xref: /aosp_15_r20/bionic/libc/kernel/uapi/linux/dccp.h (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)

/*
 * This file is auto-generated. Modifications will be lost.
 *
 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
 * for more information.
 */
#ifndef _UAPI_LINUX_DCCP_H
#define _UAPI_LINUX_DCCP_H
#include <linux/types.h>
#include <asm/byteorder.h>
struct dccp_hdr {
  __be16 dccph_sport, dccph_dport;
  __u8 dccph_doff;
#ifdef __LITTLE_ENDIAN_BITFIELD
  __u8 dccph_cscov : 4, dccph_ccval : 4;
#elif defined(__BIG_ENDIAN_BITFIELD)
  __u8 dccph_ccval : 4, dccph_cscov : 4;
#else
#error "Adjust your <asm/byteorder.h> defines"
#endif
  __sum16 dccph_checksum;
#ifdef __LITTLE_ENDIAN_BITFIELD
  __u8 dccph_x : 1, dccph_type : 4, dccph_reserved : 3;
#elif defined(__BIG_ENDIAN_BITFIELD)
  __u8 dccph_reserved : 3, dccph_type : 4, dccph_x : 1;
#else
#error "Adjust your <asm/byteorder.h> defines"
#endif
  __u8 dccph_seq2;
  __be16 dccph_seq;
};
struct dccp_hdr_ext {
  __be32 dccph_seq_low;
};
struct dccp_hdr_request {
  __be32 dccph_req_service;
};
struct dccp_hdr_ack_bits {
  __be16 dccph_reserved1;
  __be16 dccph_ack_nr_high;
  __be32 dccph_ack_nr_low;
};
struct dccp_hdr_response {
  struct dccp_hdr_ack_bits dccph_resp_ack;
  __be32 dccph_resp_service;
};
struct dccp_hdr_reset {
  struct dccp_hdr_ack_bits dccph_reset_ack;
  __u8 dccph_reset_code, dccph_reset_data[3];
};
enum dccp_pkt_type {
  DCCP_PKT_REQUEST = 0,
  DCCP_PKT_RESPONSE,
  DCCP_PKT_DATA,
  DCCP_PKT_ACK,
  DCCP_PKT_DATAACK,
  DCCP_PKT_CLOSEREQ,
  DCCP_PKT_CLOSE,
  DCCP_PKT_RESET,
  DCCP_PKT_SYNC,
  DCCP_PKT_SYNCACK,
  DCCP_PKT_INVALID,
};
#define DCCP_NR_PKT_TYPES DCCP_PKT_INVALID
enum dccp_reset_codes {
  DCCP_RESET_CODE_UNSPECIFIED = 0,
  DCCP_RESET_CODE_CLOSED,
  DCCP_RESET_CODE_ABORTED,
  DCCP_RESET_CODE_NO_CONNECTION,
  DCCP_RESET_CODE_PACKET_ERROR,
  DCCP_RESET_CODE_OPTION_ERROR,
  DCCP_RESET_CODE_MANDATORY_ERROR,
  DCCP_RESET_CODE_CONNECTION_REFUSED,
  DCCP_RESET_CODE_BAD_SERVICE_CODE,
  DCCP_RESET_CODE_TOO_BUSY,
  DCCP_RESET_CODE_BAD_INIT_COOKIE,
  DCCP_RESET_CODE_AGGRESSION_PENALTY,
  DCCP_MAX_RESET_CODES
};
enum {
  DCCPO_PADDING = 0,
  DCCPO_MANDATORY = 1,
  DCCPO_MIN_RESERVED = 3,
  DCCPO_MAX_RESERVED = 31,
  DCCPO_CHANGE_L = 32,
  DCCPO_CONFIRM_L = 33,
  DCCPO_CHANGE_R = 34,
  DCCPO_CONFIRM_R = 35,
  DCCPO_NDP_COUNT = 37,
  DCCPO_ACK_VECTOR_0 = 38,
  DCCPO_ACK_VECTOR_1 = 39,
  DCCPO_TIMESTAMP = 41,
  DCCPO_TIMESTAMP_ECHO = 42,
  DCCPO_ELAPSED_TIME = 43,
  DCCPO_MAX = 45,
  DCCPO_MIN_RX_CCID_SPECIFIC = 128,
  DCCPO_MAX_RX_CCID_SPECIFIC = 191,
  DCCPO_MIN_TX_CCID_SPECIFIC = 192,
  DCCPO_MAX_TX_CCID_SPECIFIC = 255,
};
#define DCCP_SINGLE_OPT_MAXLEN 253
enum {
  DCCPC_CCID2 = 2,
  DCCPC_CCID3 = 3,
};
enum dccp_feature_numbers {
  DCCPF_RESERVED = 0,
  DCCPF_CCID = 1,
  DCCPF_SHORT_SEQNOS = 2,
  DCCPF_SEQUENCE_WINDOW = 3,
  DCCPF_ECN_INCAPABLE = 4,
  DCCPF_ACK_RATIO = 5,
  DCCPF_SEND_ACK_VECTOR = 6,
  DCCPF_SEND_NDP_COUNT = 7,
  DCCPF_MIN_CSUM_COVER = 8,
  DCCPF_DATA_CHECKSUM = 9,
  DCCPF_MIN_CCID_SPECIFIC = 128,
  DCCPF_SEND_LEV_RATE = 192,
  DCCPF_MAX_CCID_SPECIFIC = 255,
};
enum dccp_cmsg_type {
  DCCP_SCM_PRIORITY = 1,
  DCCP_SCM_QPOLICY_MAX = 0xFFFF,
  DCCP_SCM_MAX
};
enum dccp_packet_dequeueing_policy {
  DCCPQ_POLICY_SIMPLE,
  DCCPQ_POLICY_PRIO,
  DCCPQ_POLICY_MAX
};
#define DCCP_SOCKOPT_PACKET_SIZE 1
#define DCCP_SOCKOPT_SERVICE 2
#define DCCP_SOCKOPT_CHANGE_L 3
#define DCCP_SOCKOPT_CHANGE_R 4
#define DCCP_SOCKOPT_GET_CUR_MPS 5
#define DCCP_SOCKOPT_SERVER_TIMEWAIT 6
#define DCCP_SOCKOPT_SEND_CSCOV 10
#define DCCP_SOCKOPT_RECV_CSCOV 11
#define DCCP_SOCKOPT_AVAILABLE_CCIDS 12
#define DCCP_SOCKOPT_CCID 13
#define DCCP_SOCKOPT_TX_CCID 14
#define DCCP_SOCKOPT_RX_CCID 15
#define DCCP_SOCKOPT_QPOLICY_ID 16
#define DCCP_SOCKOPT_QPOLICY_TXQLEN 17
#define DCCP_SOCKOPT_CCID_RX_INFO 128
#define DCCP_SOCKOPT_CCID_TX_INFO 192
#define DCCP_SERVICE_LIST_MAX_LEN 32
#endif