#include <fs_devfs.h>
#include <drv_pci.h>
#include <tpl_drv_network.h>
+#include <semaphore.h>
// === CONSTANTS ===
#define MEM_START 0x40
Uint16 IOBase; //!< IO Port Address from PCI
Uint8 IRQ; //!< IRQ Assigned from PCI
- int NumWaitingPackets;
+ tSemaphore Semaphore;
+// int NumWaitingPackets;
int NextRXPage;
int NextMemPage; //!< Next Card Memory page to use
// === PROTOTYPES ===
int Ne2k_Install(char **Arguments);
char *Ne2k_ReadDir(tVFS_Node *Node, int Pos);
-tVFS_Node *Ne2k_FindDir(tVFS_Node *Node, char *Name);
+tVFS_Node *Ne2k_FindDir(tVFS_Node *Node, const char *Name);
int Ne2k_IOCtl(tVFS_Node *Node, int ID, void *Data);
Uint64 Ne2k_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
Uint64 Ne2k_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
outb( base + CURR, RX_FIRST ); // Current RX page
outb( base + CMD, 0x21 ); // No DMA and Stop
outb( base + DCR, 0x49 ); // Set WORD mode
- outb( base + IMR, 0x00 );
+ outb( base + IMR, 0x00 ); // Interrupt Mask Register
outb( base + ISR, 0xFF );
outb( base + RCR, 0x20 ); // Reciever to Monitor
outb( base + TCR, 0x02 ); // Transmitter OFF (TCR.LB = 1, Internal Loopback)
gpNe2k_Cards[ k ].Node.Write = Ne2k_Write;
gpNe2k_Cards[ k ].Node.Read = Ne2k_Read;
gpNe2k_Cards[ k ].Node.IOCtl = Ne2k_IOCtl;
+
+ // Initialise packet semaphore
+ // - Start at zero, no max
+ Semaphore_Init( &gpNe2k_Cards[k].Semaphore, 0, 0, "NE2000", gpNe2k_Cards[ k ].Name );
}
}
}
/**
- * \fn tVFS_Node *Ne2k_FindDir(tVFS_Node *Node, char *Name)
+ * \fn tVFS_Node *Ne2k_FindDir(tVFS_Node *Node, const char *Name)
*/
-tVFS_Node *Ne2k_FindDir(tVFS_Node *Node, char *Name)
+tVFS_Node *Ne2k_FindDir(tVFS_Node *Node, const char *Name)
{
if(Name[0] == '\0' || Name[1] != '\0') return NULL;
*/
int Ne2k_IOCtl(tVFS_Node *Node, int ID, void *Data)
{
- int tmp;
ENTER("pNode iID pData", Node, ID, Data);
switch( ID )
{
- case DRV_IOCTL_TYPE:
- LEAVE('i', DRV_TYPE_NETWORK);
- return DRV_TYPE_NETWORK;
-
- case DRV_IOCTL_IDENT:
- tmp = ModUtil_SetIdent(Data, "Ne2k");
- LEAVE('i', tmp);
- return tmp;
-
- case DRV_IOCTL_VERSION:
- LEAVE('x', VERSION);
- return VERSION;
-
- case DRV_IOCTL_LOOKUP:
- tmp = ModUtil_LookupString( (char**)casIOCtls, Data );
- LEAVE('i', tmp);
- return tmp;
+ BASE_IOCTLS(DRV_TYPE_NETWORK, "NE2000", VERSION, casIOCtls);
}
// If this is the root, return
ENTER("pNode XOffset XLength pBuffer", Node, Offset, Length, Buffer);
- while(Card->NumWaitingPackets == 0) Threads_Yield();
+ // Wait for packets
+ Semaphore_Wait( &Card->Semaphore, 1 );
// Make sure that the card is in page 0
outb(Card->IOBase + CMD, 0|0x22); // Page 0, Start, NoDMA
outb( Card->IOBase + BNRY, page-1 );
// Set next RX Page and decrement the waiting list
Card->NextRXPage = page;
- Card->NumWaitingPackets --;
LEAVE('i', Length);
return Length;
// 0: Packet recieved (no error)
if( byte & 1 )
{
- gpNe2k_Cards[i].NumWaitingPackets ++;
- if( gpNe2k_Cards[i].NumWaitingPackets > MAX_PACKET_QUEUE )
- gpNe2k_Cards[i].NumWaitingPackets = MAX_PACKET_QUEUE;
+ //if( gpNe2k_Cards[i].NumWaitingPackets > MAX_PACKET_QUEUE )
+ // gpNe2k_Cards[i].NumWaitingPackets = MAX_PACKET_QUEUE;
+ Semaphore_Signal( &gpNe2k_Cards[i].Semaphore, 1 );
}
// 1: Packet sent (no error)
// 2: Recieved with error