66 	u16 pid;		/* protocol ID */  member
110 static inline struct proto *get_proto(struct net_device *dev, u16 pid)  in get_proto()  argument
114 	switch (pid) {  in get_proto()
126 static inline const char *proto_name(u16 pid)  in proto_name()  argument
128 	switch (pid) {  in proto_name()
204 static void ppp_tx_cp(struct net_device *dev, u16 pid, u8 code,  in ppp_tx_cp()  argument
217 	if (pid == PID_LCP && (code == LCP_ECHO_REQ || code == LCP_ECHO_REPLY))  in ppp_tx_cp()
246 	       proto_name(pid), code_names[code], id, debug_buffer);  in ppp_tx_cp()
249 	ppp_hard_header(skb, dev, pid, NULL, NULL, 0);  in ppp_tx_cp()
299 static void ppp_cp_event(struct net_device *dev, u16 pid, u16 event, u8 code,  in ppp_cp_event()  argument
304 	struct proto *proto = get_proto(dev, pid);  in ppp_cp_event()
312 	       proto_name(pid), event_names[event], state_names[proto->state]);  in ppp_cp_event()
328 		ppp_tx_cp(dev, pid, CP_CONF_REQ, proto->cr_id = ++ppp->seq,  in ppp_cp_event()
331 		ppp_tx_cp(dev, pid, CP_CONF_ACK, id, len, data);  in ppp_cp_event()
333 		ppp_tx_cp(dev, pid, code, id, len, data);  in ppp_cp_event()
335 		ppp_tx_cp(dev, pid, CP_TERM_REQ, ++ppp->seq, 0, NULL);  in ppp_cp_event()
337 		ppp_tx_cp(dev, pid, CP_TERM_ACK, id, 0, NULL);  in ppp_cp_event()
339 		ppp_tx_cp(dev, pid, CP_CODE_REJ, ++ppp->seq, len, data);  in ppp_cp_event()
342 		netdev_info(dev, "%s up\n", proto_name(pid));  in ppp_cp_event()
343 		if (pid == PID_LCP) {  in ppp_cp_event()
353 		netdev_info(dev, "%s down\n", proto_name(pid));  in ppp_cp_event()
354 		if (pid == PID_LCP) {  in ppp_cp_event()
365 	       proto_name(pid), event_names[event], state_names[proto->state]);  in ppp_cp_event()
369 static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id,  in ppp_cp_parse_cr()  argument
387 		if (pid == PID_LCP)  in ppp_cp_parse_cr()
419 		ppp_cp_event(dev, pid, RCR_BAD, CP_CONF_REJ, id, rej_len, out);  in ppp_cp_parse_cr()
421 		ppp_cp_event(dev, pid, RCR_BAD, CP_CONF_NAK, id, nak_len, out);  in ppp_cp_parse_cr()
423 		ppp_cp_event(dev, pid, RCR_GOOD, CP_CONF_ACK, id, req_len, data);  in ppp_cp_parse_cr()
442 	u16 pid;  in ppp_rx()  local
457 	pid = ntohs(hdr->protocol);  in ppp_rx()
458 	proto = get_proto(dev, pid);  in ppp_rx()
485 	printk(KERN_DEBUG "%s: RX %s %s\n", dev->name, proto_name(pid),  in ppp_rx()
490 	if (pid == PID_LCP)  in ppp_rx()
493 			pid = ntohs(*(__be16 *)skb->data);  in ppp_rx()
494 			if (pid == PID_LCP || pid == PID_IPCP ||  in ppp_rx()
495 			    pid == PID_IPV6CP)  in ppp_rx()
496 				ppp_cp_event(dev, pid, RXJ_BAD, 0, 0,  in ppp_rx()
518 		ppp_cp_parse_cr(dev, pid, cp->id, len, skb->data);  in ppp_rx()
523 			ppp_cp_event(dev, pid, RCA, 0, 0, 0, NULL);  in ppp_rx()
529 			ppp_cp_event(dev, pid, RCN, 0, 0, 0, NULL);  in ppp_rx()
533 		ppp_cp_event(dev, pid, RTR, 0, cp->id, 0, NULL);  in ppp_rx()
537 		ppp_cp_event(dev, pid, RTA, 0, 0, 0, NULL);  in ppp_rx()
541 		ppp_cp_event(dev, pid, RXJ_BAD, 0, 0, 0, NULL);  in ppp_rx()
548 		ppp_cp_event(dev, pid, RUC, 0, 0, len, cp);  in ppp_rx()
582 			ppp_cp_event(proto->dev, proto->pid, TO_GOOD, 0, 0,  in ppp_timer()
586 			ppp_cp_event(proto->dev, proto->pid, TO_GOOD, 0, 0,  in ppp_timer()
589 			ppp_cp_event(proto->dev, proto->pid, TO_BAD, 0, 0,  in ppp_timer()
594 		if (proto->pid != PID_LCP)  in ppp_timer()
627 	ppp->protos[IDX_LCP].pid = PID_LCP;  in ppp_start()
628 	ppp->protos[IDX_IPCP].pid = PID_IPCP;  in ppp_start()
629 	ppp->protos[IDX_IPV6CP].pid = PID_IPV6CP;  in ppp_start()