iplink: bridge: add support for netfilter call attributes
This patch implements support for the IFLA_BR_NF_CALL_(IP|IP6|ARP)TABLES
attributes in iproute2 so it can change their values.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index a55a36a..1b666f0 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -47,6 +47,9 @@
" [ mcast_query_interval QUERY_INTERVAL ]\n"
" [ mcast_query_response_interval QUERY_RESPONSE_INTERVAL ]\n"
" [ mcast_startup_query_interval STARTUP_QUERY_INTERVAL ]\n"
+ " [ nf_call_iptables NF_CALL_IPTABLES ]\n"
+ " [ nf_call_ip6tables NF_CALL_IP6TABLES ]\n"
+ " [ nf_call_arptables NF_CALL_ARPTABLES ]\n"
"\n"
"Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
);
@@ -292,6 +295,36 @@
}
addattr64(n, 1024, IFLA_BR_MCAST_STARTUP_QUERY_INTVL,
mcast_startup_query_intvl);
+ } else if (matches(*argv, "nf_call_iptables") == 0) {
+ __u8 nf_call_ipt;
+
+ NEXT_ARG();
+ if (get_u8(&nf_call_ipt, *argv, 0)) {
+ invarg("invalid nf_call_iptables", *argv);
+ return -1;
+ }
+ addattr8(n, 1024, IFLA_BR_NF_CALL_IPTABLES,
+ nf_call_ipt);
+ } else if (matches(*argv, "nf_call_ip6tables") == 0) {
+ __u8 nf_call_ip6t;
+
+ NEXT_ARG();
+ if (get_u8(&nf_call_ip6t, *argv, 0)) {
+ invarg("invalid nf_call_ip6tables", *argv);
+ return -1;
+ }
+ addattr8(n, 1024, IFLA_BR_NF_CALL_IP6TABLES,
+ nf_call_ip6t);
+ } else if (matches(*argv, "nf_call_arptables") == 0) {
+ __u8 nf_call_arpt;
+
+ NEXT_ARG();
+ if (get_u8(&nf_call_arpt, *argv, 0)) {
+ invarg("invalid nf_call_arptables", *argv);
+ return -1;
+ }
+ addattr8(n, 1024, IFLA_BR_NF_CALL_ARPTABLES,
+ nf_call_arpt);
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
@@ -485,6 +518,18 @@
if (tb[IFLA_BR_MCAST_STARTUP_QUERY_INTVL])
fprintf(f, "mcast_startup_query_interval %llu ",
rta_getattr_u64(tb[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]));
+
+ if (tb[IFLA_BR_NF_CALL_IPTABLES])
+ fprintf(f, "nf_call_iptables %u ",
+ rta_getattr_u8(tb[IFLA_BR_NF_CALL_IPTABLES]));
+
+ if (tb[IFLA_BR_NF_CALL_IP6TABLES])
+ fprintf(f, "nf_call_ip6tables %u ",
+ rta_getattr_u8(tb[IFLA_BR_NF_CALL_IP6TABLES]));
+
+ if (tb[IFLA_BR_NF_CALL_ARPTABLES])
+ fprintf(f, "nf_call_arptables %u ",
+ rta_getattr_u8(tb[IFLA_BR_NF_CALL_ARPTABLES]));
}
static void bridge_print_help(struct link_util *lu, int argc, char **argv,