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From patchwork Sat Jul 17 05:05:49 2021
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From: Ryder Lee <ryder.lee@mediatek.com>
To: Felix Fietkau <nbd@nbd.name>
CC: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>, Shayne Chen
<shayne.chen@mediatek.com>, Evelyn Tsai <evelyn.tsai@mediatek.com>, Sean Wang
<sean.wang@mediatek.com>, <linux-wireless@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>, Ryder Lee <ryder.lee@mediatek.com>
Subject: [PATCH 2/2] mt76: mt7921: send EAPOL frames at lowest rate
Date: Sat, 17 Jul 2021 13:05:49 +0800
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<089a52032471c2f058e0837582b21f6e9b039fba.1626498075.git.ryder.lee@mediatek.com>
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The firmware rate control may choose the high rate for EAPOL frames,
so checking IEEE80211_TX_CTL_USE_MINRATE to use the lowest TX rate.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 7fe2e3a50428..eb0d98c8d5d8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -702,7 +702,8 @@ mt7921_mac_write_txwi_80211(struct mt7921_dev *dev, __le32 *txwi,
txwi[3] &= ~cpu_to_le32(MT_TXD3_PROTECT_FRAME);
}
- if (!ieee80211_is_data(fc) || multicast)
+ if (!ieee80211_is_data(fc) || multicast ||
+ info->flags & IEEE80211_TX_CTL_USE_MINRATE)
val |= MT_TXD2_FIX_RATE;
txwi[2] |= cpu_to_le32(val);
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