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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#include <linux/cgroup_rdma.h>
39#include <net/net_namespace.h>
40#include <net/netns/generic.h>
41
42#include <rdma/ib_verbs.h>
43#include <rdma/opa_addr.h>
44#include <rdma/ib_mad.h>
45#include <rdma/restrack.h>
46#include "mad_priv.h"
47#include "restrack.h"
48
49/* Total number of ports combined across all struct ib_devices's */
50#define RDMA_MAX_PORTS 8192
51
52struct pkey_index_qp_list {
53 struct list_head pkey_index_list;
54 u16 pkey_index;
55 /* Lock to hold while iterating the qp_list. */
56 spinlock_t qp_list_lock;
57 struct list_head qp_list;
58};
59
60/**
61 * struct rdma_dev_net - rdma net namespace metadata for a net
62 * @nl_sock: Pointer to netlink socket
63 * @net: Pointer to owner net namespace
64 * @id: xarray id to identify the net namespace.
65 */
66struct rdma_dev_net {
67 struct sock *nl_sock;
68 possible_net_t net;
69 u32 id;
70};
71
72extern const struct attribute_group ib_dev_attr_group;
73extern bool ib_devices_shared_netns;
74extern unsigned int rdma_dev_net_id;
75
76static inline struct rdma_dev_net *rdma_net_to_dev_net(struct net *net)
77{
78 return net_generic(net, rdma_dev_net_id);
79}
80
81int ib_device_rename(struct ib_device *ibdev, const char *name);
82int ib_device_set_dim(struct ib_device *ibdev, u8 use_dim);
83
84typedef void (*roce_netdev_callback)(struct ib_device *device, u32 port,
85 struct net_device *idev, void *cookie);
86
87typedef bool (*roce_netdev_filter)(struct ib_device *device, u32 port,
88 struct net_device *idev, void *cookie);
89
90struct net_device *ib_device_get_netdev(struct ib_device *ib_dev,
91 u32 port);
92
93void ib_enum_roce_netdev(struct ib_device *ib_dev,
94 roce_netdev_filter filter,
95 void *filter_cookie,
96 roce_netdev_callback cb,
97 void *cookie);
98void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
99 void *filter_cookie,
100 roce_netdev_callback cb,
101 void *cookie);
102
103typedef int (*nldev_callback)(struct ib_device *device,
104 struct sk_buff *skb,
105 struct netlink_callback *cb,
106 unsigned int idx);
107
108int ib_enum_all_devs(nldev_callback nldev_cb, struct sk_buff *skb,
109 struct netlink_callback *cb);
110
111struct ib_client_nl_info {
112 struct sk_buff *nl_msg;
113 struct device *cdev;
114 u32 port;
115 u64 abi;
116};
117int ib_get_client_nl_info(struct ib_device *ibdev, const char *client_name,
118 struct ib_client_nl_info *res);
119
120enum ib_cache_gid_default_mode {
121 IB_CACHE_GID_DEFAULT_MODE_SET,
122 IB_CACHE_GID_DEFAULT_MODE_DELETE
123};
124
125int ib_cache_gid_parse_type_str(const char *buf);
126
127const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);
128
129void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u32 port,
130 struct net_device *ndev,
131 unsigned long gid_type_mask,
132 enum ib_cache_gid_default_mode mode);
133
134int ib_cache_gid_add(struct ib_device *ib_dev, u32 port,
135 union ib_gid *gid, struct ib_gid_attr *attr);
136
137int ib_cache_gid_del(struct ib_device *ib_dev, u32 port,
138 union ib_gid *gid, struct ib_gid_attr *attr);
139
140int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u32 port,
141 struct net_device *ndev);
142
143int roce_gid_mgmt_init(void);
144void roce_gid_mgmt_cleanup(void);
145
146unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u32 port);
147
148int ib_cache_setup_one(struct ib_device *device);
149void ib_cache_cleanup_one(struct ib_device *device);
150void ib_cache_release_one(struct ib_device *device);
151void ib_dispatch_event_clients(struct ib_event *event);
152
153#ifdef CONFIG_CGROUP_RDMA
154void ib_device_register_rdmacg(struct ib_device *device);
155void ib_device_unregister_rdmacg(struct ib_device *device);
156
157int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
158 struct ib_device *device,
159 enum rdmacg_resource_type resource_index);
160
161void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
162 struct ib_device *device,
163 enum rdmacg_resource_type resource_index);
164#else
165static inline void ib_device_register_rdmacg(struct ib_device *device)
166{
167}
168
169static inline void ib_device_unregister_rdmacg(struct ib_device *device)
170{
171}
172
173static inline int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
174 struct ib_device *device,
175 enum rdmacg_resource_type resource_index)
176{
177 return 0;
178}
179
180static inline void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
181 struct ib_device *device,
182 enum rdmacg_resource_type resource_index)
183{
184}
185#endif
186
187static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
188 struct net_device *upper)
189{
190 return netdev_has_upper_dev_all_rcu(dev, upper);
191}
192
193int addr_init(void);
194void addr_cleanup(void);
195
196int ib_mad_init(void);
197void ib_mad_cleanup(void);
198
199int ib_sa_init(void);
200void ib_sa_cleanup(void);
201
202void rdma_nl_init(void);
203void rdma_nl_exit(void);
204
205int ib_nl_handle_resolve_resp(struct sk_buff *skb,
206 struct nlmsghdr *nlh,
207 struct netlink_ext_ack *extack);
208int ib_nl_handle_set_timeout(struct sk_buff *skb,
209 struct nlmsghdr *nlh,
210 struct netlink_ext_ack *extack);
211int ib_nl_handle_ip_res_resp(struct sk_buff *skb,
212 struct nlmsghdr *nlh,
213 struct netlink_ext_ack *extack);
214
215void ib_get_cached_subnet_prefix(struct ib_device *device,
216 u32 port_num,
217 u64 *sn_pfx);
218
219#ifdef CONFIG_SECURITY_INFINIBAND
220void ib_security_release_port_pkey_list(struct ib_device *device);
221
222void ib_security_cache_change(struct ib_device *device,
223 u32 port_num,
224 u64 subnet_prefix);
225
226int ib_security_modify_qp(struct ib_qp *qp,
227 struct ib_qp_attr *qp_attr,
228 int qp_attr_mask,
229 struct ib_udata *udata);
230
231int ib_create_qp_security(struct ib_qp *qp, struct ib_device *dev);
232void ib_destroy_qp_security_begin(struct ib_qp_security *sec);
233void ib_destroy_qp_security_abort(struct ib_qp_security *sec);
234void ib_destroy_qp_security_end(struct ib_qp_security *sec);
235int ib_open_shared_qp_security(struct ib_qp *qp, struct ib_device *dev);
236void ib_close_shared_qp_security(struct ib_qp_security *sec);
237int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
238 enum ib_qp_type qp_type);
239void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent);
240int ib_mad_enforce_security(struct ib_mad_agent_private *map, u16 pkey_index);
241void ib_mad_agent_security_change(void);
242#else
243static inline void ib_security_release_port_pkey_list(struct ib_device *device)
244{
245}
246
247static inline void ib_security_cache_change(struct ib_device *device,
248 u32 port_num,
249 u64 subnet_prefix)
250{
251}
252
253static inline int ib_security_modify_qp(struct ib_qp *qp,
254 struct ib_qp_attr *qp_attr,
255 int qp_attr_mask,
256 struct ib_udata *udata)
257{
258 return qp->device->ops.modify_qp(qp->real_qp,
259 qp_attr,
260 qp_attr_mask,
261 udata);
262}
263
264static inline int ib_create_qp_security(struct ib_qp *qp,
265 struct ib_device *dev)
266{
267 return 0;
268}
269
270static inline void ib_destroy_qp_security_begin(struct ib_qp_security *sec)
271{
272}
273
274static inline void ib_destroy_qp_security_abort(struct ib_qp_security *sec)
275{
276}
277
278static inline void ib_destroy_qp_security_end(struct ib_qp_security *sec)
279{
280}
281
282static inline int ib_open_shared_qp_security(struct ib_qp *qp,
