# Class for handling Wireless Networking Patches, invocation from build.py # Copyright (C) 2020-2022, Dhinak G, Mykola Grymalyuk from resources import constants, device_probe, utilities from resources.build import support from data import smbios_data import logging class build_wireless: def __init__(self, model, versions, config): self.model = model self.constants: constants.Constants = versions self.config = config self.computer = self.constants.computer def build(self): # WiFi patches if not self.constants.custom_model and self.constants.computer.wifi: self.on_model() else: self.prebuilt_assumption() self.wowl_handling() def on_model(self): logging.info(f"- Found Wireless Device {utilities.friendly_hex(self.computer.wifi.vendor_id)}:{utilities.friendly_hex(self.computer.wifi.device_id)}") self.config["#Revision"]["Hardware-Wifi"] = f"{utilities.friendly_hex(self.computer.wifi.vendor_id)}:{utilities.friendly_hex(self.computer.wifi.device_id)}" if isinstance(self.computer.wifi, device_probe.Broadcom): # This works around OCLP spoofing the Wifi card and therefore unable to actually detect the correct device if self.computer.wifi.chipset == device_probe.Broadcom.Chipsets.AirportBrcmNIC and self.constants.validate is False and self.computer.wifi.country_code: support.build_support(self.model, self.constants, self.config).enable_kext("AirportBrcmFixup.kext", self.constants.airportbcrmfixup_version, self.constants.airportbcrmfixup_path) logging.info(f"- Setting Wireless Card's Country Code: {self.computer.wifi.country_code}") if self.computer.wifi.pci_path: arpt_path = self.computer.wifi.pci_path logging.info(f"- Found ARPT device at {arpt_path}") self.config["DeviceProperties"]["Add"][arpt_path] = {"brcmfx-country": self.computer.wifi.country_code} else: self.config["NVRAM"]["Add"]["7C436110-AB2A-4BBB-A880-FE41995C9F82"]["boot-args"] += f" brcmfx-country={self.computer.wifi.country_code}" if self.constants.enable_wake_on_wlan is True: logging.info("- Enabling Wake on WLAN support") self.config["NVRAM"]["Add"]["7C436110-AB2A-4BBB-A880-FE41995C9F82"]["boot-args"] += f" -brcmfxwowl" elif self.computer.wifi.chipset == device_probe.Broadcom.Chipsets.AirPortBrcm4360: self.wifi_fake_id() elif self.computer.wifi.chipset == device_probe.Broadcom.Chipsets.AirPortBrcm4331: support.build_support(self.model, self.constants, self.config).enable_kext("corecaptureElCap.kext", self.constants.corecaptureelcap_version, self.constants.corecaptureelcap_path) support.build_support(self.model, self.constants, self.config).enable_kext("IO80211ElCap.kext", self.constants.io80211elcap_version, self.constants.io80211elcap_path) support.build_support(self.model, self.constants, self.config).get_kext_by_bundle_path("IO80211ElCap.kext/Contents/PlugIns/AirPortBrcm4331.kext")["Enabled"] = True elif self.computer.wifi.chipset == device_probe.Broadcom.Chipsets.AirPortBrcm43224: support.build_support(self.model, self.constants, self.config).enable_kext("corecaptureElCap.kext", self.constants.corecaptureelcap_version, self.constants.corecaptureelcap_path) support.build_support(self.model, self.constants, self.config).enable_kext("IO80211ElCap.kext", self.constants.io80211elcap_version, self.constants.io80211elcap_path) support.build_support(self.model, self.constants, self.config).get_kext_by_bundle_path("IO80211ElCap.kext/Contents/PlugIns/AppleAirPortBrcm43224.kext")["Enabled"] = True elif isinstance(self.computer.wifi, device_probe.Atheros) and self.computer.wifi.chipset == device_probe.Atheros.Chipsets.AirPortAtheros40: support.build_support(self.model, self.constants, self.config).enable_kext("corecaptureElCap.kext", self.constants.corecaptureelcap_version, self.constants.corecaptureelcap_path) support.build_support(self.model, self.constants, self.config).enable_kext("IO80211ElCap.kext", self.constants.io80211elcap_version, self.constants.io80211elcap_path) support.build_support(self.model, self.constants, self.config).get_kext_by_bundle_path("IO80211ElCap.kext/Contents/PlugIns/AirPortAtheros40.kext")["Enabled"] = True def prebuilt_assumption(self): if not self.model in smbios_data.smbios_dictionary: return if not "Wireless Model" in smbios_data.smbios_dictionary[self.model]: return if smbios_data.smbios_dictionary[self.model]["Wireless Model"] == device_probe.Broadcom.Chipsets.AirPortBrcm4360: logging.info("- Enabling BCM943224 and BCM94331 Networking Support") self.wifi_fake_id() elif smbios_data.smbios_dictionary[self.model]["Wireless Model"] == device_probe.Broadcom.Chipsets.AirPortBrcm4331: logging.info("- Enabling BCM94328 Networking