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net: sparx5: verify RGMII speeds

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When doing a port config, we verify the port speed against the PHY mode
and supported speeds of that PHY mode. Add checks for the four RGMII phy
modes: RGMII, RGMII_ID, RGMII_TXID and RGMII_RXID.

Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Tested-by: Robert Marko <robert.marko@sartura.hr>
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://patch.msgid.link/20241220-sparx5-lan969x-switch-driver-4-v5-6-fa8ba5dff732@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Daniel Machon 2024-12-20 14:48:45 +01:00 committed by Jakub Kicinski
parent 9b8d70ecfe
commit 95e467b85e
1 changed files with 9 additions and 0 deletions
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9
drivers/net/ethernet/microchip/sparx5/sparx5_port.c
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@ -257,6 +257,15 @@ static int sparx5_port_verify_speed(struct sparx5 *sparx5,
conf->speed != SPEED_25000))
return sparx5_port_error(port, conf, SPX5_PERR_SPEED);
break;
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_TXID:
case PHY_INTERFACE_MODE_RGMII_RXID:
if (conf->speed != SPEED_1000 &&
conf->speed != SPEED_100 &&
conf->speed != SPEED_10)
return sparx5_port_error(port, conf, SPX5_PERR_SPEED);
break;
default:
return sparx5_port_error(port, conf, SPX5_PERR_IFTYPE);
}