101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
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/*
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* ng_h4_var.h
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*
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* Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: ng_h4_var.h,v 1.14 2002/11/03 02:16:31 max Exp $
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* $FreeBSD$
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*
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* Based on:
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* ---------
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*
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* FreeBSD: src/sys/netgraph/ng_tty.h
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* Author: Archie Cobbs <archie@freebsd.org>
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*/
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#ifndef _NETGRAPH_H4_VAR_H_
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#define _NETGRAPH_H4_VAR_H_ 1
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/*
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* Malloc declaration
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*/
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#ifndef NG_SEPARATE_MALLOC
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MALLOC_DECLARE(M_NETGRAPH_H4);
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#else
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#define M_NETGRAPH_H4 M_NETGRAPH
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#endif /* NG_SEPARATE_MALLOC */
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/*
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* Debug
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*/
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#define NG_H4_ALERT if (sc->debug >= NG_H4_ALERT_LEVEL) printf
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#define NG_H4_ERR if (sc->debug >= NG_H4_ERR_LEVEL) printf
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#define NG_H4_WARN if (sc->debug >= NG_H4_WARN_LEVEL) printf
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#define NG_H4_INFO if (sc->debug >= NG_H4_INFO_LEVEL) printf
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#define NG_H4_HIWATER 256 /* High water mark on output */
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/*
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* Per-node private info
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*/
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typedef struct ng_h4_info {
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struct tty *tp; /* Terminal device */
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node_p node; /* Netgraph node */
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u_int32_t flags; /* Flags */
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#define NG_H4_TIMEOUT (1 << 0) /* A timeout is pending */
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ng_h4_node_debug_ep debug; /* Debug level */
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ng_h4_node_state_ep state; /* State */
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ng_h4_node_stat_ep stat;
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#define NG_H4_STAT_PCKTS_SENT(s) (s).pckts_sent ++
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#define NG_H4_STAT_BYTES_SENT(s, n) (s).bytes_sent += (n)
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#define NG_H4_STAT_PCKTS_RECV(s) (s).pckts_recv ++
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#define NG_H4_STAT_BYTES_RECV(s, n) (s).bytes_recv += (n)
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#define NG_H4_STAT_OERROR(s) (s).oerrors ++
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#define NG_H4_STAT_IERROR(s) (s).ierrors ++
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#define NG_H4_STAT_RESET(s) bzero(&(s), sizeof((s)))
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ng_bt_mbufq_t outq; /* Queue of outgoing mbuf's */
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#define NG_H4_DEFAULTQLEN 12 /* XXX max number of mbuf's in outq */
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#define NG_H4_IBUF_SIZE 1024 /* XXX must be big enough to hold full
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frame */
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u_int8_t ibuf[NG_H4_IBUF_SIZE]; /* Incoming data */
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u_int32_t got; /* Number of bytes we have received */
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u_int32_t want; /* Number of bytes we want to receive */
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hook_p hook; /* Upstream hook */
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struct callout_handle timo; /* See man timeout(9) */
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} ng_h4_info_t;
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typedef ng_h4_info_t * ng_h4_info_p;
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#endif /* _NETGRAPH_H4_VAR_H_ */
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