diff options
Diffstat (limited to 'drivers/isdn/hisax/l3ni1.c')
-rw-r--r-- | drivers/isdn/hisax/l3ni1.c | 1838 |
1 files changed, 919 insertions, 919 deletions
diff --git a/drivers/isdn/hisax/l3ni1.c b/drivers/isdn/hisax/l3ni1.c index 092dcbb39d9..0df6691d045 100644 --- a/drivers/isdn/hisax/l3ni1.c +++ b/drivers/isdn/hisax/l3ni1.c @@ -4,14 +4,14 @@ * * Author Matt Henderson & Guy Ellis * Copyright by Traverse Technologies Pty Ltd, www.travers.com.au - * + * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * - * 2000.6.6 Initial implementation of routines for US NI1 - * Layer 3 protocol based on the EURO/DSS1 D-channel protocol - * driver written by Karsten Keil et al. - * NI-1 Hall of Fame - Thanks to.... + * 2000.6.6 Initial implementation of routines for US NI1 + * Layer 3 protocol based on the EURO/DSS1 D-channel protocol + * driver written by Karsten Keil et al. + * NI-1 Hall of Fame - Thanks to.... * Ragnar Paulson - for some handy code fragments * Will Scales - beta tester extraordinaire * Brett Whittacre - beta tester and remote devel system in Vegas @@ -29,14 +29,14 @@ static const char *ni1_revision = "$Revision: 2.8.2.3 $"; #define EXT_BEARER_CAPS 1 -#define MsgHead(ptr, cref, mty) \ - *ptr++ = 0x8; \ - if (cref == -1) { \ - *ptr++ = 0x0; \ - } else { \ - *ptr++ = 0x1; \ - *ptr++ = cref^0x80; \ - } \ +#define MsgHead(ptr, cref, mty) \ + *ptr++ = 0x8; \ + if (cref == -1) { \ + *ptr++ = 0x0; \ + } else { \ + *ptr++ = 0x1; \ + *ptr++ = cref^0x80; \ + } \ *ptr++ = mty @@ -48,22 +48,22 @@ static unsigned char new_invoke_id(struct PStack *p) { unsigned char retval; int i; - + i = 32; /* maximum search depth */ retval = p->prot.ni1.last_invoke_id + 1; /* try new id */ while ((i) && (p->prot.ni1.invoke_used[retval >> 3] == 0xFF)) { p->prot.ni1.last_invoke_id = (retval & 0xF8) + 8; i--; - } + } if (i) { while (p->prot.ni1.invoke_used[retval >> 3] & (1 << (retval & 7))) - retval++; + retval++; } else retval = 0; p->prot.ni1.last_invoke_id = retval; p->prot.ni1.invoke_used[retval >> 3] |= (1 << (retval & 7)); - return(retval); + return (retval); } /* new_invoke_id */ /*************************/ @@ -72,10 +72,10 @@ static unsigned char new_invoke_id(struct PStack *p) static void free_invoke_id(struct PStack *p, unsigned char id) { - if (!id) return; /* 0 = invalid value */ + if (!id) return; /* 0 = invalid value */ - p->prot.ni1.invoke_used[id >> 3] &= ~(1 << (id & 7)); -} /* free_invoke_id */ + p->prot.ni1.invoke_used[id >> 3] &= ~(1 << (id & 7)); +} /* free_invoke_id */ /**********************************************************/ @@ -85,26 +85,26 @@ static struct l3_process *ni1_new_l3_process(struct PStack *st, int cr) { struct l3_process *proc; - if (!(proc = new_l3_process(st, cr))) - return(NULL); + if (!(proc = new_l3_process(st, cr))) + return (NULL); - proc->prot.ni1.invoke_id = 0; - proc->prot.ni1.remote_operation = 0; - proc->prot.ni1.uus1_data[0] = '\0'; - - return(proc); + proc->prot.ni1.invoke_id = 0; + proc->prot.ni1.remote_operation = 0; + proc->prot.ni1.uus1_data[0] = '\0'; + + return (proc); } /* ni1_new_l3_process */ /************************************************/ /* free a l3 process and all ni1 specific data */ -/************************************************/ +/************************************************/ static void ni1_release_l3_process(struct l3_process *p) { - free_invoke_id(p->st,p->prot.ni1.invoke_id); - release_l3_process(p); + free_invoke_id(p->st, p->prot.ni1.invoke_id); + release_l3_process(p); } /* ni1_release_l3_process */ - + /********************************************************/ /* search a process with invoke id id and dummy callref */ /********************************************************/ @@ -112,120 +112,120 @@ static struct l3_process * l3ni1_search_dummy_proc(struct PStack *st, int id) { struct l3_process *pc = st->l3.proc; /* start of processes */ - if (!id) return(NULL); + if (!id) return (NULL); - while (pc) - { if ((pc->callref == -1) && (pc->prot.ni1.invoke_id == id)) - return(pc); - pc = pc->next; - } - return(NULL); + while (pc) + { if ((pc->callref == -1) && (pc->prot.ni1.invoke_id == id)) + return (pc); + pc = pc->next; + } + return (NULL); } /* l3ni1_search_dummy_proc */ /*******************************************************************/ /* called when a facility message with a dummy callref is received */ /* and a return result is delivered. id specifies the invoke id. */ -/*******************************************************************/ -static void +/*******************************************************************/ +static void l3ni1_dummy_return_result(struct PStack *st, int id, u_char *p, u_char nlen) { isdn_ctrl ic; - struct IsdnCardState *cs; - struct l3_process *pc = NULL; - - if ((pc = l3ni1_search_dummy_proc(st, id))) - { L3DelTimer(&pc->timer); /* remove timer */ - - cs = pc->st->l1.hardware; - ic.driver = cs->myid; - ic.command = ISDN_STAT_PROT; - ic.arg = NI1_STAT_INVOKE_RES; - ic.parm.ni1_io.hl_id = pc->prot.ni1.invoke_id; - ic.parm.ni1_io.ll_id = pc->prot.ni1.ll_id; - ic.parm.ni1_io.proc = pc->prot.ni1.proc; - ic.parm.ni1_io.timeout= 0; - ic.parm.ni1_io.datalen = nlen; - ic.parm.ni1_io.data = p; - free_invoke_id(pc->st, pc->prot.ni1.invoke_id); - pc->prot.ni1.invoke_id = 0; /* reset id */ - - cs->iif.statcallb(&ic); - ni1_release_l3_process(pc); - } - else - l3_debug(st, "dummy return result id=0x%x result len=%d",id,nlen); + struct IsdnCardState *cs; + struct l3_process *pc = NULL; + + if ((pc = l3ni1_search_dummy_proc(st, id))) + { L3DelTimer(&pc->timer); /* remove timer */ + + cs = pc->st->l1.hardware; + ic.driver = cs->myid; + ic.command = ISDN_STAT_PROT; + ic.arg = NI1_STAT_INVOKE_RES; + ic.parm.ni1_io.hl_id = pc->prot.ni1.invoke_id; + ic.parm.ni1_io.ll_id = pc->prot.ni1.ll_id; + ic.parm.ni1_io.proc = pc->prot.ni1.proc; + ic.parm.ni1_io.timeout = 0; + ic.parm.ni1_io.datalen = nlen; + ic.parm.ni1_io.data = p; + free_invoke_id(pc->st, pc->prot.ni1.invoke_id); + pc->prot.ni1.invoke_id = 0; /* reset id */ + + cs->iif.statcallb(&ic); + ni1_release_l3_process(pc); + } + else + l3_debug(st, "dummy return result id=0x%x result len=%d", id, nlen); } /* l3ni1_dummy_return_result */ /*******************************************************************/ /* called when a facility message with a dummy callref is received */ /* and a return error is delivered. id specifies the invoke id. */ -/*******************************************************************/ -static void +/*******************************************************************/ +static void l3ni1_dummy_error_return(struct PStack *st, int id, ulong error) { isdn_ctrl ic; - struct IsdnCardState *cs; - struct l3_process *pc = NULL; - - if ((pc = l3ni1_search_dummy_proc(st, id))) - { L3DelTimer(&pc->timer); /* remove timer */ - - cs = pc->st->l1.hardware; - ic.driver = cs->myid; - ic.command = ISDN_STAT_PROT; - ic.arg = NI1_STAT_INVOKE_ERR; - ic.parm.ni1_io.hl_id = pc->prot.ni1.invoke_id; - ic.parm.ni1_io.ll_id = pc->prot.ni1.ll_id; - ic.parm.ni1_io.proc = pc->prot.ni1.proc; - ic.parm.ni1_io.timeout= error; - ic.parm.ni1_io.datalen = 0; - ic.parm.ni1_io.data = NULL; - free_invoke_id(pc->st, pc->prot.ni1.invoke_id); - pc->prot.ni1.invoke_id = 0; /* reset id */ - - cs->iif.statcallb(&ic); - ni1_release_l3_process(pc); - } - else - l3_debug(st, "dummy return error id=0x%x error=0x%lx",id,error); + struct IsdnCardState *cs; + struct l3_process *pc = NULL; + + if ((pc = l3ni1_search_dummy_proc(st, id))) + { L3DelTimer(&pc->timer); /* remove timer */ + + cs = pc->st->l1.hardware; + ic.driver = cs->myid; + ic.command = ISDN_STAT_PROT; + ic.arg = NI1_STAT_INVOKE_ERR; + ic.parm.ni1_io.hl_id = pc->prot.ni1.invoke_id; + ic.parm.ni1_io.ll_id = pc->prot.ni1.ll_id; + ic.parm.ni1_io.proc = pc->prot.ni1.proc; + ic.parm.ni1_io.timeout = error; + ic.parm.ni1_io.datalen = 0; + ic.parm.ni1_io.data = NULL; + free_invoke_id(pc->st, pc->prot.ni1.invoke_id); + pc->prot.ni1.invoke_id = 0; /* reset id */ + + cs->iif.statcallb(&ic); + ni1_release_l3_process(pc); + } + else + l3_debug(st, "dummy return error id=0x%x error=0x%lx", id, error); } /* l3ni1_error_return */ /*******************************************************************/ /* called when a facility message with a dummy callref is received */ /* and a invoke is delivered. id specifies the invoke id. */ -/*******************************************************************/ -static void -l3ni1_dummy_invoke(struct PStack *st, int cr, int id, - int ident, u_char *p, u_char nlen) +/*******************************************************************/ +static void +l3ni1_dummy_invoke(struct PStack *st, int cr, int id, + int ident, u_char *p, u_char nlen) { isdn_ctrl ic; - struct IsdnCardState *cs; - - l3_debug(st, "dummy invoke %s id=0x%x ident=0x%x datalen=%d", - (cr == -1) ? "local" : "broadcast",id,ident,nlen); - if (cr >= -1) return; /* ignore local data */ - - cs = st->l1.hardware; - ic.driver = cs->myid; - ic.command = ISDN_STAT_PROT; - ic.arg = NI1_STAT_INVOKE_BRD; - ic.parm.ni1_io.hl_id = id; - ic.parm.ni1_io.ll_id = 0; - ic.parm.ni1_io.proc = ident; - ic.parm.ni1_io.timeout= 0; - ic.parm.ni1_io.datalen = nlen; - ic.parm.ni1_io.data = p; - - cs->iif.statcallb(&ic); + struct IsdnCardState *cs; + + l3_debug(st, "dummy invoke %s id=0x%x ident=0x%x datalen=%d", + (cr == -1) ? "local" : "broadcast", id, ident, nlen); + if (cr >= -1) return; /* ignore local data */ + + cs = st->l1.hardware; + ic.driver = cs->myid; + ic.command = ISDN_STAT_PROT; + ic.arg = NI1_STAT_INVOKE_BRD; + ic.parm.ni1_io.hl_id = id; + ic.parm.ni1_io.ll_id = 0; + ic.parm.ni1_io.proc = ident; + ic.parm.ni1_io.timeout = 0; + ic.parm.ni1_io.datalen = nlen; + ic.parm.ni1_io.data = p; + + cs->iif.statcallb(&ic); } /* l3ni1_dummy_invoke */ static void l3ni1_parse_facility(struct PStack *st, struct l3_process *pc, - int cr, u_char * p) + int cr, u_char *p) { int qd_len = 0; unsigned char nlen = 0, ilen, cp_tag; int ident, id; ulong err_ret; - if (pc) + if (pc) st = pc->st; /* valid Stack */ else if ((!st) || (cr >= 0)) return; /* neither pc nor st specified */ @@ -254,173 +254,173 @@ l3ni1_parse_facility(struct PStack *st, struct l3_process *pc, l3_debug(st, "class and form != 0xA0"); return; } - - cp_tag = *p & 0x1F; /* remember tag value */ - p++; + cp_tag = *p & 0x1F; /* remember tag value */ + + p++; qd_len--; - if (qd_len < 1) - { l3_debug(st, "qd_len < 1"); - return; - } - if (*p & 0x80) - { /* length format indefinite or limited */ - nlen = *p++ & 0x7F; /* number of len bytes or indefinite */ - if ((qd_len-- < ((!nlen) ? 3 : (1 + nlen))) || - (nlen > 1)) - { l3_debug(st, "length format error or not implemented"); - return; - } - if (nlen == 1) - { nlen = *p++; /* complete length */ - qd_len--; - } - else - { qd_len -= 2; /* trailing null bytes */ - if ((*(p+qd_len)) || (*(p+qd_len+1))) - { l3_debug(st,"length format indefinite error"); - return; - } - nlen = qd_len; - } - } - else - { nlen = *p++; - qd_len--; - } - if (qd_len < nlen) - { l3_debug(st, "qd_len < nlen"); - return; - } + if (qd_len < 1) + { l3_debug(st, "qd_len < 1"); + return; + } + if (*p & 0x80) + { /* length format indefinite or limited */ + nlen = *p++ & 0x7F; /* number of len bytes or indefinite */ + if ((qd_len-- < ((!nlen) ? 3 : (1 + nlen))) || + (nlen > 1)) + { l3_debug(st, "length format error or not implemented"); + return; + } + if (nlen == 1) + { nlen = *p++; /* complete length */ + qd_len--; + } + else + { qd_len -= 2; /* trailing null bytes */ + if ((*(p + qd_len)) || (*(p + qd_len + 1))) + { l3_debug(st, "length format indefinite error"); + return; + } + nlen = qd_len; + } + } + else + { nlen = *p++; + qd_len--; + } + if (qd_len < nlen) + { l3_debug(st, "qd_len < nlen"); + return; + } qd_len -= nlen; - if (nlen < 2) - { l3_debug(st, "nlen < 2"); - return; - } - if (*p != 0x02) - { /* invoke identifier tag */ - l3_debug(st, "invoke identifier tag !=0x02"); - return; - } + if (nlen < 2) + { l3_debug(st, "nlen < 2"); + return; + } + if (*p != 0x02) + { /* invoke identifier tag */ + l3_debug(st, "invoke identifier tag !=0x02"); + return; + } p++; nlen--; - if (*p & 0x80) - { /* length format */ - l3_debug(st, "invoke id length format 2"); - return; - } + if (*p & 0x80) + { /* length format */ + l3_debug(st, "invoke id length format 2"); + return; + } ilen = *p++; nlen--; - if (ilen > nlen || ilen == 0) - { l3_debug(st, "ilen > nlen || ilen == 0"); - return; - } + if (ilen > nlen || ilen == 0) + { l3_debug(st, "ilen > nlen || ilen == 0"); + return; + } nlen -= ilen; id = 0; - while (ilen > 0) - { id = (id << 8) | (*p++ & 0xFF); /* invoke identifier */ - ilen--; - } + while (ilen > 0) + { id = (id << 8) | (*p++ & 0xFF); /* invoke identifier */ + ilen--; + } switch (cp_tag) { /* component tag */ - case 1: /* invoke */ - if (nlen < 2) { - l3_debug(st, "nlen < 2 22"); - return; - } - if (*p != 0x02) { /* operation value */ - l3_debug(st, "operation value !=0x02"); - return; - } - p++; - nlen--; - ilen = *p++; - nlen--; - if (ilen > nlen || ilen == 0) { - l3_debug(st, "ilen > nlen || ilen == 0 22"); - return; - } - nlen -= ilen; - ident = 0; - while (ilen > 0) { - ident = (ident << 8) | (*p++ & 0xFF); - ilen--; - } + case 1: /* invoke */ + if (nlen < 2) { + l3_debug(st, "nlen < 2 22"); + return; + } + if (*p != 0x02) { /* operation value */ + l3_debug(st, "operation value !=0x02"); + return; + } + p++; + nlen--; + ilen = *p++; + nlen--; + if (ilen > nlen || ilen == 0) { + l3_debug(st, "ilen > nlen || ilen == 0 22"); + return; + } + nlen -= ilen; + ident = 0; + while (ilen > 0) { + ident = (ident << 8) | (*p++ & 0xFF); + ilen--; + } - if (!pc) - { - l3ni1_dummy_invoke(st, cr, id, ident, p, nlen); - return; - } - l3_debug(st, "invoke break"); - break; - case 2: /* return result */ - /* if no process available handle separately */ - if (!pc) - { if (cr == -1) - l3ni1_dummy_return_result(st, id, p, nlen); - return; - } - if ((pc->prot.ni1.invoke_id) && (pc->prot.ni1.invoke_id == id)) - { /* Diversion successful */ - free_invoke_id(st,pc->prot.ni1.invoke_id); - pc->prot.ni1.remote_result = 0; /* success */ - pc->prot.ni1.invoke_id = 0; - pc->redir_result = pc->prot.ni1.remote_result; - st->l3.l3l4(st, CC_REDIR | INDICATION, pc); } /* Diversion successful */ - else - l3_debug(st,"return error unknown identifier"); - break; - case 3: /* return error */ - err_ret = 0; - if (nlen < 2) - { l3_debug(st, "return error nlen < 2"); - return; - } - if (*p != 0x02) - { /* result tag */ - l3_debug(st, "invoke error tag !=0x02"); - return; - } - p++; - nlen--; - if (*p > 4) - { /* length format */ - l3_debug(st, "invoke return errlen > 4 "); - return; - } - ilen = *p++; - nlen--; - if (ilen > nlen || ilen == 0) - { l3_debug(st, "error return ilen > nlen || ilen == 0"); - return; - } - nlen -= ilen; - while (ilen > 0) - { err_ret = (err_ret << 8) | (*p++ & 0xFF); /* error value */ - ilen--; - } - /* if no process available handle separately */ - if (!pc) - { if (cr == -1) - l3ni1_dummy_error_return(st, id, err_ret); - return; - } - if ((pc->prot.ni1.invoke_id) && (pc->prot.ni1.invoke_id == id)) - { /* Deflection error */ - free_invoke_id(st,pc->prot.ni1.invoke_id); - pc->prot.ni1.remote_result = err_ret; /* result */ - pc->prot.ni1.invoke_id = 0; - pc->redir_result = pc->prot.ni1.remote_result; - st->l3.l3l4(st, CC_REDIR | INDICATION, pc); - } /* Deflection error */ - else - l3_debug(st,"return result unknown identifier"); - break; - default: - l3_debug(st, "facility default break tag=0x%02x",cp_tag); - break; + if (!pc) + { + l3ni1_dummy_invoke(st, cr, id, ident, p, nlen); + return; + } + l3_debug(st, "invoke break"); + break; + case 2: /* return result */ + /* if no process available handle separately */ + if (!pc) + { if (cr == -1) + l3ni1_dummy_return_result(st, id, p, nlen); + return; + } + if ((pc->prot.ni1.invoke_id) && (pc->prot.ni1.invoke_id == id)) + { /* Diversion successful */ + free_invoke_id(st, pc->prot.ni1.invoke_id); + pc->prot.ni1.remote_result = 0; /* success */ + pc->prot.ni1.invoke_id = 0; + pc->redir_result = pc->prot.ni1.remote_result; + st->l3.l3l4(st, CC_REDIR | INDICATION, pc); } /* Diversion successful */ + else + l3_debug(st, "return error unknown identifier"); + break; + case 3: /* return error */ + err_ret = 0; + if (nlen < 2) + { l3_debug(st, "return error nlen < 2"); + return; + } + if (*p != 0x02) + { /* result tag */ + l3_debug(st, "invoke error tag !=0x02"); + return; + } + p++; + nlen--; + if (*p > 4) + { /* length format */ + l3_debug(st, "invoke return errlen > 4 "); + return; + } + ilen = *p++; + nlen--; + if (ilen > nlen || ilen == 0) + { l3_debug(st, "error return ilen > nlen || ilen == 0"); + return; + } + nlen -= ilen; + while (ilen > 0) + { err_ret = (err_ret << 8) | (*p++ & 0xFF); /* error value */ + ilen--; + } + /* if no process available handle separately */ + if (!pc) + { if (cr == -1) + l3ni1_dummy_error_return(st, id, err_ret); + return; + } + if ((pc->prot.ni1.invoke_id) && (pc->prot.ni1.invoke_id == id)) + { /* Deflection error */ + free_invoke_id(st, pc->prot.ni1.invoke_id); + pc->prot.ni1.remote_result = err_ret; /* result */ + pc->prot.ni1.invoke_id = 0; + pc->redir_result = pc->prot.ni1.remote_result; + st->l3.l3l4(st, CC_REDIR | INDICATION, pc); + } /* Deflection error */ + else + l3_debug(st, "return result unknown identifier"); + break; + default: + l3_debug(st, "facility default break tag=0x%02x", cp_tag); + break; } } @@ -518,21 +518,21 @@ l3ni1_msg_without_setup(struct l3_process *pc, u_char pr, void *arg) struct sk_buff *skb; switch (pc->para.cause) { - case 81: /* invalid callreference */ - case 88: /* incomp destination */ - case 96: /* mandory IE missing */ - case 100: /* invalid IE contents */ - case 101: /* incompatible Callstate */ - MsgHead(p, pc->callref, MT_RELEASE_COMPLETE); - *p++ = IE_CAUSE; - *p++ = 0x2; - *p++ = 0x80; - *p++ = pc->para.cause | 0x80; - break; - default: - printk(KERN_ERR "HiSax l3ni1_msg_without_setup wrong cause %d\n", - pc->para.cause); - return; + case 81: /* invalid callreference */ + case 88: /* incomp destination */ + case 96: /* mandory IE missing */ + case 100: /* invalid IE contents */ + case 101: /* incompatible Callstate */ + MsgHead(p, pc->callref, MT_RELEASE_COMPLETE); + *p++ = IE_CAUSE; + *p++ = 0x2; + *p++ = 0x80; + *p++ = pc->para.cause | 0x80; + break; + default: + printk(KERN_ERR "HiSax l3ni1_msg_without_setup wrong cause %d\n", + pc->para.cause); + return; } l = p - tmp; if (!