diff --git a/sys/compat/linux/linux_socket.h b/sys/compat/linux/linux_socket.h
--- a/sys/compat/linux/linux_socket.h
+++ b/sys/compat/linux/linux_socket.h
@@ -314,6 +314,7 @@
 #define	LINUX_TCP_KEEPIDLE	4
 #define	LINUX_TCP_KEEPINTVL	5
 #define	LINUX_TCP_KEEPCNT	6
+#define	LINUX_TCP_INFO		11
 #define	LINUX_TCP_MD5SIG	14
 
 #endif /* _LINUX_SOCKET_H_ */
diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c
--- a/sys/compat/linux/linux_socket.c
+++ b/sys/compat/linux/linux_socket.c
@@ -574,6 +574,10 @@
 		return (TCP_KEEPINTVL);
 	case LINUX_TCP_KEEPCNT:
 		return (TCP_KEEPCNT);
+	case LINUX_TCP_INFO:
+		LINUX_RATELIMIT_MSG_OPT1(
+		    "unsupported TCP socket option TCP_INFO (%d)", opt);
+		return (-2);
 	case LINUX_TCP_MD5SIG:
 		return (TCP_MD5SIG);
 	}