mirror of https://github.com/acidanthera/audk.git
689 lines
18 KiB
C
689 lines
18 KiB
C
/** @file
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Copyright (c) 2005 - 2007, 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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Tcp4Driver.c
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Abstract:
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**/
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#include "Tcp4Main.h"
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UINT16 mTcp4RandomPort;
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extern EFI_COMPONENT_NAME_PROTOCOL gTcp4ComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gTcp4ComponentName2;
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TCP4_HEARTBEAT_TIMER mTcp4Timer = {
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NULL,
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0
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};
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EFI_TCP4_PROTOCOL mTcp4ProtocolTemplate = {
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Tcp4GetModeData,
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Tcp4Configure,
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Tcp4Routes,
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Tcp4Connect,
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Tcp4Accept,
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Tcp4Transmit,
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Tcp4Receive,
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Tcp4Close,
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Tcp4Cancel,
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Tcp4Poll
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};
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SOCK_INIT_DATA mTcp4DefaultSockData = {
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SOCK_STREAM,
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(SOCK_STATE) 0,
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NULL,
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TCP_BACKLOG,
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TCP_SND_BUF_SIZE,
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TCP_RCV_BUF_SIZE,
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&mTcp4ProtocolTemplate,
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Tcp4CreateSocketCallback,
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Tcp4DestroySocketCallback,
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NULL,
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NULL,
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0,
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Tcp4Dispatcher,
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NULL,
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};
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EFI_DRIVER_BINDING_PROTOCOL mTcp4DriverBinding = {
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Tcp4DriverBindingSupported,
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Tcp4DriverBindingStart,
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Tcp4DriverBindingStop,
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0xa,
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NULL,
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NULL
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};
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EFI_SERVICE_BINDING_PROTOCOL mTcp4ServiceBinding = {
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Tcp4ServiceBindingCreateChild,
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Tcp4ServiceBindingDestroyChild
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};
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/**
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Create and start the heartbeat timer for TCP driver.
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@retval EFI_SUCCESS The timer is successfully created and started.
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@retval other The timer is not created.
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**/
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EFI_STATUS
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Tcp4CreateTimer (
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VOID
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)
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{
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EFI_STATUS Status;
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Status = EFI_SUCCESS;
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if (mTcp4Timer.RefCnt == 0) {
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Status = gBS->CreateEvent (
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EVT_TIMER | EVT_NOTIFY_SIGNAL,
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TPL_NOTIFY,
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TcpTicking,
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NULL,
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&mTcp4Timer.TimerEvent
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);
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if (!EFI_ERROR (Status)) {
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Status = gBS->SetTimer (
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mTcp4Timer.TimerEvent,
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TimerPeriodic,
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(UINT64) (TICKS_PER_SECOND / TCP_TICK_HZ)
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);
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}
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}
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if (!EFI_ERROR (Status)) {
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mTcp4Timer.RefCnt++;
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}
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return Status;
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}
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/**
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Stop and destroy the heartbeat timer for TCP driver.
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**/
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VOID
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Tcp4DestroyTimer (
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VOID
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)
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{
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ASSERT (mTcp4Timer.RefCnt > 0);
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mTcp4Timer.RefCnt--;
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if (mTcp4Timer.RefCnt > 0) {
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return;
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}
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gBS->SetTimer (mTcp4Timer.TimerEvent, TimerCancel, 0);
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gBS->CloseEvent (mTcp4Timer.TimerEvent);
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mTcp4Timer.TimerEvent = NULL;
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}
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/**
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The entry point for Tcp4 driver, used to install Tcp4 driver on the ImageHandle.
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@param ImageHandle The firmware allocated handle for this
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driver image.
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@param SystemTable Pointer to the EFI system table.
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@retval EFI_SUCCESS Driver loaded.
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@retval other Driver not loaded.
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**/
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EFI_STATUS
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EFIAPI
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Tcp4DriverEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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UINT32 Seed;
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//
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// Install the TCP4 Driver Binding Protocol
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//
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Status = EfiLibInstallDriverBindingComponentName2 (
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ImageHandle,
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SystemTable,
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&mTcp4DriverBinding,
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ImageHandle,
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&gTcp4ComponentName,
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&gTcp4ComponentName2
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);
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ASSERT_EFI_ERROR (Status);
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//
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// Initialize ISS and random port.
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//
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Seed = NetRandomInitSeed ();
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mTcpGlobalIss = NET_RANDOM (Seed) % mTcpGlobalIss;
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mTcp4RandomPort = (UINT16) (TCP4_PORT_KNOWN +
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(UINT16) (NET_RANDOM(Seed) % TCP4_PORT_KNOWN));
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return Status;
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}
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/**
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Test to see if this driver supports ControllerHandle.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to test.
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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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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Tcp4DriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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)
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{
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EFI_STATUS Status;
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//
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// Test for the Tcp4ServiceBinding Protocol
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiTcp4ServiceBindingProtocolGuid,
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NULL,
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This->DriverBindingHandle,
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ControllerHandle,
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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 EFI_ALREADY_STARTED;
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}
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//
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// Test for the Ip4 Protocol
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiIp4ServiceBindingProtocolGuid,
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NULL,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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return Status;
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}
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/**
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Start this driver on ControllerHandle.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to bind driver to.
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS The driver is added to ControllerHandle.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources to start the
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driver.
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@retval other The driver cannot be added to ControllerHandle.
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**/
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EFI_STATUS
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EFIAPI
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Tcp4DriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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)
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{
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EFI_STATUS Status;
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TCP4_SERVICE_DATA *TcpServiceData;
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IP_IO_OPEN_DATA OpenData;
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TcpServiceData = AllocateZeroPool (sizeof (TCP4_SERVICE_DATA));
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if (NULL == TcpServiceData) {
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DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Have no enough"
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" resource to create a Tcp Servcie Data!\n"));
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return EFI_OUT_OF_RESOURCES;
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}
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//
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// Create a new IP IO to Consume it
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//
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TcpServiceData->IpIo = IpIoCreate (This->DriverBindingHandle, ControllerHandle);
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if (NULL == TcpServiceData->IpIo) {
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DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Have no enough"
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" resource to create an Ip Io!\n"));
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Status = EFI_OUT_OF_RESOURCES;
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goto ON_ERROR;
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}
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//
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// Configure and start IpIo.
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//
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ZeroMem (&OpenData, sizeof (IP_IO_OPEN_DATA));
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CopyMem (&OpenData.IpConfigData, &mIpIoDefaultIpConfigData, sizeof (OpenData.IpConfigData));
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OpenData.IpConfigData.DefaultProtocol = EFI_IP_PROTO_TCP;
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OpenData.PktRcvdNotify = Tcp4RxCallback;
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Status = IpIoOpen (TcpServiceData->IpIo, &OpenData);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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//
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// Create the timer event used by TCP driver
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//
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Status = Tcp4CreateTimer ();
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if (EFI_ERROR (Status)) {
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DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Create TcpTimer"
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" Event failed with %r\n", Status));
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goto ON_ERROR;
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}
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//
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// Install the Tcp4ServiceBinding Protocol on the
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// controller handle
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//
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TcpServiceData->Tcp4ServiceBinding = mTcp4ServiceBinding;
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Status = gBS->InstallMultipleProtocolInterfaces (
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&ControllerHandle,
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&gEfiTcp4ServiceBindingProtocolGuid,
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&TcpServiceData->Tcp4ServiceBinding,
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NULL
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Install Tcp4 Service Binding"
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" Protocol failed for %r\n", Status));
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Tcp4DestroyTimer ();
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goto ON_ERROR;
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}
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//
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// Initialize member in TcpServiceData
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//
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TcpServiceData->ControllerHandle = ControllerHandle;
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TcpServiceData->Signature = TCP4_DRIVER_SIGNATURE;
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TcpServiceData->DriverBindingHandle = This->DriverBindingHandle;
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InitializeListHead (&TcpServiceData->SocketList);
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TcpSetVariableData (TcpServiceData);
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return EFI_SUCCESS;
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ON_ERROR:
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if (TcpServiceData->IpIo != NULL) {
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IpIoDestroy (TcpServiceData->IpIo);
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}
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gBS->FreePool (TcpServiceData);
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return Status;
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}
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/**
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Stop this driver on ControllerHandle.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to stop driver on.
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number
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of children is zero stop the entire bus driver.
