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| author | Christian Franke <chris@opensourcerouting.org> | 2018-05-25 13:26:27 +0200 |
|---|---|---|
| committer | Christian Franke <chris@opensourcerouting.org> | 2018-09-05 11:38:13 +0200 |
| commit | bd507085e0559ae6c8c6076c2948fdd6c66e4d1f (patch) | |
| tree | 86d7b4a6a55bf3fe2bd72147fb12671347a8234f /isisd/isis_tlvs.h | |
| parent | fabricd: add flooding algorithm debugging (diff) | |
| download | frr-bd507085e0559ae6c8c6076c2948fdd6c66e4d1f.tar.xz frr-bd507085e0559ae6c8c6076c2948fdd6c66e4d1f.zip | |
isisd: add support for Prefix-SID subtlv
Extend isisd's TLV parser to support the Prefix-SID subtlv as per
draft-ietf-isis-segment-routing-extensions-19
Signed-off-by: Christian Franke <chris@opensourcerouting.org>
Diffstat (limited to 'isisd/isis_tlvs.h')
| -rw-r--r-- | isisd/isis_tlvs.h | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/isisd/isis_tlvs.h b/isisd/isis_tlvs.h index 451321ea9..7ebb648cc 100644 --- a/isisd/isis_tlvs.h +++ b/isisd/isis_tlvs.h @@ -83,6 +83,8 @@ struct isis_extended_ip_reach { uint32_t metric; bool down; struct prefix_ipv4 prefix; + + struct isis_subtlvs *subtlvs; }; struct isis_ipv6_reach; @@ -219,9 +221,21 @@ struct isis_tlvs { struct isis_spine_leaf *spine_leaf; }; -struct isis_subtlvs { - /* draft-baker-ipv6-isis-dst-src-routing-06 */ - struct prefix_ipv6 *source_prefix; +#define ISIS_PREFIX_SID_READVERTISED 0x80 +#define ISIS_PREFIX_SID_NODE 0x40 +#define ISIS_PREFIX_SID_NO_PHP 0x20 +#define ISIS_PREFIX_SID_EXPLICIT_NULL 0x10 +#define ISIS_PREFIX_SID_VALUE 0x08 +#define ISIS_PREFIX_SID_LOCAL 0x04 + +struct isis_prefix_sid; +struct isis_prefix_sid { + struct isis_prefix_sid *next; + + uint8_t flags; + uint8_t algorithm; + + uint32_t value; }; enum isis_tlv_context { @@ -232,6 +246,15 @@ enum isis_tlv_context { ISIS_CONTEXT_MAX }; +struct isis_subtlvs { + enum isis_tlv_context context; + + /* draft-baker-ipv6-isis-dst-src-routing-06 */ + struct prefix_ipv6 *source_prefix; + /* draft-ietf-isis-segment-routing-extensions-16 */ + struct isis_item_list prefix_sids; +}; + enum isis_tlv_type { ISIS_TLV_AREA_ADDRESSES = 1, ISIS_TLV_OLDSTYLE_REACH = 2, @@ -258,6 +281,7 @@ enum isis_tlv_type { ISIS_TLV_THREE_WAY_ADJ = 240, ISIS_TLV_MAX = 256, + ISIS_SUBTLV_PREFIX_SID = 3, ISIS_SUBTLV_IPV6_SOURCE_PREFIX = 22 }; |