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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / infiniband / hw / nes / nes.c
1 /*
2 * Copyright (c) 2006 - 2009 Intel Corporation. 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 #include <linux/module.h>
35 #include <linux/moduleparam.h>
36 #include <linux/netdevice.h>
37 #include <linux/etherdevice.h>
38 #include <linux/ethtool.h>
39 #include <linux/mii.h>
40 #include <linux/if_vlan.h>
41 #include <linux/crc32.h>
42 #include <linux/in.h>
43 #include <linux/fs.h>
44 #include <linux/init.h>
45 #include <linux/if_arp.h>
46 #include <linux/highmem.h>
47 #include <linux/slab.h>
48 #include <asm/io.h>
49 #include <asm/irq.h>
50 #include <asm/byteorder.h>
51 #include <rdma/ib_smi.h>
52 #include <rdma/ib_verbs.h>
53 #include <rdma/ib_pack.h>
54 #include <rdma/iw_cm.h>
55
56 #include "nes.h"
57
58 #include <net/netevent.h>
59 #include <net/neighbour.h>
60 #include <linux/route.h>
61 #include <net/ip_fib.h>
62
63 MODULE_AUTHOR("NetEffect");
64 MODULE_DESCRIPTION("NetEffect RNIC Low-level iWARP Driver");
65 MODULE_LICENSE("Dual BSD/GPL");
66 MODULE_VERSION(DRV_VERSION);
67
68 int max_mtu = 9000;
69 int interrupt_mod_interval = 0;
70
71
72 /* Interoperability */
73 int mpa_version = 1;
74 module_param(mpa_version, int, 0644);
75 MODULE_PARM_DESC(mpa_version, "MPA version to be used int MPA Req/Resp (0 or 1)");
76
77 /* Interoperability */
78 int disable_mpa_crc = 0;
79 module_param(disable_mpa_crc, int, 0644);
80 MODULE_PARM_DESC(disable_mpa_crc, "Disable checking of MPA CRC");
81
82 unsigned int send_first = 0;
83 module_param(send_first, int, 0644);
84 MODULE_PARM_DESC(send_first, "Send RDMA Message First on Active Connection");
85
86
87 unsigned int nes_drv_opt = 0;
88 module_param(nes_drv_opt, int, 0644);
89 MODULE_PARM_DESC(nes_drv_opt, "Driver option parameters");
90
91 unsigned int nes_debug_level = 0;
92 module_param_named(debug_level, nes_debug_level, uint, 0644);
93 MODULE_PARM_DESC(debug_level, "Enable debug output level");
94
95 unsigned int wqm_quanta = 0x10000;
96 module_param(wqm_quanta, int, 0644);
97 MODULE_PARM_DESC(wqm_quanta, "WQM quanta");
98
99 static unsigned int limit_maxrdreqsz;
100 module_param(limit_maxrdreqsz, bool, 0644);
101 MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes");
102
103 LIST_HEAD(nes_adapter_list);
104 static LIST_HEAD(nes_dev_list);
105
106 atomic_t qps_destroyed;
107
108 static unsigned int ee_flsh_adapter;
109 static unsigned int sysfs_nonidx_addr;
110 static unsigned int sysfs_idx_addr;
111
112 static struct pci_device_id nes_pci_table[] = {
113 {PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020, PCI_ANY_ID, PCI_ANY_ID},
114 {PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020_KR, PCI_ANY_ID, PCI_ANY_ID},
115 {0}
116 };
117
118 MODULE_DEVICE_TABLE(pci, nes_pci_table);
119
120 static int nes_inetaddr_event(struct notifier_block *, unsigned long, void *);
121 static int nes_net_event(struct notifier_block *, unsigned long, void *);
122 static int nes_notifiers_registered;
123
124
125 static struct notifier_block nes_inetaddr_notifier = {
126 .notifier_call = nes_inetaddr_event
127 };
128
129 static struct notifier_block nes_net_notifier = {
130 .notifier_call = nes_net_event
131 };
132
133
134
135
136 /**
137 * nes_inetaddr_event
138 */
139 static int nes_inetaddr_event(struct notifier_block *notifier,
140 unsigned long event, void *ptr)
141 {
142 struct in_ifaddr *ifa = ptr;
143 struct net_device *event_netdev = ifa->ifa_dev->dev;
144 struct nes_device *nesdev;
145 struct net_device *netdev;
146 struct nes_vnic *nesvnic;
147
148 nes_debug(NES_DBG_NETDEV, "nes_inetaddr_event: ip address %pI4, netmask %pI4.\n",
149 &ifa->ifa_address, &ifa->ifa_mask);
150 list_for_each_entry(nesdev, &nes_dev_list, list) {
151 nes_debug(NES_DBG_NETDEV, "Nesdev list entry = 0x%p. (%s)\n",
152 nesdev, nesdev->netdev[0]->name);
153 netdev = nesdev->netdev[0];
154 nesvnic = netdev_priv(netdev);
155 if (netdev == event_netdev) {
156 if (nesvnic->rdma_enabled == 0) {
157 nes_debug(NES_DBG_NETDEV, "Returning without processing event for %s since"
158 " RDMA is not enabled.\n",
159 netdev->name);
160 return NOTIFY_OK;
161 }
162 /* we have ifa->ifa_address/mask here if we need it */
163 switch (event) {
164 case NETDEV_DOWN:
165 nes_debug(NES_DBG_NETDEV, "event:DOWN\n");
166 nes_write_indexed(nesdev,
167 NES_IDX_DST_IP_ADDR+(0x10*PCI_FUNC(nesdev->pcidev->devfn)), 0);
