Annotation of sys/dev/pci/if_bnx.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_bnx.c,v 1.53 2007/07/04 00:20:22 krw Exp $ */
2:
3: /*-
4: * Copyright (c) 2006 Broadcom Corporation
5: * David Christensen <davidch@broadcom.com>. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: *
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of Broadcom Corporation nor the name of its contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written consent.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
21: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
24: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30: * THE POSSIBILITY OF SUCH DAMAGE.
31: */
32:
33: #if 0
34: #include <sys/cdefs.h>
35: __FBSDID("$FreeBSD: src/sys/dev/bce/if_bce.c,v 1.3 2006/04/13 14:12:26 ru Exp $");
36: #endif
37:
38: /*
39: * The following controllers are supported by this driver:
40: * BCM5706C A2, A3
41: * BCM5708C B1
42: *
43: * The following controllers are not supported by this driver:
44: * (These are not "Production" versions of the controller.)
45: *
46: * BCM5706C A0, A1
47: * BCM5706S A0, A1, A2, A3
48: * BCM5708C A0, B0
49: * BCM5708S A0, B0, B1
50: */
51:
52: #include <dev/pci/if_bnxreg.h>
53:
54: int bnx_COM_b06FwReleaseMajor;
55: int bnx_COM_b06FwReleaseMinor;
56: int bnx_COM_b06FwReleaseFix;
57: u_int32_t bnx_COM_b06FwStartAddr;
58: u_int32_t bnx_COM_b06FwTextAddr;
59: int bnx_COM_b06FwTextLen;
60: u_int32_t bnx_COM_b06FwDataAddr;
61: int bnx_COM_b06FwDataLen;
62: u_int32_t bnx_COM_b06FwRodataAddr;
63: int bnx_COM_b06FwRodataLen;
64: u_int32_t bnx_COM_b06FwBssAddr;
65: int bnx_COM_b06FwBssLen;
66: u_int32_t bnx_COM_b06FwSbssAddr;
67: int bnx_COM_b06FwSbssLen;
68:
69: int bnx_RXP_b06FwReleaseMajor;
70: int bnx_RXP_b06FwReleaseMinor;
71: int bnx_RXP_b06FwReleaseFix;
72: u_int32_t bnx_RXP_b06FwStartAddr;
73: u_int32_t bnx_RXP_b06FwTextAddr;
74: int bnx_RXP_b06FwTextLen;
75: u_int32_t bnx_RXP_b06FwDataAddr;
76: int bnx_RXP_b06FwDataLen;
77: u_int32_t bnx_RXP_b06FwRodataAddr;
78: int bnx_RXP_b06FwRodataLen;
79: u_int32_t bnx_RXP_b06FwBssAddr;
80: int bnx_RXP_b06FwBssLen;
81: u_int32_t bnx_RXP_b06FwSbssAddr;
82: int bnx_RXP_b06FwSbssLen;
83:
84: int bnx_TPAT_b06FwReleaseMajor;
85: int bnx_TPAT_b06FwReleaseMinor;
86: int bnx_TPAT_b06FwReleaseFix;
87: u_int32_t bnx_TPAT_b06FwStartAddr;
88: u_int32_t bnx_TPAT_b06FwTextAddr;
89: int bnx_TPAT_b06FwTextLen;
90: u_int32_t bnx_TPAT_b06FwDataAddr;
91: int bnx_TPAT_b06FwDataLen;
92: u_int32_t bnx_TPAT_b06FwRodataAddr;
93: int bnx_TPAT_b06FwRodataLen;
94: u_int32_t bnx_TPAT_b06FwBssAddr;
95: int bnx_TPAT_b06FwBssLen;
96: u_int32_t bnx_TPAT_b06FwSbssAddr;
97: int bnx_TPAT_b06FwSbssLen;
98:
99: int bnx_TXP_b06FwReleaseMajor;
100: int bnx_TXP_b06FwReleaseMinor;
101: int bnx_TXP_b06FwReleaseFix;
102: u_int32_t bnx_TXP_b06FwStartAddr;
103: u_int32_t bnx_TXP_b06FwTextAddr;
104: int bnx_TXP_b06FwTextLen;
105: u_int32_t bnx_TXP_b06FwDataAddr;
106: int bnx_TXP_b06FwDataLen;
107: u_int32_t bnx_TXP_b06FwRodataAddr;
108: int bnx_TXP_b06FwRodataLen;
109: u_int32_t bnx_TXP_b06FwBssAddr;
110: int bnx_TXP_b06FwBssLen;
111: u_int32_t bnx_TXP_b06FwSbssAddr;
112: int bnx_TXP_b06FwSbssLen;
113:
114: int bnx_rv2p_proc1len;
115: int bnx_rv2p_proc2len;
116:
117: u_int32_t *bnx_COM_b06FwText;
118: u_int32_t *bnx_COM_b06FwData;
119: u_int32_t *bnx_COM_b06FwRodata;
120: u_int32_t *bnx_COM_b06FwBss;
121: u_int32_t *bnx_COM_b06FwSbss;
122:
123: u_int32_t *bnx_RXP_b06FwText;
124: u_int32_t *bnx_RXP_b06FwData;
125: u_int32_t *bnx_RXP_b06FwRodata;
126: u_int32_t *bnx_RXP_b06FwBss;
127: u_int32_t *bnx_RXP_b06FwSbss;
128:
129: u_int32_t *bnx_TPAT_b06FwText;
130: u_int32_t *bnx_TPAT_b06FwData;
131: u_int32_t *bnx_TPAT_b06FwRodata;
132: u_int32_t *bnx_TPAT_b06FwBss;
133: u_int32_t *bnx_TPAT_b06FwSbss;
134:
135: u_int32_t *bnx_TXP_b06FwText;
136: u_int32_t *bnx_TXP_b06FwData;
137: u_int32_t *bnx_TXP_b06FwRodata;
138: u_int32_t *bnx_TXP_b06FwBss;
139: u_int32_t *bnx_TXP_b06FwSbss;
140:
141: u_int32_t *bnx_rv2p_proc1;
142: u_int32_t *bnx_rv2p_proc2;
143:
144: void nswaph(u_int32_t *p, int wcount);
145:
146: /****************************************************************************/
147: /* BNX Driver Version */
148: /****************************************************************************/
149: char bnx_driver_version[] = "v0.9.6";
150:
151: /****************************************************************************/
152: /* BNX Debug Options */
153: /****************************************************************************/
154: #ifdef BNX_DEBUG
155: u_int32_t bnx_debug = BNX_WARN;
156:
157: /* 0 = Never */
158: /* 1 = 1 in 2,147,483,648 */
159: /* 256 = 1 in 8,388,608 */
160: /* 2048 = 1 in 1,048,576 */
161: /* 65536 = 1 in 32,768 */
162: /* 1048576 = 1 in 2,048 */
163: /* 268435456 = 1 in 8 */
164: /* 536870912 = 1 in 4 */
165: /* 1073741824 = 1 in 2 */
166:
167: /* Controls how often the l2_fhdr frame error check will fail. */
168: int bnx_debug_l2fhdr_status_check = 0;
169:
170: /* Controls how often the unexpected attention check will fail. */
171: int bnx_debug_unexpected_attention = 0;
172:
173: /* Controls how often to simulate an mbuf allocation failure. */
174: int bnx_debug_mbuf_allocation_failure = 0;
175:
176: /* Controls how often to simulate a DMA mapping failure. */
177: int bnx_debug_dma_map_addr_failure = 0;
178:
179: /* Controls how often to simulate a bootcode failure. */
180: int bnx_debug_bootcode_running_failure = 0;
181: #endif
182:
183: /****************************************************************************/
184: /* PCI Device ID Table */
185: /* */
186: /* Used by bnx_probe() to identify the devices supported by this driver. */
187: /****************************************************************************/
188: const struct pci_matchid bnx_devices[] = {
189: { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM5706 },
190: { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM5706S },
191: { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM5708 },
192: { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM5708S }
193: #if 0
194: { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM5709 },
195: { PCI_VENDOR_BROADCOM, PCI_PRODUCT_BROADCOM_BCM5709S }
196: #endif
197: };
198:
199: /****************************************************************************/
200: /* Supported Flash NVRAM device data. */
201: /****************************************************************************/
202: static struct flash_spec flash_table[] =
203: {
204: /* Slow EEPROM */
205: {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
206: 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
207: SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
208: "EEPROM - slow"},
209: /* Expansion entry 0001 */
210: {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
211: 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
212: SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
213: "Entry 0001"},
214: /* Saifun SA25F010 (non-buffered flash) */
215: /* strap, cfg1, & write1 need updates */
216: {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
217: 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
218: SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
219: "Non-buffered flash (128kB)"},
220: /* Saifun SA25F020 (non-buffered flash) */
221: /* strap, cfg1, & write1 need updates */
222: {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
223: 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
224: SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
225: "Non-buffered flash (256kB)"},
226: /* Expansion entry 0100 */
227: {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
228: 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
229: SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
230: "Entry 0100"},
231: /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
232: {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
233: 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
234: ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
235: "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
236: /* Entry 0110: ST M45PE20 (non-buffered flash)*/
237: {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
238: 0, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
239: ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
240: "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
241: /* Saifun SA25F005 (non-buffered flash) */
242: /* strap, cfg1, & write1 need updates */
243: {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
244: 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
245: SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
246: "Non-buffered flash (64kB)"},
247: /* Fast EEPROM */
248: {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
249: 1, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
250: SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
251: "EEPROM - fast"},
252: /* Expansion entry 1001 */
253: {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
254: 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
255: SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
256: "Entry 1001"},
257: /* Expansion entry 1010 */
258: {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
259: 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
260: SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
261: "Entry 1010"},
262: /* ATMEL AT45DB011B (buffered flash) */
263: {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
264: 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
265: BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
266: "Buffered flash (128kB)"},
267: /* Expansion entry 1100 */
268: {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
269: 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
270: SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
271: "Entry 1100"},
272: /* Expansion entry 1101 */
273: {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
274: 0, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
275: SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
276: "Entry 1101"},
277: /* Ateml Expansion entry 1110 */
278: {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
279: 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
280: BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
281: "Entry 1110 (Atmel)"},
282: /* ATMEL AT45DB021B (buffered flash) */
283: {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
284: 1, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
285: BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
286: "Buffered flash (256kB)"},
287: };
288:
289: /****************************************************************************/
290: /* OpenBSD device entry points. */
291: /****************************************************************************/
292: int bnx_probe(struct device *, void *, void *);
293: void bnx_attach(struct device *, struct device *, void *);
294: void bnx_attachhook(void *);
295: int bnx_read_firmware(struct bnx_softc *sc);
296: #if 0
297: void bnx_detach(void *);
298: #endif
299: void bnx_shutdown(void *);
300:
301: /****************************************************************************/
302: /* BNX Debug Data Structure Dump Routines */
303: /****************************************************************************/
304: #ifdef BNX_DEBUG
305: void bnx_dump_mbuf(struct bnx_softc *, struct mbuf *);
306: void bnx_dump_tx_mbuf_chain(struct bnx_softc *, int, int);
307: void bnx_dump_rx_mbuf_chain(struct bnx_softc *, int, int);
308: void bnx_dump_txbd(struct bnx_softc *, int, struct tx_bd *);
309: void bnx_dump_rxbd(struct bnx_softc *, int, struct rx_bd *);
310: void bnx_dump_l2fhdr(struct bnx_softc *, int, struct l2_fhdr *);
311: void bnx_dump_tx_chain(struct bnx_softc *, int, int);
312: void bnx_dump_rx_chain(struct bnx_softc *, int, int);
313: void bnx_dump_status_block(struct bnx_softc *);
314: void bnx_dump_stats_block(struct bnx_softc *);
315: void bnx_dump_driver_state(struct bnx_softc *);
316: void bnx_dump_hw_state(struct bnx_softc *);
317: void bnx_breakpoint(struct bnx_softc *);
318: #endif
319:
320: /****************************************************************************/
321: /* BNX Register/Memory Access Routines */
322: /****************************************************************************/
323: u_int32_t bnx_reg_rd_ind(struct bnx_softc *, u_int32_t);
324: void bnx_reg_wr_ind(struct bnx_softc *, u_int32_t, u_int32_t);
325: void bnx_ctx_wr(struct bnx_softc *, u_int32_t, u_int32_t, u_int32_t);
326: int bnx_miibus_read_reg(struct device *, int, int);
327: void bnx_miibus_write_reg(struct device *, int, int, int);
328: void bnx_miibus_statchg(struct device *);
329:
330: /****************************************************************************/
331: /* BNX NVRAM Access Routines */
332: /****************************************************************************/
333: int bnx_acquire_nvram_lock(struct bnx_softc *);
334: int bnx_release_nvram_lock(struct bnx_softc *);
335: void bnx_enable_nvram_access(struct bnx_softc *);
336: void bnx_disable_nvram_access(struct bnx_softc *);
337: int bnx_nvram_read_dword(struct bnx_softc *, u_int32_t, u_int8_t *,
338: u_int32_t);
339: int bnx_init_nvram(struct bnx_softc *);
340: int bnx_nvram_read(struct bnx_softc *, u_int32_t, u_int8_t *, int);
341: int bnx_nvram_test(struct bnx_softc *);
342: #ifdef BNX_NVRAM_WRITE_SUPPORT
343: int bnx_enable_nvram_write(struct bnx_softc *);
344: void bnx_disable_nvram_write(struct bnx_softc *);
345: int bnx_nvram_erase_page(struct bnx_softc *, u_int32_t);
346: int bnx_nvram_write_dword(struct bnx_softc *, u_int32_t, u_int8_t *,
347: u_int32_t);
348: int bnx_nvram_write(struct bnx_softc *, u_int32_t, u_int8_t *, int);
349: #endif
350:
351: /****************************************************************************/
352: /* */
353: /****************************************************************************/
354: int bnx_dma_alloc(struct bnx_softc *);
355: void bnx_dma_free(struct bnx_softc *);
356: void bnx_release_resources(struct bnx_softc *);
357:
358: /****************************************************************************/
359: /* BNX Firmware Synchronization and Load */
360: /****************************************************************************/
361: int bnx_fw_sync(struct bnx_softc *, u_int32_t);
362: void bnx_load_rv2p_fw(struct bnx_softc *, u_int32_t *, u_int32_t,
363: u_int32_t);
364: void bnx_load_cpu_fw(struct bnx_softc *, struct cpu_reg *,
365: struct fw_info *);
366: void bnx_init_cpus(struct bnx_softc *);
367:
368: void bnx_stop(struct bnx_softc *);
369: int bnx_reset(struct bnx_softc *, u_int32_t);
370: int bnx_chipinit(struct bnx_softc *);
371: int bnx_blockinit(struct bnx_softc *);
372: int bnx_get_buf(struct bnx_softc *, struct mbuf *, u_int16_t *,
373: u_int16_t *, u_int32_t *);
374:
375: int bnx_init_tx_chain(struct bnx_softc *);
376: int bnx_init_rx_chain(struct bnx_softc *);
377: void bnx_free_rx_chain(struct bnx_softc *);
378: void bnx_free_tx_chain(struct bnx_softc *);
379:
380: int bnx_tx_encap(struct bnx_softc *, struct mbuf **);
381: void bnx_start(struct ifnet *);
382: int bnx_ioctl(struct ifnet *, u_long, caddr_t);
383: void bnx_watchdog(struct ifnet *);
384: int bnx_ifmedia_upd(struct ifnet *);
385: void bnx_ifmedia_sts(struct ifnet *, struct ifmediareq *);
386: void bnx_init(void *);
387: void bnx_mgmt_init(struct bnx_softc *sc);
388:
389: void bnx_init_context(struct bnx_softc *);
390: void bnx_get_mac_addr(struct bnx_softc *);
391: void bnx_set_mac_addr(struct bnx_softc *);
392: void bnx_phy_intr(struct bnx_softc *);
393: void bnx_rx_intr(struct bnx_softc *);
394: void bnx_tx_intr(struct bnx_softc *);
395: void bnx_disable_intr(struct bnx_softc *);
396: void bnx_enable_intr(struct bnx_softc *);
397:
398: int bnx_intr(void *);
399: void bnx_set_rx_mode(struct bnx_softc *);
400: void bnx_stats_update(struct bnx_softc *);
401: void bnx_tick(void *);
402:
403: /****************************************************************************/
404: /* OpenBSD device dispatch table. */
405: /****************************************************************************/
406: struct cfattach bnx_ca = {
407: sizeof(struct bnx_softc), bnx_probe, bnx_attach
408: };
409:
410: struct cfdriver bnx_cd = {
411: 0, "bnx", DV_IFNET
412: };
413:
414: /****************************************************************************/
415: /* Device probe function. */
416: /* */
417: /* Compares the device to the driver's list of supported devices and */
418: /* reports back to the OS whether this is the right driver for the device. */
419: /* */
420: /* Returns: */
421: /* BUS_PROBE_DEFAULT on success, positive value on failure. */
422: /****************************************************************************/
423: int
424: bnx_probe(struct device *parent, void *match, void *aux)
425: {
426: return (pci_matchbyid((struct pci_attach_args *)aux, bnx_devices,
427: sizeof(bnx_devices)/sizeof(bnx_devices[0])));
428: }
429:
430: void
431: nswaph(u_int32_t *p, int wcount)
432: {
433: for (; wcount; wcount -=4) {
434: *p = ntohl(*p);
435: p++;
436: }
437: }
438:
439: int
440: bnx_read_firmware(struct bnx_softc *sc)
441: {
442: static struct bnx_firmware_header *hdr;
443: u_char *p, *q;
444: size_t size;
445: int error;
446:
447: if (hdr)
448: return (0);
449:
450: if ((error = loadfirmware("bnx", &p, &size)) != 0)
451: return error;
452:
453: if (size < sizeof (struct bnx_firmware_header)) {
454: free(p, M_DEVBUF);
455: return EINVAL;
456: }
457:
458: hdr = (struct bnx_firmware_header *)p;
459:
460: bnx_COM_b06FwReleaseMajor = ntohl(hdr->bnx_COM_b06FwReleaseMajor);
461: bnx_COM_b06FwReleaseMinor = ntohl(hdr->bnx_COM_b06FwReleaseMinor);
462: bnx_COM_b06FwReleaseFix = ntohl(hdr->bnx_COM_b06FwReleaseFix);
463: bnx_COM_b06FwStartAddr = ntohl(hdr->bnx_COM_b06FwStartAddr);
464: bnx_COM_b06FwTextAddr = ntohl(hdr->bnx_COM_b06FwTextAddr);
465: bnx_COM_b06FwTextLen = ntohl(hdr->bnx_COM_b06FwTextLen);
466: bnx_COM_b06FwDataAddr = ntohl(hdr->bnx_COM_b06FwDataAddr);
467: bnx_COM_b06FwDataLen = ntohl(hdr->bnx_COM_b06FwDataLen);
468: bnx_COM_b06FwRodataAddr = ntohl(hdr->bnx_COM_b06FwRodataAddr);
469: bnx_COM_b06FwRodataLen = ntohl(hdr->bnx_COM_b06FwRodataLen);
470: bnx_COM_b06FwBssAddr = ntohl(hdr->bnx_COM_b06FwBssAddr);
471: bnx_COM_b06FwBssLen = ntohl(hdr->bnx_COM_b06FwBssLen);
472: bnx_COM_b06FwSbssAddr = ntohl(hdr->bnx_COM_b06FwSbssAddr);
473: bnx_COM_b06FwSbssLen = ntohl(hdr->bnx_COM_b06FwSbssLen);
474:
475: bnx_RXP_b06FwReleaseMajor = ntohl(hdr->bnx_RXP_b06FwReleaseMajor);
476: bnx_RXP_b06FwReleaseMinor = ntohl(hdr->bnx_RXP_b06FwReleaseMinor);
477: bnx_RXP_b06FwReleaseFix = ntohl(hdr->bnx_RXP_b06FwReleaseFix);
478: bnx_RXP_b06FwStartAddr = ntohl(hdr->bnx_RXP_b06FwStartAddr);
479: bnx_RXP_b06FwTextAddr = ntohl(hdr->bnx_RXP_b06FwTextAddr);
480: bnx_RXP_b06FwTextLen = ntohl(hdr->bnx_RXP_b06FwTextLen);
481: bnx_RXP_b06FwDataAddr = ntohl(hdr->bnx_RXP_b06FwDataAddr);
482: bnx_RXP_b06FwDataLen = ntohl(hdr->bnx_RXP_b06FwDataLen);
483: bnx_RXP_b06FwRodataAddr = ntohl(hdr->bnx_RXP_b06FwRodataAddr);
484: bnx_RXP_b06FwRodataLen = ntohl(hdr->bnx_RXP_b06FwRodataLen);
485: bnx_RXP_b06FwBssAddr = ntohl(hdr->bnx_RXP_b06FwBssAddr);
486: bnx_RXP_b06FwBssLen = ntohl(hdr->bnx_RXP_b06FwBssLen);
487: bnx_RXP_b06FwSbssAddr = ntohl(hdr->bnx_RXP_b06FwSbssAddr);
488: bnx_RXP_b06FwSbssLen = ntohl(hdr->bnx_RXP_b06FwSbssLen);
489:
490: bnx_TPAT_b06FwReleaseMajor = ntohl(hdr->bnx_TPAT_b06FwReleaseMajor);
491: bnx_TPAT_b06FwReleaseMinor = ntohl(hdr->bnx_TPAT_b06FwReleaseMinor);
492: bnx_TPAT_b06FwReleaseFix = ntohl(hdr->bnx_TPAT_b06FwReleaseFix);
493: bnx_TPAT_b06FwStartAddr = ntohl(hdr->bnx_TPAT_b06FwStartAddr);
494: bnx_TPAT_b06FwTextAddr = ntohl(hdr->bnx_TPAT_b06FwTextAddr);
495: bnx_TPAT_b06FwTextLen = ntohl(hdr->bnx_TPAT_b06FwTextLen);
496: bnx_TPAT_b06FwDataAddr = ntohl(hdr->bnx_TPAT_b06FwDataAddr);
497: bnx_TPAT_b06FwDataLen = ntohl(hdr->bnx_TPAT_b06FwDataLen);
498: bnx_TPAT_b06FwRodataAddr = ntohl(hdr->bnx_TPAT_b06FwRodataAddr);
499: bnx_TPAT_b06FwRodataLen = ntohl(hdr->bnx_TPAT_b06FwRodataLen);
500: bnx_TPAT_b06FwBssAddr = ntohl(hdr->bnx_TPAT_b06FwBssAddr);
501: bnx_TPAT_b06FwBssLen = ntohl(hdr->bnx_TPAT_b06FwBssLen);
502: bnx_TPAT_b06FwSbssAddr = ntohl(hdr->bnx_TPAT_b06FwSbssAddr);
503: bnx_TPAT_b06FwSbssLen = ntohl(hdr->bnx_TPAT_b06FwSbssLen);
504:
505: bnx_TXP_b06FwReleaseMajor = ntohl(hdr->bnx_TXP_b06FwReleaseMajor);
506: bnx_TXP_b06FwReleaseMinor = ntohl(hdr->bnx_TXP_b06FwReleaseMinor);
507: bnx_TXP_b06FwReleaseFix = ntohl(hdr->bnx_TXP_b06FwReleaseFix);
508: bnx_TXP_b06FwStartAddr = ntohl(hdr->bnx_TXP_b06FwStartAddr);
509: bnx_TXP_b06FwTextAddr = ntohl(hdr->bnx_TXP_b06FwTextAddr);
510: bnx_TXP_b06FwTextLen = ntohl(hdr->bnx_TXP_b06FwTextLen);
511: bnx_TXP_b06FwDataAddr = ntohl(hdr->bnx_TXP_b06FwDataAddr);
512: bnx_TXP_b06FwDataLen = ntohl(hdr->bnx_TXP_b06FwDataLen);
513: bnx_TXP_b06FwRodataAddr = ntohl(hdr->bnx_TXP_b06FwRodataAddr);
514: bnx_TXP_b06FwRodataLen = ntohl(hdr->bnx_TXP_b06FwRodataLen);
515: bnx_TXP_b06FwBssAddr = ntohl(hdr->bnx_TXP_b06FwBssAddr);
516: bnx_TXP_b06FwBssLen = ntohl(hdr->bnx_TXP_b06FwBssLen);
517: bnx_TXP_b06FwSbssAddr = ntohl(hdr->bnx_TXP_b06FwSbssAddr);
518: bnx_TXP_b06FwSbssLen = ntohl(hdr->bnx_TXP_b06FwSbssLen);
519:
520: bnx_rv2p_proc1len = ntohl(hdr->bnx_rv2p_proc1len);
521: bnx_rv2p_proc2len = ntohl(hdr->bnx_rv2p_proc2len);
522:
523: q = p + sizeof(*hdr);
524:
525: bnx_COM_b06FwText = (u_int32_t *)q;
526: q += bnx_COM_b06FwTextLen;
527: nswaph(bnx_COM_b06FwText, bnx_COM_b06FwTextLen);
528: bnx_COM_b06FwData = (u_int32_t *)q;
529: q += bnx_COM_b06FwDataLen;
530: nswaph(bnx_COM_b06FwData, bnx_COM_b06FwDataLen);
531: bnx_COM_b06FwRodata = (u_int32_t *)q;
532: q += bnx_COM_b06FwRodataLen;
533: nswaph(bnx_COM_b06FwRodata, bnx_COM_b06FwRodataLen);
534: bnx_COM_b06FwBss = (u_int32_t *)q;
535: q += bnx_COM_b06FwBssLen;
536: nswaph(bnx_COM_b06FwBss, bnx_COM_b06FwBssLen);
537: bnx_COM_b06FwSbss = (u_int32_t *)q;
538: q += bnx_COM_b06FwSbssLen;
539: nswaph(bnx_COM_b06FwSbss, bnx_COM_b06FwSbssLen);
540:
541: bnx_RXP_b06FwText = (u_int32_t *)q;
542: q += bnx_RXP_b06FwTextLen;
543: nswaph(bnx_RXP_b06FwText, bnx_RXP_b06FwTextLen);
544: bnx_RXP_b06FwData = (u_int32_t *)q;
545: q += bnx_RXP_b06FwDataLen;
546: nswaph(bnx_RXP_b06FwData, bnx_RXP_b06FwDataLen);
547: bnx_RXP_b06FwRodata = (u_int32_t *)q;
548: q += bnx_RXP_b06FwRodataLen;
549: nswaph(bnx_RXP_b06FwRodata, bnx_RXP_b06FwRodataLen);
550: bnx_RXP_b06FwBss = (u_int32_t *)q;
551: q += bnx_RXP_b06FwBssLen;
552: nswaph(bnx_RXP_b06FwBss, bnx_RXP_b06FwBssLen);
553: bnx_RXP_b06FwSbss = (u_int32_t *)q;
554: q += bnx_RXP_b06FwSbssLen;
555: nswaph(bnx_RXP_b06FwSbss, bnx_RXP_b06FwSbssLen);
556:
557: bnx_TPAT_b06FwText = (u_int32_t *)q;
558: q += bnx_TPAT_b06FwTextLen;
559: nswaph(bnx_TPAT_b06FwText, bnx_TPAT_b06FwTextLen);
560: bnx_TPAT_b06FwData = (u_int32_t *)q;
561: q += bnx_TPAT_b06FwDataLen;
562: nswaph(bnx_TPAT_b06FwData, bnx_TPAT_b06FwDataLen);
563: bnx_TPAT_b06FwRodata = (u_int32_t *)q;
564: q += bnx_TPAT_b06FwRodataLen;
565: nswaph(bnx_TPAT_b06FwRodata, bnx_TPAT_b06FwRodataLen);
566: bnx_TPAT_b06FwBss = (u_int32_t *)q;
567: q += bnx_TPAT_b06FwBssLen;
568: nswaph(bnx_TPAT_b06FwBss, bnx_TPAT_b06FwBssLen);
569: bnx_TPAT_b06FwSbss = (u_int32_t *)q;
570: q += bnx_TPAT_b06FwSbssLen;
571: nswaph(bnx_TPAT_b06FwSbss, bnx_TPAT_b06FwSbssLen);
572:
573: bnx_TXP_b06FwText = (u_int32_t *)q;
574: q += bnx_TXP_b06FwTextLen;
575: nswaph(bnx_TXP_b06FwText, bnx_TXP_b06FwTextLen);
576: bnx_TXP_b06FwData = (u_int32_t *)q;
577: q += bnx_TXP_b06FwDataLen;
578: nswaph(bnx_TXP_b06FwData, bnx_TXP_b06FwDataLen);
579: bnx_TXP_b06FwRodata = (u_int32_t *)q;
580: q += bnx_TXP_b06FwRodataLen;
581: nswaph(bnx_TXP_b06FwRodata, bnx_TXP_b06FwRodataLen);
582: bnx_TXP_b06FwBss = (u_int32_t *)q;
583: q += bnx_TXP_b06FwBssLen;
584: nswaph(bnx_TXP_b06FwBss, bnx_TXP_b06FwBssLen);
585: bnx_TXP_b06FwSbss = (u_int32_t *)q;
586: q += bnx_TXP_b06FwSbssLen;
587: nswaph(bnx_TXP_b06FwSbss, bnx_TXP_b06FwSbssLen);
588:
589: bnx_rv2p_proc1 = (u_int32_t *)q;
590: q += bnx_rv2p_proc1len;
591: nswaph(bnx_rv2p_proc1, bnx_rv2p_proc1len);
592: bnx_rv2p_proc2 = (u_int32_t *)q;
593: q += bnx_rv2p_proc2len;
594: nswaph(bnx_rv2p_proc2, bnx_rv2p_proc2len);
595:
596: if (q - p != size) {
597: free(p, M_DEVBUF);
598: hdr = NULL;
599: return EINVAL;
600: }
601:
602: return (0);
603: }
604:
605:
606: /****************************************************************************/
607: /* Device attach function. */
608: /* */
609: /* Allocates device resources, performs secondary chip identification, */
610: /* resets and initializes the hardware, and initializes driver instance */
611: /* variables. */
612: /* */
613: /* Returns: */
614: /* 0 on success, positive value on failure. */
615: /****************************************************************************/
616: void
617: bnx_attach(struct device *parent, struct device *self, void *aux)
618: {
619: struct bnx_softc *sc = (struct bnx_softc *)self;
620: struct pci_attach_args *pa = aux;
621: pci_chipset_tag_t pc = pa->pa_pc;
622: u_int32_t val;
623: pcireg_t memtype;
624: const char *intrstr = NULL;
625:
626: sc->bnx_pa = *pa;
627:
628: /*
629: * Map control/status registers.
630: */
631: memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, BNX_PCI_BAR0);
632: switch (memtype) {
633: case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
634: case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
635: if (pci_mapreg_map(pa, BNX_PCI_BAR0,
636: memtype, 0, &sc->bnx_btag, &sc->bnx_bhandle,
637: NULL, &sc->bnx_size, 0) == 0)
638: break;
639: default:
640: printf(": can't find mem space\n");
641: return;
642: }
643:
644: if (pci_intr_map(pa, &sc->bnx_ih)) {
645: printf(": couldn't map interrupt\n");
646: goto bnx_attach_fail;
647: }
648: intrstr = pci_intr_string(pc, sc->bnx_ih);
649:
650: /*
651: * Configure byte swap and enable indirect register access.
652: * Rely on CPU to do target byte swapping on big endian systems.
653: * Access to registers outside of PCI configurtion space are not
654: * valid until this is done.
655: */
656: pci_conf_write(pa->pa_pc, pa->pa_tag, BNX_PCICFG_MISC_CONFIG,
657: BNX_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
658: BNX_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP);
659:
660: /* Save ASIC revsion info. */
661: sc->bnx_chipid = REG_RD(sc, BNX_MISC_ID);
662:
663: /* Weed out any non-production controller revisions. */
664: switch(BNX_CHIP_ID(sc)) {
665: case BNX_CHIP_ID_5706_A0:
666: case BNX_CHIP_ID_5706_A1:
667: case BNX_CHIP_ID_5708_A0:
668: case BNX_CHIP_ID_5708_B0:
669: printf(": unsupported controller revision (%c%d)!\n",
670: (((pci_conf_read(pa->pa_pc, pa->pa_tag, 0x08) & 0xf0) >> 4)
671: + 'A'), (pci_conf_read(pa->pa_pc, pa->pa_tag, 0x08) & 0xf));
672: goto bnx_attach_fail;
673: }
674:
675: if (BNX_CHIP_BOND_ID(sc) & BNX_CHIP_BOND_ID_SERDES_BIT) {
676: printf(": SerDes controllers are not supported!\n");
677: goto bnx_attach_fail;
678: }
679:
680: /*
681: * Find the base address for shared memory access.
682: * Newer versions of bootcode use a signature and offset
683: * while older versions use a fixed address.
