Ip4Igmp.h

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#ifndef __EFI_IP4_IGMP_H__
#define __EFI_IP4_IGMP_H__
 
//
// IGMP message type
//
#define IGMP_MEMBERSHIP_QUERY      0x11
#define IGMP_V1_MEMBERSHIP_REPORT  0x12
#define IGMP_V2_MEMBERSHIP_REPORT  0x16
#define IGMP_LEAVE_GROUP           0x17
 
#define IGMP_V1ROUTER_PRESENT     400
#define IGMP_UNSOLICIATED_REPORT  10
 
#pragma pack(1)
typedef struct {
  UINT8       Type;
  UINT8       MaxRespTime;
  UINT16      Checksum;
  IP4_ADDR    Group;
} IGMP_HEAD;
#pragma pack()
 
typedef struct {
  LIST_ENTRY         Link;
  INTN               RefCnt;
  IP4_ADDR           Address;
  INTN               DelayTime;
  BOOLEAN            ReportByUs;
  EFI_MAC_ADDRESS    Mac;
} IGMP_GROUP;
 
typedef struct {
  INTN          Igmpv1QuerySeen;
  LIST_ENTRY    Groups;
} IGMP_SERVICE_DATA;
 
EFI_STATUS
Ip4InitIgmp (
  IN OUT IP4_SERVICE  *IpSb
  );
 
EFI_STATUS
Ip4JoinGroup (
  IN IP4_PROTOCOL  *IpInstance,
  IN IP4_ADDR      Address
  );
 
EFI_STATUS
Ip4LeaveGroup (
  IN IP4_PROTOCOL  *IpInstance,
  IN IP4_ADDR      Address
  );
 
EFI_STATUS
Ip4IgmpHandle (
  IN IP4_SERVICE  *IpSb,
  IN IP4_HEAD     *Head,
  IN NET_BUF      *Packet
  );
 
VOID
Ip4IgmpTicking (
  IN IP4_SERVICE  *IpSb
  );
 
IP4_ADDR *
Ip4CombineGroups (
  IN  IP4_ADDR  *Source,
  IN  UINT32    Count,
  IN  IP4_ADDR  Addr
  );
 
INTN
Ip4RemoveGroupAddr (
  IN OUT IP4_ADDR  *Groups,
  IN     UINT32    Count,
  IN     IP4_ADDR  Addr
  );
 
IGMP_GROUP *
Ip4FindGroup (
  IN IGMP_SERVICE_DATA  *IgmpCtrl,
  IN IP4_ADDR           Address
  );
 
#endif