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250 lines
8.0 KiB
250 lines
8.0 KiB
/*
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* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* RMNET Data configuration specification
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*/
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#ifndef _RMNET_DATA_H_
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#define _RMNET_DATA_H_
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/* ***************** Constants ********************************************** */
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#define RMNET_LOCAL_LOGICAL_ENDPOINT -1
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#define RMNET_EGRESS_FORMAT__RESERVED__ (1<<0)
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#define RMNET_EGRESS_FORMAT_MAP (1<<1)
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#define RMNET_EGRESS_FORMAT_AGGREGATION (1<<2)
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#define RMNET_EGRESS_FORMAT_MUXING (1<<3)
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#define RMNET_EGRESS_FORMAT_MAP_CKSUMV3 (1<<4)
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#define RMNET_EGRESS_FORMAT_MAP_CKSUMV4 (1<<5)
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#define RMNET_INGRESS_FIX_ETHERNET (1<<0)
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#define RMNET_INGRESS_FORMAT_MAP (1<<1)
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#define RMNET_INGRESS_FORMAT_DEAGGREGATION (1<<2)
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#define RMNET_INGRESS_FORMAT_DEMUXING (1<<3)
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#define RMNET_INGRESS_FORMAT_MAP_COMMANDS (1<<4)
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#define RMNET_INGRESS_FORMAT_MAP_CKSUMV3 (1<<5)
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#define RMNET_INGRESS_FORMAT_MAP_CKSUMV4 (1<<6)
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/* ***************** Netlink API ******************************************** */
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#define RMNET_NETLINK_PROTO 31
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#define RMNET_MAX_STR_LEN 16
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#define RMNET_NL_DATA_MAX_LEN 64
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#define RMNET_NETLINK_MSG_COMMAND 0
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#define RMNET_NETLINK_MSG_RETURNCODE 1
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#define RMNET_NETLINK_MSG_RETURNDATA 2
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struct rmnet_nl_msg_s {
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uint16_t reserved;
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uint16_t message_type;
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uint16_t reserved2:14;
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uint16_t crd:2;
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union {
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uint16_t arg_length;
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uint16_t return_code;
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};
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union {
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uint8_t data[RMNET_NL_DATA_MAX_LEN];
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struct {
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uint8_t dev[RMNET_MAX_STR_LEN];
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uint32_t flags;
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uint16_t agg_size;
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uint16_t agg_count;
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uint8_t tail_spacing;
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} data_format;
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struct {
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uint8_t dev[RMNET_MAX_STR_LEN];
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int32_t ep_id;
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uint8_t operating_mode;
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uint8_t next_dev[RMNET_MAX_STR_LEN];
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} local_ep_config;
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struct {
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uint32_t id;
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uint8_t vnd_name[RMNET_MAX_STR_LEN];
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} vnd;
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struct {
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uint32_t id;
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uint32_t map_flow_id;
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uint32_t tc_flow_id;
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} flow_control;
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};
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};
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enum rmnet_netlink_message_types_e {
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/*
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* RMNET_NETLINK_ASSOCIATE_NETWORK_DEVICE - Register RMNET data driver
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* on a particular device.
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15
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* Returns: status code
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*/
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RMNET_NETLINK_ASSOCIATE_NETWORK_DEVICE,
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/*
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* RMNET_NETLINK_UNASSOCIATE_NETWORK_DEVICE - Unregister RMNET data
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* driver on a particular
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* device.
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15
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* Returns: status code
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*/
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RMNET_NETLINK_UNASSOCIATE_NETWORK_DEVICE,
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/*
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* RMNET_NETLINK_GET_NETWORK_DEVICE_ASSOCIATED - Get if RMNET data
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* driver is registered on a
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* particular device.
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15
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* Returns: 1 if registered, 0 if not
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*/
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RMNET_NETLINK_GET_NETWORK_DEVICE_ASSOCIATED,
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/*
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* RMNET_NETLINK_SET_LINK_EGRESS_DATA_FORMAT - Sets the egress data
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* format for a particular
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* link.
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* Args: uint32_t egress_flags
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* char[] dev_name: Null terminated ASCII string, max length: 15
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* Returns: status code
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*/
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RMNET_NETLINK_SET_LINK_EGRESS_DATA_FORMAT,
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/*
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* RMNET_NETLINK_GET_LINK_EGRESS_DATA_FORMAT - Gets the egress data
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* format for a particular
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* link.
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15
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* Returns: 4-bytes data: uint32_t egress_flags
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*/
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RMNET_NETLINK_GET_LINK_EGRESS_DATA_FORMAT,
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/*
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* RMNET_NETLINK_SET_LINK_INGRESS_DATA_FORMAT - Sets the ingress data
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* format for a particular
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* link.
