[linux-block.git] / net / mac80211 / driver-ops.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2015 Intel Deutschland GmbH
 * Copyright (C) 2022 Intel Corporation
 */
#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "trace.h"
#include "driver-ops.h"
#include "debugfs_sta.h"

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

	might_sleep();

	if (WARN_ON(local->started))
		return -EALREADY;

	trace_drv_start(local);
	local->started = true;
	/* allow rx frames */
	smp_mb();
	ret = local->ops->start(&local->hw);
	trace_drv_return_int(local, ret);

	if (ret)
		local->started = false;

	return ret;
}

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

	if (WARN_ON(!local->started))
		return;

	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;
}

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 &&
		     !ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) &&
		     !(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE))))
		return -EINVAL;

	trace_drv_add_interface(local, sdata);
	ret = local->ops->add_interface(&local->hw, &sdata->vif);
	trace_drv_return_int(local, ret);

	if (ret == 0)
		sdata->flags |= IEEE80211_SDATA_IN_DRIVER;

	return ret;
}

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

	might_sleep();

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

	trace_drv_change_interface(local, sdata, type, p2p);
	ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
	trace_drv_return_int(local, ret);
	return ret;
}

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

	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_remove_interface(local, sdata);
	local->ops->remove_interface(&local->hw, &sdata->vif);
	sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
	trace_drv_return_void(local);
}

__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)
{
	int ret = 0;

	might_sleep();

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

	trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
	if (local->ops->sta_state) {
		ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
					    old_state, new_state);
	} else if (old_state == IEEE80211_STA_AUTH &&
		   new_state == IEEE80211_STA_ASSOC) {
		ret = drv_sta_add(local, sdata, &sta->sta);
		if (ret == 0) {
			sta->uploaded = true;
			if (rcu_access_pointer(sta->sta.rates))
				drv_sta_rate_tbl_update(local, sdata, &sta->sta);
		}
	} else if (old_state == IEEE80211_STA_ASSOC &&
		   new_state == IEEE80211_STA_AUTH) {
		drv_sta_remove(local, sdata, &sta->sta);
	}
	trace_drv_return_int(local, ret);
	return ret;
}

__must_check
int drv_sta_set_txpwr(struct ieee80211_local *local,
		      struct ieee80211_sub_if_data *sdata,
		      struct sta_info *sta)
{
	int ret = -EOPNOTSUPP;

	might_sleep();

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

	trace_drv_sta_set_txpwr(local, sdata, &sta->sta);
	if (local->ops->sta_set_txpwr)
		ret = local->ops->sta_set_txpwr(&local->hw, &sdata->vif,
						&sta->sta);
	trace_drv_return_int(local, ret);
	return ret;
}

void drv_sta_rc_update(struct ieee80211_local *local,
		       struct ieee80211_sub_if_data *sdata,
		       struct ieee80211_sta *sta, u32 changed)
{
	sdata = get_bss_sdata(sdata);
	if (!check_sdata_in_driver(sdata))
		return;

	WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
		(sdata->vif.type != NL80211_IFTYPE_ADHOC &&
		 sdata->vif.type != NL80211_IFTYPE_MESH_POINT));

	trace_drv_sta_rc_update(local, sdata, sta, changed);
	if (local->ops->sta_rc_update)
		local->ops->sta_rc_update(&local->hw, &sdata->vif,
					  sta, changed);

	trace_drv_return_void(local);
}

int drv_conf_tx(struct ieee80211_local *local,
		struct ieee80211_link_data *link, u16 ac,
		const struct ieee80211_tx_queue_params *params)
{
	struct ieee80211_sub_if_data *sdata = link->sdata;
	int ret = -EOPNOTSUPP;

	might_sleep();

