include/linux/if_rmnet.h

   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_ip4_ind:1;
  45         u16 csum_enabled:1;
  46 #elif defined (__BIG_ENDIAN_BITFIELD)
  47         u16 csum_enabled:1;
  48         u16 udp_ip4_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_) */