r8126-10.017.00nbdy_overlay

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# Copyright 2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit linux-mod-r1

DESCRIPTION="r8126 vendor driver for Realtek RTL8126 5GbE PCI-E NICs"
HOMEPAGE="https://www.realtek.com/Download/List?cate_id=584"
SRC_URI="https://github.com/awesometic/realtek-r8126-dkms/archive/refs/tags/${PV}-1.tar.gz -> ${P}.tar.gz"

S="${WORKDIR}/realtek-r8126-dkms-${PV}-1"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"

IUSE="dash down-speed-100 fiber hw-acceleration hw-optim-tx +eee +multi-tx-q ptp +rss s5-keep-mac use-firmware +wol-s5 +wol"

CONFIG_CHECK="~!R8169"
WARNING_R8169="CONFIG_R8169 is enabled. ${PN} will not be loaded unless kernel driver Realtek 8169 PCI Gigabit Ethernet (CONFIG_R8169) is DISABLED."

src_prepare() {
	default

	# Replace EXTRA_CFLAGS with CFLAGS_MODULE (kernels >= 6.15)
	sed -E -i'' \
	  -e 's/(^|[^A-Za-z0-9_])EXTRA_CFLAGS([^A-Za-z0-9_]|$)/\1CFLAGS_MODULE\2/g' \
	  src/Makefile || die
}

src_compile() {
	local modlist=( ${PN}=kernel/drivers/net/ethernet/realtek:src )
	local modargs=(
		# Build parameters
		KERNELDIR="${KV_OUT_DIR}"
		# Code build options
		ENABLE_DASH_SUPPORT=$(usex dash y n)
		ENABLE_FIBER_SUPPORT=$(usex fiber y n)
		ENABLE_RSS_SUPPORT=$(usex rss y n)
		ENABLE_MULTIPLE_TX_QUEUE=$(usex multi-tx-q y n)
		ENABLE_USE_FIRMWARE_FILE=$(usex use-firmware y n)
		CONFIG_DOWN_SPEED_100=$(usex down-speed-100 y n)
		ENABLE_PTP_SUPPORT=$(usex ptp y n)
		ENABLE_PAGE_REUSE=y
		ENABLE_RX_PACKET_FRAGMENT=y
		# Driver defaults
		CONFIG_SOC_LAN=$(usex hw-acceleration y n)
		ENABLE_TX_NO_CLOSE=$(usex hw-optim-tx y n)
		ENABLE_EEE=$(usex eee y n)
		DISABLE_WOL_SUPPORT=$(usex wol n y)
		ENABLE_S5WOL=$(usex wol-s5 y n)
		ENABLE_S5_KEEP_CURR_MAC=$(usex s5-keep-mac y n)
	)

	linux-mod-r1_src_compile
}

pkg_postinst() {
	linux-mod-r1_pkg_postinst

	if [[ -z "${ROOT}" ]] || [[ "${ROOT}" == "/" ]]; then
		elog ""
		elog "The r8126 module has been installed. To use it:"
		elog "  1. Blacklist r8169:  echo 'blacklist r8169' > /etc/modprobe.d/blacklist-r8169.conf"
		elog "  2. Set WOL S5 option: echo 'options r8126 s5wol=1' > /etc/modprobe.d/r8126.conf"
		elog "  3. Rebuild initramfs: dracut --force"
		elog "  4. Reboot"
		elog ""
	fi
}