#include <sys/cdefs.h>
#include <netinet/sctp_os.h>
#include <netinet/sctp.h>
#include <netinet/sctp_constants.h>
#include <netinet/sctp_sysctl.h>
#include <netinet/sctp_structs.h>
#include <netinet/sctp_auth.h>
#include <netinet/sctp_lock_bsd.h>

Include dependency graph for sctp_pcb.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	sctp_vrf

struct	sctp_ifn

struct	sctp_ifa

struct	sctp_laddr

struct	sctp_block_entry

struct	sctp_timewait

struct	sctp_tagblock

struct	sctp_epinfo

struct	sctp_base_info

struct	sctp_pcb

struct	sctp_pcbtsn_rlog

struct	sctp_inpcb

struct	sctp_tcb

Macros
#define	_NETINET_SCTP_PCB_H_

#define	SCTP_PCBHASH_ALLADDR(port, mask) (port & mask)

#define	SCTP_PCBHASH_ASOC(tag, mask) (tag & mask)

#define	SCTP_ADDR_VALID 0x00000001 /* its up and active */

#define	SCTP_BEING_DELETED

#define	SCTP_ADDR_DEFER_USE 0x00000004 /* Hold off using this one */

#define	SCTP_ADDR_IFA_UNUSEABLE 0x00000008

#define	SCTP_ALIGNMENT 32

#define	SCTP_ALIGNM1 (SCTP_ALIGNMENT-1)

#define	sctp_lport ip_inp.inp.inp_lport

#define	SCTP_READ_LOG_SIZE 135 /* we choose the number to make a pcb a page */

#define	SCTP_DONT_INITIALIZE_AUTH_PARAMS 0

#define	SCTP_INITIALIZE_AUTH_PARAMS 1

Functions
	__FBSDID ("$FreeBSD$")

	LIST_HEAD (sctppcbhead, sctp_inpcb)

	LIST_HEAD (sctpasochead, sctp_tcb)

	LIST_HEAD (sctpladdr, sctp_laddr)

	LIST_HEAD (sctpvtaghead, sctp_tagblock)

	LIST_HEAD (sctp_vrflist, sctp_vrf)

	LIST_HEAD (sctp_ifnlist, sctp_ifn)

	LIST_HEAD (sctp_ifalist, sctp_ifa)

	TAILQ_HEAD (sctp_readhead, sctp_queued_to_read)

	TAILQ_HEAD (sctp_streamhead, sctp_stream_queue_pending)

	VNET_DECLARE (struct sctp_base_info, system_base_info)

void	sctp_fill_pcbinfo (struct sctp_pcbinfo *)

struct sctp_ifn *	sctp_find_ifn (void *ifn, uint32_t ifn_index)

struct sctp_vrf *	sctp_allocate_vrf (int vrfid)

struct sctp_vrf *	sctp_find_vrf (uint32_t vrfid)

void	sctp_free_vrf (struct sctp_vrf *vrf)

void	sctp_mark_ifa_addr_down (uint32_t vrf_id, struct sockaddr addr, const char if_name, uint32_t ifn_index)

void	sctp_mark_ifa_addr_up (uint32_t vrf_id, struct sockaddr addr, const char if_name, uint32_t ifn_index)

struct sctp_ifa *	sctp_add_addr_to_vrf (uint32_t vrfid, void ifn, uint32_t ifn_index, uint32_t ifn_type, const char if_name, void ifa, struct sockaddr addr, uint32_t ifa_flags, int dynamic_add)

void	sctp_update_ifn_mtu (uint32_t ifn_index, uint32_t mtu)

void	sctp_free_ifn (struct sctp_ifn *sctp_ifnp)

void	sctp_free_ifa (struct sctp_ifa *sctp_ifap)

void	sctp_del_addr_from_vrf (uint32_t vrfid, struct sockaddr addr, uint32_t ifn_index, const char if_name)

struct sctp_nets *	sctp_findnet (struct sctp_tcb , struct sockaddr )

struct sctp_inpcb *	sctp_pcb_findep (struct sockaddr *, int, int, uint32_t)

int	sctp_inpcb_bind (struct socket , struct sockaddr , struct sctp_ifa , struct thread )

int	sctp_inpcb_bind_locked (struct sctp_inpcb , struct sockaddr , struct sctp_ifa , struct thread )

struct sctp_tcb *	sctp_findassociation_addr (struct mbuf , int, struct sockaddr , struct sockaddr , struct sctphdr , struct sctp_chunkhdr , struct sctp_inpcb , struct sctp_nets *, uint32_t vrf_id)

struct sctp_tcb *	sctp_findassociation_addr_sa (struct sockaddr , struct sockaddr , struct sctp_inpcb , struct sctp_nets , int, uint32_t)

void	sctp_move_pcb_and_assoc (struct sctp_inpcb , struct sctp_inpcb , struct sctp_tcb *)

struct sctp_tcb *	sctp_findassociation_ep_addr (struct sctp_inpcb *, struct sockaddr , struct sctp_nets *, struct sockaddr , struct sctp_tcb *)

struct sctp_tcb *	sctp_findasoc_ep_asocid_locked (struct sctp_inpcb *inp, sctp_assoc_t asoc_id, int want_lock)

struct sctp_tcb *	sctp_findassociation_ep_asocid (struct sctp_inpcb *, sctp_assoc_t, int)

struct sctp_tcb *	sctp_findassociation_ep_asconf (struct mbuf , int, struct sockaddr , struct sctphdr , struct sctp_inpcb , struct sctp_nets *, uint32_t vrf_id)

int	sctp_inpcb_alloc (struct socket *so, uint32_t vrf_id)

int	sctp_is_address_on_local_host (struct sockaddr *addr, uint32_t vrf_id)

void	sctp_inpcb_free (struct sctp_inpcb *, int, int)

struct sctp_tcb *	sctp_aloc_assoc (struct sctp_inpcb , struct sockaddr , int , uint32_t, uint32_t, uint32_t, uint16_t, uint16_t, struct thread , int)

struct sctp_tcb *	sctp_aloc_assoc_connected (struct sctp_inpcb , struct sockaddr , int , uint32_t, uint32_t, uint32_t, uint16_t, uint16_t, struct thread , int)

