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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 <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 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