283 struct ib_device *dev)
284{
285 return 0;
286}
287
288static inline void ib_close_shared_qp_security(struct ib_qp_security *sec)
289{
290}
291
292static inline int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
293 enum ib_qp_type qp_type)
294{
295 return 0;
296}
297
298static inline void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)
299{
300}
301
302static inline int ib_mad_enforce_security(struct ib_mad_agent_private *map,
303 u16 pkey_index)
304{
305 return 0;
306}
307
308static inline void ib_mad_agent_security_change(void)
309{
310}
311#endif
312
313struct ib_device *ib_device_get_by_index(const struct net *net, u32 index);
314
315/* RDMA device netlink */
316void nldev_init(void);
317void nldev_exit(void);
318
319struct ib_qp *ib_create_qp_user(struct ib_device *dev, struct ib_pd *pd,
320 struct ib_qp_init_attr *attr,
321 struct ib_udata *udata,
322 struct ib_uqp_object *uobj, const char *caller);
323
324void ib_qp_usecnt_inc(struct ib_qp *qp);
325void ib_qp_usecnt_dec(struct ib_qp *qp);
326
327struct rdma_dev_addr;
328int rdma_resolve_ip_route(struct sockaddr *src_addr,
329 const struct sockaddr *dst_addr,
330 struct rdma_dev_addr *addr);
331
332int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid,
333 const union ib_gid *dgid,
334 u8 *dmac, const struct ib_gid_attr *sgid_attr,
335 int *hoplimit);
336void rdma_copy_src_l2_addr(struct rdma_dev_addr *dev_addr,
337 const struct net_device *dev);
338
339struct sa_path_rec;
340int roce_resolve_route_from_path(struct sa_path_rec *rec,
341 const struct ib_gid_attr *attr);
342
343struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr);
344
345void ib_free_port_attrs(struct ib_core_device *coredev);
346int ib_setup_port_attrs(struct ib_core_device *coredev);
347struct rdma_hw_stats *ib_get_hw_stats_port(struct ib_device *ibdev, u32 port_num);
348void ib_device_release_hw_stats(struct hw_stats_device_data *data);
349int ib_setup_device_attrs(struct ib_device *ibdev);
350
351int rdma_compatdev_set(u8 enable);
352
353int ib_port_register_client_groups(struct ib_device *ibdev, u32 port_num,
354 const struct attribute_group **groups);
355void ib_port_unregister_client_groups(struct ib_device *ibdev, u32 port_num,
356 const struct attribute_group **groups);
357
358int ib_device_set_netns_put(struct sk_buff *skb,
359 struct ib_device *dev, u32 ns_fd);
360
361int rdma_nl_net_init(struct rdma_dev_net *rnet);
362void rdma_nl_net_exit(struct rdma_dev_net *rnet);
363
364struct rdma_umap_priv {
365 struct vm_area_struct *vma;
366 struct list_head list;
367 struct rdma_user_mmap_entry *entry;
368};
369
370void rdma_umap_priv_init(struct rdma_umap_priv *priv,
371 struct vm_area_struct *vma,
372 struct rdma_user_mmap_entry *entry);
373
374void ib_cq_pool_cleanup(struct ib_device *dev);
375
376bool rdma_nl_get_privileged_qkey(void);
377#endif /* _CORE_PRIV_H */
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#include <linux/cgroup_rdma.h>
39#include <net/net_namespace.h>
40#include <net/netns/generic.h>
41
42#include <rdma/ib_verbs.h>
43#include <rdma/opa_addr.h>
44#include <rdma/ib_mad.h>
45#include <rdma/restrack.h>
46#include "mad_priv.h"
47
48/* Total number of ports combined across all struct ib_devices's */
49#define RDMA_MAX_PORTS 8192
50
51struct pkey_index_qp_list {
52 struct list_head pkey_index_list;
53 u16 pkey_index;
54 /* Lock to hold while iterating the qp_list. */
55 spinlock_t qp_list_lock;
56 struct list_head qp_list;
57};
58
59/**
60 * struct rdma_dev_net - rdma net namespace metadata for a net
61 * @nl_sock: Pointer to netlink socket
62 * @net: Pointer to owner net namespace
63 * @id: xarray id to identify the net namespace.
