1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2008 NetXen, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25 /*
26 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
27 * Use is subject to license terms.
28 */
29 #include <sys/types.h>
30 #include <sys/conf.h>
31 #include <sys/debug.h>
32 #include <sys/stropts.h>
33 #include <sys/stream.h>
34 #include <sys/strlog.h>
35 #include <sys/kmem.h>
36 #include <sys/stat.h>
37 #include <sys/kstat.h>
38 #include <sys/vtrace.h>
39 #include <sys/dlpi.h>
40 #include <sys/strsun.h>
41 #include <sys/ethernet.h>
42 #include <sys/modctl.h>
43 #include <sys/errno.h>
44 #include <sys/dditypes.h>
45 #include <sys/ddi.h>
46 #include <sys/sunddi.h>
47 #include <sys/sysmacros.h>
48 #include <sys/pci.h>
49 #include <sys/ddi_intr.h>
50
51 #include "unm_nic.h"
52 #include "unm_nic_hw.h"
53 #include "unm_brdcfg.h"
54 #include "nic_cmn.h"
55 #include "nic_phan_reg.h"
56 #include "unm_nic_ioctl.h"
57 #include "nx_hw_pci_regs.h"
58
59 char ident[] = "Netxen nic driver v" UNM_NIC_VERSIONID;
60 char unm_nic_driver_name[] = "ntxn";
61 int verbmsg = 0;
62
63 static char txbcopythreshold_propname[] = "tx_bcopy_threshold";
64 static char rxbcopythreshold_propname[] = "rx_bcopy_threshold";
65 static char rxringsize_propname[] = "rx_ring_size";
66 static char jumborxringsize_propname[] = "jumbo_rx_ring_size";
67 static char txringsize_propname[] = "tx_ring_size";
68 static char defaultmtu_propname[] = "default_mtu";
69 static char dmesg_propname[] = "verbose_driver";
70
71 #define STRUCT_COPY(a, b) bcopy(&(b), &(a), sizeof (a))
72
73 extern int unm_register_mac(unm_adapter *adapter);
74 extern void unm_fini_kstats(unm_adapter* adapter);
75 extern void unm_nic_remove(unm_adapter *adapter);
76 extern int unm_nic_suspend(unm_adapter *);
77 extern uint_t unm_intr(caddr_t, caddr_t);
78
79 /* Data access requirements. */
80 static struct ddi_device_acc_attr unm_dev_attr = {
81 DDI_DEVICE_ATTR_V0,
82 DDI_STRUCTURE_LE_ACC,
83 DDI_STRICTORDER_ACC
84 };
85
86 static struct ddi_device_acc_attr unm_buf_attr = {
87 DDI_DEVICE_ATTR_V0,
88 DDI_NEVERSWAP_ACC,
89 DDI_STRICTORDER_ACC
90 };
91
92 static ddi_dma_attr_t unm_dma_attr_desc = {
93 DMA_ATTR_V0, /* dma_attr_version */
94 0, /* dma_attr_addr_lo */
95 0xffffffffull, /* dma_attr_addr_hi */
96 0x000fffffull, /* dma_attr_count_max */
97 4096, /* dma_attr_align */
98 0x000fffffull, /* dma_attr_burstsizes */
99 4, /* dma_attr_minxfer */
100 0x003fffffull, /* dma_attr_maxxfer */
101 0xffffffffull, /* dma_attr_seg */
102 1, /* dma_attr_sgllen */
103 1, /* dma_attr_granular */
104 0 /* dma_attr_flags */
105 };
106
107 static ddi_dma_attr_t unm_dma_attr_rxbuf = {
108 DMA_ATTR_V0, /* dma_attr_version */
109 0, /* dma_attr_addr_lo */
110 0x7ffffffffULL, /* dma_attr_addr_hi */
111 0xffffull, /* dma_attr_count_max */
112 4096, /* dma_attr_align */
113 0xfff8ull, /* dma_attr_burstsizes */
114 1, /* dma_attr_minxfer */
115 0xffffffffull, /* dma_attr_maxxfer */
116 0xffffull, /* dma_attr_seg */
117 1, /* dma_attr_sgllen */
118 1, /* dma_attr_granular */
119 0 /* dma_attr_flags */
120 };
121
122 static ddi_dma_attr_t unm_dma_attr_cmddesc = {
123 DMA_ATTR_V0, /* dma_attr_version */
124 0, /* dma_attr_addr_lo */
125 0x7ffffffffULL, /* dma_attr_addr_hi */
126 0xffffull, /* dma_attr_count_max */
127 1, /* dma_attr_align */
128 0xfff8ull, /* dma_attr_burstsizes */
129 1, /* dma_attr_minxfer */
130 0xffff0ull, /* dma_attr_maxxfer */
131 0xffffull, /* dma_attr_seg */
132 16, /* dma_attr_sgllen */
133 1, /* dma_attr_granular */
134 0 /* dma_attr_flags */
135 };
136
137 static struct nx_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
138
139 static int
140 check_hw_init(struct unm_adapter_s *adapter)
141 {
142 u32 val;
143 int ret = 0;
144
145 adapter->unm_nic_hw_read_wx(adapter, UNM_CAM_RAM(0x1fc), &val, 4);
146 if (val == 0x55555555) {
147 /* This is the first boot after power up */
148 adapter->unm_nic_hw_read_wx(adapter, UNM_ROMUSB_GLB_SW_RESET,
149 &val, 4);
150 if (val != 0x80000f)
151 ret = -1;
152
153 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
154 /* Start P2 boot loader */
155 adapter->unm_nic_pci_write_normalize(adapter,
156 UNM_CAM_RAM(0x1fc), UNM_BDINFO_MAGIC);
157 adapter->unm_nic_pci_write_normalize(adapter,
158 UNM_ROMUSB_GLB_PEGTUNE_DONE, 1);
159 }
160 }
161 return (ret);
162 }
163
164
165 static int
166 unm_get_flash_block(unm_adapter *adapter, int base, int size, uint32_t *buf)
167 {
168 int i, addr;
169 uint32_t *ptr32;
170
171 addr = base;
172 ptr32 = buf;
173 for (i = 0; i < size / sizeof (uint32_t); i++) {
174 if (rom_fast_read(adapter, addr, (int *)ptr32) == -1)
175 return (-1);
176 ptr32++;
177 addr += sizeof (uint32_t);
178 }
179 if ((char *)buf + size > (char *)ptr32) {
180 int local;
181
182 if (rom_fast_read(adapter, addr, &local) == -1)
183 return (-1);
184 (void) memcpy(ptr32, &local,
185 (uintptr_t)((char *)buf + size) - (uintptr_t)(char *)ptr32);
186 }
187
188 return (0);
189 }
190
191
192 static int
