root/net/ipv6/udplite.c

DEFINITIONS

1. udplitev6_rcv
2. udplitev6_err
3. udplitev6_init
4. udplitev6_exit
5. udplite6_proc_init_net
6. udplite6_proc_exit_net
7. udplite6_proc_init
8. udplite6_proc_exit

/*
 *  UDPLITEv6   An implementation of the UDP-Lite protocol over IPv6.
 *              See also net/ipv4/udplite.c
 *
 *  Authors:    Gerrit Renker       <gerrit@erg.abdn.ac.uk>
 *
 *  Changes:
 *  Fixes:
 *              This program is free software; you can redistribute it and/or
 *              modify it under the terms of the GNU General Public License
 *              as published by the Free Software Foundation; either version
 *              2 of the License, or (at your option) any later version.
 */
#include "udp_impl.h"

static int udplitev6_rcv(struct sk_buff *skb)
{
        return __udp6_lib_rcv(skb, udplite_hash, IPPROTO_UDPLITE);
}

static void udplitev6_err(struct sk_buff *skb,
                          struct inet6_skb_parm *opt,
                          int type, int code, int offset, __be32 info)
{
        __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash);
}

static struct inet6_protocol udplitev6_protocol = {
        .handler        =       udplitev6_rcv,
        .err_handler    =       udplitev6_err,
        .flags          =       INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
};

struct proto udplitev6_prot = {
        .name              = "UDPLITEv6",
        .owner             = THIS_MODULE,
        .close             = udp_lib_close,
        .connect           = ip6_datagram_connect,
        .disconnect        = udp_disconnect,
        .ioctl             = udp_ioctl,
        .init              = udplite_sk_init,
        .destroy           = udpv6_destroy_sock,
        .setsockopt        = udpv6_setsockopt,
        .getsockopt        = udpv6_getsockopt,
        .sendmsg           = udpv6_sendmsg,
        .recvmsg           = udpv6_recvmsg,
        .backlog_rcv       = udpv6_queue_rcv_skb,
        .hash              = udp_lib_hash,
        .unhash            = udp_lib_unhash,
        .get_port          = udp_v6_get_port,
        .obj_size          = sizeof(struct udp6_sock),
        .h.udp_hash        = udplite_hash,
#ifdef CONFIG_COMPAT
        .compat_setsockopt = compat_udpv6_setsockopt,
        .compat_getsockopt = compat_udpv6_getsockopt,
#endif
};

static struct inet_protosw udplite6_protosw = {
        .type           = SOCK_DGRAM,
        .protocol       = IPPROTO_UDPLITE,
        .prot           = &udplitev6_prot,
        .ops            = &inet6_dgram_ops,
        .capability     = -1,
        .no_check       = 0,
        .flags          = INET_PROTOSW_PERMANENT,
};

int __init udplitev6_init(void)
{
        int ret;

        ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
        if (ret)
                goto out;

        ret = inet6_register_protosw(&udplite6_protosw);
        if (ret)
                goto out_udplitev6_protocol;
out:
        return ret;

out_udplitev6_protocol:
        inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
        goto out;
}

void udplitev6_exit(void)
{
        inet6_unregister_protosw(&udplite6_protosw);
        inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
}

#ifdef CONFIG_PROC_FS
static struct udp_seq_afinfo udplite6_seq_afinfo = {
        .name           = "udplite6",
        .family         = AF_INET6,
        .hashtable      = udplite_hash,
        .seq_fops       = {
                .owner  =       THIS_MODULE,
        },
        .seq_ops        = {
                .show           = udp6_seq_show,
        },
};

static int udplite6_proc_init_net(struct net *net)
{
        return udp_proc_register(net, &udplite6_seq_afinfo);
}

static void udplite6_proc_exit_net(struct net *net)
{
        udp_proc_unregister(net, &udplite6_seq_afinfo);
}

static struct pernet_operations udplite6_net_ops = {
        .init = udplite6_proc_init_net,
        .exit = udplite6_proc_exit_net,
};

int __init udplite6_proc_init(void)
{
        return register_pernet_subsys(&udplite6_net_ops);
}

void udplite6_proc_exit(void)
{
        unregister_pernet_subsys(&udplite6_net_ops);
}
#endif