diff options
Diffstat (limited to 'net/dccp/proto.c')
| -rw-r--r-- | net/dccp/proto.c | 132 |
1 files changed, 5 insertions, 127 deletions
diff --git a/net/dccp/proto.c b/net/dccp/proto.c index abab6c10af96..ef94b0c8a0c0 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -23,9 +23,7 @@ #include <linux/random.h> #include <net/checksum.h> -#include <net/inet_common.h> #include <net/inet_sock.h> -#include <net/protocol.h> #include <net/sock.h> #include <net/xfrm.h> @@ -55,12 +53,6 @@ struct inet_hashinfo __cacheline_aligned dccp_hashinfo = { EXPORT_SYMBOL_GPL(dccp_hashinfo); -static struct net_protocol dccp_protocol = { - .handler = dccp_v4_rcv, - .err_handler = dccp_v4_err, - .no_policy = 1, -}; - const char *dccp_packet_name(const int type) { static const char *dccp_packet_names[] = { @@ -856,83 +848,6 @@ void dccp_shutdown(struct sock *sk, int how) EXPORT_SYMBOL_GPL(dccp_shutdown); -static const struct proto_ops inet_dccp_ops = { - .family = PF_INET, - .owner = THIS_MODULE, - .release = inet_release, - .bind = inet_bind, - .connect = inet_stream_connect, - .socketpair = sock_no_socketpair, - .accept = inet_accept, - .getname = inet_getname, - /* FIXME: work on tcp_poll to rename it to inet_csk_poll */ - .poll = dccp_poll, - .ioctl = inet_ioctl, - /* FIXME: work on inet_listen to rename it to sock_common_listen */ - .listen = inet_dccp_listen, - .shutdown = inet_shutdown, - .setsockopt = sock_common_setsockopt, - .getsockopt = sock_common_getsockopt, - .sendmsg = inet_sendmsg, - .recvmsg = sock_common_recvmsg, - .mmap = sock_no_mmap, - .sendpage = sock_no_sendpage, -}; - -extern struct net_proto_family inet_family_ops; - -static struct inet_protosw dccp_v4_protosw = { - .type = SOCK_DCCP, - .protocol = IPPROTO_DCCP, - .prot = &dccp_prot, - .ops = &inet_dccp_ops, - .capability = -1, - .no_check = 0, - .flags = INET_PROTOSW_ICSK, -}; - -/* - * This is the global socket data structure used for responding to - * the Out-of-the-blue (OOTB) packets. A control sock will be created - * for this socket at the initialization time. - */ -struct socket *dccp_ctl_socket; - -static char dccp_ctl_socket_err_msg[] __initdata = - KERN_ERR "DCCP: Failed to create the control socket.\n"; - -static int __init dccp_ctl_sock_init(void) -{ - int rc = sock_create_kern(PF_INET, SOCK_DCCP, IPPROTO_DCCP, - &dccp_ctl_socket); - if (rc < 0) - printk(dccp_ctl_socket_err_msg); - else { - dccp_ctl_socket->sk->sk_allocation = GFP_ATOMIC; - inet_sk(dccp_ctl_socket->sk)->uc_ttl = -1; - - /* Unhash it so that IP input processing does not even - * see it, we do not wish this socket to see incoming - * packets. - */ - dccp_ctl_socket->sk->sk_prot->unhash(dccp_ctl_socket->sk); - } - - return rc; -} - -#ifdef CONFIG_IP_DCCP_UNLOAD_HACK -void dccp_ctl_sock_exit(void) -{ - if (dccp_ctl_socket != NULL) { - sock_release(dccp_ctl_socket); - dccp_ctl_socket = NULL; - } -} - -EXPORT_SYMBOL_GPL(dccp_ctl_sock_exit); -#endif - static int __init dccp_mib_init(void) { int rc = -ENOMEM; @@ -955,7 +870,7 @@ out_free_one: } -static int dccp_mib_exit(void) +static void dccp_mib_exit(void) { free_percpu(dccp_statistics[0]); free_percpu(dccp_statistics[1]); @@ -978,18 +893,14 @@ static int __init dccp_init(void) { unsigned long goal; int ehash_order, bhash_order, i; - int rc = proto_register(&dccp_prot, 1); + int rc = -ENOBUFS; - if (rc) - goto out; - - rc = -ENOBUFS; dccp_hashinfo.bind_bucket_cachep = kmem_cache_create("dccp_bind_bucket", sizeof(struct inet_bind_bucket), 0, SLAB_HWCACHE_ALIGN, NULL, NULL); if (!dccp_hashinfo.bind_bucket_cachep) - goto out_proto_unregister; + goto out; /* * Size and allocate the main established and bind bucket @@ -1055,33 +966,18 @@ static int __init dccp_init(void) if (rc) goto out_free_dccp_bhash; - rc = -EAGAIN; - if (inet_add_protocol(&dccp_protocol, IPPROTO_DCCP)) - goto out_free_dccp_v4_mibs; - - inet_register_protosw(&dccp_v4_protosw); - rc = dccp_ackvec_init(); if (rc) - goto out_unregister_protosw; + goto out_free_dccp_mib; rc = dccp_sysctl_init(); if (rc) goto out_ackvec_exit; - - rc = dccp_ctl_sock_init(); - if (rc) - goto out_sysctl_exit; out: return rc; -out_sysctl_exit: - dccp_sysctl_exit(); out_ackvec_exit: dccp_ackvec_exit(); -out_unregister_protosw: - inet_unregister_protosw(&dccp_v4_protosw); - inet_del_protocol(&dccp_protocol, IPPROTO_DCCP); -out_free_dccp_v4_mibs: +out_free_dccp_mib: dccp_mib_exit(); out_free_dccp_bhash: free_pages((unsigned long)dccp_hashinfo.bhash, bhash_order); @@ -1092,21 +988,11 @@ out_free_dccp_ehash: out_free_bind_bucket_cachep: kmem_cache_destroy(dccp_hashinfo.bind_bucket_cachep); dccp_hashinfo.bind_bucket_cachep = NULL; -out_proto_unregister: - proto_unregister(&dccp_prot); goto out; } -static const char dccp_del_proto_err_msg[] __exitdata = - KERN_ERR "can't remove dccp net_protocol\n"; - static void __exit dccp_fini(void) { - inet_unregister_protosw(&dccp_v4_protosw); - - if (inet_del_protocol(&dccp_protocol, IPPROTO_DCCP) < 0) - printk(dccp_del_proto_err_msg); - dccp_mib_exit(); free_pages((unsigned long)dccp_hashinfo.bhash, get_order(dccp_hashinfo.bhash_size * @@ -1115,7 +1001,6 @@ static void __exit dccp_fini(void) get_order(dccp_hashinfo.ehash_size * sizeof(struct inet_ehash_bucket))); kmem_cache_destroy(dccp_hashinfo.bind_bucket_cachep); - proto_unregister(&dccp_prot); dccp_ackvec_exit(); dccp_sysctl_exit(); } @@ -1123,13 +1008,6 @@ static void __exit dccp_fini(void) module_init(dccp_init); module_exit(dccp_fini); -/* - * __stringify doesn't likes enums, so use SOCK_DCCP (6) and IPPROTO_DCCP (33) - * values directly, Also cover the case where the protocol is not specified, - * i.e. net-pf-PF_INET-proto-0-type-SOCK_DCCP - */ -MODULE_ALIAS("net-pf-" __stringify(PF_INET) "-proto-33-type-6"); -MODULE_ALIAS("net-pf-" __stringify(PF_INET) "-proto-0-type-6"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Arnaldo Carvalho de Melo <acme@conectiva.com.br>"); MODULE_DESCRIPTION("DCCP - Datagram Congestion Controlled Protocol"); |