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[PATCH] missing includes from infiniband merge
[net-next-2.6.git] / drivers / infiniband / hw / amso1100 / c2_provider.c
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f94b533d
TT		 1/*
2 * Copyright (c) 2005 Ammasso, Inc. All rights reserved.
3 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
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.
32 *
33 */
34
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>
46#include <linux/in.h>
47#include <linux/ip.h>
48#include <linux/tcp.h>
49#include <linux/init.h>
50#include <linux/dma-mapping.h>
51#include <linux/if_arp.h>
d7b20045 52#include <linux/vmalloc.h>
f94b533d
TT		 53
54#include <asm/io.h>
55#include <asm/irq.h>
56#include <asm/byteorder.h>
57
58#include <rdma/ib_smi.h>
59#include <rdma/ib_user_verbs.h>
60#include "c2.h"
61#include "c2_provider.h"
62#include "c2_user.h"
63
64static int c2_query_device(struct ib_device *ibdev,
65 struct ib_device_attr *props)
66{
67 struct c2_dev *c2dev = to_c2dev(ibdev);
68
69 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
70
71 *props = c2dev->props;
72 return 0;
73}
74
75static int c2_query_port(struct ib_device *ibdev,
76 u8 port, struct ib_port_attr *props)
77{
78 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
79
80 props->max_mtu = IB_MTU_4096;
81 props->lid = 0;
82 props->lmc = 0;
83 props->sm_lid = 0;
84 props->sm_sl = 0;
85 props->state = IB_PORT_ACTIVE;
86 props->phys_state = 0;
87 props->port_cap_flags =
88 IB_PORT_CM_SUP |
89 IB_PORT_REINIT_SUP |
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;
96
97 return 0;
98}
99
100static int c2_modify_port(struct ib_device *ibdev,
101 u8 port, int port_modify_mask,
102 struct ib_port_modify *props)
103{
104 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
105 return 0;
106}
107
108static int c2_query_pkey(struct ib_device *ibdev,
109 u8 port, u16 index, u16 * pkey)
110{
111 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
112 *pkey = 0;
113 return 0;
114}
115
116static int c2_query_gid(struct ib_device *ibdev, u8 port,
117 int index, union ib_gid *gid)
118{
119 struct c2_dev *c2dev = to_c2dev(ibdev);
120
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);
124
125 return 0;
126}
127
128/* Allocate the user context data structure. This keeps track
129 * of all objects associated with a particular user-mode client.
130 */
131static struct ib_ucontext *c2_alloc_ucontext(struct ib_device *ibdev,
132 struct ib_udata *udata)
133{
134 struct c2_ucontext *context;
135
136 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
137 context = kmalloc(sizeof(*context), GFP_KERNEL);
138 if (!context)
139 return ERR_PTR(-ENOMEM);
140
141 return &context->ibucontext;
142}
143
144static int c2_dealloc_ucontext(struct ib_ucontext *context)
145{
146 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
147 kfree(context);
148 return 0;
149}
150
151static int c2_mmap_uar(struct ib_ucontext *context, struct vm_area_struct *vma)
152{
153 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
154 return -ENOSYS;
155}
156
157static struct ib_pd *c2_alloc_pd(struct ib_device *ibdev,
158 struct ib_ucontext *context,
159 struct ib_udata *udata)
160{
161 struct c2_pd *pd;
162 int err;
163
164 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
165
166 pd = kmalloc(sizeof(*pd), GFP_KERNEL);
167 if (!pd)
168 return ERR_PTR(-ENOMEM);
169
170 err = c2_pd_alloc(to_c2dev(ibdev), !context, pd);
171 if (err) {
172 kfree(pd);
173 return ERR_PTR(err);
174 }
175
176 if (context) {
177 if (ib_copy_to_udata(udata, &pd->pd_id, sizeof(__u32))) {
178 c2_pd_free(to_c2dev(ibdev), pd);
