path: root/net/mac80211/driver-ops.h

#ifndef __MAC80211_DRIVER_OPS
#define __MAC80211_DRIVER_OPS

#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "trace.h"

static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
{
	WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
	     "%s:  Failed check-sdata-in-driver check, flags: 0x%x\n",
	     sdata->dev ? sdata->dev->name : sdata->name, sdata->flags);
}

static inline struct ieee80211_sub_if_data *
get_bss_sdata(struct ieee80211_sub_if_data *sdata)
{
	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
		sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
				     u.ap);

	return sdata;
}

static inline void drv_tx(struct ieee80211_local *local,
			  struct ieee80211_tx_control *control,
			  struct sk_buff *skb)
{
	local->ops->tx(&local->hw, control, skb);
}

static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
				      u32 sset, u8 *data)
{
	struct ieee80211_local *local = sdata->local;
	if (local->ops->get_et_strings) {
		trace_drv_get_et_strings(local, sset);
		local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data);
		trace_drv_return_void(local);
	}
}

static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata,
				    struct ethtool_stats *stats,
				    u64 *data)
{
	struct ieee80211_local *local = sdata->local;
	if (local->ops->get_et_stats) {
		trace_drv_get_et_stats(local);
		local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data);
		trace_drv_return_void(local);
	}
}

static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata,
					int sset)
{
	struct ieee80211_local *local = sdata->local;
	int rv = 0;
	if (local->ops->get_et_sset_count) {
		trace_drv_get_et_sset_count(local, sset);
		rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif,
						   sset);
		trace_drv_return_int(local, rv);
	}
	return rv;
}

static inline int drv_start(struct ieee80211_local *local)
{
	int ret;

	might_sleep();

	trace_drv_start(local);
	local->started = true;
	smp_mb();
	ret = local->ops->start(&local->hw);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline void drv_stop(struct ieee80211_local *local)
{
	might_sleep();

	trace_drv_stop(local);
	local->ops->stop(&local->hw);
	trace_drv_return_void(local);

	/* sync away all work on the tasklet before clearing started */
	tasklet_disable(&local->tasklet);
	tasklet_enable(&local->tasklet);

	barrier();

	local->started = false;
}

#ifdef CONFIG_PM
static inline int drv_suspend(struct ieee80211_local *local,
			      struct cfg80211_wowlan *wowlan)
{
	int ret;

	might_sleep();

	trace_drv_suspend(local);
	ret = local->ops->suspend(&local->hw, wowlan);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline int drv_resume(struct ieee80211_local *local)
{
	int ret;

	might_sleep();

	trace_drv_resume(local);
	ret = local->ops->resume(&local->hw);
	trace_drv_return_int(local, ret);
	return ret;
}

static inline void drv_set_wakeup(struct ieee80211_local *local,
				  bool enabled)
{
	might_sleep();

	if (!local->ops->set_wakeup)
		return;

	trace_drv_set_wakeup(local, enabled);
	local->ops->set_wakeup(&local->hw, enabled);
	trace_drv_return_void(local);
}
#endif

static inline int drv_add_interface(struct ieee80211_local *local,
				    struct ieee80211_sub_if_data *sdata)
{
	int ret;

	might_sleep();

	if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
		    (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
		     !(local->hw.