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956 lines
22 KiB
956 lines
22 KiB
20 years ago
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/* $Id: l3_1tr6.c,v 2.15.2.3 2004/01/13 14:31:25 keil Exp $
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*
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* German 1TR6 D-channel protocol
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*
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* Author Karsten Keil
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* Copyright by Karsten Keil <keil@isdn4linux.de>
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*
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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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*/
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#include "hisax.h"
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#include "l3_1tr6.h"
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#include "isdnl3.h"
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#include <linux/ctype.h>
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extern char *HiSax_getrev(const char *revision);
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const char *l3_1tr6_revision = "$Revision: 2.15.2.3 $";
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#define MsgHead(ptr, cref, mty, dis) \
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*ptr++ = dis; \
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*ptr++ = 0x1; \
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*ptr++ = cref ^ 0x80; \
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*ptr++ = mty
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static void
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l3_1TR6_message(struct l3_process *pc, u_char mt, u_char pd)
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{
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struct sk_buff *skb;
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u_char *p;
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if (!(skb = l3_alloc_skb(4)))
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return;
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p = skb_put(skb, 4);
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MsgHead(p, pc->callref, mt, pd);
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l3_msg(pc->st, DL_DATA | REQUEST, skb);
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}
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static void
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l3_1tr6_release_req(struct l3_process *pc, u_char pr, void *arg)
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{
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StopAllL3Timer(pc);
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newl3state(pc, 19);
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l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1);
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L3AddTimer(&pc->timer, T308, CC_T308_1);
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}
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static void
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l3_1tr6_invalid(struct l3_process *pc, u_char pr, void *arg)
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{
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struct sk_buff *skb = arg;
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dev_kfree_skb(skb);
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l3_1tr6_release_req(pc, 0, NULL);
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}
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static void
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l3_1tr6_error(struct l3_process *pc, u_char *msg, struct sk_buff *skb)
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{
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dev_kfree_skb(skb);
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if (pc->st->l3.debug & L3_DEB_WARN)
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l3_debug(pc->st, msg);
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l3_1tr6_release_req(pc, 0, NULL);
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}
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static void
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l3_1tr6_setup_req(struct l3_process *pc, u_char pr, void *arg)
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{
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struct sk_buff *skb;
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u_char tmp[128];
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u_char *p = tmp;
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u_char *teln;
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u_char *eaz;
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u_char channel = 0;
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int l;
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MsgHead(p, pc->callref, MT_N1_SETUP, PROTO_DIS_N1);
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teln = pc->para.setup.phone;
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pc->para.spv = 0;
