From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:36304 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751704AbbJ0CPL (ORCPT ); Mon, 26 Oct 2015 22:15:11 -0400 Subject: Patch "ath9k: declare required extra tx headroom" has been added to the 3.10-stable tree To: nbd@openwrt.org, gregkh@linuxfoundation.org, kvalo@codeaurora.org Cc: , From: Date: Tue, 27 Oct 2015 11:15:07 +0900 Message-ID: <144591210725194@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: 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 know about it. >>From 029cd0370241641eb70235d205aa0b90c84dce44 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 24 Sep 2015 16:59:46 +0200 Subject: ath9k: declare required extra tx headroom From: Felix Fietkau 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 Signed-off-by: Kalle Valo Signed-off-by: Greg Kroah-Hartman --- 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@openwrt.org are queue-3.10/ath9k-declare-required-extra-tx-headroom.patch