[PATCHv2 iproute2 net-next 4/5] iplink: bridge: add support for IFLA_BR_MCAST_IGMP_VERSION

[Hangbin Liu]

This patch implements support for the IFLA_BR_MCAST_IGMP_VERSION
attribute in iproute2 so it can change the mcast igmp version.

Reviewed-by: Nikolay Aleksandrov <niko...@cumulusnetworks.com>
Signed-off-by: Hangbin Liu <liuhang...@gmail.com>
---
 ip/iplink_bridge.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index 46bbbee..3e9143e 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -50,6 +50,7 @@ static void print_explain(FILE *f)
                "                  [ mcast_query_response_interval 
QUERY_RESPONSE_INTERVAL ]\n"
                "                  [ mcast_startup_query_interval 
STARTUP_QUERY_INTERVAL ]\n"
                "                  [ mcast_stats_enabled MCAST_STATS_ENABLED 
]\n"
+               "                  [ mcast_igmp_version IGMP_VERSION ]\n"
                "                  [ nf_call_iptables NF_CALL_IPTABLES ]\n"
                "                  [ nf_call_ip6tables NF_CALL_IP6TABLES ]\n"
                "                  [ nf_call_arptables NF_CALL_ARPTABLES ]\n"
@@ -308,6 +309,14 @@ static int bridge_parse_opt(struct link_util *lu, int 
argc, char **argv,
                                invarg("invalid mcast_stats_enabled", *argv);
                        addattr8(n, 1024, IFLA_BR_MCAST_STATS_ENABLED,
                                  mcast_stats_enabled);
+               } else if (matches(*argv, "mcast_igmp_version") == 0) {
+                       __u8 igmp_version;
+
+                       NEXT_ARG();
+                       if (get_u8(&igmp_version, *argv, 0))
+                               invarg("invalid mcast_igmp_version", *argv);
+                       addattr8(n, 1024, IFLA_BR_MCAST_IGMP_VERSION,
+                                 igmp_version);
                } else if (matches(*argv, "nf_call_iptables") == 0) {
                        __u8 nf_call_ipt;
 
@@ -537,6 +546,10 @@ static void bridge_print_opt(struct link_util *lu, FILE 
*f, struct rtattr *tb[])
                fprintf(f, "mcast_stats_enabled %u ",
                        rta_getattr_u8(tb[IFLA_BR_MCAST_STATS_ENABLED]));
 
+       if (tb[IFLA_BR_MCAST_IGMP_VERSION])
+               fprintf(f, "mcast_igmp_version %u ",
+                       rta_getattr_u8(tb[IFLA_BR_MCAST_IGMP_VERSION]));
+
        if (tb[IFLA_BR_NF_CALL_IPTABLES])
                fprintf(f, "nf_call_iptables %u ",
                        rta_getattr_u8(tb[IFLA_BR_NF_CALL_IPTABLES]));
-- 
2.5.5