21 static int cfrfml_receive(struct cflayer *layr, struct cfpkt *pkt);
22 static int cfrfml_transmit(struct cflayer *layr, struct cfpkt *pkt);
72 			struct cfpkt *pkt, int *err)  in rfm_append()  argument
78 	if (cfpkt_extr_head(pkt, seghead, 6) < 0)  in rfm_append()
85 	tmppkt = cfpkt_append(rfml->incomplete_frm, pkt,  in rfm_append()
97 static int cfrfml_receive(struct cflayer *layr, struct cfpkt *pkt)  in cfrfml_receive()  argument
112 	if (cfpkt_extr_head(pkt, &tmp, 1) < 0)  in cfrfml_receive()
119 			if (cfpkt_peek_head(pkt, rfml->seghead, 6) < 0)  in cfrfml_receive()
124 			if (cfpkt_erroneous(pkt))  in cfrfml_receive()
126 			rfml->incomplete_frm = pkt;  in cfrfml_receive()
127 			pkt = NULL;  in cfrfml_receive()
130 			tmppkt = rfm_append(rfml, seghead, pkt, &err);  in cfrfml_receive()
150 		tmppkt = rfm_append(rfml, seghead, pkt, &err);  in cfrfml_receive()
158 		pkt = tmppkt;  in cfrfml_receive()
163 		if (rfml->pdu_size != cfpkt_getlen(pkt) - RFM_HEAD_SIZE + 1)  in cfrfml_receive()
167 	err = rfml->serv.layer.up->receive(rfml->serv.layer.up, pkt);  in cfrfml_receive()
174 		if (pkt)  in cfrfml_receive()
175 			cfpkt_destroy(pkt);  in cfrfml_receive()
196 static int cfrfml_transmit_segment(struct cfrfml *rfml, struct cfpkt *pkt)  in cfrfml_transmit_segment()  argument
198 	caif_assert(cfpkt_getlen(pkt) < rfml->fragment_size + RFM_HEAD_SIZE);  in cfrfml_transmit_segment()
201 	cfpkt_info(pkt)->channel_id = rfml->serv.layer.id;  in cfrfml_transmit_segment()
207 	cfpkt_info(pkt)->hdr_len = RFM_HEAD_SIZE;  in cfrfml_transmit_segment()
208 	cfpkt_info(pkt)->dev_info = &rfml->serv.dev_info;  in cfrfml_transmit_segment()
210 	return rfml->serv.layer.dn->transmit(rfml->serv.layer.dn, pkt);  in cfrfml_transmit_segment()
213 static int cfrfml_transmit(struct cflayer *layr, struct cfpkt *pkt)  in cfrfml_transmit()  argument
219 	struct cfpkt *frontpkt = pkt;  in cfrfml_transmit()
229 	if (cfpkt_getlen(pkt) <= RFM_HEAD_SIZE-1)  in cfrfml_transmit()
233 	if (cfpkt_getlen(pkt) > rfml->fragment_size + RFM_HEAD_SIZE)  in cfrfml_transmit()
234 		err = cfpkt_peek_head(pkt, head, 6);  in cfrfml_transmit()