Update the linux/can/error.h hearder to incorporate the changes made
in Linux 6.0.0. Namely:
- commit 3e5c291c7942 ("can: add CAN_ERR_CNT flag to notify
availability of error counter")
Link: https://git.kernel.org/torvalds/linux/c/3e5c291c7942
- commit 3f9c26210cf8 ("can: error: add definitions for the
different CAN error thresholds")
Link: https://git.kernel.org/torvalds/linux/c/3f9c26210cf8
Signed-off-by: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>
---
include/linux/can/error.h | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/include/linux/can/error.h b/include/linux/can/error.h
index 3463328..acc1ac3 100644
--- a/include/linux/can/error.h
+++ b/include/linux/can/error.h
@@ -57,6 +57,8 @@
#define CAN_ERR_BUSOFF 0x00000040U /* bus off */
#define CAN_ERR_BUSERROR 0x00000080U /* bus error (may flood!) */
#define CAN_ERR_RESTARTED 0x00000100U /* controller restarted */
+#define CAN_ERR_CNT 0x00000200U /* TX error counter / data[6] */
+ /* RX error counter / data[7] */
/* arbitration lost in bit ... / data[0] */
#define CAN_ERR_LOSTARB_UNSPEC 0x00 /* unspecified */
@@ -120,6 +122,22 @@
#define CAN_ERR_TRX_CANL_SHORT_TO_GND 0x70 /* 0111 0000 */
#define CAN_ERR_TRX_CANL_SHORT_TO_CANH 0x80 /* 1000 0000 */
-/* controller specific additional information / data[5..7] */
+/* data[5] is reserved (do not use) */
+
+/* TX error counter / data[6] */
+/* RX error counter / data[7] */
+
+/* CAN state thresholds
+ *
+ * Error counter Error state
+ * -----------------------------------
+ * 0 - 95 Error-active
+ * 96 - 127 Error-warning
+ * 128 - 255 Error-passive
+ * 256 and greater Bus-off
+ */
+#define CAN_ERROR_WARNING_THRESHOLD 96
+#define CAN_ERROR_PASSIVE_THRESHOLD 128
+#define CAN_BUS_OFF_THRESHOLD 256
#endif /* _UAPI_CAN_ERROR_H */
--
2.37.4
