2 * Copyright (c) 2005 Ammasso, Inc. All rights reserved.
3 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
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:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
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.
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
35 #include <linux/module.h>
36 #include <linux/moduleparam.h>
37 #include <linux/pci.h>
38 #include <linux/netdevice.h>
39 #include <linux/etherdevice.h>
40 #include <linux/inetdevice.h>
41 #include <linux/delay.h>
42 #include <linux/ethtool.h>
43 #include <linux/mii.h>
44 #include <linux/if_vlan.h>
45 #include <linux/crc32.h>
48 #include <linux/tcp.h>
49 #include <linux/init.h>
50 #include <linux/dma-mapping.h>
51 #include <linux/if_arp.h>
52 #include <linux/vmalloc.h>
56 #include <asm/byteorder.h>
58 #include <rdma/ib_smi.h>
59 #include <rdma/ib_user_verbs.h>
61 #include "c2_provider.h"
64 static int c2_query_device(struct ib_device *ibdev,
65 struct ib_device_attr *props)
67 struct c2_dev *c2dev = to_c2dev(ibdev);
69 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
71 *props = c2dev->props;
75 static int c2_query_port(struct ib_device *ibdev,
76 u8 port, struct ib_port_attr *props)
78 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
80 props->max_mtu = IB_MTU_4096;
85 props->state = IB_PORT_ACTIVE;
86 props->phys_state = 0;
87 props->port_cap_flags =
90 IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP;
91 props->gid_tbl_len = 1;
92 props->pkey_tbl_len = 1;
93 props->qkey_viol_cntr = 0;
94 props->active_width = 1;
95 props->active_speed = 1;
100 static int c2_modify_port(struct ib_device *ibdev,
101 u8 port, int port_modify_mask,
102 struct ib_port_modify *props)
104 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
108 static int c2_query_pkey(struct ib_device *ibdev,
109 u8 port, u16 index, u16 * pkey)
111 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
116 static int c2_query_gid(struct ib_device *ibdev, u8 port,
117 int index, union ib_gid *gid)
119 struct c2_dev *c2dev = to_c2dev(ibdev);
121 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
122 memset(&(gid->raw[0]), 0, sizeof(gid->raw));
123 memcpy(&(gid->raw[0]), c2dev->pseudo_netdev->dev_addr, 6);
128 /* Allocate the user context data structure. This keeps track
129 * of all objects associated with a particular user-mode client.
131 static struct ib_ucontext *c2_alloc_ucontext(struct ib_device *ibdev,
132 struct ib_udata *udata)
134 struct c2_ucontext *context;
136 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
137 context = kmalloc(sizeof(*context), GFP_KERNEL);
139 return ERR_PTR(-ENOMEM);
141 return &context->ibucontext;
144 static int c2_dealloc_ucontext(struct ib_ucontext *context)
146 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
151 static int c2_mmap_uar(struct ib_ucontext *context, struct vm_area_struct *vma)
153 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
157 static struct ib_pd *c2_alloc_pd(struct ib_device *ibdev,
158 struct ib_ucontext *context,
159 struct ib_udata *udata)
164 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
166 pd = kmalloc(sizeof(*pd), GFP_KERNEL);