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if (!isdigit(*teln)) {
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switch (0x5f & *teln) {
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case 'S':
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pc->para.spv = 1;
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break;
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case 'C':
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channel = 0x08;
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case 'P':
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channel |= 0x80;
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teln++;
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if (*teln == '1')
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channel |= 0x01;
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else
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channel |= 0x02;
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break;
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default:
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if (pc->st->l3.debug & L3_DEB_WARN)
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l3_debug(pc->st, "Wrong MSN Code");
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break;
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}
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teln++;
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}
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if (channel) {
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*p++ = 0x18; /* channel indicator */
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*p++ = 1;
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*p++ = channel;
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}
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if (pc->para.spv) { /* SPV ? */
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/* NSF SPV */
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*p++ = WE0_netSpecFac;
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*p++ = 4; /* Laenge */
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*p++ = 0;
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*p++ = FAC_SPV; /* SPV */
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*p++ = pc->para.setup.si1; /* 0 for all Services */
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*p++ = pc->para.setup.si2; /* 0 for all Services */
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*p++ = WE0_netSpecFac;
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*p++ = 4; /* Laenge */
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*p++ = 0;
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*p++ = FAC_Activate; /* aktiviere SPV (default) */
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*p++ = pc->para.setup.si1; /* 0 for all Services */
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*p++ = pc->para.setup.si2; /* 0 for all Services */
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}
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eaz = pc->para.setup.eazmsn;
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if (*eaz) {
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*p++ = WE0_origAddr;
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*p++ = strlen(eaz) + 1;
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/* Classify as AnyPref. */
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*p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */
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while (*eaz)
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*p++ = *eaz++ & 0x7f;
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}
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*p++ = WE0_destAddr;
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*p++ = strlen(teln) + 1;
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/* Classify as AnyPref. */
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*p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */
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while (*teln)
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*p++ = *teln++ & 0x7f;
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*p++ = WE_Shift_F6;
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/* Codesatz 6 fuer Service */
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*p++ = WE6_serviceInd;
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*p++ = 2; /* len=2 info,info2 */
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*p++ = pc->para.setup.si1;
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*p++ = pc->para.setup.si2;
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l = p - tmp;
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if (!(skb = l3_alloc_skb(l)))
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return;
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memcpy(skb_put(skb, l), tmp, l);
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L3DelTimer(&pc->timer);
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L3AddTimer(&pc->timer, T303, CC_T303);
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newl3state(pc, 1);
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l3_msg(pc->st, DL_DATA | REQUEST, skb);
