69 	u16 pid;		/* protocol ID */  member
112 static inline struct proto* get_proto(struct net_device *dev, u16 pid)  in get_proto()  argument
116 	switch (pid) {  in get_proto()
128 static inline const char* proto_name(u16 pid)  in proto_name()  argument
130 	switch (pid) {  in proto_name()
207 static void ppp_tx_cp(struct net_device *dev, u16 pid, u8 code,  in ppp_tx_cp()  argument
220 	if (pid == PID_LCP && (code == LCP_ECHO_REQ || code == LCP_ECHO_REPLY))  in ppp_tx_cp()
250 	       proto_name(pid), code_names[code], id, debug_buffer);  in ppp_tx_cp()
253 	ppp_hard_header(skb, dev, pid, NULL, NULL, 0);  in ppp_tx_cp()
304 static void ppp_cp_event(struct net_device *dev, u16 pid, u16 event, u8 code,  in ppp_cp_event()  argument
309 	struct proto *proto = get_proto(dev, pid);  in ppp_cp_event()
317 	       proto_name(pid), event_names[event], state_names[proto->state]);  in ppp_cp_event()
333 		ppp_tx_cp(dev, pid, CP_CONF_REQ, proto->cr_id = ++ppp->seq,  in ppp_cp_event()
336 		ppp_tx_cp(dev, pid, CP_CONF_ACK, id, len, data);  in ppp_cp_event()
338 		ppp_tx_cp(dev, pid, code, id, len, data);  in ppp_cp_event()
340 		ppp_tx_cp(dev, pid, CP_TERM_REQ, ++ppp->seq, 0, NULL);  in ppp_cp_event()
342 		ppp_tx_cp(dev, pid, CP_TERM_ACK, id, 0, NULL);  in ppp_cp_event()
344 		ppp_tx_cp(dev, pid, CP_CODE_REJ, ++ppp->seq, len, data);  in ppp_cp_event()
347 		netdev_info(dev, "%s up\n", proto_name(pid));  in ppp_cp_event()
348 		if (pid == PID_LCP) {  in ppp_cp_event()
358 		netdev_info(dev, "%s down\n", proto_name(pid));  in ppp_cp_event()
359 		if (pid == PID_LCP) {  in ppp_cp_event()
370 	       proto_name(pid), event_names[event], state_names[proto->state]);  in ppp_cp_event()
375 static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id,  in ppp_cp_parse_cr()  argument
395 		if (pid == PID_LCP)  in ppp_cp_parse_cr()
423 		ppp_cp_event(dev, pid, RCR_BAD, CP_CONF_REJ, id, rej_len, out);  in ppp_cp_parse_cr()
425 		ppp_cp_event(dev, pid, RCR_BAD, CP_CONF_NAK, id, nak_len, out);  in ppp_cp_parse_cr()
427 		ppp_cp_event(dev, pid, RCR_GOOD, CP_CONF_ACK, id, req_len, data);  in ppp_cp_parse_cr()
441 	u16 pid;  in ppp_rx()  local
456 	pid = ntohs(hdr->protocol);  in ppp_rx()
457 	proto = get_proto(dev, pid);  in ppp_rx()
484 	printk(KERN_DEBUG "%s: RX %s %s\n", dev->name, proto_name(pid),  in ppp_rx()
489 	if (pid == PID_LCP)  in ppp_rx()
492 			pid = ntohs(*(__be16*)skb->data);  in ppp_rx()
493 			if (pid == PID_LCP || pid == PID_IPCP ||  in ppp_rx()
494 			    pid == PID_IPV6CP)  in ppp_rx()
495 				ppp_cp_event(dev, pid, RXJ_BAD, 0, 0,  in ppp_rx()
517 		ppp_cp_parse_cr(dev, pid, cp->id, len, skb->data);  in ppp_rx()
522 			ppp_cp_event(dev, pid, RCA, 0, 0, 0, NULL);  in ppp_rx()
528 			ppp_cp_event(dev, pid, RCN, 0, 0, 0, NULL);  in ppp_rx()
532 		ppp_cp_event(dev, pid, RTR, 0, cp->id, 0, NULL);  in ppp_rx()
536 		ppp_cp_event(dev, pid, RTA, 0, 0, 0, NULL);  in ppp_rx()
540 		ppp_cp_event(dev, pid, RXJ_BAD, 0, 0, 0, NULL);  in ppp_rx()
547 		ppp_cp_event(dev, pid, RUC, 0, 0, len, cp);  in ppp_rx()
574 			ppp_cp_event(proto->dev, proto->pid, TO_GOOD, 0, 0,  in ppp_timer()
578 			ppp_cp_event(proto->dev, proto->pid, TO_BAD, 0, 0,  in ppp_timer()
583 		if (proto->pid != PID_LCP)  in ppp_timer()
618 	ppp->protos[IDX_LCP].pid = PID_LCP;  in ppp_start()
619 	ppp->protos[IDX_IPCP].pid = PID_IPCP;  in ppp_start()
620 	ppp->protos[IDX_IPV6CP].pid = PID_IPV6CP;  in ppp_start()