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01: /*
02:  * INET         An implementation of the TCP/IP protocol suite for the LINUX
03:  *              operating system.  INET is implemented using the  BSD Socket
04:  *              interface as the means of communication with the user level.
05:  *
06:  *              Global definitions for the IP router interface.
07:  *
08:  * Version:     @(#)route.h     1.0.3   05/27/93
09:  *
10:  * Authors:     Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988
11:  *              for the purposes of compatibility only.
12:  *
13:  *              Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
14:  *
15:  * Changes:
16:  *              Mike McLagan    :       Routing by source
17:  *
18:  *              This program is free software; you can redistribute it and/or
19:  *              modify it under the terms of the GNU General Public License
20:  *              as published by the Free Software Foundation; either version
21:  *              2 of the License, or (at your option) any later version.
22:  */
23: #ifndef _LINUX_ROUTE_H
24: #define _LINUX_ROUTE_H
25: 
26: #include <linux/if.h>
27: 
28: 
29: /* This structure gets passed by the SIOCADDRT and SIOCDELRT calls. */
30: struct rtentry {
31:         unsigned long   rt_pad1;
32:         struct sockaddr rt_dst;         /* target address               */
33:         struct sockaddr rt_gateway;     /* gateway addr (RTF_GATEWAY)   */
34:         struct sockaddr rt_genmask;     /* target network mask (IP)     */
35:         unsigned short  rt_flags;
36:         short           rt_pad2;
37:         unsigned long   rt_pad3;
38:         void            *rt_pad4;
39:         short           rt_metric;      /* +1 for binary compatibility! */
40:         char *rt_dev;   /* forcing the device at add    */
41:         unsigned long   rt_mtu;         /* per route MTU/Window         */
42: #define rt_mss  rt_mtu                  /* Compatibility :-(            */
43:         unsigned long   rt_window;      /* Window clamping              */
44:         unsigned short  rt_irtt;        /* Initial RTT                  */
45: };
46: 
47: 
48: #define RTF_UP          0x0001          /* route usable                 */
49: #define RTF_GATEWAY     0x0002          /* destination is a gateway     */
50: #define RTF_HOST        0x0004          /* host entry (net otherwise)   */
51: #define RTF_REINSTATE   0x0008          /* reinstate route after tmout  */
52: #define RTF_DYNAMIC     0x0010          /* created dyn. (by redirect)   */
53: #define RTF_MODIFIED    0x0020          /* modified dyn. (by redirect)  */
54: #define RTF_MTU         0x0040          /* specific MTU for this route  */
55: #define RTF_MSS         RTF_MTU         /* Compatibility :-(            */
56: #define RTF_WINDOW      0x0080          /* per route window clamping    */
57: #define RTF_IRTT        0x0100          /* Initial round trip time      */
58: #define RTF_REJECT      0x0200          /* Reject route                 */
59: 
60: /*
61:  *      <linux/ipv6_route.h> uses RTF values >= 64k
62:  */
63: 
64: 
65: 
66: #endif  /* _LINUX_ROUTE_H */
67: 
68: 

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