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mac80211: Add initial support for EHT and 320 MHz channels 

Add initial support for EHT and 320 MHz bandwidth in mac80211.

As a new IEEE80211_STA_RX_BW_320 is added to
enum ieee80211_sta_rx_bandwidth, update the drivers to avoid
compilation warnings.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Link: https://lore.kernel.org/r/20220214173004.0f144cc0bba6.Iad18111264da87eed5fd7b017f0cc6e58c604e07@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2022-02-14 17:30:00 +01:00 committed by Johannes Berg
parent f0e6bea8bd
commit 5dca295dd7
9 changed files with 215 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/intel/iwlwifi/mvm/sta.c
View File

@ -87,6 +87,7 @@ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
}
switch (sta->bandwidth) {
case IEEE80211_STA_RX_BW_320:
case IEEE80211_STA_RX_BW_160:
add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_FAT_EN_160MHZ);
fallthrough;

1
drivers/net/wireless/mac80211_hwsim.c
View File

@ -2195,6 +2195,7 @@ mac80211_hwsim_sta_rc_update(struct ieee80211_hw *hw,
C(40);
C(80);
C(160);
C(320);
#undef C
}

2
include/net/mac80211.h
View File

@ -2005,6 +2005,7 @@ enum ieee80211_sta_state {
* @IEEE80211_STA_RX_BW_80: station can receive up to 80 MHz
* @IEEE80211_STA_RX_BW_160: station can receive up to 160 MHz
* (including 80+80 MHz)
* @IEEE80211_STA_RX_BW_320: station can receive up to 320 MHz
*
* Implementation note: 20 must be zero to be initialized
* correctly, the values must be sorted.
@ -2014,6 +2015,7 @@ enum ieee80211_sta_rx_bandwidth {
IEEE80211_STA_RX_BW_40,
IEEE80211_STA_RX_BW_80,
IEEE80211_STA_RX_BW_160,
IEEE80211_STA_RX_BW_320,
};
/**

5
net/mac80211/chan.c
View File

@ -218,6 +218,8 @@ static enum nl80211_chan_width ieee80211_get_sta_bw(struct sta_info *sta)
* might be smaller than the configured bw (160).
*/
return NL80211_CHAN_WIDTH_160;
case IEEE80211_STA_RX_BW_320:
return NL80211_CHAN_WIDTH_320;
default:
WARN_ON(1);
return NL80211_CHAN_WIDTH_20;
@ -417,7 +419,7 @@ static void ieee80211_change_chanctx(struct ieee80211_local *local,
{
u32 changed;
/* expected to handle only 20/40/80/160 channel widths */
/* expected to handle only 20/40/80/160/320 channel widths */
switch (chandef->width) {
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
@ -425,6 +427,7 @@ static void ieee80211_change_chanctx(struct ieee80211_local *local,
case NL80211_CHAN_WIDTH_80:
case NL80211_CHAN_WIDTH_80P80:
case NL80211_CHAN_WIDTH_160:
case NL80211_CHAN_WIDTH_320:
break;
default:
WARN_ON(1);

3
net/mac80211/ieee80211_i.h
View File

@ -366,6 +366,8 @@ enum ieee80211_sta_flags {
IEEE80211_STA_DISABLE_WMM = BIT(14),
IEEE80211_STA_ENABLE_RRM = BIT(15),
IEEE80211_STA_DISABLE_HE = BIT(16),
IEEE80211_STA_DISABLE_EHT = BIT(17),
IEEE80211_STA_DISABLE_320MHZ = BIT(18),
};
struct ieee80211_mgd_auth_data {
@ -2414,6 +2416,7 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info,
struct cfg80211_chan_def *chandef);
bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_he_operation *he_oper,
const struct ieee80211_eht_operation *eht_oper,
struct cfg80211_chan_def *chandef);
bool ieee80211_chandef_s1g_oper(const struct ieee80211_s1g_oper_ie *oper,
struct cfg80211_chan_def *chandef);

