diff --git a/unix/linux/types.go b/unix/linux/types.go
index d57c1db..0cbea61 100644
--- a/unix/linux/types.go
+++ b/unix/linux/types.go
@@ -637,6 +637,8 @@
 
 type ifreq C.struct_ifreq
 
+type TCPRepairOpt C.struct_tcp_repair_opt
+
 const (
 	SizeofSockaddrInet4     = C.sizeof_struct_sockaddr_in
 	SizeofSockaddrInet6     = C.sizeof_struct_sockaddr_in6
@@ -673,6 +675,7 @@
 	SizeofUcred             = C.sizeof_struct_ucred
 	SizeofTCPInfo           = C.sizeof_struct_tcp_info
 	SizeofCanFilter         = C.sizeof_struct_can_filter
+	SizeofTCPRepairOpt      = C.sizeof_struct_tcp_repair_opt
 )
 
 // Netlink routing and interface messages
diff --git a/unix/mkerrors.sh b/unix/mkerrors.sh
index 2ed4b6d..0bcb8c3 100755
--- a/unix/mkerrors.sh
+++ b/unix/mkerrors.sh
@@ -500,7 +500,7 @@
 		$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
 		$2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
 		$2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ ||
-		$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|TCP|MCAST|EVFILT|NOTE|SHUT|PROT|MAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR|LOCAL)_/ ||
+		$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|TCP|MCAST|EVFILT|NOTE|SHUT|PROT|MAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR|LOCAL|TCPOPT)_/ ||
 		$2 ~ /^NFC_(GENL|PROTO|COMM|RF|SE|DIRECTION|LLCP|SOCKPROTO)_/ ||
 		$2 ~ /^NFC_.*_(MAX)?SIZE$/ ||
 		$2 ~ /^RAW_PAYLOAD_/ ||
diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index 43569fe..2839435 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -1355,6 +1355,13 @@
 	return setsockopt(fd, level, opt, unsafe.Pointer(tp), unsafe.Sizeof(*tp))
 }
 
+func SetsockoptTCPRepairOpt(fd, level, opt int, o []TCPRepairOpt) (err error) {
+	if len(o) == 0 {
+		return EINVAL
+	}
+	return setsockopt(fd, level, opt, unsafe.Pointer(&o[0]), uintptr(SizeofTCPRepairOpt*len(o)))
+}
+
 // Keyctl Commands (http://man7.org/linux/man-pages/man2/keyctl.2.html)
 
 // KeyctlInt calls keyctl commands in which each argument is an int.
diff --git a/unix/zerrors_linux.go b/unix/zerrors_linux.go
index 5ed10c4..135e3a4 100644
--- a/unix/zerrors_linux.go
+++ b/unix/zerrors_linux.go
@@ -2548,6 +2548,14 @@
 	TCOFLUSH                                    = 0x1
 	TCOOFF                                      = 0x0
 	TCOON                                       = 0x1
+	TCPOPT_EOL                                  = 0x0
+	TCPOPT_MAXSEG                               = 0x2
+	TCPOPT_NOP                                  = 0x1
+	TCPOPT_SACK                                 = 0x5
+	TCPOPT_SACK_PERMITTED                       = 0x4
+	TCPOPT_TIMESTAMP                            = 0x8
+	TCPOPT_TSTAMP_HDR                           = 0x101080a
+	TCPOPT_WINDOW                               = 0x3
 	TCP_CC_INFO                                 = 0x1a
 	TCP_CM_INQ                                  = 0x24
 	TCP_CONGESTION                              = 0xd
diff --git a/unix/ztypes_linux.go b/unix/ztypes_linux.go
index 93a64c1..878141d 100644
--- a/unix/ztypes_linux.go
+++ b/unix/ztypes_linux.go
@@ -452,6 +452,11 @@
 	Mask uint32
 }
 
+type TCPRepairOpt struct {
+	Code uint32
+	Val  uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -484,6 +489,7 @@
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
 	SizeofCanFilter         = 0x8
+	SizeofTCPRepairOpt      = 0x8
 )
 
 const (