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=-8.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 3297FC43143 for ; Sat, 29 Sep 2018 13:11:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 844902087A for ; Sat, 29 Sep 2018 13:11:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=nbd.name header.i=@nbd.name header.b="HNVC9yS4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 844902087A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=nbd.name Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728085AbeI2TeS (ORCPT ); Sat, 29 Sep 2018 15:34:18 -0400 Received: from nbd.name ([46.4.11.11]:48618 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727954AbeI2TeS (ORCPT ); Sat, 29 Sep 2018 15:34:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Message-Id:Date:Subject:To:From:Sender:Reply-To:Cc: MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=Su8IB44WmXmnES8CPu+SQ2TwLZzmqoOPkB77gpf2xTk=; b=HNVC9yS4SOHdnhMdBX9b3/pCDQ p6G1vDCXC58NHqLaUEb7Z2oPTUlAiBXI4mevwmPGz2ETzBYqPgZf6eZaSy8BGliSMIjFgCPql3Im0 30xH/EJumUm5h0jk+lv2//JklEBhO6w8a9LTXdjlv9CXO+X0uF5ZuTCupWs70IOKQ3RM=; Received: by maeck.local (Postfix, from userid 501) id 476743B53453; Sat, 29 Sep 2018 15:05:50 +0200 (CEST) From: Felix Fietkau To: linux-wireless@vger.kernel.org Subject: [PATCH 1/2] mt76: fix handling ps-poll frames Date: Sat, 29 Sep 2018 15:05:49 +0200 Message-Id: <20180929130550.86187-1-nbd@nbd.name> X-Mailer: git-send-email 2.17.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hardware station lookup for pspoll frames can fail, which makes the driver ignore ps-poll frames. Fix the resulting powersave issues by looking up the station for pspoll frames in software Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mac80211.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index 639cbafc1d50..2a699e8b79bf 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -550,6 +550,12 @@ mt76_check_ps(struct mt76_dev *dev, struct sk_buff *skb) struct mt76_wcid *wcid = status->wcid; bool ps; + if (ieee80211_is_pspoll(hdr->frame_control) && !wcid) { + sta = ieee80211_find_sta_by_ifaddr(dev->hw, hdr->addr2, NULL); + if (sta) + wcid = status->wcid = (struct mt76_wcid *) sta->drv_priv; + } + if (!wcid || !wcid->sta) return; -- 2.17.0