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| author | Jakub Kicinski | 2024-03-06 11:55:08 -0800 |
|---|---|---|
| committer | Jakub Kicinski | 2024-03-07 21:13:26 -0800 |
| commit | 92f8b1f5ca0f157f564e75cef4c63641c172e0f1 (patch) | |
| tree | 3645a4992ef60b1fbbcf49d6115256fd129d2fd9 /Documentation | |
| parent | ab63a2387cb906d43b72a8effb611bbaecb2d0cd (diff) | |
netdev: add queue stat for alloc failures
Rx alloc failures are commonly counted by drivers.
Support reporting those via netdev-genl queue stats.
Acked-by: Stanislav Fomichev <sdf@google.com>
Reviewed-by: Amritha Nambiar <amritha.nambiar@intel.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240306195509.1502746-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/netlink/specs/netdev.yaml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml index a1e48c3c84c9..76352dbd2be4 100644 --- a/Documentation/netlink/specs/netdev.yaml +++ b/Documentation/netlink/specs/netdev.yaml @@ -328,6 +328,13 @@ attribute-sets: name: tx-bytes doc: Successfully sent bytes, see `tx-packets`. type: uint + - + name: rx-alloc-fail + doc: | + Number of times skb or buffer allocation failed on the Rx datapath. + Allocation failure may, or may not result in a packet drop, depending + on driver implementation and whether system recovers quickly. + type: uint operations: list: |