* [PATCH 1/7] neigh: Create mechanism for generic neigh private areas.
@ 2011-12-01 3:41 David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2011-12-01 3:41 UTC (permalink / raw)
To: netdev
The implementation private sits right after the primary_key memory.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/net/neighbour.h | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 7ae5acf..87c0e5c 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -179,6 +179,13 @@ struct neigh_table {
struct pneigh_entry **phash_buckets;
};
+#define NEIGH_PRIV_ALIGN sizeof(long long)
+
+static inline void *neighbour_priv(const struct neighbour *n)
+{
+ return (char *)n + ALIGN(sizeof(*n) + n->tbl->key_len, NEIGH_PRIV_ALIGN);
+}
+
/* flags for neigh_update() */
#define NEIGH_UPDATE_F_OVERRIDE 0x00000001
#define NEIGH_UPDATE_F_WEAK_OVERRIDE 0x00000002
--
1.7.6.4
^ permalink raw reply related [flat|nested] 2+ messages in thread* [PATCH 1/7] neigh: Create mechanism for generic neigh private areas.
@ 2011-07-25 10:01 David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2011-07-25 10:01 UTC (permalink / raw)
To: roland-DgEjT+Ai2ygdnm+yROfE0A
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA, netdev-u79uwXL29TY76Z2rM5mHXA
The implementation private sits right after the primary_key memory.
Signed-off-by: David S. Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
---
include/net/neighbour.h | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 4ba8521..8ff9143 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -178,6 +178,13 @@ struct neigh_table {
struct pneigh_entry **phash_buckets;
};
+#define NEIGH_PRIV_ALIGN sizeof(long long)
+
+static inline void *neighbour_priv(const struct neighbour *n)
+{
+ return (char *)n + ALIGN(sizeof(*n) + n->tbl->key_len, NEIGH_PRIV_ALIGN);
+}
+
/* flags for neigh_update() */
#define NEIGH_UPDATE_F_OVERRIDE 0x00000001
#define NEIGH_UPDATE_F_WEAK_OVERRIDE 0x00000002
--
1.7.6
--
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