168
169 nes_manage_arp_cache(netdev, netdev->dev_addr,
170 ntohl(nesvnic->local_ipaddr), NES_ARP_DELETE);
171 nesvnic->local_ipaddr = 0;
172 return NOTIFY_OK;
173 break;
174 case NETDEV_UP:
175 nes_debug(NES_DBG_NETDEV, "event:UP\n");
176
177 if (nesvnic->local_ipaddr != 0) {
178 nes_debug(NES_DBG_NETDEV, "Interface already has local_ipaddr\n");
179 return NOTIFY_OK;
180 }
181 /* Add the address to the IP table */
182 nesvnic->local_ipaddr = ifa->ifa_address;
183
184 nes_write_indexed(nesdev,
185 NES_IDX_DST_IP_ADDR+(0x10*PCI_FUNC(nesdev->pcidev->devfn)),
186 ntohl(ifa->ifa_address));
187 nes_manage_arp_cache(netdev, netdev->dev_addr,
188 ntohl(nesvnic->local_ipaddr), NES_ARP_ADD);
189 return NOTIFY_OK;
190 break;
191 default:
192 break;
193 }
194 }
195 }
196
197 return NOTIFY_DONE;
198 }
199
200
201 /**
202 * nes_net_event
203 */
204 static int nes_net_event(struct notifier_block *notifier,
205 unsigned long event, void *ptr)
206 {
207 struct neighbour *neigh = ptr;
208 struct nes_device *nesdev;
209 struct net_device *netdev;
210 struct nes_vnic *nesvnic;
211
212 switch (event) {
213 case NETEVENT_NEIGH_UPDATE:
214 list_for_each_entry(nesdev, &nes_dev_list, list) {
215 /* nes_debug(NES_DBG_NETDEV, "Nesdev list entry = 0x%p.\n", nesdev); */
216 netdev = nesdev->netdev[0];
217 nesvnic = netdev_priv(netdev);
218 if (netdev == neigh->dev) {
219 if (nesvnic->rdma_enabled == 0) {
220 nes_debug(NES_DBG_NETDEV, "Skipping device %s since no RDMA\n",
221 netdev->name);
222 } else {
223 if (neigh->nud_state & NUD_VALID) {
224 nes_manage_arp_cache(neigh->dev, neigh->ha,
225 ntohl(*(__be32 *)neigh->primary_key), NES_ARP_ADD);
226 } else {
227 nes_manage_arp_cache(neigh->dev, neigh->ha,
228 ntohl(*(__be32 *)neigh->primary_key), NES_ARP_DELETE);
229 }
230 }
231 return NOTIFY_OK;
232 }
233 }
234 break;
235 default:
236 nes_debug(NES_DBG_NETDEV, "NETEVENT_ %lu undefined\n", event);
237 break;
238 }
239
240 return NOTIFY_DONE;
241 }
242
243
244 /**
245 * nes_add_ref
246 */
247 void nes_add_ref(struct ib_qp *ibqp)
248 {
249 struct nes_qp *nesqp;
250
251 nesqp = to_nesqp(ibqp);
252 nes_debug(NES_DBG_QP, "Bumping refcount for QP%u. Pre-inc value = %u\n",
253 ibqp->qp_num, atomic_read(&nesqp->refcount));
254 atomic_inc(&nesqp->refcount);
255 }
256
257 static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_request *cqp_request)
258 {
259 unsigned long flags;
260 struct nes_qp *nesqp = cqp_request->cqp_callback_pointer;
261 struct nes_adapter *nesadapter = nesdev->nesadapter;
262 u32 qp_id;
263
264 atomic_inc(&qps_destroyed);
265
266 /* Free the control structures */
267
268 qp_id = nesqp->hwqp.qp_id;
269 if (nesqp->pbl_vbase) {
270 pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
271 nesqp->hwqp.q2_vbase, nesqp->hwqp.q2_pbase);
272 spin_lock_irqsave(&nesadapter->pbl_lock, flags);
273 nesadapter->free_256pbl++;
274 spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
275 pci_free_consistent(nesdev->pcidev, 256, nesqp->pbl_vbase, nesqp->pbl_pbase);
276 nesqp->pbl_vbase = NULL;
277
278 } else {
279 pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
280 nesqp->hwqp.sq_vbase, nesqp->hwqp.sq_pbase);
281 }
282 nes_free_resource(nesadapter, nesadapter->allocated_qps, nesqp->hwqp.qp_id);
283
284 nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = NULL;
285 kfree(nesqp->allocated_buffer);
286
287 }
288
289 /**
290 * nes_rem_ref
291 */
292 void nes_rem_ref(struct ib_qp *ibqp)
293 {
294 u64 u64temp;
295 struct nes_qp *nesqp;
296 struct nes_vnic *nesvnic = to_nesvnic(ibqp->device);
297 struct nes_device *nesdev = nesvnic->nesdev;
298 struct nes_hw_cqp_wqe *cqp_wqe;
299 struct nes_cqp_request *cqp_request;
300 u32 opcode;
301
302 nesqp = to_nesqp(ibqp);
303
304 if (atomic_read(&nesqp->refcount) == 0) {
305 printk(KERN_INFO PFX "%s: Reference count already 0 for QP%d, last aeq = 0x%04X.\n",
306 __func__, ibqp->qp_num, nesqp->last_aeq);
307 BUG();
308 }
309
310 if (atomic_dec_and_test(&nesqp->refcount)) {
311 /* Destroy the QP */
312 cqp_request = nes_get_cqp_request(nesdev);
313 if (cqp_request == NULL) {
314 nes_debug(NES_DBG_QP, "Failed to get a cqp_request.\n");
315 return;
316 }
317 cqp_request->waiting = 0;
318 cqp_request->callback = 1;
319 cqp_request->cqp_callback = nes_cqp_rem_ref_callback;
320 cqp_request->cqp_callback_pointer = nesqp;
321 cqp_wqe = &cqp_request->cqp_wqe;
322
323 nes_fill_init_cqp_wqe(cqp_wqe, nesdev);
