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sctp: apply rhashtable api to send/recv path

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apply lookup apis to two functions, for __sctp_endpoint_lookup_assoc
and __sctp_lookup_association, it's invoked in the protection of sock
lock, it will be safe, but sctp_lookup_association need to call
rcu_read_lock() and to detect the t->dead to protect it.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2015-12-30 23:50:47 +08:00 • committed by David S. Miller
parent d6c0256a60
commit 4f00878126
4 changed files with 29 additions and 56 deletions
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6
net/sctp/protocol.c
View file

@ -1467,6 +1467,9 @@ static __init int sctp_init(void)
INIT_HLIST_HEAD(&sctp_port_hashtable[i].chain);
}
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);
@ -1521,6 +1524,8 @@ err_register_defaults:
get_order(sctp_port_hashsize *
sizeof(struct sctp_bind_hashbucket)));
err_bhash_alloc:
sctp_transport_hashtable_destroy();
err_thash_alloc:
kfree(sctp_ep_hashtable);
err_ehash_alloc:
free_pages((unsigned long)sctp_assoc_hashtable,
@ -1567,6 +1572,7 @@ static __exit void sctp_exit(void)
free_pages((unsigned long)sctp_port_hashtable,
get_order(sctp_port_hashsize *
sizeof(struct sctp_bind_hashbucket)));
sctp_transport_hashtable_destroy();
percpu_counter_destroy(&sctp_sockets_allocated);