| sctp.4 (869978d4c812a90e9d8be0a73f1b26b80b236424) | sctp.4 (d8b5fd91b9011a1c21b7389e2dade6b9b1f6e425) |
|---|---|
| 1.\" Copyright (c) 2006, Randall Stewart. 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions 5.\" are met: 6.\" 1. Redistributions of source code must retain the above copyright 7.\" notice, this list of conditions and the following disclaimer. 8.\" 2. Redistributions in binary form must reproduce the above copyright --- 21 unchanged lines hidden (view full) --- 30.\" 31.\" $FreeBSD$ 32.\" 33.Dd December 15, 2006 34.Dt SCTP 4 35.Os 36.Sh NAME 37.Nm sctp | 1.\" Copyright (c) 2006, Randall Stewart. 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions 5.\" are met: 6.\" 1. Redistributions of source code must retain the above copyright 7.\" notice, this list of conditions and the following disclaimer. 8.\" 2. Redistributions in binary form must reproduce the above copyright --- 21 unchanged lines hidden (view full) --- 30.\" 31.\" $FreeBSD$ 32.\" 33.Dd December 15, 2006 34.Dt SCTP 4 35.Os 36.Sh NAME 37.Nm sctp |
| 38.Nd Internet Stream Control Transmission Protocol | 38.Nd Internet Stream Transmission Control Protocol |
| 39.Sh SYNOPSIS 40.In sys/types.h 41.In sys/socket.h | 39.Sh SYNOPSIS 40.In sys/types.h 41.In sys/socket.h |
| 42.In netinet/sctp.h | 42.In sys/sctp.h |
| 43.Ft int 44.Fn socket AF_INET SOCK_STREAM IPPROTO_SCTP 45.Ft int 46.Fn socket AF_INET SOCK_SEQPACKET IPPROTO_SCTP 47.Sh DESCRIPTION 48The 49.Tn SCTP 50protocol provides reliable, flow-controlled, two-way --- 98 unchanged lines hidden (view full) --- 149The FreeBSD implementation of 150.Tn SCTP 151also supports the following extensions: 152.Bl -hang -width indent 153.It "sctp partial reliability" 154This extension allows one to have message be skipped and 155not delivered based on some user specified parameters. 156.It "sctp dynamic addressing" | 43.Ft int 44.Fn socket AF_INET SOCK_STREAM IPPROTO_SCTP 45.Ft int 46.Fn socket AF_INET SOCK_SEQPACKET IPPROTO_SCTP 47.Sh DESCRIPTION 48The 49.Tn SCTP 50protocol provides reliable, flow-controlled, two-way --- 98 unchanged lines hidden (view full) --- 149The FreeBSD implementation of 150.Tn SCTP 151also supports the following extensions: 152.Bl -hang -width indent 153.It "sctp partial reliability" 154This extension allows one to have message be skipped and 155not delivered based on some user specified parameters. 156.It "sctp dynamic addressing" |
| 157This extension allows addresses to be added and deleted 158dynamically from an existing association. | 157 This extension allows addresses to be added and deleted 158dynammically from an existing association. |
| 159.It "sctp authentication" 160This extension allows the user to authenticate specific 161peer chunks (including data) to validate that the peer 162who sent the message is in fact the peer who setup the 163association. 164A shared key option is also provided for 165so that two stacks can pre-share keys. 166.It "packet drop" | 159.It "sctp authentication" 160This extension allows the user to authenticate specific 161peer chunks (including data) to validate that the peer 162who sent the message is in fact the peer who setup the 163association. 164A shared key option is also provided for 165so that two stacks can pre-share keys. 166.It "packet drop" |
| 167Some routers support a special satellite protocol that | 167 Some routers support a special satellite protocol that |
| 168will report losses due to corruption. 169This allows retransmissions without subsequent loss in bandwidth 170utilization. 171.It "stream reset" 172This extension allows a user on either side to reset the 173stream sequence numbers used by any or all streams. 174.El 175.Pp 176.Tn SCTP 177supports a number of socket options which can be set with 178.Xr setsockopt 2 179and tested with 180.Xr getsockopt 2 181or | 168will report losses due to corruption. 169This allows retransmissions without subsequent loss in bandwidth 170utilization. 171.It "stream reset" 172This extension allows a user on either side to reset the 173stream sequence numbers used by any or all streams. 174.El 175.Pp 176.Tn SCTP 177supports a number of socket options which can be set with 178.Xr setsockopt 2 179and tested with 180.Xr getsockopt 2 181or |
| 182.Xr sctp_opt_info 3 : | 182.Xr sctp_opt_info 2 : |
| 183.Bl -tag -width ".Dv SCTP_SET_PEER_PRIMARY_ADDR" 184.It Dv SCTP_NODELAY 185Under most circumstances, 186.Tn SCTP 187sends data when it is presented; when outstanding data has not 188yet been acknowledged, it gathers small amounts of output to be 189sent in a single packet once an acknowledgement is received. 190For some clients, such as window systems that send a stream of --- 217 unchanged lines hidden (view full) --- 408.It Dv SCTP_RESET_STREAMS 409This socket option is used to cause a stream sequence 410number or all stream sequence numbers to be reset. 411Note that the peer 412.Tn SCTP 413endpoint must also support the stream reset extension 414as well. 415.El | 183.Bl -tag -width ".Dv SCTP_SET_PEER_PRIMARY_ADDR" 184.It Dv SCTP_NODELAY 185Under most circumstances, 186.Tn SCTP 187sends data when it is presented; when outstanding data has not 188yet been acknowledged, it gathers small amounts of output to be 189sent in a single packet once an acknowledgement is received. 190For some clients, such as window systems that send a stream of --- 217 unchanged lines hidden (view full) --- 408.It Dv SCTP_RESET_STREAMS 409This socket option is used to cause a stream sequence 410number or all stream sequence numbers to be reset. 411Note that the peer 412.Tn SCTP 413endpoint must also support the stream reset extension 414as well. 415.El |
| 416.Sh ERRORS |
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| 416.Sh SEE ALSO 417.Xr accept 2 , 418.Xr bind 2 , 419.Xr connect 2 , 420.Xr listen 2 , 421.Xr sctp_bindx 3 , 422.Xr sctp_connectx 3 , 423.Xr sctp_opt_info 3 , 424.Xr sctp_recvmsg 3 , 425.Xr sctp_sendmsg 3 | 417.Sh SEE ALSO 418.Xr accept 2 , 419.Xr bind 2 , 420.Xr connect 2 , 421.Xr listen 2 , 422.Xr sctp_bindx 3 , 423.Xr sctp_connectx 3 , 424.Xr sctp_opt_info 3 , 425.Xr sctp_recvmsg 3 , 426.Xr sctp_sendmsg 3 |