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yang: route-distinguisher typedef for route-maps reworked

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Some route-distinguisher combinations were not possible under
route-maps:
route-map rmap permit 1
 match evpn rd 65540:44
 match evpn rd 1.2.3.4:44
 match evpn rd 2000000:44

Do not use the ietf definition for route-distinguisher by overriding
a new definition in bgp-route-map.yang itself. When the BGP northbound
API will be done, this route-distinguisher definition will have to
be used too.

Fixes: ("48cb7ea99d10") bgpd: North-bound implementation for bgp rmaps

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2022-11-24 14:02:31 +01:00
parent 8ede0c8015
commit bebda8a143
1 changed files with 85 additions and 1 deletions
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86
yang/frr-bgp-route-map.yang
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@ -356,6 +356,90 @@ module frr-bgp-route-map {
}
}
typedef route-distinguisher {
type string {
pattern
'(0:(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ '6[0-4][0-9]{3}|'
+ '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0):(429496729[0-5]|'
+ '42949672[0-8][0-9]|'
+ '4294967[01][0-9]{2}|429496[0-6][0-9]{3}|'
+ '42949[0-5][0-9]{4}|'
+ '4294[0-8][0-9]{5}|429[0-3][0-9]{6}|'
+ '42[0-8][0-9]{7}|4[01][0-9]{8}|'
+ '[1-3][0-9]{9}|[1-9][0-9]{0,8}|0))|'
+ '(1:((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|'
+ '25[0-5])\.){3}([0-9]|[1-9][0-9]|'
+ '1[0-9]{2}|2[0-4][0-9]|25[0-5])):(6553[0-5]|'
+ '655[0-2][0-9]|'
+ '65[0-4][0-9]{2}|6[0-4][0-9]{3}|'
+ '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0))|'
+ '(2:(429496729[0-5]|42949672[0-8][0-9]|'
+ '4294967[01][0-9]{2}|'
+ '429496[0-6][0-9]{3}|42949[0-5][0-9]{4}|'
+ '4294[0-8][0-9]{5}|'
+ '429[0-3][0-9]{6}|42[0-8][0-9]{7}|4[01][0-9]{8}|'
+ '[1-3][0-9]{9}|[1-9][0-9]{0,8}|0):'
+ '(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ '6[0-4][0-9]{3}|'
+ '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0))|'
+ '(6(:[a-fA-F0-9]{2}){6})|'
+ '(([3-57-9a-fA-F]|[1-9a-fA-F][0-9a-fA-F]{1,3}):'
+ '[0-9a-fA-F]{1,12})|'
+ '((6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ '6[0-4][0-9]{3}|'
+ '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0):(429496729[0-5]|'
+ '42949672[0-8][0-9]|'
+ '4294967[01][0-9]{2}|429496[0-6][0-9]{3}|'
+ '42949[0-5][0-9]{4}|'
+ '4294[0-8][0-9]{5}|429[0-3][0-9]{6}|'
+ '42[0-8][0-9]{7}|4[01][0-9]{8}|'
+ '[1-3][0-9]{9}|[1-9][0-9]{0,8}|0)|'
+ '((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|'
+ '25[0-5])\.){3}([0-9]|[1-9][0-9]|'
+ '1[0-9]{2}|2[0-4][0-9]|25[0-5])):(6553[0-5]|'
+ '655[0-2][0-9]|'
+ '65[0-4][0-9]{2}|6[0-4][0-9]{3}|'
+ '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0))|'
+ '((429496729[0-5]|42949672[0-8][0-9]|'
+ '4294967[01][0-9]{2}|'
+ '429496[0-6][0-9]{3}|42949[0-5][0-9]{4}|'
+ '4294[0-8][0-9]{5}|'
+ '429[0-3][0-9]{6}|42[0-8][0-9]{7}|4[01][0-9]{8}|'
+ '[1-3][0-9]{9}|[1-9][0-9]{0,8}|0):'
+ '(6553[0-5]|655[0-2][0-9]|65[0-4][0-9]{2}|'
+ '6[0-4][0-9]{3}|'
+ '[1-5][0-9]{4}|[1-9][0-9]{0,3}|0)';
}
description
"A Route Distinguisher is an 8-octet value used to
distinguish routes from different BGP VPNs (RFC 4364).
A Route Distinguisher will have the same format as a
Route Target as per RFC 4360 and will consist of
two or three fields: a 2-octet Type field, an administrator
field, and, optionally, an assigned number field.
According to the data formats for types 0, 1, 2, and 6 as
defined in RFC 4360, RFC 5668, and RFC 7432, the encoding
pattern is defined as:
0:2-octet-asn:4-octet-number
1:4-octet-ipv4addr:2-octet-number
2:4-octet-asn:2-octet-number
6:6-octet-mac-address
Additionally, a generic pattern is defined for future
route discriminator types:
2-octet-other-hex-number:6-octet-hex-number
Some valid examples are 0:100:100, 1:1.1.1.1:100,
2:1234567890:203, and 6:26:00:08:92:78:00.
The following route distinguisher with two fields are also
accepted : 10000:44 1.2.3.4:44.";
reference
"RFC 4360: BGP Extended Communities Attribute.
RFC 4364: BGP/MPLS IP Virtual Private Networks (VPNs).
RFC 5668: 4-Octet AS Specific BGP Extended Community.
RFC 7432: BGP MPLS-Based Ethernet VPN.";
}
typedef extcommunity-lb-type {
type enumeration {
enum "explicit-bandwidth" {
@ -598,7 +682,7 @@ module frr-bgp-route-map {
description
"Match eVPN route-distinguisher";
leaf route-distinguisher {
type rt-types:route-distinguisher;
type route-distinguisher;
}
}