tipc: convert legacy nl node addr set to nl compat

Convert TIPC_CMD_SET_NODE_ADDR to compat doit.

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/tipc/config.c b/net/tipc/config.c
index 74babd7..2a2d05b 100644 (file)
--- a/net/tipc/config.c
+++ b/net/tipc/config.c
@@ -134,29 +134,6 @@ static struct sk_buff *tipc_show_stats(void)
        return buf;
 }
 
-static struct sk_buff *cfg_set_own_addr(struct net *net)
-{
-       struct tipc_net *tn = net_generic(net, tipc_net_id);
-       u32 addr;
-
-       if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_NET_ADDR))
-               return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR);
-
-       addr = ntohl(*(__be32 *)TLV_DATA(req_tlv_area));
-       if (addr == tn->own_addr)
-               return tipc_cfg_reply_none();
-       if (!tipc_addr_node_valid(addr))
-               return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE
-                                                  " (node address)");
-       if (tn->own_addr)
-               return tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED
-                                                  " (cannot change node address once assigned)");
-       if (!tipc_net_start(net, addr))
-               return tipc_cfg_reply_none();
-
-       return tipc_cfg_reply_error_string("cannot change to network mode");
-}
-
 static struct sk_buff *cfg_set_netid(struct net *net)
 {
        struct tipc_net *tn = net_generic(net, tipc_net_id);
@@ -208,9 +185,6 @@ struct sk_buff *tipc_cfg_do_cmd(struct net *net, u32 orig_node, u16 cmd,
        case TIPC_CMD_SHOW_STATS:
                rep_tlv_buf = tipc_show_stats();
                break;
-       case TIPC_CMD_SET_NODE_ADDR:
-               rep_tlv_buf = cfg_set_own_addr(net);
-               break;
        case TIPC_CMD_SET_NETID:
                rep_tlv_buf = cfg_set_netid(net);
                break;

diff --git a/net/tipc/net.c b/net/tipc/net.c
index 8b0fb09..e4028f9 100644 (file)
--- a/net/tipc/net.c
+++ b/net/tipc/net.c
@@ -208,7 +208,7 @@ out:
 
 int tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info)
 {
-       struct net *net = genl_info_net(info);
+       struct net *net = sock_net(skb->sk);
        struct tipc_net *tn = net_generic(net, tipc_net_id);
        struct nlattr *attrs[TIPC_NLA_NET_MAX + 1];
        int err;

diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 0dc448e..aa0e325 100644 (file)
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -851,6 +851,26 @@ static int tipc_nl_compat_node_dump(struct tipc_nl_compat_msg *msg,
                            sizeof(node_info));
 }
 
+static int tipc_nl_compat_net_set(struct sk_buff *skb,
+                                 struct tipc_nl_compat_msg *msg)
+{
+       u32 val;
+       struct nlattr *net;
+
+       val = ntohl(*(__be32 *)TLV_DATA(msg->req));
+
+       net = nla_nest_start(skb, TIPC_NLA_NET);
+       if (!net)
+               return -EMSGSIZE;
+
+       if (nla_put_u32(skb, TIPC_NLA_NET_ADDR, val))
+               return -EMSGSIZE;
+
+       nla_nest_end(skb, net);
+
+       return 0;
+}
+
 static int tipc_nl_compat_handle(struct tipc_nl_compat_msg *msg)
 {
        struct tipc_nl_compat_cmd_dump dump;
@@ -924,6 +944,11 @@ static int tipc_nl_compat_handle(struct tipc_nl_compat_msg *msg)
                dump.dumpit = tipc_nl_node_dump;
                dump.format = tipc_nl_compat_node_dump;
                return tipc_nl_compat_dumpit(&dump, msg);
+       case TIPC_CMD_SET_NODE_ADDR:
+               msg->req_type = TIPC_TLV_NET_ADDR;
+               doit.doit = tipc_nl_net_set;
+               doit.transcode = tipc_nl_compat_net_set;
+               return tipc_nl_compat_doit(&doit, msg);
        }
 
        return -EOPNOTSUPP;
@@ -1033,6 +1058,7 @@ static int tipc_nl_compat_tmp_wrap(struct sk_buff *skb, struct genl_info *info)
        case TIPC_CMD_SHOW_PORTS:
        case TIPC_CMD_GET_MEDIA_NAMES:
        case TIPC_CMD_GET_NODES:
+       case TIPC_CMD_SET_NODE_ADDR:
                return tipc_nl_compat_recv(skb, info);
        }