exec/totemknet.h

   1 /*
   2  * Copyright (c) 2005 MontaVista Software, Inc.
   3  * Copyright (c) 2006-2011 Red Hat, Inc.
   4  *
   5  * All rights reserved.
   6  *
   7  * Author: Steven Dake (sdake@redhat.com)
   8  *
   9  * This software licensed under BSD license, the text of which follows:
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions are met:
  13  *
  14  * - Redistributions of source code must retain the above copyright notice,
  15  *   this list of conditions and the following disclaimer.
  16  * - Redistributions in binary form must reproduce the above copyright notice,
  17  *   this list of conditions and the following disclaimer in the documentation
  18  *   and/or other materials provided with the distribution.
  19  * - Neither the name of the MontaVista Software, Inc. nor the names of its
  20  *   contributors may be used to endorse or promote products derived from this
  21  *   software without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  33  * THE POSSIBILITY OF SUCH DAMAGE.
  34  */
  35 #ifndef TOTEMKNET_H_DEFINED
  36 #define TOTEMKNET_H_DEFINED
  37
  38 #include <sys/types.h>
  39 #include <sys/socket.h>
  40 #include <qb/qbloop.h>
  41
  42 #include <corosync/totem/totem.h>
  43
  44 /**
  45  * Create an instance
  46  */
  47 extern int totemknet_initialize (
  48         qb_loop_t *poll_handle,
  49         void **knet_context,
  50         struct totem_config *totem_config,
  51         totemsrp_stats_t *stats,
  52         void *context,
  53
  54         void (*deliver_fn) (
  55                 void *context,
  56                 const void *msg,
  57                 unsigned int msg_len,
  58                 const struct sockaddr_storage *system_from),
  59
  60         void (*iface_change_fn) (
  61                 void *context,
  62                 const struct totem_ip_address *iface_address,
  63                 unsigned int ring_no),
  64
  65         void (*mtu_changed) (
  66                 void *context,
  67                 int net_mtu),
  68
  69         void (*target_set_completed) (
  70                 void *context));
  71
  72 extern void *totemknet_buffer_alloc (void);
  73
  74 extern void totemknet_buffer_release (void *ptr);
  75
  76 extern int totemknet_processor_count_set (
  77         void *knet_context,
  78         int processor_count);
  79
  80 extern int totemknet_token_send (
  81         void *knet_context,
  82         const void *msg,
  83         unsigned int msg_len);
  84
  85 extern int totemknet_mcast_flush_send (
  86         void *knet_context,
  87         const void *msg,
  88         unsigned int msg_len);
  89
  90 extern int totemknet_mcast_noflush_send (
  91         void *knet_context,
  92         const void *msg,
  93         unsigned int msg_len);
  94
  95 extern int totemknet_recv_flush (void *knet_context);
  96
  97 extern int totemknet_send_flush (void *knet_context);
  98
  99 extern int totemknet_iface_check (void *knet_context);
 100
 101 extern int totemknet_finalize (void *knet_context);
 102
 103 extern void totemknet_net_mtu_adjust (void *knet_context, struct totem_config *totem_config);
 104
 105 extern int totemknet_nodestatus_get (void *knet_context, unsigned int nodeid,
 106                                      struct totem_node_status *node_status);
 107
 108 extern int totemknet_ifaces_get (void *net_context,
 109         char ***status,
 110         unsigned int *iface_count);
 111
 112 extern int totemknet_iface_set (void *net_context,
 113         const struct totem_ip_address *local_addr,
 114         unsigned short ip_port,
 115         unsigned int iface_no);
 116
 117 extern int totemknet_token_target_set (
 118         void *knet_context,
 119         unsigned int nodeid);
 120
 121 extern int totemknet_crypto_set (
 122         void *knet_context,
 123         const char *cipher_type,
 124         const char *hash_type);
 125
 126 extern int totemknet_recv_mcast_empty (
 127         void *knet_context);
 128
 129 extern int totemknet_member_add (
 130         void *knet_context,
 131         const struct totem_ip_address *local,
 132         const struct totem_ip_address *member,
 133         int ring_no);
 134
 135 extern int totemknet_member_remove (
 136         void *knet_context,
 137         const struct totem_ip_address *member,
 138         int ring_no);
 139
 140 extern int totemknet_member_set_active (
 141         void *knet_context,
 142         const struct totem_ip_address *member_ip,
 143         int active);
 144
 145 extern int totemknet_reconfigure (
 146         void *knet_context,
 147         struct totem_config *totem_config);
 148
 149 extern int totemknet_crypto_reconfigure_phase (
 150         void *knet_context,
 151         struct totem_config *totem_config,
 152         cfg_message_crypto_reconfig_phase_t phase);
 153
 154 extern void totemknet_stats_clear (
 155         void *knet_context);
 156
 157 extern void totemknet_configure_log_level (void);
 158
 159 #endif /* TOTEMKNET_H_DEFINED */