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1/*
2 * Copyright (C) 2017 Netronome Systems, Inc.
3 *
4 * This software is dual licensed under the GNU General License Version 2,
5 * June 1991 as shown in the file COPYING in the top-level directory of this
6 * source tree or the BSD 2-Clause License provided below. You have the
7 * option to license this software under the complete terms of either license.
8 *
9 * The BSD 2-Clause License:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * 1. Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * 2. Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34#ifndef _NFP_APP_H
35#define _NFP_APP_H 1
36
37#include <net/devlink.h>
38
39#include <trace/events/devlink.h>
40
41#include "nfp_net_repr.h"
42
43struct bpf_prog;
44struct net_device;
45struct netdev_bpf;
46struct netlink_ext_ack;
47struct pci_dev;
48struct sk_buff;
49struct sk_buff;
50struct nfp_app;
51struct nfp_cpp;
52struct nfp_pf;
53struct nfp_repr;
54struct nfp_net;
55
56enum nfp_app_id {
57 NFP_APP_CORE_NIC = 0x1,
58 NFP_APP_BPF_NIC = 0x2,
59 NFP_APP_FLOWER_NIC = 0x3,
60};
61
62extern const struct nfp_app_type app_nic;
63extern const struct nfp_app_type app_bpf;
64extern const struct nfp_app_type app_flower;
65
66/**
67 * struct nfp_app_type - application definition
68 * @id: application ID
69 * @name: application name
70 * @ctrl_cap_mask: ctrl vNIC capability mask, allows disabling features like
71 * IRQMOD which are on by default but counter-productive for
72 * control messages which are often latency-sensitive
73 * @ctrl_has_meta: control messages have prepend of type:5/port:CTRL
74 *
75 * Callbacks
76 * @init: perform basic app checks and init
77 * @clean: clean app state
78 * @extra_cap: extra capabilities string
79 * @vnic_alloc: allocate vNICs (assign port types, etc.)
80 * @vnic_free: free up app's vNIC state
81 * @vnic_init: vNIC netdev was registered
82 * @vnic_clean: vNIC netdev about to be unregistered
83 * @repr_init: representor about to be registered
84 * @repr_preclean: representor about to unregistered, executed before app
85 * reference to the it is removed
86 * @repr_clean: representor about to be unregistered
87 * @repr_open: representor netdev open callback
88 * @repr_stop: representor netdev stop callback
89 * @check_mtu: MTU change request on a netdev (verify it is valid)
90 * @repr_change_mtu: MTU change request on repr (make and verify change)
91 * @start: start application logic
92 * @stop: stop application logic
93 * @ctrl_msg_rx: control message handler
94 * @setup_tc: setup TC ndo
95 * @bpf: BPF ndo offload-related calls
96 * @xdp_offload: offload an XDP program
97 * @eswitch_mode_get: get SR-IOV eswitch mode
98 * @sriov_enable: app-specific sriov initialisation
99 * @sriov_disable: app-specific sriov clean-up
100 * @repr_get: get representor netdev
101 */
102struct nfp_app_type {
103 enum nfp_app_id id;
104 const char *name;
105
106 u32 ctrl_cap_mask;
107 bool ctrl_has_meta;
108
109 int (*init)(struct nfp_app *app);
110 void (*clean)(struct nfp_app *app);
111
112 const char *(*extra_cap)(struct nfp_app *app, struct nfp_net *nn);
113
114 int (*vnic_alloc)(struct nfp_app *app, struct nfp_net *nn,
115 unsigned int id);
116 void (*vnic_free)(struct nfp_app *app, struct nfp_net *nn);
117 int (*vnic_init)(struct nfp_app *app, struct nfp_net *nn);
118 void (*vnic_clean)(struct nfp_app *app, struct nfp_net *nn);
119
120 int (*repr_init)(struct nfp_app *app, struct net_device *netdev);
121 void (*repr_preclean)(struct nfp_app *app, struct net_device *netdev);
122 void (*repr_clean)(struct nfp_app *app, struct net_device *netdev);
123
