summaryrefslogtreecommitdiffstats
path: root/usr.sbin/ppp/mbuf.h
diff options
context:
space:
mode:
authoramurai <amurai@FreeBSD.org>1995-01-31 06:29:58 +0000
committeramurai <amurai@FreeBSD.org>1995-01-31 06:29:58 +0000
commit21ef2761fd1e5a4beb483da8bddf767d36540dce (patch)
tree3aecd1251d1647032ad1455f304eaeeaab4987d0 /usr.sbin/ppp/mbuf.h
parent0487956fcf018d602bfe99b0e3398c6f4d55680a (diff)
downloadFreeBSD-src-21ef2761fd1e5a4beb483da8bddf767d36540dce.zip
FreeBSD-src-21ef2761fd1e5a4beb483da8bddf767d36540dce.tar.gz
Diffstat (limited to 'usr.sbin/ppp/mbuf.h')
-rw-r--r--usr.sbin/ppp/mbuf.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/usr.sbin/ppp/mbuf.h b/usr.sbin/ppp/mbuf.h
new file mode 100644
index 0000000..10cb67e
--- /dev/null
+++ b/usr.sbin/ppp/mbuf.h
@@ -0,0 +1,67 @@
+/*
+ * Written by Toshiharu OHNO (tony-o@iij.ad.jp)
+ *
+ * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the Internet Initiative Japan. The name of the
+ * IIJ may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * $Id:$
+ *
+ * TODO:
+ */
+
+#ifndef _MBUF_H_
+#define _MBUF_H_
+
+struct mbuf {
+ u_char *base; /* pointer to top of buffer space */
+ short size; /* size allocated from base */
+ short offset; /* offset to start position */
+ short cnt; /* available byte count in buffer */
+ short type;
+ struct mbuf *next; /* link to next mbuf */
+ struct mbuf *pnext; /* link to next packet */
+};
+
+struct mqueue {
+ struct mbuf *top;
+ struct mbuf *last;
+ int qlen;
+};
+
+#define NULLBUFF ((struct mbuf *)0)
+
+#define MBUF_CTOP(bp) (bp->base + bp->offset)
+
+#define MB_ASYNC 1
+#define MB_FSM 2
+#define MB_HDLCOUT 3
+#define MB_IPIN 4
+#define MB_ECHO 5
+#define MB_LQR 6
+#define MB_MODEM 7
+#define MB_VJCOMP 8
+#define MB_LOG 9
+#define MB_IPQ 10
+#define MB_MAX MB_IPQ
+
+extern int plength(struct mbuf *bp);
+extern struct mbuf *mballoc(int cnt, int type);
+extern struct mbuf *mbfree(struct mbuf *bp);
+extern void pfree(struct mbuf *bp);
+extern void mbwrite(struct mbuf *bp, u_char *ptr, int cnt);
+extern struct mbuf *mbread(struct mbuf *bp, u_char *ptr, int cnt);
+extern void DumpBp(struct mbuf *bp);
+extern void Enqueue(struct mqueue *queue, struct mbuf *bp);
+extern struct mbuf *Dequeue(struct mqueue *queue);
+#endif
OpenPOWER on IntegriCloud