diff --git a/include/sys/syscall_lookup.h b/include/sys/syscall_lookup.h
index aac3e429f9..ba5c04f648 100644
--- a/include/sys/syscall_lookup.h
+++ b/include/sys/syscall_lookup.h
@@ -370,8 +370,10 @@ SYSCALL_LOOKUP(telldir,                    1)
   SYSCALL_LOOKUP(listen,                   2)
   SYSCALL_LOOKUP(recv,                     4)
   SYSCALL_LOOKUP(recvfrom,                 6)
+  SYSCALL_LOOKUP(recvmsg,                  3)
   SYSCALL_LOOKUP(send,                     4)
   SYSCALL_LOOKUP(sendto,                   6)
+  SYSCALL_LOOKUP(sendmsg,                  3)
   SYSCALL_LOOKUP(setsockopt,               5)
   SYSCALL_LOOKUP(socket,                   3)
 #endif
diff --git a/syscall/syscall.csv b/syscall/syscall.csv
index 1c43f4ee2d..c50b90c2c8 100644
--- a/syscall/syscall.csv
+++ b/syscall/syscall.csv
@@ -112,6 +112,7 @@
 "readlink","unistd.h","defined(CONFIG_PSEUDOFS_SOFTLINKS)","ssize_t","FAR const char *","FAR char *","size_t"
 "recv","sys/socket.h","defined(CONFIG_NET)","ssize_t","int","FAR void *","size_t","int"
 "recvfrom","sys/socket.h","defined(CONFIG_NET)","ssize_t","int","FAR void*","size_t","int","FAR struct sockaddr*","FAR socklen_t*"
+"recvmsg","sys/socket.h","defined(CONFIG_NET)","ssize_t","int","FAR struct msghdr *","int"
 "rename","stdio.h","!defined(CONFIG_DISABLE_MOUNTPOINT)","int","FAR const char *","FAR const char *"
 "rewinddir","dirent.h","","void","FAR DIR *"
 "rmdir","unistd.h","!defined(CONFIG_DISABLE_MOUNTPOINT)","int","FAR const char*"
@@ -142,6 +143,7 @@
 "sem_wait","semaphore.h","","int","FAR sem_t *"
 "send","sys/socket.h","defined(CONFIG_NET)","ssize_t","int","FAR const void *","size_t","int"
 "sendfile","sys/sendfile.h","defined(CONFIG_NET_SENDFILE)","ssize_t","int","int","FAR off_t *","size_t"
+"sendmsg","sys/socket.h","defined(CONFIG_NET)","ssize_t","int","FAR struct msghdr *","int"
 "sendto","sys/socket.h","defined(CONFIG_NET)","ssize_t","int","FAR const void *","size_t","int","FAR const struct sockaddr *","socklen_t"
 "setenv","stdlib.h","!defined(CONFIG_DISABLE_ENVIRON)","int","FAR const char *","FAR const char *","int"
 "setgid","unistd.h","defined(CONFIG_SCHED_USER_IDENTITY)","int","gid_t"