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- /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
- /*
- * INET An implementation of the TCP/IP protocol suite for the LINUX
- * operating system. INET is implemented using the BSD Socket
- * interface as the means of communication with the user level.
- *
- * Global definitions for the IP router interface.
- *
- * Version: @(#)route.h 1.0.3 05/27/93
- *
- * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988
- * for the purposes of compatibility only.
- *
- * Fred N. van Kempen, <[email protected]>
- *
- * Changes:
- * Mike McLagan : Routing by source
- *
- * 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_ROUTE_H
- #define _LINUX_ROUTE_H
- #include <linux/if.h>
- #include <linux/compiler.h>
- /* This structure gets passed by the SIOCADDRT and SIOCDELRT calls. */
- struct rtentry {
- unsigned long 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 rt_flags;
- short rt_pad2;
- unsigned long rt_pad3;
- void *rt_pad4;
- short rt_metric; /* +1 for binary compatibility! */
- char __user *rt_dev; /* forcing the device at add */
- unsigned long rt_mtu; /* per route MTU/Window */
- #ifndef __KERNEL__
- #define rt_mss rt_mtu /* Compatibility :-( */
- #endif
- unsigned long rt_window; /* Window clamping */
- unsigned short rt_irtt; /* Initial RTT */
- };
- #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 tmout */
- #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 */
- /*
- * <linux/ipv6_route.h> uses RTF values >= 64k
- */
- #endif /* _LINUX_ROUTE_H */
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