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netdev: add queue stat for alloc failures

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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>
This commit is contained in:
Jakub Kicinski
2024-03-06 11:55:08 -08:00
parent ab63a2387c
commit 92f8b1f5ca
5 changed files with 13 additions and 1 deletions
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1
include/uapi/linux/netdev.h
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@@ -145,6 +145,7 @@ enum {
NETDEV_A_QSTATS_RX_BYTES,
NETDEV_A_QSTATS_TX_PACKETS,
NETDEV_A_QSTATS_TX_BYTES,
NETDEV_A_QSTATS_RX_ALLOC_FAIL,
__NETDEV_A_QSTATS_MAX,
NETDEV_A_QSTATS_MAX = (__NETDEV_A_QSTATS_MAX - 1)