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authorPatrick McHardy <kaber@trash.net>2010-07-02 11:32:57 +0400
committerPatrick McHardy <kaber@trash.net>2010-07-02 11:32:57 +0400
commit4df53d8bab65cf2c18daebd51a5a4847e03f1943 (patch)
treef776c088d9d525672eac2e95ef1d183e52d88837 /net/bridge/br_sysfs_br.c
parent7eb9282cd0efac08b8377cbd5037ba297c77e3f7 (diff)
downloadlinux-4df53d8bab65cf2c18daebd51a5a4847e03f1943.tar.xz
bridge: add per bridge device controls for invoking iptables
Support more fine grained control of bridge netfilter iptables invocation by adding seperate brnf_call_*tables parameters for each device using the sysfs interface. Packets are passed to layer 3 netfilter when either the global parameter or the per bridge parameter is enabled. Acked-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/bridge/br_sysfs_br.c')
-rw-r--r--net/bridge/br_sysfs_br.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 486b8f3861d2..5c1e5559ebba 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -611,6 +611,73 @@ static DEVICE_ATTR(multicast_startup_query_interval, S_IRUGO | S_IWUSR,
show_multicast_startup_query_interval,
store_multicast_startup_query_interval);
#endif
+#ifdef CONFIG_BRIDGE_NETFILTER
+static ssize_t show_nf_call_iptables(
+ struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct net_bridge *br = to_bridge(d);
+ return sprintf(buf, "%u\n", br->nf_call_iptables);
+}
+
+static int set_nf_call_iptables(struct net_bridge *br, unsigned long val)
+{
+ br->nf_call_iptables = val ? true : false;
+ return 0;
+}
+
+static ssize_t store_nf_call_iptables(
+ struct device *d, struct device_attribute *attr, const char *buf,
+ size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_nf_call_iptables);
+}
+static DEVICE_ATTR(nf_call_iptables, S_IRUGO | S_IWUSR,
+ show_nf_call_iptables, store_nf_call_iptables);
+
+static ssize_t show_nf_call_ip6tables(
+ struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct net_bridge *br = to_bridge(d);
+ return sprintf(buf, "%u\n", br->nf_call_ip6tables);
+}
+
+static int set_nf_call_ip6tables(struct net_bridge *br, unsigned long val)
+{
+ br->nf_call_ip6tables = val ? true : false;
+ return 0;
+}
+
+static ssize_t store_nf_call_ip6tables(
+ struct device *d, struct device_attribute *attr, const char *buf,
+ size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_nf_call_ip6tables);
+}
+static DEVICE_ATTR(nf_call_ip6tables, S_IRUGO | S_IWUSR,
+ show_nf_call_ip6tables, store_nf_call_ip6tables);
+
+static ssize_t show_nf_call_arptables(
+ struct device *d, struct device_attribute *attr, char *buf)
+{
+ struct net_bridge *br = to_bridge(d);
+ return sprintf(buf, "%u\n", br->nf_call_arptables);
+}
+
+static int set_nf_call_arptables(struct net_bridge *br, unsigned long val)
+{
+ br->nf_call_arptables = val ? true : false;
+ return 0;
+}
+
+static ssize_t store_nf_call_arptables(
+ struct device *d, struct device_attribute *attr, const char *buf,
+ size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_nf_call_arptables);
+}
+static DEVICE_ATTR(nf_call_arptables, S_IRUGO | S_IWUSR,
+ show_nf_call_arptables, store_nf_call_arptables);
+#endif
static struct attribute *bridge_attrs[] = {
&dev_attr_forward_delay.attr,
@@ -645,6 +712,11 @@ static struct attribute *bridge_attrs[] = {
&dev_attr_multicast_query_response_interval.attr,
&dev_attr_multicast_startup_query_interval.attr,
#endif
+#ifdef CONFIG_BRIDGE_NETFILTER
+ &dev_attr_nf_call_iptables.attr,
+ &dev_attr_nf_call_ip6tables.attr,
+ &dev_attr_nf_call_arptables.attr,
+#endif
NULL
};