mirror of
https://git.freebsd.org/ports.git
synced 2025-06-25 22:50:32 -04:00
372 lines
9.5 KiB
C
372 lines
9.5 KiB
C
Index: bgpd/bgpd.h
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===================================================================
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RCS file: /home/cvs/private/hrs/openbgpd/bgpd/bgpd.h,v
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retrieving revision 1.1.1.8
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retrieving revision 1.10
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diff -u -p -r1.1.1.8 -r1.10
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--- bgpd/bgpd.h 14 Feb 2010 20:19:57 -0000 1.1.1.8
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+++ bgpd/bgpd.h 14 Feb 2010 19:53:36 -0000 1.10
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@@ -1,4 +1,4 @@
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-/* $OpenBSD: bgpd.h,v 1.241 2009/06/12 16:42:53 claudio Exp $ */
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+/* $OpenBSD: bgpd.h,v 1.252 2010/01/13 06:02:37 claudio Exp $ */
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/*
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* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
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@@ -30,11 +30,16 @@
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#include <poll.h>
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#include <stdarg.h>
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-#include <imsg.h>
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+#if defined(__FreeBSD__) /* compat */
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+#include "openbsd-compat.h"
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+#endif /* defined(__FreeBSD__) */
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+#include "imsg.h"
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#define BGP_VERSION 4
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#define BGP_PORT 179
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+#ifndef CONFFILE
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#define CONFFILE "/etc/bgpd.conf"
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+#endif /* !CONFFILE */
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#define BGPD_USER "_bgpd"
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#define PEER_DESCR_LEN 32
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#define PFTABLE_LEN 16
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@@ -42,8 +47,6 @@
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#define IPSEC_ENC_KEY_LEN 32
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#define IPSEC_AUTH_KEY_LEN 20
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-#define ASNUM_MAX 0xffffffff
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-
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#define MAX_PKTSIZE 4096
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#define MIN_HOLDTIME 3
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#define READ_BUF_SIZE 65535
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@@ -109,18 +112,74 @@ enum reconf_action {
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RECONF_DELETE
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};
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+/* Address Family Numbers as per RFC 1700 */
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+#define AFI_UNSPEC 0
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+#define AFI_IPv4 1
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+#define AFI_IPv6 2
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+
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+/* Subsequent Address Family Identifier as per RFC 4760 */
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+#define SAFI_NONE 0
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+#define SAFI_UNICAST 1
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+#define SAFI_MULTICAST 2
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+#define SAFI_MPLS 4
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+#define SAFI_MPLSVPN 128
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+
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+struct aid {
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+ u_int16_t afi;
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+ sa_family_t af;
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+ u_int8_t safi;
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+ char *name;
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+};
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+
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+extern const struct aid aid_vals[];
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+
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+#define AID_UNSPEC 0
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+#define AID_INET 1
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+#define AID_INET6 2
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+#define AID_VPN_IPv4 3
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+#define AID_MAX 4
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+
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+#define AID_VALS { \
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+ /* afi, af, safii, name */ \
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+ { AFI_UNSPEC, AF_UNSPEC, SAFI_NONE, "unspec"}, \
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+ { AFI_IPv4, AF_INET, SAFI_UNICAST, "IPv4 unicast" }, \
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+ { AFI_IPv6, AF_INET6, SAFI_UNICAST, "IPv6 unicast" }, \
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+ { AFI_IPv4, AF_INET, SAFI_MPLSVPN, "IPv4 vpn" } \
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+}
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+
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+#define AID_PTSIZE { \
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+ 0, \
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+ sizeof(struct pt_entry4), \
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+ sizeof(struct pt_entry6), \
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+ sizeof(struct pt_entry_vpn4) \
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+}
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+
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+struct vpn4_addr {
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+ u_int64_t rd;
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+ struct in_addr addr;
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+ u_int8_t labelstack[21]; /* max that makes sense */
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+ u_int8_t labellen;
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+ u_int8_t pad1;
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+ u_int8_t pad2;
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+};
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+
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+#define BGP_MPLS_BOS 0x01
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+
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struct bgpd_addr {
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- sa_family_t af;
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union {
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struct in_addr v4;
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struct in6_addr v6;
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- u_int8_t addr8[16];
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- u_int16_t addr16[8];
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- u_int32_t addr32[4];
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+ struct vpn4_addr vpn4;
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+ /* maximum size for a prefix is 256 bits */
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+ u_int8_t addr8[32];
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+ u_int16_t addr16[16];
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+ u_int32_t addr32[8];
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} ba; /* 128-bit address */
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u_int32_t scope_id; /* iface scope id for v6 */
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+ u_int8_t aid;
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#define v4 ba.v4
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#define v6 ba.v6
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+#define vpn4 ba.vpn4
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#define addr8 ba.addr8
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#define addr16 ba.addr16
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#define addr32 ba.addr32
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@@ -205,11 +264,10 @@ struct peer_auth {
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};
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struct capabilities {
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- u_int8_t mp_v4; /* multiprotocol extensions, RFC 4760 */
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- u_int8_t mp_v6;
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- u_int8_t refresh; /* route refresh, RFC 2918 */
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- u_int8_t restart; /* graceful restart, RFC 4724 */
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- u_int8_t as4byte; /* draft-ietf-idr-as4bytes-13 */
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+ int8_t mp[AID_MAX]; /* multiprotocol extensions, RFC 4760 */
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+ int8_t refresh; /* route refresh, RFC 2918 */
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+ int8_t restart; /* graceful restart, RFC 4724 */
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+ int8_t as4byte; /* draft-ietf-idr-as4bytes-13 */
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};
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struct peer_config {
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@@ -248,6 +306,7 @@ struct peer_config {
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u_int8_t ttlsec; /* TTL security hack */
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u_int8_t flags;
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u_int8_t pad[3];
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+ char lliface[IFNAMSIZ];
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};
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#define PEERFLAG_TRANS_AS 0x01
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@@ -292,6 +351,7 @@ enum imsg_type {
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IMSG_CTL_SHOW_RIB_MEM,
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IMSG_CTL_SHOW_TERSE,
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IMSG_CTL_SHOW_TIMER,
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+ IMSG_CTL_LOG_VERBOSE,
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IMSG_NETWORK_ADD,
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IMSG_NETWORK_REMOVE,
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IMSG_NETWORK_FLUSH,
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@@ -423,8 +483,7 @@ struct kif {
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struct session_up {
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struct bgpd_addr local_addr;
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struct bgpd_addr remote_addr;
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- struct capabilities capa_announced;
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- struct capabilities capa_received;
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+ struct capabilities capa;
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u_int32_t remote_bgpid;
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u_int16_t short_as;
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};
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@@ -437,8 +496,13 @@ struct pftable_msg {
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struct ctl_show_nexthop {
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struct bgpd_addr addr;
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- u_int8_t valid;
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struct kif kif;
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+ union {
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+ struct kroute kr4;
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+ struct kroute6 kr6;
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+ } kr;
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+ u_int8_t valid;
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+ u_int8_t krvalid;;
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};
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struct ctl_neighbor {
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@@ -508,6 +572,27 @@ struct filter_community {
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int type;
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};
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+struct filter_extcommunity {
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+ u_int8_t type;
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+ u_int8_t subtype; /* if extended type */
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+ union {
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+ struct ext_as {
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+ u_int16_t as;
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+ u_int32_t val;
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+ } ext_as;