64 */
65struct rdma_dev_net {
66 struct sock *nl_sock;
67 possible_net_t net;
68 u32 id;
69};
70
71extern const struct attribute_group ib_dev_attr_group;
72extern bool ib_devices_shared_netns;
73extern unsigned int rdma_dev_net_id;
74
75static inline struct rdma_dev_net *rdma_net_to_dev_net(struct net *net)
76{
77 return net_generic(net, rdma_dev_net_id);
78}
79
80int ib_device_register_sysfs(struct ib_device *device);
81void ib_device_unregister_sysfs(struct ib_device *device);
82int ib_device_rename(struct ib_device *ibdev, const char *name);
83int ib_device_set_dim(struct ib_device *ibdev, u8 use_dim);
84
85typedef void (*roce_netdev_callback)(struct ib_device *device, u8 port,
86 struct net_device *idev, void *cookie);
87
88typedef bool (*roce_netdev_filter)(struct ib_device *device, u8 port,
89 struct net_device *idev, void *cookie);
90
91struct net_device *ib_device_get_netdev(struct ib_device *ib_dev,
92 unsigned int port);
93
94void ib_enum_roce_netdev(struct ib_device *ib_dev,
95 roce_netdev_filter filter,
96 void *filter_cookie,
97 roce_netdev_callback cb,
98 void *cookie);
99void ib_enum_all_roce_netdevs(roce_netdev_filter filter,
100 void *filter_cookie,
101 roce_netdev_callback cb,
102 void *cookie);
103
104typedef int (*nldev_callback)(struct ib_device *device,
105 struct sk_buff *skb,
106 struct netlink_callback *cb,
107 unsigned int idx);
108
109int ib_enum_all_devs(nldev_callback nldev_cb, struct sk_buff *skb,
110 struct netlink_callback *cb);
111
112struct ib_client_nl_info {
113 struct sk_buff *nl_msg;
114 struct device *cdev;
115 unsigned int port;
116 u64 abi;
117};
118int ib_get_client_nl_info(struct ib_device *ibdev, const char *client_name,
119 struct ib_client_nl_info *res);
120
121enum ib_cache_gid_default_mode {
122 IB_CACHE_GID_DEFAULT_MODE_SET,
123 IB_CACHE_GID_DEFAULT_MODE_DELETE
124};
125
126int ib_cache_gid_parse_type_str(const char *buf);
127
128const char *ib_cache_gid_type_str(enum ib_gid_type gid_type);
129
130void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port,
131 struct net_device *ndev,
132 unsigned long gid_type_mask,
133 enum ib_cache_gid_default_mode mode);
134
135int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
136 union ib_gid *gid, struct ib_gid_attr *attr);
137
138int ib_cache_gid_del(struct ib_device *ib_dev, u8 port,
139 union ib_gid *gid, struct ib_gid_attr *attr);
140
141int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
142 struct net_device *ndev);
143
144int roce_gid_mgmt_init(void);
145void roce_gid_mgmt_cleanup(void);
146
147unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);
148
149int ib_cache_setup_one(struct ib_device *device);
150void ib_cache_cleanup_one(struct ib_device *device);
151void ib_cache_release_one(struct ib_device *device);
152
153#ifdef CONFIG_CGROUP_RDMA
154void ib_device_register_rdmacg(struct ib_device *device);
155void ib_device_unregister_rdmacg(struct ib_device *device);
156
157int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
158 struct ib_device *device,
159 enum rdmacg_resource_type resource_index);
160
161void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
162 struct ib_device *device,
163 enum rdmacg_resource_type resource_index);
