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Message-Id: <1362559342-18784-2-git-send-email-ja@ssi.bg>
Date: Wed, 6 Mar 2013 10:42:11 +0200
From: Julian Anastasov <ja@....bg>
To: Simon Horman <horms@...ge.net.au>
Cc: lvs-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH net-next 01/12] net: add dst_get_noref and refdst_ptr helpers
Needed to hide refdst details.
Signed-off-by: Julian Anastasov <ja@....bg>
---
include/net/dst.h | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/include/net/dst.h b/include/net/dst.h
index 853cda1..967f42a 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -264,10 +264,22 @@ static inline struct dst_entry *dst_clone(struct dst_entry *dst)
extern void dst_release(struct dst_entry *dst);
+/* Get noref version of dst */
+static inline struct dst_entry *dst_get_noref(struct dst_entry *dst)
+{
+ return (struct dst_entry *) ((unsigned long) dst | SKB_DST_NOREF);
+}
+
+/* Return dst pointer from refdst */
+static inline struct dst_entry *refdst_ptr(unsigned long refdst)
+{
+ return (struct dst_entry *)(refdst & SKB_DST_PTRMASK);
+}
+
static inline void refdst_drop(unsigned long refdst)
{
if (!(refdst & SKB_DST_NOREF))
- dst_release((struct dst_entry *)(refdst & SKB_DST_PTRMASK));
+ dst_release(refdst_ptr(refdst));
}
/**
--
1.7.3.4
--
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