Loading...
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2013 - 2018 Intel Corporation. */
3
4#ifdef CONFIG_DEBUG_FS
5
6#include <linux/fs.h>
7#include <linux/debugfs.h>
8
9#include "i40e.h"
10
11static struct dentry *i40e_dbg_root;
12
13/**
14 * i40e_dbg_find_vsi - searches for the vsi with the given seid
15 * @pf: the PF structure to search for the vsi
16 * @seid: seid of the vsi it is searching for
17 **/
18static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
19{
20 int i;
21
22 if (seid < 0)
23 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
24 else
25 for (i = 0; i < pf->num_alloc_vsi; i++)
26 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
27 return pf->vsi[i];
28
29 return NULL;
30}
31
32/**
33 * i40e_dbg_find_veb - searches for the veb with the given seid
34 * @pf: the PF structure to search for the veb
35 * @seid: seid of the veb it is searching for
36 **/
37static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
38{
39 int i;
40
41 for (i = 0; i < I40E_MAX_VEB; i++)
42 if (pf->veb[i] && pf->veb[i]->seid == seid)
43 return pf->veb[i];
44 return NULL;
45}
46
47/**************************************************************
48 * command
49 * The command entry in debugfs is for giving the driver commands
50 * to be executed - these may be for changing the internal switch
51 * setup, adding or removing filters, or other things. Many of
52 * these will be useful for some forms of unit testing.
53 **************************************************************/
54static char i40e_dbg_command_buf[256] = "";
55
56/**
57 * i40e_dbg_command_read - read for command datum
58 * @filp: the opened file
59 * @buffer: where to write the data for the user to read
60 * @count: the size of the user's buffer
61 * @ppos: file position offset
62 **/
63static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
64 size_t count, loff_t *ppos)
65{
66 struct i40e_pf *pf = filp->private_data;
67 int bytes_not_copied;
68 int buf_size = 256;
69 char *buf;
70 int len;
71
72 /* don't allow partial reads */
73 if (*ppos != 0)
74 return 0;
75 if (count < buf_size)
76 return -ENOSPC;
77
78 buf = kzalloc(buf_size, GFP_KERNEL);
79 if (!buf)
80 return -ENOSPC;
81
82 len = snprintf(buf, buf_size, "%s: %s\n",
83 pf->vsi[pf->lan_vsi]->netdev->name,
84 i40e_dbg_command_buf);
85
86 bytes_not_copied = copy_to_user(buffer, buf, len);
87 kfree(buf);
88
89 if (bytes_not_copied)
90 return -EFAULT;
91
92 *ppos = len;
93 return len;
94}
95
96static char *i40e_filter_state_string[] = {
97 "INVALID",
98 "NEW",
99 "ACTIVE",
100 "FAILED",
101 "REMOVE",
102};
103
104/**
105 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
106 * @pf: the i40e_pf created in command write
107 * @seid: the seid the user put in
108 **/
109static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
110{
111 struct rtnl_link_stats64 *nstat;
112 struct i40e_mac_filter *f;
113 struct i40e_vsi *vsi;
114 int i, bkt;
115
116 vsi = i40e_dbg_find_vsi(pf, seid);
117 if (!vsi) {
118 dev_info(&pf->pdev->dev,
119 "dump %d: seid not found\n", seid);
120 return;
121 }
122 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
123 if (vsi->netdev) {
124 struct net_device *nd = vsi->netdev;
125
126 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
127 nd->name, nd->state, nd->flags);
128 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
129 (unsigned long int)nd->features);
130 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
131 (unsigned long int)nd->hw_features);
132 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
133 (unsigned long int)nd->vlan_features);
134 }
135 dev_info(&pf->pdev->dev,
136 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
137 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
138 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++)
139 dev_info(&pf->pdev->dev,
140 " state[%d] = %08lx\n",
141 i, vsi->state[i]);
142 if (vsi == pf->vsi[pf->lan_vsi])
143 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
144 pf->hw.mac.addr,
145 pf->hw.mac.san_addr,
146 pf->hw.mac.port_addr);
147 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
148 dev_info(&pf->pdev->dev,
149 " mac_filter_hash: %pM vid=%d, state %s\n",
150 f->macaddr, f->vlan,
151 i40e_filter_state_string[f->state]);
152 }
153 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n",
154 vsi->active_filters, vsi->promisc_threshold,
155 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ?
156 "ON" : "OFF"));
157 nstat = i40e_get_vsi_stats_struct(vsi);
158 dev_info(&pf->pdev->dev,
159 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
160 (unsigned long int)nstat->rx_packets,
161 (unsigned long int)nstat->rx_bytes,
162 (unsigned long int)nstat->rx_errors,
163 (unsigned long int)nstat->rx_dropped);
164 dev_info(&pf->pdev->dev,
165 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
166 (unsigned long int)nstat->tx_packets,
167 (unsigned long int)nstat->tx_bytes,
168 (unsigned long int)nstat->tx_errors,
169 (unsigned long int)nstat->tx_dropped);
170 dev_info(&pf->pdev->dev,
171 " net_stats: multicast = %lu, collisions = %lu\n",
172 (unsigned long int)nstat->multicast,
173 (unsigned long int)nstat->collisions);
174 dev_info(&pf->pdev->dev,
175 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
176 (unsigned long int)nstat->rx_length_errors,
177 (unsigned long int)nstat->rx_over_errors,
178 (unsigned long int)nstat->rx_crc_errors);
179 dev_info(&pf->pdev->dev,
180 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
181 (unsigned long int)nstat->rx_frame_errors,
182 (unsigned long int)nstat->rx_fifo_errors,
183 (unsigned long int)nstat->rx_missed_errors);
184 dev_info(&pf->pdev->dev,
185 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
186 (unsigned long int)nstat->tx_aborted_errors,
187 (unsigned long int)nstat->tx_carrier_errors,
188 (unsigned long int)nstat->tx_fifo_errors);
189 dev_info(&pf->pdev->dev,
190 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
191 (unsigned long int)nstat->tx_heartbeat_errors,
192 (unsigned long int)nstat->tx_window_errors);
193 dev_info(&pf->pdev->dev,
194 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
195 (unsigned long int)nstat->rx_compressed,
196 (unsigned long int)nstat->tx_compressed);
197 dev_info(&pf->pdev->dev,
198 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
199 (unsigned long int)vsi->net_stats_offsets.rx_packets,
200 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
201 (unsigned long int)vsi->net_stats_offsets.rx_errors,
202 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
203 dev_info(&pf->pdev->dev,
204 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
205 (unsigned long int)vsi->net_stats_offsets.tx_packets,
206 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
207 (unsigned long int)vsi->net_stats_offsets.tx_errors,
208 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
209 dev_info(&pf->pdev->dev,
210 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
211 (unsigned long int)vsi->net_stats_offsets.multicast,
212 (unsigned long int)vsi->net_stats_offsets.collisions);
213 dev_info(&pf->pdev->dev,
214 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
215 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
216 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
217 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
218 dev_info(&pf->pdev->dev,
219 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
220 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
221 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
222 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
223 dev_info(&pf->pdev->dev,
224 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
225 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
226 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
227 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
228 dev_info(&pf->pdev->dev,
229 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
230 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
231 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
232 dev_info(&pf->pdev->dev,
233 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
234 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
235 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
236 dev_info(&pf->pdev->dev,
237 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
238 vsi->tx_restart, vsi->tx_busy,
239 vsi->rx_buf_failed, vsi->rx_page_failed);
240 rcu_read_lock();
241 for (i = 0; i < vsi->num_queue_pairs; i++) {
242 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]);
243
244 if (!rx_ring)
245 continue;
246
247 dev_info(&pf->pdev->dev,
248 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
249 i, *rx_ring->state,
250 rx_ring->queue_index,
251 rx_ring->reg_idx);
252 dev_info(&pf->pdev->dev,
253 " rx_rings[%i]: rx_buf_len = %d\n",
254 i, rx_ring->rx_buf_len);
255 dev_info(&pf->pdev->dev,
256 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
257 i,
258 rx_ring->next_to_use,
259 rx_ring->next_to_clean,
260 rx_ring->ring_active);
261 dev_info(&pf->pdev->dev,
262 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
263 i, rx_ring->stats.packets,
264 rx_ring->stats.bytes,
265 rx_ring->rx_stats.non_eop_descs);
266 dev_info(&pf->pdev->dev,
267 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
268 i,
269 rx_ring->rx_stats.alloc_page_failed,
270 rx_ring->rx_stats.alloc_buff_failed);
271 dev_info(&pf->pdev->dev,
272 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
273 i,
274 rx_ring->rx_stats.realloc_count,
275 rx_ring->rx_stats.page_reuse_count);
276 dev_info(&pf->pdev->dev,
277 " rx_rings[%i]: size = %i\n",
278 i, rx_ring->size);
279 dev_info(&pf->pdev->dev,
280 " rx_rings[%i]: itr_setting = %d (%s)\n",
281 i, rx_ring->itr_setting,
282 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed");
283 }
284 for (i = 0; i < vsi->num_queue_pairs; i++) {
285 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
286
287 if (!tx_ring)
288 continue;
289
290 dev_info(&pf->pdev->dev,
291 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
292 i, *tx_ring->state,
293 tx_ring->queue_index,
294 tx_ring->reg_idx);
295 dev_info(&pf->pdev->dev,
296 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
297 i,
298 tx_ring->next_to_use,
299 tx_ring->next_to_clean,
300 tx_ring->ring_active);
301 dev_info(&pf->pdev->dev,
302 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
303 i, tx_ring->stats.packets,
304 tx_ring->stats.bytes,
305 tx_ring->tx_stats.restart_queue);
306 dev_info(&pf->pdev->dev,
307 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
308 i,
309 tx_ring->tx_stats.tx_busy,
310 tx_ring->tx_stats.tx_done_old);
311 dev_info(&pf->pdev->dev,
312 " tx_rings[%i]: size = %i\n",
313 i, tx_ring->size);
314 dev_info(&pf->pdev->dev,
315 " tx_rings[%i]: DCB tc = %d\n",
316 i, tx_ring->dcb_tc);
317 dev_info(&pf->pdev->dev,
318 " tx_rings[%i]: itr_setting = %d (%s)\n",
319 i, tx_ring->itr_setting,
320 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
321 }
322 rcu_read_unlock();
323 dev_info(&pf->pdev->dev,
324 " work_limit = %d\n",
325 vsi->work_limit);
326 dev_info(&pf->pdev->dev,
327 " max_frame = %d, rx_buf_len = %d dtype = %d\n",
328 vsi->max_frame, vsi->rx_buf_len, 0);
329 dev_info(&pf->pdev->dev,
330 " num_q_vectors = %i, base_vector = %i\n",
331 vsi->num_q_vectors, vsi->base_vector);
332 dev_info(&pf->pdev->dev,
333 " seid = %d, id = %d, uplink_seid = %d\n",
334 vsi->seid, vsi->id, vsi->uplink_seid);
335 dev_info(&pf->pdev->dev,
336 " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n",
337 vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc,
338 vsi->num_rx_desc);
339 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
340 if (vsi->type == I40E_VSI_SRIOV)
341 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id);
342 dev_info(&pf->pdev->dev,
343 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
344 vsi->info.valid_sections, vsi->info.switch_id);
345 dev_info(&pf->pdev->dev,
346 " info: sw_reserved[] = 0x%02x 0x%02x\n",
347 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
348 dev_info(&pf->pdev->dev,
349 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
350 vsi->info.sec_flags, vsi->info.sec_reserved);
351 dev_info(&pf->pdev->dev,
352 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
353 vsi->info.pvid, vsi->info.fcoe_pvid,
354 vsi->info.port_vlan_flags);
355 dev_info(&pf->pdev->dev,
356 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
357 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
358 vsi->info.pvlan_reserved[2]);
359 dev_info(&pf->pdev->dev,
360 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
361 vsi->info.ingress_table, vsi->info.egress_table);
362 dev_info(&pf->pdev->dev,
363 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
364 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
365 vsi->info.cas_pv_reserved);
366 dev_info(&pf->pdev->dev,
367 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
368 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
369 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
370 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
371 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
372 dev_info(&pf->pdev->dev,
373 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
374 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
375 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
376 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
377 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
378 dev_info(&pf->pdev->dev,
379 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
380 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
381 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
382 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
383 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
384 dev_info(&pf->pdev->dev,
385 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
386 vsi->info.queueing_opt_flags,
387 vsi->info.queueing_opt_reserved[0],
388 vsi->info.queueing_opt_reserved[1],
389 vsi->info.queueing_opt_reserved[2]);
390 dev_info(&pf->pdev->dev,
391 " info: up_enable_bits = 0x%02x\n",
392 vsi->info.up_enable_bits);
393 dev_info(&pf->pdev->dev,
394 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
395 vsi->info.sched_reserved, vsi->info.outer_up_table);
396 dev_info(&pf->pdev->dev,
397 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
398 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
399 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
400 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
401 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
402 dev_info(&pf->pdev->dev,
403 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
404 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
405 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
406 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
