EXPORT_SYMBOL_GPL(dccp_statistics);
-atomic_t dccp_orphan_count = ATOMIC_INIT(0);
-
+struct percpu_counter dccp_orphan_count;
EXPORT_SYMBOL_GPL(dccp_orphan_count);
-struct inet_hashinfo __cacheline_aligned dccp_hashinfo = {
- .lhash_lock = RW_LOCK_UNLOCKED,
- .lhash_users = ATOMIC_INIT(0),
- .lhash_wait = __WAIT_QUEUE_HEAD_INITIALIZER(dccp_hashinfo.lhash_wait),
-};
-
+struct inet_hashinfo dccp_hashinfo;
EXPORT_SYMBOL_GPL(dccp_hashinfo);
/* the maximum queue length for tx in packets. 0 is no limit */
void dccp_destroy_sock(struct sock *sk)
{
struct dccp_sock *dp = dccp_sk(sk);
- struct dccp_minisock *dmsk = dccp_msk(sk);
/*
* DCCP doesn't use sk_write_queue, just sk_send_head
kfree(dp->dccps_service_list);
dp->dccps_service_list = NULL;
- if (dmsk->dccpms_send_ack_vector) {
+ if (dp->dccps_hc_rx_ackvec != NULL) {
dccp_ackvec_free(dp->dccps_hc_rx_ackvec);
dp->dccps_hc_rx_ackvec = NULL;
}
state = sk->sk_state;
sock_hold(sk);
sock_orphan(sk);
- atomic_inc(sk->sk_prot->orphan_count);
/*
* It is the last release_sock in its life. It will remove backlog.
bh_lock_sock(sk);
WARN_ON(sock_owned_by_user(sk));
+ percpu_counter_inc(sk->sk_prot->orphan_count);
+
/* Have we already been destroyed by a softirq or backlog? */
if (state != DCCP_CLOSED && sk->sk_state == DCCP_CLOSED)
goto out;
{
unsigned long goal;
int ehash_order, bhash_order, i;
- int rc = -ENOBUFS;
+ int rc;
BUILD_BUG_ON(sizeof(struct dccp_skb_cb) >
FIELD_SIZEOF(struct sk_buff, cb));
-
+ rc = percpu_counter_init(&dccp_orphan_count, 0);
+ if (rc)
+ goto out;
+ rc = -ENOBUFS;
+ inet_hashinfo_init(&dccp_hashinfo);
dccp_hashinfo.bind_bucket_cachep =
kmem_cache_create("dccp_bind_bucket",
sizeof(struct inet_bind_bucket), 0,
SLAB_HWCACHE_ALIGN, NULL);
if (!dccp_hashinfo.bind_bucket_cachep)
- goto out;
+ goto out_free_percpu;
/*
* Size and allocate the main established and bind bucket
}
for (i = 0; i < dccp_hashinfo.ehash_size; i++) {
- INIT_HLIST_HEAD(&dccp_hashinfo.ehash[i].chain);
- INIT_HLIST_HEAD(&dccp_hashinfo.ehash[i].twchain);
+ INIT_HLIST_NULLS_HEAD(&dccp_hashinfo.ehash[i].chain, i);
+ INIT_HLIST_NULLS_HEAD(&dccp_hashinfo.ehash[i].twchain, i);
}
if (inet_ehash_locks_alloc(&dccp_hashinfo))
if (rc)
goto out_ackvec_exit;
+ rc = ccid_initialize_builtins();
+ if (rc)
+ goto out_sysctl_exit;
+
dccp_timestamping_init();
out:
return rc;
+out_sysctl_exit:
+ dccp_sysctl_exit();
out_ackvec_exit:
dccp_ackvec_exit();
out_free_dccp_mib:
out_free_bind_bucket_cachep:
kmem_cache_destroy(dccp_hashinfo.bind_bucket_cachep);
dccp_hashinfo.bind_bucket_cachep = NULL;
+out_free_percpu:
+ percpu_counter_destroy(&dccp_orphan_count);
goto out;
}
static void __exit dccp_fini(void)
{
+ ccid_cleanup_builtins();
dccp_mib_exit();
free_pages((unsigned long)dccp_hashinfo.bhash,
get_order(dccp_hashinfo.bhash_size *