tipc: add net set to new netlink api
Add TIPC_NL_NET_SET command to the new tipc netlink API. This command can set the network id and network (tipc) address. Netlink logical layout of network set message: -> net [ -> id ] [ -> address ] 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>
This commit is contained in:
Родитель
fd3cf2ad51
Коммит
27c2141672
|
@ -54,6 +54,7 @@ enum {
|
|||
TIPC_NL_MEDIA_SET,
|
||||
TIPC_NL_NODE_GET,
|
||||
TIPC_NL_NET_GET,
|
||||
TIPC_NL_NET_SET,
|
||||
|
||||
__TIPC_NL_CMD_MAX,
|
||||
TIPC_NL_CMD_MAX = __TIPC_NL_CMD_MAX - 1
|
||||
|
@ -139,6 +140,7 @@ enum {
|
|||
enum {
|
||||
TIPC_NLA_NET_UNSPEC,
|
||||
TIPC_NLA_NET_ID, /* u32 */
|
||||
TIPC_NLA_NET_ADDR, /* u32 */
|
||||
|
||||
__TIPC_NLA_NET_MAX,
|
||||
TIPC_NLA_NET_MAX = __TIPC_NLA_NET_MAX - 1
|
||||
|
|
|
@ -197,3 +197,50 @@ out:
|
|||
|
||||
return skb->len;
|
||||
}
|
||||
|
||||
int tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info)
|
||||
{
|
||||
int err;
|
||||
struct nlattr *attrs[TIPC_NLA_NET_MAX + 1];
|
||||
|
||||
if (!info->attrs[TIPC_NLA_NET])
|
||||
return -EINVAL;
|
||||
|
||||
err = nla_parse_nested(attrs, TIPC_NLA_NET_MAX,
|
||||
info->attrs[TIPC_NLA_NET],
|
||||
tipc_nl_net_policy);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
if (attrs[TIPC_NLA_NET_ID]) {
|
||||
u32 val;
|
||||
|
||||
/* Can't change net id once TIPC has joined a network */
|
||||
if (tipc_own_addr)
|
||||
return -EPERM;
|
||||
|
||||
val = nla_get_u32(attrs[TIPC_NLA_NET_ID]);
|
||||
if (val < 1 || val > 9999)
|
||||
return -EINVAL;
|
||||
|
||||
tipc_net_id = val;
|
||||
}
|
||||
|
||||
if (attrs[TIPC_NLA_NET_ADDR]) {
|
||||
u32 addr;
|
||||
|
||||
/* Can't change net addr once TIPC has joined a network */
|
||||
if (tipc_own_addr)
|
||||
return -EPERM;
|
||||
|
||||
addr = nla_get_u32(attrs[TIPC_NLA_NET_ADDR]);
|
||||
if (!tipc_addr_node_valid(addr))
|
||||
return -EINVAL;
|
||||
|
||||
rtnl_lock();
|
||||
tipc_net_start(addr);
|
||||
rtnl_unlock();
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
|
@ -44,5 +44,6 @@ int tipc_net_start(u32 addr);
|
|||
void tipc_net_stop(void);
|
||||
|
||||
int tipc_nl_net_dump(struct sk_buff *skb, struct netlink_callback *cb);
|
||||
int tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info);
|
||||
|
||||
#endif
|
||||
|
|
|
@ -180,6 +180,11 @@ static const struct genl_ops tipc_genl_v2_ops[] = {
|
|||
.cmd = TIPC_NL_NET_GET,
|
||||
.dumpit = tipc_nl_net_dump,
|
||||
.policy = tipc_nl_policy,
|
||||
},
|
||||
{
|
||||
.cmd = TIPC_NL_NET_SET,
|
||||
.doit = tipc_nl_net_set,
|
||||
.policy = tipc_nl_policy,
|
||||
}
|
||||
};
|
||||
|
||||
|
|
Загрузка…
Ссылка в новой задаче