Root/net/sctp/Kconfig

1#
2# SCTP configuration
3#
4
5menuconfig IP_SCTP
6    tristate "The SCTP Protocol (EXPERIMENTAL)"
7    depends on INET && EXPERIMENTAL
8    depends on IPV6 || IPV6=n
9    select CRYPTO
10    select CRYPTO_HMAC
11    select CRYPTO_SHA1
12    select CRYPTO_MD5 if SCTP_HMAC_MD5
13    select LIBCRC32C
14    ---help---
15      Stream Control Transmission Protocol
16
17      From RFC 2960 <http://www.ietf.org/rfc/rfc2960.txt>.
18
19      "SCTP is a reliable transport protocol operating on top of a
20      connectionless packet network such as IP. It offers the following
21      services to its users:
22
23      -- acknowledged error-free non-duplicated transfer of user data,
24      -- data fragmentation to conform to discovered path MTU size,
25      -- sequenced delivery of user messages within multiple streams,
26      with an option for order-of-arrival delivery of individual user
27      messages,
28      -- optional bundling of multiple user messages into a single SCTP
29      packet, and
30      -- network-level fault tolerance through supporting of multi-
31      homing at either or both ends of an association."
32
33      To compile this protocol support as a module, choose M here: the
34      module will be called sctp.
35
36      If in doubt, say N.
37
38if IP_SCTP
39
40config SCTP_DBG_MSG
41    bool "SCTP: Debug messages"
42    help
43      If you say Y, this will enable verbose debugging messages.
44
45      If unsure, say N. However, if you are running into problems, use
46      this option to gather detailed trace information
47
48config SCTP_DBG_OBJCNT
49    bool "SCTP: Debug object counts"
50    depends on PROC_FS
51    help
52      If you say Y, this will enable debugging support for counting the
53      type of objects that are currently allocated. This is useful for
54      identifying memory leaks. This debug information can be viewed by
55      'cat /proc/net/sctp/sctp_dbg_objcnt'
56
57      If unsure, say N
58
59choice
60    prompt "SCTP: Cookie HMAC Algorithm"
61    default SCTP_HMAC_MD5
62    help
63      HMAC algorithm to be used during association initialization. It
64      is strongly recommended to use HMAC-SHA1 or HMAC-MD5. See
65      configuration for Cryptographic API and enable those algorithms
66          to make usable by SCTP.
67
68config SCTP_HMAC_NONE
69    bool "None"
70    help
71      Choosing this disables the use of an HMAC during association
72      establishment. It is advised to use either HMAC-MD5 or HMAC-SHA1.
73
74config SCTP_HMAC_SHA1
75    bool "HMAC-SHA1"
76    help
77      Enable the use of HMAC-SHA1 during association establishment. It
78      is advised to use either HMAC-MD5 or HMAC-SHA1.
79
80config SCTP_HMAC_MD5
81    bool "HMAC-MD5"
82    help
83      Enable the use of HMAC-MD5 during association establishment. It is
84      advised to use either HMAC-MD5 or HMAC-SHA1.
85
86endchoice
87
88endif # IP_SCTP
89

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