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authorJiri Pirko <jiri@resnulli.us>2014-09-05 15:51:32 +0200
committerDavid S. Miller <davem@davemloft.net>2014-09-09 11:29:55 -0700
commit13323516172178ff8184855ee4bc66d46fd89619 (patch)
tree5fee8e3987844c1da354266b8c0ba06b08067d2f /net/bridge
parente5c3ea5c668033b303e7ac835d7d91da32d97958 (diff)
bridge: implement rtnl_link_ops->changelink
Allow rtnetlink users to set bridge master info via IFLA_INFO_DATA attr This initial part implements forward_delay, hello_time, max_age options. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_netlink.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index bcac09fe2ac8..7c97a261afae 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -484,6 +484,42 @@ static size_t br_port_get_slave_size(const struct net_device *brdev,
return br_port_info_size();
}
+static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = {
+ [IFLA_BR_FORWARD_DELAY] = { .type = NLA_U32 },
+ [IFLA_BR_HELLO_TIME] = { .type = NLA_U32 },
+ [IFLA_BR_MAX_AGE] = { .type = NLA_U32 },
+};
+
+static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
+ struct nlattr *data[])
+{
+ struct net_bridge *br = netdev_priv(brdev);
+ int err;
+
+ if (!data)
+ return 0;
+
+ if (data[IFLA_BR_FORWARD_DELAY]) {
+ err = br_set_forward_delay(br, nla_get_u32(data[IFLA_BR_FORWARD_DELAY]));
+ if (err)
+ return err;
+ }
+
+ if (data[IFLA_BR_HELLO_TIME]) {
+ err = br_set_hello_time(br, nla_get_u32(data[IFLA_BR_HELLO_TIME]));
+ if (err)
+ return err;
+ }
+
+ if (data[IFLA_BR_MAX_AGE]) {
+ err = br_set_max_age(br, nla_get_u32(data[IFLA_BR_MAX_AGE]));
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
static size_t br_get_size(const struct net_device *brdev)
{
return nla_total_size(sizeof(u32)) + /* IFLA_BR_FORWARD_DELAY */
@@ -534,8 +570,11 @@ struct rtnl_link_ops br_link_ops __read_mostly = {
.kind = "bridge",
.priv_size = sizeof(struct net_bridge),
.setup = br_dev_setup,
+ .maxtype = IFLA_BRPORT_MAX,
+ .policy = br_policy,
.validate = br_validate,
.newlink = br_dev_newlink,
+ .changelink = br_changelink,
.dellink = br_dev_delete,
.get_size = br_get_size,
.fill_info = br_fill_info,