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authorJakub Kicinski <kuba@kernel.org>2022-03-11 13:00:16 -0800
committerJakub Kicinski <kuba@kernel.org>2022-03-11 13:00:17 -0800
commit0b3660695e80d53d1bab5b458f3a897a2c427a59 (patch)
tree97e56413a1e6ff95648ff2b93f75c5ee41af2a7b /net
parent59d5923536ac8640f4ff20d011a4851a3c143764 (diff)
parent7d352ccf1e9935b5222ca84e8baeb07a0c8f94b9 (diff)
Merge tag 'wireless-next-2022-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says: ==================== brcmfmac * add BCM43454/6 support rtw89 * add support for 160 MHz channels and 6 GHz band * hardware scan support iwlwifi * support UHB TAS enablement via BIOS * remove a bunch of W=1 warnings * add support for channel switch offload * support 32 Rx AMPDU sessions in newer devices * add support for a couple of new devices * add support for band disablement via BIOS mt76 * mt7915 thermal management improvements * SAR support for more mt76 drivers * mt7986 wmac support on mt7915 ath11k * debugfs interface to configure firmware debug log level * debugfs interface to test Target Wake Time (TWT) * provide 802.11ax High Efficiency (HE) data via radiotap ath9k * use hw_random API instead of directly dumping into random.c wcn36xx * fix wcn3660 to work on 5 GHz band ath6kl * add device ID for WLU5150-D81 cfg80211/mac80211 * initial EHT (from 802.11be) support (EHT rates, 320 MHz, larger block-ack) * support disconnect on HW restart * tag 'wireless-next-2022-03-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (247 commits) mac80211: Add support to trigger sta disconnect on hardware restart mac80211: fix potential double free on mesh join mac80211: correct legacy rates check in ieee80211_calc_rx_airtime nl80211: fix typo of NL80211_IF_TYPE_OCB in documentation mac80211: Use GFP_KERNEL instead of GFP_ATOMIC when possible mac80211: replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE rtw89: 8852c: process logic efuse map rtw89: 8852c: process efuse of phycap rtw89: support DAV efuse reading operation rtw89: 8852c: add chip::dle_mem rtw89: add page_regs to handle v1 chips rtw89: add chip_info::{h2c,c2h}_reg to support more chips rtw89: add hci_func_en_addr to support variant generation rtw89: add power_{on/off}_func rtw89: read chip version depends on chip ID rtw89: pci: use a struct to describe all registers address related to DMA channel rtw89: pci: add V1 of PCI channel address rtw89: pci: add struct rtw89_pci_info rtw89: 8852c: add 8852c empty files MAINTAINERS: add devicetree bindings entry for mt76 ... ==================== Link: https://lore.kernel.org/r/20220311124029.213470-1-johannes@sipsolutions.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/Makefile3
-rw-r--r--net/mac80211/agg-rx.c20
-rw-r--r--net/mac80211/airtime.c4
-rw-r--r--net/mac80211/cfg.c11
-rw-r--r--net/mac80211/chan.c5
-rw-r--r--net/mac80211/eht.c76
-rw-r--r--net/mac80211/ieee80211_i.h21
-rw-r--r--net/mac80211/main.c14
-rw-r--r--net/mac80211/mesh.c7
-rw-r--r--net/mac80211/mlme.c184
-rw-r--r--net/mac80211/util.c271
-rw-r--r--net/mac80211/vht.c34
-rw-r--r--net/wireless/chan.c91
-rw-r--r--net/wireless/nl80211.c137
-rw-r--r--net/wireless/reg.c6
-rw-r--r--net/wireless/util.c131
16 files changed, 907 insertions, 108 deletions
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 23d25e8b2358..af1df3a6bd55 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -34,7 +34,8 @@ mac80211-y := \
trace.o mlme.o \
tdls.o \
ocb.o \
- airtime.o
+ airtime.o \
+ eht.o
mac80211-$(CONFIG_MAC80211_LEDS) += led.o
mac80211-$(CONFIG_MAC80211_DEBUGFS) += \
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 7d2925bb966e..218cdc554d71 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -180,7 +180,8 @@ static void sta_rx_agg_reorder_timer_expired(struct timer_list *t)
static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
- const struct ieee80211_addba_ext_ie *req)
+ const struct ieee80211_addba_ext_ie *req,
+ u16 buf_size)
{
struct ieee80211_supported_band *sband;
struct ieee80211_addba_ext_ie *resp;
@@ -210,6 +211,8 @@ static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata,
frag_level = cap_frag_level;
resp->data |= u8_encode_bits(frag_level,
IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK);
+ resp->data |= u8_encode_bits(buf_size >> IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT,
+ IEEE80211_ADDBA_EXT_BUF_SIZE_MASK);
}
static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid,
@@ -261,7 +264,7 @@ static void ieee80211_send_addba_resp(struct sta_info *sta, u8 *da, u16 tid,
mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
if (sta->sta.he_cap.has_he && addbaext)
- ieee80211_add_addbaext(sdata, skb, addbaext);
+ ieee80211_add_addbaext(sdata, skb, addbaext, buf_size);
ieee80211_tx_skb(sdata, skb);
}
@@ -309,8 +312,10 @@ void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
goto end;
}
- if (sta->sta.he_cap.has_he)
- max_buf_size = IEEE80211_MAX_AMPDU_BUF;
+ if (sta->sta.eht_cap.has_eht)
+ max_buf_size = IEEE80211_MAX_AMPDU_BUF_EHT;
+ else if (sta->sta.he_cap.has_he)
+ max_buf_size = IEEE80211_MAX_AMPDU_BUF_HE;
else
max_buf_size = IEEE80211_MAX_AMPDU_BUF_HT;
@@ -502,6 +507,13 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
goto free;
}
+ if (sta->sta.eht_cap.has_eht && elems && elems->addba_ext_ie) {
+ u8 buf_size_1k = u8_get_bits(elems->addba_ext_ie->data,
+ IEEE80211_ADDBA_EXT_BUF_SIZE_MASK);
+
+ buf_size |= buf_size_1k << IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT;
+ }
+
__ieee80211_start_rx_ba_session(sta, dialog_token, timeout,
start_seq_num, ba_policy, tid,
buf_size, true, false,
diff --git a/net/mac80211/airtime.c b/net/mac80211/airtime.c
index 64e8ce9760b9..2619e12c8bda 100644
--- a/net/mac80211/airtime.c
+++ b/net/mac80211/airtime.c
@@ -472,7 +472,9 @@ u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw,
bool sp = status->enc_flags & RX_ENC_FLAG_SHORTPRE;
bool cck;
- if (WARN_ON_ONCE(status->band > NL80211_BAND_5GHZ))
+ /* on 60GHz or sub-1GHz band, there are no legacy rates */
+ if (WARN_ON_ONCE(status->band == NL80211_BAND_60GHZ ||
+ status->band == NL80211_BAND_S1GHZ))
return 0;
sband = hw->wiphy->bands[status->band];
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 87a208089caf..3c6d62cfbaf1 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1716,6 +1716,14 @@ static int sta_apply_parameters(struct ieee80211_local *local,
(void *)params->he_6ghz_capa,
sta);
+ if (params->eht_capa)
+ ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband,
+ (u8 *)params->he_capa,
+ params->he_capa_len,
+ params->eht_capa,
+ params->eht_capa_len,
+ sta);
+
if (params->opmode_notif_used) {
/* returned value is only needed for rc update, but the
* rc isn't initialized here yet, so ignore it
@@ -2148,14 +2156,12 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
const struct mesh_setup *setup)
{
u8 *new_ie;
- const u8 *old_ie;
struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
struct ieee80211_sub_if_data, u.mesh);
int i;
/* allocate information elements */
new_ie = NULL;
- old_ie = ifmsh->ie;
if (setup->ie_len) {
new_ie = kmemdup(setup->ie, setup->ie_len,
@@ -2165,7 +2171,6 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
}
ifmsh->ie_len = setup->ie_len;
ifmsh->ie = new_ie;
- kfree(old_ie);
/* now copy the rest of the setup parameters */
ifmsh->mesh_id_len = setup->mesh_id_len;
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 76fc36a68750..e26d42de14ec 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -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);
diff --git a/net/mac80211/eht.c b/net/mac80211/eht.c
new file mode 100644
index 000000000000..364ad0ef7692
--- /dev/null
+++ b/net/mac80211/eht.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * EHT handling
+ *
+ * Copyright(c) 2021-2022 Intel Corporation
+ */
+
+#include "ieee80211_i.h"
+
+void
+ieee80211_eht_cap_ie_to_sta_eht_cap(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_supported_band *sband,
+ const u8 *he_cap_ie, u8 he_cap_len,
+ const struct ieee80211_eht_cap_elem *eht_cap_ie_elem,
+ u8 eht_cap_len, struct sta_info *sta)
+{
+ struct ieee80211_sta_eht_cap *eht_cap = &sta->sta.eht_cap;
+ struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie;
+ u8 eht_ppe_size = 0;
+ u8 mcs_nss_size;
+ u8 eht_total_size = sizeof(eht_cap->eht_cap_elem);
+ u8 *pos = (u8 *)eht_cap_ie_elem;
+
+ memset(eht_cap, 0, sizeof(*eht_cap));
+
+ if (!eht_cap_ie_elem ||
+ !ieee80211_get_eht_iftype_cap(sband,
+ ieee80211_vif_type_p2p(&sdata->vif)))
+ return;
+
+ mcs_nss_size = ieee80211_eht_mcs_nss_size(he_cap_ie_elem,
+ &eht_cap_ie_elem->fixed);
+
+ eht_total_size += mcs_nss_size;
+
+ /* Calculate the PPE thresholds length only if the header is present */
+ if (eht_cap_ie_elem->fixed.phy_cap_info[5] &
+ IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
+ u16 eht_ppe_hdr;
+
+ if (eht_cap_len < eht_total_size + sizeof(u16))
+ return;
+
+ eht_ppe_hdr = get_unaligned_le16(eht_cap_ie_elem->optional + mcs_nss_size);
+ eht_ppe_size =
+ ieee80211_eht_ppe_size(eht_ppe_hdr,
+ eht_cap_ie_elem->fixed.phy_cap_info);
+ eht_total_size += eht_ppe_size;
+
+ /* we calculate as if NSS > 8 are valid, but don't handle that */
+ if (eht_ppe_size > sizeof(eht_cap->eht_ppe_thres))
+ return;
+ }
+
+ if (eht_cap_len < eht_total_size)
+ return;
+
+ /* Copy the static portion of the EHT capabilities */
+ memcpy(&eht_cap->eht_cap_elem, pos, sizeof(eht_cap->eht_cap_elem));
+ pos += sizeof(eht_cap->eht_cap_elem);
+
+ /* Copy MCS/NSS which depends on the peer capabilities */
+ memset(&eht_cap->eht_mcs_nss_supp, 0,
+ sizeof(eht_cap->eht_mcs_nss_supp));
+ memcpy(&eht_cap->eht_mcs_nss_supp, pos, mcs_nss_size);
+
+ if (eht_ppe_size)
+ memcpy(eht_cap->eht_ppe_thres,
+ &eht_cap_ie_elem->optional[mcs_nss_size],
+ eht_ppe_size);
+
+ eht_cap->has_eht = true;
+
+ sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(sta);
+ sta->sta.bandwidth = ieee80211_sta_cur_vht_bw(sta);
+}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 95aaf00c876c..01b69109402e 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -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 {
@@ -765,6 +767,8 @@ struct ieee80211_if_mesh {
* back to wireless media and to the local net stack.
* @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
* @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver
+ * @IEEE80211_SDATA_DISCONNECT_HW_RESTART: Disconnect after hardware restart
+ * recovery
*/
enum ieee80211_sub_if_data_flags {
IEEE80211_SDATA_ALLMULTI = BIT(0),
@@ -772,6 +776,7 @@ enum ieee80211_sub_if_data_flags {
IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
IEEE80211_SDATA_IN_DRIVER = BIT(5),
+ IEEE80211_SDATA_DISCONNECT_HW_RESTART = BIT(6),
};
/**
@@ -1587,6 +1592,8 @@ struct ieee802_11_elems {
const struct ieee80211_s1g_oper_ie *s1g_oper;
const struct ieee80211_s1g_bcn_compat_ie *s1g_bcn_compat;
const struct ieee80211_aid_response_ie *aid_resp;
+ const struct ieee80211_eht_cap_elem *eht_cap;
+ const struct ieee80211_eht_operation *eht_operation;
/* length of them, respectively */
u8 ext_capab_len;
@@ -1608,6 +1615,7 @@ struct ieee802_11_elems {
u8 bssid_index_len;
u8 tx_pwr_env_len[IEEE80211_TPE_MAX_IE_COUNT];
u8 tx_pwr_env_num;
+ u8 eht_cap_len;
/* whether a parse error occurred while retrieving these elements */
bool parse_error;
@@ -2411,6 +2419,7 @@ 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);
@@ -2514,4 +2523,16 @@ u32 ieee80211_calc_expected_tx_airtime(struct ieee80211_hw *hw,
void ieee80211_init_frag_cache(struct ieee80211_fragment_cache *cache);
void ieee80211_destroy_frag_cache(struct ieee80211_fragment_cache *cache);
