diff options
| author | JP Abgrall <jpa@google.com> | 2011-10-25 11:41:29 +0800 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-10-25 11:41:29 +0800 |
| commit | b88c65ae97f8c2bf66c4789ba9d5b056cd88a043 (patch) | |
| tree | eb3e6b4c13e7ddd92028c61add52fd7fa619e2d6 | |
| parent | 1ba6ae994cbbdfca7391ca13aaba76348d285aee (diff) | |
netfilter: xt_qtaguid: fix dev_stats for missing NETDEV_UNREGISTER
Turns out that some devices don't call the notifier chains
with NETDEV_UNREGISTER.
So now we only track up/down as the points for tracking
active/inactive transitions and saving the get_dev_stats().
Change-Id: I948755962b4c64150b4d04f294fb4889f151e42b
Signed-off-by: JP Abgrall <jpa@google.com>
| -rw-r--r-- | net/netfilter/xt_qtaguid.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/net/netfilter/xt_qtaguid.c b/net/netfilter/xt_qtaguid.c index 5afd4192f35..80b5990045b 100644 --- a/net/netfilter/xt_qtaguid.c +++ b/net/netfilter/xt_qtaguid.c @@ -795,12 +795,12 @@ static void iface_stat_update(struct net_device *dev) spin_lock_bh(&iface_stat_list_lock); entry = get_iface_entry(dev->name); if (entry == NULL) { - IF_DEBUG("qtaguid: iface_stat_update: dev=%s not tracked\n", + IF_DEBUG("qtaguid: iface_stat: update(%s): not tracked\n", dev->name); spin_unlock_bh(&iface_stat_list_lock); return; } - IF_DEBUG("qtaguid: iface_stat_update: dev=%s entry=%p\n", + IF_DEBUG("qtaguid: iface_stat: update(%s): entry=%p\n", dev->name, entry); if (entry->active) { entry->tx_bytes += stats->tx_bytes; @@ -808,8 +808,11 @@ static void iface_stat_update(struct net_device *dev) entry->rx_bytes += stats->rx_bytes; entry->rx_packets += stats->rx_packets; entry->active = false; + IF_DEBUG("qtaguid: iface_stat: update(%s): " + " disable tracking. rx/tx=%llu/%llu\n", + dev->name, stats->rx_bytes, stats->tx_bytes); } else { - IF_DEBUG("qtaguid: iface_stat_update: dev=%s inactive\n", + IF_DEBUG("qtaguid: iface_stat: update(%s): disabled\n", dev->name); } spin_unlock_bh(&iface_stat_list_lock); @@ -951,7 +954,7 @@ static int iface_netdev_event_handler(struct notifier_block *nb, case NETDEV_UP: iface_stat_create(dev, NULL); break; - case NETDEV_UNREGISTER: + case NETDEV_DOWN: iface_stat_update(dev); break; } @@ -978,6 +981,12 @@ static int iface_inet6addr_event_handler(struct notifier_block *nb, iface_stat_create_ipv6(dev, ifa); atomic64_inc(&qtu_events.iface_events); break; + case NETDEV_DOWN: + BUG_ON(!ifa || !ifa->idev); + dev = (struct net_device *)ifa->idev->dev; + iface_stat_update(dev); + atomic64_inc(&qtu_events.iface_events); + break; } return NOTIFY_DONE; } @@ -1002,6 +1011,12 @@ static int iface_inetaddr_event_handler(struct notifier_block *nb, iface_stat_create(dev, ifa); atomic64_inc(&qtu_events.iface_events); break; + case NETDEV_DOWN: + BUG_ON(!ifa || !ifa->ifa_dev); + dev = ifa->ifa_dev->dev; + iface_stat_update(dev); + atomic64_inc(&qtu_events.iface_events); + break; } return NOTIFY_DONE; } |