179 kfree(pd);
180 return ERR_PTR(-EFAULT);
181 }
182 }
183
184 return &pd->ibpd;
185}
186
187static int c2_dealloc_pd(struct ib_pd *pd)
188{
189 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
190 c2_pd_free(to_c2dev(pd->device), to_c2pd(pd));
191 kfree(pd);
192
193 return 0;
194}
195
196static struct ib_ah *c2_ah_create(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
197{
198 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
199 return ERR_PTR(-ENOSYS);
200}
201
202static int c2_ah_destroy(struct ib_ah *ah)
203{
204 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
205 return -ENOSYS;
206}
207
208static void c2_add_ref(struct ib_qp *ibqp)
209{
210 struct c2_qp *qp;
211 BUG_ON(!ibqp);
212 qp = to_c2qp(ibqp);
213 atomic_inc(&qp->refcount);
214}
215
216static void c2_rem_ref(struct ib_qp *ibqp)
217{
218 struct c2_qp *qp;
219 BUG_ON(!ibqp);
220 qp = to_c2qp(ibqp);
221 if (atomic_dec_and_test(&qp->refcount))
222 wake_up(&qp->wait);
223}
224
225struct ib_qp *c2_get_qp(struct ib_device *device, int qpn)
226{
227 struct c2_dev* c2dev = to_c2dev(device);
228 struct c2_qp *qp;
229
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));
234
235 return (qp?&qp->ibqp:NULL);
236}
237
238static struct ib_qp *c2_create_qp(struct ib_pd *pd,
239 struct ib_qp_init_attr *init_attr,
240 struct ib_udata *udata)
241{
242 struct c2_qp *qp;
243 int err;
244
245 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
246
247 switch (init_attr->qp_type) {
248 case IB_QPT_RC:
249 qp = kzalloc(sizeof(*qp), GFP_KERNEL);
250 if (!qp) {
251 pr_debug("%s: Unable to allocate QP\n", __FUNCTION__);
252 return ERR_PTR(-ENOMEM);
253 }
254 spin_lock_init(&qp->lock);
255 if (pd->uobject) {
256 /* userspace specific */
257 }
258
259 err = c2_alloc_qp(to_c2dev(pd->device),
260 to_c2pd(pd), init_attr, qp);
261
262 if (err && pd->uobject) {
263 /* userspace specific */
264 }
265
266 break;
267 default:
268 pr_debug("%s: Invalid QP type: %d\n", __FUNCTION__,
269 init_attr->qp_type);
270 return ERR_PTR(-EINVAL);
271 break;
272 }
273
274 if (err) {
275 kfree(qp);
276 return ERR_PTR(err);
277 }
278
279 return &qp->ibqp;
280}
281
282static int c2_destroy_qp(struct ib_qp *ib_qp)
283{
284 struct c2_qp *qp = to_c2qp(ib_qp);
285
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);
289 kfree(qp);
290 return 0;
291}
292
293static struct ib_cq *c2_create_cq(struct ib_device *ibdev, int entries,
294 struct ib_ucontext *context,
295 struct ib_udata *udata)
296{
297 struct c2_cq *cq;
298 int err;
299
300 cq = kmalloc(sizeof(*cq), GFP_KERNEL);
301 if (!cq) {
302 pr_debug("%s: Unable to allocate CQ\n", __FUNCTION__);
303 return ERR_PTR(-ENOMEM);
304 }
305
306 err = c2_init_cq(to_c2dev(ibdev), entries, NULL, cq);
307 if (err) {
308 pr_debug("%s: error initializing CQ\n", __FUNCTION__);
309 kfree(cq);
310 return ERR_PTR(err);
311 }
312
313 return &cq->ibcq;
314}
315
316static int c2_destroy_cq(struct ib_cq *ib_cq)
317{
318 struct c2_cq *cq = to_c2cq(ib_cq);
319
320 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
321
322 c2_free_cq(to_c2dev(ib_cq->device), cq);
323 kfree(cq);
324
325 return 0;
326}
327
328static inline u32 c2_convert_access(int acc)
329{
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;
334}
335
336static 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)
339{
340 struct c2_mr *mr;
341 u64 *page_list;
342 u32 total_len;
343 int err, i, j, k, page_shift, pbl_depth;
344
345 pbl_depth = 0;
346 total_len = 0;
347
348 page_shift = PAGE_SHIFT;
349 /*
350 * If there is only 1 buffer we assume this could
351 * be a map of all phy mem...use a 32k page_shift.
