const struct fib_rt_info *fri, unsigned int flags);
void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len,
u32 tb_id, const struct nl_info *info, unsigned int nlm_flags);
+size_t fib_nlmsg_size(struct fib_info *fi);
static inline void fib_result_assign(struct fib_result *res,
struct fib_info *fi)