct iw_cm_event *event)
-{
-	struct sockaddr_in *laddr = (struct sockaddr_in *)&event->local_addr;
-	struct sockaddr_in *raddr = (struct sockaddr_in *)&event->remote_addr;
-
-	laddr->sin_family = AF_INET;
-	raddr->sin_family = AF_INET;
-
-	laddr->sin_port = htons(cm_node->loc_port);
-	raddr->sin_port = htons(cm_node->rem_port);
-
-	laddr->sin_addr.s_addr = htonl(cm_node->loc_addr[0]);
-	raddr->sin_addr.s_addr = htonl(cm_node->rem_addr[0]);
-}
-
-/**
- * i40iw_fill_sockaddr6 - get ipv6 addr info for passive side
- * @cm_node: connection's node
- * @event: upper layer's cm event
- */
-static inline void i40iw_fill_sockaddr6(struct i40iw_cm_node *cm_node,
-					struct iw_cm_event *event)
-{
-	struct sockaddr_in6 *laddr6 = (struct sockaddr_in6 *)&event->local_addr;
-	struct sockaddr_in6 *raddr6 = (struct sockaddr_in6 *)&event->remote_addr;
-
-	laddr6->sin6_family = AF_INET6;
-	raddr6->sin6_family = AF_INET6;
-
-	laddr6->sin6_port = htons(cm_node->loc_port);
-	raddr6->sin6_port = htons(cm_node->rem_port);
-
-	i40iw_copy_ip_htonl(laddr6->sin6_addr.in6_u.u6_addr32,
-			    cm_node->loc_addr);
-	i40iw_copy_ip_htonl(raddr6->sin6_addr.in6_u.u6_addr32,
-			    cm_node->rem_addr);
-}
-
-/**
- * i40iw_get_addr_info
- * @cm_node: contains ip/tcp info
- * @cm_info: to get a copy of the cm_node ip/tcp info
-*/
-static void i40iw_get_addr_info(struct i40iw_cm_node *cm_node,
-				struct i40iw_cm_info *cm_info)
-{
-	cm_info->ipv4 = cm_node->ipv4;
-	cm_info->vlan_id = cm_node->vlan_id;
-	memcpy(cm_info->loc_addr, cm_node->loc_addr, sizeof(cm_info->loc_addr));
-	memcpy(cm_info->rem_addr, cm_node->rem_addr, sizeof(cm_info->rem_addr));
-	cm_info->loc_port = cm_node->loc_port;
-	cm_info->rem_port = cm_node->rem_port;
-	cm_info->user_pri = cm_node->user_pri;
-}
-
-/**
- * i40iw_get_cmevent_info - for cm event upcall
- * @cm_node: connection's node
- * @cm_id: upper layers cm struct for the event
- * @event: upper layer's cm event
- */
-static inline void i40iw_get_cmevent_info(struct i40iw_cm_node *cm_node,
-					  struct iw_cm_id *cm_id,
-					  struct iw_cm_event *event)
-{
-	memcpy(&event->local_addr, &cm_id->m_local_addr,
-	       sizeof(event->local_addr));
-	memcpy(&event->remote_addr, &cm_id->m_remote_addr,
-	       sizeof(event->remote_addr));
-	if (cm_node) {
-		event->private_data = (void *)cm_node->pdata_buf;
-		event->private_data_len = (u8)cm_node->pdata.size;
-		event->ird = cm_node->ird_size;
-		event->ord = cm_node->ord_size;
-	}
-}
-
-/**
- * i40iw_send_cm_event - upcall cm's event handler
- * @cm_node: connection's node
- * @cm_id: upper layer's cm info struct
- * @type: Event type to indicate
- * @status: status for the event type
- */
-static int i40iw_send_cm_event(struct i40iw_cm_node *cm_node,
-			       struct iw_cm_id *cm_id,
-			       enum iw_cm_event_type type,
-			       int status)
-{
-	struct iw_cm_event event;
-
-	memset(&event, 0, sizeof(event));
-	event.event = type;
-	event.status = status;
-	switch (type) {
-	case IW_CM_EVENT_CONNECT_REQUEST:
-		if (cm_node->ipv4)
-			i40iw_fill_sockaddr4(cm_node, &event);
-		else
-			i40iw_fill_sockaddr6(cm_node, &event);
-		event.provider_data = (void *)cm_node;
-		event.private_data = (void *)cm_node->pdata_buf;
-		event.private_data_len = (u8)cm_node->pdata.size;
-		event.ird = cm_node->ird_size;
-		break;
-	case IW_CM_EVENT_CONNECT_REPLY:
-		i40iw_get_cmevent_info(cm_node, cm_id, &event);
-		break;
-	case IW_CM_EVENT_ESTABLISHED:
-		event.ird = cm_node->ird_size;
-		event.ord = cm_node->ord_size;
-		break;
-	case IW_CM_EVENT_DISCONNECT:
-		break;
-	case IW_CM_EVENT_CLOSE:
-		break;
-	default:
-		i40iw_pr_err("event type received type = %d\n", type);
-		return -1;
-	}
-	return cm_id->event_handler(cm_id, &event);
-}
-
-/**
- * i40iw_create_event - create cm event
- * @cm_node: connection's node
- * @type: Event type to generate
- */
-static struct i40iw_cm_event *i40iw_create_event(struct i40iw_cm_node *cm_node,
-						 enum i40iw_cm_event_type type)
-{
-	struct i40iw_cm_event *event;
-
-	if (!cm_node->cm_id)
-		return NULL;
-
-	event = kzalloc(sizeof(*event), GFP_ATOMIC);
-
-	if (!event)
-		return NULL;
-
-	event->type = type;
-	event->cm_node = cm_node;
-	memcpy(event->cm_info.rem_addr, cm_node->rem_addr, sizeof(event->cm_info.rem_addr));
-	memcpy(event->cm_info.loc_addr, cm_node->loc_addr, sizeof(event->cm_info.loc_addr));
-	event->cm_info.rem_port = cm_node->rem_port;
-	event->cm_info.loc_port = cm_node->loc_port;
-	event->cm_info.cm_id = cm_node->cm_id;
-
-	i40iw_debug(cm_node->dev,
-		    I40IW_DEBUG_CM,
-		    "node=%p event=%p type=%u dst=%pI4 src=%pI4\n",
-		    cm_node,
-		    event,
-		    type,
-		    event->cm_info.loc_addr,
-		    event->cm_info.rem_addr);
-
-	i40iw_cm_post_event(event);
-	return event;
-}
-
-/**
- * i40iw_free_retrans_entry - free send entry
- * @cm_node: connection's node
- */
-static void i40iw_free_retrans_entry(struct i40iw_cm_node *cm_node)
-{
-	struct i40iw_device *iwdev = cm_node->iwdev;
-	struct i40iw_timer_entry *send_entry;
-
-	send_entry = cm_node->send_entry;
-	if (send_entry) {
-		cm_node->send_entry = NULL;
-		i40iw_free_sqbuf(&iwdev->vsi, (void *)send_entry->sqbuf);
-		kfree(send_entry);
-		atomic_dec(&cm_node->ref_count);
-	}
-}
-
-/**
- * i40iw_cleanup_retrans_entry - free send entry with lock
- * @cm_node: connection's node
- */
-static void i40iw_cleanup_retrans_entry(struct i40iw_cm_node *cm_node)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&cm_node->retrans_list_lock, flags);
-	i40iw_free_retrans_entry(cm_node);
-	spin_unlock_irqrestore(&cm_node->retrans_list_lock, flags);
-}
-
-/**
- * i40iw_form_cm_frame - get a free packet and build frame
- * @cm_node: connection's node ionfo to use in frame
- * @options: pointer to options info
- * @hdr: pointer mpa header
- * @pdata: pointer to private data
- * @flags:  indicates FIN or ACK
- */
-static struct i40iw_puda_buf *i40iw_form_cm_frame(struct i40iw_cm_node *cm_node,
-						  struct i40iw_kmem_info *options,
-						  struct i40iw_kmem_info *hdr,
-						  struct i40iw_kmem_info *pdata,
-						  u8 flags)
-{
-	struct i40iw_puda_buf *sqbuf;
-	struct i40iw_sc_vsi *vsi = &cm_node->iwdev->vsi;
-	u8 *buf;
-
-	struct tcphdr *tcph;
-	struct iphdr *iph;
-	struct ipv6hdr *ip6h;
-	struct ethhdr *ethh;
-	u16 packetsize;
-	u16 eth_hlen = ETH_HLEN;
-	u32 opts_len = 0;
-	u32 pd_len = 0;
-	u32 hdr_len = 0;
-	u16 vtag;
-
-	sqbuf = i40iw_puda_get_bufpool(vsi->ilq);
-	if (!sqbuf)
-		return NULL;
-	buf = sqbuf->mem.va;
-
-	if (options)
-		opts_len = (u32)options->size;
-
-	if (hdr)
-		hdr_len = hdr->size;
-
-	if (pdata)
-		pd_len = pdata->size;
-
-	if (cm_node->vlan_id <= VLAN_VID_MASK)
-		eth_hlen += 4;
-
-	if (cm_node->ipv4)
-		packetsize = sizeof(*iph) + sizeof(*tcph);
-	else
-		packetsize = sizeof(*ip6h) + sizeof(*tcph);
-	packetsize += opts_len + hdr_len + pd_len;
-
-	memset(buf, 0x00, eth_hlen + packetsize);
-
-	sqbuf->totallen = packetsize + eth_hlen;
-	sqbuf->maclen = eth_hlen;
-	sqbuf->tcphlen = sizeof(*tcph) + opts_len;
-	sqbuf->scratch = (void *)cm_node;
-
-	ethh = (struct ethhdr *)buf;
-	buf += eth_hlen;
-
-	if (cm_node->ipv4) {
-		sqbuf->ipv4 = true;
-
-		iph = (struct iphdr *)buf;
-		buf += sizeof(*iph);
-		tcph = (struct tcphdr *)buf;
-		buf += sizeof(*tcph);
-
-		ether_addr_copy(ethh->h_dest, cm_node->rem_mac);
-		ether_addr_copy(ethh->h_source, cm_node->loc_mac);
-		if (cm_node->vlan_id <= VLAN_VID_MASK) {
-			((struct vlan_ethhdr *)ethh)->h_vlan_proto = htons(ETH_P_8021Q);
-			vtag = (cm_node->user_pri << VLAN_PRIO_SHIFT) | cm_node->vlan_id;
-			((struct vlan_ethhdr *)ethh)->h_vlan_TCI = htons(vtag);
-
-			((struct vlan_ethhdr *)ethh)->h_vlan_encapsulated_proto = htons(ETH_P_IP);
-		} else {
-			ethh->h_proto = htons(ETH_P_IP);
-		}
-
-		iph->version = IPVERSION;
-		iph->ihl = 5;	/* 5 * 4Byte words, IP headr len */
-		iph->tos = cm_node->tos;
-		iph->tot_len = htons(packetsize);
-		iph->id = htons(++cm_node->tcp_cntxt.loc_id);
-
-		iph->frag_off = htons(0x4000);
-		iph->ttl = 0x40;
-		iph->protocol = IPPROTO_TCP;
-		iph->saddr = htonl(cm_node->loc_addr[0]);
-		iph->daddr = htonl(cm_node->rem_addr[0]);
-	} else {
-		sqbuf->ipv4 = false;
-		ip6h = (struct ipv6hdr *)buf;
-		buf += sizeof(*ip6h);
-		tcph = (struct tcphdr *)buf;
-		buf += sizeof(*tcph);
-
-		ether_addr_copy(ethh->h_dest, cm_node->rem_mac);
-		ether_addr_copy(ethh->h_source, cm_node->loc_mac);
-		if (cm_node->vlan_id <= VLAN_VID_MASK) {
-			((struct vlan_ethhdr *)ethh)->h_vlan_proto = htons(ETH_P_8021Q);
-			vtag = (cm_node->user_pri << VLAN_PRIO_SHIFT) | cm_node->vlan_id;
-			((struct vlan_ethhdr *)ethh)->h_vlan_TCI = htons(vtag);
-			((struct vlan_ethhdr *)ethh)->h_vlan_encapsulated_proto = htons(ETH_P_IPV6);
-		} else {
-			ethh->h_proto = htons(ETH_P_IPV6);
-		}
-		ip6h->version = 6;
-		ip6h->priority = cm_node->tos >> 4;
-		ip6h->flow_lbl[0] = cm_node->tos << 4;
-		ip6h->flow_lbl[1] = 0;
-		ip6h->flow_lbl[2] = 0;
-		ip6h->payload_len = htons(packetsize - sizeof(*ip6h));
-		ip6h->nexthdr = 6;
-		ip6h->hop_limit = 128;
-		i40iw_copy_ip_htonl(ip6h->saddr.in6_u.u6_addr32,
-				    cm_node->loc_addr);
-		i40iw_copy_ip_htonl(ip6h->daddr.in6_u.u6_addr32,
-				    cm_node->rem_addr);
-	}
-
-	tcph->source = htons(cm_node->loc_port);
-	tcph->dest = htons(cm_node->rem_port);
-
-	tcph->seq = htonl(cm_node->tcp_cntxt.loc_seq_num);
-
-	if (flags & SET_ACK) {
-		cm_node->tcp_cntxt.loc_ack_num = cm_node->tcp_cntxt.rcv_nxt;
-		tcph->ack_seq = htonl(cm_node->tcp_cntxt.loc_ack_num);
-		tcph->ack = 1;
-	} else {
-		tcph->ack_seq = 0;
-	}
-
-	if (flags & SET_SYN) {
-		cm_node->tcp_cntxt.loc_seq_num++;
-		tcph->syn = 1;
-	} else {
-		cm_node->tcp_cntxt.loc_seq_num += hdr_len + pd_len;
-	}
-
-	if (flags & SET_FIN) {
-		cm_node->tcp_cntxt.loc_seq_num++;
-		tcph->fin = 1;
-	}
-
-	if (flags & SET_RST)
-		tcph->rst = 1;
-
-	tcph->doff = (u16)((sizeof(*tcph) + opts_len + 3) >> 2);
-	sqbuf->tcphlen = tcph->doff << 2;
-	tcph->window = htons(cm_node->tcp_cntxt.rcv_wnd);
-	tcph->urg_ptr = 0;
-
-	if (opts_len) {
-		memcpy(buf, options->addr, opts_len);
-		buf += opts_len;
-	}
-
-	if (hdr_len) {
-		memcpy(buf, hdr->addr, hdr_len);
-		buf += hdr_len;
-	}
-
-	if (pdata && pdata->addr)
-		memcpy(buf, pdata->addr, pdata->size);
-
-	atomic_set(&sqbuf->refcount, 1);
-
-	return sqbuf;
-}
-
-/**
- * i40iw_send_reset - Send RST packet
- * @cm_node: connection's node
- */
-int i40iw_send_reset(struct i40iw_cm_node *cm_node)
-{
-	struct i40iw_puda_buf *sqbuf;
-	int flags = SET_RST | SET_ACK;
-
-	sqbuf = i40iw_form_cm_frame(cm_node, NULL, NULL, NULL, flags);
-	if (!sqbuf) {
-		i40iw_pr_err("no sqbuf\n");
-		return -1;
-	}
-
-	return i40iw_schedule_cm_timer(cm_node, sqbuf, I40IW_TIMER_TYPE_SEND, 0, 1);
-}
-
-/**
- * i40iw_active_open_err - send event for active side cm error
- * @cm_node: connection's node
- * @reset: Flag to send reset or not
- */
-static void i40iw_active_open_err(struct i40iw_cm_node *cm_node, bool reset)
-{
-	i40iw_cleanup_retrans_entry(cm_node);
-	cm_node->cm_core->stats_connect_errs++;
-	if (reset) {
-		i40iw_debug(cm_node->dev,
-			    I40IW_DEBUG_CM,
-			    "%s cm_node=%p state=%d\n",
-			    __func__,
-			    cm_node,
-			    cm_node->state);
-		atomic_inc(&cm_node->ref_count);
-		i40iw_send_reset(cm_node);
-	}
-
-	cm_node->state = I40IW_CM_STATE_CLOSED;
-	i40iw_create_event(cm_node, I40IW_CM_EVENT_ABORTED);
-}
-
-/**
- * i40iw_passive_open_err - handle passive side cm error
- * @cm_node: connection's node
- * @reset: send reset or just free cm_node
- */
-static void i40iw_passive_open_err(struct i40iw_cm_node *cm_node, bool reset)
-{
-	i40iw_cleanup_retrans_entry(cm_node);
-	cm_node->cm_core->stats_passive_errs++;
-	cm_node->state = I40IW_CM_STATE_CLOSED;
-	i40iw_debug(cm_node->dev,
-		    I40IW_DEBUG_CM,
-		    "%s cm_node=%p state =%d\n",
-		    __func__,
-		    cm_node,
-		    cm_node->state);
-	if (reset)
-		i40iw_send_reset(cm_node);
-	else
-		i40iw_rem_ref_cm_node(cm_node);
-}
-
-/**
- * i40iw_event_connect_error - to create connect error event
- * @event: cm information for connect event
- */
-static void i40iw_event_connect_error(struct i40iw_cm_event *event)
-{
-	struct i40iw_qp *iwqp;
-	struct iw_cm_id *cm_id;
-
-	cm_id = event->cm_node->cm_id;
-	if (!cm_id)
-		return;
-
-	iwqp = cm_id->provider_data;
-
-	if (!iwqp || !iwqp->iwdev)
-		return;
-
-	iwqp->cm_id = NULL;
-	cm_id->provider_data = NULL;
-	i40iw_send_cm_event(event->cm_node, cm_id,
-			    IW_CM_EVENT_CONNECT_REPLY,
-			    -ECONNRESET);
-	cm_id->rem_ref(cm_id);
-	i40iw_rem_ref_cm_node(event->cm_node);
-}
-
-/**
- * i40iw_process_options
- * @cm_node: connection's node
- * @optionsloc: point to start of options
- * @optionsize: size of all options
- * @syn_packet: flag if syn packet
- */
-static int i40iw_process_options(struct i40iw_cm_node *cm_node,
-				 u8 *optionsloc,
-				 u32 optionsize,
-				 u32 syn_packet)
-{
-	u32 tmp;
-	u32 offset = 0;
-	union all_known_options *all_options;
-	char got_mss_option = 0;
-
-	while (offset < optionsize) {
-		all_options = (union all_known_options *)(optionsloc + offset);
-		switch (all_options->as_base.optionnum) {
-		case OPTION_NUMBER_END:
-			offset = optionsize;
-			break;
-		case OPTION_NUMBER_NONE:
-			offset += 1;
-			continue;
-		case OPTION_NUMBER_MSS:
-			i40iw_debug(cm_node->dev,
-				    I40IW_DEBUG_CM,
-				    "%s: MSS Length: %d Offset: %d Size: %d\n",
-				    __func__,
-				    all_options->as_mss.length,
-				    offset,
-				    optionsize);
-			got_mss_option = 1;
-			if (all_options->as_mss.length != 4)
-				return -1;
-			tmp = ntohs(all_options->as_mss.mss);
-			if (tmp > 0 && tmp < cm_node->tcp_cntxt.mss)
-				cm_node->tcp_cntxt.mss = tmp;
-			break;
-		case OPTION_NUMBER_WINDOW_SCALE:
-			cm_node->tcp_cntxt.snd_wscale =
-			    all_options->as_windowscale.shiftcount;
-			break;
-		default:
-			i40iw_debug(cm_node->dev,
-				    I40IW_DEBUG_CM,
-				    "TCP Option not understood: %x\n",
-				    all_options->as_base.optionnum);
-			break;
-		}
-		offset += all_options->as_base.length;
-	}
-	if (!got_mss_option && syn_packet)
-		cm_node->tcp_cntxt.mss = I40IW_CM_DEFAULT_MSS;
-	return 0;
-}
-
-/**
- * i40iw_handle_tcp_options -
- * @cm_node: connection's node
- * @tcph: pointer tcp header
- * @optionsize: size of options rcvd
- * @passive: active or passive flag
- */
-static int i40iw_handle_tcp_options(struct i40iw_cm_node *cm_node,
-				    struct tcphdr *tcph,
-				    int optionsize,
-				    int passive)
-{
-	u8 *optionsloc = (u8 *)&tcph[1];
-
-	if (optionsize) {
-		if (i40iw_process_options(cm_node,
-					  optionsloc,
-					  optionsize,
-					  (u32)tcph->syn)) {
-			i40iw_debug(cm_node->dev,
-				    I40IW_DEBUG_CM,
-				    "%s: Node %p, Sending RESET\n",
-				    __func__,
-				    cm_node);
-			if (passive)
-				i40iw_passive_open_err(cm_node, true);
-			else
-				i40iw_active_open_err(cm_node, true);
-			return -1;
-		}
-	}
-
-	cm_node->tcp_cntxt.snd_wnd = ntohs(tcph->window) <<
-	    cm_node->tcp_cntxt.snd_wscale;
-
-	if (cm_node->tcp_cntxt.snd_wnd > cm_node->tcp_cntxt.max_snd_wnd)
-		cm_node->tcp_cntxt.max_snd_wnd = cm_node->tcp_cntxt.snd_wnd;
-	return 0;
-}
-
-/**
- * i40iw_build_mpa_v1 - build a MPA V1 frame
- * @cm_node: connection's node
- * @start_addr: MPA frame start address
- * @mpa_key: to do read0 or write0
- */
-static void i40iw_build_mpa_v1(struct i40iw_cm_node *cm_node,
-			       void *start_addr,
-			       u8 mpa_key)
-{
-	struct ietf_mpa_v1 *mpa_frame = (struct ietf_mpa_v1 *)start_addr;
-
-	switch (mpa_key) {
-	case MPA_KEY_REQUEST:
-		memcpy(mpa_frame->key, IEFT_MPA_KEY_REQ, IETF_MPA_KEY_SIZE);
-		break;
-	case MPA_KEY_REPLY:
-		memcpy(mpa_frame->key, IEFT_MPA_KEY_REP, IETF_MPA_KEY_SIZE);
-		break;
-	default:
-		break;
-	}
-	mpa_frame->flags = IETF_MPA_FLAGS_CRC;
-	mpa_frame->rev = cm_node->mpa_frame_rev;
-	mpa_frame->priv_data_len = htons(cm_node->pdata.size);
-}
-
-/**
- * i40iw_build_mpa_v2 - build a MPA V2 frame
- * @cm_node: connection's node
- * @start_addr: buffer start address
- * @mpa_key: to do read0 or write0
- */
-static void i40iw_build_mpa_v2(struct i40iw_cm_node *cm_node,
-			       void *start_addr,
-			       u8 mpa_key)
-{
-	struct ietf_mpa_v2 *mpa_frame = (struct ietf_mpa_v2 *)start_addr;
-	struct ietf_rtr_msg *rtr_msg = &mpa_frame->rtr_msg;
-	u16 ctrl_ird, ctrl_ord;
-
-	/* initialize the upper 5 bytes of the frame */
-	i40iw_build_mpa_v1(cm_node, start_addr, mpa_key);
-	mpa_frame->flags |= IETF_MPA_V2_FLAG;
-	mpa_frame->priv_data_len += htons(IETF_RTR_MSG_SIZE);
-
-	/* initialize RTR msg */
-	if (cm_node->mpav2_ird_ord == IETF_NO_IRD_ORD) {
-		ctrl_ird = IETF_NO_IRD_ORD;
-		ctrl_ord = IETF_NO_IRD_ORD;
-	} else {
-		ctrl_ird = (cm_node->ird_size > IETF_NO_IRD_ORD) ?
