X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=23b8caef8a3426d08863ba63dd073f25d2489458;hp=59877771c491c077fc3ebe535334354d62f6a324;hb=d917c8cb6b69475d568ccbe82389b9f2b3eb5e80;hpb=58f4b845b9a7d83739af77337f2ce263d8df7838 diff --git a/src/net.h b/src/net.h index 59877771..23b8caef 100644 --- a/src/net.h +++ b/src/net.h @@ -26,15 +26,18 @@ #include "digest.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 + CIPHER_MAX_BLOCK_SIZE + DIGEST_MAX_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 */ +/* MAXSIZE is the maximum size of an encapsulated packet: MTU + seqno + padding + HMAC + compressor overhead */ +#define MAXSIZE (MTU + 4 + CIPHER_MAX_BLOCK_SIZE + DIGEST_MAX_SIZE + MTU/64 + 20) -#define MAXSOCKETS 8 /* Probably overkill... */ +/* MAXBUFSIZE is the maximum size of a request: enough for a MAXSIZEd packet or a 8192 bits RSA key */ +#define MAXBUFSIZE ((MAXSIZE > 2048 ? MAXSIZE : 2048) + 128) + +#define MAXSOCKETS 8 /* Probably overkill... */ typedef struct mac_t { uint8_t x[6]; @@ -77,9 +80,9 @@ 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; @@ -194,4 +197,4 @@ extern void load_all_subnets(void); extern CRITICAL_SECTION mutex; #endif -#endif /* __TINC_NET_H__ */ +#endif /* __TINC_NET_H__ */