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authorPeter Chiu <chui-hao.chiu@mediatek.com>2023-02-22 07:27:29 +0100
committerFelix Fietkau <nbd@nbd.name>2023-04-17 15:34:34 +0200
commite4d2b8bcac11c23536771ff38e536c7462b213f5 (patch)
tree7f7c55e0662800aceb8263c03d64a8b266429776 /drivers/net/wireless/mediatek/mt76/dma.c
parentwifi: mt76: mt7915: rework init flow in mt7915_thermal_init() (diff)
downloadlinux-e4d2b8bcac11c23536771ff38e536c7462b213f5.tar.xz
linux-e4d2b8bcac11c23536771ff38e536c7462b213f5.zip
wifi: mt76: drop the incorrect scatter and gather frame
The scatter and gather frame may be incorrect because WED and WO may send frames to host driver interleaved. Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com> Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/dma.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/dma.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index da281cd1d36f..738d7e1569bf 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -402,8 +402,8 @@ mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx,
*info = le32_to_cpu(desc->info);
if (mt76_queue_is_wed_rx(q)) {
- u32 token = FIELD_GET(MT_DMA_CTL_TOKEN,
- le32_to_cpu(desc->buf1));
+ u32 buf1 = le32_to_cpu(desc->buf1);
+ u32 token = FIELD_GET(MT_DMA_CTL_TOKEN, buf1);
struct mt76_txwi_cache *t = mt76_rx_token_release(dev, token);
if (!t)
@@ -424,6 +424,8 @@ mt76_dma_get_buf(struct mt76_dev *dev, struct mt76_queue *q, int idx,
*drop = !!(ctrl & (MT_DMA_CTL_TO_HOST_A |
MT_DMA_CTL_DROP));
+
+ *drop |= !!(buf1 & MT_DMA_CTL_WO_DROP);
}
} else {
buf = e->buf;