cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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nexthop.h (2835B)

      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2#ifndef _UAPI_LINUX_NEXTHOP_H
      3#define _UAPI_LINUX_NEXTHOP_H
      4
      5#include <linux/types.h>
      6
      7struct nhmsg {
      8	unsigned char	nh_family;
      9	unsigned char	nh_scope;     /* return only */
     10	unsigned char	nh_protocol;  /* Routing protocol that installed nh */
     11	unsigned char	resvd;
     12	unsigned int	nh_flags;     /* RTNH_F flags */
     13};
     14
     15/* entry in a nexthop group */
     16struct nexthop_grp {
     17	__u32	id;	  /* nexthop id - must exist */
     18	__u8	weight;   /* weight of this nexthop */
     19	__u8	resvd1;
     20	__u16	resvd2;
     21};
     22
     23enum {
     24	NEXTHOP_GRP_TYPE_MPATH,  /* hash-threshold nexthop group
     25				  * default type if not specified
     26				  */
     27	NEXTHOP_GRP_TYPE_RES,    /* resilient nexthop group */
     28	__NEXTHOP_GRP_TYPE_MAX,
     29};
     30
     31#define NEXTHOP_GRP_TYPE_MAX (__NEXTHOP_GRP_TYPE_MAX - 1)
     32
     33enum {
     34	NHA_UNSPEC,
     35	NHA_ID,		/* u32; id for nexthop. id == 0 means auto-assign */
     36
     37	NHA_GROUP,	/* array of nexthop_grp */
     38	NHA_GROUP_TYPE,	/* u16 one of NEXTHOP_GRP_TYPE */
     39	/* if NHA_GROUP attribute is added, no other attributes can be set */
     40
     41	NHA_BLACKHOLE,	/* flag; nexthop used to blackhole packets */
     42	/* if NHA_BLACKHOLE is added, OIF, GATEWAY, ENCAP can not be set */
     43
     44	NHA_OIF,	/* u32; nexthop device */
     45	NHA_GATEWAY,	/* be32 (IPv4) or in6_addr (IPv6) gw address */
     46	NHA_ENCAP_TYPE, /* u16; lwt encap type */
     47	NHA_ENCAP,	/* lwt encap data */
     48
     49	/* NHA_OIF can be appended to dump request to return only
     50	 * nexthops using given device
     51	 */
     52	NHA_GROUPS,	/* flag; only return nexthop groups in dump */
     53	NHA_MASTER,	/* u32;  only return nexthops with given master dev */
     54
     55	NHA_FDB,	/* flag; nexthop belongs to a bridge fdb */
     56	/* if NHA_FDB is added, OIF, BLACKHOLE, ENCAP cannot be set */
     57
     58	/* nested; resilient nexthop group attributes */
     59	NHA_RES_GROUP,
     60	/* nested; nexthop bucket attributes */
     61	NHA_RES_BUCKET,
     62
     63	__NHA_MAX,
     64};
     65
     66#define NHA_MAX	(__NHA_MAX - 1)
     67
     68enum {
     69	NHA_RES_GROUP_UNSPEC,
     70	/* Pad attribute for 64-bit alignment. */
     71	NHA_RES_GROUP_PAD = NHA_RES_GROUP_UNSPEC,
     72
     73	/* u16; number of nexthop buckets in a resilient nexthop group */
     74	NHA_RES_GROUP_BUCKETS,
     75	/* clock_t as u32; nexthop bucket idle timer (per-group) */
     76	NHA_RES_GROUP_IDLE_TIMER,
     77	/* clock_t as u32; nexthop unbalanced timer */
     78	NHA_RES_GROUP_UNBALANCED_TIMER,
     79	/* clock_t as u64; nexthop unbalanced time */
     80	NHA_RES_GROUP_UNBALANCED_TIME,
     81
     82	__NHA_RES_GROUP_MAX,
     83};
     84
     85#define NHA_RES_GROUP_MAX	(__NHA_RES_GROUP_MAX - 1)
     86
     87enum {
     88	NHA_RES_BUCKET_UNSPEC,
     89	/* Pad attribute for 64-bit alignment. */
     90	NHA_RES_BUCKET_PAD = NHA_RES_BUCKET_UNSPEC,
     91
     92	/* u16; nexthop bucket index */
     93	NHA_RES_BUCKET_INDEX,
     94	/* clock_t as u64; nexthop bucket idle time */
     95	NHA_RES_BUCKET_IDLE_TIME,
     96	/* u32; nexthop id assigned to the nexthop bucket */
     97	NHA_RES_BUCKET_NH_ID,
     98
     99	__NHA_RES_BUCKET_MAX,
    100};
    101
    102#define NHA_RES_BUCKET_MAX	(__NHA_RES_BUCKET_MAX - 1)
    103
    104#endif