*
* Version: @(#)sock.h 1.0.4 05/13/93
*
- * Authors: Ross Biro, <bir7@leland.Stanford.Edu>
+ * Authors: Ross Biro
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Corey Minyard <wf-rch!minyard@relay.EU.net>
* Florian La Roche <flla@stud.uni-sb.de>
* @sk_callback_lock: used with the callbacks in the end of this struct
* @sk_error_queue: rarely used
* @sk_prot: protocol handlers inside a network family
+ * @sk_prot_creator: sk_prot of original sock creator (see ipv6_setsockopt, IPV6_ADDRFORM for instance)
* @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_ack_backlog: current listen backlog
} sk_backlog;
struct sk_buff_head sk_error_queue;
struct proto *sk_prot;
+ struct proto *sk_prot_creator;
rwlock_t sk_callback_lock;
int sk_err,
sk_err_soft;
SOCK_QUEUE_SHRUNK, /* write queue has been shrunk recently */
};
+static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
+{
+ nsk->sk_flags = osk->sk_flags;
+}
+
static inline void sock_set_flag(struct sock *sk, enum sock_flags flag)
{
__set_bit(flag, &sk->sk_flags);
extern int sk_wait_data(struct sock *sk, long *timeo);
+struct request_sock_ops;
+
/* Networking protocol blocks we attach to sockets.
* socket layer -> transport layer interface
* transport -> network interface is defined by struct inet_proto
kmem_cache_t *slab;
unsigned int obj_size;
+ struct request_sock_ops *rsk_prot;
+
struct module *owner;
char name[32];
#define bh_lock_sock(__sk) spin_lock(&((__sk)->sk_lock.slock))
#define bh_unlock_sock(__sk) spin_unlock(&((__sk)->sk_lock.slock))
-extern struct sock *sk_alloc(int family, int priority,
+extern struct sock *sk_alloc(int family,
+ unsigned int __nocast priority,
struct proto *prot, int zero_it);
extern void sk_free(struct sock *sk);
extern struct sk_buff *sock_wmalloc(struct sock *sk,
unsigned long size, int force,
- int priority);
+ unsigned int __nocast priority);
extern struct sk_buff *sock_rmalloc(struct sock *sk,
unsigned long size, int force,
- int priority);
+ unsigned int __nocast priority);
extern void sock_wfree(struct sk_buff *skb);
extern void sock_rfree(struct sk_buff *skb);
unsigned long size,
int noblock,
int *errcode);
-extern void *sock_kmalloc(struct sock *sk, int size, int priority);
+extern void *sock_kmalloc(struct sock *sk, int size,
+ unsigned int __nocast priority);
extern void sock_kfree_s(struct sock *sk, void *mem, int size);
extern void sk_send_sigurg(struct sock *sk);
}
static inline struct sk_buff *sk_stream_alloc_pskb(struct sock *sk,
- int size, int mem, int gfp)
+ int size, int mem,
+ unsigned int __nocast gfp)
{
- struct sk_buff *skb = alloc_skb(size + sk->sk_prot->max_header, gfp);
+ struct sk_buff *skb;
+ int hdr_len;
+ hdr_len = SKB_DATA_ALIGN(sk->sk_prot->max_header);
+ skb = alloc_skb(size + hdr_len, gfp);
if (skb) {
skb->truesize += mem;
if (sk->sk_forward_alloc >= (int)skb->truesize ||
sk_stream_mem_schedule(sk, skb->truesize, 0)) {
- skb_reserve(skb, sk->sk_prot->max_header);
+ skb_reserve(skb, hdr_len);
return skb;
}
__kfree_skb(skb);
}
static inline struct sk_buff *sk_stream_alloc_skb(struct sock *sk,
- int size, int gfp)
+ int size,
+ unsigned int __nocast gfp)
{
return sk_stream_alloc_pskb(sk, size, 0, gfp);
}
return atomic_read(&sk->sk_wmem_alloc) < (sk->sk_sndbuf / 2);
}
-static inline int gfp_any(void)
+static inline unsigned int __nocast gfp_any(void)
{
return in_softirq() ? GFP_ATOMIC : GFP_KERNEL;
}