Add documentation for struct ethtool_flow_ext especially in regard to what flags are needed for which fields.
Showing the changes to include/uapi/linux (1 of 1 file). Show all
Unified · Split
| @@ -503,9 +503,20 @@ union ethtool_flow_union { · 502 unmodified lines | |||
| 503 | __u8 hdata[52]; | 503 | __u8 hdata[52]; |
| 504 | }; | 504 | }; |
| 505 | 505 | ||
| 506 | /** | ||
| 507 | * struct ethtool_flow_ext - additional RX flow fields | ||
| 508 | * @h_dest: destination MAC address | ||
| 509 | * @vlan_etype: VLAN EtherType | ||
| 510 | * @vlan_tci: VLAN tag control information | ||
| 511 | * @data: user defined data | ||
| 512 | * | ||
| 513 | * Note, @vlan_etype, @vlan_tci, and @data are only valid if %FLOW_EXT | ||
| 514 | * is set in &struct ethtool_rx_flow_spec @flow_type. | ||
| 515 | * @h_dest is valid if %FLOW_MAC_EXT is set. | ||
| 516 | */ | ||
| 506 | struct ethtool_flow_ext { | 517 | struct ethtool_flow_ext { |
| 507 | __u8 padding[2]; | 518 | __u8 padding[2]; |
| 508 | unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ | 519 | unsigned char h_dest[ETH_ALEN]; |
| 509 | __be16 vlan_etype; | 520 | __be16 vlan_etype; |
| 510 | __be16 vlan_tci; | 521 | __be16 vlan_tci; |
| 511 | __be32 data[2]; | 522 | __be32 data[2]; |
| @@ -519,7 +530,8 @@ struct ethtool_flow_ext { · 7 unmodified lines | |||
| 519 | * @m_u: Masks for flow field bits to be matched | 530 | * @m_u: Masks for flow field bits to be matched |
| 520 | * @m_ext: Masks for additional field bits to be matched | 531 | * @m_ext: Masks for additional field bits to be matched |
| 521 | * Note, all additional fields must be ignored unless @flow_type | 532 | * Note, all additional fields must be ignored unless @flow_type |
| 522 | * includes the %FLOW_EXT flag. | 533 | * includes the %FLOW_EXT or %FLOW_MAC_EXT flag |
| 534 | * (see &struct ethtool_flow_ext description). | ||
| 523 | * @ring_cookie: RX ring/queue index to deliver to, or %RX_CLS_FLOW_DISC | 535 | * @ring_cookie: RX ring/queue index to deliver to, or %RX_CLS_FLOW_DISC |
| 524 | * if packets should be discarded | 536 | * if packets should be discarded |
| 525 | * @location: Location of rule in the table. Locations must be | 537 | * @location: Location of rule in the table. Locations must be |