193 get_flash_mac_addr(struct unm_adapter_s *adapter, u64 mac[])
194 {
195 uint32_t *pmac = (uint32_t *)&mac[0];
196
197 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
198 uint32_t temp, crbaddr;
199 uint16_t *pmac16 = (uint16_t *)pmac;
200
201 // FOR P3, read from CAM RAM
202
203 int pci_func = adapter->ahw.pci_func;
204 pmac16 += (4 * pci_func);
205 crbaddr = CRB_MAC_BLOCK_START + (4 * ((pci_func/2) * 3)) +
206 (4 * (pci_func & 1));
207
208 adapter->unm_nic_hw_read_wx(adapter, crbaddr, &temp, 4);
209 if (pci_func & 1) {
210 *pmac16++ = (temp >> 16);
211 adapter->unm_nic_hw_read_wx(adapter, crbaddr+4,
212 &temp, 4);
213 *pmac16++ = (temp & 0xffff);
214 *pmac16++ = (temp >> 16);
215 *pmac16 = 0;
216 } else {
217 *pmac16++ = (temp & 0xffff);
218 *pmac16++ = (temp >> 16);
219 adapter->unm_nic_hw_read_wx(adapter, crbaddr+4,
220 &temp, 4);
221 *pmac16++ = (temp & 0xffff);
222 *pmac16 = 0;
223 }
224 return (0);
225 }
226
227
228 if (unm_get_flash_block(adapter, USER_START +
229 offsetof(unm_user_info_t, mac_addr), FLASH_NUM_PORTS * sizeof (U64),
230 pmac) == -1)
231 return (-1);
232
233 if (*mac == ~0ULL) {
234 if (unm_get_flash_block(adapter, USER_START_OLD +
235 offsetof(unm_old_user_info_t, mac_addr),
236 FLASH_NUM_PORTS * sizeof (U64), pmac) == -1)
237 return (-1);
238
239 if (*mac == ~0ULL)
240 return (-1);
241 }
242
243 return (0);
244 }
245
246 static int
247 unm_initialize_dummy_dma(unm_adapter *adapter)
248 {
249 uint32_t hi, lo, temp;
250 ddi_dma_cookie_t cookie;
251
252 if (unm_pci_alloc_consistent(adapter, UNM_HOST_DUMMY_DMA_SIZE,
253 (caddr_t *)&adapter->dummy_dma.addr, &cookie,
254 &adapter->dummy_dma.dma_handle,
255 &adapter->dummy_dma.acc_handle) != DDI_SUCCESS) {
256 cmn_err(CE_WARN, "%s%d: Unable to alloc dummy dma buf\n",
257 adapter->name, adapter->instance);
258 return (DDI_ENOMEM);
259 }
260
261 adapter->dummy_dma.phys_addr = cookie.dmac_laddress;
262
263 hi = (adapter->dummy_dma.phys_addr >> 32) & 0xffffffff;
264 lo = adapter->dummy_dma.phys_addr & 0xffffffff;
265
266 UNM_READ_LOCK(&adapter->adapter_lock);
267 adapter->unm_nic_hw_write_wx(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI,
268 &hi, 4);
269 adapter->unm_nic_hw_write_wx(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO,
270 &lo, 4);
271 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
272 temp = DUMMY_BUF_INIT;
273 adapter->unm_nic_hw_write_wx(adapter, CRB_HOST_DUMMY_BUF,
274 &temp, 4);
275 }
276 UNM_READ_UNLOCK(&adapter->adapter_lock);
277
278 return (DDI_SUCCESS);
279 }
280
281 void
282 unm_free_dummy_dma(unm_adapter *adapter)
283 {
284 if (adapter->dummy_dma.addr) {
285 unm_pci_free_consistent(&adapter->dummy_dma.dma_handle,
286 &adapter->dummy_dma.acc_handle);
287 adapter->dummy_dma.addr = NULL;
288 }
289 }
290
291 static int
292 unm_pci_cfg_init(unm_adapter *adapter)
293 {
294 hardware_context *hwcontext;
295 ddi_acc_handle_t pci_cfg_hdl;
296 int *reg_options;
297 dev_info_t *dip;
298 uint_t noptions;
299 int ret;
300 uint16_t vendor_id, pci_cmd_word;
301 uint8_t base_class, sub_class, prog_class;
302 uint32_t pexsizes;
303 struct nx_legacy_intr_set *legacy_intrp;
304
305 hwcontext = &adapter->ahw;
306 pci_cfg_hdl = adapter->pci_cfg_handle;
307 dip = adapter->dip;
308
309 vendor_id = pci_config_get16(pci_cfg_hdl, PCI_CONF_VENID);
310
311 if (vendor_id != 0x4040) {
312 cmn_err(CE_WARN, "%s%d: vendor id %x not 0x4040\n",
313 adapter->name, adapter->instance, vendor_id);
314 return (DDI_FAILURE);
315 }
316
317 ret = ddi_prop_lookup_int_array(DDI_DEV_T_ANY,
318 dip, 0, "reg", ®_options, &noptions);
319 if (ret != DDI_PROP_SUCCESS) {
320 cmn_err(CE_WARN, "%s%d: Could not determine reg property\n",
321 adapter->name, adapter->instance);
322 return (DDI_FAILURE);
323 }
324
325 hwcontext->pci_func = (reg_options[0] >> 8) & 0x7;
326 ddi_prop_free(reg_options);
327
328 base_class = pci_config_get8(pci_cfg_hdl, PCI_CONF_BASCLASS);
329 sub_class = pci_config_get8(pci_cfg_hdl, PCI_CONF_SUBCLASS);
330 prog_class = pci_config_get8(pci_cfg_hdl, PCI_CONF_PROGCLASS);
331
332 /*
333 * Need this check so that MEZZ card mgmt interface ntxn0 could fail
334 * attach & return and proceed to next interfaces ntxn1 and ntxn2
335 */
336 if ((base_class != 0x02) || (sub_class != 0) || (prog_class != 0)) {
337 cmn_err(CE_WARN, "%s%d: Base/sub/prog class problem %d/%d/%d\n",
338 adapter->name, adapter->instance, base_class, sub_class,
339 prog_class);
340 return (DDI_FAILURE);
341 }
342
343 hwcontext->revision_id = pci_config_get8(pci_cfg_hdl, PCI_CONF_REVID);
344
345 /*
346 * Refuse to work with dubious P3 cards.
347 */
348 if ((hwcontext->revision_id >= NX_P3_A0) &&
349 (hwcontext->revision_id < NX_P3_B1)) {
350 cmn_err(CE_WARN, "%s%d: NetXen chip revs between 0x%x-0x%x "
351 "is unsupported\n", adapter->name, adapter->instance,
352 NX_P3_A0, NX_P3_B0);
353 return (DDI_FAILURE);
354 }
355
356 /*
357 * Save error reporting settings; clear [19:16] error status bits.
358 * Set max read request [14:12] to 0 for 128 bytes. Set max payload
359 * size[7:5] to 0 for for 128 bytes.
