diff options
Diffstat (limited to 'lib/if.h')
| -rw-r--r-- | lib/if.h | 163 |
1 files changed, 140 insertions, 23 deletions
@@ -21,8 +21,69 @@ Boston, MA 02111-1307, USA. */ #ifndef _ZEBRA_IF_H #define _ZEBRA_IF_H +#include "zebra.h" #include "linklist.h" +/* Interface link-layer type, if known. Derived from: + * + * net/if_arp.h on various platforms - Linux especially. + * http://www.iana.org/assignments/arp-parameters/arp-parameters.xhtml + * + * Some of the more obviously defunct technologies left out. + */ +enum zebra_link_type { + ZEBRA_LLT_UNKNOWN = 0, + ZEBRA_LLT_ETHER, + ZEBRA_LLT_EETHER, + ZEBRA_LLT_AX25, + ZEBRA_LLT_PRONET, + ZEBRA_LLT_IEEE802, + ZEBRA_LLT_ARCNET, + ZEBRA_LLT_APPLETLK, + ZEBRA_LLT_DLCI, + ZEBRA_LLT_ATM, + ZEBRA_LLT_METRICOM, + ZEBRA_LLT_IEEE1394, + ZEBRA_LLT_EUI64, + ZEBRA_LLT_INFINIBAND, + ZEBRA_LLT_SLIP, + ZEBRA_LLT_CSLIP, + ZEBRA_LLT_SLIP6, + ZEBRA_LLT_CSLIP6, + ZEBRA_LLT_RSRVD, + ZEBRA_LLT_ADAPT, + ZEBRA_LLT_ROSE, + ZEBRA_LLT_X25, + ZEBRA_LLT_PPP, + ZEBRA_LLT_CHDLC, + ZEBRA_LLT_LAPB, + ZEBRA_LLT_RAWHDLC, + ZEBRA_LLT_IPIP, + ZEBRA_LLT_IPIP6, + ZEBRA_LLT_FRAD, + ZEBRA_LLT_SKIP, + ZEBRA_LLT_LOOPBACK, + ZEBRA_LLT_LOCALTLK, + ZEBRA_LLT_FDDI, + ZEBRA_LLT_SIT, + ZEBRA_LLT_IPDDP, + ZEBRA_LLT_IPGRE, + ZEBRA_LLT_IP6GRE, + ZEBRA_LLT_PIMREG, + ZEBRA_LLT_HIPPI, + ZEBRA_LLT_ECONET, + ZEBRA_LLT_IRDA, + ZEBRA_LLT_FCPP, + ZEBRA_LLT_FCAL, + ZEBRA_LLT_FCPL, + ZEBRA_LLT_FCFABRIC, + ZEBRA_LLT_IEEE802_TR, + ZEBRA_LLT_IEEE80211, + ZEBRA_LLT_IEEE80211_RADIOTAP, + ZEBRA_LLT_IEEE802154, + ZEBRA_LLT_IEEE802154_PHY, +}; + /* Interface name length. @@ -36,6 +97,8 @@ Boston, MA 02111-1307, USA. */ #define INTERFACE_NAMSIZ 20 #define INTERFACE_HWADDR_MAX 20 +typedef signed int ifindex_t; + #ifdef HAVE_PROC_NET_DEV struct if_stats { @@ -68,6 +131,63 @@ struct if_stats }; #endif /* HAVE_PROC_NET_DEV */ +/* Here are "non-official" architectural constants. */ +#define TE_EXT_MASK 0x0FFFFFFF +#define TE_EXT_ANORMAL 0x80000000 +#define LOSS_PRECISION 0.000003 +#define TE_KILO_BIT 1000 +#define TE_BYTE 8 +#define DEFAULT_BANDWIDTH 10000 +#define MAX_CLASS_TYPE 8 +#define MAX_PKT_LOSS 50.331642 + +/* Link Parameters Status: 0: unset, 1: set, */ +#define LP_UNSET 0x0000 +#define LP_TE 0x0001 +#define LP_MAX_BW 0x0002 +#define LP_MAX_RSV_BW 0x0004 +#define LP_UNRSV_BW 0x0008 +#define LP_ADM_GRP 0x0010 +#define LP_RMT_AS 0x0020 +#define LP_DELAY 0x0040 +#define LP_MM_DELAY 0x0080 +#define LP_DELAY_VAR 0x0100 +#define LP_PKT_LOSS 0x0200 +#define LP_RES_BW 0x0400 +#define LP_AVA_BW 0x0800 +#define LP_USE_BW 0x1000 + +#define IS_PARAM_UNSET(lp, st) !(lp->lp_status & st) +#define IS_PARAM_SET(lp, st) (lp->lp_status & st) +#define IS_LINK_PARAMS_SET(lp) (lp->lp_status != LP_UNSET) + +#define SET_PARAM(lp, st) (lp->lp_status) |= (st) +#define UNSET_PARAM(lp, st) (lp->lp_status) &= ~(st) +#define RESET_LINK_PARAM(lp) (lp->lp_status = LP_UNSET) + +/* Link Parameters for Traffic Engineering */ +struct if_link_params { + u_int32_t lp_status; /* Status of Link Parameters: */ + u_int32_t te_metric; /* Traffic Engineering metric */ + float max_bw; /* Maximum Bandwidth */ + float max_rsv_bw; /* Maximum Reservable Bandwidth */ + float unrsv_bw[MAX_CLASS_TYPE]; /* Unreserved Bandwidth per Class Type (8) */ + u_int32_t admin_grp; /* Administrative group */ + u_int32_t rmt_as; /* Remote AS number */ + struct in_addr rmt_ip; /* Remote IP address */ + u_int32_t av_delay; /* Link Average Delay */ + u_int32_t min_delay; /* Link Min Delay */ + u_int32_t max_delay; /* Link Max Delay */ + u_int32_t delay_var; /* Link Delay Variation */ + float pkt_loss; /* Link Packet Loss */ + float res_bw; /* Residual Bandwidth */ + float ava_bw; /* Available Bandwidth */ + float use_bw; /* Utilized Bandwidth */ +}; + +#define INTERFACE_LINK_PARAMS_SIZE sizeof(struct if_link_params) +#define HAS_LINK_PARAMS(ifp) ((ifp)->link_params != NULL) + /* Interface structure */ struct interface { @@ -82,9 +202,9 @@ struct interface /* Interface index (should be IFINDEX_INTERNAL for non-kernel or