| if_ed.c (154895) | if_ed.c (154924) |
|---|---|
| 1/*- 2 * Copyright (c) 1995, David Greenman 3 * 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 --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1995, David Greenman 3 * 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 --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: head/sys/dev/ed/if_ed.c 154895 2006-01-27 08:25:47Z imp $"); | 29__FBSDID("$FreeBSD: head/sys/dev/ed/if_ed.c 154924 2006-01-27 19:10:13Z imp $"); |
| 30 31/* 32 * Device driver for National Semiconductor DS8390/WD83C690 based ethernet 33 * adapters. By David Greenman, 29-April-1993 34 * 35 * Currently supports the Western Digital/SMC 8003 and 8013 series, 36 * the SMC Elite Ultra (8216), the 3Com 3c503, the NE1000 and NE2000, 37 * and a variety of similar clones. --- 44 unchanged lines hidden (view full) --- 82 83static void ed_get_packet(struct ed_softc *, bus_size_t, u_short); 84static void ed_stop_hw(struct ed_softc *sc); 85 86static __inline void ed_rint(struct ed_softc *); 87static __inline void ed_xmit(struct ed_softc *); 88static __inline void ed_ring_copy(struct ed_softc *, bus_size_t, char *, 89 u_short); | 30 31/* 32 * Device driver for National Semiconductor DS8390/WD83C690 based ethernet 33 * adapters. By David Greenman, 29-April-1993 34 * 35 * Currently supports the Western Digital/SMC 8003 and 8013 series, 36 * the SMC Elite Ultra (8216), the 3Com 3c503, the NE1000 and NE2000, 37 * and a variety of similar clones. --- 44 unchanged lines hidden (view full) --- 82 83static void ed_get_packet(struct ed_softc *, bus_size_t, u_short); 84static void ed_stop_hw(struct ed_softc *sc); 85 86static __inline void ed_rint(struct ed_softc *); 87static __inline void ed_xmit(struct ed_softc *); 88static __inline void ed_ring_copy(struct ed_softc *, bus_size_t, char *, 89 u_short); |
| 90static u_short ed_pio_write_mbufs(struct ed_softc *, struct mbuf *, 91 bus_size_t); | |
| 92 93static void ed_setrcr(struct ed_softc *); 94 95/* 96 * Generic probe routine for testing for the existance of a DS8390. 97 * Must be called after the NIC has just been reset. This routine 98 * works by looking at certain register values that are guaranteed 99 * to be initialized a certain way after power-up or reset. Seems --- 171 unchanged lines hidden (view full) --- 271 if (sc->isa16bit) 272 sc->readmem = ed_shmem_readmem16; 273 else 274 sc->readmem = ed_shmem_readmem8; 275 } else { 276 sc->readmem = ed_pio_readmem; 277 } 278 } | 90 91static void ed_setrcr(struct ed_softc *); 92 93/* 94 * Generic probe routine for testing for the existance of a DS8390. 95 * Must be called after the NIC has just been reset. This routine 96 * works by looking at certain register values that are guaranteed 97 * to be initialized a certain way after power-up or reset. Seems --- 171 unchanged lines hidden (view full) --- 269 if (sc->isa16bit) 270 sc->readmem = ed_shmem_readmem16; 271 else 272 sc->readmem = ed_shmem_readmem8; 273 } else { 274 sc->readmem = ed_pio_readmem; 275 } 276 } |
| 279 | 277 if (sc->sc_write_mbufs == NULL) { 278 device_printf(dev, "No write mbufs routine set\n"); 279 return (ENXIO); 280 } 281 |
