File ethtool-add-two-coalesce-attributes-for-CQE-mode.patch of Package linux-glibc-devel.29113

From: Yufeng Mo <moyufeng@huawei.com>
Date: Fri, 20 Aug 2021 15:35:17 +0800
Subject: ethtool: add two coalesce attributes for CQE mode
Patch-mainline: v5.15-rc1
Git-commit: 029ee6b14356b94120bedb852dcdaefc0a282cf1
References: jsc#SLE-19253

Currently, there are many drivers who support CQE mode configuration,
some configure it as a fixed when initialized, some provide an
interface to change it by ethtool private flags. In order to make it
more generic, add two new 'ETHTOOL_A_COALESCE_USE_CQE_TX' and
'ETHTOOL_A_COALESCE_USE_CQE_RX' coalesce attributes, then these
parameters can be accessed by ethtool netlink coalesce uAPI.

Also add an new structure kernel_ethtool_coalesce, then the
new parameter can be added into this struct.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 Documentation/networking/ethtool-netlink.rst |   15 +++++++++++++++
 include/linux/ethtool.h                      |   11 ++++++++++-
 include/uapi/linux/ethtool_netlink.h         |    2 ++
 net/ethtool/coalesce.c                       |   19 +++++++++++++++++--
 net/ethtool/netlink.h                        |    2 +-
 5 files changed, 45 insertions(+), 4 deletions(-)

--- a/include/linux/ethtool_netlink.h
+++ b/include/linux/ethtool_netlink.h
@@ -377,6 +377,8 @@ enum {
 	ETHTOOL_A_COALESCE_TX_USECS_HIGH,		/* u32 */
 	ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH,		/* u32 */
 	ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL,	/* u32 */
+	ETHTOOL_A_COALESCE_USE_CQE_MODE_TX,		/* u8 */
+	ETHTOOL_A_COALESCE_USE_CQE_MODE_RX,		/* u8 */
 
 	/* add new constants above here */
 	__ETHTOOL_A_COALESCE_CNT,