X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fdccp%2Fdccp.h;h=32617e0576cb04e240d654f13c2cbecb64d9230a;hb=49997d75152b3d23c53b0fa730599f2f74c92c65;hp=ba2ef94a230256e47e49179ced2d3324bd12acfb;hpb=14d0647c98f52e2d76113d44de6b771ec87a934f;p=linux-2.6

diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index ba2ef94a23..32617e0576 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -23,9 +23,9 @@
  * 	DCCP - specific warning and debugging macros.
  */
 #define DCCP_WARN(fmt, a...) LIMIT_NETDEBUG(KERN_WARNING "%s: " fmt,       \
-							__FUNCTION__, ##a)
+							__func__, ##a)
 #define DCCP_CRIT(fmt, a...) printk(KERN_CRIT fmt " at %s:%d/%s()\n", ##a, \
-					 __FILE__, __LINE__, __FUNCTION__)
+					 __FILE__, __LINE__, __func__)
 #define DCCP_BUG(a...)       do { DCCP_CRIT("BUG: " a); dump_stack(); } while(0)
 #define DCCP_BUG_ON(cond)    do { if (unlikely((cond) != 0))		   \
 				     DCCP_BUG("\"%s\" holds (exception!)", \
@@ -36,7 +36,7 @@
 							printk(fmt, ##args); \
 						} while(0)
 #define DCCP_PR_DEBUG(enable, fmt, a...)	DCCP_PRINTK(enable, KERN_DEBUG \
-						  "%s: " fmt, __FUNCTION__, ##a)
+						  "%s: " fmt, __func__, ##a)
 
 #ifdef CONFIG_IP_DCCP_DEBUG
 extern int dccp_debug;
@@ -153,6 +153,21 @@ static inline u64 max48(const u64 seq1, const u64 seq2)
 	return after48(seq1, seq2) ? seq1 : seq2;
 }
 
+/**
+ * dccp_loss_free  -  Evaluates condition for data loss from RFC 4340, 7.7.1
+ * @s1:	 start sequence number
+ * @s2:  end sequence number
+ * @ndp: NDP count on packet with sequence number @s2
+ * Returns true if the sequence range s1...s2 has no data loss.
+ */
+static inline bool dccp_loss_free(const u64 s1, const u64 s2, const u64 ndp)
+{
+	s64 delta = dccp_delta_seqno(s1, s2);
+
+	BUG_TRAP(delta >= 0);
+	return (u64)delta <= ndp + 1;
+}
+
 enum {
 	DCCP_MIB_NUM = 0,
 	DCCP_MIB_ACTIVEOPENS,			/* ActiveOpens */
@@ -262,7 +277,7 @@ extern int dccp_rcv_established(struct sock *sk, struct sk_buff *skb,
 				const struct dccp_hdr *dh, const unsigned len);
 
 extern int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized);
-extern int dccp_destroy_sock(struct sock *sk);
+extern void dccp_destroy_sock(struct sock *sk);
 
 extern void		dccp_close(struct sock *sk, long timeout);
 extern struct sk_buff	*dccp_make_response(struct sock *sk,
@@ -296,7 +311,7 @@ extern unsigned int dccp_poll(struct file *file, struct socket *sock,
 extern int	   dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr,
 				   int addr_len);
 
-extern struct sk_buff *dccp_ctl_make_reset(struct socket *ctl,
+extern struct sk_buff *dccp_ctl_make_reset(struct sock *sk,
 					   struct sk_buff *skb);
 extern int	   dccp_send_reset(struct sock *sk, enum dccp_reset_codes code);
 extern void	   dccp_send_close(struct sock *sk, const int active);