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authorDavid Ahern <dsahern@gmail.com>2019-04-20 19:28:20 +0300
committerDavid S. Miller <davem@davemloft.net>2019-04-23 07:47:25 +0300
commit3c618c1dbb8859625c643121ac80af9a6723533f (patch)
tree73d4f876db16e377320ff1f5f3da8d9d67ba8dc6 /include/net/rtnh.h
parent7e5f4cdb284be5ff862f84ccda084e2847f73fbb (diff)
downloadlinux-3c618c1dbb8859625c643121ac80af9a6723533f.tar.xz
net: Rename net/nexthop.h net/rtnh.h
The header contains rtnh_ macros so rename the file accordingly. Allows a later patch to use the nexthop.h name for the new nexthop code. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/rtnh.h')
-rw-r--r--include/net/rtnh.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/net/rtnh.h b/include/net/rtnh.h
new file mode 100644
index 000000000000..aa2cfc508f7c
--- /dev/null
+++ b/include/net/rtnh.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NET_RTNH_H
+#define __NET_RTNH_H
+
+#include <linux/rtnetlink.h>
+#include <net/netlink.h>
+
+static inline int rtnh_ok(const struct rtnexthop *rtnh, int remaining)
+{
+ return remaining >= (int)sizeof(*rtnh) &&
+ rtnh->rtnh_len >= sizeof(*rtnh) &&
+ rtnh->rtnh_len <= remaining;
+}
+
+static inline struct rtnexthop *rtnh_next(const struct rtnexthop *rtnh,
+ int *remaining)
+{
+ int totlen = NLA_ALIGN(rtnh->rtnh_len);
+
+ *remaining -= totlen;
+ return (struct rtnexthop *) ((char *) rtnh + totlen);
+}
+
+static inline struct nlattr *rtnh_attrs(const struct rtnexthop *rtnh)
+{
+ return (struct nlattr *) ((char *) rtnh + NLA_ALIGN(sizeof(*rtnh)));
+}
+
+static inline int rtnh_attrlen(const struct rtnexthop *rtnh)
+{
+ return rtnh->rtnh_len - NLA_ALIGN(sizeof(*rtnh));
+}
+
+#endif