il4965_hwrate_to_mac80211_idx
r->idx = il4965_hwrate_to_mac80211_idx(rate_n_flags, info->band);
il4965_hwrate_to_mac80211_idx(rate_n_flags, rx_status.band);
int il4965_hwrate_to_mac80211_idx(u32 rate_n_flags, enum nl80211_band band);