diff options
Diffstat (limited to 'kernel/include/linux/if_pppox.h')
| -rw-r--r-- | kernel/include/linux/if_pppox.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/kernel/include/linux/if_pppox.h b/kernel/include/linux/if_pppox.h new file mode 100644 index 000000000..66a7d7600 --- /dev/null +++ b/kernel/include/linux/if_pppox.h @@ -0,0 +1,98 @@ +/*************************************************************************** + * 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 __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 sockaddr_pppox relay; /* what socket data will be + relayed to (PPPoE relaying) */ + 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 *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 +#define pppoe_relay proto.pppoe.relay + +static inline struct pppox_sock *pppox_sk(struct sock *sk) +{ + return (struct pppox_sock *)sk; +} + +static inline struct sock *sk_pppox(struct pppox_sock *po) +{ + return (struct sock *)po; +} + +struct module; + +struct pppox_proto { + int (*create)(struct net *net, struct socket *sock); + 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); + +/* PPPoX socket states */ +enum { + PPPOX_NONE = 0, /* initial state */ + PPPOX_CONNECTED = 1, /* connection established ==TCP_ESTABLISHED */ + PPPOX_BOUND = 2, /* bound to ppp device */ + PPPOX_RELAY = 4, /* forwarding is enabled */ + PPPOX_ZOMBIE = 8, /* dead, but still bound to ppp device */ + PPPOX_DEAD = 16 /* dead, useless, please clean me up!*/ +}; + +#endif /* !(__LINUX_IF_PPPOX_H) */ |