[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / infiniband / ulp / ipoib / ipoib_verbs.c

/*
 * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
 * Copyright (c) 2005 Mellanox Technologies. 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
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "ipoib.h"

int ipoib_mcast_attach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
{
	struct ipoib_dev_priv *priv = netdev_priv(dev);
	struct ib_qp_attr *qp_attr;
	int ret;
	u16 pkey_index;

	ret = -ENOMEM;
	qp_attr = kmalloc(sizeof *qp_attr, GFP_KERNEL);
	if (!qp_attr)
		goto out;

	if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &pkey_index)) {
		clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
		ret = -ENXIO;
		goto out;
	}
	set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);

	/* set correct QKey for QP */
	qp_attr->qkey = priv->qkey;
	ret = ib_modify_qp(priv->qp, qp_attr, IB_QP_QKEY);
	if (ret) {
		ipoib_warn(priv, "failed to modify QP, ret = %d\n", ret);
		goto out;
	}

	/* attach QP to multicast group */
	mutex_lock(&priv->mcast_mutex);
	ret = ib_attach_mcast(priv->qp, mgid, mlid);
	mutex_unlock(&priv->mcast_mutex);
	if (ret)
		ipoib_warn(priv, "failed to attach to multicast group, ret = %d\n", ret);

out:
	kfree(qp_attr);
	return ret;
}

int ipoib_mcast_detach(struct net_device *dev, u16 mlid, union ib_gid *mgid)
{
	struct ipoib_dev_priv *priv = netdev_priv(dev);
	int ret;

	mutex_lock(&priv->mcast_mutex);
	ret = ib_detach_mcast(priv->qp, mgid, mlid);
	mutex_unlock(&priv->mcast_mutex);
	if (ret)
		ipoib_warn(priv, "ib_detach_mcast failed (result = %d)\n", ret);

	return ret;
}

int ipoib_init_qp(struct net_device *dev)
{
	struct ipoib_dev_priv *priv = netdev_priv(dev);
	int ret;
	struct ib_qp_attr qp_attr;
	int attr_mask;

	if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags))
		return -1;

	qp_attr.qp_state = IB_QPS_INIT;
	qp_attr.qkey = 0;
	qp_attr.port_num = priv->port;
	qp_attr.pkey_index = priv->pkey_index;
	attr_mask =
	    IB_QP_QKEY |
	    IB_QP_PORT |
	    IB_QP_PKEY_INDEX |
	    IB_QP_STATE;
	ret = ib_modify_qp(priv->qp, &qp_attr, attr_mask);
	if (ret) {
		ipoib_warn(priv, "failed to modify QP to init, ret = %d\n", ret);
		goto out_fail;
	}

	qp_attr.qp_state = IB_QPS_RTR;
	/* Can't set this in a INIT->RTR transition */
	attr_mask &= ~IB_QP_PORT;
	ret = ib_modify_qp(priv->qp, &qp_attr, attr_mask);
	if (ret) {
		ipoib_warn(priv, "failed to modify QP to RTR, ret = %d\n", ret);
		goto out_fail;
	}

	qp_attr.qp_state = IB_QPS_RTS;
	qp_attr.sq_psn = 0;
	attr_mask |= IB_QP_SQ_PSN;
	attr_mask &= ~IB_QP_PKEY_INDEX;
	ret = ib_modify_qp(priv->qp, &qp_attr, attr_mask);
	if (ret) {
		ipoib_warn(priv, "failed to modify QP to RTS, ret = %d\n", ret);
		goto out_fail;
	}

	return 0;

out_fail:
	qp_attr.qp_state = IB_QPS_RESET;
	if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE))
		ipoib_warn(priv, "Failed to modify QP to RESET state\n");

	return ret;
}

int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
{
	struct ipoib_dev_priv *priv = netdev_priv(dev);
	struct ib_qp_init_attr init_attr = {
		.cap = {
			.max_send_wr  = ipoib_sendq_size,
			.max_recv_wr  = ipoib_recvq_size,
			.max_send_sge = 1,
			.max_recv_sge = IPOIB_UD_RX_SG
		},
		.sq_sig_type = IB_SIGNAL_ALL_WR,
		.qp_type     = IB_QPT_UD
	};

	int ret, size;
	int i;

	priv->pd = ib_alloc_pd(priv->ca);
	if (IS_ERR(priv->pd)) {
		printk(KERN_WARNING "%s: failed to allocate PD\n", ca->name);
		return -ENODEV;
	}

	priv->mr = ib_get_dma_mr(priv->pd, IB_ACCESS_LOCAL_WRITE);
	if (IS_ERR(priv->mr)) {
		printk(KERN_WARNING "%s: ib_get_dma_mr failed\n", ca->name);
		goto out_free_pd;
	}

	size = ipoib_recvq_size + 1;
	ret = ipoib_cm_dev_init(dev);
	if (!ret) {
		size += ipoib_sendq_size;
		if (ipoib_cm_has_srq(dev))
			size += ipoib_recvq_size + 1; /* 1 extra for rx_drain_qp */
		else
			size += ipoib_recvq_size * ipoib_max_conn_qp;
	}

	priv->recv_cq = ib_create_cq(priv->ca, ipoib_ib_completion, NULL, dev, size, 0);
	if (IS_ERR(priv->recv_cq)) {
		printk(KERN_WARNING "%s: failed to create receive CQ\n", ca->name);
		goto out_free_mr;
	}

	priv->send_cq = ib_create_cq(priv->ca, ipoib_send_comp_handler, NULL,
				     dev, ipoib_sendq_size, 0);
	if (IS_ERR(priv->send_cq)) {
		printk(KERN_WARNING "%s: failed to create send CQ\n", ca->name);
		goto out_free_recv_cq;
	}

	if (ib_req_notify_cq(priv->recv_cq, IB_CQ_NEXT_COMP))
		goto out_free_send_cq;

	init_attr.send_cq = priv->send_cq;
	init_attr.recv_cq = priv->recv_cq;

	if (priv->hca_caps & IB_DEVICE_UD_TSO)
		init_attr.create_flags |= IB_QP_CREATE_IPOIB_UD_LSO;

	if (priv->hca_caps & IB_DEVICE_BLOCK_MULTICAST_LOOPBACK)
		init_attr.create_flags |= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK;

	if (dev->features & NETIF_F_SG)
		init_attr.cap.max_send_sge = MAX_SKB_FRAGS + 1;

	priv->qp = ib_create_qp(priv->pd, &init_attr);
	if (IS_ERR(priv->qp)) {
		printk(KERN_WARNING "%s: failed to create QP\n", ca->name);
		goto out_free_send_cq;
	}

	priv->dev->dev_addr[1] = (priv->qp->qp_num >> 16) & 0xff;
	priv->dev->dev_addr[2] = (priv->qp->qp_num >>  8) & 0xff;
	priv->dev->dev_addr[3] = (priv->qp->qp_num      ) & 0xff;

	for (i = 0; i < MAX_SKB_FRAGS + 1; ++i)
		priv->tx_sge[i].lkey = priv->mr->lkey;

	priv->tx_wr.opcode	= IB_WR_SEND;
	priv->tx_wr.sg_list	= priv->tx_sge;
	priv->tx_wr.send_flags	= IB_SEND_SIGNALED;

	priv->rx_sge[0].lkey = priv->mr->lkey;
	if (ipoib_ud_need_sg(priv->max_ib_mtu)) {
		priv->rx_sge[0].length = IPOIB_UD_HEAD_SIZE;
		priv->rx_sge[1].length = PAGE_SIZE;
		priv->rx_sge[1].lkey = priv->mr->lkey;
		priv->rx_wr.num_sge = IPOIB_UD_RX_SG;
	} else {
		priv->rx_sge[0].length = IPOIB_UD_BUF_SIZE(priv->max_ib_mtu);
		priv->rx_wr.num_sge = 1;
	}
	priv->rx_wr.next = NULL;
	priv->rx_wr.sg_list = priv->rx_sge;

	return 0;

out_free_send_cq:
	ib_destroy_cq(priv->send_cq);

out_free_recv_cq:
	ib_destroy_cq(priv->recv_cq);

out_free_mr:
	ib_dereg_mr(priv->mr);
	ipoib_cm_dev_cleanup(dev);