684: */
685: val = REG_RD_IND(sc, BNX_SHM_HDR_SIGNATURE);
686: if ((val & BNX_SHM_HDR_SIGNATURE_SIG_MASK) == BNX_SHM_HDR_SIGNATURE_SIG)
687: sc->bnx_shmem_base = REG_RD_IND(sc, BNX_SHM_HDR_ADDR_0);
688: else
689: sc->bnx_shmem_base = HOST_VIEW_SHMEM_BASE;
690:
691: DBPRINT(sc, BNX_INFO, "bnx_shmem_base = 0x%08X\n", sc->bnx_shmem_base);
692:
693: /* Set initial device and PHY flags */
694: sc->bnx_flags = 0;
695: sc->bnx_phy_flags = 0;
696:
697: /* Get PCI bus information (speed and type). */
698: val = REG_RD(sc, BNX_PCICFG_MISC_STATUS);
699: if (val & BNX_PCICFG_MISC_STATUS_PCIX_DET) {
700: u_int32_t clkreg;
701:
702: sc->bnx_flags |= BNX_PCIX_FLAG;
703:
704: clkreg = REG_RD(sc, BNX_PCICFG_PCI_CLOCK_CONTROL_BITS);
705:
706: clkreg &= BNX_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
707: switch (clkreg) {
708: case BNX_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
709: sc->bus_speed_mhz = 133;
710: break;
711:
712: case BNX_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
713: sc->bus_speed_mhz = 100;
714: break;
715:
716: case BNX_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
717: case BNX_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
718: sc->bus_speed_mhz = 66;
719: break;
720:
721: case BNX_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
722: case BNX_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
723: sc->bus_speed_mhz = 50;
724: break;
725:
726: case BNX_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
727: case BNX_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
728: case BNX_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
729: sc->bus_speed_mhz = 33;
730: break;
731: }
732: } else if (val & BNX_PCICFG_MISC_STATUS_M66EN)
733: sc->bus_speed_mhz = 66;
734: else
735: sc->bus_speed_mhz = 33;
736:
737: if (val & BNX_PCICFG_MISC_STATUS_32BIT_DET)
738: sc->bnx_flags |= BNX_PCI_32BIT_FLAG;
739:
740: printf(": %s\n", intrstr);
741:
742: /* Hookup IRQ last. */
743: sc->bnx_intrhand = pci_intr_establish(pc, sc->bnx_ih, IPL_NET,
744: bnx_intr, sc, sc->bnx_dev.dv_xname);
745: if (sc->bnx_intrhand == NULL) {
746: printf("%s: couldn't establish interrupt\n",
747: sc->bnx_dev.dv_xname);
748: goto bnx_attach_fail;
749: }
750:
751: mountroothook_establish(bnx_attachhook, sc);
752: return;
753:
754: bnx_attach_fail:
755: bnx_release_resources(sc);
756: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
757: }
758:
759: void
760: bnx_attachhook(void *xsc)
761: {
762: struct bnx_softc *sc = xsc;
763: struct pci_attach_args *pa = &sc->bnx_pa;
764: struct ifnet *ifp;
765: u_int32_t val;
766: int error;
767:
768: if ((error = bnx_read_firmware(sc)) != 0) {
769: printf("%s: could not read firmware (error=%d)\n",
770: sc->bnx_dev.dv_xname, error);
771: return;
772: }
773:
774: /* Reset the controller. */
775: if (bnx_reset(sc, BNX_DRV_MSG_CODE_RESET))
776: goto bnx_attach_fail;
777:
778: /* Initialize the controller. */
779: if (bnx_chipinit(sc)) {
780: printf("%s: Controller initialization failed!\n",
781: sc->bnx_dev.dv_xname);
782: goto bnx_attach_fail;
783: }
784:
785: /* Perform NVRAM test. */
786: if (bnx_nvram_test(sc)) {
787: printf("%s: NVRAM test failed!\n",
788: sc->bnx_dev.dv_xname);
789: goto bnx_attach_fail;
790: }
791:
792: /* Fetch the permanent Ethernet MAC address. */
793: bnx_get_mac_addr(sc);
794:
795: /*
796: * Trip points control how many BDs
797: * should be ready before generating an
798: * interrupt while ticks control how long
799: * a BD can sit in the chain before
800: * generating an interrupt. Set the default
801: * values for the RX and TX rings.
802: */
803:
804: #ifdef BNX_DEBUG
805: /* Force more frequent interrupts. */
806: sc->bnx_tx_quick_cons_trip_int = 1;
807: sc->bnx_tx_quick_cons_trip = 1;
808: sc->bnx_tx_ticks_int = 0;
809: sc->bnx_tx_ticks = 0;
810:
811: sc->bnx_rx_quick_cons_trip_int = 1;
812: sc->bnx_rx_quick_cons_trip = 1;
813: sc->bnx_rx_ticks_int = 0;
814: sc->bnx_rx_ticks = 0;
815: #else
816: sc->bnx_tx_quick_cons_trip_int = 20;
817: sc->bnx_tx_quick_cons_trip = 20;
818: sc->bnx_tx_ticks_int = 80;
819: sc->bnx_tx_ticks = 80;
820:
821: sc->bnx_rx_quick_cons_trip_int = 6;
822: sc->bnx_rx_quick_cons_trip = 6;
823: sc->bnx_rx_ticks_int = 18;
824: sc->bnx_rx_ticks = 18;
825: #endif
826:
827: /* Update statistics once every second. */
828: sc->bnx_stats_ticks = 1000000 & 0xffff00;
829:
830: /*
831: * The copper based NetXtreme II controllers
832: * use an integrated PHY at address 1 while
833: * the SerDes controllers use a PHY at
834: * address 2.
835: */
836: sc->bnx_phy_addr = 1;
837:
838: if (BNX_CHIP_BOND_ID(sc) & BNX_CHIP_BOND_ID_SERDES_BIT) {
839: sc->bnx_phy_flags |= BNX_PHY_SERDES_FLAG;
840: sc->bnx_flags |= BNX_NO_WOL_FLAG;
841: if (BNX_CHIP_NUM(sc) == BNX_CHIP_NUM_5708) {
842: sc->bnx_phy_addr = 2;
843: val = REG_RD_IND(sc, sc->bnx_shmem_base +
844: BNX_SHARED_HW_CFG_CONFIG);
845: if (val & BNX_SHARED_HW_CFG_PHY_2_5G)
846: sc->bnx_phy_flags |= BNX_PHY_2_5G_CAPABLE_FLAG;
847: }
848: }
849:
850: if (sc->bnx_phy_flags & BNX_PHY_SERDES_FLAG) {
851: printf(": SerDes is not supported by this driver!\n");
852: goto bnx_attach_fail;
853: }
854:
855: /* Allocate DMA memory resources. */
856: sc->bnx_dmatag = pa->pa_dmat;
857: if (bnx_dma_alloc(sc)) {
858: printf("%s: DMA resource allocation failed!\n",
859: sc->bnx_dev.dv_xname);
860: goto bnx_attach_fail;
861: }
862:
863: /* Initialize the ifnet interface. */
864: ifp = &sc->arpcom.ac_if;
865: ifp->if_softc = sc;
866: ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
867: ifp->if_ioctl = bnx_ioctl;
868: ifp->if_start = bnx_start;
869: ifp->if_watchdog = bnx_watchdog;
870: if (sc->bnx_phy_flags & BNX_PHY_2_5G_CAPABLE_FLAG)
871: ifp->if_baudrate = IF_Gbps(2.5);
872: else
873: ifp->if_baudrate = IF_Gbps(1);
874: IFQ_SET_MAXLEN(&ifp->if_snd, USABLE_TX_BD - 1);
875: IFQ_SET_READY(&ifp->if_snd);
876: bcopy(sc->eaddr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
877: bcopy(sc->bnx_dev.dv_xname, ifp->if_xname, IFNAMSIZ);
878:
879: ifp->if_capabilities = IFCAP_VLAN_MTU;
880:
881: #ifdef BNX_CSUM
882: ifp->if_capabilities |= IFCAP_CSUM_TCPv4 | IFCAP_CSUM_UDPv4;
883: #endif
884:
885: #if NVLAN > 0
886: ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING;
887: #endif
888:
889: sc->mbuf_alloc_size = BNX_MAX_MRU;
890:
891: printf("%s: address %s\n", sc->bnx_dev.dv_xname,
892: ether_sprintf(sc->arpcom.ac_enaddr));
893:
894: sc->bnx_mii.mii_ifp = ifp;
895: sc->bnx_mii.mii_readreg = bnx_miibus_read_reg;
896: sc->bnx_mii.mii_writereg = bnx_miibus_write_reg;
897: sc->bnx_mii.mii_statchg = bnx_miibus_statchg;
898:
899: /* Look for our PHY. */
900: ifmedia_init(&sc->bnx_mii.mii_media, 0, bnx_ifmedia_upd,
901: bnx_ifmedia_sts);
902: mii_attach(&sc->bnx_dev, &sc->bnx_mii, 0xffffffff,
903: MII_PHY_ANY, MII_OFFSET_ANY, 0);
904:
905: if (LIST_FIRST(&sc->bnx_mii.mii_phys) == NULL) {
906: printf("%s: no PHY found!\n", sc->bnx_dev.dv_xname);
907: ifmedia_add(&sc->bnx_mii.mii_media,
908: IFM_ETHER|IFM_MANUAL, 0, NULL);
909: ifmedia_set(&sc->bnx_mii.mii_media,
910: IFM_ETHER|IFM_MANUAL);
911: } else {
912: ifmedia_set(&sc->bnx_mii.mii_media,
913: IFM_ETHER|IFM_AUTO);
914: }
915:
916: /* Attach to the Ethernet interface list. */
917: if_attach(ifp);
918: ether_ifattach(ifp);
919:
920: timeout_set(&sc->bnx_timeout, bnx_tick, sc);
921:
922: /* Print some important debugging info. */
923: DBRUN(BNX_INFO, bnx_dump_driver_state(sc));
924:
925: /* Get the firmware running so ASF still works. */
926: bnx_mgmt_init(sc);
927:
928: /* Handle interrupts */
929: sc->bnx_flags |= BNX_ACTIVE_FLAG;
930:
931: goto bnx_attach_exit;
932:
933: bnx_attach_fail:
934: bnx_release_resources(sc);
935:
936: bnx_attach_exit:
937: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
938: }
939:
940: /****************************************************************************/
941: /* Device detach function. */
942: /* */
943: /* Stops the controller, resets the controller, and releases resources. */
944: /* */
945: /* Returns: */
946: /* 0 on success, positive value on failure. */
947: /****************************************************************************/
948: #if 0
949: void
950: bnx_detach(void *xsc)
951: {
952: struct bnx_softc *sc;
953: struct ifnet *ifp = &sc->arpcom.ac_if;
954:
955: sc = device_get_softc(dev);
956:
957: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
958:
959: /* Stop and reset the controller. */
960: bnx_stop(sc);
961: bnx_reset(sc, BNX_DRV_MSG_CODE_RESET);
962:
963: ether_ifdetach(ifp);
964:
965: /* If we have a child device on the MII bus remove it too. */
966: if (sc->bnx_phy_flags & BNX_PHY_SERDES_FLAG) {
967: ifmedia_removeall(&sc->bnx_ifmedia);
968: } else {
969: bus_generic_detach(dev);
970: device_delete_child(dev, sc->bnx_mii);
971: }
972:
973: /* Release all remaining resources. */
974: bnx_release_resources(sc);
975:
976: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
977:
978: return(0);
979: }
980: #endif
981:
982: /****************************************************************************/
983: /* Device shutdown function. */
984: /* */
985: /* Stops and resets the controller. */
986: /* */
987: /* Returns: */
988: /* Nothing */
989: /****************************************************************************/
990: void
991: bnx_shutdown(void *xsc)
992: {
993: struct bnx_softc *sc = (struct bnx_softc *)xsc;
994:
995: bnx_stop(sc);
996: bnx_reset(sc, BNX_DRV_MSG_CODE_RESET);
997: }
998:
999: /****************************************************************************/
1000: /* Indirect register read. */
1001: /* */
1002: /* Reads NetXtreme II registers using an index/data register pair in PCI */
1003: /* configuration space. Using this mechanism avoids issues with posted */
1004: /* reads but is much slower than memory-mapped I/O. */
1005: /* */
1006: /* Returns: */
1007: /* The value of the register. */
1008: /****************************************************************************/
1009: u_int32_t
1010: bnx_reg_rd_ind(struct bnx_softc *sc, u_int32_t offset)
1011: {
1012: struct pci_attach_args *pa = &(sc->bnx_pa);
1013:
1014: pci_conf_write(pa->pa_pc, pa->pa_tag, BNX_PCICFG_REG_WINDOW_ADDRESS,
1015: offset);
1016: #ifdef BNX_DEBUG
1017: {
1018: u_int32_t val;
1019: val = pci_conf_read(pa->pa_pc, pa->pa_tag,
1020: BNX_PCICFG_REG_WINDOW);
1021: DBPRINT(sc, BNX_EXCESSIVE, "%s(); offset = 0x%08X, "
1022: "val = 0x%08X\n", __FUNCTION__, offset, val);
1023: return (val);
1024: }
1025: #else
1026: return pci_conf_read(pa->pa_pc, pa->pa_tag, BNX_PCICFG_REG_WINDOW);
1027: #endif
1028: }
1029:
1030: /****************************************************************************/
1031: /* Indirect register write. */
1032: /* */
1033: /* Writes NetXtreme II registers using an index/data register pair in PCI */
1034: /* configuration space. Using this mechanism avoids issues with posted */
1035: /* writes but is muchh slower than memory-mapped I/O. */
1036: /* */
1037: /* Returns: */
1038: /* Nothing. */
1039: /****************************************************************************/
1040: void
1041: bnx_reg_wr_ind(struct bnx_softc *sc, u_int32_t offset, u_int32_t val)
1042: {
1043: struct pci_attach_args *pa = &(sc->bnx_pa);
1044:
1045: DBPRINT(sc, BNX_EXCESSIVE, "%s(); offset = 0x%08X, val = 0x%08X\n",
1046: __FUNCTION__, offset, val);
1047:
1048: pci_conf_write(pa->pa_pc, pa->pa_tag, BNX_PCICFG_REG_WINDOW_ADDRESS,
1049: offset);
1050: pci_conf_write(pa->pa_pc, pa->pa_tag, BNX_PCICFG_REG_WINDOW, val);
1051: }
1052:
1053: /****************************************************************************/
1054: /* Context memory write. */
1055: /* */
1056: /* The NetXtreme II controller uses context memory to track connection */
1057: /* information for L2 and higher network protocols. */
1058: /* */
1059: /* Returns: */
1060: /* Nothing. */
1061: /****************************************************************************/
1062: void
1063: bnx_ctx_wr(struct bnx_softc *sc, u_int32_t cid_addr, u_int32_t offset,
1064: u_int32_t val)
1065: {
1066:
1067: DBPRINT(sc, BNX_EXCESSIVE, "%s(); cid_addr = 0x%08X, offset = 0x%08X, "
1068: "val = 0x%08X\n", __FUNCTION__, cid_addr, offset, val);
1069:
1070: offset += cid_addr;
1071: REG_WR(sc, BNX_CTX_DATA_ADR, offset);
1072: REG_WR(sc, BNX_CTX_DATA, val);
1073: }
1074:
1075: /****************************************************************************/
1076: /* PHY register read. */
1077: /* */
1078: /* Implements register reads on the MII bus. */
1079: /* */
1080: /* Returns: */
1081: /* The value of the register. */
1082: /****************************************************************************/
1083: int
1084: bnx_miibus_read_reg(struct device *dev, int phy, int reg)
1085: {
1086: struct bnx_softc *sc = (struct bnx_softc *)dev;
1087: u_int32_t val;
1088: int i;
1089:
1090: /* Make sure we are accessing the correct PHY address. */
1091: if (phy != sc->bnx_phy_addr) {
1092: DBPRINT(sc, BNX_VERBOSE,
1093: "Invalid PHY address %d for PHY read!\n", phy);
1094: return(0);
1095: }
1096:
1097: if (sc->bnx_phy_flags & BNX_PHY_INT_MODE_AUTO_POLLING_FLAG) {
1098: val = REG_RD(sc, BNX_EMAC_MDIO_MODE);
1099: val &= ~BNX_EMAC_MDIO_MODE_AUTO_POLL;
1100:
1101: REG_WR(sc, BNX_EMAC_MDIO_MODE, val);
1102: REG_RD(sc, BNX_EMAC_MDIO_MODE);
1103:
1104: DELAY(40);
1105: }
1106:
1107: val = BNX_MIPHY(phy) | BNX_MIREG(reg) |
1108: BNX_EMAC_MDIO_COMM_COMMAND_READ | BNX_EMAC_MDIO_COMM_DISEXT |
1109: BNX_EMAC_MDIO_COMM_START_BUSY;
1110: REG_WR(sc, BNX_EMAC_MDIO_COMM, val);
1111:
1112: for (i = 0; i < BNX_PHY_TIMEOUT; i++) {
1113: DELAY(10);
1114:
1115: val = REG_RD(sc, BNX_EMAC_MDIO_COMM);
1116: if (!(val & BNX_EMAC_MDIO_COMM_START_BUSY)) {
1117: DELAY(5);
1118:
1119: val = REG_RD(sc, BNX_EMAC_MDIO_COMM);
1120: val &= BNX_EMAC_MDIO_COMM_DATA;
1121:
1122: break;
1123: }
1124: }
1125:
1126: if (val & BNX_EMAC_MDIO_COMM_START_BUSY) {
1127: BNX_PRINTF(sc, "%s(%d): Error: PHY read timeout! phy = %d, "
1128: "reg = 0x%04X\n", __FILE__, __LINE__, phy, reg);
1129: val = 0x0;
1130: } else
1131: val = REG_RD(sc, BNX_EMAC_MDIO_COMM);
1132:
1133: DBPRINT(sc, BNX_EXCESSIVE,
1134: "%s(): phy = %d, reg = 0x%04X, val = 0x%04X\n", __FUNCTION__, phy,
1135: (u_int16_t) reg & 0xffff, (u_int16_t) val & 0xffff);
1136:
1137: if (sc->bnx_phy_flags & BNX_PHY_INT_MODE_AUTO_POLLING_FLAG) {
1138: val = REG_RD(sc, BNX_EMAC_MDIO_MODE);
1139: val |= BNX_EMAC_MDIO_MODE_AUTO_POLL;
1140:
1141: REG_WR(sc, BNX_EMAC_MDIO_MODE, val);
1142: REG_RD(sc, BNX_EMAC_MDIO_MODE);
1143:
1144: DELAY(40);
1145: }
1146:
1147: return (val & 0xffff);
1148: }
1149:
1150: /****************************************************************************/
1151: /* PHY register write. */
1152: /* */
1153: /* Implements register writes on the MII bus. */
1154: /* */
1155: /* Returns: */
1156: /* The value of the register. */
1157: /****************************************************************************/
1158: void
1159: bnx_miibus_write_reg(struct device *dev, int phy, int reg, int val)
1160: {
1161: struct bnx_softc *sc = (struct bnx_softc *)dev;
1162: u_int32_t val1;
1163: int i;
1164:
1165: /* Make sure we are accessing the correct PHY address. */
1166: if (phy != sc->bnx_phy_addr) {
1167: DBPRINT(sc, BNX_WARN, "Invalid PHY address %d for PHY write!\n",
1168: phy);
1169: return;
1170: }
1171:
1172: DBPRINT(sc, BNX_EXCESSIVE, "%s(): phy = %d, reg = 0x%04X, "
1173: "val = 0x%04X\n", __FUNCTION__,
1174: phy, (u_int16_t) reg & 0xffff, (u_int16_t) val & 0xffff);
1175:
1176: if (sc->bnx_phy_flags & BNX_PHY_INT_MODE_AUTO_POLLING_FLAG) {
1177: val1 = REG_RD(sc, BNX_EMAC_MDIO_MODE);
1178: val1 &= ~BNX_EMAC_MDIO_MODE_AUTO_POLL;
1179:
1180: REG_WR(sc, BNX_EMAC_MDIO_MODE, val1);
1181: REG_RD(sc, BNX_EMAC_MDIO_MODE);
1182:
1183: DELAY(40);
1184: }
1185:
1186: val1 = BNX_MIPHY(phy) | BNX_MIREG(reg) | val |
1187: BNX_EMAC_MDIO_COMM_COMMAND_WRITE |
1188: BNX_EMAC_MDIO_COMM_START_BUSY | BNX_EMAC_MDIO_COMM_DISEXT;
1189: REG_WR(sc, BNX_EMAC_MDIO_COMM, val1);
1190:
1191: for (i = 0; i < BNX_PHY_TIMEOUT; i++) {
1192: DELAY(10);
1193:
1194: val1 = REG_RD(sc, BNX_EMAC_MDIO_COMM);
1195: if (!(val1 & BNX_EMAC_MDIO_COMM_START_BUSY)) {
1196: DELAY(5);
1197: break;
1198: }
1199: }
1200:
1201: if (val1 & BNX_EMAC_MDIO_COMM_START_BUSY) {
1202: BNX_PRINTF(sc, "%s(%d): PHY write timeout!\n", __FILE__,
1203: __LINE__);
1204: }
1205:
1206: if (sc->bnx_phy_flags & BNX_PHY_INT_MODE_AUTO_POLLING_FLAG) {
1207: val1 = REG_RD(sc, BNX_EMAC_MDIO_MODE);
1208: val1 |= BNX_EMAC_MDIO_MODE_AUTO_POLL;
1209:
1210: REG_WR(sc, BNX_EMAC_MDIO_MODE, val1);
1211: REG_RD(sc, BNX_EMAC_MDIO_MODE);
1212:
1213: DELAY(40);
1214: }
1215: }
1216:
1217: /****************************************************************************/
1218: /* MII bus status change. */
1219: /* */
1220: /* Called by the MII bus driver when the PHY establishes link to set the */
1221: /* MAC interface registers. */
1222: /* */
1223: /* Returns: */
1224: /* Nothing. */
1225: /****************************************************************************/
1226: void
1227: bnx_miibus_statchg(struct device *dev)
1228: {
1229: struct bnx_softc *sc = (struct bnx_softc *)dev;
1230: struct mii_data *mii = &sc->bnx_mii;
1231:
1232: BNX_CLRBIT(sc, BNX_EMAC_MODE, BNX_EMAC_MODE_PORT);
1233:
1234: /* Set MII or GMII inerface based on the speed negotiated by the PHY. */
1235: if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T) {
1236: DBPRINT(sc, BNX_INFO, "Setting GMII interface.\n");
1237: BNX_SETBIT(sc, BNX_EMAC_MODE, BNX_EMAC_MODE_PORT_GMII);
1238: } else {
1239: DBPRINT(sc, BNX_INFO, "Setting MII interface.\n");
1240: BNX_SETBIT(sc, BNX_EMAC_MODE, BNX_EMAC_MODE_PORT_MII);
1241: }
1242:
1243: /* Set half or full duplex based on the duplicity
1244: * negotiated by the PHY.
1245: */
1246: if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) {
1247: DBPRINT(sc, BNX_INFO, "Setting Full-Duplex interface.\n");
1248: BNX_CLRBIT(sc, BNX_EMAC_MODE, BNX_EMAC_MODE_HALF_DUPLEX);
1249: } else {
1250: DBPRINT(sc, BNX_INFO, "Setting Half-Duplex interface.\n");
1251: BNX_SETBIT(sc, BNX_EMAC_MODE, BNX_EMAC_MODE_HALF_DUPLEX);
1252: }
1253: }
1254:
1255: /****************************************************************************/
1256: /* Acquire NVRAM lock. */
1257: /* */
1258: /* Before the NVRAM can be accessed the caller must acquire an NVRAM lock. */
1259: /* Locks 0 and 2 are reserved, lock 1 is used by firmware and lock 2 is */
1260: /* for use by the driver. */
1261: /* */
1262: /* Returns: */
1263: /* 0 on success, positive value on failure. */
1264: /****************************************************************************/
1265: int
1266: bnx_acquire_nvram_lock(struct bnx_softc *sc)
1267: {
1268: u_int32_t val;
1269: int j;
1270:
1271: DBPRINT(sc, BNX_VERBOSE, "Acquiring NVRAM lock.\n");
1272:
1273: /* Request access to the flash interface. */
1274: REG_WR(sc, BNX_NVM_SW_ARB, BNX_NVM_SW_ARB_ARB_REQ_SET2);
1275: for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
1276: val = REG_RD(sc, BNX_NVM_SW_ARB);
1277: if (val & BNX_NVM_SW_ARB_ARB_ARB2)
1278: break;
1279:
1280: DELAY(5);
1281: }
1282:
1283: if (j >= NVRAM_TIMEOUT_COUNT) {
1284: DBPRINT(sc, BNX_WARN, "Timeout acquiring NVRAM lock!\n");
1285: return (EBUSY);
1286: }
1287:
1288: return (0);
1289: }
1290:
1291: /****************************************************************************/
1292: /* Release NVRAM lock. */
1293: /* */
1294: /* When the caller is finished accessing NVRAM the lock must be released. */
1295: /* Locks 0 and 2 are reserved, lock 1 is used by firmware and lock 2 is */
1296: /* for use by the driver. */
1297: /* */
1298: /* Returns: */
1299: /* 0 on success, positive value on failure. */
1300: /****************************************************************************/
1301: int
1302: bnx_release_nvram_lock(struct bnx_softc *sc)
1303: {
1304: int j;
1305: u_int32_t val;
1306:
1307: DBPRINT(sc, BNX_VERBOSE, "Releasing NVRAM lock.\n");
1308:
1309: /* Relinquish nvram interface. */
1310: REG_WR(sc, BNX_NVM_SW_ARB, BNX_NVM_SW_ARB_ARB_REQ_CLR2);
1311:
1312: for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
1313: val = REG_RD(sc, BNX_NVM_SW_ARB);
1314: if (!(val & BNX_NVM_SW_ARB_ARB_ARB2))
1315: break;
1316:
1317: DELAY(5);
1318: }
1319:
1320: if (j >= NVRAM_TIMEOUT_COUNT) {
1321: DBPRINT(sc, BNX_WARN, "Timeout reeasing NVRAM lock!\n");
1322: return (EBUSY);
1323: }
1324:
1325: return (0);
1326: }
1327:
1328: #ifdef BNX_NVRAM_WRITE_SUPPORT
1329: /****************************************************************************/
1330: /* Enable NVRAM write access. */
1331: /* */
1332: /* Before writing to NVRAM the caller must enable NVRAM writes. */
1333: /* */
1334: /* Returns: */
1335: /* 0 on success, positive value on failure. */
1336: /****************************************************************************/
1337: int
1338: bnx_enable_nvram_write(struct bnx_softc *sc)
1339: {
1340: u_int32_t val;
1341:
1342: DBPRINT(sc, BNX_VERBOSE, "Enabling NVRAM write.\n");
1343:
1344: val = REG_RD(sc, BNX_MISC_CFG);
1345: REG_WR(sc, BNX_MISC_CFG, val | BNX_MISC_CFG_NVM_WR_EN_PCI);
1346:
1347: if (!sc->bnx_flash_info->buffered) {
1348: int j;
1349:
1350: REG_WR(sc, BNX_NVM_COMMAND, BNX_NVM_COMMAND_DONE);
1351: REG_WR(sc, BNX_NVM_COMMAND,
1352: BNX_NVM_COMMAND_WREN | BNX_NVM_COMMAND_DOIT);
1353:
1354: for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
1355: DELAY(5);
1356:
1357: val = REG_RD(sc, BNX_NVM_COMMAND);
1358: if (val & BNX_NVM_COMMAND_DONE)
1359: break;
1360: }
1361:
1362: if (j >= NVRAM_TIMEOUT_COUNT) {
1363: DBPRINT(sc, BNX_WARN, "Timeout writing NVRAM!\n");
1364: return (EBUSY);
1365: }
1366: }
1367:
1368: return (0);
1369: }
1370:
1371: /****************************************************************************/
1372: /* Disable NVRAM write access. */
1373: /* */
1374: /* When the caller is finished writing to NVRAM write access must be */
1375: /* disabled. */
1376: /* */
1377: /* Returns: */
1378: /* Nothing. */
1379: /****************************************************************************/
1380: void
1381: bnx_disable_nvram_write(struct bnx_softc *sc)
1382: {
1383: u_int32_t val;
1384:
1385: DBPRINT(sc, BNX_VERBOSE, "Disabling NVRAM write.\n");
1386:
1387: val = REG_RD(sc, BNX_MISC_CFG);
1388: REG_WR(sc, BNX_MISC_CFG, val & ~BNX_MISC_CFG_NVM_WR_EN);
1389: }
1390: #endif
1391:
1392: /****************************************************************************/
1393: /* Enable NVRAM access. */
1394: /* */
1395: /* Before accessing NVRAM for read or write operations the caller must */
1396: /* enabled NVRAM access. */
1397: /* */
1398: /* Returns: */
1399: /* Nothing. */
1400: /****************************************************************************/
1401: void
1402: bnx_enable_nvram_access(struct bnx_softc *sc)
1403: {
1404: u_int32_t val;
1405:
1406: DBPRINT(sc, BNX_VERBOSE, "Enabling NVRAM access.\n");
1407:
1408: val = REG_RD(sc, BNX_NVM_ACCESS_ENABLE);
1409: /* Enable both bits, even on read. */
1410: REG_WR(sc, BNX_NVM_ACCESS_ENABLE,
1411: val | BNX_NVM_ACCESS_ENABLE_EN | BNX_NVM_ACCESS_ENABLE_WR_EN);
1412: }
1413:
1414: /****************************************************************************/
1415: /* Disable NVRAM access. */
1416: /* */
1417: /* When the caller is finished accessing NVRAM access must be disabled. */
1418: /* */
1419: /* Returns: */
1420: /* Nothing. */
1421: /****************************************************************************/
1422: void
1423: bnx_disable_nvram_access(struct bnx_softc *sc)
1424: {
1425: u_int32_t val;
1426:
1427: DBPRINT(sc, BNX_VERBOSE, "Disabling NVRAM access.\n");
1428:
1429: val = REG_RD(sc, BNX_NVM_ACCESS_ENABLE);
1430:
1431: /* Disable both bits, even after read. */
1432: REG_WR(sc, BNX_NVM_ACCESS_ENABLE,
1433: val & ~(BNX_NVM_ACCESS_ENABLE_EN | BNX_NVM_ACCESS_ENABLE_WR_EN));
1434: }
1435:
1436: #ifdef BNX_NVRAM_WRITE_SUPPORT
1437: /****************************************************************************/
1438: /* Erase NVRAM page before writing. */
1439: /* */
1440: /* Non-buffered flash parts require that a page be erased before it is */
1441: /* written. */
1442: /* */
1443: /* Returns: */
1444: /* 0 on success, positive value on failure. */
1445: /****************************************************************************/
1446: int
1447: bnx_nvram_erase_page(struct bnx_softc *sc, u_int32_t offset)
1448: {
1449: u_int32_t cmd;
1450: int j;
1451:
1452: /* Buffered flash doesn't require an erase. */
1453: if (sc->bnx_flash_info->buffered)
1454: return (0);
1455:
1456: DBPRINT(sc, BNX_VERBOSE, "Erasing NVRAM page.\n");
1457:
1458: /* Build an erase command. */
1459: cmd = BNX_NVM_COMMAND_ERASE | BNX_NVM_COMMAND_WR |
1460: BNX_NVM_COMMAND_DOIT;
1461:
1462: /*
1463: * Clear the DONE bit separately, set the NVRAM address to erase,
1464: * and issue the erase command.
1465: */
1466: REG_WR(sc, BNX_NVM_COMMAND, BNX_NVM_COMMAND_DONE);
1467: REG_WR(sc, BNX_NVM_ADDR, offset & BNX_NVM_ADDR_NVM_ADDR_VALUE);
1468: REG_WR(sc, BNX_NVM_COMMAND, cmd);
1469:
1470: /* Wait for completion. */
1471: for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
1472: u_int32_t val;
1473:
1474: DELAY(5);
1475:
1476: val = REG_RD(sc, BNX_NVM_COMMAND);
1477: if (val & BNX_NVM_COMMAND_DONE)
1478: break;
1479: }
1480:
1481: if (j >= NVRAM_TIMEOUT_COUNT) {
1482: DBPRINT(sc, BNX_WARN, "Timeout erasing NVRAM.\n");
1483: return (EBUSY);
1484: }
1485:
1486: return (0);
1487: }
1488: #endif /* BNX_NVRAM_WRITE_SUPPORT */
1489:
1490: /****************************************************************************/
1491: /* Read a dword (32 bits) from NVRAM. */
1492: /* */
1493: /* Read a 32 bit word from NVRAM. The caller is assumed to have already */
1494: /* obtained the NVRAM lock and enabled the controller for NVRAM access. */
1495: /* */
1496: /* Returns: */
1497: /* 0 on success and the 32 bit value read, positive value on failure. */
1498: /****************************************************************************/
1499: int
1500: bnx_nvram_read_dword(struct bnx_softc *sc, u_int32_t offset,
1501: u_int8_t *ret_val, u_int32_t cmd_flags)
1502: {
1503: u_int32_t cmd;
1504: int i, rc = 0;
1505:
1506: /* Build the command word. */
1507: cmd = BNX_NVM_COMMAND_DOIT | cmd_flags;
1508:
1509: /* Calculate the offset for buffered flash. */
1510: if (sc->bnx_flash_info->buffered)
1511: offset = ((offset / sc->bnx_flash_info->page_size) <<
1512: sc->bnx_flash_info->page_bits) +
1513: (offset % sc->bnx_flash_info->page_size);
1514:
1515: /*
1516: * Clear the DONE bit separately, set the address to read,
1517: * and issue the read.
1518: */
1519: REG_WR(sc, BNX_NVM_COMMAND, BNX_NVM_COMMAND_DONE);
1520: REG_WR(sc, BNX_NVM_ADDR, offset & BNX_NVM_ADDR_NVM_ADDR_VALUE);
1521: REG_WR(sc, BNX_NVM_COMMAND, cmd);
1522:
1523: /* Wait for completion. */
1524: for (i = 0; i < NVRAM_TIMEOUT_COUNT; i++) {
1525: u_int32_t val;
1526:
1527: DELAY(5);
1528:
1529: val = REG_RD(sc, BNX_NVM_COMMAND);
1530: if (val & BNX_NVM_COMMAND_DONE) {
1531: val = REG_RD(sc, BNX_NVM_READ);
1532:
1533: val = bnx_be32toh(val);
1534: memcpy(ret_val, &val, 4);
1535: break;
1536: }
1537: }
1538:
1539: /* Check for errors. */
1540: if (i >= NVRAM_TIMEOUT_COUNT) {
1541: BNX_PRINTF(sc, "%s(%d): Timeout error reading NVRAM at "
1542: "offset 0x%08X!\n", __FILE__, __LINE__, offset);
1543: rc = EBUSY;
1544: }
1545:
1546: return(rc);
1547: }
1548:
1549: #ifdef BNX_NVRAM_WRITE_SUPPORT
1550: /****************************************************************************/
1551: /* Write a dword (32 bits) to NVRAM. */
1552: /* */
1553: /* Write a 32 bit word to NVRAM. The caller is assumed to have already */
1554: /* obtained the NVRAM lock, enabled the controller for NVRAM access, and */
1555: /* enabled NVRAM write access. */
1556: /* */
1557: /* Returns: */
1558: /* 0 on success, positive value on failure. */
1559: /****************************************************************************/
1560: int
1561: bnx_nvram_write_dword(struct bnx_softc *sc, u_int32_t offset, u_int8_t *val,
1562: u_int32_t cmd_flags)
1563: {
1564: u_int32_t cmd, val32;
1565: int j;
1566:
1567: /* Build the command word. */
1568: cmd = BNX_NVM_COMMAND_DOIT | BNX_NVM_COMMAND_WR | cmd_flags;
1569:
1570: /* Calculate the offset for buffered flash. */
1571: if (sc->bnx_flash_info->buffered)
1572: offset = ((offset / sc->bnx_flash_info->page_size) <<
1573: sc->bnx_flash_info->page_bits) +
1574: (offset % sc->bnx_flash_info->page_size);
1575:
1576: /*
1577: * Clear the DONE bit separately, convert NVRAM data to big-endian,
1578: * set the NVRAM address to write, and issue the write command
1579: */
1580: REG_WR(sc, BNX_NVM_COMMAND, BNX_NVM_COMMAND_DONE);
1581: memcpy(&val32, val, 4);
1582: val32 = htobe32(val32);
1583: REG_WR(sc, BNX_NVM_WRITE, val32);
1584: REG_WR(sc, BNX_NVM_ADDR, offset & BNX_NVM_ADDR_NVM_ADDR_VALUE);
1585: REG_WR(sc, BNX_NVM_COMMAND, cmd);
1586:
1587: /* Wait for completion. */
1588: for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
1589: DELAY(5);
1590:
1591: if (REG_RD(sc, BNX_NVM_COMMAND) & BNX_NVM_COMMAND_DONE)
1592: break;
1593: }
1594: if (j >= NVRAM_TIMEOUT_COUNT) {
1595: BNX_PRINTF(sc, "%s(%d): Timeout error writing NVRAM at "
1596: "offset 0x%08X\n", __FILE__, __LINE__, offset);
1597: return (EBUSY);
1598: }
1599:
1600: return (0);
1601: }
1602: #endif /* BNX_NVRAM_WRITE_SUPPORT */
1603:
1604: /****************************************************************************/
1605: /* Initialize NVRAM access. */
1606: /* */
1607: /* Identify the NVRAM device in use and prepare the NVRAM interface to */
1608: /* access that device. */
1609: /* */
1610: /* Returns: */
1611: /* 0 on success, positive value on failure. */
1612: /****************************************************************************/
1613: int
1614: bnx_init_nvram(struct bnx_softc *sc)
1615: {
1616: u_int32_t val;
1617: int j, entry_count, rc;
1618: struct flash_spec *flash;
1619:
1620: DBPRINT(sc,BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
1621:
1622: /* Determine the selected interface. */
1623: val = REG_RD(sc, BNX_NVM_CFG1);
1624:
1625: entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
1626:
1627: rc = 0;
1628:
1629: /*
1630: * Flash reconfiguration is required to support additional
1631: * NVRAM devices not directly supported in hardware.
1632: * Check if the flash interface was reconfigured
1633: * by the bootcode.
1634: */
1635:
1636: if (val & 0x40000000) {
1637: /* Flash interface reconfigured by bootcode. */
1638:
1639: DBPRINT(sc,BNX_INFO_LOAD,
1640: "bnx_init_nvram(): Flash WAS reconfigured.\n");
1641:
1642: for (j = 0, flash = &flash_table[0]; j < entry_count;
1643: j++, flash++) {
1644: if ((val & FLASH_BACKUP_STRAP_MASK) ==
1645: (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
1646: sc->bnx_flash_info = flash;
1647: break;
1648: }
1649: }
1650: } else {
1651: /* Flash interface not yet reconfigured. */
1652: u_int32_t mask;
1653:
1654: DBPRINT(sc,BNX_INFO_LOAD,
1655: "bnx_init_nvram(): Flash was NOT reconfigured.\n");
1656:
1657: if (val & (1 << 23))
1658: mask = FLASH_BACKUP_STRAP_MASK;
1659: else
1660: mask = FLASH_STRAP_MASK;
1661:
1662: /* Look for the matching NVRAM device configuration data. */
1663: for (j = 0, flash = &flash_table[0]; j < entry_count;
1664: j++, flash++) {
1665: /* Check if the dev matches any of the known devices. */
1666: if ((val & mask) == (flash->strapping & mask)) {
1667: /* Found a device match. */
1668: sc->bnx_flash_info = flash;
1669:
1670: /* Request access to the flash interface. */
1671: if ((rc = bnx_acquire_nvram_lock(sc)) != 0)
1672: return (rc);
1673:
1674: /* Reconfigure the flash interface. */
1675: bnx_enable_nvram_access(sc);
1676: REG_WR(sc, BNX_NVM_CFG1, flash->config1);
1677: REG_WR(sc, BNX_NVM_CFG2, flash->config2);
1678: REG_WR(sc, BNX_NVM_CFG3, flash->config3);
1679: REG_WR(sc, BNX_NVM_WRITE1, flash->write1);
1680: bnx_disable_nvram_access(sc);
1681: bnx_release_nvram_lock(sc);
1682:
1683: break;
1684: }
1685: }
1686: }
1687:
1688: /* Check if a matching device was found. */
1689: if (j == entry_count) {
1690: sc->bnx_flash_info = NULL;
1691: BNX_PRINTF(sc, "%s(%d): Unknown Flash NVRAM found!\n",
1692: __FILE__, __LINE__);
1693: rc = ENODEV;
1694: }
1695:
1696: /* Write the flash config data to the shared memory interface. */
1697: val = REG_RD_IND(sc, sc->bnx_shmem_base + BNX_SHARED_HW_CFG_CONFIG2);
1698: val &= BNX_SHARED_HW_CFG2_NVM_SIZE_MASK;
1699: if (val)
1700: sc->bnx_flash_size = val;
1701: else
1702: sc->bnx_flash_size = sc->bnx_flash_info->total_size;
1703:
1704: DBPRINT(sc, BNX_INFO_LOAD, "bnx_init_nvram() flash->total_size = "
1705: "0x%08X\n", sc->bnx_flash_info->total_size);
1706:
1707: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
1708:
1709: return (rc);
1710: }
1711:
1712: /****************************************************************************/
1713: /* Read an arbitrary range of data from NVRAM. */
1714: /* */
1715: /* Prepares the NVRAM interface for access and reads the requested data */
1716: /* into the supplied buffer. */
1717: /* */
1718: /* Returns: */
1719: /* 0 on success and the data read, positive value on failure. */
1720: /****************************************************************************/
1721: int
1722: bnx_nvram_read(struct bnx_softc *sc, u_int32_t offset, u_int8_t *ret_buf,
1723: int buf_size)
1724: {
1725: int rc = 0;
1726: u_int32_t cmd_flags, offset32, len32, extra;
1727:
1728: if (buf_size == 0)
1729: return (0);
1730:
1731: /* Request access to the flash interface. */
1732: if ((rc = bnx_acquire_nvram_lock(sc)) != 0)
1733: return (rc);
1734:
1735: /* Enable access to flash interface */
1736: bnx_enable_nvram_access(sc);
1737:
1738: len32 = buf_size;
1739: offset32 = offset;
1740: extra = 0;
1741:
1742: cmd_flags = 0;
1743:
1744: if (offset32 & 3) {
1745: u_int8_t buf[4];
1746: u_int32_t pre_len;
1747:
1748: offset32 &= ~3;
1749: pre_len = 4 - (offset & 3);
1750:
1751: if (pre_len >= len32) {
1752: pre_len = len32;
1753: cmd_flags =
1754: BNX_NVM_COMMAND_FIRST | BNX_NVM_COMMAND_LAST;
1755: } else
1756: cmd_flags = BNX_NVM_COMMAND_FIRST;
1757:
1758: rc = bnx_nvram_read_dword(sc, offset32, buf, cmd_flags);
1759:
1760: if (rc)
1761: return (rc);
1762:
1763: memcpy(ret_buf, buf + (offset & 3), pre_len);
1764:
1765: offset32 += 4;
1766: ret_buf += pre_len;
1767: len32 -= pre_len;
1768: }
1769:
1770: if (len32 & 3) {
1771: extra = 4 - (len32 & 3);
1772: len32 = (len32 + 4) & ~3;
1773: }
1774:
1775: if (len32 == 4) {
1776: u_int8_t buf[4];
1777:
1778: if (cmd_flags)
1779: cmd_flags = BNX_NVM_COMMAND_LAST;
1780: else
1781: cmd_flags =
1782: BNX_NVM_COMMAND_FIRST | BNX_NVM_COMMAND_LAST;
1783:
1784: rc = bnx_nvram_read_dword(sc, offset32, buf, cmd_flags);
1785:
1786: memcpy(ret_buf, buf, 4 - extra);
1787: } else if (len32 > 0) {
1788: u_int8_t buf[4];
1789:
1790: /* Read the first word. */
1791: if (cmd_flags)
1792: cmd_flags = 0;
1793: else
1794: cmd_flags = BNX_NVM_COMMAND_FIRST;
1795:
1796: rc = bnx_nvram_read_dword(sc, offset32, ret_buf, cmd_flags);
1797:
1798: /* Advance to the next dword. */
1799: offset32 += 4;
1800: ret_buf += 4;
1801: len32 -= 4;
1802:
1803: while (len32 > 4 && rc == 0) {
1804: rc = bnx_nvram_read_dword(sc, offset32, ret_buf, 0);
1805:
1806: /* Advance to the next dword. */
1807: offset32 += 4;
1808: ret_buf += 4;
1809: len32 -= 4;
1810: }
1811:
1812: if (rc)
1813: return (rc);
1814:
1815: cmd_flags = BNX_NVM_COMMAND_LAST;
1816: rc = bnx_nvram_read_dword(sc, offset32, buf, cmd_flags);
1817:
1818: memcpy(ret_buf, buf, 4 - extra);
1819: }
1820:
1821: /* Disable access to flash interface and release the lock. */
1822: bnx_disable_nvram_access(sc);
1823: bnx_release_nvram_lock(sc);
1824:
1825: return (rc);
1826: }
1827:
1828: #ifdef BNX_NVRAM_WRITE_SUPPORT
1829: /****************************************************************************/
1830: /* Write an arbitrary range of data from NVRAM. */
1831: /* */
1832: /* Prepares the NVRAM interface for write access and writes the requested */
1833: /* data from the supplied buffer. The caller is responsible for */
1834: /* calculating any appropriate CRCs. */
1835: /* */
1836: /* Returns: */
1837: /* 0 on success, positive value on failure. */
1838: /****************************************************************************/
1839: int
1840: bnx_nvram_write(struct bnx_softc *sc, u_int32_t offset, u_int8_t *data_buf,
1841: int buf_size)
1842: {
1843: u_int32_t written, offset32, len32;
1844: u_int8_t *buf, start[4], end[4];
1845: int rc = 0;
1846: int align_start, align_end;
1847:
1848: buf = data_buf;
1849: offset32 = offset;
1850: len32 = buf_size;
1851: align_start = align_end = 0;
1852:
1853: if ((align_start = (offset32 & 3))) {
1854: offset32 &= ~3;
1855: len32 += align_start;
1856: if ((rc = bnx_nvram_read(sc, offset32, start, 4)))
1857: return (rc);
1858: }
1859:
1860: if (len32 & 3) {
1861: if ((len32 > 4) || !align_start) {
1862: align_end = 4 - (len32 & 3);
1863: len32 += align_end;
1864: if ((rc = bnx_nvram_read(sc, offset32 + len32 - 4,
1865: end, 4))) {
1866: return (rc);
1867: }
1868: }
1869: }
1870:
1871: if (align_start || align_end) {
1872: buf = malloc(len32, M_DEVBUF, M_NOWAIT);
1873: if (buf == 0)
1874: return (ENOMEM);
1875:
1876: if (align_start)
1877: memcpy(buf, start, 4);
1878:
1879: if (align_end)
1880: memcpy(buf + len32 - 4, end, 4);
1881:
1882: memcpy(buf + align_start, data_buf, buf_size);
1883: }
1884:
1885: written = 0;
1886: while ((written < len32) && (rc == 0)) {
1887: u_int32_t page_start, page_end, data_start, data_end;
1888: u_int32_t addr, cmd_flags;
1889: int i;
1890: u_int8_t flash_buffer[264];
1891:
1892: /* Find the page_start addr */
1893: page_start = offset32 + written;
1894: page_start -= (page_start % sc->bnx_flash_info->page_size);
1895: /* Find the page_end addr */
1896: page_end = page_start + sc->bnx_flash_info->page_size;
1897: /* Find the data_start addr */
1898: data_start = (written == 0) ? offset32 : page_start;
1899: /* Find the data_end addr */
1900: data_end = (page_end > offset32 + len32) ?
1901: (offset32 + len32) : page_end;
1902:
1903: /* Request access to the flash interface. */
1904: if ((rc = bnx_acquire_nvram_lock(sc)) != 0)
1905: goto nvram_write_end;
1906:
1907: /* Enable access to flash interface */
1908: bnx_enable_nvram_access(sc);
1909:
1910: cmd_flags = BNX_NVM_COMMAND_FIRST;
1911: if (sc->bnx_flash_info->buffered == 0) {
1912: int j;
1913:
1914: /* Read the whole page into the buffer
1915: * (non-buffer flash only) */
1916: for (j = 0; j < sc->bnx_flash_info->page_size; j += 4) {
1917: if (j == (sc->bnx_flash_info->page_size - 4))
1918: cmd_flags |= BNX_NVM_COMMAND_LAST;
1919:
1920: rc = bnx_nvram_read_dword(sc,
1921: page_start + j,
1922: &flash_buffer[j],
1923: cmd_flags);
1924:
1925: if (rc)
1926: goto nvram_write_end;
1927:
1928: cmd_flags = 0;
1929: }
1930: }
1931:
1932: /* Enable writes to flash interface (unlock write-protect) */
1933: if ((rc = bnx_enable_nvram_write(sc)) != 0)
1934: goto nvram_write_end;
1935:
1936: /* Erase the page */
1937: if ((rc = bnx_nvram_erase_page(sc, page_start)) != 0)
1938: goto nvram_write_end;
1939:
1940: /* Re-enable the write again for the actual write */
1941: bnx_enable_nvram_write(sc);
1942:
1943: /* Loop to write back the buffer data from page_start to
1944: * data_start */
1945: i = 0;
1946: if (sc->bnx_flash_info->buffered == 0) {
1947: for (addr = page_start; addr < data_start;
1948: addr += 4, i += 4) {
1949:
1950: rc = bnx_nvram_write_dword(sc, addr,
1951: &flash_buffer[i], cmd_flags);
1952:
1953: if (rc != 0)
1954: goto nvram_write_end;
1955:
1956: cmd_flags = 0;
1957: }
1958: }
1959:
1960: /* Loop to write the new data from data_start to data_end */
1961: for (addr = data_start; addr < data_end; addr += 4, i++) {
1962: if ((addr == page_end - 4) ||
1963: ((sc->bnx_flash_info->buffered) &&
1964: (addr == data_end - 4))) {
1965:
1966: cmd_flags |= BNX_NVM_COMMAND_LAST;
1967: }
1968:
1969: rc = bnx_nvram_write_dword(sc, addr, buf, cmd_flags);
1970:
1971: if (rc != 0)
1972: goto nvram_write_end;
1973:
1974: cmd_flags = 0;
1975: buf += 4;
1976: }
1977:
1978: /* Loop to write back the buffer data from data_end
1979: * to page_end */
1980: if (sc->bnx_flash_info->buffered == 0) {
1981: for (addr = data_end; addr < page_end;
1982: addr += 4, i += 4) {
1983:
1984: if (addr == page_end-4)
1985: cmd_flags = BNX_NVM_COMMAND_LAST;
1986:
1987: rc = bnx_nvram_write_dword(sc, addr,
1988: &flash_buffer[i], cmd_flags);
1989:
1990: if (rc != 0)
1991: goto nvram_write_end;
1992:
1993: cmd_flags = 0;
1994: }
1995: }
1996:
1997: /* Disable writes to flash interface (lock write-protect) */
1998: bnx_disable_nvram_write(sc);
1999:
2000: /* Disable access to flash interface */
2001: bnx_disable_nvram_access(sc);
2002: bnx_release_nvram_lock(sc);
2003:
2004: /* Increment written */
2005: written += data_end - data_start;
2006: }
2007:
2008: nvram_write_end:
2009: if (align_start || align_end)
2010: free(buf, M_DEVBUF);
2011:
2012: return (rc);
2013: }
2014: #endif /* BNX_NVRAM_WRITE_SUPPORT */
2015:
2016: /****************************************************************************/
2017: /* Verifies that NVRAM is accessible and contains valid data. */
2018: /* */
2019: /* Reads the configuration data from NVRAM and verifies that the CRC is */
2020: /* correct. */
2021: /* */
2022: /* Returns: */
2023: /* 0 on success, positive value on failure. */
2024: /****************************************************************************/
2025: int
2026: bnx_nvram_test(struct bnx_softc *sc)
2027: {
2028: u_int32_t buf[BNX_NVRAM_SIZE / 4];
2029: u_int8_t *data = (u_int8_t *) buf;
2030: int rc = 0;
2031: u_int32_t magic, csum;
2032:
2033: /*
2034: * Check that the device NVRAM is valid by reading
2035: * the magic value at offset 0.
2036: */
2037: if ((rc = bnx_nvram_read(sc, 0, data, 4)) != 0)
2038: goto bnx_nvram_test_done;
2039:
2040: magic = bnx_be32toh(buf[0]);
2041: if (magic != BNX_NVRAM_MAGIC) {
2042: rc = ENODEV;
2043: BNX_PRINTF(sc, "%s(%d): Invalid NVRAM magic value! "
2044: "Expected: 0x%08X, Found: 0x%08X\n",
2045: __FILE__, __LINE__, BNX_NVRAM_MAGIC, magic);
2046: goto bnx_nvram_test_done;
2047: }
2048:
2049: /*
2050: * Verify that the device NVRAM includes valid
2051: * configuration data.
2052: */
2053: if ((rc = bnx_nvram_read(sc, 0x100, data, BNX_NVRAM_SIZE)) != 0)
2054: goto bnx_nvram_test_done;
2055:
2056: csum = ether_crc32_le(data, 0x100);
2057: if (csum != BNX_CRC32_RESIDUAL) {
2058: rc = ENODEV;
2059: BNX_PRINTF(sc, "%s(%d): Invalid Manufacturing Information "
2060: "NVRAM CRC! Expected: 0x%08X, Found: 0x%08X\n",
2061: __FILE__, __LINE__, BNX_CRC32_RESIDUAL, csum);
2062: goto bnx_nvram_test_done;
2063: }
2064:
2065: csum = ether_crc32_le(data + 0x100, 0x100);
2066: if (csum != BNX_CRC32_RESIDUAL) {
2067: BNX_PRINTF(sc, "%s(%d): Invalid Feature Configuration "
2068: "Information NVRAM CRC! Expected: 0x%08X, Found: 08%08X\n",
2069: __FILE__, __LINE__, BNX_CRC32_RESIDUAL, csum);
2070: rc = ENODEV;
2071: }
2072:
2073: bnx_nvram_test_done:
2074: return (rc);
2075: }
2076:
2077: /****************************************************************************/
2078: /* Free any DMA memory owned by the driver. */
2079: /* */
2080: /* Scans through each data structre that requires DMA memory and frees */
2081: /* the memory if allocated. */
2082: /* */
2083: /* Returns: */
2084: /* Nothing. */
2085: /****************************************************************************/
2086: void
2087: bnx_dma_free(struct bnx_softc *sc)
2088: {
2089: int i;
2090:
2091: DBPRINT(sc,BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
2092:
2093: /* Destroy the status block. */
2094: if (sc->status_block != NULL && sc->status_map != NULL) {
2095: bus_dmamap_unload(sc->bnx_dmatag, sc->status_map);
2096: bus_dmamem_unmap(sc->bnx_dmatag, (caddr_t)sc->status_block,
2097: BNX_STATUS_BLK_SZ);
2098: bus_dmamem_free(sc->bnx_dmatag, &sc->status_seg,
2099: sc->status_rseg);
2100: bus_dmamap_destroy(sc->bnx_dmatag, sc->status_map);
2101: sc->status_block = NULL;
2102: sc->status_map = NULL;
2103: }
2104:
2105: /* Destroy the statistics block. */
2106: if (sc->stats_block != NULL && sc->stats_map != NULL) {
2107: bus_dmamap_unload(sc->bnx_dmatag, sc->stats_map);
2108: bus_dmamem_unmap(sc->bnx_dmatag, (caddr_t)sc->stats_block,
2109: BNX_STATS_BLK_SZ);
2110: bus_dmamem_free(sc->bnx_dmatag, &sc->stats_seg,
2111: sc->stats_rseg);
2112: bus_dmamap_destroy(sc->bnx_dmatag, sc->stats_map);
2113: sc->stats_block = NULL;
2114: sc->stats_map = NULL;
2115: }
2116:
2117: /* Free, unmap and destroy all TX buffer descriptor chain pages. */
2118: for (i = 0; i < TX_PAGES; i++ ) {
2119: if (sc->tx_bd_chain[i] != NULL &&
2120: sc->tx_bd_chain_map[i] != NULL) {
2121: bus_dmamap_unload(sc->bnx_dmatag,
2122: sc->tx_bd_chain_map[i]);
2123: bus_dmamem_unmap(sc->bnx_dmatag,
2124: (caddr_t)sc->tx_bd_chain[i], BNX_TX_CHAIN_PAGE_SZ);
2125: bus_dmamem_free(sc->bnx_dmatag, &sc->tx_bd_chain_seg[i],
2126: sc->tx_bd_chain_rseg[i]);
2127: bus_dmamap_destroy(sc->bnx_dmatag,
2128: sc->tx_bd_chain_map[i]);
2129: sc->tx_bd_chain[i] = NULL;
2130: sc->tx_bd_chain_map[i] = NULL;
2131: }
2132: }
2133:
2134: /* Unload and destroy the TX mbuf maps. */
2135: for (i = 0; i < TOTAL_TX_BD; i++) {
2136: if (sc->tx_mbuf_map[i] != NULL) {
2137: bus_dmamap_unload(sc->bnx_dmatag, sc->tx_mbuf_map[i]);
2138: bus_dmamap_destroy(sc->bnx_dmatag, sc->tx_mbuf_map[i]);
2139: }
2140: }
2141:
2142: /* Free, unmap and destroy all RX buffer descriptor chain pages. */
2143: for (i = 0; i < RX_PAGES; i++ ) {
2144: if (sc->rx_bd_chain[i] != NULL &&
2145: sc->rx_bd_chain_map[i] != NULL) {
2146: bus_dmamap_unload(sc->bnx_dmatag,
2147: sc->rx_bd_chain_map[i]);
2148: bus_dmamem_unmap(sc->bnx_dmatag,
2149: (caddr_t)sc->rx_bd_chain[i], BNX_RX_CHAIN_PAGE_SZ);
2150: bus_dmamem_free(sc->bnx_dmatag, &sc->rx_bd_chain_seg[i],
2151: sc->rx_bd_chain_rseg[i]);
2152:
2153: bus_dmamap_destroy(sc->bnx_dmatag,
2154: sc->rx_bd_chain_map[i]);
2155: sc->rx_bd_chain[i] = NULL;
2156: sc->rx_bd_chain_map[i] = NULL;
2157: }
2158: }
2159:
2160: /* Unload and destroy the RX mbuf maps. */
2161: for (i = 0; i < TOTAL_RX_BD; i++) {
2162: if (sc->rx_mbuf_map[i] != NULL) {
2163: bus_dmamap_unload(sc->bnx_dmatag, sc->rx_mbuf_map[i]);
2164: bus_dmamap_destroy(sc->bnx_dmatag, sc->rx_mbuf_map[i]);
2165: }
2166: }
2167:
2168: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
2169: }
2170:
2171: /****************************************************************************/
2172: /* Allocate any DMA memory needed by the driver. */
2173: /* */
2174: /* Allocates DMA memory needed for the various global structures needed by */
2175: /* hardware. */
2176: /* */
2177: /* Returns: */
2178: /* 0 for success, positive value for failure. */
2179: /****************************************************************************/
2180: int
2181: bnx_dma_alloc(struct bnx_softc *sc)
2182: {
2183: int i, rc = 0;
2184:
2185: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
2186:
2187: /*
2188: * Allocate DMA memory for the status block, map the memory into DMA
2189: * space, and fetch the physical address of the block.
2190: */
2191: if (bus_dmamap_create(sc->bnx_dmatag, BNX_STATUS_BLK_SZ, 1,
2192: BNX_STATUS_BLK_SZ, 0, BUS_DMA_NOWAIT, &sc->status_map)) {
2193: printf(": Could not create status block DMA map!\n");
2194: rc = ENOMEM;
2195: goto bnx_dma_alloc_exit;
2196: }
2197:
2198: if (bus_dmamem_alloc(sc->bnx_dmatag, BNX_STATUS_BLK_SZ,
2199: BNX_DMA_ALIGN, BNX_DMA_BOUNDARY, &sc->status_seg, 1,
2200: &sc->status_rseg, BUS_DMA_NOWAIT)) {
2201: printf(": Could not allocate status block DMA memory!\n");
2202: rc = ENOMEM;
2203: goto bnx_dma_alloc_exit;
2204: }
2205:
2206: if (bus_dmamem_map(sc->bnx_dmatag, &sc->status_seg, sc->status_rseg,
2207: BNX_STATUS_BLK_SZ, (caddr_t *)&sc->status_block, BUS_DMA_NOWAIT)) {
2208: printf(": Could not map status block DMA memory!\n");
2209: rc = ENOMEM;
2210: goto bnx_dma_alloc_exit;
2211: }
2212:
2213: if (bus_dmamap_load(sc->bnx_dmatag, sc->status_map,
2214: sc->status_block, BNX_STATUS_BLK_SZ, NULL, BUS_DMA_NOWAIT)) {
2215: printf(": Could not load status block DMA memory!\n");
2216: rc = ENOMEM;
2217: goto bnx_dma_alloc_exit;
2218: }
2219:
2220: sc->status_block_paddr = sc->status_map->dm_segs[0].ds_addr;
2221: bzero(sc->status_block, BNX_STATUS_BLK_SZ);
2222:
2223: /* DRC - Fix for 64 bit addresses. */
2224: DBPRINT(sc, BNX_INFO, "status_block_paddr = 0x%08X\n",
2225: (u_int32_t) sc->status_block_paddr);
2226:
2227: /*
2228: * Allocate DMA memory for the statistics block, map the memory into
2229: * DMA space, and fetch the physical address of the block.
2230: */
2231: if (bus_dmamap_create(sc->bnx_dmatag, BNX_STATS_BLK_SZ, 1,
2232: BNX_STATS_BLK_SZ, 0, BUS_DMA_NOWAIT, &sc->stats_map)) {
2233: printf(": Could not create stats block DMA map!\n");
2234: rc = ENOMEM;
2235: goto bnx_dma_alloc_exit;
2236: }
2237:
2238: if (bus_dmamem_alloc(sc->bnx_dmatag, BNX_STATS_BLK_SZ,
2239: BNX_DMA_ALIGN, BNX_DMA_BOUNDARY, &sc->stats_seg, 1,
2240: &sc->stats_rseg, BUS_DMA_NOWAIT)) {
2241: printf(": Could not allocate stats block DMA memory!\n");
2242: rc = ENOMEM;
2243: goto bnx_dma_alloc_exit;
2244: }
2245:
2246: if (bus_dmamem_map(sc->bnx_dmatag, &sc->stats_seg, sc->stats_rseg,
2247: BNX_STATS_BLK_SZ, (caddr_t *)&sc->stats_block, BUS_DMA_NOWAIT)) {
2248: printf(": Could not map stats block DMA memory!\n");
2249: rc = ENOMEM;
2250: goto bnx_dma_alloc_exit;
2251: }
2252:
2253: if (bus_dmamap_load(sc->bnx_dmatag, sc->stats_map,
2254: sc->stats_block, BNX_STATS_BLK_SZ, NULL, BUS_DMA_NOWAIT)) {
2255: printf(": Could not load status block DMA memory!\n");
2256: rc = ENOMEM;
2257: goto bnx_dma_alloc_exit;
2258: }
2259:
2260: sc->stats_block_paddr = sc->stats_map->dm_segs[0].ds_addr;
2261: bzero(sc->stats_block, BNX_STATS_BLK_SZ);
2262:
2263: /* DRC - Fix for 64 bit address. */
2264: DBPRINT(sc,BNX_INFO, "stats_block_paddr = 0x%08X\n",
2265: (u_int32_t) sc->stats_block_paddr);
2266:
2267: /*
2268: * Allocate DMA memory for the TX buffer descriptor chain,
2269: * and fetch the physical address of the block.
2270: */
2271: for (i = 0; i < TX_PAGES; i++) {
2272: if (bus_dmamap_create(sc->bnx_dmatag, BNX_TX_CHAIN_PAGE_SZ, 1,
2273: BNX_TX_CHAIN_PAGE_SZ, 0, BUS_DMA_NOWAIT,
2274: &sc->tx_bd_chain_map[i])) {
2275: printf(": Could not create Tx desc %d DMA map!\n", i);
2276: rc = ENOMEM;
2277: goto bnx_dma_alloc_exit;
2278: }
2279:
2280: if (bus_dmamem_alloc(sc->bnx_dmatag, BNX_TX_CHAIN_PAGE_SZ,
2281: BCM_PAGE_SIZE, BNX_DMA_BOUNDARY, &sc->tx_bd_chain_seg[i], 1,
2282: &sc->tx_bd_chain_rseg[i], BUS_DMA_NOWAIT)) {
2283: printf(": Could not allocate TX desc %d DMA memory!\n",
2284: i);
2285: rc = ENOMEM;
2286: goto bnx_dma_alloc_exit;
2287: }
2288:
2289: if (bus_dmamem_map(sc->bnx_dmatag, &sc->tx_bd_chain_seg[i],
2290: sc->tx_bd_chain_rseg[i], BNX_TX_CHAIN_PAGE_SZ,
2291: (caddr_t *)&sc->tx_bd_chain[i], BUS_DMA_NOWAIT)) {
2292: printf(": Could not map TX desc %d DMA memory!\n", i);
2293: rc = ENOMEM;
2294: goto bnx_dma_alloc_exit;
2295: }
2296:
2297: if (bus_dmamap_load(sc->bnx_dmatag, sc->tx_bd_chain_map[i],
2298: (caddr_t)sc->tx_bd_chain[i], BNX_TX_CHAIN_PAGE_SZ, NULL,
2299: BUS_DMA_NOWAIT)) {
2300: printf(": Could not load TX desc %d DMA memory!\n", i);
2301: rc = ENOMEM;
2302: goto bnx_dma_alloc_exit;
2303: }
2304:
2305: sc->tx_bd_chain_paddr[i] =
2306: sc->tx_bd_chain_map[i]->dm_segs[0].ds_addr;
2307:
2308: /* DRC - Fix for 64 bit systems. */
2309: DBPRINT(sc, BNX_INFO, "tx_bd_chain_paddr[%d] = 0x%08X\n",
2310: i, (u_int32_t) sc->tx_bd_chain_paddr[i]);
2311: }
2312:
2313: /*
2314: * Create DMA maps for the TX buffer mbufs.
