From 06383a94e2083c5030ee284c72b2c844817cf626 Mon Sep 17 00:00:00 2001
From: Julius Volz <juliusv@google.com>
Date: Tue, 2 Sep 2008 15:55:35 +0200
Subject: [PATCH] --- yaml --- r: 111560 b: refs/heads/master c:
 c842a3ada9ba8f0cca38a70de3fe0effcfab254c h: refs/heads/master v: v3

---
 [refs]                    |  2 +-
 trunk/include/net/ip_vs.h | 42 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index f1b3f28bd6f6..11f5b67bf64b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 64aae3cb9fd22f33e491c4730d363eb2229ef910
+refs/heads/master: c842a3ada9ba8f0cca38a70de3fe0effcfab254c
diff --git a/trunk/include/net/ip_vs.h b/trunk/include/net/ip_vs.h
index 5d6313d972fc..0400e590b6a2 100644
--- a/trunk/include/net/ip_vs.h
+++ b/trunk/include/net/ip_vs.h
@@ -78,6 +78,46 @@ static inline int ip_vs_addr_equal(int af, const union nf_inet_addr *a,
 #include <linux/net.h>
 
 extern int ip_vs_get_debug_level(void);
+
+static inline const char *ip_vs_dbg_addr(int af, char *buf, size_t buf_len,
+					 const union nf_inet_addr *addr,
+					 int *idx)
+{
+	int len;
+#ifdef CONFIG_IP_VS_IPV6
+	if (af == AF_INET6)
+		len = snprintf(&buf[*idx], buf_len - *idx, "[" NIP6_FMT "]",
+			       NIP6(addr->in6)) + 1;
+	else
+#endif
+		len = snprintf(&buf[*idx], buf_len - *idx, NIPQUAD_FMT,
+			       NIPQUAD(addr->ip)) + 1;
+
+	*idx += len;
+	BUG_ON(*idx > buf_len + 1);
+	return &buf[*idx - len];
+}
+
+#define IP_VS_DBG_BUF(level, msg...)			\
+    do {						\
+	    char ip_vs_dbg_buf[160];			\
+	    int ip_vs_dbg_idx = 0;			\
+	    if (level <= ip_vs_get_debug_level())	\
+		    printk(KERN_DEBUG "IPVS: " msg);	\
+    } while (0)
+#define IP_VS_ERR_BUF(msg...)				\
+    do {						\
+	    char ip_vs_dbg_buf[160];			\
+	    int ip_vs_dbg_idx = 0;			\
+	    printk(KERN_ERR "IPVS: " msg);		\
+    } while (0)
+
+/* Only use from within IP_VS_DBG_BUF() or IP_VS_ERR_BUF macros */
+#define IP_VS_DBG_ADDR(af, addr)			\
+    ip_vs_dbg_addr(af, ip_vs_dbg_buf,			\
+		   sizeof(ip_vs_dbg_buf), addr,		\
+		   &ip_vs_dbg_idx)
+
 #define IP_VS_DBG(level, msg...)			\
     do {						\
 	    if (level <= ip_vs_get_debug_level())	\
@@ -100,6 +140,8 @@ extern int ip_vs_get_debug_level(void);
 		pp->debug_packet(pp, skb, ofs, msg);	\
     } while (0)
 #else	/* NO DEBUGGING at ALL */
+#define IP_VS_DBG_BUF(level, msg...)  do {} while (0)
+#define IP_VS_ERR_BUF(msg...)  do {} while (0)
 #define IP_VS_DBG(level, msg...)  do {} while (0)
 #define IP_VS_DBG_RL(msg...)  do {} while (0)
 #define IP_VS_DBG_PKT(level, pp, skb, ofs, msg)		do {} while (0)