2001-02-11 22:46:19 +00:00
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/* $Id$
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*
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* EURO/DSS1 D-channel protocol
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*
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* Author Karsten Keil (keil@isdn4linux.de)
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*
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* This file is (c) under GNU PUBLIC LICENSE
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* For changes and modifications please read
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* ../../../Documentation/isdn/HiSax.cert
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*
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* Thanks to Jan den Ouden
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* Fritz Elfert
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*
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*/
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#include <linux/module.h>
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#include "hisaxl3.h"
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2001-02-13 10:42:55 +00:00
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#include "helper.h"
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#include "debug.h"
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2001-02-11 22:46:19 +00:00
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#include "dss1.h"
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static int debug = 0;
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static hisaxobject_t u_dss1;
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const char *dss1_revision = "$Revision$";
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2001-02-13 10:42:55 +00:00
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static int dss1man(l3_process_t *, u_int, void *);
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2001-02-19 11:51:42 +00:00
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static void MsgStart(l3_process_t *pc, u_char mt) {
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pc->op = &pc->obuf[0];
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*pc->op++ = 8;
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2001-02-19 22:25:31 +00:00
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if (pc->callref == -1) { /* dummy cr */
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*pc->op++ = 0;
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} else {
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*pc->op++ = 1;
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*pc->op++ = pc->callref ^ 0x80;
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}
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2001-02-19 11:51:42 +00:00
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*pc->op++ = mt;
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}
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2001-02-11 22:46:19 +00:00
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2001-02-19 11:51:42 +00:00
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static void AddvarIE(l3_process_t *pc, u_char ie, u_char *iep) {
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u_char len = *iep;
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*pc->op++ = ie;
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*pc->op++ = *iep++;
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while(len--)
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*pc->op++ = *iep++;
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}
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static int SendMsg(l3_process_t *pc, int state) {
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int l;
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int ret;
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struct sk_buff *skb;
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l = pc->op - &pc->obuf[0];
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if (!(skb = l3_alloc_skb(l)))
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return(-ENOMEM);
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memcpy(skb_put(skb, l), &pc->obuf[0], l);
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if (state != -1)
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newl3state(pc, state);
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2001-03-03 18:17:16 +00:00
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if ((ret=l3_msg(pc->l3, DL_DATA | REQUEST, DINFO_SKB, 0, skb)))
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2001-11-02 23:41:26 +00:00
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kfree_skb(skb);
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2001-02-19 11:51:42 +00:00
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return(ret);
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}
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static int
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2001-02-11 22:46:19 +00:00
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l3dss1_message(l3_process_t *pc, u_char mt)
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{
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struct sk_buff *skb;
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u_char *p;
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2001-02-19 11:51:42 +00:00
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int ret;
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2001-02-11 22:46:19 +00:00
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if (!(skb = l3_alloc_skb(4)))
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2001-02-19 11:51:42 +00:00
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return(-ENOMEM);
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2001-02-11 22:46:19 +00:00
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p = skb_put(skb, 4);
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2001-02-19 11:51:42 +00:00
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*p++ = 8;
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*p++ = 1;
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*p++ = pc->callref ^ 0x80;
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*p++ = mt;
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2001-03-03 18:17:16 +00:00
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if ((ret=l3_msg(pc->l3, DL_DATA | REQUEST, DINFO_SKB, 0, skb)))
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2001-11-02 23:41:26 +00:00
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kfree_skb(skb);
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2001-02-19 11:51:42 +00:00
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return(ret);
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2001-02-11 22:46:19 +00:00
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}
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static void
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l3dss1_message_cause(l3_process_t *pc, u_char mt, u_char cause)
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{
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2001-02-19 11:51:42 +00:00
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MsgStart(pc, mt);
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*pc->op++ = IE_CAUSE;
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*pc->op++ = 0x2;
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*pc->op++ = 0x80 | CAUSE_LOC_USER;
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*pc->op++ = 0x80 | cause;
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SendMsg(pc, -1);
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2001-02-11 22:46:19 +00:00
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}
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static void
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2001-02-19 11:51:42 +00:00
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l3dss1_status_send(l3_process_t *pc, u_char cause)
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2001-02-11 22:46:19 +00:00
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{
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2001-02-19 11:51:42 +00:00
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MsgStart(pc, MT_STATUS);
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*pc->op++ = IE_CAUSE;
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*pc->op++ = 2;
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*pc->op++ = 0x80 | CAUSE_LOC_USER;
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*pc->op++ = 0x80 | cause;
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2001-02-11 22:46:19 +00:00
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2001-02-19 11:51:42 +00:00
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*pc->op++ = IE_CALL_STATE;
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*pc->op++ = 1;
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*pc->op++ = pc->state & 0x3f;
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SendMsg(pc, -1);
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2001-02-11 22:46:19 +00:00
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}
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static void
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2001-02-19 11:51:42 +00:00
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l3dss1_msg_without_setup(l3_process_t *pc, u_char cause)
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2001-02-11 22:46:19 +00:00
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{
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/* This routine is called if here was no SETUP made (checks in dss1up and in
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* l3dss1_setup) and a RELEASE_COMPLETE have to be sent with an error code
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* MT_STATUS_ENQUIRE in the NULL state is handled too
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*/
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switch (cause) {
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case 81: /* invalid callreference */
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case 88: /* incomp destination */
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case 96: /* mandory IE missing */
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case 100: /* invalid IE contents */
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case 101: /* incompatible Callstate */
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2001-02-19 11:51:42 +00:00
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l3dss1_message_cause(pc, MT_RELEASE_COMPLETE, cause);
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2001-02-11 22:46:19 +00:00
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break;
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default:
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printk(KERN_ERR "HiSax l3dss1_msg_without_setup wrong cause %d\n",
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cause);
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}
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release_l3_process(pc);
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}
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static int ie_ALERTING[] = {IE_BEARER, IE_CHANNEL_ID | IE_MANDATORY_1,
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IE_FACILITY, IE_PROGRESS, IE_DISPLAY, IE_SIGNAL, IE_HLC,
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IE_USER_USER, -1};
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static int ie_CALL_PROCEEDING[] = {IE_BEARER, IE_CHANNEL_ID | IE_MANDATORY_1,
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IE_FACILITY, IE_PROGRESS, IE_DISPLAY, IE_HLC, -1};
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static int ie_CONNECT[] = {IE_BEARER, IE_CHANNEL_ID | IE_MANDATORY_1,
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IE_FACILITY, IE_PROGRESS, IE_DISPLAY, IE_DATE, IE_SIGNAL,
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IE_CONNECT_PN, IE_CONNECT_SUB, IE_LLC, IE_HLC, IE_USER_USER, -1};
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static int ie_CONNECT_ACKNOWLEDGE[] = {IE_CHANNEL_ID, IE_DISPLAY, IE_SIGNAL, -1};
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static int ie_DISCONNECT[] = {IE_CAUSE | IE_MANDATORY, IE_FACILITY,
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IE_PROGRESS, IE_DISPLAY, IE_SIGNAL, IE_USER_USER, -1};
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static int ie_INFORMATION[] = {IE_COMPLETE, IE_DISPLAY, IE_KEYPAD, IE_SIGNAL,
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IE_CALLED_PN, -1};
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static int ie_NOTIFY[] = {IE_BEARER, IE_NOTIFY | IE_MANDATORY, IE_DISPLAY, -1};
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static int ie_PROGRESS[] = {IE_BEARER, IE_CAUSE, IE_FACILITY, IE_PROGRESS |
