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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/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2016 Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
17 *
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 ******************************************************************************/
26
27#ifdef CONFIG_DEBUG_FS
28
29#include <linux/fs.h>
30#include <linux/debugfs.h>
31
32#include "i40e.h"
33
34static struct dentry *i40e_dbg_root;
35
36/**
37 * i40e_dbg_find_vsi - searches for the vsi with the given seid
38 * @pf - the PF structure to search for the vsi
39 * @seid - seid of the vsi it is searching for
40 **/
41static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
42{
43 int i;
44
45 if (seid < 0)
46 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
47 else
48 for (i = 0; i < pf->num_alloc_vsi; i++)
49 if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
50 return pf->vsi[i];
51
52 return NULL;
53}
54
55/**
56 * i40e_dbg_find_veb - searches for the veb with the given seid
57 * @pf - the PF structure to search for the veb
58 * @seid - seid of the veb it is searching for
59 **/
60static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
61{
62 int i;
63
64 for (i = 0; i < I40E_MAX_VEB; i++)
65 if (pf->veb[i] && pf->veb[i]->seid == seid)
66 return pf->veb[i];
67 return NULL;
68}
69
70/**************************************************************
71 * command
72 * The command entry in debugfs is for giving the driver commands
73 * to be executed - these may be for changing the internal switch
74 * setup, adding or removing filters, or other things. Many of
75 * these will be useful for some forms of unit testing.
76 **************************************************************/
77static char i40e_dbg_command_buf[256] = "";
78
79/**
80 * i40e_dbg_command_read - read for command datum
81 * @filp: the opened file
82 * @buffer: where to write the data for the user to read
83 * @count: the size of the user's buffer
84 * @ppos: file position offset
85 **/
86static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
87 size_t count, loff_t *ppos)
88{
89 struct i40e_pf *pf = filp->private_data;
90 int bytes_not_copied;
91 int buf_size = 256;
92 char *buf;
93 int len;
94
95 /* don't allow partial reads */
96 if (*ppos != 0)
97 return 0;
98 if (count < buf_size)
99 return -ENOSPC;
100
101 buf = kzalloc(buf_size, GFP_KERNEL);
102 if (!buf)
103 return -ENOSPC;
104
105 len = snprintf(buf, buf_size, "%s: %s\n",
106 pf->vsi[pf->lan_vsi]->netdev->name,
107 i40e_dbg_command_buf);
108
109 bytes_not_copied = copy_to_user(buffer, buf, len);
110 kfree(buf);
111
112 if (bytes_not_copied)
113 return -EFAULT;
114
115 *ppos = len;
116 return len;
117}
118
119static char *i40e_filter_state_string[] = {
120 "INVALID",
121 "NEW",
122 "ACTIVE",
123 "FAILED",
124 "REMOVE",
125};
126
127/**
128 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
129 * @pf: the i40e_pf created in command write
130 * @seid: the seid the user put in
131 **/
132static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
133{
134 struct rtnl_link_stats64 *nstat;
135 struct i40e_mac_filter *f;
136 struct i40e_vsi *vsi;
137 int i, bkt;
138
139 vsi = i40e_dbg_find_vsi(pf, seid);
140 if (!vsi) {
141 dev_info(&pf->pdev->dev,
142 "dump %d: seid not found\n", seid);
143 return;
144 }
145 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
146 if (vsi->netdev) {
147 struct net_device *nd = vsi->netdev;
148
149 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n",
150 nd->name, nd->state, nd->flags);
151 dev_info(&pf->pdev->dev, " features = 0x%08lx\n",
152 (unsigned long int)nd->features);
153 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n",
154 (unsigned long int)nd->hw_features);
155 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n",
156 (unsigned long int)nd->vlan_features);
157 }
158 dev_info(&pf->pdev->dev,
159 " vlgrp: & = %p\n", vsi->active_vlans);
160 dev_info(&pf->pdev->dev,
161 " state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
162 vsi->state, vsi->flags,
163 vsi->netdev_registered, vsi->current_netdev_flags);
164 if (vsi == pf->vsi[pf->lan_vsi])
165 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
166 pf->hw.mac.addr,
167 pf->hw.mac.san_addr,
168 pf->hw.mac.port_addr);
169 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
170 dev_info(&pf->pdev->dev,
171 " mac_filter_hash: %pM vid=%d, state %s\n",
172 f->macaddr, f->vlan,
173 i40e_filter_state_string[f->state]);
174 }
175 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n",
176 vsi->active_filters, vsi->promisc_threshold,
177 (test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state) ?
178 "ON" : "OFF"));
179 nstat = i40e_get_vsi_stats_struct(vsi);
180 dev_info(&pf->pdev->dev,
181 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
182 (unsigned long int)nstat->rx_packets,
183 (unsigned long int)nstat->rx_bytes,
184 (unsigned long int)nstat->rx_errors,
185 (unsigned long int)nstat->rx_dropped);
186 dev_info(&pf->pdev->dev,
187 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
188 (unsigned long int)nstat->tx_packets,
189 (unsigned long int)nstat->tx_bytes,
190 (unsigned long int)nstat->tx_errors,
191 (unsigned long int)nstat->tx_dropped);
192 dev_info(&pf->pdev->dev,
193 " net_stats: multicast = %lu, collisions = %lu\n",
194 (unsigned long int)nstat->multicast,
195 (unsigned long int)nstat->collisions);
196 dev_info(&pf->pdev->dev,
197 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
198 (unsigned long int)nstat->rx_length_errors,
199 (unsigned long int)nstat->rx_over_errors,
200 (unsigned long int)nstat->rx_crc_errors);
201 dev_info(&pf->pdev->dev,
202 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
203 (unsigned long int)nstat->rx_frame_errors,
204 (unsigned long int)nstat->rx_fifo_errors,
205 (unsigned long int)nstat->rx_missed_errors);
206 dev_info(&pf->pdev->dev,
207 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
208 (unsigned long int)nstat->tx_aborted_errors,
209 (unsigned long int)nstat->tx_carrier_errors,
210 (unsigned long int)nstat->tx_fifo_errors);
211 dev_info(&pf->pdev->dev,
212 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
213 (unsigned long int)nstat->tx_heartbeat_errors,
214 (unsigned long int)nstat->tx_window_errors);
215 dev_info(&pf->pdev->dev,
216 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
217 (unsigned long int)nstat->rx_compressed,
218 (unsigned long int)nstat->tx_compressed);
219 dev_info(&pf->pdev->dev,
220 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
221 (unsigned long int)vsi->net_stats_offsets.rx_packets,
222 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
223 (unsigned long int)vsi->net_stats_offsets.rx_errors,
224 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
225 dev_info(&pf->pdev->dev,
226 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
227 (unsigned long int)vsi->net_stats_offsets.tx_packets,
228 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
229 (unsigned long int)vsi->net_stats_offsets.tx_errors,
230 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
231 dev_info(&pf->pdev->dev,
232 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
233 (unsigned long int)vsi->net_stats_offsets.multicast,
234 (unsigned long int)vsi->net_stats_offsets.collisions);
235 dev_info(&pf->pdev->dev,
236 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
237 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
238 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
