This library is only intended to be used by UEFI network stack modules.\r
It provides basic functions for the UEFI network stack.\r
\r
-Copyright (c) 2005 - 2009, Intel Corporation\r
+Copyright (c) 2005 - 2010, Intel Corporation\r
All rights reserved. This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
#define NET_ETHER_ADDR_LEN 6\r
#define NET_IFTYPE_ETHERNET 0x01\r
\r
+#define NET_VLAN_TAG_LEN 4\r
+#define ETHER_TYPE_VLAN 0x8100\r
+\r
#define EFI_IP_PROTO_UDP 0x11\r
#define EFI_IP_PROTO_TCP 0x06\r
#define EFI_IP_PROTO_ICMP 0x01\r
UINT16 EtherType;\r
} ETHER_HEAD;\r
\r
+//\r
+// 802.1Q VLAN Tag Control Information\r
+//\r
+typedef union {\r
+ struct {\r
+ UINT16 Vid : 12; // Unique VLAN identifier (0 to 4094)\r
+ UINT16 Cfi : 1; // Canonical Format Indicator\r
+ UINT16 Priority : 3; // 802.1Q priority level (0 to 7)\r
+ } Bits;\r
+ UINT16 Uint16;\r
+} VLAN_TCI;\r
+\r
+#define VLAN_TCI_CFI_CANONICAL_MAC 0\r
+#define VLAN_TCI_CFI_NON_CANONICAL_MAC 1\r
\r
//\r
// The EFI_IP4_HEADER is hard to use because the source and\r
);\r
\r
/**\r
- Convert the mac address of the simple network protocol installed on\r
- SnpHandle to a unicode string. Callers are responsible for freeing the\r
- string storage.\r
+ Get handle with Simple Network Protocol installed on it.\r
+\r
+ There should be MNP Service Binding Protocol installed on the input ServiceHandle.\r
+ If Simple Network Protocol is already installed on the ServiceHandle, the\r
+ ServiceHandle will be returned. If SNP is not installed on the ServiceHandle,\r
+ try to find its parent handle with SNP installed.\r
\r
- Get the mac address of the Simple Network protocol from the SnpHandle. Then convert\r
- the mac address into a unicode string. It takes 2 unicode characters to represent \r
- a 1 byte binary buffer, plus one unicode character for the null terminator.\r
+ @param[in] ServiceHandle The handle where network service binding protocols are\r
+ installed on.\r
+ @param[out] Snp The pointer to store the address of the SNP instance.\r
+ This is an optional parameter that may be NULL.\r
+\r
+ @return The SNP handle, or NULL if not found.\r
+\r
+**/\r
+EFI_HANDLE\r
+EFIAPI\r
+NetLibGetSnpHandle (\r
+ IN EFI_HANDLE ServiceHandle,\r
+ OUT EFI_SIMPLE_NETWORK_PROTOCOL **Snp OPTIONAL\r
+ );\r
\r
+/**\r
+ Retrieve VLAN ID of a VLAN device handle.\r
+\r
+ Search VLAN device path node in Device Path of specified ServiceHandle and\r
+ return its VLAN ID. If no VLAN device path node found, then this ServiceHandle\r
+ is not a VLAN device handle, and 0 will be returned.\r
+\r
+ @param[in] ServiceHandle The handle where network service binding protocols are\r
+ installed on.\r
+\r
+ @return VLAN ID of the device handle, or 0 if not a VLAN device.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+NetLibGetVlanId (\r
+ IN EFI_HANDLE ServiceHandle\r
+ );\r
+\r
+/**\r
+ Find VLAN device handle with specified VLAN ID.\r
\r
- @param[in] SnpHandle The handle on which the simple network protocol is\r
- installed.\r
- @param[in] ImageHandle The image handle to act as the agent handle to\r
+ The VLAN child device handle is created by VLAN Config Protocol on ControllerHandle.\r
+ This function will append VLAN device path node to the parent device path,\r
+ and then use LocateDevicePath() to find the correct VLAN device handle.\r
+\r
+ @param[in] ControllerHandle The handle where network service binding protocols are\r
+ installed on.\r
+ @param[in] VlanId The configured VLAN ID for the VLAN device.\r
+\r
+ @return The VLAN device handle, or NULL if not found.\r
+\r
+**/\r
+EFI_HANDLE\r
+EFIAPI\r
+NetLibGetVlanHandle (\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN UINT16 VlanId\r
+ );\r
+\r
+/**\r
+ Get MAC address associated with the network service handle.\r
+\r
+ There should be MNP Service Binding Protocol installed on the input ServiceHandle.\r
+ If SNP is installed on the ServiceHandle or its parent handle, MAC address will\r
+ be retrieved from SNP. If no SNP found, try to get SNP mode data use MNP.\r
+\r
+ @param[in] ServiceHandle The handle where network service binding protocols are\r
+ installed on.\r
+ @param[out] MacAddress The pointer to store the returned MAC address.\r
+ @param[out] AddressSize The length of returned MAC address.\r
+\r
+ @retval EFI_SUCCESS MAC address is returned successfully.\r
+ @retval Others Failed to get SNP mode data.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetLibGetMacAddress (\r
+ IN EFI_HANDLE ServiceHandle,\r
+ OUT EFI_MAC_ADDRESS *MacAddress,\r
+ OUT UINTN *AddressSize\r
+ );\r
+\r
+/**\r
+ Convert MAC address of the NIC associated with specified Service Binding Handle\r
+ to a unicode string. Callers are responsible for freeing the string storage.\r
+\r
+ Locate simple network protocol associated with the Service Binding Handle and\r
+ get the mac address from SNP. Then convert the mac address into a unicode\r
+ string. It takes 2 unicode characters to represent a 1 byte binary buffer.\r
+ Plus one unicode character for the null-terminator.\r
+\r
+ @param[in] ServiceHandle The handle where network service binding protocol is\r
+ installed on.\r
+ @param[in] ImageHandle The image handle used to act as the agent handle to\r
get the simple network protocol.\r
@param[out] MacString The pointer to store the address of the string\r
representation of the mac address.\r
EFI_STATUS\r
EFIAPI\r
NetLibGetMacString (\r
- IN EFI_HANDLE SnpHandle,\r
+ IN EFI_HANDLE ServiceHandle,\r
IN EFI_HANDLE ImageHandle,\r
OUT CHAR16 **MacString\r
);\r
\r
+/**\r
+ Detect media status for specified network device.\r
+\r
+ The underlying UNDI driver may or may not support reporting media status from\r
+ GET_STATUS command (PXE_STATFLAGS_GET_STATUS_NO_MEDIA_SUPPORTED). This routine\r
+ will try to invoke Snp->GetStatus() to get the media status: if media already\r
+ present, it return directly; if media not present, it will stop SNP and then\r
+ restart SNP to get the latest media status, this give chance to get the correct\r
+ media status for old UNDI driver which doesn't support reporting media status\r
+ from GET_STATUS command.\r
+ Note: there will be two limitations for current algorithm:\r
+ 1) for UNDI with this capability, in case of cable is not attached, there will\r
+ be an redundant Stop/Start() process;\r
+ 2) for UNDI without this capability, in case cable is attached in UNDI\r
+ initialize while unattached latter, NetLibDetectMedia() will report\r
+ MediaPresent as TRUE, this cause upper layer apps wait for timeout time.\r
+\r
+ @param[in] ServiceHandle The handle where network service binding protocols are\r
+ installed on.\r
+ @param[out] MediaPresent The pointer to store the media status.\r
+\r
+ @retval EFI_SUCCESS Media detection success.\r
+ @retval EFI_INVALID_PARAMETER ServiceHandle is not valid network device handle.\r
+ @retval EFI_UNSUPPORTED Network device does not support media detection.\r
