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path: root/drivers/isdn/capi/capidrv.c
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Diffstat (limited to 'drivers/isdn/capi/capidrv.c')
-rw-r--r--drivers/isdn/capi/capidrv.c2538
1 files changed, 2538 insertions, 0 deletions
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
new file mode 100644
index 000000000..1cc6ca8bf
--- /dev/null
+++ b/drivers/isdn/capi/capidrv.c
@@ -0,0 +1,2538 @@
+/* $Id: capidrv.c,v 1.1.2.2 2004/01/12 23:17:24 keil Exp $
+ *
+ * ISDN4Linux Driver, using capi20 interface (kernelcapi)
+ *
+ * Copyright 1997 by Carsten Paeth <calle@calle.de>
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/slab.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/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/capi.h>
+#include <linux/kernelcapi.h>
+#include <linux/ctype.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+
+#include <linux/isdn/capiutil.h>
+#include <linux/isdn/capicmd.h>
+#include "capidrv.h"
+
+static int debugmode = 0;
+
+MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux");
+MODULE_AUTHOR("Carsten Paeth");
+MODULE_LICENSE("GPL");
+module_param(debugmode, uint, S_IRUGO | S_IWUSR);
+
+/* -------- type definitions ----------------------------------------- */
+
+
+struct capidrv_contr {
+
+ struct capidrv_contr *next;
+ struct module *owner;
+ u32 contrnr;
+ char name[20];
+
+ /*
+ * for isdn4linux
+ */
+ isdn_if interface;
+ int myid;
+
+ /*
+ * LISTEN state
+ */
+ int state;
+ u32 cipmask;
+ u32 cipmask2;
+ struct timer_list listentimer;
+
+ /*
+ * 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;
+ int leasedline;
+ 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;
+ struct ncci_datahandle_queue {
+ struct ncci_datahandle_queue *next;
+ u16 datahandle;
+ int len;
+ } *ackqueue;
+ } *ncci_list;
+ } *plcip;
+ struct capidrv_ncci *nccip;
+ } *bchans;
+
+ struct capidrv_plci *plci_list;
+
+ /* for q931 data */
+ u8 q931_buf[4096];
+ u8 *q931_read;
+ u8 *q931_write;
+ u8 *q931_end;
+};
+
+
+struct capidrv_data {
+ struct capi20_appl ap;
+ 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 DEFINE_SPINLOCK(global_lock);
+
+static void handle_dtrace_data(capidrv_contr *card,
+ int send, int level2, u8 *data, u16 len);
+
+/* -------- 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;
+ case ISDN_PROTO_L2_V11096:
+ case ISDN_PROTO_L2_V11019:
+ case ISDN_PROTO_L2_V11038:
+ return 2;
+ case ISDN_PROTO_L2_FAX:
+ return 4;
+ case ISDN_PROTO_L2_MODEM:
+ return 8;
+ }
+}
+
+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:
+ case ISDN_PROTO_L2_TRANS:
+ case ISDN_PROTO_L2_V11096:
+ case ISDN_PROTO_L2_V11019:
+ case ISDN_PROTO_L2_V11038:
+ case ISDN_PROTO_L2_MODEM:
+ return 1;
+ case ISDN_PROTO_L2_FAX:
+ return 4;
+ }
+}
+
+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:
+ case ISDN_PROTO_L2_V11096:
+ case ISDN_PROTO_L2_V11019:
+ case ISDN_PROTO_L2_V11038:
+ case ISDN_PROTO_L2_MODEM:
+ default:
+ return 0;
+ case ISDN_PROTO_L2_FAX:
+ return 4;
+ }
+}
+
+static _cstruct b1config_async_v110(u16 rate)
+{
+ /* CAPI-Spec "B1 Configuration" */
+ static unsigned char buf[9];
+ buf[0] = 8; /* len */
+ /* maximum bitrate */
+ buf[1] = rate & 0xff; buf[2] = (rate >> 8) & 0xff;
+ buf[3] = 8; buf[4] = 0; /* 8 bits per character */
+ buf[5] = 0; buf[6] = 0; /* parity none */
+ buf[7] = 0; buf[8] = 0; /* 1 stop bit */
+ return buf;
+}
+
+static _cstruct b1config(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 NULL;
+ case ISDN_PROTO_L2_V11096:
+ return b1config_async_v110(9600);
+ case ISDN_PROTO_L2_V11019:
+ return b1config_async_v110(19200);
+ case ISDN_PROTO_L2_V11038:
+ return b1config_async_v110(38400);
+ }
+}
+
+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 management ------------------------------------- */
+
+static inline capidrv_contr *findcontrbydriverid(int driverid)
+{
+ unsigned long flags;
+ capidrv_contr *p;
+
+ spin_lock_irqsave(&global_lock, flags);
+ for (p = global.contr_list; p; p = p->next)
+ if (p->myid == driverid)
+ break;
+ spin_unlock_irqrestore(&global_lock, flags);
+ return p;
+}
+
+static capidrv_contr *findcontrbynumber(u32 contr)
+{
+ unsigned long flags;
+ capidrv_contr *p = global.contr_list;
+
+ spin_lock_irqsave(&global_lock, flags);
+ for (p = global.contr_list; p; p = p->next)
+ if (p->contrnr == contr)
+ break;
+ spin_unlock_irqrestore(&global_lock, flags);
+ return p;
+}
+
+
+/* -------- plci management ------------------------------------------ */
+
+static capidrv_plci *new_plci(capidrv_contr *card, int chan)
+{
+ capidrv_plci *plcip;
+
+ plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC);
+
+ if (plcip == NULL)
+ return NULL;
+
+ 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 NULL;
+}
+
+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 NULL;
+}
+
+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 NULL;
+}
+
+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 = NULL;
+ card->bchans[plcip->chan].disconnecting = 0;
+ card->bchans[plcip->chan].incoming = 0;
+ kfree(plcip);
+ return;
+ }
+ }
+ printk(KERN_ERR "capidrv-%d: free_plci %p (0x%x) not found, Huh?\n",
+ card->contrnr, plcip, plcip->plci);
+}
+
+/* -------- ncci management ------------------------------------------ */
+
+static inline capidrv_ncci *new_ncci(capidrv_contr *card,
+ capidrv_plci *plcip,
+ u32 ncci)
+{
+ capidrv_ncci *nccip;
+
+ nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC);
+
+ if (nccip == NULL)
+ return NULL;
+
+ 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)) == NULL)
+ return NULL;
+
+ for (p = plcip->ncci_list; p; p = p->next)
+ if (p->ncci == ncci)
+ return p;
+ return NULL;
+}
+
+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)) == NULL)
+ return NULL;
+
+ for (p = plcip->ncci_list; p; p = p->next)
+ if (p->msgid == msgid)
+ return p;
+ return NULL;
+}
+
+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 = NULL;
+ kfree(nccip);
+}
+
+static int capidrv_add_ack(struct capidrv_ncci *nccip,
+ u16 datahandle, int len)
+{
+ struct ncci_datahandle_queue *n, **pp;
+
+ n = kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC);
+ if (!n) {
+ printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n");
+ return -1;
+ }
+ n->next = NULL;
+ n->datahandle = datahandle;
+ n->len = len;
+ for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next);
+ *pp = n;
+ return 0;
+}
+
+static int capidrv_del_ack(struct capidrv_ncci *nccip, u16 datahandle)
+{
+ struct ncci_datahandle_queue **pp, *p;
+ int len;
+
+ for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) {
