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 /* Lock that protects both addr_waitq and auto_asconf_splist */
35 spinlock_t addr_wq_lock;
37 /* Lock that protects the local_addr_list writers */
38 spinlock_t local_addr_lock;
40 /* RFC2960 Section 14. Suggested SCTP Protocol Parameter Values
42 * The following protocol parameters are RECOMMENDED:
44 * RTO.Initial - 3 seconds
46 * RTO.Max - 60 seconds
47 * RTO.Alpha - 1/8 (3 when converted to right shifts.)
48 * RTO.Beta - 1/4 (2 when converted to right shifts.)
50 unsigned int rto_initial;
54 /* Note: rto_alpha and rto_beta are really defined as inverse
55 * powers of two to facilitate integer operations.
63 /* Whether Cookie Preservative is enabled(1) or not(0) */
64 int cookie_preserve_enable;
66 /* The namespace default hmac alg */
69 /* Valid.Cookie.Life - 60 seconds */
70 unsigned int valid_cookie_life;
72 /* Delayed SACK timeout 200ms default*/
73 unsigned int sack_timeout;
75 /* HB.interval - 30 seconds */
76 unsigned int hb_interval;
78 /* Association.Max.Retrans - 10 attempts
79 * Path.Max.Retrans - 5 attempts (per destination address)
80 * Max.Init.Retransmits - 8 attempts
82 int max_retrans_association;
85 /* Potentially-Failed.Max.Retrans sysctl value
87 * http://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05
92 * Disable Potentially-Failed feature, the feature is enabled by default
93 * pf_enable - 0 : disable pf
99 * Policy for preforming sctp/socket accounting
100 * 0 - do socket level accounting, all assocs share sk_sndbuf
101 * 1 - do sctp accounting, each asoc may use sk_sndbuf bytes
106 * Policy for preforming sctp/socket accounting
107 * 0 - do socket level accounting, all assocs share sk_rcvbuf
108 * 1 - do sctp accounting, each asoc may use sk_rcvbuf bytes
112 int default_auto_asconf;
114 /* Flag to indicate if addip is enabled. */
118 /* Flag to indicate if PR-SCTP is enabled. */
121 /* Flag to idicate if SCTP-AUTH is enabled */
125 * Policy to control SCTP IPv4 address scoping
126 * 0 - Disable IPv4 address scoping
127 * 1 - Enable IPv4 address scoping
128 * 2 - Selectively allow only IPv4 private addresses
129 * 3 - Selectively allow only IPv4 link local address
133 /* Threshold for rwnd update SACKS. Receive buffer shifted this many
134 * bits is an indicator of when to send and window update SACK.
138 /* Threshold for autoclose timeout, in seconds. */
139 unsigned long max_autoclose;
142 #endif /* __NETNS_SCTP_H__ */