[mirror_edk2.git] / NetworkPkg / Ip6Dxe / Ip6Common.h

/** @file\r
  Common definition and functions for IP6 driver.\r
\r
  Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef __EFI_IP6_COMMON_H__\r
#define __EFI_IP6_COMMON_H__\r
\r
#define IP6_LINK_EQUAL(Mac1, Mac2) (CompareMem ((Mac1), (Mac2), sizeof (EFI_MAC_ADDRESS)) == 0)\r
\r
//\r
// Convert the Microsecond to second. IP transmit/receive time is\r
// in the unit of microsecond. IP ticks once per second.\r
//\r
#define IP6_US_TO_SEC(Us)              (((Us) + 999999) / 1000000)\r
\r
#define IP6_ETHER_PROTO                0x86DD\r
\r
#define IP6_MAC_LEN                    6\r
#define IP6_IF_ID_LEN                  8\r
\r
#define IP6_INTERFACE_LOCAL_SCOPE      1\r
#define IP6_LINK_LOCAL_SCOPE           2\r
#define IP6_SITE_LOCAL_SCOPE           5\r
\r
#define IP6_INFINIT_LIFETIME           0xFFFFFFFF\r
\r
#define IP6_HOP_LIMIT                  255\r
//\r
// Make it to 64 since all 54 bits are zero.\r
//\r
#define IP6_LINK_LOCAL_PREFIX_LENGTH   64\r
\r
#define IP6_TIMER_INTERVAL_IN_MS       100\r
#define IP6_ONE_SECOND_IN_MS           1000\r
\r
//\r
// The packet is received as link level broadcast/multicast/promiscuous.\r
//\r
#define IP6_LINK_BROADCAST             0x00000001\r
#define IP6_LINK_MULTICAST             0x00000002\r
#define IP6_LINK_PROMISC               0x00000004\r
\r
#define IP6_U_BIT                      0x02\r
\r
typedef enum {\r
  Ip6Promiscuous                     = 1,\r
  Ip6Unicast,\r
  Ip6Multicast,\r
  Ip6AnyCast\r
} IP6_ADDRESS_TYPE;\r
\r
typedef struct {\r
  EFI_SERVICE_BINDING_PROTOCOL  *ServiceBinding;\r
  EFI_IPv6_ADDRESS              *Address;\r
} IP6_DESTROY_CHILD_BY_ADDR_CALLBACK_CONTEXT;\r
\r
typedef struct _IP6_INTERFACE    IP6_INTERFACE;\r
typedef struct _IP6_PROTOCOL     IP6_PROTOCOL;\r
typedef struct _IP6_SERVICE      IP6_SERVICE;\r
typedef struct _IP6_ADDRESS_INFO IP6_ADDRESS_INFO;\r
\r
/**\r
  Build a array of EFI_IP6_ADDRESS_INFO to be returned to the caller. The number\r
  of EFI_IP6_ADDRESS_INFO is also returned. If AddressList is NULL,\r
  only the address count is returned.\r
\r
  @param[in]  IpSb              The IP6 service binding instance.\r
  @param[out] AddressCount      The number of returned addresses.\r
  @param[out] AddressList       The pointer to the array of EFI_IP6_ADDRESS_INFO.\r
                                This is an optional parameter.\r
\r
\r
  @retval EFI_SUCCESS           The address array is successfully build\r
  @retval EFI_OUT_OF_RESOURCES  Failed to allocate the memory for the address info.\r
  @retval EFI_INVALID_PARAMETER Any input parameter is invalid.\r
\r
**/\r
EFI_STATUS\r
Ip6BuildEfiAddressList (\r
  IN IP6_SERVICE            *IpSb,\r
  OUT UINT32                *AddressCount,\r
  OUT EFI_IP6_ADDRESS_INFO  **AddressList OPTIONAL\r
  );\r
\r
/**\r
  Generate the multicast addresses identify the group of all IPv6 nodes or IPv6\r
  routers defined in RFC4291.\r
\r
  All Nodes Addresses: FF01::1, FF02::1.\r
  All Router Addresses: FF01::2, FF02::2, FF05::2.\r
\r
  @param[in]  Router            If TRUE, generate all routers addresses,\r
                                else generate all node addresses.\r
  @param[in]  Scope             interface-local(1), link-local(2), or site-local(5)\r
  @param[out] Ip6Addr           The generated multicast address.\r
\r
  @retval EFI_INVALID_PARAMETER Any input parameter is invalid.\r
  @retval EFI_SUCCESS           The address is generated.\r
