freebsd(13.2): add netlink/netlink.h support

libc-test/Cargo.toml

@@ -32,6 +32,10 @@ extra_traits = ["libc/extra_traits"]
 name = "ctest"
 harness = false
 
+[[test]]
+name = "freebsd_netlink"
+harness = false
+
 [[test]]
 name = "linux_fcntl"
 harness = false

libc-test/build/main.rs

@@ -2470,6 +2470,98 @@ fn test_android(t: &Target) {
 }
 
 fn test_freebsd(t: &Target) {
+    // Ensures we have only one place where the `netlink/netlink.h` constants
+    // are checked in. This is used both when generating the full test suite,
+    // and when generating the `netlink`-specific test suite.
+    #[inline]
+    fn is_netlink_const(it: &ctest::Const) -> bool {
+        matches!(
+            it.ident(),
+            "CTRL_CMD_UNSPEC"
+                | "CTRL_CMD_NEWFAMILY"
+                | "CTRL_CMD_DELFAMILY"
+                | "CTRL_CMD_GETFAMILY"
+                | "CTRL_CMD_NEWOPS"
+                | "CTRL_CMD_DELOPS"
+                | "CTRL_CMD_GETOPS"
+                | "CTRL_CMD_NEWMCAST_GRP"
+                | "CTRL_CMD_DELMCAST_GRP"
+                | "CTRL_CMD_GETMCAST_GRP"
+                | "CTRL_CMD_GETPOLICY"
+                | "CTRL_ATTR_UNSPEC"
+                | "CTRL_ATTR_FAMILY_ID"
+                | "CTRL_ATTR_FAMILY_NAME"
+                | "CTRL_ATTR_VERSION"
+                | "CTRL_ATTR_HDRSIZE"
+                | "CTRL_ATTR_MAXATTR"
+                | "CTRL_ATTR_OPS"
+                | "CTRL_ATTR_MCAST_GROUPS"
+                | "CTRL_ATTR_POLICY"
+                | "CTRL_ATTR_OP_POLICY"
+                | "CTRL_ATTR_OP"
+                | "CTRL_ATTR_MCAST_GRP_UNSPEC"
+                | "CTRL_ATTR_MCAST_GRP_NAME"
+                | "CTRL_ATTR_MCAST_GRP_ID"
+                | "SOL_NETLINK"
+                | "NETLINK_ADD_MEMBERSHIP"
+                | "NETLINK_DROP_MEMBERSHIP"
+                | "NETLINK_PKTINFO"
+                | "NETLINK_BROADCAST_ERROR"
+                | "NETLINK_NO_ENOBUFS"
+                | "NETLINK_RX_RING"
+                | "NETLINK_TX_RING"
+                | "NETLINK_LISTEN_ALL_NSID"
+                | "NETLINK_LIST_MEMBERSHIPS"
+                | "NETLINK_CAP_ACK"
+                | "NETLINK_EXT_ACK"
+                | "NETLINK_GET_STRICT_CHK"
+                | "NLM_F_REQUEST"
+                | "NLM_F_MULTI"
+                | "NLM_F_ACK"
+                | "NLM_F_ECHO"
+                | "NLM_F_DUMP_INTR"
+                | "NLM_F_DUMP_FILTERED"
+                | "NLM_F_ROOT"
+                | "NLM_F_MATCH"
+                | "NLM_F_ATOMIC"
+                | "NLM_F_DUMP"
+                | "NLM_F_REPLACE"
+                | "NLM_F_EXCL"
+                | "NLM_F_CREATE"
+                | "NLM_F_APPEND"
+                | "NLM_F_NONREC"
+                | "NLM_F_CAPPED"
+                | "NLM_F_ACK_TLVS"
+                | "NLMSG_NOOP"
+                | "NLMSG_ERROR"
+                | "NLMSG_DONE"
+                | "NLMSG_OVERRUN"
+                | "NETLINK_ROUTE"
+                | "NETLINK_UNUSED"
+                | "NETLINK_USERSOCK"
+                | "NETLINK_FIREWALL"
+                | "NETLINK_SOCK_DIAG"
+                | "NETLINK_NFLOG"
+                | "NETLINK_XFRM"
+                | "NETLINK_SELINUX"
+                | "NETLINK_ISCSI"
+                | "NETLINK_AUDIT"
+                | "NETLINK_FIB_LOOKUP"
+                | "NETLINK_CONNECTOR"
+                | "NETLINK_NETFILTER"
+                | "NETLINK_IP6_FW"
+                | "NETLINK_DNRTMSG"
+                | "NETLINK_KOBJECT_UEVENT"
+                | "NETLINK_GENERIC"
+                | "NL_ITEM_ALIGN_SIZE"
+                | "NLMSG_ALIGNTO"
+        )
+    }
+    #[inline]
+    fn is_netlink_struct(it: &ctest::Struct) -> bool {
+        matches!(it.ident(), "sockaddr_nl")
+    }
+
     assert!(t.freebsd());
     let mut cfg = ctest_cfg();
 
@@ -2517,6 +2609,18 @@ fn test_freebsd(t: &Target) {
     let freebsd14 = matches!(freebsd_ver, Some(n) if n >= 14);
     let freebsd15 = matches!(freebsd_ver, Some(n) if n >= 15);
 
+    let mut netlink_cfg = cfg.clone();
+    headers!(netlink_cfg, "netlink/netlink.h",);
+    netlink_cfg
+        .skip_struct(|ty| !is_netlink_struct(ty))
+        .skip_const(|c| !is_netlink_const(c))
+        .skip_union(|_| true)
+        .skip_alias(|_| true)
+        .skip_static(|_| true)
+        .skip_fn(|_| true)
+        .skip_c_enum(|_| true);
+    ctest::generate_test(&mut netlink_cfg, "../src/lib.rs", "netlink_ctest_output.rs").unwrap();
+
     headers!(
         cfg,
         "aio.h",
@@ -2689,6 +2793,10 @@ fn test_freebsd(t: &Target) {
 
     cfg.skip_const(move |constant| {
         match constant.ident() {
+            // `netlink/netlink.h` constants. These are tests in a separate ctest
+            // invocation.
+            _ if is_netlink_const(constant) => true,
+
             // These constants were introduced in FreeBSD 13:
             "F_ADD_SEALS" | "F_GET_SEALS" | "F_SEAL_SEAL" | "F_SEAL_SHRINK" | "F_SEAL_GROW"
             | "F_SEAL_WRITE"
@@ -2974,6 +3082,8 @@ fn test_freebsd(t: &Target) {
 
     cfg.skip_struct(move |struct_| {
         match struct_.ident() {
+            _ if is_netlink_struct(struct_) => true,
+
             // `procstat` is a private struct
             "procstat" => true,
 

libc-test/semver/freebsd.txt

@@ -44,6 +44,7 @@ AF_LOCAL
 AF_NATM
 AF_NETBIOS
 AF_NETGRAPH
+AF_NETLINK
 AF_OSI
 AF_PUP
 AF_ROUTE
@@ -1024,6 +1025,7 @@ PF_LOCAL
 PF_NATM
 PF_NETBIOS
 PF_NETGRAPH
+PF_NETLINK
 PF_OSI
 PF_PIP
 PF_PUP
@@ -2180,6 +2182,84 @@ msgrcv
 msgsnd
 msqid_ds
 nallocx
+netlink::NETLINK_ADD_MEMBERSHIP
+netlink::NETLINK_AUDIT
+netlink::NETLINK_BROADCAST_ERROR
+netlink::NETLINK_CAP_ACK
+netlink::NETLINK_CONNECTOR
+netlink::NETLINK_DNRTMSG
+netlink::NETLINK_DROP_MEMBERSHIP
+netlink::NETLINK_EXT_ACK
+netlink::NETLINK_FIB_LOOKUP
+netlink::NETLINK_FIREWALL
+netlink::NETLINK_GENERIC
+netlink::NETLINK_GET_STRICT_CHK
+netlink::NETLINK_IP6_FW
+netlink::NETLINK_ISCSI
+netlink::NETLINK_KOBJECT_UEVENT
+netlink::NETLINK_LISTEN_ALL_NSID
+netlink::NETLINK_LIST_MEMBERSHIPS
+netlink::NETLINK_NETFILTER
+netlink::NETLINK_NFLOG
+netlink::NETLINK_NO_ENOBUFS
+netlink::NETLINK_PKTINFO
+netlink::NETLINK_ROUTE
+netlink::NETLINK_RX_RING
+netlink::NETLINK_SELINUX
+netlink::NETLINK_SOCK_DIAG
+netlink::NETLINK_TX_RING
+netlink::NETLINK_UNUSED
+netlink::NETLINK_USERSOCK
+netlink::NETLINK_XFRM
+netlink::NLMSG_ALIGNTO
+netlink::NLMSG_DONE
+netlink::NLMSG_ERROR
+netlink::NLMSG_NOOP
+netlink::NLMSG_OVERRUN
+netlink::NLM_F_ACK
+netlink::NLM_F_ACK_TLVS
+netlink::NLM_F_APPEND
+netlink::NLM_F_ATOMIC
+netlink::NLM_F_CAPPED
+netlink::NLM_F_CREATE
+netlink::NLM_F_DUMP
+netlink::NLM_F_DUMP_FILTERED
+netlink::NLM_F_DUMP_INTR
+netlink::NLM_F_ECHO
+netlink::NLM_F_EXCL
+netlink::NLM_F_MATCH
+netlink::NLM_F_MULTI
+netlink::NLM_F_NONREC
+netlink::NLM_F_REPLACE
+netlink::NLM_F_REQUEST
+netlink::NLM_F_ROOT
+netlink::NL_ITEM_ALIGN_SIZE
+netlink::SOL_NETLINK
+netlink::CTRL_ATTR_FAMILY_ID
+netlink::CTRL_ATTR_FAMILY_NAME
+netlink::CTRL_ATTR_HDRSIZE
+netlink::CTRL_ATTR_MAXATTR
+netlink::CTRL_ATTR_MCAST_GROUPS
+netlink::CTRL_ATTR_MCAST_GRP_ID
+netlink::CTRL_ATTR_MCAST_GRP_NAME
+netlink::CTRL_ATTR_MCAST_GRP_UNSPEC
+netlink::CTRL_ATTR_OP
+netlink::CTRL_ATTR_OPS
+netlink::CTRL_ATTR_OP_POLICY
+netlink::CTRL_ATTR_POLICY
+netlink::CTRL_ATTR_UNSPEC
+netlink::CTRL_ATTR_VERSION
+netlink::CTRL_CMD_DELFAMILY
+netlink::CTRL_CMD_DELMCAST_GRP
+netlink::CTRL_CMD_DELOPS
+netlink::CTRL_CMD_GETFAMILY
+netlink::CTRL_CMD_GETMCAST_GRP
+netlink::CTRL_CMD_GETOPS
+netlink::CTRL_CMD_GETPOLICY
+netlink::CTRL_CMD_NEWFAMILY
+netlink::CTRL_CMD_NEWMCAST_GRP
+netlink::CTRL_CMD_NEWOPS
+netlink::CTRL_CMD_UNSPEC
 newlocale
 nice
 nl_item

libc-test/tests/freebsd_netlink.rs

@@ -0,0 +1,17 @@
+#![allow(deprecated)]
+#![allow(unused)]
+
+#[cfg(target_os = "freebsd")]
+#[allow(unused_imports)]
+use libc::{
+    netlink::*,
+    netlink_generic::*,
+};
+
+#[cfg(target_os = "freebsd")]
+include!(concat!(env!("OUT_DIR"), "/netlink_ctest_output.rs"));
+
+#[cfg(not(target_os = "freebsd"))]
+fn main() {
+    println!("PASSED 0 tests");
+}

src/new/freebsd/mod.rs

@@ -5,5 +5,6 @@
 
 pub(crate) mod net;
 pub(crate) mod netinet6;
+pub mod netlink;
 pub(crate) mod sys;
 pub(crate) mod unistd;

src/new/freebsd/netlink/mod.rs

@@ -0,0 +1,6 @@
+//! Directory: `netlink/`
+//!
+//! <https://github.com/freebsd/freebsd-src/tree/main/sys/netlink>
+
+pub mod netlink;
+pub mod netlink_generic;

src/new/freebsd/netlink/netlink.rs

@@ -0,0 +1,77 @@
+//! Header: `netlink/netlink.h`
+//!
+//! <https://github.com/freebsd/freebsd-src/blob/main/sys/netlink/netlink.h>
+
+use crate::prelude::*;
+
+s! {
+    pub struct sockaddr_nl {
+        pub nl_len: u8,
+        pub nl_family: crate::sa_family_t,
+        nl_pad: Padding<u16>,
+        pub nl_pid: u32,
+        pub nl_groups: u32,
+    }
+}
+
+pub const SOL_NETLINK: c_int = 270;
+pub const NETLINK_ADD_MEMBERSHIP: c_int = 1;
+pub const NETLINK_DROP_MEMBERSHIP: c_int = 2;
+pub const NETLINK_PKTINFO: c_int = 3;
+pub const NETLINK_BROADCAST_ERROR: c_int = 4;
+pub const NETLINK_NO_ENOBUFS: c_int = 5;
+pub const NETLINK_RX_RING: c_int = 6;
+pub const NETLINK_TX_RING: c_int = 7;
+pub const NETLINK_LISTEN_ALL_NSID: c_int = 8;
+pub const NETLINK_LIST_MEMBERSHIPS: c_int = 9;
+pub const NETLINK_CAP_ACK: c_int = 10;
+pub const NETLINK_EXT_ACK: c_int = 11;
+pub const NETLINK_GET_STRICT_CHK: c_int = 12;
+
+pub const NLM_F_REQUEST: c_int = 0x01;
+pub const NLM_F_MULTI: c_int = 0x02;
+pub const NLM_F_ACK: c_int = 0x04;
+pub const NLM_F_ECHO: c_int = 0x08;
+pub const NLM_F_DUMP_INTR: c_int = 0x10;
+pub const NLM_F_DUMP_FILTERED: c_int = 0x20;
+
+pub const NLM_F_ROOT: c_int = 0x100;
+pub const NLM_F_MATCH: c_int = 0x200;
+pub const NLM_F_ATOMIC: c_int = 0x400;
+pub const NLM_F_DUMP: c_int = NLM_F_ROOT | NLM_F_MATCH;
+
+pub const NLM_F_REPLACE: c_int = 0x100;
+pub const NLM_F_EXCL: c_int = 0x200;
+pub const NLM_F_CREATE: c_int = 0x400;
+pub const NLM_F_APPEND: c_int = 0x800;
+
+pub const NLM_F_NONREC: c_int = 0x100;
+
+pub const NLM_F_CAPPED: c_int = 0x100;
+pub const NLM_F_ACK_TLVS: c_int = 0x200;
+
+pub const NLMSG_NOOP: c_int = 0x1;
+pub const NLMSG_ERROR: c_int = 0x2;
+pub const NLMSG_DONE: c_int = 0x3;
+pub const NLMSG_OVERRUN: c_int = 0x4;
+
+pub const NETLINK_ROUTE: c_int = 0;
+pub const NETLINK_UNUSED: c_int = 1;
+pub const NETLINK_USERSOCK: c_int = 2;
+pub const NETLINK_FIREWALL: c_int = 3;
+pub const NETLINK_SOCK_DIAG: c_int = 4;
+pub const NETLINK_NFLOG: c_int = 5;
+pub const NETLINK_XFRM: c_int = 6;
+pub const NETLINK_SELINUX: c_int = 7;
+pub const NETLINK_ISCSI: c_int = 8;
+pub const NETLINK_AUDIT: c_int = 9;
+pub const NETLINK_FIB_LOOKUP: c_int = 10;
+pub const NETLINK_CONNECTOR: c_int = 11;
+pub const NETLINK_NETFILTER: c_int = 12;
+pub const NETLINK_IP6_FW: c_int = 13;
+pub const NETLINK_DNRTMSG: c_int = 14;
+pub const NETLINK_KOBJECT_UEVENT: c_int = 15;
+pub const NETLINK_GENERIC: c_int = 16;
+
+pub const NL_ITEM_ALIGN_SIZE: c_int = size_of::<u32>() as c_int;
+pub const NLMSG_ALIGNTO: c_int = NL_ITEM_ALIGN_SIZE;