239 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
240 dev_info(&pf->pdev->dev,
241 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
242 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
243 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
244 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
245 dev_info(&pf->pdev->dev,
246 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
247 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
248 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
249 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
250 dev_info(&pf->pdev->dev,
251 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
252 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
253 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
254 dev_info(&pf->pdev->dev,
255 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
256 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
257 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
258 dev_info(&pf->pdev->dev,
259 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
260 vsi->tx_restart, vsi->tx_busy,
261 vsi->rx_buf_failed, vsi->rx_page_failed);
262 rcu_read_lock();
263 for (i = 0; i < vsi->num_queue_pairs; i++) {
264 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
265
266 if (!rx_ring)
267 continue;
268
269 dev_info(&pf->pdev->dev,
270 " rx_rings[%i]: desc = %p\n",
271 i, rx_ring->desc);
272 dev_info(&pf->pdev->dev,
273 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
274 i, rx_ring->dev,
275 rx_ring->netdev,
276 rx_ring->rx_bi);
277 dev_info(&pf->pdev->dev,
278 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
279 i, rx_ring->state,
280 rx_ring->queue_index,
281 rx_ring->reg_idx);
282 dev_info(&pf->pdev->dev,
283 " rx_rings[%i]: rx_buf_len = %d\n",
284 i, rx_ring->rx_buf_len);
285 dev_info(&pf->pdev->dev,
286 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
287 i,
288 rx_ring->next_to_use,
289 rx_ring->next_to_clean,
290 rx_ring->ring_active);
291 dev_info(&pf->pdev->dev,
292 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
293 i, rx_ring->stats.packets,
294 rx_ring->stats.bytes,
295 rx_ring->rx_stats.non_eop_descs);
296 dev_info(&pf->pdev->dev,
297 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
298 i,
299 rx_ring->rx_stats.alloc_page_failed,
300 rx_ring->rx_stats.alloc_buff_failed);
301 dev_info(&pf->pdev->dev,
302 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
303 i,
304 rx_ring->rx_stats.realloc_count,
305 rx_ring->rx_stats.page_reuse_count);
306 dev_info(&pf->pdev->dev,
307 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
308 i, rx_ring->size,
309 (unsigned long int)rx_ring->dma);
310 dev_info(&pf->pdev->dev,
311 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
312 i, rx_ring->vsi,
313 rx_ring->q_vector);
314 dev_info(&pf->pdev->dev,
315 " rx_rings[%i]: rx_itr_setting = %d (%s)\n",
316 i, rx_ring->rx_itr_setting,
317 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed");
318 }
319 for (i = 0; i < vsi->num_queue_pairs; i++) {
320 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
321
322 if (!tx_ring)
323 continue;
324
325 dev_info(&pf->pdev->dev,
326 " tx_rings[%i]: desc = %p\n",
327 i, tx_ring->desc);
328 dev_info(&pf->pdev->dev,
329 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
330 i, tx_ring->dev,
331 tx_ring->netdev,
332 tx_ring->tx_bi);
333 dev_info(&pf->pdev->dev,
334 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
335 i, tx_ring->state,
336 tx_ring->queue_index,
337 tx_ring->reg_idx);
338 dev_info(&pf->pdev->dev,
339 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
340 i,
341 tx_ring->next_to_use,
342 tx_ring->next_to_clean,
343 tx_ring->ring_active);
344 dev_info(&pf->pdev->dev,
345 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
346 i, tx_ring->stats.packets,
347 tx_ring->stats.bytes,
348 tx_ring->tx_stats.restart_queue);
349 dev_info(&pf->pdev->dev,
350 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
351 i,
352 tx_ring->tx_stats.tx_busy,
353 tx_ring->tx_stats.tx_done_old);
354 dev_info(&pf->pdev->dev,
355 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
356 i, tx_ring->size,
357 (unsigned long int)tx_ring->dma);
358 dev_info(&pf->pdev->dev,
359 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
360 i, tx_ring->vsi,
361 tx_ring->q_vector);
362 dev_info(&pf->pdev->dev,
363 " tx_rings[%i]: DCB tc = %d\n",
364 i, tx_ring->dcb_tc);
365 dev_info(&pf->pdev->dev,
366 " tx_rings[%i]: tx_itr_setting = %d (%s)\n",
367 i, tx_ring->tx_itr_setting,
368 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed");
369 }
370 rcu_read_unlock();
371 dev_info(&pf->pdev->dev,
372 " work_limit = %d\n",
373 vsi->work_limit);
374 dev_info(&pf->pdev->dev,
375 " max_frame = %d, rx_buf_len = %d dtype = %d\n",
376 vsi->max_frame, vsi->rx_buf_len, 0);
377 dev_info(&pf->pdev->dev,
378 " num_q_vectors = %i, base_vector = %i\n",
379 vsi->num_q_vectors, vsi->base_vector);
380 dev_info(&pf->pdev->dev,
381 " seid = %d, id = %d, uplink_seid = %d\n",
382 vsi->seid, vsi->id, vsi->uplink_seid);
383 dev_info(&pf->pdev->dev,
384 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
385 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
386 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
387 dev_info(&pf->pdev->dev,
388 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
389 vsi->info.valid_sections, vsi->info.switch_id);
390 dev_info(&pf->pdev->dev,
391 " info: sw_reserved[] = 0x%02x 0x%02x\n",
392 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
393 dev_info(&pf->pdev->dev,
394 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
395 vsi->info.sec_flags, vsi->info.sec_reserved);
396 dev_info(&pf->pdev->dev,
397 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
398 vsi->info.pvid, vsi->info.fcoe_pvid,
399 vsi->info.port_vlan_flags);
400 dev_info(&pf->pdev->dev,
401 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
402 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
403 vsi->info.pvlan_reserved[2]);
404 dev_info(&pf->pdev->dev,
405 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
406 vsi->info.ingress_table, vsi->info.egress_table);
407 dev_info(&pf->pdev->dev,
408 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
409 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
410 vsi->info.cas_pv_reserved);
411 dev_info(&pf->pdev->dev,
412 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
413 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
414 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
415 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
416 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
417 dev_info(&pf->pdev->dev,
418 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
419 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
420 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
421 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
422 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
423 dev_info(&pf->pdev->dev,
424 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
425 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
426 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
427 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
428 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
429 dev_info(&pf->pdev->dev,
430 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
431 vsi->info.queueing_opt_flags,
432 vsi->info.queueing_opt_reserved[0],
433 vsi->info.queueing_opt_reserved[1],
