patch-2.1.42 linux/drivers/isdn/avmb1/capidrv.c
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- Lines: 1765
- Date:
Wed May 28 10:49:09 1997
- Orig file:
v2.1.41/linux/drivers/isdn/avmb1/capidrv.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.1.41/linux/drivers/isdn/avmb1/capidrv.c linux/drivers/isdn/avmb1/capidrv.c
@@ -0,0 +1,1764 @@
+/*
+ * $Id: capidrv.c,v 1.3 1997/05/18 09:24:15 calle Exp $
+ *
+ * ISDN4Linux Driver, using capi20 interface (kernelcapi)
+ *
+ * Copyright 1997 by Carsten Paeth (calle@calle.in-berlin.de)
+ *
+ * $Log: capidrv.c,v $
+ * Revision 1.3 1997/05/18 09:24:15 calle
+ * added verbose disconnect reason reporting to avmb1.
+ * some fixes in capi20 interface.
+ * changed info messages for B1-PCI
+ *
+ * Revision 1.2 1997/03/05 21:19:59 fritz
+ * Removed include of config.h (mkdep stated this is unneded).
+ *
+ * Revision 1.1 1997/03/04 21:50:31 calle
+ * Frirst version in isdn4linux
+ *
+ * Revision 2.2 1997/02/12 09:31:39 calle
+ * new version
+ *
+ * Revision 1.1 1997/01/31 10:32:20 calle
+ * Initial revision
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/sched.h>
+#include <linux/malloc.h>
+#include <linux/fcntl.h>
+#include <linux/fs.h>
+#include <linux/signal.h>
+#include <linux/mm.h>
+#include <linux/timer.h>
+#include <linux/wait.h>
+#include <linux/skbuff.h>
+#include <linux/isdn.h>
+#include <linux/isdnif.h>
+#include <linux/capi.h>
+#include <linux/kernelcapi.h>
+
+#include "compat.h"
+#include "capiutil.h"
+#include "capicmd.h"
+#include "capidrv.h"
+
+static char *revision = "$Revision: 1.3 $";
+int debugmode = 0;
+
+#ifdef HAS_NEW_SYMTAB
+MODULE_AUTHOR("Carsten Paeth <calle@calle.in-berlin.de>");
+MODULE_PARM(debugmode, "i");
+#endif
+
+/* -------- type definitions ----------------------------------------- */
+
+
+struct capidrv_contr {
+
+ struct capidrv_contr *next;
+
+ __u32 contrnr;
+ char name[20];
+
+ /*
+ * for isdn4linux
+ */
+ isdn_if interface;
+ int myid;
+
+ /*
+ * LISTEN state
+ */
+ int state;
+ __u32 cipmask;
+ __u32 cipmask2;
+
+ /*
+ * ID of capi message sent
+ */
+ __u16 msgid;
+
+ /*
+ * B-Channels
+ */
+ int nbchan;
+ struct capidrv_bchan {
+ struct capidrv_contr *contr;
+ __u8 msn[ISDN_MSNLEN];
+ int l2;
+ int l3;
+ __u8 num[ISDN_MSNLEN];
+ __u8 mynum[ISDN_MSNLEN];
+ int si1;
+ int si2;
+ int incoming;
+ int disconnecting;
+ struct capidrv_plci {
+ struct capidrv_plci *next;
+ __u32 plci;
+ __u32 ncci; /* ncci for CONNECT_ACTIVE_IND */
+ __u16 msgid; /* to identfy CONNECT_CONF */
+ int chan;
+ int state;
+ struct capidrv_ncci {
+ struct capidrv_ncci *next;
+ struct capidrv_plci *plcip;
+ __u32 ncci;
+ __u16 msgid; /* to identfy CONNECT_B3_CONF */
+ int chan;
+ int state;
+ int oldstate;
+ /* */
+ __u16 datahandle;
+ } *ncci_list;
+ } *plcip;
+ struct capidrv_ncci *nccip;
+ } *bchans;
+
+ struct capidrv_plci *plci_list;
+};
+
+struct capidrv_data {
+ __u16 appid;
+ int ncontr;
+ struct capidrv_contr *contr_list;
+};
+
+typedef struct capidrv_plci capidrv_plci;
+typedef struct capidrv_ncci capidrv_ncci;
+typedef struct capidrv_contr capidrv_contr;
+typedef struct capidrv_data capidrv_data;
+typedef struct capidrv_bchan capidrv_bchan;
+
+/* -------- data definitions ----------------------------------------- */
+
+static capidrv_data global;
+static struct capi_interface *capifuncs;
+
+/* -------- convert functions ---------------------------------------- */
+
+static inline __u32 b1prot(int l2, int l3)
+{
+ switch (l2) {
+ case ISDN_PROTO_L2_X75I:
+ case ISDN_PROTO_L2_X75UI:
+ case ISDN_PROTO_L2_X75BUI:
+ return 0;
+ case ISDN_PROTO_L2_HDLC:
+ default:
+ return 0;
+ case ISDN_PROTO_L2_TRANS:
+ return 1;
+ }
+}
+
+static inline __u32 b2prot(int l2, int l3)
+{
+ switch (l2) {
+ case ISDN_PROTO_L2_X75I:
+ case ISDN_PROTO_L2_X75UI:
+ case ISDN_PROTO_L2_X75BUI:
+ default:
+ return 0;
+ case ISDN_PROTO_L2_HDLC:
+ return 1;
+ case ISDN_PROTO_L2_TRANS:
+ return 0;
+ }
+}
+
+static inline __u32 b3prot(int l2, int l3)
+{
+ switch (l2) {
+ case ISDN_PROTO_L2_X75I:
+ case ISDN_PROTO_L2_X75UI:
+ case ISDN_PROTO_L2_X75BUI:
+ case ISDN_PROTO_L2_HDLC:
+ case ISDN_PROTO_L2_TRANS:
+ default:
+ return 0;
+ }
+}
+
+static inline __u16 si2cip(__u8 si1, __u8 si2)
+{
+ static const __u8 cip[17][5] =
+ {
+ /* 0 1 2 3 4 */
+ {0, 0, 0, 0, 0}, /*0 */
+ {16, 16, 4, 26, 16}, /*1 */
+ {17, 17, 17, 4, 4}, /*2 */
+ {2, 2, 2, 2, 2}, /*3 */
+ {18, 18, 18, 18, 18}, /*4 */
+ {2, 2, 2, 2, 2}, /*5 */
+ {0, 0, 0, 0, 0}, /*6 */
+ {2, 2, 2, 2, 2}, /*7 */
+ {2, 2, 2, 2, 2}, /*8 */
+ {21, 21, 21, 21, 21}, /*9 */
+ {19, 19, 19, 19, 19}, /*10 */
+ {0, 0, 0, 0, 0}, /*11 */
+ {0, 0, 0, 0, 0}, /*12 */
+ {0, 0, 0, 0, 0}, /*13 */
+ {0, 0, 0, 0, 0}, /*14 */
+ {22, 22, 22, 22, 22}, /*15 */
+ {27, 27, 27, 28, 27} /*16 */
+ };
+ if (si1 > 16)
+ si1 = 0;
+ if (si2 > 4)
+ si2 = 0;
+
+ return (__u16) cip[si1][si2];
+}
+
+static inline __u8 cip2si1(__u16 cipval)
+{
+ static const __u8 si[32] =
+ {7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */
+ 7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */
+ 1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */
+ 7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */
+
+ if (cipval > 31)
+ cipval = 0; /* .... */
+ return si[cipval];
+}
+
+static inline __u8 cip2si2(__u16 cipval)
+{
+ static const __u8 si[32] =
+ {0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */
+ 0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */
+ 1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */
+ 0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */
+
+ if (cipval > 31)
+ cipval = 0; /* .... */
+ return si[cipval];
+}
+
+
+/* -------- controller managment ------------------------------------- */
+
+static inline capidrv_contr *findcontrbydriverid(int driverid)
+{
+ capidrv_contr *p = global.contr_list;
+
+ while (p) {
+ if (p->myid == driverid)
+ return p;
+ p = p->next;
+ }
+ return (capidrv_contr *) 0;
+}
+
+static capidrv_contr *findcontrbynumber(__u32 contr)
+{
+ capidrv_contr *p = global.contr_list;
+
+ while (p) {
+ if (p->contrnr == contr)
+ return p;
+ p = p->next;
+ }
+ return (capidrv_contr *) 0;
+}
+
+
+/* -------- plci management ------------------------------------------ */
+
+static capidrv_plci *new_plci(capidrv_contr * card, int chan)
+{
+ capidrv_plci *plcip;
+
+ plcip = (capidrv_plci *) kmalloc(sizeof(capidrv_plci), GFP_ATOMIC);
+
+ if (plcip == 0)
+ return 0;
+
+ memset(plcip, 0, sizeof(capidrv_plci));
+ plcip->state = ST_PLCI_NONE;
+ plcip->plci = 0;
+ plcip->msgid = 0;
+ plcip->chan = chan;
+ plcip->next = card->plci_list;
+ card->plci_list = plcip;
+ card->bchans[chan].plcip = plcip;
+
+ return plcip;
+}
+
+static capidrv_plci *find_plci_by_plci(capidrv_contr * card, __u32 plci)
+{
+ capidrv_plci *p;
+ for (p = card->plci_list; p; p = p->next)
+ if (p->plci == plci)
+ return p;
+ return 0;
+}
+
+static capidrv_plci *find_plci_by_msgid(capidrv_contr * card, __u16 msgid)
+{
+ capidrv_plci *p;
+ for (p = card->plci_list; p; p = p->next)
+ if (p->msgid == msgid)
+ return p;
+ return 0;
+}
+
+static capidrv_plci *find_plci_by_ncci(capidrv_contr * card, __u32 ncci)
+{
+ capidrv_plci *p;
+ for (p = card->plci_list; p; p = p->next)
+ if (p->plci == (ncci & 0xffff))
+ return p;
+ return 0;
+}
+
+static void free_plci(capidrv_contr * card, capidrv_plci * plcip)
+{
+ capidrv_plci **pp;
+
+ for (pp = &card->plci_list; *pp; pp = &(*pp)->next) {
+ if (*pp == plcip) {
+ *pp = (*pp)->next;
+ card->bchans[plcip->chan].plcip = 0;
+ card->bchans[plcip->chan].disconnecting = 0;
+ card->bchans[plcip->chan].incoming = 0;
+ kfree(plcip);
+ return;
+ }
+ }
+ printk(KERN_ERR "capidrv: free_plci %p (0x%x) not found, Huh?\n",
+ plcip, plcip->plci);
+}
+
+/* -------- ncci management ------------------------------------------ */
+
+static inline capidrv_ncci *new_ncci(capidrv_contr * card,
+ capidrv_plci * plcip,
+ __u32 ncci)
+{
+ capidrv_ncci *nccip;
+
+ nccip = (capidrv_ncci *) kmalloc(sizeof(capidrv_ncci), GFP_ATOMIC);
+
+ if (nccip == 0)
+ return 0;
+
+ memset(nccip, 0, sizeof(capidrv_ncci));
+ nccip->ncci = ncci;
+ nccip->state = ST_NCCI_NONE;
+ nccip->plcip = plcip;
+ nccip->chan = plcip->chan;
+ nccip->datahandle = 0;
+
+ nccip->next = plcip->ncci_list;
+ plcip->ncci_list = nccip;
+
+ card->bchans[plcip->chan].nccip = nccip;
+
+ return nccip;
+}
+
+static inline capidrv_ncci *find_ncci(capidrv_contr * card, __u32 ncci)
+{
+ capidrv_plci *plcip;
+ capidrv_ncci *p;
+
+ if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
+ return 0;
+
+ for (p = plcip->ncci_list; p; p = p->next)
+ if (p->ncci == ncci)
+ return p;
+ return 0;
+}
+
+static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr * card,
+ __u32 ncci, __u16 msgid)
+{
+ capidrv_plci *plcip;
+ capidrv_ncci *p;
+
+ if ((plcip = find_plci_by_ncci(card, ncci)) == 0)
+ return 0;
+
+ for (p = plcip->ncci_list; p; p = p->next)
+ if (p->msgid == msgid)
+ return p;
+ return 0;
+}
+
+static void free_ncci(capidrv_contr * card, struct capidrv_ncci *nccip)
+{
+ struct capidrv_ncci **pp;
+
+ for (pp = &(nccip->plcip->ncci_list); *pp; pp = &(*pp)->next) {
+ if (*pp == nccip) {
+ *pp = (*pp)->next;
+ break;
+ }
+ }
+ card->bchans[nccip->chan].nccip = 0;
+ kfree(nccip);
+}
+
+/* -------- convert and send capi message ---------------------------- */
+
+static void send_message(capidrv_contr * card, _cmsg * cmsg)
+{
+ struct sk_buff *skb;
+ size_t len;
+ capi_cmsg2message(cmsg, cmsg->buf);
+ len = CAPIMSG_LEN(cmsg->buf);
+ skb = dev_alloc_skb(len);
+ SET_SKB_FREE(skb);
+ memcpy(skb_put(skb, len), cmsg->buf, len);
+ (*capifuncs->capi_put_message) (global.appid, skb);
+}
+
+/* -------- state machine -------------------------------------------- */
+
+struct listenstatechange {
+ int actstate;
+ int nextstate;
+ int event;
+};
+
+static struct listenstatechange listentable[] =
+{
+ {ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ},
+ {ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ},
+ {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR},
+ {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR},
+ {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
+ {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
+ {ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
+ {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
+ {},
+};
+
+static void listen_change_state(capidrv_contr * card, int event)
+{
+ struct listenstatechange *p = listentable;
+ while (p->event) {
+ if (card->state == p->actstate && p->event == event) {
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: listen_change_state %d -> %d\n",
+ card->state, p->nextstate);
+ card->state = p->nextstate;
+ return;
+ }
+ p++;
+ }
+ printk(KERN_ERR "capidrv: listen_change_state state=%d event=%d ????\n",
+ card->state, event);
+
+}
+
+/* ------------------------------------------------------------------ */
+
+static void p0(capidrv_contr * card, capidrv_plci * plci)
+{
+ isdn_ctrl cmd;
+
+ card->bchans[plci->chan].contr = 0;
+ cmd.command = ISDN_STAT_DHUP;
+ cmd.driver = card->myid;
+ cmd.arg = plci->chan;
+ card->interface.statcallb(&cmd);
+ free_plci(card, plci);
+}
+
+/* ------------------------------------------------------------------ */
+
+struct plcistatechange {
+ int actstate;
+ int nextstate;
+ int event;
+ void (*changefunc) (capidrv_contr * card, capidrv_plci * plci);
+};
+
+static struct plcistatechange plcitable[] =
+{
+ /* P-0 */
+ {ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, 0},
+ {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, 0},
+ {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, 0},
+ /* P-0.1 */
+ {ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0},
+ {ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, 0},
+ {ST_PLCI_OUTGOING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
+ {ST_PLCI_OUTGOING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
+ /* P-1 */
+ {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, 0},
+ {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
+{ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
+ {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
+ /* P-ACT */
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
+ /* P-2 */
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, 0},
+ {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, 0},
+ {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, 0},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
+ /* P-3 */
+{ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, 0},
+{ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, 0},
+{ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
+ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
+ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
+ /* P-4 */
+ {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, 0},
+ {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, 0},
+{ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, 0},
+ {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
+ /* P-5 */
+{ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, 0},
+ /* P-6 */
+ {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0},
+ {},
+};
+
