1 /* QLogic qedr NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 #include <net/addrconf.h>
36 #include <net/route.h>
37 #include <net/ip6_route.h>
40 #include "qedr_iw_cm.h"
43 qedr_fill_sockaddr4(const struct qed_iwarp_cm_info *cm_info,
44 struct iw_cm_event *event)
46 struct sockaddr_in *laddr = (struct sockaddr_in *)&event->local_addr;
47 struct sockaddr_in *raddr = (struct sockaddr_in *)&event->remote_addr;
49 laddr->sin_family = AF_INET;
50 raddr->sin_family = AF_INET;
52 laddr->sin_port = htons(cm_info->local_port);
53 raddr->sin_port = htons(cm_info->remote_port);
55 laddr->sin_addr.s_addr = htonl(cm_info->local_ip[0]);
56 raddr->sin_addr.s_addr = htonl(cm_info->remote_ip[0]);
60 qedr_fill_sockaddr6(const struct qed_iwarp_cm_info *cm_info,
61 struct iw_cm_event *event)
63 struct sockaddr_in6 *laddr6 = (struct sockaddr_in6 *)&event->local_addr;
64 struct sockaddr_in6 *raddr6 =
65 (struct sockaddr_in6 *)&event->remote_addr;
68 laddr6->sin6_family = AF_INET6;
69 raddr6->sin6_family = AF_INET6;
71 laddr6->sin6_port = htons(cm_info->local_port);
72 raddr6->sin6_port = htons(cm_info->remote_port);
74 for (i = 0; i < 4; i++) {
75 laddr6->sin6_addr.in6_u.u6_addr32[i] =
76 htonl(cm_info->local_ip[i]);
77 raddr6->sin6_addr.in6_u.u6_addr32[i] =
78 htonl(cm_info->remote_ip[i]);
83 qedr_iw_mpa_request(void *context, struct qed_iwarp_cm_event_params *params)
85 struct qedr_iw_listener *listener = (struct qedr_iw_listener *)context;
86 struct qedr_dev *dev = listener->dev;
87 struct iw_cm_event event;
88 struct qedr_iw_ep *ep;
90 ep = kzalloc(sizeof(*ep), GFP_ATOMIC);
95 ep->qed_context = params->ep_context;
97 memset(&event, 0, sizeof(event));
98 event.event = IW_CM_EVENT_CONNECT_REQUEST;
99 event.status = params->status;
101 if (!IS_ENABLED(CONFIG_IPV6) ||
102 params->cm_info->ip_version == QED_TCP_IPV4)
103 qedr_fill_sockaddr4(params->cm_info, &event);
105 qedr_fill_sockaddr6(params->cm_info, &event);
107 event.provider_data = (void *)ep;
108 event.private_data = (void *)params->cm_info->private_data;
109 event.private_data_len = (u8)params->cm_info->private_data_len;
110 event.ord = params->cm_info->ord;
111 event.ird = params->cm_info->ird;
113 listener->cm_id->event_handler(listener->cm_id, &event);
117 qedr_iw_issue_event(void *context,
118 struct qed_iwarp_cm_event_params *params,
119 enum iw_cm_event_type event_type)
121 struct qedr_iw_ep *ep = (struct qedr_iw_ep *)context;
122 struct iw_cm_event event;
124 memset(&event, 0, sizeof(event));
125 event.status = params->status;
126 event.event = event_type;
128 if (params->cm_info) {
129 event.ird = params->cm_info->ird;
130 event.ord = params->cm_info->ord;
131 /* Only connect_request and reply have valid private data
132 * the rest of the events this may be left overs from
133 * connection establishment. CONNECT_REQUEST is issued via
134 * qedr_iw_mpa_request