+ if ((*pp)->datahandle == datahandle) {
+ p = *pp;
+ len = p->len;
+ *pp = (*pp)->next;
+ kfree(p);
+ return len;
+ }
+ }
+ return -1;
+}
+
+/* -------- convert and send capi message ---------------------------- */
+
+static void send_message(capidrv_contr *card, _cmsg *cmsg)
+{
+ struct sk_buff *skb;
+ size_t len;
+
+ if (capi_cmsg2message(cmsg, cmsg->buf)) {
+ printk(KERN_ERR "capidrv::send_message: parser failure\n");
+ return;
+ }
+ len = CAPIMSG_LEN(cmsg->buf);
+ skb = alloc_skb(len, GFP_ATOMIC);
+ if (!skb) {
+ printk(KERN_ERR "capidrv::send_message: can't allocate mem\n");
+ return;
+ }
+ memcpy(skb_put(skb, len), cmsg->buf, len);
+ if (capi20_put_message(&global.ap, skb) != CAPI_NOERROR)
+ kfree_skb(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-%d: listen_change_state %d -> %d\n",
+ card->contrnr, card->state, p->nextstate);
+ card->state = p->nextstate;
+ return;
+ }
+ p++;
+ }
+ printk(KERN_ERR "capidrv-%d: listen_change_state state=%d event=%d ????\n",
+ card->contrnr, card->state, event);
+
+}
+
+/* ------------------------------------------------------------------ */
+
+static void p0(capidrv_contr *card, capidrv_plci *plci)
+{
+ isdn_ctrl cmd;
+
+ card->bchans[plci->chan].contr = NULL;
+ 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, NULL},
+ {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, NULL},
+ {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, NULL},
+ {ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, NULL},
+ /* 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, NULL},
+ /* P-1 */
+ {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
+ {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
+ {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
+ {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ /* P-ACT */
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ {ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, NULL},
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, NULL},
+ /* P-2 */
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, NULL},
+ /* P-3 */
+ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL},
+ {ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
+ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
+ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
+ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ /* P-4 */
+ {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
+ {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
+ {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
+ {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ /* P-5 */
+ {ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ /* P-6 */
+ {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0},
+ /* P-0.Res */
+ {ST_PLCI_RESUMEING, ST_PLCI_NONE, EV_PLCI_RESUME_CONF_ERROR, p0},
+ {ST_PLCI_RESUMEING, ST_PLCI_RESUME, EV_PLCI_RESUME_CONF_OK, NULL},
+ /* P-RES */
+ {ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, NULL},
+ /* P-HELD */
+ {ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, NULL},
+ {},
+};
+
+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-%d: plci_change_state:0x%x %d -> %d\n",
+ card->contrnr, plci->plci, plci->state, p->nextstate);
+ plci->state = p->nextstate;
+ if (p->changefunc)
+ p->changefunc(card, plci);
+ return;
+ }
+ p++;
+ }
+ printk(KERN_ERR "capidrv-%d: plci_change_state:0x%x state=%d event=%d ????\n",
+ card->contrnr, 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.ap.applid,
+ card->msgid++,
+ ncci->plcip->plci,
+ NULL, /* BChannelinformation */
+ NULL, /* Keypadfacility */
+ NULL, /* Useruserdata */ /* $$$$ */
+ NULL /* Facilitydataarray */
+ );
+ plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ);
+ send_message(card, &cmsg);
+
+ 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, NULL},
+ {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, NULL},
+ /* N-0.1 */
+ {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, NULL},
+ {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0},
+ /* N-1 */
+ {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, NULL},
+ {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, NULL},
+ {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
+ {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
+ /* N-2 */
+ {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, NULL},
+ {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
+ {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
+ /* N-ACT */
+ {ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL},
+ {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, NULL},
+ {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
+ {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
+ /* N-3 */
+ {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL},
+ {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
+ {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
+ /* N-4 */
+ {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
+ {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR, NULL},
+ /* 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-%d: ncci_change_state:0x%x %d -> %d\n",
+ card->contrnr, 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-%d: ncci_change_state:0x%x state=%d event=%d ????\n",
+ card->contrnr, 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 == NULL) {
+ card->bchans[i].disconnecting = 0;
+ return i;
+ }
+ }
+ return -1;
+}
+
+/* ------------------------------------------------------------------- */
+static char *capi_info2str(u16 reason)
+{
+#ifndef CONFIG_ISDN_CAPI_CAPIDRV_VERBOSE
+ return "..";
+#else
+ switch (reason) {
+
+/*-- informative values (corresponding message was processed) -----*/
+ case 0x0001:
+ return "NCPI not supported by current protocol, NCPI ignored";
+ case 0x0002:
+ return "Flags not supported by current protocol, flags ignored";
+ case 0x0003:
+ return "Alert already sent by another application";
+
+/*-- error information concerning CAPI_REGISTER -----*/
+ case 0x1001:
+ return "Too many applications";
+ case 0x1002:
+ return "Logical block size too small, must be at least 128 Bytes";
+ case 0x1003:
+ return "Buffer exceeds 64 kByte";
+ case 0x1004:
+ return "Message buffer size too small, must be at least 1024 Bytes";
+ case 0x1005:
+ return "Max. number of logical connections not supported";
+ case 0x1006:
+ return "Reserved";
+ case 0x1007:
+ return "The message could not be accepted because of an internal busy condition";
+ case 0x1008:
+ return "OS resource error (no memory ?)";
+ case 0x1009:
+ return "CAPI not installed";
