-struct ethtool_link_settings {
- __u32 cmd;
- __u32 speed;
- __u8 duplex;
- __u8 port;
- __u8 phy_address;
- __u8 autoneg;
- __u8 mdio_support;
- __u8 eth_tp_mdix;
- __u8 eth_tp_mdix_ctrl;
- __s8 link_mode_masks_nwords;
- __u32 reserved[8];
- __u32 link_mode_masks[0];
- /* layout of link_mode_masks fields:
- * __u32 map_supported[link_mode_masks_nwords];
- * __u32 map_advertising[link_mode_masks_nwords];
- * __u32 map_lp_advertising[link_mode_masks_nwords];
- */