[thirdparty/lldpd.git] / src / lldpd.h

/*
 * Copyright (c) 2008 Vincent Bernat <bernat@luffy.cx>
 *
 * 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 _LLDPD_H
#define _LLDPD_H

#if HAVE_CONFIG_H
 #include <config.h>
#endif

#define _GNU_SOURCE 1
#include <stdlib.h>
#include <string.h>
#include <sys/queue.h>
#ifndef INCLUDE_LINUX_IF_H
#include <net/if.h>
#else
#include <arpa/inet.h>
#include <linux/if.h>
#endif
#include <net/ethernet.h>
#include <netinet/in.h>
#include <linux/ethtool.h>

#include "compat.h"
#include "lldp.h"
#include "cdp.h"
#include "sonmp.h"
#include "edp.h"

#define LLDPD_TTL		120
#define LLDPD_TX_DELAY		30
#define LLDPD_TX_MSGDELAY	1
#define LLDPD_CTL_SOCKET	"/var/run/lldpd.socket"
#define LLDPD_PID_FILE		"/var/run/lldpd.pid"

#define UNIX_PATH_MAX	108

#define USING_AGENTX_SUBAGENT_MODULE 1

struct lldpd_vlan {
	TAILQ_ENTRY(lldpd_vlan)  v_entries;
	char			*v_name;
	u_int16_t		 v_vid;
};
#define STRUCT_LLDPD_VLAN "Lsw"

struct lldpd_chassis {
	u_int8_t	 	 c_id_subtype;
	char			*c_id;
	int			 c_id_len;
	char			*c_name;
	char			*c_descr;

	u_int16_t		 c_cap_available;
	u_int16_t		 c_cap_enabled;

	u_int16_t		 c_ttl;

	struct in_addr		 c_mgmt;
	u_int32_t		 c_mgmt_if;
};
#define STRUCT_LLDPD_CHASSIS "bCsswwwll"

struct lldpd_port {
	u_int8_t		 p_id_subtype;
	char			*p_id;
	int			 p_id_len;
	char			*p_descr;

	/* Dot3 stuff */
	u_int32_t		 p_aggregid;
	u_int8_t		 p_autoneg_support;
	u_int8_t		 p_autoneg_enabled;
	u_int16_t		 p_autoneg_advertised;
	u_int16_t		 p_mau_type;

	TAILQ_HEAD(, lldpd_vlan) p_vlans;
};
#define STRUCT_LLDPD_PORT "bCslbbwwPP"

struct lldpd_frame {
	int size;
	unsigned char frame[];
};

struct lldpd_hardware {
	TAILQ_ENTRY(lldpd_hardware)	 h_entries;

#define INTERFACE_OPENED(x) ((x)->h_raw != -1)
	
	int			 h_raw;
	int			 h_raw_real; /* For bonding */
	int			 h_master;   /* For bonding */

#define LLDPD_MODE_ANY 0
#define LLDPD_MODE_LLDP 1
#define LLDPD_MODE_CDPV1 2
#define LLDPD_MODE_CDPV2 3
#define LLDPD_MODE_SONMP 4
#define LLDPD_MODE_EDP 5
#define LLDPD_MODE_FDP 6
	int			 h_mode;

	int			 h_flags;
	int			 h_mtu;
	char			 h_ifname[IFNAMSIZ];
	u_int8_t		 h_lladdr[ETHER_ADDR_LEN];

	u_int64_t		 h_tx_cnt;
	u_int64_t		 h_rx_cnt;
	u_int64_t		 h_rx_discarded_cnt;
	u_int64_t		 h_rx_ageout_cnt;
	u_int64_t		 h_rx_unrecognized_cnt;

	u_int8_t		*h_proto_macs;
	time_t			 h_start_probe;

	struct lldpd_port	 h_lport;
	time_t			 h_llastchange;
	struct lldpd_frame	*h_llastframe;

	time_t			 h_rlastchange;
	time_t			 h_rlastupdate;
	int			 h_rid;
	struct lldpd_frame	*h_rlastframe;
	struct lldpd_port	*h_rport;
	struct lldpd_chassis	*h_rchassis;
};

/* lldpd_vif can be casted to lldpd_hardware on some cases */
struct lldpd_vif {
	TAILQ_ENTRY(lldpd_vif)	 vif_entries;
	int			 vif_raw;
	int			 vif_raw_real; /* Not used */
	int			 vif_master;   /* Not used */
	int			 vif_mode;     /* Not used */
	int			 vif_flags;
	int			 vif_mtu;
	char			 vif_ifname[IFNAMSIZ];