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IE_MANDATORY, IE_DISPLAY, IE_HLC, IE_USER_USER, -1};
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static int ie_RELEASE[] = {IE_CAUSE | IE_MANDATORY_1, IE_FACILITY, IE_DISPLAY,
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IE_SIGNAL, IE_USER_USER, -1};
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/* a RELEASE_COMPLETE with errors don't require special actions
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2001-02-21 19:18:27 +00:00
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static int ie_RELEASE_COMPLETE[] = {IE_CAUSE | IE_MANDATORY_1, IE_FACILITY,
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IE_DISPLAY, IE_SIGNAL, IE_USER_USER, -1};
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2001-02-11 22:46:19 +00:00
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*/
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static int ie_RESUME_ACKNOWLEDGE[] = {IE_CHANNEL_ID| IE_MANDATORY, IE_FACILITY,
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IE_DISPLAY, -1};
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static int ie_RESUME_REJECT[] = {IE_CAUSE | IE_MANDATORY, IE_DISPLAY, -1};
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static int ie_SETUP[] = {IE_COMPLETE, IE_BEARER | IE_MANDATORY,
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IE_CHANNEL_ID| IE_MANDATORY, IE_FACILITY, IE_PROGRESS,
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IE_NET_FAC, IE_DISPLAY, IE_KEYPAD, IE_SIGNAL, IE_CALLING_PN,
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IE_CALLING_SUB, IE_CALLED_PN, IE_CALLED_SUB, IE_REDIR_NR,
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IE_LLC, IE_HLC, IE_USER_USER, -1};
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static int ie_SETUP_ACKNOWLEDGE[] = {IE_CHANNEL_ID | IE_MANDATORY, IE_FACILITY,
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IE_PROGRESS, IE_DISPLAY, IE_SIGNAL, -1};
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static int ie_STATUS[] = {IE_CAUSE | IE_MANDATORY, IE_CALL_STATE |
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IE_MANDATORY, IE_DISPLAY, -1};
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static int ie_STATUS_ENQUIRY[] = {IE_DISPLAY, -1};
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2001-02-19 11:51:42 +00:00
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static int ie_SUSPEND_ACKNOWLEDGE[] = {IE_FACILITY, IE_DISPLAY, -1};
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2001-02-11 22:46:19 +00:00
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static int ie_SUSPEND_REJECT[] = {IE_CAUSE | IE_MANDATORY, IE_DISPLAY, -1};
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/* not used
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* static int ie_CONGESTION_CONTROL[] = {IE_CONGESTION | IE_MANDATORY,
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* IE_CAUSE | IE_MANDATORY, IE_DISPLAY, -1};
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* static int ie_USER_INFORMATION[] = {IE_MORE_DATA, IE_USER_USER | IE_MANDATORY, -1};
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* static int ie_RESTART[] = {IE_CHANNEL_ID, IE_DISPLAY, IE_RESTART_IND |
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* IE_MANDATORY, -1};
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*/
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static int ie_FACILITY[] = {IE_FACILITY | IE_MANDATORY, IE_DISPLAY, -1};
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static int comp_required[] = {1,2,3,5,6,7,9,10,11,14,15,-1};
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static int l3_valid_states[] = {0,1,2,3,4,6,7,8,9,10,11,12,15,17,19,25,-1};
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struct ie_len {
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int ie;
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int len;
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};
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static
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struct ie_len max_ie_len[] = {
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{IE_SEGMENT, 4},
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{IE_BEARER, 12},
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{IE_CAUSE, 32},
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{IE_CALL_ID, 10},
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{IE_CALL_STATE, 3},
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{IE_CHANNEL_ID, 34},
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{IE_FACILITY, 255},
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{IE_PROGRESS, 4},
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{IE_NET_FAC, 255},
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{IE_NOTIFY, 3},
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{IE_DISPLAY, 82},
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{IE_DATE, 8},
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{IE_KEYPAD, 34},
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{IE_SIGNAL, 3},
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{IE_INFORATE, 6},
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{IE_E2E_TDELAY, 11},
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{IE_TDELAY_SEL, 5},
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{IE_PACK_BINPARA, 3},
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{IE_PACK_WINSIZE, 4},
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{IE_PACK_SIZE, 4},
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{IE_CUG, 7},
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{IE_REV_CHARGE, 3},
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{IE_CALLING_PN, 24},
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{IE_CALLING_SUB, 23},
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{IE_CALLED_PN, 24},
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{IE_CALLED_SUB, 23},
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{IE_REDIR_NR, 255},
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{IE_TRANS_SEL, 255},
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{IE_RESTART_IND, 3},
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{IE_LLC, 18},
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{IE_HLC, 5},
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{IE_USER_USER, 131},
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{-1,0},
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};
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static int
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getmax_ie_len(u_char ie) {
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int i = 0;
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while (max_ie_len[i].ie != -1) {
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if (max_ie_len[i].ie == ie)
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return(max_ie_len[i].len);
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i++;
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}
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return(255);
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}
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static int
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ie_in_set(l3_process_t *pc, u_char ie, int *checklist) {
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int ret = 1;
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while (*checklist != -1) {
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if ((*checklist & 0xff) == ie) {
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if (ie & 0x80)
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return(-ret);
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else
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return(ret);
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}
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ret++;
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checklist++;
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}
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return(0);
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}
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static int
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check_infoelements(l3_process_t *pc, struct sk_buff *skb, int *checklist)
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{
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int *cl = checklist;
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u_char mt;
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u_char *p, ie;
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int l, newpos, oldpos;
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int err_seq = 0, err_len = 0, err_compr = 0, err_ureg = 0;
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u_char codeset = 0;
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u_char old_codeset = 0;
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u_char codelock = 1;
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p = skb->data;
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/* skip cr */
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p++;
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l = (*p++) & 0xf;
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p += l;
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mt = *p++;
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oldpos = 0;
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while ((p - skb->data) < skb->len) {
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if ((*p & 0xf0) == 0x90) { /* shift codeset */
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old_codeset = codeset;
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codeset = *p & 7;
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if (*p & 0x08)
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codelock = 0;
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else
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codelock = 1;
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2001-02-19 11:51:42 +00:00
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if (pc->l3->debug & L3_DEB_CHECK)
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2001-02-11 22:46:19 +00:00
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l3_debug(pc->l3, "check IE shift%scodeset %d->%d",
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codelock ? " locking ": " ", old_codeset, codeset);
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p++;
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continue;
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}
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if (!codeset) { /* only codeset 0 */
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if ((newpos = ie_in_set(pc, *p, cl))) {
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if (newpos > 0) {
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if (newpos < oldpos)
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err_seq++;
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else
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oldpos = newpos;
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}
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} else {
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if (ie_in_set(pc, *p, comp_required))
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err_compr++;
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else
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err_ureg++;
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}
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}
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ie = *p++;
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if (ie & 0x80) {
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l = 1;
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} else {
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l = *p++;
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p += l;
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l += 2;
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}
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if (!codeset && (l > getmax_ie_len(ie)))
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err_len++;
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if (!codelock) {
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2001-02-19 11:51:42 +00:00
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if (pc->l3->debug & L3_DEB_CHECK)
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2001-02-11 22:46:19 +00:00
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|
|
l3_debug(pc->l3, "check IE shift back codeset %d->%d",
|
|
|
|
codeset, old_codeset);
|
|
|
|
codeset = old_codeset;
|
|
|
|
codelock = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (err_compr | err_ureg | err_len | err_seq) {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_CHECK)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "check IE MT(%x) %d/%d/%d/%d",
|
|
|
|
mt, err_compr, err_ureg, err_len, err_seq);