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+ struct ext_as4 {
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+ u_int32_t as4;
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+ u_int16_t val;
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+ } ext_as4;
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+ struct ext_ip {
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+ struct in_addr addr;
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+ u_int16_t val;
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+ } ext_ip;
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+ u_int64_t ext_opaq; /* only 48 bits */
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+ } data;
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+};
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+
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+
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struct ctl_show_rib_request {
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char rib[PEER_DESCR_LEN];
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struct ctl_neighbor neighbor;
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@@ -518,8 +603,8 @@ struct ctl_show_rib_request {
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pid_t pid;
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u_int16_t flags;
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enum imsg_type type;
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- sa_family_t af;
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u_int8_t prefixlen;
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+ u_int8_t aid;
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};
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enum filter_actions {
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@@ -585,6 +670,27 @@ struct filter_peers {
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#define EXT_COMMUNITY_OSPF_RTR_TYPE 6 /* RFC 4577 */
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#define EXT_COMMUNITY_OSPF_RTR_ID 7 /* RFC 4577 */
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#define EXT_COMMUNITY_BGP_COLLECT 8 /* RFC 4384 */
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+/* other handy defines */
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+#define EXT_COMMUNITY_OPAQUE_MAX 0xffffffffffffULL
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+
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+struct ext_comm_pairs {
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+ u_int8_t type;
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+ u_int8_t subtype;
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+ u_int8_t transitive; /* transitive bit needs to be set */
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+};
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+
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+#define IANA_EXT_COMMUNITIES { \
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+ { EXT_COMMUNITY_TWO_AS, EXT_COMMUNITY_ROUTE_TGT, 0 }, \
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+ { EXT_COMMUNITY_TWO_AS, EXT_CUMMUNITY_ROUTE_ORIG, 0 }, \
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+ { EXT_COMMUNITY_TWO_AS, EXT_COMMUNITY_OSPF_DOM_ID, 0 }, \
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+ { EXT_COMMUNITY_TWO_AS, EXT_COMMUNITY_BGP_COLLECT, 0 }, \
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+ { EXT_COMMUNITY_FOUR_AS, EXT_COMMUNITY_ROUTE_TGT, 0 }, \
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+ { EXT_COMMUNITY_FOUR_AS, EXT_CUMMUNITY_ROUTE_ORIG, 0 }, \
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+ { EXT_COMMUNITY_IPV4, EXT_COMMUNITY_ROUTE_TGT, 0 }, \
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+ { EXT_COMMUNITY_IPV4, EXT_CUMMUNITY_ROUTE_ORIG, 0 }, \
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+ { EXT_COMMUNITY_IPV4, EXT_COMMUNITY_OSPF_RTR_ID, 0 }, \
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+ { EXT_COMMUNITY_OPAQUE, EXT_COMMUNITY_OSPF_RTR_TYPE, 0 } \
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+}
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struct filter_prefix {
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@@ -594,7 +700,7 @@ struct filter_prefix {
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struct filter_prefixlen {
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enum comp_ops op;
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- sa_family_t af;
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+ u_int8_t aid;
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u_int8_t len_min;
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u_int8_t len_max;
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};
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@@ -635,10 +741,13 @@ enum action_types {
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ACTION_SET_NEXTHOP_SELF,
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ACTION_SET_COMMUNITY,
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ACTION_DEL_COMMUNITY,
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+ ACTION_SET_EXT_COMMUNITY,
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+ ACTION_DEL_EXT_COMMUNITY,
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ACTION_PFTABLE,
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ACTION_PFTABLE_ID,
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ACTION_RTLABEL,
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- ACTION_RTLABEL_ID
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+ ACTION_RTLABEL_ID,
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+ ACTION_SET_ORIGIN
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};
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struct filter_set {
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@@ -650,23 +759,31 @@ struct filter_set {
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int32_t relative;
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struct bgpd_addr nexthop;
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struct filter_community community;
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+ struct filter_extcommunity ext_community;
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char pftable[PFTABLE_LEN];
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char rtlabel[RTLABEL_LEN];
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+ u_int8_t origin;
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} action;
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enum action_types type;
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};
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-struct rrefresh {
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- u_int16_t afi;
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- u_int8_t safi;
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+struct rde_rib {
