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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:53:30 +0000
commit2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 (patch)
treec05dc0f8e6aa3accc84e3e5cffc933ed94941383 /ldpd/ldpd.h
parentInitial commit. (diff)
downloadfrr-upstream/8.4.4.tar.xz
frr-upstream/8.4.4.zip
Adding upstream version 8.4.4.upstream/8.4.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--ldpd/ldpd.h922
1 files changed, 922 insertions, 0 deletions
diff --git a/ldpd/ldpd.h b/ldpd/ldpd.h
new file mode 100644
index 0000000..02eaf10
--- /dev/null
+++ b/ldpd/ldpd.h
@@ -0,0 +1,922 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2013, 2016 Renato Westphal <renato@openbsd.org>
+ * Copyright (c) 2009 Michele Marchetto <michele@openbsd.org>
+ * Copyright (c) 2004 Esben Norby <norby@openbsd.org>
+ * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _LDPD_H_
+#define _LDPD_H_
+
+#include "queue.h"
+#include "openbsd-tree.h"
+#include "imsg.h"
+#include "thread.h"
+#include "qobj.h"
+#include "prefix.h"
+#include "filter.h"
+#include "vty.h"
+#include "pw.h"
+#include "zclient.h"
+
+#include "ldp.h"
+#include "lib/ldp_sync.h"
+
+#define CONF_FILE "/etc/ldpd.conf"
+#define LDPD_USER "_ldpd"
+
+#define LDPD_FD_ASYNC 3
+#define LDPD_FD_SYNC 4
+
+#define LDPD_OPT_VERBOSE 0x00000001
+#define LDPD_OPT_VERBOSE2 0x00000002
+#define LDPD_OPT_NOACTION 0x00000004
+
+#define TCP_MD5_KEY_LEN 80
+
+#define RT_BUF_SIZE 16384
+#define MAX_RTSOCK_BUF 128 * 1024
+#define LDP_BACKLOG 128
+
+#define F_LDPD_INSERTED 0x0001
+#define F_CONNECTED 0x0002
+#define F_STATIC 0x0004
+#define F_DYNAMIC 0x0008
+#define F_REJECT 0x0010
+#define F_BLACKHOLE 0x0020
+#define F_REDISTRIBUTED 0x0040
+
+struct evbuf {
+ struct msgbuf wbuf;
+ struct thread *ev;
+ void (*handler)(struct thread *);
+ void *arg;
+};
+
+struct imsgev {
+ struct imsgbuf ibuf;
+ void (*handler_write)(struct thread *);
+ struct thread *ev_write;
+ void (*handler_read)(struct thread *);
+ struct thread *ev_read;
+};
+
+enum imsg_type {
+ IMSG_NONE,
+ IMSG_CTL_RELOAD,
+ IMSG_CTL_SHOW_INTERFACE,
+ IMSG_CTL_SHOW_DISCOVERY,
+ IMSG_CTL_SHOW_DISCOVERY_DTL,
+ IMSG_CTL_SHOW_DISC_IFACE,
+ IMSG_CTL_SHOW_DISC_TNBR,
+ IMSG_CTL_SHOW_DISC_ADJ,
+ IMSG_CTL_SHOW_NBR,
+ IMSG_CTL_SHOW_NBR_DISC,
+ IMSG_CTL_SHOW_NBR_END,
+ IMSG_CTL_SHOW_LIB,
+ IMSG_CTL_SHOW_LIB_BEGIN,
+ IMSG_CTL_SHOW_LIB_SENT,
+ IMSG_CTL_SHOW_LIB_RCVD,
+ IMSG_CTL_SHOW_LIB_END,
+ IMSG_CTL_SHOW_L2VPN_PW,
+ IMSG_CTL_SHOW_L2VPN_BINDING,
+ IMSG_CTL_SHOW_LDP_SYNC,
+ IMSG_CTL_CLEAR_NBR,
+ IMSG_CTL_FIB_COUPLE,
+ IMSG_CTL_FIB_DECOUPLE,
+ IMSG_CTL_KROUTE,
+ IMSG_CTL_KROUTE_ADDR,
+ IMSG_CTL_IFINFO,
+ IMSG_CTL_END,
+ IMSG_CTL_LOG_VERBOSE,
+ IMSG_KLABEL_CHANGE,
+ IMSG_KLABEL_DELETE,
+ IMSG_KPW_ADD,
+ IMSG_KPW_DELETE,
+ IMSG_KPW_SET,
+ IMSG_KPW_UNSET,
+ IMSG_IFSTATUS,
+ IMSG_NEWADDR,
+ IMSG_DELADDR,
+ IMSG_RTRID_UPDATE,
+ IMSG_LABEL_MAPPING,
+ IMSG_LABEL_MAPPING_FULL,
