Release 4.11 net/mac80211/driver-ops.h

Directory: net/mac80211
/*
* Portions of this file
* Copyright(c) 2016 Intel Deutschland GmbH
*/

#ifndef __MAC80211_DRIVER_OPS

#define __MAC80211_DRIVER_OPS

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



static inline bool check_sdata_in_driver(struct ieee80211_sub_if_data *sdata)
{
	return !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);
}

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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;
}

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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);
}

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static inline void drv_sync_rx_queues(struct ieee80211_local *local,
				      struct sta_info *sta)
{
	if (local->ops->sync_rx_queues) {
		trace_drv_sync_rx_queues(local, sta->sdata, &sta->sta);
		local->ops->sync_rx_queues(&local->hw);
		trace_drv_return_void(local);
	}
}

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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);
	}
}

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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);
	}
}

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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;
}

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int drv_start(struct ieee80211_local *local);
void drv_stop(struct ieee80211_local *local);

#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;
}

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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;
}

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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);
}
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#endif

int drv_add_interface(struct ieee80211_local *local,
		      struct ieee80211_sub_if_data *sdata);

int drv_change_interface(struct ieee80211_local *local,
			 struct ieee80211_sub_if_data *sdata,
			 enum nl80211_iftype type, bool p2p);

void drv_remove_interface(struct ieee80211_local *local,
			  struct ieee80211_sub_if_data *sdata);



static inline int drv_config(struct ieee80211_local *local, u32 changed)
{
	int ret;

	might_sleep();

	trace_drv_config(local, changed);
	ret = local->ops->config(&local->hw, changed);
	trace_drv_return_int(local, ret);
	return ret;
}

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static inline void drv_bss_info_changed(struct ieee80211_local *local,
					struct ieee80211_sub_if_data *sdata,
					struct ieee80211_bss_conf *info,
					u32 changed)
{
	might_sleep();

	if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON |
				    BSS_CHANGED_BEACON_ENABLED) &&
			 sdata->vif.type != NL80211_IFTYPE_AP &&
			 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
			 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
			 sdata->vif.type != NL80211_IFTYPE_OCB))
		return;

	if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE ||
			 sdata->vif.type == NL80211_IFTYPE_NAN ||
			 (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
			  !sdata->vif.mu_mimo_owner)))
		return;

	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_bss_info_changed(local, sdata, info, changed);
	if (local->ops->bss_info_changed)
		local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed);
	trace_drv_return_void(local);
}

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Total 167 100.00% 13 100.00%



static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
					struct netdev_hw_addr_list *mc_list)
{
	u64 ret = 0;

	trace_drv_prepare_multicast(local, mc_list->count);

	if (local->ops->prepare_multicast)
		ret = local->ops->prepare_multicast(&local->hw, mc_list);

	trace_drv_return_u64(local, ret);

	return ret;
}

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static inline void drv_configure_filter(struct ieee80211_local *local,
					unsigned int changed_flags,
					unsigned int *total_flags,
					u64 multicast)
{
	might_sleep();

	trace_drv_configure_filter(local, changed_flags, total_flags,
				   multicast);
	local->ops->configure_filter(&local->hw, changed_flags, total_flags,
				     multicast);
	trace_drv_return_void(local);
}

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static inline void drv_config_iface_filter(struct ieee80211_local *local,
					   struct ieee80211_sub_if_data *sdata,
					   unsigned int filter_flags,
					   unsigned int changed_flags)
{
	might_sleep();

	trace_drv_config_iface_filter(local, sdata, filter_flags,
				      changed_flags);
	if (local->ops->config_iface_filter)
		local->ops->config_iface_filter(&local->hw, &sdata->vif,
						filter_flags,
						changed_flags);
	trace_drv_return_void(local);
}

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static inline int drv_set_tim(struct ieee80211_local *local,
			      struct ieee80211_sta *sta, bool set)
{
	int ret = 0;
	trace_drv_set_tim(local, sta, set);
	if (local->ops->set_tim)
		ret = local->ops->set_tim(&local->hw, sta, set);
	trace_drv_return_int(local, ret);
	return ret;
}

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static inline int drv_set_key(struct ieee80211_local *local,
			      enum set_key_cmd cmd,
			      struct ieee80211_sub_if_data *sdata,
			      struct ieee80211_sta *sta,
			      struct ieee80211_key_conf *key)
{
	int ret;

	might_sleep();

	sdata = get_bss_sdata(sdata);
	if (!check_sdata_in_driver(sdata))
		return -EIO;

	trace_drv_set_key(local, cmd, sdata, sta, key);
	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
	trace_drv_return_int(local, ret);
	return ret;
}

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static inline void drv_update_tkip_key(struct ieee80211_local *local,
				       struct ieee80211_sub_if_data *sdata,
				       struct ieee80211_key_conf *conf,
				       struct sta_info *sta, u32 iv32,
				       u16 *phase1key)
{
	struct ieee80211_sta *ista = NULL;

	if (sta)
		ista = &sta->sta;

	sdata = get_bss_sdata(sdata);
	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_update_tkip_key(local, sdata, conf, ista, iv32);
	if (local->ops->update_tkip_key)
		local->ops->update_tkip_key(&local->hw, &sdata->vif, conf,
					    ista, iv32, phase1key);
	trace_drv_return_void(local);
}

