Пример #1
0
void hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
{
	__u16 appl_id;
	int _len, _len2;
	__u8 msghead[64];
	
	appl_id = CAPIMSG_APPID(skb->data);
	switch(_hycapi_appCheck(appl_id, ctrl->cnr))
	{
		case 0:
/*			printk(KERN_INFO "Need to register\n"); */
			hycapi_register_internal(ctrl, 
						 appl_id,
						 &(hycapi_applications[appl_id-1].rp));
			break;
		case 1:
			break;
		default:
			printk(KERN_ERR "HYCAPI: Controller mixup!\n");
			return;
	}
	switch(CAPIMSG_CMD(skb->data)) {		
		case CAPI_DISCONNECT_B3_RESP:
			ctrl->free_ncci(ctrl, appl_id, 
					CAPIMSG_NCCI(skb->data));
			break;
		case CAPI_DATA_B3_REQ:
			_len = CAPIMSG_LEN(skb->data);
			if (_len > 22) {
				_len2 = _len - 22;
				memcpy(msghead, skb->data, 22);
				memcpy(skb->data + _len2, msghead, 22);
				skb_pull(skb, _len2);
				CAPIMSG_SETLEN(skb->data, 22);
			}
			break;
		case CAPI_LISTEN_REQ:
			if(hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1])
			{
				kfree_skb(hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1]);
				hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1] = NULL;
			}
			if (!(hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1] = skb_copy(skb, GFP_ATOMIC))) 
			{
				printk(KERN_ERR "HYSDN: memory squeeze in private_listen\n");
			} 
			break;
		default:
			break;
	}
	hycapi_sendmsg_internal(ctrl, skb);
}
Пример #2
0
void
hycapi_rx_capipkt(hysdn_card *card, unsigned char *buf, unsigned short len)
{
	struct sk_buff *skb;
	hycapictrl_info *cinfo = card->hyctrlinfo;
	struct capi_ctr *ctrl;
	__u16 ApplId;
	__u16 MsgLen, info;
	__u16 len2, CapiCmd;
	__u32 CP64[2] = {0, 0};
#ifdef HYCAPI_PRINTFNAMES
	printk(KERN_NOTICE "hycapi_rx_capipkt\n");
#endif
	if (!cinfo) {
		return;
	}
	ctrl = &cinfo->capi_ctrl;
	if (len < CAPI_MSG_BASELEN) {
		printk(KERN_ERR "HYSDN Card%d: invalid CAPI-message, length %d!\n",
		       card->myid, len);
		return;
	}
	MsgLen = CAPIMSG_LEN(buf);
	ApplId = CAPIMSG_APPID(buf);
	CapiCmd = CAPIMSG_CMD(buf);

	if ((CapiCmd == CAPI_DATA_B3_IND) && (MsgLen < 30)) {
		len2 = len + (30 - MsgLen);
		if (!(skb = alloc_skb(len2, GFP_ATOMIC))) {
			printk(KERN_ERR "HYSDN Card%d: incoming packet dropped\n",
			       card->myid);
			return;
		}
		memcpy(skb_put(skb, MsgLen), buf, MsgLen);
		memcpy(skb_put(skb, 2 * sizeof(__u32)), CP64, 2 * sizeof(__u32));
		memcpy(skb_put(skb, len - MsgLen), buf + MsgLen,
		       len - MsgLen);
		CAPIMSG_SETLEN(skb->data, 30);
	} else {
		if (!(skb = alloc_skb(len, GFP_ATOMIC))) {
			printk(KERN_ERR "HYSDN Card%d: incoming packet dropped\n",
			       card->myid);
			return;
		}
		memcpy(skb_put(skb, len), buf, len);
	}
	switch (CAPIMSG_CMD(skb->data))
	{
	case CAPI_CONNECT_B3_CONF:
/* Check info-field for error-indication: */
		info = CAPIMSG_U16(skb->data, 12);
		switch (info)
		{
		case 0:
			capilib_new_ncci(&cinfo->ncci_head, ApplId, CAPIMSG_NCCI(skb->data),
					 hycapi_applications[ApplId - 1].rp.datablkcnt);

