/* $Id: l3_1tr6.c,v 2.15.2.3 2004/01/13 14:31:25 keil Exp $ * * German 1TR6 D-channel protocol * * Author Karsten Keil * Copyright by Karsten Keil <keil@isdn4linux.de> * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * * For changes and modifications please read * Documentation/isdn/HiSax.cert * */ #include "hisax.h" #include "l3_1tr6.h" #include "isdnl3.h" #include <linux/ctype.h> extern char *HiSax_getrev(const char *revision); static const char *l3_1tr6_revision = "$Revision: 2.15.2.3 $"; #define MsgHead(ptr, cref, mty, dis) \ *ptr++ = dis; \ *ptr++ = 0x1; \ *ptr++ = cref ^ 0x80; \ *ptr++ = mty static void l3_1TR6_message(struct l3_process *pc, u_char mt, u_char pd) { struct sk_buff *skb; u_char *p; if (!(skb = l3_alloc_skb(4))) return; p = skb_put(skb, 4); MsgHead(p, pc->callref, mt, pd); l3_msg(pc->st, DL_DATA | REQUEST, skb); } static void l3_1tr6_release_req(struct l3_process *pc, u_char pr, void *arg) { StopAllL3Timer(pc); newl3state(pc, 19); l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1); L3AddTimer(&pc->timer, T308, CC_T308_1); } static void l3_1tr6_invalid(struct l3_process *pc, u_char pr, void *arg) { struct sk_buff *skb = arg; dev_kfree_skb(skb); l3_1tr6_release_req(pc, 0, NULL); } static void l3_1tr6_error(struct l3_process *pc, u_char *msg, struct sk_buff *skb) { dev_kfree_skb(skb); if (pc->st->l3.debug & L3_DEB_WARN) l3_debug(pc->st, msg); l3_1tr6_release_req(pc, 0, NULL); } static void l3_1tr6_setup_req(struct l3_process *pc, u_char pr, void *arg) { struct sk_buff *skb; u_char tmp[128]; u_char *p = tmp; u_char *teln; u_char *eaz; u_char channel = 0; int l; MsgHead(p, pc->callref, MT_N1_SETUP, PROTO_DIS_N1); teln = pc->para.setup.phone; pc->para.spv = 0; if (!isdigit(*teln)) { switch (0x5f & *teln) { case 'S': pc->para.spv = 1; break; case 'C': channel = 0x08; case 'P': channel |= 0x80; teln++; if (*teln == '1') channel |= 0x01; else channel |= 0x02; break; default: if (pc->st->l3.debug & L3_DEB_WARN) l3_debug(pc->st, "Wrong MSN Code"); break; } teln++; } if (channel) { *p++ = 0x18; /* channel indicator */ *p++ = 1; *p++ = channel; } if (pc->para.spv) { /* SPV ? */ /* NSF SPV */ *p++ = WE0_netSpecFac; *p++ = 4; /* Laenge */ *p++ = 0; *p++ = FAC_SPV; /* SPV */ *p++ = pc->para.setup.si1; /* 0 for all Services */ *p++ = pc->para.setup.si2; /* 0 for all Services */ *p++ = WE0_netSpecFac; *p++ = 4; /* Laenge */ *p++ = 0; *p++ = FAC_Activate; /* aktiviere SPV (default) */ *p++ = pc->para.setup.si1; /* 0 for all Services */ *p++ = pc->para.setup.si2; /* 0 for all Services */ } eaz = pc->para.setup.eazmsn; if (*eaz) { *p++ = WE0_origAddr; *p++ = strlen(eaz) + 1; /* Classify as AnyPref. */ *p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */ while (*eaz) *p++ = *eaz++ & 0x7f; } *p++ = WE0_destAddr; *p++ = strlen(teln) + 1; /* Classify as AnyPref. */ *p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */ while (*teln) *p++ = *teln++ & 0x7f; *p++ = WE_Shift_F6; /* Codesatz 6 fuer Service */ *p++ = WE6_serviceInd; *p++ = 2; /* len=2 info,info2 */ *p++ = pc->para.setup.si1; *p++ = pc->para.setup.si2; l = p - tmp; if (!(skb = l3_alloc_skb(l))) return; memcpy(skb_put(skb, l), tmp, l); L3DelTimer(&pc->timer); L3AddTimer(&pc->timer, T303, CC_T303); newl3state(pc, 1); l3_msg(pc->st, DL_DATA | REQUEST, skb); } static void l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg) { u_char *p; int bcfound = 0; char tmp[80]; struct sk_buff *skb = arg; p = skb->data; /* Channel Identification */ p = skb->data; if ((p = findie(p, skb->len, WE0_chanID, 0))) { if (p[1] != 1) { l3_1tr6_error(pc, "setup wrong chanID len", skb); return; } if ((p[2] & 0xf4) != 0x80) { l3_1tr6_error(pc, "setup wrong WE0_chanID", skb); return; } if ((pc->para.bchannel = p[2] & 0x3)) bcfound++; } else { l3_1tr6_error(pc, "missing setup chanID", skb); return; } p = skb->data; if ((p = findie(p, skb->len, WE6_serviceInd, 6))) { pc->para.setup.si1 = p[2]; pc->para.setup.si2 = p[3]; } else { l3_1tr6_error(pc, "missing setup SI", skb); return; } p = skb->data; if ((p = findie(p, skb->len, WE0_destAddr, 