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