summaryrefslogtreecommitdiff
path: root/net/mac80211/mlme.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c99
1 files changed, 76 insertions, 23 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 1008eb8e9b13..3b5827ea438e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -180,10 +180,11 @@ ieee80211_determine_ap_chan(struct ieee80211_sub_if_data *sdata,
/* get special S1G case out of the way */
if (sband->band == NL80211_BAND_S1GHZ) {
- if (!ieee80211_chandef_s1g_oper(elems->s1g_oper, chandef)) {
- sdata_info(sdata,
- "Missing S1G Operation Element? Trying operating == primary\n");
- chandef->width = ieee80211_s1g_channel_width(channel);
+ if (!ieee80211_chandef_s1g_oper(sdata->local, elems->s1g_oper,
+ chandef)) {
+ /* Fallback to default 1MHz */
+ chandef->width = NL80211_CHAN_WIDTH_1;
+ chandef->s1g_primary_2mhz = false;
}
return IEEE80211_CONN_MODE_S1G;
@@ -1046,6 +1047,14 @@ again:
ret = -EINVAL;
goto free;
}
+
+ chanreq->oper = *ap_chandef;
+ if (!cfg80211_chandef_usable(sdata->wdev.wiphy, &chanreq->oper,
+ IEEE80211_CHAN_DISABLED)) {
+ ret = -EINVAL;
+ goto free;
+ }
+
return elems;
case NL80211_BAND_6GHZ:
if (ap_mode < IEEE80211_CONN_MODE_HE) {
@@ -1189,6 +1198,14 @@ again:
"required MCSes not supported, disabling EHT\n");
}
+ if (conn->mode >= IEEE80211_CONN_MODE_EHT &&
+ channel->band != NL80211_BAND_2GHZ &&
+ conn->bw_limit == IEEE80211_CONN_BW_LIMIT_40) {
+ conn->mode = IEEE80211_CONN_MODE_HE;
+ link_id_info(sdata, link_id,
+ "required bandwidth not supported, disabling EHT\n");
+ }
+
/* the mode can only decrease, so this must terminate */
if (ap_mode != conn->mode) {
kfree(elems);
@@ -1842,7 +1859,8 @@ ieee80211_add_link_elems(struct ieee80211_sub_if_data *sdata,
ieee80211_put_he_cap(skb, sdata, sband,
&assoc_data->link[link_id].conn);
ADD_PRESENT_EXT_ELEM(WLAN_EID_EXT_HE_CAPABILITY);
- ieee80211_put_he_6ghz_cap(skb, sdata, smps_mode);
+ if (sband->band == NL80211_BAND_6GHZ)
+ ieee80211_put_he_6ghz_cap(skb, sdata, smps_mode);
}
/*
@@ -2104,8 +2122,11 @@ ieee80211_link_common_elems_size(struct ieee80211_sub_if_data *sdata,
sizeof(struct ieee80211_he_mcs_nss_supp) +
IEEE80211_HE_PPE_THRES_MAX_LEN;
- if (sband->band == NL80211_BAND_6GHZ)
+ if (sband->band == NL80211_BAND_6GHZ) {
size += 2 + 1 + sizeof(struct ieee80211_he_6ghz_capa);
+ /* reg connection */
+ size += 4;
+ }
size += 2 + 1 + sizeof(struct ieee80211_eht_cap_elem) +
sizeof(struct ieee80211_eht_mcs_nss_supp) +
@@ -2179,11 +2200,7 @@ static int ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
2 + /* ext capa & op */
2; /* EML capa */
- /*
- * The capability elements were already considered above;
- * note this over-estimates a bit because there's no
- * STA profile for the assoc link.
