netdev - [RFC net-next 5/5] dpaa2-mac: add 10GBASE-R PCS support

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Message-Id: <E1jEDac-0008Jd-Vq@rmk-PC.armlinux.org.uk>
Date:   Tue, 17 Mar 2020 14:53:06 +0000
From:   Russell King <rmk+kernel@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Ioana Radulescu <ruxandra.radulescu@....com>
Subject: [RFC net-next 5/5] dpaa2-mac: add 10GBASE-R PCS support

*NOT FOR MERGING*

Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
---
 .../net/ethernet/freescale/dpaa2/dpaa2-mac.c  | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
index e7b2dc366338..38f8d31bf426 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
@@ -27,6 +27,10 @@ static void dpaa2_mac_pcs_get_state(struct phylink_config *config,
 		phylink_mii_c22_pcs_get_state(pcs, state);
 		break;
 
+	case PHY_INTERFACE_MODE_10GBASER:
+		phylink_mii_c45_pcs_get_state(pcs, state);
+		break;
+
 	default:
 		break;
 	}
@@ -131,6 +135,10 @@ static int phy_mode(enum dpmac_eth_if eth_if, phy_interface_t *if_mode)
 		*if_mode = PHY_INTERFACE_MODE_SGMII;
 		break;
 
+	case DPMAC_ETH_IF_XFI:
+		*if_mode = PHY_INTERFACE_MODE_10GBASER;
+		break;
+
 	default:
 		return -EINVAL;
 	}
@@ -191,6 +199,7 @@ static bool dpaa2_mac_phy_mode_mismatch(struct dpaa2_mac *mac,
 	case PHY_INTERFACE_MODE_RGMII_ID:
 	case PHY_INTERFACE_MODE_RGMII_RXID:
 	case PHY_INTERFACE_MODE_RGMII_TXID:
+	case PHY_INTERFACE_MODE_10GBASER:
 		return (interface != mac->if_mode);
 	default:
 		return true;
@@ -216,6 +225,17 @@ static void dpaa2_mac_validate(struct phylink_config *config,
 
 	switch (state->interface) {
 	case PHY_INTERFACE_MODE_NA:
+	case PHY_INTERFACE_MODE_10GBASER:
+		phylink_set(mask, 10000baseT_Full);
+		phylink_set(mask, 10000baseKR_Full);
+		phylink_set(mask, 10000baseCR_Full);
+		phylink_set(mask, 10000baseSR_Full);
+		phylink_set(mask, 10000baseLR_Full);
+		phylink_set(mask, 10000baseLRM_Full);
+		phylink_set(mask, 10000baseER_Full);
+		if (state->interface != PHY_INTERFACE_MODE_NA)
+			break;
+		/* fallthrough */
 	case PHY_INTERFACE_MODE_1000BASEX:
 	case PHY_INTERFACE_MODE_SGMII:
 	case PHY_INTERFACE_MODE_RGMII:
-- 
2.20.1