diff options
| -rw-r--r-- | include/uapi/linux/ethtool.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index be8c41e2dc15..0c9b44871df0 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -503,9 +503,20 @@ union ethtool_flow_union { __u8 hdata[52]; }; +/** + * struct ethtool_flow_ext - additional RX flow fields + * @h_dest: destination MAC address + * @vlan_etype: VLAN EtherType + * @vlan_tci: VLAN tag control information + * @data: user defined data + * + * Note, @vlan_etype, @vlan_tci, and @data are only valid if %FLOW_EXT + * is set in &struct ethtool_rx_flow_spec @flow_type. + * @h_dest is valid if %FLOW_MAC_EXT is set. + */ struct ethtool_flow_ext { __u8 padding[2]; - unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ + unsigned char h_dest[ETH_ALEN]; __be16 vlan_etype; __be16 vlan_tci; __be32 data[2]; @@ -519,7 +530,8 @@ struct ethtool_flow_ext { * @m_u: Masks for flow field bits to be matched * @m_ext: Masks for additional field bits to be matched * Note, all additional fields must be ignored unless @flow_type - * includes the %FLOW_EXT flag. + * includes the %FLOW_EXT or %FLOW_MAC_EXT flag + * (see &struct ethtool_flow_ext description). * @ring_cookie: RX ring/queue index to deliver to, or %RX_CLS_FLOW_DISC * if packets should be discarded * @location: Location of rule in the table. Locations must be |