1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3  *
4  * Copyright (c) 2004 Topspin Communications.  All rights reserved.
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenIB.org BSD license below:
11  *
12  *     Redistribution and use in source and binary forms, with or
13  *     without modification, are permitted provided that the following
14  *     conditions are met:
15  *
16  *      - Redistributions of source code must retain the above
17  *        copyright notice, this list of conditions and the following
18  *        disclaimer.
19  *
20  *      - Redistributions in binary form must reproduce the above
21  *        copyright notice, this list of conditions and the following
22  *        disclaimer in the documentation and/or other materials
23  *        provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  *
34  * $FreeBSD$
35  */
36 
37 #ifndef _CORE_PRIV_H
38 #define _CORE_PRIV_H
39 
40 #include <linux/list.h>
41 #include <linux/spinlock.h>
42 
43 #include <rdma/ib_verbs.h>
44 
45 #include <net/if_vlan_var.h>
46 
47 #ifdef CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS
48 int cma_configfs_init(void);
49 void cma_configfs_exit(void);
50 #else
51 static inline int cma_configfs_init(void)
52 {
53 	return 0;
54 }
55 
56 static inline void cma_configfs_exit(void)
57 {
58 }
59 #endif
60 struct cma_device;
61 void cma_ref_dev(struct cma_device *cma_dev);
62 void cma_deref_dev(struct cma_device *cma_dev);
63 typedef bool (*cma_device_filter)(struct ib_device *, void *);
64 struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter	filter,
65 					     void		*cookie);
66 int cma_get_default_gid_type(struct cma_device *cma_dev,
67 			     unsigned int port);
68 int cma_set_default_gid_type(struct cma_device *cma_dev,
69 			     unsigned int port,
70 			     enum ib_gid_type default_gid_type);
71 struct ib_device *cma_get_ib_dev(struct cma_device *cma_dev);
72 
73 int  ib_device_register_sysfs(struct ib_device *device,
74 			      int (*port_callback)(struct ib_device *,
75 						   u8, struct kobject *));
76 void ib_device_unregister_sysfs(struct ib_device *device);
77 
78 void ib_cache_setup(void);
79 void ib_cache_cleanup(void);
80 
81 typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port,
82 	      struct net_device *idev, void *cookie);
83 
84 typedef int (*roce_netdev_filter)(struct ib_device *device, u8 port,
85 	     struct net_device *idev, void *cookie);
86 
87 void ib_enum_roce_netdev(struct ib_device *ib_dev,
88 			 roce_netdev_filter filter,
89 			 void *filter_cookie,
90 			 roce_netdev_callback cb,
91 			 void *cookie);
92 void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
93 			      void *filter_cookie,
94 			      roce_netdev_callback cb,
95 			      void *cookie);
96 
97 enum ib_cache_gid_default_mode {
98 	IB_CACHE_GID_DEFAULT_MODE_SET,
99 	IB_CACHE_GID_DEFAULT_MODE_DELETE
100 };
101 
102 int ib_cache_gid_parse_type_str(const char *buf);
103 
104 const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);
105 
106 void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
107 				  struct net_device *ndev,
108 				  unsigned long gid_type_mask,
109 				  enum ib_cache_gid_default_mode mode);
110 
111 int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
112 		     union ib_gid *gid, struct ib_gid_attr *attr);
113 
114 int ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
115 		     union ib_gid *gid, struct ib_gid_attr *attr);
116 
117 int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
118 				     struct net_device *ndev);
119 void ib_cache_gid_del_all_by_netdev(struct net_device *ndev);
120 
121 int roce_gid_mgmt_init(void);
122 void roce_gid_mgmt_cleanup(void);
123 
124 int roce_rescan_device(struct ib_device *ib_dev);
125 unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);
126 
127 int ib_cache_setup_one(struct ib_device *device);
128 void ib_cache_cleanup_one(struct ib_device *device);
129 void ib_cache_release_one(struct ib_device *device);
130 
131 static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
132 					 struct net_device *upper)
133 {
134 
135 	/* TODO: add support for LAGG */
136 	upper = VLAN_TRUNKDEV(upper);
137 
138 	return (dev == upper);
139 }
140 
141 int addr_init(void);
142 void addr_cleanup(void);
143 
144 int ib_mad_init(void);
145 void ib_mad_cleanup(void);
146 
147 int ib_sa_init(void);
148 void ib_sa_cleanup(void);
149 
150 #endif /* _CORE_PRIV_H */
151