// Public NTLite net ABI declarations shared between kernel, drivers, and user mode.

#pragma once
// net_abi.h - native networking ABI shared by the kernel socket facade
// and network stack provider drivers.

#include <stdint.h>
#include <stddef.h>

#define SYS_AF_INET         2u
#define SYS_AF_INET6        10u
#define SYS_SOCK_STREAM     1u
#define SYS_SOCK_DGRAM      2u
#define SYS_SOCK_RAW        3u
#define SYS_IPPROTO_ICMP    1u
#define SYS_IPPROTO_TCP     6u
#define SYS_IPPROTO_UDP     17u
#define SYS_IPPROTO_ICMPV6  58u

#define SYS_SHUTDOWN_READ   0u
#define SYS_SHUTDOWN_WRITE  1u
#define SYS_SHUTDOWN_BOTH   2u

#define SYS_SOCKET_ADDRESS_SIZE 28u
#define SYS_RESOLVE_HOST_NAME_MAX 255u

#define SYS_SOCKET_OPT_RECV_TIMEOUT_MS 1u
#define SYS_SOCKET_OPT_SEND_TIMEOUT_MS 2u
#define SYS_SOCKET_OPT_NONBLOCKING     3u

#define SYS_POLL_READ     0x0001u
#define SYS_POLL_WRITE    0x0002u
#define SYS_POLL_ERROR    0x0004u
#define SYS_POLL_HANGUP   0x0008u
#define SYS_POLL_INVALID  0x0010u
#define SYS_POLL_TIMEOUT_INFINITE 0xFFFFFFFFu

// Kernel socket providers use the same tagged native address shape as syscalls.
typedef struct SYS_SOCKET_ADDRESS_K {
    uint16_t Family;
    uint16_t Size;
    uint16_t Port;
    uint8_t  Address[16];
    uint32_t ScopeId;
} SYS_SOCKET_ADDRESS_K;

typedef struct SYS_POLLFD_K {
    uint32_t Handle;
    uint32_t Events;
    uint32_t ReturnedEvents;
} SYS_POLLFD_K;