modules.d/40network/module-setup.sh

   1 #!/bin/bash
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4
   5 # called by dracut
   6 check() {
   7     local _program
   8
   9     require_binaries ip arping dhclient || return 1
  10
  11     return 255
  12 }
  13
  14 # called by dracut
  15 depends() {
  16     return 0
  17 }
  18
  19 # called by dracut
  20 installkernel() {
  21     # Include wired net drivers, excluding wireless
  22
  23     net_module_filter() {
  24         local _net_drivers='eth_type_trans|register_virtio_device|usbnet_open'
  25         local _unwanted_drivers='/(wireless|isdn|uwb|net/ethernet|net/phy|net/team)/'
  26         local _ret
  27         # subfunctions inherit following FDs
  28         local _merge=8 _side2=9
  29         function nmf1() {
  30             local _fname _fcont
  31             while read _fname; do
  32                 [[ $_fname =~ $_unwanted_drivers ]] && continue
  33                 case "$_fname" in
  34                     *.ko)    _fcont="$(<        $_fname)" ;;
  35                     *.ko.gz) _fcont="$(gzip -dc $_fname)" ;;
  36                     *.ko.xz) _fcont="$(xz -dc   $_fname)" ;;
  37                 esac
  38                 [[   $_fcont =~ $_net_drivers
  39                 && ! $_fcont =~ iw_handler_get_spy ]] \
  40                 && echo "$_fname"
  41             done
  42             return 0
  43         }
  44         function rotor() {
  45             local _f1 _f2
  46             while read _f1; do
  47                 echo "$_f1"
  48                 if read _f2; then
  49                     echo "$_f2" 1>&${_side2}
  50                 fi
  51             done | nmf1 1>&${_merge}
  52             return 0
  53         }
  54         # Use two parallel streams to filter alternating modules.
  55         set +x
  56         eval "( ( rotor ) ${_side2}>&1 | nmf1 ) ${_merge}>&1"
  57         [[ $debug ]] && set -x
  58         return 0
  59     }
  60
  61     { find_kernel_modules_by_path drivers/net; if [ "$_arch" = "s390" -o "$_arch" = "s390x" ]; then find_kernel_modules_by_path drivers/s390/net; fi; } \
  62         | net_module_filter | instmods
  63
  64     #instmods() will take care of hostonly
  65     instmods \
  66         =drivers/net/phy \
  67         =drivers/net/team \
  68         =drivers/net/ethernet \
  69         ecb arc4 bridge stp llc ipv6 bonding 8021q af_packet virtio_net
  70 }
  71
  72 # called by dracut
  73 install() {
  74     local _arch _i _dir
  75     inst_multiple ip arping dhclient sed
  76     inst_multiple -o ping ping6
  77     inst_multiple -o brctl
  78     inst_multiple -o teamd teamdctl teamnl
  79     inst_simple /etc/libnl/classid
  80     inst_script "$moddir/ifup.sh" "/sbin/ifup"
  81     inst_script "$moddir/netroot.sh" "/sbin/netroot"
  82     inst_script "$moddir/dhclient-script.sh" "/sbin/dhclient-script"
  83     inst_simple "$moddir/net-lib.sh" "/lib/net-lib.sh"
  84     inst_simple "$moddir/dhclient.conf" "/etc/dhclient.conf"
  85     inst_hook pre-udev 50 "$moddir/ifname-genrules.sh"
  86     inst_hook pre-udev 60 "$moddir/net-genrules.sh"
  87     inst_hook cmdline 91 "$moddir/dhcp-root.sh"
  88     inst_hook cmdline 92 "$moddir/parse-ibft.sh"
  89     inst_hook cmdline 95 "$moddir/parse-vlan.sh"
  90     inst_hook cmdline 96 "$moddir/parse-bond.sh"
  91     inst_hook cmdline 96 "$moddir/parse-team.sh"
  92     inst_hook cmdline 97 "$moddir/parse-bridge.sh"
  93     inst_hook cmdline 98 "$moddir/parse-ip-opts.sh"
  94     inst_hook cmdline 99 "$moddir/parse-ifname.sh"
  95     inst_hook cleanup 10 "$moddir/kill-dhclient.sh"
  96
  97     _arch=$(uname -m)
  98
  99     inst_libdir_file {"tls/$_arch/",tls/,"$_arch/",}"libnss_dns.so.*" \
 100         {"tls/$_arch/",tls/,"$_arch/",}"libnss_mdns4_minimal.so.*"
 101
 102     dracut_need_initqueue
 103 }
 104