407 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
408 dev_info(&pf->pdev->dev,
409 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
410 vsi->info.stat_counter_idx, vsi->info.sched_id);
411 dev_info(&pf->pdev->dev,
412 " info: resp_reserved[] = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
413 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
414 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
415 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
416 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
417 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
418 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
419 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
420 dev_info(&pf->pdev->dev,
421 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
422 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
423 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
424 dev_info(&pf->pdev->dev,
425 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
426 i, vsi->tc_config.tc_info[i].qoffset,
427 vsi->tc_config.tc_info[i].qcount,
428 vsi->tc_config.tc_info[i].netdev_tc);
429 }
430 dev_info(&pf->pdev->dev,
431 " bw: bw_limit = %d, bw_max_quanta = %d\n",
432 vsi->bw_limit, vsi->bw_max_quanta);
433 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
434 dev_info(&pf->pdev->dev,
435 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
436 i, vsi->bw_ets_share_credits[i],
437 vsi->bw_ets_limit_credits[i],
438 vsi->bw_ets_max_quanta[i]);
439 }
440}
441
442/**
443 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
444 * @pf: the i40e_pf created in command write
445 **/
446static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
447{
448 struct i40e_adminq_ring *ring;
449 struct i40e_hw *hw = &pf->hw;
450 char hdr[32];
451 int i;
452
453 snprintf(hdr, sizeof(hdr), "%s %s: ",
454 dev_driver_string(&pf->pdev->dev),
455 dev_name(&pf->pdev->dev));
456
457 /* first the send (command) ring, then the receive (event) ring */
458 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
459 ring = &(hw->aq.asq);
460 for (i = 0; i < ring->count; i++) {
461 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
462
463 dev_info(&pf->pdev->dev,
464 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
465 i, d->flags, d->opcode, d->datalen, d->retval,
466 d->cookie_high, d->cookie_low);
467 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
468 16, 1, d->params.raw, 16, 0);
469 }
470
471 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
472 ring = &(hw->aq.arq);
473 for (i = 0; i < ring->count; i++) {
474 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
475
476 dev_info(&pf->pdev->dev,
477 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
478 i, d->flags, d->opcode, d->datalen, d->retval,
479 d->cookie_high, d->cookie_low);
480 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
481 16, 1, d->params.raw, 16, 0);
482 }
483}
484
485/**
486 * i40e_dbg_dump_desc - handles dump desc write into command datum
487 * @cnt: number of arguments that the user supplied
488 * @vsi_seid: vsi id entered by user
489 * @ring_id: ring id entered by user
490 * @desc_n: descriptor number entered by user
491 * @pf: the i40e_pf created in command write
492 * @is_rx_ring: true if rx, false if tx
493 **/
494static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
495 struct i40e_pf *pf, bool is_rx_ring)
496{
497 struct i40e_tx_desc *txd;
498 union i40e_rx_desc *rxd;
499 struct i40e_ring *ring;
500 struct i40e_vsi *vsi;
501 int i;
502
503 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
504 if (!vsi) {
505 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
506 return;
507 }
508 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
509 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
510 return;
511 }
512 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
513 dev_info(&pf->pdev->dev,
514 "descriptor rings have not been allocated for vsi %d\n",
515 vsi_seid);
516 return;
517 }
518
519 ring = kmemdup(is_rx_ring
520 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
521 sizeof(*ring), GFP_KERNEL);
522 if (!ring)
523 return;
524
525 if (cnt == 2) {
526 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
527 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
528 for (i = 0; i < ring->count; i++) {
529 if (!is_rx_ring) {
530 txd = I40E_TX_DESC(ring, i);
531 dev_info(&pf->pdev->dev,
532 " d[%03x] = 0x%016llx 0x%016llx\n",
533 i, txd->buffer_addr,
534 txd->cmd_type_offset_bsz);
535 } else {
536 rxd = I40E_RX_DESC(ring, i);
537 dev_info(&pf->pdev->dev,
538 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
539 i, rxd->read.pkt_addr,
540 rxd->read.hdr_addr,
541 rxd->read.rsvd1, rxd->read.rsvd2);
542 }
543 }
544 } else if (cnt == 3) {
545 if (desc_n >= ring->count || desc_n < 0) {
546 dev_info(&pf->pdev->dev,
547 "descriptor %d not found\n", desc_n);
548 goto out;
549 }
550 if (!is_rx_ring) {
551 txd = I40E_TX_DESC(ring, desc_n);
552 dev_info(&pf->pdev->dev,
553 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
554 vsi_seid, ring_id, desc_n,
555 txd->buffer_addr, txd->cmd_type_offset_bsz);
556 } else {
557 rxd = I40E_RX_DESC(ring, desc_n);
558 dev_info(&pf->pdev->dev,
559 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
560 vsi_seid, ring_id, desc_n,
561 rxd->read.pkt_addr, rxd->read.hdr_addr,
562 rxd->read.rsvd1, rxd->read.rsvd2);
563 }
564 } else {
565 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
566 }
567
568out:
569 kfree(ring);
570}
571
572/**
573 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
574 * @pf: the i40e_pf created in command write
575 **/
576static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
577{
578 int i;
579
580 for (i = 0; i < pf->num_alloc_vsi; i++)
581 if (pf->vsi[i])
582 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
583 i, pf->vsi[i]->seid);
584}
585
586/**
587 * i40e_dbg_dump_stats - handles dump stats write into command datum
588 * @pf: the i40e_pf created in command write
589 * @estats: the eth stats structure to be dumped
590 **/
591static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
592 struct i40e_eth_stats *estats)
593{
594 dev_info(&pf->pdev->dev, " ethstats:\n");
595 dev_info(&pf->pdev->dev,
596 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
597 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
598 dev_info(&pf->pdev->dev,
599 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
600 estats->rx_broadcast, estats->rx_discards);
601 dev_info(&pf->pdev->dev,
602 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
603 estats->rx_unknown_protocol, estats->tx_bytes);
604 dev_info(&pf->pdev->dev,
605 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
606 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
607 dev_info(&pf->pdev->dev,
608 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
609 estats->tx_discards, estats->tx_errors);
610}
611
612/**
613 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
614 * @pf: the i40e_pf created in command write
615 * @seid: the seid the user put in
616 **/
617static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
618{
619 struct i40e_veb *veb;
620
621 veb = i40e_dbg_find_veb(pf, seid);
622 if (!veb) {
623 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
624 return;
625 }
626 dev_info(&pf->pdev->dev,
627 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
628 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
629 veb->uplink_seid,
630 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
631 i40e_dbg_dump_eth_stats(pf, &veb->stats);
632}
633
634/**
635 * i40e_dbg_dump_veb_all - dumps all known veb's stats
636 * @pf: the i40e_pf created in command write
637 **/
638static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
639{
640 struct i40e_veb *veb;
641 int i;
642
643 for (i = 0; i < I40E_MAX_VEB; i++) {
644 veb = pf->veb[i];
645 if (veb)
646 i40e_dbg_dump_veb_seid(pf, veb->seid);
647 }
648}
649
650/**
651 * i40e_dbg_dump_vf - dump VF info
652 * @pf: the i40e_pf created in command write
653 * @vf_id: the vf_id from the user
654 **/
655static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
656{
657 struct i40e_vf *vf;
658 struct i40e_vsi *vsi;
659
660 if (!pf->num_alloc_vfs) {
661 dev_info(&pf->pdev->dev, "no VFs allocated\n");
662 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
663 vf = &pf->vf[vf_id];
664 vsi = pf->vsi[vf->lan_vsi_idx];
665 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
666 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
667 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
668 vf->num_mdd_events,
669 vf->num_invalid_msgs,
670 vf->num_valid_msgs);
671 } else {
672 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
673 }
674}
675
676/**
677 * i40e_dbg_dump_vf_all - dump VF info for all VFs
678 * @pf: the i40e_pf created in command write
679 **/
680static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
681{
682 int i;
683
684 if (!pf->num_alloc_vfs)
685 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
686 else
687 for (i = 0; i < pf->num_alloc_vfs; i++)
688 i40e_dbg_dump_vf(pf, i);
689}
690
691#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
692/**
693 * i40e_dbg_command_write - write into command datum
694 * @filp: the opened file
695 * @buffer: where to find the user's data
696 * @count: the length of the user's data
697 * @ppos: file position offset
698 **/
699static ssize_t i40e_dbg_command_write(struct file *filp,
700 const char __user *buffer,
701 size_t count, loff_t *ppos)
702{
703 struct i40e_pf *pf = filp->private_data;
704 char *cmd_buf, *cmd_buf_tmp;
705 int bytes_not_copied;
706 struct i40e_vsi *vsi;
707 int vsi_seid;
708 int veb_seid;
709 int vf_id;
710 int cnt;
711
712 /* don't allow partial writes */
713 if (*ppos != 0)
714 return 0;
715
716 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
717 if (!cmd_buf)
718 return count;
719 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
720 if (bytes_not_copied) {
721 kfree(cmd_buf);
722 return -EFAULT;
723 }
724 cmd_buf[count] = '\0';
725
726 cmd_buf_tmp = strchr(cmd_buf, '\n');
727 if (cmd_buf_tmp) {
728 *cmd_buf_tmp = '\0';
729 count = cmd_buf_tmp - cmd_buf + 1;
730 }
731
732 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
733 vsi_seid = -1;
734 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
735 if (cnt == 0) {
736 /* default to PF VSI */
737 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
738 } else if (vsi_seid < 0) {
739 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
740 vsi_seid);
741 goto command_write_done;
742 }
743
744 /* By default we are in VEPA mode, if this is the first VF/VMDq
745 * VSI to be added switch to VEB mode.
746 */
747 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
748 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
749 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
750 }
751
752 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
753 if (vsi)
754 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
755 vsi->seid, vsi->uplink_seid);
756 else
757 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
758
759 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
760 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
761 if (cnt != 1) {
762 dev_info(&pf->pdev->dev,
763 "del vsi: bad command string, cnt=%d\n",
764 cnt);
765 goto command_write_done;
766 }
767 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
768 if (!vsi) {
769 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
770 vsi_seid);
771 goto command_write_done;
772 }
773
774 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
775 i40e_vsi_release(vsi);
776
777 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
778 struct i40e_veb *veb;
779 int uplink_seid, i;
780
781 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
782 if (cnt != 2) {
783 dev_info(&pf->pdev->dev,
784 "add relay: bad command string, cnt=%d\n",
785 cnt);
786 goto command_write_done;
787 } else if (uplink_seid < 0) {
788 dev_info(&pf->pdev->dev,
789 "add relay %d: bad uplink seid\n",
790 uplink_seid);
791 goto command_write_done;
792 }
793
794 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
795 if (!vsi) {
796 dev_info(&pf->pdev->dev,
797 "add relay: VSI %d not found\n", vsi_seid);
798 goto command_write_done;
799 }
800
801 for (i = 0; i < I40E_MAX_VEB; i++)
802 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
803 break;
804 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
805 uplink_seid != pf->mac_seid) {
806 dev_info(&pf->pdev->dev,
807 "add relay: relay uplink %d not found\n",
808 uplink_seid);
809 goto command_write_done;
810 }
811
812 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
813 vsi->tc_config.enabled_tc);
814 if (veb)
815 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
816 else
817 dev_info(&pf->pdev->dev, "add relay failed\n");
818
819 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
820 int i;
821 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
822 if (cnt != 1) {
823 dev_info(&pf->pdev->dev,
824 "del relay: bad command string, cnt=%d\n",
825 cnt);
826 goto command_write_done;
827 } else if (veb_seid < 0) {
828 dev_info(&pf->pdev->dev,
829 "del relay %d: bad relay seid\n", veb_seid);
830 goto command_write_done;
831 }
832
833 /* find the veb */
834 for (i = 0; i < I40E_MAX_VEB; i++)
835 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
836 break;
837 if (i >= I40E_MAX_VEB) {
838 dev_info(&pf->pdev->dev,
839 "del relay: relay %d not found\n", veb_seid);
840 goto command_write_done;
841 }
842
843 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
844 i40e_veb_release(pf->veb[i]);
845 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
846 i40e_status ret;
847 u16 vid;
848 unsigned int v;
849
850 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
851 if (cnt != 2) {
852 dev_info(&pf->pdev->dev,
853 "add pvid: bad command string, cnt=%d\n", cnt);
854 goto command_write_done;
855 }
856
857 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
858 if (!vsi) {
859 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
860 vsi_seid);
861 goto command_write_done;
862 }
863
864 vid = v;
865 ret = i40e_vsi_add_pvid(vsi, vid);
866 if (!ret)
867 dev_info(&pf->pdev->dev,
868 "add pvid: %d added to VSI %d\n",
869 vid, vsi_seid);
870 else
871 dev_info(&pf->pdev->dev,
872 "add pvid: %d to VSI %d failed, ret=%d\n",
873 vid, vsi_seid, ret);
874
875 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
876
877 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
878 if (cnt != 1) {
879 dev_info(&pf->pdev->dev,
880 "del pvid: bad command string, cnt=%d\n",
881 cnt);
882 goto command_write_done;
883 }
884
885 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
886 if (!vsi) {
887 dev_info(&pf->pdev->dev,
888 "del pvid: VSI %d not found\n", vsi_seid);
889 goto command_write_done;
890 }
