ravb: Add magic_pkt to struct ravb_hw_info

E-MAC on R-Car supports magic packet detection, whereas RZ/G2L
does not support this feature. Add magic_pkt to struct ravb_hw_info
and enable this feature only for R-Car.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/renesas/ravb.h

@@ -1007,6 +1007,7 @@ struct ravb_hw_info {
 	unsigned gptp:1;		/* AVB-DMAC has gPTP support */
 	unsigned ccc_gac:1;		/* AVB-DMAC has gPTP support active in config mode */
 	unsigned nc_queue:1;		/* AVB-DMAC has NC queue */
+	unsigned magic_pkt:1;		/* E-MAC supports magic packet detection */
 };
 
 struct ravb_private {

drivers/net/ethernet/renesas/ravb_main.c

@@ -1436,8 +1436,9 @@ static void ravb_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 static int ravb_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 {
 	struct ravb_private *priv = netdev_priv(ndev);
+	const struct ravb_hw_info *info = priv->info;
 
-	if (wol->wolopts & ~WAKE_MAGIC)
+	if (!info->magic_pkt || (wol->wolopts & ~WAKE_MAGIC))
 		return -EOPNOTSUPP;
 
 	priv->wol_enabled = !!(wol->wolopts & WAKE_MAGIC);
@@ -2136,6 +2137,7 @@ static const struct ravb_hw_info ravb_gen3_hw_info = {
 	.multi_irqs = 1,
 	.ccc_gac = 1,
 	.nc_queue = 1,
+	.magic_pkt = 1,
 };
 
 static const struct ravb_hw_info ravb_gen2_hw_info = {
@@ -2157,6 +2159,7 @@ static const struct ravb_hw_info ravb_gen2_hw_info = {
 	.aligned_tx = 1,
 	.gptp = 1,
 	.nc_queue = 1,
+	.magic_pkt = 1,
 };
 
 static const struct ravb_hw_info gbeth_hw_info = {