diff options
Diffstat (limited to 'drivers/isdn/pcbit/edss1.c')
| -rw-r--r-- | drivers/isdn/pcbit/edss1.c | 414 |
1 files changed, 205 insertions, 209 deletions
diff --git a/drivers/isdn/pcbit/edss1.c b/drivers/isdn/pcbit/edss1.c index 80c9c16fd5ef..b2262ba6f0c9 100644 --- a/drivers/isdn/pcbit/edss1.c +++ b/drivers/isdn/pcbit/edss1.c @@ -3,10 +3,10 @@ * base: ITU-T Rec Q.931 * * Copyright (C) 1996 Universidade de Lisboa - * + * * Written by Pedro Roque Marques (roque@di.fc.ul.pt) * - * This software may be used and distributed according to the terms of + * This software may be used and distributed according to the terms of * the GNU General Public License, incorporated herein by reference. */ @@ -34,145 +34,145 @@ const char * const isdn_state_table[] = { - "Closed", - "Call initiated", - "Overlap sending", - "Outgoing call proceeding", - "NOT DEFINED", - "Call delivered", - "Call present", - "Call received", - "Connect request", - "Incoming call proceeding", - "Active", - "Disconnect request", - "Disconnect indication", - "NOT DEFINED", - "NOT DEFINED", - "Suspend request", - "NOT DEFINED", - "Resume request", - "NOT DEFINED", - "Release Request", - "NOT DEFINED", - "NOT DEFINED", - "NOT DEFINED", - "NOT DEFINED", - "NOT DEFINED", - "Overlap receiving", - "Select protocol on B-Channel", - "Activate B-channel protocol" + "Closed", + "Call initiated", + "Overlap sending", + "Outgoing call proceeding", + "NOT DEFINED", + "Call delivered", + "Call present", + "Call received", + "Connect request", + "Incoming call proceeding", + "Active", + "Disconnect request", + "Disconnect indication", + "NOT DEFINED", + "NOT DEFINED", + "Suspend request", + "NOT DEFINED", + "Resume request", + "NOT DEFINED", + "Release Request", + "NOT DEFINED", + "NOT DEFINED", + "NOT DEFINED", + "NOT DEFINED", + "NOT DEFINED", + "Overlap receiving", + "Select protocol on B-Channel", + "Activate B-channel protocol" }; #ifdef DEBUG_ERRS static struct CauseValue { - byte nr; - char *descr; -} cvlist[]={ - {0x01,"Unallocated (unassigned) number"}, - {0x02,"No route to specified transit network"}, - {0x03,"No route to destination"}, - {0x04,"Send special information tone"}, - {0x05,"Misdialled trunk prefix"}, - {0x06,"Channel unacceptable"}, - {0x07,"Channel awarded and being delivered in an established channel"}, - {0x08,"Preemption"}, - {0x09,"Preemption - circuit reserved for reuse"}, - {0x10,"Normal call clearing"}, - {0x11,"User busy"}, - {0x12,"No user responding"}, - {0x13,"No answer from user (user alerted)"}, - {0x14,"Subscriber absent"}, - {0x15,"Call rejected"}, - {0x16,"Number changed"}, - {0x1a,"non-selected user clearing"}, - {0x1b,"Destination out of order"}, - {0x1c,"Invalid number format (address incomplete)"}, - {0x1d,"Facility rejected"}, - {0x1e,"Response to Status enquiry"}, - {0x1f,"Normal, unspecified"}, - {0x22,"No circuit/channel available"}, - {0x26,"Network out of order"}, - {0x27,"Permanent frame mode connection out-of-service"}, - {0x28,"Permanent frame mode connection operational"}, - {0x29,"Temporary failure"}, - {0x2a,"Switching equipment congestion"}, - {0x2b,"Access information discarded"}, - {0x2c,"Requested circuit/channel not available"}, - {0x2e,"Precedence call blocked"}, - {0x2f,"Resource unavailable, unspecified"}, - {0x31,"Quality of service unavailable"}, - {0x32,"Requested facility not subscribed"}, - {0x35,"Outgoing