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-rw-r--r--net/mac80211/vht.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index 409d2fde83bf..8f16aa9c725d 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -497,13 +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;
@@ -569,6 +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);
}