diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:38:48 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:38:48 +0000 |
| commit | a15a4195934c53bf8ee770f54b196e4a249cc1e4 (patch) | |
| tree | 112600c58fdb145463dec41528077b0cbd060d9d /MdeModulePkg | |
| parent | a0818cc106915b9c45a04f895b92ca0999cbea38 (diff) | |
| download | edk2-platforms-a15a4195934c53bf8ee770f54b196e4a249cc1e4.tar.xz | |
rename
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4728 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Universal/Network/SnpDxe/Snp.c | 1000 |
1 files changed, 1000 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Snp.c b/MdeModulePkg/Universal/Network/SnpDxe/Snp.c new file mode 100644 index 0000000000..31b5022bd0 --- /dev/null +++ b/MdeModulePkg/Universal/Network/SnpDxe/Snp.c @@ -0,0 +1,1000 @@ +/** @file
+Copyright (c) 2004 - 2005, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module name:
+ snp.c
+
+Abstract:
+
+
+**/
+
+#include "Snp.h"
+
+EFI_STATUS
+pxe_start (
+ SNP_DRIVER *snp
+ );
+EFI_STATUS
+pxe_stop (
+ SNP_DRIVER *snp
+ );
+EFI_STATUS
+pxe_init (
+ SNP_DRIVER *snp,
+ UINT16 OpFlags
+ );
+EFI_STATUS
+pxe_shutdown (
+ SNP_DRIVER *snp
+ );
+EFI_STATUS
+pxe_get_stn_addr (
+ SNP_DRIVER *snp
+ );
+
+EFI_STATUS
+EFIAPI
+InitializeSnpNiiDriver (
+ IN EFI_HANDLE image_handle,
+ IN EFI_SYSTEM_TABLE *system_table
+ );
+
+EFI_STATUS
+EFIAPI
+SimpleNetworkDriverSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+EFI_STATUS
+EFIAPI
+SimpleNetworkDriverStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+EFI_STATUS
+EFIAPI
+SimpleNetworkDriverStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ );
+
+//
+// Simple Network Protocol Driver Global Variables
+//
+EFI_DRIVER_BINDING_PROTOCOL mSimpleNetworkDriverBinding = {
+ SimpleNetworkDriverSupported,
+ SimpleNetworkDriverStart,
+ SimpleNetworkDriverStop,
+ 0xa,
+ NULL,
+ NULL
+};
+
+//
+// Module global variables needed to support undi 3.0 interface
+//
+EFI_PCI_IO_PROTOCOL *mPciIoFncs;
+struct s_v2p *_v2p = NULL; // undi3.0 map_list head
+// End Global variables
+//
+
+/**
+ This routine maps the given CPU address to a Device address. It creates a
+ an entry in the map list with the virtual and physical addresses and the
+ un map cookie.
+
+ @param v2p pointer to return a map list node pointer.
+ @param type the direction in which the data flows from the given
+ virtual address device->cpu or cpu->device or both
+ ways.
+ @param vaddr virtual address (or CPU address) to be mapped
+ @param bsize size of the buffer to be mapped.
+
+ @retval EFI_SUCEESS routine has completed the mapping
+ @retval other error as indicated.
+
+**/
+EFI_STATUS
+add_v2p (
+ IN OUT struct s_v2p **v2p,
+ EFI_PCI_IO_PROTOCOL_OPERATION type,
+ VOID *vaddr,
+ UINTN bsize
+ )
+{
+ EFI_STATUS Status;
+
+ if ((v2p == NULL) || (vaddr == NULL) || (bsize == 0)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *v2p = AllocatePool (sizeof (struct s_v2p));
+ if (*v2p != NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Status = mPciIoFncs->Map (
+ mPciIoFncs,
+ type,
+ vaddr,
+ &bsize,
+ &(*v2p)->paddr,
+ &(*v2p)->unmap
+ );
+ if (Status != EFI_SUCCESS) {
+ FreePool (*v2p);
+ return Status;
+ }
+ (*v2p)->vaddr = vaddr;
+ (*v2p)->bsize = bsize;
+ (*v2p)->next = _v2p;
+ _v2p = *v2p;
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ This routine searches the linked list of mapped address nodes (for undi3.0
+ interface) to find the node that corresponds to the given virtual address and
+ returns a pointer to that node.
+
+ @param v2p pointer to return a map list node pointer.
