UINT64 TimeoutTick;\r
} MNP_RXDATA_WRAP;\r
\r
+/**\r
+ Initialize the mnp service context data.\r
+\r
+ @param MnpServiceData Pointer to the mnp service context data.\r
+ @param ImageHandle The driver image handle.\r
+ @param ControllerHandle Handle of device to bind driver to.\r
+\r
+ @retval EFI_SUCCESS The mnp service context is initialized.\r
+ @retval Other Some error occurs.\r
+\r
+**/\r
EFI_STATUS\r
MnpInitializeServiceData (\r
IN MNP_SERVICE_DATA *MnpServiceData,\r
IN EFI_HANDLE ControllerHandle\r
);\r
\r
+/**\r
+ Flush the mnp service context data.\r
+\r
+ @param MnpServiceData Pointer to the mnp service context data.\r
+ @param ImageHandle The driver image handle.\r
+\r
+**/\r
VOID\r
MnpFlushServiceData (\r
IN MNP_SERVICE_DATA *MnpServiceData,\r
IN EFI_HANDLE ImageHandle\r
);\r
\r
+/**\r
+ Initialize the mnp instance context data.\r
+\r
+ @param MnpServiceData Pointer to the mnp service context data.\r
+ @param Instance Pointer to the mnp instance context data to\r
+ initialize.\r
+\r
+**/\r
VOID\r
MnpInitializeInstanceData (\r
IN MNP_SERVICE_DATA *MnpServiceData,\r
IN MNP_INSTANCE_DATA *Instance\r
);\r
\r
+/**\r
+ Check whether the token specified by Arg maches the token in Item.\r
+\r
+ @param Map Pointer to the NET_MAP.\r
+ @param Item Pointer to the NET_MAP_ITEM\r
+ @param Arg Pointer to the Arg, it's a pointer to the token to\r
+ check.\r
+\r
+ @retval EFI_SUCCESS The token specified by Arg is different from the\r
+ token in Item.\r
+ @retval EFI_ACCESS_DENIED The token specified by Arg is the same as that in\r
+ Item.\r
+\r
+**/\r
EFI_STATUS\r
MnpTokenExist (\r
IN NET_MAP *Map,\r
IN VOID *Arg\r
);\r
\r
+/**\r
+ Cancel the token specified by Arg if it matches the token in Item.\r
+\r
+ @param Map Pointer to the NET_MAP.\r
+ @param Item Pointer to the NET_MAP_ITEM\r
+ @param Arg Pointer to the Arg, it's a pointer to the token to\r
+ cancel.\r
+\r
+ @retval EFI_SUCCESS The Arg is NULL, and the token in Item is\r
+ cancelled, or the Arg isn't NULL, and the token in\r
+ Item is different from the Arg.\r
+ @retval EFI_ABORTED The Arg isn't NULL, the token in Item mathces the\r
+ Arg, and the token is cancelled.\r
+\r
+**/\r
EFI_STATUS\r
MnpCancelTokens (\r
IN NET_MAP *Map,\r
IN VOID *Arg\r
);\r
\r
+/**\r
+ Flush the instance's received data.\r
+\r
+ @param Instance Pointer to the mnp instance context data.\r
+\r
+**/\r
VOID\r
MnpFlushRcvdDataQueue (\r
IN MNP_INSTANCE_DATA *Instance\r
);\r
\r
+/**\r
+ Configure the Instance using ConfigData.\r
+\r
+ @param Instance Pointer to the mnp instance context data.\r
+ @param ConfigData Pointer to the configuration data used to configure\r
+ the isntance.\r
+\r
+ @retval EFI_SUCCESS The Instance is configured.\r
+ @retval EFI_UNSUPPORTED EnableReceiveTimestamps is on and the\r
+ implementation doesn't support it.\r
+ @retval Other Some error occurs.\r
+\r
+**/\r
EFI_STATUS\r
MnpConfigureInstance (\r
IN MNP_INSTANCE_DATA *Instance,\r
IN EFI_MANAGED_NETWORK_CONFIG_DATA *ConfigData OPTIONAL\r
);\r
\r
+/**\r
+ Do the group operations for this instance.\r
+\r
+ @param Instance Pointer to the instance context data.\r
+ @param JoinFlag Set to TRUE to join a group. Set to TRUE to leave a\r
+ group/groups.\r
+ @param MacAddress Pointer to the group address to join or leave.\r
+ @param CtrlBlk Pointer to the group control block if JoinFlag if\r
+ FALSE.\r
+\r
+ @retval EFI_SUCCESS The group operation finished.\r
+ @retval Other Some error occurs.\r
+\r
+**/\r
EFI_STATUS\r
MnpGroupOp (\r
IN MNP_INSTANCE_DATA *Instance,\r
IN MNP_GROUP_CONTROL_BLOCK *CtrlBlk OPTIONAL\r
);\r
\r
+/**\r
+ Validates the Mnp transmit token.\r
+\r
+ @param Instance Pointer to the Mnp instance context data.\r
