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if_nge.c (99004) if_nge.c (99497)
1/*
2 * Copyright (c) 2001 Wind River Systems
3 * Copyright (c) 1997, 1998, 1999, 2000, 2001
4 * Bill Paul <wpaul@bsdi.com>. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 16 unchanged lines hidden (view full) ---

25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 *
1/*
2 * Copyright (c) 2001 Wind River Systems
3 * Copyright (c) 1997, 1998, 1999, 2000, 2001
4 * Bill Paul <wpaul@bsdi.com>. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 16 unchanged lines hidden (view full) ---

25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 * $FreeBSD: head/sys/dev/nge/if_nge.c 99004 2002-06-29 01:36:59Z alfred $
33 * $FreeBSD: head/sys/dev/nge/if_nge.c 99497 2002-07-06 15:59:57Z alfred $
34 */
35
36/*
37 * National Semiconductor DP83820/DP83821 gigabit ethernet driver
38 * for FreeBSD. Datasheets are available from:
39 *
40 * http://www.national.com/ds/DP/DP83820.pdf
41 * http://www.national.com/ds/DP/DP83821.pdf

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127
128MODULE_DEPEND(nge, miibus, 1, 1, 1);
129
130/* "controller miibus0" required. See GENERIC if you get errors here. */
131#include "miibus_if.h"
132
133#ifndef lint
134static const char rcsid[] =
34 */
35
36/*
37 * National Semiconductor DP83820/DP83821 gigabit ethernet driver
38 * for FreeBSD. Datasheets are available from:
39 *
40 * http://www.national.com/ds/DP/DP83820.pdf
41 * http://www.national.com/ds/DP/DP83821.pdf

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127
128MODULE_DEPEND(nge, miibus, 1, 1, 1);
129
130/* "controller miibus0" required. See GENERIC if you get errors here. */
131#include "miibus_if.h"
132
133#ifndef lint
134static const char rcsid[] =
135 "$FreeBSD: head/sys/dev/nge/if_nge.c 99004 2002-06-29 01:36:59Z alfred $";
135 "$FreeBSD: head/sys/dev/nge/if_nge.c 99497 2002-07-06 15:59:57Z alfred $";
136#endif
137
138#define NGE_CSUM_FEATURES (CSUM_IP | CSUM_TCP | CSUM_UDP)
139
140/*
141 * Various supported device vendors/types and their names.
142 */
143static struct nge_type nge_devs[] = {
144 { NGE_VENDORID, NGE_DEVICEID,
145 "National Semiconductor Gigabit Ethernet" },
146 { 0, 0, NULL }
147};
148
136#endif
137
138#define NGE_CSUM_FEATURES (CSUM_IP | CSUM_TCP | CSUM_UDP)
139
140/*
141 * Various supported device vendors/types and their names.
142 */
143static struct nge_type nge_devs[] = {
144 { NGE_VENDORID, NGE_DEVICEID,
145 "National Semiconductor Gigabit Ethernet" },
146 { 0, 0, NULL }
147};
148
149static int nge_probe (device_t);
150static int nge_attach (device_t);
151static int nge_detach (device_t);
149static int nge_probe(device_t);
150static int nge_attach(device_t);
151static int nge_detach(device_t);
152
152
153static int nge_alloc_jumbo_mem (struct nge_softc *);
154static void nge_free_jumbo_mem (struct nge_softc *);
155static void *nge_jalloc (struct nge_softc *);
156static void nge_jfree (void *, void *);
153static int nge_alloc_jumbo_mem(struct nge_softc *);
154static void nge_free_jumbo_mem(struct nge_softc *);
155static void *nge_jalloc(struct nge_softc *);
156static void nge_jfree(void *, void *);
157
157
158static int nge_newbuf (struct nge_softc *,
159 struct nge_desc *, struct mbuf *);
160static int nge_encap (struct nge_softc *,
161 struct mbuf *, u_int32_t *);
162static void nge_rxeof (struct nge_softc *);
163static void nge_txeof (struct nge_softc *);
164static void nge_intr (void *);
165static void nge_tick (void *);
166static void nge_start (struct ifnet *);
167static int nge_ioctl (struct ifnet *, u_long, caddr_t);
168static void nge_init (void *);
169static void nge_stop (struct nge_softc *);
170static void nge_watchdog (struct ifnet *);
171static void nge_shutdown (device_t);
172static int nge_ifmedia_upd (struct ifnet *);
173static void nge_ifmedia_sts (struct ifnet *, struct ifmediareq *);
158static int nge_newbuf(struct nge_softc *, struct nge_desc *, struct mbuf *);
159static int nge_encap(struct nge_softc *, struct mbuf *, u_int32_t *);
160static void nge_rxeof(struct nge_softc *);
161static void nge_txeof(struct nge_softc *);
162static void nge_intr(void *);
163static void nge_tick(void *);
164static void nge_start(struct ifnet *);
165static int nge_ioctl(struct ifnet *, u_long, caddr_t);
166static void nge_init(void *);
167static void nge_stop(struct nge_softc *);
168static void nge_watchdog(struct ifnet *);
169static void nge_shutdown(device_t);
170static int nge_ifmedia_upd(struct ifnet *);
171static void nge_ifmedia_sts(struct ifnet *, struct ifmediareq *);
174
172
175static void nge_delay (struct nge_softc *);
176static void nge_eeprom_idle (struct nge_softc *);
177static void nge_eeprom_putbyte (struct nge_softc *, int);
178static void nge_eeprom_getword (struct nge_softc *, int, u_int16_t *);
179static void nge_read_eeprom (struct nge_softc *, caddr_t, int, int, int);
173static void nge_delay(struct nge_softc *);
174static void nge_eeprom_idle(struct nge_softc *);
175static void nge_eeprom_putbyte(struct nge_softc *, int);
176static void nge_eeprom_getword(struct nge_softc *, int, u_int16_t *);
177static void nge_read_eeprom(struct nge_softc *, caddr_t, int, int, int);
180
178
181static void nge_mii_sync (struct nge_softc *);
182static void nge_mii_send (struct nge_softc *, u_int32_t, int);
183static int nge_mii_readreg (struct nge_softc *, struct nge_mii_frame *);
184static int nge_mii_writereg (struct nge_softc *, struct nge_mii_frame *);
179static void nge_mii_sync(struct nge_softc *);
180static void nge_mii_send(struct nge_softc *, u_int32_t, int);
181static int nge_mii_readreg(struct nge_softc *, struct nge_mii_frame *);
182static int nge_mii_writereg(struct nge_softc *, struct nge_mii_frame *);
185
183
186static int nge_miibus_readreg (device_t, int, int);
187static int nge_miibus_writereg (device_t, int, int, int);
188static void nge_miibus_statchg (device_t);
184static int nge_miibus_readreg(device_t, int, int);
185static int nge_miibus_writereg(device_t, int, int, int);
186static void nge_miibus_statchg(device_t);
189
187
190static void nge_setmulti (struct nge_softc *);
191static u_int32_t nge_crc (struct nge_softc *, caddr_t);
192static void nge_reset (struct nge_softc *);
193static int nge_list_rx_init (struct nge_softc *);
194static int nge_list_tx_init (struct nge_softc *);
188static void nge_setmulti(struct nge_softc *);
189static u_int32_t nge_crc(struct nge_softc *, caddr_t);
190static void nge_reset(struct nge_softc *);
191static int nge_list_rx_init(struct nge_softc *);
192static int nge_list_tx_init(struct nge_softc *);
195
196#ifdef NGE_USEIOSPACE
197#define NGE_RES SYS_RES_IOPORT
198#define NGE_RID NGE_PCI_LOIO
199#else
200#define NGE_RES SYS_RES_MEMORY
201#define NGE_RID NGE_PCI_LOMEM
202#endif

