118 	int (*build_header)(struct l2tp_session *session, void *buf);
119 	void (*recv_skb)(struct l2tp_session *session, struct sk_buff *skb, int data_len);
120 	void (*session_close)(struct l2tp_session *session);
187 	int (*session_delete)(struct l2tp_session *session);
190 static inline void *l2tp_session_priv(struct l2tp_session *session)  in l2tp_session_priv()  argument
192 	return &session->priv[0];  in l2tp_session_priv()
218 int l2tp_session_register(struct l2tp_session *session,
221 void __l2tp_session_unhash(struct l2tp_session *session);
222 int l2tp_session_delete(struct l2tp_session *session);
223 void l2tp_session_free(struct l2tp_session *session);
224 void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb,
228 void l2tp_session_set_header_len(struct l2tp_session *session, int version);
230 int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb,
252 static inline void l2tp_session_inc_refcount(struct l2tp_session *session)  in l2tp_session_inc_refcount()  argument
254 	refcount_inc(&session->ref_count);  in l2tp_session_inc_refcount()
257 static inline void l2tp_session_dec_refcount(struct l2tp_session *session)  in l2tp_session_dec_refcount()  argument
259 	if (refcount_dec_and_test(&session->ref_count))  in l2tp_session_dec_refcount()
260 		l2tp_session_free(session);  in l2tp_session_dec_refcount()
263 static inline int l2tp_get_l2specific_len(struct l2tp_session *session)  in l2tp_get_l2specific_len()  argument
265 	switch (session->l2specific_type) {  in l2tp_get_l2specific_len()