mirror of https://github.com/acidanthera/audk.git
670 lines
17 KiB
C
670 lines
17 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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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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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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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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None.
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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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STATIC
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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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NET_TPL_TIMER,
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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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None.
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@return None.
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**/
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STATIC
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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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//@MT: EFI_DRIVER_ENTRY_POINT (Tcp4DriverEntryPoint)
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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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Routine Description:
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The entry point for Tcp4 driver. used to install
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Tcp4 driver on the ImageHandle.
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Arguments:
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ImageHandle - The firmware allocated handle for this
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driver image.
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SystemTable - Pointer to the EFI system table.
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Returns:
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EFI_SUCCESS - Driver loaded.
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other - Driver not loaded.
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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 = NetLibInstallAllDriverProtocols (
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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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NULL,
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NULL
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);
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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 = 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 = NetAllocateZeroPool (sizeof (TCP4_SERVICE_DATA));
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if (NULL == TcpServiceData) {
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TCP4_DEBUG_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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TCP4_DEBUG_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 ReleaseServiceData;
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}
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//
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// Configure and start IpIo.
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//
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NetZeroMem (&OpenData, sizeof (IP_IO_OPEN_DATA));
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OpenData.IpConfigData = mIpIoDefaultIpConfigData;
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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 ReleaseServiceData;
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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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TCP4_DEBUG_ERROR (("Tcp4DriverBindingStart: Create TcpTimer"
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" Event failed with %r\n", Status));
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goto ReleaseIpIo;
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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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TCP4_DEBUG_ERROR (("Tcp4DriverBindingStart: Install Tcp4 Service Binding"
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" Protocol failed for %r\n", Status));
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goto ReleaseTimer;
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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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TcpSetVariableData (TcpServiceData);
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return EFI_SUCCESS;
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ReleaseTimer:
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Tcp4DestroyTimer ();
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ReleaseIpIo:
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IpIoDestroy (TcpServiceData->IpIo);
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ReleaseServiceData:
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NetFreePool (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 *Tcp4ServiceBinding;
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TCP4_SERVICE_DATA *TcpServiceData;
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TCP_CB *TcpPcb;
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SOCKET *Sock;
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TCP4_PROTO_DATA *TcpProto;
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NET_LIST_ENTRY *Entry;
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NET_LIST_ENTRY *NextEntry;
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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_SUCCESS;
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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 **) &Tcp4ServiceBinding,
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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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TCP4_DEBUG_ERROR (("Tcp4DriverBindingStop: Locate Tcp4 Service "
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" Binding Protocol failed with %r\n", Status));
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return Status;
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}
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TcpServiceData = TCP4_FROM_THIS (Tcp4ServiceBinding);
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//
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// Kill TCP driver
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//
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NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, &mTcpRunQue) {
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TcpPcb = NET_LIST_USER_STRUCT (Entry, TCP_CB, List);
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//
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// Try to destroy this child
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//
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Sock = TcpPcb->Sk;
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TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
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if (TcpProto->TcpService == TcpServiceData) {
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Status = SockDestroyChild (Sock);
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if (EFI_ERROR (Status)) {
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TCP4_DEBUG_ERROR (("Tcp4DriverBindingStop: Destroy Tcp "
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"instance failed with %r\n", Status));
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return Status;
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}
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}
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}
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NET_LIST_FOR_EACH_SAFE (Entry, NextEntry, &mTcpListenQue) {
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TcpPcb = NET_LIST_USER_STRUCT (Entry, TCP_CB, List);
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//
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// Try to destroy this child
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//
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Sock = TcpPcb->Sk;
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TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
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if (TcpProto->TcpService == TcpServiceData) {
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Status = SockDestroyChild (TcpPcb->Sk);
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if (EFI_ERROR (Status)) {
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TCP4_DEBUG_ERROR (("Tcp4DriverBindingStop: Destroy Tcp "
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"instance failed with %r\n", Status));
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return Status;
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}
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}
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}
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//
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// Uninstall TCP servicebinding protocol
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//
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Status = gBS->UninstallMultipleProtocolInterfaces (
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NicHandle,
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&gEfiTcp4ServiceBindingProtocolGuid,
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Tcp4ServiceBinding,
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NULL
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);
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if (EFI_ERROR (Status)) {
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TCP4_DEBUG_ERROR (("Tcp4DriverBindingStop: Uninstall TCP service "
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"binding protocol failed with %r\n", Status));
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return Status;
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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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Status = 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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NetFreePool (TcpServiceData);
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return Status;
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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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VOID *Ip4;
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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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}
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OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
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TcpServiceData = TCP4_FROM_THIS (This);
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TcpProto.TcpService = TcpServiceData;
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TcpProto.TcpPcb = NULL;
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//
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// Create a tcp instance with defualt Tcp default
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// sock init data and TcpProto
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//
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mTcp4DefaultSockData.DriverBinding = TcpServiceData->DriverBindingHandle;
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Sock = SockCreateChild (&mTcp4DefaultSockData, &TcpProto, sizeof (TCP4_PROTO_DATA));
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if (NULL == Sock) {
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TCP4_DEBUG_ERROR (("Tcp4DriverBindingCreateChild: "
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"No resource to create a Tcp Child\n"));
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Status = EFI_OUT_OF_RESOURCES;
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goto ON_EXIT;
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}
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*ChildHandle = Sock->SockHandle;
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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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Sock->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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SockDestroyChild (Sock);
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}
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ON_EXIT:
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NET_RESTORE_TPL (OldTpl);
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return Status;
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}
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|
|
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/**
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|
Destroys a child handle with a set of UDP4 services.
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|
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@param This Protocol instance pointer.
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@param ChildHandle Handle of the child to be destroyed.
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|
|
@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;
|
|
TCP4_PROTO_DATA *TcpProtoData;
|
|
TCP4_SERVICE_DATA *TcpServiceData;
|
|
EFI_TPL OldTpl;
|
|
|
|
if (NULL == This || NULL == ChildHandle) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
|
|
|
|
//
|
|
// 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;
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
//
|
|
// destroy this sock and related Tcp protocol control
|
|
// block
|
|
//
|
|
Sock = SOCK_FROM_THIS (Tcp4);
|
|
TcpProtoData = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
|
|
TcpServiceData = TcpProtoData->TcpService;
|
|
|
|
Status = SockDestroyChild (Sock);
|
|
|
|
//
|
|
// Close the Ip4 protocol.
|
|
//
|
|
gBS->CloseProtocol (
|
|
TcpServiceData->IpIo->ChildHandle,
|
|
&gEfiIp4ProtocolGuid,
|
|
TcpServiceData->DriverBindingHandle,
|
|
ChildHandle
|
|
);
|
|
|
|
ON_EXIT:
|
|
NET_RESTORE_TPL (OldTpl);
|
|
return Status;
|
|
}
|