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2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc 
 kernel/include/rdma/iw_portmap.h
....@@ -1,37 +1,14 @@
1
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
12 /*
23  * Copyright (c) 2014 Intel Corporation. All rights reserved.
34  * Copyright (c) 2014 Chelsio, Inc. All rights reserved.
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- *
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- * This software is available to you under a choice of one of two
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- * licenses.  You may choose to be licensed under the terms of the GNU
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- * General Public License (GPL) Version 2, available from the file
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- * COPYING in the main directory of this source tree, or the
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- * OpenIB.org BSD license below:
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- *
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- *     Redistribution and use in source and binary forms, with or
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- *     without modification, are permitted provided that the following
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- *     conditions are met:
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- *
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- *      - Redistributions of source code must retain the above
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- *	  copyright notice, this list of conditions and the following
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- *	  disclaimer.
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- *
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- *      - Redistributions in binary form must reproduce the above
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- *	  copyright notice, this list of conditions and the following
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- *	  disclaimer in the documentation and/or other materials
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- *	  provided with the distribution.
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- *
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- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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- * SOFTWARE.
325  */
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+
337 #ifndef _IW_PORTMAP_H
348 #define _IW_PORTMAP_H
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+
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+#include <linux/socket.h>
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+#include <linux/netlink.h>
3512 
3613 #define IWPM_ULIBNAME_SIZE	32
3714 #define IWPM_DEVNAME_SIZE	32
....@@ -58,167 +35,31 @@
5835 	struct sockaddr_storage mapped_loc_addr;
5936 	struct sockaddr_storage rem_addr;
6037 	struct sockaddr_storage mapped_rem_addr;
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+	u32 flags;
6139 };
6240 
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-/**
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- * iwpm_init - Allocate resources for the iwarp port mapper
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- *
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- * Should be called when network interface goes up.
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- */
6841 int iwpm_init(u8);
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-
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-/**
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- * iwpm_exit - Deallocate resources for the iwarp port mapper
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- *
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- * Should be called when network interface goes down.
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- */
7542 int iwpm_exit(u8);
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-
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-/**
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- * iwpm_valid_pid - Check if the userspace iwarp port mapper pid is valid
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- *
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- * Returns true if the pid is greater than zero, otherwise returns false
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- */
8243 int iwpm_valid_pid(void);
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-
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-/**
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- * iwpm_register_pid - Send a netlink query to userspace
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- *                     to get the iwarp port mapper pid
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- * @pm_msg: Contains driver info to send to the userspace port mapper
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- * @nl_client: The index of the netlink client
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- */
9044 int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client);
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-
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-/**
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- * iwpm_add_mapping - Send a netlink add mapping request to
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- *                    the userspace port mapper
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- * @pm_msg: Contains the local ip/tcp address info to send
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- * @nl_client: The index of the netlink client
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- *
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- * If the request is successful, the pm_msg stores
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- * the port mapper response (mapped address info)
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- */
10145 int iwpm_add_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client);
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-
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-/**
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- * iwpm_add_and_query_mapping - Send a netlink add and query mapping request
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- *				 to the userspace port mapper
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- * @pm_msg: Contains the local and remote ip/tcp address info to send
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- * @nl_client: The index of the netlink client
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- *
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- * If the request is successful, the pm_msg stores the
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- * port mapper response (mapped local and remote address info)
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- */
11246 int iwpm_add_and_query_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client);
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-
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-/**
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- * iwpm_remove_mapping - Send a netlink remove mapping request
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- *                       to the userspace port mapper
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- *
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- * @local_addr: Local ip/tcp address to remove
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- * @nl_client: The index of the netlink client
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- */
12147 int iwpm_remove_mapping(struct sockaddr_storage *local_addr, u8 nl_client);
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-
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-/**
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- * iwpm_register_pid_cb - Process the port mapper response to
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- *                        iwpm_register_pid query
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- * @skb:
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- * @cb: Contains the received message (payload and netlink header)