| 280 callout_init_mtx(&sc->tick_ch, ED_MUTEX(sc), 0); 281 /* 282 * Set interface to stopped condition (reset) 283 */ 284 ed_stop_hw(sc); 285 286 /* 287 * Initialize ifnet structure --- 418 unchanged lines hidden (view full) --- 706 /* 707 * Copy the mbuf chain into the transmit buffer 708 */ 709 m0 = m; 710 711 /* txb_new points to next open buffer slot */ 712 buffer = sc->mem_start + (sc->txb_new * ED_TXBUF_SIZE * ED_PAGE_SIZE); 713 | 282 callout_init_mtx(&sc->tick_ch, ED_MUTEX(sc), 0); 283 /* 284 * Set interface to stopped condition (reset) 285 */ 286 ed_stop_hw(sc); 287 288 /* 289 * Initialize ifnet structure --- 418 unchanged lines hidden (view full) --- 708 /* 709 * Copy the mbuf chain into the transmit buffer 710 */ 711 m0 = m; 712 713 /* txb_new points to next open buffer slot */ 714 buffer = sc->mem_start + (sc->txb_new * ED_TXBUF_SIZE * ED_PAGE_SIZE); 715 |
| 714 if (sc->mem_shared) { 715 /* 716 * Special case setup for 16 bit boards... 717 */ 718 if (sc->isa16bit) { 719 switch (sc->vendor) { 720#ifdef ED_3C503 721 /* 722 * For 16bit 3Com boards (which have 16k of 723 * memory), we have the xmit buffers in a 724 * different page of memory ('page 0') - so 725 * change pages. 726 */ 727 case ED_VENDOR_3COM: 728 ed_asic_outb(sc, ED_3COM_GACFR, 729 ED_3COM_GACFR_RSEL); 730 break; 731#endif 732 /* 733 * Enable 16bit access to shared memory on 734 * WD/SMC boards. 735 * 736 * XXX - same as ed_enable_16bit_access() 737 */ 738 case ED_VENDOR_WD_SMC: 739 ed_asic_outb(sc, ED_WD_LAAR, 740 sc->wd_laar_proto | ED_WD_LAAR_M16EN); 741 if (sc->chip_type == ED_CHIP_TYPE_WD790) 742 ed_asic_outb(sc, ED_WD_MSR, ED_WD_MSR_MENB); 743 break; 744 } 745 } 746 for (len = 0; m != 0; m = m->m_next) { 747 if (sc->isa16bit) 748 bus_space_write_region_2(sc->mem_bst, 749 sc->mem_bsh, buffer, 750 mtod(m, uint16_t *), (m->m_len + 1)/ 2); 751 else 752 bus_space_write_region_1(sc->mem_bst, 753 sc->mem_bsh, buffer, 754 mtod(m, uint8_t *), m->m_len); 755 buffer += m->m_len; 756 len += m->m_len; 757 } 758 759 /* 760 * Restore previous shared memory access 761 */ 762 if (sc->isa16bit) { 763 switch (sc->vendor) { 764#ifdef ED_3C503 765 case ED_VENDOR_3COM: 766 ed_asic_outb(sc, ED_3COM_GACFR, 767 ED_3COM_GACFR_RSEL | ED_3COM_GACFR_MBS0); 768 break; 769#endif 770 case ED_VENDOR_WD_SMC: 771 /* XXX - same as ed_disable_16bit_access() */ 772 if (sc->chip_type == ED_CHIP_TYPE_WD790) 773 ed_asic_outb(sc, ED_WD_MSR, 0x00); 774 ed_asic_outb(sc, ED_WD_LAAR, 775 sc->wd_laar_proto & ~ED_WD_LAAR_M16EN); 776 break; 777 } 778 } 779 } else { 780 len = ed_pio_write_mbufs(sc, m, buffer); 781 if (len == 0) { 782 m_freem(m0); 783 goto outloop; 784 } | 716 len = sc->sc_write_mbufs(sc, m, buffer); 717 if (len == 0) { 718 m_freem(m0); 719 goto outloop; |
| 785 } 786 787 sc->txb_len[sc->txb_new] = max(len, (ETHER_MIN_LEN-ETHER_CRC_LEN)); 788 789 sc->txb_inuse++; 790 791 /* 792 * Point to next buffer slot and wrap if necessary. --- 659 unchanged lines hidden (view full) --- 1452 --maxwait) 1453 continue; 1454} 1455 1456/* 1457 * Write an mbuf chain to the destination NIC memory address using 1458 * programmed I/O. 1459 */ | 720 } 721 722 sc->txb_len[sc->txb_new] = max(len, (ETHER_MIN_LEN-ETHER_CRC_LEN)); 723 724 sc->txb_inuse++; 725 726 /* 727 * Point to next buffer slot and wrap if necessary. --- 659 unchanged lines hidden (view full) --- 1387 --maxwait) 1388 continue; 1389} 1390 1391/* 1392 * Write an mbuf chain to the destination NIC memory address using 1393 * programmed I/O. 1394 */ |
| 1460static u_short | 1395u_short |