|
|
|
|
if (err_compr)
|
|
|
|
return(ERR_IE_COMPREHENSION);
|
|
|
|
if (err_ureg)
|
|
|
|
return(ERR_IE_UNRECOGNIZED);
|
|
|
|
if (err_len)
|
|
|
|
return(ERR_IE_LENGTH);
|
|
|
|
if (err_seq)
|
|
|
|
return(ERR_IE_SEQUENCE);
|
|
|
|
}
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* verify if a message type exists and contain no IE error */
|
|
|
|
static int
|
|
|
|
l3dss1_check_messagetype_validity(l3_process_t *pc, int mt, void *arg)
|
|
|
|
{
|
|
|
|
switch (mt) {
|
|
|
|
case MT_ALERTING:
|
|
|
|
case MT_CALL_PROCEEDING:
|
|
|
|
case MT_CONNECT:
|
|
|
|
case MT_CONNECT_ACKNOWLEDGE:
|
|
|
|
case MT_DISCONNECT:
|
|
|
|
case MT_INFORMATION:
|
|
|
|
case MT_FACILITY:
|
|
|
|
case MT_NOTIFY:
|
|
|
|
case MT_PROGRESS:
|
|
|
|
case MT_RELEASE:
|
|
|
|
case MT_RELEASE_COMPLETE:
|
|
|
|
case MT_SETUP:
|
|
|
|
case MT_SETUP_ACKNOWLEDGE:
|
|
|
|
case MT_RESUME_ACKNOWLEDGE:
|
|
|
|
case MT_RESUME_REJECT:
|
|
|
|
case MT_SUSPEND_ACKNOWLEDGE:
|
|
|
|
case MT_SUSPEND_REJECT:
|
|
|
|
case MT_USER_INFORMATION:
|
|
|
|
case MT_RESTART:
|
|
|
|
case MT_RESTART_ACKNOWLEDGE:
|
|
|
|
case MT_CONGESTION_CONTROL:
|
|
|
|
case MT_STATUS:
|
|
|
|
case MT_STATUS_ENQUIRY:
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_CHECK)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "l3dss1_check_messagetype_validity mt(%x) OK", mt);
|
|
|
|
break;
|
|
|
|
case MT_RESUME: /* RESUME only in user->net */
|
|
|
|
case MT_SUSPEND: /* SUSPEND only in user->net */
|
|
|
|
default:
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & (L3_DEB_CHECK | L3_DEB_WARN))
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "l3dss1_check_messagetype_validity mt(%x) fail", mt);
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(pc, CAUSE_MT_NOTIMPLEMENTED);
|
2001-02-11 22:46:19 +00:00
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_std_ie_err(l3_process_t *pc, int ret) {
|
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_CHECK)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "check_infoelements ret %d", ret);
|
|
|
|
switch(ret) {
|
|
|
|
case 0:
|
|
|
|
break;
|
|
|
|
case ERR_IE_COMPREHENSION:
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(pc, CAUSE_MANDATORY_IE_MISS);
|
2001-02-11 22:46:19 +00:00
|
|
|
break;
|
|
|
|
case ERR_IE_UNRECOGNIZED:
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(pc, CAUSE_IE_NOTIMPLEMENTED);
|
2001-02-11 22:46:19 +00:00
|
|
|
break;
|
|
|
|
case ERR_IE_LENGTH:
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(pc, CAUSE_INVALID_CONTENTS);
|
2001-02-11 22:46:19 +00:00
|
|
|
break;
|
|
|
|
case ERR_IE_SEQUENCE:
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
static u_char *
|
|
|
|
l3dss1_get_channel_id(l3_process_t *pc, struct sk_buff *skb) {
|
|
|
|
u_char *sp, *p;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((sp = p = findie(skb->data, skb->len, IE_CHANNEL_ID, 0))) {
|
2001-02-11 22:46:19 +00:00
|
|
|
if (*p != 1) { /* len for BRI = 1 */
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "wrong chid len %d", *p);
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->err = -2;
|
|
|
|
return (NULL);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
p++;
|
|
|
|
if (*p & 0x60) { /* only base rate interface */
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "wrong chid %x", *p);
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->err = -3;
|
|
|
|
return (NULL);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->bc = *p & 3;
|
2001-02-11 22:46:19 +00:00
|
|
|
} else
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->err = -1;
|
|
|
|
return(sp);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
static u_char *
|
2001-02-11 22:46:19 +00:00
|
|
|
l3dss1_get_cause(l3_process_t *pc, struct sk_buff *skb) {
|
2001-02-19 11:51:42 +00:00
|
|
|
u_char l;
|
|
|
|
u_char *p, *sp;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((sp = p = findie(skb->data, skb->len, IE_CAUSE, 0))) {
|
2001-02-11 22:46:19 +00:00
|
|
|
l = *p++;
|
2001-02-19 11:51:42 +00:00
|
|
|
if (l>30) {
|
|
|
|
pc->err = 1;
|
|
|
|
return(NULL);
|
|
|
|
}
|
|
|
|
if (l)
|
2001-02-11 22:46:19 +00:00
|
|
|
l--;
|
2001-02-19 11:51:42 +00:00
|
|
|
else {
|
|
|
|
pc->err = 2;
|
|
|
|
return(NULL);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
if (l && !(*p & 0x80)) {
|
2001-02-11 22:46:19 +00:00
|
|
|
l--;
|
2001-02-19 11:51:42 +00:00
|
|
|
p++; /* skip recommendation */
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
p++;
|
2001-02-11 22:46:19 +00:00
|
|
|
if (l) {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (!(*p & 0x80)) {
|
|
|
|
pc->err = 3;
|
|
|
|
return(NULL);
|
|
|
|
}
|
|
|
|
pc->err = *p & 0x7F;
|
|
|
|
} else {
|
|
|
|
pc->err = 4;
|
|
|
|
return(NULL);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
} else
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->err = -1;
|
|
|
|
return(sp);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_release_req(l3_process_t *pc, u_char pr, void *arg)
|
2001-02-11 22:46:19 +00:00
|
|
|
{
|
2001-02-19 11:51:42 +00:00
|
|
|
RELEASE_t *rel = arg;
|
|
|
|
|
|
|
|
StopAllL3Timer(pc);
|
|
|
|
if (rel) {
|
|
|
|
MsgStart(pc, MT_RELEASE);
|
|
|
|
if (rel->CAUSE)
|
|
|
|
AddvarIE(pc, IE_CAUSE, rel->CAUSE);
|
|
|
|
if (rel->FACILITY)
|
|
|
|
AddvarIE(pc, IE_FACILITY, rel->FACILITY);
|
|
|
|
if (rel->USER_USER)
|
|
|
|
AddvarIE(pc, IE_USER_USER, rel->USER_USER);
|
|
|
|
SendMsg(pc, 19);
|
|
|
|
} else {
|
|
|
|
newl3state(pc, 19);
|
|
|
|
l3dss1_message(pc, MT_RELEASE);
|
|
|
|
}
|
|
|
|
L3AddTimer(&pc->timer, T308, CC_T308_1);
|
|
|
|
}
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
static void
|
|
|
|
l3dss1_setup_req(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
SETUP_t *setup = arg;
|
|
|
|
|
|
|
|
MsgStart(pc, MT_SETUP);
|
|
|
|
if (setup->COMPLETE)
|
|
|
|
*pc->op++ = IE_COMPLETE;
|
|
|
|
if (setup->BEARER)
|
|
|
|
AddvarIE(pc, IE_BEARER, setup->BEARER);
|
|
|
|
if (setup->CHANNEL_ID)
|
|
|
|
AddvarIE(pc, IE_CHANNEL_ID, setup->CHANNEL_ID);
|
|
|
|
if (setup->FACILITY)
|
|
|
|
AddvarIE(pc, IE_FACILITY, setup->FACILITY);
|
|
|
|
if (setup->PROGRESS)
|
|
|
|
AddvarIE(pc, IE_PROGRESS, setup->PROGRESS);
|
|
|
|
if (setup->NET_FAC)
|
|
|
|
AddvarIE(pc, IE_NET_FAC, setup->NET_FAC);
|
|
|
|
if (setup->KEYPAD)
|
|
|
|
AddvarIE(pc, IE_KEYPAD, setup->KEYPAD);
|
|
|
|
if (setup->CALLING_PN)
|
|
|
|
AddvarIE(pc, IE_CALLING_PN, setup->CALLING_PN);
|
|
|
|
if (setup->CALLING_SUB)
|
|
|
|
AddvarIE(pc, IE_CALLING_SUB, setup->CALLING_SUB);
|
|
|
|
if (setup->CALLED_PN)
|
|
|
|
AddvarIE(pc, IE_CALLED_PN, setup->CALLED_PN);
|
|
|
|
if (setup->CALLED_SUB)
|
|
|
|
AddvarIE(pc, IE_CALLED_SUB, setup->CALLED_SUB);
|
|
|
|
if (setup->LLC)
|
|
|
|
AddvarIE(pc, IE_LLC, setup->LLC);
|
|
|
|
if (setup->HLC)
|
|
|
|
AddvarIE(pc, IE_HLC, setup->HLC);
|
|
|
|
if (setup->USER_USER)
|
|
|
|
AddvarIE(pc, IE_USER_USER, setup->USER_USER);
|
|
|
|
|
|
|
|
if (!SendMsg(pc, 1)) {
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
L3AddTimer(&pc->timer, T303, CC_T303);
|
|
|
|
}
|
|
|
|
}
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
static void
|
|
|
|
l3dss1_disconnect_req(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
DISCONNECT_t *disc = arg;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
StopAllL3Timer(pc);
|
|
|
|
if (disc) {
|
|
|
|
MsgStart(pc, MT_DISCONNECT);
|
|
|
|
if (disc->CAUSE){
|
|
|
|
AddvarIE(pc, IE_CAUSE, disc->CAUSE);
|
|
|
|
} else {
|
|
|
|
*pc->op++ = IE_CAUSE;
|
|
|
|
*pc->op++ = 2;
|
|
|
|
*pc->op++ = 0x80 | CAUSE_LOC_USER;
|
|
|
|
*pc->op++ = 0x80 | CAUSE_NORMALUNSPECIFIED;
|
|
|
|
}
|
|
|
|
if (disc->FACILITY)
|
|
|
|
AddvarIE(pc, IE_FACILITY, disc->FACILITY);
|
|
|
|
if (disc->PROGRESS)
|
|
|
|
AddvarIE(pc, IE_PROGRESS, disc->PROGRESS);
|
|
|
|
if (disc->USER_USER)
|
|
|
|
AddvarIE(pc, IE_USER_USER, disc->USER_USER);
|
|
|
|
SendMsg(pc, 11);
|
|
|
|
|
|
|
|
} else {
|
|
|
|
newl3state(pc, 11);
|
|
|
|
l3dss1_message_cause(pc, MT_DISCONNECT, CAUSE_NORMALUNSPECIFIED);
|
|
|
|
}
|
|
|
|
L3AddTimer(&pc->timer, T305, CC_T305);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_connect_req(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
CONNECT_t *conn = arg;
|
|
|
|
|
|
|
|
if (!pc->bc) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "D-chan connect for waiting call");
|
|
|
|
l3dss1_disconnect_req(pc, pr, NULL);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
|
|
|
if (conn) {
|
|
|
|
MsgStart(pc, MT_CONNECT);
|
|
|
|
if (conn->BEARER)
|
|
|
|
AddvarIE(pc, IE_BEARER, conn->BEARER);
|
|
|
|
if (conn->CHANNEL_ID)
|
|
|
|
AddvarIE(pc, IE_CHANNEL_ID, conn->CHANNEL_ID);
|
|
|
|
if (conn->FACILITY)
|
|
|
|
AddvarIE(pc, IE_FACILITY, conn->FACILITY);
|
|
|
|
if (conn->PROGRESS)
|
|
|
|
AddvarIE(pc, IE_PROGRESS, conn->PROGRESS);
|
|
|
|
if (conn->CONNECT_PN)
|
|
|
|
AddvarIE(pc, IE_CONNECT_PN, conn->CONNECT_PN);
|
|
|
|
if (conn->CONNECT_SUB)
|
|
|
|
AddvarIE(pc, IE_CONNECT_SUB, conn->CONNECT_SUB);
|
|
|
|
if (conn->LLC)
|
|
|
|
AddvarIE(pc, IE_LLC, conn->LLC);
|
|
|
|
if (conn->HLC)
|
|
|
|
AddvarIE(pc, IE_HLC, conn->HLC);
|
|
|
|
if (conn->USER_USER)
|
|
|
|
AddvarIE(pc, IE_USER_USER, conn->USER_USER);
|
|
|
|
SendMsg(pc, 8);
|
|
|
|
} else {
|
|
|
|
newl3state(pc, 8);
|
|
|
|
l3dss1_message(pc, MT_CONNECT);
|
|
|
|
}
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
L3AddTimer(&pc->timer, T313, CC_T313);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_release_cmpl_req(l3_process_t *pc, u_char pr, void *arg)
|
2001-02-11 22:46:19 +00:00
|
|
|
{
|
2001-02-19 11:51:42 +00:00
|
|
|
RELEASE_COMPLETE_t *rcmpl = arg;
|
|
|
|
|
2001-02-11 22:46:19 +00:00
|
|
|
StopAllL3Timer(pc);
|
2001-02-19 11:51:42 +00:00
|
|
|
if (rcmpl) {
|
|
|
|
MsgStart(pc, MT_RELEASE_COMPLETE);
|
|
|
|
if (rcmpl->CAUSE)
|
|
|
|
AddvarIE(pc, IE_CAUSE, rcmpl->CAUSE);
|
2001-02-21 19:18:27 +00:00
|
|
|
if (rcmpl->FACILITY)
|
|
|
|
AddvarIE(pc, IE_FACILITY, rcmpl->FACILITY);
|
2001-02-19 11:51:42 +00:00
|
|
|
if (rcmpl->USER_USER)
|
|
|
|
AddvarIE(pc, IE_USER_USER, rcmpl->USER_USER);
|
|
|
|
SendMsg(pc, 0);
|
|
|
|
} else {
|
|
|
|
newl3state(pc, 0);
|
|
|
|
l3dss1_message(pc, MT_RELEASE_COMPLETE);
|
|
|
|
}
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_RELEASE_COMPLETE | CONFIRM, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
release_l3_process(pc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_alert_req(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
ALERTING_t *alert = arg;
|
|
|
|
|
|
|
|
if (alert) {
|
|
|
|
MsgStart(pc, MT_ALERTING);
|
|
|
|
if (alert->BEARER)
|
|
|
|
AddvarIE(pc, IE_BEARER, alert->BEARER);
|
|
|
|
if (alert->CHANNEL_ID)
|
|
|
|
AddvarIE(pc, IE_CHANNEL_ID, alert->CHANNEL_ID);
|
|
|
|
if (alert->FACILITY)
|
|
|
|
AddvarIE(pc, IE_FACILITY, alert->FACILITY);
|
|
|
|
if (alert->PROGRESS)
|
|
|
|
AddvarIE(pc, IE_PROGRESS, alert->PROGRESS);
|
|
|
|
if (alert->HLC)
|
|
|
|
AddvarIE(pc, IE_HLC, alert->HLC);
|
|
|
|
if (alert->USER_USER)
|
|
|
|
AddvarIE(pc, IE_USER_USER, alert->USER_USER);
|
|
|
|
SendMsg(pc, 7);
|
|
|
|
} else {
|
|
|
|
newl3state(pc, 7);
|
|
|
|
l3dss1_message(pc, MT_ALERTING);
|
|
|
|
}
|
2001-02-20 00:34:55 +00:00
|
|
|
L3DelTimer(&pc->timer);
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_proceed_req(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
CALL_PROCEEDING_t *cproc = arg;
|
|
|
|
|
|
|
|
if (cproc) {
|
|
|
|
MsgStart(pc, MT_CALL_PROCEEDING);
|
|
|
|
if (cproc->BEARER)
|
|
|
|
AddvarIE(pc, IE_BEARER, cproc->BEARER);
|
|
|
|
if (cproc->CHANNEL_ID)
|
|
|
|
AddvarIE(pc, IE_CHANNEL_ID, cproc->CHANNEL_ID);
|
|
|
|
if (cproc->FACILITY)
|
|
|
|
AddvarIE(pc, IE_FACILITY, cproc->FACILITY);
|
|
|
|
if (cproc->PROGRESS)
|
|
|
|
AddvarIE(pc, IE_PROGRESS, cproc->PROGRESS);
|
|
|
|
if (cproc->HLC)
|
|
|
|
AddvarIE(pc, IE_HLC, cproc->HLC);
|
|
|
|
SendMsg(pc, 9);
|
|
|
|
} else {
|
|
|
|
newl3state(pc, 9);
|
|
|
|
l3dss1_message(pc, MT_CALL_PROCEEDING);
|
|
|
|
}
|
2001-02-20 00:34:55 +00:00
|
|
|
L3DelTimer(&pc->timer);
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_setup_ack_req(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
SETUP_ACKNOWLEDGE_t *setup_ack = arg;
|
|
|
|
|
|
|
|
if (setup_ack) {
|
|
|
|
MsgStart(pc, MT_SETUP_ACKNOWLEDGE);
|
|
|
|
if (setup_ack->CHANNEL_ID)
|
|
|
|
AddvarIE(pc, IE_CHANNEL_ID, setup_ack->CHANNEL_ID);
|
|
|
|
if (setup_ack->FACILITY)
|
|
|
|
AddvarIE(pc, IE_FACILITY, setup_ack->FACILITY);
|
|
|
|
if (setup_ack->PROGRESS)
|
|
|
|
AddvarIE(pc, IE_PROGRESS, setup_ack->PROGRESS);
|
|
|
|
SendMsg(pc, 25);
|
|
|
|
} else {
|
|
|
|
newl3state(pc, 25);
|
|
|
|
l3dss1_message(pc, MT_SETUP_ACKNOWLEDGE);
|
|
|
|
}
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
L3AddTimer(&pc->timer, T302, CC_T302);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_suspend_req(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
SUSPEND_t *susp = arg;
|
|
|
|
|
|
|
|
if (susp) {
|
|
|
|
MsgStart(pc, MT_SUSPEND);
|
|
|
|
if (susp->CALL_ID)
|
|
|
|
AddvarIE(pc, IE_CALL_ID, susp->CALL_ID);
|
|
|
|
if (susp->FACILITY)
|
|
|
|
AddvarIE(pc, IE_FACILITY, susp->FACILITY);
|
|
|
|
SendMsg(pc, 15);
|
|
|
|
} else {
|
|
|
|
newl3state(pc, 15);
|
|
|
|
l3dss1_message(pc, MT_SUSPEND);
|
|
|
|
}
|
|
|
|
L3AddTimer(&pc->timer, T319, CC_T319);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_resume_req(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
RESUME_t *res = arg;
|
|
|
|
|
|
|
|
if (res) {
|
|
|
|
MsgStart(pc, MT_RESUME);
|
|
|
|
if (res->CALL_ID)
|
|
|
|
AddvarIE(pc, IE_CALL_ID, res->CALL_ID);
|
|
|
|
if (res->FACILITY)
|
|
|
|
AddvarIE(pc, IE_FACILITY, res->FACILITY);
|
|
|
|
SendMsg(pc, 17);
|
|
|
|
} else {
|
|
|
|
newl3state(pc, 17);
|
|
|
|
l3dss1_message(pc, MT_RESUME);
|
|
|
|
}
|
|
|
|
L3AddTimer(&pc->timer, T318, CC_T318);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_release_cmpl(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
|
|
|
|
StopAllL3Timer(pc);
|
|
|
|
newl3state(pc, 0);
|
2001-02-19 11:51:42 +00:00
|
|
|
memset(&pc->para.RELEASE_COMPLETE, 0, sizeof(RELEASE_COMPLETE_t));
|
|
|
|
if (!(pc->para.RELEASE_COMPLETE.CAUSE = l3dss1_get_cause(pc, skb))) {
|
|
|
|
if (pc->err > 0)
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "RELCMPL get_cause err(%d)",
|
|
|
|
pc->err);
|
|
|
|
}
|
2001-02-21 19:18:27 +00:00
|
|
|
pc->para.RELEASE_COMPLETE.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.RELEASE_COMPLETE.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.RELEASE_COMPLETE.SIGNAL =
|
|
|
|
findie(skb->data, skb->len, IE_SIGNAL, 0);
|
|
|
|
pc->para.RELEASE_COMPLETE.USER_USER =
|
|
|
|
findie(skb->data, skb->len, IE_USER_USER, 0);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_RELEASE_COMPLETE | INDICATION,
|
2001-03-03 18:17:16 +00:00
|
|
|
sizeof(RELEASE_COMPLETE_t), &pc->para.RELEASE_COMPLETE);
|
2001-02-11 22:46:19 +00:00
|
|
|
release_l3_process(pc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_alerting(l3_process_t *pc, u_char pr, void *arg)
|
2001-02-11 22:46:19 +00:00
|
|
|
{
|
2001-02-19 11:51:42 +00:00
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int ret;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
ret = check_infoelements(pc, skb, ie_ALERTING);
|
|
|
|
if (ERR_IE_COMPREHENSION == ret) {
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
|
|
|
L3DelTimer(&pc->timer); /* T304 */
|
|
|
|
newl3state(pc, 4);
|
|
|
|
pc->para.ALERTING.BEARER =
|
|
|
|
findie(skb->data, skb->len, IE_BEARER, 0);
|
|
|
|
pc->para.ALERTING.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
|
|
|
pc->para.ALERTING.PROGRESS =
|
|
|
|
findie(skb->data, skb->len, IE_PROGRESS, 0);
|
|
|
|
pc->para.ALERTING.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.ALERTING.SIGNAL =
|
|
|
|
findie(skb->data, skb->len, IE_SIGNAL, 0);
|
|
|
|
pc->para.ALERTING.HLC =
|
|
|
|
findie(skb->data, skb->len, IE_HLC, 0);
|
|
|
|
pc->para.ALERTING.USER_USER =
|
|
|
|
findie(skb->data, skb->len, IE_USER_USER, 0);
|
|
|
|
if (ret)
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_ALERTING | INDICATION,
|
|
|
|
sizeof(ALERTING_t), &pc->para.ALERTING);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_call_proc(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
2001-02-19 11:51:42 +00:00
|
|
|
int ret;
|
2001-02-11 22:46:19 +00:00
|
|
|
u_char cause;
|
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((pc->para.CALL_PROCEEDING.CHANNEL_ID =
|
|
|
|
l3dss1_get_channel_id(pc, skb))) {
|
|
|
|
if ((0 == pc->bc) || (3 == pc->bc)) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "setup answer with wrong chid %x", pc->bc);
|
|
|
|
l3dss1_status_send(pc, CAUSE_INVALID_CONTENTS);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
} else if (1 == pc->state) {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "setup answer wrong chid (ret %d)", pc->err);
|
|
|
|
if (pc->err == -1)
|
2001-02-11 22:46:19 +00:00
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
else
|
|
|
|
cause = CAUSE_INVALID_CONTENTS;
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(pc, cause);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Now we are on none mandatory IEs */
|
|
|
|
ret = check_infoelements(pc, skb, ie_CALL_PROCEEDING);
|
|
|
|
if (ERR_IE_COMPREHENSION == ret) {
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
return;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.CALL_PROCEEDING.BEARER =
|
|
|
|
findie(skb->data, skb->len, IE_BEARER, 0);
|
|
|
|
pc->para.CALL_PROCEEDING.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
|
|
|
pc->para.CALL_PROCEEDING.PROGRESS =
|
|
|
|
findie(skb->data, skb->len, IE_PROGRESS, 0);
|
|
|
|
pc->para.CALL_PROCEEDING.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.CALL_PROCEEDING.HLC =
|
|
|
|
findie(skb->data, skb->len, IE_HLC, 0);
|
2001-02-11 22:46:19 +00:00
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
newl3state(pc, 3);
|
|
|
|
L3AddTimer(&pc->timer, T310, CC_T310);
|
|
|
|
if (ret) /* STATUS for none mandatory IE errors after actions are taken */
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_PROCEEDING | INDICATION,
|
|
|
|
sizeof(CALL_PROCEEDING_t), &pc->para.CALL_PROCEEDING);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_connect(l3_process_t *pc, u_char pr, void *arg)
|
2001-02-11 22:46:19 +00:00
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
2001-02-19 11:51:42 +00:00
|
|
|
int ret;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
ret = check_infoelements(pc, skb, ie_CONNECT);
|
|
|
|
if (ERR_IE_COMPREHENSION == ret) {
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
L3DelTimer(&pc->timer); /* T310 */
|
|
|
|
newl3state(pc, 10);
|
|
|
|
pc->para.CONNECT.BEARER =
|
|
|
|
findie(skb->data, skb->len, IE_BEARER, 0);
|
|
|
|
pc->para.CONNECT.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
|
|
|
pc->para.CONNECT.PROGRESS =
|
|
|
|
findie(skb->data, skb->len, IE_PROGRESS, 0);
|
|
|
|
pc->para.CONNECT.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.CONNECT.DATE =
|
|
|
|
findie(skb->data, skb->len, IE_DATE, 0);
|
|
|
|
pc->para.CONNECT.SIGNAL =
|
|
|
|
findie(skb->data, skb->len, IE_SIGNAL, 0);
|
|
|
|
pc->para.CONNECT.CONNECT_PN =
|
|
|
|
findie(skb->data, skb->len, IE_CONNECT_PN, 0);
|
|
|
|
pc->para.CONNECT.CONNECT_SUB =
|
|
|
|
findie(skb->data, skb->len, IE_CONNECT_SUB, 0);
|
|
|
|
pc->para.CONNECT.HLC =
|
|
|
|
findie(skb->data, skb->len, IE_HLC, 0);
|
|
|
|
pc->para.CONNECT.LLC =
|
|
|
|
findie(skb->data, skb->len, IE_LLC, 0);
|
|
|
|
pc->para.CONNECT.USER_USER =
|
|
|
|
findie(skb->data, skb->len, IE_USER_USER, 0);
|
|
|
|
if (ret)
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_CONNECT | INDICATION,
|
|
|
|
sizeof(CONNECT_t), &pc->para.CONNECT);
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_connect_ack(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = check_infoelements(pc, skb, ie_CONNECT_ACKNOWLEDGE);
|
2001-02-11 22:46:19 +00:00
|
|
|
if (ERR_IE_COMPREHENSION == ret) {
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
return;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
newl3state(pc, 10);
|
2001-02-11 22:46:19 +00:00
|
|
|
L3DelTimer(&pc->timer);
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.CONNECT_ACKNOWLEDGE.CHANNEL_ID =
|
|
|
|
l3dss1_get_channel_id(pc, skb);
|
|
|
|
pc->para.CONNECT_ACKNOWLEDGE.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.CONNECT_ACKNOWLEDGE.SIGNAL =
|
|
|
|
findie(skb->data, skb->len, IE_SIGNAL, 0);
|
|
|
|
if (ret)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3dss1_std_ie_err(pc, ret);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_CONNECT_ACKNOWLEDGE | INDICATION,
|
2001-03-03 18:17:16 +00:00
|
|
|
sizeof(CONNECT_ACKNOWLEDGE_t), &pc->para.CONNECT_ACKNOWLEDGE);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_disconnect(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int ret;
|
|
|
|
u_char cause = 0;
|
|
|
|
|
|
|
|
StopAllL3Timer(pc);
|
2001-02-19 11:51:42 +00:00
|
|
|
if (!(pc->para.DISCONNECT.CAUSE = l3dss1_get_cause(pc, skb))) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "DISC get_cause ret(%d)", pc->err);
|
|
|
|
if (pc->err < 0)
|
2001-02-11 22:46:19 +00:00
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
2001-02-19 11:51:42 +00:00
|
|
|
else if (pc->err > 0)
|
2001-02-11 22:46:19 +00:00
|
|
|
cause = CAUSE_INVALID_CONTENTS;
|
|
|
|
}
|
|
|
|
ret = check_infoelements(pc, skb, ie_DISCONNECT);
|
|
|
|
if (ERR_IE_COMPREHENSION == ret)
|
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
else if ((!cause) && (ERR_IE_UNRECOGNIZED == ret))
|
|
|
|
cause = CAUSE_IE_NOTIMPLEMENTED;
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.DISCONNECT.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
|
|
|
pc->para.DISCONNECT.PROGRESS =
|
|
|
|
findie(skb->data, skb->len, IE_PROGRESS, 0);
|
|
|
|
pc->para.DISCONNECT.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.DISCONNECT.SIGNAL =
|
|
|
|
findie(skb->data, skb->len, IE_SIGNAL, 0);
|
|
|
|
pc->para.DISCONNECT.USER_USER =
|
|
|
|
findie(skb->data, skb->len, IE_USER_USER, 0);
|
2001-02-11 22:46:19 +00:00
|
|
|
ret = pc->state;
|
|
|
|
if (cause)
|
|
|
|
newl3state(pc, 19);
|
2001-02-19 11:51:42 +00:00
|
|
|
else
|
|
|
|
newl3state(pc, 12);
|
2001-02-11 22:46:19 +00:00
|
|
|
if (11 != ret)
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_DISCONNECT | INDICATION,
|
|
|
|
sizeof(DISCONNECT_t), &pc->para.DISCONNECT);
|
2001-02-19 11:51:42 +00:00
|
|
|
else if (!cause)
|
|
|
|
l3dss1_release_req(pc, pr, NULL);
|
2001-02-11 22:46:19 +00:00
|
|
|
if (cause) {
|
|
|
|
l3dss1_message_cause(pc, MT_RELEASE, cause);
|
|
|
|
L3AddTimer(&pc->timer, T308, CC_T308_1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_setup_ack(l3_process_t *pc, u_char pr, void *arg)
|
2001-02-11 22:46:19 +00:00
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int ret;
|
2001-02-19 11:51:42 +00:00
|
|
|
u_char cause;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((pc->para.SETUP_ACKNOWLEDGE.CHANNEL_ID =
|
|
|
|
l3dss1_get_channel_id(pc, skb))) {
|
|
|
|
if ((0 == pc->bc) || (3 == pc->bc)) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "setup answer with wrong chid %x", pc->bc);
|
|
|
|
l3dss1_status_send(pc, CAUSE_INVALID_CONTENTS);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "setup answer wrong chid (ret %d)", pc->err);
|
|
|
|
if (pc->err == -1)
|
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
else
|
|
|
|
cause = CAUSE_INVALID_CONTENTS;
|
|
|
|
l3dss1_status_send(pc, cause);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
/* Now we are on none mandatory IEs */
|
|
|
|
ret = check_infoelements(pc, skb, ie_SETUP_ACKNOWLEDGE);
|
2001-02-11 22:46:19 +00:00
|
|
|
if (ERR_IE_COMPREHENSION == ret) {
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
return;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.SETUP_ACKNOWLEDGE.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
|
|
|
pc->para.SETUP_ACKNOWLEDGE.PROGRESS =
|
|
|
|
findie(skb->data, skb->len, IE_PROGRESS, 0);
|
|
|
|
pc->para.SETUP_ACKNOWLEDGE.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.SETUP_ACKNOWLEDGE.SIGNAL =
|
|
|
|
findie(skb->data, skb->len, IE_SIGNAL, 0);
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
newl3state(pc, 2);
|
|
|
|
L3AddTimer(&pc->timer, T304, CC_T304);
|
|
|
|
if (ret) /* STATUS for none mandatory IE errors after actions are taken */
|
2001-02-11 22:46:19 +00:00
|
|
|
l3dss1_std_ie_err(pc, ret);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_SETUP_ACKNOWLEDGE | INDICATION,
|
2001-03-03 18:17:16 +00:00
|
|
|
sizeof(SETUP_ACKNOWLEDGE_t), &pc->para.SETUP_ACKNOWLEDGE);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_setup(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
u_char *p, cause;
|
|
|
|
int bcfound = 0;
|
|
|
|
struct sk_buff *skb = arg;
|
2001-10-31 23:06:07 +00:00
|
|
|
int err = 0, *id;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Bearer Capabilities
|
|
|
|
*/
|
|
|
|
/* only the first occurence 'll be detected ! */
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((p = pc->para.SETUP.BEARER = findie(skb->data, skb->len, IE_BEARER, 0))) {
|
|
|
|
if ((p[0] < 2) || (p[0] > 11))
|
2001-02-11 22:46:19 +00:00
|
|
|
err = 1;
|
|
|
|
else {
|
2001-02-19 11:51:42 +00:00
|
|
|
switch (p[1] & 0x7f) {
|
2001-02-11 22:46:19 +00:00
|
|
|
case 0x00: /* Speech */
|
|
|
|
case 0x10: /* 3.1 Khz audio */
|
|
|
|
case 0x08: /* Unrestricted digital information */
|
|
|
|
case 0x09: /* Restricted digital information */
|
|
|
|
case 0x11:
|
|
|
|
/* Unrestr. digital information with
|
|
|
|
* tones/announcements ( or 7 kHz audio
|
|
|
|
*/
|
|
|
|
case 0x18: /* Video */
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err = 2;
|
|
|
|
break;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
switch (p[2] & 0x7f) {
|
2001-02-11 22:46:19 +00:00
|
|
|
case 0x40: /* packed mode */
|
|
|
|
case 0x10: /* 64 kbit */
|
|
|
|
case 0x11: /* 2*64 kbit */
|
|
|
|
case 0x13: /* 384 kbit */
|
|
|
|
case 0x15: /* 1536 kbit */
|
|
|
|
case 0x17: /* 1920 kbit */
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err = 3;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (err) {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "setup with wrong bearer(l=%d:%x,%x)",
|
2001-02-19 11:51:42 +00:00
|
|
|
p[0], p[1], p[2]);
|
|
|
|
l3dss1_msg_without_setup(pc, CAUSE_INVALID_CONTENTS);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
2001-02-11 22:46:19 +00:00
|
|
|
} else {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "setup without bearer capabilities");
|
|
|
|
/* ETS 300-104 1.3.3 */
