diff options
author | David Woodhouse <dwmw2@infradead.org> | 2006-09-24 22:05:59 +0100 |
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committer | David Woodhouse <dwmw2@infradead.org> | 2006-09-24 22:05:59 +0100 |
commit | 02b25fcff676125a88169c8a78d4c6dd647574ed (patch) | |
tree | 372fc8e885be41ba1819b2767c8889ecd97ff948 /include/net/nexthop.h | |
parent | 1694176a210189312e31b083bac1e1688981219a (diff) | |
parent | a68aa1cc6f3203b8a332683ebde67a00f39eec43 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/net/nexthop.h')
-rw-r--r-- | include/net/nexthop.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/net/nexthop.h b/include/net/nexthop.h new file mode 100644 index 000000000000..3334dbfa5aa4 --- /dev/null +++ b/include/net/nexthop.h @@ -0,0 +1,33 @@ +#ifndef __NET_NEXTHOP_H +#define __NET_NEXTHOP_H + +#include <linux/rtnetlink.h> +#include <net/netlink.h> + +static inline int rtnh_ok(const struct rtnexthop *rtnh, int remaining) +{ + return remaining >= 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 |