136 if (event_type == IW_CM_EVENT_CONNECT_REPLY) {
137 event.private_data_len =
138 params->cm_info->private_data_len;
140 (void *)params->cm_info->private_data;
145 ep->cm_id->event_handler(ep->cm_id, &event);
149 qedr_iw_close_event(void *context, struct qed_iwarp_cm_event_params *params)
151 struct qedr_iw_ep *ep = (struct qedr_iw_ep *)context;
154 qedr_iw_issue_event(context, params, IW_CM_EVENT_CLOSE);
156 ep->cm_id->rem_ref(ep->cm_id);
162 qedr_iw_qp_event(void *context,
163 struct qed_iwarp_cm_event_params *params,
164 enum ib_event_type ib_event, char *str)
166 struct qedr_iw_ep *ep = (struct qedr_iw_ep *)context;
167 struct qedr_dev *dev = ep->dev;
168 struct ib_qp *ibqp = &ep->qp->ibqp;
169 struct ib_event event;
171 DP_NOTICE(dev, "QP error received: %s\n", str);
173 if (ibqp->event_handler) {
174 event.event = ib_event;
175 event.device = ibqp->device;
176 event.element.qp = ibqp;
177 ibqp->event_handler(&event, ibqp->qp_context);
181 struct qedr_discon_work {
182 struct work_struct work;
183 struct qedr_iw_ep *ep;
184 enum qed_iwarp_event_type event;
188 static void qedr_iw_disconnect_worker(struct work_struct *work)
190 struct qedr_discon_work *dwork =
191 container_of(work, struct qedr_discon_work, work);
192 struct qed_rdma_modify_qp_in_params qp_params = { 0 };
193 struct qedr_iw_ep *ep = dwork->ep;
194 struct qedr_dev *dev = ep->dev;
195 struct qedr_qp *qp = ep->qp;
196 struct iw_cm_event event;
200 qedr_iw_qp_rem_ref(&qp->ibqp);
204 memset(&event, 0, sizeof(event));
205 event.status = dwork->status;
206 event.event = IW_CM_EVENT_DISCONNECT;
208 /* Success means graceful disconnect was requested. modifying
209 * to SQD is translated to graceful disconnect. O/w reset is sent
212 qp_params.new_state = QED_ROCE_QP_STATE_ERR;
214 qp_params.new_state = QED_ROCE_QP_STATE_SQD;
219 ep->cm_id->event_handler(ep->cm_id, &event);
221 SET_FIELD(qp_params.modify_flags,
222 QED_RDMA_MODIFY_QP_VALID_NEW_STATE, 1);
224 dev->ops->rdma_modify_qp(dev->rdma_ctx, qp->qed_qp, &qp_params);
226 qedr_iw_qp_rem_ref(&qp->ibqp);
230 qedr_iw_disconnect_event(void *context,
231 struct qed_iwarp_cm_event_params *params)
233 struct qedr_discon_work *work;
234 struct qedr_iw_ep *ep = (struct qedr_iw_ep *)context;
235 struct qedr_dev *dev = ep->dev;
236 struct qedr_qp *qp = ep->qp;
238 work = kzalloc(sizeof(*work), GFP_ATOMIC);
242 qedr_iw_qp_add_ref(&qp->ibqp);
244 work->event = params->event;
245 work->status = params->status;
247 INIT_WORK(&work->work, qedr_iw_disconnect_worker);
248 queue_work(dev->iwarp_wq, &work->work);
252 qedr_iw_passive_complete(void *context,
253 struct qed_iwarp_cm_event_params *params)
255 struct qedr_iw_ep *ep = (struct qedr_iw_ep *)context;
256 struct qedr_dev *dev = ep->dev;
258 /* We will only reach the following state if MPA_REJECT was called on
259 * passive. In this case there will be no associated QP.