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

	if (sdata->vif.active_links &&
	    !(sdata->vif.active_links & BIT(link->link_id)))
		return 0;

	if (params->cw_min == 0 || params->cw_min > params->cw_max) {
		/*
		 * If we can't configure hardware anyway, don't warn. We may
		 * never have initialized the CW parameters.
		 */
		WARN_ONCE(local->ops->conf_tx,
			  "%s: invalid CW_min/CW_max: %d/%d\n",
			  sdata->name, params->cw_min, params->cw_max);
		return -EINVAL;
	}

	trace_drv_conf_tx(local, sdata, link->link_id, ac, params);
	if (local->ops->conf_tx)
		ret = local->ops->conf_tx(&local->hw, &sdata->vif,
					  link->link_id, ac, params);
	trace_drv_return_int(local, ret);
	return ret;
}

u64 drv_get_tsf(struct ieee80211_local *local,
		struct ieee80211_sub_if_data *sdata)
{
	u64 ret = -1ULL;

	might_sleep();

	if (!check_sdata_in_driver(sdata))
		return ret;

	trace_drv_get_tsf(local, sdata);
	if (local->ops->get_tsf)
		ret = local->ops->get_tsf(&local->hw, &sdata->vif);
	trace_drv_return_u64(local, ret);
	return ret;
}

void drv_set_tsf(struct ieee80211_local *local,
		 struct ieee80211_sub_if_data *sdata,
		 u64 tsf)
{
	might_sleep();

	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_set_tsf(local, sdata, tsf);
	if (local->ops->set_tsf)
		local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
	trace_drv_return_void(local);
}

void drv_offset_tsf(struct ieee80211_local *local,
		    struct ieee80211_sub_if_data *sdata,
		    s64 offset)
{
	might_sleep();

	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_offset_tsf(local, sdata, offset);
	if (local->ops->offset_tsf)
		local->ops->offset_tsf(&local->hw, &sdata->vif, offset);
	trace_drv_return_void(local);
}

void drv_reset_tsf(struct ieee80211_local *local,
		   struct ieee80211_sub_if_data *sdata)
{
	might_sleep();

	if (!check_sdata_in_driver(sdata))
		return;

	trace_drv_reset_tsf(local, sdata);
	if (local->ops->reset_tsf)
		local->ops->reset_tsf(&local->hw, &sdata->vif);
	trace_drv_return_void(local);
}

int drv_assign_vif_chanctx(struct ieee80211_local *local,
			   struct ieee80211_sub_if_data *sdata,
			   struct ieee80211_bss_conf *link_conf,
			   struct ieee80211_chanctx *ctx)
{
	int ret = 0;

	drv_verify_link_exists(sdata, link_conf);
	if (!check_sdata_in_driver(sdata))
		return -EIO;

	if (sdata->vif.active_links &&
	    !(sdata->vif.active_links & BIT(link_conf->link_id)))
		return 0;

	trace_drv_assign_vif_chanctx(local, sdata, link_conf, ctx);
	if (local->ops->assign_vif_chanctx) {
		WARN_ON_ONCE(!ctx->driver_present);
		ret = local->ops->assign_vif_chanctx(&local->hw,
						     &sdata->vif,
						     link_conf,
						     &ctx->conf);
	}
	trace_drv_return_int(local, ret);

	return ret;
}

void drv_unassign_vif_chanctx(struct ieee80211_local *local,
			      struct ieee80211_sub_if_data *sdata,
			      struct ieee80211_bss_conf *link_conf,
			      struct ieee80211_chanctx *ctx)
{
	might_sleep();

	drv_verify_link_exists(sdata, link_conf);
	if (!check_sdata_in_driver(sdata))
		return;

	if (sdata->vif.active_links &&
	    !(sdata->vif.active_links & BIT(link_conf->link_id)))
		return;

	trace_drv_unassign_vif_chanctx(local, sdata, link_conf, ctx);
	if (local->ops->unassign_vif_chanctx) {
		WARN_ON_ONCE(!ctx->driver_present);
		local->ops->unassign_vif_chanctx(&local->hw,
						 &sdata->vif,
						 link_conf,
						 &ctx->conf);
	}
	trace_drv_return_void(local);
}

int drv_switch_vif_chanctx(struct ieee80211_local *local,
			   struct ieee80211_vif_chanctx_switch *vifs,
			   int n_vifs, enum ieee80211_chanctx_switch_mode mode)
{
	int ret = 0;
	int i;

	might_sleep();

	if (!local->ops->switch_vif_chanctx)
		return -EOPNOTSUPP;

	for (i = 0; i < n_vifs; i++) {
		struct ieee80211_chanctx *new_ctx =
			container_of(vifs[i].new_ctx,
				     struct ieee80211_chanctx,
				     conf);
		struct ieee80211_chanctx *old_ctx =
			container_of(vifs[i].old_ctx,
				     struct ieee80211_chanctx,
				     conf);

