52 struct hdlc_header {  struct
144 	struct hdlc_header *data = (struct hdlc_header*)skb->data;  in ppp_type_trans()
146 	if (skb->len < sizeof(struct hdlc_header))  in ppp_type_trans()
154 		skb_pull(skb, sizeof(struct hdlc_header));  in ppp_type_trans()
158 		skb_pull(skb, sizeof(struct hdlc_header));  in ppp_type_trans()
171 	struct hdlc_header *data;  in ppp_hard_header()
176 	skb_push(skb, sizeof(struct hdlc_header));  in ppp_hard_header()
177 	data = (struct hdlc_header*)skb->data;  in ppp_hard_header()
196 	return sizeof(struct hdlc_header);  in ppp_hard_header()
223 	skb = dev_alloc_skb(sizeof(struct hdlc_header) +  in ppp_tx_cp()
229 	skb_reserve(skb, sizeof(struct hdlc_header));  in ppp_tx_cp()
434 	struct hdlc_header *hdr = (struct hdlc_header*)skb->data;  in ppp_rx()
449 	if (skb->len < sizeof(struct hdlc_header))  in ppp_rx()
451 	cp = (struct cp_header*)skb_pull(skb, sizeof(struct hdlc_header));  in ppp_rx()
687 		dev->hard_header_len = sizeof(struct hdlc_header);  in ppp_ioctl()