168 return ERR_PTR(-ENOMEM);
170 err = c2_pd_alloc(to_c2dev(ibdev), !context, pd);
177 if (ib_copy_to_udata(udata, &pd->pd_id, sizeof(__u32))) {
178 c2_pd_free(to_c2dev(ibdev), pd);
180 return ERR_PTR(-EFAULT);
187 static int c2_dealloc_pd(struct ib_pd *pd)
189 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
190 c2_pd_free(to_c2dev(pd->device), to_c2pd(pd));
196 static struct ib_ah *c2_ah_create(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
198 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
199 return ERR_PTR(-ENOSYS);
202 static int c2_ah_destroy(struct ib_ah *ah)
204 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
208 static void c2_add_ref(struct ib_qp *ibqp)
213 atomic_inc(&qp->refcount);
216 static void c2_rem_ref(struct ib_qp *ibqp)
221 if (atomic_dec_and_test(&qp->refcount))
225 struct ib_qp *c2_get_qp(struct ib_device *device, int qpn)
227 struct c2_dev* c2dev = to_c2dev(device);
230 qp = c2_find_qpn(c2dev, qpn);
231 pr_debug("%s Returning QP=%p for QPN=%d, device=%p, refcount=%d\n",
232 __FUNCTION__, qp, qpn, device,
233 (qp?atomic_read(&qp->refcount):0));
235 return (qp?&qp->ibqp:NULL);
238 static struct ib_qp *c2_create_qp(struct ib_pd *pd,
239 struct ib_qp_init_attr *init_attr,
240 struct ib_udata *udata)
245 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
247 switch (init_attr->qp_type) {
249 qp = kzalloc(sizeof(*qp), GFP_KERNEL);
251 pr_debug("%s: Unable to allocate QP\n", __FUNCTION__);
252 return ERR_PTR(-ENOMEM);
254 spin_lock_init(&qp->lock);
256 /* userspace specific */
259 err = c2_alloc_qp(to_c2dev(pd->device),
260 to_c2pd(pd), init_attr, qp);
262 if (err && pd->uobject) {
263 /* userspace specific */
268 pr_debug("%s: Invalid QP type: %d\n", __FUNCTION__,
270 return ERR_PTR(-EINVAL);
282 static int c2_destroy_qp(struct ib_qp *ib_qp)
284 struct c2_qp *qp = to_c2qp(ib_qp);
286 pr_debug("%s:%u qp=%p,qp->state=%d\n",
287 __FUNCTION__, __LINE__,ib_qp,qp->state);
288 c2_free_qp(to_c2dev(ib_qp->device), qp);
293 static struct ib_cq *c2_create_cq(struct ib_device *ibdev, int entries,
294 struct ib_ucontext *context,
295 struct ib_udata *udata)
300 cq = kmalloc(sizeof(*cq), GFP_KERNEL);
302 pr_debug("%s: Unable to allocate CQ\n", __FUNCTION__);
303 return ERR_PTR(-ENOMEM);
306 err = c2_init_cq(to_c2dev(ibdev), entries, NULL, cq);
308 pr_debug("%s: error initializing CQ\n", __FUNCTION__);
316 static int c2_destroy_cq(struct ib_cq *ib_cq)
318 struct c2_cq *cq = to_c2cq(ib_cq);
320 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
322 c2_free_cq(to_c2dev(ib_cq->device), cq);
328 static inline u32 c2_convert_access(int acc)
330 return (acc & IB_ACCESS_REMOTE_WRITE ? C2_ACF_REMOTE_WRITE : 0) |
331 (acc & IB_ACCESS_REMOTE_READ ? C2_ACF_REMOTE_READ : 0) |
332 (acc & IB_ACCESS_LOCAL_WRITE ? C2_ACF_LOCAL_WRITE : 0) |
333 C2_ACF_LOCAL_READ | C2_ACF_WINDOW_BIND;
336 static struct ib_mr *c2_reg_phys_mr(struct ib_pd *ib_pd,
337 struct ib_phys_buf *buffer_list,
338 int num_phys_buf, int acc, u64 * iova_start)
343 int err, i, j, k, page_shift, pbl_depth;
348 page_shift = PAGE_SHIFT;
350 * If there is only 1 buffer we assume this could
351 * be a map of all phy mem...use a 32k page_shift.
