X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Fnet%2Fsctp%2Fconstants.h;h=fefcba67bd1edc7b8c863472755afe95c925c8d2;hb=70ec75c5b8e0bda7a16fb387f91e08545f379a0e;hp=5ddb85599863ae79edae4e93f0b5e97b60db736b;hpb=b361735043e3001eadb1d40916fd1a4fca1a9363;p=linux-2.6-omap-h63xx.git diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h index 5ddb8559986..fefcba67bd1 100644 --- a/include/net/sctp/constants.h +++ b/include/net/sctp/constants.h @@ -64,12 +64,18 @@ enum { SCTP_DEFAULT_INSTREAMS = SCTP_MAX_STREAM }; #define SCTP_CID_MAX SCTP_CID_ASCONF_ACK #define SCTP_NUM_BASE_CHUNK_TYPES (SCTP_CID_BASE_MAX + 1) -#define SCTP_NUM_CHUNK_TYPES (SCTP_NUM_BASE_CHUNKTYPES + 2) #define SCTP_NUM_ADDIP_CHUNK_TYPES 2 #define SCTP_NUM_PRSCTP_CHUNK_TYPES 1 +#define SCTP_NUM_AUTH_CHUNK_TYPES 1 + +#define SCTP_NUM_CHUNK_TYPES (SCTP_NUM_BASE_CHUNK_TYPES + \ + SCTP_NUM_ADDIP_CHUNK_TYPES +\ + SCTP_NUM_PRSCTP_CHUNK_TYPES +\ + SCTP_NUM_AUTH_CHUNK_TYPES) + /* These are the different flavours of event. */ typedef enum { @@ -177,7 +183,11 @@ typedef enum { SCTP_IERROR_NO_DATA, SCTP_IERROR_BAD_STREAM, SCTP_IERROR_BAD_PORTS, - + SCTP_IERROR_AUTH_BAD_HMAC, + SCTP_IERROR_AUTH_BAD_KEYID, + SCTP_IERROR_PROTO_VIOLATION, + SCTP_IERROR_ERROR, + SCTP_IERROR_ABORT, } sctp_ierror_t; @@ -283,7 +293,7 @@ enum { SCTP_MAX_GABS = 16 }; #define SCTP_RTO_BETA 2 /* 1/4 when converted to right shifts. */ /* Maximum number of new data packets that can be sent in a burst. */ -#define SCTP_MAX_BURST 4 +#define SCTP_DEFAULT_MAX_BURST 4 #define SCTP_CLOCK_GRANULARITY 1 /* 1 jiffy */ @@ -355,36 +365,12 @@ typedef enum { * Also, RFC 8.4, non-unicast addresses are not considered valid SCTP * addresses. */ -#define IS_IPV4_UNUSABLE_ADDRESS(a) \ - ((htonl(INADDR_BROADCAST) == *a) || \ - (MULTICAST(*a)) || \ - (((unsigned char *)(a))[0] == 0) || \ - ((((unsigned char *)(a))[0] == 198) && \ - (((unsigned char *)(a))[1] == 18) && \ - (((unsigned char *)(a))[2] == 0)) || \ - ((((unsigned char *)(a))[0] == 192) && \ - (((unsigned char *)(a))[1] == 88) && \ - (((unsigned char *)(a))[2] == 99))) - -/* IPv4 Link-local addresses: 169.254.0.0/16. */ -#define IS_IPV4_LINK_ADDRESS(a) \ - ((((unsigned char *)(a))[0] == 169) && \ - (((unsigned char *)(a))[1] == 254)) - -/* RFC 1918 "Address Allocation for Private Internets" defines the IPv4 - * private address space as the following: - * - * 10.0.0.0 - 10.255.255.255 (10/8 prefix) - * 172.16.0.0.0 - 172.31.255.255 (172.16/12 prefix) - * 192.168.0.0 - 192.168.255.255 (192.168/16 prefix) - */ -#define IS_IPV4_PRIVATE_ADDRESS(a) \ - ((((unsigned char *)(a))[0] == 10) || \ - ((((unsigned char *)(a))[0] == 172) && \ - (((unsigned char *)(a))[1] >= 16) && \ - (((unsigned char *)(a))[1] < 32)) || \ - ((((unsigned char *)(a))[0] == 192) && \ - (((unsigned char *)(a))[1] == 168))) +#define IS_IPV4_UNUSABLE_ADDRESS(a) \ + ((htonl(INADDR_BROADCAST) == a) || \ + ipv4_is_multicast(a) || \ + ipv4_is_zeronet(a) || \ + ipv4_is_test_198(a) || \ + ipv4_is_anycast_6to4(a)) /* Flags used for the bind address copy functions. */ #define SCTP_ADDR6_ALLOWED 0x00000001 /* IPv6 address is allowed by @@ -399,6 +385,7 @@ typedef enum { SCTP_RTXR_T3_RTX, SCTP_RTXR_FAST_RTX, SCTP_RTXR_PMTUD, + SCTP_RTXR_T1_RTX, } sctp_retransmit_reason_t; /* Reasons to lower cwnd. */ @@ -409,4 +396,48 @@ typedef enum { SCTP_LOWER_CWND_INACTIVE, } sctp_lower_cwnd_t; + +/* SCTP-AUTH Necessary constants */ + +/* SCTP-AUTH, Section 3.3 + * + * The following Table 2 shows the currently defined values for HMAC + * identifiers. + * + * +-----------------+--------------------------+ + * | HMAC Identifier | Message Digest Algorithm | + * +-----------------+--------------------------+ + * | 0 | Reserved | + * | 1 | SHA-1 defined in [8] | + * | 2 | Reserved | + * | 3 | SHA-256 defined in [8] | + * +-----------------+--------------------------+ + */ +enum { + SCTP_AUTH_HMAC_ID_RESERVED_0, + SCTP_AUTH_HMAC_ID_SHA1, + SCTP_AUTH_HMAC_ID_RESERVED_2, +#if defined (CONFIG_CRYPTO_SHA256) || defined (CONFIG_CRYPTO_SHA256_MODULE) + SCTP_AUTH_HMAC_ID_SHA256, +#endif + __SCTP_AUTH_HMAC_MAX +}; + +#define SCTP_AUTH_HMAC_ID_MAX __SCTP_AUTH_HMAC_MAX - 1 +#define SCTP_AUTH_NUM_HMACS __SCTP_AUTH_HMAC_MAX +#define SCTP_SHA1_SIG_SIZE 20 +#define SCTP_SHA256_SIG_SIZE 32 + +/* SCTP-AUTH, Section 3.2 + * The chunk types for INIT, INIT-ACK, SHUTDOWN-COMPLETE and AUTH chunks + * MUST NOT be listed in the CHUNKS parameter + */ +#define SCTP_NUM_NOAUTH_CHUNKS 4 +#define SCTP_AUTH_MAX_CHUNKS (SCTP_NUM_CHUNK_TYPES - SCTP_NUM_NOAUTH_CHUNKS) + +/* SCTP-AUTH Section 6.1 + * The RANDOM parameter MUST contain a 32 byte random number. + */ +#define SCTP_AUTH_RANDOM_LENGTH 32 + #endif /* __sctp_constants_h__ */