+static void plci_change_state(capidrv_contr * card, capidrv_plci * plci, int event)
+{
+ struct plcistatechange *p = plcitable;
+ while (p->event) {
+ if (plci->state == p->actstate && p->event == event) {
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: plci_change_state:0x%x %d -> %d\n",
+ plci->plci, plci->state, p->nextstate);
+ plci->state = p->nextstate;
+ if (p->changefunc)
+ p->changefunc(card, plci);
+ return;
+ }
+ p++;
+ }
+ printk(KERN_ERR "capidrv: plci_change_state:0x%x state=%d event=%d ????\n",
+ plci->plci, plci->state, event);
+}
+
+/* ------------------------------------------------------------------ */
+
+static _cmsg cmsg;
+
+static void n0(capidrv_contr * card, capidrv_ncci * ncci)
+{
+ isdn_ctrl cmd;
+
+ capi_fill_DISCONNECT_REQ(&cmsg,
+ global.appid,
+ card->msgid++,
+ ncci->plcip->plci,
+ 0, /* BChannelinformation */
+ 0, /* Keypadfacility */
+ 0, /* Useruserdata */
+ 0 /* Facilitydataarray */
+ );
+ send_message(card, &cmsg);
+ plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ);
+
+ cmd.command = ISDN_STAT_BHUP;
+ cmd.driver = card->myid;
+ cmd.arg = ncci->chan;
+ card->interface.statcallb(&cmd);
+ free_ncci(card, ncci);
+}
+
+/* ------------------------------------------------------------------ */
+
+struct nccistatechange {
+ int actstate;
+ int nextstate;
+ int event;
+ void (*changefunc) (capidrv_contr * card, capidrv_ncci * ncci);
+};
+
+static struct nccistatechange nccitable[] =
+{
+ /* N-0 */
+ {ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, 0},
+ {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, 0},
+ /* N-0.1 */
+ {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, 0},
+ {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, 0},
+ /* N-1 */
+ {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, 0},
+ {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, 0},
+ {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
+ {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
+ /* N-2 */
+ {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, 0},
+ {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
+{ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
+ /* N-ACT */
+ {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, 0},
+ {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
+ {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
+ /* N-3 */
+ {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, 0},
+ {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
+ {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, 0},
+ /* N-4 */
+ {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, 0},
+ {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR, 0},
+ /* N-5 */
+ {ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0},
+ {},
+};
+
+static void ncci_change_state(capidrv_contr * card, capidrv_ncci * ncci, int event)
+{
+ struct nccistatechange *p = nccitable;
+ while (p->event) {
+ if (ncci->state == p->actstate && p->event == event) {
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: ncci_change_state:0x%x %d -> %d\n",
+ ncci->ncci, ncci->state, p->nextstate);
+ if (p->nextstate == ST_NCCI_PREVIOUS) {
+ ncci->state = ncci->oldstate;
+ ncci->oldstate = p->actstate;
+ } else {
+ ncci->oldstate = p->actstate;
+ ncci->state = p->nextstate;
+ }
+ if (p->changefunc)
+ p->changefunc(card, ncci);
+ return;
+ }
+ p++;
+ }
+ printk(KERN_ERR "capidrv: ncci_change_state:0x%x state=%d event=%d ????\n",
+ ncci->ncci, ncci->state, event);
+}
+
+/* ------------------------------------------------------------------- */
+
+static inline int new_bchan(capidrv_contr * card)
+{
+ int i;
+ for (i = 0; i < card->nbchan; i++) {
+ if (card->bchans[i].plcip == 0) {
+ card->bchans[i].disconnecting = 0;
+ return i;
+ }
+ }
+ return -1;
+}
+
+/* ------------------------------------------------------------------- */
+
+static void handle_controller(_cmsg * cmsg)
+{
+ capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
+
+ if (!card) {
+ printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController & 0x7f);
+ return;
+ }
+ switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
+
+ case CAPI_LISTEN_CONF: /* Controller */
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: listenconf Info=0x%4x (%s) cipmask=0x%x\n",
+ cmsg->Info, capi_info2str(cmsg->Info), card->cipmask);
+ if (cmsg->Info) {
+ listen_change_state(card, EV_LISTEN_CONF_ERROR);
+ } else if (card->cipmask == 0) {
+ listen_change_state(card, EV_LISTEN_CONF_EMPTY);
+ } else {
+ listen_change_state(card, EV_LISTEN_CONF_OK);
+ }
+ break;
+
+ case CAPI_MANUFACTURER_IND: /* Controller */
+ goto ignored;
+ case CAPI_MANUFACTURER_CONF: /* Controller */
+ goto ignored;
+ case CAPI_FACILITY_IND: /* Controller/plci/ncci */
+ goto ignored;
+ case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
+ goto ignored;
+ case CAPI_INFO_IND: /* Controller/plci */
+ goto ignored;
+ case CAPI_INFO_CONF: /* Controller/plci */
+ goto ignored;
+
+ default:
+ printk(KERN_ERR "capidrv: got %s from controller 0x%x ???",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController);
+ }
+ return;
+
+ ignored:
+ printk(KERN_INFO "capidrv: %s from controller 0x%x ignored\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController);
+}
+
+static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg)
+{
+ capidrv_plci *plcip;
+ capidrv_bchan *bchan;
+ isdn_ctrl cmd;
+ int chan;
+
+ if ((chan = new_bchan(card)) == -1) {
+ printk(KERN_ERR "capidrv: incoming call on not existing bchan ?\n");
+ return;
+ }
+ bchan = &card->bchans[chan];
+ if ((plcip = new_plci(card, chan)) == 0) {
+ printk(KERN_ERR "capidrv: incoming call: no memory, sorry.\n");
+ return;
+ }
+ bchan->incoming = 1;
+ plcip->plci = cmsg->adr.adrPLCI;
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_IND);
+
+ cmd.command = ISDN_STAT_ICALL;
+ cmd.driver = card->myid;
+ cmd.arg = chan;
+ memset(&cmd.parm.setup, 0, sizeof(cmd.parm.setup));
+ strncpy(cmd.parm.setup.phone,
+ cmsg->CallingPartyNumber + 3,
+ cmsg->CallingPartyNumber[0] - 2);
+ strncpy(cmd.parm.setup.eazmsn,
+ cmsg->CalledPartyNumber + 2,
+ cmsg->CalledPartyNumber[0] - 1);
+ cmd.parm.setup.si1 = cip2si1(cmsg->CIPValue);
+ cmd.parm.setup.si2 = cip2si2(cmsg->CIPValue);
+ cmd.parm.setup.plan = cmsg->CallingPartyNumber[1];
+ cmd.parm.setup.screen = cmsg->CallingPartyNumber[2];
+
+ printk(KERN_INFO "capidrv: incoming call %s,%d,%d,%s\n",
+ cmd.parm.setup.phone,
+ cmd.parm.setup.si1,
+ cmd.parm.setup.si2,
+ cmd.parm.setup.eazmsn);
+
+ switch (card->interface.statcallb(&cmd)) {
+ case 0:
+ /* No device matching this call.