int	sctp_free_assoc (struct sctp_inpcb , struct sctp_tcb , int, int)

void	sctp_add_local_addr_ep (struct sctp_inpcb , struct sctp_ifa , uint32_t)

void	sctp_del_local_addr_ep (struct sctp_inpcb , struct sctp_ifa )

int	sctp_add_remote_addr (struct sctp_tcb , struct sockaddr , struct sctp_nets **, uint16_t, int, int)

void	sctp_remove_net (struct sctp_tcb , struct sctp_nets )

int	sctp_del_remote_addr (struct sctp_tcb , struct sockaddr )

void	sctp_pcb_init (void)

void	sctp_pcb_finish (void)

void	sctp_add_local_addr_restricted (struct sctp_tcb , struct sctp_ifa )

void	sctp_del_local_addr_restricted (struct sctp_tcb , struct sctp_ifa )

int	sctp_load_addresses_from_init (struct sctp_tcb , struct mbuf , int, int, struct sockaddr , struct sockaddr , struct sockaddr *, uint16_t)

int	sctp_set_primary_addr (struct sctp_tcb , struct sockaddr , struct sctp_nets *)

bool	sctp_is_vtag_good (uint32_t, uint16_t lport, uint16_t rport, struct timeval *)

int	sctp_destination_is_reachable (struct sctp_tcb , struct sockaddr )

int	sctp_swap_inpcb_for_listen (struct sctp_inpcb *inp)

void	sctp_clean_up_stream (struct sctp_tcb stcb, struct sctp_readhead rh)

int	sctp_initiate_iterator (inp_func inpf, asoc_func af, inp_func inpe, uint32_t, uint32_t, uint32_t, void , uint32_t, end_func ef, struct sctp_inpcb , uint8_t co_off)

Macro Definition Documentation

◆ _NETINET_SCTP_PCB_H_

#define _NETINET_SCTP_PCB_H_

Definition at line 39 of file sctp_pcb.h.

◆ SCTP_ADDR_DEFER_USE

#define SCTP_ADDR_DEFER_USE 0x00000004 /* Hold off using this one */

Definition at line 95 of file sctp_pcb.h.

◆ SCTP_ADDR_IFA_UNUSEABLE

#define SCTP_ADDR_IFA_UNUSEABLE 0x00000008

Definition at line 96 of file sctp_pcb.h.

◆ SCTP_ADDR_VALID

#define SCTP_ADDR_VALID 0x00000001 /* its up and active */

Definition at line 93 of file sctp_pcb.h.

◆ SCTP_ALIGNM1

#define SCTP_ALIGNM1 (SCTP_ALIGNMENT-1)

Definition at line 336 of file sctp_pcb.h.

◆ SCTP_ALIGNMENT

#define SCTP_ALIGNMENT 32

Definition at line 332 of file sctp_pcb.h.

◆ SCTP_BEING_DELETED

#define SCTP_BEING_DELETED

Value:

                                                 0x00000002     /* being deleted, when
                                                 * refcount = 0. Note that it
                                                 * is pulled from the ifn list
                                                 * and ifa_p is nulled right
                                                 * away but it cannot be freed
                                                 * until the last *net
                                                 * pointing to it is deleted. */

Definition at line 94 of file sctp_pcb.h.

◆ SCTP_DONT_INITIALIZE_AUTH_PARAMS

#define SCTP_DONT_INITIALIZE_AUTH_PARAMS 0

Definition at line 567 of file sctp_pcb.h.

◆ SCTP_INITIALIZE_AUTH_PARAMS

#define SCTP_INITIALIZE_AUTH_PARAMS 1

Definition at line 568 of file sctp_pcb.h.

◆ sctp_lport

#define sctp_lport ip_inp.inp.inp_lport

Definition at line 339 of file sctp_pcb.h.

◆ SCTP_PCBHASH_ALLADDR

#define SCTP_PCBHASH_ALLADDR	(	port,
		mask
	)	(port & mask)

Definition at line 59 of file sctp_pcb.h.

◆ SCTP_PCBHASH_ASOC

#define SCTP_PCBHASH_ASOC	(	tag,
		mask
	)	(tag & mask)

Definition at line 60 of file sctp_pcb.h.

◆ SCTP_READ_LOG_SIZE

#define SCTP_READ_LOG_SIZE 135 /* we choose the number to make a pcb a page */

Definition at line 348 of file sctp_pcb.h.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ LIST_HEAD() [1/7]

LIST_HEAD	(	sctp_ifalist	,
		sctp_ifa
	)

◆ LIST_HEAD() [2/7]

LIST_HEAD	(	sctp_ifnlist	,
		sctp_ifn
	)

◆ LIST_HEAD() [3/7]

LIST_HEAD	(	sctp_vrflist	,
		sctp_vrf
	)

◆ LIST_HEAD() [4/7]

LIST_HEAD	(	sctpasochead	,
		sctp_tcb
	)

◆ LIST_HEAD() [5/7]

LIST_HEAD	(	sctpladdr	,
		sctp_laddr
	)

◆ LIST_HEAD() [6/7]

LIST_HEAD	(	sctppcbhead	,
		sctp_inpcb
	)

◆ LIST_HEAD() [7/7]

LIST_HEAD	(	sctpvtaghead	,
		sctp_tagblock
	)

◆ sctp_add_addr_to_vrf()

struct sctp_ifa * sctp_add_addr_to_vrf	(	uint32_t	vrfid,
		void *	ifn,
		uint32_t	ifn_index,
		uint32_t	ifn_type,
		const char *	if_name,
		void *	ifa,
		struct sockaddr *	addr,
		uint32_t	ifa_flags,
		int	dynamic_add
	)

Definition at line 474 of file sctp_pcb.c.

