git.ozlabs.org Git - petitboot/blob - utils/udhcpc

   1 #!/bin/sh
   2 #
   3 # Petitboot udhcpc user script.  Should be run by udhcpc when
   4 # there is a change in the dhcp configuration.  For more info
   5 # see the udhcpc man page and the Linux kernel source file
   6 # Documentation/filesystems/nfsroot.txt.
   7 #
   8
   9 PBOOT_USER_EVENT_SOCKET="/tmp/petitboot.ev"
  10 log="pb-udhcpc.log"
  11
  12 pb_add () {
  13         k_server_ip=${rootpath%%:*}
  14         k_root_dir=${rootpath#*:}
  15
  16         [ ${k_server_ip} != ${rootpath} ] || k_server_ip=${serverid}
  17
  18         echo -ne "add@/net/${interface}\0name=netboot\0image=tftp://${siaddr}${boot_file}\0args=root=/dev/nfs ip=any nfsroot=${k_server_ip}:${k_root_dir}\0" | pb-event
  19 }
  20
  21 pb_remove () {
  22         echo -ne "remove@/net/${interface}\0name=netboot\0" | pb-event
  23 }
  24
  25 case "$1" in
  26 bound | renew)
  27         pb_add
  28         ;;
  29 deconfig)
  30         pb_remove
  31         ;;
  32 *)
  33         ;;
  34 esac
  35
  36 echo "--- $1 ---" >> ${log}
  37 set >> ${log}
  38 echo "---------------" >> ${log}