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

/*
 * Copyright (c) 2008 Vincent Bernat <bernat@luffy.cx>
 *
 * Permission to use, copy, modify, and/or 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>
#ifdef HAVE_SYS_TYPES_H
#  include <sys/types.h>
#endif
#ifndef INCLUDE_LINUX_IF_H
#  include <net/if.h>
#else
#  include <arpa/inet.h>
#  include <linux/if.h>
#endif
#if HAVE_GETIFADDRS
#  include <ifaddrs.h>
#endif
#include <net/ethernet.h>
#include <netinet/in.h>
#include <linux/ethtool.h>
#include <sys/un.h>

#include "compat.h"
#include "lldp.h"
#if defined (ENABLE_CDP) || defined (ENABLE_FDP)
#  include "cdp.h"
#endif
#ifdef ENABLE_SONMP
#  include "sonmp.h"
#endif
#ifdef ENABLE_EDP
#  include "edp.h"
#endif

#define SYSFS_CLASS_NET "/sys/class/net/"
#define SYSFS_CLASS_DMI "/sys/class/dmi/id/"
#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

#ifdef ENABLE_DOT1
#define LLDPD_PPVID_CAP_SUPPORTED		(1 << 1)
#define LLDPD_PPVID_CAP_ENABLED			(1 << 2)

struct lldpd_ppvid {
	TAILQ_ENTRY(lldpd_ppvid) p_entries;
	u_int8_t		p_cap_status;
	u_int16_t		p_ppvid;
};
#define STRUCT_LLDPD_PPVID "(Lbw)"

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

struct lldpd_pi {
	TAILQ_ENTRY(lldpd_pi)  p_entries;
	char			*p_pi;
	int			 p_pi_len;
};
#define STRUCT_LLDPD_PI "(LC)"
#endif

#ifdef ENABLE_LLDPMED
#define STRUCT_LLDPD_MED_POLICY "(bbbwbb)"
struct lldpd_med_policy {
	u_int8_t		 type;
	u_int8_t		 unknown;
	u_int8_t		 tagged;
	u_int16_t		 vid;
	u_int8_t		 priority;
	u_int8_t		 dscp;
};

#define STRUCT_LLDPD_MED_LOC "(bC)"
struct lldpd_med_loc {
	u_int8_t		 format;
	char			*data;
	int			 data_len;
};

#define STRUCT_LLDPD_MED_POWER "(bbbw)"
struct lldpd_med_power {
	u_int8_t		 devicetype; /* PD or PSE */
	u_int8_t		 source;
	u_int8_t		 priority;
	u_int16_t		 val;
};
#endif

#ifdef ENABLE_DOT3
#define STRUCT_LLDPD_DOT3_MACPHY "(bbww)"
struct lldpd_dot3_macphy {
	u_int8_t		 autoneg_support;
	u_int8_t		 autoneg_enabled;
	u_int16_t		 autoneg_advertised;
	u_int16_t		 mau_type;
};

#define STRUCT_LLDPD_DOT3_POWER "(bbbbbbbbbww)"
struct lldpd_dot3_power {
	u_int8_t		devicetype;
	u_int8_t		supported;
	u_int8_t		enabled;
	u_int8_t		paircontrol;
	u_int8_t		pairs;
	u_int8_t		class;
	u_int8_t		powertype; /* If set to LLDP_DOT3_POWER_8023AT_OFF,
					      following fields have no meaning */
	u_int8_t		source;
	u_int8_t		priority;
	u_int16_t		requested;
	u_int16_t		allocated;
};
#endif

struct lldpd_chassis {
	TAILQ_ENTRY(lldpd_chassis) c_entries;
	u_int16_t		 c_refcount; /* Reference count by ports */
	u_int16_t		 c_index;    /* Monotonic index */
	u_int8_t		 c_protocol; /* Protocol used to get this 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;

#ifdef ENABLE_LLDPMED
#define STRUCT_LLDPD_CHASSIS_MED "wbsssssss"
	u_int16_t		 c_med_cap_available;
	u_int8_t		 c_med_type;
	char			*c_med_hw;
	char			*c_med_fw;
	char			*c_med_sw;
	char			*c_med_sn;
	char			*c_med_manuf;
	char			*c_med_model;
	char			*c_med_asset;
#else
#define STRUCT_LLDPD_CHASSIS_MED ""
#endif

};
#define STRUCT_LLDPD_CHASSIS "(LwwbbCsswwwll" STRUCT_LLDPD_CHASSIS_MED ")"

struct lldpd_port {
	TAILQ_ENTRY(lldpd_port)	 p_entries;
	struct lldpd_chassis	*p_chassis;    /* Attached chassis */
	time_t			 p_lastchange; /* Time of last change of values */
	time_t			 p_lastupdate; /* Time of last update received */
	struct lldpd_frame	*p_lastframe;  /* Frame received during last update */
	u_int8_t		 p_protocol;   /* Protocol used to get this port */
	u_int8_t		 p_id_subtype;
	char			*p_id;
	int			 p_id_len;
	char			*p_descr;
	u_int16_t		 p_mfs;
	u_int8_t		 p_hidden_in:1; /* Considered as hidden for reception */
	u_int8_t		 p_hidden_out:2; /* Considered as hidden for emission */

#ifdef ENABLE_DOT3
#define STRUCT_LLDPD_PORT_DOT3 "l" STRUCT_LLDPD_DOT3_MACPHY STRUCT_LLDPD_DOT3_POWER
	/* Dot3 stuff */
	u_int32_t		 p_aggregid;
	struct lldpd_dot3_macphy p_macphy;
	struct lldpd_dot3_power	 p_power;
#else
#define STRUCT_LLDPD_PORT_DOT3 ""
#endif

#ifdef ENABLE_LLDPMED
#define STRUCT_LLDPD_PORT_MED "w"      \
	STRUCT_LLDPD_MED_POLICY	       \
	STRUCT_LLDPD_MED_POLICY	       \
	STRUCT_LLDPD_MED_POLICY	       \
	STRUCT_LLDPD_MED_POLICY	       \
	STRUCT_LLDPD_MED_POLICY	       \
	STRUCT_LLDPD_MED_POLICY	       \
	STRUCT_LLDPD_MED_POLICY	       \
	STRUCT_LLDPD_MED_POLICY	       \
	STRUCT_LLDPD_MED_LOC	       \
	STRUCT_LLDPD_MED_LOC	       \
	STRUCT_LLDPD_MED_LOC	       \
	STRUCT_LLDPD_MED_POWER
	u_int16_t		 p_med_cap_enabled;
	struct lldpd_med_policy	 p_med_policy[LLDPMED_APPTYPE_LAST];
	struct lldpd_med_loc	 p_med_location[LLDPMED_LOCFORMAT_LAST];
	struct lldpd_med_power	 p_med_power;
#else
#define STRUCT_LLDPD_PORT_MED ""
#endif

#ifdef ENABLE_DOT1
#define STRUCT_LLDPD_PORT_DOT1 "wPPPPPP"
	u_int16_t		 p_pvid;
	TAILQ_HEAD(, lldpd_vlan) p_vlans;
	TAILQ_HEAD(, lldpd_ppvid) p_ppvids;
	TAILQ_HEAD(, lldpd_pi)	  p_pids;
#else
#define STRUCT_LLDPD_PORT_DOT1 ""
#endif
};

#define STRUCT_LLDPD_PORT "(LPttPbbCswb"				\
	STRUCT_LLDPD_PORT_DOT3					\
	STRUCT_LLDPD_PORT_MED					\
	STRUCT_LLDPD_PORT_DOT1 ")"

struct lldpd_frame {
	int size;
	unsigned char frame[1];
};

struct lldpd_hardware;
struct lldpd;
struct lldpd_ops {
	int(*send)(struct lldpd *,
		   struct lldpd_hardware*,
		   char *, size_t); /* Function to send a frame */
	int(*recv)(struct lldpd *,
		   struct lldpd_hardware*,
		   int, char *, size_t); /* Function to receive a frame */
	int(*cleanup)(struct lldpd *, struct lldpd_hardware *); /* Cleanup function. */
};

/* An interface is uniquely identified by h_ifindex, h_ifname and h_ops. This
 * means if an interface becomes enslaved, it will be considered as a new
 * interface. The same applies for renaming and we include the index in case of
 * renaming to an existing interface. */
struct lldpd_hardware {
	TAILQ_ENTRY(lldpd_hardware)	 h_entries;

	fd_set			 h_recvfds; /* FD for reception */
	int			 h_sendfd;  /* FD for sending, only used by h_ops */
	struct lldpd_ops	*h_ops;	    /* Hardware-dependent functions */
	void			*h_data;    /* Hardware-dependent data */

	int			 h_mtu;
	int			 h_flags; /* Packets will be sent only
					     if IFF_RUNNING. Will be
					     removed if this is left
					     to 0. */
	int			 h_ifindex; /* Interface index, used by SNMP */
	char			 h_ifname[IFNAMSIZ]; /* Should be unique */
	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;

	struct lldpd_port	 h_lport;  /* Port attached to this hardware port */
	TAILQ_HEAD(, lldpd_port) h_rports; /* Remote ports */
};

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

#define PROTO_SEND_SIG struct lldpd *, 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 protocol {
#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
#define LLDPD_MODE_MAX LLDPD_MODE_FDP
	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 */
};

/* Smart mode / Hide mode */
#define SMART_INCOMING_FILTER		(1<<0) /* Incoming filtering enabled */
#define SMART_INCOMING_ONE_PROTO	(1<<1) /* On reception, keep only one proto */
#define SMART_INCOMING_ONE_NEIGH	(1<<2) /* On reception, keep only one neighbor */
#define SMART_OUTGOING_FILTER		(1<<3) /* Outgoing filtering enabled */
#define SMART_OUTGOING_ONE_PROTO	(1<<4) /* On emission, keep only one proto */
#define SMART_OUTGOING_ONE_NEIGH	(1<<5) /* On emission, consider only one neighbor */
#define SMART_INCOMING (SMART_INCOMING_FILTER |    \
			 SMART_INCOMING_ONE_PROTO | \
			 SMART_INCOMING_ONE_NEIGH)
#define SMART_OUTGOING (SMART_OUTGOING_FILTER |		\
			SMART_OUTGOING_ONE_PROTO |	\
			SMART_OUTGOING_ONE_NEIGH)
#define SMART_HIDDEN(cfg, port) ((cfg->g_smart & SMART_INCOMING_FILTER) && port->p_hidden_in)


#define CALLBACK_SIG struct lldpd*, struct lldpd_callback*
struct lldpd_callback {
	TAILQ_ENTRY(lldpd_callback) next;
	int	 fd;	      /* FD that will trigger this callback */
	void(*function)(CALLBACK_SIG); /* Function called */
	void	*data;		/* Optional data for this callback*/
};

struct lldpd {
	int			 g_sock;
	int			 g_delay;

	struct protocol		*g_protocols;
	time_t			 g_lastsent;
	int			 g_lastrid;
	int			 g_smart;
	int			 g_receiveonly;
#ifdef USE_SNMP
	int			 g_snmp;
#endif /* USE_SNMP */

