netdev - [PATCH RFC 1/4] netlink: add NLA

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Message-Id: <20180207013713.2432-2-pablo@netfilter.org>
Date:   Wed,  7 Feb 2018 02:37:10 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     netdev@...r.kernel.org
Subject: [PATCH RFC 1/4] netlink: add NLA_PAD definition

The new generic netlink description infrastructure needs this new type
to describe padding attributes.

Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 include/net/netlink.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/net/netlink.h b/include/net/netlink.h
index 0c154f98e987..76e850ead593 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -180,6 +180,7 @@ enum {
 	NLA_S32,
 	NLA_S64,
 	NLA_BITFIELD32,
+	NLA_PAD,
 	__NLA_TYPE_MAX,
 };
 
@@ -209,6 +210,7 @@ enum {
  *                         given type fits, using it verifies minimum length
  *                         just like "All other"
  *    NLA_BITFIELD32      A 32-bit bitmap/bitselector attribute
+ *    NLA_PAD		   Empty attribute to align next attribute to 64-bits
  *    All other            Minimum length of attribute payload
  *
  * Example:
-- 
2.11.0