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if_tl.c (158471) if_tl.c (162315)
1/*-
2 * Copyright (c) 1997, 1998
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
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_tl.c 158471 2006-05-12 05:04:46Z jhb $");
34__FBSDID("$FreeBSD: head/sys/pci/if_tl.c 162315 2006-09-15 10:40:54Z glebius $");
35
36/*
37 * Texas Instruments ThunderLAN driver for FreeBSD 2.2.6 and 3.x.
38 * Supports many Compaq PCI NICs based on the ThunderLAN ethernet controller,
39 * the National Semiconductor DP83840A physical interface and the
40 * Microchip Technology 24Cxx series serial EEPROM.
41 *
42 * Written using the following four documents:

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521 */
522static u_int8_t tl_eeprom_getbyte(sc, addr, dest)
523 struct tl_softc *sc;
524 int addr;
525 u_int8_t *dest;
526{
527 register int i;
528 u_int8_t byte = 0;
35
36/*
37 * Texas Instruments ThunderLAN driver for FreeBSD 2.2.6 and 3.x.
38 * Supports many Compaq PCI NICs based on the ThunderLAN ethernet controller,
39 * the National Semiconductor DP83840A physical interface and the
40 * Microchip Technology 24Cxx series serial EEPROM.
41 *
42 * Written using the following four documents:

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521 */
522static u_int8_t tl_eeprom_getbyte(sc, addr, dest)
523 struct tl_softc *sc;
524 int addr;
525 u_int8_t *dest;
526{
527 register int i;
528 u_int8_t byte = 0;
529 struct ifnet *ifp = sc->tl_ifp;
529 device_t tl_dev = sc->tl_dev;
530
531 tl_dio_write8(sc, TL_NETSIO, 0);
532
533 EEPROM_START;
534
535 /*
536 * Send write control code to EEPROM.
537 */
538 if (tl_eeprom_putbyte(sc, EEPROM_CTL_WRITE)) {
530
531 tl_dio_write8(sc, TL_NETSIO, 0);
532
533 EEPROM_START;
534
535 /*
536 * Send write control code to EEPROM.
537 */
538 if (tl_eeprom_putbyte(sc, EEPROM_CTL_WRITE)) {
539 if_printf(ifp, "failed to send write command, status: %x\n",
539 device_printf(tl_dev, "failed to send write command, status: %x\n",
540 tl_dio_read8(sc, TL_NETSIO));
541 return(1);
542 }
543
544 /*
545 * Send address of byte we want to read.
546 */
547 if (tl_eeprom_putbyte(sc, addr)) {
540 tl_dio_read8(sc, TL_NETSIO));
541 return(1);
542 }
543
544 /*
545 * Send address of byte we want to read.
546 */
547 if (tl_eeprom_putbyte(sc, addr)) {
548 if_printf(ifp, "failed to send address, status: %x\n",
548 device_printf(tl_dev, "failed to send address, status: %x\n",
549 tl_dio_read8(sc, TL_NETSIO));
550 return(1);
551 }
552
553 EEPROM_STOP;
554 EEPROM_START;
555 /*
556 * Send read control code to EEPROM.
557 */
558 if (tl_eeprom_putbyte(sc, EEPROM_CTL_READ)) {
549 tl_dio_read8(sc, TL_NETSIO));
550 return(1);
551 }
552
553 EEPROM_STOP;
554 EEPROM_START;
555 /*
556 * Send read control code to EEPROM.
557 */
558 if (tl_eeprom_putbyte(sc, EEPROM_CTL_READ)) {
559 if_printf(ifp, "failed to send write command, status: %x\n",
559 device_printf(tl_dev, "failed to send write command, status: %x\n",
560 tl_dio_read8(sc, TL_NETSIO));
561 return(1);
562 }
563
564 /*
565 * Start reading bits from EEPROM.
566 */
567 tl_dio_clrbit(sc, TL_NETSIO, TL_SIO_ETXEN);

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1110 struct ifnet *ifp;
1111 struct tl_softc *sc;
1112 int unit, error = 0, rid;
1113 u_char eaddr[6];
1114
1115 vid = pci_get_vendor(dev);
1116 did = pci_get_device(dev);
1117 sc = device_get_softc(dev);
560 tl_dio_read8(sc, TL_NETSIO));
561 return(1);
562 }
563
564 /*
565 * Start reading bits from EEPROM.
566 */
567 tl_dio_clrbit(sc, TL_NETSIO, TL_SIO_ETXEN);

