void pppoe_sess_send(const uint8_t *pack, uint16_t l, tunnelidt t);
uint8_t *pppoe_makeppp(uint8_t *b, int size, uint8_t *p, int l, sessionidt s, tunnelidt t,
uint16_t mtype, uint8_t prio, bundleidt bid, uint8_t mp_bits);
+uint8_t *opt_pppoe_makeppp(uint8_t *p, int l, sessionidt s, tunnelidt t, uint16_t mtype, uint8_t prio, bundleidt bid, uint8_t mp_bits);
void pppoe_shutdown_session(sessionidt s);
void pppoe_forwardto_session_pppoe(uint8_t *pack, int size, sessionidt sess, uint16_t proto);
void pppoe_process_forward(uint8_t *pack, int size, in_addr_t addr);