200 lines
6.5 KiB
C
200 lines
6.5 KiB
C
/*
|
|
* Copyright (c) 2014 Intel Corporation. All rights reserved.
|
|
* Copyright (c) 2014 Chelsio, Inc. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
#ifndef _IW_PORTMAP_H
|
|
#define _IW_PORTMAP_H
|
|
|
|
#define IWPM_ULIBNAME_SIZE 32
|
|
#define IWPM_DEVNAME_SIZE 32
|
|
#define IWPM_IFNAME_SIZE 16
|
|
#define IWPM_IPADDR_SIZE 16
|
|
|
|
enum {
|
|
IWPM_INVALID_NLMSG_ERR = 10,
|
|
IWPM_CREATE_MAPPING_ERR,
|
|
IWPM_DUPLICATE_MAPPING_ERR,
|
|
IWPM_UNKNOWN_MAPPING_ERR,
|
|
IWPM_CLIENT_DEV_INFO_ERR,
|
|
IWPM_USER_LIB_INFO_ERR,
|
|
IWPM_REMOTE_QUERY_REJECT
|
|
};
|
|
|
|
struct iwpm_dev_data {
|
|
char dev_name[IWPM_DEVNAME_SIZE];
|
|
char if_name[IWPM_IFNAME_SIZE];
|
|
};
|
|
|
|
struct iwpm_sa_data {
|
|
struct sockaddr_storage loc_addr;
|
|
struct sockaddr_storage mapped_loc_addr;
|
|
struct sockaddr_storage rem_addr;
|
|
struct sockaddr_storage mapped_rem_addr;
|
|
};
|
|
|
|
/**
|
|
* iwpm_init - Allocate resources for the iwarp port mapper
|
|
*
|
|
* Should be called when network interface goes up.
|
|
*/
|
|
int iwpm_init(u8);
|
|
|
|
/**
|
|
* iwpm_exit - Deallocate resources for the iwarp port mapper
|
|
*
|
|
* Should be called when network interface goes down.
|
|
*/
|
|
int iwpm_exit(u8);
|
|
|
|
/**
|
|
* iwpm_valid_pid - Check if the userspace iwarp port mapper pid is valid
|
|
*
|
|
* Returns true if the pid is greater than zero, otherwise returns false
|
|
*/
|
|
int iwpm_valid_pid(void);
|
|
|
|
/**
|
|
* iwpm_register_pid - Send a netlink query to userspace
|
|
* to get the iwarp port mapper pid
|
|
* @pm_msg: Contains driver info to send to the userspace port mapper
|
|
* @nl_client: The index of the netlink client
|
|
*/
|
|
int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client);
|
|
|
|
/**
|
|
* iwpm_add_mapping - Send a netlink add mapping request to
|
|
* the userspace port mapper
|
|
* @pm_msg: Contains the local ip/tcp address info to send
|
|
* @nl_client: The index of the netlink client
|
|
*
|
|
* If the request is successful, the pm_msg stores
|
|
* the port mapper response (mapped address info)
|
|
*/
|
|
int iwpm_add_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client);
|
|
|
|
/**
|
|
* iwpm_add_and_query_mapping - Send a netlink add and query mapping request
|
|
* to the userspace port mapper
|
|
* @pm_msg: Contains the local and remote ip/tcp address info to send
|
|
* @nl_client: The index of the netlink client
|
|
*
|
|
* If the request is successful, the pm_msg stores the
|
|
* port mapper response (mapped local and remote address info)
|
|
*/
|
|
int iwpm_add_and_query_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client);
|
|
|
|
/**
|
|
* iwpm_remove_mapping - Send a netlink remove mapping request
|
|
* to the userspace port mapper
|
|
*
|
|
* @local_addr: Local ip/tcp address to remove
|
|
* @nl_client: The index of the netlink client
|
|
*/
|
|
int iwpm_remove_mapping(struct sockaddr_storage *local_addr, u8 nl_client);
|
|
|
|
/**
|
|
* iwpm_register_pid_cb - Process the port mapper response to
|
|
* iwpm_register_pid query
|
|
* @skb:
|
|
* @cb: Contains the received message (payload and netlink header)
|
|
*
|
|
* If successful, the function receives the userspace port mapper pid
|
|
* which is used in future communication with the port mapper
|
|
*/
|
|
int iwpm_register_pid_cb(struct sk_buff *, struct netlink_callback *);
|
|
|
|
/**
|
|
* iwpm_add_mapping_cb - Process the port mapper response to
|
|
* iwpm_add_mapping request
|
|
* @skb:
|
|
* @cb: Contains the received message (payload and netlink header)
|
|
*/
|
|
int iwpm_add_mapping_cb(struct sk_buff *, struct netlink_callback *);
|
|
|
|
/**
|
|
* iwpm_add_and_query_mapping_cb - Process the port mapper response to
|
|
* iwpm_add_and_query_mapping request
|
|
* @skb:
|
|
* @cb: Contains the received message (payload and netlink header)
|
|
*/
|
|
int iwpm_add_and_query_mapping_cb(struct sk_buff *, struct netlink_callback *);
|
|
|
|
/**
|
|
* iwpm_mapping_error_cb - Process port mapper notification for error
|
|
*
|
|
* @skb:
|
|
* @cb: Contains the received message (payload and netlink header)
|
|
*/
|
|
int iwpm_mapping_error_cb(struct sk_buff *, struct netlink_callback *);
|
|
|
|
/**
|
|
* iwpm_mapping_info_cb - Process a notification that the userspace
|
|
* port mapper daemon is started
|
|
* @skb:
|
|
* @cb: Contains the received message (payload and netlink header)
|
|
*
|
|
* Using the received port mapper pid, send all the local mapping
|
|
* info records to the userspace port mapper
|
|
*/
|
|
int iwpm_mapping_info_cb(struct sk_buff *, struct netlink_callback *);
|
|
|
|
/**
|
|
* iwpm_ack_mapping_info_cb - Process the port mapper ack for
|
|
* the provided local mapping info records
|
|
* @skb:
|
|
* @cb: Contains the received message (payload and netlink header)
|
|
*/
|
|
int iwpm_ack_mapping_info_cb(struct sk_buff *, struct netlink_callback *);
|
|
|
|
/**
|
|
* iwpm_create_mapinfo - Store local and mapped IPv4/IPv6 address
|
|
* info in a hash table
|
|
* @local_addr: Local ip/tcp address
|
|
* @mapped_addr: Mapped local ip/tcp address
|
|
* @nl_client: The index of the netlink client
|
|
*/
|
|
int iwpm_create_mapinfo(struct sockaddr_storage *local_addr,
|
|
struct sockaddr_storage *mapped_addr, u8 nl_client);
|
|
|
|
/**
|
|
* iwpm_remove_mapinfo - Remove local and mapped IPv4/IPv6 address
|
|
* info from the hash table
|
|
* @local_addr: Local ip/tcp address
|
|
* @mapped_addr: Mapped local ip/tcp address
|
|
*
|
|
* Returns err code if mapping info is not found in the hash table,
|
|
* otherwise returns 0
|
|
*/
|
|
int iwpm_remove_mapinfo(struct sockaddr_storage *local_addr,
|
|
struct sockaddr_storage *mapped_addr);
|
|
|
|
#endif /* _IW_PORTMAP_H */
|