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

From: Sasha Levin
Date: Thu Jun 29 2023 - 15:02:31 EST


From: Josua Mayer <josua@xxxxxxxxxxxxx>

[ 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@xxxxxxxxxxxxx>
Reviewed-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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