References sctp_laddr::action, sctp_ifa::address, sctp_ifa::flags, sctp_ifa::ifa, sctp_laddr::ifa, sctp_ifn::ifa_count, sctp_ifn::ifalist, sctp_ifn::ifn_index, sctp_ifn::ifn_mtu, sctp_ifn::ifn_name, sctp_ifn::ifn_p, sctp_ifa::ifn_p, sctp_ifn::ifn_type, sctp_vrf::ifnlist, IN4_ISLOOPBACK_ADDRESS, IN4_ISPRIVATE_ADDRESS, sctp_ifa::localifa_flags, sctp_ifn::num_v4, sctp_ifn::num_v6, sctp_vrf::refcount, sctp_ifn::refcount, sctp_ifa::refcount, sctp_ifn::registered_af, sctp_sockstore::sa, sctp_add_ifa_to_ifn(), SCTP_ADD_IP_ADDRESS, SCTP_ADDR_DEFER_USE, SCTP_ADDR_LOCKED, SCTP_ADDR_VALID, sctp_allocate_vrf(), SCTP_BASE_INFO, SCTP_BEING_DELETED, SCTP_DEBUG_PCB4, sctp_del_addr_from_vrf(), sctp_delete_ifn(), sctp_find_ifa_by_addr(), sctp_find_ifn(), sctp_find_vrf(), SCTP_FREE, SCTP_GATHER_MTU_FROM_IFN_INFO, sctp_get_ifa_hash_val(), SCTP_GETTIME_TIMEVAL, SCTP_IFN_IS_IFT_LOOP, SCTP_IFNAMSIZ, SCTP_INCR_LADDR_COUNT, SCTP_IPI_ADDR_WLOCK, SCTP_IPI_ADDR_WUNLOCK, SCTP_MALLOC, sctp_remove_ifa_from_ifn(), SCTP_SNPRINTF, sctp_timer_start(), SCTP_TIMER_TYPE_ADDR_WQ, SCTP_WQ_ADDR_LOCK, SCTP_WQ_ADDR_UNLOCK, SCTP_ZONE_GET, SCTPDBG, SCTPDBG_ADDR, sctp_sockstore::sin, sctp_sockstore::sin6, sockaddr_in::sin_addr, sctp_ifa::src_is_glob, sctp_ifa::src_is_loop, sctp_ifa::src_is_priv, sctp_laddr::start_time, sctp_vrf::total_ifa_count, sctp_ifn::vrf, sctp_vrf::vrf_addr_hash, sctp_vrf::vrf_addr_hashmark, sctp_vrf::vrf_id, and sctp_ifa::vrf_id.

Referenced by sctp_addr_change(), and sctp_init_ifns_for_vrf().

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◆ sctp_add_local_addr_ep()

void sctp_add_local_addr_ep	(	struct sctp_inpcb *	inp,
		struct sctp_ifa *	ifa,
		uint32_t	action
	)

Definition at line 5321 of file sctp_pcb.c.

References sctp_ifa::address, sctp_laddr::ifa, sctp_inpcb::inp, INP_IPV4, INP_IPV6, inpcb::inp_vflag, sctp_inpcb::ip_inp, sctp_inpcb::laddr_count, sctp_ifa::localifa_flags, sctp_sockstore::sa, sctp_add_local_addr_restricted(), SCTP_ADDR_IFA_UNUSEABLE, sctp_inpcb::sctp_addr_list, sctp_inpcb::sctp_asoc_list, sctp_inpcb::sctp_flags, sctp_insert_laddr(), and SCTP_PCB_FLAGS_BOUNDALL.

Referenced by sctp_addr_mgmt_ep_sa().

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◆ sctp_add_local_addr_restricted()

void sctp_add_local_addr_restricted	(	struct sctp_tcb *	stcb,
		struct sctp_ifa *	ifa
	)

Definition at line 5477 of file sctp_pcb.c.

References sctp_ifa::address, sctp_tcb::asoc, sctp_laddr::ifa, sctp_ifa::localifa_flags, sctp_sockstore::sa, SCTP_ADDR_IFA_UNUSEABLE, sctp_insert_laddr(), and sctp_association::sctp_restricted_addrs.

Referenced by sctp_add_local_addr_ep(), sctp_addr_mgmt_assoc(), sctp_asconf_iterator_stcb(), and sctp_choose_boundall().

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◆ sctp_add_remote_addr()

int sctp_add_remote_addr	(	struct sctp_tcb *	stcb,
		struct sockaddr *	newaddr,
		struct sctp_nets **	netp,
		uint16_t	port,
		int	set_scope,
		int	from
	)

Definition at line 3721 of file sctp_pcb.c.

Referenced by sctp_aloc_assoc_locked(), sctp_connectx_helper_add(), sctp_handle_cookie_echo(), sctp_load_addresses_from_init(), sctp_process_asconf_add_ip(), and sctp_process_cmsgs_for_init().

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◆ sctp_allocate_vrf()

struct sctp_vrf * sctp_allocate_vrf ( int vrfid )

Definition at line 145 of file sctp_pcb.c.

References bucket, sctp_vrf::ifnlist, sctp_vrf::refcount, SCTP_BASE_INFO, sctp_find_vrf(), SCTP_FREE, SCTP_HASH_INIT, SCTP_INIT_VRF_TABLEID, SCTP_MALLOC, SCTP_VRF_ADDR_HASH_SIZE, sctp_vrf::total_ifa_count, sctp_vrf::vrf_addr_hash, sctp_vrf::vrf_addr_hashmark, and sctp_vrf::vrf_id.

Referenced by sctp_add_addr_to_vrf(), and sctp_init_vrf_list().

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◆ sctp_aloc_assoc()

struct sctp_tcb * sctp_aloc_assoc	(	struct sctp_inpcb *	inp,
		struct sockaddr *	firstaddr,
		int *	error,
		uint32_t	override_tag,
		uint32_t	initial_tsn,
		uint32_t	vrf_id,
		uint16_t	o_streams,
		uint16_t	port,
		struct thread *	p,
		int	initialize_auth_params
	)

Definition at line 4400 of file sctp_pcb.c.

References sctp_aloc_assoc_locked(), SCTP_INP_INFO_WLOCK, SCTP_INP_INFO_WUNLOCK, SCTP_INP_WLOCK, and SCTP_INP_WUNLOCK.

Referenced by sctp_process_cookie_new().

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◆ sctp_aloc_assoc_connected()

struct sctp_tcb * sctp_aloc_assoc_connected	(	struct sctp_inpcb *	inp,
		struct sockaddr *	firstaddr,
		int *	error,
		uint32_t	override_tag,
		uint32_t	initial_tsn,
		uint32_t	vrf_id,
		uint16_t	o_streams,
		uint16_t	port,
		struct thread *	p,
		int	initialize_auth_params
	)

Definition at line 4418 of file sctp_pcb.c.