		WARN_ON_ONCE(!old_ctx->driver_present);
		WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
			      new_ctx->driver_present) ||
			     (mode == CHANCTX_SWMODE_REASSIGN_VIF &&
			      !new_ctx->driver_present));
	}

	trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
	ret = local->ops->switch_vif_chanctx(&local->hw,
					     vifs, n_vifs, mode);
	trace_drv_return_int(local, ret);

	if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
		for (i = 0; i < n_vifs; i++) {
			struct ieee80211_chanctx *new_ctx =
				container_of(vifs[i].new_ctx,
					     struct ieee80211_chanctx,
					     conf);
			struct ieee80211_chanctx *old_ctx =
				container_of(vifs[i].old_ctx,
					     struct ieee80211_chanctx,
					     conf);

			new_ctx->driver_present = true;
			old_ctx->driver_present = false;
		}
	}

	return ret;
}

int drv_ampdu_action(struct ieee80211_local *local,
		     struct ieee80211_sub_if_data *sdata,
		     struct ieee80211_ampdu_params *params)
{
	int ret = -EOPNOTSUPP;

	might_sleep();

	if (!sdata)
		return -EIO;

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

	trace_drv_ampdu_action(local, sdata, params);

	if (local->ops->ampdu_action)
		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, params);

	trace_drv_return_int(local, ret);

	return ret;
}

void drv_link_info_changed(struct ieee80211_local *local,
			   struct ieee80211_sub_if_data *sdata,
			   struct ieee80211_bss_conf *info,
			   int link_id, u64 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.bss_conf.mu_mimo_owner &&
			  !(changed & BSS_CHANGED_TXPOWER))))
		return;

	if (!check_sdata_in_driver(sdata))
		return;

	if (sdata->vif.active_links &&
	    !(sdata->vif.active_links & BIT(link_id)))
		return;

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

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;

	if (WARN_ON(key->link_id >= 0 && sdata->vif.active_links &&
		    !(sdata->vif.active_links & BIT(key->link_id))))
		return -ENOLINK;

	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;
}

int drv_change_vif_links(struct ieee80211_local *local,
			 struct ieee80211_sub_if_data *sdata,
			 u16 old_links, u16 new_links,
			 struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS])
{
	int ret = -EOPNOTSUPP;

	might_sleep();

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

	if (old_links == new_links)
		return 0;

	trace_drv_change_vif_links(local, sdata, old_links, new_links);
	if (local->ops->change_vif_links)
		ret = local->ops->change_vif_links(&local->hw, &sdata->vif,
						   old_links, new_links, old);
	trace_drv_return_int(local, ret);

	return ret;
}

int drv_change_sta_links(struct ieee80211_local *local,
			 struct ieee80211_sub_if_data *sdata,
			 struct ieee80211_sta *sta,
			 u16 old_links, u16 new_links)
{
	struct sta_info *info = container_of(sta, struct sta_info, sta);
	struct link_sta_info *link_sta;
	unsigned long links_to_add;
	unsigned long links_to_rem;
	unsigned int link_id;
	int ret = -EOPNOTSUPP;

	might_sleep();

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

	old_links &= sdata->vif.active_links;
	new_links &= sdata->vif.active_links;

	if (old_links == new_links)
		return 0;

	links_to_add = ~old_links & new_links;
	links_to_rem = old_links & ~new_links;

	for_each_set_bit(link_id, &links_to_rem, IEEE80211_MLD_MAX_NUM_LINKS) {
		link_sta = rcu_dereference_protected(info->link[link_id],
						     lockdep_is_held(&local->sta_mtx));

		ieee80211_link_sta_debugfs_drv_remove(link_sta);
	}

	trace_drv_change_sta_links(local, sdata, sta, old_links, new_links);
	if (local->ops->change_sta_links)
		ret = local->ops->change_sta_links(&local->hw, &sdata->vif, sta,
						   old_links, new_links);
	trace_drv_return_int(local, ret);

	if (ret)
		return ret;

