release/src-rt/include/emf/igs/igsc_sdb.h

   1 /*
   2  * Copyright (C) 2009, Broadcom Corporation
   3  * All Rights Reserved.
   4  *
   5  * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;
   6  * the contents of this file may not be disclosed to third parties, copied
   7  * or duplicated in any form, in whole or in part, without the prior
   8  * written permission of Broadcom Corporation.
   9  *
  10  * $Id: igsc_sdb.h,v 1.2 2008/08/12 17:50:33 Exp $
  11  */
  12
  13 #ifndef _IGSC_SDB_H_
  14 #define _IGSC_SDB_H_
  15
  16 #define IGSDB_MGRP_HASH(m)     ((((m) >> 24) + ((m) >> 16) + \
  17                                  ((m) >> 8) + ((m) & 0xff)) & 7)
  18
  19 /*
  20  * Group entry of IGSDB
  21  */
  22 typedef struct igsc_mgrp
  23 {
  24         clist_head_t   mgrp_hlist;   /* Multicast Groups hash list */
  25         uint32         mgrp_ip;      /* Multicast Group IP Address */
  26         clist_head_t   mh_head;      /* List head of group members */
  27         clist_head_t   mi_head;      /* List head of interfaces */
  28         igsc_info_t    *igsc_info;   /* IGSC instance data */
  29 } igsc_mgrp_t;
  30
  31 /*
  32  * Interface entry of IGSDB
  33  */
  34 typedef struct igsc_mi
  35 {
  36         clist_head_t   mi_list;      /* Multicast i/f list prev and next */
  37         void           *mi_ifp;      /* Interface pointer */
  38         int32          mi_ref;       /* Ref count of hosts on the i/f */
  39 } igsc_mi_t;
  40
  41 /*
  42  * Host entry of IGSDB
  43  */
  44 typedef struct igsc_mh
  45 {
  46         clist_head_t   mh_list;      /* Group members list prev and next */
  47         uint32         mh_ip;        /* Unicast IP address of host */
  48         igsc_mgrp_t    *mh_mgrp;     /* Multicast forwarding entry for the
  49                                       * group
  50                                       */
  51         osl_timer_t    *mgrp_timer;  /* Group Membership Interval timer */
  52         igsc_mi_t      *mh_mi;       /* Interface connected to host */
  53 } igsc_mh_t;
  54
  55 /*
  56  * Prototypes
  57  */
  58 int32 igsc_sdb_member_add(igsc_info_t *igsc_info, void *ifp, uint32 mgrp_ip,
  59                           uint32 mh_ip);
  60 int32 igsc_sdb_member_del(igsc_info_t *igsc_info, void *ifp, uint32 mgrp_ip,
  61                           uint32 mh_ip);
  62 void igsc_sdb_init(igsc_info_t *igsc_info);
  63
  64 #endif /* _IGSC_SDB_H_ */