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}
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static void
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l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
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{
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u_char *p;
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int bcfound = 0;
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char tmp[80];
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struct sk_buff *skb = arg;
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p = skb->data;
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/* Channel Identification */
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p = skb->data;
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if ((p = findie(p, skb->len, WE0_chanID, 0))) {
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if (p[1] != 1) {
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l3_1tr6_error(pc, "setup wrong chanID len", skb);
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return;
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}
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if ((p[2] & 0xf4) != 0x80) {
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l3_1tr6_error(pc, "setup wrong WE0_chanID", skb);
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return;
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}
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if ((pc->para.bchannel = p[2] & 0x3))
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bcfound++;
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} else {
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l3_1tr6_error(pc, "missing setup chanID", skb);
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return;
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}
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p = skb->data;
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if ((p = findie(p, skb->len, WE6_serviceInd, 6))) {
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pc->para.setup.si1 = p[2];
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pc->para.setup.si2 = p[3];
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} else {
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l3_1tr6_error(pc, "missing setup SI", skb);
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return;
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}
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p = skb->data;
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if ((p = findie(p, skb->len, WE0_destAddr, 0)))
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iecpy(pc->para.setup.eazmsn, p, 1);
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else
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pc->para.setup.eazmsn[0] = 0;
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p = skb->data;
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if ((p = findie(p, skb->len, WE0_origAddr, 0))) {
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iecpy(pc->para.setup.phone, p, 1);
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} else
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pc->para.setup.phone[0] = 0;
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p = skb->data;
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pc->para.spv = 0;
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if ((p = findie(p, skb->len, WE0_netSpecFac, 0))) {
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if ((FAC_SPV == p[3]) || (FAC_Activate == p[3]))
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pc->para.spv = 1;
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}
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dev_kfree_skb(skb);
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/* Signal all services, linklevel takes care of Service-Indicator */
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if (bcfound) {
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if ((pc->para.setup.si1 != 7) && (pc->st->l3.debug & L3_DEB_WARN)) {
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sprintf(tmp, "non-digital call: %s -> %s",
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pc->para.setup.phone,
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pc->para.setup.eazmsn);
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l3_debug(pc->st, tmp);
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}
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newl3state(pc, 6);
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pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc);
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} else
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release_l3_process(pc);
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}
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static void
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l3_1tr6_setup_ack(struct l3_process *pc, u_char pr, void *arg)
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{
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u_char *p;