\r
**/\r
EFI_STATUS\r
Ip6SetToAllNodeMulticast (\r
  IN  BOOLEAN          Router,\r
  IN  UINT8            Scope,\r
  OUT EFI_IPv6_ADDRESS *Ip6Addr\r
  );\r
\r
/**\r
  This function converts MAC address to 64 bits interface ID according to RFC4291\r
  and returns the interface ID. Currently only 48-bit MAC address is supported by\r
  this function.\r
\r
  @param[in, out]  IpSb      The IP6 service binding instance.\r
\r
  @retval          NULL      The operation fails.\r
  @return                    Pointer to the generated interface ID.\r
\r
**/\r
UINT8 *\r
Ip6CreateInterfaceID (\r
  IN OUT IP6_SERVICE         *IpSb\r
  );\r
\r
/**\r
  This function creates link-local address from interface identifier. The\r
  interface identifier is normally created from MAC address. It might be manually\r
  configured by administrator if the link-local address created from MAC address\r
  is a duplicate address.\r
\r
  @param[in, out]  IpSb      The IP6 service binding instance.\r
\r
  @retval          NULL      If the operation fails.\r
  @return                    The generated Link Local address, in network order.\r
\r
**/\r
EFI_IPv6_ADDRESS *\r
Ip6CreateLinkLocalAddr (\r
  IN OUT IP6_SERVICE         *IpSb\r
  );\r
\r
/**\r
  Compute the solicited-node multicast address for an unicast or anycast address,\r
  by taking the low-order 24 bits of this address, and appending those bits to\r
  the prefix FF02:0:0:0:0:1:FF00::/104.\r
\r
  @param  Ip6Addr               The unicast or anycast address, in network order.\r
  @param  MulticastAddr         The generated solicited-node multicast address,\r
                                in network order.\r
\r
**/\r
VOID\r
Ip6CreateSNMulticastAddr (\r
  IN EFI_IPv6_ADDRESS  *Ip6Addr,\r
  OUT EFI_IPv6_ADDRESS *MulticastAddr\r
  );\r
\r
/**\r
  Check whether the incoming Ipv6 address is a solicited-node multicast address.\r
\r
  @param[in]  Ip6               Ip6 address, in network order.\r
\r
  @retval TRUE                  Yes, solicited-node multicast address\r
  @retval FALSE                 No\r
\r
**/\r
BOOLEAN\r
Ip6IsSNMulticastAddr (\r
  IN EFI_IPv6_ADDRESS *Ip6\r
  );\r
\r
/**\r
  Check whether the incoming IPv6 address is one of the maintained address in\r
  the IP6 service binding instance.\r
\r
  @param[in]  IpSb              Points to a IP6 service binding instance\r
  @param[in]  Address           The IP6 address to be checked.\r
  @param[out] Interface         If not NULL, output the IP6 interface which\r
                                maintains the Address.\r
  @param[out] AddressInfo       If not NULL, output the IP6 address information\r
                                of the Address.\r
\r
  @retval TRUE                  Yes, it is one of the maintained addresses.\r
  @retval FALSE                 No, it is not one of the maintained addresses.\r
\r
**/\r
BOOLEAN\r
Ip6IsOneOfSetAddress (\r
  IN  IP6_SERVICE           *IpSb,\r
  IN  EFI_IPv6_ADDRESS      *Address,\r
  OUT IP6_INTERFACE         **Interface   OPTIONAL,\r
  OUT IP6_ADDRESS_INFO      **AddressInfo OPTIONAL\r
  );\r
\r
/**\r
  Check whether the incoming MAC address is valid.\r
\r
  @param[in]  IpSb              Points to a IP6 service binding instance.\r
  @param[in]  LinkAddress       The MAC address.\r
\r
  @retval TRUE                  Yes, it is valid.\r
  @retval FALSE                 No, it is not valid.\r
\r
**/\r
BOOLEAN\r
Ip6IsValidLinkAddress (\r
  IN  IP6_SERVICE      *IpSb,\r