2315: */
2316: for (i = 0; i < TOTAL_TX_BD; i++) {
2317: if (bus_dmamap_create(sc->bnx_dmatag,
2318: MCLBYTES * BNX_MAX_SEGMENTS,
2319: USABLE_TX_BD - BNX_TX_SLACK_SPACE,
2320: MCLBYTES, 0, BUS_DMA_NOWAIT,
2321: &sc->tx_mbuf_map[i])) {
2322: printf(": Could not create Tx mbuf %d DMA map!\n", i);
2323: rc = ENOMEM;
2324: goto bnx_dma_alloc_exit;
2325: }
2326: }
2327:
2328: /*
2329: * Allocate DMA memory for the Rx buffer descriptor chain,
2330: * and fetch the physical address of the block.
2331: */
2332: for (i = 0; i < RX_PAGES; i++) {
2333: if (bus_dmamap_create(sc->bnx_dmatag, BNX_RX_CHAIN_PAGE_SZ, 1,
2334: BNX_RX_CHAIN_PAGE_SZ, 0, BUS_DMA_NOWAIT,
2335: &sc->rx_bd_chain_map[i])) {
2336: printf(": Could not create Rx desc %d DMA map!\n", i);
2337: rc = ENOMEM;
2338: goto bnx_dma_alloc_exit;
2339: }
2340:
2341: if (bus_dmamem_alloc(sc->bnx_dmatag, BNX_RX_CHAIN_PAGE_SZ,
2342: BCM_PAGE_SIZE, BNX_DMA_BOUNDARY, &sc->rx_bd_chain_seg[i], 1,
2343: &sc->rx_bd_chain_rseg[i], BUS_DMA_NOWAIT)) {
2344: printf(": Could not allocate Rx desc %d DMA memory!\n",
2345: i);
2346: rc = ENOMEM;
2347: goto bnx_dma_alloc_exit;
2348: }
2349:
2350: if (bus_dmamem_map(sc->bnx_dmatag, &sc->rx_bd_chain_seg[i],
2351: sc->rx_bd_chain_rseg[i], BNX_RX_CHAIN_PAGE_SZ,
2352: (caddr_t *)&sc->rx_bd_chain[i], BUS_DMA_NOWAIT)) {
2353: printf(": Could not map Rx desc %d DMA memory!\n", i);
2354: rc = ENOMEM;
2355: goto bnx_dma_alloc_exit;
2356: }
2357:
2358: if (bus_dmamap_load(sc->bnx_dmatag, sc->rx_bd_chain_map[i],
2359: (caddr_t)sc->rx_bd_chain[i], BNX_RX_CHAIN_PAGE_SZ, NULL,
2360: BUS_DMA_NOWAIT)) {
2361: printf(": Could not load Rx desc %d DMA memory!\n", i);
2362: rc = ENOMEM;
2363: goto bnx_dma_alloc_exit;
2364: }
2365:
2366: bzero(sc->rx_bd_chain[i], BNX_RX_CHAIN_PAGE_SZ);
2367: sc->rx_bd_chain_paddr[i] =
2368: sc->rx_bd_chain_map[i]->dm_segs[0].ds_addr;
2369:
2370: /* DRC - Fix for 64 bit systems. */
2371: DBPRINT(sc, BNX_INFO, "rx_bd_chain_paddr[%d] = 0x%08X\n",
2372: i, (u_int32_t) sc->rx_bd_chain_paddr[i]);
2373: }
2374:
2375: /*
2376: * Create DMA maps for the Rx buffer mbufs.
2377: */
2378: for (i = 0; i < TOTAL_RX_BD; i++) {
2379: if (bus_dmamap_create(sc->bnx_dmatag, BNX_MAX_MRU,
2380: BNX_MAX_SEGMENTS, BNX_MAX_MRU, 0, BUS_DMA_NOWAIT,
2381: &sc->rx_mbuf_map[i])) {
2382: printf(": Could not create Rx mbuf %d DMA map!\n", i);
2383: rc = ENOMEM;
2384: goto bnx_dma_alloc_exit;
2385: }
2386: }
2387:
2388: bnx_dma_alloc_exit:
2389: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
2390:
2391: return(rc);
2392: }
2393:
2394: /****************************************************************************/
2395: /* Release all resources used by the driver. */
2396: /* */
2397: /* Releases all resources acquired by the driver including interrupts, */
2398: /* interrupt handler, interfaces, mutexes, and DMA memory. */
2399: /* */
2400: /* Returns: */
2401: /* Nothing. */
2402: /****************************************************************************/
2403: void
2404: bnx_release_resources(struct bnx_softc *sc)
2405: {
2406: struct pci_attach_args *pa = &(sc->bnx_pa);
2407:
2408: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
2409:
2410: bnx_dma_free(sc);
2411:
2412: if (sc->bnx_intrhand != NULL)
2413: pci_intr_disestablish(pa->pa_pc, sc->bnx_intrhand);
2414:
2415: if (sc->bnx_size)
2416: bus_space_unmap(sc->bnx_btag, sc->bnx_bhandle, sc->bnx_size);
2417:
2418: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
2419: }
2420:
2421: /****************************************************************************/
2422: /* Firmware synchronization. */
2423: /* */
2424: /* Before performing certain events such as a chip reset, synchronize with */
2425: /* the firmware first. */
2426: /* */
2427: /* Returns: */
2428: /* 0 for success, positive value for failure. */
2429: /****************************************************************************/
2430: int
2431: bnx_fw_sync(struct bnx_softc *sc, u_int32_t msg_data)
2432: {
2433: int i, rc = 0;
2434: u_int32_t val;
2435:
2436: /* Don't waste any time if we've timed out before. */
2437: if (sc->bnx_fw_timed_out) {
2438: rc = EBUSY;
2439: goto bnx_fw_sync_exit;
2440: }
2441:
2442: /* Increment the message sequence number. */
2443: sc->bnx_fw_wr_seq++;
2444: msg_data |= sc->bnx_fw_wr_seq;
2445:
2446: DBPRINT(sc, BNX_VERBOSE, "bnx_fw_sync(): msg_data = 0x%08X\n",
2447: msg_data);
2448:
2449: /* Send the message to the bootcode driver mailbox. */
2450: REG_WR_IND(sc, sc->bnx_shmem_base + BNX_DRV_MB, msg_data);
2451:
2452: /* Wait for the bootcode to acknowledge the message. */
2453: for (i = 0; i < FW_ACK_TIME_OUT_MS; i++) {
2454: /* Check for a response in the bootcode firmware mailbox. */
2455: val = REG_RD_IND(sc, sc->bnx_shmem_base + BNX_FW_MB);
2456: if ((val & BNX_FW_MSG_ACK) == (msg_data & BNX_DRV_MSG_SEQ))
2457: break;
2458: DELAY(1000);
2459: }
2460:
2461: /* If we've timed out, tell the bootcode that we've stopped waiting. */
2462: if (((val & BNX_FW_MSG_ACK) != (msg_data & BNX_DRV_MSG_SEQ)) &&
2463: ((msg_data & BNX_DRV_MSG_DATA) != BNX_DRV_MSG_DATA_WAIT0)) {
2464: BNX_PRINTF(sc, "%s(%d): Firmware synchronization timeout! "
2465: "msg_data = 0x%08X\n", __FILE__, __LINE__, msg_data);
2466:
2467: msg_data &= ~BNX_DRV_MSG_CODE;
2468: msg_data |= BNX_DRV_MSG_CODE_FW_TIMEOUT;
2469:
2470: REG_WR_IND(sc, sc->bnx_shmem_base + BNX_DRV_MB, msg_data);
2471:
2472: sc->bnx_fw_timed_out = 1;
2473: rc = EBUSY;
2474: }
2475:
2476: bnx_fw_sync_exit:
2477: return (rc);
2478: }
2479:
2480: /****************************************************************************/
2481: /* Load Receive Virtual 2 Physical (RV2P) processor firmware. */
2482: /* */
2483: /* Returns: */
2484: /* Nothing. */
2485: /****************************************************************************/
2486: void
2487: bnx_load_rv2p_fw(struct bnx_softc *sc, u_int32_t *rv2p_code,
2488: u_int32_t rv2p_code_len, u_int32_t rv2p_proc)
2489: {
2490: int i;
2491: u_int32_t val;
2492:
2493: for (i = 0; i < rv2p_code_len; i += 8) {
2494: REG_WR(sc, BNX_RV2P_INSTR_HIGH, *rv2p_code);
2495: rv2p_code++;
2496: REG_WR(sc, BNX_RV2P_INSTR_LOW, *rv2p_code);
2497: rv2p_code++;
2498:
2499: if (rv2p_proc == RV2P_PROC1) {
2500: val = (i / 8) | BNX_RV2P_PROC1_ADDR_CMD_RDWR;
2501: REG_WR(sc, BNX_RV2P_PROC1_ADDR_CMD, val);
2502: }
2503: else {
2504: val = (i / 8) | BNX_RV2P_PROC2_ADDR_CMD_RDWR;
2505: REG_WR(sc, BNX_RV2P_PROC2_ADDR_CMD, val);
2506: }
2507: }
2508:
2509: /* Reset the processor, un-stall is done later. */
2510: if (rv2p_proc == RV2P_PROC1)
2511: REG_WR(sc, BNX_RV2P_COMMAND, BNX_RV2P_COMMAND_PROC1_RESET);
2512: else
2513: REG_WR(sc, BNX_RV2P_COMMAND, BNX_RV2P_COMMAND_PROC2_RESET);
2514: }
2515:
2516: /****************************************************************************/
2517: /* Load RISC processor firmware. */
2518: /* */
2519: /* Loads firmware from the file if_bnxfw.h into the scratchpad memory */
2520: /* associated with a particular processor. */
2521: /* */
2522: /* Returns: */
2523: /* Nothing. */
2524: /****************************************************************************/
2525: void
2526: bnx_load_cpu_fw(struct bnx_softc *sc, struct cpu_reg *cpu_reg,
2527: struct fw_info *fw)
2528: {
2529: u_int32_t offset;
2530: u_int32_t val;
2531:
2532: /* Halt the CPU. */
2533: val = REG_RD_IND(sc, cpu_reg->mode);
2534: val |= cpu_reg->mode_value_halt;
2535: REG_WR_IND(sc, cpu_reg->mode, val);
2536: REG_WR_IND(sc, cpu_reg->state, cpu_reg->state_value_clear);
2537:
2538: /* Load the Text area. */
2539: offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
2540: if (fw->text) {
2541: int j;
2542:
2543: for (j = 0; j < (fw->text_len / 4); j++, offset += 4)
2544: REG_WR_IND(sc, offset, fw->text[j]);
2545: }
2546:
2547: /* Load the Data area. */
2548: offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
2549: if (fw->data) {
2550: int j;
2551:
2552: for (j = 0; j < (fw->data_len / 4); j++, offset += 4)
2553: REG_WR_IND(sc, offset, fw->data[j]);
2554: }
2555:
2556: /* Load the SBSS area. */
2557: offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
2558: if (fw->sbss) {
2559: int j;
2560:
2561: for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4)
2562: REG_WR_IND(sc, offset, fw->sbss[j]);
2563: }
2564:
2565: /* Load the BSS area. */
2566: offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
2567: if (fw->bss) {
2568: int j;
2569:
2570: for (j = 0; j < (fw->bss_len/4); j++, offset += 4)
2571: REG_WR_IND(sc, offset, fw->bss[j]);
2572: }
2573:
2574: /* Load the Read-Only area. */
2575: offset = cpu_reg->spad_base +
2576: (fw->rodata_addr - cpu_reg->mips_view_base);
2577: if (fw->rodata) {
2578: int j;
2579:
2580: for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4)
2581: REG_WR_IND(sc, offset, fw->rodata[j]);
2582: }
2583:
2584: /* Clear the pre-fetch instruction. */
2585: REG_WR_IND(sc, cpu_reg->inst, 0);
2586: REG_WR_IND(sc, cpu_reg->pc, fw->start_addr);
2587:
2588: /* Start the CPU. */
2589: val = REG_RD_IND(sc, cpu_reg->mode);
2590: val &= ~cpu_reg->mode_value_halt;
2591: REG_WR_IND(sc, cpu_reg->state, cpu_reg->state_value_clear);
2592: REG_WR_IND(sc, cpu_reg->mode, val);
2593: }
2594:
2595: /****************************************************************************/
2596: /* Initialize the RV2P, RX, TX, TPAT, and COM CPUs. */
2597: /* */
2598: /* Loads the firmware for each CPU and starts the CPU. */
2599: /* */
2600: /* Returns: */
2601: /* Nothing. */
2602: /****************************************************************************/
2603: void
2604: bnx_init_cpus(struct bnx_softc *sc)
2605: {
2606: struct cpu_reg cpu_reg;
2607: struct fw_info fw;
2608:
2609: /* Initialize the RV2P processor. */
2610: bnx_load_rv2p_fw(sc, bnx_rv2p_proc1, bnx_rv2p_proc1len,
2611: RV2P_PROC1);
2612: bnx_load_rv2p_fw(sc, bnx_rv2p_proc2, bnx_rv2p_proc2len,
2613: RV2P_PROC2);
2614:
2615: /* Initialize the RX Processor. */
2616: cpu_reg.mode = BNX_RXP_CPU_MODE;
2617: cpu_reg.mode_value_halt = BNX_RXP_CPU_MODE_SOFT_HALT;
2618: cpu_reg.mode_value_sstep = BNX_RXP_CPU_MODE_STEP_ENA;
2619: cpu_reg.state = BNX_RXP_CPU_STATE;
2620: cpu_reg.state_value_clear = 0xffffff;
2621: cpu_reg.gpr0 = BNX_RXP_CPU_REG_FILE;
2622: cpu_reg.evmask = BNX_RXP_CPU_EVENT_MASK;
2623: cpu_reg.pc = BNX_RXP_CPU_PROGRAM_COUNTER;
2624: cpu_reg.inst = BNX_RXP_CPU_INSTRUCTION;
2625: cpu_reg.bp = BNX_RXP_CPU_HW_BREAKPOINT;
2626: cpu_reg.spad_base = BNX_RXP_SCRATCH;
2627: cpu_reg.mips_view_base = 0x8000000;
2628:
2629: fw.ver_major = bnx_RXP_b06FwReleaseMajor;
2630: fw.ver_minor = bnx_RXP_b06FwReleaseMinor;
2631: fw.ver_fix = bnx_RXP_b06FwReleaseFix;
2632: fw.start_addr = bnx_RXP_b06FwStartAddr;
2633:
2634: fw.text_addr = bnx_RXP_b06FwTextAddr;
2635: fw.text_len = bnx_RXP_b06FwTextLen;
2636: fw.text_index = 0;
2637: fw.text = bnx_RXP_b06FwText;
2638:
2639: fw.data_addr = bnx_RXP_b06FwDataAddr;
2640: fw.data_len = bnx_RXP_b06FwDataLen;
2641: fw.data_index = 0;
2642: fw.data = bnx_RXP_b06FwData;
2643:
2644: fw.sbss_addr = bnx_RXP_b06FwSbssAddr;
2645: fw.sbss_len = bnx_RXP_b06FwSbssLen;
2646: fw.sbss_index = 0;
2647: fw.sbss = bnx_RXP_b06FwSbss;
2648:
2649: fw.bss_addr = bnx_RXP_b06FwBssAddr;
2650: fw.bss_len = bnx_RXP_b06FwBssLen;
2651: fw.bss_index = 0;
2652: fw.bss = bnx_RXP_b06FwBss;
2653:
2654: fw.rodata_addr = bnx_RXP_b06FwRodataAddr;
2655: fw.rodata_len = bnx_RXP_b06FwRodataLen;
2656: fw.rodata_index = 0;
2657: fw.rodata = bnx_RXP_b06FwRodata;
2658:
2659: DBPRINT(sc, BNX_INFO_RESET, "Loading RX firmware.\n");
2660: bnx_load_cpu_fw(sc, &cpu_reg, &fw);
2661:
2662: /* Initialize the TX Processor. */
2663: cpu_reg.mode = BNX_TXP_CPU_MODE;
2664: cpu_reg.mode_value_halt = BNX_TXP_CPU_MODE_SOFT_HALT;
2665: cpu_reg.mode_value_sstep = BNX_TXP_CPU_MODE_STEP_ENA;
2666: cpu_reg.state = BNX_TXP_CPU_STATE;
2667: cpu_reg.state_value_clear = 0xffffff;
2668: cpu_reg.gpr0 = BNX_TXP_CPU_REG_FILE;
2669: cpu_reg.evmask = BNX_TXP_CPU_EVENT_MASK;
2670: cpu_reg.pc = BNX_TXP_CPU_PROGRAM_COUNTER;
2671: cpu_reg.inst = BNX_TXP_CPU_INSTRUCTION;
2672: cpu_reg.bp = BNX_TXP_CPU_HW_BREAKPOINT;
2673: cpu_reg.spad_base = BNX_TXP_SCRATCH;
2674: cpu_reg.mips_view_base = 0x8000000;
2675:
2676: fw.ver_major = bnx_TXP_b06FwReleaseMajor;
2677: fw.ver_minor = bnx_TXP_b06FwReleaseMinor;
2678: fw.ver_fix = bnx_TXP_b06FwReleaseFix;
2679: fw.start_addr = bnx_TXP_b06FwStartAddr;
2680:
2681: fw.text_addr = bnx_TXP_b06FwTextAddr;
2682: fw.text_len = bnx_TXP_b06FwTextLen;
2683: fw.text_index = 0;
2684: fw.text = bnx_TXP_b06FwText;
2685:
2686: fw.data_addr = bnx_TXP_b06FwDataAddr;
2687: fw.data_len = bnx_TXP_b06FwDataLen;
2688: fw.data_index = 0;
2689: fw.data = bnx_TXP_b06FwData;
2690:
2691: fw.sbss_addr = bnx_TXP_b06FwSbssAddr;
2692: fw.sbss_len = bnx_TXP_b06FwSbssLen;
2693: fw.sbss_index = 0;
2694: fw.sbss = bnx_TXP_b06FwSbss;
2695:
2696: fw.bss_addr = bnx_TXP_b06FwBssAddr;
2697: fw.bss_len = bnx_TXP_b06FwBssLen;
2698: fw.bss_index = 0;
2699: fw.bss = bnx_TXP_b06FwBss;
2700:
2701: fw.rodata_addr = bnx_TXP_b06FwRodataAddr;
2702: fw.rodata_len = bnx_TXP_b06FwRodataLen;
2703: fw.rodata_index = 0;
2704: fw.rodata = bnx_TXP_b06FwRodata;
2705:
2706: DBPRINT(sc, BNX_INFO_RESET, "Loading TX firmware.\n");
2707: bnx_load_cpu_fw(sc, &cpu_reg, &fw);
2708:
2709: /* Initialize the TX Patch-up Processor. */
2710: cpu_reg.mode = BNX_TPAT_CPU_MODE;
2711: cpu_reg.mode_value_halt = BNX_TPAT_CPU_MODE_SOFT_HALT;
2712: cpu_reg.mode_value_sstep = BNX_TPAT_CPU_MODE_STEP_ENA;
2713: cpu_reg.state = BNX_TPAT_CPU_STATE;
2714: cpu_reg.state_value_clear = 0xffffff;
2715: cpu_reg.gpr0 = BNX_TPAT_CPU_REG_FILE;
2716: cpu_reg.evmask = BNX_TPAT_CPU_EVENT_MASK;
2717: cpu_reg.pc = BNX_TPAT_CPU_PROGRAM_COUNTER;
2718: cpu_reg.inst = BNX_TPAT_CPU_INSTRUCTION;
2719: cpu_reg.bp = BNX_TPAT_CPU_HW_BREAKPOINT;
2720: cpu_reg.spad_base = BNX_TPAT_SCRATCH;
2721: cpu_reg.mips_view_base = 0x8000000;
2722:
2723: fw.ver_major = bnx_TPAT_b06FwReleaseMajor;
2724: fw.ver_minor = bnx_TPAT_b06FwReleaseMinor;
2725: fw.ver_fix = bnx_TPAT_b06FwReleaseFix;
2726: fw.start_addr = bnx_TPAT_b06FwStartAddr;
2727:
2728: fw.text_addr = bnx_TPAT_b06FwTextAddr;
2729: fw.text_len = bnx_TPAT_b06FwTextLen;
2730: fw.text_index = 0;
2731: fw.text = bnx_TPAT_b06FwText;
2732:
2733: fw.data_addr = bnx_TPAT_b06FwDataAddr;
2734: fw.data_len = bnx_TPAT_b06FwDataLen;
2735: fw.data_index = 0;
2736: fw.data = bnx_TPAT_b06FwData;
2737:
2738: fw.sbss_addr = bnx_TPAT_b06FwSbssAddr;
2739: fw.sbss_len = bnx_TPAT_b06FwSbssLen;
2740: fw.sbss_index = 0;
2741: fw.sbss = bnx_TPAT_b06FwSbss;
2742:
2743: fw.bss_addr = bnx_TPAT_b06FwBssAddr;
2744: fw.bss_len = bnx_TPAT_b06FwBssLen;
2745: fw.bss_index = 0;
2746: fw.bss = bnx_TPAT_b06FwBss;
2747:
2748: fw.rodata_addr = bnx_TPAT_b06FwRodataAddr;
2749: fw.rodata_len = bnx_TPAT_b06FwRodataLen;
2750: fw.rodata_index = 0;
2751: fw.rodata = bnx_TPAT_b06FwRodata;
2752:
2753: DBPRINT(sc, BNX_INFO_RESET, "Loading TPAT firmware.\n");
2754: bnx_load_cpu_fw(sc, &cpu_reg, &fw);
2755:
2756: /* Initialize the Completion Processor. */
2757: cpu_reg.mode = BNX_COM_CPU_MODE;
2758: cpu_reg.mode_value_halt = BNX_COM_CPU_MODE_SOFT_HALT;
2759: cpu_reg.mode_value_sstep = BNX_COM_CPU_MODE_STEP_ENA;
2760: cpu_reg.state = BNX_COM_CPU_STATE;
2761: cpu_reg.state_value_clear = 0xffffff;
2762: cpu_reg.gpr0 = BNX_COM_CPU_REG_FILE;
2763: cpu_reg.evmask = BNX_COM_CPU_EVENT_MASK;
2764: cpu_reg.pc = BNX_COM_CPU_PROGRAM_COUNTER;
2765: cpu_reg.inst = BNX_COM_CPU_INSTRUCTION;
2766: cpu_reg.bp = BNX_COM_CPU_HW_BREAKPOINT;
2767: cpu_reg.spad_base = BNX_COM_SCRATCH;
2768: cpu_reg.mips_view_base = 0x8000000;
2769:
2770: fw.ver_major = bnx_COM_b06FwReleaseMajor;
2771: fw.ver_minor = bnx_COM_b06FwReleaseMinor;
2772: fw.ver_fix = bnx_COM_b06FwReleaseFix;
2773: fw.start_addr = bnx_COM_b06FwStartAddr;
2774:
2775: fw.text_addr = bnx_COM_b06FwTextAddr;
2776: fw.text_len = bnx_COM_b06FwTextLen;
2777: fw.text_index = 0;
2778: fw.text = bnx_COM_b06FwText;
2779:
2780: fw.data_addr = bnx_COM_b06FwDataAddr;
2781: fw.data_len = bnx_COM_b06FwDataLen;
2782: fw.data_index = 0;
2783: fw.data = bnx_COM_b06FwData;
2784:
2785: fw.sbss_addr = bnx_COM_b06FwSbssAddr;
2786: fw.sbss_len = bnx_COM_b06FwSbssLen;
2787: fw.sbss_index = 0;
2788: fw.sbss = bnx_COM_b06FwSbss;
2789:
2790: fw.bss_addr = bnx_COM_b06FwBssAddr;
2791: fw.bss_len = bnx_COM_b06FwBssLen;
2792: fw.bss_index = 0;
2793: fw.bss = bnx_COM_b06FwBss;
2794:
2795: fw.rodata_addr = bnx_COM_b06FwRodataAddr;
2796: fw.rodata_len = bnx_COM_b06FwRodataLen;
2797: fw.rodata_index = 0;
2798: fw.rodata = bnx_COM_b06FwRodata;
2799:
2800: DBPRINT(sc, BNX_INFO_RESET, "Loading COM firmware.\n");
2801: bnx_load_cpu_fw(sc, &cpu_reg, &fw);
2802: }
2803:
2804: /****************************************************************************/
2805: /* Initialize context memory. */
2806: /* */
2807: /* Clears the memory associated with each Context ID (CID). */
2808: /* */
2809: /* Returns: */
2810: /* Nothing. */
2811: /****************************************************************************/
2812: void
2813: bnx_init_context(struct bnx_softc *sc)
2814: {
2815: u_int32_t vcid;
2816:
2817: vcid = 96;
2818: while (vcid) {
2819: u_int32_t vcid_addr, pcid_addr, offset;
2820:
2821: vcid--;
2822:
2823: vcid_addr = GET_CID_ADDR(vcid);
2824: pcid_addr = vcid_addr;
2825:
2826: REG_WR(sc, BNX_CTX_VIRT_ADDR, 0x00);
2827: REG_WR(sc, BNX_CTX_PAGE_TBL, pcid_addr);
2828:
2829: /* Zero out the context. */
2830: for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
2831: CTX_WR(sc, 0x00, offset, 0);
2832:
2833: REG_WR(sc, BNX_CTX_VIRT_ADDR, vcid_addr);
2834: REG_WR(sc, BNX_CTX_PAGE_TBL, pcid_addr);
2835: }
2836: }
2837:
2838: /****************************************************************************/
2839: /* Fetch the permanent MAC address of the controller. */
2840: /* */
2841: /* Returns: */
2842: /* Nothing. */
2843: /****************************************************************************/
2844: void
2845: bnx_get_mac_addr(struct bnx_softc *sc)
2846: {
2847: u_int32_t mac_lo = 0, mac_hi = 0;
2848:
2849: /*
2850: * The NetXtreme II bootcode populates various NIC
2851: * power-on and runtime configuration items in a
2852: * shared memory area. The factory configured MAC
2853: * address is available from both NVRAM and the
2854: * shared memory area so we'll read the value from
2855: * shared memory for speed.
2856: */
2857:
2858: mac_hi = REG_RD_IND(sc, sc->bnx_shmem_base + BNX_PORT_HW_CFG_MAC_UPPER);
2859: mac_lo = REG_RD_IND(sc, sc->bnx_shmem_base + BNX_PORT_HW_CFG_MAC_LOWER);
2860:
2861: if ((mac_lo == 0) && (mac_hi == 0)) {
2862: BNX_PRINTF(sc, "%s(%d): Invalid Ethernet address!\n",
2863: __FILE__, __LINE__);
2864: } else {
2865: sc->eaddr[0] = (u_char)(mac_hi >> 8);
2866: sc->eaddr[1] = (u_char)(mac_hi >> 0);
2867: sc->eaddr[2] = (u_char)(mac_lo >> 24);
2868: sc->eaddr[3] = (u_char)(mac_lo >> 16);
2869: sc->eaddr[4] = (u_char)(mac_lo >> 8);
2870: sc->eaddr[5] = (u_char)(mac_lo >> 0);
2871: }
2872:
2873: DBPRINT(sc, BNX_INFO, "Permanent Ethernet address = "
2874: "%6D\n", sc->eaddr, ":");
2875: }
2876:
2877: /****************************************************************************/
2878: /* Program the MAC address. */
2879: /* */
2880: /* Returns: */
2881: /* Nothing. */
2882: /****************************************************************************/
2883: void
2884: bnx_set_mac_addr(struct bnx_softc *sc)
2885: {
2886: u_int32_t val;
2887: u_int8_t *mac_addr = sc->eaddr;
2888:
2889: DBPRINT(sc, BNX_INFO, "Setting Ethernet address = "
2890: "%6D\n", sc->eaddr, ":");
2891:
2892: val = (mac_addr[0] << 8) | mac_addr[1];
2893:
2894: REG_WR(sc, BNX_EMAC_MAC_MATCH0, val);
2895:
2896: val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
2897: (mac_addr[4] << 8) | mac_addr[5];
2898:
2899: REG_WR(sc, BNX_EMAC_MAC_MATCH1, val);
2900: }
2901:
2902: /****************************************************************************/
2903: /* Stop the controller. */
2904: /* */
2905: /* Returns: */
2906: /* Nothing. */
2907: /****************************************************************************/
2908: void
2909: bnx_stop(struct bnx_softc *sc)
2910: {
2911: struct ifnet *ifp = &sc->arpcom.ac_if;
2912: struct mii_data *mii = NULL;
2913:
2914: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
2915:
2916: mii = &sc->bnx_mii;
2917:
2918: timeout_del(&sc->bnx_timeout);
2919:
2920: ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
2921:
2922: /* Disable the transmit/receive blocks. */
2923: REG_WR(sc, BNX_MISC_ENABLE_CLR_BITS, 0x5ffffff);
2924: REG_RD(sc, BNX_MISC_ENABLE_CLR_BITS);
2925: DELAY(20);
2926:
2927: bnx_disable_intr(sc);
2928:
2929: /* Tell firmware that the driver is going away. */
2930: bnx_reset(sc, BNX_DRV_MSG_CODE_SUSPEND_NO_WOL);
2931:
2932: /* Free the RX lists. */
2933: bnx_free_rx_chain(sc);
2934:
2935: /* Free TX buffers. */
2936: bnx_free_tx_chain(sc);
2937:
2938: ifp->if_timer = 0;
2939:
2940: sc->bnx_link = 0;
2941:
2942: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
2943:
2944: bnx_mgmt_init(sc);
2945: }
2946:
2947: int
2948: bnx_reset(struct bnx_softc *sc, u_int32_t reset_code)
2949: {
2950: u_int32_t val;
2951: int i, rc = 0;
2952:
2953: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
2954:
2955: /* Wait for pending PCI transactions to complete. */
2956: REG_WR(sc, BNX_MISC_ENABLE_CLR_BITS,
2957: BNX_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
2958: BNX_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
2959: BNX_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
2960: BNX_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
2961: val = REG_RD(sc, BNX_MISC_ENABLE_CLR_BITS);
2962: DELAY(5);
2963:
2964: /* Assume bootcode is running. */
2965: sc->bnx_fw_timed_out = 0;
2966:
2967: /* Give the firmware a chance to prepare for the reset. */
2968: rc = bnx_fw_sync(sc, BNX_DRV_MSG_DATA_WAIT0 | reset_code);
2969: if (rc)
2970: goto bnx_reset_exit;
2971:
2972: /* Set a firmware reminder that this is a soft reset. */
2973: REG_WR_IND(sc, sc->bnx_shmem_base + BNX_DRV_RESET_SIGNATURE,
2974: BNX_DRV_RESET_SIGNATURE_MAGIC);
2975:
2976: /* Dummy read to force the chip to complete all current transactions. */
2977: val = REG_RD(sc, BNX_MISC_ID);
2978:
2979: /* Chip reset. */
2980: val = BNX_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2981: BNX_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
2982: BNX_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
2983: REG_WR(sc, BNX_PCICFG_MISC_CONFIG, val);
2984:
2985: /* Allow up to 30us for reset to complete. */
2986: for (i = 0; i < 10; i++) {
2987: val = REG_RD(sc, BNX_PCICFG_MISC_CONFIG);
2988: if ((val & (BNX_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2989: BNX_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
2990: break;
2991:
2992: DELAY(10);
2993: }
2994:
2995: /* Check that reset completed successfully. */
2996: if (val & (BNX_PCICFG_MISC_CONFIG_CORE_RST_REQ |
2997: BNX_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
2998: BNX_PRINTF(sc, "%s(%d): Reset failed!\n", __FILE__, __LINE__);
2999: rc = EBUSY;
3000: goto bnx_reset_exit;
3001: }
3002:
3003: /* Make sure byte swapping is properly configured. */
3004: val = REG_RD(sc, BNX_PCI_SWAP_DIAG0);
3005: if (val != 0x01020304) {
3006: BNX_PRINTF(sc, "%s(%d): Byte swap is incorrect!\n",
3007: __FILE__, __LINE__);
3008: rc = ENODEV;
3009: goto bnx_reset_exit;
3010: }
3011:
3012: /* Just completed a reset, assume that firmware is running again. */
3013: sc->bnx_fw_timed_out = 0;
3014:
3015: /* Wait for the firmware to finish its initialization. */
3016: rc = bnx_fw_sync(sc, BNX_DRV_MSG_DATA_WAIT1 | reset_code);
3017: if (rc)
3018: BNX_PRINTF(sc, "%s(%d): Firmware did not complete "
3019: "initialization!\n", __FILE__, __LINE__);
3020:
3021: bnx_reset_exit:
3022: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
3023:
3024: return (rc);
3025: }
3026:
3027: int
3028: bnx_chipinit(struct bnx_softc *sc)
3029: {
3030: struct pci_attach_args *pa = &(sc->bnx_pa);
3031: u_int32_t val;
3032: int rc = 0;
3033:
3034: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
3035:
3036: /* Make sure the interrupt is not active. */
3037: REG_WR(sc, BNX_PCICFG_INT_ACK_CMD, BNX_PCICFG_INT_ACK_CMD_MASK_INT);
3038:
3039: /* Initialize DMA byte/word swapping, configure the number of DMA */
3040: /* channels and PCI clock compensation delay. */
3041: val = BNX_DMA_CONFIG_DATA_BYTE_SWAP |
3042: BNX_DMA_CONFIG_DATA_WORD_SWAP |
3043: #if BYTE_ORDER == BIG_ENDIAN
3044: BNX_DMA_CONFIG_CNTL_BYTE_SWAP |
3045: #endif
3046: BNX_DMA_CONFIG_CNTL_WORD_SWAP |
3047: DMA_READ_CHANS << 12 |
3048: DMA_WRITE_CHANS << 16;
3049:
3050: val |= (0x2 << 20) | BNX_DMA_CONFIG_CNTL_PCI_COMP_DLY;
3051:
3052: if ((sc->bnx_flags & BNX_PCIX_FLAG) && (sc->bus_speed_mhz == 133))
3053: val |= BNX_DMA_CONFIG_PCI_FAST_CLK_CMP;
3054:
3055: /*
3056: * This setting resolves a problem observed on certain Intel PCI
3057: * chipsets that cannot handle multiple outstanding DMA operations.