--- 37 unchanged lines hidden (view full) ---

240 CSR_READ_4(sc, reg) & ~(x))
241
242#define SIO_SET(x) \
243 CSR_WRITE_4(sc, NGE_MEAR, CSR_READ_4(sc, NGE_MEAR) | x)
244
245#define SIO_CLR(x) \
246 CSR_WRITE_4(sc, NGE_MEAR, CSR_READ_4(sc, NGE_MEAR) & ~x)
247
193
194#ifdef NGE_USEIOSPACE
195#define NGE_RES SYS_RES_IOPORT
196#define NGE_RID NGE_PCI_LOIO
197#else
198#define NGE_RES SYS_RES_MEMORY
199#define NGE_RID NGE_PCI_LOMEM
200#endif

--- 37 unchanged lines hidden (view full) ---

238 CSR_READ_4(sc, reg) & ~(x))
239
240#define SIO_SET(x) \
241 CSR_WRITE_4(sc, NGE_MEAR, CSR_READ_4(sc, NGE_MEAR) | x)
242
243#define SIO_CLR(x) \
244 CSR_WRITE_4(sc, NGE_MEAR, CSR_READ_4(sc, NGE_MEAR) & ~x)
245
248static void nge_delay(sc)
246static void
247nge_delay(sc)
249 struct nge_softc *sc;
250{
251 int idx;
252
253 for (idx = (300 / 33) + 1; idx > 0; idx--)
254 CSR_READ_4(sc, NGE_CSR);
255
256 return;
257}
258
248 struct nge_softc *sc;
249{
250 int idx;
251
252 for (idx = (300 / 33) + 1; idx > 0; idx--)
253 CSR_READ_4(sc, NGE_CSR);
254
255 return;
256}
257
259static void nge_eeprom_idle(sc)
258static void
259nge_eeprom_idle(sc)
260 struct nge_softc *sc;
261{
262 register int i;
263
264 SIO_SET(NGE_MEAR_EE_CSEL);
265 nge_delay(sc);
266 SIO_SET(NGE_MEAR_EE_CLK);
267 nge_delay(sc);

--- 12 unchanged lines hidden (view full) ---

280 CSR_WRITE_4(sc, NGE_MEAR, 0x00000000);
281
282 return;
283}
284
285/*
286 * Send a read command and address to the EEPROM, check for ACK.
287 */
260 struct nge_softc *sc;
261{
262 register int i;
263
264 SIO_SET(NGE_MEAR_EE_CSEL);
265 nge_delay(sc);
266 SIO_SET(NGE_MEAR_EE_CLK);
267 nge_delay(sc);

--- 12 unchanged lines hidden (view full) ---

280 CSR_WRITE_4(sc, NGE_MEAR, 0x00000000);
281
282 return;
283}
284
285/*
286 * Send a read command and address to the EEPROM, check for ACK.
287 */
288static void nge_eeprom_putbyte(sc, addr)
288static void
289nge_eeprom_putbyte(sc, addr)
289 struct nge_softc *sc;
290 int addr;
291{
292 register int d, i;
293
294 d = addr | NGE_EECMD_READ;
295
296 /*

--- 13 unchanged lines hidden (view full) ---

310 }
311
312 return;
313}
314
315/*
316 * Read a word of data stored in the EEPROM at address 'addr.'
317 */
290 struct nge_softc *sc;
291 int addr;
292{
293 register int d, i;
294
295 d = addr | NGE_EECMD_READ;
296
297 /*

--- 13 unchanged lines hidden (view full) ---

311 }
312
313 return;
314}
315
316/*
317 * Read a word of data stored in the EEPROM at address 'addr.'
318 */
318static void nge_eeprom_getword(sc, addr, dest)
319static void
320nge_eeprom_getword(sc, addr, dest)
319 struct nge_softc *sc;
320 int addr;
321 u_int16_t *dest;
322{
323 register int i;
324 u_int16_t word = 0;
325
326 /* Force EEPROM to idle state. */