324 opcode = NES_CQP_DESTROY_QP | NES_CQP_QP_TYPE_IWARP;
325
326 if (nesqp->hte_added) {
327 opcode |= NES_CQP_QP_DEL_HTE;
328 nesqp->hte_added = 0;
329 }
330 set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_OPCODE_IDX, opcode);
331 set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_ID_IDX, nesqp->hwqp.qp_id);
332 u64temp = (u64)nesqp->nesqp_context_pbase;
333 set_wqe_64bit_value(cqp_wqe->wqe_words, NES_CQP_QP_WQE_CONTEXT_LOW_IDX, u64temp);
334 nes_post_cqp_request(nesdev, cqp_request);
335 }
336 }
337
338
339 /**
340 * nes_get_qp
341 */
342 struct ib_qp *nes_get_qp(struct ib_device *device, int qpn)
343 {
344 struct nes_vnic *nesvnic = to_nesvnic(device);
345 struct nes_device *nesdev = nesvnic->nesdev;
346 struct nes_adapter *nesadapter = nesdev->nesadapter;
347
348 if ((qpn < NES_FIRST_QPN) || (qpn >= (NES_FIRST_QPN + nesadapter->max_qp)))
349 return NULL;
350
351 return &nesadapter->qp_table[qpn - NES_FIRST_QPN]->ibqp;
352 }
353
354
355 /**
356 * nes_print_macaddr
357 */
358 static void nes_print_macaddr(struct net_device *netdev)
359 {
360 nes_debug(NES_DBG_INIT, "%s: %pM, IRQ %u\n",
361 netdev->name, netdev->dev_addr, netdev->irq);
362 }
363
364 /**
365 * nes_interrupt - handle interrupts
366 */
367 static irqreturn_t nes_interrupt(int irq, void *dev_id)
368 {
369 struct nes_device *nesdev = (struct nes_device *)dev_id;
370 int handled = 0;
371 u32 int_mask;
372 u32 int_req;
373 u32 int_stat;
374 u32 intf_int_stat;
375 u32 timer_stat;
376
377 if (nesdev->msi_enabled) {
378 /* No need to read the interrupt pending register if msi is enabled */
379 handled = 1;
380 } else {
381 if (unlikely(nesdev->nesadapter->hw_rev == NE020_REV)) {
382 /* Master interrupt enable provides synchronization for kicking off bottom half
383 when interrupt sharing is going on */
384 int_mask = nes_read32(nesdev->regs + NES_INT_MASK);
385 if (int_mask & 0x80000000) {
386 /* Check interrupt status to see if this might be ours */
387 int_stat = nes_read32(nesdev->regs + NES_INT_STAT);
388 int_req = nesdev->int_req;
389 if (int_stat&int_req) {
390 /* if interesting CEQ or AEQ is pending, claim the interrupt */
391 if ((int_stat&int_req) & (~(NES_INT_TIMER|NES_INT_INTF))) {
392 handled = 1;
393 } else {
394 if (((int_stat & int_req) & NES_INT_TIMER) == NES_INT_TIMER) {
395 /* Timer might be running but might be for another function */
396 timer_stat = nes_read32(nesdev->regs + NES_TIMER_STAT);
397 if ((timer_stat & nesdev->timer_int_req) != 0) {
398 handled = 1;
399 }
400 }
401 if ((((int_stat & int_req) & NES_INT_INTF) == NES_INT_INTF) &&
402 (handled == 0)) {
403 intf_int_stat = nes_read32(nesdev->regs+NES_INTF_INT_STAT);
404 if ((intf_int_stat & nesdev->intf_int_req) != 0) {
405 handled = 1;
406 }
407 }
408 }
409 if (handled) {
410 nes_write32(nesdev->regs+NES_INT_MASK, int_mask & (~0x80000000));
411 int_mask = nes_read32(nesdev->regs+NES_INT_MASK);
412 /* Save off the status to save an additional read */
413 nesdev->int_stat = int_stat;
414 nesdev->napi_isr_ran = 1;
415 }
416 }
417 }
418 } else {
419 handled = nes_read32(nesdev->regs+NES_INT_PENDING);
420 }
421 }
422
423 if (handled) {
424
425 if (nes_napi_isr(nesdev) == 0) {
426 tasklet_schedule(&nesdev->dpc_tasklet);
427
428 }
429 return IRQ_HANDLED;
430 } else {
431 return IRQ_NONE;
432 }
433 }
434
435
436 /**
437 * nes_probe - Device initialization
438 */
439 static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
440 {
441 struct net_device *netdev = NULL;
442 struct nes_device *nesdev = NULL;
443 int ret = 0;
444 struct nes_vnic *nesvnic = NULL;
445 void __iomem *mmio_regs = NULL;
446 u8 hw_rev;
447
448 assert(pcidev != NULL);
449 assert(ent != NULL);
450
451 printk(KERN_INFO PFX "NetEffect RNIC driver v%s loading. (%s)\n",
452 DRV_VERSION, pci_name(pcidev));
453
454 ret = pci_enable_device(pcidev);
455 if (ret) {
456 printk(KERN_ERR PFX "Unable to enable PCI device. (%s)\n", pci_name(pcidev));
457 goto bail0;
458 }
459
460 nes_debug(NES_DBG_INIT, "BAR0 (@0x%08lX) size = 0x%lX bytes\n",
461 (long unsigned int)pci_resource_start(pcidev, BAR_0),
462 (long unsigned int)pci_resource_len(pcidev, BAR_0));
463 nes_debug(NES_DBG_INIT, "BAR1 (@0x%08lX) size = 0x%lX bytes\n",
464 (long unsigned int)pci_resource_start(pcidev, BAR_1),
465 (long unsigned int)pci_resource_len(pcidev, BAR_1));
466
467 /* Make sure PCI base addr are MMIO */
468 if (!(pci_resource_flags(pcidev, BAR_0) & IORESOURCE_MEM) ||
