Add DCBX

Author: lahell

PSDiscoveryProtocol/PSDiscoveryProtocol.psm1

@@ -892,6 +892,224 @@ function ConvertFrom-LLDPPacket {
  $Hash.Add('VLAN', [BitConverter]::ToUInt16($Packet[($Offset + 5)..($Offset + 4)], 0))
  }
 
+ if ($OUI -eq '00-80-C2' -and $Subtype -eq 9) {
+ $ETSMask = [uint16]0x000F
+ $Pri0To3 = [BitConverter]::ToUInt16($Packet[($Offset + 6)..($Offset + 5)], 0)
+ $Pri4To7 = [BitConverter]::ToUInt16($Packet[($Offset + 8)..($Offset + 7)], 0)
+
+ $ETS = [PSCustomObject]@{
+ Willing = ($Packet[($Offset + 4)] -band (1 -shl 7)) -ne 0
+ PriorityAssignmentTable = @(
+ [PSCustomObject]@{
+ Priority = 0
+ TrafficClass = ($Pri0To3 -shr 12) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 1
+ TrafficClass = ($Pri0To3 -shr 8) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 2
+ TrafficClass = ($Pri0To3 -shr 4) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 3
+ TrafficClass = $Pri0To3 -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 4
+ TrafficClass = ($Pri4To7 -shr 12) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 5
+ TrafficClass = ($Pri4To7 -shr 8) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 6
+ TrafficClass = ($Pri4To7 -shr 4) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 7
+ TrafficClass = $Pri4To7 -band $ETSMask
+ }
+ )
+ BandwidthAssignmentTable = @(
+ [PSCustomObject]@{
+ Priority = 0
+ Bandwidth = $Packet[($Offset + 9)]
+ }
+ [PSCustomObject]@{
+ Priority = 1
+ Bandwidth = $Packet[($Offset + 10)]
+ }
+ [PSCustomObject]@{
+ Priority = 2
+ Bandwidth = $Packet[($Offset + 11)]
+ }
+ [PSCustomObject]@{
+ Priority = 3
+ Bandwidth = $Packet[($Offset + 12)]
+ }
+ [PSCustomObject]@{
+ Priority = 4
+ Bandwidth = $Packet[($Offset + 13)]
+ }
+ [PSCustomObject]@{
+ Priority = 5
+ Bandwidth = $Packet[($Offset + 14)]
+ }
+ [PSCustomObject]@{
+ Priority = 6
+ Bandwidth = $Packet[($Offset + 15)]
+ }
+ [PSCustomObject]@{
+ Priority = 7
+ Bandwidth = $Packet[($Offset + 16)]
+ }
+ )
+ }
+
+ if (-not ($Hash.ContainsKey('DCBX'))) {
+ $Hash.Add('DCBX', [PSCustomObject]@{IEEE = [PSCustomObject]@{}})
+ }
+
+ $Hash.DCBX.IEEE | Add-Member -NotePropertyName ETS -NotePropertyValue $ETS
+ }
+
+ if ($OUI -eq '00-80-C2' -and $Subtype -eq 11) {
+ $PFC = [PSCustomObject]@{
+ Willing = ($Packet[($Offset + 4)] -band (1 -shl 7)) -ne 0
+ FlowControl = 0..7 | ForEach-Object {
+ [PSCustomObject]@{
+ Priority = $_
+ Enabled = ($Packet[($Offset + 5)] -band (1 -shl $_)) -ne 0
+ }
+ }
+ }
+
+ if (-not ($Hash.ContainsKey('DCBX'))) {
+ $Hash.Add('DCBX', [PSCustomObject]@{IEEE = [PSCustomObject]@{}})
+ }
+
+ $Hash.DCBX.IEEE | Add-Member -NotePropertyName PFC -NotePropertyValue $PFC
+ }
+
+ if ($OUI -eq '00-1B-21' -and $Subtype -eq 2) {
+ if (-not ($Hash.ContainsKey('DCBX'))) {
+ $Hash.Add('DCBX', [PSCustomObject]@{CEE = [PSCustomObject]@{}})
+ }
+
+ $DCBXTLVBuffer = $Packet[($Offset + 4)..($Offset + $Length - 1)]
+ $DCBXTLVOffset = 0
+
+ while ($DCBXTLVOffset -lt $DCBXTLVBuffer.Length) {
