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authorNikolay Aleksandrov <nikolay@cumulusnetworks.com>2015-10-04 14:23:46 +0200
committerDavid S. Miller <davem@davemloft.net>2015-10-04 16:46:07 -0700
commit93870cc02a0af4392401713d14235accafc752bc (patch)
treeb51c6e16df8f2fc4de66fdc85ef2e556300cca80
parentbridge: netlink: add support for igmp's intervals (diff)
downloadlinux-dev-93870cc02a0af4392401713d14235accafc752bc.tar.xz
linux-dev-93870cc02a0af4392401713d14235accafc752bc.zip
bridge: netlink: add support for netfilter tables config
Add support to allow getting/setting netfilter tables settings. Currently these are IFLA_BR_NF_CALL_IPTABLES, IFLA_BR_NF_CALL_IP6TABLES and IFLA_BR_NF_CALL_ARPTABLES. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/uapi/linux/if_link.h3
-rw-r--r--net/bridge/br_netlink.c37
2 files changed, 39 insertions, 1 deletions
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index b8c88aa19fef..0200bed6e5d6 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -259,6 +259,9 @@ enum {
IFLA_BR_MCAST_QUERY_INTVL,
IFLA_BR_MCAST_QUERY_RESPONSE_INTVL,
IFLA_BR_MCAST_STARTUP_QUERY_INTVL,
+ IFLA_BR_NF_CALL_IPTABLES,
+ IFLA_BR_NF_CALL_IP6TABLES,
+ IFLA_BR_NF_CALL_ARPTABLES,
__IFLA_BR_MAX,
};
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 30def4fb5901..fd37caf02b51 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -781,6 +781,9 @@ static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = {
[IFLA_BR_MCAST_QUERY_INTVL] = { .type = NLA_U64 },
[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NLA_U64 },
[IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NLA_U64 },
+ [IFLA_BR_NF_CALL_IPTABLES] = { .type = NLA_U8 },
+ [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NLA_U8 },
+ [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NLA_U8 },
};
static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
@@ -970,6 +973,25 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
br->multicast_startup_query_interval = clock_t_to_jiffies(val);
}
#endif
+#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
+ if (data[IFLA_BR_NF_CALL_IPTABLES]) {
+ u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IPTABLES]);
+
+ br->nf_call_iptables = val ? true : false;
+ }
+
+ if (data[IFLA_BR_NF_CALL_IP6TABLES]) {
+ u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_IP6TABLES]);
+
+ br->nf_call_ip6tables = val ? true : false;
+ }
+
+ if (data[IFLA_BR_NF_CALL_ARPTABLES]) {
+ u8 val = nla_get_u8(data[IFLA_BR_NF_CALL_ARPTABLES]);
+
+ br->nf_call_arptables = val ? true : false;
+ }
+#endif
return 0;
}
@@ -1014,6 +1036,11 @@ static size_t br_get_size(const struct net_device *brdev)
nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_RESPONSE_INTVL */
nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_STARTUP_QUERY_INTVL */
#endif
+#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
+ nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IPTABLES */
+ nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IP6TABLES */
+ nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_ARPTABLES */
+#endif
0;
}
@@ -1070,7 +1097,6 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
if (nla_put_be16(skb, IFLA_BR_VLAN_PROTOCOL, br->vlan_proto))
return -EMSGSIZE;
#endif
-
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
if (nla_put_u8(skb, IFLA_BR_MCAST_ROUTER, br->multicast_router) ||
nla_put_u8(skb, IFLA_BR_MCAST_SNOOPING, !br->multicast_disabled) ||
@@ -1105,6 +1131,15 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
if (nla_put_u64(skb, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, clockval))
return -EMSGSIZE;
#endif
+#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
+ if (nla_put_u8(skb, IFLA_BR_NF_CALL_IPTABLES,
+ br->nf_call_iptables ? 1 : 0) ||
+ nla_put_u8(skb, IFLA_BR_NF_CALL_IP6TABLES,
+ br->nf_call_ip6tables ? 1 : 0) ||
+ nla_put_u8(skb, IFLA_BR_NF_CALL_ARPTABLES,
+ br->nf_call_arptables ? 1 : 0))
+ return -EMSGSIZE;
+#endif
return 0;
}