469 !(pci_resource_flags(pcidev, BAR_1) & IORESOURCE_MEM)) {
470 printk(KERN_ERR PFX "PCI regions not an MMIO resource\n");
471 ret = -ENODEV;
472 goto bail1;
473 }
474
475 /* Reserve PCI I/O and memory resources */
476 ret = pci_request_regions(pcidev, DRV_NAME);
477 if (ret) {
478 printk(KERN_ERR PFX "Unable to request regions. (%s)\n", pci_name(pcidev));
479 goto bail1;
480 }
481
482 if ((sizeof(dma_addr_t) > 4)) {
483 ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(64));
484 if (ret < 0) {
485 printk(KERN_ERR PFX "64b DMA mask configuration failed\n");
486 goto bail2;
487 }
488 ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
489 if (ret) {
490 printk(KERN_ERR PFX "64b DMA consistent mask configuration failed\n");
491 goto bail2;
492 }
493 } else {
494 ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
495 if (ret < 0) {
496 printk(KERN_ERR PFX "32b DMA mask configuration failed\n");
497 goto bail2;
498 }
499 ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
500 if (ret) {
501 printk(KERN_ERR PFX "32b DMA consistent mask configuration failed\n");
502 goto bail2;
503 }
504 }
505
506 pci_set_master(pcidev);
507
508 /* Allocate hardware structure */
509 nesdev = kzalloc(sizeof(struct nes_device), GFP_KERNEL);
510 if (!nesdev) {
511 printk(KERN_ERR PFX "%s: Unable to alloc hardware struct\n", pci_name(pcidev));
512 ret = -ENOMEM;
513 goto bail2;
514 }
515
516 nes_debug(NES_DBG_INIT, "Allocated nes device at %p\n", nesdev);
517 nesdev->pcidev = pcidev;
518 pci_set_drvdata(pcidev, nesdev);
519
520 pci_read_config_byte(pcidev, 0x0008, &hw_rev);
521 nes_debug(NES_DBG_INIT, "hw_rev=%u\n", hw_rev);
522
523 spin_lock_init(&nesdev->indexed_regs_lock);
524
525 /* Remap the PCI registers in adapter BAR0 to kernel VA space */
526 mmio_regs = ioremap_nocache(pci_resource_start(pcidev, BAR_0),
527 pci_resource_len(pcidev, BAR_0));
528 if (mmio_regs == NULL) {
529 printk(KERN_ERR PFX "Unable to remap BAR0\n");
530 ret = -EIO;
531 goto bail3;
532 }
533 nesdev->regs = mmio_regs;
534 nesdev->index_reg = 0x50 + (PCI_FUNC(pcidev->devfn)*8) + mmio_regs;
535
536 /* Ensure interrupts are disabled */
537 nes_write32(nesdev->regs+NES_INT_MASK, 0x7fffffff);
538
539 if (nes_drv_opt & NES_DRV_OPT_ENABLE_MSI) {
540 if (!pci_enable_msi(nesdev->pcidev)) {
541 nesdev->msi_enabled = 1;
542 nes_debug(NES_DBG_INIT, "MSI is enabled for device %s\n",
543 pci_name(pcidev));
544 } else {
545 nes_debug(NES_DBG_INIT, "MSI is disabled by linux for device %s\n",
546 pci_name(pcidev));
547 }
548 } else {
549 nes_debug(NES_DBG_INIT, "MSI not requested due to driver options for device %s\n",
550 pci_name(pcidev));
551 }
552
553 nesdev->csr_start = pci_resource_start(nesdev->pcidev, BAR_0);
554 nesdev->doorbell_region = pci_resource_start(nesdev->pcidev, BAR_1);
555
556 /* Init the adapter */
557 nesdev->nesadapter = nes_init_adapter(nesdev, hw_rev);
558 if (!nesdev->nesadapter) {
559 printk(KERN_ERR PFX "Unable to initialize adapter.\n");
560 ret = -ENOMEM;
561 goto bail5;
562 }
563 nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval;
564 nesdev->nesadapter->wqm_quanta = wqm_quanta;
565
566 /* nesdev->base_doorbell_index =
567 nesdev->nesadapter->pd_config_base[PCI_FUNC(nesdev->pcidev->devfn)]; */
568 nesdev->base_doorbell_index = 1;
569 nesdev->doorbell_start = nesdev->nesadapter->doorbell_start;
570 if (nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
571 switch (PCI_FUNC(nesdev->pcidev->devfn) %
572 nesdev->nesadapter->port_count) {
573 case 1:
574 nesdev->mac_index = 2;
575 break;
576 case 2:
577 nesdev->mac_index = 1;
578 break;
579 case 3:
580 nesdev->mac_index = 3;
581 break;
582 case 0:
583 default:
584 nesdev->mac_index = 0;
585 }
586 } else {
587 nesdev->mac_index = PCI_FUNC(nesdev->pcidev->devfn) %
588 nesdev->nesadapter->port_count;
589 }
590
591 if ((limit_maxrdreqsz ||
592 ((nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_GLADIUS) &&
593 (hw_rev == NE020_REV1))) &&
594 (pcie_get_readrq(pcidev) > 256)) {
595 if (pcie_set_readrq(pcidev, 256))
596 printk(KERN_ERR PFX "Unable to set max read request"
597 " to 256 bytes\n");
598 else
599 nes_debug(NES_DBG_INIT, "Max read request size set"
600 " to 256 bytes\n");
601 }
602
603 tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev);
604
605 /* bring up the Control QP */
606 if (nes_init_cqp(nesdev)) {
607 ret = -ENODEV;
608 goto bail6;
609 }
610
611 /* Arm the CCQ */