+ @param vaddr virtual address (or CPU address) to be searched in
+ the map list
+
+ @retval EFI_SUCEESS if a match found!
+ @retval Other match not found
+
+**/
+EFI_STATUS
+find_v2p (
+ struct s_v2p **v2p,
+ VOID *vaddr
+ )
+{
+ struct s_v2p *v;
+
+ if (v2p == NULL || vaddr == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ for (v = _v2p; v != NULL; v = v->next) {
+ if (v->vaddr == vaddr) {
+ *v2p = v;
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+
+/**
+ This routine unmaps the given virtual address and frees the memory allocated
+ for the map list node corresponding to that address.
+
+ @param vaddr virtual address (or CPU address) to be unmapped
+
+ @retval EFI_SUCEESS if successfully unmapped
+ @retval Other as indicated by the error
+
+**/
+EFI_STATUS
+del_v2p (
+ VOID *vaddr
+ )
+{
+ struct s_v2p *v;
+ struct s_v2p *t;
+ EFI_STATUS Status;
+
+ if (vaddr == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (_v2p == NULL) {
+ return EFI_NOT_FOUND;
+ }
+ //
+ // Is our node at the head of the list??
+ //
+ if ((v = _v2p)->vaddr == vaddr) {
+ _v2p = _v2p->next;
+
+ Status = mPciIoFncs->Unmap (mPciIoFncs, v->unmap);
+
+ FreePool (v);
+
+ if (Status) {
+ DEBUG ((EFI_D_ERROR, "Unmap failed with status = %x\n", Status));
+ }
+ return Status;
+ }
+
+ for (; v->next != NULL; v = t) {
+ if ((t = v->next)->vaddr == vaddr) {
+ v->next = t->next;
+ Status = mPciIoFncs->Unmap (mPciIoFncs, t->unmap);
+ FreePool (t);
+
+ if (Status) {
+ DEBUG ((EFI_D_ERROR, "Unmap failed with status = %x\n", Status));
+ }
+ return Status;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+STATIC
+EFI_STATUS
+issue_hwundi_command (
+ UINT64 cdb
+ )
+/*++
+
+Routine Description:
+
+Arguments:
+
+Returns:
+
+--*/
+{
+ DEBUG ((EFI_D_ERROR, "\nissue_hwundi_command() - This should not be called!"));
+
+ if (cdb == 0) {
+ return EFI_INVALID_PARAMETER;
+
+ }
+ //
+ // %%TBD - For now, nothing is done.
+ //
+ return EFI_UNSUPPORTED;
+}
+
+
+/**
+ Compute 8-bit checksum of a buffer.
+
+ @param ptr Pointer to buffer.
+ @param len Length of buffer in bytes.
+
+ @return 8-bit checksum of all bytes in buffer.
+ @return If ptr is NULL or len is zero, zero is returned.
+
+**/
+STATIC
+UINT8
+calc_8bit_cksum (
+ VOID *ptr,
+ UINTN len
+ )
+{
+ UINT8 *bptr;
+ UINT8 cksum;
+
+ bptr = ptr;
+ cksum = 0;
+
+ if (ptr == NULL || len == 0) {
+ return 0;
+ }
+
+ while (len--) {
+ cksum = (UINT8) (cksum +*bptr++);
+ }
+
+ return cksum;
+}
+
+
+/**
+ Test to see if this driver supports Controller. Any Controller
+ that contains a Nii protocol can be supported.
+
+ @param This Protocol instance pointer.
+ @param Controller Handle of device to test.
+ @param RemainingDevicePath Not used.
+
+ @retval EFI_SUCCESS This driver supports this device.
+ @retval EFI_ALREADY_STARTED This driver is already running on this device.
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+SimpleNetworkDriverSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NiiProtocol;
+ PXE_UNDI *pxe;
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
+ (VOID **) &NiiProtocol,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+
+ if (EFI_ERROR (Status)) {
+ if (Status == EFI_ALREADY_STARTED) {
+ DEBUG ((EFI_D_INFO, "Support(): Already Started. on handle %x\n", Controller));
+ }
+ return Status;
+ }
+
+ DEBUG ((EFI_D_INFO, "Support(): UNDI3.1 found on handle %x\n", Controller));
+
+ //
+ // check the version, we don't want to connect to the undi16
+ //
+ if (NiiProtocol->Type != EfiNetworkInterfaceUndi) {
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+ //
+ // Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required.
+ //
+ if (NiiProtocol->ID & 0x0F) {
+ DEBUG ((EFI_D_NET, "\n!PXE structure is not paragraph aligned.\n"));
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+
+ pxe = (PXE_UNDI *) (UINTN) (NiiProtocol->ID);
+
+ //
+ // Verify !PXE revisions.
+ //
+ if (pxe->hw.Signature != PXE_ROMID_SIGNATURE) {
+ DEBUG ((EFI_D_NET, "\n!PXE signature is not valid.\n"));
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+
+ if (pxe->hw.Rev < PXE_ROMID_REV) {
+ DEBUG ((EFI_D_NET, "\n!PXE.Rev is not supported.\n"));
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+
+ if (pxe->hw.MajorVer < PXE_ROMID_MAJORVER) {
+
+ DEBUG ((EFI_D_NET, "\n!PXE.MajorVer is not supported.\n"));
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+
+ } else if (pxe->hw.MajorVer == PXE_ROMID_MAJORVER && pxe->hw.MinorVer < PXE_ROMID_MINORVER) {
+ DEBUG ((EFI_D_NET, "\n!PXE.MinorVer is not supported."));
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+ //
+ // Do S/W UNDI specific checks.
+ //
+ if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) == 0) {
+ if (pxe->sw.EntryPoint < pxe->sw.Len) {
+ DEBUG ((EFI_D_NET, "\n!PXE S/W entry point is not valid."));
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+
+ if (pxe->sw.BusCnt == 0) {
+ DEBUG ((EFI_D_NET, "\n!PXE.BusCnt is zero."));
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+ }
+
+ Status = EFI_SUCCESS;
+ DEBUG ((EFI_D_INFO, "Support(): supported on %x\n", Controller));
+
+Done:
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ return Status;
+}
+
+
+/**
+ called for any handle that we said "supported" in the above call!
+
+ @param This Protocol instance pointer.
+ @param Controller Handle of device to start
+ @param RemainingDevicePath Not used.
+
+ @retval EFI_SUCCESS This driver supports this device.
+ @retval other This driver failed to start this device.
+
+**/
+EFI_STATUS
+EFIAPI
+SimpleNetworkDriverStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;
+ EFI_DEVICE_PATH_PROTOCOL *NiiDevicePath;
+ EFI_STATUS Status;
+ PXE_UNDI *pxe;
+ SNP_DRIVER *snp;
+ VOID *addr;
+ EFI_HANDLE Handle;
+ PXE_PCI_CONFIG_INFO ConfigInfo;
+ PCI_TYPE00 *ConfigHeader;
+ UINT32 *TempBar;
+ UINT8 BarIndex;
+ PXE_STATFLAGS InitStatFlags;
+
+ DEBUG ((EFI_D_NET, "\nSnpNotifyNetworkInterfaceIdentifier() "));
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &NiiDevicePath,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->LocateDevicePath (
+ &gEfiPciIoProtocolGuid,
+ &NiiDevicePath,
+ &Handle
+ );
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->OpenProtocol (
+ Handle,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &mPciIoFncs,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Get the NII interface.
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
+ (VOID **) &Nii,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ return Status;
+ }
+
+ DEBUG ((EFI_D_INFO, "Start(): UNDI3.1 found\n"));
+
+ pxe = (PXE_UNDI *) (UINTN) (Nii->ID);
+
+ if (calc_8bit_cksum (pxe, pxe->hw.Len) != 0) {
+ DEBUG ((EFI_D_NET, "\n!PXE checksum is not correct.\n"));
+ goto NiiError;
+ }
+
+ if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {
+ //
+ // We can get any packets.
+ //
+ } else if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {
+ //
+ // We need to be able to get broadcast packets for DHCP.
+ // If we do not have promiscuous support, we must at least have
+ // broadcast support or we cannot do DHCP!
+ //
+ } else {
+ DEBUG ((EFI_D_NET, "\nUNDI does not have promiscuous or broadcast support."));
+ goto NiiError;
+ }
+ //
+ // OK, we like this UNDI, and we know snp is not already there on this handle
+ // Allocate and initialize a new simple network protocol structure.
