/* $Id: pipex.h,v 1.2 2010/01/12 02:24:35 yasuoka Exp $ */ /* * Copyright (c) 2009 Internet Initiative Japan Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef NET_PIPEX_H #define NET_PIPEX_H 1 #define PIPEX_ENABLE 1 #define PIPEX_DISABLE 0 #define PIPEX_PROTO_PPPOE 0x8864 /* protocol pppoe */ #define PIPEX_PROTO_PPTP 0x880b /* protocol pptp */ #define PIPEX_MAX_LISTREQ 128 /* list request size */ #define PIPEX_MPPE_KEYLEN 16 /* pipex_mppe */ struct pipex_mppe_req { int16_t stateless; /* mppe key mode */ int16_t keylenbits; /* mppe key length(in bits)*/ u_char master_key[PIPEX_MPPE_KEYLEN]; /* mppe mastter key */ }; /* pppac ip-extension forwarded statistics */ struct pipex_statistics { uint32_t ipackets; /* tunnel to network */ uint32_t ierrors; /* tunnel to network */ uint64_t ibytes; /* tunnel to network */ uint32_t opackets; /* network to tunnel */ uint32_t oerrors; /* network to tunnel */ uint64_t obytes; /* network to tunnel */ uint32_t idle_time; /* idle timer */ }; struct pipex_session_req { int pr_protocol; /* tunnel protocol */ uint16_t pr_session_id; /* session-id */ uint16_t pr_peer_session_id; /* peer's session-id */ uint32_t pr_ppp_flags; /* PPP configuration flags */ #define PIPEX_PPP_ACFC_ACCEPTED 0x00000001 #define PIPEX_PPP_PFC_ACCEPTED 0x00000002 #define PIPEX_PPP_ACFC_ENABLED 0x00000004 #define PIPEX_PPP_PFC_ENABLED 0x00000008 #define PIPEX_PPP_MPPE_ACCEPTED 0x00000010 #define PIPEX_PPP_MPPE_ENABLED 0x00000020 #define PIPEX_PPP_MPPE_REQUIRED 0x00000040 #define PIPEX_PPP_HAS_ACF 0x00000080 #define PIPEX_PPP_ADJUST_TCPMSS 0x00000100 int8_t pr_ccp_id; /* CCP current packet id */ int pr_ppp_id; /* PPP Id. */ uint16_t pr_peer_mru; /* Peer's MRU */ uint16_t pr_timeout_sec; /* Idle Timer */ struct in_addr pr_ip_address; /* framed IP-Address */ struct in_addr pr_ip_netmask; /* framed IP-Netmask */ union { struct { uint32_t snd_nxt; /* send next */ uint32_t rcv_nxt; /* receive next */ uint32_t snd_una; /* unacked */ uint32_t rcv_acked; /* recv acked */ int winsz; /* window size */ int maxwinsz; /* max window size */ int peer_maxwinsz; /* peer's max window size */ struct in_addr peer_address; /* peer's IP address */ struct in_addr our_address; /* our IP address */ } pptp; struct { char over_ifname[IF_NAMESIZE]; /* ethernet i/f name */ struct ether_addr peer_address;/* peer's ether address*/ } pppoe; } pr_proto; struct pipex_mppe_req pr_mppe_recv; struct pipex_mppe_req pr_mppe_send; }; struct pipex_session_stat_req { int psr_protocol; /* tunnel protocol */ uint16_t psr_session_id; /* session-id */ struct pipex_statistics psr_stat; /* statistics */ }; #define pipex_session_close_req pipex_session_stat_req #define pcr_protocol psr_protocol #define pcr_session_id psr_session_id #define pcr_stat psr_stat struct pipex_session_list_req { uint8_t plr_flags; #define PIPEX_LISTREQ_NONE 0x00 #define PIPEX_LISTREQ_MORE 0x01 int plr_ppp_id_count; /* count of PPP id */ int plr_ppp_id[PIPEX_MAX_LISTREQ]; /* PPP id */ }; struct pipex_session_config_req { int pcr_protocol; /* tunnel protocol */ uint16_t pcr_session_id; /* session-id */ int pcr_ip_forward; /* ip_forwarding on/off */ }; /* PIPEX ioctls */ #define PIPEXSMODE _IOW ('t', 96, int) #define PIPEXGMODE _IOR ('t', 97, int) #define PIPEXASESSION _IOW ('t', 98, struct pipex_session_req) #define PIPEXDSESSION _IOWR('t', 99, struct pipex_session_close_req) #define PIPEXCSESSION _IOW ('t', 100, struct pipex_session_config_req) #define PIPEXGSTAT _IOWR('t', 101, struct pipex_session_stat_req) #define PIPEXGCLOSED _IOR ('t', 102, struct pipex_session_list_req) #ifdef _KERNEL struct pipex_session; /* pipex context for a interface. */ struct pipex_iface_context { struct ifnet *ifnet_this; /* outer interface */ u_int pipexmode; /* pppac ipex mode */ /* virtual pipex_session entry for multicast routing */ struct pipex_session *multicast_session; }; #include __BEGIN_DECLS void pipex_init (void); void pipex_iface_init (struct pipex_iface_context *, struct ifnet *); void pipex_iface_start (struct pipex_iface_context *); void pipex_iface_stop (struct pipex_iface_context *); int pipex_notify_close_session(struct pipex_session *session); int pipex_notify_close_session_all(void); struct pipex_session *pipex_ip_lookup_session (struct mbuf *, struct pipex_iface_context *); void pipex_ip_output (struct mbuf *, struct pipex_session *); struct pipex_session *pipex_pppoe_lookup_session (struct mbuf *); struct mbuf *pipex_pppoe_input (struct mbuf *, struct pipex_session *); struct pipex_session *pipex_pptp_lookup_session (struct mbuf *); struct mbuf *pipex_pptp_input (struct mbuf *, struct pipex_session *); struct pipex_session *pipex_pptp_userland_lookup_session (struct mbuf *, struct in_addr); struct mbuf *pipex_pptp_userland_output (struct mbuf *, struct pipex_session *); int pipex_ioctl (struct pipex_iface_context *, int, caddr_t); __END_DECLS #endif /* _KERNEL */ #endif