features: add --json support
Adding json to make ethtool more machine friendly.
No change in normal text output:
Features for enx0c37961ce55a:
rx-checksumming: off [fixed]
tx-checksumming: off
tx-checksum-ipv4: off [fixed]
tx-checksum-ip-generic: off [fixed]
tx-checksum-ipv6: off [fixed]
tx-checksum-fcoe-crc: off [fixed]
tx-checksum-sctp: off [fixed]
scatter-gather: off
tx-scatter-gather: off [fixed]
tx-scatter-gather-fraglist: off [fixed]
tcp-segmentation-offload: off
tx-tcp-segmentation: off [fixed]
tx-tcp-ecn-segmentation: off [fixed]
tx-tcp-mangleid-segmentation: off [fixed]
tx-tcp6-segmentation: off [fixed]
generic-segmentation-offload: off [requested on]
...skip similar lines...
JSON output:
[ {
"ifname": "enx0c37961ce55a",
"rx-checksumming": {
"active": false,
"fixed": true,
"requested": false
},
"tx-checksumming": {
"active": false,
"fixed": null,
"requested": null
},
"tx-checksum-ipv4": {
"active": false,
"fixed": true,
"requested": false
},
"tx-checksum-ip-generic": {
"active": false,
"fixed": true,
"requested": false
},
"tx-checksum-ipv6": {
"active": false,
"fixed": true,
"requested": false
},
"tx-checksum-fcoe-crc": {
"active": false,
"fixed": true,
"requested": false
},
"tx-checksum-sctp": {
"active": false,
"fixed": true,
"requested": false
},
"scatter-gather": {
"active": false,
"fixed": null,
"requested": null
},
"tx-scatter-gather": {
"active": false,
"fixed": true,
"requested": false
},
...skip similar lines...
v2:
- formatting fixes
- show each feature as object with available attributes
v3:
- report "fixed" and "requested" as nil for the special features
Signed-off-by: Denys Fedoryshchenko <denys.f@collabora.com>
2 files changed