diff options
Diffstat (limited to 'sys/i4b/layer3/i4b_l4if.c')
-rw-r--r-- | sys/i4b/layer3/i4b_l4if.c | 322 |
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); -} |