* - Stack Initialisation
*/
#define DEBUG 0
-#define VERSION VER3(0,10,0)
+#define VERSION VER2(0,10)
#include "ipstack.h"
#include "link.h"
#include <modules.h>
// === IMPORTS ===
extern int ARP_Initialise();
+extern void UDP_Initialise();
+extern void TCP_Initialise();
extern int IPv4_Initialise();
extern int IPv4_Ping(tInterface *Iface, tIPv4 Addr);
+extern int IPv6_Initialise();
+//extern int IPv6_Ping(tInterface *Iface, tIPv6 Addr);
// === PROTOTYPES ===
int IPStack_Install(char **Arguments);
int IPStack_IOCtlRoot(tVFS_Node *Node, int ID, void *Data);
-char *IPStack_ReadDir(tVFS_Node *Node, int Pos);
-tVFS_Node *IPStack_FindDir(tVFS_Node *Node, char *Name);
- int IPStack_IOCtl(tVFS_Node *Node, int ID, void *Data);
+char *IPStack_Root_ReadDir(tVFS_Node *Node, int Pos);
+tVFS_Node *IPStack_Root_FindDir(tVFS_Node *Node, const char *Name);
+ int IPStack_Root_IOCtl(tVFS_Node *Node, int ID, void *Data);
+
int IPStack_AddInterface(char *Device);
tAdapter *IPStack_GetAdapter(char *Path);
+char *IPStack_Iface_ReadDir(tVFS_Node *Node, int Pos);
+tVFS_Node *IPStack_Iface_FindDir(tVFS_Node *Node, const char *Name);
+ int IPStack_Iface_IOCtl(tVFS_Node *Node, int ID, void *Data);
// === GLOBALS ===
MODULE_DEFINE(0, VERSION, IPStack, IPStack_Install, NULL, NULL);
.NumACLs = 1,
.ACLs = &gVFS_ACL_EveryoneRX,
.Flags = VFS_FFLAG_DIRECTORY,
- .ReadDir = IPStack_ReadDir,
- .FindDir = IPStack_FindDir,
- .IOCtl = IPStack_IOCtlRoot
+ .ReadDir = IPStack_Root_ReadDir,
+ .FindDir = IPStack_Root_FindDir,
+ .IOCtl = IPStack_Root_IOCtl
}
};
-tSpinlock glIP_Interfaces = 0;
+tShortSpinlock glIP_Interfaces;
+//! Loopback (127.0.0.0/8, ::1) Pseudo-Interface
+tInterface gIP_LoopInterface = {
+ Node: {
+ ImplPtr: &gIP_LoopInterface,
+ Flags: VFS_FFLAG_DIRECTORY,
+ Size: -1,
+ NumACLs: 1,
+ ACLs: &gVFS_ACL_EveryoneRX,
+ ReadDir: IPStack_Iface_ReadDir,
+ FindDir: IPStack_Iface_FindDir,
+ IOCtl: IPStack_Iface_IOCtl
+ },
+ Adapter: NULL,
+ Type: 0
+};
tInterface *gIP_Interfaces = NULL;
tInterface *gIP_Interfaces_Last = NULL;
int giIP_NextIfaceId = 1;
-tSpinlock glIP_Adapters = 0;
+tMutex glIP_Adapters;
tAdapter *gIP_Adapters = NULL;
+tSocketFile *gIP_FileTemplates;
// === CODE ===
/**
{
int i = 0;
- // Install Handlers
+ // Layer 3 - Network Layer Protocols
ARP_Initialise();
IPv4_Initialise();
+ IPv6_Initialise();
+ // Layer 4 - Transport Layer Protocols
+ TCP_Initialise();
+ UDP_Initialise();
if(Arguments)
{
// Parse module arguments
for( i = 0; Arguments[i]; i++ )
{
- //if(strcmp(Arguments[i], "Device") == '=') {
- //
- //}
+ // TODO:
+ // Define interfaces by <Device>,<Type>,<HexStreamAddress>,<Bits>
+ // Where:
+ // - <Device> is the device path (E.g. /Devices/ne2k/0)
+ // - <Type> is a number (e.g. 4) or symbol (e.g. AF_INET4)
+ // - <HexStreamAddress> is a condensed hexadecimal stream (in big endian)
+ // (E.g. 0A000201 for 10.0.2.1 IPv4)
+ // - <Bits> is the number of subnet bits (E.g. 24 for an IPv4 Class C)
}
}
+ gIP_LoopInterface.Adapter = IPStack_GetAdapter("/Devices/fifo/anon");
+
DevFS_AddDevice( &gIP_DriverInfo );
- return 1;
+ return MODULE_ERR_OK;
+}
+
+/**
+ * \brief Adds a file to the socket list
+ */
+int IPStack_AddFile(tSocketFile *File)
+{
+ Log_Log("IPStack", "Added file '%s'", File->Name);
+ File->Next = gIP_FileTemplates;
+ gIP_FileTemplates = File;
+ return 0;
}
/**
* \brief Read from the IP Stack's Device Directory
*/
-char *IPStack_ReadDir(tVFS_Node *Node, int Pos)
+char *IPStack_Root_ReadDir(tVFS_Node *Node, int Pos)
{
tInterface *iface;
char *name;
ENTER("pNode iPos", Node, Pos);
+
+ // Routing Subdir
+ if( Pos == 0 ) {
+ return strdup("routes");
+ }
+ // Pseudo Interfaces
+ if( Pos == 1 ) {
+ return strdup("lo");
+ }
+ Pos -= 2;
+
// Traverse the list
for( iface = gIP_Interfaces; iface && Pos--; iface = iface->Next ) ;
return NULL;
}
- name = malloc(6);
- name[0] = 'i';
- name[1] = 'p';
+ name = malloc(4);
+ if(!name) {
+ Log_Warning("IPStack", "IPStack_Root_ReadDir - malloc error");
+ LEAVE('n');
+ return NULL;
+ }
// Create the name
Pos = iface->Node.ImplInt;
if(Pos < 10) {
- name[2] = '0' + Pos;
- name[3] = '\0';
+ name[0] = '0' + Pos;
+ name[1] = '\0';
}
else if(Pos < 100) {
- name[2] = '0' + Pos/10;
- name[3] = '0' + Pos%10;
- name[4] = '\0';
+ name[0] = '0' + Pos/10;
+ name[1] = '0' + Pos%10;
+ name[2] = '\0';
}
else {
- name[2] = '0' + Pos/100;
- name[3] = '0' + (Pos/10)%10;
- name[4] = '0' + Pos%10;
- name[5] = '\0';
+ name[0] = '0' + Pos/100;
+ name[1] = '0' + (Pos/10)%10;
+ name[2] = '0' + Pos%10;
+ name[3] = '\0';
}
LEAVE('s', name);
/**
* \brief Get the node of an interface
*/
-tVFS_Node *IPStack_FindDir(tVFS_Node *Node, char *Name)
+tVFS_Node *IPStack_Root_FindDir(tVFS_Node *Node, const char *Name)
{
int i, num;
tInterface *iface;
ENTER("pNode sName", Node, Name);
- if(Name[0] != 'i' || Name[1] != 'p') {
- LEAVE('n');
- return NULL;
+ // Routing subdir
+ if( strcmp(Name, "routes") == 0 ) {
+ return &gIP_RouteNode;
+ }
+
+ // Loopback
+ if( strcmp(Name, "lo") == 0 ) {
+ return &gIP_LoopInterface.Node;
}
- i = 2; num = 0;
+ i = 0; num = 0;
while('0' <= Name[i] && Name[i] <= '9')
{
num *= 10;
for( iface = gIP_Interfaces; iface; iface = iface->Next )
{
- if( iface->Node.ImplInt == num )
+ if( (int)iface->Node.ImplInt == num )
{
LEAVE('p', &iface->Node);
return &iface->Node;
/**
* \brief Handles IOCtls for the IPStack root
*/
-int IPStack_IOCtlRoot(tVFS_Node *Node, int ID, void *Data)
+int IPStack_Root_IOCtl(tVFS_Node *Node, int ID, void *Data)
{
int tmp;
ENTER("pNode iID pData", Node, ID, Data);
return DRV_TYPE_MISC;
case DRV_IOCTL_IDENT:
- if( !CheckMem( Data, 4 ) ) LEAVE_RET('i', -1);
- memcpy(Data, "IP\0\0", 4);
