diff options
| author | David S. Miller <davem@davemloft.net> | 2014-01-06 17:37:45 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-01-06 17:37:45 -0500 |
| commit | 56a4342dfe3145cd66f766adccb28fd9b571606d (patch) | |
| tree | d1593764488ff8cbb0b83cb9ae35fd968bf81760 /net/ipv6/ip6_tunnel.c | |
| parent | 805c1f4aedaba1bc8d839e7c27b128083dd5c2f0 (diff) | |
| parent | fe0d692bbc645786bce1a98439e548ae619269f5 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
net/ipv6/ip6_tunnel.c
net/ipv6/ip6_vti.c
ipv6 tunnel statistic bug fixes conflicting with consolidation into
generic sw per-cpu net stats.
qlogic conflict between queue counting bug fix and the addition
of multiple MAC address support.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
| -rw-r--r-- | net/ipv6/ip6_tunnel.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 02894216a46d..1e5e2404f1af 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -101,17 +101,26 @@ struct ip6_tnl_net { static struct net_device_stats *ip6_get_stats(struct net_device *dev) { - struct pcpu_sw_netstats sum = { 0 }; + struct pcpu_sw_netstats tmp, sum = { 0 }; int i; for_each_possible_cpu(i) { + unsigned int start; const struct pcpu_sw_netstats *tstats = per_cpu_ptr(dev->tstats, i); - sum.rx_packets += tstats->rx_packets; - sum.rx_bytes += tstats->rx_bytes; - sum.tx_packets += tstats->tx_packets; - sum.tx_bytes += tstats->tx_bytes; + do { + start = u64_stats_fetch_begin_bh(&tstats->syncp); + tmp.rx_packets = tstats->rx_packets; + tmp.rx_bytes = tstats->rx_bytes; + tmp.tx_packets = tstats->tx_packets; + tmp.tx_bytes = tstats->tx_bytes; + } while (u64_stats_fetch_retry_bh(&tstats->syncp, start)); + + sum.rx_packets += tmp.rx_packets; + sum.rx_bytes += tmp.rx_bytes; + sum.tx_packets += tmp.tx_packets; + sum.tx_bytes += tmp.tx_bytes; } dev->stats.rx_packets = sum.rx_packets; dev->stats.rx_bytes = sum.rx_bytes; @@ -823,8 +832,10 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol, } tstats = this_cpu_ptr(t->dev->tstats); + u64_stats_update_begin(&tstats->syncp); tstats->rx_packets++; tstats->rx_bytes += skb->len; + u64_stats_update_end(&tstats->syncp); netif_rx(skb); |