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struct sk_buff *skb = arg;
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L3DelTimer(&pc->timer);
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p = skb->data;
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newl3state(pc, 2);
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if ((p = findie(p, skb->len, WE0_chanID, 0))) {
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if (p[1] != 1) {
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l3_1tr6_error(pc, "setup_ack wrong chanID len", skb);
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return;
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}
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if ((p[2] & 0xf4) != 0x80) {
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l3_1tr6_error(pc, "setup_ack wrong WE0_chanID", skb);
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return;
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}
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pc->para.bchannel = p[2] & 0x3;
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} else {
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l3_1tr6_error(pc, "missing setup_ack WE0_chanID", skb);
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return;
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}
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dev_kfree_skb(skb);
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L3AddTimer(&pc->timer, T304, CC_T304);
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pc->st->l3.l3l4(pc->st, CC_MORE_INFO | INDICATION, pc);
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}
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static void
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l3_1tr6_call_sent(struct l3_process *pc, u_char pr, void *arg)
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{
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u_char *p;
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struct sk_buff *skb = arg;
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L3DelTimer(&pc->timer);
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p = skb->data;
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if ((p = findie(p, skb->len, WE0_chanID, 0))) {
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if (p[1] != 1) {
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l3_1tr6_error(pc, "call sent wrong chanID len", skb);
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return;
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}
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if ((p[2] & 0xf4) != 0x80) {
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l3_1tr6_error(pc, "call sent wrong WE0_chanID", skb);
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return;
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}
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if ((pc->state == 2) && (pc->para.bchannel != (p[2] & 0x3))) {
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l3_1tr6_error(pc, "call sent wrong chanID value", skb);
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return;
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}
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pc->para.bchannel = p[2] & 0x3;
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} else {
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l3_1tr6_error(pc, "missing call sent WE0_chanID", skb);
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return;
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}
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dev_kfree_skb(skb);
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L3AddTimer(&pc->timer, T310, CC_T310);
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newl3state(pc, 3);
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pc->st->l3.l3l4(pc->st, CC_PROCEEDING | INDICATION, pc);
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}
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static void
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l3_1tr6_alert(struct l3_process *pc, u_char pr, void *arg)
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{
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struct sk_buff *skb = arg;
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dev_kfree_skb(skb);
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L3DelTimer(&pc->timer); /* T304 */
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newl3state(pc, 4);
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pc->st->l3.l3l4(pc->st, CC_ALERTING | INDICATION, pc);
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}
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static void
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l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg)
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{
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u_char *p;
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int i, tmpcharge = 0;
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char a_charge[8], tmp[32];
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struct sk_buff *skb = arg;
