diff options
Diffstat (limited to 'lib/prefix.c')
| -rw-r--r-- | lib/prefix.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/prefix.c b/lib/prefix.c index e64b10bf24..4642f14d35 100644 --- a/lib/prefix.c +++ b/lib/prefix.c @@ -1404,6 +1404,63 @@ bool ipv4_unicast_valid(const struct in_addr *addr) return true; } +static int ipaddr2prefix(const struct ipaddr *ip, uint16_t prefixlen, + struct prefix *p) +{ + switch (ip->ipa_type) { + case (IPADDR_V4): + p->family = AF_INET; + p->u.prefix4 = ip->ipaddr_v4; + p->prefixlen = prefixlen; + break; + case (IPADDR_V6): + p->family = AF_INET6; + p->u.prefix6 = ip->ipaddr_v6; + p->prefixlen = prefixlen; + break; + case (IPADDR_NONE): + p->family = AF_UNSPEC; + break; + } + + return 0; +} + +/* + * Convert type-2 and type-5 evpn route prefixes into the more + * general ipv4/ipv6 prefix types so we can match prefix lists + * and such. + */ +int evpn_prefix2prefix(const struct prefix *evpn, struct prefix *to) +{ + const struct evpn_addr *addr; + + if (evpn->family != AF_EVPN) + return -1; + + addr = &evpn->u.prefix_evpn; + + switch (addr->route_type) { + case BGP_EVPN_MAC_IP_ROUTE: + if (IS_IPADDR_V4(&addr->macip_addr.ip)) + ipaddr2prefix(&addr->macip_addr.ip, 32, to); + else if (IS_IPADDR_V6(&addr->macip_addr.ip)) + ipaddr2prefix(&addr->macip_addr.ip, 128, to); + else + return -1; /* mac only? */ + + break; + case BGP_EVPN_IP_PREFIX_ROUTE: + ipaddr2prefix(&addr->prefix_addr.ip, + addr->prefix_addr.ip_prefix_length, to); + break; + default: + return -1; + } + + return 0; +} + printfrr_ext_autoreg_p("EA", printfrr_ea); static ssize_t printfrr_ea(struct fbuf *buf, struct printfrr_eargs *ea, const void *ptr) |