+ tmp = ModUtil_SetIdent(Data, "IPStack");
LEAVE('i', 1);
return 1;
return VERSION;
case DRV_IOCTL_LOOKUP:
- if( !CheckString( Data ) ) LEAVE_RET('i', -1);
- LOG("Lookup '%s'", Data);
- tmp = LookupString( (char**)casIOCtls_Root, (char*)Data );
+ tmp = ModUtil_LookupString( (char**)casIOCtls_Root, (char*)Data );
LEAVE('i', tmp);
return tmp;
case 4:
if( Threads_GetUID() != 0 ) LEAVE_RET('i', -1);
if( !CheckString( Data ) ) LEAVE_RET('i', -1);
- tmp = IPStack_AddInterface(Data);
+ {
+ char name[4] = "";
+ tmp = IPStack_AddInterface(Data, name);
+ }
LEAVE_RET('i', tmp);
}
LEAVE('i', 0);
return 0;
}
+/**
+ * \brief Read from an interface's directory
+ */
+char *IPStack_Iface_ReadDir(tVFS_Node *Node, int Pos)
+{
+ tSocketFile *file = gIP_FileTemplates;
+ while(Pos-- && file) {
+ file = file->Next;
+ }
+
+ if(!file) return NULL;
+
+ return strdup(file->Name);
+}
+
+/**
+ * \brief Gets a named node from an interface directory
+ */
+tVFS_Node *IPStack_Iface_FindDir(tVFS_Node *Node, const char *Name)
+{
+ tSocketFile *file = gIP_FileTemplates;
+
+ // Get file definition
+ for(;file;file = file->Next)
+ {
+ if( strcmp(file->Name, Name) == 0 ) break;
+ }
+ if(!file) return NULL;
+
+ // Pass the buck!
+ return file->Init(Node->ImplPtr);
+}
+
+/**
+ * \brief Names for interface IOCtl Calls
+ */
static const char *casIOCtls_Iface[] = {
DRV_IOCTLNAMES,
"getset_type",
"get_address", "set_address",
"getset_subnet",
"get_gateway", "set_gateway",
+ "get_device",
"ping",
NULL
};
/**
* \brief Handles IOCtls for the IPStack interfaces
*/
-int IPStack_IOCtl(tVFS_Node *Node, int ID, void *Data)
+int IPStack_Iface_IOCtl(tVFS_Node *Node, int ID, void *Data)
{
int tmp;
tInterface *iface = (tInterface*)Node->ImplPtr;
return DRV_TYPE_MISC;
case DRV_IOCTL_IDENT:
- if( !CheckMem( Data, 4 ) ) LEAVE_RET('i', -1);
- memcpy(Data, "IP\0\0", 4);
+ tmp = ModUtil_SetIdent(Data, STR(IDENT));
LEAVE('i', 1);
return 1;
return VERSION;
case DRV_IOCTL_LOOKUP:
- if( !CheckString( Data ) ) LEAVE_RET('i', -1);
- LOG("Lookup '%s'", Data);
- tmp = LookupString( (char**)casIOCtls_Iface, (char*)Data );
+ tmp = ModUtil_LookupString( (char**)casIOCtls_Iface, (char*)Data );
LEAVE('i', tmp);
return tmp;
}
break;
+ /*
+ * get_device
+ * - Gets the name of the attached device
+ */
+ case 10:
+ if( Data == NULL )
+ LEAVE_RET('i', iface->Adapter->DeviceLen);
+ if( !CheckMem( Data, iface->Adapter->DeviceLen+1 ) )
+ LEAVE_RET('i', -1);
+ strcpy( Data, iface->Adapter->Device );
+ return iface->Adapter->DeviceLen;
+
/*
* ping
* - Send an ICMP Echo
*/
- case 10:
+ case 11:
switch(iface->Type)
{
case 0:
* \fn int IPStack_AddInterface(char *Device)
* \brief Adds an interface to the list
*/
-int IPStack_AddInterface(char *Device)
+int IPStack_AddInterface(const char *Device, const char *Name)
{
tInterface *iface;
+ tAdapter *card;
ENTER("sDevice", Device);
