6 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * $Id: ng_h4_var.h,v 1.5 2005/10/31 17:57:43 max Exp $
31 * $FreeBSD: src/sys/netgraph/bluetooth/drivers/h4/ng_h4_var.h,v 1.6 2007/08/13 17:19:28 emax Exp $
32 * $DragonFly: src/sys/netgraph7/bluetooth/drivers/h4/ng_h4_var.h,v 1.2 2008/06/26 23:05:40 dillon Exp $
37 * FreeBSD: src/sys/netgraph/ng_tty.h
38 * Author: Archie Cobbs <archie@freebsd.org>
41 #ifndef _NETGRAPH_H4_VAR_H_
42 #define _NETGRAPH_H4_VAR_H_
48 #ifndef NG_SEPARATE_MALLOC
49 MALLOC_DECLARE(M_NETGRAPH_H4);
51 #define M_NETGRAPH_H4 M_NETGRAPH
52 #endif /* NG_SEPARATE_MALLOC */
58 #define NG_H4_ALERT if (sc->debug >= NG_H4_ALERT_LEVEL) printf
59 #define NG_H4_ERR if (sc->debug >= NG_H4_ERR_LEVEL) printf
60 #define NG_H4_WARN if (sc->debug >= NG_H4_WARN_LEVEL) printf
61 #define NG_H4_INFO if (sc->debug >= NG_H4_INFO_LEVEL) printf
63 #define NG_H4_HIWATER 256 /* High water mark on output */
66 * Per-node private info
69 typedef struct ng_h4_info {
70 struct tty *tp; /* Terminal device */
71 node_p node; /* Netgraph node */
73 ng_h4_node_debug_ep debug; /* Debug level */
74 ng_h4_node_state_ep state; /* State */
76 ng_h4_node_stat_ep stat;
77 #define NG_H4_STAT_PCKTS_SENT(s) (s).pckts_sent ++
78 #define NG_H4_STAT_BYTES_SENT(s, n) (s).bytes_sent += (n)
79 #define NG_H4_STAT_PCKTS_RECV(s) (s).pckts_recv ++
80 #define NG_H4_STAT_BYTES_RECV(s, n) (s).bytes_recv += (n)
81 #define NG_H4_STAT_OERROR(s) (s).oerrors ++
82 #define NG_H4_STAT_IERROR(s) (s).ierrors ++
83 #define NG_H4_STAT_RESET(s) bzero(&(s), sizeof((s)))
85 struct ifqueue outq; /* Queue of outgoing mbuf's */
86 #define NG_H4_DEFAULTQLEN 12 /* XXX max number of mbuf's in outq */
87 #define NG_H4_LOCK(sc) IF_LOCK(&sc->outq)
88 #define NG_H4_UNLOCK(sc) IF_UNLOCK(&sc->outq)
90 #define NG_H4_IBUF_SIZE 1024 /* XXX must be big enough to hold full
92 u_int8_t ibuf[NG_H4_IBUF_SIZE]; /* Incoming data */
93 u_int32_t got; /* Number of bytes we have received */
94 u_int32_t want; /* Number of bytes we want to receive */
96 hook_p hook; /* Upstream hook */
97 struct callout timo; /* See man timeout(9) */
99 u_int8_t dying; /* are we dying? */
101 typedef ng_h4_info_t * ng_h4_info_p;
103 #endif /* _NETGRAPH_H4_VAR_H_ */