void B1_send_message(unsigned short port, struct sk_buff *skb)
{
unsigned long flags;
__u16 len = CAPIMSG_LEN(skb->data);
__u8 cmd = CAPIMSG_COMMAND(skb->data);
__u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
__u32 contr = CAPIMSG_CONTROL(skb->data);
if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
__u16 dlen = CAPIMSG_DATALEN(skb->data);
if (showcapimsgs > 2) {
if (showcapimsgs & 1) {
printk(KERN_DEBUG "b1lli: Put [0x%lx] id#%d %s len=%u\n",
(unsigned long) contr,
CAPIMSG_APPID(skb->data),
capi_cmd2str(cmd, subcmd), len);
} else {
printk(KERN_DEBUG "b1lli: Put [0x%lx] %s\n",
(unsigned long) contr,
capi_message2str(skb->data));
}
}
save_flags(flags);
cli();
B1_put_byte(port, SEND_DATA_B3_REQ);
B1_put_slice(port, skb->data, len);
B1_put_slice(port, skb->data + len, dlen);
restore_flags(flags);
} else {
if (showcapimsgs) {
if (showcapimsgs & 1) {
printk(KERN_DEBUG "b1lli: Put [0x%lx] id#%d %s len=%u\n",
(unsigned long) contr,
CAPIMSG_APPID(skb->data),
capi_cmd2str(cmd, subcmd), len);
} else {
printk(KERN_DEBUG "b1lli: Put [0x%lx] %s\n", (unsigned long)contr, capi_message2str(skb->data));
}
}
save_flags(flags);
cli();
B1_put_byte(port, SEND_MESSAGE);
B1_put_slice(port, skb->data, len);
restore_flags(flags);
}
dev_kfree_skb(skb, FREE_WRITE);
}
static void capi_signal(__u16 applid, void *param)
{
struct capidev *cdev = (struct capidev *)param;
#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
struct capiminor *mp;
__u16 datahandle;
#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
struct capincci *np;
struct sk_buff *skb = 0;
__u32 ncci;
(void) (*capifuncs->capi_get_message) (applid, &skb);
if (!skb) {
printk(KERN_ERR "BUG: capi_signal: no skb\n");
return;
}
if (CAPIMSG_COMMAND(skb->data) != CAPI_DATA_B3) {
skb_queue_tail(&cdev->recvqueue, skb);
wake_up_interruptible(&cdev->recvwait);
return;
}
ncci = CAPIMSG_CONTROL(skb->data);
for (np = cdev->nccis; np && np->ncci != ncci; np = np->next)
;
if (!np) {
printk(KERN_ERR "BUG: capi_signal: ncci not found\n");
skb_queue_tail(&cdev->recvqueue, skb);
wake_up_interruptible(&cdev->recvwait);
return;
}
#ifndef CONFIG_ISDN_CAPI_MIDDLEWARE
skb_queue_tail(&cdev->recvqueue, skb);
wake_up_interruptible(&cdev->recvwait);
#else /* CONFIG_ISDN_CAPI_MIDDLEWARE */
mp = np->minorp;
if (!mp) {
skb_queue_tail(&cdev->recvqueue, skb);
wake_up_interruptible(&cdev->recvwait);
return;
}
if (CAPIMSG_SUBCOMMAND(skb->data) == CAPI_IND) {
datahandle = CAPIMSG_U16(skb->data, CAPIMSG_BASELEN+4+4+2);
#ifdef _DEBUG_DATAFLOW
printk(KERN_DEBUG "capi_signal: DATA_B3_IND %u len=%d\n",
datahandle, skb->len-CAPIMSG_LEN(skb->data));
#endif
skb_queue_tail(&mp->inqueue, skb);
mp->inbytes += skb->len;
handle_minor_recv(mp);
} else if (CAPIMSG_SUBCOMMAND(skb->data) == CAPI_CONF) {
datahandle = CAPIMSG_U16(skb->data, CAPIMSG_BASELEN+4);
#ifdef _DEBUG_DATAFLOW
printk(KERN_DEBUG "capi_signal: DATA_B3_CONF %u 0x%x\n",
datahandle,
CAPIMSG_U16(skb->data, CAPIMSG_BASELEN+4+2));
#endif
kfree_skb(skb);
(void)capiminor_del_ack(mp, datahandle);
if (mp->tty) {
if (mp->tty->ldisc.write_wakeup)
mp->tty->ldisc.write_wakeup(mp->tty);
} else {
wake_up_interruptible(&mp->sendwait);
}
(void)handle_minor_send(mp);
} else {
/* ups, let capi application handle it :-) */