+ @param Token Pointer to the transmit token to check.\r
+\r
+ @return The Token is valid or not.\r
+\r
+**/\r
BOOLEAN\r
MnpIsValidTxToken (\r
IN MNP_INSTANCE_DATA *Instance,\r
IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token\r
);\r
\r
+/**\r
+ Build the packet to transmit from the TxData passed in.\r
+\r
+ @param MnpServiceData Pointer to the mnp service context data.\r
+ @param TxData Pointer to the transmit data containing the\r
+ information to build the packet.\r
+ @param PktBuf Pointer to record the address of the packet.\r
+ @param PktLen Pointer to a UINT32 variable used to record the\r
+ packet's length.\r
+\r
+**/\r
VOID\r
MnpBuildTxPacket (\r
IN MNP_SERVICE_DATA *MnpServiceData,\r
OUT UINT32 *PktLen\r
);\r
\r
+/**\r
+ Synchronously send out the packet.\r
+\r
+ @param MnpServiceData Pointer to the mnp service context data.\r
+ @param Packet Pointer to the pakcet buffer.\r
+ @param Length The length of the packet.\r
+ @param Token Pointer to the token the packet generated from.\r
+\r
+ @retval EFI_SUCCESS The packet is sent out.\r
+ @retval EFI_TIMEOUT Time out occurs, the packet isn't sent.\r
+ @retval EFI_DEVICE_ERROR An unexpected network error occurs.\r
+\r
+**/\r
EFI_STATUS\r
MnpSyncSendPacket (\r
IN MNP_SERVICE_DATA *MnpServiceData,\r
IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token\r
);\r
\r
+/**\r
+ Try to deliver the received packet to the instance.\r
+\r
+ @param Instance Pointer to the mnp instance context data.\r
+\r
+ @retval EFI_SUCCESS The received packet is delivered, or there is no\r
+ packet to deliver, or there is no available receive\r
+ token.\r
+ @retval EFI_OUT_OF_RESOURCES The deliver fails due to lack of memory resource.\r
+\r
+**/\r
EFI_STATUS\r
MnpInstanceDeliverPacket (\r
IN MNP_INSTANCE_DATA *Instance\r
);\r
\r
+/**\r
+ Recycle the RxData and other resources used to hold and deliver the received\r
+ packet.\r
+\r
+ @param Event The event this notify function registered to.\r
+ @param Context Pointer to the context data registerd to the Event.\r
+\r
+**/\r
VOID\r
EFIAPI\r
MnpRecycleRxData (\r
IN VOID *Context\r
);\r
\r
+/**\r
+ Try to receive a packet and deliver it.\r
+\r
+ @param MnpServiceData Pointer to the mnp service context data.\r
+\r
+ @retval EFI_SUCCESS add return value to function comment\r
+ @retval EFI_NOT_STARTED The simple network protocol is not started.\r
+ @retval EFI_NOT_READY No packet received.\r
+ @retval EFI_DEVICE_ERROR An unexpected error occurs.\r
+\r
+**/\r
EFI_STATUS\r
MnpReceivePacket (\r
IN MNP_SERVICE_DATA *MnpServiceData\r
);\r
\r
+/**\r
+ Allocate a free NET_BUF from MnpServiceData->FreeNbufQue. If there is none\r
+ in the queue, first try to allocate some and add them into the queue, then\r
+ fetch the NET_BUF from the updated FreeNbufQue.\r
+\r
+ @param MnpServiceData Pointer to the MNP_SERVICE_DATA.\r
+\r
+ @return Pointer to the allocated free NET_BUF structure, if NULL the operation is failed.\r
+\r
+**/\r
NET_BUF *\r
MnpAllocNbuf (\r
IN MNP_SERVICE_DATA *MnpServiceData\r
);\r
\r
+/**\r
+ Try to reclaim the Nbuf into the buffer pool.\r
+\r
+ @param MnpServiceData Pointer to the mnp service context data.\r
+ @param Nbuf Pointer to the NET_BUF to free.\r
+\r
+**/\r
VOID\r
MnpFreeNbuf (\r
IN MNP_SERVICE_DATA *MnpServiceData,\r
IN NET_BUF *Nbuf\r
);\r
\r
+/**\r
+ Remove the received packets if timeout occurs.\r
+\r
+ @param Event The event this notify function registered to.\r
+ @param Context Pointer to the context data registered to the\r
+ event.\r
+ \r
+**/\r
VOID\r
EFIAPI\r
MnpCheckPacketTimeout (\r
IN VOID *Context\r
);\r
\r
+/**\r
+ Poll to receive the packets from Snp. This function is either called by upperlayer\r