+ * and isdn_common.c has send a HANGUP command
+ * which is ignored in state ST_PLCI_INCOMING,
+ * so we send RESP to ignore the call
+ */
+ capi_cmsg_answer(cmsg);
+ cmsg->Reject = 1; /* ignore */
+ send_message(card, cmsg);
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
+ printk(KERN_INFO "capidrv: incoming call %s,%d,%d,%s ignored\n",
+ cmd.parm.setup.phone,
+ cmd.parm.setup.si1,
+ cmd.parm.setup.si2,
+ cmd.parm.setup.eazmsn);
+ break;
+ case 1:
+ /* At least one device matching this call (RING on ttyI)
+ * HL-driver may send ALERTING on the D-channel in this
+ * case.
+ * really means: RING on ttyI or a net interface
+ * accepted this call already.
+ *
+ * If the call was accepted, state has already changed,
+ * and CONNECT_RESP already sent.
+ */
+ if (plcip->state == ST_PLCI_INCOMING) {
+ printk(KERN_INFO "capidrv: incoming call %s,%d,%d,%s tty alerting\n",
+ cmd.parm.setup.phone,
+ cmd.parm.setup.si1,
+ cmd.parm.setup.si2,
+ cmd.parm.setup.eazmsn);
+ capi_fill_ALERT_REQ(cmsg,
+ global.appid,
+ card->msgid++,
+ plcip->plci, /* adr */
+ 0, /* BChannelinformation */
+ 0, /* Keypadfacility */
+ 0, /* Useruserdata */
+ 0 /* Facilitydataarray */
+ );
+ plcip->msgid = cmsg->Messagenumber;
+ send_message(card, cmsg);
+ } else {
+ printk(KERN_INFO "capidrv: incoming call %s,%d,%d,%s on netdev\n",
+ cmd.parm.setup.phone,
+ cmd.parm.setup.si1,
+ cmd.parm.setup.si2,
+ cmd.parm.setup.eazmsn);
+ }
+ break;
+
+ case 2: /* Call will be rejected. */
+ capi_cmsg_answer(cmsg);
+ cmsg->Reject = 2; /* reject call, normal call clearing */
+ send_message(card, cmsg);
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
+ break;
+
+ default:
+ /* An error happened. (Invalid parameters for example.) */
+ capi_cmsg_answer(cmsg);
+ cmsg->Reject = 8; /* reject call,
+ destination out of order */
+ send_message(card, cmsg);
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
+ break;
+ }
+ return;
+}
+
+static void handle_plci(_cmsg * cmsg)
+{
+ capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
+ capidrv_plci *plcip;
+ isdn_ctrl cmd;
+
+ if (!card) {
+ printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController & 0x7f);
+ return;
+ }
+ switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
+
+ case CAPI_DISCONNECT_IND: /* plci */
+ if (cmsg->Reason) {
+ printk(KERN_INFO "capidrv: %s reason 0x%x (%s) for plci 0x%x\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Reason, capi_info2str(cmsg->Reason), cmsg->adr.adrPLCI);
+ }
+ if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) {
+ capi_cmsg_answer(cmsg);
+ send_message(card, cmsg);
+ goto notfound;
+ }
+ card->bchans[plcip->chan].disconnecting = 1;
+ plci_change_state(card, plcip, EV_PLCI_DISCONNECT_IND);
+ capi_cmsg_answer(cmsg);
+ send_message(card, cmsg);
+ plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP);
+ break;
+
+ case CAPI_DISCONNECT_CONF: /* plci */
+ if (cmsg->Info) {
+ printk(KERN_INFO "capidrv: %s info 0x%x (%s) for plci 0x%x\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Info, capi_info2str(cmsg->Info),
+ cmsg->adr.adrPLCI);
+ }
+ if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
+ goto notfound;
+
+ card->bchans[plcip->chan].disconnecting = 1;
+ break;
+
+ case CAPI_ALERT_CONF: /* plci */
+ if (cmsg->Info) {
+ printk(KERN_INFO "capidrv: %s info 0x%x (%s) for plci 0x%x\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Info, capi_info2str(cmsg->Info),
+ cmsg->adr.adrPLCI);
+ }
+ break;
+
+ case CAPI_CONNECT_IND: /* plci */
+ handle_incoming_call(card, cmsg);
+ break;
+
+ case CAPI_CONNECT_CONF: /* plci */
+ if (cmsg->Info) {
+ printk(KERN_INFO "capidrv: %s info 0x%x (%s) for plci 0x%x\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Info, capi_info2str(cmsg->Info),
+ cmsg->adr.adrPLCI);
+ }
+ if (!(plcip = find_plci_by_msgid(card, cmsg->Messagenumber)))
+ goto notfound;
+
+ plcip->plci = cmsg->adr.adrPLCI;
+ if (cmsg->Info) {
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_ERROR);
+ } else {
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_OK);
+ }
+ break;
+
+ case CAPI_CONNECT_ACTIVE_IND: /* plci */
+
+ if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
+ goto notfound;
+
+ if (card->bchans[plcip->chan].incoming) {
+ capi_cmsg_answer(cmsg);
+ send_message(card, cmsg);
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
+ } else {
+ capidrv_ncci *nccip;
+ capi_cmsg_answer(cmsg);
+ send_message(card, cmsg);
+
+ nccip = new_ncci(card, plcip, cmsg->adr.adrPLCI);
+
+ if (!nccip) {
+ printk(KERN_ERR "capidrv: no mem for ncci, sorry\n");
+ break; /* $$$$ */
+ }
+ capi_fill_CONNECT_B3_REQ(cmsg,
+ global.appid,
+ card->msgid++,
+ plcip->plci, /* adr */
+ 0 /* NCPI */
+ );
+ nccip->msgid = cmsg->Messagenumber;
+ send_message(card, cmsg);
+ cmd.command = ISDN_STAT_DCONN;
+ cmd.driver = card->myid;
+ cmd.arg = plcip->chan;
+ card->interface.statcallb(&cmd);
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
+ ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ);
+ }
+ break;
+
+ case CAPI_INFO_IND: /* Controller/plci */
+
+ if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
+ goto notfound;
+
+ if (cmsg->InfoNumber == 0x4000) {
