1# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 2 3name: netdev 4 5doc: 6 netdev configuration over generic netlink. 7 8definitions: 9 - 10 type: flags 11 name: xdp-act 12 render-max: true 13 entries: 14 - 15 name: basic 16 doc: 17 XDP features set supported by all drivers 18 (XDP_ABORTED, XDP_DROP, XDP_PASS, XDP_TX) 19 - 20 name: redirect 21 doc: 22 The netdev supports XDP_REDIRECT 23 - 24 name: ndo-xmit 25 doc: 26 This feature informs if netdev implements ndo_xdp_xmit callback. 27 - 28 name: xsk-zerocopy 29 doc: 30 This feature informs if netdev supports AF_XDP in zero copy mode. 31 - 32 name: hw-offload 33 doc: 34 This feature informs if netdev supports XDP hw offloading. 35 - 36 name: rx-sg 37 doc: 38 This feature informs if netdev implements non-linear XDP buffer 39 support in the driver napi callback. 40 - 41 name: ndo-xmit-sg 42 doc: 43 This feature informs if netdev implements non-linear XDP buffer 44 support in ndo_xdp_xmit callback. 45 - 46 type: flags 47 name: xdp-rx-metadata 48 render-max: true 49 entries: 50 - 51 name: timestamp 52 doc: 53 Device is capable of exposing receive HW timestamp via bpf_xdp_metadata_rx_timestamp(). 54 - 55 name: hash 56 doc: 57 Device is capable of exposing receive packet hash via bpf_xdp_metadata_rx_hash(). 58 59attribute-sets: 60 - 61 name: dev 62 attributes: 63 - 64 name: ifindex 65 doc: netdev ifindex 66 type: u32 67 checks: 68 min: 1 69 - 70 name: pad 71 type: pad 72 - 73 name: xdp-features 74 doc: Bitmask of enabled xdp-features. 75 type: u64 76 enum: xdp-act 77 enum-as-flags: true 78 - 79 name: xdp-zc-max-segs 80 doc: max fragment count supported by ZC driver 81 type: u32 82 checks: 83 min: 1 84 - 85 name: xdp-rx-metadata-features 86 doc: Bitmask of supported XDP receive metadata features. 87 See Documentation/networking/xdp-rx-metadata.rst for more details. 88 type: u64 89 enum: xdp-rx-metadata 90 enum-as-flags: true 91 92operations: 93 list: 94 - 95 name: dev-get 96 doc: Get / dump information about a netdev. 97 attribute-set: dev 98 do: 99 request: 100 attributes: 101 - ifindex 102 reply: &dev-all 103 attributes: 104 - ifindex 105 - xdp-features 106 - xdp-zc-max-segs 107 - xdp-rx-metadata-features 108 dump: 109 reply: *dev-all 110 - 111 name: dev-add-ntf 112 doc: Notification about device appearing. 113 notify: dev-get 114 mcgrp: mgmt 115 - 116 name: dev-del-ntf 117 doc: Notification about device disappearing. 118 notify: dev-get 119 mcgrp: mgmt 120 - 121 name: dev-change-ntf 122 doc: Notification about device configuration being changed. 123 notify: dev-get 124 mcgrp: mgmt 125 126mcast-groups: 127 list: 128 - 129 name: mgmt 130