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net: ethtool: add ethtool COALESCE_RX_CQE_FRAMES/NSECS

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Add two parameters for drivers supporting Rx CQE coalescing /
descriptor writeback.

ETHTOOL_A_COALESCE_RX_CQE_FRAMES:
Maximum number of frames that can be coalesced into a CQE or
writeback.

ETHTOOL_A_COALESCE_RX_CQE_NSECS:
Max time in nanoseconds after the first packet arrival in a
coalesced CQE or writeback to be sent.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://patch.msgid.link/20260317191826.1346111-2-haiyangz@linux.microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Haiyang Zhang
2026-03-17 12:18:05 -07:00
committed by Jakub Kicinski
parent 04cd075557
commit dc3d720e12
5 changed files with 39 additions and 2 deletions
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2
include/uapi/linux/ethtool_netlink_generated.h
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@@ -371,6 +371,8 @@ enum {
ETHTOOL_A_COALESCE_TX_AGGR_TIME_USECS,
ETHTOOL_A_COALESCE_RX_PROFILE,
ETHTOOL_A_COALESCE_TX_PROFILE,
ETHTOOL_A_COALESCE_RX_CQE_FRAMES,
ETHTOOL_A_COALESCE_RX_CQE_NSECS,
__ETHTOOL_A_COALESCE_CNT,
ETHTOOL_A_COALESCE_MAX = (__ETHTOOL_A_COALESCE_CNT - 1)