diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 7db99b52679..e95dc30110e 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4496,6 +4496,30 @@ void dev_set_rx_mode(struct net_device *dev) } /** + * dev_ethtool_get_settings - call device's ethtool_ops::get_settings() + * @dev: device + * @cmd: memory area for ethtool_ops::get_settings() result + * + * The cmd arg is initialized properly (cleared and + * ethtool_cmd::cmd field set to ETHTOOL_GSET). + * + * Return device's ethtool_ops::get_settings() result value or + * -EOPNOTSUPP when device doesn't expose + * ethtool_ops::get_settings() operation. + */ +int dev_ethtool_get_settings(struct net_device *dev, + struct ethtool_cmd *cmd) +{ + if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings) + return -EOPNOTSUPP; + + memset(cmd, 0, sizeof(struct ethtool_cmd)); + cmd->cmd = ETHTOOL_GSET; + return dev->ethtool_ops->get_settings(dev, cmd); +} +EXPORT_SYMBOL(dev_ethtool_get_settings); + +/** * dev_get_flags - get flags reported to userspace * @dev: device * |