out_free_pd:
	ib_dealloc_pd(priv->pd);
	return -ENODEV;
}

void ipoib_transport_dev_cleanup(struct net_device *dev)
{
	struct ipoib_dev_priv *priv = netdev_priv(dev);

	if (priv->qp) {
		if (ib_destroy_qp(priv->qp))
			ipoib_warn(priv, "ib_qp_destroy failed\n");

		priv->qp = NULL;
		clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
	}

	if (ib_destroy_cq(priv->send_cq))
		ipoib_warn(priv, "ib_cq_destroy (send) failed\n");

	if (ib_destroy_cq(priv->recv_cq))
		ipoib_warn(priv, "ib_cq_destroy (recv) failed\n");

	ipoib_cm_dev_cleanup(dev);

	if (ib_dereg_mr(priv->mr))
		ipoib_warn(priv, "ib_dereg_mr failed\n");

	if (ib_dealloc_pd(priv->pd))
		ipoib_warn(priv, "ib_dealloc_pd failed\n");
}

void ipoib_event(struct ib_event_handler *handler,
		 struct ib_event *record)
{
	struct ipoib_dev_priv *priv =
		container_of(handler, struct ipoib_dev_priv, event_handler);

	if (record->element.port_num != priv->port)
		return;

	ipoib_dbg(priv, "Event %d on device %s port %d\n", record->event,
		  record->device->name, record->element.port_num);

