Add new files for HARP3

Host ATM Research Platform (HARP), Network Computing Services, Inc.
This software was developed with the support of the Defense Advanced
Research Projects Agency (DARPA).

1 files changed, 379 insertions, 0 deletions

diff --git a/sys/netatm/uni/sscf_uni_lower.c b/sys/netatm/uni/sscf_uni_lower.c
new file mode 100644
index 0000000..fe2d839
--- /dev/null
+++ b/sys/netatm/uni/sscf_uni_lower.c
@@ -0,0 +1,379 @@
+/*
+ *
+ * ===================================
+ * HARP  |  Host ATM Research Platform
+ * ===================================
+ *
+ *
+ * This Host ATM Research Platform ("HARP") file (the "Software") is
+ * made available by Network Computing Services, Inc. ("NetworkCS")
+ * "AS IS".  NetworkCS does not provide maintenance, improvements or
+ * support of any kind.
+ *
+ * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
+ * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
+ * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
+ * In no event shall NetworkCS be responsible for any damages, including
+ * but not limited to consequential damages, arising from or relating to
+ * any use of the Software or related support.
+ *
+ * Copyright 1994-1998 Network Computing Services, Inc.
+ *
+ * Copies of this Software may be made, however, the above copyright
+ * notice must be reproduced on all copies.
+ *
+ *	@(#) $Id: sscf_uni_lower.c,v 1.6 1998/04/07 23:23:26 mks Exp $
+ *
+ */
+
+/*
+ * ATM Forum UNI Support
+ * ---------------------
+ *
+ * SSCF UNI - SSCF_UNI SAP interface processing
+ *
+ */
+
+#ifndef lint
+static char *RCSid = "@(#) $Id: sscf_uni_lower.c,v 1.6 1998/04/07 23:23:26 mks Exp $";
+#endif
+
+#include <netatm/kern_include.h>
+
+#include <netatm/uni/uni.h>
+#include <netatm/uni/sscop.h>
+#include <netatm/uni/sscf_uni.h>
+#include <netatm/uni/sscf_uni_var.h>
+
+
+/*
+ * Local variables
+ */
+static struct sscop_parms	sscf_uni_sscop_parms = {
+	4096,				/* sp_maxinfo */
+	4096,				/* sp_maxuu */
+	4,				/* sp_maxcc */
+	25,				/* sp_maxpd */
+	1 * ATM_HZ,			/* sp_timecc */
+	2 * ATM_HZ,			/* sp_timekeep */
+	7 * ATM_HZ,			/* sp_timeresp */
+	1 * ATM_HZ,			/* sp_timepoll */
+	15 * ATM_HZ,			/* sp_timeidle */
+	80				/* sp_rcvwin */
+};
+
+
+/*
+ * SSCF_UNI Lower Stack Command Handler
+ * 
+ * This function will receive all of the stack commands issued from the 
+ * layer above SSCF UNI (ie. Q.2931).
+ *
+ * Arguments:
+ *	cmd	stack command code
+ *	tok	session token
+ *	arg1	command specific argument
+ *	arg2	command specific argument
+ *
+ * Returns:
+ *	none
+ *
+ */
+void
+sscf_uni_lower(cmd, tok, arg1, arg2)
+	int	cmd;
+	void	*tok;
+	int	arg1;
+	int	arg2;
+{
+	struct univcc	*uvp = (struct univcc *)tok;
+	Atm_connvc	*cvp = uvp->uv_connvc;
+	enum sscop_vers	vers;
+	int		err;
+
+	ATM_DEBUG5("sscf_uni_lower: cmd=0x%x, uvp=0x%x, ustate=%d, arg1=0x%x, arg2=0x%x\n",
+		cmd, (int)uvp, uvp->uv_ustate, arg1, arg2);
+
+	switch (cmd) {
+
+	case SSCF_UNI_INIT:
