| ng_tty.c (68876) | ng_tty.c (69922) |
|---|---|
| 1 2/* 3 * ng_tty.c 4 * 5 * Copyright (c) 1996-1999 Whistle Communications, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and --- 22 unchanged lines hidden (view full) --- 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 * 37 * Author: Archie Cobbs <archie@freebsd.org> 38 * | 1 2/* 3 * ng_tty.c 4 * 5 * Copyright (c) 1996-1999 Whistle Communications, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and --- 22 unchanged lines hidden (view full) --- 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 * 37 * Author: Archie Cobbs <archie@freebsd.org> 38 * |
| 39 * $FreeBSD: head/sys/netgraph/ng_tty.c 68876 2000-11-18 15:17:43Z dwmalone $ | 39 * $FreeBSD: head/sys/netgraph/ng_tty.c 69922 2000-12-12 18:52:14Z julian $ |
| 40 * $Whistle: ng_tty.c,v 1.21 1999/11/01 09:24:52 julian Exp $ 41 */ 42 43/* 44 * This file implements a terminal line discipline that is also a 45 * netgraph node. Installing this line discipline on a terminal device 46 * instantiates a new netgraph node of this type, which allows access 47 * to the device via the "hook" hook of the node. --- 81 unchanged lines hidden (view full) --- 129static int ngt_input(int c, struct tty *tp); 130static int ngt_start(struct tty *tp); 131 132/* Netgraph methods */ 133static ng_constructor_t ngt_constructor; 134static ng_rcvmsg_t ngt_rcvmsg; 135static ng_shutdown_t ngt_shutdown; 136static ng_newhook_t ngt_newhook; | 40 * $Whistle: ng_tty.c,v 1.21 1999/11/01 09:24:52 julian Exp $ 41 */ 42 43/* 44 * This file implements a terminal line discipline that is also a 45 * netgraph node. Installing this line discipline on a terminal device 46 * instantiates a new netgraph node of this type, which allows access 47 * to the device via the "hook" hook of the node. --- 81 unchanged lines hidden (view full) --- 129static int ngt_input(int c, struct tty *tp); 130static int ngt_start(struct tty *tp); 131 132/* Netgraph methods */ 133static ng_constructor_t ngt_constructor; 134static ng_rcvmsg_t ngt_rcvmsg; 135static ng_shutdown_t ngt_shutdown; 136static ng_newhook_t ngt_newhook; |
| 137static ng_connect_t ngt_connect; |
|
| 137static ng_rcvdata_t ngt_rcvdata; 138static ng_disconnect_t ngt_disconnect; 139static int ngt_mod_event(module_t mod, int event, void *data); 140 141/* Other stuff */ 142static void ngt_timeout(void *arg); 143 144#define ERROUT(x) do { error = (x); goto done; } while (0) --- 16 unchanged lines hidden (view full) --- 161 NG_VERSION, 162 NG_TTY_NODE_TYPE, 163 ngt_mod_event, 164 ngt_constructor, 165 ngt_rcvmsg, 166 ngt_shutdown, 167 ngt_newhook, 168 NULL, | 138static ng_rcvdata_t ngt_rcvdata; 139static ng_disconnect_t ngt_disconnect; 140static int ngt_mod_event(module_t mod, int event, void *data); 141 142/* Other stuff */ 143static void ngt_timeout(void *arg); 144 145#define ERROUT(x) do { error = (x); goto done; } while (0) --- 16 unchanged lines hidden (view full) --- 162 NG_VERSION, 163 NG_TTY_NODE_TYPE, 164 ngt_mod_event, 165 ngt_constructor, 166 ngt_rcvmsg, 167 ngt_shutdown, 168 ngt_newhook, 169 NULL, |