skb_queue_tail(&cdev->recvqueue, skb);
wake_up_interruptible(&cdev->recvwait);
}
#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
}
void B1_handle_interrupt(avmb1_card * card)
{
unsigned char b1cmd;
struct sk_buff *skb;
unsigned ApplId;
unsigned MsgLen;
unsigned DataB3Len;
unsigned NCCI;
unsigned WindowSize;
if (!B1_rx_full(card->port))
return;
b1cmd = B1_get_byte(card->port);
switch (b1cmd) {
case RECEIVE_DATA_B3_IND:
ApplId = (unsigned) B1_get_word(card->port);
MsgLen = B1_get_slice(card->port, card->msgbuf);
DataB3Len = B1_get_slice(card->port, card->databuf);
if (showcapimsgs > 2) {
__u8 cmd = CAPIMSG_COMMAND(card->msgbuf);
__u8 subcmd = CAPIMSG_SUBCOMMAND(card->msgbuf);
__u32 contr = CAPIMSG_CONTROL(card->msgbuf);
CAPIMSG_SETDATA(card->msgbuf, card->databuf);
if (showcapimsgs & 1) {
printk(KERN_DEBUG "b1lli: Got [0x%lx] id#%d %s len=%u/%u\n",
(unsigned long) contr,
CAPIMSG_APPID(card->msgbuf),
capi_cmd2str(cmd, subcmd),
MsgLen, DataB3Len);
} else {
printk(KERN_DEBUG "b1lli: Got [0x%lx] %s\n", (unsigned long)contr, capi_message2str(card->msgbuf));
}
}
if (!(skb = dev_alloc_skb(DataB3Len + MsgLen))) {
printk(KERN_ERR "b1lli: incoming packet dropped\n");
} else {
SET_SKB_FREE(skb);
memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
CAPIMSG_SETDATA(skb->data, skb->data + MsgLen);
avmb1_handle_capimsg(card, ApplId, skb);
}
break;
case RECEIVE_MESSAGE:
ApplId = (unsigned) B1_get_word(card->port);
MsgLen = B1_get_slice(card->port, card->msgbuf);
if (showcapimsgs) {
__u8 cmd = CAPIMSG_COMMAND(card->msgbuf);
__u8 subcmd = CAPIMSG_SUBCOMMAND(card->msgbuf);
__u32 contr = CAPIMSG_CONTROL(card->msgbuf);
if (showcapimsgs & 1) {
printk(KERN_DEBUG "b1lli: Got [0x%lx] id#%d %s len=%u\n",
(unsigned long) contr,
CAPIMSG_APPID(card->msgbuf),
capi_cmd2str(cmd, subcmd),
MsgLen);
} else {
printk(KERN_DEBUG "b1lli: Got [0x%lx] %s\n",
(unsigned long) contr,
capi_message2str(card->msgbuf));
}
}
if (!(skb = dev_alloc_skb(MsgLen))) {
printk(KERN_ERR "b1lli: incoming packet dropped\n");
} else {
SET_SKB_FREE(skb);
memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
avmb1_handle_capimsg(card, ApplId, skb);
}
break;
case RECEIVE_NEW_NCCI:
ApplId = B1_get_word(card->port);
NCCI = B1_get_word(card->port);
WindowSize = B1_get_word(card->port);
if (showcapimsgs)
printk(KERN_DEBUG "b1lli: NEW_NCCI app %u ncci 0x%x\n", ApplId, NCCI);
avmb1_handle_new_ncci(card, ApplId, NCCI, WindowSize);
break;
case RECEIVE_FREE_NCCI:
ApplId = B1_get_word(card->port);
NCCI = B1_get_word(card->port);
if (showcapimsgs)
printk(KERN_DEBUG "b1lli: FREE_NCCI app %u ncci 0x%x\n", ApplId, NCCI);
avmb1_handle_free_ncci(card, ApplId, NCCI);
break;
case RECEIVE_START:
if (card->blocked)
printk(KERN_DEBUG "b1lli: RESTART\n");
card->blocked = 0;
break;
case RECEIVE_STOP:
printk(KERN_DEBUG "b1lli: STOP\n");
card->blocked = 1;
break;
case RECEIVE_INIT:
card->versionlen = B1_get_slice(card->port, card->versionbuf);
card->cardstate = CARD_ACTIVE;
parse_version(card);
printk(KERN_INFO "b1lli: %s-card (%s) with %s now active\n",
card->version[VER_CARDTYPE],
card->version[VER_DRIVER],
card->version[VER_PROTO]);
avmb1_card_ready(card);
break;
default:
printk(KERN_ERR "b1lli: B1_handle_interrupt: 0x%x ???\n", b1cmd);
break;
}
}
