Add ethtool support to get/set tunable values from/to the CAN bit time
register (btr).
CC: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
CC: linux-can@xxxxxxxxxxxxxxx
Suggested-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Dario Binacchi <dario.binacchi@xxxxxxxxxxxxxxxxxxxx>
---
(no changes since v1)
include/uapi/linux/ethtool.h | 1 +
net/ethtool/common.c | 1 +
net/ethtool/ioctl.c | 1 +
3 files changed, 3 insertions(+)
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index e0f0ee9bc89e..a2d24f689124 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -232,6 +232,7 @@ enum tunable_id {
ETHTOOL_TX_COPYBREAK,
ETHTOOL_PFC_PREVENTION_TOUT, /* timeout in msecs */
ETHTOOL_TX_COPYBREAK_BUF_SIZE,
+ ETHTOOL_CAN_BTR,
/*
* Add your fresh new tunable attribute above and remember to update
* tunable_strings[] in net/ethtool/common.c
diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index 566adf85e658..78f23b898243 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -90,6 +90,7 @@ tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
[ETHTOOL_TX_COPYBREAK] = "tx-copybreak",
[ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
[ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-copybreak-buf-size",
+ [ETHTOOL_CAN_BTR] = "can-btr",
};
const char
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 326e14ee05db..17b69d6fcab4 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -2403,6 +2403,7 @@ static int ethtool_get_module_eeprom(struct net_device *dev,
static int ethtool_tunable_valid(const struct ethtool_tunable *tuna)
{
switch (tuna->id) {
+ case ETHTOOL_CAN_BTR:
case ETHTOOL_RX_COPYBREAK:
case ETHTOOL_TX_COPYBREAK:
case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
--
2.32.0