  IN  EFI_MAC_ADDRESS  *LinkAddress\r
  );\r
\r
\r
/**\r
  Copy the PrefixLength bits from Src to Dest.\r
\r
  @param[out] Dest              A pointer to the buffer to copy to.\r
  @param[in]  Src               A pointer to the buffer to copy from.\r
  @param[in]  PrefixLength      The number of bits to copy.\r
\r
**/\r
VOID\r
Ip6CopyAddressByPrefix (\r
  OUT EFI_IPv6_ADDRESS *Dest,\r
  IN  EFI_IPv6_ADDRESS *Src,\r
  IN  UINT8            PrefixLength\r
  );\r
\r
/**\r
  Insert a node IP6_ADDRESS_INFO to an IP6 interface.\r
\r
  @param[in, out]  IpIf             Points to an IP6 interface.\r
  @param[in]       AddrInfo         Points to an IP6_ADDRESS_INFO.\r
\r
**/\r
VOID\r
Ip6AddAddr (\r
  IN OUT IP6_INTERFACE *IpIf,\r
  IN IP6_ADDRESS_INFO  *AddrInfo\r
  );\r
\r
/**\r
  Remove the IPv6 address from the address list node points to IP6_ADDRESS_INFO.\r
\r
  This function removes the matching IPv6 addresses from the address list and\r
  adjusts the address count of the address list. If IpSb is not NULL, this function\r
  calls Ip6LeaveGroup to see whether it should call Mnp->Groups() to remove the\r
  its solicited-node multicast MAC address from the filter list and sends out\r
  a Multicast Listener Done. If Prefix is NULL, all address in the address list\r
  will be removed. If Prefix is not NULL, the address that matching the Prefix\r
  with PrefixLength in the address list will be removed.\r
\r
  @param[in]       IpSb             NULL or points to IP6 service binding instance.\r
  @param[in, out]  AddressList      address list array\r
  @param[in, out]  AddressCount     the count of addresses in address list array\r
  @param[in]       Prefix           NULL or an IPv6 address prefix\r
  @param[in]       PrefixLength     the length of Prefix\r
\r
  @retval    EFI_SUCCESS            The operation completed successfully.\r
  @retval    EFI_NOT_FOUND          The address matching the Prefix with PrefixLength\r
                                    cannot be found in address list.\r
  @retval    EFI_INVALID_PARAMETER  Any input parameter is invalid.\r
\r
**/\r
EFI_STATUS\r
Ip6RemoveAddr (\r
  IN IP6_SERVICE       *IpSb          OPTIONAL,\r
  IN OUT LIST_ENTRY    *AddressList,\r
  IN OUT UINT32        *AddressCount,\r
  IN EFI_IPv6_ADDRESS  *Prefix        OPTIONAL,\r
  IN UINT8             PrefixLength\r
  );\r
\r
/**\r
  Get the MAC address for a multicast IP address. Call\r
  Mnp's McastIpToMac to find the MAC address instead of\r
  hard-coding the NIC to be Ethernet.\r
\r
  @param[in]  Mnp                   The Mnp instance to get the MAC address.\r
  @param[in]  Multicast             The multicast IP address to translate.\r
  @param[out] Mac                   The buffer to hold the translated address.\r
\r
  @retval EFI_SUCCESS               The multicast IP is successfully\r
                                    translated to a multicast MAC address.\r
  @retval Other                     The address is not converted because an error occurred.\r
\r
**/\r
EFI_STATUS\r
Ip6GetMulticastMac (\r
  IN  EFI_MANAGED_NETWORK_PROTOCOL *Mnp,\r
  IN  EFI_IPv6_ADDRESS             *Multicast,\r
  OUT EFI_MAC_ADDRESS              *Mac\r
  );\r
\r
/**\r
  Convert the multibyte field in IP header's byter order.\r
  In spite of its name, it can also be used to convert from\r
  host to network byte order.\r
\r
  @param[in, out]  Head                  The IP head to convert.\r
\r
  @return Point to the converted IP head.\r
\r
**/\r
EFI_IP6_HEADER *\r
