NL80211_FEATURE_ACKTO_ESTIMATION 396 drivers/net/wireless/ath/ath9k/dynack.c ah->hw->wiphy->features |= NL80211_FEATURE_ACKTO_ESTIMATION; NL80211_FEATURE_ACKTO_ESTIMATION 3070 net/wireless/nl80211.c if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))