124 int (*repr_open)(struct nfp_app *app, struct nfp_repr *repr);
125 int (*repr_stop)(struct nfp_app *app, struct nfp_repr *repr);
126
127 int (*check_mtu)(struct nfp_app *app, struct net_device *netdev,
128 int new_mtu);
129 int (*repr_change_mtu)(struct nfp_app *app, struct net_device *netdev,
130 int new_mtu);
131
132 int (*start)(struct nfp_app *app);
133 void (*stop)(struct nfp_app *app);
134
135 void (*ctrl_msg_rx)(struct nfp_app *app, struct sk_buff *skb);
136
137 int (*setup_tc)(struct nfp_app *app, struct net_device *netdev,
138 enum tc_setup_type type, void *type_data);
139 int (*bpf)(struct nfp_app *app, struct nfp_net *nn,
140 struct netdev_bpf *xdp);
141 int (*xdp_offload)(struct nfp_app *app, struct nfp_net *nn,
142 struct bpf_prog *prog,
143 struct netlink_ext_ack *extack);
144
145 int (*sriov_enable)(struct nfp_app *app, int num_vfs);
146 void (*sriov_disable)(struct nfp_app *app);
147
148 enum devlink_eswitch_mode (*eswitch_mode_get)(struct nfp_app *app);
149 struct net_device *(*repr_get)(struct nfp_app *app, u32 id);
150};
151
152/**
153 * struct nfp_app - NFP application container
154 * @pdev: backpointer to PCI device
155 * @pf: backpointer to NFP PF structure
156 * @cpp: pointer to the CPP handle
157 * @ctrl: pointer to ctrl vNIC struct
158 * @reprs: array of pointers to representors
159 * @type: pointer to const application ops and info
160 * @priv: app-specific priv data
161 */
162struct nfp_app {
163 struct pci_dev *pdev;
164 struct nfp_pf *pf;
165 struct nfp_cpp *cpp;
166
167 struct nfp_net *ctrl;
168 struct nfp_reprs __rcu *reprs[NFP_REPR_TYPE_MAX + 1];
169
170 const struct nfp_app_type *type;
171 void *priv;
172};
173
174bool __nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
175bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
176
177static inline int nfp_app_init(struct nfp_app *app)
178{
179 if (!app->type->init)
180 return 0;
181 return app->type->init(app);
182}
183
184static inline void nfp_app_clean(struct nfp_app *app)
185{
186 if (app->type->clean)
187 app->type->clean(app);
188}
189
190static inline int nfp_app_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
191 unsigned int id)
192{
193 return app->type->vnic_alloc(app, nn, id);
194}
195
196static inline void nfp_app_vnic_free(struct nfp_app *app, struct nfp_net *nn)
197{
198 if (app->type->vnic_free)
199 app->type->vnic_free(app, nn);
200}
201
202static inline int nfp_app_vnic_init(struct nfp_app *app, struct nfp_net *nn)
203{
204 if (!app->type->vnic_init)
205 return 0;
206 return app->type->vnic_init(app, nn);
207}
208
209static inline void nfp_app_vnic_clean(struct nfp_app *app, struct nfp_net *nn)
210{
211 if (app->type->vnic_clean)
212 app->type->vnic_clean(app, nn);
213}
214
215static inline int nfp_app_repr_open(struct nfp_app *app, struct nfp_repr *repr)
216{
217 if (!app->type->repr_open)
218 return -EINVAL;
219 return app->type->repr_open(app, repr);
220}
221
222static inline int nfp_app_repr_stop(struct nfp_app *app, struct nfp_repr *repr)
223{
224 if (!app->type->repr_stop)
225 return -EINVAL;
226 return app->type->repr_stop(app, repr);
227}
228
229static inline int
230nfp_app_repr_init(struct nfp_app *app, struct net_device *netdev)
231{
232 if (!app->type->repr_init)
233 return 0;
234 return app->type->repr_init(app, netdev);
235}
236
237static inline void
238nfp_app_repr_preclean(struct nfp_app *app, struct net_device *netdev)
239{
240 if (app->type->repr_preclean)
241 app->type->repr_preclean(app, netdev);
242}
243
244static inline void
245nfp_app_repr_clean(struct nfp_app *app, struct net_device *netdev)
246{
247 if (app->type->repr_clean)
248 app->type->repr_clean(app, netdev);
249}
250
