Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 24 insertions, 9 deletions

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index bd10a7908993..aef430d779bd 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -7,6 +7,7 @@
 #include <asm/atomic.h>
 #include <linux/workqueue.h>
 #include <linux/list.h>
+#include <linux/sysctl.h>
 
 #include <net/netns/core.h>
 #include <net/netns/mib.h>
@@ -27,20 +28,26 @@ struct sock;
 struct ctl_table_header;
 struct net_generic;
 struct sock;
+struct netns_ipvs;
 
 
 #define NETDEV_HASHBITS    8
 #define NETDEV_HASHENTRIES (1 << NETDEV_HASHBITS)
 
 struct net {
+        atomic_t                passive;        /* To decided when the network
+                                                 * namespace should be freed.
+                                                 */
         atomic_t                count;          /* To decided when the network
-                                                 *  namespace should be freed.
+                                                 *  namespace should be shut down.
                                                  */
 #ifdef NETNS_REFCNT_DEBUG
         atomic_t                use_count;      /* To track references we
                                                  * destroy on demand
                                                  */
 #endif
+        spinlock_t              rules_mod_lock;
+
         struct list_head        list;           /* list of network namespaces */
         struct list_head        cleanup_list;   /* namespaces on death row */
         struct list_head        exit_list;      /* Use only net_mutex */
@@ -52,7 +59,8 @@ struct net {
         struct ctl_table_set    sysctls;
 #endif
 
-        struct net_device       *loopback_dev;          /* The loopback */
+        struct sock             *rtnl;                  /* rtnetlink socket */
+        struct sock             *genl_sock;
 
         struct list_head        dev_base_head;
         struct hlist_head       *dev_name_head;
@@ -60,11 +68,9 @@ struct net {
 
         /* core fib_rules */
         struct list_head        rules_ops;
-        spinlock_t              rules_mod_lock;
 
-        struct sock             *rtnl;                  /* rtnetlink socket */
-        struct sock             *genl_sock;
 
+        struct net_device       *loopback_dev;          /* The loopback */
         struct netns_core       core;
         struct netns_mib        mib;
         struct netns_packet     packet;
@@ -84,13 +90,16 @@ struct net {
         struct sock             *nfnl;
         struct sock             *nfnl_stash;
 #endif
-#ifdef CONFIG_XFRM
-        struct netns_xfrm       xfrm;
-#endif
 #ifdef CONFIG_WEXT_CORE
         struct sk_buff_head     wext_nlevents;
 #endif
-        struct net_generic      *gen;
+        struct net_generic __rcu        *gen;
+
+        /* Note : following structs are cache line aligned */
+#ifdef CONFIG_XFRM
+        struct netns_xfrm       xfrm;
+#endif
+        struct netns_ipvs       *ipvs;
 };
 
 
@@ -114,6 +123,7 @@ static inline struct net *copy_net_ns(unsigned long flags, struct net *net_ns)
 extern struct list_head net_namespace_list;
 
 extern struct net *get_net_ns_by_pid(pid_t pid);
+extern struct net *get_net_ns_by_fd(int pid);
 
 #ifdef CONFIG_NET_NS
 extern void __put_net(struct net *net);
@@ -147,6 +157,9 @@ int net_eq(const struct net *net1, const struct net *net2)
 {
         return net1 == net2;
 }
+
+extern void net_drop_ns(void *);
+
 #else
 
 static inline struct net *get_net(struct net *net)
@@ -168,6 +181,8 @@ int net_eq(const struct net *net1, const struct net *net2)
 {
         return 1;
 }
+
+#define net_drop_ns NULL
 #endif