+ if (cmsg->InfoElement[0] == 4) {
+ cmd.command = ISDN_STAT_CINF;
+ cmd.driver = card->myid;
+ cmd.arg = plcip->chan;
+ sprintf(cmd.parm.num, "%lu",
+ (unsigned long)
+ ((__u32) cmsg->InfoElement[1]
+ | ((__u32) (cmsg->InfoElement[2]) << 8)
+ | ((__u32) (cmsg->InfoElement[3]) << 16)
+ | ((__u32) (cmsg->InfoElement[4]) << 24)));
+ card->interface.statcallb(&cmd);
+ break;
+ }
+ }
+ printk(KERN_ERR "capidrv: %s\n", capi_cmsg2str(cmsg));
+ break;
+
+ case CAPI_CONNECT_ACTIVE_CONF: /* plci */
+ goto ignored;
+ case CAPI_SELECT_B_PROTOCOL_CONF: /* plci */
+ goto ignored;
+ case CAPI_FACILITY_IND: /* Controller/plci/ncci */
+ goto ignored;
+ case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
+ goto ignored;
+
+ case CAPI_INFO_CONF: /* Controller/plci */
+ goto ignored;
+
+ default:
+ printk(KERN_ERR "capidrv: got %s for plci 0x%x ???",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrPLCI);
+ }
+ return;
+ ignored:
+ printk(KERN_INFO "capidrv: %s for plci 0x%x ignored\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrPLCI);
+ return;
+ notfound:
+ printk(KERN_ERR "capidrv: %s: plci 0x%x not found\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrPLCI);
+ return;
+}
+
+static void handle_ncci(_cmsg * cmsg)
+{
+ capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
+ capidrv_plci *plcip;
+ capidrv_ncci *nccip;
+ isdn_ctrl cmd;
+
+ if (!card) {
+ printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController & 0x7f);
+ return;
+ }
+ switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
+
+ case CAPI_CONNECT_B3_ACTIVE_IND: /* ncci */
+ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
+ goto notfound;
+
+ capi_cmsg_answer(cmsg);
+ send_message(card, cmsg);
+ ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND);
+
+ cmd.command = ISDN_STAT_BCONN;
+ cmd.driver = card->myid;
+ cmd.arg = nccip->chan;
+ card->interface.statcallb(&cmd);
+
+ printk(KERN_INFO "capidrv: chan %d up with ncci 0x%x\n",
+ nccip->chan, nccip->ncci);
+ break;
+
+ case CAPI_CONNECT_B3_ACTIVE_CONF: /* ncci */
+ goto ignored;
+
+ case CAPI_CONNECT_B3_IND: /* ncci */
+
+ plcip = find_plci_by_ncci(card, cmsg->adr.adrNCCI);
+ if (plcip) {
+ nccip = new_ncci(card, plcip, cmsg->adr.adrNCCI);
+ if (nccip) {
+ ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_IND);
+ capi_fill_CONNECT_B3_RESP(cmsg,
+ global.appid,
+ card->msgid++,
+ nccip->ncci, /* adr */
+ 0, /* Reject */
+ 0 /* NCPI */
+ );
+ send_message(card, cmsg);
+ ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP);
+ break;
+ }
+ printk(KERN_ERR "capidrv: no mem for ncci, sorry\n");
+ } else {
+ printk(KERN_ERR "capidrv: %s: plci for ncci 0x%x not found\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrNCCI);
+ }
+ capi_fill_CONNECT_B3_RESP(cmsg,
+ global.appid,
+ card->msgid++,
+ cmsg->adr.adrNCCI,
+ 2, /* Reject */
+ 0 /* NCPI */
+ );
+ send_message(card, cmsg);
+ break;
+
+ case CAPI_CONNECT_B3_CONF: /* ncci */
+
+ if (!(nccip = find_ncci_by_msgid(card,
+ cmsg->adr.adrNCCI,
+ cmsg->Messagenumber)))
+ goto notfound;
+
+ nccip->ncci = cmsg->adr.adrNCCI;
+ if (cmsg->Info) {
+ printk(KERN_INFO "capidrv: %s info 0x%x (%s) for ncci 0x%x\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Info, capi_info2str(cmsg->Info),
+ cmsg->adr.adrNCCI);
+ }
+
+ if (cmsg->Info)
+ ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_ERROR);
+ else
+ ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_OK);
+ break;
+
+ case CAPI_CONNECT_B3_T90_ACTIVE_IND: /* ncci */
+ capi_cmsg_answer(cmsg);
+ send_message(card, cmsg);
+ break;
+
+ case CAPI_DATA_B3_IND: /* ncci */
+ /* handled in handle_data() */
+ goto ignored;
+
+ case CAPI_DATA_B3_CONF: /* ncci */
+ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
+ goto notfound;
+
+ cmd.command = ISDN_STAT_BSENT;
+ cmd.driver = card->myid;
+ cmd.arg = nccip->chan;
+ card->interface.statcallb(&cmd);
+
+ break;
+
+ case CAPI_DISCONNECT_B3_IND: /* ncci */
+ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
+ goto notfound;
+
+ card->bchans[nccip->chan].disconnecting = 1;
+ ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND);
+ capi_cmsg_answer(cmsg);
+ send_message(card, cmsg);
+ ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP);
+ break;
+
+ case CAPI_DISCONNECT_B3_CONF: /* ncci */
+ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
+ goto notfound;
+ if (cmsg->Info) {
+ printk(KERN_INFO "capidrv: %s info 0x%x (%s) for ncci 0x%x\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Info, capi_info2str(cmsg->Info),
+ cmsg->adr.adrNCCI);
+ ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_CONF_ERROR);
+ }
+ break;
+
+ case CAPI_RESET_B3_IND: /* ncci */
+ capi_cmsg_answer(cmsg);
+ send_message(card, cmsg);
+ break;
+
+ case CAPI_RESET_B3_CONF: /* ncci */
+ goto ignored; /* $$$$ */
+
+ case CAPI_FACILITY_IND: /* Controller/plci/ncci */
+ goto ignored;
+ case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
+ goto ignored;
+
+ default:
+ printk(KERN_ERR "capidrv: got %s for ncci 0x%x ???",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrNCCI);
+ }
+ return;
+ ignored:
+ printk(KERN_INFO "capidrv: %s for ncci 0x%x ignored\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrNCCI);