261 if ((params->status == -ECONNREFUSED) && (!ep->qp)) {
262 DP_DEBUG(dev, QEDR_MSG_IWARP,
263 "PASSIVE connection refused releasing ep...\n");
268 qedr_iw_issue_event(context, params, IW_CM_EVENT_ESTABLISHED);
270 if (params->status < 0)
271 qedr_iw_close_event(context, params);
275 qedr_iw_mpa_reply(void *context, struct qed_iwarp_cm_event_params *params)
277 struct qedr_iw_ep *ep = (struct qedr_iw_ep *)context;
278 struct qedr_dev *dev = ep->dev;
279 struct qed_iwarp_send_rtr_in rtr_in;
281 rtr_in.ep_context = params->ep_context;
283 return dev->ops->iwarp_send_rtr(dev->rdma_ctx, &rtr_in);
287 qedr_iw_event_handler(void *context, struct qed_iwarp_cm_event_params *params)
289 struct qedr_iw_ep *ep = (struct qedr_iw_ep *)context;
290 struct qedr_dev *dev = ep->dev;
292 switch (params->event) {
293 case QED_IWARP_EVENT_MPA_REQUEST:
294 qedr_iw_mpa_request(context, params);
296 case QED_IWARP_EVENT_ACTIVE_MPA_REPLY:
297 qedr_iw_mpa_reply(context, params);
299 case QED_IWARP_EVENT_PASSIVE_COMPLETE:
300 ep->during_connect = 0;
301 qedr_iw_passive_complete(context, params);
304 case QED_IWARP_EVENT_ACTIVE_COMPLETE:
305 ep->during_connect = 0;
306 qedr_iw_issue_event(context,
308 IW_CM_EVENT_CONNECT_REPLY);
309 if (params->status < 0) {
310 struct qedr_iw_ep *ep = (struct qedr_iw_ep *)context;
312 ep->cm_id->rem_ref(ep->cm_id);
316 case QED_IWARP_EVENT_DISCONNECT:
317 qedr_iw_disconnect_event(context, params);
319 case QED_IWARP_EVENT_CLOSE:
320 ep->during_connect = 0;
321 qedr_iw_close_event(context, params);
323 case QED_IWARP_EVENT_RQ_EMPTY:
324 qedr_iw_qp_event(context, params, IB_EVENT_QP_FATAL,
325 "QED_IWARP_EVENT_RQ_EMPTY");
327 case QED_IWARP_EVENT_IRQ_FULL:
328 qedr_iw_qp_event(context, params, IB_EVENT_QP_FATAL,
329 "QED_IWARP_EVENT_IRQ_FULL");
331 case QED_IWARP_EVENT_LLP_TIMEOUT:
332 qedr_iw_qp_event(context, params, IB_EVENT_QP_FATAL,
333 "QED_IWARP_EVENT_LLP_TIMEOUT");
335 case QED_IWARP_EVENT_REMOTE_PROTECTION_ERROR:
336 qedr_iw_qp_event(context, params, IB_EVENT_QP_ACCESS_ERR,
337 "QED_IWARP_EVENT_REMOTE_PROTECTION_ERROR");
339 case QED_IWARP_EVENT_CQ_OVERFLOW:
340 qedr_iw_qp_event(context, params, IB_EVENT_QP_FATAL,
341 "QED_IWARP_EVENT_CQ_OVERFLOW");
343 case QED_IWARP_EVENT_QP_CATASTROPHIC:
344 qedr_iw_qp_event(context, params, IB_EVENT_QP_FATAL,
345 "QED_IWARP_EVENT_QP_CATASTROPHIC");
347 case QED_IWARP_EVENT_LOCAL_ACCESS_ERROR:
348 qedr_iw_qp_event(context, params, IB_EVENT_QP_ACCESS_ERR,
349 "QED_IWARP_EVENT_LOCAL_ACCESS_ERROR");
351 case QED_IWARP_EVENT_REMOTE_OPERATION_ERROR:
352 qedr_iw_qp_event(context, params, IB_EVENT_QP_FATAL,
353 "QED_IWARP_EVENT_REMOTE_OPERATION_ERROR");
355 case QED_IWARP_EVENT_TERMINATE_RECEIVED:
356 DP_NOTICE(dev, "Got terminate message\n");
359 DP_NOTICE(dev, "Unknown event received %d\n", params->event);
365 static u16 qedr_iw_get_vlan_ipv4(struct qedr_dev *dev, u32 *addr)