353 if (num_phys_buf == 1)
356 for (i = 0; i < num_phys_buf; i++) {
358 if (buffer_list[i].addr & ~PAGE_MASK) {
359 pr_debug("Unaligned Memory Buffer: 0x%x\n",
360 (unsigned int) buffer_list[i].addr);
361 return ERR_PTR(-EINVAL);
364 if (!buffer_list[i].size) {
365 pr_debug("Invalid Buffer Size\n");
366 return ERR_PTR(-EINVAL);
369 total_len += buffer_list[i].size;
370 pbl_depth += ALIGN(buffer_list[i].size,
371 (1 << page_shift)) >> page_shift;
374 page_list = vmalloc(sizeof(u64) * pbl_depth);
376 pr_debug("couldn't vmalloc page_list of size %zd\n",
377 (sizeof(u64) * pbl_depth));
378 return ERR_PTR(-ENOMEM);
381 for (i = 0, j = 0; i < num_phys_buf; i++) {
385 naddrs = ALIGN(buffer_list[i].size,
386 (1 << page_shift)) >> page_shift;
387 for (k = 0; k < naddrs; k++)
388 page_list[j++] = (buffer_list[i].addr +
392 mr = kmalloc(sizeof(*mr), GFP_KERNEL);
394 return ERR_PTR(-ENOMEM);
396 mr->pd = to_c2pd(ib_pd);
397 pr_debug("%s - page shift %d, pbl_depth %d, total_len %u, "
398 "*iova_start %llx, first pa %llx, last pa %llx\n",
399 __FUNCTION__, page_shift, pbl_depth, total_len,
400 *iova_start, page_list[0], page_list[pbl_depth-1]);
401 err = c2_nsmr_register_phys_kern(to_c2dev(ib_pd->device), page_list,
402 (1 << page_shift), pbl_depth,
403 total_len, 0, iova_start,
404 c2_convert_access(acc), mr);
414 static struct ib_mr *c2_get_dma_mr(struct ib_pd *pd, int acc)
416 struct ib_phys_buf bl;
419 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
422 bl.size = 0xffffffff;
424 return c2_reg_phys_mr(pd, &bl, 1, acc, &kva);
427 static struct ib_mr *c2_reg_user_mr(struct ib_pd *pd, struct ib_umem *region,
428 int acc, struct ib_udata *udata)
435 struct ib_umem_chunk *chunk;
436 struct c2_pd *c2pd = to_c2pd(pd);
439 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
440 shift = ffs(region->page_size) - 1;
442 c2mr = kmalloc(sizeof(*c2mr), GFP_KERNEL);
444 return ERR_PTR(-ENOMEM);
448 list_for_each_entry(chunk, ®ion->chunk_list, list)
451 pages = kmalloc(n * sizeof(u64), GFP_KERNEL);
458 list_for_each_entry(chunk, ®ion->chunk_list, list) {
459 for (j = 0; j < chunk->nmap; ++j) {
460 len = sg_dma_len(&chunk->page_list[j]) >> shift;
461 for (k = 0; k < len; ++k) {
463 sg_dma_address(&chunk->page_list[j]) +
464 (region->page_size * k);
469 kva = (u64)region->virt_base;
470 err = c2_nsmr_register_phys_kern(to_c2dev(pd->device),
477 c2_convert_access(acc),
491 static int c2_dereg_mr(struct ib_mr *ib_mr)
493 struct c2_mr *mr = to_c2mr(ib_mr);
496 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
498 err = c2_stag_dealloc(to_c2dev(ib_mr->device), ib_mr->lkey);
500 pr_debug("c2_stag_dealloc failed: %d\n", err);
507 static ssize_t show_rev(struct class_device *cdev, char *buf)
509 struct c2_dev *dev = container_of(cdev, struct c2_dev, ibdev.class_dev);
510 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
511 return sprintf(buf, "%x\n", dev->props.hw_ver);
514 static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
516 struct c2_dev *dev = container_of(cdev, struct c2_dev, ibdev.class_dev);
517 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
518 return sprintf(buf, "%x.%x.%x\n",
519 (int) (dev->props.fw_ver >> 32),
520 (int) (dev->props.fw_ver >> 16) & 0xffff,
521 (int) (dev->props.fw_ver & 0xffff));
524 static ssize_t show_hca(struct class_device *cdev, char *buf)
526 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
527 return sprintf(buf, "AMSO1100\n");
530 static ssize_t show_board(struct class_device *cdev, char *buf)
532 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
533 return sprintf(buf, "%.*s\n", 32, "AMSO1100 Board ID");
536 static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
537 static CLASS_DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
538 static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
539 static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
541 static struct class_device_attribute *c2_class_attributes[] = {
542 &class_device_attr_hw_rev,
543 &class_device_attr_fw_ver,
544 &class_device_attr_hca_type,
