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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 - 2014 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->hw.func_caps.num_vsis; 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 if ((seid < I40E_BASE_VEB_SEID) ||
65 (seid > (I40E_BASE_VEB_SEID + I40E_MAX_VEB)))
66 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
67 else
68 for (i = 0; i < I40E_MAX_VEB; i++)
69 if (pf->veb[i] && pf->veb[i]->seid == seid)
70 return pf->veb[i];
71 return NULL;
72}
73
74/**************************************************************
75 * dump
76 * The dump entry in debugfs is for getting a data snapshow of
77 * the driver's current configuration and runtime details.
78 * When the filesystem entry is written, a snapshot is taken.
79 * When the entry is read, the most recent snapshot data is dumped.
80 **************************************************************/
81static char *i40e_dbg_dump_buf;
82static ssize_t i40e_dbg_dump_data_len;
83static ssize_t i40e_dbg_dump_buffer_len;
84
85/**
86 * i40e_dbg_dump_read - read the dump data
87 * @filp: the opened file
88 * @buffer: where to write the data for the user to read
89 * @count: the size of the user's buffer
90 * @ppos: file position offset
91 **/
92static ssize_t i40e_dbg_dump_read(struct file *filp, char __user *buffer,
93 size_t count, loff_t *ppos)
94{
95 int bytes_not_copied;
96 int len;
97
98 /* is *ppos bigger than the available data? */
99 if (*ppos >= i40e_dbg_dump_data_len || !i40e_dbg_dump_buf)
100 return 0;
101
102 /* be sure to not read beyond the end of available data */
103 len = min_t(int, count, (i40e_dbg_dump_data_len - *ppos));
104
105 bytes_not_copied = copy_to_user(buffer, &i40e_dbg_dump_buf[*ppos], len);
106 if (bytes_not_copied < 0)
107 return bytes_not_copied;
108
109 *ppos += len;
110 return len;
111}
112
113/**
114 * i40e_dbg_prep_dump_buf
115 * @pf: the pf we're working with
116 * @buflen: the desired buffer length
117 *
118 * Return positive if success, 0 if failed
119 **/
120static int i40e_dbg_prep_dump_buf(struct i40e_pf *pf, int buflen)
121{
122 /* if not already big enough, prep for re alloc */
123 if (i40e_dbg_dump_buffer_len && i40e_dbg_dump_buffer_len < buflen) {
124 kfree(i40e_dbg_dump_buf);
125 i40e_dbg_dump_buffer_len = 0;
126 i40e_dbg_dump_buf = NULL;
127 }
128
129 /* get a new buffer if needed */
130 if (!i40e_dbg_dump_buf) {
131 i40e_dbg_dump_buf = kzalloc(buflen, GFP_KERNEL);
132 if (i40e_dbg_dump_buf != NULL)
133 i40e_dbg_dump_buffer_len = buflen;
134 }
135
136 return i40e_dbg_dump_buffer_len;
137}
138
139/**
140 * i40e_dbg_dump_write - trigger a datadump snapshot
141 * @filp: the opened file
142 * @buffer: where to find the user's data
143 * @count: the length of the user's data
144 * @ppos: file position offset
145 *
146 * Any write clears the stats
147 **/
148static ssize_t i40e_dbg_dump_write(struct file *filp,
149 const char __user *buffer,
150 size_t count, loff_t *ppos)
151{
152 struct i40e_pf *pf = filp->private_data;
153 bool seid_found = false;
154 long seid = -1;
155 int buflen = 0;
156 int i, ret;
157 int len;
158 u8 *p;
159
160 /* don't allow partial writes */
161 if (*ppos != 0)
162 return 0;
163
164 /* decode the SEID given to be dumped */
165 ret = kstrtol_from_user(buffer, count, 0, &seid);
166
167 if (ret) {
168 dev_info(&pf->pdev->dev, "bad seid value\n");
169 } else if (seid == 0) {
170 seid_found = true;
171
172 kfree(i40e_dbg_dump_buf);
173 i40e_dbg_dump_buffer_len = 0;
174 i40e_dbg_dump_data_len = 0;
175 i40e_dbg_dump_buf = NULL;
176 dev_info(&pf->pdev->dev, "debug buffer freed\n");
177
178 } else if (seid == pf->pf_seid || seid == 1) {
179 seid_found = true;
180
181 buflen = sizeof(struct i40e_pf);
182 buflen += (sizeof(struct i40e_aq_desc)
183 * (pf->hw.aq.num_arq_entries + pf->hw.aq.num_asq_entries));
184
185 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
186 p = i40e_dbg_dump_buf;
187
188 len = sizeof(struct i40e_pf);
189 memcpy(p, pf, len);
190 p += len;
191
192 len = (sizeof(struct i40e_aq_desc)
193 * pf->hw.aq.num_asq_entries);
194 memcpy(p, pf->hw.aq.asq.desc_buf.va, len);
195 p += len;
196
197 len = (sizeof(struct i40e_aq_desc)
198 * pf->hw.aq.num_arq_entries);
199 memcpy(p, pf->hw.aq.arq.desc_buf.va, len);
200 p += len;
201
202 i40e_dbg_dump_data_len = buflen;
203 dev_info(&pf->pdev->dev,
204 "PF seid %ld dumped %d bytes\n",
205 seid, (int)i40e_dbg_dump_data_len);
206 }
207 } else if (seid >= I40E_BASE_VSI_SEID) {
208 struct i40e_vsi *vsi = NULL;
209 struct i40e_mac_filter *f;
210 int filter_count = 0;
211
212 mutex_lock(&pf->switch_mutex);
213 vsi = i40e_dbg_find_vsi(pf, seid);
214 if (!vsi) {
215 mutex_unlock(&pf->switch_mutex);
216 goto write_exit;
217 }
218
219 buflen = sizeof(struct i40e_vsi);
220 buflen += sizeof(struct i40e_q_vector) * vsi->num_q_vectors;
221 buflen += sizeof(struct i40e_ring) * 2 * vsi->num_queue_pairs;
222 buflen += sizeof(struct i40e_tx_buffer) * vsi->num_queue_pairs;
223 buflen += sizeof(struct i40e_rx_buffer) * vsi->num_queue_pairs;
224 list_for_each_entry(f, &vsi->mac_filter_list, list)
225 filter_count++;
226 buflen += sizeof(struct i40e_mac_filter) * filter_count;
227
228 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
229 p = i40e_dbg_dump_buf;
230 seid_found = true;
231
232 len = sizeof(struct i40e_vsi);
233 memcpy(p, vsi, len);
234 p += len;
235
236 if (vsi->num_q_vectors) {
237 len = (sizeof(struct i40e_q_vector)
238 * vsi->num_q_vectors);
239 memcpy(p, vsi->q_vectors, len);
240 p += len;
241 }
242
243 if (vsi->num_queue_pairs) {
244 len = (sizeof(struct i40e_ring) *
245 vsi->num_queue_pairs);
246 memcpy(p, vsi->tx_rings, len);
247 p += len;
248 memcpy(p, vsi->rx_rings, len);
249 p += len;
250 }
251
252 if (vsi->tx_rings[0]) {
253 len = sizeof(struct i40e_tx_buffer);
254 for (i = 0; i < vsi->num_queue_pairs; i++) {
255 memcpy(p, vsi->tx_rings[i]->tx_bi, len);
256 p += len;
257 }
258 len = sizeof(struct i40e_rx_buffer);
259 for (i = 0; i < vsi->num_queue_pairs; i++) {
260 memcpy(p, vsi->rx_rings[i]->rx_bi, len);
261 p += len;
262 }
263 }
264
265 /* macvlan filter list */
266 len = sizeof(struct i40e_mac_filter);
267 list_for_each_entry(f, &vsi->mac_filter_list, list) {
268 memcpy(p, f, len);
269 p += len;
270 }
271
272 i40e_dbg_dump_data_len = buflen;
273 dev_info(&pf->pdev->dev,
274 "VSI seid %ld dumped %d bytes\n",
275 seid, (int)i40e_dbg_dump_data_len);
276 }
277 mutex_unlock(&pf->switch_mutex);
278 } else if (seid >= I40E_BASE_VEB_SEID) {
279 struct i40e_veb *veb = NULL;
280
281 mutex_lock(&pf->switch_mutex);
282 veb = i40e_dbg_find_veb(pf, seid);
283 if (!veb) {
284 mutex_unlock(&pf->switch_mutex);
285 goto write_exit;
286 }
287
288 buflen = sizeof(struct i40e_veb);
289 if (i40e_dbg_prep_dump_buf(pf, buflen)) {
290 seid_found = true;
291 memcpy(i40e_dbg_dump_buf, veb, buflen);
292 i40e_dbg_dump_data_len = buflen;
293 dev_info(&pf->pdev->dev,
294 "VEB seid %ld dumped %d bytes\n",
295 seid, (int)i40e_dbg_dump_data_len);
296 }
297 mutex_unlock(&pf->switch_mutex);
298 }
299
300write_exit:
301 if (!seid_found)
302 dev_info(&pf->pdev->dev, "unknown seid %ld\n", seid);
303
304 return count;
305}
306
307static const struct file_operations i40e_dbg_dump_fops = {
308 .owner = THIS_MODULE,
309 .open = simple_open,
310 .read = i40e_dbg_dump_read,
311 .write = i40e_dbg_dump_write,
312};
313
314/**************************************************************
315 * command
316 * The command entry in debugfs is for giving the driver commands
317 * to be executed - these may be for changing the internal switch
318 * setup, adding or removing filters, or other things. Many of
319 * these will be useful for some forms of unit testing.