calls barred within CUG"}, - {0x37,"Incoming calls barred within CUG"}, - {0x39,"Bearer capability not authorized"}, - {0x3a,"Bearer capability not presently available"}, - {0x3e,"Inconsistency in designated outgoing access information and subscriber class"}, - {0x3f,"Service or option not available, unspecified"}, - {0x41,"Bearer capability not implemented"}, - {0x42,"Channel type not implemented"}, - {0x43,"Requested facility not implemented"}, - {0x44,"Only restricted digital information bearer capability is available"}, - {0x4f,"Service or option not implemented"}, - {0x51,"Invalid call reference value"}, - {0x52,"Identified channel does not exist"}, - {0x53,"A suspended call exists, but this call identity does not"}, - {0x54,"Call identity in use"}, - {0x55,"No call suspended"}, - {0x56,"Call having the requested call identity has been cleared"}, - {0x57,"User not member of CUG"}, - {0x58,"Incompatible destination"}, - {0x5a,"Non-existent CUG"}, - {0x5b,"Invalid transit network selection"}, - {0x5f,"Invalid message, unspecified"}, - {0x60,"Mandatory information element is missing"}, - {0x61,"Message type non-existent or not implemented"}, - {0x62,"Message not compatible with call state or message type non-existent or not implemented"}, - {0x63,"Information element/parameter non-existent or not implemented"}, - {0x64,"Invalid information element contents"}, - {0x65,"Message not compatible with call state"}, - {0x66,"Recovery on timer expiry"}, - {0x67,"Parameter non-existent or not implemented - passed on"}, - {0x6e,"Message with unrecognized parameter discarded"}, - {0x6f,"Protocol error, unspecified"}, - {0x7f,"Interworking, unspecified"} + byte nr; + char *descr; +} cvlist[] = { + {0x01, "Unallocated (unassigned) number"}, + {0x02, "No route to specified transit network"}, + {0x03, "No route to destination"}, + {0x04, "Send special information tone"}, + {0x05, "Misdialled trunk prefix"}, + {0x06, "Channel unacceptable"}, + {0x07, "Channel awarded and being delivered in an established channel"}, + {0x08, "Preemption"}, + {0x09, "Preemption - circuit reserved for reuse"}, + {0x10, "Normal call clearing"}, + {0x11, "User busy"}, + {0x12, "No user responding"}, + {0x13, "No answer from user (user alerted)"}, + {0x14, "Subscriber absent"}, + {0x15, "Call rejected"}, + {0x16, "Number changed"}, + {0x1a, "non-selected user clearing"}, + {0x1b, "Destination out of order"}, + {0x1c, "Invalid number format (address incomplete)"}, + {0x1d, "Facility rejected"}, + {0x1e, "Response to Status enquiry"}, + {0x1f, "Normal, unspecified"}, + {0x22, "No circuit/channel available"}, + {0x26, "Network out of order"}, + {0x27, "Permanent frame mode connection out-of-service"}, + {0x28, "Permanent frame mode connection operational"}, + {0x29, "Temporary failure"}, + {0x2a, "Switching equipment congestion"}, + {0x2b, "Access information discarded"}, + {0x2c, "Requested circuit/channel not available"}, + {0x2e, "Precedence call blocked"}, + {0x2f, "Resource unavailable, unspecified"}, + {0x31, "Quality of service unavailable"}, + {0x32, "Requested facility not subscribed"}, + {0x35, "Outgoing calls barred within CUG"}, + {0x37, "Incoming calls barred within CUG"}, + {0x39, "Bearer capability not authorized"}, + {0x3a, "Bearer capability not presently available"}, + {0x3e, "Inconsistency in designated outgoing access information and subscriber