+		/*
+		 * Validate state
+		 */
+		if (uvp->uv_ustate != UVU_INST) {
+			log(LOG_ERR, "sscf_uni_lower: SSCF_INIT in ustate=%d\n",
+				uvp->uv_ustate);
+			sscf_uni_abort(uvp, "sscf_uni: sequence err\n");
+			break;
+		}
+
+		/*
+		 * Validate UNI version
+		 */
+		if ((enum uni_vers)arg1 == UNI_VERS_3_0)
+			vers = SSCOP_VERS_QSAAL;
+		else if ((enum uni_vers)arg1 == UNI_VERS_3_1)
+			vers = SSCOP_VERS_Q2110;
+		else {
+			sscf_uni_abort(uvp, "sscf_uni: bad version\n");
+			break;
+		}
+		uvp->uv_vers = (enum uni_vers)arg1;
+
+		/*
+		 * Make ourselves ready and pass on the INIT
+		 */
+		uvp->uv_ustate = UVU_RELEASED;
+		uvp->uv_lstate = UVL_IDLE;
+
+		STACK_CALL(SSCOP_INIT, uvp->uv_lower, uvp->uv_tokl, cvp, 
+			(int)vers, (int)&sscf_uni_sscop_parms, err);
+		if (err) {
+			/*
+			 * Should never happen
+			 */
+			sscf_uni_abort(uvp, "sscf_uni: INIT failure\n");
+		}
+		break;
+
+	case SSCF_UNI_TERM:
+		/*
+		 * Set termination states
+		 */
+		uvp->uv_ustate = UVU_TERM;
+		uvp->uv_lstate = UVL_TERM;
+
+		/*
+		 * Pass the TERM down the stack
+		 */
+		STACK_CALL(SSCOP_TERM, uvp->uv_lower, uvp->uv_tokl, cvp,
+			0, 0, err);
+		if (err) {
+			/*
+			 * Should never happen
+			 */
+			sscf_uni_abort(uvp, "sscf_uni: TERM failure\n");
+			return;
+		}
+		atm_free((caddr_t)uvp);
+		sscf_uni_vccnt--;
+		break;
+
+	case SSCF_UNI_ESTABLISH_REQ:
+		/*
+		 * Validation based on user state
+		 */
+		switch (uvp->uv_ustate) {
+
+		case UVU_RELEASED:
+		case UVU_PRELEASE:
+			/*
+			 * Establishing a new connection
+			 */
+			uvp->uv_ustate = UVU_PACTIVE;
+			uvp->uv_lstate = UVL_OUTCONN;
+			STACK_CALL(SSCOP_ESTABLISH_REQ, uvp->uv_lower, 
+				uvp->uv_tokl, cvp, 
+				SSCOP_UU_NULL, SSCOP_BR_YES, err);
+			if (err) {
+				sscf_uni_abort(uvp, "sscf_uni: stack memory\n");
+				return;
+			}
+			break;
+
+		case UVU_ACTIVE:
+			/*
+			 * Resynchronizing a connection
+			 */
+			uvp->uv_ustate = UVU_PACTIVE;
+			if (uvp->uv_vers == UNI_VERS_3_0) {
+				uvp->uv_lstate = UVL_OUTCONN;
+				STACK_CALL(SSCOP_ESTABLISH_REQ, uvp->uv_lower, 
+					uvp->uv_tokl, cvp, 
+					SSCOP_UU_NULL, SSCOP_BR_YES, err);
+			} else {
+				uvp->uv_lstate = UVL_OUTRESYN;
+				STACK_CALL(SSCOP_RESYNC_REQ, uvp->uv_lower, 
+					uvp->uv_tokl, cvp, 
+					SSCOP_UU_NULL, 0, err);
+			}
+			if (err) {
+				sscf_uni_abort(uvp, "sscf_uni: stack memory\n");
+				return;
+			}
+			break;
+
+		case UVU_TERM:
+			/* Ignore */
+			break;
+
+		case UVU_INST:
+		case UVU_PACTIVE:
+		default:
+			log(LOG_ERR, "sscf_uni_lower: cmd=0x%x, ustate=%d\n",
+				cmd, uvp->uv_ustate);
+			sscf_uni_abort(uvp, "sscf_uni: sequence err\n");
+		}
+		break;
+
+	case SSCF_UNI_RELEASE_REQ:
+		/*
+		 * Validate re-establishment parameter
+		 */
+		switch (arg1) {
+
+		case SSCF_UNI_ESTIND_YES:
+			uvp->uv_flags &= ~UVF_NOESTIND;
+			break;
+
+		case SSCF_UNI_ESTIND_NO:
+			uvp->uv_flags |= UVF_NOESTIND;
+			break;
+
+		default:
+			sscf_uni_abort(uvp, "sscf_uni: bad estind value\n");
+			return;
+		}
+
+		/*
+		 * Validation based on user state
+		 */
+		switch (uvp->uv_ustate) {
+
+		case UVU_RELEASED:
+			/*
+			 * Releasing a non-existant connection
+			 */
+			STACK_CALL(SSCF_UNI_RELEASE_CNF, uvp->uv_upper, 
+				uvp->uv_toku, cvp, 
+				0, 0, err);
+			if (err) {
+				sscf_uni_abort(uvp, "sscf_uni: stack memory\n");
+				return;
+			}
+			break;
+
+		case UVU_PACTIVE:
+		case UVU_ACTIVE:
+			/*
+			 * Releasing a connection
+			 */
+			uvp->uv_ustate = UVU_PRELEASE;
+			uvp->uv_lstate = UVL_OUTDISC;
+			STACK_CALL(SSCOP_RELEASE_REQ, uvp->uv_lower, 
+				uvp->uv_tokl, cvp, 
+				SSCOP_UU_NULL, 0, err);
+			if (err) {
+				sscf_uni_abort(uvp, "sscf_uni: stack memory\n");
+				return;
+			}
+			break;
+
+		case UVU_TERM:
+			/* Ignore */
+			break;
+
+		case UVU_INST:
+		case UVU_PRELEASE:
+		default:
+			log(LOG_ERR, "sscf_uni_lower: cmd=0x%x, ustate=%d\n",
+				cmd, uvp->uv_ustate);
+			sscf_uni_abort(uvp, "sscf_uni: sequence err\n");
+		}
+		break;
+
+	case SSCF_UNI_DATA_REQ:
+#ifdef notdef
+		sscf_uni_pdu_print(uvp, (KBuffer *)arg1, "DATA_REQ");
+#endif
+
+		/*
+		 * Validation based on user state
+		 */
+		switch (uvp->uv_ustate) {
+
+		case UVU_ACTIVE:
+			/*
+			 * Send assured data on connection
+			 */
+			STACK_CALL(SSCOP_DATA_REQ, uvp->uv_lower, 
+				uvp->uv_tokl, cvp, 
+				arg1, 0, err);
+			if (err) {
+				KB_FREEALL((KBuffer *)arg1);
+				sscf_uni_abort(uvp, "sscf_uni: stack memory\n");
+				return;
+			}
+			break;
+
+		case UVU_RELEASED:
+		case UVU_TERM:
+			/*
+			 * Release supplied buffers and ignore
+			 */
+			KB_FREEALL((KBuffer *)arg1);
+			break;
+
+		case UVU_INST:
+		case UVU_PACTIVE:
+		case UVU_PRELEASE:
+		default:
+			KB_FREEALL((KBuffer *)arg1);
+			log(LOG_ERR, "sscf_uni_lower: cmd=0x%x, ustate=%d\n",
+				cmd, uvp->uv_ustate);
+			sscf_uni_abort(uvp, "sscf_uni: sequence err\n");
+		}
+		break;
+
+	case SSCF_UNI_UNITDATA_REQ:
+#ifdef notdef
+		sscf_uni_pdu_print(uvp, (KBuffer *)arg1, "UNITDATA_REQ");
+#endif
+
+		/*
+		 * Validation based on user state
+		 */
+		switch (uvp->uv_ustate) {
+
+		case UVU_RELEASED:
+		case UVU_PACTIVE:
+		case UVU_PRELEASE:
+		case UVU_ACTIVE:
+			/*
+			 * Send unassured data on connection
+			 */
+			STACK_CALL(SSCOP_UNITDATA_REQ, uvp->uv_lower, 
+				uvp->uv_tokl, cvp, 
+				arg1, 0, err);
+			if (err) {
+				KB_FREEALL((KBuffer *)arg1);
+				sscf_uni_abort(uvp, "sscf_uni: stack memory\n");
+				return;
+			}
+			break;
+
+		case UVU_TERM:
+			/*
+			 * Release supplied buffers and ignore
+			 */
+			KB_FREEALL((KBuffer *)arg1);
+			break;
+
+		case UVU_INST:
+		default:
+			KB_FREEALL((KBuffer *)arg1);
+			log(LOG_ERR, "sscf_uni_lower: cmd=0x%x, ustate=%d\n",
+				cmd, uvp->uv_ustate);
+			sscf_uni_abort(uvp, "sscf_uni: sequence err\n");
+		}
+		break;
+
+	default:
+		log(LOG_ERR, "sscf_uni_lower: unknown cmd 0x%x, uvp=0x%x\n",
+			cmd, (int)uvp);
+	}
+
+	return;
+}
+