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Diffstat (limited to 'include/net/route.h')
-rw-r--r-- | include/net/route.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/include/net/route.h b/include/net/route.h new file mode 100644 index 000000000..6cccbeee2 --- /dev/null +++ b/include/net/route.h @@ -0,0 +1,140 @@ +/* Copyright (C) 1997 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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> + + +/* 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; + 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 */ |