--- 30 unchanged lines hidden (view full) ---

357 *dest = word;
358
359 return;
360}
361
362/*
363 * Read a sequence of words from the EEPROM.
364 */
321 struct nge_softc *sc;
322 int addr;
323 u_int16_t *dest;
324{
325 register int i;
326 u_int16_t word = 0;
327
328 /* Force EEPROM to idle state. */

--- 30 unchanged lines hidden (view full) ---

359 *dest = word;
360
361 return;
362}
363
364/*
365 * Read a sequence of words from the EEPROM.
366 */
365static void nge_read_eeprom(sc, dest, off, cnt, swap)
367static void
368nge_read_eeprom(sc, dest, off, cnt, swap)
366 struct nge_softc *sc;
367 caddr_t dest;
368 int off;
369 int cnt;
370 int swap;
371{
372 int i;
373 u_int16_t word = 0, *ptr;

--- 8 unchanged lines hidden (view full) ---

382 }
383
384 return;
385}
386
387/*
388 * Sync the PHYs by setting data bit and strobing the clock 32 times.
389 */
369 struct nge_softc *sc;
370 caddr_t dest;
371 int off;
372 int cnt;
373 int swap;
374{
375 int i;
376 u_int16_t word = 0, *ptr;

--- 8 unchanged lines hidden (view full) ---

385 }
386
387 return;
388}
389
390/*
391 * Sync the PHYs by setting data bit and strobing the clock 32 times.
392 */
390static void nge_mii_sync(sc)
393static void
394nge_mii_sync(sc)
391 struct nge_softc *sc;
392{
393 register int i;
394
395 SIO_SET(NGE_MEAR_MII_DIR|NGE_MEAR_MII_DATA);
396
397 for (i = 0; i < 32; i++) {
398 SIO_SET(NGE_MEAR_MII_CLK);
399 DELAY(1);
400 SIO_CLR(NGE_MEAR_MII_CLK);
401 DELAY(1);
402 }
403
404 return;
405}
406
407/*
408 * Clock a series of bits through the MII.
409 */
395 struct nge_softc *sc;
396{
397 register int i;
398
399 SIO_SET(NGE_MEAR_MII_DIR|NGE_MEAR_MII_DATA);
400
401 for (i = 0; i < 32; i++) {
402 SIO_SET(NGE_MEAR_MII_CLK);
403 DELAY(1);
404 SIO_CLR(NGE_MEAR_MII_CLK);
405 DELAY(1);
406 }
407
408 return;
409}
410
411/*
412 * Clock a series of bits through the MII.
413 */
410static void nge_mii_send(sc, bits, cnt)
414static void
415nge_mii_send(sc, bits, cnt)
411 struct nge_softc *sc;
412 u_int32_t bits;
413 int cnt;
414{
415 int i;
416
417 SIO_CLR(NGE_MEAR_MII_CLK);
418

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427 DELAY(1);
428 SIO_SET(NGE_MEAR_MII_CLK);
429 }
430}
431
432/*
433 * Read an PHY register through the MII.
434 */
416 struct nge_softc *sc;
417 u_int32_t bits;
418 int cnt;
419{
420 int i;
421
422 SIO_CLR(NGE_MEAR_MII_CLK);
423

--- 8 unchanged lines hidden (view full) ---

432 DELAY(1);
433 SIO_SET(NGE_MEAR_MII_CLK);
434 }
435}
436
437/*
438 * Read an PHY register through the MII.
439 */
435static int nge_mii_readreg(sc, frame)
440static int
441nge_mii_readreg(sc, frame)
436 struct nge_softc *sc;
437 struct nge_mii_frame *frame;
438
439{
440 int i, ack, s;
441
442 s = splimp();
443

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519 if (ack)
520 return(1);
521 return(0);
522}
523
524/*
525 * Write to a PHY register through the MII.
526 */
442 struct nge_softc *sc;
443 struct nge_mii_frame *frame;
444
445{
446 int i, ack, s;
447
448 s = splimp();
449

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525 if (ack)
526 return(1);
527 return(0);
528}
529
530/*
531 * Write to a PHY register through the MII.
532 */
527static int nge_mii_writereg(sc, frame)
533static int
534nge_mii_writereg(sc, frame)
528 struct nge_softc *sc;
529 struct nge_mii_frame *frame;
530
531{
532 int s;
533
534 s = splimp();
535 /*

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565 */
566 SIO_CLR(NGE_MEAR_MII_DIR);
567
568 splx(s);
569
570 return(0);
571}
572
535 struct nge_softc *sc;
536 struct nge_mii_frame *frame;
537
538{
539 int s;
540
541 s = splimp();
542 /*

--- 29 unchanged lines hidden (view full) ---

572 */
573 SIO_CLR(NGE_MEAR_MII_DIR);
574
575 splx(s);
576
577 return(0);
578}
579
573static int nge_miibus_readreg(dev, phy, reg)
580static int
581nge_miibus_readreg(dev, phy, reg)
574 device_t dev;
575 int phy, reg;
576{
577 struct nge_softc *sc;
578 struct nge_mii_frame frame;
579
580 sc = device_get_softc(dev);
581
582 bzero((char *)&frame, sizeof(frame));
583
584 frame.mii_phyaddr = phy;
585 frame.mii_regaddr = reg;
586 nge_mii_readreg(sc, &frame);
587
588 return(frame.mii_data);
589}
590
582 device_t dev;
583 int phy, reg;
584{
585 struct nge_softc *sc;
586 struct nge_mii_frame frame;
587
588 sc = device_get_softc(dev);
589
590 bzero((char *)&frame, sizeof(frame));
591
592 frame.mii_phyaddr = phy;
593 frame.mii_regaddr = reg;
594 nge_mii_readreg(sc, &frame);
595
596 return(frame.mii_data);
597}
598
591static int nge_miibus_writereg(dev, phy, reg, data)
599static int
600nge_miibus_writereg(dev, phy, reg, data)
592 device_t dev;
593 int phy, reg, data;
594{
595 struct nge_softc *sc;
596 struct nge_mii_frame frame;
597
598 sc = device_get_softc(dev);
599
600 bzero((char *)&frame, sizeof(frame));
601
602 frame.mii_phyaddr = phy;
603 frame.mii_regaddr = reg;
604 frame.mii_data = data;
605 nge_mii_writereg(sc, &frame);
606
607 return(0);
608}
609
601 device_t dev;
602 int phy, reg, data;
603{
604 struct nge_softc *sc;
605 struct nge_mii_frame frame;
606
607 sc = device_get_softc(dev);
608
609 bzero((char *)&frame, sizeof(frame));
610
611 frame.mii_phyaddr = phy;
612 frame.mii_regaddr = reg;
613 frame.mii_data = data;
614 nge_mii_writereg(sc, &frame);
615
616 return(0);
617}
618
610static void nge_miibus_statchg(dev)
619static void
620nge_miibus_statchg(dev)
611 device_t dev;
612{
613 struct nge_softc *sc;
614 struct mii_data *mii;
615
616 sc = device_get_softc(dev);
617 mii = device_get_softc(sc->nge_miibus);
618