+ case 0x100A:
+ return "Controller does not support external equipment";
+ case 0x100B:
+ return "Controller does only support external equipment";
+
+/*-- error information concerning message exchange functions -----*/
+ case 0x1101:
+ return "Illegal application number";
+ case 0x1102:
+ return "Illegal command or subcommand or message length less than 12 bytes";
+ case 0x1103:
+ return "The message could not be accepted because of a queue full condition !! The error code does not imply that CAPI cannot receive messages directed to another controller, PLCI or NCCI";
+ case 0x1104:
+ return "Queue is empty";
+ case 0x1105:
+ return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE";
+ case 0x1106:
+ return "Unknown notification parameter";
+ case 0x1107:
+ return "The Message could not be accepted because of an internal busy condition";
+ case 0x1108:
+ return "OS Resource error (no memory ?)";
+ case 0x1109:
+ return "CAPI not installed";
+ case 0x110A:
+ return "Controller does not support external equipment";
+ case 0x110B:
+ return "Controller does only support external equipment";
+
+/*-- error information concerning resource / coding problems -----*/
+ case 0x2001:
+ return "Message not supported in current state";
+ case 0x2002:
+ return "Illegal Controller / PLCI / NCCI";
+ case 0x2003:
+ return "Out of PLCI";
+ case 0x2004:
+ return "Out of NCCI";
+ case 0x2005:
+ return "Out of LISTEN";
+ case 0x2006:
+ return "Out of FAX resources (protocol T.30)";
+ case 0x2007:
+ return "Illegal message parameter coding";
+
+/*-- error information concerning requested services -----*/
+ case 0x3001:
+ return "B1 protocol not supported";
+ case 0x3002:
+ return "B2 protocol not supported";
+ case 0x3003:
+ return "B3 protocol not supported";
+ case 0x3004:
+ return "B1 protocol parameter not supported";
+ case 0x3005:
+ return "B2 protocol parameter not supported";
+ case 0x3006:
+ return "B3 protocol parameter not supported";
+ case 0x3007:
+ return "B protocol combination not supported";
+ case 0x3008:
+ return "NCPI not supported";
+ case 0x3009:
+ return "CIP Value unknown";
+ case 0x300A:
+ return "Flags not supported (reserved bits)";
+ case 0x300B:
+ return "Facility not supported";
+ case 0x300C:
+ return "Data length not supported by current protocol";
+ case 0x300D:
+ return "Reset procedure not supported by current protocol";
+
+/*-- informations about the clearing of a physical connection -----*/
+ case 0x3301:
+ return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)";
+ case 0x3302:
+ return "Protocol error layer 2";
+ case 0x3303:
+ return "Protocol error layer 3";
+ case 0x3304:
+ return "Another application got that call";
+/*-- T.30 specific reasons -----*/
+ case 0x3311:
+ return "Connecting not successful (remote station is no FAX G3 machine)";
+ case 0x3312:
+ return "Connecting not successful (training error)";
+ case 0x3313:
+ return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)";
+ case 0x3314:
+ return "Disconnected during transfer (remote abort)";
+ case 0x3315:
+ return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)";
+ case 0x3316:
+ return "Disconnected during transfer (local tx data underrun)";
+ case 0x3317:
+ return "Disconnected during transfer (local rx data overflow)";
+ case 0x3318:
+ return "Disconnected during transfer (local abort)";
+ case 0x3319:
+ return "Illegal parameter coding (e.g. SFF coding error)";
+
+/*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/
+ case 0x3481: return "Unallocated (unassigned) number";
+ case 0x3482: return "No route to specified transit network";
+ case 0x3483: return "No route to destination";
+ case 0x3486: return "Channel unacceptable";
+ case 0x3487:
+ return "Call awarded and being delivered in an established channel";
+ case 0x3490: return "Normal call clearing";
+ case 0x3491: return "User busy";
+ case 0x3492: return "No user responding";
+ case 0x3493: return "No answer from user (user alerted)";
+ case 0x3495: return "Call rejected";
+ case 0x3496: return "Number changed";
+ case 0x349A: return "Non-selected user clearing";
+ case 0x349B: return "Destination out of order";
+ case 0x349C: return "Invalid number format";
+ case 0x349D: return "Facility rejected";
+ case 0x349E: return "Response to STATUS ENQUIRY";
+ case 0x349F: return "Normal, unspecified";
+ case 0x34A2: return "No circuit / channel available";
+ case 0x34A6: return "Network out of order";
+ case 0x34A9: return "Temporary failure";
+ case 0x34AA: return "Switching equipment congestion";
+ case 0x34AB: return "Access information discarded";
+ case 0x34AC: return "Requested circuit / channel not available";
+ case 0x34AF: return "Resources unavailable, unspecified";
+ case 0x34B1: return "Quality of service unavailable";
+ case 0x34B2: return "Requested facility not subscribed";
+ case 0x34B9: return "Bearer capability not authorized";
+ case 0x34BA: return "Bearer capability not presently available";
+ case 0x34BF: return "Service or option not available, unspecified";
+ case 0x34C1: return "Bearer capability not implemented";
+ case 0x34C2: return "Channel type not implemented";
+ case 0x34C5: return "Requested facility not implemented";
+ case 0x34C6: return "Only restricted digital information bearer capability is available";
+ case 0x34CF: return "Service or option not implemented, unspecified";
+ case 0x34D1: return "Invalid call reference value";
+ case 0x34D2: return "Identified channel does not exist";
+ case 0x34D3: return "A suspended call exists, but this call identity does not";
+ case 0x34D4: return "Call identity in use";
+ case 0x34D5: return "No call suspended";
+ case 0x34D6: return "Call having the requested call identity has been cleared";
+ case 0x34D8: return "Incompatible destination";
+ case 0x34DB: return "Invalid transit network selection";
+ case 0x34DF: return "Invalid message, unspecified";
+ case 0x34E0: return "Mandatory information element is missing";
+ case 0x34E1: return "Message type non-existent or not implemented";
+ case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented";
+ case 0x34E3: return "Information element non-existent or not implemented";
+ case 0x34E4: return "Invalid information element contents";
+ case 0x34E5: return "Message not compatible with call state";
+ case 0x34E6: return "Recovery on timer expiry";
+ case 0x34EF: return "Protocol error, unspecified";
+ case 0x34FF: return "Interworking, unspecified";
+
+ default: return "No additional information";
+ }
+#endif
+}
+
