1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
From: Markus Theil <markus.theil@tu-ilmenau.de>
Date: Wed, 18 Dec 2019 15:27:36 +0100
Subject: [PATCH] mac80211: fix tx status for no ack cases
Before this patch, frames which where successfully transmitted without
requiring acks where accounted as lost frames.
Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Link: https://lore.kernel.org/r/20191218142736.15843-1-markus.theil@tu-ilmenau.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -719,6 +719,7 @@ static void __ieee80211_tx_status(struct
int rates_idx;
bool send_to_cooked;
bool acked;
+ bool noack_success;
struct ieee80211_bar *bar;
int shift = 0;
int tid = IEEE80211_NUM_TIDS;
@@ -736,6 +737,8 @@ static void __ieee80211_tx_status(struct
clear_sta_flag(sta, WLAN_STA_SP);
acked = !!(info->flags & IEEE80211_TX_STAT_ACK);
+ noack_success = !!(info->flags &
+ IEEE80211_TX_STAT_NOACK_TRANSMITTED);
/* mesh Peer Service Period support */
if (ieee80211_vif_is_mesh(&sta->sdata->vif) &&
@@ -800,12 +803,12 @@ static void __ieee80211_tx_status(struct
ieee80211_handle_filtered_frame(local, sta, skb);
return;
} else {
- if (!acked)
+ if (!acked && !noack_success)
sta->status_stats.retry_failed++;
sta->status_stats.retry_count += retry_count;
if (ieee80211_is_data_present(fc)) {
- if (!acked)
+ if (!acked && !noack_success)
sta->status_stats.msdu_failed[tid]++;
sta->status_stats.msdu_retries[tid] +=
@@ -826,7 +829,7 @@ static void __ieee80211_tx_status(struct
acked, info->status.tx_time);
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
- if (info->flags & IEEE80211_TX_STAT_ACK) {
+ if (acked) {
if (sta->status_stats.lost_packets)
sta->status_stats.lost_packets = 0;
@@ -834,6 +837,8 @@ static void __ieee80211_tx_status(struct
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
sta->status_stats.last_tdls_pkt_time =
jiffies;
+ } else if (noack_success) {
+ /* nothing to do here, do not account as lost */
} else {
ieee80211_lost_packet(sta, info);
}
@@ -959,7 +964,7 @@ void ieee80211_tx_status_ext(struct ieee
sta = container_of(pubsta, struct sta_info, sta);
- if (!acked)
+ if (!acked && !noack_success)
sta->status_stats.retry_failed++;
sta->status_stats.retry_count += retry_count;
@@ -974,6 +979,8 @@ void ieee80211_tx_status_ext(struct ieee
sta->status_stats.last_tdls_pkt_time = jiffies;
} else if (test_sta_flag(sta, WLAN_STA_PS_STA)) {
return;
+ } else if (noack_success) {
+ /* nothing to do here, do not account as lost */
} else {
ieee80211_lost_packet(sta, info);
}
|