+u8 ieee80211_ie_len_eht_cap(struct ieee80211_sub_if_data *sdata, u8 iftype);
+u8 *ieee80211_ie_build_eht_cap(u8 *pos,
+ const struct ieee80211_sta_he_cap *he_cap,
+ const struct ieee80211_sta_eht_cap *eht_cap,
+ u8 *end);
+
+void
+ieee80211_eht_cap_ie_to_sta_eht_cap(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_supported_band *sband,
+ const u8 *he_cap_ie, u8 he_cap_len,
+ const struct ieee80211_eht_cap_elem *eht_cap_ie_elem,
+ u8 eht_cap_len, struct sta_info *sta);
#endif /* IEEE80211_I_H */
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 5311c3cd3050..a48a32f87897 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -909,7 +909,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
int result, i;
enum nl80211_band band;
int channels, max_bitrates;
- bool supp_ht, supp_vht, supp_he;
+ bool supp_ht, supp_vht, supp_he, supp_eht;
struct cfg80211_chan_def dflt_chandef = {};
if (ieee80211_hw_check(hw, QUEUE_CONTROL) &&
@@ -978,6 +978,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
supp_ht = false;
supp_vht = false;
supp_he = false;
+ supp_eht = false;
for (band = 0; band < NUM_NL80211_BANDS; band++) {
struct ieee80211_supported_band *sband;
@@ -1021,6 +1022,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
iftd = &sband->iftype_data[i];
supp_he = supp_he || iftd->he_cap.has_he;
+ supp_eht = supp_eht || iftd->eht_cap.has_eht;
}
/* HT, VHT, HE require QoS, thus >= 4 queues */
@@ -1028,6 +1030,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
(supp_ht || supp_vht || supp_he)))
return -EINVAL;
+ /* EHT requires HE support */
+ if (WARN_ON(supp_eht && !supp_he))
+ return -EINVAL;
+
if (!sband->ht_cap.ht_supported)
continue;
@@ -1138,6 +1144,12 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
3 + sizeof(struct ieee80211_he_cap_elem) +
sizeof(struct ieee80211_he_mcs_nss_supp) +
IEEE80211_HE_PPE_THRES_MAX_LEN;
+
+ if (supp_eht)
+ local->scan_ies_len +=
+ 3 + sizeof(struct ieee80211_eht_cap_elem) +
+ sizeof(struct ieee80211_eht_mcs_nss_supp) +
+ IEEE80211_EHT_PPE_THRES_MAX_LEN;
}
if (!local->ops->hw_scan) {
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 6847fdf93439..5275f4f32a78 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -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))
@@ -852,7 +853,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
bcn = kzalloc(sizeof(*bcn) + head_len + tail_len, GFP_KERNEL);
/* need an skb for IE builders to operate on */
- skb = dev_alloc_skb(max(head_len, tail_len));
+ skb = __dev_alloc_skb(max(head_len, tail_len), GFP_KERNEL);
if (!bcn || !skb)
goto out_free;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 950be0f43b53..476b21365058 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -150,6 +150,7 @@ 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)
{
@@ -165,12 +166,14 @@ 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;
}
@@ -197,7 +200,8 @@ 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;
}
@@ -220,7 +224,8 @@ 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;
}
@@ -261,7 +266,7 @@ 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,
@@ -341,7 +346,8 @@ 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;
}
@@ -350,7 +356,11 @@ 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,
@@ -367,6 +377,7 @@ 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)
{
@@ -392,9 +403,16 @@ 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;
@@ -414,7 +432,8 @@ 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);
/*
@@ -448,9 +467,11 @@ 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",
@@ -672,6 +693,48 @@ static void ieee80211_add_he_ie(struct ieee80211_sub_if_data *sdata,
ieee80211_ie_build_he_6ghz_cap(sdata, skb);
}
+static void ieee80211_add_eht_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb,
+ struct ieee80211_supported_band *sband)
+{
+ u8 *pos;
+ const struct ieee80211_sta_he_cap *he_cap;
+ const struct ieee80211_sta_eht_cap *eht_cap;
+ struct ieee80211_chanctx_conf *chanctx_conf;
+ u8 eht_cap_size;
+ bool reg_cap = false;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ if (!WARN_ON_ONCE(!chanctx_conf))
+ reg_cap = cfg80211_chandef_usable(sdata->wdev.wiphy,
+ &chanctx_conf->def,
+ IEEE80211_CHAN_NO_HE |
+ IEEE80211_CHAN_NO_EHT);
+ rcu_read_unlock();
+
+ he_cap = ieee80211_get_he_iftype_cap(sband,
+ ieee80211_vif_type_p2p(&sdata->vif));
+ eht_cap = ieee80211_get_eht_iftype_cap(sband,
+ ieee80211_vif_type_p2p(&sdata->vif));
+
+ /*
+ * EHT capabilities element is only added if the HE capabilities element
+ * was added so assume that 'he_cap' is valid and don't check it.
+ */
+ if (WARN_ON(!he_cap || !eht_cap || !reg_cap))
+ return;
+
+ eht_cap_size =
+ 2 + 1 + sizeof(eht_cap->eht_cap_elem) +
+ ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
+ &eht_cap->eht_cap_elem) +
+ ieee80211_eht_ppe_size(eht_cap->eht_ppe_thres[0],
+ eht_cap->eht_cap_elem.phy_cap_info);
+ pos = skb_put(skb, eht_cap_size);
+ ieee80211_ie_build_eht_cap(pos, he_cap, eht_cap, pos + eht_cap_size);
+}
+
static int ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
@@ -992,17 +1055,22 @@ 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))
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE)) {
ieee80211_add_he_ie(sdata, skb, sband);
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_EHT))
+ ieee80211_add_eht_ie(sdata, skb, sband);
+ }
+
/* if present, add any custom non-vendor IEs that go after HE */
if (assoc_data->ie_len) {
noffset = ieee80211_ie_split_vendor(assoc_data->ie,
@@ -3529,10 +3597,25 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
bss_conf->twt_protected = false;
changed |= ieee80211_recalc_twt_req(sdata, sta, elems);
+
+ if (elems->eht_operation && elems->eht_cap &&
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_EHT)) {
+ ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband,
+ elems->he_cap,
+ elems->he_cap_len,
