cregit-Linux how code gets into the kernel

Release 4.12 include/net/netns/sctp.h

#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__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Eric W. Biedermann18092.78%660.00%
Neil Horman52.58%110.00%
Xin Long42.06%110.00%
Zhu Yanjun42.06%110.00%
Marcelo Ricardo Leitner10.52%110.00%
Total194100.00%10100.00%
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