tipc: add bearer set to new netlink api
Add TIPC_NL_BEARER_SET command to the new tipc netlink API. This command can set one or more link properties for a particular bearer. Netlink logical layout of bearer set message: -> bearer -> name -> link properties [ -> tolerance ] [ -> priority ] [ -> window ] Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -44,6 +44,7 @@ enum {
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TIPC_NL_BEARER_DISABLE,
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TIPC_NL_BEARER_ENABLE,
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TIPC_NL_BEARER_GET,
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TIPC_NL_BEARER_SET,
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__TIPC_NL_CMD_MAX,
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TIPC_NL_CMD_MAX = __TIPC_NL_CMD_MAX - 1
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@ -849,3 +849,52 @@ int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info)
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return 0;
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}
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int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
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{
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int err;
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char *name;
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struct tipc_bearer *b;
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struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1];
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if (!info->attrs[TIPC_NLA_BEARER])
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return -EINVAL;
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err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX,
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info->attrs[TIPC_NLA_BEARER],
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tipc_nl_bearer_policy);
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if (err)
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return err;
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if (!attrs[TIPC_NLA_BEARER_NAME])
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return -EINVAL;
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name = nla_data(attrs[TIPC_NLA_BEARER_NAME]);
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rtnl_lock();
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b = tipc_bearer_find(name);
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if (!b) {
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rtnl_unlock();
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return -EINVAL;
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}
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if (attrs[TIPC_NLA_BEARER_PROP]) {
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struct nlattr *props[TIPC_NLA_PROP_MAX + 1];
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err = tipc_nl_parse_link_prop(attrs[TIPC_NLA_BEARER_PROP],
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props);
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if (err) {
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rtnl_unlock();
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return err;
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}
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if (props[TIPC_NLA_PROP_TOL])
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b->tolerance = nla_get_u32(props[TIPC_NLA_PROP_TOL]);
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if (props[TIPC_NLA_PROP_PRIO])
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b->priority = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
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if (props[TIPC_NLA_PROP_WIN])
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b->window = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
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}
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rtnl_unlock();
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return 0;
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}
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@ -182,6 +182,7 @@ int tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info);
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int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info);
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int tipc_nl_bearer_dump(struct sk_buff *skb, struct netlink_callback *cb);
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int tipc_nl_bearer_get(struct sk_buff *skb, struct genl_info *info);
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int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info);
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int tipc_media_set_priority(const char *name, u32 new_value);
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int tipc_media_set_window(const char *name, u32 new_value);
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@ -118,6 +118,11 @@ static const struct genl_ops tipc_genl_v2_ops[] = {
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.doit = tipc_nl_bearer_get,
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.dumpit = tipc_nl_bearer_dump,
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.policy = tipc_nl_policy,
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},
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{
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.cmd = TIPC_NL_BEARER_SET,
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.doit = tipc_nl_bearer_set,
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.policy = tipc_nl_policy,
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}
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};
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