-			IETF_NO_IRD_ORD : cm_node->ird_size;
-		ctrl_ord = (cm_node->ord_size > IETF_NO_IRD_ORD) ?
-			IETF_NO_IRD_ORD : cm_node->ord_size;
-	}
-
-	ctrl_ird |= IETF_PEER_TO_PEER;
-
-	switch (mpa_key) {
-	case MPA_KEY_REQUEST:
-		ctrl_ord |= IETF_RDMA0_WRITE;
-		ctrl_ord |= IETF_RDMA0_READ;
-		break;
-	case MPA_KEY_REPLY:
-		switch (cm_node->send_rdma0_op) {
-		case SEND_RDMA_WRITE_ZERO:
-			ctrl_ord |= IETF_RDMA0_WRITE;
-			break;
-		case SEND_RDMA_READ_ZERO:
-			ctrl_ord |= IETF_RDMA0_READ;
-			break;
-		}
-		break;
-	default:
-		break;
-	}
-	rtr_msg->ctrl_ird = htons(ctrl_ird);
-	rtr_msg->ctrl_ord = htons(ctrl_ord);
-}
-
-/**
- * i40iw_cm_build_mpa_frame - build mpa frame for mpa version 1 or version 2
- * @cm_node: connection's node
- * @mpa: mpa: data buffer
- * @mpa_key: to do read0 or write0
- */
-static int i40iw_cm_build_mpa_frame(struct i40iw_cm_node *cm_node,
-				    struct i40iw_kmem_info *mpa,
-				    u8 mpa_key)
-{
-	int hdr_len = 0;
-
-	switch (cm_node->mpa_frame_rev) {
-	case IETF_MPA_V1:
-		hdr_len = sizeof(struct ietf_mpa_v1);
-		i40iw_build_mpa_v1(cm_node, mpa->addr, mpa_key);
-		break;
-	case IETF_MPA_V2:
-		hdr_len = sizeof(struct ietf_mpa_v2);
-		i40iw_build_mpa_v2(cm_node, mpa->addr, mpa_key);
-		break;
-	default:
-		break;
-	}
-
-	return hdr_len;
-}
-
-/**
- * i40iw_send_mpa_request - active node send mpa request to passive node
- * @cm_node: connection's node
- */
-static int i40iw_send_mpa_request(struct i40iw_cm_node *cm_node)
-{
-	struct i40iw_puda_buf *sqbuf;
-
-	if (!cm_node) {
-		i40iw_pr_err("cm_node == NULL\n");
-		return -1;
-	}
-
-	cm_node->mpa_hdr.addr = &cm_node->mpa_frame;
-	cm_node->mpa_hdr.size = i40iw_cm_build_mpa_frame(cm_node,
-							 &cm_node->mpa_hdr,
-							 MPA_KEY_REQUEST);
-	if (!cm_node->mpa_hdr.size) {
-		i40iw_pr_err("mpa size = %d\n", cm_node->mpa_hdr.size);
-		return -1;
-	}
-
-	sqbuf = i40iw_form_cm_frame(cm_node,
-				    NULL,
-				    &cm_node->mpa_hdr,
-				    &cm_node->pdata,
-				    SET_ACK);
-	if (!sqbuf) {
-		i40iw_pr_err("sq_buf == NULL\n");
-		return -1;
-	}
-	return i40iw_schedule_cm_timer(cm_node, sqbuf, I40IW_TIMER_TYPE_SEND, 1, 0);
-}
-
-/**
- * i40iw_send_mpa_reject -
- * @cm_node: connection's node
- * @pdata: reject data for connection
- * @plen: length of reject data
- */
-static int i40iw_send_mpa_reject(struct i40iw_cm_node *cm_node,
-				 const void *pdata,
-				 u8 plen)
-{
-	struct i40iw_puda_buf *sqbuf;
-	struct i40iw_kmem_info priv_info;
-
-	cm_node->mpa_hdr.addr = &cm_node->mpa_frame;
-	cm_node->mpa_hdr.size = i40iw_cm_build_mpa_frame(cm_node,
-							 &cm_node->mpa_hdr,
-							 MPA_KEY_REPLY);
-
-	cm_node->mpa_frame.flags |= IETF_MPA_FLAGS_REJECT;
-	priv_info.addr = (void *)pdata;
-	priv_info.size = plen;
-
-	sqbuf = i40iw_form_cm_frame(cm_node,
-				    NULL,
-				    &cm_node->mpa_hdr,
-				    &priv_info,
-				    SET_ACK | SET_FIN);
-	if (!sqbuf) {
-		i40iw_pr_err("no sqbuf\n");
-		return -ENOMEM;
-	}
-	cm_node->state = I40IW_CM_STATE_FIN_WAIT1;
-	return i40iw_schedule_cm_timer(cm_node, sqbuf, I40IW_TIMER_TYPE_SEND, 1, 0);
-}
-
-/**
- * i40iw_parse_mpa - process an IETF MPA frame
- * @cm_node: connection's node
- * @buffer: Data pointer
- * @type: to return accept or reject
- * @len: Len of mpa buffer
- */
-static int i40iw_parse_mpa(struct i40iw_cm_node *cm_node, u8 *buffer, u32 *type, u32 len)
-{
-	struct ietf_mpa_v1 *mpa_frame;
-	struct ietf_mpa_v2 *mpa_v2_frame;
-	struct ietf_rtr_msg *rtr_msg;
-	int mpa_hdr_len;
-	int priv_data_len;
-
-	*type = I40IW_MPA_REQUEST_ACCEPT;
-
-	if (len < sizeof(struct ietf_mpa_v1)) {
-		i40iw_pr_err("ietf buffer small (%x)\n", len);
-		return -1;
-	}
-
-	mpa_frame = (struct ietf_mpa_v1 *)buffer;
-	mpa_hdr_len = sizeof(struct ietf_mpa_v1);
-	priv_data_len = ntohs(mpa_frame->priv_data_len);
-
-	if (priv_data_len > IETF_MAX_PRIV_DATA_LEN) {
-		i40iw_pr_err("large pri_data %d\n", priv_data_len);
-		return -1;
-	}
-	if (mpa_frame->rev != IETF_MPA_V1 && mpa_frame->rev != IETF_MPA_V2) {
-		i40iw_pr_err("unsupported mpa rev = %d\n", mpa_frame->rev);
-		return -1;
-	}
-	if (mpa_frame->rev > cm_node->mpa_frame_rev) {
-		i40iw_pr_err("rev %d\n", mpa_frame->rev);
-		return -1;
-	}
-	cm_node->mpa_frame_rev = mpa_frame->rev;
-
-	if (cm_node->state != I40IW_CM_STATE_MPAREQ_SENT) {
-		if (memcmp(mpa_frame->key, IEFT_MPA_KEY_REQ, IETF_MPA_KEY_SIZE)) {
-			i40iw_pr_err("Unexpected MPA Key received\n");
-			return -1;
-		}
-	} else {
-		if (memcmp(mpa_frame->key, IEFT_MPA_KEY_REP, IETF_MPA_KEY_SIZE)) {
-			i40iw_pr_err("Unexpected MPA Key received\n");
-			return -1;
-		}
-	}
-
-	if (priv_data_len + mpa_hdr_len > len) {
-		i40iw_pr_err("ietf buffer len(%x + %x != %x)\n",
-			     priv_data_len, mpa_hdr_len, len);
-		return -1;
-	}
-	if (len > MAX_CM_BUFFER) {
-		i40iw_pr_err("ietf buffer large len = %d\n", len);
-		return -1;
-	}
-
-	switch (mpa_frame->rev) {
-	case IETF_MPA_V2:{
-			u16 ird_size;
-			u16 ord_size;
-			u16 ctrl_ord;
-			u16 ctrl_ird;
-
-			mpa_v2_frame = (struct ietf_mpa_v2 *)buffer;
-			mpa_hdr_len += IETF_RTR_MSG_SIZE;
-			rtr_msg = &mpa_v2_frame->rtr_msg;
-
-			/* parse rtr message */
-			ctrl_ord = ntohs(rtr_msg->ctrl_ord);
-			ctrl_ird = ntohs(rtr_msg->ctrl_ird);
-			ird_size = ctrl_ird & IETF_NO_IRD_ORD;
-			ord_size = ctrl_ord & IETF_NO_IRD_ORD;
-
-			if (!(ctrl_ird & IETF_PEER_TO_PEER))
-				return -1;
-
-			if (ird_size == IETF_NO_IRD_ORD || ord_size == IETF_NO_IRD_ORD) {
-				cm_node->mpav2_ird_ord = IETF_NO_IRD_ORD;
-				goto negotiate_done;
-			}
-
-			if (cm_node->state != I40IW_CM_STATE_MPAREQ_SENT) {
-				/* responder */
-				if (!ord_size && (ctrl_ord & IETF_RDMA0_READ))
-					cm_node->ird_size = 1;
-				if (cm_node->ord_size > ird_size)
-					cm_node->ord_size = ird_size;
-			} else {
-				/* initiator */
-				if (!ird_size && (ctrl_ord & IETF_RDMA0_READ))
-					return -1;
-				if (cm_node->ord_size > ird_size)
-					cm_node->ord_size = ird_size;
-
-				if (cm_node->ird_size < ord_size)
-					/* no resources available */
-					return -1;
-			}
-
-negotiate_done:
-			if (ctrl_ord & IETF_RDMA0_READ)
-				cm_node->send_rdma0_op = SEND_RDMA_READ_ZERO;
-			else if (ctrl_ord & IETF_RDMA0_WRITE)
-				cm_node->send_rdma0_op = SEND_RDMA_WRITE_ZERO;
-			else	/* Not supported RDMA0 operation */
-				return -1;
-			i40iw_debug(cm_node->dev, I40IW_DEBUG_CM,
-				    "MPAV2: Negotiated ORD: %d, IRD: %d\n",
-				    cm_node->ord_size, cm_node->ird_size);
-			break;
-		}
-		break;
-	case IETF_MPA_V1:
-	default:
-		break;
-	}
-
-	memcpy(cm_node->pdata_buf, buffer + mpa_hdr_len, priv_data_len);
-	cm_node->pdata.size = priv_data_len;
-
-	if (mpa_frame->flags & IETF_MPA_FLAGS_REJECT)
-		*type = I40IW_MPA_REQUEST_REJECT;
-
-	if (mpa_frame->flags & IETF_MPA_FLAGS_MARKERS)
-		cm_node->snd_mark_en = true;
-
-	return 0;
-}
-
-/**
- * i40iw_schedule_cm_timer
- * @cm_node: connection's node
- * @sqbuf: buffer to send
- * @type: if it is send or close
- * @send_retrans: if rexmits to be done
- * @close_when_complete: is cm_node to be removed
- *
- * note - cm_node needs to be protected before calling this. Encase in:
- *		i40iw_rem_ref_cm_node(cm_core, cm_node);
- *		i40iw_schedule_cm_timer(...)
- *		atomic_inc(&cm_node->ref_count);
- */
-int i40iw_schedule_cm_timer(struct i40iw_cm_node *cm_node,
-			    struct i40iw_puda_buf *sqbuf,
-			    enum i40iw_timer_type type,
-			    int send_retrans,
-			    int close_when_complete)
-{
-	struct i40iw_sc_vsi *vsi = &cm_node->iwdev->vsi;
-	struct i40iw_cm_core *cm_core = cm_node->cm_core;
-	struct i40iw_timer_entry *new_send;
-	int ret = 0;
-	u32 was_timer_set;
-	unsigned long flags;
-
-	new_send = kzalloc(sizeof(*new_send), GFP_ATOMIC);
-	if (!new_send) {
-		if (type != I40IW_TIMER_TYPE_CLOSE)
-			i40iw_free_sqbuf(vsi, (void *)sqbuf);
-		return -ENOMEM;
-	}
-	new_send->retrycount = I40IW_DEFAULT_RETRYS;
-	new_send->retranscount = I40IW_DEFAULT_RETRANS;
-	new_send->sqbuf = sqbuf;
-	new_send->timetosend = jiffies;
-	new_send->type = type;
-	new_send->send_retrans = send_retrans;
-	new_send->close_when_complete = close_when_complete;
-
-	if (type == I40IW_TIMER_TYPE_CLOSE) {
-		new_send->timetosend += (HZ / 10);
-		if (cm_node->close_entry) {
-			kfree(new_send);
-			i40iw_pr_err("already close entry\n");
-			return -EINVAL;
-		}
-		cm_node->close_entry = new_send;
-	}
-
-	if (type == I40IW_TIMER_TYPE_SEND) {
-		spin_lock_irqsave(&cm_node->retrans_list_lock, flags);
-		cm_node->send_entry = new_send;
-		atomic_inc(&cm_node->ref_count);
-		spin_unlock_irqrestore(&cm_node->retrans_list_lock, flags);
-		new_send->timetosend = jiffies + I40IW_RETRY_TIMEOUT;
-
-		atomic_inc(&sqbuf->refcount);
-		i40iw_puda_send_buf(vsi->ilq, sqbuf);
-		if (!send_retrans) {
-			i40iw_cleanup_retrans_entry(cm_node);
-			if (close_when_complete)
-				i40iw_rem_ref_cm_node(cm_node);
-			return ret;
-		}
-	}
-
-	spin_lock_irqsave(&cm_core->ht_lock, flags);
-	was_timer_set = timer_pending(&cm_core->tcp_timer);
-
-	if (!was_timer_set) {
-		cm_core->tcp_timer.expires = new_send->timetosend;
-		add_timer(&cm_core->tcp_timer);
-	}
-	spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-
-	return ret;
-}
-
-/**
- * i40iw_retrans_expired - Could not rexmit the packet
- * @cm_node: connection's node
- */
-static void i40iw_retrans_expired(struct i40iw_cm_node *cm_node)
-{
-	struct iw_cm_id *cm_id = cm_node->cm_id;
-	enum i40iw_cm_node_state state = cm_node->state;
-
-	cm_node->state = I40IW_CM_STATE_CLOSED;
-	switch (state) {
-	case I40IW_CM_STATE_SYN_RCVD:
-	case I40IW_CM_STATE_CLOSING:
-		i40iw_rem_ref_cm_node(cm_node);
-		break;
-	case I40IW_CM_STATE_FIN_WAIT1:
-	case I40IW_CM_STATE_LAST_ACK:
-		if (cm_node->cm_id)
-			cm_id->rem_ref(cm_id);
-		i40iw_send_reset(cm_node);
-		break;
-	default:
-		atomic_inc(&cm_node->ref_count);
-		i40iw_send_reset(cm_node);
-		i40iw_create_event(cm_node, I40IW_CM_EVENT_ABORTED);
-		break;
-	}
-}
-
-/**
- * i40iw_handle_close_entry - for handling retry/timeouts
- * @cm_node: connection's node
- * @rem_node: flag for remove cm_node
- */
-static void i40iw_handle_close_entry(struct i40iw_cm_node *cm_node, u32 rem_node)
-{
-	struct i40iw_timer_entry *close_entry = cm_node->close_entry;
-	struct iw_cm_id *cm_id = cm_node->cm_id;
-	struct i40iw_qp *iwqp;
-	unsigned long flags;
-
-	if (!close_entry)
-		return;
-	iwqp = (struct i40iw_qp *)close_entry->sqbuf;
-	if (iwqp) {
-		spin_lock_irqsave(&iwqp->lock, flags);
-		if (iwqp->cm_id) {
-			iwqp->hw_tcp_state = I40IW_TCP_STATE_CLOSED;
-			iwqp->hw_iwarp_state = I40IW_QP_STATE_ERROR;
-			iwqp->last_aeq = I40IW_AE_RESET_SENT;
-			iwqp->ibqp_state = IB_QPS_ERR;
-			spin_unlock_irqrestore(&iwqp->lock, flags);
-			i40iw_cm_disconn(iwqp);
-		} else {
-			spin_unlock_irqrestore(&iwqp->lock, flags);
-		}
-	} else if (rem_node) {
-		/* TIME_WAIT state */
-		i40iw_rem_ref_cm_node(cm_node);
-	}
-	if (cm_id)
-		cm_id->rem_ref(cm_id);
-	kfree(close_entry);
-	cm_node->close_entry = NULL;
-}
-
-/**
- * i40iw_build_timer_list - Add cm_nodes to timer list
- * @timer_list: ptr to timer list
- * @hte: ptr to accelerated or non-accelerated list
- */
-static void i40iw_build_timer_list(struct list_head *timer_list,
-				   struct list_head *hte)
-{
-	struct i40iw_cm_node *cm_node;
-	struct list_head *list_core_temp, *list_node;
-
-	list_for_each_safe(list_node, list_core_temp, hte) {
-		cm_node = container_of(list_node, struct i40iw_cm_node, list);
-		if (cm_node->close_entry || cm_node->send_entry) {
-			atomic_inc(&cm_node->ref_count);
-			list_add(&cm_node->timer_entry, timer_list);
-		}
-	}
-}
-
-/**
- * i40iw_cm_timer_tick - system's timer expired callback
- * @t: Timer instance to fetch the cm_core pointer from
- */
-static void i40iw_cm_timer_tick(struct timer_list *t)
-{
-	unsigned long nexttimeout = jiffies + I40IW_LONG_TIME;
-	struct i40iw_cm_node *cm_node;
-	struct i40iw_timer_entry *send_entry, *close_entry;
-	struct list_head *list_core_temp;
-	struct i40iw_sc_vsi *vsi;
-	struct list_head *list_node;
-	struct i40iw_cm_core *cm_core = from_timer(cm_core, t, tcp_timer);
-	u32 settimer = 0;
-	unsigned long timetosend;
-	unsigned long flags;
-
-	struct list_head timer_list;
-
-	INIT_LIST_HEAD(&timer_list);
-
-	spin_lock_irqsave(&cm_core->ht_lock, flags);
-	i40iw_build_timer_list(&timer_list, &cm_core->non_accelerated_list);
-	i40iw_build_timer_list(&timer_list, &cm_core->accelerated_list);
-	spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-
-	list_for_each_safe(list_node, list_core_temp, &timer_list) {
-		cm_node = container_of(list_node,
-				       struct i40iw_cm_node,
-				       timer_entry);
-		close_entry = cm_node->close_entry;
-
-		if (close_entry) {
-			if (time_after(close_entry->timetosend, jiffies)) {
-				if (nexttimeout > close_entry->timetosend ||
-				    !settimer) {
-					nexttimeout = close_entry->timetosend;
-					settimer = 1;
-				}
-			} else {
-				i40iw_handle_close_entry(cm_node, 1);
-			}
-		}
-
-		spin_lock_irqsave(&cm_node->retrans_list_lock, flags);
-
-		send_entry = cm_node->send_entry;
-		if (!send_entry)
-			goto done;
-		if (time_after(send_entry->timetosend, jiffies)) {
-			if (cm_node->state != I40IW_CM_STATE_OFFLOADED) {
-				if ((nexttimeout > send_entry->timetosend) ||
-				    !settimer) {
-					nexttimeout = send_entry->timetosend;
-					settimer = 1;
-				}
-			} else {
-				i40iw_free_retrans_entry(cm_node);
-			}
-			goto done;
-		}
-
-		if ((cm_node->state == I40IW_CM_STATE_OFFLOADED) ||
-		    (cm_node->state == I40IW_CM_STATE_CLOSED)) {
-			i40iw_free_retrans_entry(cm_node);
-			goto done;
-		}
-
-		if (!send_entry->retranscount || !send_entry->retrycount) {
-			i40iw_free_retrans_entry(cm_node);
-
-			spin_unlock_irqrestore(&cm_node->retrans_list_lock, flags);
-			i40iw_retrans_expired(cm_node);
-			cm_node->state = I40IW_CM_STATE_CLOSED;
-			spin_lock_irqsave(&cm_node->retrans_list_lock, flags);
-			goto done;
-		}
-		spin_unlock_irqrestore(&cm_node->retrans_list_lock, flags);
-
-		vsi = &cm_node->iwdev->vsi;
-
-		if (!cm_node->ack_rcvd) {
-			atomic_inc(&send_entry->sqbuf->refcount);
-			i40iw_puda_send_buf(vsi->ilq, send_entry->sqbuf);
-			cm_node->cm_core->stats_pkt_retrans++;
-		}
-		spin_lock_irqsave(&cm_node->retrans_list_lock, flags);
-		if (send_entry->send_retrans) {
-			send_entry->retranscount--;
-			timetosend = (I40IW_RETRY_TIMEOUT <<
-				      (I40IW_DEFAULT_RETRANS -
-				       send_entry->retranscount));
-
-			send_entry->timetosend = jiffies +
-			    min(timetosend, I40IW_MAX_TIMEOUT);
-			if (nexttimeout > send_entry->timetosend || !settimer) {
-				nexttimeout = send_entry->timetosend;
-				settimer = 1;
-			}
-		} else {
-			int close_when_complete;
-
-			close_when_complete = send_entry->close_when_complete;
-			i40iw_debug(cm_node->dev,
-				    I40IW_DEBUG_CM,
-				    "cm_node=%p state=%d\n",
-				    cm_node,
-				    cm_node->state);
-			i40iw_free_retrans_entry(cm_node);
-			if (close_when_complete)
-				i40iw_rem_ref_cm_node(cm_node);
-		}
-done:
-		spin_unlock_irqrestore(&cm_node->retrans_list_lock, flags);
-		i40iw_rem_ref_cm_node(cm_node);
-	}
-
-	if (settimer) {
-		spin_lock_irqsave(&cm_core->ht_lock, flags);
-		if (!timer_pending(&cm_core->tcp_timer)) {
-			cm_core->tcp_timer.expires = nexttimeout;
-			add_timer(&cm_core->tcp_timer);
-		}
-		spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-	}
-}
-
-/**
- * i40iw_send_syn - send SYN packet
- * @cm_node: connection's node
- * @sendack: flag to set ACK bit or not
- */
-int i40iw_send_syn(struct i40iw_cm_node *cm_node, u32 sendack)
-{
-	struct i40iw_puda_buf *sqbuf;
-	int flags = SET_SYN;
-	char optionsbuffer[sizeof(struct option_mss) +
-			   sizeof(struct option_windowscale) +
-			   sizeof(struct option_base) + TCP_OPTIONS_PADDING];
-	struct i40iw_kmem_info opts;
-
-	int optionssize = 0;
-	/* Sending MSS option */
-	union all_known_options *options;
-
-	opts.addr = optionsbuffer;
-	if (!cm_node) {
-		i40iw_pr_err("no cm_node\n");
-		return -EINVAL;
-	}
-
-	options = (union all_known_options *)&optionsbuffer[optionssize];
-	options->as_mss.optionnum = OPTION_NUMBER_MSS;
-	options->as_mss.length = sizeof(struct option_mss);
-	options->as_mss.mss = htons(cm_node->tcp_cntxt.mss);
-	optionssize += sizeof(struct option_mss);
-
-	options = (union all_known_options *)&optionsbuffer[optionssize];
-	options->as_windowscale.optionnum = OPTION_NUMBER_WINDOW_SCALE;
-	options->as_windowscale.length = sizeof(struct option_windowscale);
-	options->as_windowscale.shiftcount = cm_node->tcp_cntxt.rcv_wscale;
-	optionssize += sizeof(struct option_windowscale);
-	options = (union all_known_options *)&optionsbuffer[optionssize];
-	options->as_end = OPTION_NUMBER_END;
-	optionssize += 1;
-
-	if (sendack)
-		flags |= SET_ACK;
-
-	opts.size = optionssize;
-
-	sqbuf = i40iw_form_cm_frame(cm_node, &opts, NULL, NULL, flags);
-	if (!sqbuf) {
-		i40iw_pr_err("no sqbuf\n");
-		return -1;
-	}
-	return i40iw_schedule_cm_timer(cm_node, sqbuf, I40IW_TIMER_TYPE_SEND, 1, 0);
-}
-
-/**
- * i40iw_send_ack - Send ACK packet
- * @cm_node: connection's node
- */
-static void i40iw_send_ack(struct i40iw_cm_node *cm_node)
-{
-	struct i40iw_puda_buf *sqbuf;
-	struct i40iw_sc_vsi *vsi = &cm_node->iwdev->vsi;
-
-	sqbuf = i40iw_form_cm_frame(cm_node, NULL, NULL, NULL, SET_ACK);
-	if (sqbuf)
-		i40iw_puda_send_buf(vsi->ilq, sqbuf);
-	else
-		i40iw_pr_err("no sqbuf\n");
-}
-
-/**
- * i40iw_send_fin - Send FIN pkt
- * @cm_node: connection's node
- */
-static int i40iw_send_fin(struct i40iw_cm_node *cm_node)
-{
-	struct i40iw_puda_buf *sqbuf;
-
-	sqbuf = i40iw_form_cm_frame(cm_node, NULL, NULL, NULL, SET_ACK | SET_FIN);
-	if (!sqbuf) {
-		i40iw_pr_err("no sqbuf\n");
-		return -1;
-	}
-	return i40iw_schedule_cm_timer(cm_node, sqbuf, I40IW_TIMER_TYPE_SEND, 1, 0);
-}
-
-/**
- * i40iw_find_node - find a cm node that matches the reference cm node
- * @cm_core: cm's core
- * @rem_port: remote tcp port num
- * @rem_addr: remote ip addr
- * @loc_port: local tcp port num
- * @loc_addr: loc ip addr
- * @add_refcnt: flag to increment refcount of cm_node
- * @accelerated_list: flag for accelerated vs non-accelerated list to search
- */
-struct i40iw_cm_node *i40iw_find_node(struct i40iw_cm_core *cm_core,
-				      u16 rem_port,
-				      u32 *rem_addr,
-				      u16 loc_port,
-				      u32 *loc_addr,
-				      bool add_refcnt,
-				      bool accelerated_list)
-{
-	struct list_head *hte;
-	struct i40iw_cm_node *cm_node;
-	unsigned long flags;
-
-	hte = accelerated_list ?
