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-rw-r--r--net/core/gen_stats.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
index ac679f74ba47..1d653fbfcf52 100644
--- a/net/core/gen_stats.c
+++ b/net/core/gen_stats.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* net/core/gen_stats.c
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* Authors: Thomas Graf <tgraf@suug.ch>
* Jamal Hadi Salim
* Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
@@ -127,8 +123,7 @@ __gnet_stats_copy_basic_cpu(struct gnet_stats_basic_packed *bstats,
for_each_possible_cpu(i) {
struct gnet_stats_basic_cpu *bcpu = per_cpu_ptr(cpu, i);
unsigned int start;
- u64 bytes;
- u32 packets;
+ u64 bytes, packets;
do {
start = u64_stats_fetch_begin_irq(&bcpu->syncp);
@@ -180,12 +175,17 @@ ___gnet_stats_copy_basic(const seqcount_t *running,
if (d->tail) {
struct gnet_stats_basic sb;
+ int res;
memset(&sb, 0, sizeof(sb));
sb.bytes = bstats.bytes;
sb.packets = bstats.packets;
- return gnet_stats_copy(d, type, &sb, sizeof(sb),
- TCA_STATS_PAD);
+ res = gnet_stats_copy(d, type, &sb, sizeof(sb), TCA_STATS_PAD);
+ if (res < 0 || sb.packets == bstats.packets)
+ return res;
+ /* emit 64bit stats only if needed */
+ return gnet_stats_copy(d, TCA_STATS_PKT64, &bstats.packets,
+ sizeof(bstats.packets), TCA_STATS_PAD);
}
return 0;
}
@@ -291,6 +291,7 @@ __gnet_stats_copy_queue_cpu(struct gnet_stats_queue *qstats,
for_each_possible_cpu(i) {
const struct gnet_stats_queue *qcpu = per_cpu_ptr(q, i);
+ qstats->qlen = 0;
qstats->backlog += qcpu->backlog;
qstats->drops += qcpu->drops;
qstats->requeues += qcpu->requeues;
@@ -306,6 +307,7 @@ void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats,
if (cpu) {
__gnet_stats_copy_queue_cpu(qstats, cpu);
} else {
+ qstats->qlen = q->qlen;
qstats->backlog = q->backlog;
qstats->drops = q->drops;
qstats->requeues = q->requeues;