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      1 /*
      2  * netlink/route/link.h		Links (Interfaces)
      3  *
      4  *	This library is free software; you can redistribute it and/or
      5  *	modify it under the terms of the GNU Lesser General Public
      6  *	License as published by the Free Software Foundation version 2.1
      7  *	of the License.
      8  *
      9  * Copyright (c) 2003-2008 Thomas Graf <tgraf (at) suug.ch>
     10  */
     11 
     12 #ifndef NETLINK_LINK_H_
     13 #define NETLINK_LINK_H_
     14 
     15 #include <netlink/netlink.h>
     16 #include <netlink/cache.h>
     17 #include <netlink/addr.h>
     18 
     19 #ifdef __cplusplus
     20 extern "C" {
     21 #endif
     22 
     23 struct rtnl_link;
     24 
     25 enum rtnl_link_st {
     26 	RTNL_LINK_RX_PACKETS,
     27 	RTNL_LINK_TX_PACKETS,
     28 	RTNL_LINK_RX_BYTES,
     29 	RTNL_LINK_TX_BYTES,
     30 	RTNL_LINK_RX_ERRORS,
     31 	RTNL_LINK_TX_ERRORS,
     32 	RTNL_LINK_RX_DROPPED,
     33 	RTNL_LINK_TX_DROPPED,
     34 	RTNL_LINK_RX_COMPRESSED,
     35 	RTNL_LINK_TX_COMPRESSED,
     36 	RTNL_LINK_RX_FIFO_ERR,
     37 	RTNL_LINK_TX_FIFO_ERR,
     38 	RTNL_LINK_RX_LEN_ERR,
     39 	RTNL_LINK_RX_OVER_ERR,
     40 	RTNL_LINK_RX_CRC_ERR,
     41 	RTNL_LINK_RX_FRAME_ERR,
     42 	RTNL_LINK_RX_MISSED_ERR,
     43 	RTNL_LINK_TX_ABORT_ERR,
     44 	RTNL_LINK_TX_CARRIER_ERR,
     45 	RTNL_LINK_TX_HBEAT_ERR,
     46 	RTNL_LINK_TX_WIN_ERR,
     47 	RTNL_LINK_TX_COLLISIONS,
     48 	RTNL_LINK_MULTICAST,
     49 	__RTNL_LINK_STATS_MAX,
     50 };
     51 
     52 #define RTNL_LINK_STATS_MAX (__RTNL_LINK_STATS_MAX - 1)
     53 
     54 /* link object allocation/freeage */
     55 extern struct rtnl_link *rtnl_link_alloc(void);
     56 extern void	rtnl_link_put(struct rtnl_link *);
     57 extern void	rtnl_link_free(struct rtnl_link *);
     58 
     59 /* link cache management */
     60 extern int	rtnl_link_alloc_cache(struct nl_sock *, struct nl_cache **);
     61 extern struct rtnl_link *rtnl_link_get(struct nl_cache *, int);
     62 extern struct rtnl_link *rtnl_link_get_by_name(struct nl_cache *, const char *);
     63 
     64 
     65 extern int	rtnl_link_build_change_request(struct rtnl_link *,
     66 					       struct rtnl_link *, int,
     67 					       struct nl_msg **);
     68 extern int	rtnl_link_change(struct nl_sock *, struct rtnl_link *,
     69 				 struct rtnl_link *, int);
     70 
     71 /* Name <-> Index Translations */
     72 extern char * 	rtnl_link_i2name(struct nl_cache *, int, char *, size_t);
     73 extern int	rtnl_link_name2i(struct nl_cache *, const char *);
     74 
     75 /* Name <-> Statistic Translations */
     76 extern char *	rtnl_link_stat2str(int, char *, size_t);
     77 extern int	rtnl_link_str2stat(const char *);
     78 
     79 /* Link Flags Translations */
     80 extern char *	rtnl_link_flags2str(int, char *, size_t);
     81 extern int	rtnl_link_str2flags(const char *);
     82 
     83 extern char *	rtnl_link_operstate2str(int, char *, size_t);
     84 extern int	rtnl_link_str2operstate(const char *);
     85 
     86 extern char *	rtnl_link_mode2str(int, char *, size_t);
     87 extern int	rtnl_link_str2mode(const char *);
     88 
     89 /* Access Functions */
     90 extern void	rtnl_link_set_qdisc(struct rtnl_link *, const char *);
     91 extern char *	rtnl_link_get_qdisc(struct rtnl_link *);
     92 
     93 extern void	rtnl_link_set_name(struct rtnl_link *, const char *);
     94 extern char *	rtnl_link_get_name(struct rtnl_link *);
     95 
     96 extern void	rtnl_link_set_flags(struct rtnl_link *, unsigned int);
     97 extern void	rtnl_link_unset_flags(struct rtnl_link *, unsigned int);
     98 extern unsigned int rtnl_link_get_flags(struct rtnl_link *);
     99 
    100 extern void	rtnl_link_set_mtu(struct rtnl_link *, unsigned int);
    101 extern unsigned int rtnl_link_get_mtu(struct rtnl_link *);
    102 
    103 extern void	rtnl_link_set_txqlen(struct rtnl_link *, unsigned int);
    104 extern unsigned int rtnl_link_get_txqlen(struct rtnl_link *);
    105 
    106 extern void	rtnl_link_set_weight(struct rtnl_link *, unsigned int);
    107 extern unsigned int rtnl_link_get_weight(struct rtnl_link *);
    108 
    109 extern void	rtnl_link_set_ifindex(struct rtnl_link *, int);
    110 extern int	rtnl_link_get_ifindex(struct rtnl_link *);
    111 
    112 extern void	rtnl_link_set_family(struct rtnl_link *, int);
    113 extern int	rtnl_link_get_family(struct rtnl_link *);
    114 
    115 extern void	rtnl_link_set_arptype(struct rtnl_link *, unsigned int);
    116 extern unsigned int rtnl_link_get_arptype(struct rtnl_link *);
    117 
    118 extern void	rtnl_link_set_addr(struct rtnl_link *, struct nl_addr *);
    119 extern struct nl_addr *rtnl_link_get_addr(struct rtnl_link *);
    120 
    121 extern void	rtnl_link_set_broadcast(struct rtnl_link *, struct nl_addr *);
    122 extern struct nl_addr *rtnl_link_get_broadcast(struct rtnl_link *);
    123 
    124 extern void	rtnl_link_set_link(struct rtnl_link *, int);
    125 extern int	rtnl_link_get_link(struct rtnl_link *);
    126 
    127 extern void	rtnl_link_set_master(struct rtnl_link *, int);
    128 extern int	rtnl_link_get_master(struct rtnl_link *);
    129 
    130 extern void	rtnl_link_set_operstate(struct rtnl_link *, uint8_t);
    131 extern uint8_t	rtnl_link_get_operstate(struct rtnl_link *);
    132 
    133 extern void	rtnl_link_set_linkmode(struct rtnl_link *, uint8_t);
    134 extern uint8_t	rtnl_link_get_linkmode(struct rtnl_link *);
    135 
    136 extern uint64_t rtnl_link_get_stat(struct rtnl_link *, int);
    137 
    138 extern int	rtnl_link_set_info_type(struct rtnl_link *, const char *);
    139 extern char *	rtnl_link_get_info_type(struct rtnl_link *);
    140 
    141 #ifdef __cplusplus
    142 }
    143 #endif
    144 
    145 #endif
    146