diff options
| author | Jiri Pirko <jiri@resnulli.us> | 2014-09-05 15:51:32 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-09 11:29:55 -0700 |
| commit | 13323516172178ff8184855ee4bc66d46fd89619 (patch) | |
| tree | 5fee8e3987844c1da354266b8c0ba06b08067d2f /net/bridge | |
| parent | e5c3ea5c668033b303e7ac835d7d91da32d97958 (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.c | 39 |
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, |