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[2003:ea:8f00:6a00:f90c:2907:849f:701c]) by smtp.googlemail.com with ESMTPSA id j10sm10013041edy.97.2020.10.12.01.21.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Oct 2020 01:21:55 -0700 (PDT) Subject: [PATCH net-next v2 10/12] mac80211: use new function dev_fetch_sw_netstats From: Heiner Kallweit To: David Miller , Jakub Kicinski , =?utf-8?q?Bj=C3=B8rn_Mork?= , Oliver Neukum , Igor Mitsyanko , Sergey Matyukevich , Kalle Valo , Roopa Prabhu , Nikolay Aleksandrov , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , Alexey Kuznetsov , Hideaki YOSHIFUJI , Johannes Berg , Pravin B Shelar , Steffen Klassert , Herbert Xu Cc: "netdev@vger.kernel.org" , linux-rdma@vger.kernel.org, Linux USB Mailing List , linux-wireless , bridge@lists.linux-foundation.org References: Message-ID: <93dda477-70ae-0ccf-71b4-bfebb66c9beb@gmail.com> Date: Mon, 12 Oct 2020 10:18:19 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit --- net/mac80211/iface.c | 23 +---------------------- 1 file changed, 1 insertion(+), 22 deletions(-) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 240862a74..1be775979 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -709,28 +709,7 @@ static u16 ieee80211_netdev_select_queue(struct net_device *dev, static void ieee80211_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) { - int i; - - for_each_possible_cpu(i) { - const struct pcpu_sw_netstats *tstats; - u64 rx_packets, rx_bytes, tx_packets, tx_bytes; - unsigned int start; - - tstats = per_cpu_ptr(dev->tstats, i); - - do { - start = u64_stats_fetch_begin_irq(&tstats->syncp); - rx_packets = tstats->rx_packets; - tx_packets = tstats->tx_packets; - rx_bytes = tstats->rx_bytes; - tx_bytes = tstats->tx_bytes; - } while (u64_stats_fetch_retry_irq(&tstats->syncp, start)); - - stats->rx_packets += rx_packets; - stats->tx_packets += tx_packets; - stats->rx_bytes += rx_bytes; - stats->tx_bytes += tx_bytes; - } + dev_fetch_sw_netstats(stats, dev->tstats); } static const struct net_device_ops ieee80211_dataif_ops = {