OLC_FOR_AR9280_20_LATER
#define CCK_DELTA(_ah, x) ((OLC_FOR_AR9280_20_LATER(_ah)) ? max((x) - 2, 0) : (x))
else if (OLC_FOR_AR9280_20_LATER(ah))
if (!OLC_FOR_AR9280_20_LATER(ah))
if (OLC_FOR_AR9280_20_LATER(ah)) {
if (OLC_FOR_AR9280_20_LATER(ah)) {
if (OLC_FOR_AR9280_20_LATER(ah) && IS_CHAN_2GHZ(chan)) {
if (OLC_FOR_AR9280_20_LATER(ah)) {
if (OLC_FOR_AR9280_20_LATER(ah)) {
if (OLC_FOR_AR9280_20_LATER(ah) && is_cck)