+ $DCBXTLVType = $DCBXTLVBuffer[($DCBXTLVOffset)] -shr 1
+ $DCBXTLVLength = [BitConverter]::ToUInt16($DCBXTLVBuffer[($DCBXTLVOffset + 1)..$DCBXTLVOffset], 0) -band $Mask
+ $DCBXTLVOffset += 2
+
+ Write-Verbose "DCBXTLVType : $DCBXTLVType"
+ Write-Verbose "DCBXTLVLength : $DCBXTLVLength"
+
+ if ($DCBXTLVType -eq 2) {
+ $ETSMask = [uint16]0x000F
+ $Pri0To3 = [BitConverter]::ToUInt16($DCBXTLVBuffer[($DCBXTLVOffset + 5)..($DCBXTLVOffset + 4)], 0)
+ $Pri4To7 = [BitConverter]::ToUInt16($DCBXTLVBuffer[($DCBXTLVOffset + 7)..($DCBXTLVOffset + 6)], 0)
+
+ $ETS = [PSCustomObject]@{
+ Enabled = ($DCBXTLVBuffer[($DCBXTLVOffset + 2)] -band (1 -shl 7)) -ne 0
+ Willing = ($DCBXTLVBuffer[($DCBXTLVOffset + 2)] -band (1 -shl 6)) -ne 0
+ PriorityAssignmentTable = @(
+ [PSCustomObject]@{
+ Priority = 0
+ TrafficClass = ($Pri0To3 -shr 12) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 1
+ TrafficClass = ($Pri0To3 -shr 8) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 2
+ TrafficClass = ($Pri0To3 -shr 4) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 3
+ TrafficClass = $Pri0To3 -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 4
+ TrafficClass = ($Pri4To7 -shr 12) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 5
+ TrafficClass = ($Pri4To7 -shr 8) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 6
+ TrafficClass = ($Pri4To7 -shr 4) -band $ETSMask
+ }
+ [PSCustomObject]@{
+ Priority = 7
+ TrafficClass = $Pri4To7 -band $ETSMask
+ }
+ )
+ BandwidthAssignmentTable = @(
+ [PSCustomObject]@{
+ Priority = 0
+ Bandwidth = $DCBXTLVBuffer[($DCBXTLVOffset + 8)]
+ }
+ [PSCustomObject]@{
+ Priority = 1
+ Bandwidth = $DCBXTLVBuffer[($DCBXTLVOffset + 9)]
+ }
+ [PSCustomObject]@{
+ Priority = 2
+ Bandwidth = $DCBXTLVBuffer[($DCBXTLVOffset + 10)]
+ }
+ [PSCustomObject]@{
+ Priority = 3
+ Bandwidth = $DCBXTLVBuffer[($DCBXTLVOffset + 11)]
+ }
+ [PSCustomObject]@{
+ Priority = 4
+ Bandwidth = $DCBXTLVBuffer[($DCBXTLVOffset + 12)]
+ }
+ [PSCustomObject]@{
+ Priority = 5
+ Bandwidth = $DCBXTLVBuffer[($DCBXTLVOffset + 13)]
+ }
+ [PSCustomObject]@{
+ Priority = 6
+ Bandwidth = $DCBXTLVBuffer[($DCBXTLVOffset + 14)]
+ }
+ [PSCustomObject]@{
+ Priority = 7
+ Bandwidth = $DCBXTLVBuffer[($DCBXTLVOffset + 15)]
+ }
+ )
+ }
+
+ $Hash.DCBX.CEE | Add-Member -NotePropertyName ETS -NotePropertyValue $ETS
+ }
+
+ if ($DCBXTLVType -eq 3) {
+ $PFC = [PSCustomObject]@{
+ Enabled = ($DCBXTLVBuffer[($DCBXTLVOffset + 2)] -band (1 -shl 7)) -ne 0
+ Willing = ($DCBXTLVBuffer[($DCBXTLVOffset + 2)] -band (1 -shl 6)) -ne 0
+ FlowControl = 0..7 | ForEach-Object {
+ [PSCustomObject]@{
+ Priority = $_
+ Enabled = ($DCBXTLVBuffer[($DCBXTLVOffset + 4)] -band (1 -shl $_)) -ne 0
+ }
+ }
+ }
+
+ $Hash.DCBX.CEE | Add-Member -NotePropertyName PFC -NotePropertyValue $PFC
+ }
+
+ $DCBXTLVOffset += $DCBXTLVLength
+ }
+ }
+
  $Bytes = $Packet[($Offset + 4)..($Offset + $Length - 1)]
  $Hex = [System.BitConverter]::ToString($Bytes)
  $Ascii = [System.Text.Encoding]::ASCII.GetString($Bytes)