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#
# SCTP configuration
#
menuconfig IP_SCTP
tristate "The SCTP Protocol (EXPERIMENTAL)"
depends on INET && EXPERIMENTAL
depends on IPV6 || IPV6=n
select CRYPTO
select CRYPTO_HMAC
select CRYPTO_SHA1
select CRYPTO_MD5 if SCTP_HMAC_MD5
select LIBCRC32C
---help---
Stream Control Transmission Protocol
From RFC 2960 <http://www.ietf.org/rfc/rfc2960.txt>.
"SCTP is a reliable transport protocol operating on top of a
connectionless packet network such as IP. It offers the following
services to its users:
-- acknowledged error-free non-duplicated transfer of user data,
-- data fragmentation to conform to discovered path MTU size,
-- sequenced delivery of user messages within multiple streams,
with an option for order-of-arrival delivery of individual user
messages,
-- optional bundling of multiple user messages into a single SCTP
packet, and
-- network-level fault tolerance through supporting of multi-
homing at either or both ends of an association."
To compile this protocol support as a module, choose M here: the
module will be called sctp.
If in doubt, say N.
if IP_SCTP
config NET_SCTPPROBE
tristate "SCTP: Association probing"
depends on PROC_FS && KPROBES
---help---
This module allows for capturing the changes to SCTP association
state in response to incoming packets. It is used for debugging
SCTP congestion control algorithms. If you don't understand
what was just said, you don't need it: say N.
To compile this code as a module, choose M here: the
module will be called sctp_probe.
config SCTP_DBG_MSG
bool "SCTP: Debug messages"
help
If you say Y, this will enable verbose debugging messages.
If unsure, say N. However, if you are running into problems, use
this option to gather detailed trace information
config SCTP_DBG_OBJCNT
bool "SCTP: Debug object counts"
depends on PROC_FS
help
If you say Y, this will enable debugging support for counting the
type of objects that are currently allocated. This is useful for
identifying memory leaks. This debug information can be viewed by
'cat /proc/net/sctp/sctp_dbg_objcnt'
If unsure, say N
choice
prompt "SCTP: Cookie HMAC Algorithm"
default SCTP_HMAC_MD5
help
HMAC algorithm to be used during association initialization. It
is strongly recommended to use HMAC-SHA1 or HMAC-MD5. See
configuration for Cryptographic API and enable those algorithms
to make usable by SCTP.
config SCTP_HMAC_NONE
bool "None"
help
Choosing this disables the use of an HMAC during association
establishment. It is advised to use either HMAC-MD5 or HMAC-SHA1.
config SCTP_HMAC_SHA1
bool "HMAC-SHA1"
help
Enable the use of HMAC-SHA1 during association establishment. It
is advised to use either HMAC-MD5 or HMAC-SHA1.
config SCTP_HMAC_MD5
bool "HMAC-MD5"
help
Enable the use of HMAC-MD5 during association establishment. It is
advised to use either HMAC-MD5 or HMAC-SHA1.
endchoice
endif # IP_SCTP
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