1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /*
3  * Copyright (c) 2014 Intel Corporation. All rights reserved.
4  * Copyright (c) 2014 Chelsio, Inc. All rights reserved.
5  */
6 
7 #ifndef _IW_PORTMAP_H
8 #define _IW_PORTMAP_H
9 
10 #include <linux/socket.h>
11 #include <linux/netlink.h>
12 
13 #define IWPM_ULIBNAME_SIZE	32
14 #define IWPM_DEVNAME_SIZE	32
15 #define IWPM_IFNAME_SIZE	16
16 #define IWPM_IPADDR_SIZE	16
17 
18 enum {
19 	IWPM_INVALID_NLMSG_ERR = 10,
20 	IWPM_CREATE_MAPPING_ERR,
21 	IWPM_DUPLICATE_MAPPING_ERR,
22 	IWPM_UNKNOWN_MAPPING_ERR,
23 	IWPM_CLIENT_DEV_INFO_ERR,
24 	IWPM_USER_LIB_INFO_ERR,
25 	IWPM_REMOTE_QUERY_REJECT
26 };
27 
28 struct iwpm_dev_data {
29 	char dev_name[IWPM_DEVNAME_SIZE];
30 	char if_name[IWPM_IFNAME_SIZE];
31 };
32 
33 struct iwpm_sa_data {
34 	struct sockaddr_storage loc_addr;
35 	struct sockaddr_storage mapped_loc_addr;
36 	struct sockaddr_storage rem_addr;
37 	struct sockaddr_storage mapped_rem_addr;
38 	u32 flags;
39 };
40 
41 int iwpm_init(u8);
42 int iwpm_exit(u8);
43 int iwpm_valid_pid(void);
44 int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client);
45 int iwpm_add_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client);
46 int iwpm_add_and_query_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client);
47 int iwpm_remove_mapping(struct sockaddr_storage *local_addr, u8 nl_client);
48 int iwpm_register_pid_cb(struct sk_buff *, struct netlink_callback *);
49 int iwpm_add_mapping_cb(struct sk_buff *, struct netlink_callback *);
50 int iwpm_add_and_query_mapping_cb(struct sk_buff *, struct netlink_callback *);
51 int iwpm_remote_info_cb(struct sk_buff *, struct netlink_callback *);
52 int iwpm_mapping_error_cb(struct sk_buff *, struct netlink_callback *);
53 int iwpm_mapping_info_cb(struct sk_buff *, struct netlink_callback *);
54 int iwpm_ack_mapping_info_cb(struct sk_buff *, struct netlink_callback *);
55 int iwpm_get_remote_info(struct sockaddr_storage *mapped_loc_addr,
56 			struct sockaddr_storage *mapped_rem_addr,
57 			struct sockaddr_storage *remote_addr, u8 nl_client);
58 int iwpm_create_mapinfo(struct sockaddr_storage *local_addr,
59 			struct sockaddr_storage *mapped_addr, u8 nl_client,
60 			u32 map_flags);
61 int iwpm_remove_mapinfo(struct sockaddr_storage *local_addr,
62 			struct sockaddr_storage *mapped_addr);
63 
64 int iwpm_hello_cb(struct sk_buff *skb, struct netlink_callback *cb);
65 #endif /* _IW_PORTMAP_H */
66