1 | // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 |
2 | /* Copyright (c) 2019 Mellanox Technologies. All rights reserved */ |
3 | |
4 | #include <linux/bitops.h> |
5 | #include <linux/kernel.h> |
6 | #include <linux/netlink.h> |
7 | #include <net/devlink.h> |
8 | #include <uapi/linux/devlink.h> |
9 | |
10 | #include "core.h" |
11 | #include "reg.h" |
12 | #include "spectrum.h" |
13 | #include "spectrum_trap.h" |
14 | |
15 | struct mlxsw_sp_trap_policer_item { |
16 | struct devlink_trap_policer policer; |
17 | u16 hw_id; |
18 | }; |
19 | |
20 | struct mlxsw_sp_trap_group_item { |
21 | struct devlink_trap_group group; |
22 | u16 hw_group_id; |
23 | u8 priority; |
24 | u8 fixed_policer:1; /* Whether policer binding can change */ |
25 | }; |
26 | |
27 | #define MLXSW_SP_TRAP_LISTENERS_MAX 3 |
28 | |
29 | struct mlxsw_sp_trap_item { |
30 | struct devlink_trap trap; |
31 | struct mlxsw_listener listeners_arr[MLXSW_SP_TRAP_LISTENERS_MAX]; |
32 | u8 is_source:1; |
33 | }; |
34 | |
35 | /* All driver-specific traps must be documented in |
36 | * Documentation/networking/devlink/mlxsw.rst |
37 | */ |
38 | enum { |
39 | DEVLINK_MLXSW_TRAP_ID_BASE = DEVLINK_TRAP_GENERIC_ID_MAX, |
40 | DEVLINK_MLXSW_TRAP_ID_IRIF_DISABLED, |
41 | DEVLINK_MLXSW_TRAP_ID_ERIF_DISABLED, |
42 | }; |
43 | |
44 | #define DEVLINK_MLXSW_TRAP_NAME_IRIF_DISABLED \ |
45 | "irif_disabled" |
46 | #define DEVLINK_MLXSW_TRAP_NAME_ERIF_DISABLED \ |
47 | "erif_disabled" |
48 | |
49 | #define MLXSW_SP_TRAP_METADATA DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT |
50 | |
51 | enum { |
52 | /* Packet was mirrored from ingress. */ |
53 | MLXSW_SP_MIRROR_REASON_INGRESS = 1, |
54 | /* Packet was mirrored from policy engine. */ |
55 | MLXSW_SP_MIRROR_REASON_POLICY_ENGINE = 2, |
56 | /* Packet was early dropped. */ |
57 | MLXSW_SP_MIRROR_REASON_INGRESS_WRED = 9, |
58 | /* Packet was mirrored from egress. */ |
59 | MLXSW_SP_MIRROR_REASON_EGRESS = 14, |
60 | }; |
61 | |
62 | static int mlxsw_sp_rx_listener(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb, |
63 | u16 local_port, |
64 | struct mlxsw_sp_port *mlxsw_sp_port) |
65 | { |
66 | struct mlxsw_sp_port_pcpu_stats *pcpu_stats; |
67 | |
68 | if (unlikely(!mlxsw_sp_port)) { |
69 | dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n" , |
70 | local_port); |
71 | kfree_skb(skb); |
72 | return -EINVAL; |
73 | } |
74 | |
75 | skb->dev = mlxsw_sp_port->dev; |
76 | |
77 | pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats); |
78 | u64_stats_update_begin(syncp: &pcpu_stats->syncp); |
79 | pcpu_stats->rx_packets++; |
80 | pcpu_stats->rx_bytes += skb->len; |
81 | u64_stats_update_end(syncp: &pcpu_stats->syncp); |
82 | |
83 | skb->protocol = eth_type_trans(skb, dev: skb->dev); |
84 | |
85 | return 0; |
86 | } |
87 | |
88 | static void mlxsw_sp_rx_drop_listener(struct sk_buff *skb, u16 local_port, |
89 | void *trap_ctx) |
90 | { |
91 | struct devlink_port *in_devlink_port; |
92 | struct mlxsw_sp_port *mlxsw_sp_port; |
93 | struct mlxsw_sp *mlxsw_sp; |
94 | struct devlink *devlink; |
95 | int err; |
96 | |
97 | mlxsw_sp = devlink_trap_ctx_priv(trap_ctx); |
98 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
99 | |
100 | err = mlxsw_sp_rx_listener(mlxsw_sp, skb, local_port, mlxsw_sp_port); |
101 | if (err) |
102 | return; |
103 | |
104 | devlink = priv_to_devlink(priv: mlxsw_sp->core); |
105 | in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_core: mlxsw_sp->core, |
106 | local_port); |
107 | skb_push(skb, ETH_HLEN); |
108 | devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port, NULL); |
109 | consume_skb(skb); |
110 | } |
111 | |
112 | static void mlxsw_sp_rx_acl_drop_listener(struct sk_buff *skb, u16 local_port, |
113 | void *trap_ctx) |
114 | { |
115 | u32 cookie_index = mlxsw_skb_cb(skb)->rx_md_info.cookie_index; |
116 | const struct flow_action_cookie *fa_cookie; |
117 | struct devlink_port *in_devlink_port; |
118 | struct mlxsw_sp_port *mlxsw_sp_port; |
119 | struct mlxsw_sp *mlxsw_sp; |
120 | struct devlink *devlink; |
121 | int err; |
122 | |
123 | mlxsw_sp = devlink_trap_ctx_priv(trap_ctx); |
124 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
125 | |
126 | err = mlxsw_sp_rx_listener(mlxsw_sp, skb, local_port, mlxsw_sp_port); |
127 | if (err) |
128 | return; |
129 | |
130 | devlink = priv_to_devlink(priv: mlxsw_sp->core); |
131 | in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_core: mlxsw_sp->core, |
132 | local_port); |
133 | skb_push(skb, ETH_HLEN); |
134 | rcu_read_lock(); |
135 | fa_cookie = mlxsw_sp_acl_act_cookie_lookup(mlxsw_sp, cookie_index); |
136 | devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port, fa_cookie); |
137 | rcu_read_unlock(); |
138 | consume_skb(skb); |
139 | } |
140 | |
141 | static int __mlxsw_sp_rx_no_mark_listener(struct sk_buff *skb, u16 local_port, |
142 | void *trap_ctx) |
143 | { |
144 | struct devlink_port *in_devlink_port; |
145 | struct mlxsw_sp_port *mlxsw_sp_port; |
146 | struct mlxsw_sp *mlxsw_sp; |
147 | struct devlink *devlink; |
148 | int err; |
149 | |
150 | mlxsw_sp = devlink_trap_ctx_priv(trap_ctx); |
151 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
152 | |
153 | err = mlxsw_sp_rx_listener(mlxsw_sp, skb, local_port, mlxsw_sp_port); |
154 | if (err) |
155 | return err; |
156 | |
157 | devlink = priv_to_devlink(priv: mlxsw_sp->core); |
158 | in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_core: mlxsw_sp->core, |
159 | local_port); |
160 | skb_push(skb, ETH_HLEN); |
161 | devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port, NULL); |
162 | skb_pull(skb, ETH_HLEN); |
163 | |
164 | return 0; |
165 | } |
166 | |
167 | static void mlxsw_sp_rx_no_mark_listener(struct sk_buff *skb, u16 local_port, |
168 | void *trap_ctx) |
169 | { |
170 | int err; |
171 | |
172 | err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx); |
173 | if (err) |
174 | return; |
175 | |
176 | netif_receive_skb(skb); |
177 | } |
178 | |
179 | static void mlxsw_sp_rx_mark_listener(struct sk_buff *skb, u16 local_port, |
180 | void *trap_ctx) |
181 | { |
182 | skb->offload_fwd_mark = 1; |
183 | mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx); |
184 | } |
185 | |
186 | static void mlxsw_sp_rx_l3_mark_listener(struct sk_buff *skb, u16 local_port, |
187 | void *trap_ctx) |
188 | { |
189 | skb->offload_l3_fwd_mark = 1; |
190 | skb->offload_fwd_mark = 1; |
191 | mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx); |
192 | } |
193 | |
194 | static void mlxsw_sp_rx_ptp_listener(struct sk_buff *skb, u16 local_port, |
195 | void *trap_ctx) |
196 | { |
197 | struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx); |
198 | int err; |
199 | |
200 | err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx); |
201 | if (err) |
202 | return; |
203 | |
204 | /* The PTP handler expects skb->data to point to the start of the |
205 | * Ethernet header. |
206 | */ |
207 | skb_push(skb, ETH_HLEN); |
208 | mlxsw_sp_ptp_receive(mlxsw_sp, skb, local_port); |
209 | } |
210 | |
211 | static struct mlxsw_sp_port * |
212 | mlxsw_sp_sample_tx_port_get(struct mlxsw_sp *mlxsw_sp, |
213 | const struct mlxsw_rx_md_info *rx_md_info) |
214 | { |
215 | u16 local_port; |
216 | |
217 | if (!rx_md_info->tx_port_valid) |
218 | return NULL; |
219 | |
220 | if (rx_md_info->tx_port_is_lag) |
221 | local_port = mlxsw_core_lag_mapping_get(mlxsw_core: mlxsw_sp->core, |
222 | lag_id: rx_md_info->tx_lag_id, |
223 | port_index: rx_md_info->tx_lag_port_index); |
224 | else |
225 | local_port = rx_md_info->tx_sys_port; |
226 | |
227 | if (local_port >= mlxsw_core_max_ports(mlxsw_core: mlxsw_sp->core)) |
228 | return NULL; |
229 | |
230 | return mlxsw_sp->ports[local_port]; |
231 | } |
232 | |
233 | /* The latency units are determined according to MOGCR.mirror_latency_units. It |
234 | * defaults to 64 nanoseconds. |
235 | */ |
236 | #define MLXSW_SP_MIRROR_LATENCY_SHIFT 6 |
237 | |
238 | static void mlxsw_sp_psample_md_init(struct mlxsw_sp *mlxsw_sp, |
239 | struct psample_metadata *md, |
240 | struct sk_buff *skb, int in_ifindex, |
241 | bool truncate, u32 trunc_size) |
242 | { |
243 | struct mlxsw_rx_md_info *rx_md_info = &mlxsw_skb_cb(skb)->rx_md_info; |
244 | struct mlxsw_sp_port *mlxsw_sp_port; |
245 | |
246 | md->trunc_size = truncate ? trunc_size : skb->len; |
247 | md->in_ifindex = in_ifindex; |
248 | mlxsw_sp_port = mlxsw_sp_sample_tx_port_get(mlxsw_sp, rx_md_info); |
249 | md->out_ifindex = mlxsw_sp_port && mlxsw_sp_port->dev ? |
250 | mlxsw_sp_port->dev->ifindex : 0; |
251 | md->out_tc_valid = rx_md_info->tx_tc_valid; |
252 | md->out_tc = rx_md_info->tx_tc; |
253 | md->out_tc_occ_valid = rx_md_info->tx_congestion_valid; |
254 | md->out_tc_occ = rx_md_info->tx_congestion; |
255 | md->latency_valid = rx_md_info->latency_valid; |
256 | md->latency = rx_md_info->latency; |
257 | md->latency <<= MLXSW_SP_MIRROR_LATENCY_SHIFT; |
258 | } |
259 | |
260 | static void mlxsw_sp_rx_sample_listener(struct sk_buff *skb, u16 local_port, |
261 | void *trap_ctx) |
262 | { |
263 | struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx); |
264 | struct mlxsw_sp_sample_trigger trigger; |
265 | struct mlxsw_sp_sample_params *params; |
266 | struct mlxsw_sp_port *mlxsw_sp_port; |
267 | struct psample_metadata md = {}; |
268 | int err; |
269 | |
270 | err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx); |
271 | if (err) |
272 | return; |
273 | |
274 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
275 | if (!mlxsw_sp_port) |
276 | goto out; |
277 | |
278 | trigger.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_INGRESS; |
279 | trigger.local_port = local_port; |
280 | params = mlxsw_sp_sample_trigger_params_lookup(mlxsw_sp, trigger: &trigger); |
281 | if (!params) |
282 | goto out; |
283 | |
284 | /* The psample module expects skb->data to point to the start of the |
285 | * Ethernet header. |
286 | */ |
287 | skb_push(skb, ETH_HLEN); |
288 | mlxsw_sp_psample_md_init(mlxsw_sp, md: &md, skb, |
289 | in_ifindex: mlxsw_sp_port->dev->ifindex, truncate: params->truncate, |
290 | trunc_size: params->trunc_size); |
291 | psample_sample_packet(group: params->psample_group, skb, sample_rate: params->rate, md: &md); |
292 | out: |
293 | consume_skb(skb); |
294 | } |
295 | |
296 | static void mlxsw_sp_rx_sample_tx_listener(struct sk_buff *skb, u16 local_port, |
297 | void *trap_ctx) |
298 | { |
299 | struct mlxsw_rx_md_info *rx_md_info = &mlxsw_skb_cb(skb)->rx_md_info; |
300 | struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx); |
301 | struct mlxsw_sp_port *mlxsw_sp_port, *mlxsw_sp_port_tx; |
302 | struct mlxsw_sp_sample_trigger trigger; |
303 | struct mlxsw_sp_sample_params *params; |
304 | struct psample_metadata md = {}; |
305 | int err; |
306 | |
307 | /* Locally generated packets are not reported from the policy engine |
308 | * trigger, so do not report them from the egress trigger as well. |
309 | */ |
310 | if (local_port == MLXSW_PORT_CPU_PORT) |
311 | goto out; |
312 | |
313 | err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx); |
314 | if (err) |
315 | return; |
316 | |
317 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
318 | if (!mlxsw_sp_port) |
319 | goto out; |
320 | |
321 | /* Packet was sampled from Tx, so we need to retrieve the sample |
322 | * parameters based on the Tx port and not the Rx port. |
323 | */ |
324 | mlxsw_sp_port_tx = mlxsw_sp_sample_tx_port_get(mlxsw_sp, rx_md_info); |
325 | if (!mlxsw_sp_port_tx) |
326 | goto out; |
327 | |
328 | trigger.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_EGRESS; |
329 | trigger.local_port = mlxsw_sp_port_tx->local_port; |
330 | params = mlxsw_sp_sample_trigger_params_lookup(mlxsw_sp, trigger: &trigger); |
331 | if (!params) |
332 | goto out; |
333 | |
334 | /* The psample module expects skb->data to point to the start of the |
335 | * Ethernet header. |
336 | */ |
337 | skb_push(skb, ETH_HLEN); |
338 | mlxsw_sp_psample_md_init(mlxsw_sp, md: &md, skb, |
339 | in_ifindex: mlxsw_sp_port->dev->ifindex, truncate: params->truncate, |
340 | trunc_size: params->trunc_size); |
341 | psample_sample_packet(group: params->psample_group, skb, sample_rate: params->rate, md: &md); |
342 | out: |
343 | consume_skb(skb); |
344 | } |
345 | |
346 | static void mlxsw_sp_rx_sample_acl_listener(struct sk_buff *skb, u16 local_port, |
347 | void *trap_ctx) |
348 | { |
349 | struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx); |
350 | struct mlxsw_sp_sample_trigger trigger = { |
351 | .type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_POLICY_ENGINE, |
352 | }; |
353 | struct mlxsw_sp_sample_params *params; |
354 | struct mlxsw_sp_port *mlxsw_sp_port; |
355 | struct psample_metadata md = {}; |
356 | int err; |
357 | |
358 | err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx); |
359 | if (err) |
360 | return; |
361 | |
362 | mlxsw_sp_port = mlxsw_sp->ports[local_port]; |
363 | if (!mlxsw_sp_port) |
364 | goto out; |
365 | |
366 | params = mlxsw_sp_sample_trigger_params_lookup(mlxsw_sp, trigger: &trigger); |
367 | if (!params) |
368 | goto out; |
369 | |
370 | /* The psample module expects skb->data to point to the start of the |
371 | * Ethernet header. |
372 | */ |
373 | skb_push(skb, ETH_HLEN); |
374 | mlxsw_sp_psample_md_init(mlxsw_sp, md: &md, skb, |
375 | in_ifindex: mlxsw_sp_port->dev->ifindex, truncate: params->truncate, |
376 | trunc_size: params->trunc_size); |
377 | psample_sample_packet(group: params->psample_group, skb, sample_rate: params->rate, md: &md); |
378 | out: |
379 | consume_skb(skb); |
380 | } |
381 | |
382 | #define MLXSW_SP_TRAP_DROP(_id, _group_id) \ |
383 | DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \ |
384 | DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ |
385 | MLXSW_SP_TRAP_METADATA) |
386 | |
387 | #define MLXSW_SP_TRAP_DROP_EXT(_id, _group_id, _metadata) \ |
388 | DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \ |
389 | DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ |
390 | MLXSW_SP_TRAP_METADATA | (_metadata)) |
391 | |
392 | #define MLXSW_SP_TRAP_BUFFER_DROP(_id) \ |
393 | DEVLINK_TRAP_GENERIC(DROP, TRAP, _id, \ |
394 | DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, \ |
395 | MLXSW_SP_TRAP_METADATA) |
396 | |
397 | #define MLXSW_SP_TRAP_DRIVER_DROP(_id, _group_id) \ |
398 | DEVLINK_TRAP_DRIVER(DROP, DROP, DEVLINK_MLXSW_TRAP_ID_##_id, \ |
399 | DEVLINK_MLXSW_TRAP_NAME_##_id, \ |
400 | DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ |
401 | MLXSW_SP_TRAP_METADATA) |
402 | |
403 | #define MLXSW_SP_TRAP_EXCEPTION(_id, _group_id) \ |
404 | DEVLINK_TRAP_GENERIC(EXCEPTION, TRAP, _id, \ |
405 | DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ |
406 | MLXSW_SP_TRAP_METADATA) |
407 | |
408 | #define MLXSW_SP_TRAP_CONTROL(_id, _group_id, _action) \ |
409 | DEVLINK_TRAP_GENERIC(CONTROL, _action, _id, \ |
410 | DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \ |
411 | MLXSW_SP_TRAP_METADATA) |
412 | |
413 | #define MLXSW_SP_RXL_DISCARD(_id, _group_id) \ |
414 | MLXSW_RXL_DIS(mlxsw_sp_rx_drop_listener, DISCARD_##_id, \ |
415 | TRAP_EXCEPTION_TO_CPU, false, SP_##_group_id, \ |
416 | SET_FW_DEFAULT, SP_##_group_id) |
417 | |
418 | #define MLXSW_SP_RXL_ACL_DISCARD(_id, _en_group_id, _dis_group_id) \ |
419 | MLXSW_RXL_DIS(mlxsw_sp_rx_acl_drop_listener, DISCARD_##_id, \ |
420 | TRAP_EXCEPTION_TO_CPU, false, SP_##_en_group_id, \ |
421 | SET_FW_DEFAULT, SP_##_dis_group_id) |
422 | |
423 | #define MLXSW_SP_RXL_BUFFER_DISCARD(_mirror_reason) \ |
424 | MLXSW_RXL_MIRROR(mlxsw_sp_rx_drop_listener, 0, SP_BUFFER_DISCARDS, \ |
425 | MLXSW_SP_MIRROR_REASON_##_mirror_reason) |
426 | |
427 | #define MLXSW_SP_RXL_EXCEPTION(_id, _group_id, _action) \ |
428 | MLXSW_RXL(mlxsw_sp_rx_mark_listener, _id, \ |
429 | _action, false, SP_##_group_id, SET_FW_DEFAULT) |
430 | |
431 | #define MLXSW_SP_RXL_NO_MARK(_id, _group_id, _action, _is_ctrl) \ |
432 | MLXSW_RXL(mlxsw_sp_rx_no_mark_listener, _id, _action, \ |
433 | _is_ctrl, SP_##_group_id, DISCARD) |
434 | |
435 | #define MLXSW_SP_RXL_MARK(_id, _group_id, _action, _is_ctrl) \ |
436 | MLXSW_RXL(mlxsw_sp_rx_mark_listener, _id, _action, _is_ctrl, \ |
437 | SP_##_group_id, DISCARD) |
438 | |
439 | #define MLXSW_SP_RXL_L3_MARK(_id, _group_id, _action, _is_ctrl) \ |
440 | MLXSW_RXL(mlxsw_sp_rx_l3_mark_listener, _id, _action, _is_ctrl, \ |
441 | SP_##_group_id, DISCARD) |
442 | |
443 | #define MLXSW_SP_TRAP_POLICER(_id, _rate, _burst) \ |
444 | DEVLINK_TRAP_POLICER(_id, _rate, _burst, \ |
445 | MLXSW_REG_QPCR_HIGHEST_CIR, \ |
446 | MLXSW_REG_QPCR_LOWEST_CIR, \ |
447 | 1 << MLXSW_REG_QPCR_HIGHEST_CBS, \ |
448 | 1 << MLXSW_REG_QPCR_LOWEST_CBS) |
449 | |
450 | /* Ordered by policer identifier */ |
451 | static const struct mlxsw_sp_trap_policer_item |
452 | mlxsw_sp_trap_policer_items_arr[] = { |
453 | { |
454 | .policer = MLXSW_SP_TRAP_POLICER(1, 10 * 1024, 4096), |
455 | }, |
456 | { |
457 | .policer = MLXSW_SP_TRAP_POLICER(2, 128, 128), |
458 | }, |
459 | { |
460 | .policer = MLXSW_SP_TRAP_POLICER(3, 128, 128), |
461 | }, |
462 | { |
463 | .policer = MLXSW_SP_TRAP_POLICER(4, 128, 128), |
464 | }, |
465 | { |
466 | .policer = MLXSW_SP_TRAP_POLICER(5, 16 * 1024, 8192), |