+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-%d: listenconf Info=0x%4x (%s) cipmask=0x%x\n",
+ card->contrnr, 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 */
+ if (cmsg->ManuID == 0x214D5641
+ && cmsg->Class == 0
+ && cmsg->Function == 1) {
+ u8 *data = cmsg->ManuData + 3;
+ u16 len = cmsg->ManuData[0];
+ u16 layer;
+ int direction;
+ if (len == 255) {
+ len = (cmsg->ManuData[1] | (cmsg->ManuData[2] << 8));
+ data += 2;
+ }
+ len -= 2;
+ layer = ((*(data - 1)) << 8) | *(data - 2);
+ if (layer & 0x300)
+ direction = (layer & 0x200) ? 0 : 1;
+ else direction = (layer & 0x800) ? 0 : 1;
+ if (layer & 0x0C00) {
+ if ((layer & 0xff) == 0x80) {
+ handle_dtrace_data(card, direction, 1, data, len);
+ break;
+ }
+ } else if ((layer & 0xff) < 0x80) {
+ handle_dtrace_data(card, direction, 0, data, len);
+ break;
+ }
+ printk(KERN_INFO "capidrv-%d: %s from controller 0x%x layer 0x%x, ignored\n",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController, layer);
+ break;
+ }
+ goto ignored;
+ case CAPI_MANUFACTURER_CONF: /* Controller */
+ if (cmsg->ManuID == 0x214D5641) {
+ char *s = NULL;
+ switch (cmsg->Class) {
+ case 0: break;
+ case 1: s = "unknown class"; break;
+ case 2: s = "unknown function"; break;
+ default: s = "unknown error"; break;
+ }
+ if (s)
+ printk(KERN_INFO "capidrv-%d: %s from controller 0x%x function %d: %s\n",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController,
+ cmsg->Function, s);
+ break;
+ }
+ 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-%d: got %s from controller 0x%x ???",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController);
+ }
+ return;
+
+ignored:
+ printk(KERN_INFO "capidrv-%d: %s from controller 0x%x ignored\n",
+ card->contrnr,
+ 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-%d: incoming call on not existing bchan ?\n", card->contrnr);
+ return;
+ }
+ bchan = &card->bchans[chan];
+ if ((plcip = new_plci(card, chan)) == NULL) {
+ printk(KERN_ERR "capidrv-%d: incoming call: no memory, sorry.\n", card->contrnr);
+ 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-%d: incoming call %s,%d,%d,%s\n",
+ card->contrnr,
+ cmd.parm.setup.phone,
+ cmd.parm.setup.si1,
+ cmd.parm.setup.si2,
+ cmd.parm.setup.eazmsn);
+
+ if (cmd.parm.setup.si1 == 1 && cmd.parm.setup.si2 != 0) {
+ printk(KERN_INFO "capidrv-%d: patching si2=%d to 0 for VBOX\n",
+ card->contrnr,
+ cmd.parm.setup.si2);
+ cmd.parm.setup.si2 = 0;
+ }
+
+ switch (card->interface.statcallb(&cmd)) {
+ case 0:
+ case 3:
+ /* 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 */
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
+ send_message(card, cmsg);
+ printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s ignored\n",
+ card->contrnr,
+ 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-%d: incoming call %s,%d,%d,%s tty alerting\n",
+ card->contrnr,
+ cmd.parm.setup.phone,
+ cmd.parm.setup.si1,
+ cmd.parm.setup.si2,
+ cmd.parm.setup.eazmsn);
+ capi_fill_ALERT_REQ(cmsg,
+ global.ap.applid,
+ card->msgid++,
+ plcip->plci, /* adr */
+ NULL,/* BChannelinformation */
+ NULL,/* Keypadfacility */
+ NULL,/* Useruserdata */
+ NULL /* Facilitydataarray */
+ );
+ plcip->msgid = cmsg->Messagenumber;
+ send_message(card, cmsg);
+ } else {
+ printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s on netdev\n",
+ card->contrnr,
+ 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 */
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
+ send_message(card, cmsg);
+ break;
+
+ default:
+ /* An error happened. (Invalid parameters for example.) */
+ capi_cmsg_answer(cmsg);
+ cmsg->Reject = 8; /* reject call,
+ destination out of order */
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
+ send_message(card, cmsg);
+ break;
+ }
+ return;
+}
+
+static void handle_plci(_cmsg *cmsg)
+{
+ capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
+ capidrv_plci *plcip;
+ isdn_ctrl cmd;
+ _cdebbuf *cdb;
+
+ 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-%d: %s reason 0x%x (%s) for plci 0x%x\n",
+ card->contrnr,
+ 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);
+ plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP);
+ send_message(card, cmsg);
+ break;
+
+ case CAPI_DISCONNECT_CONF: /* plci */
+ if (cmsg->Info) {
+ printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
+ card->contrnr,
+ 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-%d: %s info 0x%x (%s) for plci 0x%x\n",
+ card->contrnr,
+ 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-%d: %s info 0x%x (%s) for plci 0x%x\n",
+ card->contrnr,
+ 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);
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
+ send_message(card, cmsg);
+ } 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-%d: no mem for ncci, sorry\n", card->contrnr);
+ break; /* $$$$ */
+ }
+ capi_fill_CONNECT_B3_REQ(cmsg,
+ global.ap.applid,
+ card->msgid++,
+ plcip->plci, /* adr */
+ NULL /* NCPI */
+ );
+ nccip->msgid = cmsg->Messagenumber;
+ plci_change_state(card, plcip,
+ EV_PLCI_CONNECT_ACTIVE_IND);
+ ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ);
+ send_message(card, cmsg);
+ cmd.command = ISDN_STAT_DCONN;
+ cmd.driver = card->myid;
+ cmd.arg = plcip->chan;
+ card->interface.statcallb(&cmd);
+ }
+ 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;
+ }
+ }
+ cdb = capi_cmsg2str(cmsg);
+ if (cdb) {
+ printk(KERN_WARNING "capidrv-%d: %s\n",
+ card->contrnr, cdb->buf);
+ cdebbuf_free(cdb);
+ } else
+ printk(KERN_WARNING "capidrv-%d: CAPI_INFO_IND InfoNumber %x not handled\n",
+ card->contrnr, cmsg->InfoNumber);
+
+ 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-%d: got %s for plci 0x%x ???",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrPLCI);
+ }
+ return;
+ignored:
+ printk(KERN_INFO "capidrv-%d: %s for plci 0x%x ignored\n",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrPLCI);
+ return;
+notfound:
+ printk(KERN_ERR "capidrv-%d: %s: plci 0x%x not found\n",
+ card->contrnr,
+ 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;
+ int len;
+
+ 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);
+ ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND);
+ send_message(card, cmsg);
+
+ cmd.command = ISDN_STAT_BCONN;
+ cmd.driver = card->myid;
+ cmd.arg = nccip->chan;
+ card->interface.statcallb(&cmd);
+
+ printk(KERN_INFO "capidrv-%d: chan %d up with ncci 0x%x\n",
+ card->contrnr, 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.ap.applid,
+ card->msgid++,
+ nccip->ncci, /* adr */
+ 0, /* Reject */
+ NULL /* NCPI */
+ );
+ ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP);
