Hi Naveen, The patch has been committed:
SHA-1: 8c5f78a2cc15199e3f77ae4b156023af366fd6c7 * MdeModulePkg: Support classless IP for DHCPv4 TransmitReceive() Thanks, Jiaxin > -----Original Message----- > From: Santhapur Naveen [mailto:[email protected]] > Sent: Friday, September 2, 2016 2:16 PM > To: Wu, Jiaxin <[email protected]>; [email protected] > Cc: Ye, Ting <[email protected]>; Fu, Siyuan <[email protected]> > Subject: RE: [edk2] [Patch] MdeModulePkg: Support classless IP for DHCPv4 > TransmitReceive() > > Hello Jiaxin, > > My sincere apologies for the delayed response. > > I've verified the patch from my side and PXE boot is happening > successfully even in classless IP network. > > May I know whether this will be included in EDK2? If yes, can you > please provide any schedule for the same? > > Best regards, > Naveen > > -----Original Message----- > From: Santhapur Naveen > Sent: Thursday, August 18, 2016 11:14 AM > To: 'Wu, Jiaxin'; [email protected] > Cc: Ye, Ting; Fu, Siyuan; Sivaraman Nainar; Madhan B. Santharam > Subject: RE: [edk2] [Patch] MdeModulePkg: Support classless IP for DHCPv4 > TransmitReceive() > > Jiaxin, > > We will verify the patch and update you the result. > > Thanks, > Naveen > > -----Original Message----- > From: Wu, Jiaxin [mailto:[email protected]] > Sent: Thursday, August 18, 2016 11:12 AM > To: Santhapur Naveen; Wu, Jiaxin; [email protected] > Cc: Ye, Ting; Fu, Siyuan; Sivaraman Nainar; Madhan B. Santharam > Subject: RE: [edk2] [Patch] MdeModulePkg: Support classless IP for DHCPv4 > TransmitReceive() > > Naveen, > > Can you help to verify this patch to support the classless IP. > > Thanks, > Jiaxin > > > -----Original Message----- > > From: edk2-devel [mailto:[email protected]] On Behalf Of > > Jiaxin Wu > > Sent: Thursday, August 18, 2016 1:39 PM > > To: [email protected] > > Cc: Ye, Ting <[email protected]>; Fu, Siyuan <[email protected]>; > > Santhapur Naveen <[email protected]> > > Subject: [edk2] [Patch] MdeModulePkg: Support classless IP for DHCPv4 > > TransmitReceive() > > > > The IP address should not be treated as classful one if DHCP options > > contain a classless IP with its true subnet mask. Otherwise, DHCPv4 > > TransmitReceive() will failed. This real subnet mask will be parsed > > and recorded in DhcpSb->Netmask. So, we need check it before get the > > IP's corresponding subnet mask. > > > > Cc: Santhapur Naveen <[email protected]> > > Cc: Ye Ting <[email protected]> > > Cc: Fu Siyuan <[email protected]> > > Contributed-under: TianoCore Contribution Agreement 1.0 > > Signed-off-by: Jiaxin Wu <[email protected]> > > --- > > .../Universal/Network/Dhcp4Dxe/Dhcp4Impl.c | 28 > +++++++++++++++- > > ------ > > 1 file changed, 20 insertions(+), 8 deletions(-) > > > > diff --git a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c > > b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c > > index 4f491b4..79f7cde 100644 > > --- a/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c > > +++ b/MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Impl.c > > @@ -1,9 +1,9 @@ > > /** @file > > This file implement the EFI_DHCP4_PROTOCOL interface. > > > > -Copyright (c) 2006 - 2015, Intel Corporation. All rights > > reserved.<BR> > > +Copyright (c) 2006 - 2016, Intel Corporation. All rights > > +reserved.<BR> > > This program and the accompanying materials are licensed and made > > available under the terms and conditions of the BSD License which > > accompanies this distribution. The full text of the license may be > > found at http://opensource.org/licenses/bsd-license.php > > > > @@ -1186,18 +1186,20 @@ Dhcp4InstanceConfigUdpIo ( > > IN UDP_IO *UdpIo, > > IN VOID *Context > > ) > > { > > DHCP_PROTOCOL *Instance; > > + DHCP_SERVICE *DhcpSb; > > EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN *Token; > > EFI_UDP4_CONFIG_DATA UdpConfigData; > > IP4_ADDR ClientAddr; > > IP4_ADDR Ip; > > INTN Class; > > IP4_ADDR SubnetMask; > > > > Instance = (DHCP_PROTOCOL *) Context; > > + DhcpSb = Instance->Service; > > Token = Instance->Token; > > > > ZeroMem (&UdpConfigData, sizeof (EFI_UDP4_CONFIG_DATA)); > > > > UdpConfigData.AcceptBroadcast = TRUE; > > @@ -1206,14 +1208,19 @@ Dhcp4InstanceConfigUdpIo ( > > UdpConfigData.DoNotFragment = TRUE; > > > > ClientAddr = EFI_NTOHL (Token->Packet->Dhcp4.Header.ClientAddr); > > Ip = HTONL (ClientAddr); > > CopyMem (&UdpConfigData.StationAddress, &Ip, sizeof > > (EFI_IPv4_ADDRESS)); > > - > > - Class = NetGetIpClass (ClientAddr); > > - ASSERT (Class < IP4_ADDR_CLASSE); > > - SubnetMask = gIp4AllMasks[Class << 3]; > > + > > + if (DhcpSb->Netmask == 0) { > > + Class = NetGetIpClass (ClientAddr); > > + ASSERT (Class < IP4_ADDR_CLASSE); > > + SubnetMask = gIp4AllMasks[Class << 3]; } else { > > + SubnetMask = DhcpSb->Netmask; > > + } > > + > > Ip = HTONL (SubnetMask); > > CopyMem (&UdpConfigData.SubnetMask, &Ip, sizeof > > (EFI_IPv4_ADDRESS)); > > > > if ((Token->ListenPointCount == 0) || > > (Token->ListenPoints[0].ListenPort > > == 0)) { > > UdpConfigData.StationPort = DHCP_CLIENT_PORT; @@ -1574,16 > > +1581,21 @@ EfiDhcp4TransmitReceive ( > > EndPoint.RemotePort = DHCP_SERVER_PORT; > > } else { > > EndPoint.RemotePort = Token->RemotePort; > > } > > > > + if (DhcpSb->Netmask == 0) { > > + Class = NetGetIpClass (ClientAddr); > > + ASSERT (Class < IP4_ADDR_CLASSE); > > + SubnetMask = gIp4AllMasks[Class << 3]; } else { > > + SubnetMask = DhcpSb->Netmask; > > + } > > + > > // > > // Get the gateway. > > // > > - Class = NetGetIpClass (ClientAddr); > > - ASSERT (Class < IP4_ADDR_CLASSE); > > - SubnetMask = gIp4AllMasks[Class << 3]; > > ZeroMem (&Gateway, sizeof (Gateway)); > > if (!IP4_NET_EQUAL (ClientAddr, EndPoint.RemoteAddr.Addr[0], > > SubnetMask)) { > > CopyMem (&Gateway.v4, &Token->GatewayAddress, sizeof > > (EFI_IPv4_ADDRESS)); > > Gateway.Addr[0] = NTOHL (Gateway.Addr[0]); > > } > > -- > > 1.9.5.msysgit.1 > > > > _______________________________________________ > > edk2-devel mailing list > > [email protected] > > https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