545 &class_device_attr_board_id
548 static int c2_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
549 int attr_mask, struct ib_udata *udata)
554 c2_qp_modify(to_c2dev(ibqp->device), to_c2qp(ibqp), attr,
560 static int c2_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
562 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
566 static int c2_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
568 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
572 static int c2_process_mad(struct ib_device *ibdev,
576 struct ib_grh *in_grh,
577 struct ib_mad *in_mad, struct ib_mad *out_mad)
579 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
583 static int c2_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param)
585 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
587 /* Request a connection */
588 return c2_llp_connect(cm_id, iw_param);
591 static int c2_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param)
593 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
595 /* Accept the new connection */
596 return c2_llp_accept(cm_id, iw_param);
599 static int c2_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
603 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
605 err = c2_llp_reject(cm_id, pdata, pdata_len);
609 static int c2_service_create(struct iw_cm_id *cm_id, int backlog)
613 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
614 err = c2_llp_service_create(cm_id, backlog);
615 pr_debug("%s:%u err=%d\n",
616 __FUNCTION__, __LINE__,
621 static int c2_service_destroy(struct iw_cm_id *cm_id)
624 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
626 err = c2_llp_service_destroy(cm_id);
631 static int c2_pseudo_up(struct net_device *netdev)
633 struct in_device *ind;
634 struct c2_dev *c2dev = netdev->priv;
636 ind = in_dev_get(netdev);
640 pr_debug("adding...\n");
643 u8 *ip = (u8 *) & ifa->ifa_address;
645 pr_debug("%s: %d.%d.%d.%d\n",
646 ifa->ifa_label, ip[0], ip[1], ip[2], ip[3]);
648 c2_add_addr(c2dev, ifa->ifa_address, ifa->ifa_mask);
656 static int c2_pseudo_down(struct net_device *netdev)
658 struct in_device *ind;
659 struct c2_dev *c2dev = netdev->priv;
661 ind = in_dev_get(netdev);
665 pr_debug("deleting...\n");
668 u8 *ip = (u8 *) & ifa->ifa_address;
670 pr_debug("%s: %d.%d.%d.%d\n",
671 ifa->ifa_label, ip[0], ip[1], ip[2], ip[3]);
673 c2_del_addr(c2dev, ifa->ifa_address, ifa->ifa_mask);
681 static int c2_pseudo_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
687 static int c2_pseudo_change_mtu(struct net_device *netdev, int new_mtu)
691 if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
694 netdev->mtu = new_mtu;
696 /* TODO: Tell rnic about new rmda interface mtu */
700 static void setup(struct net_device *netdev)
702 SET_MODULE_OWNER(netdev);
703 netdev->open = c2_pseudo_up;
704 netdev->stop = c2_pseudo_down;
705 netdev->hard_start_xmit = c2_pseudo_xmit_frame;
706 netdev->get_stats = NULL;
707 netdev->tx_timeout = NULL;
708 netdev->set_mac_address = NULL;
709 netdev->change_mtu = c2_pseudo_change_mtu;
710 netdev->watchdog_timeo = 0;
711 netdev->type = ARPHRD_ETHER;
713 netdev->hard_header_len = ETH_HLEN;
714 netdev->addr_len = ETH_ALEN;
715 netdev->tx_queue_len = 0;
716 netdev->flags |= IFF_NOARP;
720 static struct net_device *c2_pseudo_netdev_init(struct c2_dev *c2dev)
723 struct net_device *netdev;
725 /* change ethxxx to iwxxx */
727 strcat(name, &c2dev->netdev->name[3]);
728 netdev = alloc_netdev(sizeof(*netdev), name, setup);
730 printk(KERN_ERR PFX "%s - etherdev alloc failed",
735 netdev->priv = c2dev;
737 SET_NETDEV_DEV(netdev, &c2dev->pcidev->dev);
739 memcpy_fromio(netdev->dev_addr, c2dev->kva + C2_REGS_RDMA_ENADDR, 6);
741 /* Print out the MAC address */
742 pr_debug("%s: MAC %02X:%02X:%02X:%02X:%02X:%02X\n",
744 netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
745 netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]);
748 /* Disable network packets */
749 netif_stop_queue(netdev);
754 int c2_register_device(struct c2_dev *dev)
759 /* Register pseudo network device */
