include/rdma/iw_portmap.h

   1 /*
   2  * Copyright (c) 2014 Intel Corporation. All rights reserved.
   3  * Copyright (c) 2014 Chelsio, Inc. All rights reserved.
   4  *
   5  * This software is available to you under a choice of one of two
   6  * licenses.  You may choose to be licensed under the terms of the GNU
   7  * General Public License (GPL) Version 2, available from the file
   8  * COPYING in the main directory of this source tree, or the
   9  * OpenIB.org BSD license below:
  10  *
  11  *     Redistribution and use in source and binary forms, with or
  12  *     without modification, are permitted provided that the following
  13  *     conditions are met:
  14  *
  15  *      - Redistributions of source code must retain the above
  16  *        copyright notice, this list of conditions and the following
  17  *        disclaimer.
  18  *
  19  *      - Redistributions in binary form must reproduce the above
  20  *        copyright notice, this list of conditions and the following
  21  *        disclaimer in the documentation and/or other materials
  22  *        provided with the distribution.
  23  *
  24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31  * SOFTWARE.
  32  */
  33 #ifndef _IW_PORTMAP_H
  34 #define _IW_PORTMAP_H
  35
  36 #include <linux/socket.h>
  37 #include <linux/netlink.h>
  38
  39 #define IWPM_ULIBNAME_SIZE      32
  40 #define IWPM_DEVNAME_SIZE       32
  41 #define IWPM_IFNAME_SIZE        16
  42 #define IWPM_IPADDR_SIZE        16
  43
  44 enum {
  45         IWPM_INVALID_NLMSG_ERR = 10,
  46         IWPM_CREATE_MAPPING_ERR,
  47         IWPM_DUPLICATE_MAPPING_ERR,
  48         IWPM_UNKNOWN_MAPPING_ERR,
  49         IWPM_CLIENT_DEV_INFO_ERR,
  50         IWPM_USER_LIB_INFO_ERR,
  51         IWPM_REMOTE_QUERY_REJECT
  52 };
  53
  54 struct iwpm_dev_data {
  55         char dev_name[IWPM_DEVNAME_SIZE];
  56         char if_name[IWPM_IFNAME_SIZE];
  57 };
  58
  59 struct iwpm_sa_data {
  60         struct sockaddr_storage loc_addr;
  61         struct sockaddr_storage mapped_loc_addr;
  62         struct sockaddr_storage rem_addr;
  63         struct sockaddr_storage mapped_rem_addr;
  64         u32 flags;
  65 };
  66
  67 int iwpm_init(u8);
  68 int iwpm_exit(u8);
  69 int iwpm_valid_pid(void);
  70 int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client);
  71 int iwpm_add_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client);
  72 int iwpm_add_and_query_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client);
  73 int iwpm_remove_mapping(struct sockaddr_storage *local_addr, u8 nl_client);
  74 int iwpm_register_pid_cb(struct sk_buff *, struct netlink_callback *);
  75 int iwpm_add_mapping_cb(struct sk_buff *, struct netlink_callback *);
  76 int iwpm_add_and_query_mapping_cb(struct sk_buff *, struct netlink_callback *);
  77 int iwpm_remote_info_cb(struct sk_buff *, struct netlink_callback *);
  78 int iwpm_mapping_error_cb(struct sk_buff *, struct netlink_callback *);
  79 int iwpm_mapping_info_cb(struct sk_buff *, struct netlink_callback *);
  80 int iwpm_ack_mapping_info_cb(struct sk_buff *, struct netlink_callback *);
  81 int iwpm_get_remote_info(struct sockaddr_storage *mapped_loc_addr,
  82                         struct sockaddr_storage *mapped_rem_addr,
  83                         struct sockaddr_storage *remote_addr, u8 nl_client);
  84 int iwpm_create_mapinfo(struct sockaddr_storage *local_addr,
  85                         struct sockaddr_storage *mapped_addr, u8 nl_client,
  86                         u32 map_flags);
  87 int iwpm_remove_mapinfo(struct sockaddr_storage *local_addr,
  88                         struct sockaddr_storage *mapped_addr);
  89
  90 int iwpm_hello_cb(struct sk_buff *skb, struct netlink_callback *cb);
  91 #endif /* _IW_PORTMAP_H */