434 vsi->info.queueing_opt_reserved[2]);
435 dev_info(&pf->pdev->dev,
436 " info: up_enable_bits = 0x%02x\n",
437 vsi->info.up_enable_bits);
438 dev_info(&pf->pdev->dev,
439 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
440 vsi->info.sched_reserved, vsi->info.outer_up_table);
441 dev_info(&pf->pdev->dev,
442 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
443 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
444 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
445 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
446 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
447 dev_info(&pf->pdev->dev,
448 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
449 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
450 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
451 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
452 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
453 dev_info(&pf->pdev->dev,
454 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
455 vsi->info.stat_counter_idx, vsi->info.sched_id);
456 dev_info(&pf->pdev->dev,
457 " 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",
458 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
459 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
460 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
461 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
462 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
463 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
464 if (vsi->back)
465 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back);
466 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
467 dev_info(&pf->pdev->dev,
468 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
469 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
470 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
471 dev_info(&pf->pdev->dev,
472 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
473 i, vsi->tc_config.tc_info[i].qoffset,
474 vsi->tc_config.tc_info[i].qcount,
475 vsi->tc_config.tc_info[i].netdev_tc);
476 }
477 dev_info(&pf->pdev->dev,
478 " bw: bw_limit = %d, bw_max_quanta = %d\n",
479 vsi->bw_limit, vsi->bw_max_quanta);
480 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
481 dev_info(&pf->pdev->dev,
482 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
483 i, vsi->bw_ets_share_credits[i],
484 vsi->bw_ets_limit_credits[i],
485 vsi->bw_ets_max_quanta[i]);
486 }
487#ifdef I40E_FCOE
488 if (vsi->type == I40E_VSI_FCOE) {
489 dev_info(&pf->pdev->dev,
490 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
491 vsi->fcoe_stats.rx_fcoe_packets,
492 vsi->fcoe_stats.rx_fcoe_dwords,
493 vsi->fcoe_stats.rx_fcoe_dropped);
494 dev_info(&pf->pdev->dev,
495 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
496 vsi->fcoe_stats.tx_fcoe_packets,
497 vsi->fcoe_stats.tx_fcoe_dwords);
498 dev_info(&pf->pdev->dev,
499 " fcoe_stats: bad_crc = %llu, last_error = %llu\n",
500 vsi->fcoe_stats.fcoe_bad_fccrc,
501 vsi->fcoe_stats.fcoe_last_error);
502 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n",
503 vsi->fcoe_stats.fcoe_ddp_count);
504 }
505#endif
506}
507
508/**
509 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
510 * @pf: the i40e_pf created in command write
511 **/
512static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
513{
514 struct i40e_adminq_ring *ring;
515 struct i40e_hw *hw = &pf->hw;
516 char hdr[32];
517 int i;
518
519 snprintf(hdr, sizeof(hdr), "%s %s: ",
520 dev_driver_string(&pf->pdev->dev),
521 dev_name(&pf->pdev->dev));
522
523 /* first the send (command) ring, then the receive (event) ring */
524 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
525 ring = &(hw->aq.asq);
526 for (i = 0; i < ring->count; i++) {
527 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
528
529 dev_info(&pf->pdev->dev,
530 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
531 i, d->flags, d->opcode, d->datalen, d->retval,
532 d->cookie_high, d->cookie_low);
533 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
534 16, 1, d->params.raw, 16, 0);
535 }
536
537 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
538 ring = &(hw->aq.arq);
539 for (i = 0; i < ring->count; i++) {
540 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
541
542 dev_info(&pf->pdev->dev,
543 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
544 i, d->flags, d->opcode, d->datalen, d->retval,
545 d->cookie_high, d->cookie_low);
546 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
547 16, 1, d->params.raw, 16, 0);
548 }
549}
550
551/**
552 * i40e_dbg_dump_desc - handles dump desc write into command datum
553 * @cnt: number of arguments that the user supplied
554 * @vsi_seid: vsi id entered by user
555 * @ring_id: ring id entered by user
556 * @desc_n: descriptor number entered by user
557 * @pf: the i40e_pf created in command write
558 * @is_rx_ring: true if rx, false if tx
559 **/
560static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
561 struct i40e_pf *pf, bool is_rx_ring)
562{
563 struct i40e_tx_desc *txd;
564 union i40e_rx_desc *rxd;
565 struct i40e_ring *ring;
566 struct i40e_vsi *vsi;
567 int i;
568
569 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
570 if (!vsi) {
571 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
572 return;
573 }
574 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
575 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
576 return;
577 }
578 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
579 dev_info(&pf->pdev->dev,
580 "descriptor rings have not been allocated for vsi %d\n",
581 vsi_seid);
582 return;
583 }
584
585 ring = kmemdup(is_rx_ring
586 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
587 sizeof(*ring), GFP_KERNEL);
588 if (!ring)
589 return;
590
591 if (cnt == 2) {
592 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
593 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
594 for (i = 0; i < ring->count; i++) {
595 if (!is_rx_ring) {
596 txd = I40E_TX_DESC(ring, i);
597 dev_info(&pf->pdev->dev,
598 " d[%03x] = 0x%016llx 0x%016llx\n",
599 i, txd->buffer_addr,
600 txd->cmd_type_offset_bsz);
601 } else {
602 rxd = I40E_RX_DESC(ring, i);
603 dev_info(&pf->pdev->dev,
604 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
605 i, rxd->read.pkt_addr,
606 rxd->read.hdr_addr,
607 rxd->read.rsvd1, rxd->read.rsvd2);
608 }
609 }
610 } else if (cnt == 3) {
611 if (desc_n >= ring->count || desc_n < 0) {
612 dev_info(&pf->pdev->dev,
613 "descriptor %d not found\n", desc_n);
614 goto out;
615 }
616 if (!is_rx_ring) {
617 txd = I40E_TX_DESC(ring, desc_n);
618 dev_info(&pf->pdev->dev,
619 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
620 vsi_seid, ring_id, desc_n,
621 txd->buffer_addr, txd->cmd_type_offset_bsz);
622 } else {
623 rxd = I40E_RX_DESC(ring, desc_n);
624 dev_info(&pf->pdev->dev,
625 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
626 vsi_seid, ring_id, desc_n,
627 rxd->read.pkt_addr, rxd->read.hdr_addr,
628 rxd->read.rsvd1, rxd->read.rsvd2);
629 }
630 } else {
631 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
632 }
633
634out:
635 kfree(ring);
636}
637
638/**
639 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
640 * @pf: the i40e_pf created in command write
641 **/
642static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
643{
644 int i;
645
646 for (i = 0; i < pf->num_alloc_vsi; i++)
647 if (pf->vsi[i])
648 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
649 i, pf->vsi[i]->seid);
650}
651
652/**
653 * i40e_dbg_dump_stats - handles dump stats write into command datum