612 nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT |
613 PCI_FUNC(nesdev->pcidev->devfn));
614 nes_read32(nesdev->regs+NES_CQE_ALLOC);
615
616 /* Enable the interrupts */
617 nesdev->int_req = (0x101 << PCI_FUNC(nesdev->pcidev->devfn)) |
618 (1 << (PCI_FUNC(nesdev->pcidev->devfn)+16));
619 if (PCI_FUNC(nesdev->pcidev->devfn) < 4) {
620 nesdev->int_req |= (1 << (PCI_FUNC(nesdev->mac_index)+24));
621 }
622
623 /* TODO: This really should be the first driver to load, not function 0 */
624 if (PCI_FUNC(nesdev->pcidev->devfn) == 0) {
625 /* pick up PCI and critical errors if the first driver to load */
626 nesdev->intf_int_req = NES_INTF_INT_PCIERR | NES_INTF_INT_CRITERR;
627 nesdev->int_req |= NES_INT_INTF;
628 } else {
629 nesdev->intf_int_req = 0;
630 }
631 nesdev->intf_int_req |= (1 << (PCI_FUNC(nesdev->pcidev->devfn)+16));
632 nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS0, 0);
633 nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS1, 0);
634 nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS2, 0x00001265);
635 nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS4, 0x18021804);
636
637 nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS3, 0x17801790);
638
639 /* deal with both periodic and one_shot */
640 nesdev->timer_int_req = 0x101 << PCI_FUNC(nesdev->pcidev->devfn);
641 nesdev->nesadapter->timer_int_req |= nesdev->timer_int_req;
642 nes_debug(NES_DBG_INIT, "setting int_req for function %u, nesdev = 0x%04X, adapter = 0x%04X\n",
643 PCI_FUNC(nesdev->pcidev->devfn),
644 nesdev->timer_int_req, nesdev->nesadapter->timer_int_req);
645
646 nes_write32(nesdev->regs+NES_INTF_INT_MASK, ~(nesdev->intf_int_req));
647
648 list_add_tail(&nesdev->list, &nes_dev_list);
649
650 /* Request an interrupt line for the driver */
651 ret = request_irq(pcidev->irq, nes_interrupt, IRQF_SHARED, DRV_NAME, nesdev);
652 if (ret) {
653 printk(KERN_ERR PFX "%s: requested IRQ %u is busy\n",
654 pci_name(pcidev), pcidev->irq);
655 goto bail65;
656 }
657
658 nes_write32(nesdev->regs+NES_INT_MASK, ~nesdev->int_req);
659
660 if (nes_notifiers_registered == 0) {
661 register_inetaddr_notifier(&nes_inetaddr_notifier);
662 register_netevent_notifier(&nes_net_notifier);
663 }
664 nes_notifiers_registered++;
665
666 /* Initialize network devices */
667 if ((netdev = nes_netdev_init(nesdev, mmio_regs)) == NULL) {
668 goto bail7;
669 }
670
671 /* Register network device */
672 ret = register_netdev(netdev);
673 if (ret) {
674 printk(KERN_ERR PFX "Unable to register netdev, ret = %d\n", ret);
675 nes_netdev_destroy(netdev);
676 goto bail7;
677 }
678
679 nes_print_macaddr(netdev);
680 /* create a CM core for this netdev */
681 nesvnic = netdev_priv(netdev);
682
683 nesdev->netdev_count++;
684 nesdev->nesadapter->netdev_count++;
685
686
687 printk(KERN_ERR PFX "%s: NetEffect RNIC driver successfully loaded.\n",
688 pci_name(pcidev));
689 return 0;
690
691 bail7:
692 printk(KERN_ERR PFX "bail7\n");
693 while (nesdev->netdev_count > 0) {
694 nesdev->netdev_count--;
695 nesdev->nesadapter->netdev_count--;
696
697 unregister_netdev(nesdev->netdev[nesdev->netdev_count]);
698 nes_netdev_destroy(nesdev->netdev[nesdev->netdev_count]);
699 }
700
701 nes_debug(NES_DBG_INIT, "netdev_count=%d, nesadapter->netdev_count=%d\n",
702 nesdev->netdev_count, nesdev->nesadapter->netdev_count);
703
704 nes_notifiers_registered--;
705 if (nes_notifiers_registered == 0) {
706 unregister_netevent_notifier(&nes_net_notifier);
707 unregister_inetaddr_notifier(&nes_inetaddr_notifier);
708 }
709
710 list_del(&nesdev->list);
711 nes_destroy_cqp(nesdev);
712
713 bail65:
714 printk(KERN_ERR PFX "bail65\n");
715 free_irq(pcidev->irq, nesdev);
716 if (nesdev->msi_enabled) {
717 pci_disable_msi(pcidev);
718 }
719 bail6:
720 printk(KERN_ERR PFX "bail6\n");
721 tasklet_kill(&nesdev->dpc_tasklet);
722 /* Deallocate the Adapter Structure */
723 nes_destroy_adapter(nesdev->nesadapter);
724
725 bail5:
726 printk(KERN_ERR PFX "bail5\n");
727 iounmap(nesdev->regs);
728
729 bail3:
730 printk(KERN_ERR PFX "bail3\n");
731 kfree(nesdev);
732
733 bail2:
734 pci_release_regions(pcidev);
735
736 bail1:
737 pci_disable_device(pcidev);
738
739 bail0:
740 return ret;
741 }
742
743
744 /**
745 * nes_remove - unload from kernel
746 */
747 static void __devexit nes_remove(struct pci_dev *pcidev)
748 {
749 struct nes_device *nesdev = pci_get_drvdata(pcidev);
750 struct net_device *netdev;
751 int netdev_index = 0;
752
