1 #ifndef __NETNS_SCTP_H__
2 #define __NETNS_SCTP_H__
7 struct ctl_table_header;
10 DEFINE_SNMP_STAT(struct sctp_mib, sctp_statistics);
13 struct proc_dir_entry *proc_net_sctp;
16 struct ctl_table_header *sysctl_header;
18 /* This is the global socket data structure used for responding to
19 * the Out-of-the-blue (OOTB) packets. A control sock will be created
20 * for this socket at the initialization time.
22 struct sock *ctl_sock;
24 /* This is the global local address list.
25 * We actively maintain this complete list of addresses on
26 * the system by catching address add/delete events.
28 * It is a list of sctp_sockaddr_entry.
30 struct list_head local_addr_list;
31 struct list_head addr_waitq;
32 struct timer_list addr_wq_timer;
33 struct list_head auto_asconf_splist;
34 spinlock_t addr_wq_lock;
36 /* Lock that protects the local_addr_list writers */
37 spinlock_t local_addr_lock;
39 /* RFC2960 Section 14. Suggested SCTP Protocol Parameter Values
41 * The following protocol parameters are RECOMMENDED:
43 * RTO.Initial - 3 seconds
45 * RTO.Max - 60 seconds
46 * RTO.Alpha - 1/8 (3 when converted to right shifts.)
47 * RTO.Beta - 1/4 (2 when converted to right shifts.)
49 unsigned int rto_initial;
53 /* Note: rto_alpha and rto_beta are really defined as inverse
54 * powers of two to facilitate integer operations.
62 /* Whether Cookie Preservative is enabled(1) or not(0) */
63 int cookie_preserve_enable;
65 /* Valid.Cookie.Life - 60 seconds */
66 unsigned int valid_cookie_life;
68 /* Delayed SACK timeout 200ms default*/
69 unsigned int sack_timeout;
71 /* HB.interval - 30 seconds */
72 unsigned int hb_interval;
74 /* Association.Max.Retrans - 10 attempts
75 * Path.Max.Retrans - 5 attempts (per destination address)
76 * Max.Init.Retransmits - 8 attempts
78 int max_retrans_association;
81 /* Potentially-Failed.Max.Retrans sysctl value
83 * http://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05
88 * Policy for preforming sctp/socket accounting
89 * 0 - do socket level accounting, all assocs share sk_sndbuf
90 * 1 - do sctp accounting, each asoc may use sk_sndbuf bytes
95 * Policy for preforming sctp/socket accounting
96 * 0 - do socket level accounting, all assocs share sk_rcvbuf
97 * 1 - do sctp accounting, each asoc may use sk_rcvbuf bytes
101 int default_auto_asconf;
103 /* Flag to indicate if addip is enabled. */
107 /* Flag to indicate if PR-SCTP is enabled. */
110 /* Flag to idicate if SCTP-AUTH is enabled */
114 * Policy to control SCTP IPv4 address scoping
115 * 0 - Disable IPv4 address scoping
116 * 1 - Enable IPv4 address scoping
117 * 2 - Selectively allow only IPv4 private addresses
118 * 3 - Selectively allow only IPv4 link local address
122 /* Threshold for rwnd update SACKS. Receive buffer shifted this many
123 * bits is an indicator of when to send and window update SACK.
127 /* Threshold for autoclose timeout, in seconds. */
128 unsigned long max_autoclose;
131 #endif /* __NETNS_SCTP_H__ */