diff --git a/libc-test/build.rs b/libc-test/build.rs
index 26b1c550de22c..5a0da034c4378 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -453,6 +453,7 @@ fn test_openbsd(target: &str) {
         "netinet/ip.h",
         "netinet/tcp.h",
         "netinet/udp.h",
+        "netinet6/in6_var.h",
         "net/bpf.h",
         "regex.h",
         "resolv.h",
@@ -1035,6 +1036,7 @@ fn test_netbsd(target: &str) {
         "netinet/ip.h",
         "netinet/tcp.h",
         "netinet/udp.h",
+        "netinet6/in6_var.h",
         "poll.h",
         "pthread.h",
         "pwd.h",
@@ -1240,6 +1242,7 @@ fn test_dragonflybsd(target: &str) {
         "netinet/ip.h",
         "netinet/tcp.h",
         "netinet/udp.h",
+        "netinet6/in6_var.h",
         "poll.h",
         "pthread.h",
         "pthread_np.h",
@@ -2059,6 +2062,7 @@ fn test_freebsd(target: &str) {
                 "netinet/sctp.h",
                 "netinet/tcp.h",
                 "netinet/udp.h",
+                "netinet6/in6_var.h",
                 "poll.h",
                 "pthread.h",
                 "pthread_np.h",
diff --git a/libc-test/semver/apple.txt b/libc-test/semver/apple.txt
index bb80ce86b48cf..f4e7ecb0ecf93 100644
--- a/libc-test/semver/apple.txt
+++ b/libc-test/semver/apple.txt
@@ -1313,7 +1313,32 @@ SIGINFO
 SIGIO
 SIGNATURE
 SIGSTKSZ
+SIOCADDMULTI
+SIOCAIFADDR
+SIOCAIFADDR_IN6
+SIOCDELMULTI
+SIOCDIFADDR
+SIOCDIFADDR_IN6
 SIOCGIFADDR
+SIOCGIFBRDADDR
+SIOCGIFCAP
+SIOCGIFDEVMTU
+SIOCGIFDSTADDR
+SIOCGIFFLAGS
+SIOCGIFMTU
+SIOCGIFNETMASK
+SIOCIFCREATE
+SIOCIFCREATE2
+SIOCIFDESTROY
+SIOCSDRVSPEC
+SIOCSIFADDR
+SIOCSIFBRDADDR
+SIOCSIFCAP
+SIOCSIFDSTADDR
+SIOCSIFFLAGS
+SIOCSIFLLADDR
+SIOCSIFMTU
+SIOCSIFNETMASK
 SOCK_MAXADDRLEN
 SOCK_RAW
 SOCK_RDM
@@ -1768,6 +1793,8 @@ backtrace_symbols_fd
 basename
 boolean_t
 bpf_hdr
+bpf_stat
+bpf_version
 brk
 bsearch
 chflags
diff --git a/libc-test/semver/dragonfly.txt b/libc-test/semver/dragonfly.txt
index a0cc6c6c83fc5..fb3ef20079388 100644
--- a/libc-test/semver/dragonfly.txt
+++ b/libc-test/semver/dragonfly.txt
@@ -82,22 +82,26 @@ B14400
 B28800
 B7200
 B76800
+BIOCFEEDBACK
 BIOCFLUSH
 BIOCGBLEN
 BIOCGDLT
 BIOCGDLTLIST
 BIOCGETIF
+BIOCGFEEDBACK
 BIOCGHDRCMPLT
 BIOCGRSIG
 BIOCGRTIMEOUT
 BIOCGSEESENT
 BIOCGSTATS
 BIOCIMMEDIATE
+BIOCLOCK
 BIOCPROMISC
 BIOCSBLEN
 BIOCSDLT
 BIOCSETF
 BIOCSETIF
+BIOCSFEEDBACK
 BIOCSHDRCMPLT
 BIOCSRSIG
 BIOCSRTIMEOUT
@@ -870,6 +874,22 @@ RLIMIT_STACK
 RLIMIT_VMEM
