Everything including this header includes net/cfg80211.h, which includes linux/netdevice.h, which includes linux/ethtool.h already. Why slow-down the build, even a little bit?
Signed-off-by: John W. Linville
#ifndef __CFG80211_ETHTOOL__ #define __CFG80211_ETHTOOL__ extern const struct ethtool_ops cfg80211_ethtool_ops; #endif /* __CFG80211_ETHTOOL__ */