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

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