753 if (nesdev->netdev_count) {
754 netdev = nesdev->netdev[netdev_index];
755 if (netdev) {
756 netif_stop_queue(netdev);
757 unregister_netdev(netdev);
758 nes_netdev_destroy(netdev);
759
760 nesdev->netdev[netdev_index] = NULL;
761 nesdev->netdev_count--;
762 nesdev->nesadapter->netdev_count--;
763 }
764 }
765
766 nes_notifiers_registered--;
767 if (nes_notifiers_registered == 0) {
768 unregister_netevent_notifier(&nes_net_notifier);
769 unregister_inetaddr_notifier(&nes_inetaddr_notifier);
770 }
771
772 list_del(&nesdev->list);
773 nes_destroy_cqp(nesdev);
774
775 free_irq(pcidev->irq, nesdev);
776 tasklet_kill(&nesdev->dpc_tasklet);
777
778 /* Deallocate the Adapter Structure */
779 nes_destroy_adapter(nesdev->nesadapter);
780
781 if (nesdev->msi_enabled) {
782 pci_disable_msi(pcidev);
783 }
784
785 iounmap(nesdev->regs);
786 kfree(nesdev);
787
788 /* nes_debug(NES_DBG_SHUTDOWN, "calling pci_release_regions.\n"); */
789 pci_release_regions(pcidev);
790 pci_disable_device(pcidev);
791 pci_set_drvdata(pcidev, NULL);
792 }
793
794
795 static struct pci_driver nes_pci_driver = {
796 .name = DRV_NAME,
797 .id_table = nes_pci_table,
798 .probe = nes_probe,
799 .remove = __devexit_p(nes_remove),
800 };
801
802 static ssize_t nes_show_adapter(struct device_driver *ddp, char *buf)
803 {
804 unsigned int devfn = 0xffffffff;
805 unsigned char bus_number = 0xff;
806 unsigned int i = 0;
807 struct nes_device *nesdev;
808
809 list_for_each_entry(nesdev, &nes_dev_list, list) {
810 if (i == ee_flsh_adapter) {
811 devfn = nesdev->pcidev->devfn;
812 bus_number = nesdev->pcidev->bus->number;
813 break;
814 }
815 i++;
816 }
817
818 return snprintf(buf, PAGE_SIZE, "%x:%x\n", bus_number, devfn);
819 }
820
821 static ssize_t nes_store_adapter(struct device_driver *ddp,
822 const char *buf, size_t count)
823 {
824 char *p = (char *)buf;
825
826 ee_flsh_adapter = simple_strtoul(p, &p, 10);
827 return strnlen(buf, count);
828 }
829
830 static ssize_t nes_show_ee_cmd(struct device_driver *ddp, char *buf)
831 {
832 u32 eeprom_cmd = 0xdead;
833 u32 i = 0;
834 struct nes_device *nesdev;
835
836 list_for_each_entry(nesdev, &nes_dev_list, list) {
837 if (i == ee_flsh_adapter) {
838 eeprom_cmd = nes_read32(nesdev->regs + NES_EEPROM_COMMAND);
839 break;
840 }
841 i++;
842 }
843 return snprintf(buf, PAGE_SIZE, "0x%x\n", eeprom_cmd);
844 }
845
846 static ssize_t nes_store_ee_cmd(struct device_driver *ddp,
847 const char *buf, size_t count)
848 {
849 char *p = (char *)buf;
850 u32 val;
851 u32 i = 0;
852 struct nes_device *nesdev;
853
854 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
855 val = simple_strtoul(p, &p, 16);
856 list_for_each_entry(nesdev, &nes_dev_list, list) {
857 if (i == ee_flsh_adapter) {
858 nes_write32(nesdev->regs + NES_EEPROM_COMMAND, val);
859 break;
860 }
861 i++;
862 }
863 }
864 return strnlen(buf, count);
865 }
866
867 static ssize_t nes_show_ee_data(struct device_driver *ddp, char *buf)
868 {
869 u32 eeprom_data = 0xdead;
870 u32 i = 0;
871 struct nes_device *nesdev;
872
873 list_for_each_entry(nesdev, &nes_dev_list, list) {
874 if (i == ee_flsh_adapter) {
875 eeprom_data = nes_read32(nesdev->regs + NES_EEPROM_DATA);
876 break;
877 }
878 i++;
879 }
880
881 return snprintf(buf, PAGE_SIZE, "0x%x\n", eeprom_data);
882 }
883
884 static ssize_t nes_store_ee_data(struct device_driver *ddp,
885 const char *buf, size_t count)
886 {
887 char *p = (char *)buf;
888 u32 val;
889 u32 i = 0;
890 struct nes_device *nesdev;
891
892 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
893 val = simple_strtoul(p, &p, 16);
894 list_for_each_entry(nesdev, &nes_dev_list, list) {
895 if (i == ee_flsh_adapter) {
896 nes_write32(nesdev->regs + NES_EEPROM_DATA, val);
897 break;
898 }
899 i++;
900 }
901 }
902 return strnlen(buf, count);
903 }
904
905 static ssize_t nes_show_flash_cmd(struct device_driver *ddp, char *buf)
906 {
907 u32 flash_cmd = 0xdead;
908 u32 i = 0;
909 struct nes_device *nesdev;
910
911 list_for_each_entry(nesdev, &nes_dev_list, list) {
912 if (i == ee_flsh_adapter) {
913 flash_cmd = nes_read32(nesdev->regs + NES_FLASH_COMMAND);
914 break;
915 }
916 i++;
917 }
918
919 return snprintf(buf, PAGE_SIZE, "0x%x\n", flash_cmd);
920 }
921
922 static ssize_t nes_store_flash_cmd(struct device_driver *ddp,
923 const char *buf, size_t count)
924 {
925 char *p = (char *)buf;
926 u32 val;
927 u32 i = 0;
928 struct nes_device *nesdev;
929
