This is a note to let you know that I've just added the patch titled
ath9k: declare required extra tx headroom
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ath9k-declare-required-extra-tx-headroom.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 029cd0370241641eb70235d205aa0b90c84dce44 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@xxxxxxxxxxx>
Date: Thu, 24 Sep 2015 16:59:46 +0200
Subject: ath9k: declare required extra tx headroom
From: Felix Fietkau <nbd@xxxxxxxxxxx>
commit 029cd0370241641eb70235d205aa0b90c84dce44 upstream.
ath9k inserts padding between the 802.11 header and the data area (to
align it). Since it didn't declare this extra required headroom, this
led to some nasty issues like randomly dropped packets in some setups.
Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/init.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -819,6 +819,7 @@ void ath9k_set_hw_capab(struct ath_softc
hw->max_rate_tries = 10;
hw->sta_data_size = sizeof(struct ath_node);
hw->vif_data_size = sizeof(struct ath_vif);
+ hw->extra_tx_headroom = 4;
hw->wiphy->available_antennas_rx = BIT(ah->caps.max_rxchains) - 1;
hw->wiphy->available_antennas_tx = BIT(ah->caps.max_txchains) - 1;
Patches currently in stable-queue which might be from nbd@xxxxxxxxxxx are
queue-3.10/ath9k-declare-required-extra-tx-headroom.patch
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