	/* No more compatibility with struct lldpd_hardware from here */
	struct lldpd_hardware	*vif_real;
};

struct lldpd_interface {
	TAILQ_ENTRY(lldpd_interface) next;
	char			*name;
};
#define STRUCT_LLDPD_INTERFACE "Ls"

struct lldpd_client {
	TAILQ_ENTRY(lldpd_client) next;
	int fd;
};

#define PROTO_SEND_SIG struct lldpd *, struct lldpd_chassis *, struct lldpd_hardware *
#define PROTO_DECODE_SIG struct lldpd *, char *, int, struct lldpd_hardware *, struct lldpd_chassis **, struct lldpd_port **
#define PROTO_GUESS_SIG char *, int

struct lldpd;
struct protocol {
	int		 mode;		/* > 0 mode identifier (unique per protocol) */
	int		 enabled;	/* Is this protocol enabled? */
	char		*name;		/* Name of protocol */
	char		 arg;		/* Argument to enable this protocol */
	int(*send)(PROTO_SEND_SIG);	/* How to send a frame */
	int(*decode)(PROTO_DECODE_SIG); /* How to decode a frame */
	int(*guess)(PROTO_GUESS_SIG);   /* Can be NULL, use MAC address in this case */
	u_int8_t	 mac[ETH_ALEN];  /* Destination MAC address used by this protocol */
	struct sock_filter *filter;	/* BPF filter */
	size_t		 filterlen;	/* Size of BPF filter */
};

struct lldpd {
	int			 g_sock;
	int			 g_delay;

	struct protocol		*g_protocols;
	int			 g_multi; /* Set to 1 if multiple protocols */
	int			 g_probe_time;
	int			 g_listen_vlans;

	time_t			 g_lastsent;
	int			 g_lastrid;
#ifdef USE_SNMP
	int			 g_snmp;
#endif /* USE_SNMP */

	/* Unix socket handling */
	int			 g_ctl;
	TAILQ_HEAD(, lldpd_client) g_clients;

	char			*g_mgmt_pattern;

	struct lldpd_chassis	 g_lchassis;

	TAILQ_HEAD(, lldpd_hardware) g_hardware;
	TAILQ_HEAD(, lldpd_vif)	 g_vif;
};

enum hmsg_type {
	HMSG_NONE,
	HMSG_GET_INTERFACES,
	HMSG_GET_CHASSIS,
	HMSG_GET_PORT,
	HMSG_GET_VLANS,
	HMSG_SHUTDOWN
};

struct hmsg_hdr {
	enum hmsg_type	 type;
	int16_t		 len;
	pid_t		 pid;
} __attribute__ ((__packed__));

struct hmsg {
	struct hmsg_hdr	 hdr;
	void		*data;
} __attribute__ ((__packed__));

#define HMSG_HEADER_SIZE	sizeof(struct hmsg_hdr)
#define MAX_HMSGSIZE		8192

/* lldpd.c */
void	 lldpd_cleanup(struct lldpd *);
void	 lldpd_vlan_cleanup(struct lldpd_port *);
void	 lldpd_remote_cleanup(struct lldpd *, struct lldpd_hardware *, int);
void	 lldpd_port_cleanup(struct lldpd_port *);
void	 lldpd_chassis_cleanup(struct lldpd_chassis *);

/* lldp.c */
int	 lldp_send(PROTO_SEND_SIG);
int	 lldp_decode(PROTO_DECODE_SIG);

/* cdp.c */
int	 cdpv1_send(PROTO_SEND_SIG);
int	 cdpv2_send(PROTO_SEND_SIG);
int	 fdp_send(PROTO_SEND_SIG);
int	 cdp_decode(PROTO_DECODE_SIG);
int	 cdpv1_guess(PROTO_GUESS_SIG);
int	 cdpv2_guess(PROTO_GUESS_SIG);

/* sonmp.c */
int	 sonmp_send(PROTO_SEND_SIG);
int	 sonmp_decode(PROTO_DECODE_SIG);

/* edp.c */
int	 edp_send(PROTO_SEND_SIG);
int	 edp_decode(PROTO_DECODE_SIG);

