netdev - [PATCH iproute2 2/3] link_iptnl: Print tunnel mode

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Message-Id: <1514906959-9719-3-git-send-email-serhe.popovych@gmail.com>
Date:   Tue,  2 Jan 2018 17:29:18 +0200
From:   Serhey Popovych <serhe.popovych@...il.com>
To:     netdev@...r.kernel.org
Subject: [PATCH iproute2 2/3] link_iptnl: Print tunnel mode

Tunnel mode does not appear in parameters print for iptnl
supported tunnels like ipip and sit, while printed for
ip6tnl.

Print tunnel mode with "proto" field for JSON and without
any name when printing to cli to follow ip6tnl behaviour.

Signed-off-by: Serhey Popovych <serhe.popovych@...il.com>
---
 ip/link_iptnl.c |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/ip/link_iptnl.c b/ip/link_iptnl.c
index d4d935b..afd1696 100644
--- a/ip/link_iptnl.c
+++ b/ip/link_iptnl.c
@@ -372,6 +372,23 @@ static void iptunnel_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[
 	if (tb[IFLA_IPTUN_COLLECT_METADATA])
 		print_bool(PRINT_ANY, "external", "external ", true);
 
+	if (tb[IFLA_IPTUN_PROTO]) {
+		switch (rta_getattr_u8(tb[IFLA_IPTUN_PROTO])) {
+		case IPPROTO_IPIP:
+			print_string(PRINT_ANY, "proto", "%s ", "ip4ip4");
+			break;
+		case IPPROTO_IPV6:
+			print_string(PRINT_ANY, "proto", "%s ", "ip6ip");
+			break;
+		case IPPROTO_MPLS:
+			print_string(PRINT_ANY, "proto", "%s ", "mplsip");
+			break;
+		case 0:
+			print_string(PRINT_ANY, "proto", "%s ", "any");
+			break;
+		}
+	}
+
 	if (tb[IFLA_IPTUN_REMOTE]) {
 		unsigned int addr = rta_getattr_u32(tb[IFLA_IPTUN_REMOTE]);
 
-- 
1.7.10.4