From: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
Export the following bridge timers (also exported via sysfs):
IFLA_BR_HELLO_TIMER, IFLA_BR_TCN_TIMER, IFLA_BR_TOPOLOGY_CHANGE_TIMER,
IFLA_BR_GC_TIMER via netlink.
Signed-off-by: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
---
include/uapi/linux/if_link.h | 4 ++++
net/bridge/br_netlink.c | 16 +++++++++++++++-
2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index b00286ca1bfe..a1e33282ab9d 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -239,6 +239,10 @@ enum {
IFLA_BR_ROOT_PATH_COST,
IFLA_BR_TOPOLOGY_CHANGE,
IFLA_BR_TOPOLOGY_CHANGE_DETECTED,
+ IFLA_BR_HELLO_TIMER,
+ IFLA_BR_TCN_TIMER,
+ IFLA_BR_TOPOLOGY_CHANGE_TIMER,
+ IFLA_BR_GC_TIMER,
__IFLA_BR_MAX,
};
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 8bcaa5171f35..755bfe0ab404 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -860,12 +860,17 @@ static size_t br_get_size(const struct net_device *brdev)
nla_total_size(sizeof(u32)) + /* IFLA_BR_ROOT_PATH_COST */
nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE */
nla_total_size(sizeof(u8)) + /*
IFLA_BR_TOPOLOGY_CHANGE_DETECTED */
+ nla_total_size(sizeof(u64)) + /* IFLA_BR_HELLO_TIMER */
+ nla_total_size(sizeof(u64)) + /* IFLA_BR_TCN_TIMER */
+ nla_total_size(sizeof(u64)) + /*
IFLA_BR_TOPOLOGY_CHANGE_TIMER */
+ nla_total_size(sizeof(u64)) + /* IFLA_BR_GC_TIMER */
0;
}
static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
{
struct net_bridge *br = netdev_priv(brdev);
+ u64 hello_timer, tcn_timer, topology_change_timer, gc_timer;
u32 forward_delay = jiffies_to_clock_t(br->forward_delay);
u32 hello_time = jiffies_to_clock_t(br->hello_time);
u32 age_time = jiffies_to_clock_t(br->max_age);
@@ -882,6 +887,10 @@ static int br_fill_info(struct sk_buff *skb, const struct
net_device *brdev)
memcpy(root_id.addr, br->designated_root.addr, sizeof(root_id.addr));
memcpy(bridge_id.prio, br->bridge_id.prio, sizeof(bridge_id.prio));
memcpy(bridge_id.addr, br->bridge_id.addr, sizeof(bridge_id.addr));
+ hello_timer = br_timer_value(&br->hello_timer);
+ tcn_timer = br_timer_value(&br->tcn_timer);
+ topology_change_timer = br_timer_value(&br->topology_change_timer);
+ gc_timer = br_timer_value(&br->gc_timer);
if (nla_put_u32(skb, IFLA_BR_FORWARD_DELAY, forward_delay) ||
nla_put_u32(skb, IFLA_BR_HELLO_TIME, hello_time) ||
@@ -897,7 +906,12 @@ static int br_fill_info(struct sk_buff *skb, const struct
net_device *brdev)
nla_put_u32(skb, IFLA_BR_ROOT_PATH_COST, br->root_path_cost) ||
nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE, br->topology_change) ||
nla_put_u8(skb, IFLA_BR_TOPOLOGY_CHANGE_DETECTED,
- br->topology_change_detected))
+ br->topology_change_detected) ||
+ nla_put_u64(skb, IFLA_BR_HELLO_TIMER, hello_timer) ||
+ nla_put_u64(skb, IFLA_BR_TCN_TIMER, tcn_timer) ||
+ nla_put_u64(skb, IFLA_BR_TOPOLOGY_CHANGE_TIMER,
+ topology_change_timer) ||
+ nla_put_u64(skb, IFLA_BR_GC_TIMER, gc_timer))
return -EMSGSIZE;
#ifdef CONFIG_BRIDGE_VLAN_FILTERING
--
2.4.3
--
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