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 | |
9 | struct 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 | |
26 | enum 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 | |
43 | struct sk_buff *rmnet_map_deaggregate(struct sk_buff *skb, |
44 | struct rmnet_port *port); |
45 | struct rmnet_map_header *(struct sk_buff *skb, |
46 | int hdrlen, |
47 | struct rmnet_port *port, |
48 | int pad); |
49 | void rmnet_map_command(struct sk_buff *skb, struct rmnet_port *port); |
50 | int rmnet_map_checksum_downlink_packet(struct sk_buff *skb, u16 len); |
51 | void rmnet_map_checksum_uplink_packet(struct sk_buff *skb, |
52 | struct rmnet_port *port, |
53 | struct net_device *orig_dev, |
54 | int csum_type); |
55 | int rmnet_map_process_next_hdr_packet(struct sk_buff *skb, u16 len); |
56 | unsigned int rmnet_map_tx_aggregate(struct sk_buff *skb, struct rmnet_port *port, |
57 | struct net_device *orig_dev); |
58 | void rmnet_map_tx_aggregate_init(struct rmnet_port *port); |
59 | void rmnet_map_tx_aggregate_exit(struct rmnet_port *port); |
60 | void rmnet_map_update_ul_agg_config(struct rmnet_port *port, u32 size, |
61 | u32 count, u32 time); |
62 | |
63 | #endif /* _RMNET_MAP_H_ */ |
64 | |