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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* sppptun.h - ioctl and other miscellaneous definitions for PPP
* tunneling STREAMS module
*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* See also:
* RFC 2341, Cisco Layer Two Forwarding (Protocol) "L2F"
* RFC 2516, A Method for Transmitting PPP Over Ethernet (PPPoE)
* RFC 2637, Point-to-Point Tunneling Protocol (PPTP)
* RFC 2661, Layer Two Tunneling Protocol "L2TP"
*/
#ifndef __SPPPTUN_H
#define __SPPPTUN_H
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ethernet.h>
#include <net/if.h>
#include <netinet/in.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Device name */
#define PPP_TUN_NAME "sppptun"
/* The constant below is "TUN" in hex. */
#define _PPPTUN(n) (0x54554E00 + (n))
/*
* Except where otherwise noted (mod), these apply to the driver side
* of the PPP tunnel multiplexor.
*/
#define PPPTUN_SNAME _PPPTUN(1) /* set interface name (mod) */
#define PPPTUN_SINFO _PPPTUN(3) /* set multiplex ID/style */
#define PPPTUN_GINFO _PPPTUN(4) /* get multiplex ID/style */
#define PPPTUN_GNNAME _PPPTUN(5) /* get Nth interface name */
#define PPPTUN_LCLADDR _PPPTUN(6) /* set local address */
#define PPPTUN_SPEER _PPPTUN(7) /* set peer ID */
#define PPPTUN_GPEER _PPPTUN(8) /* get peer ID */
#define PPPTUN_SDATA _PPPTUN(9) /* set data channel by name */
#define PPPTUN_GDATA _PPPTUN(10) /* get data channel name */
#define PPPTUN_SCTL _PPPTUN(11) /* set control channel by name */
#define PPPTUN_GCTL _PPPTUN(12) /* get control channel name */
#define PPPTUN_DCTL _PPPTUN(13) /* remove control channel */
#define PPPTUN_SSAP _PPPTUN(14) /* set SAP value; uint_t */
/* Lower layer link name size */
#define PPPTUNNAMSIZ 32
typedef char ppptun_lname[PPPTUNNAMSIZ];
/*
* For PPPTUN_SNAME, PPPTUN_GNAME, PPPTUN_SDATA, PPPTUN_GDATA,
* PPPTUN_SCTL, PPPTUN_GCTL, and PPPTUN_DCTL, just this structure is
* used.
*
* PPPTUN_GNNAME takes in a single int (0...N) and this structure is
* returned. Use ptn_index to pass in the index.
*/
union ppptun_name {
uint32_t ptn_index;
ppptun_lname ptn_name;
};
/* PPPTUN_SINFO and PPPTUN_GINFO use this structure */
struct ppptun_info {
ppptun_lname pti_name;
uint32_t pti_muxid; /* ID from I_PLINK (not L2F!) */
uint32_t pti_style; /* One of PTS_* below */
};
#define PTS_NONE 0 /* Illegal configuration */
#define PTS_PPPOE 1 /* DLPI PPPoE */
#define PTS_L2FTP 2 /* TLI L2F or L2TP over UDP GRE */
#define PTS_PPTP 3 /* TPI PPTP over IP GRE */
#define PTS__MAX 4 /* one greater than last above */
struct ppptun_gre_addr {
struct in6_addr ptga_peer_ip;
uint16_t ptga_peer_port; /* L2TP or L2F, not PPTP */
uint8_t ptga_version; /* one of PTGAV_* below */
};
struct ppptun_mac_addr {
struct ether_addr ptma_mac_ether_addr;
#define ptma_mac ptma_mac_ether_addr.ether_addr_octet
};
/* Values for ptga_version; corresponds to GRE version number */
#define PTGAV_L2F 0x01
#define PTGAV_PPTP 0x01
#define PTGAV_L2TP 0x02
typedef union {
struct ppptun_gre_addr pta_l2f;
struct ppptun_gre_addr pta_l2tp;
struct ppptun_gre_addr pta_pptp;
struct ppptun_mac_addr pta_pppoe;
} ppptun_atype;
/* For PPPTUN_SPEER and PPPTUN_GPEER; the address depends on the style */
struct ppptun_peer {
uint32_t ptp_style; /* Sanity check; must match lower */
uint32_t ptp_flags; /* See PTPF_* below */
uint32_t ptp_ltunid; /* Local Tunnel ID (L2F/L2TP) */
uint32_t ptp_rtunid; /* Remote Tunnel ID (L2F/L2TP) */
uint32_t ptp_lsessid; /* Local Session ID */
uint32_t ptp_rsessid; /* Remote Session ID */
ppptun_atype ptp_address; /* Peer address */
};
#define PTPF_DAEMON 0x00000001 /* server side; session ID 0 */
/* For M_PROTO (control message) */
struct ppptun_control {
uint32_t ptc_discrim; /* Use PPPOE_DISCRIM */
uint32_t ptc_action; /* See PTCA_* below */
uint32_t ptc_rsessid; /* Remote session ID */
ppptun_atype ptc_address; /* Peer address (if any) */
ppptun_lname ptc_name; /* Lower stream name (if any) */
};
/*
* This value, currently set to the characters "POE1," is used to
* distinguish among control messages from multiple lower streams
* under /dev/sppp. This feature is needed to support PPP translation
* (LAC-like behavior), but isn't currently used.
*/
#define PPPOE_DISCRIM 0x504F4531
#define PTCA_TEST 1 /* Test/set stream discriminator */
#define PTCA_CONTROL 2 /* Inbound control message */
#define PTCA_DISCONNECT 3 /* Client disconnected */
#define PTCA_UNPLUMB 4 /* Lower stream unplumbed (no addr) */
#define PTCA_BADCTRL 5 /* Malformed control message */
#ifdef __cplusplus
}
#endif
#endif /* __SPPPTUN_H */
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