/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /*************************************************************************** * Linux PPP over X - Generic PPP transport layer sockets * Linux PPP over Ethernet (PPPoE) Socket Implementation (RFC 2516) * * This file supplies definitions required by the PPP over Ethernet driver * (pppox.c). All version information wrt this file is located in pppox.c * * License: * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * */ #ifndef _UAPI__LINUX_IF_PPPOX_H #define _UAPI__LINUX_IF_PPPOX_H #include <linux/types.h> #include <asm/byteorder.h> #include <linux/socket.h> #include <linux/if.h> #include <linux/if_ether.h> #include <linux/if_pppol2tp.h> #include <linux/in.h> #include <linux/in6.h> /* For user-space programs to pick up these definitions * which they wouldn't get otherwise without defining __KERNEL__ */ #ifndef AF_PPPOX #define AF_PPPOX … #define PF_PPPOX … #endif /* !(AF_PPPOX) */ /************************************************************************ * PPPoE addressing definition */ sid_t; struct pppoe_addr { … }; /************************************************************************ * PPTP addressing definition */ struct pptp_addr { … }; /************************************************************************ * Protocols supported by AF_PPPOX */ #define PX_PROTO_OE … #define PX_PROTO_OL2TP … #define PX_PROTO_PPTP … #define PX_MAX_PROTO … struct sockaddr_pppox { … } __packed; /* The use of the above union isn't viable because the size of this * struct must stay fixed over time -- applications use sizeof(struct * sockaddr_pppox) to fill it. We use a protocol specific sockaddr * type instead. */ struct sockaddr_pppol2tp { … } __packed; struct sockaddr_pppol2tpin6 { … } __packed; /* The L2TPv3 protocol changes tunnel and session ids from 16 to 32 * bits. So we need a different sockaddr structure. */ struct sockaddr_pppol2tpv3 { … } __packed; struct sockaddr_pppol2tpv3in6 { … } __packed; /********************************************************************* * * ioctl interface for defining forwarding of connections * ********************************************************************/ #define PPPOEIOCSFWD … #define PPPOEIOCDFWD … /*#define PPPOEIOCGFWD _IOWR(0xB1,2, size_t)*/ /* Codes to identify message types */ #define PADI_CODE … #define PADO_CODE … #define PADR_CODE … #define PADS_CODE … #define PADT_CODE … struct pppoe_tag { … } __attribute__ ((packed)); /* Tag identifiers */ #define PTT_EOL … #define PTT_SRV_NAME … #define PTT_AC_NAME … #define PTT_HOST_UNIQ … #define PTT_AC_COOKIE … #define PTT_VENDOR … #define PTT_RELAY_SID … #define PTT_SRV_ERR … #define PTT_SYS_ERR … #define PTT_GEN_ERR … struct pppoe_hdr { … } __packed; /* Length of entire PPPoE + PPP header */ #define PPPOE_SES_HLEN … #endif /* _UAPI__LINUX_IF_PPPOX_H */
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