(skb = l3_alloc_skb(l))) @@ -543,42 +543,42 @@ l3ni1_msg_without_setup(struct l3_process *pc, u_char pr, void *arg) } static int ie_ALERTING[] = {IE_BEARER, IE_CHANNEL_ID | IE_MANDATORY_1, - IE_FACILITY, IE_PROGRESS, IE_DISPLAY, IE_SIGNAL, IE_HLC, - IE_USER_USER, -1}; + IE_FACILITY, IE_PROGRESS, IE_DISPLAY, IE_SIGNAL, IE_HLC, + IE_USER_USER, -1}; static int ie_CALL_PROCEEDING[] = {IE_BEARER, IE_CHANNEL_ID | IE_MANDATORY_1, - IE_FACILITY, IE_PROGRESS, IE_DISPLAY, IE_HLC, -1}; -static int ie_CONNECT[] = {IE_BEARER, IE_CHANNEL_ID | IE_MANDATORY_1, - IE_FACILITY, IE_PROGRESS, IE_DISPLAY, IE_DATE, IE_SIGNAL, - IE_CONNECT_PN, IE_CONNECT_SUB, IE_LLC, IE_HLC, IE_USER_USER, -1}; + IE_FACILITY, IE_PROGRESS, IE_DISPLAY, IE_HLC, -1}; +static int ie_CONNECT[] = {IE_BEARER, IE_CHANNEL_ID | IE_MANDATORY_1, + IE_FACILITY, IE_PROGRESS, IE_DISPLAY, IE_DATE, IE_SIGNAL, + IE_CONNECT_PN, IE_CONNECT_SUB, IE_LLC, IE_HLC, IE_USER_USER, -1}; static int ie_CONNECT_ACKNOWLEDGE[] = {IE_CHANNEL_ID, IE_DISPLAY, IE_SIGNAL, -1}; static int ie_DISCONNECT[] = {IE_CAUSE | IE_MANDATORY, IE_FACILITY, - IE_PROGRESS, IE_DISPLAY, IE_SIGNAL, IE_USER_USER, -1}; + IE_PROGRESS, IE_DISPLAY, IE_SIGNAL, IE_USER_USER, -1}; static int ie_INFORMATION[] = {IE_COMPLETE, IE_DISPLAY, IE_KEYPAD, IE_SIGNAL, - IE_CALLED_PN, -1}; + IE_CALLED_PN, -1}; static int ie_NOTIFY[] = {IE_BEARER, IE_NOTIFY | IE_MANDATORY, IE_DISPLAY, -1}; static int ie_PROGRESS[] = {IE_BEARER, IE_CAUSE, IE_FACILITY, IE_PROGRESS | - IE_MANDATORY, IE_DISPLAY, IE_HLC, IE_USER_USER, -1}; + IE_MANDATORY, IE_DISPLAY, IE_HLC, IE_USER_USER, -1}; static int ie_RELEASE[] = {IE_CAUSE | IE_MANDATORY_1, IE_FACILITY, IE_DISPLAY, - IE_SIGNAL, IE_USER_USER, -1}; -/* a RELEASE_COMPLETE with errors don't require special actions -static int ie_RELEASE_COMPLETE[] = {IE_CAUSE | IE_MANDATORY_1, IE_DISPLAY, IE_SIGNAL, IE_USER_USER, -1}; + IE_SIGNAL, IE_USER_USER, -1}; +/* a RELEASE_COMPLETE with errors don't require special actions + static int ie_RELEASE_COMPLETE[] = {IE_CAUSE | IE_MANDATORY_1, IE_DISPLAY, IE_SIGNAL, IE_USER_USER, -1}; */ -static int ie_RESUME_ACKNOWLEDGE[] = {IE_CHANNEL_ID| IE_MANDATORY, IE_FACILITY, - IE_DISPLAY, -1}; +static int ie_RESUME_ACKNOWLEDGE[] = {IE_CHANNEL_ID | IE_MANDATORY, IE_FACILITY, + IE_DISPLAY, -1}; static int ie_RESUME_REJECT[] = {IE_CAUSE | IE_MANDATORY, IE_DISPLAY, -1}; static int ie_SETUP[] = {IE_COMPLETE, IE_BEARER | IE_MANDATORY, - IE_CHANNEL_ID| IE_MANDATORY, IE_FACILITY, IE_PROGRESS, - IE_NET_FAC, IE_DISPLAY, IE_KEYPAD, IE_SIGNAL, IE_CALLING_PN, - IE_CALLING_SUB, IE_CALLED_PN, IE_CALLED_SUB, IE_REDIR_NR, - IE_LLC, IE_HLC, IE_USER_USER, -1}; + IE_CHANNEL_ID | IE_MANDATORY, IE_FACILITY, IE_PROGRESS, + IE_NET_FAC, IE_DISPLAY, IE_KEYPAD, IE_SIGNAL, IE_CALLING_PN, + IE_CALLING_SUB, IE_CALLED_PN, IE_CALLED_SUB, IE_REDIR_NR, + IE_LLC, IE_HLC, IE_USER_USER, -1}; static int ie_SETUP_ACKNOWLEDGE[] = {IE_CHANNEL_ID | IE_MANDATORY, IE_FACILITY, - IE_PROGRESS, IE_DISPLAY, IE_SIGNAL, -1}; + IE_PROGRESS, IE_DISPLAY, IE_SIGNAL, -1}; static int ie_STATUS[] = {IE_CAUSE | IE_MANDATORY, IE_CALL_STATE | - IE_MANDATORY, IE_DISPLAY, -1}; + IE_MANDATORY, IE_DISPLAY, -1}; static int ie_STATUS_ENQUIRY[] = {IE_DISPLAY, -1}; static int ie_SUSPEND_ACKNOWLEDGE[] = {IE_DISPLAY, IE_FACILITY, -1}; static int ie_SUSPEND_REJECT[] = {IE_CAUSE | IE_MANDATORY, IE_DISPLAY, -1}; -/* not used +/* not used * static int ie_CONGESTION_CONTROL[] = {IE_CONGESTION | IE_MANDATORY, * IE_CAUSE | IE_MANDATORY, IE_DISPLAY, -1}; * static int ie_USER_INFORMATION[] = {IE_MORE_DATA, IE_USER_USER | IE_MANDATORY, -1}; @@ -586,8 +586,8 @@ static int ie_SUSPEND_REJECT[] = {IE_CAUSE | IE_MANDATORY, IE_DISPLAY, -1}; * IE_MANDATORY, -1}; */ static int ie_FACILITY[] = {IE_FACILITY | IE_MANDATORY, IE_DISPLAY, -1}; -static int comp_required[] = {1,2,3,5,6,7,9,10,11,14,15,-1}; -static int l3_valid_states[] = {0,1,2,3,4,6,7,8,9,10,11,12,15,17,19,25,-1}; +static int comp_required[] = {1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, -1}; +static int l3_valid_states[] = {0, 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 15, 17, 19, 25, -1}; struct ie_len { int ie; @@ -628,7 +628,7 @@ struct ie_len max_ie_len[] = { {IE_LLC, 18}, {IE_HLC, 5}, {IE_USER_USER, 131}, - {-1,0}, + {-1, 0}, }; static int @@ -636,10 +636,10 @@ getmax_ie_len(u_char ie) { int i = 0; while (max_ie_len[i].ie != -1) { if (max_ie_len[i].ie == ie) - return(max_ie_len[i].len); + return (max_ie_len[i].len); i++; } - return(255); + return (255); } static int @@ -649,14 +649,14 @@ ie_in_set(struct l3_process *pc, u_char ie, int *checklist) { while (*checklist != -1) { if ((*checklist & 0xff) == ie) { if (ie & 0x80) - return(-ret); + return (-ret); else - return(ret); + return (ret); } ret++; checklist++; } - return(0); + return (0); } static int @@ -670,7 +670,7 @@ check_infoelements(struct l3_process *pc, struct sk_buff *skb, int *checklist) u_char codeset = 0; u_char old_codeset = 0; u_char codelock = 1; - + p = skb->data; /* skip cr */ p++; @@ -688,7 +688,7 @@ check_infoelements(struct l3_process *pc, struct sk_buff *skb, int *checklist) codelock = 1; if (pc->debug & L3_DEB_CHECK) l3_debug(pc->st, "check IE shift%scodeset %d->%d", - codelock ? " locking ": " ", old_codeset, codeset); + codelock ? " locking " : " ", old_codeset, codeset); p++; continue; } @@ -720,7 +720,7 @@ check_infoelements(struct l3_process *pc, struct sk_buff *skb, int *checklist) if (!codelock) { if (pc->debug & L3_DEB_CHECK) l3_debug(pc->st, "check IE shift back codeset %d->%d", - codeset, old_codeset); + codeset, old_codeset); codeset = old_codeset; codelock = 1; } @@ -728,17 +728,17 @@ check_infoelements(struct l3_process *pc, struct sk_buff *skb, int *checklist) if (err_compr | err_ureg | err_len | err_seq) { if (pc->debug & L3_DEB_CHECK) l3_debug(pc->st, "check IE MT(%x) %d/%d/%d/%d", - mt, err_compr, err_ureg, err_len, err_seq); + mt, err_compr, err_ureg, err_len, err_seq); if (err_compr) - return(ERR_IE_COMPREHENSION); + return (ERR_IE_COMPREHENSION); if (err_ureg) - return(ERR_IE_UNRECOGNIZED); + return (ERR_IE_UNRECOGNIZED); if (err_len) - return(ERR_IE_LENGTH); + return (ERR_IE_LENGTH); if (err_seq) - return(ERR_IE_SEQUENCE); - } - return(0); + return (ERR_IE_SEQUENCE); + } + return (0); } /* verify if a message type exists and contain no IE error */ @@ -746,42 +746,42 @@ static int l3ni1_check_messagetype_validity(struct l3_process *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: - if (pc->debug & L3_DEB_CHECK) - l3_debug(pc->st, "l3ni1_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: - if (pc->debug & (L3_DEB_CHECK | L3_DEB_WARN)) - l3_debug(pc->st, "l3ni1_check_messagetype_validity mt(%x) fail", mt); - pc->para.cause = 97; - l3ni1_status_send(pc, 0, NULL); - return(1); + 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: + if (pc->debug & L3_DEB_CHECK) + l3_debug(pc->st, "l3ni1_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: + if (pc->debug & (L3_DEB_CHECK | L3_DEB_WARN)) + l3_debug(pc->st, "l3ni1_check_messagetype_validity mt(%x) fail", mt); + pc->para.cause = 97; + l3ni1_status_send(pc, 0, NULL); + return (1); } - return(0); + return (0); } static void @@ -789,24 +789,24 @@ l3ni1_std_ie_err(struct l3_process *pc, int ret) { if (pc->debug & L3_DEB_CHECK) l3_debug(pc->st, "check_infoelements ret %d", ret); - switch(ret) { - case 0: - break; - case ERR_IE_COMPREHENSION: - pc->para.cause = 96; - l3ni1_status_send(pc, 0, NULL); - break; - case ERR_IE_UNRECOGNIZED: - pc->para.cause = 99; - l3ni1_status_send(pc, 0, NULL); - break; - case ERR_IE_LENGTH: - pc->para.cause = 100; - l3ni1_status_send(pc, 0, NULL); - break; - case ERR_IE_SEQUENCE: - default: - break; + switch (ret) { + case 0: + break; + case ERR_IE_COMPREHENSION: + pc->para.cause = 96; + l3ni1_status_send(pc, 0, NULL); + break; + case ERR_IE_UNRECOGNIZED: + pc->para.cause = 99; + l3ni1_status_send(pc, 0, NULL); + break; + case ERR_IE_LENGTH: + pc->para.cause = 100; + l3ni1_status_send(pc, 0, NULL); + break; + case ERR_IE_SEQUENCE: + default: + break; } } @@ -828,14 +828,14 @@ l3ni1_get_channel_id(struct l3_process *pc, struct sk_buff *skb) { l3_debug(pc->st, "wrong chid %x", *p); return (-3); } - return(*p & 0x3); + return (*p & 0x3); } else - return(-1); + return (-1); } static int l3ni1_get_cause(struct l3_process *pc, struct sk_buff *skb) { - u_char l, i=0; + u_char l, i = 0; u_char *p; p = skb->data; @@ -844,13 +844,13 @@ l3ni1_get_cause(struct l3_process *pc, struct sk_buff *skb) { if ((p = findie(p, skb->len, IE_CAUSE, 0))) { p++; l = *p++; - if (l>30) - return(1); + if (l > 30) + return (1); if (l) { pc->para.loc = *p++; l--; } else { - return(2); + return (2); } if (l && !(pc->para.loc & 0x80)) { l--; @@ -860,36 +860,36 @@ l3ni1_get_cause(struct l3_process *pc, struct sk_buff *skb) { pc->para.cause = *p++; l--; if (!(pc->para.cause & 0x80)) - return(3); + return (3); } else - return(4); - while (l && (i<6)) { + return (4); + while (l && (i < 6)) { pc->para.diag[i++] = *p++; l--; } } else - return(-1); - return(0); + return (-1); + return (0); } static void l3ni1_msg_with_uus(struct l3_process *pc, u_char cmd) { struct sk_buff *skb; - u_char tmp[16+40]; + u_char tmp[16 + 40]; u_char *p = tmp; int l; MsgHead(p, pc->callref, cmd); - if (pc->prot.ni1.uus1_data[0]) - { *p++ = IE_USER_USER; /* UUS info element */ - *p++ = strlen(pc->prot.ni1.uus1_data) + 1; - *p++ = 0x04; /* IA5 chars */ - strcpy(p,pc->prot.ni1.uus1_data); - p += strlen(pc->prot.ni1.uus1_data); - pc->prot.ni1.uus1_data[0] = '\0'; - } + if (pc->prot.ni1.uus1_data[0]) + { *p++ = IE_USER_USER; /* UUS info element */ + *p++ = strlen(pc->prot.ni1.uus1_data) + 1; + *p++ = 0x04; /* IA5 chars */ + strcpy(p, pc->prot.ni1.uus1_data); + p += strlen(pc->prot.ni1.uus1_data); + pc->prot.ni1.uus1_data[0] = '\0'; + } l = p - tmp; if (!(skb = l3_alloc_skb(l))) @@ -903,7 +903,7 @@ l3ni1_release_req(struct l3_process *pc, u_char pr, void *arg) { StopAllL3Timer(pc); newl3state(pc, 19); - if (!pc->prot.ni1.uus1_data[0]) + if (!pc->prot.ni1.uus1_data[0]) l3ni1_message(pc, MT_RELEASE); else l3ni1_msg_with_uus(pc, MT_RELEASE); @@ -916,9 +916,9 @@ l3ni1_release_cmpl(struct l3_process *pc, u_char pr, void *arg) struct sk_buff *skb = arg; int ret; - if ((ret = l3ni1_get_cause(pc, skb))>0) { + if ((ret = l3ni1_get_cause(pc, skb)) > 0) { if (pc->debug & L3_DEB_WARN) - l3_debug(pc->st, "RELCMPL get_cause ret(%d)",ret); + l3_debug(pc->st, "RELCMPL get_cause ret(%d)", ret); } else if (ret < 0) pc->para.cause = NO_CAUSE; StopAllL3Timer(pc); @@ -930,7 +930,7 @@ l3ni1_release_cmpl(struct l3_process *pc, u_char pr, void *arg) #if EXT_BEARER_CAPS static u_char * -EncodeASyncParams(u_char * p, u_char si2) +EncodeASyncParams(u_char *p, u_char si2) { // 7c 06 88 90 21 42 00 bb p[0] = 0; @@ -958,38 +958,38 @@ EncodeASyncParams(u_char * p, u_char si2) p[2] += 3; switch (si2 & 0x07) { - case 0: - p[0] = 66; // 1200 bit/s + case 0: + p[0] = 66; // 1200 bit/s - break; - case 1: - p[0] = 88; // 1200/75 bit/s + break; + case 1: + p[0] = 88; // 1200/75 bit/s - break; - case 2: - p[0] = 87; // 75/1200 bit/s + break; + case 2: + p[0] = 87; // 75/1200 bit/s - break; - case 3: - p[0] = 67; // 2400 bit/s + break; + case 3: + p[0] = 67; // 2400 bit/s - break; - case 4: - p[0] = 69; // 4800 bit/s + break; + case 4: + p[0] = 69; // 4800 bit/s - break; - case 5: - p[0] = 72; // 9600 bit/s + break; + case 5: + p[0] = 72; // 9600 bit/s - break; - case 6: - p[0] = 73; // 14400 bit/s + break; + case 6: + p[0] = 73; // 14400 bit/s - break; - case 7: - p[0] = 75; // 19200 bit/s + break; + case 7: + p[0] = 75; // 19200 bit/s - break; + break; } return p + 3; } @@ -999,84 +999,84 @@ EncodeSyncParams(u_char si2, u_char ai) { switch (si2) { - case 0: - return ai + 2; // 1200 bit/s + case 0: + return ai + 2; // 1200 bit/s - case 1: - return ai + 24; // 1200/75 bit/s + case 1: + return ai + 24; // 1200/75 bit/s - case 2: - return ai + 23; // 75/1200 bit/s + case 2: + return ai + 23; // 75/1200 bit/s - case 3: - return ai + 3; // 2400 bit/s + case 3: + return ai + 3; // 2400 bit/s - case 4: - return ai + 5; // 4800 bit/s + case 4: + return ai + 5; // 4800 bit/s - case 5: - return ai + 8; // 9600 bit/s + case 5: + return ai + 8; // 9600 bit/s - case 6: - return ai + 9; // 14400 bit/s + case 6: + return ai + 9; // 14400 bit/s - case 7: - return ai + 11; // 19200 bit/s + case 7: + return ai + 11; // 19200 bit/s - case 8: - return ai + 14; // 48000 bit/s + case 8: + return ai + 14; // 48000 bit/s - case 9: - return ai + 15; // 56000 bit/s + case 9: + return ai + 15; // 56000 bit/s - case 15: - return ai + 40; // negotiate bit/s + case 15: + return ai + 40; // negotiate bit/s - default: - break; + default: + break; } return ai; } static u_char -DecodeASyncParams(u_char si2, u_char * p) +DecodeASyncParams(u_char si2, u_char *p) { u_char info; switch (p[5]) { - case 66: // 1200 bit/s + case 66: // 1200 bit/s - break; // si2 don't change + break; // si2 don't change - case 88: // 1200/75 bit/s + case 88: // 1200/75 bit/s - si2 += 1; - break; - case 87: // 75/1200 bit/s + si2 += 1; + break; + case 87: // 75/1200 bit/s - si2 += 2; - break; - case 67: // 2400 bit/s + si2 += 2; + break; + case 67: // 2400 bit/s - si2 += 3; - break; - case 69: // 4800 bit/s + si2 += 3; + break; + case 69: // 4800 bit/s - si2 += 4; - break; - case 72: // 9600 bit/s + si2 += 4; + break; + case 72: // 9600 bit/s - si2 += 5; - break; - case 73: // 14400 bit/s + si2 += 5; + break; + case 73: // 14400 bit/s - si2 += 6; - break; - case 75: // 19200 bit/s + si2 += 6; + break; + case 75: // 19200 bit/s - si2 += 7; - break; + si2 += 7; + break; } info = p[7] & 0x7f; @@ -1101,39 +1101,39 @@ DecodeSyncParams(u_char si2, u_char info) { info &= 0x7f; switch (info) { - case 40: // bit/s negotiation failed ai := 165 not 175! + case 40: // bit/s negotiation failed ai := 165 not 175! - return si2 + 15; - case 15: // 56000 bit/s failed, ai := 0 not 169 ! + return si2 + 15; + case 15: // 56000 bit/s failed, ai := 0 not 169 ! - return si2 + 9; - case 14: // 48000 bit/s + return si2 + 9; + case 14: // 48000 bit/s - return si2 + 8; - case 11: // 19200 bit/s + return si2 + 8; + case 11: // 19200 bit/s - return si2 + 7; - case 9: // 14400 bit/s + return si2 + 7; + case 9: // 14400 bit/s - return si2 + 6; - case 8: // 9600 bit/s + return si2 + 6; + case 8: // 9600 bit/s - return si2 + 5; - case 5: // 4800 bit/s + return si2 + 5; + case 5: // 4800 bit/s - return si2 + 4; - case 3: // 2400 bit/s + return si2 + 4; + case 3: // 2400 bit/s - return si2 + 3; - case 23: // 75/1200 bit/s + return si2 + 3; + case 23: // 75/1200 bit/s - return si2 + 2; - case 24: // 1200/75 bit/s + return si2 + 2; + case 24: // 1200/75 bit/s - return si2 + 1; - default: // 1200 bit/s + return si2 + 1; + default: // 1200 bit/s - return si2; + return si2; } } @@ -1144,20 +1144,20 @@ DecodeSI2(struct sk_buff *skb) if ((p = findie(skb->data, skb->len, 0x7c, 0))) { switch (p[4] & 0x0f) { - case 0x01: - if (p[1] == 0x04) // sync. Bitratenadaption + case 0x01: + if (p[1] == 0x04) // sync. Bitratenadaption - return DecodeSyncParams(160, p[5]); // V.110/X.30 + return DecodeSyncParams(160, p[5]); // V.110/X.30 - else if (p[1] == 0x06) // async. Bitratenadaption + else if (p[1] == 0x06) // async. Bitratenadaption - return DecodeASyncParams(192, p); // V.110/X.30 + return DecodeASyncParams(192, p); // V.110/X.30 - break; - case 0x08: // if (p[5] == 0x02) // sync. Bitratenadaption - if (p[1] > 3) - return DecodeSyncParams(176, p[5]); // V.120 - break; + break; + case 0x08: // if (p[5] == 0x02) // sync. Bitratenadaption + if (p[1] > 3) + return DecodeSyncParams(176, p[5]); // V.120 + break; } } return 0; @@ -1168,7 +1168,7 @@ DecodeSI2(struct sk_buff *skb) static void l3ni1_setup_req(struct l3_process *pc, u_char pr, - void *arg) + void *arg) { struct sk_buff *skb; u_char tmp[128]; @@ -1191,7 +1191,7 @@ l3ni1_setup_req(struct l3_process *pc, u_char pr, case 1: /* Telephony */ *p++ = IE_BEARER; *p++ = 0x3; /* Length */ - *p++ = 0x90; /* 3.1khz Audio */ + *p++ = 0x90; /* 3.1khz Audio */ *p++ = 0x90; /* Circuit-Mode 64kbps */ *p++ = 0xa2; /* u-Law Audio */ break; @@ -1214,7 +1214,7 @@ l3ni1_setup_req(struct l3_process *pc, u_char pr, } else sp++; } - + *p++ = IE_KEYPAD; *p++ = strlen(teln); while (*teln) @@ -1222,7 +1222,7 @@ l3ni1_setup_req(struct l3_process *pc, u_char pr, if (sub) *sub++ = '.'; - + #if EXT_BEARER_CAPS if ((pc->para.setup.si2 >= 160) && (pc->para.setup.si2 <= 175)) { // sync. Bitratenadaption, V.110/X.30 @@ -1250,7 +1250,7 @@ l3ni1_setup_req(struct l3_process *pc, u_char pr, *p++ = 0x21; p = EncodeASyncParams(p, pc->para.setup.si2 - 192); } else { - switch (pc->para.setup.si1) { + switch (pc->para.setup.si1) { case 1: /* Telephony */ *p++ = IE_LLC; *p++ = 0x3; /* Length */ @@ -1266,14 +1266,14 @@ l3ni1_setup_req(struct l3_process *pc, u_char pr, *p++ = 0x88; /* Coding Std. CCITT, unrestr. dig. Inform. */ *p++ = 0x90; /* Circuit-Mode 64kbps */ break; - } + } } #endif 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); @@ -1375,7 +1375,7 @@ l3ni1_disconnect(struct l3_process *pc, u_char pr, void *arg) cause = 96; else if (ret > 0) cause = 100; - } + } if ((p = findie(skb->data, skb->len, IE_FACILITY, 0))) l3ni1_parse_facility(pc->st, pc, pc->callref, p); ret = check_infoelements(pc, skb, ie_DISCONNECT); @@ -1387,10 +1387,10 @@ l3ni1_disconnect(struct l3_process *pc, u_char pr, void *arg) newl3state(pc, 12); if (cause) newl3state(pc, 19); - if (11 != ret) + if (11 != ret) pc->st->l3.l3l4(pc->st, CC_DISCONNECT | INDICATION, pc); - else if (!cause) - l3ni1_release_req(pc, pr, NULL); + else if (!cause) + l3ni1_release_req(pc, pr, NULL); if (cause) { l3ni1_message_cause(pc, MT_RELEASE, cause); L3AddTimer(&pc->timer, T308, CC_T308_1); @@ -1456,56 +1456,56 @@ l3ni1_setup(struct l3_process *pc, u_char pr, void *arg) else { pc->para.setup.si2 = 0; switch (p[2] & 0x7f) { - case 0x00: /* Speech */ - case 0x10: /* 3.1 Khz audio */ - pc->para.setup.si1 = 1; - break; - case 0x08: /* Unrestricted digital information */ - pc->para.setup.si1 = 7; + case 0x00: /* Speech */ + case 0x10: /* 3.1 Khz audio */ + pc->para.setup.si1 = 1; + break; + case 0x08: /* Unrestricted digital information */ + pc->para.setup.si1 = 7; /* JIM, 05.11.97 I wanna set service indicator 2 */ #if EXT_BEARER_CAPS - pc->para.setup.si2 = DecodeSI2(skb); + pc->para.setup.si2 = DecodeSI2(skb); #endif - break; - case 0x09: /* Restricted digital information */ - pc->para.setup.si1 = 2; - break; - case 0x11: - /* Unrestr. digital information with - * tones/announcements ( or 7 kHz audio - */ - pc->para.setup.si1 = 3; - break; - case 0x18: /* Video */ - pc->para.setup.si1 = 4; - break; - default: - err = 2; - break; + break; + case 0x09: /* Restricted digital information */ + pc->para.setup.si1 = 2; + break; + case 0x11: + /* Unrestr. digital information with + * tones/announcements ( or 7 kHz audio + */ + pc->para.setup.si1 = 3; + break; + case 0x18: /* Video */ + pc->para.setup.si1 = 4; + break; + default: + err = 2; + break; } switch (p[3] & 0x7f) { - case 0x40: /* packed mode */ - pc->para.setup.si1 = 8; - break; - case 0x10: /* 64 kbit */ - case 0x11: /* 2*64 kbit */ - case 0x13: /* 384 kbit */ - case 0x15: /* 1536 kbit */ - case 0x17: /* 1920 kbit */ - pc->para.moderate = p[3] & 0x7f; - break; - default: - err = 3; - break; + case 0x40: /* packed mode */ + pc->para.setup.si1 = 8; + break; + case 0x10: /* 64 kbit */ + case 0x11: /* 2*64 kbit */ + case 0x13: /* 384 kbit */ + case 0x15: /* 1536 kbit */ + case 0x17: /* 1920 kbit */ + pc->para.moderate = p[3] & 0x7f; + break; + default: + err = 3; + break; } } if (pc->debug & L3_DEB_SI) l3_debug(pc->st, "SI=%d, AI=%d", - pc->para.setup.si1, pc->para.setup.si2); + pc->para.setup.si1, pc->para.setup.si2); if (err) { if (pc->debug & L3_DEB_WARN) l3_debug(pc->st, "setup with wrong bearer(l=%d:%x,%x)", - p[1], p[2], p[3]); + p[1], p[2], p[3]); pc->para.cause = 100; l3ni1_msg_without_setup(pc, pr, NULL); return; @@ -1526,17 +1526,17 @@ l3ni1_setup(struct l3_process *pc, u_char pr, void *arg) if ((3 == id) && (0x10 == pc->para.moderate)) { if (pc->debug & L3_DEB_WARN) l3_debug(pc->st, "setup with wrong chid %x", - id); + id); pc->para.cause = 100; l3ni1_msg_without_setup(pc, pr, NULL); return; } bcfound++; - } else - { if (pc->debug & L3_DEB_WARN) - l3_debug(pc->st, "setup without bchannel, call waiting"); - bcfound++; - } + } else + { if (pc->debug & L3_DEB_WARN) + l3_debug(pc->st, "setup without bchannel, call waiting"); + bcfound++; + } } else { if (pc->debug & L3_DEB_WARN) l3_debug(pc->st, "setup with wrong chid ret %d", id); @@ -1611,7 +1611,7 @@ static void l3ni1_disconnect_req(struct l3_process *pc, u_char pr, void *arg) { struct sk_buff *skb; - u_char tmp[16+40]; + u_char tmp[16 + 40]; u_char *p = tmp; int l; u_char cause = 16; @@ -1628,14 +1628,14 @@ l3ni1_disconnect_req(struct l3_process *pc, u_char pr, void *arg) *p++ = 0x80; *p++ = cause | 0x80; - if (pc->prot.ni1.uus1_data[0]) - { *p++ = IE_USER_USER; /* UUS info element */ - *p++ = strlen(pc->prot.ni1.uus1_data) + 1; - *p++ = 0x04; /* IA5 chars */ - strcpy(p,pc->prot.ni1.uus1_data); - p += strlen(pc->prot.ni1.uus1_data); - pc->prot.ni1.uus1_data[0] = '\0'; - } + if (pc->prot.ni1.uus1_data[0]) + { *p++ = IE_USER_USER; /* UUS info element */ + *p++ = strlen(pc->prot.ni1.uus1_data) + 1; + *p++ = 0x04; /* IA5 chars */ + strcpy(p, pc->prot.ni1.uus1_data); + p += strlen(pc->prot.ni1.uus1_data); + pc->prot.ni1.uus1_data[0] = '\0'; + } l = p - tmp; if (!(skb = l3_alloc_skb(l))) @@ -1648,18 +1648,18 @@ l3ni1_disconnect_req(struct l3_process *pc, u_char pr, void *arg) static void l3ni1_setup_rsp(struct l3_process *pc, u_char pr, - void *arg) -{ - if (!pc->para.bchannel) - { if (pc->debug & L3_DEB_WARN) - l3_debug(pc->st, "D-chan connect for waiting call"); - l3ni1_disconnect_req(pc, pr, arg); - return; - } + void *arg) +{ + if (!pc->para.bchannel) + { if (pc->debug & L3_DEB_WARN) + l3_debug(pc->st, "D-chan connect for waiting call"); + l3ni1_disconnect_req(pc, pr, arg); + return; + } newl3state(pc, 8); if (pc->debug & L3_DEB_WARN) l3_debug(pc->st, "D-chan connect for waiting call"); - l3ni1_message_plus_chid(pc, MT_CONNECT); /* GE 05/09/00 */ + l3ni1_message_plus_chid(pc, MT_CONNECT); /* GE 05/09/00 */ L3DelTimer(&pc->timer); L3AddTimer(&pc->timer, T313, CC_T313); } @@ -1716,26 +1716,26 @@ l3ni1_release(struct l3_process *pc, u_char pr, void *arg) { struct sk_buff *skb = arg; u_char *p; - int ret, cause=0; + int ret, cause = 0; StopAllL3Timer(pc); - if ((ret = l3ni1_get_cause(pc, skb))>0) { + if ((ret = l3ni1_get_cause(pc, skb)) > 0) { if (pc->debug & L3_DEB_WARN) l3_debug(pc->st, "REL get_cause ret(%d)", ret); - } else if (ret<0) + } else if (ret < 0) pc->para.cause = NO_CAUSE; if ((p = findie(skb->data, skb->len, IE_FACILITY, 0))) { l3ni1_parse_facility(pc->st, pc, pc->callref, p); } - if ((ret<0) && (pc->state != 11)) + if ((ret < 0) && (pc->state != 11)) cause = 96; - else if (ret>0) + else if (ret > 0) cause = 100; ret = check_infoelements(pc, skb, ie_RELEASE); if (ERR_IE_COMPREHENSION == ret) cause = 96; else if ((ERR_IE_UNRECOGNIZED == ret) && (!cause)) - cause = 99; + cause = 99; if (cause) l3ni1_message_cause(pc, MT_RELEASE_COMPLETE, cause); else @@ -1747,27 +1747,27 @@ l3ni1_release(struct l3_process *pc, u_char pr, void *arg) static void l3ni1_alert_req(struct l3_process *pc, u_char pr, - void *arg) + void *arg) { newl3state(pc, 7); - if (!pc->prot.ni1.uus1_data[0]) + if (!pc->prot.ni1.uus1_data[0]) l3ni1_message(pc, MT_ALERTING); else - l3ni1_msg_with_uus(pc, MT_ALERTING); + l3ni1_msg_with_uus(pc, MT_ALERTING); } static void l3ni1_proceed_req(struct l3_process *pc, u_char pr, - void *arg) + void *arg) { newl3state(pc, 9); l3ni1_message(pc, MT_CALL_PROCEEDING); - pc->st->l3.l3l4(pc->st, CC_PROCEED_SEND | INDICATION, pc); + pc->st->l3.l3l4(pc->st, CC_PROCEED_SEND | INDICATION, pc); } static void l3ni1_setup_ack_req(struct l3_process *pc, u_char pr, - void *arg) + void *arg) { newl3state(pc, 25); L3DelTimer(&pc->timer); @@ -1781,22 +1781,22 @@ l3ni1_setup_ack_req(struct l3_process *pc, u_char pr, static void l3ni1_deliver_display(struct l3_process *pc, int pr, u_char *infp) { u_char len; - isdn_ctrl ic; + isdn_ctrl ic; struct IsdnCardState *cs; - char *p; + char *p; - if (*infp++ != IE_DISPLAY) return; - if ((len = *infp++) > 80) return; /* total length <= 82 */ + if (*infp++ != IE_DISPLAY) return; + if ((len = *infp++) > 80) return; /* total length <= 82 */ if (!pc->chan) return; - p = ic.parm.display; - while (len--) - *p++ = *infp++; + p = ic.parm.display; + while (len--) + *p++ = *infp++; *p = '\0'; ic.command = ISDN_STAT_DISPLAY; cs = pc->st->l1.hardware; ic.driver = cs->myid; - ic.arg = pc->chan->chan; + ic.arg = pc->chan->chan; cs->iif.statcallb(&ic); } /* l3ni1_deliver_display */ @@ -1814,37 +1814,37 @@ l3ni1_progress(struct l3_process *pc, u_char pr, void *arg) pc->para.cause = 100; } else if (!(p[2] & 0x70)) { switch (p[2]) { - case 0x80: + case 0x80: + case 0x81: + case 0x82: + case 0x84: + case 0x85: + case 0x87: + case 0x8a: + switch (p[3]) { case 0x81: case 0x82: + case 0x83: case 0x84: - case 0x85: - case 0x87: - case 0x8a: - switch (p[3]) { - case 0x81: - case 0x82: - case 0x83: - case 0x84: - case 0x88: - break; - default: - err = 2; - pc->para.cause = 100; - break; - } + case 0x88: break; default: - err = 3; + err = 2; pc->para.cause = 100; break; + } + break; + default: + err = 3; + pc->para.cause = 100; + break; } } } else { pc->para.cause = 96; err = 4; } - if (err) { + if (err) { if (pc->debug & L3_DEB_WARN) l3_debug(pc->st, "progress error %d", err); l3ni1_status_send(pc, pr, NULL); @@ -1871,21 +1871,21 @@ l3ni1_notify(struct l3_process *pc, u_char pr, void *arg) pc->para.cause = 100; } else { switch (p[2]) { - case 0x80: - case 0x81: - case 0x82: - break; - default: - pc->para.cause = 100; - err = 2; - break; + case 0x80: + case 0x81: + case 0x82: + break; + default: + pc->para.cause = 100; + err = 2; + break; } } } else { pc->para.cause = 96; err = 3; } - if (err) { + if (err) { if (pc->debug & L3_DEB_WARN) l3_debug(pc->st, "notify error %d", err); l3ni1_status_send(pc, pr, NULL); @@ -1908,7 +1908,7 @@ l3ni1_status_enq(struct l3_process *pc, u_char pr, void *arg) ret = check_infoelements(pc, skb, ie_STATUS_ENQUIRY); l3ni1_std_ie_err(pc, ret); pc->para.cause = 30; /* response to STATUS_ENQUIRY */ - l3ni1_status_send(pc, pr, NULL); + l3ni1_status_send(pc, pr, NULL); } static void @@ -1942,68 +1942,68 @@ static void l3ni1_redir_req(struct l3_process *pc, u_char pr, void *arg) struct sk_buff *skb; u_char tmp[128]; u_char *p = tmp; - u_char *subp; - u_char len_phone = 0; - u_char len_sub = 0; - int l; - - - strcpy(pc->prot.ni1.uus1_data,pc->chan->setup.eazmsn); /* copy uus element if available */ - if (!pc->chan->setup.phone[0]) - { pc->para.cause = -1; - l3ni1_disconnect_req(pc,pr,arg); /* disconnect immediately */ - return; - } /* only uus */ - - if (pc->prot.ni1.invoke_id) - free_invoke_id(pc->st,pc->prot.ni1.invoke_id); - - if (!(pc->prot.ni1.invoke_id = new_invoke_id(pc->st))) - return; - - MsgHead(p, pc->callref, MT_FACILITY); - - for (subp = pc->chan->setup.phone; (*subp) && (*subp != '.'); subp++) len_phone++; /* len of phone number */ - if (*subp++ == '.') len_sub = strlen(subp) + 2; /* length including info subaddress element */ + u_char *subp; + u_char len_phone = 0; + u_char len_sub = 0; + int l; + + + strcpy(pc->prot.ni1.uus1_data, pc->chan->setup.eazmsn); /* copy uus element if available */ + if (!pc->chan->setup.phone[0]) + { pc->para.cause = -1; + l3ni1_disconnect_req(pc, pr, arg); /* disconnect immediately */ + return; + } /* only uus */ + + if (pc->prot.ni1.invoke_id) + free_invoke_id(pc->st, pc->prot.ni1.invoke_id); + + if (!(pc->prot.ni1.invoke_id = new_invoke_id(pc->st))) + return; + + MsgHead(p, pc->callref, MT_FACILITY); + + for (subp = pc->chan->setup.phone; (*subp) && (*subp != '.'); subp++) len_phone++; /* len of phone number */ + if (*subp++ == '.') len_sub = strlen(subp) + 2; /* length including info subaddress element */ *p++ = 0x1c; /* Facility info element */ - *p++ = len_phone + len_sub + 2 + 2 + 8 + 3 + 3; /* length of element */ - *p++ = 0x91; /* remote operations protocol */ - *p++ = 0xa1; /* invoke component */ - - *p++ = len_phone + len_sub + 2 + 2 + 8 + 3; /* length of data */ - *p++ = 0x02; /* invoke id tag, integer */ + *p++ = len_phone + len_sub + 2 + 2 + 8 + 3 + 3; /* length of element */ + *p++ = 0x91; /* remote operations protocol */ + *p++ = 0xa1; /* invoke component */ + + *p++ = len_phone + len_sub + 2 + 2 + 8 + 3; /* length of data */ + *p++ = 0x02; /* invoke id tag, integer */ *p++ = 0x01; /* length */ - *p++ = pc->prot.ni1.invoke_id; /* invoke id */ - *p++ = 0x02; /* operation value tag, integer */ + *p++ = pc->prot.ni1.invoke_id; /* invoke id */ + *p++ = 0x02; /* operation value tag, integer */ *p++ = 0x01; /* length */ - *p++ = 0x0D; /* Call Deflect */ - - *p++ = 0x30; /* sequence phone number */ - *p++ = len_phone + 2 + 2 + 3 + len_sub; /* length */ - - *p++ = 0x30; /* Deflected to UserNumber */ - *p++ = len_phone+2+len_sub; /* length */ - *p++ = 0x80; /* NumberDigits */ + *p++ = 0x0D; /* Call Deflect */ + + *p++ = 0x30; /* sequence phone number */ + *p++ = len_phone + 2 + 2 + 3 + len_sub; /* length */ + + *p++ = 0x30; /* Deflected to UserNumber */ + *p++ = len_phone + 2 + len_sub; /* length */ + *p++ = 0x80; /* NumberDigits */ *p++ = len_phone; /* length */ - for (l = 0; l < len_phone; l++) - *p++ = pc->chan->setup.phone[l]; + for (l = 0; l < len_phone; l++) + *p++ = pc->chan->setup.phone[l]; - if (len_sub) - { *p++ = 0x04; /* called party subaddress */ - *p++ = len_sub - 2; - while (*subp) *p++ = *subp++; - } + if (len_sub) + { *p++ = 0x04; /* called party subaddress */ + *p++ = len_sub - 2; + while (*subp) *p++ = *subp++; + } - *p++ = 0x01; /* screening identifier */ - *p++ = 0x01; - *p++ = pc->chan->setup.screen; + *p++ = 0x01; /* screening identifier */ + *p++ = 0x01; + *p++ = pc->chan->setup.screen; 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); + l3_msg(pc->st, DL_DATA | REQUEST, skb); } /* l3ni1_redir_req */ /********************************************/ @@ -2011,8 +2011,8 @@ static void l3ni1_redir_req(struct l3_process *pc, u_char pr, void *arg) /********************************************/ static void l3ni1_redir_req_early(struct l3_process *pc, u_char pr, void *arg) { - l3ni1_proceed_req(pc,pr,arg); - l3ni1_redir_req(pc,pr,arg); + l3ni1_proceed_req(pc, pr, arg); + l3ni1_redir_req(pc, pr, arg); } /* l3ni1_redir_req_early */ /***********************************************/ @@ -2022,108 +2022,108 @@ static void l3ni1_redir_req_early(struct l3_process *pc, u_char pr, void *arg) /***********************************************/ static int l3ni1_cmd_global(struct PStack *st, isdn_ctrl *ic) { u_char id; - u_char temp[265]; - u_char *p = temp; - int i, l, proc_len; - struct sk_buff *skb; - struct l3_process *pc = NULL; - - switch (ic->arg) - { case NI1_CMD_INVOKE: - if (ic->parm.ni1_io.datalen < 0) return(-2); /* invalid parameter */ - - for (proc_len = 1, i = ic->parm.ni1_io.proc >> 8; i; i++) - i = i >> 8; /* add one byte */ - l = ic->parm.ni1_io.datalen + proc_len + 8; /* length excluding ie header */ - if (l > 255) - return(-2); /* too long */ - - if (!(id = new_invoke_id(st))) - return(0); /* first get a invoke id -> return if no available */ - - i = -1; - MsgHead(p, i, MT_FACILITY); /* build message head */ - *p++ = 0x1C; /* Facility IE */ - *p++ = l; /* length of ie */ - *p++ = 0x91; /* remote operations */ - *p++ = 0xA1; /* invoke */ - *p++ = l - 3; /* length of invoke */ - *p++ = 0x02; /* invoke id tag */ - *p++ = 0x01; /* length is 1 */ - *p++ = id; /* invoke id */ - *p++ = 0x02; /* operation */ - *p++ = proc_len; /* length of operation */ - - for (i = proc_len; i; i--) - *p++ = (ic->parm.ni1_io.proc >> (i-1)) & 0xFF; - memcpy(p, ic->parm.ni1_io.data, ic->parm.ni1_io.datalen); /* copy data */ - l = (p - temp) + ic->parm.ni1_io.datalen; /* total length */ - - if (ic->parm.ni1_io.timeout > 0) - if (!(pc = ni1_new_l3_process(st, -1))) - { free_invoke_id(st, id); - return(-2); - } - pc->prot.ni1.ll_id = ic->parm.ni1_io.ll_id; /* remember id */ - pc->prot.ni1.proc = ic->parm.ni1_io.proc; /* and procedure */ - - if (!(skb = l3_alloc_skb(l))) - { free_invoke_id(st, id); - if (pc) ni1_release_l3_process(pc); - return(-2); - } - memcpy(skb_put(skb, l), temp, l); - - if (pc) - { pc->prot.ni1.invoke_id = id; /* remember id */ - L3AddTimer(&pc->timer, ic->parm.ni1_io.timeout, CC_TNI1_IO | REQUEST); - } - - l3_msg(st, DL_DATA | REQUEST, skb); - ic->parm.ni1_io.hl_id = id; /* return id */ - return(0); - - case NI1_CMD_INVOKE_ABORT: - if ((pc = l3ni1_search_dummy_proc(st, ic->parm.ni1_io.hl_id))) - { L3DelTimer(&pc->timer); /* remove timer */ - ni1_release_l3_process(pc); - return(0); - } - else - { l3_debug(st, "l3ni1_cmd_global abort unknown id"); - return(-2); - } - break; - - default: - l3_debug(st, "l3ni1_cmd_global unknown cmd 0x%lx", ic->arg); - return(-1); - } /* switch ic-> arg */ - return(-1); + u_char temp[265]; + u_char *p = temp; + int i, l, proc_len; + struct sk_buff *skb; + struct l3_process *pc = NULL; + + switch (ic->arg) + { case NI1_CMD_INVOKE: + if (ic->parm.ni1_io.datalen < 0) return (-2); /* invalid parameter */ + + for (proc_len = 1, i = ic->parm.ni1_io.proc >> 8; i; i++) + i = i >> 8; /* add one byte */ + l = ic->parm.ni1_io.datalen + proc_len + 8; /* length excluding ie header */ + if (l > 255) + return (-2); /* too long */ + + if (!(id = new_invoke_id(st))) + return (0); /* first get a invoke id -> return if no available */ + + i = -1; + MsgHead(p, i, MT_FACILITY); /* build message head */ + *p++ = 0x1C; /* Facility IE */ + *p++ = l; /* length of ie */ + *p++ = 0x91; /* remote operations */ + *p++ = 0xA1; /* invoke */ + *p++ = l - 3; /* length of invoke */ + *p++ = 0x02; /* invoke id tag */ + *p++ = 0x01; /* length is 1 */ + *p++ = id; /* invoke id */ + *p++ = 0x02; /* operation */ + *p++ = proc_len; /* length of operation */ + + for (i = proc_len; i; i--) + *p++ = (ic->parm.ni1_io.proc >> (i - 1)) & 0xFF; + memcpy(p, ic->parm.ni1_io.data, ic->parm.ni1_io.datalen); /* copy data */ + l = (p - temp) + ic->parm.ni1_io.datalen; /* total length */ + + if (ic->parm.ni1_io.timeout > 0) + if (!