Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:46234 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750948AbeARMkQ (ORCPT ); Thu, 18 Jan 2018 07:40:16 -0500 From: Venkateswara Naralasetty To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Bhagavathi Perumal S , Venkateswara Naralasetty Subject: [PATCH 1/2] cfg80211: Add tx ack signal attribute in sta info Date: Thu, 18 Jan 2018 18:10:08 +0530 Message-Id: <1516279208-16485-1-git-send-email-vnaralas@codeaurora.org> (sfid-20180118_134021_183500_3EDD0028) Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Bhagavathi Perumal S This patch provides support for users to get ack signal strength of last transmitted by introducing new attribute 'NL80211_STA_INFO_ACK_SIGNAL'. Signed-off-by: Bhagavathi Perumal S Signed-off-by: Venkateswara Naralasetty --- include/net/cfg80211.h | 2 ++ include/uapi/linux/nl80211.h | 2 ++ net/wireless/nl80211.c | 1 + 3 files changed, 5 insertions(+) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 3a4a1a9..1236bea 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1145,6 +1145,7 @@ struct cfg80211_tid_stats { * @rx_duration: aggregate PPDU duration(usecs) for all the frames from a peer * @pertid: per-TID statistics, see &struct cfg80211_tid_stats, using the last * (IEEE80211_NUM_TIDS) index for MSDUs not encapsulated in QoS-MPDUs. + * @ack_signal: signal strength (in dBm) of the last ACK frame. */ struct station_info { u64 filled; @@ -1189,6 +1190,7 @@ struct station_info { u64 rx_duration; u8 rx_beacon_signal_avg; struct cfg80211_tid_stats pertid[IEEE80211_NUM_TIDS + 1]; + s8 ack_signal; }; #if IS_ENABLED(CONFIG_CFG80211) diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index c587a61..5a1568d 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -2899,6 +2899,7 @@ enum nl80211_sta_bss_param { * @NL80211_STA_INFO_RX_DURATION: aggregate PPDU duration for all frames * received from the station (u64, usec) * @NL80211_STA_INFO_PAD: attribute used for padding for 64-bit alignment + * @NL80211_STA_INFO_ACK_SIGNAL: signal strength of the last ACK frame(u8, dBm) * @__NL80211_STA_INFO_AFTER_LAST: internal * @NL80211_STA_INFO_MAX: highest possible station info attribute */ @@ -2937,6 +2938,7 @@ enum nl80211_sta_info { NL80211_STA_INFO_TID_STATS, NL80211_STA_INFO_RX_DURATION, NL80211_STA_INFO_PAD, + NL80211_STA_INFO_ACK_SIGNAL, /* keep last */ __NL80211_STA_INFO_AFTER_LAST, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b3f8970..94c623e 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4479,6 +4479,7 @@ static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); PUT_SINFO_U64(BEACON_RX, rx_beacon); PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); + PUT_SINFO(ACK_SIGNAL, ack_signal, u8); #undef PUT_SINFO #undef PUT_SINFO_U64 -- 2.7.4