pppox_sock 50 include/linux/if_pppox.h struct pppox_sock *next; /* for hash table */ pppox_sock 62 include/linux/if_pppox.h static inline struct pppox_sock *pppox_sk(struct sock *sk) pppox_sock 64 include/linux/if_pppox.h return (struct pppox_sock *)sk; pppox_sock 67 include/linux/if_pppox.h static inline struct sock *sk_pppox(struct pppox_sock *po)