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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;
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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};
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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
177void nfp_check_rhashtable_empty(void *ptr, void *arg);
178bool __nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
179bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
180
181static inline int nfp_app_init(struct nfp_app *app)
182{
183 if (!app->type->init)
184 return 0;
185 return app->type->init(app);
186}
187
188static inline void nfp_app_clean(struct nfp_app *app)
189{
190 if (app->type->clean)
191 app->type->clean(app);
192}
193
194int nfp_app_ndo_init(struct net_device *netdev);
195void nfp_app_ndo_uninit(struct net_device *netdev);
196
197static inline int nfp_app_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
198 unsigned int id)
199{
200 return app->type->vnic_alloc(app, nn, id);
201}
202
203static inline void nfp_app_vnic_free(struct nfp_app *app, struct nfp_net *nn)
204{
205 if (app->type->vnic_free)
206 app->type->vnic_free(app, nn);
207}
208
209static inline int nfp_app_vnic_init(struct nfp_app *app, struct nfp_net *nn)
210{
211 if (!app->type->vnic_init)
212 return 0;
213 return app->type->vnic_init(app, nn);
214}
215
216static inline void nfp_app_vnic_clean(struct nfp_app *app, struct nfp_net *nn)
217{
218 if (app->type->vnic_clean)
219 app->type->vnic_clean(app, nn);
220}
221
222static inline int nfp_app_repr_open(struct nfp_app *app, struct nfp_repr *repr)
223{
224 if (!app->type->repr_open)
225 return -EINVAL;
226 return app->type->repr_open(app, repr);
227}
228
229static inline int nfp_app_repr_stop(struct nfp_app *app, struct nfp_repr *repr)
230{
231 if (!app->type->repr_stop)
232 return -EINVAL;
233 return app->type->repr_stop(app, repr);
234}
235
236static inline int
237nfp_app_repr_init(struct nfp_app *app, struct net_device *netdev)
238{
239 if (!app->type->repr_init)
240 return 0;
241 return app->type->repr_init(app, netdev);
242}
243
244static inline void
245nfp_app_repr_preclean(struct nfp_app *app, struct net_device *netdev)
246{
247 if (app->type->repr_preclean)
248 app->type->repr_preclean(app, netdev);
249}
250
251static inline void
252nfp_app_repr_clean(struct nfp_app *app, struct net_device *netdev)
253{
254 if (app->type->repr_clean)
255 app->type->repr_clean(app, netdev);
256}
257
258static inline int
259nfp_app_check_mtu(struct nfp_app *app, struct net_device *netdev, int new_mtu)
260{
261 if (!app || !app->type->check_mtu)
262 return 0;
263 return app->type->check_mtu(app, netdev, new_mtu);
264}
265
266static inline int
267nfp_app_repr_change_mtu(struct nfp_app *app, struct net_device *netdev,
268 int new_mtu)
269{
270 if (!app || !app->type->repr_change_mtu)
271 return 0;
272 return app->type->repr_change_mtu(app, netdev, new_mtu);
273}
274
275static inline const char *nfp_app_name(struct nfp_app *app)
276{
277 if (!app)
278 return "";
279 return app->type->name;
280}
281
282static inline bool nfp_app_needs_ctrl_vnic(struct nfp_app *app)
283{
284 return app && app->type->ctrl_msg_rx;
285}
286
287static inline bool nfp_app_ctrl_has_meta(struct nfp_app *app)
288{
289 return app->type->ctrl_has_meta;
290}
291
292static inline bool nfp_app_ctrl_uses_data_vnics(struct nfp_app *app)
293{
294 return app && app->type->ctrl_msg_rx_raw;
295}
296
297static inline const char *nfp_app_extra_cap(struct nfp_app *app,
298 struct nfp_net *nn)
299{
300 if (!app || !app->type->extra_cap)
301 return "";
302 return app->type->extra_cap(app, nn);
303}
304
305static inline bool nfp_app_has_tc(struct nfp_app *app)
306{
307 return app && app->type->setup_tc;
308}
309
310static inline int nfp_app_setup_tc(struct nfp_app *app,
311 struct net_device *netdev,
