X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=6290718773c034fe973b395c96ad370581bb5ac8;hp=8de3a2c40f2d99f523decadb806773542c7a95f8;hb=3157b94e8bdcb6f2a5c48699379d4954c9db1e00;hpb=776dbf88df1911ec379c2fece0089fd2f5c71021 diff --git a/src/net.h b/src/net.h index 8de3a2c4..62907187 100644 --- a/src/net.h +++ b/src/net.h @@ -1,7 +1,10 @@ +#ifndef TINC_NET_H +#define TINC_NET_H + /* net.h -- header for net.c Copyright (C) 1998-2005 Ivo Timmermans - 2000-2012 Guus Sliepen + 2000-2015 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -18,23 +21,20 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#ifndef __TINC_NET_H__ -#define __TINC_NET_H__ - #include #include "ipv6.h" #ifdef ENABLE_JUMBOGRAMS -#define MTU 9018 /* 9000 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */ +#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 */ +#define MTU 1518 /* 1500 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */ #endif -#define MAXSIZE (MTU + 4 + EVP_MAX_BLOCK_LENGTH + EVP_MAX_MD_SIZE + MTU/64 + 20) /* MTU + seqno + padding + HMAC + compressor overhead */ -#define MAXBUFSIZE ((MAXSIZE > 2048 ? MAXSIZE : 2048) + 128) /* Enough room for a request with a MAXSIZEd packet or a 8192 bits RSA key */ +#define MAXSIZE (MTU + 4 + EVP_MAX_BLOCK_LENGTH + EVP_MAX_MD_SIZE + MTU/64 + 20) /* MTU + seqno + padding + HMAC + compressor overhead */ +#define MAXBUFSIZE ((MAXSIZE > 2048 ? MAXSIZE : 2048) + 128) /* Enough room for a request with a MAXSIZEd packet or a 8192 bits RSA key */ -#define MAXSOCKETS 128 /* Overkill... */ +#define MAXSOCKETS 128 /* Overkill... */ typedef struct mac_t { uint8_t x[6]; @@ -48,7 +48,7 @@ typedef struct ipv6_t { uint16_t x[8]; } ipv6_t; -typedef short length_t; +typedef uint16_t length_t; #define AF_UNKNOWN 255 @@ -77,9 +77,9 @@ typedef union sockaddr_t { #endif typedef struct vpn_packet_t { - length_t len; /* the actual number of bytes in the `data' field */ - int priority; /* priority or TOS */ - uint32_t seqno; /* 32 bits sequence number (network byte order of course) */ + length_t len; /* the actual number of bytes in the `data' field */ + int priority; /* priority or TOS */ + uint32_t seqno; /* 32 bits sequence number (network byte order of course) */ uint8_t data[MAXSIZE]; } vpn_packet_t; @@ -137,7 +137,7 @@ extern bool handle_new_meta_connection(int); extern int setup_listen_socket(const sockaddr_t *); extern int setup_vpn_in_socket(const sockaddr_t *); extern void send_packet(const struct node_t *, vpn_packet_t *); -extern void receive_tcppacket(struct connection_t *, const char *, int); +extern void receive_tcppacket(struct connection_t *, const char *, length_t); extern void broadcast_packet(const struct node_t *, vpn_packet_t *); extern char *get_name(void); extern bool setup_network(void); @@ -157,4 +157,4 @@ extern void load_all_subnets(void); extern CRITICAL_SECTION mutex; #endif -#endif /* __TINC_NET_H__ */ +#endif