[NETLINK]: Add nla_append()

Used to append data to a message without a header or padding.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/net/netlink.h b/include/net/netlink.h
index a5e6d0ef51dd..a5506c42f03c 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -91,6 +91,7 @@
  *   nla_reserve_nohdr(skb, len)        reserve room for an attribute w/o hdr
  *   nla_put(skb, type, len, data)      add attribute to skb
  *   nla_put_nohdr(skb, len, data)      add attribute w/o hdr
+ *   nla_append(skb, len, data)         append data to skb
  *
  * Attribute Construction for Basic Types:
  *   nla_put_u8(skb, type, value)       add u8 attribute to skb
@@ -254,6 +255,8 @@ extern int		nla_put(struct sk_buff *skb, int attrtype,
                                 int attrlen, const void *data);
 extern int              nla_put_nohdr(struct sk_buff *skb, int attrlen,
                                       const void *data);
+extern int              nla_append(struct sk_buff *skb, int attrlen,
+                                   const void *data);
 
 /**************************************************************************
  * Netlink Messages