72 struct ppp {  struct
104 static inline struct ppp* get_ppp(struct net_device *dev)  in get_ppp()
106 	return (struct ppp *)dev_to_hdlc(dev)->state;  in get_ppp()
111 	struct ppp *ppp = get_ppp(dev);  in get_proto()  local
115 		return &ppp->protos[IDX_LCP];  in get_proto()
117 		return &ppp->protos[IDX_IPCP];  in get_proto()
119 		return &ppp->protos[IDX_IPV6CP];  in get_proto()
306 	struct ppp *ppp = get_ppp(dev);  in ppp_cp_event()  local
323 			  jiffies + ppp->req_timeout * HZ);  in ppp_cp_event()
328 			ppp->term_retries : ppp->cr_retries;  in ppp_cp_event()
331 		ppp_tx_cp(dev, pid, CP_CONF_REQ, proto->cr_id = ++ppp->seq,  in ppp_cp_event()
338 		ppp_tx_cp(dev, pid, CP_TERM_REQ, ++ppp->seq, 0, NULL);  in ppp_cp_event()
342 		ppp_tx_cp(dev, pid, CP_CODE_REJ, ++ppp->seq, len, data);  in ppp_cp_event()
350 			ppp->last_pong = jiffies;  in ppp_cp_event()
352 				  jiffies + ppp->keepalive_interval * HZ);  in ppp_cp_event()
440 	struct ppp *ppp = get_ppp(dev);  in ppp_rx()  local
451 	spin_lock_irqsave(&ppp->lock, flags);  in ppp_rx()
463 		if (ppp->protos[IDX_LCP].state == OPENED)  in ppp_rx()
465 				  ++ppp->seq, skb->len + 2, &hdr->protocol);  in ppp_rx()
510 			if (cp->id == ppp->echo_id)  in ppp_rx()
511 				ppp->last_pong = jiffies;  in ppp_rx()
559 	spin_unlock_irqrestore(&ppp->lock, flags);  in ppp_rx()
568 	struct ppp *ppp = get_ppp(proto->dev);  in ppp_timer()  local
571 	spin_lock_irqsave(&ppp->lock, flags);  in ppp_timer()
576 		spin_unlock_irqrestore(&ppp->lock, flags);  in ppp_timer()
599 		if (time_after(jiffies, ppp->last_pong +  in ppp_timer()
600 			       ppp->keepalive_timeout * HZ)) {  in ppp_timer()
605 			ppp->echo_id = ++ppp->seq;  in ppp_timer()
607 				  ppp->echo_id, 0, NULL);  in ppp_timer()
609 				ppp->keepalive_interval * HZ;  in ppp_timer()
614 	spin_unlock_irqrestore(&ppp->lock, flags);  in ppp_timer()
621 	struct ppp *ppp = get_ppp(dev);  in ppp_start()  local
625 		struct proto *proto = &ppp->protos[i];  in ppp_start()
630 	ppp->protos[IDX_LCP].pid = PID_LCP;  in ppp_start()
631 	ppp->protos[IDX_IPCP].pid = PID_IPCP;  in ppp_start()
632 	ppp->protos[IDX_IPV6CP].pid = PID_IPV6CP;  in ppp_start()
664 	struct ppp *ppp;  in ppp_ioctl()  local
687 		result = attach_hdlc_protocol(dev, &proto, sizeof(struct ppp));  in ppp_ioctl()
691 		ppp = get_ppp(dev);  in ppp_ioctl()
692 		spin_lock_init(&ppp->lock);  in ppp_ioctl()
693 		ppp->req_timeout = 2;  in ppp_ioctl()
694 		ppp->cr_retries = 10;  in ppp_ioctl()
695 		ppp->term_retries = 2;  in ppp_ioctl()
696 		ppp->keepalive_interval = 10;  in ppp_ioctl()
697 		ppp->keepalive_timeout = 60;  in ppp_ioctl()