891
892 i40e_vsi_remove_pvid(vsi);
893 dev_info(&pf->pdev->dev,
894 "del pvid: removed from VSI %d\n", vsi_seid);
895
896 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
897 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
898 i40e_fetch_switch_configuration(pf, true);
899 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
900 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
901 if (cnt > 0)
902 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
903 else
904 i40e_dbg_dump_vsi_no_seid(pf);
905 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
906 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
907 if (cnt > 0)
908 i40e_dbg_dump_veb_seid(pf, vsi_seid);
909 else
910 i40e_dbg_dump_veb_all(pf);
911 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
912 cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
913 if (cnt > 0)
914 i40e_dbg_dump_vf(pf, vf_id);
915 else
916 i40e_dbg_dump_vf_all(pf);
917 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
918 int ring_id, desc_n;
919 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
920 cnt = sscanf(&cmd_buf[12], "%i %i %i",
921 &vsi_seid, &ring_id, &desc_n);
922 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
923 desc_n, pf, true);
924 } else if (strncmp(&cmd_buf[10], "tx", 2)
925 == 0) {
926 cnt = sscanf(&cmd_buf[12], "%i %i %i",
927 &vsi_seid, &ring_id, &desc_n);
928 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
929 desc_n, pf, false);
930 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
931 i40e_dbg_dump_aq_desc(pf);
932 } else {
933 dev_info(&pf->pdev->dev,
934 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
935 dev_info(&pf->pdev->dev,
936 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
937 dev_info(&pf->pdev->dev, "dump desc aq\n");
938 }
939 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
940 dev_info(&pf->pdev->dev,
941 "core reset count: %d\n", pf->corer_count);
942 dev_info(&pf->pdev->dev,
943 "global reset count: %d\n", pf->globr_count);
944 dev_info(&pf->pdev->dev,
945 "emp reset count: %d\n", pf->empr_count);
946 dev_info(&pf->pdev->dev,
947 "pf reset count: %d\n", pf->pfr_count);
948 dev_info(&pf->pdev->dev,
949 "pf tx sluggish count: %d\n",
950 pf->tx_sluggish_count);
951 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
952 struct i40e_aqc_query_port_ets_config_resp *bw_data;
953 struct i40e_dcbx_config *cfg =
954 &pf->hw.local_dcbx_config;
955 struct i40e_dcbx_config *r_cfg =
956 &pf->hw.remote_dcbx_config;
957 int i, ret;
958 u16 switch_id;
959
960 bw_data = kzalloc(sizeof(
961 struct i40e_aqc_query_port_ets_config_resp),
962 GFP_KERNEL);
963 if (!bw_data) {
964 ret = -ENOMEM;
965 goto command_write_done;
966 }
967
968 vsi = pf->vsi[pf->lan_vsi];
969 switch_id =
970 le16_to_cpu(vsi->info.switch_id) &
971 I40E_AQ_VSI_SW_ID_MASK;
972
973 ret = i40e_aq_query_port_ets_config(&pf->hw,
974 switch_id,
975 bw_data, NULL);
976 if (ret) {
977 dev_info(&pf->pdev->dev,
978 "Query Port ETS Config AQ command failed =0x%x\n",
979 pf->hw.aq.asq_last_status);
980 kfree(bw_data);
981 bw_data = NULL;
982 goto command_write_done;
983 }
984 dev_info(&pf->pdev->dev,
985 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
986 bw_data->tc_valid_bits,
987 bw_data->tc_strict_priority_bits,
988 le16_to_cpu(bw_data->tc_bw_max[0]),
989 le16_to_cpu(bw_data->tc_bw_max[1]));
990 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
991 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
992 bw_data->tc_bw_share_credits[i],
993 le16_to_cpu(bw_data->tc_bw_limits[i]));
994 }
995
996 kfree(bw_data);
997 bw_data = NULL;
998
999 dev_info(&pf->pdev->dev,
1000 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1001 dev_info(&pf->pdev->dev,
1002 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1003 cfg->etscfg.willing, cfg->etscfg.cbs,
1004 cfg->etscfg.maxtcs);
1005 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1006 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1007 i, cfg->etscfg.prioritytable[i],
1008 cfg->etscfg.tcbwtable[i],
1009 cfg->etscfg.tsatable[i]);
1010 }
1011 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1012 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1013 i, cfg->etsrec.prioritytable[i],
1014 cfg->etsrec.tcbwtable[i],
1015 cfg->etsrec.tsatable[i]);
1016 }
1017 dev_info(&pf->pdev->dev,
1018 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1019 cfg->pfc.willing, cfg->pfc.mbc,
1020 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1021 dev_info(&pf->pdev->dev,
1022 "port app_table: num_apps=%d\n", cfg->numapps);
1023 for (i = 0; i < cfg->numapps; i++) {
1024 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1025 i, cfg->app[i].priority,
1026 cfg->app[i].selector,
1027 cfg->app[i].protocolid);
1028 }
1029 /* Peer TLV DCBX data */
1030 dev_info(&pf->pdev->dev,
1031 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1032 r_cfg->etscfg.willing,
1033 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1034 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1035 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1036 i, r_cfg->etscfg.prioritytable[i],
1037 r_cfg->etscfg.tcbwtable[i],
1038 r_cfg->etscfg.tsatable[i]);
1039 }
1040 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1041 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1042 i, r_cfg->etsrec.prioritytable[i],
1043 r_cfg->etsrec.tcbwtable[i],
1044 r_cfg->etsrec.tsatable[i]);
1045 }
1046 dev_info(&pf->pdev->dev,
1047 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1048 r_cfg->pfc.willing,
1049 r_cfg->pfc.mbc,
1050 r_cfg->pfc.pfccap,
1051 r_cfg->pfc.pfcenable);
1052 dev_info(&pf->pdev->dev,
1053 "remote port app_table: num_apps=%d\n",
1054 r_cfg->numapps);
1055 for (i = 0; i < r_cfg->numapps; i++) {
1056 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1057 i, r_cfg->app[i].priority,
1058 r_cfg->app[i].selector,
1059 r_cfg->app[i].protocolid);
1060 }
1061 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1062 int cluster_id, table_id;
1063 int index, ret;
1064 u16 buff_len = 4096;
1065 u32 next_index;
1066 u8 next_table;
1067 u8 *buff;
1068 u16 rlen;
1069
1070 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1071 &cluster_id, &table_id, &index);
1072 if (cnt != 3) {
1073 dev_info(&pf->pdev->dev,
1074 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1075 goto command_write_done;
1076 }
1077
1078 dev_info(&pf->pdev->dev,
1079 "AQ debug dump fwdata params %x %x %x %x\n",
1080 cluster_id, table_id, index, buff_len);
1081 buff = kzalloc(buff_len, GFP_KERNEL);
1082 if (!buff)
1083 goto command_write_done;
1084
1085 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1086 index, buff_len, buff, &rlen,
1087 &next_table, &next_index,
1088 NULL);
1089 if (ret) {
1090 dev_info(&pf->pdev->dev,
1091 "debug dump fwdata AQ Failed %d 0x%x\n",
1092 ret, pf->hw.aq.asq_last_status);
1093 kfree(buff);
1094 buff = NULL;
1095 goto command_write_done;
1096 }
1097 dev_info(&pf->pdev->dev,
1098 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1099 rlen, next_table, next_index);
1100 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1101 DUMP_PREFIX_OFFSET, 16, 1,
1102 buff, rlen, true);
1103 kfree(buff);
1104 buff = NULL;
1105 } else {
1106 dev_info(&pf->pdev->dev,
1107 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1108 dev_info(&pf->pdev->dev, "dump switch\n");
1109 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1110 dev_info(&pf->pdev->dev, "dump reset stats\n");
1111 dev_info(&pf->pdev->dev, "dump port\n");
1112 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1113 dev_info(&pf->pdev->dev,
1114 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1115 }
1116 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1117 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1118 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1119
1120 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1121 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1122 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1123
1124 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1125 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1126 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1127
1128 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1129 u32 address;
1130 u32 value;
1131
1132 cnt = sscanf(&cmd_buf[4], "%i", &address);
1133 if (cnt != 1) {
1134 dev_info(&pf->pdev->dev, "read <reg>\n");
1135 goto command_write_done;
1136 }
1137
1138 /* check the range on address */
1139 if (address > (pf->ioremap_len - sizeof(u32))) {
1140 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1141 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1142 goto command_write_done;
1143 }
1144
1145 value = rd32(&pf->hw, address);
1146 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1147 address, value);
1148
1149 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1150 u32 address, value;
1151
1152 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1153 if (cnt != 2) {
1154 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1155 goto command_write_done;
1156 }
1157
1158 /* check the range on address */
1159 if (address > (pf->ioremap_len - sizeof(u32))) {
1160 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1161 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1162 goto command_write_done;
1163 }
1164 wr32(&pf->hw, address, value);
1165 value = rd32(&pf->hw, address);
1166 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1167 address, value);
1168 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1169 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1170 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1171 if (cnt == 0) {
1172 int i;
1173
1174 for (i = 0; i < pf->num_alloc_vsi; i++)
1175 i40e_vsi_reset_stats(pf->vsi[i]);
1176 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1177 } else if (cnt == 1) {
1178 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1179 if (!vsi) {
1180 dev_info(&pf->pdev->dev,
1181 "clear_stats vsi: bad vsi %d\n",
1182 vsi_seid);
1183 goto command_write_done;
1184 }
1185 i40e_vsi_reset_stats(vsi);
1186 dev_info(&pf->pdev->dev,
1187 "vsi clear stats called for vsi %d\n",
1188 vsi_seid);
1189 } else {
1190 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1191 }
1192 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1193 if (pf->hw.partition_id == 1) {
1194 i40e_pf_reset_stats(pf);
1195 dev_info(&pf->pdev->dev, "port stats cleared\n");
1196 } else {
1197 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1198 }
1199 } else {
1200 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1201 }
1202 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1203 struct i40e_aq_desc *desc;
1204 i40e_status ret;
1205
1206 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1207 if (!desc)
1208 goto command_write_done;
1209 cnt = sscanf(&cmd_buf[11],
1210 "%hi %hi %hi %hi %i %i %i %i %i %i",
1211 &desc->flags,
1212 &desc->opcode, &desc->datalen, &desc->retval,
1213 &desc->cookie_high, &desc->cookie_low,
1214 &desc->params.internal.param0,
1215 &desc->params.internal.param1,
1216 &desc->params.internal.param2,
1217 &desc->params.internal.param3);
1218 if (cnt != 10) {
1219 dev_info(&pf->pdev->dev,
1220 "send aq_cmd: bad command string, cnt=%d\n",
1221 cnt);
1222 kfree(desc);
1223 desc = NULL;
1224 goto command_write_done;
1225 }
1226 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1227 if (!ret) {
1228 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1229 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1230 dev_info(&pf->pdev->dev,
1231 "AQ command send failed Opcode %x AQ Error: %d\n",
1232 desc->opcode, pf->hw.aq.asq_last_status);
1233 } else {
1234 dev_info(&pf->pdev->dev,
1235 "AQ command send failed Opcode %x Status: %d\n",
1236 desc->opcode, ret);
1237 }
1238 dev_info(&pf->pdev->dev,
1239 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1240 desc->flags, desc->opcode, desc->datalen, desc->retval,
1241 desc->cookie_high, desc->cookie_low,
1242 desc->params.internal.param0,
1243 desc->params.internal.param1,
1244 desc->params.internal.param2,
1245 desc->params.internal.param3);
1246 kfree(desc);
1247 desc = NULL;
1248 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1249 struct i40e_aq_desc *desc;
1250 i40e_status ret;
1251 u16 buffer_len;
1252 u8 *buff;
1253
1254 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1255 if (!desc)
1256 goto command_write_done;
1257 cnt = sscanf(&cmd_buf[20],
1258 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1259 &desc->flags,
1260 &desc->opcode, &desc->datalen, &desc->retval,
1261 &desc->cookie_high, &desc->cookie_low,
1262 &desc->params.internal.param0,
1263 &desc->params.internal.param1,
1264 &desc->params.internal.param2,
1265 &desc->params.internal.param3,
1266 &buffer_len);
1267 if (cnt != 11) {
1268 dev_info(&pf->pdev->dev,
1269 "send indirect aq_cmd: bad command string, cnt=%d\n",
1270 cnt);
1271 kfree(desc);
1272 desc = NULL;
1273 goto command_write_done;
1274 }
1275 /* Just stub a buffer big enough in case user messed up */
1276 if (buffer_len == 0)
1277 buffer_len = 1280;
1278
1279 buff = kzalloc(buffer_len, GFP_KERNEL);
1280 if (!buff) {
1281 kfree(desc);
1282 desc = NULL;
1283 goto command_write_done;
1284 }
1285 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1286 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1287 buffer_len, NULL);
1288 if (!ret) {
1289 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1290 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1291 dev_info(&pf->pdev->dev,
1292 "AQ command send failed Opcode %x AQ Error: %d\n",
1293 desc->opcode, pf->hw.aq.asq_last_status);
1294 } else {
1295 dev_info(&pf->pdev->dev,
1296 "AQ command send failed Opcode %x Status: %d\n",
1297 desc->opcode, ret);
1298 }
1299 dev_info(&pf->pdev->dev,
1300 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1301 desc->flags, desc->opcode, desc->datalen, desc->retval,
1302 desc->cookie_high, desc->cookie_low,
1303 desc->params.internal.param0,
1304 desc->params.internal.param1,
1305 desc->params.internal.param2,
1306 desc->params.internal.param3);
1307 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1308 DUMP_PREFIX_OFFSET, 16, 1,
1309 buff, buffer_len, true);
1310 kfree(buff);
1311 buff = NULL;
1312 kfree(desc);
1313 desc = NULL;
1314 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1315 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1316 i40e_get_current_fd_count(pf));
1317 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1318 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1319 int ret;
1320
1321 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1322 if (ret) {
1323 dev_info(&pf->pdev->dev,
1324 "Stop LLDP AQ command failed =0x%x\n",
1325 pf->hw.aq.asq_last_status);
1326 goto command_write_done;
1327 }
1328 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1329 pf->hw.mac.addr,
