60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
|
/* 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_FDB, /* flag; nexthop belongs to a bridge fdb */
|
||
|
|
/* if NHA_FDB is added, OIF, BLACKHOLE, ENCAP cannot be set */
|
||
|
|
|
||
|
|
__NHA_MAX,
|
||
|
|
};
|
||
|
|
|
||
|
|
#define NHA_MAX (__NHA_MAX - 1)
|
||
|
|
#endif
|