318 lines
11 KiB
C
318 lines
11 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/***************************************************************************
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nas_proto_extern.h - description
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-------------------
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copyright : (C) 2002 by Eurecom
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email : navid.nikaein@eurecom.fr
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lionel.gauthier@eurecom.fr
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knopp@eurecom.fr
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***************************************************************************/
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#ifndef __NETWORK_DRIVER_MESH_PROTO_EXTERN__H__
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#define __NETWORK_DRIVER_MESH_PROTO_EXTERN__H__
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#include <linux/if_arp.h>
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#include <linux/types.h>
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#include <linux/spinlock.h>
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#include <linux/netdevice.h>
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#include <linux/skbuff.h>
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#include <linux/ipv6.h>
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#include <linux/ip.h>
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#include <linux/sysctl.h>
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#include <linux/timer.h>
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#include <asm/param.h>
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//#include <sys/sysctl.h>
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#include <linux/udp.h>
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#include <linux/tcp.h>
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#include <linux/icmp.h>
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#include <linux/icmpv6.h>
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#include <linux/in.h>
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#include <net/ndisc.h>
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//#include "rrc_nas_primitives.h"
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//#include "protocol_vars_extern.h"
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//#include "as_sap.h"
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//#include "rrc_qos.h"
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//#include "rrc_sap.h"
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#include "local.h"
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// device.c
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/** @defgroup _nas_mesh_impl_ NAS Mesh Network Device
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* @ingroup _ref_implementation_
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* @{
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\fn int find_inst(struct net_device *dev)
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\brief This function determines the instance id for a particular device pointer.
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@param dev Pointer to net_device structure
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*/
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int find_inst(struct net_device *dev);
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// nas_common.c
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/**
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\fn void nas_COMMON_receive(unsigned short dlen, void* pdcp_sdu,int inst,struct classifier_entity *rclass,nasRadioBearerId_t rb_id)
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\brief Receive data from FIFO (QOS)
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@param dlen Length of SDU in bytes
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@param pdcp_sdu Pointer to received SDU
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@param inst Instance number
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@param rclass RX Classifier entity
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@param rb_id Radio Bearer Id
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*/
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void nas_COMMON_receive(unsigned short dlen,
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void *pdcp_sdu,
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int inst,
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struct classifier_entity *rclass,
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nasRadioBearerId_t rb_id);
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/**
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\fn void nas_COMMON_QOS_send(struct sk_buff *skb, struct cx_entity *cx, struct classifier_entity *gc,int inst)
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\brief Request the transfer of data (QoS SAP)
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@param skb pointer to socket buffer
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@param cx pointer to connection entity for SDU
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@param gc pointer to classifier entity for SDU
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@param inst device instance
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*/
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void nas_COMMON_QOS_send(struct sk_buff *skb,
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struct cx_entity *cx,
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struct classifier_entity *gc,int inst, struct nas_priv *gpriv);
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/**
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\fn void nas_COMMON_del_send(struct sk_buff *skb, struct cx_entity *cx, struct classifier_entity *gc,int inst)
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\brief Delete the data
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@param skb pointer to socket buffer
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@param cx pointer to connection entity for SDU
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@param gc pointer to classifier entity for SDU
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@param inst device instance
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*/
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void nas_COMMON_del_send(struct sk_buff *skb,
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struct cx_entity *cx,
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struct classifier_entity *gc,int inst, struct nas_priv *gpriv);
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#ifndef PDCP_USE_NETLINK
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/**
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\fn void nas_COMMON_QOS_receive()
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\brief Retrieve PDU from PDCP for connection
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*/
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void nas_COMMON_QOS_receive(void);
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#endif //PDCP_USE_NETLINK
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/**
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\fn struct rb_entity *nas_COMMON_add_rb(struct cx_entity *cx, nasRadioBearerId_t rabi, nasQoSTrafficClass_t qos)
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\brief Add a radio-bearer descriptor
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@param cx pointer to connection entity
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@param rabi radio-bearer index
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@param qos NAS QOS traffic class
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*/
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struct rb_entity *nas_COMMON_add_rb(
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struct cx_entity *cx, nasRadioBearerId_t rabi,
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nasQoSTrafficClass_t qos);
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/**
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\fn struct rb_entity *nas_COMMON_search_rb(struct cx_entity *cx, nasRadioBearerId_t rabi)
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\brief Search for a radio-bearer entity for a particular connection and radio-bearer index
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@param cx pointer to connection entity
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@param rabi radio-bearer index
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@returns A pointer to the radio-bearer entity
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*/
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struct rb_entity *nas_COMMON_search_rb(
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struct cx_entity *cx, nasRadioBearerId_t rabi);
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/**
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\fn struct cx_entity *nas_COMMON_search_cx(nasLocalConnectionRef_t lcr,struct nas_priv *gpriv)
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\brief Search for a connection entity based on its index and pointer to nas_priv
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@param lcr index of local connection
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@param gpriv pointer to nas_priv for device
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@returns A pointer to the connection entity
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*/
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struct cx_entity *nas_COMMON_search_cx(
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nasLocalConnectionRef_t lcr,
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struct nas_priv *gpriv);
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/**
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\fn struct classifier_entity *nas_COMMON_search_class_for_rb(nasRadioBearerId_t rab_id,struct nas_priv *priv)
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\brief Search for an RX classifier entity based on a RB id and pointer to nas_priv
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@param rab_id Index of RAB for search
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@param priv pointer to nas_priv for device
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@returns A pointer to the corresponding RX classifier entity
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*/
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struct classifier_entity
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*nas_COMMON_search_class_for_rb(nasRadioBearerId_t
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rab_id,struct nas_priv *priv);
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/**
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\fn void nas_COMMON_flush_rb(struct cx_entity *cx)
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\brief Clear all RB's for a particular connection
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@param cx pointer to connection entity
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*/
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void nas_COMMON_flush_rb(struct cx_entity *cx);
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#ifdef PDCP_USE_NETLINK
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/**
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\fn int nas_netlink_send(unsigned char *data,unsigned int len)
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\brief Request the transfer of data by PDCP via netlink socket
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@param data pointer to SDU
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@param len length of SDU in bytes
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@returns Numeber of bytes transfered by netlink socket
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*/
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int nas_netlink_send(unsigned char *data,unsigned int len);
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/**
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\fn void nas_COMMON_QOS_receive(struct nlmsghdr *nlh)
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\brief Request a PDU from PDCP
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@param nlh pointer to netlink message header
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*/
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void nas_COMMON_QOS_receive(struct nlmsghdr *nlh);
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#endif //PDCP_USE_NETLINK
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//nasmesh.c
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/**
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\brief Initialize an interface for a particular instance ID.
