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-rw-r--r--net/devlink/dev.c60
1 files changed, 55 insertions, 5 deletions
diff --git a/net/devlink/dev.c b/net/devlink/dev.c
index bba4ace7d2..4fc7adb326 100644
--- a/net/devlink/dev.c
+++ b/net/devlink/dev.c
@@ -138,6 +138,23 @@ nla_put_failure:
return -EMSGSIZE;
}
+static int devlink_nl_nested_fill(struct sk_buff *msg, struct devlink *devlink)
+{
+ unsigned long rel_index;
+ void *unused;
+ int err;
+
+ xa_for_each(&devlink->nested_rels, rel_index, unused) {
+ err = devlink_rel_devlink_handle_put(msg, devlink,
+ rel_index,
+ DEVLINK_ATTR_NESTED_DEVLINK,
+ NULL);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
static int devlink_nl_fill(struct sk_buff *msg, struct devlink *devlink,
enum devlink_command cmd, u32 portid,
u32 seq, int flags)
@@ -164,6 +181,10 @@ static int devlink_nl_fill(struct sk_buff *msg, struct devlink *devlink,
goto dev_stats_nest_cancel;
nla_nest_end(msg, dev_stats);
+
+ if (devlink_nl_nested_fill(msg, devlink))
+ goto nla_put_failure;
+
genlmsg_end(msg, hdr);
return 0;
@@ -230,6 +251,34 @@ int devlink_nl_get_dumpit(struct sk_buff *msg, struct netlink_callback *cb)
return devlink_nl_dumpit(msg, cb, devlink_nl_get_dump_one);
}
+static void devlink_rel_notify_cb(struct devlink *devlink, u32 obj_index)
+{
+ devlink_notify(devlink, DEVLINK_CMD_NEW);
+}
+
+static void devlink_rel_cleanup_cb(struct devlink *devlink, u32 obj_index,
+ u32 rel_index)
+{
+ xa_erase(&devlink->nested_rels, rel_index);
+}
+
+int devl_nested_devlink_set(struct devlink *devlink,
+ struct devlink *nested_devlink)
+{
+ u32 rel_index;
+ int err;
+
+ err = devlink_rel_nested_in_add(&rel_index, devlink->index, 0,
+ devlink_rel_notify_cb,
+ devlink_rel_cleanup_cb,
+ nested_devlink);
+ if (err)
+ return err;
+ return xa_insert(&devlink->nested_rels, rel_index,
+ xa_mk_value(0), GFP_KERNEL);
+}
+EXPORT_SYMBOL_GPL(devl_nested_devlink_set);
+
void devlink_notify_register(struct devlink *devlink)
{
devlink_notify(devlink, DEVLINK_CMD_NEW);
@@ -372,6 +421,7 @@ static void devlink_reload_netns_change(struct devlink *devlink,
devlink_notify_unregister(devlink);
write_pnet(&devlink->_net, dest_net);
devlink_notify_register(devlink);
+ devlink_rel_nested_in_notify(devlink);
}
int devlink_reload(struct devlink *devlink, struct net *dest_net,
@@ -442,7 +492,7 @@ free_msg:
return -EMSGSIZE;
}
-int devlink_nl_cmd_reload(struct sk_buff *skb, struct genl_info *info)
+int devlink_nl_reload_doit(struct sk_buff *skb, struct genl_info *info)
{
struct devlink *devlink = info->user_ptr[0];
enum devlink_reload_action action;
@@ -608,7 +658,7 @@ nla_put_failure:
return err;
}
-int devlink_nl_cmd_eswitch_get_doit(struct sk_buff *skb, struct genl_info *info)
+int devlink_nl_eswitch_get_doit(struct sk_buff *skb, struct genl_info *info)
{
struct devlink *devlink = info->user_ptr[0];
struct sk_buff *msg;
@@ -629,7 +679,7 @@ int devlink_nl_cmd_eswitch_get_doit(struct sk_buff *skb, struct genl_info *info)
return genlmsg_reply(msg, info);
}
-int devlink_nl_cmd_eswitch_set_doit(struct sk_buff *skb, struct genl_info *info)
+int devlink_nl_eswitch_set_doit(struct sk_buff *skb, struct genl_info *info)
{
struct devlink *devlink = info->user_ptr[0];
const struct devlink_ops *ops = devlink->ops;
@@ -1058,7 +1108,7 @@ static int devlink_flash_component_get(struct devlink *devlink,
return 0;
}
-int devlink_nl_cmd_flash_update(struct sk_buff *skb, struct genl_info *info)
+int devlink_nl_flash_update_doit(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *nla_overwrite_mask, *nla_file_name;
struct devlink_flash_update_params params = {};
@@ -1301,7 +1351,7 @@ static const struct nla_policy devlink_selftest_nl_policy[DEVLINK_ATTR_SELFTEST_
[DEVLINK_ATTR_SELFTEST_ID_FLASH] = { .type = NLA_FLAG },
};
-int devlink_nl_cmd_selftests_run(struct sk_buff *skb, struct genl_info *info)
+int devlink_nl_selftests_run_doit(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *tb[DEVLINK_ATTR_SELFTEST_ID_MAX + 1];
struct devlink *devlink = info->user_ptr[0];