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Message-Id: <20200608231848.3366970-120-sashal@kernel.org>
Date: Mon, 8 Jun 2020 19:17:53 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Ryder Lee <ryder.lee@...iatek.com>,
Chih-Min Chen <chih-min.chen@...iatek.com>,
Felix Fietkau <nbd@....name>, Sasha Levin <sashal@...nel.org>,
linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org
Subject: [PATCH AUTOSEL 5.4 120/175] mt76: avoid rx reorder buffer overflow
From: Ryder Lee <ryder.lee@...iatek.com>
[ Upstream commit 7c4f744d6703757be959f521a7a441bf34745d99 ]
Enlarge slot to support 11ax 256 BA (256 MPDUs in an AMPDU)
Signed-off-by: Chih-Min Chen <chih-min.chen@...iatek.com>
Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
Signed-off-by: Felix Fietkau <nbd@....name>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/net/wireless/mediatek/mt76/agg-rx.c | 8 ++++----
drivers/net/wireless/mediatek/mt76/mt76.h | 6 +++---
2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/agg-rx.c b/drivers/net/wireless/mediatek/mt76/agg-rx.c
index 8f3d36a15e17..cbff0dfc9631 100644
--- a/drivers/net/wireless/mediatek/mt76/agg-rx.c
+++ b/drivers/net/wireless/mediatek/mt76/agg-rx.c
@@ -143,8 +143,8 @@ void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames)
struct ieee80211_sta *sta;
struct mt76_rx_tid *tid;
bool sn_less;
- u16 seqno, head, size;
- u8 ackp, idx;
+ u16 seqno, head, size, idx;
+ u8 ackp;
__skb_queue_tail(frames, skb);
@@ -230,7 +230,7 @@ void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames)
}
int mt76_rx_aggr_start(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tidno,
- u16 ssn, u8 size)
+ u16 ssn, u16 size)
{
struct mt76_rx_tid *tid;
@@ -254,7 +254,7 @@ EXPORT_SYMBOL_GPL(mt76_rx_aggr_start);
static void mt76_rx_aggr_shutdown(struct mt76_dev *dev, struct mt76_rx_tid *tid)
{
- u8 size = tid->size;
+ u16 size = tid->size;
int i;
cancel_delayed_work(&tid->reorder_work);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 502814c26b33..52a16b42dfd7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -240,8 +240,8 @@ struct mt76_rx_tid {
struct delayed_work reorder_work;
u16 head;
- u8 size;
- u8 nframes;
+ u16 size;
+ u16 nframes;
u8 started:1, stopped:1, timer_pending:1;
@@ -723,7 +723,7 @@ int mt76_get_survey(struct ieee80211_hw *hw, int idx,
void mt76_set_stream_caps(struct mt76_dev *dev, bool vht);
int mt76_rx_aggr_start(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid,
- u16 ssn, u8 size);
+ u16 ssn, u16 size);
void mt76_rx_aggr_stop(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid);
void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
--
2.25.1
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