code: def get_ht_capability(cap):
      
      answers = list()
      if cap & 1:
          answers.append('RX LDPC')
      if cap & 2:
          answers.append('HT20/HT40')
      if not cap & 2:
          answers.append('HT20')
      if (cap >> 2) & 0x3 == 0:
          answers.append('Static SM Power Save')
      if (cap >> 2) & 0x3 == 1:
          answers.append('Dynamic SM Power Save')
      if (cap >> 2) & 0x3 == 3:
          answers.append('SM Power Save disabled')
      if cap & 16:
          answers.append('RX Greenfield')
      if cap & 32:
          answers.append('RX HT20 SGI')
      if cap & 64:
          answers.append('RX HT40 SGI')
      if cap & 128:
          answers.append('TX STBC')
      if (cap >> 8) & 0x3 == 0:
          answers.append('No RX STBC')
      if (cap >> 8) & 0x3 == 1:
          answers.append('RX STBC 1-stream')
      if (cap >> 8) & 0x3 == 2:
          answers.append('RX STBC 2-streams')
      if (cap >> 8) & 0x3 == 3:
          answers.append('RX STBC 3-streams')
      if cap & 1024:
          answers.append('HT Delayed Block Ack')
      if not cap & 2048:
          answers.append('Max AMSDU length: 3839 bytes')
      if cap & 2048:
          answers.append('Max AMSDU length: 7935 bytes')
      if cap & 4096:
          answers.append('DSSS/CCK HT40')
      if not cap & 4096:
          answers.append('No DSSS/CCK HT40')
      if cap & 16384:
          answers.append('40 MHz Intolerant')
      if cap & 32768:
          answers.append('L-SIG TXOP protection')
      return answers
docs: http://git.kernel.org/cgit/linux/kernel/git/jberg/iw.git/tree/util.c?id=v3.17#n541.
  
      Positional arguments:
      cap -- c_uint16
  
      Returns:
      List.