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Date: Sat, 09 Sep 2017 22:47:14 +0100
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org, "Sven Eckelmann" <sven@...fation.org>,
"Simon Wunderlich" <sw@...onwunderlich.de>
Subject: [PATCH 3.16 069/233] batman-adv: Fix rx packet/bytes stats on
local ARP reply
3.16.48-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Sven Eckelmann <sven@...fation.org>
commit 36d4d68cd658d914ef73ac845705c4a89e7d9e2f upstream.
The stats are generated by batadv_interface_stats and must not be stored
directly in the net_device stats member variable. The batadv_priv
bat_counters information is assembled when ndo_get_stats is called. The
stats previously stored in net_device::stats is then overwritten.
The batman-adv counters must therefore be increased when an ARP packet is
answered locally via the distributed arp table.
Fixes: c384ea3ec930 ("batman-adv: Distributed ARP Table - add snooping functions for ARP messages")
Signed-off-by: Sven Eckelmann <sven@...fation.org>
Signed-off-by: Simon Wunderlich <sw@...onwunderlich.de>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
net/batman-adv/distributed-arp-table.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -969,8 +969,9 @@ bool batadv_dat_snoop_outgoing_arp_reque
skb_reset_mac_header(skb_new);
skb_new->protocol = eth_type_trans(skb_new,
bat_priv->soft_iface);
- bat_priv->stats.rx_packets++;
- bat_priv->stats.rx_bytes += skb->len + ETH_HLEN + hdr_size;
+ batadv_inc_counter(bat_priv, BATADV_CNT_RX);
+ batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES,
+ skb->len + ETH_HLEN + hdr_size);
bat_priv->soft_iface->last_rx = jiffies;
netif_rx(skb_new);
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