[RFC PATCH 03/16] gtp: include role in link info

[Jonas Bonn <jonas@norrbonn.se>]

Querying link info for the GTP interface doesn't reveal in which "role" the
device is set to operate.  Include this information in the info query
result.

Signed-off-by: Jonas Bonn <jonas@norrbonn.se>
Acked-by: Harald Welte <laforge@gnumonks.org>
---
 drivers/net/gtp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 5a048f050a9c..5682d3ba7aa5 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -728,7 +728,8 @@ static int gtp_validate(struct nlattr *tb[], struct nlattr *data[],
 
 static size_t gtp_get_size(const struct net_device *dev)
 {
-	return nla_total_size(sizeof(__u32));	/* IFLA_GTP_PDP_HASHSIZE */
+	return nla_total_size(sizeof(__u32)) + /* IFLA_GTP_PDP_HASHSIZE */
+		nla_total_size(sizeof(__u32)); /* IFLA_GTP_ROLE */
 }
 
 static int gtp_fill_info(struct sk_buff *skb, const struct net_device *dev)
@@ -737,6 +738,8 @@ static int gtp_fill_info(struct sk_buff *skb, const struct net_device *dev)
 
 	if (nla_put_u32(skb, IFLA_GTP_PDP_HASHSIZE, gtp->hash_size))
 		goto nla_put_failure;
+	if (nla_put_u32(skb, IFLA_GTP_ROLE, gtp->role))
+		goto nla_put_failure;
 
 	return 0;
 
-- 
2.27.0