5
net/mac80211/mesh.c
View File

@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
* Copyright (C) 2018 - 2020 Intel Corporation
* Copyright (C) 2018 - 2021 Intel Corporation
* Authors: Luis Carlos Cobo <luisca@cozybit.com>
* Javier Cardona <javier@cozybit.com>
*/
@ -104,7 +104,8 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
ieee80211_chandef_vht_oper(&sdata->local->hw, vht_cap_info,
ie->vht_operation, ie->ht_operation,
&sta_chan_def);
ieee80211_chandef_he_6ghz_oper(sdata, ie->he_operation, &sta_chan_def);
ieee80211_chandef_he_6ghz_oper(sdata, ie->he_operation, NULL,
&sta_chan_def);
if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef,
&sta_chan_def))

109
net/mac80211/mlme.c
View File

@ -149,6 +149,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_ht_operation *ht_oper,
const struct ieee80211_vht_operation *vht_oper,
const struct ieee80211_he_operation *he_oper,
const struct ieee80211_eht_operation *eht_oper,
const struct ieee80211_s1g_oper_ie *s1g_oper,
struct cfg80211_chan_def *chandef, bool tracking)
{
@ -164,12 +165,14 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
chandef->freq1_offset = channel->freq_offset;
if (channel->band == NL80211_BAND_6GHZ) {
if (!ieee80211_chandef_he_6ghz_oper(sdata, he_oper, chandef)) {
if (!ieee80211_chandef_he_6ghz_oper(sdata, he_oper, eht_oper,
chandef)) {
mlme_dbg(sdata,
"bad 6 GHz operation, disabling HT/VHT/HE\n");
"bad 6 GHz operation, disabling HT/VHT/HE/EHT\n");
ret = IEEE80211_STA_DISABLE_HT |
IEEE80211_STA_DISABLE_VHT |
IEEE80211_STA_DISABLE_HE;
IEEE80211_STA_DISABLE_HE |
IEEE80211_STA_DISABLE_EHT;
} else {
ret = 0;
}
@ -196,7 +199,8 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
mlme_dbg(sdata, "HT operation missing / HT not supported\n");
ret = IEEE80211_STA_DISABLE_HT |
IEEE80211_STA_DISABLE_VHT |
IEEE80211_STA_DISABLE_HE;
IEEE80211_STA_DISABLE_HE |
IEEE80211_STA_DISABLE_EHT;
goto out;
}
@ -219,7 +223,8 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
ht_oper->primary_chan, channel->band);
ret = IEEE80211_STA_DISABLE_HT |
IEEE80211_STA_DISABLE_VHT |
IEEE80211_STA_DISABLE_HE;
IEEE80211_STA_DISABLE_HE |
IEEE80211_STA_DISABLE_EHT;
goto out;
}
@ -260,7 +265,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
sdata_info(sdata,
"HE AP VHT information is invalid, disabling HE\n");
ret = IEEE80211_STA_DISABLE_HE;
ret = IEEE80211_STA_DISABLE_HE | IEEE80211_STA_DISABLE_EHT;
goto out;
}
} else if (!ieee80211_chandef_vht_oper(&sdata->local->hw,
@ -340,7 +345,8 @@ out:
if (WARN_ON(chandef->width == NL80211_CHAN_WIDTH_20_NOHT)) {
ret = IEEE80211_STA_DISABLE_HT |
IEEE80211_STA_DISABLE_VHT |
IEEE80211_STA_DISABLE_HE;
IEEE80211_STA_DISABLE_HE |
IEEE80211_STA_DISABLE_EHT;
break;
}
@ -349,7 +355,11 @@ out:
if (!he_oper || !cfg80211_chandef_usable(sdata->wdev.wiphy, chandef,
IEEE80211_CHAN_NO_HE))
ret |= IEEE80211_STA_DISABLE_HE;
ret |= IEEE80211_STA_DISABLE_HE | IEEE80211_STA_DISABLE_EHT;
if (!eht_oper || !cfg80211_chandef_usable(sdata->wdev.wiphy, chandef,
IEEE80211_CHAN_NO_EHT))
ret |= IEEE80211_STA_DISABLE_EHT;
if (chandef->width != vht_chandef.width && !tracking)
sdata_info(sdata,
@ -366,6 +376,7 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_ht_operation *ht_oper,
const struct ieee80211_vht_operation *vht_oper,
const struct ieee80211_he_operation *he_oper,
const struct ieee80211_eht_operation *eht_oper,
const struct ieee80211_s1g_oper_ie *s1g_oper,
const u8 *bssid, u32 *changed)
{
