CMD_PROMISC
reg |= CMD_PROMISC;
reg &= ~CMD_PROMISC;
CMD_PROMISC |
bgmac_umac_cmd_maskset(bgmac, ~0, CMD_PROMISC, true);
bgmac_umac_cmd_maskset(bgmac, ~CMD_PROMISC, 0, true);
reg |= CMD_PROMISC;
reg &= ~CMD_PROMISC;