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[ethtool-next,3/3] ethtool: Add transceiver module extended state

Message ID 20211207093359.69974-4-idosch@idosch.org (mailing list archive)
State Accepted
Commit 1f357867e4ef50d7e3a26afdb85ef27352e00477
Delegated to: Michal Kubecek
Headers show
Series ethtool: Add ability to control transceiver modules' power mode | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Ido Schimmel Dec. 7, 2021, 9:33 a.m. UTC 
From: Ido Schimmel <idosch@nvidia.com>

Add support for an extended state and an extended sub-state to describe
link issues related to transceiver modules.

In case "CMIS transceiver module is not in ModuleReady state" and the
module is in ModuleFault state, it is possible to read the fault reason
from the EEPROM dump.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
---
 netlink/settings.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/netlink/settings.c b/netlink/settings.c
index ff1e783d099c..3cf816f06299 100644
--- a/netlink/settings.c
+++ b/netlink/settings.c
@@ -593,6 +593,7 @@  static const char *const names_link_ext_state[] = {
 	[ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE]	= "Calibration failure",
 	[ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED]	= "Power budget exceeded",
 	[ETHTOOL_LINK_EXT_STATE_OVERHEAT]		= "Overheat",
+	[ETHTOOL_LINK_EXT_STATE_MODULE]			= "Module",
 };
 
 static const char *const names_autoneg_link_ext_substate[] = {
@@ -652,6 +653,11 @@  static const char *const names_cable_issue_link_ext_substate[] = {
 		"Cable test failure",
 };
 
+static const char *const names_module_link_ext_substate[] = {
+	[ETHTOOL_LINK_EXT_SUBSTATE_MODULE_CMIS_NOT_READY]	=
+		"CMIS module is not in ModuleReady state",
+};
+
 static const char *link_ext_substate_get(uint8_t link_ext_state_val, uint8_t link_ext_substate_val)
 {
 	switch (link_ext_state_val) {
@@ -675,6 +681,10 @@  static const char *link_ext_substate_get(uint8_t link_ext_state_val, uint8_t lin
 		return get_enum_string(names_cable_issue_link_ext_substate,
 				       ARRAY_SIZE(names_cable_issue_link_ext_substate),
 				       link_ext_substate_val);
+	case ETHTOOL_LINK_EXT_STATE_MODULE:
+		return get_enum_string(names_module_link_ext_substate,
+				       ARRAY_SIZE(names_module_link_ext_substate),
+				       link_ext_substate_val);
 	default:
 		return NULL;
 	}