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-rw-r--r--sys/i4b/layer3/i4b_l4if.c322
1 files changed, 0 insertions, 322 deletions
diff --git a/sys/i4b/layer3/i4b_l4if.c b/sys/i4b/layer3/i4b_l4if.c
deleted file mode 100644
index e2acee3..0000000
--- a/sys/i4b/layer3/i4b_l4if.c
+++ /dev/null
@@ -1,322 +0,0 @@
-/*-
- * Copyright (c) 1997, 2002 Hellmuth Michaelis. 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.
- */
-
-/*---------------------------------------------------------------------------
- *
- * i4b_l4if.c - Layer 3 interface to Layer 4
- * -------------------------------------------
- * last edit-date: [Sat Mar 9 19:36:08 2002]
- *
- *---------------------------------------------------------------------------*/
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/mbuf.h>
-
-#include <i4b/include/i4b_debug.h>
-#include <i4b/include/i4b_ioctl.h>
-#include <i4b/include/i4b_cause.h>
-
-#include <i4b/include/i4b_l2l3.h>
-#include <i4b/include/i4b_l3l4.h>
-#include <i4b/include/i4b_global.h>
-
-#include <i4b/layer3/i4b_l3.h>
-#include <i4b/layer3/i4b_l3fsm.h>
-
-#include <i4b/layer4/i4b_l4.h>
-
-extern void isic_settrace(int unit, int val); /*XXX*/
-extern int isic_gettrace(int unit); /*XXX*/
-
-static void n_connect_request(u_int cdid);
-static void n_connect_response(u_int cdid, int response, int cause);
-static void n_disconnect_request(u_int cdid, int cause);
-static void n_alert_request(u_int cdid);
-static void n_mgmt_command(int unit, int cmd, void *parm);
-
-/*---------------------------------------------------------------------------*
- * i4b_mdl_status_ind - status indication from lower layers
- *---------------------------------------------------------------------------*/
-int
-i4b_mdl_status_ind(int unit, int status, int parm)
-{
- int sendup;
- int i;
-
- NDBGL3(L3_MSG, "unit = %d, status = %d, parm = %d", unit, status, parm);
-
- switch(status)
- {
- case STI_ATTACH:
- NDBGL3(L3_MSG, "STI_ATTACH: attaching unit %d to controller %d", unit, nctrl);
-
- /* init function pointers */
-
- ctrl_desc[nctrl].N_CONNECT_REQUEST = n_connect_request;
- ctrl_desc[nctrl].N_CONNECT_RESPONSE = n_connect_response;
- ctrl_desc[nctrl].N_DISCONNECT_REQUEST = n_disconnect_request;
- ctrl_desc[nctrl].N_ALERT_REQUEST = n_alert_request;
- ctrl_desc[nctrl].N_DOWNLOAD = NULL; /* only used by active cards */
- ctrl_desc[nctrl].N_DIAGNOSTICS = NULL; /* only used by active cards */
- ctrl_desc[nctrl].N_MGMT_COMMAND = n_mgmt_command;
-
- /* init type and unit */
-
- ctrl_desc[nctrl].unit = unit;
- ctrl_desc[nctrl].ctrl_type = CTRL_PASSIVE;
- ctrl_desc[nctrl].card_type = parm;
-
- /* state fields */
-
- ctrl_desc[nctrl].dl_est = DL_DOWN;
- ctrl_desc[nctrl].nbch = 2; /* XXX extra param? */
- for (i = 0; i < ctrl_desc[nctrl].nbch; i++)
- ctrl_desc[nctrl].bch_state[i] = BCH_ST_FREE;
-
- ctrl_desc[nctrl].tei = -1;
-
- /* init unit to controller table */
-
- utoc_tab[unit] = nctrl;
-
- /* increment no. of controllers */
-
- nctrl++;
-
- break;
-
- case STI_L1STAT:
- i4b_l4_l12stat(unit, 1, parm);
- NDBGL3(L3_MSG, "STI_L1STAT: unit %d layer 1 = %s", unit, status ? "up" : "down");
- break;
-
- case STI_L2STAT:
- i4b_l4_l12stat(unit, 2, parm);
- NDBGL3(L3_MSG, "STI_L2STAT: unit %d layer 2 = %s", unit, status ? "up" : "down");
- break;
-
- case STI_TEIASG:
- ctrl_desc[unit].tei = parm;
- i4b_l4_teiasg(unit, parm);
- NDBGL3(L3_MSG, "STI_TEIASG: unit %d TEI = %d = 0x%02x", unit, parm, parm);
- break;
-
- case STI_PDEACT: /* L1 T4 timeout */
- NDBGL3(L3_ERR, "STI_PDEACT: unit %d TEI = %d = 0x%02x", unit, parm, parm);
-
- sendup = 0;
-
- for(i=0; i < N_CALL_DESC; i++)
- {
- if( (ctrl_desc[call_desc[i].controller].ctrl_type == CTRL_PASSIVE) &&
- (ctrl_desc[call_desc[i].controller].unit == unit))
- {
- i4b_l3_stop_all_timers(&(call_desc[i]));
- if(call_desc[i].cdid != CDID_UNUSED)
- sendup++;
- }
- }
-
- ctrl_desc[utoc_tab[unit]].dl_est = DL_DOWN;
- for (i = 0; i < ctrl_desc[utoc_tab[unit]].nbch; i++)
- ctrl_desc[utoc_tab[unit]].bch_state[i] = BCH_ST_FREE;
- ctrl_desc[utoc_tab[unit]].tei = -1;
-
- if(sendup)
- {
- i4b_l4_pdeact(unit, sendup);
- call_desc[i].cdid = CDID_UNUSED;
- }
- break;
-
