/* SPDX-License-Identifier: LGPL-2.1-only */
/*
 * Copyright (c) 2003-2012 Thomas Graf <tgraf@suug.ch>
 */

#ifndef NETLINK_LINK_H_
#define NETLINK_LINK_H_

#include <netlink/netlink.h>
#include <netlink/cache.h>
#include <netlink/addr.h>
#include <sys/types.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @struct rtnl_link link.h "netlink/route/link.h"
 * @brief Link object
 * @implements nl_object
 * @ingroup link
 *
 * @copydoc private_struct
 */
struct rtnl_link;

/**
 * @ingroup link
 */
typedef enum {
	RTNL_LINK_RX_PACKETS,           /*!< Packets received */
	RTNL_LINK_TX_PACKETS,           /*!< Packets sent */
	RTNL_LINK_RX_BYTES,             /*!< Bytes received */
	RTNL_LINK_TX_BYTES,             /*!< Bytes sent */
	RTNL_LINK_RX_ERRORS,            /*!< Receive errors */
	RTNL_LINK_TX_ERRORS,            /*!< Send errors */
	RTNL_LINK_RX_DROPPED,           /*!< Received packets dropped */
	RTNL_LINK_TX_DROPPED,           /*!< Packets dropped during transmit */
	RTNL_LINK_RX_COMPRESSED,        /*!< Compressed packets received */
	RTNL_LINK_TX_COMPRESSED,        /*!< Compressed packets sent */
	RTNL_LINK_RX_FIFO_ERR,          /*!< Receive FIFO errors */
	RTNL_LINK_TX_FIFO_ERR,          /*!< Send FIFO errors */
	RTNL_LINK_RX_LEN_ERR,           /*!< Length errors */
	RTNL_LINK_RX_OVER_ERR,          /*!< Over errors */
	RTNL_LINK_RX_CRC_ERR,           /*!< CRC errors */
	RTNL_LINK_RX_FRAME_ERR,         /*!< Frame errors */
	RTNL_LINK_RX_MISSED_ERR,        /*!< Missed errors */
	RTNL_LINK_TX_ABORT_ERR,         /*!< Aborted errors */
	RTNL_LINK_TX_CARRIER_ERR,       /*!< Carrier errors */
	RTNL_LINK_TX_HBEAT_ERR,         /*!< Heartbeat errors */
	RTNL_LINK_TX_WIN_ERR,           /*!< Window errors */
	RTNL_LINK_COLLISIONS,           /*!< Send collisions */
	RTNL_LINK_MULTICAST,            /*!< Multicast */
	RTNL_LINK_IP6_INPKTS,           /*!< IPv6 SNMP InReceives */
	RTNL_LINK_IP6_INHDRERRORS,      /*!< IPv6 SNMP InHdrErrors */
	RTNL_LINK_IP6_INTOOBIGERRORS,   /*!< IPv6 SNMP InTooBigErrors */
	RTNL_LINK_IP6_INNOROUTES,       /*!< IPv6 SNMP InNoRoutes */
	RTNL_LINK_IP6_INADDRERRORS,     /*!< IPv6 SNMP InAddrErrors */
	RTNL_LINK_IP6_INUNKNOWNPROTOS,  /*!< IPv6 SNMP InUnknownProtos */
	RTNL_LINK_IP6_INTRUNCATEDPKTS,  /*!< IPv6 SNMP InTruncatedPkts */
	RTNL_LINK_IP6_INDISCARDS,       /*!< IPv6 SNMP InDiscards */
	RTNL_LINK_IP6_INDELIVERS,       /*!< IPv6 SNMP InDelivers */
	RTNL_LINK_IP6_OUTFORWDATAGRAMS, /*!< IPv6 SNMP OutForwDatagrams */
	RTNL_LINK_IP6_OUTPKTS,          /*!< IPv6 SNMP OutRequests */
	RTNL_LINK_IP6_OUTDISCARDS,      /*!< IPv6 SNMP OutDiscards */
	RTNL_LINK_IP6_OUTNOROUTES,      /*!< IPv6 SNMP OutNoRoutes */
	RTNL_LINK_IP6_REASMTIMEOUT,     /*!< IPv6 SNMP ReasmTimeout */
	RTNL_LINK_IP6_REASMREQDS,       /*!< IPv6 SNMP ReasmReqds */
	RTNL_LINK_IP6_REASMOKS,         /*!< IPv6 SNMP ReasmOKs */
	RTNL_LINK_IP6_REASMFAILS,       /*!< IPv6 SNMP ReasmFails */
	RTNL_LINK_IP6_FRAGOKS,          /*!< IPv6 SNMP FragOKs */
	RTNL_LINK_IP6_FRAGFAILS,        /*!< IPv6 SNMP FragFails */
	RTNL_LINK_IP6_FRAGCREATES,      /*!< IPv6 SNMP FragCreates */
	RTNL_LINK_IP6_INMCASTPKTS,      /*!< IPv6 SNMP InMcastPkts */
	RTNL_LINK_IP6_OUTMCASTPKTS,     /*!< IPv6 SNMP OutMcastPkts */
	RTNL_LINK_IP6_INBCASTPKTS,      /*!< IPv6 SNMP InBcastPkts */
	RTNL_LINK_IP6_OUTBCASTPKTS,     /*!< IPv6 SNMP OutBcastPkts */
	RTNL_LINK_IP6_INOCTETS,         /*!< IPv6 SNMP InOctets */
	RTNL_LINK_IP6_OUTOCTETS,        /*!< IPv6 SNMP OutOctets */
	RTNL_LINK_IP6_INMCASTOCTETS,    /*!< IPv6 SNMP InMcastOctets */
	RTNL_LINK_IP6_OUTMCASTOCTETS,   /*!< IPv6 SNMP OutMcastOctets */
	RTNL_LINK_IP6_INBCASTOCTETS,    /*!< IPv6 SNMP InBcastOctets */
	RTNL_LINK_IP6_OUTBCASTOCTETS,   /*!< IPv6 SNMP OutBcastOctets */
	RTNL_LINK_ICMP6_INMSGS,         /*!< ICMPv6 SNMP InMsgs */
	RTNL_LINK_ICMP6_INERRORS,       /*!< ICMPv6 SNMP InErrors */
	RTNL_LINK_ICMP6_OUTMSGS,        /*!< ICMPv6 SNMP OutMsgs */
	RTNL_LINK_ICMP6_OUTERRORS,      /*!< ICMPv6 SNMP OutErrors */
	RTNL_LINK_ICMP6_CSUMERRORS,     /*!< ICMPv6 SNMP InCsumErrors */
	RTNL_LINK_IP6_CSUMERRORS,       /*!< IPv6 SNMP InCsumErrors */
	RTNL_LINK_IP6_NOECTPKTS,        /*!< IPv6 SNMP InNoECTPkts */
	RTNL_LINK_IP6_ECT1PKTS,         /*!< IPv6 SNMP InECT1Pkts */
	RTNL_LINK_IP6_ECT0PKTS,         /*!< IPv6 SNMP InECT0Pkts */
	RTNL_LINK_IP6_CEPKTS,           /*!< IPv6 SNMP InCEPkts */
	RTNL_LINK_RX_NOHANDLER,         /*!< Received packets dropped on inactive device */
	RTNL_LINK_REASM_OVERLAPS,       /*!< SNMP ReasmOverlaps */
	__RTNL_LINK_STATS_MAX,
} rtnl_link_stat_id_t;

#define RTNL_LINK_STATS_MAX (__RTNL_LINK_STATS_MAX - 1)

extern struct nla_policy rtln_link_policy[];

extern struct rtnl_link *rtnl_link_alloc(void);
extern void     rtnl_link_put(struct rtnl_link *);

extern int      rtnl_link_alloc_cache(struct nl_sock *, int, struct nl_cache **);
extern int      rtnl_link_alloc_cache_flags(struct nl_sock *, int,
                                            struct nl_cache **,
                                            unsigned int flags);
extern struct rtnl_link *rtnl_link_get(struct nl_cache *, int);
extern struct rtnl_link *rtnl_link_get_by_name(struct nl_cache *, const char *);


extern int      rtnl_link_build_add_request(struct rtnl_link *, int,
                                            struct nl_msg **);
extern int      rtnl_link_add(struct nl_sock *, struct rtnl_link *, int);
extern int      rtnl_link_build_change_request(struct rtnl_link *,
                                               struct rtnl_link *, int,
                                               struct nl_msg **);
extern int      rtnl_link_change(struct nl_sock *, struct rtnl_link *,
                                 struct rtnl_link *, int);

extern int      rtnl_link_build_delete_request(const struct rtnl_link *,
                                               struct nl_msg **);
extern int      rtnl_link_delete(struct nl_sock *, const struct rtnl_link *);
extern int      rtnl_link_build_get_request(int, const char *,
                                            struct nl_msg **);
extern int      rtnl_link_get_kernel(struct nl_sock *, int, const char *,
                                     struct rtnl_link **);

/* Name <-> Index Translations */
extern char *   rtnl_link_i2name(struct nl_cache *, int, char *, size_t);
extern int      rtnl_link_name2i(struct nl_cache *, const char *);

/* Name <-> Statistic Translations */
extern char *   rtnl_link_stat2str(int, char *, size_t);
extern int      rtnl_link_str2stat(const char *);

/* Link Flags Translations */
extern char *   rtnl_link_flags2str(int, char *, size_t);
extern int      rtnl_link_str2flags(const char *);

extern char *   rtnl_link_operstate2str(uint8_t, char *, size_t);
extern int      rtnl_link_str2operstate(const char *);

extern char *   rtnl_link_mode2str(uint8_t, char *, size_t);
extern int      rtnl_link_str2mode(const char *);

/* Carrier State Translations */
extern char *   rtnl_link_carrier2str(uint8_t, char *, size_t);
extern int      rtnl_link_str2carrier(const char *);

/* Access Functions */
extern void     rtnl_link_set_qdisc(struct rtnl_link *, const char *);
extern char *   rtnl_link_get_qdisc(struct rtnl_link *);

extern void     rtnl_link_set_name(struct rtnl_link *, const char *);
extern char *   rtnl_link_get_name(struct rtnl_link *);

extern void     rtnl_link_set_group(struct rtnl_link *, uint32_t);
extern uint32_t rtnl_link_get_group(struct rtnl_link *);

extern void     rtnl_link_set_flags(struct rtnl_link *, unsigned int);
extern void     rtnl_link_unset_flags(struct rtnl_link *, unsigned int);
extern unsigned int rtnl_link_get_flags(struct rtnl_link *);

extern void     rtnl_link_set_mtu(struct rtnl_link *, unsigned int);
extern unsigned int rtnl_link_get_mtu(struct rtnl_link *);

extern void     rtnl_link_set_txqlen(struct rtnl_link *, unsigned int);
extern unsigned int rtnl_link_get_txqlen(struct rtnl_link *);

extern void     rtnl_link_set_ifindex(struct rtnl_link *, int);
extern int      rtnl_link_get_ifindex(struct rtnl_link *);

extern void     rtnl_link_set_family(struct rtnl_link *, int);
extern int      rtnl_link_get_family(struct rtnl_link *);

extern void     rtnl_link_set_arptype(struct rtnl_link *, unsigned int);
extern unsigned int rtnl_link_get_arptype(struct rtnl_link *);

extern void     rtnl_link_set_addr(struct rtnl_link *, struct nl_addr *);
extern struct nl_addr *rtnl_link_get_addr(struct rtnl_link *);

extern struct nl_addr *rtnl_link_get_perm_addr(struct rtnl_link *);

extern void     rtnl_link_set_broadcast(struct rtnl_link *, struct nl_addr *);
extern struct nl_addr *rtnl_link_get_broadcast(struct rtnl_link *);

extern void     rtnl_link_set_link(struct rtnl_link *, int);
extern int      rtnl_link_get_link(struct rtnl_link *);

extern void     rtnl_link_set_master(struct rtnl_link *, int);
extern int      rtnl_link_get_master(struct rtnl_link *);

extern void     rtnl_link_set_carrier(struct rtnl_link *, uint8_t);
extern uint8_t  rtnl_link_get_carrier(struct rtnl_link *);

extern int      rtnl_link_get_carrier_changes(struct rtnl_link *, uint32_t *);

extern void     rtnl_link_set_operstate(struct rtnl_link *, uint8_t);
extern uint8_t  rtnl_link_get_operstate(struct rtnl_link *);

extern void     rtnl_link_set_linkmode(struct rtnl_link *, uint8_t);
extern uint8_t  rtnl_link_get_linkmode(struct rtnl_link *);

int             rtnl_link_set_link_netnsid(struct rtnl_link *link, int32_t link_netnsid);
int             rtnl_link_get_link_netnsid(const struct rtnl_link *link, int32_t *out_link_netnsid);

extern const char *     rtnl_link_get_ifalias(struct rtnl_link *);
extern void             rtnl_link_set_ifalias(struct rtnl_link *, const char *);

extern int              rtnl_link_get_num_vf(struct rtnl_link *, uint32_t *);

extern uint64_t rtnl_link_get_stat(struct rtnl_link *, rtnl_link_stat_id_t);
extern int      rtnl_link_set_stat(struct rtnl_link *, rtnl_link_stat_id_t,
                                   const uint64_t);

extern int      rtnl_link_set_type(struct rtnl_link *, const char *);
extern char *   rtnl_link_get_type(struct rtnl_link *);

extern int              rtnl_link_set_slave_type(struct rtnl_link *, const char *);
extern const char *     rtnl_link_get_slave_type(const struct rtnl_link *);

extern void     rtnl_link_set_promiscuity(struct rtnl_link *, uint32_t);
extern uint32_t rtnl_link_get_promiscuity(struct rtnl_link *);

extern void     rtnl_link_set_num_tx_queues(struct rtnl_link *, uint32_t);
extern uint32_t rtnl_link_get_num_tx_queues(struct rtnl_link *);

extern void     rtnl_link_set_num_rx_queues(struct rtnl_link *, uint32_t);
extern uint32_t rtnl_link_get_num_rx_queues(struct rtnl_link *);

extern int      rtnl_link_get_gso_max_segs(struct rtnl_link *, uint32_t *);

extern int      rtnl_link_get_gso_max_size(struct rtnl_link *, uint32_t *);

extern struct nl_data * rtnl_link_get_phys_port_id(struct rtnl_link *);

extern char*    rtnl_link_get_phys_port_name(struct rtnl_link *);

extern struct nl_data * rtnl_link_get_phys_switch_id(struct rtnl_link *);

extern void     rtnl_link_set_ns_fd(struct rtnl_link *, int);
extern int      rtnl_link_get_ns_fd(struct rtnl_link *);
extern void     rtnl_link_set_ns_pid(struct rtnl_link *, pid_t);
extern pid_t    rtnl_link_get_ns_pid(struct rtnl_link *);

extern int      rtnl_link_enslave_ifindex(struct nl_sock *, int, int);
extern int      rtnl_link_enslave(struct nl_sock *, struct rtnl_link *,
                                  struct rtnl_link *);
extern int      rtnl_link_release_ifindex(struct nl_sock *, int);
extern int      rtnl_link_release(struct nl_sock *, struct rtnl_link *);
extern int      rtnl_link_fill_info(struct nl_msg *, struct rtnl_link *);
extern int      rtnl_link_info_parse(struct rtnl_link *, struct nlattr **);

extern int rtnl_link_has_vf_list(struct rtnl_link *);
extern void rtnl_link_set_vf_list(struct rtnl_link *);
extern void rtnl_link_unset_vf_list(struct rtnl_link *);


/* deprecated */
extern int      rtnl_link_set_info_type(struct rtnl_link *, const char *) __attribute__((deprecated));
extern char *   rtnl_link_get_info_type(struct rtnl_link *) __attribute__((deprecated));
extern void     rtnl_link_set_weight(struct rtnl_link *, unsigned int) __attribute__((deprecated));
extern unsigned int rtnl_link_get_weight(struct rtnl_link *) __attribute__((deprecated));


#ifdef __cplusplus
}
#endif

#endif