@ -391,9 +402,16 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
/* don't check HE if we associated as non-HE station */
if (ifmgd->flags & IEEE80211_STA_DISABLE_HE ||
!ieee80211_get_he_iftype_cap(sband,
ieee80211_vif_type_p2p(&sdata->vif)))
ieee80211_vif_type_p2p(&sdata->vif))) {
he_oper = NULL;
eht_oper = NULL;
}
/* don't check EHT if we associated as non-EHT station */
if (ifmgd->flags & IEEE80211_STA_DISABLE_EHT ||
!ieee80211_get_eht_iftype_cap(sband,
ieee80211_vif_type_p2p(&sdata->vif)))
eht_oper = NULL;
if (WARN_ON_ONCE(!sta))
return -EINVAL;
@ -413,7 +431,8 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
/* calculate new channel (type) based on HT/VHT/HE operation IEs */
flags = ieee80211_determine_chantype(sdata, sband, chan, vht_cap_info,
ht_oper, vht_oper, he_oper,
ht_oper, vht_oper,
he_oper, eht_oper,
s1g_oper, &chandef, true);
/*
@ -447,9 +466,11 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
if (flags != (ifmgd->flags & (IEEE80211_STA_DISABLE_HT |
IEEE80211_STA_DISABLE_VHT |
IEEE80211_STA_DISABLE_HE |
IEEE80211_STA_DISABLE_EHT |
IEEE80211_STA_DISABLE_40MHZ |
IEEE80211_STA_DISABLE_80P80MHZ |
IEEE80211_STA_DISABLE_160MHZ)) ||
IEEE80211_STA_DISABLE_160MHZ |
IEEE80211_STA_DISABLE_320MHZ)) ||
!cfg80211_chandef_valid(&chandef)) {
sdata_info(sdata,
"AP %pM changed caps/bw in a way we can't support (0x%x/0x%x) - disconnect\n",
@ -990,13 +1011,14 @@ skip_rates:
&assoc_data->ap_vht_cap);
/*
* If AP doesn't support HT, mark HE as disabled.
* If AP doesn't support HT, mark HE and EHT as disabled.
* If on the 5GHz band, make sure it supports VHT.
*/
if (ifmgd->flags & IEEE80211_STA_DISABLE_HT ||
(sband->band == NL80211_BAND_5GHZ &&
ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
ifmgd->flags |= IEEE80211_STA_DISABLE_HE |
IEEE80211_STA_DISABLE_EHT;
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
ieee80211_add_he_ie(sdata, skb, sband);
@ -4258,6 +4280,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
if (ieee80211_config_bw(sdata, sta, elems->ht_cap_elem,
elems->vht_cap_elem, elems->ht_operation,
elems->vht_operation, elems->he_operation,
elems->eht_operation,
elems->s1g_oper, bssid, &changed)) {
mutex_unlock(&local->sta_mtx);
sdata_info(sdata,
@ -5185,6 +5208,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_ht_operation *ht_oper = NULL;
const struct ieee80211_vht_operation *vht_oper = NULL;
const struct ieee80211_he_operation *he_oper = NULL;
const struct ieee80211_eht_operation *eht_oper = NULL;
const struct ieee80211_s1g_oper_ie *s1g_oper = NULL;
struct ieee80211_supported_band *sband;
struct cfg80211_chan_def chandef;
@ -5215,22 +5239,31 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
/* disable HT/VHT/HE if we don't support them */
if (!sband->ht_cap.ht_supported && !is_6ghz) {
mlme_dbg(sdata, "HT not supported, disabling HT/VHT/HE\n");
mlme_dbg(sdata, "HT not supported, disabling HT/VHT/HE/EHT\n");
ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
ifmgd->flags |= IEEE80211_STA_DISABLE_EHT;
}
if (!sband->vht_cap.vht_supported && is_5ghz) {
mlme_dbg(sdata, "VHT not supported, disabling VHT/HE\n");
mlme_dbg(sdata, "VHT not supported, disabling VHT/HE/EHT\n");
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
ifmgd->flags |= IEEE80211_STA_DISABLE_EHT;
}
if (!ieee80211_get_he_iftype_cap(sband,
ieee80211_vif_type_p2p(&sdata->vif))) {
mlme_dbg(sdata, "HE not supported, disabling it\n");
mlme_dbg(sdata, "HE not supported, disabling HE and EHT\n");