Ip6NtohHead (\r
  IN OUT EFI_IP6_HEADER *Head\r
  );\r
\r
#endif\r
Commit	Line	Data
a3bcde70 HT	1	/** @file\r
	2	Common definition and functions for IP6 driver.\r
	3	\r
d551cc64	4	Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>\r
a3bcde70	5	\r
ecf98fbc	6	SPDX-License-Identifier: BSD-2-Clause-Patent\r
a3bcde70 HT	7	\r
	8	**/\r
	9	\r
	10	#ifndef __EFI_IP6_COMMON_H__\r
	11	#define __EFI_IP6_COMMON_H__\r
	12	\r
	13	#define IP6_LINK_EQUAL(Mac1, Mac2) (CompareMem ((Mac1), (Mac2), sizeof (EFI_MAC_ADDRESS)) == 0)\r
	14	\r
	15	//\r
	16	// Convert the Microsecond to second. IP transmit/receive time is\r
	17	// in the unit of microsecond. IP ticks once per second.\r
	18	//\r
	19	#define IP6_US_TO_SEC(Us) (((Us) + 999999) / 1000000)\r
	20	\r
	21	#define IP6_ETHER_PROTO 0x86DD\r
	22	\r
	23	#define IP6_MAC_LEN 6\r
	24	#define IP6_IF_ID_LEN 8\r
	25	\r
	26	#define IP6_INTERFACE_LOCAL_SCOPE 1\r
	27	#define IP6_LINK_LOCAL_SCOPE 2\r
	28	#define IP6_SITE_LOCAL_SCOPE 5\r
	29	\r
	30	#define IP6_INFINIT_LIFETIME 0xFFFFFFFF\r
	31	\r
	32	#define IP6_HOP_LIMIT 255\r
	33	//\r
	34	// Make it to 64 since all 54 bits are zero.\r
	35	//\r
	36	#define IP6_LINK_LOCAL_PREFIX_LENGTH 64\r
	37	\r
	38	#define IP6_TIMER_INTERVAL_IN_MS 100\r
	39	#define IP6_ONE_SECOND_IN_MS 1000\r
	40	\r
	41	//\r
	42	// The packet is received as link level broadcast/multicast/promiscuous.\r
	43	//\r
	44	#define IP6_LINK_BROADCAST 0x00000001\r
	45	#define IP6_LINK_MULTICAST 0x00000002\r
	46	#define IP6_LINK_PROMISC 0x00000004\r
	47	\r
	48	#define IP6_U_BIT 0x02\r
	49	\r
	50	typedef enum {\r
	51	Ip6Promiscuous = 1,\r
	52	Ip6Unicast,\r
	53	Ip6Multicast,\r
	54	Ip6AnyCast\r
	55	} IP6_ADDRESS_TYPE;\r
	56	\r
216f7970	57	typedef struct {\r
	58	EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
	59	EFI_IPv6_ADDRESS *Address;\r
	60	} IP6_DESTROY_CHILD_BY_ADDR_CALLBACK_CONTEXT;\r
	61	\r
a3bcde70 HT	62	typedef struct _IP6_INTERFACE IP6_INTERFACE;\r
	63	typedef struct _IP6_PROTOCOL IP6_PROTOCOL;\r
	64	typedef struct _IP6_SERVICE IP6_SERVICE;\r
	65	typedef struct _IP6_ADDRESS_INFO IP6_ADDRESS_INFO;\r
	66	\r
	67	/**\r
	68	Build a array of EFI_IP6_ADDRESS_INFO to be returned to the caller. The number\r
	69	of EFI_IP6_ADDRESS_INFO is also returned. If AddressList is NULL,\r
	70	only the address count is returned.\r
	71	\r
	72	@param[in] IpSb The IP6 service binding instance.\r
	73	@param[out] AddressCount The number of returned addresses.\r
	74	@param[out] AddressList The pointer to the array of EFI_IP6_ADDRESS_INFO.\r
	75	This is an optional parameter.\r
	76	\r
	77	\r
	78	@retval EFI_SUCCESS The address array is successfully build\r
	79	@retval EFI_OUT_OF_RESOURCES Failed to allocate the memory for the address info.\r
	80	@retval EFI_INVALID_PARAMETER Any input parameter is invalid.\r
	81	\r
	82	**/\r
	83	EFI_STATUS\r
	84	Ip6BuildEfiAddressList (\r
	85	IN IP6_SERVICE *IpSb,\r
	86	OUT UINT32 *AddressCount,\r
	87	OUT EFI_IP6_ADDRESS_INFO **AddressList OPTIONAL\r
	88	);\r
	89	\r
	90	/**\r
	91	Generate the multicast addresses identify the group of all IPv6 nodes or IPv6\r
	92	routers defined in RFC4291.\r
	93	\r
	94	All Nodes Addresses: FF01::1, FF02::1.\r
	95	All Router Addresses: FF01::2, FF02::2, FF05::2.\r
	96	\r
	97	@param[in] Router If TRUE, generate all routers addresses,\r
	98	else generate all node addresses.\r
	99	@param[in] Scope interface-local(1), link-local(2), or site-local(5)\r
	100	@param[out] Ip6Addr The generated multicast address.\r
	101	\r
