--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wlan_bearer/wlannwif/src/CLanIp6Bearer.cpp Tue Feb 02 02:03:13 2010 +0200
@@ -0,0 +1,319 @@
+/*
+* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Implements IPv6 bearer
+*
+*/
+
+/*
+* %version: 11 %
+*/
+
+#include <in_sock.h> // Header is retained, but in_sock.h is modified for ipv6
+#include <in6_if.h>
+#include <in_pkt.h>
+#include <comms-infras/connectionsettings.h>
+#include "CLanIp6Bearer.h"
+#include "WlanProto.h"
+#include <comms-infras/es_protbinder.h>
+#include "WlanProvision.h"
+
+// From Wlan
+#include <arp_hdr.h>
+#include "am_debug.h"
+#include "rwlmserver.h"
+
+// Avoiding a warning in armv5 urel
+#ifdef _DEBUG
+_LIT(KCLanIp6BearerName,"EthWlan6");
+#endif /* _DEBUG */
+
+using namespace ESock;
+
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CLanIp6Bearer::ConstructL()
+{
+ DEBUG("CLanIp6Bearer::ConstructL()");
+
+ iIfName.Format(_L("wlan6[0x%08x]"), this);
+ UpdateMACAddr();
+ // ReadCommDbLanSettingsL() moved from here to point when provisioning information received
+}
+
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::Control
+// -----------------------------------------------------------------------------
+//
+TInt CLanIp6Bearer::Control(TUint aLevel,TUint aName,TDes8& aOption)
+{
+ DEBUG("CLanIp6Bearer::Control()");
+
+ if ((aLevel==KCOLInterface) || (aLevel==KSOLInterface))
+ {
+ switch (aName)
+ {
+ case KSoIfHardwareAddr:
+ {
+ typedef TPckgBuf<TSoIfHardwareAddr> THwAddr;
+ THwAddr& theHwAddrRef = static_cast<THwAddr&>(aOption);
+ theHwAddrRef().iHardwareAddr.SetFamily(1);
+ theHwAddrRef().iHardwareAddr.SetPort(KArpHarwareType_ETHERNET);
+ theHwAddrRef().iHardwareAddr.SetLength(sizeof(SSockAddr));
+ theHwAddrRef().iHardwareAddr.Append(Link()->MacAddress());
+ return KErrNone;
+ }
+ default:
+ break;
+ }
+ }
+
+ else if (aLevel==KSolInetIp)
+ {
+ switch (aName)
+ {
+ case KSoIp6LeaveGroup:
+ case KSoIp6JoinGroup:
+ {
+
+ // Convert multicast IPv6 address to multicast MAC address
+ TIp6Mreq& opt = *(TIp6Mreq*)aOption.Ptr();
+ TUint8* tmp = opt.iAddr.u.iAddr8;
+ TMacAddress mac;
+ mac.iMacAddress[0] = 0x33;
+ mac.iMacAddress[1] = 0x33;
+ mac.iMacAddress[2] = tmp[12];
+ mac.iMacAddress[3] = tmp[13];
+ mac.iMacAddress[4] = tmp[14];
+ mac.iMacAddress[5] = tmp[15];
+
+ TIp6Addr addr6 = opt.iAddr;
+ TInetAddr addr(addr6, 0);
+ TBuf<KCommsDbSvrMaxFieldLength> aa;
+ addr.Output(aa);
+
+ if(aName == KSoIp6JoinGroup)
+ DEBUG1("CLanIp6Bearer::Control() - joining multicast address:%S", &aa);
+ else
+ DEBUG1("CLanIp6Bearer::Control() - leaving multicast address:%S", &aa);
+
+ TInt ret = KErrNone;
+ RWLMServer wlmServer;
+ ret = wlmServer.Connect();
+ if( ret )
+ {
+ DEBUG1("CLanIp6Bearer::Control()- ERROR connecting RWlmServer: %d", ret);
+ return ret;
+ }
+ else
+ {
+ ret = wlmServer.ConfigureMulticast( aName, mac );
+ wlmServer.Close();
+ return KErrNone;
+ }
+ }
+ default:
+ break;
+ }
+ }
+ return KErrNotSupported;
+}
+
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::ResolveMulticastIp6
+// -----------------------------------------------------------------------------
+//
+void CLanIp6Bearer::ResolveMulticastIp6(TDes8& aDstAddr, RMBufChain& aPdu)
+ {
+ // We need to obtain the IPv6 header - i.e. the destination address.
+ // Octets 12 to 15 of the destination address, should be copied to
+ // Octets 2 to 5 of the aDstAddr.
+ // Octets 0 and 1 should be 0x3333.
