diff --git a/libc/kernel/uapi/linux/caif/caif_socket.h b/libc/kernel/uapi/linux/caif/caif_socket.h
new file mode 100644
index 0000000..7218866
--- /dev/null
+++ b/libc/kernel/uapi/linux/caif/caif_socket.h
@@ -0,0 +1,100 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_CAIF_SOCKET_H
+#define _LINUX_CAIF_SOCKET_H
+#include <linux/types.h>
+#include <linux/socket.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum caif_link_selector {
+ CAIF_LINK_HIGH_BANDW,
+ CAIF_LINK_LOW_LATENCY
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum caif_channel_priority {
+ CAIF_PRIO_MIN = 0x01,
+ CAIF_PRIO_LOW = 0x04,
+ CAIF_PRIO_NORMAL = 0x0f,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ CAIF_PRIO_HIGH = 0x14,
+ CAIF_PRIO_MAX = 0x1F
+};
+enum caif_protocol_type {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ CAIFPROTO_AT,
+ CAIFPROTO_DATAGRAM,
+ CAIFPROTO_DATAGRAM_LOOP,
+ CAIFPROTO_UTIL,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ CAIFPROTO_RFM,
+ CAIFPROTO_DEBUG,
+ _CAIFPROTO_MAX
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define CAIFPROTO_MAX _CAIFPROTO_MAX
+enum caif_at_type {
+ CAIF_ATTYPE_PLAIN = 2
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum caif_debug_type {
+ CAIF_DEBUG_TRACE_INTERACTIVE = 0,
+ CAIF_DEBUG_TRACE,
+ CAIF_DEBUG_INTERACTIVE,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+enum caif_debug_service {
+ CAIF_RADIO_DEBUG_SERVICE = 1,
+ CAIF_APP_DEBUG_SERVICE
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+struct sockaddr_caif {
+ __kernel_sa_family_t family;
+ union {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct {
+ __u8 type;
+ } at;
+ struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char service[16];
+ } util;
+ union {
+ __u32 connection_id;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 nsapi;
+ } dgm;
+ struct {
+ __u32 connection_id;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char volume[16];
+ } rfm;
+ struct {
+ __u8 type;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 service;
+ } dbg;
+ } u;
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum caif_socket_opts {
+ CAIFSO_LINK_SELECT = 127,
+ CAIFSO_REQ_PARAM = 128,
+ CAIFSO_RSP_PARAM = 129,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+#endif
diff --git a/libc/kernel/uapi/linux/caif/if_caif.h b/libc/kernel/uapi/linux/caif/if_caif.h
new file mode 100644
index 0000000..a237d0b
--- /dev/null
+++ b/libc/kernel/uapi/linux/caif/if_caif.h
@@ -0,0 +1,35 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef IF_CAIF_H_
+#define IF_CAIF_H_
+#include <linux/sockios.h>
+#include <linux/types.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#include <linux/socket.h>
+enum ifla_caif {
+ __IFLA_CAIF_UNSPEC,
+ IFLA_CAIF_IPV4_CONNID,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ IFLA_CAIF_IPV6_CONNID,
+ IFLA_CAIF_LOOPBACK,
+ __IFLA_CAIF_MAX
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define IFLA_CAIF_MAX (__IFLA_CAIF_MAX-1)
+#endif