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