+ IMSG_LABEL_REQUEST,
+ IMSG_LABEL_RELEASE,
+ IMSG_LABEL_WITHDRAW,
+ IMSG_LABEL_ABORT,
+ IMSG_REQUEST_ADD,
+ IMSG_REQUEST_ADD_END,
+ IMSG_MAPPING_ADD,
+ IMSG_MAPPING_ADD_END,
+ IMSG_RELEASE_ADD,
+ IMSG_RELEASE_ADD_END,
+ IMSG_WITHDRAW_ADD,
+ IMSG_WITHDRAW_ADD_END,
+ IMSG_ADDRESS_ADD,
+ IMSG_ADDRESS_DEL,
+ IMSG_NOTIFICATION,
+ IMSG_NOTIFICATION_SEND,
+ IMSG_NEIGHBOR_UP,
+ IMSG_NEIGHBOR_DOWN,
+ IMSG_NETWORK_ADD,
+ IMSG_NETWORK_UPDATE,
+ IMSG_SOCKET_IPC,
+ IMSG_SOCKET_NET,
+ IMSG_CLOSE_SOCKETS,
+ IMSG_REQUEST_SOCKETS,
+ IMSG_SETUP_SOCKETS,
+ IMSG_RECONF_CONF,
+ IMSG_RECONF_IFACE,
+ IMSG_RECONF_TNBR,
+ IMSG_RECONF_NBRP,
+ IMSG_RECONF_L2VPN,
+ IMSG_RECONF_L2VPN_IF,
+ IMSG_RECONF_L2VPN_PW,
+ IMSG_RECONF_L2VPN_IPW,
+ IMSG_RECONF_END,
+ IMSG_DEBUG_UPDATE,
+ IMSG_LOG,
+ IMSG_ACL_CHECK,
+ IMSG_INIT,
+ IMSG_PW_UPDATE,
+ IMSG_FILTER_UPDATE,
+ IMSG_NBR_SHUTDOWN,
+ IMSG_LDP_SYNC_IF_STATE_REQUEST,
+ IMSG_LDP_SYNC_IF_STATE_UPDATE,
+ IMSG_RLFA_REG,
+ IMSG_RLFA_UNREG_ALL,
+ IMSG_RLFA_LABELS,
+ IMSG_AGENTX_ENABLED,
+};
+
+struct ldpd_init {
+ char user[256];
+ char group[256];
+ char ctl_sock_path[MAXPATHLEN];
+ char zclient_serv_path[MAXPATHLEN];
+ unsigned short instance;
+};
+
+struct ldp_access {
+ char name[ACL_NAMSIZ];
+};
+
+union ldpd_addr {
+ struct in_addr v4;
+ struct in6_addr v6;
+};
+
+#define IN6_IS_SCOPE_EMBED(a) \
+ ((IN6_IS_ADDR_LINKLOCAL(a)) || \
+ (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \
+ (IN6_IS_ADDR_MC_INTFACELOCAL(a)))
+
+/* interface states */
+#define IF_STA_DOWN 0x01
+#define IF_STA_ACTIVE 0x02
+
+/* targeted neighbor states */
+#define TNBR_STA_DOWN 0x01
+#define TNBR_STA_ACTIVE 0x02
+
+/* interface types */
+enum iface_type {
+ IF_TYPE_POINTOPOINT,
+ IF_TYPE_BROADCAST
+};
+
+/* neighbor states */
+#define NBR_STA_PRESENT 0x0001
+#define NBR_STA_INITIAL 0x0002
+#define NBR_STA_OPENREC 0x0004
+#define NBR_STA_OPENSENT 0x0008
+#define NBR_STA_OPER 0x0010
+#define NBR_STA_SESSION (NBR_STA_INITIAL | NBR_STA_OPENREC | \
+ NBR_STA_OPENSENT | NBR_STA_OPER)
+
+/* neighbor events */
+enum nbr_event {
+ NBR_EVT_NOTHING,
+ NBR_EVT_MATCH_ADJ,
+ NBR_EVT_CONNECT_UP,
+ NBR_EVT_CLOSE_SESSION,
+ NBR_EVT_INIT_RCVD,
+ NBR_EVT_KEEPALIVE_RCVD,
+ NBR_EVT_PDU_RCVD,
+ NBR_EVT_PDU_SENT,
+ NBR_EVT_INIT_SENT
+};
+
+/* neighbor actions */
+enum nbr_action {
+ NBR_ACT_NOTHING,
+ NBR_ACT_RST_KTIMEOUT,
+ NBR_ACT_SESSION_EST,
+ NBR_ACT_RST_KTIMER,
+ NBR_ACT_CONNECT_SETUP,
+ NBR_ACT_PASSIVE_INIT,
+ NBR_ACT_KEEPALIVE_SEND,
+ NBR_ACT_CLOSE_SESSION
+};
+
+/* LDP IGP Sync states */
+#define LDP_SYNC_STA_UNKNOWN 0x0000
+#define LDP_SYNC_STA_NOT_ACH 0x0001
+#define LDP_SYNC_STA_ACH 0x0002
+
+/* LDP IGP Sync events */
+enum ldp_sync_event {
+ LDP_SYNC_EVT_NOTHING,
+ LDP_SYNC_EVT_LDP_SYNC_START,
+ LDP_SYNC_EVT_LDP_SYNC_COMPLETE,
+ LDP_SYNC_EVT_CONFIG_LDP_OFF,
+ LDP_SYNC_EVT_ADJ_DEL,
+ LDP_SYNC_EVT_ADJ_NEW,
+ LDP_SYNC_EVT_SESSION_CLOSE,
+ LDP_SYNC_EVT_CONFIG_LDP_ON,
