diff options
| author | Daniel Machon <daniel.machon@microchip.com> | 2024-12-20 16:48:45 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-12-23 21:57:55 +0300 |
| commit | 95e467b85e6930d34093b7770c7ed964113589b0 (patch) | |
| tree | 4c242bb025c26b983e044677ca9689a16ef7aa4a | |
| parent | 9b8d70ecfef7abcabe265be4faeb07e552383520 (diff) | |
| download | linux-95e467b85e6930d34093b7770c7ed964113589b0.tar.xz | |
net: sparx5: verify RGMII speeds
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>
| -rw-r--r-- | drivers/net/ethernet/microchip/sparx5/sparx5_port.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c index 0a1374422ccb..86d6c9e9ec7c 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c @@ -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); } |