iplink: bridge: add support for IFLA_BR_VLAN_STATS_ENABLED

This patch implements support for the IFLA_BR_VLAN_STATS_ENABLED
attribute in iproute2 so it can enable/disable vlan stats accounting.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>

diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index 85e6597e0d34c7ded746162c283395c9c7a8002d..cd495b35b57ae8d48d341626704aba77d92d312f 100644 (file)
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -34,6 +34,7 @@ static void print_explain(FILE *f)
                "                  [ vlan_filtering VLAN_FILTERING ]\n"
                "                  [ vlan_protocol VLAN_PROTOCOL ]\n"
                "                  [ vlan_default_pvid VLAN_DEFAULT_PVID ]\n"
+               "                  [ vlan_stats_enabled VLAN_STATS_ENABLED ]\n"
                "                  [ mcast_snooping MULTICAST_SNOOPING ]\n"
                "                  [ mcast_router MULTICAST_ROUTER ]\n"
                "                  [ mcast_query_use_ifaddr MCAST_QUERY_USE_IFADDR ]\n"
@@ -157,6 +158,14 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
 
                        addattr16(n, 1024, IFLA_BR_VLAN_DEFAULT_PVID,
                                  default_pvid);
+               } else if (matches(*argv, "vlan_stats_enabled") == 0) {
+                       __u8 vlan_stats_enabled;
+
+                       NEXT_ARG();
+                       if (get_u8(&vlan_stats_enabled, *argv, 0))
+                               invarg("invalid vlan_stats_enabled", *argv);
+                       addattr8(n, 1024, IFLA_BR_VLAN_STATS_ENABLED,
+                                 vlan_stats_enabled);
                } else if (matches(*argv, "mcast_router") == 0) {
                        __u8 mcast_router;
 
@@ -442,6 +451,10 @@ static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
                fprintf(f, "vlan_default_pvid %u ",
                        rta_getattr_u16(tb[IFLA_BR_VLAN_DEFAULT_PVID]));
 
+       if (tb[IFLA_BR_VLAN_STATS_ENABLED])
+               fprintf(f, "vlan_stats_enabled %u ",
+                       rta_getattr_u8(tb[IFLA_BR_VLAN_STATS_ENABLED]));
+
        if (tb[IFLA_BR_GROUP_FWD_MASK])
                fprintf(f, "group_fwd_mask %#x ",
                        rta_getattr_u16(tb[IFLA_BR_GROUP_FWD_MASK]));