GMAC_VLAN_TAG      21 drivers/net/ethernet/stmicro/stmmac/dwmac1000.h #define GMAC_VLAN_TAG		0x0000001c	/* VLAN Tag */
GMAC_VLAN_TAG      19 drivers/net/ethernet/stmicro/stmmac/dwmac4.h #define GMAC_VLAN_TAG			0x00000050