Merge branch 'qed-20g'

Sudarsana Reddy Kalluru says:

====================
qed*: Driver support for 20G link speed.

The patch series adds driver support for configuring/reading the 20G link
speed.

Please consider applying this to "net-next".
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed_dev.c

@@ -2679,6 +2679,9 @@ static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 	case NVM_CFG1_PORT_DRV_LINK_SPEED_10G:
 		link->speed.forced_speed = 10000;
 		break;
+	case NVM_CFG1_PORT_DRV_LINK_SPEED_20G:
+		link->speed.forced_speed = 20000;
+		break;
 	case NVM_CFG1_PORT_DRV_LINK_SPEED_25G:
 		link->speed.forced_speed = 25000;
 		break;

drivers/net/ethernet/qlogic/qed/qed_hsi.h

@@ -13154,6 +13154,7 @@ struct nvm_cfg1_port {
 #define NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_OFFSET		0
 #define NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_1G		0x1
 #define NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G		0x2
+#define NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G             0x4
 #define NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G		0x8
 #define NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_40G		0x10
 #define NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_50G		0x20
@@ -13164,6 +13165,7 @@ struct nvm_cfg1_port {
 #define NVM_CFG1_PORT_DRV_LINK_SPEED_AUTONEG			0x0
 #define NVM_CFG1_PORT_DRV_LINK_SPEED_1G				0x1
 #define NVM_CFG1_PORT_DRV_LINK_SPEED_10G			0x2
+#define NVM_CFG1_PORT_DRV_LINK_SPEED_20G                        0x3
 #define NVM_CFG1_PORT_DRV_LINK_SPEED_25G			0x4
 #define NVM_CFG1_PORT_DRV_LINK_SPEED_40G			0x5
 #define NVM_CFG1_PORT_DRV_LINK_SPEED_50G			0x6

drivers/net/ethernet/qlogic/qed/qed_main.c

@@ -1337,6 +1337,9 @@ static int qed_set_link(struct qed_dev *cdev, struct qed_link_params *params)
 		if (params->adv_speeds & QED_LM_10000baseKR_Full_BIT)
 			link_params->speed.advertised_speeds |=
 			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G;
+		if (params->adv_speeds & QED_LM_20000baseKR2_Full_BIT)
+			link_params->speed.advertised_speeds |=
+				NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G;
 		if (params->adv_speeds & QED_LM_25000baseKR_Full_BIT)
 			link_params->speed.advertised_speeds |=
 			    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G;
@@ -1502,6 +1505,9 @@ static void qed_fill_link(struct qed_hwfn *hwfn,
 	if (params.speed.advertised_speeds &
 	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
 		if_link->advertised_caps |= QED_LM_10000baseKR_Full_BIT;
+	if (params.speed.advertised_speeds &
+	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
+		if_link->advertised_caps |= QED_LM_20000baseKR2_Full_BIT;
 	if (params.speed.advertised_speeds &
 	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
 		if_link->advertised_caps |= QED_LM_25000baseKR_Full_BIT;
@@ -1522,6 +1528,9 @@ static void qed_fill_link(struct qed_hwfn *hwfn,
 	if (link_caps.speed_capabilities &
 	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_10G)
 		if_link->supported_caps |= QED_LM_10000baseKR_Full_BIT;
+	if (link_caps.speed_capabilities &
+	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_20G)
+		if_link->supported_caps |= QED_LM_20000baseKR2_Full_BIT;
 	if (link_caps.speed_capabilities &
 	    NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_25G)
 		if_link->supported_caps |= QED_LM_25000baseKR_Full_BIT;
@@ -1559,6 +1568,8 @@ static void qed_fill_link(struct qed_hwfn *hwfn,
 		if_link->lp_caps |= QED_LM_1000baseT_Full_BIT;
 	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_10G)
 		if_link->lp_caps |= QED_LM_10000baseKR_Full_BIT;
+	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_20G)
+		if_link->lp_caps |= QED_LM_20000baseKR2_Full_BIT;
 	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_25G)
 		if_link->lp_caps |= QED_LM_25000baseKR_Full_BIT;
 	if (link.partner_adv_speed & QED_LINK_PARTNER_SPEED_40G)

drivers/net/ethernet/qlogic/qede/qede_ethtool.c

@@ -420,6 +420,7 @@ static const struct qede_link_mode_mapping qed_lm_map[] = {
 	{QED_LM_1000baseT_Half_BIT, ETHTOOL_LINK_MODE_1000baseT_Half_BIT},
 	{QED_LM_1000baseT_Full_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT},
 	{QED_LM_10000baseKR_Full_BIT, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT},
+	{QED_LM_20000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT},
 	{QED_LM_25000baseKR_Full_BIT, ETHTOOL_LINK_MODE_25000baseKR_Full_BIT},
 	{QED_LM_40000baseLR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT},
 	{QED_LM_50000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT},
@@ -535,6 +536,14 @@ static int qede_set_link_ksettings(struct net_device *dev,
 			}
 			params.adv_speeds = QED_LM_10000baseKR_Full_BIT;
 			break;
+		case SPEED_20000:
+			if (!(current_link.supported_caps &
+			      QED_LM_20000baseKR2_Full_BIT)) {
+				DP_INFO(edev, "20G speed not supported\n");
+				return -EINVAL;
+			}
+			params.adv_speeds = QED_LM_20000baseKR2_Full_BIT;
+			break;
 		case SPEED_25000:
 			if (!(current_link.supported_caps &
 			      QED_LM_25000baseKR_Full_BIT)) {

include/linux/qed/qed_if.h

@@ -670,10 +670,11 @@ enum qed_link_mode_bits {
 	QED_LM_1000baseT_Half_BIT = BIT(4),
 	QED_LM_1000baseT_Full_BIT = BIT(5),
 	QED_LM_10000baseKR_Full_BIT = BIT(6),
-	QED_LM_25000baseKR_Full_BIT = BIT(7),
-	QED_LM_40000baseLR4_Full_BIT = BIT(8),
-	QED_LM_50000baseKR2_Full_BIT = BIT(9),
-	QED_LM_100000baseKR4_Full_BIT = BIT(10),
+	QED_LM_20000baseKR2_Full_BIT = BIT(7),
+	QED_LM_25000baseKR_Full_BIT = BIT(8),
+	QED_LM_40000baseLR4_Full_BIT = BIT(9),
+	QED_LM_50000baseKR2_Full_BIT = BIT(10),
+	QED_LM_100000baseKR4_Full_BIT = BIT(11),
 	QED_LM_COUNT = 11
 };