1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/rtnetlink.h>
6 #include <net/netlink.h>
8 static inline int rtnh_ok(const struct rtnexthop *rtnh, int remaining)
10 return remaining >= (int)sizeof(*rtnh) &&
11 rtnh->rtnh_len >= sizeof(*rtnh) &&
12 rtnh->rtnh_len <= remaining;
15 static inline struct rtnexthop *rtnh_next(const struct rtnexthop *rtnh,
18 int totlen = NLA_ALIGN(rtnh->rtnh_len);
21 return (struct rtnexthop *) ((char *) rtnh + totlen);
24 static inline struct nlattr *rtnh_attrs(const struct rtnexthop *rtnh)
26 return (struct nlattr *) ((char *) rtnh + NLA_ALIGN(sizeof(*rtnh)));
29 static inline int rtnh_attrlen(const struct rtnexthop *rtnh)
31 return rtnh->rtnh_len - NLA_ALIGN(sizeof(*rtnh));