Support") support.build_support(self.model, self.constants, self.config).enable_kext("corecaptureElCap.kext", self.constants.corecaptureelcap_version, self.constants.corecaptureelcap_path) support.build_support(self.model, self.constants, self.config).enable_kext("IO80211ElCap.kext", self.constants.io80211elcap_version, self.constants.io80211elcap_path) support.build_support(self.model, self.constants, self.config).get_kext_by_bundle_path("IO80211ElCap.kext/Contents/PlugIns/AirPortBrcm4331.kext")["Enabled"] = True elif smbios_data.smbios_dictionary[self.model]["Wireless Model"] == device_probe.Broadcom.Chipsets.AirPortBrcm43224: logging.info("- Enabling BCM94328 Networking Support") support.build_support(self.model, self.constants, self.config).enable_kext("corecaptureElCap.kext", self.constants.corecaptureelcap_version, self.constants.corecaptureelcap_path) support.build_support(self.model, self.constants, self.config).enable_kext("IO80211ElCap.kext", self.constants.io80211elcap_version, self.constants.io80211elcap_path) support.build_support(self.model, self.constants, self.config).get_kext_by_bundle_path("IO80211ElCap.kext/Contents/PlugIns/AppleAirPortBrcm43224.kext")["Enabled"] = True elif smbios_data.smbios_dictionary[self.model]["Wireless Model"] == device_probe.Atheros.Chipsets.AirPortAtheros40: logging.info("- Enabling Atheros Networking Support") support.build_support(self.model, self.constants, self.config).enable_kext("corecaptureElCap.kext", self.constants.corecaptureelcap_version, self.constants.corecaptureelcap_path) support.build_support(self.model, self.constants, self.config).enable_kext("IO80211ElCap.kext", self.constants.io80211elcap_version, self.constants.io80211elcap_path) support.build_support(self.model, self.constants, self.config).get_kext_by_bundle_path("IO80211ElCap.kext/Contents/PlugIns/AirPortAtheros40.kext")["Enabled"] = True elif smbios_data.smbios_dictionary[self.model]["Wireless Model"] == device_probe.Broadcom.Chipsets.AirportBrcmNIC: support.build_support(self.model, self.constants, self.config).enable_kext("AirportBrcmFixup.kext", self.constants.airportbcrmfixup_version, self.constants.airportbcrmfixup_path) def wowl_handling(self): # To avoid reduced networking performance from wake, AirPortBrcmFixup is used to disable wake on WLAN by default. # However some users may want to enable wake on WLAN, so enable if requested. if self.constants.enable_wake_on_wlan is False: return if support.build_support(self.model, self.constants, self.config).get_kext_by_bundle_path("AirportBrcmFixup.kext")["Enabled"] is False: return logging.info("- Enabling Wake on WLAN support") self.config["NVRAM"]["Add"]["7C436110-AB2A-4BBB-A880-FE41995C9F82"]["boot-args"] += f" -brcmfxwowl" def wifi_fake_id(self): # BCM94331 and BCM943224 are both partially supported within Big Sur's native AirPortBrcmNIC stack # Simply adding the Device IDs and usage of AirPortBrcmFixup will restore full functionality support.build_support(self.model, self.constants, self.config).enable_kext("AirportBrcmFixup.kext", self.constants.airportbcrmfixup_version, self.constants.airportbcrmfixup_path) support.build_support(self.model, self.constants, self.config).get_kext_by_bundle_path("AirportBrcmFixup.kext/Contents/PlugIns/AirPortBrcmNIC_Injector.kext")["Enabled"] = True if not self.constants.custom_model and self.computer.wifi and self.computer.wifi.pci_path: arpt_path = self.computer.wifi.pci_path logging.info(f"- Found ARPT device at {arpt_path}") else: if not self.model in smbios_data.smbios_dictionary: logging.info("No known PCI pathing for this model") return if "nForce Chipset" in smbios_data.smbios_dictionary[self.model]: # Nvidia chipsets all have the same path to ARPT arpt_path = "PciRoot(0x0)/Pci(0x15,0x0)/Pci(0x0,0x0)" else: if self.model in ("iMac7,1", "iMac8,1", "MacPro3,1", "MacBookPro4,1"): arpt_path = "PciRoot(0x0)/Pci(0x1C,0x4)/Pci(0x0,0x0)" elif self.model in ("iMac13,1", "iMac13,2"): arpt_path = "PciRoot(0x0)/Pci(0x1C,0x3)/Pci(0x0,0x0)" elif self.model in ("MacPro4,1", "MacPro5,1"): arpt_path = "PciRoot(0x0)/Pci(0x1C,0x5)/Pci(0x0,0x0)" else: # Assumes we have a laptop with Intel chipset # iMac11,x-12,x also apply arpt_path = "PciRoot(0x0)/Pci(0x1C,0x1)/Pci(0x0,0x0)" logging.info(f"- Using known ARPT Path: {arpt_path}") if not self.constants.custom_model and self.computer.wifi and self.constants.validate is False and self.computer.wifi.country_code: logging.info(f"- Applying fake ID for WiFi, setting Country Code: {self.computer.wifi.country_code}") self.config["DeviceProperties"]["Add"][arpt_path] = {"brcmfx-country": self.computer.wifi.country_code}