[net-next,7/9] libnl: add nla_put_u64_64bit() helper

Commit Message

Nicolas Dichtel April 22, 2016, 3:31 p.m. UTC

With this function, nla_data() is aligned on a 64-bit area.

Signed-off-by: Nicolas Dichtel <[e-mail]>
---
 include/net/netlink.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Patch

diff --git a/include/net/netlink.h b/include/net/netlink.h
index 113b483b6ee8..e589cb3dccee 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -858,6 +858,19 @@  static inline int nla_put_u64(struct sk_buff *skb, int attrtype, u64 value)
 }
 
 /**
+ * nla_put_u64_64bit - Add a u64 netlink attribute to a skb and align it
+ * @skb: socket buffer to add attribute to
+ * @attrtype: attribute type
+ * @value: numeric value
+ * @padattr: attribute type for the padding
+ */
+static inline int nla_put_u64_64bit(struct sk_buff *skb, int attrtype,
+				    u64 value, int padattr)
+{
+	return nla_put_64bit(skb, attrtype, sizeof(u64), &value, padattr);
+}
+
+/**
  * nla_put_be64 - Add a __be64 netlink attribute to a socket buffer and align it
  * @skb: socket buffer to add attribute to
  * @attrtype: attribute type