-	      &cm_core->accelerated_list : &cm_core->non_accelerated_list;
-
-	/* walk list and find cm_node associated with this session ID */
-	spin_lock_irqsave(&cm_core->ht_lock, flags);
-	list_for_each_entry(cm_node, hte, list) {
-		if (!memcmp(cm_node->loc_addr, loc_addr, sizeof(cm_node->loc_addr)) &&
-		    (cm_node->loc_port == loc_port) &&
-		    !memcmp(cm_node->rem_addr, rem_addr, sizeof(cm_node->rem_addr)) &&
-		    (cm_node->rem_port == rem_port)) {
-			if (add_refcnt)
-				atomic_inc(&cm_node->ref_count);
-			spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-			return cm_node;
-		}
-	}
-	spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-
-	/* no owner node */
-	return NULL;
-}
-
-/**
- * i40iw_find_listener - find a cm node listening on this addr-port pair
- * @cm_core: cm's core
- * @dst_port: listener tcp port num
- * @dst_addr: listener ip addr
- * @vlan_id: vlan id for the given address
- * @listener_state: state to match with listen node's
- */
-static struct i40iw_cm_listener *i40iw_find_listener(
-						     struct i40iw_cm_core *cm_core,
-						     u32 *dst_addr,
-						     u16 dst_port,
-						     u16 vlan_id,
-						     enum i40iw_cm_listener_state
-						     listener_state)
-{
-	struct i40iw_cm_listener *listen_node;
-	static const u32 ip_zero[4] = { 0, 0, 0, 0 };
-	u32 listen_addr[4];
-	u16 listen_port;
-	unsigned long flags;
-
-	/* walk list and find cm_node associated with this session ID */
-	spin_lock_irqsave(&cm_core->listen_list_lock, flags);
-	list_for_each_entry(listen_node, &cm_core->listen_nodes, list) {
-		memcpy(listen_addr, listen_node->loc_addr, sizeof(listen_addr));
-		listen_port = listen_node->loc_port;
-		/* compare node pair, return node handle if a match */
-		if ((!memcmp(listen_addr, dst_addr, sizeof(listen_addr)) ||
-		     !memcmp(listen_addr, ip_zero, sizeof(listen_addr))) &&
-		     (listen_port == dst_port) &&
-		     (listener_state & listen_node->listener_state)) {
-			atomic_inc(&listen_node->ref_count);
-			spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
-			return listen_node;
-		}
-	}
-	spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
-	return NULL;
-}
-
-/**
- * i40iw_add_hte_node - add a cm node to the hash table
- * @cm_core: cm's core
- * @cm_node: connection's node
- */
-static void i40iw_add_hte_node(struct i40iw_cm_core *cm_core,
-			       struct i40iw_cm_node *cm_node)
-{
-	unsigned long flags;
-
-	if (!cm_node || !cm_core) {
-		i40iw_pr_err("cm_node or cm_core == NULL\n");
-		return;
-	}
-
-	spin_lock_irqsave(&cm_core->ht_lock, flags);
-	list_add_tail(&cm_node->list, &cm_core->non_accelerated_list);
-	spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-}
-
-/**
- * i40iw_find_port - find port that matches reference port
- * @hte: ptr to accelerated or non-accelerated list
- * @port: port number to locate
- */
-static bool i40iw_find_port(struct list_head *hte, u16 port)
-{
-	struct i40iw_cm_node *cm_node;
-
-	list_for_each_entry(cm_node, hte, list) {
-		if (cm_node->loc_port == port)
-			return true;
-	}
-	return false;
-}
-
-/**
- * i40iw_port_in_use - determine if port is in use
- * @cm_core: cm's core
- * @port: port number
- */
-bool i40iw_port_in_use(struct i40iw_cm_core *cm_core, u16 port)
-{
-	struct i40iw_cm_listener *listen_node;
-	unsigned long flags;
-
-	spin_lock_irqsave(&cm_core->ht_lock, flags);
-	if (i40iw_find_port(&cm_core->accelerated_list, port) ||
-	    i40iw_find_port(&cm_core->non_accelerated_list, port)) {
-		spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-		return true;
-	}
-	spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-
-	spin_lock_irqsave(&cm_core->listen_list_lock, flags);
-	list_for_each_entry(listen_node, &cm_core->listen_nodes, list) {
-		if (listen_node->loc_port == port) {
-			spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
-			return true;
-		}
-	}
-	spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
-
-	return false;
-}
-
-/**
- * i40iw_del_multiple_qhash - Remove qhash and child listens
- * @iwdev: iWarp device
- * @cm_info: CM info for parent listen node
- * @cm_parent_listen_node: The parent listen node
- */
-static enum i40iw_status_code i40iw_del_multiple_qhash(
-						       struct i40iw_device *iwdev,
-						       struct i40iw_cm_info *cm_info,
-						       struct i40iw_cm_listener *cm_parent_listen_node)
-{
-	struct i40iw_cm_listener *child_listen_node;
-	enum i40iw_status_code ret = I40IW_ERR_CONFIG;
-	struct list_head *pos, *tpos;
-	unsigned long flags;
-
-	spin_lock_irqsave(&iwdev->cm_core.listen_list_lock, flags);
-	list_for_each_safe(pos, tpos, &cm_parent_listen_node->child_listen_list) {
-		child_listen_node = list_entry(pos, struct i40iw_cm_listener, child_listen_list);
-		if (child_listen_node->ipv4)
-			i40iw_debug(&iwdev->sc_dev,
-				    I40IW_DEBUG_CM,
-				    "removing child listen for IP=%pI4, port=%d, vlan=%d\n",
-				    child_listen_node->loc_addr,
-				    child_listen_node->loc_port,
-				    child_listen_node->vlan_id);
-		else
-			i40iw_debug(&iwdev->sc_dev, I40IW_DEBUG_CM,
-				    "removing child listen for IP=%pI6, port=%d, vlan=%d\n",
-				    child_listen_node->loc_addr,
-				    child_listen_node->loc_port,
-				    child_listen_node->vlan_id);
-		list_del(pos);
-		memcpy(cm_info->loc_addr, child_listen_node->loc_addr,
-		       sizeof(cm_info->loc_addr));
-		cm_info->vlan_id = child_listen_node->vlan_id;
-		if (child_listen_node->qhash_set) {
-			ret = i40iw_manage_qhash(iwdev, cm_info,
-						 I40IW_QHASH_TYPE_TCP_SYN,
-						 I40IW_QHASH_MANAGE_TYPE_DELETE,
-						 NULL, false);
-			child_listen_node->qhash_set = false;
-		} else {
-			ret = I40IW_SUCCESS;
-		}
-		i40iw_debug(&iwdev->sc_dev,
-			    I40IW_DEBUG_CM,
-			    "freed pointer = %p\n",
-			    child_listen_node);
-		kfree(child_listen_node);
-		cm_parent_listen_node->cm_core->stats_listen_nodes_destroyed++;
-	}
-	spin_unlock_irqrestore(&iwdev->cm_core.listen_list_lock, flags);
-
-	return ret;
-}
-
-/**
- * i40iw_netdev_vlan_ipv6 - Gets the netdev and vlan
- * @addr: local IPv6 address
- * @vlan_id: vlan id for the given IPv6 address
- *
- * Returns the net_device of the IPv6 address and also sets the
- * vlan id for that address.
- */
-static struct net_device *i40iw_netdev_vlan_ipv6(u32 *addr, u16 *vlan_id)
-{
-	struct net_device *ip_dev = NULL;
-	struct in6_addr laddr6;
-
-	if (!IS_ENABLED(CONFIG_IPV6))
-		return NULL;
-	i40iw_copy_ip_htonl(laddr6.in6_u.u6_addr32, addr);
-	if (vlan_id)
-		*vlan_id = I40IW_NO_VLAN;
-	rcu_read_lock();
-	for_each_netdev_rcu(&init_net, ip_dev) {
-		if (ipv6_chk_addr(&init_net, &laddr6, ip_dev, 1)) {
-			if (vlan_id)
-				*vlan_id = rdma_vlan_dev_vlan_id(ip_dev);
-			break;
-		}
-	}
-	rcu_read_unlock();
-	return ip_dev;
-}
-
-/**
- * i40iw_get_vlan_ipv4 - Returns the vlan_id for IPv4 address
- * @addr: local IPv4 address
- */
-static u16 i40iw_get_vlan_ipv4(u32 *addr)
-{
-	struct net_device *netdev;
-	u16 vlan_id = I40IW_NO_VLAN;
-
-	netdev = ip_dev_find(&init_net, htonl(addr[0]));
-	if (netdev) {
-		vlan_id = rdma_vlan_dev_vlan_id(netdev);
-		dev_put(netdev);
-	}
-	return vlan_id;
-}
-
-/**
- * i40iw_add_mqh_6 - Adds multiple qhashes for IPv6
- * @iwdev: iWarp device
- * @cm_info: CM info for parent listen node
- * @cm_parent_listen_node: The parent listen node
- *
- * Adds a qhash and a child listen node for every IPv6 address
- * on the adapter and adds the associated qhash filter
- */
-static enum i40iw_status_code i40iw_add_mqh_6(struct i40iw_device *iwdev,
-					      struct i40iw_cm_info *cm_info,
-					      struct i40iw_cm_listener *cm_parent_listen_node)
-{
-	struct net_device *ip_dev;
-	struct inet6_dev *idev;
-	struct inet6_ifaddr *ifp, *tmp;
-	enum i40iw_status_code ret = 0;
-	struct i40iw_cm_listener *child_listen_node;
-	unsigned long flags;
-
-	rtnl_lock();
-	for_each_netdev(&init_net, ip_dev) {
-		if ((((rdma_vlan_dev_vlan_id(ip_dev) < I40IW_NO_VLAN) &&
-		      (rdma_vlan_dev_real_dev(ip_dev) == iwdev->netdev)) ||
-		     (ip_dev == iwdev->netdev)) && (ip_dev->flags & IFF_UP)) {
-			idev = __in6_dev_get(ip_dev);
-			if (!idev) {
-				i40iw_pr_err("idev == NULL\n");
-				break;
-			}
-			list_for_each_entry_safe(ifp, tmp, &idev->addr_list, if_list) {
-				i40iw_debug(&iwdev->sc_dev,
-					    I40IW_DEBUG_CM,
-					    "IP=%pI6, vlan_id=%d, MAC=%pM\n",
-					    &ifp->addr,
-					    rdma_vlan_dev_vlan_id(ip_dev),
-					    ip_dev->dev_addr);
-				child_listen_node =
-					kzalloc(sizeof(*child_listen_node), GFP_ATOMIC);
-				i40iw_debug(&iwdev->sc_dev,
-					    I40IW_DEBUG_CM,
-					    "Allocating child listener %p\n",
-					    child_listen_node);
-				if (!child_listen_node) {
-					ret = I40IW_ERR_NO_MEMORY;
-					goto exit;
-				}
-				cm_info->vlan_id = rdma_vlan_dev_vlan_id(ip_dev);
-				cm_parent_listen_node->vlan_id = cm_info->vlan_id;
-
-				memcpy(child_listen_node, cm_parent_listen_node,
-				       sizeof(*child_listen_node));
-
-				i40iw_copy_ip_ntohl(child_listen_node->loc_addr,
-						    ifp->addr.in6_u.u6_addr32);
-				memcpy(cm_info->loc_addr, child_listen_node->loc_addr,
-				       sizeof(cm_info->loc_addr));
-
-				ret = i40iw_manage_qhash(iwdev, cm_info,
-							 I40IW_QHASH_TYPE_TCP_SYN,
-							 I40IW_QHASH_MANAGE_TYPE_ADD,
-							 NULL, true);
-				if (!ret) {
-					child_listen_node->qhash_set = true;
-					spin_lock_irqsave(&iwdev->cm_core.listen_list_lock, flags);
-					list_add(&child_listen_node->child_listen_list,
-						 &cm_parent_listen_node->child_listen_list);
-					spin_unlock_irqrestore(&iwdev->cm_core.listen_list_lock, flags);
-					cm_parent_listen_node->cm_core->stats_listen_nodes_created++;
-				} else {
-					kfree(child_listen_node);
-				}
-			}
-		}
-	}
-exit:
-	rtnl_unlock();
-	return ret;
-}
-
-/**
- * i40iw_add_mqh_4 - Adds multiple qhashes for IPv4
- * @iwdev: iWarp device
- * @cm_info: CM info for parent listen node
- * @cm_parent_listen_node: The parent listen node
- *
- * Adds a qhash and a child listen node for every IPv4 address
- * on the adapter and adds the associated qhash filter
- */
-static enum i40iw_status_code i40iw_add_mqh_4(
-				struct i40iw_device *iwdev,
-				struct i40iw_cm_info *cm_info,
-				struct i40iw_cm_listener *cm_parent_listen_node)
-{
-	struct net_device *dev;
-	struct in_device *idev;
-	struct i40iw_cm_listener *child_listen_node;
-	enum i40iw_status_code ret = 0;
-	unsigned long flags;
-
-	rtnl_lock();
-	for_each_netdev(&init_net, dev) {
-		if ((((rdma_vlan_dev_vlan_id(dev) < I40IW_NO_VLAN) &&
-		      (rdma_vlan_dev_real_dev(dev) == iwdev->netdev)) ||
-		    (dev == iwdev->netdev)) && (dev->flags & IFF_UP)) {
-			const struct in_ifaddr *ifa;
-
-			idev = in_dev_get(dev);
-
-			in_dev_for_each_ifa_rtnl(ifa, idev) {
-				i40iw_debug(&iwdev->sc_dev,
-					    I40IW_DEBUG_CM,
-					    "Allocating child CM Listener forIP=%pI4, vlan_id=%d, MAC=%pM\n",
-					    &ifa->ifa_address,
-					    rdma_vlan_dev_vlan_id(dev),
-					    dev->dev_addr);
-				child_listen_node = kzalloc(sizeof(*child_listen_node), GFP_KERNEL);
-				cm_parent_listen_node->cm_core->stats_listen_nodes_created++;
-				i40iw_debug(&iwdev->sc_dev,
-					    I40IW_DEBUG_CM,
-					    "Allocating child listener %p\n",
-					    child_listen_node);
-				if (!child_listen_node) {
-					in_dev_put(idev);
-					ret = I40IW_ERR_NO_MEMORY;
-					goto exit;
-				}
-				cm_info->vlan_id = rdma_vlan_dev_vlan_id(dev);
-				cm_parent_listen_node->vlan_id = cm_info->vlan_id;
-				memcpy(child_listen_node,
-				       cm_parent_listen_node,
-				       sizeof(*child_listen_node));
-
-				child_listen_node->loc_addr[0] = ntohl(ifa->ifa_address);
-				memcpy(cm_info->loc_addr, child_listen_node->loc_addr,
-				       sizeof(cm_info->loc_addr));
-
-				ret = i40iw_manage_qhash(iwdev,
-							 cm_info,
-							 I40IW_QHASH_TYPE_TCP_SYN,
-							 I40IW_QHASH_MANAGE_TYPE_ADD,
-							 NULL,
-							 true);
-				if (!ret) {
-					child_listen_node->qhash_set = true;
-					spin_lock_irqsave(&iwdev->cm_core.listen_list_lock, flags);
-					list_add(&child_listen_node->child_listen_list,
-						 &cm_parent_listen_node->child_listen_list);
-					spin_unlock_irqrestore(&iwdev->cm_core.listen_list_lock, flags);
-				} else {
-					kfree(child_listen_node);
-					cm_parent_listen_node->cm_core->stats_listen_nodes_created--;
-				}
-			}
-
-			in_dev_put(idev);
-		}
-	}
-exit:
-	rtnl_unlock();
-	return ret;
-}
-
-/**
- * i40iw_dec_refcnt_listen - delete listener and associated cm nodes
- * @cm_core: cm's core
- * @listener: passive connection's listener
- * @free_hanging_nodes: to free associated cm_nodes
- * @apbvt_del: flag to delete the apbvt
- */
-static int i40iw_dec_refcnt_listen(struct i40iw_cm_core *cm_core,
-				   struct i40iw_cm_listener *listener,
-				   int free_hanging_nodes, bool apbvt_del)
-{
-	int ret = -EINVAL;
-	int err = 0;
-	struct list_head *list_pos;
-	struct list_head *list_temp;
-	struct i40iw_cm_node *cm_node;
-	struct list_head reset_list;
-	struct i40iw_cm_info nfo;
-	struct i40iw_cm_node *loopback;
-	enum i40iw_cm_node_state old_state;
-	unsigned long flags;
-
-	/* free non-accelerated child nodes for this listener */
-	INIT_LIST_HEAD(&reset_list);
-	if (free_hanging_nodes) {
-		spin_lock_irqsave(&cm_core->ht_lock, flags);
-		list_for_each_safe(list_pos,
-				   list_temp, &cm_core->non_accelerated_list) {
-			cm_node = container_of(list_pos, struct i40iw_cm_node, list);
-			if ((cm_node->listener == listener) &&
-			    !cm_node->accelerated) {
-				atomic_inc(&cm_node->ref_count);
-				list_add(&cm_node->reset_entry, &reset_list);
-			}
-		}
-		spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-	}
-
-	list_for_each_safe(list_pos, list_temp, &reset_list) {
-		cm_node = container_of(list_pos, struct i40iw_cm_node, reset_entry);
-		loopback = cm_node->loopbackpartner;
-		if (cm_node->state >= I40IW_CM_STATE_FIN_WAIT1) {
-			i40iw_rem_ref_cm_node(cm_node);
-		} else {
-			if (!loopback) {
-				i40iw_cleanup_retrans_entry(cm_node);
-				err = i40iw_send_reset(cm_node);
-				if (err) {
-					cm_node->state = I40IW_CM_STATE_CLOSED;
-					i40iw_pr_err("send reset\n");
-				} else {
-					old_state = cm_node->state;
-					cm_node->state = I40IW_CM_STATE_LISTENER_DESTROYED;
-					if (old_state != I40IW_CM_STATE_MPAREQ_RCVD)
-						i40iw_rem_ref_cm_node(cm_node);
-				}
-			} else {
