diff options
Diffstat (limited to 'lib/net.c')
| -rw-r--r-- | lib/net.c | 55 |
1 files changed, 48 insertions, 7 deletions
@@ -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; } |