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_msg_without_setup(pc, CAUSE_MANDATORY_IE_MISS);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* Channel Identification
|
|
|
|
*/
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((pc->para.SETUP.CHANNEL_ID = l3dss1_get_channel_id(pc, skb))) {
|
|
|
|
if (pc->bc) {
|
|
|
|
if ((3 == pc->bc) && (0x10 == (pc->para.SETUP.BEARER[2] & 0x7f))) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "setup with wrong chid %x",
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->bc);
|
|
|
|
l3dss1_msg_without_setup(pc,
|
2001-02-11 22:46:19 +00:00
|
|
|
CAUSE_INVALID_CONTENTS);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
bcfound++;
|
|
|
|
} else {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "setup without bchannel, call waiting");
|
|
|
|
bcfound++;
|
|
|
|
}
|
|
|
|
} else {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "setup with wrong chid ret %d", pc->err);
|
|
|
|
if (pc->err == -1)
|
2001-02-11 22:46:19 +00:00
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
else
|
|
|
|
cause = CAUSE_INVALID_CONTENTS;
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_msg_without_setup(pc, cause);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Now we are on none mandatory IEs */
|
|
|
|
err = check_infoelements(pc, skb, ie_SETUP);
|
|
|
|
if (ERR_IE_COMPREHENSION == err) {
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_msg_without_setup(pc, CAUSE_MANDATORY_IE_MISS);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.SETUP.COMPLETE =
|
|
|
|
findie(skb->data, skb->len, IE_COMPLETE, 0);
|
|
|
|
pc->para.SETUP.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
|
|
|
pc->para.SETUP.PROGRESS =
|
|
|
|
findie(skb->data, skb->len, IE_PROGRESS, 0);
|
|
|
|
pc->para.SETUP.NET_FAC =
|
|
|
|
findie(skb->data, skb->len, IE_NET_FAC, 0);
|
|
|
|
pc->para.SETUP.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.SETUP.SIGNAL =
|
|
|
|
findie(skb->data, skb->len, IE_SIGNAL, 0);
|
|
|
|
pc->para.SETUP.CALLED_PN =
|
|
|
|
findie(skb->data, skb->len, IE_CALLED_PN, 0);
|
|
|
|
pc->para.SETUP.CALLED_SUB =
|
|
|
|
findie(skb->data, skb->len, IE_CALLED_SUB, 0);
|
|
|
|
pc->para.SETUP.CALLING_PN =
|
|
|
|
findie(skb->data, skb->len, IE_CALLING_PN, 0);
|
|
|
|
pc->para.SETUP.CALLING_SUB =
|
|
|
|
findie(skb->data, skb->len, IE_CALLING_SUB, 0);
|
|
|
|
pc->para.SETUP.REDIR_NR =
|
|
|
|
findie(skb->data, skb->len, IE_REDIR_NR, 0);
|
|
|
|
pc->para.SETUP.LLC =
|
|
|
|
findie(skb->data, skb->len, IE_LLC, 0);
|
|
|
|
pc->para.SETUP.HLC =
|
|
|
|
findie(skb->data, skb->len, IE_HLC, 0);
|
|
|
|
pc->para.SETUP.USER_USER =
|
|
|
|
findie(skb->data, skb->len, IE_USER_USER, 0);
|
2001-02-11 22:46:19 +00:00
|
|
|
newl3state(pc, 6);
|
2001-02-20 00:34:55 +00:00
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
L3AddTimer(&pc->timer, T_CTRL, CC_TCTRL);
|
2001-02-11 22:46:19 +00:00
|
|
|
if (err) /* STATUS for none mandatory IE errors after actions are taken */
|
|
|
|
l3dss1_std_ie_err(pc, err);
|
2001-10-31 23:06:07 +00:00
|
|
|
id = &pc->id;
|
|
|
|
err = hisax_l3up(pc, NULL, CC_NEW_CR | INDICATION, sizeof(id), &id);
|
|
|
|
if (err) {
|
2001-02-27 17:45:44 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
2001-10-31 23:06:07 +00:00
|
|
|
l3_debug(pc->l3, "cannot register SETUP CR err(%d)",
|
|
|
|
err);
|
2001-02-27 17:45:44 +00:00
|
|
|
release_l3_process(pc);
|
2001-10-31 23:06:07 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
hisax_l3up(pc, NULL, CC_SETUP | INDICATION, sizeof(SETUP_t),
|
|
|
|
&pc->para.SETUP);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_reset(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
release_l3_process(pc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_release(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int ret, cause=0;
|
|
|
|
|
|
|
|
StopAllL3Timer(pc);
|
2001-02-19 11:51:42 +00:00
|
|
|
if (!(pc->para.RELEASE.CAUSE = l3dss1_get_cause(pc, skb))) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "REL get_cause ret(%d)", pc->err);
|
|
|
|
if ((pc->err<0) && (pc->state != 11))
|
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
else if (pc->err>0)
|
|
|
|
cause = CAUSE_INVALID_CONTENTS;
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
ret = check_infoelements(pc, skb, ie_RELEASE);
|
|
|
|
if (ERR_IE_COMPREHENSION == ret)
|
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
else if ((ERR_IE_UNRECOGNIZED == ret) && (!cause))
|
|
|
|
cause = CAUSE_IE_NOTIMPLEMENTED;
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.RELEASE.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
|
|
|
pc->para.RELEASE.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.RELEASE.SIGNAL =
|
|
|
|
findie(skb->data, skb->len, IE_SIGNAL, 0);
|
|
|
|
pc->para.RELEASE.USER_USER =
|
|
|
|
findie(skb->data, skb->len, IE_USER_USER, 0);
|
2001-02-11 22:46:19 +00:00
|
|
|
if (cause)
|
|
|
|
l3dss1_message_cause(pc, MT_RELEASE_COMPLETE, cause);
|
|
|
|
else
|
|
|
|
l3dss1_message(pc, MT_RELEASE_COMPLETE);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_RELEASE | INDICATION,
|
|
|
|
sizeof(RELEASE_t), &pc->para.RELEASE);
|
2001-02-11 22:46:19 +00:00
|
|
|
newl3state(pc, 0);
|
|
|
|
release_l3_process(pc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_progress(l3_process_t *pc, u_char pr, void *arg) {
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int err = 0;
|
2001-02-19 11:51:42 +00:00
|
|
|
u_char cause = CAUSE_INVALID_CONTENTS;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((pc->para.PROGRESS.PROGRESS = findie(skb->data, skb->len, IE_PROGRESS, 0))) {
|
|
|
|
if (pc->para.PROGRESS.PROGRESS[0] != 2) {
|
2001-02-11 22:46:19 +00:00
|
|
|
err = 1;
|
2001-02-19 11:51:42 +00:00
|
|
|
} else if (!(pc->para.PROGRESS.PROGRESS[1] & 0x70)) {
|
|
|
|
switch (pc->para.PROGRESS.PROGRESS[1]) {
|
2001-02-11 22:46:19 +00:00
|
|
|
case 0x80:
|
|
|
|
case 0x81:
|
|
|
|
case 0x82:
|
|
|
|
case 0x84:
|
|
|
|
case 0x85:
|
|
|
|
case 0x87:
|
|
|
|
case 0x8a:
|
2001-02-19 11:51:42 +00:00
|
|
|
switch (pc->para.PROGRESS.PROGRESS[2]) {
|
2001-02-11 22:46:19 +00:00
|
|
|
case 0x81:
|
|
|
|
case 0x82:
|
|
|
|
case 0x83:
|
|
|
|
case 0x84:
|
|
|
|
case 0x88:
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err = 2;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err = 3;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
err = 4;
|
|
|
|
}
|
|
|
|
if (err) {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "progress error %d", err);
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(pc, cause);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Now we are on none mandatory IEs */
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.PROGRESS.BEARER =
|
|
|
|
findie(skb->data, skb->len, IE_BEARER, 0);
|
|
|
|
pc->para.PROGRESS.CAUSE = l3dss1_get_cause(pc, skb);
|
|
|
|
pc->para.PROGRESS.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
|
|
|
pc->para.PROGRESS.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.PROGRESS.HLC =
|
|
|
|
findie(skb->data, skb->len, IE_HLC, 0);
|
|
|
|
pc->para.PROGRESS.USER_USER =
|
|
|
|
findie(skb->data, skb->len, IE_USER_USER, 0);
|
2001-02-11 22:46:19 +00:00
|
|
|
err = check_infoelements(pc, skb, ie_PROGRESS);
|
|
|
|
if (err)
|
|
|
|
l3dss1_std_ie_err(pc, err);
|
2001-02-19 11:51:42 +00:00
|
|
|
if (ERR_IE_COMPREHENSION != err)
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_PROGRESS | INDICATION,
|
|
|
|
sizeof(PROGRESS_t), &pc->para.PROGRESS);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_notify(l3_process_t *pc, u_char pr, void *arg) {
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int err = 0;
|
|
|
|
u_char cause = CAUSE_INVALID_CONTENTS;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((pc->para.NOTIFY.NOTIFY = findie(skb->data, skb->len, IE_NOTIFY, 0))) {
|
|
|
|
if (pc->para.NOTIFY.NOTIFY[0] != 1) {
|
|
|
|
err = 1;
|
|
|
|
} else {
|
|
|
|
switch (pc->para.NOTIFY.NOTIFY[1]) {
|
|
|
|
case 0x80:
|
|
|
|
case 0x81:
|
|
|
|
case 0x82:
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
err = 2;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
err = 3;
|
|
|
|
}
|
|
|
|
if (err) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "notify error %d", err);
|
|
|
|
l3dss1_status_send(pc, cause);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Now we are on none mandatory IEs */
|
|
|
|
pc->para.NOTIFY.BEARER =
|
|
|
|
findie(skb->data, skb->len, IE_BEARER, 0);
|
|
|
|
pc->para.NOTIFY.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
err = check_infoelements(pc, skb, ie_NOTIFY);
|
|
|
|
if (err)
|
|
|
|
l3dss1_std_ie_err(pc, err);
|
|
|
|
if (ERR_IE_COMPREHENSION != err)
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_NOTIFY | INDICATION, sizeof(NOTIFY_t),
|
2001-03-03 18:17:16 +00:00
|
|
|
&pc->para.NOTIFY);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_enq(l3_process_t *pc, u_char pr, void *arg) {
|
|
|
|
int ret;
|
|
|
|
struct sk_buff *skb = arg;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
ret = check_infoelements(pc, skb, ie_STATUS_ENQUIRY);
|
|
|
|
pc->para.STATUS_ENQUIRY.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
l3dss1_status_send(pc, CAUSE_STATUS_RESPONSE);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_STATUS_ENQUIRY | INDICATION,
|
2001-03-03 18:17:16 +00:00
|
|
|
sizeof(STATUS_ENQUIRY_t), &pc->para.STATUS_ENQUIRY);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_information(l3_process_t *pc, u_char pr, void *arg) {
|
|
|
|
int ret;
|
|
|
|
struct sk_buff *skb = arg;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.INFORMATION.COMPLETE =
|
|
|
|
findie(skb->data, skb->len, IE_COMPLETE, 0);
|
|
|
|
pc->para.INFORMATION.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
pc->para.INFORMATION.KEYPAD =
|
|
|
|
findie(skb->data, skb->len, IE_KEYPAD, 0);
|
|
|
|
pc->para.INFORMATION.SIGNAL =
|
|
|
|
findie(skb->data, skb->len, IE_SIGNAL, 0);
|
|
|
|
pc->para.INFORMATION.CALLED_PN =
|
|
|
|
findie(skb->data, skb->len, IE_CALLED_PN, 0);
|
|
|
|
ret = check_infoelements(pc, skb, ie_INFORMATION);
|
|
|
|
if (ret)
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
if (pc->state == 25) { /* overlap receiving */
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
L3AddTimer(&pc->timer, T302, CC_T302);
|
|
|
|
}
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_INFORMATION | INDICATION,
|
|
|
|
sizeof(INFORMATION_t), &pc->para.INFORMATION);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_release_ind(l3_process_t *pc, u_char pr, void *arg)
|
2001-02-11 22:46:19 +00:00
|
|
|
{
|
2001-02-19 11:51:42 +00:00
|
|
|
u_char *p;
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int callState = 0;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((p = findie(skb->data, skb->len, IE_CALL_STATE, 0))) {
|
|
|
|
if (1 == *p++)
|
|
|
|
callState = *p;
|
|
|
|
}
|
|
|
|
if (callState == 0) {
|
|
|
|
/* ETS 300-104 7.6.1, 8.6.1, 10.6.1... and 16.1
|
|
|
|
* set down layer 3 without sending any message
|
|
|
|
*/
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_RELEASE | INDICATION, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
newl3state(pc, 0);
|
|
|
|
release_l3_process(pc);
|
|
|
|
} else {
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_RELEASE | INDICATION, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_restart(l3_process_t *pc, u_char pr, void *arg) {
|
|
|
|
L3DelTimer(&pc->timer);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_RELEASE | INDICATION, 0, NULL);
|
2001-02-11 22:46:19 +00:00
|
|
|
release_l3_process(pc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_status(l3_process_t *pc, u_char pr, void *arg) {
|
|
|
|
struct sk_buff *skb = arg;
|
2001-02-19 11:51:42 +00:00
|
|
|
int ret = 0;
|
2001-02-11 22:46:19 +00:00
|
|
|
u_char cause = 0, callState = 0;
|
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if (!(pc->para.STATUS.CAUSE = l3dss1_get_cause(pc, skb))) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "STATUS get_cause ret(%d)", pc->err);
|
|
|
|
if (pc->err < 0)
|
2001-02-11 22:46:19 +00:00
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
2001-02-19 11:51:42 +00:00
|
|
|
else if (pc->err > 0)
|
2001-02-11 22:46:19 +00:00
|
|
|
cause = CAUSE_INVALID_CONTENTS;
|
2001-02-19 11:51:42 +00:00
|
|
|
ret = pc->err;
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((pc->para.STATUS.CALL_STATE =
|
|
|
|
findie(skb->data, skb->len, IE_CALL_STATE, 0))) {
|
|
|
|
if (1 == pc->para.STATUS.CALL_STATE[0]) {
|
|
|
|
callState = pc->para.STATUS.CALL_STATE[1];
|
|
|
|
if (!ie_in_set(pc, callState, l3_valid_states))
|
2001-02-11 22:46:19 +00:00
|
|
|
cause = CAUSE_INVALID_CONTENTS;
|
|
|
|
} else
|
|
|
|
cause = CAUSE_INVALID_CONTENTS;
|
|
|
|
} else
|
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
if (!cause) { /* no error before */
|
|
|
|
ret = check_infoelements(pc, skb, ie_STATUS);
|
|
|
|
if (ERR_IE_COMPREHENSION == ret)
|
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
else if (ERR_IE_UNRECOGNIZED == ret)
|
|
|
|
cause = CAUSE_IE_NOTIMPLEMENTED;
|
|
|
|
}
|
|
|
|
if (cause) {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "STATUS error(%d/%d)", ret, cause);
|
|
|
|
l3dss1_status_send(pc, cause);
|
2001-02-11 22:46:19 +00:00
|
|
|
if (cause != CAUSE_IE_NOTIMPLEMENTED)
|
|
|
|