+ send_message(card, cmsg);
+ break;
+ }
+ printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr);
+ } else {
+ printk(KERN_ERR "capidrv-%d: %s: plci for ncci 0x%x not found\n",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrNCCI);
+ }
+ capi_fill_CONNECT_B3_RESP(cmsg,
+ global.ap.applid,
+ card->msgid++,
+ cmsg->adr.adrNCCI,
+ 2, /* Reject */
+ NULL /* 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-%d: %s info 0x%x (%s) for ncci 0x%x\n",
+ card->contrnr,
+ 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 (cmsg->Info) {
+ printk(KERN_WARNING "CAPI_DATA_B3_CONF: Info %x - %s\n",
+ cmsg->Info, capi_info2str(cmsg->Info));
+ }
+ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
+ goto notfound;
+
+ len = capidrv_del_ack(nccip, cmsg->DataHandle);
+ if (len < 0)
+ break;
+ cmd.command = ISDN_STAT_BSENT;
+ cmd.driver = card->myid;
+ cmd.arg = nccip->chan;
+ cmd.parm.length = len;
+ 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);
+ ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP);
+ send_message(card, cmsg);
+ break;
+
+ case CAPI_DISCONNECT_B3_CONF: /* ncci */
+ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
+ goto notfound;
+ if (cmsg->Info) {
+ printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n",
+ card->contrnr,
+ 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 */
+ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
+ goto notfound;
+ ncci_change_state(card, nccip, EV_NCCI_RESET_B3_IND);
+ 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-%d: got %s for ncci 0x%x ???",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrNCCI);
+ }
+ return;
+ignored:
+ printk(KERN_INFO "capidrv-%d: %s for ncci 0x%x ignored\n",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrNCCI);
+ return;
+notfound:
+ printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n",
+ card->contrnr,
+ 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);
+ kfree_skb(skb);
+ return;
+ }
+ if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) {
+ printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrNCCI);
+ kfree_skb(skb);
+ 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_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
+{
+ if (capi_message2cmsg(&s_cmsg, skb->data)) {
+ printk(KERN_ERR "capidrv: applid=%d: received invalid message\n",
+ ap->applid);
+ kfree_skb(skb);
+ return;
+ }
+ if (debugmode > 3) {
+ _cdebbuf *cdb = capi_cmsg2str(&s_cmsg);
+
+ if (cdb) {
+ printk(KERN_DEBUG "%s: applid=%d %s\n", __func__,
+ ap->applid, cdb->buf);
+ cdebbuf_free(cdb);
+ } else
+ printk(KERN_DEBUG "%s: applid=%d %s not traced\n",
+ __func__, ap->applid,
+ capi_cmd2str(s_cmsg.Command, s_cmsg.Subcommand));
+ }
+ if (s_cmsg.Command == CAPI_DATA_B3
+ && s_cmsg.Subcommand == CAPI_IND) {
+ handle_data(&s_cmsg, skb);
+ return;
+ }
+ 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);
+ /*
+ * data of skb used in s_cmsg,
+ * free data when s_cmsg is not used again
+ * thanks to Lars Heete <hel@admin.de>
+ */
+ kfree_skb(skb);
+}
+
+/* ------------------------------------------------------------------- */
+
+#define PUTBYTE_TO_STATUS(card, byte) \
+ do { \
+ *(card)->q931_write++ = (byte); \
+ if ((card)->q931_write > (card)->q931_end) \
+ (card)->q931_write = (card)->q931_buf; \
+ } while (0)
+
+static void handle_dtrace_data(capidrv_contr *card,
+ int send, int level2, u8 *data, u16 len)
+{
+ u8 *p, *end;
+ isdn_ctrl cmd;
+
+ if (!len) {
+ printk(KERN_DEBUG "capidrv-%d: avmb1_q931_data: len == %d\n",
+ card->contrnr, len);
+ return;
+ }
+
+ if (level2) {
+ PUTBYTE_TO_STATUS(card, 'D');
+ PUTBYTE_TO_STATUS(card, '2');
+ PUTBYTE_TO_STATUS(card, send ? '>' : '<');
+ PUTBYTE_TO_STATUS(card, ':');
+ } else {
+ PUTBYTE_TO_STATUS(card, 'D');
+ PUTBYTE_TO_STATUS(card, '3');
+ PUTBYTE_TO_STATUS(card, send ? '>' : '<');
+ PUTBYTE_TO_STATUS(card, ':');
+ }
+
+ for (p = data, end = data + len; p < end; p++) {
+ PUTBYTE_TO_STATUS(card, ' ');
+ PUTBYTE_TO_STATUS(card, hex_asc_hi(*p));
+ PUTBYTE_TO_STATUS(card, hex_asc_lo(*p));
+ }
+ PUTBYTE_TO_STATUS(card, '\n');
+
+ cmd.command = ISDN_STAT_STAVAIL;
+ cmd.driver = card->myid;
+ cmd.arg = len * 3 + 5;
+ card->interface.statcallb(&cmd);
+}
+
+/* ------------------------------------------------------------------- */
+
+static _cmsg cmdcmsg;
+
+static int capidrv_ioctl(isdn_ctrl *c, capidrv_contr *card)
+{
+ switch (c->arg) {
+ case 1:
+ debugmode = (int)(*((unsigned int *)c->parm.num));
+ printk(KERN_DEBUG "capidrv-%d: debugmode=%d\n",
+ card->contrnr, debugmode);
+ return 0;
+ default:
+ printk(KERN_DEBUG "capidrv-%d: capidrv_ioctl(%ld) called ??\n",
+ card->contrnr, c->arg);
+ return -EINVAL;
+ }
+ return -EINVAL;
+}
+
+/*
+ * Handle leased lines (CAPI-Bundling)
+ */
+
+struct internal_bchannelinfo {
+ unsigned short channelalloc;
+ unsigned short operation;
+ unsigned char cmask[31];
+};
+
+static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep)
+{
+ unsigned long bmask = 0;
+ int active = !0;
+ char *s;
+ int i;
+
+ if (strncmp(teln, "FV:", 3) != 0)
+ return 1;
+ s = teln + 3;
+ while (*s && *s == ' ') s++;
+ if (!*s) return -2;
+ if (*s == 'p' || *s == 'P') {
+ active = 0;
+ s++;
+ }
+ if (*s == 'a' || *s == 'A') {
+ active = !0;
+ s++;
+ }
+ while (*s) {
+ int digit1 = 0;
+ int digit2 = 0;
+ char *endp;
+
+ digit1 = simple_strtoul(s, &endp, 10);
+ if (s == endp)
+ return -3;
+ s = endp;
+
+ if (digit1 <= 0 || digit1 > 30) return -4;
+ if (*s == 0 || *s == ',' || *s == ' ') {
+ bmask |= (1 << digit1);
+ digit1 = 0;
+ if (*s) s++;
+ continue;
+ }
+ if (*s != '-') return -5;
+ s++;
+
+ digit2 = simple_strtoul(s, &endp, 10);
+ if (s == endp)
+ return -3;
+ s = endp;
+
+ if (digit2 <= 0 || digit2 > 30) return -4;
+ if (*s == 0 || *s == ',' || *s == ' ') {
+ if (digit1 > digit2)
+ for (i = digit2; i <= digit1; i++)
+ bmask |= (1 << i);
+ else
+ for (i = digit1; i <= digit2; i++)
+ bmask |= (1 << i);
+ digit1 = digit2 = 0;
+ if (*s) s++;
+ continue;
+ }
+ return -6;
+ }
+ if (activep) *activep = active;
+ if (bmaskp) *bmaskp = bmask;
+ return 0;
+}
+
+static int FVteln2capi20(char *teln, u8 AdditionalInfo[1 + 2 + 2 + 31])
+{
+ unsigned long bmask;
+ int active;
+ int rc, i;
+
+ rc = decodeFVteln(teln, &bmask, &active);
+ if (rc) return rc;
+ /* Length */
+ AdditionalInfo[0] = 2 + 2 + 31;
+ /* Channel: 3 => use channel allocation */
+ AdditionalInfo[1] = 3; AdditionalInfo[2] = 0;
+ /* Operation: 0 => DTE mode, 1 => DCE mode */
+ if (active) {
+ AdditionalInfo[3] = 0; AdditionalInfo[4] = 0;
+ } else {
+ AdditionalInfo[3] = 1; AdditionalInfo[4] = 0;
+ }
