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Diffstat (limited to 'include/net/af_unix.h')
-rw-r--r--include/net/af_unix.h29
1 files changed, 23 insertions, 6 deletions
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 17e10fba2152..480fa579787e 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -16,18 +16,16 @@ void wait_for_unix_gc(void);
struct sock *unix_get_socket(struct file *filp);
struct sock *unix_peer_get(struct sock *sk);
-#define UNIX_HASH_SIZE 256
+#define UNIX_HASH_MOD (256 - 1)
+#define UNIX_HASH_SIZE (256 * 2)
#define UNIX_HASH_BITS 8
extern unsigned int unix_tot_inflight;
-extern spinlock_t unix_table_lock;
-extern struct hlist_head unix_socket_table[2 * UNIX_HASH_SIZE];
struct unix_address {
refcount_t refcnt;
int len;
- unsigned int hash;
- struct sockaddr_un name[0];
+ struct sockaddr_un name[];
};
struct unix_skb_parms {
@@ -42,7 +40,7 @@ struct unix_skb_parms {
} __randomize_layout;
struct scm_stat {
- u32 nr_fds;
+ atomic_t nr_fds;
};
#define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb))
@@ -70,6 +68,9 @@ struct unix_sock {
struct socket_wq peer_wq;
wait_queue_entry_t peer_wake;
struct scm_stat scm_stat;
+#if IS_ENABLED(CONFIG_AF_UNIX_OOB)
+ struct sk_buff *oob_skb;
+#endif
};
static inline struct unix_sock *unix_sk(const struct sock *sk)
@@ -82,6 +83,10 @@ static inline struct unix_sock *unix_sk(const struct sock *sk)
long unix_inq_len(struct sock *sk);
long unix_outq_len(struct sock *sk);
+int __unix_dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t size,
+ int flags);
+int __unix_stream_recvmsg(struct sock *sk, struct msghdr *msg, size_t size,
+ int flags);
#ifdef CONFIG_SYSCTL
int unix_sysctl_register(struct net *net);
void unix_sysctl_unregister(struct net *net);
@@ -89,4 +94,16 @@ void unix_sysctl_unregister(struct net *net);
static inline int unix_sysctl_register(struct net *net) { return 0; }
static inline void unix_sysctl_unregister(struct net *net) {}
#endif
+
+#ifdef CONFIG_BPF_SYSCALL
+extern struct proto unix_dgram_proto;
+extern struct proto unix_stream_proto;
+
+int unix_dgram_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore);
+int unix_stream_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore);
+void __init unix_bpf_build_proto(void);
+#else
+static inline void __init unix_bpf_build_proto(void)
+{}
+#endif
#endif