1330 ETH_P_LLDP, 0,
1331 pf->vsi[pf->lan_vsi]->seid,
1332 0, true, NULL, NULL);
1333 if (ret) {
1334 dev_info(&pf->pdev->dev,
1335 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1336 __func__, pf->hw.aq.asq_last_status);
1337 goto command_write_done;
1338 }
1339#ifdef CONFIG_I40E_DCB
1340 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1341 DCB_CAP_DCBX_VER_IEEE;
1342#endif /* CONFIG_I40E_DCB */
1343 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1344 int ret;
1345
1346 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1347 pf->hw.mac.addr,
1348 ETH_P_LLDP, 0,
1349 pf->vsi[pf->lan_vsi]->seid,
1350 0, false, NULL, NULL);
1351 if (ret) {
1352 dev_info(&pf->pdev->dev,
1353 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1354 __func__, pf->hw.aq.asq_last_status);
1355 /* Continue and start FW LLDP anyways */
1356 }
1357
1358 ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1359 if (ret) {
1360 dev_info(&pf->pdev->dev,
1361 "Start LLDP AQ command failed =0x%x\n",
1362 pf->hw.aq.asq_last_status);
1363 goto command_write_done;
1364 }
1365#ifdef CONFIG_I40E_DCB
1366 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1367 DCB_CAP_DCBX_VER_IEEE;
1368#endif /* CONFIG_I40E_DCB */
1369 } else if (strncmp(&cmd_buf[5],
1370 "get local", 9) == 0) {
1371 u16 llen, rlen;
1372 int ret;
1373 u8 *buff;
1374
1375 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1376 if (!buff)
1377 goto command_write_done;
1378
1379 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1380 I40E_AQ_LLDP_MIB_LOCAL,
1381 buff, I40E_LLDPDU_SIZE,
1382 &llen, &rlen, NULL);
1383 if (ret) {
1384 dev_info(&pf->pdev->dev,
1385 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1386 pf->hw.aq.asq_last_status);
1387 kfree(buff);
1388 buff = NULL;
1389 goto command_write_done;
1390 }
1391 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1392 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1393 DUMP_PREFIX_OFFSET, 16, 1,
1394 buff, I40E_LLDPDU_SIZE, true);
1395 kfree(buff);
1396 buff = NULL;
1397 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1398 u16 llen, rlen;
1399 int ret;
1400 u8 *buff;
1401
1402 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1403 if (!buff)
1404 goto command_write_done;
1405
1406 ret = i40e_aq_get_lldp_mib(&pf->hw,
1407 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1408 I40E_AQ_LLDP_MIB_REMOTE,
1409 buff, I40E_LLDPDU_SIZE,
1410 &llen, &rlen, NULL);
1411 if (ret) {
1412 dev_info(&pf->pdev->dev,
1413 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1414 pf->hw.aq.asq_last_status);
1415 kfree(buff);
1416 buff = NULL;
1417 goto command_write_done;
1418 }
1419 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1420 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1421 DUMP_PREFIX_OFFSET, 16, 1,
1422 buff, I40E_LLDPDU_SIZE, true);
1423 kfree(buff);
1424 buff = NULL;
1425 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1426 int ret;
1427
1428 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1429 true, NULL);
1430 if (ret) {
1431 dev_info(&pf->pdev->dev,
1432 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1433 pf->hw.aq.asq_last_status);
1434 goto command_write_done;
1435 }
1436 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1437 int ret;
1438
1439 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1440 false, NULL);
1441 if (ret) {
1442 dev_info(&pf->pdev->dev,
1443 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1444 pf->hw.aq.asq_last_status);
1445 goto command_write_done;
1446 }
1447 }
1448 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1449 u16 buffer_len, bytes;
1450 u16 module;
1451 u32 offset;
1452 u16 *buff;
1453 int ret;
1454
1455 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1456 &module, &offset, &buffer_len);
1457 if (cnt == 0) {
1458 module = 0;
1459 offset = 0;
1460 buffer_len = 0;
1461 } else if (cnt == 1) {
1462 offset = 0;
1463 buffer_len = 0;
1464 } else if (cnt == 2) {
1465 buffer_len = 0;
1466 } else if (cnt > 3) {
1467 dev_info(&pf->pdev->dev,
1468 "nvm read: bad command string, cnt=%d\n", cnt);
1469 goto command_write_done;
1470 }
1471
1472 /* set the max length */
1473 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1474
1475 bytes = 2 * buffer_len;
1476
1477 /* read at least 1k bytes, no more than 4kB */
1478 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1479 buff = kzalloc(bytes, GFP_KERNEL);
1480 if (!buff)
1481 goto command_write_done;
1482
1483 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1484 if (ret) {
1485 dev_info(&pf->pdev->dev,
1486 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1487 ret, pf->hw.aq.asq_last_status);
1488 kfree(buff);
1489 goto command_write_done;
1490 }
1491
1492 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1493 bytes, (u8 *)buff, true, NULL);
1494 i40e_release_nvm(&pf->hw);
1495 if (ret) {
1496 dev_info(&pf->pdev->dev,
1497 "Read NVM AQ failed err=%d status=0x%x\n",
1498 ret, pf->hw.aq.asq_last_status);
1499 } else {
1500 dev_info(&pf->pdev->dev,
1501 "Read NVM module=0x%x offset=0x%x words=%d\n",
1502 module, offset, buffer_len);
1503 if (bytes)
1504 print_hex_dump(KERN_INFO, "NVM Dump: ",
1505 DUMP_PREFIX_OFFSET, 16, 2,
1506 buff, bytes, true);
1507 }
1508 kfree(buff);
1509 buff = NULL;
1510 } else {
1511 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1512 dev_info(&pf->pdev->dev, "available commands\n");
1513 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1514 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1515 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1516 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1517 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1518 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1519 dev_info(&pf->pdev->dev, " dump switch\n");
1520 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1521 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1522 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1523 dev_info(&pf->pdev->dev, " dump desc aq\n");
1524 dev_info(&pf->pdev->dev, " dump reset stats\n");
1525 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1526 dev_info(&pf->pdev->dev, " read <reg>\n");
1527 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1528 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1529 dev_info(&pf->pdev->dev, " clear_stats port\n");
1530 dev_info(&pf->pdev->dev, " pfr\n");
1531 dev_info(&pf->pdev->dev, " corer\n");
1532 dev_info(&pf->pdev->dev, " globr\n");
1533 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1534 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1535 dev_info(&pf->pdev->dev, " fd current cnt");
1536 dev_info(&pf->pdev->dev, " lldp start\n");
1537 dev_info(&pf->pdev->dev, " lldp stop\n");
1538 dev_info(&pf->pdev->dev, " lldp get local\n");
1539 dev_info(&pf->pdev->dev, " lldp get remote\n");
1540 dev_info(&pf->pdev->dev, " lldp event on\n");
1541 dev_info(&pf->pdev->dev, " lldp event off\n");
1542 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1543 }
1544
1545command_write_done:
1546 kfree(cmd_buf);
1547 cmd_buf = NULL;
1548 return count;
1549}
1550
1551static const struct file_operations i40e_dbg_command_fops = {
1552 .owner = THIS_MODULE,
1553 .open = simple_open,
1554 .read = i40e_dbg_command_read,
1555 .write = i40e_dbg_command_write,
1556};
1557
1558/**************************************************************
1559 * netdev_ops
1560 * The netdev_ops entry in debugfs is for giving the driver commands
1561 * to be executed from the netdev operations.
1562 **************************************************************/
1563static char i40e_dbg_netdev_ops_buf[256] = "";
1564
1565/**
1566 * i40e_dbg_netdev_ops - read for netdev_ops datum
1567 * @filp: the opened file
1568 * @buffer: where to write the data for the user to read
1569 * @count: the size of the user's buffer
1570 * @ppos: file position offset
1571 **/
1572static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1573 size_t count, loff_t *ppos)
1574{
1575 struct i40e_pf *pf = filp->private_data;
1576 int bytes_not_copied;
1577 int buf_size = 256;
1578 char *buf;
1579 int len;
1580
1581 /* don't allow partal reads */
1582 if (*ppos != 0)
1583 return 0;
1584 if (count < buf_size)
1585 return -ENOSPC;
1586
1587 buf = kzalloc(buf_size, GFP_KERNEL);
1588 if (!buf)
1589 return -ENOSPC;
1590
1591 len = snprintf(buf, buf_size, "%s: %s\n",
1592 pf->vsi[pf->lan_vsi]->netdev->name,
1593 i40e_dbg_netdev_ops_buf);
1594
1595 bytes_not_copied = copy_to_user(buffer, buf, len);
1596 kfree(buf);
1597
1598 if (bytes_not_copied)
1599 return -EFAULT;
1600
1601 *ppos = len;
1602 return len;
1603}
1604
1605/**
1606 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1607 * @filp: the opened file
1608 * @buffer: where to find the user's data
1609 * @count: the length of the user's data
1610 * @ppos: file position offset
1611 **/
1612static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1613 const char __user *buffer,
1614 size_t count, loff_t *ppos)
1615{
1616 struct i40e_pf *pf = filp->private_data;
1617 int bytes_not_copied;
1618 struct i40e_vsi *vsi;
1619 char *buf_tmp;
1620 int vsi_seid;
1621 int i, cnt;
1622
1623 /* don't allow partial writes */
1624 if (*ppos != 0)
1625 return 0;
1626 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1627 return -ENOSPC;
1628
1629 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1630 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1631 buffer, count);
1632 if (bytes_not_copied)
1633 return -EFAULT;
1634 i40e_dbg_netdev_ops_buf[count] = '\0';
1635
1636 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1637 if (buf_tmp) {
1638 *buf_tmp = '\0';
1639 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1640 }
1641
1642 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1643 int mtu;
1644
1645 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1646 &vsi_seid, &mtu);
1647 if (cnt != 2) {
1648 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1649 goto netdev_ops_write_done;
1650 }
1651 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1652 if (!vsi) {
1653 dev_info(&pf->pdev->dev,
1654 "change_mtu: VSI %d not found\n", vsi_seid);
1655 } else if (!vsi->netdev) {
1656 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1657 vsi_seid);
1658 } else if (rtnl_trylock()) {
1659 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1660 mtu);
1661 rtnl_unlock();
1662 dev_info(&pf->pdev->dev, "change_mtu called\n");
1663 } else {
1664 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1665 }
1666
1667 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1668 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1669 if (cnt != 1) {
1670 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1671 goto netdev_ops_write_done;
1672 }
1673 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1674 if (!vsi) {
1675 dev_info(&pf->pdev->dev,
1676 "set_rx_mode: VSI %d not found\n", vsi_seid);
1677 } else if (!vsi->netdev) {
1678 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1679 vsi_seid);
1680 } else if (rtnl_trylock()) {
1681 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1682 rtnl_unlock();
1683 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1684 } else {
1685 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1686 }
1687
1688 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1689 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1690 if (cnt != 1) {
1691 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1692 goto netdev_ops_write_done;
1693 }
1694 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1695 if (!vsi) {
1696 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1697 vsi_seid);
1698 } else if (!vsi->netdev) {
1699 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1700 vsi_seid);
1701 } else {
1702 for (i = 0; i < vsi->num_q_vectors; i++)
1703 napi_schedule(&vsi->q_vectors[i]->napi);
1704 dev_info(&pf->pdev->dev, "napi called\n");
1705 }
1706 } else {
1707 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1708 i40e_dbg_netdev_ops_buf);
1709 dev_info(&pf->pdev->dev, "available commands\n");
1710 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1711 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1712 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1713 }
1714netdev_ops_write_done:
1715 return count;
1716}
1717
1718static const struct file_operations i40e_dbg_netdev_ops_fops = {
1719 .owner = THIS_MODULE,
1720 .open = simple_open,
1721 .read = i40e_dbg_netdev_ops_read,
1722 .write = i40e_dbg_netdev_ops_write,
1723};
1724
1725/**
1726 * i40e_dbg_pf_init - setup the debugfs directory for the PF
1727 * @pf: the PF that is starting up
1728 **/
1729void i40e_dbg_pf_init(struct i40e_pf *pf)
1730{
1731 const char *name = pci_name(pf->pdev);
1732
1733 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1734
1735 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1736 &i40e_dbg_command_fops);
1737
1738 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1739 &i40e_dbg_netdev_ops_fops);
1740}
1741
1742/**
1743 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1744 * @pf: the PF that is stopping
1745 **/
1746void i40e_dbg_pf_exit(struct i40e_pf *pf)
1747{
1748 debugfs_remove_recursive(pf->i40e_dbg_pf);
1749 pf->i40e_dbg_pf = NULL;
1750}
1751
1752/**
1753 * i40e_dbg_init - start up debugfs for the driver
1754 **/
1755void i40e_dbg_init(void)
1756{
1757 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1758 if (!i40e_dbg_root)
1759 pr_info("init of debugfs failed\n");
1760}
1761
1762/**
1763 * i40e_dbg_exit - clean out the driver's debugfs entries
1764 **/
1765void i40e_dbg_exit(void)
1766{
1767 debugfs_remove_recursive(i40e_dbg_root);
1768 i40e_dbg_root = NULL;
1769}
1770
1771#endif /* CONFIG_DEBUG_FS */
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2013 - 2018 Intel Corporation. */
3
4#ifdef CONFIG_DEBUG_FS
5
6#include <linux/fs.h>
7#include <linux/debugfs.h>
8#include <linux/if_bridge.h>
9#include "i40e.h"
10#include "i40e_virtchnl_pf.h"
11
12static struct dentry *i40e_dbg_root;
13
14enum ring_type {
15 RING_TYPE_RX,
16 RING_TYPE_TX,
17 RING_TYPE_XDP
18};
19
20/**
21 * i40e_dbg_find_vsi - searches for the vsi with the given seid
22 * @pf: the PF structure to search for the vsi
23 * @seid: seid of the vsi it is searching for
24 **/
25static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
26{
27 if (seid < 0) {
28 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
29
30 return NULL;
31 }
32
33 return i40e_pf_get_vsi_by_seid(pf, seid);
34}
35
36/**************************************************************
37 * command
38 * The command entry in debugfs is for giving the driver commands
39 * to be executed - these may be for changing the internal switch
40 * setup, adding or removing filters, or other things. Many of
41 * these will be useful for some forms of unit testing.
