elaphdr
struct elaphdr *elhp, elh;
elhp = mtod(m, struct elaphdr *);
ddp_input(struct mbuf *m, struct ifnet *ifp, struct elaphdr *elh, int phase)
void ddp_input(struct mbuf *, struct ifnet *, struct elaphdr *, int);
struct elaphdr *elh;
elh = mtod(m, struct elaphdr *);