+ LDP_SYNC_EVT_IFACE_SHUTDOWN
+};
+
+/* LDP IGP Sync actions */
+enum ldp_sync_action {
+ LDP_SYNC_ACT_NOTHING,
+ LDP_SYNC_ACT_IFACE_START_SYNC,
+ LDP_SYNC_ACT_LDP_START_SYNC,
+ LDP_SYNC_ACT_LDP_COMPLETE_SYNC,
+ LDP_SYNC_ACT_CONFIG_LDP_OFF,
+ LDP_SYNC_ACT_IFACE_SHUTDOWN
+};
+
+/* forward declarations */
+RB_HEAD(global_adj_head, adj);
+RB_HEAD(nbr_adj_head, adj);
+RB_HEAD(ia_adj_head, adj);
+
+struct map {
+ uint8_t type;
+ uint32_t msg_id;
+ union {
+ struct {
+ uint16_t af;
+ union ldpd_addr prefix;
+ uint8_t prefixlen;
+ } prefix;
+ struct {
+ uint16_t type;
+ uint32_t pwid;
+ uint32_t group_id;
+ uint16_t ifmtu;
+ } pwid;
+ struct {
+ uint8_t type;
+ union {
+ uint16_t prefix_af;
+ uint16_t pw_type;
+ } u;
+ } twcard;
+ } fec;
+ struct {
+ uint32_t status_code;
+ uint32_t msg_id;
+ uint16_t msg_type;
+ } st;
+ uint32_t label;
+ uint32_t requestid;
+ uint32_t pw_status;
+ uint8_t flags;
+};
+#define F_MAP_REQ_ID 0x01 /* optional request message id present */
+#define F_MAP_STATUS 0x02 /* status */
+#define F_MAP_PW_CWORD 0x04 /* pseudowire control word */
+#define F_MAP_PW_ID 0x08 /* pseudowire connection id */
+#define F_MAP_PW_IFMTU 0x10 /* pseudowire interface parameter */
+#define F_MAP_PW_STATUS 0x20 /* pseudowire status */
+
+struct notify_msg {
+ uint32_t status_code;
+ uint32_t msg_id; /* network byte order */
+ uint16_t msg_type; /* network byte order */
+ uint32_t pw_status;
+ struct map fec;
+ struct {
+ uint16_t type;
+ uint16_t length;
+ char *data;
+ } rtlvs;
+ uint8_t flags;
+};
+#define F_NOTIF_PW_STATUS 0x01 /* pseudowire status tlv present */
+#define F_NOTIF_FEC 0x02 /* fec tlv present */
+#define F_NOTIF_RETURNED_TLVS 0x04 /* returned tlvs present */
+
+struct if_addr {
+ LIST_ENTRY(if_addr) entry;
+ int af;
+ union ldpd_addr addr;
+ uint8_t prefixlen;
+ union ldpd_addr dstbrd;
+};
+LIST_HEAD(if_addr_head, if_addr);
+
+struct iface_af {
+ struct iface *iface;
+ int af;
+ int enabled;
+ int state;
+ struct ia_adj_head adj_tree;
+ time_t uptime;
+ struct thread *hello_timer;
+ uint16_t hello_holdtime;
+ uint16_t hello_interval;
+};
+
+struct iface_ldp_sync {
+ int state;
+ struct thread *wait_for_sync_timer;
+};
+
+struct iface {
+ RB_ENTRY(iface) entry;
+ char name[INTERFACE_NAMSIZ];
+ ifindex_t ifindex;
+ struct if_addr_head addr_list;
+ struct in6_addr linklocal;
+ enum iface_type type;
+ int operative;
+ struct iface_af ipv4;
+ struct iface_af ipv6;
+ struct iface_ldp_sync ldp_sync;
+ QOBJ_FIELDS;
+};
+RB_HEAD(iface_head, iface);
+RB_PROTOTYPE(iface_head, iface, entry, iface_compare);
+DECLARE_QOBJ_TYPE(iface);
+
+/* source of targeted hellos */
+struct tnbr {
+ RB_ENTRY(tnbr) entry;
+ struct thread *hello_timer;
+ struct adj *adj;
+ int af;
+ union ldpd_addr addr;
+ int state;
+ uint16_t pw_count;
+ uint32_t rlfa_count;
+ uint8_t flags;
+ QOBJ_FIELDS;
+};
+RB_HEAD(tnbr_head, tnbr);
+RB_PROTOTYPE(tnbr_head, tnbr, entry, tnbr_compare);
+DECLARE_QOBJ_TYPE(tnbr);
+#define F_TNBR_CONFIGURED 0x01
+#define F_TNBR_DYNAMIC 0x02
+
+enum auth_method {
+ AUTH_NONE,
+ AUTH_MD5SIG
+};
+
+/* neighbor specific parameters */
+struct nbr_params {
+ RB_ENTRY(nbr_params) entry;
+ struct in_addr lsr_id;
+ uint16_t keepalive;
+ int gtsm_enabled;
+ uint8_t gtsm_hops;
+ struct {
+ enum auth_method method;
+ char md5key[TCP_MD5_KEY_LEN];
+ uint8_t md5key_len;
+ } auth;
+ uint8_t flags;
+ QOBJ_FIELDS;
+};
+RB_HEAD(nbrp_head, nbr_params);
+RB_PROTOTYPE(nbrp_head, nbr_params, entry, nbr_params_compare);
+DECLARE_QOBJ_TYPE(nbr_params);
+#define F_NBRP_KEEPALIVE 0x01
+#define F_NBRP_GTSM 0x02
+#define F_NBRP_GTSM_HOPS 0x04
+
+struct ldp_stats {
+ uint32_t kalive_sent;
+ uint32_t kalive_rcvd;
+ uint32_t addr_sent;
+ uint32_t addr_rcvd;
+ uint32_t addrwdraw_sent;
+ uint32_t addrwdraw_rcvd;
+ uint32_t notif_sent;
+ uint32_t notif_rcvd;
+ uint32_t capability_sent;
+ uint32_t capability_rcvd;
+ uint32_t labelmap_sent;
+ uint32_t labelmap_rcvd;
+ uint32_t labelreq_sent;
+ uint32_t labelreq_rcvd;
+ uint32_t labelwdraw_sent;
+ uint32_t labelwdraw_rcvd;
+ uint32_t labelrel_sent;
+ uint32_t labelrel_rcvd;
+ uint32_t labelabreq_sent;
+ uint32_t labelabreq_rcvd;
+ uint32_t unknown_tlv;
+ uint32_t unknown_msg;
+
+};
+
+struct ldp_entity_stats {
+ uint32_t session_attempts;
+ uint32_t session_rejects_hello;
+ uint32_t session_rejects_ad;
+ uint32_t session_rejects_max_pdu;
+ uint32_t session_rejects_lr;
+ uint32_t bad_ldp_id;
+ uint32_t bad_pdu_len;
+ uint32_t bad_msg_len;
+ uint32_t bad_tlv_len;
+ uint32_t malformed_tlv;
+ uint32_t keepalive_timer_exp;
+ uint32_t shutdown_rcv_notify;
+ uint32_t shutdown_send_notify;
+};
+
+struct l2vpn_if {
+ RB_ENTRY(l2vpn_if) entry;
+ struct l2vpn *l2vpn;
+ char ifname[INTERFACE_NAMSIZ];
+ ifindex_t ifindex;
+ int operative;
+ uint8_t mac[ETH_ALEN];
+ QOBJ_FIELDS;
+};
+RB_HEAD(l2vpn_if_head, l2vpn_if);
+RB_PROTOTYPE(l2vpn_if_head, l2vpn_if, entry, l2vpn_if_compare);
+DECLARE_QOBJ_TYPE(l2vpn_if);
+
+struct l2vpn_pw {
+ RB_ENTRY(l2vpn_pw) entry;
+ struct l2vpn *l2vpn;
+ struct in_addr lsr_id;
+ int af;
+ union ldpd_addr addr;
+ uint32_t pwid;
+ char ifname[INTERFACE_NAMSIZ];
+ ifindex_t ifindex;
+ bool enabled;
+ uint32_t remote_group;
+ uint16_t remote_mtu;
+ uint32_t local_status;
+ uint32_t remote_status;
+ uint8_t flags;
+ uint8_t reason;
+ QOBJ_FIELDS;
+};
+RB_HEAD(l2vpn_pw_head, l2vpn_pw);
+RB_PROTOTYPE(l2vpn_pw_head, l2vpn_pw, entry, l2vpn_pw_compare);
+DECLARE_QOBJ_TYPE(l2vpn_pw);
+#define F_PW_STATUSTLV_CONF 0x01 /* status tlv configured */
+#define F_PW_STATUSTLV 0x02 /* status tlv negotiated */
+#define F_PW_CWORD_CONF 0x04 /* control word configured */
+#define F_PW_CWORD 0x08 /* control word negotiated */
+#define F_PW_STATIC_NBR_ADDR 0x10 /* static neighbor address configured */
+
+#define F_PW_NO_ERR 0x00 /* no error reported */
+#define F_PW_LOCAL_NOT_FWD 0x01 /* locally can't forward over PW */
