2022-08-26 18:56:30

by Felix Fietkau

[permalink] [raw]
Subject: [PATCH 6.0] wifi: mt76: fix reading current per-tid starting sequence number for aggregation

The code was accidentally shifting register values down by tid % 32 instead of
(tid * field_size) % 32.

Cc: [email protected]
Fixes: a28bef561a5c ("mt76: mt7615: re-enable offloading of sequence number assignment")
Signed-off-by: Felix Fietkau <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index ad6c7d632eed..d6aae60c440d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -1088,7 +1088,7 @@ u32 mt7615_mac_get_sta_tid_sn(struct mt7615_dev *dev, int wcid, u8 tid)
offset %= 32;

val = mt76_rr(dev, addr);
- val >>= (tid % 32);
+ val >>= offset;

if (offset > 20) {
addr += 4;
--
2.36.1


2022-09-08 07:20:20

by Kalle Valo

[permalink] [raw]
Subject: Re: [PATCH 6.0] wifi: mt76: fix reading current per-tid starting sequence number for aggregation

Felix Fietkau <[email protected]> writes:

> The code was accidentally shifting register values down by tid % 32 instead of
> (tid * field_size) % 32.
>
> Cc: [email protected]
> Fixes: a28bef561a5c ("mt76: mt7615: re-enable offloading of sequence number assignment")
> Signed-off-by: Felix Fietkau <[email protected]>

I assigned this to myself on patchwork and I'll queue this for v6.0.

--
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

2022-09-12 11:39:16

by Kalle Valo

[permalink] [raw]
Subject: Re: [PATCH 6.0] wifi: mt76: fix reading current per-tid starting sequence number for aggregation

Felix Fietkau <[email protected]> wrote:

> The code was accidentally shifting register values down by tid % 32 instead of
> (tid * field_size) % 32.
>
> Cc: [email protected]
> Fixes: a28bef561a5c ("mt76: mt7615: re-enable offloading of sequence number assignment")
> Signed-off-by: Felix Fietkau <[email protected]>

Patch applied to wireless.git, thanks.

c3a510e2b537 wifi: mt76: fix reading current per-tid starting sequence number for aggregation

--
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches