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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c369
1 files changed, 336 insertions, 33 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 744842c4513b..1b30c724ca8d 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",
@@ -636,7 +657,7 @@ static void ieee80211_add_he_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
struct ieee80211_supported_band *sband)
{
- u8 *pos;
+ u8 *pos, *pre_he_pos;
const struct ieee80211_sta_he_cap *he_cap = NULL;
struct ieee80211_chanctx_conf *chanctx_conf;
u8 he_cap_size;
@@ -653,20 +674,67 @@ static void ieee80211_add_he_ie(struct ieee80211_sub_if_data *sdata,
he_cap = ieee80211_get_he_iftype_cap(sband,
ieee80211_vif_type_p2p(&sdata->vif));
- if (!he_cap || !reg_cap)
+ if (!he_cap || !chanctx_conf || !reg_cap)
return;
+ /* get a max size estimate */
he_cap_size =
2 + 1 + sizeof(he_cap->he_cap_elem) +
ieee80211_he_mcs_nss_size(&he_cap->he_cap_elem) +
ieee80211_he_ppe_size(he_cap->ppe_thres[0],
he_cap->he_cap_elem.phy_cap_info);
pos = skb_put(skb, he_cap_size);
- ieee80211_ie_build_he_cap(pos, he_cap, pos + he_cap_size);
+ pre_he_pos = pos;
+ pos = ieee80211_ie_build_he_cap(sdata->u.mgd.flags,
+ pos, he_cap, pos + he_cap_size);
+ /* trim excess if any */
+ skb_trim(skb, skb->len - (pre_he_pos + he_cap_size - pos));
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;
@@ -987,17 +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,
@@ -3524,10 +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 =
@@ -4271,6 +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,
@@ -4845,6 +4934,7 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
sdata_unlock(sdata);
}
+#endif
void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
{
@@ -4866,9 +4956,20 @@ 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
/* interface setup */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
@@ -4923,13 +5024,20 @@ void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
rcu_read_unlock();
}
-static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata,
- struct cfg80211_bss *cbss)
+static u8 ieee80211_max_rx_chains(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_bss *cbss)
{
+ struct ieee80211_he_mcs_nss_supp *he_mcs_nss_supp;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
const struct element *ht_cap_elem, *vht_cap_elem;
+ const struct cfg80211_bss_ies *ies;
const struct ieee80211_ht_cap *ht_cap;
const struct ieee80211_vht_cap *vht_cap;
+ const struct ieee80211_he_cap_elem *he_cap;
+ const struct element *he_cap_elem;
+ u16 mcs_80_map, mcs_160_map;
+ int i, mcs_nss_size;
+ bool support_160;
u8 chains = 1;
if (ifmgd->flags & IEEE80211_STA_DISABLE_HT)
@@ -4964,10 +5072,156 @@ static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata,
chains = max(chains, nss);
}
+ if (ifmgd->flags & IEEE80211_STA_DISABLE_HE)
+ return chains;
+
+ ies = rcu_dereference(cbss->ies);
+ he_cap_elem = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY,
+ ies->data, ies->len);
+
+ if (!he_cap_elem || he_cap_elem->datalen < sizeof(*he_cap))
+ return chains;
+
+ /* skip one byte ext_tag_id */
+ he_cap = (void *)(he_cap_elem->data + 1);
+ mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap);
+
+ /* invalid HE IE */
+ if (he_cap_elem->datalen < 1 + mcs_nss_size + sizeof(*he_cap))
+ return chains;
+
+ /* mcs_nss is right after he_cap info */
+ he_mcs_nss_supp = (void *)(he_cap + 1);
+
+ mcs_80_map = le16_to_cpu(he_mcs_nss_supp->tx_mcs_80);
+
+ for (i = 7; i >= 0; i--) {
+ u8 mcs_80 = mcs_80_map >> (2 * i) & 3;
+
+ if (mcs_80 != IEEE80211_VHT_MCS_NOT_SUPPORTED) {
+ chains = max_t(u8, chains, i + 1);
+ break;
+ }
+ }
+
+ support_160 = he_cap->phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
+
+ if (!support_160)
+ return chains;
+
+ mcs_160_map = le16_to_cpu(he_mcs_nss_supp->tx_mcs_160);
+ for (i = 7; i >= 0; i--) {
+ u8 mcs_160 = mcs_160_map >> (2 * i) & 3;
+
+ if (mcs_160 != IEEE80211_VHT_MCS_NOT_SUPPORTED) {
+ chains = max_t(u8, chains, i + 1);
+ break;
+ }
+ }
+
return chains;
}
static bool
+ieee80211_verify_peer_he_mcs_support(struct ieee80211_sub_if_data *sdata,
+ const struct cfg80211_bss_ies *ies,
+ const struct ieee80211_he_operation *he_op)
+{
+ const struct element *he_cap_elem;
+ const struct ieee80211_he_cap_elem *he_cap;
+ struct ieee80211_he_mcs_nss_supp *he_mcs_nss_supp;
+ u16 mcs_80_map_tx, mcs_80_map_rx;
+ u16 ap_min_req_set;
+ int mcs_nss_size;
+ int nss;
+
+ he_cap_elem = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY,
+ ies->data, ies->len);
+
+ /* invalid HE IE */
+ if (!he_cap_elem || he_cap_elem->datalen < 1 + sizeof(*he_cap)) {
+ sdata_info(sdata,
+ "Invalid HE elem, Disable HE\n");
+ return false;
+ }
+
+ /* skip one byte ext_tag_id */
+ he_cap = (void *)(he_cap_elem->data + 1);
+ mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap);
+
+ /* invalid HE IE */
+ if (he_cap_elem->datalen < 1 + sizeof(*he_cap) + mcs_nss_size) {
+ sdata_info(sdata,
+ "Invalid HE elem with nss size, Disable HE\n");
+ return false;
+ }
+
+ /* mcs_nss is right after he_cap info */
+ he_mcs_nss_supp = (void *)(he_cap + 1);
+
+ mcs_80_map_tx = le16_to_cpu(he_mcs_nss_supp->tx_mcs_80);
+ mcs_80_map_rx = le16_to_cpu(he_mcs_nss_supp->rx_mcs_80);
+
+ /* P802.11-REVme/D0.3
+ * 27.1.1 Introduction to the HE PHY
+ * ...