--- 13 unchanged lines hidden (view full) ---

632 NGE_SETBIT(sc, NGE_CFG, NGE_CFG_MODE_1000);
633 } else {
634 NGE_CLRBIT(sc, NGE_CFG, NGE_CFG_MODE_1000);
635 }
636
637 return;
638}
639
621 device_t dev;
622{
623 struct nge_softc *sc;
624 struct mii_data *mii;
625
626 sc = device_get_softc(dev);
627 mii = device_get_softc(sc->nge_miibus);
628

--- 13 unchanged lines hidden (view full) ---

642 NGE_SETBIT(sc, NGE_CFG, NGE_CFG_MODE_1000);
643 } else {
644 NGE_CLRBIT(sc, NGE_CFG, NGE_CFG_MODE_1000);
645 }
646
647 return;
648}
649
640static u_int32_t nge_crc(sc, addr)
650static u_int32_t
651nge_crc(sc, addr)
641 struct nge_softc *sc;
642 caddr_t addr;
643{
644 u_int32_t crc, carry;
645 int i, j;
646 u_int8_t c;
647
648 /* Compute CRC for the address value. */

--- 12 unchanged lines hidden (view full) ---

661
662 /*
663 * return the filter bit position
664 */
665
666 return((crc >> 21) & 0x00000FFF);
667}
668
652 struct nge_softc *sc;
653 caddr_t addr;
654{
655 u_int32_t crc, carry;
656 int i, j;
657 u_int8_t c;
658
659 /* Compute CRC for the address value. */

--- 12 unchanged lines hidden (view full) ---

672
673 /*
674 * return the filter bit position
675 */
676
677 return((crc >> 21) & 0x00000FFF);
678}
679
669static void nge_setmulti(sc)
680static void
681nge_setmulti(sc)
670 struct nge_softc *sc;
671{
672 struct ifnet *ifp;
673 struct ifmultiaddr *ifma;
674 u_int32_t h = 0, i, filtsave;
675 int bit, index;
676
677 ifp = &sc->arpcom.ac_if;

--- 40 unchanged lines hidden (view full) ---

718 NGE_SETBIT(sc, NGE_RXFILT_DATA, (1 << bit));
719 }
720
721 CSR_WRITE_4(sc, NGE_RXFILT_CTL, filtsave);
722
723 return;
724}
725
682 struct nge_softc *sc;
683{
684 struct ifnet *ifp;
685 struct ifmultiaddr *ifma;
686 u_int32_t h = 0, i, filtsave;
687 int bit, index;
688
689 ifp = &sc->arpcom.ac_if;

--- 40 unchanged lines hidden (view full) ---

730 NGE_SETBIT(sc, NGE_RXFILT_DATA, (1 << bit));
731 }
732
733 CSR_WRITE_4(sc, NGE_RXFILT_CTL, filtsave);
734
735 return;
736}
737
726static void nge_reset(sc)
738static void
739nge_reset(sc)
727 struct nge_softc *sc;
728{
729 register int i;
730
731 NGE_SETBIT(sc, NGE_CSR, NGE_CSR_RESET);
732
733 for (i = 0; i < NGE_TIMEOUT; i++) {
734 if (!(CSR_READ_4(sc, NGE_CSR) & NGE_CSR_RESET))

--- 15 unchanged lines hidden (view full) ---

750
751 return;
752}
753
754/*
755 * Probe for an NatSemi chip. Check the PCI vendor and device
756 * IDs against our list and return a device name if we find a match.
757 */
740 struct nge_softc *sc;
741{
742 register int i;
743
744 NGE_SETBIT(sc, NGE_CSR, NGE_CSR_RESET);
745
746 for (i = 0; i < NGE_TIMEOUT; i++) {
747 if (!(CSR_READ_4(sc, NGE_CSR) & NGE_CSR_RESET))

--- 15 unchanged lines hidden (view full) ---

763
764 return;
765}
766
767/*
768 * Probe for an NatSemi chip. Check the PCI vendor and device
769 * IDs against our list and return a device name if we find a match.
770 */
758static int nge_probe(dev)
771static int
772nge_probe(dev)
759 device_t dev;
760{
761 struct nge_type *t;
762
763 t = nge_devs;
764
765 while(t->nge_name != NULL) {
766 if ((pci_get_vendor(dev) == t->nge_vid) &&

--- 6 unchanged lines hidden (view full) ---

773
774 return(ENXIO);
775}
776
777/*
778 * Attach the interface. Allocate softc structures, do ifmedia
779 * setup and ethernet/BPF attach.
780 */
773 device_t dev;
774{
775 struct nge_type *t;
776
777 t = nge_devs;
778
779 while(t->nge_name != NULL) {
780 if ((pci_get_vendor(dev) == t->nge_vid) &&

