diff options
Diffstat (limited to 'drivers/net/can/dev')
| -rw-r--r-- | drivers/net/can/dev/dev.c | 3 | ||||
| -rw-r--r-- | drivers/net/can/dev/netlink.c | 102 |
2 files changed, 51 insertions, 54 deletions
diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c index 87828f953073..6792c14fd7eb 100644 --- a/drivers/net/can/dev/dev.c +++ b/drivers/net/can/dev/dev.c @@ -380,12 +380,9 @@ int can_ethtool_op_get_ts_info_hwts(struct net_device *dev, { info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | - SOF_TIMESTAMPING_RX_SOFTWARE | - SOF_TIMESTAMPING_SOFTWARE | SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE; - info->phc_index = -1; info->tx_types = BIT(HWTSTAMP_TX_ON); info->rx_filters = BIT(HWTSTAMP_FILTER_ALL); diff --git a/drivers/net/can/dev/netlink.c b/drivers/net/can/dev/netlink.c index dfdc039d92a6..01aacdcda260 100644 --- a/drivers/net/can/dev/netlink.c +++ b/drivers/net/can/dev/netlink.c @@ -65,15 +65,6 @@ static int can_validate(struct nlattr *tb[], struct nlattr *data[], if (!data) return 0; - if (data[IFLA_CAN_BITTIMING]) { - struct can_bittiming bt; - - memcpy(&bt, nla_data(data[IFLA_CAN_BITTIMING]), sizeof(bt)); - err = can_validate_bittiming(&bt, extack); - if (err) - return err; - } - if (data[IFLA_CAN_CTRLMODE]) { struct can_ctrlmode *cm = nla_data(data[IFLA_CAN_CTRLMODE]); u32 tdc_flags = cm->flags & CAN_CTRLMODE_TDC_MASK; @@ -114,6 +105,15 @@ static int can_validate(struct nlattr *tb[], struct nlattr *data[], } } + if (data[IFLA_CAN_BITTIMING]) { + struct can_bittiming bt; + + memcpy(&bt, nla_data(data[IFLA_CAN_BITTIMING]), sizeof(bt)); + err = can_validate_bittiming(&bt, extack); + if (err) + return err; + } + if (is_can_fd) { if (!data[IFLA_CAN_BITTIMING] || !data[IFLA_CAN_DATA_BITTIMING]) return -EOPNOTSUPP; @@ -195,48 +195,6 @@ static int can_changelink(struct net_device *dev, struct nlattr *tb[], /* We need synchronization with dev->stop() */ ASSERT_RTNL(); - if (data[IFLA_CAN_BITTIMING]) { - struct can_bittiming bt; - - /* Do not allow changing bittiming while running */ - if (dev->flags & IFF_UP) - return -EBUSY; - - /* Calculate bittiming parameters based on - * bittiming_const if set, otherwise pass bitrate - * directly via do_set_bitrate(). Bail out if neither - * is given. - */ - if (!priv->bittiming_const && !priv->do_set_bittiming && - !priv->bitrate_const) - return -EOPNOTSUPP; - - memcpy(&bt, nla_data(data[IFLA_CAN_BITTIMING]), sizeof(bt)); - err = can_get_bittiming(dev, &bt, - priv->bittiming_const, - priv->bitrate_const, - priv->bitrate_const_cnt, - extack); - if (err) - return err; - - if (priv->bitrate_max && bt.bitrate > priv->bitrate_max) { - NL_SET_ERR_MSG_FMT(extack, - "arbitration bitrate %u bps surpasses transceiver capabilities of %u bps", - bt.bitrate, priv->bitrate_max); - return -EINVAL; - } - - memcpy(&priv->bittiming, &bt, sizeof(bt)); - - if (priv->do_set_bittiming) { - /* Finally, set the bit-timing registers */ - err = priv->do_set_bittiming(dev); - if (err) - return err; - } - } - if (data[IFLA_CAN_CTRLMODE]) { struct can_ctrlmode *cm; u32 ctrlstatic; @@ -284,6 +242,48 @@ static int can_changelink(struct net_device *dev, struct nlattr *tb[], priv->ctrlmode &= cm->flags | ~CAN_CTRLMODE_TDC_MASK; } + if (data[IFLA_CAN_BITTIMING]) { + struct can_bittiming bt; + + /* Do not allow changing bittiming while running */ + if (dev->flags & IFF_UP) + return -EBUSY; + + /* Calculate bittiming parameters based on + * bittiming_const if set, otherwise pass bitrate + * directly via do_set_bitrate(). Bail out if neither + * is given. + */ + if (!priv->bittiming_const && !priv->do_set_bittiming && + !priv->bitrate_const) + return -EOPNOTSUPP; + + memcpy(&bt, nla_data(data[IFLA_CAN_BITTIMING]), sizeof(bt)); + err = can_get_bittiming(dev, &bt, + priv->bittiming_const, + priv->bitrate_const, + priv->bitrate_const_cnt, + extack); + if (err) + return err; + + if (priv->bitrate_max && bt.bitrate > priv->bitrate_max) { + NL_SET_ERR_MSG_FMT(extack, + "arbitration bitrate %u bps surpasses transceiver capabilities of %u bps", + bt.bitrate, priv->bitrate_max); + return -EINVAL; + } + + memcpy(&priv->bittiming, &bt, sizeof(bt)); + + if (priv->do_set_bittiming) { + /* Finally, set the bit-timing registers */ + err = priv->do_set_bittiming(dev); + if (err) + return err; + } + } + if (data[IFLA_CAN_RESTART_MS]) { /* Do not allow changing restart delay while running */ if (dev->flags & IFF_UP) |