sctputil.c File Reference

#include <netinet/sctp_os.h>
#include <netinet/sctp_pcb.h>
#include <netinet/sctputil.h>
#include <netinet/sctp_var.h>
#include <netinet/sctp_sysctl.h>
#include <netinet/sctp_header.h>
#include <netinet/sctp_output.h>
#include <netinet/sctp_uio.h>
#include <netinet/sctp_timer.h>
#include <netinet/sctp_indata.h>
#include <netinet/sctp_auth.h>
#include <netinet/sctp_asconf.h>
#include <netinet/sctp_bsd_addr.h>

Macros
#define	KTR_SCTP   KTR_SUBSYS

Functions
void	sctp_sblog (struct sockbuf *sb, struct sctp_tcb *stcb, int from, int incr)
void	sctp_log_closing (struct sctp_inpcb *inp, struct sctp_tcb *stcb, int16_t loc)
void	rto_logging (struct sctp_nets *net, int from)
void	sctp_log_strm_del_alt (struct sctp_tcb *stcb, uint32_t tsn, uint16_t sseq, uint16_t stream, int from)
void	sctp_log_nagle_event (struct sctp_tcb *stcb, int action)
void	sctp_log_sack (uint32_t old_cumack, uint32_t cumack, uint32_t tsn, uint16_t gaps, uint16_t dups, int from)
void	sctp_log_map (uint32_t map, uint32_t cum, uint32_t high, int from)
void	sctp_log_fr (uint32_t biggest_tsn, uint32_t biggest_new_tsn, uint32_t tsn, int from)
void	sctp_log_strm_del (struct sctp_queued_to_read *control, struct sctp_queued_to_read *poschk, int from)
void	sctp_log_cwnd (struct sctp_tcb *stcb, struct sctp_nets *net, int augment, uint8_t from)
void	sctp_log_lock (struct sctp_inpcb *inp, struct sctp_tcb *stcb, uint8_t from)
void	sctp_log_maxburst (struct sctp_tcb *stcb, struct sctp_nets *net, int error, int burst, uint8_t from)
void	sctp_log_rwnd (uint8_t from, uint32_t peers_rwnd, uint32_t snd_size, uint32_t overhead)
void	sctp_log_rwnd_set (uint8_t from, uint32_t peers_rwnd, uint32_t flight_size, uint32_t overhead, uint32_t a_rwndval)
void	sctp_misc_ints (uint8_t from, uint32_t a, uint32_t b, uint32_t c, uint32_t d)
void	sctp_wakeup_log (struct sctp_tcb *stcb, uint32_t wake_cnt, int from)
void	sctp_log_block (uint8_t from, struct sctp_association *asoc, size_t sendlen)
int	sctp_fill_stat_log (void *optval SCTP_UNUSED, size_t *optsize SCTP_UNUSED)
void	sctp_stop_timers_for_shutdown (struct sctp_tcb *stcb)
uint32_t	sctp_get_prev_mtu (uint32_t val)
uint32_t	sctp_get_next_mtu (uint32_t val)
void	sctp_fill_random_store (struct sctp_pcb *m)
uint32_t	sctp_select_initial_TSN (struct sctp_pcb *inp)
uint32_t	sctp_select_a_tag (struct sctp_inpcb *inp, uint16_t lport, uint16_t rport, int check)
int32_t	sctp_map_assoc_state (int kernel_state)
int	sctp_init_asoc (struct sctp_inpcb *inp, struct sctp_tcb *stcb, uint32_t override_tag, uint32_t vrf_id, uint16_t o_strms)
void	sctp_print_mapping_array (struct sctp_association *asoc)
int	sctp_expand_mapping_array (struct sctp_association *asoc, uint32_t needed)
void	sctp_iterator_worker (void)
void	sctp_timeout_handler (void *t)
void	sctp_timer_start (int t_type, struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sctp_nets *net)
void	sctp_timer_stop (int t_type, struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sctp_nets *net, uint32_t from)
uint32_t	sctp_calculate_len (struct mbuf *m)
void	sctp_mtu_size_reset (struct sctp_inpcb *inp, struct sctp_association *asoc, uint32_t mtu)
uint32_t	sctp_calculate_rto (struct sctp_tcb *stcb, struct sctp_association *asoc, struct sctp_nets *net, struct timeval *told, int safe, int rtt_from_sack)
caddr_t	sctp_m_getptr (struct mbuf *m, int off, int len, uint8_t *in_ptr)
struct sctp_paramhdr *	sctp_get_next_param (struct mbuf *m, int offset, struct sctp_paramhdr *pull, int pull_limit)
