include/wipal/wifi/ctl.hh

/*
 * WiPal - A library and a set of tools to manipulate wireless traces.
 * Copyright (C) 2007, 2008, 2009  Universite Pierre et Marie Curie - Paris 6
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301  USA
 *
 * Author: Thomas Claveirole <thomas.claveirole@lip6.fr>
 */
#ifndef WIFI_FRAME_CTL_HH_
# define WIFI_FRAME_CTL_HH_

# include <string>

# include <wipal/wifi/addr.hh>

namespace wpl
{

  namespace wifi
  {

    namespace ctl
    {

      namespace subtype
      {

        enum frame_subtype
          {
            ps_poll             = 10, 
            rts                 = 11, 
            cts                 = 12, 
            ack                 = 13, 
            cf_end              = 14, 
            cf_end_cf_ack       = 15  
          };

        extern const std::string        names[16];

      } // End of namespace wpl::wifi::ctl::subtype.

      namespace rts
      {

        struct header
        {

          enum addr_index
            {
              ra        = 0,    
              ta        = 1     
            };

          uint16_t      frame_ctl;      
          uint16_t      duration;       
          addr          addrs[2];       
        } __attribute__((__packed__));
      } // End of namespace wpl::wifi::ctl::rts.

      namespace cts
      {
        struct header
        {
          uint16_t      frame_ctl;      
          uint16_t      duration;       
          addr          ra;             
        } __attribute__((__packed__));
      } // End of namespace wpl::wifi::ctl::cts.

      namespace ack = cts;

      namespace ps_poll
      {
        struct header
        {

          enum addr_index
            {
              bssid     = 0,    
              ta        = 1     
            };

          uint16_t      frame_ctl;      
          uint16_t      aid;            
          addr          addrs[2];       
        } __attribute__((__packed__));
      } // End of namespace wpl::wifi::ctl::ps_poll.

      namespace cf_end
      {
        struct header
        {

          enum addr_index
            {
              ra        = 0,    
              bssid     = 1     
            };

          uint16_t      frame_ctl;      
          uint16_t      duration;       
          addr          addrs[2];       
        } __attribute__((__packed__));
      } // End of namespace wpl::wifi::ctl::cf_end.

      namespace cf_end_cf_ack = cf_end;

    } // End of namespace wpl::wifi::ctl.

  } // End of namespace wpl::wifi.

} // End of namespace wpl.

#endif // ! WIFI_FRAME_CTL_HH_

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