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freebsd-nq/sys/netinet/sctp_uio.h
Randall Stewart 6a91f103b6 Turns out we would reset the TSN seq counter during 
a colliding INIT. This if fine except when we have
data outstanding... we basically reset it to the
previous value it was.. so then we end up assigning
the same TSN to two different data chunks.
This patch:

1) Finds a missing lock for when we change the stream
   numbers during COOKIE and INIT-ACK processing.. we
   were NOT locking the send_buffer.. which COULD cause
   problems (found by inspection looking for <2>)

2) Fixes a case during a colliding INIT where we incorrectly
   reset the sending Sequence thus in some cases duplicately
   assigning a TSN.

3) Additional enhancments to logging so we can see strm/tsn in
   the receiver AND new tracking to watch what the sender
   is doing with TSN and STRM seq's.

Approved by:	gnn
2006-11-11 15:59:01 +00:00

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/*-
* Copyright (c) 2001-2006, Cisco Systems, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* a) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* b) Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
*
* c) Neither the name of Cisco Systems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/* $KAME: sctp_uio.h,v 1.11 2005/03/06 16:04:18 itojun Exp $ */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#ifndef __sctp_uio_h__
#define __sctp_uio_h__
#if ! defined(_KERNEL)
#include <stdint.h>
#endif
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
typedef uint32_t sctp_assoc_t;
/* On/Off setup for subscription to events */
struct sctp_event_subscribe {
uint8_t sctp_data_io_event;
uint8_t sctp_association_event;
uint8_t sctp_address_event;
uint8_t sctp_send_failure_event;
uint8_t sctp_peer_error_event;
uint8_t sctp_shutdown_event;
uint8_t sctp_partial_delivery_event;
uint8_t sctp_adaptation_layer_event;
uint8_t sctp_authentication_event;
uint8_t sctp_stream_reset_events;
};
/* ancillary data types */
#define SCTP_INIT 0x0001
#define SCTP_SNDRCV 0x0002
#define SCTP_EXTRCV 0x0003
/*
* ancillary data structures
*/
struct sctp_initmsg {
uint32_t sinit_num_ostreams;
uint32_t sinit_max_instreams;
uint16_t sinit_max_attempts;
uint16_t sinit_max_init_timeo;
};
/* We add 96 bytes to the size of sctp_sndrcvinfo.
* This makes the current structure 128 bytes long
* which is nicely 64 bit aligned but also has room
* for us to add more and keep ABI compatability.
* For example, already we have the sctp_extrcvinfo
* when enabled which is 48 bytes.
*/
#define SCTP_ALIGN_RESV_PAD 96
struct sctp_sndrcvinfo {
uint16_t sinfo_stream;
uint16_t sinfo_ssn;
uint16_t sinfo_flags;
uint32_t sinfo_ppid;
uint32_t sinfo_context;
uint32_t sinfo_timetolive;
uint32_t sinfo_tsn;
uint32_t sinfo_cumtsn;
sctp_assoc_t sinfo_assoc_id;
uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
};
struct sctp_extrcvinfo {
uint16_t sinfo_stream;
uint16_t sinfo_ssn;
uint16_t sinfo_flags;
uint32_t sinfo_ppid;
uint32_t sinfo_context;
uint32_t sinfo_timetolive;
uint32_t sinfo_tsn;
uint32_t sinfo_cumtsn;
sctp_assoc_t sinfo_assoc_id;
uint16_t next_flags;
uint16_t next_stream;
uint32_t next_asocid;
uint32_t next_length;
uint32_t next_ppid;
};
#define SCTP_NO_NEXT_MSG 0x0000
#define SCTP_NEXT_MSG_AVAIL 0x0001
#define SCTP_NEXT_MSG_ISCOMPLETE 0x0002
