route.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:5k
- /* Copyright (C) 1997, 2002 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- /* 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>
- #include <bits/wordsize.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;
- #if __WORDSIZE == 64
- short int rt_pad4[3];
- #else
- short int rt_pad4;
- #endif
- 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;
- u_int32_t rtmsg_type;
- u_int16_t rtmsg_dst_len;
- u_int16_t rtmsg_src_len;
- u_int32_t rtmsg_metric;
- unsigned long int rtmsg_info;
- u_int32_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) ((__u_int32_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 */