	102	@retval EFI_INVALID_PARAMETER Any input parameter is invalid.\r
	103	@retval EFI_SUCCESS The address is generated.\r
	104	\r
	105	**/\r
	106	EFI_STATUS\r
	107	Ip6SetToAllNodeMulticast (\r
	108	IN BOOLEAN Router,\r
	109	IN UINT8 Scope,\r
	110	OUT EFI_IPv6_ADDRESS *Ip6Addr\r
	111	);\r
	112	\r
	113	/**\r
	114	This function converts MAC address to 64 bits interface ID according to RFC4291\r
	115	and returns the interface ID. Currently only 48-bit MAC address is supported by\r
	116	this function.\r
	117	\r
	118	@param[in, out] IpSb The IP6 service binding instance.\r
	119	\r
	120	@retval NULL The operation fails.\r
	121	@return Pointer to the generated interface ID.\r
	122	\r
	123	**/\r
	124	UINT8 *\r
	125	Ip6CreateInterfaceID (\r
126	IN OUT IP6_SERVICE *IpSb\r
127	);\r
128	\r
129	/**\r
130	This function creates link-local address from interface identifier. The\r
131	interface identifier is normally created from MAC address. It might be manually\r
132	configured by administrator if the link-local address created from MAC address\r
133	is a duplicate address.\r
134	\r
135	@param[in, out] IpSb The IP6 service binding instance.\r
136	\r
137	@retval NULL If the operation fails.\r
138	@return The generated Link Local address, in network order.\r
139	\r
140	**/\r
141	EFI_IPv6_ADDRESS *\r
142	Ip6CreateLinkLocalAddr (\r
143	IN OUT IP6_SERVICE *IpSb\r
144	);\r
145	\r
146	/**\r
147	Compute the solicited-node multicast address for an unicast or anycast address,\r
148	by taking the low-order 24 bits of this address, and appending those bits to\r
149	the prefix FF02:0:0:0:0:1:FF00::/104.\r
150	\r
151	@param Ip6Addr The unicast or anycast address, in network order.\r
152	@param MulticastAddr The generated solicited-node multicast address,\r
153	in network order.\r
154	\r
155	**/\r
156	VOID\r
157	Ip6CreateSNMulticastAddr (\r
158	IN EFI_IPv6_ADDRESS *Ip6Addr,\r
159	OUT EFI_IPv6_ADDRESS *MulticastAddr\r
160	);\r
161	\r
162	/**\r
163	Check whether the incoming Ipv6 address is a solicited-node multicast address.\r
164	\r
165	@param[in] Ip6 Ip6 address, in network order.\r
166	\r
167	@retval TRUE Yes, solicited-node multicast address\r
168	@retval FALSE No\r
169	\r
170	**/\r
171	BOOLEAN\r
172	Ip6IsSNMulticastAddr (\r
173	IN EFI_IPv6_ADDRESS *Ip6\r
174	);\r
175	\r
176	/**\r
177	Check whether the incoming IPv6 address is one of the maintained address in\r
178	the IP6 service binding instance.\r
179	\r
180	@param[in] IpSb Points to a IP6 service binding instance\r
181	@param[in] Address The IP6 address to be checked.\r
182	@param[out] Interface If not NULL, output the IP6 interface which\r
183	maintains the Address.\r
184	@param[out] AddressInfo If not NULL, output the IP6 address information\r
185	of the Address.\r
186	\r
187	@retval TRUE Yes, it is one of the maintained addresses.\r
188	@retval FALSE No, it is not one of the maintained addresses.\r
189	\r
190	**/\r
191	BOOLEAN\r
192	Ip6IsOneOfSetAddress (\r
193	IN IP6_SERVICE *IpSb,\r
194	IN EFI_IPv6_ADDRESS *Address,\r
195	OUT IP6_INTERFACE **Interface OPTIONAL,\r
196	OUT IP6_ADDRESS_INFO **AddressInfo OPTIONAL\r
197	);\r
198	\r
199	/**\r
200	Check whether the incoming MAC address is valid.\r
201	\r
202	@param[in] IpSb Points to a IP6 service binding instance.\r
203	@param[in] LinkAddress The MAC address.\r
204	\r
205	@retval TRUE Yes, it is valid.\r
206	@retval FALSE No, it is not valid.\r
207	\r
208	**/\r
209	BOOLEAN\r
210	Ip6IsValidLinkAddress (\r
211	IN IP6_SERVICE *IpSb,\r
212	IN EFI_MAC_ADDRESS *LinkAddress\r
213	);\r
214	\r
215	\r
216	/**\r
217	Copy the PrefixLength bits from Src to Dest.\r
218	\r
219	@param[out] Dest A pointer to the buffer to copy to.\r
220	@param[in] Src A pointer to the buffer to copy from.\r
221	@param[in] PrefixLength The number of bits to copy.\r
222	\r
223	**/\r
224	VOID\r
225	Ip6CopyAddressByPrefix (\r
226	OUT EFI_IPv6_ADDRESS *Dest,\r
227	IN EFI_IPv6_ADDRESS *Src,\r
228	IN UINT8 PrefixLength\r
229	);\r
230	\r
231	/**\r
232	Insert a node IP6_ADDRESS_INFO to an IP6 interface.\r
233	\r
234	@param[in, out] IpIf Points to an IP6 interface.\r
235	@param[in] AddrInfo Points to an IP6_ADDRESS_INFO.\r
236	\r
237	**/\r
238	VOID\r
239	Ip6AddAddr (\r
240	IN OUT IP6_INTERFACE *IpIf,\r
241	IN IP6_ADDRESS_INFO *AddrInfo\r
242	);\r
243	\r
244	/**\r
245	Remove the IPv6 address from the address list node points to IP6_ADDRESS_INFO.\r
246	\r
247	This function removes the matching IPv6 addresses from the address list and\r
248	adjusts the address count of the address list. If IpSb is not NULL, this function\r
249	calls Ip6LeaveGroup to see whether it should call Mnp->Groups() to remove the\r
250	its solicited-node multicast MAC address from the filter list and sends out\r
251	a Multicast Listener Done. If Prefix is NULL, all address in the address list\r
252	will be removed. If Prefix is not NULL, the address that matching the Prefix\r
253	with PrefixLength in the address list will be removed.\r
254	\r
255	@param[in] IpSb NULL or points to IP6 service binding instance.\r
256	@param[in, out] AddressList address list array\r
257	@param[in, out] AddressCount the count of addresses in address list array\r
258	@param[in] Prefix NULL or an IPv6 address prefix\r
259	@param[in] PrefixLength the length of Prefix\r
260	\r
261	@retval EFI_SUCCESS The operation completed successfully.\r
262	@retval EFI_NOT_FOUND The address matching the Prefix with PrefixLength\r
263	cannot be found in address list.\r
264	@retval EFI_INVALID_PARAMETER Any input parameter is invalid.\r
265	\r
266	**/\r
267	EFI_STATUS\r
268	Ip6RemoveAddr (\r
269	IN IP6_SERVICE *IpSb OPTIONAL,\r
270	IN OUT LIST_ENTRY *AddressList,\r
271	IN OUT UINT32 *AddressCount,\r
272	IN EFI_IPv6_ADDRESS *Prefix OPTIONAL,\r
273	IN UINT8 PrefixLength\r
274	);\r
275	\r
a3bcde70 HT	276	/**\r
	277	Get the MAC address for a multicast IP address. Call\r
	278	Mnp's McastIpToMac to find the MAC address instead of\r
	279	hard-coding the NIC to be Ethernet.\r
	280	\r
	281	@param[in] Mnp The Mnp instance to get the MAC address.\r
	282	@param[in] Multicast The multicast IP address to translate.\r
	283	@param[out] Mac The buffer to hold the translated address.\r
	284	\r
	285	@retval EFI_SUCCESS The multicast IP is successfully\r
	286	translated to a multicast MAC address.\r
	287	@retval Other The address is not converted because an error occurred.\r
	288	\r
	289	**/\r
	290	EFI_STATUS\r
	291	Ip6GetMulticastMac (\r
	292	IN EFI_MANAGED_NETWORK_PROTOCOL *Mnp,\r
	293	IN EFI_IPv6_ADDRESS *Multicast,\r
	294	OUT EFI_MAC_ADDRESS *Mac\r
	295	);\r
	296	\r
	297	/**\r
	298	Convert the multibyte field in IP header's byter order.\r
	299	In spite of its name, it can also be used to convert from\r
	300	host to network byte order.\r
	301	\r
	302	@param[in, out] Head The IP head to convert.\r
	303	\r
	304	@return Point to the converted IP head.\r
	305	\r
	306	**/\r
	307	EFI_IP6_HEADER *\r
	308	Ip6NtohHead (\r
	309	IN OUT EFI_IP6_HEADER *Head\r
	310	);\r
	311	\r
	312	#endif\r