 RLIM_INFINITY
 RLIM_NLIMITS
+RTAX_AUTHOR
+RTAX_BRD
+RTAX_DST
+RTAX_GATEWAY
+RTAX_GENMASK
+RTAX_IFA
+RTAX_IFP
+RTAX_NETMASK
+RTA_AUTHOR
+RTA_BRD
+RTA_DST
+RTA_GATEWAY
+RTA_GENMASK
+RTA_IFA
+RTA_IFP
+RTA_NETMASK
 RTLD_NEXT
 RTLD_NODELETE
 RTLD_NOLOAD
@@ -918,7 +938,30 @@ SIGINFO
 SIGIO
 SIGNATURE
 SIGSTKSZ
+SIOCADDMULTI
+SIOCAIFADDR
+SIOCAIFADDR_IN6
+SIOCDELMULTI
+SIOCDIFADDR
+SIOCDIFADDR_IN6
 SIOCGIFADDR
+SIOCGIFBRDADDR
+SIOCGIFCAP
+SIOCGIFDSTADDR
+SIOCGIFFLAGS
+SIOCGIFMTU
+SIOCGIFNETMASK
+SIOCIFCREATE
+SIOCIFCREATE2
+SIOCIFDESTROY
+SIOCSDRVSPEC
+SIOCSIFADDR
+SIOCSIFBRDADDR
+SIOCSIFCAP
+SIOCSIFDSTADDR
+SIOCSIFFLAGS
+SIOCSIFMTU
+SIOCSIFNETMASK
 SLIPDISC
 SOCK_CLOEXEC
 SOCK_MAXADDRLEN
diff --git a/libc-test/semver/freebsd.txt b/libc-test/semver/freebsd.txt
index 4e1f998f39982..3edb9dcb27646 100644
--- a/libc-test/semver/freebsd.txt
+++ b/libc-test/semver/freebsd.txt
@@ -117,6 +117,7 @@ B7200
 B76800
 B921600
 BIOCFLUSH
+BIOCFEEDBACK
 BIOCGBLEN
 BIOCGDLT
 BIOCGDLTLIST
@@ -127,12 +128,15 @@ BIOCGRTIMEOUT
 BIOCGSEESENT
 BIOCGSTATS
 BIOCIMMEDIATE
+BIOCLOCK
 BIOCPROMISC
+BIOCROTZBUF
 BIOCSBLEN
 BIOCSDLT
 BIOCSETF
 BIOCSETFNR
 BIOCSETIF
+BIOCSETZBUF
 BIOCSHDRCMPLT
 BIOCSRSIG
 BIOCSRTIMEOUT
@@ -1221,6 +1225,22 @@ RLIMIT_UMTXP
 RLIMIT_VMEM
 RLIM_INFINITY
 RLIM_NLIMITS
+RTAX_AUTHOR
+RTAX_BRD
+RTAX_DST
+RTAX_GATEWAY
+RTAX_GENMASK
+RTAX_IFA
+RTAX_IFP
+RTAX_NETMASK
+RTA_AUTHOR
+RTA_BRD
+RTA_DST
+RTA_GATEWAY
+RTA_GENMASK
+RTA_IFA
+RTA_IFP
+RTA_NETMASK
 RTLD_NEXT
 RTLD_NODELETE
 RTLD_NOLOAD
@@ -1417,7 +1437,30 @@ SIGLIBRT
 SIGLWP
 SIGSTKSZ
 SIGTHR
+SIOCADDMULTI
+SIOCAIFADDR
+SIOCAIFADDR_IN6
+SIOCDELMULTI
+SIOCDIFADDR
+SIOCDIFADDR_IN6
 SIOCGIFADDR
+SIOCGIFBRDADDR
+SIOCGIFCAP
+SIOCGIFDSTADDR
+SIOCGIFFLAGS
+SIOCGIFMTU
+SIOCGIFNETMASK
+SIOCIFCREATE
+SIOCIFCREATE2
+SIOCIFDESTROY
+SIOCSDRVSPEC
+SIOCSIFADDR
+SIOCSIFBRDADDR
+SIOCSIFCAP
+SIOCSIFDSTADDR
+SIOCSIFFLAGS
+SIOCSIFMTU
+SIOCSIFNETMASK
 SLIPDISC
 SOCKCREDSIZE
 SOCK_CLOEXEC
@@ -1819,7 +1862,10 @@ bpf_hdr
 bpf_insn
 bpf_program
 bpf_stat
+bpf_ts
 bpf_version
+bpf_xhdr
+bpf_zbuf
 bsearch
 cap_enter
 cap_getmode
diff --git a/libc-test/semver/netbsd.txt b/libc-test/semver/netbsd.txt
index b82d9cbeca065..44d08df7b866f 100644
--- a/libc-test/semver/netbsd.txt
+++ b/libc-test/semver/netbsd.txt
@@ -104,19 +104,23 @@ B460800
 B7200
 B76800
 B921600
+BIOCFEEDBACK
 BIOCFLUSH
 BIOCGBLEN
 BIOCGDLT
 BIOCGETIF
+BIOCGFEEDBACK
 BIOCGHDRCMPLT
 BIOCGRSIG
 BIOCGSEESENT
 BIOCGSTATS
 BIOCIMMEDIATE
+BIOCLOCK
 BIOCPROMISC
 BIOCSBLEN
 BIOCSDLT
 BIOCSETIF
+BIOCSFEEDBACK
 BIOCSHDRCMPLT
 BIOCSRSIG
 BIOCSSEESENT
@@ -926,6 +930,22 @@ RLIM_INFINITY
 RLIM_NLIMITS
 RLIM_SAVED_CUR
 RLIM_SAVED_MAX
+RTAX_AUTHOR
+RTAX_BRD
+RTAX_DST
+RTAX_GATEWAY
+RTAX_GENMASK
+RTAX_IFA
+RTAX_IFP
+RTAX_NETMASK
+RTA_AUTHOR
+RTA_BRD
+RTA_DST
+RTA_GATEWAY
+RTA_GENMASK
+RTA_IFA
+RTA_IFP
+RTA_NETMASK
 RTLD_NEXT
 RTLD_NOLOAD
 RTLD_SELF
@@ -958,7 +978,30 @@ SIGINFO
 SIGIO
 SIGNATURE
 SIGSTKSZ
+SIOCADDMULTI
+SIOCAIFADDR
+SIOCAIFADDR_IN6
+SIOCDELMULTI
+SIOCDIFADDR
+SIOCDIFADDR_IN6
 SIOCGIFADDR
+SIOCGIFBRDADDR
+SIOCGIFCAP
+SIOCGIFDSTADDR
+SIOCGIFFLAGS
+SIOCGIFMTU
+SIOCGIFNETMASK
+SIOCIFCREATE
+SIOCIFCREATE2
+SIOCIFDESTROY
+SIOCSDRVSPEC
+SIOCSIFADDR
+SIOCSIFBRDADDR
+SIOCSIFCAP
+SIOCSIFDSTADDR
+SIOCSIFFLAGS
+SIOCSIFMTU
+SIOCSIFNETMASK
 SOCKCREDSIZE
 SOCK_CLOEXEC
 SOCK_CONN_DGRAM
@@ -1214,6 +1257,8 @@ backtrace_symbols
 backtrace_symbols_fd
 backtrace_symbols_fmt
 backtrace_symbols_fd_fmt
+bpf_stat
+bpf_version
 bsearch
 chflags
 chroot
diff --git a/libc-test/semver/openbsd.txt b/libc-test/semver/openbsd.txt
index 3833884c855c5..d110e999054b4 100644
--- a/libc-test/semver/openbsd.txt
+++ b/libc-test/semver/openbsd.txt
@@ -78,6 +78,7 @@ BIOCGHDRCMPLT
 BIOCGRSIG
 BIOCGSTATS
 BIOCIMMEDIATE
+BIOCLOCK
 BIOCPROMISC
 BIOCSBLEN
 BIOCSDLT
@@ -760,6 +761,22 @@ RLIM_INFINITY
 RLIM_NLIMITS
 RLIM_SAVED_CUR
 RLIM_SAVED_MAX
+RTAX_AUTHOR
+RTAX_BRD
+RTAX_DST
+RTAX_GATEWAY
+RTAX_GENMASK
+RTAX_IFA
+RTAX_IFP
+RTAX_NETMASK
+RTA_AUTHOR
+RTA_BRD
+RTA_DST
+RTA_GATEWAY
+RTA_GENMASK
+RTA_IFA
+RTA_IFP
+RTA_NETMASK
 RTLD_NEXT
 RTLD_SELF
 RUSAGE_CHILDREN
@@ -781,7 +798,26 @@ SIGEMT
 SIGINFO
 SIGIO
 SIGSTKSZ
+SIOCADDMULTI
+SIOCAIFADDR
+SIOCAIFADDR_IN6
+SIOCDELMULTI
+SIOCDIFADDR
+SIOCDIFADDR_IN6
 SIOCGIFADDR
+SIOCGIFBRDADDR
+SIOCGIFDSTADDR
+SIOCGIFFLAGS
+SIOCGIFMTU
+SIOCGIFNETMASK
+SIOCIFCREATE
+SIOCIFDESTROY
+SIOCSIFADDR
+SIOCSIFBRDADDR
+SIOCSIFDSTADDR
+SIOCSIFFLAGS
+SIOCSIFMTU
+SIOCSIFNETMASK
 SOCK_CLOEXEC
 SOCK_DNS
 SOCK_NONBLOCK
@@ -1012,6 +1048,8 @@ backtrace_symbols
 backtrace_symbols_fd
 backtrace_symbols_fmt
 basename
+bpf_stat
+bpf_version
 bsearch
 caddr_t
 calloc_conceal
diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index 9951f2314153d..3c575c9cb6be8 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -161,6 +161,8 @@ pub type copyfile_callback_t = ::Option<
 pub type attrgroup_t = u32;
 pub type vol_capabilities_set_t = [u32; 4];
 