654 * @pf: the i40e_pf created in command write
655 * @estats: the eth stats structure to be dumped
656 **/
657static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
658 struct i40e_eth_stats *estats)
659{
660 dev_info(&pf->pdev->dev, " ethstats:\n");
661 dev_info(&pf->pdev->dev,
662 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
663 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
664 dev_info(&pf->pdev->dev,
665 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
666 estats->rx_broadcast, estats->rx_discards);
667 dev_info(&pf->pdev->dev,
668 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
669 estats->rx_unknown_protocol, estats->tx_bytes);
670 dev_info(&pf->pdev->dev,
671 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
672 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
673 dev_info(&pf->pdev->dev,
674 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
675 estats->tx_discards, estats->tx_errors);
676}
677
678/**
679 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
680 * @pf: the i40e_pf created in command write
681 * @seid: the seid the user put in
682 **/
683static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
684{
685 struct i40e_veb *veb;
686
687 veb = i40e_dbg_find_veb(pf, seid);
688 if (!veb) {
689 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
690 return;
691 }
692 dev_info(&pf->pdev->dev,
693 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n",
694 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
695 veb->uplink_seid,
696 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
697 i40e_dbg_dump_eth_stats(pf, &veb->stats);
698}
699
700/**
701 * i40e_dbg_dump_veb_all - dumps all known veb's stats
702 * @pf: the i40e_pf created in command write
703 **/
704static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
705{
706 struct i40e_veb *veb;
707 int i;
708
709 for (i = 0; i < I40E_MAX_VEB; i++) {
710 veb = pf->veb[i];
711 if (veb)
712 i40e_dbg_dump_veb_seid(pf, veb->seid);
713 }
714}
715
716#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
717/**
718 * i40e_dbg_command_write - write into command datum
719 * @filp: the opened file
720 * @buffer: where to find the user's data
721 * @count: the length of the user's data
722 * @ppos: file position offset
723 **/
724static ssize_t i40e_dbg_command_write(struct file *filp,
725 const char __user *buffer,
726 size_t count, loff_t *ppos)
727{
728 struct i40e_pf *pf = filp->private_data;
729 char *cmd_buf, *cmd_buf_tmp;
730 int bytes_not_copied;
731 struct i40e_vsi *vsi;
732 int vsi_seid;
733 int veb_seid;
734 int cnt;
735
736 /* don't allow partial writes */
737 if (*ppos != 0)
738 return 0;
739
740 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
741 if (!cmd_buf)
742 return count;
743 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
744 if (bytes_not_copied) {
745 kfree(cmd_buf);
746 return -EFAULT;
747 }
748 cmd_buf[count] = '\0';
749
750 cmd_buf_tmp = strchr(cmd_buf, '\n');
751 if (cmd_buf_tmp) {
752 *cmd_buf_tmp = '\0';
753 count = cmd_buf_tmp - cmd_buf + 1;
754 }
755
756 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
757 vsi_seid = -1;
758 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
759 if (cnt == 0) {
760 /* default to PF VSI */
761 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
762 } else if (vsi_seid < 0) {
763 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
764 vsi_seid);
765 goto command_write_done;
766 }
767
768 /* By default we are in VEPA mode, if this is the first VF/VMDq
769 * VSI to be added switch to VEB mode.
770 */
771 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
772 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
773 i40e_do_reset_safe(pf,
774 BIT_ULL(__I40E_PF_RESET_REQUESTED));
775 }
776
777 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
778 if (vsi)
779 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
780 vsi->seid, vsi->uplink_seid);
781 else
782 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
783
784 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
785 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
786 if (cnt != 1) {
787 dev_info(&pf->pdev->dev,
788 "del vsi: bad command string, cnt=%d\n",
789 cnt);
790 goto command_write_done;
791 }
792 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
793 if (!vsi) {
794 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
795 vsi_seid);
796 goto command_write_done;
797 }
798
799 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
800 i40e_vsi_release(vsi);
801
802 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
803 struct i40e_veb *veb;
804 int uplink_seid, i;
805
806 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
807 if (cnt != 2) {
808 dev_info(&pf->pdev->dev,
809 "add relay: bad command string, cnt=%d\n",
810 cnt);
811 goto command_write_done;
812 } else if (uplink_seid < 0) {
813 dev_info(&pf->pdev->dev,
814 "add relay %d: bad uplink seid\n",
815 uplink_seid);
816 goto command_write_done;
817 }
818
819 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
820 if (!vsi) {
821 dev_info(&pf->pdev->dev,
822 "add relay: VSI %d not found\n", vsi_seid);
823 goto command_write_done;
824 }
825
826 for (i = 0; i < I40E_MAX_VEB; i++)
827 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
828 break;
829 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
830 uplink_seid != pf->mac_seid) {
831 dev_info(&pf->pdev->dev,
832 "add relay: relay uplink %d not found\n",
833 uplink_seid);
834 goto command_write_done;
835 }
836
837 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
838 vsi->tc_config.enabled_tc);
839 if (veb)
840 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
841 else
842 dev_info(&pf->pdev->dev, "add relay failed\n");
843
844 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
845 int i;
846 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
847 if (cnt != 1) {
848 dev_info(&pf->pdev->dev,
849 "del relay: bad command string, cnt=%d\n",
850 cnt);
851 goto command_write_done;
852 } else if (veb_seid < 0) {
853 dev_info(&pf->pdev->dev,
854 "del relay %d: bad relay seid\n", veb_seid);
855 goto command_write_done;
856 }
857
858 /* find the veb */
859 for (i = 0; i < I40E_MAX_VEB; i++)
860 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
861 break;
862 if (i >= I40E_MAX_VEB) {
863 dev_info(&pf->pdev->dev,
864 "del relay: relay %d not found\n", veb_seid);
865 goto command_write_done;
866 }
867
868 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
869 i40e_veb_release(pf->veb[i]);
870 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
871 i40e_status ret;
872 u16 vid;
873 unsigned int v;
874
875 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
876 if (cnt != 2) {
877 dev_info(&pf->pdev->dev,
878 "add pvid: bad command string, cnt=%d\n", cnt);
879 goto command_write_done;
880 }
881
882 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
883 if (!vsi) {
884 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
885 vsi_seid);
886 goto command_write_done;
887 }
888
889 vid = v;
890 ret = i40e_vsi_add_pvid(vsi, vid);
891 if (!ret)
892 dev_info(&pf->pdev->dev,
893 "add pvid: %d added to VSI %d\n",
894 vid, vsi_seid);
895 else
896 dev_info(&pf->pdev->dev,
897 "add pvid: %d to VSI %d failed, ret=%d\n",
898 vid, vsi_seid, ret);
899
900 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
901
902 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
903 if (cnt != 1) {
904 dev_info(&pf->pdev->dev,
905 "del pvid: bad command string, cnt=%d\n",