+#define F_PW_REMOTE_NOT_FWD 0x02 /* remote end of PW reported fwd error*/
+#define F_PW_NO_REMOTE_LABEL 0x03 /* have not recvd label from peer */
+#define F_PW_MTU_MISMATCH 0x04 /* mtu mismatch between peers */
+
+struct l2vpn {
+ RB_ENTRY(l2vpn) entry;
+ char name[L2VPN_NAME_LEN];
+ int type;
+ int pw_type;
+ int mtu;
+ char br_ifname[INTERFACE_NAMSIZ];
+ ifindex_t br_ifindex;
+ struct l2vpn_if_head if_tree;
+ struct l2vpn_pw_head pw_tree;
+ struct l2vpn_pw_head pw_inactive_tree;
+ QOBJ_FIELDS;
+};
+RB_HEAD(l2vpn_head, l2vpn);
+RB_PROTOTYPE(l2vpn_head, l2vpn, entry, l2vpn_compare);
+DECLARE_QOBJ_TYPE(l2vpn);
+#define L2VPN_TYPE_VPWS 1
+#define L2VPN_TYPE_VPLS 2
+
+/* ldp_conf */
+extern enum ldpd_process {
+ PROC_MAIN,
+ PROC_LDP_ENGINE,
+ PROC_LDE_ENGINE
+} ldpd_process;
+
+static const char * const log_procnames[] = {
+ "parent",
+ "ldpe",
+ "lde"
+};
+
+enum socket_type {
+ LDP_SOCKET_DISC,
+ LDP_SOCKET_EDISC,
+ LDP_SOCKET_SESSION
+};
+
+enum hello_type {
+ HELLO_LINK,
+ HELLO_TARGETED
+};
+
+struct ldpd_af_conf {
+ uint16_t keepalive;
+ uint16_t lhello_holdtime;
+ uint16_t lhello_interval;
+ uint16_t thello_holdtime;
+ uint16_t thello_interval;
+ union ldpd_addr trans_addr;
+ char acl_thello_accept_from[ACL_NAMSIZ];
+ char acl_label_allocate_for[ACL_NAMSIZ];
+ char acl_label_advertise_to[ACL_NAMSIZ];
+ char acl_label_advertise_for[ACL_NAMSIZ];
+ char acl_label_expnull_for[ACL_NAMSIZ];
+ char acl_label_accept_from[ACL_NAMSIZ];
+ char acl_label_accept_for[ACL_NAMSIZ];
+ int flags;
+};
+#define F_LDPD_AF_ENABLED 0x0001
+#define F_LDPD_AF_THELLO_ACCEPT 0x0002
+#define F_LDPD_AF_EXPNULL 0x0004
+#define F_LDPD_AF_NO_GTSM 0x0008
+#define F_LDPD_AF_ALLOCHOSTONLY 0x0010
+
+struct ldpd_conf {
+ struct in_addr rtr_id;
+ struct ldpd_af_conf ipv4;
+ struct ldpd_af_conf ipv6;
+ struct iface_head iface_tree;
+ struct tnbr_head tnbr_tree;
+ struct nbrp_head nbrp_tree;
+ struct l2vpn_head l2vpn_tree;
+ uint16_t lhello_holdtime;
+ uint16_t lhello_interval;
+ uint16_t thello_holdtime;
+ uint16_t thello_interval;
+ uint16_t trans_pref;
+ uint16_t wait_for_sync_interval;
+ int flags;
+ time_t config_change_time;
+ struct ldp_entity_stats stats;
+ QOBJ_FIELDS;
+};
+DECLARE_QOBJ_TYPE(ldpd_conf);
+#define F_LDPD_NO_FIB_UPDATE 0x0001
+#define F_LDPD_DS_CISCO_INTEROP 0x0002
+#define F_LDPD_ENABLED 0x0004
+#define F_LDPD_ORDERED_CONTROL 0x0008
+#define F_LDPD_ALLOW_BROKEN_LSP 0x0010
+
+struct ldpd_af_global {
+ struct thread *disc_ev;
+ struct thread *edisc_ev;
+ int ldp_disc_socket;
+ int ldp_edisc_socket;
+ int ldp_session_socket;
+};
+
+struct ldpd_global {
+ int cmd_opts;
+ struct in_addr rtr_id;
+ struct ldpd_af_global ipv4;
+ struct ldpd_af_global ipv6;
+ uint32_t conf_seqnum;
+ int pfkeysock;
+ struct if_addr_head addr_list;
+ struct global_adj_head adj_tree;
+ struct in_addr mcast_addr_v4;
+ struct in6_addr mcast_addr_v6;
+ TAILQ_HEAD(, pending_conn) pending_conns;
+};
+