367 struct net_device *ndev;
370 ndev = ip_dev_find(&init_net, htonl(addr[0]));
373 vlan_id = rdma_vlan_dev_vlan_id(ndev);
376 if (vlan_id == 0xffff)
381 static u16 qedr_iw_get_vlan_ipv6(u32 *addr)
383 struct net_device *ndev = NULL;
384 struct in6_addr laddr6;
388 if (!IS_ENABLED(CONFIG_IPV6))
391 for (i = 0; i < 4; i++)
392 laddr6.in6_u.u6_addr32[i] = htonl(addr[i]);
395 for_each_netdev_rcu(&init_net, ndev) {
396 if (ipv6_chk_addr(&init_net, &laddr6, ndev, 1)) {
397 vlan_id = rdma_vlan_dev_vlan_id(ndev);
403 if (vlan_id == 0xffff)
410 qedr_addr4_resolve(struct qedr_dev *dev,
411 struct sockaddr_in *src_in,
412 struct sockaddr_in *dst_in, u8 *dst_mac)
414 __be32 src_ip = src_in->sin_addr.s_addr;
415 __be32 dst_ip = dst_in->sin_addr.s_addr;
416 struct neighbour *neigh = NULL;
417 struct rtable *rt = NULL;
420 rt = ip_route_output(&init_net, dst_ip, src_ip, 0, 0);
422 DP_ERR(dev, "ip_route_output returned error\n");
426 neigh = dst_neigh_lookup(&rt->dst, &dst_ip);
430 if (neigh->nud_state & NUD_VALID) {
431 ether_addr_copy(dst_mac, neigh->ha);
432 DP_DEBUG(dev, QEDR_MSG_QP, "mac_addr=[%pM]\n", dst_mac);
434 neigh_event_send(neigh, NULL);
437 neigh_release(neigh);
446 qedr_addr6_resolve(struct qedr_dev *dev,
447 struct sockaddr_in6 *src_in,
448 struct sockaddr_in6 *dst_in, u8 *dst_mac)
450 struct neighbour *neigh = NULL;
451 struct dst_entry *dst;
455 memset(&fl6, 0, sizeof(fl6));
456 fl6.daddr = dst_in->sin6_addr;
457 fl6.saddr = src_in->sin6_addr;
459 dst = ip6_route_output(&init_net, NULL, &fl6);
461 if ((!dst) || dst->error) {
464 "ip6_route_output returned dst->error = %d\n",
470 neigh = dst_neigh_lookup(dst, &fl6.daddr);
473 if (neigh->nud_state & NUD_VALID) {
474 ether_addr_copy(dst_mac, neigh->ha);
475 DP_DEBUG(dev, QEDR_MSG_QP, "mac_addr=[%pM]\n", dst_mac);
477 neigh_event_send(neigh, NULL);
480 neigh_release(neigh);
488 int qedr_iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
490 struct qedr_dev *dev = get_qedr_dev(cm_id->device);
491 struct qed_iwarp_connect_out out_params;
492 struct qed_iwarp_connect_in in_params;
493 struct qed_iwarp_cm_info *cm_info;
494 struct sockaddr_in6 *laddr6;
495 struct sockaddr_in6 *raddr6;
496 struct sockaddr_in *laddr;
497 struct sockaddr_in *raddr;
498 struct qedr_iw_ep *ep;
503 qp = idr_find(&dev->qpidr.idr, conn_param->qpn);
507 laddr = (struct sockaddr_in *)&cm_id->m_local_addr;
508 raddr = (struct sockaddr_in *)&cm_id->m_remote_addr;
509 laddr6 = (struct sockaddr_in6 *)&cm_id->m_local_addr;
510 raddr6 = (struct sockaddr_in6 *)&cm_id->m_remote_addr;
512 DP_DEBUG(dev, QEDR_MSG_IWARP, "MAPPED %d %d\n",
513 ntohs(((struct sockaddr_in *)&cm_id->remote_addr)->sin_port),
514 ntohs(raddr->sin_port));
516 DP_DEBUG(dev, QEDR_MSG_IWARP,
517 "Connect source address: %pISpc, remote address: %pISpc\n",
518 &cm_id->local_addr, &cm_id->remote_addr);
520 if (!laddr->sin_port || !raddr->sin_port)
