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Moving to IEEE 802.11s Draft 3.0 (Mesh Control Field, Beacon Timing Element):

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fix Mesh Control field:
		Mesh Flags bit endianness,
		Mesh Sequence Number byte endianness;
	fix Action Category names;
	fix Beacon Timing Element neighbors field deserialization.
This commit is contained in:
Andrey Mazo
2009-05-27 17:40:28 +04:00
parent b5797604c0
commit 4366a32cd8
6 changed files with 29 additions and 24 deletions
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1
.hgignore
View File

@@ -11,6 +11,7 @@
^doc/introspected-doxygen\.h$
.*\.py[co]$
\.pcap$
\.xml$
\.mob$
^doc/manual/manual/
doc/manual/manual.aux

31
src/devices/mesh/dot11s/dot11s-mac-header.cc
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@@ -111,12 +111,12 @@ MeshHeader::SetAddressExt (uint8_t num_of_addresses)
{
if (num_of_addresses > 3)
return;
m_meshFlags |= 0xc0 & (num_of_addresses << 6);
m_meshFlags |= 0x03 & num_of_addresses;
}
uint8_t
MeshHeader::GetAddressExt () const
{
return ((0xc0 & m_meshFlags) >> 6);
return (0x03 & m_meshFlags);
}
uint32_t
MeshHeader::GetSerializedSize () const
@@ -129,7 +129,7 @@ MeshHeader::Serialize (Buffer::Iterator start) const
Buffer::Iterator i = start;
i.WriteU8 (m_meshFlags);
i.WriteU8 (m_meshTtl);
i.WriteU32 (m_meshSeqno);
i.WriteHtolsbU32 (m_meshSeqno);
uint8_t addresses_to_add = GetAddressExt ();
//Writing Address extensions:
if ((addresses_to_add == 1) || (addresses_to_add == 3))
@@ -146,8 +146,8 @@ MeshHeader::Deserialize (Buffer::Iterator start)
uint8_t addresses_to_read = 0;
m_meshFlags = i.ReadU8 ();
m_meshTtl = i.ReadU8 ();
m_meshSeqno = i.ReadU32 ();
addresses_to_read = (m_meshFlags & 0xc0) >> 6;
m_meshSeqno = i.ReadLsbtohU32 ();
addresses_to_read = m_meshFlags & 0x03;
if ((addresses_to_read == 1) || (addresses_to_read == 3))
ReadFrom (i, m_addr4);
if (addresses_to_read > 1)
@@ -195,7 +195,7 @@ WifiMeshActionHeader::SetAction (
switch (type)
{
case MESH_PEER_LINK_MGT:
case MESH_PEERING_MGT:
{
m_actionValue = action.peerLink;
break;
@@ -206,8 +206,9 @@ WifiMeshActionHeader::SetAction (
break;
}
case MESH_LINK_METRIC:
case MESH_INTERWORK_ACTION:
case MESH_INTERWORKING:
case MESH_RESOURCE_COORDINATION:
case MESH_PROXY_FORWARDING:
break;
};
}
@@ -216,19 +217,21 @@ WifiMeshActionHeader::GetCategory ()
{
switch (m_category)
{
case MESH_PEER_LINK_MGT:
return MESH_PEER_LINK_MGT;
case MESH_PEERING_MGT:
return MESH_PEERING_MGT;
case MESH_LINK_METRIC:
return MESH_LINK_METRIC;
case MESH_PATH_SELECTION:
return MESH_PATH_SELECTION;
case MESH_INTERWORK_ACTION:
return MESH_INTERWORK_ACTION;
case MESH_INTERWORKING:
return MESH_INTERWORKING;
case MESH_RESOURCE_COORDINATION:
return MESH_RESOURCE_COORDINATION;
case MESH_PROXY_FORWARDING:
return MESH_PROXY_FORWARDING;
default:
NS_ASSERT (false);
return MESH_PEER_LINK_MGT;
return MESH_PEERING_MGT;
}
}
WifiMeshActionHeader::ActionValue
@@ -237,7 +240,7 @@ WifiMeshActionHeader::GetAction ()
ActionValue retval;
switch (m_category)
{
case MESH_PEER_LINK_MGT:
case MESH_PEERING_MGT:
switch (m_actionValue)
{
case PEER_LINK_OPEN:
@@ -274,7 +277,7 @@ WifiMeshActionHeader::GetAction ()
}
case MESH_LINK_METRIC:
// ???
case MESH_INTERWORK_ACTION:
case MESH_INTERWORKING:
// ???
case MESH_RESOURCE_COORDINATION:
// ???