3058: * See errata E9_5706A1_65.
3059: */
3060: if ((BNX_CHIP_NUM(sc) == BNX_CHIP_NUM_5706) &&
3061: (BNX_CHIP_ID(sc) != BNX_CHIP_ID_5706_A0) &&
3062: !(sc->bnx_flags & BNX_PCIX_FLAG))
3063: val |= BNX_DMA_CONFIG_CNTL_PING_PONG_DMA;
3064:
3065: REG_WR(sc, BNX_DMA_CONFIG, val);
3066:
3067: /* Clear the PCI-X relaxed ordering bit. See errata E3_5708CA0_570. */
3068: if (sc->bnx_flags & BNX_PCIX_FLAG) {
3069: u_int16_t val;
3070:
3071: val = pci_conf_read(pa->pa_pc, pa->pa_tag, BNX_PCI_PCIX_CMD);
3072: pci_conf_write(pa->pa_pc, pa->pa_tag, BNX_PCI_PCIX_CMD,
3073: val & ~0x2);
3074: }
3075:
3076: /* Enable the RX_V2P and Context state machines before access. */
3077: REG_WR(sc, BNX_MISC_ENABLE_SET_BITS,
3078: BNX_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
3079: BNX_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
3080: BNX_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
3081:
3082: /* Initialize context mapping and zero out the quick contexts. */
3083: bnx_init_context(sc);
3084:
3085: /* Initialize the on-boards CPUs */
3086: bnx_init_cpus(sc);
3087:
3088: /* Prepare NVRAM for access. */
3089: if (bnx_init_nvram(sc)) {
3090: rc = ENODEV;
3091: goto bnx_chipinit_exit;
3092: }
3093:
3094: /* Set the kernel bypass block size */
3095: val = REG_RD(sc, BNX_MQ_CONFIG);
3096: val &= ~BNX_MQ_CONFIG_KNL_BYP_BLK_SIZE;
3097: val |= BNX_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
3098: REG_WR(sc, BNX_MQ_CONFIG, val);
3099:
3100: val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
3101: REG_WR(sc, BNX_MQ_KNL_BYP_WIND_START, val);
3102: REG_WR(sc, BNX_MQ_KNL_WIND_END, val);
3103:
3104: val = (BCM_PAGE_BITS - 8) << 24;
3105: REG_WR(sc, BNX_RV2P_CONFIG, val);
3106:
3107: /* Configure page size. */
3108: val = REG_RD(sc, BNX_TBDR_CONFIG);
3109: val &= ~BNX_TBDR_CONFIG_PAGE_SIZE;
3110: val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
3111: REG_WR(sc, BNX_TBDR_CONFIG, val);
3112:
3113: bnx_chipinit_exit:
3114: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
3115:
3116: return(rc);
3117: }
3118:
3119: /****************************************************************************/
3120: /* Initialize the controller in preparation to send/receive traffic. */
3121: /* */
3122: /* Returns: */
3123: /* 0 for success, positive value for failure. */
3124: /****************************************************************************/
3125: int
3126: bnx_blockinit(struct bnx_softc *sc)
3127: {
3128: u_int32_t reg, val;
3129: int rc = 0;
3130:
3131: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
3132:
3133: /* Load the hardware default MAC address. */
3134: bnx_set_mac_addr(sc);
3135:
3136: /* Set the Ethernet backoff seed value */
3137: val = sc->eaddr[0] + (sc->eaddr[1] << 8) + (sc->eaddr[2] << 16) +
3138: (sc->eaddr[3]) + (sc->eaddr[4] << 8) + (sc->eaddr[5] << 16);
3139: REG_WR(sc, BNX_EMAC_BACKOFF_SEED, val);
3140:
3141: sc->last_status_idx = 0;
3142: sc->rx_mode = BNX_EMAC_RX_MODE_SORT_MODE;
3143:
3144: /* Set up link change interrupt generation. */
3145: REG_WR(sc, BNX_EMAC_ATTENTION_ENA, BNX_EMAC_ATTENTION_ENA_LINK);
3146:
3147: /* Program the physical address of the status block. */
3148: REG_WR(sc, BNX_HC_STATUS_ADDR_L, (u_int32_t)(sc->status_block_paddr));
3149: REG_WR(sc, BNX_HC_STATUS_ADDR_H,
3150: (u_int32_t)((u_int64_t)sc->status_block_paddr >> 32));
3151:
3152: /* Program the physical address of the statistics block. */
3153: REG_WR(sc, BNX_HC_STATISTICS_ADDR_L,
3154: (u_int32_t)(sc->stats_block_paddr));
3155: REG_WR(sc, BNX_HC_STATISTICS_ADDR_H,
3156: (u_int32_t)((u_int64_t)sc->stats_block_paddr >> 32));
3157:
3158: /* Program various host coalescing parameters. */
3159: REG_WR(sc, BNX_HC_TX_QUICK_CONS_TRIP, (sc->bnx_tx_quick_cons_trip_int
3160: << 16) | sc->bnx_tx_quick_cons_trip);
3161: REG_WR(sc, BNX_HC_RX_QUICK_CONS_TRIP, (sc->bnx_rx_quick_cons_trip_int
3162: << 16) | sc->bnx_rx_quick_cons_trip);
3163: REG_WR(sc, BNX_HC_COMP_PROD_TRIP, (sc->bnx_comp_prod_trip_int << 16) |
3164: sc->bnx_comp_prod_trip);
3165: REG_WR(sc, BNX_HC_TX_TICKS, (sc->bnx_tx_ticks_int << 16) |
3166: sc->bnx_tx_ticks);
3167: REG_WR(sc, BNX_HC_RX_TICKS, (sc->bnx_rx_ticks_int << 16) |
3168: sc->bnx_rx_ticks);
3169: REG_WR(sc, BNX_HC_COM_TICKS, (sc->bnx_com_ticks_int << 16) |
3170: sc->bnx_com_ticks);
3171: REG_WR(sc, BNX_HC_CMD_TICKS, (sc->bnx_cmd_ticks_int << 16) |
3172: sc->bnx_cmd_ticks);
3173: REG_WR(sc, BNX_HC_STATS_TICKS, (sc->bnx_stats_ticks & 0xffff00));
3174: REG_WR(sc, BNX_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
3175: REG_WR(sc, BNX_HC_CONFIG,
3176: (BNX_HC_CONFIG_RX_TMR_MODE | BNX_HC_CONFIG_TX_TMR_MODE |
3177: BNX_HC_CONFIG_COLLECT_STATS));
3178:
3179: /* Clear the internal statistics counters. */
3180: REG_WR(sc, BNX_HC_COMMAND, BNX_HC_COMMAND_CLR_STAT_NOW);
3181:
3182: /* Verify that bootcode is running. */
3183: reg = REG_RD_IND(sc, sc->bnx_shmem_base + BNX_DEV_INFO_SIGNATURE);
3184:
3185: DBRUNIF(DB_RANDOMTRUE(bnx_debug_bootcode_running_failure),
3186: BNX_PRINTF(sc, "%s(%d): Simulating bootcode failure.\n",
3187: __FILE__, __LINE__); reg = 0);
3188:
3189: if ((reg & BNX_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
3190: BNX_DEV_INFO_SIGNATURE_MAGIC) {
3191: BNX_PRINTF(sc, "%s(%d): Bootcode not running! Found: 0x%08X, "
3192: "Expected: 08%08X\n", __FILE__, __LINE__,
3193: (reg & BNX_DEV_INFO_SIGNATURE_MAGIC_MASK),
3194: BNX_DEV_INFO_SIGNATURE_MAGIC);
3195: rc = ENODEV;
3196: goto bnx_blockinit_exit;
3197: }
3198:
3199: /* Check if any management firmware is running. */
3200: reg = REG_RD_IND(sc, sc->bnx_shmem_base + BNX_PORT_FEATURE);
3201: if (reg & (BNX_PORT_FEATURE_ASF_ENABLED |
3202: BNX_PORT_FEATURE_IMD_ENABLED)) {
3203: DBPRINT(sc, BNX_INFO, "Management F/W Enabled.\n");
3204: sc->bnx_flags |= BNX_MFW_ENABLE_FLAG;
3205: }
3206:
3207: sc->bnx_fw_ver = REG_RD_IND(sc, sc->bnx_shmem_base +
3208: BNX_DEV_INFO_BC_REV);
3209:
3210: DBPRINT(sc, BNX_INFO, "bootcode rev = 0x%08X\n", sc->bnx_fw_ver);
3211:
3212: /* Allow bootcode to apply any additional fixes before enabling MAC. */
3213: rc = bnx_fw_sync(sc, BNX_DRV_MSG_DATA_WAIT2 | BNX_DRV_MSG_CODE_RESET);
3214:
3215: /* Enable link state change interrupt generation. */
3216: REG_WR(sc, BNX_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
3217:
3218: /* Enable all remaining blocks in the MAC. */
3219: REG_WR(sc, BNX_MISC_ENABLE_SET_BITS, 0x5ffffff);
3220: REG_RD(sc, BNX_MISC_ENABLE_SET_BITS);
3221: DELAY(20);
3222:
3223: bnx_blockinit_exit:
3224: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
3225:
3226: return (rc);
3227: }
3228:
3229: /****************************************************************************/
3230: /* Encapsulate an mbuf cluster into the rx_bd chain. */
3231: /* */
3232: /* The NetXtreme II can support Jumbo frames by using multiple rx_bd's. */
3233: /* This routine will map an mbuf cluster into 1 or more rx_bd's as */
3234: /* necessary. */
3235: /* */
3236: /* Returns: */
3237: /* 0 for success, positive value for failure. */
3238: /****************************************************************************/
3239: int
3240: bnx_get_buf(struct bnx_softc *sc, struct mbuf *m, u_int16_t *prod,
3241: u_int16_t *chain_prod, u_int32_t *prod_bseq)
3242: {
3243: bus_dmamap_t map;
3244: struct mbuf *m_new = NULL;
3245: struct rx_bd *rxbd;
3246: int i, rc = 0;
3247: u_int32_t addr;
3248: #ifdef BNX_DEBUG
3249: u_int16_t debug_chain_prod = *chain_prod;
3250: #endif
3251: u_int16_t first_chain_prod;
3252:
3253: DBPRINT(sc, (BNX_VERBOSE_RESET | BNX_VERBOSE_RECV), "Entering %s()\n",
3254: __FUNCTION__);
3255:
3256: /* Make sure the inputs are valid. */
3257: DBRUNIF((*chain_prod > MAX_RX_BD),
3258: printf("%s: RX producer out of range: 0x%04X > 0x%04X\n",
3259: *chain_prod, (u_int16_t) MAX_RX_BD));
3260:
3261: DBPRINT(sc, BNX_VERBOSE_RECV, "%s(enter): prod = 0x%04X, chain_prod = "
3262: "0x%04X, prod_bseq = 0x%08X\n", __FUNCTION__, *prod, *chain_prod,
3263: *prod_bseq);
3264:
3265: if (m == NULL) {
3266: DBRUNIF(DB_RANDOMTRUE(bnx_debug_mbuf_allocation_failure),
3267: BNX_PRINTF(sc, "Simulating mbuf allocation failure.\n");
3268:
3269: sc->mbuf_alloc_failed++;
3270: rc = ENOBUFS;
3271: goto bnx_get_buf_exit);
3272:
3273: /* This is a new mbuf allocation. */
3274: MGETHDR(m_new, M_DONTWAIT, MT_DATA);
3275: if (m_new == NULL) {
3276: DBPRINT(sc, BNX_WARN,
3277: "%s(%d): RX mbuf header allocation failed!\n",
3278: __FILE__, __LINE__);
3279:
3280: DBRUNIF(1, sc->mbuf_alloc_failed++);
3281:
3282: rc = ENOBUFS;
3283: goto bnx_get_buf_exit;
3284: }
3285:
3286: DBRUNIF(1, sc->rx_mbuf_alloc++);
3287: MCLGET(m_new, M_DONTWAIT);
3288: if (!(m_new->m_flags & M_EXT)) {
3289: DBPRINT(sc, BNX_WARN,
3290: "%s(%d): RX mbuf chain allocation failed!\n",
3291: __FILE__, __LINE__);
3292:
3293: m_freem(m_new);
3294:
3295: DBRUNIF(1, sc->rx_mbuf_alloc--);
3296: DBRUNIF(1, sc->mbuf_alloc_failed++);
3297:
3298: rc = ENOBUFS;
3299: goto bnx_get_buf_exit;
3300: }
3301:
3302: m_new->m_len = m_new->m_pkthdr.len = sc->mbuf_alloc_size;
3303: } else {
3304: m_new = m;
3305: m_new->m_len = m_new->m_pkthdr.len = sc->mbuf_alloc_size;
3306: m_new->m_data = m_new->m_ext.ext_buf;
3307: }
3308:
3309: /* Map the mbuf cluster into device memory. */
3310: map = sc->rx_mbuf_map[*chain_prod];
3311: first_chain_prod = *chain_prod;
3312: if (bus_dmamap_load_mbuf(sc->bnx_dmatag, map, m_new, BUS_DMA_NOWAIT)) {
3313: BNX_PRINTF(sc, "%s(%d): Error mapping mbuf into RX chain!\n",
3314: __FILE__, __LINE__);
3315:
3316: m_freem(m_new);
3317:
3318: DBRUNIF(1, sc->rx_mbuf_alloc--);
3319:
3320: rc = ENOBUFS;
3321: goto bnx_get_buf_exit;
3322: }
3323:
3324: /* Watch for overflow. */
3325: DBRUNIF((sc->free_rx_bd > USABLE_RX_BD),
3326: printf("%s: Too many free rx_bd (0x%04X > 0x%04X)!\n",
3327: sc->free_rx_bd, (u_int16_t) USABLE_RX_BD));
3328:
3329: DBRUNIF((sc->free_rx_bd < sc->rx_low_watermark),
3330: sc->rx_low_watermark = sc->free_rx_bd);
3331:
3332: /* Setup the rx_bd for the first segment. */
3333: rxbd = &sc->rx_bd_chain[RX_PAGE(*chain_prod)][RX_IDX(*chain_prod)];
3334:
3335: addr = (u_int32_t)(map->dm_segs[0].ds_addr);
3336: rxbd->rx_bd_haddr_lo = htole32(addr);
3337: addr = (u_int32_t)((u_int64_t)map->dm_segs[0].ds_addr >> 32);
3338: rxbd->rx_bd_haddr_hi = htole32(addr);
3339: rxbd->rx_bd_len = htole32(map->dm_segs[0].ds_len);
3340: rxbd->rx_bd_flags = htole32(RX_BD_FLAGS_START);
3341: *prod_bseq += map->dm_segs[0].ds_len;
3342:
3343: for (i = 1; i < map->dm_nsegs; i++) {
3344: *prod = NEXT_RX_BD(*prod);
3345: *chain_prod = RX_CHAIN_IDX(*prod);
3346:
3347: rxbd =
3348: &sc->rx_bd_chain[RX_PAGE(*chain_prod)][RX_IDX(*chain_prod)];
3349:
3350: addr = (u_int32_t)(map->dm_segs[i].ds_addr);
3351: rxbd->rx_bd_haddr_lo = htole32(addr);
3352: addr = (u_int32_t)((u_int64_t)map->dm_segs[i].ds_addr >> 32);
3353: rxbd->rx_bd_haddr_hi = htole32(addr);
3354: rxbd->rx_bd_len = htole32(map->dm_segs[i].ds_len);
3355: rxbd->rx_bd_flags = 0;
3356: *prod_bseq += map->dm_segs[i].ds_len;
3357: }
3358:
3359: rxbd->rx_bd_flags |= htole32(RX_BD_FLAGS_END);
3360:
3361: /*
3362: * Save the mbuf, adjust the map pointer (swap map for first and
3363: * last rx_bd entry so that rx_mbuf_ptr and rx_mbuf_map matches)
3364: * and update our counter.
3365: */
3366: sc->rx_mbuf_ptr[*chain_prod] = m_new;
3367: sc->rx_mbuf_map[first_chain_prod] = sc->rx_mbuf_map[*chain_prod];
3368: sc->rx_mbuf_map[*chain_prod] = map;
3369: sc->free_rx_bd -= map->dm_nsegs;
3370:
3371: DBRUN(BNX_VERBOSE_RECV, bnx_dump_rx_mbuf_chain(sc, debug_chain_prod,
3372: map->dm_nsegs));
3373:
3374: DBPRINT(sc, BNX_VERBOSE_RECV, "%s(exit): prod = 0x%04X, chain_prod "
3375: "= 0x%04X, prod_bseq = 0x%08X\n", __FUNCTION__, *prod,
3376: *chain_prod, *prod_bseq);
3377:
3378: bnx_get_buf_exit:
3379: DBPRINT(sc, (BNX_VERBOSE_RESET | BNX_VERBOSE_RECV), "Exiting %s()\n",
3380: __FUNCTION__);
3381:
3382: return(rc);
3383: }
3384:
3385: /****************************************************************************/
3386: /* Allocate memory and initialize the TX data structures. */
3387: /* */
3388: /* Returns: */
3389: /* 0 for success, positive value for failure. */
3390: /****************************************************************************/
3391: int
3392: bnx_init_tx_chain(struct bnx_softc *sc)
3393: {
3394: struct tx_bd *txbd;
3395: u_int32_t val, addr;
3396: int i, rc = 0;
3397:
3398: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
3399:
3400: /* Set the initial TX producer/consumer indices. */
3401: sc->tx_prod = 0;
3402: sc->tx_cons = 0;
3403: sc->tx_prod_bseq = 0;
3404: sc->used_tx_bd = 0;
3405: DBRUNIF(1, sc->tx_hi_watermark = USABLE_TX_BD);
3406:
3407: /*
3408: * The NetXtreme II supports a linked-list structure called
3409: * a Buffer Descriptor Chain (or BD chain). A BD chain
3410: * consists of a series of 1 or more chain pages, each of which
3411: * consists of a fixed number of BD entries.
3412: * The last BD entry on each page is a pointer to the next page
3413: * in the chain, and the last pointer in the BD chain
3414: * points back to the beginning of the chain.
3415: */
3416:
3417: /* Set the TX next pointer chain entries. */
3418: for (i = 0; i < TX_PAGES; i++) {
3419: int j;
3420:
3421: txbd = &sc->tx_bd_chain[i][USABLE_TX_BD_PER_PAGE];
3422:
3423: /* Check if we've reached the last page. */
3424: if (i == (TX_PAGES - 1))
3425: j = 0;
3426: else
3427: j = i + 1;
3428:
3429: addr = (u_int32_t)(sc->tx_bd_chain_paddr[j]);
3430: txbd->tx_bd_haddr_lo = htole32(addr);
3431: addr = (u_int32_t)((u_int64_t)sc->tx_bd_chain_paddr[j] >> 32);
3432: txbd->tx_bd_haddr_hi = htole32(addr);
3433: }
3434:
3435: /*
3436: * Initialize the context ID for an L2 TX chain.
3437: */
3438: val = BNX_L2CTX_TYPE_TYPE_L2;
3439: val |= BNX_L2CTX_TYPE_SIZE_L2;
3440: CTX_WR(sc, GET_CID_ADDR(TX_CID), BNX_L2CTX_TYPE, val);
3441:
3442: val = BNX_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
3443: CTX_WR(sc, GET_CID_ADDR(TX_CID), BNX_L2CTX_CMD_TYPE, val);
3444:
3445: /* Point the hardware to the first page in the chain. */
3446: val = (u_int32_t)((u_int64_t)sc->tx_bd_chain_paddr[0] >> 32);
3447: CTX_WR(sc, GET_CID_ADDR(TX_CID), BNX_L2CTX_TBDR_BHADDR_HI, val);
3448: val = (u_int32_t)(sc->tx_bd_chain_paddr[0]);
3449: CTX_WR(sc, GET_CID_ADDR(TX_CID), BNX_L2CTX_TBDR_BHADDR_LO, val);
3450:
3451: DBRUN(BNX_VERBOSE_SEND, bnx_dump_tx_chain(sc, 0, TOTAL_TX_BD));
3452:
3453: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
3454:
3455: return(rc);
3456: }
3457:
3458: /****************************************************************************/
3459: /* Free memory and clear the TX data structures. */
3460: /* */
3461: /* Returns: */
3462: /* Nothing. */
3463: /****************************************************************************/
3464: void
3465: bnx_free_tx_chain(struct bnx_softc *sc)
3466: {
3467: int i;
3468:
3469: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
3470:
3471: /* Unmap, unload, and free any mbufs still in the TX mbuf chain. */
3472: for (i = 0; i < TOTAL_TX_BD; i++) {
3473: if (sc->tx_mbuf_ptr[i] != NULL) {
3474: if (sc->tx_mbuf_map != NULL)
3475: bus_dmamap_sync(sc->bnx_dmatag,
3476: sc->tx_mbuf_map[i], 0,
3477: sc->tx_mbuf_map[i]->dm_mapsize,
3478: BUS_DMASYNC_POSTWRITE);
3479: m_freem(sc->tx_mbuf_ptr[i]);
3480: sc->tx_mbuf_ptr[i] = NULL;
3481: DBRUNIF(1, sc->tx_mbuf_alloc--);
3482: }
3483: }
3484:
3485: /* Clear each TX chain page. */
3486: for (i = 0; i < TX_PAGES; i++)
3487: bzero((char *)sc->tx_bd_chain[i], BNX_TX_CHAIN_PAGE_SZ);
3488:
3489: /* Check if we lost any mbufs in the process. */
3490: DBRUNIF((sc->tx_mbuf_alloc),
3491: printf("%s: Memory leak! Lost %d mbufs from tx chain!\n",
3492: sc->tx_mbuf_alloc));
3493:
3494: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
3495: }
3496:
3497: /****************************************************************************/
3498: /* Allocate memory and initialize the RX data structures. */
3499: /* */
3500: /* Returns: */
3501: /* 0 for success, positive value for failure. */
3502: /****************************************************************************/
3503: int
3504: bnx_init_rx_chain(struct bnx_softc *sc)
3505: {
3506: struct rx_bd *rxbd;
3507: int i, rc = 0;
3508: u_int16_t prod, chain_prod;
3509: u_int32_t prod_bseq, val, addr;
3510:
3511: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
3512:
3513: /* Initialize the RX producer and consumer indices. */
3514: sc->rx_prod = 0;
3515: sc->rx_cons = 0;
3516: sc->rx_prod_bseq = 0;
3517: sc->free_rx_bd = BNX_RX_SLACK_SPACE;
3518: DBRUNIF(1, sc->rx_low_watermark = USABLE_RX_BD);
3519:
3520: /* Initialize the RX next pointer chain entries. */
3521: for (i = 0; i < RX_PAGES; i++) {
3522: int j;
3523:
3524: rxbd = &sc->rx_bd_chain[i][USABLE_RX_BD_PER_PAGE];
3525:
3526: /* Check if we've reached the last page. */
3527: if (i == (RX_PAGES - 1))
3528: j = 0;
3529: else
3530: j = i + 1;
3531:
3532: /* Setup the chain page pointers. */
3533: addr = (u_int32_t)((u_int64_t)sc->rx_bd_chain_paddr[j] >> 32);
3534: rxbd->rx_bd_haddr_hi = htole32(addr);
3535: addr = (u_int32_t)(sc->rx_bd_chain_paddr[j]);
3536: rxbd->rx_bd_haddr_lo = htole32(addr);
3537: }
3538:
3539: /* Initialize the context ID for an L2 RX chain. */
3540: val = BNX_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE;
3541: val |= BNX_L2CTX_CTX_TYPE_SIZE_L2;
3542: val |= 0x02 << 8;
3543: CTX_WR(sc, GET_CID_ADDR(RX_CID), BNX_L2CTX_CTX_TYPE, val);
3544:
3545: /* Point the hardware to the first page in the chain. */
3546: val = (u_int32_t)((u_int64_t)sc->rx_bd_chain_paddr[0] >> 32);
3547: CTX_WR(sc, GET_CID_ADDR(RX_CID), BNX_L2CTX_NX_BDHADDR_HI, val);
3548: val = (u_int32_t)(sc->rx_bd_chain_paddr[0]);
3549: CTX_WR(sc, GET_CID_ADDR(RX_CID), BNX_L2CTX_NX_BDHADDR_LO, val);
3550:
3551: /* Allocate mbuf clusters for the rx_bd chain. */
3552: prod = prod_bseq = 0;
3553: while (prod < BNX_RX_SLACK_SPACE) {
3554: chain_prod = RX_CHAIN_IDX(prod);
3555: if (bnx_get_buf(sc, NULL, &prod, &chain_prod, &prod_bseq)) {
3556: BNX_PRINTF(sc, "Error filling RX chain: rx_bd[0x%04X]!\n",
3557: chain_prod);
3558: rc = ENOBUFS;
3559: break;
3560: }
3561: prod = NEXT_RX_BD(prod);
3562: }
3563:
3564: /* Save the RX chain producer index. */
3565: sc->rx_prod = prod;
3566: sc->rx_prod_bseq = prod_bseq;
3567:
3568: for (i = 0; i < RX_PAGES; i++)
3569: bus_dmamap_sync(sc->bnx_dmatag, sc->rx_bd_chain_map[i], 0,
3570: sc->rx_bd_chain_map[i]->dm_mapsize,
3571: BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3572:
3573: /* Tell the chip about the waiting rx_bd's. */
3574: REG_WR16(sc, MB_RX_CID_ADDR + BNX_L2CTX_HOST_BDIDX, sc->rx_prod);
3575: REG_WR(sc, MB_RX_CID_ADDR + BNX_L2CTX_HOST_BSEQ, sc->rx_prod_bseq);
3576:
3577: DBRUN(BNX_VERBOSE_RECV, bnx_dump_rx_chain(sc, 0, TOTAL_RX_BD));
3578:
3579: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
3580:
3581: return(rc);
3582: }
3583:
3584: /****************************************************************************/
3585: /* Free memory and clear the RX data structures. */
3586: /* */
3587: /* Returns: */
3588: /* Nothing. */
3589: /****************************************************************************/
3590: void
3591: bnx_free_rx_chain(struct bnx_softc *sc)
3592: {
3593: int i;
3594:
3595: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
3596:
3597: /* Free any mbufs still in the RX mbuf chain. */
3598: for (i = 0; i < TOTAL_RX_BD; i++) {
3599: if (sc->rx_mbuf_ptr[i] != NULL) {
3600: if (sc->rx_mbuf_map[i] != NULL)
3601: bus_dmamap_sync(sc->bnx_dmatag,
3602: sc->rx_mbuf_map[i], 0,
3603: sc->rx_mbuf_map[i]->dm_mapsize,
3604: BUS_DMASYNC_POSTREAD);
3605: m_freem(sc->rx_mbuf_ptr[i]);
3606: sc->rx_mbuf_ptr[i] = NULL;
3607: DBRUNIF(1, sc->rx_mbuf_alloc--);
3608: }
3609: }
3610:
3611: /* Clear each RX chain page. */
3612: for (i = 0; i < RX_PAGES; i++)
3613: bzero((char *)sc->rx_bd_chain[i], BNX_RX_CHAIN_PAGE_SZ);
3614:
3615: /* Check if we lost any mbufs in the process. */
3616: DBRUNIF((sc->rx_mbuf_alloc),
3617: printf("%s: Memory leak! Lost %d mbufs from rx chain!\n",
3618: sc->rx_mbuf_alloc));
3619:
3620: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
3621: }
3622:
3623: /****************************************************************************/
3624: /* Set media options. */
3625: /* */
3626: /* Returns: */
3627: /* 0 for success, positive value for failure. */
3628: /****************************************************************************/
3629: int
3630: bnx_ifmedia_upd(struct ifnet *ifp)
3631: {
3632: struct bnx_softc *sc;
3633: struct mii_data *mii;
3634: struct ifmedia *ifm;
3635: int rc = 0;
3636:
3637: sc = ifp->if_softc;
3638: ifm = &sc->bnx_ifmedia;
3639:
3640: /* DRC - ToDo: Add SerDes support. */
3641:
3642: mii = &sc->bnx_mii;
3643: sc->bnx_link = 0;
3644: if (mii->mii_instance) {
3645: struct mii_softc *miisc;
3646: LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
3647: mii_phy_reset(miisc);
3648: }
3649: mii_mediachg(mii);
3650:
3651: return(rc);
3652: }
3653:
3654: /****************************************************************************/
3655: /* Reports current media status. */
3656: /* */
3657: /* Returns: */
3658: /* Nothing. */
3659: /****************************************************************************/
3660: void
3661: bnx_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
3662: {
3663: struct bnx_softc *sc;
3664: struct mii_data *mii;
3665: int s;
3666:
3667: sc = ifp->if_softc;
3668:
3669: s = splnet();
3670:
3671: mii = &sc->bnx_mii;
3672:
3673: /* DRC - ToDo: Add SerDes support. */
3674:
3675: mii_pollstat(mii);
3676: ifmr->ifm_active = mii->mii_media_active;
3677: ifmr->ifm_status = mii->mii_media_status;
3678:
3679: splx(s);
3680: }
3681:
3682: /****************************************************************************/
3683: /* Handles PHY generated interrupt events. */
3684: /* */
3685: /* Returns: */
3686: /* Nothing. */
3687: /****************************************************************************/
3688: void
3689: bnx_phy_intr(struct bnx_softc *sc)
3690: {
3691: u_int32_t new_link_state, old_link_state;
3692:
3693: new_link_state = sc->status_block->status_attn_bits &
3694: STATUS_ATTN_BITS_LINK_STATE;
3695: old_link_state = sc->status_block->status_attn_bits_ack &
3696: STATUS_ATTN_BITS_LINK_STATE;
3697:
3698: /* Handle any changes if the link state has changed. */
3699: if (new_link_state != old_link_state) {
3700: DBRUN(BNX_VERBOSE_INTR, bnx_dump_status_block(sc));
3701:
3702: sc->bnx_link = 0;
3703: timeout_del(&sc->bnx_timeout);
3704: bnx_tick(sc);
3705:
3706: /* Update the status_attn_bits_ack field in the status block. */
3707: if (new_link_state) {
3708: REG_WR(sc, BNX_PCICFG_STATUS_BIT_SET_CMD,
3709: STATUS_ATTN_BITS_LINK_STATE);
3710: DBPRINT(sc, BNX_INFO, "Link is now UP.\n");
3711: } else {
3712: REG_WR(sc, BNX_PCICFG_STATUS_BIT_CLEAR_CMD,
3713: STATUS_ATTN_BITS_LINK_STATE);
3714: DBPRINT(sc, BNX_INFO, "Link is now DOWN.\n");
3715: }
3716: }
3717:
3718: /* Acknowledge the link change interrupt. */
3719: REG_WR(sc, BNX_EMAC_STATUS, BNX_EMAC_STATUS_LINK_CHANGE);
3720: }
3721:
3722: /****************************************************************************/
3723: /* Handles received frame interrupt events. */
3724: /* */
3725: /* Returns: */
3726: /* Nothing. */
3727: /****************************************************************************/
3728: void
3729: bnx_rx_intr(struct bnx_softc *sc)
3730: {
3731: struct status_block *sblk = sc->status_block;
3732: struct ifnet *ifp = &sc->arpcom.ac_if;
3733: u_int16_t hw_cons, sw_cons, sw_chain_cons;
3734: u_int16_t sw_prod, sw_chain_prod;
3735: u_int32_t sw_prod_bseq;
3736: struct l2_fhdr *l2fhdr;
3737: int i;
3738:
3739: DBRUNIF(1, sc->rx_interrupts++);
3740:
3741: /* Prepare the RX chain pages to be accessed by the host CPU. */
3742: for (i = 0; i < RX_PAGES; i++)
3743: bus_dmamap_sync(sc->bnx_dmatag,
3744: sc->rx_bd_chain_map[i], 0,
3745: sc->rx_bd_chain_map[i]->dm_mapsize,
3746: BUS_DMASYNC_POSTWRITE);
3747:
3748: /* Get the hardware's view of the RX consumer index. */
3749: hw_cons = sc->hw_rx_cons = sblk->status_rx_quick_consumer_index0;
3750: if ((hw_cons & USABLE_RX_BD_PER_PAGE) == USABLE_RX_BD_PER_PAGE)
3751: hw_cons++;
3752:
3753: /* Get working copies of the driver's view of the RX indices. */
3754: sw_cons = sc->rx_cons;
3755: sw_prod = sc->rx_prod;
3756: sw_prod_bseq = sc->rx_prod_bseq;
3757:
3758: DBPRINT(sc, BNX_INFO_RECV, "%s(enter): sw_prod = 0x%04X, "
3759: "sw_cons = 0x%04X, sw_prod_bseq = 0x%08X\n",
3760: __FUNCTION__, sw_prod, sw_cons, sw_prod_bseq);
3761:
3762: /* Prevent speculative reads from getting ahead of the status block. */
3763: bus_space_barrier(sc->bnx_btag, sc->bnx_bhandle, 0, 0,
3764: BUS_SPACE_BARRIER_READ);
3765:
3766: DBRUNIF((sc->free_rx_bd < sc->rx_low_watermark),
3767: sc->rx_low_watermark = sc->free_rx_bd);
3768:
3769: /*
3770: * Scan through the receive chain as long
3771: * as there is work to do.
