83cbd279b6
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4006 6f19259b-4bc3-4df7-8a09-765794883524
1269 lines
36 KiB
C
1269 lines
36 KiB
C
/** @file
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Copyright (c) 2004 - 2005, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module name:
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snp.c
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Abstract:
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**/
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#include "Snp.h"
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EFI_STATUS
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pxe_start (
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SNP_DRIVER *snp
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);
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EFI_STATUS
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pxe_stop (
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SNP_DRIVER *snp
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);
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EFI_STATUS
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pxe_init (
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SNP_DRIVER *snp,
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UINT16 OpFlags
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);
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EFI_STATUS
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pxe_shutdown (
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SNP_DRIVER *snp
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);
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EFI_STATUS
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pxe_get_stn_addr (
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SNP_DRIVER *snp
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);
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EFI_STATUS
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EFIAPI
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InitializeSnpNiiDriver (
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IN EFI_HANDLE image_handle,
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IN EFI_SYSTEM_TABLE *system_table
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);
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EFI_STATUS
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EFIAPI
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SimpleNetworkDriverSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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EFI_STATUS
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EFIAPI
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SimpleNetworkDriverStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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EFI_STATUS
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EFIAPI
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SimpleNetworkDriverStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// Simple Network Protocol Driver Global Variables
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//
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EFI_DRIVER_BINDING_PROTOCOL mSimpleNetworkDriverBinding = {
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SimpleNetworkDriverSupported,
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SimpleNetworkDriverStart,
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SimpleNetworkDriverStop,
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0xa,
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NULL,
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NULL
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};
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//
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// Module global variables needed to support undi 3.0 interface
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//
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EFI_PCI_IO_PROTOCOL *mPciIoFncs;
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struct s_v2p *_v2p = NULL; // undi3.0 map_list head
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// End Global variables
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//
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/**
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This routine maps the given CPU address to a Device address. It creates a
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an entry in the map list with the virtual and physical addresses and the
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un map cookie.
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@param v2p pointer to return a map list node pointer.
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@param type the direction in which the data flows from the given
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virtual address device->cpu or cpu->device or both
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ways.
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@param vaddr virtual address (or CPU address) to be mapped
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@param bsize size of the buffer to be mapped.
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@retval EFI_SUCEESS routine has completed the mapping
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@retval other error as indicated.
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**/
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EFI_STATUS
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add_v2p (
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IN OUT struct s_v2p **v2p,
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EFI_PCI_IO_PROTOCOL_OPERATION type,
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VOID *vaddr,
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UINTN bsize
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)
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{
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EFI_STATUS Status;
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if ((v2p == NULL) || (vaddr == NULL) || (bsize == 0)) {
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return EFI_INVALID_PARAMETER;
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}
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*v2p = AllocatePool (sizeof (struct s_v2p));
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if (*v2p != NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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Status = mPciIoFncs->Map (
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mPciIoFncs,
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type,
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vaddr,
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&bsize,
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&(*v2p)->paddr,
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&(*v2p)->unmap
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);
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if (Status != EFI_SUCCESS) {
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FreePool (*v2p);
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return Status;
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}
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(*v2p)->vaddr = vaddr;
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(*v2p)->bsize = bsize;
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(*v2p)->next = _v2p;
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_v2p = *v2p;
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return EFI_SUCCESS;
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}
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/**
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This routine searches the linked list of mapped address nodes (for undi3.0
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interface) to find the node that corresponds to the given virtual address and
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returns a pointer to that node.
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@param v2p pointer to return a map list node pointer.
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@param vaddr virtual address (or CPU address) to be searched in
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the map list
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@retval EFI_SUCEESS if a match found!
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@retval Other match not found
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**/
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EFI_STATUS
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find_v2p (
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struct s_v2p **v2p,
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VOID *vaddr
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)
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{
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struct s_v2p *v;
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if (v2p == NULL || vaddr == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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for (v = _v2p; v != NULL; v = v->next) {
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if (v->vaddr == vaddr) {
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*v2p = v;
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return EFI_SUCCESS;
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}
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}
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return EFI_NOT_FOUND;
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}
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/**
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This routine unmaps the given virtual address and frees the memory allocated
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for the map list node corresponding to that address.