360 */
361 if (NX_IS_REVISION_P2(hwcontext->revision_id)) {
362 pexsizes = pci_config_get32(pci_cfg_hdl, 0xd8);
363 pexsizes &= 7;
364 pexsizes |= 0xF0000;
365 pci_config_put32(pci_cfg_hdl, 0xd8, pexsizes);
366 }
367
368 pci_cmd_word = pci_config_get16(pci_cfg_hdl, PCI_CONF_COMM);
369 pci_cmd_word |= (PCI_COMM_INTX_DISABLE | PCI_COMM_SERR_ENABLE);
370 pci_config_put16(pci_cfg_hdl, PCI_CONF_COMM, pci_cmd_word);
371
372 if (hwcontext->revision_id >= NX_P3_B0)
373 legacy_intrp = &legacy_intr[hwcontext->pci_func];
374 else
375 legacy_intrp = &legacy_intr[0];
376
377 adapter->legacy_intr.int_vec_bit = legacy_intrp->int_vec_bit;
378 adapter->legacy_intr.tgt_status_reg = legacy_intrp->tgt_status_reg;
379 adapter->legacy_intr.tgt_mask_reg = legacy_intrp->tgt_mask_reg;
380 adapter->legacy_intr.pci_int_reg = legacy_intrp->pci_int_reg;
381
382 return (DDI_SUCCESS);
383 }
384
385 static void
386 unm_free_tx_dmahdl(unm_adapter *adapter)
387 {
388 int i;
389 unm_dmah_node_t *nodep;
390
391 mutex_enter(&adapter->tx_lock);
392 nodep = &adapter->tx_dma_hdls[0];
393
394 for (i = 0; i < adapter->MaxTxDescCount + EXTRA_HANDLES; i++) {
395 if (nodep->dmahdl != NULL) {
396 ddi_dma_free_handle(&nodep->dmahdl);
397 nodep->dmahdl = NULL;
398 }
399 nodep->next = NULL;
400 nodep++;
401 }
402
403 adapter->dmahdl_pool = NULL;
404 adapter->freehdls = 0;
405 mutex_exit(&adapter->tx_lock);
406 }
407
408 static int
409 unm_alloc_tx_dmahdl(unm_adapter *adapter)
410 {
411 int i;
412 unm_dmah_node_t *nodep = &adapter->tx_dma_hdls[0];
413
414 mutex_enter(&adapter->tx_lock);
415 for (i = 0; i < adapter->MaxTxDescCount + EXTRA_HANDLES; i++) {
416 if (ddi_dma_alloc_handle(adapter->dip, &unm_dma_attr_cmddesc,
417 DDI_DMA_DONTWAIT, NULL, &nodep->dmahdl) != DDI_SUCCESS) {
418 mutex_exit(&adapter->tx_lock);
419 goto alloc_hdl_fail;
420 }
421
422 if (i > 0)
423 nodep->next = nodep - 1;
424 nodep++;
425 }
426
427 adapter->dmahdl_pool = nodep - 1;
428 adapter->freehdls = i;
429 mutex_exit(&adapter->tx_lock);
430
431 return (DDI_SUCCESS);
432
433 alloc_hdl_fail:
434 unm_free_tx_dmahdl(adapter);
435 cmn_err(CE_WARN, "%s%d: Failed transmit ring dma handle allocation\n",
436 adapter->name, adapter->instance);
437 return (DDI_FAILURE);
438 }
439
440 static void
441 unm_free_dma_mem(dma_area_t *dma_p)
442 {
443 if (dma_p->dma_hdl != NULL) {
444 if (dma_p->ncookies) {
445 (void) ddi_dma_unbind_handle(dma_p->dma_hdl);
446 dma_p->ncookies = 0;
447 }
448 }
449 if (dma_p->acc_hdl != NULL) {
450 ddi_dma_mem_free(&dma_p->acc_hdl);
451 dma_p->acc_hdl = NULL;
452 }
453 if (dma_p->dma_hdl != NULL) {
454 ddi_dma_free_handle(&dma_p->dma_hdl);
455 dma_p->dma_hdl = NULL;
456 }
457 }
458
459 static int
460 unm_alloc_dma_mem(unm_adapter *adapter, int size, uint_t dma_flag,
461 ddi_dma_attr_t *dma_attr_p, dma_area_t *dma_p)
462 {
463 int ret;
464 caddr_t vaddr;
465 size_t actual_size;
466 ddi_dma_cookie_t cookie;
467
468 ret = ddi_dma_alloc_handle(adapter->dip,
469 dma_attr_p, DDI_DMA_DONTWAIT,
470 NULL, &dma_p->dma_hdl);
471 if (ret != DDI_SUCCESS) {
472 cmn_err(CE_WARN, "%s%d: Failed ddi_dma_alloc_handle\n",
473 adapter->name, adapter->instance);
474 goto dma_mem_fail;
475 }
476
477 ret = ddi_dma_mem_alloc(dma_p->dma_hdl,
478 size, &adapter->gc_attr_desc,
479 dma_flag & (DDI_DMA_STREAMING | DDI_DMA_CONSISTENT),
480 DDI_DMA_DONTWAIT, NULL, &vaddr, &actual_size,
481 &dma_p->acc_hdl);
482 if (ret != DDI_SUCCESS) {
483 cmn_err(CE_WARN, "%s%d: ddi_dma_mem_alloc() failed\n",
484 adapter->name, adapter->instance);
485 goto dma_mem_fail;
486 }
487
488 if (actual_size < size) {
489 cmn_err(CE_WARN, "%s%d: ddi_dma_mem_alloc() allocated small\n",
490 adapter->name, adapter->instance);
491 goto dma_mem_fail;
492 }
493
494 ret = ddi_dma_addr_bind_handle(dma_p->dma_hdl,
495 NULL, vaddr, size, dma_flag, DDI_DMA_DONTWAIT,
496 NULL, &cookie, &dma_p->ncookies);
497 if (ret != DDI_DMA_MAPPED || dma_p->ncookies != 1) {
498 cmn_err(CE_WARN, "%s%d: ddi_dma_addr_bind_handle() failed, "
499 "%d, %d\n", adapter->name, adapter->instance, ret,
500 dma_p->ncookies);
501 goto dma_mem_fail;
502 }
503
504 dma_p->dma_addr = cookie.dmac_laddress;
505 dma_p->vaddr = vaddr;
506 (void) memset(vaddr, 0, size);
507
508 return (DDI_SUCCESS);
509
510 dma_mem_fail:
511 unm_free_dma_mem(dma_p);
512 return (DDI_FAILURE);
513 }
514
515 static void
516 unm_free_tx_buffers(unm_adapter *adapter)
517 {
518 int i;
519 dma_area_t *dma_p;
520 struct unm_cmd_buffer *cmd_buf;
521 unm_dmah_node_t *nodep;
522
523 cmd_buf = &adapter->cmd_buf_arr[0];
524
525 for (i = 0; i < adapter->MaxTxDescCount; i++) {
526 dma_p = &cmd_buf->dma_area;
527 unm_free_dma_mem(dma_p);
528 nodep = cmd_buf->head;
529 while (nodep != NULL) {
530 (void) ddi_dma_unbind_handle(nodep->dmahdl);
531 nodep = nodep->next;
532 }
533 if (cmd_buf->msg != NULL)
534 freemsg(cmd_buf->msg);
535 cmd_buf++;
536 }
537 adapter->freecmds = 0;
538 }
539
540 static int
541 unm_alloc_tx_buffers(unm_adapter *adapter)
542 {
543 int i, ret, size, allocated = 0;
544 dma_area_t *dma_p;
545 struct unm_cmd_buffer *cmd_buf;
546
547 cmd_buf = &adapter->cmd_buf_arr[0];
548 size = adapter->maxmtu;
549
550 for (i = 0; i < adapter->MaxTxDescCount; i++) {
551 dma_p = &cmd_buf->dma_area;
552 ret = unm_alloc_dma_mem(adapter, size,
553 DDI_DMA_WRITE | DDI_DMA_STREAMING,
554 &unm_dma_attr_rxbuf, dma_p);
555 if (ret != DDI_SUCCESS)
556 goto alloc_tx_buffer_fail;
557
558 allocated++;
559 cmd_buf++;
560 }
561 adapter->freecmds = adapter->MaxTxDescCount;
562 return (DDI_SUCCESS);
563
564 alloc_tx_buffer_fail:
565
566 cmd_buf = &adapter->cmd_buf_arr[0];
567 for (i = 0; i < allocated; i++) {
568 dma_p = &cmd_buf->dma_area;
569 unm_free_dma_mem(dma_p);
570 cmd_buf++;
571 }
572 cmn_err(CE_WARN, "%s%d: Failed transmit ring memory allocation\n",
573 adapter->name, adapter->instance);
574 return (DDI_FAILURE);
575 }
576
577 /*
578 * Called by freemsg() to "free" the resource.