--- 6 unchanged lines hidden (view full) ---

787
788 return(ENXIO);
789}
790
791/*
792 * Attach the interface. Allocate softc structures, do ifmedia
793 * setup and ethernet/BPF attach.
794 */
781static int nge_attach(dev)
795static int
796nge_attach(dev)
782 device_t dev;
783{
784 int s;
785 u_char eaddr[ETHER_ADDR_LEN];
786 u_int32_t command;
787 struct nge_softc *sc;
788 struct ifnet *ifp;
789 int unit, error = 0, rid;

--- 169 unchanged lines hidden (view full) ---

959 callout_handle_init(&sc->nge_stat_ch);
960
961fail:
962 splx(s);
963 mtx_destroy(&sc->nge_mtx);
964 return(error);
965}
966
797 device_t dev;
798{
799 int s;
800 u_char eaddr[ETHER_ADDR_LEN];
801 u_int32_t command;
802 struct nge_softc *sc;
803 struct ifnet *ifp;
804 int unit, error = 0, rid;

--- 169 unchanged lines hidden (view full) ---

974 callout_handle_init(&sc->nge_stat_ch);
975
976fail:
977 splx(s);
978 mtx_destroy(&sc->nge_mtx);
979 return(error);
980}
981
967static int nge_detach(dev)
982static int
983nge_detach(dev)
968 device_t dev;
969{
970 struct nge_softc *sc;
971 struct ifnet *ifp;
972 int s;
973
974 s = splimp();
975

--- 18 unchanged lines hidden (view full) ---

994 mtx_destroy(&sc->nge_mtx);
995
996 return(0);
997}
998
999/*
1000 * Initialize the transmit descriptors.
1001 */
984 device_t dev;
985{
986 struct nge_softc *sc;
987 struct ifnet *ifp;
988 int s;
989
990 s = splimp();
991

--- 18 unchanged lines hidden (view full) ---

1010 mtx_destroy(&sc->nge_mtx);
1011
1012 return(0);
1013}
1014
1015/*
1016 * Initialize the transmit descriptors.
1017 */
1002static int nge_list_tx_init(sc)
1018static int
1019nge_list_tx_init(sc)
1003 struct nge_softc *sc;
1004{
1005 struct nge_list_data *ld;
1006 struct nge_ring_data *cd;
1007 int i;
1008
1009 cd = &sc->nge_cdata;
1010 ld = sc->nge_ldata;

--- 21 unchanged lines hidden (view full) ---

1032}
1033
1034
1035/*
1036 * Initialize the RX descriptors and allocate mbufs for them. Note that
1037 * we arrange the descriptors in a closed ring, so that the last descriptor
1038 * points back to the first.
1039 */
1020 struct nge_softc *sc;
1021{
1022 struct nge_list_data *ld;
1023 struct nge_ring_data *cd;
1024 int i;
1025
1026 cd = &sc->nge_cdata;
1027 ld = sc->nge_ldata;

--- 21 unchanged lines hidden (view full) ---

1049}
1050
1051
1052/*
1053 * Initialize the RX descriptors and allocate mbufs for them. Note that
1054 * we arrange the descriptors in a closed ring, so that the last descriptor
1055 * points back to the first.
1056 */
1040static int nge_list_rx_init(sc)
1057static int
1058nge_list_rx_init(sc)
1041 struct nge_softc *sc;
1042{
1043 struct nge_list_data *ld;
1044 struct nge_ring_data *cd;
1045 int i;
1046
1047 ld = sc->nge_ldata;
1048 cd = &sc->nge_cdata;

--- 17 unchanged lines hidden (view full) ---

1066 cd->nge_rx_prod = 0;
1067
1068 return(0);
1069}
1070
1071/*
1072 * Initialize an RX descriptor and attach an MBUF cluster.
1073 */
1059 struct nge_softc *sc;
1060{
1061 struct nge_list_data *ld;
1062 struct nge_ring_data *cd;
1063 int i;
1064
1065 ld = sc->nge_ldata;
1066 cd = &sc->nge_cdata;

--- 17 unchanged lines hidden (view full) ---

1084 cd->nge_rx_prod = 0;
1085
1086 return(0);
1087}
1088
1089/*
1090 * Initialize an RX descriptor and attach an MBUF cluster.
1091 */
1074static int nge_newbuf(sc, c, m)
1092static int
1093nge_newbuf(sc, c, m)
1075 struct nge_softc *sc;
1076 struct nge_desc *c;
1077 struct mbuf *m;
1078{
1079 struct mbuf *m_new = NULL;
1080 caddr_t *buf = NULL;
1081
1082 if (m == NULL) {

--- 30 unchanged lines hidden (view full) ---

1113 c->nge_mbuf = m_new;
1114 c->nge_ptr = vtophys(mtod(m_new, caddr_t));
1115 c->nge_ctl = m_new->m_len;
1116 c->nge_extsts = 0;
1117
1118 return(0);
1119}
1120
1094 struct nge_softc *sc;
1095 struct nge_desc *c;
1096 struct mbuf *m;
1097{
1098 struct mbuf *m_new = NULL;
1099 caddr_t *buf = NULL;
1100
1101 if (m == NULL) {

--- 30 unchanged lines hidden (view full) ---

1132 c->nge_mbuf = m_new;
1133 c->nge_ptr = vtophys(mtod(m_new, caddr_t));
1134 c->nge_ctl = m_new->m_len;
1135 c->nge_extsts = 0;
1136
1137 return(0);
1138}
1139
1121static int nge_alloc_jumbo_mem(sc)
1140static int
1141nge_alloc_jumbo_mem(sc)
1122 struct nge_softc *sc;
1123{
1124 caddr_t ptr;
1125 register int i;
1126 struct nge_jpool_entry *entry;
1127
1128 /* Grab a big chunk o' storage. */
1129 sc->nge_cdata.nge_jumbo_buf = contigmalloc(NGE_JMEM, M_DEVBUF,

--- 25 unchanged lines hidden (view full) ---

1155 entry->slot = i;
1156 SLIST_INSERT_HEAD(&sc->nge_jfree_listhead,
1157 entry, jpool_entries);
1158 }
1159
1160 return(0);
1161}
1162
1142 struct nge_softc *sc;
1143{
1144 caddr_t ptr;
1145 register int i;
1146 struct nge_jpool_entry *entry;
1147
1148 /* Grab a big chunk o' storage. */
1149 sc->nge_cdata.nge_jumbo_buf = contigmalloc(NGE_JMEM, M_DEVBUF,

--- 25 unchanged lines hidden (view full) ---

1175 entry->slot = i;
1176 SLIST_INSERT_HEAD(&sc->nge_jfree_listhead,
1177 entry, jpool_entries);
1178 }
1179
1180 return(0);
1181}
1182
1163static void nge_free_jumbo_mem(sc)
1183static void
1184nge_free_jumbo_mem(sc)
1164 struct nge_softc *sc;
1165{
1166 register int i;
1167 struct nge_jpool_entry *entry;
1168
1169 for (i = 0; i < NGE_JSLOTS; i++) {
1170 entry = SLIST_FIRST(&sc->nge_jfree_listhead);
1171 SLIST_REMOVE_HEAD(&sc->nge_jfree_listhead, jpool_entries);
1172 free(entry, M_DEVBUF);
1173 }
1174
1175 contigfree(sc->nge_cdata.nge_jumbo_buf, NGE_JMEM, M_DEVBUF);
1176
1177 return;
1178}
1179
1180/*
1181 * Allocate a jumbo buffer.
1182 */
1185 struct nge_softc *sc;
1186{
1187 register int i;
1188 struct nge_jpool_entry *entry;
1189
1190 for (i = 0; i < NGE_JSLOTS; i++) {
1191 entry = SLIST_FIRST(&sc->nge_jfree_listhead);
1192 SLIST_REMOVE_HEAD(&sc->nge_jfree_listhead, jpool_entries);
1193 free(entry, M_DEVBUF);
1194 }
1195
1196 contigfree(sc->nge_cdata.nge_jumbo_buf, NGE_JMEM, M_DEVBUF);
1197
1198 return;
1199}
1200
1201/*
1202 * Allocate a jumbo buffer.
1203 */
1183static void *nge_jalloc(sc)
1204static void *
1205nge_jalloc(sc)
1184 struct nge_softc *sc;
1185{
1186 struct nge_jpool_entry *entry;
1187
1188 entry = SLIST_FIRST(&sc->nge_jfree_listhead);
1189
1190 if (entry == NULL) {
1191#ifdef NGE_VERBOSE

--- 5 unchanged lines hidden (view full) ---

1197 SLIST_REMOVE_HEAD(&sc->nge_jfree_listhead, jpool_entries);
1198 SLIST_INSERT_HEAD(&sc->nge_jinuse_listhead, entry, jpool_entries);
1199 return(sc->nge_cdata.nge_jslots[entry->slot]);
1200}
1201
1202/*
1203 * Release a jumbo buffer.
1204 */
1206 struct nge_softc *sc;
1207{
1208 struct nge_jpool_entry *entry;
1209
1210 entry = SLIST_FIRST(&sc->nge_jfree_listhead);
1211
1212 if (entry == NULL) {
1213#ifdef NGE_VERBOSE

--- 5 unchanged lines hidden (view full) ---

1219 SLIST_REMOVE_HEAD(&sc->nge_jfree_listhead, jpool_entries);
1220 SLIST_INSERT_HEAD(&sc->nge_jinuse_listhead, entry, jpool_entries);
1221 return(sc->nge_cdata.nge_jslots[entry->slot]);
1222}
1223
1224/*
1225 * Release a jumbo buffer.
1226 */
1205static void nge_jfree(buf, args)
1227static void
1228nge_jfree(buf, args)
1206 void *buf;
1207 void *args;
1208{
1209 struct nge_softc *sc;
1210 int i;
1211 struct nge_jpool_entry *entry;
1212
1213 /* Extract the softc struct pointer. */

--- 17 unchanged lines hidden (view full) ---

1231 SLIST_INSERT_HEAD(&sc->nge_jfree_listhead, entry, jpool_entries);
1232
1233 return;
1234}
1235/*
1236 * A frame has been uploaded: pass the resulting mbuf chain up to
1237 * the higher level protocols.
1238 */
1229 void *buf;
1230 void *args;
1231{
1232 struct nge_softc *sc;
1233 int i;
1234 struct nge_jpool_entry *entry;
1235
1236 /* Extract the softc struct pointer. */

--- 17 unchanged lines hidden (view full) ---

1254 SLIST_INSERT_HEAD(&sc->nge_jfree_listhead, entry, jpool_entries);
1255
1256 return;
1257}
1258/*
1259 * A frame has been uploaded: pass the resulting mbuf chain up to
1260 * the higher level protocols.
1261 */
1239static void nge_rxeof(sc)
1262static void
1263nge_rxeof(sc)
1240 struct nge_softc *sc;
1241{
1242 struct ether_header *eh;
1243 struct mbuf *m;
1244 struct ifnet *ifp;
1245 struct nge_desc *cur_rx;
1246 int i, total_len = 0;
1247 u_int32_t rxstat;

--- 97 unchanged lines hidden (view full) ---

1345 return;
1346}
1347
1348/*
1349 * A frame was downloaded to the chip. It's safe for us to clean up
1350 * the list buffers.
1351 */
1352
1264 struct nge_softc *sc;
1265{
1266 struct ether_header *eh;
1267 struct mbuf *m;
1268 struct ifnet *ifp;
1269 struct nge_desc *cur_rx;
1270 int i, total_len = 0;
1271 u_int32_t rxstat;

--- 97 unchanged lines hidden (view full) ---

1369 return;
1370}
1371
1372/*
1373 * A frame was downloaded to the chip. It's safe for us to clean up
1374 * the list buffers.
1375 */
1376
1353static void nge_txeof(sc)
1377static void
1378nge_txeof(sc)
1354 struct nge_softc *sc;
1355{
1356 struct nge_desc *cur_tx = NULL;
1357 struct ifnet *ifp;
1358 u_int32_t idx;
1359
1360 ifp = &sc->arpcom.ac_if;
1361

