dst_alloc
void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
EXPORT_SYMBOL(dst_alloc);
rt = dst_alloc(&ipv4_dst_ops, dev, DST_OBSOLETE_FORCE_CHK,
new_rt = dst_alloc(&ipv4_dst_ops, dev, DST_OBSOLETE_FORCE_CHK,
rt = dst_alloc(&ipv4_dst_blackhole_ops, NULL, DST_OBSOLETE_DEAD, 0);
rt = dst_alloc(&ip6_dst_blackhole_ops, loopback_dev,
struct rt6_info *rt = dst_alloc(&net->ipv6.ip6_dst_ops, dev,
xdst = dst_alloc(dst_ops, NULL, DST_OBSOLETE_NONE, 0);