			break;
		case 0x0001:
			printk(KERN_ERR "HYSDN Card%d: NCPI not supported by current "
			       "protocol. NCPI ignored.\n", card->myid);
			break;
		case 0x2001:
			printk(KERN_ERR "HYSDN Card%d: Message not supported in"
			       " current state\n", card->myid);
			break;
		case 0x2002:
			printk(KERN_ERR "HYSDN Card%d: invalid PLCI\n", card->myid);
			break;
		case 0x2004:
			printk(KERN_ERR "HYSDN Card%d: out of NCCI\n", card->myid);
			break;
		case 0x3008:
			printk(KERN_ERR "HYSDN Card%d: NCPI not supported\n",
			       card->myid);
			break;
		default:
			printk(KERN_ERR "HYSDN Card%d: Info in CONNECT_B3_CONF: %d\n",
			       card->myid, info);
			break;
		}
		break;
	case CAPI_CONNECT_B3_IND:
		capilib_new_ncci(&cinfo->ncci_head, ApplId,
				 CAPIMSG_NCCI(skb->data),
				 hycapi_applications[ApplId - 1].rp.datablkcnt);
		break;
	case CAPI_DATA_B3_CONF:
		capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
				     CAPIMSG_NCCI(skb->data),
				     CAPIMSG_MSGID(skb->data));
		break;
	default:
		break;
	}
	capi_ctr_handle_message(ctrl, ApplId, skb);
}
Пример #3
0
static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
{
	__u16 appl_id;
	int _len, _len2;
	__u8 msghead[64];
	hycapictrl_info *cinfo = ctrl->driverdata;
	u16 retval = CAPI_NOERROR;

	appl_id = CAPIMSG_APPID(skb->data);
	switch (_hycapi_appCheck(appl_id, ctrl->cnr))
	{
	case 0:
/*			printk(KERN_INFO "Need to register\n"); */
		hycapi_register_internal(ctrl,
					 appl_id,
					 &(hycapi_applications[appl_id - 1].rp));
		break;
	case 1:
		break;
	default:
		printk(KERN_ERR "HYCAPI: Controller mixup!\n");
		retval = CAPI_ILLAPPNR;
		goto out;
	}
	switch (CAPIMSG_CMD(skb->data)) {
	case CAPI_DISCONNECT_B3_RESP:
		capilib_free_ncci(&cinfo->ncci_head, appl_id,
				  CAPIMSG_NCCI(skb->data));
		break;
	case CAPI_DATA_B3_REQ:
		_len = CAPIMSG_LEN(skb->data);
		if (_len > 22) {
			_len2 = _len - 22;
			skb_copy_from_linear_data(skb, msghead, 22);
			skb_copy_to_linear_data_offset(skb, _len2,
						       msghead, 22);
			skb_pull(skb, _len2);
			CAPIMSG_SETLEN(skb->data, 22);
			retval = capilib_data_b3_req(&cinfo->ncci_head,
						     CAPIMSG_APPID(skb->data),
						     CAPIMSG_NCCI(skb->data),
						     CAPIMSG_MSGID(skb->data));
		}
		break;
	case CAPI_LISTEN_REQ:
		if (hycapi_applications[appl_id - 1].listen_req[ctrl->cnr - 1])
		{
			kfree_skb(hycapi_applications[appl_id - 1].listen_req[ctrl->cnr - 1]);
			hycapi_applications[appl_id - 1].listen_req[ctrl->cnr - 1] = NULL;
		}
		if (!(hycapi_applications[appl_id  -1].listen_req[ctrl->cnr - 1] = skb_copy(skb, GFP_ATOMIC)))
		{
			printk(KERN_ERR "HYSDN: memory squeeze in private_listen\n");
		}
		break;
	default:
		break;
	}
out:
	if (retval == CAPI_NOERROR)
		hycapi_sendmsg_internal(ctrl, skb);
	else
		dev_kfree_skb_any(skb);

	return retval;
}
Пример #4
0
static void c4_handle_rx(avmcard *card)
{
	avmcard_dmainfo *dma = card->dma;
	struct capi_ctr *ctrl;
	avmctrl_info *cinfo;
	struct sk_buff *skb;
	void *p = dma->recvbuf.dmabuf;
	u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize;
	u8 b1cmd =  _get_byte(&p);
	u32 cidx;


#ifdef AVM_C4_DEBUG
	printk(KERN_DEBUG "%s: rx 0x%x len=%lu\n", card->name,
				b1cmd, (unsigned long)dma->recvlen);
#endif
	
	switch (b1cmd) {
	case RECEIVE_DATA_B3_IND:

		ApplId = (unsigned) _get_word(&p);
		MsgLen = _get_slice(&p, card->msgbuf);
		DataB3Len = _get_slice(&p, card->databuf);
		cidx = CAPIMSG_CONTROLLER(card->msgbuf)-card->cardnr;
		if (cidx >= card->nlogcontr) cidx = 0;
		ctrl = &card->ctrlinfo[cidx].capi_ctrl;

		if (MsgLen < 30) { /* not CAPI 64Bit */
			memset(card->msgbuf+MsgLen, 0, 30-MsgLen);
			MsgLen = 30;
			CAPIMSG_SETLEN(card->msgbuf, 30);
		}
		if (!(skb = alloc_skb(DataB3Len+MsgLen, GFP_ATOMIC))) {
			printk(KERN_ERR "%s: incoming packet dropped\n",
					card->name);
		} else {
			memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
			memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
			capi_ctr_handle_message(ctrl, ApplId, skb);
		}
		break;

	case RECEIVE_MESSAGE:

		ApplId = (unsigned) _get_word(&p);
		MsgLen = _get_slice(&p, card->msgbuf);
		cidx = CAPIMSG_CONTROLLER(card->msgbuf)-card->cardnr;
		if (cidx >= card->nlogcontr) cidx = 0;
		cinfo = &card->ctrlinfo[cidx];
		ctrl = &card->ctrlinfo[cidx].capi_ctrl;

		if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
			printk(KERN_ERR "%s: incoming packet dropped\n",
					card->name);
		} else {
			memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
			if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF)
				capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
						     CAPIMSG_NCCI(skb->data),
						     CAPIMSG_MSGID(skb->data));

			capi_ctr_handle_message(ctrl, ApplId, skb);
		}
		break;

	case RECEIVE_NEW_NCCI:

		ApplId = _get_word(&p);
		NCCI = _get_word(&p);
		WindowSize = _get_word(&p);
		cidx = (NCCI&0x7f) - card->cardnr;
		if (cidx >= card->nlogcontr) cidx = 0;

		capilib_new_ncci(&card->ctrlinfo[cidx].ncci_head, ApplId, NCCI, WindowSize);

		break;

	case RECEIVE_FREE_NCCI:

		ApplId = _get_word(&p);
		NCCI = _get_word(&p);

		if (NCCI != 0xffffffff) {
			cidx = (NCCI&0x7f) - card->cardnr;
			if (cidx >= card->nlogcontr) cidx = 0;
			capilib_free_ncci(&card->ctrlinfo[cidx].ncci_head, ApplId, NCCI);
		}
		break;

	case RECEIVE_START:
#ifdef AVM_C4_POLLDEBUG
		printk(KERN_INFO "%s: poll from c4\n", card->name);
#endif
		if (!suppress_pollack)
			queue_pollack(card);
		for (cidx=0; cidx < card->nr_controllers; cidx++) {
			ctrl = &card->ctrlinfo[cidx].capi_ctrl;
			capi_ctr_resume_output(ctrl);
		}
		break;

	case RECEIVE_STOP:
		for (cidx=0; cidx < card->nr_controllers; cidx++) {
			ctrl = &card->ctrlinfo[cidx].capi_ctrl;
			capi_ctr_suspend_output(ctrl);
		}
		break;

	case RECEIVE_INIT:

	        cidx = card->nlogcontr;
		if (cidx >= card->nr_controllers) {
			printk(KERN_ERR "%s: card with %d controllers ??\n",
					card->name, cidx+1);
			break;
		}
	        card->nlogcontr++;
	        cinfo = &card->ctrlinfo[cidx];
		ctrl = &cinfo->capi_ctrl;
		cinfo->versionlen = _get_slice(&p, cinfo->versionbuf);
		b1_parse_version(cinfo);
		printk(KERN_INFO "%s: %s-card (%s) now active\n",
		       card->name,
		       cinfo->version[VER_CARDTYPE],
		       cinfo->version[VER_DRIVER]);
		capi_ctr_ready(&cinfo->capi_ctrl);
		break;

	case RECEIVE_TASK_READY:
		ApplId = (unsigned) _get_word(&p);
		MsgLen = _get_slice(&p, card->msgbuf);
		card->msgbuf[MsgLen] = 0;
		while (    MsgLen > 0
		       && (   card->msgbuf[MsgLen-1] == '\n'
			   || card->msgbuf[MsgLen-1] == '\r')) {
			card->msgbuf[MsgLen-1] = 0;
			MsgLen--;
		}
		printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
				card->name, ApplId, card->msgbuf);
		break;

	case RECEIVE_DEBUGMSG:
		MsgLen = _get_slice(&p, card->msgbuf);
		card->msgbuf[MsgLen] = 0;
		while (    MsgLen > 0
		       && (   card->msgbuf[MsgLen-1] == '\n'
			   || card->msgbuf[MsgLen-1] == '\r')) {
			card->msgbuf[MsgLen-1] = 0;
			MsgLen--;
		}
		printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
		break;