#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
struct sctp_snd_all_completes {
uint16_t sall_stream;
uint16_t sall_flags;
uint32_t sall_ppid;
uint32_t sall_context;
uint32_t sall_num_sent;
uint32_t sall_num_failed;
};
/* Flags that go into the sinfo->sinfo_flags field */
#define SCTP_EOF 0x0100/* Start shutdown procedures */
#define SCTP_ABORT 0x0200/* Send an ABORT to peer */
#define SCTP_UNORDERED 0x0400/* Message is un-ordered */
#define SCTP_ADDR_OVER 0x0800/* Override the primary-address */
#define SCTP_SENDALL 0x1000/* Send this on all associations */
#define SCTP_EOR 0x2000/* end of message signal */
/* for the endpoint */
/* The lower byte is an enumeration of PR-SCTP policies */
#define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */
#define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */
#define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */
#define PR_SCTP_POLICY(x) ((x) & 0xff)
#define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0)
#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
/* Stat's */
struct sctp_pcbinfo {
uint32_t ep_count;
uint32_t asoc_count;
uint32_t laddr_count;
uint32_t raddr_count;
uint32_t chk_count;
uint32_t readq_count;
uint32_t free_chunks;
uint32_t stream_oque;
};
struct sctp_sockstat {
sctp_assoc_t ss_assoc_id;
uint32_t ss_total_sndbuf;
uint32_t ss_total_recv_buf;
};
/*
* notification event structures
*/
/*
* association change event
*/
struct sctp_assoc_change {
uint16_t sac_type;
uint16_t sac_flags;
uint32_t sac_length;
uint16_t sac_state;
uint16_t sac_error;
uint16_t sac_outbound_streams;
uint16_t sac_inbound_streams;
sctp_assoc_t sac_assoc_id;
};
/* sac_state values */
#define SCTP_COMM_UP 0x0001
#define SCTP_COMM_LOST 0x0002
#define SCTP_RESTART 0x0003
#define SCTP_SHUTDOWN_COMP 0x0004
#define SCTP_CANT_STR_ASSOC 0x0005
/*
* Address event
*/
struct sctp_paddr_change {
uint16_t spc_type;
uint16_t spc_flags;
uint32_t spc_length;
struct sockaddr_storage spc_aaddr;
uint32_t spc_state;
uint32_t spc_error;
sctp_assoc_t spc_assoc_id;
};
/* paddr state values */
#define SCTP_ADDR_AVAILABLE 0x0001
#define SCTP_ADDR_UNREACHABLE 0x0002
#define SCTP_ADDR_REMOVED 0x0003
#define SCTP_ADDR_ADDED 0x0004
#define SCTP_ADDR_MADE_PRIM 0x0005
#define SCTP_ADDR_CONFIRMED 0x0006
/*
* CAUTION: these are user exposed SCTP addr reachability states must be
* compatible with SCTP_ADDR states in sctp_constants.h
*/
#ifdef SCTP_ACTIVE
#undef SCTP_ACTIVE
#endif
#define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */
#ifdef SCTP_INACTIVE
#undef SCTP_INACTIVE
#endif
#define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */
#ifdef SCTP_UNCONFIRMED
#undef SCTP_UNCONFIRMED
#endif
#define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */
#ifdef SCTP_NOHEARTBEAT
#undef SCTP_NOHEARTBEAT
#endif
#define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */
/* remote error events */
struct sctp_remote_error {
uint16_t sre_type;
uint16_t sre_flags;
uint32_t sre_length;
uint16_t sre_error;
sctp_assoc_t sre_assoc_id;
uint8_t sre_data[4];
};
/* data send failure event */
struct sctp_send_failed {
uint16_t ssf_type;
uint16_t ssf_flags;
uint32_t ssf_length;
uint32_t ssf_error;
struct sctp_sndrcvinfo ssf_info;
sctp_assoc_t ssf_assoc_id;
uint8_t ssf_data[4];
};
/* flag that indicates state of data */
#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */
#define SCTP_DATA_SENT 0x0002 /* on wire at failure */
/* shutdown event */
struct sctp_shutdown_event {
uint16_t sse_type;
uint16_t sse_flags;
uint32_t sse_length;
sctp_assoc_t sse_assoc_id;
};
/* Adaptation layer indication stuff */
struct sctp_adaptation_event {
uint16_t sai_type;
uint16_t sai_flags;
uint32_t sai_length;
uint32_t sai_adaptation_ind;
sctp_assoc_t sai_assoc_id;
};
struct sctp_setadaptation {
uint32_t ssb_adaptation_ind;
};
/* compatable old spelling */
struct sctp_adaption_event {
uint16_t sai_type;
uint16_t sai_flags;
uint32_t sai_length;
uint32_t sai_adaption_ind;
sctp_assoc_t sai_assoc_id;
};
struct sctp_setadaption {
uint32_t ssb_adaption_ind;
};
/*
* Partial Delivery API event
*/
struct sctp_pdapi_event {
uint16_t pdapi_type;
uint16_t pdapi_flags;
uint32_t pdapi_length;
uint32_t pdapi_indication;
sctp_assoc_t pdapi_assoc_id;
};
/* indication values */
#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001
/*
* authentication key event
*/
struct sctp_authkey_event {
uint16_t auth_type;
uint16_t auth_flags;
uint32_t auth_length;
uint16_t auth_keynumber;
uint16_t auth_altkeynumber;
uint32_t auth_indication;
sctp_assoc_t auth_assoc_id;
};
/* indication values */
#define SCTP_AUTH_NEWKEY 0x0001
/*
* stream reset event
*/
struct sctp_stream_reset_event {
uint16_t strreset_type;
uint16_t strreset_flags;
uint32_t strreset_length;
sctp_assoc_t strreset_assoc_id;
uint16_t strreset_list[0];
};
/* flags in strreset_flags field */
#define SCTP_STRRESET_INBOUND_STR 0x0001
#define SCTP_STRRESET_OUTBOUND_STR 0x0002
#define SCTP_STRRESET_ALL_STREAMS 0x0004
#define SCTP_STRRESET_STREAM_LIST 0x0008
#define SCTP_STRRESET_FAILED 0x0010
/* SCTP notification event */
struct sctp_tlv {
uint16_t sn_type;
uint16_t sn_flags;
uint32_t sn_length;
};
union sctp_notification {
struct sctp_tlv sn_header;
struct sctp_assoc_change sn_assoc_change;
struct sctp_paddr_change sn_paddr_change;
struct sctp_remote_error sn_remote_error;
struct sctp_send_failed sn_send_failed;
struct sctp_shutdown_event sn_shutdown_event;
struct sctp_adaptation_event sn_adaptation_event;
/* compatability same as above */
struct sctp_adaption_event sn_adaption_event;
struct sctp_pdapi_event sn_pdapi_event;
struct sctp_authkey_event sn_auth_event;
struct sctp_stream_reset_event sn_strreset_event;
};
/* notification types */
#define SCTP_ASSOC_CHANGE 0x0001
#define SCTP_PEER_ADDR_CHANGE 0x0002
#define SCTP_REMOTE_ERROR 0x0003
#define SCTP_SEND_FAILED 0x0004
#define SCTP_SHUTDOWN_EVENT 0x0005
#define SCTP_ADAPTATION_INDICATION 0x0006
/* same as above */
#define SCTP_ADAPTION_INDICATION 0x0006
#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
#define SCTP_AUTHENTICATION_EVENT 0x0008
#define SCTP_STREAM_RESET_EVENT 0x0009
/*
* socket option structs
*/
struct sctp_paddrparams {
sctp_assoc_t spp_assoc_id;
struct sockaddr_storage spp_address;
uint32_t spp_hbinterval;
uint16_t spp_pathmaxrxt;
uint32_t spp_pathmtu;
uint32_t spp_sackdelay;
uint32_t spp_flags;
uint32_t spp_ipv6_flowlabel;
uint8_t spp_ipv4_tos;
};
#define SPP_HB_ENABLE 0x00000001
#define SPP_HB_DISABLE 0x00000002
#define SPP_HB_DEMAND 0x00000004
#define SPP_PMTUD_ENABLE 0x00000008
#define SPP_PMTUD_DISABLE 0x00000010
#define SPP_SACKDELAY_ENABLE 0x00000020
#define SPP_SACKDELAY_DISABLE 0x00000040
#define SPP_HB_TIME_IS_ZERO 0x00000080
#define SPP_IPV6_FLOWLABEL 0x00000100