return;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.STATUS.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
|
|
|
if (pc->para.STATUS.CAUSE)
|
|
|
|
cause = pc->err & 0x7f;
|
|
|
|
if ((cause == CAUSE_PROTOCOL_ERROR) && (callState == 0)) {
|
2001-02-11 22:46:19 +00:00
|
|
|
/* ETS 300-104 7.6.1, 8.6.1, 10.6.1...
|
|
|
|
* if received MT_STATUS with cause == 111 and call
|
|
|
|
* state == 0, then we must set down layer 3
|
|
|
|
*/
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_STATUS| INDICATION, sizeof(STATUS_t),
|
2001-03-03 18:17:16 +00:00
|
|
|
&pc->para.STATUS);
|
2001-02-11 22:46:19 +00:00
|
|
|
newl3state(pc, 0);
|
|
|
|
release_l3_process(pc);
|
2001-02-19 11:51:42 +00:00
|
|
|
} else
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_STATUS | INDICATION, sizeof(STATUS_t),
|
2001-03-03 18:17:16 +00:00
|
|
|
&pc->para.STATUS);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_facility(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = check_infoelements(pc, skb, ie_FACILITY);
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
2001-02-19 11:51:42 +00:00
|
|
|
if (!(pc->para.FACILITY.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0))) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "FACILITY without IE_FACILITY");
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
|
|
|
pc->para.FACILITY.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_FACILITY | INDICATION, sizeof(FACILITY_t),
|
2001-03-03 18:17:16 +00:00
|
|
|
&pc->para.FACILITY);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_suspend_ack(l3_process_t *pc, u_char pr, void *arg) {
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
newl3state(pc, 0);
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.SUSPEND_ACKNOWLEDGE.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
|
|
|
pc->para.SUSPEND_ACKNOWLEDGE.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
2001-02-11 22:46:19 +00:00
|
|
|
/* We don't handle suspend_ack for IE errors now */
|
|
|
|
if ((ret = check_infoelements(pc, skb, ie_SUSPEND_ACKNOWLEDGE)))
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "SUSPACK check ie(%d)",ret);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_SUSPEND_ACKNOWLEDGE | INDICATION,
|
2001-03-03 18:17:16 +00:00
|
|
|
sizeof(SUSPEND_ACKNOWLEDGE_t), &pc->para.SUSPEND_ACKNOWLEDGE);
|
2001-02-11 22:46:19 +00:00
|
|
|
release_l3_process(pc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_suspend_rej(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int ret;
|
|
|
|
u_char cause;
|
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if (!(pc->para.SUSPEND_REJECT.CAUSE = l3dss1_get_cause(pc, skb))) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "SUSP_REJ get_cause err(%d)",pc->err);
|
|
|
|
if (pc->err < 0)
|
2001-02-11 22:46:19 +00:00
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
else
|
|
|
|
cause = CAUSE_INVALID_CONTENTS;
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(pc, cause);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.SUSPEND_REJECT.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
2001-02-11 22:46:19 +00:00
|
|
|
ret = check_infoelements(pc, skb, ie_SUSPEND_REJECT);
|
|
|
|
if (ERR_IE_COMPREHENSION == ret) {
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
L3DelTimer(&pc->timer);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_SUSPEND_REJECT | INDICATION,
|
2001-03-03 18:17:16 +00:00
|
|
|
sizeof(SUSPEND_REJECT_t), &pc->para.SUSPEND_REJECT);
|
2001-02-11 22:46:19 +00:00
|
|
|
newl3state(pc, 10);
|
|
|
|
if (ret) /* STATUS for none mandatory IE errors after actions are taken */
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_resume_ack(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
2001-02-19 11:51:42 +00:00
|
|
|
int ret;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if ((pc->para.RESUME_ACKNOWLEDGE.CHANNEL_ID = l3dss1_get_channel_id(pc, skb))) {
|
|
|
|
if ((0 == pc->bc) || (3 == pc->bc)) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "resume ack with wrong chid %x",
|
|
|
|
pc->bc);
|
|
|
|
l3dss1_status_send(pc, CAUSE_INVALID_CONTENTS);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
} else if (1 == pc->state) {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "resume ack without chid err(%d)",
|
|
|
|
pc->err);
|
|
|
|
l3dss1_status_send(pc, CAUSE_MANDATORY_IE_MISS);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
ret = check_infoelements(pc, skb, ie_RESUME_ACKNOWLEDGE);
|
|
|
|
if (ERR_IE_COMPREHENSION == ret) {
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
return;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.RESUME_ACKNOWLEDGE.FACILITY =
|
|
|
|
findie(skb->data, skb->len, IE_FACILITY, 0);
|
|
|
|
pc->para.RESUME_ACKNOWLEDGE.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
2001-02-11 22:46:19 +00:00
|
|
|
L3DelTimer(&pc->timer);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_RESUME_ACKNOWLEDGE | INDICATION,
|
2001-03-03 18:17:16 +00:00
|
|
|
sizeof(RESUME_ACKNOWLEDGE_t), &pc->para.RESUME_ACKNOWLEDGE);
|
2001-02-11 22:46:19 +00:00
|
|
|
newl3state(pc, 10);
|
|
|
|
if (ret) /* STATUS for none mandatory IE errors after actions are taken */
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_resume_rej(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
int ret;
|
|
|
|
u_char cause;
|
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
if (!(pc->para.RESUME_REJECT.CAUSE = l3dss1_get_cause(pc, skb))) {
|
|
|
|
if (pc->l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(pc->l3, "RES_REJ get_cause err(%d)",pc->err);
|
|
|
|
if (pc->err < 0)
|
2001-02-11 22:46:19 +00:00
|
|
|
cause = CAUSE_MANDATORY_IE_MISS;
|
|
|
|
else
|
|
|
|
cause = CAUSE_INVALID_CONTENTS;
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(pc, cause);
|
2001-02-11 22:46:19 +00:00
|
|
|
return;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->para.RESUME_REJECT.DISPLAY =
|
|
|
|
findie(skb->data, skb->len, IE_DISPLAY, 0);
|
2001-02-11 22:46:19 +00:00
|
|
|
ret = check_infoelements(pc, skb, ie_RESUME_REJECT);
|
|
|
|
if (ERR_IE_COMPREHENSION == ret) {
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
L3DelTimer(&pc->timer);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_RESUME_REJECT | INDICATION,
|
|
|
|
sizeof(RESUME_REJECT_t), &pc->para.RESUME_REJECT);
|
2001-02-11 22:46:19 +00:00
|
|
|
newl3state(pc, 0);
|
|
|
|
if (ret) /* STATUS for none mandatory IE errors after actions are taken */
|
|
|
|
l3dss1_std_ie_err(pc, ret);
|
|
|
|
release_l3_process(pc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_global_restart(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
2001-02-19 11:51:42 +00:00
|
|
|
u_char *p, ri, ch = 0, chan = 0;
|
2001-02-11 22:46:19 +00:00
|
|
|
struct sk_buff *skb = arg;
|
|
|
|
l3_process_t *up;
|
|
|
|
|
|
|
|
newl3state(pc, 2);
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
if ((p = findie(skb->data, skb->len, IE_RESTART_IND, 0))) {
|
2001-02-19 11:51:42 +00:00
|
|
|
ri = p[1];
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "Restart %x", ri);
|
|
|
|
} else {
|
|
|
|
l3_debug(pc->l3, "Restart without restart IE");
|
|
|
|
ri = 0x86;
|
|
|
|
}
|
|
|
|
if ((p = findie(skb->data, skb->len, IE_CHANNEL_ID, 0))) {
|
2001-02-19 11:51:42 +00:00
|
|
|
chan = p[1] & 3;
|
|
|
|
ch = p[1];
|
|
|
|
if (pc->l3->debug)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(pc->l3, "Restart for channel %d", chan);
|
|
|
|
}
|
|
|
|
newl3state(pc, 2);
|
|
|
|
up = pc->l3->proc;
|
|
|
|
while (up) {
|
|
|
|
if ((ri & 7) == 7)
|
2001-02-13 10:42:55 +00:00
|
|
|
dss1man(up, CC_RESTART | REQUEST, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
else if (up->bc == chan)
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(up, NULL, CC_RESTART | REQUEST, 0, NULL);
|
2001-02-11 22:46:19 +00:00
|
|
|
up = up->next;
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
MsgStart(pc, MT_RESTART_ACKNOWLEDGE);
|
2001-02-11 22:46:19 +00:00
|
|
|
if (chan) {
|
2001-02-19 11:51:42 +00:00
|
|
|
*pc->op++ = IE_CHANNEL_ID;
|
|
|
|
*pc->op++ = 1;
|
|
|
|
*pc->op++ = ch | 0x80;
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
*pc->op++ = IE_RESTART_IND;
|
|
|
|
*pc->op++ = 1;
|
|
|
|
*pc->op++ = ri;
|
|
|
|
SendMsg(pc, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_dummy(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_t302(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
newl3state(pc, 11);
|
|
|
|
l3dss1_message_cause(pc, MT_DISCONNECT, CAUSE_INVALID_NUMBER);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_TIMEOUT | INDICATION, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_t303(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
if (pc->n303 > 0) {
|
|
|
|
pc->n303--;
|
|
|
|
if (pc->obuf[3] == MT_SETUP) {
|
|
|
|
if (!SendMsg(pc, -1)) {
|
|
|
|
L3AddTimer(&pc->timer, T303, CC_T303);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
l3dss1_message_cause(pc, MT_RELEASE_COMPLETE, CAUSE_TIMER_EXPIRED);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_TIMEOUT | INDICATION, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
release_l3_process(pc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_t304(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
newl3state(pc, 11);
|
|
|
|
l3dss1_message_cause(pc, MT_DISCONNECT, CAUSE_TIMER_EXPIRED);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_TIMEOUT | INDICATION, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_t305(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
#if 0
|
|
|
|
if (pc->cause != NO_CAUSE)
|
|
|
|
cause = pc->cause;
|
|
|
|
#endif
|
|
|
|
newl3state(pc, 19);
|
|
|
|
l3dss1_message_cause(pc, MT_RELEASE, CAUSE_NORMALUNSPECIFIED);
|
|
|
|
L3AddTimer(&pc->timer, T308, CC_T308_1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_t310(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
newl3state(pc, 11);
|
|
|
|
l3dss1_message_cause(pc, MT_DISCONNECT, CAUSE_TIMER_EXPIRED);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_TIMEOUT | INDICATION, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_t313(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
newl3state(pc, 11);
|
|
|
|
l3dss1_message_cause(pc, MT_DISCONNECT, CAUSE_TIMER_EXPIRED);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_TIMEOUT | INDICATION, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_t308_1(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
newl3state(pc, 19);
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
l3dss1_message(pc, MT_RELEASE);
|
|
|
|
L3AddTimer(&pc->timer, T308, CC_T308_2);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_t308_2(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
L3DelTimer(&pc->timer);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_TIMEOUT | INDICATION, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
release_l3_process(pc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_t318(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
#if 0
|
|
|
|
pc->cause = 102; /* Timer expiry */
|
|
|
|
pc->para.loc = 0; /* local */
|
|
|
|
#endif
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_RESUME_REJECT | INDICATION, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
newl3state(pc, 19);
|
|
|
|
l3dss1_message(pc, MT_RELEASE);
|
|
|
|
L3AddTimer(&pc->timer, T308, CC_T308_1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_t319(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
#if 0
|
|
|
|
pc->cause = 102; /* Timer expiry */
|
|
|
|
pc->para.loc = 0; /* local */
|
|
|
|
#endif
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_SUSPEND_REJECT | INDICATION, 0, NULL);
|
2001-02-19 11:51:42 +00:00
|
|
|
newl3state(pc, 10);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_dl_reset(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
2001-02-21 19:18:27 +00:00
|
|
|
DISCONNECT_t disc;
|
|
|
|
u_char cause[4];
|
|
|
|
|
|
|
|
memset(&disc, 0, sizeof(DISCONNECT_t));
|
|
|
|
disc.CAUSE = cause;
|
|
|
|
cause[0] = 2;
|
|
|
|
cause[1] = 0x80 | CAUSE_LOC_USER;
|
|
|
|
cause[2] = 0x80 | CAUSE_TEMPORARY_FAILURE;
|
|
|
|
l3dss1_disconnect_req(pc, pr, &disc);
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, CC_DISCONNECT | REQUEST,
|
|
|
|
sizeof(DISCONNECT_t), &disc);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_dl_release(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
2001-02-21 19:18:27 +00:00
|
|
|
newl3state(pc, 0);
|
2001-02-11 22:46:19 +00:00
|
|
|
#if 0
|
2001-02-19 11:51:42 +00:00
|
|
|
pc->cause = 0x1b; /* Destination out of order */
|
2001-02-11 22:46:19 +00:00
|
|
|
pc->para.loc = 0;
|
|
|
|
#endif
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_l3up(pc, NULL, DL_RELEASE | INDICATION, 0, NULL);
|
2001-02-21 19:18:27 +00:00
|
|
|
release_l3_process(pc);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_dl_reestablish(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
2001-02-21 19:18:27 +00:00
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
L3AddTimer(&pc->timer, T309, CC_T309);
|
2001-03-03 18:17:16 +00:00
|
|
|
l3_msg(pc->l3, DL_ESTABLISH | REQUEST, 0, 0, NULL);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
l3dss1_dl_reest_status(l3_process_t *pc, u_char pr, void *arg)
|
|
|
|
{
|
|
|
|
L3DelTimer(&pc->timer);
|
|
|
|
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(pc, CAUSE_NORMALUNSPECIFIED);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* *INDENT-OFF* */