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
ifmgd->flags |= IEEE80211_STA_DISABLE_EHT;
}
if (!ieee80211_get_eht_iftype_cap(sband,
ieee80211_vif_type_p2p(&sdata->vif))) {
mlme_dbg(sdata, "EHT not supported, disabling EHT\n");
ifmgd->flags |= IEEE80211_STA_DISABLE_EHT;
}
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) && !is_6ghz) {
@ -5252,6 +5285,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
ifmgd->flags |= IEEE80211_STA_DISABLE_EHT;
}
if (!elems->vht_cap_elem) {
@ -5291,7 +5325,29 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
if (!ieee80211_verify_peer_he_mcs_support(sdata, ies, he_oper) ||
!ieee80211_verify_sta_he_mcs_support(sdata, sband, he_oper))
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
ifmgd->flags |= IEEE80211_STA_DISABLE_HE |
IEEE80211_STA_DISABLE_EHT;
}
/*
* EHT requires HE to be supported as well. Specifically for 6 GHz
* channels, the operation channel information can only be deduced from
* both the 6 GHz operation information (from the HE operation IE) and
* EHT operation.
*/
if (!(ifmgd->flags & (IEEE80211_STA_DISABLE_HE |
IEEE80211_STA_DISABLE_EHT)) && he_oper) {
const struct cfg80211_bss_ies *ies;
const u8 *eht_oper_ie;
ies = rcu_dereference(cbss->ies);
eht_oper_ie = cfg80211_find_ext_ie(WLAN_EID_EXT_EHT_OPERATION,
ies->data, ies->len);
if (eht_oper_ie && eht_oper_ie[1] >=
1 + sizeof(struct ieee80211_eht_operation))
eht_oper = (void *)(eht_oper_ie + 3);
else
eht_oper = NULL;
}
/* Allow VHT if at least one channel on the sband supports 80 MHz */
@ -5320,7 +5376,8 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
ifmgd->flags |= ieee80211_determine_chantype(sdata, sband,
cbss->channel,
bss->vht_cap_info,
ht_oper, vht_oper, he_oper,
ht_oper, vht_oper,
he_oper, eht_oper,
s1g_oper,
&chandef, false);
@ -5811,6 +5868,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
ifmgd->flags |= IEEE80211_STA_DISABLE_EHT;
netdev_info(sdata->dev,
"disabling HT/VHT/HE due to WEP/TKIP use\n");
}
@ -5818,11 +5876,12 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
sband = local->hw.wiphy->bands[req->bss->channel->band];
/* also disable HT/VHT/HE if the AP doesn't use WMM */
/* also disable HT/VHT/HE/EHT if the AP doesn't use WMM */
if (!bss->wmm_used) {
ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
ifmgd->flags |= IEEE80211_STA_DISABLE_EHT;
netdev_info(sdata->dev,
"disabling HT/VHT/HE as WMM/QoS is not supported by the AP\n");
}
@ -5876,9 +5935,11 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
memcpy(&assoc_data->ap_vht_cap, vht_elem->data,
sizeof(struct ieee80211_vht_cap));
} else if (is_5ghz) {
sdata_info(sdata, "VHT capa missing/short, disabling VHT/HE\n");
sdata_info(sdata,
"VHT capa missing/short, disabling VHT/HE/EHT\n");
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT |
IEEE80211_STA_DISABLE_HE;
IEEE80211_STA_DISABLE_HE |
IEEE80211_STA_DISABLE_EHT;
}
rcu_read_unlock();
@ -5957,6 +6018,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
ifmgd->flags |= IEEE80211_STA_DISABLE_EHT;
}
if (req->flags & ASSOC_REQ_DISABLE_VHT) {
@ -5965,8 +6027,9 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
}
if (req->flags & ASSOC_REQ_DISABLE_HE) {
mlme_dbg(sdata, "HE disabled by flag, disabling VHT\n");
mlme_dbg(sdata, "HE disabled by flag, disabling HE/EHT\n");
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
ifmgd->flags |= IEEE80211_STA_DISABLE_EHT;
}
err = ieee80211_prep_connection(sdata, req->bss, true, override);