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@param vaddr virtual address (or CPU address) to be unmapped
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@retval EFI_SUCEESS if successfully unmapped
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@retval Other as indicated by the error
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**/
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EFI_STATUS
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del_v2p (
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VOID *vaddr
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)
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{
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struct s_v2p *v;
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struct s_v2p *t;
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EFI_STATUS Status;
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if (vaddr == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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if (_v2p == NULL) {
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return EFI_NOT_FOUND;
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}
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//
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// Is our node at the head of the list??
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//
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if ((v = _v2p)->vaddr == vaddr) {
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_v2p = _v2p->next;
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Status = mPciIoFncs->Unmap (mPciIoFncs, v->unmap);
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FreePool (v);
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if (Status) {
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DEBUG ((EFI_D_ERROR, "Unmap failed with status = %x\n", Status));
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}
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return Status;
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}
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for (; v->next != NULL; v = t) {
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if ((t = v->next)->vaddr == vaddr) {
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v->next = t->next;
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Status = mPciIoFncs->Unmap (mPciIoFncs, t->unmap);
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FreePool (t);
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if (Status) {
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DEBUG ((EFI_D_ERROR, "Unmap failed with status = %x\n", Status));
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}
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return Status;
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}
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}
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return EFI_NOT_FOUND;
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}
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STATIC
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EFI_STATUS
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issue_hwundi_command (
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UINT64 cdb
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)
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/*++
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Routine Description:
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Arguments:
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Returns:
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--*/
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{
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DEBUG ((EFI_D_ERROR, "\nissue_hwundi_command() - This should not be called!"));
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if (cdb == 0) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// %%TBD - For now, nothing is done.
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//
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return EFI_UNSUPPORTED;
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}
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/**
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Compute 8-bit checksum of a buffer.
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@param ptr Pointer to buffer.
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@param len Length of buffer in bytes.
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@return 8-bit checksum of all bytes in buffer.
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@return If ptr is NULL or len is zero, zero is returned.
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**/
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STATIC
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UINT8
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calc_8bit_cksum (
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VOID *ptr,
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UINTN len
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)
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{
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UINT8 *bptr;
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UINT8 cksum;
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bptr = ptr;
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cksum = 0;
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if (ptr == NULL || len == 0) {
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return 0;
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}
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while (len--) {
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cksum = (UINT8) (cksum +*bptr++);
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}
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return cksum;
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}
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/**
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Test to see if this driver supports Controller. Any Controller
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that contains a Nii protocol can be supported.
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@param This Protocol instance pointer.
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@param Controller Handle of device to test.
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@param RemainingDevicePath Not used.
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@retval EFI_SUCCESS This driver supports this device.
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@retval EFI_ALREADY_STARTED This driver is already running on this device.
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@retval other This driver does not support this device.
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**/
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EFI_STATUS
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EFIAPI
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SimpleNetworkDriverSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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{
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EFI_STATUS Status;
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EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NiiProtocol;
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PXE_UNDI *pxe;
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BOOLEAN IsUndi31;
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IsUndi31 = FALSE;
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiDevicePathProtocolGuid,
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NULL,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
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(VOID **) &NiiProtocol,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (Status == EFI_ALREADY_STARTED)
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{
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DEBUG ((EFI_D_INFO, "Support(): Already Started. on handle %x\n", Controller));
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return EFI_ALREADY_STARTED;
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}
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if (!EFI_ERROR (Status))
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{
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DEBUG ((EFI_D_INFO, "Support(): UNDI3.1 found on handle %x\n", Controller));
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IsUndi31 = TRUE;
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} else {
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//
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// try the older 3.0 driver
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//
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiNetworkInterfaceIdentifierProtocolGuid,
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(VOID **) &NiiProtocol,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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DEBUG ((EFI_D_INFO, "Support(): UNDI3.0 found on handle %x\n", Controller));
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}
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//
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// check the version, we don't want to connect to the undi16
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//
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if (NiiProtocol->Type != EfiNetworkInterfaceUndi) {
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Status = EFI_UNSUPPORTED;
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goto Done;
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}
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//
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// Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required.
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//
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if (NiiProtocol->ID & 0x0F) {
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DEBUG ((EFI_D_NET, "\n!PXE structure is not paragraph aligned.\n"));
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Status = EFI_UNSUPPORTED;
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goto Done;
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}
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pxe = (PXE_UNDI *) (UINTN) (NiiProtocol->ID);
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//
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// Verify !PXE revisions.