	for_each_set_bit(link_id, &links_to_add, IEEE80211_MLD_MAX_NUM_LINKS) {
		link_sta = rcu_dereference_protected(info->link[link_id],
						     lockdep_is_held(&local->sta_mtx));
		ieee80211_link_sta_debugfs_drv_add(link_sta);
	}

	return 0;
}
Commit	Line	Data
d2912cb1	1	// SPDX-License-Identifier: GPL-2.0-only
727da60b	2	/*
968a76ce	3	* Copyright 2015 Intel Deutschland GmbH
b3e2130b	4	* Copyright (C) 2022 Intel Corporation
727da60b DV	5	*/
	6	#include <net/mac80211.h>
	7	#include "ieee80211_i.h"
	8	#include "trace.h"
	9	#include "driver-ops.h"
d2caad52	10	#include "debugfs_sta.h"
727da60b	11
968a76ce EP	12	int drv_start(struct ieee80211_local *local)
	13	{
	14	int ret;
	15
	16	might_sleep();
	17
	18	if (WARN_ON(local->started))
	19	return -EALREADY;
	20
	21	trace_drv_start(local);
	22	local->started = true;
	23	/* allow rx frames */
	24	smp_mb();
	25	ret = local->ops->start(&local->hw);
	26	trace_drv_return_int(local, ret);
	27
	28	if (ret)
	29	local->started = false;
	30
	31	return ret;
	32	}
	33
	34	void drv_stop(struct ieee80211_local *local)
	35	{
	36	might_sleep();
	37
	38	if (WARN_ON(!local->started))
	39	return;
	40
	41	trace_drv_stop(local);
	42	local->ops->stop(&local->hw);
	43	trace_drv_return_void(local);
	44
	45	/* sync away all work on the tasklet before clearing started */
	46	tasklet_disable(&local->tasklet);
	47	tasklet_enable(&local->tasklet);
	48
	49	barrier();
	50
	51	local->started = false;
	52	}
	53
9aae296a DV	54	int drv_add_interface(struct ieee80211_local *local,
	55	struct ieee80211_sub_if_data *sdata)
	56	{
	57	int ret;
	58
	59	might_sleep();
	60
	61	if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN \|\|
	62	(sdata->vif.type == NL80211_IFTYPE_MONITOR &&
	63	!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) &&
d8212184	64	!(sdata->u.mntr.flags & MONITOR_FLAG_ACTIVE))))
9aae296a DV	65	return -EINVAL;
	66
	67	trace_drv_add_interface(local, sdata);
	68	ret = local->ops->add_interface(&local->hw, &sdata->vif);
	69	trace_drv_return_int(local, ret);
	70
	71	if (ret == 0)
	72	sdata->flags \|= IEEE80211_SDATA_IN_DRIVER;
	73
	74	return ret;
	75	}
	76
	77	int drv_change_interface(struct ieee80211_local *local,
	78	struct ieee80211_sub_if_data *sdata,
	79	enum nl80211_iftype type, bool p2p)
	80	{
	81	int ret;
	82
	83	might_sleep();
	84
	85	if (!check_sdata_in_driver(sdata))
	86	return -EIO;
	87
	88	trace_drv_change_interface(local, sdata, type, p2p);
	89	ret = local->ops->change_interface(&local->hw, &sdata->vif, type, p2p);
	90	trace_drv_return_int(local, ret);
	91	return ret;
	92	}
	93
	94	void drv_remove_interface(struct ieee80211_local *local,
	95	struct ieee80211_sub_if_data *sdata)
	96	{
	97	might_sleep();
	98
	99	if (!check_sdata_in_driver(sdata))
	100	return;
	101
	102	trace_drv_remove_interface(local, sdata);
	103	local->ops->remove_interface(&local->hw, &sdata->vif);
	104	sdata->flags &= ~IEEE80211_SDATA_IN_DRIVER;
	105	trace_drv_return_void(local);
	106	}
	107
727da60b DV	108	__must_check
	109	int drv_sta_state(struct ieee80211_local *local,
	110	struct ieee80211_sub_if_data *sdata,
	111	struct sta_info *sta,
	112	enum ieee80211_sta_state old_state,
	113	enum ieee80211_sta_state new_state)
	114	{
	115	int ret = 0;
