| ng_device.c (129823) | ng_device.c (130585) |
|---|---|
| 1/* 2 * Copyright (c) 2002 Mark Santcroos <marks@ripe.net> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 14 unchanged lines hidden (view full) --- 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * Netgraph "device" node 27 * 28 * This node presents a /dev/ngd%d device that interfaces to an other 29 * netgraph node. 30 * | 1/* 2 * Copyright (c) 2002 Mark Santcroos <marks@ripe.net> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 14 unchanged lines hidden (view full) --- 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * Netgraph "device" node 27 * 28 * This node presents a /dev/ngd%d device that interfaces to an other 29 * netgraph node. 30 * |
| 31 * $FreeBSD: head/sys/netgraph/ng_device.c 129823 2004-05-29 00:51:19Z julian $ | 31 * $FreeBSD: head/sys/netgraph/ng_device.c 130585 2004-06-16 09:47:26Z phk $ |
| 32 * 33 */ 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/kernel.h> 38#include <sys/mbuf.h> 39#include <sys/uio.h> --- 36 unchanged lines hidden (view full) --- 76 .disconnect = ng_device_disconnect, 77}; 78NETGRAPH_INIT(device, &typestruct); 79 80/* per hook data */ 81struct ngd_connection { 82 SLIST_ENTRY(ngd_connection) links; 83 | 32 * 33 */ 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/kernel.h> 38#include <sys/mbuf.h> 39#include <sys/uio.h> --- 36 unchanged lines hidden (view full) --- 76 .disconnect = ng_device_disconnect, 77}; 78NETGRAPH_INIT(device, &typestruct); 79 80/* per hook data */ 81struct ngd_connection { 82 SLIST_ENTRY(ngd_connection) links; 83 |
| 84 dev_t ngddev; | 84 struct cdev *ngddev; |
| 85 struct ng_hook *active_hook; 86 char *readq; 87 int loc; 88 int unit; 89}; 90 91/* global data */ 92struct ngd_softc { --- 314 unchanged lines hidden (view full) --- 407 SLIST_REMOVE(&sc->head,connection,ngd_connection,links); 408 409 return(0); 410} 411/* 412 * the device is opened 413 */ 414static int | 85 struct ng_hook *active_hook; 86 char *readq; 87 int loc; 88 int unit; 89}; 90 91/* global data */ 92struct ngd_softc { --- 314 unchanged lines hidden (view full) --- 407 SLIST_REMOVE(&sc->head,connection,ngd_connection,links); 408 409 return(0); 410} 411/* 412 * the device is opened 413 */ 414static int |
| 415ngdopen(dev_t dev, int flag, int mode, struct thread *td) | 415ngdopen(struct cdev *dev, int flag, int mode, struct thread *td) |
| 416{ 417 418#ifdef NGD_DEBUG 419 printf("%s()\n",__func__); 420#endif /* NGD_DEBUG */ 421 422 return(0); 423} 424 425/* 426 * the device is closed 427 */ 428static int | 416{ 417 418#ifdef NGD_DEBUG 419 printf("%s()\n",__func__); 420#endif /* NGD_DEBUG */ 421 422 return(0); 423} 424 425/* 426 * the device is closed 427 */ 428static int |
| 429ngdclose(dev_t dev, int flag, int mode, struct thread *td) | 429ngdclose(struct cdev *dev, int flag, int mode, struct thread *td) |
| 430{ 431 432#ifdef NGD_DEBUG 433 printf("%s()\n",__func__); 434#endif 435 436 return(0); 437} 438 439 440/* 441 * process ioctl 442 * 443 * they are translated into netgraph messages and passed on 444 * 445 */ 446static int | 430{ 431 432#ifdef NGD_DEBUG 433 printf("%s()\n",__func__); 434#endif 435 436 return(0); 437} 438 439 440/* 441 * process ioctl 442 * 443 * they are translated into netgraph messages and passed on 444 * 445 */ 446static int |
| 447ngdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) | 447ngdioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) |
