39 	struct bchannel	*bch  = container_of(ws, struct bchannel, workq);  in bchannel_bh()  local
43 	if (test_and_clear_bit(FLG_RECVQUEUE, &bch->Flags)) {  in bchannel_bh()
44 		while ((skb = skb_dequeue(&bch->rqueue))) {  in bchannel_bh()
45 			bch->rcount--;  in bchannel_bh()
46 			if (likely(bch->ch.peer)) {  in bchannel_bh()
47 				err = bch->ch.recv(bch->ch.peer, skb);  in bchannel_bh()
156 mISDN_ctrl_bchannel(struct bchannel *bch, struct mISDN_ctrl_req *cq)  in mISDN_ctrl_bchannel()  argument
167 			memset(bch->fill, cq->p2 & 0xff, MISDN_BCH_FILL_SIZE);  in mISDN_ctrl_bchannel()
168 			test_and_set_bit(FLG_FILLEMPTY, &bch->Flags);  in mISDN_ctrl_bchannel()
170 			test_and_clear_bit(FLG_FILLEMPTY, &bch->Flags);  in mISDN_ctrl_bchannel()
175 		cq->p2 = bch->dropcnt;  in mISDN_ctrl_bchannel()
177 			test_and_set_bit(FLG_RX_OFF, &bch->Flags);  in mISDN_ctrl_bchannel()
179 			test_and_clear_bit(FLG_RX_OFF, &bch->Flags);  in mISDN_ctrl_bchannel()
180 		bch->dropcnt = 0;  in mISDN_ctrl_bchannel()
184 			bch->next_maxlen = cq->p2;  in mISDN_ctrl_bchannel()
186 			bch->next_minlen = cq->p1;  in mISDN_ctrl_bchannel()
188 		cq->p1 = bch->minlen;  in mISDN_ctrl_bchannel()
189 		cq->p2 = bch->maxlen;  in mISDN_ctrl_bchannel()
249 recv_Bchannel(struct bchannel *bch, unsigned int id, bool force)  in recv_Bchannel()  argument
254 	if (unlikely(!bch->rx_skb))  in recv_Bchannel()
256 	if (unlikely(!bch->rx_skb->len)) {  in recv_Bchannel()
260 		dev_kfree_skb(bch->rx_skb);  in recv_Bchannel()
261 		bch->rx_skb = NULL;  in recv_Bchannel()
263 		if (test_bit(FLG_TRANSPARENT, &bch->Flags) &&  in recv_Bchannel()
264 		    (bch->rx_skb->len < bch->minlen) && !force)  in recv_Bchannel()
266 		hh = mISDN_HEAD_P(bch->rx_skb);  in recv_Bchannel()
269 		if (bch->rcount >= 64) {  in recv_Bchannel()
272 			       bch->nr);  in recv_Bchannel()
273 			skb_queue_purge(&bch->rqueue);  in recv_Bchannel()
275 		bch->rcount++;  in recv_Bchannel()
276 		skb_queue_tail(&bch->rqueue, bch->rx_skb);  in recv_Bchannel()
277 		bch->rx_skb = NULL;  in recv_Bchannel()
278 		schedule_event(bch, FLG_RECVQUEUE);  in recv_Bchannel()
292 recv_Bchannel_skb(struct bchannel *bch, struct sk_buff *skb)  in recv_Bchannel_skb()  argument
294 	if (bch->rcount >= 64) {  in recv_Bchannel_skb()
296 		       "flushing!\n", bch);  in recv_Bchannel_skb()
297 		skb_queue_purge(&bch->rqueue);  in recv_Bchannel_skb()
298 		bch->rcount = 0;  in recv_Bchannel_skb()
300 	bch->rcount++;  in recv_Bchannel_skb()
301 	skb_queue_tail(&bch->rqueue, skb);  in recv_Bchannel_skb()
302 	schedule_event(bch, FLG_RECVQUEUE);  in recv_Bchannel_skb()
338 confirm_Bsend(struct bchannel *bch)  in confirm_Bsend()  argument
342 	if (bch->rcount >= 64) {  in confirm_Bsend()
344 		       "flushing!\n", bch);  in confirm_Bsend()
345 		skb_queue_purge(&bch->rqueue);  in confirm_Bsend()
346 		bch->rcount = 0;  in confirm_Bsend()
348 	skb = _alloc_mISDN_skb(PH_DATA_CNF, mISDN_HEAD_ID(bch->tx_skb),  in confirm_Bsend()
352 		       mISDN_HEAD_ID(bch->tx_skb));  in confirm_Bsend()
355 	bch->rcount++;  in confirm_Bsend()
356 	skb_queue_tail(&bch->rqueue, skb);  in confirm_Bsend()
357 	schedule_event(bch, FLG_RECVQUEUE);  in confirm_Bsend()
361 get_next_bframe(struct bchannel *bch)  in get_next_bframe()  argument
363 	bch->tx_idx = 0;  in get_next_bframe()
364 	if (test_bit(FLG_TX_NEXT, &bch->Flags)) {  in get_next_bframe()
365 		bch->tx_skb = bch->next_skb;  in get_next_bframe()
366 		if (bch->tx_skb) {  in get_next_bframe()
367 			bch->next_skb = NULL;  in get_next_bframe()
368 			test_and_clear_bit(FLG_TX_NEXT, &bch->Flags);  in get_next_bframe()
370 			confirm_Bsend(bch);  in get_next_bframe()
373 			test_and_clear_bit(FLG_TX_NEXT, &bch->Flags);  in get_next_bframe()
377 	bch->tx_skb = NULL;  in get_next_bframe()
378 	test_and_clear_bit(FLG_TX_BUSY, &bch->Flags);  in get_next_bframe()
470 bchannel_get_rxbuf(struct bchannel *bch, int reqlen)  in bchannel_get_rxbuf()  argument
474 	if (bch->rx_skb) {  in bchannel_get_rxbuf()
475 		len = skb_tailroom(bch->rx_skb);  in bchannel_get_rxbuf()
478 				   bch->nr, reqlen, len);  in bchannel_get_rxbuf()
479 			if (test_bit(FLG_TRANSPARENT, &bch->Flags)) {  in bchannel_get_rxbuf()
481 				recv_Bchannel(bch, 0, true);  in bchannel_get_rxbuf()
491 	if (unlikely(bch->maxlen != bch->next_maxlen))  in bchannel_get_rxbuf()
492 		bch->maxlen = bch->next_maxlen;  in bchannel_get_rxbuf()
493 	if (unlikely(bch->minlen != bch->next_minlen))  in bchannel_get_rxbuf()
494 		bch->minlen = bch->next_minlen;  in bchannel_get_rxbuf()
495 	if (unlikely(reqlen > bch->maxlen))  in bchannel_get_rxbuf()
497 	if (test_bit(FLG_TRANSPARENT, &bch->Flags)) {  in bchannel_get_rxbuf()
498 		if (reqlen >= bch->minlen) {  in bchannel_get_rxbuf()
501 			len = 2 * bch->minlen;  in bchannel_get_rxbuf()
502 			if (len > bch->maxlen)  in bchannel_get_rxbuf()
503 				len = bch->maxlen;  in bchannel_get_rxbuf()
507 		len = bch->maxlen;  in bchannel_get_rxbuf()
509 	bch->rx_skb = mI_alloc_skb(len, GFP_ATOMIC);  in bchannel_get_rxbuf()
510 	if (!bch->rx_skb) {  in bchannel_get_rxbuf()
512 			   bch->nr, len);  in bchannel_get_rxbuf()