mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 09:19:51 +00:00
![Subash Abhinov Kasiviswanathan](/assets/img/avatar_default.png)
Create if_rmnet.h and move the rmnet MAP packet structs to this common include file. To account for portablity, add little and big endian bitfield definitions similar to the ip & tcp headers. The definitions in the headers can now be re-used by the upcoming ipa driver series as well as qmi_wwan. Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only
|
|
* Copyright (c) 2013-2019, The Linux Foundation. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _LINUX_IF_RMNET_H_
|
|
#define _LINUX_IF_RMNET_H_
|
|
|
|
struct rmnet_map_header {
|
|
#if defined(__LITTLE_ENDIAN_BITFIELD)
|
|
u8 pad_len:6;
|
|
u8 reserved_bit:1;
|
|
u8 cd_bit:1;
|
|
#elif defined (__BIG_ENDIAN_BITFIELD)
|
|
u8 cd_bit:1;
|
|
u8 reserved_bit:1;
|
|
u8 pad_len:6;
|
|
#else
|
|
#error "Please fix <asm/byteorder.h>"
|
|
#endif
|
|
u8 mux_id;
|
|
__be16 pkt_len;
|
|
} __aligned(1);
|
|
|
|
struct rmnet_map_dl_csum_trailer {
|
|
u8 reserved1;
|
|
#if defined(__LITTLE_ENDIAN_BITFIELD)
|
|
u8 valid:1;
|
|
u8 reserved2:7;
|
|
#elif defined (__BIG_ENDIAN_BITFIELD)
|
|
u8 reserved2:7;
|
|
u8 valid:1;
|
|
#else
|
|
#error "Please fix <asm/byteorder.h>"
|
|
#endif
|
|
u16 csum_start_offset;
|
|
u16 csum_length;
|
|
__be16 csum_value;
|
|
} __aligned(1);
|
|
|
|
struct rmnet_map_ul_csum_header {
|
|
__be16 csum_start_offset;
|
|
#if defined(__LITTLE_ENDIAN_BITFIELD)
|
|
u16 csum_insert_offset:14;
|
|
u16 udp_ip4_ind:1;
|
|
u16 csum_enabled:1;
|
|
#elif defined (__BIG_ENDIAN_BITFIELD)
|
|
u16 csum_enabled:1;
|
|
u16 udp_ip4_ind:1;
|
|
u16 csum_insert_offset:14;
|
|
#else
|
|
#error "Please fix <asm/byteorder.h>"
|
|
#endif
|
|
} __aligned(1);
|
|
|
|
#endif /* !(_LINUX_IF_RMNET_H_) */
|