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BGP: Support for MPLS labels and VPN SAFI

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Basic support for SAFI 4 and 128 (MPLS labeled IP and VPN) for IPv4 and
IPv6. Should work for route reflector, but does not properly handle
originating routes with next hop self.

Based on patches from Jan Matejka.
This commit is contained in:
Ondrej Zajicek (work)
2017-03-22 15:00:07 +01:00
parent ead7b8f498
commit 1e37e35c3e
9 changed files with 639 additions and 52 deletions
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8
lib/net.h
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@@ -35,6 +35,8 @@
#define NB_MPLS (1 << NET_MPLS)
#define NB_IP (NB_IP4 | NB_IP6)
#define NB_VPN (NB_VPN4 | NB_VPN6)
#define NB_FLOW (NB_FLOW4 | NB_FLOW6)
#define NB_ANY 0xffffffff
@@ -481,6 +483,12 @@ static inline void net_normalize_ip4(net_addr_ip4 *n)
static inline void net_normalize_ip6(net_addr_ip6 *n)
{ n->prefix = ip6_and(n->prefix, ip6_mkmask(n->pxlen)); }
static inline void net_normalize_vpn4(net_addr_vpn4 *n)
{ net_normalize_ip4((net_addr_ip4 *) n); }
static inline void net_normalize_vpn6(net_addr_vpn6 *n)
{ net_normalize_ip6((net_addr_ip6 *) n); }
void net_normalize(net_addr *N);