Warning: This file is not a C or C++ file. It does not have highlighting.
| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _LINUX_DCCP_H |
| 3 | #define _LINUX_DCCP_H |
| 4 | |
| 5 | #include <uapi/linux/dccp.h> |
| 6 | |
| 7 | static inline struct dccp_hdr_ext *dccp_hdrx(const struct dccp_hdr *dh) |
| 8 | { |
| 9 | return (struct dccp_hdr_ext *)((unsigned char *)dh + sizeof(*dh)); |
| 10 | } |
| 11 | |
| 12 | static inline unsigned int __dccp_basic_hdr_len(const struct dccp_hdr *dh) |
| 13 | { |
| 14 | return sizeof(*dh) + (dh->dccph_x ? sizeof(struct dccp_hdr_ext) : 0); |
| 15 | } |
| 16 | |
| 17 | static inline __u64 dccp_hdr_seq(const struct dccp_hdr *dh) |
| 18 | { |
| 19 | __u64 seq_nr = ntohs(dh->dccph_seq); |
| 20 | |
| 21 | if (dh->dccph_x != 0) |
| 22 | seq_nr = (seq_nr << 32) + ntohl(dccp_hdrx(dh)->dccph_seq_low); |
| 23 | else |
| 24 | seq_nr += (u32)dh->dccph_seq2 << 16; |
| 25 | |
| 26 | return seq_nr; |
| 27 | } |
| 28 | |
| 29 | static inline unsigned int __dccp_hdr_len(const struct dccp_hdr *dh) |
| 30 | { |
| 31 | return __dccp_basic_hdr_len(dh) + |
| 32 | dccp_packet_hdr_len(dh->dccph_type); |
| 33 | } |
| 34 | |
| 35 | #endif /* _LINUX_DCCP_H */ |
| 36 |
Warning: This file is not a C or C++ file. It does not have highlighting.