BWN_PHY_HIGAINDB
BWN_PHY_SETMASK(mac, BWN_PHY_HIGAINDB, 0xff00, 0x46);
BWN_PHY_SETMASK(mac, BWN_PHY_HIGAINDB, 0x00ff, 0x2a00);
BWN_PHY_SETMASK(mac, BWN_PHY_HIGAINDB, 0x00ff, 0x2400);