#define SPP_IPV4_TOS 0x00000200
struct sctp_paddrinfo {
sctp_assoc_t spinfo_assoc_id;
struct sockaddr_storage spinfo_address;
int32_t spinfo_state;
uint32_t spinfo_cwnd;
uint32_t spinfo_srtt;
uint32_t spinfo_rto;
uint32_t spinfo_mtu;
};
struct sctp_rtoinfo {
sctp_assoc_t srto_assoc_id;
uint32_t srto_initial;
uint32_t srto_max;
uint32_t srto_min;
};
struct sctp_assocparams {
sctp_assoc_t sasoc_assoc_id;
uint16_t sasoc_asocmaxrxt;
uint16_t sasoc_number_peer_destinations;
uint32_t sasoc_peer_rwnd;
uint32_t sasoc_local_rwnd;
uint32_t sasoc_cookie_life;
};
struct sctp_setprim {
sctp_assoc_t ssp_assoc_id;
struct sockaddr_storage ssp_addr;
};
struct sctp_setpeerprim {
sctp_assoc_t sspp_assoc_id;
struct sockaddr_storage sspp_addr;
};
struct sctp_getaddresses {
sctp_assoc_t sget_assoc_id;
/* addr is filled in for N * sockaddr_storage */
struct sockaddr addr[1];
};
struct sctp_setstrm_timeout {
sctp_assoc_t ssto_assoc_id;
uint32_t ssto_timeout;
uint32_t ssto_streamid_start;
uint32_t ssto_streamid_end;
};
struct sctp_status {
sctp_assoc_t sstat_assoc_id;
int32_t sstat_state;
uint32_t sstat_rwnd;
uint16_t sstat_unackdata;
uint16_t sstat_penddata;
uint16_t sstat_instrms;
uint16_t sstat_outstrms;
uint32_t sstat_fragmentation_point;
struct sctp_paddrinfo sstat_primary;
};
/*
* AUTHENTICATION support
*/
/* SCTP_AUTH_CHUNK */
struct sctp_authchunk {
uint8_t sauth_chunk;
};
/* SCTP_AUTH_KEY */
struct sctp_authkey {
sctp_assoc_t sca_assoc_id;
uint16_t sca_keynumber;
uint8_t sca_key[0];
};
/* SCTP_HMAC_IDENT */
struct sctp_hmacalgo {
uint16_t shmac_idents[0];
};
/* AUTH hmac_id */
#define SCTP_AUTH_HMAC_ID_RSVD 0x0000
#define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */
#define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */
#define SCTP_AUTH_HMAC_ID_SHA256 0x0003
#define SCTP_AUTH_HMAC_ID_SHA224 0x8001
#define SCTP_AUTH_HMAC_ID_SHA384 0x8002
#define SCTP_AUTH_HMAC_ID_SHA512 0x8003
/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
struct sctp_authkeyid {
sctp_assoc_t scact_assoc_id;
uint16_t scact_keynumber;
};
/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
struct sctp_authchunks {
sctp_assoc_t gauth_assoc_id;
uint8_t gauth_chunks[0];
};
struct sctp_assoc_value {
sctp_assoc_t assoc_id;
uint32_t assoc_value;
};
#define MAX_ASOC_IDS_RET 255
struct sctp_assoc_ids {
uint16_t asls_assoc_start; /* array of index's start at 0 */
uint8_t asls_numb_present;
uint8_t asls_more_to_get;
sctp_assoc_t asls_assoc_id[MAX_ASOC_IDS_RET];
};
struct sctp_cwnd_args {
struct sctp_nets *net; /* network to */
uint32_t cwnd_new_value;/* cwnd in k */
uint32_t inflight; /* flightsize in k */
uint32_t pseudo_cumack;
int cwnd_augment; /* increment to it */
uint8_t meets_pseudo_cumack;
uint8_t need_new_pseudo_cumack;
uint8_t cnt_in_send;
uint8_t cnt_in_str;
};
struct sctp_blk_args {
uint32_t onsb; /* in 1k bytes */
uint32_t sndlen; /* len of send being attempted */
uint32_t peer_rwnd; /* rwnd of peer */
uint16_t send_sent_qcnt;/* chnk cnt */
uint16_t stream_qcnt; /* chnk cnt */
uint16_t chunks_on_oque;/* chunks out */
uint16_t flight_size; /* flight size in k */
};
/*
* Max we can reset in one setting, note this is dictated not by the define
* but the size of a mbuf cluster so don't change this define and think you
* can specify more. You must do multiple resets if you want to reset more
* than SCTP_MAX_EXPLICIT_STR_RESET.
*/
#define SCTP_MAX_EXPLICT_STR_RESET 1000
#define SCTP_RESET_LOCAL_RECV 0x0001
#define SCTP_RESET_LOCAL_SEND 0x0002
#define SCTP_RESET_BOTH 0x0003
#define SCTP_RESET_TSN 0x0004
struct sctp_stream_reset {
sctp_assoc_t strrst_assoc_id;
uint16_t strrst_flags;
uint16_t strrst_num_streams; /* 0 == ALL */
uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */
};
struct sctp_get_nonce_values {
sctp_assoc_t gn_assoc_id;
uint32_t gn_peers_tag;
uint32_t gn_local_tag;
};
/* Debugging logs */
struct sctp_str_log {
void *stcb;
uint32_t n_tsn;
uint32_t e_tsn;
uint16_t n_sseq;
uint16_t e_sseq;
uint16_t strm;
};
struct sctp_sb_log {
void *stcb;
uint32_t so_sbcc;
uint32_t stcb_sbcc;
uint32_t incr;
};
struct sctp_fr_log {
uint32_t largest_tsn;
uint32_t largest_new_tsn;
uint32_t tsn;
};
struct sctp_fr_map {
uint32_t base;
uint32_t cum;
uint32_t high;
};
struct sctp_rwnd_log {
uint32_t rwnd;
uint32_t send_size;
uint32_t overhead;
uint32_t new_rwnd;
};
struct sctp_mbcnt_log {
uint32_t total_queue_size;
uint32_t size_change;
uint32_t total_queue_mb_size;
uint32_t mbcnt_change;
};
struct sctp_sack_log {
uint32_t cumack;
uint32_t oldcumack;
uint32_t tsn;
uint16_t numGaps;
uint16_t numDups;
};
struct sctp_lock_log {
void *sock;
void *inp;
uint8_t tcb_lock;
uint8_t inp_lock;
uint8_t info_lock;
uint8_t sock_lock;
uint8_t sockrcvbuf_lock;
uint8_t socksndbuf_lock;
uint8_t create_lock;
uint8_t resv;
};
struct sctp_rto_log {
void *net;
uint32_t rtt;
uint32_t rttvar;
uint8_t direction;
};
struct sctp_nagle_log {
void *stcb;
uint32_t total_flight;
uint32_t total_in_queue;
uint16_t count_in_queue;
uint16_t count_in_flight;
};
struct sctp_sbwake_log {
void *stcb;
uint16_t send_q;
uint16_t sent_q;
uint16_t flight;
uint16_t wake_cnt;
uint8_t stream_qcnt; /* chnk cnt */
uint8_t chunks_on_oque; /* chunks out */
uint8_t sbflags;
uint8_t sctpflags;
};
struct sctp_misc_info {
uint32_t log1;
uint32_t log2;
uint32_t log3;
uint32_t log4;
};
struct sctp_log_closing {
void *inp;
void *stcb;
uint32_t sctp_flags;
uint16_t state;
int16_t loc;
};
struct sctp_mbuf_log {
struct mbuf *mp;
caddr_t ext;
caddr_t data;
uint16_t size;
uint8_t refcnt;
uint8_t mbuf_flags;
};
struct sctp_cwnd_log {
uint32_t time_event;
uint8_t from;
uint8_t event_type;
uint8_t resv[2];
union {
struct sctp_log_closing close;
struct sctp_blk_args blk;
struct sctp_cwnd_args cwnd;
struct sctp_str_log strlog;
struct sctp_fr_log fr;
struct sctp_fr_map map;
struct sctp_rwnd_log rwnd;
struct sctp_mbcnt_log mbcnt;
struct sctp_sack_log sack;
struct sctp_lock_log lock;
struct sctp_rto_log rto;
struct sctp_sb_log sb;
struct sctp_nagle_log nagle;
struct sctp_sbwake_log wake;
struct sctp_mbuf_log mb;
struct sctp_misc_info misc;
} x;
};
struct sctp_cwnd_log_req {
int num_in_log; /* Number in log */
int num_ret; /* Number returned */
int start_at; /* start at this one */
int end_at; /* end at this one */
struct sctp_cwnd_log log[0];
};
struct sctpstat {
/* MIB according to RFC 3873 */
u_long sctps_currestab; /* sctpStats 1 (Gauge32) */
u_long sctps_activeestab; /* sctpStats 2 (Counter32) */
u_long sctps_passiveestab; /* sctpStats 3 (Counter32) */
u_long sctps_aborted; /* sctpStats 4 (Counter32) */
u_long sctps_shutdown; /* sctpStats 5 (Counter32) */
u_long sctps_outoftheblue; /* sctpStats 6 (Counter32) */
u_long sctps_checksumerrors; /* sctpStats 7 (Counter32) */
u_long sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */
u_long sctps_outorderchunks; /* sctpStats 9 (Counter64) */
u_long sctps_outunorderchunks; /* sctpStats 10 (Counter64) */
u_long sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
u_long sctps_inorderchunks; /* sctpStats 12 (Counter64) */
u_long sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
u_long sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */
u_long sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */
u_long sctps_outpackets;/* sctpStats 16 (Counter64) */
u_long sctps_inpackets; /* sctpStats 17 (Counter64) */
u_long sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */
/* input statistics: */
u_long sctps_recvpackets; /* total input packets */
u_long sctps_recvdatagrams; /* total input datagrams */
u_long sctps_recvpktwithdata;
u_long sctps_recvsacks; /* total input SACK chunks */
u_long sctps_recvdata; /* total input DATA chunks */
u_long sctps_recvdupdata; /* total input duplicate DATA chunks */
u_long sctps_recvheartbeat; /* total input HB chunks */
u_long sctps_recvheartbeatack; /* total input HB-ACK chunks */
u_long sctps_recvecne; /* total input ECNE chunks */
u_long sctps_recvauth; /* total input AUTH chunks */
u_long sctps_recvauthmissing; /* total input chunks missing AUTH */
u_long sctps_recvivalhmacid; /* total number of invalid HMAC ids
* received */
u_long sctps_recvivalkeyid; /* total number of invalid secret ids
* received */
u_long sctps_recvauthfailed; /* total number of auth failed */
u_long sctps_recvexpress; /* total fast path receives all one
* chunk */
u_long sctps_recvexpressm; /* total fast path multi-part data */
/* output statistics: */
u_long sctps_sendpackets; /* total output packets */
u_long sctps_sendsacks; /* total output SACKs */
u_long sctps_senddata; /* total output DATA chunks */
u_long sctps_sendretransdata; /* total output retransmitted DATA
* chunks */
u_long sctps_sendfastretrans; /* total output fast retransmitted
* DATA chunks */
u_long sctps_sendmultfastretrans; /* U-del */
u_long sctps_sendheartbeat; /* total output HB chunks */
u_long sctps_sendecne; /* total output ECNE chunks */
u_long sctps_sendauth; /* total output AUTH chunks FIXME */
u_long sctps_senderrors;/* ip_output error counter */
/* PCKDROPREP statistics: */
u_long sctps_pdrpfmbox; /* */
u_long sctps_pdrpfehos; /* */
u_long sctps_pdrpmbda; /* */
u_long sctps_pdrpmbct; /* */
u_long sctps_pdrpbwrpt; /* */
u_long sctps_pdrpcrupt; /* */
u_long sctps_pdrpnedat; /* */
u_long sctps_pdrppdbrk; /* */
u_long sctps_pdrptsnnf; /* */
u_long sctps_pdrpdnfnd; /* */
u_long sctps_pdrpdiwnp; /* */
u_long sctps_pdrpdizrw; /* */
u_long sctps_pdrpbadd; /* */
u_long sctps_pdrpmark; /* */
/* timeouts */
u_long sctps_timoiterator; /* */
u_long sctps_timodata; /* */
u_long sctps_timowindowprobe; /* */
u_long sctps_timoinit; /* */
u_long sctps_timosack; /* */
u_long sctps_timoshutdown; /* */
u_long sctps_timoheartbeat; /* */
u_long sctps_timocookie;/* */
u_long sctps_timosecret;/* */
u_long sctps_timopathmtu; /* */
u_long sctps_timoshutdownack; /* */
u_long sctps_timoshutdownguard; /* */
u_long sctps_timostrmrst; /* */
u_long sctps_timoearlyfr; /* */
u_long sctps_timoasconf;/* */
u_long sctps_timoautoclose; /* */
u_long sctps_timoassockill; /* */
u_long sctps_timoinpkill; /* */
/* Early fast retransmission counters */
u_long sctps_earlyfrstart;
u_long sctps_earlyfrstop;
u_long sctps_earlyfrmrkretrans;
u_long sctps_earlyfrstpout;
u_long sctps_earlyfrstpidsck1;
u_long sctps_earlyfrstpidsck2;
u_long sctps_earlyfrstpidsck3;
u_long sctps_earlyfrstpidsck4;
u_long sctps_earlyfrstrid;
u_long sctps_earlyfrstrout;
u_long sctps_earlyfrstrtmr;
/* otheres */
u_long sctps_hdrops; /* packet shorter than header */
u_long sctps_badsum; /* checksum error */
u_long sctps_noport; /* no endpoint for port */
u_long sctps_badvtag; /* bad v-tag */
u_long sctps_badsid; /* bad SID */
u_long sctps_nomem; /* no memory */
u_long sctps_fastretransinrtt; /* number of multiple FR in a RTT
* window */
u_long sctps_markedretrans;
u_long sctps_naglesent; /* nagle allowed sending */
u_long sctps_naglequeued; /* nagle does't allow sending */
u_long sctps_maxburstqueued; /* max burst dosn't allow sending */
u_long sctps_ifnomemqueued; /* */
u_long sctps_windowprobed; /* total number of window probes sent */
u_long sctps_lowlevelerr;
u_long sctps_lowlevelerrusr;
u_long sctps_datadropchklmt;
u_long sctps_datadroprwnd;
u_long sctps_ecnereducedcwnd;
u_long sctps_vtagexpress; /* Used express lookup via vtag */
u_long sctps_vtagbogus; /* Collision in express lookup. */
u_long sctps_primary_randry; /* Number of times the sender ran dry
* of user data on primary */
u_long sctps_cmt_randry;/* Same for above */
u_long sctps_slowpath_sack; /* Sacks the slow way */
u_long sctps_wu_sacks_sent; /* Window Update only sacks sent */
u_long sctps_locks_in_rcv; /* How man so_rcv buf locks we did */
u_long sctps_locks_in_rcva; /* How man so_rcv buf locks we did */
u_long sctps_locks_in_rcvb; /* How man so_rcv buf locks we did */
u_long sctps_locks_in_rcvc; /* How man so_rcv buf locks we did */
u_long sctps_locks_in_rcvd; /* How man so_rcv buf locks we did */
u_long sctps_locks_in_rcve; /* How man so_rcv buf locks we did */
u_long sctps_locks_in_rcvf; /* How man so_rcv buf locks we did */
};
#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_long(&sctpstat._x, _d)
#define SCTP_STAT_DECR_BY(_x,_d) atomic_add_long(&sctpstat._x, -(_d))
/* The following macros are for handling MIB values, */
#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
union sctp_sockstore {
#ifdef AF_INET
struct sockaddr_in sin;
#endif
#ifdef AF_INET6
struct sockaddr_in6 sin6;
#endif
struct sockaddr sa;
};
/*
* Kernel defined for sctp_send
*/
#if defined(_KERNEL)
int
sctp_lower_sosend(struct socket *so,
struct sockaddr *addr,
struct uio *uio,
struct mbuf *top,
struct mbuf *control,
int flags,
int use_rcvinfo,
struct sctp_sndrcvinfo *srcv,
struct thread *p
);
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);
#endif
/*
* API system calls
*/
#if !(defined(_KERNEL))
__BEGIN_DECLS
int sctp_peeloff __P((int, sctp_assoc_t));
int sctp_bindx __P((int, struct sockaddr *, int, int));
int sctp_connectx __P((int, const struct sockaddr *, int));
int sctp_getaddrlen __P((sa_family_t));
int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **));
void sctp_freepaddrs __P((struct sockaddr *));
int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **));
void sctp_freeladdrs __P((struct sockaddr *));
int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *));
ssize_t sctp_sendmsg
__P((int, const void *, size_t,
const struct sockaddr *,
socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
ssize_t sctp_send __P((int sd, const void *msg, size_t len,
const struct sctp_sndrcvinfo *sinfo, int flags));
ssize_t
sctp_sendx __P((int sd, const void *msg, size_t len,
struct sockaddr *addrs, int addrcnt,
struct sctp_sndrcvinfo *sinfo, int flags));
ssize_t
sctp_sendmsgx __P((int sd, const void *, size_t,
struct sockaddr *, int,
uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
sctp_assoc_t
sctp_getassocid __P((int sd, struct sockaddr *sa));
ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *,
socklen_t *, struct sctp_sndrcvinfo *, int *));
__END_DECLS
#endif /* !_KERNEL */
#endif /* !__sctp_uio_h__ */
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