3772: */
3773: while (sw_cons != hw_cons) {
3774: struct mbuf *m;
3775: struct rx_bd *rxbd;
3776: unsigned int len;
3777: u_int32_t status;
3778:
3779: /* Convert the producer/consumer indices to an actual
3780: * rx_bd index.
3781: */
3782: sw_chain_cons = RX_CHAIN_IDX(sw_cons);
3783: sw_chain_prod = RX_CHAIN_IDX(sw_prod);
3784:
3785: /* Get the used rx_bd. */
3786: rxbd = &sc->rx_bd_chain[RX_PAGE(sw_chain_cons)][RX_IDX(sw_chain_cons)];
3787: sc->free_rx_bd++;
3788:
3789: DBRUN(BNX_VERBOSE_RECV, printf("%s(): ", __FUNCTION__);
3790: bnx_dump_rxbd(sc, sw_chain_cons, rxbd));
3791:
3792: /* The mbuf is stored with the last rx_bd entry of a packet. */
3793: if (sc->rx_mbuf_ptr[sw_chain_cons] != NULL) {
3794: /* Validate that this is the last rx_bd. */
3795: DBRUNIF((!(rxbd->rx_bd_flags & RX_BD_FLAGS_END)),
3796: printf("%s: Unexpected mbuf found in "
3797: "rx_bd[0x%04X]!\n", sw_chain_cons);
3798: bnx_breakpoint(sc));
3799:
3800: /* DRC - ToDo: If the received packet is small, say less
3801: * than 128 bytes, allocate a new mbuf here,
3802: * copy the data to that mbuf, and recycle
3803: * the mapped jumbo frame.
3804: */
3805:
3806: /* Unmap the mbuf from DMA space. */
3807: bus_dmamap_sync(sc->bnx_dmatag,
3808: sc->rx_mbuf_map[sw_chain_cons], 0,
3809: sc->rx_mbuf_map[sw_chain_cons]->dm_mapsize,
3810: BUS_DMASYNC_POSTREAD);
3811: bus_dmamap_unload(sc->bnx_dmatag,
3812: sc->rx_mbuf_map[sw_chain_cons]);
3813:
3814: /* Remove the mbuf from the driver's chain. */
3815: m = sc->rx_mbuf_ptr[sw_chain_cons];
3816: sc->rx_mbuf_ptr[sw_chain_cons] = NULL;
3817:
3818: /*
3819: * Frames received on the NetXteme II are prepended
3820: * with the l2_fhdr structure which provides status
3821: * information about the received frame (including
3822: * VLAN tags and checksum info) and are also
3823: * automatically adjusted to align the IP header
3824: * (i.e. two null bytes are inserted before the
3825: * Ethernet header).
3826: */
3827: l2fhdr = mtod(m, struct l2_fhdr *);
3828:
3829: len = l2fhdr->l2_fhdr_pkt_len;
3830: status = l2fhdr->l2_fhdr_status;
3831:
3832: DBRUNIF(DB_RANDOMTRUE(bnx_debug_l2fhdr_status_check),
3833: printf("Simulating l2_fhdr status error.\n");
3834: status = status | L2_FHDR_ERRORS_PHY_DECODE);
3835:
3836: /* Watch for unusual sized frames. */
3837: DBRUNIF(((len < BNX_MIN_MTU) ||
3838: (len > BNX_MAX_JUMBO_ETHER_MTU_VLAN)),
3839: printf("%s: Unusual frame size found. "
3840: "Min(%d), Actual(%d), Max(%d)\n", (int)BNX_MIN_MTU,
3841: len, (int) BNX_MAX_JUMBO_ETHER_MTU_VLAN);
3842:
3843: bnx_dump_mbuf(sc, m);
3844: bnx_breakpoint(sc));
3845:
3846: len -= ETHER_CRC_LEN;
3847:
3848: /* Check the received frame for errors. */
3849: if (status & (L2_FHDR_ERRORS_BAD_CRC |
3850: L2_FHDR_ERRORS_PHY_DECODE |
3851: L2_FHDR_ERRORS_ALIGNMENT |
3852: L2_FHDR_ERRORS_TOO_SHORT |
3853: L2_FHDR_ERRORS_GIANT_FRAME)) {
3854: ifp->if_ierrors++;
3855: DBRUNIF(1, sc->l2fhdr_status_errors++);
3856:
3857: /* Reuse the mbuf for a new frame. */
3858: if (bnx_get_buf(sc, m, &sw_prod,
3859: &sw_chain_prod, &sw_prod_bseq)) {
3860: DBRUNIF(1, bnx_breakpoint(sc));
3861: panic("%s: Can't reuse RX mbuf!\n",
3862: sc->bnx_dev.dv_xname);
3863: }
3864: goto bnx_rx_int_next_rx;
3865: }
3866:
3867: /*
3868: * Get a new mbuf for the rx_bd. If no new
3869: * mbufs are available then reuse the current mbuf,
3870: * log an ierror on the interface, and generate
3871: * an error in the system log.
3872: */
3873: if (bnx_get_buf(sc, NULL, &sw_prod, &sw_chain_prod,
3874: &sw_prod_bseq)) {
3875: DBRUN(BNX_WARN, BNX_PRINTF(sc, "Failed to allocate "
3876: "new mbuf, incoming frame dropped!\n"));
3877:
3878: ifp->if_ierrors++;
3879:
3880: /* Try and reuse the exisitng mbuf. */
3881: if (bnx_get_buf(sc, m, &sw_prod,
3882: &sw_chain_prod, &sw_prod_bseq)) {
3883: DBRUNIF(1, bnx_breakpoint(sc));
3884: panic("%s: Double mbuf allocation "
3885: "failure!", sc->bnx_dev.dv_xname);
3886: }
3887: goto bnx_rx_int_next_rx;
3888: }
3889:
3890: /* Skip over the l2_fhdr when passing the data up
3891: * the stack.
3892: */
3893: m_adj(m, sizeof(struct l2_fhdr) + ETHER_ALIGN);
3894:
3895: /* Adjust the pckt length to match the received data. */
3896: m->m_pkthdr.len = m->m_len = len;
3897:
3898: /* Send the packet to the appropriate interface. */
3899: m->m_pkthdr.rcvif = ifp;
3900:
3901: DBRUN(BNX_VERBOSE_RECV,
3902: struct ether_header *eh;
3903: eh = mtod(m, struct ether_header *);
3904: printf("%s: to: %6D, from: %6D, type: 0x%04X\n",
3905: __FUNCTION__, eh->ether_dhost, ":",
3906: eh->ether_shost, ":", htons(eh->ether_type)));
3907:
3908: /* Validate the checksum. */
3909:
3910: /* Check for an IP datagram. */
3911: if (status & L2_FHDR_STATUS_IP_DATAGRAM) {
3912: /* Check if the IP checksum is valid. */
3913: if ((l2fhdr->l2_fhdr_ip_xsum ^ 0xffff)
3914: == 0)
3915: m->m_pkthdr.csum_flags |=
3916: M_IPV4_CSUM_IN_OK;
3917: else
3918: DBPRINT(sc, BNX_WARN_SEND,
3919: "%s(): Invalid IP checksum "
3920: "= 0x%04X!\n",
3921: __FUNCTION__,
3922: l2fhdr->l2_fhdr_ip_xsum
3923: );
3924: }
3925:
3926: /* Check for a valid TCP/UDP frame. */
3927: if (status & (L2_FHDR_STATUS_TCP_SEGMENT |
3928: L2_FHDR_STATUS_UDP_DATAGRAM)) {
3929: /* Check for a good TCP/UDP checksum. */
3930: if ((status &
3931: (L2_FHDR_ERRORS_TCP_XSUM |
3932: L2_FHDR_ERRORS_UDP_XSUM)) == 0) {
3933: m->m_pkthdr.csum_flags |=
3934: M_TCP_CSUM_IN_OK |
3935: M_UDP_CSUM_IN_OK;
3936: } else {
3937: DBPRINT(sc, BNX_WARN_SEND,
3938: "%s(): Invalid TCP/UDP "
3939: "checksum = 0x%04X!\n",
3940: __FUNCTION__,
3941: l2fhdr->l2_fhdr_tcp_udp_xsum);
3942: }
3943: }
3944:
3945: /*
3946: * If we received a packet with a vlan tag,
3947: * attach that information to the packet.
3948: */
3949: if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
3950: !(sc->rx_mode & BNX_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
3951: #if NVLAN > 0
3952: struct ether_vlan_header vh;
3953:
3954: DBPRINT(sc, BNX_VERBOSE_SEND,
3955: "%s(): VLAN tag = 0x%04X\n",
3956: __FUNCTION__,
3957: l2fhdr->l2_fhdr_vlan_tag);
3958:
3959: if (m->m_pkthdr.len < ETHER_HDR_LEN) {
3960: m_freem(m);
3961: goto bnx_rx_int_next_rx;
3962: }
3963: m_copydata(m, 0, ETHER_HDR_LEN, (caddr_t)&vh);
3964: vh.evl_proto = vh.evl_encap_proto;
3965: vh.evl_tag = htons(l2fhdr->l2_fhdr_vlan_tag);
3966: vh.evl_encap_proto = htons(ETHERTYPE_VLAN);
3967: m_adj(m, ETHER_HDR_LEN);
3968: M_PREPEND(m, sizeof(vh), M_DONTWAIT);
3969: if (m == NULL)
3970: goto bnx_rx_int_next_rx;
3971: m_copyback(m, 0, sizeof(vh), &vh);
3972: #else
3973: m_freem(m);
3974: goto bnx_rx_int_next_rx;
3975: #endif
3976: }
3977:
3978: #if NBPFILTER > 0
3979: /*
3980: * Handle BPF listeners. Let the BPF
3981: * user see the packet.
3982: */
3983: if (ifp->if_bpf)
3984: bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_IN);
3985: #endif
3986:
3987: /* Pass the mbuf off to the upper layers. */
3988: ifp->if_ipackets++;
3989: DBPRINT(sc, BNX_VERBOSE_RECV,
3990: "%s(): Passing received frame up.\n", __FUNCTION__);
3991: ether_input_mbuf(ifp, m);
3992: DBRUNIF(1, sc->rx_mbuf_alloc--);
3993:
3994: bnx_rx_int_next_rx:
3995: sw_prod = NEXT_RX_BD(sw_prod);
3996: }
3997:
3998: sw_cons = NEXT_RX_BD(sw_cons);
3999:
4000: /* Refresh hw_cons to see if there's new work */
4001: if (sw_cons == hw_cons) {
4002: hw_cons = sc->hw_rx_cons =
4003: sblk->status_rx_quick_consumer_index0;
4004: if ((hw_cons & USABLE_RX_BD_PER_PAGE) ==
4005: USABLE_RX_BD_PER_PAGE)
4006: hw_cons++;
4007: }
4008:
4009: /* Prevent speculative reads from getting ahead of
4010: * the status block.
4011: */
4012: bus_space_barrier(sc->bnx_btag, sc->bnx_bhandle, 0, 0,
4013: BUS_SPACE_BARRIER_READ);
4014: }
4015:
4016: for (i = 0; i < RX_PAGES; i++)
4017: bus_dmamap_sync(sc->bnx_dmatag,
4018: sc->rx_bd_chain_map[i], 0,
4019: sc->rx_bd_chain_map[i]->dm_mapsize,
4020: BUS_DMASYNC_PREWRITE);
4021:
4022: sc->rx_cons = sw_cons;
4023: sc->rx_prod = sw_prod;
4024: sc->rx_prod_bseq = sw_prod_bseq;
4025:
4026: REG_WR16(sc, MB_RX_CID_ADDR + BNX_L2CTX_HOST_BDIDX, sc->rx_prod);
4027: REG_WR(sc, MB_RX_CID_ADDR + BNX_L2CTX_HOST_BSEQ, sc->rx_prod_bseq);
4028:
4029: DBPRINT(sc, BNX_INFO_RECV, "%s(exit): rx_prod = 0x%04X, "
4030: "rx_cons = 0x%04X, rx_prod_bseq = 0x%08X\n",
4031: __FUNCTION__, sc->rx_prod, sc->rx_cons, sc->rx_prod_bseq);
4032: }
4033:
4034: /****************************************************************************/
4035: /* Handles transmit completion interrupt events. */
4036: /* */
4037: /* Returns: */
4038: /* Nothing. */
4039: /****************************************************************************/
4040: void
4041: bnx_tx_intr(struct bnx_softc *sc)
4042: {
4043: struct status_block *sblk = sc->status_block;
4044: struct ifnet *ifp = &sc->arpcom.ac_if;
4045: u_int16_t hw_tx_cons, sw_tx_cons, sw_tx_chain_cons;
4046:
4047: DBRUNIF(1, sc->tx_interrupts++);
4048:
4049: /* Get the hardware's view of the TX consumer index. */
4050: hw_tx_cons = sc->hw_tx_cons = sblk->status_tx_quick_consumer_index0;
4051:
4052: /* Skip to the next entry if this is a chain page pointer. */
4053: if ((hw_tx_cons & USABLE_TX_BD_PER_PAGE) == USABLE_TX_BD_PER_PAGE)
4054: hw_tx_cons++;
4055:
4056: sw_tx_cons = sc->tx_cons;
4057:
4058: /* Prevent speculative reads from getting ahead of the status block. */
4059: bus_space_barrier(sc->bnx_btag, sc->bnx_bhandle, 0, 0,
4060: BUS_SPACE_BARRIER_READ);
4061:
4062: /* Cycle through any completed TX chain page entries. */
4063: while (sw_tx_cons != hw_tx_cons) {
4064: #ifdef BNX_DEBUG
4065: struct tx_bd *txbd = NULL;
4066: #endif
4067: sw_tx_chain_cons = TX_CHAIN_IDX(sw_tx_cons);
4068:
4069: DBPRINT(sc, BNX_INFO_SEND, "%s(): hw_tx_cons = 0x%04X, "
4070: "sw_tx_cons = 0x%04X, sw_tx_chain_cons = 0x%04X\n",
4071: __FUNCTION__, hw_tx_cons, sw_tx_cons, sw_tx_chain_cons);
4072:
4073: DBRUNIF((sw_tx_chain_cons > MAX_TX_BD),
4074: printf("%s: TX chain consumer out of range! "
4075: " 0x%04X > 0x%04X\n", sw_tx_chain_cons, (int)MAX_TX_BD);
4076: bnx_breakpoint(sc));
4077:
4078: DBRUNIF(1, txbd = &sc->tx_bd_chain
4079: [TX_PAGE(sw_tx_chain_cons)][TX_IDX(sw_tx_chain_cons)]);
4080:
4081: DBRUNIF((txbd == NULL),
4082: printf("%s: Unexpected NULL tx_bd[0x%04X]!\n",
4083: sw_tx_chain_cons);
4084: bnx_breakpoint(sc));
4085:
4086: DBRUN(BNX_INFO_SEND, printf("%s: ", __FUNCTION__);
4087: bnx_dump_txbd(sc, sw_tx_chain_cons, txbd));
4088:
4089: /*
4090: * Free the associated mbuf. Remember
4091: * that only the last tx_bd of a packet
4092: * has an mbuf pointer and DMA map.
4093: */
4094: if (sc->tx_mbuf_ptr[sw_tx_chain_cons] != NULL) {
4095: /* Validate that this is the last tx_bd. */
4096: DBRUNIF((!(txbd->tx_bd_flags & TX_BD_FLAGS_END)),
4097: printf("%s: tx_bd END flag not set but "
4098: "txmbuf == NULL!\n");
4099: bnx_breakpoint(sc));
4100:
4101: DBRUN(BNX_INFO_SEND,
4102: printf("%s: Unloading map/freeing mbuf "
4103: "from tx_bd[0x%04X]\n",
4104: __FUNCTION__, sw_tx_chain_cons));
4105:
4106: /* Unmap the mbuf. */
4107: bus_dmamap_unload(sc->bnx_dmatag,
4108: sc->tx_mbuf_map[sw_tx_chain_cons]);
4109:
4110: /* Free the mbuf. */
4111: m_freem(sc->tx_mbuf_ptr[sw_tx_chain_cons]);
4112: sc->tx_mbuf_ptr[sw_tx_chain_cons] = NULL;
4113: DBRUNIF(1, sc->tx_mbuf_alloc--);
4114:
4115: ifp->if_opackets++;
4116: }
4117:
4118: sc->used_tx_bd--;
4119: sw_tx_cons = NEXT_TX_BD(sw_tx_cons);
4120:
4121: /* Refresh hw_cons to see if there's new work. */
4122: hw_tx_cons = sc->hw_tx_cons =
4123: sblk->status_tx_quick_consumer_index0;
4124: if ((hw_tx_cons & USABLE_TX_BD_PER_PAGE) ==
4125: USABLE_TX_BD_PER_PAGE)
4126: hw_tx_cons++;
4127:
4128: /* Prevent speculative reads from getting ahead of
4129: * the status block.
4130: */
4131: bus_space_barrier(sc->bnx_btag, sc->bnx_bhandle, 0, 0,
4132: BUS_SPACE_BARRIER_READ);
4133: }
4134:
4135: /* Clear the TX timeout timer. */
4136: ifp->if_timer = 0;
4137:
4138: /* Clear the tx hardware queue full flag. */
4139: if ((sc->used_tx_bd + BNX_TX_SLACK_SPACE) < USABLE_TX_BD) {
4140: DBRUNIF((ifp->if_flags & IFF_OACTIVE),
4141: printf("%s: TX chain is open for business! Used "
4142: "tx_bd = %d\n", sc->used_tx_bd));
4143: ifp->if_flags &= ~IFF_OACTIVE;
4144: }
4145:
4146: sc->tx_cons = sw_tx_cons;
4147: }
4148:
4149: /****************************************************************************/
4150: /* Disables interrupt generation. */
4151: /* */
4152: /* Returns: */
4153: /* Nothing. */
4154: /****************************************************************************/
4155: void
4156: bnx_disable_intr(struct bnx_softc *sc)
4157: {
4158: REG_WR(sc, BNX_PCICFG_INT_ACK_CMD, BNX_PCICFG_INT_ACK_CMD_MASK_INT);
4159: REG_RD(sc, BNX_PCICFG_INT_ACK_CMD);
4160: }
4161:
4162: /****************************************************************************/
4163: /* Enables interrupt generation. */
4164: /* */
4165: /* Returns: */
4166: /* Nothing. */
4167: /****************************************************************************/
4168: void
4169: bnx_enable_intr(struct bnx_softc *sc)
4170: {
4171: u_int32_t val;
4172:
4173: REG_WR(sc, BNX_PCICFG_INT_ACK_CMD, BNX_PCICFG_INT_ACK_CMD_INDEX_VALID |
4174: BNX_PCICFG_INT_ACK_CMD_MASK_INT | sc->last_status_idx);
4175:
4176: REG_WR(sc, BNX_PCICFG_INT_ACK_CMD, BNX_PCICFG_INT_ACK_CMD_INDEX_VALID |
4177: sc->last_status_idx);
4178:
4179: val = REG_RD(sc, BNX_HC_COMMAND);
4180: REG_WR(sc, BNX_HC_COMMAND, val | BNX_HC_COMMAND_COAL_NOW);
4181: }
4182:
4183: /****************************************************************************/
4184: /* Handles controller initialization. */
4185: /* */
4186: /* Returns: */
4187: /* Nothing. */
4188: /****************************************************************************/
4189: void
4190: bnx_init(void *xsc)
4191: {
4192: struct bnx_softc *sc = (struct bnx_softc *)xsc;
4193: struct ifnet *ifp = &sc->arpcom.ac_if;
4194: u_int32_t ether_mtu;
4195: int s;
4196:
4197: DBPRINT(sc, BNX_VERBOSE_RESET, "Entering %s()\n", __FUNCTION__);
4198:
4199: s = splnet();
4200:
4201: bnx_stop(sc);
4202:
4203: if (bnx_reset(sc, BNX_DRV_MSG_CODE_RESET)) {
4204: BNX_PRINTF(sc, "Controller reset failed!\n");
4205: goto bnx_init_exit;
4206: }
4207:
4208: if (bnx_chipinit(sc)) {
4209: BNX_PRINTF(sc, "Controller initialization failed!\n");
4210: goto bnx_init_exit;
4211: }
4212:
4213: if (bnx_blockinit(sc)) {
4214: BNX_PRINTF(sc, "Block initialization failed!\n");
4215: goto bnx_init_exit;
4216: }
4217:
4218: /* Load our MAC address. */
4219: bcopy(sc->arpcom.ac_enaddr, sc->eaddr, ETHER_ADDR_LEN);
4220: bnx_set_mac_addr(sc);
4221:
4222: /* Calculate and program the Ethernet MRU size. */
4223: ether_mtu = BNX_MAX_STD_ETHER_MTU_VLAN;
4224:
4225: DBPRINT(sc, BNX_INFO, "%s(): setting MRU = %d\n",
4226: __FUNCTION__, ether_mtu);
4227:
4228: /*
4229: * Program the MRU and enable Jumbo frame
4230: * support.
4231: */
4232: REG_WR(sc, BNX_EMAC_RX_MTU_SIZE, ether_mtu |
4233: BNX_EMAC_RX_MTU_SIZE_JUMBO_ENA);
4234:
4235: /* Calculate the RX Ethernet frame size for rx_bd's. */
4236: sc->max_frame_size = sizeof(struct l2_fhdr) + 2 + ether_mtu + 8;
4237:
4238: DBPRINT(sc, BNX_INFO, "%s(): mclbytes = %d, mbuf_alloc_size = %d, "
4239: "max_frame_size = %d\n", __FUNCTION__, (int)MCLBYTES,
4240: sc->mbuf_alloc_size, sc->max_frame_size);
4241:
4242: /* Program appropriate promiscuous/multicast filtering. */
4243: bnx_set_rx_mode(sc);
4244:
4245: /* Init RX buffer descriptor chain. */
4246: bnx_init_rx_chain(sc);
4247:
4248: /* Init TX buffer descriptor chain. */
4249: bnx_init_tx_chain(sc);
4250:
4251: /* Enable host interrupts. */
4252: bnx_enable_intr(sc);
4253:
4254: bnx_ifmedia_upd(ifp);
4255:
4256: ifp->if_flags |= IFF_RUNNING;
4257: ifp->if_flags &= ~IFF_OACTIVE;
4258:
4259: timeout_add(&sc->bnx_timeout, hz);
4260:
4261: bnx_init_exit:
4262: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
4263:
4264: splx(s);
4265:
4266: return;
4267: }
4268:
4269: void
4270: bnx_mgmt_init(struct bnx_softc *sc)
4271: {
4272: struct ifnet *ifp = &sc->arpcom.ac_if;
4273: u_int32_t val;
4274:
4275: /* Check if the driver is still running and bail out if it is. */
4276: if (ifp->if_flags & IFF_RUNNING)
4277: goto bnx_mgmt_init_exit;
4278:
4279: /* Initialize the on-boards CPUs */
4280: bnx_init_cpus(sc);
4281:
4282: val = (BCM_PAGE_BITS - 8) << 24;
4283: REG_WR(sc, BNX_RV2P_CONFIG, val);
4284:
4285: /* Enable all critical blocks in the MAC. */
4286: REG_WR(sc, BNX_MISC_ENABLE_SET_BITS,
4287: BNX_MISC_ENABLE_SET_BITS_RX_V2P_ENABLE |
4288: BNX_MISC_ENABLE_SET_BITS_RX_DMA_ENABLE |
4289: BNX_MISC_ENABLE_SET_BITS_COMPLETION_ENABLE);
4290: REG_RD(sc, BNX_MISC_ENABLE_SET_BITS);
4291: DELAY(20);
4292:
4293: bnx_ifmedia_upd(ifp);
4294:
4295: bnx_mgmt_init_exit:
4296: DBPRINT(sc, BNX_VERBOSE_RESET, "Exiting %s()\n", __FUNCTION__);
4297: }
4298:
4299: /****************************************************************************/
4300: /* Encapsultes an mbuf cluster into the tx_bd chain structure and makes the */
4301: /* memory visible to the controller. */
4302: /* */
4303: /* Returns: */
4304: /* 0 for success, positive value for failure. */
4305: /****************************************************************************/
4306: int
4307: bnx_tx_encap(struct bnx_softc *sc, struct mbuf **m_head)
4308: {
4309: bus_dmamap_t map;
4310: struct tx_bd *txbd = NULL;
4311: struct mbuf *m0;
4312: u_int16_t vlan_tag = 0, flags = 0;
4313: u_int16_t chain_prod, prod;
4314: #ifdef BNX_DEBUG
4315: u_int16_t debug_prod;
4316: #endif
4317: u_int32_t addr, prod_bseq;
4318: int i, error, rc = 0;
4319:
4320: m0 = *m_head;
4321: /* Transfer any checksum offload flags to the bd. */
4322: if (m0->m_pkthdr.csum_flags) {
4323: if (m0->m_pkthdr.csum_flags & M_IPV4_CSUM_OUT)
4324: flags |= TX_BD_FLAGS_IP_CKSUM;
4325: if (m0->m_pkthdr.csum_flags &
4326: (M_TCPV4_CSUM_OUT | M_UDPV4_CSUM_OUT))
4327: flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
4328: }
4329:
4330: #if NVLAN > 0
4331: /* Transfer any VLAN tags to the bd. */
4332: if ((m0->m_flags & (M_PROTO1|M_PKTHDR)) == (M_PROTO1|M_PKTHDR) &&
4333: m0->m_pkthdr.rcvif != NULL) {
4334: struct ifvlan *ifv = m0->m_pkthdr.rcvif->if_softc;
4335: flags |= TX_BD_FLAGS_VLAN_TAG;
4336: vlan_tag = ifv->ifv_tag;
4337: }
4338: #endif
4339:
4340: /* Map the mbuf into DMAable memory. */
4341: prod = sc->tx_prod;
4342: chain_prod = TX_CHAIN_IDX(prod);
4343: map = sc->tx_mbuf_map[chain_prod];
4344:
4345: /* Map the mbuf into our DMA address space. */
4346: error = bus_dmamap_load_mbuf(sc->bnx_dmatag, map, m0, BUS_DMA_NOWAIT);
4347: if (error != 0) {
4348: printf("%s: Error mapping mbuf into TX chain!\n",
4349: sc->bnx_dev.dv_xname);
4350: m_freem(m0);
4351: *m_head = NULL;
4352: return (error);
4353: }
4354:
4355: /*
4356: * The chip seems to require that at least 16 descriptors be kept
4357: * empty at all times. Make sure we honor that.
4358: * XXX Would it be faster to assume worst case scenario for
4359: * map->dm_nsegs and do this calculation higher up?
4360: */
4361: if (map->dm_nsegs > (USABLE_TX_BD - sc->used_tx_bd - BNX_TX_SLACK_SPACE)) {
4362: bus_dmamap_unload(sc->bnx_dmatag, map);
4363: return (ENOBUFS);
4364: }
4365:
4366: /* prod points to an empty tx_bd at this point. */
4367: prod_bseq = sc->tx_prod_bseq;
4368: #ifdef BNX_DEBUG
4369: debug_prod = chain_prod;
4370: #endif
4371:
4372: DBPRINT(sc, BNX_INFO_SEND,
4373: "%s(): Start: prod = 0x%04X, chain_prod = %04X, "
4374: "prod_bseq = 0x%08X\n",
4375: __FUNCTION__, *prod, chain_prod, prod_bseq);
4376:
4377: /*
4378: * Cycle through each mbuf segment that makes up
4379: * the outgoing frame, gathering the mapping info
4380: * for that segment and creating a tx_bd for the
4381: * mbuf.
4382: */
4383: for (i = 0; i < map->dm_nsegs ; i++) {
4384: chain_prod = TX_CHAIN_IDX(prod);
4385: txbd = &sc->tx_bd_chain[TX_PAGE(chain_prod)][TX_IDX(chain_prod)];
4386:
4387: addr = (u_int32_t)(map->dm_segs[i].ds_addr);
4388: txbd->tx_bd_haddr_lo = htole32(addr);
4389: addr = (u_int32_t)((u_int64_t)map->dm_segs[i].ds_addr >> 32);
4390: txbd->tx_bd_haddr_hi = htole32(addr);
4391: txbd->tx_bd_mss_nbytes = htole16(map->dm_segs[i].ds_len);
4392: txbd->tx_bd_vlan_tag = htole16(vlan_tag);
4393: txbd->tx_bd_flags = htole16(flags);
4394: prod_bseq += map->dm_segs[i].ds_len;
4395: if (i == 0)
4396: txbd->tx_bd_flags |= htole16(TX_BD_FLAGS_START);
4397: prod = NEXT_TX_BD(prod);
4398: }
4399:
4400: /* Set the END flag on the last TX buffer descriptor. */
4401: txbd->tx_bd_flags |= htole16(TX_BD_FLAGS_END);
4402:
4403: DBRUN(BNX_INFO_SEND, bnx_dump_tx_chain(sc, debug_prod, nseg));
4404:
4405: DBPRINT(sc, BNX_INFO_SEND,
4406: "%s(): End: prod = 0x%04X, chain_prod = %04X, "
4407: "prod_bseq = 0x%08X\n",
4408: __FUNCTION__, prod, chain_prod, prod_bseq);
4409:
4410: /*
4411: * Ensure that the mbuf pointer for this
4412: * transmission is placed at the array
4413: * index of the last descriptor in this
4414: * chain. This is done because a single
4415: * map is used for all segments of the mbuf
4416: * and we don't want to unload the map before
4417: * all of the segments have been freed.
4418: */
4419: sc->tx_mbuf_ptr[chain_prod] = m0;
4420: sc->used_tx_bd += map->dm_nsegs;
4421:
4422: DBRUNIF((sc->used_tx_bd > sc->tx_hi_watermark),
4423: sc->tx_hi_watermark = sc->used_tx_bd);
4424:
4425: DBRUNIF(1, sc->tx_mbuf_alloc++);
4426:
4427: DBRUN(BNX_VERBOSE_SEND, bnx_dump_tx_mbuf_chain(sc, chain_prod,
4428: map_arg.maxsegs));
4429:
4430: /* prod points to the next free tx_bd at this point. */
4431: sc->tx_prod = prod;
4432: sc->tx_prod_bseq = prod_bseq;
4433:
4434: return (rc);
4435: }
4436:
4437: /****************************************************************************/
4438: /* Main transmit routine. */
4439: /* */
4440: /* Returns: */
4441: /* Nothing. */
4442: /****************************************************************************/
4443: void
4444: bnx_start(struct ifnet *ifp)
4445: {
4446: struct bnx_softc *sc = ifp->if_softc;
4447: struct mbuf *m_head = NULL;
4448: int count = 0;
4449: u_int16_t tx_prod, tx_chain_prod;
4450:
4451: /* If there's no link or the transmit queue is empty then just exit. */
4452: if (!sc->bnx_link || IFQ_IS_EMPTY(&ifp->if_snd)) {
4453: DBPRINT(sc, BNX_INFO_SEND,
4454: "%s(): No link or transmit queue empty.\n", __FUNCTION__);
4455: goto bnx_start_exit;
4456: }
4457:
4458: /* prod points to the next free tx_bd. */
4459: tx_prod = sc->tx_prod;
4460: tx_chain_prod = TX_CHAIN_IDX(tx_prod);
4461:
4462: DBPRINT(sc, BNX_INFO_SEND, "%s(): Start: tx_prod = 0x%04X, "
4463: "tx_chain_prod = %04X, tx_prod_bseq = 0x%08X\n",
4464: __FUNCTION__, tx_prod, tx_chain_prod, sc->tx_prod_bseq);
4465:
4466: /*
4467: * Keep adding entries while there is space in the ring. We keep
4468: * BNX_TX_SLACK_SPACE entries unused at all times.