+ elems->eht_cap,
+ elems->eht_cap_len,
+ sta);
+
+ bss_conf->eht_support = sta->sta.eht_cap.has_eht;
+ } else {
+ bss_conf->eht_support = false;
+ }
} else {
bss_conf->he_support = false;
bss_conf->twt_requester = false;
bss_conf->twt_protected = false;
+ bss_conf->eht_support = false;
}
bss_conf->twt_broadcast =
@@ -4276,6 +4359,7 @@ 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,
@@ -4871,6 +4955,18 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
sdata_unlock(sdata);
return;
}
+
+ if (sdata->flags & IEEE80211_SDATA_DISCONNECT_HW_RESTART) {
+ sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_HW_RESTART;
+ mlme_dbg(sdata, "driver requested disconnect after hardware restart\n");
+ ieee80211_sta_connection_lost(sdata,
+ ifmgd->associated->bssid,
+ WLAN_REASON_UNSPECIFIED,
+ true);
+ sdata_unlock(sdata);
+ return;
+ }
+
sdata_unlock(sdata);
}
#endif
@@ -5206,6 +5302,7 @@ 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;
@@ -5236,22 +5333,31 @@ 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) {
@@ -5273,6 +5379,7 @@ 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) {
@@ -5312,7 +5419,29 @@ 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 */
@@ -5341,7 +5470,8 @@ 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);
@@ -5832,6 +5962,7 @@ 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");
}
@@ -5839,11 +5970,12 @@ 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");
}
@@ -5897,9 +6029,11 @@ 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();
@@ -5978,6 +6112,7 @@ 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) {
@@ -5986,8 +6121,9 @@ 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);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index abc29df6834c..682a164f795a 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -973,8 +973,10 @@ static void ieee80211_parse_extension_element(u32 *crc,
}
break;
case WLAN_EID_EXT_HE_CAPABILITY:
- elems->he_cap = data;
- elems->he_cap_len = len;
+ if (ieee80211_he_capa_size_ok(data, len)) {
+ elems->he_cap = data;
+ elems->he_cap_len = len;
+ }
break;
case WLAN_EID_EXT_HE_OPERATION:
if (len >= sizeof(*elems->he_operation) &&
@@ -1006,6 +1008,17 @@ static void ieee80211_parse_extension_element(u32 *crc,
if (len >= sizeof(*elems->he_6ghz_capa))
elems->he_6ghz_capa = data;
break;
+ case WLAN_EID_EXT_EHT_CAPABILITY:
+ if (ieee80211_eht_capa_size_ok(elems->he_cap,
+ data, len)) {
+ elems->eht_cap = data;
+ elems->eht_cap_len = len;
+ }
+ break;
+ case WLAN_EID_EXT_EHT_OPERATION:
+ if (ieee80211_eht_oper_size_ok(data, len))
+ elems->eht_operation = data;
+ break;
}
}
@@ -1799,6 +1812,7 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
const struct ieee80211_sta_he_cap *he_cap;
+ const struct ieee80211_sta_eht_cap *eht_cap;
u8 *pos = buffer, *end = buffer + buffer_len;
size_t noffset;
int supp_rates_len, i;
@@ -1979,6 +1993,18 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_sub_if_data *sdata,
goto out_err;
}
+ eht_cap = ieee80211_get_eht_iftype_cap(sband,
+ ieee80211_vif_type_p2p(&sdata->vif));
+
+ if (eht_cap &&
+ cfg80211_any_usable_channels(local->hw.wiphy, BIT(sband->band),
+ IEEE80211_CHAN_NO_HE |
+ IEEE80211_CHAN_NO_EHT)) {
+ pos = ieee80211_ie_build_eht_cap(pos, he_cap, eht_cap, end);
+ if (!pos)
+ goto out_err;
+ }
+
if (cfg80211_any_usable_channels(local->hw.wiphy,
BIT(NL80211_BAND_6GHZ),
IEEE80211_CHAN_NO_HE)) {
@@ -2321,6 +2347,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
struct cfg80211_sched_scan_request *sched_scan_req;
bool sched_scan_stopped = false;
bool suspended = local->suspended;
+ bool in_reconfig = false;
/* nothing to do if HW shouldn't run */
if (!local->open_count)
@@ -2672,6 +2699,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_RESTART);
if (local->in_reconfig) {
+ in_reconfig = local->in_reconfig;
local->in_reconfig = false;
barrier();
@@ -2689,6 +2717,15 @@ int ieee80211_reconfig(struct ieee80211_local *local)
IEEE80211_QUEUE_STOP_REASON_SUSPEND,
false);
+ if (in_reconfig) {
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ ieee80211_sta_restart(sdata);
+ }
+ }
+
if (!suspended)
return 0;
@@ -2718,7 +2755,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
return 0;
}
-void ieee80211_resume_disconnect(struct ieee80211_vif *vif)
+static void ieee80211_reconfig_disconnect(struct ieee80211_vif *vif, u8 flag)
{
struct ieee80211_sub_if_data *sdata;
struct ieee80211_local *local;
@@ -2730,19 +2767,35 @@ void ieee80211_resume_disconnect(struct ieee80211_vif *vif)
sdata = vif_to_sdata(vif);
local = sdata->local;
- if (WARN_ON(!local->resuming))
+ if (WARN_ON(flag & IEEE80211_SDATA_DISCONNECT_RESUME &&
+ !local->resuming))
+ return;
+
+ if (WARN_ON(flag & IEEE80211_SDATA_DISCONNECT_HW_RESTART &&
+ !local->in_reconfig))
return;
if (WARN_ON(vif->type != NL80211_IFTYPE_STATION))
return;
- sdata->flags |= IEEE80211_SDATA_DISCONNECT_RESUME;
+ sdata->flags |= flag;
mutex_lock(&local->key_mtx);
list_for_each_entry(key, &sdata->key_list, list)
key->flags |= KEY_FLAG_TAINTED;
mutex_unlock(&local->key_mtx);
}
+
+void ieee80211_hw_restart_disconnect(struct ieee80211_vif *vif)
+{
+ ieee80211_reconfig_disconnect(vif, IEEE80211_SDATA_DISCONNECT_HW_RESTART);
+}
+EXPORT_SYMBOL_GPL(ieee80211_hw_restart_disconnect);
+
+void ieee80211_resume_disconnect(struct ieee80211_vif *vif)
+{
+ ieee80211_reconfig_disconnect(vif, IEEE80211_SDATA_DISCONNECT_RESUME);
+}
EXPORT_SYMBOL_GPL(ieee80211_resume_disconnect);
void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata)
@@ -3073,6 +3126,10 @@ 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;
@@ -3112,6 +3169,10 @@ 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;
}
@@ -3164,6 +3225,10 @@ 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;
@@ -3224,6 +3289,13 @@ 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.
