linux/net/mac80211/vht.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * VHT handling
 *
 * Portions of this file
 * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
 * Copyright (C) 2018 - 2024 Intel Corporation
 */

#include <linux/ieee80211.h>
#include <linux/export.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "rate.h"


static void __check_vhtcap_disable(struct ieee80211_sub_if_data *sdata,
				   struct ieee80211_sta_vht_cap *vht_cap,
				   u32 flag)
{ … }

void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
				      struct ieee80211_sta_vht_cap *vht_cap)
{ … }

void
ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
				    struct ieee80211_supported_band *sband,
				    const struct ieee80211_vht_cap *vht_cap_ie,
				    const struct ieee80211_vht_cap *vht_cap_ie2,
				    struct link_sta_info *link_sta)
{ … }

/* FIXME: move this to some better location - parses HE/EHT now */
enum ieee80211_sta_rx_bandwidth
_ieee80211_sta_cap_rx_bw(struct link_sta_info *link_sta,
			 struct cfg80211_chan_def *chandef)
{ … }

enum nl80211_chan_width
ieee80211_sta_cap_chan_bw(struct link_sta_info *link_sta)
{ … }

enum nl80211_chan_width
ieee80211_sta_rx_bw_to_chan_width(struct link_sta_info *link_sta)
{ … }

enum ieee80211_sta_rx_bandwidth
ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width)
{ … }

/* FIXME: rename/move - this deals with everything not just VHT */
enum ieee80211_sta_rx_bandwidth
_ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta,
			  struct cfg80211_chan_def *chandef)
{ … }

void ieee80211_sta_init_nss(struct link_sta_info *link_sta)
{ … }

u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
				  struct link_sta_info *link_sta,
				  u8 opmode, enum nl80211_band band)
{ … }

void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
				 struct ieee80211_link_data *link,
				 struct ieee80211_mgmt *mgmt)
{ … }

void ieee80211_update_mu_groups(struct ieee80211_vif *vif, unsigned int link_id,
				const u8 *membership, const u8 *position)
{ … }
EXPORT_SYMBOL_GPL(…);

void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
				 struct link_sta_info *link_sta,
				 u8 opmode, enum nl80211_band band)
{ … }

void ieee80211_get_vht_mask_from_cap(__le16 vht_cap,
				     u16 vht_mask[NL80211_VHT_NSS_MAX])
{ … }