diff options
| author | Wen Gong <wgong@codeaurora.org> | 2021-01-05 06:08:39 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2021-01-21 15:45:13 +0300 |
| commit | 2d5e09d05827f9aace60b9711d9680e5da51ca5d (patch) | |
| tree | 5c8616956d45e4ded967fd76330d93c583d0d159 /net/mac80211/vht.c | |
| parent | 28881922abd786a1e62a4ca77394a84373dd5279 (diff) | |
| download | linux-2d5e09d05827f9aace60b9711d9680e5da51ca5d.tar.xz | |
mac80211: remove NSS number of 160MHz if not support 160MHz for HE
When it does not support 160MHz in HE phy capabilities information,
it should not treat the NSS number of 160MHz as a valid number,
otherwise the final NSS will be set to 0.
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Link: https://lore.kernel.org/r/1609816120-9411-2-git-send-email-wgong@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/vht.c')
| -rw-r--r-- | net/mac80211/vht.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index c3ca97373774..e856f9092137 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -484,6 +484,7 @@ 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; + bool support_160; /* if we received a notification already don't overwrite it */ if (sta->sta.rx_nss) @@ -514,7 +515,13 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta) } } - he_rx_nss = min(rx_mcs_80, rx_mcs_160); + support_160 = he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G; + + if (support_160) + he_rx_nss = min(rx_mcs_80, rx_mcs_160); + else + he_rx_nss = rx_mcs_80; } if (sta->sta.ht_cap.ht_supported) { |