467 | }, |
468 | { |
469 | .policer = MLXSW_SP_TRAP_POLICER(6, 128, 128), |
470 | }, |
471 | { |
472 | .policer = MLXSW_SP_TRAP_POLICER(7, 1024, 512), |
473 | }, |
474 | { |
475 | .policer = MLXSW_SP_TRAP_POLICER(8, 20 * 1024, 8192), |
476 | }, |
477 | { |
478 | .policer = MLXSW_SP_TRAP_POLICER(9, 128, 128), |
479 | }, |
480 | { |
481 | .policer = MLXSW_SP_TRAP_POLICER(10, 1024, 512), |
482 | }, |
483 | { |
484 | .policer = MLXSW_SP_TRAP_POLICER(11, 256, 128), |
485 | }, |
486 | { |
487 | .policer = MLXSW_SP_TRAP_POLICER(12, 128, 128), |
488 | }, |
489 | { |
490 | .policer = MLXSW_SP_TRAP_POLICER(13, 128, 128), |
491 | }, |
492 | { |
493 | .policer = MLXSW_SP_TRAP_POLICER(14, 1024, 512), |
494 | }, |
495 | { |
496 | .policer = MLXSW_SP_TRAP_POLICER(15, 1024, 512), |
497 | }, |
498 | { |
499 | .policer = MLXSW_SP_TRAP_POLICER(16, 24 * 1024, 16384), |
500 | }, |
501 | { |
502 | .policer = MLXSW_SP_TRAP_POLICER(17, 19 * 1024, 8192), |
503 | }, |
504 | { |
505 | .policer = MLXSW_SP_TRAP_POLICER(18, 1024, 512), |
506 | }, |
507 | { |
508 | .policer = MLXSW_SP_TRAP_POLICER(19, 1024, 512), |
509 | }, |
510 | { |
511 | .policer = MLXSW_SP_TRAP_POLICER(20, 10240, 4096), |
512 | }, |
513 | { |
514 | .policer = MLXSW_SP_TRAP_POLICER(21, 128, 128), |
515 | }, |
516 | }; |
517 | |
518 | static const struct mlxsw_sp_trap_group_item mlxsw_sp_trap_group_items_arr[] = { |
519 | { |
520 | .group = DEVLINK_TRAP_GROUP_GENERIC(L2_DROPS, 1), |
521 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L2_DISCARDS, |
522 | .priority = 0, |
523 | }, |
524 | { |
525 | .group = DEVLINK_TRAP_GROUP_GENERIC(L3_DROPS, 1), |
526 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_DISCARDS, |
527 | .priority = 0, |
528 | }, |
529 | { |
530 | .group = DEVLINK_TRAP_GROUP_GENERIC(L3_EXCEPTIONS, 1), |
531 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_EXCEPTIONS, |
532 | .priority = 2, |
533 | }, |
534 | { |
535 | .group = DEVLINK_TRAP_GROUP_GENERIC(TUNNEL_DROPS, 1), |
536 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS, |
537 | .priority = 0, |
538 | }, |
539 | { |
540 | .group = DEVLINK_TRAP_GROUP_GENERIC(ACL_DROPS, 1), |
541 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_ACL_DISCARDS, |
542 | .priority = 0, |
543 | }, |
544 | { |
545 | .group = DEVLINK_TRAP_GROUP_GENERIC(STP, 2), |
546 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_STP, |
547 | .priority = 5, |
548 | }, |
549 | { |
550 | .group = DEVLINK_TRAP_GROUP_GENERIC(LACP, 3), |
551 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP, |
552 | .priority = 5, |
553 | }, |
554 | { |
555 | .group = DEVLINK_TRAP_GROUP_GENERIC(LLDP, 4), |
556 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP, |
557 | .priority = 5, |
558 | }, |
559 | { |
560 | .group = DEVLINK_TRAP_GROUP_GENERIC(MC_SNOOPING, 5), |
561 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_MC_SNOOPING, |
562 | .priority = 3, |
563 | }, |
564 | { |
565 | .group = DEVLINK_TRAP_GROUP_GENERIC(DHCP, 6), |
566 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP, |
567 | .priority = 2, |
568 | }, |
569 | { |
570 | .group = DEVLINK_TRAP_GROUP_GENERIC(NEIGH_DISCOVERY, 7), |
571 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_NEIGH_DISCOVERY, |
572 | .priority = 2, |
573 | }, |
574 | { |
575 | .group = DEVLINK_TRAP_GROUP_GENERIC(BFD, 8), |
576 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_BFD, |
577 | .priority = 5, |
578 | }, |
579 | { |
580 | .group = DEVLINK_TRAP_GROUP_GENERIC(OSPF, 9), |
581 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF, |
582 | .priority = 5, |
583 | }, |
584 | { |
585 | .group = DEVLINK_TRAP_GROUP_GENERIC(BGP, 10), |
586 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP, |
587 | .priority = 4, |
588 | }, |
589 | { |
590 | .group = DEVLINK_TRAP_GROUP_GENERIC(VRRP, 11), |
591 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP, |
592 | .priority = 5, |
593 | }, |
594 | { |
595 | .group = DEVLINK_TRAP_GROUP_GENERIC(PIM, 12), |
596 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM, |
597 | .priority = 5, |
598 | }, |
599 | { |
600 | .group = DEVLINK_TRAP_GROUP_GENERIC(UC_LB, 13), |
601 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR, |
602 | .priority = 0, |
603 | }, |
604 | { |
605 | .group = DEVLINK_TRAP_GROUP_GENERIC(LOCAL_DELIVERY, 14), |
606 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME, |
607 | .priority = 2, |
608 | }, |
609 | { |
610 | .group = DEVLINK_TRAP_GROUP_GENERIC(EXTERNAL_DELIVERY, 19), |
611 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_EXTERNAL_ROUTE, |
612 | .priority = 1, |
613 | }, |
614 | { |
615 | .group = DEVLINK_TRAP_GROUP_GENERIC(IPV6, 15), |
616 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6, |
617 | .priority = 2, |
618 | }, |
619 | { |
620 | .group = DEVLINK_TRAP_GROUP_GENERIC(PTP_EVENT, 16), |
621 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0, |
622 | .priority = 5, |
623 | }, |
624 | { |
625 | .group = DEVLINK_TRAP_GROUP_GENERIC(PTP_GENERAL, 17), |
626 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1, |
627 | .priority = 2, |
628 | }, |
629 | { |
630 | .group = DEVLINK_TRAP_GROUP_GENERIC(ACL_TRAP, 18), |
631 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_FLOW_LOGGING, |
632 | .priority = 4, |
633 | }, |
634 | { |
635 | .group = DEVLINK_TRAP_GROUP_GENERIC(EAPOL, 21), |
636 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_EAPOL, |
637 | .priority = 5, |
638 | }, |
639 | }; |
640 | |
641 | static const struct mlxsw_sp_trap_item mlxsw_sp_trap_items_arr[] = { |
642 | { |
643 | .trap = MLXSW_SP_TRAP_DROP(SMAC_MC, L2_DROPS), |
644 | .listeners_arr = { |
645 | MLXSW_SP_RXL_DISCARD(ING_PACKET_SMAC_MC, L2_DISCARDS), |
646 | }, |
647 | }, |
648 | { |
649 | .trap = MLXSW_SP_TRAP_DROP(VLAN_TAG_MISMATCH, L2_DROPS), |
650 | .listeners_arr = { |
651 | MLXSW_SP_RXL_DISCARD(ING_SWITCH_VTAG_ALLOW, |
652 | L2_DISCARDS), |
653 | }, |
654 | }, |
655 | { |
656 | .trap = MLXSW_SP_TRAP_DROP(INGRESS_VLAN_FILTER, L2_DROPS), |
657 | .listeners_arr = { |
658 | MLXSW_SP_RXL_DISCARD(ING_SWITCH_VLAN, L2_DISCARDS), |
659 | }, |
660 | }, |
661 | { |
662 | .trap = MLXSW_SP_TRAP_DROP(INGRESS_STP_FILTER, L2_DROPS), |
663 | .listeners_arr = { |
664 | MLXSW_SP_RXL_DISCARD(ING_SWITCH_STP, L2_DISCARDS), |
665 | }, |
666 | }, |
667 | { |
668 | .trap = MLXSW_SP_TRAP_DROP(EMPTY_TX_LIST, L2_DROPS), |
669 | .listeners_arr = { |
670 | MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_UC, L2_DISCARDS), |
671 | MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_MC_NULL, L2_DISCARDS), |
672 | }, |
673 | }, |
674 | { |
675 | .trap = MLXSW_SP_TRAP_DROP(PORT_LOOPBACK_FILTER, L2_DROPS), |
676 | .listeners_arr = { |
677 | MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_LB, L2_DISCARDS), |
678 | }, |
679 | }, |
680 | { |
681 | .trap = MLXSW_SP_TRAP_DROP(BLACKHOLE_ROUTE, L3_DROPS), |
682 | .listeners_arr = { |
683 | MLXSW_SP_RXL_DISCARD(ROUTER2, L3_DISCARDS), |
684 | }, |
685 | }, |
686 | { |
687 | .trap = MLXSW_SP_TRAP_DROP(NON_IP_PACKET, L3_DROPS), |
688 | .listeners_arr = { |
689 | MLXSW_SP_RXL_DISCARD(ING_ROUTER_NON_IP_PACKET, |
690 | L3_DISCARDS), |
691 | }, |
692 | }, |
693 | { |
694 | .trap = MLXSW_SP_TRAP_DROP(UC_DIP_MC_DMAC, L3_DROPS), |
695 | .listeners_arr = { |
696 | MLXSW_SP_RXL_DISCARD(ING_ROUTER_UC_DIP_MC_DMAC, |
697 | L3_DISCARDS), |
698 | }, |
699 | }, |
700 | { |
701 | .trap = MLXSW_SP_TRAP_DROP(DIP_LB, L3_DROPS), |
702 | .listeners_arr = { |
703 | MLXSW_SP_RXL_DISCARD(ING_ROUTER_DIP_LB, L3_DISCARDS), |
704 | }, |
705 | }, |
706 | { |
707 | .trap = MLXSW_SP_TRAP_DROP(SIP_MC, L3_DROPS), |
708 | .listeners_arr = { |
709 | MLXSW_SP_RXL_DISCARD(ING_ROUTER_SIP_MC, L3_DISCARDS), |
710 | }, |
711 | }, |
712 | { |
713 | .trap = MLXSW_SP_TRAP_DROP(SIP_LB, L3_DROPS), |
714 | .listeners_arr = { |
715 | MLXSW_SP_RXL_DISCARD(ING_ROUTER_SIP_LB, L3_DISCARDS), |
716 | }, |
717 | }, |
718 | { |
719 | .trap = MLXSW_SP_TRAP_DROP(CORRUPTED_IP_HDR, L3_DROPS), |
720 | .listeners_arr = { |
721 | MLXSW_SP_RXL_DISCARD(ING_ROUTER_CORRUPTED_IP_HDR, |
722 | L3_DISCARDS), |
723 | }, |
724 | }, |
725 | { |
726 | .trap = MLXSW_SP_TRAP_DROP(IPV4_SIP_BC, L3_DROPS), |
727 | .listeners_arr = { |
728 | MLXSW_SP_RXL_DISCARD(ING_ROUTER_IPV4_SIP_BC, |
729 | L3_DISCARDS), |
730 | }, |
731 | }, |
732 | { |
733 | .trap = MLXSW_SP_TRAP_DROP(IPV6_MC_DIP_RESERVED_SCOPE, |
734 | L3_DROPS), |
735 | .listeners_arr = { |
736 | MLXSW_SP_RXL_DISCARD(IPV6_MC_DIP_RESERVED_SCOPE, |
737 | L3_DISCARDS), |
738 | }, |
739 | }, |
740 | { |
741 | .trap = MLXSW_SP_TRAP_DROP(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, |
742 | L3_DROPS), |
743 | .listeners_arr = { |
744 | MLXSW_SP_RXL_DISCARD(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, |
745 | L3_DISCARDS), |
746 | }, |
747 | }, |
748 | { |
749 | .trap = MLXSW_SP_TRAP_EXCEPTION(MTU_ERROR, L3_EXCEPTIONS), |
750 | .listeners_arr = { |
751 | MLXSW_SP_RXL_EXCEPTION(MTUERROR, L3_EXCEPTIONS, |
752 | TRAP_TO_CPU), |
753 | }, |
754 | }, |
755 | { |
756 | .trap = MLXSW_SP_TRAP_EXCEPTION(TTL_ERROR, L3_EXCEPTIONS), |
757 | .listeners_arr = { |
758 | MLXSW_SP_RXL_EXCEPTION(TTLERROR, L3_EXCEPTIONS, |
759 | TRAP_TO_CPU), |
760 | }, |
761 | }, |
762 | { |
763 | .trap = MLXSW_SP_TRAP_EXCEPTION(RPF, L3_EXCEPTIONS), |
764 | .listeners_arr = { |
765 | MLXSW_SP_RXL_EXCEPTION(RPF, L3_EXCEPTIONS, TRAP_TO_CPU), |
766 | }, |
767 | }, |
768 | { |
769 | .trap = MLXSW_SP_TRAP_EXCEPTION(REJECT_ROUTE, L3_EXCEPTIONS), |
770 | .listeners_arr = { |
771 | MLXSW_SP_RXL_EXCEPTION(RTR_INGRESS1, L3_EXCEPTIONS, |
772 | TRAP_TO_CPU), |
773 | }, |
774 | }, |
775 | { |
776 | .trap = MLXSW_SP_TRAP_EXCEPTION(UNRESOLVED_NEIGH, |
777 | L3_EXCEPTIONS), |
778 | .listeners_arr = { |
779 | MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV4, L3_EXCEPTIONS, |
780 | TRAP_TO_CPU), |
781 | MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV6, L3_EXCEPTIONS, |
782 | TRAP_TO_CPU), |
783 | MLXSW_SP_RXL_EXCEPTION(RTR_EGRESS0, L3_EXCEPTIONS, |
784 | TRAP_EXCEPTION_TO_CPU), |
785 | }, |
786 | }, |
787 | { |
788 | .trap = MLXSW_SP_TRAP_EXCEPTION(IPV4_LPM_UNICAST_MISS, |
789 | L3_EXCEPTIONS), |
790 | .listeners_arr = { |
791 | MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM4, |
792 | L3_EXCEPTIONS, |
793 | TRAP_EXCEPTION_TO_CPU), |
794 | }, |
795 | }, |
796 | { |
797 | .trap = MLXSW_SP_TRAP_EXCEPTION(IPV6_LPM_UNICAST_MISS, |
798 | L3_EXCEPTIONS), |
799 | .listeners_arr = { |
800 | MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM6, |
801 | L3_EXCEPTIONS, |
802 | TRAP_EXCEPTION_TO_CPU), |
803 | }, |
804 | }, |
805 | { |
806 | .trap = MLXSW_SP_TRAP_DRIVER_DROP(IRIF_DISABLED, L3_DROPS), |
807 | .listeners_arr = { |
808 | MLXSW_SP_RXL_DISCARD(ROUTER_IRIF_EN, L3_DISCARDS), |
809 | }, |
810 | }, |
811 | { |
812 | .trap = MLXSW_SP_TRAP_DRIVER_DROP(ERIF_DISABLED, L3_DROPS), |
813 | .listeners_arr = { |
814 | MLXSW_SP_RXL_DISCARD(ROUTER_ERIF_EN, L3_DISCARDS), |
815 | }, |
816 | }, |
817 | { |
818 | .trap = MLXSW_SP_TRAP_DROP(NON_ROUTABLE, L3_DROPS), |
819 | .listeners_arr = { |
820 | MLXSW_SP_RXL_DISCARD(NON_ROUTABLE, L3_DISCARDS), |
821 | }, |
822 | }, |
823 | { |
824 | .trap = MLXSW_SP_TRAP_EXCEPTION(DECAP_ERROR, TUNNEL_DROPS), |
825 | .listeners_arr = { |
826 | MLXSW_SP_RXL_EXCEPTION(DECAP_ECN0, TUNNEL_DISCARDS, |
827 | TRAP_EXCEPTION_TO_CPU), |
828 | MLXSW_SP_RXL_EXCEPTION(IPIP_DECAP_ERROR, |
829 | TUNNEL_DISCARDS, |
830 | TRAP_EXCEPTION_TO_CPU), |
831 | MLXSW_SP_RXL_EXCEPTION(DISCARD_DEC_PKT, TUNNEL_DISCARDS, |
832 | TRAP_EXCEPTION_TO_CPU), |
833 | }, |
834 | }, |
835 | { |
836 | .trap = MLXSW_SP_TRAP_DROP(OVERLAY_SMAC_MC, TUNNEL_DROPS), |
837 | .listeners_arr = { |
838 | MLXSW_SP_RXL_DISCARD(OVERLAY_SMAC_MC, TUNNEL_DISCARDS), |
839 | }, |
840 | }, |
841 | { |
842 | .trap = MLXSW_SP_TRAP_DROP_EXT(INGRESS_FLOW_ACTION_DROP, |
843 | ACL_DROPS, |
844 | DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE), |
845 | .listeners_arr = { |
846 | MLXSW_SP_RXL_ACL_DISCARD(INGRESS_ACL, ACL_DISCARDS, |
847 | DUMMY), |
848 | }, |
849 | }, |
850 | { |
851 | .trap = MLXSW_SP_TRAP_DROP_EXT(EGRESS_FLOW_ACTION_DROP, |
852 | ACL_DROPS, |
853 | DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE), |
854 | .listeners_arr = { |
855 | MLXSW_SP_RXL_ACL_DISCARD(EGRESS_ACL, ACL_DISCARDS, |
856 | DUMMY), |
857 | }, |
858 | }, |
859 | { |
860 | .trap = MLXSW_SP_TRAP_CONTROL(STP, STP, TRAP), |
861 | .listeners_arr = { |
862 | MLXSW_SP_RXL_NO_MARK(STP, STP, TRAP_TO_CPU, true), |
863 | }, |
864 | }, |
865 | { |
866 | .trap = MLXSW_SP_TRAP_CONTROL(LACP, LACP, TRAP), |
867 | .listeners_arr = { |
868 | MLXSW_SP_RXL_NO_MARK(LACP, LACP, TRAP_TO_CPU, true), |
869 | }, |
870 | }, |
871 | { |
872 | .trap = MLXSW_SP_TRAP_CONTROL(LLDP, LLDP, TRAP), |
873 | .listeners_arr = { |
874 | MLXSW_RXL(mlxsw_sp_rx_ptp_listener, LLDP, TRAP_TO_CPU, |
875 | true, SP_LLDP, DISCARD), |
876 | }, |
877 | }, |
878 | { |
879 | .trap = MLXSW_SP_TRAP_CONTROL(IGMP_QUERY, MC_SNOOPING, MIRROR), |
880 | .listeners_arr = { |
881 | MLXSW_SP_RXL_MARK(IGMP_QUERY, MC_SNOOPING, |
882 | MIRROR_TO_CPU, false), |
883 | }, |
884 | }, |
885 | { |
886 | .trap = MLXSW_SP_TRAP_CONTROL(IGMP_V1_REPORT, MC_SNOOPING, |
887 | TRAP), |
888 | .listeners_arr = { |
889 | MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, MC_SNOOPING, |
890 | TRAP_TO_CPU, false), |
891 | }, |
892 | }, |
893 | { |
894 | .trap = MLXSW_SP_TRAP_CONTROL(IGMP_V2_REPORT, MC_SNOOPING, |
895 | TRAP), |
896 | .listeners_arr = { |
897 | MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, MC_SNOOPING, |
898 | TRAP_TO_CPU, false), |
899 | }, |
900 | }, |
901 | { |
902 | .trap = MLXSW_SP_TRAP_CONTROL(IGMP_V3_REPORT, MC_SNOOPING, |
903 | TRAP), |
904 | .listeners_arr = { |
905 | MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, MC_SNOOPING, |
906 | TRAP_TO_CPU, false), |
907 | }, |
908 | }, |
909 | { |
910 | .trap = MLXSW_SP_TRAP_CONTROL(IGMP_V2_LEAVE, MC_SNOOPING, |
911 | TRAP), |
912 | .listeners_arr = { |
913 | MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, MC_SNOOPING, |
914 | TRAP_TO_CPU, false), |
915 | }, |
916 | }, |
917 | { |
918 | .trap = MLXSW_SP_TRAP_CONTROL(MLD_QUERY, MC_SNOOPING, MIRROR), |
919 | .listeners_arr = { |
920 | MLXSW_SP_RXL_MARK(IPV6_MLDV12_LISTENER_QUERY, |
921 | MC_SNOOPING, MIRROR_TO_CPU, false), |
922 | }, |
923 | }, |
924 | { |
925 | .trap = MLXSW_SP_TRAP_CONTROL(MLD_V1_REPORT, MC_SNOOPING, |
926 | TRAP), |
927 | .listeners_arr = { |
928 | MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_REPORT, |
929 | MC_SNOOPING, TRAP_TO_CPU, false), |
930 | }, |
931 | }, |
932 | { |
933 | .trap = MLXSW_SP_TRAP_CONTROL(MLD_V2_REPORT, MC_SNOOPING, |
934 | TRAP), |
935 | .listeners_arr = { |
936 | MLXSW_SP_RXL_NO_MARK(IPV6_MLDV2_LISTENER_REPORT, |
937 | MC_SNOOPING, TRAP_TO_CPU, false), |
938 | }, |
939 | }, |
940 | { |
941 | .trap = MLXSW_SP_TRAP_CONTROL(MLD_V1_DONE, MC_SNOOPING, |
942 | TRAP), |
943 | .listeners_arr = { |
944 | MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_DONE, |
945 | MC_SNOOPING, TRAP_TO_CPU, false), |
946 | }, |
947 | }, |
948 | { |
949 | .trap = MLXSW_SP_TRAP_CONTROL(IPV4_DHCP, DHCP, TRAP), |
950 | .listeners_arr = { |
951 | MLXSW_SP_RXL_MARK(IPV4_DHCP, DHCP, TRAP_TO_CPU, false), |
952 | }, |
953 | }, |
954 | { |
955 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_DHCP, DHCP, TRAP), |
956 | .listeners_arr = { |
957 | MLXSW_SP_RXL_MARK(IPV6_DHCP, DHCP, TRAP_TO_CPU, false), |
958 | }, |
959 | }, |
960 | { |
961 | .trap = MLXSW_SP_TRAP_CONTROL(ARP_REQUEST, NEIGH_DISCOVERY, |
962 | MIRROR), |
963 | .listeners_arr = { |
964 | MLXSW_SP_RXL_MARK(ROUTER_ARPBC, NEIGH_DISCOVERY, |
965 | TRAP_TO_CPU, false), |
966 | }, |
967 | }, |
968 | { |
969 | .trap = MLXSW_SP_TRAP_CONTROL(ARP_RESPONSE, NEIGH_DISCOVERY, |
970 | MIRROR), |
971 | .listeners_arr = { |
972 | MLXSW_SP_RXL_MARK(ROUTER_ARPUC, NEIGH_DISCOVERY, |
973 | TRAP_TO_CPU, false), |
974 | }, |
975 | }, |
976 | { |
977 | .trap = MLXSW_SP_TRAP_CONTROL(ARP_OVERLAY, NEIGH_DISCOVERY, |
978 | TRAP), |
979 | .listeners_arr = { |
980 | MLXSW_SP_RXL_NO_MARK(NVE_DECAP_ARP, NEIGH_DISCOVERY, |
981 | TRAP_TO_CPU, false), |
982 | }, |
983 | }, |
984 | { |
985 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_NEIGH_SOLICIT, |
986 | NEIGH_DISCOVERY, TRAP), |
987 | .listeners_arr = { |
988 | MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_SOLICITATION, |
989 | NEIGH_DISCOVERY, TRAP_TO_CPU, false), |
990 | }, |
991 | }, |
992 | { |
993 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_NEIGH_ADVERT, |
994 | NEIGH_DISCOVERY, TRAP), |
995 | .listeners_arr = { |
996 | MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_ADVERTISEMENT, |
997 | NEIGH_DISCOVERY, TRAP_TO_CPU, false), |
998 | }, |
999 | }, |
1000 | { |
1001 | .trap = MLXSW_SP_TRAP_CONTROL(IPV4_BFD, BFD, TRAP), |
1002 | .listeners_arr = { |
1003 | MLXSW_SP_RXL_MARK(IPV4_BFD, BFD, TRAP_TO_CPU, false), |
1004 | }, |
1005 | }, |
1006 | { |
1007 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_BFD, BFD, TRAP), |
1008 | .listeners_arr = { |
1009 | MLXSW_SP_RXL_MARK(IPV6_BFD, BFD, TRAP_TO_CPU, false), |
1010 | }, |
1011 | }, |
1012 | { |
1013 | .trap = MLXSW_SP_TRAP_CONTROL(IPV4_OSPF, OSPF, TRAP), |
1014 | .listeners_arr = { |
1015 | MLXSW_SP_RXL_MARK(IPV4_OSPF, OSPF, TRAP_TO_CPU, false), |
1016 | }, |
1017 | }, |
1018 | { |
1019 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_OSPF, OSPF, TRAP), |
1020 | .listeners_arr = { |
1021 | MLXSW_SP_RXL_MARK(IPV6_OSPF, OSPF, TRAP_TO_CPU, false), |
1022 | }, |
1023 | }, |
1024 | { |
1025 | .trap = MLXSW_SP_TRAP_CONTROL(IPV4_BGP, BGP, TRAP), |
1026 | .listeners_arr = { |
1027 | MLXSW_SP_RXL_MARK(IPV4_BGP, BGP, TRAP_TO_CPU, false), |
1028 | }, |
1029 | }, |
1030 | { |
1031 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_BGP, BGP, TRAP), |
1032 | .listeners_arr = { |
1033 | MLXSW_SP_RXL_MARK(IPV6_BGP, BGP, TRAP_TO_CPU, false), |
1034 | }, |
1035 | }, |
1036 | { |
1037 | .trap = MLXSW_SP_TRAP_CONTROL(IPV4_VRRP, VRRP, TRAP), |
1038 | .listeners_arr = { |
1039 | MLXSW_SP_RXL_MARK(IPV4_VRRP, VRRP, TRAP_TO_CPU, false), |
1040 | }, |
1041 | }, |
1042 | { |
1043 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_VRRP, VRRP, TRAP), |
1044 | .listeners_arr = { |
1045 | MLXSW_SP_RXL_MARK(IPV6_VRRP, VRRP, TRAP_TO_CPU, false), |
1046 | }, |
1047 | }, |
1048 | { |
1049 | .trap = MLXSW_SP_TRAP_CONTROL(IPV4_PIM, PIM, TRAP), |
1050 | .listeners_arr = { |
1051 | MLXSW_SP_RXL_MARK(IPV4_PIM, PIM, TRAP_TO_CPU, false), |
1052 | }, |
1053 | }, |
1054 | { |
1055 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_PIM, PIM, TRAP), |
1056 | .listeners_arr = { |
1057 | MLXSW_SP_RXL_MARK(IPV6_PIM, PIM, TRAP_TO_CPU, false), |
1058 | }, |
1059 | }, |
1060 | { |
1061 | .trap = MLXSW_SP_TRAP_CONTROL(UC_LB, UC_LB, MIRROR), |
1062 | .listeners_arr = { |
1063 | MLXSW_SP_RXL_L3_MARK(LBERROR, LBERROR, MIRROR_TO_CPU, |
1064 | false), |
1065 | }, |
1066 | }, |
1067 | { |
1068 | .trap = MLXSW_SP_TRAP_CONTROL(LOCAL_ROUTE, LOCAL_DELIVERY, |
1069 | TRAP), |
1070 | .listeners_arr = { |
1071 | MLXSW_SP_RXL_MARK(IP2ME, IP2ME, TRAP_TO_CPU, false), |
1072 | }, |
1073 | }, |
1074 | { |
1075 | .trap = MLXSW_SP_TRAP_CONTROL(EXTERNAL_ROUTE, EXTERNAL_DELIVERY, |
1076 | TRAP), |
1077 | .listeners_arr = { |
1078 | MLXSW_SP_RXL_MARK(RTR_INGRESS0, EXTERNAL_ROUTE, |
1079 | TRAP_TO_CPU, false), |
1080 | }, |
1081 | }, |
1082 | { |
1083 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_UC_DIP_LINK_LOCAL_SCOPE, |
1084 | LOCAL_DELIVERY, TRAP), |
1085 | .listeners_arr = { |
1086 | MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_DEST, IP2ME, |
1087 | TRAP_TO_CPU, false), |
1088 | }, |
1089 | }, |
1090 | { |
1091 | .trap = MLXSW_SP_TRAP_CONTROL(IPV4_ROUTER_ALERT, LOCAL_DELIVERY, |
1092 | TRAP), |
1093 | .listeners_arr = { |
1094 | MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, IP2ME, TRAP_TO_CPU, |
1095 | false), |
1096 | }, |
1097 | }, |
1098 | { |
1099 | /* IPV6_ROUTER_ALERT is defined in uAPI as 22, but it is not |
1100 | * used in this file, so undefine it. |
1101 | */ |
1102 | #undef IPV6_ROUTER_ALERT |
1103 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_ROUTER_ALERT, LOCAL_DELIVERY, |
1104 | TRAP), |
1105 | .listeners_arr = { |
1106 | MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, IP2ME, TRAP_TO_CPU, |
1107 | false), |
1108 | }, |
1109 | }, |
1110 | { |
1111 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_DIP_ALL_NODES, IPV6, TRAP), |
1112 | .listeners_arr = { |
1113 | MLXSW_SP_RXL_MARK(IPV6_ALL_NODES_LINK, IPV6, |
1114 | TRAP_TO_CPU, false), |
1115 | }, |
1116 | }, |
1117 | { |
1118 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_DIP_ALL_ROUTERS, IPV6, TRAP), |
1119 | .listeners_arr = { |
1120 | MLXSW_SP_RXL_MARK(IPV6_ALL_ROUTERS_LINK, IPV6, |
1121 | TRAP_TO_CPU, false), |
1122 | }, |
1123 | }, |
1124 | { |
1125 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_ROUTER_SOLICIT, IPV6, TRAP), |
1126 | .listeners_arr = { |
1127 | MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_SOLICITATION, IPV6, |
1128 | TRAP_TO_CPU, false), |
1129 | }, |
1130 | }, |
1131 | { |
1132 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_ROUTER_ADVERT, IPV6, TRAP), |
1133 | .listeners_arr = { |
1134 | MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_ADVERTISEMENT, IPV6, |
1135 | TRAP_TO_CPU, false), |
1136 | }, |
1137 | }, |
1138 | { |
1139 | .trap = MLXSW_SP_TRAP_CONTROL(IPV6_REDIRECT, IPV6, TRAP), |
1140 | .listeners_arr = { |
1141 | MLXSW_SP_RXL_MARK(L3_IPV6_REDIRECTION, IPV6, |
1142 | TRAP_TO_CPU, false), |
1143 | }, |
1144 | }, |
1145 | { |
1146 | .trap = MLXSW_SP_TRAP_CONTROL(PTP_EVENT, PTP_EVENT, TRAP), |
1147 | .listeners_arr = { |
1148 | MLXSW_RXL(mlxsw_sp_rx_ptp_listener, PTP0, TRAP_TO_CPU, |
1149 | false, SP_PTP0, DISCARD), |
1150 | }, |
1151 | }, |
1152 | { |
1153 | .trap = MLXSW_SP_TRAP_CONTROL(PTP_GENERAL, PTP_GENERAL, TRAP), |
1154 | .listeners_arr = { |
1155 | MLXSW_SP_RXL_NO_MARK(PTP1, PTP1, TRAP_TO_CPU, false), |
1156 | }, |
1157 | }, |
1158 | { |
1159 | .trap = MLXSW_SP_TRAP_CONTROL(FLOW_ACTION_TRAP, ACL_TRAP, TRAP), |
1160 | .listeners_arr = { |
1161 | MLXSW_SP_RXL_NO_MARK(ACL0, FLOW_LOGGING, TRAP_TO_CPU, |
1162 | false), |
1163 | }, |
1164 | }, |
1165 | { |
1166 | .trap = MLXSW_SP_TRAP_DROP(BLACKHOLE_NEXTHOP, L3_DROPS), |
1167 | .listeners_arr = { |
1168 | MLXSW_SP_RXL_DISCARD(ROUTER3, L3_DISCARDS), |
1169 | }, |
1170 | }, |
1171 | { |
1172 | .trap = MLXSW_SP_TRAP_CONTROL(EAPOL, EAPOL, TRAP), |
1173 | .listeners_arr = { |
1174 | MLXSW_SP_RXL_NO_MARK(EAPOL, EAPOL, TRAP_TO_CPU, true), |
1175 | }, |
1176 | }, |
1177 | { |
1178 | .trap = MLXSW_SP_TRAP_DROP(LOCKED_PORT, L2_DROPS), |
1179 | .listeners_arr = { |
1180 | MLXSW_RXL_DIS(mlxsw_sp_rx_drop_listener, FDB_MISS, |
1181 | TRAP_EXCEPTION_TO_CPU, false, |
1182 | SP_L2_DISCARDS, DISCARD, SP_L2_DISCARDS), |
1183 | MLXSW_RXL_DIS(mlxsw_sp_rx_drop_listener, FDB_MISMATCH, |
1184 | TRAP_EXCEPTION_TO_CPU, false, |
1185 | SP_L2_DISCARDS, DISCARD, SP_L2_DISCARDS), |
1186 | }, |
1187 | }, |
1188 | }; |
1189 | |
1190 | static struct mlxsw_sp_trap_policer_item * |
1191 | mlxsw_sp_trap_policer_item_lookup(struct mlxsw_sp *mlxsw_sp, u32 id) |
1192 | { |
1193 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1194 | int i; |
1195 | |
1196 | for (i = 0; i < trap->policers_count; i++) { |
1197 | if (trap->policer_items_arr[i].policer.id == id) |
1198 | return &trap->policer_items_arr[i]; |
1199 | } |
1200 | |
1201 | return NULL; |
1202 | } |
1203 | |
1204 | static struct mlxsw_sp_trap_group_item * |
1205 | mlxsw_sp_trap_group_item_lookup(struct mlxsw_sp *mlxsw_sp, u16 id) |
1206 | { |
1207 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1208 | int i; |
1209 | |
1210 | for (i = 0; i < trap->groups_count; i++) { |
1211 | if (trap->group_items_arr[i].group.id == id) |
1212 | return &trap->group_items_arr[i]; |
1213 | } |
1214 | |
1215 | return NULL; |
1216 | } |
1217 | |
1218 | static struct mlxsw_sp_trap_item * |
1219 | mlxsw_sp_trap_item_lookup(struct mlxsw_sp *mlxsw_sp, u16 id) |
1220 | { |
1221 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1222 | int i; |
1223 | |
1224 | for (i = 0; i < trap->traps_count; i++) { |
1225 | if (trap->trap_items_arr[i].trap.id == id) |
1226 | return &trap->trap_items_arr[i]; |
1227 | } |
1228 | |
1229 | return NULL; |
1230 | } |
1231 | |
1232 | static int mlxsw_sp_trap_cpu_policers_set(struct mlxsw_sp *mlxsw_sp) |
1233 | { |
1234 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1235 | char qpcr_pl[MLXSW_REG_QPCR_LEN]; |
1236 | u16 hw_id; |
1237 | |
1238 | /* The purpose of "thin" policer is to drop as many packets |
1239 | * as possible. The dummy group is using it. |
1240 | */ |
1241 | hw_id = find_first_zero_bit(addr: trap->policers_usage, size: trap->max_policers); |
1242 | if (WARN_ON(hw_id == trap->max_policers)) |
1243 | return -ENOBUFS; |
1244 | |
1245 | __set_bit(hw_id, trap->policers_usage); |
1246 | trap->thin_policer_hw_id = hw_id; |
1247 | mlxsw_reg_qpcr_pack(payload: qpcr_pl, pid: hw_id, ir_units: MLXSW_REG_QPCR_IR_UNITS_M, |
1248 | bytes: false, cir: 1, cbs: 4); |
1249 | return mlxsw_reg_write(mlxsw_core: mlxsw_sp->core, MLXSW_REG(qpcr), payload: qpcr_pl); |
1250 | } |
1251 | |
1252 | static int mlxsw_sp_trap_dummy_group_init(struct mlxsw_sp *mlxsw_sp) |
1253 | { |
1254 | char htgt_pl[MLXSW_REG_HTGT_LEN]; |
1255 | |
1256 | mlxsw_reg_htgt_pack(payload: htgt_pl, group: MLXSW_REG_HTGT_TRAP_GROUP_SP_DUMMY, |
1257 | policer_id: mlxsw_sp->trap->thin_policer_hw_id, priority: 0, tc: 1); |
1258 | return mlxsw_reg_write(mlxsw_core: mlxsw_sp->core, MLXSW_REG(htgt), payload: htgt_pl); |
1259 | } |
1260 | |
1261 | static int mlxsw_sp_trap_policer_items_arr_init(struct mlxsw_sp *mlxsw_sp) |
1262 | { |
1263 | size_t arr_size = ARRAY_SIZE(mlxsw_sp_trap_policer_items_arr); |
1264 | size_t elem_size = sizeof(struct mlxsw_sp_trap_policer_item); |
1265 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1266 | size_t free_policers = 0; |
1267 | u32 last_id; |
1268 | int i; |
1269 | |
1270 | for_each_clear_bit(i, trap->policers_usage, trap->max_policers) |
1271 | free_policers++; |
1272 | |
1273 | if (arr_size > free_policers) { |
1274 | dev_err(mlxsw_sp->bus_info->dev, "Exceeded number of supported packet trap policers\n" ); |
1275 | return -ENOBUFS; |
1276 | } |
1277 | |
1278 | trap->policer_items_arr = kcalloc(n: free_policers, size: elem_size, GFP_KERNEL); |
1279 | if (!trap->policer_items_arr) |
1280 | return -ENOMEM; |
1281 | |
1282 | trap->policers_count = free_policers; |
1283 | |
1284 | /* Initialize policer items array with pre-defined policers. */ |
1285 | memcpy(trap->policer_items_arr, mlxsw_sp_trap_policer_items_arr, |
1286 | elem_size * arr_size); |
1287 | |
1288 | /* Initialize policer items array with the rest of the available |
1289 | * policers. |
1290 | */ |
1291 | last_id = mlxsw_sp_trap_policer_items_arr[arr_size - 1].policer.id; |
1292 | for (i = arr_size; i < trap->policers_count; i++) { |
1293 | const struct mlxsw_sp_trap_policer_item *policer_item; |
1294 | |
1295 | /* Use parameters set for first policer and override |
1296 | * relevant ones. |
1297 | */ |
1298 | policer_item = &mlxsw_sp_trap_policer_items_arr[0]; |
1299 | trap->policer_items_arr[i] = *policer_item; |
1300 | trap->policer_items_arr[i].policer.id = ++last_id; |
1301 | trap->policer_items_arr[i].policer.init_rate = 1; |
1302 | trap->policer_items_arr[i].policer.init_burst = 16; |
1303 | } |
1304 | |
1305 | return 0; |
1306 | } |
1307 | |
1308 | static void mlxsw_sp_trap_policer_items_arr_fini(struct mlxsw_sp *mlxsw_sp) |
1309 | { |
1310 | kfree(objp: mlxsw_sp->trap->policer_items_arr); |
1311 | } |
1312 | |
1313 | static int mlxsw_sp_trap_policers_init(struct mlxsw_sp *mlxsw_sp) |
1314 | { |
1315 | struct devlink *devlink = priv_to_devlink(priv: mlxsw_sp->core); |
1316 | const struct mlxsw_sp_trap_policer_item *policer_item; |
1317 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1318 | int err, i; |
1319 | |
1320 | err = mlxsw_sp_trap_policer_items_arr_init(mlxsw_sp); |
1321 | if (err) |
1322 | return err; |
1323 | |
1324 | for (i = 0; i < trap->policers_count; i++) { |
1325 | policer_item = &trap->policer_items_arr[i]; |
1326 | err = devl_trap_policers_register(devlink, |
1327 | policers: &policer_item->policer, policers_count: 1); |
1328 | if (err) |
1329 | goto err_trap_policer_register; |
1330 | } |
1331 | |
1332 | return 0; |
1333 | |
1334 | err_trap_policer_register: |
1335 | for (i--; i >= 0; i--) { |
1336 | policer_item = &trap->policer_items_arr[i]; |
1337 | devl_trap_policers_unregister(devlink, |
1338 | policers: &policer_item->policer, policers_count: 1); |
1339 | } |
1340 | mlxsw_sp_trap_policer_items_arr_fini(mlxsw_sp); |
1341 | return err; |
1342 | } |
1343 | |
1344 | static void mlxsw_sp_trap_policers_fini(struct mlxsw_sp *mlxsw_sp) |
1345 | { |
1346 | struct devlink *devlink = priv_to_devlink(priv: mlxsw_sp->core); |
1347 | const struct mlxsw_sp_trap_policer_item *policer_item; |
1348 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1349 | int i; |
1350 | |
1351 | for (i = trap->policers_count - 1; i >= 0; i--) { |
1352 | policer_item = &trap->policer_items_arr[i]; |
1353 | devl_trap_policers_unregister(devlink, |
1354 | policers: &policer_item->policer, policers_count: 1); |
1355 | } |
1356 | mlxsw_sp_trap_policer_items_arr_fini(mlxsw_sp); |
1357 | } |
1358 | |
1359 | static int mlxsw_sp_trap_group_items_arr_init(struct mlxsw_sp *mlxsw_sp) |
1360 | { |
1361 | size_t common_groups_count = ARRAY_SIZE(mlxsw_sp_trap_group_items_arr); |
1362 | const struct mlxsw_sp_trap_group_item *spec_group_items_arr; |
1363 | size_t elem_size = sizeof(struct mlxsw_sp_trap_group_item); |
1364 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1365 | size_t groups_count, spec_groups_count; |
1366 | int err; |
1367 | |
1368 | err = mlxsw_sp->trap_ops->groups_init(mlxsw_sp, &spec_group_items_arr, |
1369 | &spec_groups_count); |
1370 | if (err) |
1371 | return err; |
1372 | |
1373 | /* The group items array is created by concatenating the common trap |
1374 | * group items and the ASIC-specific trap group items. |
1375 | */ |
1376 | groups_count = common_groups_count + spec_groups_count; |
1377 | trap->group_items_arr = kcalloc(n: groups_count, size: elem_size, GFP_KERNEL); |
1378 | if (!trap->group_items_arr) |
1379 | return -ENOMEM; |
1380 | |
1381 | memcpy(trap->group_items_arr, mlxsw_sp_trap_group_items_arr, |
1382 | elem_size * common_groups_count); |
1383 | memcpy(trap->group_items_arr + common_groups_count, |
1384 | spec_group_items_arr, elem_size * spec_groups_count); |
1385 | |
1386 | trap->groups_count = groups_count; |
1387 | |
1388 | return 0; |
1389 | } |
1390 | |
1391 | static void mlxsw_sp_trap_group_items_arr_fini(struct mlxsw_sp *mlxsw_sp) |
1392 | { |
1393 | kfree(objp: mlxsw_sp->trap->group_items_arr); |
1394 | } |
1395 | |
1396 | static int mlxsw_sp_trap_groups_init(struct mlxsw_sp *mlxsw_sp) |
1397 | { |
1398 | struct devlink *devlink = priv_to_devlink(priv: mlxsw_sp->core); |
1399 | const struct mlxsw_sp_trap_group_item *group_item; |
1400 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1401 | int err, i; |
1402 | |
1403 | err = mlxsw_sp_trap_group_items_arr_init(mlxsw_sp); |
1404 | if (err) |
1405 | return err; |
1406 | |
1407 | for (i = 0; i < trap->groups_count; i++) { |
1408 | group_item = &trap->group_items_arr[i]; |
1409 | err = devl_trap_groups_register(devlink, groups: &group_item->group, groups_count: 1); |
1410 | if (err) |
1411 | goto err_trap_group_register; |
1412 | } |
1413 | |
1414 | return 0; |
1415 | |
1416 | err_trap_group_register: |
1417 | for (i--; i >= 0; i--) { |
1418 | group_item = &trap->group_items_arr[i]; |
1419 | devl_trap_groups_unregister(devlink, groups: &group_item->group, groups_count: 1); |
1420 | } |
1421 | mlxsw_sp_trap_group_items_arr_fini(mlxsw_sp); |
1422 | return err; |
1423 | } |
1424 | |
1425 | static void mlxsw_sp_trap_groups_fini(struct mlxsw_sp *mlxsw_sp) |
1426 | { |
1427 | struct devlink *devlink = priv_to_devlink(priv: mlxsw_sp->core); |
1428 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1429 | int i; |
1430 | |
1431 | for (i = trap->groups_count - 1; i >= 0; i--) { |
1432 | const struct mlxsw_sp_trap_group_item *group_item; |
1433 | |
1434 | group_item = &trap->group_items_arr[i]; |
1435 | devl_trap_groups_unregister(devlink, groups: &group_item->group, groups_count: 1); |
1436 | } |
1437 | mlxsw_sp_trap_group_items_arr_fini(mlxsw_sp); |
1438 | } |
1439 | |
1440 | static bool |
1441 | mlxsw_sp_trap_listener_is_valid(const struct mlxsw_listener *listener) |
1442 | { |
1443 | return listener->trap_id != 0; |
1444 | } |
1445 | |
1446 | static int mlxsw_sp_trap_items_arr_init(struct mlxsw_sp *mlxsw_sp) |
1447 | { |
1448 | size_t common_traps_count = ARRAY_SIZE(mlxsw_sp_trap_items_arr); |
1449 | const struct mlxsw_sp_trap_item *spec_trap_items_arr; |
1450 | size_t elem_size = sizeof(struct mlxsw_sp_trap_item); |
1451 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1452 | size_t traps_count, spec_traps_count; |
1453 | int err; |
1454 | |
1455 | err = mlxsw_sp->trap_ops->traps_init(mlxsw_sp, &spec_trap_items_arr, |
1456 | &spec_traps_count); |
1457 | if (err) |
1458 | return err; |
1459 | |
1460 | /* The trap items array is created by concatenating the common trap |
1461 | * items and the ASIC-specific trap items. |
1462 | */ |
1463 | traps_count = common_traps_count + spec_traps_count; |
1464 | trap->trap_items_arr = kcalloc(n: traps_count, size: elem_size, GFP_KERNEL); |
1465 | if (!trap->trap_items_arr) |
1466 | return -ENOMEM; |
1467 | |
1468 | memcpy(trap->trap_items_arr, mlxsw_sp_trap_items_arr, |
1469 | elem_size * common_traps_count); |
1470 | memcpy(trap->trap_items_arr + common_traps_count, |
1471 | spec_trap_items_arr, elem_size * spec_traps_count); |
1472 | |
1473 | trap->traps_count = traps_count; |
1474 | |
1475 | return 0; |
1476 | } |
1477 | |
1478 | static void mlxsw_sp_trap_items_arr_fini(struct mlxsw_sp *mlxsw_sp) |
1479 | { |
1480 | kfree(objp: mlxsw_sp->trap->trap_items_arr); |
1481 | } |
1482 | |
1483 | static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp) |
1484 | { |
1485 | struct devlink *devlink = priv_to_devlink(priv: mlxsw_sp->core); |
1486 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1487 | const struct mlxsw_sp_trap_item *trap_item; |
1488 | int err, i; |
1489 | |
1490 | err = mlxsw_sp_trap_items_arr_init(mlxsw_sp); |
1491 | if (err) |
1492 | return err; |
1493 | |
1494 | for (i = 0; i < trap->traps_count; i++) { |
1495 | trap_item = &trap->trap_items_arr[i]; |
1496 | err = devl_traps_register(devlink, traps: &trap_item->trap, traps_count: 1, |
1497 | priv: mlxsw_sp); |
1498 | if (err) |
1499 | goto err_trap_register; |
1500 | } |
1501 | |
1502 | return 0; |
1503 | |
1504 | err_trap_register: |
1505 | for (i--; i >= 0; i--) { |
1506 | trap_item = &trap->trap_items_arr[i]; |
1507 | devl_traps_unregister(devlink, traps: &trap_item->trap, traps_count: 1); |
1508 | } |
1509 | mlxsw_sp_trap_items_arr_fini(mlxsw_sp); |
1510 | return err; |
1511 | } |
1512 | |
1513 | static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp) |
1514 | { |
1515 | struct devlink *devlink = priv_to_devlink(priv: mlxsw_sp->core); |
1516 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1517 | int i; |
1518 | |
1519 | for (i = trap->traps_count - 1; i >= 0; i--) { |
1520 | const struct mlxsw_sp_trap_item *trap_item; |
1521 | |
1522 | trap_item = &trap->trap_items_arr[i]; |
1523 | devl_traps_unregister(devlink, traps: &trap_item->trap, traps_count: 1); |
1524 | } |
1525 | mlxsw_sp_trap_items_arr_fini(mlxsw_sp); |
1526 | } |
1527 | |
1528 | int mlxsw_sp_devlink_traps_init(struct mlxsw_sp *mlxsw_sp) |
1529 | { |
1530 | int err; |
1531 | |
1532 | err = mlxsw_sp_trap_cpu_policers_set(mlxsw_sp); |
1533 | if (err) |
1534 | return err; |
1535 | |
1536 | err = mlxsw_sp_trap_dummy_group_init(mlxsw_sp); |
1537 | if (err) |
1538 | return err; |
1539 | |
1540 | err = mlxsw_sp_trap_policers_init(mlxsw_sp); |
1541 | if (err) |
1542 | return err; |
1543 | |
1544 | err = mlxsw_sp_trap_groups_init(mlxsw_sp); |
1545 | if (err) |
1546 | goto err_trap_groups_init; |
1547 | |
1548 | err = mlxsw_sp_traps_init(mlxsw_sp); |
1549 | if (err) |
1550 | goto err_traps_init; |
1551 | |
1552 | return 0; |
1553 | |
1554 | err_traps_init: |
1555 | mlxsw_sp_trap_groups_fini(mlxsw_sp); |
1556 | err_trap_groups_init: |
1557 | mlxsw_sp_trap_policers_fini(mlxsw_sp); |
1558 | return err; |
1559 | } |
1560 | |
1561 | void mlxsw_sp_devlink_traps_fini(struct mlxsw_sp *mlxsw_sp) |
1562 | { |
1563 | mlxsw_sp_traps_fini(mlxsw_sp); |
1564 | mlxsw_sp_trap_groups_fini(mlxsw_sp); |
1565 | mlxsw_sp_trap_policers_fini(mlxsw_sp); |
1566 | } |
1567 | |
1568 | int mlxsw_sp_trap_init(struct mlxsw_core *mlxsw_core, |
1569 | const struct devlink_trap *trap, void *trap_ctx) |
1570 | { |
1571 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
1572 | const struct mlxsw_sp_trap_item *trap_item; |
1573 | int i; |
1574 | |
1575 | trap_item = mlxsw_sp_trap_item_lookup(mlxsw_sp, id: trap->id); |
1576 | if (WARN_ON(!trap_item)) |
1577 | return -EINVAL; |
1578 | |
1579 | for (i = 0; i < MLXSW_SP_TRAP_LISTENERS_MAX; i++) { |
1580 | const struct mlxsw_listener *listener; |
1581 | int err; |
1582 | |
1583 | listener = &trap_item->listeners_arr[i]; |
1584 | if (!mlxsw_sp_trap_listener_is_valid(listener)) |
1585 | continue; |
1586 | err = mlxsw_core_trap_register(mlxsw_core, listener, priv: trap_ctx); |
1587 | if (err) |
1588 | return err; |
1589 | } |
1590 | |
1591 | return 0; |
1592 | } |
1593 | |
1594 | void mlxsw_sp_trap_fini(struct mlxsw_core *mlxsw_core, |
1595 | const struct devlink_trap *trap, void *trap_ctx) |
1596 | { |
1597 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
1598 | const struct mlxsw_sp_trap_item *trap_item; |
1599 | int i; |
1600 | |
1601 | trap_item = mlxsw_sp_trap_item_lookup(mlxsw_sp, id: trap->id); |
1602 | if (WARN_ON(!trap_item)) |
1603 | return; |
1604 | |
1605 | for (i = MLXSW_SP_TRAP_LISTENERS_MAX - 1; i >= 0; i--) { |
1606 | const struct mlxsw_listener *listener; |
1607 | |
1608 | listener = &trap_item->listeners_arr[i]; |
1609 | if (!mlxsw_sp_trap_listener_is_valid(listener)) |
1610 | continue; |
1611 | mlxsw_core_trap_unregister(mlxsw_core, listener, priv: trap_ctx); |
1612 | } |
1613 | } |
1614 | |
1615 | int mlxsw_sp_trap_action_set(struct mlxsw_core *mlxsw_core, |
1616 | const struct devlink_trap *trap, |
1617 | enum devlink_trap_action action, |
1618 | struct netlink_ext_ack *extack) |
1619 | { |
1620 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
1621 | const struct mlxsw_sp_trap_item *trap_item; |
1622 | int i; |
1623 | |
1624 | trap_item = mlxsw_sp_trap_item_lookup(mlxsw_sp, id: trap->id); |
1625 | if (WARN_ON(!trap_item)) |
1626 | return -EINVAL; |
1627 | |
1628 | if (trap_item->is_source) { |
1629 | NL_SET_ERR_MSG_MOD(extack, "Changing the action of source traps is not supported" ); |
1630 | return -EOPNOTSUPP; |
1631 | } |
1632 | |
1633 | for (i = 0; i < MLXSW_SP_TRAP_LISTENERS_MAX; i++) { |
1634 | const struct mlxsw_listener *listener; |
1635 | bool enabled; |
1636 | int err; |
1637 | |
1638 | listener = &trap_item->listeners_arr[i]; |
1639 | if (!mlxsw_sp_trap_listener_is_valid(listener)) |
1640 | continue; |
1641 | |
1642 | switch (action) { |
1643 | case DEVLINK_TRAP_ACTION_DROP: |
1644 | enabled = false; |
1645 | break; |
1646 | case DEVLINK_TRAP_ACTION_TRAP: |
1647 | enabled = true; |
1648 | break; |
1649 | default: |
1650 | return -EINVAL; |
1651 | } |
1652 | err = mlxsw_core_trap_state_set(mlxsw_core, listener, enabled); |
1653 | if (err) |
1654 | return err; |
1655 | } |
1656 | |
1657 | return 0; |
1658 | } |
1659 | |
1660 | static int |
1661 | __mlxsw_sp_trap_group_init(struct mlxsw_core *mlxsw_core, |
1662 | const struct devlink_trap_group *group, |
1663 | u32 policer_id, struct netlink_ext_ack *extack) |
1664 | { |
1665 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
1666 | u16 hw_policer_id = MLXSW_REG_HTGT_INVALID_POLICER; |
1667 | const struct mlxsw_sp_trap_group_item *group_item; |
1668 | char htgt_pl[MLXSW_REG_HTGT_LEN]; |
1669 | |
1670 | group_item = mlxsw_sp_trap_group_item_lookup(mlxsw_sp, id: group->id); |
1671 | if (WARN_ON(!group_item)) |
1672 | return -EINVAL; |
1673 | |
1674 | if (group_item->fixed_policer && policer_id != group->init_policer_id) { |
1675 | NL_SET_ERR_MSG_MOD(extack, "Changing the policer binding of this group is not supported" ); |
1676 | return -EOPNOTSUPP; |
1677 | } |
1678 | |
1679 | if (policer_id) { |
1680 | struct mlxsw_sp_trap_policer_item *policer_item; |
1681 | |
1682 | policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, |
1683 | id: policer_id); |
1684 | if (WARN_ON(!policer_item)) |
1685 | return -EINVAL; |
1686 | hw_policer_id = policer_item->hw_id; |
1687 | } |
1688 | |
1689 | mlxsw_reg_htgt_pack(payload: htgt_pl, group: group_item->hw_group_id, policer_id: hw_policer_id, |
1690 | priority: group_item->priority, tc: group_item->priority); |
1691 | return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), payload: htgt_pl); |
1692 | } |
1693 | |
1694 | int mlxsw_sp_trap_group_init(struct mlxsw_core *mlxsw_core, |
1695 | const struct devlink_trap_group *group) |
1696 | { |
1697 | return __mlxsw_sp_trap_group_init(mlxsw_core, group, |
1698 | policer_id: group->init_policer_id, NULL); |
1699 | } |
1700 | |
1701 | int mlxsw_sp_trap_group_set(struct mlxsw_core *mlxsw_core, |
1702 | const struct devlink_trap_group *group, |
1703 | const struct devlink_trap_policer *policer, |
1704 | struct netlink_ext_ack *extack) |
1705 | { |
1706 | u32 policer_id = policer ? policer->id : 0; |
1707 | |
1708 | return __mlxsw_sp_trap_group_init(mlxsw_core, group, policer_id, |
1709 | extack); |
1710 | } |
1711 | |
1712 | static int |
1713 | mlxsw_sp_trap_policer_item_init(struct mlxsw_sp *mlxsw_sp, |
1714 | struct mlxsw_sp_trap_policer_item *policer_item) |
1715 | { |
1716 | struct mlxsw_sp_trap *trap = mlxsw_sp->trap; |
1717 | u16 hw_id; |
1718 | |
1719 | /* We should be able to allocate a policer because the number of |
1720 | * policers we registered with devlink is in according with the number |
1721 | * of available policers. |
1722 | */ |
1723 | hw_id = find_first_zero_bit(addr: trap->policers_usage, size: trap->max_policers); |
1724 | if (WARN_ON(hw_id == trap->max_policers)) |
1725 | return -ENOBUFS; |
1726 | |
1727 | __set_bit(hw_id, trap->policers_usage); |
1728 | policer_item->hw_id = hw_id; |
1729 | |
1730 | return 0; |
1731 | } |
1732 | |
1733 | static void |
1734 | mlxsw_sp_trap_policer_item_fini(struct mlxsw_sp *mlxsw_sp, |
1735 | struct mlxsw_sp_trap_policer_item *policer_item) |
1736 | { |
1737 | __clear_bit(policer_item->hw_id, mlxsw_sp->trap->policers_usage); |
1738 | } |
1739 | |
1740 | static int mlxsw_sp_trap_policer_bs(u64 burst, u8 *p_burst_size, |
1741 | struct netlink_ext_ack *extack) |
1742 | { |
1743 | int bs = fls64(x: burst) - 1; |
1744 | |
1745 | if (burst != (BIT_ULL(bs))) { |
