diff options
Diffstat (limited to 'lib/nexthop.h')
| -rw-r--r-- | lib/nexthop.h | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/lib/nexthop.h b/lib/nexthop.h index 267f9f28ad..9b71262589 100644 --- a/lib/nexthop.h +++ b/lib/nexthop.h @@ -25,6 +25,7 @@ #include "prefix.h" #include "mpls.h" +#include "vxlan.h" #ifdef __cplusplus extern "C" { @@ -60,6 +61,10 @@ enum blackhole_type { ? (type) \ : ((type) | 1) +enum nh_encap_type { + NET_VXLAN = 100, /* value copied from FPM_NH_ENCAP_VXLAN. */ +}; + /* Nexthop structure. */ struct nexthop { struct nexthop *next; @@ -86,6 +91,8 @@ 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)) @@ -116,15 +123,37 @@ 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; + + /* Encapsulation information. */ + enum nh_encap_type nh_encap_type; + union { + vni_t vni; + } nh_encap; }; +/* Backup index value is limited */ +#define NEXTHOP_BACKUP_IDX_MAX 255 + +/* Utility to append one nexthop to another. */ +#define NEXTHOP_APPEND(to, new) \ + do { \ + (to)->next = (new); \ + (new)->prev = (to); \ + (new)->next = NULL; \ + } while (0) + struct nexthop *nexthop_new(void); void nexthop_free(struct nexthop *nexthop); void nexthops_free(struct nexthop *nexthop); -void nexthop_add_labels(struct nexthop *, enum lsp_types_t, uint8_t, - mpls_label_t *); +void nexthop_add_labels(struct nexthop *nexthop, enum lsp_types_t ltype, + uint8_t num_labels, const mpls_label_t *labels); void nexthop_del_labels(struct nexthop *); /* |