164#else
165static inline void ib_device_register_rdmacg(struct ib_device *device)
166{
167}
168
169static inline void ib_device_unregister_rdmacg(struct ib_device *device)
170{
171}
172
173static inline int ib_rdmacg_try_charge(struct ib_rdmacg_object *cg_obj,
174 struct ib_device *device,
175 enum rdmacg_resource_type resource_index)
176{
177 return 0;
178}
179
180static inline void ib_rdmacg_uncharge(struct ib_rdmacg_object *cg_obj,
181 struct ib_device *device,
182 enum rdmacg_resource_type resource_index)
183{
184}
185#endif
186
187static inline bool rdma_is_upper_dev_rcu(struct net_device *dev,
188 struct net_device *upper)
189{
190 return netdev_has_upper_dev_all_rcu(dev, upper);
191}
192
193int addr_init(void);
194void addr_cleanup(void);
195
196int ib_mad_init(void);
197void ib_mad_cleanup(void);
198
199int ib_sa_init(void);
200void ib_sa_cleanup(void);
201
202void rdma_nl_init(void);
203void rdma_nl_exit(void);
204
205int ib_nl_handle_resolve_resp(struct sk_buff *skb,
206 struct nlmsghdr *nlh,
207 struct netlink_ext_ack *extack);
208int ib_nl_handle_set_timeout(struct sk_buff *skb,
209 struct nlmsghdr *nlh,
210 struct netlink_ext_ack *extack);
211int ib_nl_handle_ip_res_resp(struct sk_buff *skb,
212 struct nlmsghdr *nlh,
213 struct netlink_ext_ack *extack);
214
215int ib_get_cached_subnet_prefix(struct ib_device *device,
216 u8 port_num,
217 u64 *sn_pfx);
218
219#ifdef CONFIG_SECURITY_INFINIBAND
220void ib_security_release_port_pkey_list(struct ib_device *device);
221
222void ib_security_cache_change(struct ib_device *device,
223 u8 port_num,
224 u64 subnet_prefix);
225
226int ib_security_modify_qp(struct ib_qp *qp,
227 struct ib_qp_attr *qp_attr,
228 int qp_attr_mask,
229 struct ib_udata *udata);
230
231int ib_create_qp_security(struct ib_qp *qp, struct ib_device *dev);
232void ib_destroy_qp_security_begin(struct ib_qp_security *sec);
233void ib_destroy_qp_security_abort(struct ib_qp_security *sec);
234void ib_destroy_qp_security_end(struct ib_qp_security *sec);
235int ib_open_shared_qp_security(struct ib_qp *qp, struct ib_device *dev);
236void ib_close_shared_qp_security(struct ib_qp_security *sec);
237int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
238 enum ib_qp_type qp_type);
239void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent);
240int ib_mad_enforce_security(struct ib_mad_agent_private *map, u16 pkey_index);
241void ib_mad_agent_security_change(void);
242#else
243static inline void ib_security_release_port_pkey_list(struct ib_device *device)
244{
245}
246
247static inline void ib_security_cache_change(struct ib_device *device,
248 u8 port_num,
249 u64 subnet_prefix)
250{
251}
252
253static inline int ib_security_modify_qp(struct ib_qp *qp,
254 struct ib_qp_attr *qp_attr,
255 int qp_attr_mask,
256 struct ib_udata *udata)
257{
258 return qp->device->ops.modify_qp(qp->real_qp,
259 qp_attr,
260 qp_attr_mask,
261 udata);
262}
263
264static inline int ib_create_qp_security(struct ib_qp *qp,
265 struct ib_device *dev)
266{
267 return 0;
268}
269
270static inline void ib_destroy_qp_security_begin(struct ib_qp_security *sec)
271{
272}
273
274static inline void ib_destroy_qp_security_abort(struct ib_qp_security *sec)