+pub type u_int = ::c_uint;
+
 #[cfg_attr(feature = "extra_traits", derive(Debug))]
 pub enum timezone {}
 impl ::Copy for timezone {}
@@ -1208,6 +1210,12 @@ s! {
         pub ifs6_out_mldreport: ::u_quad_t,
         pub ifs6_out_mlddone: ::u_quad_t,
     }
+
+    // net/bpf.h
+    pub struct bpf_stat {
+        pub bs_recv: ::u_int,
+        pub bs_drop: ::u_int,
+    }
 }
 
 s_no_extra_traits! {
@@ -3813,6 +3821,22 @@ pub const MINCORE_MODIFIED_OTHER: ::c_int = 0x10;
 
 pub const CTLIOCGINFO: c_ulong = 0xc0644e03;
 
+// <sys/sockio.h>
+pub const SIOCAIFADDR: ::c_ulong = 0x8040691a;
+pub const SIOCGIFCAP: ::c_ulong = 0xc020695b;
+pub const SIOCGIFDEVMTU: ::c_ulong = 0xc0206944;
+pub const SIOCGIFMTU: ::c_ulong = 0xc0206933;
+pub const SIOCIFCREATE: ::c_ulong = 0xc0206978;
+pub const SIOCIFCREATE2: ::c_ulong = 0xc020697a;
+pub const SIOCSDRVSPEC: ::c_ulong = 0x8028697b;
+pub const SIOCSIFCAP: ::c_ulong = 0x8020695a;
+pub const SIOCSIFLLADDR: ::c_ulong = 0x8020693c;
+pub const SIOCSIFMTU: ::c_ulong = 0x80206934;
+
+// <netinet6/in6_var.h>
+pub const SIOCAIFADDR_IN6: ::c_ulong = 0x8080691a;
+pub const SIOCDIFADDR_IN6: ::c_ulong = 0x81206919;
+
 //
 // sys/netinet/in.h
 // Protocols (RFC 1700)
@@ -4966,25 +4990,6 @@ pub const RTV_SSTHRESH: ::c_int = 0x20;
 pub const RTV_RTT: ::c_int = 0x40;
 pub const RTV_RTTVAR: ::c_int = 0x80;
 
-// Bitmask values for rtm_addrs.
-pub const RTA_DST: ::c_int = 0x1;
-pub const RTA_GATEWAY: ::c_int = 0x2;
-pub const RTA_NETMASK: ::c_int = 0x4;
-pub const RTA_GENMASK: ::c_int = 0x8;
-pub const RTA_IFP: ::c_int = 0x10;
-pub const RTA_IFA: ::c_int = 0x20;
-pub const RTA_AUTHOR: ::c_int = 0x40;
-pub const RTA_BRD: ::c_int = 0x80;
-
-// Index offsets for sockaddr array for alternate internal encoding.
-pub const RTAX_DST: ::c_int = 0;
-pub const RTAX_GATEWAY: ::c_int = 1;
-pub const RTAX_NETMASK: ::c_int = 2;
-pub const RTAX_GENMASK: ::c_int = 3;
-pub const RTAX_IFP: ::c_int = 4;
-pub const RTAX_IFA: ::c_int = 5;
-pub const RTAX_AUTHOR: ::c_int = 6;
-pub const RTAX_BRD: ::c_int = 7;
 pub const RTAX_MAX: ::c_int = 8;
 
 pub const KERN_PROCARGS2: ::c_int = 49;
diff --git a/src/unix/bsd/freebsdlike/dragonfly/mod.rs b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
index 489b82adb84b9..23657fa323f79 100644
--- a/src/unix/bsd/freebsdlike/dragonfly/mod.rs
+++ b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
@@ -1159,6 +1159,19 @@ pub const IFF_STATICARP: ::c_int = 0x80000; // static ARP
 pub const IFF_NPOLLING: ::c_int = 0x100000; // interface is in polling mode
 pub const IFF_IDIRECT: ::c_int = 0x200000; // direct input
 
+// <net/bpf.h>
+pub const BIOCLOCK: ::c_ulong = 0x2004427a;
+pub const BIOCGFEEDBACK: ::c_ulong = 0x4004427c;
+pub const BIOCSFEEDBACK: ::c_ulong = 0x8004427d;
+pub const BIOCFEEDBACK: ::c_ulong = ::BIOCSFEEDBACK;
+
+// <sys/sockio.h>
+pub const SIOCAIFADDR: ::c_ulong = 0x8020691a;
+
+// <netinet6/in6_var.h>
+pub const SIOCAIFADDR_IN6: ::c_ulong = 0x80206919;
+pub const SIOCDIFADDR_IN6: ::c_ulong = 0x80206918;
+
 //
 // sys/netinet/in.h
 // Protocols (RFC 1700)
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 307ca87127f31..2cc19186f3711 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -50,6 +50,13 @@ pub type sctp_assoc_t = u32;
 
 pub type eventfd_t = u64;
 
+// net/bpf.h
+
+pub type bpf_int32 = i32;
+pub type bpf_u_int32 = u32;
+pub type bpf_int64 = i64;
+pub type bpf_u_int64 = u64;
+
 #[cfg_attr(feature = "extra_traits", derive(Debug, Hash, PartialEq, Eq))]
 #[repr(u32)]
 pub enum devstat_support_flags {
@@ -1350,6 +1357,26 @@ s! {
         pub strchange_instrms: u16,
         pub strchange_outstrms: u16,
     }
+
+    // net/bpf.h
+
+    pub struct bpf_zbuf {
+        pub bz_bufa: *mut ::c_void,
+        pub bz_bufb: *mut ::c_void,
+        pub bz_buflen: ::size_t,
+    }
+
+    pub struct bpf_ts {
+        pub bt_sec: ::bpf_int64,
+        pub bt_frac: ::bpf_u_int64,
+    }
+
+    pub struct bpf_xhdr {
+        pub bh_tstamp: ::bpf_ts,
+        pub bh_caplen: ::bpf_u_int32,
+        pub bh_datalen: ::bpf_u_int32,
+        pub bh_hdrlen: ::c_ushort,
+    }
 }
 
 s_no_extra_traits! {
@@ -3311,6 +3338,21 @@ pub const AF_IEEE80211: ::c_int = 37;
 pub const AF_INET_SDP: ::c_int = 40;
 pub const AF_INET6_SDP: ::c_int = 42;
 
+// <net/bpf.h>
+pub const BIOCROTZBUF: ::c_ulong = 0x40184280;
+pub const BIOCSETZBUF: ::c_ulong = 0x80184281;
+pub const BIOCLOCK: ::c_ulong = 0x2000427a;
+pub const BIOCFEEDBACK: ::c_ulong = 0x8004427c;
+
+// <sys/sockio.h>
+pub const OSIOCAIFADDR: ::c_ulong = 0x8040691a;
+pub const SIOCAIFADDR: ::c_ulong = 0x8044692b;
+
+// <netinet6/in6_var.h>
+pub const OSIOCAIFADDR_IN6: ::c_ulong = 0x8080691a;
+pub const SIOCAIFADDR_IN6: ::c_ulong = 0x8088691b;
+pub const SIOCDIFADDR_IN6: ::c_ulong = 0x81206919;
+
 // sys/net/if.h
 pub const IF_MAXUNIT: ::c_int = 0x7fff;
 /// (n) interface is up
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index 89557e1520622..6b18646ff2364 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -306,11 +306,6 @@ s! {
         pub bs_drop: ::c_uint,
     }
 
-    pub struct bpf_version {
-        pub bv_major: ::c_ushort,
-        pub bv_minor: ::c_ushort,
-    }
-
     pub struct bpf_hdr {
         pub bh_tstamp: ::timeval,
         pub bh_caplen: u32,
@@ -1354,7 +1349,16 @@ pub const SF_NOUNLINK: ::c_ulong = 0x00100000;
 
 pub const TIMER_ABSTIME: ::c_int = 1;
 
-//<sys/timex.h>
+// <sys/sockio.h>
+pub const SIOCGIFCAP: ::c_ulong = 0xc020691f;
+pub const SIOCGIFMTU: ::c_ulong = 0xc0206933;
+pub const SIOCIFCREATE: ::c_ulong = 0xc020697a;
+pub const SIOCIFCREATE2: ::c_ulong = 0xc020697c;
+pub const SIOCSDRVSPEC: ::c_ulong = 0x8028697b;
+pub const SIOCSIFCAP: ::c_ulong = 0x8020691e;
+pub const SIOCSIFMTU: ::c_ulong = 0x80206934;
+
+// <sys/timex.h>
 pub const NTP_API: ::c_int = 4;
 pub const MAXPHASE: ::c_long = 500000000;
 pub const MAXFREQ: ::c_long = 500000;
diff --git a/src/unix/bsd/mod.rs b/src/unix/bsd/mod.rs
index 83e675ca3474d..324acd583edec 100644
--- a/src/unix/bsd/mod.rs
+++ b/src/unix/bsd/mod.rs
@@ -122,6 +122,11 @@ s! {
         pub flag: *mut ::c_int,
         pub val: ::c_int,
     }
+
+    pub struct bpf_version {
+        pub bv_major: ::c_ushort,
+        pub bv_minor: ::c_ushort,
+    }
 }
 
