/** @file\r
Declaration of structures and functions of MnpDxe driver.\r
\r
-Copyright (c) 2005 - 2009, Intel Corporation.<BR>\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions\r
-of the BSD License which accompanies this distribution. The full\r
-text of the license may be found at<BR>\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
\r
#define MNP_SYS_POLL_INTERVAL (10 * TICKS_PER_MS) // 10 milliseconds\r
#define MNP_TIMEOUT_CHECK_INTERVAL (50 * TICKS_PER_MS) // 50 milliseconds\r
+#define MNP_MEDIA_DETECT_INTERVAL (500 * TICKS_PER_MS) // 500 milliseconds\r
#define MNP_TX_TIMEOUT_TIME (500 * TICKS_PER_MS) // 500 milliseconds\r
#define MNP_INIT_NET_BUFFER_NUM 512\r
#define MNP_NET_BUFFER_INCREASEMENT 64\r
#define MNP_MAX_NET_BUFFER_NUM 65536\r
+#define MNP_TX_BUFFER_INCREASEMENT 32 // Same as the recycling Q length for xmit_done in UNDI command.\r
+#define MNP_MAX_TX_BUFFER_NUM 65536\r
\r
#define MNP_MAX_RCVD_PACKET_QUE_SIZE 256\r
\r
UINT64 TimeoutTick;\r
} MNP_RXDATA_WRAP;\r
\r
+#define MNP_TX_BUF_WRAP_SIGNATURE SIGNATURE_32 ('M', 'T', 'B', 'W')\r
+\r
+typedef struct {\r
+ UINT32 Signature;\r
+ LIST_ENTRY WrapEntry; // Link to FreeTxBufList\r
+ LIST_ENTRY AllEntry; // Link to AllTxBufList\r
+ BOOLEAN InUse;\r
+ UINT8 TxBuf[1];\r
+} MNP_TX_BUF_WRAP;\r
\r
/**\r
Initialize the mnp device context data.\r
\r
**/\r
EFI_STATUS\r
+EFIAPI\r
MnpTokenExist (\r
IN NET_MAP *Map,\r
IN NET_MAP_ITEM *Item,\r
\r
**/\r
EFI_STATUS\r
+EFIAPI\r
MnpCancelTokens (\r
IN OUT NET_MAP *Map,\r
IN OUT NET_MAP_ITEM *Item,\r
@param[out] PktLen Pointer to a UINT32 variable used to record the packet's\r
length.\r
\r
+ @retval EFI_SUCCESS TxPackage is built.\r
+ @retval EFI_OUT_OF_RESOURCES The deliver fails due to lack of memory resource.\r
+\r
**/\r
-VOID\r
+EFI_STATUS\r
MnpBuildTxPacket (\r
IN MNP_SERVICE_DATA *MnpServiceData,\r
IN EFI_MANAGED_NETWORK_TRANSMIT_DATA *TxData,\r
/**\r
Synchronously send out the packet.\r
\r
+ This functon places the packet buffer to SNP driver's tansmit queue. The packet\r
+ can be considered successfully sent out once SNP acccetp the packet, while the\r
+ packet buffer recycle is deferred for better performance.\r
+\r
@param[in] MnpServiceData Pointer to the mnp service context data.\r
@param[in] Packet Pointer to the pakcet buffer.\r
@param[in] Length The length of the packet.\r
IN OUT NET_BUF *Nbuf\r
);\r
\r
+/**\r
+ Allocate a free TX buffer from MnpDeviceData->FreeTxBufList. If there is none\r
+ in the queue, first try to recycle some from SNP, then try to allocate some and add\r
+ them into the queue, then fetch the NET_BUF from the updated FreeTxBufList.\r
+\r
+ @param[in, out] MnpDeviceData Pointer to the MNP_DEVICE_DATA.\r
+\r
+ @return Pointer to the allocated free NET_BUF structure, if NULL the\r
+ operation is failed.\r
+\r
+**/\r
+UINT8 *\r
+MnpAllocTxBuf (\r
+ IN OUT MNP_DEVICE_DATA *MnpDeviceData\r
+ );\r
+\r
+/**\r
+ Try to recycle all the transmitted buffer address from SNP.\r
+\r
+ @param[in, out] MnpDeviceData Pointer to the mnp device context data.\r
+\r
+ @retval EFI_SUCCESS Successed to recyclethe transmitted buffer address.\r
+ @retval Others Failed to recyclethe transmitted buffer address.\r
+\r
+**/\r
+EFI_STATUS\r
+MnpRecycleTxBuf (\r
+ IN OUT MNP_DEVICE_DATA *MnpDeviceData\r
+ );\r
+\r
/**\r
Remove the received packets if timeout occurs.\r
\r
- @param[in] Event The event this notify function registered to.\r
- @param[in] Context Pointer to the context data registered to the\r
- event.\r
+ @param[in] Event The event this notify function registered to.\r
+ @param[in] Context Pointer to the context data registered to the event.\r
\r
**/\r
VOID\r
IN VOID *Context\r
);\r
\r
+/**\r
+ Poll to update MediaPresent field in SNP ModeData by Snp.GetStatus().\r
+\r
+ @param[in] Event The event this notify function registered to.\r
+ @param[in] Context Pointer to the context data registered to the event.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+MnpCheckMediaStatus (\r
+ IN EFI_EVENT Event,\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[in] Event The event this notify function registered to.\r
- @param[in, out] Context Pointer to the context data registered to the event.\r
+ @param[in] Event The event this notify function registered to.\r
+ @param[in] Context Pointer to the context data registered to the event.\r
\r
**/\r
VOID\r
EFIAPI\r
MnpSystemPoll (\r
- IN EFI_EVENT Event,\r
- IN OUT VOID *Context\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
);\r
\r
/**\r
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