Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 *  UDPLITEv6   An implementation of the UDP-Lite protocol over IPv6.

 *              See also net/ipv4/udplite.c

 *

 *  Version:    $Id: udplite.c,v 1.9 2006/10/19 08:28:10 gerrit Exp $

 *

 *  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"

DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6) __read_mostly;

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)

{

        return __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,

};

static int udplite_v6_get_port(struct sock *sk, unsigned short snum)

{

        return udplite_get_port(sk, snum, ipv6_rcv_saddr_equal);

}

DEFINE_PROTO_INUSE(udplitev6)

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          = udplite_v6_get_port,

        .obj_size          = sizeof(struct udp6_sock),

#ifdef CONFIG_COMPAT

        .compat_setsockopt = compat_udpv6_setsockopt,

        .compat_getsockopt = compat_udpv6_getsockopt,

#endif

        REF_PROTO_INUSE(udplitev6)

};

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,

};

void __init udplitev6_init(void)

{

        if (inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE) < 0)

                printk(KERN_ERR "%s: Could not register.\n", __FUNCTION__);

        inet6_register_protosw(&udplite6_protosw);

}

#ifdef CONFIG_PROC_FS

static struct file_operations udplite6_seq_fops;

static struct udp_seq_afinfo udplite6_seq_afinfo = {

        .owner          = THIS_MODULE,

        .name           = "udplite6",

        .family         = AF_INET6,

        .hashtable      = udplite_hash,

        .seq_show       = udp6_seq_show,

        .seq_fops       = &udplite6_seq_fops,

};

int __init udplite6_proc_init(void)

{

        return udp_proc_register(&udplite6_seq_afinfo);

}

void udplite6_proc_exit(void)

{

        udp_proc_unregister(&udplite6_seq_afinfo);

}

#endif