diff options
| -rw-r--r-- | drivers/net/usb/lan78xx.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index f20890ee03f3..d36d5ebf37f3 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -3261,6 +3261,54 @@ void lan78xx_tx_timeout(struct net_device *net) tasklet_schedule(&dev->bh); } +struct rtnl_link_stats64 *lan78xx_get_stats64(struct net_device *netdev, + struct rtnl_link_stats64 *storage) +{ + struct lan78xx_net *dev = netdev_priv(netdev); + struct lan78xx_statstage64 stats; + + /* curr_stat is updated by timer. + * periodic reading from HW will prevent from entering USB auto suspend. + * if autosuspend is disabled, read from HW. + */ + if (!dev->udev->dev.power.runtime_auto) + lan78xx_update_stats(dev); + + mutex_lock(&dev->stats.access_lock); + memcpy(&stats, &dev->stats.curr_stat, sizeof(stats)); + mutex_unlock(&dev->stats.access_lock); + + /* calc by driver */ + storage->rx_packets = (__u64)netdev->stats.rx_packets; + storage->tx_packets = (__u64)netdev->stats.tx_packets; + storage->rx_bytes = (__u64)netdev->stats.rx_bytes; + storage->tx_bytes = (__u64)netdev->stats.tx_bytes; + + /* use counter */ + storage->rx_length_errors = stats.rx_undersize_frame_errors + + stats.rx_oversize_frame_errors; + storage->rx_crc_errors = stats.rx_fcs_errors; + storage->rx_frame_errors = stats.rx_alignment_errors; + storage->rx_fifo_errors = stats.rx_dropped_frames; + storage->rx_over_errors = stats.rx_oversize_frame_errors; + storage->rx_errors = stats.rx_fcs_errors + + stats.rx_alignment_errors + + stats.rx_fragment_errors + + stats.rx_jabber_errors + + stats.rx_undersize_frame_errors + + stats.rx_oversize_frame_errors + + stats.rx_dropped_frames; + + storage->tx_carrier_errors = stats.tx_carrier_errors; + storage->tx_errors = stats.tx_fcs_errors + + stats.tx_excess_deferral_errors + + stats.tx_carrier_errors; + + storage->multicast = stats.rx_multicast_frames; + + return storage; +} + static const struct net_device_ops lan78xx_netdev_ops = { .ndo_open = lan78xx_open, .ndo_stop = lan78xx_stop, @@ -3274,6 +3322,7 @@ static const struct net_device_ops lan78xx_netdev_ops = { .ndo_set_features = lan78xx_set_features, .ndo_vlan_rx_add_vid = lan78xx_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = lan78xx_vlan_rx_kill_vid, + .ndo_get_stats64 = lan78xx_get_stats64, }; static void lan78xx_stat_monitor(unsigned long param) |