4469: */
4470: while (sc->used_tx_bd < USABLE_TX_BD - BNX_TX_SLACK_SPACE) {
4471: /* Check for any frames to send. */
4472: IFQ_POLL(&ifp->if_snd, m_head);
4473: if (m_head == NULL)
4474: break;
4475:
4476: /*
4477: * Pack the data into the transmit ring. If we
4478: * don't have room, set the OACTIVE flag to wait
4479: * for the NIC to drain the chain.
4480: */
4481: if (bnx_tx_encap(sc, &m_head)) {
4482: ifp->if_flags |= IFF_OACTIVE;
4483: DBPRINT(sc, BNX_INFO_SEND, "TX chain is closed for "
4484: "business! Total tx_bd used = %d\n",
4485: sc->used_tx_bd);
4486: break;
4487: }
4488:
4489: IFQ_DEQUEUE(&ifp->if_snd, m_head);
4490: count++;
4491:
4492: #if NBPFILTER > 0
4493: /* Send a copy of the frame to any BPF listeners. */
4494: if (ifp->if_bpf)
4495: bpf_mtap(ifp->if_bpf, m_head, BPF_DIRECTION_OUT);
4496: #endif
4497: }
4498:
4499: if (count == 0) {
4500: /* no packets were dequeued */
4501: DBPRINT(sc, BNX_VERBOSE_SEND,
4502: "%s(): No packets were dequeued\n", __FUNCTION__);
4503: goto bnx_start_exit;
4504: }
4505:
4506: /* Update the driver's counters. */
4507: tx_chain_prod = TX_CHAIN_IDX(sc->tx_prod);
4508:
4509: DBPRINT(sc, BNX_INFO_SEND, "%s(): End: tx_prod = 0x%04X, tx_chain_prod "
4510: "= 0x%04X, tx_prod_bseq = 0x%08X\n", __FUNCTION__, tx_prod,
4511: tx_chain_prod, sc->tx_prod_bseq);
4512:
4513: /* Start the transmit. */
4514: REG_WR16(sc, MB_TX_CID_ADDR + BNX_L2CTX_TX_HOST_BIDX, sc->tx_prod);
4515: REG_WR(sc, MB_TX_CID_ADDR + BNX_L2CTX_TX_HOST_BSEQ, sc->tx_prod_bseq);
4516:
4517: /* Set the tx timeout. */
4518: ifp->if_timer = BNX_TX_TIMEOUT;
4519:
4520: bnx_start_exit:
4521: return;
4522: }
4523:
4524: /****************************************************************************/
4525: /* Handles any IOCTL calls from the operating system. */
4526: /* */
4527: /* Returns: */
4528: /* 0 for success, positive value for failure. */
4529: /****************************************************************************/
4530: int
4531: bnx_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
4532: {
4533: struct bnx_softc *sc = ifp->if_softc;
4534: struct ifreq *ifr = (struct ifreq *) data;
4535: struct ifaddr *ifa = (struct ifaddr *)data;
4536: struct mii_data *mii;
4537: int s, error = 0;
4538:
4539: s = splnet();
4540:
4541: if ((error = ether_ioctl(ifp, &sc->arpcom, command, data)) > 0) {
4542: splx(s);
4543: return (error);
4544: }
4545:
4546: switch (command) {
4547: case SIOCSIFADDR:
4548: ifp->if_flags |= IFF_UP;
4549: if (!(ifp->if_flags & IFF_RUNNING))
4550: bnx_init(sc);
4551: #ifdef INET
4552: if (ifa->ifa_addr->sa_family == AF_INET)
4553: arp_ifinit(&sc->arpcom, ifa);
4554: #endif /* INET */
4555: break;
4556:
4557: case SIOCSIFMTU:
4558: if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > ifp->if_hardmtu)
4559: error = EINVAL;
4560: else if (ifp->if_mtu != ifr->ifr_mtu)
4561: ifp->if_mtu = ifr->ifr_mtu;
4562: break;
4563:
4564: case SIOCSIFFLAGS:
4565: if (ifp->if_flags & IFF_UP) {
4566: if ((ifp->if_flags & IFF_RUNNING) &&
4567: ((ifp->if_flags ^ sc->bnx_if_flags) &
4568: (IFF_ALLMULTI | IFF_PROMISC)) != 0) {
4569: bnx_set_rx_mode(sc);
4570: } else {
4571: if (!(ifp->if_flags & IFF_RUNNING))
4572: bnx_init(sc);
4573: }
4574: } else {
4575: if (ifp->if_flags & IFF_RUNNING)
4576: bnx_stop(sc);
4577: }
4578: sc->bnx_if_flags = ifp->if_flags;
4579: break;
4580:
4581: case SIOCADDMULTI:
4582: case SIOCDELMULTI:
4583: error = (command == SIOCADDMULTI)
4584: ? ether_addmulti(ifr, &sc->arpcom)
4585: : ether_delmulti(ifr, &sc->arpcom);
4586:
4587: if (error == ENETRESET) {
4588: if (ifp->if_flags & IFF_RUNNING)
4589: bnx_set_rx_mode(sc);
4590: error = 0;
4591: }
4592: break;
4593:
4594: case SIOCSIFMEDIA:
4595: case SIOCGIFMEDIA:
4596: DBPRINT(sc, BNX_VERBOSE, "bnx_phy_flags = 0x%08X\n",
4597: sc->bnx_phy_flags);
4598:
4599: if (sc->bnx_phy_flags & BNX_PHY_SERDES_FLAG)
4600: error = ifmedia_ioctl(ifp, ifr,
4601: &sc->bnx_ifmedia, command);
4602: else {
4603: mii = &sc->bnx_mii;
4604: error = ifmedia_ioctl(ifp, ifr,
4605: &mii->mii_media, command);
4606: }
4607: break;
4608:
4609: default:
4610: error = ENOTTY;
4611: break;
4612: }
4613:
4614: splx(s);
4615:
4616: return (error);
4617: }
4618:
4619: /****************************************************************************/
4620: /* Transmit timeout handler. */
4621: /* */
4622: /* Returns: */
4623: /* Nothing. */
4624: /****************************************************************************/
4625: void
4626: bnx_watchdog(struct ifnet *ifp)
4627: {
4628: struct bnx_softc *sc = ifp->if_softc;
4629:
4630: DBRUN(BNX_WARN_SEND, bnx_dump_driver_state(sc);
4631: bnx_dump_status_block(sc));
4632:
4633: printf("%s: Watchdog timeout occurred, resetting!\n",
4634: ifp->if_xname);
4635:
4636: /* DBRUN(BNX_FATAL, bnx_breakpoint(sc)); */
4637:
4638: bnx_init(sc);
4639:
4640: ifp->if_oerrors++;
4641: }
4642:
4643: /*
4644: * Interrupt handler.
4645: */
4646: /****************************************************************************/
4647: /* Main interrupt entry point. Verifies that the controller generated the */
4648: /* interrupt and then calls a separate routine for handle the various */
4649: /* interrupt causes (PHY, TX, RX). */
4650: /* */
4651: /* Returns: */
4652: /* 0 for success, positive value for failure. */
4653: /****************************************************************************/
4654: int
4655: bnx_intr(void *xsc)
4656: {
4657: struct bnx_softc *sc;
4658: struct ifnet *ifp;
4659: u_int32_t status_attn_bits;
4660:
4661: sc = xsc;
4662: if ((sc->bnx_flags & BNX_ACTIVE_FLAG) == 0)
4663: return (0);
4664:
4665: ifp = &sc->arpcom.ac_if;
4666:
4667: DBRUNIF(1, sc->interrupts_generated++);
4668:
4669: bus_dmamap_sync(sc->bnx_dmatag, sc->status_map, 0,
4670: sc->status_map->dm_mapsize, BUS_DMASYNC_POSTWRITE);
4671:
4672: /*
4673: * If the hardware status block index
4674: * matches the last value read by the
4675: * driver and we haven't asserted our
4676: * interrupt then there's nothing to do.
4677: */
4678: if ((sc->status_block->status_idx == sc->last_status_idx) &&
4679: (REG_RD(sc, BNX_PCICFG_MISC_STATUS) &
4680: BNX_PCICFG_MISC_STATUS_INTA_VALUE))
4681: return (0);
4682:
4683: /* Ack the interrupt and stop others from occuring. */
4684: REG_WR(sc, BNX_PCICFG_INT_ACK_CMD,
4685: BNX_PCICFG_INT_ACK_CMD_USE_INT_HC_PARAM |
4686: BNX_PCICFG_INT_ACK_CMD_MASK_INT);
4687:
4688: /* Keep processing data as long as there is work to do. */
4689: for (;;) {
4690: status_attn_bits = sc->status_block->status_attn_bits;
4691:
4692: DBRUNIF(DB_RANDOMTRUE(bnx_debug_unexpected_attention),
4693: printf("Simulating unexpected status attention bit set.");
4694: status_attn_bits = status_attn_bits |
4695: STATUS_ATTN_BITS_PARITY_ERROR);
4696:
4697: /* Was it a link change interrupt? */
4698: if ((status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) !=
4699: (sc->status_block->status_attn_bits_ack &
4700: STATUS_ATTN_BITS_LINK_STATE))
4701: bnx_phy_intr(sc);
4702:
4703: /* If any other attention is asserted then the chip is toast. */
4704: if (((status_attn_bits & ~STATUS_ATTN_BITS_LINK_STATE) !=
4705: (sc->status_block->status_attn_bits_ack &
4706: ~STATUS_ATTN_BITS_LINK_STATE))) {
4707: DBRUN(1, sc->unexpected_attentions++);
4708:
4709: BNX_PRINTF(sc, "Fatal attention detected: 0x%08X\n",
4710: sc->status_block->status_attn_bits);
4711:
4712: DBRUN(BNX_FATAL,
4713: if (bnx_debug_unexpected_attention == 0)
4714: bnx_breakpoint(sc));
4715:
4716: bnx_init(sc);
4717: return (1);
4718: }
4719:
4720: /* Check for any completed RX frames. */
4721: if (sc->status_block->status_rx_quick_consumer_index0 !=
4722: sc->hw_rx_cons)
4723: bnx_rx_intr(sc);
4724:
4725: /* Check for any completed TX frames. */
4726: if (sc->status_block->status_tx_quick_consumer_index0 !=
4727: sc->hw_tx_cons)
4728: bnx_tx_intr(sc);
4729:
4730: /* Save the status block index value for use during the
4731: * next interrupt.
4732: */
4733: sc->last_status_idx = sc->status_block->status_idx;
4734:
4735: /* Prevent speculative reads from getting ahead of the
4736: * status block.
4737: */
4738: bus_space_barrier(sc->bnx_btag, sc->bnx_bhandle, 0, 0,
4739: BUS_SPACE_BARRIER_READ);
4740:
4741: /* If there's no work left then exit the isr. */
4742: if ((sc->status_block->status_rx_quick_consumer_index0 ==
4743: sc->hw_rx_cons) &&
4744: (sc->status_block->status_tx_quick_consumer_index0 ==
4745: sc->hw_tx_cons))
4746: break;
4747: }
4748:
4749: bus_dmamap_sync(sc->bnx_dmatag, sc->status_map, 0,
4750: sc->status_map->dm_mapsize, BUS_DMASYNC_PREWRITE);
4751:
4752: /* Re-enable interrupts. */
4753: REG_WR(sc, BNX_PCICFG_INT_ACK_CMD,
4754: BNX_PCICFG_INT_ACK_CMD_INDEX_VALID | sc->last_status_idx |
4755: BNX_PCICFG_INT_ACK_CMD_MASK_INT);
4756: REG_WR(sc, BNX_PCICFG_INT_ACK_CMD,
4757: BNX_PCICFG_INT_ACK_CMD_INDEX_VALID | sc->last_status_idx);
4758:
4759: /* Handle any frames that arrived while handling the interrupt. */
4760: if (ifp->if_flags & IFF_RUNNING && !IFQ_IS_EMPTY(&ifp->if_snd))
4761: bnx_start(ifp);
4762:
4763: return (1);
4764: }
4765:
4766: /****************************************************************************/
4767: /* Programs the various packet receive modes (broadcast and multicast). */
4768: /* */
4769: /* Returns: */
4770: /* Nothing. */
4771: /****************************************************************************/
4772: void
4773: bnx_set_rx_mode(struct bnx_softc *sc)
4774: {
4775: struct arpcom *ac = &sc->arpcom;
4776: struct ifnet *ifp = &ac->ac_if;
4777: struct ether_multi *enm;
4778: struct ether_multistep step;
4779: u_int32_t hashes[NUM_MC_HASH_REGISTERS] = { 0, 0, 0, 0, 0, 0, 0, 0 };
4780: u_int32_t rx_mode, sort_mode;
4781: int h, i;
4782:
4783: /* Initialize receive mode default settings. */
4784: rx_mode = sc->rx_mode & ~(BNX_EMAC_RX_MODE_PROMISCUOUS |
4785: BNX_EMAC_RX_MODE_KEEP_VLAN_TAG);
4786: sort_mode = 1 | BNX_RPM_SORT_USER0_BC_EN;
4787:
4788: /*
4789: * ASF/IPMI/UMP firmware requires that VLAN tag stripping
4790: * be enbled.
4791: */
4792: if (!(sc->bnx_flags & BNX_MFW_ENABLE_FLAG))
4793: rx_mode |= BNX_EMAC_RX_MODE_KEEP_VLAN_TAG;
4794:
4795: /*
4796: * Check for promiscuous, all multicast, or selected
4797: * multicast address filtering.
4798: */
4799: if (ifp->if_flags & IFF_PROMISC) {
4800: DBPRINT(sc, BNX_INFO, "Enabling promiscuous mode.\n");
4801:
4802: /* Enable promiscuous mode. */
4803: rx_mode |= BNX_EMAC_RX_MODE_PROMISCUOUS;
4804: sort_mode |= BNX_RPM_SORT_USER0_PROM_EN;
4805: } else if (ifp->if_flags & IFF_ALLMULTI) {
4806: allmulti:
4807: DBPRINT(sc, BNX_INFO, "Enabling all multicast mode.\n");
4808:
4809: /* Enable all multicast addresses. */
4810: for (i = 0; i < NUM_MC_HASH_REGISTERS; i++)
4811: REG_WR(sc, BNX_EMAC_MULTICAST_HASH0 + (i * 4),
4812: 0xffffffff);
4813: sort_mode |= BNX_RPM_SORT_USER0_MC_EN;
4814: } else {
4815: /* Accept one or more multicast(s). */
4816: DBPRINT(sc, BNX_INFO, "Enabling selective multicast mode.\n");
4817:
4818: ETHER_FIRST_MULTI(step, ac, enm);
4819: while (enm != NULL) {
4820: if (bcmp(enm->enm_addrlo, enm->enm_addrhi,
4821: ETHER_ADDR_LEN)) {
4822: ifp->if_flags |= IFF_ALLMULTI;
4823: goto allmulti;
4824: }
4825: h = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) &
4826: 0xFF;
4827: hashes[(h & 0xE0) >> 5] |= 1 << (h & 0x1F);
4828: ETHER_NEXT_MULTI(step, enm);
4829: }
4830:
4831: for (i = 0; i < NUM_MC_HASH_REGISTERS; i++)
4832: REG_WR(sc, BNX_EMAC_MULTICAST_HASH0 + (i * 4),
4833: hashes[i]);
4834:
4835: sort_mode |= BNX_RPM_SORT_USER0_MC_HSH_EN;
4836: }
4837:
4838: /* Only make changes if the recive mode has actually changed. */
4839: if (rx_mode != sc->rx_mode) {
4840: DBPRINT(sc, BNX_VERBOSE, "Enabling new receive mode: 0x%08X\n",
4841: rx_mode);
4842:
4843: sc->rx_mode = rx_mode;
4844: REG_WR(sc, BNX_EMAC_RX_MODE, rx_mode);
4845: }
4846:
4847: /* Disable and clear the exisitng sort before enabling a new sort. */
4848: REG_WR(sc, BNX_RPM_SORT_USER0, 0x0);
4849: REG_WR(sc, BNX_RPM_SORT_USER0, sort_mode);
4850: REG_WR(sc, BNX_RPM_SORT_USER0, sort_mode | BNX_RPM_SORT_USER0_ENA);
4851: }
4852:
4853: /****************************************************************************/
4854: /* Called periodically to updates statistics from the controllers */
4855: /* statistics block. */
4856: /* */
4857: /* Returns: */
4858: /* Nothing. */
4859: /****************************************************************************/
4860: void
4861: bnx_stats_update(struct bnx_softc *sc)
4862: {
4863: struct ifnet *ifp = &sc->arpcom.ac_if;
4864: struct statistics_block *stats;
4865:
4866: DBPRINT(sc, BNX_EXCESSIVE, "Entering %s()\n", __FUNCTION__);
4867:
4868: stats = (struct statistics_block *)sc->stats_block;
4869:
4870: /*
4871: * Update the interface statistics from the
4872: * hardware statistics.
4873: */
4874: ifp->if_collisions = (u_long)stats->stat_EtherStatsCollisions;
4875:
4876: ifp->if_ierrors = (u_long)stats->stat_EtherStatsUndersizePkts +
4877: (u_long)stats->stat_EtherStatsOverrsizePkts +
4878: (u_long)stats->stat_IfInMBUFDiscards +
4879: (u_long)stats->stat_Dot3StatsAlignmentErrors +
4880: (u_long)stats->stat_Dot3StatsFCSErrors;
4881:
4882: ifp->if_oerrors = (u_long)
4883: stats->stat_emac_tx_stat_dot3statsinternalmactransmiterrors +
4884: (u_long)stats->stat_Dot3StatsExcessiveCollisions +
4885: (u_long)stats->stat_Dot3StatsLateCollisions;
4886:
4887: /*
4888: * Certain controllers don't report
4889: * carrier sense errors correctly.
4890: * See errata E11_5708CA0_1165.
4891: */
4892: if (!(BNX_CHIP_NUM(sc) == BNX_CHIP_NUM_5706) &&
4893: !(BNX_CHIP_ID(sc) == BNX_CHIP_ID_5708_A0))
4894: ifp->if_oerrors += (u_long) stats->stat_Dot3StatsCarrierSenseErrors;
4895:
4896: /*
4897: * Update the sysctl statistics from the
4898: * hardware statistics.
4899: */
4900: sc->stat_IfHCInOctets = ((u_int64_t)stats->stat_IfHCInOctets_hi << 32) +
4901: (u_int64_t) stats->stat_IfHCInOctets_lo;
4902:
4903: sc->stat_IfHCInBadOctets =
4904: ((u_int64_t) stats->stat_IfHCInBadOctets_hi << 32) +
4905: (u_int64_t) stats->stat_IfHCInBadOctets_lo;
4906:
4907: sc->stat_IfHCOutOctets =
4908: ((u_int64_t) stats->stat_IfHCOutOctets_hi << 32) +
4909: (u_int64_t) stats->stat_IfHCOutOctets_lo;
4910:
4911: sc->stat_IfHCOutBadOctets =
4912: ((u_int64_t) stats->stat_IfHCOutBadOctets_hi << 32) +
4913: (u_int64_t) stats->stat_IfHCOutBadOctets_lo;
4914:
4915: sc->stat_IfHCInUcastPkts =
4916: ((u_int64_t) stats->stat_IfHCInUcastPkts_hi << 32) +
4917: (u_int64_t) stats->stat_IfHCInUcastPkts_lo;
4918:
4919: sc->stat_IfHCInMulticastPkts =
4920: ((u_int64_t) stats->stat_IfHCInMulticastPkts_hi << 32) +
4921: (u_int64_t) stats->stat_IfHCInMulticastPkts_lo;
4922:
4923: sc->stat_IfHCInBroadcastPkts =
4924: ((u_int64_t) stats->stat_IfHCInBroadcastPkts_hi << 32) +
4925: (u_int64_t) stats->stat_IfHCInBroadcastPkts_lo;
4926:
4927: sc->stat_IfHCOutUcastPkts =
4928: ((u_int64_t) stats->stat_IfHCOutUcastPkts_hi << 32) +
4929: (u_int64_t) stats->stat_IfHCOutUcastPkts_lo;
4930:
4931: sc->stat_IfHCOutMulticastPkts =
4932: ((u_int64_t) stats->stat_IfHCOutMulticastPkts_hi << 32) +
4933: (u_int64_t) stats->stat_IfHCOutMulticastPkts_lo;
4934:
4935: sc->stat_IfHCOutBroadcastPkts =
4936: ((u_int64_t) stats->stat_IfHCOutBroadcastPkts_hi << 32) +
4937: (u_int64_t) stats->stat_IfHCOutBroadcastPkts_lo;
4938:
4939: sc->stat_emac_tx_stat_dot3statsinternalmactransmiterrors =
4940: stats->stat_emac_tx_stat_dot3statsinternalmactransmiterrors;
4941:
4942: sc->stat_Dot3StatsCarrierSenseErrors =
4943: stats->stat_Dot3StatsCarrierSenseErrors;
4944:
4945: sc->stat_Dot3StatsFCSErrors = stats->stat_Dot3StatsFCSErrors;
4946:
4947: sc->stat_Dot3StatsAlignmentErrors =
4948: stats->stat_Dot3StatsAlignmentErrors;
4949:
4950: sc->stat_Dot3StatsSingleCollisionFrames =
4951: stats->stat_Dot3StatsSingleCollisionFrames;
4952:
4953: sc->stat_Dot3StatsMultipleCollisionFrames =
4954: stats->stat_Dot3StatsMultipleCollisionFrames;
4955:
4956: sc->stat_Dot3StatsDeferredTransmissions =
4957: stats->stat_Dot3StatsDeferredTransmissions;
4958:
4959: sc->stat_Dot3StatsExcessiveCollisions =
4960: stats->stat_Dot3StatsExcessiveCollisions;
4961:
4962: sc->stat_Dot3StatsLateCollisions = stats->stat_Dot3StatsLateCollisions;
4963:
4964: sc->stat_EtherStatsCollisions = stats->stat_EtherStatsCollisions;
4965:
4966: sc->stat_EtherStatsFragments = stats->stat_EtherStatsFragments;
4967:
4968: sc->stat_EtherStatsJabbers = stats->stat_EtherStatsJabbers;
4969:
4970: sc->stat_EtherStatsUndersizePkts = stats->stat_EtherStatsUndersizePkts;
4971:
4972: sc->stat_EtherStatsOverrsizePkts = stats->stat_EtherStatsOverrsizePkts;
4973:
4974: sc->stat_EtherStatsPktsRx64Octets =
4975: stats->stat_EtherStatsPktsRx64Octets;
4976:
4977: sc->stat_EtherStatsPktsRx65Octetsto127Octets =
4978: stats->stat_EtherStatsPktsRx65Octetsto127Octets;
4979:
4980: sc->stat_EtherStatsPktsRx128Octetsto255Octets =
4981: stats->stat_EtherStatsPktsRx128Octetsto255Octets;
4982:
4983: sc->stat_EtherStatsPktsRx256Octetsto511Octets =
4984: stats->stat_EtherStatsPktsRx256Octetsto511Octets;
4985:
4986: sc->stat_EtherStatsPktsRx512Octetsto1023Octets =
4987: stats->stat_EtherStatsPktsRx512Octetsto1023Octets;
4988:
4989: sc->stat_EtherStatsPktsRx1024Octetsto1522Octets =
4990: stats->stat_EtherStatsPktsRx1024Octetsto1522Octets;
4991:
4992: sc->stat_EtherStatsPktsRx1523Octetsto9022Octets =
4993: stats->stat_EtherStatsPktsRx1523Octetsto9022Octets;
4994:
4995: sc->stat_EtherStatsPktsTx64Octets =
4996: stats->stat_EtherStatsPktsTx64Octets;
4997:
4998: sc->stat_EtherStatsPktsTx65Octetsto127Octets =
4999: stats->stat_EtherStatsPktsTx65Octetsto127Octets;
5000:
5001: sc->stat_EtherStatsPktsTx128Octetsto255Octets =
5002: stats->stat_EtherStatsPktsTx128Octetsto255Octets;
5003:
5004: sc->stat_EtherStatsPktsTx256Octetsto511Octets =
5005: stats->stat_EtherStatsPktsTx256Octetsto511Octets;
5006:
5007: sc->stat_EtherStatsPktsTx512Octetsto1023Octets =
5008: stats->stat_EtherStatsPktsTx512Octetsto1023Octets;
5009:
5010: sc->stat_EtherStatsPktsTx1024Octetsto1522Octets =
5011: stats->stat_EtherStatsPktsTx1024Octetsto1522Octets;
5012:
5013: sc->stat_EtherStatsPktsTx1523Octetsto9022Octets =
5014: stats->stat_EtherStatsPktsTx1523Octetsto9022Octets;
5015:
5016: sc->stat_XonPauseFramesReceived = stats->stat_XonPauseFramesReceived;
5017:
5018: sc->stat_XoffPauseFramesReceived = stats->stat_XoffPauseFramesReceived;
5019:
5020: sc->stat_OutXonSent = stats->stat_OutXonSent;
5021:
5022: sc->stat_OutXoffSent = stats->stat_OutXoffSent;
5023:
5024: sc->stat_FlowControlDone = stats->stat_FlowControlDone;
5025:
5026: sc->stat_MacControlFramesReceived =
5027: stats->stat_MacControlFramesReceived;
5028:
5029: sc->stat_XoffStateEntered = stats->stat_XoffStateEntered;
5030:
5031: sc->stat_IfInFramesL2FilterDiscards =
5032: stats->stat_IfInFramesL2FilterDiscards;
5033:
5034: sc->stat_IfInRuleCheckerDiscards = stats->stat_IfInRuleCheckerDiscards;
5035:
5036: sc->stat_IfInFTQDiscards = stats->stat_IfInFTQDiscards;
5037:
5038: sc->stat_IfInMBUFDiscards = stats->stat_IfInMBUFDiscards;
5039:
5040: sc->stat_IfInRuleCheckerP4Hit = stats->stat_IfInRuleCheckerP4Hit;
5041:
5042: sc->stat_CatchupInRuleCheckerDiscards =
5043: stats->stat_CatchupInRuleCheckerDiscards;
5044:
5045: sc->stat_CatchupInFTQDiscards = stats->stat_CatchupInFTQDiscards;
5046:
5047: sc->stat_CatchupInMBUFDiscards = stats->stat_CatchupInMBUFDiscards;
5048:
5049: sc->stat_CatchupInRuleCheckerP4Hit =
5050: stats->stat_CatchupInRuleCheckerP4Hit;
5051:
5052: DBPRINT(sc, BNX_EXCESSIVE, "Exiting %s()\n", __FUNCTION__);
5053: }
5054:
5055: void
5056: bnx_tick(void *xsc)
5057: {
5058: struct bnx_softc *sc = xsc;
5059: struct ifnet *ifp = &sc->arpcom.ac_if;
5060: struct mii_data *mii = NULL;
5061: u_int32_t msg;
5062:
5063: /* Tell the firmware that the driver is still running. */
5064: #ifdef BNX_DEBUG
5065: msg = (u_int32_t)BNX_DRV_MSG_DATA_PULSE_CODE_ALWAYS_ALIVE;
5066: #else
5067: msg = (u_int32_t)++sc->bnx_fw_drv_pulse_wr_seq;
5068: #endif
5069: REG_WR_IND(sc, sc->bnx_shmem_base + BNX_DRV_PULSE_MB, msg);
5070:
5071: /* Update the statistics from the hardware statistics block. */
5072: bnx_stats_update(sc);
5073:
5074: /* Schedule the next tick. */
5075: timeout_add(&sc->bnx_timeout, hz);
5076:
5077: /* If link is up already up then we're done. */
5078: if (sc->bnx_link)
5079: goto bnx_tick_exit;
5080:
5081: /* DRC - ToDo: Add SerDes support and check SerDes link here. */
5082:
5083: mii = &sc->bnx_mii;
5084: mii_tick(mii);
5085:
5086: /* Check if the link has come up. */
5087: if (!sc->bnx_link && mii->mii_media_status & IFM_ACTIVE &&
5088: IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
5089: sc->bnx_link++;
5090: /* Now that link is up, handle any outstanding TX traffic. */
5091: if (!IFQ_IS_EMPTY(&ifp->if_snd))
5092: bnx_start(ifp);
5093: }
5094:
5095: bnx_tick_exit:
5096: return;
5097: }
5098:
5099: /****************************************************************************/
5100: /* BNX Debug Routines */
5101: /****************************************************************************/
5102: #ifdef BNX_DEBUG
5103:
5104: /****************************************************************************/
5105: /* Prints out information about an mbuf. */
5106: /* */
5107: /* Returns: */
5108: /* Nothing. */
5109: /****************************************************************************/
5110: void
5111: bnx_dump_mbuf(struct bnx_softc *sc, struct mbuf *m)
5112: {
5113: struct mbuf *mp = m;
5114:
5115: if (m == NULL) {
5116: /* Index out of range. */
5117: printf("mbuf ptr is null!\n");
5118: return;
5119: }
5120:
5121: while (mp) {
5122: printf("mbuf: vaddr = %p, m_len = %d, m_flags = ",
5123: mp, mp->m_len);
5124:
5125: if (mp->m_flags & M_EXT)
5126: printf("M_EXT ");
5127: if (mp->m_flags & M_PKTHDR)
5128: printf("M_PKTHDR ");
5129: printf("\n");
5130:
5131: if (mp->m_flags & M_EXT)
5132: printf("- m_ext: vaddr = %p, ext_size = 0x%04X\n",
5133: mp, mp->m_ext.ext_size);
5134:
5135: mp = mp->m_next;
5136: }
5137: }
5138:
5139: /****************************************************************************/
5140: /* Prints out the mbufs in the TX mbuf chain. */
5141: /* */
5142: /* Returns: */
5143: /* Nothing. */
5144: /****************************************************************************/
5145: void
5146: bnx_dump_tx_mbuf_chain(struct bnx_softc *sc, int chain_prod, int count)
5147: {
5148: struct mbuf *m;
5149: int i;
5150:
5151: BNX_PRINTF(sc,
5152: "----------------------------"
5153: " tx mbuf data "
5154: "----------------------------\n");
5155:
5156: for (i = 0; i < count; i++) {
5157: m = sc->tx_mbuf_ptr[chain_prod];
5158: BNX_PRINTF(sc, "txmbuf[%d]\n", chain_prod);
5159: bnx_dump_mbuf(sc, m);
5160: chain_prod = TX_CHAIN_IDX(NEXT_TX_BD(chain_prod));
5161: }
5162:
5163: BNX_PRINTF(sc,
5164: "--------------------------------------------"
5165: "----------------------------\n");
5166: }
5167:
5168: /*
5169: * This routine prints the RX mbuf chain.
