netdev - [PATCH 9/9 net-next] ipv4: use dev_sw_netstats_rx

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:   Mon,  5 Oct 2020 22:37:12 +0200
From:   Fabian Frederick <fabf@...net.be>
To:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org
Cc:     yoshfuji@...ux-ipv6.org, kuznet@....inr.ac.ru,
        Fabian Frederick <fabf@...net.be>
Subject: [PATCH 9/9 net-next] ipv4: use dev_sw_netstats_rx_add()

use new helper for netstats settings

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 net/ipv4/ip_tunnel.c | 8 +-------
 net/ipv4/ip_vti.c    | 9 +--------
 2 files changed, 2 insertions(+), 15 deletions(-)

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 0c1f364044715..8b04d1dcfec4e 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -360,7 +360,6 @@ int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
 		  const struct tnl_ptk_info *tpi, struct metadata_dst *tun_dst,
 		  bool log_ecn_error)
 {
-	struct pcpu_sw_netstats *tstats;
 	const struct iphdr *iph = ip_hdr(skb);
 	int err;
 
@@ -402,12 +401,7 @@ int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
 		}
 	}
 
-	tstats = this_cpu_ptr(tunnel->dev->tstats);
-	u64_stats_update_begin(&tstats->syncp);
-	tstats->rx_packets++;
-	tstats->rx_bytes += skb->len;
-	u64_stats_update_end(&tstats->syncp);
-
+	dev_sw_netstats_rx_add(tunnel->dev, skb->len);
 	skb_scrub_packet(skb, !net_eq(tunnel->net, dev_net(tunnel->dev)));
 
 	if (tunnel->dev->type == ARPHRD_ETHER) {
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 49daaed897649..6500e8bce8bd4 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -95,7 +95,6 @@ static int vti_rcv_cb(struct sk_buff *skb, int err)
 {
 	unsigned short family;
 	struct net_device *dev;
-	struct pcpu_sw_netstats *tstats;
 	struct xfrm_state *x;
 	const struct xfrm_mode *inner_mode;
 	struct ip_tunnel *tunnel = XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4;
@@ -138,13 +137,7 @@ static int vti_rcv_cb(struct sk_buff *skb, int err)
 
 	skb_scrub_packet(skb, !net_eq(tunnel->net, dev_net(skb->dev)));
 	skb->dev = dev;
-
-	tstats = this_cpu_ptr(dev->tstats);
-
-	u64_stats_update_begin(&tstats->syncp);
-	tstats->rx_packets++;
-	tstats->rx_bytes += skb->len;
-	u64_stats_update_end(&tstats->syncp);
+	dev_sw_netstats_rx_add(dev, skb->len);
 
 	return 0;
 }
-- 
2.28.0