struct mbuf *	sctp_add_pad_tombuf (struct mbuf *m, int padlen)
struct mbuf *	sctp_pad_lastmbuf (struct mbuf *m, int padval, struct mbuf *last_mbuf)
void	sctp_notify_stream_reset_add (struct sctp_tcb *stcb, uint16_t numberin, uint16_t numberout, int flag)
void	sctp_notify_stream_reset_tsn (struct sctp_tcb *stcb, uint32_t sending_tsn, uint32_t recv_tsn, int flag)
void	sctp_ulp_notify (uint32_t notification, struct sctp_tcb *stcb, uint32_t error, void *data, int so_locked SCTP_UNUSED)
void	sctp_report_all_outbound (struct sctp_tcb *stcb, uint16_t error, int holds_lock, int so_locked SCTP_UNUSED)
void	sctp_abort_notification (struct sctp_tcb *stcb, uint8_t from_peer, uint16_t error, struct sctp_abort_chunk *abort, int so_locked SCTP_UNUSED)
void	sctp_abort_association (struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct mbuf *m, int iphlen, struct sockaddr *src, struct sockaddr *dst, struct sctphdr *sh, struct mbuf *op_err, uint32_t vrf_id, uint16_t port)
void	sctp_abort_an_association (struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct mbuf *op_err, int so_locked SCTP_UNUSED)
void	sctp_handle_ootb (struct mbuf *m, int iphlen, int offset, struct sockaddr *src, struct sockaddr *dst, struct sctphdr *sh, struct sctp_inpcb *inp, struct mbuf *cause, uint32_t vrf_id, uint16_t port)
int	sctp_is_there_an_abort_here (struct mbuf *m, int iphlen, uint32_t *vtagfill)
int	sctp_cmpaddr (struct sockaddr *sa1, struct sockaddr *sa2)
void	sctp_print_address (struct sockaddr *sa)
void	sctp_pull_off_control_to_new_inp (struct sctp_inpcb *old_inp, struct sctp_inpcb *new_inp, struct sctp_tcb *stcb, int waitflags)
void	sctp_wakeup_the_read_socket (struct sctp_inpcb *inp, struct sctp_tcb *stcb, int so_locked SCTP_UNUSED)
void	sctp_add_to_readq (struct sctp_inpcb *inp, struct sctp_tcb *stcb, struct sctp_queued_to_read *control, struct sockbuf *sb, int end, int inp_read_lock_held, int so_locked SCTP_UNUSED)
struct mbuf *	sctp_generate_cause (uint16_t code, char *info)
struct mbuf *	sctp_generate_no_user_data_cause (uint32_t tsn)
int	sctp_release_pr_sctp_chunk (struct sctp_tcb *stcb, struct sctp_tmit_chunk *tp1, uint8_t sent, int so_locked SCTP_UNUSED)
struct sctp_ifa *	sctp_find_ifa_in_ep (struct sctp_inpcb *inp, struct sockaddr *addr, int holds_lock)
uint32_t	sctp_get_ifa_hash_val (struct sockaddr *addr)
struct sctp_ifa *	sctp_find_ifa_by_addr (struct sockaddr *addr, uint32_t vrf_id, int holds_lock)
int	sctp_sorecvmsg (struct socket *so, struct uio *uio, struct mbuf **mp, struct sockaddr *from, int fromlen, int *msg_flags, struct sctp_sndrcvinfo *sinfo, int filling_sinfo)
int	sctp_dynamic_set_primary (struct sockaddr *sa, uint32_t vrf_id)
int	sctp_soreceive (struct socket *so, struct sockaddr **psa, struct uio *uio, struct mbuf **mp0, struct mbuf **controlp, int *flagsp)
int	sctp_connectx_helper_add (struct sctp_tcb *stcb, struct sockaddr *addr, int totaddr, int *error)
struct sctp_tcb *	sctp_connectx_helper_find (struct sctp_inpcb *inp, struct sockaddr *addr, unsigned int *totaddr, unsigned int *num_v4, unsigned int *num_v6, int *error, unsigned int limit, int *bad_addr)
void	sctp_bindx_add_address (struct socket *so, struct sctp_inpcb *inp, struct sockaddr *sa, sctp_assoc_t assoc_id, uint32_t vrf_id, int *error, void *p)
void	sctp_bindx_delete_address (struct sctp_inpcb *inp, struct sockaddr *sa, sctp_assoc_t assoc_id, uint32_t vrf_id, int *error)
int	sctp_local_addr_count (struct sctp_tcb *stcb)