352 */
353 if (num_phys_buf == 1)
354 page_shift += 3;
355
356 for (i = 0; i < num_phys_buf; i++) {
357
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);
362 }
363
364 if (!buffer_list[i].size) {
365 pr_debug("Invalid Buffer Size\n");
366 return ERR_PTR(-EINVAL);
367 }
368
369 total_len += buffer_list[i].size;
370 pbl_depth += ALIGN(buffer_list[i].size,
371 (1 << page_shift)) >> page_shift;
372 }
373
374 page_list = vmalloc(sizeof(u64) * pbl_depth);
375 if (!page_list) {
376 pr_debug("couldn't vmalloc page_list of size %zd\n",
377 (sizeof(u64) * pbl_depth));
378 return ERR_PTR(-ENOMEM);
379 }
380
381 for (i = 0, j = 0; i < num_phys_buf; i++) {
382
383 int naddrs;
384
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 +
389 (k << page_shift));
390 }
391
392 mr = kmalloc(sizeof(*mr), GFP_KERNEL);
393 if (!mr)
394 return ERR_PTR(-ENOMEM);
395
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);
405 vfree(page_list);
406 if (err) {
407 kfree(mr);
408 return ERR_PTR(err);
409 }
410
411 return &mr->ibmr;
412}
413
414static struct ib_mr *c2_get_dma_mr(struct ib_pd *pd, int acc)
415{
416 struct ib_phys_buf bl;
417 u64 kva = 0;
418
419 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
420
421 /* AMSO1100 limit */
422 bl.size = 0xffffffff;
423 bl.addr = 0;
424 return c2_reg_phys_mr(pd, &bl, 1, acc, &kva);
425}
426
427static struct ib_mr *c2_reg_user_mr(struct ib_pd *pd, struct ib_umem *region,
428 int acc, struct ib_udata *udata)
429{
430 u64 *pages;
431 u64 kva = 0;
432 int shift, n, len;
433 int i, j, k;
434 int err = 0;
435 struct ib_umem_chunk *chunk;
436 struct c2_pd *c2pd = to_c2pd(pd);
437 struct c2_mr *c2mr;
438
439 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
440 shift = ffs(region->page_size) - 1;
441
442 c2mr = kmalloc(sizeof(*c2mr), GFP_KERNEL);
443 if (!c2mr)
444 return ERR_PTR(-ENOMEM);
445 c2mr->pd = c2pd;
446
447 n = 0;
448 list_for_each_entry(chunk, &region->chunk_list, list)
449 n += chunk->nents;
450
451 pages = kmalloc(n * sizeof(u64), GFP_KERNEL);
452 if (!pages) {
453 err = -ENOMEM;
454 goto err;
455 }
456
457 i = 0;
458 list_for_each_entry(chunk, &region->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) {
462 pages[i++] =
463 sg_dma_address(&chunk->page_list[j]) +
464 (region->page_size * k);
465 }
466 }
467 }
468
469 kva = (u64)region->virt_base;
470 err = c2_nsmr_register_phys_kern(to_c2dev(pd->device),
471 pages,
472 region->page_size,
473 i,
474 region->length,
475 region->offset,
476 &kva,
477 c2_convert_access(acc),
478 c2mr);
479 kfree(pages);
480 if (err) {
481 kfree(c2mr);
482 return ERR_PTR(err);
483 }
484 return &c2mr->ibmr;
485
486err:
487 kfree(c2mr);
488 return ERR_PTR(err);
489}
490
491static int c2_dereg_mr(struct ib_mr *ib_mr)
492{
493 struct c2_mr *mr = to_c2mr(ib_mr);
494 int err;
495
496 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
497
498 err = c2_stag_dealloc(to_c2dev(ib_mr->device), ib_mr->lkey);
499 if (err)
500 pr_debug("c2_stag_dealloc failed: %d\n", err);
501 else
502 kfree(mr);
503
504 return err;
505}
506
507static ssize_t show_rev(struct class_device *cdev, char *buf)
508{
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);
512}
513
514static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
515{
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));
522}
523
524static ssize_t show_hca(struct class_device *cdev, char *buf)
525{
526 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
527 return sprintf(buf, "AMSO1100\n");
528}
529
530static ssize_t show_board(struct class_device *cdev, char *buf)
531{
532 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
533 return sprintf(buf, "%.*s\n", 32, "AMSO1100 Board ID");
534}
535
536static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
537static CLASS_DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
538static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
539static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
540
541static 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
546};
547
548static int c2_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
549 int attr_mask, struct ib_udata *udata)
550{
551 int err;
552
553 err =
554 c2_qp_modify(to_c2dev(ibqp->device), to_c2qp(ibqp), attr,
555 attr_mask);
556
557 return err;
558}
559
560static int c2_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
561{
562 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
563 return -ENOSYS;
564}
565
566static int c2_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
567{
568 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
569 return -ENOSYS;
570}
571
572static int c2_process_mad(struct ib_device *ibdev,
573 int mad_flags,
574 u8 port_num,
575 struct ib_wc *in_wc,
576 struct ib_grh *in_grh,
577 struct ib_mad *in_mad, struct ib_mad *out_mad)
578{
579 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
580 return -ENOSYS;
581}
582
583static int c2_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param)