275{
276}
277
278static inline void ib_destroy_qp_security_end(struct ib_qp_security *sec)
279{
280}
281
282static inline int ib_open_shared_qp_security(struct ib_qp *qp,
283 struct ib_device *dev)
284{
285 return 0;
286}
287
288static inline void ib_close_shared_qp_security(struct ib_qp_security *sec)
289{
290}
291
292static inline int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
293 enum ib_qp_type qp_type)
294{
295 return 0;
296}
297
298static inline void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)
299{
300}
301
302static inline int ib_mad_enforce_security(struct ib_mad_agent_private *map,
303 u16 pkey_index)
304{
305 return 0;
306}
307
308static inline void ib_mad_agent_security_change(void)
309{
310}
311#endif
312
313struct ib_device *ib_device_get_by_index(const struct net *net, u32 index);
314
315/* RDMA device netlink */
316void nldev_init(void);
317void nldev_exit(void);
318
319static inline struct ib_qp *_ib_create_qp(struct ib_device *dev,
320 struct ib_pd *pd,
321 struct ib_qp_init_attr *attr,
322 struct ib_udata *udata,
323 struct ib_uobject *uobj)
324{
325 enum ib_qp_type qp_type = attr->qp_type;
326 struct ib_qp *qp;
327 bool is_xrc;
328
329 if (!dev->ops.create_qp)
330 return ERR_PTR(-EOPNOTSUPP);
331
332 qp = dev->ops.create_qp(pd, attr, udata);
333 if (IS_ERR(qp))
334 return qp;
335
336 qp->device = dev;
337 qp->pd = pd;
338 qp->uobject = uobj;
339 qp->real_qp = qp;
340 /*
341 * We don't track XRC QPs for now, because they don't have PD
342 * and more importantly they are created internaly by driver,
343 * see mlx5 create_dev_resources() as an example.
344 */
345 is_xrc = qp_type == IB_QPT_XRC_INI || qp_type == IB_QPT_XRC_TGT;
346 if ((qp_type < IB_QPT_MAX && !is_xrc) || qp_type == IB_QPT_DRIVER) {
347 qp->res.type = RDMA_RESTRACK_QP;
348 if (uobj)
349 rdma_restrack_uadd(&qp->res);
350 else
351 rdma_restrack_kadd(&qp->res);
352 } else
353 qp->res.valid = false;
354
355 return qp;
356}
357
358struct rdma_dev_addr;
359int rdma_resolve_ip_route(struct sockaddr *src_addr,
360 const struct sockaddr *dst_addr,
361 struct rdma_dev_addr *addr);
362
363int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid,
364 const union ib_gid *dgid,
365 u8 *dmac, const struct ib_gid_attr *sgid_attr,
366 int *hoplimit);
367void rdma_copy_src_l2_addr(struct rdma_dev_addr *dev_addr,
368 const struct net_device *dev);
369
370struct sa_path_rec;
371int roce_resolve_route_from_path(struct sa_path_rec *rec,
372 const struct ib_gid_attr *attr);
373
374struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr);
375
376void ib_free_port_attrs(struct ib_core_device *coredev);
377int ib_setup_port_attrs(struct ib_core_device *coredev);
378
379int rdma_compatdev_set(u8 enable);
380
381int ib_port_register_module_stat(struct ib_device *device, u8 port_num,
382 struct kobject *kobj, struct kobj_type *ktype,
383 const char *name);
384void ib_port_unregister_module_stat(struct kobject *kobj);
385
386int ib_device_set_netns_put(struct sk_buff *skb,
387 struct ib_device *dev, u32 ns_fd);
388
389int rdma_nl_net_init(struct rdma_dev_net *rnet);
390void rdma_nl_net_exit(struct rdma_dev_net *rnet);
391#endif /* _CORE_PRIV_H */