	116
	117	might_sleep();
	118
	119	sdata = get_bss_sdata(sdata);
	120	if (!check_sdata_in_driver(sdata))
	121	return -EIO;
	122
	123	trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
	124	if (local->ops->sta_state) {
	125	ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
	126	old_state, new_state);
	127	} else if (old_state == IEEE80211_STA_AUTH &&
	128	new_state == IEEE80211_STA_ASSOC) {
	129	ret = drv_sta_add(local, sdata, &sta->sta);
18fe0fae	130	if (ret == 0) {
727da60b	131	sta->uploaded = true;
18fe0fae FF	132	if (rcu_access_pointer(sta->sta.rates))
	133	drv_sta_rate_tbl_update(local, sdata, &sta->sta);
	134	}
727da60b DV	135	} else if (old_state == IEEE80211_STA_ASSOC &&
	136	new_state == IEEE80211_STA_AUTH) {
	137	drv_sta_remove(local, sdata, &sta->sta);
	138	}
	139	trace_drv_return_int(local, ret);
	140	return ret;
	141	}
b23dcd4a	142
ba905bf4 ARN	143	__must_check
	144	int drv_sta_set_txpwr(struct ieee80211_local *local,
	145	struct ieee80211_sub_if_data *sdata,
	146	struct sta_info *sta)
	147	{
	148	int ret = -EOPNOTSUPP;
	149
	150	might_sleep();
	151
	152	sdata = get_bss_sdata(sdata);
	153	if (!check_sdata_in_driver(sdata))
	154	return -EIO;
	155
	156	trace_drv_sta_set_txpwr(local, sdata, &sta->sta);
	157	if (local->ops->sta_set_txpwr)
	158	ret = local->ops->sta_set_txpwr(&local->hw, &sdata->vif,
	159	&sta->sta);
	160	trace_drv_return_int(local, ret);
	161	return ret;
	162	}
	163
4fbd572c DV	164	void drv_sta_rc_update(struct ieee80211_local *local,
	165	struct ieee80211_sub_if_data *sdata,
	166	struct ieee80211_sta *sta, u32 changed)
	167	{
	168	sdata = get_bss_sdata(sdata);
	169	if (!check_sdata_in_driver(sdata))
	170	return;
	171
	172	WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
	173	(sdata->vif.type != NL80211_IFTYPE_ADHOC &&
	174	sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
	175
	176	trace_drv_sta_rc_update(local, sdata, sta, changed);
	177	if (local->ops->sta_rc_update)
	178	local->ops->sta_rc_update(&local->hw, &sdata->vif,
	179	sta, changed);
	180
	181	trace_drv_return_void(local);
	182	}
	183
b23dcd4a	184	int drv_conf_tx(struct ieee80211_local *local,
b3e2130b	185	struct ieee80211_link_data *link, u16 ac,
b23dcd4a DV	186	const struct ieee80211_tx_queue_params *params)
b23dcd4a DV	187	{
b3e2130b	188	struct ieee80211_sub_if_data *sdata = link->sdata;
b23dcd4a DV	189	int ret = -EOPNOTSUPP;
	190
	191	might_sleep();
	192
	193	if (!check_sdata_in_driver(sdata))
	194	return -EIO;
	195
efe9c2bf JB	196	if (sdata->vif.active_links &&
	197	!(sdata->vif.active_links & BIT(link->link_id)))
	198	return 0;
	199
d2b3fe42 BN	200	if (params->cw_min == 0 \|\| params->cw_min > params->cw_max) {
	201	/*
	202	* If we can't configure hardware anyway, don't warn. We may
	203	* never have initialized the CW parameters.
	204	*/
	205	WARN_ONCE(local->ops->conf_tx,
	206	"%s: invalid CW_min/CW_max: %d/%d\n",
	207	sdata->name, params->cw_min, params->cw_max);
b23dcd4a	208	return -EINVAL;
d2b3fe42	209	}
b23dcd4a	210
b3e2130b	211	trace_drv_conf_tx(local, sdata, link->link_id, ac, params);
b23dcd4a DV	212	if (local->ops->conf_tx)
b23dcd4a DV	213	ret = local->ops->conf_tx(&local->hw, &sdata->vif,
b3e2130b	214	link->link_id, ac, params);
