~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/net/ipv6/udplite.c

Version: ~ [ linux-5.6 ] ~ [ linux-5.5.13 ] ~ [ linux-5.4.28 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.113 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.174 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.217 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.217 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.82 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  *  UDPLITEv6   An implementation of the UDP-Lite protocol over IPv6.
  3  *              See also net/ipv4/udplite.c
  4  *
  5  *  Authors:    Gerrit Renker       <gerrit@erg.abdn.ac.uk>
  6  *
  7  *  Changes:
  8  *  Fixes:
  9  *              This program is free software; you can redistribute it and/or
 10  *              modify it under the terms of the GNU General Public License
 11  *              as published by the Free Software Foundation; either version
 12  *              2 of the License, or (at your option) any later version.
 13  */
 14 #include <linux/export.h>
 15 #include "udp_impl.h"
 16 
 17 static int udplitev6_rcv(struct sk_buff *skb)
 18 {
 19         return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE);
 20 }
 21 
 22 static void udplitev6_err(struct sk_buff *skb,
 23                           struct inet6_skb_parm *opt,
 24                           u8 type, u8 code, int offset, __be32 info)
 25 {
 26         __udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table);
 27 }
 28 
 29 static const struct inet6_protocol udplitev6_protocol = {
 30         .handler        =       udplitev6_rcv,
 31         .err_handler    =       udplitev6_err,
 32         .flags          =       INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
 33 };
 34 
 35 struct proto udplitev6_prot = {
 36         .name              = "UDPLITEv6",
 37         .owner             = THIS_MODULE,
 38         .close             = udp_lib_close,
 39         .connect           = ip6_datagram_connect,
 40         .disconnect        = udp_disconnect,
 41         .ioctl             = udp_ioctl,
 42         .init              = udplite_sk_init,
 43         .destroy           = udpv6_destroy_sock,
 44         .setsockopt        = udpv6_setsockopt,
 45         .getsockopt        = udpv6_getsockopt,
 46         .sendmsg           = udpv6_sendmsg,
 47         .recvmsg           = udpv6_recvmsg,
 48         .backlog_rcv       = udpv6_queue_rcv_skb,
 49         .hash              = udp_lib_hash,
 50         .unhash            = udp_lib_unhash,
 51         .get_port          = udp_v6_get_port,
 52         .obj_size          = sizeof(struct udp6_sock),
 53         .slab_flags        = SLAB_DESTROY_BY_RCU,
 54         .h.udp_table       = &udplite_table,
 55 #ifdef CONFIG_COMPAT
 56         .compat_setsockopt = compat_udpv6_setsockopt,
 57         .compat_getsockopt = compat_udpv6_getsockopt,
 58 #endif
 59         .clear_sk          = udp_v6_clear_sk,
 60 };
 61 
 62 static struct inet_protosw udplite6_protosw = {
 63         .type           = SOCK_DGRAM,
 64         .protocol       = IPPROTO_UDPLITE,
 65         .prot           = &udplitev6_prot,
 66         .ops            = &inet6_dgram_ops,
 67         .no_check       = 0,
 68         .flags          = INET_PROTOSW_PERMANENT,
 69 };
 70 
 71 int __init udplitev6_init(void)
 72 {
 73         int ret;
 74 
 75         ret = inet6_add_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
 76         if (ret)
 77                 goto out;
 78 
 79         ret = inet6_register_protosw(&udplite6_protosw);
 80         if (ret)
 81                 goto out_udplitev6_protocol;
 82 out:
 83         return ret;
 84 
 85 out_udplitev6_protocol:
 86         inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
 87         goto out;
 88 }
 89 
 90 void udplitev6_exit(void)
 91 {
 92         inet6_unregister_protosw(&udplite6_protosw);
 93         inet6_del_protocol(&udplitev6_protocol, IPPROTO_UDPLITE);
 94 }
 95 
 96 #ifdef CONFIG_PROC_FS
 97 
 98 static const struct file_operations udplite6_afinfo_seq_fops = {
 99         .owner    = THIS_MODULE,
100         .open     = udp_seq_open,
101         .read     = seq_read,
102         .llseek   = seq_lseek,
103         .release  = seq_release_net
104 };
105 
106 static struct udp_seq_afinfo udplite6_seq_afinfo = {
107         .name           = "udplite6",
108         .family         = AF_INET6,
109         .udp_table      = &udplite_table,
110         .seq_fops       = &udplite6_afinfo_seq_fops,
111         .seq_ops        = {
112                 .show           = udp6_seq_show,
113         },
114 };
115 
116 static int __net_init udplite6_proc_init_net(struct net *net)
117 {
118         return udp_proc_register(net, &udplite6_seq_afinfo);
119 }
120 
121 static void __net_exit udplite6_proc_exit_net(struct net *net)
122 {
123         udp_proc_unregister(net, &udplite6_seq_afinfo);
124 }
125 
126 static struct pernet_operations udplite6_net_ops = {
127         .init = udplite6_proc_init_net,
128         .exit = udplite6_proc_exit_net,
129 };
130 
131 int __init udplite6_proc_init(void)
132 {
133         return register_pernet_subsys(&udplite6_net_ops);
134 }
135 
136 void udplite6_proc_exit(void)
137 {
138         unregister_pernet_subsys(&udplite6_net_ops);
139 }
140 #endif
141 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp