48 	struct bchannel	*bch  = container_of(ws, struct bchannel, workq);  in bchannel_bh()  local
52 	if (test_and_clear_bit(FLG_RECVQUEUE, &bch->Flags)) {  in bchannel_bh()
53 		while ((skb = skb_dequeue(&bch->rqueue))) {  in bchannel_bh()
54 			bch->rcount--;  in bchannel_bh()
55 			if (likely(bch->ch.peer)) {  in bchannel_bh()
56 				err = bch->ch.recv(bch->ch.peer, skb);  in bchannel_bh()
165 mISDN_ctrl_bchannel(struct bchannel *bch, struct mISDN_ctrl_req *cq)  in mISDN_ctrl_bchannel()  argument
176 			memset(bch->fill, cq->p2 & 0xff, MISDN_BCH_FILL_SIZE);  in mISDN_ctrl_bchannel()
177 			test_and_set_bit(FLG_FILLEMPTY, &bch->Flags);  in mISDN_ctrl_bchannel()
179 			test_and_clear_bit(FLG_FILLEMPTY, &bch->Flags);  in mISDN_ctrl_bchannel()
184 		cq->p2 = bch->dropcnt;  in mISDN_ctrl_bchannel()
186 			test_and_set_bit(FLG_RX_OFF, &bch->Flags);  in mISDN_ctrl_bchannel()
188 			test_and_clear_bit(FLG_RX_OFF, &bch->Flags);  in mISDN_ctrl_bchannel()
189 		bch->dropcnt = 0;  in mISDN_ctrl_bchannel()
193 			bch->next_maxlen = cq->p2;  in mISDN_ctrl_bchannel()
195 			bch->next_minlen = cq->p1;  in mISDN_ctrl_bchannel()
197 		cq->p1 = bch->minlen;  in mISDN_ctrl_bchannel()
198 		cq->p2 = bch->maxlen;  in mISDN_ctrl_bchannel()
258 recv_Bchannel(struct bchannel *bch, unsigned int id, bool force)  in recv_Bchannel()  argument
263 	if (unlikely(!bch->rx_skb))  in recv_Bchannel()
265 	if (unlikely(!bch->rx_skb->len)) {  in recv_Bchannel()
269 		dev_kfree_skb(bch->rx_skb);  in recv_Bchannel()
270 		bch->rx_skb = NULL;  in recv_Bchannel()
272 		if (test_bit(FLG_TRANSPARENT, &bch->Flags) &&  in recv_Bchannel()
273 		    (bch->rx_skb->len < bch->minlen) && !force)  in recv_Bchannel()
275 		hh = mISDN_HEAD_P(bch->rx_skb);  in recv_Bchannel()
278 		if (bch->rcount >= 64) {  in recv_Bchannel()
281 			       bch->nr);  in recv_Bchannel()
282 			skb_queue_purge(&bch->rqueue);  in recv_Bchannel()
284 		bch->rcount++;  in recv_Bchannel()
285 		skb_queue_tail(&bch->rqueue, bch->rx_skb);  in recv_Bchannel()
286 		bch->rx_skb = NULL;  in recv_Bchannel()
287 		schedule_event(bch, FLG_RECVQUEUE);  in recv_Bchannel()
301 recv_Bchannel_skb(struct bchannel *bch, struct sk_buff *skb)  in recv_Bchannel_skb()  argument
303 	if (bch->rcount >= 64) {  in recv_Bchannel_skb()
305 		       "flushing!\n", bch);  in recv_Bchannel_skb()
306 		skb_queue_purge(&bch->rqueue);  in recv_Bchannel_skb()
307 		bch->rcount = 0;  in recv_Bchannel_skb()
309 	bch->rcount++;  in recv_Bchannel_skb()
310 	skb_queue_tail(&bch->rqueue, skb);  in recv_Bchannel_skb()
311 	schedule_event(bch, FLG_RECVQUEUE);  in recv_Bchannel_skb()
347 confirm_Bsend(struct bchannel *bch)  in confirm_Bsend()  argument
351 	if (bch->rcount >= 64) {  in confirm_Bsend()
353 		       "flushing!\n", bch);  in confirm_Bsend()
354 		skb_queue_purge(&bch->rqueue);  in confirm_Bsend()
355 		bch->rcount = 0;  in confirm_Bsend()
357 	skb = _alloc_mISDN_skb(PH_DATA_CNF, mISDN_HEAD_ID(bch->tx_skb),  in confirm_Bsend()
361 		       mISDN_HEAD_ID(bch->tx_skb));  in confirm_Bsend()
364 	bch->rcount++;  in confirm_Bsend()
365 	skb_queue_tail(&bch->rqueue, skb);  in confirm_Bsend()
366 	schedule_event(bch, FLG_RECVQUEUE);  in confirm_Bsend()
370 get_next_bframe(struct bchannel *bch)  in get_next_bframe()  argument
372 	bch->tx_idx = 0;  in get_next_bframe()
373 	if (test_bit(FLG_TX_NEXT, &bch->Flags)) {  in get_next_bframe()
374 		bch->tx_skb = bch->next_skb;  in get_next_bframe()
375 		if (bch->tx_skb) {  in get_next_bframe()
376 			bch->next_skb = NULL;  in get_next_bframe()
377 			test_and_clear_bit(FLG_TX_NEXT, &bch->Flags);  in get_next_bframe()
379 			confirm_Bsend(bch);  in get_next_bframe()
382 			test_and_clear_bit(FLG_TX_NEXT, &bch->Flags);  in get_next_bframe()
386 	bch->tx_skb = NULL;  in get_next_bframe()
387 	test_and_clear_bit(FLG_TX_BUSY, &bch->Flags);  in get_next_bframe()
479 bchannel_get_rxbuf(struct bchannel *bch, int reqlen)  in bchannel_get_rxbuf()  argument
483 	if (bch->rx_skb) {  in bchannel_get_rxbuf()
484 		len = skb_tailroom(bch->rx_skb);  in bchannel_get_rxbuf()
487 				   bch->nr, reqlen, len);  in bchannel_get_rxbuf()
488 			if (test_bit(FLG_TRANSPARENT, &bch->Flags)) {  in bchannel_get_rxbuf()
490 				recv_Bchannel(bch, 0, true);  in bchannel_get_rxbuf()
500 	if (unlikely(bch->maxlen != bch->next_maxlen))  in bchannel_get_rxbuf()
501 		bch->maxlen = bch->next_maxlen;  in bchannel_get_rxbuf()
502 	if (unlikely(bch->minlen != bch->next_minlen))  in bchannel_get_rxbuf()
503 		bch->minlen = bch->next_minlen;  in bchannel_get_rxbuf()
504 	if (unlikely(reqlen > bch->maxlen))  in bchannel_get_rxbuf()
506 	if (test_bit(FLG_TRANSPARENT, &bch->Flags)) {  in bchannel_get_rxbuf()
507 		if (reqlen >= bch->minlen) {  in bchannel_get_rxbuf()
510 			len = 2 * bch->minlen;  in bchannel_get_rxbuf()
511 			if (len > bch->maxlen)  in bchannel_get_rxbuf()
512 				len = bch->maxlen;  in bchannel_get_rxbuf()
516 		len = bch->maxlen;  in bchannel_get_rxbuf()
518 	bch->rx_skb = mI_alloc_skb(len, GFP_ATOMIC);  in bchannel_get_rxbuf()
519 	if (!bch->rx_skb) {  in bchannel_get_rxbuf()
521 			   bch->nr, len);  in bchannel_get_rxbuf()