From: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Date: Thu, 9 Aug 2018 13:54:12 -0700
Subject: liquidio: copperhead LED identification
Patch-mainline: v4.19-rc1
Git-commit: 0520344cdb1efa7c6404168b66f8dd0b1fe5face
References: bsc#1119406 FATE#326562

Add LED identification support for liquidio TP copperhead cards.

Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Acked-by: Derek Chickles <derek.chickles@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/cavium/liquidio/lio_ethtool.c     |   27 +++++++++++++----
 drivers/net/ethernet/cavium/liquidio/liquidio_common.h |    1 
 2 files changed, 23 insertions(+), 5 deletions(-)

--- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
@@ -857,7 +857,14 @@ static int lio_set_phys_id(struct net_de
 {
 	struct lio *lio = GET_LIO(netdev);
 	struct octeon_device *oct = lio->oct_dev;
+	struct oct_link_info *linfo;
 	int value, ret;
+	u32 cur_ver;
+
+	linfo = &lio->linfo;
+	cur_ver = OCT_FW_VER(oct->fw_info.ver.maj,
+			     oct->fw_info.ver.min,
+			     oct->fw_info.ver.rev);
 
 	switch (state) {
 	case ETHTOOL_ID_ACTIVE:
@@ -896,16 +903,22 @@ static int lio_set_phys_id(struct net_de
 				return ret;
 		} else if (oct->chip_id == OCTEON_CN23XX_PF_VID) {
 			octnet_id_active(netdev, LED_IDENTIFICATION_ON);
-
-			/* returns 0 since updates are asynchronous */
-			return 0;
+			if (linfo->link.s.phy_type == LIO_PHY_PORT_TP &&
+			    cur_ver > OCT_FW_VER(1, 7, 2))
+				return 2;
+			else
+				return 0;
 		} else {
 			return -EINVAL;
 		}
 		break;
 
 	case ETHTOOL_ID_ON:
-		if (oct->chip_id == OCTEON_CN66XX)
+		if (oct->chip_id == OCTEON_CN23XX_PF_VID &&
+		    linfo->link.s.phy_type == LIO_PHY_PORT_TP &&
+		    cur_ver > OCT_FW_VER(1, 7, 2))
+			octnet_id_active(netdev, LED_IDENTIFICATION_ON);
+		else if (oct->chip_id == OCTEON_CN66XX)
 			octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
 					   VITESSE_PHY_GPIO_HIGH);
 		else
@@ -914,7 +927,11 @@ static int lio_set_phys_id(struct net_de
 		break;
 
 	case ETHTOOL_ID_OFF:
-		if (oct->chip_id == OCTEON_CN66XX)
+		if (oct->chip_id == OCTEON_CN23XX_PF_VID &&
+		    linfo->link.s.phy_type == LIO_PHY_PORT_TP &&
+		    cur_ver > OCT_FW_VER(1, 7, 2))
+			octnet_id_active(netdev, LED_IDENTIFICATION_OFF);
+		else if (oct->chip_id == OCTEON_CN66XX)
 			octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
 					   VITESSE_PHY_GPIO_LOW);
 		else
--- a/drivers/net/ethernet/cavium/liquidio/liquidio_common.h
+++ b/drivers/net/ethernet/cavium/liquidio/liquidio_common.h
@@ -907,6 +907,7 @@ static inline int opcode_slow_path(union
 #define VITESSE_PHY_GPIO_LOW      0x3
 #define LED_IDENTIFICATION_ON     0x1
 #define LED_IDENTIFICATION_OFF    0x0
+#define LIO23XX_COPPERHEAD_LED_GPIO 0x2
 
 struct oct_mdio_cmd {
 	u64 op;