class"}, + {0x3f, "Service or option not available, unspecified"}, + {0x41, "Bearer capability not implemented"}, + {0x42, "Channel type not implemented"}, + {0x43, "Requested facility not implemented"}, + {0x44, "Only restricted digital information bearer capability is available"}, + {0x4f, "Service or option not implemented"}, + {0x51, "Invalid call reference value"}, + {0x52, "Identified channel does not exist"}, + {0x53, "A suspended call exists, but this call identity does not"}, + {0x54, "Call identity in use"}, + {0x55, "No call suspended"}, + {0x56, "Call having the requested call identity has been cleared"}, + {0x57, "User not member of CUG"}, + {0x58, "Incompatible destination"}, + {0x5a, "Non-existent CUG"}, + {0x5b, "Invalid transit network selection"}, + {0x5f, "Invalid message, unspecified"}, + {0x60, "Mandatory information element is missing"}, + {0x61, "Message type non-existent or not implemented"}, + {0x62, "Message not compatible with call state or message type non-existent or not implemented"}, + {0x63, "Information element/parameter non-existent or not implemented"}, + {0x64, "Invalid information element contents"}, + {0x65, "Message not compatible with call state"}, + {0x66, "Recovery on timer expiry"}, + {0x67, "Parameter non-existent or not implemented - passed on"}, + {0x6e, "Message with unrecognized parameter discarded"}, + {0x6f, "Protocol error, unspecified"}, + {0x7f, "Interworking, unspecified"} }; #endif static struct isdn_event_desc { - unsigned short ev; - char * desc; -} isdn_event_table [] = { - {EV_USR_SETUP_REQ, "CC->L3: Setup Request"}, - {EV_USR_SETUP_RESP, "CC->L3: Setup Response"}, - {EV_USR_PROCED_REQ, "CC->L3: Proceeding Request"}, - {EV_USR_RELEASE_REQ, "CC->L3: Release Request"}, - - {EV_NET_SETUP, "NET->TE: setup "}, - {EV_NET_CALL_PROC, "NET->TE: call proceeding"}, - {EV_NET_SETUP_ACK, "NET->TE: setup acknowledge (more info needed)"}, - {EV_NET_CONN, "NET->TE: connect"}, - {EV_NET_CONN_ACK, "NET->TE: connect acknowledge"}, - {EV_NET_DISC, "NET->TE: disconnect indication"}, - {EV_NET_RELEASE, "NET->TE: release"}, - {EV_NET_RELEASE_COMP, "NET->TE: release complete"}, - {EV_NET_SELP_RESP, "Board: Select B-channel protocol ack"}, - {EV_NET_ACTV_RESP, "Board: Activate B-channel protocol ack"}, - {EV_TIMER, "Timeout"}, - {0, "NULL"} + unsigned short ev; + char *desc; +} isdn_event_table[] = { + {EV_USR_SETUP_REQ, "CC->L3: Setup Request"}, + {EV_USR_SETUP_RESP, "CC->L3: Setup Response"}, + {EV_USR_PROCED_REQ, "CC->L3: Proceeding Request"}, + {EV_USR_RELEASE_REQ, "CC->L3: Release Request"}, + + {EV_NET_SETUP, "NET->TE: setup "}, + {EV_NET_CALL_PROC, "NET->TE: call proceeding"}, + {EV_NET_SETUP_ACK, "NET->TE: setup acknowledge (more info needed)"}, + {EV_NET_CONN, "NET->TE: connect"}, + {EV_NET_CONN_ACK, "NET->TE: connect acknowledge"}, + {EV_NET_DISC, "NET->TE: disconnect indication"}, + {EV_NET_RELEASE, "NET->TE: release"}, + {EV_NET_RELEASE_COMP, "NET->TE: release complete"}, + {EV_NET_SELP_RESP, "Board: Select B-channel protocol ack"}, + {EV_NET_ACTV_RESP, "Board: Activate B-channel protocol ack"}, + {EV_TIMER, "Timeout"}, + {0, "NULL"} }; -char * strisdnevent(ushort ev) +char *strisdnevent(ushort ev) { - struct isdn_event_desc * entry; - - for (entry = isdn_event_table; entry->ev; entry++) - if (entry->ev == ev) - break; + struct isdn_event_desc *entry; + + for (entry = isdn_event_table; entry->ev; entry++) + if (entry->ev == ev) + break; - return entry->desc; + return entry->desc; } /* @@ -180,130 +180,130 @@ char * strisdnevent(ushort ev) */ static struct fsm_timer_entry fsm_timers[] = { - {ST_CALL_PROC, 10}, - {ST_DISC_REQ, 2}, - {ST_ACTIVE_SELP, 5}, - {ST_ACTIVE_ACTV, 5}, - {ST_INCM_PROC, 10}, - {ST_CONN_REQ, 2}, - {0xff, 0} + {ST_CALL_PROC, 10}, + {ST_DISC_REQ, 2}, + {ST_ACTIVE_SELP, 5}, + {ST_ACTIVE_ACTV, 5}, + {ST_INCM_PROC, 10}, + {ST_CONN_REQ, 2}, + {0xff, 0} }; static struct fsm_entry fsm_table[] = { /* Connect Phase */ - /* Outgoing */ - {ST_NULL, ST_CALL_INIT, EV_USR_SETUP_REQ, cb_out_1}, + /* Outgoing */ + {ST_NULL, ST_CALL_INIT, EV_USR_SETUP_REQ, cb_out_1}, - {ST_CALL_INIT, ST_OVER_SEND, EV_NET_SETUP_ACK, cb_notdone}, - {ST_CALL_INIT, ST_CALL_PROC, EV_NET_CALL_PROC, NULL}, - {ST_CALL_INIT, ST_NULL, EV_NET_DISC, cb_out_2}, + {ST_CALL_INIT, ST_OVER_SEND, EV_NET_SETUP_ACK, cb_notdone}, + {ST_CALL_INIT, ST_CALL_PROC, EV_NET_CALL_PROC, NULL}, + {ST_CALL_INIT, ST_NULL, EV_NET_DISC, cb_out_2}, - {ST_CALL_PROC, ST_ACTIVE_SELP, EV_NET_CONN, cb_out_2}, - {ST_CALL_PROC, ST_NULL, EV_NET_DISC, cb_disc_1}, - {ST_CALL_PROC, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, + {ST_CALL_PROC, ST_ACTIVE_SELP, EV_NET_CONN, cb_out_2}, + {ST_CALL_PROC, ST_NULL, EV_NET_DISC, cb_disc_1}, + {ST_CALL_PROC, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, - /* Incoming */ - {ST_NULL, ST_CALL_PRES, EV_NET_SETUP, NULL}, + /* Incoming */ + {ST_NULL, ST_CALL_PRES, EV_NET_SETUP, NULL}, - {ST_CALL_PRES, ST_INCM_PROC, EV_USR_PROCED_REQ, cb_in_1}, - {ST_CALL_PRES, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, + {ST_CALL_PRES, ST_INCM_PROC, EV_USR_PROCED_REQ, cb_in_1}, + {ST_CALL_PRES, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, - {ST_INCM_PROC, ST_CONN_REQ, EV_USR_SETUP_RESP, cb_in_2}, - {ST_INCM_PROC, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, + {ST_INCM_PROC, ST_CONN_REQ, EV_USR_SETUP_RESP, cb_in_2}, + {ST_INCM_PROC, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, - {ST_CONN_REQ, ST_ACTIVE_SELP, EV_NET_CONN_ACK, cb_in_3}, + {ST_CONN_REQ, ST_ACTIVE_SELP, EV_NET_CONN_ACK, cb_in_3}, - /* Active */ - {ST_ACTIVE, ST_NULL, EV_NET_DISC, cb_disc_1}, - {ST_ACTIVE, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, - {ST_ACTIVE, ST_NULL, EV_NET_RELEASE, cb_disc_3}, + /* Active */ + {ST_ACTIVE, ST_NULL, EV_NET_DISC, cb_disc_1}, + {ST_ACTIVE, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, + {ST_ACTIVE, ST_NULL, EV_NET_RELEASE, cb_disc_3}, - /* Disconnect */ + /* Disconnect */ - {ST_DISC_REQ, ST_NULL, EV_NET_DISC, cb_disc_1}, - {ST_DISC_REQ, ST_NULL, EV_NET_RELEASE, cb_disc_3}, + {ST_DISC_REQ, ST_NULL, EV_NET_DISC, cb_disc_1}, + {ST_DISC_REQ, ST_NULL, EV_NET_RELEASE, cb_disc_3}, - /* protocol selection */ - {ST_ACTIVE_SELP, ST_ACTIVE_ACTV, EV_NET_SELP_RESP, cb_selp_1}, - {ST_ACTIVE_SELP, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, + /* protocol selection */ + {ST_ACTIVE_SELP, ST_ACTIVE_ACTV, EV_NET_SELP_RESP, cb_selp_1}, + {ST_ACTIVE_SELP, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, - {ST_ACTIVE_ACTV, ST_ACTIVE, EV_NET_ACTV_RESP, cb_open}, - {ST_ACTIVE_ACTV, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, + {ST_ACTIVE_ACTV, ST_ACTIVE, EV_NET_ACTV_RESP, cb_open}, + {ST_ACTIVE_ACTV, ST_DISC_REQ, EV_USR_RELEASE_REQ, cb_disc_2}, - /* Timers */ - {ST_CALL_PROC, ST_DISC_REQ, EV_TIMER, cb_disc_2}, - {ST_DISC_REQ, ST_NULL, EV_TIMER, cb_disc_3}, - {ST_ACTIVE_SELP, ST_DISC_REQ, EV_TIMER, cb_disc_2}, - {ST_ACTIVE_ACTV, ST_DISC_REQ, EV_TIMER, cb_disc_2}, - {ST_INCM_PROC, ST_DISC_REQ, EV_TIMER, cb_disc_2}, - {ST_CONN_REQ, ST_CONN_REQ, EV_TIMER, cb_in_2}, - - {0xff, 0, 0, NULL} + /* Timers */ + {ST_CALL_PROC, ST_DISC_REQ, EV_TIMER, cb_disc_2}, + {ST_DISC_REQ, ST_NULL, EV_TIMER, cb_disc_3}, + {ST_ACTIVE_SELP, ST_DISC_REQ, EV_TIMER, cb_disc_2}, + {ST_ACTIVE_ACTV, ST_DISC_REQ, EV_TIMER, cb_disc_2}, + {ST_INCM_PROC, ST_DISC_REQ, EV_TIMER, cb_disc_2}, + {ST_CONN_REQ, ST_CONN_REQ, EV_TIMER, cb_in_2}, + + {0xff, 0, 0, NULL} }; static void pcbit_fsm_timer(unsigned long data) { - struct pcbit_dev *dev; - struct pcbit_chan *chan; + struct pcbit_dev *dev; + struct pcbit_chan *chan; - chan = (struct pcbit_chan *) data; + chan = (struct pcbit_chan *) data; - del_timer(&chan->fsm_timer); - chan->fsm_timer.function = NULL; + del_timer(&chan->fsm_timer); + chan->fsm_timer.function = NULL; - dev = chan2dev(chan); + dev = chan2dev(chan); - if (dev == NULL) { - printk(KERN_WARNING "pcbit: timer for unknown device\n"); - return; - } + if (dev == NULL) { + printk(KERN_WARNING "pcbit: timer for unknown device\n"); + return; + } - pcbit_fsm_event(dev, chan, EV_TIMER, NULL); + pcbit_fsm_event(dev, chan, EV_TIMER, NULL); } void pcbit_fsm_event(struct pcbit_dev *dev, struct pcbit_chan *chan, - unsigned short event, struct callb_data *data) + unsigned short event, struct callb_data *data) { - struct fsm_entry * action; + struct fsm_entry *action; struct fsm_timer_entry *tentry; unsigned long flags; spin_lock_irqsave(&dev->lock, flags); - for (action = fsm_table; action->init != 0xff; action++) - if (action->init == chan->fsm_state && action->event == event) - break; - + for (action = fsm_table; action->init != 0xff; action++) + if (action->init == chan->fsm_state && action->event == event) + break; + if (action->init == 0xff) { - + spin_unlock_irqrestore(&dev->lock, flags); - printk(KERN_DEBUG "fsm error: event %x on state %x\n", - event, chan->fsm_state); + printk(KERN_DEBUG "fsm error: event %x on state %x\n", + event, chan->fsm_state); return; } - if (chan->fsm_timer.function) { - del_timer(&chan->fsm_timer); - chan->fsm_timer.function = NULL; - } + if (chan->fsm_timer.function) { + del_timer(&chan->fsm_timer); + chan->fsm_timer.function = NULL; + } chan->fsm_state = action->final; - + pcbit_state_change(dev, chan, action->init, event, action->final); - for (tentry = fsm_timers; tentry->init != 0xff; tentry++) - if (tentry->init == chan->fsm_state) - break; + for (tentry = fsm_timers; tentry->init != 0xff; tentry++) + if (tentry->init == chan->fsm_state) + break; - if (tentry->init != 0xff) { - init_timer(&chan->fsm_timer); - chan->fsm_timer.function = &pcbit_fsm_timer; - chan->fsm_timer.data = (ulong) chan; - chan->fsm_timer.expires = jiffies + tentry->timeout * HZ; - add_timer(&chan->fsm_timer); - } + if (tentry->init != 0xff) { + init_timer(&chan->fsm_timer); + chan->fsm_timer.function = &pcbit_fsm_timer; + chan->fsm_timer.data = (ulong) chan; + chan->fsm_timer.expires = jiffies + tentry->timeout * HZ; + add_timer(&chan->fsm_timer); + } spin_unlock_irqrestore(&dev->lock, flags); @@ -311,7 +311,3 @@ void pcbit_fsm_event(struct pcbit_dev *dev, struct pcbit_chan *chan, action->callb(dev, chan, data); } - - - - |