+ return;
+ notfound:
+ printk(KERN_ERR "capidrv: %s: ncci 0x%x not found\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrNCCI);
+}
+
+
+static void handle_data(_cmsg * cmsg, struct sk_buff *skb)
+{
+ capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
+ capidrv_ncci *nccip;
+
+ if (!card) {
+ printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController & 0x7f);
+ return;
+ }
+ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) {
+ printk(KERN_ERR "capidrv: %s: ncci 0x%x not found\n",
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrNCCI);
+ kfree_skb(skb, FREE_READ);
+ return;
+ }
+ (void) skb_pull(skb, CAPIMSG_LEN(skb->data));
+ card->interface.rcvcallb_skb(card->myid, nccip->chan, skb);
+ capi_cmsg_answer(cmsg);
+ send_message(card, cmsg);
+}
+
+static _cmsg s_cmsg;
+
+static void capidrv_signal(__u16 applid, __u32 dummy)
+{
+ struct sk_buff *skb = 0;
+
+ while ((*capifuncs->capi_get_message) (global.appid, &skb) == CAPI_NOERROR) {
+ capi_message2cmsg(&s_cmsg, skb->data);
+ if (debugmode > 1)
+ printk(KERN_DEBUG "capidrv_signal: %s\n", capi_cmsg2str(&s_cmsg));
+
+ if (s_cmsg.Command == CAPI_DATA_B3
+ && s_cmsg.Subcommand == CAPI_IND) {
+ handle_data(&s_cmsg, skb);
+ continue;
+ }
+ kfree_skb(skb, FREE_READ);
+ if ((s_cmsg.adr.adrController & 0xffffff00) == 0)
+ handle_controller(&s_cmsg);
+ else if ((s_cmsg.adr.adrPLCI & 0xffff0000) == 0)
+ handle_plci(&s_cmsg);
+ else
+ handle_ncci(&s_cmsg);
+ }
+}
+
+/* ------------------------------------------------------------------- */
+
+static _cmsg cmdcmsg;
+
+static int capidrv_ioctl(isdn_ctrl * c, capidrv_contr * card)
+{
+ switch (c->arg) {
+ default:
+ printk(KERN_DEBUG "capidrv: capidrv_ioctl(%ld) called ??\n", c->arg);
+ return -EINVAL;
+ }
+ return -EINVAL;
+}
+
+static int capidrv_command(isdn_ctrl * c, capidrv_contr * card)
+{
+ isdn_ctrl cmd;
+ struct capidrv_bchan *bchan;
+ struct capidrv_plci *plcip;
+
+ if (c->command == ISDN_CMD_IOCTL)
+ return capidrv_ioctl(c, card);
+
+ switch (c->command) {
+ case ISDN_CMD_DIAL:{
+ __u8 calling[ISDN_MSNLEN + 3];
+ __u8 called[ISDN_MSNLEN + 2];
+
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n",
+ c->arg,
+ c->parm.setup.phone,
+ c->parm.setup.si1,
+ c->parm.setup.si2,
+ c->parm.setup.eazmsn);
+
+ bchan = &card->bchans[c->arg % card->nbchan];
+
+ if (bchan->plcip) {
+ printk(KERN_ERR "capidrv: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n",
+ c->arg,
+ c->parm.setup.phone,
+ c->parm.setup.si1,
+ c->parm.setup.si2,
+ c->parm.setup.eazmsn,
+ bchan->plcip->plci);
+ return 0;
+ }
+ bchan->si1 = c->parm.setup.si1;
+ bchan->si2 = c->parm.setup.si2;
+
+ strncpy(bchan->num, c->parm.setup.phone, sizeof(bchan->num));
+ strncpy(bchan->mynum, c->parm.setup.eazmsn, sizeof(bchan->mynum));
+
+ calling[0] = strlen(bchan->mynum) + 2;
+ calling[1] = 0;
+ calling[2] = 0x80;
+ strncpy(calling + 3, bchan->mynum, ISDN_MSNLEN);
+
+ called[0] = strlen(bchan->num) + 1;
+ called[1] = 0x80;
+ strncpy(called + 2, bchan->num, ISDN_MSNLEN);
+
+ capi_fill_CONNECT_REQ(&cmdcmsg,
+ global.appid,
+ card->msgid++,
+ 1, /* adr */
+ si2cip(bchan->si1, bchan->si2), /* cipvalue */
+ called, /* CalledPartyNumber */
+ calling, /* CallingPartyNumber */
+ 0, /* CalledPartySubaddress */
+ 0, /* CallingPartySubaddress */
+ b1prot(bchan->l2, bchan->l3), /* B1protocol */
+ b2prot(bchan->l2, bchan->l3), /* B2protocol */
+ b3prot(bchan->l2, bchan->l3), /* B3protocol */
+ 0, /* B1configuration */
+ 0, /* B2configuration */
+ 0, /* B3configuration */
+ 0, /* BC */
+ 0, /* LLC */
+ 0, /* HLC */
+ 0, /* BChannelinformation */
+ 0, /* Keypadfacility */
+ 0, /* Useruserdata */
+ 0 /* Facilitydataarray */
+ );
+ if ((plcip = new_plci(card, (c->arg % card->nbchan))) == 0) {
+ cmd.command = ISDN_STAT_DHUP;
+ cmd.driver = card->myid;
+ cmd.arg = (c->arg % card->nbchan);
+ card->interface.statcallb(&cmd);
+ return -1;
+ }
+ plcip->msgid = cmdcmsg.Messagenumber;
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ);
+ send_message(card, &cmdcmsg);
+ return 0;
+ }
+
+ case ISDN_CMD_ACCEPTD:
+
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_ACCEPTD(ch=%ld)\n",
+ c->arg);
+ bchan = &card->bchans[c->arg % card->nbchan];
+
+ capi_fill_CONNECT_RESP(&cmdcmsg,
+ global.appid,
+ card->msgid++,
+ bchan->plcip->plci, /* adr */
+ 0, /* Reject */
+ b1prot(bchan->l2, bchan->l3), /* B1protocol */
+ b2prot(bchan->l2, bchan->l3), /* B2protocol */
+ b3prot(bchan->l2, bchan->l3), /* B3protocol */
+ 0, /* B1configuration */
+ 0, /* B2configuration */
+ 0, /* B3configuration */
+ 0, /* ConnectedNumber */
+ 0, /* ConnectedSubaddress */
+ 0, /* LLC */
+ 0, /* BChannelinformation */
+ 0, /* Keypadfacility */
+ 0, /* Useruserdata */
+ 0 /* Facilitydataarray */
+ );
+ capi_cmsg2message(&cmdcmsg, cmdcmsg.buf);
+ plci_change_state(card, bchan->plcip, EV_PLCI_CONNECT_RESP);
+ send_message(card, &cmdcmsg);
+ return 0;
+
+ case ISDN_CMD_ACCEPTB:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_ACCEPTB(ch=%ld)\n",
+ c->arg);
+ return -ENOSYS;
+
+ case ISDN_CMD_HANGUP:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_HANGUP(ch=%ld)\n",