+
+ DEBUG("CLanIp6Bearer::ResolveMulticastIp6()");
+
+ const TUint8 KMulticastPrefix[2] = {0x33, 0x33};
+
+ TIpv6Header* header = (TIpv6Header*)aPdu.First()->Next()->Ptr();
+
+ TUint ix;
+ for(ix=0; ix<2; ix++)
+ {
+ aDstAddr[ix]=KMulticastPrefix[ix];
+ }
+ for(ix=2; ix<6; ix++)
+ {
+ aDstAddr[ix]=header->iDestAddrB[ix+10];
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::Send
+// -----------------------------------------------------------------------------
+//
+MLowerDataSender::TSendResult CLanIp6Bearer::Send(RMBufChain& aPdu)
+{
+ // Check that we are allowed to send data
+ if (!Link()->BearerIsActive(this))
+ {
+ aPdu.Free();
+ return ESendBlocked;
+ }
+
+ RMBufPktInfo* info = RMBufPacket::PeekInfoInChain(aPdu);
+ TUint32 family = info->iDstAddr.Family();
+ __ASSERT_DEBUG(family!=KAfInet, User::Panic(KCLanIp6BearerName, 0));
+
+ TBuf8<KMACByteLength> destAddr;
+ destAddr.SetMax();
+
+ if(family == KAfInet6)
+ {
+ // Only multicast packets come here with address family KAfInet6,
+ // generate the ethernet address as described in RFC 2464, section 7.
+ ResolveMulticastIp6(destAddr, aPdu);
+ }
+ else if(family == 1)
+ {
+ // Address family == 1, ethernet address is found from info
+ destAddr.Copy(info->iDstAddr.Mid(sizeof(SSockAddr), KMACByteLength));
+ }
+ else
+ {
+ aPdu.Free();
+ return static_cast<MLowerDataSender::TSendResult>(1);
+ }
+
+ return static_cast<MLowerDataSender::TSendResult>(Link()->FrameSend(aPdu,destAddr,KIP6FrameType));
+}
+
+
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::WantsProtocol
+// -----------------------------------------------------------------------------
+//
+TBool CLanIp6Bearer::WantsProtocol(TUint16 aProtocolCode,const TUint8* aPayload)
+{
+ DEBUG("CLanIp6Bearer::WantsProtocol()");
+
+ return (aProtocolCode==KIP6FrameType && (aPayload[0]>>4)==KIP6Protocol) ? ETrue:EFalse;
+}
+
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::Process
+// -----------------------------------------------------------------------------
+//
+void CLanIp6Bearer::Process(RMBufChain& aPdu)
+{
+ DEBUG("CLanIp6Bearer::Process()");
+
+ if(iUpperReceiver)
+ {
+ iUpperReceiver->Process(aPdu);
+ }
+ else
+ {
+ aPdu.Free();
+ }
+}
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::UpdateMACAddr
+// -----------------------------------------------------------------------------
+//
+void CLanIp6Bearer::UpdateMACAddr()
+{
+ DEBUG("CLanIp6Bearer::UpdateMACAddr()");
+
+ TE64Addr myEuMac;
+ myEuMac.SetAddrFromEUI48(Link()->MacAddress().Ptr());
+ iEuiMac.SetAddress(myEuMac);
+}
+
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::ReadCommDbLanSettingsL
+// -----------------------------------------------------------------------------
+//
+void CLanIp6Bearer::ReadCommDbLanSettingsL()
+{
+ DEBUG("CLanIp6Bearer::ReadCommDbLanSettingsL()");
+
+ ASSERT(iProvision);
+ iPrimaryDns = iProvision->PrimaryDns();
+ iSecondaryDns = iProvision->SecondaryDns();
+}
+
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::GetConfig
+// -----------------------------------------------------------------------------
+//
+TInt CLanIp6Bearer::GetConfig(TBinderConfig& aConfig)
+ {
+ DEBUG("CLanIp6Bearer::GetConfig()");
+
+ TBinderConfig6& config = static_cast<TBinderConfig6&>(aConfig);
+
+ config.iFamily = KAfInet6;
+
+ config.iInfo.iFeatures = KIfNeedsND | KIfCanMulticast;
+ config.iInfo.iMtu = Link()->Mtu();
+ config.iInfo.iRMtu = Link()->Mtu();
+ config.iInfo.iSpeedMetric = Link()->SpeedMetric();
+
+ TEui64Addr& localId = TEui64Addr::Cast(config.iLocalId);
+ localId = iEuiMac;
+
+ // If required, configure static DNS addresses
+
+ if (!iPrimaryDns.IsUnspecified())
+ {
+ config.iNameSer1.SetAddress(iPrimaryDns);
+ if (!iSecondaryDns.IsUnspecified())
+ config.iNameSer2.SetAddress(iSecondaryDns);
+ }
+
+ return KErrNone;
+ }
+
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::ProtocolName
+// -----------------------------------------------------------------------------
+//
+const TDesC8& CLanIp6Bearer::ProtocolName() const
+/**
+Return the protocol name of this bearer
+
+Called from CLANLinkCommon
+*/
+ {
+ DEBUG("CLanIp6Bearer::ProtocolName()");
+
+ _LIT8(KProtocolName, "ip6");
+ return KProtocolName();
+ }
+// -----------------------------------------------------------------------------
+// CLanIp6Bearer::SetProvisionL
+// -----------------------------------------------------------------------------
+//
+void CLanIp6Bearer::SetProvisionL(const Meta::SMetaData* aProvision)
+ {
+ DEBUG("CLanIp6Bearer::SetProvisionL()");
+
+ if (iProvision == NULL)
+ {
+ iProvision = static_cast<const TLanIp6Provision*>(aProvision);
+ ReadCommDbLanSettingsL();
+ }
+ }
+