+ * An HE STA shall support the following features:
+ * ...
+ * Single spatial stream HE-MCSs 0 to 7 (transmit and receive) in all
+ * supported channel widths for HE SU PPDUs
+ */
+ if ((mcs_80_map_tx & 0x3) == IEEE80211_HE_MCS_NOT_SUPPORTED ||
+ (mcs_80_map_rx & 0x3) == IEEE80211_HE_MCS_NOT_SUPPORTED) {
+ sdata_info(sdata,
+ "Missing mandatory rates for 1 Nss, rx 0x%x, tx 0x%x, disable HE\n",
+ mcs_80_map_tx, mcs_80_map_rx);
+ return false;
+ }
+
+ if (!he_op)
+ return true;
+
+ ap_min_req_set = le16_to_cpu(he_op->he_mcs_nss_set);
+
+ /* make sure the AP is consistent with itself
+ *
+ * P802.11-REVme/D0.3
+ * 26.17.1 Basic HE BSS operation
+ *
+ * A STA that is operating in an HE BSS shall be able to receive and
+ * transmit at each of the <HE-MCS, NSS> tuple values indicated by the
+ * Basic HE-MCS And NSS Set field of the HE Operation parameter of the
+ * MLME-START.request primitive and shall be able to receive at each of
+ * the <HE-MCS, NSS> tuple values indicated by the Supported HE-MCS and
+ * NSS Set field in the HE Capabilities parameter of the MLMESTART.request
+ * primitive
+ */
+ for (nss = 8; nss > 0; nss--) {
+ u8 ap_op_val = (ap_min_req_set >> (2 * (nss - 1))) & 3;
+ u8 ap_rx_val;
+ u8 ap_tx_val;
+
+ if (ap_op_val == IEEE80211_HE_MCS_NOT_SUPPORTED)
+ continue;
+
+ ap_rx_val = (mcs_80_map_rx >> (2 * (nss - 1))) & 3;
+ ap_tx_val = (mcs_80_map_tx >> (2 * (nss - 1))) & 3;
+
+ if (ap_rx_val == IEEE80211_HE_MCS_NOT_SUPPORTED ||
+ ap_tx_val == IEEE80211_HE_MCS_NOT_SUPPORTED ||
+ ap_rx_val < ap_op_val || ap_tx_val < ap_op_val) {
+ sdata_info(sdata,
+ "Invalid rates for %d Nss, rx %d, tx %d oper %d, disable HE\n",
+ nss, ap_rx_val, ap_rx_val, ap_op_val);
+ return false;
+ }
+ }
+
+ return true;
+}
+
+static bool
ieee80211_verify_sta_he_mcs_support(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
const struct ieee80211_he_operation *he_op)
@@ -5013,7 +5267,15 @@ ieee80211_verify_sta_he_mcs_support(struct ieee80211_sub_if_data *sdata,
/*
* Make sure the HE AP doesn't require MCSs that aren't
- * supported by the client
+ * supported by the client as required by spec
+ *
+ * P802.11-REVme/D0.3
+ * 26.17.1 Basic HE BSS operation
+ *
+ * An HE STA shall not attempt to join * (MLME-JOIN.request primitive)
+ * a BSS, unless it supports (i.e., is able to both transmit and
+ * receive using) all of the <HE-MCS, NSS> tuples in the basic
+ * HE-MCS and NSS set.
*/
if (sta_rx_val == IEEE80211_HE_MCS_NOT_SUPPORTED ||
sta_tx_val == IEEE80211_HE_MCS_NOT_SUPPORTED ||
@@ -5040,6 +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;
@@ -5070,22 +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) {
@@ -5107,6 +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) {
@@ -5144,8 +5417,31 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
}
}
- if (!ieee80211_verify_sta_he_mcs_support(sdata, sband, he_oper))
- ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
+ 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 |
+ 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 */
@@ -5174,11 +5470,12 @@ 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);
- sdata->needed_rx_chains = min(ieee80211_ht_vht_rx_chains(sdata, cbss),
+ sdata->needed_rx_chains = min(ieee80211_max_rx_chains(sdata, cbss),
local->rx_chains);
rcu_read_unlock();
@@ -5665,6 +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");
}
@@ -5672,11 +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");
}
@@ -5730,9 +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();
@@ -5811,6 +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) {
@@ -5819,8 +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);
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-28 15:28:22 +0000