+ @retval EFI_DEVICE_ERROR SNP is in unknown state.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+NetLibDetectMedia (\r
+ IN EFI_HANDLE ServiceHandle,\r
+ OUT BOOLEAN *MediaPresent\r
+ );\r
+\r
/**\r
Create an IPv4 device path node.\r
\r
IN EFI_HANDLE ImageHandle\r
);\r
\r
+/**\r
+ Convert one Null-terminated ASCII string (decimal dotted) to EFI_IPv4_ADDRESS.\r
+\r
+ @param[in] String The pointer to the Ascii string.\r
+ @param[out] Ip4Address The pointer to the converted IPv4 address.\r
+\r
+ @retval EFI_SUCCESS Convert to IPv4 address successfully.\r
+ @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+NetLibAsciiStrToIp4 (\r
+ IN CONST CHAR8 *String,\r
+ OUT EFI_IPv4_ADDRESS *Ip4Address\r
+ );\r
+\r
+/**\r
+ Convert one Null-terminated ASCII string to EFI_IPv6_ADDRESS. The format of the\r
+ string is defined in RFC 4291 - Text Pepresentation of Addresses.\r
+\r
+ @param[in] String The pointer to the Ascii string.\r
+ @param[out] Ip6Address The pointer to the converted IPv6 address.\r
+\r
+ @retval EFI_SUCCESS Convert to IPv6 address successfully.\r
+ @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+NetLibAsciiStrToIp6 (\r
+ IN CONST CHAR8 *String,\r
+ OUT EFI_IPv6_ADDRESS *Ip6Address\r
+ );\r
+\r
+/**\r
+ Convert one Null-terminated Unicode string (decimal dotted) to EFI_IPv4_ADDRESS.\r
+\r
+ @param[in] String The pointer to the Ascii string.\r
+ @param[out] Ip4Address The pointer to the converted IPv4 address.\r
+\r
+ @retval EFI_SUCCESS Convert to IPv4 address successfully.\r
+ @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip4Address is NULL.\r
+ @retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.\r
+\r
+**/\r
+EFI_STATUS\r
+NetLibStrToIp4 (\r
+ IN CONST CHAR16 *String,\r
+ OUT EFI_IPv4_ADDRESS *Ip4Address\r
+ );\r
+\r
+/**\r
+ Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS. The format of\r
+ the string is defined in RFC 4291 - Text Pepresentation of Addresses.\r
+\r
+ @param[in] String The pointer to the Ascii string.\r
+ @param[out] Ip6Address The pointer to the converted IPv6 address.\r
+\r
+ @retval EFI_SUCCESS Convert to IPv6 address successfully.\r
+ @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.\r
+ @retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.\r
+\r
+**/\r
+EFI_STATUS\r
+NetLibStrToIp6 (\r
+ IN CONST CHAR16 *String,\r
+ OUT EFI_IPv6_ADDRESS *Ip6Address\r
+ );\r
+\r
+/**\r
+ Convert one Null-terminated Unicode string to EFI_IPv6_ADDRESS and prefix length.\r
+ The format of the string is defined in RFC 4291 - Text Pepresentation of Addresses\r
+ Prefixes: ipv6-address/prefix-length.\r
+\r
+ @param[in] String The pointer to the Ascii string.\r
+ @param[out] Ip6Address The pointer to the converted IPv6 address.\r
+ @param[out] PrefixLength The pointer to the converted prefix length.\r
+\r
+ @retval EFI_SUCCESS Convert to IPv6 address successfully.\r
+ @retval EFI_INVALID_PARAMETER The string is mal-formated or Ip6Address is NULL.\r
+ @retval EFI_OUT_OF_RESOURCES Fail to perform the operation due to lack of resource.\r
+\r
+**/\r
+EFI_STATUS\r
+NetLibStrToIp6andPrefix (\r
+ IN CONST CHAR16 *String,\r
+ OUT EFI_IPv6_ADDRESS *Ip6Address,\r
+ OUT UINT8 *PrefixLength\r
+ );\r
\r
//\r
-//Various signatures\r
+// Various signatures\r
//\r
#define NET_BUF_SIGNATURE SIGNATURE_32 ('n', 'b', 'u', 'f')\r
#define NET_VECTOR_SIGNATURE SIGNATURE_32 ('n', 'v', 'e', 'c')\r
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