	/* Unix socket handling */
	int			 g_ctl;

	TAILQ_HEAD(, lldpd_callback) g_callbacks;

	char			*g_mgmt_pattern;
	char			*g_interfaces;

        char                    *g_descr_override;
	char			*g_lsb_release;
	int			 g_advertise_version;
#ifdef ENABLE_LLDPMED
	int			 g_noinventory;
#endif

#define LOCAL_CHASSIS(cfg) ((struct lldpd_chassis *)(TAILQ_FIRST(&cfg->g_chassis)))
	TAILQ_HEAD(, lldpd_chassis) g_chassis;
	TAILQ_HEAD(, lldpd_hardware) g_hardware;
};

typedef void(*lldpd_ifhandlers)(struct lldpd *, struct ifaddrs *);

enum hmsg_type {
	HMSG_NONE,
	HMSG_GET_INTERFACES,
	HMSG_GET_NB_PORTS,
	HMSG_GET_PORT,
	HMSG_GET_CHASSIS,
	HMSG_GET_VLANS,
	HMSG_GET_PPVIDS,
	HMSG_GET_PIDS,
	HMSG_SET_LOCATION,
	HMSG_SET_POLICY,
	HMSG_SET_POWER,
	HMSG_SET_DOT3_POWER,
	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 */
struct lldpd_hardware	*lldpd_get_hardware(struct lldpd *,
    char *, int, struct lldpd_ops *);
struct lldpd_hardware	*lldpd_alloc_hardware(struct lldpd *, char *);
void	 lldpd_hardware_cleanup(struct lldpd*, struct lldpd_hardware *);
#ifdef ENABLE_DOT1
void	 lldpd_ppvid_cleanup(struct lldpd_port *);
void	 lldpd_vlan_cleanup(struct lldpd_port *);
void	 lldpd_pi_cleanup(struct lldpd_port *);
#endif
void	 lldpd_remote_cleanup(struct lldpd *, struct lldpd_hardware *, int);
void	 lldpd_port_cleanup(struct lldpd*, struct lldpd_port *, int);
void	 lldpd_chassis_cleanup(struct lldpd_chassis *, int);
int	 lldpd_callback_add(struct lldpd *, int, void(*fn)(CALLBACK_SIG), void *);
void	 lldpd_callback_del(struct lldpd *, int, void(*fn)(CALLBACK_SIG));
int	 lldpd_main(int, char **);

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

/* cdp.c */
#ifdef ENABLE_CDP
int	 cdpv1_send(PROTO_SEND_SIG);
int	 cdpv2_send(PROTO_SEND_SIG);
int	 cdpv1_guess(PROTO_GUESS_SIG);
int	 cdpv2_guess(PROTO_GUESS_SIG);
#endif
#if defined (ENABLE_CDP) || defined (ENABLE_FDP)
int	 cdp_decode(PROTO_DECODE_SIG);
#endif
#ifdef ENABLE_FDP
int	 fdp_send(PROTO_SEND_SIG);
#endif

#ifdef ENABLE_SONMP
/* sonmp.c */
int	 sonmp_send(PROTO_SEND_SIG);
int	 sonmp_decode(PROTO_DECODE_SIG);
#endif

#ifdef ENABLE_EDP
/* edp.c */
int	 edp_send(PROTO_SEND_SIG);
int	 edp_decode(PROTO_DECODE_SIG);
#endif

/* ctl.c */
int	 ctl_create(char *);
int	 ctl_connect(char *);
void	 ctl_cleanup(char *);
void	 ctl_accept(struct lldpd *, struct lldpd_callback *);
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 **);

/* interfaces.c */
void	 lldpd_ifh_whitelist(struct lldpd *, struct ifaddrs *);
void	 lldpd_ifh_bond(struct lldpd *, struct ifaddrs *);
void	 lldpd_ifh_eth(struct lldpd *, struct ifaddrs *);
#ifdef ENABLE_DOT1
void	 lldpd_ifh_vlan(struct lldpd *, struct ifaddrs *);
#endif
void	 lldpd_ifh_mgmt(struct lldpd *, struct ifaddrs *);

/* dmi.c */
#ifdef ENABLE_LLDPMED
char	*dmi_hw(void);
char	*dmi_fw(void);
char	*dmi_sn(void);
char	*dmi_manuf(void);
char	*dmi_model(void);
char	*dmi_asset(void);
#endif

/* log.c */
void             log_init(int, const char *);
void             log_warn(const char *, ...) __attribute__ ((format (printf, 1, 2)));
#define LLOG_WARN(x,...) log_warn("%s: " x, __FUNCTION__ , ## __VA_ARGS__)
void             log_warnx(const char *, ...) __attribute__ ((format (printf, 1, 2)));
#define LLOG_WARNX(x,...) log_warnx("%s: " x,  __FUNCTION__ , ## __VA_ARGS__)
void             log_info(const char *, ...) __attribute__ ((format (printf, 1, 2)));
#define LLOG_INFO(x,...) log_info("%s: " x, __FUNCTION__ , ## __VA_ARGS__)
void             log_debug(const char *, ...) __attribute__ ((format (printf, 1, 2)));
#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);
void		 agent_init(struct lldpd *, char *, int);

/* agent_priv.c */
void		 agent_priv_register_domain(void);

/* 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_callback *,
    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_port_related(struct lldpd *, struct hmsg *,
	    struct hmsg *);
void	 client_handle_shutdown(struct lldpd *, struct hmsg *,
	    struct hmsg *);

