diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2015-09-24 15:02:15 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2015-09-24 15:02:15 +0000 |
| commit | 6e97442105366adb25aa32c35d2fc97e29145064 (patch) | |
| tree | 62b3f7a1f734a818237534ab6e2e66510e936a66 /package/kernel/mac80211/patches/336-ath9k-declare-required-extra-tx-headroom.patch | |
| parent | 528d38b4e9e878f1a180a8eb2966d4fc53cc0883 (diff) | |
| download | upstream-6e97442105366adb25aa32c35d2fc97e29145064.tar.gz upstream-6e97442105366adb25aa32c35d2fc97e29145064.tar.bz2 upstream-6e97442105366adb25aa32c35d2fc97e29145064.zip | |
ath9k: fix handling of tx headroom for padding (fixes #20556)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 47042
Diffstat (limited to 'package/kernel/mac80211/patches/336-ath9k-declare-required-extra-tx-headroom.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/336-ath9k-declare-required-extra-tx-headroom.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/336-ath9k-declare-required-extra-tx-headroom.patch b/package/kernel/mac80211/patches/336-ath9k-declare-required-extra-tx-headroom.patch new file mode 100644 index 0000000000..4d88591828 --- /dev/null +++ b/package/kernel/mac80211/patches/336-ath9k-declare-required-extra-tx-headroom.patch @@ -0,0 +1,22 @@ +From: Felix Fietkau <nbd@openwrt.org> +Date: Thu, 24 Sep 2015 16:57:37 +0200 +Subject: [PATCH] ath9k: declare required extra tx headroom + +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. + +Cc: stable@vger.kernel.org +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +--- + +--- a/drivers/net/wireless/ath/ath9k/init.c ++++ b/drivers/net/wireless/ath/ath9k/init.c +@@ -875,6 +875,7 @@ static void ath9k_set_hw_capab(struct at + 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; |