References sctp_aloc_assoc_locked(), sctp_inpcb::sctp_flags, SCTP_INP_INFO_WLOCK, SCTP_INP_INFO_WUNLOCK, SCTP_INP_WLOCK, SCTP_INP_WUNLOCK, SCTP_IS_LISTENING, SCTP_PCB_FLAGS_CONNECTED, SCTP_PCB_FLAGS_TCPTYPE, and sctp_inpcb::sctp_socket.

Referenced by sctp_do_connect_x(), and sctp_lower_sosend().

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◆ sctp_clean_up_stream()

void sctp_clean_up_stream	(	struct sctp_tcb *	stcb,
		struct sctp_readhead *	rh
	)

Definition at line 4641 of file sctp_pcb.c.

References sctp_tmit_chunk::auth_keyid, sctp_tmit_chunk::data, sctp_queued_to_read::data, sctp_tmit_chunk::holds_key_ref, sctp_queued_to_read::on_read_q, sctp_queued_to_read::on_strm_q, sctp_queued_to_read::reasm, sctp_auth_key_release(), SCTP_BASE_INFO, SCTP_DECR_CHK_COUNT, sctp_free_a_readq, sctp_free_remote_addr, sctp_m_freem, SCTP_SO_LOCKED, SCTP_ZONE_FREE, sctp_queued_to_read::stcb, sctp_queued_to_read::whoFrom, and sctp_tmit_chunk::whoTo.

Referenced by sctp_free_assoc(), and sctp_process_init().

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◆ sctp_del_addr_from_vrf()

void sctp_del_addr_from_vrf	(	uint32_t	vrfid,
		struct sockaddr *	addr,
		uint32_t	ifn_index,
		const char *	if_name
	)

Definition at line 718 of file sctp_pcb.c.

References sctp_laddr::action, sctp_laddr::ifa, sctp_ifn::ifn_index, sctp_ifn::ifn_name, sctp_ifa::ifn_p, SCTP_ADDR_LOCKED, SCTP_ADDR_VALID, SCTP_BASE_INFO, SCTP_DEBUG_PCB1, SCTP_DEBUG_PCB4, SCTP_DEL_IP_ADDRESS, sctp_find_ifa_by_addr(), sctp_find_vrf(), sctp_free_ifa(), SCTP_GETTIME_TIMEVAL, SCTP_IFNAMSIZ, SCTP_INCR_LADDR_COUNT, SCTP_IPI_ADDR_WLOCK, SCTP_IPI_ADDR_WUNLOCK, sctp_remove_ifa_from_ifn(), sctp_timer_start(), SCTP_TIMER_TYPE_ADDR_WQ, SCTP_WQ_ADDR_LOCK, SCTP_WQ_ADDR_UNLOCK, SCTP_ZONE_GET, SCTPDBG, SCTPDBG_ADDR, sctp_laddr::start_time, sctp_vrf::total_ifa_count, sctp_vrf::vrf_id, and sctp_ifa::vrf_id.

Referenced by sctp_add_addr_to_vrf(), and sctp_addr_change().

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◆ sctp_del_local_addr_ep()

void sctp_del_local_addr_ep	(	struct sctp_inpcb *	inp,
		struct sctp_ifa *	ifa
	)

Definition at line 5405 of file sctp_pcb.c.

References sctp_net_route::_s_addr, sctp_tcb::asoc, sctp_laddr::ifa, sctp_inpcb::laddr_count, sctp_association::last_used_address, sctp_association::nets, sctp_inpcb::next_addr_touse, sctp_nets::ro, sctp_inpcb::sctp_addr_list, sctp_inpcb::sctp_asoc_list, sctp_inpcb::sctp_flags, sctp_free_ifa(), SCTP_PCB_FLAGS_BOUNDALL, sctp_remove_laddr(), SCTP_TCB_LOCK, SCTP_TCB_UNLOCK, sctp_update_ep_vflag(), and sctp_nets::src_addr_selected.

Referenced by sctp_addr_mgmt_ep_sa(), and sctp_asconf_iterator_ep_end().

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◆ sctp_del_local_addr_restricted()

void sctp_del_local_addr_restricted	(	struct sctp_tcb *	stcb,
		struct sctp_ifa *	ifa
	)

Definition at line 5512 of file sctp_pcb.c.

References sctp_tcb::asoc, sctp_laddr::ifa, sctp_inpcb::inp, sctp_inpcb::laddr_count, sctp_tcb::sctp_ep, sctp_inpcb::sctp_flags, sctp_is_feature_off, SCTP_PCB_FLAGS_BOUNDALL, SCTP_PCB_FLAGS_DO_ASCONF, sctp_remove_laddr(), and sctp_association::sctp_restricted_addrs.

Referenced by sctp_asconf_addr_mgmt_ack(), sctp_asconf_queue_mgmt(), and sctp_asconf_queue_sa_delete().

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◆ sctp_del_remote_addr()

int sctp_del_remote_addr	(	struct sctp_tcb *	stcb,
		struct sockaddr *	remaddr
	)

Definition at line 4517 of file sctp_pcb.c.

References sctp_net_route::_l_addr, sctp_tcb::asoc, sctp_association::nets, sctp_association::numnets, sctp_nets::ro, sctp_sockstore::sa, sctp_cmpaddr(), and sctp_remove_net().

Referenced by sctp_process_asconf_delete_ip().

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◆ sctp_destination_is_reachable()

int sctp_destination_is_reachable	(	struct sctp_tcb *	stcb,
		struct sockaddr *	destaddr
	)

Definition at line 5233 of file sctp_pcb.c.

References sctp_inpcb::inp, INP_IPV4, INP_IPV6, inpcb::inp_vflag, sctp_tcb::sctp_ep, and SCTP_PCB_FLAGS_BOUNDALL.

Referenced by sctp_select_primary_destination().

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◆ sctp_fill_pcbinfo()

void sctp_fill_pcbinfo ( struct sctp_pcbinfo * spcb )

Definition at line 81 of file sctp_pcb.c.

