aboutsummaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/netdevice.h10
-rw-r--r--include/net/net_namespace.h33
-rw-r--r--include/net/sock.h16
3 files changed, 36 insertions, 23 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 9b0c8f12373e..1e6af4f174b6 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -739,6 +739,16 @@ static inline void *netdev_priv(const struct net_device *dev)
739 */ 739 */
740#define SET_NETDEV_DEV(net, pdev) ((net)->dev.parent = (pdev)) 740#define SET_NETDEV_DEV(net, pdev) ((net)->dev.parent = (pdev))
741 741
742/**
743 * netif_napi_add - initialize a napi context
744 * @dev: network device
745 * @napi: napi context
746 * @poll: polling function
747 * @weight: default weight
748 *
749 * netif_napi_add() must be used to initialize a napi context prior to calling
750 * *any* of the other napi related functions.
751 */
742static inline void netif_napi_add(struct net_device *dev, 752static inline void netif_napi_add(struct net_device *dev,
743 struct napi_struct *napi, 753 struct napi_struct *napi,
744 int (*poll)(struct napi_struct *, int), 754 int (*poll)(struct napi_struct *, int),
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 5279466606d2..1fd449a6530b 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -51,13 +51,12 @@ static inline struct net *copy_net_ns(unsigned long flags, struct net *net_ns)
51} 51}
52#endif 52#endif
53 53
54#ifdef CONFIG_NET_NS
54extern void __put_net(struct net *net); 55extern void __put_net(struct net *net);
55 56
56static inline struct net *get_net(struct net *net) 57static inline struct net *get_net(struct net *net)
57{ 58{
58#ifdef CONFIG_NET
59 atomic_inc(&net->count); 59 atomic_inc(&net->count);
60#endif
61 return net; 60 return net;
62} 61}
63 62
@@ -75,26 +74,44 @@ static inline struct net *maybe_get_net(struct net *net)
75 74
76static inline void put_net(struct net *net) 75static inline void put_net(struct net *net)
77{ 76{
78#ifdef CONFIG_NET
79 if (atomic_dec_and_test(&net->count)) 77 if (atomic_dec_and_test(&net->count))
80 __put_net(net); 78 __put_net(net);
81#endif
82} 79}
83 80
84static inline struct net *hold_net(struct net *net) 81static inline struct net *hold_net(struct net *net)
85{ 82{
86#ifdef CONFIG_NET
87 atomic_inc(&net->use_count); 83 atomic_inc(&net->use_count);
88#endif
89 return net; 84 return net;
90} 85}
91 86
92static inline void release_net(struct net *net) 87static inline void release_net(struct net *net)
93{ 88{
94#ifdef CONFIG_NET
95 atomic_dec(&net->use_count); 89 atomic_dec(&net->use_count);
96#endif
97} 90}
91#else
92static inline struct net *get_net(struct net *net)
93{
94 return net;
95}
96
97static inline void put_net(struct net *net)
98{
99}
100
101static inline struct net *hold_net(struct net *net)
102{
103 return net;
104}
105
106static inline void release_net(struct net *net)
107{
108}
109
110static inline struct net *maybe_get_net(struct net *net)
111{
112 return net;
113}
114#endif
98 115
99#define for_each_net(VAR) \ 116#define for_each_net(VAR) \
100 list_for_each_entry(VAR, &net_namespace_list, list) 117 list_for_each_entry(VAR, &net_namespace_list, list)
diff --git a/include/net/sock.h b/include/net/sock.h
index 43fc3fa50d62..20de3fa7ae40 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -779,7 +779,7 @@ extern void FASTCALL(release_sock(struct sock *sk));
779 779
780extern struct sock *sk_alloc(struct net *net, int family, 780extern struct sock *sk_alloc(struct net *net, int family,
781 gfp_t priority, 781 gfp_t priority,
782 struct proto *prot, int zero_it); 782 struct proto *prot);
783extern void sk_free(struct sock *sk); 783extern void sk_free(struct sock *sk);
784extern struct sock *sk_clone(const struct sock *sk, 784extern struct sock *sk_clone(const struct sock *sk,
785 const gfp_t priority); 785 const gfp_t priority);
@@ -993,20 +993,6 @@ static inline void sock_graft(struct sock *sk, struct socket *parent)
993 write_unlock_bh(&sk->sk_callback_lock); 993 write_unlock_bh(&sk->sk_callback_lock);
994} 994}
995 995
996static inline void sock_copy(struct sock *nsk, const struct sock *osk)
997{
998#ifdef CONFIG_SECURITY_NETWORK
999 void *sptr = nsk->sk_security;
1000#endif
1001
1002 memcpy(nsk, osk, osk->sk_prot->obj_size);
1003 get_net(nsk->sk_net);
1004#ifdef CONFIG_SECURITY_NETWORK
1005 nsk->sk_security = sptr;
1006 security_sk_clone(osk, nsk);
1007#endif
1008}
1009
1010extern int sock_i_uid(struct sock *sk); 996extern int sock_i_uid(struct sock *sk);
1011extern unsigned long sock_i_ino(struct sock *sk); 997extern unsigned long sock_i_ino(struct sock *sk);
1012 998