+++ /dev/null
-/** @file\r
- Implement the interface to the AX88772 Ethernet controller.\r
-\r
- This module implements the interface to the ASIX AX88772\r
- USB to Ethernet MAC with integrated 10/100 PHY. Note that this implementation\r
- only supports the integrated PHY since no other test cases were available.\r
-\r
- Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
- SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-#include "Ax88772.h"\r
-\r
-\r
-/**\r
- Compute the CRC\r
-\r
- @param [in] pMacAddress Address of a six byte buffer to containing the MAC address.\r
-\r
- @returns The CRC-32 value associated with this MAC address\r
-\r
-**/\r
-UINT32\r
-Ax88772Crc (\r
- IN UINT8 * pMacAddress\r
- )\r
-{\r
- UINT32 BitNumber;\r
- INT32 Carry;\r
- INT32 Crc;\r
- UINT32 Data;\r
- UINT8 * pEnd;\r
-\r
- DBG_ENTER ( );\r
-\r
- //\r
- // Walk the MAC address\r
- //\r
- Crc = -1;\r
- pEnd = &pMacAddress[ PXE_HWADDR_LEN_ETHER ];\r
- while ( pEnd > pMacAddress ) {\r
- Data = *pMacAddress++;\r
- \r
- \r
- //\r
- // CRC32: x32 + x26 + x23 + x22 + x16 + x12 + x11 + x10 + x8 + x7 + x5 + x4 + x2 + x + 1\r
- //\r
- // 1 0000 0100 1100 0001 0001 1101 1011 0111\r
- //\r
- for ( BitNumber = 0; 8 > BitNumber; BitNumber++ ) {\r
- Carry = (( Crc >> 31 ) & 1 ) ^ ( Data & 1 );\r
- Crc <<= 1;\r
- if ( 0 != Carry ) {\r
- Crc ^= 0x04c11db7;\r
- }\r
- Data >>= 1;\r
- }\r
- }\r
-\r
- //\r
- // Return the CRC value\r
- //\r
- DBG_EXIT_HEX ( Crc );\r
- return (UINT32) Crc;\r
-}\r
-\r
-\r
-/**\r
- Get the MAC address\r
-\r
- This routine calls ::Ax88772UsbCommand to request the MAC\r
- address from the network adapter.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
- @param [out] pMacAddress Address of a six byte buffer to receive the MAC address.\r
-\r
- @retval EFI_SUCCESS The MAC address is available.\r
- @retval other The MAC address is not valid.\r
-\r
-**/\r
-EFI_STATUS\r
-Ax88772MacAddressGet (\r
- IN NIC_DEVICE * pNicDevice,\r
- OUT UINT8 * pMacAddress\r
- )\r
-{\r
- USB_DEVICE_REQUEST SetupMsg;\r
- EFI_STATUS Status;\r
- \r
- DBG_ENTER ( );\r
- \r
- //\r
- // Set the register address.\r
- //\r
- SetupMsg.RequestType = USB_ENDPOINT_DIR_IN\r
- | USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_MAC_ADDRESS_READ;\r
- SetupMsg.Value = 0;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = PXE_HWADDR_LEN_ETHER;\r
-\r
- //\r
- // Read the PHY register\r
- //\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- pMacAddress );\r
-\r
- //\r
- // Return the operation status\r
- //\r
- DBG_EXIT_STATUS ( Status );\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Set the MAC address\r
-\r
- This routine calls ::Ax88772UsbCommand to set the MAC address\r
- in the network adapter.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
- @param [in] pMacAddress Address of a six byte buffer to containing the new MAC address.\r
-\r
- @retval EFI_SUCCESS The MAC address was set.\r
- @retval other The MAC address was not set.\r
-\r
-**/\r
-EFI_STATUS\r
-Ax88772MacAddressSet (\r
- IN NIC_DEVICE * pNicDevice,\r
- IN UINT8 * pMacAddress\r
- )\r
-{\r
- USB_DEVICE_REQUEST SetupMsg;\r
- EFI_STATUS Status;\r
- \r
- DBG_ENTER ( );\r
- \r
- //\r
- // Set the register address.\r
- //\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_MAC_ADDRESS_WRITE;\r
- SetupMsg.Value = 0;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = PXE_HWADDR_LEN_ETHER;\r
- \r
- //\r
- // Read the PHY register\r
- //\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- pMacAddress );\r
- \r
- //\r
- // Return the operation status\r
- //\r
- DBG_EXIT_STATUS ( Status );\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Clear the multicast hash table\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
-\r
-**/\r
-VOID\r
-Ax88772MulticastClear (\r
- IN NIC_DEVICE * pNicDevice\r
- )\r
-{\r
- DBG_ENTER ( );\r
-\r
- //\r
- // Clear the multicast hash table\r
- //\r
