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@solid-run.com>
---
 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 d860d9fe73af..a69bb22c37ea 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;
 	}
@@ -415,7 +420,7 @@ 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);
 
-- 
2.35.3

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:

On Fri, 16 Jun 2023 14:14:14 +0300 you wrote:
> 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@solid-run.com>
> 
> [...]

Here is the summary with links:
  - net: dpaa2-mac: add 25gbase-r support
    https://git.kernel.org/netdev/net/c/9a43827e876c

You are awesome, thank you!
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On Fri, Jun 16, 2023 at 02:14:14PM +0300, Josua Mayer wrote:
> Layerscape MACs support 25Gbps network speed with dpmac "CAUI" mode.
> Add the mappings between DPMAC_ETH_IF_* and HY_INTERFACE_MODE_*, as well

Missing "P" for "PHY_".

> as the 25000 mac capability.
> 
> Tested on SolidRun LX2162a Clearfog, serdes 1 protocol 18.
> 
> Signed-off-by: Josua Mayer <josua@solid-run.com>

Otherwise,

Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

Thanks!

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