b23dcd4a DV	215	trace_drv_return_int(local, ret);
	216	return ret;
	217	}
42677ed3	218
416eb9fc DV	219	u64 drv_get_tsf(struct ieee80211_local *local,
	220	struct ieee80211_sub_if_data *sdata)
	221	{
	222	u64 ret = -1ULL;
	223
	224	might_sleep();
	225
	226	if (!check_sdata_in_driver(sdata))
	227	return ret;
	228
	229	trace_drv_get_tsf(local, sdata);
	230	if (local->ops->get_tsf)
	231	ret = local->ops->get_tsf(&local->hw, &sdata->vif);
	232	trace_drv_return_u64(local, ret);
	233	return ret;
	234	}
	235
	236	void drv_set_tsf(struct ieee80211_local *local,
	237	struct ieee80211_sub_if_data *sdata,
	238	u64 tsf)
	239	{
	240	might_sleep();
	241
	242	if (!check_sdata_in_driver(sdata))
	243	return;
	244
	245	trace_drv_set_tsf(local, sdata, tsf);
	246	if (local->ops->set_tsf)
	247	local->ops->set_tsf(&local->hw, &sdata->vif, tsf);
	248	trace_drv_return_void(local);
	249	}
	250
354d381b PT	251	void drv_offset_tsf(struct ieee80211_local *local,
	252	struct ieee80211_sub_if_data *sdata,
	253	s64 offset)
	254	{
	255	might_sleep();
	256
	257	if (!check_sdata_in_driver(sdata))
	258	return;
	259
	260	trace_drv_offset_tsf(local, sdata, offset);
	261	if (local->ops->offset_tsf)
	262	local->ops->offset_tsf(&local->hw, &sdata->vif, offset);
	263	trace_drv_return_void(local);
	264	}
	265
416eb9fc DV	266	void drv_reset_tsf(struct ieee80211_local *local,
	267	struct ieee80211_sub_if_data *sdata)
	268	{
	269	might_sleep();
	270
	271	if (!check_sdata_in_driver(sdata))
	272	return;
	273
	274	trace_drv_reset_tsf(local, sdata);
	275	if (local->ops->reset_tsf)
	276	local->ops->reset_tsf(&local->hw, &sdata->vif);
	277	trace_drv_return_void(local);
	278	}
	279
efe9c2bf JB	280	int drv_assign_vif_chanctx(struct ieee80211_local *local,
	281	struct ieee80211_sub_if_data *sdata,
	282	struct ieee80211_bss_conf *link_conf,
	283	struct ieee80211_chanctx *ctx)
	284	{
	285	int ret = 0;
	286
	287	drv_verify_link_exists(sdata, link_conf);
	288	if (!check_sdata_in_driver(sdata))
	289	return -EIO;
	290
	291	if (sdata->vif.active_links &&
	292	!(sdata->vif.active_links & BIT(link_conf->link_id)))
	293	return 0;
	294
	295	trace_drv_assign_vif_chanctx(local, sdata, link_conf, ctx);
	296	if (local->ops->assign_vif_chanctx) {
	297	WARN_ON_ONCE(!ctx->driver_present);
	298	ret = local->ops->assign_vif_chanctx(&local->hw,
	299	&sdata->vif,
	300	link_conf,
	301	&ctx->conf);
	302	}
	303	trace_drv_return_int(local, ret);
	304
	305	return ret;
	306	}
	307
	308	void drv_unassign_vif_chanctx(struct ieee80211_local *local,
	309	struct ieee80211_sub_if_data *sdata,
	310	struct ieee80211_bss_conf *link_conf,
	311	struct ieee80211_chanctx *ctx)
	312	{
	313	might_sleep();
	314
	315	drv_verify_link_exists(sdata, link_conf);
	316	if (!check_sdata_in_driver(sdata))
	317	return;
	318
	319	if (sdata->vif.active_links &&
	320	!(sdata->vif.active_links & BIT(link_conf->link_id)))
	321	return;
	322
	323	trace_drv_unassign_vif_chanctx(local, sdata, link_conf, ctx);
	324	if (local->ops->unassign_vif_chanctx) {
	325	WARN_ON_ONCE(!ctx->driver_present);
	326	local->ops->unassign_vif_chanctx(&local->hw,
	327	&sdata->vif,
	328	link_conf,
	329	&ctx->conf);
	330	}
	331	trace_drv_return_void(local);
	332	}
	333
