in_route.h

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#ifndef _LINUX_IN_ROUTE_H
#define _LINUX_IN_ROUTE_H

/* IPv4 routing cache flags */

#define RTCF_DEAD   RTNH_F_DEAD
#define RTCF_ONLINK RTNH_F_ONLINK

/* Obsolete flag. About to be deleted */
#define RTCF_NOPMTUDISC RTM_F_NOPMTUDISC

#define RTCF_NOTIFY 0x00010000
#define RTCF_DIRECTDST  0x00020000 /* unused */
#define RTCF_REDIRECTED 0x00040000
#define RTCF_TPROXY 0x00080000 /* unused */

#define RTCF_FAST   0x00200000 /* unused */
#define RTCF_MASQ   0x00400000 /* unused */
#define RTCF_SNAT   0x00800000 /* unused */
#define RTCF_DOREDIRECT 0x01000000
#define RTCF_DIRECTSRC  0x04000000
#define RTCF_DNAT   0x08000000
#define RTCF_BROADCAST  0x10000000
#define RTCF_MULTICAST  0x20000000
#define RTCF_REJECT 0x40000000 /* unused */
#define RTCF_LOCAL  0x80000000

#define RTCF_NAT    (RTCF_DNAT|RTCF_SNAT)

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

#endif /* _LINUX_IN_ROUTE_H */