%global pkg iwlegacy

%global driver_version 4.18.0-348.el8

%global kernel_version 4.18.0-348.el8

%global _use_internal_dependency_generator 0
%global __find_requires /usr/lib/rpm/redhat/find-requires
%global __find_provides /usr/lib/rpm/redhat/find-provides

%global debug_package %{nil}

%global __spec_install_post \
  %{?__debug_package:%{__debug_install_post}} \
  %{__arch_install_post} \
  %{__os_install_post} \
  %{__mod_compress_install_post}

%global __mod_compress_install_post find %{buildroot}/lib/modules -type f -name \*.ko -exec xz \{\} \\;


Name:             kmod-%{pkg}
Version:          4.18.0.348
Release:          2%{?dist}
Summary:          Intel WiFi 3945ABG/BG (iwl3945) and 4965AGN (iwl4965) driver

License:          GPLv2 and (BSD or GPLv2)
URL:              https://www.kernel.org/

Source0:          %{pkg}-%{driver_version}.tar.xz
Patch1:           0001-iwlegacy-Add-a-lock-assertion-in-il4965_send_rxon_as.patch
Patch2:           0002-iwlegacy-3945-no-need-to-check-return-value-of-debug.patch
Patch3:           0003-iwlegacy-4965-no-need-to-check-return-value-of-debug.patch
Patch4:           0004-iwlegacy-ensure-loop-counter-addr-does-not-wrap-and-.patch
Patch5:           0005-iwlegacy-Check-the-return-value-of-pcie_capability_r.patch
Patch9999:        9999-enable-iwlegacy.patch

ExclusiveArch:    x86_64 aarch64 ppc64le

BuildRequires:    elfutils-libelf-devel
BuildRequires:    gcc
BuildRequires:    kernel-rpm-macros
BuildRequires:    kmod
BuildRequires:    make
BuildRequires:    redhat-rpm-config
BuildRequires:    xz

BuildRequires:    kernel-abi-stablelists = %{kernel_version}
BuildRequires:    kernel-devel = %{kernel_version}
BuildRequires:    kernel-devel-uname-r = %{kernel_version}.%{_arch}

Requires:         kernel >= %{kernel_version}
Requires:         kernel-uname-r >= %{kernel_version}.%{_arch}
Requires:         kernel-modules >= %{kernel_version}
Requires:         kernel-modules-uname-r >= %{kernel_version}.%{_arch}

Provides:         installonlypkg(kernel-module)
Provides:         kernel-modules >= %{kernel_version}.%{_arch}

Requires(post):   %{_sbindir}/depmod
Requires(postun): %{_sbindir}/depmod

Requires(post):   %{_sbindir}/weak-modules
Requires(postun): %{_sbindir}/weak-modules

Provides:         kmod-iwl3945 = %{?epoch:%{epoch}:}%{version}-%{release}

Supplements:      iwl3945-firmware
Recommends:       iwl3945-firmware

Provides:         kmod-iwl4965 = %{?epoch:%{epoch}:}%{version}-%{release}

Supplements:      iwl4965-firmware
Recommends:       iwl4965-firmware

%description
This package provides drivers for Intel's WiFi adapter 3945ABG/BG (iwl3945) and
4965AGN (iwl4965) including the required Intel WiFi legacy driver (iwlegacy).


%prep
%autosetup -p1 -n %{pkg}-%{driver_version}


%build
pushd src
%{__make} -C /usr/src/kernels/%{kernel_version}.%{_arch} %{?_smp_mflags} M=$PWD modules
popd


%install
%{__install} -D -t %{buildroot}/lib/modules/%{kernel_version}.%{_arch}/extra/drivers/net/wireless/intel/%{pkg} src/%{pkg}.ko src/iwl3945.ko src/iwl4965.ko

# Make .ko objects temporarily executable for automatic stripping
find %{buildroot}/lib/modules -type f -name \*.ko -exec chmod u+x \{\} \+


%clean
%{__rm} -rf %{buildroot}


%post
mkdir -p %{_localstatedir}/lib/rpm-state/sig-kmods
printf '%s\n' "/lib/modules/%{kernel_version}.%{_arch}/extra/drivers/net/wireless/intel/%{pkg}/%{pkg}.ko.xz" >> %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add
printf '%s\n' "/lib/modules/%{kernel_version}.%{_arch}/extra/drivers/net/wireless/intel/%{pkg}/iwl3945.ko.xz" >> %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add
printf '%s\n' "/lib/modules/%{kernel_version}.%{_arch}/extra/drivers/net/wireless/intel/%{pkg}/iwl4965.ko.xz" >> %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add


%preun
mkdir -p %{_localstatedir}/lib/rpm-state/sig-kmods
rpm -ql kmod-%{pkg}-%{?epoch:%{epoch}:}%{version}-%{release}.%{_arch} | grep '/lib/modules/%{kernel_version}.%{_arch}/.*\.ko\.xz$' >> %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-remove


%postun
if [ -f %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-remove ]
then
    modules=( $(cat %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-remove) )
    rm -f %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-remove
    rmdir --ignore-fail-on-non-empty %{_localstatedir}/lib/rpm-state/sig-kmods
    printf '%s\n' "${modules[@]}" | %{_sbindir}/weak-modules --remove-modules
fi


%pretrans -p <lua>
posix.unlink("%{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add")
posix.unlink("%{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-remove")


%posttrans
if [ -f %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add ]
then
    modules=( $(cat %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add) )
    rm -f %{_localstatedir}/lib/rpm-state/sig-kmods/weak-modules-add
    rmdir --ignore-fail-on-non-empty %{_localstatedir}/lib/rpm-state/sig-kmods
    printf '%s\n' "${modules[@]}" | %{_sbindir}/weak-modules --add-modules
fi


%files
%defattr(644,root,root,755)
/lib/modules/%{kernel_version}.%{_arch}
%license LICENSES


%changelog
* Sat Jan 22 2022 Peter Georg <peter.georg@physik.uni-regensburg.de> - 4.18.0.348-2
- Enable aarch64 and ppc64le

* Wed Jan 12 2022 Kmods SIG <sig-kmods@centosproject.org> - 4.18.0.348-1
- Switch to EL kernel source and versioning
- kABI tracking kmod package (kernel >= 4.18.0-348.el8)