/* ctl.c */
int	 ctl_create(char *);
int	 ctl_connect(char *);
void	 ctl_cleanup(char *);
int	 ctl_accept(struct lldpd *, int);
int	 ctl_close(struct lldpd *, int);
void	 ctl_msg_init(struct hmsg *, enum hmsg_type);
int	 ctl_msg_send(int, struct hmsg *);
int	 ctl_msg_recv(int, struct hmsg *);
int	 ctl_msg_pack_list(char *, void *, unsigned int, struct hmsg *, void **);
int	 ctl_msg_unpack_list(char *, void *, unsigned int, struct hmsg *, void **);
int	 ctl_msg_pack_structure(char *, void *, unsigned int, struct hmsg *, void **);
int	 ctl_msg_unpack_structure(char *, void *, unsigned int, struct hmsg *, void **);

/* features.c */
int	 iface_is_bridge(struct lldpd *, const char *);
int	 iface_is_bridged(struct lldpd *, const char *);
int	 iface_is_wireless(struct lldpd *, const char *);
int	 iface_is_vlan(struct lldpd *, const char *);
int	 iface_is_bond(struct lldpd *, const char *);
int	 iface_is_bond_slave(struct lldpd *,
	    const char *, const char *);
int	 iface_is_enslaved(struct lldpd *, const char *);

/* log.c */
void             log_init(int);
void             log_warn(const char *, ...);
#define LLOG_WARN(x,...) log_warn("%s: " x, __FUNCTION__, ##__VA_ARGS__)
void             log_warnx(const char *, ...);
#define LLOG_WARNX(x,...) log_warnx("%s: " x,  __FUNCTION__, ##__VA_ARGS__)
void             log_info(const char *, ...);
#define LLOG_INFO(x,...) log_info("%s: " x, __FUNCTION__, ##__VA_ARGS__)
void             log_debug(const char *, ...);
#define LLOG_DEBUG(x,...) log_debug("%s: " x, __FUNCTION__, ##__VA_ARGS__)
void             fatal(const char *);
void             fatalx(const char *);

/* agent.c */
void		 agent_shutdown();
void		 agent_init(struct lldpd *, int);

/* strlcpy.c */
size_t	strlcpy(char *, const char *, size_t);

/* iov.c */
void		 iov_dump(struct lldpd_frame **, struct iovec *, int);
u_int16_t	 iov_checksum(struct iovec *, int, int);

/* client.c */
struct client_handle {
	enum hmsg_type type;
	void (*handle)(struct lldpd*, struct hmsg*, struct hmsg*);
};

void	 client_handle_client(struct lldpd *, struct lldpd_client *,
	    char *, int);
void	 client_handle_none(struct lldpd *, struct hmsg *,
	    struct hmsg *);
void	 client_handle_get_interfaces(struct lldpd *, struct hmsg *,
	    struct hmsg *);
void	 client_handle_get_port_related(struct lldpd *, struct hmsg *,
	    struct hmsg *);
void	 client_handle_shutdown(struct lldpd *, struct hmsg *,
	    struct hmsg *);

/* priv.c */
void	 priv_init();
void	 priv_fork();
int 	 priv_ctl_create();
void	 priv_ctl_cleanup();
char   	*priv_gethostbyname();
int    	 priv_open(char*);
int    	 priv_ethtool(char*, struct ethtool_cmd*);
int    	 priv_iface_init(struct lldpd_hardware *, int);
int	 priv_iface_multicast(char *, u_int8_t *, int);

/* privsep_fdpass.c */
int	 receive_fd(int);
void	 send_fd(int, int);

