X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=NetworkPkg%2FUefiPxeBcDxe%2FPxeBcSupport.c;h=60509fc9e61288097257cb19addf4fb2c2787e22;hb=233ffa90ccd852a8c6a478eb0426731d64598316;hp=47bb7c5dbbbcf12816c01ef9b1f4e9ea012b2fe7;hpb=3c06e6a9e28c5c1057ecf3b097a76e77474266c7;p=mirror_edk2.git
diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcSupport.c b/NetworkPkg/UefiPxeBcDxe/PxeBcSupport.c
index 47bb7c5dbb..60509fc9e6 100644
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcSupport.c
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcSupport.c
@@ -1,7 +1,7 @@
/** @file
Support functions implementation for UefiPxeBc Driver.
- Copyright (c) 2007 - 2017, Intel Corporation. All rights reserved.
+ Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -36,16 +36,18 @@ PxeBcFlushStationIp (
{
EFI_PXE_BASE_CODE_MODE *Mode;
EFI_STATUS Status;
+ EFI_ARP_CONFIG_DATA ArpConfigData;
Mode = Private->PxeBc.Mode;
Status = EFI_SUCCESS;
+ ZeroMem (&ArpConfigData, sizeof (EFI_ARP_CONFIG_DATA));
- if (Mode->UsingIpv6) {
-
- if (StationIp != NULL) {
- CopyMem (&Private->Udp6CfgData.StationAddress, StationIp, sizeof (EFI_IPv6_ADDRESS));
- CopyMem (&Private->Ip6CfgData.StationAddress, StationIp, sizeof (EFI_IPv6_ADDRESS));
- }
+ if (Mode->UsingIpv6 && StationIp != NULL) {
+ //
+ // Overwrite Udp6CfgData/Ip6CfgData StationAddress.
+ //
+ CopyMem (&Private->Udp6CfgData.StationAddress, StationIp, sizeof (EFI_IPv6_ADDRESS));
+ CopyMem (&Private->Ip6CfgData.StationAddress, StationIp, sizeof (EFI_IPv6_ADDRESS));
//
// Reconfigure the Ip6 instance to capture background ICMP6 packets with new station Ip address.
@@ -61,27 +63,55 @@ PxeBcFlushStationIp (
Status = Private->Ip6->Receive (Private->Ip6, &Private->Icmp6Token);
} else {
if (StationIp != NULL) {
+ //
+ // Reconfigure the ARP instance with station Ip address.
+ //
+ ArpConfigData.SwAddressType = 0x0800;
+ ArpConfigData.SwAddressLength = (UINT8) sizeof (EFI_IPv4_ADDRESS);
+ ArpConfigData.StationAddress = StationIp;
+
+ Private->Arp->Configure (Private->Arp, NULL);
+ Private->Arp->Configure (Private->Arp, &ArpConfigData);
+
+ //
+ // Overwrite Udp4CfgData/Ip4CfgData StationAddress.
+ //
CopyMem (&Private->Udp4CfgData.StationAddress, StationIp, sizeof (EFI_IPv4_ADDRESS));
CopyMem (&Private->Ip4CfgData.StationAddress, StationIp, sizeof (EFI_IPv4_ADDRESS));
}
-
+
if (SubnetMask != NULL) {
+ //
+ // Overwrite Udp4CfgData/Ip4CfgData SubnetMask.
+ //
CopyMem (&Private->Udp4CfgData.SubnetMask, SubnetMask, sizeof (EFI_IPv4_ADDRESS));
CopyMem (&Private->Ip4CfgData.SubnetMask, SubnetMask, sizeof (EFI_IPv4_ADDRESS));
}
- //
- // Reconfigure the Ip4 instance to capture background ICMP packets with new station Ip address.
- //
- Private->Ip4->Cancel (Private->Ip4, &Private->IcmpToken);
- Private->Ip4->Configure (Private->Ip4, NULL);
-
- Status = Private->Ip4->Configure (Private->Ip4, &Private->Ip4CfgData);
- if (EFI_ERROR (Status)) {
- goto ON_EXIT;
+ if (StationIp != NULL && SubnetMask != NULL) {
+ //
+ // Updated the route table.
+ //
+ Mode->RouteTableEntries = 1;
+ Mode->RouteTable[0].IpAddr.Addr[0] = StationIp->Addr[0] & SubnetMask->Addr[0];
+ Mode->RouteTable[0].SubnetMask.Addr[0] = SubnetMask->Addr[0];
+ Mode->RouteTable[0].GwAddr.Addr[0] = 0;
}
- Status = Private->Ip4->Receive (Private->Ip4, &Private->IcmpToken);
+ if (StationIp != NULL || SubnetMask != NULL) {
+ //
+ // Reconfigure the Ip4 instance to capture background ICMP packets with new station Ip address.
+ //
+ Private->Ip4->Cancel (Private->Ip4, &Private->IcmpToken);
+ Private->Ip4->Configure (Private->Ip4, NULL);
+
+ Status = Private->Ip4->Configure (Private->Ip4, &Private->Ip4CfgData);
+ if (EFI_ERROR (Status)) {
+ goto ON_EXIT;
+ }
+
+ Status = Private->Ip4->Receive (Private->Ip4, &Private->IcmpToken);
+ }
}
ON_EXIT:
@@ -276,7 +306,7 @@ PxeBcIcmpErrorDpcHandle (
//
goto ON_RECYCLE;
}
-
+
//
// The protocol has been configured to only receive ICMP packet.
//
@@ -452,7 +482,7 @@ PxeBcIcmp6ErrorDpcHandle (
ON_RECYCLE:
gBS->SignalEvent (RxData->RecycleSignal);
-
+
ON_EXIT:
Private->Icmp6Token.Status = EFI_NOT_READY;
Ip6->Receive (Ip6, &Private->Icmp6Token);
@@ -487,7 +517,7 @@ PxeBcIcmp6ErrorUpdate (
@param[in, out] SrcPort The pointer to the source port.
@param[in] DoNotFragment If TRUE, fragment is not enabled.
Otherwise, fragment is enabled.
- @param[in] Ttl The time to live field of the IP header.
+ @param[in] Ttl The time to live field of the IP header.
@param[in] ToS The type of service field of the IP header.
@retval EFI_SUCCESS Successfully configured this instance.