From 7c4f744d6703757be959f521a7a441bf34745d99 Mon Sep 17 00:00:00 2001
From: Ryder Lee <ryder.lee@mediatek.com>
Date: Sat, 25 Apr 2020 03:32:22 +0800
Subject: [PATCH] mt76: avoid rx reorder buffer overflow
Git-commit: 7c4f744d6703757be959f521a7a441bf34745d99
Patch-mainline: v5.8-rc1
References: jsc#SLE-13430
Enlarge slot to support 11ax 256 BA (256 MPDUs in an AMPDU)
Signed-off-by: Chih-Min Chen <chih-min.chen@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 f77f03530259..acdbe6f8248d 100644
--- a/drivers/net/wireless/mediatek/mt76/agg-rx.c
+++ b/drivers/net/wireless/mediatek/mt76/agg-rx.c
@@ -152,8 +152,8 @@ 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);
@@ -239,7 +239,7 @@ 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;
@@ -264,7 +264,7 @@ 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;
spin_lock_bh(&tid->lock);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 728a2fb8b14d..67cab570bb71 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -244,8 +244,8 @@ struct mt76_rx_tid {
struct delayed_work reorder_work;
u16 head;
- u8 size;
- u8 nframes;
+ u16 size;
+ u16 nframes;
u8 num;
@@ -798,7 +798,7 @@ 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,
--
2.16.4