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Commit | Line | Data |
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00959ade DK |
1 | #ifndef __LINUX_GRE_H |
2 | #define __LINUX_GRE_H | |
3 | ||
4 | #include <linux/skbuff.h> | |
c5441932 | 5 | #include <net/ip_tunnels.h> |
00959ade | 6 | |
9f57c67c PS |
7 | struct gre_base_hdr { |
8 | __be16 flags; | |
9 | __be16 protocol; | |
10 | }; | |
11 | #define GRE_HEADER_SECTION 4 | |
12 | ||
00959ade DK |
13 | #define GREPROTO_CISCO 0 |
14 | #define GREPROTO_PPTP 1 | |
15 | #define GREPROTO_MAX 2 | |
bda7bb46 | 16 | #define GRE_IP_PROTO_MAX 2 |
00959ade DK |
17 | |
18 | struct gre_protocol { | |
19 | int (*handler)(struct sk_buff *skb); | |
20 | void (*err_handler)(struct sk_buff *skb, u32 info); | |
21 | }; | |
22 | ||
23 | int gre_add_protocol(const struct gre_protocol *proto, u8 version); | |
24 | int gre_del_protocol(const struct gre_protocol *proto, u8 version); | |
25 | ||
b2acd1dc PS |
26 | struct net_device *gretap_fb_dev_create(struct net *net, const char *name, |
27 | u8 name_assign_type); | |
00959ade | 28 | #endif |