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-rw-r--r--include/linux/nexthop.h59
1 files changed, 52 insertions, 7 deletions
diff --git a/include/linux/nexthop.h b/include/linux/nexthop.h
index ee2a15b9c..d8ffa8c9c 100644
--- a/include/linux/nexthop.h
+++ b/include/linux/nexthop.h
@@ -1,12 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _LINUX_NEXTHOP_H
-#define _LINUX_NEXTHOP_H
+#ifndef _UAPI_LINUX_NEXTHOP_H
+#define _UAPI_LINUX_NEXTHOP_H
#include <linux/types.h>
-#define RTM_NHA(h) ((struct rtattr *)(((char *)(h)) + \
- NLMSG_ALIGN(sizeof(struct nhmsg))))
-
struct nhmsg {
unsigned char nh_family;
unsigned char nh_scope; /* return only */
@@ -15,6 +12,7 @@ struct nhmsg {
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 */
@@ -23,7 +21,10 @@ struct nexthop_grp {
};
enum {
- NEXTHOP_GRP_TYPE_MPATH, /* default type if not specified */
+ NEXTHOP_GRP_TYPE_MPATH, /* hash-threshold nexthop group
+ * default type if not specified
+ */
+ NEXTHOP_GRP_TYPE_RES, /* resilient nexthop group */
__NEXTHOP_GRP_TYPE_MAX,
};
@@ -50,10 +51,54 @@ enum {
*/
NHA_GROUPS, /* flag; only return nexthop groups in dump */
NHA_MASTER, /* u32; only return nexthops with given master dev */
- NHA_FDB, /* nexthop belongs to a bridge fdb */
+
+ NHA_FDB, /* flag; nexthop belongs to a bridge fdb */
+ /* if NHA_FDB is added, OIF, BLACKHOLE, ENCAP cannot be set */
+
+ /* nested; resilient nexthop group attributes */
+ NHA_RES_GROUP,
+ /* nested; nexthop bucket attributes */
+ NHA_RES_BUCKET,
__NHA_MAX,
};
#define NHA_MAX (__NHA_MAX - 1)
+
+enum {
+ NHA_RES_GROUP_UNSPEC,
+ /* Pad attribute for 64-bit alignment. */
+ NHA_RES_GROUP_PAD = NHA_RES_GROUP_UNSPEC,
+
+ /* 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,
+
+ __NHA_RES_GROUP_MAX,
+};
+
+#define NHA_RES_GROUP_MAX (__NHA_RES_GROUP_MAX - 1)
+
+enum {
+ NHA_RES_BUCKET_UNSPEC,
+ /* Pad attribute for 64-bit alignment. */
+ NHA_RES_BUCKET_PAD = NHA_RES_BUCKET_UNSPEC,
+
+ /* 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,
+
+ __NHA_RES_BUCKET_MAX,
+};
+
+#define NHA_RES_BUCKET_MAX (__NHA_RES_BUCKET_MAX - 1)
+
#endif