|
|
|
|
static struct stateentry downstatelist[] =
|
|
|
|
{
|
|
|
|
{SBIT(0),
|
|
|
|
CC_SETUP | REQUEST, l3dss1_setup_req},
|
|
|
|
{SBIT(0),
|
|
|
|
CC_RESUME | REQUEST, l3dss1_resume_req},
|
2001-02-13 10:42:55 +00:00
|
|
|
{SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(6) | SBIT(7) |
|
|
|
|
SBIT(8) | SBIT(9) | SBIT(10) | SBIT(25),
|
2001-02-11 22:46:19 +00:00
|
|
|
CC_DISCONNECT | REQUEST, l3dss1_disconnect_req},
|
|
|
|
{SBIT(12),
|
|
|
|
CC_RELEASE | REQUEST, l3dss1_release_req},
|
|
|
|
{ALL_STATES,
|
|
|
|
CC_RESTART | REQUEST, l3dss1_restart},
|
|
|
|
{SBIT(6) | SBIT(25),
|
2001-02-19 11:51:42 +00:00
|
|
|
CC_SETUP | RESPONSE, l3dss1_release_cmpl_req},
|
2001-10-31 23:06:07 +00:00
|
|
|
{ALL_STATES,
|
|
|
|
CC_RELEASE_COMPLETE | REQUEST, l3dss1_release_cmpl_req},
|
2001-02-11 22:46:19 +00:00
|
|
|
{SBIT(6) | SBIT(25),
|
2001-03-11 21:05:21 +00:00
|
|
|
CC_PROCEEDING | REQUEST, l3dss1_proceed_req},
|
2001-02-11 22:46:19 +00:00
|
|
|
{SBIT(6),
|
2001-03-11 21:05:21 +00:00
|
|
|
CC_SETUP_ACKNOWLEDGE | REQUEST, l3dss1_setup_ack_req},
|
2001-02-11 22:46:19 +00:00
|
|
|
{SBIT(25),
|
2001-03-11 21:05:21 +00:00
|
|
|
CC_SETUP_ACKNOWLEDGE | REQUEST, l3dss1_dummy},
|
2001-02-11 22:46:19 +00:00
|
|
|
{SBIT(6) | SBIT(9) | SBIT(25),
|
|
|
|
CC_ALERTING | REQUEST, l3dss1_alert_req},
|
|
|
|
{SBIT(6) | SBIT(7) | SBIT(9) | SBIT(25),
|
2001-02-13 10:42:55 +00:00
|
|
|
CC_CONNECT | REQUEST, l3dss1_connect_req},
|
2001-02-11 22:46:19 +00:00
|
|
|
{SBIT(10),
|
|
|
|
CC_SUSPEND | REQUEST, l3dss1_suspend_req},
|
|
|
|
};
|
|
|
|
|
|
|
|
#define DOWNSLLEN \
|
|
|
|
(sizeof(downstatelist) / sizeof(struct stateentry))
|
|
|
|
|
|
|
|
static struct stateentry datastatelist[] =
|
|
|
|
{
|
|
|
|
{ALL_STATES,
|
|
|
|
MT_STATUS_ENQUIRY, l3dss1_status_enq},
|
|
|
|
{ALL_STATES,
|
|
|
|
MT_FACILITY, l3dss1_facility},
|
|
|
|
{SBIT(19),
|
|
|
|
MT_STATUS, l3dss1_release_ind},
|
|
|
|
{ALL_STATES,
|
|
|
|
MT_STATUS, l3dss1_status},
|
|
|
|
{SBIT(0),
|
|
|
|
MT_SETUP, l3dss1_setup},
|
|
|
|
{SBIT(6) | SBIT(7) | SBIT(8) | SBIT(9) | SBIT(10) | SBIT(11) | SBIT(12) |
|
|
|
|
SBIT(15) | SBIT(17) | SBIT(19) | SBIT(25),
|
|
|
|
MT_SETUP, l3dss1_dummy},
|
|
|
|
{SBIT(1) | SBIT(2),
|
|
|
|
MT_CALL_PROCEEDING, l3dss1_call_proc},
|
|
|
|
{SBIT(1),
|
|
|
|
MT_SETUP_ACKNOWLEDGE, l3dss1_setup_ack},
|
|
|
|
{SBIT(2) | SBIT(3),
|
|
|
|
MT_ALERTING, l3dss1_alerting},
|
|
|
|
{SBIT(2) | SBIT(3),
|
|
|
|
MT_PROGRESS, l3dss1_progress},
|
|
|
|
{SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(9) | SBIT(10) |
|
|
|
|
SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17) | SBIT(19) | SBIT(25),
|
|
|
|
MT_INFORMATION, l3dss1_information},
|
|
|
|
{SBIT(10) | SBIT(11) | SBIT(15),
|
|
|
|
MT_NOTIFY, l3dss1_notify},
|
|
|
|
{SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10) |
|
|
|
|
SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17) | SBIT(19) | SBIT(25),
|
|
|
|
MT_RELEASE_COMPLETE, l3dss1_release_cmpl},
|
|
|
|
{SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(9) | SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17) | SBIT(25),
|
|
|
|
MT_RELEASE, l3dss1_release},
|
|
|
|
{SBIT(19), MT_RELEASE, l3dss1_release_ind},
|
|
|
|
{SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(9) | SBIT(10) | SBIT(11) | SBIT(15) | SBIT(17) | SBIT(25),
|
|
|
|
MT_DISCONNECT, l3dss1_disconnect},
|
|
|
|
{SBIT(19),
|
|
|
|
MT_DISCONNECT, l3dss1_dummy},
|
|
|
|
{SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4),
|
|
|
|
MT_CONNECT, l3dss1_connect},
|
|
|
|
{SBIT(8),
|
|
|
|
MT_CONNECT_ACKNOWLEDGE, l3dss1_connect_ack},
|
|
|
|
{SBIT(15),
|
|
|
|
MT_SUSPEND_ACKNOWLEDGE, l3dss1_suspend_ack},
|
|
|
|
{SBIT(15),
|
|
|
|
MT_SUSPEND_REJECT, l3dss1_suspend_rej},
|
|
|
|
{SBIT(17),
|
|
|
|
MT_RESUME_ACKNOWLEDGE, l3dss1_resume_ack},
|
|
|
|
{SBIT(17),
|
|
|
|
MT_RESUME_REJECT, l3dss1_resume_rej},
|
|
|
|
};
|
|
|
|
|
|
|
|
#define DATASLLEN \
|
|
|
|
(sizeof(datastatelist) / sizeof(struct stateentry))
|
|
|
|
|
|
|
|
static struct stateentry globalmes_list[] =
|
|
|
|
{
|
|
|
|
{ALL_STATES,
|
|
|
|
MT_STATUS, l3dss1_status},
|
|
|
|
{SBIT(0),
|
|
|
|
MT_RESTART, l3dss1_global_restart},
|
|
|
|
/* {SBIT(1),
|
|
|
|
MT_RESTART_ACKNOWLEDGE, l3dss1_restart_ack},
|
|
|
|
*/
|
|
|
|
};
|
|
|
|
#define GLOBALM_LEN \
|
|
|
|
(sizeof(globalmes_list) / sizeof(struct stateentry))
|
|
|
|
|
|
|
|
static struct stateentry manstatelist[] =
|
|
|
|
{
|
|
|
|
{SBIT(2),
|
|
|
|
DL_ESTABLISH | INDICATION, l3dss1_dl_reset},
|
|
|
|
{SBIT(10),
|
|
|
|
DL_ESTABLISH | CONFIRM, l3dss1_dl_reest_status},
|
|
|
|
{SBIT(10),
|
|
|
|
DL_RELEASE | INDICATION, l3dss1_dl_reestablish},
|
|
|
|
{ALL_STATES,
|
|
|
|
DL_RELEASE | INDICATION, l3dss1_dl_release},
|
2001-02-13 10:42:55 +00:00
|
|
|
{SBIT(25),
|
|
|
|
CC_T302, l3dss1_t302},
|
|
|
|
{SBIT(1),
|
|
|
|
CC_T303, l3dss1_t303},
|
|
|
|
{SBIT(2),
|
|
|
|
CC_T304, l3dss1_t304},
|
|
|
|
{SBIT(3),
|
|
|
|
CC_T310, l3dss1_t310},
|
|
|
|
{SBIT(8),
|
|
|
|
CC_T313, l3dss1_t313},
|
|
|
|
{SBIT(11),
|
|
|
|
CC_T305, l3dss1_t305},
|
|
|
|
{SBIT(15),
|
|
|
|
CC_T319, l3dss1_t319},
|
|
|
|
{SBIT(17),
|
|
|
|
CC_T318, l3dss1_t318},
|
|
|
|
{SBIT(19),
|
|
|
|
CC_T308_1, l3dss1_t308_1},
|
|
|
|
{SBIT(19),
|
|
|
|
CC_T308_2, l3dss1_t308_2},
|
|
|
|
{SBIT(10),
|
|
|
|
CC_T309, l3dss1_dl_release},
|
2001-02-20 00:34:55 +00:00
|
|
|
{SBIT(6),
|
|
|
|
CC_TCTRL, l3dss1_reset},
|
2001-02-13 10:42:55 +00:00
|
|
|
{ALL_STATES,
|
|
|
|
CC_RESTART | REQUEST, l3dss1_restart},
|
2001-02-11 22:46:19 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
#define MANSLLEN \
|
|
|
|
(sizeof(manstatelist) / sizeof(struct stateentry))
|
|
|
|
/* *INDENT-ON* */
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
global_handler(layer3_t *l3, int mt, struct sk_buff *skb)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
l3_process_t *proc = l3->global;
|
|
|
|
|
|
|
|
proc->callref = skb->data[2]; /* cr flag */
|
|
|
|
for (i = 0; i < GLOBALM_LEN; i++)
|
|
|
|
if ((mt == globalmes_list[i].primitive) &&
|
|
|
|
((1 << proc->state) & globalmes_list[i].state))
|
|
|
|
break;
|
|
|
|
if (i == GLOBALM_LEN) {
|
|
|
|
if (l3->debug & L3_DEB_STATE) {
|
|
|
|
l3_debug(l3, "dss1 global state %d mt %x unhandled",
|
|
|
|
proc->state, mt);
|
|
|
|
}
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(proc, CAUSE_INVALID_CALLREF);
|
2001-02-11 22:46:19 +00:00
|
|
|
} else {
|
|
|
|
if (l3->debug & L3_DEB_STATE) {
|
|
|
|
l3_debug(l3, "dss1 global %d mt %x",
|
|
|
|
proc->state, mt);
|
|
|
|
}
|
|
|
|
globalmes_list[i].rout(proc, mt, skb);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2001-02-13 10:42:55 +00:00
|
|
|
static int
|
2001-08-02 14:51:56 +00:00
|
|
|
dss1_fromdown(hisaxif_t *hif, struct sk_buff *skb)
|
|
|
|
{
|
2001-02-13 10:42:55 +00:00
|
|
|
layer3_t *l3;
|
2001-08-02 14:51:56 +00:00
|
|
|
int i, mt, cr, cause, callState, ret = -EINVAL;
|
2001-02-11 22:46:19 +00:00
|
|
|
char *ptr;
|
|
|
|
l3_process_t *proc;
|
2001-08-02 14:51:56 +00:00
|
|
|
hisax_head_t *hh;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-08-02 14:51:56 +00:00
|
|
|
if (!hif || !skb)
|
|
|
|
return(ret);
|
2001-02-13 10:42:55 +00:00
|
|
|
l3 = hif->fdata;
|
2001-08-02 14:51:56 +00:00
|
|
|
hh = (hisax_head_t *)skb->data;
|
|
|
|
printk(KERN_DEBUG __FUNCTION__ ": prim(%x)\n", hh->prim);
|
|
|
|
if (skb->len < HISAX_FRAME_MIN)
|
|
|
|
return(ret);
|
|
|
|
if (!l3)
|
|
|
|
return(ret);
|
|
|
|
skb_pull(skb, HISAX_HEAD_SIZE);
|
|
|
|
switch (hh->prim) {
|
2001-02-11 22:46:19 +00:00
|
|
|
case (DL_DATA | INDICATION):
|
|
|
|
case (DL_UNITDATA | INDICATION):
|
|
|
|
break;
|
|
|
|
case (DL_ESTABLISH | CONFIRM):
|
|
|
|
case (DL_ESTABLISH | INDICATION):
|
|
|
|
case (DL_RELEASE | INDICATION):
|
|
|
|
case (DL_RELEASE | CONFIRM):
|
2001-08-02 14:51:56 +00:00
|
|
|
if (l3_msg(l3, hh->prim, hh->dinfo, 0, skb))
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
break;
|
|
|
|
default:
|
2001-02-13 10:42:55 +00:00
|
|
|
printk(KERN_WARNING
|
2001-08-02 14:51:56 +00:00
|
|
|
"HiSax dss1up unknown pr=%04x\n", hh->prim);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(-EINVAL);
|
|
|
|
}
|
2001-02-11 22:46:19 +00:00
|
|
|
if (skb->len < 3) {
|
|
|
|
l3_debug(l3, "dss1up frame too short(%d)", skb->len);
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (skb->data[0] != PROTO_DIS_EURO) {
|
|
|
|
if (l3->debug & L3_DEB_PROTERR) {
|
|
|
|
l3_debug(l3, "dss1up%sunexpected discriminator %x message len %d",
|
2001-08-02 14:51:56 +00:00
|
|
|
(hh->prim == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
|
2001-02-11 22:46:19 +00:00
|
|
|
skb->data[0], skb->len);
|
|
|
|
}
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
cr = getcallref(skb->data);
|
|
|
|
if (skb->len < ((skb->data[1] & 0x0f) + 3)) {
|
|
|
|
l3_debug(l3, "dss1up frame too short(%d)", skb->len);
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
mt = skb->data[skb->data[1] + 2];
|
|
|
|
if (l3->debug & L3_DEB_STATE)
|
|
|
|
l3_debug(l3, "dss1up cr %d", cr);
|
|
|
|
if (cr == -2) { /* wrong Callref */
|
|
|
|
if (l3->debug & L3_DEB_WARN)
|
|
|
|
l3_debug(l3, "dss1up wrong Callref");
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
} else if (cr == -1) { /* Dummy Callref */
|
|
|
|
if (mt == MT_FACILITY)
|
2001-08-02 14:51:56 +00:00
|
|
|
l3dss1_facility(l3->dummy, hh->prim, skb);
|
2001-02-19 22:25:31 +00:00
|
|
|
else if (l3->debug & L3_DEB_WARN)
|
2001-02-11 22:46:19 +00:00
|
|
|
l3_debug(l3, "dss1up dummy Callref (no facility msg or ie)");
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
} else if ((((skb->data[1] & 0x0f) == 1) && (0==(cr & 0x7f))) ||
|
|
|
|
(((skb->data[1] & 0x0f) == 2) && (0==(cr & 0x7fff)))) { /* Global CallRef */
|
|
|
|
if (l3->debug & L3_DEB_STATE)
|
|
|
|
l3_debug(l3, "dss1up Global CallRef");
|
|
|
|
global_handler(l3, mt, skb);
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
} else if (!(proc = getl3proc(l3, cr))) {
|
|
|
|
/* No transaction process exist, that means no call with
|
|
|
|
* this callreference is active
|
|
|
|
*/
|
|
|
|
if (mt == MT_SETUP) {
|
|
|
|
/* Setup creates a new transaction process */
|
|
|
|
if (skb->data[2] & 0x80) {
|
|
|
|
/* Setup with wrong CREF flag */
|
|
|
|
if (l3->debug & L3_DEB_STATE)
|
|
|
|
l3_debug(l3, "dss1up wrong CRef flag");
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
2001-02-13 10:42:55 +00:00
|
|
|
if (!(proc = new_l3_process(l3, cr, N303))) {
|
2001-02-11 22:46:19 +00:00
|
|
|
/* May be to answer with RELEASE_COMPLETE and
|
|
|
|
* CAUSE 0x2f "Resource unavailable", but this
|
|
|
|
* need a new_l3_process too ... arghh
|
|
|
|
*/
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
} else if (mt == MT_STATUS) {
|
|
|
|
cause = 0;
|
|
|
|
if ((ptr = findie(skb->data, skb->len, IE_CAUSE, 0)) != NULL) {
|
|
|
|
if (*ptr++ == 2)
|
|
|
|
ptr++;
|
|
|
|
cause = *ptr & 0x7f;
|
|
|
|
}
|
|
|
|
callState = 0;
|
|
|
|
if ((ptr = findie(skb->data, skb->len, IE_CALL_STATE, 0)) != NULL) {
|
|
|
|
if (*ptr++ == 2)
|
|
|
|
ptr++;
|
|
|
|
callState = *ptr;
|
|
|
|
}
|
|
|
|
/* ETS 300-104 part 2.4.1
|
|
|
|
* if setup has not been made and a message type
|
|
|
|
* MT_STATUS is received with call state == 0,
|
|
|
|
* we must send nothing
|
|
|
|
*/
|
|
|
|
if (callState != 0) {
|
|
|
|
/* ETS 300-104 part 2.4.2
|
|
|
|
* if setup has not been made and a message type
|
|
|
|
* MT_STATUS is received with call state != 0,
|
|
|
|
* we must send MT_RELEASE_COMPLETE cause 101
|
|
|
|
*/
|
2001-02-13 10:42:55 +00:00
|
|
|
if ((proc = new_l3_process(l3, cr, N303))) {
|
2001-02-11 22:46:19 +00:00
|
|
|
l3dss1_msg_without_setup(proc,
|
2001-02-19 11:51:42 +00:00
|
|
|
CAUSE_NOTCOMPAT_STATE);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
} else if (mt == MT_RELEASE_COMPLETE) {
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
} else {
|
|
|
|
/* ETS 300-104 part 2
|
|
|
|
* if setup has not been made and a message type
|
|
|
|
* (except MT_SETUP and RELEASE_COMPLETE) is received,
|
|
|
|
* we must send MT_RELEASE_COMPLETE cause 81 */
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
if ((proc = new_l3_process(l3, cr, N303))) {
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_msg_without_setup(proc,
|
2001-02-11 22:46:19 +00:00
|
|
|
CAUSE_INVALID_CALLREF);
|
|
|
|
}
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
if (l3dss1_check_messagetype_validity(proc, mt, skb)) {
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
for (i = 0; i < DATASLLEN; i++)
|
|
|
|
if ((mt == datastatelist[i].primitive) &&
|
|
|
|
((1 << proc->state) & datastatelist[i].state))
|
|
|
|
break;
|
|
|
|
if (i == DATASLLEN) {
|
|
|
|
if (l3->debug & L3_DEB_STATE) {
|
|
|
|
l3_debug(l3, "dss1up%sstate %d mt %#x unhandled",
|
2001-08-02 14:51:56 +00:00
|
|
|
(hh->prim == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
|
2001-02-11 22:46:19 +00:00
|
|
|
proc->state, mt);
|
|
|
|
}
|
|
|
|
if ((MT_RELEASE_COMPLETE != mt) && (MT_RELEASE != mt)) {
|
2001-02-19 11:51:42 +00:00
|
|
|
l3dss1_status_send(proc, CAUSE_NOTCOMPAT_STATE);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (l3->debug & L3_DEB_STATE) {
|
|
|
|
l3_debug(l3, "dss1up%sstate %d mt %x",
|
2001-08-02 14:51:56 +00:00
|
|
|
(hh->prim == (DL_DATA | INDICATION)) ?