42 **************************************************************/
43static char i40e_dbg_command_buf[256] = "";
44
45/**
46 * i40e_dbg_command_read - read for command datum
47 * @filp: the opened file
48 * @buffer: where to write the data for the user to read
49 * @count: the size of the user's buffer
50 * @ppos: file position offset
51 **/
52static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
53 size_t count, loff_t *ppos)
54{
55 struct i40e_pf *pf = filp->private_data;
56 int bytes_not_copied;
57 int buf_size = 256;
58 char *buf;
59 int len;
60
61 /* don't allow partial reads */
62 if (*ppos != 0)
63 return 0;
64 if (count < buf_size)
65 return -ENOSPC;
66
67 buf = kzalloc(buf_size, GFP_KERNEL);
68 if (!buf)
69 return -ENOSPC;
70
71 len = snprintf(buf, buf_size, "%s: %s\n",
72 pf->vsi[pf->lan_vsi]->netdev->name,
73 i40e_dbg_command_buf);
74
75 bytes_not_copied = copy_to_user(buffer, buf, len);
76 kfree(buf);
77
78 if (bytes_not_copied)
79 return -EFAULT;
80
81 *ppos = len;
82 return len;
83}
84
85static char *i40e_filter_state_string[] = {
86 "INVALID",
87 "NEW",
88 "ACTIVE",
89 "FAILED",
90 "REMOVE",
91};
92
93/**
94 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
95 * @pf: the i40e_pf created in command write
96 * @seid: the seid the user put in
97 **/
98static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
99{
100 struct rtnl_link_stats64 *nstat;
101 struct i40e_mac_filter *f;
102 struct i40e_vsi *vsi;
103 int i, bkt;
104
105 vsi = i40e_dbg_find_vsi(pf, seid);
106 if (!vsi) {
107 dev_info(&pf->pdev->dev,
108 "dump %d: seid not found\n", seid);
109 return;
110 }
111 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
112 if (vsi->netdev) {
113 struct net_device *nd = vsi->netdev;
114
115 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
116 nd->name, nd->state, nd->flags);
117 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
118 (unsigned long int)nd->features);
119 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
120 (unsigned long int)nd->hw_features);
121 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
122 (unsigned long int)nd->vlan_features);
123 }
124 dev_info(&pf->pdev->dev,
125 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
126 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
127 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++)
128 dev_info(&pf->pdev->dev,
129 " state[%d] = %08lx\n",
130 i, vsi->state[i]);
131 if (vsi == pf->vsi[pf->lan_vsi])
132 dev_info(&pf->pdev->dev, " MAC address: %pM Port MAC: %pM\n",
133 pf->hw.mac.addr,
134 pf->hw.mac.port_addr);
135 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
136 dev_info(&pf->pdev->dev,
137 " mac_filter_hash: %pM vid=%d, state %s\n",
138 f->macaddr, f->vlan,
139 i40e_filter_state_string[f->state]);
140 }
141 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n",
142 vsi->active_filters, vsi->promisc_threshold,
143 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ?
144 "ON" : "OFF"));
145 nstat = i40e_get_vsi_stats_struct(vsi);
146 dev_info(&pf->pdev->dev,
147 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
148 (unsigned long int)nstat->rx_packets,
149 (unsigned long int)nstat->rx_bytes,
150 (unsigned long int)nstat->rx_errors,
151 (unsigned long int)nstat->rx_dropped);
152 dev_info(&pf->pdev->dev,
153 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
154 (unsigned long int)nstat->tx_packets,
155 (unsigned long int)nstat->tx_bytes,
156 (unsigned long int)nstat->tx_errors,
157 (unsigned long int)nstat->tx_dropped);
158 dev_info(&pf->pdev->dev,
159 " net_stats: multicast = %lu, collisions = %lu\n",
160 (unsigned long int)nstat->multicast,
161 (unsigned long int)nstat->collisions);
162 dev_info(&pf->pdev->dev,
163 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
164 (unsigned long int)nstat->rx_length_errors,
165 (unsigned long int)nstat->rx_over_errors,
166 (unsigned long int)nstat->rx_crc_errors);
167 dev_info(&pf->pdev->dev,
168 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
169 (unsigned long int)nstat->rx_frame_errors,
170 (unsigned long int)nstat->rx_fifo_errors,
171 (unsigned long int)nstat->rx_missed_errors);
172 dev_info(&pf->pdev->dev,
173 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
174 (unsigned long int)nstat->tx_aborted_errors,
175 (unsigned long int)nstat->tx_carrier_errors,
176 (unsigned long int)nstat->tx_fifo_errors);
177 dev_info(&pf->pdev->dev,
178 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
179 (unsigned long int)nstat->tx_heartbeat_errors,
180 (unsigned long int)nstat->tx_window_errors);
181 dev_info(&pf->pdev->dev,
182 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
183 (unsigned long int)nstat->rx_compressed,
184 (unsigned long int)nstat->tx_compressed);
185 dev_info(&pf->pdev->dev,
186 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
187 (unsigned long int)vsi->net_stats_offsets.rx_packets,
188 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
189 (unsigned long int)vsi->net_stats_offsets.rx_errors,
190 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
191 dev_info(&pf->pdev->dev,
192 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
193 (unsigned long int)vsi->net_stats_offsets.tx_packets,
194 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
195 (unsigned long int)vsi->net_stats_offsets.tx_errors,
196 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
197 dev_info(&pf->pdev->dev,
198 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
199 (unsigned long int)vsi->net_stats_offsets.multicast,
200 (unsigned long int)vsi->net_stats_offsets.collisions);
201 dev_info(&pf->pdev->dev,
202 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
203 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
204 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
205 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
206 dev_info(&pf->pdev->dev,
207 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
208 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
209 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
210 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
211 dev_info(&pf->pdev->dev,
212 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
213 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
214 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
215 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
216 dev_info(&pf->pdev->dev,
217 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
218 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
219 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
220 dev_info(&pf->pdev->dev,
221 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
222 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
223 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
224 dev_info(&pf->pdev->dev,
225 " tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n",
226 vsi->tx_restart, vsi->tx_busy,
227 vsi->rx_buf_failed, vsi->rx_page_failed);
228 rcu_read_lock();
229 for (i = 0; i < vsi->num_queue_pairs; i++) {
230 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]);
231
232 if (!rx_ring)
233 continue;
234
235 dev_info(&pf->pdev->dev,
236 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
237 i, *rx_ring->state,
238 rx_ring->queue_index,
239 rx_ring->reg_idx);
240 dev_info(&pf->pdev->dev,
241 " rx_rings[%i]: rx_buf_len = %d\n",
242 i, rx_ring->rx_buf_len);
243 dev_info(&pf->pdev->dev,
244 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
245 i,
246 rx_ring->next_to_use,
247 rx_ring->next_to_clean,
248 rx_ring->ring_active);
249 dev_info(&pf->pdev->dev,
250 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
251 i, rx_ring->stats.packets,
252 rx_ring->stats.bytes,
253 rx_ring->rx_stats.non_eop_descs);
254 dev_info(&pf->pdev->dev,
255 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
256 i,
257 rx_ring->rx_stats.alloc_page_failed,
258 rx_ring->rx_stats.alloc_buff_failed);
259 dev_info(&pf->pdev->dev,
260 " rx_rings[%i]: rx_stats: realloc_count = 0, page_reuse_count = %lld\n",
261 i,
262 rx_ring->rx_stats.page_reuse_count);
263 dev_info(&pf->pdev->dev,
264 " rx_rings[%i]: size = %i\n",
265 i, rx_ring->size);
266 dev_info(&pf->pdev->dev,
267 " rx_rings[%i]: itr_setting = %d (%s)\n",
268 i, rx_ring->itr_setting,
269 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed");
270 }
271 for (i = 0; i < vsi->num_queue_pairs; i++) {
272 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
273
274 if (!tx_ring)
275 continue;
276
277 dev_info(&pf->pdev->dev,
278 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
279 i, *tx_ring->state,
280 tx_ring->queue_index,
281 tx_ring->reg_idx);
282 dev_info(&pf->pdev->dev,
283 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
284 i,
285 tx_ring->next_to_use,
286 tx_ring->next_to_clean,
287 tx_ring->ring_active);
288 dev_info(&pf->pdev->dev,
289 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
290 i, tx_ring->stats.packets,
291 tx_ring->stats.bytes,
292 tx_ring->tx_stats.restart_queue);
293 dev_info(&pf->pdev->dev,
294 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld, tx_stopped = %lld\n",
295 i,
296 tx_ring->tx_stats.tx_busy,
297 tx_ring->tx_stats.tx_done_old,
298 tx_ring->tx_stats.tx_stopped);
299 dev_info(&pf->pdev->dev,
300 " tx_rings[%i]: size = %i\n",
301 i, tx_ring->size);
302 dev_info(&pf->pdev->dev,
303 " tx_rings[%i]: DCB tc = %d\n",
304 i, tx_ring->dcb_tc);
305 dev_info(&pf->pdev->dev,
306 " tx_rings[%i]: itr_setting = %d (%s)\n",
307 i, tx_ring->itr_setting,
308 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
309 }
310 if (i40e_enabled_xdp_vsi(vsi)) {
311 for (i = 0; i < vsi->num_queue_pairs; i++) {
312 struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]);
313
314 if (!xdp_ring)
315 continue;
316
317 dev_info(&pf->pdev->dev,
318 " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
319 i, *xdp_ring->state,
320 xdp_ring->queue_index,
321 xdp_ring->reg_idx);
322 dev_info(&pf->pdev->dev,
323 " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
324 i,
325 xdp_ring->next_to_use,
326 xdp_ring->next_to_clean,
327 xdp_ring->ring_active);
328 dev_info(&pf->pdev->dev,
329 " xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
330 i, xdp_ring->stats.packets,
331 xdp_ring->stats.bytes,
332 xdp_ring->tx_stats.restart_queue);
333 dev_info(&pf->pdev->dev,
334 " xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
335 i,
336 xdp_ring->tx_stats.tx_busy,
337 xdp_ring->tx_stats.tx_done_old);
338 dev_info(&pf->pdev->dev,
339 " xdp_rings[%i]: size = %i\n",
340 i, xdp_ring->size);
341 dev_info(&pf->pdev->dev,
342 " xdp_rings[%i]: DCB tc = %d\n",
343 i, xdp_ring->dcb_tc);