| 169 NULL, | 170 ngt_connect, |
| 170 ngt_rcvdata, | 171 ngt_rcvdata, |
| 171 ngt_rcvdata, | |
| 172 ngt_disconnect, 173 NULL 174}; 175NETGRAPH_INIT(tty, &typestruct); 176 177static int ngt_unit; 178static int ngt_nodeop_ok; /* OK to create/remove node */ 179static int ngt_ldisc; --- 209 unchanged lines hidden (view full) --- 389 *mtod(m, u_char *) = c; 390 m->m_data++; 391 m->m_len++; 392 m->m_pkthdr.len++; 393 394 /* Ship off mbuf if it's time */ 395 if (sc->hotchar == -1 || c == sc->hotchar || m->m_len >= MHLEN) { 396 m->m_data = m->m_pktdat; | 172 ngt_disconnect, 173 NULL 174}; 175NETGRAPH_INIT(tty, &typestruct); 176 177static int ngt_unit; 178static int ngt_nodeop_ok; /* OK to create/remove node */ 179static int ngt_ldisc; --- 209 unchanged lines hidden (view full) --- 389 *mtod(m, u_char *) = c; 390 m->m_data++; 391 m->m_len++; 392 m->m_pkthdr.len++; 393 394 /* Ship off mbuf if it's time */ 395 if (sc->hotchar == -1 || c == sc->hotchar || m->m_len >= MHLEN) { 396 m->m_data = m->m_pktdat; |
| 397 error = ng_queue_data(sc->hook, m, NULL); | 397 NG_SEND_DATA_ONLY(error, sc->hook, m); |
| 398 sc->m = NULL; 399 } 400done: 401 splx(s); 402 return (error); 403} 404 405/* --- 110 unchanged lines hidden (view full) --- 516 ERROUT(EISCONN); 517 sc->hook = hook; 518done: 519 splx(s); 520 return (error); 521} 522 523/* | 398 sc->m = NULL; 399 } 400done: 401 splx(s); 402 return (error); 403} 404 405/* --- 110 unchanged lines hidden (view full) --- 516 ERROUT(EISCONN); 517 sc->hook = hook; 518done: 519 splx(s); 520 return (error); 521} 522 523/* |
| 524 * set the hooks into queueing mode (for outgoing packets) 525 */ 526static int 527ngt_connect(hook_p hook) 528{ 529 hook->peer->flags |= HK_QUEUE; 530 return (0); 531} 532 533/* |
|
| 524 * Disconnect the hook 525 */ 526static int 527ngt_disconnect(hook_p hook) 528{ 529 const sc_p sc = hook->node->private; 530 int s; 531 --- 30 unchanged lines hidden (view full) --- 562} 563 564/* 565 * Receive incoming data from netgraph system. Put it on our 566 * output queue and start output if necessary. 567 */ 568static int 569ngt_rcvdata(hook_p hook, struct mbuf *m, meta_p meta, | 534 * Disconnect the hook 535 */ 536static int 537ngt_disconnect(hook_p hook) 538{ 539 const sc_p sc = hook->node->private; 540 int s; 541 --- 30 unchanged lines hidden (view full) --- 572} 573 574/* 575 * Receive incoming data from netgraph system. Put it on our 576 * output queue and start output if necessary. 577 */ 578static int 579ngt_rcvdata(hook_p hook, struct mbuf *m, meta_p meta, |
| 570 struct mbuf **ret_m, meta_p *ret_meta) | 580 struct mbuf **ret_m, meta_p *ret_meta, struct ng_mesg **resp) |
| 571{ 572 const sc_p sc = hook->node->private; 573 int s, error = 0; 574 575 if (hook != sc->hook) 576 panic(__FUNCTION__); 577 NG_FREE_META(meta); 578 s = spltty(); --- 109 unchanged lines hidden --- | 581{ 582 const sc_p sc = hook->node->private; 583 int s, error = 0; 584 585 if (hook != sc->hook) 586 panic(__FUNCTION__); 587 NG_FREE_META(meta); 588 s = spltty(); --- 109 unchanged lines hidden --- |