+/* kroute */
+struct kroute {
+ int af;
+ union ldpd_addr prefix;
+ uint8_t prefixlen;
+ union ldpd_addr nexthop;
+ uint32_t local_label;
+ uint32_t remote_label;
+ ifindex_t ifindex;
+ uint8_t route_type;
+ uint8_t route_instance;
+ uint16_t flags;
+};
+
+struct kaddr {
+ char ifname[INTERFACE_NAMSIZ];
+ ifindex_t ifindex;
+ int af;
+ union ldpd_addr addr;
+ uint8_t prefixlen;
+ union ldpd_addr dstbrd;
+};
+
+struct kif {
+ char ifname[INTERFACE_NAMSIZ];
+ ifindex_t ifindex;
+ int flags;
+ int operative;
+ uint8_t mac[ETH_ALEN];
+ int mtu;
+};
+
+struct acl_check {
+ char acl[ACL_NAMSIZ];
+ int af;
+ union ldpd_addr addr;
+ uint8_t prefixlen;
+};
+
+/* control data structures */
+struct ctl_iface {
+ int af;
+ char name[INTERFACE_NAMSIZ];
+ ifindex_t ifindex;
+ int state;
+ enum iface_type type;
+ uint16_t hello_holdtime;
+ uint16_t hello_interval;
+ time_t uptime;
+ uint16_t adj_cnt;
+};
+
+struct ctl_disc_if {
+ char name[INTERFACE_NAMSIZ];
+ int active_v4;
+ int active_v6;
+ int no_adj;
+};
+
+struct ctl_disc_tnbr {
+ int af;
+ union ldpd_addr addr;
+ int no_adj;
+};
+
+struct ctl_adj {
+ int af;
+ struct in_addr id;
+ enum hello_type type;
+ char ifname[INTERFACE_NAMSIZ];
+ union ldpd_addr src_addr;
+ uint16_t holdtime;
+ uint16_t holdtime_remaining;
+ union ldpd_addr trans_addr;
+ int ds_tlv;
+};
+
+struct ctl_nbr {
+ int af;
+ struct in_addr id;
+ union ldpd_addr laddr;
+ in_port_t lport;
+ union ldpd_addr raddr;
+ in_port_t rport;
+ enum auth_method auth_method;
+ uint16_t holdtime;
+ time_t uptime;
+ int nbr_state;
+ struct ldp_stats stats;
+ int flags;
+ uint16_t max_pdu_len;
+ uint16_t hold_time_remaining;
+};
+
+struct ctl_rt {
+ int af;
+ union ldpd_addr prefix;
+ uint8_t prefixlen;
+ struct in_addr nexthop; /* lsr-id */
+ uint32_t local_label;
+ uint32_t remote_label;
+ uint8_t flags;
+ uint8_t in_use;
+ int no_downstream;
+};
+
+struct ctl_pw {
+ uint16_t type;
+ char l2vpn_name[L2VPN_NAME_LEN];
+ char ifname[INTERFACE_NAMSIZ];
+ uint32_t pwid;
+ struct in_addr lsr_id;
+ uint32_t local_label;
+ uint32_t local_gid;
+ uint16_t local_ifmtu;
+ uint8_t local_cword;
+ uint32_t remote_label;
+ uint32_t remote_gid;
+ uint16_t remote_ifmtu;
+ uint8_t remote_cword;
+ uint32_t status;
+ uint8_t reason;
+};
+
+struct ctl_ldp_sync {
+ char name[INTERFACE_NAMSIZ];
+ ifindex_t ifindex;
+ bool in_sync;
+ bool timer_running;
+ uint16_t wait_time;
+ uint16_t wait_time_remaining;
+ struct in_addr peer_ldp_id;
+};
+
+extern struct ldpd_conf *ldpd_conf, *vty_conf;
+extern struct ldpd_global global;
+extern struct ldpd_init init;
+
+/* parse.y */
+struct ldpd_conf *parse_config(char *);
+int cmdline_symset(char *);
+
+/* kroute.c */
+void pw2zpw(struct l2vpn_pw *, struct zapi_pw *);
+void kif_redistribute(const char *);
+int kr_change(struct kroute *);
+int kr_delete(struct kroute *);
+int kmpw_add(struct zapi_pw *);
+int kmpw_del(struct zapi_pw *);
+int kmpw_set(struct zapi_pw *);
+int kmpw_unset(struct zapi_pw *);
+
+/* util.c */
+uint8_t mask2prefixlen(in_addr_t);
+uint8_t mask2prefixlen6(struct sockaddr_in6 *);
+in_addr_t prefixlen2mask(uint8_t);
+struct in6_addr *prefixlen2mask6(uint8_t);
+void ldp_applymask(int, union ldpd_addr *,
+ const union ldpd_addr *, int);
+int ldp_addrcmp(int, const union ldpd_addr *,
+ const union ldpd_addr *);
+int ldp_addrisset(int, const union ldpd_addr *);
+int ldp_prefixcmp(int, const union ldpd_addr *,
+ const union ldpd_addr *, uint8_t);
+int bad_addr_v4(struct in_addr);
+int bad_addr_v6(struct in6_addr *);
+int bad_addr(int, union ldpd_addr *);
+void embedscope(struct sockaddr_in6 *);
+void recoverscope(struct sockaddr_in6 *);
+void addscope(struct sockaddr_in6 *, uint32_t);
+void clearscope(struct in6_addr *);
+void addr2sa(int af, const union ldpd_addr *, uint16_t,
+ union sockunion *su);
+void sa2addr(struct sockaddr *, int *, union ldpd_addr *,
+ in_port_t *);
+socklen_t sockaddr_len(struct sockaddr *);
+
+/* ldpd.c */
+void ldp_write_handler(struct thread *thread);
+void main_imsg_compose_ldpe(int, pid_t, void *, uint16_t);
+void main_imsg_compose_lde(int, pid_t, void *, uint16_t);
+int main_imsg_compose_both(enum imsg_type, void *,
+ uint16_t);
+void imsg_event_add(struct imsgev *);
+int imsg_compose_event(struct imsgev *, uint16_t, uint32_t,
+ pid_t, int, void *, uint16_t);
+void evbuf_enqueue(struct evbuf *, struct ibuf *);
+void evbuf_event_add(struct evbuf *);
+void evbuf_init(struct evbuf *, int, void (*)(struct thread *), void *);
+void evbuf_clear(struct evbuf *);
+int ldp_acl_request(struct imsgev *, char *, int,
+ union ldpd_addr *, uint8_t);
+void ldp_acl_reply(struct imsgev *, struct acl_check *);
+struct ldpd_af_conf *ldp_af_conf_get(struct ldpd_conf *, int);
+struct ldpd_af_global *ldp_af_global_get(struct ldpd_global *, int);
+int ldp_is_dual_stack(struct ldpd_conf *);
+in_addr_t ldp_rtr_id_get(struct ldpd_conf *);
+int ldp_config_apply(struct vty *, struct ldpd_conf *);
+void ldp_clear_config(struct ldpd_conf *);
+void merge_config(struct ldpd_conf *, struct ldpd_conf *);
+struct ldpd_conf *config_new_empty(void);
+void config_clear(struct ldpd_conf *);
+
+/* ldp_vty_conf.c */
+/* NOTE: the parameters' names should be preserved because of codegen */
+struct iface *iface_new_api(struct ldpd_conf *conf,
+ const char *name);
+void iface_del_api(struct ldpd_conf *conf,
+ struct iface *iface);
+struct tnbr *tnbr_new_api(struct ldpd_conf *conf, int af,
+ union ldpd_addr *addr);
+void tnbr_del_api(struct ldpd_conf *conf, struct tnbr *tnbr);
+struct nbr_params *nbrp_new_api(struct ldpd_conf *conf,
+ struct in_addr lsr_id);
+void nbrp_del_api(struct ldpd_conf *conf,
+ struct nbr_params *nbrp);
+struct l2vpn *l2vpn_new_api(struct ldpd_conf *conf, const char *name);
+void l2vpn_del_api(struct ldpd_conf *conf,
+ struct l2vpn *l2vpn);
+struct l2vpn_if *l2vpn_if_new_api(struct ldpd_conf *conf,
+ struct l2vpn *l2vpn, const char *ifname);
+void l2vpn_if_del_api(struct l2vpn *l2vpn,
+ struct l2vpn_if *lif);
+struct l2vpn_pw *l2vpn_pw_new_api(struct ldpd_conf *conf,
+ struct l2vpn *l2vpn, const char *ifname);
+void l2vpn_pw_del_api(struct l2vpn *l2vpn,
+ struct l2vpn_pw *pw);
+
+/* socket.c */
+int ldp_create_socket(int, enum socket_type);
+void sock_set_nonblock(int);
+void sock_set_cloexec(int);
+void sock_set_recvbuf(int);
+int sock_set_reuse(int, int);
+int sock_set_bindany(int, int);
+int sock_set_md5sig(int, int, union ldpd_addr *, const char *);
+int sock_set_ipv4_tos(int, int);
+int sock_set_ipv4_pktinfo(int, int);
+int sock_set_ipv4_recvdstaddr(int fd, ifindex_t ifindex);
+int sock_set_ipv4_recvif(int, int);
+int sock_set_ipv4_minttl(int, int);
+int sock_set_ipv4_ucast_ttl(int fd, int);
+int sock_set_ipv4_mcast_ttl(int, uint8_t);
+int sock_set_ipv4_mcast(struct iface *);
+int sock_set_ipv4_mcast_loop(int);
+int sock_set_ipv6_dscp(int, int);
+int sock_set_ipv6_pktinfo(int, int);
+int sock_set_ipv6_minhopcount(int, int);
+int sock_set_ipv6_ucast_hops(int, int);
+int sock_set_ipv6_mcast_hops(int, int);
+int sock_set_ipv6_mcast(struct iface *);
+int sock_set_ipv6_mcast_loop(int);
+
+/* logmsg.h */
+struct in6_addr;
+union ldpd_addr;
+struct hello_source;
+struct fec;
+
+const char *log_sockaddr(void *);
+const char *log_in6addr(const struct in6_addr *);
+const char *log_in6addr_scope(const struct in6_addr *addr,
+ ifindex_t ifidx);
+const char *log_addr(int, const union ldpd_addr *);
+char *log_label(uint32_t);
+const char *log_time(time_t);
+char *log_hello_src(const struct hello_source *);
+const char *log_map(const struct map *);
+const char *log_fec(const struct fec *);
+const char *af_name(int);
+const char *socket_name(int);
+const char *nbr_state_name(int);
+const char *if_state_name(int);
+const char *if_type_name(enum iface_type);
+const char *msg_name(uint16_t);
+const char *status_code_name(uint32_t);
+const char *pw_type_name(uint16_t);
+const char *pw_error_code(uint8_t);
+
+/* quagga */
+extern struct thread_master *master;
+extern char ctl_sock_path[MAXPATHLEN];
+
+/* ldp_zebra.c */
+void ldp_zebra_init(struct thread_master *);
+void ldp_zebra_destroy(void);
+int ldp_sync_zebra_send_state_update(struct ldp_igp_sync_if_state *);
+int ldp_zebra_send_rlfa_labels(struct zapi_rlfa_response *
+ rlfa_labels);
+
+void ldp_zebra_regdereg_zebra_info(bool want_register);
+
+/* compatibility */
+#ifndef __OpenBSD__
+#define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
+#define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01
+#define IN6_IS_ADDR_MC_INTFACELOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && \
+ (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_INTFACELOCAL))
+#endif
+
+DECLARE_HOOK(ldp_register_mib, (struct thread_master * tm), (tm));
+
+extern void ldp_agentx_enabled(void);
+
+#endif /* _LDPD_H_ */