diff options
Diffstat (limited to 'lib/nexthop.h')
| -rw-r--r-- | lib/nexthop.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/nexthop.h b/lib/nexthop.h index 8d7580f6b4..2e7b6e78fd 100644 --- a/lib/nexthop.h +++ b/lib/nexthop.h @@ -86,6 +86,8 @@ struct nexthop { * active one */ #define NEXTHOP_FLAG_RNH_FILTERED (1 << 5) /* rmap filtered, used by rnh */ +#define NEXTHOP_FLAG_HAS_BACKUP (1 << 6) /* Backup nexthop index is set */ + #define NEXTHOP_IS_ACTIVE(flags) \ (CHECK_FLAG(flags, NEXTHOP_FLAG_ACTIVE) \ && !CHECK_FLAG(flags, NEXTHOP_FLAG_DUPLICATE)) @@ -116,8 +118,15 @@ struct nexthop { /* Weight of the nexthop ( for unequal cost ECMP ) */ uint8_t weight; + + /* Index of a corresponding backup nexthop in a backup list; + * only meaningful if the HAS_BACKUP flag is set. + */ + uint8_t backup_idx; }; +/* Backup index value is limited */ +#define NEXTHOP_BACKUP_IDX_MAX 255 /* Utility to append one nexthop to another. */ #define NEXTHOP_APPEND(to, new) \ |