netdev - [PATCH iproute 5/5] fou: Allowing configuring IPv6 listener

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Message-ID: <1468524136-3389846-6-git-send-email-tom@herbertland.com>
Date:	Thu, 14 Jul 2016 12:22:16 -0700
From:	Tom Herbert <tom@...bertland.com>
To:	<davem@...emloft.net>, <netdev@...r.kernel.org>,
	<shemming@...cade.com>
CC:	<kernel-team@...com>, <haoxuany@...com>,
	Tom Herbert <tom@...bertland.com>
Subject: [PATCH iproute 5/5] fou: Allowing configuring IPv6 listener

Signed-off-by: Tom Herbert <tom@...bertland.com>
---
 ip/ipfou.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/ip/ipfou.c b/ip/ipfou.c
index 2a6ae17..d584a02 100644
--- a/ip/ipfou.c
+++ b/ip/ipfou.c
@@ -25,8 +25,8 @@
 
 static void usage(void)
 {
-	fprintf(stderr, "Usage: ip fou add port PORT { ipproto PROTO  | gue }\n");
-	fprintf(stderr, "       ip fou del port PORT\n");
+	fprintf(stderr, "Usage: ip fou add port PORT { ipproto PROTO  | gue } [ -6 ]\n");
+	fprintf(stderr, "       ip fou del port PORT [ -6 ]\n");
 	fprintf(stderr, "\n");
 	fprintf(stderr, "Where: PROTO { ipproto-name | 1..255 }\n");
 	fprintf(stderr, "       PORT { 1..65535 }\n");
@@ -50,6 +50,7 @@ static int fou_parse_opt(int argc, char **argv, struct nlmsghdr *n,
 	__u8 ipproto, type;
 	bool gue_set = false;
 	int ipproto_set = 0;
+	unsigned short family = AF_INET;
 
 	while (argc > 0) {
 		if (!matches(*argv, "port")) {
@@ -71,6 +72,8 @@ static int fou_parse_opt(int argc, char **argv, struct nlmsghdr *n,
 			ipproto_set = 1;
 		} else if (!matches(*argv, "gue")) {
 			gue_set = true;
+		} else if (!matches(*argv, "-6")) {
+			family = AF_INET6;
 		} else {
 			fprintf(stderr, "fou: unknown command \"%s\"?\n", *argv);
 			usage();
@@ -98,6 +101,7 @@ static int fou_parse_opt(int argc, char **argv, struct nlmsghdr *n,
 
 	addattr16(n, 1024, FOU_ATTR_PORT, port);
 	addattr8(n, 1024, FOU_ATTR_TYPE, type);
+	addattr16(n, 1024, FOU_ATTR_AF, family);
 
 	if (ipproto_set)
 		addattr8(n, 1024, FOU_ATTR_IPPROTO, ipproto);
-- 
2.8.0.rc2