579 */
580 static void
581 unm_rx_buffer_recycle(char *arg)
582 {
583 unm_rx_buffer_t *rx_buffer = (unm_rx_buffer_t *)(uintptr_t)arg;
584 unm_adapter *adapter = rx_buffer->adapter;
585 unm_rcv_desc_ctx_t *rcv_desc = rx_buffer->rcv_desc;
586
587 rx_buffer->mp = desballoc(rx_buffer->dma_info.vaddr,
588 rcv_desc->dma_size, 0, &rx_buffer->rx_recycle);
589
590 if (rx_buffer->mp == NULL)
591 adapter->stats.desballocfailed++;
592
593 mutex_enter(rcv_desc->recycle_lock);
594 rx_buffer->next = rcv_desc->recycle_list;
595 rcv_desc->recycle_list = rx_buffer;
596 rcv_desc->rx_buf_recycle++;
597 mutex_exit(rcv_desc->recycle_lock);
598 }
599
600 static void
601 unm_destroy_rx_ring(unm_rcv_desc_ctx_t *rcv_desc)
602 {
603 uint32_t i, total_buf;
604 unm_rx_buffer_t *buf_pool;
605
606 total_buf = rcv_desc->rx_buf_total;
607 buf_pool = rcv_desc->rx_buf_pool;
608 for (i = 0; i < total_buf; i++) {
609 if (buf_pool->mp != NULL)
610 freemsg(buf_pool->mp);
611 unm_free_dma_mem(&buf_pool->dma_info);
612 buf_pool++;
613 }
614
615 kmem_free(rcv_desc->rx_buf_pool, sizeof (unm_rx_buffer_t) * total_buf);
616 rcv_desc->rx_buf_pool = NULL;
617 rcv_desc->pool_list = NULL;
618 rcv_desc->recycle_list = NULL;
619 rcv_desc->rx_buf_free = 0;
620
621 mutex_destroy(rcv_desc->pool_lock);
622 mutex_destroy(rcv_desc->recycle_lock);
623 }
624
625 static int
626 unm_create_rx_ring(unm_adapter *adapter, unm_rcv_desc_ctx_t *rcv_desc)
627 {
628 int i, ret, allocate = 0, sreoff;
629 uint32_t total_buf;
630 dma_area_t *dma_info;
631 unm_rx_buffer_t *rx_buffer;
632
633 sreoff = adapter->ahw.cut_through ? 0 : IP_ALIGNMENT_BYTES;
634
635 /* temporarily set the total rx buffers two times of MaxRxDescCount */
636 total_buf = rcv_desc->rx_buf_total = rcv_desc->MaxRxDescCount * 2;
637
638 rcv_desc->rx_buf_pool = kmem_zalloc(sizeof (unm_rx_buffer_t) *
639 total_buf, KM_SLEEP);
640 rx_buffer = rcv_desc->rx_buf_pool;
641 for (i = 0; i < total_buf; i++) {
642 dma_info = &rx_buffer->dma_info;
643 ret = unm_alloc_dma_mem(adapter, rcv_desc->buf_size,
644 DDI_DMA_READ | DDI_DMA_STREAMING,
645 &unm_dma_attr_rxbuf, dma_info);
646 if (ret != DDI_SUCCESS)
647 goto alloc_mem_failed;
648 else {
649 allocate++;
650 dma_info->vaddr = (void *) ((char *)dma_info->vaddr +
651 sreoff);
652 dma_info->dma_addr += sreoff;
653 rx_buffer->rx_recycle.free_func =
654 unm_rx_buffer_recycle;
655 rx_buffer->rx_recycle.free_arg = (caddr_t)rx_buffer;
656 rx_buffer->next = NULL;
657 rx_buffer->mp = desballoc(dma_info->vaddr,
658 rcv_desc->dma_size, 0, &rx_buffer->rx_recycle);
659 if (rx_buffer->mp == NULL)
660 adapter->stats.desballocfailed++;
661 rx_buffer->rcv_desc = rcv_desc;
662 rx_buffer->adapter = adapter;
663 rx_buffer++;
664 }
665 }
666
667 for (i = 0; i < (total_buf - 1); i++) {
668 rcv_desc->rx_buf_pool[i].next = &rcv_desc->rx_buf_pool[i + 1];
669 }
670
671 rcv_desc->pool_list = rcv_desc->rx_buf_pool;
672 rcv_desc->recycle_list = NULL;
673 rcv_desc->rx_buf_free = total_buf;
674
675 mutex_init(rcv_desc->pool_lock, NULL,
676 MUTEX_DRIVER, (DDI_INTR_PRI(adapter->intr_pri)));
677 mutex_init(rcv_desc->recycle_lock, NULL,
678 MUTEX_DRIVER, (DDI_INTR_PRI(adapter->intr_pri)));
679
680 return (DDI_SUCCESS);
681
682 alloc_mem_failed:
683 rx_buffer = rcv_desc->rx_buf_pool;
684 for (i = 0; i < allocate; i++, rx_buffer++) {
685 dma_info = &rx_buffer->dma_info;
686 if (rx_buffer->mp != NULL)
687 freemsg(rx_buffer->mp);
688 unm_free_dma_mem(dma_info);
689 }
690
691 kmem_free(rcv_desc->rx_buf_pool, sizeof (unm_rx_buffer_t) * total_buf);
692 rcv_desc->rx_buf_pool = NULL;
693
694 cmn_err(CE_WARN, "%s%d: Failed receive ring resource allocation\n",
695 adapter->name, adapter->instance);
696 return (DDI_FAILURE);
697 }
698
699 static void
700 unm_check_options(unm_adapter *adapter)
701 {
702 int i, ring, tx_desc, rx_desc, rx_jdesc, maxrx;
703 unm_recv_context_t *recv_ctx;
704 unm_rcv_desc_ctx_t *rcv_desc;
705 uint8_t revid = adapter->ahw.revision_id;
706 dev_info_t *dip = adapter->dip;
707
708 /*
709 * Reduce number of regular rcv desc to half on x86.
710 */
711 maxrx = MAX_RCV_DESCRIPTORS;
712 #if !defined(_LP64)
713 maxrx /= 2;
714 #endif /* !_LP64 */
715
716 verbmsg = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
717 dmesg_propname, 0);
718
719 adapter->tx_bcopy_threshold = ddi_prop_get_int(DDI_DEV_T_ANY,
720 dip, DDI_PROP_DONTPASS, txbcopythreshold_propname,
721 UNM_TX_BCOPY_THRESHOLD);
722 adapter->rx_bcopy_threshold = ddi_prop_get_int(DDI_DEV_T_ANY,
723 dip, DDI_PROP_DONTPASS, rxbcopythreshold_propname,
724 UNM_RX_BCOPY_THRESHOLD);
725
726 tx_desc = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
727 txringsize_propname, MAX_CMD_DESCRIPTORS_HOST);
728 if (tx_desc >= 256 && tx_desc <= MAX_CMD_DESCRIPTORS && ISP2(tx_desc)) {
729 adapter->MaxTxDescCount = tx_desc;
730 } else {
731 cmn_err(CE_WARN, "%s%d: TxRingSize defaulting to %d, since "
732 ".conf value is not 2 power aligned in range 256 - %d\n",
733 adapter->name, adapter->instance, MAX_CMD_DESCRIPTORS_HOST,
734 MAX_CMD_DESCRIPTORS);
735 adapter->MaxTxDescCount = MAX_CMD_DESCRIPTORS_HOST;
736 }
737
738 rx_desc = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
739 rxringsize_propname, maxrx);
740 if (rx_desc >= NX_MIN_DRIVER_RDS_SIZE &&
741 rx_desc <= NX_MAX_SUPPORTED_RDS_SIZE && ISP2(rx_desc)) {
742 adapter->MaxRxDescCount = rx_desc;
743 } else {
744 cmn_err(CE_WARN, "%s%d: RxRingSize defaulting to %d, since "
745 ".conf value is not 2 power aligned in range %d - %d\n",
746 adapter->name, adapter->instance, MAX_RCV_DESCRIPTORS,
747 NX_MIN_DRIVER_RDS_SIZE, NX_MAX_SUPPORTED_RDS_SIZE);
748 adapter->MaxRxDescCount = MAX_RCV_DESCRIPTORS;
749 }
750
751 rx_jdesc = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
752 jumborxringsize_propname, MAX_JUMBO_RCV_DESCRIPTORS);
753 if (rx_jdesc >= NX_MIN_DRIVER_RDS_SIZE &&
754 rx_jdesc <= NX_MAX_SUPPORTED_JUMBO_RDS_SIZE && ISP2(rx_jdesc)) {
755 adapter->MaxJumboRxDescCount = rx_jdesc;
756 } else {
757 cmn_err(CE_WARN, "%s%d: JumboRingSize defaulting to %d, since "
758 ".conf value is not 2 power aligned in range %d - %d\n",
759 adapter->name, adapter->instance, MAX_JUMBO_RCV_DESCRIPTORS,
760 NX_MIN_DRIVER_RDS_SIZE, NX_MAX_SUPPORTED_JUMBO_RDS_SIZE);
761 adapter->MaxJumboRxDescCount = MAX_JUMBO_RCV_DESCRIPTORS;
762 }
763
764 /*
765 * Solaris does not use LRO, but older firmware needs to have a
766 * couple of descriptors for initialization.
767 */
768 adapter->MaxLroRxDescCount = (adapter->fw_major < 4) ? 2 : 0;
769
770 adapter->mtu = ddi_prop_get_int(DDI_DEV_T_ANY, dip,
771 DDI_PROP_DONTPASS, defaultmtu_propname, MTU_SIZE);
772
773 if (adapter->mtu < MTU_SIZE) {
774 cmn_err(CE_WARN, "Raising mtu to %d\n", MTU_SIZE);
775 adapter->mtu = MTU_SIZE;
776 }
777 adapter->maxmtu = NX_IS_REVISION_P2(revid) ? P2_MAX_MTU : P3_MAX_MTU;
778 if (adapter->mtu > adapter->maxmtu) {
779 cmn_err(CE_WARN, "Lowering mtu to %d\n", adapter->maxmtu);
780 adapter->mtu = adapter->maxmtu;
781 }
782
783 adapter->maxmtu = adapter->mtu + NX_MAX_ETHERHDR;
784
785 /*
786 * If we are not expecting to receive jumbo frames, save memory and
787 * do not allocate.
788 */
789 if (adapter->mtu <= MTU_SIZE)
790 adapter->MaxJumboRxDescCount = NX_MIN_DRIVER_RDS_SIZE;
791
792 for (i = 0; i < MAX_RCV_CTX; ++i) {
793 recv_ctx = &adapter->recv_ctx[i];
794
795 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
796 rcv_desc = &recv_ctx->rcv_desc[ring];
797
798 switch (RCV_DESC_TYPE(ring)) {
799 case RCV_DESC_NORMAL:
800 rcv_desc->MaxRxDescCount =
801 adapter->MaxRxDescCount;
802 if (adapter->ahw.cut_through) {
803 rcv_desc->dma_size =
804 NX_CT_DEFAULT_RX_BUF_LEN;
805 rcv_desc->buf_size = rcv_desc->dma_size;
806 } else {
807 rcv_desc->dma_size =
808 NX_RX_NORMAL_BUF_MAX_LEN;
809 rcv_desc->buf_size =
810 rcv_desc->dma_size +
811 IP_ALIGNMENT_BYTES;
812 }
813 break;
814
815 case RCV_DESC_JUMBO:
816 rcv_desc->MaxRxDescCount =
817 adapter->MaxJumboRxDescCount;
818 if (adapter->ahw.cut_through) {
819 rcv_desc->dma_size =
820 rcv_desc->buf_size =
821 NX_P3_RX_JUMBO_BUF_MAX_LEN;
822 } else {
823 if (NX_IS_REVISION_P2(revid))
824 rcv_desc->dma_size =
825 NX_P2_RX_JUMBO_BUF_MAX_LEN;
826 else
827 rcv_desc->dma_size =
828 NX_P3_RX_JUMBO_BUF_MAX_LEN;
829 rcv_desc->buf_size =
830 rcv_desc->dma_size +
831 IP_ALIGNMENT_BYTES;
832 }
833 break;
834
835 case RCV_RING_LRO:
836 rcv_desc->MaxRxDescCount =
837 adapter->MaxLroRxDescCount;
838 rcv_desc->buf_size = MAX_RX_LRO_BUFFER_LENGTH;
839 rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN;
840 break;
841 default:
842 break;
843 }
844 }
845 }
846 }
847
848 static void
849 vector128M(unm_adapter *aptr)
850 {
851 aptr->unm_nic_pci_change_crbwindow = &unm_nic_pci_change_crbwindow_128M;
852 aptr->unm_crb_writelit_adapter = &unm_crb_writelit_adapter_128M;
853 aptr->unm_nic_hw_write_wx = &unm_nic_hw_write_wx_128M;
854 aptr->unm_nic_hw_read_wx = &unm_nic_hw_read_wx_128M;
855 aptr->unm_nic_hw_write_ioctl = &unm_nic_hw_write_ioctl_128M;
856 aptr->unm_nic_hw_read_ioctl = &unm_nic_hw_read_ioctl_128M;
857 aptr->unm_nic_pci_mem_write = &unm_nic_pci_mem_write_128M;
858 aptr->unm_nic_pci_mem_read = &unm_nic_pci_mem_read_128M;
859 aptr->unm_nic_pci_write_immediate = &unm_nic_pci_write_immediate_128M;
860 aptr->unm_nic_pci_read_immediate = &unm_nic_pci_read_immediate_128M;
861 aptr->unm_nic_pci_write_normalize = &unm_nic_pci_write_normalize_128M;
862 aptr->unm_nic_pci_read_normalize = &unm_nic_pci_read_normalize_128M;
863 aptr->unm_nic_pci_set_window = &unm_nic_pci_set_window_128M;
864 aptr->unm_nic_clear_statistics = &unm_nic_clear_statistics_128M;
865 aptr->unm_nic_fill_statistics = &unm_nic_fill_statistics_128M;
866 }
867
868 static void
869 vector2M(unm_adapter *aptr)
870 {
871 aptr->unm_nic_pci_change_crbwindow = &unm_nic_pci_change_crbwindow_2M;
872 aptr->unm_crb_writelit_adapter = &unm_crb_writelit_adapter_2M;
873 aptr->unm_nic_hw_write_wx = &unm_nic_hw_write_wx_2M;
874 aptr->unm_nic_hw_read_wx = &unm_nic_hw_read_wx_2M;
875 aptr->unm_nic_hw_write_ioctl = &unm_nic_hw_write_wx_2M;
876 aptr->unm_nic_hw_read_ioctl = &unm_nic_hw_read_wx_2M;
877 aptr->unm_nic_pci_mem_write = &unm_nic_pci_mem_write_2M;
878 aptr->unm_nic_pci_mem_read = &unm_nic_pci_mem_read_2M;
879 aptr->unm_nic_pci_write_immediate = &unm_nic_pci_write_immediate_2M;
880 aptr->unm_nic_pci_read_immediate = &unm_nic_pci_read_immediate_2M;
881 aptr->unm_nic_pci_write_normalize = &unm_nic_pci_write_normalize_2M;
882 aptr->unm_nic_pci_read_normalize = &unm_nic_pci_read_normalize_2M;
883 aptr->unm_nic_pci_set_window = &unm_nic_pci_set_window_2M;
884 aptr->unm_nic_clear_statistics = &unm_nic_clear_statistics_2M;
885 aptr->unm_nic_fill_statistics = &unm_nic_fill_statistics_2M;
886 }
887
888 static int
889 unm_pci_map_setup(unm_adapter *adapter)
890 {
891 int ret;
892 caddr_t reg_base, db_base;
893 caddr_t mem_ptr0, mem_ptr1 = NULL, mem_ptr2 = NULL;
894 unsigned long pci_len0;
895 unsigned long first_page_group_start, first_page_group_end;
896
897 off_t regsize, dbsize = UNM_DB_MAPSIZE_BYTES;
898 dev_info_t *dip = adapter->dip;
899
900 adapter->ahw.qdr_sn_window = adapter->ahw.ddr_mn_window = -1;
901
902 /* map register space */
903
904 ret = ddi_dev_regsize(dip, 1, ®size);
905 if (ret != DDI_SUCCESS) {
906 cmn_err(CE_WARN, "%s%d: failed to read reg size for bar0\n",
907 adapter->name, adapter->instance);
908 return (DDI_FAILURE);
909 }
910
911 ret = ddi_regs_map_setup(dip, 1, ®_base, 0,
912 regsize, &unm_dev_attr, &adapter->regs_handle);
913 if (ret != DDI_SUCCESS) {
914 cmn_err(CE_WARN, "%s%d: failed to map registers\n",
915 adapter->name, adapter->instance);
916 return (DDI_FAILURE);
917 }
918
919 mem_ptr0 = reg_base;
920
921 if (regsize == UNM_PCI_128MB_SIZE) {
922 pci_len0 = FIRST_PAGE_GROUP_SIZE;
923 mem_ptr1 = mem_ptr0 + SECOND_PAGE_GROUP_START;
924 mem_ptr2 = mem_ptr0 + THIRD_PAGE_GROUP_START;
925 first_page_group_start = FIRST_PAGE_GROUP_START;
926 first_page_group_end = FIRST_PAGE_GROUP_END;
927 vector128M(adapter);
928 } else if (regsize == UNM_PCI_32MB_SIZE) {
929 pci_len0 = 0;
930 mem_ptr1 = mem_ptr0;
931 mem_ptr2 = mem_ptr0 +