@@ -3412,17 +3484,19 @@ 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)
@@ -3451,6 +3525,12 @@ 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) {
@@ -3460,6 +3540,11 @@ 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);
@@ -3477,43 +3562,80 @@ 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;
- if (abs(he_6ghz_oper->ccfs1 - he_6ghz_oper->ccfs0) == 8) {
+ 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 (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 {
- if (support_80_80)
- he_chandef.width = NL80211_CHAN_WIDTH_80P80;
+ 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;
}
- 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,
+ ieee80211_channel_to_frequency(eht_oper->ccfs,
NL80211_BAND_6GHZ);
- if (support_80_80 || support_160)
- he_chandef.center_freq2 =
- ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1,
- NL80211_BAND_6GHZ);
}
if (!cfg80211_chandef_valid(&he_chandef)) {
@@ -3985,6 +4107,15 @@ 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);
@@ -4649,3 +4780,69 @@ u16 ieee80211_encode_usf(int listen_interval)
return (u16) listen_interval;
}
+
+u8 ieee80211_ie_len_eht_cap(struct ieee80211_sub_if_data *sdata, u8 iftype)
+{
+ const struct ieee80211_sta_he_cap *he_cap;
+ const struct ieee80211_sta_eht_cap *eht_cap;
+ struct ieee80211_supported_band *sband;
+ u8 n;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return 0;
+
+ he_cap = ieee80211_get_he_iftype_cap(sband, iftype);
+ eht_cap = ieee80211_get_eht_iftype_cap(sband, iftype);
+ if (!he_cap || !eht_cap)
+ return 0;
+
+ n = ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
+ &eht_cap->eht_cap_elem);
+ return 2 + 1 +
+ sizeof(he_cap->he_cap_elem) + n +
+ ieee80211_eht_ppe_size(eht_cap->eht_ppe_thres[0],
+ eht_cap->eht_cap_elem.phy_cap_info);
+ return 0;
+}
+
+u8 *ieee80211_ie_build_eht_cap(u8 *pos,
+ const struct ieee80211_sta_he_cap *he_cap,
+ const struct ieee80211_sta_eht_cap *eht_cap,
+ u8 *end)
+{
+ u8 mcs_nss_len, ppet_len;
+ u8 ie_len;
+ u8 *orig_pos = pos;
+
+ /* Make sure we have place for the IE */
+ if (!he_cap || !eht_cap)
+ return orig_pos;
+
+ mcs_nss_len = ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
+ &eht_cap->eht_cap_elem);
+ ppet_len = ieee80211_eht_ppe_size(eht_cap->eht_ppe_thres[0],
+ eht_cap->eht_cap_elem.phy_cap_info);
+
+ ie_len = 2 + 1 + sizeof(eht_cap->eht_cap_elem) + mcs_nss_len + ppet_len;
+ if ((end - pos) < ie_len)
+ return orig_pos;
+
+ *pos++ = WLAN_EID_EXTENSION;
+ *pos++ = ie_len - 2;
+ *pos++ = WLAN_EID_EXT_EHT_CAPABILITY;
+
+ /* Fixed data */
+ memcpy(pos, &eht_cap->eht_cap_elem, sizeof(eht_cap->eht_cap_elem));
+ pos += sizeof(eht_cap->eht_cap_elem);
+
+ memcpy(pos, &eht_cap->eht_mcs_nss_supp, mcs_nss_len);
+ pos += mcs_nss_len;
+
+ if (ppet_len) {
+ memcpy(pos, &eht_cap->eht_ppe_thres, ppet_len);
+ pos += ppet_len;
+ }
+
+ return pos;
+}
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index a45dacde96f7..8f16aa9c725d 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -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>
@@ -329,15 +329,27 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
}
}
-/* FIXME: move this to some better location - parses HE now */
+/* FIXME: move this to some better location - parses HE/EHT now */
enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta)
{
struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap;
struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap;
+ struct ieee80211_sta_eht_cap *eht_cap = &sta->sta.eht_cap;
u32 cap_width;
if (he_cap->has_he) {
- u8 info = he_cap->he_cap_elem.phy_cap_info[0];
+ u8 info;
+
+ if (eht_cap->has_eht &&
+ sta->sdata->vif.bss_conf.chandef.chan->band ==
+ NL80211_BAND_6GHZ) {
+ info = eht_cap->eht_cap_elem.phy_cap_info[0];
+
+ if (info & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
+ return IEEE80211_STA_RX_BW_320;
+ }
+
+ info = he_cap->he_cap_elem.phy_cap_info[0];
if (sta->sdata->vif.bss_conf.chandef.chan->band ==
NL80211_BAND_2GHZ) {
@@ -445,6 +457,8 @@ 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;
@@ -483,13 +497,24 @@ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta)
void ieee80211_sta_set_rx_nss(struct sta_info *sta)
{
- u8 ht_rx_nss = 0, vht_rx_nss = 0, he_rx_nss = 0, rx_nss;
+ u8 ht_rx_nss = 0, vht_rx_nss = 0, he_rx_nss = 0, eht_rx_nss = 0, rx_nss;
bool support_160;
/* if we received a notification already don't overwrite it */
if (sta->sta.rx_nss)
return;
+ if (sta->sta.eht_cap.has_eht) {
+ int i;
+ const u8 *rx_nss_mcs = (void *)&sta->sta.eht_cap.eht_mcs_nss_supp;
+
+ /* get the max nss for EHT over all possible bandwidths and mcs */
+ for (i = 0; i < sizeof(struct ieee80211_eht_mcs_nss_supp); i++)
+ eht_rx_nss = max_t(u8, eht_rx_nss,
+ u8_get_bits(rx_nss_mcs[i],
+ IEEE80211_EHT_MCS_NSS_RX));
+ }
+
if (sta->sta.he_cap.has_he) {
int i;
u8 rx_mcs_80 = 0, rx_mcs_160 = 0;
@@ -555,6 +580,7 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta)
rx_nss = max(vht_rx_nss, ht_rx_nss);
rx_nss = max(he_rx_nss, rx_nss);
+ rx_nss = max(eht_rx_nss, rx_nss);
sta->sta.rx_nss = max_t(u8, 1, rx_nss);
}
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index eb822052d344..8b7fb4a9e07b 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -181,6 +181,9 @@ static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
case NL80211_CHAN_WIDTH_160:
mhz = 160;
break;
+ case NL80211_CHAN_WIDTH_320:
+ mhz = 320;
+ break;
default:
WARN_ON_ONCE(1);
return -1;
@@ -271,6 +274,17 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
case NL80211_CHAN_WIDTH_16:
/* all checked above */
break;
+ case NL80211_CHAN_WIDTH_320:
+ if (chandef->center_freq1 == control_freq + 150 ||
+ chandef->center_freq1 == control_freq + 130 ||
+ chandef->center_freq1 == control_freq + 110 ||
+ chandef->center_freq1 == control_freq + 90 ||
+ chandef->center_freq1 == control_freq - 90 ||
+ chandef->center_freq1 == control_freq - 110 ||
+ chandef->center_freq1 == control_freq - 130 ||
+ chandef->center_freq1 == control_freq - 150)
+ break;
+ fallthrough;
case NL80211_CHAN_WIDTH_160:
if (chandef->center_freq1 == control_freq + 70 ||
chandef->center_freq1 == control_freq + 50 ||
@@ -307,7 +321,7 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
EXPORT_SYMBOL(cfg80211_chandef_valid);
static void chandef_primary_freqs(const struct cfg80211_chan_def *c,
- u32 *pri40, u32 *pri80)
+ u32 *pri40, u32 *pri80, u32 *pri160)
{
int tmp;
@@ -315,9 +329,11 @@ static void chandef_primary_freqs(const struct cfg80211_chan_def *c,
case NL80211_CHAN_WIDTH_40:
*pri40 = c->center_freq1;
*pri80 = 0;
+ *pri160 = 0;
break;
case NL80211_CHAN_WIDTH_80:
case NL80211_CHAN_WIDTH_80P80:
+ *pri160 = 0;
*pri80 = c->center_freq1;
/* n_P20 */
tmp = (30 + c->chan->center_freq - c->center_freq1)/20;
@@ -327,6 +343,7 @@ static void chandef_primary_freqs(const struct cfg80211_chan_def *c,
*pri40 = c->center_freq1 - 20 + 40 * tmp;
break;
case NL80211_CHAN_WIDTH_160:
+ *pri160 = c->center_freq1;
/* n_P20 */
tmp = (70 + c->chan->center_freq - c->center_freq1)/20;
/* n_P40 */
@@ -337,6 +354,20 @@ static void chandef_primary_freqs(const struct cfg80211_chan_def *c,
tmp /= 2;
*pri80 = c->center_freq1 - 40 + 80 * tmp;
break;
+ case NL80211_CHAN_WIDTH_320:
+ /* n_P20 */
+ tmp = (150 + c->chan->center_freq - c->center_freq1) / 20;
+ /* n_P40 */
+ tmp /= 2;
+ /* freq_P40 */
+ *pri40 = c->center_freq1 - 140 + 40 * tmp;
+ /* n_P80 */
+ tmp /= 2;
+ *pri80 = c->center_freq1 - 120 + 80 * tmp;
+ /* n_P160 */
+ tmp /= 2;
+ *pri160 = c->center_freq1 - 80 + 160 * tmp;
+ break;
default:
WARN_ON_ONCE(1);
}
@@ -346,7 +377,7 @@ const struct cfg80211_chan_def *
cfg80211_chandef_compatible(const struct cfg80211_chan_def *c1,
const struct cfg80211_chan_def *c2)
{
- u32 c1_pri40, c1_pri80, c2_pri40, c2_pri80;
+ u32 c1_pri40, c1_pri80, c2_pri40, c2_pri80, c1_pri160, c2_pri160;
/* If they are identical, return */
if (cfg80211_chandef_identical(c1, c2))
@@ -381,14 +412,31 @@ cfg80211_chandef_compatible(const struct cfg80211_chan_def *c1,
c2->width == NL80211_CHAN_WIDTH_20)
return c1;
- chandef_primary_freqs(c1, &c1_pri40, &c1_pri80);
- chandef_primary_freqs(c2, &c2_pri40, &c2_pri80);
+ chandef_primary_freqs(c1, &c1_pri40, &c1_pri80, &c1_pri160);
+ chandef_primary_freqs(c2, &c2_pri40, &c2_pri80, &c2_pri160);
if (c1_pri40 != c2_pri40)
return NULL;
- WARN_ON(!c1_pri80 && !c2_pri80);
- if (c1_pri80 && c2_pri80 && c1_pri80 != c2_pri80)
+ if (c1->width == NL80211_CHAN_WIDTH_40)
+ return c2;
+
+ if (c2->width == NL80211_CHAN_WIDTH_40)
+ return c1;
+
+ if (c1_pri80 != c2_pri80)
+ return NULL;
+
+ if (c1->width == NL80211_CHAN_WIDTH_80 &&
+ c2->width > NL80211_CHAN_WIDTH_80)
+ return c2;
+
+ if (c2->width == NL80211_CHAN_WIDTH_80 &&
+ c1->width > NL80211_CHAN_WIDTH_80)
+ return c1;
+
+ WARN_ON(!c1_pri160 && !c2_pri160);
+ if (c1_pri160 && c2_pri160 && c1_pri160 != c2_pri160)
return NULL;
if (c1->width > c2->width)
@@ -960,7 +1008,10 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
struct ieee80211_sta_vht_cap *vht_cap;
struct ieee80211_edmg *edmg_cap;
u32 width, control_freq, cap;
- bool ext_nss_cap, support_80_80 = false;
+ bool ext_nss_cap, support_80_80 = false, support_320 = false;
+ const struct ieee80211_sband_iftype_data *iftd;
+ struct ieee80211_supported_band *sband;
+ int i;
if (WARN_ON(!cfg80211_chandef_valid(chandef)))
return false;
@@ -1062,6 +1113,32 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
(vht_cap->cap & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK)))
return false;
break;
+ case NL80211_CHAN_WIDTH_320:
+ prohibited_flags |= IEEE80211_CHAN_NO_320MHZ;
+ width = 320;
+
+ if (chandef->chan->band != NL80211_BAND_6GHZ)
+ return false;
+
+ sband = wiphy->bands[NL80211_BAND_6GHZ];
+ if (!sband)
+ return false;
+
+ for (i = 0; i < sband->n_iftype_data; i++) {
+ iftd = &sband->iftype_data[i];
+ if (!iftd->eht_cap.has_eht)
+ continue;
+
+ if (iftd->eht_cap.eht_cap_elem.phy_cap_info[0] &
+ IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ) {
+ support_320 = true;
+ break;
+ }
+ }
+
+ if (!support_320)
+ return false;
+ break;
default:
WARN_ON_ONCE(1);
return false;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c01fbcc848e8..ee1c2b6b6971 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5,7 +5,7 @@
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2021 Intel Corporation
+ * Copyright (C) 2018-2022 Intel Corporation
*/
#include <linux/if.h>
@@ -285,6 +285,15 @@ static int validate_ie_attr(const struct nlattr *attr,
return -EINVAL;
}
+static int validate_he_capa(const struct nlattr *attr,
+ struct netlink_ext_ack *extack)
+{
+ if (!ieee80211_he_capa_size_ok(nla_data(attr), nla_len(attr)))
+ return -EINVAL;
+
+ return 0;
+}
+
/* policy for the attributes */
static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
@@ -730,9 +739,8 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 },
[NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
[NL80211_ATTR_HE_CAPABILITY] =
- NLA_POLICY_RANGE(NLA_BINARY,
- NL80211_HE_MIN_CAPABILITY_LEN,
- NL80211_HE_MAX_CAPABILITY_LEN),
+ NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_he_capa,
+ NL80211_HE_MAX_CAPABILITY_LEN),
[NL80211_ATTR_FTM_RESPONDER] =
NLA_POLICY_NESTED(nl80211_ftm_responder_policy),
[NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1),
@@ -778,6 +786,10 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_MBSSID_ELEMS] = { .type = NLA_NESTED },
[NL80211_ATTR_RADAR_BACKGROUND] = { .type = NLA_FLAG },
[NL80211_ATTR_AP_SETTINGS_FLAGS] = { .type = NLA_U32 },
+ [NL80211_ATTR_EHT_CAPABILITY] =
+ NLA_POLICY_RANGE(NLA_BINARY,
+ NL80211_EHT_MIN_CAPABILITY_LEN,
+ NL80211_EHT_MAX_CAPABILITY_LEN),
};
/* policy for the key attributes */
@@ -1148,6 +1160,12 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
if ((chan->flags & IEEE80211_CHAN_16MHZ) &&
nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ))
goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_NO_320MHZ) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_320MHZ))
+ goto nla_put_failure;
+ if ((chan->flags & IEEE80211_CHAN_NO_EHT) &&
+ nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_EHT))
+ goto nla_put_failure;
}
if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
@@ -1729,6 +1747,7 @@ nl80211_send_iftype_data(struct sk_buff *msg,
const struct ieee80211_sband_iftype_data *iftdata)
{
const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
+ const struct ieee80211_sta_eht_cap *eht_cap = &iftdata->eht_cap;
