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tunnels: advertise link netns via netlink 

Implement rtnl_link_ops->get_link_net() callback so that IFLA_LINK_NETNSID is
added to rtnetlink messages.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2015-01-15 15:11:17 +01:00 committed by David S. Miller
parent d37512a277
commit 1728d4fabd
11 changed files with 34 additions and 0 deletions
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8
drivers/net/vxlan.c
View File

@ -2923,6 +2923,13 @@ nla_put_failure:
return -EMSGSIZE;
}
static struct net *vxlan_get_link_net(const struct net_device *dev)
{
struct vxlan_dev *vxlan = netdev_priv(dev);
return vxlan->net;
}
static struct rtnl_link_ops vxlan_link_ops __read_mostly = {
.kind = "vxlan",
.maxtype = IFLA_VXLAN_MAX,
@ -2934,6 +2941,7 @@ static struct rtnl_link_ops vxlan_link_ops __read_mostly = {
.dellink = vxlan_dellink,
.get_size = vxlan_get_size,
.fill_info = vxlan_fill_info,
.get_link_net = vxlan_get_link_net,
};
static void vxlan_handle_lowerdev_unregister(struct vxlan_net *vn,

1
include/net/ip6_tunnel.h
View File

@ -70,6 +70,7 @@ int ip6_tnl_xmit_ctl(struct ip6_tnl *t, const struct in6_addr *laddr,
__u16 ip6_tnl_parse_tlv_enc_lim(struct sk_buff *skb, __u8 *raw);
__u32 ip6_tnl_get_cap(struct ip6_tnl *t, const struct in6_addr *laddr,
const struct in6_addr *raddr);
struct net *ip6_tnl_get_link_net(const struct net_device *dev);
static inline void ip6tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
{

1
include/net/ip_tunnels.h
View File

@ -141,6 +141,7 @@ int ip_tunnel_encap_del_ops(const struct ip_tunnel_encap_ops *op,
int ip_tunnel_init(struct net_device *dev);
void ip_tunnel_uninit(struct net_device *dev);
void ip_tunnel_dellink(struct net_device *dev, struct list_head *head);
struct net *ip_tunnel_get_link_net(const struct net_device *dev);
int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
struct rtnl_link_ops *ops, char *devname);

2
net/ipv4/ip_gre.c
View File

@ -829,6 +829,7 @@ static struct rtnl_link_ops ipgre_link_ops __read_mostly = {
.dellink = ip_tunnel_dellink,
.get_size = ipgre_get_size,
.fill_info = ipgre_fill_info,
.get_link_net = ip_tunnel_get_link_net,
};
static struct rtnl_link_ops ipgre_tap_ops __read_mostly = {
@ -843,6 +844,7 @@ static struct rtnl_link_ops ipgre_tap_ops __read_mostly = {
.dellink = ip_tunnel_dellink,
.get_size = ipgre_get_size,
.fill_info = ipgre_fill_info,
.get_link_net = ip_tunnel_get_link_net,
};
static int __net_init ipgre_tap_init_net(struct net *net)

8
net/ipv4/ip_tunnel.c
View File

@ -972,6 +972,14 @@ void ip_tunnel_dellink(struct net_device *dev, struct list_head *head)
}
EXPORT_SYMBOL_GPL(ip_tunnel_dellink);
struct net *ip_tunnel_get_link_net(const struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
return tunnel->net;
}
EXPORT_SYMBOL(ip_tunnel_get_link_net);
int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
struct rtnl_link_ops *ops, char *devname)
{

1
net/ipv4/ip_vti.c
View File

@ -531,6 +531,7 @@ static struct rtnl_link_ops vti_link_ops __read_mostly = {
.dellink = ip_tunnel_dellink,
.get_size = vti_get_size,
.fill_info = vti_fill_info,
.get_link_net = ip_tunnel_get_link_net,
};
static int __init vti_init(void)

1
net/ipv4/ipip.c
View File

@ -498,6 +498,7 @@ static struct rtnl_link_ops ipip_link_ops __read_mostly = {
.dellink = ip_tunnel_dellink,
.get_size = ipip_get_size,
.fill_info = ipip_fill_info,
.get_link_net = ip_tunnel_get_link_net,
};
static struct xfrm_tunnel ipip_handler __read_mostly = {

1
net/ipv6/ip6_gre.c
View File

@ -1662,6 +1662,7 @@ static struct rtnl_link_ops ip6gre_link_ops __read_mostly = {
.dellink = ip6gre_dellink,
.get_size = ip6gre_get_size,
.fill_info = ip6gre_fill_info,
.get_link_net = ip6_tnl_get_link_net,
};
static struct rtnl_link_ops ip6gre_tap_ops __read_mostly = {

9
net/ipv6/ip6_tunnel.c
View File

@ -1760,6 +1760,14 @@ nla_put_failure:
return -EMSGSIZE;
}
struct net *ip6_tnl_get_link_net(const struct net_device *dev)
{
struct ip6_tnl *tunnel = netdev_priv(dev);
return tunnel->net;
}
EXPORT_SYMBOL(ip6_tnl_get_link_net);
static const struct nla_policy ip6_tnl_policy[IFLA_IPTUN_MAX + 1] = {
[IFLA_IPTUN_LINK] = { .type = NLA_U32 },
[IFLA_IPTUN_LOCAL] = { .len = sizeof(struct in6_addr) },
@ -1783,6 +1791,7 @@ static struct rtnl_link_ops ip6_link_ops __read_mostly = {
.dellink = ip6_tnl_dellink,
.get_size = ip6_tnl_get_size,
.fill_info = ip6_tnl_fill_info,
.get_link_net = ip6_tnl_get_link_net,
};
static struct xfrm6_tunnel ip4ip6_handler __read_mostly = {

1
net/ipv6/ip6_vti.c
View File

@ -1016,6 +1016,7 @@ static struct rtnl_link_ops vti6_link_ops __read_mostly = {
.changelink = vti6_changelink,
.get_size = vti6_get_size,
.fill_info = vti6_fill_info,
.get_link_net = ip6_tnl_get_link_net,
};
static void __net_exit vti6_destroy_tunnels(struct vti6_net *ip6n)

1
net/ipv6/sit.c
View File

@ -1763,6 +1763,7 @@ static struct rtnl_link_ops sit_link_ops __read_mostly = {
.get_size = ipip6_get_size,
.fill_info = ipip6_fill_info,
.dellink = ipip6_dellink,
.get_link_net = ip_tunnel_get_link_net,
};
static struct xfrm_tunnel sit_handler __read_mostly = {