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p = skb->data;
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if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) {
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iecpy(a_charge, p, 1);
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for (i = 0; i < strlen(a_charge); i++) {
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tmpcharge *= 10;
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tmpcharge += a_charge[i] & 0xf;
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}
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if (tmpcharge > pc->para.chargeinfo) {
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pc->para.chargeinfo = tmpcharge;
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pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
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}
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if (pc->st->l3.debug & L3_DEB_CHARGE) {
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sprintf(tmp, "charging info %d", pc->para.chargeinfo);
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l3_debug(pc->st, tmp);
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}
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} else if (pc->st->l3.debug & L3_DEB_CHARGE)
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l3_debug(pc->st, "charging info not found");
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dev_kfree_skb(skb);
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}
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static void
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l3_1tr6_info_s2(struct l3_process *pc, u_char pr, void *arg)
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{
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struct sk_buff *skb = arg;
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dev_kfree_skb(skb);
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}
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static void
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l3_1tr6_connect(struct l3_process *pc, u_char pr, void *arg)
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{
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struct sk_buff *skb = arg;
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L3DelTimer(&pc->timer); /* T310 */
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if (!findie(skb->data, skb->len, WE6_date, 6)) {
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l3_1tr6_error(pc, "missing connect date", skb);
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return;
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}
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newl3state(pc, 10);
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dev_kfree_skb(skb);
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pc->para.chargeinfo = 0;
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pc->st->l3.l3l4(pc->st, CC_SETUP | CONFIRM, pc);
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}
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||
|
|
static void
|
||
|
|
l3_1tr6_rel(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
struct sk_buff *skb = arg;
|
||
|
|
u_char *p;
|
||
|
|
|
||
|
|
p = skb->data;
|
||
|
|
if ((p = findie(p, skb->len, WE0_cause, 0))) {
|
||
|
|
if (p[1] > 0) {
|
||
|
|
pc->para.cause = p[2];
|
||
|
|
if (p[1] > 1)
|
||
|
|
pc->para.loc = p[3];
|
||
|
|
else
|
||
|
|
pc->para.loc = 0;
|
||
|
|
} else {
|
||
|
|
pc->para.cause = 0;
|
||
|
|
pc->para.loc = 0;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
pc->para.cause = NO_CAUSE;
|
||
|
|
l3_1tr6_error(pc, "missing REL cause", skb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
StopAllL3Timer(pc);
|
||
|
|
newl3state(pc, 0);
|
||
|
|
l3_1TR6_message(pc, MT_N1_REL_ACK, PROTO_DIS_N1);
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
|
||
|
|
release_l3_process(pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_rel_ack(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
struct sk_buff *skb = arg;
|
||
|
|
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
StopAllL3Timer(pc);
|
||
|
|
newl3state(pc, 0);
|
||
|
|
pc->para.cause = NO_CAUSE;
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_RELEASE | CONFIRM, pc);
|
||
|
|
release_l3_process(pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
struct sk_buff *skb = arg;
|
||
|
|
u_char *p;
|
||
|
|
int i, tmpcharge = 0;
|
||
|
|
char a_charge[8], tmp[32];
|
||
|
|
|
||
|
|
StopAllL3Timer(pc);
|
||
|
|
p = skb->data;
|
||
|
|
if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) {
|
||
|
|
iecpy(a_charge, p, 1);
|
||
|
|
for (i = 0; i < strlen(a_charge); i++) {
|
||
|
|
tmpcharge *= 10;
|
||
|
|
tmpcharge += a_charge[i] & 0xf;
|
||
|
|
}
|
||
|
|
if (tmpcharge > pc->para.chargeinfo) {
|
||
|
|
pc->para.chargeinfo = tmpcharge;
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
|
||
|
|
}
|
||
|
|
if (pc->st->l3.debug & L3_DEB_CHARGE) {
|
||
|
|
sprintf(tmp, "charging info %d", pc->para.chargeinfo);
|
||
|
|
l3_debug(pc->st, tmp);
|
||
|
|
}
|
||
|
|
} else if (pc->st->l3.debug & L3_DEB_CHARGE)
|
||
|
|
l3_debug(pc->st, "charging info not found");
|
||
|
|
|
||
|
|
|
||
|
|
p = skb->data;
|
||
|
|