760 dev->pseudo_netdev = c2_pseudo_netdev_init(dev);
761 if (dev->pseudo_netdev) {
762 ret = register_netdev(dev->pseudo_netdev);
765 "Unable to register netdev, ret = %d\n", ret);
766 free_netdev(dev->pseudo_netdev);
771 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
772 strlcpy(dev->ibdev.name, "amso%d", IB_DEVICE_NAME_MAX);
773 dev->ibdev.owner = THIS_MODULE;
774 dev->ibdev.uverbs_cmd_mask =
775 (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
776 (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
777 (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
778 (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
779 (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
780 (1ull << IB_USER_VERBS_CMD_REG_MR) |
781 (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
782 (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
783 (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
784 (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
785 (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
786 (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
787 (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
788 (1ull << IB_USER_VERBS_CMD_POLL_CQ) |
789 (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
790 (1ull << IB_USER_VERBS_CMD_POST_SEND) |
791 (1ull << IB_USER_VERBS_CMD_POST_RECV);
793 dev->ibdev.node_type = RDMA_NODE_RNIC;
794 memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
795 memcpy(&dev->ibdev.node_guid, dev->pseudo_netdev->dev_addr, 6);
796 dev->ibdev.phys_port_cnt = 1;
797 dev->ibdev.dma_device = &dev->pcidev->dev;
798 dev->ibdev.class_dev.dev = &dev->pcidev->dev;
799 dev->ibdev.query_device = c2_query_device;
800 dev->ibdev.query_port = c2_query_port;
801 dev->ibdev.modify_port = c2_modify_port;
802 dev->ibdev.query_pkey = c2_query_pkey;
803 dev->ibdev.query_gid = c2_query_gid;
804 dev->ibdev.alloc_ucontext = c2_alloc_ucontext;
805 dev->ibdev.dealloc_ucontext = c2_dealloc_ucontext;
806 dev->ibdev.mmap = c2_mmap_uar;
807 dev->ibdev.alloc_pd = c2_alloc_pd;
808 dev->ibdev.dealloc_pd = c2_dealloc_pd;
809 dev->ibdev.create_ah = c2_ah_create;
810 dev->ibdev.destroy_ah = c2_ah_destroy;
811 dev->ibdev.create_qp = c2_create_qp;
812 dev->ibdev.modify_qp = c2_modify_qp;
813 dev->ibdev.destroy_qp = c2_destroy_qp;
814 dev->ibdev.create_cq = c2_create_cq;
815 dev->ibdev.destroy_cq = c2_destroy_cq;
816 dev->ibdev.poll_cq = c2_poll_cq;
817 dev->ibdev.get_dma_mr = c2_get_dma_mr;
818 dev->ibdev.reg_phys_mr = c2_reg_phys_mr;
819 dev->ibdev.reg_user_mr = c2_reg_user_mr;
820 dev->ibdev.dereg_mr = c2_dereg_mr;
822 dev->ibdev.alloc_fmr = NULL;
823 dev->ibdev.unmap_fmr = NULL;
824 dev->ibdev.dealloc_fmr = NULL;
825 dev->ibdev.map_phys_fmr = NULL;
827 dev->ibdev.attach_mcast = c2_multicast_attach;
828 dev->ibdev.detach_mcast = c2_multicast_detach;
829 dev->ibdev.process_mad = c2_process_mad;
831 dev->ibdev.req_notify_cq = c2_arm_cq;
832 dev->ibdev.post_send = c2_post_send;
833 dev->ibdev.post_recv = c2_post_receive;
835 dev->ibdev.iwcm = kmalloc(sizeof(*dev->ibdev.iwcm), GFP_KERNEL);
836 dev->ibdev.iwcm->add_ref = c2_add_ref;
837 dev->ibdev.iwcm->rem_ref = c2_rem_ref;
838 dev->ibdev.iwcm->get_qp = c2_get_qp;
839 dev->ibdev.iwcm->connect = c2_connect;
840 dev->ibdev.iwcm->accept = c2_accept;
841 dev->ibdev.iwcm->reject = c2_reject;
842 dev->ibdev.iwcm->create_listen = c2_service_create;
843 dev->ibdev.iwcm->destroy_listen = c2_service_destroy;
845 ret = ib_register_device(&dev->ibdev);
849 for (i = 0; i < ARRAY_SIZE(c2_class_attributes); ++i) {
850 ret = class_device_create_file(&dev->ibdev.class_dev,
851 c2_class_attributes[i]);
853 unregister_netdev(dev->pseudo_netdev);
854 free_netdev(dev->pseudo_netdev);
855 ib_unregister_device(&dev->ibdev);
860 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
864 void c2_unregister_device(struct c2_dev *dev)
866 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
867 unregister_netdev(dev->pseudo_netdev);
868 free_netdev(dev->pseudo_netdev);
869 ib_unregister_device(&dev->ibdev);