misc: add Fedora/RHEL akmod support.

Similar to mkubecek#214, add
akmod configuration/support to vmware-host-modules.

This will ensure Fedora users are able to get a fresh build of
vmware-host-modules each time the kernel updates.

Spec configuration and installation based on
https://github.com/Fred78290/nct6687d.

Installation for RPM:

```
make akmod
```

Test/Dev flow:

```
make clean
make akmod/clean && make akmod && sudo akmods
sudo systemctl start vmware.service
```

Applied fix for newer kernel:

mkubecek#239

.gitignore

@@ -4,6 +4,7 @@
 .*.cmd
 *.mod.c
 *.tar
+.tmp
 .tmp_versions
 .cache.mk
 Module.symvers

Makefile

@@ -4,6 +4,9 @@ TARBALLS = $(MODULES:%=%.tar)
 MODFILES = $(foreach mod,$(MODULES),$(mod)-only/$(mod).ko)
 VM_UNAME = $(shell uname -r)
 MODDIR = /lib/modules/$(VM_UNAME)/misc
+CURPWD = $(shell pwd)
+COMMITCOUNT = $(shell git rev-list --all --count)
+COMMITHASH = $(shell git rev-parse --short HEAD)
 
 MODINFO = /sbin/modinfo
 DEPMOD = /sbin/depmod
@@ -45,5 +48,41 @@ install: retiredcheck $(MODFILES)
 clean: $(SUBDIRS)
 	rm -f *.o
 
+akmod/build:
+	sudo dnf groupinstall -y "Development Tools"
+	sudo dnf install -y rpmdevtools kmodtool
+	mkdir -p $(CURPWD)/.tmp/vmware-host-modules-1.0.${COMMITCOUNT}/vmware-host-modules
+	cp -r LICENSE Makefile vmmon-only vmnet-only $(CURPWD)/.tmp/vmware-host-modules-1.0.${COMMITCOUNT}/vmware-host-modules
+	cd .tmp && tar -czvf vmware-host-modules-1.0.${COMMITCOUNT}.tar.gz vmware-host-modules-1.0.${COMMITCOUNT} && cd -
+	mkdir -p $(CURPWD)/.tmp/rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
+	cp $(CURPWD)/.tmp/vmware-host-modules-1.0.${COMMITCOUNT}.tar.gz $(CURPWD)/.tmp/rpmbuild/SOURCES/
+	echo 'vmware-host-modules' | tee $(CURPWD)/.tmp/rpmbuild/SOURCES/vmware-host-modules.conf
+	cp fedora/*.spec $(CURPWD)/.tmp/rpmbuild/SPECS/
+	sed -i "s/MAKEFILE_PKGVER/$(COMMITCOUNT)/g" $(CURPWD)/.tmp/rpmbuild/SPECS/*
+	sed -i "s/MAKEFILE_COMMITHASH/$(COMMITHASH)/g" $(CURPWD)/.tmp/rpmbuild/SPECS/*
+	rpmbuild -ba --define "_topdir $(CURPWD)/.tmp/rpmbuild" $(CURPWD)/.tmp/rpmbuild/SPECS/vmware-host-modules.spec
+	rpmbuild -ba --define "_topdir $(CURPWD)/.tmp/rpmbuild" $(CURPWD)/.tmp/rpmbuild/SPECS/vmware-host-modules-kmod.spec
+
+akmod/install: akmod/build
+	sudo dnf install $(CURPWD)/.tmp/rpmbuild/RPMS/*/*.rpm
+
+akmod/akmod-install: retiredcheck $(MODFILES)
+	@for f in $(MODFILES); do \
+	    mver=$$($(MODINFO) -F vermagic $$f);\
+	    mver=$${mver%% *};\
+	    test "$${mver}" = "$(VM_UNAME)" \
+	        || ( echo "Version mismatch: module $$f $${mver}, kernel $(VM_UNAME)" ; exit 1 );\
+	done
+	mkdir -p $(KMOD_INSTALL_DIR)
+	install -D -m 755 $(MODFILES) $(KMOD_INSTALL_DIR)
+	strip --strip-debug $(MODULES:%=$(KMOD_INSTALL_DIR)/%.ko)
+	if test -z "$(KMOD_INSTALL_DIR)"; then $(DEPMOD) -a $(VM_UNAME); fi
+
+akmod/clean:
+	sudo dnf remove vmware-host-modules
+	rm -rf .tmp
+
+akmod: akmod/install
+
 tarballs: $(TARBALLS)
 