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@param ChildHandleBuffer List of Child Handles to Stop.
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@retval EFI_SUCCESS This driver is removed from ControllerHandle.
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@retval other This driver is not removed from ControllerHandle.
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**/
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EFI_STATUS
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EFIAPI
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Tcp4DriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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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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EFI_STATUS Status;
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EFI_HANDLE NicHandle;
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EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
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TCP4_SERVICE_DATA *TcpServiceData;
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SOCKET *Sock;
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// Find the NicHandle where Tcp4 ServiceBinding Protocol is installed.
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//
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NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);
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if (NicHandle == NULL) {
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return EFI_DEVICE_ERROR;
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}
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//
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// Retrieve the TCP driver Data Structure
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//
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Status = gBS->OpenProtocol (
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NicHandle,
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&gEfiTcp4ServiceBindingProtocolGuid,
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(VOID **) &ServiceBinding,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStop: Locate Tcp4 Service "
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" Binding Protocol failed with %r\n", Status));
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return EFI_DEVICE_ERROR;
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}
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TcpServiceData = TCP4_FROM_THIS (ServiceBinding);
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if (NumberOfChildren == 0) {
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//
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// Uninstall TCP servicebinding protocol
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//
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gBS->UninstallMultipleProtocolInterfaces (
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NicHandle,
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&gEfiTcp4ServiceBindingProtocolGuid,
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ServiceBinding,
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NULL
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);
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//
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// Destroy the IpIO consumed by TCP driver
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//
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IpIoDestroy (TcpServiceData->IpIo);
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//
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// Destroy the heartbeat timer.
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//
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Tcp4DestroyTimer ();
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//
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// Clear the variable.
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//
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TcpClearVariableData (TcpServiceData);
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//
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// Release the TCP service data
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//
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gBS->FreePool (TcpServiceData);
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} else {
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while (!IsListEmpty (&TcpServiceData->SocketList)) {
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Sock = NET_LIST_HEAD (&TcpServiceData->SocketList, SOCKET, Link);
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ServiceBinding->DestroyChild (ServiceBinding, Sock->SockHandle);
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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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Open Ip4 and device path protocols for a created socket, and insert it in
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socket list.
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@param This Pointer to the socket just created
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@param Context Context of the socket
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@retval EFI_SUCCESS This protocol is installed successfully.
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@retval other Some error occured.
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**/
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EFI_STATUS
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Tcp4CreateSocketCallback (
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IN SOCKET *This,
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IN VOID *Context
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)
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{
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EFI_STATUS Status;
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TCP4_SERVICE_DATA *TcpServiceData;
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EFI_IP4_PROTOCOL *Ip4;
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TcpServiceData = ((TCP4_PROTO_DATA *) This->ProtoReserved)->TcpService;
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//
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// Open the default Ip4 protocol of IP_IO BY_DRIVER.
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//
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Status = gBS->OpenProtocol (
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TcpServiceData->IpIo->ChildHandle,
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&gEfiIp4ProtocolGuid,
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(VOID **) &Ip4,
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TcpServiceData->DriverBindingHandle,
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This->SockHandle,
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EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
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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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//
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// Open the device path on the handle where service binding resides on.
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//
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Status = gBS->OpenProtocol (
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TcpServiceData->ControllerHandle,
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&gEfiDevicePathProtocolGuid,
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(VOID **) &This->ParentDevicePath,
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TcpServiceData->DriverBindingHandle,
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This->SockHandle,
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EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
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);
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if (EFI_ERROR (Status)) {
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gBS->CloseProtocol (
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TcpServiceData->IpIo->ChildHandle,
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&gEfiIp4ProtocolGuid,
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TcpServiceData->DriverBindingHandle,
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This->SockHandle
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);
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} else {
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//
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// Insert this socket into the SocketList.
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//
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InsertTailList (&TcpServiceData->SocketList, &This->Link);
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}
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return Status;
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}
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/**
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Close Ip4 and device path protocols for a socket, and remove it from socket list.
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@param This Pointer to the socket to be removed
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@param Context Context of the socket
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**/
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VOID
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Tcp4DestroySocketCallback (
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IN SOCKET *This,
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IN VOID *Context
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)
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{
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TCP4_SERVICE_DATA *TcpServiceData;
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TcpServiceData = ((TCP4_PROTO_DATA *) This->ProtoReserved)->TcpService;
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//
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// Remove this node from the list.