	default:
		printk(KERN_ERR "%s: c4_interrupt: 0x%x ???\n",
				card->name, b1cmd);
		return;
	}
}
Пример #5
0
static void b1dma_handle_rx(avmcard *card)
{
	avmctrl_info *cinfo = &card->ctrlinfo[0];
	avmcard_dmainfo *dma = card->dma;
	struct capi_ctr *ctrl = cinfo->capi_ctrl;
	struct sk_buff *skb;
	void *p = dma->recvbuf+4;
	__u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize;
	__u8 b1cmd =  _get_byte(&p);

#ifdef CONFIG_B1DMA_DEBUG
	printk(KERN_DEBUG "rx: 0x%x %lu\n", b1cmd, (unsigned long)dma->recvlen);
#endif
	
	switch (b1cmd) {
	case RECEIVE_DATA_B3_IND:

		ApplId = (unsigned) _get_word(&p);
		MsgLen = _get_slice(&p, card->msgbuf);
		DataB3Len = _get_slice(&p, card->databuf);

		if (MsgLen < 30) { /* not CAPI 64Bit */
			memset(card->msgbuf+MsgLen, 0, 30-MsgLen);
			MsgLen = 30;
			CAPIMSG_SETLEN(card->msgbuf, 30);
		}
		if (!(skb = alloc_skb(DataB3Len+MsgLen, GFP_ATOMIC))) {
			printk(KERN_ERR "%s: incoming packet dropped\n",
					card->name);
		} else {
			memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
			memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
			ctrl->handle_capimsg(ctrl, ApplId, skb);
		}
		break;

	case RECEIVE_MESSAGE:

		ApplId = (unsigned) _get_word(&p);
		MsgLen = _get_slice(&p, card->msgbuf);
		if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
			printk(KERN_ERR "%s: incoming packet dropped\n",
					card->name);
		} else {
			memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
			ctrl->handle_capimsg(ctrl, ApplId, skb);
		}
		break;

	case RECEIVE_NEW_NCCI:

		ApplId = _get_word(&p);
		NCCI = _get_word(&p);
		WindowSize = _get_word(&p);

		ctrl->new_ncci(ctrl, ApplId, NCCI, WindowSize);

		break;

	case RECEIVE_FREE_NCCI:

		ApplId = _get_word(&p);
		NCCI = _get_word(&p);

		if (NCCI != 0xffffffff)
			ctrl->free_ncci(ctrl, ApplId, NCCI);
		else ctrl->appl_released(ctrl, ApplId);
		break;

	case RECEIVE_START:
#ifdef CONFIG_B1DMA_POLLDEBUG
		printk(KERN_INFO "%s: receive poll\n", card->name);
#endif
		if (!suppress_pollack)
			queue_pollack(card);
		ctrl->resume_output(ctrl);
		break;

	case RECEIVE_STOP:
		ctrl->suspend_output(ctrl);
		break;

	case RECEIVE_INIT:

		cinfo->versionlen = _get_slice(&p, cinfo->versionbuf);
		b1_parse_version(cinfo);
		printk(KERN_INFO "%s: %s-card (%s) now active\n",
		       card->name,
		       cinfo->version[VER_CARDTYPE],
		       cinfo->version[VER_DRIVER]);
		ctrl->ready(ctrl);
		break;

	case RECEIVE_TASK_READY:
		ApplId = (unsigned) _get_word(&p);
		MsgLen = _get_slice(&p, card->msgbuf);
		card->msgbuf[MsgLen] = 0;
		while (    MsgLen > 0
		       && (   card->msgbuf[MsgLen-1] == '\n'
			   || card->msgbuf[MsgLen-1] == '\r')) {
			card->msgbuf[MsgLen-1] = 0;
			MsgLen--;
		}
		printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
				card->name, ApplId, card->msgbuf);
		break;

	case RECEIVE_DEBUGMSG:
		MsgLen = _get_slice(&p, card->msgbuf);
		card->msgbuf[MsgLen] = 0;
		while (    MsgLen > 0
		       && (   card->msgbuf[MsgLen-1] == '\n'
			   || card->msgbuf[MsgLen-1] == '\r')) {
			card->msgbuf[MsgLen-1] = 0;
			MsgLen--;
		}
		printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
		break;

	default:
		printk(KERN_ERR "%s: b1dma_interrupt: 0x%x ???\n",
				card->name, b1cmd);
		return;
	}
}