diff options
| -rw-r--r-- | include/net/sctp/sctp.h | 21 | ||||
| -rw-r--r-- | include/net/sctp/structs.h | 5 | ||||
| -rw-r--r-- | net/sctp/input.c | 61 | ||||
| -rw-r--r-- | net/sctp/protocol.c | 30 | ||||
| -rw-r--r-- | net/sctp/sm_sideeffect.c | 2 | ||||
| -rw-r--r-- | net/sctp/socket.c | 6 |
6 files changed, 3 insertions, 122 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 7bbdfbab2efa..835aa2ed9870 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -126,8 +126,6 @@ int sctp_primitive_ASCONF(struct net *, struct sctp_association *, void *arg); */ int sctp_rcv(struct sk_buff *skb); void sctp_v4_err(struct sk_buff *skb, u32 info); -void sctp_hash_established(struct sctp_association *); -void sctp_unhash_established(struct sctp_association *); void sctp_hash_endpoint(struct sctp_endpoint *); void sctp_unhash_endpoint(struct sctp_endpoint *); struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *, @@ -530,25 +528,6 @@ static inline int sctp_ep_hashfn(struct net *net, __u16 lport) return (net_hash_mix(net) + lport) & (sctp_ep_hashsize - 1); } -/* This is the hash function for the association hash table. */ -static inline int sctp_assoc_hashfn(struct net *net, __u16 lport, __u16 rport) -{ - int h = (lport << 16) + rport + net_hash_mix(net); - h ^= h>>8; - return h & (sctp_assoc_hashsize - 1); -} - -/* This is the hash function for the association hash table. This is - * not used yet, but could be used as a better hash function when - * we have a vtag. - */ -static inline int sctp_vtag_hashfn(__u16 lport, __u16 rport, __u32 vtag) -{ - int h = (lport << 16) + rport; - h ^= vtag; - return h & (sctp_assoc_hashsize - 1); -} - #define sctp_for_each_hentry(epb, head) \ hlist_for_each_entry(epb, head, node) diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 4ab87d08e766..20e72129be1c 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -120,8 +120,6 @@ extern struct sctp_globals { /* This is the hash of all endpoints. */ struct sctp_hashbucket *ep_hashtable; - /* This is the hash of all associations. */ - struct sctp_hashbucket *assoc_hashtable; /* This is the sctp port control hash. */ struct sctp_bind_hashbucket *port_hashtable; /* This is the hash of all transports. */ @@ -129,7 +127,6 @@ extern struct sctp_globals { /* Sizes of above hashtables. */ int ep_hashsize; - int assoc_hashsize; int port_hashsize; /* Default initialization values to be applied to new associations. */ @@ -146,8 +143,6 @@ extern struct sctp_globals { #define sctp_address_families (sctp_globals.address_families) #define sctp_ep_hashsize (sctp_globals.ep_hashsize) #define sctp_ep_hashtable (sctp_globals.ep_hashtable) -#define sctp_assoc_hashsize (sctp_globals.assoc_hashsize) -#define sctp_assoc_hashtable (sctp_globals.assoc_hashtable) #define sctp_port_hashsize (sctp_globals.port_hashsize) #define sctp_port_hashtable (sctp_globals.port_hashtable) #define sctp_transport_hashtable (sctp_globals.transport_hashtable) diff --git a/net/sctp/input.c b/net/sctp/input.c index 6f075d835764..d9a6e66c5c8a 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -913,67 +913,6 @@ struct sctp_transport *sctp_epaddr_lookup_transport( return sctp_addrs_lookup_transport(net, &addr->a, paddr); } -/* Insert association into the hash table. */ -static void __sctp_hash_established(struct sctp_association *asoc) -{ - struct net *net = sock_net(asoc->base.sk); - struct sctp_ep_common *epb; - struct sctp_hashbucket *head; - - epb = &asoc->base; - - /* Calculate which chain this entry will belong to. */ - epb->hashent = sctp_assoc_hashfn(net, epb->bind_addr.port, - asoc->peer.port); - - head = &sctp_assoc_hashtable[epb->hashent]; - - write_lock(&head->lock); - hlist_add_head(&epb->node, &head->chain); - write_unlock(&head->lock); -} - -/* Add an association to the hash. Local BH-safe. */ -void sctp_hash_established(struct sctp_association *asoc) -{ - if (asoc->temp) - return; - - local_bh_disable(); - __sctp_hash_established(asoc); - local_bh_enable(); -} - -/* Remove association from the hash table. */ -static void __sctp_unhash_established(struct sctp_association *asoc) -{ - struct net *net = sock_net(asoc->base.sk); - struct sctp_hashbucket *head; - struct sctp_ep_common *epb; - - epb = &asoc->base; - - epb->hashent = sctp_assoc_hashfn(net, epb->bind_addr.port, - asoc->peer.port); - - head = &sctp_assoc_hashtable[epb->hashent]; - - write_lock(&head->lock); - hlist_del_init(&epb->node); - write_unlock(&head->lock); -} - -/* Remove association from the hash table. Local BH-safe. */ -void sctp_unhash_established(struct sctp_association *asoc) -{ - if (asoc->temp) - return; - - local_bh_disable(); - __sctp_unhash_established(asoc); - local_bh_enable(); -} - /* Look up an association. */ static struct sctp_association *__sctp_lookup_association( struct net *net, diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 631cfb380535..ab0d538a74ed 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -1416,24 +1416,6 @@ static __init int sctp_init(void) for (order = 0; (1UL << order) < goal; order++) ; - do { - sctp_assoc_hashsize = (1UL << order) * PAGE_SIZE / - sizeof(struct sctp_hashbucket); - if ((sctp_assoc_hashsize > (64 * 1024)) && order > 0) - continue; - sctp_assoc_hashtable = (struct sctp_hashbucket *) - __get_free_pages(GFP_KERNEL | __GFP_NOWARN, order); - } while (!sctp_assoc_hashtable && --order > 0); - if (!sctp_assoc_hashtable) { - pr_err("Failed association hash alloc\n"); - status = -ENOMEM; - goto err_ahash_alloc; - } - for (i = 0; i < sctp_assoc_hashsize; i++) { - rwlock_init(&sctp_assoc_hashtable[i].lock); - INIT_HLIST_HEAD(&sctp_assoc_hashtable[i].chain); - } - /* Allocate and initialize the endpoint hash table. */ sctp_ep_hashsize = 64; sctp_ep_hashtable = @@ -1470,8 +1452,7 @@ static __init int sctp_init(void) if (sctp_transport_hashtable_init()) goto err_thash_alloc; - pr_info("Hash tables configured (established %d bind %d)\n", - sctp_assoc_hashsize, sctp_port_hashsize); + pr_info("Hash tables configured (bind %d)\n", sctp_port_hashsize); sctp_sysctl_register(); @@ -1528,10 +1509,6 @@ err_bhash_alloc: err_thash_alloc: kfree(sctp_ep_hashtable); err_ehash_alloc: - free_pages((unsigned long)sctp_assoc_hashtable, - get_order(sctp_assoc_hashsize * - sizeof(struct sctp_hashbucket))); -err_ahash_alloc: percpu_counter_destroy(&sctp_sockets_allocated); err_percpu_counter_init: kmem_cache_destroy(sctp_chunk_cachep); @@ -1565,13 +1542,10 @@ static __exit void sctp_exit(void) sctp_sysctl_unregister(); - free_pages((unsigned long)sctp_assoc_hashtable, - get_order(sctp_assoc_hashsize * - sizeof(struct sctp_hashbucket))); - kfree(sctp_ep_hashtable); free_pages((unsigned long)sctp_port_hashtable, get_order(sctp_port_hashsize * sizeof(struct sctp_bind_hashbucket))); + kfree(sctp_ep_hashtable); sctp_transport_hashtable_destroy(); percpu_counter_destroy(&sctp_sockets_allocated); diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 05cd16400e0b..4f170ad38ff4 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -866,7 +866,6 @@ static void sctp_cmd_delete_tcb(sctp_cmd_seq_t *cmds, (!asoc->temp) && (sk->sk_shutdown != SHUTDOWN_MASK)) return; - sctp_unhash_established(asoc); sctp_association_free(asoc); } @@ -1269,7 +1268,6 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, asoc = cmd->obj.asoc; BUG_ON(asoc->peer.primary_path == NULL); sctp_endpoint_add_asoc(ep, asoc); - sctp_hash_established(asoc); break; case SCTP_CMD_UPDATE_ASSOC: diff --git a/net/sctp/socket.c b/net/sctp/socket.c index b5f4811cea82..9bb80ec4c08f 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1228,7 +1228,6 @@ out_free: * To the hash table, try to unhash it, just in case, its a noop * if it wasn't hashed so we're safe */ - sctp_unhash_established(asoc); sctp_association_free(asoc); } return err; @@ -1504,7 +1503,6 @@ static void sctp_close(struct sock *sk, long timeout) * ABORT or SHUTDOWN based on the linger options. */ if (sctp_state(asoc, CLOSED)) { - sctp_unhash_established(asoc); sctp_association_free(asoc); continue; } @@ -1986,10 +1984,8 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len) goto out_unlock; out_free: - if (new_asoc) { - sctp_unhash_established(asoc); + if (new_asoc) sctp_association_free(asoc); - } out_unlock: release_sock(sk); |