1 /* SPDX-License-Identifier: GPL-2.0-only
2  * Copyright (c) 2013-2019, The Linux Foundation. All rights reserved.
3  */
4 
5 #ifndef _LINUX_IF_RMNET_H_
6 #define _LINUX_IF_RMNET_H_
7 
8 struct rmnet_map_header {
9 #if defined(__LITTLE_ENDIAN_BITFIELD)
10 	u8  pad_len:6;
11 	u8  reserved_bit:1;
12 	u8  cd_bit:1;
13 #elif defined (__BIG_ENDIAN_BITFIELD)
14 	u8  cd_bit:1;
15 	u8  reserved_bit:1;
16 	u8  pad_len:6;
17 #else
18 #error	"Please fix <asm/byteorder.h>"
19 #endif
20 	u8  mux_id;
21 	__be16 pkt_len;
22 }  __aligned(1);
23 
24 struct rmnet_map_dl_csum_trailer {
25 	u8  reserved1;
26 #if defined(__LITTLE_ENDIAN_BITFIELD)
27 	u8  valid:1;
28 	u8  reserved2:7;
29 #elif defined (__BIG_ENDIAN_BITFIELD)
30 	u8  reserved2:7;
31 	u8  valid:1;
32 #else
33 #error	"Please fix <asm/byteorder.h>"
34 #endif
35 	u16 csum_start_offset;
36 	u16 csum_length;
37 	__be16 csum_value;
38 } __aligned(1);
39 
40 struct rmnet_map_ul_csum_header {
41 	__be16 csum_start_offset;
42 #if defined(__LITTLE_ENDIAN_BITFIELD)
43 	u16 csum_insert_offset:14;
44 	u16 udp_ind:1;
45 	u16 csum_enabled:1;
46 #elif defined (__BIG_ENDIAN_BITFIELD)
47 	u16 csum_enabled:1;
48 	u16 udp_ind:1;
49 	u16 csum_insert_offset:14;
50 #else
51 #error	"Please fix <asm/byteorder.h>"
52 #endif
53 } __aligned(1);
54 
55 #endif /* !(_LINUX_IF_RMNET_H_) */
56