sctp_timer.h File Reference

#include <sys/cdefs.h>

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Macros
#define	_NETINET_SCTP_TIMER_H_
#define	SCTP_RTT_SHIFT   3
#define	SCTP_RTT_VAR_SHIFT   2

Functions
	__FBSDID ("$FreeBSD$")
struct sctp_nets *	sctp_find_alternate_net (struct sctp_tcb *, struct sctp_nets *, int)
int	sctp_t3rxt_timer (struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *)
int	sctp_t1init_timer (struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *)
int	sctp_shutdown_timer (struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *)
int	sctp_heartbeat_timer (struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *)
int	sctp_cookie_timer (struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *)
void	sctp_pathmtu_timer (struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *)
int	sctp_shutdownack_timer (struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *)
int	sctp_strreset_timer (struct sctp_inpcb *, struct sctp_tcb *)
int	sctp_asconf_timer (struct sctp_inpcb *, struct sctp_tcb *, struct sctp_nets *)
void	sctp_delete_prim_timer (struct sctp_inpcb *, struct sctp_tcb *)
void	sctp_autoclose_timer (struct sctp_inpcb *, struct sctp_tcb *)
void	sctp_audit_retranmission_queue (struct sctp_association *)
void	sctp_iterator_timer (struct sctp_iterator *it)

Macro Definition Documentation

_NETINET_SCTP_TIMER_H_

#define _NETINET_SCTP_TIMER_H_

Definition at line 39 of file sctp_timer.h.

SCTP_RTT_SHIFT

#define SCTP_RTT_SHIFT   3

Definition at line 43 of file sctp_timer.h.

SCTP_RTT_VAR_SHIFT

#define SCTP_RTT_VAR_SHIFT   2

Definition at line 44 of file sctp_timer.h.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

sctp_asconf_timer()

int sctp_asconf_timer	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct sctp_nets *	net
	)

Definition at line 1181 of file sctp_timer.c.

References sctp_association::asconf_send_queue, sctp_tcb::asoc, CHUNK_FLAGS_FRAGMENT_OK, sctp_tmit_chunk::chunk_id, sctp_association::control_send_queue, sctp_nets::dest_state, sctp_tmit_chunk::flags, chk_id::id, sctp_association::max_send_times, sctp_tmit_chunk::rec, sctp_nets::ref_count, SCTP_ADDR_NOT_LOCKED, SCTP_ADDR_REACHABLE, sctp_asconf_cleanup(), sctp_backoff_on_timeout(), SCTP_DATAGRAM_RESEND, SCTP_DATAGRAM_UNSENT, SCTP_DEBUG_TIMER1, SCTP_ECN_ECHO, sctp_find_alternate_net(), sctp_free_remote_addr, sctp_move_chunks_from_net(), sctp_send_asconf(), sctp_threshold_management(), sctp_ucount_incr, SCTPDBG, sctp_tmit_chunk::sent, sctp_association::sent_queue_retran_cnt, sctp_tmit_chunk::snd_count, and sctp_tmit_chunk::whoTo.

Referenced by sctp_timeout_handler().

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sctp_audit_retranmission_queue()

void sctp_audit_retranmission_queue

(

struct sctp_association *

asoc

)

Definition at line 59 of file sctp_timer.c.

References sctp_association::asconf_send_queue, sctp_tmit_chunk::asoc, sctp_association::control_send_queue, SCTP_DATAGRAM_RESEND, SCTP_DEBUG_TIMER4, sctp_ucount_incr, SCTPDBG, sctp_tmit_chunk::sent, sctp_association::sent_queue, sctp_association::sent_queue_cnt, and sctp_association::sent_queue_retran_cnt.

sctp_autoclose_timer()

void sctp_autoclose_timer	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb
	)

Definition at line 1536 of file sctp_timer.c.

References sctp_association::alternate, sctp_tcb::asoc, sctp_association::primary_destination, sctp_association::sctp_autoclose_ticks, sctp_chunk_output(), sctp_tcb::sctp_ep, SCTP_GET_STATE, SCTP_GETTIME_TIMEVAL, sctp_is_feature_on, SCTP_OUTPUT_FROM_AUTOCLOSE_TMR, SCTP_PCB_FLAGS_AUTOCLOSE, sctp_secs_to_ticks(), sctp_send_shutdown(), SCTP_SET_STATE, SCTP_SO_NOT_LOCKED, SCTP_STAT_DECR_GAUGE32, SCTP_STATE_OPEN, SCTP_STATE_SHUTDOWN_RECEIVED, SCTP_STATE_SHUTDOWN_SENT, sctp_stop_timers_for_shutdown(), sctp_timer_start(), SCTP_TIMER_TYPE_AUTOCLOSE, SCTP_TIMER_TYPE_SHUTDOWN, SCTP_TIMER_TYPE_SHUTDOWNGUARD, sctp_association::send_queue, sctp_association::sent_queue, sctp_association::time_last_rcvd, and sctp_association::time_last_sent.

