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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright (c) 2013-2018, 2021, The Linux Foundation. All rights reserved.3 */4 5#ifndef _RMNET_MAP_H_6#define _RMNET_MAP_H_7#include <linux/if_rmnet.h>8 9struct rmnet_map_control_command {10 u8 command_name;11 u8 cmd_type:2;12 u8 reserved:6;13 u16 reserved2;14 u32 transaction_id;15 union {16 struct {17 u16 ip_family:2;18 u16 reserved:14;19 __be16 flow_control_seq_num;20 __be32 qos_id;21 } flow_control;22 DECLARE_FLEX_ARRAY(u8, data);23 };24} __aligned(1);25 26enum rmnet_map_commands {27 RMNET_MAP_COMMAND_NONE,28 RMNET_MAP_COMMAND_FLOW_DISABLE,29 RMNET_MAP_COMMAND_FLOW_ENABLE,30 /* These should always be the last 2 elements */31 RMNET_MAP_COMMAND_UNKNOWN,32 RMNET_MAP_COMMAND_ENUM_LENGTH33};34 35#define RMNET_MAP_COMMAND_REQUEST 036#define RMNET_MAP_COMMAND_ACK 137#define RMNET_MAP_COMMAND_UNSUPPORTED 238#define RMNET_MAP_COMMAND_INVALID 339 40#define RMNET_MAP_NO_PAD_BYTES 041#define RMNET_MAP_ADD_PAD_BYTES 142 43struct sk_buff *rmnet_map_deaggregate(struct sk_buff *skb,44 struct rmnet_port *port);45struct rmnet_map_header *rmnet_map_add_map_header(struct sk_buff *skb,46 int hdrlen,47 struct rmnet_port *port,48 int pad);49void rmnet_map_command(struct sk_buff *skb, struct rmnet_port *port);50int rmnet_map_checksum_downlink_packet(struct sk_buff *skb, u16 len);51void rmnet_map_checksum_uplink_packet(struct sk_buff *skb,52 struct rmnet_port *port,53 struct net_device *orig_dev,54 int csum_type);55int rmnet_map_process_next_hdr_packet(struct sk_buff *skb, u16 len);56unsigned int rmnet_map_tx_aggregate(struct sk_buff *skb, struct rmnet_port *port,57 struct net_device *orig_dev);58void rmnet_map_tx_aggregate_init(struct rmnet_port *port);59void rmnet_map_tx_aggregate_exit(struct rmnet_port *port);60void rmnet_map_update_ul_agg_config(struct rmnet_port *port, u32 size,61 u32 count, u32 time);62 63#endif /* _RMNET_MAP_H_ */64