3 * ===================================
4 * HARP | Host ATM Research Platform
5 * ===================================
8 * This Host ATM Research Platform ("HARP") file (the "Software") is
9 * made available by Network Computing Services, Inc. ("NetworkCS")
10 * "AS IS". NetworkCS does not provide maintenance, improvements or
11 * support of any kind.
13 * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
14 * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
15 * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
16 * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
17 * In no event shall NetworkCS be responsible for any damages, including
18 * but not limited to consequential damages, arising from or relating to
19 * any use of the Software or related support.
21 * Copyright 1994-1998 Network Computing Services, Inc.
23 * Copies of this Software may be made, however, the above copyright
24 * notice must be reproduced on all copies.
26 * @(#) $FreeBSD: src/sys/netatm/uni/qsaal1_subr.c,v 1.4 2000/01/17 20:49:50 mks Exp $
27 * @(#) $DragonFly: src/sys/netproto/atm/uni/qsaal1_subr.c,v 1.3 2003/08/07 21:17:35 dillon Exp $
31 * ATM Forum UNI Support
32 * ---------------------
34 * ITU-T Q.SAAL1 - Subroutines
38 #include <netatm/kern_include.h>
41 #include "sscop_misc.h"
42 #include "sscop_var.h"
45 * Re-establish a new SSCOP Connection
48 * sop pointer to sscop connection block
55 qsaal1_reestablish(sop)
62 sop->so_timer[SSCOP_T_POLL] = 0;
63 sop->so_timer[SSCOP_T_NORESP] = 0;
64 sop->so_flags &= ~SOF_KEEPALIVE;
67 * Note that we're reestablishing a connection
69 sop->so_flags |= SOF_REESTAB;
75 (void) sscop_send_bgn(sop, SSCOP_SOURCE_SSCOP);
78 * Reset transmit variables
80 qsaal1_reset_xmit(sop);
83 * Set retransmit timer
85 sop->so_timer[SSCOP_T_CC] = sop->so_parm.sp_timecc;
90 sop->so_state = SOS_OUTCONN;
97 * Reset connection's transmitter state
100 * sop pointer to sscop connection block
107 qsaal1_reset_xmit(sop)
112 * Drain the transmission queues
114 sscop_xmit_drain(sop);
117 * Reset transmit variables
119 SEQ_SET(sop->so_send, 0);
120 SEQ_SET(sop->so_pollsend, 0);
121 SEQ_SET(sop->so_ack, 0);
122 SEQ_SET(sop->so_pollack, 0);
123 if (sop->so_state != SOS_INCONN)
124 SEQ_SET(sop->so_sendmax, 0);
125 sop->so_polldata = 0;
132 * Reset connection's receiver state
135 * sop pointer to sscop connection block
142 qsaal1_reset_rcvr(sop)
147 * Drain the receiver queues
149 sscop_rcvr_drain(sop);
152 * Reset transmit variables
154 SEQ_SET(sop->so_rcvnext, 0);
155 SEQ_SET(sop->so_rcvhigh, 0);
156 SEQ_SET(sop->so_rcvmax, sop->so_parm.sp_rcvwin);
163 * Clear connection's connection data
166 * sop pointer to sscop connection block
173 qsaal1_clear_connection(sop)
178 * Can we clear transmit buffers ??
180 if ((sop->so_flags & SOF_NOCLRBUF) == 0) {
182 * Yes, drain the transmission queues
184 sscop_xmit_drain(sop);
188 * Clear service required flag
190 sop->so_flags &= ~SOF_XMITSRVC;
193 * Drain receive queue buffers
195 sscop_rcvr_drain(sop);