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Message-Id: <20190417161735.69637-5-jwi@linux.ibm.com>
Date: Wed, 17 Apr 2019 18:17:31 +0200
From: Julian Wiedmann <jwi@...ux.ibm.com>
To: David Miller <davem@...emloft.net>
Cc: <netdev@...r.kernel.org>, <linux-s390@...r.kernel.org>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Stefan Raspl <raspl@...ux.ibm.com>,
Ursula Braun <ubraun@...ux.ibm.com>,
Julian Wiedmann <jwi@...ux.ibm.com>
Subject: [PATCH net-next 4/8] s390/qeth: don't keep statistics for tx timeout
struct netdev_queue contains a counter for tx timeouts, which gets
updated by dev_watchdog(). So let's not attempt to maintain our own
statistics, in particular not by overloading the skb-error counter.
Signed-off-by: Julian Wiedmann <jwi@...ux.ibm.com>
---
drivers/s390/net/qeth_core.h | 1 -
drivers/s390/net/qeth_core_main.c | 2 --
2 files changed, 3 deletions(-)
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 41e3bc4887fe..730930135aba 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -464,7 +464,6 @@ struct qeth_card_stats {
u64 rx_errors;
u64 rx_dropped;
u64 rx_multicast;
- u64 tx_errors;
};
struct qeth_out_q_stats {
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 9e495df742cb..09ed9e04f4ca 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -4340,7 +4340,6 @@ void qeth_tx_timeout(struct net_device *dev)
card = dev->ml_priv;
QETH_CARD_TEXT(card, 4, "txtimeo");
- QETH_CARD_STAT_INC(card, tx_errors);
qeth_schedule_recovery(card);
}
EXPORT_SYMBOL_GPL(qeth_tx_timeout);
@@ -6192,7 +6191,6 @@ void qeth_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
stats->rx_errors = card->stats.rx_errors;
stats->rx_dropped = card->stats.rx_dropped;
stats->multicast = card->stats.rx_multicast;
- stats->tx_errors = card->stats.tx_errors;
for (i = 0; i < card->qdio.no_out_queues; i++) {
queue = card->qdio.out_qs[i];
--
2.16.4
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