diff options
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 41 |
1 files changed, 11 insertions, 30 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index dc42b44c2aa1..06c5259aff30 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -166,7 +166,7 @@ struct sock_common { * @sk_err: last error * @sk_err_soft: errors that don't cause failure but are the cause of a * persistent failure not just 'timed out' - * @sk_drops: raw drops counter + * @sk_drops: raw/udp drops counter * @sk_ack_backlog: current listen backlog * @sk_max_ack_backlog: listen backlog set in listen() * @sk_priority: %SO_PRIORITY setting @@ -524,7 +524,7 @@ struct proto { int (*ioctl)(struct sock *sk, int cmd, unsigned long arg); int (*init)(struct sock *sk); - int (*destroy)(struct sock *sk); + void (*destroy)(struct sock *sk); void (*shutdown)(struct sock *sk, int how); int (*setsockopt)(struct sock *sk, int level, int optname, char __user *optval, @@ -565,7 +565,7 @@ struct proto { #endif /* Memory pressure */ - void (*enter_memory_pressure)(void); + void (*enter_memory_pressure)(struct sock *sk); atomic_t *memory_allocated; /* Current allocated memory. */ atomic_t *sockets_allocated; /* Current number of sockets. */ /* @@ -990,6 +990,11 @@ static inline void sock_put(struct sock *sk) extern int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested); +static inline void sk_set_socket(struct sock *sk, struct socket *sock) +{ + sk->sk_socket = sock; +} + /* Detach socket from process context. * Announce socket dead, detach it from wait queue and inode. * Note that parent inode held reference count on this struct sock, @@ -1001,7 +1006,7 @@ static inline void sock_orphan(struct sock *sk) { write_lock_bh(&sk->sk_callback_lock); sock_set_flag(sk, SOCK_DEAD); - sk->sk_socket = NULL; + sk_set_socket(sk, NULL); sk->sk_sleep = NULL; write_unlock_bh(&sk->sk_callback_lock); } @@ -1011,7 +1016,7 @@ static inline void sock_graft(struct sock *sk, struct socket *parent) write_lock_bh(&sk->sk_callback_lock); sk->sk_sleep = &parent->wait; parent->sk = sk; - sk->sk_socket = parent; + sk_set_socket(sk, parent); security_sock_graft(sk, parent); write_unlock_bh(&sk->sk_callback_lock); } @@ -1205,7 +1210,7 @@ static inline struct page *sk_stream_alloc_page(struct sock *sk) page = alloc_pages(sk->sk_allocation, 0); if (!page) { - sk->sk_prot->enter_memory_pressure(); + sk->sk_prot->enter_memory_pressure(sk); sk_stream_moderate_sndbuf(sk); } return page; @@ -1331,30 +1336,6 @@ extern int net_msg_warn; #define LIMIT_NETDEBUG(fmt, args...) \ do { if (net_msg_warn && net_ratelimit()) printk(fmt,##args); } while(0) -/* - * Macros for sleeping on a socket. Use them like this: - * - * SOCK_SLEEP_PRE(sk) - * if (condition) - * schedule(); - * SOCK_SLEEP_POST(sk) - * - * N.B. These are now obsolete and were, afaik, only ever used in DECnet - * and when the last use of them in DECnet has gone, I'm intending to - * remove them. - */ - -#define SOCK_SLEEP_PRE(sk) { struct task_struct *tsk = current; \ - DECLARE_WAITQUEUE(wait, tsk); \ - tsk->state = TASK_INTERRUPTIBLE; \ - add_wait_queue((sk)->sk_sleep, &wait); \ - release_sock(sk); - -#define SOCK_SLEEP_POST(sk) tsk->state = TASK_RUNNING; \ - remove_wait_queue((sk)->sk_sleep, &wait); \ - lock_sock(sk); \ - } - extern __u32 sysctl_wmem_max; extern __u32 sysctl_rmem_max; |