| Message ID | 20230214104049.1553059-2-steen.hegelund@microchip.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Adding Sparx5 ES0 VCAP support | expand |
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c index 246259b2ae94..3a1b1a1f5a19 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_port.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_port.c @@ -1071,6 +1071,11 @@ int sparx5_port_init(struct sparx5 *sparx5, /* Discard pause frame 01-80-C2-00-00-01 */ spx5_wr(PAUSE_DISCARD, sparx5, ANA_CL_CAPTURE_BPDU_CFG(port->portno)); + /* Discard SMAC multicast */ + spx5_rmw(ANA_CL_FILTER_CTRL_FILTER_SMAC_MC_DIS_SET(0), + ANA_CL_FILTER_CTRL_FILTER_SMAC_MC_DIS, + sparx5, ANA_CL_FILTER_CTRL(port->portno)); + if (conf->portmode == PHY_INTERFACE_MODE_QSGMII || conf->portmode == PHY_INTERFACE_MODE_SGMII) { err = sparx5_serdes_set(sparx5, port, conf);
A valid frame should never use a multicast address as its source MAC address, so discard these invalid frames. Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com> --- drivers/net/ethernet/microchip/sparx5/sparx5_port.c | 5 +++++ 1 file changed, 5 insertions(+)