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# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
name: netdev
doc:
netdev configuration over generic netlink.
definitions:
-
type: flags
name: xdp-act
render-max: true
entries:
-
name: basic
doc:
XDP features set supported by all drivers
(XDP_ABORTED, XDP_DROP, XDP_PASS, XDP_TX)
-
name: redirect
doc:
The netdev supports XDP_REDIRECT
-
name: ndo-xmit
doc:
This feature informs if netdev implements ndo_xdp_xmit callback.
-
name: xsk-zerocopy
doc:
This feature informs if netdev supports AF_XDP in zero copy mode.
-
name: hw-offload
doc:
This feature informs if netdev supports XDP hw offloading.
-
name: rx-sg
doc:
This feature informs if netdev implements non-linear XDP buffer
support in the driver napi callback.
-
name: ndo-xmit-sg
doc:
This feature informs if netdev implements non-linear XDP buffer
support in ndo_xdp_xmit callback.
-
type: flags
name: xdp-rx-metadata
entries:
-
name: timestamp
doc:
Device is capable of exposing receive HW timestamp via bpf_xdp_metadata_rx_timestamp().
-
name: hash
doc:
Device is capable of exposing receive packet hash via bpf_xdp_metadata_rx_hash().
-
type: flags
name: xsk-flags
entries:
-
name: tx-timestamp
doc:
HW timestamping egress packets is supported by the driver.
-
name: tx-checksum
doc:
L3 checksum HW offload is supported by the driver.
attribute-sets:
-
name: dev
attributes:
-
name: ifindex
doc: netdev ifindex
type: u32
checks:
min: 1
-
name: pad
type: pad
-
name: xdp-features
doc: Bitmask of enabled xdp-features.
type: u64
enum: xdp-act
-
name: xdp-zc-max-segs
doc: max fragment count supported by ZC driver
type: u32
checks:
min: 1
-
name: xdp-rx-metadata-features
doc: Bitmask of supported XDP receive metadata features.
See Documentation/networking/xdp-rx-metadata.rst for more details.
type: u64
enum: xdp-rx-metadata
-
name: xsk-features
doc: Bitmask of enabled AF_XDP features.
type: u64
enum: xsk-flags
operations:
list:
-
name: dev-get
doc: Get / dump information about a netdev.
attribute-set: dev
do:
request:
attributes:
- ifindex
reply: &dev-all
attributes:
- ifindex
- xdp-features
- xdp-zc-max-segs
- xdp-rx-metadata-features
- xsk-features
dump:
reply: *dev-all
-
name: dev-add-ntf
doc: Notification about device appearing.
notify: dev-get
mcgrp: mgmt
-
name: dev-del-ntf
doc: Notification about device disappearing.
notify: dev-get
mcgrp: mgmt
-
name: dev-change-ntf
doc: Notification about device configuration being changed.
notify: dev-get
mcgrp: mgmt
mcast-groups:
list:
-
name: mgmt
|
