Edit File: nexthop.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_NEXTHOP_H #define _LINUX_NEXTHOP_H #include <linux/types.h> struct nhmsg { unsigned char nh_family; unsigned char nh_scope; /* return only */ unsigned char nh_protocol; /* Routing protocol that installed nh */ unsigned char resvd; unsigned int nh_flags; /* RTNH_F flags */ }; /* entry in a nexthop group */ struct nexthop_grp { __u32 id; /* nexthop id - must exist */ __u8 weight; /* weight of this nexthop */ __u8 resvd1; __u16 resvd2; }; enum { NEXTHOP_GRP_TYPE_MPATH, /* default type if not specified */ __NEXTHOP_GRP_TYPE_MAX, }; #define NEXTHOP_GRP_TYPE_MAX (__NEXTHOP_GRP_TYPE_MAX - 1) enum { NHA_UNSPEC, NHA_ID, /* u32; id for nexthop. id == 0 means auto-assign */ NHA_GROUP, /* array of nexthop_grp */ NHA_GROUP_TYPE, /* u16 one of NEXTHOP_GRP_TYPE */ /* if NHA_GROUP attribute is added, no other attributes can be set */ NHA_BLACKHOLE, /* flag; nexthop used to blackhole packets */ /* if NHA_BLACKHOLE is added, OIF, GATEWAY, ENCAP can not be set */ NHA_OIF, /* u32; nexthop device */ NHA_GATEWAY, /* be32 (IPv4) or in6_addr (IPv6) gw address */ NHA_ENCAP_TYPE, /* u16; lwt encap type */ NHA_ENCAP, /* lwt encap data */ /* NHA_OIF can be appended to dump request to return only * nexthops using given device */ NHA_GROUPS, /* flag; only return nexthop groups in dump */ NHA_MASTER, /* u32; only return nexthops with given master dev */ __NHA_MAX, }; #define NHA_MAX (__NHA_MAX - 1) #endif
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