NetworkPkg: UefiPxeBcDxe: Add EXCLUSIVE attribute when opening SNP protocol installed...

[mirror_edk2.git] / NetworkPkg / UefiPxeBcDxe / PxeBcDhcp4.h

diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp4.h b/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp4.h
index 3aabaed088820f2b3abe0f17b6df5b53ed193988..742fdde5e772c5990a537a952cbba5fc1a2786c6 100644 (file)
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp4.h
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp4.h
@@ -1,7 +1,7 @@
 /** @file\r
   Functions declaration related with DHCPv4 for UefiPxeBc Driver.\r
 \r
-  Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
 \r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
@@ -18,7 +18,7 @@
 \r
 #define PXEBC_DHCP4_OPTION_MAX_NUM         16\r
 #define PXEBC_DHCP4_OPTION_MAX_SIZE        312\r
-#define PXEBC_DHCP4_PACKET_MAX_SIZE        1472\r
+#define PXEBC_DHCP4_PACKET_MAX_SIZE        (sizeof (EFI_PXE_BASE_CODE_PACKET))\r
 #define PXEBC_DHCP4_S_PORT                 67\r
 #define PXEBC_DHCP4_C_PORT                 68\r
 #define PXEBC_BS_DOWNLOAD_PORT             69\r
@@ -108,7 +108,7 @@ typedef enum {
 \r
 #define IS_VALID_BOOT_SERVERS(x) \\r
   ((((x)[0]) & BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS)) \\r
-   == BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS))  \r
+   == BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS))\r
 \r
 #define IS_VALID_BOOT_PROMPT(x) \\r
   ((((x)[0]) & BIT (PXEBC_VENDOR_TAG_MENU_PROMPT)) \\r
@@ -263,10 +263,12 @@ typedef struct {
   UINT8                 CredTypeLen;\r
 } PXEBC_VENDOR_OPTION;\r
 \r
+#define PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE  (OFFSET_OF (EFI_DHCP4_PACKET, Dhcp4) + PXEBC_DHCP4_PACKET_MAX_SIZE)\r
+\r
 typedef union {\r
   EFI_DHCP4_PACKET        Offer;\r
   EFI_DHCP4_PACKET        Ack;\r
-  UINT8                   Buffer[PXEBC_DHCP4_PACKET_MAX_SIZE];\r
+  UINT8                   Buffer[PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE];\r
 } PXEBC_DHCP4_PACKET;\r
 \r
 typedef struct {\r
@@ -344,7 +346,7 @@ PxeBcDhcp4Discover (
 \r
 **/\r
 EFI_STATUS\r
-PxeBcSetIp4Policy (   \r
+PxeBcSetIp4Policy (\r
   IN PXEBC_PRIVATE_DATA            *Private\r
   );\r
 \r