text: from pyroute2.netlink import nla
  from pyroute2.netlink import NLA_F_NESTED
  from pyroute2.netlink.rtnl.tcmsg.common import tc_actions
  
  
  class options(nla):
      nla_flags = NLA_F_NESTED
      nla_map = (('TCA_GACT_UNSPEC', 'none'),
                 ('TCA_GACT_TM', 'none'),
                 ('TCA_GACT_PARMS', 'tca_gact_parms'),
                 ('TCA_GACT_PROB', 'none'))
  
      class tca_gact_parms(nla):
          fields = (('index', 'I'),
                    ('capab', 'I'),
                    ('action', 'i'),
                    ('refcnt', 'i'),
                    ('bindcnt', 'i'))
  
  
  def get_parameters(kwarg):
      ret = {'attrs': []}
      a = tc_actions[kwarg.get('action', 'drop')]
      ret['attrs'].append(['TCA_GACT_PARMS', {'action': a}])
      return ret
  