bridge: Add multicast count/interval sysfs entries

This patch allows the user to the IGMP parameters related to the
snooping function of the bridge.  This includes various time
values and retransmission limits.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 203 insertions, 0 deletions

diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index d2ee53b3ad7..dd321e39e62 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -415,6 +415,201 @@ static ssize_t store_hash_max(struct device *d, struct device_attribute *attr,
 }
 static DEVICE_ATTR(hash_max, S_IRUGO | S_IWUSR, show_hash_max,
                    store_hash_max);
+
+static ssize_t show_multicast_last_member_count(struct device *d,
+                                                struct device_attribute *attr,
+                                                char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(buf, "%u\n", br->multicast_last_member_count);
+}
+
+static int set_last_member_count(struct net_bridge *br, unsigned long val)
+{
+        br->multicast_last_member_count = val;
+        return 0;
+}
+
+static ssize_t store_multicast_last_member_count(struct device *d,
+                                                 struct device_attribute *attr,
+                                                 const char *buf, size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_last_member_count);
+}
+static DEVICE_ATTR(multicast_last_member_count, S_IRUGO | S_IWUSR,
+                   show_multicast_last_member_count,
+                   store_multicast_last_member_count);
+
+static ssize_t show_multicast_startup_query_count(
+        struct device *d, struct device_attribute *attr, char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(buf, "%u\n", br->multicast_startup_query_count);
+}
+
+static int set_startup_query_count(struct net_bridge *br, unsigned long val)
+{
+        br->multicast_startup_query_count = val;
+        return 0;
+}
+
+static ssize_t store_multicast_startup_query_count(
+        struct device *d, struct device_attribute *attr, const char *buf,
+        size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_startup_query_count);
+}
+static DEVICE_ATTR(multicast_startup_query_count, S_IRUGO | S_IWUSR,
+                   show_multicast_startup_query_count,
+                   store_multicast_startup_query_count);
+
+static ssize_t show_multicast_last_member_interval(
+        struct device *d, struct device_attribute *attr, char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(buf, "%lu\n",
+                       jiffies_to_clock_t(br->multicast_last_member_interval));
+}
+
+static int set_last_member_interval(struct net_bridge *br, unsigned long val)
+{
+        br->multicast_last_member_interval = clock_t_to_jiffies(val);
+        return 0;
+}
+
+static ssize_t store_multicast_last_member_interval(
+        struct device *d, struct device_attribute *attr, const char *buf,
+        size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_last_member_interval);
+}
+static DEVICE_ATTR(multicast_last_member_interval, S_IRUGO | S_IWUSR,
+                   show_multicast_last_member_interval,
+                   store_multicast_last_member_interval);
+
+static ssize_t show_multicast_membership_interval(
+        struct device *d, struct device_attribute *attr, char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(buf, "%lu\n",
+                       jiffies_to_clock_t(br->multicast_membership_interval));
+}
+
+static int set_membership_interval(struct net_bridge *br, unsigned long val)
+{
+        br->multicast_membership_interval = clock_t_to_jiffies(val);
+        return 0;
+}
+
+static ssize_t store_multicast_membership_interval(
+        struct device *d, struct device_attribute *attr, const char *buf,
+        size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_membership_interval);
+}
+static DEVICE_ATTR(multicast_membership_interval, S_IRUGO | S_IWUSR,
+                   show_multicast_membership_interval,
+                   store_multicast_membership_interval);
+
+static ssize_t show_multicast_querier_interval(struct device *d,
+                                               struct device_attribute *attr,
+                                               char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(buf, "%lu\n",
+                       jiffies_to_clock_t(br->multicast_querier_interval));
+}
+
+static int set_querier_interval(struct net_bridge *br, unsigned long val)
+{
+        br->multicast_querier_interval = clock_t_to_jiffies(val);
+        return 0;
+}
+
+static ssize_t store_multicast_querier_interval(struct device *d,
+                                                struct device_attribute *attr,
+                                                const char *buf, size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_querier_interval);
+}
+static DEVICE_ATTR(multicast_querier_interval, S_IRUGO | S_IWUSR,
+                   show_multicast_querier_interval,
+                   store_multicast_querier_interval);
+
+static ssize_t show_multicast_query_interval(struct device *d,
+                                             struct device_attribute *attr,
+                                             char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(buf, "%lu\n",
+                       jiffies_to_clock_t(br->multicast_query_interval));
+}
+
+static int set_query_interval(struct net_bridge *br, unsigned long val)
+{
+        br->multicast_query_interval = clock_t_to_jiffies(val);
+        return 0;
+}
+
+static ssize_t store_multicast_query_interval(struct device *d,
+                                              struct device_attribute *attr,
+                                              const char *buf, size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_query_interval);
+}
+static DEVICE_ATTR(multicast_query_interval, S_IRUGO | S_IWUSR,
+                   show_multicast_query_interval,
+                   store_multicast_query_interval);
+
+static ssize_t show_multicast_query_response_interval(
+        struct device *d, struct device_attribute *attr, char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(
+                buf, "%lu\n",
+                jiffies_to_clock_t(br->multicast_query_response_interval));
+}
+
+static int set_query_response_interval(struct net_bridge *br, unsigned long val)
+{
+        br->multicast_query_response_interval = clock_t_to_jiffies(val);
+        return 0;
+}
+
+static ssize_t store_multicast_query_response_interval(
+        struct device *d, struct device_attribute *attr, const char *buf,
+        size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_query_response_interval);
+}
+static DEVICE_ATTR(multicast_query_response_interval, S_IRUGO | S_IWUSR,
+                   show_multicast_query_response_interval,
+                   store_multicast_query_response_interval);
+
+static ssize_t show_multicast_startup_query_interval(
+        struct device *d, struct device_attribute *attr, char *buf)
+{
+        struct net_bridge *br = to_bridge(d);
+        return sprintf(
+                buf, "%lu\n",
+                jiffies_to_clock_t(br->multicast_startup_query_interval));
+}
+
+static int set_startup_query_interval(struct net_bridge *br, unsigned long val)
+{
+        br->multicast_startup_query_interval = clock_t_to_jiffies(val);
+        return 0;
+}
+
+static ssize_t store_multicast_startup_query_interval(
+        struct device *d, struct device_attribute *attr, const char *buf,
+        size_t len)
+{
+        return store_bridge_parm(d, buf, len, set_startup_query_interval);
+}
+static DEVICE_ATTR(multicast_startup_query_interval, S_IRUGO | S_IWUSR,
+                   show_multicast_startup_query_interval,
+                   store_multicast_startup_query_interval);
 #endif
 
 static struct attribute *bridge_attrs[] = {
@@ -441,6 +636,14 @@ static struct attribute *bridge_attrs[] = {
         &dev_attr_multicast_snooping.attr,
         &dev_attr_hash_elasticity.attr,
         &dev_attr_hash_max.attr,
+        &dev_attr_multicast_last_member_count.attr,
+        &dev_attr_multicast_startup_query_count.attr,
+        &dev_attr_multicast_last_member_interval.attr,
+        &dev_attr_multicast_membership_interval.attr,
+        &dev_attr_multicast_querier_interval.attr,
+        &dev_attr_multicast_query_interval.attr,
+        &dev_attr_multicast_query_response_interval.attr,
+        &dev_attr_multicast_startup_query_interval.attr,
 #endif
         NULL
 };