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static inline int drv_hw_scan(struct ieee80211_local *local,
			      struct ieee80211_sub_if_data *sdata,
			      struct ieee80211_scan_request *req)
{
	int ret;

	might_sleep();

	if (!check_sdata_in_driver(sdata))
		return -EIO;

	trace_drv_hw_scan(local, sdata);
	ret = local->ops->hw_scan(&local->hw, &sdata->vif, req);
	trace_drv_return_int(local, ret);
	return ret;
}

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Total 78 100.00% 9 100.00%



static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
				      struct ieee80211_sub_if_data *sdata)
{
	might_sleep();

	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_cancel_hw_scan(local, sdata);
	local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
	trace_drv_return_void(local);
}

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static inline int

drv_sched_scan_start(struct ieee80211_local *local,
		     struct ieee80211_sub_if_data *sdata,
		     struct cfg80211_sched_scan_request *req,
		     struct ieee80211_scan_ies *ies)
{
	int ret;

	might_sleep();

	if (!check_sdata_in_driver(sdata))
		return -EIO;

	trace_drv_sched_scan_start(local, sdata);
	ret = local->ops->sched_scan_start(&local->hw, &sdata->vif,
					      req, ies);
	trace_drv_return_int(local, ret);
	return ret;
}

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

	might_sleep();

	if (!check_sdata_in_driver(sdata))
		return -EIO;

	trace_drv_sched_scan_stop(local, sdata);
	ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif);
	trace_drv_return_int(local, ret);

	return ret;
}

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static inline void drv_sw_scan_start(struct ieee80211_local *local,
				     struct ieee80211_sub_if_data *sdata,
				     const u8 *mac_addr)
{
	might_sleep();

	trace_drv_sw_scan_start(local, sdata, mac_addr);
	if (local->ops->sw_scan_start)
		local->ops->sw_scan_start(&local->hw, &sdata->vif, mac_addr);
	trace_drv_return_void(local);
}

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static inline void drv_sw_scan_complete(struct ieee80211_local *local,
					struct ieee80211_sub_if_data *sdata)
{
	might_sleep();

	trace_drv_sw_scan_complete(local, sdata);
	if (local->ops->sw_scan_complete)
		local->ops->sw_scan_complete(&local->hw, &sdata->vif);
	trace_drv_return_void(local);
}

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static inline int drv_get_stats(struct ieee80211_local *local,
				struct ieee80211_low_level_stats *stats)
{
	int ret = -EOPNOTSUPP;

	might_sleep();

	if (local->ops->get_stats)
		ret = local->ops->get_stats(&local->hw, stats);
	trace_drv_get_stats(local, stats, ret);

	return ret;
}

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static inline void drv_get_key_seq(struct ieee80211_local *local,
				   struct ieee80211_key *key,
				   struct ieee80211_key_seq *seq)
{
	if (local->ops->get_key_seq)
		local->ops->get_key_seq(&local->hw, &key->conf, seq);
	trace_drv_get_key_seq(local, &key->conf);
}

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static inline int drv_set_frag_threshold(struct ieee80211_local *local,
					u32 value)
{
	int ret = 0;

	might_sleep();

	trace_drv_set_frag_threshold(local, value);
	if (local->ops->set_frag_threshold)
		ret = local->ops->set_frag_threshold(&local->hw, value);
	trace_drv_return_int(local, ret);
	return ret;
}

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static inline int drv_set_rts_threshold(struct ieee80211_local *local,
					u32 value)
{
	int ret = 0;

	might_sleep();

	trace_drv_set_rts_threshold(local, value);
	if (local->ops->set_rts_threshold)
		ret = local->ops->set_rts_threshold(&local->hw, value);
	trace_drv_return_int(local, ret);
	return ret;
}

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static inline int drv_set_coverage_class(struct ieee80211_local *local,
					 s16 value)
{
	int ret = 0;
	might_sleep();

	trace_drv_set_coverage_class(local, value);
	if (local->ops->set_coverage_class)
		local->ops->set_coverage_class(&local->hw, value);
	else
		ret = -EOPNOTSUPP;

	trace_drv_return_int(local, ret);
	return ret;
}

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static inline void drv_sta_notify(struct ieee80211_local *local,
				  struct ieee80211_sub_if_data *sdata,
				  enum sta_notify_cmd cmd,
				  struct ieee80211_sta *sta)
{
	sdata = get_bss_sdata(sdata);
	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_sta_notify(local, sdata, cmd, sta);
	if (local->ops->sta_notify)
		local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta);
	trace_drv_return_void(local);
}

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static inline int drv_sta_add(struct ieee80211_local *local,
			      struct ieee80211_sub_if_data *sdata,
			      struct ieee80211_sta *sta)
{
	int ret = 0;

	might_sleep();

	sdata = get_bss_sdata(sdata);
	if (!check_sdata_in_driver(sdata))
		return -EIO;

	trace_drv_sta_add(local, sdata, sta);
	if (local->ops->sta_add)
		ret = local->ops->sta_add(&local->hw, &sdata->vif, sta);

	trace_drv_return_int(local, ret);

	return ret;
}

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static inline void drv_sta_remove(struct ieee80211_local *local,
				  struct ieee80211_sub_if_data *sdata,
				  struct ieee80211_sta *sta)
{
	might_sleep();

	sdata = get_bss_sdata(sdata);
	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_sta_remove(local, sdata, sta);
	if (local->ops->sta_remove)
		local->ops->sta_remove(&local->hw, &sdata->vif, sta);

	trace_drv_return_void(local);
}

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#ifdef CONFIG_MAC80211_DEBUGFS


static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
				       struct ieee80211_sub_if_data *sdata,
				       struct ieee80211_sta *sta,
				       struct dentry *dir)
{
	might_sleep();

	sdata = get_bss_sdata(sdata);
	if (!check_sdata_in_driver(sdata))
		return;

	if (local->ops->sta_add_debugfs)
		local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
					    sta, dir);
}
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#endif



static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local,
					  struct ieee80211_sub_if_data *sdata,
					  struct sta_info *sta)
{
	might_sleep();

	sdata = get_bss_sdata(sdata);
	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta);
	if (local->ops->sta_pre_rcu_remove)
		local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif,
					       &sta->sta);
	trace_drv_return_void(local);
}

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__must_check
int drv_sta_state(struct ieee80211_local *local,
		  struct ieee80211_sub_if_data *sdata,
		  struct sta_info *sta,
		  enum ieee80211_sta_state old_state,
		  enum ieee80211_sta_state new_state);

void drv_sta_rc_update(struct ieee80211_local *local,
		       struct ieee80211_sub_if_data *sdata,
		       struct ieee80211_sta *sta, u32 changed);



static inline void drv_sta_rate_tbl_update(struct ieee80211_local *local,
					   struct ieee80211_sub_if_data *sdata,
					   struct ieee80211_sta *sta)
{
	sdata = get_bss_sdata(sdata);
	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_sta_rate_tbl_update(local, sdata, sta);
	if (local->ops->sta_rate_tbl_update)
		local->ops->sta_rate_tbl_update(&local->hw, &sdata->vif, sta);

	trace_drv_return_void(local);
}

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static inline void drv_sta_statistics(struct ieee80211_local *local,
				      struct ieee80211_sub_if_data *sdata,
				      struct ieee80211_sta *sta,
				      struct station_info *sinfo)
{
	sdata = get_bss_sdata(sdata);
	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_sta_statistics(local, sdata, sta);
	if (local->ops->sta_statistics)
		local->ops->sta_statistics(&local->hw, &sdata->vif, sta, sinfo);
	trace_drv_return_void(local);
}

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int drv_conf_tx(struct ieee80211_local *local,
		struct ieee80211_sub_if_data *sdata, u16 ac,
		const struct ieee80211_tx_queue_params *params);

u64 drv_get_tsf(struct ieee80211_local *local,
		struct ieee80211_sub_if_data *sdata);
void drv_set_tsf(struct ieee80211_local *local,
		 struct ieee80211_sub_if_data *sdata,
		 u64 tsf);
void drv_offset_tsf(struct ieee80211_local *local,
		    struct ieee80211_sub_if_data *sdata,
		    s64 offset);
void drv_reset_tsf(struct ieee80211_local *local,
		   struct ieee80211_sub_if_data *sdata);



static inline int drv_tx_last_beacon(struct ieee80211_local *local)
{
	int ret = 0; /* default unsupported op for less congestion */

	might_sleep();

	trace_drv_tx_last_beacon(local);
	if (local->ops->tx_last_beacon)
		ret = local->ops->tx_last_beacon(&local->hw);
	trace_drv_return_int(local, ret);
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
Johannes Berg 53 91.38% 3 50.00%
Kalle Valo 3 5.17% 1 16.67%
Masanari Iida 1 1.72% 1 16.67%
Tim Harvey 1 1.72% 1 16.67%
Total 58 100.00% 6 100.00%

int drv_ampdu_action(struct ieee80211_local *local,
		     struct ieee80211_sub_if_data *sdata,
		     struct ieee80211_ampdu_params *params);



static inline int drv_get_survey(struct ieee80211_local *local, int idx,
				struct survey_info *survey)
{
	int ret = -EOPNOTSUPP;

	trace_drv_get_survey(local, idx, survey);

	if (local->ops->get_survey)
		ret = local->ops->get_survey(&local->hw, idx, survey);

	trace_drv_return_int(local, ret);

	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
Holger Schurig 55 77.46% 2 66.67%
John W. Linville 16 22.54% 1 33.33%
Total 71 100.00% 3 100.00%



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

	if (local->ops->rfkill_poll)
		local->ops
Person	Tokens	Prop	Commits	CommitProp
Johannes Berg	33	71.74%	3	75.00%
Ben Greear	13	28.26%	1	25.00%
Total	46	100.00%	4	100.00%
cregit-Linux how code gets into the kernel

Release 4.11 net/mac80211/driver-ops.h

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