References sctp_pcbinfo::asoc_count, sctp_pcbinfo::chk_count, sctp_pcbinfo::ep_count, sctp_pcbinfo::free_chunks, sctp_pcbinfo::laddr_count, sctp_pcbinfo::raddr_count, sctp_pcbinfo::readq_count, SCTP_BASE_INFO, SCTP_INP_INFO_RLOCK, SCTP_INP_INFO_RUNLOCK, and sctp_pcbinfo::stream_oque.

Referenced by sctp_getopt().

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◆ sctp_find_ifn()

struct sctp_ifn * sctp_find_ifn	(	void *	ifn,
		uint32_t	ifn_index
	)

Definition at line 193 of file sctp_pcb.c.

References sctp_ifn::ifn_index, sctp_ifn::ifn_p, SCTP_BASE_INFO, and SCTP_IPI_ADDR_LOCK_ASSERT.

Referenced by sctp_add_addr_to_vrf(), sctp_choose_boundall(), sctp_choose_boundspecific_inp(), sctp_choose_boundspecific_stcb(), sctp_delete_ifn(), and sctp_update_ifn_mtu().

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◆ sctp_find_vrf()

struct sctp_vrf * sctp_find_vrf ( uint32_t vrfid )

Definition at line 216 of file sctp_pcb.c.

References bucket, SCTP_BASE_INFO, and sctp_vrf::vrf_id.

Referenced by sctp_add_addr_to_vrf(), sctp_add_addresses_to_i_ia(), sctp_allocate_vrf(), sctp_asconf_send_nat_state_update(), sctp_check_address_list_all(), sctp_choose_boundall(), sctp_choose_boundspecific_inp(), sctp_choose_boundspecific_stcb(), sctp_del_addr_from_vrf(), sctp_does_stcb_own_this_addr(), sctp_fill_up_addresses_vrf(), sctp_find_ifa_by_addr(), sctp_find_valid_localaddr(), sctp_local_addr_count(), sctp_mark_ifa_addr_down(), sctp_mark_ifa_addr_up(), sctp_max_size_addresses_vrf(), sctp_sysctl_copy_out_local_addresses(), and sctp_sysctl_number_of_addresses().

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◆ sctp_findasoc_ep_asocid_locked()

struct sctp_tcb * sctp_findasoc_ep_asocid_locked	(	struct sctp_inpcb *	inp,
		sctp_assoc_t	asoc_id,
		int	want_lock
	)

Definition at line 1540 of file sctp_pcb.c.

References sctp_tcb::asoc, sctp_association::assoc_id, sctp_inpcb::hashasocidmark, id, sctp_inpcb::sctp_asocidhash, sctp_tcb::sctp_ep, sctp_inpcb::sctp_flags, SCTP_PCB_FLAGS_SOCKET_ALLGONE, SCTP_PCBHASH_ASOC, SCTP_PRINTF, SCTP_STATE_ABOUT_TO_BE_FREED, SCTP_TCB_LOCK, and sctp_association::state.

Referenced by sctp_aloc_a_assoc_id(), and sctp_findassociation_ep_asocid().

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◆ sctp_findassociation_addr()

struct sctp_tcb * sctp_findassociation_addr	(	struct mbuf *	m,
		int	offset,
		struct sockaddr *	src,
		struct sockaddr *	dst,
		struct sctphdr *	sh,
		struct sctp_chunkhdr *	ch,
		struct sctp_inpcb **	inp_p,
		struct sctp_nets **	netp,
		uint32_t	vrf_id
	)

Definition at line 2213 of file sctp_pcb.c.

References sctp_chunkhdr::chunk_type, sctphdr::dest_port, sctp_inpcb::inp, SCTP_DEBUG_PCB1, sctp_findassoc_by_vtag(), sctp_findassociation_addr_sa(), sctp_findassociation_special_addr(), SCTP_INITIATION, SCTP_INITIATION_ACK, SCTP_PCB_FLAGS_IN_TCPPOOL, SCTPDBG, sctphdr::src_port, and sctphdr::v_tag.

Referenced by sctp_common_input_processing().

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◆ sctp_findassociation_addr_sa()

struct sctp_tcb * sctp_findassociation_addr_sa	(	struct sockaddr *	from,
		struct sockaddr *	to,
		struct sctp_inpcb **	inp_p,
		struct sctp_nets **	netp,
		int	find_tcp_pool,
		uint32_t	vrf_id
	)

Definition at line 1969 of file sctp_pcb.c.

References sctp_inpcb::inp, sctp_findassociation_ep_addr(), SCTP_INP_INFO_RLOCK, SCTP_INP_INFO_RUNLOCK, sctp_pcb_findep(), and sctp_tcb_special_locate().

Referenced by sctp_findassociation_addr(), and sctp_getcred().

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◆ sctp_findassociation_ep_addr()

struct sctp_tcb * sctp_findassociation_ep_addr	(	struct sctp_inpcb **	inp_p,
		struct sockaddr *	remote,
		struct sctp_nets **	netp,
		struct sockaddr *	local,
		struct sctp_tcb *	locked_tcb
	)

Definition at line 1259 of file sctp_pcb.c.

References sctp_net_route::_l_addr, sctp_tcb::asoc, sctp_inpcb::def_vrf_id, sctp_inpcb::inp, sctp_association::nets, sctp_association::refcnt, sctp_nets::ro, sctp_tcb::rport, in_addr::s_addr, sctp_sockstore::sa, sctp_inpcb::sctp_asoc_list, sctp_does_stcb_own_this_addr(), sctp_tcb::sctp_ep, sctp_inpcb::sctp_flags, sctp_inpcb::sctp_hashmark, SCTP_INP_DECR_REF, SCTP_INP_INFO_RLOCK, SCTP_INP_INFO_RUNLOCK, SCTP_INP_RLOCK, SCTP_INP_RUNLOCK, SCTP_INP_WLOCK, SCTP_INP_WUNLOCK, SCTP_IS_LISTENING, SCTP_PCB_FLAGS_IN_TCPPOOL, SCTP_PCB_FLAGS_SOCKET_ALLGONE, SCTP_PCB_FLAGS_TCPTYPE, SCTP_PCBHASH_ALLADDR, sctp_inpcb::sctp_socket, SCTP_STATE_ABOUT_TO_BE_FREED, SCTP_TCB_LOCK, sctp_tcb_special_locate(), SCTP_TCB_UNLOCK, sctp_inpcb::sctp_tcbhash, sockaddr_in::sin_addr, and sctp_association::state.

