Network commands port to userspace

src/kernel/userland/libc/syscall.c

@@ -105,7 +105,7 @@ uint32_t sys_size(int fd) {
     return (uint32_t)syscall2(SYS_FS, FS_CMD_SIZE, (uint64_t)fd);
 }
 
-int sys_list(const char *path, struct FAT32_FileInfo *entries, int max_entries) {
+int sys_list(const char *path, FAT32_FileInfo *entries, int max_entries) {
     return (int)syscall4(SYS_FS, FS_CMD_LIST, (uint64_t)path, (uint64_t)entries, (uint64_t)max_entries);
 }
 
@@ -133,3 +133,49 @@ void sys_kill(int pid) {
     syscall1(SYS_KILL, (uint64_t)pid);
 }
 
+// Network API implementations
+int sys_network_init(void) {
+    return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_NETWORK_INIT, 0);
+}
+
+int sys_network_dhcp_acquire(void) {
+    return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_NETWORK_DHCP, 0);
+}
+
+int sys_network_get_mac(net_mac_address_t *mac) {
+    return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_NETWORK_GET_MAC, (uint64_t)mac);
+}
+
+int sys_network_get_ip(net_ipv4_address_t *ip) {
+    return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_NETWORK_GET_IP, (uint64_t)ip);
+}
+
+int sys_network_set_ip(const net_ipv4_address_t *ip) {
+    return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_NETWORK_SET_IP, (uint64_t)ip);
+}
+
+int sys_network_get_stat(int stat_type) {
+    return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_NETWORK_GET_STATS, (uint64_t)stat_type);
+}
+
+int sys_network_get_gateway(net_ipv4_address_t *ip) {
+    return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_NETWORK_GET_GATEWAY, (uint64_t)ip);
+}
+
+int sys_network_get_dns(net_ipv4_address_t *ip) {
+    return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_NETWORK_GET_DNS, (uint64_t)ip);
+}
+
+int sys_udp_send(const net_ipv4_address_t *dest_ip, uint16_t dest_port, uint16_t src_port, const void *data, size_t data_len) {
+    uint32_t ports = (dest_port & 0xFFFF) | ((src_port & 0xFFFF) << 16);
+    return (int)syscall5(SYS_SYSTEM, SYSTEM_CMD_UDP_SEND, (uint64_t)dest_ip, (uint64_t)ports, (uint64_t)data, (uint64_t)data_len);
+}
+
+int sys_icmp_ping(const net_ipv4_address_t *dest_ip) {
+    return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_ICMP_PING, (uint64_t)dest_ip);
+}
+
+int sys_network_is_initialized(void) {
+    return (int)syscall2(SYS_SYSTEM, SYSTEM_CMD_NETWORK_IS_INIT, 0);
+}
+

src/kernel/userland/libc/syscall.h

@@ -2,6 +2,7 @@
 #define SYSCALL_H
 
 #include <stdint.h>
+#include <stddef.h>
 
 // Standard syscalls available from Kernel mode
 #define SYS_EXIT  0
@@ -27,6 +28,35 @@
 #define FS_CMD_GETCWD 12
 #define FS_CMD_CHDIR 13
 
+// System Commands (via SYS_SYSTEM)
+#define SYSTEM_CMD_SET_BG_COLOR 1
+#define SYSTEM_CMD_SET_BG_PATTERN 2
+#define SYSTEM_CMD_SET_WALLPAPER 3
+#define SYSTEM_CMD_SET_DESKTOP_PROP 4
+#define SYSTEM_CMD_SET_MOUSE_SPEED 5
+#define SYSTEM_CMD_NETWORK_INIT 6
+#define SYSTEM_CMD_GET_DESKTOP_PROP 7
+#define SYSTEM_CMD_GET_MOUSE_SPEED 8
+#define SYSTEM_CMD_GET_WALLPAPER_THUMB 9
+#define SYSTEM_CMD_CLEAR_SCREEN 10
+#define SYSTEM_CMD_RTC_GET 11
+#define SYSTEM_CMD_REBOOT 12
+#define SYSTEM_CMD_SHUTDOWN 13
+#define SYSTEM_CMD_BEEP 14
+#define SYSTEM_CMD_MEMINFO 15
+#define SYSTEM_CMD_UPTIME 16
+#define SYSTEM_CMD_PCI_LIST 17
+#define SYSTEM_CMD_NETWORK_DHCP 18
+#define SYSTEM_CMD_NETWORK_GET_MAC 19
+#define SYSTEM_CMD_NETWORK_GET_IP 20
+#define SYSTEM_CMD_NETWORK_SET_IP 21
+#define SYSTEM_CMD_UDP_SEND 22
+#define SYSTEM_CMD_NETWORK_GET_STATS 23
+#define SYSTEM_CMD_NETWORK_GET_GATEWAY 24
+#define SYSTEM_CMD_NETWORK_GET_DNS 25
+#define SYSTEM_CMD_ICMP_PING 26
+#define SYSTEM_CMD_NETWORK_IS_INIT 27
+
 // Internal assembly entry into Ring 0
 extern uint64_t syscall0(uint64_t sys_num);
 extern uint64_t syscall1(uint64_t sys_num, uint64_t arg1);
@@ -67,4 +97,20 @@ typedef struct {
 
 int sys_list(const char *path, FAT32_FileInfo *entries, int max_entries);
 
+// Network API
+typedef struct { uint8_t bytes[6]; } net_mac_address_t;
+typedef struct { uint8_t bytes[4]; } net_ipv4_address_t;
+
+int sys_network_init(void);
+int sys_network_dhcp_acquire(void);
+int sys_network_get_mac(net_mac_address_t *mac);
+int sys_network_get_ip(net_ipv4_address_t *ip);
+int sys_network_set_ip(const net_ipv4_address_t *ip);
+int sys_network_get_stat(int stat_type);
+int sys_network_get_gateway(net_ipv4_address_t *ip);
+int sys_network_get_dns(net_ipv4_address_t *ip);
+int sys_udp_send(const net_ipv4_address_t *dest_ip, uint16_t dest_port, uint16_t src_port, const void *data, size_t data_len);
+int sys_icmp_ping(const net_ipv4_address_t *dest_ip);
+int sys_network_is_initialized(void);
+
 #endif