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*/
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void nas_mesh_init(int inst //!< Instance ID
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);
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int nas_mesh_DC_receive(struct cx_entity *cx,struct nas_priv *gpriv);
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int nas_mesh_GC_receive(struct nas_priv *gpriv);
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int nas_mesh_DC_send_cx_establish_request(struct cx_entity *cx,struct nas_priv *gpriv);
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int nas_mesh_DC_send_cx_release_request(struct cx_entity *cx,struct nas_priv *gpriv);
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void nas_mesh_DC_send_sig_data_request(struct sk_buff *skb, struct cx_entity *cx, struct classifier_entity *gc,int inst, struct nas_priv *gpriv);
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// iocontrol.c
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void nas_CTL_send(struct sk_buff *skb,
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struct cx_entity *cx,
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struct classifier_entity *gc,int inst, struct nas_priv *gpriv);
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//int nas_CTL_receive_authentication(struct ipv6hdr *iph, struct cx-entity *cx, unsigned char sapi);
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int nas_CTL_ioctl(struct net_device *dev,
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struct ifreq *ifr, int cmd);
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// classifier.c
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/**
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\brief Send a socket received from IP to classifier for a particular instance ID.
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*/
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void nas_CLASS_send(struct sk_buff *skb, //!< Pointer to socket buffer
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int inst //!< Instance ID
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);
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/**
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\brief
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*/
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struct classifier_entity *nas_CLASS_add_sclassifier(struct cx_entity *cx, unsigned char dscp, unsigned short classref);
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/**
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\brief Send a socket received from IP to classifier for a particular instance ID.
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*/
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struct classifier_entity
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*nas_CLASS_add_fclassifier(struct cx_entity *cx,
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unsigned char dscp,
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unsigned short classref
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);
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/**
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\brief Send a socket received from IP to classifier for a particular instance ID.
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*/
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struct classifier_entity
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*nas_CLASS_add_rclassifier(unsigned char dscp,
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unsigned short classref,
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struct nas_priv*
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);
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/**
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\brief
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*/
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void nas_CLASS_del_sclassifier(struct cx_entity *cx,
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unsigned char dscp,
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unsigned short classref
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);
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/**
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\brief
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*/
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void nas_CLASS_del_fclassifier(struct cx_entity *cx,
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unsigned char dscp,
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unsigned short classref
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);
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/**
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\brief
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*/
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void nas_CLASS_del_rclassifier(unsigned char dscp,
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unsigned short classref,
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struct nas_priv*
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);
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/**
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\brief
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*/
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void nas_CLASS_flush_sclassifier(struct cx_entity *cx
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);
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/**
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\brief
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*/
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void nas_CLASS_flush_fclassifier(struct cx_entity *cx
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);
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/**
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\brief
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*/
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void nas_CLASS_flush_rclassifier(struct nas_priv *gpriv
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);
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// nas_tool.c
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unsigned char nas_TOOL_invfct(struct classifier_entity *gc);
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void nas_TOOL_fct(struct classifier_entity *gc, unsigned char fct);
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void nas_TOOL_imei2iid(unsigned char *imei, unsigned char *iid);
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unsigned char nas_TOOL_get_dscp6(struct ipv6hdr *iph);
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unsigned char nas_TOOL_get_dscp4(struct iphdr *iph);
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unsigned char *nas_TOOL_get_protocol6(struct ipv6hdr *iph, unsigned char *protocol);
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unsigned char *nas_TOOL_get_protocol4(struct iphdr *iph, unsigned char *protocol);
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char *nas_TOOL_get_udpmsg(struct udphdr *udph);
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unsigned short nas_TOOL_udpcksum(struct in6_addr *saddr, struct in6_addr *daddr, unsigned char proto, unsigned int udplen, void *data);
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int nas_TOOL_network6(struct in6_addr *addr, struct in6_addr *prefix, unsigned char plen);
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int nas_TOOL_network4(unsigned int *addr, unsigned int *prefix, unsigned char plen);
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void print_TOOL_pk_icmp6(struct icmp6hdr *icmph);
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void print_TOOL_pk_all(struct sk_buff *skb);
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void print_TOOL_pk_ipv6(struct ipv6hdr *iph);
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void print_TOOL_state(unsigned char state);
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void nas_tool_print_buffer(char * buffer,int length);
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void nas_print_rb_entity(struct rb_entity *rb);
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void nas_print_classifier(struct classifier_entity *gc);
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#ifdef PDCP_USE_NETLINK
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// nas_netlink.c
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void nas_netlink_release(void);
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int nas_netlink_init(void);
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#endif
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/** @} */
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#endif
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