+ c->arg);
+ bchan = &card->bchans[c->arg % card->nbchan];
+
+ if (bchan->disconnecting) {
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: chan %ld already disconnecting ...\n",
+ c->arg);
+ return 0;
+ }
+ if (bchan->nccip) {
+ bchan->disconnecting = 1;
+ capi_fill_DISCONNECT_B3_REQ(&cmdcmsg,
+ global.appid,
+ card->msgid++,
+ bchan->nccip->ncci,
+ 0 /* NCPI */
+ );
+ ncci_change_state(card, bchan->nccip, EV_NCCI_DISCONNECT_B3_REQ);
+ send_message(card, &cmdcmsg);
+ } else if (bchan->plcip) {
+ bchan->disconnecting = 1;
+ if (bchan->plcip->state == ST_PLCI_INCOMING) {
+ /* just ignore, we a called from isdn_status_callback(),
+ * which will return 0 or 2, this is handled by the
+ * CONNECT_IND handler
+ */
+ } else {
+ capi_fill_DISCONNECT_REQ(&cmdcmsg,
+ global.appid,
+ card->msgid++,
+ bchan->plcip->plci,
+ 0, /* BChannelinformation */
+ 0, /* Keypadfacility */
+ 0, /* Useruserdata */
+ 0 /* Facilitydataarray */
+ );
+ plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ);
+ send_message(card, &cmdcmsg);
+ }
+ }
+/* ready */
+
+ case ISDN_CMD_SETL2:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: set L2 on chan %ld to %ld\n",
+ (c->arg & 0xff), (c->arg >> 8));
+ bchan = &card->bchans[c->arg % card->nbchan];
+ bchan->l2 = (c->arg >> 8);
+ return 0;
+
+ case ISDN_CMD_SETL3:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: set L3 on chan %ld to %ld\n",
+ (c->arg & 0xff), (c->arg >> 8));
+ bchan = &card->bchans[c->arg % card->nbchan];
+ bchan->l3 = (c->arg >> 8);
+ return 0;
+
+ case ISDN_CMD_SETEAZ:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: set EAZ \"%s\" on chan %ld\n",
+ c->parm.num, c->arg);
+ bchan = &card->bchans[c->arg % card->nbchan];
+ strncpy(bchan->msn, c->parm.num, ISDN_MSNLEN);
+ return 0;
+
+ case ISDN_CMD_CLREAZ:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: clearing EAZ on chan %ld\n", c->arg);
+ bchan = &card->bchans[c->arg % card->nbchan];
+ bchan->msn[0] = 0;
+ return 0;
+
+ case ISDN_CMD_LOCK:
+ if (debugmode > 1)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_LOCK (%ld)\n", c->arg);
+ MOD_INC_USE_COUNT;
+ break;
+
+ case ISDN_CMD_UNLOCK:
+ if (debugmode > 1)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_UNLOCK (%ld)\n", c->arg);
+ MOD_DEC_USE_COUNT;
+ break;
+
+/* never called */
+ case ISDN_CMD_GETL2:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_GETL2\n");
+ return -ENODEV;
+ case ISDN_CMD_GETL3:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_GETL3\n");
+ return -ENODEV;
+ case ISDN_CMD_GETEAZ:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_GETEAZ\n");
+ return -ENODEV;
+ case ISDN_CMD_SETSIL:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_SETSIL\n");
+ return -ENODEV;
+ case ISDN_CMD_GETSIL:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv: ISDN_CMD_GETSIL\n");
+ return -ENODEV;
+ default:
+ printk(KERN_ERR "capidrv: ISDN_CMD_%d, Huh?\n", c->command);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int if_command(isdn_ctrl * c)
+{
+ capidrv_contr *card = findcontrbydriverid(c->driver);
+
+ if (card)
+ return capidrv_command(c, card);
+
+ printk(KERN_ERR
+ "capidrv: if_command %d called with invalid driverId %d!\n",
+ c->command, c->driver);
+ return -ENODEV;
+}
+
+static _cmsg sendcmsg;
+
+static int if_sendbuf(int id, int channel, struct sk_buff *skb)
+{
+ capidrv_contr *card = findcontrbydriverid(id);
+ capidrv_bchan *bchan;
+ capidrv_ncci *nccip;
+ int len = skb->len;
+ size_t msglen;
+ __u16 errcode;
+
+ if (!card) {
+ printk(KERN_ERR "capidrv: if_sendbuf called with invalid driverId %d!\n",
+ id);
+ return 0;
+ }
+ bchan = &card->bchans[channel % card->nbchan];
+ nccip = bchan->nccip;
+ if (!nccip || nccip->state != ST_NCCI_ACTIVE) {
+ printk(KERN_ERR "capidrv: if_sendbuf: %s:%d: chan not up!\n",
+ card->name, channel);
+ return 0;
+ }
+ capi_fill_DATA_B3_REQ(&sendcmsg, global.appid, card->msgid++,
+ nccip->ncci, /* adr */
+ (__u32) skb->data, /* Data */
+ skb->len, /* DataLength */
+ nccip->datahandle++, /* DataHandle */
+ 0 /* Flags */
+ );
+ capi_cmsg2message(&sendcmsg, sendcmsg.buf);
+ msglen = CAPIMSG_LEN(sendcmsg.buf);
+ if (skb_headroom(skb) < msglen) {
+ struct sk_buff *nskb = dev_alloc_skb(msglen + skb->len);
+ if (!nskb) {
+ printk(KERN_ERR "capidrv: if_sendbuf: no memory\n");
+ return 0;
+ }
+#if 0
+ printk(KERN_DEBUG "capidrv: only %d bytes headroom\n",
+ skb_headroom(skb));
+#endif
+ SET_SKB_FREE(nskb);
+ memcpy(skb_put(nskb, msglen), sendcmsg.buf, msglen);
+ memcpy(skb_put(nskb, skb->len), skb->data, skb->len);
+ errcode = (*capifuncs->capi_put_message) (global.appid, nskb);
+ switch (errcode) {
+ case CAPI_NOERROR:
+ dev_kfree_skb(skb, FREE_WRITE);
+ return len;
+ case CAPI_SENDQUEUEFULL:
+ dev_kfree_skb(nskb, FREE_WRITE);
+ return 0;
+ default:
+ return -1;
+ }
+ } else {
+ memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen);
+ errcode = (*capifuncs->capi_put_message) (global.appid, skb);
+ switch (errcode) {
+ case CAPI_NOERROR:
+ return len;
+ case CAPI_SENDQUEUEFULL:
+ return 0;
+ default:
+ return -1;
+ }
+ }
+}
+
+static int capidrv_addcontr(__u16 contr, struct capi_profile *profp)
+{
+ capidrv_contr *card;
