1 files changed, 97 insertions, 0 deletions
diff --git a/include/linux/can/ioctl.h b/include/linux/can/ioctl.h
new file mode 100644
index 000000000000..5a95326ce8b5
--- /dev/null
+++ b/include/linux/can/ioctl.h
@@ -0,0 +1,97 @@
+
+/*
+ * linux/can/ioctl.h
+ *
+ * Definitions for CAN controller setup (work in progress)
+ *
+ * Send feedback to <socketcan-users@lists.berlios.de>
+ *
+ */
+
+#ifndef CAN_IOCTL_H
+#define CAN_IOCTL_H
+
+#include <linux/sockios.h>
+
+/*
+ * CAN bitrate
+ */
+#define CAN_BITRATE_UNCONFIGURED	((__u32) 0xFFFFFFFFU)
+#define CAN_BITRATE_UNKNOWN		0
+#define CAN_BITRATE_DEFAULT		500000
+
+/*
+ * CAN custom bit time
+ */
+enum can_bittimes {
+	CAN_BITTIME_STD,
+	CAN_BITTIME_BTR
+};
+
+/* TSEG1 of controllers usually is a sum of synch_seg (always 1),
+ * prop_seg and phase_seg1, TSEG2 = phase_seg2 */
+
+struct can_bittime_std {
+	__u32 brp;        /* baud rate prescaler */
+	__u8  prop_seg;   /* from 1 to 8 */
+	__u8  phase_seg1; /* from 1 to 8 */
+	__u8  phase_seg2; /* from 1 to 8 */
+	__u8  sjw:7;      /* from 1 to 4 */
+	__u8  sam:1;      /* 1 - enable triple sampling */
+};
+
+struct can_bittime_btr {
+	__u8  btr0;
+	__u8  btr1;
+};
+
+struct can_bittime {
+	enum can_bittimes type;
+	union {
+		struct can_bittime_std std;
+		struct can_bittime_btr btr;
+	};
+};
+
+/*
+ * CAN mode
+ */
+enum can_mode {
+	CAN_MODE_STOP = 0,
+	CAN_MODE_START,
+	CAN_MODE_SLEEP
+};
+
+/*
+ * CAN controller mode
+ */
+#define CAN_CTRLMODE_LOOPBACK   0x1
+#define CAN_CTRLMODE_LISTENONLY 0x2
+
+/*
+ * CAN operational and error states
+ */
+enum can_state {
+	CAN_STATE_ACTIVE = 0,
+	CAN_STATE_BUS_WARNING,
+	CAN_STATE_BUS_PASSIVE,
+	CAN_STATE_BUS_OFF,
+	CAN_STATE_STOPPED,
+	CAN_STATE_SLEEPING
+};
+
+/*
+ * CAN device statistics
+ */
+struct can_device_stats {
+	int error_warning;
+	int data_overrun;
+	int wakeup;
+	int bus_error;
+	int error_passive;
+	int arbitration_lost;
+	int restarts;
+	int bus_error_at_init;
+};
+
+#endif /* CAN_IOCTL_H */