From: Thiraviyam Mariyappan <tmariyap@codeaurora.org>
To: ath11k@lists.infradead.org
Cc: linux-wireless@vger.kernel.org,
Thiraviyam Mariyappan <tmariyap@codeaurora.org>
Subject: [PATCH] mac80211: fix incorrect nss config
Date: Mon, 27 Sep 2021 19:11:44 +0530 [thread overview]
Message-ID: <1632750104-1722-1-git-send-email-tmariyap@codeaurora.org> (raw)
In HE capabilities, HE-MCS Rx map field filled with value 0x3 for all eight
spatial streams if txrx chains configured as incorrect value.
This patch changes configure at least single spatial stream for HE-MCS
0 to 7 in all supported channel widths if nss configured as incorrect
value.
Signed-off-by: Thiraviyam Mariyappan <tmariyap@codeaurora.org>
---
net/mac80211/he.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/net/mac80211/he.c b/net/mac80211/he.c
index c05af70..ee113ff5 100644
--- a/net/mac80211/he.c
+++ b/net/mac80211/he.c
@@ -151,6 +151,13 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
&he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size],
he_ppe_size);
+ if (he_cap->he_mcs_nss_supp.rx_mcs_80 == cpu_to_le16(0xFFFF)) {
+ he_cap->has_he = false;
+ sdata_info(sdata, "Ignoring HE IE from %pM due to incorrect rx_mcs_80\n",
+ sta->addr);
+ return;
+ }
+
he_cap->has_he = true;
sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(sta);
--
2.7.4
--
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next reply other threads:[~2021-09-27 13:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-27 13:41 Thiraviyam Mariyappan [this message]
2021-09-27 15:01 ` [PATCH] mac80211: fix incorrect nss config Johannes Berg
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