--- embedaddon/quagga/lib/if.h 2013/07/21 23:54:39 1.1.1.2 +++ embedaddon/quagga/lib/if.h 2016/11/02 10:09:10 1.1.1.3 @@ -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 { @@ -82,7 +145,7 @@ struct interface /* Interface index (should be IFINDEX_INTERNAL for non-kernel or deleted interfaces). */ - unsigned int ifindex; + ifindex_t ifindex; #define IFINDEX_INTERNAL 0 /* Zebra internal interface status */ @@ -101,20 +164,10 @@ 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; @@ -139,6 +192,8 @@ struct interface #ifdef HAVE_NET_RT_IFLIST struct if_data stats; #endif /* HAVE_NET_RT_IFLIST */ + + vrf_id_t vrf_id; }; /* Connected address structure. */ @@ -151,11 +206,16 @@ struct connected u_char conf; #define ZEBRA_IFC_REAL (1 << 0) #define ZEBRA_IFC_CONFIGURED (1 << 1) +#define ZEBRA_IFC_QUEUED (1 << 2) /* The ZEBRA_IFC_REAL flag should be set if and only if this address - exists in the kernel. + exists in the kernel and is actually usable. (A case where it exists but + is not yet usable would be IPv6 with DAD) The ZEBRA_IFC_CONFIGURED flag should be set if and only if this address was configured by the user from inside quagga. + The ZEBRA_IFC_QUEUED flag should be set if and only if the address exists + in the kernel. It may and should be set although the address might not be + usable yet. (compare with ZEBRA_IFC_REAL) */ /* Flags for connected address. */ @@ -237,23 +297,44 @@ struct connected /* Prototypes. */ extern int if_cmp_func (struct interface *, struct interface *); 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 (struct in_addr); extern struct interface *if_lookup_address (struct in_addr); +extern struct interface *if_lookup_prefix (struct prefix *prefix); +extern struct interface *if_create_vrf (const char *name, int namelen, + 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 (struct in_addr, + vrf_id_t vrf_id); +extern struct interface *if_lookup_address_vrf (struct in_addr, + vrf_id_t vrf_id); +extern struct interface *if_lookup_prefix_vrf (struct prefix *prefix, + vrf_id_t vrf_id); + /* These 2 functions are to be used when the ifname argument is terminated by a '\0' character: */ extern struct interface *if_lookup_by_name (const char *ifname); extern struct interface *if_get_by_name (const char *ifname); +extern struct interface *if_lookup_by_name_vrf (const char *ifname, + vrf_id_t vrf_id); +extern struct interface *if_get_by_name_vrf (const char *ifname, + vrf_id_t vrf_id); + /* For these 2 functions, the namelen argument should be the precise length of the ifname string (not counting any optional trailing '\0' character). In most cases, strnlen should be used to calculate the namelen value. */ extern struct interface *if_lookup_by_name_len(const char *ifname, - size_t namelen); -extern struct interface *if_get_by_name_len(const char *ifname, size_t namelen); + size_t namelen); +extern struct interface *if_get_by_name_len(const char *ifname,size_t namelen); +extern struct interface *if_lookup_by_name_len_vrf(const char *ifname, + size_t namelen, vrf_id_t vrf_id); +extern struct interface *if_get_by_name_len_vrf(const char *ifname, + size_t namelen, vrf_id_t vrf_id); + /* Delete the interface, but do not free the structure, and leave it in the interface list. It is often advisable to leave the pseudo interface structure because there may be configuration information attached. */ @@ -271,20 +352,23 @@ extern int if_is_broadcast (struct interface *); extern int if_is_pointopoint (struct interface *); extern int if_is_multicast (struct interface *); extern void if_add_hook (int, int (*)(struct interface *)); -extern void if_init (void); -extern void if_terminate (void); +extern void if_init (vrf_id_t, struct list **); +extern void if_terminate (vrf_id_t, 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 (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 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); @@ -299,10 +383,10 @@ extern struct connected *connected_lookup_address (st struct in_addr); #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 /* Exported variables. */ @@ -311,8 +395,12 @@ extern struct cmd_element interface_desc_cmd; extern struct cmd_element no_interface_desc_cmd; extern struct cmd_element interface_cmd; extern struct cmd_element no_interface_cmd; +extern struct cmd_element interface_vrf_cmd; +extern struct cmd_element no_interface_vrf_cmd; extern struct cmd_element interface_pseudo_cmd; extern struct cmd_element no_interface_pseudo_cmd; extern struct cmd_element show_address_cmd; +extern struct cmd_element show_address_vrf_cmd; +extern struct cmd_element show_address_vrf_all_cmd; #endif /* _ZEBRA_IF_H */