if ((p = findie(p, skb->len, WE0_cause, 0))) {
|
||
|
|
if (p[1] > 0) {
|
||
|
|
pc->para.cause = p[2];
|
||
|
|
if (p[1] > 1)
|
||
|
|
pc->para.loc = p[3];
|
||
|
|
else
|
||
|
|
pc->para.loc = 0;
|
||
|
|
} else {
|
||
|
|
pc->para.cause = 0;
|
||
|
|
pc->para.loc = 0;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (pc->st->l3.debug & L3_DEB_WARN)
|
||
|
|
l3_debug(pc->st, "cause not found");
|
||
|
|
pc->para.cause = NO_CAUSE;
|
||
|
|
}
|
||
|
|
if (!findie(skb->data, skb->len, WE6_date, 6)) {
|
||
|
|
l3_1tr6_error(pc, "missing connack date", skb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
newl3state(pc, 12);
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_DISCONNECT | INDICATION, pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_connect_ack(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
struct sk_buff *skb = arg;
|
||
|
|
|
||
|
|
if (!findie(skb->data, skb->len, WE6_date, 6)) {
|
||
|
|
l3_1tr6_error(pc, "missing connack date", skb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
newl3state(pc, 10);
|
||
|
|
pc->para.chargeinfo = 0;
|
||
|
|
L3DelTimer(&pc->timer);
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_SETUP_COMPL | INDICATION, pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_alert_req(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
newl3state(pc, 7);
|
||
|
|
l3_1TR6_message(pc, MT_N1_ALERT, PROTO_DIS_N1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_setup_rsp(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
struct sk_buff *skb;
|
||
|
|
u_char tmp[24];
|
||
|
|
u_char *p = tmp;
|
||
|
|
int l;
|
||
|
|
|
||
|
|
MsgHead(p, pc->callref, MT_N1_CONN, PROTO_DIS_N1);
|
||
|
|
if (pc->para.spv) { /* SPV ? */
|
||
|
|
/* NSF SPV */
|
||
|
|
*p++ = WE0_netSpecFac;
|
||
|
|
*p++ = 4; /* Laenge */
|
||
|
|
*p++ = 0;
|
||
|
|
*p++ = FAC_SPV; /* SPV */
|
||
|
|
*p++ = pc->para.setup.si1;
|
||
|
|
*p++ = pc->para.setup.si2;
|
||
|
|
*p++ = WE0_netSpecFac;
|
||
|
|
*p++ = 4; /* Laenge */
|
||
|
|
*p++ = 0;
|
||
|
|
*p++ = FAC_Activate; /* aktiviere SPV */
|
||
|
|
*p++ = pc->para.setup.si1;
|
||
|
|
*p++ = pc->para.setup.si2;
|
||
|
|
}
|
||
|
|
newl3state(pc, 8);
|
||
|
|
l = p - tmp;
|
||
|
|
if (!(skb = l3_alloc_skb(l)))
|
||
|
|
return;
|
||
|
|
memcpy(skb_put(skb, l), tmp, l);
|
||
|
|
l3_msg(pc->st, DL_DATA | REQUEST, skb);
|
||
|
|
L3DelTimer(&pc->timer);
|
||
|
|
L3AddTimer(&pc->timer, T313, CC_T313);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_reset(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
release_l3_process(pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_disconnect_req(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
struct sk_buff *skb;
|
||
|
|
u_char tmp[16];
|
||
|
|
u_char *p = tmp;
|
||
|
|
int l;
|
||
|
|
u_char cause = 0x10;
|
||
|
|
u_char clen = 1;
|
||
|
|
|
||
|
|
if (pc->para.cause > 0)
|
||
|
|
cause = pc->para.cause;
|
||
|
|
/* Map DSS1 causes */
|
||
|
|
switch (cause & 0x7f) {
|
||
|
|
case 0x10:
|
||
|
|
clen = 0;
|
||
|
|
break;
|
||
|
|
case 0x11:
|
||
|
|
cause = CAUSE_UserBusy;
|
||
|
|
break;
|
||
|
|
case 0x15:
|
||
|
|
cause = CAUSE_CallRejected;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
StopAllL3Timer(pc);
|
||
|
|
MsgHead(p, pc->callref, MT_N1_DISC, PROTO_DIS_N1);
|
||
|
|
*p++ = WE0_cause;
|
||
|
|
*p++ = clen; /* Laenge */
|
||
|
|
if (clen)
|
||
|
|
*p++ = cause | 0x80;
|
||
|
|
newl3state(pc, 11);
|
||
|
|
l = p - tmp;
|
||
|
|
if (!(skb = l3_alloc_skb(l)))
|
||
|
|
return;
|
||
|
|
memcpy(skb_put(skb, l), tmp, l);
|
||
|
|
l3_msg(pc->st, DL_DATA | REQUEST, skb);
|
||
|
|
L3AddTimer(&pc->timer, T305, CC_T305);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_t303(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
if (pc->N303 > 0) {
|
||
|
|
pc->N303--;
|
||
|
|
L3DelTimer(&pc->timer);
|
||
|
|
l3_1tr6_setup_req(pc, pr, arg);
|
||
|
|
} else {
|
||
|
|
L3DelTimer(&pc->timer);
|
||
|
|
pc->para.cause = 0;
|
||
|
|
l3_1tr6_disconnect_req(pc, 0, NULL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_t304(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
L3DelTimer(&pc->timer);
|
||
|
|
pc->para.cause = 0xE6;
|
||
|
|
l3_1tr6_disconnect_req(pc, pr, NULL);
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_t305(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
struct sk_buff *skb;
|
||
|
|
u_char tmp[16];
|
||
|
|
u_char *p = tmp;
|
||
|
|
int l;
|
||
|
|
u_char cause = 0x90;
|
||
|
|
u_char clen = 1;
|
||
|
|
|
||
|
|
L3DelTimer(&pc->timer);
|
||
|
|
if (pc->para.cause != NO_CAUSE)
|
||
|
|
cause = pc->para.cause;
|
||
|
|
/* Map DSS1 causes */
|
||
|
|
switch (cause & 0x7f) {
|
||
|
|
case 0x10:
|
||
|
|
clen = 0;
|
||
|
|
break;
|
||
|
|
case 0x15:
|
||
|
|
cause = CAUSE_CallRejected;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
MsgHead(p, pc->callref, MT_N1_REL, PROTO_DIS_N1);
|
||
|
|
*p++ = WE0_cause;
|
||
|
|
*p++ = clen; /* Laenge */
|
||
|
|
if (clen)
|
||
|
|
*p++ = cause;
|
||
|
|
newl3state(pc, 19);
|
||
|
|
l = p - tmp;
|
||
|
|
if (!(skb = l3_alloc_skb(l)))
|
||
|
|
return;
|
||
|
|
memcpy(skb_put(skb, l), tmp, l);
|
||
|
|
l3_msg(pc->st, DL_DATA | REQUEST, skb);
|
||
|
|
L3AddTimer(&pc->timer, T308, CC_T308_1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_t310(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