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+ SIMPLEQ_ENTRY(rde_rib) entry;
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+ char name[PEER_DESCR_LEN];
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+ u_int16_t id;
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+ u_int16_t flags;
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};
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+SIMPLEQ_HEAD(rib_names, rde_rib);
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+extern struct rib_names ribnames;
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+
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+/* 4-byte magic AS number */
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+#define AS_TRANS 23456
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struct rde_memstats {
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int64_t path_cnt;
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int64_t prefix_cnt;
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int64_t rib_cnt;
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- int64_t pt4_cnt;
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- int64_t pt6_cnt;
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+ int64_t pt_cnt[AID_MAX];
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int64_t nexthop_cnt;
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int64_t aspath_cnt;
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int64_t aspath_size;
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@@ -677,28 +794,17 @@ struct rde_memstats {
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int64_t attr_dcnt;
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};
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-struct rde_rib {
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- SIMPLEQ_ENTRY(rde_rib) entry;
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- char name[PEER_DESCR_LEN];
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- u_int16_t id;
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- u_int16_t flags;
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-};
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-SIMPLEQ_HEAD(rib_names, rde_rib);
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-extern struct rib_names ribnames;
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-
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-/* Address Family Numbers as per RFC 1700 */
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-#define AFI_IPv4 1
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-#define AFI_IPv6 2
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-#define AFI_ALL 0xffff
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-
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-/* Subsequent Address Family Identifier as per RFC 4760 */
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-#define SAFI_NONE 0x00
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-#define SAFI_UNICAST 0x01
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-#define SAFI_MULTICAST 0x02
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-#define SAFI_ALL 0xff
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-
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-/* 4-byte magic AS number */
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-#define AS_TRANS 23456
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+/* macros for IPv6 link-local address */
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+#if defined(__KAME__) && defined(IPV6_LINKLOCAL_PEER)
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+#define IN6_LINKLOCAL_IFINDEX(addr) \
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+ ((addr).s6_addr[2] << 8 | (addr).s6_addr[3])
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+
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+#define SET_IN6_LINKLOCAL_IFINDEX(addr, index) \
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+ do { \
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+ (addr).s6_addr[2] = ((index) >> 8) & 0xff; \
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+ (addr).s6_addr[3] = (index) & 0xff; \
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+ } while (0)
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+#endif
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/* prototypes */
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/* bgpd.c */
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@@ -709,6 +815,7 @@ int bgpd_filternexthop(struct kroute *
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/* log.c */
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void log_init(int);
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+void log_verbose(int);
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void vlog(int, const char *, va_list);
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void log_peer_warn(const struct peer_config *, const char *, ...);
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void log_peer_warnx(const struct peer_config *, const char *, ...);
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@@ -779,11 +886,19 @@ const char *log_addr(const struct bgpd_a
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const char *log_in6addr(const struct in6_addr *);
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const char *log_sockaddr(struct sockaddr *);
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const char *log_as(u_int32_t);
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+const char *log_ext_subtype(u_int8_t);
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int aspath_snprint(char *, size_t, void *, u_int16_t);
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int aspath_asprint(char **, void *, u_int16_t);
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size_t aspath_strlen(void *, u_int16_t);
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in_addr_t prefixlen2mask(u_int8_t);
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void inet6applymask(struct in6_addr *, const struct in6_addr *,
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int);
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+const char *aid2str(u_int8_t);
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+int aid2afi(u_int8_t, u_int16_t *, u_int8_t *);
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+int afi2aid(u_int16_t, u_int8_t, u_int8_t *);
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+sa_family_t aid2af(u_int8_t);
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+int af2aid(sa_family_t, u_int8_t, u_int8_t *);
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+struct sockaddr *addr2sa(struct bgpd_addr *, u_int16_t);
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+void sa2addr(struct sockaddr *, struct bgpd_addr *);
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#endif /* __BGPD_H__ */
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