modules.d/90kernel-network-modules/module-setup.sh

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