--- 42 unchanged lines hidden (view full) ---

1404 sc->nge_cdata.nge_tx_cons = idx;
1405
1406 if (cur_tx != NULL)
1407 ifp->if_flags &= ~IFF_OACTIVE;
1408
1409 return;
1410}
1411
1379 struct nge_softc *sc;
1380{
1381 struct nge_desc *cur_tx = NULL;
1382 struct ifnet *ifp;
1383 u_int32_t idx;
1384
1385 ifp = &sc->arpcom.ac_if;
1386

--- 42 unchanged lines hidden (view full) ---

1429 sc->nge_cdata.nge_tx_cons = idx;
1430
1431 if (cur_tx != NULL)
1432 ifp->if_flags &= ~IFF_OACTIVE;
1433
1434 return;
1435}
1436
1412static void nge_tick(xsc)
1437static void
1438nge_tick(xsc)
1413 void *xsc;
1414{
1415 struct nge_softc *sc;
1416 struct mii_data *mii;
1417 struct ifnet *ifp;
1418 int s;
1419
1420 s = splimp();

--- 17 unchanged lines hidden (view full) ---

1438 }
1439 sc->nge_stat_ch = timeout(nge_tick, sc, hz);
1440
1441 splx(s);
1442
1443 return;
1444}
1445
1439 void *xsc;
1440{
1441 struct nge_softc *sc;
1442 struct mii_data *mii;
1443 struct ifnet *ifp;
1444 int s;
1445
1446 s = splimp();

--- 17 unchanged lines hidden (view full) ---

1464 }
1465 sc->nge_stat_ch = timeout(nge_tick, sc, hz);
1466
1467 splx(s);
1468
1469 return;
1470}
1471
1446static void nge_intr(arg)
1472static void
1473nge_intr(arg)
1447 void *arg;
1448{
1449 struct nge_softc *sc;
1450 struct ifnet *ifp;
1451 u_int32_t status;
1452
1453 sc = arg;
1454 ifp = &sc->arpcom.ac_if;

--- 58 unchanged lines hidden (view full) ---

1513
1514 return;
1515}
1516
1517/*
1518 * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data
1519 * pointers to the fragment pointers.
1520 */
1474 void *arg;
1475{
1476 struct nge_softc *sc;
1477 struct ifnet *ifp;
1478 u_int32_t status;
1479
1480 sc = arg;
1481 ifp = &sc->arpcom.ac_if;

--- 58 unchanged lines hidden (view full) ---

1540
1541 return;
1542}
1543
1544/*
1545 * Encapsulate an mbuf chain in a descriptor by coupling the mbuf data
1546 * pointers to the fragment pointers.
1547 */
1521static int nge_encap(sc, m_head, txidx)
1548static int
1549nge_encap(sc, m_head, txidx)
1522 struct nge_softc *sc;
1523 struct mbuf *m_head;
1524 u_int32_t *txidx;
1525{
1526 struct nge_desc *f = NULL;
1527 struct mbuf *m;
1528 int frag, cur, cnt = 0;
1529 struct ifvlan *ifv = NULL;

--- 59 unchanged lines hidden (view full) ---

1589
1590/*
1591 * Main transmit routine. To avoid having to do mbuf copies, we put pointers
1592 * to the mbuf data regions directly in the transmit lists. We also save a
1593 * copy of the pointers since the transmit list fragment pointers are
1594 * physical addresses.
1595 */
1596
1550 struct nge_softc *sc;
1551 struct mbuf *m_head;
1552 u_int32_t *txidx;
1553{
1554 struct nge_desc *f = NULL;
1555 struct mbuf *m;
1556 int frag, cur, cnt = 0;
1557 struct ifvlan *ifv = NULL;

--- 59 unchanged lines hidden (view full) ---

1617
1618/*
1619 * Main transmit routine. To avoid having to do mbuf copies, we put pointers
1620 * to the mbuf data regions directly in the transmit lists. We also save a
1621 * copy of the pointers since the transmit list fragment pointers are
1622 * physical addresses.
1623 */
1624
1597static void nge_start(ifp)
1625static void
1626nge_start(ifp)
1598 struct ifnet *ifp;
1599{
1600 struct nge_softc *sc;
1601 struct mbuf *m_head = NULL;
1602 u_int32_t idx;
1603
1604 sc = ifp->if_softc;
1605

--- 32 unchanged lines hidden (view full) ---

1638 /*
1639 * Set a timeout in case the chip goes out to lunch.
1640 */
1641 ifp->if_timer = 5;
1642
1643 return;
1644}
1645
1627 struct ifnet *ifp;
1628{
1629 struct nge_softc *sc;
1630 struct mbuf *m_head = NULL;
1631 u_int32_t idx;
1632
1633 sc = ifp->if_softc;
1634

--- 32 unchanged lines hidden (view full) ---

1667 /*
1668 * Set a timeout in case the chip goes out to lunch.
1669 */
1670 ifp->if_timer = 5;
1671
1672 return;
1673}
1674
1646static void nge_init(xsc)
1675static void
1676nge_init(xsc)
1647 void *xsc;
1648{
1649 struct nge_softc *sc = xsc;
1650 struct ifnet *ifp = &sc->arpcom.ac_if;
1651 struct mii_data *mii;
1652 int s;
1653
1654 if (ifp->if_flags & IFF_RUNNING)

--- 152 unchanged lines hidden (view full) ---

1807 (void)splx(s);
1808
1809 return;
1810}
1811
1812/*
1813 * Set media options.
1814 */
1677 void *xsc;
1678{
1679 struct nge_softc *sc = xsc;
1680 struct ifnet *ifp = &sc->arpcom.ac_if;
1681 struct mii_data *mii;
1682 int s;
1683
1684 if (ifp->if_flags & IFF_RUNNING)

