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# SPDX-License-Identifier: GPL-2.0-only
#
# SCTP configuration
#
menuconfig IP_SCTP
tristate "The SCTP Protocol"
depends on INET
depends on IPV6 || IPV6=n
select CRYPTO_LIB_SHA1
select CRYPTO_LIB_SHA256
select CRYPTO_LIB_UTILS
select NET_CRC32C
select NET_UDP_TUNNEL
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. Debug messages are handled by the
kernel's dynamic debugging framework.
If in doubt, say N.
if IP_SCTP
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 "Default SCTP cookie authentication method"
default SCTP_DEFAULT_COOKIE_HMAC_SHA256
help
This option sets the default SCTP cookie authentication method, for
when a method hasn't been explicitly selected via the
net.sctp.cookie_hmac_alg sysctl.
If unsure, choose the default (HMAC-SHA256).
config SCTP_DEFAULT_COOKIE_HMAC_SHA256
bool "HMAC-SHA256"
config SCTP_DEFAULT_COOKIE_HMAC_NONE
bool "None"
endchoice
config INET_SCTP_DIAG
depends on INET_DIAG
def_tristate INET_DIAG
endif # IP_SCTP
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