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if_tl.c (48443) if_tl.c (48645)
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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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

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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_tl.c,v 1.32 1999/05/09 17:07:01 peter Exp $
32 * $Id: if_tl.c,v 1.33 1999/07/02 04:17:15 peter Exp $
33 */
34
35/*
36 * Texas Instruments ThunderLAN driver for FreeBSD 2.2.6 and 3.x.
37 * Supports many Compaq PCI NICs based on the ThunderLAN ethernet controller,
38 * the National Semiconductor DP83840A physical interface and the
39 * Microchip Technology 24Cxx series serial EEPROM.
40 *

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173 *
174 * Using these techniques, this driver achieves very high performance
175 * by minimizing the amount of interrupts generated during large
176 * transfers and by completely avoiding buffer copies. Frame transfer
177 * to and from the ThunderLAN chip is performed entirely by the chip
178 * itself thereby reducing the load on the host CPU.
179 */
180
33 */
34
35/*
36 * Texas Instruments ThunderLAN driver for FreeBSD 2.2.6 and 3.x.
37 * Supports many Compaq PCI NICs based on the ThunderLAN ethernet controller,
38 * the National Semiconductor DP83840A physical interface and the
39 * Microchip Technology 24Cxx series serial EEPROM.
40 *

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173 *
174 * Using these techniques, this driver achieves very high performance
175 * by minimizing the amount of interrupts generated during large
176 * transfers and by completely avoiding buffer copies. Frame transfer
177 * to and from the ThunderLAN chip is performed entirely by the chip
178 * itself thereby reducing the load on the host CPU.
179 */
180
181#include "bpfilter.h"
181#include "bpf.h"
182
183#include <sys/param.h>
184#include <sys/systm.h>
185#include <sys/sockio.h>
186#include <sys/mbuf.h>
187#include <sys/malloc.h>
188#include <sys/kernel.h>
189#include <sys/socket.h>
190
191#include <net/if.h>
192#include <net/if_arp.h>
193#include <net/ethernet.h>
194#include <net/if_dl.h>
195#include <net/if_media.h>
196
182
183#include <sys/param.h>
184#include <sys/systm.h>
185#include <sys/sockio.h>
186#include <sys/mbuf.h>
187#include <sys/malloc.h>
188#include <sys/kernel.h>
189#include <sys/socket.h>
190
191#include <net/if.h>
192#include <net/if_arp.h>
193#include <net/ethernet.h>
194#include <net/if_dl.h>
195#include <net/if_media.h>
196
197#if NBPFILTER > 0
197#if NBPF > 0
198#include <net/bpf.h>
199#endif
200
201#include <vm/vm.h> /* for vtophys */
202#include <vm/pmap.h> /* for vtophys */
203#include <machine/clock.h> /* for DELAY */
204#include <machine/bus_memio.h>
205#include <machine/bus_pio.h>

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216#define TL_USEIOSPACE
217
218/* #define TL_BACKGROUND_AUTONEG */
219
220#include <pci/if_tlreg.h>
221
222#if !defined(lint)
223static const char rcsid[] =
198#include <net/bpf.h>
199#endif
200
201#include <vm/vm.h> /* for vtophys */
202#include <vm/pmap.h> /* for vtophys */
203#include <machine/clock.h> /* for DELAY */
204#include <machine/bus_memio.h>
205#include <machine/bus_pio.h>

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216#define TL_USEIOSPACE
217
218/* #define TL_BACKGROUND_AUTONEG */
219
220#include <pci/if_tlreg.h>
221
222#if !defined(lint)
223static const char rcsid[] =
224 "$Id: if_tl.c,v 1.32 1999/05/09 17:07:01 peter Exp $";
224 "$Id: if_tl.c,v 1.33 1999/07/02 04:17:15 peter Exp $";
225#endif
226
227/*
228 * Various supported device vendors/types and their names.
229 */
230
231static struct tl_type tl_devs[] = {
232 { TI_VENDORID, TI_DEVICEID_THUNDERLAN,

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1781 tl_intr((void *)sc);
1782
1783 /*
1784 * Call MI attach routines.
1785 */
1786 if_attach(ifp);
1787 ether_ifattach(ifp);
1788
225#endif
226
227/*
228 * Various supported device vendors/types and their names.
229 */
230
231static struct tl_type tl_devs[] = {
232 { TI_VENDORID, TI_DEVICEID_THUNDERLAN,

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1781 tl_intr((void *)sc);
1782
1783 /*
1784 * Call MI attach routines.
1785 */
1786 if_attach(ifp);
1787 ether_ifattach(ifp);
1788
1789#if NBPFILTER > 0
1789#if NBPF > 0
1790 bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
1791#endif
1792
1793 at_shutdown(tl_shutdown, sc, SHUTDOWN_POST_SYNC);
1794
1795fail:
1796 splx(s);
1797 return;

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1961 */
1962 /*if (ifp->if_flags & IFF_PROMISC && */
1963 if (!bcmp(eh->ether_shost, sc->arpcom.ac_enaddr,
1964 ETHER_ADDR_LEN)) {
1965 m_freem(m);
1966 continue;
1967 }
1968
1790 bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
1791#endif
1792
1793 at_shutdown(tl_shutdown, sc, SHUTDOWN_POST_SYNC);
1794
1795fail:
1796 splx(s);
1797 return;

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1961 */
1962 /*if (ifp->if_flags & IFF_PROMISC && */
1963 if (!bcmp(eh->ether_shost, sc->arpcom.ac_enaddr,
1964 ETHER_ADDR_LEN)) {
1965 m_freem(m);
1966 continue;
1967 }
1968
1969#if NBPFILTER > 0
1969#if NBPF > 0
1970 /*
1971 * Handle BPF listeners. Let the BPF user see the packet, but
1972 * don't pass it up to the ether_input() layer unless it's
1973 * a broadcast packet, multicast packet, matches our ethernet
1974 * address or the interface is in promiscuous mode. If we don't
1975 * want the packet, just forget it. We leave the mbuf in place
1976 * since it can be used again later.
1977 */

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2429 prev->tl_ptr->tlist_fptr = vtophys(cur_tx->tl_ptr);
2430 }
2431 prev = cur_tx;
2432
2433 /*
2434 * If there's a BPF listener, bounce a copy of this frame
2435 * to him.
2436 */
1970 /*
1971 * Handle BPF listeners. Let the BPF user see the packet, but
1972 * don't pass it up to the ether_input() layer unless it's
1973 * a broadcast packet, multicast packet, matches our ethernet
1974 * address or the interface is in promiscuous mode. If we don't
1975 * want the packet, just forget it. We leave the mbuf in place
1976 * since it can be used again later.
1977 */

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2429 prev->tl_ptr->tlist_fptr = vtophys(cur_tx->tl_ptr);
2430 }
2431 prev = cur_tx;
2432
2433 /*
2434 * If there's a BPF listener, bounce a copy of this frame
2435 * to him.
2436 */
2437#if NBPFILTER > 0
2437#if NBPF > 0
2438 if (ifp->if_bpf)
2439 bpf_mtap(ifp, cur_tx->tl_mbuf);
2440#endif
2441 }
2442
2443 /*
2444 * If there are no packets queued, bail.
2445 */

--- 388 unchanged lines hidden --- 		2438 if (ifp->if_bpf)
2439 bpf_mtap(ifp, cur_tx->tl_mbuf);
2440#endif
2441 }
2442
2443 /*
2444 * If there are no packets queued, bail.
2445 */

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