+ //
+ Status = mPciIoFncs->AllocateBuffer (
+ mPciIoFncs,
+ AllocateAnyPages,
+ EfiBootServicesData,
+ SNP_MEM_PAGES (sizeof (SNP_DRIVER)),
+ &addr,
+ 0
+ );
+
+ if (Status != EFI_SUCCESS) {
+ DEBUG ((EFI_D_NET, "\nCould not allocate SNP_DRIVER structure.\n"));
+ goto NiiError;
+ }
+
+ snp = (SNP_DRIVER *) (UINTN) addr;
+
+ ZeroMem (snp, sizeof (SNP_DRIVER));
+
+ snp->IoFncs = mPciIoFncs;
+ snp->Signature = SNP_DRIVER_SIGNATURE;
+
+ EfiInitializeLock (&snp->lock, TPL_NOTIFY);
+
+ snp->snp.Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION;
+ snp->snp.Start = snp_undi32_start;
+ snp->snp.Stop = snp_undi32_stop;
+ snp->snp.Initialize = snp_undi32_initialize;
+ snp->snp.Reset = snp_undi32_reset;
+ snp->snp.Shutdown = snp_undi32_shutdown;
+ snp->snp.ReceiveFilters = snp_undi32_receive_filters;
+ snp->snp.StationAddress = snp_undi32_station_address;
+ snp->snp.Statistics = snp_undi32_statistics;
+ snp->snp.MCastIpToMac = snp_undi32_mcast_ip_to_mac;
+ snp->snp.NvData = snp_undi32_nvdata;
+ snp->snp.GetStatus = snp_undi32_get_status;
+ snp->snp.Transmit = snp_undi32_transmit;
+ snp->snp.Receive = snp_undi32_receive;
+ snp->snp.WaitForPacket = NULL;
+
+ snp->snp.Mode = &snp->mode;
+
+ snp->tx_rx_bufsize = 0;
+ snp->tx_rx_buffer = NULL;
+
+ snp->if_num = Nii->IfNum;
+
+ if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) != 0) {
+ snp->is_swundi = FALSE;
+ snp->issue_undi32_command = &issue_hwundi_command;
+ } else {
+ snp->is_swundi = TRUE;
+
+ if ((pxe->sw.Implementation & PXE_ROMID_IMP_SW_VIRT_ADDR) != 0) {
+ snp->issue_undi32_command = (issue_undi32_command) (UINTN) pxe->sw.EntryPoint;
+ } else {
+ snp->issue_undi32_command = (issue_undi32_command) (UINTN) ((UINT8) (UINTN) pxe + pxe->sw.EntryPoint);
+ }
+ }
+ //
+ // Allocate a global CPB and DB buffer for this UNDI interface.
+ // we do this because:
+ //
+ // -UNDI 3.0 wants all the addresses passed to it (even the cpb and db) to be
+ // within 2GB limit, create them here and map them so that when undi calls
+ // v2p callback to check if the physical address is < 2gb, we will pass.
+ //
+ // -This is not a requirement for 3.1 or later UNDIs but the code looks
+ // simpler if we use the same cpb, db variables for both old and new undi
+ // interfaces from all the SNP interface calls (we don't map the buffers
+ // for the newer undi interfaces though)
+ // .
+ // -it is OK to allocate one global set of CPB, DB pair for each UNDI
+ // interface as EFI does not multi-task and so SNP will not be re-entered!
+ //
+ Status = mPciIoFncs->AllocateBuffer (
+ mPciIoFncs,
+ AllocateAnyPages,
+ EfiBootServicesData,
+ SNP_MEM_PAGES (4096),
+ &addr,
+ 0
+ );
+
+ if (Status != EFI_SUCCESS) {
+ DEBUG ((EFI_D_NET, "\nCould not allocate CPB and DB structures.\n"));
+ goto Error_DeleteSNP;
+ }
+
+ snp->cpb = (VOID *) (UINTN) addr;
+ snp->db = (VOID *) ((UINTN) addr + 2048);
+
+ //
+ // pxe_start call is going to give the callback functions to UNDI, these callback
+ // functions use the BarIndex values from the snp structure, so these must be initialized
+ // with default values before doing a pxe_start. The correct values can be obtained after
+ // getting the config information from UNDI
+ //
+ snp->MemoryBarIndex = 0;
+ snp->IoBarIndex = 1;
+
+ //
+ // we need the undi init information many times in this snp code, just get it
+ // once here and store it in the snp driver structure. to get Init Info
+ // from UNDI we have to start undi first.
+ //
+ Status = pxe_start (snp);
+
+ if (Status != EFI_SUCCESS) {
+ goto Error_DeleteSNP;
+ }
+
+ snp->cdb.OpCode = PXE_OPCODE_GET_INIT_INFO;
+ snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;
+
+ snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;
+ snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED;
+
+ snp->cdb.DBsize = sizeof snp->init_info;
+ snp->cdb.DBaddr = (UINT64)(UINTN) &snp->init_info;
+
+ snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;
+ snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;
+
+ snp->cdb.IFnum = snp->if_num;
+ snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;
+
+ DEBUG ((EFI_D_NET, "\nsnp->undi.get_init_info() "));
+
+ (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);
+
+ //
+ // Save the INIT Stat Code...
+ //
+ InitStatFlags = snp->cdb.StatFlags;
+
+ if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {
+ DEBUG ((EFI_D_NET, "\nsnp->undi.init_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));
+ pxe_stop (snp);
+ goto Error_DeleteSNP;
+ }
+
+ snp->cdb.OpCode = PXE_OPCODE_GET_CONFIG_INFO;
+ snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;
+
+ snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;
+ snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED;
+
+ snp->cdb.DBsize = sizeof ConfigInfo;
+ snp->cdb.DBaddr = (UINT64)(UINTN) &ConfigInfo;
+
+ snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;
+ snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;
+
+ snp->cdb.IFnum = snp->if_num;
+ snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;
+
+ DEBUG ((EFI_D_NET, "\nsnp->undi.get_config_info() "));
+
+ (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);
+
+ if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {
+ DEBUG ((EFI_D_NET, "\nsnp->undi.config_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));
+ pxe_stop (snp);
+ goto Error_DeleteSNP;
+ }
+ //
+ // Find the correct BAR to do IO.
+ //
+ //
+ // Enumerate through the PCI BARs for the device to determine which one is
+ // the IO BAR. Save the index of the BAR into the adapter info structure.
+ // for regular 32bit BARs, 0 is memory mapped, 1 is io mapped
+ //
+ ConfigHeader = (PCI_TYPE00 *) &ConfigInfo.Config.Byte[0];
+ TempBar = (UINT32 *) &ConfigHeader->Device.Bar[0];
+ for (BarIndex = 0; BarIndex <= 5; BarIndex++) {
+ if ((*TempBar & PCI_BAR_MEM_MASK) == PCI_BAR_MEM_64BIT) {
+ //
+ // This is a 64-bit memory bar, skip this and the
+ // next bar as well.
+ //
+ TempBar++;
+ }
+
+ if ((*TempBar & PCI_BAR_IO_MASK) == PCI_BAR_IO_MODE) {
+ snp->IoBarIndex = BarIndex;
+ break;
+ }
+
+ TempBar++;
+ }
+
+ //
+ // Initialize simple network protocol mode structure
+ //
+ snp->mode.State = EfiSimpleNetworkStopped;
+ snp->mode.HwAddressSize = snp->init_info.HWaddrLen;
+ snp->mode.MediaHeaderSize = snp->init_info.MediaHeaderLen;
+ snp->mode.MaxPacketSize = snp->init_info.FrameDataLen;
+ snp->mode.NvRamAccessSize = snp->init_info.NvWidth;
+ snp->mode.NvRamSize = snp->init_info.NvCount * snp->mode.NvRamAccessSize;
+ snp->mode.IfType = snp->init_info.IFtype;
+ snp->mode.MaxMCastFilterCount = snp->init_info.MCastFilterCnt;
+ snp->mode.MCastFilterCount = 0;
+
+ switch (InitStatFlags & PXE_STATFLAGS_CABLE_DETECT_MASK) {
+ case PXE_STATFLAGS_CABLE_DETECT_SUPPORTED:
+ snp->mode.MediaPresentSupported = TRUE;
+ break;
+
+ case PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED:
+ default:
+ snp->mode.MediaPresentSupported = FALSE;
+ }
+
+ if ((pxe->hw.Implementation & PXE_ROMID_IMP_STATION_ADDR_SETTABLE) != 0) {
+ snp->mode.MacAddressChangeable = TRUE;
+ } else {
+ snp->mode.MacAddressChangeable = FALSE;
+ }
+
+ if ((pxe->hw.Implementation & PXE_ROMID_IMP_MULTI_FRAME_SUPPORTED) != 0) {
+ snp->mode.MultipleTxSupported = TRUE;
+ } else {
+ snp->mode.MultipleTxSupported = FALSE;
+ }
+
+ snp->mode.ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;
+
+ if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {
+ snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;
+
+ }
+
+ if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {
+ snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;
+
+ }
+
+ if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {
+ snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;
+
+ }
+
+ if ((pxe->hw.Implementation & PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED) != 0) {
+ snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;
+
+ }
+
+ if (pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) {
+ snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;
+
+ }
+
+ snp->mode.ReceiveFilterSetting = 0;
+
+ //
+ // need to get the station address to save in the mode structure. we need to
+ // initialize the UNDI first for this.