deleted interfaces). */ - unsigned int ifindex; + ifindex_t ifindex; #define IFINDEX_INTERNAL 0 -#define IFINDEX_DELETED UINT_MAX +#define IFINDEX_DELETED INT_MAX /* Zebra internal interface status */ u_char status; @@ -103,24 +223,17 @@ struct interface unsigned int mtu; /* IPv4 MTU */ unsigned int mtu6; /* IPv6 MTU - probably, but not neccessarily same as mtu */ - /* Hardware address. */ -#ifdef HAVE_STRUCT_SOCKADDR_DL - union { - /* note that sdl_storage is never accessed, it only exists to make space. - * all actual uses refer to sdl - but use sizeof(sdl_storage)! this fits - * best with C aliasing rules. */ - struct sockaddr_dl sdl; - struct sockaddr_storage sdl_storage; - }; -#else - unsigned short hw_type; + /* Link-layer information and hardware address */ + enum zebra_link_type ll_type; u_char hw_addr[INTERFACE_HWADDR_MAX]; int hw_addr_len; -#endif /* HAVE_STRUCT_SOCKADDR_DL */ /* interface bandwidth, kbits */ unsigned int bandwidth; + /* Link parameters for Traffic Engineering */ + struct if_link_params *link_params; + /* description of the interface. */ char *desc; @@ -264,7 +377,7 @@ struct nbr_connected /* Prototypes. */ extern int if_cmp_name_func (char *, char *); extern struct interface *if_create (const char *name, int namelen); -extern struct interface *if_lookup_by_index (unsigned int); +extern struct interface *if_lookup_by_index (ifindex_t); extern struct interface *if_lookup_exact_address (void *matchaddr, int family); extern struct interface *if_lookup_address (void *matchaddr, int family); extern struct interface *if_lookup_prefix (struct prefix *prefix); @@ -273,8 +386,7 @@ extern void if_update_vrf (struct interface *, const char *name, int namelen, vrf_id_t vrf_id); extern struct interface *if_create_vrf (const char *name, int namelen, vrf_id_t vrf_id); -extern struct interface *if_lookup_by_index_vrf (unsigned int, - vrf_id_t vrf_id); +extern struct interface *if_lookup_by_index_vrf (ifindex_t, vrf_id_t vrf_id); extern struct interface *if_lookup_exact_address_vrf (void *matchaddr, int family, vrf_id_t vrf_id); extern struct interface *if_lookup_address_vrf (void *matchaddr, int family, @@ -328,18 +440,19 @@ extern void if_init (struct list **); extern void if_terminate (struct list **); extern void if_dump_all (void); extern const char *if_flag_dump(unsigned long); +extern const char *if_link_type_str (enum zebra_link_type); /* Please use ifindex2ifname instead of if_indextoname where possible; ifindex2ifname uses internal interface info, whereas if_indextoname must make a system call. */ -extern const char *ifindex2ifname (unsigned int); -extern const char *ifindex2ifname_vrf (unsigned int, vrf_id_t vrf_id); +extern const char *ifindex2ifname (ifindex_t); +extern const char *ifindex2ifname_vrf (ifindex_t, vrf_id_t vrf_id); /* Please use ifname2ifindex instead of if_nametoindex where possible; ifname2ifindex uses internal interface info, whereas if_nametoindex must make a system call. */ -extern unsigned int ifname2ifindex(const char *ifname); -extern unsigned int ifname2ifindex_vrf(const char *ifname, vrf_id_t vrf_id); +extern ifindex_t ifname2ifindex(const char *ifname); +extern ifindex_t ifname2ifindex_vrf(const char *ifname, vrf_id_t vrf_id); /* Connected address functions. */ extern struct connected *connected_new (void); @@ -359,12 +472,16 @@ extern void nbr_connected_free (struct nbr_connected *); struct nbr_connected *nbr_connected_check (struct interface *, struct prefix *); #ifndef HAVE_IF_NAMETOINDEX -extern unsigned int if_nametoindex (const char *); +extern ifindex_t if_nametoindex (const char *); #endif #ifndef HAVE_IF_INDEXTONAME -extern char *if_indextoname (unsigned int, char *); +extern char *if_indextoname (ifindex_t, char *); #endif +/* link parameters */ +struct if_link_params *if_link_params_get (struct interface *); +void if_link_params_free (struct interface *); + /* Exported variables. */ extern struct cmd_element interface_desc_cmd; extern struct cmd_element no_interface_desc_cmd; |