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1110 struct ifnet *ifp;
1111 struct tl_softc *sc;
1112 int unit, error = 0, rid;
1113 u_char eaddr[6];
1114
1115 vid = pci_get_vendor(dev);
1116 did = pci_get_device(dev);
1117 sc = device_get_softc(dev);
1118 sc->tl_dev = dev;
1118 unit = device_get_unit(dev);
1119
1120 t = tl_devs;
1121 while(t->tl_name != NULL) {
1122 if (vid == t->tl_vid && did == t->tl_did)
1123 break;
1124 t++;
1125 }

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

1664 void *xsc;
1665 u_int32_t type;
1666{
1667 struct tl_softc *sc;
1668
1669 sc = xsc;
1670
1671 if (type)
1119 unit = device_get_unit(dev);
1120
1121 t = tl_devs;
1122 while(t->tl_name != NULL) {
1123 if (vid == t->tl_vid && did == t->tl_did)
1124 break;
1125 t++;
1126 }

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

1665 void *xsc;
1666 u_int32_t type;
1667{
1668 struct tl_softc *sc;
1669
1670 sc = xsc;
1671
1672 if (type)
1672 if_printf(sc->tl_ifp, "adapter check: %x\n",
1673 device_printf(sc->tl_dev, "adapter check: %x\n",
1673 (unsigned int)CSR_READ_4(sc, TL_CH_PARM));
1674
1675 tl_softreset(sc, 1);
1676 tl_stop(sc);
1677 tl_init_locked(sc);
1678 CMD_SET(sc, TL_CMD_INTSON);
1679
1680 return(0);

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1688 struct tl_softc *sc;
1689 u_int16_t netsts;
1690
1691 sc = xsc;
1692
1693 netsts = tl_dio_read16(sc, TL_NETSTS);
1694 tl_dio_write16(sc, TL_NETSTS, netsts);
1695
1674 (unsigned int)CSR_READ_4(sc, TL_CH_PARM));
1675
1676 tl_softreset(sc, 1);
1677 tl_stop(sc);
1678 tl_init_locked(sc);
1679 CMD_SET(sc, TL_CMD_INTSON);
1680
1681 return(0);

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1689 struct tl_softc *sc;
1690 u_int16_t netsts;
1691
1692 sc = xsc;
1693
1694 netsts = tl_dio_read16(sc, TL_NETSTS);
1695 tl_dio_write16(sc, TL_NETSTS, netsts);
1696
1696 if_printf(sc->tl_ifp, "network status: %x\n", netsts);
1697 device_printf(sc->tl_dev, "network status: %x\n", netsts);
1697
1698 return(1);
1699}
1700
1701static void
1702tl_intr(xsc)
1703 void *xsc;
1704{

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1719 ivec = (ints & TL_VEC_MASK) >> 5;
1720 ints = (ints & TL_INT_MASK) >> 2;
1721
1722 ifp = sc->tl_ifp;
1723
1724 switch(ints) {
1725 case (TL_INTR_INVALID):
1726#ifdef DIAGNOSTIC
1698
1699 return(1);
1700}
1701
1702static void
1703tl_intr(xsc)
1704 void *xsc;
1705{

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1720 ivec = (ints & TL_VEC_MASK) >> 5;
1721 ints = (ints & TL_INT_MASK) >> 2;
1722
1723 ifp = sc->tl_ifp;
1724
1725 switch(ints) {
1726 case (TL_INTR_INVALID):
1727#ifdef DIAGNOSTIC
1727 if_printf(ifp, "got an invalid interrupt!\n");
1728 device_printf(sc->tl_dev, "got an invalid interrupt!\n");
1728#endif
1729 /* Re-enable interrupts but don't ack this one. */
1730 CMD_PUT(sc, type);
1731 r = 0;
1732 break;
1733 case (TL_INTR_TXEOF):
1734 r = tl_intvec_txeof((void *)sc, type);
1735 break;
1736 case (TL_INTR_TXEOC):
1737 r = tl_intvec_txeoc((void *)sc, type);
1738 break;
1739 case (TL_INTR_STATOFLOW):
1740 tl_stats_update(sc);
1741 r = 1;
1742 break;
1743 case (TL_INTR_RXEOF):
1744 r = tl_intvec_rxeof((void *)sc, type);
1745 break;
1746 case (TL_INTR_DUMMY):
1729#endif
1730 /* Re-enable interrupts but don't ack this one. */
1731 CMD_PUT(sc, type);
1732 r = 0;
1733 break;
1734 case (TL_INTR_TXEOF):
1735 r = tl_intvec_txeof((void *)sc, type);
1736 break;
1737 case (TL_INTR_TXEOC):
1738 r = tl_intvec_txeoc((void *)sc, type);
1739 break;
1740 case (TL_INTR_STATOFLOW):
1741 tl_stats_update(sc);
1742 r = 1;
1743 break;
1744 case (TL_INTR_RXEOF):
1745 r = tl_intvec_rxeof((void *)sc, type);
1746 break;
1747 case (TL_INTR_DUMMY):
1747 if_printf(ifp, "got a dummy interrupt\n");
1748 device_printf(sc->tl_dev, "got a dummy interrupt\n");
1748 r = 1;
1749 break;
1750 case (TL_INTR_ADCHK):
1751 if (ivec)
1752 r = tl_intvec_adchk((void *)sc, type);
1753 else
1754 r = tl_intvec_netsts((void *)sc, type);
1755 break;
1756 case (TL_INTR_RXEOC):
1757 r = tl_intvec_rxeoc((void *)sc, type);
1758 break;
1759 default:
1749 r = 1;
1750 break;
1751 case (TL_INTR_ADCHK):
1752 if (ivec)
1753 r = tl_intvec_adchk((void *)sc, type);
1754 else
1755 r = tl_intvec_netsts((void *)sc, type);
1756 break;
1757 case (TL_INTR_RXEOC):
1758 r = tl_intvec_rxeoc((void *)sc, type);
1759 break;
1760 default:
1760 if_printf(ifp, "bogus interrupt type\n");
1761 device_printf(sc->tl_dev, "bogus interrupt type\n");
1761 break;
1762 }
1763
1764 /* Re-enable interrupts */
1765 if (r) {
1766 CMD_PUT(sc, TL_CMD_ACK | r | type);
1767 }
1768