-				struct i40iw_cm_event event;
-
-				event.cm_node = loopback;
-				memcpy(event.cm_info.rem_addr,
-				       loopback->rem_addr, sizeof(event.cm_info.rem_addr));
-				memcpy(event.cm_info.loc_addr,
-				       loopback->loc_addr, sizeof(event.cm_info.loc_addr));
-				event.cm_info.rem_port = loopback->rem_port;
-				event.cm_info.loc_port = loopback->loc_port;
-				event.cm_info.cm_id = loopback->cm_id;
-				event.cm_info.ipv4 = loopback->ipv4;
-				atomic_inc(&loopback->ref_count);
-				loopback->state = I40IW_CM_STATE_CLOSED;
-				i40iw_event_connect_error(&event);
-				cm_node->state = I40IW_CM_STATE_LISTENER_DESTROYED;
-				i40iw_rem_ref_cm_node(cm_node);
-			}
-		}
-	}
-
-	if (!atomic_dec_return(&listener->ref_count)) {
-		spin_lock_irqsave(&cm_core->listen_list_lock, flags);
-		list_del(&listener->list);
-		spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
-
-		if (listener->iwdev) {
-			if (apbvt_del)
-				i40iw_manage_apbvt(listener->iwdev,
-						   listener->loc_port,
-						   I40IW_MANAGE_APBVT_DEL);
-
-			memcpy(nfo.loc_addr, listener->loc_addr, sizeof(nfo.loc_addr));
-			nfo.loc_port = listener->loc_port;
-			nfo.ipv4 = listener->ipv4;
-			nfo.vlan_id = listener->vlan_id;
-			nfo.user_pri = listener->user_pri;
-
-			if (!list_empty(&listener->child_listen_list)) {
-				i40iw_del_multiple_qhash(listener->iwdev, &nfo, listener);
-			} else {
-				if (listener->qhash_set)
-					i40iw_manage_qhash(listener->iwdev,
-							   &nfo,
-							   I40IW_QHASH_TYPE_TCP_SYN,
-							   I40IW_QHASH_MANAGE_TYPE_DELETE,
-							   NULL,
-							   false);
-			}
-		}
-
-		cm_core->stats_listen_destroyed++;
-		kfree(listener);
-		cm_core->stats_listen_nodes_destroyed++;
-		listener = NULL;
-		ret = 0;
-	}
-
-	if (listener) {
-		if (atomic_read(&listener->pend_accepts_cnt) > 0)
-			i40iw_debug(cm_core->dev,
-				    I40IW_DEBUG_CM,
-				    "%s: listener (%p) pending accepts=%u\n",
-				    __func__,
-				    listener,
-				    atomic_read(&listener->pend_accepts_cnt));
-	}
-
-	return ret;
-}
-
-/**
- * i40iw_cm_del_listen - delete a linstener
- * @cm_core: cm's core
-  * @listener: passive connection's listener
- * @apbvt_del: flag to delete apbvt
- */
-static int i40iw_cm_del_listen(struct i40iw_cm_core *cm_core,
-			       struct i40iw_cm_listener *listener,
-			       bool apbvt_del)
-{
-	listener->listener_state = I40IW_CM_LISTENER_PASSIVE_STATE;
-	listener->cm_id = NULL;	/* going to be destroyed pretty soon */
-	return i40iw_dec_refcnt_listen(cm_core, listener, 1, apbvt_del);
-}
-
-/**
- * i40iw_addr_resolve_neigh - resolve neighbor address
- * @iwdev: iwarp device structure
- * @src_ip: local ip address
- * @dst_ip: remote ip address
- * @arpindex: if there is an arp entry
- */
-static int i40iw_addr_resolve_neigh(struct i40iw_device *iwdev,
-				    u32 src_ip,
-				    u32 dst_ip,
-				    int arpindex)
-{
-	struct rtable *rt;
-	struct neighbour *neigh;
-	int rc = arpindex;
-	__be32 dst_ipaddr = htonl(dst_ip);
-	__be32 src_ipaddr = htonl(src_ip);
-
-	rt = ip_route_output(&init_net, dst_ipaddr, src_ipaddr, 0, 0);
-	if (IS_ERR(rt)) {
-		i40iw_pr_err("ip_route_output\n");
-		return rc;
-	}
-
-	neigh = dst_neigh_lookup(&rt->dst, &dst_ipaddr);
-
-	rcu_read_lock();
-	if (neigh) {
-		if (neigh->nud_state & NUD_VALID) {
-			if (arpindex >= 0) {
-				if (ether_addr_equal(iwdev->arp_table[arpindex].mac_addr,
-						     neigh->ha))
-					/* Mac address same as arp table */
-					goto resolve_neigh_exit;
-				i40iw_manage_arp_cache(iwdev,
-						       iwdev->arp_table[arpindex].mac_addr,
-						       &dst_ip,
-						       true,
-						       I40IW_ARP_DELETE);
-			}
-
-			i40iw_manage_arp_cache(iwdev, neigh->ha, &dst_ip, true, I40IW_ARP_ADD);
-			rc = i40iw_arp_table(iwdev, &dst_ip, true, NULL, I40IW_ARP_RESOLVE);
-		} else {
-			neigh_event_send(neigh, NULL);
-		}
-	}
- resolve_neigh_exit:
-
-	rcu_read_unlock();
-	if (neigh)
-		neigh_release(neigh);
-
-	ip_rt_put(rt);
-	return rc;
-}
-
-/*
- * i40iw_get_dst_ipv6
- */
-static struct dst_entry *i40iw_get_dst_ipv6(struct sockaddr_in6 *src_addr,
-					    struct sockaddr_in6 *dst_addr)
-{
-	struct dst_entry *dst;
-	struct flowi6 fl6;
-
-	memset(&fl6, 0, sizeof(fl6));
-	fl6.daddr = dst_addr->sin6_addr;
-	fl6.saddr = src_addr->sin6_addr;
-	if (ipv6_addr_type(&fl6.daddr) & IPV6_ADDR_LINKLOCAL)
-		fl6.flowi6_oif = dst_addr->sin6_scope_id;
-
-	dst = ip6_route_output(&init_net, NULL, &fl6);
-	return dst;
-}
-
-/**
- * i40iw_addr_resolve_neigh_ipv6 - resolve neighbor ipv6 address
- * @iwdev: iwarp device structure
- * @src: source ip address
- * @dest: remote ip address
- * @arpindex: if there is an arp entry
- */
-static int i40iw_addr_resolve_neigh_ipv6(struct i40iw_device *iwdev,
-					 u32 *src,
-					 u32 *dest,
-					 int arpindex)
-{
-	struct neighbour *neigh;
-	int rc = arpindex;
-	struct dst_entry *dst;
-	struct sockaddr_in6 dst_addr;
-	struct sockaddr_in6 src_addr;
-
-	memset(&dst_addr, 0, sizeof(dst_addr));
-	dst_addr.sin6_family = AF_INET6;
-	i40iw_copy_ip_htonl(dst_addr.sin6_addr.in6_u.u6_addr32, dest);
-	memset(&src_addr, 0, sizeof(src_addr));
-	src_addr.sin6_family = AF_INET6;
-	i40iw_copy_ip_htonl(src_addr.sin6_addr.in6_u.u6_addr32, src);
-	dst = i40iw_get_dst_ipv6(&src_addr, &dst_addr);
-	if (!dst || dst->error) {
-		if (dst) {
-			i40iw_pr_err("ip6_route_output returned dst->error = %d\n",
-				     dst->error);
-			dst_release(dst);
-		}
-		return rc;
-	}
-
-	neigh = dst_neigh_lookup(dst, dst_addr.sin6_addr.in6_u.u6_addr32);
-
-	rcu_read_lock();
-	if (neigh) {
-		i40iw_debug(&iwdev->sc_dev, I40IW_DEBUG_CM, "dst_neigh_lookup MAC=%pM\n", neigh->ha);
-		if (neigh->nud_state & NUD_VALID) {
-			if (arpindex >= 0) {
-				if (ether_addr_equal
-				    (iwdev->arp_table[arpindex].mac_addr,
-				     neigh->ha)) {
-					/* Mac address same as in arp table */
-					goto resolve_neigh_exit6;
-				}
-				i40iw_manage_arp_cache(iwdev,
-						       iwdev->arp_table[arpindex].mac_addr,
-						       dest,
-						       false,
-						       I40IW_ARP_DELETE);
-			}
-			i40iw_manage_arp_cache(iwdev,
-					       neigh->ha,
-					       dest,
-					       false,
-					       I40IW_ARP_ADD);
-			rc = i40iw_arp_table(iwdev,
-					     dest,
-					     false,
-					     NULL,
-					     I40IW_ARP_RESOLVE);
-		} else {
-			neigh_event_send(neigh, NULL);
-		}
-	}
-
- resolve_neigh_exit6:
-	rcu_read_unlock();
-	if (neigh)
-		neigh_release(neigh);
-	dst_release(dst);
-	return rc;
-}
-
-/**
- * i40iw_ipv4_is_loopback - check if loopback
- * @loc_addr: local addr to compare
- * @rem_addr: remote address
- */
-static bool i40iw_ipv4_is_loopback(u32 loc_addr, u32 rem_addr)
-{
-	return ipv4_is_loopback(htonl(rem_addr)) || (loc_addr == rem_addr);
-}
-
-/**
- * i40iw_ipv6_is_loopback - check if loopback
- * @loc_addr: local addr to compare
- * @rem_addr: remote address
- */
-static bool i40iw_ipv6_is_loopback(u32 *loc_addr, u32 *rem_addr)
-{
-	struct in6_addr raddr6;
-
-	i40iw_copy_ip_htonl(raddr6.in6_u.u6_addr32, rem_addr);
-	return !memcmp(loc_addr, rem_addr, 16) || ipv6_addr_loopback(&raddr6);
-}
-
-/**
- * i40iw_make_cm_node - create a new instance of a cm node
- * @cm_core: cm's core
- * @iwdev: iwarp device structure
- * @cm_info: quad info for connection
- * @listener: passive connection's listener
- */
-static struct i40iw_cm_node *i40iw_make_cm_node(
-				   struct i40iw_cm_core *cm_core,
-				   struct i40iw_device *iwdev,
-				   struct i40iw_cm_info *cm_info,
-				   struct i40iw_cm_listener *listener)
-{
-	struct i40iw_cm_node *cm_node;
-	int oldarpindex;
-	int arpindex;
-	struct net_device *netdev = iwdev->netdev;
-
-	/* create an hte and cm_node for this instance */
-	cm_node = kzalloc(sizeof(*cm_node), GFP_ATOMIC);
-	if (!cm_node)
-		return NULL;
-
-	/* set our node specific transport info */
-	cm_node->ipv4 = cm_info->ipv4;
-	cm_node->vlan_id = cm_info->vlan_id;
-	if ((cm_node->vlan_id == I40IW_NO_VLAN) && iwdev->dcb)
-		cm_node->vlan_id = 0;
-	cm_node->tos = cm_info->tos;
-	cm_node->user_pri = cm_info->user_pri;
-	if (listener) {
-		if (listener->tos != cm_info->tos)
-			i40iw_debug(&iwdev->sc_dev, I40IW_DEBUG_DCB,
-				    "application TOS[%d] and remote client TOS[%d] mismatch\n",
-				     listener->tos, cm_info->tos);
-		cm_node->tos = max(listener->tos, cm_info->tos);
-		cm_node->user_pri = rt_tos2priority(cm_node->tos);
-		i40iw_debug(&iwdev->sc_dev, I40IW_DEBUG_DCB, "listener: TOS:[%d] UP:[%d]\n",
-			    cm_node->tos, cm_node->user_pri);
-	}
-	memcpy(cm_node->loc_addr, cm_info->loc_addr, sizeof(cm_node->loc_addr));
-	memcpy(cm_node->rem_addr, cm_info->rem_addr, sizeof(cm_node->rem_addr));
-	cm_node->loc_port = cm_info->loc_port;
-	cm_node->rem_port = cm_info->rem_port;
-
-	cm_node->mpa_frame_rev = iwdev->mpa_version;
-	cm_node->send_rdma0_op = SEND_RDMA_READ_ZERO;
-	cm_node->ird_size = I40IW_MAX_IRD_SIZE;
-	cm_node->ord_size = I40IW_MAX_ORD_SIZE;
-
-	cm_node->listener = listener;
-	cm_node->cm_id = cm_info->cm_id;
-	ether_addr_copy(cm_node->loc_mac, netdev->dev_addr);
-	spin_lock_init(&cm_node->retrans_list_lock);
-	cm_node->ack_rcvd = false;
-
-	atomic_set(&cm_node->ref_count, 1);
-	/* associate our parent CM core */
-	cm_node->cm_core = cm_core;
-	cm_node->tcp_cntxt.loc_id = I40IW_CM_DEF_LOCAL_ID;
-	cm_node->tcp_cntxt.rcv_wscale = I40IW_CM_DEFAULT_RCV_WND_SCALE;
-	cm_node->tcp_cntxt.rcv_wnd =
-			I40IW_CM_DEFAULT_RCV_WND_SCALED >> I40IW_CM_DEFAULT_RCV_WND_SCALE;
-	if (cm_node->ipv4) {
-		cm_node->tcp_cntxt.loc_seq_num = secure_tcp_seq(htonl(cm_node->loc_addr[0]),
-							htonl(cm_node->rem_addr[0]),
-							htons(cm_node->loc_port),
-							htons(cm_node->rem_port));
-		cm_node->tcp_cntxt.mss = iwdev->vsi.mtu - I40IW_MTU_TO_MSS_IPV4;
-	} else if (IS_ENABLED(CONFIG_IPV6)) {
-		__be32 loc[4] = {
-			htonl(cm_node->loc_addr[0]), htonl(cm_node->loc_addr[1]),
-			htonl(cm_node->loc_addr[2]), htonl(cm_node->loc_addr[3])
-		};
-		__be32 rem[4] = {
-			htonl(cm_node->rem_addr[0]), htonl(cm_node->rem_addr[1]),
-			htonl(cm_node->rem_addr[2]), htonl(cm_node->rem_addr[3])
-		};
-		cm_node->tcp_cntxt.loc_seq_num = secure_tcpv6_seq(loc, rem,
-							htons(cm_node->loc_port),
-							htons(cm_node->rem_port));
-		cm_node->tcp_cntxt.mss = iwdev->vsi.mtu - I40IW_MTU_TO_MSS_IPV6;
-	}
-
-	cm_node->iwdev = iwdev;
-	cm_node->dev = &iwdev->sc_dev;
-
-	if ((cm_node->ipv4 &&
-	     i40iw_ipv4_is_loopback(cm_node->loc_addr[0], cm_node->rem_addr[0])) ||
-	     (!cm_node->ipv4 && i40iw_ipv6_is_loopback(cm_node->loc_addr,
-						       cm_node->rem_addr))) {
-		arpindex = i40iw_arp_table(iwdev,
-					   cm_node->rem_addr,
-					   false,
-					   NULL,
-					   I40IW_ARP_RESOLVE);
-	} else {
-		oldarpindex = i40iw_arp_table(iwdev,
-					      cm_node->rem_addr,
-					      false,
-					      NULL,
-					      I40IW_ARP_RESOLVE);
-		if (cm_node->ipv4)
-			arpindex = i40iw_addr_resolve_neigh(iwdev,
-							    cm_info->loc_addr[0],
-							    cm_info->rem_addr[0],
-							    oldarpindex);
-		else if (IS_ENABLED(CONFIG_IPV6))
-			arpindex = i40iw_addr_resolve_neigh_ipv6(iwdev,
-								 cm_info->loc_addr,
-								 cm_info->rem_addr,
-								 oldarpindex);
-		else
-			arpindex = -EINVAL;
-	}
-	if (arpindex < 0) {
-		i40iw_pr_err("cm_node arpindex\n");
-		kfree(cm_node);
-		return NULL;
-	}
-	ether_addr_copy(cm_node->rem_mac, iwdev->arp_table[arpindex].mac_addr);
-	i40iw_add_hte_node(cm_core, cm_node);
-	cm_core->stats_nodes_created++;
-	return cm_node;
-}
-
-/**
- * i40iw_rem_ref_cm_node - destroy an instance of a cm node
- * @cm_node: connection's node
- */
-static void i40iw_rem_ref_cm_node(struct i40iw_cm_node *cm_node)
-{
-	struct i40iw_cm_core *cm_core = cm_node->cm_core;
-	struct i40iw_qp *iwqp;
-	struct i40iw_cm_info nfo;
-	unsigned long flags;
-
-	spin_lock_irqsave(&cm_node->cm_core->ht_lock, flags);
-	if (atomic_dec_return(&cm_node->ref_count)) {
-		spin_unlock_irqrestore(&cm_node->cm_core->ht_lock, flags);
-		return;
-	}
-	list_del(&cm_node->list);
-	spin_unlock_irqrestore(&cm_node->cm_core->ht_lock, flags);
-
-	/* if the node is destroyed before connection was accelerated */
-	if (!cm_node->accelerated && cm_node->accept_pend) {
-		pr_err("node destroyed before established\n");
-		atomic_dec(&cm_node->listener->pend_accepts_cnt);
-	}
-	if (cm_node->close_entry)
-		i40iw_handle_close_entry(cm_node, 0);
-	if (cm_node->listener) {
-		i40iw_dec_refcnt_listen(cm_core, cm_node->listener, 0, true);
-	} else {
-		if (cm_node->apbvt_set) {
-			i40iw_manage_apbvt(cm_node->iwdev,
-					   cm_node->loc_port,
-					   I40IW_MANAGE_APBVT_DEL);
-			cm_node->apbvt_set = 0;
-		}
-		i40iw_get_addr_info(cm_node, &nfo);
-		if (cm_node->qhash_set) {
-			i40iw_manage_qhash(cm_node->iwdev,
-					   &nfo,
-					   I40IW_QHASH_TYPE_TCP_ESTABLISHED,
-					   I40IW_QHASH_MANAGE_TYPE_DELETE,
-					   NULL,
-					   false);
-			cm_node->qhash_set = 0;
-		}
-	}
-
-	iwqp = cm_node->iwqp;
-	if (iwqp) {
-		iwqp->cm_node = NULL;
-		i40iw_qp_rem_ref(&iwqp->ibqp);
-		cm_node->iwqp = NULL;
-	} else if (cm_node->qhash_set) {
-		i40iw_get_addr_info(cm_node, &nfo);
-		i40iw_manage_qhash(cm_node->iwdev,
-				   &nfo,
-				   I40IW_QHASH_TYPE_TCP_ESTABLISHED,
-				   I40IW_QHASH_MANAGE_TYPE_DELETE,
-				   NULL,
-				   false);
-		cm_node->qhash_set = 0;
-	}
-
-	cm_node->cm_core->stats_nodes_destroyed++;
-	kfree(cm_node);
-}
-
-/**
- * i40iw_handle_fin_pkt - FIN packet received
- * @cm_node: connection's node
- */
-static void i40iw_handle_fin_pkt(struct i40iw_cm_node *cm_node)
-{
-	u32 ret;
-
-	switch (cm_node->state) {
-	case I40IW_CM_STATE_SYN_RCVD:
-	case I40IW_CM_STATE_SYN_SENT:
-	case I40IW_CM_STATE_ESTABLISHED:
-	case I40IW_CM_STATE_MPAREJ_RCVD:
-		cm_node->tcp_cntxt.rcv_nxt++;
-		i40iw_cleanup_retrans_entry(cm_node);
-		cm_node->state = I40IW_CM_STATE_LAST_ACK;
-		i40iw_send_fin(cm_node);
-		break;
-	case I40IW_CM_STATE_MPAREQ_SENT:
-		i40iw_create_event(cm_node, I40IW_CM_EVENT_ABORTED);
-		cm_node->tcp_cntxt.rcv_nxt++;
-		i40iw_cleanup_retrans_entry(cm_node);
-		cm_node->state = I40IW_CM_STATE_CLOSED;
-		atomic_inc(&cm_node->ref_count);
-		i40iw_send_reset(cm_node);
-		break;
-	case I40IW_CM_STATE_FIN_WAIT1:
-		cm_node->tcp_cntxt.rcv_nxt++;
-		i40iw_cleanup_retrans_entry(cm_node);
-		cm_node->state = I40IW_CM_STATE_CLOSING;
-		i40iw_send_ack(cm_node);
-		/*
-		 * Wait for ACK as this is simultaneous close.