584{
585 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
586
587 /* Request a connection */
588 return c2_llp_connect(cm_id, iw_param);
589}
590
591static int c2_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param)
592{
593 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
594
595 /* Accept the new connection */
596 return c2_llp_accept(cm_id, iw_param);
597}
598
599static int c2_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
600{
601 int err;
602
603 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
604
605 err = c2_llp_reject(cm_id, pdata, pdata_len);
606 return err;
607}
608
609static int c2_service_create(struct iw_cm_id *cm_id, int backlog)
610{
611 int err;
612
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__,
617 err);
618 return err;
619}
620
621static int c2_service_destroy(struct iw_cm_id *cm_id)
622{
623 int err;
624 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
625
626 err = c2_llp_service_destroy(cm_id);
627
628 return err;
629}
630
631static int c2_pseudo_up(struct net_device *netdev)
632{
633 struct in_device *ind;
634 struct c2_dev *c2dev = netdev->priv;
635
636 ind = in_dev_get(netdev);
637 if (!ind)
638 return 0;
639
640 pr_debug("adding...\n");
641 for_ifa(ind) {
642#ifdef DEBUG
643 u8 *ip = (u8 *) & ifa->ifa_address;
644
645 pr_debug("%s: %d.%d.%d.%d\n",
646 ifa->ifa_label, ip[0], ip[1], ip[2], ip[3]);
647#endif
648 c2_add_addr(c2dev, ifa->ifa_address, ifa->ifa_mask);
649 }
650 endfor_ifa(ind);
651 in_dev_put(ind);
652
653 return 0;
654}
655
656static int c2_pseudo_down(struct net_device *netdev)
657{
658 struct in_device *ind;
659 struct c2_dev *c2dev = netdev->priv;
660
661 ind = in_dev_get(netdev);
662 if (!ind)
663 return 0;
664
665 pr_debug("deleting...\n");
666 for_ifa(ind) {
667#ifdef DEBUG
668 u8 *ip = (u8 *) & ifa->ifa_address;
669
670 pr_debug("%s: %d.%d.%d.%d\n",
671 ifa->ifa_label, ip[0], ip[1], ip[2], ip[3]);
672#endif
673 c2_del_addr(c2dev, ifa->ifa_address, ifa->ifa_mask);
674 }
675 endfor_ifa(ind);
676 in_dev_put(ind);
677
678 return 0;
679}
680
681static int c2_pseudo_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
682{
683 kfree_skb(skb);
684 return NETDEV_TX_OK;
685}
686
687static int c2_pseudo_change_mtu(struct net_device *netdev, int new_mtu)
688{
689 int ret = 0;
690
691 if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
692 return -EINVAL;
693
694 netdev->mtu = new_mtu;
695
696 /* TODO: Tell rnic about new rmda interface mtu */
697 return ret;
698}
699
700static void setup(struct net_device *netdev)
701{
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;
712 netdev->mtu = 1500;
713 netdev->hard_header_len = ETH_HLEN;
714 netdev->addr_len = ETH_ALEN;
715 netdev->tx_queue_len = 0;
716 netdev->flags |= IFF_NOARP;
717 return;
718}
719
720static struct net_device *c2_pseudo_netdev_init(struct c2_dev *c2dev)
721{
722 char name[IFNAMSIZ];
723 struct net_device *netdev;
724
725 /* change ethxxx to iwxxx */
726 strcpy(name, "iw");
727 strcat(name, &c2dev->netdev->name[3]);
728 netdev = alloc_netdev(sizeof(*netdev), name, setup);
729 if (!netdev) {
730 printk(KERN_ERR PFX "%s - etherdev alloc failed",
731 __FUNCTION__);
732 return NULL;
733 }
734
735 netdev->priv = c2dev;
736
737 SET_NETDEV_DEV(netdev, &c2dev->pcidev->dev);
738
739 memcpy_fromio(netdev->dev_addr, c2dev->kva + C2_REGS_RDMA_ENADDR, 6);
740
741 /* Print out the MAC address */
742 pr_debug("%s: MAC %02X:%02X:%02X:%02X:%02X:%02X\n",
743 netdev->name,
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]);
746
747#if 0
748 /* Disable network packets */
749 netif_stop_queue(netdev);
750#endif
751 return netdev;
752}
753
754int c2_register_device(struct c2_dev *dev)
755{
756 int ret;
757 int i;
758
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);
763 if (ret) {
764 printk(KERN_ERR PFX
765 "Unable to register netdev, ret = %d\n", ret);
766 free_netdev(dev->pseudo_netdev);
767 return ret;
768 }
769 }
770
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);
792
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;
821
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;
826
827 dev->ibdev.attach_mcast = c2_multicast_attach;
828 dev->ibdev.detach_mcast = c2_multicast_detach;
829 dev->ibdev.process_mad = c2_process_mad;
830
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;
834
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;
844
845 ret = ib_register_device(&dev->ibdev);
846 if (ret)
847 return ret;
848
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]);
852 if (ret) {
853 unregister_netdev(dev->pseudo_netdev);
854 free_netdev(dev->pseudo_netdev);
855 ib_unregister_device(&dev->ibdev);
856 return ret;
857 }
858 }
859
860 pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
861 return 0;
862}
863
864void c2_unregister_device(struct c2_dev *dev)
865{
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);
870}
Clone of davem's net-next-2.6 tree