+ isdn_ctrl cmd;
+ char id[20];
+ int i;
+
+ sprintf(id, "capidrv-%d", contr);
+ if (!(card = (capidrv_contr *) kmalloc(sizeof(capidrv_contr), GFP_ATOMIC))) {
+ printk(KERN_WARNING
+ "capidrv: (%s) Could not allocate contr-struct.\n", id);
+ return -1;
+ }
+ memset(card, 0, sizeof(capidrv_contr));
+ strcpy(card->name, id);
+ card->contrnr = contr;
+ card->nbchan = profp->nbchannel;
+ card->bchans = (capidrv_bchan *) kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC);
+ if (!card->bchans) {
+ printk(KERN_WARNING
+ "capidrv: (%s) Could not allocate bchan-structs.\n", id);
+ kfree(card);
+ return -1;
+ }
+ card->interface.channels = profp->nbchannel;
+ card->interface.maxbufsize = 2048;
+ card->interface.command = if_command;
+ card->interface.writebuf_skb = if_sendbuf;
+ card->interface.writecmd = 0;
+ card->interface.readstat = 0;
+ card->interface.features = ISDN_FEATURE_L2_X75I |
+ ISDN_FEATURE_L2_X75UI |
+ ISDN_FEATURE_L2_X75BUI |
+ ISDN_FEATURE_L2_HDLC |
+ ISDN_FEATURE_L2_TRANS |
+ ISDN_FEATURE_L3_TRANS |
+ ISDN_FEATURE_P_UNKNOWN;
+ card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */
+ strncpy(card->interface.id, id, sizeof(card->interface.id) - 1);
+ card->next = global.contr_list;
+ global.contr_list = card;
+ global.ncontr++;
+
+ if (!register_isdn(&card->interface)) {
+ global.contr_list = global.contr_list->next;
+ printk(KERN_ERR "capidrv: Unable to register contr %s\n", id);
+ kfree(card->bchans);
+ kfree(card);
+ return -1;
+ }
+ card->myid = card->interface.channels;
+
+ memset(card->bchans, 0, sizeof(capidrv_bchan) * card->nbchan);
+ for (i = 0; i < card->nbchan; i++) {
+ card->bchans[i].contr = card;
+ }
+
+ cmd.driver = card->myid;
+ cmd.command = ISDN_STAT_RUN;
+ card->interface.statcallb(&cmd);
+
+ card->cipmask = 1; /* any */
+ card->cipmask2 = 0;
+
+ capi_fill_LISTEN_REQ(&cmdcmsg, global.appid,
+ card->msgid++,
+ contr, /* controller */
+ 1 << 6, /* Infomask */
+ card->cipmask,
+ card->cipmask2,
+ 0, 0);
+ send_message(card, &cmdcmsg);
+ listen_change_state(card, EV_LISTEN_REQ);
+
+ printk(KERN_INFO "%s: now up (%d B channels)\n",
+ card->name, card->nbchan);
+
+ return 0;
+}
+
+static int capidrv_delcontr(__u16 contr)
+{
+ capidrv_contr **pp, *card;
+ isdn_ctrl cmd;
+ int i;
+
+ for (pp = &global.contr_list; *pp; pp = &(*pp)->next) {
+ if ((*pp)->contrnr == contr)
+ break;
+ }
+ if (!*pp) {
+ printk(KERN_ERR "capidrv: delcontr: no contr %u\n", contr);
+ return -1;
+ }
+ card = *pp;
+ *pp = (*pp)->next;
+ global.ncontr--;
+
+ for (i = 0; i < card->nbchan; i++) {
+ if (card->bchans[i].nccip)
+ free_ncci(card, card->bchans[i].nccip);
+ if (card->bchans[i].plcip)
+ free_plci(card, card->bchans[i].plcip);
+ if (card->plci_list)
+ printk(KERN_ERR "capidrv: bug in free_plci()\n");
+ }
+ kfree(card->bchans);
+
+ cmd.command = ISDN_STAT_UNLOAD;
+ cmd.driver = card->myid;
+ card->interface.statcallb(&cmd);
+
+ printk(KERN_INFO "%s: now down.\n", card->name);
+
+ kfree(card);
+
+ return 0;
+}
+
+
+static void lower_callback(unsigned int cmd, __u16 contr, void *data)
+{
+ switch (cmd) {
+ case KCI_CONTRUP:
+ (void) capidrv_addcontr(contr, (capi_profile *) data);
+ break;
+ case KCI_CONTRDOWN:
+ (void) capidrv_delcontr(contr);
+ break;
+ }
+}
+
+static struct capi_interface_user cuser = {
+ "capidrv",
+ lower_callback
+};
+
+#ifdef MODULE
+#define capidrv_init init_module
+#endif
+
+int capidrv_init(void)
+{
+ struct capi_register_params rparam;
+ capi_profile profile;
+ char rev[10];
+ char *p;
+ __u32 ncontr, contr;
+ __u16 errcode;
+
+ capifuncs = attach_capi_interface(&cuser);
+
+ if (!capifuncs)
+ return -EIO;
+
+#ifndef HAS_NEW_SYMTAB
+ /* No symbols to export, hide all symbols */
+ register_symtab(NULL);
+#endif
+
+ if ((p = strchr(revision, ':'))) {
+ strcpy(rev, p + 1);
+ p = strchr(rev, '$');
+ *p = 0;
+ } else
+ strcpy(rev, " ??? ");
+
+ rparam.level3cnt = 2;
+ rparam.datablkcnt = 8;
+ rparam.datablklen = 2048;
+ errcode = (*capifuncs->capi_register) (&rparam, &global.appid);
+ if (errcode) {
+ detach_capi_interface(&cuser);
+ return -EIO;
+ }
+
+ errcode = (*capifuncs->capi_get_profile) (0, &profile);
+ if (errcode != CAPI_NOERROR) {
+ (void) (*capifuncs->capi_release) (global.appid);
+ detach_capi_interface(&cuser);
+ return -EIO;
+ }
+
+ (void) (*capifuncs->capi_set_signal) (global.appid, capidrv_signal, 0);
+
+ ncontr = profile.ncontroller;
+ for (contr = 1; contr <= ncontr; contr++) {
+ errcode = (*capifuncs->capi_get_profile) (contr, &profile);
+ if (errcode != CAPI_NOERROR)
+ continue;
+ (void) capidrv_addcontr(contr, &profile);
+ }
+
+ return 0;
+}
+
+#ifdef MODULE
+void cleanup_module(void)
+{
+ capidrv_contr *card, *next;
+ char rev[10];
+ char *p;
+
+ if ((p = strchr(revision, ':'))) {
+ strcpy(rev, p + 1);
+ p = strchr(rev, '$');
+ *p = 0;
+ } else {
+ strcpy(rev, " ??? ");
+ }
+
+ for (card = global.contr_list; card; card = next) {
+ next = card->next;
+ capidrv_delcontr(card->contrnr);
+ }
+
+ (void) (*capifuncs->capi_release) (global.appid);
+ detach_capi_interface(&cuser);
+
+ printk(KERN_NOTICE "capidrv: Rev%s: unloaded\n", rev);
+}
+
+#endif
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov