sys/netgraph7/bluetooth/drivers/h4/ng_h4_var.h

   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: head/sys/netgraph/bluetooth/drivers/h4/ng_h4_var.h 171818 2007-08-13 17:19:28Z emax $
  32  *
  33  * Based on:
  34  * ---------
  35  *
  36  * FreeBSD: src/sys/netgraph/ng_tty.h
  37  * Author: Archie Cobbs <archie@freebsd.org>
  38  */
  39
  40 #ifndef _NETGRAPH_H4_VAR_H_
  41 #define _NETGRAPH_H4_VAR_H_
  42
  43 /*
  44  * Malloc declaration
  45  */
  46
  47 #ifndef NG_SEPARATE_MALLOC
  48 #if MALLOC_DECLARE
  49 MALLOC_DECLARE(M_NETGRAPH_H4);
  50 #endif
  51 #else
  52 #define M_NETGRAPH_H4 M_NETGRAPH
  53 #endif /* NG_SEPARATE_MALLOC */
  54
  55 /*
  56  * Debug
  57  */
  58
  59 #define NG_H4_ALERT     if (sc->debug >= NG_H4_ALERT_LEVEL) kprintf
  60 #define NG_H4_ERR       if (sc->debug >= NG_H4_ERR_LEVEL)   kprintf
  61 #define NG_H4_WARN      if (sc->debug >= NG_H4_WARN_LEVEL)  kprintf
  62 #define NG_H4_INFO      if (sc->debug >= NG_H4_INFO_LEVEL)  kprintf
  63
  64 #define NG_H4_HIWATER           256     /* High water mark on output */
  65
  66 /*
  67  * Per-node private info
  68  */
  69
  70 typedef struct ng_h4_info {
  71         struct tty              *tp;    /* Terminal device */
  72         node_p                   node;  /* Netgraph node */
  73
  74         ng_h4_node_debug_ep      debug; /* Debug level */
  75         ng_h4_node_state_ep      state; /* State */
  76
  77         ng_h4_node_stat_ep       stat;
  78 #define NG_H4_STAT_PCKTS_SENT(s)        (s).pckts_sent ++
  79 #define NG_H4_STAT_BYTES_SENT(s, n)     (s).bytes_sent += (n)
  80 #define NG_H4_STAT_PCKTS_RECV(s)        (s).pckts_recv ++
  81 #define NG_H4_STAT_BYTES_RECV(s, n)     (s).bytes_recv += (n)
  82 #define NG_H4_STAT_OERROR(s)            (s).oerrors ++
  83 #define NG_H4_STAT_IERROR(s)            (s).ierrors ++
  84 #define NG_H4_STAT_RESET(s)             bzero(&(s), sizeof((s)))
  85
  86         struct ifqueue          outq;   /* Queue of outgoing mbuf's */
  87 #define NG_H4_DEFAULTQLEN        12     /* XXX max number of mbuf's in outq */
  88 #define NG_H4_LOCK(sc)          crit_enter();
  89 #define NG_H4_UNLOCK(sc)        crit_exit();
  90
  91 #define NG_H4_IBUF_SIZE         1024    /* XXX must be big enough to hold full
  92                                            frame */
  93         u_int8_t                 ibuf[NG_H4_IBUF_SIZE]; /* Incoming data */
  94         u_int32_t                got;   /* Number of bytes we have received */
  95         u_int32_t                want;  /* Number of bytes we want to receive */
  96
  97         hook_p                   hook;  /* Upstream hook */
  98         struct callout           timo;  /* See man timeout(9) */
  99
 100         u_int8_t                 dying; /* are we dying? */
 101 } ng_h4_info_t;
 102 typedef ng_h4_info_t *           ng_h4_info_p;
 103
 104 #endif /* _NETGRAPH_H4_VAR_H_ */
 105