linux starting adding sctp support

3 files changed, 233 insertions, 1 deletions

diff --git a/libc-test/build.rs b/libc-test/build.rs
index 79c5fbc7fd..d73879d045 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -3235,8 +3235,8 @@ fn test_linux(target: &str) {
         "linux/reboot.h",
         "linux/rtnetlink.h",
         "linux/sched.h",
+        "linux/sctp.h",
         "linux/seccomp.h",
-        "linux/sched.h",
         "linux/sock_diag.h",
         "linux/sockios.h",
         "linux/uinput.h",
@@ -3398,6 +3398,8 @@ fn test_linux(target: &str) {
             // FIXME: Unignore once we update Ubuntu to 22.04
             "mallinfo2" if sparc64 => true,
             "ptrace_rseq_configuration" if sparc64 => true,
+            "sctp_initmsg" | "sctp_sndrcvinfo" | "sctp_sndinfo" | "sctp_rcvinfo"
+            | "sctp_nxtinfo" | "sctp_prinfo" | "sctp_authinfo" => true,
 
             _ => false,
         }
@@ -3657,6 +3659,7 @@ fn test_linux(target: &str) {
             | "IFLA_TSO_MAX_SEGS"        // linux v5.18+
             | "IFLA_ALLMULTI"            // linux v6.0+
                 => true,
+            "SCTP_FUTURE_ASSOC" | "SCTP_CURRENT_ASSOC" | "SCTP_ALL_ASSOC" | "SCTP_PEER_ADDR_THLDS_V2" => true, // linux 5.5+
 
             _ => false,
         }
diff --git a/libc-test/semver/linux.txt b/libc-test/semver/linux.txt
index 2907fc09e2..f2e482c5ea 100644
--- a/libc-test/semver/linux.txt
+++ b/libc-test/semver/linux.txt
@@ -1324,6 +1324,7 @@ MSG_INFO
 MSG_MORE
 MSG_NOERROR
 MSG_NOSIGNAL
+MSG_NOTIFICATION
 MSG_RST
 MSG_STAT
 MSG_SYN
@@ -2145,6 +2146,70 @@ SCM_J1939_ERRQUEUE
 SCM_J1939_PRIO
 SCM_TIMESTAMP
 SCM_TIMESTAMPING
+SCTP_ABORT
+SCTP_ADDR_OVER
+SCTP_ALL_ASSOC
+SCTP_ASSOCINFO
+SCTP_AUTH_CHUNK
+SCTP_AUTH_ACTIVE_KEY
+SCTP_AUTH_DEACTIVATE_KEY
+SCTP_AUTH_DELETE_KEY
+SCTP_AUTH_KEY
+SCTP_AUTO_ASCONF
+SCTP_AUTOCLOSE
+SCTP_CONTEXT
+SCTP_CURRENT_ASSOC
+SCTP_DELAYED_ACK
+SCTP_DELAYED_ACK_TIME
+SCTP_DELAYED_SACK
+SCTP_DEFAULT_SEND_PARAM
+SCTP_DEFAULT_SNDINFO
+SCTP_ENABLE_CHANGE_ASSOC_REQ
+SCTP_ENABLE_RESET_ASSOC_REQ
+SCTP_ENABLE_RESET_STREAM_REQ
+SCTP_ENABLE_STRRESET_MASK
+SCTP_EOF
+SCTP_EVENTS
+SCTP_FRAGMENT_INTERLEAVE
+SCTP_FUTURE_ASSOC
+SCTP_GET_ASSOC_ID_LIST
+SCTP_GET_ASSOC_NUMBER
+SCTP_GET_PEER_ADDR_INFO
+SCTP_HMAC_IDENT
+SCTP_I_WANT_MAPPED_V4_ADDR
+SCTP_INIT
+SCTP_INITMSG
+SCTP_LOCAL_AUTH_CHUNKS
+SCTP_MAX_BURST
+SCTP_MAXSEG
+SCTP_NODELAY
+SCTP_NOTIFICATION
+SCTP_NXTINFO
+SCTP_PARTIAL_DELIVERY_POINT
+SCTP_PEER_ADDR_PARAMS
+SCTP_PEER_ADDR_THLDS
+SCTP_PEER_ADDR_THLDS_V2
+SCTP_PEER_AUTH_CHUNKS
+SCTP_PR_SCTP_ALL
+SCTP_PR_SCTP_NONE
+SCTP_PR_SCTP_MASK
+SCTP_PR_SCTP_MAX
+SCTP_PR_SCTP_PRIO
+SCTP_PR_SCTP_RTX
+SCTP_PR_SCTP_TTL
+SCTP_PRIMARY_ADDR
+SCTP_RECVNXTINFO
+SCTP_RECVRCVINFO
+SCTP_REUSE_PORT
+SCTP_RTOINFO
+SCTP_SACK_IMMEDIATELY
+SCTP_SENDALL
+SCTP_SET_PEER_PRIMARY_ADDR
+SCTP_SNDRCV
+SCTP_STATUS
+SCTP_STREAM_RESET_INCOMING
+SCTP_STREAM_RESET_OUTGOING
+SCTP_UNORDERED
 SECCOMP_FILTER_FLAG_LOG
 SECCOMP_FILTER_FLAG_SPEC_ALLOW
 SECCOMP_FILTER_FLAG_TSYNC
@@ -3233,6 +3298,7 @@ sched_rr_get_interval
 sched_setaffinity
 sched_setparam
 sched_setscheduler
+sctp_assoc_t
 seccomp_data
 seed48
 seekdir
diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs
index 3481dcc044..081ef8b0d0 100644
--- a/src/unix/linux_like/linux/mod.rs
+++ b/src/unix/linux_like/linux/mod.rs
@@ -48,6 +48,9 @@ pub type name_t = u64;
 
 pub type iconv_t = *mut ::c_void;
 
+// linux/sctp.h
+pub type sctp_assoc_t = ::__s32;
+
 #[cfg_attr(feature = "extra_traits", derive(Debug))]
 pub enum fpos64_t {} // FIXME: fill this out with a struct
 impl ::Copy for fpos64_t {}
@@ -625,6 +628,63 @@ s! {
         pub flag: *mut ::c_int,
         pub val: ::c_int,
     }
+
+    // linux/sctp.h
+
+    pub struct sctp_initmsg {
+        pub sinit_num_ostreams: ::__u16,
+        pub sinit_max_instreams: ::__u16,
+        pub sinit_max_attempts: ::__u16,
+        pub sinit_max_init_timeo: ::__u16,
+    }
+
+    pub struct sctp_sndrcvinfo {
+        pub sinfo_stream: ::__u16,
+        pub sinfo_ssn: ::__u16,
+        pub sinfo_flags: ::__u16,
+        pub sinfo_ppid: ::__u32,
+        pub sinfo_context: ::__u32,
+        pub sinfo_timetolive: ::__u32,
+        pub sinfo_tsn: ::__u32,
+        pub sinfo_cumtsn: ::__u32,
+        pub sinfo_assoc_id: ::sctp_assoc_t,
+    }
+
+    pub struct sctp_sndinfo {
+        pub snd_sid: ::__u16,
+        pub snd_flags: ::__u16,
+        pub snd_ppid: ::__u32,
+        pub snd_context: ::__u32,
+        pub snd_assoc_id: ::sctp_assoc_t,
+    }
+
+    pub struct sctp_rcvinfo {
+        pub rcv_sid: ::__u16,
+        pub rcv_ssn: ::__u16,
+        pub rcv_flags: ::__u16,
+        pub rcv_ppid: ::__u32,
+        pub rcv_tsn: ::__u32,
+        pub rcv_cumtsn: ::__u32,
+        pub rcv_context: ::__u32,
+        pub rcv_assoc_id: ::sctp_assoc_t,
+    }
+
+    pub struct sctp_nxtinfo {
+        pub nxt_sid: ::__u16,
+        pub nxt_flags: ::__u16,
+        pub nxt_ppid: ::__u32,
+        pub nxt_length: ::__u32,
+        pub nxt_assoc_id: ::sctp_assoc_t,
+    }
+
+    pub struct sctp_prinfo {
+        pub pr_policy: ::__u16,
+        pub pr_value: ::__u32,
+    }
+
+    pub struct sctp_authinfo {
+        pub auth_keynumber: ::__u16,
+    }
 }
 
 s_no_extra_traits! {
@@ -1853,6 +1913,7 @@ pub const IPC_STAT: ::c_int = 2;
 pub const IPC_INFO: ::c_int = 3;
 pub const MSG_STAT: ::c_int = 11;
 pub const MSG_INFO: ::c_int = 12;
+pub const MSG_NOTIFICATION: ::c_int = 0x8000;
 
 pub const MSG_NOERROR: ::c_int = 0o10000;
 pub const MSG_EXCEPT: ::c_int = 0o20000;
@@ -3630,6 +3691,82 @@ pub const J1939_EE_INFO_RX_ABORT: ::c_int = 4;
 
 pub const J1939_FILTER_MAX: ::c_int = 512;
 
+// linux/sctp.h
+pub const SCTP_FUTURE_ASSOC: ::c_int = 0;
+pub const SCTP_CURRENT_ASSOC: ::c_int = 1;
+pub const SCTP_ALL_ASSOC: ::c_int = 2;
+pub const SCTP_RTOINFO: ::c_int = 0;
+pub const SCTP_ASSOCINFO: ::c_int = 1;
+pub const SCTP_INITMSG: ::c_int = 2;
+pub const SCTP_NODELAY: ::c_int = 3;
+pub const SCTP_AUTOCLOSE: ::c_int = 4;
+pub const SCTP_SET_PEER_PRIMARY_ADDR: ::c_int = 5;
+pub const SCTP_PRIMARY_ADDR: ::c_int = 6;
+pub const SCTP_ADAPTATION_LAYER: ::c_int = 7;
+pub const SCTP_DISABLE_FRAGMENTS: ::c_int = 8;
+pub const SCTP_PEER_ADDR_PARAMS: ::c_int = 9;
+pub const SCTP_DEFAULT_SEND_PARAM: ::c_int = 10;
+pub const SCTP_EVENTS: ::c_int = 11;
+pub const SCTP_I_WANT_MAPPED_V4_ADDR: ::c_int = 12;
+pub const SCTP_MAXSEG: ::c_int = 13;
+pub const SCTP_STATUS: ::c_int = 14;
+pub const SCTP_GET_PEER_ADDR_INFO: ::c_int = 15;
+pub const SCTP_DELAYED_ACK_TIME: ::c_int = 16;
+pub const SCTP_DELAYED_ACK: ::c_int = SCTP_DELAYED_ACK_TIME;
+pub const SCTP_DELAYED_SACK: ::c_int = SCTP_DELAYED_ACK_TIME;
+pub const SCTP_CONTEXT: ::c_int = 17;
+pub const SCTP_FRAGMENT_INTERLEAVE: ::c_int = 18;
+pub const SCTP_PARTIAL_DELIVERY_POINT: ::c_int = 19;
+pub const SCTP_MAX_BURST: ::c_int = 20;
+pub const SCTP_AUTH_CHUNK: ::c_int = 21;
+pub const SCTP_HMAC_IDENT: ::c_int = 22;
+pub const SCTP_AUTH_KEY: ::c_int = 23;
+pub const SCTP_AUTH_ACTIVE_KEY: ::c_int = 24;
+pub const SCTP_AUTH_DELETE_KEY: ::c_int = 25;
+pub const SCTP_PEER_AUTH_CHUNKS: ::c_int = 26;
+pub const SCTP_LOCAL_AUTH_CHUNKS: ::c_int = 27;
+pub const SCTP_GET_ASSOC_NUMBER: ::c_int = 28;
+pub const SCTP_GET_ASSOC_ID_LIST: ::c_int = 29;
+pub const SCTP_AUTO_ASCONF: ::c_int = 30;
+pub const SCTP_PEER_ADDR_THLDS: ::c_int = 31;
+pub const SCTP_RECVRCVINFO: ::c_int = 32;
+pub const SCTP_RECVNXTINFO: ::c_int = 33;
+pub const SCTP_DEFAULT_SNDINFO: ::c_int = 34;
+pub const SCTP_AUTH_DEACTIVATE_KEY: ::c_int = 35;
+pub const SCTP_REUSE_PORT: ::c_int = 36;
+pub const SCTP_PEER_ADDR_THLDS_V2: ::c_int = 37;
+pub const SCTP_PR_SCTP_NONE: ::c_int = 0x0000;
+pub const SCTP_PR_SCTP_TTL: ::c_int = 0x0010;
+pub const SCTP_PR_SCTP_RTX: ::c_int = 0x0020;
+pub const SCTP_PR_SCTP_PRIO: ::c_int = 0x0030;
+pub const SCTP_PR_SCTP_MAX: ::c_int = SCTP_PR_SCTP_PRIO;
+pub const SCTP_PR_SCTP_MASK: ::c_int = 0x0030;
+pub const SCTP_ENABLE_RESET_STREAM_REQ: ::c_int = 0x01;
+pub const SCTP_ENABLE_RESET_ASSOC_REQ: ::c_int = 0x02;
+pub const SCTP_ENABLE_CHANGE_ASSOC_REQ: ::c_int = 0x04;
+pub const SCTP_ENABLE_STRRESET_MASK: ::c_int = 0x07;
+pub const SCTP_STREAM_RESET_INCOMING: ::c_int = 0x01;
+pub const SCTP_STREAM_RESET_OUTGOING: ::c_int = 0x02;
+
+pub const SCTP_INIT: ::c_int = 0;
+pub const SCTP_SNDRCV: ::c_int = 1;
+pub const SCTP_SNDINFO: ::c_int = 2;
+pub const SCTP_RCVINFO: ::c_int = 3;
+pub const SCTP_NXTINFO: ::c_int = 4;
+pub const SCTP_PRINFO: ::c_int = 5;
+pub const SCTP_AUTHINFO: ::c_int = 6;
+pub const SCTP_DSTADDRV4: ::c_int = 7;
+pub const SCTP_DSTADDRV6: ::c_int = 8;
+
+pub const SCTP_UNORDERED: ::c_int = 1 << 0;
+pub const SCTP_ADDR_OVER: ::c_int = 1 << 1;
+pub const SCTP_ABORT: ::c_int = 1 << 2;
+pub const SCTP_SACK_IMMEDIATELY: ::c_int = 1 << 3;
+pub const SCTP_SENDALL: ::c_int = 1 << 6;
+pub const SCTP_PR_SCTP_ALL: ::c_int = 1 << 7;
+pub const SCTP_NOTIFICATION: ::c_int = MSG_NOTIFICATION;
+pub const SCTP_EOF: ::c_int = ::MSG_FIN;
+
 f! {
     pub fn NLA_ALIGN(len: ::c_int) -> ::c_int {
         return ((len) + NLA_ALIGNTO - 1) & !(NLA_ALIGNTO - 1)
@@ -3705,6 +3842,20 @@ f! {
         set1.bits == set2.bits
     }
 
+    pub fn SCTP_PR_INDEX(policy: ::c_int) -> ::c_int {
+        policy >> 4 - 1
+    }
+
+    pub fn SCTP_PR_POLICY(policy: ::c_int) -> ::c_int {
+        policy & SCTP_PR_SCTP_MASK
+    }
+
+    pub fn SCTP_PR_SET_POLICY(flags: &mut ::c_int, policy: ::c_int) -> () {
+        *flags &= !SCTP_PR_SCTP_MASK;
+        *flags |= policy;
+        ()
+    }
+
     pub fn major(dev: ::dev_t) -> ::c_uint {
         let mut major = 0;
         major |= (dev & 0x00000000000fff00) >> 8;
@@ -3771,6 +3922,18 @@ safe_f! {
         dev |= (minor & 0xffffff00) << 12;
         dev
     }
+
+    pub {const} fn SCTP_PR_TTL_ENABLED(policy: ::c_int) -> bool {
+        policy == SCTP_PR_SCTP_TTL
+    }
+
+    pub {const} fn SCTP_PR_RTX_ENABLED(policy: ::c_int) -> bool {
+        policy == SCTP_PR_SCTP_RTX
+    }
+
+    pub {const} fn SCTP_PR_PRIO_ENABLED(policy: ::c_int) -> bool {
+        policy == SCTP_PR_SCTP_PRIO
+    }
 }
 
 cfg_if! {