/* The SCTP globals structure. */
extern struct sctp_globals {
- /* RFC2960 Section 14. Suggested SCTP Protocol Parameter Values
- *
- * The following protocol parameters are RECOMMENDED:
- *
- * RTO.Initial - 3 seconds
- * RTO.Min - 1 second
- * RTO.Max - 60 seconds
- * RTO.Alpha - 1/8 (3 when converted to right shifts.)
- * RTO.Beta - 1/4 (2 when converted to right shifts.)
- */
- unsigned int rto_initial;
- unsigned int rto_min;
- unsigned int rto_max;
-
- /* Note: rto_alpha and rto_beta are really defined as inverse
- * powers of two to facilitate integer operations.
- */
- int rto_alpha;
- int rto_beta;
-
- /* Max.Burst - 4 */
- int max_burst;
-
- /* Whether Cookie Preservative is enabled(1) or not(0) */
- int cookie_preserve_enable;
-
- /* Valid.Cookie.Life - 60 seconds */
- unsigned int valid_cookie_life;
-
- /* Delayed SACK timeout 200ms default*/
- unsigned int sack_timeout;
-
- /* HB.interval - 30 seconds */
- unsigned int hb_interval;
-
- /* Association.Max.Retrans - 10 attempts
- * Path.Max.Retrans - 5 attempts (per destination address)
- * Max.Init.Retransmits - 8 attempts
- */
- int max_retrans_association;
- int max_retrans_path;
- int max_retrans_init;
-
- /* Potentially-Failed.Max.Retrans sysctl value
- * taken from:
- * http://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05
- */
- int pf_retrans;
-
- /*
- * Policy for preforming sctp/socket accounting
- * 0 - do socket level accounting, all assocs share sk_sndbuf
- * 1 - do sctp accounting, each asoc may use sk_sndbuf bytes
- */
- int sndbuf_policy;
-
- /*
- * Policy for preforming sctp/socket accounting
- * 0 - do socket level accounting, all assocs share sk_rcvbuf
- * 1 - do sctp accounting, each asoc may use sk_rcvbuf bytes
- */
- int rcvbuf_policy;
-
/* The following variables are implementation specific. */
/* Default initialization values to be applied to new associations. */
int port_hashsize;
struct sctp_bind_hashbucket *port_hashtable;
- int default_auto_asconf;
-
- /* Flag to indicate if addip is enabled. */
- int addip_enable;
- int addip_noauth_enable;
-
- /* Flag to indicate if PR-SCTP is enabled. */
- int prsctp_enable;
-
- /* Flag to idicate if SCTP-AUTH is enabled */
- int auth_enable;
-
- /*
- * Policy to control SCTP IPv4 address scoping
- * 0 - Disable IPv4 address scoping
- * 1 - Enable IPv4 address scoping
- * 2 - Selectively allow only IPv4 private addresses
- * 3 - Selectively allow only IPv4 link local address
- */
- int ipv4_scope_policy;
-
/* Flag to indicate whether computing and verifying checksum
* is disabled. */
bool checksum_disable;
-
- /* Threshold for rwnd update SACKS. Receive buffer shifted this many
- * bits is an indicator of when to send and window update SACK.
- */
- int rwnd_update_shift;
-
- /* Threshold for autoclose timeout, in seconds. */
- unsigned long max_autoclose;
} sctp_globals;
-#define sctp_rto_initial (sctp_globals.rto_initial)
-#define sctp_rto_min (sctp_globals.rto_min)
-#define sctp_rto_max (sctp_globals.rto_max)
-#define sctp_rto_alpha (sctp_globals.rto_alpha)
-#define sctp_rto_beta (sctp_globals.rto_beta)
-#define sctp_max_burst (sctp_globals.max_burst)
-#define sctp_valid_cookie_life (sctp_globals.valid_cookie_life)
-#define sctp_cookie_preserve_enable (sctp_globals.cookie_preserve_enable)
-#define sctp_max_retrans_association (sctp_globals.max_retrans_association)
-#define sctp_sndbuf_policy (sctp_globals.sndbuf_policy)
-#define sctp_rcvbuf_policy (sctp_globals.rcvbuf_policy)
-#define sctp_max_retrans_path (sctp_globals.max_retrans_path)
-#define sctp_pf_retrans (sctp_globals.pf_retrans)
-#define sctp_max_retrans_init (sctp_globals.max_retrans_init)
-#define sctp_sack_timeout (sctp_globals.sack_timeout)
-#define sctp_hb_interval (sctp_globals.hb_interval)
#define sctp_max_instreams (sctp_globals.max_instreams)
#define sctp_max_outstreams (sctp_globals.max_outstreams)
#define sctp_address_families (sctp_globals.address_families)
#define sctp_assoc_hashtable (sctp_globals.assoc_hashtable)
#define sctp_port_hashsize (sctp_globals.port_hashsize)
#define sctp_port_hashtable (sctp_globals.port_hashtable)
-#define sctp_default_auto_asconf (sctp_globals.default_auto_asconf)
-#define sctp_scope_policy (sctp_globals.ipv4_scope_policy)
-#define sctp_addip_enable (sctp_globals.addip_enable)
-#define sctp_addip_noauth (sctp_globals.addip_noauth_enable)
-#define sctp_prsctp_enable (sctp_globals.prsctp_enable)
-#define sctp_auth_enable (sctp_globals.auth_enable)
#define sctp_checksum_disable (sctp_globals.checksum_disable)
-#define sctp_rwnd_upd_shift (sctp_globals.rwnd_update_shift)
-#define sctp_max_autoclose (sctp_globals.max_autoclose)
/* SCTP Socket type: UDP or TCP style. */
typedef enum {
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