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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | ||
| #ifndef _LINUX_NEXTHOP_H | ||
| #define _LINUX_NEXTHOP_H | ||
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| #include <linux/types.h> | ||
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| 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 */ | ||
| }; | ||
|
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| /* entry in a nexthop group */ | ||
| struct nexthop_grp { | ||
| __u32 id; /* nexthop id - must exist */ | ||
| __u8 weight; /* weight of this nexthop */ | ||
| __u8 resvd1; | ||
| __u16 resvd2; | ||
| }; | ||
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| enum { | ||
| NEXTHOP_GRP_TYPE_MPATH, /* hash-threshold nexthop group | ||
| * default type if not specified | ||
| */ | ||
| NEXTHOP_GRP_TYPE_RES, /* resilient nexthop group */ | ||
| __NEXTHOP_GRP_TYPE_MAX, | ||
| }; | ||
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| #define NEXTHOP_GRP_TYPE_MAX (__NEXTHOP_GRP_TYPE_MAX - 1) | ||
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| enum { | ||
| NHA_UNSPEC, | ||
| NHA_ID, /* u32; id for nexthop. id == 0 means auto-assign */ | ||
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| 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 */ | ||
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| NHA_BLACKHOLE, /* flag; nexthop used to blackhole packets */ | ||
| /* if NHA_BLACKHOLE is added, OIF, GATEWAY, ENCAP can not be set */ | ||
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| 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 */ | ||
|
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| /* 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 */ | ||
|
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| NHA_FDB, /* flag; nexthop belongs to a bridge fdb */ | ||
| /* if NHA_FDB is added, OIF, BLACKHOLE, ENCAP cannot be set */ | ||
|
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| /* nested; resilient nexthop group attributes */ | ||
| NHA_RES_GROUP, | ||
| /* nested; nexthop bucket attributes */ | ||
| NHA_RES_BUCKET, | ||
|
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| __NHA_MAX, | ||
| }; | ||
|
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| #define NHA_MAX (__NHA_MAX - 1) | ||
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| enum { | ||
| NHA_RES_GROUP_UNSPEC, | ||
| /* Pad attribute for 64-bit alignment. */ | ||
| NHA_RES_GROUP_PAD = NHA_RES_GROUP_UNSPEC, | ||
|
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| /* u16; number of nexthop buckets in a resilient nexthop group */ | ||
| NHA_RES_GROUP_BUCKETS, | ||
| /* clock_t as u32; nexthop bucket idle timer (per-group) */ | ||
| NHA_RES_GROUP_IDLE_TIMER, | ||
| /* clock_t as u32; nexthop unbalanced timer */ | ||
| NHA_RES_GROUP_UNBALANCED_TIMER, | ||
| /* clock_t as u64; nexthop unbalanced time */ | ||
| NHA_RES_GROUP_UNBALANCED_TIME, | ||
|
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| __NHA_RES_GROUP_MAX, | ||
| }; | ||
|
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| #define NHA_RES_GROUP_MAX (__NHA_RES_GROUP_MAX - 1) | ||
|
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| enum { | ||
| NHA_RES_BUCKET_UNSPEC, | ||
| /* Pad attribute for 64-bit alignment. */ | ||
| NHA_RES_BUCKET_PAD = NHA_RES_BUCKET_UNSPEC, | ||
|
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| /* u16; nexthop bucket index */ | ||
| NHA_RES_BUCKET_INDEX, | ||
| /* clock_t as u64; nexthop bucket idle time */ | ||
| NHA_RES_BUCKET_IDLE_TIME, | ||
| /* u32; nexthop id assigned to the nexthop bucket */ | ||
| NHA_RES_BUCKET_NH_ID, | ||
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| __NHA_RES_BUCKET_MAX, | ||
| }; | ||
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| #define NHA_RES_BUCKET_MAX (__NHA_RES_BUCKET_MAX - 1) | ||
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| #endif |
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