Referenced by sctp_connectx_helper_find(), sctp_findassociation_addr_sa(), sctp_findassociation_ep_asconf(), sctp_findassociation_special_addr(), sctp_getopt(), sctp_handle_cookie_echo(), sctp_load_addresses_from_init(), sctp_lower_sosend(), and sctp_setopt().

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◆ sctp_findassociation_ep_asconf()

struct sctp_tcb * sctp_findassociation_ep_asconf	(	struct mbuf *	m,
		int	offset,
		struct sockaddr *	dst,
		struct sctphdr *	sh,
		struct sctp_inpcb **	inp_p,
		struct sctp_nets **	netp,
		uint32_t	vrf_id
	)

Definition at line 2273 of file sctp_pcb.c.

References sctp_ipv4addr_param::addr, sctp_ipv6addr_param::addr, sctphdr::dest_port, INADDR_ANY, sctp_paramhdr::param_length, sctp_paramhdr::param_type, sctp_ipv4addr_param::ph, sctp_ipv6addr_param::ph, in_addr::s_addr, sctp_sockstore::sa, SCTP_DEBUG_INPUT3, sctp_findassoc_by_vtag(), sctp_findassociation_ep_addr(), sctp_get_next_param(), SCTP_INP_DECR_REF, SCTP_IPV4_ADDRESS, SCTP_IPV6_ADDRESS, SCTPDBG, sctp_sockstore::sin, sctp_sockstore::sin6, sockaddr_in::sin_addr, sockaddr_in::sin_family, sockaddr_in::sin_len, sockaddr_in::sin_port, sctphdr::src_port, and sctphdr::v_tag.

Referenced by sctp_process_control().

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◆ sctp_findassociation_ep_asocid()

struct sctp_tcb * sctp_findassociation_ep_asocid	(	struct sctp_inpcb *	inp,
		sctp_assoc_t	asoc_id,
		int	want_lock
	)

Definition at line 1583 of file sctp_pcb.c.

References sctp_findasoc_ep_asocid_locked(), SCTP_INP_RLOCK, and SCTP_INP_RUNLOCK.

Referenced by sctp_can_peel_off(), sctp_do_peeloff(), and sctp_lower_sosend().

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◆ sctp_findnet()

struct sctp_nets * sctp_findnet	(	struct sctp_tcb *	stcb,
		struct sockaddr *	addr
	)

Definition at line 3690 of file sctp_pcb.c.

References sctp_net_route::_l_addr, sctp_tcb::asoc, sctp_association::nets, sctp_nets::ro, and sctp_cmpaddr().

Referenced by sctp_add_remote_addr(), sctp_asconf_del_remote_addrs_except(), sctp_findassoc_by_vtag(), sctp_getopt(), sctp_handle_asconf(), sctp_handle_cookie_echo(), sctp_handle_heartbeat_ack(), sctp_lower_sosend(), sctp_process_cookie_new(), sctp_set_primary_addr(), and sctp_setopt().

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◆ sctp_free_assoc()

int sctp_free_assoc	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		int	from_inpcbfree,
		int	from_location
	)

Definition at line 4689 of file sctp_pcb.c.

Referenced by sctp_abort_an_association(), sctp_abort_association(), sctp_accept(), sctp_connectx_helper_add(), sctp_disconnect(), sctp_handle_abort(), sctp_handle_cookie_echo(), sctp_handle_error(), sctp_handle_shutdown_ack(), sctp_handle_shutdown_complete(), sctp_inpcb_free(), sctp_lower_sosend(), sctp_process_control(), sctp_process_cookie_new(), and sctp_timeout_handler().

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◆ sctp_free_ifa()

void sctp_free_ifa ( struct sctp_ifa * sctp_ifap )

Definition at line 270 of file sctp_pcb.c.

References sctp_ifa::ifn_p, sctp_ifa::refcount, SCTP_BASE_INFO, SCTP_DECREMENT_AND_CHECK_REFCOUNT, SCTP_FREE, and sctp_free_ifn().

Referenced by sctp_asconf_iterator_end(), sctp_asconf_iterator_stcb(), sctp_asconf_nets_cleanup(), sctp_asconf_process_param_ack(), sctp_asconf_queue_add(), sctp_asconf_queue_mgmt(), sctp_asconf_queue_sa_delete(), sctp_del_addr_from_vrf(), sctp_del_local_addr_ep(), sctp_find_alternate_net(), sctp_heartbeat_timer(), sctp_lowlevel_chunk_output(), sctp_path_check_and_react(), sctp_pathmtu_timer(), sctp_remove_laddr(), and sctp_t3rxt_timer().

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◆ sctp_free_ifn()

void sctp_free_ifn ( struct sctp_ifn * sctp_ifnp )

Definition at line 246 of file sctp_pcb.c.

References sctp_ifn::refcount, SCTP_BASE_INFO, SCTP_DECREMENT_AND_CHECK_REFCOUNT, SCTP_FREE, sctp_free_vrf(), and sctp_ifn::vrf.

Referenced by sctp_delete_ifn(), sctp_free_ifa(), and sctp_remove_ifa_from_ifn().

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◆ sctp_free_vrf()

void sctp_free_vrf ( struct sctp_vrf * vrf )

Definition at line 231 of file sctp_pcb.c.

References sctp_vrf::refcount, SCTP_BASE_INFO, SCTP_DECREMENT_AND_CHECK_REFCOUNT, SCTP_FREE, SCTP_HASH_FREE, sctp_vrf::vrf_addr_hash, and sctp_vrf::vrf_addr_hashmark.

Referenced by sctp_free_ifn().

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◆ sctp_initiate_iterator()

int sctp_initiate_iterator	(	inp_func	inpf,
		asoc_func	af,
		inp_func	inpe,
		uint32_t	pcb_state,
		uint32_t	pcb_features,
		uint32_t	asoc_state,
		void *	argp,
		uint32_t	argi,
		end_func	ef,
		struct sctp_inpcb *	s_inp,
		uint8_t	co_off
	)

Definition at line 7007 of file sctp_pcb.c.