930 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
931 val = simple_strtoul(p, &p, 16);
932 list_for_each_entry(nesdev, &nes_dev_list, list) {
933 if (i == ee_flsh_adapter) {
934 nes_write32(nesdev->regs + NES_FLASH_COMMAND, val);
935 break;
936 }
937 i++;
938 }
939 }
940 return strnlen(buf, count);
941 }
942
943 static ssize_t nes_show_flash_data(struct device_driver *ddp, char *buf)
944 {
945 u32 flash_data = 0xdead;
946 u32 i = 0;
947 struct nes_device *nesdev;
948
949 list_for_each_entry(nesdev, &nes_dev_list, list) {
950 if (i == ee_flsh_adapter) {
951 flash_data = nes_read32(nesdev->regs + NES_FLASH_DATA);
952 break;
953 }
954 i++;
955 }
956
957 return snprintf(buf, PAGE_SIZE, "0x%x\n", flash_data);
958 }
959
960 static ssize_t nes_store_flash_data(struct device_driver *ddp,
961 const char *buf, size_t count)
962 {
963 char *p = (char *)buf;
964 u32 val;
965 u32 i = 0;
966 struct nes_device *nesdev;
967
968 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
969 val = simple_strtoul(p, &p, 16);
970 list_for_each_entry(nesdev, &nes_dev_list, list) {
971 if (i == ee_flsh_adapter) {
972 nes_write32(nesdev->regs + NES_FLASH_DATA, val);
973 break;
974 }
975 i++;
976 }
977 }
978 return strnlen(buf, count);
979 }
980
981 static ssize_t nes_show_nonidx_addr(struct device_driver *ddp, char *buf)
982 {
983 return snprintf(buf, PAGE_SIZE, "0x%x\n", sysfs_nonidx_addr);
984 }
985
986 static ssize_t nes_store_nonidx_addr(struct device_driver *ddp,
987 const char *buf, size_t count)
988 {
989 char *p = (char *)buf;
990
991 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X')
992 sysfs_nonidx_addr = simple_strtoul(p, &p, 16);
993
994 return strnlen(buf, count);
995 }
996
997 static ssize_t nes_show_nonidx_data(struct device_driver *ddp, char *buf)
998 {
999 u32 nonidx_data = 0xdead;
1000 u32 i = 0;
1001 struct nes_device *nesdev;
1002
1003 list_for_each_entry(nesdev, &nes_dev_list, list) {
1004 if (i == ee_flsh_adapter) {
1005 nonidx_data = nes_read32(nesdev->regs + sysfs_nonidx_addr);
1006 break;
1007 }
1008 i++;
1009 }
1010
1011 return snprintf(buf, PAGE_SIZE, "0x%x\n", nonidx_data);
1012 }
1013
1014 static ssize_t nes_store_nonidx_data(struct device_driver *ddp,
1015 const char *buf, size_t count)
1016 {
1017 char *p = (char *)buf;
1018 u32 val;
1019 u32 i = 0;
1020 struct nes_device *nesdev;
1021
1022 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
1023 val = simple_strtoul(p, &p, 16);
1024 list_for_each_entry(nesdev, &nes_dev_list, list) {
1025 if (i == ee_flsh_adapter) {
1026 nes_write32(nesdev->regs + sysfs_nonidx_addr, val);
1027 break;
1028 }
1029 i++;
1030 }
1031 }
1032 return strnlen(buf, count);
1033 }
1034
1035 static ssize_t nes_show_idx_addr(struct device_driver *ddp, char *buf)
1036 {
1037 return snprintf(buf, PAGE_SIZE, "0x%x\n", sysfs_idx_addr);
1038 }
1039
1040 static ssize_t nes_store_idx_addr(struct device_driver *ddp,
1041 const char *buf, size_t count)
1042 {
1043 char *p = (char *)buf;
1044
1045 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X')
1046 sysfs_idx_addr = simple_strtoul(p, &p, 16);
1047
1048 return strnlen(buf, count);
1049 }
1050
1051 static ssize_t nes_show_idx_data(struct device_driver *ddp, char *buf)
1052 {
1053 u32 idx_data = 0xdead;
1054 u32 i = 0;
1055 struct nes_device *nesdev;
1056
1057 list_for_each_entry(nesdev, &nes_dev_list, list) {
1058 if (i == ee_flsh_adapter) {
1059 idx_data = nes_read_indexed(nesdev, sysfs_idx_addr);
1060 break;
1061 }
1062 i++;
1063 }
1064
1065 return snprintf(buf, PAGE_SIZE, "0x%x\n", idx_data);
1066 }
1067
1068 static ssize_t nes_store_idx_data(struct device_driver *ddp,
1069 const char *buf, size_t count)
1070 {
1071 char *p = (char *)buf;
1072 u32 val;
1073 u32 i = 0;
1074 struct nes_device *nesdev;
1075
1076 if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
1077 val = simple_strtoul(p, &p, 16);
1078 list_for_each_entry(nesdev, &nes_dev_list, list) {
1079 if (i == ee_flsh_adapter) {
1080 nes_write_indexed(nesdev, sysfs_idx_addr, val);
1081 break;
1082 }
1083 i++;
1084 }
1085 }
1086 return strnlen(buf, count);
1087 }
1088
1089
1090 /**
1091 * nes_show_wqm_quanta
1092 */
1093 static ssize_t nes_show_wqm_quanta(struct device_driver *ddp, char *buf)
1094 {
1095 u32 wqm_quanta_value = 0xdead;
1096 u32 i = 0;
1097 struct nes_device *nesdev;
1098
1099 list_for_each_entry(nesdev, &nes_dev_list, list) {
1100 if (i == ee_flsh_adapter) {
1101 wqm_quanta_value = nesdev->nesadapter->wqm_quanta;