- pNicDevice->MulticastHash[0] = 0;\r
- pNicDevice->MulticastHash[1] = 0;\r
-\r
- DBG_EXIT ( );\r
-}\r
-\r
-\r
-/**\r
- Enable a multicast address in the multicast hash table\r
-\r
- This routine calls ::Ax88772Crc to compute the hash bit for\r
- this MAC address.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
- @param [in] pMacAddress Address of a six byte buffer to containing the MAC address.\r
-\r
-**/\r
-VOID\r
-Ax88772MulticastSet (\r
- IN NIC_DEVICE * pNicDevice,\r
- IN UINT8 * pMacAddress\r
- )\r
-{\r
- UINT32 BitNumber;\r
- UINT32 Crc;\r
- UINT32 Mask;\r
-\r
- DBG_ENTER ( );\r
-\r
- //\r
- // Compute the CRC on the destination address\r
- //\r
- Crc = Ax88772Crc ( pMacAddress );\r
-\r
- //\r
- // Set the bit corresponding to the destination address\r
- //\r
- BitNumber = Crc >> 26;\r
- if ( 32 > BitNumber ) {\r
- Mask = 1 << BitNumber;\r
- pNicDevice->MulticastHash[0] |= Mask;\r
- }\r
- else {\r
- Mask = 1 << ( BitNumber - 32 );\r
- pNicDevice->MulticastHash[1] |= Mask;\r
- }\r
-\r
- //\r
- // Display the multicast address\r
- //\r
- DEBUG (( DEBUG_RX_MULTICAST | DEBUG_INFO,\r
- "Enable multicast: 0x%02x-%02x-%02x-%02x-%02x-%02x, CRC: 0x%08x, Bit number: 0x%02x\r\n",\r
- pMacAddress[0],\r
- pMacAddress[1],\r
- pMacAddress[2],\r
- pMacAddress[3],\r
- pMacAddress[4],\r
- pMacAddress[5],\r
- Crc,\r
- BitNumber ));\r
-\r
- DBG_EXIT ( );\r
-}\r
-\r
-\r
-/**\r
- Start the link negotiation\r
-\r
- This routine calls ::Ax88772PhyWrite to start the PHY's link\r
- negotiation.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
-\r
- @retval EFI_SUCCESS The link negotiation was started.\r
- @retval other Failed to start the link negotiation.\r
-\r
-**/\r
-EFI_STATUS\r
-Ax88772NegotiateLinkStart (\r
- IN NIC_DEVICE * pNicDevice\r
- )\r
-{\r
- UINT16 Control;\r
- EFI_STATUS Status;\r
-\r
- DBG_ENTER ( );\r
-\r
- //\r
- // Set the supported capabilities.\r
- //\r
- Status = Ax88772PhyWrite ( pNicDevice,\r
- PHY_ANAR,\r
- AN_CSMA_CD\r
- | AN_TX_FDX | AN_TX_HDX\r
- | AN_10_FDX | AN_10_HDX );\r
- if ( !EFI_ERROR ( Status )) {\r
- //\r
- // Set the link speed and duplex\r
- //\r
- Control = BMCR_AUTONEGOTIATION_ENABLE\r
- | BMCR_RESTART_AUTONEGOTIATION;\r
- if ( pNicDevice->b100Mbps ) {\r
- Control |= BMCR_100MBPS;\r
- }\r
- if ( pNicDevice->bFullDuplex ) {\r
- Control |= BMCR_FULL_DUPLEX;\r
- }\r
- Status = Ax88772PhyWrite ( pNicDevice, PHY_BMCR, Control );\r
- }\r
-\r
- //\r
- // Return the operation status\r
- //\r
- DBG_EXIT_STATUS ( Status );\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Complete the negotiation of the PHY link\r
-\r
- This routine calls ::Ax88772PhyRead to determine if the\r
- link negotiation is complete.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
- @param [in, out] pPollCount Address of number of times this routine was polled\r
- @param [out] pbComplete Address of boolean to receive complate status.\r
- @param [out] pbLinkUp Address of boolean to receive link status, TRUE=up.\r
- @param [out] pbHiSpeed Address of boolean to receive link speed, TRUE=100Mbps.\r
- @param [out] pbFullDuplex Address of boolean to receive link duplex, TRUE=full.\r
-\r
- @retval EFI_SUCCESS The MAC address is available.\r
- @retval other The MAC address is not valid.\r
-\r
-**/\r
-EFI_STATUS\r
-Ax88772NegotiateLinkComplete (\r
- IN NIC_DEVICE * pNicDevice,\r
- IN OUT UINTN * pPollCount,\r
- OUT BOOLEAN * pbComplete,\r
- OUT BOOLEAN * pbLinkUp,\r
- OUT BOOLEAN * pbHiSpeed,\r
- OUT BOOLEAN * pbFullDuplex\r
- )\r
-{\r
- UINT16 Mask;\r
- UINT16 PhyData;\r
- EFI_STATUS Status;\r
-\r
- DBG_ENTER ( );\r
- \r
- //\r
- // Determine if the link is up.\r
- //\r
- *pbComplete = FALSE;\r
-\r
- //\r
- // Get the link status\r
- //\r
- Status = Ax88772PhyRead ( pNicDevice,\r
- PHY_BMSR,\r
- &PhyData );\r
- if ( !EFI_ERROR ( Status )) {\r
- //\r
- // Determine if the autonegotiation is complete.\r
- //\r
- *pbLinkUp = (BOOLEAN)( 0 != ( PhyData & BMSR_LINKST ));\r
