d1050b9dff
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the NetworkPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>
260 lines
7.8 KiB
C
260 lines
7.8 KiB
C
/** @file
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Definition for IP6 pseudo interface structure.
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Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __EFI_IP6_IF_H__
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#define __EFI_IP6_IF_H__
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#define IP6_LINK_RX_SIGNATURE SIGNATURE_32 ('I', 'P', '6', 'R')
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#define IP6_LINK_TX_SIGNATURE SIGNATURE_32 ('I', 'P', '6', 'T')
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#define IP6_INTERFACE_SIGNATURE SIGNATURE_32 ('I', 'P', '6', 'I')
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#define IP6_ADDR_INFO_SIGNATURE SIGNATURE_32 ('I', 'P', 'A', 'I')
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//
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// This prototype is used by both receive and transmission.
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// When receiving Netbuf is allocated by IP6_INTERFACE, and
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// released by IP6. Flag shows whether the frame is received
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// as unicast/multicast/anycast...
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//
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// When transmitting, the Netbuf is from IP6, and provided
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// to the callback as a reference. Flag isn't used.
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//
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// IpInstance can be NULL which means that it is the IP6 driver
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// itself sending the packets. IP6 driver may send packets that
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// don't belong to any instance, such as ICMP errors, ICMP
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// informational packets. IpInstance is used as a tag in
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// this module.
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//
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typedef
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VOID
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(*IP6_FRAME_CALLBACK) (
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NET_BUF *Packet,
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EFI_STATUS IoStatus,
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UINT32 LinkFlag,
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VOID *Context
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);
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//
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// Each receive request is wrapped in an IP6_LINK_RX_TOKEN.
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// Upon completion, the Callback will be called. Only one
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// receive request is send to MNP. IpInstance is always NULL.
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// Reference MNP's spec for information.
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//
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typedef struct {
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UINT32 Signature;
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IP6_FRAME_CALLBACK CallBack;
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VOID *Context;
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EFI_MANAGED_NETWORK_COMPLETION_TOKEN MnpToken;
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} IP6_LINK_RX_TOKEN;
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//
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// Each transmit request is wrapped in an IP6_LINK_TX_TOKEN.
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// Upon completion, the Callback will be called.
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//
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typedef struct {
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UINT32 Signature;
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LIST_ENTRY Link;
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IP6_PROTOCOL *IpInstance;
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IP6_FRAME_CALLBACK CallBack;
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NET_BUF *Packet;
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VOID *Context;
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EFI_MAC_ADDRESS DstMac;
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EFI_MAC_ADDRESS SrcMac;
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EFI_MANAGED_NETWORK_COMPLETION_TOKEN MnpToken;
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EFI_MANAGED_NETWORK_TRANSMIT_DATA MnpTxData;
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} IP6_LINK_TX_TOKEN;
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struct _IP6_ADDRESS_INFO {
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UINT32 Signature;
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LIST_ENTRY Link;
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EFI_IPv6_ADDRESS Address;
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BOOLEAN IsAnycast;
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UINT8 PrefixLength;
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UINT32 ValidLifetime;
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UINT32 PreferredLifetime;
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};
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//
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// Callback to select which frame to cancel. Caller can cancel a
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// single frame, or all the frame from an IP instance.
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//
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typedef
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BOOLEAN
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(*IP6_FRAME_TO_CANCEL) (
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IP6_LINK_TX_TOKEN *Frame,
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VOID *Context
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);
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struct _IP6_INTERFACE {
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UINT32 Signature;
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LIST_ENTRY Link;
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INTN RefCnt;
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//
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// IP address and prefix length of the interface. The fileds
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// are invalid if (Configured == FALSE)
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//
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LIST_ENTRY AddressList;
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UINT32 AddressCount;
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BOOLEAN Configured;
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IP6_SERVICE *Service;
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EFI_HANDLE Controller;
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EFI_HANDLE Image;
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//
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// Queues to keep the frames sent and waiting ARP request.
