diff options
| author | Mordechay Goodstein <mordechay.goodstein@intel.com> | 2022-02-14 19:30:04 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2022-02-16 17:44:28 +0300 |
| commit | 443df9a776062e5957d3c8ab5ac7dd2822c1ac7b (patch) | |
| tree | 86cc7ad71fc455e536ad0e126d2cf849eb3da151 /net/mac80211/vht.c | |
| parent | 90603d29f10b8520d2aa546b65f12c12257b9841 (diff) | |
| download | linux-443df9a776062e5957d3c8ab5ac7dd2822c1ac7b.tar.xz | |
mac80211: calculate max RX NSS for EHT mode
If the station supports EHT mode, calculate the maximum RX NSS
from EHT station capabilities.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Link: https://lore.kernel.org/r/20220214173004.cf61972c8919.I54f5a416f0789bf4eefad04703d941b6755f6dd6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/vht.c')
| -rw-r--r-- | net/mac80211/vht.c | 14 |
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); } |