#ifndef __NETNS_SCTP_H__
#define __NETNS_SCTP_H__
struct sock;
struct proc_dir_entry;
struct sctp_mib;
struct ctl_table_header;
struct netns_sctp {
DEFINE_SNMP_STAT(struct sctp_mib, sctp_statistics);
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc_net_sctp;
#endif
#ifdef CONFIG_SYSCTL
struct ctl_table_header *sysctl_header;
#endif
/* This is the global socket data structure used for responding to
* the Out-of-the-blue (OOTB) packets. A control sock will be created
* for this socket at the initialization time.
*/
struct sock *ctl_sock;
/* This is the global local address list.
* We actively maintain this complete list of addresses on
* the system by catching address add/delete events.
*
* It is a list of sctp_sockaddr_entry.
*/
struct list_head local_addr_list;
struct list_head addr_waitq;
struct timer_list addr_wq_timer;
struct list_head auto_asconf_splist;
/* Lock that protects both addr_waitq and auto_asconf_splist */
spinlock_t addr_wq_lock;
/* Lock that protects the local_addr_list writers */
spinlock_t local_addr_lock;
/* 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;
/* The namespace default hmac alg */
char *sctp_hmac_alg;
/* 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;
/*
* Disable Potentially-Failed feature, the feature is enabled by default
* pf_enable - 0 : disable pf
* - >0 : enable pf
*/
int pf_enable;
/*
* 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;
int default_auto_asconf;
/* Flag to indicate if addip is enabled. */
int addip_enable;
int addip_noauth;
/* Flag to indicate if PR-SCTP is enabled. */
int prsctp_enable;
/* Flag to indicate if PR-CONFIG is enabled. */
int reconf_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 scope_policy;
/* Threshold for rwnd update SACKS. Receive buffer shifted this many
* bits is an indicator of when to send and window update SACK.
*/
int rwnd_upd_shift;
/* Threshold for autoclose timeout, in seconds. */
unsigned long max_autoclose;
};
#endif /* __NETNS_SCTP_H__ */
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