+ /* Channel mask array */
+ AdditionalInfo[5] = 0; /* no D-Channel */
+ for (i = 1; i <= 30; i++)
+ AdditionalInfo[5 + i] = (bmask & (1 << i)) ? 0xff : 0;
+ return 0;
+}
+
+static int capidrv_command(isdn_ctrl *c, capidrv_contr *card)
+{
+ isdn_ctrl cmd;
+ struct capidrv_bchan *bchan;
+ struct capidrv_plci *plcip;
+ u8 AdditionalInfo[1 + 2 + 2 + 31];
+ int rc, isleasedline = 0;
+
+ 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-%d: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n",
+ card->contrnr,
+ 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-%d: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n",
+ card->contrnr,
+ 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));
+ rc = FVteln2capi20(bchan->num, AdditionalInfo);
+ isleasedline = (rc == 0);
+ if (rc < 0)
+ printk(KERN_ERR "capidrv-%d: WARNING: invalid leased linedefinition \"%s\"\n", card->contrnr, bchan->num);
+
+ if (isleasedline) {
+ calling[0] = 0;
+ called[0] = 0;
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: connecting leased line\n", card->contrnr);
+ } else {
+ 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.ap.applid,
+ card->msgid++,
+ card->contrnr, /* adr */
+ si2cip(bchan->si1, bchan->si2), /* cipvalue */
+ called, /* CalledPartyNumber */
+ calling, /* CallingPartyNumber */
+ NULL, /* CalledPartySubaddress */
+ NULL, /* CallingPartySubaddress */
+ b1prot(bchan->l2, bchan->l3), /* B1protocol */
+ b2prot(bchan->l2, bchan->l3), /* B2protocol */
+ b3prot(bchan->l2, bchan->l3), /* B3protocol */
+ b1config(bchan->l2, bchan->l3), /* B1configuration */
+ NULL, /* B2configuration */
+ NULL, /* B3configuration */
+ NULL, /* BC */
+ NULL, /* LLC */
+ NULL, /* HLC */
+ /* BChannelinformation */
+ isleasedline ? AdditionalInfo : NULL,
+ NULL, /* Keypadfacility */
+ NULL, /* Useruserdata */
+ NULL /* Facilitydataarray */
+ );
+ if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) {
+ 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;
+ plcip->leasedline = isleasedline;
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ);
+ send_message(card, &cmdcmsg);
+ return 0;
+ }
+
+ case ISDN_CMD_ACCEPTD:
+
+ bchan = &card->bchans[c->arg % card->nbchan];
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTD(ch=%ld) l2=%d l3=%d\n",
+ card->contrnr,
+ c->arg, bchan->l2, bchan->l3);
+
+ capi_fill_CONNECT_RESP(&cmdcmsg,
+ global.ap.applid,
+ 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 */
+ b1config(bchan->l2, bchan->l3), /* B1configuration */
+ NULL, /* B2configuration */
+ NULL, /* B3configuration */
+ NULL, /* ConnectedNumber */
+ NULL, /* ConnectedSubaddress */
+ NULL, /* LLC */
+ NULL, /* BChannelinformation */
+ NULL, /* Keypadfacility */
+ NULL, /* Useruserdata */
+ NULL /* Facilitydataarray */
+ );
+ if (capi_cmsg2message(&cmdcmsg, cmdcmsg.buf)) {
+ printk(KERN_ERR "capidrv-%d: capidrv_command: parser failure\n",
+ card->contrnr);
+ return -EINVAL;
+ }
+ 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-%d: ISDN_CMD_ACCEPTB(ch=%ld)\n",
+ card->contrnr,
+ c->arg);
+ return -ENOSYS;
+
+ case ISDN_CMD_HANGUP:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_HANGUP(ch=%ld)\n",
+ card->contrnr,
+ c->arg);
+ bchan = &card->bchans[c->arg % card->nbchan];
+
+ if (bchan->disconnecting) {
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: chan %ld already disconnecting ...\n",
+ card->contrnr,
+ c->arg);
+ return 0;
+ }
+ if (bchan->nccip) {
+ bchan->disconnecting = 1;
+ capi_fill_DISCONNECT_B3_REQ(&cmdcmsg,
+ global.ap.applid,
+ card->msgid++,
+ bchan->nccip->ncci,
+ NULL /* NCPI */
+ );
+ ncci_change_state(card, bchan->nccip, EV_NCCI_DISCONNECT_B3_REQ);
+ send_message(card, &cmdcmsg);
+ return 0;
+ } else if (bchan->plcip) {
+ 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
+ */
+ bchan->disconnecting = 1;
+ return 0;
+ } else if (bchan->plcip->plci) {
+ bchan->disconnecting = 1;
+ capi_fill_DISCONNECT_REQ(&cmdcmsg,
+ global.ap.applid,
+ card->msgid++,
+ bchan->plcip->plci,
+ NULL, /* BChannelinformation */
+ NULL, /* Keypadfacility */
+ NULL, /* Useruserdata */
+ NULL /* Facilitydataarray */
+ );
+ plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ);
+ send_message(card, &cmdcmsg);
+ return 0;
+ } else {
+ printk(KERN_ERR "capidrv-%d: chan %ld disconnect request while waiting for CONNECT_CONF\n",
+ card->contrnr,
+ c->arg);
+ return -EINVAL;
+ }
+ }
+ printk(KERN_ERR "capidrv-%d: chan %ld disconnect request on free channel\n",
+ card->contrnr,
+ c->arg);
+ return -EINVAL;
+/* ready */
+
+ case ISDN_CMD_SETL2:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: set L2 on chan %ld to %ld\n",
+ card->contrnr,
+ (c->arg & 0xff), (c->arg >> 8));
+ bchan = &card->bchans[(c->arg & 0xff) % card->nbchan];
+ bchan->l2 = (c->arg >> 8);
+ return 0;
+
+ case ISDN_CMD_SETL3:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: set L3 on chan %ld to %ld\n",
+ card->contrnr,
+ (c->arg & 0xff), (c->arg >> 8));
+ bchan = &card->bchans[(c->arg & 0xff) % card->nbchan];
+ bchan->l3 = (c->arg >> 8);
+ return 0;
+
+ case ISDN_CMD_SETEAZ:
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: set EAZ \"%s\" on chan %ld\n",
+ card->contrnr,
+ 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-%d: clearing EAZ on chan %ld\n",
+ card->contrnr, c->arg);
+ bchan = &card->bchans[c->arg % card->nbchan];
+ bchan->msn[0] = 0;
+ return 0;
+
+ default:
+ printk(KERN_ERR "capidrv-%d: ISDN_CMD_%d, Huh?\n",
+ card->contrnr, 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, int doack, struct sk_buff *skb)
+{
+ capidrv_contr *card = findcontrbydriverid(id);
+ capidrv_bchan *bchan;
+ capidrv_ncci *nccip;
+ int len = skb->len;
+ int msglen;
+ u16 errcode;
+ u16 datahandle;
+ u32 data;
+
+ if (!card) {
+ printk(KERN_ERR "capidrv: if_sendbuf called with invalid driverId %d!\n",
+ id);
+ return 0;
+ }
+ if (debugmode > 4)
+ printk(KERN_DEBUG "capidrv-%d: sendbuf len=%d skb=%p doack=%d\n",
+ card->contrnr, len, skb, doack);
+ bchan = &card->bchans[channel % card->nbchan];
+ nccip = bchan->nccip;
+ if (!nccip || nccip->state != ST_NCCI_ACTIVE) {
+ printk(KERN_ERR "capidrv-%d: if_sendbuf: %s:%d: chan not up!\n",
+ card->contrnr, card->name, channel);
+ return 0;
+ }
+ datahandle = nccip->datahandle;
+
+ /*
+ * Here we copy pointer skb->data into the 32-bit 'Data' field.
+ * The 'Data' field is not used in practice in linux kernel
+ * (neither in 32 or 64 bit), but should have some value,
+ * since a CAPI message trace will display it.
+ *
+ * The correct value in the 32 bit case is the address of the
+ * data, in 64 bit it makes no sense, we use 0 there.
