+#ifndef TINC_NET_H
+#define TINC_NET_H
+
/*
net.h -- header for net.c
Copyright (C) 1998-2005 Ivo Timmermans
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifndef __TINC_NET_H__
-#define __TINC_NET_H__
+#include "system.h"
#include "ipv6.h"
#include "cipher.h"
#include "digest.h"
#include "event.h"
+#define EPOLL_MAX_EVENTS_PER_LOOP 32
+
#ifdef ENABLE_JUMBOGRAMS
#define MTU 9018 /* 9000 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */
#else
#define MTU 1518 /* 1500 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */
#endif
+#define MINMTU 512 /* Below this we don't consider UDP to be working */
+
/* MAXSIZE is the maximum size of an encapsulated packet: MTU + seqno + srcid + dstid + padding + HMAC + compressor overhead */
#define MAXSIZE (MTU + 4 + sizeof(node_id_t) + sizeof(node_id_t) + CIPHER_MAX_BLOCK_SIZE + DIGEST_MAX_SIZE + MTU/64 + 20)
uint8_t x[6];
} node_id_t;
-typedef short length_t;
+typedef uint16_t length_t;
typedef uint32_t seqno_t;
#define AF_UNKNOWN 255
struct sockaddr_in in;
struct sockaddr_in6 in6;
struct sockaddr_unknown unknown;
-#ifdef HAVE_STRUCT_SOCKADDR_STORAGE
- struct sockaddr_storage storage;
-#endif
} sockaddr_t;
#ifdef SA_LEN
#define PKT_MAC 2
#define PKT_PROBE 4
-typedef enum packet_type_t {
- PACKET_NORMAL,
- PACKET_COMPRESSED,
- PACKET_PROBE
-} packet_type_t;
-
typedef struct listen_socket_t {
io_t tcp;
io_t udp;
#include "list.h"
typedef struct outgoing_t {
- char *name;
+ struct node_t *node;
int timeout;
- splay_tree_t *config_tree;
- struct config_t *cfg;
- struct addrinfo *ai;
- struct addrinfo *aip;
timeout_t ev;
} outgoing_t;
-extern list_t *outgoing_list;
+extern list_t outgoing_list;
extern int maxoutbufsize;
extern int seconds_till_retry;
extern int keylifetime;
extern int udp_rcvbuf;
extern int udp_sndbuf;
+extern bool udp_rcvbuf_warnings;
+extern bool udp_sndbuf_warnings;
extern int max_connection_burst;
+extern int fwmark;
extern bool do_prune;
extern char *myport;
extern bool device_standby;
#include "connection.h"
#include "node.h"
-extern void retry_outgoing(outgoing_t *);
-extern void handle_incoming_vpn_data(void *, int);
-extern void finish_connecting(struct connection_t *);
-extern bool do_outgoing_connection(struct outgoing_t *);
-extern void handle_new_meta_connection(void *, int);
-extern void handle_new_unix_connection(void *, int);
-extern int setup_listen_socket(const sockaddr_t *);
-extern int setup_vpn_in_socket(const sockaddr_t *);
-extern bool send_sptps_data(node_t *to, node_t *from, int type, const void *data, size_t len);
+extern void retry_outgoing(outgoing_t *outgoing);
+extern void handle_incoming_vpn_data(void *data, int flags);
+extern void finish_connecting(struct connection_t *c);
+extern bool do_outgoing_connection(struct outgoing_t *outgoing);
+extern void handle_new_meta_connection(void *data, int flags);
+extern void handle_new_unix_connection(void *data, int flags);
+extern int setup_listen_socket(const sockaddr_t *sa);
+extern int setup_vpn_in_socket(const sockaddr_t *sa);
+extern bool send_sptps_data(struct node_t *to, struct node_t *from, int type, const void *data, size_t len);
extern bool receive_sptps_record(void *handle, uint8_t type, const void *data, uint16_t len);
-extern void send_packet(struct node_t *, vpn_packet_t *);
-extern void receive_tcppacket(struct connection_t *, const char *, int);
-extern bool receive_tcppacket_sptps(struct connection_t *, const char *, int);
-extern void broadcast_packet(const struct node_t *, vpn_packet_t *);
+extern void send_packet(struct node_t *n, vpn_packet_t *packet);
+extern void receive_tcppacket(struct connection_t *c, const char *buffer, size_t length);
+extern bool receive_tcppacket_sptps(struct connection_t *c, const char *buffer, size_t length);
+extern void broadcast_packet(const struct node_t *n, vpn_packet_t *packet);
extern char *get_name(void);
extern void device_enable(void);
extern void device_disable(void);
extern bool setup_myself_reloadable(void);
extern bool setup_network(void);
-extern void setup_outgoing_connection(struct outgoing_t *);
+extern void setup_outgoing_connection(struct outgoing_t *outgoing, bool verbose);
extern void try_outgoing_connections(void);
extern void close_network_connections(void);
extern int main_loop(void);
-extern void terminate_connection(struct connection_t *, bool);
-extern bool node_read_ecdsa_public_key(struct node_t *);
-extern bool read_ecdsa_public_key(struct connection_t *);
-extern bool read_rsa_public_key(struct connection_t *);
-extern void handle_device_data(void *, int);
-extern void handle_meta_connection_data(struct connection_t *);
+extern void terminate_connection(struct connection_t *c, bool report);
+extern bool node_read_ecdsa_public_key(struct node_t *n);
+extern void handle_device_data(void *data, int flags);
+extern void handle_meta_connection_data(struct connection_t *c);
extern void regenerate_key(void);
extern void purge(void);
extern void retry(void);
extern int reload_configuration(void);
-extern void load_all_subnets(void);
extern void load_all_nodes(void);
-extern void try_tx(struct node_t *n, bool);
+extern void try_tx(struct node_t *n, bool mtu);
+extern void tarpit(int fd);
#ifndef HAVE_MINGW
#define closesocket(s) close(s)
#endif
-#endif /* __TINC_NET_H__ */
+#endif