258                // L-SIG

   258                // L-SIG

   259                return 4;

   259                return 4;

   260             }

   260             }

   261       }

   261       }

   262     case WIFI_MOD_CLASS_ERP_OFDM:

   262     case WIFI_MOD_CLASS_ERP_OFDM:

   264 

   264 

   265     case WIFI_MOD_CLASS_DSSS:

   265     case WIFI_MOD_CLASS_DSSS:

   266       if (preamble == WIFI_PREAMBLE_SHORT)

   266       if (preamble == WIFI_PREAMBLE_SHORT)

   267         {

   267         {

   268           // IEEE Std 802.11-2007, section 18.2.2.2 and figure 18-2

   268           // IEEE Std 802.11-2007, section 18.2.2.2 and figure 18-2

   307     case WIFI_MOD_CLASS_HT:

   307     case WIFI_MOD_CLASS_HT:

   308       { //IEEE 802.11n Figure 20.1 the training symbols before L_SIG or HT_SIG

   308       { //IEEE 802.11n Figure 20.1 the training symbols before L_SIG or HT_SIG

   309            return 16;

   309            return 16;

   310       }

   310       }

   311     case WIFI_MOD_CLASS_ERP_OFDM:

   311     case WIFI_MOD_CLASS_ERP_OFDM:

   313 

   313 

   314     case WIFI_MOD_CLASS_DSSS:

   314     case WIFI_MOD_CLASS_DSSS:

   315       if (preamble == WIFI_PREAMBLE_SHORT)

   315       if (preamble == WIFI_PREAMBLE_SHORT)

   316         {

   316         {

   317           // IEEE Std 802.11-2007, section 18.2.2.2 and figure 18-2

   317           // IEEE Std 802.11-2007, section 18.2.2.2 and figure 18-2