140 lines
4.3 KiB
C
140 lines
4.3 KiB
C
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#include "oscfg.h"
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#include "ndis.h"
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#include "ip6imp.h"
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#include "ip6def.h"
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#include "ipexport.h"
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#include "icmp.h"
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#include "neighbor.h"
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#include "route.h"
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#include <tdiinfo.h>
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#include <tdi.h>
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#include <tdistat.h>
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#include "info.h"
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#include "fragment.h"
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//* IPv6QueryInfo - IP query information handler.
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//
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// Called by the upper layer when it wants to query information about us.
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// We take in an ID, a buffer and length, and a context value, and return
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// whatever information we can.
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//
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// Input: ID - Pointer to ID structure.
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// Buffer - Pointer to buffer chain.
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// Size - Pointer to size in bytes of buffer. On return, filled
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// in with bytes read.
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// Context - Pointer to context value.
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//
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// Returns: TDI_STATUS of attempt to read information.
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//
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TDI_STATUS
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IPv6QueryInfo(
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TDIObjectID *ID,
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PNDIS_BUFFER Buffer,
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uint *Size,
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void *Context,
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uint ContextSize)
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{
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uint BufferSize = *Size;
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uint BytesCopied;
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uint Entity;
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uint Instance;
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Entity = ID->toi_entity.tei_entity;
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Instance = ID->toi_entity.tei_instance;
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*Size = 0; // Set to 0 in case of an error.
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// See if it's something we might handle.
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if ((Entity != CL_NL_ENTITY) || (Instance != 0))
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return TDI_INVALID_REQUEST;
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// The request is for us.
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if ((ID->toi_class != INFO_CLASS_PROTOCOL) &&
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(ID->toi_type != INFO_TYPE_PROVIDER))
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return TDI_INVALID_PARAMETER;
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switch (ID->toi_id) {
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case IP6_MIB_STATS_ID: {
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uint Offset = 0;
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int fStatus;
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IPInternalPerCpuStats SumCpuStats;
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if (BufferSize < sizeof(IPSNMPInfo))
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return TDI_BUFFER_TOO_SMALL;
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IPSInfo.ipsi_defaultttl = DefaultCurHopLimit;
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IPSInfo.ipsi_reasmtimeout = DEFAULT_REASSEMBLY_TIMEOUT;
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IPSInfo.ipsi_forwarding = (NumForwardingInterfaces > 0)?
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IP_FORWARDING : IP_NOT_FORWARDING;
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IPSGetTotalCounts(&SumCpuStats);
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IPSInfo.ipsi_inreceives = SumCpuStats.ics_inreceives;
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IPSInfo.ipsi_indelivers = SumCpuStats.ics_indelivers;
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IPSInfo.ipsi_outrequests = SumCpuStats.ics_outrequests;
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IPSInfo.ipsi_forwdatagrams = SumCpuStats.ics_forwdatagrams;
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fStatus = CopyToNdisSafe(Buffer, NULL, (PVOID)&IPSInfo,
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sizeof(IPSNMPInfo), &Offset);
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if (!fStatus)
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return TDI_NO_RESOURCES;
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BytesCopied = sizeof(IPSNMPInfo);
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}
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break;
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case ICMP6_MIB_STATS_ID: {
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uint Offset = 0;
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int fStatus;
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if (BufferSize < sizeof(ICMPv6SNMPInfo))
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return TDI_BUFFER_TOO_SMALL;
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fStatus = CopyToNdisSafe(Buffer, &Buffer, (uchar *) &ICMPv6InStats,
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sizeof(ICMPv6Stats), &Offset);
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if (!fStatus)
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return (TDI_NO_RESOURCES);
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fStatus = CopyToNdisSafe(Buffer, NULL, (uchar *) &ICMPv6OutStats,
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sizeof(ICMPv6Stats), &Offset);
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if (!fStatus)
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return (TDI_NO_RESOURCES);
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BytesCopied = sizeof(ICMPv6SNMPInfo);
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}
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break;
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case IP6_GET_BEST_ROUTE_ID: {
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TDI_ADDRESS_IP6 *In = (TDI_ADDRESS_IP6 *) Context;
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IP6RouteEntry Ire;
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uint Offset;
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IP_STATUS Status;
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int fStatus;
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if (ContextSize < sizeof(TDI_ADDRESS_IP6))
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return TDI_INVALID_PARAMETER;
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if (BufferSize < sizeof(IP6RouteEntry))
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return TDI_BUFFER_OVERFLOW;
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Status = GetBestRouteInfo((struct in6_addr *)In->sin6_addr,
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In->sin6_scope_id, &Ire);
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if (Status != IP_SUCCESS)
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return TDI_DEST_HOST_UNREACH;
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Offset = 0;
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fStatus = CopyToNdisSafe(Buffer, &Buffer, (PVOID)&Ire,
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Ire.ire_Length, &Offset);
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if (!fStatus)
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return TDI_NO_RESOURCES;
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BytesCopied = sizeof(IP6RouteEntry);
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}
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break;
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default:
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return TDI_INVALID_PARAMETER;
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}
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*Size = BytesCopied;
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return TDI_SUCCESS;
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}
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