1 /*
2  * Copyright (c) 2004 Topspin Communications.  All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #ifndef _CORE_PRIV_H
34 #define _CORE_PRIV_H
35 
36 #include <linux/list.h>
37 #include <linux/spinlock.h>
38 
39 #include <rdma/ib_verbs.h>
40 
41 #if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS)
42 int cma_configfs_init(void);
43 void cma_configfs_exit(void);
44 #else
45 static inline int cma_configfs_init(void)
46 {
47 	return 0;
48 }
49 
50 static inline void cma_configfs_exit(void)
51 {
52 }
53 #endif
54 struct cma_device;
55 void cma_ref_dev(struct cma_device *cma_dev);
56 void cma_deref_dev(struct cma_device *cma_dev);
57 typedef bool (*cma_device_filter)(struct ib_device *, void *);
58 struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter	filter,
59 					     void		*cookie);
60 int cma_get_default_gid_type(struct cma_device *cma_dev,
61 			     unsigned int port);
62 int cma_set_default_gid_type(struct cma_device *cma_dev,
63 			     unsigned int port,
64 			     enum ib_gid_type default_gid_type);
65 struct ib_device *cma_get_ib_dev(struct cma_device *cma_dev);
66 
67 int  ib_device_register_sysfs(struct ib_device *device,
68 			      int (*port_callback)(struct ib_device *,
69 						   u8, struct kobject *));
70 void ib_device_unregister_sysfs(struct ib_device *device);
71 
72 void ib_cache_setup(void);
73 void ib_cache_cleanup(void);
74 
75 int ib_resolve_eth_dmac(struct ib_qp *qp,
76 			struct ib_qp_attr *qp_attr, int *qp_attr_mask);
77 
78 typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port,
79 	      struct net_device *idev, void *cookie);
80 
81 typedef int (*roce_netdev_filter)(struct ib_device *device, u8 port,
82 	     struct net_device *idev, void *cookie);
83 
84 void ib_enum_roce_netdev(struct ib_device *ib_dev,
85 			 roce_netdev_filter filter,
86 			 void *filter_cookie,
87 			 roce_netdev_callback cb,
88 			 void *cookie);
89 void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
90 			      void *filter_cookie,
91 			      roce_netdev_callback cb,
92 			      void *cookie);
93 
94 enum ib_cache_gid_default_mode {
95 	IB_CACHE_GID_DEFAULT_MODE_SET,
96 	IB_CACHE_GID_DEFAULT_MODE_DELETE
97 };
98 
99 int ib_cache_gid_parse_type_str(const char *buf);
100 
101 const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);
102 
103 void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
104 				  struct net_device *ndev,
105 				  unsigned long gid_type_mask,
106 				  enum ib_cache_gid_default_mode mode);
107 
108 int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
109 		     union ib_gid *gid, struct ib_gid_attr *attr);
110 
111 int ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
112 		     union ib_gid *gid, struct ib_gid_attr *attr);
113 
114 int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
115 				     struct net_device *ndev);
116 
117 int roce_gid_mgmt_init(void);
118 void roce_gid_mgmt_cleanup(void);
119 
120 int roce_rescan_device(struct ib_device *ib_dev);
121 unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);
122 
123 int ib_cache_setup_one(struct ib_device *device);
124 void ib_cache_cleanup_one(struct ib_device *device);
125 void ib_cache_release_one(struct ib_device *device);
126 
127 static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
128 					 struct net_device *upper)
129 {
130 	struct net_device *_upper = NULL;
131 	struct list_head *iter;
132 
133 	netdev_for_each_all_upper_dev_rcu(dev, _upper, iter)
134 		if (_upper == upper)
135 			break;
136 
137 	return _upper == upper;
138 }
139 
140 int addr_init(void);
141 void addr_cleanup(void);
142 
143 int ib_mad_init(void);
144 void ib_mad_cleanup(void);
145 
146 int ib_sa_init(void);
147 void ib_sa_cleanup(void);
148 
149 int ib_nl_handle_resolve_resp(struct sk_buff *skb,
150 			      struct netlink_callback *cb);
151 int ib_nl_handle_set_timeout(struct sk_buff *skb,
152 			     struct netlink_callback *cb);
153 int ib_nl_handle_ip_res_resp(struct sk_buff *skb,
154 			     struct netlink_callback *cb);
155 
156 #endif /* _CORE_PRIV_H */
157