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netfilter: xt_qtaguid: Allow tracking loopback

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In the past it would always ignore interfaces with loopback addresses.
Now we just treat them like any other.
This also helps with writing tests that check for the presence
of the qtaguid module.

Signed-off-by: JP Abgrall <jpa@google.com>
This commit is contained in:
JP Abgrall 2013-02-06 17:40:07 -08:00 • committed by John Stultz
parent 0a01933030
commit f2bece1c3d
1 changed files with 4 additions and 15 deletions
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19
net/netfilter/xt_qtaguid.c
View file

@ -1108,18 +1108,13 @@ static void iface_stat_create(struct net_device *net_dev,
spin_lock_bh(&iface_stat_list_lock);
entry = get_iface_entry(ifname);
if (entry != NULL) {
bool activate = !ipv4_is_loopback(ipaddr);
IF_DEBUG("qtaguid: iface_stat: create(%s): entry=%p\n",
ifname, entry);
iface_check_stats_reset_and_adjust(net_dev, entry);
_iface_stat_set_active(entry, net_dev, activate);
_iface_stat_set_active(entry, net_dev, true);
IF_DEBUG("qtaguid: %s(%s): "
"tracking now %d on ip=%pI4\n", __func__,
entry->ifname, activate, &ipaddr);
goto done_unlock_put;
} else if (ipv4_is_loopback(ipaddr)) {
IF_DEBUG("qtaguid: iface_stat: create(%s): "
"ignore loopback dev. ip=%pI4\n", ifname, &ipaddr);
entry->ifname, true, &ipaddr);
goto done_unlock_put;
}
@ -1170,19 +1165,13 @@ static void iface_stat_create_ipv6(struct net_device *net_dev,
spin_lock_bh(&iface_stat_list_lock);
entry = get_iface_entry(ifname);
if (entry != NULL) {
bool activate = !(addr_type & IPV6_ADDR_LOOPBACK);
IF_DEBUG("qtaguid: %s(%s): entry=%p\n", __func__,
ifname, entry);
iface_check_stats_reset_and_adjust(net_dev, entry);
_iface_stat_set_active(entry, net_dev, activate);
_iface_stat_set_active(entry, net_dev, true);
IF_DEBUG("qtaguid: %s(%s): "
"tracking now %d on ip=%pI6c\n", __func__,
entry->ifname, activate, &ifa->addr);
goto done_unlock_put;
} else if (addr_type & IPV6_ADDR_LOOPBACK) {
IF_DEBUG("qtaguid: %s(%s): "
"ignore loopback dev. ip=%pI6c\n", __func__,
ifname, &ifa->addr);
entry->ifname, true, &ifa->addr);
goto done_unlock_put;
}