- iface = malloc(sizeof(tInterface));
+ card = IPStack_GetAdapter(Device);
+
+ iface = malloc(sizeof(tInterface) + strlen(Name));
if(!iface) {
LEAVE('i', -2);
return -2; // Return ERR_MYBAD
// Create Node
iface->Node.ImplPtr = iface;
- iface->Node.ImplInt = giIP_NextIfaceId++;
iface->Node.Flags = VFS_FFLAG_DIRECTORY;
- iface->Node.Size = 0;
+ iface->Node.Size = -1;
iface->Node.NumACLs = 1;
iface->Node.ACLs = &gVFS_ACL_EveryoneRX;
- iface->Node.ReadDir = NULL;
- iface->Node.FindDir = NULL;
- iface->Node.IOCtl = IPStack_IOCtl;
+ iface->Node.ReadDir = IPStack_Iface_ReadDir;
+ iface->Node.FindDir = IPStack_Iface_FindDir;
+ iface->Node.IOCtl = IPStack_Iface_IOCtl;
+ iface->Node.MkNod = NULL;
+ iface->Node.Link = NULL;
+ iface->Node.Relink = NULL;
+ iface->Node.Close = NULL;
// Set Defaults
iface->TimeoutDelay = DEFAULT_TIMEOUT;
return -1; // Return ERR_YOUFAIL
}
+ // Delay setting ImplInt until after the adapter is opened
+ // Keeps things simple
+ iface->Node.ImplInt = giIP_NextIfaceId++;
+
// Append to list
- LOCK( &glIP_Interfaces );
+ SHORTLOCK( &glIP_Interfaces );
if( gIP_Interfaces ) {
gIP_Interfaces_Last->Next = iface;
gIP_Interfaces_Last = iface;
gIP_Interfaces = iface;
gIP_Interfaces_Last = iface;
}
- RELEASE( &glIP_Interfaces );
+ SHORTREL( &glIP_Interfaces );
gIP_DriverInfo.RootNode.Size ++;
ENTER("sPath", Path);
- LOCK( &glIP_Adapters );
+ Mutex_Acquire( &glIP_Adapters );
// Check if this adapter is already open
for( dev = gIP_Adapters; dev; dev = dev->Next )
{
if( strcmp(dev->Device, Path) == 0 ) {
dev->NRef ++;
- RELEASE( &glIP_Adapters );
+ Mutex_Release( &glIP_Adapters );
LEAVE('p', dev);
return dev;
}
// Ok, so let's open it
dev = malloc( sizeof(tAdapter) + strlen(Path) + 1 );
if(!dev) {
- RELEASE( &glIP_Adapters );
+ Mutex_Release( &glIP_Adapters );
LEAVE('n');
return NULL;
}
// Fill Structure
strcpy( dev->Device, Path );
dev->NRef = 1;
+ dev->DeviceLen = strlen(Path);
// Open Device
dev->DeviceFD = VFS_Open( dev->Device, VFS_OPENFLAG_READ|VFS_OPENFLAG_WRITE );
if( dev->DeviceFD == -1 ) {
free( dev );
- RELEASE( &glIP_Adapters );
+ Mutex_Release( &glIP_Adapters );
LEAVE('n');
return NULL;
}
Warning("IPStack_GetAdapter: '%s' is not a network interface", dev->Device);
VFS_Close( dev->DeviceFD );
free( dev );
- RELEASE( &glIP_Adapters );
+ Mutex_Release( &glIP_Adapters );
LEAVE('n');
return NULL;
}
dev->Next = gIP_Adapters;
gIP_Adapters = dev;
- RELEASE( &glIP_Adapters );
+ Mutex_Release( &glIP_Adapters );
// Start watcher
Link_WatchDevice( dev );
LEAVE('p', dev);
return dev;
}
+
+/**
+ * \brief Gets the size (in bytes) of a specified form of address
+ */
+int IPStack_GetAddressSize(int AddressType)
+{
+ switch(AddressType)
+ {
+ default:
+ case AF_NULL:
+ return 0;
+ case AF_INET4:
+ return sizeof(tIPv4);
+ case AF_INET6:
+ return sizeof(tIPv6);
+ }
+}