344 dev_info(&pf->pdev->dev,
345 " xdp_rings[%i]: itr_setting = %d (%s)\n",
346 i, xdp_ring->itr_setting,
347 ITR_IS_DYNAMIC(xdp_ring->itr_setting) ?
348 "dynamic" : "fixed");
349 }
350 }
351 rcu_read_unlock();
352 dev_info(&pf->pdev->dev,
353 " work_limit = %d\n",
354 vsi->work_limit);
355 dev_info(&pf->pdev->dev,
356 " max_frame = %d, rx_buf_len = %d dtype = %d\n",
357 vsi->max_frame, vsi->rx_buf_len, 0);
358 dev_info(&pf->pdev->dev,
359 " num_q_vectors = %i, base_vector = %i\n",
360 vsi->num_q_vectors, vsi->base_vector);
361 dev_info(&pf->pdev->dev,
362 " seid = %d, id = %d, uplink_seid = %d\n",
363 vsi->seid, vsi->id, vsi->uplink_seid);
364 dev_info(&pf->pdev->dev,
365 " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n",
366 vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc,
367 vsi->num_rx_desc);
368 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
369 if (vsi->type == I40E_VSI_SRIOV)
370 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id);
371 dev_info(&pf->pdev->dev,
372 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
373 vsi->info.valid_sections, vsi->info.switch_id);
374 dev_info(&pf->pdev->dev,
375 " info: sw_reserved[] = 0x%02x 0x%02x\n",
376 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
377 dev_info(&pf->pdev->dev,
378 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
379 vsi->info.sec_flags, vsi->info.sec_reserved);
380 dev_info(&pf->pdev->dev,
381 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
382 vsi->info.pvid, vsi->info.fcoe_pvid,
383 vsi->info.port_vlan_flags);
384 dev_info(&pf->pdev->dev,
385 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
386 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
387 vsi->info.pvlan_reserved[2]);
388 dev_info(&pf->pdev->dev,
389 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
390 vsi->info.ingress_table, vsi->info.egress_table);
391 dev_info(&pf->pdev->dev,
392 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
393 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
394 vsi->info.cas_pv_reserved);
395 dev_info(&pf->pdev->dev,
396 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
397 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
398 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
399 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
400 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
401 dev_info(&pf->pdev->dev,
402 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
403 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
404 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
405 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
406 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
407 dev_info(&pf->pdev->dev,
408 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
409 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
410 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
411 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
412 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
413 dev_info(&pf->pdev->dev,
414 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
415 vsi->info.queueing_opt_flags,
416 vsi->info.queueing_opt_reserved[0],
417 vsi->info.queueing_opt_reserved[1],
418 vsi->info.queueing_opt_reserved[2]);
419 dev_info(&pf->pdev->dev,
420 " info: up_enable_bits = 0x%02x\n",
421 vsi->info.up_enable_bits);
422 dev_info(&pf->pdev->dev,
423 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
424 vsi->info.sched_reserved, vsi->info.outer_up_table);
425 dev_info(&pf->pdev->dev,
426 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
427 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
428 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
429 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
430 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
431 dev_info(&pf->pdev->dev,
432 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
433 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
434 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
435 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
436 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
437 dev_info(&pf->pdev->dev,
438 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
439 vsi->info.stat_counter_idx, vsi->info.sched_id);
440 dev_info(&pf->pdev->dev,
441 " info: resp_reserved[] = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
442 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
443 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
444 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
445 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
446 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
447 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
448 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
449 dev_info(&pf->pdev->dev,
450 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
451 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
452 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
453 dev_info(&pf->pdev->dev,
454 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
455 i, vsi->tc_config.tc_info[i].qoffset,
456 vsi->tc_config.tc_info[i].qcount,
457 vsi->tc_config.tc_info[i].netdev_tc);
458 }
459 dev_info(&pf->pdev->dev,
460 " bw: bw_limit = %d, bw_max_quanta = %d\n",
461 vsi->bw_limit, vsi->bw_max_quanta);
462 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
463 dev_info(&pf->pdev->dev,
464 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
465 i, vsi->bw_ets_share_credits[i],
466 vsi->bw_ets_limit_credits[i],
467 vsi->bw_ets_max_quanta[i]);
468 }
469}
470
471/**
472 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
473 * @pf: the i40e_pf created in command write
474 **/
475static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
476{
477 struct i40e_adminq_ring *ring;
478 struct i40e_hw *hw = &pf->hw;
479 char hdr[32];
480 int i;
481
482 snprintf(hdr, sizeof(hdr), "%s %s: ",
483 dev_driver_string(&pf->pdev->dev),
484 dev_name(&pf->pdev->dev));
485
486 /* first the send (command) ring, then the receive (event) ring */
487 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
488 ring = &(hw->aq.asq);
489 for (i = 0; i < ring->count; i++) {
490 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
491
492 dev_info(&pf->pdev->dev,
493 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
494 i, d->flags, d->opcode, d->datalen, d->retval,
495 d->cookie_high, d->cookie_low);
496 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
497 16, 1, d->params.raw, 16, 0);
498 }
499
500 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
501 ring = &(hw->aq.arq);
502 for (i = 0; i < ring->count; i++) {
503 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
504
505 dev_info(&pf->pdev->dev,
506 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
507 i, d->flags, d->opcode, d->datalen, d->retval,
508 d->cookie_high, d->cookie_low);
509 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
510 16, 1, d->params.raw, 16, 0);
511 }
512}
513
514/**
515 * i40e_dbg_dump_desc - handles dump desc write into command datum
516 * @cnt: number of arguments that the user supplied
517 * @vsi_seid: vsi id entered by user
518 * @ring_id: ring id entered by user
519 * @desc_n: descriptor number entered by user
520 * @pf: the i40e_pf created in command write
521 * @type: enum describing whether ring is RX, TX or XDP
522 **/
523static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
524 struct i40e_pf *pf, enum ring_type type)
525{
526 bool is_rx_ring = type == RING_TYPE_RX;
527 struct i40e_tx_desc *txd;
528 union i40e_rx_desc *rxd;
529 struct i40e_ring *ring;
530 struct i40e_vsi *vsi;
531 int i;
532
533 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
534 if (!vsi) {
535 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
536 return;
537 }
538 if (vsi->type != I40E_VSI_MAIN &&
539 vsi->type != I40E_VSI_FDIR &&
540 vsi->type != I40E_VSI_VMDQ2) {
541 dev_info(&pf->pdev->dev,
542 "vsi %d type %d descriptor rings not available\n",
543 vsi_seid, vsi->type);
544 return;
545 }
546 if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
547 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid);
548 return;
549 }
550 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
551 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
552 return;
553 }
554 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
555 dev_info(&pf->pdev->dev,
556 "descriptor rings have not been allocated for vsi %d\n",
557 vsi_seid);
558 return;
559 }
560
561 switch (type) {
562 case RING_TYPE_RX:
563 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
564 break;
565 case RING_TYPE_TX:
566 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
567 break;
568 case RING_TYPE_XDP:
569 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL);
570 break;
571 default:
572 ring = NULL;
573 break;
574 }
575 if (!ring)
576 return;
577
578 if (cnt == 2) {
579 switch (type) {
580 case RING_TYPE_RX:
581 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
582 break;
583 case RING_TYPE_TX:
584 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
585 break;
586 case RING_TYPE_XDP:
587 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
588 break;
589 }
590 for (i = 0; i < ring->count; i++) {
591 if (!is_rx_ring) {
592 txd = I40E_TX_DESC(ring, i);
593 dev_info(&pf->pdev->dev,
594 " d[%03x] = 0x%016llx 0x%016llx\n",
595 i, txd->buffer_addr,
596 txd->cmd_type_offset_bsz);
597 } else {
598 rxd = I40E_RX_DESC(ring, i);
599 dev_info(&pf->pdev->dev,
600 " d[%03x] = 0x%016llx 0x%016llx\n",
601 i, rxd->read.pkt_addr,
602 rxd->read.hdr_addr);
603 }
604 }
605 } else if (cnt == 3) {
606 if (desc_n >= ring->count || desc_n < 0) {
607 dev_info(&pf->pdev->dev,
608 "descriptor %d not found\n", desc_n);
609 goto out;
610 }
611 if (!is_rx_ring) {
612 txd = I40E_TX_DESC(ring, desc_n);
613 dev_info(&pf->pdev->dev,
614 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
615 vsi_seid, ring_id, desc_n,
616 txd->buffer_addr, txd->cmd_type_offset_bsz);
617 } else {
618 rxd = I40E_RX_DESC(ring, desc_n);
619 dev_info(&pf->pdev->dev,
620 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
621 vsi_seid, ring_id, desc_n,
622 rxd->read.pkt_addr, rxd->read.hdr_addr);
623 }
624 } else {
625 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
626 }
627
628out:
629 kfree(ring);
630}
631
632/**
633 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
634 * @pf: the i40e_pf created in command write
635 **/
636static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
637{
638 struct i40e_vsi *vsi;
639 int i;
640
641 i40e_pf_for_each_vsi(pf, i, vsi)
642 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", i, vsi->seid);
643}
644
645/**
646 * i40e_dbg_dump_eth_stats - handles dump stats write into command datum
647 * @pf: the i40e_pf created in command write
648 * @estats: the eth stats structure to be dumped
649 **/
650static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
651 struct i40e_eth_stats *estats)
652{
653 dev_info(&pf->pdev->dev, " ethstats:\n");
654 dev_info(&pf->pdev->dev,
655 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
656 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
657 dev_info(&pf->pdev->dev,
658 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
659 estats->rx_broadcast, estats->rx_discards);
660 dev_info(&pf->pdev->dev,
661 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
662 estats->rx_unknown_protocol, estats->tx_bytes);
663 dev_info(&pf->pdev->dev,
664 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
665 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
666 dev_info(&pf->pdev->dev,
667 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
668 estats->tx_discards, estats->tx_errors);
669}
670
671/**
672 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
673 * @pf: the i40e_pf created in command write
674 * @seid: the seid the user put in
675 **/
676static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
677{
678 struct i40e_veb *veb;
679
680 veb = i40e_pf_get_veb_by_seid(pf, seid);
681 if (!veb) {
682 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
683 return;
684 }
685 dev_info(&pf->pdev->dev,
686 "veb idx=%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
687 veb->idx, veb->stats_idx, veb->seid, veb->uplink_seid,
688 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
689 i40e_dbg_dump_eth_stats(pf, &veb->stats);
690}
691
692/**
693 * i40e_dbg_dump_veb_all - dumps all known veb's stats
694 * @pf: the i40e_pf created in command write
695 **/
696static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
697{
698 struct i40e_veb *veb;
699 int i;
700
701 i40e_pf_for_each_veb(pf, i, veb)
702 i40e_dbg_dump_veb_seid(pf, veb->seid);
703}
704
705/**
706 * i40e_dbg_dump_vf - dump VF info
707 * @pf: the i40e_pf created in command write
708 * @vf_id: the vf_id from the user
709 **/
710static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
711{
712 struct i40e_vf *vf;
713 struct i40e_vsi *vsi;
714
715 if (!pf->num_alloc_vfs) {
716 dev_info(&pf->pdev->dev, "no VFs allocated\n");
717 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
718 vf = &pf->vf[vf_id];
719 vsi = pf->vsi[vf->lan_vsi_idx];
720 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
721 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
722 dev_info(&pf->pdev->dev, " num MDD=%lld\n",
723 vf->num_mdd_events);
724 } else {
725 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
726 }
727}
728
729/**
730 * i40e_dbg_dump_vf_all - dump VF info for all VFs
731 * @pf: the i40e_pf created in command write
732 **/
733static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
734{
735 int i;
736
737 if (!pf->num_alloc_vfs)
738 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
739 else
740 for (i = 0; i < pf->num_alloc_vfs; i++)
741 i40e_dbg_dump_vf(pf, i);
742}
743
744/**
745 * i40e_dbg_command_write - write into command datum
746 * @filp: the opened file
747 * @buffer: where to find the user's data
748 * @count: the length of the user's data
749 * @ppos: file position offset
750 **/
751static ssize_t i40e_dbg_command_write(struct file *filp,
752 const char __user *buffer,
753 size_t count, loff_t *ppos)
754{
755 struct i40e_pf *pf = filp->private_data;
756 char *cmd_buf, *cmd_buf_tmp;
757 int bytes_not_copied;
758 struct i40e_vsi *vsi;
759 int vsi_seid;
760 int veb_seid;
761 int vf_id;
762 int cnt;
763
764 /* don't allow partial writes */
765 if (*ppos != 0)
766 return 0;
767
768 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
769 if (!cmd_buf)
770 return count;
771 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
772 if (bytes_not_copied) {
773 kfree(cmd_buf);
774 return -EFAULT;
775 }
776 cmd_buf[count] = '\0';
777
778 cmd_buf_tmp = strchr(cmd_buf, '\n');
779 if (cmd_buf_tmp) {
780 *cmd_buf_tmp = '\0';
781 count = cmd_buf_tmp - cmd_buf + 1;
782 }
783
784 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
785 vsi_seid = -1;
786 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
787 if (cnt == 0) {
788 /* default to PF VSI */
789 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
790 } else if (vsi_seid < 0) {
791 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
792 vsi_seid);
793 goto command_write_done;
794 }
795
796 /* By default we are in VEPA mode, if this is the first VF/VMDq
797 * VSI to be added switch to VEB mode.
798 */
799 if (!test_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags)) {
800 set_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags);
801 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
802 }
803
804 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
805 if (vsi)
806 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
807 vsi->seid, vsi->uplink_seid);
808 else
809 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
810
811 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
812 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
813 if (cnt != 1) {
814 dev_info(&pf->pdev->dev,
815 "del vsi: bad command string, cnt=%d\n",
816 cnt);
817 goto command_write_done;
818 }
819 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
820 if (!vsi) {
821 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
822 vsi_seid);
823 goto command_write_done;
824 }
825
826 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
827 i40e_vsi_release(vsi);
828
829 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
830 struct i40e_veb *veb;
831 u8 enabled_tc = 0x1;
832 int uplink_seid;
833
834 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
835 if (cnt == 0) {
836 uplink_seid = 0;
837 vsi_seid = 0;
838 } else if (cnt != 2) {
839 dev_info(&pf->pdev->dev,
840 "add relay: bad command string, cnt=%d\n",
841 cnt);
842 goto command_write_done;
843 } else if (uplink_seid < 0) {
844 dev_info(&pf->pdev->dev,
845 "add relay %d: bad uplink seid\n",
846 uplink_seid);
847 goto command_write_done;
848 }
849
850 if (uplink_seid != 0 && uplink_seid != pf->mac_seid) {
851 dev_info(&pf->pdev->dev,
852 "add relay: relay uplink %d not found\n",
853 uplink_seid);
854 goto command_write_done;
855 } else if (uplink_seid) {
856 vsi = i40e_pf_get_vsi_by_seid(pf, vsi_seid);
857 if (!vsi) {
858 dev_info(&pf->pdev->dev,
859 "add relay: VSI %d not found\n",
860 vsi_seid);
861 goto command_write_done;
862 }
863 enabled_tc = vsi->tc_config.enabled_tc;
864 } else if (vsi_seid) {
865 dev_info(&pf->pdev->dev,
866 "add relay: VSI must be 0 for floating relay\n");
867 goto command_write_done;
868 }
869
870 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, enabled_tc);
871 if (veb)
872 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
873 else
874 dev_info(&pf->pdev->dev, "add relay failed\n");
875
876 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
877 struct i40e_veb *veb;
878 int i;
879
880 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
881 if (cnt != 1) {
882 dev_info(&pf->pdev->dev,
883 "del relay: bad command string, cnt=%d\n",
884 cnt);
885 goto command_write_done;
886 } else if (veb_seid < 0) {
887 dev_info(&pf->pdev->dev,
888 "del relay %d: bad relay seid\n", veb_seid);
889 goto command_write_done;
890 }
891
892 /* find the veb */
893 i40e_pf_for_each_veb(pf, i, veb)
894 if (veb->seid == veb_seid)
895 break;
896
897 if (i >= I40E_MAX_VEB) {
898 dev_info(&pf->pdev->dev,
899 "del relay: relay %d not found\n", veb_seid);
900 goto command_write_done;
901 }
902
903 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
904 i40e_veb_release(veb);
905 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
906 unsigned int v;
907 int ret;
908 u16 vid;
909
910 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
911 if (cnt != 2) {
912 dev_info(&pf->pdev->dev,
913 "add pvid: bad command string, cnt=%d\n", cnt);
914 goto command_write_done;
915 }
916
917 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
918 if (!vsi) {
919 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
920 vsi_seid);
921 goto command_write_done;
922 }
923
924 vid = v;
925 ret = i40e_vsi_add_pvid(vsi, vid);
926 if (!ret)
927 dev_info(&pf->pdev->dev,
928 "add pvid: %d added to VSI %d\n",
929 vid, vsi_seid);
930 else
931 dev_info(&pf->pdev->dev,
932 "add pvid: %d to VSI %d failed, ret=%d\n",
933 vid, vsi_seid, ret);
934
935 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
936
937 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
938 if (cnt != 1) {
939 dev_info(&pf->pdev->dev,
940 "del pvid: bad command string, cnt=%d\n",
941 cnt);
942 goto command_write_done;
943 }
944
945 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
946 if (!vsi) {
947 dev_info(&pf->pdev->dev,
948 "del pvid: VSI %d not found\n", vsi_seid);
949 goto command_write_done;
950 }
951
952 i40e_vsi_remove_pvid(vsi);
953 dev_info(&pf->pdev->dev,
954 "del pvid: removed from VSI %d\n", vsi_seid);
955
956 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
957 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
958 i40e_fetch_switch_configuration(pf, true);
959 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
960 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
961 if (cnt > 0)
962 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
963 else
964 i40e_dbg_dump_vsi_no_seid(pf);
965 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
966 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
967 if (cnt > 0)
968 i40e_dbg_dump_veb_seid(pf, vsi_seid);
969 else
970 i40e_dbg_dump_veb_all(pf);
971 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
972 cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
973 if (cnt > 0)
974 i40e_dbg_dump_vf(pf, vf_id);
975 else
976 i40e_dbg_dump_vf_all(pf);
977 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
978 int ring_id, desc_n;
979 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
980 cnt = sscanf(&cmd_buf[12], "%i %i %i",
981 &vsi_seid, &ring_id, &desc_n);
982 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
983 desc_n, pf, RING_TYPE_RX);
984 } else if (strncmp(&cmd_buf[10], "tx", 2)
985 == 0) {
986 cnt = sscanf(&cmd_buf[12], "%i %i %i",
987 &vsi_seid, &ring_id, &desc_n);
988 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
989 desc_n, pf, RING_TYPE_TX);
990 } else if (strncmp(&cmd_buf[10], "xdp", 3)
991 == 0) {
992 cnt = sscanf(&cmd_buf[13], "%i %i %i",
993 &vsi_seid, &ring_id, &desc_n);
994 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
995 desc_n, pf, RING_TYPE_XDP);
996 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
997 i40e_dbg_dump_aq_desc(pf);
998 } else {
999 dev_info(&pf->pdev->dev,
1000 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1001 dev_info(&pf->pdev->dev,
1002 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1003 dev_info(&pf->pdev->dev,
1004 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1005 dev_info(&pf->pdev->dev, "dump desc aq\n");
1006 }
1007 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1008 dev_info(&pf->pdev->dev,
1009 "core reset count: %d\n", pf->corer_count);
1010 dev_info(&pf->pdev->dev,
1011 "global reset count: %d\n", pf->globr_count);
1012 dev_info(&pf->pdev->dev,
1013 "emp reset count: %d\n", pf->empr_count);
1014 dev_info(&pf->pdev->dev,
1015 "pf reset count: %d\n", pf->pfr_count);
1016 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1017 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1018 struct i40e_dcbx_config *cfg =
1019 &pf->hw.local_dcbx_config;
1020 struct i40e_dcbx_config *r_cfg =
1021 &pf->hw.remote_dcbx_config;
1022 int i, ret;
1023 u16 switch_id;
1024
1025 bw_data = kzalloc(sizeof(
1026 struct i40e_aqc_query_port_ets_config_resp),
1027 GFP_KERNEL);
1028 if (!bw_data) {
1029 ret = -ENOMEM;
1030 goto command_write_done;
1031 }
1032
1033 vsi = pf->vsi[pf->lan_vsi];
1034 switch_id =
1035 le16_to_cpu(vsi->info.switch_id) &
1036 I40E_AQ_VSI_SW_ID_MASK;
1037
1038 ret = i40e_aq_query_port_ets_config(&pf->hw,
1039 switch_id,
1040 bw_data, NULL);
1041 if (ret) {
1042 dev_info(&pf->pdev->dev,
1043 "Query Port ETS Config AQ command failed =0x%x\n",
1044 pf->hw.aq.asq_last_status);
1045 kfree(bw_data);
1046 bw_data = NULL;
1047 goto command_write_done;
1048 }
1049 dev_info(&pf->pdev->dev,
1050 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1051 bw_data->tc_valid_bits,
1052 bw_data->tc_strict_priority_bits,
1053 le16_to_cpu(bw_data->tc_bw_max[0]),
1054 le16_to_cpu(bw_data->tc_bw_max[1]));
1055 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1056 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1057 bw_data->tc_bw_share_credits[i],
1058 le16_to_cpu(bw_data->tc_bw_limits[i]));
1059 }
1060
1061 kfree(bw_data);
1062 bw_data = NULL;
1063
1064 dev_info(&pf->pdev->dev,
1065 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1066 dev_info(&pf->pdev->dev,
1067 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1068 cfg->etscfg.willing, cfg->etscfg.cbs,
1069 cfg->etscfg.maxtcs);
1070 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1071 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1072 i, cfg->etscfg.prioritytable[i],
1073 cfg->etscfg.tcbwtable[i],
1074 cfg->etscfg.tsatable[i]);
1075 }
1076 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1077 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1078 i, cfg->etsrec.prioritytable[i],
1079 cfg->etsrec.tcbwtable[i],
1080 cfg->etsrec.tsatable[i]);
1081 }
1082 dev_info(&pf->pdev->dev,
1083 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1084 cfg->pfc.willing, cfg->pfc.mbc,
1085 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1086 dev_info(&pf->pdev->dev,
1087 "port app_table: num_apps=%d\n", cfg->numapps);
1088 for (i = 0; i < cfg->numapps; i++) {
1089 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1090 i, cfg->app[i].priority,
1091 cfg->app[i].selector,
1092 cfg->app[i].protocolid);
1093 }
1094 /* Peer TLV DCBX data */
1095 dev_info(&pf->pdev->dev,
1096 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1097 r_cfg->etscfg.willing,
1098 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1099 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1100 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1101 i, r_cfg->etscfg.prioritytable[i],
1102 r_cfg->etscfg.tcbwtable[i],
1103 r_cfg->etscfg.tsatable[i]);
1104 }
1105 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1106 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1107 i, r_cfg->etsrec.prioritytable[i],
1108 r_cfg->etsrec.tcbwtable[i],
1109 r_cfg->etsrec.tsatable[i]);
1110 }
1111 dev_info(&pf->pdev->dev,
1112 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1113 r_cfg->pfc.willing,
1114 r_cfg->pfc.mbc,
1115 r_cfg->pfc.pfccap,
1116 r_cfg->pfc.pfcenable);
1117 dev_info(&pf->pdev->dev,
1118 "remote port app_table: num_apps=%d\n",
1119 r_cfg->numapps);
1120 for (i = 0; i < r_cfg->numapps; i++) {
1121 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1122 i, r_cfg->app[i].priority,
1123 r_cfg->app[i].selector,
1124 r_cfg->app[i].protocolid);
1125 }
1126 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1127 int cluster_id, table_id;
1128 int index, ret;
1129 u16 buff_len = 4096;
1130 u32 next_index;
1131 u8 next_table;
1132 u8 *buff;
1133 u16 rlen;
1134
1135 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1136 &cluster_id, &table_id, &index);
1137 if (cnt != 3) {
1138 dev_info(&pf->pdev->dev,
1139 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1140 goto command_write_done;
1141 }
1142
1143 dev_info(&pf->pdev->dev,
1144 "AQ debug dump fwdata params %x %x %x %x\n",
1145 cluster_id, table_id, index, buff_len);
1146 buff = kzalloc(buff_len, GFP_KERNEL);
1147 if (!buff)
1148 goto command_write_done;
1149
1150 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1151 index, buff_len, buff, &rlen,
1152 &next_table, &next_index,
1153 NULL);
1154 if (ret) {
1155 dev_info(&pf->pdev->dev,
1156 "debug dump fwdata AQ Failed %d 0x%x\n",
1157 ret, pf->hw.aq.asq_last_status);
1158 kfree(buff);
1159 buff = NULL;
1160 goto command_write_done;
1161 }
1162 dev_info(&pf->pdev->dev,
1163 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1164 rlen, next_table, next_index);
1165 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1166 DUMP_PREFIX_OFFSET, 16, 1,
1167 buff, rlen, true);
1168 kfree(buff);
1169 buff = NULL;
1170 } else {
1171 dev_info(&pf->pdev->dev,
1172 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n");
1173 dev_info(&pf->pdev->dev, "dump switch\n");
1174 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1175 dev_info(&pf->pdev->dev, "dump reset stats\n");
1176 dev_info(&pf->pdev->dev, "dump port\n");
1177 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1178 dev_info(&pf->pdev->dev,
1179 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1180 }
1181 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1182 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1183 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1184
1185 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1186 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1187 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1188
1189 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1190 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1191 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1192
1193 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1194 u32 address;
1195 u32 value;
1196
1197 cnt = sscanf(&cmd_buf[4], "%i", &address);
1198 if (cnt != 1) {
1199 dev_info(&pf->pdev->dev, "read <reg>\n");
1200 goto command_write_done;
1201 }
1202
1203 /* check the range on address */
1204 if (address > (pf->ioremap_len - sizeof(u32))) {
1205 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1206 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1207 goto command_write_done;
1208 }
1209
1210 value = rd32(&pf->hw, address);
1211 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1212 address, value);
1213
1214 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1215 u32 address, value;
1216
1217 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1218 if (cnt != 2) {
1219 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1220 goto command_write_done;
1221 }
1222
1223 /* check the range on address */
1224 if (address > (pf->ioremap_len - sizeof(u32))) {
1225 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1226 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1227 goto command_write_done;
1228 }
1229 wr32(&pf->hw, address, value);
1230 value = rd32(&pf->hw, address);
1231 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1232 address, value);
1233 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1234 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1235 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1236 if (cnt == 0) {
1237 int i;
1238
1239 i40e_pf_for_each_vsi(pf, i, vsi)
1240 i40e_vsi_reset_stats(vsi);
1241 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1242 } else if (cnt == 1) {
1243 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1244 if (!vsi) {
1245 dev_info(&pf->pdev->dev,
1246 "clear_stats vsi: bad vsi %d\n",
1247 vsi_seid);
1248 goto command_write_done;
1249 }
1250 i40e_vsi_reset_stats(vsi);
1251 dev_info(&pf->pdev->dev,
1252 "vsi clear stats called for vsi %d\n",
1253 vsi_seid);
1254 } else {
1255 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1256 }
1257 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1258 if (pf->hw.partition_id == 1) {
1259 i40e_pf_reset_stats(pf);
1260 dev_info(&pf->pdev->dev, "port stats cleared\n");
1261 } else {
1262 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1263 }
1264 } else {
1265 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1266 }
1267 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1268 struct i40e_aq_desc *desc;
1269 int ret;
1270
1271 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1272 if (!desc)
1273 goto command_write_done;
1274 cnt = sscanf(&cmd_buf[11],
1275 "%hi %hi %hi %hi %i %i %i %i %i %i",
1276 &desc->flags,
1277 &desc->opcode, &desc->datalen, &desc->retval,
1278 &desc->cookie_high, &desc->cookie_low,
1279 &desc->params.internal.param0,
1280 &desc->params.internal.param1,
1281 &desc->params.internal.param2,
1282 &desc->params.internal.param3);
1283 if (cnt != 10) {
1284 dev_info(&pf->pdev->dev,
1285 "send aq_cmd: bad command string, cnt=%d\n",
1286 cnt);
1287 kfree(desc);
1288 desc = NULL;
1289 goto command_write_done;
1290 }
1291 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1292 if (!ret) {
1293 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1294 } else if (ret == -EIO) {
1295 dev_info(&pf->pdev->dev,
1296 "AQ command send failed Opcode %x AQ Error: %d\n",
1297 desc->opcode, pf->hw.aq.asq_last_status);
1298 } else {
1299 dev_info(&pf->pdev->dev,
1300 "AQ command send failed Opcode %x Status: %d\n",
1301 desc->opcode, ret);
1302 }
1303 dev_info(&pf->pdev->dev,
1304 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1305 desc->flags, desc->opcode, desc->datalen, desc->retval,
1306 desc->cookie_high, desc->cookie_low,
1307 desc->params.internal.param0,
1308 desc->params.internal.param1,
1309 desc->params.internal.param2,
1310 desc->params.internal.param3);
1311 kfree(desc);
1312 desc = NULL;
1313 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1314 struct i40e_aq_desc *desc;
1315 u16 buffer_len;
1316 u8 *buff;
1317 int ret;
1318
1319 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1320 if (!desc)
1321 goto command_write_done;
1322 cnt = sscanf(&cmd_buf[20],