- */
+ /* The capability elements were already considered above */
size += (n_links - 1) *
(1 + 1 + /* subelement ID/length */
2 + /* STA control */
@@ -5721,7 +5738,7 @@ static u8 ieee80211_max_rx_chains(struct ieee80211_link_data *link,
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))
+ if (!he_cap_elem || he_cap_elem->datalen < sizeof(*he_cap) + 1)
return chains;
/* skip one byte ext_tag_id */
@@ -6348,6 +6365,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
};
u8 ap_mld_addr[ETH_ALEN] __aligned(2);
unsigned int link_id;
+ u16 max_aid = IEEE80211_MAX_AID;
lockdep_assert_wiphy(sdata->local->hw.wiphy);
@@ -6374,10 +6392,12 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
reassoc = ieee80211_is_reassoc_resp(mgmt->frame_control);
capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
- if (assoc_data->s1g)
+ if (assoc_data->s1g) {
elem_start = mgmt->u.s1g_assoc_resp.variable;
- else
+ max_aid = IEEE80211_MAX_SUPPORTED_S1G_AID;
+ } else {
elem_start = mgmt->u.assoc_resp.variable;
+ }
/*
* Note: this may not be perfect, AP might misbehave - if
@@ -6401,16 +6421,15 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
if (elems->aid_resp)
aid = le16_to_cpu(elems->aid_resp->aid);
- else if (assoc_data->s1g)
- aid = 0; /* TODO */
else
aid = le16_to_cpu(mgmt->u.assoc_resp.aid);
/*
- * The 5 MSB of the AID field are reserved
- * (802.11-2016 9.4.1.8 AID field)
+ * The 5 MSB of the AID field are reserved for a non-S1G STA. For
+ * an S1G STA the 3 MSBs are reserved.
+ * (802.11-2016 9.4.1.8 AID field).
*/
- aid &= 0x7ff;
+ aid &= assoc_data->s1g ? 0x1fff : 0x7ff;
sdata_info(sdata,
"RX %sssocResp from %pM (capab=0x%x status=%d aid=%d)\n",
@@ -6447,7 +6466,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
event.u.mlme.reason = status_code;
drv_event_callback(sdata->local, sdata, &event);
} else {
- if (aid == 0 || aid > IEEE80211_MAX_AID) {
+ if (aid == 0 || aid > max_aid) {
sdata_info(sdata,
"invalid AID value %d (out of range), turn off PS\n",
aid);
@@ -6485,6 +6504,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
}
sdata->vif.cfg.aid = aid;
+ sdata->vif.cfg.s1g = assoc_data->s1g;
if (!ieee80211_assoc_success(sdata, mgmt, elems,
elem_start, elem_len)) {
@@ -7281,6 +7301,38 @@ static bool ieee80211_mgd_ssid_mismatch(struct ieee80211_sub_if_data *sdata,
return memcmp(elems->ssid, cfg->ssid, cfg->ssid_len);
}
+static bool
+ieee80211_rx_beacon_freq_valid(struct ieee80211_local *local,
+ struct ieee80211_mgmt *mgmt,
+ struct ieee80211_rx_status *rx_status,
+ struct ieee80211_chanctx_conf *chanctx)
+{
+ u32 pri_2mhz_khz;
+ struct ieee80211_channel *s1g_sibling_1mhz;
+ u32 pri_khz = ieee80211_channel_to_khz(chanctx->def.chan);
+ u32 rx_khz = ieee80211_rx_status_to_khz(rx_status);
+
+ if (rx_khz == pri_khz)
+ return true;
+
+ if (!chanctx->def.s1g_primary_2mhz)
+ return false;
+
+ /*
+ * If we have an S1G interface with a 2MHz primary, beacons are
+ * sent on the center frequency of the 2MHz primary. Find the sibling
+ * 1MHz channel and calculate the 2MHz primary center frequency.
+ */
+ s1g_sibling_1mhz = cfg80211_s1g_get_primary_sibling(local->hw.wiphy,
+ &chanctx->def);
+ if (!s1g_sibling_1mhz)
+ return false;
+
+ pri_2mhz_khz =
+ (pri_khz + ieee80211_channel_to_khz(s1g_sibling_1mhz)) / 2;
+ return rx_khz == pri_2mhz_khz;
+}
+
static void ieee80211_rx_mgmt_beacon(struct ieee80211_link_data *link,
struct ieee80211_hdr *hdr, size_t len,
struct ieee80211_rx_status *rx_status)
@@ -7335,8 +7387,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_link_data *link,
return;
}
- if (ieee80211_rx_status_to_khz(rx_status) !=
- ieee80211_channel_to_khz(chanctx_conf->def.chan)) {
+ if (!ieee80211_rx_beacon_freq_valid(local, mgmt, rx_status,
+ chanctx_conf)) {
rcu_read_unlock();
return;
}
@@ -7432,7 +7484,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_link_data *link,
ncrc = elems->crc;
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
- ieee80211_check_tim(elems->tim, elems->tim_len, vif_cfg->aid)) {
+ ieee80211_check_tim(elems->tim, elems->tim_len, vif_cfg->aid,
+ vif_cfg->s1g)) {
if (local->hw.conf.dynamic_ps_timeout > 0) {
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
local->hw.conf.flags &= ~IEEE80211_CONF_PS;
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-03 16:16:58 +0000