+ protocols/applications or the system poll timer notify mechanism.\r
+\r
+ @param Event The event this notify function registered to.\r
+ @param Context Pointer to the context data registered to the\r
+ event.\r
+\r
+**/\r
VOID\r
EFIAPI\r
MnpSystemPoll (\r
IN VOID *Context\r
);\r
\r
+/**\r
+ Returns the operational parameters for the current MNP child driver. May also\r
+ support returning the underlying SNP driver mode data. \r
+ \r
+ The GetModeData() function is used to read the current mode data (operational\r
+ parameters) from the MNP or the underlying SNP. \r
+\r
+ @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.\r
+ @param MnpConfigData Pointer to storage for MNP operational parameters. Type\r
+ EFI_MANAGED_NETWORK_CONFIG_DATA is defined in "Related\r
+ Definitions" below.\r
+ @param SnpModeData Pointer to storage for SNP operational parameters. This\r
+ feature may be unsupported. Type EFI_SIMPLE_NETWORK_MODE\r
+ is defined in the EFI_SIMPLE_NETWORK_PROTOCOL.\r
+ \r
+ @retval EFI_SUCCESS The operation completed successfully.\r
+ @retval EFI_INVALID_PARAMETER This is NULL.\r
+ @retval EFI_UNSUPPORTED The requested feature is unsupported in this\r
+ MNP implementation.\r
+ @retval EFI_NOT_STARTED This MNP child driver instance has not been\r
+ configured. The default values are returned in\r
+ MnpConfigData if it is not NULL.\r
+ @retval Other The mode data could not be read.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
MnpGetModeData (\r
IN EFI_MANAGED_NETWORK_PROTOCOL *This,\r
- OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,\r
- OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL\r
+ OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData, OPTIONAL\r
+ OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL\r
);\r
\r
+/**\r
+ Sets or clears the operational parameters for the MNP child driver. \r
+ \r
+ The Configure() function is used to set, change, or reset the operational \r
+ parameters for the MNP child driver instance. Until the operational parameters\r
+ have been set, no network traffic can be sent or received by this MNP child\r
+ driver instance. Once the operational parameters have been reset, no more\r
+ traffic can be sent or received until the operational parameters have been set\r
+ again.\r
+ Each MNP child driver instance can be started and stopped independently of\r
+ each other by setting or resetting their receive filter settings with the\r
+ Configure() function.\r
+ After any successful call to Configure(), the MNP child driver instance is\r
+ started. The internal periodic timer (if supported) is enabled. Data can be\r
+ transmitted and may be received if the receive filters have also been enabled.\r
+ Note: If multiple MNP child driver instances will receive the same packet\r
+ because of overlapping receive filter settings, then the first MNP child\r
+ driver instance will receive the original packet and additional instances will\r
+ receive copies of the original packet.\r
+ Note: Warning: Receive filter settings that overlap will consume extra\r
+ processor and/or DMA resources and degrade system and network performance.\r
+\r
+ @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.\r
+ @param MnpConfigData Pointer to configuration data that will be assigned\r
+ to the MNP child driver instance. If NULL, the MNP\r
+ child driver instance is reset to startup defaults\r
+ and all pending transmit and receive requests are\r
+ flushed. Type EFI_MANAGED_NETWORK_CONFIG_DATA is\r
+ defined in\r
+ EFI_MANAGED_NETWORK_PROTOCOL.GetModeData().\r
+\r
+ @retval EFI_SUCCESS The operation completed successfully.\r
+ @retval EFI_INVALID_PARAMETER One or more of the following conditions is\r
+ TRUE:\r
+ * This is NULL.\r
+ * MnpConfigData.ProtocolTypeFilter is not\r
+ valid.\r
+ The operational data for the MNP child driver\r
+ instance is unchanged.\r
+ @retval EFI_OUT_OF_RESOURCES Required system resources (usually memory)\r
+ could not be allocated.\r
+ The MNP child driver instance has been reset to\r
+ startup defaults.\r
+ @retval EFI_UNSUPPORTED The requested feature is unsupported in\r
+ this [MNP] implementation. The operational data\r
+ for the MNP child driver instance is unchanged.\r
+ @retval EFI_DEVICE_ERROR An unexpected network or system error\r
+ occurred. The MNP child driver instance has\r
+ been reset to startup defaults.\r
+ @retval Other The MNP child driver instance has been reset to\r
+ startup defaults.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
MnpConfigure (\r
IN EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL\r
);\r
\r
+/**\r
+ Translates an IP multicast address to a hardware (MAC) multicast address. This \r
+ function may be unsupported in some MNP implementations. \r
+ \r
+ The McastIpToMac() function translates an IP multicast address to a hardware\r
+ (MAC) multicast address. This function may be implemented by calling the\r
+ underlying EFI_SIMPLE_NETWORK.MCastIpToMac() function, which may also be\r
+ unsupported in some MNP implementations.\r
+\r
+ @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.\r
+ @param Ipv6Flag Set to TRUE to if IpAddress is an IPv6 multicast address.\r
+ Set to FALSE if IpAddress is an IPv4 multicast address.\r
+ @param IpAddress Pointer to the multicast IP address (in network byte order)\r
+ to convert.\r
+ @param MacAddress Pointer to the resulting multicast MAC address. \r
+\r
+ @retval EFI_SUCCESS The operation completed successfully.\r
+ @retval EFI_INVALID_PARAMETER One of the following conditions is TRUE:\r
+ * This is NULL.\r
+ * IpAddress is NULL.\r
+ * IpAddress is not a valid multicast IP\r
+ address.\r
+ * MacAddress is NULL.\r
+ @retval EFI_NOT_STARTED This MNP child driver instance has not been\r
+ configured.\r
+ @retval EFI_UNSUPPORTED The requested feature is unsupported in this\r
+ MNP implementation.\r
+ @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.\r
+ @retval Other The address could not be converted.\r
+**/\r
EFI_STATUS\r
EFIAPI\r
MnpMcastIpToMac (\r
OUT EFI_MAC_ADDRESS *MacAddress\r
);\r
\r
+/**\r
+ Enables and disables receive filters for multicast address. This function may \r
+ be unsupported in some MNP implementations.\r
+ \r
+ The Groups() function only adds and removes multicast MAC addresses from the \r
+ filter list. The MNP driver does not transmit or process Internet Group\r
+ Management Protocol (IGMP) packets. If JoinFlag is FALSE and MacAddress is\r
+ NULL, then all joined groups are left.\r
+ \r
+ @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.\r
+ @param JoinFlag Set to TRUE to join this multicast group.\r
+ Set to FALSE to leave this multicast group.\r
+ @param MacAddress Pointer to the multicast MAC group (address) to join or\r
+ leave.\r
+\r
+ @retval EFI_SUCCESS The requested operation completed successfully.\r
+ @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
+ * This is NULL.\r
+ * JoinFlag is TRUE and MacAddress is NULL.\r
+ * MacAddress is not a valid multicast MAC\r
+ address.\r
+ * The MNP multicast group settings are\r
+ unchanged.\r
+ @retval EFI_NOT_STARTED This MNP child driver instance has not been\r
+ configured.\r
+ @retval EFI_ALREADY_STARTED The supplied multicast group is already joined.\r
+ @retval EFI_NOT_FOUND The supplied multicast group is not joined.\r
+ @retval EFI_DEVICE_ERROR An unexpected network or system error occurred.\r
+ The MNP child driver instance has been reset to\r
+ startup defaults.\r
+ @retval EFI_UNSUPPORTED The requested feature is unsupported in this MNP\r
+ implementation.\r
+ @retval Other The requested operation could not be completed.\r
+ The MNP multicast group settings are unchanged.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
MnpGroups (\r
IN EFI_MAC_ADDRESS *MacAddress OPTIONAL\r
);\r
\r
+/**\r
+ Places asynchronous outgoing data packets into the transmit queue.\r
+ \r
+ The Transmit() function places a completion token into the transmit packet \r
+ queue. This function is always asynchronous.\r
+ The caller must fill in the Token.Event and Token.TxData fields in the\r
+ completion token, and these fields cannot be NULL. When the transmit operation\r
+ completes, the MNP updates the Token.Status field and the Token.Event is\r
+ signaled.\r
+ Note: There may be a performance penalty if the packet needs to be\r
+ defragmented before it can be transmitted by the network device. Systems in\r
+ which performance is critical should review the requirements and features of\r
+ the underlying communications device and drivers.\r
+ \r
+ \r
+ @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.\r
+ @param Token Pointer to a token associated with the transmit data\r
+ descriptor. Type EFI_MANAGED_NETWORK_COMPLETION_TOKEN is\r
+ defined in "Related Definitions" below.\r
+\r
+ @retval EFI_SUCCESS The transmit completion token was cached.\r
+ @retval EFI_NOT_STARTED This MNP child driver instance has not been\r
+ configured.\r
+ @retval EFI_INVALID_PARAMETER One or more of the following conditions is\r
+ TRUE:\r
+ * This is NULL.\r
+ * Token is NULL.\r
+ * Token.Event is NULL.\r
+ * Token.TxData is NULL.\r
+ * Token.TxData.DestinationAddress is not\r
+ NULL and Token.TxData.HeaderLength is zero.\r
+ * Token.TxData.FragmentCount is zero.\r
+ * (Token.TxData.HeaderLength +\r
+ Token.TxData.DataLength) is not equal to the\r
+ sum of the\r
+ Token.TxData.FragmentTable[].FragmentLength\r
+ fields.\r
+ * One or more of the\r
+ Token.TxData.FragmentTable[].FragmentLength\r
+ fields is zero.\r
+ * One or more of the\r
+ Token.TxData.FragmentTable[].FragmentBufferfields\r
+ is NULL.\r
+ * Token.TxData.DataLength is greater than MTU.\r
+ @retval EFI_ACCESS_DENIED The transmit completion token is already in the\r
+ transmit queue.\r
+ @retval EFI_OUT_OF_RESOURCES The transmit data could not be queued due to a\r
+ lack of system resources (usually memory). \r
+ @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
+ The MNP child driver instance has been reset to\r
+ startup defaults.\r
+ @retval EFI_NOT_READY The transmit request could not be queued because\r
+ the transmit queue is full.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
MnpTransmit (\r
IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token\r
);\r
\r
+/**\r
+ Aborts an asynchronous transmit or receive request. \r
+ \r
+ The Cancel() function is used to abort a pending transmit or receive request.\r
+ If the token is in the transmit or receive request queues, after calling this\r
+ function, Token.Status will be set to EFI_ABORTED and then Token.Event will be\r
+ signaled. If the token is not in one of the queues, which usually means that\r
+ the asynchronous operation has completed, this function will not signal the\r
+ token and EFI_NOT_FOUND is returned.\r
+\r
+ @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.\r
+ @param Token Pointer to a token that has been issued by\r
+ EFI_MANAGED_NETWORK_PROTOCOL.Transmit() or\r
