netdev - [PATCH RESEND ethtool-next] netlink: settings: add two link extended substates of bad signal integrity

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Message-ID: <1629771291-31425-1-git-send-email-huangguangbin2@huawei.com>
Date:   Tue, 24 Aug 2021 10:14:51 +0800
From:   Guangbin Huang <huangguangbin2@...wei.com>
To:     <mkubecek@...e.cz>, <davem@...emloft.net>, <kuba@...nel.org>,
        <amitc@...lanox.com>, <idosch@...sch.org>, <andrew@...n.ch>,
        <o.rempel@...gutronix.de>, <f.fainelli@...il.com>,
        <jacob.e.keller@...el.com>, <mlxsw@...lanox.com>
CC:     <netdev@...r.kernel.org>, <lipeng321@...wei.com>,
        <huangguangbin2@...wei.com>
Subject: [PATCH RESEND ethtool-next] netlink: settings: add two link extended substates of bad signal integrity

Add two link extended substates of bad signal integrity available in the
kernel.

ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST means the input
external clock signal for SerDes is too weak or lost.

ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS means the received signal for
SerDes is too weak because analog loss of signal.

Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
---
 netlink/settings.c   | 4 ++++
 uapi/linux/ethtool.h | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/netlink/settings.c b/netlink/settings.c
index e47a38f3058f..6d10a0703861 100644
--- a/netlink/settings.c
+++ b/netlink/settings.c
@@ -639,6 +639,10 @@ static const char *const names_bad_signal_integrity_link_ext_substate[] = {
 		"Large number of physical errors",
 	[ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE]		=
 		"Unsupported rate",
+	[ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST]	=
+		"Serdes reference clock lost",
+	[ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS]			=
+		"Serdes ALOS",
 };
 
 static const char *const names_cable_issue_link_ext_substate[] = {
diff --git a/uapi/linux/ethtool.h b/uapi/linux/ethtool.h
index c6ec1111ffa3..bd1f09b23cf5 100644
--- a/uapi/linux/ethtool.h
+++ b/uapi/linux/ethtool.h
@@ -637,6 +637,8 @@ enum ethtool_link_ext_substate_link_logical_mismatch {
 enum ethtool_link_ext_substate_bad_signal_integrity {
 	ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS = 1,
 	ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE,
+	ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST,
+	ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS,
 };
 
 /* More information in addition to ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE. */
-- 
2.8.1