fedora/vmware-host-modules-kmod.spec

@@ -0,0 +1,57 @@
+%if 0%{?fedora}
+%global buildforkernels akmod
+%global debug_package %{nil}
+%endif
+
+%global prjname vmware-host-modules
+%global pkgver MAKEFILE_PKGVER
+%global commithash MAKEFILE_COMMITHASH
+%define buildforkernels akmod
+
+Name:           %{prjname}-kmod
+Version:        1.0.%{pkgver}
+Release:        git%{commithash}
+Summary:        Kernel module (kmod) for %{prjname}
+License:        GPL-2.0
+URL:            https://github.com/mkubecek/vmware-host-modules
+Source0:        vmware-host-modules-%{version}.tar.gz
+BuildRoot:      %{_tmppath}/%{name}-%{version}-root-%(%{__id_u} -n)
+
+
+BuildRequires:  gcc
+BuildRequires:  make
+BuildRequires:  elfutils-libelf-devel
+BuildRequires:  kmodtool
+Conflicts:      vmware-host-modules-kmod-common
+
+%{expand:%(kmodtool --target %{_target_cpu} --kmodname %{prjname} %{?buildforkernels:--%{buildforkernels}} %{?kernels:--for-kernels "%{?kernels}"} 2>/dev/null) }
+
+%description
+%{prjname} kernel module
+
+%prep
+kmodtool --target %{_target_cpu} --kmodname %{prjname} %{?buildforkernels:--%{buildforkernels}} %{?kernels:--for-kernels "%{?kernels}"} 2>/dev/null
+
+%autosetup -n vmware-host-modules-%{version}
+
+for kernel_version in %{?kernel_versions} ; do
+    cp -a vmware-host-modules _kmod_build_${kernel_version%%___*}
+done
+
+%build
+for kernel_version in %{?kernel_versions}; do
+    make %{?_smp_mflags} -C "${PWD}/_kmod_build_${kernel_version%%___*}" M=${PWD}/_kmod_build_${kernel_version%%___*} \
+    VM_UNAME=${kernel_version%%___*}
+done
+
+%install
+for kernel_version in %{?kernel_versions}; do
+  make %{?_smp_mflags} -C "${PWD}/_kmod_build_${kernel_version%%___*}" M=${PWD}/_kmod_build_${kernel_version%%___*} \
+    KMOD_INSTALL_DIR=%{buildroot}%{kmodinstdir_prefix}/${kernel_version%%___*}/%{kmodinstdir_postfix} \
+    VM_UNAME=${kernel_version%%___*} akmod/akmod-install
+done
+%{?akmod_install}
+
+%changelog
+* Sat Apr 20 2024 j-pai <[email protected]> - %{version}
+- AKMOD Support

fedora/vmware-host-modules.spec

@@ -0,0 +1,36 @@
+%global prjname vmware-host-modules
+%global pkgver MAKEFILE_PKGVER
+%global commithash MAKEFILE_COMMITHASH
+
+Name:           vmware-host-modules
+Version:        1.0.%{pkgver}
+Release:        git%{commithash}
+Summary:        Kernel module (kmod) for %{prjname}
+License:        GPL-2.0
+URL:            https://github.com/mkubecek/vmware-host-modules
+Source0:        vmware-host-modules.conf
+
+# For kmod package
+Provides:       %{name}-kmod-common = %{version}-%{release}
+Requires:       %{name}-kmod >= %{version}
+
+BuildArch:      noarch
+
+%description
+%{prjname} kernel module
+
+%prep
+
+%build
+# Nothing to build
+
+%install
+
+install -D -m 0644 %{SOURCE0} %{buildroot}%{_modulesloaddir}/vmware-host-modules.conf
+
+%files
+%{_modulesloaddir}/vmware-host-modules.conf
+
+%changelog
+* Sat Apr 20 2024 j-pai <[email protected]> - %{version}
+- AKMOD Support

vmnet-only/vmnetInt.h

@@ -41,9 +41,14 @@
     compat_skb_set_network_header(skb, sizeof (struct ethhdr)),  \
     dev_queue_xmit(skb)                                   \
   )
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 9, 0)
+#define dev_lock_list()    rcu_read_lock()
+#define dev_unlock_list()  rcu_read_unlock()
+#else
 #define dev_lock_list()    read_lock(&dev_base_lock)
 #define dev_unlock_list()  read_unlock(&dev_base_lock)
-
+#endif
 
 extern struct proto vmnet_proto;
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) || defined(sk_net_refcnt)