| if_rl.c (40516) | if_rl.c (41243) |
|---|---|
| 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 --- 15 unchanged lines hidden (view full) --- 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 * | 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 --- 15 unchanged lines hidden (view full) --- 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 * $Id: if_rl.c,v 1.13 1998/10/07 22:51:30 wpaul Exp $ | 32 * $Id: if_rl.c,v 1.14 1998/11/18 20:27:28 wpaul Exp $ |
| 33 */ 34 35/* 36 * RealTek 8129/8139 PCI NIC driver 37 * 38 * Supports several extremely cheap PCI 10/100 adapters based on 39 * the RealTek chipset. Datasheets can be obtained from 40 * www.realtek.com.tw. --- 87 unchanged lines hidden (view full) --- 128 * uniprocessor systems though. 129 */ 130#define RL_USEIOSPACE 131 132#include <pci/if_rlreg.h> 133 134#ifndef lint 135static char rcsid[] = | 33 */ 34 35/* 36 * RealTek 8129/8139 PCI NIC driver 37 * 38 * Supports several extremely cheap PCI 10/100 adapters based on 39 * the RealTek chipset. Datasheets can be obtained from 40 * www.realtek.com.tw. --- 87 unchanged lines hidden (view full) --- 128 * uniprocessor systems though. 129 */ 130#define RL_USEIOSPACE 131 132#include <pci/if_rlreg.h> 133 134#ifndef lint 135static char rcsid[] = |
| 136 "$Id: if_rl.c,v 1.13 1998/10/07 22:51:30 wpaul Exp $"; | 136 "$Id: if_rl.c,v 1.14 1998/11/18 20:27:28 wpaul Exp $"; |
| 137#endif 138 139/* 140 * Various supported device vendors/types and their names. 141 */ 142static struct rl_type rl_devs[] = { 143 { RT_VENDORID, RT_DEVICEID_8129, 144 "RealTek 8129 10/100BaseTX" }, 145 { RT_VENDORID, RT_DEVICEID_8139, 146 "RealTek 8139 10/100BaseTX" }, | 137#endif 138 139/* 140 * Various supported device vendors/types and their names. 141 */ 142static struct rl_type rl_devs[] = { 143 { RT_VENDORID, RT_DEVICEID_8129, 144 "RealTek 8129 10/100BaseTX" }, 145 { RT_VENDORID, RT_DEVICEID_8139, 146 "RealTek 8139 10/100BaseTX" }, |
| 147 { RT_VENDORID_ALT, RT_DEVICEID_8139_ALT, 148 "RealTek 8139 10/100BaseTX" }, | 147 { ACCTON_VENDORID, ACCTON_DEVICEID_5030, 148 "Accton MPX 5030/5038 10/100BaseTX" }, |
| 149 { 0, 0, NULL } 150}; 151 152/* 153 * Various supported PHY vendors/types and their names. Note that 154 * this driver will work with pretty much any MII-compliant PHY, 155 * so failure to positively identify the chip is not a fatal error. 156 */ --- 1409 unchanged lines hidden (view full) --- 1566 * pointers to the fragment pointers. 1567 */ 1568static int rl_encap(sc, c, m_head) 1569 struct rl_softc *sc; 1570 struct rl_chain *c; 1571 struct mbuf *m_head; 1572{ 1573 struct mbuf *m; | 149 { 0, 0, NULL } 150}; 151 152/* 153 * Various supported PHY vendors/types and their names. Note that 154 * this driver will work with pretty much any MII-compliant PHY, 155 * so failure to positively identify the chip is not a fatal error. 156 */ --- 1409 unchanged lines hidden (view full) --- 1566 * pointers to the fragment pointers. 1567 */ 1568static int rl_encap(sc, c, m_head) 1569 struct rl_softc *sc; 1570 struct rl_chain *c; 1571 struct mbuf *m_head; 1572{ 1573 struct mbuf *m; |
| 1574 struct mbuf *m_new = NULL; |
|
| 1574 1575 /* 1576 * There are two possible encapsulation mechanisms 1577 * that we can use: an efficient one, and a very lossy 1578 * one. The efficient one only happens very rarely, 1579 * whereas the lossy one can and most likely will happen 1580 * all the time. 1581 * The efficient case happens if: 1582 * - the packet fits in a single mbuf 1583 * - the packet is 32-bit aligned within the mbuf data area 1584 * In this case, we can DMA from the mbuf directly. 1585 * The lossy case covers everything else. Bah. 1586 */ 1587 1588 m = m_head; 1589 | 1575 1576 /* 1577 * There are two possible encapsulation mechanisms 1578 * that we can use: an efficient one, and a very lossy 1579 * one. The efficient one only happens very rarely, 1580 * whereas the lossy one can and most likely will happen 1581 * all the time. 1582 * The efficient case happens if: 1583 * - the packet fits in a single mbuf 1584 * - the packet is 32-bit aligned within the mbuf data area 1585 * In this case, we can DMA from the mbuf directly. 1586 * The lossy case covers everything else. Bah. 1587 */ 1588 1589 m = m_head; 1590 |
| 1590 if (m->m_pkthdr.len > MHLEN || (mtod(m, u_int32_t) & 0x00000003)) { 1591 struct mbuf *m_new = NULL; 1592 1593 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 1594 if (m_new == NULL) { 1595 printf("rl%d: no memory for tx list", sc->rl_unit); | 1591 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 1592 if (m_new == NULL) { 1593 printf("rl%d: no memory for tx list", sc->rl_unit); 1594 return(1); 1595 } 1596 if (m_head->m_pkthdr.len > MHLEN) { 1597 MCLGET(m_new, M_DONTWAIT); 1598 if (!(m_new->m_flags & M_EXT)) { 1599 m_freem(m_new); 1600 printf("rl%d: no memory for tx list", 1601 sc->rl_unit); |
| 1596 return(1); 1597 } | 1602 return(1); 1603 } |
| 1598 if (m_head->m_pkthdr.len > MHLEN) { 1599 MCLGET(m_new, M_DONTWAIT); 1600 if (!(m_new->m_flags & M_EXT)) { 1601 m_freem(m_new); 1602 printf("rl%d: no memory for tx list", 1603 sc->rl_unit); 1604 return(1); 1605 } 1606 } 1607 m_copydata(m_head, 0, m_head->m_pkthdr.len, 1608 mtod(m_new, caddr_t)); 1609 m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 1610 m_freem(m_head); 1611 m_head = m_new; | |
| 1612 } | 1604 } |
| 1605 m_copydata(m_head, 0, m_head->m_pkthdr.len, 1606 mtod(m_new, caddr_t)); 1607 m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len; 1608 m_freem(m_head); 1609 m_head = m_new; |
|
| 1613 1614 /* Pad frames to at least 60 bytes. */ | 1610 1611 /* Pad frames to at least 60 bytes. */ |
| 1615 if (m_head->m_pkthdr.len < RL_MIN_FRAMELEN) | 1612 if (m_head->m_pkthdr.len < RL_MIN_FRAMELEN) { |
| 1616 m_head->m_pkthdr.len += 1617 (RL_MIN_FRAMELEN - m_head->m_pkthdr.len); | 1613 m_head->m_pkthdr.len += 1614 (RL_MIN_FRAMELEN - m_head->m_pkthdr.len); |
| 1615 m_head->m_len = m_head->m_pkthdr.len; 1616 } |
|
| 1618 1619 c->rl_mbuf = m_head; 1620 1621 return(0); 1622} 1623 1624/* 1625 * Main transmit routine. --- 364 unchanged lines hidden --- | 1617 1618 c->rl_mbuf = m_head; 1619 1620 return(0); 1621} 1622 1623/* 1624 * Main transmit routine. --- 364 unchanged lines hidden --- |