#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 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__ */ 'left'>AuthorFilesLines