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mac80211: remove NSS number of 160MHz if not support 160MHz for HE

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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>
This commit is contained in:
Wen Gong 2021-01-05 11:08:39 +08:00 committed by Johannes Berg
parent 28881922ab
commit 2d5e09d058
1 changed files with 8 additions and 1 deletions
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9
net/mac80211/vht.c
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@ -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) {