staging: rtl8723au: ioctl_cfg80211.c: Rip out < 3.14 kernel support

}

static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0))

				struct ieee80211_channel *chan,

				bool offchan,

				unsigned int wait,

				const u8 *buf, size_t len,

				bool no_cck, bool dont_wait_for_ack,

#else

				struct cfg80211_mgmt_tx_params *params,

#endif

				u64 *cookie)

{

	struct rtw_adapter *padapter =

	bool ack = true;

	u8 category, action;

	unsigned long start = jiffies;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))

	size_t len = params->len;

	struct ieee80211_channel *chan = params->chan;

	const u8 *buf = params->buf;

#endif

	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)buf;

	u8 tx_ch = (u8) ieee80211_frequency_to_channel(chan->center_freq);