diff options
| author | Liming Gao <liming.gao@intel.com> | 2019-05-15 20:02:18 +0800 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2019-05-27 09:25:18 +0800 |
| commit | 4542f8b8135f1f1ee5654e25139be9769e139ddd (patch) | |
| tree | 6e05d7c624d89b3df27d0d3437815a2587f0640f /NetworkPkg/SnpDxe/Reset.c | |
| parent | c0fd7f734e2d33e22215899b40a47b843129541d (diff) | |
| download | edk2-4542f8b8135f1f1ee5654e25139be9769e139ddd.tar.gz edk2-4542f8b8135f1f1ee5654e25139be9769e139ddd.tar.bz2 edk2-4542f8b8135f1f1ee5654e25139be9769e139ddd.zip | |
NetworkPkg: Move Network library and drivers from MdeModulePkg to NetworkPkg
Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>
Diffstat (limited to 'NetworkPkg/SnpDxe/Reset.c')
| -rw-r--r-- | NetworkPkg/SnpDxe/Reset.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/NetworkPkg/SnpDxe/Reset.c b/NetworkPkg/SnpDxe/Reset.c new file mode 100644 index 0000000000..3069bfde66 --- /dev/null +++ b/NetworkPkg/SnpDxe/Reset.c @@ -0,0 +1,130 @@ +/** @file
+ Implementation of resetting a network adapter.
+
+Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "Snp.h"
+
+
+/**
+ Call UNDI to reset the NIC.
+
+ @param Snp Pointer to the snp driver structure.
+
+ @return EFI_SUCCESSFUL The NIC was reset.
+ @retval EFI_DEVICE_ERROR The NIC cannot be reset.
+
+**/
+EFI_STATUS
+PxeReset (
+ SNP_DRIVER *Snp
+ )
+{
+ Snp->Cdb.OpCode = PXE_OPCODE_RESET;
+ Snp->Cdb.OpFlags = PXE_OPFLAGS_NOT_USED;
+ Snp->Cdb.CPBsize = PXE_CPBSIZE_NOT_USED;
+ Snp->Cdb.DBsize = PXE_DBSIZE_NOT_USED;
+ Snp->Cdb.CPBaddr = PXE_CPBADDR_NOT_USED;
+ Snp->Cdb.DBaddr = PXE_DBADDR_NOT_USED;
+ Snp->Cdb.StatCode = PXE_STATCODE_INITIALIZE;
+ Snp->Cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;
+ Snp->Cdb.IFnum = Snp->IfNum;
+ Snp->Cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;
+
+ //
+ // Issue UNDI command and check result.
+ //
+ DEBUG ((EFI_D_NET, "\nsnp->undi.reset() "));
+
+ (*Snp->IssueUndi32Command) ((UINT64)(UINTN) &Snp->Cdb);
+
+ if (Snp->Cdb.StatCode != PXE_STATCODE_SUCCESS) {
+ DEBUG (
+ (EFI_D_WARN,
+ "\nsnp->undi32.reset() %xh:%xh\n",
+ Snp->Cdb.StatFlags,
+ Snp->Cdb.StatCode)
+ );
+
+ //
+ // UNDI could not be reset. Return UNDI error.
+ //
+ return EFI_DEVICE_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Resets a network adapter and reinitializes it with the parameters that were
+ provided in the previous call to Initialize().
+
+ This function resets a network adapter and reinitializes it with the parameters
+ that were provided in the previous call to Initialize(). The transmit and
+ receive queues are emptied and all pending interrupts are cleared.
+ Receive filters, the station address, the statistics, and the multicast-IP-to-HW
+ MAC addresses are not reset by this call. If the network interface was
+ successfully reset, then EFI_SUCCESS will be returned. If the driver has not
+ been initialized, EFI_DEVICE_ERROR will be returned.
+
+ @param This A pointer to the EFI_SIMPLE_NETWORK_PROTOCOL instance.
+ @param ExtendedVerification Indicates that the driver may perform a more
+ exhaustive verification operation of the device
+ during reset.
+
+ @retval EFI_SUCCESS The network interface was reset.
+ @retval EFI_NOT_STARTED The network interface has not been started.
+ @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
+ @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
+ @retval EFI_UNSUPPORTED This function is not supported by the network interface.
+
+**/
+EFI_STATUS
+EFIAPI
+SnpUndi32Reset (
+ IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+{
+ SNP_DRIVER *Snp;
+ EFI_TPL OldTpl;
+ EFI_STATUS Status;
+
+ //
+ // Resolve Warning 4 unreferenced parameter problem
+ //
+ ExtendedVerification = 0;
+ DEBUG ((EFI_D_WARN, "ExtendedVerification = %d is not implemented!\n", ExtendedVerification));
+
+ if (This == 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 = PxeReset (Snp);
+
+ON_EXIT:
+ gBS->RestoreTPL (OldTpl);
+
+ return Status;
+}
|