References sctp_iterator::asoc_state, sctp_iterator::done_current_ep, sctp_iterator::function_assoc, sctp_iterator::function_atend, sctp_iterator::function_inp, sctp_iterator::function_inp_end, sctp_iterator::inp, sctp_iterator::iterator_flags, iterator_control::iterator_running, iterator_control::iteratorhead, sctp_iterator::no_chunk_output, sctp_iterator::pcb_features, sctp_iterator::pcb_flags, sctp_iterator::pointer, SCTP_BASE_INFO, SCTP_BASE_VAR, SCTP_FREE, SCTP_FROM_SCTP_PCB, SCTP_INP_INCR_REF, SCTP_INP_INFO_RLOCK, SCTP_INP_INFO_RUNLOCK, SCTP_IPI_ITERATOR_WQ_LOCK, SCTP_IPI_ITERATOR_WQ_UNLOCK, sctp_it_ctl, SCTP_ITERATOR_DO_ALL_INP, SCTP_ITERATOR_DO_SINGLE_INP, SCTP_LTRACE_ERR_RET, SCTP_MALLOC, SCTP_PRINTF, sctp_wakeup_iterator(), sctp_iterator::val, and sctp_iterator::vn.

Referenced by sctp_addr_mgmt_ep_sa(), sctp_handle_addr_wq(), and sctp_sendall().

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◆ sctp_inpcb_alloc()

int sctp_inpcb_alloc	(	struct socket *	so,
		uint32_t	vrf_id
	)

Definition at line 2379 of file sctp_pcb.c.

References sctp_pcb::adaptation_layer_indicator, sctp_pcb::adaptation_layer_indicator_provided, sctp_inpcb::asconf_supported, sctp_inpcb::auth_supported, sctp_pcb::def_cookie_life, sctp_pcb::def_net_failure, sctp_pcb::def_net_pf_threshold, sctp_inpcb::def_vrf_id, sctp_pcb::default_dscp, sctp_pcb::default_mtu, sctp_inpcb::ecn_supported, sctp_inpcb::fibnum, sctp_pcb::fr_max_burst, sctp_inpcb::hashasocidmark, sctp_inpcb::idata_supported, IN6P_AUTOFLOWLABEL, IN6P_IPV6_V6ONLY, sctp_pcb::initial_init_rto_max, sctp_pcb::initial_rto, sctp_inpcb::inp, inpcb::inp_cred, inpcb::inp_flags, inpcb::inp_ip_ttl, inpcb::inp_lock, INP_SOCKAF, inpcb::inp_socket, sctp_inpcb::ip_inp, sctp_pcb::local_auth_chunks, sctp_pcb::local_hmacs, sctp_pcb::max_burst, sctp_inpcb::max_cwnd, sctp_pcb::max_init_times, sctp_pcb::max_open_streams_intome, sctp_pcb::max_send_times, MODULE_GLOBAL, sctp_inpcb::nrsack_supported, sctp_inpcb::partial_delivery_point, sctp_inpcb::pktdrop_supported, sctp_pcb::port, sctp_pcb::pre_open_stream_count, sctp_inpcb::prsctp_supported, sctp_pcb::random_counter, sctp_pcb::random_numbers, sctp_inpcb::read_queue, sctp_inpcb::reconfig_supported, sctp_inpcb::sctp_addr_list, sctp_alloc_chunklist(), sctp_alloc_sharedkey(), SCTP_ASCONF, SCTP_ASCONF_ACK, SCTP_ASOC_CREATE_LOCK_INIT, sctp_inpcb::sctp_asoc_list, sctp_inpcb::sctp_asocidhash, sctp_inpcb::sctp_associd_counter, sctp_auth_add_chunk(), SCTP_BASE_INFO, SCTP_BASE_SYSCTL, SCTP_CLEAR_SO_NBIO, sctp_inpcb::sctp_cmt_on_off, sctp_pcb::sctp_default_cc_module, sctp_pcb::sctp_default_ss_module, sctp_default_supported_hmaclist(), sctp_inpcb::sctp_ep, sctp_feature_off, sctp_feature_on, sctp_fill_random_store(), sctp_inpcb::sctp_flags, SCTP_FRAG_LEVEL_0, SCTP_FRAG_LEVEL_1, SCTP_FRAG_LEVEL_2, sctp_inpcb::sctp_frag_point, SCTP_FROM_SCTP_PCB, SCTP_GETTIME_TIMEVAL, SCTP_HASH_INIT, sctp_inpcb::sctp_hashmark, SCTP_INCR_EP_COUNT, SCTP_INIT_SEC, SCTP_INP_INFO_WLOCK, SCTP_INP_INFO_WUNLOCK, SCTP_INP_LOCK_INIT, SCTP_INP_READ_INIT, SCTP_INP_WLOCK, SCTP_INP_WUNLOCK, sctp_insert_sharedkey(), sctp_log_closing(), SCTP_LTRACE_ERR_RET, sctp_pcb::sctp_maxrto, sctp_pcb::sctp_minrto, sctp_msecs_to_ticks(), SCTP_NUMBER_OF_SECRETS, SCTP_OS_TIMER_INIT, SCTP_PARTIAL_DELIVERY_SHIFT, SCTP_PCB_FLAGS_FRAG_INTERLEAVE, SCTP_PCB_FLAGS_INTERLEAVE_STRMS, SCTP_PCB_FLAGS_TCPTYPE, SCTP_PCB_FLAGS_UDPTYPE, SCTP_PCB_FLAGS_UNBOUND, SCTP_PRINTF, SCTP_READ_RANDOM, sctp_pcb::sctp_sack_freq, SCTP_SB_LIMIT_RCV, sctp_secs_to_ticks(), sctp_select_initial_TSN(), SCTP_SEND_SEC, SCTP_SIGNATURE_SIZE, SCTP_SO_TYPE, sctp_inpcb::sctp_socket, SCTP_STACK_VTAG_HASH_SIZE, sctp_pcb::sctp_sws_receiver, SCTP_SWS_RECEIVER_DEF, sctp_pcb::sctp_sws_sender, SCTP_SWS_SENDER_DEF, sctp_inpcb::sctp_tcbhash, sctp_pcb::sctp_timeoutticks, SCTP_TIMER_HEARTBEAT, SCTP_TIMER_INIT, SCTP_TIMER_MAXSHUTDOWN, SCTP_TIMER_PMTU, SCTP_TIMER_RECV, SCTP_TIMER_SEND, SCTP_TIMER_SIGNATURE, sctp_timer_start(), SCTP_TIMER_TYPE_NEWCOOKIE, SCTP_ZONE_FREE, SCTP_ZONE_GET, sctp_pcb::secret_key, sctp_pcb::shared_keys, sctp_pcb::signature_change, sctp_pcb::size_of_a_cookie, sctp_pcb::store_at, sctp_pcb::time_of_secret_change, sctp_timer::timer, and sctp_timer::type.

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◆ sctp_inpcb_bind()

int sctp_inpcb_bind	(	struct socket *	so,
		struct sockaddr *	addr,
		struct sctp_ifa *	sctp_ifap,
		struct thread *	td
	)

Definition at line 3225 of file sctp_pcb.c.

References sctp_inpcb::inp, SCTP_INP_INFO_WLOCK, SCTP_INP_INFO_WUNLOCK, SCTP_INP_WLOCK, SCTP_INP_WUNLOCK, and sctp_inpcb_bind_locked().

Referenced by sctp_bindx_add_address(), and sctp_do_connect_x().

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◆ sctp_inpcb_bind_locked()

int sctp_inpcb_bind_locked	(	struct sctp_inpcb *	inp,
		struct sockaddr *	addr,
		struct sctp_ifa *	sctp_ifap,
		struct thread *	td
	)

Definition at line 2824 of file sctp_pcb.c.

References count, sctp_inpcb::def_vrf_id, sctp_ifa::ifa, INADDR_ANY, sctp_inpcb::inp, inpcb::inp_flags, INP_HIGHPORT, INP_LOWPORT, sctp_inpcb::ip_inp, sctp_inpcb::laddr_count, sctp_ifa::localifa_flags, MODULE_GLOBAL, prison_local_ip4(), in_addr::s_addr, sctp_sockstore::sa, SCTP_ADDR_IFA_UNUSEABLE, sctp_inpcb::sctp_addr_list, SCTP_ADDR_NOT_LOCKED, SCTP_BASE_INFO, SCTP_BASE_SYSCTL, SCTP_DEBUG_PCB1, sctp_inpcb::sctp_ep, sctp_feature_off, sctp_feature_on, sctp_find_ifa_by_addr(), sctp_inpcb::sctp_flags, SCTP_FROM_SCTP_PCB, SCTP_INP_DECR_REF, SCTP_INP_INCR_REF, SCTP_INP_INFO_WLOCK_ASSERT, SCTP_INP_WLOCK, SCTP_INP_WLOCK_ASSERT, SCTP_INP_WUNLOCK, sctp_insert_laddr(), SCTP_IPV6_V6ONLY, sctp_is_feature_on, sctp_isport_inuse(), SCTP_LTRACE_ERR_RET, SCTP_MOBILITY_BASE, SCTP_MOBILITY_FASTHANDOFF, sctp_mobility_feature_off, sctp_mobility_feature_on, SCTP_MOBILITY_PRIM_DELETED, sctp_pcb_findep(), SCTP_PCB_FLAGS_AUTO_ASCONF, SCTP_PCB_FLAGS_BOUNDALL, SCTP_PCB_FLAGS_DO_ASCONF, SCTP_PCB_FLAGS_IN_TCPPOOL, SCTP_PCB_FLAGS_MULTIPLE_ASCONFS, SCTP_PCB_FLAGS_PORTREUSE, SCTP_PCB_FLAGS_SOCKET_ALLGONE, SCTP_PCB_FLAGS_SOCKET_GONE, SCTP_PCB_FLAGS_UNBOUND, SCTP_PCBHASH_ALLADDR, sctp_select_initial_TSN(), SCTPDBG, SCTPDBG_ADDR, sctp_sockstore::sin, sctp_sockstore::sin6, sockaddr_in::sin_addr, and sockaddr_in::sin_port.

Referenced by sctp_aloc_assoc_locked(), sctp_inpcb_bind(), and sctp_listen().

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◆ sctp_inpcb_free()

void sctp_inpcb_free	(	struct sctp_inpcb *	inp,
		int	immediate,
		int	from
	)

Definition at line 3311 of file sctp_pcb.c.

Referenced by sctp_abort_an_association(), sctp_close(), sctp_free_assoc(), sctp_handle_ootb(), and sctp_timeout_handler().

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◆ sctp_is_address_on_local_host()

int sctp_is_address_on_local_host	(	struct sockaddr *	addr,
		uint32_t	vrf_id
	)

Definition at line 3703 of file sctp_pcb.c.

References SCTP_ADDR_NOT_LOCKED, sctp_find_ifa_by_addr(), and sctp_ifa::vrf_id.

Referenced by sctp_add_remote_addr(), and sctp_send_initiate_ack().

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◆ sctp_is_vtag_good()

bool sctp_is_vtag_good	(	uint32_t	tag,
		uint16_t	lport,
		uint16_t	rport,
		struct timeval *	now
	)

Definition at line 6720 of file sctp_pcb.c.

References sctp_tcb::asoc, sctp_association::my_vtag, sctp_tcb::rport, SCTP_BASE_INFO, sctp_tcb::sctp_ep, sctp_inpcb::sctp_flags, SCTP_INP_INFO_LOCK_ASSERT, sctp_is_in_timewait(), SCTP_PCB_FLAGS_SOCKET_ALLGONE, and SCTP_PCBHASH_ASOC.

Referenced by sctp_select_a_tag().

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◆ sctp_load_addresses_from_init()

int sctp_load_addresses_from_init	(	struct sctp_tcb *	stcb,
		struct mbuf *	m,
		int	offset,
		int	limit,
		struct sockaddr *	src,
		struct sockaddr *	dst,
		struct sockaddr *	altsa,
		uint16_t	port
	)