(pc = ni1_new_l3_process(st, -1))) + { free_invoke_id(st, id); + return (-2); + } + pc->prot.ni1.ll_id = ic->parm.ni1_io.ll_id; /* remember id */ + pc->prot.ni1.proc = ic->parm.ni1_io.proc; /* and procedure */ + + if (!(skb = l3_alloc_skb(l))) + { free_invoke_id(st, id); + if (pc) ni1_release_l3_process(pc); + return (-2); + } + memcpy(skb_put(skb, l), temp, l); + + if (pc) + { pc->prot.ni1.invoke_id = id; /* remember id */ + L3AddTimer(&pc->timer, ic->parm.ni1_io.timeout, CC_TNI1_IO | REQUEST); + } + + l3_msg(st, DL_DATA | REQUEST, skb); + ic->parm.ni1_io.hl_id = id; /* return id */ + return (0); + + case NI1_CMD_INVOKE_ABORT: + if ((pc = l3ni1_search_dummy_proc(st, ic->parm.ni1_io.hl_id))) + { L3DelTimer(&pc->timer); /* remove timer */ + ni1_release_l3_process(pc); + return (0); + } + else + { l3_debug(st, "l3ni1_cmd_global abort unknown id"); + return (-2); + } + break; + + default: + l3_debug(st, "l3ni1_cmd_global unknown cmd 0x%lx", ic->arg); + return (-1); + } /* switch ic-> arg */ + return (-1); } /* l3ni1_cmd_global */ -static void +static void l3ni1_io_timer(struct l3_process *pc) { isdn_ctrl ic; - struct IsdnCardState *cs = pc->st->l1.hardware; + struct IsdnCardState *cs = pc->st->l1.hardware; - L3DelTimer(&pc->timer); /* remove timer */ + L3DelTimer(&pc->timer); /* remove timer */ - ic.driver = cs->myid; - ic.command = ISDN_STAT_PROT; - ic.arg = NI1_STAT_INVOKE_ERR; - ic.parm.ni1_io.hl_id = pc->prot.ni1.invoke_id; - ic.parm.ni1_io.ll_id = pc->prot.ni1.ll_id; - ic.parm.ni1_io.proc = pc->prot.ni1.proc; - ic.parm.ni1_io.timeout= -1; - ic.parm.ni1_io.datalen = 0; - ic.parm.ni1_io.data = NULL; - free_invoke_id(pc->st, pc->prot.ni1.invoke_id); - pc->prot.ni1.invoke_id = 0; /* reset id */ + ic.driver = cs->myid; + ic.command = ISDN_STAT_PROT; + ic.arg = NI1_STAT_INVOKE_ERR; + ic.parm.ni1_io.hl_id = pc->prot.ni1.invoke_id; + ic.parm.ni1_io.ll_id = pc->prot.ni1.ll_id; + ic.parm.ni1_io.proc = pc->prot.ni1.proc; + ic.parm.ni1_io.timeout = -1; + ic.parm.ni1_io.datalen = 0; + ic.parm.ni1_io.data = NULL; + free_invoke_id(pc->st, pc->prot.ni1.invoke_id); + pc->prot.ni1.invoke_id = 0; /* reset id */ - cs->iif.statcallb(&ic); + cs->iif.statcallb(&ic); - ni1_release_l3_process(pc); + ni1_release_l3_process(pc); } /* l3ni1_io_timer */ static void @@ -2293,12 +2293,12 @@ l3ni1_status(struct l3_process *pc, u_char pr, void *arg) { u_char *p; struct sk_buff *skb = arg; - int ret; + int ret; u_char cause = 0, callState = 0; - + if ((ret = l3ni1_get_cause(pc, skb))) { if (pc->debug & L3_DEB_WARN) - l3_debug(pc->st, "STATUS get_cause ret(%d)",ret); + l3_debug(pc->st, "STATUS get_cause ret(%d)", ret); if (ret < 0) cause = 96; else if (ret > 0) @@ -2323,9 +2323,9 @@ l3ni1_status(struct l3_process *pc, u_char pr, void *arg) } if (cause) { u_char tmp; - + if (pc->debug & L3_DEB_WARN) - l3_debug(pc->st, "STATUS error(%d/%d)",ret,cause); + l3_debug(pc->st, "STATUS error(%d/%d)", ret, cause); tmp = pc->para.cause; pc->para.cause = cause; l3ni1_status_send(pc, 0, NULL); @@ -2351,10 +2351,10 @@ l3ni1_facility(struct l3_process *pc, u_char pr, void *arg) { struct sk_buff *skb = arg; int ret; - + ret = check_infoelements(pc, skb, ie_FACILITY); l3ni1_std_ie_err(pc, ret); - { + { u_char *p; if ((p = findie(skb->data, skb->len, IE_FACILITY, 0))) l3ni1_parse_facility(pc->st, pc, pc->callref, p); @@ -2403,7 +2403,7 @@ l3ni1_suspend_ack(struct l3_process *pc, u_char pr, void *arg) /* We don't handle suspend_ack for IE errors now */ if ((ret = check_infoelements(pc, skb, ie_SUSPEND_ACKNOWLEDGE))) if (pc->debug & L3_DEB_WARN) - l3_debug(pc->st, "SUSPACK check ie(%d)",ret); + l3_debug(pc->st, "SUSPACK check ie(%d)", ret); ni1_release_l3_process(pc); } @@ -2415,8 +2415,8 @@ l3ni1_suspend_rej(struct l3_process *pc, u_char pr, void *arg) if ((ret = l3ni1_get_cause(pc, skb))) { if (pc->debug & L3_DEB_WARN) - l3_debug(pc->st, "SUSP_REJ get_cause ret(%d)",ret); - if (ret < 0) + l3_debug(pc->st, "SUSP_REJ get_cause ret(%d)", ret); + if (ret < 0) pc->para.cause = 96; else pc->para.cause = 100; @@ -2507,8 +2507,8 @@ l3ni1_resume_rej(struct l3_process *pc, u_char pr, void *arg) if ((ret = l3ni1_get_cause(pc, skb))) { if (pc->debug & L3_DEB_WARN) - l3_debug(pc->st, "RES_REJ get_cause ret(%d)",ret); - if (ret < 0) + l3_debug(pc->st, "RES_REJ get_cause ret(%d)", ret); + if (ret < 0) pc->para.cause = 96; else pc->para.cause = 100; @@ -2562,7 +2562,7 @@ l3ni1_global_restart(struct l3_process *pc, u_char pr, void *arg) up->st->lli.l4l3(up->st, CC_RESTART | REQUEST, up); else if (up->para.bchannel == chan) up->st->lli.l4l3(up->st, CC_RESTART | REQUEST, up); - + up = up->next; } p = tmp; @@ -2586,112 +2586,112 @@ l3ni1_global_restart(struct l3_process *pc, u_char pr, void *arg) static void l3ni1_dl_reset(struct l3_process *pc, u_char pr, void *arg) { - pc->para.cause = 0x29; /* Temporary failure */ - pc->para.loc = 0; - l3ni1_disconnect_req(pc, pr, NULL); - pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc); + pc->para.cause = 0x29; /* Temporary failure */ + pc->para.loc = 0; + l3ni1_disconnect_req(pc, pr, NULL); + pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc); } static void l3ni1_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); + 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); } static void l3ni1_dl_reestablish(struct l3_process *pc, u_char pr, void *arg) { - L3DelTimer(&pc->timer); - L3AddTimer(&pc->timer, T309, CC_T309); - l3_msg(pc->st, DL_ESTABLISH | REQUEST, NULL); + L3DelTimer(&pc->timer); + L3AddTimer(&pc->timer, T309, CC_T309); + l3_msg(pc->st, DL_ESTABLISH | REQUEST, NULL); } - + static void l3ni1_dl_reest_status(struct l3_process *pc, u_char pr, void *arg) { L3DelTimer(&pc->timer); - - pc->para.cause = 0x1F; /* normal, unspecified */ + + pc->para.cause = 0x1F; /* normal, unspecified */ l3ni1_status_send(pc, 0, NULL); } -static void l3ni1_SendSpid( struct l3_process *pc, u_char pr, struct sk_buff *skb, int iNewState ) +static void l3ni1_SendSpid(struct l3_process *pc, u_char pr, struct sk_buff *skb, int iNewState) { - u_char * p; - char * pSPID; - struct Channel * pChan = pc->st->lli.userdata; - int l; + u_char *p; + char *pSPID; + struct Channel *pChan = pc->st->lli.userdata; + int l; - if ( skb ) - dev_kfree_skb( skb); + if (skb) + dev_kfree_skb(skb); - if ( !( pSPID = strchr( pChan->setup.eazmsn, ':' ) ) ) + if (!(pSPID = strchr(pChan->setup.eazmsn, ':'))) { - printk( KERN_ERR "SPID not supplied in EAZMSN %s\n", pChan->setup.eazmsn ); - newl3state( pc, 0 ); - pc->st->l3.l3l2( pc->st, DL_RELEASE | REQUEST, NULL ); + printk(KERN_ERR "SPID not supplied in EAZMSN %s\n", pChan->setup.eazmsn); + newl3state(pc, 0); + pc->st->l3.l3l2(pc->st, DL_RELEASE | REQUEST, NULL); return; } - l = strlen( ++pSPID ); - if ( !( skb = l3_alloc_skb( 5+l ) ) ) + l = strlen(++pSPID); + if (!(skb = l3_alloc_skb(5 + l))) { - printk( KERN_ERR "HiSax can't get memory to send SPID\n" ); + printk(KERN_ERR "HiSax can't get memory to send SPID\n"); return; } - p = skb_put( skb, 5 ); + p = skb_put(skb, 5); *p++ = PROTO_DIS_EURO; *p++ = 0; *p++ = MT_INFORMATION; *p++ = IE_SPID; *p++ = l; - memcpy( skb_put( skb, l ), pSPID, l ); + memcpy(skb_put(skb, l), pSPID, l); - newl3state( pc, iNewState ); + newl3state(pc, iNewState); - L3DelTimer( &pc->timer ); - L3AddTimer( &pc->timer, TSPID, CC_TSPID ); + L3DelTimer(&pc->timer); + L3AddTimer(&pc->timer, TSPID, CC_TSPID); - pc->st->l3.l3l2( pc->st, DL_DATA | REQUEST, skb ); + pc->st->l3.l3l2(pc->st, DL_DATA | REQUEST, skb); } -static void l3ni1_spid_send( struct l3_process *pc, u_char pr, void *arg ) +static void l3ni1_spid_send(struct l3_process *pc, u_char pr, void *arg) { - l3ni1_SendSpid( pc, pr, arg, 20 ); + l3ni1_SendSpid(pc, pr, arg, 20); } -static void l3ni1_spid_epid( struct l3_process *pc, u_char pr, void *arg ) +static void l3ni1_spid_epid(struct l3_process *pc, u_char pr, void *arg) { struct sk_buff *skb = arg; - if ( skb->data[ 1 ] == 0 ) - if ( skb->data[ 3 ] == IE_ENDPOINT_ID ) + if (skb->data[1] == 0) + if (skb->data[3] == IE_ENDPOINT_ID) { - L3DelTimer( &pc->timer ); - newl3state( pc, 0 ); - l3_msg( pc->st, DL_ESTABLISH | CONFIRM, NULL ); + L3DelTimer(&pc->timer); + newl3state(pc, 0); + l3_msg(pc->st, DL_ESTABLISH | CONFIRM, NULL); } - dev_kfree_skb( skb); + dev_kfree_skb(skb); } -static void l3ni1_spid_tout( struct l3_process *pc, u_char pr, void *arg ) +static void l3ni1_spid_tout(struct l3_process *pc, u_char pr, void *arg) { - if ( pc->state < 22 ) - l3ni1_SendSpid( pc, pr, arg, pc->state+1 ); + if (pc->state < 22) + l3ni1_SendSpid(pc, pr, arg, pc->state + 1); else { - L3DelTimer( &pc->timer ); - dev_kfree_skb( arg); + L3DelTimer(&pc->timer); + dev_kfree_skb(arg); - printk( KERN_ERR "SPID not