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From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Date: Fri, 2 Nov 2018 21:49:56 +0100
Subject: [PATCH] ath9k: dynack: move debug log after buffer increments
Move debug log in ath_dynack_sample_tx_ts and ath_dynack_sample_ack_ts
after timestamp buffer head/tail increments in order to make debugging
more user friendly
Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
---
--- a/drivers/net/wireless/ath/ath9k/dynack.c
+++ b/drivers/net/wireless/ath/ath9k/dynack.c
@@ -171,11 +171,12 @@ static void ath_dynack_compute_to(struct
void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
struct ath_tx_status *ts)
{
- u8 ridx;
struct ieee80211_hdr *hdr;
struct ath_dynack *da = &ah->dynack;
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ u32 dur = ts->duration;
+ u8 ridx;
if ((info->flags & IEEE80211_TX_CTL_NO_ACK) || !da->enabled)
return;
@@ -203,14 +204,13 @@ void ath_dynack_sample_tx_ts(struct ath_
ridx = ts->ts_rateindex;
da->st_rbf.ts[da->st_rbf.t_rb].tstamp = ts->ts_tstamp;
- da->st_rbf.ts[da->st_rbf.t_rb].dur = ts->duration;
ether_addr_copy(da->st_rbf.addr[da->st_rbf.t_rb].h_dest, hdr->addr1);
ether_addr_copy(da->st_rbf.addr[da->st_rbf.t_rb].h_src, hdr->addr2);
if (!(info->status.rates[ridx].flags & IEEE80211_TX_RC_MCS)) {
- u32 phy, sifs;
const struct ieee80211_rate *rate;
struct ieee80211_tx_rate *rates = info->status.rates;
+ u32 phy;
rate = &common->sbands[info->band].bitrates[rates[ridx].idx];
if (info->band == NL80211_BAND_2GHZ &&
@@ -219,19 +219,18 @@ void ath_dynack_sample_tx_ts(struct ath_
else
phy = WLAN_RC_PHY_OFDM;
- sifs = ath_dynack_get_sifs(ah, phy);
- da->st_rbf.ts[da->st_rbf.t_rb].dur -= sifs;
+ dur -= ath_dynack_get_sifs(ah, phy);
}
-
- ath_dbg(common, DYNACK, "{%pM} tx sample %u [dur %u][h %u-t %u]\n",
- hdr->addr1, da->st_rbf.ts[da->st_rbf.t_rb].tstamp,
- da->st_rbf.ts[da->st_rbf.t_rb].dur, da->st_rbf.h_rb,
- (da->st_rbf.t_rb + 1) % ATH_DYN_BUF);
+ da->st_rbf.ts[da->st_rbf.t_rb].dur = dur;
INCR(da->st_rbf.t_rb, ATH_DYN_BUF);
if (da->st_rbf.t_rb == da->st_rbf.h_rb)
INCR(da->st_rbf.h_rb, ATH_DYN_BUF);
+ ath_dbg(common, DYNACK, "{%pM} tx sample %u [dur %u][h %u-t %u]\n",
+ hdr->addr1, ts->ts_tstamp, dur, da->st_rbf.h_rb,
+ da->st_rbf.t_rb);
+
ath_dynack_compute_to(ah);
spin_unlock_bh(&da->qlock);
@@ -258,14 +257,13 @@ void ath_dynack_sample_ack_ts(struct ath
spin_lock_bh(&da->qlock);
da->ack_rbf.tstamp[da->ack_rbf.t_rb] = ts;
- ath_dbg(common, DYNACK, "rx sample %u [h %u-t %u]\n",
- da->ack_rbf.tstamp[da->ack_rbf.t_rb],
- da->ack_rbf.h_rb, (da->ack_rbf.t_rb + 1) % ATH_DYN_BUF);
-
INCR(da->ack_rbf.t_rb, ATH_DYN_BUF);
if (da->ack_rbf.t_rb == da->ack_rbf.h_rb)
INCR(da->ack_rbf.h_rb, ATH_DYN_BUF);
+ ath_dbg(common, DYNACK, "rx sample %u [h %u-t %u]\n",
+ ts, da->ack_rbf.h_rb, da->ack_rbf.t_rb);
+
ath_dynack_compute_to(ah);
spin_unlock_bh(&da->qlock);
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