42677ed3 DV	334	int drv_switch_vif_chanctx(struct ieee80211_local *local,
	335	struct ieee80211_vif_chanctx_switch *vifs,
	336	int n_vifs, enum ieee80211_chanctx_switch_mode mode)
	337	{
	338	int ret = 0;
	339	int i;
	340
dcae9e02 C	341	might_sleep();
dcae9e02 C	342
42677ed3 DV	343	if (!local->ops->switch_vif_chanctx)
	344	return -EOPNOTSUPP;
	345
	346	for (i = 0; i < n_vifs; i++) {
	347	struct ieee80211_chanctx *new_ctx =
	348	container_of(vifs[i].new_ctx,
	349	struct ieee80211_chanctx,
	350	conf);
	351	struct ieee80211_chanctx *old_ctx =
	352	container_of(vifs[i].old_ctx,
	353	struct ieee80211_chanctx,
	354	conf);
	355
	356	WARN_ON_ONCE(!old_ctx->driver_present);
	357	WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
	358	new_ctx->driver_present) \|\|
	359	(mode == CHANCTX_SWMODE_REASSIGN_VIF &&
	360	!new_ctx->driver_present));
	361	}
	362
	363	trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
	364	ret = local->ops->switch_vif_chanctx(&local->hw,
	365	vifs, n_vifs, mode);
	366	trace_drv_return_int(local, ret);
	367
	368	if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
	369	for (i = 0; i < n_vifs; i++) {
	370	struct ieee80211_chanctx *new_ctx =
	371	container_of(vifs[i].new_ctx,
	372	struct ieee80211_chanctx,
	373	conf);
	374	struct ieee80211_chanctx *old_ctx =
	375	container_of(vifs[i].old_ctx,
	376	struct ieee80211_chanctx,
	377	conf);
	378
	379	new_ctx->driver_present = true;
	380	old_ctx->driver_present = false;
	381	}
	382	}
	383
	384	return ret;
	385	}
6db96838 DV	386
	387	int drv_ampdu_action(struct ieee80211_local *local,
	388	struct ieee80211_sub_if_data *sdata,
50ea05ef	389	struct ieee80211_ampdu_params *params)
6db96838 DV	390	{
	391	int ret = -EOPNOTSUPP;
	392
	393	might_sleep();
	394
69403bad AW	395	if (!sdata)
	396	return -EIO;
	397
6db96838 DV	398	sdata = get_bss_sdata(sdata);
	399	if (!check_sdata_in_driver(sdata))
	400	return -EIO;
	401
50ea05ef	402	trace_drv_ampdu_action(local, sdata, params);
6db96838 DV	403
6db96838 DV	404	if (local->ops->ampdu_action)
50ea05ef	405	ret = local->ops->ampdu_action(&local->hw, &sdata->vif, params);
6db96838 DV	406
	407	trace_drv_return_int(local, ret);
	408
	409	return ret;
	410	}
efe9c2bf JB	411
	412	void drv_link_info_changed(struct ieee80211_local *local,
	413	struct ieee80211_sub_if_data *sdata,
	414	struct ieee80211_bss_conf *info,
	415	int link_id, u64 changed)
	416	{
	417	might_sleep();
	418
	419	if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON \|
	420	BSS_CHANGED_BEACON_ENABLED) &&
	421	sdata->vif.type != NL80211_IFTYPE_AP &&
	422	sdata->vif.type != NL80211_IFTYPE_ADHOC &&
	423	sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
	424	sdata->vif.type != NL80211_IFTYPE_OCB))
	425	return;
	426
	427	if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE \|\|
	428	sdata->vif.type == NL80211_IFTYPE_NAN \|\|
	429	(sdata->vif.type == NL80211_IFTYPE_MONITOR &&
	430	!sdata->vif.bss_conf.mu_mimo_owner &&
	431	!(changed & BSS_CHANGED_TXPOWER))))
	432	return;
	433
	434	if (!check_sdata_in_driver(sdata))
	435	return;
	436
	437	if (sdata->vif.active_links &&
	438	!(sdata->vif.active_links & BIT(link_id)))
	439	return;
	440
	441	trace_drv_link_info_changed(local, sdata, info, changed);
