diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:35:43 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:35:43 +0000 |
| commit | f9a088de4c51712ed689c013f69f42ad94a65063 (patch) | |
| tree | 3b15209bb31c9ec1006211be871692272fcd41fc /MdeModulePkg/Universal/Network/SnpDxe/Mcast_ip_to_mac.c | |
| parent | c74593cd394ae2135d910915a6a455e0a5cea221 (diff) | |
| download | edk2-platforms-f9a088de4c51712ed689c013f69f42ad94a65063.tar.xz | |
rename
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4722 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/Network/SnpDxe/Mcast_ip_to_mac.c')
| -rw-r--r-- | MdeModulePkg/Universal/Network/SnpDxe/Mcast_ip_to_mac.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Mcast_ip_to_mac.c b/MdeModulePkg/Universal/Network/SnpDxe/Mcast_ip_to_mac.c new file mode 100644 index 0000000000..91b5e02fc1 --- /dev/null +++ b/MdeModulePkg/Universal/Network/SnpDxe/Mcast_ip_to_mac.c @@ -0,0 +1,165 @@ +/** @file
+Copyright (c) 2004 - 2007, 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
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module name:
+ mcast_ip_to_mac.c
+
+Abstract:
+
+Revision history:
+ 2000-Feb-17 M(f)J Genesis.
+
+**/
+
+#include "Snp.h"
+
+/**
+ this routine calls undi to convert an multicast IP address to a MAC address
+
+ @param snp pointer to snp driver structure
+ @param IPv6 flag to indicate if this is an ipv6 address
+ @param IP multicast IP address
+ @param MAC pointer to hold the return MAC address
+
+
+**/
+STATIC
+EFI_STATUS
+pxe_ip2mac (
+ IN SNP_DRIVER *snp,
+ IN BOOLEAN IPv6,
+ IN EFI_IP_ADDRESS *IP,
+ IN OUT EFI_MAC_ADDRESS *MAC
+ )
+{
+ PXE_CPB_MCAST_IP_TO_MAC *cpb;
+ PXE_DB_MCAST_IP_TO_MAC *db;
+
+ cpb = snp->cpb;
+ db = snp->db;
+ snp->cdb.OpCode = PXE_OPCODE_MCAST_IP_TO_MAC;
+ snp->cdb.OpFlags = (UINT16) (IPv6 ? PXE_OPFLAGS_MCAST_IPV6_TO_MAC : PXE_OPFLAGS_MCAST_IPV4_TO_MAC);
+ snp->cdb.CPBsize = sizeof (PXE_CPB_MCAST_IP_TO_MAC);
+ snp->cdb.DBsize = sizeof (PXE_DB_MCAST_IP_TO_MAC);
+
+ snp->cdb.CPBaddr = (UINT64)(UINTN) cpb;
+ snp->cdb.DBaddr = (UINT64)(UINTN) db;
+
+ snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;
+ snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;
+ snp->cdb.IFnum = snp->if_num;
+ snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;
+
+ CopyMem (&cpb->IP, IP, sizeof (PXE_IP_ADDR));
+
+ //
+ // Issue UNDI command and check result.
+ //
+ DEBUG ((EFI_D_NET, "\nsnp->undi.mcast_ip_to_mac() "));
+
+ (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);
+
+ switch (snp->cdb.StatCode) {
+ case PXE_STATCODE_SUCCESS:
+ break;
+
+ case PXE_STATCODE_INVALID_CPB:
+ return EFI_INVALID_PARAMETER;
+
+ case PXE_STATCODE_UNSUPPORTED:
+ DEBUG (
+ (EFI_D_NET,
+ "\nsnp->undi.mcast_ip_to_mac() %xh:%xh\n",
+ snp->cdb.StatFlags,
+ snp->cdb.StatCode)
+ );
+ return EFI_UNSUPPORTED;
+
+ default:
+ //
+ // UNDI command failed. Return EFI_DEVICE_ERROR
+ // to caller.
+ //
+ DEBUG (
+ (EFI_D_NET,
+ "\nsnp->undi.mcast_ip_to_mac() %xh:%xh\n",
+ snp->cdb.StatFlags,
+ snp->cdb.StatCode)
+ );
+
+ return EFI_DEVICE_ERROR;
+ }
+
+ CopyMem (MAC, &db->MAC, sizeof (PXE_MAC_ADDR));
+ return EFI_SUCCESS;
+}
+
+
+/**
+ This is the SNP interface routine for converting a multicast IP address to
+ a MAC address.
+ This routine basically retrieves snp structure, checks the SNP state and
+ calls the pxe_ip2mac routine to actually do the conversion
+
+ @param this context pointer
+ @param IPv6 flag to indicate if this is an ipv6 address
+ @param IP multicast IP address
+ @param MAC pointer to hold the return MAC address
+
+
+**/
+EFI_STATUS
+EFIAPI
+snp_undi32_mcast_ip_to_mac (
+ IN EFI_SIMPLE_NETWORK_PROTOCOL *this,
+ IN BOOLEAN IPv6,
+ IN EFI_IP_ADDRESS *IP,
+ OUT EFI_MAC_ADDRESS *MAC
+ )
+{
+ SNP_DRIVER *snp;
+ EFI_TPL OldTpl;
+ EFI_STATUS Status;
+
+ //
+ // Get pointer to SNP driver instance for *this.
+ //
+ if (this == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (IP == NULL || MAC == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);
+
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+
+ switch (snp->mode.State) {
+ case EfiSimpleNetworkInitialized:
+ break;
+
+ case EfiSimpleNetworkStopped:
+ Status = EFI_NOT_STARTED;
+ goto ON_EXIT;
+
+ default:
+ Status = EFI_DEVICE_ERROR;
+ goto ON_EXIT;
+ }
+
+ Status = pxe_ip2mac (snp, IPv6, IP, MAC);
+
+ON_EXIT:
+ gBS->RestoreTPL (OldTpl);
+
+ return Status;
+}
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