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//
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if (pxe->hw.Signature != PXE_ROMID_SIGNATURE) {
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DEBUG ((EFI_D_NET, "\n!PXE signature is not valid.\n"));
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Status = EFI_UNSUPPORTED;
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goto Done;
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}
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if (pxe->hw.Rev < PXE_ROMID_REV) {
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DEBUG ((EFI_D_NET, "\n!PXE.Rev is not supported.\n"));
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Status = EFI_UNSUPPORTED;
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goto Done;
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}
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if (pxe->hw.MajorVer < PXE_ROMID_MAJORVER) {
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DEBUG ((EFI_D_NET, "\n!PXE.MajorVer is not supported.\n"));
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Status = EFI_UNSUPPORTED;
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goto Done;
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} else if (pxe->hw.MajorVer == PXE_ROMID_MAJORVER && pxe->hw.MinorVer < PXE_ROMID_MINORVER) {
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DEBUG ((EFI_D_NET, "\n!PXE.MinorVer is not supported."));
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Status = EFI_UNSUPPORTED;
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goto Done;
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}
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//
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// Do S/W UNDI specific checks.
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//
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if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) == 0) {
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if (pxe->sw.EntryPoint < pxe->sw.Len) {
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DEBUG ((EFI_D_NET, "\n!PXE S/W entry point is not valid."));
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Status = EFI_UNSUPPORTED;
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goto Done;
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}
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if (pxe->sw.BusCnt == 0) {
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DEBUG ((EFI_D_NET, "\n!PXE.BusCnt is zero."));
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Status = EFI_UNSUPPORTED;
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goto Done;
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}
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}
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Status = EFI_SUCCESS;
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DEBUG ((EFI_D_INFO, "Support(): supported on %x\n", Controller));
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Done:
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if (IsUndi31) {
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gBS->CloseProtocol (
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Controller,
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&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
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This->DriverBindingHandle,
|
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Controller
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);
|
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|
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} else {
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gBS->CloseProtocol (
|
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Controller,
|
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&gEfiNetworkInterfaceIdentifierProtocolGuid,
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This->DriverBindingHandle,
|
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Controller
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);
|
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}
|
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return Status;
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}
|
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|
|
|
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/**
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called for any handle that we said "supported" in the above call!
|
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|
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@param This Protocol instance pointer.
|
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@param Controller Handle of device to start
|
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@param RemainingDevicePath Not used.
|
|
|
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@retval EFI_SUCCESS This driver supports this device.
|
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@retval other This driver failed to start this device.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
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SimpleNetworkDriverStart (
|
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
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IN EFI_HANDLE Controller,
|
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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;
|
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VOID *addr;
|
|
VOID *addrUnmap;
|
|
EFI_PHYSICAL_ADDRESS paddr;
|
|
EFI_HANDLE Handle;
|
|
UINTN Size;
|
|
BOOLEAN UndiNew;
|
|
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. look for 3.1 undi first, if it is not there
|
|
// then look for 3.0, validate the interface.
