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authorXuan Zhuo2024-04-26 11:39:27 +0800
committerPaolo Abeni2024-04-30 10:51:33 +0200
commit0cfe71f45f420e412fda2395807a56c453a6e0b6 (patch)
tree19653224b4aafd6ff15a62ad9e2790ddbbfce301 /Documentation/netlink
parentd806e1ff79e65f9cf7932286555fc2855e721ae5 (diff)
netdev: add queue stats
These stats are commonly. Support reporting those via netdev-genl queue stats. name: rx-hw-drops name: rx-hw-drop-overruns name: rx-csum-unnecessary name: rx-csum-none name: rx-csum-bad name: rx-hw-gro-packets name: rx-hw-gro-bytes name: rx-hw-gro-wire-packets name: rx-hw-gro-wire-bytes name: rx-hw-drop-ratelimits name: tx-hw-drops name: tx-hw-drop-errors name: tx-csum-none name: tx-needs-csum name: tx-hw-gso-packets name: tx-hw-gso-bytes name: tx-hw-gso-wire-packets name: tx-hw-gso-wire-bytes name: tx-hw-drop-ratelimits Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'Documentation/netlink')
-rw-r--r--Documentation/netlink/specs/netdev.yaml104
1 files changed, 104 insertions, 0 deletions
diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml
index 679c4130707c..2be4b3714d17 100644
--- a/Documentation/netlink/specs/netdev.yaml
+++ b/Documentation/netlink/specs/netdev.yaml
@@ -335,6 +335,110 @@ attribute-sets:
Allocation failure may, or may not result in a packet drop, depending
on driver implementation and whether system recovers quickly.
type: uint
+ -
+ name: rx-hw-drops
+ doc: |
+ Number of all packets which entered the device, but never left it,
+ including but not limited to: packets dropped due to lack of buffer
+ space, processing errors, explicit or implicit policies and packet
+ filters.
+ type: uint
+ -
+ name: rx-hw-drop-overruns
+ doc: |
+ Number of packets dropped due to transient lack of resources, such as
+ buffer space, host descriptors etc.
+ type: uint
+ -
+ name: rx-csum-unnecessary
+ doc: Number of packets that were marked as CHECKSUM_UNNECESSARY.
+ type: uint
+ -
+ name: rx-csum-none
+ doc: Number of packets that were not checksummed by device.
+ type: uint
+ -
+ name: rx-csum-bad
+ doc: |
+ Number of packets with bad checksum. The packets are not discarded,
+ but still delivered to the stack.
+ type: uint
+ -
+ name: rx-hw-gro-packets
+ doc: |
+ Number of packets that were coalesced from smaller packets by the device.
+ Counts only packets coalesced with the HW-GRO netdevice feature,
+ LRO-coalesced packets are not counted.
+ type: uint
+ -
+ name: rx-hw-gro-bytes
+ doc: See `rx-hw-gro-packets`.
+ type: uint
+ -
+ name: rx-hw-gro-wire-packets
+ doc: |
+ Number of packets that were coalesced to bigger packetss with the HW-GRO
+ netdevice feature. LRO-coalesced packets are not counted.
+ type: uint
+ -
+ name: rx-hw-gro-wire-bytes
+ doc: See `rx-hw-gro-wire-packets`.
+ type: uint
+ -
+ name: rx-hw-drop-ratelimits
+ doc: |
+ Number of the packets dropped by the device due to the received
+ packets bitrate exceeding the device rate limit.
+ type: uint
+ -
+ name: tx-hw-drops
+ doc: |
+ Number of packets that arrived at the device but never left it,
+ encompassing packets dropped for reasons such as processing errors, as
+ well as those affected by explicitly defined policies and packet
+ filtering criteria.
+ type: uint
+ -
+ name: tx-hw-drop-errors
+ doc: Number of packets dropped because they were invalid or malformed.
+ type: uint
+ -
+ name: tx-csum-none
+ doc: |
+ Number of packets that did not require the device to calculate the
+ checksum.
+ type: uint
+ -
+ name: tx-needs-csum
+ doc: |
+ Number of packets that required the device to calculate the checksum.
+ type: uint
+ -
+ name: tx-hw-gso-packets
+ doc: |
+ Number of packets that necessitated segmentation into smaller packets
+ by the device.
+ type: uint
+ -
+ name: tx-hw-gso-bytes
+ doc: See `tx-hw-gso-packets`.
+ type: uint
+ -
+ name: tx-hw-gso-wire-packets
+ doc: |
+ Number of wire-sized packets generated by processing
+ `tx-hw-gso-packets`
+ type: uint
+ -
+ name: tx-hw-gso-wire-bytes
+ doc: See `tx-hw-gso-wire-packets`.
+ type: uint
+ -
+ name: tx-hw-drop-ratelimits
+ doc: |
+ Number of the packets dropped by the device due to the transmit
+ packets bitrate exceeding the device rate limit.
+ type: uint
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