diff --git a/libc/kernel/uapi/linux/can/isotp.h b/libc/kernel/uapi/linux/can/isotp.h
new file mode 100644
index 0000000..8264b7c
--- /dev/null
+++ b/libc/kernel/uapi/linux/can/isotp.h
@@ -0,0 +1,68 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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 _UAPI_CAN_ISOTP_H
+#define _UAPI_CAN_ISOTP_H
+#include <linux/types.h>
+#include <linux/can.h>
+#define SOL_CAN_ISOTP (SOL_CAN_BASE + CAN_ISOTP)
+#define CAN_ISOTP_OPTS 1
+#define CAN_ISOTP_RECV_FC 2
+#define CAN_ISOTP_TX_STMIN 3
+#define CAN_ISOTP_RX_STMIN 4
+#define CAN_ISOTP_LL_OPTS 5
+struct can_isotp_options {
+  __u32 flags;
+  __u32 frame_txtime;
+  __u8 ext_address;
+  __u8 txpad_content;
+  __u8 rxpad_content;
+  __u8 rx_ext_address;
+};
+struct can_isotp_fc_options {
+  __u8 bs;
+  __u8 stmin;
+  __u8 wftmax;
+};
+struct can_isotp_ll_options {
+  __u8 mtu;
+  __u8 tx_dl;
+  __u8 tx_flags;
+};
+#define CAN_ISOTP_LISTEN_MODE 0x001
+#define CAN_ISOTP_EXTEND_ADDR 0x002
+#define CAN_ISOTP_TX_PADDING 0x004
+#define CAN_ISOTP_RX_PADDING 0x008
+#define CAN_ISOTP_CHK_PAD_LEN 0x010
+#define CAN_ISOTP_CHK_PAD_DATA 0x020
+#define CAN_ISOTP_HALF_DUPLEX 0x040
+#define CAN_ISOTP_FORCE_TXSTMIN 0x080
+#define CAN_ISOTP_FORCE_RXSTMIN 0x100
+#define CAN_ISOTP_RX_EXT_ADDR 0x200
+#define CAN_ISOTP_WAIT_TX_DONE 0x400
+#define CAN_ISOTP_DEFAULT_FLAGS 0
+#define CAN_ISOTP_DEFAULT_EXT_ADDRESS 0x00
+#define CAN_ISOTP_DEFAULT_PAD_CONTENT 0xCC
+#define CAN_ISOTP_DEFAULT_FRAME_TXTIME 0
+#define CAN_ISOTP_DEFAULT_RECV_BS 0
+#define CAN_ISOTP_DEFAULT_RECV_STMIN 0x00
+#define CAN_ISOTP_DEFAULT_RECV_WFTMAX 0
+#define CAN_ISOTP_DEFAULT_LL_MTU CAN_MTU
+#define CAN_ISOTP_DEFAULT_LL_TX_DL CAN_MAX_DLEN
+#define CAN_ISOTP_DEFAULT_LL_TX_FLAGS 0
+#endif
diff --git a/libc/kernel/uapi/linux/can/raw.h b/libc/kernel/uapi/linux/can/raw.h
index 3d389b9..a3bddb7 100644
--- a/libc/kernel/uapi/linux/can/raw.h
+++ b/libc/kernel/uapi/linux/can/raw.h
@@ -21,6 +21,9 @@
 #include <linux/can.h>
 #define SOL_CAN_RAW (SOL_CAN_BASE + CAN_RAW)
 enum {
+  SCM_CAN_RAW_ERRQUEUE = 1,
+};
+enum {
   CAN_RAW_FILTER = 1,
   CAN_RAW_ERR_FILTER,
   CAN_RAW_LOOPBACK,