2 Copyright (c) 2004 - 2007, 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.
25 this routine calls undi to stop the interface and changes the snp state
27 @param snp pointer to snp driver structure
36 snp
->cdb
.OpCode
= PXE_OPCODE_STOP
;
37 snp
->cdb
.OpFlags
= PXE_OPFLAGS_NOT_USED
;
38 snp
->cdb
.CPBsize
= PXE_CPBSIZE_NOT_USED
;
39 snp
->cdb
.DBsize
= PXE_DBSIZE_NOT_USED
;
40 snp
->cdb
.CPBaddr
= PXE_CPBADDR_NOT_USED
;
41 snp
->cdb
.DBaddr
= PXE_DBADDR_NOT_USED
;
42 snp
->cdb
.StatCode
= PXE_STATCODE_INITIALIZE
;
43 snp
->cdb
.StatFlags
= PXE_STATFLAGS_INITIALIZE
;
44 snp
->cdb
.IFnum
= snp
->if_num
;
45 snp
->cdb
.Control
= PXE_CONTROL_LAST_CDB_IN_LIST
;
50 DEBUG ((EFI_D_NET
, "\nsnp->undi.stop() "));
52 (*snp
->issue_undi32_command
) ((UINT64
)(UINTN
) &snp
->cdb
);
54 if (snp
->cdb
.StatCode
!= PXE_STATCODE_SUCCESS
) {
57 "\nsnp->undi.stop() %xh:%xh\n",
62 return EFI_DEVICE_ERROR
;
65 // Set simple network state to Started and return success.
67 snp
->mode
.State
= EfiSimpleNetworkStopped
;
73 This is the SNP interface routine for stopping the interface.
74 This routine basically retrieves snp structure, checks the SNP state and
75 calls the pxe_stop routine to actually stop the undi interface
77 @param this context pointer
84 IN EFI_SIMPLE_NETWORK_PROTOCOL
*this
92 return EFI_INVALID_PARAMETER
;
95 snp
= EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);
97 OldTpl
= gBS
->RaiseTPL (TPL_CALLBACK
);
99 switch (snp
->mode
.State
) {
100 case EfiSimpleNetworkStarted
:
103 case EfiSimpleNetworkStopped
:
104 Status
= EFI_NOT_STARTED
;
108 Status
= EFI_DEVICE_ERROR
;
112 Status
= pxe_stop (snp
);
115 gBS
->RestoreTPL (OldTpl
);