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Linux/net/sctp/Kconfig

  1 #
  2 # SCTP configuration
  3 #
  4 
  5 menuconfig IP_SCTP
  6         tristate "The SCTP Protocol"
  7         depends on INET
  8         depends on IPV6 || IPV6=n
  9         select CRYPTO
 10         select CRYPTO_HMAC
 11         select CRYPTO_SHA1
 12         select LIBCRC32C
 13         ---help---
 14           Stream Control Transmission Protocol
 15 
 16           From RFC 2960 <http://www.ietf.org/rfc/rfc2960.txt>.
 17 
 18           "SCTP is a reliable transport protocol operating on top of a
 19           connectionless packet network such as IP.  It offers the following
 20           services to its users:
 21 
 22           -- acknowledged error-free non-duplicated transfer of user data,
 23           -- data fragmentation to conform to discovered path MTU size,
 24           -- sequenced delivery of user messages within multiple streams,
 25           with an option for order-of-arrival delivery of individual user
 26           messages,
 27           -- optional bundling of multiple user messages into a single SCTP
 28           packet, and
 29           -- network-level fault tolerance through supporting of multi-
 30           homing at either or both ends of an association."
 31 
 32           To compile this protocol support as a module, choose M here: the
 33           module will be called sctp. Debug messages are handeled by the
 34           kernel's dynamic debugging framework.
 35 
 36           If in doubt, say N.
 37 
 38 if IP_SCTP
 39 
 40 config NET_SCTPPROBE
 41         tristate "SCTP: Association probing"
 42         depends on PROC_FS && KPROBES
 43         ---help---
 44         This module allows for capturing the changes to SCTP association
 45         state in response to incoming packets. It is used for debugging
 46         SCTP congestion control algorithms. If you don't understand
 47         what was just said, you don't need it: say N.
 48 
 49         To compile this code as a module, choose M here: the
 50         module will be called sctp_probe.
 51 
 52 config SCTP_DBG_OBJCNT
 53         bool "SCTP: Debug object counts"
 54         depends on PROC_FS
 55         help
 56           If you say Y, this will enable debugging support for counting the 
 57           type of objects that are currently allocated.  This is useful for 
 58           identifying memory leaks. This debug information can be viewed by
 59           'cat /proc/net/sctp/sctp_dbg_objcnt'
 60 
 61           If unsure, say N
 62 choice
 63         prompt "Default SCTP cookie HMAC encoding"
 64         default SCTP_DEFAULT_COOKIE_HMAC_MD5
 65         help
 66           This option sets the default sctp cookie hmac algorithm
 67           when in doubt select 'md5'
 68 
 69 config SCTP_DEFAULT_COOKIE_HMAC_MD5
 70         bool "Enable optional MD5 hmac cookie generation"
 71         help
 72           Enable optional MD5 hmac based SCTP cookie generation
 73         select SCTP_COOKIE_HMAC_MD5
 74 
 75 config SCTP_DEFAULT_COOKIE_HMAC_SHA1
 76         bool "Enable optional SHA1 hmac cookie generation"
 77         help
 78           Enable optional SHA1 hmac based SCTP cookie generation
 79         select SCTP_COOKIE_HMAC_SHA1
 80 
 81 config SCTP_DEFAULT_COOKIE_HMAC_NONE
 82         bool "Use no hmac alg in SCTP cookie generation"
 83         help
 84           Use no hmac algorithm in SCTP cookie generation
 85 
 86 endchoice
 87 
 88 config SCTP_COOKIE_HMAC_MD5
 89         bool "Enable optional MD5 hmac cookie generation"
 90         help
 91           Enable optional MD5 hmac based SCTP cookie generation
 92         select CRYPTO_HMAC if SCTP_COOKIE_HMAC_MD5
 93         select CRYPTO_MD5 if SCTP_COOKIE_HMAC_MD5
 94 
 95 config SCTP_COOKIE_HMAC_SHA1
 96         bool "Enable optional SHA1 hmac cookie generation"
 97         help
 98           Enable optional SHA1 hmac based SCTP cookie generation
 99         select CRYPTO_HMAC if SCTP_COOKIE_HMAC_SHA1
100         select CRYPTO_SHA1 if SCTP_COOKIE_HMAC_SHA1
101 
102 
103 endif # IP_SCTP

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