Referenced by sctp_timeout_handler().

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sctp_cookie_timer()

int sctp_cookie_timer	(	struct sctp_inpcb *	,
		struct sctp_tcb *	,
		struct sctp_nets *
	)

sctp_delete_prim_timer()

void sctp_delete_prim_timer	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb
	)

Definition at line 1279 of file sctp_timer.c.

References sctp_net_route::_l_addr, sctp_tcb::asoc, sctp_association::deleted_primary, sctp_nets::ro, sctp_sockstore::sa, SCTP_DEBUG_ASCONF1, sctp_free_remote_addr, sctp_mobility_feature_off, SCTP_MOBILITY_PRIM_DELETED, SCTPDBG, and SCTPDBG_ADDR.

Referenced by sctp_handle_heartbeat_ack(), sctp_process_asconf_set_primary(), and sctp_timeout_handler().

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sctp_find_alternate_net()

struct sctp_nets * sctp_find_alternate_net	(	struct sctp_tcb *	stcb,
		struct sctp_nets *	net,
		int	mode
	)

Definition at line 171 of file sctp_timer.c.

References sctp_net_route::_s_addr, sctp_tcb::asoc, sctp_nets::cwnd, sctp_nets::dest_state, sctp_nets::error_count, sctp_association::hb_ect_randombit, sctp_association::hb_random_idx, sctp_association::hb_random_values, sctp_nets::last_active, sctp_association::nets, sctp_association::numnets, sctp_nets::ro, sctp_net_route::ro_nh, SCTP_ADDR_BEING_DELETED, SCTP_ADDR_PF, SCTP_ADDR_REACHABLE, SCTP_ADDR_UNCONFIRMED, sctp_inpcb::sctp_ep, sctp_tcb::sctp_ep, sctp_free_ifa(), sctp_select_initial_TSN(), and sctp_nets::src_addr_selected.

Referenced by sctp_asconf_timer(), sctp_cookie_timer(), sctp_remove_net(), sctp_send_asconf_ack(), sctp_send_sack(), sctp_shutdown_timer(), sctp_shutdownack_timer(), sctp_strike_gap_ack_chunks(), sctp_strreset_timer(), sctp_t1init_timer(), and sctp_t3rxt_timer().

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sctp_heartbeat_timer()

int sctp_heartbeat_timer	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct sctp_nets *	net
	)

Definition at line 1413 of file sctp_timer.c.

References sctp_net_route::_s_addr, sctp_tcb::asoc, sctp_nets::dest_state, sctp_nets::hb_responded, sctp_nets::heart_beat_delay, sctp_nets::last_sent_time, sctp_association::max_send_times, sctp_stream_queue_pending::net, sctp_nets::partial_bytes_acked, sctp_nets::ro, SCTP_ADDR_NOHB, SCTP_ADDR_PF, sctp_audit_stream_queues_for_size(), sctp_backoff_on_timeout(), sctp_free_ifa(), SCTP_GETTIME_TIMEVAL, sctp_send_hb(), SCTP_SO_NOT_LOCKED, sctp_threshold_management(), sctp_association::send_queue, sctp_association::sent_queue, sctp_nets::src_addr_selected, and sctp_association::total_output_queue_size.

Referenced by sctp_timeout_handler().

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sctp_iterator_timer()

void sctp_iterator_timer

(

struct sctp_iterator *

it

)

sctp_pathmtu_timer()

void sctp_pathmtu_timer	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct sctp_nets *	net
	)

Definition at line 1476 of file sctp_timer.c.

References sctp_net_route::_l_addr, sctp_net_route::_s_addr, sctp_tcb::asoc, sctp_ifa::localifa_flags, MODULE_GLOBAL, sctp_nets::mtu, sctp_nets::port, sctp_nets::ro, sctp_net_route::ro_nh, sctp_sockstore::sa, SCTP_BEING_DELETED, sctp_free_ifa(), SCTP_GATHER_MTU_FROM_ROUTE, sctp_get_next_mtu(), sctp_source_address_selection(), sctp_timer_start(), SCTP_TIMER_TYPE_PATHMTURAISE, sctp_nets::src_addr_selected, and sctp_association::vrf_id.

Referenced by sctp_timeout_handler().

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sctp_shutdown_timer()

int sctp_shutdown_timer	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct sctp_nets *	net
	)

Definition at line 1301 of file sctp_timer.c.

References sctp_tcb::asoc, sctp_association::max_send_times, sctp_backoff_on_timeout(), sctp_find_alternate_net(), sctp_send_shutdown(), sctp_threshold_management(), sctp_timer_start(), and SCTP_TIMER_TYPE_SHUTDOWN.

Referenced by sctp_timeout_handler().