 s_no_extra_traits! {
@@ -493,7 +498,22 @@ pub const BIOCIMMEDIATE: ::c_ulong = 0x80044270;
 pub const BIOCVERSION: ::c_ulong = 0x40044271;
 pub const BIOCGHDRCMPLT: ::c_ulong = 0x40044274;
 pub const BIOCSHDRCMPLT: ::c_ulong = 0x80044275;
+
+// <sys/sockio.h>
+pub const SIOCADDMULTI: ::c_ulong = 0x80206931;
+pub const SIOCDELMULTI: ::c_ulong = 0x80206932;
+pub const SIOCDIFADDR: ::c_ulong = 0x80206919;
 pub const SIOCGIFADDR: ::c_ulong = 0xc0206921;
+pub const SIOCGIFBRDADDR: ::c_ulong = 0xc0206923;
+pub const SIOCGIFDSTADDR: ::c_ulong = 0xc0206922;
+pub const SIOCGIFFLAGS: ::c_ulong = 0xc0206911;
+pub const SIOCGIFNETMASK: ::c_ulong = 0xc0206925;
+pub const SIOCIFDESTROY: ::c_ulong = 0x80206979;
+pub const SIOCSIFADDR: ::c_ulong = 0x8020690c;
+pub const SIOCSIFBRDADDR: ::c_ulong = 0x80206913;
+pub const SIOCSIFDSTADDR: ::c_ulong = 0x8020690e;
+pub const SIOCSIFFLAGS: ::c_ulong = 0x80206910;
+pub const SIOCSIFNETMASK: ::c_ulong = 0x80206916;
 
 pub const REG_BASIC: ::c_int = 0o0000;
 pub const REG_EXTENDED: ::c_int = 0o0001;
@@ -541,6 +561,28 @@ pub const ITIMER_REAL: ::c_int = 0;
 pub const ITIMER_VIRTUAL: ::c_int = 1;
 pub const ITIMER_PROF: ::c_int = 2;
 
+// <net/route.h>
+
+// Bitmask values for rtm_addrs.
+pub const RTA_DST: ::c_int = 0x1;
+pub const RTA_GATEWAY: ::c_int = 0x2;
+pub const RTA_NETMASK: ::c_int = 0x4;
+pub const RTA_GENMASK: ::c_int = 0x8;
+pub const RTA_IFP: ::c_int = 0x10;
+pub const RTA_IFA: ::c_int = 0x20;
+pub const RTA_AUTHOR: ::c_int = 0x40;
+pub const RTA_BRD: ::c_int = 0x80;
+
+// Index offsets for sockaddr array for alternate internal encoding.
+pub const RTAX_DST: ::c_int = 0;
+pub const RTAX_GATEWAY: ::c_int = 1;
+pub const RTAX_NETMASK: ::c_int = 2;
+pub const RTAX_GENMASK: ::c_int = 3;
+pub const RTAX_IFP: ::c_int = 4;
+pub const RTAX_IFA: ::c_int = 5;
+pub const RTAX_AUTHOR: ::c_int = 6;
+pub const RTAX_BRD: ::c_int = 7;
+
 f! {
     pub fn CMSG_FIRSTHDR(mhdr: *const ::msghdr) -> *mut ::cmsghdr {
         if (*mhdr).msg_controllen as usize >= ::mem::size_of::<::cmsghdr>() {
diff --git a/src/unix/bsd/netbsdlike/mod.rs b/src/unix/bsd/netbsdlike/mod.rs
index 29f54b92cd48b..77f8f7c34eb76 100644
--- a/src/unix/bsd/netbsdlike/mod.rs
+++ b/src/unix/bsd/netbsdlike/mod.rs
@@ -664,6 +664,12 @@ pub const RB_AUTOBOOT: ::c_int = 0;
 
 pub const TCP_INFO: ::c_int = 9;
 
+// <sys/sockio.h>
+pub const SIOCAIFADDR: ::c_ulong = 0x8040691a;
+pub const SIOCGIFMTU: ::c_ulong = 0xc020697e;
+pub const SIOCIFCREATE: ::c_ulong = 0x8020697a;
+pub const SIOCSIFMTU: ::c_ulong = 0x8020697f;
+
 #[link(name = "util")]
 extern "C" {
     pub fn setgrent();
diff --git a/src/unix/bsd/netbsdlike/netbsd/mod.rs b/src/unix/bsd/netbsdlike/netbsd/mod.rs
index f919b73e5c2f4..432ed4bfdeaca 100644
--- a/src/unix/bsd/netbsdlike/netbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/netbsd/mod.rs
@@ -777,6 +777,14 @@ s! {
         pub tcpi_snd_zerowin: u32,
         pub __tcpi_pad: [u32; 26],
     }
+
+    // <net/bpf.h>
+    pub struct bpf_stat {
+        pub bs_recv: u64,
+        pub bs_drop: u64,
+        pub bs_capt: u64,
+        pub bs_padding: [u64; 13],
+    }
 }
 
 s_no_extra_traits! {
@@ -1852,6 +1860,22 @@ pub const BIOCSDLT: ::c_ulong = 0x80044278;
 pub const BIOCGSEESENT: ::c_ulong = 0x40044276;
 pub const BIOCSSEESENT: ::c_ulong = 0x80044277;
 
+// <net/bpf.h>
+pub const BIOCGFEEDBACK: ::c_ulong = 0x4004427c;
+pub const BIOCSFEEDBACK: ::c_ulong = 0x8004427d;
+pub const BIOCFEEDBACK: ::c_ulong = ::BIOCSFEEDBACK;
+pub const BIOCLOCK: ::c_ulong = 0x2004427e;
+
+// <sys/sockio.h>
+pub const SIOCGIFCAP: ::c_ulong = 0xc0206976;
+pub const SIOCIFCREATE2: ::c_ulong = 0xc020697c;
+pub const SIOCSDRVSPEC: ::c_ulong = 0x8020697b;
+pub const SIOCSIFCAP: ::c_ulong = 0x80206975;
+
+// <netinet6/in6_var.h>
+pub const SIOCAIFADDR_IN6: ::c_ulong = 0x8040696b;
+pub const SIOCDIFADDR_IN6: ::c_ulong = 0x80206919;
+
 // <sys/fstypes.h>
 pub const MNT_UNION: ::c_int = 0x00000020;
 pub const MNT_NOCOREDUMP: ::c_int = 0x00008000;
diff --git a/src/unix/bsd/netbsdlike/openbsd/mod.rs b/src/unix/bsd/netbsdlike/openbsd/mod.rs
index 357662547b8e3..9292028909e10 100644
--- a/src/unix/bsd/netbsdlike/openbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/openbsd/mod.rs
@@ -45,6 +45,8 @@ pub type ACTION = ::c_uint;
 pub type posix_spawnattr_t = *mut ::c_void;
 pub type posix_spawn_file_actions_t = *mut ::c_void;
 
+pub type u_int = ::c_uint;
+
 cfg_if! {
     if #[cfg(target_pointer_width = "64")] {
         type Elf_Addr = Elf64_Addr;
@@ -604,6 +606,13 @@ s! {
         pub tcpi_so_snd_sb_lowat: u32,
         pub tcpi_so_snd_sb_wat: u32,
     }
+
+    // net/bpf.h
+
+    pub struct bpf_stat {
+        pub bs_recv: ::u_int,
+        pub bs_drop: ::u_int,
+    }
 }
 
 impl siginfo_t {
@@ -1881,6 +1890,13 @@ pub const RB_RESET: ::c_int = 0x08000;
 pub const RB_GOODRANDOM: ::c_int = 0x10000;
 pub const RB_UNHIBERNATE: ::c_int = 0x20000;
 
+// <net/bpf.h>
+pub const BIOCLOCK: ::c_ulong = 0x20004276;
+
+// <netinet6/in6_var.h>
+pub const SIOCAIFADDR_IN6: ::c_ulong = 0x8080691a;
+pub const SIOCDIFADDR_IN6: ::c_ulong = 0x81206919;
+
 const_fn! {
     {const} fn _ALIGN(p: usize) -> usize {
         (p + _ALIGNBYTES) & !_ALIGNBYTES