1 # SPDX-License-Identifier: GPL-2.0-only <<
2 # 1 #
3 # SCTP configuration 2 # SCTP configuration
4 # 3 #
5 4
6 menuconfig IP_SCTP 5 menuconfig IP_SCTP
7 tristate "The SCTP Protocol" 6 tristate "The SCTP Protocol"
8 depends on INET 7 depends on INET
9 depends on IPV6 || IPV6=n 8 depends on IPV6 || IPV6=n
10 select CRYPTO 9 select CRYPTO
11 select CRYPTO_HMAC 10 select CRYPTO_HMAC
12 select CRYPTO_SHA1 11 select CRYPTO_SHA1
13 select LIBCRC32C 12 select LIBCRC32C
14 select NET_UDP_TUNNEL !! 13 ---help---
15 help <<
16 Stream Control Transmission Protocol 14 Stream Control Transmission Protocol
17 15
18 From RFC 2960 <http://www.ietf.org/r 16 From RFC 2960 <http://www.ietf.org/rfc/rfc2960.txt>.
19 17
20 "SCTP is a reliable transport protoc 18 "SCTP is a reliable transport protocol operating on top of a
21 connectionless packet network such a 19 connectionless packet network such as IP. It offers the following
22 services to its users: 20 services to its users:
23 21
24 -- acknowledged error-free non-dupli 22 -- acknowledged error-free non-duplicated transfer of user data,
25 -- data fragmentation to conform to 23 -- data fragmentation to conform to discovered path MTU size,
26 -- sequenced delivery of user messag 24 -- sequenced delivery of user messages within multiple streams,
27 with an option for order-of-arrival 25 with an option for order-of-arrival delivery of individual user
28 messages, 26 messages,
29 -- optional bundling of multiple use 27 -- optional bundling of multiple user messages into a single SCTP
30 packet, and 28 packet, and
31 -- network-level fault tolerance thr 29 -- network-level fault tolerance through supporting of multi-
32 homing at either or both ends of an 30 homing at either or both ends of an association."
33 31
34 To compile this protocol support as 32 To compile this protocol support as a module, choose M here: the
35 module will be called sctp. Debug me !! 33 module will be called sctp. Debug messages are handeled by the
36 kernel's dynamic debugging framework 34 kernel's dynamic debugging framework.
37 35
38 If in doubt, say N. 36 If in doubt, say N.
39 37
40 if IP_SCTP 38 if IP_SCTP
41 39
42 config SCTP_DBG_OBJCNT 40 config SCTP_DBG_OBJCNT
43 bool "SCTP: Debug object counts" 41 bool "SCTP: Debug object counts"
44 depends on PROC_FS 42 depends on PROC_FS
45 help 43 help
46 If you say Y, this will enable debug !! 44 If you say Y, this will enable debugging support for counting the
47 type of objects that are currently a !! 45 type of objects that are currently allocated. This is useful for
48 identifying memory leaks. This debug 46 identifying memory leaks. This debug information can be viewed by
49 'cat /proc/net/sctp/sctp_dbg_objcnt' 47 'cat /proc/net/sctp/sctp_dbg_objcnt'
50 48
51 If unsure, say N 49 If unsure, say N
52 choice 50 choice
53 prompt "Default SCTP cookie HMAC encod 51 prompt "Default SCTP cookie HMAC encoding"
54 default SCTP_DEFAULT_COOKIE_HMAC_MD5 52 default SCTP_DEFAULT_COOKIE_HMAC_MD5
55 help 53 help
56 This option sets the default sctp co 54 This option sets the default sctp cookie hmac algorithm
57 when in doubt select 'md5' 55 when in doubt select 'md5'
58 56
59 config SCTP_DEFAULT_COOKIE_HMAC_MD5 57 config SCTP_DEFAULT_COOKIE_HMAC_MD5
60 bool "Enable optional MD5 hmac cookie 58 bool "Enable optional MD5 hmac cookie generation"
61 help 59 help
62 Enable optional MD5 hmac based SCTP 60 Enable optional MD5 hmac based SCTP cookie generation
63 select SCTP_COOKIE_HMAC_MD5 61 select SCTP_COOKIE_HMAC_MD5
64 62
65 config SCTP_DEFAULT_COOKIE_HMAC_SHA1 63 config SCTP_DEFAULT_COOKIE_HMAC_SHA1
66 bool "Enable optional SHA1 hmac cookie 64 bool "Enable optional SHA1 hmac cookie generation"
67 help 65 help
68 Enable optional SHA1 hmac based SCTP 66 Enable optional SHA1 hmac based SCTP cookie generation
69 select SCTP_COOKIE_HMAC_SHA1 67 select SCTP_COOKIE_HMAC_SHA1
70 68
71 config SCTP_DEFAULT_COOKIE_HMAC_NONE 69 config SCTP_DEFAULT_COOKIE_HMAC_NONE
72 bool "Use no hmac alg in SCTP cookie g 70 bool "Use no hmac alg in SCTP cookie generation"
73 help 71 help
74 Use no hmac algorithm in SCTP cookie 72 Use no hmac algorithm in SCTP cookie generation
75 73
76 endchoice 74 endchoice
77 75
78 config SCTP_COOKIE_HMAC_MD5 76 config SCTP_COOKIE_HMAC_MD5
79 bool "Enable optional MD5 hmac cookie 77 bool "Enable optional MD5 hmac cookie generation"
80 help 78 help
81 Enable optional MD5 hmac based SCTP 79 Enable optional MD5 hmac based SCTP cookie generation
82 select CRYPTO_HMAC if SCTP_COOKIE_HMAC 80 select CRYPTO_HMAC if SCTP_COOKIE_HMAC_MD5
83 select CRYPTO_MD5 if SCTP_COOKIE_HMAC_ 81 select CRYPTO_MD5 if SCTP_COOKIE_HMAC_MD5
84 82
85 config SCTP_COOKIE_HMAC_SHA1 83 config SCTP_COOKIE_HMAC_SHA1
86 bool "Enable optional SHA1 hmac cookie 84 bool "Enable optional SHA1 hmac cookie generation"
87 help 85 help
88 Enable optional SHA1 hmac based SCTP 86 Enable optional SHA1 hmac based SCTP cookie generation
89 select CRYPTO_HMAC if SCTP_COOKIE_HMAC 87 select CRYPTO_HMAC if SCTP_COOKIE_HMAC_SHA1
90 select CRYPTO_SHA1 if SCTP_COOKIE_HMAC 88 select CRYPTO_SHA1 if SCTP_COOKIE_HMAC_SHA1
91 89
92 config INET_SCTP_DIAG 90 config INET_SCTP_DIAG
93 depends on INET_DIAG 91 depends on INET_DIAG
94 def_tristate INET_DIAG 92 def_tristate INET_DIAG
95 93
96 94
97 endif # IP_SCTP 95 endif # IP_SCTP
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