480 int gigaset_isoc_buildframe(struct bc_state *bcs, unsigned char *in, int len)  in gigaset_isoc_buildframe()  argument
484 	switch (bcs->proto2) {  in gigaset_isoc_buildframe()
486 		result = hdlc_buildframe(bcs->hw.bas->isooutbuf, in, len);  in gigaset_isoc_buildframe()
491 		result = trans_buildframe(bcs->hw.bas->isooutbuf, in, len);  in gigaset_isoc_buildframe()
501 static inline void hdlc_putbyte(unsigned char c, struct bc_state *bcs)  in hdlc_putbyte()  argument
503 	bcs->rx_fcs = crc_ccitt_byte(bcs->rx_fcs, c);  in hdlc_putbyte()
504 	if (bcs->rx_skb == NULL)  in hdlc_putbyte()
507 	if (bcs->rx_skb->len >= bcs->rx_bufsize) {  in hdlc_putbyte()
508 		dev_warn(bcs->cs->dev, "received oversized packet discarded\n");  in hdlc_putbyte()
509 		bcs->hw.bas->giants++;  in hdlc_putbyte()
510 		dev_kfree_skb_any(bcs->rx_skb);  in hdlc_putbyte()
511 		bcs->rx_skb = NULL;  in hdlc_putbyte()
514 	*__skb_put(bcs->rx_skb, 1) = c;  in hdlc_putbyte()
520 static inline void hdlc_flush(struct bc_state *bcs)  in hdlc_flush()  argument
523 	if (bcs->rx_skb != NULL)  in hdlc_flush()
524 		skb_trim(bcs->rx_skb, 0);  in hdlc_flush()
526 		gigaset_new_rx_skb(bcs);  in hdlc_flush()
529 	bcs->rx_fcs = PPP_INITFCS;  in hdlc_flush()
535 static inline void hdlc_done(struct bc_state *bcs)  in hdlc_done()  argument
537 	struct cardstate *cs = bcs->cs;  in hdlc_done()
541 	if (unlikely(bcs->ignore)) {  in hdlc_done()
542 		bcs->ignore--;  in hdlc_done()
543 		hdlc_flush(bcs);  in hdlc_done()
546 	procskb = bcs->rx_skb;  in hdlc_done()
550 		gigaset_isdn_rcv_err(bcs);  in hdlc_done()
554 		bcs->hw.bas->runts++;  in hdlc_done()
556 		gigaset_isdn_rcv_err(bcs);  in hdlc_done()
557 	} else if (bcs->rx_fcs != PPP_GOODFCS) {  in hdlc_done()
559 		bcs->hw.bas->fcserrs++;  in hdlc_done()
561 		gigaset_isdn_rcv_err(bcs);  in hdlc_done()
568 		bcs->hw.bas->goodbytes += len;  in hdlc_done()
569 		gigaset_skb_rcvd(bcs, procskb);  in hdlc_done()
571 	gigaset_new_rx_skb(bcs);  in hdlc_done()
572 	bcs->rx_fcs = PPP_INITFCS;  in hdlc_done()
578 static inline void hdlc_frag(struct bc_state *bcs, unsigned inbits)  in hdlc_frag()  argument
580 	if (unlikely(bcs->ignore)) {  in hdlc_frag()
581 		bcs->ignore--;  in hdlc_frag()
582 		hdlc_flush(bcs);  in hdlc_frag()
586 	dev_notice(bcs->cs->dev, "received partial byte (%d bits)\n", inbits);  in hdlc_frag()
587 	bcs->hw.bas->alignerrs++;  in hdlc_frag()
588 	gigaset_isdn_rcv_err(bcs);  in hdlc_frag()
589 	__skb_trim(bcs->rx_skb, 0);  in hdlc_frag()
590 	bcs->rx_fcs = PPP_INITFCS;  in hdlc_frag()
631 			       struct bc_state *bcs)  in hdlc_unpack()  argument
633 	struct bas_bc_state *ubc = bcs->hw.bas;  in hdlc_unpack()
648 	inputstate = bcs->inputstate;  in hdlc_unpack()
694 			hdlc_putbyte(inbyte & 0xff, bcs);  in hdlc_unpack()
705 			hdlc_flush(bcs);  in hdlc_unpack()
711 				hdlc_frag(bcs, inbits + lead1 - 7);  in hdlc_unpack()
717 					hdlc_done(bcs);  in hdlc_unpack()
756 					hdlc_frag(bcs, inbits);  in hdlc_unpack()
760 					hdlc_done(bcs);  in hdlc_unpack()
765 				hdlc_flush(bcs);  in hdlc_unpack()
811 					hdlc_putbyte(inbyte & 0xff, bcs);  in hdlc_unpack()
821 	bcs->inputstate = inputstate;  in hdlc_unpack()
837 				 struct bc_state *bcs)  in trans_receive()  argument
843 	if (unlikely(bcs->ignore)) {  in trans_receive()
844 		bcs->ignore--;  in trans_receive()
847 	skb = bcs->rx_skb;  in trans_receive()
849 		skb = gigaset_new_rx_skb(bcs);  in trans_receive()
853 	dobytes = bcs->rx_bufsize - skb->len;  in trans_receive()
864 			bcs->hw.bas->goodbytes += skb->len;  in trans_receive()
865 			gigaset_skb_rcvd(bcs, skb);  in trans_receive()
866 			skb = gigaset_new_rx_skb(bcs);  in trans_receive()
869 			dobytes = bcs->rx_bufsize;  in trans_receive()
875 			  struct bc_state *bcs)  in gigaset_isoc_receive()  argument
877 	switch (bcs->proto2) {  in gigaset_isoc_receive()
879 		hdlc_unpack(src, count, bcs);  in gigaset_isoc_receive()
882 		trans_receive(src, count, bcs);  in gigaset_isoc_receive()
989 int gigaset_isoc_send_skb(struct bc_state *bcs, struct sk_buff *skb)  in gigaset_isoc_send_skb()  argument
994 	spin_lock_irqsave(&bcs->cs->lock, flags);  in gigaset_isoc_send_skb()
995 	if (!bcs->cs->connected) {  in gigaset_isoc_send_skb()
996 		spin_unlock_irqrestore(&bcs->cs->lock, flags);  in gigaset_isoc_send_skb()
1000 	skb_queue_tail(&bcs->squeue, skb);  in gigaset_isoc_send_skb()
1002 		__func__, skb_queue_len(&bcs->squeue));  in gigaset_isoc_send_skb()
1005 	tasklet_schedule(&bcs->hw.bas->sent_tasklet);  in gigaset_isoc_send_skb()
1006 	spin_unlock_irqrestore(&bcs->cs->lock, flags);  in gigaset_isoc_send_skb()