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if_ste.c (129878) if_ste.c (130270)
1/*
2 * Copyright (c) 1997, 1998, 1999
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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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#include <sys/cdefs.h>
1/*
2 * Copyright (c) 1997, 1998, 1999
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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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#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: head/sys/pci/if_ste.c 129878 2004-05-30 20:00:41Z phk $");
34__FBSDID("$FreeBSD: head/sys/pci/if_ste.c 130270 2004-06-09 14:34:04Z naddy $");
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/sockio.h>
39#include <sys/mbuf.h>
40#include <sys/malloc.h>
41#include <sys/kernel.h>
42#include <sys/module.h>

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117static int ste_mii_writereg (struct ste_softc *, struct ste_mii_frame *);
118static int ste_miibus_readreg (device_t, int, int);
119static int ste_miibus_writereg (device_t, int, int, int);
120static void ste_miibus_statchg (device_t);
121
122static int ste_eeprom_wait (struct ste_softc *);
123static int ste_read_eeprom (struct ste_softc *, caddr_t, int, int, int);
124static void ste_wait (struct ste_softc *);
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/sockio.h>
39#include <sys/mbuf.h>
40#include <sys/malloc.h>
41#include <sys/kernel.h>
42#include <sys/module.h>

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117static int ste_mii_writereg (struct ste_softc *, struct ste_mii_frame *);
118static int ste_miibus_readreg (device_t, int, int);
119static int ste_miibus_writereg (device_t, int, int, int);
120static void ste_miibus_statchg (device_t);
121
122static int ste_eeprom_wait (struct ste_softc *);
123static int ste_read_eeprom (struct ste_softc *, caddr_t, int, int, int);
124static void ste_wait (struct ste_softc *);
125static u_int8_t ste_calchash (caddr_t);
126static void ste_setmulti (struct ste_softc *);
127static int ste_init_rx_list (struct ste_softc *);
128static void ste_init_tx_list (struct ste_softc *);
129
130#ifdef STE_USEIOSPACE
131#define STE_RES SYS_RES_IOPORT
132#define STE_RID STE_PCI_LOIO
133#else

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555 *ptr = ntohs(word);
556 else
557 *ptr = word;
558 }
559
560 return(err ? 1 : 0);
561}
562
125static void ste_setmulti (struct ste_softc *);
126static int ste_init_rx_list (struct ste_softc *);
127static void ste_init_tx_list (struct ste_softc *);
128
129#ifdef STE_USEIOSPACE
130#define STE_RES SYS_RES_IOPORT
131#define STE_RID STE_PCI_LOIO
132#else

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554 *ptr = ntohs(word);
555 else
556 *ptr = word;
557 }
558
559 return(err ? 1 : 0);
560}
561
563static u_int8_t
564ste_calchash(addr)
565 caddr_t addr;
566{
567
568 u_int32_t crc, carry;
569 int i, j;
570 u_int8_t c;
571
572 /* Compute CRC for the address value. */
573 crc = 0xFFFFFFFF; /* initial value */
574
575 for (i = 0; i < 6; i++) {
576 c = *(addr + i);
577 for (j = 0; j < 8; j++) {
578 carry = ((crc & 0x80000000) ? 1 : 0) ^ (c & 0x01);
579 crc <<= 1;
580 c >>= 1;
581 if (carry)
582 crc = (crc ^ 0x04c11db6) | carry;
583 }
584 }
585
586 /* return the filter bit position */
587 return(crc & 0x0000003F);
588}
589
590static void
591ste_setmulti(sc)
592 struct ste_softc *sc;
593{
594 struct ifnet *ifp;
595 int h = 0;
596 u_int32_t hashes[2] = { 0, 0 };
597 struct ifmultiaddr *ifma;

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608 CSR_WRITE_2(sc, STE_MAR1, 0);
609 CSR_WRITE_2(sc, STE_MAR2, 0);
610 CSR_WRITE_2(sc, STE_MAR3, 0);
611
612 /* now program new ones */
613 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
614 if (ifma->ifma_addr->sa_family != AF_LINK)
615 continue;
562static void
563ste_setmulti(sc)
564 struct ste_softc *sc;
565{
566 struct ifnet *ifp;
567 int h = 0;
568 u_int32_t hashes[2] = { 0, 0 };
569 struct ifmultiaddr *ifma;

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580 CSR_WRITE_2(sc, STE_MAR1, 0);
581 CSR_WRITE_2(sc, STE_MAR2, 0);
582 CSR_WRITE_2(sc, STE_MAR3, 0);
583
584 /* now program new ones */
585 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
586 if (ifma->ifma_addr->sa_family != AF_LINK)
587 continue;
616 h = ste_calchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr));
588 h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
589 ifma->ifma_addr), ETHER_ADDR_LEN) & 0x3F;
617 if (h < 32)
618 hashes[0] |= (1 << h);
619 else
620 hashes[1] |= (1 << (h - 32));
621 }
622
623 CSR_WRITE_2(sc, STE_MAR0, hashes[0] & 0xFFFF);
624 CSR_WRITE_2(sc, STE_MAR1, (hashes[0] >> 16) & 0xFFFF);

--- 1119 unchanged lines hidden --- 		590 if (h < 32)
591 hashes[0] |= (1 << h);
592 else
593 hashes[1] |= (1 << (h - 32));
594 }
595
596 CSR_WRITE_2(sc, STE_MAR0, hashes[0] & 0xFFFF);
597 CSR_WRITE_2(sc, STE_MAR1, (hashes[0] >> 16) & 0xFFFF);

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