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/*
* ng_h4_var.h
*/
/*-
* Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: ng_h4_var.h,v 1.5 2005/10/31 17:57:43 max Exp $
* $FreeBSD: release/9.1.0/sys/netgraph/bluetooth/drivers/h4/ng_h4_var.h 171818 2007-08-13 17:19:28Z emax $
*
* Based on:
* ---------
*
* FreeBSD: src/sys/netgraph/ng_tty.h
* Author: Archie Cobbs <archie@freebsd.org>
*/
#ifndef _NETGRAPH_H4_VAR_H_
#define _NETGRAPH_H4_VAR_H_
/*
* Malloc declaration
*/
#ifndef NG_SEPARATE_MALLOC
MALLOC_DECLARE(M_NETGRAPH_H4);
#else
#define M_NETGRAPH_H4 M_NETGRAPH
#endif /* NG_SEPARATE_MALLOC */
/*
* Debug
*/
#define NG_H4_ALERT if (sc->debug >= NG_H4_ALERT_LEVEL) printf
#define NG_H4_ERR if (sc->debug >= NG_H4_ERR_LEVEL) printf
#define NG_H4_WARN if (sc->debug >= NG_H4_WARN_LEVEL) printf
#define NG_H4_INFO if (sc->debug >= NG_H4_INFO_LEVEL) printf
#define NG_H4_HIWATER 256 /* High water mark on output */
/*
* Per-node private info
*/
typedef struct ng_h4_info {
struct tty *tp; /* Terminal device */
node_p node; /* Netgraph node */
ng_h4_node_debug_ep debug; /* Debug level */
ng_h4_node_state_ep state; /* State */
ng_h4_node_stat_ep stat;
#define NG_H4_STAT_PCKTS_SENT(s) (s).pckts_sent ++
#define NG_H4_STAT_BYTES_SENT(s, n) (s).bytes_sent += (n)
#define NG_H4_STAT_PCKTS_RECV(s) (s).pckts_recv ++
#define NG_H4_STAT_BYTES_RECV(s, n) (s).bytes_recv += (n)
#define NG_H4_STAT_OERROR(s) (s).oerrors ++
#define NG_H4_STAT_IERROR(s) (s).ierrors ++
#define NG_H4_STAT_RESET(s) bzero(&(s), sizeof((s)))
struct ifqueue outq; /* Queue of outgoing mbuf's */
#define NG_H4_DEFAULTQLEN 12 /* XXX max number of mbuf's in outq */
#define NG_H4_LOCK(sc) IF_LOCK(&sc->outq)
#define NG_H4_UNLOCK(sc) IF_UNLOCK(&sc->outq)
#define NG_H4_IBUF_SIZE 1024 /* XXX must be big enough to hold full
frame */
u_int8_t ibuf[NG_H4_IBUF_SIZE]; /* Incoming data */
u_int32_t got; /* Number of bytes we have received */
u_int32_t want; /* Number of bytes we want to receive */
hook_p hook; /* Upstream hook */
struct callout timo; /* See man timeout(9) */
u_int8_t dying; /* are we dying? */
} ng_h4_info_t;
typedef ng_h4_info_t * ng_h4_info_p;
#endif /* _NETGRAPH_H4_VAR_H_ */