netdev - [PATCH iproute2 06/21] iplink: bridge: add support for IFLA_BR_VLAN_DEFAULT

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Message-Id: <1454932527-30569-7-git-send-email-razor@blackwall.org>
Date:	Mon,  8 Feb 2016 12:55:12 +0100
From:	Nikolay Aleksandrov <razor@...ckwall.org>
To:	netdev@...r.kernel.org
Cc:	roopa@...ulusnetworks.com, stephen@...workplumber.org,
	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Subject: [PATCH iproute2 06/21] iplink: bridge: add support for IFLA_BR_VLAN_DEFAULT_PVID

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

This patch implements support for the IFLA_BR_VLAN_DEFAULT_PVID
attribute in iproute2 so it can change the default pvid.

Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
---
 ip/iplink_bridge.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index 3d343f7649fe..e8bc66b498b3 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -31,6 +31,7 @@ static void print_explain(FILE *f)
 		"                  [ group_address ADDRESS ]\n"
 		"                  [ vlan_filtering VLAN_FILTERING ]\n"
 		"                  [ vlan_protocol VLAN_PROTOCOL ]\n"
+		"                  [ vlan_default_pvid VLAN_DEFAULT_PVID ]\n"
 		"\n"
 		"Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
 	);
@@ -129,6 +130,15 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
 			if (len < 0)
 				return -1;
 			addattr_l(n, 1024, IFLA_BR_GROUP_ADDR, llabuf, len);
+		} else if (matches(*argv, "vlan_default_pvid") == 0) {
+			__u16 default_pvid;
+
+			NEXT_ARG();
+			if (get_u16(&default_pvid, *argv, 0))
+				invarg("invalid vlan_default_pvid", *argv);
+
+			addattr16(n, 1024, IFLA_BR_VLAN_DEFAULT_PVID,
+				  default_pvid);
 		} else if (matches(*argv, "help") == 0) {
 			explain();
 			return -1;
@@ -232,6 +242,10 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
 		fprintf(f, "gc_timer %llu ",
 			rta_getattr_u64(tb[IFLA_BR_GC_TIMER]));
 
+	if (tb[IFLA_BR_VLAN_DEFAULT_PVID])
+		fprintf(f, "vlan_default_pvid %u ",
+			rta_getattr_u16(tb[IFLA_BR_VLAN_DEFAULT_PVID]));
+
 	if (tb[IFLA_BR_GROUP_FWD_MASK])
 		fprintf(f, "group_fwd_mask %#x ",
 			rta_getattr_u16(tb[IFLA_BR_GROUP_FWD_MASK]));
-- 
2.4.3