906 cnt);
907 goto command_write_done;
908 }
909
910 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
911 if (!vsi) {
912 dev_info(&pf->pdev->dev,
913 "del pvid: VSI %d not found\n", vsi_seid);
914 goto command_write_done;
915 }
916
917 i40e_vsi_remove_pvid(vsi);
918 dev_info(&pf->pdev->dev,
919 "del pvid: removed from VSI %d\n", vsi_seid);
920
921 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
922 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
923 i40e_fetch_switch_configuration(pf, true);
924 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
925 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
926 if (cnt > 0)
927 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
928 else
929 i40e_dbg_dump_vsi_no_seid(pf);
930 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
931 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
932 if (cnt > 0)
933 i40e_dbg_dump_veb_seid(pf, vsi_seid);
934 else
935 i40e_dbg_dump_veb_all(pf);
936 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
937 int ring_id, desc_n;
938 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
939 cnt = sscanf(&cmd_buf[12], "%i %i %i",
940 &vsi_seid, &ring_id, &desc_n);
941 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
942 desc_n, pf, true);
943 } else if (strncmp(&cmd_buf[10], "tx", 2)
944 == 0) {
945 cnt = sscanf(&cmd_buf[12], "%i %i %i",
946 &vsi_seid, &ring_id, &desc_n);
947 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
948 desc_n, pf, false);
949 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
950 i40e_dbg_dump_aq_desc(pf);
951 } else {
952 dev_info(&pf->pdev->dev,
953 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
954 dev_info(&pf->pdev->dev,
955 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
956 dev_info(&pf->pdev->dev, "dump desc aq\n");
957 }
958 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
959 dev_info(&pf->pdev->dev,
960 "core reset count: %d\n", pf->corer_count);
961 dev_info(&pf->pdev->dev,
962 "global reset count: %d\n", pf->globr_count);
963 dev_info(&pf->pdev->dev,
964 "emp reset count: %d\n", pf->empr_count);
965 dev_info(&pf->pdev->dev,
966 "pf reset count: %d\n", pf->pfr_count);
967 dev_info(&pf->pdev->dev,
968 "pf tx sluggish count: %d\n",
969 pf->tx_sluggish_count);
970 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
971 struct i40e_aqc_query_port_ets_config_resp *bw_data;
972 struct i40e_dcbx_config *cfg =
973 &pf->hw.local_dcbx_config;
974 struct i40e_dcbx_config *r_cfg =
975 &pf->hw.remote_dcbx_config;
976 int i, ret;
977 u32 switch_id;
978
979 bw_data = kzalloc(sizeof(
980 struct i40e_aqc_query_port_ets_config_resp),
981 GFP_KERNEL);
982 if (!bw_data) {
983 ret = -ENOMEM;
984 goto command_write_done;
985 }
986
987 vsi = pf->vsi[pf->lan_vsi];
988 switch_id =
989 vsi->info.switch_id & I40E_AQ_VSI_SW_ID_MASK;
990
991 ret = i40e_aq_query_port_ets_config(&pf->hw,
992 switch_id,
993 bw_data, NULL);
994 if (ret) {
995 dev_info(&pf->pdev->dev,
996 "Query Port ETS Config AQ command failed =0x%x\n",
997 pf->hw.aq.asq_last_status);
998 kfree(bw_data);
999 bw_data = NULL;
1000 goto command_write_done;
1001 }
1002 dev_info(&pf->pdev->dev,
1003 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1004 bw_data->tc_valid_bits,
1005 bw_data->tc_strict_priority_bits,
1006 le16_to_cpu(bw_data->tc_bw_max[0]),
1007 le16_to_cpu(bw_data->tc_bw_max[1]));
1008 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1009 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1010 bw_data->tc_bw_share_credits[i],
1011 le16_to_cpu(bw_data->tc_bw_limits[i]));
1012 }
1013
1014 kfree(bw_data);
1015 bw_data = NULL;
1016
1017 dev_info(&pf->pdev->dev,
1018 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1019 dev_info(&pf->pdev->dev,
1020 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1021 cfg->etscfg.willing, cfg->etscfg.cbs,
1022 cfg->etscfg.maxtcs);
1023 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1024 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1025 i, cfg->etscfg.prioritytable[i],
1026 cfg->etscfg.tcbwtable[i],
1027 cfg->etscfg.tsatable[i]);
1028 }
1029 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1030 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1031 i, cfg->etsrec.prioritytable[i],
1032 cfg->etsrec.tcbwtable[i],
1033 cfg->etsrec.tsatable[i]);
1034 }
1035 dev_info(&pf->pdev->dev,
1036 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1037 cfg->pfc.willing, cfg->pfc.mbc,
1038 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1039 dev_info(&pf->pdev->dev,
1040 "port app_table: num_apps=%d\n", cfg->numapps);
1041 for (i = 0; i < cfg->numapps; i++) {
1042 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1043 i, cfg->app[i].priority,
1044 cfg->app[i].selector,
1045 cfg->app[i].protocolid);
1046 }
1047 /* Peer TLV DCBX data */
1048 dev_info(&pf->pdev->dev,
1049 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1050 r_cfg->etscfg.willing,
1051 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1052 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1053 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1054 i, r_cfg->etscfg.prioritytable[i],
1055 r_cfg->etscfg.tcbwtable[i],
1056 r_cfg->etscfg.tsatable[i]);
1057 }
1058 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1059 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1060 i, r_cfg->etsrec.prioritytable[i],
1061 r_cfg->etsrec.tcbwtable[i],
1062 r_cfg->etsrec.tsatable[i]);
1063 }
1064 dev_info(&pf->pdev->dev,
1065 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1066 r_cfg->pfc.willing,
1067 r_cfg->pfc.mbc,
1068 r_cfg->pfc.pfccap,
1069 r_cfg->pfc.pfcenable);
1070 dev_info(&pf->pdev->dev,
1071 "remote port app_table: num_apps=%d\n",
1072 r_cfg->numapps);
1073 for (i = 0; i < r_cfg->numapps; i++) {
1074 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1075 i, r_cfg->app[i].priority,
1076 r_cfg->app[i].selector,
1077 r_cfg->app[i].protocolid);
1078 }
1079 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1080 int cluster_id, table_id;
1081 int index, ret;
1082 u16 buff_len = 4096;
1083 u32 next_index;
1084 u8 next_table;
1085 u8 *buff;
1086 u16 rlen;
1087
1088 cnt = sscanf(&cmd_buf[18], "%i %i %i",
1089 &cluster_id, &table_id, &index);
1090 if (cnt != 3) {
1091 dev_info(&pf->pdev->dev,
1092 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1093 goto command_write_done;
1094 }
1095
1096 dev_info(&pf->pdev->dev,
1097 "AQ debug dump fwdata params %x %x %x %x\n",
1098 cluster_id, table_id, index, buff_len);
1099 buff = kzalloc(buff_len, GFP_KERNEL);
1100 if (!buff)
1101 goto command_write_done;
1102
1103 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1104 index, buff_len, buff, &rlen,
1105 &next_table, &next_index,
1106 NULL);
1107 if (ret) {
1108 dev_info(&pf->pdev->dev,
1109 "debug dump fwdata AQ Failed %d 0x%x\n",
1110 ret, pf->hw.aq.asq_last_status);
1111 kfree(buff);
1112 buff = NULL;
1113 goto command_write_done;
1114 }
1115 dev_info(&pf->pdev->dev,
1116 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1117 rlen, next_table, next_index);
1118 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1119 DUMP_PREFIX_OFFSET, 16, 1,
1120 buff, rlen, true);
1121 kfree(buff);
1122 buff = NULL;
1123 } else {
1124 dev_info(&pf->pdev->dev,
1125 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1126 dev_info(&pf->pdev->dev, "dump switch\n");
1127 dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1128 dev_info(&pf->pdev->dev, "dump reset stats\n");
1129 dev_info(&pf->pdev->dev, "dump port\n");
