149 lines
2.3 KiB
C
149 lines
2.3 KiB
C
/*++
|
|
|
|
Copyright (c) 1995 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
adpdbase.c
|
|
|
|
Abstract:
|
|
|
|
Functions to manipulate the adapters data base
|
|
|
|
Author:
|
|
|
|
Stefan Solomon 04/10/1995
|
|
|
|
Revision History:
|
|
|
|
|
|
--*/
|
|
|
|
#include "precomp.h"
|
|
#pragma hdrstop
|
|
|
|
#define adpthashindex(AdptIndex) (AdptIndex) % ADAPTER_HASH_TABLE_SIZE
|
|
|
|
// THIS FUNCTIONS ASSUME THE ROUTER MANAGER IS IN CRITICAL SECTION WHEN CALLED
|
|
|
|
//***
|
|
//
|
|
// Function: InitAdptDB
|
|
//
|
|
// Descr:
|
|
//
|
|
//***
|
|
|
|
VOID
|
|
InitAdptDB(VOID)
|
|
{
|
|
int i;
|
|
PLIST_ENTRY IfHtBucketp;
|
|
|
|
IfHtBucketp = IndexAdptHt;
|
|
|
|
for(i=0; i<ADAPTER_HASH_TABLE_SIZE; i++, IfHtBucketp++) {
|
|
|
|
InitializeListHead(IfHtBucketp);
|
|
}
|
|
}
|
|
|
|
/*++
|
|
|
|
Function: AddToAdapterHt
|
|
|
|
Descr: Adds the adapter control block to the hash table of adapters
|
|
|
|
--*/
|
|
|
|
VOID
|
|
AddToAdapterHt(PACB acbp)
|
|
{
|
|
int hv;
|
|
PLIST_ENTRY lep;
|
|
PACB list_acbp;
|
|
|
|
// insert in index hash table
|
|
hv = adpthashindex(acbp->AdapterIndex);
|
|
InsertTailList(&IndexAdptHt[hv], &acbp->IndexHtLinkage);
|
|
}
|
|
|
|
VOID
|
|
RemoveFromAdapterHt(PACB acbp)
|
|
{
|
|
RemoveEntryList(&acbp->IndexHtLinkage);
|
|
}
|
|
|
|
/*++
|
|
|
|
Function: GetAdapterByIndex
|
|
|
|
Descr:
|
|
|
|
--*/
|
|
|
|
PACB
|
|
GetAdapterByIndex(ULONG AdptIndex)
|
|
{
|
|
PACB acbp;
|
|
PLIST_ENTRY lep;
|
|
int hv;
|
|
|
|
hv = adpthashindex(AdptIndex);
|
|
|
|
lep = IndexAdptHt[hv].Flink;
|
|
|
|
while(lep != &IndexAdptHt[hv])
|
|
{
|
|
acbp = CONTAINING_RECORD(lep, ACB, IndexHtLinkage);
|
|
if (acbp->AdapterIndex == AdptIndex) {
|
|
|
|
return acbp;
|
|
}
|
|
|
|
lep = acbp->IndexHtLinkage.Flink;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*++
|
|
|
|
Function: GetAdapterByName
|
|
|
|
Descr: Scans the list of adapters looking for the matching name
|
|
|
|
--*/
|
|
|
|
PACB
|
|
GetAdapterByNameAndPktType (LPWSTR AdapterName, ULONG PacketType)
|
|
{
|
|
PACB acbp;
|
|
PLIST_ENTRY lep;
|
|
int i;
|
|
|
|
// the list of adapters is kept in the adapters hash table.
|
|
for(i=0; i<ADAPTER_HASH_TABLE_SIZE;i++) {
|
|
|
|
lep = IndexAdptHt[i].Flink;
|
|
|
|
while(lep != &IndexAdptHt[i])
|
|
{
|
|
acbp = CONTAINING_RECORD(lep, ACB, IndexHtLinkage);
|
|
|
|
if(!_wcsicmp(AdapterName, acbp->AdapterNamep)) {
|
|
if ((PacketType == AUTO_DETECT_PACKET_TYPE)
|
|
|| (PacketType == acbp->AdapterInfo.PacketType))
|
|
|
|
// found !
|
|
return acbp;
|
|
}
|
|
|
|
lep = acbp->IndexHtLinkage.Flink;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|