932 (THIRD_PAGE_GROUP_START - SECOND_PAGE_GROUP_START);
933 first_page_group_start = 0;
934 first_page_group_end = 0;
935 vector128M(adapter);
936 } else if (regsize == UNM_PCI_2MB_SIZE) {
937 pci_len0 = UNM_PCI_2MB_SIZE;
938 first_page_group_start = 0;
939 first_page_group_end = 0;
940 adapter->ahw.ddr_mn_window = adapter->ahw.qdr_sn_window = 0;
941 adapter->ahw.mn_win_crb = 0x100000 + PCIX_MN_WINDOW +
942 (adapter->ahw.pci_func * 0x20);
943 if (adapter->ahw.pci_func < 4)
944 adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW +
945 (adapter->ahw.pci_func * 0x20);
946 else
947 adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW +
948 0xA0 + ((adapter->ahw.pci_func - 4) * 0x10);
949 vector2M(adapter);
950 } else {
951 cmn_err(CE_WARN, "%s%d: invalid pci regs map size %ld\n",
952 adapter->name, adapter->instance, regsize);
953 ddi_regs_map_free(&adapter->regs_handle);
954 return (DDI_FAILURE);
955 }
956
957 adapter->ahw.pci_base0 = (unsigned long)mem_ptr0;
958 adapter->ahw.pci_len0 = pci_len0;
959 adapter->ahw.pci_base1 = (unsigned long)mem_ptr1;
960 adapter->ahw.pci_len1 = SECOND_PAGE_GROUP_SIZE;
961 adapter->ahw.pci_base2 = (unsigned long)mem_ptr2;
962 adapter->ahw.pci_len2 = THIRD_PAGE_GROUP_SIZE;
963 adapter->ahw.crb_base =
964 PCI_OFFSET_SECOND_RANGE(adapter, UNM_PCI_CRBSPACE);
965
966 adapter->ahw.first_page_group_start = first_page_group_start;
967 adapter->ahw.first_page_group_end = first_page_group_end;
968
969 /* map doorbell */
970
971 ret = ddi_regs_map_setup(dip, 2, &db_base, 0,
972 dbsize, &unm_dev_attr, &adapter->db_handle);
973 if (ret != DDI_SUCCESS) {
974 cmn_err(CE_WARN, "%s%d: failed to map doorbell\n",
975 adapter->name, adapter->instance);
976 ddi_regs_map_free(&adapter->regs_handle);
977 return (DDI_FAILURE);
978 }
979
980 adapter->ahw.db_base = (unsigned long)db_base;
981 adapter->ahw.db_len = dbsize;
982
983 return (DDI_SUCCESS);
984 }
985
986 static int
987 unm_initialize_intr(unm_adapter *adapter)
988 {
989
990 int ret;
991 int type, count, avail, actual;
992
993 ret = ddi_intr_get_supported_types(adapter->dip, &type);
994 if (ret != DDI_SUCCESS) {
995 cmn_err(CE_WARN, "%s%d: ddi_intr_get_supported_types() "
996 "failed\n", adapter->name, adapter->instance);
997 return (DDI_FAILURE);
998 }
999
1000 type = DDI_INTR_TYPE_MSI;
1001 ret = ddi_intr_get_nintrs(adapter->dip, type, &count);
1002 if ((ret == DDI_SUCCESS) && (count > 0))
1003 goto found_msi;
1004
1005 type = DDI_INTR_TYPE_FIXED;
1006 ret = ddi_intr_get_nintrs(adapter->dip, type, &count);
1007 if ((ret != DDI_SUCCESS) || (count == 0)) {
1008 cmn_err(CE_WARN,
1009 "ddi_intr_get_nintrs() failure ret=%d\n", ret);
1010 return (DDI_FAILURE);
1011 }
1012
1013 found_msi:
1014 adapter->intr_type = type;
1015 adapter->flags &= ~(UNM_NIC_MSI_ENABLED | UNM_NIC_MSIX_ENABLED);
1016 if (type == DDI_INTR_TYPE_MSI)
1017 adapter->flags |= UNM_NIC_MSI_ENABLED;
1018
1019 /* Get number of available interrupts */
1020 ret = ddi_intr_get_navail(adapter->dip, type, &avail);
1021 if ((ret != DDI_SUCCESS) || (avail == 0)) {
1022 cmn_err(CE_WARN, "ddi_intr_get_navail() failure, ret=%d\n",
1023 ret);
1024 return (DDI_FAILURE);
1025 }
1026
1027 ret = ddi_intr_alloc(adapter->dip, &adapter->intr_handle,
1028 type, 0, 1, &actual, DDI_INTR_ALLOC_NORMAL);
1029 if ((ret != DDI_SUCCESS) || (actual == 0)) {
1030 cmn_err(CE_WARN, "ddi_intr_alloc() failure: %d\n", ret);
1031 return (DDI_FAILURE);
1032 }
1033
1034 ret = ddi_intr_get_pri(adapter->intr_handle, &adapter->intr_pri);
1035 if (ret != DDI_SUCCESS) {
1036 cmn_err(CE_WARN, "ddi_intr_get_pri() failure: %d\n", ret);
1037 }
1038
1039 /* Call ddi_intr_add_handler() */
1040 ret = ddi_intr_add_handler(adapter->intr_handle, unm_intr,
1041 (caddr_t)adapter, NULL);
1042 if (ret != DDI_SUCCESS) {
1043 cmn_err(CE_WARN, "%s%d: ddi_intr_add_handler() failure\n",
1044 adapter->name, adapter->instance);
1045 (void) ddi_intr_free(adapter->intr_handle);
1046 return (DDI_FAILURE);
1047 }
1048
1049 /* Add softintr if required */
1050
1051 return (DDI_SUCCESS);
1052
1053 }
1054
1055 void
1056 unm_destroy_intr(unm_adapter *adapter)
1057 {
1058 /* disable interrupt */
1059 if (adapter->intr_type == DDI_INTR_TYPE_MSI)
1060 (void) ddi_intr_block_disable(&adapter->intr_handle, 1);
1061 else
1062 (void) ddi_intr_disable(adapter->intr_handle);
1063
1064 (void) ddi_intr_remove_handler(adapter->intr_handle);
1065 (void) ddi_intr_free(adapter->intr_handle);
1066
1067 /* Remove the software intr handler */
1068 }
1069
1070 static void
1071 netxen_set_port_mode(unm_adapter *adapter)
1072 {
1073 static int wol_port_mode = UNM_PORT_MODE_AUTO_NEG_1G;
1074 static int port_mode = UNM_PORT_MODE_AUTO_NEG;
1075 int btype = adapter->ahw.boardcfg.board_type, data = 0;
1076
1077 if (btype == UNM_BRDTYPE_P3_HMEZ || btype == UNM_BRDTYPE_P3_XG_LOM) {
1078 data = port_mode; /* set to port_mode normally */
1079 if ((port_mode != UNM_PORT_MODE_802_3_AP) &&
1080 (port_mode != UNM_PORT_MODE_XG) &&
1081 (port_mode != UNM_PORT_MODE_AUTO_NEG_1G) &&
1082 (port_mode != UNM_PORT_MODE_AUTO_NEG_XG))
1083 data = UNM_PORT_MODE_AUTO_NEG;
1084
1085 adapter->unm_nic_hw_write_wx(adapter, UNM_PORT_MODE_ADDR,
1086 &data, 4);
1087
1088 if ((wol_port_mode != UNM_PORT_MODE_802_3_AP) &&
1089 (wol_port_mode != UNM_PORT_MODE_XG) &&
1090 (wol_port_mode != UNM_PORT_MODE_AUTO_NEG_1G) &&
1091 (wol_port_mode != UNM_PORT_MODE_AUTO_NEG_XG))
1092 wol_port_mode = UNM_PORT_MODE_AUTO_NEG;
1093
1094 adapter->unm_nic_hw_write_wx(adapter, UNM_WOL_PORT_MODE,
1095 &wol_port_mode, 4);
1096 }
1097 }
1098
1099 static void
1100 netxen_pcie_strap_init(unm_adapter *adapter)
1101 {
1102 ddi_acc_handle_t pcihdl = adapter->pci_cfg_handle;
1103 u32 chicken, control, c8c9value = 0xF1000;
1104
1105 adapter->unm_nic_hw_read_wx(adapter, UNM_PCIE_REG(PCIE_CHICKEN3),
1106 &chicken, 4);
1107
1108 chicken &= 0xFCFFFFFF; /* clear chicken3 25:24 */
1109 control = pci_config_get32(pcihdl, 0xD0);
1110 if ((control & 0x000F0000) != 0x00020000) /* is it gen1? */
1111 chicken |= 0x01000000;
1112 adapter->unm_nic_hw_write_wx(adapter, UNM_PCIE_REG(PCIE_CHICKEN3),
1113 &chicken, 4);
1114 control = pci_config_get32(pcihdl, 0xC8);
1115 control = pci_config_get32(pcihdl, 0xC8);
1116 pci_config_put32(pcihdl, 0xC8, c8c9value);
1117 }
1118
1119 static int
1120 netxen_read_mac_addr(unm_adapter *adapter)
1121 {
1122 u64 mac_addr[8 + 1];
1123 unsigned char *p;
1124 int i;
1125
1126 if (get_flash_mac_addr(adapter, mac_addr) != 0)
1127 return (-1);
1128
1129 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1130 p = (unsigned char *)&mac_addr[adapter->ahw.pci_func];
1131 else
1132 p = (unsigned char *)&mac_addr[adapter->portnum];
1133
1134 for (i = 0; i < 6; i++)
1135 adapter->mac_addr[i] = p[5 - i];
1136
1137 if (unm_nic_macaddr_set(adapter, adapter->mac_addr) != 0)
1138 return (-1);
1139
1140 return (0);
1141 }
1142
1143 static int
1144 unmattach(dev_info_t *dip, ddi_attach_cmd_t cmd)
1145 {
1146 unm_adapter *adapter;
1147 int i, first_driver = 0;
1148 int ret, temp;
1149
1150 switch (cmd) {
1151 case DDI_ATTACH:
1152 break;
1153 case DDI_RESUME:
1154 case DDI_PM_RESUME:
1155 default:
1156 return (DDI_FAILURE);
1157 }
1158
1159 adapter = kmem_zalloc(sizeof (unm_adapter), KM_SLEEP);
1160 adapter->dip = dip;
1161 ddi_set_driver_private(dip, adapter);
1162 adapter->instance = ddi_get_instance(dip);
1163
1164 adapter->name = ddi_driver_name(dip);
1165
1166 ret = pci_config_setup(dip, &adapter->pci_cfg_handle);
1167 if (ret != DDI_SUCCESS) {
1168 cmn_err(CE_WARN, "%s%d: pci_config_setup failed\n",
1169 adapter->name, adapter->instance);
1170 goto attach_setup_err;
1171 }
1172
1173 ret = unm_pci_cfg_init(adapter);
1174 if (ret != DDI_SUCCESS)
1175 goto attach_err;
1176
1177 ret = unm_pci_map_setup(adapter);
1178 if (ret != DDI_SUCCESS)
1179 goto attach_err;
1180
1181 if (unm_initialize_intr(adapter) != DDI_SUCCESS)
1182 goto attach_unmap_regs;
1183
1184 rw_init(&adapter->adapter_lock, NULL,
1185 RW_DRIVER, DDI_INTR_PRI(adapter->intr_pri));
1186 mutex_init(&adapter->tx_lock, NULL,
1187 MUTEX_DRIVER, (DDI_INTR_PRI(adapter->intr_pri)));
1188 mutex_init(&adapter->lock, NULL,
1189 MUTEX_DRIVER, (DDI_INTR_PRI(adapter->intr_pri)));
1190
1191 adapter->portnum = (int8_t)adapter->ahw.pci_func;
1192
1193 /*
1194 * Set the CRB window to invalid. If any register in window 0 is
1195 * accessed it should set window to 0 and then reset it to 1.
1196 */
1197 adapter->curr_window = 255;
1198
1199 adapter->fw_major = adapter->unm_nic_pci_read_normalize(adapter,
1200 UNM_FW_VERSION_MAJOR);
1201
1202 if (adapter->fw_major < 4)
1203 adapter->max_rds_rings = 3;
1204 else
1205 adapter->max_rds_rings = 2;
1206
1207 STRUCT_COPY(adapter->gc_dma_attr_desc, unm_dma_attr_desc);
1208 STRUCT_COPY(adapter->gc_attr_desc, unm_buf_attr);
1209
1210 ret = unm_nic_get_board_info(adapter);
1211 if (ret != DDI_SUCCESS) {
1212 cmn_err(CE_WARN, "%s%d: error reading board config\n",
1213 adapter->name, adapter->instance);
1214 goto attach_destroy_intr;
1215 }
1216
1217 /* Mezz cards have PCI function 0, 2, 3 enabled */
1218 switch (adapter->ahw.boardcfg.board_type) {
1219 case UNM_BRDTYPE_P2_SB31_10G_IMEZ:
1220 case UNM_BRDTYPE_P2_SB31_10G_HMEZ:
1221 if (adapter->ahw.pci_func >= 2) {
1222 adapter->portnum = adapter->ahw.pci_func - 2;
1223 }
1224 default:
1225 break;
1226 }
1227
1228 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
1229 temp = UNM_CRB_READ_VAL_ADAPTER(UNM_MIU_MN_CONTROL, adapter);
1230 adapter->ahw.cut_through = NX_IS_SYSTEM_CUT_THROUGH(temp);
1231 if (adapter->ahw.pci_func == 0)
1232 first_driver = 1;
1233 } else {
1234 if (adapter->portnum == 0)
1235 first_driver = 1;
1236 }
1237
1238 unm_check_options(adapter);
1239
1240 if (first_driver) {
1241 int first_boot = adapter->unm_nic_pci_read_normalize(adapter,
1242 UNM_CAM_RAM(0x1fc));
1243
1244 if (check_hw_init(adapter) != 0) {
1245 cmn_err(CE_WARN, "%s%d: Error in HW init sequence\n",
1246 adapter->name, adapter->instance);
1247 goto attach_destroy_intr;
1248 }
1249
1250 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1251 netxen_set_port_mode(adapter);
1252
1253 if (first_boot != 0x55555555) {
1254 temp = 0;
1255 adapter->unm_nic_hw_write_wx(adapter, CRB_CMDPEG_STATE,
1256 &temp, 4);
1257 if (pinit_from_rom(adapter, 0) != 0)
1258 goto attach_destroy_intr;
1259
1260 drv_usecwait(500);
1261
1262 ret = load_from_flash(adapter);
1263 if (ret != DDI_SUCCESS)
1264 goto attach_destroy_intr;
1265 }
1266
1267 if (ret = unm_initialize_dummy_dma(adapter))
1268 goto attach_destroy_intr;
1269
1270 /*
1271 * Tell the hardware our version number.
1272 */
1273 i = (_UNM_NIC_MAJOR << 16) |
1274 ((_UNM_NIC_MINOR << 8)) | (_UNM_NIC_SUBVERSION);
1275 adapter->unm_nic_hw_write_wx(adapter, CRB_DRIVER_VERSION,
1276 &i, 4);
1277
1278 /* Unlock the HW, prompting the boot sequence */
1279 if ((first_boot == 0x55555555) &&
1280 (NX_IS_REVISION_P2(adapter->ahw.revision_id)))
1281 adapter->unm_nic_pci_write_normalize(adapter,
1282 UNM_ROMUSB_GLB_PEGTUNE_DONE, 1);
1283
1284 /* Handshake with the card before we register the devices. */
1285 if (phantom_init(adapter, 0) != DDI_SUCCESS)
1286 goto attach_destroy_intr;
1287 }
1288
1289 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1290 netxen_pcie_strap_init(adapter);
1291
1292 /*
1293 * See if the firmware gave us a virtual-physical port mapping.