-		 * After we receive ACK, do not send anything.
-		 * Just rm the node.
-		 */
-		break;
-	case I40IW_CM_STATE_FIN_WAIT2:
-		cm_node->tcp_cntxt.rcv_nxt++;
-		i40iw_cleanup_retrans_entry(cm_node);
-		cm_node->state = I40IW_CM_STATE_TIME_WAIT;
-		i40iw_send_ack(cm_node);
-		ret =
-		    i40iw_schedule_cm_timer(cm_node, NULL, I40IW_TIMER_TYPE_CLOSE, 1, 0);
-		if (ret)
-			i40iw_pr_err("node %p state = %d\n", cm_node, cm_node->state);
-		break;
-	case I40IW_CM_STATE_TIME_WAIT:
-		cm_node->tcp_cntxt.rcv_nxt++;
-		i40iw_cleanup_retrans_entry(cm_node);
-		cm_node->state = I40IW_CM_STATE_CLOSED;
-		i40iw_rem_ref_cm_node(cm_node);
-		break;
-	case I40IW_CM_STATE_OFFLOADED:
-	default:
-		i40iw_pr_err("bad state node %p state = %d\n", cm_node, cm_node->state);
-		break;
-	}
-}
-
-/**
- * i40iw_handle_rst_pkt - process received RST packet
- * @cm_node: connection's node
- * @rbuf: receive buffer
- */
-static void i40iw_handle_rst_pkt(struct i40iw_cm_node *cm_node,
-				 struct i40iw_puda_buf *rbuf)
-{
-	i40iw_cleanup_retrans_entry(cm_node);
-	switch (cm_node->state) {
-	case I40IW_CM_STATE_SYN_SENT:
-	case I40IW_CM_STATE_MPAREQ_SENT:
-		switch (cm_node->mpa_frame_rev) {
-		case IETF_MPA_V2:
-			cm_node->mpa_frame_rev = IETF_MPA_V1;
-			/* send a syn and goto syn sent state */
-			cm_node->state = I40IW_CM_STATE_SYN_SENT;
-			if (i40iw_send_syn(cm_node, 0))
-				i40iw_active_open_err(cm_node, false);
-			break;
-		case IETF_MPA_V1:
-		default:
-			i40iw_active_open_err(cm_node, false);
-			break;
-		}
-		break;
-	case I40IW_CM_STATE_MPAREQ_RCVD:
-		atomic_inc(&cm_node->passive_state);
-		break;
-	case I40IW_CM_STATE_ESTABLISHED:
-	case I40IW_CM_STATE_SYN_RCVD:
-	case I40IW_CM_STATE_LISTENING:
-		i40iw_pr_err("Bad state state = %d\n", cm_node->state);
-		i40iw_passive_open_err(cm_node, false);
-		break;
-	case I40IW_CM_STATE_OFFLOADED:
-		i40iw_active_open_err(cm_node, false);
-		break;
-	case I40IW_CM_STATE_CLOSED:
-		break;
-	case I40IW_CM_STATE_FIN_WAIT2:
-	case I40IW_CM_STATE_FIN_WAIT1:
-	case I40IW_CM_STATE_LAST_ACK:
-		cm_node->cm_id->rem_ref(cm_node->cm_id);
-		fallthrough;
-	case I40IW_CM_STATE_TIME_WAIT:
-		cm_node->state = I40IW_CM_STATE_CLOSED;
-		i40iw_rem_ref_cm_node(cm_node);
-		break;
-	default:
-		break;
-	}
-}
-
-/**
- * i40iw_handle_rcv_mpa - Process a recv'd mpa buffer
- * @cm_node: connection's node
- * @rbuf: receive buffer
- */
-static void i40iw_handle_rcv_mpa(struct i40iw_cm_node *cm_node,
-				 struct i40iw_puda_buf *rbuf)
-{
-	int ret;
-	int datasize = rbuf->datalen;
-	u8 *dataloc = rbuf->data;
-
-	enum i40iw_cm_event_type type = I40IW_CM_EVENT_UNKNOWN;
-	u32 res_type;
-
-	ret = i40iw_parse_mpa(cm_node, dataloc, &res_type, datasize);
-	if (ret) {
-		if (cm_node->state == I40IW_CM_STATE_MPAREQ_SENT)
-			i40iw_active_open_err(cm_node, true);
-		else
-			i40iw_passive_open_err(cm_node, true);
-		return;
-	}
-
-	switch (cm_node->state) {
-	case I40IW_CM_STATE_ESTABLISHED:
-		if (res_type == I40IW_MPA_REQUEST_REJECT)
-			i40iw_pr_err("state for reject\n");
-		cm_node->state = I40IW_CM_STATE_MPAREQ_RCVD;
-		type = I40IW_CM_EVENT_MPA_REQ;
-		i40iw_send_ack(cm_node);	/* ACK received MPA request */
-		atomic_set(&cm_node->passive_state,
-			   I40IW_PASSIVE_STATE_INDICATED);
-		break;
-	case I40IW_CM_STATE_MPAREQ_SENT:
-		i40iw_cleanup_retrans_entry(cm_node);
-		if (res_type == I40IW_MPA_REQUEST_REJECT) {
-			type = I40IW_CM_EVENT_MPA_REJECT;
-			cm_node->state = I40IW_CM_STATE_MPAREJ_RCVD;
-		} else {
-			type = I40IW_CM_EVENT_CONNECTED;
-			cm_node->state = I40IW_CM_STATE_OFFLOADED;
-		}
-		i40iw_send_ack(cm_node);
-		break;
-	default:
-		pr_err("%s wrong cm_node state =%d\n", __func__, cm_node->state);
-		break;
-	}
-	i40iw_create_event(cm_node, type);
-}
-
-/**
- * i40iw_indicate_pkt_err - Send up err event to cm
- * @cm_node: connection's node
- */
-static void i40iw_indicate_pkt_err(struct i40iw_cm_node *cm_node)
-{
-	switch (cm_node->state) {
-	case I40IW_CM_STATE_SYN_SENT:
-	case I40IW_CM_STATE_MPAREQ_SENT:
-		i40iw_active_open_err(cm_node, true);
-		break;
-	case I40IW_CM_STATE_ESTABLISHED:
-	case I40IW_CM_STATE_SYN_RCVD:
-		i40iw_passive_open_err(cm_node, true);
-		break;
-	case I40IW_CM_STATE_OFFLOADED:
-	default:
-		break;
-	}
-}
-
-/**
- * i40iw_check_syn - Check for error on received syn ack
- * @cm_node: connection's node
- * @tcph: pointer tcp header
- */
-static int i40iw_check_syn(struct i40iw_cm_node *cm_node, struct tcphdr *tcph)
-{
-	int err = 0;
-
-	if (ntohl(tcph->ack_seq) != cm_node->tcp_cntxt.loc_seq_num) {
-		err = 1;
-		i40iw_active_open_err(cm_node, true);
-	}
-	return err;
-}
-
-/**
- * i40iw_check_seq - check seq numbers if OK
- * @cm_node: connection's node
- * @tcph: pointer tcp header
- */
-static int i40iw_check_seq(struct i40iw_cm_node *cm_node, struct tcphdr *tcph)
-{
-	int err = 0;
-	u32 seq;
-	u32 ack_seq;
-	u32 loc_seq_num = cm_node->tcp_cntxt.loc_seq_num;
-	u32 rcv_nxt = cm_node->tcp_cntxt.rcv_nxt;
-	u32 rcv_wnd;
-
-	seq = ntohl(tcph->seq);
-	ack_seq = ntohl(tcph->ack_seq);
-	rcv_wnd = cm_node->tcp_cntxt.rcv_wnd;
-	if (ack_seq != loc_seq_num)
-		err = -1;
-	else if (!between(seq, rcv_nxt, (rcv_nxt + rcv_wnd)))
-		err = -1;
-	if (err) {
-		i40iw_pr_err("seq number\n");
-		i40iw_indicate_pkt_err(cm_node);
-	}
-	return err;
-}
-
-/**
- * i40iw_handle_syn_pkt - is for Passive node
- * @cm_node: connection's node
- * @rbuf: receive buffer
- */
-static void i40iw_handle_syn_pkt(struct i40iw_cm_node *cm_node,
-				 struct i40iw_puda_buf *rbuf)
-{
-	struct tcphdr *tcph = (struct tcphdr *)rbuf->tcph;
-	int ret;
-	u32 inc_sequence;
-	int optionsize;
-	struct i40iw_cm_info nfo;
-
-	optionsize = (tcph->doff << 2) - sizeof(struct tcphdr);
-	inc_sequence = ntohl(tcph->seq);
-
-	switch (cm_node->state) {
-	case I40IW_CM_STATE_SYN_SENT:
-	case I40IW_CM_STATE_MPAREQ_SENT:
-		/* Rcvd syn on active open connection */
-		i40iw_active_open_err(cm_node, 1);
-		break;
-	case I40IW_CM_STATE_LISTENING:
-		/* Passive OPEN */
-		if (atomic_read(&cm_node->listener->pend_accepts_cnt) >
-		    cm_node->listener->backlog) {
-			cm_node->cm_core->stats_backlog_drops++;
-			i40iw_passive_open_err(cm_node, false);
-			break;
-		}
-		ret = i40iw_handle_tcp_options(cm_node, tcph, optionsize, 1);
-		if (ret) {
-			i40iw_passive_open_err(cm_node, false);
-			/* drop pkt */
-			break;
-		}
-		cm_node->tcp_cntxt.rcv_nxt = inc_sequence + 1;
-		cm_node->accept_pend = 1;
-		atomic_inc(&cm_node->listener->pend_accepts_cnt);
-
-		cm_node->state = I40IW_CM_STATE_SYN_RCVD;
-		i40iw_get_addr_info(cm_node, &nfo);
-		ret = i40iw_manage_qhash(cm_node->iwdev,
-					 &nfo,
-					 I40IW_QHASH_TYPE_TCP_ESTABLISHED,
-					 I40IW_QHASH_MANAGE_TYPE_ADD,
-					 (void *)cm_node,
-					 false);
-		cm_node->qhash_set = true;
-		break;
-	case I40IW_CM_STATE_CLOSED:
-		i40iw_cleanup_retrans_entry(cm_node);
-		atomic_inc(&cm_node->ref_count);
-		i40iw_send_reset(cm_node);
-		break;
-	case I40IW_CM_STATE_OFFLOADED:
-	case I40IW_CM_STATE_ESTABLISHED:
-	case I40IW_CM_STATE_FIN_WAIT1:
-	case I40IW_CM_STATE_FIN_WAIT2:
-	case I40IW_CM_STATE_MPAREQ_RCVD:
-	case I40IW_CM_STATE_LAST_ACK:
-	case I40IW_CM_STATE_CLOSING:
-	case I40IW_CM_STATE_UNKNOWN:
-	default:
-		break;
-	}
-}
-
-/**
- * i40iw_handle_synack_pkt - Process SYN+ACK packet (active side)
- * @cm_node: connection's node
- * @rbuf: receive buffer
- */
-static void i40iw_handle_synack_pkt(struct i40iw_cm_node *cm_node,
-				    struct i40iw_puda_buf *rbuf)
-{
-	struct tcphdr *tcph = (struct tcphdr *)rbuf->tcph;
-	int ret;
-	u32 inc_sequence;
-	int optionsize;
-
-	optionsize = (tcph->doff << 2) - sizeof(struct tcphdr);
-	inc_sequence = ntohl(tcph->seq);
-	switch (cm_node->state) {
-	case I40IW_CM_STATE_SYN_SENT:
-		i40iw_cleanup_retrans_entry(cm_node);
-		/* active open */
-		if (i40iw_check_syn(cm_node, tcph)) {
-			i40iw_pr_err("check syn fail\n");
-			return;
-		}
-		cm_node->tcp_cntxt.rem_ack_num = ntohl(tcph->ack_seq);
-		/* setup options */
-		ret = i40iw_handle_tcp_options(cm_node, tcph, optionsize, 0);
-		if (ret) {
-			i40iw_debug(cm_node->dev,
-				    I40IW_DEBUG_CM,
-				    "cm_node=%p tcp_options failed\n",
-				    cm_node);
-			break;
-		}
-		i40iw_cleanup_retrans_entry(cm_node);
-		cm_node->tcp_cntxt.rcv_nxt = inc_sequence + 1;
-		i40iw_send_ack(cm_node);	/* ACK  for the syn_ack */
-		ret = i40iw_send_mpa_request(cm_node);
-		if (ret) {
-			i40iw_debug(cm_node->dev,
-				    I40IW_DEBUG_CM,
-				    "cm_node=%p i40iw_send_mpa_request failed\n",
-				    cm_node);
-			break;
-		}
-		cm_node->state = I40IW_CM_STATE_MPAREQ_SENT;
-		break;
-	case I40IW_CM_STATE_MPAREQ_RCVD:
-		i40iw_passive_open_err(cm_node, true);
-		break;
-	case I40IW_CM_STATE_LISTENING:
-		cm_node->tcp_cntxt.loc_seq_num = ntohl(tcph->ack_seq);
-		i40iw_cleanup_retrans_entry(cm_node);
-		cm_node->state = I40IW_CM_STATE_CLOSED;
-		i40iw_send_reset(cm_node);
-		break;
-	case I40IW_CM_STATE_CLOSED:
-		cm_node->tcp_cntxt.loc_seq_num = ntohl(tcph->ack_seq);
-		i40iw_cleanup_retrans_entry(cm_node);
-		atomic_inc(&cm_node->ref_count);
-		i40iw_send_reset(cm_node);
-		break;
-	case I40IW_CM_STATE_ESTABLISHED:
-	case I40IW_CM_STATE_FIN_WAIT1:
-	case I40IW_CM_STATE_FIN_WAIT2:
-	case I40IW_CM_STATE_LAST_ACK:
-	case I40IW_CM_STATE_OFFLOADED:
-	case I40IW_CM_STATE_CLOSING:
-	case I40IW_CM_STATE_UNKNOWN:
-	case I40IW_CM_STATE_MPAREQ_SENT:
-	default:
-		break;
-	}
-}
-
-/**
- * i40iw_handle_ack_pkt - process packet with ACK
- * @cm_node: connection's node
- * @rbuf: receive buffer
- */
-static int i40iw_handle_ack_pkt(struct i40iw_cm_node *cm_node,
-				struct i40iw_puda_buf *rbuf)
-{
-	struct tcphdr *tcph = (struct tcphdr *)rbuf->tcph;
-	u32 inc_sequence;
-	int ret = 0;
-	int optionsize;
-	u32 datasize = rbuf->datalen;
-
-	optionsize = (tcph->doff << 2) - sizeof(struct tcphdr);
-
-	if (i40iw_check_seq(cm_node, tcph))
-		return -EINVAL;
-
-	inc_sequence = ntohl(tcph->seq);
-	switch (cm_node->state) {
-	case I40IW_CM_STATE_SYN_RCVD:
-		i40iw_cleanup_retrans_entry(cm_node);
-		ret = i40iw_handle_tcp_options(cm_node, tcph, optionsize, 1);
-		if (ret)
-			break;
-		cm_node->tcp_cntxt.rem_ack_num = ntohl(tcph->ack_seq);
-		cm_node->state = I40IW_CM_STATE_ESTABLISHED;
-		if (datasize) {
-			cm_node->tcp_cntxt.rcv_nxt = inc_sequence + datasize;
-			i40iw_handle_rcv_mpa(cm_node, rbuf);
-		}
-		break;
-	case I40IW_CM_STATE_ESTABLISHED:
-		i40iw_cleanup_retrans_entry(cm_node);
-		if (datasize) {
-			cm_node->tcp_cntxt.rcv_nxt = inc_sequence + datasize;
-			i40iw_handle_rcv_mpa(cm_node, rbuf);
-		}
-		break;
-	case I40IW_CM_STATE_MPAREQ_SENT:
-		cm_node->tcp_cntxt.rem_ack_num = ntohl(tcph->ack_seq);
-		if (datasize) {
-			cm_node->tcp_cntxt.rcv_nxt = inc_sequence + datasize;
-			cm_node->ack_rcvd = false;
-			i40iw_handle_rcv_mpa(cm_node, rbuf);
-		} else {
-			cm_node->ack_rcvd = true;
-		}
-		break;
-	case I40IW_CM_STATE_LISTENING:
-		i40iw_cleanup_retrans_entry(cm_node);
-		cm_node->state = I40IW_CM_STATE_CLOSED;
-		i40iw_send_reset(cm_node);
-		break;
-	case I40IW_CM_STATE_CLOSED:
-		i40iw_cleanup_retrans_entry(cm_node);
-		atomic_inc(&cm_node->ref_count);
-		i40iw_send_reset(cm_node);
-		break;
-	case I40IW_CM_STATE_LAST_ACK:
-	case I40IW_CM_STATE_CLOSING:
-		i40iw_cleanup_retrans_entry(cm_node);
-		cm_node->state = I40IW_CM_STATE_CLOSED;
-		if (!cm_node->accept_pend)
-			cm_node->cm_id->rem_ref(cm_node->cm_id);
-		i40iw_rem_ref_cm_node(cm_node);
-		break;
-	case I40IW_CM_STATE_FIN_WAIT1:
-		i40iw_cleanup_retrans_entry(cm_node);
-		cm_node->state = I40IW_CM_STATE_FIN_WAIT2;
-		break;
-	case I40IW_CM_STATE_SYN_SENT:
-	case I40IW_CM_STATE_FIN_WAIT2:
-	case I40IW_CM_STATE_OFFLOADED:
-	case I40IW_CM_STATE_MPAREQ_RCVD:
-	case I40IW_CM_STATE_UNKNOWN:
-	default:
-		i40iw_cleanup_retrans_entry(cm_node);
-		break;
-	}
-	return ret;
-}
-
-/**
- * i40iw_process_packet - process cm packet
- * @cm_node: connection's node
- * @rbuf: receive buffer
- */
-static void i40iw_process_packet(struct i40iw_cm_node *cm_node,
-				 struct i40iw_puda_buf *rbuf)
-{
-	enum i40iw_tcpip_pkt_type pkt_type = I40IW_PKT_TYPE_UNKNOWN;
-	struct tcphdr *tcph = (struct tcphdr *)rbuf->tcph;
-	u32 fin_set = 0;
-	int ret;
-
-	if (tcph->rst) {
-		pkt_type = I40IW_PKT_TYPE_RST;
-	} else if (tcph->syn) {
-		pkt_type = I40IW_PKT_TYPE_SYN;
-		if (tcph->ack)
-			pkt_type = I40IW_PKT_TYPE_SYNACK;
-	} else if (tcph->ack) {
-		pkt_type = I40IW_PKT_TYPE_ACK;
-	}
-	if (tcph->fin)
-		fin_set = 1;
-
-	switch (pkt_type) {
-	case I40IW_PKT_TYPE_SYN:
-		i40iw_handle_syn_pkt(cm_node, rbuf);
-		break;
-	case I40IW_PKT_TYPE_SYNACK:
-		i40iw_handle_synack_pkt(cm_node, rbuf);
-		break;
-	case I40IW_PKT_TYPE_ACK:
-		ret = i40iw_handle_ack_pkt(cm_node, rbuf);
-		if (fin_set && !ret)
-			i40iw_handle_fin_pkt(cm_node);
-		break;
-	case I40IW_PKT_TYPE_RST:
-		i40iw_handle_rst_pkt(cm_node, rbuf);
-		break;
-	default:
-		if (fin_set &&
-		    (!i40iw_check_seq(cm_node, (struct tcphdr *)rbuf->tcph)))
-			i40iw_handle_fin_pkt(cm_node);
-		break;
-	}
-}
-
-/**
- * i40iw_make_listen_node - create a listen node with params
- * @cm_core: cm's core
- * @iwdev: iwarp device structure
- * @cm_info: quad info for connection
- */
-static struct i40iw_cm_listener *i40iw_make_listen_node(
-					struct i40iw_cm_core *cm_core,
-					struct i40iw_device *iwdev,
-					struct i40iw_cm_info *cm_info)
-{
-	struct i40iw_cm_listener *listener;
-	unsigned long flags;
-
-	/* cannot have multiple matching listeners */
-	listener = i40iw_find_listener(cm_core, cm_info->loc_addr,
-				       cm_info->loc_port,
-				       cm_info->vlan_id,
-				       I40IW_CM_LISTENER_EITHER_STATE);
-	if (listener &&
-	    (listener->listener_state == I40IW_CM_LISTENER_ACTIVE_STATE)) {
-		atomic_dec(&listener->ref_count);
-		i40iw_debug(cm_core->dev,
-			    I40IW_DEBUG_CM,
-			    "Not creating listener since it already exists\n");
-		return NULL;
-	}
-
-	if (!listener) {
-		/* create a CM listen node (1/2 node to compare incoming traffic to) */
-		listener = kzalloc(sizeof(*listener), GFP_KERNEL);
-		if (!listener)
-			return NULL;
-		cm_core->stats_listen_nodes_created++;
-		memcpy(listener->loc_addr, cm_info->loc_addr, sizeof(listener->loc_addr));
-		listener->loc_port = cm_info->loc_port;
-
-		INIT_LIST_HEAD(&listener->child_listen_list);
-
-		atomic_set(&listener->ref_count, 1);
-	} else {
-		listener->reused_node = 1;
-	}
-
-	listener->cm_id = cm_info->cm_id;
-	listener->ipv4 = cm_info->ipv4;
-	listener->vlan_id = cm_info->vlan_id;
-	atomic_set(&listener->pend_accepts_cnt, 0);
-	listener->cm_core = cm_core;
-	listener->iwdev = iwdev;
-
-	listener->backlog = cm_info->backlog;
-	listener->listener_state = I40IW_CM_LISTENER_ACTIVE_STATE;
-
-	if (!listener->reused_node) {
-		spin_lock_irqsave(&cm_core->listen_list_lock, flags);
-		list_add(&listener->list, &cm_core->listen_nodes);
-		spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
-	}
-
-	return listener;
-}
-
-/**