--- 152 unchanged lines hidden (view full) ---

1837 (void)splx(s);
1838
1839 return;
1840}
1841
1842/*
1843 * Set media options.
1844 */
1815static int nge_ifmedia_upd(ifp)
1845static int
1846nge_ifmedia_upd(ifp)
1816 struct ifnet *ifp;
1817{
1818 struct nge_softc *sc;
1819 struct mii_data *mii;
1820
1821 sc = ifp->if_softc;
1822
1823 mii = device_get_softc(sc->nge_miibus);

--- 7 unchanged lines hidden (view full) ---

1831 mii_mediachg(mii);
1832
1833 return(0);
1834}
1835
1836/*
1837 * Report current media status.
1838 */
1847 struct ifnet *ifp;
1848{
1849 struct nge_softc *sc;
1850 struct mii_data *mii;
1851
1852 sc = ifp->if_softc;
1853
1854 mii = device_get_softc(sc->nge_miibus);

--- 7 unchanged lines hidden (view full) ---

1862 mii_mediachg(mii);
1863
1864 return(0);
1865}
1866
1867/*
1868 * Report current media status.
1869 */
1839static void nge_ifmedia_sts(ifp, ifmr)
1870static void
1871nge_ifmedia_sts(ifp, ifmr)
1840 struct ifnet *ifp;
1841 struct ifmediareq *ifmr;
1842{
1843 struct nge_softc *sc;
1844 struct mii_data *mii;
1845
1846 sc = ifp->if_softc;
1847
1848 mii = device_get_softc(sc->nge_miibus);
1849 mii_pollstat(mii);
1850 ifmr->ifm_active = mii->mii_media_active;
1851 ifmr->ifm_status = mii->mii_media_status;
1852
1853 return;
1854}
1855
1872 struct ifnet *ifp;
1873 struct ifmediareq *ifmr;
1874{
1875 struct nge_softc *sc;
1876 struct mii_data *mii;
1877
1878 sc = ifp->if_softc;
1879
1880 mii = device_get_softc(sc->nge_miibus);
1881 mii_pollstat(mii);
1882 ifmr->ifm_active = mii->mii_media_active;
1883 ifmr->ifm_status = mii->mii_media_status;
1884
1885 return;
1886}
1887
1856static int nge_ioctl(ifp, command, data)
1888static int
1889nge_ioctl(ifp, command, data)
1857 struct ifnet *ifp;
1858 u_long command;
1859 caddr_t data;
1860{
1861 struct nge_softc *sc = ifp->if_softc;
1862 struct ifreq *ifr = (struct ifreq *) data;
1863 struct mii_data *mii;
1864 int s, error = 0;

--- 63 unchanged lines hidden (view full) ---

1928 break;
1929 }
1930
1931 (void)splx(s);
1932
1933 return(error);
1934}
1935
1890 struct ifnet *ifp;
1891 u_long command;
1892 caddr_t data;
1893{
1894 struct nge_softc *sc = ifp->if_softc;
1895 struct ifreq *ifr = (struct ifreq *) data;
1896 struct mii_data *mii;
1897 int s, error = 0;

--- 63 unchanged lines hidden (view full) ---

1961 break;
1962 }
1963
1964 (void)splx(s);
1965
1966 return(error);
1967}
1968
1936static void nge_watchdog(ifp)
1969static void
1970nge_watchdog(ifp)
1937 struct ifnet *ifp;
1938{
1939 struct nge_softc *sc;
1940
1941 sc = ifp->if_softc;
1942
1943 ifp->if_oerrors++;
1944 printf("nge%d: watchdog timeout\n", sc->nge_unit);

--- 8 unchanged lines hidden (view full) ---

1953
1954 return;
1955}
1956
1957/*
1958 * Stop the adapter and free any mbufs allocated to the
1959 * RX and TX lists.
1960 */
1971 struct ifnet *ifp;
1972{
1973 struct nge_softc *sc;
1974
1975 sc = ifp->if_softc;
1976
1977 ifp->if_oerrors++;
1978 printf("nge%d: watchdog timeout\n", sc->nge_unit);

--- 8 unchanged lines hidden (view full) ---

1987
1988 return;
1989}
1990
1991/*
1992 * Stop the adapter and free any mbufs allocated to the
1993 * RX and TX lists.
1994 */
1961static void nge_stop(sc)
1995static void
1996nge_stop(sc)
1962 struct nge_softc *sc;
1963{
1964 register int i;
1965 struct ifnet *ifp;
1966 struct mii_data *mii;
1967
1968 ifp = &sc->arpcom.ac_if;
1969 ifp->if_timer = 0;

--- 40 unchanged lines hidden (view full) ---

2010
2011 return;
2012}
2013
2014/*
2015 * Stop all chip I/O so that the kernel's probe routines don't
2016 * get confused by errant DMAs when rebooting.
2017 */
1997 struct nge_softc *sc;
1998{
1999 register int i;
2000 struct ifnet *ifp;
2001 struct mii_data *mii;
2002
2003 ifp = &sc->arpcom.ac_if;
2004 ifp->if_timer = 0;

--- 40 unchanged lines hidden (view full) ---

2045
2046 return;
2047}
2048
2049/*
2050 * Stop all chip I/O so that the kernel's probe routines don't
2051 * get confused by errant DMAs when rebooting.
2052 */
2018static void nge_shutdown(dev)
2053static void
2054nge_shutdown(dev)
2019 device_t dev;
2020{
2021 struct nge_softc *sc;
2022
2023 sc = device_get_softc(dev);
2024
2025 nge_reset(sc);
2026 nge_stop(sc);
2027
2028 return;
2029}
2055 device_t dev;
2056{
2057 struct nge_softc *sc;
2058
2059 sc = device_get_softc(dev);
2060
2061 nge_reset(sc);
2062 nge_stop(sc);
2063
2064 return;
2065}