Merge branch 'nexthop-merged' into int-new

1 files changed, 48 insertions, 7 deletions

diff --git a/lib/net.c b/lib/net.c
index f283e79f..c29ed299 100644
--- a/lib/net.c
+++ b/lib/net.c
@@ -13,7 +13,8 @@ const char * const net_label[] = {
   [NET_ROA4] 	= "roa4",
   [NET_ROA6] 	= "roa6",
   [NET_FLOW4] 	= "flow4",
-  [NET_FLOW6] 	= "flow6"
+  [NET_FLOW6] 	= "flow6",
+  [NET_MPLS]	= "mpls",
 };
 
 const u16 net_addr_length[] = {
@@ -24,7 +25,8 @@ const u16 net_addr_length[] = {
   [NET_ROA4] 	= sizeof(net_addr_roa4),
   [NET_ROA6] 	= sizeof(net_addr_roa6),
   [NET_FLOW4] 	= 0,
-  [NET_FLOW6] 	= 0
+  [NET_FLOW6] 	= 0,
+  [NET_MPLS]	= sizeof(net_addr_mpls),
 };
 
 const u8 net_max_prefix_length[] = {
@@ -35,7 +37,8 @@ const u8 net_max_prefix_length[] = {
   [NET_ROA4] 	= IP4_MAX_PREFIX_LENGTH,
   [NET_ROA6] 	= IP6_MAX_PREFIX_LENGTH,
   [NET_FLOW4] 	= IP4_MAX_PREFIX_LENGTH,
-  [NET_FLOW6] 	= IP6_MAX_PREFIX_LENGTH
+  [NET_FLOW6] 	= IP6_MAX_PREFIX_LENGTH,
+  [NET_MPLS]	= 0,
 };
 
 const u16 net_max_text_length[] = {
@@ -46,14 +49,28 @@ const u16 net_max_text_length[] = {
   [NET_ROA4] 	= 34,	/* "255.255.255.255/32-32 AS4294967295" */
   [NET_ROA6] 	= 60,	/* "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128-128 AS4294967295" */
   [NET_FLOW4] 	= 0,	/* "flow4 { ... }" */
-  [NET_FLOW6] 	= 0	/* "flow6 { ... }" */
+  [NET_FLOW6] 	= 0,	/* "flow6 { ... }" */
+  [NET_MPLS]	= 7,	/* "1048575" */
 };
 
 
 int
+rd_format(const u64 rd, char *buf, int buflen)
+{
+  switch (rd >> 48)
+  {
+    case 0: return bsnprintf(buf, buflen, "0:%u:%u", (u32) (rd >> 32), (u32) rd);
+    case 1: return bsnprintf(buf, buflen, "1:%I4:%u", ip4_from_u32(rd >> 16), (u32) (rd & 0xffff));
+    case 2: return bsnprintf(buf, buflen, "2:%u:%u", (u32) (rd >> 16), (u32) (rd & 0xffff));
+    default: return bsnprintf(buf, buflen, "X:%08x:%08x", (u32) (rd >> 32), (u32) rd);
+  }
+}
+
+int
 net_format(const net_addr *N, char *buf, int buflen)
 {
   net_addr_union *n = (void *) N;
+  buf[0] = 0;
 
   switch (n->n.type)
   {
@@ -62,9 +79,18 @@ net_format(const net_addr *N, char *buf, int buflen)
   case NET_IP6:
     return bsnprintf(buf, buflen, "%I6/%d", n->ip6.prefix, n->ip6.pxlen);
   case NET_VPN4:
-    return bsnprintf(buf, buflen, "%u:%u %I4/%d", (u32) (n->vpn4.rd >> 32), (u32) n->vpn4.rd, n->vpn4.prefix, n->vpn4.pxlen);
+    {
+    int c = rd_format(n->vpn4.rd, buf, buflen);
+    ADVANCE(buf, buflen, c);
+    return bsnprintf(buf, buflen, " %I4/%d", n->vpn4.prefix, n->vpn4.pxlen);
+    }
   case NET_VPN6:
-    return bsnprintf(buf, buflen, "%u:%u %I6/%d", (u32) (n->vpn6.rd >> 32), (u32) n->vpn6.rd, n->vpn6.prefix, n->vpn6.pxlen);
+    {
+    /* XXX: RD format is specified for VPN4; not found any for VPN6, reusing the same as for VPN4 */
+    int c = rd_format(n->vpn6.rd, buf, buflen);
+    ADVANCE(buf, buflen, c);
+    return bsnprintf(buf, buflen, " %I6/%d", n->vpn6.prefix, n->vpn6.pxlen);
+    }
   case NET_ROA4:
     return bsnprintf(buf, buflen, "%I4/%u-%u AS%u",  n->roa4.prefix, n->roa4.pxlen, n->roa4.max_pxlen, n->roa4.asn);
   case NET_ROA6:
@@ -73,9 +99,11 @@ net_format(const net_addr *N, char *buf, int buflen)
     return flow4_net_format(buf, buflen, &n->flow4);
   case NET_FLOW6:
     return flow6_net_format(buf, buflen, &n->flow6);
+  case NET_MPLS:
+    return bsnprintf(buf, buflen, "%u", n->mpls.label);
   }
 
-  return 0;
+  bug("unknown network type");
 }
 
 ip_addr
@@ -95,6 +123,7 @@ net_pxmask(const net_addr *a)
   case NET_FLOW6:
     return ipa_from_ip6(ip6_mkmask(net6_pxlen(a)));
 
+  case NET_MPLS:
   default:
     return IPA_NONE;
   }
@@ -124,6 +153,8 @@ net_compare(const net_addr *a, const net_addr *b)
     return net_compare_flow4((const net_addr_flow4 *) a, (const net_addr_flow4 *) b);
   case NET_FLOW6:
     return net_compare_flow6((const net_addr_flow6 *) a, (const net_addr_flow6 *) b);
+  case NET_MPLS:
+    return net_compare_mpls((const net_addr_mpls *) a, (const net_addr_mpls *) b);
   }
   return 0;
 }
@@ -165,6 +196,9 @@ net_validate(const net_addr *N)
   case NET_FLOW6:
     return net_validate_ip6((net_addr_ip6 *) N);
 
+  case NET_MPLS:
+    return net_validate_mpls((net_addr_mpls *) N);
+
   default:
     return 0;
   }
@@ -188,6 +222,9 @@ net_normalize(net_addr *N)
   case NET_ROA6:
   case NET_FLOW6:
     return net_normalize_ip6(&n->ip6);
+
+  case NET_MPLS:
+    return;
   }
 }
 
@@ -209,6 +246,9 @@ net_classify(const net_addr *N)
   case NET_ROA6:
   case NET_FLOW6:
     return ip6_zero(n->ip6.prefix) ? (IADDR_HOST | SCOPE_UNIVERSE) : ip6_classify(&n->ip6.prefix);
+
+  case NET_MPLS:
+    return IADDR_HOST | SCOPE_UNIVERSE;
   }
 
   return IADDR_INVALID;
@@ -235,6 +275,7 @@ ipa_in_netX(const ip_addr a, const net_addr *n)
     return ip6_zero(ip6_and(ip6_xor(ipa_to_ip6(a), net6_prefix(n)),
 			    ip6_mkmask(net6_pxlen(n))));
 
+  case NET_MPLS:
   default:
     return 0;
   }