| 1461ed_pio_write_mbufs(struct ed_softc *sc, struct mbuf *m, bus_size_t dst) 1462{ 1463 struct ifnet *ifp = sc->ifp; 1464 unsigned short total_len, dma_len; 1465 struct mbuf *mp; 1466 int maxwait = 200; /* about 240us */ 1467 1468 ED_ASSERT_LOCKED(sc); 1469 | 1396ed_pio_write_mbufs(struct ed_softc *sc, struct mbuf *m, bus_size_t dst) 1397{ 1398 struct ifnet *ifp = sc->ifp; 1399 unsigned short total_len, dma_len; 1400 struct mbuf *mp; 1401 int maxwait = 200; /* about 240us */ 1402 1403 ED_ASSERT_LOCKED(sc); 1404 |
| 1470#ifdef ED_HPP 1471 /* HP PC Lan+ cards need special handling */ 1472 if (sc->vendor == ED_VENDOR_HP && sc->type == ED_TYPE_HP_PCLANPLUS) 1473 return ed_hpp_write_mbufs(sc, m, dst); 1474#endif 1475 | |
| 1476 /* Regular Novell cards */ 1477 /* First, count up the total number of bytes to copy */ 1478 for (total_len = 0, mp = m; mp; mp = mp->m_next) 1479 total_len += mp->m_len; 1480 1481 dma_len = total_len; 1482 if (sc->isa16bit && (dma_len & 1)) 1483 dma_len++; --- 219 unchanged lines hidden (view full) --- 1703 device_printf(dev, "failed to clear shared memory at " 1704 "0x%jx - check configuration\n", 1705 (uintmax_t)rman_get_start(sc->mem_res) + i); 1706 return (ENXIO); 1707 } 1708 } 1709 return (0); 1710} | 1405 /* Regular Novell cards */ 1406 /* First, count up the total number of bytes to copy */ 1407 for (total_len = 0, mp = m; mp; mp = mp->m_next) 1408 total_len += mp->m_len; 1409 1410 dma_len = total_len; 1411 if (sc->isa16bit && (dma_len & 1)) 1412 dma_len++; --- 219 unchanged lines hidden (view full) --- 1632 device_printf(dev, "failed to clear shared memory at " 1633 "0x%jx - check configuration\n", 1634 (uintmax_t)rman_get_start(sc->mem_res) + i); 1635 return (ENXIO); 1636 } 1637 } 1638 return (0); 1639} |
| 1640 1641u_short 1642ed_shmem_write_mbufs(struct ed_softc *sc, struct mbuf *m, bus_size_t dst) 1643{ 1644 u_short len; 1645 1646 /* 1647 * Special case setup for 16 bit boards... 1648 */ 1649 if (sc->isa16bit) { 1650 switch (sc->vendor) { 1651#ifdef ED_3C503 1652 /* 1653 * For 16bit 3Com boards (which have 16k of 1654 * memory), we have the xmit buffers in a 1655 * different page of memory ('page 0') - so 1656 * change pages. 1657 */ 1658 case ED_VENDOR_3COM: 1659 ed_asic_outb(sc, ED_3COM_GACFR, ED_3COM_GACFR_RSEL); 1660 break; 1661#endif 1662 /* 1663 * Enable 16bit access to shared memory on 1664 * WD/SMC boards. 1665 * 1666 * XXX - same as ed_enable_16bit_access() 1667 */ 1668 case ED_VENDOR_WD_SMC: 1669 ed_asic_outb(sc, ED_WD_LAAR, 1670 sc->wd_laar_proto | ED_WD_LAAR_M16EN); 1671 if (sc->chip_type == ED_CHIP_TYPE_WD790) 1672 ed_asic_outb(sc, ED_WD_MSR, ED_WD_MSR_MENB); 1673 break; 1674 } 1675 } 1676 for (len = 0; m != 0; m = m->m_next) { 1677 if (sc->isa16bit) 1678 bus_space_write_region_2(sc->mem_bst, 1679 sc->mem_bsh, dst, 1680 mtod(m, uint16_t *), (m->m_len + 1)/ 2); 1681 else 1682 bus_space_write_region_1(sc->mem_bst, 1683 sc->mem_bsh, dst, 1684 mtod(m, uint8_t *), m->m_len); 1685 dst += m->m_len; 1686 len += m->m_len; 1687 } 1688 1689 /* 1690 * Restore previous shared memory access 1691 */ 1692 if (sc->isa16bit) { 1693 switch (sc->vendor) { 1694#ifdef ED_3C503 1695 case ED_VENDOR_3COM: 1696 ed_asic_outb(sc, ED_3COM_GACFR, 1697 ED_3COM_GACFR_RSEL | ED_3COM_GACFR_MBS0); 1698 break; 1699#endif 1700 case ED_VENDOR_WD_SMC: 1701 /* XXX - same as ed_disable_16bit_access() */ 1702 if (sc->chip_type == ED_CHIP_TYPE_WD790) 1703 ed_asic_outb(sc, ED_WD_MSR, 0x00); 1704 ed_asic_outb(sc, ED_WD_LAAR, 1705 sc->wd_laar_proto & ~ED_WD_LAAR_M16EN); 1706 break; 1707 } 1708 } 1709 return (len); 1710} |
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