bridge: netlink: export port's timer values

Add the following attributes in order to export port's timer values:
IFLA_BRPORT_MESSAGE_AGE_TIMER, IFLA_BRPORT_FORWARD_DELAY_TIMER and
IFLA_BRPORT_HOLD_TIMER.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 1d6aeb1..9c17f60 100644 (file)
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -300,6 +300,9 @@ enum {
        IFLA_BRPORT_NO,
        IFLA_BRPORT_TOPOLOGY_CHANGE_ACK,
        IFLA_BRPORT_CONFIG_PENDING,
+       IFLA_BRPORT_MESSAGE_AGE_TIMER,
+       IFLA_BRPORT_FORWARD_DELAY_TIMER,
+       IFLA_BRPORT_HOLD_TIMER,
        __IFLA_BRPORT_MAX
 };
 #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)

diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 433d632..04b0e50 100644 (file)
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -135,6 +135,9 @@ static inline size_t br_port_info_size(void)
                + nla_total_size(sizeof(u16))   /* IFLA_BRPORT_NO */
                + nla_total_size(sizeof(u8))    /* IFLA_BRPORT_TOPOLOGY_CHANGE_ACK */
                + nla_total_size(sizeof(u8))    /* IFLA_BRPORT_CONFIG_PENDING */
+               + nla_total_size(sizeof(u64))   /* IFLA_BRPORT_MESSAGE_AGE_TIMER */
+               + nla_total_size(sizeof(u64))   /* IFLA_BRPORT_FORWARD_DELAY_TIMER */
+               + nla_total_size(sizeof(u64))   /* IFLA_BRPORT_HOLD_TIMER */
                + 0;
 }
 
@@ -156,6 +159,7 @@ static int br_port_fill_attrs(struct sk_buff *skb,
                              const struct net_bridge_port *p)
 {
        u8 mode = !!(p->flags & BR_HAIRPIN_MODE);
+       u64 timerval;
 
        if (nla_put_u8(skb, IFLA_BRPORT_STATE, p->state) ||
            nla_put_u16(skb, IFLA_BRPORT_PRIORITY, p->priority) ||
@@ -182,6 +186,16 @@ static int br_port_fill_attrs(struct sk_buff *skb,
            nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending))
                return -EMSGSIZE;
 
+       timerval = br_timer_value(&p->message_age_timer);
+       if (nla_put_u64(skb, IFLA_BRPORT_MESSAGE_AGE_TIMER, timerval))
+               return -EMSGSIZE;
+       timerval = br_timer_value(&p->forward_delay_timer);
+       if (nla_put_u64(skb, IFLA_BRPORT_FORWARD_DELAY_TIMER, timerval))
+               return -EMSGSIZE;
+       timerval = br_timer_value(&p->hold_timer);
+       if (nla_put_u64(skb, IFLA_BRPORT_HOLD_TIMER, timerval))
+               return -EMSGSIZE;
+
        return 0;
 }