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Diffstat (limited to 'net/tipc/udp_media.c')
-rw-r--r--net/tipc/udp_media.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 3deabcab4882..e7d91f5d5cae 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -47,6 +47,8 @@
#include <net/addrconf.h>
#include <linux/tipc_netlink.h>
#include "core.h"
+#include "addr.h"
+#include "net.h"
#include "bearer.h"
#include "netlink.h"
#include "msg.h"
@@ -647,6 +649,7 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b,
struct udp_port_cfg udp_conf = {0};
struct udp_tunnel_sock_cfg tuncfg = {NULL};
struct nlattr *opts[TIPC_NLA_UDP_MAX + 1];
+ u8 node_id[NODE_ID_LEN] = {0,};
ub = kzalloc(sizeof(*ub), GFP_ATOMIC);
if (!ub)
@@ -677,6 +680,17 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b,
if (err)
goto err;
+ /* Autoconfigure own node identity if needed */
+ if (!tipc_own_id(net)) {
+ memcpy(node_id, local.ipv6.in6_u.u6_addr8, 16);
+ tipc_net_init(net, node_id, 0);
+ }
+ if (!tipc_own_id(net)) {
+ pr_warn("Failed to set node id, please configure manually\n");
+ err = -EINVAL;
+ goto err;
+ }
+
b->bcast_addr.media_id = TIPC_MEDIA_TYPE_UDP;
b->bcast_addr.broadcast = TIPC_BROADCAST_SUPPORT;
rcu_assign_pointer(b->media_ptr, ub);