24 static int cfutill_receive(struct cflayer *layr, struct cfpkt *pkt);
25 static int cfutill_transmit(struct cflayer *layr, struct cfpkt *pkt);
40 static int cfutill_receive(struct cflayer *layr, struct cfpkt *pkt)  in cfutill_receive()  argument
48 	if (cfpkt_extr_head(pkt, &cmd, 1) < 0) {  in cfutill_receive()
50 		cfpkt_destroy(pkt);  in cfutill_receive()
56 		return layr->up->receive(layr->up, pkt);  in cfutill_receive()
59 		cfpkt_destroy(pkt);  in cfutill_receive()
63 		cfpkt_destroy(pkt);  in cfutill_receive()
69 		cfpkt_destroy(pkt);  in cfutill_receive()
72 		cfpkt_destroy(pkt);  in cfutill_receive()
78 static int cfutill_transmit(struct cflayer *layr, struct cfpkt *pkt)  in cfutill_transmit()  argument
89 		cfpkt_destroy(pkt);  in cfutill_transmit()
93 	cfpkt_add_head(pkt, &zero, 1);  in cfutill_transmit()
95 	info = cfpkt_info(pkt);  in cfutill_transmit()
103 	return layr->dn->transmit(layr->dn, pkt);  in cfutill_transmit()