2 Copyright (c) 2006, Intel Corporation
3 All rights reserved. This program and the accompanying materials
4 are licensed and made available under the terms and conditions of the BSD License
5 which accompanies this distribution. The full text of the license may be found at
6 http://opensource.org/licenses/bsd-license.php
8 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
9 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
17 2000-Feb-09 M(f)J Genesis.
30 This routine calls undi to reset the nic.
33 snp - pointer to the snp driver structure
36 EFI_SUCCESSFUL for a successful completion
37 other for failed calls
41 snp
->cdb
.OpCode
= PXE_OPCODE_RESET
;
42 snp
->cdb
.OpFlags
= PXE_OPFLAGS_NOT_USED
;
43 snp
->cdb
.CPBsize
= PXE_CPBSIZE_NOT_USED
;
44 snp
->cdb
.DBsize
= PXE_DBSIZE_NOT_USED
;
45 snp
->cdb
.CPBaddr
= PXE_CPBADDR_NOT_USED
;
46 snp
->cdb
.DBaddr
= PXE_DBADDR_NOT_USED
;
47 snp
->cdb
.StatCode
= PXE_STATCODE_INITIALIZE
;
48 snp
->cdb
.StatFlags
= PXE_STATFLAGS_INITIALIZE
;
49 snp
->cdb
.IFnum
= snp
->if_num
;
50 snp
->cdb
.Control
= PXE_CONTROL_LAST_CDB_IN_LIST
;
53 // Issue UNDI command and check result.
55 DEBUG ((EFI_D_NET
, "\nsnp->undi.reset() "));
57 (*snp
->issue_undi32_command
) ((UINT64
) (UINTN
) &snp
->cdb
);
59 if (snp
->cdb
.StatCode
!= PXE_STATCODE_SUCCESS
) {
62 "\nsnp->undi32.reset() %xh:%xh\n",
68 // UNDI could not be reset. Return UNDI error.
70 return EFI_DEVICE_ERROR
;
79 IN EFI_SIMPLE_NETWORK_PROTOCOL
*this,
80 IN BOOLEAN ExtendedVerification
85 This is the SNP interface routine for resetting the NIC
86 This routine basically retrieves snp structure, checks the SNP state and
87 calls the pxe_reset routine to actually do the reset!
90 this - context pointer
91 ExtendedVerification - not implemented
100 // Resolve Warning 4 unreferenced parameter problem
102 ExtendedVerification
= 0;
105 return EFI_INVALID_PARAMETER
;
108 snp
= EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);
111 return EFI_DEVICE_ERROR
;
114 switch (snp
->mode
.State
) {
115 case EfiSimpleNetworkInitialized
:
118 case EfiSimpleNetworkStopped
:
119 return EFI_NOT_STARTED
;
121 case EfiSimpleNetworkStarted
:
122 return EFI_DEVICE_ERROR
;
125 return EFI_DEVICE_ERROR
;
128 return pxe_reset (snp
);