#ifndef __sctp_constants_h__
#define __sctp_constants_h__
-#include <linux/tcp.h> /* For TCP states used in sctp_sock_state_t */
#include <linux/sctp.h>
#include <linux/ipv6.h> /* For ipv6hdr. */
#include <net/sctp/user.h>
+#include <net/tcp_states.h> /* For TCP states used in sctp_sock_state_t */
/* Value used for stream negotiation. */
enum { SCTP_MAX_STREAM = 0xffff };
#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 {
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;
enum { SCTP_MAX_GABS = 16 };
/* Heartbeat interval - 30 secs */
-#define SCTP_DEFAULT_TIMEOUT_HEARTBEAT (30 * HZ)
+#define SCTP_DEFAULT_TIMEOUT_HEARTBEAT (30*1000)
/* Delayed sack timer - 200ms */
-#define SCTP_DEFAULT_TIMEOUT_SACK ((200 * HZ) / 1000)
+#define SCTP_DEFAULT_TIMEOUT_SACK (200)
/* RTO.Initial - 3 seconds
* RTO.Min - 1 second
* RTO.Alpha - 1/8
* RTO.Beta - 1/4
*/
-#define SCTP_RTO_INITIAL (3 * HZ)
-#define SCTP_RTO_MIN (1 * HZ)
-#define SCTP_RTO_MAX (60 * HZ)
+#define SCTP_RTO_INITIAL (3 * 1000)
+#define SCTP_RTO_MIN (1 * 1000)
+#define SCTP_RTO_MAX (60 * 1000)
#define SCTP_RTO_ALPHA 3 /* 1/8 when converted to right shifts. */
#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 */
#define SCTP_DEF_MAX_INIT 6
#define SCTP_DEF_MAX_SEND 10
-#define SCTP_DEFAULT_COOKIE_LIFE_SEC 60 /* seconds */
-#define SCTP_DEFAULT_COOKIE_LIFE_USEC 0 /* microseconds */
+#define SCTP_DEFAULT_COOKIE_LIFE (60 * 1000) /* 60 seconds */
#define SCTP_DEFAULT_MINWINDOW 1500 /* default minimum rwnd size */
#define SCTP_DEFAULT_MAXWINDOW 65535 /* default rwnd size */
*/
#if defined (CONFIG_SCTP_HMAC_MD5)
-#define SCTP_COOKIE_HMAC_ALG "md5"
+#define SCTP_COOKIE_HMAC_ALG "hmac(md5)"
#elif defined (CONFIG_SCTP_HMAC_SHA1)
-#define SCTP_COOKIE_HMAC_ALG "sha1"
+#define SCTP_COOKIE_HMAC_ALG "hmac(sha1)"
#else
#define SCTP_COOKIE_HMAC_ALG NULL
#endif
* Also, RFC 8.4, non-unicast addresses are not considered valid SCTP
* addresses.
*/
-#define IS_IPV4_UNUSABLE_ADDRESS(a) \
- ((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
SCTP_RTXR_T3_RTX,
SCTP_RTXR_FAST_RTX,
SCTP_RTXR_PMTUD,
+ SCTP_RTXR_T1_RTX,
} sctp_retransmit_reason_t;
/* Reasons to lower cwnd. */
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__ */
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