146
net/mac80211/util.c
View File

@ -3086,6 +3086,10 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
else
ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
break;
case NL80211_CHAN_WIDTH_320:
/* HT information element should not be included on 6GHz */
WARN_ON(1);
return pos;
default:
ht_oper->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
break;
@ -3125,6 +3129,10 @@ void ieee80211_ie_build_wide_bw_cs(u8 *pos,
case NL80211_CHAN_WIDTH_80P80:
*pos++ = IEEE80211_VHT_CHANWIDTH_80P80MHZ;
break;
case NL80211_CHAN_WIDTH_320:
/* The behavior is not defined for 320 MHz channels */
WARN_ON(1);
fallthrough;
default:
*pos++ = IEEE80211_VHT_CHANWIDTH_USE_HT;
}
@ -3177,6 +3185,10 @@ u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
case NL80211_CHAN_WIDTH_80:
vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80MHZ;
break;
case NL80211_CHAN_WIDTH_320:
/* VHT information element should not be included on 6GHz */
WARN_ON(1);
return pos;
default:
vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_USE_HT;
break;
@ -3237,6 +3249,13 @@ u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef)
he_6ghz_op->ccfs1 = 0;
switch (chandef->width) {
case NL80211_CHAN_WIDTH_320:
/*
* TODO: mesh operation is not defined over 6GHz 320 MHz
* channels.
*/
WARN_ON(1);
break;
case NL80211_CHAN_WIDTH_160:
/* Convert 160 MHz channel width to new style as interop
* workaround.
@ -3425,17 +3444,19 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info,
bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_he_operation *he_oper,
const struct ieee80211_eht_operation *eht_oper,
struct cfg80211_chan_def *chandef)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
enum nl80211_iftype iftype = ieee80211_vif_type_p2p(&sdata->vif);
const struct ieee80211_sta_he_cap *he_cap;
const struct ieee80211_sta_eht_cap *eht_cap;
struct cfg80211_chan_def he_chandef = *chandef;
const struct ieee80211_he_6ghz_oper *he_6ghz_oper;
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
bool support_80_80, support_160;
u8 he_phy_cap;
bool support_80_80, support_160, support_320;
u8 he_phy_cap, eht_phy_cap;
u32 freq;
if (chandef->chan->band != NL80211_BAND_6GHZ)
@ -3464,6 +3485,12 @@ bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
return false;
}
eht_cap = ieee80211_get_eht_iftype_cap(sband, iftype);
if (!eht_cap) {
sdata_info(sdata, "Missing iftype sband data/EHT cap");
eht_oper = NULL;
}
he_6ghz_oper = ieee80211_he_6ghz_oper(he_oper);
if (!he_6ghz_oper) {
@ -3473,6 +3500,11 @@ bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
return false;
}
/*
* The EHT operation IE does not contain the primary channel so the
* primary channel frequency should be taken from the 6 GHz operation
* information.
*/
freq = ieee80211_channel_to_frequency(he_6ghz_oper->primary,
NL80211_BAND_6GHZ);
he_chandef.chan = ieee80211_get_channel(sdata->local->hw.wiphy, freq);
@ -3490,43 +3522,80 @@ bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
break;
}
switch (u8_get_bits(he_6ghz_oper->control,
IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH)) {
case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_20;
break;
case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_40;
break;
case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_80;
break;
case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_80;
if (!he_6ghz_oper->ccfs1)
if (!eht_oper) {
switch (u8_get_bits(he_6ghz_oper->control,
IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH)) {
