static void test_bucket_stats(struct rhashtable *ht, unsigned int entries)
{
unsigned int total = 0, chain_len = 0;
struct rhashtable_iter hti;
struct rhash_head *pos;
rhashtable_walk_enter(ht, &hti);
rhashtable_walk_start(&hti);
while ((pos = rhashtable_walk_next(&hti))) {
if (PTR_ERR(pos) == -EAGAIN) {
pr_info("Info: encountered resize\n");
chain_len++;
continue;
} else if (IS_ERR(pos)) {
pr_warn("Test failed: rhashtable_walk_next() error: %ld\n",
PTR_ERR(pos));
break;
}
total++;
}
rhashtable_walk_stop(&hti);
rhashtable_walk_exit(&hti);
pr_info(" Traversal complete: counted=%u, nelems=%u, entries=%d, table-jumps=%u\n",
total, atomic_read(&ht->nelems), entries, chain_len);
if (total != atomic_read(&ht->nelems) || total != entries)
pr_warn("Test failed: Total count mismatch ^^^");
}
static int seg6_genl_dumphmac_start(struct netlink_callback *cb)
{
struct net *net = sock_net(cb->skb->sk);
struct seg6_pernet_data *sdata;
struct rhashtable_iter *iter;
sdata = seg6_pernet(net);
iter = (struct rhashtable_iter *)cb->args[0];
if (!iter) {
iter = kmalloc(sizeof(*iter), GFP_KERNEL);
if (!iter)
return -ENOMEM;
cb->args[0] = (long)iter;
}
rhashtable_walk_enter(&sdata->hmac_infos, iter);
return 0;
}
