In the CAN XL data phase the CAN XL controller can advise the CAN XL
transceiver to switch the physical layer.
To enable this feature the CAN_CTRLMODE_XL_TRX has to be set in the
driver control mode.
Signed-off-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
---
include/uapi/linux/can/netlink.h | 1 +
ip/iplink_can.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/include/uapi/linux/can/netlink.h b/include/uapi/linux/can/netlink.h
index 19267678..bea58373 100644
--- a/include/uapi/linux/can/netlink.h
+++ b/include/uapi/linux/can/netlink.h
@@ -105,10 +105,11 @@ struct can_ctrlmode {
#define CAN_CTRLMODE_TDC_MANUAL 0x400 /* FD TDCV is manually set up by user */
#define CAN_CTRLMODE_XL 0x800 /* CAN XL mode */
#define CAN_CTRLMODE_XL_TDC_AUTO 0x1000 /* XL transceiver automatically calculates TDCV */
#define CAN_CTRLMODE_XL_TDC_MANUAL 0x2000 /* XL TDCV is manually set up by user */
#define CAN_CTRLMODE_XL_RRS 0x4000 /* XL enable RRS bit access */
+#define CAN_CTRLMODE_XL_TRX 0x8000 /* XL switch trx in data phase */
/*
* CAN device statistics
*/
struct can_device_stats {
diff --git a/ip/iplink_can.c b/ip/iplink_can.c
index 9fe9ae6c..18854c2b 100644
--- a/ip/iplink_can.c
+++ b/ip/iplink_can.c
@@ -41,10 +41,11 @@ static void print_usage(FILE *f)
"\t[ cc-len8-dlc { on | off } ]\n"
"\t[ tdc-mode { auto | manual | off } ]\n"
"\t[ xl { on | off } ]\n"
"\t[ xtdc-mode { auto | manual | off } ]\n"
"\t[ xlrrs { on | off } ]\n"
+ "\t[ xltrx { on | off } ]\n"
"\n"
"\t[ restart-ms TIME-MS ]\n"
"\t[ restart ]\n"
"\n"
"\t[ termination { 0..65535 } ]\n"
@@ -125,10 +126,11 @@ static void print_ctrlmode(enum output_type t, __u32 flags, const char* key)
print_flag(t, &flags, CAN_CTRLMODE_TDC_MANUAL, "TDC-MANUAL");
print_flag(t, &flags, CAN_CTRLMODE_XL, "XL");
print_flag(t, &flags, CAN_CTRLMODE_XL_TDC_AUTO, "XL-TDC-AUTO");
print_flag(t, &flags, CAN_CTRLMODE_XL_TDC_MANUAL, "XL-TDC-MANUAL");
print_flag(t, &flags, CAN_CTRLMODE_XL_RRS, "XL-RRS");
+ print_flag(t, &flags, CAN_CTRLMODE_XL_TRX, "XL-TRX");
if (flags)
print_hex(t, NULL, "%x", flags);
close_json_array(t, "> ");
@@ -339,10 +341,14 @@ static int can_parse_opt(struct link_util *lu, int argc, char **argv,
}
} else if (matches(*argv, "xlrrs") == 0) {
NEXT_ARG();
set_ctrlmode("xlrrs", *argv, &cm,
CAN_CTRLMODE_XL_RRS);
+ } else if (matches(*argv, "xltrx") == 0) {
+ NEXT_ARG();
+ set_ctrlmode("xltrx", *argv, &cm,
+ CAN_CTRLMODE_XL_TRX);
} else if (matches(*argv, "restart") == 0) {
__u32 val = 1;
addattr32(n, 1024, IFLA_CAN_RESTART, val);
} else if (matches(*argv, "restart-ms") == 0) {
--
2.45.2