- * i40iw_create_cm_node - make a connection node with params
- * @cm_core: cm's core
- * @iwdev: iwarp device structure
- * @conn_param: upper layer connection parameters
- * @cm_info: quad info for connection
- */
-static struct i40iw_cm_node *i40iw_create_cm_node(
-					struct i40iw_cm_core *cm_core,
-					struct i40iw_device *iwdev,
-					struct iw_cm_conn_param *conn_param,
-					struct i40iw_cm_info *cm_info)
-{
-	struct i40iw_cm_node *cm_node;
-	struct i40iw_cm_listener *loopback_remotelistener;
-	struct i40iw_cm_node *loopback_remotenode;
-	struct i40iw_cm_info loopback_cm_info;
-
-	u16 private_data_len = conn_param->private_data_len;
-	const void *private_data = conn_param->private_data;
-
-	/* create a CM connection node */
-	cm_node = i40iw_make_cm_node(cm_core, iwdev, cm_info, NULL);
-	if (!cm_node)
-		return ERR_PTR(-ENOMEM);
-	/* set our node side to client (active) side */
-	cm_node->tcp_cntxt.client = 1;
-	cm_node->tcp_cntxt.rcv_wscale = I40IW_CM_DEFAULT_RCV_WND_SCALE;
-
-	i40iw_record_ird_ord(cm_node, conn_param->ird, conn_param->ord);
-
-	if (!memcmp(cm_info->loc_addr, cm_info->rem_addr, sizeof(cm_info->loc_addr))) {
-		loopback_remotelistener = i40iw_find_listener(
-						cm_core,
-						cm_info->rem_addr,
-						cm_node->rem_port,
-						cm_node->vlan_id,
-						I40IW_CM_LISTENER_ACTIVE_STATE);
-		if (!loopback_remotelistener) {
-			i40iw_rem_ref_cm_node(cm_node);
-			return ERR_PTR(-ECONNREFUSED);
-		} else {
-			loopback_cm_info = *cm_info;
-			loopback_cm_info.loc_port = cm_info->rem_port;
-			loopback_cm_info.rem_port = cm_info->loc_port;
-			loopback_cm_info.cm_id = loopback_remotelistener->cm_id;
-			loopback_cm_info.ipv4 = cm_info->ipv4;
-			loopback_remotenode = i40iw_make_cm_node(cm_core,
-								 iwdev,
-								 &loopback_cm_info,
-								 loopback_remotelistener);
-			if (!loopback_remotenode) {
-				i40iw_rem_ref_cm_node(cm_node);
-				return ERR_PTR(-ENOMEM);
-			}
-			cm_core->stats_loopbacks++;
-			loopback_remotenode->loopbackpartner = cm_node;
-			loopback_remotenode->tcp_cntxt.rcv_wscale =
-				I40IW_CM_DEFAULT_RCV_WND_SCALE;
-			cm_node->loopbackpartner = loopback_remotenode;
-			memcpy(loopback_remotenode->pdata_buf, private_data,
-			       private_data_len);
-			loopback_remotenode->pdata.size = private_data_len;
-
-			if (loopback_remotenode->ord_size > cm_node->ird_size)
-				loopback_remotenode->ord_size =
-					cm_node->ird_size;
-
-			cm_node->state = I40IW_CM_STATE_OFFLOADED;
-			cm_node->tcp_cntxt.rcv_nxt =
-				loopback_remotenode->tcp_cntxt.loc_seq_num;
-			loopback_remotenode->tcp_cntxt.rcv_nxt =
-				cm_node->tcp_cntxt.loc_seq_num;
-			cm_node->tcp_cntxt.max_snd_wnd =
-				loopback_remotenode->tcp_cntxt.rcv_wnd;
-			loopback_remotenode->tcp_cntxt.max_snd_wnd = cm_node->tcp_cntxt.rcv_wnd;
-			cm_node->tcp_cntxt.snd_wnd = loopback_remotenode->tcp_cntxt.rcv_wnd;
-			loopback_remotenode->tcp_cntxt.snd_wnd = cm_node->tcp_cntxt.rcv_wnd;
-			cm_node->tcp_cntxt.snd_wscale = loopback_remotenode->tcp_cntxt.rcv_wscale;
-			loopback_remotenode->tcp_cntxt.snd_wscale = cm_node->tcp_cntxt.rcv_wscale;
-		}
-		return cm_node;
-	}
-
-	cm_node->pdata.size = private_data_len;
-	cm_node->pdata.addr = cm_node->pdata_buf;
-
-	memcpy(cm_node->pdata_buf, private_data, private_data_len);
-
-	cm_node->state = I40IW_CM_STATE_SYN_SENT;
-	return cm_node;
-}
-
-/**
- * i40iw_cm_reject - reject and teardown a connection
- * @cm_node: connection's node
- * @pdata: ptr to private data for reject
- * @plen: size of private data
- */
-static int i40iw_cm_reject(struct i40iw_cm_node *cm_node, const void *pdata, u8 plen)
-{
-	int ret = 0;
-	int err;
-	int passive_state;
-	struct iw_cm_id *cm_id = cm_node->cm_id;
-	struct i40iw_cm_node *loopback = cm_node->loopbackpartner;
-
-	if (cm_node->tcp_cntxt.client)
-		return ret;
-	i40iw_cleanup_retrans_entry(cm_node);
-
-	if (!loopback) {
-		passive_state = atomic_inc_return(&cm_node->passive_state);
-		if (passive_state == I40IW_SEND_RESET_EVENT) {
-			cm_node->state = I40IW_CM_STATE_CLOSED;
-			i40iw_rem_ref_cm_node(cm_node);
-		} else {
-			if (cm_node->state == I40IW_CM_STATE_LISTENER_DESTROYED) {
-				i40iw_rem_ref_cm_node(cm_node);
-			} else {
-				ret = i40iw_send_mpa_reject(cm_node, pdata, plen);
-				if (ret) {
-					cm_node->state = I40IW_CM_STATE_CLOSED;
-					err = i40iw_send_reset(cm_node);
-					if (err)
-						i40iw_pr_err("send reset failed\n");
-				} else {
-					cm_id->add_ref(cm_id);
-				}
-			}
-		}
-	} else {
-		cm_node->cm_id = NULL;
-		if (cm_node->state == I40IW_CM_STATE_LISTENER_DESTROYED) {
-			i40iw_rem_ref_cm_node(cm_node);
-			i40iw_rem_ref_cm_node(loopback);
-		} else {
-			ret = i40iw_send_cm_event(loopback,
-						  loopback->cm_id,
-						  IW_CM_EVENT_CONNECT_REPLY,
-						  -ECONNREFUSED);
-			i40iw_rem_ref_cm_node(cm_node);
-			loopback->state = I40IW_CM_STATE_CLOSING;
-
-			cm_id = loopback->cm_id;
-			i40iw_rem_ref_cm_node(loopback);
-			cm_id->rem_ref(cm_id);
-		}
-	}
-
-	return ret;
-}
-
-/**
- * i40iw_cm_close - close of cm connection
- * @cm_node: connection's node
- */
-static int i40iw_cm_close(struct i40iw_cm_node *cm_node)
-{
-	int ret = 0;
-
-	if (!cm_node)
-		return -EINVAL;
-
-	switch (cm_node->state) {
-	case I40IW_CM_STATE_SYN_RCVD:
-	case I40IW_CM_STATE_SYN_SENT:
-	case I40IW_CM_STATE_ONE_SIDE_ESTABLISHED:
-	case I40IW_CM_STATE_ESTABLISHED:
-	case I40IW_CM_STATE_ACCEPTING:
-	case I40IW_CM_STATE_MPAREQ_SENT:
-	case I40IW_CM_STATE_MPAREQ_RCVD:
-		i40iw_cleanup_retrans_entry(cm_node);
-		i40iw_send_reset(cm_node);
-		break;
-	case I40IW_CM_STATE_CLOSE_WAIT:
-		cm_node->state = I40IW_CM_STATE_LAST_ACK;
-		i40iw_send_fin(cm_node);
-		break;
-	case I40IW_CM_STATE_FIN_WAIT1:
-	case I40IW_CM_STATE_FIN_WAIT2:
-	case I40IW_CM_STATE_LAST_ACK:
-	case I40IW_CM_STATE_TIME_WAIT:
-	case I40IW_CM_STATE_CLOSING:
-		ret = -1;
-		break;
-	case I40IW_CM_STATE_LISTENING:
-		i40iw_cleanup_retrans_entry(cm_node);
-		i40iw_send_reset(cm_node);
-		break;
-	case I40IW_CM_STATE_MPAREJ_RCVD:
-	case I40IW_CM_STATE_UNKNOWN:
-	case I40IW_CM_STATE_INITED:
-	case I40IW_CM_STATE_CLOSED:
-	case I40IW_CM_STATE_LISTENER_DESTROYED:
-		i40iw_rem_ref_cm_node(cm_node);
-		break;
-	case I40IW_CM_STATE_OFFLOADED:
-		if (cm_node->send_entry)
-			i40iw_pr_err("send_entry\n");
-		i40iw_rem_ref_cm_node(cm_node);
-		break;
-	}
-	return ret;
-}
-
-/**
- * i40iw_receive_ilq - recv an ETHERNET packet, and process it
- * through CM
- * @vsi: pointer to the vsi structure
- * @rbuf: receive buffer
- */
-void i40iw_receive_ilq(struct i40iw_sc_vsi *vsi, struct i40iw_puda_buf *rbuf)
-{
-	struct i40iw_cm_node *cm_node;
-	struct i40iw_cm_listener *listener;
-	struct iphdr *iph;
-	struct ipv6hdr *ip6h;
-	struct tcphdr *tcph;
-	struct i40iw_cm_info cm_info;
-	struct i40iw_sc_dev *dev = vsi->dev;
-	struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev;
-	struct i40iw_cm_core *cm_core = &iwdev->cm_core;
-	struct vlan_ethhdr *ethh;
-	u16 vtag;
-
-	/* if vlan, then maclen = 18 else 14 */
-	iph = (struct iphdr *)rbuf->iph;
-	memset(&cm_info, 0, sizeof(cm_info));
-
-	i40iw_debug_buf(dev,
-			I40IW_DEBUG_ILQ,
-			"RECEIVE ILQ BUFFER",
-			rbuf->mem.va,
-			rbuf->totallen);
-	ethh = (struct vlan_ethhdr *)rbuf->mem.va;
-
-	if (ethh->h_vlan_proto == htons(ETH_P_8021Q)) {
-		vtag = ntohs(ethh->h_vlan_TCI);
-		cm_info.user_pri = (vtag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
-		cm_info.vlan_id = vtag & VLAN_VID_MASK;
-		i40iw_debug(cm_core->dev,
-			    I40IW_DEBUG_CM,
-			    "%s vlan_id=%d\n",
-			    __func__,
-			    cm_info.vlan_id);
-	} else {
-		cm_info.vlan_id = I40IW_NO_VLAN;
-	}
-	tcph = (struct tcphdr *)rbuf->tcph;
-
-	if (rbuf->ipv4) {
-		cm_info.loc_addr[0] = ntohl(iph->daddr);
-		cm_info.rem_addr[0] = ntohl(iph->saddr);
-		cm_info.ipv4 = true;
-		cm_info.tos = iph->tos;
-	} else {
-		ip6h = (struct ipv6hdr *)rbuf->iph;
-		i40iw_copy_ip_ntohl(cm_info.loc_addr,
-				    ip6h->daddr.in6_u.u6_addr32);
-		i40iw_copy_ip_ntohl(cm_info.rem_addr,
-				    ip6h->saddr.in6_u.u6_addr32);
-		cm_info.ipv4 = false;
-		cm_info.tos = (ip6h->priority << 4) | (ip6h->flow_lbl[0] >> 4);
-	}
-	cm_info.loc_port = ntohs(tcph->dest);
-	cm_info.rem_port = ntohs(tcph->source);
-	cm_node = i40iw_find_node(cm_core,
-				  cm_info.rem_port,
-				  cm_info.rem_addr,
-				  cm_info.loc_port,
-				  cm_info.loc_addr,
-				  true,
-				  false);
-
-	if (!cm_node) {
-		/* Only type of packet accepted are for */
-		/* the PASSIVE open (syn only) */
-		if (!tcph->syn || tcph->ack)
-			return;
-		listener =
-		    i40iw_find_listener(cm_core,
-					cm_info.loc_addr,
-					cm_info.loc_port,
-					cm_info.vlan_id,
-					I40IW_CM_LISTENER_ACTIVE_STATE);
-		if (!listener) {
-			cm_info.cm_id = NULL;
-			i40iw_debug(cm_core->dev,
-				    I40IW_DEBUG_CM,
-				    "%s no listener found\n",
-				    __func__);
-			return;
-		}
-		cm_info.cm_id = listener->cm_id;
-		cm_node = i40iw_make_cm_node(cm_core, iwdev, &cm_info, listener);
-		if (!cm_node) {
-			i40iw_debug(cm_core->dev,
-				    I40IW_DEBUG_CM,
-				    "%s allocate node failed\n",
-				    __func__);
-			atomic_dec(&listener->ref_count);
-			return;
-		}
-		if (!tcph->rst && !tcph->fin) {
-			cm_node->state = I40IW_CM_STATE_LISTENING;
-		} else {
-			i40iw_rem_ref_cm_node(cm_node);
-			return;
-		}
-		atomic_inc(&cm_node->ref_count);
-	} else if (cm_node->state == I40IW_CM_STATE_OFFLOADED) {
-		i40iw_rem_ref_cm_node(cm_node);
-		return;
-	}
-	i40iw_process_packet(cm_node, rbuf);
-	i40iw_rem_ref_cm_node(cm_node);
-}
-
-/**
- * i40iw_setup_cm_core - allocate a top level instance of a cm
- * core
- * @iwdev: iwarp device structure
- */
-int i40iw_setup_cm_core(struct i40iw_device *iwdev)
-{
-	struct i40iw_cm_core *cm_core = &iwdev->cm_core;
-
-	cm_core->iwdev = iwdev;
-	cm_core->dev = &iwdev->sc_dev;
-
-	INIT_LIST_HEAD(&cm_core->accelerated_list);
-	INIT_LIST_HEAD(&cm_core->non_accelerated_list);
-	INIT_LIST_HEAD(&cm_core->listen_nodes);
-
-	timer_setup(&cm_core->tcp_timer, i40iw_cm_timer_tick, 0);
-
-	spin_lock_init(&cm_core->ht_lock);
-	spin_lock_init(&cm_core->listen_list_lock);
-	spin_lock_init(&cm_core->apbvt_lock);
-
-	cm_core->event_wq = alloc_ordered_workqueue("iwewq",
-						    WQ_MEM_RECLAIM);
-	if (!cm_core->event_wq)
-		goto error;
-
-	cm_core->disconn_wq = alloc_ordered_workqueue("iwdwq",
-						      WQ_MEM_RECLAIM);
-	if (!cm_core->disconn_wq)
-		goto error;
-
-	return 0;
-error:
-	i40iw_cleanup_cm_core(&iwdev->cm_core);
-
-	return -ENOMEM;
-}
-
-/**
- * i40iw_cleanup_cm_core - deallocate a top level instance of a
- * cm core
- * @cm_core: cm's core
- */
-void i40iw_cleanup_cm_core(struct i40iw_cm_core *cm_core)
-{
-	unsigned long flags;
-
-	if (!cm_core)
-		return;
-
-	spin_lock_irqsave(&cm_core->ht_lock, flags);
-	if (timer_pending(&cm_core->tcp_timer))
-		del_timer_sync(&cm_core->tcp_timer);
-	spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-
-	if (cm_core->event_wq)
-		destroy_workqueue(cm_core->event_wq);
-	if (cm_core->disconn_wq)
-		destroy_workqueue(cm_core->disconn_wq);
-}
-
-/**
- * i40iw_init_tcp_ctx - setup qp context
- * @cm_node: connection's node
- * @tcp_info: offload info for tcp
- * @iwqp: associate qp for the connection
- */
-static void i40iw_init_tcp_ctx(struct i40iw_cm_node *cm_node,
-			       struct i40iw_tcp_offload_info *tcp_info,
-			       struct i40iw_qp *iwqp)
-{
-	tcp_info->ipv4 = cm_node->ipv4;
-	tcp_info->drop_ooo_seg = true;
-	tcp_info->wscale = true;
-	tcp_info->ignore_tcp_opt = true;
-	tcp_info->ignore_tcp_uns_opt = true;
-	tcp_info->no_nagle = false;
-
-	tcp_info->ttl = I40IW_DEFAULT_TTL;
-	tcp_info->rtt_var = cpu_to_le32(I40IW_DEFAULT_RTT_VAR);
-	tcp_info->ss_thresh = cpu_to_le32(I40IW_DEFAULT_SS_THRESH);
-	tcp_info->rexmit_thresh = I40IW_DEFAULT_REXMIT_THRESH;
-
-	tcp_info->tcp_state = I40IW_TCP_STATE_ESTABLISHED;
-	tcp_info->snd_wscale = cm_node->tcp_cntxt.snd_wscale;
-	tcp_info->rcv_wscale = cm_node->tcp_cntxt.rcv_wscale;
-
-	tcp_info->snd_nxt = cpu_to_le32(cm_node->tcp_cntxt.loc_seq_num);
-	tcp_info->snd_wnd = cpu_to_le32(cm_node->tcp_cntxt.snd_wnd);
-	tcp_info->rcv_nxt = cpu_to_le32(cm_node->tcp_cntxt.rcv_nxt);
-	tcp_info->snd_max = cpu_to_le32(cm_node->tcp_cntxt.loc_seq_num);
-
-	tcp_info->snd_una = cpu_to_le32(cm_node->tcp_cntxt.loc_seq_num);
-	tcp_info->cwnd = cpu_to_le32(2 * cm_node->tcp_cntxt.mss);
-	tcp_info->snd_wl1 = cpu_to_le32(cm_node->tcp_cntxt.rcv_nxt);
-	tcp_info->snd_wl2 = cpu_to_le32(cm_node->tcp_cntxt.loc_seq_num);
-	tcp_info->max_snd_window = cpu_to_le32(cm_node->tcp_cntxt.max_snd_wnd);
-	tcp_info->rcv_wnd = cpu_to_le32(cm_node->tcp_cntxt.rcv_wnd <<
-					cm_node->tcp_cntxt.rcv_wscale);
-
-	tcp_info->flow_label = 0;
-	tcp_info->snd_mss = cpu_to_le32(((u32)cm_node->tcp_cntxt.mss));
-	if (cm_node->vlan_id <= VLAN_VID_MASK) {
-		tcp_info->insert_vlan_tag = true;
-		tcp_info->vlan_tag = cpu_to_le16(((u16)cm_node->user_pri << I40IW_VLAN_PRIO_SHIFT) |
-						  cm_node->vlan_id);
-	}
-	if (cm_node->ipv4) {
-		tcp_info->src_port = cpu_to_le16(cm_node->loc_port);
-		tcp_info->dst_port = cpu_to_le16(cm_node->rem_port);
-
-		tcp_info->dest_ip_addr3 = cpu_to_le32(cm_node->rem_addr[0]);
-		tcp_info->local_ipaddr3 = cpu_to_le32(cm_node->loc_addr[0]);
-		tcp_info->arp_idx =
-			cpu_to_le16((u16)i40iw_arp_table(
-							 iwqp->iwdev,
-							 &tcp_info->dest_ip_addr3,
-							 true,
-							 NULL,
-							 I40IW_ARP_RESOLVE));
-	} else {
-		tcp_info->src_port = cpu_to_le16(cm_node->loc_port);
-		tcp_info->dst_port = cpu_to_le16(cm_node->rem_port);
-		tcp_info->dest_ip_addr0 = cpu_to_le32(cm_node->rem_addr[0]);
-		tcp_info->dest_ip_addr1 = cpu_to_le32(cm_node->rem_addr[1]);
-		tcp_info->dest_ip_addr2 = cpu_to_le32(cm_node->rem_addr[2]);
-		tcp_info->dest_ip_addr3 = cpu_to_le32(cm_node->rem_addr[3]);
-		tcp_info->local_ipaddr0 = cpu_to_le32(cm_node->loc_addr[0]);
-		tcp_info->local_ipaddr1 = cpu_to_le32(cm_node->loc_addr[1]);
-		tcp_info->local_ipaddr2 = cpu_to_le32(cm_node->loc_addr[2]);
-		tcp_info->local_ipaddr3 = cpu_to_le32(cm_node->loc_addr[3]);
-		tcp_info->arp_idx =
-			cpu_to_le16((u16)i40iw_arp_table(
-							 iwqp->iwdev,
-							 &tcp_info->dest_ip_addr0,
-							 false,
-							 NULL,
-							 I40IW_ARP_RESOLVE));
-	}
-}
-
-/**
- * i40iw_cm_init_tsa_conn - setup qp for RTS
- * @iwqp: associate qp for the connection
- * @cm_node: connection's node
- */
-static void i40iw_cm_init_tsa_conn(struct i40iw_qp *iwqp,
-				   struct i40iw_cm_node *cm_node)
-{
-	struct i40iw_tcp_offload_info tcp_info;
-	struct i40iwarp_offload_info *iwarp_info;
-	struct i40iw_qp_host_ctx_info *ctx_info;
-	struct i40iw_device *iwdev = iwqp->iwdev;
-	struct i40iw_sc_dev *dev = &iwqp->iwdev->sc_dev;
-
-	memset(&tcp_info, 0x00, sizeof(struct i40iw_tcp_offload_info));
-	iwarp_info = &iwqp->iwarp_info;
-	ctx_info = &iwqp->ctx_info;
-
-	ctx_info->tcp_info = &tcp_info;
-	ctx_info->send_cq_num = iwqp->iwscq->sc_cq.cq_uk.cq_id;
-	ctx_info->rcv_cq_num = iwqp->iwrcq->sc_cq.cq_uk.cq_id;
-