0))) iecpy(pc->para.setup.eazmsn, p, 1); else pc->para.setup.eazmsn[0] = 0; p = skb->data; if ((p = findie(p, skb->len, WE0_origAddr, 0))) { iecpy(pc->para.setup.phone, p, 1); } else pc->para.setup.phone[0] = 0; p = skb->data; pc->para.spv = 0; if ((p = findie(p, skb->len, WE0_netSpecFac, 0))) { if ((FAC_SPV == p[3]) || (FAC_Activate == p[3])) pc->para.spv = 1; } dev_kfree_skb(skb); /* Signal all services, linklevel takes care of Service-Indicator */ if (bcfound) { if ((pc->para.setup.si1 != 7) && (pc->st->l3.debug & L3_DEB_WARN)) { sprintf(tmp, "non-digital call: %s -> %s", pc->para.setup.phone, pc->para.setup.eazmsn); l3_debug(pc->st, tmp); } newl3state(pc, 6); pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc); } else release_l3_process(pc); } static void l3_1tr6_setup_ack(struct l3_process *pc, u_char pr, void *arg) { u_char *p; struct sk_buff *skb = arg; L3DelTimer(&pc->timer); p = skb->data; newl3state(pc, 2); if ((p = findie(p, skb->len, WE0_chanID, 0))) { if (p[1] != 1) { l3_1tr6_error(pc, "setup_ack wrong chanID len", skb); return; } if ((p[2] & 0xf4) != 0x80) { l3_1tr6_error(pc, "setup_ack wrong WE0_chanID", skb); return; } pc->para.bchannel = p[2] & 0x3; } else { l3_1tr6_error(pc, "missing setup_ack WE0_chanID", skb); return; } dev_kfree_skb(skb); L3AddTimer(&pc->timer, T304, CC_T304); pc->st->l3.l3l4(pc->st, CC_MORE_INFO | INDICATION, pc); } static void l3_1tr6_call_sent(struct l3_process *pc, u_char pr, void *arg) { u_char *p; struct sk_buff *skb = arg; L3DelTimer(&pc->timer); p = skb->data; if ((p = findie(p, skb->len, WE0_chanID, 0))) { if (p[1] != 1) { l3_1tr6_error(pc, "call sent wrong chanID len", skb); return; } if ((p[2] & 0xf4) != 0x80) { l3_1tr6_error(pc, "call sent wrong WE0_chanID", skb); return; } if ((pc->state == 2) && (pc->para.bchannel != (p[2] & 0x3))) { l3_1tr6_error(pc, "call sent wrong chanID value", skb); return; } pc->para.bchannel = p[2] & 0x3; } else { l3_1tr6_error(pc, "missing call sent WE0_chanID", skb); return; } dev_kfree_skb(skb); L3AddTimer(&pc->timer, T310, CC_T310); newl3state(pc, 3); pc->st->l3.l3l4(pc->st, CC_PROCEEDING | INDICATION, pc); } static void l3_1tr6_alert(struct l3_process *pc, u_char pr, void *arg) { struct sk_buff *skb = arg; dev_kfree_skb(skb); L3DelTimer(&pc->timer); /* T304 */ newl3state(pc, 4); pc->st->l3.l3l4(pc->st, CC_ALERTING | INDICATION, pc); } static void l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg) { u_char *p; int i, tmpcharge = 0; char a_charge[8], tmp[32]; struct sk_buff *skb = arg; 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"); dev_kfree_skb(skb); } static void l3_1tr6_info_s2(struct l3_process *pc, u_char pr, void *arg) { struct sk_buff *skb = arg; dev_kfree_skb(skb); } static void l3_1tr6_connect(struct l3_process *pc, u_char pr, void *arg) { struct sk_buff *skb = arg; L3DelTimer(&pc->timer); /* T310 */ if (!findie(skb->data, skb->len, WE6_date, 6)) { l3_1tr6_error(pc, "missing connect date", skb); return; } newl3state(pc, 10); dev_kfree_skb(skb); pc->para.chargeinfo = 0; pc->st->l3.l3l4(pc->st, CC_SETUP | CONFIRM, pc); } 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}, }; 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} }; static struct stateentry manstatelist[] = { {SBIT(2), DL_ESTABLISH | INDICATION, l3_1tr6_dl_reset}, {ALL_STATES, DL_RELEASE | INDICATION, l3_1tr6_dl_release}, }; /* *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 < ARRAY_SIZE(datastln1); i++) if ((mt == datastln1[i].primitive) && ((1 << proc->state) & datastln1[i].state)) break; if (i == ARRAY_SIZE(datastln1)) { 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 < ARRAY_SIZE(downstl); i++) if ((pr == downstl[i].primitive) && ((1 << proc->state) & downstl[i].state)) break; if (i == ARRAY_SIZE(downstl)) { 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 < ARRAY_SIZE(manstatelist); i++) if ((pr == manstatelist[i].primitive) && ((1 << proc->state) & manstatelist[i].state)) break; if (i == ARRAY_SIZE(manstatelist)) { 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)); }