1130 dev_info(&pf->pdev->dev,
1131 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1132 }
1133 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1134 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1135 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1136
1137 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1138 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1139 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1140
1141 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1142 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1143 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1144
1145 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1146 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1147 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1148
1149 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1150 u32 address;
1151 u32 value;
1152
1153 cnt = sscanf(&cmd_buf[4], "%i", &address);
1154 if (cnt != 1) {
1155 dev_info(&pf->pdev->dev, "read <reg>\n");
1156 goto command_write_done;
1157 }
1158
1159 /* check the range on address */
1160 if (address > (pf->ioremap_len - sizeof(u32))) {
1161 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1162 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1163 goto command_write_done;
1164 }
1165
1166 value = rd32(&pf->hw, address);
1167 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1168 address, value);
1169
1170 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1171 u32 address, value;
1172
1173 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1174 if (cnt != 2) {
1175 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1176 goto command_write_done;
1177 }
1178
1179 /* check the range on address */
1180 if (address > (pf->ioremap_len - sizeof(u32))) {
1181 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1182 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1183 goto command_write_done;
1184 }
1185 wr32(&pf->hw, address, value);
1186 value = rd32(&pf->hw, address);
1187 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1188 address, value);
1189 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1190 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1191 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1192 if (cnt == 0) {
1193 int i;
1194
1195 for (i = 0; i < pf->num_alloc_vsi; i++)
1196 i40e_vsi_reset_stats(pf->vsi[i]);
1197 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1198 } else if (cnt == 1) {
1199 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1200 if (!vsi) {
1201 dev_info(&pf->pdev->dev,
1202 "clear_stats vsi: bad vsi %d\n",
1203 vsi_seid);
1204 goto command_write_done;
1205 }
1206 i40e_vsi_reset_stats(vsi);
1207 dev_info(&pf->pdev->dev,
1208 "vsi clear stats called for vsi %d\n",
1209 vsi_seid);
1210 } else {
1211 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1212 }
1213 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1214 if (pf->hw.partition_id == 1) {
1215 i40e_pf_reset_stats(pf);
1216 dev_info(&pf->pdev->dev, "port stats cleared\n");
1217 } else {
1218 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1219 }
1220 } else {
1221 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1222 }
1223 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1224 struct i40e_aq_desc *desc;
1225 i40e_status ret;
1226
1227 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1228 if (!desc)
1229 goto command_write_done;
1230 cnt = sscanf(&cmd_buf[11],
1231 "%hi %hi %hi %hi %i %i %i %i %i %i",
1232 &desc->flags,
1233 &desc->opcode, &desc->datalen, &desc->retval,
1234 &desc->cookie_high, &desc->cookie_low,
1235 &desc->params.internal.param0,
1236 &desc->params.internal.param1,
1237 &desc->params.internal.param2,
1238 &desc->params.internal.param3);
1239 if (cnt != 10) {
1240 dev_info(&pf->pdev->dev,
1241 "send aq_cmd: bad command string, cnt=%d\n",
1242 cnt);
1243 kfree(desc);
1244 desc = NULL;
1245 goto command_write_done;
1246 }
1247 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1248 if (!ret) {
1249 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1250 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1251 dev_info(&pf->pdev->dev,
1252 "AQ command send failed Opcode %x AQ Error: %d\n",
1253 desc->opcode, pf->hw.aq.asq_last_status);
1254 } else {
1255 dev_info(&pf->pdev->dev,
1256 "AQ command send failed Opcode %x Status: %d\n",
1257 desc->opcode, ret);
1258 }
1259 dev_info(&pf->pdev->dev,
1260 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1261 desc->flags, desc->opcode, desc->datalen, desc->retval,
1262 desc->cookie_high, desc->cookie_low,
1263 desc->params.internal.param0,
1264 desc->params.internal.param1,
1265 desc->params.internal.param2,
1266 desc->params.internal.param3);
1267 kfree(desc);
1268 desc = NULL;
1269 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1270 struct i40e_aq_desc *desc;
1271 i40e_status ret;
1272 u16 buffer_len;
1273 u8 *buff;
1274
1275 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1276 if (!desc)
1277 goto command_write_done;
1278 cnt = sscanf(&cmd_buf[20],
1279 "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1280 &desc->flags,
1281 &desc->opcode, &desc->datalen, &desc->retval,
1282 &desc->cookie_high, &desc->cookie_low,
1283 &desc->params.internal.param0,
1284 &desc->params.internal.param1,
1285 &desc->params.internal.param2,
1286 &desc->params.internal.param3,
1287 &buffer_len);
1288 if (cnt != 11) {
1289 dev_info(&pf->pdev->dev,
1290 "send indirect aq_cmd: bad command string, cnt=%d\n",
1291 cnt);
1292 kfree(desc);
1293 desc = NULL;
1294 goto command_write_done;
1295 }
1296 /* Just stub a buffer big enough in case user messed up */
1297 if (buffer_len == 0)
1298 buffer_len = 1280;
1299
1300 buff = kzalloc(buffer_len, GFP_KERNEL);
1301 if (!buff) {
1302 kfree(desc);
1303 desc = NULL;
1304 goto command_write_done;
1305 }
1306 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1307 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1308 buffer_len, NULL);
1309 if (!ret) {
1310 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1311 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1312 dev_info(&pf->pdev->dev,
1313 "AQ command send failed Opcode %x AQ Error: %d\n",
1314 desc->opcode, pf->hw.aq.asq_last_status);
1315 } else {
1316 dev_info(&pf->pdev->dev,
1317 "AQ command send failed Opcode %x Status: %d\n",
1318 desc->opcode, ret);
1319 }
1320 dev_info(&pf->pdev->dev,
1321 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1322 desc->flags, desc->opcode, desc->datalen, desc->retval,
1323 desc->cookie_high, desc->cookie_low,
1324 desc->params.internal.param0,
1325 desc->params.internal.param1,
1326 desc->params.internal.param2,
1327 desc->params.internal.param3);
1328 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1329 DUMP_PREFIX_OFFSET, 16, 1,
1330 buff, buffer_len, true);
1331 kfree(buff);
1332 buff = NULL;
1333 kfree(desc);
1334 desc = NULL;
1335 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1336 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1337 i40e_get_current_fd_count(pf));
1338 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1339 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1340 int ret;
1341
1342 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1343 if (ret) {
1344 dev_info(&pf->pdev->dev,
1345 "Stop LLDP AQ command failed =0x%x\n",
1346 pf->hw.aq.asq_last_status);
1347 goto command_write_done;
1348 }
1349 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1350 pf->hw.mac.addr,