+ EFI_MANAGED_NETWORK_PROTOCOL.Receive(). If NULL, all pending\r
+ tokens are aborted.\r
+\r
+ @retval EFI_SUCCESS The asynchronous I/O request was aborted and\r
+ Token.Event was signaled. When Token is NULL,\r
+ all pending requests were aborted and their\r
+ events were signaled.\r
+ @retval EFI_NOT_STARTED This MNP child driver instance has not been\r
+ configured.\r
+ @retval EFI_INVALID_PARAMETER This is NULL.\r
+ @retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O\r
+ request was not found in the transmit or\r
+ receive queue. It has either completed or was\r
+ not issued by Transmit() and Receive().\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
MnpCancel (\r
IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token OPTIONAL\r
);\r
\r
+/**\r
+ Places an asynchronous receiving request into the receiving queue.\r
+ \r
+ The Receive() function places a completion token into the receive packet \r
+ queue. This function is always asynchronous.\r
+ The caller must fill in the Token.Event field in the completion token, and\r
+ this field cannot be NULL. When the receive operation completes, the MNP\r
+ updates the Token.Status and Token.RxData fields and the Token.Event is\r
+ signaled.\r
+ \r
+ @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.\r
+ @param Token Pointer to a token associated with the receive\r
+ data descriptor. Type\r
+ EFI_MANAGED_NETWORK_COMPLETION_TOKEN is defined in\r
+ EFI_MANAGED_NETWORK_PROTOCOL.Transmit().\r
+\r
+ @retval EFI_SUCCESS The receive completion token was cached.\r
+ @retval EFI_NOT_STARTED This MNP child driver instance has not been\r
+ configured.\r
+ @retval EFI_INVALID_PARAMETER One or more of the following conditions is\r
+ TRUE:\r
+ * This is NULL.\r
+ * Token is NULL.\r
+ * Token.Event is NULL\r
+ @retval EFI_OUT_OF_RESOURCES The transmit data could not be queued due to a\r
+ lack of system resources (usually memory).\r
+ @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
+ The MNP child driver instance has been reset to\r
+ startup defaults.\r
+ @retval EFI_ACCESS_DENIED The receive completion token was already in the\r
+ receive queue.\r
+ @retval EFI_NOT_READY The receive request could not be queued because\r
+ the receive queue is full.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
MnpReceive (\r
IN EFI_MANAGED_NETWORK_COMPLETION_TOKEN *Token\r
);\r
\r
+/**\r
+ Polls for incoming data packets and processes outgoing data packets. \r
+ \r
+ The Poll() function can be used by network drivers and applications to \r
+ increase the rate that data packets are moved between the communications\r
+ device and the transmit and receive queues.\r
+ Normally, a periodic timer event internally calls the Poll() function. But, in\r
+ some systems, the periodic timer event may not call Poll() fast enough to\r
+ transmit and/or receive all data packets without missing packets. Drivers and\r
+ applications that are experiencing packet loss should try calling the Poll()\r
+ function more often.\r
+\r
+ @param This Pointer to the EFI_MANAGED_NETWORK_PROTOCOL instance.\r
+\r
+ @retval EFI_SUCCESS Incoming or outgoing data was processed.\r
+ @retval EFI_NOT_STARTED This MNP child driver instance has not been\r
+ configured.\r
+ @retval EFI_DEVICE_ERROR An unexpected system or network error occurred. The\r
+ MNP child driver instance has been reset to startup\r
+ defaults.\r
+ @retval EFI_NOT_READY No incoming or outgoing data was processed. Consider\r
+ increasing the polling rate.\r
+ @retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive\r
+ queue. Consider increasing the polling rate.\r
+\r
+**/\r
EFI_STATUS\r
EFIAPI\r
MnpPoll (\r
projects / mirror_edk2.git / blobdiff