if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES,
iftdata->types_mask))
@@ -1749,6 +1768,32 @@ nl80211_send_iftype_data(struct sk_buff *msg,
return -ENOBUFS;
}
+ if (eht_cap->has_eht && he_cap->has_he) {
+ u8 mcs_nss_size, ppe_thresh_size;
+ u16 ppe_thres_hdr;
+
+ mcs_nss_size =
+ ieee80211_eht_mcs_nss_size(&he_cap->he_cap_elem,
+ &eht_cap->eht_cap_elem);
+
+ ppe_thres_hdr = get_unaligned_le16(&eht_cap->eht_ppe_thres[0]);
+ ppe_thresh_size =
+ ieee80211_eht_ppe_size(ppe_thres_hdr,
+ eht_cap->eht_cap_elem.phy_cap_info);
+
+ if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MAC,
+ sizeof(eht_cap->eht_cap_elem.mac_cap_info),
+ eht_cap->eht_cap_elem.mac_cap_info) ||
+ nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PHY,
+ sizeof(eht_cap->eht_cap_elem.phy_cap_info),
+ eht_cap->eht_cap_elem.phy_cap_info) ||
+ nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_MCS_SET,
+ mcs_nss_size, &eht_cap->eht_mcs_nss_supp) ||
+ nla_put(msg, NL80211_BAND_IFTYPE_ATTR_EHT_CAP_PPE,
+ ppe_thresh_size, eht_cap->eht_ppe_thres))
+ return -ENOBUFS;
+ }
+
if (sband->band == NL80211_BAND_6GHZ &&
nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
sizeof(iftdata->he_6ghz_capa),
@@ -5919,6 +5964,14 @@ bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
case RATE_INFO_BW_HE_RU:
rate_flg = 0;
WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS));
+ break;
+ case RATE_INFO_BW_320:
+ rate_flg = NL80211_RATE_INFO_320_MHZ_WIDTH;
+ break;
+ case RATE_INFO_BW_EHT_RU:
+ rate_flg = 0;
+ WARN_ON(!(info->flags & RATE_INFO_FLAGS_EHT_MCS));
+ break;
}
if (rate_flg && nla_put_flag(msg, rate_flg))
@@ -5951,6 +6004,17 @@ bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr)
nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC,
info->he_ru_alloc))
return false;
+ } else if (info->flags & RATE_INFO_FLAGS_EHT_MCS) {
+ if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_MCS, info->mcs))
+ return false;
+ if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_NSS, info->nss))
+ return false;
+ if (nla_put_u8(msg, NL80211_RATE_INFO_EHT_GI, info->eht_gi))
+ return false;
+ if (info->bw == RATE_INFO_BW_EHT_RU &&
+ nla_put_u8(msg, NL80211_RATE_INFO_EHT_RU_ALLOC,
+ info->eht_ru_alloc))
+ return false;
}
nla_nest_end(msg, rate);
@@ -6365,7 +6429,7 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
if (params->supported_rates)
return -EINVAL;
if (params->ext_capab || params->ht_capa || params->vht_capa ||
- params->he_capa)
+ params->he_capa || params->eht_capa)
return -EINVAL;
}
@@ -6568,6 +6632,18 @@ static int nl80211_set_station_tdls(struct genl_info *info,
nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
params->he_capa_len =
nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
+
+ if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
+ params->eht_capa =
+ nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
+ params->eht_capa_len =
+ nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
+
+ if (!ieee80211_eht_capa_size_ok((const u8 *)params->he_capa,
+ (const u8 *)params->eht_capa,
+ params->eht_capa_len))
+ return -EINVAL;
+ }
}
err = nl80211_parse_sta_channel_info(info, params);
@@ -6825,6 +6901,18 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
params.he_capa_len =
nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
+
+ if (info->attrs[NL80211_ATTR_EHT_CAPABILITY]) {
+ params.eht_capa =
+ nla_data(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
+ params.eht_capa_len =
+ nla_len(info->attrs[NL80211_ATTR_EHT_CAPABILITY]);
+
+ if (!ieee80211_eht_capa_size_ok((const u8 *)params.he_capa,
+ (const u8 *)params.eht_capa,
+ params.eht_capa_len))
+ return -EINVAL;
+ }
}
if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
@@ -6874,8 +6962,9 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
params.ht_capa = NULL;
params.vht_capa = NULL;
- /* HE requires WME */
- if (params.he_capa_len || params.he_6ghz_capa)
+ /* HE and EHT require WME */
+ if (params.he_capa_len || params.he_6ghz_capa ||
+ params.eht_capa_len)
return -EINVAL;
}
@@ -7948,6 +8037,7 @@ static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev;
struct wiphy *wiphy = NULL;
struct sk_buff *msg;
+ int err = -EMSGSIZE;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
@@ -7966,34 +8056,35 @@ static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info)
rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
if (IS_ERR(rdev)) {
- nlmsg_free(msg);
- rtnl_unlock();
- return PTR_ERR(rdev);
+ err = PTR_ERR(rdev);
+ goto nla_put_failure;
}
wiphy = &rdev->wiphy;
self_managed = wiphy->regulatory_flags &
REGULATORY_WIPHY_SELF_MANAGED;
+
+ rcu_read_lock();
+
regdom = get_wiphy_regdom(wiphy);
/* a self-managed-reg device must have a private regdom */
if (WARN_ON(!regdom && self_managed)) {
- nlmsg_free(msg);
- rtnl_unlock();
- return -EINVAL;
+ err = -EINVAL;
+ goto nla_put_failure_rcu;
}
if (regdom &&
nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy)))
- goto nla_put_failure;
+ goto nla_put_failure_rcu;
+ } else {
+ rcu_read_lock();
}
if (!wiphy && reg_last_request_cell_base() &&
nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE,
NL80211_USER_REG_HINT_CELL_BASE))
- goto nla_put_failure;
-
- rcu_read_lock();
+ goto nla_put_failure_rcu;
if (!regdom)
regdom = rcu_dereference(cfg80211_regdomain);
@@ -8013,7 +8104,7 @@ nla_put_failure:
rtnl_unlock();
put_failure:
nlmsg_free(msg);
- return -EMSGSIZE;
+ return err;
}
static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb,
@@ -8059,19 +8150,19 @@ static int nl80211_get_reg_dump(struct sk_buff *skb,
struct cfg80211_registered_device *rdev;
int err, reg_idx, start = cb->args[2];
- rtnl_lock();
+ rcu_read_lock();
if (cfg80211_regdomain && start == 0) {
err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq,
NLM_F_MULTI, NULL,
- rtnl_dereference(cfg80211_regdomain));
+ rcu_dereference(cfg80211_regdomain));
if (err < 0)
goto out_err;
}
/* the global regdom is idx 0 */
reg_idx = 1;
- list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) {
regdom = get_wiphy_regdom(&rdev->wiphy);
if (!regdom)
continue;
@@ -8090,7 +8181,7 @@ static int nl80211_get_reg_dump(struct sk_buff *skb,
cb->args[2] = reg_idx;
err = skb->len;
out_err:
