sipgw2:/usr/src# tar tjf linux-2.6.14.tar.bz2 |grep wanpipe
linux-2.6.14/drivers/net/wan/wanpipe_multppp.c
linux-2.6.14/include/linux/if_wanpipe.h
linux-2.6.14/include/linux/if_wanpipe_common.h
linux-2.6.14/include/linux/wanpipe.h
linux-2.6.14/net/wanrouter/af_wanpipe.c
sipgw2:/usr/src#