accepted\n" ); - newl3state( pc, 0 ); - pc->st->l3.l3l2( pc->st, DL_RELEASE | REQUEST, NULL ); + printk(KERN_ERR "SPID not accepted\n"); + newl3state(pc, 0); + pc->st->l3.l3l2(pc->st, DL_RELEASE | REQUEST, NULL); } } @@ -2724,12 +2724,12 @@ static struct stateentry downstatelist[] = CC_SETUP | RESPONSE, l3ni1_setup_rsp}, {SBIT(10), CC_SUSPEND | REQUEST, l3ni1_suspend_req}, - {SBIT(7) | SBIT(9) | SBIT(25), - CC_REDIR | REQUEST, l3ni1_redir_req}, - {SBIT(6), - CC_REDIR | REQUEST, l3ni1_redir_req_early}, - {SBIT(9) | SBIT(25), - CC_DISCONNECT | REQUEST, l3ni1_disconnect_req}, + {SBIT(7) | SBIT(9) | SBIT(25), + CC_REDIR | REQUEST, l3ni1_redir_req}, + {SBIT(6), + CC_REDIR | REQUEST, l3ni1_redir_req_early}, + {SBIT(9) | SBIT(25), + CC_DISCONNECT | REQUEST, l3ni1_disconnect_req}, {SBIT(25), CC_T302, l3ni1_t302}, {SBIT(1), @@ -2752,8 +2752,8 @@ static struct stateentry downstatelist[] = CC_T308_2, l3ni1_t308_2}, {SBIT(10), CC_T309, l3ni1_dl_release}, - { SBIT( 20 ) | SBIT( 21 ) | SBIT( 22 ), - CC_TSPID, l3ni1_spid_tout }, + { SBIT(20) | SBIT(21) | SBIT(22), + CC_TSPID, l3ni1_spid_tout }, }; static struct stateentry datastatelist[] = @@ -2815,22 +2815,22 @@ static struct stateentry globalmes_list[] = {SBIT(0), MT_RESTART, l3ni1_global_restart}, /* {SBIT(1), - MT_RESTART_ACKNOWLEDGE, l3ni1_restart_ack}, + MT_RESTART_ACKNOWLEDGE, l3ni1_restart_ack}, */ - { SBIT( 0 ), MT_DL_ESTABLISHED, l3ni1_spid_send }, - { SBIT( 20 ) | SBIT( 21 ) | SBIT( 22 ), MT_INFORMATION, l3ni1_spid_epid }, + { SBIT(0), MT_DL_ESTABLISHED, l3ni1_spid_send }, + { SBIT(20) | SBIT(21) | SBIT(22), MT_INFORMATION, l3ni1_spid_epid }, }; static struct stateentry manstatelist[] = { - {SBIT(2), - DL_ESTABLISH | INDICATION, l3ni1_dl_reset}, - {SBIT(10), - DL_ESTABLISH | CONFIRM, l3ni1_dl_reest_status}, - {SBIT(10), - DL_RELEASE | INDICATION, l3ni1_dl_reestablish}, - {ALL_STATES, - DL_RELEASE | INDICATION, l3ni1_dl_release}, + {SBIT(2), + DL_ESTABLISH | INDICATION, l3ni1_dl_reset}, + {SBIT(10), + DL_ESTABLISH | CONFIRM, l3ni1_dl_reest_status}, + {SBIT(10), + DL_RELEASE | INDICATION, l3ni1_dl_reestablish}, + {ALL_STATES, + DL_RELEASE | INDICATION, l3ni1_dl_release}, }; /* *INDENT-ON* */ @@ -2845,7 +2845,7 @@ global_handler(struct PStack *st, int mt, struct sk_buff *skb) int i; struct l3_process *proc = st->l3.global; - if ( skb ) + if (skb) proc->callref = skb->data[2]; /* cr flag */ else proc->callref = 0; @@ -2856,13 +2856,13 @@ global_handler(struct PStack *st, int mt, struct sk_buff *skb) if (i == ARRAY_SIZE(globalmes_list)) { if (st->l3.debug & L3_DEB_STATE) { l3_debug(st, "ni1 global state %d mt %x unhandled", - proc->state, mt); + proc->state, mt); } MsgHead(p, proc->callref, MT_STATUS); *p++ = IE_CAUSE; *p++ = 0x2; *p++ = 0x80; - *p++ = 81 |0x80; /* invalid cr */ + *p++ = 81 | 0x80; /* invalid cr */ *p++ = 0x14; /* CallState */ *p++ = 0x1; *p++ = proc->state & 0x3f; @@ -2874,7 +2874,7 @@ global_handler(struct PStack *st, int mt, struct sk_buff *skb) } else { if (st->l3.debug & L3_DEB_STATE) { l3_debug(st, "ni1 global %d mt %x", - proc->state, mt); + proc->state, mt); } globalmes_list[i].rout(proc, mt, skb); } @@ -2890,23 +2890,23 @@ ni1up(struct PStack *st, int pr, void *arg) struct l3_process *proc; switch (pr) { - case (DL_DATA | INDICATION): - case (DL_UNIT_DATA | INDICATION): - break; - case (DL_ESTABLISH | INDICATION): - case (DL_RELEASE | INDICATION): - case (DL_RELEASE | CONFIRM): - l3_msg(st, pr, arg); - return; - break; + case (DL_DATA | INDICATION): + case (DL_UNIT_DATA | INDICATION): + break; + case (DL_ESTABLISH | INDICATION): + case (DL_RELEASE | INDICATION): + case (DL_RELEASE | CONFIRM): + l3_msg(st, pr, arg); + return; + break; - case (DL_ESTABLISH | CONFIRM): - global_handler( st, MT_DL_ESTABLISHED, NULL ); - return; + case (DL_ESTABLISH | CONFIRM): + global_handler(st, MT_DL_ESTABLISHED, NULL); + return; - default: - printk(KERN_ERR "HiSax ni1up unknown pr=%04x\n", pr); - return; + default: + printk(KERN_ERR "HiSax ni1up unknown pr=%04x\n", pr); + return; } if (skb->len < 3) { l3_debug(st, "ni1up frame too short(%d)", skb->len); @@ -2941,10 +2941,10 @@ ni1up(struct PStack *st, int pr, void *arg) if (mt == MT_FACILITY) { if ((p = findie(skb->data, skb->len, IE_FACILITY, 0))) { - l3ni1_parse_facility(st, NULL, - (pr == (DL_DATA | INDICATION)) ? -1 : -2, p); + l3ni1_parse_facility(st, NULL, + (pr == (DL_DATA | INDICATION)) ? -1 : -2, p); dev_kfree_skb(skb); - return; + return; } } else @@ -2952,13 +2952,13 @@ ni1up(struct PStack *st, int pr, void *arg) global_handler(st, mt, skb); return; } - + if (st->l3.debug & L3_DEB_WARN) l3_debug(st, "ni1up dummy Callref (no facility msg or ie)"); dev_kfree_skb(skb); return; - } else if ((((skb->data[1] & 0x0f) == 1) && (0==(cr & 0x7f))) || - (((skb->data[1] & 0x0f) == 2) && (0==(cr & 0x7fff)))) { /* Global CallRef */ + } else if ((((skb->data[1] & 0x0f) == 1) && (0 == (cr & 0x7f))) || + (((skb->data[1] & 0x0f) == 2) && (0 == (cr & 0x7fff)))) { /* Global CallRef */ if (st->l3.debug & L3_DEB_STATE) l3_debug(st, "ni1up Global CallRef"); global_handler(st, mt, skb); @@ -3036,8 +3036,8 @@ ni1up(struct PStack *st, int pr, void *arg) dev_kfree_skb(skb); return; } - if ((p = findie(skb->data, skb->len, IE_DISPLAY, 0)) != NULL) - l3ni1_deliver_display(proc, pr, p); /* Display IE included */ + if ((p = findie(skb->data, skb->len, IE_DISPLAY, 0)) != NULL) + l3ni1_deliver_display(proc, pr, p); /* Display IE included */ for (i = 0; i < ARRAY_SIZE(datastatelist); i++) if ((mt == datastatelist[i].primitive) && ((1 << proc->state) & datastatelist[i].state)) @@ -3045,8 +3045,8 @@ ni1up(struct PStack *st, int pr, void *arg) if (i == ARRAY_SIZE(datastatelist)) { if (st->l3.debug & L3_DEB_STATE) { l3_debug(st, "ni1up%sstate %d mt %#x unhandled", - (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", - proc->state, mt); + (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", + proc->state, mt); } if ((MT_RELEASE_COMPLETE != mt) && (MT_RELEASE != mt)) { proc->para.cause = 101; @@ -3055,8 +3055,8 @@ ni1up(struct PStack *st, int pr, void *arg) } else { if (st->l3.debug & L3_DEB_STATE) { l3_debug(st, "ni1up%sstate %d mt %x", - (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", - proc->state, mt); + (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", + proc->state, mt); } datastatelist[i].rout(proc, pr, skb); } @@ -3092,10 +3092,10 @@ ni1down(struct PStack *st, int pr, void *arg) return; } - if ( pr == (CC_TNI1_IO | REQUEST)) { - l3ni1_io_timer(proc); /* timer expires */ + if (pr == (CC_TNI1_IO | REQUEST)) { + l3ni1_io_timer(proc); /* timer expires */ return; - } + } for (i = 0; i < ARRAY_SIZE(downstatelist); i++) if ((pr == downstatelist[i].primitive) && @@ -3104,12 +3104,12 @@ ni1down(struct PStack *st, int pr, void *arg) if (i == ARRAY_SIZE(downstatelist)) { if (st->l3.debug & L3_DEB_STATE) { l3_debug(st, "ni1down state %d prim %#x unhandled", - proc->state, pr); + proc->state, pr); } } else { if (st->l3.debug & L3_DEB_STATE) { l3_debug(st, "ni1down state %d prim %#x", - proc->state, pr); + proc->state, pr); } downstatelist[i].rout(proc, pr, arg); } @@ -3118,31 +3118,31 @@ ni1down(struct PStack *st, int pr, void *arg) static void ni1man(struct PStack *st, int pr, void *arg) { - int i; - struct l3_process *proc = arg; - - if (!proc) { - printk(KERN_ERR "HiSax ni1man 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 ni1man state %d prim %#x unhandled", - proc->callref & 0x7f, proc->state, pr); - } - } else { - if (st->l3.debug & L3_DEB_STATE) { - l3_debug(st, "cr %d ni1man state %d prim %#x", - proc->callref & 0x7f, proc->state, pr); - } - manstatelist[i].rout(proc, pr, arg); - } -} - + int i; + struct l3_process *proc = arg; + + if (!proc) { + printk(KERN_ERR "HiSax ni1man 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 ni1man state %d prim %#x unhandled", + proc->callref & 0x7f, proc->state, pr); + } + } else { + if (st->l3.debug & L3_DEB_STATE) { + l3_debug(st, "cr %d ni1man state %d prim %#x", + proc->callref & 0x7f, proc->state, pr); + } + manstatelist[i].rout(proc, pr, arg); + } +} + void setstack_ni1(struct PStack *st) { @@ -3157,8 +3157,8 @@ setstack_ni1(struct PStack *st) st->prot.ni1.last_invoke_id = 0; st->prot.ni1.invoke_used[0] = 1; /* Bit 0 must always be set to 1 */ i = 1; - while (i < 32) - st->prot.ni1.invoke_used[i++] = 0; + while (i < 32) + st->prot.ni1.invoke_used[i++] = 0; if (!(st->l3.global = kmalloc(sizeof(struct l3_process), GFP_ATOMIC))) { printk(KERN_ERR "HiSax can't get memory for ni1 global CR\n"); @@ -3169,7 +3169,7 @@ setstack_ni1(struct PStack *st) st->l3.global->debug = L3_DEB_WARN; st->l3.global->st = st; st->l3.global->N303 = 1; - st->l3.global->prot.ni1.invoke_id = 0; + st->l3.global->prot.ni1.invoke_id = 0; L3InitTimer(st->l3.global, &st->l3.global->timer); } |