1 /* 2 * ng_h4_var.h 3 */ 4 5 /*- 6 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 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. 17 * 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 28 * SUCH DAMAGE. 29 * 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 $ 33 * 34 * Based on: 35 * --------- 36 * 37 * FreeBSD: src/sys/netgraph/ng_tty.h 38 * Author: Archie Cobbs <archie@freebsd.org> 39 */ 40 41 #ifndef _NETGRAPH_H4_VAR_H_ 42 #define _NETGRAPH_H4_VAR_H_ 43 44 /* 45 * Malloc declaration 46 */ 47 48 #ifndef NG_SEPARATE_MALLOC 49 MALLOC_DECLARE(M_NETGRAPH_H4); 50 #else 51 #define M_NETGRAPH_H4 M_NETGRAPH 52 #endif /* NG_SEPARATE_MALLOC */ 53 54 /* 55 * Debug 56 */ 57 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 62 63 #define NG_H4_HIWATER 256 /* High water mark on output */ 64 65 /* 66 * Per-node private info 67 */ 68 69 typedef struct ng_h4_info { 70 struct tty *tp; /* Terminal device */ 71 node_p node; /* Netgraph node */ 72 73 ng_h4_node_debug_ep debug; /* Debug level */ 74 ng_h4_node_state_ep state; /* State */ 75 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))) 84 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) 89 90 #define NG_H4_IBUF_SIZE 1024 /* XXX must be big enough to hold full 91 frame */ 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 */ 95 96 hook_p hook; /* Upstream hook */ 97 struct callout timo; /* See man timeout(9) */ 98 99 u_int8_t dying; /* are we dying? */ 100 } ng_h4_info_t; 101 typedef ng_h4_info_t * ng_h4_info_p; 102 103 #endif /* _NETGRAPH_H4_VAR_H_ */ 104 105