#endif /* _LLDPD_H */
Commit	Line	Data
43c02e7b VB	1	/*
	2	* Copyright (c) 2008 Vincent Bernat <bernat@luffy.cx>
	3	*
	4	* Permission to use, copy, modify, and distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	11	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	13	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	14	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
	17	#ifndef _LLDPD_H
	18	#define _LLDPD_H
	19
	20	#if HAVE_CONFIG_H
	21	#include <config.h>
	22	#endif
	23
	24	#define _GNU_SOURCE 1
	25	#include <stdlib.h>
	26	#include <string.h>
	27	#include <sys/queue.h>
	28	#ifndef INCLUDE_LINUX_IF_H
	29	#include <net/if.h>
	30	#else
	31	#include <arpa/inet.h>
	32	#include <linux/if.h>
	33	#endif
	34	#include <net/ethernet.h>
	35	#include <netinet/in.h>
4afe659e	36	#include <linux/ethtool.h>
43c02e7b VB	37
	38	#include "compat.h"
	39	#include "lldp.h"
	40	#include "cdp.h"
	41	#include "sonmp.h"
	42	#include "edp.h"
	43
	44	#define LLDPD_TTL 120
	45	#define LLDPD_TX_DELAY 30
	46	#define LLDPD_TX_MSGDELAY 1
	47	#define LLDPD_CTL_SOCKET "/var/run/lldpd.socket"
	48	#define LLDPD_PID_FILE "/var/run/lldpd.pid"
	49
	50	#define UNIX_PATH_MAX 108
	51
	52	#define USING_AGENTX_SUBAGENT_MODULE 1
	53
	54	struct lldpd_vlan {
	55	TAILQ_ENTRY(lldpd_vlan) v_entries;
	56	char *v_name;
	57	u_int16_t v_vid;
	58	};
	59	#define STRUCT_LLDPD_VLAN "Lsw"
	60
	61	struct lldpd_chassis {
	62	u_int8_t c_id_subtype;
	63	char *c_id;
	64	int c_id_len;
	65	char *c_name;
	66	char *c_descr;
	67
	68	u_int16_t c_cap_available;
	69	u_int16_t c_cap_enabled;
	70
	71	u_int16_t c_ttl;
	72
	73	struct in_addr c_mgmt;
	74	u_int32_t c_mgmt_if;
	75	};
	76	#define STRUCT_LLDPD_CHASSIS "bCsswwwll"
	77
	78	struct lldpd_port {
	79	u_int8_t p_id_subtype;
	80	char *p_id;
	81	int p_id_len;
	82	char *p_descr;
	83
	84	/* Dot3 stuff */
	85	u_int32_t p_aggregid;
	86	u_int8_t p_autoneg_support;
	87	u_int8_t p_autoneg_enabled;
	88	u_int16_t p_autoneg_advertised;
	89	u_int16_t p_mau_type;
	90
	91	TAILQ_HEAD(, lldpd_vlan) p_vlans;
	92	};
	93	#define STRUCT_LLDPD_PORT "bCslbbwwPP"
	94
	95	struct lldpd_frame {
	96	int size;
	97	unsigned char frame[];
	98	};
	99
	100	struct lldpd_hardware {
101	TAILQ_ENTRY(lldpd_hardware) h_entries;
102
103	#define INTERFACE_OPENED(x) ((x)->h_raw != -1)
104
105	int h_raw;
106	int h_raw_real; /* For bonding */
107	int h_master; /* For bonding */
108
109	#define LLDPD_MODE_ANY 0
110	#define LLDPD_MODE_LLDP 1
111	#define LLDPD_MODE_CDPV1 2
112	#define LLDPD_MODE_CDPV2 3
113	#define LLDPD_MODE_SONMP 4
114	#define LLDPD_MODE_EDP 5
031118c4	115	#define LLDPD_MODE_FDP 6
43c02e7b VB	116	int h_mode;
	117
	118	int h_flags;
	119	int h_mtu;
	120	char h_ifname[IFNAMSIZ];
	121	u_int8_t h_lladdr[ETHER_ADDR_LEN];
	122
	123	u_int64_t h_tx_cnt;
	124	u_int64_t h_rx_cnt;
	125	u_int64_t h_rx_discarded_cnt;
	126	u_int64_t h_rx_ageout_cnt;
37387046	127	u_int64_t h_rx_unrecognized_cnt;
43c02e7b VB	128
	129	u_int8_t *h_proto_macs;
	130	time_t h_start_probe;
	131
	132	struct lldpd_port h_lport;
	133	time_t h_llastchange;
	134	struct lldpd_frame *h_llastframe;
	135
	136	time_t h_rlastchange;
	137	time_t h_rlastupdate;
	138	int h_rid;
	139	struct lldpd_frame *h_rlastframe;
	140	struct lldpd_port *h_rport;
	141	struct lldpd_chassis *h_rchassis;
	142	};
	143
50a89ca7 VB	144	/* lldpd_vif can be casted to lldpd_hardware on some cases */
	145	struct lldpd_vif {
	146	TAILQ_ENTRY(lldpd_vif) vif_entries;
	147	int vif_raw;
	148	int vif_raw_real; /* Not used */
	149	int vif_master; /* Not used */
	150	int vif_mode; /* Not used */
	151	int vif_flags;
	152	int vif_mtu;
	153	char vif_ifname[IFNAMSIZ];
	154
	155	/* No more compatibility with struct lldpd_hardware from here */
	156	struct lldpd_hardware *vif_real;
	157	};
	158
43c02e7b VB	159	struct lldpd_interface {
	160	TAILQ_ENTRY(lldpd_interface) next;
	161	char *name;
	162	};
	163	#define STRUCT_LLDPD_INTERFACE "Ls"
	164
	165	struct lldpd_client {
	166	TAILQ_ENTRY(lldpd_client) next;
	167	int fd;
	168	};
	169
	170	#define PROTO_SEND_SIG struct lldpd , struct lldpd_chassis , struct lldpd_hardware *
	171	#define PROTO_DECODE_SIG struct lldpd , char , int, struct lldpd_hardware , struct lldpd_chassis , struct lldpd_port *
	172	#define PROTO_GUESS_SIG char *, int
	173
	174	struct lldpd;
	175	struct protocol {
	176	int mode; /* > 0 mode identifier (unique per protocol) */
	177	int enabled; /* Is this protocol enabled? */
	178	char name; / Name of protocol */
	179	char arg; /* Argument to enable this protocol */
	180	int(send)(PROTO_SEND_SIG); / How to send a frame */
	181	int(decode)(PROTO_DECODE_SIG); / How to decode a frame */
	182	int(guess)(PROTO_GUESS_SIG); / Can be NULL, use MAC address in this case */
	183	u_int8_t mac[ETH_ALEN]; /* Destination MAC address used by this protocol */
	184	struct sock_filter filter; / BPF filter */
	185	size_t filterlen; /* Size of BPF filter */
	186	};
	187
	188	struct lldpd {
	189	int g_sock;
	190	int g_delay;
	191
	192	struct protocol *g_protocols;
	193	int g_multi; /* Set to 1 if multiple protocols */
	194	int g_probe_time;
766f32b3	195	int g_listen_vlans;
43c02e7b VB	196
	197	time_t g_lastsent;
	198	int g_lastrid;
	199	#ifdef USE_SNMP
	200	int g_snmp;
	201	#endif /* USE_SNMP */
	202
	203	/* Unix socket handling */
	204	int g_ctl;
	205	TAILQ_HEAD(, lldpd_client) g_clients;
	206
	207	char *g_mgmt_pattern;
	208
	209	struct lldpd_chassis g_lchassis;
	210
	211	TAILQ_HEAD(, lldpd_hardware) g_hardware;
50a89ca7	212	TAILQ_HEAD(, lldpd_vif) g_vif;
43c02e7b VB	213	};
	214
	215	enum hmsg_type {
	216	HMSG_NONE,
	217	HMSG_GET_INTERFACES,
	218	HMSG_GET_CHASSIS,
	219	HMSG_GET_PORT,
	220	HMSG_GET_VLANS,
	221	HMSG_SHUTDOWN
	222	};
	223
	224	struct hmsg_hdr {
	225	enum hmsg_type type;
	226	int16_t len;
	227	pid_t pid;
	228	} __attribute__ ((__packed__));
	229
	230	struct hmsg {
	231	struct hmsg_hdr hdr;
	232	void *data;
	233	} __attribute__ ((__packed__));
	234
	235	#define HMSG_HEADER_SIZE sizeof(struct hmsg_hdr)
	236	#define MAX_HMSGSIZE 8192
	237
	238	/* lldpd.c */
	239	void lldpd_cleanup(struct lldpd *);
	240	void lldpd_vlan_cleanup(struct lldpd_port *);
	241	void lldpd_remote_cleanup(struct lldpd , struct lldpd_hardware , int);
	242	void lldpd_port_cleanup(struct lldpd_port *);
	243	void lldpd_chassis_cleanup(struct lldpd_chassis *);
	244
	245	/* lldp.c */
	246	int lldp_send(PROTO_SEND_SIG);
	247	int lldp_decode(PROTO_DECODE_SIG);
	248
	249	/* cdp.c */
	250	int cdpv1_send(PROTO_SEND_SIG);
	251	int cdpv2_send(PROTO_SEND_SIG);
031118c4	252	int fdp_send(PROTO_SEND_SIG);
43c02e7b VB	253	int cdp_decode(PROTO_DECODE_SIG);
	254	int cdpv1_guess(PROTO_GUESS_SIG);
	255	int cdpv2_guess(PROTO_GUESS_SIG);
	256
	257	/* sonmp.c */
	258	int sonmp_send(PROTO_SEND_SIG);
	259	int sonmp_decode(PROTO_DECODE_SIG);
	260
	261	/* edp.c */
	262	int edp_send(PROTO_SEND_SIG);
	263	int edp_decode(PROTO_DECODE_SIG);
	264
	265	/* ctl.c */
b5562b23	266	int ctl_create(char *);
43c02e7b	267	int ctl_connect(char *);
b5562b23	268	void ctl_cleanup(char *);
43c02e7b VB	269	int ctl_accept(struct lldpd *, int);
	270	int ctl_close(struct lldpd *, int);
	271	void ctl_msg_init(struct hmsg *, enum hmsg_type);
	272	int ctl_msg_send(int, struct hmsg *);
	273	int ctl_msg_recv(int, struct hmsg *);
	274	int ctl_msg_pack_list(char , void , unsigned int, struct hmsg , void *);
	275	int ctl_msg_unpack_list(char , void , unsigned int, struct hmsg , void *);
	276	int ctl_msg_pack_structure(char , void , unsigned int, struct hmsg , void *);
	277	int ctl_msg_unpack_structure(char , void , unsigned int, struct hmsg , void *);
	278
	279	/* features.c */
	280	int iface_is_bridge(struct lldpd , const char );
	281	int iface_is_bridged(struct lldpd , const char );
	282	int iface_is_wireless(struct lldpd , const char );
	283	int iface_is_vlan(struct lldpd , const char );
	284	int iface_is_bond(struct lldpd , const char );
	285	int iface_is_bond_slave(struct lldpd *,
	286	const char , const char );
	287	int iface_is_enslaved(struct lldpd , const char );
	288
	289	/* log.c */
	290	void log_init(int);
	291	void log_warn(const char *, ...);
	292	#define LLOG_WARN(x,...) log_warn("%s: " x, __FUNCTION__, ##__VA_ARGS__)
	293	void log_warnx(const char *, ...);
	294	#define LLOG_WARNX(x,...) log_warnx("%s: " x, __FUNCTION__, ##__VA_ARGS__)
	295	void log_info(const char *, ...);
	296	#define LLOG_INFO(x,...) log_info("%s: " x, __FUNCTION__, ##__VA_ARGS__)
	297	void log_debug(const char *, ...);
	298	#define LLOG_DEBUG(x,...) log_debug("%s: " x, __FUNCTION__, ##__VA_ARGS__)
	299	void fatal(const char *);
	300	void fatalx(const char *);
	301
	302	/* agent.c */
	303	void agent_shutdown();
	304	void agent_init(struct lldpd *, int);
	305
	306	/* strlcpy.c */
	307	size_t strlcpy(char , const char , size_t);
	308
	309	/* iov.c */
	310	void iov_dump(struct lldpd_frame *, struct iovec , int);
	311	u_int16_t iov_checksum(struct iovec *, int, int);
	312
a552a72e VB	313	/* client.c */
	314	struct client_handle {
	315	enum hmsg_type type;
	316	void (handle)(struct lldpd, struct hmsg, struct hmsg);
	317	};
	318
	319	void client_handle_client(struct lldpd , struct lldpd_client ,
	320	char *, int);
	321	void client_handle_none(struct lldpd , struct hmsg ,
	322	struct hmsg *);
	323	void client_handle_get_interfaces(struct lldpd , struct hmsg ,
	324	struct hmsg *);
	325	void client_handle_get_port_related(struct lldpd , struct hmsg ,
	326	struct hmsg *);
	327	void client_handle_shutdown(struct lldpd , struct hmsg ,
	328	struct hmsg *);
	329
b5562b23	330	/* priv.c */
a7502371 VB	331	void priv_init();
	332	void priv_fork();
	333	int priv_ctl_create();
	334	void priv_ctl_cleanup();
	335	char *priv_gethostbyname();
	336	int priv_open(char*);
	337	int priv_ethtool(char, struct ethtool_cmd);
	338	int priv_iface_init(struct lldpd_hardware *, int);
	339	int priv_iface_multicast(char , u_int8_t , int);
4afe659e VB	340
	341	/* privsep_fdpass.c */
	342	int receive_fd(int);
	343	void send_fd(int, int);
b5562b23	344
43c02e7b	345	#endif /* _LLDPD_H */