523 ep = kzalloc(sizeof(*ep), GFP_KERNEL);
530 cm_id->add_ref(cm_id);
533 in_params.event_cb = qedr_iw_event_handler;
534 in_params.cb_context = ep;
536 cm_info = &in_params.cm_info;
537 memset(cm_info->local_ip, 0, sizeof(cm_info->local_ip));
538 memset(cm_info->remote_ip, 0, sizeof(cm_info->remote_ip));
540 if (!IS_ENABLED(CONFIG_IPV6) ||
541 cm_id->remote_addr.ss_family == AF_INET) {
542 cm_info->ip_version = QED_TCP_IPV4;
544 cm_info->remote_ip[0] = ntohl(raddr->sin_addr.s_addr);
545 cm_info->local_ip[0] = ntohl(laddr->sin_addr.s_addr);
546 cm_info->remote_port = ntohs(raddr->sin_port);
547 cm_info->local_port = ntohs(laddr->sin_port);
548 cm_info->vlan = qedr_iw_get_vlan_ipv4(dev, cm_info->local_ip);
550 rc = qedr_addr4_resolve(dev, laddr, raddr,
551 (u8 *)in_params.remote_mac_addr);
553 in_params.mss = dev->iwarp_max_mtu -
554 (sizeof(struct iphdr) + sizeof(struct tcphdr));
557 in_params.cm_info.ip_version = QED_TCP_IPV6;
559 for (i = 0; i < 4; i++) {
560 cm_info->remote_ip[i] =
561 ntohl(raddr6->sin6_addr.in6_u.u6_addr32[i]);
562 cm_info->local_ip[i] =
563 ntohl(laddr6->sin6_addr.in6_u.u6_addr32[i]);
566 cm_info->local_port = ntohs(laddr6->sin6_port);
567 cm_info->remote_port = ntohs(raddr6->sin6_port);
569 in_params.mss = dev->iwarp_max_mtu -
570 (sizeof(struct ipv6hdr) + sizeof(struct tcphdr));
572 cm_info->vlan = qedr_iw_get_vlan_ipv6(cm_info->local_ip);
574 rc = qedr_addr6_resolve(dev, laddr6, raddr6,
575 (u8 *)in_params.remote_mac_addr);
580 DP_DEBUG(dev, QEDR_MSG_IWARP,
581 "ord = %d ird=%d private_data=%p private_data_len=%d rq_psn=%d\n",
582 conn_param->ord, conn_param->ird, conn_param->private_data,
583 conn_param->private_data_len, qp->rq_psn);
585 cm_info->ord = conn_param->ord;
586 cm_info->ird = conn_param->ird;
587 cm_info->private_data = conn_param->private_data;
588 cm_info->private_data_len = conn_param->private_data_len;
589 in_params.qp = qp->qed_qp;
590 memcpy(in_params.local_mac_addr, dev->ndev->dev_addr, ETH_ALEN);
592 ep->during_connect = 1;
593 rc = dev->ops->iwarp_connect(dev->rdma_ctx, &in_params, &out_params);
600 cm_id->rem_ref(cm_id);
605 int qedr_iw_create_listen(struct iw_cm_id *cm_id, int backlog)
607 struct qedr_dev *dev = get_qedr_dev(cm_id->device);
608 struct qedr_iw_listener *listener;
609 struct qed_iwarp_listen_in iparams;
610 struct qed_iwarp_listen_out oparams;
611 struct sockaddr_in *laddr;
612 struct sockaddr_in6 *laddr6;
616 laddr = (struct sockaddr_in *)&cm_id->m_local_addr;
617 laddr6 = (struct sockaddr_in6 *)&cm_id->m_local_addr;
619 DP_DEBUG(dev, QEDR_MSG_IWARP,
620 "Create Listener address: %pISpc\n", &cm_id->local_addr);
622 listener = kzalloc(sizeof(*listener), GFP_KERNEL);
627 cm_id->add_ref(cm_id);
628 listener->cm_id = cm_id;
629 listener->backlog = backlog;
631 iparams.cb_context = listener;
632 iparams.event_cb = qedr_iw_event_handler;
633 iparams.max_backlog = backlog;