+ */
+
+#ifdef CONFIG_64BIT
+ data = 0;
+#else
+ data = (unsigned long) skb->data;
+#endif
+
+ capi_fill_DATA_B3_REQ(&sendcmsg, global.ap.applid, card->msgid++,
+ nccip->ncci, /* adr */
+ data, /* Data */
+ skb->len, /* DataLength */
+ datahandle, /* DataHandle */
+ 0 /* Flags */
+ );
+
+ if (capidrv_add_ack(nccip, datahandle, doack ? (int)skb->len : -1) < 0)
+ return 0;
+
+ if (capi_cmsg2message(&sendcmsg, sendcmsg.buf)) {
+ printk(KERN_ERR "capidrv-%d: if_sendbuf: parser failure\n",
+ card->contrnr);
+ return -EINVAL;
+ }
+ msglen = CAPIMSG_LEN(sendcmsg.buf);
+ if (skb_headroom(skb) < msglen) {
+ struct sk_buff *nskb = skb_realloc_headroom(skb, msglen);
+ if (!nskb) {
+ printk(KERN_ERR "capidrv-%d: if_sendbuf: no memory\n",
+ card->contrnr);
+ (void)capidrv_del_ack(nccip, datahandle);
+ return 0;
+ }
+ printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom, need %d\n",
+ card->contrnr, skb_headroom(skb), msglen);
+ memcpy(skb_push(nskb, msglen), sendcmsg.buf, msglen);
+ errcode = capi20_put_message(&global.ap, nskb);
+ if (errcode == CAPI_NOERROR) {
+ dev_kfree_skb(skb);
+ nccip->datahandle++;
+ return len;
+ }
+ if (debugmode > 3)
+ printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n",
+ card->contrnr, errcode, capi_info2str(errcode));
+ (void)capidrv_del_ack(nccip, datahandle);
+ dev_kfree_skb(nskb);
+ return errcode == CAPI_SENDQUEUEFULL ? 0 : -1;
+ } else {
+ memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen);
+ errcode = capi20_put_message(&global.ap, skb);
+ if (errcode == CAPI_NOERROR) {
+ nccip->datahandle++;
+ return len;
+ }
+ if (debugmode > 3)
+ printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n",
+ card->contrnr, errcode, capi_info2str(errcode));
+ skb_pull(skb, msglen);
+ (void)capidrv_del_ack(nccip, datahandle);
+ return errcode == CAPI_SENDQUEUEFULL ? 0 : -1;
+ }
+}
+
+static int if_readstat(u8 __user *buf, int len, int id, int channel)
+{
+ capidrv_contr *card = findcontrbydriverid(id);
+ int count;
+ u8 __user *p;
+
+ if (!card) {
+ printk(KERN_ERR "capidrv: if_readstat called with invalid driverId %d!\n",
+ id);
+ return -ENODEV;
+ }
+
+ for (p = buf, count = 0; count < len; p++, count++) {
+ if (put_user(*card->q931_read++, p))
+ return -EFAULT;
+ if (card->q931_read > card->q931_end)
+ card->q931_read = card->q931_buf;
+ }
+ return count;
+
+}
+
+static void enable_dchannel_trace(capidrv_contr *card)
+{
+ u8 manufacturer[CAPI_MANUFACTURER_LEN];
+ capi_version version;
+ u16 contr = card->contrnr;
+ u16 errcode;
+ u16 avmversion[3];
+
+ errcode = capi20_get_manufacturer(contr, manufacturer);
+ if (errcode != CAPI_NOERROR) {
+ printk(KERN_ERR "%s: can't get manufacturer (0x%x)\n",
+ card->name, errcode);
+ return;
+ }
+ if (strstr(manufacturer, "AVM") == NULL) {
+ printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n",
+ card->name, manufacturer);
+ return;
+ }
+ errcode = capi20_get_version(contr, &version);
+ if (errcode != CAPI_NOERROR) {
+ printk(KERN_ERR "%s: can't get version (0x%x)\n",
+ card->name, errcode);
+ return;
+ }
+ avmversion[0] = (version.majormanuversion >> 4) & 0x0f;
+ avmversion[1] = (version.majormanuversion << 4) & 0xf0;
+ avmversion[1] |= (version.minormanuversion >> 4) & 0x0f;
+ avmversion[2] |= version.minormanuversion & 0x0f;
+
+ if (avmversion[0] > 3 || (avmversion[0] == 3 && avmversion[1] > 5)) {
+ printk(KERN_INFO "%s: D2 trace enabled\n", card->name);
+ capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid,
+ card->msgid++,
+ contr,
+ 0x214D5641, /* ManuID */
+ 0, /* Class */
+ 1, /* Function */
+ (_cstruct)"\004\200\014\000\000");
+ } else {
+ printk(KERN_INFO "%s: D3 trace enabled\n", card->name);
+ capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid,
+ card->msgid++,
+ contr,
+ 0x214D5641, /* ManuID */
+ 0, /* Class */
+ 1, /* Function */
+ (_cstruct)"\004\002\003\000\000");
+ }
+ send_message(card, &cmdcmsg);
+}
+
+
+static void send_listen(capidrv_contr *card)
+{
+ capi_fill_LISTEN_REQ(&cmdcmsg, global.ap.applid,
+ card->msgid++,
+ card->contrnr, /* controller */
+ 1 << 6, /* Infomask */
+ card->cipmask,
+ card->cipmask2,
+ NULL, NULL);
+ listen_change_state(card, EV_LISTEN_REQ);
+ send_message(card, &cmdcmsg);
+}
+
+static void listentimerfunc(unsigned long x)
+{
+ capidrv_contr *card = (capidrv_contr *)x;
+ if (card->state != ST_LISTEN_NONE && card->state != ST_LISTEN_ACTIVE)
+ printk(KERN_ERR "%s: controller dead ??\n", card->name);
+ send_listen(card);
+ mod_timer(&card->listentimer, jiffies + 60 * HZ);
+}
+
+
+static int capidrv_addcontr(u16 contr, struct capi_profile *profp)
+{
+ capidrv_contr *card;
+ unsigned long flags;
+ isdn_ctrl cmd;
+ char id[20];
+ int i;
+
+ sprintf(id, "capidrv-%d", contr);
+ if (!try_module_get(THIS_MODULE)) {
+ printk(KERN_WARNING "capidrv: (%s) Could not reserve module\n", id);
+ return -1;
+ }
+ if (!(card = kzalloc(sizeof(capidrv_contr), GFP_ATOMIC))) {
+ printk(KERN_WARNING
+ "capidrv: (%s) Could not allocate contr-struct.\n", id);
+ return -1;
+ }
+ card->owner = THIS_MODULE;
+ init_timer(&card->listentimer);
+ strcpy(card->name, id);
+ card->contrnr = contr;
+ card->nbchan = profp->nbchannel;
+ card->bchans = kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC);
+ if (!card->bchans) {
+ printk(KERN_WARNING
+ "capidrv: (%s) Could not allocate bchan-structs.\n", id);
+ module_put(card->owner);
+ 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 = NULL;
+ card->interface.readstat = if_readstat;
+ card->interface.features =
+ ISDN_FEATURE_L2_HDLC |
+ ISDN_FEATURE_L2_TRANS |
+ ISDN_FEATURE_L3_TRANS |
+ ISDN_FEATURE_P_UNKNOWN |
+ ISDN_FEATURE_L2_X75I |
+ ISDN_FEATURE_L2_X75UI |
+ ISDN_FEATURE_L2_X75BUI;
+ if (profp->support1 & (1 << 2))
+ card->interface.features |=
+ ISDN_FEATURE_L2_V11096 |
+ ISDN_FEATURE_L2_V11019 |
+ ISDN_FEATURE_L2_V11038;
