X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Fnet%2Fsock.h;h=e9b1dbab90d007fec58e666d98205c1b8ca6a114;hb=53b924b31fa53ac3007df3fef6870d5074a9adf8;hp=cc4c9190b7fd861fb715953759a5b9068b03f7c3;hpb=325a479c4c110db278ef3361460a48c4093252cc;p=deliverable%2Flinux.git

diff --git a/include/net/sock.h b/include/net/sock.h
index cc4c9190b7fd..e9b1dbab90d0 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -7,7 +7,7 @@
  *
  * 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>
@@ -141,6 +141,7 @@ struct sock_common {
   *	@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
@@ -218,6 +219,7 @@ struct sock {
 	} 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;
@@ -382,6 +384,11 @@ enum sock_flags {
 	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);
@@ -482,6 +489,8 @@ extern void sk_stream_kill_queues(struct sock *sk);
 
 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
@@ -545,6 +554,8 @@ struct proto {
 	kmem_cache_t		*slab;
 	unsigned int		obj_size;
 
+	struct request_sock_ops	*rsk_prot;
+
 	struct module		*owner;
 
 	char			name[32];
@@ -678,16 +689,17 @@ extern void FASTCALL(release_sock(struct sock *sk));
 #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);
 
@@ -702,7 +714,8 @@ extern struct sk_buff 		*sock_alloc_send_skb(struct sock *sk,
 						     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);
 
@@ -1126,15 +1139,19 @@ static inline void sk_stream_moderate_sndbuf(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);
@@ -1146,7 +1163,8 @@ static inline struct sk_buff *sk_stream_alloc_pskb(struct sock *sk,
 }
 
 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);
 }
@@ -1179,7 +1197,7 @@ static inline int sock_writeable(const struct sock *sk)
 	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;
 }