162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* Copyright (c) 2013-2018, 2021, The Linux Foundation. All rights reserved. 362306a36Sopenharmony_ci */ 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#ifndef _RMNET_MAP_H_ 662306a36Sopenharmony_ci#define _RMNET_MAP_H_ 762306a36Sopenharmony_ci#include <linux/if_rmnet.h> 862306a36Sopenharmony_ci 962306a36Sopenharmony_cistruct rmnet_map_control_command { 1062306a36Sopenharmony_ci u8 command_name; 1162306a36Sopenharmony_ci u8 cmd_type:2; 1262306a36Sopenharmony_ci u8 reserved:6; 1362306a36Sopenharmony_ci u16 reserved2; 1462306a36Sopenharmony_ci u32 transaction_id; 1562306a36Sopenharmony_ci union { 1662306a36Sopenharmony_ci struct { 1762306a36Sopenharmony_ci u16 ip_family:2; 1862306a36Sopenharmony_ci u16 reserved:14; 1962306a36Sopenharmony_ci __be16 flow_control_seq_num; 2062306a36Sopenharmony_ci __be32 qos_id; 2162306a36Sopenharmony_ci } flow_control; 2262306a36Sopenharmony_ci DECLARE_FLEX_ARRAY(u8, data); 2362306a36Sopenharmony_ci }; 2462306a36Sopenharmony_ci} __aligned(1); 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_cienum rmnet_map_commands { 2762306a36Sopenharmony_ci RMNET_MAP_COMMAND_NONE, 2862306a36Sopenharmony_ci RMNET_MAP_COMMAND_FLOW_DISABLE, 2962306a36Sopenharmony_ci RMNET_MAP_COMMAND_FLOW_ENABLE, 3062306a36Sopenharmony_ci /* These should always be the last 2 elements */ 3162306a36Sopenharmony_ci RMNET_MAP_COMMAND_UNKNOWN, 3262306a36Sopenharmony_ci RMNET_MAP_COMMAND_ENUM_LENGTH 3362306a36Sopenharmony_ci}; 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci#define RMNET_MAP_COMMAND_REQUEST 0 3662306a36Sopenharmony_ci#define RMNET_MAP_COMMAND_ACK 1 3762306a36Sopenharmony_ci#define RMNET_MAP_COMMAND_UNSUPPORTED 2 3862306a36Sopenharmony_ci#define RMNET_MAP_COMMAND_INVALID 3 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci#define RMNET_MAP_NO_PAD_BYTES 0 4162306a36Sopenharmony_ci#define RMNET_MAP_ADD_PAD_BYTES 1 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_cistruct sk_buff *rmnet_map_deaggregate(struct sk_buff *skb, 4462306a36Sopenharmony_ci struct rmnet_port *port); 4562306a36Sopenharmony_cistruct rmnet_map_header *rmnet_map_add_map_header(struct sk_buff *skb, 4662306a36Sopenharmony_ci int hdrlen, 4762306a36Sopenharmony_ci struct rmnet_port *port, 4862306a36Sopenharmony_ci int pad); 4962306a36Sopenharmony_civoid rmnet_map_command(struct sk_buff *skb, struct rmnet_port *port); 5062306a36Sopenharmony_ciint rmnet_map_checksum_downlink_packet(struct sk_buff *skb, u16 len); 5162306a36Sopenharmony_civoid rmnet_map_checksum_uplink_packet(struct sk_buff *skb, 5262306a36Sopenharmony_ci struct rmnet_port *port, 5362306a36Sopenharmony_ci struct net_device *orig_dev, 5462306a36Sopenharmony_ci int csum_type); 5562306a36Sopenharmony_ciint rmnet_map_process_next_hdr_packet(struct sk_buff *skb, u16 len); 5662306a36Sopenharmony_ciunsigned int rmnet_map_tx_aggregate(struct sk_buff *skb, struct rmnet_port *port, 5762306a36Sopenharmony_ci struct net_device *orig_dev); 5862306a36Sopenharmony_civoid rmnet_map_tx_aggregate_init(struct rmnet_port *port); 5962306a36Sopenharmony_civoid rmnet_map_tx_aggregate_exit(struct rmnet_port *port); 6062306a36Sopenharmony_civoid rmnet_map_update_ul_agg_config(struct rmnet_port *port, u32 size, 6162306a36Sopenharmony_ci u32 count, u32 time); 6262306a36Sopenharmony_ci 6362306a36Sopenharmony_ci#endif /* _RMNET_MAP_H_ */ 64