5170: */
5171: void
5172: bnx_dump_rx_mbuf_chain(struct bnx_softc *sc, int chain_prod, int count)
5173: {
5174: struct mbuf *m;
5175: int i;
5176:
5177: BNX_PRINTF(sc,
5178: "----------------------------"
5179: " rx mbuf data "
5180: "----------------------------\n");
5181:
5182: for (i = 0; i < count; i++) {
5183: m = sc->rx_mbuf_ptr[chain_prod];
5184: BNX_PRINTF(sc, "rxmbuf[0x%04X]\n", chain_prod);
5185: bnx_dump_mbuf(sc, m);
5186: chain_prod = RX_CHAIN_IDX(NEXT_RX_BD(chain_prod));
5187: }
5188:
5189:
5190: BNX_PRINTF(sc,
5191: "--------------------------------------------"
5192: "----------------------------\n");
5193: }
5194:
5195: void
5196: bnx_dump_txbd(struct bnx_softc *sc, int idx, struct tx_bd *txbd)
5197: {
5198: if (idx > MAX_TX_BD)
5199: /* Index out of range. */
5200: BNX_PRINTF(sc, "tx_bd[0x%04X]: Invalid tx_bd index!\n", idx);
5201: else if ((idx & USABLE_TX_BD_PER_PAGE) == USABLE_TX_BD_PER_PAGE)
5202: /* TX Chain page pointer. */
5203: BNX_PRINTF(sc, "tx_bd[0x%04X]: haddr = 0x%08X:%08X, chain "
5204: "page pointer\n", idx, txbd->tx_bd_haddr_hi,
5205: txbd->tx_bd_haddr_lo);
5206: else
5207: /* Normal tx_bd entry. */
5208: BNX_PRINTF(sc, "tx_bd[0x%04X]: haddr = 0x%08X:%08X, nbytes = "
5209: "0x%08X, vlan tag = 0x%4X, flags = 0x%08X\n", idx,
5210: txbd->tx_bd_haddr_hi, txbd->tx_bd_haddr_lo,
5211: txbd->tx_bd_mss_nbytes, txbd->tx_bd_vlan_tag,
5212: txbd->tx_bd_flags);
5213: }
5214:
5215: void
5216: bnx_dump_rxbd(struct bnx_softc *sc, int idx, struct rx_bd *rxbd)
5217: {
5218: if (idx > MAX_RX_BD)
5219: /* Index out of range. */
5220: BNX_PRINTF(sc, "rx_bd[0x%04X]: Invalid rx_bd index!\n", idx);
5221: else if ((idx & USABLE_RX_BD_PER_PAGE) == USABLE_RX_BD_PER_PAGE)
5222: /* TX Chain page pointer. */
5223: BNX_PRINTF(sc, "rx_bd[0x%04X]: haddr = 0x%08X:%08X, chain page "
5224: "pointer\n", idx, rxbd->rx_bd_haddr_hi,
5225: rxbd->rx_bd_haddr_lo);
5226: else
5227: /* Normal tx_bd entry. */
5228: BNX_PRINTF(sc, "rx_bd[0x%04X]: haddr = 0x%08X:%08X, nbytes = "
5229: "0x%08X, flags = 0x%08X\n", idx,
5230: rxbd->rx_bd_haddr_hi, rxbd->rx_bd_haddr_lo,
5231: rxbd->rx_bd_len, rxbd->rx_bd_flags);
5232: }
5233:
5234: void
5235: bnx_dump_l2fhdr(struct bnx_softc *sc, int idx, struct l2_fhdr *l2fhdr)
5236: {
5237: BNX_PRINTF(sc, "l2_fhdr[0x%04X]: status = 0x%08X, "
5238: "pkt_len = 0x%04X, vlan = 0x%04x, ip_xsum = 0x%04X, "
5239: "tcp_udp_xsum = 0x%04X\n", idx,
5240: l2fhdr->l2_fhdr_status, l2fhdr->l2_fhdr_pkt_len,
5241: l2fhdr->l2_fhdr_vlan_tag, l2fhdr->l2_fhdr_ip_xsum,
5242: l2fhdr->l2_fhdr_tcp_udp_xsum);
5243: }
5244:
5245: /*
5246: * This routine prints the TX chain.
5247: */
5248: void
5249: bnx_dump_tx_chain(struct bnx_softc *sc, int tx_prod, int count)
5250: {
5251: struct tx_bd *txbd;
5252: int i;
5253:
5254: /* First some info about the tx_bd chain structure. */
5255: BNX_PRINTF(sc,
5256: "----------------------------"
5257: " tx_bd chain "
5258: "----------------------------\n");
5259:
5260: BNX_PRINTF(sc,
5261: "page size = 0x%08X, tx chain pages = 0x%08X\n",
5262: (u_int32_t)BCM_PAGE_SIZE, (u_int32_t) TX_PAGES);
5263:
5264: BNX_PRINTF(sc,
5265: "tx_bd per page = 0x%08X, usable tx_bd per page = 0x%08X\n",
5266: (u_int32_t)TOTAL_TX_BD_PER_PAGE, (u_int32_t)USABLE_TX_BD_PER_PAGE);
5267:
5268: BNX_PRINTF(sc, "total tx_bd = 0x%08X\n", (u_int32_t)TOTAL_TX_BD);
5269:
5270: BNX_PRINTF(sc, ""
5271: "-----------------------------"
5272: " tx_bd data "
5273: "-----------------------------\n");
5274:
5275: /* Now print out the tx_bd's themselves. */
5276: for (i = 0; i < count; i++) {
5277: txbd = &sc->tx_bd_chain[TX_PAGE(tx_prod)][TX_IDX(tx_prod)];
5278: bnx_dump_txbd(sc, tx_prod, txbd);
5279: tx_prod = TX_CHAIN_IDX(NEXT_TX_BD(tx_prod));
5280: }
5281:
5282: BNX_PRINTF(sc,
5283: "-----------------------------"
5284: "--------------"
5285: "-----------------------------\n");
5286: }
5287:
5288: /*
5289: * This routine prints the RX chain.
5290: */
5291: void
5292: bnx_dump_rx_chain(struct bnx_softc *sc, int rx_prod, int count)
5293: {
5294: struct rx_bd *rxbd;
5295: int i;
5296:
5297: /* First some info about the tx_bd chain structure. */
5298: BNX_PRINTF(sc,
5299: "----------------------------"
5300: " rx_bd chain "
5301: "----------------------------\n");
5302:
5303: BNX_PRINTF(sc, "----- RX_BD Chain -----\n");
5304:
5305: BNX_PRINTF(sc,
5306: "page size = 0x%08X, rx chain pages = 0x%08X\n",
5307: (u_int32_t)BCM_PAGE_SIZE, (u_int32_t)RX_PAGES);
5308:
5309: BNX_PRINTF(sc,
5310: "rx_bd per page = 0x%08X, usable rx_bd per page = 0x%08X\n",
5311: (u_int32_t)TOTAL_RX_BD_PER_PAGE, (u_int32_t)USABLE_RX_BD_PER_PAGE);
5312:
5313: BNX_PRINTF(sc, "total rx_bd = 0x%08X\n", (u_int32_t)TOTAL_RX_BD);
5314:
5315: BNX_PRINTF(sc,
5316: "----------------------------"
5317: " rx_bd data "
5318: "----------------------------\n");
5319:
5320: /* Now print out the rx_bd's themselves. */
5321: for (i = 0; i < count; i++) {
5322: rxbd = &sc->rx_bd_chain[RX_PAGE(rx_prod)][RX_IDX(rx_prod)];
5323: bnx_dump_rxbd(sc, rx_prod, rxbd);
5324: rx_prod = RX_CHAIN_IDX(NEXT_RX_BD(rx_prod));
5325: }
5326:
5327: BNX_PRINTF(sc,
5328: "----------------------------"
5329: "--------------"
5330: "----------------------------\n");
5331: }
5332:
5333: /*
5334: * This routine prints the status block.
5335: */
5336: void
5337: bnx_dump_status_block(struct bnx_softc *sc)
5338: {
5339: struct status_block *sblk;
5340:
5341: sblk = sc->status_block;
5342:
5343: BNX_PRINTF(sc, "----------------------------- Status Block "
5344: "-----------------------------\n");
5345:
5346: BNX_PRINTF(sc,
5347: "attn_bits = 0x%08X, attn_bits_ack = 0x%08X, index = 0x%04X\n",
5348: sblk->status_attn_bits, sblk->status_attn_bits_ack,
5349: sblk->status_idx);
5350:
5351: BNX_PRINTF(sc, "rx_cons0 = 0x%08X, tx_cons0 = 0x%08X\n",
5352: sblk->status_rx_quick_consumer_index0,
5353: sblk->status_tx_quick_consumer_index0);
5354:
5355: BNX_PRINTF(sc, "status_idx = 0x%04X\n", sblk->status_idx);
5356:
5357: /* Theses indices are not used for normal L2 drivers. */
5358: if (sblk->status_rx_quick_consumer_index1 ||
5359: sblk->status_tx_quick_consumer_index1)
5360: BNX_PRINTF(sc, "rx_cons1 = 0x%08X, tx_cons1 = 0x%08X\n",
5361: sblk->status_rx_quick_consumer_index1,
5362: sblk->status_tx_quick_consumer_index1);
5363:
5364: if (sblk->status_rx_quick_consumer_index2 ||
5365: sblk->status_tx_quick_consumer_index2)
5366: BNX_PRINTF(sc, "rx_cons2 = 0x%08X, tx_cons2 = 0x%08X\n",
5367: sblk->status_rx_quick_consumer_index2,
5368: sblk->status_tx_quick_consumer_index2);
5369:
5370: if (sblk->status_rx_quick_consumer_index3 ||
5371: sblk->status_tx_quick_consumer_index3)
5372: BNX_PRINTF(sc, "rx_cons3 = 0x%08X, tx_cons3 = 0x%08X\n",
5373: sblk->status_rx_quick_consumer_index3,
5374: sblk->status_tx_quick_consumer_index3);
5375:
5376: if (sblk->status_rx_quick_consumer_index4 ||
5377: sblk->status_rx_quick_consumer_index5)
5378: BNX_PRINTF(sc, "rx_cons4 = 0x%08X, rx_cons5 = 0x%08X\n",
5379: sblk->status_rx_quick_consumer_index4,
5380: sblk->status_rx_quick_consumer_index5);
5381:
5382: if (sblk->status_rx_quick_consumer_index6 ||
5383: sblk->status_rx_quick_consumer_index7)
5384: BNX_PRINTF(sc, "rx_cons6 = 0x%08X, rx_cons7 = 0x%08X\n",
5385: sblk->status_rx_quick_consumer_index6,
5386: sblk->status_rx_quick_consumer_index7);
5387:
5388: if (sblk->status_rx_quick_consumer_index8 ||
5389: sblk->status_rx_quick_consumer_index9)
5390: BNX_PRINTF(sc, "rx_cons8 = 0x%08X, rx_cons9 = 0x%08X\n",
5391: sblk->status_rx_quick_consumer_index8,
5392: sblk->status_rx_quick_consumer_index9);
5393:
5394: if (sblk->status_rx_quick_consumer_index10 ||
5395: sblk->status_rx_quick_consumer_index11)
5396: BNX_PRINTF(sc, "rx_cons10 = 0x%08X, rx_cons11 = 0x%08X\n",
5397: sblk->status_rx_quick_consumer_index10,
5398: sblk->status_rx_quick_consumer_index11);
5399:
5400: if (sblk->status_rx_quick_consumer_index12 ||
5401: sblk->status_rx_quick_consumer_index13)
5402: BNX_PRINTF(sc, "rx_cons12 = 0x%08X, rx_cons13 = 0x%08X\n",
5403: sblk->status_rx_quick_consumer_index12,
5404: sblk->status_rx_quick_consumer_index13);
5405:
5406: if (sblk->status_rx_quick_consumer_index14 ||
5407: sblk->status_rx_quick_consumer_index15)
5408: BNX_PRINTF(sc, "rx_cons14 = 0x%08X, rx_cons15 = 0x%08X\n",
5409: sblk->status_rx_quick_consumer_index14,
5410: sblk->status_rx_quick_consumer_index15);
5411:
5412: if (sblk->status_completion_producer_index ||
5413: sblk->status_cmd_consumer_index)
5414: BNX_PRINTF(sc, "com_prod = 0x%08X, cmd_cons = 0x%08X\n",
5415: sblk->status_completion_producer_index,
5416: sblk->status_cmd_consumer_index);
5417:
5418: BNX_PRINTF(sc, "-------------------------------------------"
5419: "-----------------------------\n");
5420: }
5421:
5422: /*
5423: * This routine prints the statistics block.
5424: */
5425: void
5426: bnx_dump_stats_block(struct bnx_softc *sc)
5427: {
5428: struct statistics_block *sblk;
5429:
5430: sblk = sc->stats_block;
5431:
5432: BNX_PRINTF(sc, ""
5433: "-----------------------------"
5434: " Stats Block "
5435: "-----------------------------\n");
5436:
5437: BNX_PRINTF(sc, "IfHcInOctets = 0x%08X:%08X, "
5438: "IfHcInBadOctets = 0x%08X:%08X\n",
5439: sblk->stat_IfHCInOctets_hi, sblk->stat_IfHCInOctets_lo,
5440: sblk->stat_IfHCInBadOctets_hi, sblk->stat_IfHCInBadOctets_lo);
5441:
5442: BNX_PRINTF(sc, "IfHcOutOctets = 0x%08X:%08X, "
5443: "IfHcOutBadOctets = 0x%08X:%08X\n",
5444: sblk->stat_IfHCOutOctets_hi, sblk->stat_IfHCOutOctets_lo,
5445: sblk->stat_IfHCOutBadOctets_hi, sblk->stat_IfHCOutBadOctets_lo);
5446:
5447: BNX_PRINTF(sc, "IfHcInUcastPkts = 0x%08X:%08X, "
5448: "IfHcInMulticastPkts = 0x%08X:%08X\n",
5449: sblk->stat_IfHCInUcastPkts_hi, sblk->stat_IfHCInUcastPkts_lo,
5450: sblk->stat_IfHCInMulticastPkts_hi,
5451: sblk->stat_IfHCInMulticastPkts_lo);
5452:
5453: BNX_PRINTF(sc, "IfHcInBroadcastPkts = 0x%08X:%08X, "
5454: "IfHcOutUcastPkts = 0x%08X:%08X\n",
5455: sblk->stat_IfHCInBroadcastPkts_hi,
5456: sblk->stat_IfHCInBroadcastPkts_lo,
5457: sblk->stat_IfHCOutUcastPkts_hi,
5458: sblk->stat_IfHCOutUcastPkts_lo);
5459:
5460: BNX_PRINTF(sc, "IfHcOutMulticastPkts = 0x%08X:%08X, "
5461: "IfHcOutBroadcastPkts = 0x%08X:%08X\n",
5462: sblk->stat_IfHCOutMulticastPkts_hi,
5463: sblk->stat_IfHCOutMulticastPkts_lo,
5464: sblk->stat_IfHCOutBroadcastPkts_hi,
5465: sblk->stat_IfHCOutBroadcastPkts_lo);
5466:
5467: if (sblk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors)
5468: BNX_PRINTF(sc, "0x%08X : "
5469: "emac_tx_stat_dot3statsinternalmactransmiterrors\n",
5470: sblk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors);
5471:
5472: if (sblk->stat_Dot3StatsCarrierSenseErrors)
5473: BNX_PRINTF(sc, "0x%08X : Dot3StatsCarrierSenseErrors\n",
5474: sblk->stat_Dot3StatsCarrierSenseErrors);
5475:
5476: if (sblk->stat_Dot3StatsFCSErrors)
5477: BNX_PRINTF(sc, "0x%08X : Dot3StatsFCSErrors\n",
5478: sblk->stat_Dot3StatsFCSErrors);
5479:
5480: if (sblk->stat_Dot3StatsAlignmentErrors)
5481: BNX_PRINTF(sc, "0x%08X : Dot3StatsAlignmentErrors\n",
5482: sblk->stat_Dot3StatsAlignmentErrors);
5483:
5484: if (sblk->stat_Dot3StatsSingleCollisionFrames)
5485: BNX_PRINTF(sc, "0x%08X : Dot3StatsSingleCollisionFrames\n",
5486: sblk->stat_Dot3StatsSingleCollisionFrames);
5487:
5488: if (sblk->stat_Dot3StatsMultipleCollisionFrames)
5489: BNX_PRINTF(sc, "0x%08X : Dot3StatsMultipleCollisionFrames\n",
5490: sblk->stat_Dot3StatsMultipleCollisionFrames);
5491:
5492: if (sblk->stat_Dot3StatsDeferredTransmissions)
5493: BNX_PRINTF(sc, "0x%08X : Dot3StatsDeferredTransmissions\n",
5494: sblk->stat_Dot3StatsDeferredTransmissions);
5495:
5496: if (sblk->stat_Dot3StatsExcessiveCollisions)
5497: BNX_PRINTF(sc, "0x%08X : Dot3StatsExcessiveCollisions\n",
5498: sblk->stat_Dot3StatsExcessiveCollisions);
5499:
5500: if (sblk->stat_Dot3StatsLateCollisions)
5501: BNX_PRINTF(sc, "0x%08X : Dot3StatsLateCollisions\n",
5502: sblk->stat_Dot3StatsLateCollisions);
5503:
5504: if (sblk->stat_EtherStatsCollisions)
5505: BNX_PRINTF(sc, "0x%08X : EtherStatsCollisions\n",
5506: sblk->stat_EtherStatsCollisions);
5507:
5508: if (sblk->stat_EtherStatsFragments)
5509: BNX_PRINTF(sc, "0x%08X : EtherStatsFragments\n",
5510: sblk->stat_EtherStatsFragments);
5511:
5512: if (sblk->stat_EtherStatsJabbers)
5513: BNX_PRINTF(sc, "0x%08X : EtherStatsJabbers\n",
5514: sblk->stat_EtherStatsJabbers);
5515:
5516: if (sblk->stat_EtherStatsUndersizePkts)
5517: BNX_PRINTF(sc, "0x%08X : EtherStatsUndersizePkts\n",
5518: sblk->stat_EtherStatsUndersizePkts);
5519:
5520: if (sblk->stat_EtherStatsOverrsizePkts)
5521: BNX_PRINTF(sc, "0x%08X : EtherStatsOverrsizePkts\n",
5522: sblk->stat_EtherStatsOverrsizePkts);
5523:
5524: if (sblk->stat_EtherStatsPktsRx64Octets)
5525: BNX_PRINTF(sc, "0x%08X : EtherStatsPktsRx64Octets\n",
5526: sblk->stat_EtherStatsPktsRx64Octets);
5527:
5528: if (sblk->stat_EtherStatsPktsRx65Octetsto127Octets)
5529: BNX_PRINTF(sc, "0x%08X : EtherStatsPktsRx65Octetsto127Octets\n",
5530: sblk->stat_EtherStatsPktsRx65Octetsto127Octets);
5531:
5532: if (sblk->stat_EtherStatsPktsRx128Octetsto255Octets)
5533: BNX_PRINTF(sc, "0x%08X : "
5534: "EtherStatsPktsRx128Octetsto255Octets\n",
5535: sblk->stat_EtherStatsPktsRx128Octetsto255Octets);
5536:
5537: if (sblk->stat_EtherStatsPktsRx256Octetsto511Octets)
5538: BNX_PRINTF(sc, "0x%08X : "
5539: "EtherStatsPktsRx256Octetsto511Octets\n",
5540: sblk->stat_EtherStatsPktsRx256Octetsto511Octets);
5541:
5542: if (sblk->stat_EtherStatsPktsRx512Octetsto1023Octets)
5543: BNX_PRINTF(sc, "0x%08X : "
5544: "EtherStatsPktsRx512Octetsto1023Octets\n",
5545: sblk->stat_EtherStatsPktsRx512Octetsto1023Octets);
5546:
5547: if (sblk->stat_EtherStatsPktsRx1024Octetsto1522Octets)
5548: BNX_PRINTF(sc, "0x%08X : "
5549: "EtherStatsPktsRx1024Octetsto1522Octets\n",
5550: sblk->stat_EtherStatsPktsRx1024Octetsto1522Octets);
5551:
5552: if (sblk->stat_EtherStatsPktsRx1523Octetsto9022Octets)
5553: BNX_PRINTF(sc, "0x%08X : "
5554: "EtherStatsPktsRx1523Octetsto9022Octets\n",
5555: sblk->stat_EtherStatsPktsRx1523Octetsto9022Octets);
5556:
5557: if (sblk->stat_EtherStatsPktsTx64Octets)
5558: BNX_PRINTF(sc, "0x%08X : EtherStatsPktsTx64Octets\n",
5559: sblk->stat_EtherStatsPktsTx64Octets);
5560:
5561: if (sblk->stat_EtherStatsPktsTx65Octetsto127Octets)
5562: BNX_PRINTF(sc, "0x%08X : EtherStatsPktsTx65Octetsto127Octets\n",
5563: sblk->stat_EtherStatsPktsTx65Octetsto127Octets);
5564:
5565: if (sblk->stat_EtherStatsPktsTx128Octetsto255Octets)
5566: BNX_PRINTF(sc, "0x%08X : "
5567: "EtherStatsPktsTx128Octetsto255Octets\n",
5568: sblk->stat_EtherStatsPktsTx128Octetsto255Octets);
5569:
5570: if (sblk->stat_EtherStatsPktsTx256Octetsto511Octets)
5571: BNX_PRINTF(sc, "0x%08X : "
5572: "EtherStatsPktsTx256Octetsto511Octets\n",
5573: sblk->stat_EtherStatsPktsTx256Octetsto511Octets);
5574:
5575: if (sblk->stat_EtherStatsPktsTx512Octetsto1023Octets)
5576: BNX_PRINTF(sc, "0x%08X : "
5577: "EtherStatsPktsTx512Octetsto1023Octets\n",
5578: sblk->stat_EtherStatsPktsTx512Octetsto1023Octets);
5579:
5580: if (sblk->stat_EtherStatsPktsTx1024Octetsto1522Octets)
5581: BNX_PRINTF(sc, "0x%08X : "
5582: "EtherStatsPktsTx1024Octetsto1522Octets\n",
5583: sblk->stat_EtherStatsPktsTx1024Octetsto1522Octets);
5584:
5585: if (sblk->stat_EtherStatsPktsTx1523Octetsto9022Octets)
5586: BNX_PRINTF(sc, "0x%08X : "
5587: "EtherStatsPktsTx1523Octetsto9022Octets\n",
5588: sblk->stat_EtherStatsPktsTx1523Octetsto9022Octets);
5589:
5590: if (sblk->stat_XonPauseFramesReceived)
5591: BNX_PRINTF(sc, "0x%08X : XonPauseFramesReceived\n",
5592: sblk->stat_XonPauseFramesReceived);
5593:
5594: if (sblk->stat_XoffPauseFramesReceived)
5595: BNX_PRINTF(sc, "0x%08X : XoffPauseFramesReceived\n",
5596: sblk->stat_XoffPauseFramesReceived);
5597:
5598: if (sblk->stat_OutXonSent)
5599: BNX_PRINTF(sc, "0x%08X : OutXonSent\n",
5600: sblk->stat_OutXonSent);
5601:
5602: if (sblk->stat_OutXoffSent)
5603: BNX_PRINTF(sc, "0x%08X : OutXoffSent\n",
5604: sblk->stat_OutXoffSent);
5605:
5606: if (sblk->stat_FlowControlDone)
5607: BNX_PRINTF(sc, "0x%08X : FlowControlDone\n",
5608: sblk->stat_FlowControlDone);
5609:
5610: if (sblk->stat_MacControlFramesReceived)
5611: BNX_PRINTF(sc, "0x%08X : MacControlFramesReceived\n",
5612: sblk->stat_MacControlFramesReceived);
5613:
5614: if (sblk->stat_XoffStateEntered)
5615: BNX_PRINTF(sc, "0x%08X : XoffStateEntered\n",
5616: sblk->stat_XoffStateEntered);
5617:
5618: if (sblk->stat_IfInFramesL2FilterDiscards)
5619: BNX_PRINTF(sc, "0x%08X : IfInFramesL2FilterDiscards\n",
5620: sblk->stat_IfInFramesL2FilterDiscards);
5621:
5622: if (sblk->stat_IfInRuleCheckerDiscards)
5623: BNX_PRINTF(sc, "0x%08X : IfInRuleCheckerDiscards\n",
5624: sblk->stat_IfInRuleCheckerDiscards);
5625:
5626: if (sblk->stat_IfInFTQDiscards)
5627: BNX_PRINTF(sc, "0x%08X : IfInFTQDiscards\n",
5628: sblk->stat_IfInFTQDiscards);
5629:
5630: if (sblk->stat_IfInMBUFDiscards)
5631: BNX_PRINTF(sc, "0x%08X : IfInMBUFDiscards\n",
5632: sblk->stat_IfInMBUFDiscards);
5633:
5634: if (sblk->stat_IfInRuleCheckerP4Hit)
5635: BNX_PRINTF(sc, "0x%08X : IfInRuleCheckerP4Hit\n",
5636: sblk->stat_IfInRuleCheckerP4Hit);
5637:
5638: if (sblk->stat_CatchupInRuleCheckerDiscards)
5639: BNX_PRINTF(sc, "0x%08X : CatchupInRuleCheckerDiscards\n",
5640: sblk->stat_CatchupInRuleCheckerDiscards);
5641:
5642: if (sblk->stat_CatchupInFTQDiscards)
5643: BNX_PRINTF(sc, "0x%08X : CatchupInFTQDiscards\n",
5644: sblk->stat_CatchupInFTQDiscards);
5645:
5646: if (sblk->stat_CatchupInMBUFDiscards)
5647: BNX_PRINTF(sc, "0x%08X : CatchupInMBUFDiscards\n",
5648: sblk->stat_CatchupInMBUFDiscards);
5649:
5650: if (sblk->stat_CatchupInRuleCheckerP4Hit)
5651: BNX_PRINTF(sc, "0x%08X : CatchupInRuleCheckerP4Hit\n",
5652: sblk->stat_CatchupInRuleCheckerP4Hit);
5653:
5654: BNX_PRINTF(sc,
5655: "-----------------------------"
5656: "--------------"
5657: "-----------------------------\n");
5658: }
5659:
5660: void
5661: bnx_dump_driver_state(struct bnx_softc *sc)
5662: {
5663: BNX_PRINTF(sc,
5664: "-----------------------------"
5665: " Driver State "
5666: "-----------------------------\n");
5667:
5668: BNX_PRINTF(sc, "%p - (sc) driver softc structure virtual "
5669: "address\n", sc);
5670:
5671: BNX_PRINTF(sc, "%p - (sc->status_block) status block virtual address\n",
5672: sc->status_block);
5673:
5674: BNX_PRINTF(sc, "%p - (sc->stats_block) statistics block virtual "
5675: "address\n", sc->stats_block);
5676:
5677: BNX_PRINTF(sc, "%p - (sc->tx_bd_chain) tx_bd chain virtual "
5678: "adddress\n", sc->tx_bd_chain);
5679:
5680: BNX_PRINTF(sc, "%p - (sc->rx_bd_chain) rx_bd chain virtual address\n",
5681: sc->rx_bd_chain);
5682:
5683: BNX_PRINTF(sc, "%p - (sc->tx_mbuf_ptr) tx mbuf chain virtual address\n",
5684: sc->tx_mbuf_ptr);
5685:
5686: BNX_PRINTF(sc, "%p - (sc->rx_mbuf_ptr) rx mbuf chain virtual address\n",
5687: sc->rx_mbuf_ptr);
5688:
5689: BNX_PRINTF(sc,
5690: " 0x%08X - (sc->interrupts_generated) h/w intrs\n",
5691: sc->interrupts_generated);
5692:
5693: BNX_PRINTF(sc,
5694: " 0x%08X - (sc->rx_interrupts) rx interrupts handled\n",
5695: sc->rx_interrupts);
5696:
5697: BNX_PRINTF(sc,
5698: " 0x%08X - (sc->tx_interrupts) tx interrupts handled\n",
5699: sc->tx_interrupts);
5700:
5701: BNX_PRINTF(sc,
5702: " 0x%08X - (sc->last_status_idx) status block index\n",
5703: sc->last_status_idx);
5704:
5705: BNX_PRINTF(sc, " 0x%08X - (sc->tx_prod) tx producer index\n",
5706: sc->tx_prod);
5707:
5708: BNX_PRINTF(sc, " 0x%08X - (sc->tx_cons) tx consumer index\n",
5709: sc->tx_cons);
5710:
5711: BNX_PRINTF(sc,
5712: " 0x%08X - (sc->tx_prod_bseq) tx producer bseq index\n",
5713: sc->tx_prod_bseq);
5714:
5715: BNX_PRINTF(sc, " 0x%08X - (sc->rx_prod) rx producer index\n",
5716: sc->rx_prod);
5717:
5718: BNX_PRINTF(sc, " 0x%08X - (sc->rx_cons) rx consumer index\n",
5719: sc->rx_cons);
5720:
5721: BNX_PRINTF(sc,
5722: " 0x%08X - (sc->rx_prod_bseq) rx producer bseq index\n",
5723: sc->rx_prod_bseq);
5724:
5725: BNX_PRINTF(sc,
5726: " 0x%08X - (sc->rx_mbuf_alloc) rx mbufs allocated\n",
5727: sc->rx_mbuf_alloc);
5728:
5729: BNX_PRINTF(sc, " 0x%08X - (sc->free_rx_bd) free rx_bd's\n",
5730: sc->free_rx_bd);
5731:
5732: BNX_PRINTF(sc,
5733: "0x%08X/%08X - (sc->rx_low_watermark) rx low watermark\n",
5734: sc->rx_low_watermark, (u_int32_t) USABLE_RX_BD);
5735:
5736: BNX_PRINTF(sc,
5737: " 0x%08X - (sc->txmbuf_alloc) tx mbufs allocated\n",
5738: sc->tx_mbuf_alloc);
5739:
5740: BNX_PRINTF(sc,
5741: " 0x%08X - (sc->rx_mbuf_alloc) rx mbufs allocated\n",
5742: sc->rx_mbuf_alloc);
5743:
5744: BNX_PRINTF(sc, " 0x%08X - (sc->used_tx_bd) used tx_bd's\n",
5745: sc->used_tx_bd);
5746:
5747: BNX_PRINTF(sc, "0x%08X/%08X - (sc->tx_hi_watermark) tx hi watermark\n",
5748: sc->tx_hi_watermark, (u_int32_t) USABLE_TX_BD);
5749:
5750: BNX_PRINTF(sc,
5751: " 0x%08X - (sc->mbuf_alloc_failed) failed mbuf alloc\n",
5752: sc->mbuf_alloc_failed);
5753:
5754: BNX_PRINTF(sc, "-------------------------------------------"
5755: "-----------------------------\n");
5756: }
5757:
5758: void
5759: bnx_dump_hw_state(struct bnx_softc *sc)
5760: {
5761: u_int32_t val1;
5762: int i;
5763:
5764: BNX_PRINTF(sc,
5765: "----------------------------"
5766: " Hardware State "
5767: "----------------------------\n");
5768:
5769: BNX_PRINTF(sc, "0x%08X : bootcode version\n", sc->bnx_fw_ver);
5770:
5771: val1 = REG_RD(sc, BNX_MISC_ENABLE_STATUS_BITS);
5772: BNX_PRINTF(sc, "0x%08X : (0x%04X) misc_enable_status_bits\n",
5773: val1, BNX_MISC_ENABLE_STATUS_BITS);
5774:
5775: val1 = REG_RD(sc, BNX_DMA_STATUS);
5776: BNX_PRINTF(sc, "0x%08X : (0x%04X) dma_status\n", val1, BNX_DMA_STATUS);
5777:
5778: val1 = REG_RD(sc, BNX_CTX_STATUS);
5779: BNX_PRINTF(sc, "0x%08X : (0x%04X) ctx_status\n", val1, BNX_CTX_STATUS);
5780:
5781: val1 = REG_RD(sc, BNX_EMAC_STATUS);
5782: BNX_PRINTF(sc, "0x%08X : (0x%04X) emac_status\n", val1,
5783: BNX_EMAC_STATUS);
5784:
5785: val1 = REG_RD(sc, BNX_RPM_STATUS);
5786: BNX_PRINTF(sc, "0x%08X : (0x%04X) rpm_status\n", val1, BNX_RPM_STATUS);
5787:
5788: val1 = REG_RD(sc, BNX_TBDR_STATUS);
5789: BNX_PRINTF(sc, "0x%08X : (0x%04X) tbdr_status\n", val1,
5790: BNX_TBDR_STATUS);
5791:
5792: val1 = REG_RD(sc, BNX_TDMA_STATUS);
5793: BNX_PRINTF(sc, "0x%08X : (0x%04X) tdma_status\n", val1,
5794: BNX_TDMA_STATUS);
5795:
5796: val1 = REG_RD(sc, BNX_HC_STATUS);
5797: BNX_PRINTF(sc, "0x%08X : (0x%04X) hc_status\n", val1, BNX_HC_STATUS);
5798:
5799: BNX_PRINTF(sc,
5800: "----------------------------"
5801: "----------------"
5802: "----------------------------\n");
5803:
5804: BNX_PRINTF(sc,
5805: "----------------------------"
5806: " Register Dump "
5807: "----------------------------\n");
5808:
5809: for (i = 0x400; i < 0x8000; i += 0x10)
5810: BNX_PRINTF(sc, "0x%04X: 0x%08X 0x%08X 0x%08X 0x%08X\n",
5811: i, REG_RD(sc, i), REG_RD(sc, i + 0x4),
5812: REG_RD(sc, i + 0x8), REG_RD(sc, i + 0xC));
5813:
5814: BNX_PRINTF(sc,
5815: "----------------------------"
5816: "----------------"
5817: "----------------------------\n");
5818: }
5819:
5820: void
5821: bnx_breakpoint(struct bnx_softc *sc)
5822: {
5823: /* Unreachable code to shut the compiler up about unused functions. */
5824: if (0) {
5825: bnx_dump_txbd(sc, 0, NULL);
5826: bnx_dump_rxbd(sc, 0, NULL);
5827: bnx_dump_tx_mbuf_chain(sc, 0, USABLE_TX_BD);
5828: bnx_dump_rx_mbuf_chain(sc, 0, USABLE_RX_BD);
5829: bnx_dump_l2fhdr(sc, 0, NULL);
5830: bnx_dump_tx_chain(sc, 0, USABLE_TX_BD);
5831: bnx_dump_rx_chain(sc, 0, USABLE_RX_BD);
5832: bnx_dump_status_block(sc);
5833: bnx_dump_stats_block(sc);
5834: bnx_dump_driver_state(sc);
5835: bnx_dump_hw_state(sc);
5836: }
5837:
5838: bnx_dump_driver_state(sc);
5839: /* Print the important status block fields. */
5840: bnx_dump_status_block(sc);
5841:
5842: #if 0
5843: /* Call the debugger. */
5844: breakpoint();
5845: #endif
5846:
5847: return;
5848: }
5849: #endif
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