diff options
| -rw-r--r-- | packet/bgp.go | 80 |
1 files changed, 54 insertions, 26 deletions
diff --git a/packet/bgp.go b/packet/bgp.go index 7b9961ed..3687d817 100644 --- a/packet/bgp.go +++ b/packet/bgp.go @@ -3854,35 +3854,63 @@ func (p *PathAttributeCommunities) Serialize() ([]byte, error) { return p.PathAttribute.Serialize() } +type WellKnownCommunity uint32 + +const ( + COMMUNITY_INTERNET WellKnownCommunity = 0x00000000 + COMMUNITY_PLANNED_SHUT = 0xffff0000 + COMMUNITY_ACCEPT_OWN = 0xffff0001 + COMMUNITY_ROUTE_FILTER_TRANSLATED_v4 = 0xffff0002 + COMMUNITY_ROUTE_FILTER_v4 = 0xffff0003 + COMMUNITY_ROUTE_FILTER_TRANSLATED_v6 = 0xffff0004 + COMMUNITY_ROUTE_FILTER_v6 = 0xffff0005 + COMMUNITY_LLGR_STALE = 0xffff0006 + COMMUNITY_NO_LLGR = 0xffff0007 + COMMUNITY_NO_EXPORT = 0xffffff01 + COMMUNITY_NO_ADVERTISE = 0xffffff02 + COMMUNITY_NO_EXPORT_SUBCONFED = 0xffffff03 + COMMUNITY_NO_PEER = 0xffffff04 +) + +var WellKnownCommunityNameMap = map[WellKnownCommunity]string{ + COMMUNITY_INTERNET: "internet", + COMMUNITY_PLANNED_SHUT: "planned-shut", + COMMUNITY_ACCEPT_OWN: "accept-own", + COMMUNITY_ROUTE_FILTER_TRANSLATED_v4: "route-filter-translated-v4", + COMMUNITY_ROUTE_FILTER_v4: "route-filter-v4", + COMMUNITY_ROUTE_FILTER_TRANSLATED_v6: "route-filter-translated-v6", + COMMUNITY_ROUTE_FILTER_v6: "route-filter-v6", + COMMUNITY_LLGR_STALE: "llgr-stale", + COMMUNITY_NO_LLGR: "no-llgr", + COMMUNITY_NO_EXPORT: "no-export", + COMMUNITY_NO_ADVERTISE: "no-advertise", + COMMUNITY_NO_EXPORT_SUBCONFED: "no-export-subconfed", + COMMUNITY_NO_PEER: "no-peer", +} + +var WellKnownCommunityValueMap = map[string]WellKnownCommunity{ + WellKnownCommunityNameMap[COMMUNITY_INTERNET]: COMMUNITY_INTERNET, + WellKnownCommunityNameMap[COMMUNITY_PLANNED_SHUT]: COMMUNITY_PLANNED_SHUT, + WellKnownCommunityNameMap[COMMUNITY_ACCEPT_OWN]: COMMUNITY_ACCEPT_OWN, + WellKnownCommunityNameMap[COMMUNITY_ROUTE_FILTER_TRANSLATED_v4]: COMMUNITY_ROUTE_FILTER_TRANSLATED_v4, + WellKnownCommunityNameMap[COMMUNITY_ROUTE_FILTER_v4]: COMMUNITY_ROUTE_FILTER_v4, + WellKnownCommunityNameMap[COMMUNITY_ROUTE_FILTER_TRANSLATED_v6]: COMMUNITY_ROUTE_FILTER_TRANSLATED_v6, + WellKnownCommunityNameMap[COMMUNITY_ROUTE_FILTER_v6]: COMMUNITY_ROUTE_FILTER_v6, + WellKnownCommunityNameMap[COMMUNITY_LLGR_STALE]: COMMUNITY_LLGR_STALE, + WellKnownCommunityNameMap[COMMUNITY_NO_LLGR]: COMMUNITY_NO_LLGR, + WellKnownCommunityNameMap[COMMUNITY_NO_EXPORT]: COMMUNITY_NO_EXPORT, + WellKnownCommunityNameMap[COMMUNITY_NO_ADVERTISE]: COMMUNITY_NO_ADVERTISE, + WellKnownCommunityNameMap[COMMUNITY_NO_EXPORT_SUBCONFED]: COMMUNITY_NO_EXPORT_SUBCONFED, + WellKnownCommunityNameMap[COMMUNITY_NO_PEER]: COMMUNITY_NO_PEER, +} + func (p *PathAttributeCommunities) String() string { l := []string{} for _, v := range p.Value { - switch v { - case 0xffff0000: - l = append(l, "planned-shut") - case 0xffff0001: - l = append(l, "accept-own") - case 0xffff0002: - l = append(l, "ROUTE_FILTER_TRANSLATED_v4") - case 0xffff0003: - l = append(l, "ROUTE_FILTER_v4") - case 0xffff0004: - l = append(l, "ROUTE_FILTER_TRANSLATED_v6") - case 0xffff0005: - l = append(l, "ROUTE_FILTER_v6") - case 0xffff0006: - l = append(l, "LLGR_STALE") - case 0xffff0007: - l = append(l, "NO_LLGR") - case 0xffffff01: - l = append(l, "NO_EXPORT") - case 0xffffff02: - l = append(l, "NO_ADVERTISE") - case 0xffffff03: - l = append(l, "NO_EXPORT_SUBCONFED") - case 0xffffff04: - l = append(l, "NO_PEER") - default: + n, ok := WellKnownCommunityNameMap[WellKnownCommunity(v)] + if ok { + l = append(l, n) + } else { l = append(l, fmt.Sprintf("%d:%d", (0xffff0000&v)>>16, 0xffff&v)) } } |