Add VLAN support.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9649 6f19259b-4bc3-4df7-8a09-765794883524
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xdu2
@ -28,6 +28,9 @@ typedef UINT16 TCP_PORTNO;
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#define NET_ETHER_ADDR_LEN 6
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#define NET_IFTYPE_ETHERNET 0x01
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#define NET_VLAN_TAG_LEN 4
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#define ETHER_TYPE_VLAN 0x8100
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#define EFI_IP_PROTO_UDP 0x11
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#define EFI_IP_PROTO_TCP 0x06
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#define EFI_IP_PROTO_ICMP 0x01
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@ -67,6 +70,20 @@ typedef struct {
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UINT16 EtherType;
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} ETHER_HEAD;
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//
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// 802.1Q VLAN Tag Control Information
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//
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typedef union {
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struct {
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UINT16 Vid : 12; // Unique VLAN identifier (0 to 4094)
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UINT16 Cfi : 1; // Canonical Format Indicator
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UINT16 Priority : 3; // 802.1Q priority level (0 to 7)
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} Bits;
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UINT16 Uint16;
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} VLAN_TCI;
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#define VLAN_TCI_CFI_CANONICAL_MAC 0
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#define VLAN_TCI_CFI_NON_CANONICAL_MAC 1
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//
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// The EFI_IP4_HEADER is hard to use because the source and
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@ -960,18 +977,104 @@ NetLibDestroyServiceChild (
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);
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/**
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Convert the mac address of the simple network protocol installed on
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SnpHandle to a unicode string. Callers are responsible for freeing the
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string storage.
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Get handle with Simple Network Protocol installed on it.
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Get the mac address of the Simple Network protocol from the SnpHandle. Then convert
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the mac address into a unicode string. It takes 2 unicode characters to represent
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a 1 byte binary buffer, plus one unicode character for the null terminator.
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There should be MNP Service Binding Protocol installed on the input ServiceHandle.
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If Simple Network Protocol is already installed on the ServiceHandle, the
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ServiceHandle will be returned. If SNP is not installed on the ServiceHandle,
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try to find its parent handle with SNP installed.
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@param[in] ServiceHandle The handle where network service binding protocols are
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installed on.
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@param[out] Snp The pointer to store the address of the SNP instance.
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This is an optional parameter that may be NULL.
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@param[in] SnpHandle The handle on which the simple network protocol is
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installed.
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@param[in] ImageHandle The image handle to act as the agent handle to
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@return The SNP handle, or NULL if not found.
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**/
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EFI_HANDLE
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EFIAPI
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NetLibGetSnpHandle (
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IN EFI_HANDLE ServiceHandle,
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OUT EFI_SIMPLE_NETWORK_PROTOCOL **Snp OPTIONAL
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);
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/**
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Retrieve VLAN ID of a VLAN device handle.
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Search VLAN device path node in Device Path of specified ServiceHandle and
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return its VLAN ID. If no VLAN device path node found, then this ServiceHandle
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is not a VLAN device handle, and 0 will be returned.
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@param[in] ServiceHandle The handle where network service binding protocols are
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installed on.
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@return VLAN ID of the device handle, or 0 if not a VLAN device.
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**/
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UINT16
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EFIAPI
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NetLibGetVlanId (
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IN EFI_HANDLE ServiceHandle
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);
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/**
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Find VLAN device handle with specified VLAN ID.
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The VLAN child device handle is created by VLAN Config Protocol on ControllerHandle.
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This function will append VLAN device path node to the parent device path,
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and then use LocateDevicePath() to find the correct VLAN device handle.
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@param[in] ServiceHandle The handle where network service binding protocols are
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installed on.
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@param[in] VLanId The configured VLAN ID for the VLAN device.
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@return The VLAN device handle, or NULL if not found.
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**/
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EFI_HANDLE
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EFIAPI
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NetLibGetVlanHandle (
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IN EFI_HANDLE ControllerHandle,
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IN UINT16 VlanId
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);
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/**
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Get MAC address associated with the network service handle.
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There should be MNP Service Binding Protocol installed on the input ServiceHandle.
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If SNP is installed on the ServiceHandle or its parent handle, MAC address will
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be retrieved from SNP. If no SNP found, try to get SNP mode data use MNP.
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@param[in] ServiceHandle The handle where network service binding protocols are
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installed on.
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@param[out] MacAddress The pointer to store the returned MAC address.
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@param[out] AddressSize The length of returned MAC address.
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@retval EFI_SUCCESS MAC address is returned successfully.
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@retval Others Failed to get SNP mode data.
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**/
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EFI_STATUS
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EFIAPI
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NetLibGetMacAddress (
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IN EFI_HANDLE ServiceHandle,
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OUT EFI_MAC_ADDRESS *MacAddress,
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OUT UINTN *AddressSize
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);
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/**
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Convert MAC address of the NIC associated with specified Service Binding Handle
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to a unicode string. Callers are responsible for freeing the string storage.
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Locate simple network protocol associated with the Service Binding Handle and
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get the mac address from SNP. Then convert the mac address into a unicode
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string. It takes 2 unicode characters to represent a 1 byte binary buffer.
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Plus one unicode character for the null-terminator.
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@param[in] ServiceHandle The handle where network service binding protocol is
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installed on.
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@param[in] ImageHandle The image handle used to act as the agent handle to
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get the simple network protocol.
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@param[out] MacString The pointer to store the address of the string
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representation of the mac address.
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@ -984,7 +1087,7 @@ NetLibDestroyServiceChild (
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EFI_STATUS
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EFIAPI
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NetLibGetMacString (
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IN EFI_HANDLE SnpHandle,
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IN EFI_HANDLE ServiceHandle,
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IN EFI_HANDLE ImageHandle,
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OUT CHAR16 **MacString
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);
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