	442	if (local->ops->link_info_changed)
	443	local->ops->link_info_changed(&local->hw, &sdata->vif,
	444	info, changed);
	445	else if (local->ops->bss_info_changed)
	446	local->ops->bss_info_changed(&local->hw, &sdata->vif,
	447	info, changed);
	448	trace_drv_return_void(local);
	449	}
	450
	451	int drv_set_key(struct ieee80211_local *local,
	452	enum set_key_cmd cmd,
	453	struct ieee80211_sub_if_data *sdata,
	454	struct ieee80211_sta *sta,
	455	struct ieee80211_key_conf *key)
	456	{
	457	int ret;
	458
	459	might_sleep();
	460
	461	sdata = get_bss_sdata(sdata);
	462	if (!check_sdata_in_driver(sdata))
	463	return -EIO;
	464
	465	if (WARN_ON(key->link_id >= 0 && sdata->vif.active_links &&
	466	!(sdata->vif.active_links & BIT(key->link_id))))
	467	return -ENOLINK;
	468
	469	trace_drv_set_key(local, cmd, sdata, sta, key);
	470	ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key);
	471	trace_drv_return_int(local, ret);
	472	return ret;
	473	}
	474
475	int drv_change_vif_links(struct ieee80211_local *local,
476	struct ieee80211_sub_if_data *sdata,
477	u16 old_links, u16 new_links,
478	struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS])
479	{
480	int ret = -EOPNOTSUPP;
481
482	might_sleep();
483
484	if (!check_sdata_in_driver(sdata))
485	return -EIO;
486
487	if (old_links == new_links)
488	return 0;
489
490	trace_drv_change_vif_links(local, sdata, old_links, new_links);
491	if (local->ops->change_vif_links)
492	ret = local->ops->change_vif_links(&local->hw, &sdata->vif,
493	old_links, new_links, old);
494	trace_drv_return_int(local, ret);
495
496	return ret;
497	}
498
499	int drv_change_sta_links(struct ieee80211_local *local,
500	struct ieee80211_sub_if_data *sdata,
501	struct ieee80211_sta *sta,
502	u16 old_links, u16 new_links)
503	{
d2caad52 BB	504	struct sta_info *info = container_of(sta, struct sta_info, sta);
	505	struct link_sta_info *link_sta;
	506	unsigned long links_to_add;
	507	unsigned long links_to_rem;
	508	unsigned int link_id;
efe9c2bf JB	509	int ret = -EOPNOTSUPP;
	510
	511	might_sleep();
	512
	513	if (!check_sdata_in_driver(sdata))
	514	return -EIO;
	515
	516	old_links &= sdata->vif.active_links;
	517	new_links &= sdata->vif.active_links;
	518
	519	if (old_links == new_links)
	520	return 0;
	521
d2caad52 BB	522	links_to_add = ~old_links & new_links;
	523	links_to_rem = old_links & ~new_links;
	524
	525	for_each_set_bit(link_id, &links_to_rem, IEEE80211_MLD_MAX_NUM_LINKS) {
	526	link_sta = rcu_dereference_protected(info->link[link_id],
	527	lockdep_is_held(&local->sta_mtx));
	528
	529	ieee80211_link_sta_debugfs_drv_remove(link_sta);
	530	}
	531
efe9c2bf JB	532	trace_drv_change_sta_links(local, sdata, sta, old_links, new_links);
	533	if (local->ops->change_sta_links)
	534	ret = local->ops->change_sta_links(&local->hw, &sdata->vif, sta,
	535	old_links, new_links);
	536	trace_drv_return_int(local, ret);
	537
d2caad52 BB	538	if (ret)
	539	return ret;
	540
	541	for_each_set_bit(link_id, &links_to_add, IEEE80211_MLD_MAX_NUM_LINKS) {
	542	link_sta = rcu_dereference_protected(info->link[link_id],
	543	lockdep_is_held(&local->sta_mtx));
	544	ieee80211_link_sta_debugfs_drv_add(link_sta);
	545	}
	546
	547	return 0;
efe9c2bf	548	}