RE: [PATCH v2 21/25] net/axgbe: add 2.5GbE support to 10G BaseT mode

["Sebastian, Selwin" <Selwin.Sebastian@amd.com>]

[AMD Official Use Only - AMD Internal Distribution Only]

Acked-by: Selwin Sebastian<selwin.sebastian@amd.com>

-----Original Message-----
From: Ande, Venkat Kumar <VenkatKumar.Ande@amd.com>
Sent: Tuesday, May 7, 2024 6:13 PM
To: dev@dpdk.org
Cc: Sebastian, Selwin <Selwin.Sebastian@amd.com>; Ande, Venkat Kumar <VenkatKumar.Ande@amd.com>
Subject: [PATCH v2 21/25] net/axgbe: add 2.5GbE support to 10G BaseT mode

Add support to the driver to fully recognize and enable 2.5GbE speed in 10GBaseT mode.

Signed-off-by: Venkat Kumar Ande <venkatkumar.ande@amd.com>
---
 drivers/net/axgbe/axgbe_phy_impl.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/axgbe/axgbe_phy_impl.c b/drivers/net/axgbe/axgbe_phy_impl.c
index d173545e83..13b37e9b8b 100644
--- a/drivers/net/axgbe/axgbe_phy_impl.c
+++ b/drivers/net/axgbe/axgbe_phy_impl.c
@@ -1392,9 +1392,11 @@ static enum axgbe_mode axgbe_phy_switch_baset_mode(struct axgbe_port *pdata)
        case AXGBE_MODE_SGMII_100:
        case AXGBE_MODE_SGMII_1000:
                return AXGBE_MODE_KR;
+       case AXGBE_MODE_KX_2500:
+               return AXGBE_MODE_SGMII_1000;
        case AXGBE_MODE_KR:
        default:
-               return AXGBE_MODE_SGMII_1000;
+               return AXGBE_MODE_KX_2500;
        }
 }

@@ -1883,6 +1885,7 @@ static bool axgbe_phy_port_mode_mismatch(struct axgbe_port *pdata)
                if ((phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_10)  ||
                    (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_100) ||
                    (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_1000) ||
+                   (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_2500) ||
                    (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_10000))
                        return false;
                break;
@@ -2270,6 +2273,10 @@ static int axgbe_phy_init(struct axgbe_port *pdata)
                        pdata->phy.supported |= SUPPORTED_1000baseT_Full;
                        phy_data->start_mode = AXGBE_MODE_SGMII_1000;
                }
+               if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_2500) {
+                       pdata->phy.supported |= SUPPORTED_2500baseX_Full;
+                       phy_data->start_mode = AXGBE_MODE_KX_2500;
+               }
                if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_10000) {
                        pdata->phy.supported |= SUPPORTED_10000baseT_Full;
                        phy_data->start_mode = AXGBE_MODE_KR;
--
2.34.1