1351 I40E_ETH_P_LLDP, 0,
1352 pf->vsi[pf->lan_vsi]->seid,
1353 0, true, NULL, NULL);
1354 if (ret) {
1355 dev_info(&pf->pdev->dev,
1356 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1357 __func__, pf->hw.aq.asq_last_status);
1358 goto command_write_done;
1359 }
1360#ifdef CONFIG_I40E_DCB
1361 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1362 DCB_CAP_DCBX_VER_IEEE;
1363#endif /* CONFIG_I40E_DCB */
1364 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1365 int ret;
1366
1367 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1368 pf->hw.mac.addr,
1369 I40E_ETH_P_LLDP, 0,
1370 pf->vsi[pf->lan_vsi]->seid,
1371 0, false, NULL, NULL);
1372 if (ret) {
1373 dev_info(&pf->pdev->dev,
1374 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1375 __func__, pf->hw.aq.asq_last_status);
1376 /* Continue and start FW LLDP anyways */
1377 }
1378
1379 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1380 if (ret) {
1381 dev_info(&pf->pdev->dev,
1382 "Start LLDP AQ command failed =0x%x\n",
1383 pf->hw.aq.asq_last_status);
1384 goto command_write_done;
1385 }
1386#ifdef CONFIG_I40E_DCB
1387 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1388 DCB_CAP_DCBX_VER_IEEE;
1389#endif /* CONFIG_I40E_DCB */
1390 } else if (strncmp(&cmd_buf[5],
1391 "get local", 9) == 0) {
1392 u16 llen, rlen;
1393 int ret;
1394 u8 *buff;
1395
1396 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1397 if (!buff)
1398 goto command_write_done;
1399
1400 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1401 I40E_AQ_LLDP_MIB_LOCAL,
1402 buff, I40E_LLDPDU_SIZE,
1403 &llen, &rlen, NULL);
1404 if (ret) {
1405 dev_info(&pf->pdev->dev,
1406 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1407 pf->hw.aq.asq_last_status);
1408 kfree(buff);
1409 buff = NULL;
1410 goto command_write_done;
1411 }
1412 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1413 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1414 DUMP_PREFIX_OFFSET, 16, 1,
1415 buff, I40E_LLDPDU_SIZE, true);
1416 kfree(buff);
1417 buff = NULL;
1418 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1419 u16 llen, rlen;
1420 int ret;
1421 u8 *buff;
1422
1423 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1424 if (!buff)
1425 goto command_write_done;
1426
1427 ret = i40e_aq_get_lldp_mib(&pf->hw,
1428 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1429 I40E_AQ_LLDP_MIB_REMOTE,
1430 buff, I40E_LLDPDU_SIZE,
1431 &llen, &rlen, NULL);
1432 if (ret) {
1433 dev_info(&pf->pdev->dev,
1434 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1435 pf->hw.aq.asq_last_status);
1436 kfree(buff);
1437 buff = NULL;
1438 goto command_write_done;
1439 }
1440 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1441 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1442 DUMP_PREFIX_OFFSET, 16, 1,
1443 buff, I40E_LLDPDU_SIZE, true);
1444 kfree(buff);
1445 buff = NULL;
1446 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1447 int ret;
1448
1449 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1450 true, NULL);
1451 if (ret) {
1452 dev_info(&pf->pdev->dev,
1453 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1454 pf->hw.aq.asq_last_status);
1455 goto command_write_done;
1456 }
1457 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1458 int ret;
1459
1460 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1461 false, NULL);
1462 if (ret) {
1463 dev_info(&pf->pdev->dev,
1464 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1465 pf->hw.aq.asq_last_status);
1466 goto command_write_done;
1467 }
1468 }
1469 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1470 u16 buffer_len, bytes;
1471 u16 module;
1472 u32 offset;
1473 u16 *buff;
1474 int ret;
1475
1476 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1477 &module, &offset, &buffer_len);
1478 if (cnt == 0) {
1479 module = 0;
1480 offset = 0;
1481 buffer_len = 0;
1482 } else if (cnt == 1) {
1483 offset = 0;
1484 buffer_len = 0;
1485 } else if (cnt == 2) {
1486 buffer_len = 0;
1487 } else if (cnt > 3) {
1488 dev_info(&pf->pdev->dev,
1489 "nvm read: bad command string, cnt=%d\n", cnt);
1490 goto command_write_done;
1491 }
1492
1493 /* set the max length */
1494 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1495
1496 bytes = 2 * buffer_len;
1497
1498 /* read at least 1k bytes, no more than 4kB */
1499 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1500 buff = kzalloc(bytes, GFP_KERNEL);
1501 if (!buff)
1502 goto command_write_done;
1503
1504 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1505 if (ret) {
1506 dev_info(&pf->pdev->dev,
1507 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1508 ret, pf->hw.aq.asq_last_status);
1509 kfree(buff);
1510 goto command_write_done;
1511 }
1512
1513 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1514 bytes, (u8 *)buff, true, NULL);
1515 i40e_release_nvm(&pf->hw);
1516 if (ret) {
1517 dev_info(&pf->pdev->dev,
1518 "Read NVM AQ failed err=%d status=0x%x\n",
1519 ret, pf->hw.aq.asq_last_status);
1520 } else {
1521 dev_info(&pf->pdev->dev,
1522 "Read NVM module=0x%x offset=0x%x words=%d\n",
1523 module, offset, buffer_len);
1524 if (bytes)
1525 print_hex_dump(KERN_INFO, "NVM Dump: ",
1526 DUMP_PREFIX_OFFSET, 16, 2,
1527 buff, bytes, true);
1528 }
1529 kfree(buff);
1530 buff = NULL;
1531 } else {
1532 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1533 dev_info(&pf->pdev->dev, "available commands\n");
1534 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1535 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1536 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1537 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1538 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1539 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1540 dev_info(&pf->pdev->dev, " dump switch\n");
1541 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1542 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1543 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1544 dev_info(&pf->pdev->dev, " dump desc aq\n");
1545 dev_info(&pf->pdev->dev, " dump reset stats\n");
1546 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n");
1547 dev_info(&pf->pdev->dev, " read <reg>\n");
1548 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1549 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1550 dev_info(&pf->pdev->dev, " clear_stats port\n");
1551 dev_info(&pf->pdev->dev, " pfr\n");
1552 dev_info(&pf->pdev->dev, " corer\n");
1553 dev_info(&pf->pdev->dev, " globr\n");
1554 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1555 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1556 dev_info(&pf->pdev->dev, " fd current cnt");
1557 dev_info(&pf->pdev->dev, " lldp start\n");
1558 dev_info(&pf->pdev->dev, " lldp stop\n");
1559 dev_info(&pf->pdev->dev, " lldp get local\n");
1560 dev_info(&pf->pdev->dev, " lldp get remote\n");
1561 dev_info(&pf->pdev->dev, " lldp event on\n");
1562 dev_info(&pf->pdev->dev, " lldp event off\n");
1563 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1564 }
1565
1566command_write_done:
1567 kfree(cmd_buf);
1568 cmd_buf = NULL;
1569 return count;
1570}
1571
1572static const struct file_operations i40e_dbg_command_fops = {
1573 .owner = THIS_MODULE,
1574 .open = simple_open,
1575 .read = i40e_dbg_command_read,
1576 .write = i40e_dbg_command_write,
1577};
1578
1579/**************************************************************
1580 * netdev_ops
1581 * The netdev_ops entry in debugfs is for giving the driver commands
1582 * to be executed from the netdev operations.
1583 **************************************************************/
1584static char i40e_dbg_netdev_ops_buf[256] = "";
1585
1586/**
1587 * i40e_dbg_netdev_ops - read for netdev_ops datum
1588 * @filp: the opened file
1589 * @buffer: where to write the data for the user to read
1590 * @count: the size of the user's buffer
1591 * @ppos: file position offset
1592 **/
1593static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1594 size_t count, loff_t *ppos)
1595{
1596 struct i40e_pf *pf = filp->private_data;
1597 int bytes_not_copied;
1598 int buf_size = 256;
1599 char *buf;
1600 int len;
1601
1602 /* don't allow partal reads */
1603 if (*ppos != 0)
1604 return 0;
1605 if (count < buf_size)
1606 return -ENOSPC;
1607
1608 buf = kzalloc(buf_size, GFP_KERNEL);
1609 if (!buf)
1610 return -ENOSPC;
1611
1612 len = snprintf(buf, buf_size, "%s: %s\n",
1613 pf->vsi[pf->lan_vsi]->netdev->name,
1614 i40e_dbg_netdev_ops_buf);
1615
1616 bytes_not_copied = copy_to_user(buffer, buf, len);
1617 kfree(buf);
1618
1619 if (bytes_not_copied)
1620 return -EFAULT;
1621
1622 *ppos = len;
1623 return len;
1624}
1625
1626/**
1627 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1628 * @filp: the opened file
1629 * @buffer: where to find the user's data
1630 * @count: the length of the user's data
1631 * @ppos: file position offset
1632 **/
1633static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1634 const char __user *buffer,
1635 size_t count, loff_t *ppos)
1636{
1637 struct i40e_pf *pf = filp->private_data;
1638 int bytes_not_copied;
1639 struct i40e_vsi *vsi;
1640 char *buf_tmp;
1641 int vsi_seid;
1642 int i, cnt;
1643
1644 /* don't allow partial writes */
1645 if (*ppos != 0)
1646 return 0;
1647 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1648 return -ENOSPC;
1649
1650 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1651 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1652 buffer, count);
1653 if (bytes_not_copied)
1654 return -EFAULT;
1655 i40e_dbg_netdev_ops_buf[count] = '\0';
1656
1657 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1658 if (buf_tmp) {
1659 *buf_tmp = '\0';
1660 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1661 }
1662
1663 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1664 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1665 if (cnt != 1) {
1666 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1667 goto netdev_ops_write_done;
1668 }
1669 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1670 if (!vsi) {
1671 dev_info(&pf->pdev->dev,
1672 "tx_timeout: VSI %d not found\n", vsi_seid);
1673 } else if (!vsi->netdev) {
1674 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1675 vsi_seid);
1676 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
1677 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1678 vsi_seid);
1679 } else if (rtnl_trylock()) {
1680 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1681 rtnl_unlock();
1682 dev_info(&pf->pdev->dev, "tx_timeout called\n");
1683 } else {
1684 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1685 }
1686 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1687 int mtu;
1688
1689 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1690 &vsi_seid, &mtu);
1691 if (cnt != 2) {
1692 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1693 goto netdev_ops_write_done;
1694 }
1695 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1696 if (!vsi) {
1697 dev_info(&pf->pdev->dev,
1698 "change_mtu: VSI %d not found\n", vsi_seid);
1699 } else if (!vsi->netdev) {
1700 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1701 vsi_seid);
1702 } else if (rtnl_trylock()) {
1703 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1704 mtu);
1705 rtnl_unlock();
1706 dev_info(&pf->pdev->dev, "change_mtu called\n");
1707 } else {
1708 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1709 }
1710
1711 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1712 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1713 if (cnt != 1) {
1714 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\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 "set_rx_mode: VSI %d not found\n", vsi_seid);
1721 } else if (!vsi->netdev) {
1722 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1723 vsi_seid);
1724 } else if (rtnl_trylock()) {
1725 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1726 rtnl_unlock();
1727 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1728 } else {
1729 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1730 }
1731
1732 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1733 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1734 if (cnt != 1) {
1735 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1736 goto netdev_ops_write_done;
1737 }
1738 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1739 if (!vsi) {
1740 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1741 vsi_seid);
1742 } else if (!vsi->netdev) {
1743 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1744 vsi_seid);
1745 } else {
1746 for (i = 0; i < vsi->num_q_vectors; i++)
1747 napi_schedule(&vsi->q_vectors[i]->napi);
1748 dev_info(&pf->pdev->dev, "napi called\n");
1749 }
1750 } else {
1751 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1752 i40e_dbg_netdev_ops_buf);
1753 dev_info(&pf->pdev->dev, "available commands\n");
1754 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
1755 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
1756 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
1757 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
1758 }
1759netdev_ops_write_done:
1760 return count;
1761}
1762
1763static const struct file_operations i40e_dbg_netdev_ops_fops = {
1764 .owner = THIS_MODULE,
1765 .open = simple_open,
1766 .read = i40e_dbg_netdev_ops_read,
1767 .write = i40e_dbg_netdev_ops_write,
1768};
1769
1770/**
1771 * i40e_dbg_pf_init - setup the debugfs directory for the PF
1772 * @pf: the PF that is starting up
1773 **/
1774void i40e_dbg_pf_init(struct i40e_pf *pf)
1775{
1776 struct dentry *pfile;
1777 const char *name = pci_name(pf->pdev);
1778 const struct device *dev = &pf->pdev->dev;
1779
1780 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1781 if (!pf->i40e_dbg_pf)
1782 return;
1783
1784 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1785 &i40e_dbg_command_fops);
1786 if (!pfile)
1787 goto create_failed;
1788
1789 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1790 &i40e_dbg_netdev_ops_fops);
1791 if (!pfile)
1792 goto create_failed;
1793
1794 return;
1795
1796create_failed:
1797 dev_info(dev, "debugfs dir/file for %s failed\n", name);
1798 debugfs_remove_recursive(pf->i40e_dbg_pf);
1799}
1800
1801/**
1802 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1803 * @pf: the PF that is stopping
1804 **/
1805void i40e_dbg_pf_exit(struct i40e_pf *pf)
1806{
1807 debugfs_remove_recursive(pf->i40e_dbg_pf);
1808 pf->i40e_dbg_pf = NULL;
1809}
1810
1811/**
1812 * i40e_dbg_init - start up debugfs for the driver
1813 **/
1814void i40e_dbg_init(void)
1815{
1816 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1817 if (!i40e_dbg_root)
1818 pr_info("init of debugfs failed\n");
1819}
1820
1821/**
1822 * i40e_dbg_exit - clean out the driver's debugfs entries
1823 **/
1824void i40e_dbg_exit(void)
1825{
1826 debugfs_remove_recursive(i40e_dbg_root);
1827 i40e_dbg_root = NULL;
1828}
1829
1830#endif /* CONFIG_DEBUG_FS */