case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_20;
break;
case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_40;
break;
case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_80;
break;
case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_80;
if (!he_6ghz_oper->ccfs1)
break;
if (abs(he_6ghz_oper->ccfs1 - he_6ghz_oper->ccfs0) == 8) {
if (support_160)
he_chandef.width = NL80211_CHAN_WIDTH_160;
} else {
if (support_80_80)
he_chandef.width = NL80211_CHAN_WIDTH_80P80;
}
break;
if (abs(he_6ghz_oper->ccfs1 - he_6ghz_oper->ccfs0) == 8) {
if (support_160)
he_chandef.width = NL80211_CHAN_WIDTH_160;
} else {
if (support_80_80)
he_chandef.width = NL80211_CHAN_WIDTH_80P80;
}
break;
}
if (he_chandef.width == NL80211_CHAN_WIDTH_160) {
he_chandef.center_freq1 =
ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1,
NL80211_BAND_6GHZ);
} else {
he_chandef.center_freq1 =
ieee80211_channel_to_frequency(he_6ghz_oper->ccfs0,
NL80211_BAND_6GHZ);
if (support_80_80 || support_160)
he_chandef.center_freq2 =
if (he_chandef.width == NL80211_CHAN_WIDTH_160) {
he_chandef.center_freq1 =
ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1,
NL80211_BAND_6GHZ);
} else {
he_chandef.center_freq1 =
ieee80211_channel_to_frequency(he_6ghz_oper->ccfs0,
NL80211_BAND_6GHZ);
if (support_80_80 || support_160)
he_chandef.center_freq2 =
ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1,
NL80211_BAND_6GHZ);
}
} else {
eht_phy_cap = eht_cap->eht_cap_elem.phy_cap_info[0];
support_320 =
eht_phy_cap & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ;
switch (u8_get_bits(eht_oper->chan_width,
IEEE80211_EHT_OPER_CHAN_WIDTH)) {
case IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_20;
break;
case IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_40;
break;
case IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ:
he_chandef.width = NL80211_CHAN_WIDTH_80;
break;
case IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ:
if (support_160)
he_chandef.width = NL80211_CHAN_WIDTH_160;
else
he_chandef.width = NL80211_CHAN_WIDTH_80;
break;
case IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ:
if (support_320)
he_chandef.width = NL80211_CHAN_WIDTH_320;
else if (support_160)
he_chandef.width = NL80211_CHAN_WIDTH_160;
else
he_chandef.width = NL80211_CHAN_WIDTH_80;
break;
}
he_chandef.center_freq1 =
ieee80211_channel_to_frequency(eht_oper->ccfs,
NL80211_BAND_6GHZ);
}
if (!cfg80211_chandef_valid(&he_chandef)) {
@ -3998,6 +4067,15 @@ u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c)
ret = IEEE80211_STA_DISABLE_80P80MHZ |
IEEE80211_STA_DISABLE_160MHZ;
break;
case NL80211_CHAN_WIDTH_320:
/* n_P20 */
tmp = (150 + c->chan->center_freq - c->center_freq1) / 20;
/* n_P160 */
tmp /= 80;
c->center_freq1 = c->center_freq1 - 80 + 160 * tmp;
c->width = NL80211_CHAN_WIDTH_160;
ret = IEEE80211_STA_DISABLE_320MHZ;
break;
default:
case NL80211_CHAN_WIDTH_20_NOHT:
WARN_ON_ONCE(1);

4
net/mac80211/vht.c
View File

@ -4,7 +4,7 @@
*
* Portions of this file
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
* Copyright (C) 2018 - 2020 Intel Corporation
* Copyright (C) 2018 - 2021 Intel Corporation
*/
#include <linux/ieee80211.h>
@ -445,6 +445,8 @@ ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width)
case NL80211_CHAN_WIDTH_160:
case NL80211_CHAN_WIDTH_80P80:
return IEEE80211_STA_RX_BW_160;
case NL80211_CHAN_WIDTH_320:
return IEEE80211_STA_RX_BW_320;
default:
WARN_ON_ONCE(1);
return IEEE80211_STA_RX_BW_20;