- *pbComplete = *pbLinkUp;\r
- if ( 0 != *pbComplete ) {\r
- //\r
- // Get the partners capabilities.\r
- //\r
- Status = Ax88772PhyRead ( pNicDevice,\r
- PHY_ANLPAR,\r
- &PhyData );\r
- if ( !EFI_ERROR ( Status )) {\r
- //\r
- // Autonegotiation is complete\r
- // Determine the link speed.\r
- //\r
- *pbHiSpeed = (BOOLEAN)( 0 != ( PhyData & ( AN_TX_FDX | AN_TX_HDX )));\r
-\r
- //\r
- // Determine the link duplex.\r
- //\r
- Mask = ( *pbHiSpeed ) ? AN_TX_FDX : AN_10_FDX;\r
- *pbFullDuplex = (BOOLEAN)( 0 != ( PhyData & Mask ));\r
- }\r
- }\r
- }\r
-\r
- //\r
- // Return the operation status\r
- //\r
- DBG_EXIT_STATUS ( Status );\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Read a register from the PHY\r
-\r
- This routine calls ::Ax88772UsbCommand to read a PHY register.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
- @param [in] RegisterAddress Number of the register to read.\r
- @param [in, out] pPhyData Address of a buffer to receive the PHY register value\r
-\r
- @retval EFI_SUCCESS The PHY data is available.\r
- @retval other The PHY data is not valid.\r
-\r
-**/\r
-EFI_STATUS\r
-Ax88772PhyRead (\r
- IN NIC_DEVICE * pNicDevice,\r
- IN UINT8 RegisterAddress,\r
- IN OUT UINT16 * pPhyData\r
- )\r
-{\r
- USB_DEVICE_REQUEST SetupMsg;\r
- EFI_STATUS Status;\r
-\r
- DBG_ENTER ( );\r
-\r
- //\r
- // Request access to the PHY\r
- //\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_PHY_ACCESS_SOFTWARE;\r
- SetupMsg.Value = 0;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = 0;\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- NULL );\r
- if ( !EFI_ERROR ( Status )) {\r
- //\r
- // Read the PHY register address.\r
- //\r
- SetupMsg.RequestType = USB_ENDPOINT_DIR_IN\r
- | USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_PHY_REG_READ;\r
- SetupMsg.Value = pNicDevice->PhyId;\r
- SetupMsg.Index = RegisterAddress;\r
- SetupMsg.Length = sizeof ( *pPhyData );\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- pPhyData );\r
- if ( !EFI_ERROR ( Status )) {\r
- DEBUG (( DEBUG_PHY | DEBUG_INFO,\r
- "PHY %d: 0x%02x --> 0x%04x\r\n",\r
- pNicDevice->PhyId,\r
- RegisterAddress,\r
- *pPhyData ));\r
-\r
- //\r
- // Release the PHY to the hardware\r
- //\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_PHY_ACCESS_HARDWARE;\r
- SetupMsg.Value = 0;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = 0;\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- NULL );\r
- }\r
- }\r
-\r
- //\r
- // Return the operation status.\r
- //\r
- DBG_EXIT_STATUS ( Status );\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Write to a PHY register\r
-\r
- This routine calls ::Ax88772UsbCommand to write a PHY register.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
- @param [in] RegisterAddress Number of the register to read.\r
- @param [in] PhyData Address of a buffer to receive the PHY register value\r
-\r
- @retval EFI_SUCCESS The PHY data was written.\r
- @retval other Failed to wwrite the PHY register.\r
-\r
-**/\r
-EFI_STATUS\r
-Ax88772PhyWrite (\r
- IN NIC_DEVICE * pNicDevice,\r
- IN UINT8 RegisterAddress,\r
- IN UINT16 PhyData\r
- )\r
-{\r
- USB_DEVICE_REQUEST SetupMsg;\r
- EFI_STATUS Status;\r
- \r
- DBG_ENTER ( );\r
- \r
- //\r
- // Request access to the PHY\r
- //\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_PHY_ACCESS_SOFTWARE;\r
- SetupMsg.Value = 0;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = 0;\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- NULL );\r
- if ( !EFI_ERROR ( Status )) {\r
- //\r
- // Write the PHY register\r
- //\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_PHY_REG_WRITE;\r
- SetupMsg.Value = pNicDevice->PhyId;\r
- SetupMsg.Index = RegisterAddress;\r
- SetupMsg.Length = sizeof ( PhyData );\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- &PhyData );\r
- if ( !EFI_ERROR ( Status )) {\r
- DEBUG (( DEBUG_PHY | DEBUG_INFO,\r
- "PHY %d: 0x%02x <-- 0x%04x\r\n",\r