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- *
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- * If successful, the function receives the userspace port mapper pid
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- * which is used in future communication with the port mapper
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- */
13248 int iwpm_register_pid_cb(struct sk_buff *, struct netlink_callback *);
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-
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-/**
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- * iwpm_add_mapping_cb - Process the port mapper response to
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- *                       iwpm_add_mapping request
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- * @skb:
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- * @cb: Contains the received message (payload and netlink header)
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- */
14049 int iwpm_add_mapping_cb(struct sk_buff *, struct netlink_callback *);
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-
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-/**
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- * iwpm_add_and_query_mapping_cb - Process the port mapper response to
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- *                                 iwpm_add_and_query_mapping request
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- * @skb:
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- * @cb: Contains the received message (payload and netlink header)
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- */
14850 int iwpm_add_and_query_mapping_cb(struct sk_buff *, struct netlink_callback *);
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-
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-/**
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- * iwpm_remote_info_cb - Process remote connecting peer address info, which
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- *                       the port mapper has received from the connecting peer
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- *
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- * @cb: Contains the received message (payload and netlink header)
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- *
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- * Stores the IPv4/IPv6 address info in a hash table
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- */
15851 int iwpm_remote_info_cb(struct sk_buff *, struct netlink_callback *);
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-
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-/**
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- * iwpm_mapping_error_cb - Process port mapper notification for error
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- *
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- * @skb:
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- * @cb: Contains the received message (payload and netlink header)
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- */
16652 int iwpm_mapping_error_cb(struct sk_buff *, struct netlink_callback *);
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-
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-/**
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- * iwpm_mapping_info_cb - Process a notification that the userspace
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- *                        port mapper daemon is started
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- * @skb:
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- * @cb: Contains the received message (payload and netlink header)
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- *
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- * Using the received port mapper pid, send all the local mapping
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- * info records to the userspace port mapper
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- */
17753 int iwpm_mapping_info_cb(struct sk_buff *, struct netlink_callback *);
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-
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-/**
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- * iwpm_ack_mapping_info_cb - Process the port mapper ack for
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- *                            the provided local mapping info records
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- * @skb:
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- * @cb: Contains the received message (payload and netlink header)
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- */
18554 int iwpm_ack_mapping_info_cb(struct sk_buff *, struct netlink_callback *);
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-
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-/**
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- * iwpm_get_remote_info - Get the remote connecting peer address info
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- *
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- * @mapped_loc_addr: Mapped local address of the listening peer
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- * @mapped_rem_addr: Mapped remote address of the connecting peer
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- * @remote_addr: To store the remote address of the connecting peer
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- * @nl_client: The index of the netlink client
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- *
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- * The remote address info is retrieved and provided to the client in
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- * the remote_addr. After that it is removed from the hash table
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- */
19855 int iwpm_get_remote_info(struct sockaddr_storage *mapped_loc_addr,
19956 			struct sockaddr_storage *mapped_rem_addr,
20057 			struct sockaddr_storage *remote_addr, u8 nl_client);
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-
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-/**
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- * iwpm_create_mapinfo - Store local and mapped IPv4/IPv6 address
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- *                       info in a hash table
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- * @local_addr: Local ip/tcp address
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- * @mapped_addr: Mapped local ip/tcp address
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- * @nl_client: The index of the netlink client
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- */
20958 int iwpm_create_mapinfo(struct sockaddr_storage *local_addr,
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-			struct sockaddr_storage *mapped_addr, u8 nl_client);
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-
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-/**
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- * iwpm_remove_mapinfo - Remove local and mapped IPv4/IPv6 address
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- *                       info from the hash table
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- * @local_addr: Local ip/tcp address
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- * @mapped_addr: Mapped local ip/tcp address
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- *
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- * Returns err code if mapping info is not found in the hash table,
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- * otherwise returns 0
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- */
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+			struct sockaddr_storage *mapped_addr, u8 nl_client,
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+			u32 map_flags);
22161 int iwpm_remove_mapinfo(struct sockaddr_storage *local_addr,
22262 			struct sockaddr_storage *mapped_addr);
22363 
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+int iwpm_hello_cb(struct sk_buff *skb, struct netlink_callback *cb);
22465 #endif /* _IW_PORTMAP_H */