- case STI_NOL1ACC: /* no outgoing access to S0 */
- NDBGL3(L3_ERR, "STI_NOL1ACC: unit %d no outgoing access to S0", unit);
-
- for(i=0; i < N_CALL_DESC; i++)
- {
- if( (ctrl_desc[call_desc[i].controller].ctrl_type == CTRL_PASSIVE) &&
- (ctrl_desc[call_desc[i].controller].unit == unit))
- {
- if(call_desc[i].cdid != CDID_UNUSED)
- {
- SET_CAUSE_TYPE(call_desc[i].cause_in, CAUSET_I4B);
- SET_CAUSE_VAL(call_desc[i].cause_in, CAUSE_I4B_L1ERROR);
- i4b_l4_disconnect_ind(&(call_desc[i]));
- }
- }
- }
-
- ctrl_desc[utoc_tab[unit]].dl_est = DL_DOWN;
- for (i = 0; i < ctrl_desc[utoc_tab[unit]].nbch; i++)
- ctrl_desc[utoc_tab[unit]].bch_state[i] = BCH_ST_FREE;
- ctrl_desc[utoc_tab[unit]].tei = -1;
- break;
-
- default:
- NDBGL3(L3_ERR, "ERROR, unit %d, unknown status value %d!", unit, status);
- break;
- }
- return(0);
-}
-
-/*---------------------------------------------------------------------------*
- * send command to the lower layers
- *---------------------------------------------------------------------------*/
-static void
-n_mgmt_command(int unit, int cmd, void *parm)
-{
- int i;
-
- switch(cmd)
- {
- case CMR_DOPEN:
- NDBGL3(L3_MSG, "CMR_DOPEN for unit %d", unit);
-
- for(i=0; i < N_CALL_DESC; i++)
- {
- if( (ctrl_desc[call_desc[i].controller].ctrl_type == CTRL_PASSIVE) &&
- (ctrl_desc[call_desc[i].controller].unit == unit))
- {
- call_desc[i].cdid = CDID_UNUSED;
- }
- }
-
- ctrl_desc[utoc_tab[unit]].dl_est = DL_DOWN;
- for (i = 0; i < ctrl_desc[utoc_tab[unit]].nbch; i++)
- ctrl_desc[utoc_tab[unit]].bch_state[i] = BCH_ST_FREE;
- ctrl_desc[utoc_tab[unit]].tei = -1;
- break;
-
- case CMR_DCLOSE:
- NDBGL3(L3_MSG, "CMR_DCLOSE for unit %d", unit);
- break;
-
- case CMR_SETTRACE:
- NDBGL3(L3_MSG, "CMR_SETTRACE for unit %d", unit);
- break;
-
- default:
- NDBGL3(L3_MSG, "unknown cmd %d for unit %d", cmd, unit);
- break;
- }
-
- MDL_Command_Req(unit, cmd, parm);
-
-}
-
-/*---------------------------------------------------------------------------*
- * handle connect request message from userland
- *---------------------------------------------------------------------------*/
-static void
-n_connect_request(u_int cdid)
-{
- call_desc_t *cd;
-
- cd = cd_by_cdid(cdid);
-
- next_l3state(cd, EV_SETUPRQ);
-}
-
-/*---------------------------------------------------------------------------*
- * handle setup response message from userland
- *---------------------------------------------------------------------------*/
-static void
-n_connect_response(u_int cdid, int response, int cause)
-{
- call_desc_t *cd;
- int chstate;
-
- cd = cd_by_cdid(cdid);
-
- T400_stop(cd);
-
- cd->response = response;
- cd->cause_out = cause;
-
- switch(response)
- {
- case SETUP_RESP_ACCEPT:
- next_l3state(cd, EV_SETACRS);
- chstate = BCH_ST_USED;
- break;
-
- case SETUP_RESP_REJECT:
- next_l3state(cd, EV_SETRJRS);
- chstate = BCH_ST_FREE;
- break;
-
- case SETUP_RESP_DNTCRE:
- next_l3state(cd, EV_SETDCRS);
- chstate = BCH_ST_FREE;
- break;
-
- default: /* failsafe */
- next_l3state(cd, EV_SETDCRS);
- chstate = BCH_ST_FREE;
- NDBGL3(L3_ERR, "unknown response, doing SETUP_RESP_DNTCRE");
- break;
- }
-
- if((cd->channelid >= 0) && (cd->channelid < ctrl_desc[cd->controller].nbch))
- {
- ctrl_desc[cd->controller].bch_state[cd->channelid] = chstate;
- }
- else
- {
- NDBGL3(L3_MSG, "Warning, invalid channelid %d, response = %d\n", cd->channelid, response);
- }
-}
-
-/*---------------------------------------------------------------------------*
- * handle disconnect request message from userland
- *---------------------------------------------------------------------------*/
-static void
-n_disconnect_request(u_int cdid, int cause)
-{
- call_desc_t *cd;
-
- cd = cd_by_cdid(cdid);
-
- cd->cause_out = cause;
-
- next_l3state(cd, EV_DISCRQ);
-}
-
-/*---------------------------------------------------------------------------*
- * handle alert request message from userland
- *---------------------------------------------------------------------------*/
-static void
-n_alert_request(u_int cdid)
-{
- call_desc_t *cd;
-
- cd = cd_by_cdid(cdid);
-
- next_l3state(cd, EV_ALERTRQ);
-}
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