netdev - [PATCH AUTOSEL 6.3 11/17] net: dpaa2-mac: add 25gbase-r support

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Date: Thu, 29 Jun 2023 15:00:40 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Josua Mayer <josua@...id-run.com>,
	Russell King <rmk+kernel@...linux.org.uk>,
	"David S . Miller" <davem@...emloft.net>,
	Sasha Levin <sashal@...nel.org>,
	ioana.ciornei@....com,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	linux@...linux.org.uk,
	netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 6.3 11/17] net: dpaa2-mac: add 25gbase-r support

From: Josua Mayer <josua@...id-run.com>

[ Upstream commit 9a43827e876c9a071826cc81783aa2222b020f1d ]

Layerscape MACs support 25Gbps network speed with dpmac "CAUI" mode.
Add the mappings between DPMAC_ETH_IF_* and HY_INTERFACE_MODE_*, as well
as the 25000 mac capability.

Tested on SolidRun LX2162a Clearfog, serdes 1 protocol 18.

Signed-off-by: Josua Mayer <josua@...id-run.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
index c886f33f8c6fe..5ab24f18026b0 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-mac.c
@@ -54,6 +54,9 @@ static int phy_mode(enum dpmac_eth_if eth_if, phy_interface_t *if_mode)
 	case DPMAC_ETH_IF_XFI:
 		*if_mode = PHY_INTERFACE_MODE_10GBASER;
 		break;
+	case DPMAC_ETH_IF_CAUI:
+		*if_mode = PHY_INTERFACE_MODE_25GBASER;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -79,6 +82,8 @@ static enum dpmac_eth_if dpmac_eth_if_mode(phy_interface_t if_mode)
 		return DPMAC_ETH_IF_XFI;
 	case PHY_INTERFACE_MODE_1000BASEX:
 		return DPMAC_ETH_IF_1000BASEX;
+	case PHY_INTERFACE_MODE_25GBASER:
+		return DPMAC_ETH_IF_CAUI;
 	default:
 		return DPMAC_ETH_IF_MII;
 	}
@@ -417,7 +422,7 @@ int dpaa2_mac_connect(struct dpaa2_mac *mac)
 
 	mac->phylink_config.mac_capabilities = MAC_SYM_PAUSE | MAC_ASYM_PAUSE |
 		MAC_10FD | MAC_100FD | MAC_1000FD | MAC_2500FD | MAC_5000FD |
-		MAC_10000FD;
+		MAC_10000FD | MAC_25000FD;
 
 	dpaa2_mac_set_supported_interfaces(mac);
 
-- 
2.39.2