Added force WOL functionality

closes acidanthera/bugtracker#1690

Changelog.md

@@ -1,5 +1,8 @@
 IntelMausi Changelog
 ====================
+#### v1.0.7
+- Added force WOL support (`mausi-force-wol` device property or `-mausiwol` boot argument)
+
 #### v1.0.6
 - Fixed loading on 10.11 and earlier (regressed in 1.0.5)
 

IntelMausiEthernet/IntelMausiEthernet.cpp

@@ -253,8 +253,17 @@ void IntelMausi::free()
 
 bool IntelMausi::start(IOService *provider)
 {
+    int tmp = 0;
     bool result;
 
+    if (!PE_parse_boot_argn("-mausiwol", &tmp, sizeof(tmp))) {
+        tmp = provider->getProperty("mausi-force-wol") != nullptr;
+    }
+
+    if (tmp != 0) {
+        wolCapable = wolActive = true;
+    }
+
     result = super::start(provider);
 
     if (!result) {

README.md

@@ -9,6 +9,8 @@ as well as kernel debugging support initially provided by [aerror2](https://gith
 [IntelMausiEthernetWithKernelDebugger](https://github.com/aerror2/IntelMausiEthernetWithKernelDebugger)
 repository. Do use the original version when uncertain. No support or troubleshooting provided.
 
+Wake on LAN functionality should work out of the box. On misconfigured hardware one may try to force-enable it by injecting `mausi-force-wol` device property (with any value, recommended), or `-mausiwol` boot argument (for testing purposes).
+
 ---
 
 A few days before Christmas I started my latest project, a new driver for recent Intel onboard LAN controllers. My intention was not to replace hnak's AppleIntelE1000e.kext completely but to deliver best performance and stability on recent hardware. That's why I dropped support for a number of older NICs. Currently the driver supports: