diff options
| author | Ryoga Saito <contact@proelbtn.com> | 2021-08-31 06:13:17 +0000 |
|---|---|---|
| committer | Ryoga Saito <contact@proelbtn.com> | 2021-09-03 01:19:45 +0000 |
| commit | 9299fd00e7f75353d517627951b9b41b3b7bd339 (patch) | |
| tree | 064fa444c24603a5d802e087b93599afe65fae86 /bgpd/bgp_attr.h | |
| parent | a45cd34e544ed3b3d342cc57e8fa5fa0832764c0 (diff) | |
bgpd: introduce SID structure information
draft-ietf-bess-srv6-services-07 defines new SID structure Sub-Sub-TLV.
This patch adds SID structure information to bgp_attr_srv6_l3vpn. This
patch also defines default SID stucture used by following patches.
Signed-off-by: Ryoga Saito <contact@proelbtn.com>
Diffstat (limited to 'bgpd/bgp_attr.h')
| -rw-r--r-- | bgpd/bgp_attr.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/bgpd/bgp_attr.h b/bgpd/bgp_attr.h index 7eb1c8cf0e..955fde1450 100644 --- a/bgpd/bgp_attr.h +++ b/bgpd/bgp_attr.h @@ -79,6 +79,14 @@ /* SRv6 Service Data Sub-Sub-TLV types */ #define BGP_PREFIX_SID_SRV6_L3_SERVICE_SID_STRUCTURE 1 +/* SRv6 SID Structure default values */ +#define BGP_PREFIX_SID_SRV6_LOCATOR_BLOCK_LENGTH 40 +#define BGP_PREFIX_SID_SRV6_LOCATOR_NODE_LENGTH 24 +#define BGP_PREFIX_SID_SRV6_FUNCTION_LENGTH 16 +#define BGP_PREFIX_SID_SRV6_ARGUMENT_LENGTH 0 +#define BGP_PREFIX_SID_SRV6_TRANSPOSITION_LENGTH 16 +#define BGP_PREFIX_SID_SRV6_TRANSPOSITION_OFFSET 64 + #define BGP_ATTR_NH_AFI(afi, attr) \ ((afi != AFI_L2VPN) ? afi : \ ((attr->mp_nexthop_len == BGP_ATTR_NHLEN_IPV4) ? AFI_IP : AFI_IP6)) @@ -142,6 +150,12 @@ struct bgp_attr_srv6_l3vpn { uint8_t sid_flags; uint16_t endpoint_behavior; struct in6_addr sid; + uint8_t loc_block_len; + uint8_t loc_node_len; + uint8_t func_len; + uint8_t arg_len; + uint8_t transposition_len; + uint8_t transposition_offset; }; /* BGP core attribute structure. */ |