From dffbbe56d3f9f17da0244f75b352b87bc0e244df Mon Sep 17 00:00:00 2001
From: davidovski <david@davidovski.xyz>
Date: Mon, 14 Mar 2022 00:14:26 +0000
Subject: added udev

---
 udev/init-net-rules.sh | 129 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 udev/init-net-rules.sh

(limited to 'udev/init-net-rules.sh')

diff --git a/udev/init-net-rules.sh b/udev/init-net-rules.sh
new file mode 100644
index 0000000..a90652e
--- /dev/null
+++ b/udev/init-net-rules.sh
@@ -0,0 +1,129 @@
+#! /bin/bash
+
+# This script generates rules for persistent network device naming
+# Data from udev-182 75-persistent-net-generator.rules
+# Updated fof udev-197 (DEVICES=en*)
+
+RULES=/etc/udev/rules.d/70-persistent-net.rules 
+DEVICES=$(eval echo /sys/class/net/{en*,eth*,ath*,wlan*[0-9],msh*,ra*,sta*,ctc*,lcs*,hsi*})
+
+function usage
+{
+  echo $msg
+  echo "init-net-rules.sh is an LFS-specific script to initialize"
+  echo "$RULES"
+  exit 1
+}
+
+declare -A VENDORS_IGNORED
+VENDORS_IGNORED['52:54:00:']="kvm"
+VENDORS_IGNORED['00:0c:29:']="vmware"
+VENDORS_IGNORED['00:50:56:']="vmware"
+VENDORS_IGNORED['00:15:5d:']="hyper-v"
+VENDORS_IGNORED['00:00:00:']="invalid"
+
+declare -A VENDORS
+VENDORS['02:07:01:']="Interlan, DEC, etc"
+VENDORS['02:60:60:']="3com"
+VENDORS['02:60:8c:']="3Com IBM PC; Imagen. etc"
+VENDORS['02:a0:c9:']="intel"
+VENDORS['02:aa:3c:']="Olivetti"
+VENDORS['02:cf:1f:']="Masscomp, Silicon Graphics, etc"
+VENDORS['02:e0:3b:']="Gigabit"
+VENDORS['02:e6:d3:']="BTI"
+VENDORS['52:54:00:']="Realtek"
+VENDORS['52:54:4c:']="Novell"
+VENDORS['52:54:ab:']="Realtek"
+VENDORS['e2:0c:0f:']="Kingston"
+VENDORS['00:16:3e:']="Xensource"
+
+function ignore_if
+{
+   if [[ "${VENDORS_IGNORED[$VENDOR]}" != "" ]]; then return 0; fi
+   if [[ "${VENDORS[$VENDOR]}"         != "" ]]; then return 1; fi
+
+   byte2=$(echo $VENDOR | cut -c2)
+   if echo $byte2 | grep -q "[2367abef]"; then return 0; fi
+
+   return 1  # Default is to not ignore
+}
+
+function comment
+{
+  # Not implemented
+  # SUBSYSTEMS=="pci"
+  # export COMMENT="PCI device $attr{vendor}:$attr{device} ($driver)"
+
+  # SUBSYSTEMS=="usb", ATTRS{idVendor}=="?*"
+  # export COMMENT="USB device 0x$attr{idVendor}:0x$attr{idProduct} ($driver)"
+
+  # SUBSYSTEMS=="pcmcia",
+  # export COMMENT="PCMCIA device $attr{card_id}:$attr{manf_id} ($driver)"
+
+  # SUBSYSTEMS=="ieee1394",
+  # export COMMENT="Firewire device $attr{host_id})"
+
+  # ibmveth likes to use "locally administered" MAC addresses
+  # DRIVERS=="ibmveth",
+  # export COMMENT="ibmveth ($id)"
+
+  # S/390 uses id matches only, do not use MAC address match
+  # SUBSYSTEMS=="ccwgroup", 
+  # export COMMENT="S/390 $driver device at $id", 
+  # export MATCHID="$id" 
+  # export MATCHDRV="$driver"
+  # export MATCHADDR=""
+
+  # Default
+  driver=$(basename $(readlink -f $NIC/device/driver/module))
+  export COMMENT="net device ${driver}"
+}
+
+if ! mountpoint -q /sys; then
+  msg="/sys must be mounted"
+  usage
+fi
+
+if ! mountpoint -q /proc; then
+  msg="/proc must be mounted"
+  usage
+fi
+
+if [ -e $RULES ]; then
+  msg="The rules file already exists"
+  usage
+fi
+
+# Ignore Xen virtual interfaces
+if [ -e /proc/xen ]; then
+  msg="The rules file should not be created in the Xen environment"
+  usage
+fi 
+
+# Variables used to communicate with write_net_rules:
+#   INTERFACE             simple interface name         
+#   MATCHADDR             MAC address used for the match
+#   MATCHID               bus_id used for the match
+#   MATCHDRV              driver name used for the match
+#   MATCHIFTYPE           interface type match
+#   COMMENT               comment to add to the generated rule
+#   INTERFACE_NAME        requested name supplied by external tool
+#   INTERFACE_NEW         new interface name returned by rule writer
+
+for NIC in $DEVICES; do
+     IF=${NIC##*/}
+     if echo $NIC | grep -q '*' ; then continue; fi
+
+     export INTERFACE=${NIC##*/}            # Simple interface name
+     export MATCHADDR="$(cat $NIC/address)" # Read MAC address
+
+     VENDOR=$(echo $MATCHADDR | cut -c-9)
+     if ignore_if; then continue; fi
+
+     export MATCHDEVID="$(cat $NIC/dev_id)"
+     export MATCHIFTYPE="$(cat $NIC/type)"  # Read interface type
+     comment
+
+     /lib/udev/write_net_rules 
+done
+
-- 
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