xref: /linux/include/rdma/iw_portmap.h (revision 52338415)
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 */
92