diff options
Diffstat (limited to 'EdkModulePkg/Universal/Network/PxeDhcp4/Dxe/PxeDhcp4Run.c')
| -rw-r--r-- | EdkModulePkg/Universal/Network/PxeDhcp4/Dxe/PxeDhcp4Run.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/EdkModulePkg/Universal/Network/PxeDhcp4/Dxe/PxeDhcp4Run.c b/EdkModulePkg/Universal/Network/PxeDhcp4/Dxe/PxeDhcp4Run.c deleted file mode 100644 index 4f7ce44a01..0000000000 --- a/EdkModulePkg/Universal/Network/PxeDhcp4/Dxe/PxeDhcp4Run.c +++ /dev/null @@ -1,191 +0,0 @@ -/*++
-
-Copyright (c) 2006 - 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:
- PxeDhcp4Run.c
-
-Abstract:
- Simplified entry point for starting basic PxeDhcp4 client operation.
-
---*/
-
-
-#include "PxeDhcp4.h"
-
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
-EFI_STATUS
-EFIAPI
-PxeDhcp4Run (
- IN EFI_PXE_DHCP4_PROTOCOL *This,
- IN OPTIONAL UINTN OpLen,
- IN OPTIONAL VOID *OpList
- )
-{
- PXE_DHCP4_PRIVATE_DATA *Private;
- DHCP4_PACKET *offer_list;
- EFI_STATUS efi_status;
- EFI_IP_ADDRESS zero_ip;
- UINTN offers;
- UINTN timeout;
- UINTN n;
- UINT16 seconds;
-
- //
- // Validate parameters.
- //
- if (This == NULL || (OpLen != 0 && OpList == NULL) || (OpLen == 0 && OpList != NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- for (n = 0; n < OpLen;) {
- switch (((UINT8 *) OpList)[n]) {
- case DHCP4_PAD:
- ++n;
- continue;
-
- case DHCP4_END:
- ++n;
- break;
-
- default:
- n += 2 + ((UINT8 *) OpList)[n + 1];
- continue;
- }
-
- break;
- }
-
- if (n != OpLen) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // Get pointer to instance data.
- //
- Private = PXE_DHCP4_PRIVATE_DATA_FROM_THIS (This);
-
- if (Private == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (Private->PxeBc == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Initialize DHCP discover packet.
- //
- efi_status = PxeDhcp4Setup (This, NULL);
-
- if (EFI_ERROR (efi_status)) {
- return efi_status;
- }
-
- for (n = 0; n < OpLen;) {
- switch (((UINT8 *) OpList)[n]) {
- case DHCP4_PAD:
- ++n;
- continue;
-
- case DHCP4_END:
- ++n;
- break;
-
- default:
- efi_status = add_opt (
- &This->Data->Discover,
- (DHCP4_OP *) &(((UINT8 *) OpList)[n])
- );
-
- if (EFI_ERROR (efi_status)) {
- return efi_status;
- }
-
- n += 2 + ((UINT8 *) OpList)[n + 1];
- continue;
- }
-
- break;
- }
- //
- // Basic DHCP D.O.R.A.
- // 1, 2, 4, 8, 16 & 32 second timeouts.
- // Callback routine can be used to break out earlier.
- //
- ZeroMem (&zero_ip, sizeof (EFI_IP_ADDRESS));
-
- for (timeout = 1;;) {
- //
- // Broadcast DHCP discover and wait for DHCP offers.
- //
- efi_status = PxeDhcp4Init (This, timeout, &offers, &offer_list);
-
- if ((efi_status != EFI_NO_RESPONSE) &&
- (efi_status != EFI_TIMEOUT) &&
- (efi_status != EFI_SUCCESS)) {
- return efi_status;
- }
- //
- // Try to select from each DHCP or BOOTP offer.
- //
- for (n = 0; n < offers; ++n) {
- //
- // Ignore proxyDHCP offers.
- //
- if (!CompareMem (&offer_list[n].dhcp4.yiaddr, &zero_ip, 4)) {
- continue;
- }
- //
- // Issue DHCP Request and wait for DHCP Ack/Nak.
- //
- efi_status = PxeDhcp4Select (
- This,
- timeout,
- &offer_list[n]
- );
-
- if (EFI_ERROR (efi_status)) {
- continue;
- }
- //
- // Exit when we have got our DHCP Ack.
- //
- if (This->Data->IsAck) {
- return EFI_SUCCESS;
- }
- }
- //
- // No DHCP Acks. Release DHCP Offer list storage.
- //
- if (offer_list != NULL) {
- FreePool (offer_list);
- offer_list = NULL;
- }
- //
- // Try again until we have used up >= DHCP4_MAX_SECONDS.
- //
- if ((timeout <<= 1) > DHCP4_MAX_SECONDS) {
- if (!EFI_ERROR (efi_status)) {
- efi_status = EFI_TIMEOUT;
- }
-
- return efi_status;
- }
- //
- // Next timeout value.
- //
- CopyMem (&seconds, &This->Data->Discover.dhcp4.secs, 2);
-
- seconds = htons (htons (seconds) + timeout);
-
- CopyMem (&This->Data->Discover.dhcp4.secs, &seconds, 2);
- }
-}
-
-/* eof - PxeDhcp4Run.c */
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