From: Stanislav Kinsburskiy <skinsbur...@parallels.com> This functions are mostly duplicating existent code in per-net hooks, except some initialization and locking, which are performed in rtnetlink layer.
https://jira.sw.ru/browse/PSBM-23441 Signed-off-by: Stanislav Kinsburskiy <skinsbur...@parallels.com> --- drivers/net/venetdev.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/drivers/net/venetdev.c b/drivers/net/venetdev.c index 50b3c91..fb3ef1e 100644 --- a/drivers/net/venetdev.c +++ b/drivers/net/venetdev.c @@ -749,6 +749,52 @@ static void venet_setup(struct net_device *dev) SET_ETHTOOL_OPS(dev, &venet_ethtool_ops); } +static void venet_dellink(struct net_device *dev, struct list_head *head) +{ + struct ve_struct *env = dev->nd_net->owner_ve; + + venet_ext_clean(env); + veip_stop(env); + + env->_venet_dev = NULL; + unregister_netdevice_queue(dev, head); +} + +static int venet_newlink(struct net *src_net, struct net_device *dev, + struct nlattr *tb[], struct nlattr *data[]) +{ + struct ve_struct *env = src_net->owner_ve; + int err; + + if (env->ve_netns && src_net != env->ve_netns) + /* Don't create venet-s in sub net namespaces */ + return -ENOSYS; + + if (env->veip) + return -EEXIST; + + env->ve_netns = src_net; + + err = veip_start(env); + if (err) + goto err; + + dev->features |= NETIF_F_NETNS_LOCAL; + + err = register_netdevice(dev); + if (err) + goto err_stop; + + env->_venet_dev = dev; + return 0; + +err_stop: + veip_stop(env); +err: + env->ve_netns = NULL; + return err; +} + #ifdef CONFIG_PROC_FS static void veaddr_seq_print(struct seq_file *m, struct ve_struct *ve) { @@ -1207,6 +1253,8 @@ static const struct nla_policy venet_policy[VENET_INFO_MAX + 1] = { static struct rtnl_link_ops venet_link_ops = { .kind = "venet", .priv_size = sizeof(struct veip_struct), + .newlink = venet_newlink, + .dellink = venet_dellink, .setup = venet_setup, .changelink = venet_changelink, .policy = venet_policy, _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