Variables
const struct sctp_cc_functions	sctp_cc_functions []
const struct sctp_ss_functions	sctp_ss_functions []

Macro Definition Documentation

KTR_SCTP

#define KTR_SCTP   KTR_SUBSYS

Function Documentation

rto_logging()

void rto_logging	(	struct sctp_nets *	net,
		int	from
	)

sctp_abort_an_association()

void sctp_abort_an_association	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct mbuf *	op_err,
		int so_locked	SCTP_UNUSED
	)

sctp_abort_association()

void sctp_abort_association	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct mbuf *	m,
		int	iphlen,
		struct sockaddr *	src,
		struct sockaddr *	dst,
		struct sctphdr *	sh,
		struct mbuf *	op_err,
		uint32_t	vrf_id,
		uint16_t	port
	)

sctp_abort_notification()

void sctp_abort_notification	(	struct sctp_tcb *	stcb,
		uint8_t	from_peer,
		uint16_t	error,
		struct sctp_abort_chunk *	abort,
		int so_locked	SCTP_UNUSED
	)

sctp_add_pad_tombuf()

struct mbuf* sctp_add_pad_tombuf	(	struct mbuf *	m,
		int	padlen
	)

sctp_add_to_readq()

void sctp_add_to_readq	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct sctp_queued_to_read *	control,
		struct sockbuf *	sb,
		int	end,
		int	inp_read_lock_held,
		int so_locked	SCTP_UNUSED
	)

sctp_bindx_add_address()

void sctp_bindx_add_address	(	struct socket *	so,
		struct sctp_inpcb *	inp,
		struct sockaddr *	sa,
		sctp_assoc_t	assoc_id,
		uint32_t	vrf_id,
		int *	error,
		void *	p
	)

sctp_bindx_delete_address()

void sctp_bindx_delete_address	(	struct sctp_inpcb *	inp,
		struct sockaddr *	sa,
		sctp_assoc_t	assoc_id,
		uint32_t	vrf_id,
		int *	error
	)

sctp_calculate_len()

uint32_t sctp_calculate_len

(

struct mbuf *

m

)

sctp_calculate_rto()

uint32_t sctp_calculate_rto	(	struct sctp_tcb *	stcb,
		struct sctp_association *	asoc,
		struct sctp_nets *	net,
		struct timeval *	told,
		int	safe,
		int	rtt_from_sack
	)

sctp_cmpaddr()

int sctp_cmpaddr	(	struct sockaddr *	sa1,
		struct sockaddr *	sa2
	)

sctp_connectx_helper_add()

int sctp_connectx_helper_add	(	struct sctp_tcb *	stcb,
		struct sockaddr *	addr,
		int	totaddr,
		int *	error
	)

sctp_connectx_helper_find()

struct sctp_tcb* sctp_connectx_helper_find	(	struct sctp_inpcb *	inp,
		struct sockaddr *	addr,
		unsigned int *	totaddr,
		unsigned int *	num_v4,
		unsigned int *	num_v6,
		int *	error,
		unsigned int	limit,
		int *	bad_addr
	)

sctp_dynamic_set_primary()

int sctp_dynamic_set_primary	(	struct sockaddr *	sa,
		uint32_t	vrf_id
	)

sctp_expand_mapping_array()

int sctp_expand_mapping_array	(	struct sctp_association *	asoc,
		uint32_t	needed
	)

sctp_fill_random_store()

void sctp_fill_random_store

(

struct sctp_pcb *

m

)

sctp_fill_stat_log()

int sctp_fill_stat_log	(	void *optval	SCTP_UNUSED,
		size_t *optsize	SCTP_UNUSED
	)

sctp_find_ifa_by_addr()

struct sctp_ifa* sctp_find_ifa_by_addr	(	struct sockaddr *	addr,
		uint32_t	vrf_id,
		int	holds_lock
	)

sctp_find_ifa_in_ep()

