aunet.h

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#ifndef __AUNET_H__
#define __AUNET_H__
 
#include <stdint.h>
#include <aurora.h>
#include <Fs/vfs.h>
#include <Net/ipv6.h>
 
#define NETDEV_TYPE_ETHERNET 1
#define NETDEV_TYPE_802_11 2
#define NETDEV_TYPE_BLUETOOTH 3
#define NETDEV_TYPE_LOOPBACK 4
 
/* Wire/MAKE_IP form used by NIC ipv4addr and on-wire headers (LE host). */
#ifndef MAKE_IP
#define MAKE_IP(a, b, c, d) \
    ((uint32_t)(d) << 24 | (uint32_t)(c) << 16 | (uint32_t)(b) << 8 | (uint32_t)(a))
#endif
 
#ifdef ARCH_X64
#pragma pack(push,1)
#endif
typedef struct _netdev_{
    uint8_t mac[6];
    int linkStatus;
    uint8_t type;
    uint32_t ipv4addr;
    uint32_t ipv4subnet;
    uint32_t ipv4gateway;
    uint32_t dns_ipv4_1;
    uint32_t dns_ipv4_2;
    uint32_t dns_ipv4_3;
    ip6_addr ipv6addr;
    ip6_addr ipv6gateway;
    uint8_t ipv6prefixLen;
    ip6_addr dns_ipv6_1;
}AuNetworkDevice;
#ifdef ARCH_X64
#pragma pack(pop)
#endif
 
 
#define htonl(l)  ((((l) & 0xFF) << 24) | (((l) & 0xFF00) << 8) | (((l) & 0xFF0000) >> 8) | (((l) & 0xFF000000) >> 24))
#define htons(s)  ((((s) & 0xFF) << 8) | (((s) & 0xFF00) >> 8))
#define ntohl(l)  htonl((l))
#define ntohs(s)  htons((s))
 
/*I/O Codes used for network interfaces */
#define AUNET_GET_HARDWARE_ADDRESS 0x100
#define AUNET_SET_IPV4_ADDRESS 0x101
#define AUNET_GET_IPV4_ADDRESS 0x102
#define AUNET_GET_GATEWAY_ADDRESS 0x103
#define AUNET_SET_GATEWAY_ADDRESS 0x104
#define AUNET_GET_SUBNET_MASK 0x105
#define AUNET_SET_SUBNET_MASK 0x106
#define AUNET_GET_LINK_STATUS 0x107
#define AUNET_GET_IPV6_ADDRESS 0x108
#define AUNET_SET_IPV6_ADDRESS 0x109
#define AUNET_GET_IPV6_GATEWAY 0x10A
#define AUNET_SET_IPV6_GATEWAY 0x10B
#define AUNET_GET_IPV6_PREFIX 0x10C
#define AUNET_SET_IPV6_PREFIX 0x10D
 
/* 802.11 station ioctls (IEEE 802.11-2020). Arg is Wifi* from Net/wifi.h. */
#define WIFI_SCAN        0x140
#define WIFI_GET_SCAN    0x141
#define WIFI_CONNECT     0x142
#define WIFI_DISCONNECT  0x143
#define WIFI_GET_STATUS  0x144
#define WIFI_UPLINK      0x145
 
/*
* AuInitialiseNet -- initialise network data structures
*/
extern void AuInitialiseNet();
 
/*
* AuAddNetAdapter -- add a net adapter to the adapter
* list
*/
AU_EXTERN AU_EXPORT AuVFSNode* AuAddNetAdapter(AuVFSNode* netfs,char* name);
 
/*
* AuRemoveNetAdapter -- the driver behind an adapter is going away; the node
* stays but goes dead (see aunet.c)
*/
AU_EXTERN AU_EXPORT int AuRemoveNetAdapter(char* name);
/*
* AuGetNetworkAdapter -- get a network adapter 
* @param name -- adapter name
*/
AU_EXTERN AU_EXPORT AuVFSNode* AuGetNetworkAdapter(char* name);
 
/*
 * AuNetworkRoute -- select NIC via FIB (RFC 1122 §3.3.1).
 * Local/127/8 → lo. FIB hit → that NIC. Miss → NULL (ENETUNREACH).
 */
extern AuVFSNode* AuNetworkRoute(uint32_t address);
 
/*
 * AuNetworkRoute6 -- select NIC for an IPv6 destination.
 * Miss → NULL (no silent virtio-net fallback).
 */
extern AuVFSNode* AuNetworkRoute6(const ip6_addr* address);
 
/* Local-address checks (127/8, ::1, or any configured NIC address). */
extern int AuAddrIsLocal4(uint32_t address);
extern int AuAddrIsLocal6(const ip6_addr* address);
 
/* Install connected / default routes after address/gateway ioctl. */
AU_EXTERN AU_EXPORT void AuNetAddConnectedRoute4(AuVFSNode* nic, const char* ifname);
AU_EXTERN AU_EXPORT void AuNetAddConnectedRoute6(AuVFSNode* nic, const char* ifname);
AU_EXTERN AU_EXPORT void AuNetAddDefaultRoute4(AuVFSNode* nic, const char* ifname);
AU_EXTERN AU_EXPORT void AuNetAddDefaultRoute6(AuVFSNode* nic, const char* ifname);
 
/* Global nameserver table (not tied to a bound NIC). Index is 1-based. */
#define AU_DNS_MAX4 4
#define AU_DNS_MAX6 2
AU_EXTERN AU_EXPORT void AuDnsAddServer4(uint32_t addr);
AU_EXTERN AU_EXPORT void AuDnsSetServer4(int index, uint32_t addr);
extern int AuDnsGetServer4(int index, uint32_t* out);
AU_EXTERN AU_EXPORT void AuDnsAddServer6(const ip6_addr* addr);
AU_EXTERN AU_EXPORT void AuDnsSetServer6(int index, const ip6_addr* addr);
extern int AuDnsGetServer6(int index, ip6_addr* out);
 
/* Driver registers so socket recv can drain RX while userspace waits. */
AU_EXTERN AU_EXPORT void AuNetRegisterRxPoll(void (*fn)(void));
AU_EXTERN AU_EXPORT void AuNetRxPoll(void);
 
#endif