diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/NetworkPkg/DnsDxe/DnsDhcp.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/NetworkPkg/DnsDxe/DnsDhcp.h')
| -rw-r--r-- | roms/edk2/NetworkPkg/DnsDxe/DnsDhcp.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/roms/edk2/NetworkPkg/DnsDxe/DnsDhcp.h b/roms/edk2/NetworkPkg/DnsDxe/DnsDhcp.h new file mode 100644 index 000000000..7212ba0ce --- /dev/null +++ b/roms/edk2/NetworkPkg/DnsDxe/DnsDhcp.h @@ -0,0 +1,141 @@ +/** @file
+Functions implementation related with DHCPv4/v6 for DNS driver.
+
+Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _DNS_DHCP_H_
+#define _DNS_DHCP_H_
+
+//
+// DHCP DNS related
+//
+#pragma pack(1)
+
+#define IP4_ETHER_PROTO 0x0800
+
+#define DHCP4_OPCODE_REQUEST 1
+#define DHCP4_MAGIC 0x63538263 /// network byte order
+#define DHCP4_TAG_EOP 255 /// End Option
+
+#define DHCP4_TAG_TYPE 53
+#define DHCP4_MSG_REQUEST 3
+#define DHCP4_MSG_INFORM 8
+
+#define DHCP4_TAG_PARA_LIST 55
+#define DHCP4_TAG_DNS_SERVER 6
+
+
+#define DHCP6_TAG_DNS_REQUEST 6
+#define DHCP6_TAG_DNS_SERVER 23
+
+#define DNS_CHECK_MEDIA_GET_DHCP_WAITING_TIME EFI_TIMER_PERIOD_SECONDS(20)
+
+//
+// The required Dns4 server information.
+//
+typedef struct {
+ UINT32 *ServerCount;
+ EFI_IPv4_ADDRESS *ServerList;
+} DNS4_SERVER_INFOR;
+
+//
+// The required Dns6 server information.
+//
+typedef struct {
+ UINT32 *ServerCount;
+ EFI_IPv6_ADDRESS *ServerList;
+} DNS6_SERVER_INFOR;
+
+#pragma pack()
+
+/**
+ Parse the ACK to get required information
+
+ @param Dhcp4 The DHCP4 protocol.
+ @param Packet Packet waiting for parse.
+ @param DnsServerInfor The required Dns4 server information.
+
+ @retval EFI_SUCCESS The DNS information is got from the DHCP ACK.
+ @retval EFI_NO_MAPPING DHCP failed to acquire address and other information.
+ @retval EFI_DEVICE_ERROR Other errors as indicated.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+
+**/
+EFI_STATUS
+ParseDhcp4Ack (
+ IN EFI_DHCP4_PROTOCOL *Dhcp4,
+ IN EFI_DHCP4_PACKET *Packet,
+ IN DNS4_SERVER_INFOR *DnsServerInfor
+ );
+
+/**
+ EFI_DHCP6_INFO_CALLBACK is provided by the consumer of the EFI DHCPv6 Protocol
+ instance to intercept events that occurs in the DHCPv6 Information Request
+ exchange process.
+
+ @param This Pointer to the EFI_DHCP6_PROTOCOL instance that
+ is used to configure this callback function.
+ @param Context Pointer to the context that is initialized in
+ the EFI_DHCP6_PROTOCOL.InfoRequest().
+ @param Packet Pointer to Reply packet that has been received.
+ The EFI DHCPv6 Protocol instance is responsible
+ for freeing the buffer.
+
+ @retval EFI_SUCCESS The DNS information is got from the DHCP ACK.
+ @retval EFI_DEVICE_ERROR Other errors as indicated.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+**/
+EFI_STATUS
+EFIAPI
+ParseDhcp6Ack (
+ IN EFI_DHCP6_PROTOCOL *This,
+ IN VOID *Context,
+ IN EFI_DHCP6_PACKET *Packet
+ );
+
+/**
+ Parse the DHCP ACK to get Dns4 server information.
+
+ @param Instance The DNS instance.
+ @param DnsServerCount Retrieved Dns4 server Ip count.
+ @param DnsServerList Retrieved Dns4 server Ip list.
+
+ @retval EFI_SUCCESS The Dns4 information is got from the DHCP ACK.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+ @retval EFI_NO_MEDIA There was a media error.
+ @retval Others Other errors as indicated.
+
+**/
+EFI_STATUS
+GetDns4ServerFromDhcp4 (
+ IN DNS_INSTANCE *Instance,
+ OUT UINT32 *DnsServerCount,
+ OUT EFI_IPv4_ADDRESS **DnsServerList
+ );
+
+/**
+ Parse the DHCP ACK to get Dns6 server information.
+
+ @param Image The handle of the driver image.
+ @param Controller The handle of the controller.
+ @param DnsServerCount Retrieved Dns6 server Ip count.
+ @param DnsServerList Retrieved Dns6 server Ip list.
+
+ @retval EFI_SUCCESS The Dns6 information is got from the DHCP ACK.
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
+ @retval EFI_NO_MEDIA There was a media error.
+ @retval Others Other errors as indicated.
+
+**/
+EFI_STATUS
+GetDns6ServerFromDhcp6 (
+ IN EFI_HANDLE Image,
+ IN EFI_HANDLE Controller,
+ OUT UINT32 *DnsServerCount,
+ OUT EFI_IPv6_ADDRESS **DnsServerList
+ );
+
+#endif
|