1323 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1324 &desc->flags,
1325 &desc->opcode, &desc->datalen, &desc->retval,
1326 &desc->cookie_high, &desc->cookie_low,
1327 &desc->params.internal.param0,
1328 &desc->params.internal.param1,
1329 &desc->params.internal.param2,
1330 &desc->params.internal.param3,
1331 &buffer_len);
1332 if (cnt != 11) {
1333 dev_info(&pf->pdev->dev,
1334 "send indirect aq_cmd: bad command string, cnt=%d\n",
1335 cnt);
1336 kfree(desc);
1337 desc = NULL;
1338 goto command_write_done;
1339 }
1340 /* Just stub a buffer big enough in case user messed up */
1341 if (buffer_len == 0)
1342 buffer_len = 1280;
1343
1344 buff = kzalloc(buffer_len, GFP_KERNEL);
1345 if (!buff) {
1346 kfree(desc);
1347 desc = NULL;
1348 goto command_write_done;
1349 }
1350 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1351 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1352 buffer_len, NULL);
1353 if (!ret) {
1354 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1355 } else if (ret == -EIO) {
1356 dev_info(&pf->pdev->dev,
1357 "AQ command send failed Opcode %x AQ Error: %d\n",
1358 desc->opcode, pf->hw.aq.asq_last_status);
1359 } else {
1360 dev_info(&pf->pdev->dev,
1361 "AQ command send failed Opcode %x Status: %d\n",
1362 desc->opcode, ret);
1363 }
1364 dev_info(&pf->pdev->dev,
1365 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1366 desc->flags, desc->opcode, desc->datalen, desc->retval,
1367 desc->cookie_high, desc->cookie_low,
1368 desc->params.internal.param0,
1369 desc->params.internal.param1,
1370 desc->params.internal.param2,
1371 desc->params.internal.param3);
1372 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1373 DUMP_PREFIX_OFFSET, 16, 1,
1374 buff, buffer_len, true);
1375 kfree(buff);
1376 buff = NULL;
1377 kfree(desc);
1378 desc = NULL;
1379 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1380 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1381 i40e_get_current_fd_count(pf));
1382 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1383 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1384 int ret;
1385
1386 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1387 if (ret) {
1388 dev_info(&pf->pdev->dev,
1389 "Stop LLDP AQ command failed =0x%x\n",
1390 pf->hw.aq.asq_last_status);
1391 goto command_write_done;
1392 }
1393 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1394 pf->hw.mac.addr,
1395 ETH_P_LLDP, 0,
1396 pf->vsi[pf->lan_vsi]->seid,
1397 0, true, NULL, NULL);
1398 if (ret) {
1399 dev_info(&pf->pdev->dev,
1400 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1401 __func__, pf->hw.aq.asq_last_status);
1402 goto command_write_done;
1403 }
1404#ifdef CONFIG_I40E_DCB
1405 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1406 DCB_CAP_DCBX_VER_IEEE;
1407#endif /* CONFIG_I40E_DCB */
1408 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1409 int ret;
1410
1411 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1412 pf->hw.mac.addr,
1413 ETH_P_LLDP, 0,
1414 pf->vsi[pf->lan_vsi]->seid,
1415 0, false, NULL, NULL);
1416 if (ret) {
1417 dev_info(&pf->pdev->dev,
1418 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1419 __func__, pf->hw.aq.asq_last_status);
1420 /* Continue and start FW LLDP anyways */
1421 }
1422
1423 ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1424 if (ret) {
1425 dev_info(&pf->pdev->dev,
1426 "Start LLDP AQ command failed =0x%x\n",
1427 pf->hw.aq.asq_last_status);
1428 goto command_write_done;
1429 }
1430#ifdef CONFIG_I40E_DCB
1431 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1432 DCB_CAP_DCBX_VER_IEEE;
1433#endif /* CONFIG_I40E_DCB */
1434 } else if (strncmp(&cmd_buf[5],
1435 "get local", 9) == 0) {
1436 u16 llen, rlen;
1437 int ret;
1438 u8 *buff;
1439
1440 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1441 if (!buff)
1442 goto command_write_done;
1443
1444 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1445 I40E_AQ_LLDP_MIB_LOCAL,
1446 buff, I40E_LLDPDU_SIZE,
1447 &llen, &rlen, NULL);
1448 if (ret) {
1449 dev_info(&pf->pdev->dev,
1450 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1451 pf->hw.aq.asq_last_status);
1452 kfree(buff);
1453 buff = NULL;
1454 goto command_write_done;
1455 }
1456 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1457 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1458 DUMP_PREFIX_OFFSET, 16, 1,
1459 buff, I40E_LLDPDU_SIZE, true);
1460 kfree(buff);
1461 buff = NULL;
1462 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1463 u16 llen, rlen;
1464 int ret;
1465 u8 *buff;
1466
1467 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1468 if (!buff)
1469 goto command_write_done;
1470
1471 ret = i40e_aq_get_lldp_mib(&pf->hw,
1472 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1473 I40E_AQ_LLDP_MIB_REMOTE,
1474 buff, I40E_LLDPDU_SIZE,
1475 &llen, &rlen, NULL);
1476 if (ret) {
1477 dev_info(&pf->pdev->dev,
1478 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1479 pf->hw.aq.asq_last_status);
1480 kfree(buff);
1481 buff = NULL;
1482 goto command_write_done;
1483 }
1484 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1485 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1486 DUMP_PREFIX_OFFSET, 16, 1,
1487 buff, I40E_LLDPDU_SIZE, true);
1488 kfree(buff);
1489 buff = NULL;
1490 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1491 int ret;
1492
1493 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1494 true, NULL);
1495 if (ret) {
1496 dev_info(&pf->pdev->dev,
1497 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1498 pf->hw.aq.asq_last_status);
1499 goto command_write_done;
1500 }
1501 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1502 int ret;
1503
1504 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1505 false, NULL);
1506 if (ret) {
1507 dev_info(&pf->pdev->dev,
1508 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1509 pf->hw.aq.asq_last_status);
1510 goto command_write_done;
1511 }
1512 }
1513 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1514 u16 buffer_len, bytes;
1515 u16 module;
1516 u32 offset;
1517 u16 *buff;
1518 int ret;
1519
1520 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1521 &module, &offset, &buffer_len);
1522 if (cnt == 0) {
1523 module = 0;
1524 offset = 0;
1525 buffer_len = 0;
1526 } else if (cnt == 1) {
1527 offset = 0;
1528 buffer_len = 0;
1529 } else if (cnt == 2) {
1530 buffer_len = 0;
1531 } else if (cnt > 3) {
1532 dev_info(&pf->pdev->dev,
1533 "nvm read: bad command string, cnt=%d\n", cnt);
1534 goto command_write_done;
1535 }
1536
1537 /* set the max length */
1538 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1539
1540 bytes = 2 * buffer_len;
1541
1542 /* read at least 1k bytes, no more than 4kB */
1543 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1544 buff = kzalloc(bytes, GFP_KERNEL);
1545 if (!buff)
1546 goto command_write_done;
1547
1548 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1549 if (ret) {
1550 dev_info(&pf->pdev->dev,
1551 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1552 ret, pf->hw.aq.asq_last_status);
1553 kfree(buff);
1554 goto command_write_done;
1555 }
1556
1557 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1558 bytes, (u8 *)buff, true, NULL);
1559 i40e_release_nvm(&pf->hw);
1560 if (ret) {
1561 dev_info(&pf->pdev->dev,
1562 "Read NVM AQ failed err=%d status=0x%x\n",
1563 ret, pf->hw.aq.asq_last_status);
1564 } else {
1565 dev_info(&pf->pdev->dev,
1566 "Read NVM module=0x%x offset=0x%x words=%d\n",
1567 module, offset, buffer_len);
1568 if (bytes)
1569 print_hex_dump(KERN_INFO, "NVM Dump: ",
1570 DUMP_PREFIX_OFFSET, 16, 2,
1571 buff, bytes, true);
1572 }
1573 kfree(buff);
1574 buff = NULL;
1575 } else {
1576 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1577 dev_info(&pf->pdev->dev, "available commands\n");
1578 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1579 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1580 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1581 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1582 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1583 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1584 dev_info(&pf->pdev->dev, " dump switch\n");
1585 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1586 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1587 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1588 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1589 dev_info(&pf->pdev->dev, " dump desc aq\n");
1590 dev_info(&pf->pdev->dev, " dump reset stats\n");
1591 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1592 dev_info(&pf->pdev->dev, " read <reg>\n");
1593 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1594 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1595 dev_info(&pf->pdev->dev, " clear_stats port\n");
1596 dev_info(&pf->pdev->dev, " pfr\n");
1597 dev_info(&pf->pdev->dev, " corer\n");
1598 dev_info(&pf->pdev->dev, " globr\n");
1599 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1600 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1601 dev_info(&pf->pdev->dev, " fd current cnt");
1602 dev_info(&pf->pdev->dev, " lldp start\n");
1603 dev_info(&pf->pdev->dev, " lldp stop\n");
1604 dev_info(&pf->pdev->dev, " lldp get local\n");
1605 dev_info(&pf->pdev->dev, " lldp get remote\n");
1606 dev_info(&pf->pdev->dev, " lldp event on\n");
1607 dev_info(&pf->pdev->dev, " lldp event off\n");
1608 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1609 }
1610
1611command_write_done:
1612 kfree(cmd_buf);
1613 cmd_buf = NULL;
1614 return count;
1615}
1616
1617static const struct file_operations i40e_dbg_command_fops = {
1618 .owner = THIS_MODULE,
1619 .open = simple_open,
1620 .read = i40e_dbg_command_read,
1621 .write = i40e_dbg_command_write,
1622};
1623
1624/**************************************************************
1625 * netdev_ops
1626 * The netdev_ops entry in debugfs is for giving the driver commands
1627 * to be executed from the netdev operations.
1628 **************************************************************/
1629static char i40e_dbg_netdev_ops_buf[256] = "";
1630
1631/**
1632 * i40e_dbg_netdev_ops_read - read for netdev_ops datum
1633 * @filp: the opened file
1634 * @buffer: where to write the data for the user to read
1635 * @count: the size of the user's buffer
1636 * @ppos: file position offset
1637 **/
1638static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1639 size_t count, loff_t *ppos)
1640{
1641 struct i40e_pf *pf = filp->private_data;
1642 int bytes_not_copied;
1643 int buf_size = 256;
1644 char *buf;
1645 int len;
1646
1647 /* don't allow partal reads */
1648 if (*ppos != 0)
1649 return 0;
1650 if (count < buf_size)
1651 return -ENOSPC;
1652
1653 buf = kzalloc(buf_size, GFP_KERNEL);
1654 if (!buf)
1655 return -ENOSPC;
1656
1657 len = snprintf(buf, buf_size, "%s: %s\n",
1658 pf->vsi[pf->lan_vsi]->netdev->name,
1659 i40e_dbg_netdev_ops_buf);
1660
1661 bytes_not_copied = copy_to_user(buffer, buf, len);
1662 kfree(buf);
1663
1664 if (bytes_not_copied)
1665 return -EFAULT;
1666
1667 *ppos = len;
1668 return len;
1669}
1670
1671/**
1672 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1673 * @filp: the opened file
1674 * @buffer: where to find the user's data
1675 * @count: the length of the user's data
1676 * @ppos: file position offset
1677 **/
1678static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1679 const char __user *buffer,
1680 size_t count, loff_t *ppos)
1681{
1682 struct i40e_pf *pf = filp->private_data;
1683 int bytes_not_copied;
1684 struct i40e_vsi *vsi;
1685 char *buf_tmp;
1686 int vsi_seid;
1687 int i, cnt;
1688
1689 /* don't allow partial writes */
1690 if (*ppos != 0)
1691 return 0;
1692 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1693 return -ENOSPC;
1694
1695 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1696 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1697 buffer, count);
1698 if (bytes_not_copied)
1699 return -EFAULT;
1700 i40e_dbg_netdev_ops_buf[count] = '\0';
1701
1702 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1703 if (buf_tmp) {
1704 *buf_tmp = '\0';
1705 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1706 }
1707
1708 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1709 int mtu;
1710
1711 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1712 &vsi_seid, &mtu);
1713 if (cnt != 2) {
1714 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1715 goto netdev_ops_write_done;
1716 }
1717 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1718 if (!vsi) {
1719 dev_info(&pf->pdev->dev,
1720 "change_mtu: VSI %d not found\n", vsi_seid);
1721 } else if (!vsi->netdev) {
1722 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1723 vsi_seid);
1724 } else if (rtnl_trylock()) {
1725 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1726 mtu);
1727 rtnl_unlock();
1728 dev_info(&pf->pdev->dev, "change_mtu called\n");
1729 } else {
1730 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1731 }
1732
1733 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1734 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1735 if (cnt != 1) {
1736 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1737 goto netdev_ops_write_done;
1738 }
1739 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1740 if (!vsi) {
1741 dev_info(&pf->pdev->dev,
1742 "set_rx_mode: VSI %d not found\n", vsi_seid);
1743 } else if (!vsi->netdev) {
1744 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1745 vsi_seid);
1746 } else if (rtnl_trylock()) {
1747 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1748 rtnl_unlock();
1749 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1750 } else {
1751 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1752 }
1753
1754 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1755 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1756 if (cnt != 1) {
1757 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1758 goto netdev_ops_write_done;
1759 }
1760 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1761 if (!vsi) {
1762 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1763 vsi_seid);
1764 } else if (!vsi->netdev) {
1765 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1766 vsi_seid);
1767 } else {
1768 for (i = 0; i < vsi->num_q_vectors; i++)
1769 napi_schedule(&vsi->q_vectors[i]->napi);
1770 dev_info(&pf->pdev->dev, "napi called\n");
1771 }
1772 } else {
1773 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1774 i40e_dbg_netdev_ops_buf);
1775 dev_info(&pf->pdev->dev, "available commands\n");
1776 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1777 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1778 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1779 }
1780netdev_ops_write_done:
1781 return count;
1782}
1783
1784static const struct file_operations i40e_dbg_netdev_ops_fops = {
1785 .owner = THIS_MODULE,
1786 .open = simple_open,
1787 .read = i40e_dbg_netdev_ops_read,
1788 .write = i40e_dbg_netdev_ops_write,
1789};
1790
1791/**
1792 * i40e_dbg_pf_init - setup the debugfs directory for the PF
1793 * @pf: the PF that is starting up
1794 **/
1795void i40e_dbg_pf_init(struct i40e_pf *pf)
1796{
1797 const char *name = pci_name(pf->pdev);
1798
1799 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1800
1801 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1802 &i40e_dbg_command_fops);
1803
1804 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1805 &i40e_dbg_netdev_ops_fops);
1806}
1807
1808/**
1809 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1810 * @pf: the PF that is stopping
1811 **/
1812void i40e_dbg_pf_exit(struct i40e_pf *pf)
1813{
1814 debugfs_remove_recursive(pf->i40e_dbg_pf);
1815 pf->i40e_dbg_pf = NULL;
1816}
1817
1818/**
1819 * i40e_dbg_init - start up debugfs for the driver
1820 **/
1821void i40e_dbg_init(void)
1822{
1823 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1824 if (IS_ERR(i40e_dbg_root))
1825 pr_info("init of debugfs failed\n");
1826}
1827
1828/**
1829 * i40e_dbg_exit - clean out the driver's debugfs entries
1830 **/
1831void i40e_dbg_exit(void)
1832{
1833 debugfs_remove_recursive(i40e_dbg_root);
1834 i40e_dbg_root = NULL;
1835}
1836
1837#endif /* CONFIG_DEBUG_FS */