[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/net/ipv4/udplite.c b/ap/os/linux/linux-3.4.x/net/ipv4/udplite.c
new file mode 100644
index 0000000..2c46acd
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/net/ipv4/udplite.c
@@ -0,0 +1,142 @@
+/*
+ * UDPLITE An implementation of the UDP-Lite protocol (RFC 3828).
+ *
+ * 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.
+ */
+
+#define pr_fmt(fmt) "UDPLite: " fmt
+
+#include <linux/export.h>
+#include "udp_impl.h"
+
+struct udp_table udplite_table __read_mostly;
+EXPORT_SYMBOL(udplite_table);
+
+static int udplite_rcv(struct sk_buff *skb)
+{
+ return __udp4_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE);
+}
+
+static void udplite_err(struct sk_buff *skb, u32 info)
+{
+ __udp4_lib_err(skb, info, &udplite_table);
+}
+
+static const struct net_protocol udplite_protocol = {
+ .handler = udplite_rcv,
+ .err_handler = udplite_err,
+ .no_policy = 1,
+ .netns_ok = 1,
+};
+
+struct proto udplite_prot = {
+ .name = "UDP-Lite",
+ .owner = THIS_MODULE,
+ .close = udp_lib_close,
+ .connect = ip4_datagram_connect,
+ .disconnect = udp_disconnect,
+ .ioctl = udp_ioctl,
+ .init = udplite_sk_init,
+ .destroy = udp_destroy_sock,
+ .setsockopt = udp_setsockopt,
+ .getsockopt = udp_getsockopt,
+ .sendmsg = udp_sendmsg,
+ .recvmsg = udp_recvmsg,
+ .sendpage = udp_sendpage,
+ .backlog_rcv = udp_queue_rcv_skb,
+ .hash = udp_lib_hash,
+ .unhash = udp_lib_unhash,
+ .get_port = udp_v4_get_port,
+ .obj_size = sizeof(struct udp_sock),
+ .slab_flags = SLAB_DESTROY_BY_RCU,
+ .h.udp_table = &udplite_table,
+#ifdef CONFIG_COMPAT
+ .compat_setsockopt = compat_udp_setsockopt,
+ .compat_getsockopt = compat_udp_getsockopt,
+#endif
+ .clear_sk = sk_prot_clear_portaddr_nulls,
+};
+EXPORT_SYMBOL(udplite_prot);
+
+static struct inet_protosw udplite4_protosw = {
+ .type = SOCK_DGRAM,
+ .protocol = IPPROTO_UDPLITE,
+ .prot = &udplite_prot,
+ .ops = &inet_dgram_ops,
+ .no_check = 0, /* must checksum (RFC 3828) */
+ .flags = INET_PROTOSW_PERMANENT,
+};
+
+#ifdef CONFIG_PROC_FS
+
+static const struct file_operations udplite_afinfo_seq_fops = {
+ .owner = THIS_MODULE,
+ .open = udp_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release_net
+};
+
+static struct udp_seq_afinfo udplite4_seq_afinfo = {
+ .name = "udplite",
+ .family = AF_INET,
+ .udp_table = &udplite_table,
+ .seq_fops = &udplite_afinfo_seq_fops,
+ .seq_ops = {
+ .show = udp4_seq_show,
+ },
+};
+
+static int __net_init udplite4_proc_init_net(struct net *net)
+{
+ return udp_proc_register(net, &udplite4_seq_afinfo);
+}
+
+static void __net_exit udplite4_proc_exit_net(struct net *net)
+{
+ udp_proc_unregister(net, &udplite4_seq_afinfo);
+}
+
+static struct pernet_operations udplite4_net_ops = {
+ .init = udplite4_proc_init_net,
+ .exit = udplite4_proc_exit_net,
+};
+
+static __init int udplite4_proc_init(void)
+{
+ return register_pernet_subsys(&udplite4_net_ops);
+}
+#else
+static inline int udplite4_proc_init(void)
+{
+ return 0;
+}
+#endif
+
+void __init udplite4_register(void)
+{
+ udp_table_init(&udplite_table, "UDP-Lite");
+ if (proto_register(&udplite_prot, 1))
+ goto out_register_err;
+
+ if (inet_add_protocol(&udplite_protocol, IPPROTO_UDPLITE) < 0)
+ goto out_unregister_proto;
+
+ inet_register_protosw(&udplite4_protosw);
+
+ if (udplite4_proc_init())
+ pr_err("%s: Cannot register /proc!\n", __func__);
+ return;
+
+out_unregister_proto:
+ proto_unregister(&udplite_prot);
+out_register_err:
+ pr_crit("%s: Cannot add UDP-Lite protocol\n", __func__);
+}