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

1808 ifp->if_oerrors += tl_tx_underrun(tl_stats);
1809
1810 if (tl_tx_underrun(tl_stats)) {
1811 u_int8_t tx_thresh;
1812 tx_thresh = tl_dio_read8(sc, TL_ACOMMIT) & TL_AC_TXTHRESH;
1813 if (tx_thresh != TL_AC_TXTHRESH_WHOLEPKT) {
1814 tx_thresh >>= 4;
1815 tx_thresh++;
1762 break;
1763 }
1764
1765 /* Re-enable interrupts */
1766 if (r) {
1767 CMD_PUT(sc, TL_CMD_ACK | r | type);
1768 }
1769

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1809 ifp->if_oerrors += tl_tx_underrun(tl_stats);
1810
1811 if (tl_tx_underrun(tl_stats)) {
1812 u_int8_t tx_thresh;
1813 tx_thresh = tl_dio_read8(sc, TL_ACOMMIT) & TL_AC_TXTHRESH;
1814 if (tx_thresh != TL_AC_TXTHRESH_WHOLEPKT) {
1815 tx_thresh >>= 4;
1816 tx_thresh++;
1816 if_printf(ifp, "tx underrun -- increasing "
1817 device_printf(sc->tl_dev, "tx underrun -- increasing "
1817 "tx threshold to %d bytes\n",
1818 (64 * (tx_thresh * 4)));
1819 tl_dio_clrbit(sc, TL_ACOMMIT, TL_AC_TXTHRESH);
1820 tl_dio_setbit(sc, TL_ACOMMIT, tx_thresh << 4);
1821 }
1822 }
1823
1824 callout_reset(&sc->tl_stat_callout, hz, tl_stats_update, sc);

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2089 /* Init our MAC address */
2090 tl_setfilt(sc, IF_LLADDR(sc->tl_ifp), 0);
2091
2092 /* Init multicast filter, if needed. */
2093 tl_setmulti(sc);
2094
2095 /* Init circular RX list. */
2096 if (tl_list_rx_init(sc) == ENOBUFS) {
1818 "tx threshold to %d bytes\n",
1819 (64 * (tx_thresh * 4)));
1820 tl_dio_clrbit(sc, TL_ACOMMIT, TL_AC_TXTHRESH);
1821 tl_dio_setbit(sc, TL_ACOMMIT, tx_thresh << 4);
1822 }
1823 }
1824
1825 callout_reset(&sc->tl_stat_callout, hz, tl_stats_update, sc);

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

2090 /* Init our MAC address */
2091 tl_setfilt(sc, IF_LLADDR(sc->tl_ifp), 0);
2092
2093 /* Init multicast filter, if needed. */
2094 tl_setmulti(sc);
2095
2096 /* Init circular RX list. */
2097 if (tl_list_rx_init(sc) == ENOBUFS) {
2097 if_printf(ifp,
2098 device_printf(sc->tl_dev,
2098 "initialization failed: no memory for rx buffers\n");
2099 tl_stop(sc);
2100 return;
2101 }
2102
2103 /* Init TX pointers. */
2104 tl_list_tx_init(sc);
2105

--- 255 unchanged lines hidden --- 		2099 "initialization failed: no memory for rx buffers\n");
2100 tl_stop(sc);
2101 return;
2102 }
2103
2104 /* Init TX pointers. */
2105 tl_list_tx_init(sc);
2106

--- 255 unchanged lines hidden ---