+ if (profp->support1 & (1 << 8))
+ card->interface.features |= ISDN_FEATURE_L2_MODEM;
+ card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */
+ strncpy(card->interface.id, id, sizeof(card->interface.id) - 1);
+
+
+ card->q931_read = card->q931_buf;
+ card->q931_write = card->q931_buf;
+ card->q931_end = card->q931_buf + sizeof(card->q931_buf) - 1;
+
+ if (!register_isdn(&card->interface)) {
+ printk(KERN_ERR "capidrv: Unable to register contr %s\n", id);
+ kfree(card->bchans);
+ module_put(card->owner);
+ 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;
+ }
+
+ spin_lock_irqsave(&global_lock, flags);
+ card->next = global.contr_list;
+ global.contr_list = card;
+ global.ncontr++;
+ spin_unlock_irqrestore(&global_lock, flags);
+
+ cmd.command = ISDN_STAT_RUN;
+ cmd.driver = card->myid;
+ card->interface.statcallb(&cmd);
+
+ card->cipmask = 0x1FFF03FF; /* any */
+ card->cipmask2 = 0;
+
+ card->listentimer.data = (unsigned long)card;
+ card->listentimer.function = listentimerfunc;
+ send_listen(card);
+ mod_timer(&card->listentimer, jiffies + 60 * HZ);
+
+ printk(KERN_INFO "%s: now up (%d B channels)\n",
+ card->name, card->nbchan);
+
+ enable_dchannel_trace(card);
+
+ return 0;
+}
+
+static int capidrv_delcontr(u16 contr)
+{
+ capidrv_contr **pp, *card;
+ unsigned long flags;
+ isdn_ctrl cmd;
+
+ spin_lock_irqsave(&global_lock, flags);
+ for (card = global.contr_list; card; card = card->next) {
+ if (card->contrnr == contr)
+ break;
+ }
+ if (!card) {
+ spin_unlock_irqrestore(&global_lock, flags);
+ printk(KERN_ERR "capidrv: delcontr: no contr %u\n", contr);
+ return -1;
+ }
+
+ /* FIXME: maybe a race condition the card should be removed
+ * here from global list /kkeil
+ */
+ spin_unlock_irqrestore(&global_lock, flags);
+
+ del_timer(&card->listentimer);
+
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: id=%d unloading\n",
+ card->contrnr, card->myid);
+
+ cmd.command = ISDN_STAT_STOP;
+ cmd.driver = card->myid;
+ card->interface.statcallb(&cmd);
+
+ while (card->nbchan) {
+
+ cmd.command = ISDN_STAT_DISCH;
+ cmd.driver = card->myid;
+ cmd.arg = card->nbchan - 1;
+ cmd.parm.num[0] = 0;
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: id=%d disable chan=%ld\n",
+ card->contrnr, card->myid, cmd.arg);
+ card->interface.statcallb(&cmd);
+
+ if (card->bchans[card->nbchan - 1].nccip)
+ free_ncci(card, card->bchans[card->nbchan - 1].nccip);
+ if (card->bchans[card->nbchan - 1].plcip)
+ free_plci(card, card->bchans[card->nbchan - 1].plcip);
+ if (card->plci_list)
+ printk(KERN_ERR "capidrv: bug in free_plci()\n");
+ card->nbchan--;
+ }
+ kfree(card->bchans);
+ card->bchans = NULL;
+
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: id=%d isdn unload\n",
+ card->contrnr, card->myid);
+
+ cmd.command = ISDN_STAT_UNLOAD;
+ cmd.driver = card->myid;
+ card->interface.statcallb(&cmd);
+
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: id=%d remove contr from list\n",
+ card->contrnr, card->myid);
+
+ spin_lock_irqsave(&global_lock, flags);
+ for (pp = &global.contr_list; *pp; pp = &(*pp)->next) {
+ if (*pp == card) {
+ *pp = (*pp)->next;
+ card->next = NULL;
+ global.ncontr--;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&global_lock, flags);
+
+ module_put(card->owner);
+ printk(KERN_INFO "%s: now down.\n", card->name);
+ kfree(card);
+ return 0;
+}
+
+
+static int
+lower_callback(struct notifier_block *nb, unsigned long val, void *v)
+{
+ capi_profile profile;
+ u32 contr = (long)v;
+
+ switch (val) {
+ case CAPICTR_UP:
+ printk(KERN_INFO "capidrv: controller %hu up\n", contr);
+ if (capi20_get_profile(contr, &profile) == CAPI_NOERROR)
+ (void) capidrv_addcontr(contr, &profile);
+ break;
+ case CAPICTR_DOWN:
+ printk(KERN_INFO "capidrv: controller %hu down\n", contr);
+ (void) capidrv_delcontr(contr);
+ break;
+ }
+ return NOTIFY_OK;
+}
+
+/*
+ * /proc/capi/capidrv:
+ * nrecvctlpkt nrecvdatapkt nsendctlpkt nsenddatapkt
+ */
+static int capidrv_proc_show(struct seq_file *m, void *v)
+{
+ seq_printf(m, "%lu %lu %lu %lu\n",
+ global.ap.nrecvctlpkt,
+ global.ap.nrecvdatapkt,
+ global.ap.nsentctlpkt,
+ global.ap.nsentdatapkt);
+ return 0;
+}
+
+static int capidrv_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, capidrv_proc_show, NULL);
+}
+
+static const struct file_operations capidrv_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = capidrv_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static void __init proc_init(void)
+{
+ proc_create("capi/capidrv", 0, NULL, &capidrv_proc_fops);
+}
+
+static void __exit proc_exit(void)
+{
+ remove_proc_entry("capi/capidrv", NULL);
+}
+
+static struct notifier_block capictr_nb = {
+ .notifier_call = lower_callback,
+};
+
+static int __init capidrv_init(void)
+{
+ capi_profile profile;
+ u32 ncontr, contr;
+ u16 errcode;
+
+ global.ap.rparam.level3cnt = -2; /* number of bchannels twice */
+ global.ap.rparam.datablkcnt = 16;
+ global.ap.rparam.datablklen = 2048;
+
+ global.ap.recv_message = capidrv_recv_message;
+ errcode = capi20_register(&global.ap);
+ if (errcode) {
+ return -EIO;
+ }
+
+ register_capictr_notifier(&capictr_nb);
+
+ errcode = capi20_get_profile(0, &profile);
+ if (errcode != CAPI_NOERROR) {
+ unregister_capictr_notifier(&capictr_nb);
+ capi20_release(&global.ap);
+ return -EIO;
+ }
+
+ ncontr = profile.ncontroller;
+ for (contr = 1; contr <= ncontr; contr++) {
+ errcode = capi20_get_profile(contr, &profile);
+ if (errcode != CAPI_NOERROR)
+ continue;
+ (void) capidrv_addcontr(contr, &profile);
+ }
+ proc_init();
+
+ return 0;
+}
+
+static void __exit capidrv_exit(void)
+{
+ unregister_capictr_notifier(&capictr_nb);
+ capi20_release(&global.ap);
+
+ proc_exit();
+}
+
+module_init(capidrv_init);
+module_exit(capidrv_exit);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-01 09:55:52 +0000