X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet.h;h=367ef714b933d5061f68435b2918010320617a45;hb=263d9903826ffb65aec89bdf5d46f72bd183d467;hp=8cf48e7d1d8a5b99c6ae45450327779dcaa30e2e;hpb=092d620dbb3fdc8226ea0a4e1cfd5cd53d608420;p=tinc diff --git a/src/net.h b/src/net.h index 8cf48e7d..367ef714 100644 --- a/src/net.h +++ b/src/net.h @@ -32,8 +32,8 @@ #define MTU 1518 /* 1500 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */ #endif -/* 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) +/* 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) /* 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) @@ -87,10 +87,18 @@ typedef union sockaddr_t { typedef struct vpn_packet_t { length_t len; /* the actual number of bytes in the `data' field */ int priority; /* priority or TOS */ - uint8_t seqno[4]; /* 32 bits sequence number (network byte order of course) */ + uint32_t seqno; /* 32 bits sequence number (network byte order of course) */ uint8_t data[MAXSIZE]; } vpn_packet_t; +typedef struct sptps_packet_t { + length_t len; /* the actual number of bytes in the `data' field */ + int priority; /* priority or TOS */ + node_id_t dstid; /* node ID of the final recipient */ + node_id_t srcid; /* node ID of the original sender */ + char data[MAXSIZE]; +} sptps_packet_t; + /* Packet types when using SPTPS */ #define PKT_COMPRESSED 1