fib_nh_head
struct hlist_head fib_nh_head;
head = fib_nh_head(nexthop_nh->fib_nh_dev);
struct hlist_head *head = fib_nh_head(dev);
struct hlist_head *head = fib_nh_head(dev);
head = fib_nh_head(dev);
return &dev->fib_nh_head;
head = fib_nh_head(dev);