312 enum tc_setup_type type, void *type_data)
313{
314 if (!app || !app->type->setup_tc)
315 return -EOPNOTSUPP;
316 return app->type->setup_tc(app, netdev, type, type_data);
317}
318
319static inline int nfp_app_bpf(struct nfp_app *app, struct nfp_net *nn,
320 struct netdev_bpf *bpf)
321{
322 if (!app || !app->type->bpf)
323 return -EINVAL;
324 return app->type->bpf(app, nn, bpf);
325}
326
327static inline int nfp_app_xdp_offload(struct nfp_app *app, struct nfp_net *nn,
328 struct bpf_prog *prog,
329 struct netlink_ext_ack *extack)
330{
331 if (!app || !app->type->xdp_offload)
332 return -EOPNOTSUPP;
333 return app->type->xdp_offload(app, nn, prog, extack);
334}
335
336static inline bool __nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb)
337{
338 trace_devlink_hwmsg(priv_to_devlink(app->pf), false, 0,
339 skb->data, skb->len);
340
341 return __nfp_ctrl_tx(app->ctrl, skb);
342}
343
344static inline bool nfp_app_ctrl_tx(struct nfp_app *app, struct sk_buff *skb)
345{
346 trace_devlink_hwmsg(priv_to_devlink(app->pf), false, 0,
347 skb->data, skb->len);
348
349 return nfp_ctrl_tx(app->ctrl, skb);
350}
351
352static inline void nfp_app_ctrl_rx(struct nfp_app *app, struct sk_buff *skb)
353{
354 trace_devlink_hwmsg(priv_to_devlink(app->pf), true, 0,
355 skb->data, skb->len);
356
357 app->type->ctrl_msg_rx(app, skb);
358}
359
360static inline void
361nfp_app_ctrl_rx_raw(struct nfp_app *app, const void *data, unsigned int len)
362{
363 if (!app || !app->type->ctrl_msg_rx_raw)
364 return;
365
366 trace_devlink_hwmsg(priv_to_devlink(app->pf), true, 0, data, len);
367 app->type->ctrl_msg_rx_raw(app, data, len);
368}
369
370static inline int nfp_app_eswitch_mode_get(struct nfp_app *app, u16 *mode)
371{
372 if (!app->type->eswitch_mode_get)
373 return -EOPNOTSUPP;
374
375 *mode = app->type->eswitch_mode_get(app);
376
377 return 0;
378}
379
380static inline int nfp_app_eswitch_mode_set(struct nfp_app *app, u16 mode)
381{
382 if (!app->type->eswitch_mode_set)
383 return -EOPNOTSUPP;
384 return app->type->eswitch_mode_set(app, mode);
385}
386
387static inline int nfp_app_sriov_enable(struct nfp_app *app, int num_vfs)
388{
389 if (!app || !app->type->sriov_enable)
390 return -EOPNOTSUPP;
391 return app->type->sriov_enable(app, num_vfs);
392}
393
394static inline void nfp_app_sriov_disable(struct nfp_app *app)
395{
396 if (app && app->type->sriov_disable)
397 app->type->sriov_disable(app);
398}
399
400static inline
401struct net_device *nfp_app_dev_get(struct nfp_app *app, u32 id,
402 bool *redir_egress)
403{
404 if (unlikely(!app || !app->type->dev_get))
405 return NULL;
406
407 return app->type->dev_get(app, id, redir_egress);
408}
409
410struct nfp_app *nfp_app_from_netdev(struct net_device *netdev);
411
412u64 *nfp_app_port_get_stats(struct nfp_port *port, u64 *data);
413int nfp_app_port_get_stats_count(struct nfp_port *port);
414u8 *nfp_app_port_get_stats_strings(struct nfp_port *port, u8 *data);
415
416struct nfp_reprs *
417nfp_reprs_get_locked(struct nfp_app *app, enum nfp_repr_type type);
418struct nfp_reprs *
419nfp_app_reprs_set(struct nfp_app *app, enum nfp_repr_type type,
420 struct nfp_reprs *reprs);
421
422const char *nfp_app_mip_name(struct nfp_app *app);
423struct sk_buff *
424nfp_app_ctrl_msg_alloc(struct nfp_app *app, unsigned int size, gfp_t priority);
425
426struct nfp_app *nfp_app_alloc(struct nfp_pf *pf, enum nfp_app_id id);
427void nfp_app_free(struct nfp_app *app);
428int nfp_app_start(struct nfp_app *app, struct nfp_net *ctrl);
429void nfp_app_stop(struct nfp_app *app);
430
431
432
433int nfp_app_nic_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
434 unsigned int id);
435int nfp_app_nic_vnic_init_phy_port(struct nfp_pf *pf, struct nfp_app *app,
436 struct nfp_net *nn, unsigned int id);
437
438struct devlink_port *nfp_devlink_get_devlink_port(struct net_device *netdev);
439
440#endif
441