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
Controller,
|
|
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
|
|
(VOID **) &Nii,
|
|
This->DriverBindingHandle,
|
|
Controller,
|
|
EFI_OPEN_PROTOCOL_BY_DRIVER
|
|
);
|
|
if (Status == EFI_ALREADY_STARTED) {
|
|
gBS->CloseProtocol (
|
|
Controller,
|
|
&gEfiDevicePathProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
Controller
|
|
);
|
|
return Status;
|
|
}
|
|
|
|
if (!EFI_ERROR (Status)) {
|
|
//
|
|
// probably not a 3.1 UNDI
|
|
//
|
|
UndiNew = TRUE;
|
|
DEBUG ((EFI_D_INFO, "Start(): UNDI3.1 found\n"));
|
|
|
|
} else {
|
|
UndiNew = FALSE;
|
|
Status = gBS->OpenProtocol (
|
|
Controller,
|
|
&gEfiNetworkInterfaceIdentifierProtocolGuid,
|
|
(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(): UNDI3.0 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;
|
|
|
|
if (!UndiNew) {
|
|
Size = SNP_MEM_PAGES (sizeof (SNP_DRIVER));
|
|
|
|
Status = mPciIoFncs->Map (
|
|
mPciIoFncs,
|
|
EfiPciIoOperationBusMasterCommonBuffer,
|
|
addr,
|
|
&Size,
|
|
&paddr,
|
|
&addrUnmap
|
|
);
|
|
|
|
ASSERT (paddr);
|
|
|
|
DEBUG ((EFI_D_NET, "\nSNP_DRIVER @ %Xh, sizeof(SNP_DRIVER) == %d", addr, sizeof (SNP_DRIVER)));
|
|
snp = (SNP_DRIVER *) (UINTN) paddr;
|
|
snp->SnpDriverUnmap = addrUnmap;
|
|
}
|
|
|
|
ZeroMem (snp, sizeof (SNP_DRIVER));
|
|
|
|
snp->IoFncs = mPciIoFncs;
|
|
snp->IsOldUndi = (BOOLEAN) (!UndiNew);
|
|
|
|
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;
|
|
}
|
|
|
|
if (snp->IsOldUndi) {
|
|
Size = SNP_MEM_PAGES (4096);
|
|
|
|
Status = mPciIoFncs->Map (
|
|
mPciIoFncs,
|
|
EfiPciIoOperationBusMasterCommonBuffer,
|
|
addr,
|
|
&Size,
|
|
&paddr,
|
|
&snp->CpbUnmap
|
|
);
|
|
|
|
ASSERT (paddr);
|
|
|
|
snp->cpb = (VOID *) (UINTN) paddr;
|
|
snp->db = (VOID *) ((UINTN) paddr + 2048);
|
|
} else {
|
|
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_DeleteCPBDB;
|
|
}
|
|
|
|
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_DeleteCPBDB;
|
|
}
|
|
|
|
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_DeleteCPBDB;
|
|
}
|
|
//
|
|
// 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++;
|
|
}
|
|
|
|
//
|
|
// We allocate 2 more global buffers for undi 3.0 interface. We use these
|
|
// buffers to pass to undi when the user buffers are beyond 4GB.
|
|
// UNDI 3.0 wants all the addresses passed to it 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.
|
|
//
|
|
// For 3.1 and later UNDIs, we do not do this because undi is
|
|
// going to call the map() callback if and only if it wants to use the
|
|
// device address for any address it receives.
|
|
//
|
|
if (snp->IsOldUndi) {
|
|
//
|
|
// buffer for receive
|
|
//
|
|
Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen + snp->init_info.FrameDataLen);
|
|
Status = mPciIoFncs->AllocateBuffer (
|
|
mPciIoFncs,
|
|
AllocateAnyPages,
|
|
EfiBootServicesData,
|
|
Size,
|
|
&addr,
|
|
0
|
|
);
|
|
|
|
if (Status != EFI_SUCCESS) {
|
|
DEBUG ((EFI_D_ERROR, "\nCould not allocate receive buffer.\n"));
|
|
goto Error_DeleteCPBDB;
|
|
}
|
|
|
|
Status = mPciIoFncs->Map (
|
|
mPciIoFncs,
|
|
EfiPciIoOperationBusMasterCommonBuffer,
|
|
addr,
|
|
&Size,
|
|
&paddr,
|
|
&snp->ReceiveBufUnmap
|
|
);
|
|
|
|
ASSERT (paddr);
|
|
|
|
snp->receive_buf = (UINT8 *) (UINTN) paddr;
|
|
|
|
//
|
|
// buffer for fill_header
|
|
//
|
|
Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen);
|
|
Status = mPciIoFncs->AllocateBuffer (
|
|
mPciIoFncs,
|
|
AllocateAnyPages,
|
|
EfiBootServicesData,
|
|
Size,
|
|
&addr,
|
|
0
|
|
);
|
|
|
|
if (Status != EFI_SUCCESS) {
|
|
DEBUG ((EFI_D_ERROR, "\nCould not allocate fill_header buffer.\n"));
|
|
goto Error_DeleteRCVBuf;
|
|
}
|
|
|
|
Status = mPciIoFncs->Map (
|
|
mPciIoFncs,
|
|
EfiPciIoOperationBusMasterCommonBuffer,
|
|
addr,
|
|
&Size,
|
|
&paddr,
|
|
&snp->FillHdrBufUnmap
|
|
);
|
|
|
|
ASSERT (paddr);
|
|
snp->fill_hdr_buf = (UINT8 *) (UINTN) paddr;
|
|
}
|
|
//
|
|
// 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_DeleteHdrBuf;
|
|
}
|
|
|
|
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_DeleteHdrBuf;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
Error_DeleteHdrBuf:
|
|
if (snp->IsOldUndi) {
|
|
Status = mPciIoFncs->Unmap (
|
|
mPciIoFncs,
|
|
snp->FillHdrBufUnmap
|
|
);
|
|
Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen);
|
|
mPciIoFncs->FreeBuffer (
|
|
mPciIoFncs,
|
|
Size,
|
|
snp->fill_hdr_buf
|
|
);
|
|
}
|
|
|
|
Error_DeleteRCVBuf:
|
|
if (snp->IsOldUndi) {
|
|
Status = mPciIoFncs->Unmap (
|
|
mPciIoFncs,
|
|
snp->ReceiveBufUnmap
|
|
);
|
|
Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen + snp->init_info.FrameDataLen);
|
|
mPciIoFncs->FreeBuffer (
|
|
mPciIoFncs,
|
|
Size,
|
|
snp->receive_buf
|
|
);
|
|
|
|
}
|
|
|
|
Error_DeleteCPBDB:
|
|
if (snp->IsOldUndi) {
|
|
Status = mPciIoFncs->Unmap (
|
|
mPciIoFncs,
|
|
snp->CpbUnmap
|
|
);
|
|
}
|
|
|
|
Status = mPciIoFncs->FreeBuffer (
|
|
mPciIoFncs,
|
|
SNP_MEM_PAGES (4096),
|
|
snp->cpb
|
|
);
|
|
|
|
Error_DeleteSNP:
|
|
if (snp->IsOldUndi) {
|
|
Status = mPciIoFncs->Unmap (
|
|
mPciIoFncs,
|
|
snp->SnpDriverUnmap
|
|
);
|
|
}
|
|
|
|
mPciIoFncs->FreeBuffer (
|
|
mPciIoFncs,
|
|
SNP_MEM_PAGES (sizeof (SNP_DRIVER)),
|
|
snp
|
|
);
|
|
NiiError:
|
|
if (!UndiNew) {
|
|
gBS->CloseProtocol (
|
|
Controller,
|
|
&gEfiNetworkInterfaceIdentifierProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
Controller
|
|
);
|
|
} else {
|
|
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;
|
|
}
|
|
|
|
if (!Snp->IsOldUndi) {
|
|
Status = gBS->CloseProtocol (
|
|
Controller,
|
|
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
|
|
This->DriverBindingHandle,
|
|
Controller
|
|
);
|
|
} else {
|
|
Status = gBS->CloseProtocol (
|
|
Controller,
|
|
&gEfiNetworkInterfaceIdentifierProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
Controller
|
|
);
|
|
}
|
|
|
|
Status = gBS->CloseProtocol (
|
|
Controller,
|
|
&gEfiDevicePathProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
Controller
|
|
);
|
|
|
|
pxe_shutdown (Snp);
|
|
pxe_stop (Snp);
|
|
|
|
if (Snp->IsOldUndi) {
|
|
Status = mPciIoFncs->Unmap (
|
|
mPciIoFncs,
|
|
Snp->FillHdrBufUnmap
|
|
);
|
|
|
|
mPciIoFncs->FreeBuffer (
|
|
mPciIoFncs,
|
|
SNP_MEM_PAGES (Snp->init_info.MediaHeaderLen),
|
|
Snp->fill_hdr_buf
|
|
);
|
|
Status = mPciIoFncs->Unmap (
|
|
mPciIoFncs,
|
|
Snp->ReceiveBufUnmap
|
|
);
|
|
|
|
mPciIoFncs->FreeBuffer (
|
|
mPciIoFncs,
|
|
SNP_MEM_PAGES (Snp->init_info.MediaHeaderLen + Snp->init_info.FrameDataLen),
|
|
Snp->receive_buf
|
|
);
|
|
|
|
Status = mPciIoFncs->Unmap (
|
|
mPciIoFncs,
|
|
Snp->CpbUnmap
|
|
);
|
|
Status = mPciIoFncs->Unmap (
|
|
mPciIoFncs,
|
|
Snp->SnpDriverUnmap
|
|
);
|
|
}
|
|
|
|
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
|
|
);
|
|
}
|