Return-path: Received: from s3.sipsolutions.net ([144.76.43.152]:42294 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754212AbaAFLEj (ORCPT ); Mon, 6 Jan 2014 06:04:39 -0500 From: Johannes Berg To: linux-wireless@vger.kernel.org Cc: Johannes Berg Subject: [PATCH] mac80211: add tracing for ieee80211_sta_set_buffered Date: Mon, 6 Jan 2014 12:04:30 +0100 Message-Id: <1389006270-21768-1-git-send-email-johannes@sipsolutions.net> (sfid-20140106_120442_243958_09E1FBFA) Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Johannes Berg This is useful for debugging issues with drivers using this function (erroneously), so add tracing for the API call. Change-Id: Ice9d7eabb8fecbac188f0a741920d3488de700ec Signed-off-by: Johannes Berg --- net/mac80211/sta_info.c | 2 ++ net/mac80211/trace.h | 27 +++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 4576ba0..8da3af2 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1485,6 +1485,8 @@ void ieee80211_sta_set_buffered(struct ieee80211_sta *pubsta, if (WARN_ON(tid >= IEEE80211_NUM_TIDS)) return; + trace_api_sta_set_buffered(sta->local, pubsta, tid, buffered); + if (buffered) set_bit(tid, &sta->driver_buffered_tids); else diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index da93666..a0b0aea 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -1835,6 +1835,33 @@ TRACE_EVENT(api_eosp, ) ); +TRACE_EVENT(api_sta_set_buffered, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sta *sta, + u8 tid, bool buffered), + + TP_ARGS(local, sta, tid, buffered), + + TP_STRUCT__entry( + LOCAL_ENTRY + STA_ENTRY + __field(u8, tid) + __field(bool, buffered) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + STA_ASSIGN; + __entry->tid = tid; + __entry->buffered = buffered; + ), + + TP_printk( + LOCAL_PR_FMT STA_PR_FMT " tid:%d buffered:%d", + LOCAL_PR_ARG, STA_PR_ARG, __entry->tid, __entry->buffered + ) +); + /* * Tracing for internal functions * (which may also be called in response to driver calls) -- 1.8.5.1