1102 break;
1103 }
1104 i++;
1105 }
1106
1107 return snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta);
1108 }
1109
1110
1111 /**
1112 * nes_store_wqm_quanta
1113 */
1114 static ssize_t nes_store_wqm_quanta(struct device_driver *ddp,
1115 const char *buf, size_t count)
1116 {
1117 unsigned long wqm_quanta_value;
1118 u32 wqm_config1;
1119 u32 i = 0;
1120 struct nes_device *nesdev;
1121
1122 strict_strtoul(buf, 0, &wqm_quanta_value);
1123 list_for_each_entry(nesdev, &nes_dev_list, list) {
1124 if (i == ee_flsh_adapter) {
1125 nesdev->nesadapter->wqm_quanta = wqm_quanta_value;
1126 wqm_config1 = nes_read_indexed(nesdev,
1127 NES_IDX_WQM_CONFIG1);
1128 nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1,
1129 ((wqm_quanta_value << 1) |
1130 (wqm_config1 & 0x00000001)));
1131 break;
1132 }
1133 i++;
1134 }
1135 return strnlen(buf, count);
1136 }
1137
1138 static DRIVER_ATTR(adapter, S_IRUSR | S_IWUSR,
1139 nes_show_adapter, nes_store_adapter);
1140 static DRIVER_ATTR(eeprom_cmd, S_IRUSR | S_IWUSR,
1141 nes_show_ee_cmd, nes_store_ee_cmd);
1142 static DRIVER_ATTR(eeprom_data, S_IRUSR | S_IWUSR,
1143 nes_show_ee_data, nes_store_ee_data);
1144 static DRIVER_ATTR(flash_cmd, S_IRUSR | S_IWUSR,
1145 nes_show_flash_cmd, nes_store_flash_cmd);
1146 static DRIVER_ATTR(flash_data, S_IRUSR | S_IWUSR,
1147 nes_show_flash_data, nes_store_flash_data);
1148 static DRIVER_ATTR(nonidx_addr, S_IRUSR | S_IWUSR,
1149 nes_show_nonidx_addr, nes_store_nonidx_addr);
1150 static DRIVER_ATTR(nonidx_data, S_IRUSR | S_IWUSR,
1151 nes_show_nonidx_data, nes_store_nonidx_data);
1152 static DRIVER_ATTR(idx_addr, S_IRUSR | S_IWUSR,
1153 nes_show_idx_addr, nes_store_idx_addr);
1154 static DRIVER_ATTR(idx_data, S_IRUSR | S_IWUSR,
1155 nes_show_idx_data, nes_store_idx_data);
1156 static DRIVER_ATTR(wqm_quanta, S_IRUSR | S_IWUSR,
1157 nes_show_wqm_quanta, nes_store_wqm_quanta);
1158
1159 static int nes_create_driver_sysfs(struct pci_driver *drv)
1160 {
1161 int error;
1162 error = driver_create_file(&drv->driver, &driver_attr_adapter);
1163 error |= driver_create_file(&drv->driver, &driver_attr_eeprom_cmd);
1164 error |= driver_create_file(&drv->driver, &driver_attr_eeprom_data);
1165 error |= driver_create_file(&drv->driver, &driver_attr_flash_cmd);
1166 error |= driver_create_file(&drv->driver, &driver_attr_flash_data);
1167 error |= driver_create_file(&drv->driver, &driver_attr_nonidx_addr);
1168 error |= driver_create_file(&drv->driver, &driver_attr_nonidx_data);
1169 error |= driver_create_file(&drv->driver, &driver_attr_idx_addr);
1170 error |= driver_create_file(&drv->driver, &driver_attr_idx_data);
1171 error |= driver_create_file(&drv->driver, &driver_attr_wqm_quanta);
1172 return error;
1173 }
1174
1175 static void nes_remove_driver_sysfs(struct pci_driver *drv)
1176 {
1177 driver_remove_file(&drv->driver, &driver_attr_adapter);
1178 driver_remove_file(&drv->driver, &driver_attr_eeprom_cmd);
1179 driver_remove_file(&drv->driver, &driver_attr_eeprom_data);
1180 driver_remove_file(&drv->driver, &driver_attr_flash_cmd);
1181 driver_remove_file(&drv->driver, &driver_attr_flash_data);
1182 driver_remove_file(&drv->driver, &driver_attr_nonidx_addr);
1183 driver_remove_file(&drv->driver, &driver_attr_nonidx_data);
1184 driver_remove_file(&drv->driver, &driver_attr_idx_addr);
1185 driver_remove_file(&drv->driver, &driver_attr_idx_data);
1186 driver_remove_file(&drv->driver, &driver_attr_wqm_quanta);
1187 }
1188
1189 /**
1190 * nes_init_module - module initialization entry point
1191 */
1192 static int __init nes_init_module(void)
1193 {
1194 int retval;
1195 int retval1;
1196
1197 retval = nes_cm_start();
1198 if (retval) {
1199 printk(KERN_ERR PFX "Unable to start NetEffect iWARP CM.\n");
1200 return retval;
1201 }
1202 retval = pci_register_driver(&nes_pci_driver);
1203 if (retval >= 0) {
1204 retval1 = nes_create_driver_sysfs(&nes_pci_driver);
1205 if (retval1 < 0)
1206 printk(KERN_ERR PFX "Unable to create NetEffect sys files.\n");
1207 }
1208 return retval;
1209 }
1210
1211
1212 /**
1213 * nes_exit_module - module unload entry point
1214 */
1215 static void __exit nes_exit_module(void)
1216 {
1217 nes_cm_stop();
1218 nes_remove_driver_sysfs(&nes_pci_driver);
1219
1220 pci_unregister_driver(&nes_pci_driver);
1221 }
1222
1223
1224 module_init(nes_init_module);
1225 module_exit(nes_exit_module);
kernel source for telekom puls (alcatel/mediatek)