| 448{ 449 struct ngd_softc *sc = &ngd_softc; 450 struct ngd_connection * connection = NULL; 451 struct ngd_connection * tmp; 452 int error = 0; 453 struct ng_mesg *msg; 454 struct ngd_param_s * datap; 455 --- 35 unchanged lines hidden (view full) --- 491 492 493/* 494 * This function is called when a read(2) is done to our device. 495 * We pass the data available in kernelspace on into userland using 496 * uiomove. 497 */ 498static int | 448{ 449 struct ngd_softc *sc = &ngd_softc; 450 struct ngd_connection * connection = NULL; 451 struct ngd_connection * tmp; 452 int error = 0; 453 struct ng_mesg *msg; 454 struct ngd_param_s * datap; 455 --- 35 unchanged lines hidden (view full) --- 491 492 493/* 494 * This function is called when a read(2) is done to our device. 495 * We pass the data available in kernelspace on into userland using 496 * uiomove. 497 */ 498static int |
| 499ngdread(dev_t dev, struct uio *uio, int flag) | 499ngdread(struct cdev *dev, struct uio *uio, int flag) |
| 500{ 501 int ret = 0, amnt; 502 char buffer[uio->uio_resid+1]; 503 struct ngd_softc *sc = &ngd_softc; 504 struct ngd_connection * connection = NULL; 505 struct ngd_connection * tmp; 506 507#ifdef NGD_DEBUG --- 34 unchanged lines hidden (view full) --- 542 543/* 544 * This function is called when our device is written to. 545 * We read the data from userland into our local buffer and pass it on 546 * into the remote hook. 547 * 548 */ 549static int | 500{ 501 int ret = 0, amnt; 502 char buffer[uio->uio_resid+1]; 503 struct ngd_softc *sc = &ngd_softc; 504 struct ngd_connection * connection = NULL; 505 struct ngd_connection * tmp; 506 507#ifdef NGD_DEBUG --- 34 unchanged lines hidden (view full) --- 542 543/* 544 * This function is called when our device is written to. 545 * We read the data from userland into our local buffer and pass it on 546 * into the remote hook. 547 * 548 */ 549static int |
| 550ngdwrite(dev_t dev, struct uio *uio, int flag) | 550ngdwrite(struct cdev *dev, struct uio *uio, int flag) |
| 551{ 552 int ret; 553 int error = 0; 554 struct mbuf *m; 555 char buffer[uio->uio_resid]; 556 int len = uio->uio_resid; 557 struct ngd_softc *sc =& ngd_softc; 558 struct ngd_connection * connection = NULL; --- 33 unchanged lines hidden (view full) --- 592 return(ret); 593} 594 595/* 596 * we are being polled/selected 597 * check if there is data available for read 598 */ 599static int | 551{ 552 int ret; 553 int error = 0; 554 struct mbuf *m; 555 char buffer[uio->uio_resid]; 556 int len = uio->uio_resid; 557 struct ngd_softc *sc =& ngd_softc; 558 struct ngd_connection * connection = NULL; --- 33 unchanged lines hidden (view full) --- 592 return(ret); 593} 594 595/* 596 * we are being polled/selected 597 * check if there is data available for read 598 */ 599static int |
| 600ngdpoll(dev_t dev, int events, struct thread *td) | 600ngdpoll(struct cdev *dev, int events, struct thread *td) |
| 601{ 602 int revents = 0; 603 struct ngd_softc *sc = &ngd_softc; 604 struct ngd_connection * connection = NULL; 605 struct ngd_connection * tmp; 606 607 608 if (events & (POLLIN | POLLRDNORM)) { --- 18 unchanged lines hidden --- | 601{ 602 int revents = 0; 603 struct ngd_softc *sc = &ngd_softc; 604 struct ngd_connection * connection = NULL; 605 struct ngd_connection * tmp; 606 607 608 if (events & (POLLIN | POLLRDNORM)) { --- 18 unchanged lines hidden --- |