251static inline int
252nfp_app_check_mtu(struct nfp_app *app, struct net_device *netdev, int new_mtu)
253{
254 if (!app || !app->type->check_mtu)
255 return 0;
256 return app->type->check_mtu(app, netdev, new_mtu);
257}
258
259static inline int
260nfp_app_repr_change_mtu(struct nfp_app *app, struct net_device *netdev,
261 int new_mtu)
262{
263 if (!app || !app->type->repr_change_mtu)
264 return 0;
265 return app->type->repr_change_mtu(app, netdev, new_mtu);
266}
267
268static inline int nfp_app_start(struct nfp_app *app, struct nfp_net *ctrl)
269{
270 app->ctrl = ctrl;
271 if (!app->type->start)
272 return 0;
273 return app->type->start(app);
274}
275
276static inline void nfp_app_stop(struct nfp_app *app)
277{
278 if (!app->type->stop)
279 return;
280 app->type->stop(app);
281}
282
283static inline const char *nfp_app_name(struct nfp_app *app)
284{
285 if (!app)
286 return "";
287 return app->type->name;
288}
289
290static inline bool nfp_app_needs_ctrl_vnic(struct nfp_app *app)
291{
292 return app && app->type->ctrl_msg_rx;
293}
294
295static inline bool nfp_app_ctrl_has_meta(struct nfp_app *app)
296{
297 return app->type->ctrl_has_meta;
298}
299
300static inline const char *nfp_app_extra_cap(struct nfp_app *app,
301 struct nfp_net *nn)
302{
303 if (!app || !app->type->extra_cap)
304 return "";
305 return app->type->extra_cap(app, nn);
306}
307
308static inline bool nfp_app_has_tc(struct nfp_app *app)
309{
310 return app && app->type->setup_tc;
311}
312
313static inline int nfp_app_setup_tc(struct nfp_app *app,
314 struct net_device *netdev,
315 enum tc_setup_type type, void *type_data)
316{
317 if (!app || !app->type->setup_tc)
318 return -EOPNOTSUPP;
319 return app->type->setup_tc(app, netdev, type, type_data);
320}
321
322static inline int nfp_app_bpf(struct nfp_app *app, struct nfp_net *nn,
323 struct netdev_bpf *bpf)
324{
325 if (!app || !app->type->bpf)
326 return -EINVAL;
327 return app->type->bpf(app, nn, bpf);
328}
329
330static inline int nfp_app_xdp_offload(struct nfp_app *app, struct nfp_net *nn,
331 struct bpf_prog *prog,
332 struct netlink_ext_ack *extack)
333{
334 if (!app || !app->type->xdp_offload)
335 return -EOPNOTSUPP;
336 return app->type->xdp_offload(app, nn, prog, extack);
337}
338
339static inline bool __nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb)
340{
341 trace_devlink_hwmsg(priv_to_devlink(app->pf), false, 0,
342 skb->data, skb->len);
343
344 return __nfp_ctrl_tx(app->ctrl, skb);
345}
346
347static inline bool nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb)
348{
349 trace_devlink_hwmsg(priv_to_devlink(app->pf), false, 0,
350 skb->data, skb->len);
351
352 return nfp_ctrl_tx(app->ctrl, skb);
353}
354
355static inline void nfp_app_ctrl_rx(struct nfp_app *app, struct sk_buff *skb)
356{
357 trace_devlink_hwmsg(priv_to_devlink(app->pf), true, 0,
358 skb->data, skb->len);
359
360 app->type->ctrl_msg_rx(app, skb);
361}
362
363static inline int nfp_app_eswitch_mode_get(struct nfp_app *app, u16 *mode)
364{
365 if (!app->type->eswitch_mode_get)
366 return -EOPNOTSUPP;
367
368 *mode = app->type->eswitch_mode_get(app);
369
370 return 0;
371}
372
373static inline int nfp_app_sriov_enable(struct nfp_app *app, int num_vfs)
374{
375 if (!app || !app->type->sriov_enable)
376 return -EOPNOTSUPP;
377 return app->type->sriov_enable(app, num_vfs);
378}
379
380static inline void nfp_app_sriov_disable(struct nfp_app *app)
381{
382 if (app && app->type->sriov_disable)
383 app->type->sriov_disable(app);
384}
385
386static inline struct net_device *nfp_app_repr_get(struct nfp_app *app, u32 id)
387{
388 if (unlikely(!app || !app->type->repr_get))
389 return NULL;
390
391 return app->type->repr_get(app, id);
392}
393
394struct nfp_app *nfp_app_from_netdev(struct net_device *netdev);
395
396struct nfp_reprs *
397nfp_reprs_get_locked(struct nfp_app *app, enum nfp_repr_type type);
398struct nfp_reprs *
399nfp_app_reprs_set(struct nfp_app *app, enum nfp_repr_type type,
400 struct nfp_reprs *reprs);
401
402const char *nfp_app_mip_name(struct nfp_app *app);
403struct sk_buff *
404nfp_app_ctrl_msg_alloc(struct nfp_app *app, unsigned int size, gfp_t priority);
405
406struct nfp_app *nfp_app_alloc(struct nfp_pf *pf, enum nfp_app_id id);
407void nfp_app_free(struct nfp_app *app);
408
409/* Callbacks shared between apps */
410
411int nfp_app_nic_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
412 unsigned int id);
413
414#endif
1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
2/* Copyright (C) 2017-2018 Netronome Systems, Inc. */
3
4#ifndef _NFP_APP_H
5#define _NFP_APP_H 1
6
7#include <net/devlink.h>
8
9#include <trace/events/devlink.h>
10
11#include "nfp_net_repr.h"
12
13#define NFP_APP_CTRL_MTU_MAX U32_MAX
14
15struct bpf_prog;
16struct net_device;
17struct netdev_bpf;
18struct netlink_ext_ack;
19struct pci_dev;
20struct sk_buff;
21struct nfp_app;
22struct nfp_cpp;
23struct nfp_pf;
24struct nfp_repr;
25struct nfp_net;
26
27enum nfp_app_id {
28 NFP_APP_CORE_NIC = 0x1,
29 NFP_APP_BPF_NIC = 0x2,
30 NFP_APP_FLOWER_NIC = 0x3,
31 NFP_APP_ACTIVE_BUFFER_MGMT_NIC = 0x4,
32};
33
34extern const struct nfp_app_type app_nic;
35extern const struct nfp_app_type app_bpf;
36extern const struct nfp_app_type app_flower;
37extern const struct nfp_app_type app_abm;
38
39/**
40 * struct nfp_app_type - application definition
41 * @id: application ID
42 * @name: application name
43 * @ctrl_cap_mask: ctrl vNIC capability mask, allows disabling features like
44 * IRQMOD which are on by default but counter-productive for
45 * control messages which are often latency-sensitive
46 * @ctrl_has_meta: control messages have prepend of type:5/port:CTRL
47 *
48 * Callbacks
49 * @init: perform basic app checks and init
50 * @clean: clean app state
51 * @extra_cap: extra capabilities string
52 * @ndo_init: vNIC and repr netdev .ndo_init
53 * @ndo_uninit: vNIC and repr netdev .ndo_unint
54 * @vnic_alloc: allocate vNICs (assign port types, etc.)
55 * @vnic_free: free up app's vNIC state
56 * @vnic_init: vNIC netdev was registered
57 * @vnic_clean: vNIC netdev about to be unregistered
58 * @repr_init: representor about to be registered
59 * @repr_preclean: representor about to unregistered, executed before app
60 * reference to the it is removed
61 * @repr_clean: representor about to be unregistered
62 * @repr_open: representor netdev open callback
63 * @repr_stop: representor netdev stop callback
64 * @check_mtu: MTU change request on a netdev (verify it is valid)
65 * @repr_change_mtu: MTU change request on repr (make and verify change)
66 * @port_get_stats: get extra ethtool statistics for a port
67 * @port_get_stats_count: get count of extra statistics for a port
68 * @port_get_stats_strings: get strings for extra statistics
69 * @start: start application logic
70 * @stop: stop application logic
71 * @netdev_event: Netdevice notifier event
72 * @ctrl_msg_rx: control message handler
73 * @ctrl_msg_rx_raw: handler for control messages from data queues
74 * @setup_tc: setup TC ndo
75 * @bpf: BPF ndo offload-related calls
76 * @xdp_offload: offload an XDP program
77 * @eswitch_mode_get: get SR-IOV eswitch mode
78 * @eswitch_mode_set: set SR-IOV eswitch mode
79 * @sriov_enable: app-specific sriov initialisation
80 * @sriov_disable: app-specific sriov clean-up
81 * @dev_get: get representor or internal port representing netdev
82 */
83struct nfp_app_type {
84 enum nfp_app_id id;
85 const char *name;
86
87 u32 ctrl_cap_mask;
88 bool ctrl_has_meta;
89
90 int (*init)(struct nfp_app *app);
91 void (*clean)(struct nfp_app *app);
92
93 const char *(*extra_cap)(struct nfp_app *app, struct nfp_net *nn);
94
95 int (*ndo_init)(struct nfp_app *app, struct net_device *netdev);
96 void (*ndo_uninit)(struct nfp_app *app, struct net_device *netdev);
97
98 int (*vnic_alloc)(struct nfp_app *app, struct nfp_net *nn,
99 unsigned int id);
100 void (*vnic_free)(struct nfp_app *app, struct nfp_net *nn);
101 int (*vnic_init)(struct nfp_app *app, struct nfp_net *nn);
102 void (*vnic_clean)(struct nfp_app *app, struct nfp_net *nn);
103
104 int (*repr_init)(struct nfp_app *app, struct net_device *netdev);
105 void (*repr_preclean)(struct nfp_app *app, struct net_device *netdev);
106 void (*repr_clean)(struct nfp_app *app, struct net_device *netdev);
107
108 int (*repr_open)(struct nfp_app *app, struct nfp_repr *repr);
109 int (*repr_stop)(struct nfp_app *app, struct nfp_repr *repr);
110
111 int (*check_mtu)(struct nfp_app *app, struct net_device *netdev,
112 int new_mtu);
113 int (*repr_change_mtu)(struct nfp_app *app, struct net_device *netdev,
114 int new_mtu);
115
116 u64 *(*port_get_stats)(struct nfp_app *app,
117 struct nfp_port *port, u64 *data);
118 int (*port_get_stats_count)(struct nfp_app *app, struct nfp_port *port);
119 u8 *(*port_get_stats_strings)(struct nfp_app *app,
120 struct nfp_port *port, u8 *data);
121
122 int (*start)(struct nfp_app *app);
123 void (*stop)(struct nfp_app *app);
124
125 int (*netdev_event)(struct nfp_app *app, struct net_device *netdev,
126 unsigned long event, void *ptr);
127
128 void (*ctrl_msg_rx)(struct nfp_app *app, struct sk_buff *skb);
129 void (*ctrl_msg_rx_raw)(struct nfp_app *app, const void *data,
130 unsigned int len);
131
132 int (*setup_tc)(struct nfp_app *app, struct net_device *netdev,
133 enum tc_setup_type type, void *type_data);
134 int (*bpf)(struct nfp_app *app, struct nfp_net *nn,
135 struct netdev_bpf *xdp);
136 int (*xdp_offload)(struct nfp_app *app, struct nfp_net *nn,
137 struct bpf_prog *prog,
138 struct netlink_ext_ack *extack);
139
140 int (*sriov_enable)(struct nfp_app *app, int num_vfs);
141 void (*sriov_disable)(struct nfp_app *app);
142
143 enum devlink_eswitch_mode (*eswitch_mode_get)(struct nfp_app *app);
144 int (*eswitch_mode_set)(struct nfp_app *app, u16 mode);
145 struct net_device *(*dev_get)(struct nfp_app *app, u32 id,
146 bool *redir_egress);
147};
148
149/**
150 * struct nfp_app - NFP application container
151 * @pdev: backpointer to PCI device
152 * @pf: backpointer to NFP PF structure
153 * @cpp: pointer to the CPP handle
154 * @ctrl: pointer to ctrl vNIC struct
155 * @reprs: array of pointers to representors
156 * @type: pointer to const application ops and info
157 * @ctrl_mtu: MTU to set on the control vNIC (set in .init())
158 * @netdev_nb: Netdevice notifier block
159 * @priv: app-specific priv data
160 */
161struct nfp_app {
162 struct pci_dev *pdev;
163 struct nfp_pf *pf;
164 struct nfp_cpp *cpp;
165
166 struct nfp_net *ctrl;
167 struct nfp_reprs __rcu *reprs[NFP_REPR_TYPE_MAX + 1];
168
169 const struct nfp_app_type *type;
170 unsigned int ctrl_mtu;
171
172 struct notifier_block netdev_nb;
173
174 void *priv;
175};
176
177static inline void assert_nfp_app_locked(struct nfp_app *app)
178{
179 devl_assert_locked(priv_to_devlink(app->pf));
180}
181
182static inline bool nfp_app_is_locked(struct nfp_app *app)
183{
184 return devl_lock_is_held(priv_to_devlink(app->pf));
185}
186
187void nfp_check_rhashtable_empty(void *ptr, void *arg);
188bool __nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
189bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
190
191static inline int nfp_app_init(struct nfp_app *app)
192{
193 if (!app->type->init)
194 return 0;
195 return app->type->init(app);
196}
197
198static inline void nfp_app_clean(struct nfp_app *app)
199{
200 if (app->type->clean)
201 app->type->clean(app);
202}
203
204int nfp_app_ndo_init(struct net_device *netdev);
205void nfp_app_ndo_uninit(struct net_device *netdev);
206
207static inline int nfp_app_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
208 unsigned int id)
209{
210 return app->type->vnic_alloc(app, nn, id);
211}
212
213static inline void nfp_app_vnic_free(struct nfp_app *app, struct nfp_net *nn)
214{
215 if (app->type->vnic_free)
216 app->type->vnic_free(app, nn);
217}
218
219static inline int nfp_app_vnic_init(struct nfp_app *app, struct nfp_net *nn)
220{
221 if (!app->type->vnic_init)
222 return 0;
223 return app->type->vnic_init(app, nn);
224}
225
226static inline void nfp_app_vnic_clean(struct nfp_app *app, struct nfp_net *nn)
227{
228 if (app->type->vnic_clean)
229 app->type->vnic_clean(app, nn);
230}
231
232static inline int nfp_app_repr_open(struct nfp_app *app, struct nfp_repr *repr)
233{
234 if (!app->type->repr_open)
235 return -EINVAL;
236 return app->type->repr_open(app, repr);
237}
238
239static inline int nfp_app_repr_stop(struct nfp_app *app, struct nfp_repr *repr)
240{
241 if (!app->type->repr_stop)
242 return -EINVAL;
243 return app->type->repr_stop(app, repr);
244}
245
246static inline int
247nfp_app_repr_init(struct nfp_app *app, struct net_device *netdev)
248{
249 if (!app->type->repr_init)
250 return 0;
251 return app->type->repr_init(app, netdev);
252}
253
254static inline void
255nfp_app_repr_preclean(struct nfp_app *app, struct net_device *netdev)
256{
257 if (app->type->repr_preclean)
258 app->type->repr_preclean(app, netdev);
259}
260
261static inline void
262nfp_app_repr_clean(struct nfp_app *app, struct net_device *netdev)
263{
264 if (app->type->repr_clean)
265 app->type->repr_clean(app, netdev);
266}
267
268static inline int
269nfp_app_check_mtu(struct nfp_app *app, struct net_device *netdev, int new_mtu)
270{
271 if (!app || !app->type->check_mtu)
272 return 0;
273 return app->type->check_mtu(app, netdev, new_mtu);
274}
275
276static inline int
277nfp_app_repr_change_mtu(struct nfp_app *app, struct net_device *netdev,
278 int new_mtu)
279{
280 if (!app || !app->type->repr_change_mtu)
281 return 0;
282 return app->type->repr_change_mtu(app, netdev, new_mtu);
283}
284
285static inline const char *nfp_app_name(struct nfp_app *app)
286{
287 if (!app)
288 return "";
289 return app->type->name;
290}
291
292static inline bool nfp_app_needs_ctrl_vnic(struct nfp_app *app)
293{
294 return app && app->type->ctrl_msg_rx;
295}
296
297static inline bool nfp_app_ctrl_has_meta(struct nfp_app *app)
298{
299 return app->type->ctrl_has_meta;
300}
301
302static inline bool nfp_app_ctrl_uses_data_vnics(struct nfp_app *app)
303{
304 return app && app->type->ctrl_msg_rx_raw;
305}
306
307static inline const char *nfp_app_extra_cap(struct nfp_app *app,
308 struct nfp_net *nn)
309{
310 if (!app || !app->type->extra_cap)
311 return "";
312 return app->type->extra_cap(app, nn);
313}
314
315static inline bool nfp_app_has_tc(struct nfp_app *app)
316{
317 return app && app->type->setup_tc;
318}
319
320static inline int nfp_app_setup_tc(struct nfp_app *app,
321 struct net_device *netdev,
322 enum tc_setup_type type, void *type_data)
323{
324 if (!app || !app->type->setup_tc)
325 return -EOPNOTSUPP;
326 return app->type->setup_tc(app, netdev, type, type_data);