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

/* 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	*
51434125	4	* Permission to use, copy, modify, and/or distribute this software for any
43c02e7b VB	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
d38eae28	21	# include <config.h>
43c02e7b VB	22	#endif
	23
	24	#define _GNU_SOURCE 1
	25	#include <stdlib.h>
	26	#include <string.h>
	27	#include <sys/queue.h>
d38eae28 VB	28	#ifdef HAVE_SYS_TYPES_H
	29	# include <sys/types.h>
	30	#endif
43c02e7b	31	#ifndef INCLUDE_LINUX_IF_H
d38eae28	32	# include <net/if.h>
43c02e7b	33	#else
d38eae28 VB	34	# include <arpa/inet.h>
d38eae28 VB	35	# include <linux/if.h>
43c02e7b	36	#endif
b7997528	37	#if HAVE_GETIFADDRS
d38eae28	38	# include <ifaddrs.h>
43c02e7b VB	39	#endif
	40	#include <net/ethernet.h>
	41	#include <netinet/in.h>
4afe659e	42	#include <linux/ethtool.h>
2acc1418	43	#include <sys/un.h>
43c02e7b VB	44
	45	#include "compat.h"
	46	#include "lldp.h"
4bad1937	47	#if defined (ENABLE_CDP) \|\| defined (ENABLE_FDP)
d38eae28	48	# include "cdp.h"
4bad1937 VB	49	#endif
4bad1937 VB	50	#ifdef ENABLE_SONMP
d38eae28	51	# include "sonmp.h"
4bad1937 VB	52	#endif
4bad1937 VB	53	#ifdef ENABLE_EDP
d38eae28	54	# include "edp.h"
4bad1937	55	#endif
43c02e7b	56
89840df0 VB	57	#define SYSFS_CLASS_NET "/sys/class/net/"
89840df0 VB	58	#define SYSFS_CLASS_DMI "/sys/class/dmi/id/"
43c02e7b VB	59	#define LLDPD_TTL 120
	60	#define LLDPD_TX_DELAY 30
	61	#define LLDPD_TX_MSGDELAY 1
	62	#define LLDPD_CTL_SOCKET "/var/run/lldpd.socket"
	63	#define LLDPD_PID_FILE "/var/run/lldpd.pid"
	64
	65	#define UNIX_PATH_MAX 108
	66
	67	#define USING_AGENTX_SUBAGENT_MODULE 1
	68
a1347cd8	69	#ifdef ENABLE_DOT1
48acfcaf VB	70	#define LLDPD_PPVID_CAP_SUPPORTED (1 << 1)
48acfcaf VB	71	#define LLDPD_PPVID_CAP_ENABLED (1 << 2)
9757bfbc SK	72
	73	struct lldpd_ppvid {
	74	TAILQ_ENTRY(lldpd_ppvid) p_entries;
	75	u_int8_t p_cap_status;
	76	u_int16_t p_ppvid;
	77	};
	78	#define STRUCT_LLDPD_PPVID "(Lbw)"
	79
43c02e7b VB	80	struct lldpd_vlan {
	81	TAILQ_ENTRY(lldpd_vlan) v_entries;
	82	char *v_name;
	83	u_int16_t v_vid;
	84	};
0c8f36f3	85	#define STRUCT_LLDPD_VLAN "(Lsw)"
9757bfbc SK	86
	87	struct lldpd_pi {
	88	TAILQ_ENTRY(lldpd_pi) p_entries;
	89	char *p_pi;
48acfcaf	90	int p_pi_len;
9757bfbc	91	};
48acfcaf	92	#define STRUCT_LLDPD_PI "(LC)"
a1347cd8	93	#endif
43c02e7b	94
e3a44efb	95	#ifdef ENABLE_LLDPMED
0c8f36f3	96	#define STRUCT_LLDPD_MED_POLICY "(bbbwbb)"
e3a44efb VB	97	struct lldpd_med_policy {
	98	u_int8_t type;
	99	u_int8_t unknown;
	100	u_int8_t tagged;
	101	u_int16_t vid;
	102	u_int8_t priority;
	103	u_int8_t dscp;
e3a44efb VB	104	};
e3a44efb VB	105
0c8f36f3	106	#define STRUCT_LLDPD_MED_LOC "(bC)"
e3a44efb VB	107	struct lldpd_med_loc {
	108	u_int8_t format;
	109	char *data;
	110	int data_len;
e3a44efb	111	};
6d08df0e VB	112
	113	#define STRUCT_LLDPD_MED_POWER "(bbbw)"
	114	struct lldpd_med_power {
	115	u_int8_t devicetype; /* PD or PSE */
	116	u_int8_t source;
	117	u_int8_t priority;
	118	u_int16_t val;
	119	};
e3a44efb VB	120	#endif
e3a44efb VB	121
3fd015c0 VB	122	#ifdef ENABLE_DOT3
	123	#define STRUCT_LLDPD_DOT3_MACPHY "(bbww)"
	124	struct lldpd_dot3_macphy {
	125	u_int8_t autoneg_support;
	126	u_int8_t autoneg_enabled;
	127	u_int16_t autoneg_advertised;
	128	u_int16_t mau_type;
	129	};
befbdf89	130
608cb51c	131	#define STRUCT_LLDPD_DOT3_POWER "(bbbbbbbbbww)"
befbdf89 VB	132	struct lldpd_dot3_power {
	133	u_int8_t devicetype;
	134	u_int8_t supported;
	135	u_int8_t enabled;
	136	u_int8_t paircontrol;
	137	u_int8_t pairs;
	138	u_int8_t class;
608cb51c VB	139	u_int8_t powertype; /* If set to LLDP_DOT3_POWER_8023AT_OFF,
	140	following fields have no meaning */
	141	u_int8_t source;
	142	u_int8_t priority;
	143	u_int16_t requested;
	144	u_int16_t allocated;
befbdf89	145	};