|
|
|
|
" " : "(broadcast) ", proc->state, mt);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
2001-08-02 14:51:56 +00:00
|
|
|
datastatelist[i].rout(proc, hh->prim, skb);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
2001-02-13 10:42:55 +00:00
|
|
|
static int
|
2001-08-02 14:51:56 +00:00
|
|
|
dss1_fromup(hisaxif_t *hif, struct sk_buff *skb)
|
|
|
|
{
|
|
|
|
layer3_t *l3;
|
|
|
|
int i, cr, ret = -EINVAL;
|
|
|
|
l3_process_t *proc;
|
|
|
|
hisax_head_t *hh;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-08-02 14:51:56 +00:00
|
|
|
if (!hif || !skb)
|
|
|
|
return(ret);
|
2001-02-13 10:42:55 +00:00
|
|
|
l3 = hif->fdata;
|
2001-08-02 14:51:56 +00:00
|
|
|
hh = (hisax_head_t *)skb->data;
|
|
|
|
printk(KERN_DEBUG __FUNCTION__ ": prim(%x)\n", hh->prim);
|
|
|
|
if (skb->len < HISAX_FRAME_MIN)
|
|
|
|
return(ret);
|
|
|
|
if (!l3)
|
|
|
|
return(ret);
|
|
|
|
skb_pull(skb, HISAX_HEAD_SIZE);
|
|
|
|
if ((DL_ESTABLISH | REQUEST) == hh->prim) {
|
|
|
|
l3_msg(l3, hh->prim, 0, 0, NULL);
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-27 17:45:44 +00:00
|
|
|
}
|
2001-08-02 14:51:56 +00:00
|
|
|
if ((CC_NEW_CR | REQUEST) == hh->prim) {
|
2001-02-11 22:46:19 +00:00
|
|
|
cr = newcallref();
|
|
|
|
cr |= 0x80;
|
2001-08-02 14:51:56 +00:00
|
|
|
ret = -ENOMEM;
|
2001-02-27 17:45:44 +00:00
|
|
|
if ((proc = new_l3_process(l3, cr, N303))) {
|
2001-08-02 14:51:56 +00:00
|
|
|
proc->id = hh->dinfo;
|
|
|
|
ret = 0;
|
|
|
|
dev_kfree_skb(skb);
|
2001-02-27 17:45:44 +00:00
|
|
|
}
|
2001-08-02 14:51:56 +00:00
|
|
|
return(ret);
|
2001-02-11 22:46:19 +00:00
|
|
|
} else {
|
2001-08-02 14:51:56 +00:00
|
|
|
proc = getl3proc4id(l3, hh->dinfo);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
if (!proc) {
|
2001-08-02 14:51:56 +00:00
|
|
|
printk(KERN_ERR "HiSax dss1 fromup without proc pr=%04x\n",
|
|
|
|
hh->prim);
|
|
|
|
return(-EINVAL);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
for (i = 0; i < DOWNSLLEN; i++)
|
2001-08-02 14:51:56 +00:00
|
|
|
if ((hh->prim == downstatelist[i].primitive) &&
|
2001-02-11 22:46:19 +00:00
|
|
|
((1 << proc->state) & downstatelist[i].state))
|
|
|
|
break;
|
|
|
|
if (i == DOWNSLLEN) {
|
|
|
|
if (l3->debug & L3_DEB_STATE) {
|
|
|
|
l3_debug(l3, "dss1down state %d prim %#x unhandled",
|
2001-08-02 14:51:56 +00:00
|
|
|
proc->state, hh->prim);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (l3->debug & L3_DEB_STATE) {
|
2001-10-31 23:06:07 +00:00
|
|
|
l3_debug(l3, "dss1down state %d prim %#x para len %d",
|
|
|
|
proc->state, hh->prim, skb->len);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
2001-10-31 23:06:07 +00:00
|
|
|
if (skb->len)
|
|
|
|
downstatelist[i].rout(proc, hh->prim, skb->data);
|
|
|
|
else
|
|
|
|
downstatelist[i].rout(proc, hh->prim, NULL);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
2001-08-02 14:51:56 +00:00
|
|
|
dev_kfree_skb(skb);
|
2001-02-13 10:42:55 +00:00
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
2001-02-13 10:42:55 +00:00
|
|
|
static int
|
|
|
|
dss1man(l3_process_t *proc, u_int pr, void *arg)
|
2001-02-11 22:46:19 +00:00
|
|
|
{
|
2001-02-13 10:42:55 +00:00
|
|
|
int i;
|
2001-02-11 22:46:19 +00:00
|
|
|
|
2001-02-13 10:42:55 +00:00
|
|
|
if (!proc) {
|
|
|
|
printk(KERN_ERR "HiSax dss1man without proc pr=%04x\n", pr);
|
|
|
|
return(-EINVAL);
|
|
|
|
}
|
|
|
|
for (i = 0; i < MANSLLEN; i++)
|
|
|
|
if ((pr == manstatelist[i].primitive) &&
|
|
|
|
((1 << proc->state) & manstatelist[i].state))
|
|
|
|
break;
|
|
|
|
if (i == MANSLLEN) {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (proc->l3->debug & L3_DEB_STATE) {
|
2001-02-13 10:42:55 +00:00
|
|
|
l3_debug(proc->l3, "cr %d dss1man state %d prim %#x unhandled",
|
|
|
|
proc->callref & 0x7f, proc->state, pr);
|
|
|
|
}
|
|
|
|
} else {
|
2001-02-19 11:51:42 +00:00
|
|
|
if (proc->l3->debug & L3_DEB_STATE) {
|
2001-02-13 10:42:55 +00:00
|
|
|
l3_debug(proc->l3, "cr %d dss1man state %d prim %#x",
|
|
|
|
proc->callref & 0x7f, proc->state, pr);
|
|
|
|
}
|
|
|
|
manstatelist[i].rout(proc, pr, arg);
|
|
|
|
}
|
|
|
|
return(0);
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
|
|
|
|
2001-02-13 10:42:55 +00:00
|
|
|
static void
|
|
|
|
release_udss1(layer3_t *l3)
|
2001-02-11 22:46:19 +00:00
|
|
|
{
|
2001-02-13 10:42:55 +00:00
|
|
|
hisaxinstance_t *inst = &l3->inst;
|
|
|
|
|
2001-02-27 17:45:44 +00:00
|
|
|
printk(KERN_DEBUG "release_udss1 refcnt %d l3(%p) inst(%p)\n",
|
|
|
|
u_dss1.refcnt, l3, inst);
|
2001-02-13 10:42:55 +00:00
|
|
|
release_l3(l3);
|
2001-03-26 11:40:02 +00:00
|
|
|
if (inst->up.peer) {
|
|
|
|
inst->up.peer->obj->ctrl(inst->up.peer,
|
|
|
|
MGR_DISCONNECT | REQUEST, &inst->up);
|
|
|
|
}
|
|
|
|
if (inst->down.peer) {
|
|
|
|
inst->down.peer->obj->ctrl(inst->down.peer,
|
|
|
|
MGR_DISCONNECT | REQUEST, &inst->down);
|
|
|
|
}
|
|
|
|
REMOVE_FROM_LISTBASE(l3, ((layer3_t *)u_dss1.ilist));
|
2001-03-27 15:34:20 +00:00
|
|
|
u_dss1.ctrl(inst, MGR_UNREGLAYER | REQUEST, NULL);
|
2001-02-13 10:42:55 +00:00
|
|
|
kfree(l3);
|
|
|
|
}
|
|
|
|
|
2001-03-26 11:40:02 +00:00
|
|
|
static int
|
|
|
|
new_udss1(hisaxstack_t *st, hisax_pid_t *pid)
|
|
|
|
{
|
2001-02-13 10:42:55 +00:00
|
|
|
layer3_t *nl3;
|
2001-03-26 11:40:02 +00:00
|
|
|
int err;
|
2001-02-13 10:42:55 +00:00
|
|
|
|
2001-03-26 11:40:02 +00:00
|
|
|
if (!st || !pid)
|
|
|
|
return(-EINVAL);
|
2001-02-13 10:42:55 +00:00
|
|
|
if (!(nl3 = kmalloc(sizeof(layer3_t), GFP_ATOMIC))) {
|
|
|
|
printk(KERN_ERR "kmalloc layer3 failed\n");
|
2001-03-26 11:40:02 +00:00
|
|
|
return(-ENOMEM);
|
2001-02-13 10:42:55 +00:00
|
|
|
}
|
|
|
|
memset(nl3, 0, sizeof(layer3_t));
|
2001-03-26 11:40:02 +00:00
|
|
|
memcpy(&nl3->inst.pid, pid, sizeof(hisax_pid_t));
|
2001-02-13 10:42:55 +00:00
|
|
|
nl3->debug = debug;
|
2001-03-26 11:40:02 +00:00
|
|
|
nl3->inst.obj = &u_dss1;
|
|
|
|
if (!SetHandledPID(&u_dss1, &nl3->inst.pid)) {
|
|
|
|
int_error();
|
|
|
|
return(-ENOPROTOOPT);
|
|
|
|
}
|
|
|
|
if (pid->protocol[3] != ISDN_PID_L3_DSS1USER) {
|
|
|
|
printk(KERN_ERR "udss1 create failed prt %x\n",
|
|
|
|
pid->protocol[3]);
|
2001-02-13 10:42:55 +00:00
|
|
|
kfree(nl3);
|
2001-03-26 11:40:02 +00:00
|
|
|
return(-ENOPROTOOPT);
|
2001-02-13 10:42:55 +00:00
|
|
|
}
|
2001-03-03 08:07:30 +00:00
|
|
|
init_l3(nl3);
|
2001-02-13 10:42:55 +00:00
|
|
|
if (!(nl3->global = kmalloc(sizeof(l3_process_t), GFP_ATOMIC))) {
|
2001-02-11 22:46:19 +00:00
|
|
|
printk(KERN_ERR "HiSax can't get memory for dss1 global CR\n");
|
2001-03-03 08:07:30 +00:00
|
|
|
release_l3(nl3);
|
2001-02-13 10:42:55 +00:00
|
|
|
kfree(nl3);
|
2001-03-26 11:40:02 +00:00
|
|
|
return(-ENOMEM);
|
2001-02-11 22:46:19 +00:00
|
|
|
} else {
|
2001-02-13 10:42:55 +00:00
|
|
|
nl3->global->state = 0;
|
|
|
|
nl3->global->callref = 0;
|
|
|
|
nl3->global->next = NULL;
|
|
|
|
nl3->global->n303 = N303;
|
|
|
|
nl3->global->l3 = nl3;
|
|
|
|
L3InitTimer(nl3->global, &nl3->global->timer);
|
|
|
|
}
|
2001-02-19 22:25:31 +00:00
|
|
|
if (!(nl3->dummy = kmalloc(sizeof(l3_process_t), GFP_ATOMIC))) {
|
|
|
|
printk(KERN_ERR "HiSax can't get memory for dss1 dummy CR\n");
|
2001-03-03 08:07:30 +00:00
|
|
|
release_l3(nl3);
|
2001-02-19 22:25:31 +00:00
|
|
|
kfree(nl3);
|
2001-03-26 11:40:02 +00:00
|
|
|
return(-ENOMEM);
|
2001-02-19 22:25:31 +00:00
|
|
|
} else {
|
|
|
|
nl3->dummy->state = 0;
|
|
|
|
nl3->dummy->callref = -1;
|
|
|
|
nl3->dummy->next = NULL;
|
|
|
|
nl3->dummy->n303 = N303;
|
|
|
|
nl3->dummy->l3 = nl3;
|
|
|
|
L3InitTimer(nl3->dummy, &nl3->dummy->timer);
|
|
|
|
}
|
2001-03-11 21:23:39 +00:00
|
|
|
sprintf(nl3->inst.name, "DSS1 %d", st->id);
|
2001-03-26 11:40:02 +00:00
|
|
|
nl3->inst.up.owner = &nl3->inst;
|
|
|
|
nl3->inst.down.owner = &nl3->inst;
|
2001-02-13 10:42:55 +00:00
|
|
|
nl3->inst.data = nl3;
|
|
|
|
nl3->p_mgr = dss1man;
|
2001-03-26 11:40:02 +00:00
|
|
|
APPEND_TO_LIST(nl3, ((layer3_t *)u_dss1.ilist));
|
|
|
|
err = u_dss1.ctrl(st, MGR_REGLAYER | INDICATION, &nl3->inst);
|
2001-02-13 10:42:55 +00:00
|
|
|
if (err) {
|
2001-03-26 11:40:02 +00:00
|
|
|
release_l3(nl3);
|
|
|
|
REMOVE_FROM_LISTBASE(nl3, ((layer3_t *)u_dss1.ilist));
|
|
|
|
kfree(nl3);
|
2001-02-13 10:42:55 +00:00
|
|
|
}
|
2001-03-26 11:40:02 +00:00
|
|
|
return(err);
|
2001-02-13 10:42:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static char MName[] = "UDSS1";
|
|
|
|
|
|
|
|
#ifdef MODULE
|
|
|
|
MODULE_AUTHOR("Karsten Keil");
|
|
|
|
MODULE_PARM(debug, "1i");
|
|
|
|
#define UDSS1Init init_module
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static int
|
|
|
|
udss1_manager(void *data, u_int prim, void *arg) {
|
2001-03-26 11:40:02 +00:00
|
|
|
hisaxinstance_t *inst = data;
|
|
|
|
layer3_t *l3l = u_dss1.ilist;
|
2001-02-13 10:42:55 +00:00
|
|
|
|
2001-02-27 17:45:44 +00:00
|
|
|
printk(KERN_DEBUG "udss1_manager data:%p prim:%x arg:%p\n", data, prim, arg);
|
2001-02-13 10:42:55 +00:00
|
|
|
if (!data)
|
|
|
|
return(-EINVAL);
|
|
|
|
while(l3l) {
|
2001-03-26 11:40:02 +00:00
|
|
|
if (&l3l->inst == inst)
|
2001-02-13 10:42:55 +00:00
|
|
|
break;
|
|
|
|
l3l = l3l->next;
|
|
|
|
}
|
|
|
|
switch(prim) {
|
2001-03-26 11:40:02 +00:00
|
|
|
case MGR_NEWLAYER | REQUEST:
|
|
|
|
return(new_udss1(data, arg));
|
|
|
|
case MGR_CONNECT | REQUEST:
|
2001-02-13 10:42:55 +00:00
|
|
|
if (!l3l) {
|
2001-03-26 11:40:02 +00:00
|
|
|
printk(KERN_WARNING "udss1_manager connect no instance\n");
|
2001-02-13 10:42:55 +00:00
|
|
|
return(-EINVAL);
|
|
|
|
}
|
2001-03-26 11:40:02 +00:00
|
|
|
return(ConnectIF(inst, arg));
|
|
|
|
case MGR_SETIF | REQUEST:
|
|
|
|
case MGR_SETIF | INDICATION:
|
|
|
|
if (!l3l) {
|
|
|
|
printk(KERN_WARNING "udss1_manager setif no instance\n");
|
|
|
|
return(-EINVAL);
|
|
|
|
}
|
|
|
|
return(SetIF(inst, arg, prim, dss1_fromup, dss1_fromdown, l3l));
|
|
|
|
case MGR_DISCONNECT | REQUEST:
|
|
|
|
case MGR_DISCONNECT | INDICATION:
|
2001-02-13 10:42:55 +00:00
|
|
|
if (!l3l) {
|
2001-03-26 11:40:02 +00:00
|
|
|
printk(KERN_WARNING "udss1_manager disconnect no instance\n");
|
2001-02-13 10:42:55 +00:00
|
|
|
return(-EINVAL);
|
|
|
|
}
|
2001-03-26 11:40:02 +00:00
|
|
|
return(DisConnectIF(inst, arg));
|
2001-02-13 10:42:55 +00:00
|
|
|
break;
|
|
|
|
case MGR_RELEASE | INDICATION:
|
2001-03-26 11:40:02 +00:00
|
|
|
case MGR_UNREGLAYER | REQUEST:
|
2001-02-13 10:42:55 +00:00
|
|
|
if (l3l) {
|
|
|
|
printk(KERN_DEBUG "release_udss1 id %x\n", l3l->inst.st->id);
|
|
|
|
release_udss1(l3l);
|
|
|
|
} else
|
|
|
|
printk(KERN_WARNING "udss1_manager release no instance\n");
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
printk(KERN_WARNING "udss1 prim %x not handled\n", prim);
|
|
|
|
return(-EINVAL);
|
|
|
|
}
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
int UDSS1Init(void)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
char tmp[32];
|
|
|
|
|
2001-02-11 22:46:19 +00:00
|
|
|
strcpy(tmp, dss1_revision);
|
|
|
|
printk(KERN_INFO "HiSax: DSS1 Rev. %s\n", HiSax_getrev(tmp));
|
2001-02-13 10:42:55 +00:00
|
|
|
u_dss1.name = MName;
|
2001-03-04 17:08:33 +00:00
|
|
|
u_dss1.DPROTO.protocol[3] = ISDN_PID_L3_DSS1USER;
|
2001-02-13 10:42:55 +00:00
|
|
|
u_dss1.own_ctrl = udss1_manager;
|
|
|
|
u_dss1.prev = NULL;
|
|
|
|
u_dss1.next = NULL;
|
|
|
|
HiSaxl3New();
|
|
|
|
if ((err = HiSax_register(&u_dss1))) {
|
|
|
|
printk(KERN_ERR "Can't register %s error(%d)\n", MName, err);
|
|
|
|
HiSaxl3Free();
|
|
|
|
}
|
|
|
|
return(err);
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef MODULE
|
|
|
|
void cleanup_module(void)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
|
|
|
|
if ((err = HiSax_unregister(&u_dss1))) {
|
|
|
|
printk(KERN_ERR "Can't unregister User DSS1 error(%d)\n", err);
|
|
|
|
}
|
2001-03-26 11:40:02 +00:00
|
|
|
if (u_dss1.ilist) {
|
|
|
|
printk(KERN_WARNING "hisaxl3 u_dss1 list not empty\n");
|
|
|
|
while(u_dss1.ilist)
|
|
|
|
release_udss1(u_dss1.ilist);
|
2001-02-13 10:42:55 +00:00
|
|
|
}
|
|
|
|
HiSaxl3Free();
|
2001-02-11 22:46:19 +00:00
|
|
|
}
|
2001-02-13 10:42:55 +00:00
|
|
|
#endif
|