64 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-only */
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| /* Copyright (c) 2013-2018, 2021, The Linux Foundation. All rights reserved.
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|  */
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| 
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| #ifndef _RMNET_MAP_H_
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| #define _RMNET_MAP_H_
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| #include <linux/if_rmnet.h>
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| 
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| struct rmnet_map_control_command {
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| 	u8  command_name;
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| 	u8  cmd_type:2;
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| 	u8  reserved:6;
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| 	u16 reserved2;
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| 	u32 transaction_id;
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| 	union {
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| 		struct {
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| 			u16 ip_family:2;
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| 			u16 reserved:14;
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| 			__be16 flow_control_seq_num;
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| 			__be32 qos_id;
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| 		} flow_control;
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| 		DECLARE_FLEX_ARRAY(u8, data);
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| 	};
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| }  __aligned(1);
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| 
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| enum rmnet_map_commands {
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| 	RMNET_MAP_COMMAND_NONE,
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| 	RMNET_MAP_COMMAND_FLOW_DISABLE,
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| 	RMNET_MAP_COMMAND_FLOW_ENABLE,
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| 	/* These should always be the last 2 elements */
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| 	RMNET_MAP_COMMAND_UNKNOWN,
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| 	RMNET_MAP_COMMAND_ENUM_LENGTH
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| };
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| 
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| #define RMNET_MAP_COMMAND_REQUEST     0
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| #define RMNET_MAP_COMMAND_ACK         1
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| #define RMNET_MAP_COMMAND_UNSUPPORTED 2
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| #define RMNET_MAP_COMMAND_INVALID     3
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| 
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| #define RMNET_MAP_NO_PAD_BYTES        0
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| #define RMNET_MAP_ADD_PAD_BYTES       1
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| 
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| struct sk_buff *rmnet_map_deaggregate(struct sk_buff *skb,
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| 				      struct rmnet_port *port);
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| struct rmnet_map_header *rmnet_map_add_map_header(struct sk_buff *skb,
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| 						  int hdrlen,
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| 						  struct rmnet_port *port,
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| 						  int pad);
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| void rmnet_map_command(struct sk_buff *skb, struct rmnet_port *port);
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| int rmnet_map_checksum_downlink_packet(struct sk_buff *skb, u16 len);
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| void rmnet_map_checksum_uplink_packet(struct sk_buff *skb,
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| 				      struct rmnet_port *port,
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| 				      struct net_device *orig_dev,
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| 				      int csum_type);
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| int rmnet_map_process_next_hdr_packet(struct sk_buff *skb, u16 len);
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| unsigned int rmnet_map_tx_aggregate(struct sk_buff *skb, struct rmnet_port *port,
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| 				    struct net_device *orig_dev);
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| void rmnet_map_tx_aggregate_init(struct rmnet_port *port);
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| void rmnet_map_tx_aggregate_exit(struct rmnet_port *port);
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| void rmnet_map_update_ul_agg_config(struct rmnet_port *port, u32 size,
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| 				    u32 count, u32 time);
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| 
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| #endif /* _RMNET_MAP_H_ */
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