diff options
author | Pavel Emelyanov <xemul@openvz.org> | 2008-04-16 10:15:17 +0200 |
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committer | David S. Miller <davem@davemloft.net> | 2008-04-16 10:15:17 +0200 |
commit | 8190d9009a74e7862b31874cd347b394d390cc6e (patch) | |
tree | cae154f5b8db1dc9c452252e17dc822d67e25662 /net/ipv6/sit.c | |
parent | [GRE]: Allow for IPPROTO_GRE protocol in namespaces. (diff) | |
download | linux-8190d9009a74e7862b31874cd347b394d390cc6e.tar.xz linux-8190d9009a74e7862b31874cd347b394d390cc6e.zip |
[SIT]: Introduce empty struct sit_net and init/exit net ops.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r-- | net/ipv6/sit.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 91e46fbe6ce2..aa6efc2ab55b 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -52,6 +52,8 @@ #include <net/inet_ecn.h> #include <net/xfrm.h> #include <net/dsfield.h> +#include <net/net_namespace.h> +#include <net/netns/generic.h> /* This version of net/ipv6/sit.c is cloned of net/ipv4/ip_gre.c @@ -66,6 +68,10 @@ static int ipip6_fb_tunnel_init(struct net_device *dev); static int ipip6_tunnel_init(struct net_device *dev); static void ipip6_tunnel_setup(struct net_device *dev); +static int sit_net_id; +struct sit_net { +}; + static struct net_device *ipip6_fb_tunnel_dev; static struct ip_tunnel *tunnels_r_l[HASH_SIZE]; @@ -1068,6 +1074,41 @@ static void __exit sit_destroy_tunnels(void) } } +static int sit_init_net(struct net *net) +{ + int err; + struct sit_net *sitn; + + err = -ENOMEM; + sitn = kmalloc(sizeof(struct sit_net), GFP_KERNEL); + if (sitn == NULL) + goto err_alloc; + + err = net_assign_generic(net, sit_net_id, sitn); + if (err < 0) + goto err_assign; + + return 0; + +err_assign: + kfree(sitn); +err_alloc: + return err; +} + +static void sit_exit_net(struct net *net) +{ + struct sit_net *sitn; + + sitn = net_generic(net, sit_net_id); + kfree(sitn); +} + +static struct pernet_operations sit_net_ops = { + .init = sit_init_net, + .exit = sit_exit_net, +}; + static void __exit sit_cleanup(void) { xfrm4_tunnel_deregister(&sit_handler, AF_INET6); @@ -1076,6 +1117,8 @@ static void __exit sit_cleanup(void) sit_destroy_tunnels(); unregister_netdevice(ipip6_fb_tunnel_dev); rtnl_unlock(); + + unregister_pernet_gen_device(sit_net_id, &sit_net_ops); } static int __init sit_init(void) @@ -1101,6 +1144,10 @@ static int __init sit_init(void) if ((err = register_netdev(ipip6_fb_tunnel_dev))) goto err2; + err = register_pernet_gen_device(&sit_net_id, &sit_net_ops); + if (err < 0) + goto err3; + out: return err; err2: @@ -1108,6 +1155,9 @@ static int __init sit_init(void) err1: xfrm4_tunnel_deregister(&sit_handler, AF_INET6); goto out; +err3: + unregister_netdevice(ipip6_fb_tunnel_dev); + goto err1; } module_init(sit_init); |