reg_get_max_bandwidth
max_bandwidth_khz = reg_get_max_bandwidth(regdom,
max_bandwidth1 = reg_get_max_bandwidth(rd1, rule1);
max_bandwidth2 = reg_get_max_bandwidth(rd2, rule2);
max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule);
reg_get_max_bandwidth(rd, reg_rule));
unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,