From patchwork Thu Jan 18 12:40:41 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Venkateswara Naralasetty X-Patchwork-Id: 10173141 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 573A7602DC for ; Thu, 18 Jan 2018 12:40:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 51D5327FB0 for ; Thu, 18 Jan 2018 12:40:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 44D4527FC0; Thu, 18 Jan 2018 12:40:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CCB4727FC0 for ; Thu, 18 Jan 2018 12:40:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932228AbeARMks (ORCPT ); Thu, 18 Jan 2018 07:40:48 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:46432 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750948AbeARMkr (ORCPT ); Thu, 18 Jan 2018 07:40:47 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 0357B60802; Thu, 18 Jan 2018 12:40:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1516279247; bh=BEPdxfPGl6H8bx4RWYjOMQSWq9UB7F6QwwoE5SsdGaA=; h=From:To:Cc:Subject:Date:From; b=LN8RK9bQGUI/RPW2mZHxJ+ntdi1ABZ6ZoD5udyFRhJoVAlM0m2xzP+WY+BgutYsrr AZIE9M251NxqKojWyQTE4GHN0pkMq0ya/B80SnWLePZ6EvC8DseNDh8gQlSYqFE323 Gh5LJ0Il9jAo/DHr3gQ997X+/mhOqK/yhzm5df4E= Received: from tejas.qca.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: vnaralas@codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 3DE3C6074C; Thu, 18 Jan 2018 12:40:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1516279246; bh=BEPdxfPGl6H8bx4RWYjOMQSWq9UB7F6QwwoE5SsdGaA=; h=From:To:Cc:Subject:Date:From; b=ZTm8VQhnMvzDXss8AxTcILTd69WyGU0ObGLZpBGRr+Ry3rvJrKnrDRadr+z+bi83v AMo7QAuwGeaxRbqO25jKDXVPD3Ig0ZGiDSsdk56uDAGZT8UMkBq2YnhSlxCtZat+kF LaZaESAnbZdcincW/nke8wuyJLhv3Y+fOg0hjFCI= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 3DE3C6074C Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=vnaralas@codeaurora.org From: Venkateswara Naralasetty To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Bhagavathi Perumal S , Venkateswara Naralasetty Subject: [PATCH 2/2] mac80211: Add tx ack signal support in sta info Date: Thu, 18 Jan 2018 18:10:41 +0530 Message-Id: <1516279241-16536-1-git-send-email-vnaralas@codeaurora.org> X-Mailer: git-send-email 2.7.4 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Bhagavathi Perumal S This allows users to get ack signal strength of last transmitted frame. Signed-off-by: Bhagavathi Perumal S Signed-off-by: Venkateswara Naralasetty --- net/mac80211/sta_info.c | 6 ++++++ net/mac80211/sta_info.h | 1 + net/mac80211/status.c | 5 ++++- 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 0c5627f..b20b9f3 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -2287,6 +2287,12 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) sinfo->filled |= BIT(NL80211_STA_INFO_EXPECTED_THROUGHPUT); sinfo->expected_throughput = thr; } + + if (!(sinfo->filled & BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL)) && + sta->status_stats.last_ack_signal) { + sinfo->ack_signal = sta->status_stats.last_ack_signal; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_ACK_SIGNAL); + } } u32 sta_get_expected_throughput(struct sta_info *sta) diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index cd53619..f4bf0c3 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -548,6 +548,7 @@ struct sta_info { u64 msdu_retries[IEEE80211_NUM_TIDS + 1]; u64 msdu_failed[IEEE80211_NUM_TIDS + 1]; unsigned long last_ack; + s8 last_ack_signal; } status_stats; /* Updated from TX path only, no locking requirements */ diff --git a/net/mac80211/status.c b/net/mac80211/status.c index da7427a..3180f02 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -187,9 +187,12 @@ static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb) struct ieee80211_mgmt *mgmt = (void *) skb->data; struct ieee80211_local *local = sta->local; struct ieee80211_sub_if_data *sdata = sta->sdata; + struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); - if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) + if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) { sta->status_stats.last_ack = jiffies; + sta->status_stats.last_ack_signal = (s8)txinfo->status.ack_signal; + } if (ieee80211_is_data_qos(mgmt->frame_control)) { struct ieee80211_hdr *hdr = (void *) skb->data;