* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES
*
- * Copyright (c) 1994 The Australian National University.
- * All rights reserved.
+ * Copyright (c) 1994 Paul Mackerras. All rights reserved.
*
- * Permission to use, copy, modify, and distribute this software and its
- * documentation is hereby granted, provided that the above copyright
- * notice appears in all copies. This software is provided without any
- * warranty, express or implied. The Australian National University
- * makes no representations about the suitability of this software for
- * any purpose.
+ * 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.
+ *
+ * 3. The name(s) of the authors of this software must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission.
*
- * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY
- * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
- * THE AUSTRALIAN NATIONAL UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
+ * 4. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by Paul Mackerras
+ * <paulus@samba.org>".
+ *
+ * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO
* OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
* OR MODIFICATIONS.
- *
- * $Id: ppp_ahdlc.c,v 1.12 2000/01/21 01:04:56 masputra Exp $
*/
/*
#define USE_MUTEX
#endif /* SOL2 */
+/*
+ * intpointer_t and uintpointer_t are signed and unsigned integer types
+ * large enough to hold any data pointer; that is, data pointers can be
+ * assigned into or from these integer types without losing precision.
+ * On recent Solaris releases, these types are defined in sys/int_types.h,
+ * but not on SunOS 4.x or the earlier Solaris versions.
+ */
+#if defined(_LP64) || defined(_I32LPx)
+typedef long intpointer_t;
+typedef unsigned long uintpointer_t;
+#else
+typedef int intpointer_t;
+typedef unsigned int uintpointer_t;
+#endif
+
MOD_OPEN_DECL(ahdlc_open);
MOD_CLOSE_DECL(ahdlc_close);
-static int ahdlc_wput __P((queue_t *, mblk_t *));
-static int ahdlc_rput __P((queue_t *, mblk_t *));
-static void ahdlc_encode __P((queue_t *, mblk_t *));
-static void ahdlc_decode __P((queue_t *, mblk_t *));
-static int msg_byte __P((mblk_t *, unsigned int));
+static int ahdlc_wput(queue_t *, mblk_t *);
+static int ahdlc_rput(queue_t *, mblk_t *);
+static void ahdlc_encode(queue_t *, mblk_t *);
+static void ahdlc_decode(queue_t *, mblk_t *);
+static int msg_byte(mblk_t *, unsigned int);
#if defined(SOL2)
/*
&winit, /* ptr to st_wrinit */
NULL, /* ptr to st_muxrinit */
NULL, /* ptr to st_muxwinit */
-#ifdef _SunOS4
+#if defined(SUNOS4)
NULL /* ptr to ptr to st_modlist */
-#endif /* _SunOS4 */
+#endif /* SUNOS4 */
};
+#if defined(SUNOS4)
+int ppp_ahdlc_count = 0; /* open counter */
+#endif /* SUNOS4 */
+
/*
* Per-stream state structure
*/
mutex_exit(&state->lock);
#endif /* USE_MUTEX */
+#if defined(SUNOS4)
+ ppp_ahdlc_count++;
+#endif /* SUNOS4 */
+
qprocson(q);
return 0;
FREE(q->q_ptr, sizeof(ahdlc_state_t));
q->q_ptr = NULL;
OTHERQ(q)->q_ptr = NULL;
+
+#if defined(SUNOS4)
+ if (ppp_ahdlc_count)
+ ppp_ahdlc_count--;
+#endif /* SUNOS4 */
return 0;
}
switch (mp->b_datap->db_type) {
case M_DATA:
ahdlc_decode(q, mp);
- freemsg(mp);
break;
case M_HANGUP:
* the system's LBOLT value in clock ticks
*/
if (drv_getparm(LBOLT, &lbolt) != -1) {
- if (ABS((clock32_t)lbolt - state->lbolt) > state->flag_time) {
+ if (ABS((clock_t)lbolt - state->lbolt) > state->flag_time) {
*outmp->b_wptr++ = PPP_FLAG;
}
state->lbolt = lbolt;
#define IN_RX_MAP(c, m) ((((unsigned int) (uchar_t) (c)) < 0x20) && \
(m) & (1 << (c)))
+
/*
* Process received characters.
*/
mblk_t *mp;
{
ahdlc_state_t *state;
- mblk_t *om, *zmp;
+ mblk_t *om;
uchar_t *dp;
- ushort_t fcs;
-
- /*
- * In case the driver (or something below) doesn't send
- * data upstream in one message block, concatenate everything
- */
- if (!((mp->b_wptr - mp->b_rptr == msgdsize(mp)) &&
- ((intptr_t)mp->b_rptr % sizeof(intptr_t) == 0))) {
-
- zmp = msgpullup(mp, -1);
- freemsg(mp);
- mp = zmp;
- if (mp == 0)
- return;
- }
state = (ahdlc_state_t *) q->q_ptr;
state->stats.ppp_ibytes += msgdsize(mp);
+ for (; mp != 0; om = mp->b_cont, freeb(mp), mp = om)
for (dp = mp->b_rptr; dp < mp->b_wptr; dp++) {
/*