	if (record->event == IB_EVENT_SM_CHANGE ||
	    record->event == IB_EVENT_CLIENT_REREGISTER) {
		queue_work(ipoib_workqueue, &priv->flush_light);
	} else if (record->event == IB_EVENT_PORT_ERR ||
		   record->event == IB_EVENT_PORT_ACTIVE ||
		   record->event == IB_EVENT_LID_CHANGE) {
		queue_work(ipoib_workqueue, &priv->flush_normal);
	} else if (record->event == IB_EVENT_PKEY_CHANGE) {
		queue_work(ipoib_workqueue, &priv->flush_heavy);
	}
}
Commit	Line	Data
1da177e4 LT	1	/*
1da177e4 LT	2	* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
2a1d9b7f	3	* Copyright (c) 2005 Mellanox Technologies. All rights reserved.
1da177e4 LT	4	*
	5	* This software is available to you under a choice of one of two
	6	* licenses. You may choose to be licensed under the terms of the GNU
	7	* General Public License (GPL) Version 2, available from the file
	8	* COPYING in the main directory of this source tree, or the
	9	* OpenIB.org BSD license below:
	10	*
	11	* Redistribution and use in source and binary forms, with or
	12	* without modification, are permitted provided that the following
	13	* conditions are met:
	14	*
	15	* - Redistributions of source code must retain the above
	16	* copyright notice, this list of conditions and the following
	17	* disclaimer.
	18	*
	19	* - Redistributions in binary form must reproduce the above
	20	* copyright notice, this list of conditions and the following
	21	* disclaimer in the documentation and/or other materials
	22	* provided with the distribution.
	23	*
	24	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	25	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	26	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	27	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	28	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	29	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	30	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	31	* SOFTWARE.
1da177e4 LT	32	*/
1da177e4 LT	33
1da177e4 LT	34	#include "ipoib.h"
	35
	36	int ipoib_mcast_attach(struct net_device dev, u16 mlid, union ib_gid mgid)
	37	{
	38	struct ipoib_dev_priv *priv = netdev_priv(dev);
	39	struct ib_qp_attr *qp_attr;
1da177e4 LT	40	int ret;
	41	u16 pkey_index;
	42
	43	ret = -ENOMEM;
	44	qp_attr = kmalloc(sizeof *qp_attr, GFP_KERNEL);
	45	if (!qp_attr)
	46	goto out;
	47
26bbf13c	48	if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &pkey_index)) {
1da177e4 LT	49	clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
	50	ret = -ENXIO;
	51	goto out;
	52	}
	53	set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
	54
	55	/* set correct QKey for QP */
	56	qp_attr->qkey = priv->qkey;
3bc12e75	57	ret = ib_modify_qp(priv->qp, qp_attr, IB_QP_QKEY);
1da177e4 LT	58	if (ret) {
	59	ipoib_warn(priv, "failed to modify QP, ret = %d\n", ret);
	60	goto out;
	61	}
	62
	63	/* attach QP to multicast group */
95ed644f	64	mutex_lock(&priv->mcast_mutex);
1da177e4	65	ret = ib_attach_mcast(priv->qp, mgid, mlid);
95ed644f	66	mutex_unlock(&priv->mcast_mutex);
1da177e4 LT	67	if (ret)
	68	ipoib_warn(priv, "failed to attach to multicast group, ret = %d\n", ret);
	69
	70	out:
	71	kfree(qp_attr);
	72	return ret;
	73	}
	74
	75	int ipoib_mcast_detach(struct net_device dev, u16 mlid, union ib_gid mgid)
	76	{
	77	struct ipoib_dev_priv *priv = netdev_priv(dev);
	78	int ret;
	79
95ed644f	80	mutex_lock(&priv->mcast_mutex);
1da177e4	81	ret = ib_detach_mcast(priv->qp, mgid, mlid);
95ed644f	82	mutex_unlock(&priv->mcast_mutex);
1da177e4 LT	83	if (ret)
	84	ipoib_warn(priv, "ib_detach_mcast failed (result = %d)\n", ret);
	85
	86	return ret;
	87	}
	88
5b6810e0	89	int ipoib_init_qp(struct net_device *dev)
