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Diffstat (limited to 'include/net/sock.h')
-rw-r--r--include/net/sock.h31
1 files changed, 17 insertions, 14 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 182ca99405ad..14f6e9d19dc7 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -140,6 +140,7 @@ typedef __u64 __bitwise __addrpair;
* @skc_family: network address family
* @skc_state: Connection state
* @skc_reuse: %SO_REUSEADDR setting
+ * @skc_reuseport: %SO_REUSEPORT setting
* @skc_bound_dev_if: bound device index if != 0
* @skc_bind_node: bind hash linkage for various protocol lookup tables
* @skc_portaddr_node: second hash linkage for UDP/UDP-Lite protocol
@@ -179,7 +180,8 @@ struct sock_common {
unsigned short skc_family;
volatile unsigned char skc_state;
- unsigned char skc_reuse;
+ unsigned char skc_reuse:4;
+ unsigned char skc_reuseport:4;
int skc_bound_dev_if;
union {
struct hlist_node skc_bind_node;
@@ -297,6 +299,7 @@ struct sock {
#define sk_family __sk_common.skc_family
#define sk_state __sk_common.skc_state
#define sk_reuse __sk_common.skc_reuse
+#define sk_reuseport __sk_common.skc_reuseport
#define sk_bound_dev_if __sk_common.skc_bound_dev_if
#define sk_bind_node __sk_common.skc_bind_node
#define sk_prot __sk_common.skc_prot
@@ -337,7 +340,7 @@ struct sock {
#endif
unsigned long sk_flags;
struct dst_entry *sk_rx_dst;
- struct dst_entry *sk_dst_cache;
+ struct dst_entry __rcu *sk_dst_cache;
spinlock_t sk_dst_lock;
atomic_t sk_wmem_alloc;
atomic_t sk_omem_alloc;
@@ -603,24 +606,23 @@ static inline void sk_add_bind_node(struct sock *sk,
hlist_add_head(&sk->sk_bind_node, list);
}
-#define sk_for_each(__sk, node, list) \
- hlist_for_each_entry(__sk, node, list, sk_node)
-#define sk_for_each_rcu(__sk, node, list) \
- hlist_for_each_entry_rcu(__sk, node, list, sk_node)
+#define sk_for_each(__sk, list) \
+ hlist_for_each_entry(__sk, list, sk_node)
+#define sk_for_each_rcu(__sk, list) \
+ hlist_for_each_entry_rcu(__sk, list, sk_node)
#define sk_nulls_for_each(__sk, node, list) \
hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node)
#define sk_nulls_for_each_rcu(__sk, node, list) \
hlist_nulls_for_each_entry_rcu(__sk, node, list, sk_nulls_node)
-#define sk_for_each_from(__sk, node) \
- if (__sk && ({ node = &(__sk)->sk_node; 1; })) \
- hlist_for_each_entry_from(__sk, node, sk_node)
+#define sk_for_each_from(__sk) \
+ hlist_for_each_entry_from(__sk, sk_node)
#define sk_nulls_for_each_from(__sk, node) \
if (__sk && ({ node = &(__sk)->sk_nulls_node; 1; })) \
hlist_nulls_for_each_entry_from(__sk, node, sk_nulls_node)
-#define sk_for_each_safe(__sk, node, tmp, list) \
- hlist_for_each_entry_safe(__sk, node, tmp, list, sk_node)
-#define sk_for_each_bound(__sk, node, list) \
- hlist_for_each_entry(__sk, node, list, sk_bind_node)
+#define sk_for_each_safe(__sk, tmp, list) \
+ hlist_for_each_entry_safe(__sk, tmp, list, sk_node)
+#define sk_for_each_bound(__sk, list) \
+ hlist_for_each_entry(__sk, list, sk_bind_node)
static inline struct user_namespace *sk_user_ns(struct sock *sk)
{
@@ -664,6 +666,7 @@ enum sock_flags {
* Will use last 4 bytes of packet sent from
* user-space instead.
*/
+ SOCK_FILTER_LOCKED, /* Filter cannot be changed anymore */
};
static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
@@ -1037,7 +1040,7 @@ static inline void sk_refcnt_debug_dec(struct sock *sk)
sk->sk_prot->name, sk, atomic_read(&sk->sk_prot->socks));
}
-inline void sk_refcnt_debug_release(const struct sock *sk)
+static inline void sk_refcnt_debug_release(const struct sock *sk)
{
if (atomic_read(&sk->sk_refcnt) != 1)
printk(KERN_DEBUG "Destruction of the %s socket %p delayed, refcnt=%d\n",