- rtnl_unlock();
+ rcu_read_unlock();
return err;
}
@@ -10552,6 +10643,8 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
NL80211_EXT_FEATURE_VHT_IBSS))
return -EINVAL;
break;
+ case NL80211_CHAN_WIDTH_320:
+ return -EINVAL;
default:
return -EINVAL;
}
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index ec25924a1c26..c76cd973f06e 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1238,6 +1238,8 @@ unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,
{
unsigned int bw = reg_get_max_bandwidth_from_range(rd, rule);
+ if (rule->flags & NL80211_RRF_NO_320MHZ)
+ bw = min_t(unsigned int, bw, MHZ_TO_KHZ(160));
if (rule->flags & NL80211_RRF_NO_160MHZ)
bw = min_t(unsigned int, bw, MHZ_TO_KHZ(80));
if (rule->flags & NL80211_RRF_NO_80MHZ)
@@ -1611,6 +1613,8 @@ static u32 map_regdom_flags(u32 rd_flags)
channel_flags |= IEEE80211_CHAN_NO_160MHZ;
if (rd_flags & NL80211_RRF_NO_HE)
channel_flags |= IEEE80211_CHAN_NO_HE;
+ if (rd_flags & NL80211_RRF_NO_320MHZ)
+ channel_flags |= IEEE80211_CHAN_NO_320MHZ;
return channel_flags;
}
@@ -1773,6 +1777,8 @@ static uint32_t reg_rule_to_chan_bw_flags(const struct ieee80211_regdomain *regd
bw_flags |= IEEE80211_CHAN_NO_80MHZ;
if (max_bandwidth_khz < MHZ_TO_KHZ(160))
bw_flags |= IEEE80211_CHAN_NO_160MHZ;
+ if (max_bandwidth_khz < MHZ_TO_KHZ(320))
+ bw_flags |= IEEE80211_CHAN_NO_320MHZ;
}
return bw_flags;
}
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 63b37f421e10..a60d7d638e72 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1430,6 +1430,135 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate)
return result / 10000;
}
+static u32 cfg80211_calculate_bitrate_eht(struct rate_info *rate)
+{
+#define SCALE 6144
+ static const u32 mcs_divisors[16] = {
+ 102399, /* 16.666666... */
+ 51201, /* 8.333333... */
+ 34134, /* 5.555555... */
+ 25599, /* 4.166666... */
+ 17067, /* 2.777777... */
+ 12801, /* 2.083333... */
+ 11769, /* 1.851851... */
+ 10239, /* 1.666666... */
+ 8532, /* 1.388888... */
+ 7680, /* 1.250000... */
+ 6828, /* 1.111111... */
+ 6144, /* 1.000000... */
+ 5690, /* 0.926106... */
+ 5120, /* 0.833333... */
+ 409600, /* 66.666666... */
+ 204800, /* 33.333333... */
+ };
+ static const u32 rates_996[3] = { 480388888, 453700000, 408333333 };
+ static const u32 rates_484[3] = { 229411111, 216666666, 195000000 };
+ static const u32 rates_242[3] = { 114711111, 108333333, 97500000 };
+ static const u32 rates_106[3] = { 40000000, 37777777, 34000000 };
+ static const u32 rates_52[3] = { 18820000, 17777777, 16000000 };
+ static const u32 rates_26[3] = { 9411111, 8888888, 8000000 };
+ u64 tmp;
+ u32 result;
+
+ if (WARN_ON_ONCE(rate->mcs > 15))
+ return 0;
+ if (WARN_ON_ONCE(rate->eht_gi > NL80211_RATE_INFO_EHT_GI_3_2))
+ return 0;
+ if (WARN_ON_ONCE(rate->eht_ru_alloc >
+ NL80211_RATE_INFO_EHT_RU_ALLOC_4x996))
+ return 0;
+ if (WARN_ON_ONCE(rate->nss < 1 || rate->nss > 8))
+ return 0;
+
+ /* Bandwidth checks for MCS 14 */
+ if (rate->mcs == 14) {
+ if ((rate->bw != RATE_INFO_BW_EHT_RU &&
+ rate->bw != RATE_INFO_BW_80 &&
+ rate->bw != RATE_INFO_BW_160 &&
+ rate->bw != RATE_INFO_BW_320) ||
+ (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc != NL80211_RATE_INFO_EHT_RU_ALLOC_996 &&
+ rate->eht_ru_alloc != NL80211_RATE_INFO_EHT_RU_ALLOC_2x996 &&
+ rate->eht_ru_alloc != NL80211_RATE_INFO_EHT_RU_ALLOC_4x996)) {
+ WARN(1, "invalid EHT BW for MCS 14: bw:%d, ru:%d\n",
+ rate->bw, rate->eht_ru_alloc);
+ return 0;
+ }
+ }
+
+ if (rate->bw == RATE_INFO_BW_320 ||
+ (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_4x996))
+ result = 4 * rates_996[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_3x996P484)
+ result = 3 * rates_996[rate->eht_gi] + rates_484[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_3x996)
+ result = 3 * rates_996[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_2x996P484)
+ result = 2 * rates_996[rate->eht_gi] + rates_484[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_160 ||
+ (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_2x996))
+ result = 2 * rates_996[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc ==
+ NL80211_RATE_INFO_EHT_RU_ALLOC_996P484P242)
+ result = rates_996[rate->eht_gi] + rates_484[rate->eht_gi]
+ + rates_242[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_996P484)
+ result = rates_996[rate->eht_gi] + rates_484[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_80 ||
+ (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_996))
+ result = rates_996[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_484P242)
+ result = rates_484[rate->eht_gi] + rates_242[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_40 ||
+ (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_484))
+ result = rates_484[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_20 ||
+ (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_242))
+ result = rates_242[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_106P26)
+ result = rates_106[rate->eht_gi] + rates_26[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_106)
+ result = rates_106[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_52P26)
+ result = rates_52[rate->eht_gi] + rates_26[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_52)
+ result = rates_52[rate->eht_gi];
+ else if (rate->bw == RATE_INFO_BW_EHT_RU &&
+ rate->eht_ru_alloc == NL80211_RATE_INFO_EHT_RU_ALLOC_26)
+ result = rates_26[rate->eht_gi];
+ else {
+ WARN(1, "invalid EHT MCS: bw:%d, ru:%d\n",
+ rate->bw, rate->eht_ru_alloc);
+ return 0;
+ }
+
+ /* now scale to the appropriate MCS */
+ tmp = result;
+ tmp *= SCALE;
+ do_div(tmp, mcs_divisors[rate->mcs]);
+ result = tmp;
+
+ /* and take NSS */
+ result = (result * rate->nss) / 8;
+
+ return result / 10000;
+}
+
u32 cfg80211_calculate_bitrate(struct rate_info *rate)
{
if (rate->flags & RATE_INFO_FLAGS_MCS)
@@ -1444,6 +1573,8 @@ u32 cfg80211_calculate_bitrate(struct rate_info *rate)
return cfg80211_calculate_bitrate_vht(rate);
if (rate->flags & RATE_INFO_FLAGS_HE_MCS)
return cfg80211_calculate_bitrate_he(rate);
+ if (rate->flags & RATE_INFO_FLAGS_EHT_MCS)
+ return cfg80211_calculate_bitrate_eht(rate);
return rate->legacy;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 03:46:42 +0000