diff options
Diffstat (limited to 'drivers/net/can/flexcan/flexcan-ethtool.c')
| -rw-r--r-- | drivers/net/can/flexcan/flexcan-ethtool.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/can/flexcan/flexcan-ethtool.c b/drivers/net/can/flexcan/flexcan-ethtool.c index d01347fbfaa9..3ae535577700 100644 --- a/drivers/net/can/flexcan/flexcan-ethtool.c +++ b/drivers/net/can/flexcan/flexcan-ethtool.c @@ -18,6 +18,26 @@ static const char flexcan_priv_flags_strings[][ETH_GSTRING_LEN] = { }; static void +flexcan_get_ringparam(struct net_device *ndev, struct ethtool_ringparam *ring, + struct kernel_ethtool_ringparam *kernel_ring, + struct netlink_ext_ack *ext_ack) +{ + const struct flexcan_priv *priv = netdev_priv(ndev); + + ring->rx_max_pending = priv->mb_count; + ring->tx_max_pending = priv->mb_count; + + if (priv->devtype_data.quirks & FLEXCAN_QUIRK_USE_RX_MAILBOX) + ring->rx_pending = priv->offload.mb_last - + priv->offload.mb_first + 1; + else + ring->rx_pending = 6; /* RX-FIFO depth is fixed */ + + /* the drive currently supports only on TX buffer */ + ring->tx_pending = 1; +} + +static void flexcan_get_strings(struct net_device *ndev, u32 stringset, u8 *data) { switch (stringset) { @@ -81,6 +101,7 @@ static int flexcan_get_sset_count(struct net_device *netdev, int sset) } static const struct ethtool_ops flexcan_ethtool_ops = { + .get_ringparam = flexcan_get_ringparam, .get_strings = flexcan_get_strings, .get_priv_flags = flexcan_get_priv_flags, .set_priv_flags = flexcan_set_priv_flags, |