334 	int rcnt, total;  in receive_dmsg()  local
347 		rcnt = zp->z1 - zp->z2;  in receive_dmsg()
348 		if (rcnt < 0)  in receive_dmsg()
349 			rcnt += D_FIFO_SIZE;  in receive_dmsg()
350 		rcnt++;  in receive_dmsg()
353 				df->f1, df->f2, zp->z1, zp->z2, rcnt);  in receive_dmsg()
355 		if ((rcnt > MAX_DFRAME_LEN + 3) || (rcnt < 4) ||  in receive_dmsg()
358 				debugl1(cs, "empty_fifo hfcpci packet inv. len %d or crc %d", rcnt, df->data[zp->z1]);  in receive_dmsg()
363 			df->za[df->f2 & D_FREG_MASK].z2 = (zp->z2 + rcnt) & (D_FIFO_SIZE - 1);  in receive_dmsg()
364 		} else if ((skb = dev_alloc_skb(rcnt - 3))) {  in receive_dmsg()
365 			total = rcnt;  in receive_dmsg()
366 			rcnt -= 3;  in receive_dmsg()
367 			ptr = skb_put(skb, rcnt);  in receive_dmsg()
369 			if (zp->z2 + rcnt <= D_FIFO_SIZE)  in receive_dmsg()
370 				maxlen = rcnt;	/* complete transfer */  in receive_dmsg()
376 			rcnt -= maxlen;  in receive_dmsg()
378 			if (rcnt) {	/* rest remaining */  in receive_dmsg()
381 				memcpy(ptr, ptr1, rcnt);	/* rest */  in receive_dmsg()
454 	int rcnt, real_fifo;  in main_rec_hfcpci()  local
483 		rcnt = zp->z1 - zp->z2;  in main_rec_hfcpci()
484 		if (rcnt < 0)  in main_rec_hfcpci()
485 			rcnt += B_FIFO_SIZE;  in main_rec_hfcpci()
486 		rcnt++;  in main_rec_hfcpci()
489 				bcs->channel, zp->z1, zp->z2, rcnt);  in main_rec_hfcpci()
490 		if ((skb = hfcpci_empty_fifo(bcs, bz, bdata, rcnt))) {  in main_rec_hfcpci()
494 		rcnt = bz->f1 - bz->f2;  in main_rec_hfcpci()
495 		if (rcnt < 0)  in main_rec_hfcpci()
496 			rcnt += MAX_B_FRAMES + 1;  in main_rec_hfcpci()
497 		if (cs->hw.hfcpci.last_bfifo_cnt[real_fifo] > rcnt + 1) {  in main_rec_hfcpci()
498 			rcnt = 0;  in main_rec_hfcpci()
501 		cs->hw.hfcpci.last_bfifo_cnt[real_fifo] = rcnt;  in main_rec_hfcpci()
502 		if (rcnt > 1)  in main_rec_hfcpci()
832 	int rcnt;  in receive_emsg()  local
855 		rcnt = zp->z1 - zp->z2;  in receive_emsg()
856 		if (rcnt < 0)  in receive_emsg()
857 			rcnt += B_FIFO_SIZE;  in receive_emsg()
858 		rcnt++;  in receive_emsg()
861 				zp->z1, zp->z2, rcnt);  in receive_emsg()
862 		new_z2 = zp->z2 + rcnt;		/* new position in fifo */  in receive_emsg()
866 		if ((rcnt > 256 + 3) || (count < 4) ||  in receive_emsg()
869 				debugl1(cs, "hfcpci_empty_echan: incoming packet invalid length %d or crc", rcnt);  in receive_emsg()
873 			total = rcnt;  in receive_emsg()
874 			rcnt -= 3;  in receive_emsg()
878 				maxlen = rcnt;	/* complete transfer */  in receive_emsg()
884 			rcnt -= maxlen;  in receive_emsg()
886 			if (rcnt) {	/* rest remaining */  in receive_emsg()
889 				memcpy(ptr, ptr1, rcnt);	/* rest */  in receive_emsg()
911 		rcnt = bz->f1 - bz->f2;  in receive_emsg()
912 		if (rcnt < 0)  in receive_emsg()
913 			rcnt += MAX_B_FRAMES + 1;  in receive_emsg()
914 		if (rcnt > 1)  in receive_emsg()