1da177e4 LT	90	{
	91	struct ipoib_dev_priv *priv = netdev_priv(dev);
	92	int ret;
1da177e4 LT	93	struct ib_qp_attr qp_attr;
	94	int attr_mask;
	95
26bbf13c YE	96	if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags))
26bbf13c YE	97	return -1;
1da177e4 LT	98
	99	qp_attr.qp_state = IB_QPS_INIT;
	100	qp_attr.qkey = 0;
	101	qp_attr.port_num = priv->port;
26bbf13c	102	qp_attr.pkey_index = priv->pkey_index;
1da177e4 LT	103	attr_mask =
	104	IB_QP_QKEY \|
	105	IB_QP_PORT \|
	106	IB_QP_PKEY_INDEX \|
	107	IB_QP_STATE;
	108	ret = ib_modify_qp(priv->qp, &qp_attr, attr_mask);
	109	if (ret) {
	110	ipoib_warn(priv, "failed to modify QP to init, ret = %d\n", ret);
	111	goto out_fail;
	112	}
	113
	114	qp_attr.qp_state = IB_QPS_RTR;
	115	/* Can't set this in a INIT->RTR transition */
	116	attr_mask &= ~IB_QP_PORT;
	117	ret = ib_modify_qp(priv->qp, &qp_attr, attr_mask);
	118	if (ret) {
	119	ipoib_warn(priv, "failed to modify QP to RTR, ret = %d\n", ret);
	120	goto out_fail;
	121	}
	122
	123	qp_attr.qp_state = IB_QPS_RTS;
	124	qp_attr.sq_psn = 0;
	125	attr_mask \|= IB_QP_SQ_PSN;
	126	attr_mask &= ~IB_QP_PKEY_INDEX;
	127	ret = ib_modify_qp(priv->qp, &qp_attr, attr_mask);
	128	if (ret) {
	129	ipoib_warn(priv, "failed to modify QP to RTS, ret = %d\n", ret);
	130	goto out_fail;
	131	}
	132
	133	return 0;
	134
	135	out_fail:
5b6810e0 RD	136	qp_attr.qp_state = IB_QPS_RESET;
	137	if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE))
	138	ipoib_warn(priv, "Failed to modify QP to RESET state\n");
1da177e4	139
5b6810e0	140	return ret;
1da177e4 LT	141	}
	142
	143	int ipoib_transport_dev_init(struct net_device dev, struct ib_device ca)
	144	{
	145	struct ipoib_dev_priv *priv = netdev_priv(dev);
	146	struct ib_qp_init_attr init_attr = {
	147	.cap = {
0f485251 SM	148	.max_send_wr = ipoib_sendq_size,
0f485251 SM	149	.max_recv_wr = ipoib_recvq_size,
1da177e4	150	.max_send_sge = 1,
bc7b3a36	151	.max_recv_sge = IPOIB_UD_RX_SG
1da177e4 LT	152	},
	153	.sq_sig_type = IB_SIGNAL_ALL_WR,
	154	.qp_type = IB_QPT_UD
	155	};
	156
839fcaba	157	int ret, size;
7143740d	158	int i;
839fcaba	159
1da177e4 LT	160	priv->pd = ib_alloc_pd(priv->ca);
	161	if (IS_ERR(priv->pd)) {
	162	printk(KERN_WARNING "%s: failed to allocate PD\n", ca->name);
	163	return -ENODEV;
	164	}
	165
839fcaba MT	166	priv->mr = ib_get_dma_mr(priv->pd, IB_ACCESS_LOCAL_WRITE);
	167	if (IS_ERR(priv->mr)) {
	168	printk(KERN_WARNING "%s: ib_get_dma_mr failed\n", ca->name);
	169	goto out_free_pd;
	170	}
	171
f56bcd80	172	size = ipoib_recvq_size + 1;
839fcaba	173	ret = ipoib_cm_dev_init(dev);
68e995a2	174	if (!ret) {
f56bcd80	175	size += ipoib_sendq_size;
68e995a2 PS	176	if (ipoib_cm_has_srq(dev))
	177	size += ipoib_recvq_size + 1; /* 1 extra for rx_drain_qp */
	178	else
	179	size += ipoib_recvq_size * ipoib_max_conn_qp;
	180	}
839fcaba	181
f56bcd80 EC	182	priv->recv_cq = ib_create_cq(priv->ca, ipoib_ib_completion, NULL, dev, size, 0);
	183	if (IS_ERR(priv->recv_cq)) {
	184	printk(KERN_WARNING "%s: failed to create receive CQ\n", ca->name);
839fcaba	185	goto out_free_mr;
1da177e4 LT	186	}
1da177e4 LT	187
57ce41d1 EC	188	priv->send_cq = ib_create_cq(priv->ca, ipoib_send_comp_handler, NULL,
57ce41d1 EC	189	dev, ipoib_sendq_size, 0);
f56bcd80 EC	190	if (IS_ERR(priv->send_cq)) {
	191	printk(KERN_WARNING "%s: failed to create send CQ\n", ca->name);
	192	goto out_free_recv_cq;
	193	}
	194
	195	if (ib_req_notify_cq(priv->recv_cq, IB_CQ_NEXT_COMP))
	196	goto out_free_send_cq;
1da177e4	197
f56bcd80 EC	198	init_attr.send_cq = priv->send_cq;
f56bcd80 EC	199	init_attr.recv_cq = priv->recv_cq;
1da177e4	200
40ca1988	201	if (priv->hca_caps & IB_DEVICE_UD_TSO)
12406734 RL	202	init_attr.create_flags \|= IB_QP_CREATE_IPOIB_UD_LSO;
	203
	204	if (priv->hca_caps & IB_DEVICE_BLOCK_MULTICAST_LOOPBACK)
	205	init_attr.create_flags \|= IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK;
40ca1988	206
7143740d EC	207	if (dev->features & NETIF_F_SG)
	208	init_attr.cap.max_send_sge = MAX_SKB_FRAGS + 1;
	209
1da177e4 LT	210	priv->qp = ib_create_qp(priv->pd, &init_attr);
	211	if (IS_ERR(priv->qp)) {
	212	printk(KERN_WARNING "%s: failed to create QP\n", ca->name);
f56bcd80	213	goto out_free_send_cq;
1da177e4 LT	214	}
	215
	216	priv->dev->dev_addr[1] = (priv->qp->qp_num >> 16) & 0xff;
	217	priv->dev->dev_addr[2] = (priv->qp->qp_num >> 8) & 0xff;
	218	priv->dev->dev_addr[3] = (priv->qp->qp_num ) & 0xff;
	219
7143740d EC	220	for (i = 0; i < MAX_SKB_FRAGS + 1; ++i)
7143740d EC	221	priv->tx_sge[i].lkey = priv->mr->lkey;
1da177e4	222
2337f809	223	priv->tx_wr.opcode = IB_WR_SEND;
7143740d	224	priv->tx_wr.sg_list = priv->tx_sge;
2337f809	225	priv->tx_wr.send_flags = IB_SEND_SIGNALED;
1da177e4	226
bc7b3a36 SM	227	priv->rx_sge[0].lkey = priv->mr->lkey;
	228	if (ipoib_ud_need_sg(priv->max_ib_mtu)) {
	229	priv->rx_sge[0].length = IPOIB_UD_HEAD_SIZE;
	230	priv->rx_sge[1].length = PAGE_SIZE;
	231	priv->rx_sge[1].lkey = priv->mr->lkey;
	232	priv->rx_wr.num_sge = IPOIB_UD_RX_SG;
	233	} else {
	234	priv->rx_sge[0].length = IPOIB_UD_BUF_SIZE(priv->max_ib_mtu);
	235	priv->rx_wr.num_sge = 1;
	236	}
	237	priv->rx_wr.next = NULL;
	238	priv->rx_wr.sg_list = priv->rx_sge;
	239
1da177e4 LT	240	return 0;
1da177e4 LT	241
f56bcd80 EC	242	out_free_send_cq:
	243	ib_destroy_cq(priv->send_cq);
	244
	245	out_free_recv_cq:
	246	ib_destroy_cq(priv->recv_cq);
1da177e4	247
839fcaba MT	248	out_free_mr:
839fcaba MT	249	ib_dereg_mr(priv->mr);
6958e827	250	ipoib_cm_dev_cleanup(dev);
839fcaba	251
1da177e4 LT	252	out_free_pd:
	253	ib_dealloc_pd(priv->pd);
	254	return -ENODEV;
	255	}
	256
	257	void ipoib_transport_dev_cleanup(struct net_device *dev)
	258	{
	259	struct ipoib_dev_priv *priv = netdev_priv(dev);
	260
	261	if (priv->qp) {
	262	if (ib_destroy_qp(priv->qp))
	263	ipoib_warn(priv, "ib_qp_destroy failed\n");
	264
	265	priv->qp = NULL;
	266	clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
	267	}
	268
f56bcd80 EC	269	if (ib_destroy_cq(priv->send_cq))
	270	ipoib_warn(priv, "ib_cq_destroy (send) failed\n");
	271
	272	if (ib_destroy_cq(priv->recv_cq))
	273	ipoib_warn(priv, "ib_cq_destroy (recv) failed\n");
1da177e4	274
839fcaba MT	275	ipoib_cm_dev_cleanup(dev);
	276
	277	if (ib_dereg_mr(priv->mr))
	278	ipoib_warn(priv, "ib_dereg_mr failed\n");
	279
1da177e4 LT	280	if (ib_dealloc_pd(priv->pd))
	281	ipoib_warn(priv, "ib_dealloc_pd failed\n");
	282	}
	283
	284	void ipoib_event(struct ib_event_handler *handler,
	285	struct ib_event *record)
	286	{
	287	struct ipoib_dev_priv *priv =
	288	container_of(handler, struct ipoib_dev_priv, event_handler);
	289
26bbf13c YE	290	if (record->element.port_num != priv->port)
	291	return;
	292
ee1e2c82 MS	293	ipoib_dbg(priv, "Event %d on device %s port %d\n", record->event,
	294	record->device->name, record->element.port_num);
	295
	296	if (record->event == IB_EVENT_SM_CHANGE \|\|
26bbf13c	297	record->event == IB_EVENT_CLIENT_REREGISTER) {
ee1e2c82 MS	298	queue_work(ipoib_workqueue, &priv->flush_light);
	299	} else if (record->event == IB_EVENT_PORT_ERR \|\|
	300	record->event == IB_EVENT_PORT_ACTIVE \|\|
	301	record->event == IB_EVENT_LID_CHANGE) {
	302	queue_work(ipoib_workqueue, &priv->flush_normal);
26bbf13c	303	} else if (record->event == IB_EVENT_PKEY_CHANGE) {
ee1e2c82	304	queue_work(ipoib_workqueue, &priv->flush_heavy);
1da177e4 LT	305	}
1da177e4 LT	306	}