1/* $NetBSD: if_gre.h,v 1.13 2003/11/10 08:51:52 wiz Exp $ */
2/* $FreeBSD: head/sys/net/if_gre.h 125020 2004-01-26 12:21:59Z sobomax $ */
3
4/*
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Heiko W.Rupp <hwr@pilhuhn.de>
10 *
--- 7 unchanged lines hidden (view full) ---
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
--- 18 unchanged lines hidden (view full) ---
53 struct in_addr g_dst; /* destination address of gre packets */
54 struct route route; /* routing entry that determines, where a
55 encapsulated packet should go */
56 u_char g_proto; /* protocol of encapsulator */
57
58 const struct encaptab *encap; /* encapsulation cookie */
59
60 int called; /* infinite recursion preventer */
61};
62
63
64struct gre_h {
65 u_int16_t flags; /* GRE flags */
66 u_int16_t ptype; /* protocol type of payload typically
67 Ether protocol type*/
68/*
69 * from here on: fields are optional, presence indicated by flags
70 *
71 u_int_16 checksum checksum (one-complements of GRE header
72 and payload
73 Present if (ck_pres | rt_pres == 1).
74 Valid if (ck_pres == 1).
75 u_int_16 offset offset from start of routing filed to
76 first octet of active SRE (see below).
77 Present if (ck_pres | rt_pres == 1).
--- 35 unchanged lines hidden (view full) ---
113
114/*
115 * gre_sre defines a Source route Entry. These are needed if packets
116 * should be routed over more than one tunnel hop by hop
117 */
118struct gre_sre {
119 u_int16_t sre_family; /* address family */
120 u_char sre_offset; /* offset to first octet of active entry */
121 u_char sre_length; /* number of octets in the SRE.
122 sre_lengthl==0 -> last entry. */
123 u_char *sre_rtinfo; /* the routing information */
124};
125
126struct greioctl {
127 int unit;
128 struct in_addr addr;
129};
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146#define MOB_H_SIZ_S (sizeof(struct mobile_h) - sizeof(u_int32_t))
147#define MOB_H_SIZ_L (sizeof(struct mobile_h))
148#define MOB_H_SBIT 0x0080
149
150#define GRE_TTL 30
151
152#endif /* _KERNEL */
153
154/*
155 * ioctls needed to manipulate the interface
156 */
157
158#define GRESADDRS _IOW('i', 101, struct ifreq)
159#define GRESADDRD _IOW('i', 102, struct ifreq)
160#define GREGADDRS _IOWR('i', 103, struct ifreq)
161#define GREGADDRD _IOWR('i', 104, struct ifreq)
162#define GRESPROTO _IOW('i' , 105, struct ifreq)
163#define GREGPROTO _IOWR('i', 106, struct ifreq)
164
165#ifdef _KERNEL
166LIST_HEAD(gre_softc_head, gre_softc);
167extern struct gre_softc_head gre_softc_list;
168
169u_int16_t gre_in_cksum(u_int16_t *, u_int);
170#endif /* _KERNEL */
171
172#endif
2/* $FreeBSD: head/sys/net/if_gre.h 125020 2004-01-26 12:21:59Z sobomax $ */
3
4/*
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Heiko W.Rupp <hwr@pilhuhn.de>
10 *
--- 7 unchanged lines hidden (view full) ---
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
--- 18 unchanged lines hidden (view full) ---
53 struct in_addr g_dst; /* destination address of gre packets */
54 struct route route; /* routing entry that determines, where a
55 encapsulated packet should go */
56 u_char g_proto; /* protocol of encapsulator */
57
58 const struct encaptab *encap; /* encapsulation cookie */
59
60 int called; /* infinite recursion preventer */
61};
62
63
64struct gre_h {
65 u_int16_t flags; /* GRE flags */
66 u_int16_t ptype; /* protocol type of payload typically
67 Ether protocol type*/
68/*
69 * from here on: fields are optional, presence indicated by flags
70 *
71 u_int_16 checksum checksum (one-complements of GRE header
72 and payload
73 Present if (ck_pres | rt_pres == 1).
74 Valid if (ck_pres == 1).
75 u_int_16 offset offset from start of routing filed to
76 first octet of active SRE (see below).
77 Present if (ck_pres | rt_pres == 1).
--- 35 unchanged lines hidden (view full) ---
113
114/*
115 * gre_sre defines a Source route Entry. These are needed if packets
116 * should be routed over more than one tunnel hop by hop
117 */
118struct gre_sre {
119 u_int16_t sre_family; /* address family */
120 u_char sre_offset; /* offset to first octet of active entry */
121 u_char sre_length; /* number of octets in the SRE.
122 sre_lengthl==0 -> last entry. */
123 u_char *sre_rtinfo; /* the routing information */
124};
125
126struct greioctl {
127 int unit;
128 struct in_addr addr;
129};
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146#define MOB_H_SIZ_S (sizeof(struct mobile_h) - sizeof(u_int32_t))
147#define MOB_H_SIZ_L (sizeof(struct mobile_h))
148#define MOB_H_SBIT 0x0080
149
150#define GRE_TTL 30
151
152#endif /* _KERNEL */
153
154/*
155 * ioctls needed to manipulate the interface
156 */
157
158#define GRESADDRS _IOW('i', 101, struct ifreq)
159#define GRESADDRD _IOW('i', 102, struct ifreq)
160#define GREGADDRS _IOWR('i', 103, struct ifreq)
161#define GREGADDRD _IOWR('i', 104, struct ifreq)
162#define GRESPROTO _IOW('i' , 105, struct ifreq)
163#define GREGPROTO _IOWR('i', 106, struct ifreq)
164
165#ifdef _KERNEL
166LIST_HEAD(gre_softc_head, gre_softc);
167extern struct gre_softc_head gre_softc_list;
168
169u_int16_t gre_in_cksum(u_int16_t *, u_int);
170#endif /* _KERNEL */
171
172#endif