From 958ab281eb3e0543a995457fd2d9cb4504cde4b8 Mon Sep 17 00:00:00 2001 From: Guangbin Huang Date: Mon, 16 Aug 2021 10:15:26 +0800 Subject: [PATCH] docs: ethtool: Add two link extended substates of bad signal integrity Add documentation for two bad signal integrity substates: ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS. Signed-off-by: Guangbin Huang Signed-off-by: Jakub Kicinski --- Documentation/networking/ethtool-netlink.rst | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst index c86628e6a2356..c690bb37430da 100644 --- a/Documentation/networking/ethtool-netlink.rst +++ b/Documentation/networking/ethtool-netlink.rst @@ -595,6 +595,14 @@ Link extended substates: that is not formally supported, which led to signal integrity issues + + ``ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST`` The external clock signal for + SerDes is too weak or + unavailable. + + ``ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS`` The received signal for + SerDes is too weak because + analog loss of signal. ================================================================= ============================= Cable issue substates: -- 2.39.5