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Diffstat (limited to 'src/link.h')
| -rw-r--r-- | src/link.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/link.h b/src/link.h new file mode 100644 index 0000000..e824d7d --- /dev/null +++ b/src/link.h @@ -0,0 +1,81 @@ +/*- + * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> + * 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. + * + * $FreeBSD: src/usr.sbin/ppp/link.h,v 1.11.34.1 2010/12/21 17:10:29 kensmith Exp $ + * + */ + + +#define PHYSICAL_LINK 1 +#define LOGICAL_LINK 2 + +#define NPROTOSTAT 13 + +struct bundle; +struct prompt; +struct cmdargs; + +struct link { + int type; /* _LINK type */ + const char *name; /* Points to datalink::name */ + int len; /* full size of parent struct */ + struct { + unsigned gather : 1; /* Gather statistics ourself ? */ + struct pppThroughput total; /* Link throughput statistics */ + struct pppThroughput *parent; /* MP link throughput statistics */ + } stats; + struct mqueue Queue[2]; /* Our output queue of mbufs */ + + u_long proto_in[NPROTOSTAT]; /* outgoing protocol stats */ + u_long proto_out[NPROTOSTAT]; /* incoming protocol stats */ + + struct lcp lcp; /* Our line control FSM */ + struct ccp ccp; /* Our compression FSM */ + + struct layer const *layer[LAYER_MAX]; /* i/o layers */ + int nlayers; +}; + +#define LINK_QUEUES(link) (sizeof (link)->Queue / sizeof (link)->Queue[0]) +#define LINK_HIGHQ(link) ((link)->Queue + LINK_QUEUES(link) - 1) + +extern void link_SequenceQueue(struct link *); +extern void link_DeleteQueue(struct link *); +extern size_t link_QueueLen(struct link *); +extern size_t link_QueueBytes(struct link *); +extern void link_PendingLowPriorityData(struct link *, size_t *, size_t *); +extern struct mbuf *link_Dequeue(struct link *); + +extern void link_PushPacket(struct link *, struct mbuf *, struct bundle *, + int, u_short); +extern void link_PullPacket(struct link *, char *, size_t, struct bundle *); +extern int link_Stack(struct link *, struct layer *); +extern void link_EmptyStack(struct link *); + +#define PROTO_IN 1 /* third arg to link_ProtocolRecord */ +#define PROTO_OUT 2 +extern void link_ProtocolRecord(struct link *, u_short, int); +extern void link_ReportProtocolStatus(struct link *, struct prompt *); +extern int link_ShowLayers(struct cmdargs const *); |