IEEE80211_CCK_RATE_LEN
memcpy(supported_rates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
memcpy(supported_rates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
memcpy(supported_rates + IEEE80211_CCK_RATE_LEN, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);