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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384/* SPDX-License-Identifier: GPL-2.0-or-later *//*************************************************************************** * 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 */#ifndef __LINUX_IF_PPPOX_H#define __LINUX_IF_PPPOX_H
#include <linux/if.h>#include <linux/netdevice.h>#include <linux/ppp_channel.h>#include <linux/skbuff.h>#include <linux/workqueue.h>#include <uapi/linux/if_pppox.h>
static inline struct pppoe_hdr *pppoe_hdr(const struct sk_buff *skb){ return (struct pppoe_hdr *)skb_network_header(skb);}
struct pppoe_opt { struct net_device *dev; /* device associated with socket*/ int ifindex; /* ifindex of device associated with socket */ struct pppoe_addr pa; /* what this socket is bound to*/ struct work_struct padt_work;/* Work item for handling PADT */};
struct pptp_opt { struct pptp_addr src_addr; struct pptp_addr dst_addr; u32 ack_sent, ack_recv; u32 seq_sent, seq_recv; int ppp_flags;};#include <net/sock.h>
struct pppox_sock { /* struct sock must be the first member of pppox_sock */ struct sock sk; struct ppp_channel chan; struct pppox_sock __rcu *next; /* for hash table */ union { struct pppoe_opt pppoe; struct pptp_opt pptp; } proto; __be16 num;};#define pppoe_dev proto.pppoe.dev#define pppoe_ifindex proto.pppoe.ifindex#define pppoe_pa proto.pppoe.pa
static inline struct pppox_sock *pppox_sk(struct sock *sk){ return container_of(sk, struct pppox_sock, sk);}
struct module;
struct pppox_proto { int (*create)(struct net *net, struct socket *sock, int kern); int (*ioctl)(struct socket *sock, unsigned int cmd, unsigned long arg); struct module *owner;};
extern int register_pppox_proto(int proto_num, const struct pppox_proto *pp);extern void unregister_pppox_proto(int proto_num);extern void pppox_unbind_sock(struct sock *sk);/* delete ppp-channel binding */extern int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);extern int pppox_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
/* PPPoX socket states */enum { PPPOX_NONE = 0, /* initial state */ PPPOX_CONNECTED = 1, /* connection established ==TCP_ESTABLISHED */ PPPOX_BOUND = 2, /* bound to ppp device */ PPPOX_DEAD = 16 /* dead, useless, please clean me up!*/};
#endif /* !(__LINUX_IF_PPPOX_H) */