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From:   Thomas Pedersen <thomas@adapt-ip.com>
To:     Johannes Berg <johannes@sipsolutions.net>
Cc:     linux-wireless <linux-wireless@vger.kernel.org>,
        Thomas Pedersen <thomas@adapt-ip.com>
Subject: [PATCH v4 12/17] mac80211: avoid rate init for S1G band
Date:   Mon, 21 Sep 2020 19:28:13 -0700
Message-Id: <20200922022818.15855-13-thomas@adapt-ip.com>
In-Reply-To: <20200922022818.15855-1-thomas@adapt-ip.com>
References: <20200922022818.15855-1-thomas@adapt-ip.com>
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minstrel_ht is confused by the lack of sband->bitrates,
and S1G will likely require a unique RC algorithm, so
avoid rate init for now if STA is on the S1G band.

Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
---
 net/mac80211/rate.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 63266d73c252..0cba7fed28cf 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -51,6 +51,12 @@ void rate_control_rate_init(struct sta_info *sta)
 
 	sband = local->hw.wiphy->bands[chanctx_conf->def.chan->band];
 
+	/* TODO: check for minstrel_s1g ? */
+	if (sband->band == NL80211_BAND_S1GHZ) {
+		rcu_read_unlock();
+		return;
+	}
+
 	spin_lock_bh(&sta->rate_ctrl_lock);
 	ref->ops->rate_init(ref->priv, sband, &chanctx_conf->def, ista,
 			    priv_sta);
-- 
2.20.1