The implementation private sits right after the primary_key memory.
Signed-off-by: David S. Miller <[email protected]>
---
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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