-	iwarp_info->ord_size = cm_node->ord_size;
-	iwarp_info->ird_size = i40iw_derive_hw_ird_setting(cm_node->ird_size);
-
-	if (iwarp_info->ord_size == 1)
-		iwarp_info->ord_size = 2;
-
-	iwarp_info->rd_enable = true;
-	iwarp_info->rdmap_ver = 1;
-	iwarp_info->ddp_ver = 1;
-
-	iwarp_info->pd_id = iwqp->iwpd->sc_pd.pd_id;
-
-	ctx_info->tcp_info_valid = true;
-	ctx_info->iwarp_info_valid = true;
-	ctx_info->add_to_qoslist = true;
-	ctx_info->user_pri = cm_node->user_pri;
-
-	i40iw_init_tcp_ctx(cm_node, &tcp_info, iwqp);
-	if (cm_node->snd_mark_en) {
-		iwarp_info->snd_mark_en = true;
-		iwarp_info->snd_mark_offset = (tcp_info.snd_nxt &
-				SNDMARKER_SEQNMASK) + cm_node->lsmm_size;
-	}
-
-	cm_node->state = I40IW_CM_STATE_OFFLOADED;
-	tcp_info.tcp_state = I40IW_TCP_STATE_ESTABLISHED;
-	tcp_info.src_mac_addr_idx = iwdev->mac_ip_table_idx;
-	tcp_info.tos = cm_node->tos;
-
-	dev->iw_priv_qp_ops->qp_setctx(&iwqp->sc_qp, (u64 *)(iwqp->host_ctx.va), ctx_info);
-
-	/* once tcp_info is set, no need to do it again */
-	ctx_info->tcp_info_valid = false;
-	ctx_info->iwarp_info_valid = false;
-	ctx_info->add_to_qoslist = false;
-}
-
-/**
- * i40iw_cm_disconn - when a connection is being closed
- * @iwqp: associate qp for the connection
- */
-void i40iw_cm_disconn(struct i40iw_qp *iwqp)
-{
-	struct disconn_work *work;
-	struct i40iw_device *iwdev = iwqp->iwdev;
-	struct i40iw_cm_core *cm_core = &iwdev->cm_core;
-	unsigned long flags;
-
-	work = kzalloc(sizeof(*work), GFP_ATOMIC);
-	if (!work)
-		return;	/* Timer will clean up */
-
-	spin_lock_irqsave(&iwdev->qptable_lock, flags);
-	if (!iwdev->qp_table[iwqp->ibqp.qp_num]) {
-		spin_unlock_irqrestore(&iwdev->qptable_lock, flags);
-		i40iw_debug(&iwdev->sc_dev, I40IW_DEBUG_CM,
-			    "%s qp_id %d is already freed\n",
-			     __func__, iwqp->ibqp.qp_num);
-		kfree(work);
-		return;
-	}
-	i40iw_qp_add_ref(&iwqp->ibqp);
-	spin_unlock_irqrestore(&iwdev->qptable_lock, flags);
-
-	work->iwqp = iwqp;
-	INIT_WORK(&work->work, i40iw_disconnect_worker);
-	queue_work(cm_core->disconn_wq, &work->work);
-	return;
-}
-
-/**
- * i40iw_qp_disconnect - free qp and close cm
- * @iwqp: associate qp for the connection
- */
-static void i40iw_qp_disconnect(struct i40iw_qp *iwqp)
-{
-	struct i40iw_device *iwdev;
-	struct i40iw_ib_device *iwibdev;
-
-	iwdev = to_iwdev(iwqp->ibqp.device);
-	if (!iwdev) {
-		i40iw_pr_err("iwdev == NULL\n");
-		return;
-	}
-
-	iwibdev = iwdev->iwibdev;
-
-	if (iwqp->active_conn) {
-		/* indicate this connection is NOT active */
-		iwqp->active_conn = 0;
-	} else {
-		/* Need to free the Last Streaming Mode Message */
-		if (iwqp->ietf_mem.va) {
-			if (iwqp->lsmm_mr)
-				iwibdev->ibdev.ops.dereg_mr(iwqp->lsmm_mr,
-							    NULL);
-			i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwqp->ietf_mem);
-		}
-	}
-
-	/* close the CM node down if it is still active */
-	if (iwqp->cm_node) {
-		i40iw_debug(&iwdev->sc_dev, I40IW_DEBUG_CM, "%s Call close API\n", __func__);
-		i40iw_cm_close(iwqp->cm_node);
-	}
-}
-
-/**
- * i40iw_cm_disconn_true - called by worker thread to disconnect qp
- * @iwqp: associate qp for the connection
- */
-static void i40iw_cm_disconn_true(struct i40iw_qp *iwqp)
-{
-	struct iw_cm_id *cm_id;
-	struct i40iw_device *iwdev;
-	struct i40iw_sc_qp *qp = &iwqp->sc_qp;
-	u16 last_ae;
-	u8 original_hw_tcp_state;
-	u8 original_ibqp_state;
-	int disconn_status = 0;
-	int issue_disconn = 0;
-	int issue_close = 0;
-	int issue_flush = 0;
-	struct ib_event ibevent;
-	unsigned long flags;
-	int ret;
-
-	if (!iwqp) {
-		i40iw_pr_err("iwqp == NULL\n");
-		return;
-	}
-
-	spin_lock_irqsave(&iwqp->lock, flags);
-	cm_id = iwqp->cm_id;
-	/* make sure we havent already closed this connection */
-	if (!cm_id) {
-		spin_unlock_irqrestore(&iwqp->lock, flags);
-		return;
-	}
-
-	iwdev = to_iwdev(iwqp->ibqp.device);
-
-	original_hw_tcp_state = iwqp->hw_tcp_state;
-	original_ibqp_state = iwqp->ibqp_state;
-	last_ae = iwqp->last_aeq;
-
-	if (qp->term_flags) {
-		issue_disconn = 1;
-		issue_close = 1;
-		iwqp->cm_id = NULL;
-		/*When term timer expires after cm_timer, don't want
-		 *terminate-handler to issue cm_disconn which can re-free
-		 *a QP even after its refcnt=0.
-		 */
-		i40iw_terminate_del_timer(qp);
-		if (!iwqp->flush_issued) {
-			iwqp->flush_issued = 1;
-			issue_flush = 1;
-		}
-	} else if ((original_hw_tcp_state == I40IW_TCP_STATE_CLOSE_WAIT) ||
-		   ((original_ibqp_state == IB_QPS_RTS) &&
-		    (last_ae == I40IW_AE_LLP_CONNECTION_RESET))) {
-		issue_disconn = 1;
-		if (last_ae == I40IW_AE_LLP_CONNECTION_RESET)
-			disconn_status = -ECONNRESET;
-	}
-
-	if (((original_hw_tcp_state == I40IW_TCP_STATE_CLOSED) ||
-	     (original_hw_tcp_state == I40IW_TCP_STATE_TIME_WAIT) ||
-	     (last_ae == I40IW_AE_RDMAP_ROE_BAD_LLP_CLOSE) ||
-	     (last_ae == I40IW_AE_LLP_CONNECTION_RESET) ||
-	      iwdev->reset)) {
-		issue_close = 1;
-		iwqp->cm_id = NULL;
-		if (!iwqp->flush_issued) {
-			iwqp->flush_issued = 1;
-			issue_flush = 1;
-		}
-	}
-
-	spin_unlock_irqrestore(&iwqp->lock, flags);
-	if (issue_flush && !iwqp->destroyed) {
-		/* Flush the queues */
-		i40iw_flush_wqes(iwdev, iwqp);
-
-		if (qp->term_flags && iwqp->ibqp.event_handler) {
-			ibevent.device = iwqp->ibqp.device;
-			ibevent.event = (qp->eventtype == TERM_EVENT_QP_FATAL) ?
-					IB_EVENT_QP_FATAL : IB_EVENT_QP_ACCESS_ERR;
-			ibevent.element.qp = &iwqp->ibqp;
-			iwqp->ibqp.event_handler(&ibevent, iwqp->ibqp.qp_context);
-		}
-	}
-
-	if (cm_id && cm_id->event_handler) {
-		if (issue_disconn) {
-			ret = i40iw_send_cm_event(NULL,
-						  cm_id,
-						  IW_CM_EVENT_DISCONNECT,
-						  disconn_status);
-
-			if (ret)
-				i40iw_debug(&iwdev->sc_dev,
-					    I40IW_DEBUG_CM,
-					    "disconnect event failed %s: - cm_id = %p\n",
-					    __func__, cm_id);
-		}
-		if (issue_close) {
-			i40iw_qp_disconnect(iwqp);
-			cm_id->provider_data = iwqp;
-			ret = i40iw_send_cm_event(NULL, cm_id, IW_CM_EVENT_CLOSE, 0);
-			if (ret)
-				i40iw_debug(&iwdev->sc_dev,
-					    I40IW_DEBUG_CM,
-					    "close event failed %s: - cm_id = %p\n",
-					    __func__, cm_id);
-			cm_id->rem_ref(cm_id);
-		}
-	}
-}
-
-/**
- * i40iw_disconnect_worker - worker for connection close
- * @work: points or disconn structure
- */
-static void i40iw_disconnect_worker(struct work_struct *work)
-{
-	struct disconn_work *dwork = container_of(work, struct disconn_work, work);
-	struct i40iw_qp *iwqp = dwork->iwqp;
-
-	kfree(dwork);
-	i40iw_cm_disconn_true(iwqp);
-	i40iw_qp_rem_ref(&iwqp->ibqp);
-}
-
-/**
- * i40iw_accept - registered call for connection to be accepted
- * @cm_id: cm information for passive connection
- * @conn_param: accpet parameters
- */
-int i40iw_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
-{
-	struct ib_qp *ibqp;
-	struct i40iw_qp *iwqp;
-	struct i40iw_device *iwdev;
-	struct i40iw_sc_dev *dev;
-	struct i40iw_cm_core *cm_core;
-	struct i40iw_cm_node *cm_node;
-	struct ib_qp_attr attr;
-	int passive_state;
-	struct ib_mr *ibmr;
-	struct i40iw_pd *iwpd;
-	u16 buf_len = 0;
-	struct i40iw_kmem_info accept;
-	enum i40iw_status_code status;
-	u64 tagged_offset;
-	unsigned long flags;
-
-	memset(&attr, 0, sizeof(attr));
-	ibqp = i40iw_get_qp(cm_id->device, conn_param->qpn);
-	if (!ibqp)
-		return -EINVAL;
-
-	iwqp = to_iwqp(ibqp);
-	iwdev = iwqp->iwdev;
-	dev = &iwdev->sc_dev;
-	cm_core = &iwdev->cm_core;
-	cm_node = (struct i40iw_cm_node *)cm_id->provider_data;
-
-	if (((struct sockaddr_in *)&cm_id->local_addr)->sin_family == AF_INET) {
-		cm_node->ipv4 = true;
-		cm_node->vlan_id = i40iw_get_vlan_ipv4(cm_node->loc_addr);
-	} else {
-		cm_node->ipv4 = false;
-		i40iw_netdev_vlan_ipv6(cm_node->loc_addr, &cm_node->vlan_id);
-	}
-	i40iw_debug(cm_node->dev,
-		    I40IW_DEBUG_CM,
-		    "Accept vlan_id=%d\n",
-		    cm_node->vlan_id);
-	if (cm_node->state == I40IW_CM_STATE_LISTENER_DESTROYED) {
-		if (cm_node->loopbackpartner)
-			i40iw_rem_ref_cm_node(cm_node->loopbackpartner);
-		i40iw_rem_ref_cm_node(cm_node);
-		return -EINVAL;
-	}
-
-	passive_state = atomic_inc_return(&cm_node->passive_state);
-	if (passive_state == I40IW_SEND_RESET_EVENT) {
-		i40iw_rem_ref_cm_node(cm_node);
-		return -ECONNRESET;
-	}
-
-	cm_node->cm_core->stats_accepts++;
-	iwqp->cm_node = (void *)cm_node;
-	cm_node->iwqp = iwqp;
-
-	buf_len = conn_param->private_data_len + I40IW_MAX_IETF_SIZE;
-
-	status = i40iw_allocate_dma_mem(dev->hw, &iwqp->ietf_mem, buf_len, 1);
-
-	if (status)
-		return -ENOMEM;
-	cm_node->pdata.size = conn_param->private_data_len;
-	accept.addr = iwqp->ietf_mem.va;
-	accept.size = i40iw_cm_build_mpa_frame(cm_node, &accept, MPA_KEY_REPLY);
-	memcpy(accept.addr + accept.size, conn_param->private_data,
-	       conn_param->private_data_len);
-
-	/* setup our first outgoing iWarp send WQE (the IETF frame response) */
-	if ((cm_node->ipv4 &&
-	     !i40iw_ipv4_is_loopback(cm_node->loc_addr[0], cm_node->rem_addr[0])) ||
-	    (!cm_node->ipv4 &&
-	     !i40iw_ipv6_is_loopback(cm_node->loc_addr, cm_node->rem_addr))) {
-		iwpd = iwqp->iwpd;
-		tagged_offset = (uintptr_t)iwqp->ietf_mem.va;
-		ibmr = i40iw_reg_phys_mr(&iwpd->ibpd,
-					 iwqp->ietf_mem.pa,
-					 buf_len,
-					 IB_ACCESS_LOCAL_WRITE,
-					 &tagged_offset);
-		if (IS_ERR(ibmr)) {
-			i40iw_free_dma_mem(dev->hw, &iwqp->ietf_mem);
-			return -ENOMEM;
-		}
-
-		ibmr->pd = &iwpd->ibpd;
-		ibmr->device = iwpd->ibpd.device;
-		iwqp->lsmm_mr = ibmr;
-		if (iwqp->page)
-			iwqp->sc_qp.qp_uk.sq_base = kmap(iwqp->page);
-		dev->iw_priv_qp_ops->qp_send_lsmm(&iwqp->sc_qp,
-							iwqp->ietf_mem.va,
-							(accept.size + conn_param->private_data_len),
-							ibmr->lkey);
-
-	} else {
-		if (iwqp->page)
-			iwqp->sc_qp.qp_uk.sq_base = kmap(iwqp->page);
-		dev->iw_priv_qp_ops->qp_send_lsmm(&iwqp->sc_qp, NULL, 0, 0);
-	}
-
-	if (iwqp->page)
-		kunmap(iwqp->page);
-
-	iwqp->cm_id = cm_id;
-	cm_node->cm_id = cm_id;
-
-	cm_id->provider_data = (void *)iwqp;
-	iwqp->active_conn = 0;
-
-	cm_node->lsmm_size = accept.size + conn_param->private_data_len;
-	i40iw_cm_init_tsa_conn(iwqp, cm_node);
-	cm_id->add_ref(cm_id);
-	i40iw_qp_add_ref(&iwqp->ibqp);
-
-	attr.qp_state = IB_QPS_RTS;
-	cm_node->qhash_set = false;
-	i40iw_modify_qp(&iwqp->ibqp, &attr, IB_QP_STATE, NULL);
-
-	cm_node->accelerated = true;
-	spin_lock_irqsave(&cm_core->ht_lock, flags);
-	list_move_tail(&cm_node->list, &cm_core->accelerated_list);
-	spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-
-	status =
-		i40iw_send_cm_event(cm_node, cm_id, IW_CM_EVENT_ESTABLISHED, 0);
-	if (status)
-		i40iw_debug(dev, I40IW_DEBUG_CM, "error sending cm event - ESTABLISHED\n");
-
-	if (cm_node->loopbackpartner) {
-		cm_node->loopbackpartner->pdata.size = conn_param->private_data_len;
-
-		/* copy entire MPA frame to our cm_node's frame */
-		memcpy(cm_node->loopbackpartner->pdata_buf,
-		       conn_param->private_data,
-		       conn_param->private_data_len);
-		i40iw_create_event(cm_node->loopbackpartner, I40IW_CM_EVENT_CONNECTED);
-	}
-
-	if (cm_node->accept_pend) {
-		atomic_dec(&cm_node->listener->pend_accepts_cnt);
-		cm_node->accept_pend = 0;
-	}
-	return 0;
-}
-
-/**
- * i40iw_reject - registered call for connection to be rejected
- * @cm_id: cm information for passive connection
- * @pdata: private data to be sent
- * @pdata_len: private data length
- */
-int i40iw_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
-{
-	struct i40iw_device *iwdev;
-	struct i40iw_cm_node *cm_node;
-	struct i40iw_cm_node *loopback;
-
-	cm_node = (struct i40iw_cm_node *)cm_id->provider_data;
-	loopback = cm_node->loopbackpartner;
-	cm_node->cm_id = cm_id;
-	cm_node->pdata.size = pdata_len;
-
-	iwdev = to_iwdev(cm_id->device);
-	if (!iwdev)
-		return -EINVAL;
-	cm_node->cm_core->stats_rejects++;
-
-	if (pdata_len + sizeof(struct ietf_mpa_v2) > MAX_CM_BUFFER)
-		return -EINVAL;
-
-	if (loopback) {
-		memcpy(&loopback->pdata_buf, pdata, pdata_len);
-		loopback->pdata.size = pdata_len;
-	}
-
-	return i40iw_cm_reject(cm_node, pdata, pdata_len);
-}
-
-/**
- * i40iw_connect - registered call for connection to be established
- * @cm_id: cm information for passive connection
- * @conn_param: Information about the connection
- */
-int i40iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
-{
-	struct ib_qp *ibqp;
-	struct i40iw_qp *iwqp;
-	struct i40iw_device *iwdev;
-	struct i40iw_cm_node *cm_node;
-	struct i40iw_cm_info cm_info;
-	struct sockaddr_in *laddr;
-	struct sockaddr_in *raddr;
-	struct sockaddr_in6 *laddr6;
-	struct sockaddr_in6 *raddr6;
-	int ret = 0;
-
-	ibqp = i40iw_get_qp(cm_id->device, conn_param->qpn);
-	if (!ibqp)
-		return -EINVAL;
-	iwqp = to_iwqp(ibqp);
-	if (!iwqp)
-		return -EINVAL;
-	iwdev = to_iwdev(iwqp->ibqp.device);
-	if (!iwdev)
-		return -EINVAL;
-
-	laddr = (struct sockaddr_in *)&cm_id->m_local_addr;
-	raddr = (struct sockaddr_in *)&cm_id->m_remote_addr;
-	laddr6 = (struct sockaddr_in6 *)&cm_id->m_local_addr;
-	raddr6 = (struct sockaddr_in6 *)&cm_id->m_remote_addr;
-
-	if (!(laddr->sin_port) || !(raddr->sin_port))
-		return -EINVAL;
-
-	iwqp->active_conn = 1;
-	iwqp->cm_id = NULL;
-	cm_id->provider_data = iwqp;
-
-	/* set up the connection params for the node */
-	if (cm_id->remote_addr.ss_family == AF_INET) {
-		cm_info.ipv4 = true;
-		memset(cm_info.loc_addr, 0, sizeof(cm_info.loc_addr));
-		memset(cm_info.rem_addr, 0, sizeof(cm_info.rem_addr));
-		cm_info.loc_addr[0] = ntohl(laddr->sin_addr.s_addr);
-		cm_info.rem_addr[0] = ntohl(raddr->sin_addr.s_addr);
-		cm_info.loc_port = ntohs(laddr->sin_port);
-		cm_info.rem_port = ntohs(raddr->sin_port);
-		cm_info.vlan_id = i40iw_get_vlan_ipv4(cm_info.loc_addr);
-	} else {
-		cm_info.ipv4 = false;
-		i40iw_copy_ip_ntohl(cm_info.loc_addr,
-				    laddr6->sin6_addr.in6_u.u6_addr32);
-		i40iw_copy_ip_ntohl(cm_info.rem_addr,
-				    raddr6->sin6_addr.in6_u.u6_addr32);
-		cm_info.loc_port = ntohs(laddr6->sin6_port);
-		cm_info.rem_port = ntohs(raddr6->sin6_port);
-		i40iw_netdev_vlan_ipv6(cm_info.loc_addr, &cm_info.vlan_id);
-	}
-	cm_info.cm_id = cm_id;
-	cm_info.tos = cm_id->tos;
-	cm_info.user_pri = rt_tos2priority(cm_id->tos);
-	i40iw_debug(&iwdev->sc_dev, I40IW_DEBUG_DCB, "%s TOS:[%d] UP:[%d]\n",
-		    __func__, cm_id->tos, cm_info.user_pri);
-	cm_id->add_ref(cm_id);
-	cm_node = i40iw_create_cm_node(&iwdev->cm_core, iwdev,
-				       conn_param, &cm_info);
-
-	if (IS_ERR(cm_node)) {
-		ret = PTR_ERR(cm_node);
-		cm_id->rem_ref(cm_id);
-		return ret;
-	}
-
-	if ((cm_info.ipv4 && (laddr->sin_addr.s_addr != raddr->sin_addr.s_addr)) ||
-	    (!cm_info.ipv4 && memcmp(laddr6->sin6_addr.in6_u.u6_addr32,
-				     raddr6->sin6_addr.in6_u.u6_addr32,
-				     sizeof(laddr6->sin6_addr.in6_u.u6_addr32)))) {
-		if (i40iw_manage_qhash(iwdev, &cm_info, I40IW_QHASH_TYPE_TCP_ESTABLISHED,
-				       I40IW_QHASH_MANAGE_TYPE_ADD, NULL, true)) {
-			ret = -EINVAL;
-			goto err;
-		}
-		cm_node->qhash_set = true;
-	}
-
-	if (i40iw_manage_apbvt(iwdev, cm_info.loc_port,
-			       I40IW_MANAGE_APBVT_ADD)) {
-		ret =  -EINVAL;
-		goto err;
-	}
-
-	cm_node->apbvt_set = true;
-	iwqp->cm_node = cm_node;
-	cm_node->iwqp = iwqp;
-	iwqp->cm_id = cm_id;
-	i40iw_qp_add_ref(&iwqp->ibqp);
-
-	if (cm_node->state != I40IW_CM_STATE_OFFLOADED) {
-		cm_node->state = I40IW_CM_STATE_SYN_SENT;
-		ret = i40iw_send_syn(cm_node, 0);
-		if (ret)
-			goto err;
-	}
-
-	if (cm_node->loopbackpartner) {
-		cm_node->loopbackpartner->state = I40IW_CM_STATE_MPAREQ_RCVD;
-		i40iw_create_event(cm_node->loopbackpartner,
-				   I40IW_CM_EVENT_MPA_REQ);
-	}
-
-	i40iw_debug(cm_node->dev,
-		    I40IW_DEBUG_CM,
-		    "Api - connect(): port=0x%04x, cm_node=%p, cm_id = %p.\n",
-		    cm_node->rem_port,
-		    cm_node,
-		    cm_node->cm_id);
-
-	return 0;
-
-err:
-	if (cm_info.ipv4)
-		i40iw_debug(&iwdev->sc_dev,
-			    I40IW_DEBUG_CM,
-			    "Api - connect() FAILED: dest addr=%pI4",
-			    cm_info.rem_addr);
-	else
-		i40iw_debug(&iwdev->sc_dev,
-			    I40IW_DEBUG_CM,
-			    "Api - connect() FAILED: dest addr=%pI6",
-			    cm_info.rem_addr);
-
-	i40iw_rem_ref_cm_node(cm_node);
-	cm_id->rem_ref(cm_id);
-	iwdev->cm_core.stats_connect_errs++;
-	return ret;
-}
-
-/**
- * i40iw_create_listen - registered call creating listener
- * @cm_id: cm information for passive connection
- * @backlog: to max accept pending count
- */
-int i40iw_create_listen(struct iw_cm_id *cm_id, int backlog)
-{
-	struct i40iw_device *iwdev;
-	struct i40iw_cm_listener *cm_listen_node;
-	struct i40iw_cm_info cm_info;
-	enum i40iw_status_code ret;
-	struct sockaddr_in *laddr;
-	struct sockaddr_in6 *laddr6;
-	bool wildcard = false;
-
-	iwdev = to_iwdev(cm_id->device);
-	if (!iwdev)
-		return -EINVAL;
-
-	laddr = (struct sockaddr_in *)&cm_id->m_local_addr;
-	laddr6 = (struct sockaddr_in6 *)&cm_id->m_local_addr;
-	memset(&cm_info, 0, sizeof(cm_info));
-	if (laddr->sin_family == AF_INET) {
-		cm_info.ipv4 = true;
-		cm_info.loc_addr[0] = ntohl(laddr->sin_addr.s_addr);
-		cm_info.loc_port = ntohs(laddr->sin_port);
-
-		if (laddr->sin_addr.s_addr != INADDR_ANY)
-			cm_info.vlan_id = i40iw_get_vlan_ipv4(cm_info.loc_addr);
-		else
-			wildcard = true;
-
-	} else {
-		cm_info.ipv4 = false;
-		i40iw_copy_ip_ntohl(cm_info.loc_addr,
-				    laddr6->sin6_addr.in6_u.u6_addr32);
-		cm_info.loc_port = ntohs(laddr6->sin6_port);
-		if (ipv6_addr_type(&laddr6->sin6_addr) != IPV6_ADDR_ANY)
-			i40iw_netdev_vlan_ipv6(cm_info.loc_addr,
-					       &cm_info.vlan_id);
-		else
-			wildcard = true;
-	}
-	cm_info.backlog = backlog;
-	cm_info.cm_id = cm_id;
-
-	cm_listen_node = i40iw_make_listen_node(&iwdev->cm_core, iwdev, &cm_info);
-	if (!cm_listen_node) {
-		i40iw_pr_err("cm_listen_node == NULL\n");
-		return -ENOMEM;
-	}
-
-	cm_id->provider_data = cm_listen_node;
-
-	cm_listen_node->tos = cm_id->tos;
-	cm_listen_node->user_pri = rt_tos2priority(cm_id->tos);
-	cm_info.user_pri = cm_listen_node->user_pri;
-
-	if (!cm_listen_node->reused_node) {
-		if (wildcard) {
-			if (cm_info.ipv4)
-				ret = i40iw_add_mqh_4(iwdev,
-						      &cm_info,
-						      cm_listen_node);
-			else
-				ret = i40iw_add_mqh_6(iwdev,
-						      &cm_info,
-						      cm_listen_node);
-			if (ret)
-				goto error;
-
-			ret = i40iw_manage_apbvt(iwdev,
-						 cm_info.loc_port,
-						 I40IW_MANAGE_APBVT_ADD);
-
-			if (ret)
-				goto error;
-		} else {
-			ret = i40iw_manage_qhash(iwdev,
-						 &cm_info,
-						 I40IW_QHASH_TYPE_TCP_SYN,
-						 I40IW_QHASH_MANAGE_TYPE_ADD,
-						 NULL,
-						 true);
-			if (ret)
-				goto error;
-			cm_listen_node->qhash_set = true;
-			ret = i40iw_manage_apbvt(iwdev,
-						 cm_info.loc_port,
-						 I40IW_MANAGE_APBVT_ADD);
-			if (ret)
-				goto error;
-		}
-	}
-	cm_id->add_ref(cm_id);
-	cm_listen_node->cm_core->stats_listen_created++;
-	return 0;
- error:
-	i40iw_cm_del_listen(&iwdev->cm_core, (void *)cm_listen_node, false);
-	return -EINVAL;
-}
-
-/**
- * i40iw_destroy_listen - registered call to destroy listener
- * @cm_id: cm information for passive connection
- */
-int i40iw_destroy_listen(struct iw_cm_id *cm_id)
-{
-	struct i40iw_device *iwdev;
-
-	iwdev = to_iwdev(cm_id->device);
-	if (cm_id->provider_data)
-		i40iw_cm_del_listen(&iwdev->cm_core, cm_id->provider_data, true);
-	else
-		i40iw_pr_err("cm_id->provider_data was NULL\n");
-
-	cm_id->rem_ref(cm_id);
-
-	return 0;
-}
-
-/**
- * i40iw_cm_event_connected - handle connected active node
- * @event: the info for cm_node of connection
- */
-static void i40iw_cm_event_connected(struct i40iw_cm_event *event)
-{
-	struct i40iw_qp *iwqp;
-	struct i40iw_device *iwdev;
-	struct i40iw_cm_core *cm_core;
-	struct i40iw_cm_node *cm_node;
-	struct i40iw_sc_dev *dev;
-	struct ib_qp_attr attr;
-	struct iw_cm_id *cm_id;
-	unsigned long flags;
-	int status;
-	bool read0;
-
-	cm_node = event->cm_node;
-	cm_id = cm_node->cm_id;
-	iwqp = (struct i40iw_qp *)cm_id->provider_data;
-	iwdev = to_iwdev(iwqp->ibqp.device);
-	dev = &iwdev->sc_dev;
-	cm_core = &iwdev->cm_core;
-
-	if (iwqp->destroyed) {
-		status = -ETIMEDOUT;
-		goto error;
-	}
-	i40iw_cm_init_tsa_conn(iwqp, cm_node);
-	read0 = (cm_node->send_rdma0_op == SEND_RDMA_READ_ZERO);
-	if (iwqp->page)
-		iwqp->sc_qp.qp_uk.sq_base = kmap(iwqp->page);
-	dev->iw_priv_qp_ops->qp_send_rtt(&iwqp->sc_qp, read0);
-	if (iwqp->page)
-		kunmap(iwqp->page);
-
-	memset(&attr, 0, sizeof(attr));
-	attr.qp_state = IB_QPS_RTS;
-	cm_node->qhash_set = false;
-	i40iw_modify_qp(&iwqp->ibqp, &attr, IB_QP_STATE, NULL);
-
-	cm_node->accelerated = true;
-	spin_lock_irqsave(&cm_core->ht_lock, flags);
-	list_move_tail(&cm_node->list, &cm_core->accelerated_list);
-	spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-	status = i40iw_send_cm_event(cm_node, cm_id, IW_CM_EVENT_CONNECT_REPLY,
-				     0);
-	if (status)
-		i40iw_debug(dev, I40IW_DEBUG_CM, "error sending cm event - CONNECT_REPLY\n");
-
-	return;
-
-error:
-	iwqp->cm_id = NULL;
-	cm_id->provider_data = NULL;
-	i40iw_send_cm_event(event->cm_node,
-			    cm_id,
-			    IW_CM_EVENT_CONNECT_REPLY,
-			    status);
-	cm_id->rem_ref(cm_id);
-	i40iw_rem_ref_cm_node(event->cm_node);
-}
-
-/**
- * i40iw_cm_event_reset - handle reset
- * @event: the info for cm_node of connection
- */
-static void i40iw_cm_event_reset(struct i40iw_cm_event *event)
-{
-	struct i40iw_cm_node *cm_node = event->cm_node;
-	struct iw_cm_id   *cm_id = cm_node->cm_id;
-	struct i40iw_qp *iwqp;
-
-	if (!cm_id)
-		return;
-
-	iwqp = cm_id->provider_data;
-	if (!iwqp)
-		return;
-
-	i40iw_debug(cm_node->dev,
-		    I40IW_DEBUG_CM,
-		    "reset event %p - cm_id = %p\n",
-		     event->cm_node, cm_id);
-	iwqp->cm_id = NULL;
-
-	i40iw_send_cm_event(cm_node, cm_node->cm_id, IW_CM_EVENT_DISCONNECT, -ECONNRESET);
-	i40iw_send_cm_event(cm_node, cm_node->cm_id, IW_CM_EVENT_CLOSE, 0);
-}
-
-/**
- * i40iw_cm_event_handler - worker thread callback to send event to cm upper layer
- * @work: pointer of cm event info.
- */
-static void i40iw_cm_event_handler(struct work_struct *work)
-{
-	struct i40iw_cm_event *event = container_of(work,
-						    struct i40iw_cm_event,
-						    event_work);
-	struct i40iw_cm_node *cm_node;
-
-	if (!event || !event->cm_node || !event->cm_node->cm_core)
-		return;
-
-	cm_node = event->cm_node;
-
-	switch (event->type) {
-	case I40IW_CM_EVENT_MPA_REQ:
-		i40iw_send_cm_event(cm_node,
-				    cm_node->cm_id,
-				    IW_CM_EVENT_CONNECT_REQUEST,
-				    0);
-		break;
-	case I40IW_CM_EVENT_RESET:
-		i40iw_cm_event_reset(event);
-		break;
-	case I40IW_CM_EVENT_CONNECTED:
-		if (!event->cm_node->cm_id ||
-		    (event->cm_node->state != I40IW_CM_STATE_OFFLOADED))
-			break;
-		i40iw_cm_event_connected(event);
-		break;
-	case I40IW_CM_EVENT_MPA_REJECT:
-		if (!event->cm_node->cm_id ||
-		    (cm_node->state == I40IW_CM_STATE_OFFLOADED))
-			break;
-		i40iw_send_cm_event(cm_node,
-				    cm_node->cm_id,
-				    IW_CM_EVENT_CONNECT_REPLY,
-				    -ECONNREFUSED);
-		break;
-	case I40IW_CM_EVENT_ABORTED:
-		if (!event->cm_node->cm_id ||
-		    (event->cm_node->state == I40IW_CM_STATE_OFFLOADED))
-			break;
-		i40iw_event_connect_error(event);
-		break;
-	default:
-		i40iw_pr_err("event type = %d\n", event->type);
-		break;
-	}
-
-	event->cm_info.cm_id->rem_ref(event->cm_info.cm_id);
-	i40iw_rem_ref_cm_node(event->cm_node);
-	kfree(event);
-}
-
-/**
- * i40iw_cm_post_event - queue event request for worker thread
- * @event: cm node's info for up event call
- */
-static void i40iw_cm_post_event(struct i40iw_cm_event *event)
-{
-	atomic_inc(&event->cm_node->ref_count);
-	event->cm_info.cm_id->add_ref(event->cm_info.cm_id);
-	INIT_WORK(&event->event_work, i40iw_cm_event_handler);
-
-	queue_work(event->cm_node->cm_core->event_wq, &event->event_work);
-}
-
-/**
- * i40iw_qhash_ctrl - enable/disable qhash for list
- * @iwdev: device pointer
- * @parent_listen_node: parent listen node
- * @nfo: cm info node
- * @ipaddr: Pointer to IPv4 or IPv6 address
- * @ipv4: flag indicating IPv4 when true
- * @ifup: flag indicating interface up when true
- *
- * Enables or disables the qhash for the node in the child
- * listen list that matches ipaddr. If no matching IP was found
- * it will allocate and add a new child listen node to the
- * parent listen node. The listen_list_lock is assumed to be
- * held when called.
- */
-static void i40iw_qhash_ctrl(struct i40iw_device *iwdev,
-			     struct i40iw_cm_listener *parent_listen_node,
-			     struct i40iw_cm_info *nfo,
-			     u32 *ipaddr, bool ipv4, bool ifup)
-{
-	struct list_head *child_listen_list = &parent_listen_node->child_listen_list;
-	struct i40iw_cm_listener *child_listen_node;
-	struct list_head *pos, *tpos;
-	enum i40iw_status_code ret;
-	bool node_allocated = false;
-	enum i40iw_quad_hash_manage_type op =
-		ifup ? I40IW_QHASH_MANAGE_TYPE_ADD : I40IW_QHASH_MANAGE_TYPE_DELETE;
-
-	list_for_each_safe(pos, tpos, child_listen_list) {
-		child_listen_node =
-			list_entry(pos,
-				   struct i40iw_cm_listener,
-				   child_listen_list);
-		if (!memcmp(child_listen_node->loc_addr, ipaddr, ipv4 ? 4 : 16))
-			goto set_qhash;
-	}
-
-	/* if not found then add a child listener if interface is going up */
-	if (!ifup)
-		return;
-	child_listen_node = kmemdup(parent_listen_node,
-			sizeof(*child_listen_node), GFP_ATOMIC);
-	if (!child_listen_node)
-		return;
-	node_allocated = true;
-
-	memcpy(child_listen_node->loc_addr, ipaddr,  ipv4 ? 4 : 16);
-
-set_qhash:
-	memcpy(nfo->loc_addr,
-	       child_listen_node->loc_addr,
-	       sizeof(nfo->loc_addr));
-	nfo->vlan_id = child_listen_node->vlan_id;
-	ret = i40iw_manage_qhash(iwdev, nfo,
-				 I40IW_QHASH_TYPE_TCP_SYN,
-				 op,
-				 NULL, false);
-	if (!ret) {
-		child_listen_node->qhash_set = ifup;
-		if (node_allocated)
-			list_add(&child_listen_node->child_listen_list,
-				 &parent_listen_node->child_listen_list);
-	} else if (node_allocated) {
-		kfree(child_listen_node);
-	}
-}
-
-/**
- * i40iw_cm_teardown_connections - teardown QPs
- * @iwdev: device pointer
- * @ipaddr: Pointer to IPv4 or IPv6 address
- * @nfo: cm info node
- * @disconnect_all: flag indicating disconnect all QPs
- * teardown QPs where source or destination addr matches ip addr
- */
-void i40iw_cm_teardown_connections(struct i40iw_device *iwdev, u32 *ipaddr,
-				   struct i40iw_cm_info *nfo,
-				   bool disconnect_all)
-{
-	struct i40iw_cm_core *cm_core = &iwdev->cm_core;
-	struct list_head *list_core_temp;
-	struct list_head *list_node;
-	struct i40iw_cm_node *cm_node;
-	unsigned long flags;
-	struct list_head teardown_list;
-	struct ib_qp_attr attr;
-
-	INIT_LIST_HEAD(&teardown_list);
-	spin_lock_irqsave(&cm_core->ht_lock, flags);
-	list_for_each_safe(list_node, list_core_temp,
-			   &cm_core->accelerated_list) {
-		cm_node = container_of(list_node, struct i40iw_cm_node, list);
-		if (disconnect_all ||
-		    (nfo->vlan_id == cm_node->vlan_id &&
-		    (!memcmp(cm_node->loc_addr, ipaddr, nfo->ipv4 ? 4 : 16) ||
-		     !memcmp(cm_node->rem_addr, ipaddr, nfo->ipv4 ? 4 : 16)))) {
-			atomic_inc(&cm_node->ref_count);
-			list_add(&cm_node->teardown_entry, &teardown_list);
-		}
-	}
-	list_for_each_safe(list_node, list_core_temp,
-			   &cm_core->non_accelerated_list) {
-		cm_node = container_of(list_node, struct i40iw_cm_node, list);
-		if (disconnect_all ||
-		    (nfo->vlan_id == cm_node->vlan_id &&
-		    (!memcmp(cm_node->loc_addr, ipaddr, nfo->ipv4 ? 4 : 16) ||
-		     !memcmp(cm_node->rem_addr, ipaddr, nfo->ipv4 ? 4 : 16)))) {
-			atomic_inc(&cm_node->ref_count);
-			list_add(&cm_node->teardown_entry, &teardown_list);
-		}
-	}
-	spin_unlock_irqrestore(&cm_core->ht_lock, flags);
-
-	list_for_each_safe(list_node, list_core_temp, &teardown_list) {
-		cm_node = container_of(list_node, struct i40iw_cm_node,
-				       teardown_entry);
-		attr.qp_state = IB_QPS_ERR;
-		i40iw_modify_qp(&cm_node->iwqp->ibqp, &attr, IB_QP_STATE, NULL);
-		if (iwdev->reset)
-			i40iw_cm_disconn(cm_node->iwqp);
-		i40iw_rem_ref_cm_node(cm_node);
-	}
-}
-
-/**
- * i40iw_if_notify - process an ifdown on an interface
- * @iwdev: device pointer
- * @netdev: network interface device structure
- * @ipaddr: Pointer to IPv4 or IPv6 address
- * @ipv4: flag indicating IPv4 when true
- * @ifup: flag indicating interface up when true
- */
-void i40iw_if_notify(struct i40iw_device *iwdev, struct net_device *netdev,
-		     u32 *ipaddr, bool ipv4, bool ifup)
-{
-	struct i40iw_cm_core *cm_core = &iwdev->cm_core;
-	unsigned long flags;
-	struct i40iw_cm_listener *listen_node;
-	static const u32 ip_zero[4] = { 0, 0, 0, 0 };
-	struct i40iw_cm_info nfo;
-	u16 vlan_id = rdma_vlan_dev_vlan_id(netdev);
-	enum i40iw_status_code ret;
-	enum i40iw_quad_hash_manage_type op =
-		ifup ? I40IW_QHASH_MANAGE_TYPE_ADD : I40IW_QHASH_MANAGE_TYPE_DELETE;
-
-	nfo.vlan_id = vlan_id;
-	nfo.ipv4 = ipv4;
-
-	/* Disable or enable qhash for listeners */
-	spin_lock_irqsave(&cm_core->listen_list_lock, flags);
-	list_for_each_entry(listen_node, &cm_core->listen_nodes, list) {
-		if (vlan_id == listen_node->vlan_id &&
-		    (!memcmp(listen_node->loc_addr, ipaddr, ipv4 ? 4 : 16) ||
-		    !memcmp(listen_node->loc_addr, ip_zero, ipv4 ? 4 : 16))) {
-			memcpy(nfo.loc_addr, listen_node->loc_addr,
-			       sizeof(nfo.loc_addr));
-			nfo.loc_port = listen_node->loc_port;
-			nfo.user_pri = listen_node->user_pri;
-			if (!list_empty(&listen_node->child_listen_list)) {
-				i40iw_qhash_ctrl(iwdev,
-						 listen_node,
-						 &nfo,
-						 ipaddr, ipv4, ifup);
-			} else if (memcmp(listen_node->loc_addr, ip_zero,
-					  ipv4 ? 4 : 16)) {
-				ret = i40iw_manage_qhash(iwdev,
-							 &nfo,
-							 I40IW_QHASH_TYPE_TCP_SYN,
-							 op,
-							 NULL,
-							 false);
-				if (!ret)
-					listen_node->qhash_set = ifup;
-			}
-		}
-	}
-	spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
-
-	/* teardown connected qp's on ifdown */
-	if (!ifup)
-		i40iw_cm_teardown_connections(iwdev, ipaddr, &nfo, false);
-}