1746 | NL_SET_ERR_MSG_MOD(extack, "Policer burst size is not power of two" ); |
1747 | return -EINVAL; |
1748 | } |
1749 | |
1750 | *p_burst_size = bs; |
1751 | |
1752 | return 0; |
1753 | } |
1754 | |
1755 | static int __mlxsw_sp_trap_policer_set(struct mlxsw_sp *mlxsw_sp, u16 hw_id, |
1756 | u64 rate, u64 burst, bool clear_counter, |
1757 | struct netlink_ext_ack *extack) |
1758 | { |
1759 | char qpcr_pl[MLXSW_REG_QPCR_LEN]; |
1760 | u8 burst_size; |
1761 | int err; |
1762 | |
1763 | err = mlxsw_sp_trap_policer_bs(burst, p_burst_size: &burst_size, extack); |
1764 | if (err) |
1765 | return err; |
1766 | |
1767 | mlxsw_reg_qpcr_pack(payload: qpcr_pl, pid: hw_id, ir_units: MLXSW_REG_QPCR_IR_UNITS_M, bytes: false, |
1768 | cir: rate, cbs: burst_size); |
1769 | mlxsw_reg_qpcr_clear_counter_set(buf: qpcr_pl, val: clear_counter); |
1770 | return mlxsw_reg_write(mlxsw_core: mlxsw_sp->core, MLXSW_REG(qpcr), payload: qpcr_pl); |
1771 | } |
1772 | |
1773 | int mlxsw_sp_trap_policer_init(struct mlxsw_core *mlxsw_core, |
1774 | const struct devlink_trap_policer *policer) |
1775 | { |
1776 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
1777 | struct mlxsw_sp_trap_policer_item *policer_item; |
1778 | int err; |
1779 | |
1780 | policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, id: policer->id); |
1781 | if (WARN_ON(!policer_item)) |
1782 | return -EINVAL; |
1783 | |
1784 | err = mlxsw_sp_trap_policer_item_init(mlxsw_sp, policer_item); |
1785 | if (err) |
1786 | return err; |
1787 | |
1788 | err = __mlxsw_sp_trap_policer_set(mlxsw_sp, hw_id: policer_item->hw_id, |
1789 | rate: policer->init_rate, |
1790 | burst: policer->init_burst, clear_counter: true, NULL); |
1791 | if (err) |
1792 | goto err_trap_policer_set; |
1793 | |
1794 | return 0; |
1795 | |
1796 | err_trap_policer_set: |
1797 | mlxsw_sp_trap_policer_item_fini(mlxsw_sp, policer_item); |
1798 | return err; |
1799 | } |
1800 | |
1801 | void mlxsw_sp_trap_policer_fini(struct mlxsw_core *mlxsw_core, |
1802 | const struct devlink_trap_policer *policer) |
1803 | { |
1804 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
1805 | struct mlxsw_sp_trap_policer_item *policer_item; |
1806 | |
1807 | policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, id: policer->id); |
1808 | if (WARN_ON(!policer_item)) |
1809 | return; |
1810 | |
1811 | mlxsw_sp_trap_policer_item_fini(mlxsw_sp, policer_item); |
1812 | } |
1813 | |
1814 | int mlxsw_sp_trap_policer_set(struct mlxsw_core *mlxsw_core, |
1815 | const struct devlink_trap_policer *policer, |
1816 | u64 rate, u64 burst, |
1817 | struct netlink_ext_ack *extack) |
1818 | { |
1819 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
1820 | struct mlxsw_sp_trap_policer_item *policer_item; |
1821 | |
1822 | policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, id: policer->id); |
1823 | if (WARN_ON(!policer_item)) |
1824 | return -EINVAL; |
1825 | |
1826 | return __mlxsw_sp_trap_policer_set(mlxsw_sp, hw_id: policer_item->hw_id, |
1827 | rate, burst, clear_counter: false, extack); |
1828 | } |
1829 | |
1830 | int |
1831 | mlxsw_sp_trap_policer_counter_get(struct mlxsw_core *mlxsw_core, |
1832 | const struct devlink_trap_policer *policer, |
1833 | u64 *p_drops) |
1834 | { |
1835 | struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core); |
1836 | struct mlxsw_sp_trap_policer_item *policer_item; |
1837 | char qpcr_pl[MLXSW_REG_QPCR_LEN]; |
1838 | int err; |
1839 | |
1840 | policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, id: policer->id); |
1841 | if (WARN_ON(!policer_item)) |
1842 | return -EINVAL; |
1843 | |
1844 | mlxsw_reg_qpcr_pack(payload: qpcr_pl, pid: policer_item->hw_id, |
1845 | ir_units: MLXSW_REG_QPCR_IR_UNITS_M, bytes: false, cir: 0, cbs: 0); |
1846 | err = mlxsw_reg_query(mlxsw_core: mlxsw_sp->core, MLXSW_REG(qpcr), payload: qpcr_pl); |
1847 | if (err) |
1848 | return err; |
1849 | |
1850 | *p_drops = mlxsw_reg_qpcr_violate_count_get(buf: qpcr_pl); |
1851 | |
1852 | return 0; |
1853 | } |
1854 | |
1855 | int mlxsw_sp_trap_group_policer_hw_id_get(struct mlxsw_sp *mlxsw_sp, u16 id, |
1856 | bool *p_enabled, u16 *p_hw_id) |
1857 | { |
1858 | struct mlxsw_sp_trap_policer_item *pol_item; |
1859 | struct mlxsw_sp_trap_group_item *gr_item; |
1860 | u32 pol_id; |
1861 | |
1862 | gr_item = mlxsw_sp_trap_group_item_lookup(mlxsw_sp, id); |
1863 | if (!gr_item) |
1864 | return -ENOENT; |
1865 | |
1866 | pol_id = gr_item->group.init_policer_id; |
1867 | if (!pol_id) { |
1868 | *p_enabled = false; |
1869 | return 0; |
1870 | } |
1871 | |
1872 | pol_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, id: pol_id); |
1873 | if (WARN_ON(!pol_item)) |
1874 | return -ENOENT; |
1875 | |
1876 | *p_enabled = true; |
1877 | *p_hw_id = pol_item->hw_id; |
1878 | return 0; |
1879 | } |
1880 | |
1881 | static const struct mlxsw_sp_trap_group_item |
1882 | mlxsw_sp1_trap_group_items_arr[] = { |
1883 | { |
1884 | .group = DEVLINK_TRAP_GROUP_GENERIC(ACL_SAMPLE, 0), |
1885 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PKT_SAMPLE, |
1886 | .priority = 0, |
1887 | }, |
1888 | }; |
1889 | |
1890 | static const struct mlxsw_sp_trap_item |
1891 | mlxsw_sp1_trap_items_arr[] = { |
1892 | { |
1893 | .trap = MLXSW_SP_TRAP_CONTROL(FLOW_ACTION_SAMPLE, ACL_SAMPLE, |
1894 | MIRROR), |
1895 | .listeners_arr = { |
1896 | MLXSW_RXL(mlxsw_sp_rx_sample_listener, PKT_SAMPLE, |
1897 | MIRROR_TO_CPU, false, SP_PKT_SAMPLE, DISCARD), |
1898 | }, |
1899 | }, |
1900 | }; |
1901 | |
1902 | static int |
1903 | mlxsw_sp1_trap_groups_init(struct mlxsw_sp *mlxsw_sp, |
1904 | const struct mlxsw_sp_trap_group_item **arr, |
1905 | size_t *p_groups_count) |
1906 | { |
1907 | *arr = mlxsw_sp1_trap_group_items_arr; |
1908 | *p_groups_count = ARRAY_SIZE(mlxsw_sp1_trap_group_items_arr); |
1909 | |
1910 | return 0; |
1911 | } |
1912 | |
1913 | static int mlxsw_sp1_traps_init(struct mlxsw_sp *mlxsw_sp, |
1914 | const struct mlxsw_sp_trap_item **arr, |
1915 | size_t *p_traps_count) |
1916 | { |
1917 | *arr = mlxsw_sp1_trap_items_arr; |
1918 | *p_traps_count = ARRAY_SIZE(mlxsw_sp1_trap_items_arr); |
1919 | |
1920 | return 0; |
1921 | } |
1922 | |
1923 | const struct mlxsw_sp_trap_ops mlxsw_sp1_trap_ops = { |
1924 | .groups_init = mlxsw_sp1_trap_groups_init, |
1925 | .traps_init = mlxsw_sp1_traps_init, |
1926 | }; |
1927 | |
1928 | static const struct mlxsw_sp_trap_group_item |
1929 | mlxsw_sp2_trap_group_items_arr[] = { |
1930 | { |
1931 | .group = DEVLINK_TRAP_GROUP_GENERIC(BUFFER_DROPS, 20), |
1932 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_BUFFER_DISCARDS, |
1933 | .priority = 0, |
1934 | .fixed_policer = true, |
1935 | }, |
1936 | { |
1937 | .group = DEVLINK_TRAP_GROUP_GENERIC(ACL_SAMPLE, 0), |
1938 | .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PKT_SAMPLE, |
1939 | .priority = 0, |
1940 | .fixed_policer = true, |
1941 | }, |
1942 | }; |
1943 | |
1944 | static const struct mlxsw_sp_trap_item |
1945 | mlxsw_sp2_trap_items_arr[] = { |
1946 | { |
1947 | .trap = MLXSW_SP_TRAP_BUFFER_DROP(EARLY_DROP), |
1948 | .listeners_arr = { |
1949 | MLXSW_SP_RXL_BUFFER_DISCARD(INGRESS_WRED), |
1950 | }, |
1951 | .is_source = true, |
1952 | }, |
1953 | { |
1954 | .trap = MLXSW_SP_TRAP_CONTROL(FLOW_ACTION_SAMPLE, ACL_SAMPLE, |
1955 | MIRROR), |
1956 | .listeners_arr = { |
1957 | MLXSW_RXL_MIRROR(mlxsw_sp_rx_sample_listener, 1, |
1958 | SP_PKT_SAMPLE, |
1959 | MLXSW_SP_MIRROR_REASON_INGRESS), |
1960 | MLXSW_RXL_MIRROR(mlxsw_sp_rx_sample_tx_listener, 1, |
1961 | SP_PKT_SAMPLE, |
1962 | MLXSW_SP_MIRROR_REASON_EGRESS), |
1963 | MLXSW_RXL_MIRROR(mlxsw_sp_rx_sample_acl_listener, 1, |
1964 | SP_PKT_SAMPLE, |
1965 | MLXSW_SP_MIRROR_REASON_POLICY_ENGINE), |
1966 | }, |
1967 | }, |
1968 | }; |
1969 | |
1970 | static int |
1971 | mlxsw_sp2_trap_groups_init(struct mlxsw_sp *mlxsw_sp, |
1972 | const struct mlxsw_sp_trap_group_item **arr, |
1973 | size_t *p_groups_count) |
1974 | { |
1975 | *arr = mlxsw_sp2_trap_group_items_arr; |
1976 | *p_groups_count = ARRAY_SIZE(mlxsw_sp2_trap_group_items_arr); |
1977 | |
1978 | return 0; |
1979 | } |
1980 | |
1981 | static int mlxsw_sp2_traps_init(struct mlxsw_sp *mlxsw_sp, |
1982 | const struct mlxsw_sp_trap_item **arr, |
1983 | size_t *p_traps_count) |
1984 | { |
1985 | *arr = mlxsw_sp2_trap_items_arr; |
1986 | *p_traps_count = ARRAY_SIZE(mlxsw_sp2_trap_items_arr); |
1987 | |
1988 | return 0; |
1989 | } |
1990 | |
1991 | const struct mlxsw_sp_trap_ops mlxsw_sp2_trap_ops = { |
1992 | .groups_init = mlxsw_sp2_trap_groups_init, |
1993 | .traps_init = mlxsw_sp2_traps_init, |
1994 | }; |
1995 | |