Problem with Diald and Ethertap

Dear Diald ppl,

Thanx for last time patches ... I done with the compiling, but now my next
problem is configuration and running it. I'd successfully use diald since
ages in kernel 2.0.x i think about 2-3 years ago, now with new kernel
2.4.19 and I don't know about tap and anything ... I try to search for
documents about it, but none can give me simple answer to my problems and
question, so here please help me out again.

when I use the script diald-start below ;
  #! /bin/sh

  /usr/sbin/diald /dev/ttyS0 \
  mode ppp accounting-log /var/log/diald-acc.log \
  netmask 255.255.255.0 \
  defaultroute \
  connect "/usr/sbin/chat -v -f /etc/ppp/pppscript --" \
  modem speed 115200 crtscts lock \
  retry-count 2 died-retry-count 2 \
  ip-up /etc/ppp/ip-up
  #script end

there's error in /var/log/message ;

diald[197]: start tap0: SIOCADDRT: No such device

or when i just try to call /usr/sbin/diald

there's error in /var/log/message ;

diald[202]: Device tap0 is locked by pid 197
diald[202]: start sl0: SIOCADDRT: No such device

and there's error in /var/log/syslog

modprobe: modprobe: Can't locate module tap1
.
.
modprobe: modprobe: Can't locate module tap15

My config is just 1 file in

  #/etc/diald.conf
  fifo /etc/diald/diald.ctl
  accounting-log /var/log/diald-accounting.log
  mode ppp
  proxyarp
  device /dev/ttyS0
  modem
  speed 56700
  crtscts
  lock
  connect  "/usr/sbin/chat -v -f /etc/ppp/pppscript"
  connect-timeout 45
  dial-fail-limit 5
  defaultroute
  dynamic
  two-way
  strict-forwarding
  linkname MyNetlink

  # Time Restrictions
  restrict 08:00:00 16:00:00 1-5 * *
  or-restrict 08:00:00 14:00:00 6 * *
  up

  # Rules for TCP packets.
  accept tcp 45 tcp.syn

  accept tcp 600 tcp.dest=tcp.www
  accept tcp 600 tcp.dest=tcp.www
  accept tcp 600 tcp.source=tcp.www
  keepup tcp 600 tcp.dest=tcp.https
  keepup tcp 600 tcp.source=tcp.https
  keepup tcp 5 !tcp.live
  ignore tcp !tcp.live
  keepup tcp 30 !tcp.live
  ignore tcp !tcp.live

  accept tcp 600 tcp.dest=tcp.ftp
  accept tcp 600 tcp.source=tcp.ftp

  accept tcp 900 any

--- UDP is mostly the same
#file end

Can anyone tell me what's wrong? Any help or link to document is very
appreciated.

Regards,

Gio.