7
src/devices/mesh/dot11s/dot11s-mac-header.h
View File

@@ -89,11 +89,12 @@ public:
/* Compatible with open80211s implementation */
enum CategoryValue //table 7-24 staring from 4
{
MESH_PEER_LINK_MGT = 30,
MESH_PEERING_MGT = 30,
MESH_LINK_METRIC = 31,
MESH_PATH_SELECTION = 32,
MESH_INTERWORK_ACTION = 33,
MESH_INTERWORKING = 33,
MESH_RESOURCE_COORDINATION = 34,
MESH_PROXY_FORWARDING = 35,
};
/* Compatible with open80211s implementation */
enum PeerLinkMgtActionValue
@@ -129,7 +130,7 @@ public:
MDAOP_SET_TEARDOWN,
BEACON_TIMING_REQUEST,
BEACON_TIMING_RESPONSE,
TBTT_ADJASTMENT_REQUEST,
TBTT_ADJUSTMENT_REQUEST,
MESH_CHANNEL_SWITCH_ANNOUNCEMENT,
};
typedef union

2
src/devices/mesh/dot11s/ie-dot11s-beacon-timing.cc
View File

@@ -93,7 +93,7 @@ IeBeaconTiming::AddNeighboursTimingElementUnit (
{
if (m_numOfUnits == 50)
return;
//Firs we lookup if this element already exists
//First we lookup if this element already exists
for (NeighboursTimingUnitsList::const_iterator i = m_neighbours.begin (); i != m_neighbours.end(); i++)
if (
((*i)->GetAid () == AidToU8(aid))

2
src/devices/mesh/dot11s/ie-dot11s-configuration.cc
View File

@@ -148,7 +148,7 @@ IeConfiguration::DeserializeInformation (Buffer::Iterator i, uint8_t length)
m_CCMId = (dot11sCongestionControlMode)i.ReadLsbtohU32 ();
m_SPId = (dot11sSynchronizationProtocolIdentifier)i.ReadLsbtohU32 ();
m_APId = (dot11sAuthenticationProtocol)i.ReadLsbtohU32 ();
m_neighbors = i.ReadU8 () / 2;
m_neighbors = (i.ReadU8 () >> 1) & 0xF;
i = m_meshCap.Deserialize (i);
return i.GetDistanceFrom (start);
}

10
src/devices/mesh/dot11s/peer-management-plugin.cc
View File

@@ -82,7 +82,7 @@ PeerManagerMacPlugin::Receive (Ptr<Packet> const_packet, const WifiMacHeader & h
packet->RemoveHeader (actionHdr);
WifiMeshActionHeader::ActionValue actionValue = actionHdr.GetAction ();
// If can not handle - just return;
if(actionHdr.GetCategory () != WifiMeshActionHeader::MESH_PEER_LINK_MGT)
if(actionHdr.GetCategory () != WifiMeshActionHeader::MESH_PEERING_MGT)
return m_protocol->IsActiveLink(m_ifIndex,header.GetAddr2());
m_stats.recvMgt ++;
m_stats.recvMgtBytes += packet->GetSize ();
@@ -149,7 +149,7 @@ PeerManagerMacPlugin::UpdateOutcomingFrame (Ptr<Packet> packet, WifiMacHeader &
WifiMeshActionHeader actionHdr;
packet->PeekHeader (actionHdr);
WifiMeshActionHeader::ActionValue actionValue = actionHdr.GetAction ();
if(actionHdr.GetCategory () == WifiMeshActionHeader::MESH_PEER_LINK_MGT)
if(actionHdr.GetCategory () == WifiMeshActionHeader::MESH_PEERING_MGT)
return true;
}
if(header.GetAddr1 ().IsGroup ())
@@ -201,7 +201,7 @@ PeerManagerMacPlugin::SendPeerLinkManagementFrame(
WifiMeshActionHeader::ActionValue action;
action.peerLink = WifiMeshActionHeader::PEER_LINK_OPEN;
fields.subtype = WifiMeshActionHeader::PEER_LINK_OPEN;
actionHdr.SetAction (WifiMeshActionHeader::MESH_PEER_LINK_MGT, action);
actionHdr.SetAction (WifiMeshActionHeader::MESH_PEERING_MGT, action);
}
if (peerElement.SubtypeIsConfirm ())
{
@@ -210,7 +210,7 @@ PeerManagerMacPlugin::SendPeerLinkManagementFrame(
action.peerLink = WifiMeshActionHeader::PEER_LINK_CONFIRM;
fields.aid = aid;
fields.subtype = WifiMeshActionHeader::PEER_LINK_CONFIRM;
actionHdr.SetAction (WifiMeshActionHeader::MESH_PEER_LINK_MGT, action);
actionHdr.SetAction (WifiMeshActionHeader::MESH_PEERING_MGT, action);
}
if (peerElement.SubtypeIsClose ())
{
@@ -219,7 +219,7 @@ PeerManagerMacPlugin::SendPeerLinkManagementFrame(
action.peerLink = WifiMeshActionHeader::PEER_LINK_CLOSE;
fields.subtype = WifiMeshActionHeader::PEER_LINK_CLOSE;
fields.reasonCode = peerElement.GetReasonCode ();
actionHdr.SetAction (WifiMeshActionHeader::MESH_PEER_LINK_MGT, action);
actionHdr.SetAction (WifiMeshActionHeader::MESH_PEERING_MGT, action);
}
plinkFrame.SetPlinkFrameStart(fields);
packet->AddHeader (plinkFrame);