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//
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RemoveEntryList (&This->Link);
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//
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// Close the device path protocol
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//
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gBS->CloseProtocol (
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TcpServiceData->ControllerHandle,
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&gEfiDevicePathProtocolGuid,
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TcpServiceData->DriverBindingHandle,
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This->SockHandle
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);
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//
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// Close the Ip4 protocol.
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//
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gBS->CloseProtocol (
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TcpServiceData->IpIo->ChildHandle,
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&gEfiIp4ProtocolGuid,
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TcpServiceData->DriverBindingHandle,
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This->SockHandle
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);
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}
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/**
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Creates a child handle with a set of TCP4 services.
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@param This Protocol instance pointer.
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@param ChildHandle Pointer to the handle of the child to create. If
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it is NULL, then a new handle is created. If it is
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not NULL, then the I/O services are added to the
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existing child handle.
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@retval EFI_SUCCESS The child handle is created.
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@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources to create the
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child.
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**/
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EFI_STATUS
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EFIAPI
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|
Tcp4ServiceBindingCreateChild (
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IN EFI_SERVICE_BINDING_PROTOCOL *This,
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IN EFI_HANDLE *ChildHandle
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)
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{
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SOCKET *Sock;
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TCP4_SERVICE_DATA *TcpServiceData;
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TCP4_PROTO_DATA TcpProto;
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EFI_STATUS Status;
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EFI_TPL OldTpl;
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if (NULL == This || NULL == ChildHandle) {
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return EFI_INVALID_PARAMETER;
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}
|
|
|
|
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
|
|
Status = EFI_SUCCESS;
|
|
TcpServiceData = TCP4_FROM_THIS (This);
|
|
TcpProto.TcpService = TcpServiceData;
|
|
TcpProto.TcpPcb = NULL;
|
|
|
|
//
|
|
// Create a tcp instance with defualt Tcp default
|
|
// sock init data and TcpProto
|
|
//
|
|
mTcp4DefaultSockData.ProtoData = &TcpProto;
|
|
mTcp4DefaultSockData.DataSize = sizeof (TCP4_PROTO_DATA);
|
|
mTcp4DefaultSockData.DriverBinding = TcpServiceData->DriverBindingHandle;
|
|
|
|
Sock = SockCreateChild (&mTcp4DefaultSockData);
|
|
if (NULL == Sock) {
|
|
DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingCreateChild: "
|
|
"No resource to create a Tcp Child\n"));
|
|
|
|
Status = EFI_OUT_OF_RESOURCES;
|
|
} else {
|
|
*ChildHandle = Sock->SockHandle;
|
|
}
|
|
|
|
gBS->RestoreTPL (OldTpl);
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
Destroys a child handle with a set of UDP4 services.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param ChildHandle Handle of the child to be destroyed.
|
|
|
|
@retval EFI_SUCCESS The TCP4 services are removed from the child
|
|
handle.
|
|
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
|
|
@retval other The child handle is not destroyed.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Tcp4ServiceBindingDestroyChild (
|
|
IN EFI_SERVICE_BINDING_PROTOCOL *This,
|
|
IN EFI_HANDLE ChildHandle
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_TCP4_PROTOCOL *Tcp4;
|
|
SOCKET *Sock;
|
|
EFI_TPL OldTpl;
|
|
|
|
if (NULL == This || NULL == ChildHandle) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
|
|
|
|
//
|
|
// retrieve the Tcp4 protocol from ChildHandle
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ChildHandle,
|
|
&gEfiTcp4ProtocolGuid,
|
|
(VOID **) &Tcp4,
|
|
mTcp4DriverBinding.DriverBindingHandle,
|
|
ChildHandle,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
Status = EFI_UNSUPPORTED;
|
|
} else {
|
|
//
|
|
// destroy this sock and related Tcp protocol control
|
|
// block
|
|
//
|
|
Sock = SOCK_FROM_THIS (Tcp4);
|
|
|
|
SockDestroyChild (Sock);
|
|
}
|
|
|
|
gBS->RestoreTPL (OldTpl);
|
|
return Status;
|
|
}
|
|
|