diff options
Diffstat (limited to 'nhrp/nhrp_interface.h')
| -rw-r--r-- | nhrp/nhrp_interface.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/nhrp/nhrp_interface.h b/nhrp/nhrp_interface.h new file mode 100644 index 0000000..8e3e8df --- /dev/null +++ b/nhrp/nhrp_interface.h @@ -0,0 +1,78 @@ +/* nhrp_interface.h - NHRP configuration per interface definitions + * + * Copyright (C) 2007 Timo Teräs <timo.teras@iki.fi> + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 or later as + * published by the Free Software Foundation. + * + * See http://www.gnu.org/ for details. + */ + +#ifndef NHRP_INTERFACE_H +#define NHRP_INTERFACE_H + +#include "nhrp_packet.h" +#include "nhrp_peer.h" + +#define NHRP_INTERFACE_FLAG_NON_CACHING 0x0001 /* Do not cache entries */ +#define NHRP_INTERFACE_FLAG_SHORTCUT 0x0002 /* Create shortcut routes */ +#define NHRP_INTERFACE_FLAG_REDIRECT 0x0004 /* Send redirects */ +#define NHRP_INTERFACE_FLAG_SHORTCUT_DEST 0x0008 /* Advertise routes */ +#define NHRP_INTERFACE_FLAG_CONFIGURED 0x0010 /* Found in config file */ + +#define NHRP_INTERFACE_NBMA_HASH_SIZE 256 + +struct nhrp_interface { + struct list_head name_list_entry; + struct hlist_node index_list_entry; + + /* Configured information */ + char name[16]; + unsigned int flags; + unsigned int holding_time; + struct nhrp_buffer *auth_token; + unsigned int route_table; + + /* Cached from kernel interface */ + unsigned int index, link_index; + uint32_t gre_key; + uint16_t afnum; + uint16_t mtu, nbma_mtu; + struct nhrp_address nbma_address; + struct nhrp_cie nat_cie; + + /* Actually, we should have list of protocol addresses; + * we might have multiple address and multiple protocol types */ + struct nhrp_address protocol_address; + int protocol_address_prefix; + + /* Peer cache is interface specific */ + struct list_head peer_list; + struct hlist_head nbma_hash[NHRP_INTERFACE_NBMA_HASH_SIZE]; + + /* Multicast related stuff */ + struct list_head mcast_list; + int mcast_mask; + int mcast_numaddr; + struct nhrp_address *mcast_addr; +}; + +typedef int (*nhrp_interface_enumerator)(void *ctx, struct nhrp_interface *iface); + +void nhrp_interface_cleanup(void); +void nhrp_interface_hash(struct nhrp_interface *iface); +int nhrp_interface_foreach(nhrp_interface_enumerator enumerator, void *ctx); +struct nhrp_interface *nhrp_interface_get_by_name(const char *name, int create); +struct nhrp_interface *nhrp_interface_get_by_index(unsigned int index, int create); +struct nhrp_interface *nhrp_interface_get_by_nbma(struct nhrp_address *addr); +struct nhrp_interface *nhrp_interface_get_by_protocol(struct nhrp_address *addr); +int nhrp_interface_run_script(struct nhrp_interface *iface, char *action); +struct nhrp_peer *nhrp_interface_find_peer(struct nhrp_interface *iface, const struct nhrp_address *nbma); + +void nhrp_interface_resolve_nbma(struct nhrp_interface *iface, + struct nhrp_address *nbmadest, + struct nhrp_address *nbma); + +#endif |