netdev - [PATCH iwl-next v1] ixgbe: add support for thermal sensor event reception

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250115122720.431223-1-jedrzej.jagielski@intel.com>
Date: Wed, 15 Jan 2025 13:27:20 +0100
From: Jedrzej Jagielski <jedrzej.jagielski@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: anthony.l.nguyen@...el.com,
	netdev@...r.kernel.org,
	Jedrzej Jagielski <jedrzej.jagielski@...el.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>
Subject: [PATCH iwl-next v1] ixgbe: add support for thermal sensor event reception

E610 NICs unlike the previous devices utilising ixgbe driver
are notified in the case of overheat by the FW ACI event.

In event of overheat when treshhold is exceeded, FW suspends all
traffic and sends overtemp event to the driver. Then driver
loggs appropriate message and closes the adapter instance.
The card remains in that state until the platform is rebooted.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@...el.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c      | 5 +++++
 drivers/net/ethernet/intel/ixgbe/ixgbe_type_e610.h | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 7236f20c9a30..5c804948dd1f 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3165,6 +3165,7 @@ static void ixgbe_aci_event_cleanup(struct ixgbe_aci_event *event)
 static void ixgbe_handle_fw_event(struct ixgbe_adapter *adapter)
 {
 	struct ixgbe_aci_event event __cleanup(ixgbe_aci_event_cleanup);
+	struct net_device *netdev = adapter->netdev;
 	struct ixgbe_hw *hw = &adapter->hw;
 	bool pending = false;
 	int err;
@@ -3185,6 +3186,10 @@ static void ixgbe_handle_fw_event(struct ixgbe_adapter *adapter)
 		case ixgbe_aci_opc_get_link_status:
 			ixgbe_handle_link_status_event(adapter, &event);
 			break;
+		case ixgbe_aci_opc_temp_tca_event:
+			e_crit(drv, "%s\n", ixgbe_overheat_msg);
+			ixgbe_close(netdev);
+			break;
 		default:
 			e_warn(hw, "unknown FW async event captured\n");
 			break;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type_e610.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type_e610.h
index 8d06ade3c7cd..617e07878e4f 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type_e610.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type_e610.h
@@ -171,6 +171,9 @@ enum ixgbe_aci_opc {
 	ixgbe_aci_opc_done_alt_write			= 0x0904,
 	ixgbe_aci_opc_clear_port_alt_write		= 0x0906,
 
+	/* TCA Events */
+	ixgbe_aci_opc_temp_tca_event                    = 0x0C94,
+
 	/* debug commands */
 	ixgbe_aci_opc_debug_dump_internals		= 0xFF08,
 

base-commit: 09a7ccb316bce8347fefad05809426526b6699f3
-- 
2.31.1