| if_plip.c (67164) | if_plip.c (69152) |
|---|---|
| 1/*- 2 * Copyright (c) 1997 Poul-Henning Kamp 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 --- 10 unchanged lines hidden (view full) --- 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * From Id: lpt.c,v 1.55.2.1 1996/11/12 09:08:38 phk Exp | 1/*- 2 * Copyright (c) 1997 Poul-Henning Kamp 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 --- 10 unchanged lines hidden (view full) --- 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * From Id: lpt.c,v 1.55.2.1 1996/11/12 09:08:38 phk Exp |
| 27 * $FreeBSD: head/sys/dev/ppbus/if_plip.c 67164 2000-10-15 14:19:01Z phk $ | 27 * $FreeBSD: head/sys/dev/ppbus/if_plip.c 69152 2000-11-25 07:35:38Z jlemon $ |
| 28 */ 29 30/* 31 * Parallel port TCP/IP interfaces added. I looked at the driver from 32 * MACH but this is a complete rewrite, and btw. incompatible, and it 33 * should perform better too. I have never run the MACH driver though. 34 * 35 * This driver sends two bytes (0x08, 0x00) in front of each packet, --- 472 unchanged lines hidden (view full) --- 508 } 509 510 len = bp - sc->sc_ifbuf; 511 if (len <= CLPIPHDRLEN) 512 goto err; 513 514 sc->sc_iferrs = 0; 515 | 28 */ 29 30/* 31 * Parallel port TCP/IP interfaces added. I looked at the driver from 32 * MACH but this is a complete rewrite, and btw. incompatible, and it 33 * should perform better too. I have never run the MACH driver though. 34 * 35 * This driver sends two bytes (0x08, 0x00) in front of each packet, --- 472 unchanged lines hidden (view full) --- 508 } 509 510 len = bp - sc->sc_ifbuf; 511 if (len <= CLPIPHDRLEN) 512 goto err; 513 514 sc->sc_iferrs = 0; 515 |
| 516 if (IF_QFULL(&ipintrq)) { 517 lprintf("DROP"); 518 IF_DROP(&ipintrq); 519 goto done; 520 } | |
| 521 len -= CLPIPHDRLEN; 522 sc->sc_if.if_ipackets++; 523 sc->sc_if.if_ibytes += len; 524 top = m_devget(sc->sc_ifbuf + CLPIPHDRLEN, len, 0, &sc->sc_if, 0); 525 if (top) { 526 if (sc->sc_if.if_bpf) 527 lptap(&sc->sc_if, top); | 516 len -= CLPIPHDRLEN; 517 sc->sc_if.if_ipackets++; 518 sc->sc_if.if_ibytes += len; 519 top = m_devget(sc->sc_ifbuf + CLPIPHDRLEN, len, 0, &sc->sc_if, 0); 520 if (top) { 521 if (sc->sc_if.if_bpf) 522 lptap(&sc->sc_if, top); |
| 528 IF_ENQUEUE(&ipintrq, top); 529 schednetisr(NETISR_IP); | 523 if (! IF_HANDOFF(&ipintrq, top, NULL)) { 524 lprintf("DROP"); 525 } else { 526 schednetisr(NETISR_IP); 527 } |
| 530 } 531 goto done; 532 } 533 while ((ppb_rstr(ppbus) & LPIP_SHAKE)) { 534 len = sc->sc_if.if_mtu + LPIPHDRLEN; 535 bp = sc->sc_ifbuf; 536 while (len--) { 537 --- 21 unchanged lines hidden (view full) --- 559 560 end: 561 len = bp - sc->sc_ifbuf; 562 if (len <= LPIPHDRLEN) 563 goto err; 564 565 sc->sc_iferrs = 0; 566 | 528 } 529 goto done; 530 } 531 while ((ppb_rstr(ppbus) & LPIP_SHAKE)) { 532 len = sc->sc_if.if_mtu + LPIPHDRLEN; 533 bp = sc->sc_ifbuf; 534 while (len--) { 535 --- 21 unchanged lines hidden (view full) --- 557 558 end: 559 len = bp - sc->sc_ifbuf; 560 if (len <= LPIPHDRLEN) 561 goto err; 562 563 sc->sc_iferrs = 0; 564 |
| 567 if (IF_QFULL(&ipintrq)) { 568 lprintf("DROP"); 569 IF_DROP(&ipintrq); 570 goto done; 571 } | |
| 572 len -= LPIPHDRLEN; 573 sc->sc_if.if_ipackets++; 574 sc->sc_if.if_ibytes += len; 575 top = m_devget(sc->sc_ifbuf + LPIPHDRLEN, len, 0, &sc->sc_if, 0); 576 if (top) { 577 if (sc->sc_if.if_bpf) 578 lptap(&sc->sc_if, top); | 565 len -= LPIPHDRLEN; 566 sc->sc_if.if_ipackets++; 567 sc->sc_if.if_ibytes += len; 568 top = m_devget(sc->sc_ifbuf + LPIPHDRLEN, len, 0, &sc->sc_if, 0); 569 if (top) { 570 if (sc->sc_if.if_bpf) 571 lptap(&sc->sc_if, top); |
| 579 IF_ENQUEUE(&ipintrq, top); 580 schednetisr(NETISR_IP); | 572 if (! IF_HANDOFF(&ipintrq, top, NULL)) { 573 lprintf("DROP"); 574 } else { 575 schednetisr(NETISR_IP); 576 } |
| 581 } 582 } 583 goto done; 584 585 err: 586 ppb_wdtr(ppbus, 0); 587 lprintf("R"); 588 sc->sc_if.if_ierrors++; --- 200 unchanged lines hidden --- | 577 } 578 } 579 goto done; 580 581 err: 582 ppb_wdtr(ppbus, 0); 583 lprintf("R"); 584 sc->sc_if.if_ierrors++; --- 200 unchanged lines hidden --- |