635 if (!IS_ENABLED(CONFIG_IPV6) ||
636 cm_id->local_addr.ss_family == AF_INET) {
637 iparams.ip_version = QED_TCP_IPV4;
638 memset(iparams.ip_addr, 0, sizeof(iparams.ip_addr));
640 iparams.ip_addr[0] = ntohl(laddr->sin_addr.s_addr);
641 iparams.port = ntohs(laddr->sin_port);
642 iparams.vlan = qedr_iw_get_vlan_ipv4(dev, iparams.ip_addr);
644 iparams.ip_version = QED_TCP_IPV6;
646 for (i = 0; i < 4; i++) {
648 ntohl(laddr6->sin6_addr.in6_u.u6_addr32[i]);
651 iparams.port = ntohs(laddr6->sin6_port);
653 iparams.vlan = qedr_iw_get_vlan_ipv6(iparams.ip_addr);
655 rc = dev->ops->iwarp_create_listen(dev->rdma_ctx, &iparams, &oparams);
659 listener->qed_handle = oparams.handle;
660 cm_id->provider_data = listener;
664 cm_id->rem_ref(cm_id);
669 int qedr_iw_destroy_listen(struct iw_cm_id *cm_id)
671 struct qedr_iw_listener *listener = cm_id->provider_data;
672 struct qedr_dev *dev = get_qedr_dev(cm_id->device);
675 if (listener->qed_handle)
676 rc = dev->ops->iwarp_destroy_listen(dev->rdma_ctx,
677 listener->qed_handle);
679 cm_id->rem_ref(cm_id);
684 int qedr_iw_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
686 struct qedr_iw_ep *ep = (struct qedr_iw_ep *)cm_id->provider_data;
687 struct qedr_dev *dev = ep->dev;
689 struct qed_iwarp_accept_in params;
692 DP_DEBUG(dev, QEDR_MSG_IWARP, "Accept on qpid=%d\n", conn_param->qpn);
694 qp = idr_find(&dev->qpidr.idr, conn_param->qpn);
696 DP_ERR(dev, "Invalid QP number %d\n", conn_param->qpn);
702 cm_id->add_ref(cm_id);
705 params.ep_context = ep->qed_context;
706 params.cb_context = ep;
707 params.qp = ep->qp->qed_qp;
708 params.private_data = conn_param->private_data;
709 params.private_data_len = conn_param->private_data_len;
710 params.ird = conn_param->ird;
711 params.ord = conn_param->ord;
713 ep->during_connect = 1;
714 rc = dev->ops->iwarp_accept(dev->rdma_ctx, ¶ms);
720 ep->during_connect = 0;
721 cm_id->rem_ref(cm_id);
725 int qedr_iw_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
727 struct qedr_iw_ep *ep = (struct qedr_iw_ep *)cm_id->provider_data;
728 struct qedr_dev *dev = ep->dev;
729 struct qed_iwarp_reject_in params;
731 params.ep_context = ep->qed_context;
732 params.cb_context = ep;
733 params.private_data = pdata;
734 params.private_data_len = pdata_len;
737 return dev->ops->iwarp_reject(dev->rdma_ctx, ¶ms);
740 void qedr_iw_qp_add_ref(struct ib_qp *ibqp)
742 struct qedr_qp *qp = get_qedr_qp(ibqp);
744 atomic_inc(&qp->refcnt);
747 void qedr_iw_qp_rem_ref(struct ib_qp *ibqp)
749 struct qedr_qp *qp = get_qedr_qp(ibqp);
751 if (atomic_dec_and_test(&qp->refcnt)) {
752 spin_lock_irq(&qp->dev->qpidr.idr_lock);
753 idr_remove(&qp->dev->qpidr.idr, qp->qp_id);
754 spin_unlock_irq(&qp->dev->qpidr.idr_lock);
759 struct ib_qp *qedr_iw_get_qp(struct ib_device *ibdev, int qpn)
761 struct qedr_dev *dev = get_qedr_dev(ibdev);
763 return idr_find(&dev->qpidr.idr, qpn);