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//
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LIST_ENTRY ArpQues;
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LIST_ENTRY SentFrames;
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//
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// The interface's configuration variables
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//
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UINT32 DupAddrDetect;
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LIST_ENTRY DupAddrDetectList;
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LIST_ENTRY DelayJoinList;
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//
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// All the IP instances that have the same IP/SubnetMask are linked
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// together through IpInstances. If any of the instance enables
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// promiscuous receive, PromiscRecv is true.
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//
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LIST_ENTRY IpInstances;
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BOOLEAN PromiscRecv;
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};
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/**
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Create an IP6_INTERFACE.
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@param[in] IpSb The IP6 service binding instance.
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@param[in] LinkLocal If TRUE, the instance is created for link-local address.
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Otherwise, it is not for a link-local address.
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@return Point to the created IP6_INTERFACE, otherwise NULL.
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**/
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IP6_INTERFACE *
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Ip6CreateInterface (
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IN IP6_SERVICE *IpSb,
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IN BOOLEAN LinkLocal
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);
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/**
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Free the interface used by IpInstance. All the IP instance with
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the same Ip/prefix pair share the same interface. It is reference
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counted. All the frames that haven't been sent will be cancelled.
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Because the IpInstance is optional, the caller must remove
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IpInstance from the interface's instance list.
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@param[in] Interface The interface used by the IpInstance.
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@param[in] IpInstance The IP instance that free the interface. NULL if
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the IP driver is releasing the default interface.
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**/
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VOID
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Ip6CleanInterface (
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IN IP6_INTERFACE *Interface,
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IN IP6_PROTOCOL *IpInstance OPTIONAL
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);
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/**
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Free the link layer transmit token. It will close the event
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then free the memory used.
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@param[in] Token Token to free.
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**/
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VOID
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Ip6FreeLinkTxToken (
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IN IP6_LINK_TX_TOKEN *Token
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);
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/**
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Request Ip6OnFrameReceivedDpc as a DPC at TPL_CALLBACK
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@param Event The receive event delivered to MNP for receive.
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@param Context Context for the callback.
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**/
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VOID
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EFIAPI
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Ip6OnFrameReceived (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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/**
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Request to receive the packet from the interface.
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@param[in] CallBack Function to call when the receive finished.
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@param[in] IpSb Points to the IP6 service binding instance.
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@retval EFI_ALREADY_STARTED There is already a pending receive request.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resources to receive.
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@retval EFI_SUCCESS The receive request has been started.
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**/
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EFI_STATUS
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Ip6ReceiveFrame (
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IN IP6_FRAME_CALLBACK CallBack,
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IN IP6_SERVICE *IpSb
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);
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/**
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Send a frame from the interface. If the next hop is multicast address,
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it is transmitted immediately. If the next hop is a unicast,
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and the NextHop's MAC is not known, it will perform address resolution.
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If some error happened, the CallBack won't be called. So, the caller
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must test the return value, and take action when there is an error.
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@param[in] Interface The interface to send the frame from
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@param[in] IpInstance The IP child that request the transmission.
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NULL if it is the IP6 driver itself.
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@param[in] Packet The packet to transmit.
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@param[in] NextHop The immediate destination to transmit the packet to.
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@param[in] CallBack Function to call back when transmit finished.
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@param[in] Context Opaque parameter to the call back.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resource to send the frame.
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@retval EFI_NO_MAPPING Can't resolve the MAC for the nexthop.
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@retval EFI_SUCCESS The packet successfully transmitted.
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**/
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EFI_STATUS
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Ip6SendFrame (
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IN IP6_INTERFACE *Interface,
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IN IP6_PROTOCOL *IpInstance OPTIONAL,
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IN NET_BUF *Packet,
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IN EFI_IPv6_ADDRESS *NextHop,
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IN IP6_FRAME_CALLBACK CallBack,
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IN VOID *Context
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);
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/**
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The heartbeat timer of IP6 service instance. It times out
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all of its IP6 children's received-but-not-delivered and
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transmitted-but-not-recycle packets.
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@param[in] Event The IP6 service instance's heart beat timer.
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@param[in] Context The IP6 service instance.
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**/
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VOID
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EFIAPI
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Ip6TimerTicking (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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#endif
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