- pNicDevice->PhyId,\r
- RegisterAddress,\r
- PhyData ));\r
-\r
- //\r
- // Release the PHY to the hardware\r
- //\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_PHY_ACCESS_HARDWARE;\r
- SetupMsg.Value = 0;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = 0;\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- NULL );\r
- }\r
- }\r
-\r
- //\r
- // Return the operation status.\r
- //\r
- DBG_EXIT_STATUS ( Status );\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Reset the AX88772\r
-\r
- This routine uses ::Ax88772UsbCommand to reset the network\r
- adapter. This routine also uses ::Ax88772PhyWrite to reset\r
- the PHY.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
-\r
- @retval EFI_SUCCESS The MAC address is available.\r
- @retval other The MAC address is not valid.\r
-\r
-**/\r
-EFI_STATUS\r
-Ax88772Reset (\r
- IN NIC_DEVICE * pNicDevice\r
- )\r
-{\r
- USB_DEVICE_REQUEST SetupMsg;\r
- EFI_STATUS Status;\r
- \r
- DBG_ENTER ( );\r
-\r
- //\r
- // Turn off the MAC\r
- //\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_RX_CONTROL_WRITE;\r
- SetupMsg.Value = 0;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = 0;\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- NULL );\r
- if ( !EFI_ERROR ( Status )) {\r
- DEBUG (( DEBUG_PHY | DEBUG_RX_BROADCAST | DEBUG_RX_MULTICAST\r
- | DEBUG_RX_UNICAST | DEBUG_TX | DEBUG_INFO,\r
- "MAC reset\r\n" ));\r
-\r
- //\r
- // The link is now idle\r
- //\r
- pNicDevice->bLinkIdle = TRUE;\r
-\r
- //\r
- // Delay for a bit\r
- //\r
- gBS->Stall ( RESET_MSEC );\r
-\r
- //\r
- // Select the internal PHY\r
- //\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_PHY_SELECT;\r
- SetupMsg.Value = SPHY_PSEL;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = 0;\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- NULL );\r
- if ( !EFI_ERROR ( Status )) {\r
- //\r
- // Delay for a bit\r
- //\r
- gBS->Stall ( PHY_RESET_MSEC );\r
-\r
- //\r
- // Clear the internal PHY reset\r
- //\r
- SetupMsg.Request = CMD_RESET;\r
- SetupMsg.Value = SRR_IPRL | SRR_PRL;\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- NULL );\r
- if ( !EFI_ERROR ( Status )) {\r
- //\r
- // Reset the PHY\r
- //\r
- Status = Ax88772PhyWrite ( pNicDevice,\r
- PHY_BMCR,\r
- BMCR_RESET );\r
- if ( !EFI_ERROR ( Status )) {\r
- //\r
- // Set the gaps\r
- //\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_GAPS_WRITE;\r
- SetupMsg.Value = 0x0c15;\r
- SetupMsg.Index = 0x0e;\r
- SetupMsg.Length = 0;\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- NULL );\r
- }\r
- }\r
- }\r
- }\r
-\r
- //\r
- // Return the operation status.\r
- //\r
- DBG_EXIT_STATUS ( Status );\r
- return Status;\r
-}\r
-\r
-\r
-VOID \r
-FillPkt2Queue (\r
- IN NIC_DEVICE * pNicDevice,\r
- IN UINTN BufLength)\r
-{\r
-\r
- UINT16 * pLength;\r
- UINT16 * pLengthBar;\r
- UINT8* pData;\r
- UINT32 offset;\r
- RX_TX_PACKET * pRxPacket;\r
- EFI_STATUS Status;\r
- \r
- for ( offset = 0; offset < BufLength; ){\r
- pLength = (UINT16*) (pNicDevice->pBulkInBuff + offset);\r
- pLengthBar = (UINT16*) (pNicDevice->pBulkInBuff + offset +2);\r
- \r
- *pLength &= 0x7ff;\r
- *pLengthBar &= 0x7ff;\r
- *pLengthBar |= 0xf800;\r
- \r
- if ((*pLength ^ *pLengthBar ) != 0xFFFF) {\r
- DEBUG (( EFI_D_ERROR , "Pkt length error. BufLength = %d\n", BufLength));\r
- return;\r
- }\r
- \r
- pRxPacket = pNicDevice->pRxFree;\r
- if ( NULL == pRxPacket ) {\r
- Status = gBS->AllocatePool ( EfiRuntimeServicesData,\r
- sizeof( RX_TX_PACKET ),\r
- (VOID **) &pRxPacket );\r
- if ( !EFI_ERROR ( Status )) {\r
- //\r
- // Add this packet to the free packet list\r
- //\r
- pNicDevice->pRxFree = pRxPacket;\r
- pRxPacket->pNext = NULL;\r
- }\r
- else {\r
- //\r
- // Use the discard packet buffer\r
- //\r
- //pRxPacket = &Packet;\r
- }\r
- }\r
- \r
-\r
- pData = pNicDevice->pBulkInBuff + offset + 4;\r
- pRxPacket->Length = *pLength;\r
- pRxPacket->LengthBar = *(UINT16*) (pNicDevice->pBulkInBuff + offset +2);\r
