add a comment explaining the #if

1 files changed, 3 insertions, 2 deletions

diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
index 3e6c476..a512bc5 100644
--- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
+++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
@@ -26,83 +26,84 @@ int card_into_monitormode (pcap_t **orighandle, const char *device, int cardtype
     wl_logerr("Cannot set interface to promisc mode");
     return 0;
   } 
   wl_loginfo("Interface set to promisc mode");
   
   /* Check the cardtype and executes the commands to go into monitor mode */
   if (cardtype == CARD_TYPE_CISCO)
   {
       /* bring the sniffer into rfmon  mode */
       snprintf(CiscoRFMON, sizeof(CiscoRFMON) - 1, DEFAULT_PATH, device);
       if((CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w")) == NULL)
       {
           wl_logerr("Cannot open config file: %s", strerror(errno));
           return 0;
       }
       fputs ("Mode: r",CISCO_CONFIG_FILE);
       fputs ("Mode: y",CISCO_CONFIG_FILE);
       fputs ("XmitPower: 1",CISCO_CONFIG_FILE);
       fclose(CISCO_CONFIG_FILE);
   }
   else if (cardtype == CARD_TYPE_NG)
   {
       char wlanngcmd[80];
       snprintf(wlanngcmd, sizeof(wlanngcmd) - 1, "$(which wlanctl-ng) %s lnxreq_wlansniff channel=%d enable=true", device, 1);
       if (system(wlanngcmd) != 0)
       {
           wl_logerr("Could not set %s in raw mode, check cardtype", device);
           return 0;
       }
   }
   else if (cardtype == CARD_TYPE_HOSTAP)
   {
-#if WIRELESS_EXT < 15
+#if WIRELESS_EXT > 14
+          // IW_MODE_MONITOR was implemented in Wireless Extensions Version 15
           int skfd;
           skfd = socket(AF_INET, SOCK_STREAM, 0);
           struct iwreq wrq;
           wrq.u.mode = IW_MODE_MONITOR;
 
           if(iw_set_ext(skfd,(char *) device,SIOCSIWMODE,&wrq)<0)
           {
             wl_logerr("Could not set hostap card %s to raw mode, check cardtype", device);
             return 0;
       }
       else
       {
             wl_loginfo("Successfully set hostap card %s into raw mode",device);
             return 1;
       }
     return 1;
 #else
-#warning Hi _MAX_, please use a system call for hostap with wireless extensions < 14
+#warning Hi _MAX_, please use a system call for hostap with wireless extensions < 15
   // TODO: Implement switching HOSTAP into monitor mode with system call
 #endif
   }
   else if (cardtype == CARD_TYPE_ORINOCCO )
   {
          if (!card_set_channel (device, 1, CARD_TYPE_ORINOCCO))
          {
             wl_logerr("Could not set %s in raw mode, check cardtype", device);
             return 0;
       }
       else
       {
             wl_loginfo("Successfully set %s into raw mode",device);
       }
   }
 
   /* Setting the promiscous and up flag to the interface */
   if (!card_check_rfmon_datalink(device))
   {
     wl_logerr("Cannot set interface to rfmon mode");
     return 0;
   }
   else 
   {
     wl_loginfo("Interface set to rfmon mode");
   }
   return 1;
 }
 
 /* Check card is in the rfmon mode */
 int card_check_rfmon_datalink (const char *device)
 {