136 lines
2.9 KiB
C
136 lines
2.9 KiB
C
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/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _LINUX_DCCP_H
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#define _LINUX_DCCP_H
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#include <linux/types.h>
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#include <asm/byteorder.h>
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struct dccp_hdr {
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__be16 dccph_sport,
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dccph_dport;
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__u8 dccph_doff;
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#ifdef __LITTLE_ENDIAN_BITFIELD
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__u8 dccph_cscov:4,
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dccph_ccval:4;
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#elif defined(__BIG_ENDIAN_BITFIELD)
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__u8 dccph_ccval:4,
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dccph_cscov:4;
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#else
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#error "Adjust your <asm/byteorder.h> defines"
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#endif
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__u16 dccph_checksum;
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#ifdef __LITTLE_ENDIAN_BITFIELD
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__u8 dccph_x:1,
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dccph_type:4,
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dccph_reserved:3;
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#elif defined(__BIG_ENDIAN_BITFIELD)
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__u8 dccph_reserved:3,
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dccph_type:4,
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dccph_x:1;
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#else
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#error "Adjust your <asm/byteorder.h> defines"
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#endif
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__u8 dccph_seq2;
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__be16 dccph_seq;
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};
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struct dccp_hdr_ext {
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__be32 dccph_seq_low;
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};
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struct dccp_hdr_request {
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__be32 dccph_req_service;
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};
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struct dccp_hdr_ack_bits {
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__be16 dccph_reserved1;
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__be16 dccph_ack_nr_high;
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__be32 dccph_ack_nr_low;
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};
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struct dccp_hdr_response {
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struct dccp_hdr_ack_bits dccph_resp_ack;
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__be32 dccph_resp_service;
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};
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struct dccp_hdr_reset {
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struct dccp_hdr_ack_bits dccph_reset_ack;
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__u8 dccph_reset_code,
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dccph_reset_data[3];
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};
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enum dccp_pkt_type {
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DCCP_PKT_REQUEST = 0,
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DCCP_PKT_RESPONSE,
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DCCP_PKT_DATA,
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DCCP_PKT_ACK,
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DCCP_PKT_DATAACK,
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DCCP_PKT_CLOSEREQ,
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DCCP_PKT_CLOSE,
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DCCP_PKT_RESET,
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DCCP_PKT_SYNC,
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DCCP_PKT_SYNCACK,
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DCCP_PKT_INVALID,
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};
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#define DCCP_NR_PKT_TYPES DCCP_PKT_INVALID
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enum {
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DCCPO_PADDING = 0,
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DCCPO_MANDATORY = 1,
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DCCPO_MIN_RESERVED = 3,
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DCCPO_MAX_RESERVED = 31,
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DCCPO_CHANGE_L = 32,
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DCCPO_CONFIRM_L = 33,
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DCCPO_CHANGE_R = 34,
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DCCPO_CONFIRM_R = 35,
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DCCPO_NDP_COUNT = 37,
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DCCPO_ACK_VECTOR_0 = 38,
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DCCPO_ACK_VECTOR_1 = 39,
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DCCPO_TIMESTAMP = 41,
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DCCPO_TIMESTAMP_ECHO = 42,
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DCCPO_ELAPSED_TIME = 43,
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DCCPO_MAX = 45,
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DCCPO_MIN_CCID_SPECIFIC = 128,
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DCCPO_MAX_CCID_SPECIFIC = 255,
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};
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enum {
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DCCPF_RESERVED = 0,
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DCCPF_CCID = 1,
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DCCPF_SEQUENCE_WINDOW = 3,
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DCCPF_ACK_RATIO = 5,
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DCCPF_SEND_ACK_VECTOR = 6,
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DCCPF_SEND_NDP_COUNT = 7,
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DCCPF_MIN_CCID_SPECIFIC = 128,
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DCCPF_MAX_CCID_SPECIFIC = 255,
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};
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struct dccp_so_feat {
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__u8 dccpsf_feat;
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__u8 *dccpsf_val;
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__u8 dccpsf_len;
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};
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#define DCCP_SOCKOPT_PACKET_SIZE 1
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#define DCCP_SOCKOPT_SERVICE 2
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#define DCCP_SOCKOPT_CHANGE_L 3
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#define DCCP_SOCKOPT_CHANGE_R 4
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#define DCCP_SOCKOPT_CCID_RX_INFO 128
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#define DCCP_SOCKOPT_CCID_TX_INFO 192
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#define DCCP_SERVICE_LIST_MAX_LEN 32
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#endif
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