about summary refs log tree commit diff
path: root/sysdeps/mach/hurd/net/route.h
blob: 61e4ccc564b39506ec8a6b4d25af8c09567c77c6 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/* Copyright (C) 1997-2022 Free Software Foundation, Inc..
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

/* Based on the 4.4BSD and Linux version of this file.  */

#ifndef _NET_ROUTE_H

#define _NET_ROUTE_H	1
#include <features.h>

#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>


/* This structure gets passed by the SIOCADDRT and SIOCDELRT calls. */
struct rtentry
  {
    unsigned long int rt_pad1;
    struct sockaddr rt_dst;		/* Target address.  */
    struct sockaddr rt_gateway;		/* Gateway addr (RTF_GATEWAY).  */
    struct sockaddr rt_genmask;		/* Target network mask (IP).  */
    unsigned short int rt_flags;
    short int rt_pad2;
    unsigned long int rt_pad3;
    unsigned char rt_tos;
    unsigned char rt_class;
    short int rt_pad4;
    short int rt_metric;		/* +1 for binary compatibility!  */
    char *rt_dev;			/* Forcing the device at add.  */
    unsigned long int rt_mtu;		/* Per route MTU/Window.  */
    unsigned long int rt_window;	/* Window clamping.  */
    unsigned short int rt_irtt;		/* Initial RTT.  */
  };
/* Compatibility hack.  */
#define rt_mss	rt_mtu


struct in6_rtmsg
  {
    struct in6_addr rtmsg_dst;
    struct in6_addr rtmsg_src;
    struct in6_addr rtmsg_gateway;
    uint32_t rtmsg_type;
    uint16_t rtmsg_dst_len;
    uint16_t rtmsg_src_len;
    uint32_t rtmsg_metric;
    unsigned long int rtmsg_info;
    uint32_t rtmsg_flags;
    int rtmsg_ifindex;
  };


#define	RTF_UP		0x0001		/* Route usable.  */
#define	RTF_GATEWAY	0x0002		/* Destination is a gateway.  */

#define	RTF_HOST	0x0004		/* Host entry (net otherwise).  */
#define RTF_REINSTATE	0x0008		/* Reinstate route after timeout.  */
#define	RTF_DYNAMIC	0x0010		/* Created dyn. (by redirect).  */
#define	RTF_MODIFIED	0x0020		/* Modified dyn. (by redirect).  */
#define RTF_MTU		0x0040		/* Specific MTU for this route.  */
#define RTF_MSS		RTF_MTU		/* Compatibility.  */
#define RTF_WINDOW	0x0080		/* Per route window clamping.  */
#define RTF_IRTT	0x0100		/* Initial round trip time.  */
#define RTF_REJECT	0x0200		/* Reject route.  */
#define	RTF_STATIC	0x0400		/* Manually injected route.  */
#define	RTF_XRESOLVE	0x0800		/* External resolver.  */
#define RTF_NOFORWARD   0x1000		/* Forwarding inhibited.  */
#define RTF_THROW	0x2000		/* Go to next class.  */
#define RTF_NOPMTUDISC  0x4000		/* Do not send packets with DF.  */

/* for IPv6 */
#define RTF_DEFAULT	0x00010000	/* default - learned via ND	*/
#define RTF_ALLONLINK	0x00020000	/* fallback, no routers on link	*/
#define RTF_ADDRCONF	0x00040000	/* addrconf route - RA		*/

#define RTF_LINKRT	0x00100000	/* link specific - device match	*/
#define RTF_NONEXTHOP	0x00200000	/* route with no nexthop	*/

#define RTF_CACHE	0x01000000	/* cache entry			*/
#define RTF_FLOW	0x02000000	/* flow significant route	*/
#define RTF_POLICY	0x04000000	/* policy route			*/

#define RTCF_VALVE	0x00200000
#define RTCF_MASQ	0x00400000
#define RTCF_NAT	0x00800000
#define RTCF_DOREDIRECT 0x01000000
#define RTCF_LOG	0x02000000
#define RTCF_DIRECTSRC	0x04000000

#define RTF_LOCAL	0x80000000
#define RTF_INTERFACE	0x40000000
#define RTF_MULTICAST	0x20000000
#define RTF_BROADCAST	0x10000000
#define RTF_NAT		0x08000000

#define RTF_ADDRCLASSMASK	0xF8000000
#define RT_ADDRCLASS(flags)	((uint32_t) flags >> 23)

#define RT_TOS(tos)		((tos) & IPTOS_TOS_MASK)

#define RT_LOCALADDR(flags)	((flags & RTF_ADDRCLASSMASK) \
				 == (RTF_LOCAL|RTF_INTERFACE))

#define RT_CLASS_UNSPEC		0
#define RT_CLASS_DEFAULT	253

#define RT_CLASS_MAIN		254
#define RT_CLASS_LOCAL		255
#define RT_CLASS_MAX		255


#define RTMSG_ACK		NLMSG_ACK
#define RTMSG_OVERRUN		NLMSG_OVERRUN

#define RTMSG_NEWDEVICE		0x11
#define RTMSG_DELDEVICE		0x12
#define RTMSG_NEWROUTE		0x21
#define RTMSG_DELROUTE		0x22
#define RTMSG_NEWRULE		0x31
#define RTMSG_DELRULE		0x32
#define RTMSG_CONTROL		0x40

#define RTMSG_AR_FAILED		0x51	/* Address Resolution failed.  */

#endif /* net/route.h */