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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

        ---help---

          Stream Control Transmission Protocol

          From RFC 2960 .

          "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 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"

        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.   If the /proc filesystem is enabled 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