netdev - [PATCH net-next 5/8] bridge: netlink: export port's topology_change_ack and config

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Date:	Tue,  6 Oct 2015 14:11:59 +0200
From:	Nikolay Aleksandrov <razor@...ckwall.org>
To:	netdev@...r.kernel.org
Cc:	roopa@...ulusnetworks.com, davem@...emloft.net,
	stephen@...workplumber.org, bridge@...ts.linux-foundation.org,
	shm@...ulusnetworks.com,
	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Subject: [PATCH net-next 5/8] bridge: netlink: export port's topology_change_ack and config_pending

From: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>

Add IFLA_BRPORT_TOPOLOGY_CHANGE_ACK and IFLA_BRPORT_CONFIG_PENDING to
allow getting port's topology_change_ack and config_pending respectively
via netlink.

Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
---
 include/uapi/linux/if_link.h | 2 ++
 net/bridge/br_netlink.c      | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 6857563eb27c..1d6aeb1bbe95 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -298,6 +298,8 @@ enum {
 	IFLA_BRPORT_DESIGNATED_COST,
 	IFLA_BRPORT_ID,
 	IFLA_BRPORT_NO,
+	IFLA_BRPORT_TOPOLOGY_CHANGE_ACK,
+	IFLA_BRPORT_CONFIG_PENDING,
 	__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 e51332792c3c..433d632ad7d0 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -133,6 +133,8 @@ static inline size_t br_port_info_size(void)
 		+ nla_total_size(sizeof(u16))	/* IFLA_BRPORT_DESIGNATED_COST */
 		+ nla_total_size(sizeof(u16))	/* IFLA_BRPORT_ID */
 		+ 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 */
 		+ 0;
 }
 
@@ -174,7 +176,10 @@ static int br_port_fill_attrs(struct sk_buff *skb,
 	    nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_PORT, p->designated_port) ||
 	    nla_put_u16(skb, IFLA_BRPORT_DESIGNATED_COST, p->designated_cost) ||
 	    nla_put_u16(skb, IFLA_BRPORT_ID, p->port_id) ||
-	    nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no))
+	    nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no) ||
+	    nla_put_u8(skb, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK,
+		       p->topology_change_ack) ||
+	    nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending))
 		return -EMSGSIZE;
 
 	return 0;
-- 
2.4.3

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