[PATCH net-next 01/15] ixgbe: E610: add discovering EEE capability

[Jacob Keller]

From: Jedrzej Jagielski <jedrzej.jagielski@xxxxxxxxx>

Add detecting and parsing EEE device capability.

Recently EEE functionality support has been introduced to E610 FW.
Currently ixgbe driver has no possibility to detect whether NVM
loaded on given adapter supports EEE.

There's dedicated device capability element reflecting FW support
for given EEE link speed.

Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@xxxxxxxxx>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@xxxxxxxxx>
Tested-by: Rinitha S <sx.rinitha@xxxxxxxxx>
Signed-off-by: Jacob Keller <jacob.e.keller@xxxxxxxxx>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_type_e610.h | 1 +
 include/linux/net/intel/libie/adminq.h             | 1 +
 drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c      | 3 +++
 3 files changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type_e610.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type_e610.h
index ff8d640a50b1..34f62a416eaa 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type_e610.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type_e610.h
@@ -891,6 +891,7 @@ struct ixgbe_hw_caps {
 	u8 apm_wol_support;
 	u8 acpi_prog_mthd;
 	u8 proxy_support;
+	u8 eee_support;
 	bool nvm_update_pending_nvm;
 	bool nvm_update_pending_orom;
 	bool nvm_update_pending_netlist;
diff --git a/include/linux/net/intel/libie/adminq.h b/include/linux/net/intel/libie/adminq.h
index ab13bd777a28..839114d8975a 100644
--- a/include/linux/net/intel/libie/adminq.h
+++ b/include/linux/net/intel/libie/adminq.h
@@ -196,6 +196,7 @@ LIBIE_CHECK_STRUCT_LEN(16, libie_aqc_list_caps);
 #define LIBIE_AQC_BIT_ROCEV2_LAG			BIT(0)
 #define LIBIE_AQC_BIT_SRIOV_LAG				BIT(1)
 #define LIBIE_AQC_BIT_SRIOV_AA_LAG			BIT(2)
+#define LIBIE_AQC_CAPS_EEE				0x009B
 #define LIBIE_AQC_CAPS_FLEX10				0x00F1
 #define LIBIE_AQC_CAPS_CEM				0x00F2
 
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
index 52f73142ff75..5383f0fd55d6 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
@@ -628,6 +628,9 @@ static bool ixgbe_parse_e610_caps(struct ixgbe_hw *hw,
 			(phys_id & IXGBE_EXT_TOPO_DEV_IMG_PROG_EN) != 0;
 		break;
 	}
+	case LIBIE_AQC_CAPS_EEE:
+		caps->eee_support = (u8)number;
+		break;
 	default:
 		/* Not one of the recognized common capabilities */
 		return false;

-- 
2.54.0.rc2.531.gaf818d63126a