327}
328
329static inline int nfp_app_bpf(struct nfp_app *app, struct nfp_net *nn,
330 struct netdev_bpf *bpf)
331{
332 if (!app || !app->type->bpf)
333 return -EINVAL;
334 return app->type->bpf(app, nn, bpf);
335}
336
337static inline int nfp_app_xdp_offload(struct nfp_app *app, struct nfp_net *nn,
338 struct bpf_prog *prog,
339 struct netlink_ext_ack *extack)
340{
341 if (!app || !app->type->xdp_offload)
342 return -EOPNOTSUPP;
343 return app->type->xdp_offload(app, nn, prog, extack);
344}
345
346static inline bool __nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb)
347{
348 trace_devlink_hwmsg(priv_to_devlink(app->pf), false, 0,
349 skb->data, skb->len);
350
351 return __nfp_ctrl_tx(app->ctrl, skb);
352}
353
354static inline bool nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb)
355{
356 trace_devlink_hwmsg(priv_to_devlink(app->pf), false, 0,
357 skb->data, skb->len);
358
359 return nfp_ctrl_tx(app->ctrl, skb);
360}
361
362static inline void nfp_app_ctrl_rx(struct nfp_app *app, struct sk_buff *skb)
363{
364 trace_devlink_hwmsg(priv_to_devlink(app->pf), true, 0,
365 skb->data, skb->len);
366
367 app->type->ctrl_msg_rx(app, skb);
368}
369
370static inline void
371nfp_app_ctrl_rx_raw(struct nfp_app *app, const void *data, unsigned int len)
372{
373 if (!app || !app->type->ctrl_msg_rx_raw)
374 return;
375
376 trace_devlink_hwmsg(priv_to_devlink(app->pf), true, 0, data, len);
377 app->type->ctrl_msg_rx_raw(app, data, len);
378}
379
380static inline int nfp_app_eswitch_mode_get(struct nfp_app *app, u16 *mode)
381{
382 if (!app->type->eswitch_mode_get)
383 return -EOPNOTSUPP;
384
385 *mode = app->type->eswitch_mode_get(app);
386
387 return 0;
388}
389
390static inline int nfp_app_eswitch_mode_set(struct nfp_app *app, u16 mode)
391{
392 if (!app->type->eswitch_mode_set)
393 return -EOPNOTSUPP;
394 return app->type->eswitch_mode_set(app, mode);
395}
396
397static inline int nfp_app_sriov_enable(struct nfp_app *app, int num_vfs)
398{
399 if (!app || !app->type->sriov_enable)
400 return -EOPNOTSUPP;
401 return app->type->sriov_enable(app, num_vfs);
402}
403
404static inline void nfp_app_sriov_disable(struct nfp_app *app)
405{
406 if (app && app->type->sriov_disable)
407 app->type->sriov_disable(app);
408}
409
410static inline
411struct net_device *nfp_app_dev_get(struct nfp_app *app, u32 id,
412 bool *redir_egress)
413{
414 if (unlikely(!app || !app->type->dev_get))
415 return NULL;
416
417 return app->type->dev_get(app, id, redir_egress);
418}
419
420struct nfp_app *nfp_app_from_netdev(struct net_device *netdev);
421
422u64 *nfp_app_port_get_stats(struct nfp_port *port, u64 *data);
423int nfp_app_port_get_stats_count(struct nfp_port *port);
424u8 *nfp_app_port_get_stats_strings(struct nfp_port *port, u8 *data);
425
426struct nfp_reprs *
427nfp_reprs_get_locked(struct nfp_app *app, enum nfp_repr_type type);
428struct nfp_reprs *
429nfp_app_reprs_set(struct nfp_app *app, enum nfp_repr_type type,
430 struct nfp_reprs *reprs);
431
432const char *nfp_app_mip_name(struct nfp_app *app);
433struct sk_buff *
434nfp_app_ctrl_msg_alloc(struct nfp_app *app, unsigned int size, gfp_t priority);
435
436struct nfp_app *nfp_app_alloc(struct nfp_pf *pf, enum nfp_app_id id);
437void nfp_app_free(struct nfp_app *app);
438int nfp_app_start(struct nfp_app *app, struct nfp_net *ctrl);
439void nfp_app_stop(struct nfp_app *app);
440
441/* Callbacks shared between apps */
442
443int nfp_app_nic_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
444 unsigned int id);
445int nfp_app_nic_vnic_init_phy_port(struct nfp_pf *pf, struct nfp_app *app,
446 struct nfp_net *nn, unsigned int id);
447
448#endif