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_LENGTH 33}; 34 35#define RMNET_MAP_COMMAND_REQUEST 0 36#define RMNET_MAP_COMMAND_ACK 1 37#define RMNET_MAP_COMMAND_UNSUPPORTED 2 38#define RMNET_MAP_COMMAND_INVALID 3 39 40#define RMNET_MAP_NO_PAD_BYTES 0 41#define RMNET_MAP_ADD_PAD_BYTES 1 42 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