On Wed, Jun 03, 2026 at 12:59:32PM +0530, Moteen Shah via lists.yoctoproject.org wrote: > Add a standalone initramfs-module-netsetup recipe that installs 83-netsetup, > an initramfs-framework module that configures the network interface via DHCP > before the NFS root mount. Needed when the Ethernet driver is a loadable > module and the deferred probe chain requires time to settle after udev loads > the modules. Add initramfs-module-netsetup to packagegroup-ti-core-initramfs > to pull it into the initramfs image.
Thanks for re-doing the patch - it's much better now. Please see a couple of minor comments below. > Signed-off-by: Moteen Shah <[email protected]> > --- > .../initramfs-module-netsetup/83-netsetup | 54 +++++++++++++++++++ > .../initramfs-module-netsetup_1.0.bb | 24 +++++++++ > .../packagegroup-ti-core-initramfs.bb | 1 + > 3 files changed, 79 insertions(+) > create mode 100644 > meta-ti-bsp/recipes-ti/initramfs/initramfs-module-netsetup/83-netsetup > create mode 100644 > meta-ti-bsp/recipes-ti/initramfs/initramfs-module-netsetup_1.0.bb > > diff --git > a/meta-ti-bsp/recipes-ti/initramfs/initramfs-module-netsetup/83-netsetup > b/meta-ti-bsp/recipes-ti/initramfs/initramfs-module-netsetup/83-netsetup > new file mode 100644 > index 00000000..b71bc3b3 > --- /dev/null > +++ b/meta-ti-bsp/recipes-ti/initramfs/initramfs-module-netsetup/83-netsetup > @@ -0,0 +1,54 @@ > +#!/bin/sh > +# Configure network via DHCP before NFS root mount. Polls for an Ethernet > +# interface with sleep 1 per iteration to allow the Ethernet driver deferred > +# probe chain to settle after udev loads the modules. > + > +netsetup_enabled() { > + [ "${bootparam_root}" = "/dev/nfs" ] || return 1 > + return 0 > +} > + > +netsetup_run() { > + local iface timeout devtype > + > + # Extract interface from ip= kernel param (format: > client:server:gw:mask:host:device:autoconf) > + iface="" > + case "${bootparam_ip}" in > + dhcp|on|any|"") > + ;; > + *) > + iface=$(echo "${bootparam_ip}" | cut -d: -f6) > + ;; > + esac > + > + udevadm trigger --action=add --subsystem-match=net > + udevadm settle --timeout=10 > + > + # Poll up to 60 seconds for an Ethernet interface (ARPHRD_ETHER = type > 1). > + msg "netsetup: waiting for ethernet interface..." > + timeout=60 > + while [ "${timeout}" -gt 0 ]; do > + if [ -n "${iface}" ] && [ -d "/sys/class/net/${iface}" ]; then > + break > + fi > + for dev in /sys/class/net/*; do > + [ -f "${dev}/type" ] || continue > + devtype=$(cat "${dev}/type") > + [ "${devtype}" = "1" ] || continue > + iface=$(basename "${dev}") > + break > + done > + [ -n "${iface}" ] && [ -d "/sys/class/net/${iface}" ] && break > + sleep 1 > + timeout=$((timeout - 1)) > + done > + > + if [ -z "${iface}" ] || [ ! -d "/sys/class/net/${iface}" ]; then > + msg "netsetup: no ethernet interface found after 60s, skipping DHCP" > + return > + fi > + > + msg "netsetup: configuring ${iface} via DHCP" > + > + dhcpcd --waitip "${iface}" > +} > diff --git > a/meta-ti-bsp/recipes-ti/initramfs/initramfs-module-netsetup_1.0.bb > b/meta-ti-bsp/recipes-ti/initramfs/initramfs-module-netsetup_1.0.bb > new file mode 100644 > index 00000000..a4565a25 > --- /dev/null > +++ b/meta-ti-bsp/recipes-ti/initramfs/initramfs-module-netsetup_1.0.bb > @@ -0,0 +1,24 @@ > +SUMMARY = "initramfs support for DHCP network configuration before NFS root > mount" > + > +LICENSE = "MIT" > +LIC_FILES_CHKSUM = > "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420" > + > +FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:" This is not needed for a standalone recipe. I know it is also in the luks-ftpm recipe I mentioned as an example - it just snuck in unnoticed and not very critical. > +SRC_URI = "file://83-netsetup" > + > +S = "${UNPACKDIR}" > + > +do_install() { > + install -d ${D}/init.d > + install -m 0755 ${UNPACKDIR}/83-netsetup ${D}/init.d/83-netsetup > +} > + > +FILES:${PN} = "/init.d/83-netsetup" > + > +RDEPENDS:${PN} = "\ > + initramfs-framework-base \ > + dhcpcd \ > +" > + > +PACKAGE_ARCH = "${MACHINE_ARCH}" Unlike luks-ftpm, this component is not machine-specific AFAICS, so it should not be setting it's package arch to be machine-specific. > diff --git > a/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb > b/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb > index a9eff847..2e68366d 100644 > --- a/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb > +++ b/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb > @@ -19,6 +19,7 @@ RDEPENDS:${PN} += "\ > base-files \ > base-passwd \ > initramfs-framework-base \ > + initramfs-module-netsetup \ > initramfs-module-udev \ > initramfs-module-nfsrootfs \ > nfs-utils-mount \ > -- > 2.34.1
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