From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1555AC282CA for ; Sun, 27 Jan 2019 10:19:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D9BDF217D7 for ; Sun, 27 Jan 2019 10:19:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726749AbfA0KTX (ORCPT ); Sun, 27 Jan 2019 05:19:23 -0500 Received: from paleale.coelho.fi ([176.9.41.70]:51274 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726562AbfA0KTW (ORCPT ); Sun, 27 Jan 2019 05:19:22 -0500 Received: from 91-156-4-241.elisa-laajakaista.fi ([91.156.4.241] helo=redipa.ger.corp.intel.com) by farmhouse.coelho.fi with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.91) (envelope-from ) id 1gnhX6-0001vC-T1; Sun, 27 Jan 2019 12:19:21 +0200 From: Luca Coelho To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, Johannes Berg , Danny Alexander , Luca Coelho Date: Sun, 27 Jan 2019 12:18:48 +0200 Message-Id: <20190127101908.6428-2-luca@coelho.fi> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190127101908.6428-1-luca@coelho.fi> References: <20190127101908.6428-1-luca@coelho.fi> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [PATCH 01/21] iwlwifi: mvm: fix A-MPDU reference assignment Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Johannes Berg The current code assigns the reference, and then goes to increment it if the toggle bit has changed. That way, we get Toggle 0 0 0 0 1 1 1 1 ID 1 1 1 1 1 2 2 2 Fix that by assigning the post-toggle ID to get Toggle 0 0 0 0 1 1 1 1 ID 1 1 1 1 2 2 2 2 Reported-by: Danny Alexander Signed-off-by: Johannes Berg Fixes: fbe4112791b8 ("iwlwifi: mvm: update mpdu metadata API") Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 9342f61b702e..120e3f2d21aa 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -1438,12 +1438,12 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, bool toggle_bit = phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE; rx_status->flag |= RX_FLAG_AMPDU_DETAILS; - rx_status->ampdu_reference = mvm->ampdu_ref; /* toggle is switched whenever new aggregation starts */ if (toggle_bit != mvm->ampdu_toggle) { mvm->ampdu_ref++; mvm->ampdu_toggle = toggle_bit; } + rx_status->ampdu_reference = mvm->ampdu_ref; } rcu_read_lock(); -- 2.20.1