+ //
+ snp->tx_rx_bufsize = snp->init_info.MemoryRequired;
+ Status = pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);
+
+ if (Status) {
+ pxe_stop (snp);
+ goto Error_DeleteSNP;
+ }
+
+ Status = pxe_get_stn_addr (snp);
+
+ if (Status != EFI_SUCCESS) {
+ DEBUG ((EFI_D_ERROR, "\nsnp->undi.get_station_addr() failed.\n"));
+ pxe_shutdown (snp);
+ pxe_stop (snp);
+ goto Error_DeleteSNP;
+ }
+
+ snp->mode.MediaPresent = FALSE;
+
+ //
+ // We should not leave UNDI started and initialized here. this DriverStart()
+ // routine must only find and attach the SNP interface to UNDI layer that it
+ // finds on the given handle!
+ // The UNDI layer will be started when upper layers call snp->start.
+ // How ever, this DriverStart() must fill up the snp mode structure which
+ // contains the MAC address of the NIC. For this reason we started and
+ // initialized UNDI here, now we are done, do a shutdown and stop of the
+ // UNDI interface!
+ //
+ pxe_shutdown (snp);
+ pxe_stop (snp);
+
+ //
+ // add SNP to the undi handle
+ //
+ Status = gBS->InstallProtocolInterface (
+ &Controller,
+ &gEfiSimpleNetworkProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ &(snp->snp)
+ );
+
+ if (!EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = mPciIoFncs->FreeBuffer (
+ mPciIoFncs,
+ SNP_MEM_PAGES (4096),
+ snp->cpb
+ );
+
+Error_DeleteSNP:
+
+ mPciIoFncs->FreeBuffer (
+ mPciIoFncs,
+ SNP_MEM_PAGES (sizeof (SNP_DRIVER)),
+ snp
+ );
+NiiError:
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ return Status;
+}
+
+
+/**
+
+
+
+**/
+EFI_STATUS
+EFIAPI
+SimpleNetworkDriverStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+{
+ EFI_STATUS Status;
+ EFI_SIMPLE_NETWORK_PROTOCOL *SnpProtocol;
+ SNP_DRIVER *Snp;
+
+ //
+ // Get our context back.
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiSimpleNetworkProtocolGuid,
+ (VOID **) &SnpProtocol,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (SnpProtocol);
+
+ Status = gBS->UninstallProtocolInterface (
+ Controller,
+ &gEfiSimpleNetworkProtocolGuid,
+ &Snp->snp
+ );
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->CloseProtocol (
+ Controller,
+ &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ Status = gBS->CloseProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ pxe_shutdown (Snp);
+ pxe_stop (Snp);
+
+ mPciIoFncs->FreeBuffer (
+ mPciIoFncs,
+ SNP_MEM_PAGES (4096),
+ Snp->cpb
+ );
+
+ mPciIoFncs->FreeBuffer (
+ mPciIoFncs,
+ SNP_MEM_PAGES (sizeof (SNP_DRIVER)),
+ Snp
+ );
+
+ return Status;
+}
+
+
+/**
+ Install all the driver protocol
+
+ @param entry EFI_IMAGE_ENTRY_POINT)
+
+ @retval EFI_SUCEESS Initialization routine has found UNDI hardware,
+ loaded it's ROM, and installed a notify event for
+ the Network Indentifier Interface Protocol
+ successfully.
+ @retval Other Return value from HandleProtocol for
+ DeviceIoProtocol or LoadedImageProtocol
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeSnpNiiDriver (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ return EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ SystemTable,
+ &mSimpleNetworkDriverBinding,
+ NULL,
+ &gSimpleNetworkComponentName,
+ &gSimpleNetworkComponentName2
+ );
+}
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