- CopyMem (&pRxPacket->Data[0], pData, *pLength);\r
- //DEBUG((DEBUG_INFO, "Packet [%d]\n", *pLength));\r
- \r
- pNicDevice->pRxFree = pRxPacket->pNext;\r
- pRxPacket->pNext = NULL;\r
- \r
- if ( NULL == pNicDevice->pRxTail ) {\r
- pNicDevice->pRxHead = pRxPacket;\r
- }\r
- else {\r
- pNicDevice->pRxTail->pNext = pRxPacket;\r
- }\r
- pNicDevice->pRxTail = pRxPacket;\r
- offset += (*pLength + 4);\r
- \r
- }\r
-}\r
-\r
-\r
-\r
-/**\r
- Receive a frame from the network.\r
-\r
- This routine polls the USB receive interface for a packet. If a packet\r
- is available, this routine adds the receive packet to the list of\r
- pending receive packets.\r
-\r
- This routine calls ::Ax88772NegotiateLinkComplete to verify\r
- that the link is up. This routine also calls ::SN_Reset to\r
- reset the network adapter when necessary. Finally this\r
- routine attempts to receive one or more packets from the\r
- network adapter.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
- @param [in] bUpdateLink TRUE = Update link status\r
-\r
-**/\r
-VOID\r
-Ax88772Rx (\r
- IN NIC_DEVICE * pNicDevice,\r
- IN BOOLEAN bUpdateLink\r
- )\r
-{\r
- BOOLEAN bFullDuplex;\r
- BOOLEAN bLinkUp;\r
- BOOLEAN bRxPacket;\r
- BOOLEAN bSpeed100;\r
- UINTN LengthInBytes;\r
- RX_TX_PACKET Packet;\r
- RX_TX_PACKET * pRxPacket;\r
- EFI_USB_IO_PROTOCOL *pUsbIo;\r
- EFI_STATUS Status;\r
- EFI_TPL TplPrevious;\r
- UINT32 TransferStatus;\r
-\r
- //\r
- // Synchronize with Ax88772Timer\r
- //\r
- VERIFY_TPL ( TPL_AX88772 );\r
- TplPrevious = gBS->RaiseTPL ( TPL_AX88772 );\r
- DEBUG (( DEBUG_TPL | DEBUG_INFO,\r
- "%d: TPL\r\n",\r
- TPL_AX88772 ));\r
-\r
- //\r
- // Get the link status\r
- //\r
- if ( bUpdateLink ) {\r
- bLinkUp = pNicDevice->bLinkUp;\r
- bSpeed100 = pNicDevice->b100Mbps;\r
- bFullDuplex = pNicDevice->bFullDuplex;\r
- Status = Ax88772NegotiateLinkComplete ( pNicDevice,\r
- &pNicDevice->PollCount,\r
- &pNicDevice->bComplete,\r
- &pNicDevice->bLinkUp,\r
- &pNicDevice->b100Mbps,\r
- &pNicDevice->bFullDuplex );\r
-\r
- //\r
- // Determine if the autonegotiation is complete\r
- //\r
- if ( pNicDevice->bComplete ) {\r
- if ( pNicDevice->bLinkUp ) {\r
- if (( bSpeed100 && ( !pNicDevice->b100Mbps ))\r
- || (( !bSpeed100 ) && pNicDevice->b100Mbps )\r
- || ( bFullDuplex && ( !pNicDevice->bFullDuplex ))\r
- || (( !bFullDuplex ) && pNicDevice->bFullDuplex )) {\r
- pNicDevice->PollCount = 0;\r
- DEBUG (( DEBUG_LINK | DEBUG_INFO,\r
- "Reset to establish proper link setup: %d Mbps, %s duplex\r\n",\r
- pNicDevice->b100Mbps ? 100 : 10,\r
- pNicDevice->bFullDuplex ? L"Full" : L"Half" ));\r
- Status = SN_Reset ( &pNicDevice->SimpleNetwork, FALSE );\r
- }\r
- if (( !bLinkUp ) && pNicDevice->bLinkUp ) {\r
- //\r
- // Display the autonegotiation status\r
- //\r
- DEBUG (( DEBUG_LINK | DEBUG_INFO,\r
- "Link: Up, %d Mbps, %s duplex\r\n",\r
- pNicDevice->b100Mbps ? 100 : 10,\r
- pNicDevice->bFullDuplex ? L"Full" : L"Half" ));\r
- }\r
- }\r
- }\r
-\r
- //\r
- // Update the link status\r
- //\r
- if ( bLinkUp && ( !pNicDevice->bLinkUp )) {\r
- DEBUG (( DEBUG_LINK | DEBUG_INFO, "Link: Down\r\n" ));\r
- }\r
- }\r
-\r
- //\r
- // Loop until all the packets are emptied from the receiver\r
- //\r
- do {\r
- bRxPacket = FALSE;\r
-\r
- //\r
- // Locate a packet for use\r
- //\r
- pRxPacket = pNicDevice->pRxFree;\r
- LengthInBytes = MAX_BULKIN_SIZE;\r
- if ( NULL == pRxPacket ) {\r
- Status = gBS->AllocatePool ( EfiRuntimeServicesData,\r
- sizeof ( *pRxPacket ),\r
- (VOID **) &pRxPacket );\r
- if ( !EFI_ERROR ( Status )) {\r
- //\r
- // Add this packet to the free packet list\r
- //\r
- pNicDevice->pRxFree = pRxPacket;\r
- pRxPacket->pNext = NULL;\r
- }\r
- else {\r
- //\r
- // Use the discard packet buffer\r
- //\r
- pRxPacket = &Packet;\r
- }\r
- }\r
-\r
- //\r
- // Attempt to receive a packet\r
- //\r
- SetMem (&pNicDevice->pBulkInBuff[0], MAX_BULKIN_SIZE, 0);\r
- pUsbIo = pNicDevice->pUsbIo;\r
- Status = pUsbIo->UsbBulkTransfer ( pUsbIo,\r
- USB_ENDPOINT_DIR_IN | BULK_IN_ENDPOINT,\r
- &pNicDevice->pBulkInBuff[0],\r
- &LengthInBytes,\r
- 2,\r
- &TransferStatus );\r
- if ( LengthInBytes > 0 ) {\r
- FillPkt2Queue(pNicDevice, LengthInBytes);\r
- }\r
- pRxPacket = pNicDevice->pRxHead;\r
- if (( !EFI_ERROR ( Status ))\r
- && ( 0 < pRxPacket->Length )\r
- && ( pRxPacket->Length <= sizeof ( pRxPacket->Data ))\r
- && ( LengthInBytes > 0)) {\r
-\r
- //\r
- // Determine if the packet should be received\r
- //\r
- bRxPacket = TRUE;\r
- LengthInBytes = pRxPacket->Length;\r
- pNicDevice->bLinkIdle = FALSE;\r
- if ( pNicDevice->pRxFree == pRxPacket ) {\r
- //\r
- // Display the received packet\r
- //\r
- if ( 0 != ( pRxPacket->Data[0] & 1 )) {\r
- if (( 0xff == pRxPacket->Data[0])\r
- && ( 0xff == pRxPacket->Data[1])\r
- && ( 0xff == pRxPacket->Data[2])\r
- && ( 0xff == pRxPacket->Data[3])\r
- && ( 0xff == pRxPacket->Data[4])\r
- && ( 0xff == pRxPacket->Data[5])) {\r
- DEBUG (( DEBUG_RX_BROADCAST | DEBUG_INFO,\r
- "RX: %02x-%02x-%02x-%02x-%02x-%02x %02x-%02x-%02x-%02x-%02x-%02x %02x-%02x %d bytes\r\n",\r
- pRxPacket->Data[0],\r
- pRxPacket->Data[1],\r
- pRxPacket->Data[2],\r
- pRxPacket->Data[3],\r
- pRxPacket->Data[4],\r
- pRxPacket->Data[5],\r
- pRxPacket->Data[6],\r
- pRxPacket->Data[7],\r
- pRxPacket->Data[8],\r
- pRxPacket->Data[9],\r
- pRxPacket->Data[10],\r
- pRxPacket->Data[11],\r
- pRxPacket->Data[12],\r
- pRxPacket->Data[13],\r
- LengthInBytes ));\r
- }\r
- else {\r
- DEBUG (( DEBUG_RX_MULTICAST | DEBUG_INFO,\r
- "RX: %02x-%02x-%02x-%02x-%02x-%02x %02x-%02x-%02x-%02x-%02x-%02x %02x-%02x %d bytes\r\n",\r
- pRxPacket->Data[0],\r
- pRxPacket->Data[1],\r
- pRxPacket->Data[2],\r
- pRxPacket->Data[3],\r
- pRxPacket->Data[4],\r
- pRxPacket->Data[5],\r
- pRxPacket->Data[6],\r
- pRxPacket->Data[7],\r
- pRxPacket->Data[8],\r
- pRxPacket->Data[9],\r
- pRxPacket->Data[10],\r
- pRxPacket->Data[11],\r
- pRxPacket->Data[12],\r
- pRxPacket->Data[13],\r
- LengthInBytes ));\r
- }\r
- }\r
- else {\r
- DEBUG (( DEBUG_RX_UNICAST | DEBUG_INFO,\r
- "RX: %02x-%02x-%02x-%02x-%02x-%02x %02x-%02x-%02x-%02x-%02x-%02x %02x-%02x %d bytes\r\n",\r
- pRxPacket->Data[0],\r
- pRxPacket->Data[1],\r
- pRxPacket->Data[2],\r
- pRxPacket->Data[3],\r
- pRxPacket->Data[4],\r
- pRxPacket->Data[5],\r
- pRxPacket->Data[6],\r
- pRxPacket->Data[7],\r
- pRxPacket->Data[8],\r
- pRxPacket->Data[9],\r
- pRxPacket->Data[10],\r
- pRxPacket->Data[11],\r
- pRxPacket->Data[12],\r
- pRxPacket->Data[13],\r
- LengthInBytes ));\r
- }\r
- \r
- }\r
- else {\r
- //\r
- // Error, not enough buffers for this packet, discard packet\r
- //\r
- DEBUG (( DEBUG_WARN | DEBUG_INFO,\r
- "WARNING - No buffer, discarding RX packet: %02x-%02x-%02x-%02x-%02x-%02x %02x-%02x-%02x-%02x-%02x-%02x %02x-%02x %d bytes\r\n",\r
- pRxPacket->Data[0],\r
- pRxPacket->Data[1],\r
- pRxPacket->Data[2],\r
- pRxPacket->Data[3],\r
- pRxPacket->Data[4],\r
- pRxPacket->Data[5],\r
- pRxPacket->Data[6],\r
- pRxPacket->Data[7],\r
- pRxPacket->Data[8],\r
- pRxPacket->Data[9],\r
- pRxPacket->Data[10],\r
- pRxPacket->Data[11],\r
- pRxPacket->Data[12],\r
- pRxPacket->Data[13],\r
- LengthInBytes ));\r
- }\r
- }\r
- }while ( bRxPacket );\r
-\r
- //\r
- // Release the synchronization withhe Ax88772Timer\r
- //\r
- gBS->RestoreTPL ( TplPrevious );\r
- DEBUG (( DEBUG_TPL | DEBUG_INFO,\r
- "%d: TPL\r\n",\r
- TplPrevious ));\r
-}\r
-\r
-\r
-/**\r
- Enable or disable the receiver\r
-\r
- This routine calls ::Ax88772UsbCommand to update the\r
- receiver state. This routine also calls ::Ax88772MacAddressSet\r
- to establish the MAC address for the network adapter.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
- @param [in] RxFilter Simple network RX filter mask value\r
-\r
- @retval EFI_SUCCESS The MAC address was set.\r
- @retval other The MAC address was not set.\r
-\r
-**/\r
-EFI_STATUS\r
-Ax88772RxControl (\r
- IN NIC_DEVICE * pNicDevice,\r
- IN UINT32 RxFilter\r
- )\r
-{\r
- UINT16 MediumStatus;\r
- INT32 MulticastHash[2];\r
- UINT16 RxControl;\r
- USB_DEVICE_REQUEST SetupMsg;\r
- EFI_STATUS Status;\r
-\r
- DBG_ENTER ( );\r
-\r
- //\r
- // Disable all multicast\r
- //\r
- MulticastHash[0] = 0;\r
- MulticastHash[1] = 0;\r
-\r
- //\r
- // Enable the receiver if something is to be received\r
- //\r
- Status = EFI_SUCCESS;\r
- RxControl = RXC_SO | RXC_MFB_16384;\r
- if ( 0 != RxFilter ) {\r
- //\r
- // Enable the receiver\r
- //\r
- SetupMsg.RequestType = USB_ENDPOINT_DIR_IN\r
- | USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_MEDIUM_STATUS_READ;\r
- SetupMsg.Value = 0;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = sizeof ( MediumStatus );\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- &MediumStatus );\r
- if ( !EFI_ERROR ( Status )) {\r
- if ( 0 == ( MediumStatus & MS_RE )) {\r
- MediumStatus |= MS_RE | MS_ONE;\r
- if ( pNicDevice->bFullDuplex ) {\r
- MediumStatus |= MS_TFC | MS_RFC;\r
- }\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_MEDIUM_STATUS_WRITE;\r
- SetupMsg.Value = MediumStatus;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = 0;\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- NULL );\r
- if ( EFI_ERROR ( Status )) {\r
- DEBUG (( DEBUG_ERROR | DEBUG_INFO,\r
- "ERROR - Failed to enable receiver, Status: %r\r\n",\r
- Status ));\r
- }\r
- }\r
- }\r
- else {\r
- DEBUG (( DEBUG_ERROR | DEBUG_INFO,\r
- "ERROR - Failed to read receiver status, Status: %r\r\n",\r
- Status ));\r
- }\r
-\r
- //\r
- // Enable multicast if requested\r
- //\r
- if ( 0 != ( RxFilter & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST )) {\r
- RxControl |= RXC_AM;\r
- MulticastHash[0] = pNicDevice->MulticastHash[0];\r
- MulticastHash[1] = pNicDevice->MulticastHash[1];\r
- }\r
-\r
- //\r
- // Enable all multicast if requested\r
- //\r
- if ( 0 != ( RxFilter & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST )) {\r
- RxControl |= RXC_AMALL;\r
- MulticastHash[0] = -1;\r
- MulticastHash[1] = -1;\r
- }\r
-\r
- //\r
- // Enable broadcast if requested\r
- //\r
- if ( 0 != ( RxFilter & EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST )) {\r
- RxControl |= RXC_AB;\r
- }\r
-\r
- //\r
- // Enable promiscuous mode if requested\r
- //\r
- if ( 0 != ( RxFilter & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS )) {\r
- RxControl |= RXC_PRO;\r
- MulticastHash[0] = -1;\r
- MulticastHash[1] = -1;\r
- }\r
- }\r
-\r
- //\r
- // Update the MAC address\r
- //\r
- if ( !EFI_ERROR ( Status )) {\r
- Status = Ax88772MacAddressSet ( pNicDevice, &pNicDevice->SimpleNetworkData.CurrentAddress.Addr[0]);\r
- }\r
-\r
- //\r
- // Update the receiver control\r
- //\r
- if ( !EFI_ERROR ( Status )) {\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_RX_CONTROL_WRITE;\r
- SetupMsg.Value = RxControl;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = 0;\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- NULL );\r
- if ( !EFI_ERROR ( Status )) {\r
- DEBUG (( DEBUG_RX_BROADCAST | DEBUG_RX_MULTICAST | DEBUG_RX_UNICAST | DEBUG_INFO,\r
- "RxControl: 0x%04x\r\n",\r
- RxControl ));\r
-\r
- //\r
- // Update the multicast hash table\r
- //\r
- SetupMsg.RequestType = USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_MULTICAST_HASH_WRITE;\r
- SetupMsg.Value = 0;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = sizeof ( pNicDevice ->MulticastHash );\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- &pNicDevice->MulticastHash );\r
- if ( !EFI_ERROR ( Status )) {\r
- DEBUG (( DEBUG_RX_MULTICAST | DEBUG_INFO,\r
- "Multicast Hash: 0x%02x %02x %02x %02x %02x %02x %02x %02x\r\n",\r
- (UINT8) MulticastHash[0],\r
- (UINT8)( MulticastHash[0] >> 8 ),\r
- (UINT8)( MulticastHash[0] >> 16 ),\r
- (UINT8)( MulticastHash[0] >> 24 ),\r
- (UINT8) MulticastHash[1],\r
- (UINT8)( MulticastHash[1] >> 8 ),\r
- (UINT8)( MulticastHash[1] >> 16 ),\r
- (UINT8)( MulticastHash[1] >> 24 )));\r
- }\r
- else {\r
- DEBUG (( DEBUG_ERROR | DEBUG_INFO,\r
- "ERROR - Failed to update multicast hash table, Status: %r\r\n",\r
- Status ));\r
- }\r
- }\r
- else {\r
- DEBUG (( DEBUG_ERROR | DEBUG_INFO,\r
- "ERROR - Failed to set receiver control, Status: %r\r\n",\r
- Status ));\r
- }\r
- }\r
-\r
- //\r
- // Return the operation status\r
- //\r
- DBG_EXIT_STATUS ( Status );\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Read an SROM location\r
-\r
- This routine calls ::Ax88772UsbCommand to read data from the\r
- SROM.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
- @param [in] Address SROM address\r
- @param [out] pData Buffer to receive the data\r
-\r
- @retval EFI_SUCCESS The read was successful\r
- @retval other The read failed\r
-\r
-**/\r
-EFI_STATUS\r
-Ax88772SromRead (\r
- IN NIC_DEVICE * pNicDevice,\r
- IN UINT32 Address,\r
- OUT UINT16 * pData\r
- )\r
-{\r
- USB_DEVICE_REQUEST SetupMsg;\r
- EFI_STATUS Status;\r
-\r
- DBG_ENTER ( );\r
-\r
- //\r
- // Read a value from the SROM\r
- //\r
- SetupMsg.RequestType = USB_ENDPOINT_DIR_IN\r
- | USB_REQ_TYPE_VENDOR\r
- | USB_TARGET_DEVICE;\r
- SetupMsg.Request = CMD_SROM_READ;\r
- SetupMsg.Value = (UINT16) Address;\r
- SetupMsg.Index = 0;\r
- SetupMsg.Length = sizeof ( *pData );\r
- Status = Ax88772UsbCommand ( pNicDevice,\r
- &SetupMsg,\r
- pData );\r
-\r
- //\r
- // Return the operation status\r
- //\r
- DBG_EXIT_STATUS ( Status );\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- This routine is called at a regular interval to poll for\r
- receive packets.\r
-\r
- This routine polls the link state and gets any receive packets\r
- by calling ::Ax88772Rx.\r
-\r
- @param [in] Event Timer event\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
-\r
-**/\r
-VOID\r
-Ax88772Timer (\r
- IN EFI_EVENT Event,\r
- IN NIC_DEVICE * pNicDevice\r
- )\r
-{\r
- //\r
- // Use explicit DEBUG messages since the output frequency is too\r
- // high for DEBUG_INFO to keep up and have spare cycles for the\r
- // shell\r
- //\r
- DEBUG (( DEBUG_TIMER, "Entering Ax88772Timer\r\n" ));\r
-\r
- //\r
- // Poll the link state and get any receive packets\r
- //\r
- Ax88772Rx ( pNicDevice, FALSE );\r
-\r
- DEBUG (( DEBUG_TIMER, "Exiting Ax88772Timer\r\n" ));\r
-}\r
-\r
-\r
-/**\r
- Send a command to the USB device.\r
-\r
- @param [in] pNicDevice Pointer to the NIC_DEVICE structure\r
- @param [in] pRequest Pointer to the request structure\r
- @param [in, out] pBuffer Data buffer address\r
-\r
- @retval EFI_SUCCESS The USB transfer was successful\r
- @retval other The USB transfer failed\r
-\r
-**/\r
-EFI_STATUS\r
-Ax88772UsbCommand (\r
- IN NIC_DEVICE * pNicDevice,\r
- IN USB_DEVICE_REQUEST * pRequest,\r
- IN OUT VOID * pBuffer\r
- )\r
-{\r
- UINT32 CmdStatus;\r
- EFI_USB_DATA_DIRECTION Direction;\r
- EFI_USB_IO_PROTOCOL * pUsbIo;\r
- EFI_STATUS Status;\r
-\r
- DBG_ENTER ( );\r
-\r
- //\r
- // Determine the transfer direction\r
- //\r
- Direction = EfiUsbNoData;\r
- if ( 0 != pRequest->Length ) {\r
- Direction = ( 0 != ( pRequest->RequestType & USB_ENDPOINT_DIR_IN ))\r
- ? EfiUsbDataIn : EfiUsbDataOut;\r
- }\r
-\r
- //\r
- // Issue the command\r
- //\r
- pUsbIo = pNicDevice->pUsbIo;\r
- Status = pUsbIo->UsbControlTransfer ( pUsbIo,\r
- pRequest,\r
- Direction,\r
- USB_BUS_TIMEOUT,\r
- pBuffer,\r
- pRequest->Length,\r
- &CmdStatus );\r
-\r
- //\r
- // Determine the operation status\r
- //\r
- if ( !EFI_ERROR ( Status )) {\r
- Status = CmdStatus;\r
- }\r
- else {\r
- //\r
- // Display any errors\r
- //\r
- DEBUG (( DEBUG_INFO,\r
- "Ax88772UsbCommand - Status: %r\n",\r
- Status ));\r
-\r
- //\r
- // Only use status values associated with the Simple Network protocol\r
- //\r
- if ( EFI_TIMEOUT == Status ) {\r
- Status = EFI_DEVICE_ERROR;\r
- }\r
- }\r
-\r
- //\r
- // Return the operation status\r
- //\r
- DBG_EXIT_STATUS ( Status );\r
- return Status;\r
-}\r
projects / mirror_edk2.git / blobdiff