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* Args: uint32_t ingress_flags
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* char[] dev_name: Null terminated ASCII string, max length: 15
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* Returns: status code
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*/
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RMNET_NETLINK_SET_LINK_INGRESS_DATA_FORMAT,
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/*
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* RMNET_NETLINK_GET_LINK_INGRESS_DATA_FORMAT - Gets the ingress data
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* format for a particular
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* link.
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15
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* Returns: 4-bytes data: uint32_t ingress_flags
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*/
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RMNET_NETLINK_GET_LINK_INGRESS_DATA_FORMAT,
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/*
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* RMNET_NETLINK_SET_LOGICAL_EP_CONFIG - Sets the logical endpoint
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* configuration for a particular
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* link.
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15
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* int32_t logical_ep_id, valid values are -1 through 31
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* uint8_t rmnet_mode: one of none, vnd, bridged
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* char[] egress_dev_name: Egress device if operating in bridge mode
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* Returns: status code
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*/
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RMNET_NETLINK_SET_LOGICAL_EP_CONFIG,
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/*
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* RMNET_NETLINK_UNSET_LOGICAL_EP_CONFIG - Un-sets the logical endpoint
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* configuration for a particular
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* link.
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15
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* int32_t logical_ep_id, valid values are -1 through 31
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* Returns: status code
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*/
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RMNET_NETLINK_UNSET_LOGICAL_EP_CONFIG,
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/*
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* RMNET_NETLINK_GET_LOGICAL_EP_CONFIG - Gets the logical endpoint
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* configuration for a particular
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* link.
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15
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* int32_t logical_ep_id, valid values are -1 through 31
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* Returns: uint8_t rmnet_mode: one of none, vnd, bridged
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* char[] egress_dev_name: Egress device
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*/
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RMNET_NETLINK_GET_LOGICAL_EP_CONFIG,
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/*
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* RMNET_NETLINK_NEW_VND - Creates a new virtual network device node
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* Args: int32_t node number
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* Returns: status code
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*/
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RMNET_NETLINK_NEW_VND,
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/*
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* RMNET_NETLINK_NEW_VND_WITH_PREFIX - Creates a new virtual network
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* device node with the specified
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* prefix for the device name
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* Args: int32_t node number
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* char[] vnd_name - Use as prefix
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* Returns: status code
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*/
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RMNET_NETLINK_NEW_VND_WITH_PREFIX,
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/*
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* RMNET_NETLINK_GET_VND_NAME - Gets the string name of a VND from ID
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* Args: int32_t node number
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* Returns: char[] vnd_name
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*/
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RMNET_NETLINK_GET_VND_NAME,
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/*
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* RMNET_NETLINK_FREE_VND - Removes virtual network device node
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* Args: int32_t node number
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* Returns: status code
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*/
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RMNET_NETLINK_FREE_VND,
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/*
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* RMNET_NETLINK_ADD_VND_TC_FLOW - Add flow control handle on VND
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* Args: int32_t node number
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* uint32_t MAP Flow Handle
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* uint32_t TC Flow Handle
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* Returns: status code
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*/
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RMNET_NETLINK_ADD_VND_TC_FLOW,
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/*
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* RMNET_NETLINK_DEL_VND_TC_FLOW - Removes flow control handle on VND
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* Args: int32_t node number
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* uint32_t MAP Flow Handle
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* Returns: status code
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*/
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RMNET_NETLINK_DEL_VND_TC_FLOW
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};
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enum rmnet_config_endpoint_modes_e {
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RMNET_EPMODE_NONE,
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RMNET_EPMODE_VND,
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RMNET_EPMODE_BRIDGE,
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RMNET_EPMODE_LENGTH /* Must be the last item in the list */
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};
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enum rmnet_config_return_codes_e {
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RMNET_CONFIG_OK,
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RMNET_CONFIG_UNKNOWN_MESSAGE,
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RMNET_CONFIG_UNKNOWN_ERROR,
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RMNET_CONFIG_NOMEM,
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RMNET_CONFIG_DEVICE_IN_USE,
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RMNET_CONFIG_INVALID_REQUEST,
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RMNET_CONFIG_NO_SUCH_DEVICE,
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RMNET_CONFIG_BAD_ARGUMENTS,
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RMNET_CONFIG_BAD_EGRESS_DEVICE,
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RMNET_CONFIG_TC_HANDLE_FULL
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};
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#endif /* _RMNET_DATA_H_ */
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