struct sctp_ifa* sctp_find_ifa_in_ep	(	struct sctp_inpcb *	inp,
		struct sockaddr *	addr,
		int	holds_lock
	)

sctp_generate_cause()

struct mbuf* sctp_generate_cause	(	uint16_t	code,
		char *	info
	)

sctp_generate_no_user_data_cause()

struct mbuf* sctp_generate_no_user_data_cause

(

uint32_t

tsn

)

sctp_get_ifa_hash_val()

uint32_t sctp_get_ifa_hash_val

(

struct sockaddr *

addr

)

sctp_get_next_mtu()

uint32_t sctp_get_next_mtu

(

uint32_t

val

)

sctp_get_next_param()

struct sctp_paramhdr* sctp_get_next_param	(	struct mbuf *	m,
		int	offset,
		struct sctp_paramhdr *	pull,
		int	pull_limit
	)

sctp_get_prev_mtu()

uint32_t sctp_get_prev_mtu

(

uint32_t

val

)

sctp_handle_ootb()

void sctp_handle_ootb	(	struct mbuf *	m,
		int	iphlen,
		int	offset,
		struct sockaddr *	src,
		struct sockaddr *	dst,
		struct sctphdr *	sh,
		struct sctp_inpcb *	inp,
		struct mbuf *	cause,
		uint32_t	vrf_id,
		uint16_t	port
	)

sctp_init_asoc()

int sctp_init_asoc	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		uint32_t	override_tag,
		uint32_t	vrf_id,
		uint16_t	o_strms
	)

sctp_is_there_an_abort_here()

int sctp_is_there_an_abort_here	(	struct mbuf *	m,
		int	iphlen,
		uint32_t *	vtagfill
	)

sctp_iterator_worker()

void sctp_iterator_worker

(

void

)

sctp_local_addr_count()

int sctp_local_addr_count

(

struct sctp_tcb *

stcb

)

sctp_log_block()

void sctp_log_block	(	uint8_t	from,
		struct sctp_association *	asoc,
		size_t	sendlen
	)

sctp_log_closing()

void sctp_log_closing	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		int16_t	loc
	)

sctp_log_cwnd()

void sctp_log_cwnd	(	struct sctp_tcb *	stcb,
		struct sctp_nets *	net,
		int	augment,
		uint8_t	from
	)

sctp_log_fr()

void sctp_log_fr	(	uint32_t	biggest_tsn,
		uint32_t	biggest_new_tsn,
		uint32_t	tsn,
		int	from
	)

sctp_log_lock()

void sctp_log_lock	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		uint8_t	from
	)

sctp_log_map()

void sctp_log_map	(	uint32_t	map,
		uint32_t	cum,
		uint32_t	high,
		int	from
	)

sctp_log_maxburst()

void sctp_log_maxburst	(	struct sctp_tcb *	stcb,
		struct sctp_nets *	net,
		int	error,
		int	burst,
		uint8_t	from
	)

sctp_log_nagle_event()

void sctp_log_nagle_event	(	struct sctp_tcb *	stcb,
		int	action
	)

sctp_log_rwnd()

void sctp_log_rwnd	(	uint8_t	from,
		uint32_t	peers_rwnd,
		uint32_t	snd_size,
		uint32_t	overhead
	)

sctp_log_rwnd_set()

void sctp_log_rwnd_set	(	uint8_t	from,
		uint32_t	peers_rwnd,
		uint32_t	flight_size,
		uint32_t	overhead,
		uint32_t	a_rwndval
	)

sctp_log_sack()

void sctp_log_sack	(	uint32_t	old_cumack,
		uint32_t	cumack,
		uint32_t	tsn,
		uint16_t	gaps,
		uint16_t	dups,
		int	from
	)

sctp_log_strm_del()

void sctp_log_strm_del	(	struct sctp_queued_to_read *	control,
		struct sctp_queued_to_read *	poschk,
		int	from
	)

sctp_log_strm_del_alt()

void sctp_log_strm_del_alt	(	struct sctp_tcb *	stcb,
		uint32_t	tsn,
		uint16_t	sseq,
		uint16_t	stream,
		int	from
	)

sctp_m_getptr()

caddr_t sctp_m_getptr	(	struct mbuf *	m,
		int	off,
		int	len,
		uint8_t *	in_ptr
	)

sctp_map_assoc_state()

int32_t sctp_map_assoc_state

(

int

kernel_state

)

sctp_misc_ints()

void sctp_misc_ints	(	uint8_t	from,
		uint32_t	a,
		uint32_t	b,
		uint32_t	c,
		uint32_t	d
	)

sctp_mtu_size_reset()

void sctp_mtu_size_reset	(	struct sctp_inpcb *	inp,
		struct sctp_association *	asoc,
		uint32_t	mtu
	)

sctp_notify_stream_reset_add()

void sctp_notify_stream_reset_add	(	struct sctp_tcb *	stcb,
		uint16_t	numberin,
		uint16_t	numberout,
		int	flag
	)

sctp_notify_stream_reset_tsn()

void sctp_notify_stream_reset_tsn	(	struct sctp_tcb *	stcb,
		uint32_t	sending_tsn,
		uint32_t	recv_tsn,
		int	flag
	)

sctp_pad_lastmbuf()

struct mbuf* sctp_pad_lastmbuf	(	struct mbuf *	m,
		int	padval,
		struct mbuf *	last_mbuf
	)

sctp_print_address()

void sctp_print_address

(

struct sockaddr *

sa

)

sctp_print_mapping_array()

void sctp_print_mapping_array

(

struct sctp_association *

asoc

)

sctp_pull_off_control_to_new_inp()

void sctp_pull_off_control_to_new_inp	(	struct sctp_inpcb *	old_inp,
		struct sctp_inpcb *	new_inp,
		struct sctp_tcb *	stcb,
		int	waitflags
	)

sctp_release_pr_sctp_chunk()

int sctp_release_pr_sctp_chunk	(	struct sctp_tcb *	stcb,
		struct sctp_tmit_chunk *	tp1,
		uint8_t	sent,
		int so_locked	SCTP_UNUSED
	)

sctp_report_all_outbound()

void sctp_report_all_outbound	(	struct sctp_tcb *	stcb,
		uint16_t	error,
		int	holds_lock,
		int so_locked	SCTP_UNUSED
	)

sctp_sblog()

void sctp_sblog	(	struct sockbuf *	sb,
		struct sctp_tcb *	stcb,
		int	from,
		int	incr
	)

sctp_select_a_tag()

uint32_t sctp_select_a_tag	(	struct sctp_inpcb *	inp,
		uint16_t	lport,
		uint16_t	rport,
		int	check
	)

sctp_select_initial_TSN()

uint32_t sctp_select_initial_TSN

(

struct sctp_pcb *

inp

)

sctp_soreceive()

int sctp_soreceive	(	struct socket *	so,
		struct sockaddr **	psa,
		struct uio *	uio,
		struct mbuf **	mp0,
		struct mbuf **	controlp,
		int *	flagsp
	)

sctp_sorecvmsg()

int sctp_sorecvmsg	(	struct socket *	so,
		struct uio *	uio,
		struct mbuf **	mp,
		struct sockaddr *	from,
		int	fromlen,
		int *	msg_flags,
		struct sctp_sndrcvinfo *	sinfo,
		int	filling_sinfo
	)

sctp_stop_timers_for_shutdown()

void sctp_stop_timers_for_shutdown

(

struct sctp_tcb *

stcb

)

sctp_timeout_handler()

void sctp_timeout_handler

(

void *

t

)

sctp_timer_start()

void sctp_timer_start	(	int	t_type,
		struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct sctp_nets *	net
	)

sctp_timer_stop()

void sctp_timer_stop	(	int	t_type,
		struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		struct sctp_nets *	net,
		uint32_t	from
	)

sctp_ulp_notify()

void sctp_ulp_notify	(	uint32_t	notification,
		struct sctp_tcb *	stcb,
		uint32_t	error,
		void *	data,
		int so_locked	SCTP_UNUSED
	)

sctp_wakeup_log()

void sctp_wakeup_log	(	struct sctp_tcb *	stcb,
		uint32_t	wake_cnt,
		int	from
	)

sctp_wakeup_the_read_socket()

void sctp_wakeup_the_read_socket	(	struct sctp_inpcb *	inp,
		struct sctp_tcb *	stcb,
		int so_locked	SCTP_UNUSED
	)

Variable Documentation

sctp_cc_functions

const struct sctp_cc_functions sctp_cc_functions[]

sctp_ss_functions

const struct sctp_ss_functions sctp_ss_functions[]