1294 */
1295 adapter->physical_port = adapter->portnum;
1296 i = adapter->unm_nic_pci_read_normalize(adapter,
1297 CRB_V2P(adapter->portnum));
1298 if (i != 0x55555555)
1299 adapter->physical_port = (uint16_t)i;
1300
1301 adapter->ahw.linkup = 0;
1302
1303 if (receive_peg_ready(adapter)) {
1304 ret = -EIO;
1305 goto free_dummy_dma;
1306 }
1307
1308 if (netxen_read_mac_addr(adapter))
1309 cmn_err(CE_WARN, "%s%d: Failed to read MAC addr\n",
1310 adapter->name, adapter->instance);
1311
1312 unm_nic_flash_print(adapter);
1313
1314 if (verbmsg != 0) {
1315 switch (adapter->ahw.board_type) {
1316 case UNM_NIC_GBE:
1317 cmn_err(CE_NOTE, "%s: QUAD GbE port %d initialized\n",
1318 unm_nic_driver_name, adapter->portnum);
1319 break;
1320
1321 case UNM_NIC_XGBE:
1322 cmn_err(CE_NOTE, "%s: XGbE port %d initialized\n",
1323 unm_nic_driver_name, adapter->portnum);
1324 break;
1325 }
1326 }
1327
1328 ret = unm_register_mac(adapter);
1329 if (ret != DDI_SUCCESS) {
1330 cmn_err(CE_NOTE, "%s%d: Mac registration error\n",
1331 adapter->name, adapter->instance);
1332 goto free_dummy_dma;
1333 }
1334
1335 return (DDI_SUCCESS);
1336
1337 free_dummy_dma:
1338 if (first_driver)
1339 unm_free_dummy_dma(adapter);
1340 attach_destroy_intr:
1341 unm_destroy_intr(adapter);
1342 attach_unmap_regs:
1343 ddi_regs_map_free(&(adapter->regs_handle));
1344 ddi_regs_map_free(&(adapter->db_handle));
1345 attach_err:
1346 pci_config_teardown(&adapter->pci_cfg_handle);
1347 attach_setup_err:
1348 kmem_free(adapter, sizeof (unm_adapter));
1349 return (ret);
1350 }
1351
1352 static int
1353 unmdetach(dev_info_t *dip, ddi_detach_cmd_t cmd)
1354 {
1355 unm_adapter *adapter = (unm_adapter *)ddi_get_driver_private(dip);
1356
1357 if (adapter == NULL)
1358 return (DDI_FAILURE);
1359
1360 switch (cmd) {
1361 case DDI_DETACH:
1362 unm_fini_kstats(adapter);
1363 adapter->kstats[0] = NULL;
1364
1365 if (adapter->pci_cfg_handle != NULL)
1366 pci_config_teardown(&adapter->pci_cfg_handle);
1367
1368 unm_nd_cleanup(adapter);
1369 unm_nic_remove(adapter);
1370 return (DDI_SUCCESS);
1371
1372 case DDI_SUSPEND:
1373 return (unm_nic_suspend(adapter));
1374
1375 default:
1376 break;
1377 }
1378
1379 return (DDI_FAILURE);
1380 }
1381
1382 int
1383 create_rxtx_rings(unm_adapter *adapter)
1384 {
1385 unm_recv_context_t *recv_ctx;
1386 unm_rcv_desc_ctx_t *rcv_desc;
1387 int i, ring;
1388
1389 adapter->cmd_buf_arr = (struct unm_cmd_buffer *)kmem_zalloc(
1390 sizeof (struct unm_cmd_buffer) * adapter->MaxTxDescCount,
1391 KM_SLEEP);
1392
1393 for (i = 0; i < MAX_RCV_CTX; ++i) {
1394 recv_ctx = &adapter->recv_ctx[i];
1395
1396 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1397 rcv_desc = &recv_ctx->rcv_desc[ring];
1398 if (unm_create_rx_ring(adapter, rcv_desc) !=
1399 DDI_SUCCESS)
1400 goto attach_free_cmdbufs;
1401 }
1402 }
1403
1404 if (unm_alloc_tx_dmahdl(adapter) != DDI_SUCCESS)
1405 goto attach_free_cmdbufs;
1406
1407 if (unm_alloc_tx_buffers(adapter) != DDI_SUCCESS)
1408 goto attach_free_tx_dmahdl;
1409
1410 return (DDI_SUCCESS);
1411
1412 attach_free_tx_buffers:
1413 unm_free_tx_buffers(adapter);
1414 attach_free_tx_dmahdl:
1415 unm_free_tx_dmahdl(adapter);
1416 attach_free_cmdbufs:
1417 kmem_free(adapter->cmd_buf_arr, sizeof (struct unm_cmd_buffer) *
1418 adapter->MaxTxDescCount);
1419 for (i = 0; i < MAX_RCV_CTX; ++i) {
1420 recv_ctx = &adapter->recv_ctx[i];
1421
1422 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1423 rcv_desc = &recv_ctx->rcv_desc[ring];
1424 if (rcv_desc->rx_buf_pool != NULL)
1425 unm_destroy_rx_ring(rcv_desc);
1426 }
1427 }
1428 return (DDI_FAILURE);
1429 }
1430
1431 void
1432 destroy_rxtx_rings(unm_adapter *adapter)
1433 {
1434 unm_recv_context_t *recv_ctx;
1435 unm_rcv_desc_ctx_t *rcv_desc;
1436 int ctx, ring;
1437
1438 unm_free_tx_buffers(adapter);
1439 unm_free_tx_dmahdl(adapter);
1440
1441 for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
1442 recv_ctx = &adapter->recv_ctx[ctx];
1443 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1444 rcv_desc = &recv_ctx->rcv_desc[ring];
1445 if (rcv_desc->rx_buf_pool != NULL)
1446 unm_destroy_rx_ring(rcv_desc);
1447 }
1448 }
1449
1450 if (adapter->cmd_buf_arr != NULL)
1451 kmem_free(adapter->cmd_buf_arr,
1452 sizeof (struct unm_cmd_buffer) * adapter->MaxTxDescCount);
1453 }
1454
1455 #ifdef SOLARIS11
1456 DDI_DEFINE_STREAM_OPS(unm_ops, nulldev, nulldev, unmattach, unmdetach,
1457 nodev, NULL, D_MP, NULL, NULL);
1458 #else
1459 DDI_DEFINE_STREAM_OPS(unm_ops, nulldev, nulldev, unmattach, unmdetach,
1460 nodev, NULL, D_MP, NULL);
1461 #endif
1462
1463 static struct modldrv modldrv = {
1464 &mod_driverops, /* Type of module. This one is a driver */
1465 ident,
1466 &unm_ops, /* driver ops */
1467 };
1468
1469 static struct modlinkage modlinkage = {
1470 MODREV_1,
1471 (&modldrv),
1472 NULL
1473 };
1474
1475
1476 int
1477 _init(void)
1478 {
1479 int ret;
1480
1481 unm_ops.devo_cb_ops->cb_str = NULL;
1482 mac_init_ops(&unm_ops, "ntxn");
1483
1484 ret = mod_install(&modlinkage);
1485 if (ret != DDI_SUCCESS) {
1486 mac_fini_ops(&unm_ops);
1487 cmn_err(CE_WARN, "ntxn: mod_install failed\n");
1488 }
1489
1490 return (ret);
1491 }
1492
1493
1494 int
1495 _fini(void)
1496 {
1497 int ret;
1498
1499 ret = mod_remove(&modlinkage);
1500 if (ret == DDI_SUCCESS)
1501 mac_fini_ops(&unm_ops);
1502 return (ret);
1503 }
1504
1505 int
1506 _info(struct modinfo *modinfop)
1507 {
1508 return (mod_info(&modlinkage, modinfop));
1509 }