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sctp_shutdownack_timer()

int sctp_shutdownack_timer	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct sctp_nets *	net
	)

Definition at line 1324 of file sctp_timer.c.

References sctp_tcb::asoc, sctp_association::max_send_times, sctp_backoff_on_timeout(), sctp_find_alternate_net(), sctp_send_shutdown_ack(), sctp_threshold_management(), sctp_timer_start(), and SCTP_TIMER_TYPE_SHUTDOWNACK.

Referenced by sctp_timeout_handler().

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sctp_strreset_timer()

int sctp_strreset_timer	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb
	)

Definition at line 1118 of file sctp_timer.c.

References sctp_tcb::asoc, CHUNK_FLAGS_FRAGMENT_OK, sctp_association::control_send_queue, sctp_nets::dest_state, sctp_tmit_chunk::flags, sctp_association::max_send_times, sctp_nets::ref_count, SCTP_ADDR_REACHABLE, sctp_backoff_on_timeout(), SCTP_DATAGRAM_RESEND, SCTP_ECN_ECHO, sctp_find_alternate_net(), sctp_find_stream_reset(), sctp_free_remote_addr, sctp_move_chunks_from_net(), sctp_threshold_management(), sctp_timer_start(), SCTP_TIMER_TYPE_STRRESET, sctp_ucount_incr, sctp_tmit_chunk::sent, sctp_association::sent_queue_retran_cnt, sctp_association::str_reset_seq_out, sctp_association::stream_reset_outstanding, and sctp_tmit_chunk::whoTo.

Referenced by sctp_timeout_handler().

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sctp_t1init_timer()

int sctp_t1init_timer	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct sctp_nets *	net
	)

Definition at line 1005 of file sctp_timer.c.

References sctp_tcb::asoc, sctp_association::delayed_connection, sctp_association::dropped_special_cnt, sctp_association::initial_init_rto_max, sctp_association::max_init_times, sctp_association::numnets, sctp_association::primary_destination, sctp_nets::RTO, sctp_backoff_on_timeout(), sctp_find_alternate_net(), SCTP_GET_STATE, sctp_move_chunks_from_net(), sctp_send_initiate(), SCTP_SO_NOT_LOCKED, SCTP_STATE_COOKIE_WAIT, and sctp_threshold_management().

Referenced by sctp_timeout_handler().

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sctp_t3rxt_timer()

int sctp_t3rxt_timer	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct sctp_nets *	net
	)

Definition at line 816 of file sctp_timer.c.

References sctp_net_route::_s_addr, sctp_association::advanced_peer_ack_point, sctp_association::alternate, sctp_tcb::asoc, sctp_association::cc_functions, sctp_nets::cwnd, sctp_nets::dest_state, sctp_nets::failure_threshold, sctp_nets::fast_retran_loss_recovery, sctp_association::fast_retran_loss_recovery, sctp_nets::find_pseudo_cumack, sctp_nets::find_rtx_pseudo_cumack, sctp_nets::flight_size, sctp_association::last_acked_seq, sctp_nets::last_sent_time, sctp_association::max_send_times, sctp_nets::mtu, sctp_association::nets, sctp_association::peers_rwnd, sctp_nets::pf_threshold, sctp_association::primary_destination, sctp_association::prsctp_supported, sctp_nets::ref_count, sctp_nets::ro, sctp_nets::RTO, sctp_association::sat_t3_loss_recovery, sctp_association::sat_t3_recovery_tsn, SCTP_ADDR_PF, SCTP_ADDR_REACHABLE, sctp_backoff_on_timeout(), SCTP_BASE_SYSCTL, sctp_association::sctp_cmt_on_off, SCTP_CWND_LOG_FROM_RTX, SCTP_CWND_LOG_FROM_T3, SCTP_CWND_LOGGING_ENABLE, SCTP_CWND_MONITOR_ENABLE, sctp_cc_functions::sctp_cwnd_new_transmission_begins, sctp_tcb::sctp_ep, sctp_find_alternate_net(), SCTP_FR_LOGGING_ENABLE, SCTP_FR_T3_TIMEOUT, sctp_free_ifa(), sctp_free_remote_addr, SCTP_GET_STATE, SCTP_GETTIME_TIMEVAL, sctp_log_cwnd(), sctp_log_fr(), sctp_mark_all_for_resend(), sctp_move_chunks_from_net(), sctp_send_hb(), SCTP_SO_NOT_LOCKED, SCTP_STAT_INCR, SCTP_STATE_COOKIE_ECHOED, sctp_threshold_management(), sctp_timer_start(), SCTP_TIMER_TYPE_SEND, sctp_try_advance_peer_ack_point(), SCTP_TSN_GT, send_forward_tsn(), sctp_association::sending_seq, sctp_nets::src_addr_selected, sctp_association::total_flight, and sctp_tmit_chunk::whoTo.

Referenced by sctp_assoc_immediate_retrans(), and sctp_timeout_handler().

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