L3DelTimer(&pc->timer);
|
||
|
|
pc->para.cause = 0xE6;
|
||
|
|
l3_1tr6_disconnect_req(pc, pr, NULL);
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_t313(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
L3DelTimer(&pc->timer);
|
||
|
|
pc->para.cause = 0xE6;
|
||
|
|
l3_1tr6_disconnect_req(pc, pr, NULL);
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_CONNECT_ERR, pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_t308_1(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
L3DelTimer(&pc->timer);
|
||
|
|
l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1);
|
||
|
|
L3AddTimer(&pc->timer, T308, CC_T308_2);
|
||
|
|
newl3state(pc, 19);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_t308_2(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
L3DelTimer(&pc->timer);
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_RELEASE_ERR, pc);
|
||
|
|
release_l3_process(pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_dl_reset(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
pc->para.cause = CAUSE_LocalProcErr;
|
||
|
|
l3_1tr6_disconnect_req(pc, pr, NULL);
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
l3_1tr6_dl_release(struct l3_process *pc, u_char pr, void *arg)
|
||
|
|
{
|
||
|
|
newl3state(pc, 0);
|
||
|
|
pc->para.cause = 0x1b; /* Destination out of order */
|
||
|
|
pc->para.loc = 0;
|
||
|
|
pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
|
||
|
|
release_l3_process(pc);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* *INDENT-OFF* */
|
||
|
|
static struct stateentry downstl[] =
|
||
|
|
{
|
||
|
|
{SBIT(0),
|
||
|
|
CC_SETUP | REQUEST, l3_1tr6_setup_req},
|
||
|
|
{SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(6) | SBIT(7) | SBIT(8) |
|
||
|
|
SBIT(10),
|
||
|
|
CC_DISCONNECT | REQUEST, l3_1tr6_disconnect_req},
|
||
|
|
{SBIT(12),
|
||
|
|
CC_RELEASE | REQUEST, l3_1tr6_release_req},
|
||
|
|
{SBIT(6),
|
||
|
|
CC_IGNORE | REQUEST, l3_1tr6_reset},
|
||
|
|
{SBIT(6),
|
||
|
|
CC_REJECT | REQUEST, l3_1tr6_disconnect_req},
|
||
|
|
{SBIT(6),
|
||
|
|
CC_ALERTING | REQUEST, l3_1tr6_alert_req},
|
||
|
|
{SBIT(6) | SBIT(7),
|
||
|
|
CC_SETUP | RESPONSE, l3_1tr6_setup_rsp},
|
||
|
|
{SBIT(1),
|
||
|
|
CC_T303, l3_1tr6_t303},
|
||
|
|
{SBIT(2),
|
||
|
|
CC_T304, l3_1tr6_t304},
|
||
|
|
{SBIT(3),
|
||
|
|
CC_T310, l3_1tr6_t310},
|
||
|
|
{SBIT(8),
|
||
|
|
CC_T313, l3_1tr6_t313},
|
||
|
|
{SBIT(11),
|
||
|
|
CC_T305, l3_1tr6_t305},
|
||
|
|
{SBIT(19),
|
||
|
|
CC_T308_1, l3_1tr6_t308_1},
|
||
|
|
{SBIT(19),
|
||
|
|
CC_T308_2, l3_1tr6_t308_2},
|
||
|
|
};
|
||
|
|
|
||
|
|
#define DOWNSTL_LEN \
|
||
|
|
(sizeof(downstl) / sizeof(struct stateentry))
|
||
|
|
|
||
|
|
static struct stateentry datastln1[] =
|
||
|
|
{
|
||
|
|
{SBIT(0),
|
||
|
|
MT_N1_INVALID, l3_1tr6_invalid},
|
||
|
|
{SBIT(0),
|
||
|
|
MT_N1_SETUP, l3_1tr6_setup},
|
||
|
|
{SBIT(1),
|
||
|
|
MT_N1_SETUP_ACK, l3_1tr6_setup_ack},
|
||
|
|
{SBIT(1) | SBIT(2),
|
||
|
|
MT_N1_CALL_SENT, l3_1tr6_call_sent},
|
||
|
|
{SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10),
|
||
|
|
MT_N1_DISC, l3_1tr6_disc},
|
||
|
|
{SBIT(2) | SBIT(3) | SBIT(4),
|
||
|
|
MT_N1_ALERT, l3_1tr6_alert},
|
||
|
|
{SBIT(2) | SBIT(3) | SBIT(4),
|
||
|
|
MT_N1_CONN, l3_1tr6_connect},
|
||
|
|
{SBIT(2),
|
||
|
|
MT_N1_INFO, l3_1tr6_info_s2},
|
||
|
|
{SBIT(8),
|
||
|
|
MT_N1_CONN_ACK, l3_1tr6_connect_ack},
|
||
|
|
{SBIT(10),
|
||
|
|
MT_N1_INFO, l3_1tr6_info},
|
||
|
|
{SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) |
|
||
|
|
SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17),
|
||
|
|
MT_N1_REL, l3_1tr6_rel},
|
||
|
|
{SBIT(19),
|
||
|
|
MT_N1_REL, l3_1tr6_rel_ack},
|
||
|
|
{SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) |
|
||
|
|
SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17),
|
||
|
|
MT_N1_REL_ACK, l3_1tr6_invalid},
|
||
|
|
{SBIT(19),
|
||
|
|
MT_N1_REL_ACK, l3_1tr6_rel_ack}
|
||
|
|
};
|
||
|
|
|
||
|
|
#define DATASTLN1_LEN \
|
||
|
|
(sizeof(datastln1) / sizeof(struct stateentry))
|
||
|
|
|
||
|
|
static struct stateentry manstatelist[] =
|
||
|
|
{
|
||
|
|
{SBIT(2),
|
||
|
|
DL_ESTABLISH | INDICATION, l3_1tr6_dl_reset},
|
||
|
|
{ALL_STATES,
|
||
|
|
DL_RELEASE | INDICATION, l3_1tr6_dl_release},
|
||
|
|
};
|
||
|
|
|
||
|
|
#define MANSLLEN \
|
||
|
|
(sizeof(manstatelist) / sizeof(struct stateentry))
|
||
|
|
/* *INDENT-ON* */
|
||
|
|
|
||
|
|
static void
|
||
|
|
up1tr6(struct PStack *st, int pr, void *arg)
|
||
|
|
{
|
||
|
|
int i, mt, cr;
|
||
|
|
struct l3_process *proc;
|
||
|
|
struct sk_buff *skb = arg;
|
||
|
|
char tmp[80];
|
||
|
|
|
||
|
|
switch (pr) {
|
||
|
|
case (DL_DATA | INDICATION):
|
||
|
|
case (DL_UNIT_DATA | INDICATION):
|
||
|
|
break;
|
||
|
|
case (DL_ESTABLISH | CONFIRM):
|
||
|
|
case (DL_ESTABLISH | INDICATION):
|
||
|
|
case (DL_RELEASE | INDICATION):
|
||
|
|
case (DL_RELEASE | CONFIRM):
|
||
|
|
l3_msg(st, pr, arg);
|
||
|
|
return;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (skb->len < 4) {
|
||
|
|
if (st->l3.debug & L3_DEB_PROTERR) {
|
||
|
|
sprintf(tmp, "up1tr6 len only %d", skb->len);
|
||
|
|
l3_debug(st, tmp);
|
||
|
|
}
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if ((skb->data[0] & 0xfe) != PROTO_DIS_N0) {
|
||
|
|
if (st->l3.debug & L3_DEB_PROTERR) {
|
||
|
|
sprintf(tmp, "up1tr6%sunexpected discriminator %x message len %d",
|
||
|
|
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
|
||
|
|
skb->data[0], skb->len);
|
||
|
|
l3_debug(st, tmp);
|
||
|
|
}
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (skb->data[1] != 1) {
|
||
|
|
if (st->l3.debug & L3_DEB_PROTERR) {
|
||
|
|
sprintf(tmp, "up1tr6 CR len not 1");
|
||
|
|
l3_debug(st, tmp);
|
||
|
|
}
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
cr = skb->data[2];
|
||
|
|
mt = skb->data[3];
|
||
|
|
if (skb->data[0] == PROTO_DIS_N0) {
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
if (st->l3.debug & L3_DEB_STATE) {
|
||
|
|
sprintf(tmp, "up1tr6%s N0 mt %x unhandled",
|
||
|
|
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", mt);
|
||
|
|
l3_debug(st, tmp);
|
||
|
|
}
|
||
|
|
} else if (skb->data[0] == PROTO_DIS_N1) {
|
||
|
|
if (!(proc = getl3proc(st, cr))) {
|
||
|
|
if (mt == MT_N1_SETUP) {
|
||
|
|
if (cr < 128) {
|
||
|
|
if (!(proc = new_l3_process(st, cr))) {
|
||
|
|
if (st->l3.debug & L3_DEB_PROTERR) {
|
||
|
|
sprintf(tmp, "up1tr6 no roc mem");
|
||
|
|
l3_debug(st, tmp);
|
||
|
|
}
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
} else if ((mt == MT_N1_REL) || (mt == MT_N1_REL_ACK) ||
|
||
|
|
(mt == MT_N1_CANC_ACK) || (mt == MT_N1_CANC_REJ) ||
|
||
|
|
(mt == MT_N1_REG_ACK) || (mt == MT_N1_REG_REJ) ||
|
||
|
|
(mt == MT_N1_SUSP_ACK) || (mt == MT_N1_RES_REJ) ||
|
||
|
|
(mt == MT_N1_INFO)) {
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
return;
|
||
|
|
} else {
|
||
|
|
if (!(proc = new_l3_process(st, cr))) {
|
||
|
|
if (st->l3.debug & L3_DEB_PROTERR) {
|
||
|
|
sprintf(tmp, "up1tr6 no roc mem");
|
||
|
|
l3_debug(st, tmp);
|
||
|
|
}
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
mt = MT_N1_INVALID;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
for (i = 0; i < DATASTLN1_LEN; i++)
|
||
|
|
if ((mt == datastln1[i].primitive) &&
|
||
|
|
((1 << proc->state) & datastln1[i].state))
|
||
|
|
break;
|
||
|
|
if (i == DATASTLN1_LEN) {
|
||
|
|
dev_kfree_skb(skb);
|
||
|
|
if (st->l3.debug & L3_DEB_STATE) {
|
||
|
|
sprintf(tmp, "up1tr6%sstate %d mt %x unhandled",
|
||
|
|
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
|
||
|
|
proc->state, mt);
|
||
|
|
l3_debug(st, tmp);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
} else {
|
||
|
|
if (st->l3.debug & L3_DEB_STATE) {
|
||
|
|
sprintf(tmp, "up1tr6%sstate %d mt %x",
|
||
|
|
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
|
||
|
|
proc->state, mt);
|
||
|
|
l3_debug(st, tmp);
|
||
|
|
}
|
||
|
|
datastln1[i].rout(proc, pr, skb);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
down1tr6(struct PStack *st, int pr, void *arg)
|
||
|
|
{
|
||
|
|
int i, cr;
|
||
|
|
struct l3_process *proc;
|
||
|
|
struct Channel *chan;
|
||
|
|
char tmp[80];
|
||
|
|
|
||
|
|
if ((DL_ESTABLISH | REQUEST)== pr) {
|
||
|
|
l3_msg(st, pr, NULL);
|
||
|
|
return;
|
||
|
|
} else if ((CC_SETUP | REQUEST) == pr) {
|
||
|
|
chan = arg;
|
||
|
|
cr = newcallref();
|
||
|
|
cr |= 0x80;
|
||
|
|
if (!(proc = new_l3_process(st, cr))) {
|
||
|
|
return;
|
||
|
|
} else {
|
||
|
|
proc->chan = chan;
|
||
|
|
chan->proc = proc;
|
||
|
|
memcpy(&proc->para.setup, &chan->setup, sizeof(setup_parm));
|
||
|
|
proc->callref = cr;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
proc = arg;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < DOWNSTL_LEN; i++)
|
||
|
|
if ((pr == downstl[i].primitive) &&
|
||
|
|
((1 << proc->state) & downstl[i].state))
|
||
|
|
break;
|
||
|
|
if (i == DOWNSTL_LEN) {
|
||
|
|
if (st->l3.debug & L3_DEB_STATE) {
|
||
|
|
sprintf(tmp, "down1tr6 state %d prim %d unhandled",
|
||
|
|
proc->state, pr);
|
||
|
|
l3_debug(st, tmp);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (st->l3.debug & L3_DEB_STATE) {
|
||
|
|
sprintf(tmp, "down1tr6 state %d prim %d",
|
||
|
|
proc->state, pr);
|
||
|
|
l3_debug(st, tmp);
|
||
|
|
}
|
||
|
|
downstl[i].rout(proc, pr, arg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
man1tr6(struct PStack *st, int pr, void *arg)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
struct l3_process *proc = arg;
|
||
|
|
|
||
|
|
if (!proc) {
|
||
|
|
printk(KERN_ERR "HiSax man1tr6 without proc pr=%04x\n", pr);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
for (i = 0; i < MANSLLEN; i++)
|
||
|
|
if ((pr == manstatelist[i].primitive) &&
|
||
|
|
((1 << proc->state) & manstatelist[i].state))
|
||
|
|
break;
|
||
|
|
if (i == MANSLLEN) {
|
||
|
|
if (st->l3.debug & L3_DEB_STATE) {
|
||
|
|
l3_debug(st, "cr %d man1tr6 state %d prim %d unhandled",
|
||
|
|
proc->callref & 0x7f, proc->state, pr);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (st->l3.debug & L3_DEB_STATE) {
|
||
|
|
l3_debug(st, "cr %d man1tr6 state %d prim %d",
|
||
|
|
proc->callref & 0x7f, proc->state, pr);
|
||
|
|
}
|
||
|
|
manstatelist[i].rout(proc, pr, arg);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
setstack_1tr6(struct PStack *st)
|
||
|
|
{
|
||
|
|
char tmp[64];
|
||
|
|
|
||
|
|
st->lli.l4l3 = down1tr6;
|
||
|
|
st->l2.l2l3 = up1tr6;
|
||
|
|
st->l3.l3ml3 = man1tr6;
|
||
|
|
st->l3.N303 = 0;
|
||
|
|
|
||
|
|
strcpy(tmp, l3_1tr6_revision);
|
||
|
|
printk(KERN_INFO "HiSax: 1TR6 Rev. %s\n", HiSax_getrev(tmp));
|
||
|
|
}
|