3fd015c0 VB	146	#endif
3fd015c0 VB	147
43c02e7b	148	struct lldpd_chassis {
75068724 VB	149	TAILQ_ENTRY(lldpd_chassis) c_entries;
	150	u_int16_t c_refcount; /* Reference count by ports */
	151	u_int16_t c_index; /* Monotonic index */
	152	u_int8_t c_protocol; /* Protocol used to get this chassis */
43c02e7b VB	153	u_int8_t c_id_subtype;
	154	char *c_id;
	155	int c_id_len;
	156	char *c_name;
	157	char *c_descr;
	158
	159	u_int16_t c_cap_available;
	160	u_int16_t c_cap_enabled;
	161
	162	u_int16_t c_ttl;
	163
	164	struct in_addr c_mgmt;
	165	u_int32_t c_mgmt_if;
89840df0 VB	166
89840df0 VB	167	#ifdef ENABLE_LLDPMED
34602f3b	168	#define STRUCT_LLDPD_CHASSIS_MED "wbsssssss"
40ecae87	169	u_int16_t c_med_cap_available;
89840df0 VB	170	u_int8_t c_med_type;
	171	char *c_med_hw;
	172	char *c_med_fw;
	173	char *c_med_sw;
	174	char *c_med_sn;
	175	char *c_med_manuf;
	176	char *c_med_model;
	177	char *c_med_asset;
89840df0	178	#else
a1347cd8	179	#define STRUCT_LLDPD_CHASSIS_MED ""
89840df0	180	#endif
1531f7f3 VB	181
1531f7f3 VB	182	};
75068724	183	#define STRUCT_LLDPD_CHASSIS "(LwwbbCsswwwll" STRUCT_LLDPD_CHASSIS_MED ")"
43c02e7b VB	184
43c02e7b VB	185	struct lldpd_port {
75068724 VB	186	TAILQ_ENTRY(lldpd_port) p_entries;
	187	struct lldpd_chassis p_chassis; / Attached chassis */
	188	time_t p_lastchange; /* Time of last change of values */
	189	time_t p_lastupdate; /* Time of last update received */
	190	struct lldpd_frame p_lastframe; / Frame received during last update */
	191	u_int8_t p_protocol; /* Protocol used to get this port */
43c02e7b VB	192	u_int8_t p_id_subtype;
	193	char *p_id;
	194	int p_id_len;
	195	char *p_descr;
548109b2	196	u_int16_t p_mfs;
8482abe9 VB	197	u_int8_t p_hidden_in:1; /* Considered as hidden for reception */
8482abe9 VB	198	u_int8_t p_hidden_out:2; /* Considered as hidden for emission */
43c02e7b	199
a1347cd8	200	#ifdef ENABLE_DOT3
befbdf89	201	#define STRUCT_LLDPD_PORT_DOT3 "l" STRUCT_LLDPD_DOT3_MACPHY STRUCT_LLDPD_DOT3_POWER
43c02e7b VB	202	/* Dot3 stuff */
43c02e7b VB	203	u_int32_t p_aggregid;
3fd015c0	204	struct lldpd_dot3_macphy p_macphy;
befbdf89	205	struct lldpd_dot3_power p_power;
a1347cd8 VB	206	#else
	207	#define STRUCT_LLDPD_PORT_DOT3 ""
	208	#endif
1531f7f3	209
740593ff VB	210	#ifdef ENABLE_LLDPMED
	211	#define STRUCT_LLDPD_PORT_MED "w" \
	212	STRUCT_LLDPD_MED_POLICY \
	213	STRUCT_LLDPD_MED_POLICY \
	214	STRUCT_LLDPD_MED_POLICY \
	215	STRUCT_LLDPD_MED_POLICY \
	216	STRUCT_LLDPD_MED_POLICY \
	217	STRUCT_LLDPD_MED_POLICY \
	218	STRUCT_LLDPD_MED_POLICY \
	219	STRUCT_LLDPD_MED_POLICY \
	220	STRUCT_LLDPD_MED_LOC \
	221	STRUCT_LLDPD_MED_LOC \
	222	STRUCT_LLDPD_MED_LOC \
6d08df0e	223	STRUCT_LLDPD_MED_POWER
740593ff VB	224	u_int16_t p_med_cap_enabled;
	225	struct lldpd_med_policy p_med_policy[LLDPMED_APPTYPE_LAST];
	226	struct lldpd_med_loc p_med_location[LLDPMED_LOCFORMAT_LAST];
6d08df0e	227	struct lldpd_med_power p_med_power;
740593ff VB	228	#else
	229	#define STRUCT_LLDPD_PORT_MED ""
	230	#endif
	231
a1347cd8	232	#ifdef ENABLE_DOT1
48acfcaf	233	#define STRUCT_LLDPD_PORT_DOT1 "wPPPPPP"
75b3469d	234	u_int16_t p_pvid;
1531f7f3	235	TAILQ_HEAD(, lldpd_vlan) p_vlans;
9757bfbc SK	236	TAILQ_HEAD(, lldpd_ppvid) p_ppvids;
9757bfbc SK	237	TAILQ_HEAD(, lldpd_pi) p_pids;
a1347cd8 VB	238	#else
	239	#define STRUCT_LLDPD_PORT_DOT1 ""
	240	#endif
1531f7f3 VB	241	};
1531f7f3 VB	242
42b39485	243	#define STRUCT_LLDPD_PORT "(LPttPbbCswb" \
740593ff VB	244	STRUCT_LLDPD_PORT_DOT3 \
	245	STRUCT_LLDPD_PORT_MED \
	246	STRUCT_LLDPD_PORT_DOT1 ")"
43c02e7b VB	247
	248	struct lldpd_frame {
	249	int size;
b5c7ce8d	250	unsigned char frame[1];
43c02e7b VB	251	};
43c02e7b VB	252
6e75df87 VB	253	struct lldpd_hardware;
	254	struct lldpd;
	255	struct lldpd_ops {
	256	int(send)(struct lldpd ,
	257	struct lldpd_hardware*,
	258	char , size_t); / Function to send a frame */
	259	int(recv)(struct lldpd ,
	260	struct lldpd_hardware*,
	261	int, char , size_t); / Function to receive a frame */
	262	int(cleanup)(struct lldpd , struct lldpd_hardware ); / Cleanup function. */
	263	};
	264
44002d66 VB	265	/* An interface is uniquely identified by h_ifindex, h_ifname and h_ops. This
	266	* means if an interface becomes enslaved, it will be considered as a new
	267	* interface. The same applies for renaming and we include the index in case of
	268	* renaming to an existing interface. */
43c02e7b VB	269	struct lldpd_hardware {
	270	TAILQ_ENTRY(lldpd_hardware) h_entries;
	271
6e75df87 VB	272	fd_set h_recvfds; /* FD for reception */
	273	int h_sendfd; /* FD for sending, only used by h_ops */
	274	struct lldpd_ops h_ops; / Hardware-dependent functions */
	275	void h_data; / Hardware-dependent data */
43c02e7b	276
43c02e7b	277	int h_mtu;
6e75df87 VB	278	int h_flags; /* Packets will be sent only
	279	if IFF_RUNNING. Will be
	280	removed if this is left
	281	to 0. */
	282	int h_ifindex; /* Interface index, used by SNMP */
	283	char h_ifname[IFNAMSIZ]; /* Should be unique */
43c02e7b VB	284	u_int8_t h_lladdr[ETHER_ADDR_LEN];
	285
	286	u_int64_t h_tx_cnt;
	287	u_int64_t h_rx_cnt;
	288	u_int64_t h_rx_discarded_cnt;
	289	u_int64_t h_rx_ageout_cnt;
37387046	290	u_int64_t h_rx_unrecognized_cnt;
43c02e7b	291
75068724 VB	292	struct lldpd_port h_lport; /* Port attached to this hardware port */
75068724 VB	293	TAILQ_HEAD(, lldpd_port) h_rports; /* Remote ports */
43c02e7b VB	294	};
	295
	296	struct lldpd_interface {
	297	TAILQ_ENTRY(lldpd_interface) next;
	298	char *name;
	299	};
0c8f36f3	300	#define STRUCT_LLDPD_INTERFACE "(Ls)"
43c02e7b	301
77507b69	302	#define PROTO_SEND_SIG struct lldpd , struct lldpd_hardware
43c02e7b VB	303	#define PROTO_DECODE_SIG struct lldpd , char , int, struct lldpd_hardware , struct lldpd_chassis , struct lldpd_port *
	304	#define PROTO_GUESS_SIG char *, int
	305
43c02e7b	306	struct protocol {
f2dcb180 VB	307	#define LLDPD_MODE_LLDP 1
	308	#define LLDPD_MODE_CDPV1 2
	309	#define LLDPD_MODE_CDPV2 3
	310	#define LLDPD_MODE_SONMP 4
	311	#define LLDPD_MODE_EDP 5
	312	#define LLDPD_MODE_FDP 6
42b39485	313	#define LLDPD_MODE_MAX LLDPD_MODE_FDP
43c02e7b VB	314	int mode; /* > 0 mode identifier (unique per protocol) */
	315	int enabled; /* Is this protocol enabled? */
	316	char name; / Name of protocol */
	317	char arg; /* Argument to enable this protocol */
	318	int(send)(PROTO_SEND_SIG); / How to send a frame */
	319	int(decode)(PROTO_DECODE_SIG); / How to decode a frame */
	320	int(guess)(PROTO_GUESS_SIG); / Can be NULL, use MAC address in this case */
	321	u_int8_t mac[ETH_ALEN]; /* Destination MAC address used by this protocol */
43c02e7b VB	322	};
43c02e7b VB	323
42b39485	324	/* Smart mode / Hide mode */
8482abe9 VB	325	#define SMART_INCOMING_FILTER (1<<0) /* Incoming filtering enabled */
	326	#define SMART_INCOMING_ONE_PROTO (1<<1) /* On reception, keep only one proto */
	327	#define SMART_INCOMING_ONE_NEIGH (1<<2) /* On reception, keep only one neighbor */
	328	#define SMART_OUTGOING_FILTER (1<<3) /* Outgoing filtering enabled */
	329	#define SMART_OUTGOING_ONE_PROTO (1<<4) /* On emission, keep only one proto */
	330	#define SMART_OUTGOING_ONE_NEIGH (1<<5) /* On emission, consider only one neighbor */
	331	#define SMART_INCOMING (SMART_INCOMING_FILTER \| \
	332	SMART_INCOMING_ONE_PROTO \| \
	333	SMART_INCOMING_ONE_NEIGH)
	334	#define SMART_OUTGOING (SMART_OUTGOING_FILTER \| \
	335	SMART_OUTGOING_ONE_PROTO \| \
	336	SMART_OUTGOING_ONE_NEIGH)
	337	#define SMART_HIDDEN(cfg, port) ((cfg->g_smart & SMART_INCOMING_FILTER) && port->p_hidden_in)
42b39485 VB	338
42b39485 VB	339
77d7090e VB	340	#define CALLBACK_SIG struct lldpd, struct lldpd_callback
	341	struct lldpd_callback {
	342	TAILQ_ENTRY(lldpd_callback) next;
	343	int fd; /* FD that will trigger this callback */
	344	void(function)(CALLBACK_SIG); / Function called */
	345	void data; / Optional data for this callback*/
	346	};
	347
43c02e7b VB	348	struct lldpd {
	349	int g_sock;
	350	int g_delay;
	351
	352	struct protocol *g_protocols;
43c02e7b VB	353	time_t g_lastsent;
43c02e7b VB	354	int g_lastrid;
42b39485	355	int g_smart;
537a8043	356	int g_receiveonly;
43c02e7b VB	357	#ifdef USE_SNMP
	358	int g_snmp;
	359	#endif /* USE_SNMP */
	360
	361	/* Unix socket handling */
	362	int g_ctl;
77d7090e VB	363
77d7090e VB	364	TAILQ_HEAD(, lldpd_callback) g_callbacks;
43c02e7b VB	365
43c02e7b VB	366	char *g_mgmt_pattern;
ba85f9f4	367	char *g_interfaces;
43c02e7b	368
40ce835b	369	char *g_descr_override;
c036b15d	370	char *g_lsb_release;
abcbb820 VB	371	int g_advertise_version;
	372	#ifdef ENABLE_LLDPMED
	373	int g_noinventory;
	374	#endif
40ce835b	375
77507b69	376	#define LOCAL_CHASSIS(cfg) ((struct lldpd_chassis *)(TAILQ_FIRST(&cfg->g_chassis)))
75068724	377	TAILQ_HEAD(, lldpd_chassis) g_chassis;
43c02e7b VB	378	TAILQ_HEAD(, lldpd_hardware) g_hardware;
	379	};
	380
6e75df87 VB	381	typedef void(lldpd_ifhandlers)(struct lldpd , struct ifaddrs *);
6e75df87 VB	382
43c02e7b VB	383	enum hmsg_type {
	384	HMSG_NONE,
	385	HMSG_GET_INTERFACES,
84853b92	386	HMSG_GET_NB_PORTS,
43c02e7b	387	HMSG_GET_PORT,
84853b92	388	HMSG_GET_CHASSIS,
43c02e7b	389	HMSG_GET_VLANS,
9757bfbc SK	390	HMSG_GET_PPVIDS,
9757bfbc SK	391	HMSG_GET_PIDS,
740593ff	392	HMSG_SET_LOCATION,
86f24df3	393	HMSG_SET_POLICY,
009ddd23	394	HMSG_SET_POWER,
42ee7382	395	HMSG_SET_DOT3_POWER,
43c02e7b VB	396	HMSG_SHUTDOWN
	397	};
	398
	399	struct hmsg_hdr {
	400	enum hmsg_type type;
	401	int16_t len;
	402	pid_t pid;
	403	} __attribute__ ((__packed__));
	404
	405	struct hmsg {
	406	struct hmsg_hdr hdr;
	407	void *data;
	408	} __attribute__ ((__packed__));
	409
	410	#define HMSG_HEADER_SIZE sizeof(struct hmsg_hdr)
	411	#define MAX_HMSGSIZE 8192
	412
	413	/* lldpd.c */
44002d66 VB	414	struct lldpd_hardware lldpd_get_hardware(struct lldpd ,
44002d66 VB	415	char , int, struct lldpd_ops );
6e75df87 VB	416	struct lldpd_hardware lldpd_alloc_hardware(struct lldpd , char *);
6e75df87 VB	417	void lldpd_hardware_cleanup(struct lldpd, struct lldpd_hardware );
a1347cd8	418	#ifdef ENABLE_DOT1
9757bfbc	419	void lldpd_ppvid_cleanup(struct lldpd_port *);
43c02e7b	420	void lldpd_vlan_cleanup(struct lldpd_port *);
9757bfbc	421	void lldpd_pi_cleanup(struct lldpd_port *);
a1347cd8	422	#endif
43c02e7b	423	void lldpd_remote_cleanup(struct lldpd , struct lldpd_hardware , int);
9898ac07	424	void lldpd_port_cleanup(struct lldpd, struct lldpd_port , int);
77507b69	425	void lldpd_chassis_cleanup(struct lldpd_chassis *, int);
77d7090e VB	426	int lldpd_callback_add(struct lldpd , int, void(fn)(CALLBACK_SIG), void *);
77d7090e VB	427	void lldpd_callback_del(struct lldpd , int, void(fn)(CALLBACK_SIG));
2acc1418	428	int lldpd_main(int, char **);
43c02e7b VB	429
	430	/* lldp.c */
	431	int lldp_send(PROTO_SEND_SIG);
	432	int lldp_decode(PROTO_DECODE_SIG);
	433
	434	/* cdp.c */
4bad1937	435	#ifdef ENABLE_CDP
43c02e7b VB	436	int cdpv1_send(PROTO_SEND_SIG);
43c02e7b VB	437	int cdpv2_send(PROTO_SEND_SIG);
43c02e7b VB	438	int cdpv1_guess(PROTO_GUESS_SIG);
43c02e7b VB	439	int cdpv2_guess(PROTO_GUESS_SIG);
4bad1937 VB	440	#endif
	441	#if defined (ENABLE_CDP) \|\| defined (ENABLE_FDP)
	442	int cdp_decode(PROTO_DECODE_SIG);
	443	#endif
	444	#ifdef ENABLE_FDP
	445	int fdp_send(PROTO_SEND_SIG);
	446	#endif
43c02e7b	447
4bad1937	448	#ifdef ENABLE_SONMP
43c02e7b VB	449	/* sonmp.c */
	450	int sonmp_send(PROTO_SEND_SIG);
	451	int sonmp_decode(PROTO_DECODE_SIG);
4bad1937	452	#endif
43c02e7b	453
4bad1937	454	#ifdef ENABLE_EDP
43c02e7b VB	455	/* edp.c */
	456	int edp_send(PROTO_SEND_SIG);
	457	int edp_decode(PROTO_DECODE_SIG);
4bad1937	458	#endif
43c02e7b VB	459
43c02e7b VB	460	/* ctl.c */
b5562b23	461	int ctl_create(char *);
43c02e7b	462	int ctl_connect(char *);
b5562b23	463	void ctl_cleanup(char *);
77d7090e	464	void ctl_accept(struct lldpd , struct lldpd_callback );
43c02e7b VB	465	void ctl_msg_init(struct hmsg *, enum hmsg_type);
	466	int ctl_msg_send(int, struct hmsg *);
	467	int ctl_msg_recv(int, struct hmsg *);
	468	int ctl_msg_pack_list(char , void , unsigned int, struct hmsg , void *);
	469	int ctl_msg_unpack_list(char , void , unsigned int, struct hmsg , void *);
	470	int ctl_msg_pack_structure(char , void , unsigned int, struct hmsg , void *);
	471	int ctl_msg_unpack_structure(char , void , unsigned int, struct hmsg , void *);
	472
6e75df87	473	/* interfaces.c */
ba85f9f4	474	void lldpd_ifh_whitelist(struct lldpd , struct ifaddrs );
849954d7	475	void lldpd_ifh_bond(struct lldpd , struct ifaddrs );
6e75df87	476	void lldpd_ifh_eth(struct lldpd , struct ifaddrs );
5994b27d	477	#ifdef ENABLE_DOT1
6e75df87	478	void lldpd_ifh_vlan(struct lldpd , struct ifaddrs );
5994b27d	479	#endif
6e75df87 VB	480	void lldpd_ifh_mgmt(struct lldpd , struct ifaddrs );
	481
	482	/* dmi.c */
89840df0	483	#ifdef ENABLE_LLDPMED
6f1046d1 VB	484	char *dmi_hw(void);
	485	char *dmi_fw(void);
	486	char *dmi_sn(void);
	487	char *dmi_manuf(void);
	488	char *dmi_model(void);
	489	char *dmi_asset(void);
89840df0	490	#endif
43c02e7b VB	491
43c02e7b VB	492	/* log.c */
6bb9c4e0	493	void log_init(int, const char *);
e51da5ec	494	void log_warn(const char *, ...) __attribute__ ((format (printf, 1, 2)));
563e2dfc	495	#define LLOG_WARN(x,...) log_warn("%s: " x, __FUNCTION__ , ## __VA_ARGS__)
e51da5ec	496	void log_warnx(const char *, ...) __attribute__ ((format (printf, 1, 2)));
563e2dfc	497	#define LLOG_WARNX(x,...) log_warnx("%s: " x, __FUNCTION__ , ## __VA_ARGS__)
e51da5ec	498	void log_info(const char *, ...) __attribute__ ((format (printf, 1, 2)));
563e2dfc	499	#define LLOG_INFO(x,...) log_info("%s: " x, __FUNCTION__ , ## __VA_ARGS__)
e51da5ec	500	void log_debug(const char *, ...) __attribute__ ((format (printf, 1, 2)));
563e2dfc	501	#define LLOG_DEBUG(x,...) log_debug("%s: " x, __FUNCTION__ , ## __VA_ARGS__)
43c02e7b VB	502	void fatal(const char *);
	503	void fatalx(const char *);
	504
	505	/* agent.c */
6f1046d1	506	void agent_shutdown(void);
bbea66e1	507	void agent_init(struct lldpd , char , int);
43c02e7b	508
d72a05d4	509	/* agent_priv.c */
6f1046d1	510	void agent_priv_register_domain(void);
43c02e7b	511
a552a72e VB	512	/* client.c */
	513	struct client_handle {
	514	enum hmsg_type type;
	515	void (handle)(struct lldpd, struct hmsg, struct hmsg);
	516	};
	517
77d7090e VB	518	void client_handle_client(struct lldpd , struct lldpd_callback ,
77d7090e VB	519	char *, int);
a552a72e VB	520	void client_handle_none(struct lldpd , struct hmsg ,
	521	struct hmsg *);
	522	void client_handle_get_interfaces(struct lldpd , struct hmsg ,
	523	struct hmsg *);
740593ff	524	void client_handle_port_related(struct lldpd , struct hmsg ,
a552a72e VB	525	struct hmsg *);
	526	void client_handle_shutdown(struct lldpd , struct hmsg ,
	527	struct hmsg *);
	528
b5562b23	529	/* priv.c */
a2993d83	530	void priv_init(char*);
6f1046d1 VB	531	int priv_ctl_create(void);
	532	void priv_ctl_cleanup(void);
	533	char *priv_gethostbyname(void);
a7502371 VB	534	int priv_open(char*);
a7502371 VB	535	int priv_ethtool(char, struct ethtool_cmd);
849954d7	536	int priv_iface_init(const char *);
ef76f920	537	int priv_iface_multicast(const char , u_int8_t , int);
d72a05d4	538	int priv_snmp_socket(struct sockaddr_un *);
4afe659e VB	539
	540	/* privsep_fdpass.c */
	541	int receive_fd(int);
	542	void send_fd(int, int);
b5562b23	543
43c02e7b	544	#endif /* _LLDPD_H */