320 **************************************************************/
321static char i40e_dbg_command_buf[256] = "hello world";
322
323/**
324 * i40e_dbg_command_read - read for command datum
325 * @filp: the opened file
326 * @buffer: where to write the data for the user to read
327 * @count: the size of the user's buffer
328 * @ppos: file position offset
329 **/
330static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
331 size_t count, loff_t *ppos)
332{
333 struct i40e_pf *pf = filp->private_data;
334 int bytes_not_copied;
335 int buf_size = 256;
336 char *buf;
337 int len;
338
339 /* don't allow partial reads */
340 if (*ppos != 0)
341 return 0;
342 if (count < buf_size)
343 return -ENOSPC;
344
345 buf = kzalloc(buf_size, GFP_KERNEL);
346 if (!buf)
347 return -ENOSPC;
348
349 len = snprintf(buf, buf_size, "%s: %s\n",
350 pf->vsi[pf->lan_vsi]->netdev->name,
351 i40e_dbg_command_buf);
352
353 bytes_not_copied = copy_to_user(buffer, buf, len);
354 kfree(buf);
355
356 if (bytes_not_copied < 0)
357 return bytes_not_copied;
358
359 *ppos = len;
360 return len;
361}
362
363/**
364 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
365 * @pf: the i40e_pf created in command write
366 * @seid: the seid the user put in
367 **/
368static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
369{
370 struct rtnl_link_stats64 *nstat;
371 struct i40e_mac_filter *f;
372 struct i40e_vsi *vsi;
373 int i;
374
375 vsi = i40e_dbg_find_vsi(pf, seid);
376 if (!vsi) {
377 dev_info(&pf->pdev->dev,
378 "dump %d: seid not found\n", seid);
379 return;
380 }
381 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
382 if (vsi->netdev)
383 dev_info(&pf->pdev->dev,
384 " netdev: name = %s\n",
385 vsi->netdev->name);
386 if (vsi->active_vlans)
387 dev_info(&pf->pdev->dev,
388 " vlgrp: & = %p\n", vsi->active_vlans);
389 dev_info(&pf->pdev->dev,
390 " netdev_registered = %i, current_netdev_flags = 0x%04x, state = %li flags = 0x%08lx\n",
391 vsi->netdev_registered,
392 vsi->current_netdev_flags, vsi->state, vsi->flags);
393 list_for_each_entry(f, &vsi->mac_filter_list, list) {
394 dev_info(&pf->pdev->dev,
395 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n",
396 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
397 f->counter);
398 }
399 nstat = i40e_get_vsi_stats_struct(vsi);
400 dev_info(&pf->pdev->dev,
401 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
402 (long unsigned int)nstat->rx_packets,
403 (long unsigned int)nstat->rx_bytes,
404 (long unsigned int)nstat->rx_errors,
405 (long unsigned int)nstat->rx_dropped);
406 dev_info(&pf->pdev->dev,
407 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
408 (long unsigned int)nstat->tx_packets,
409 (long unsigned int)nstat->tx_bytes,
410 (long unsigned int)nstat->tx_errors,
411 (long unsigned int)nstat->tx_dropped);
412 dev_info(&pf->pdev->dev,
413 " net_stats: multicast = %lu, collisions = %lu\n",
414 (long unsigned int)nstat->multicast,
415 (long unsigned int)nstat->collisions);
416 dev_info(&pf->pdev->dev,
417 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
418 (long unsigned int)nstat->rx_length_errors,
419 (long unsigned int)nstat->rx_over_errors,
420 (long unsigned int)nstat->rx_crc_errors);
421 dev_info(&pf->pdev->dev,
422 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
423 (long unsigned int)nstat->rx_frame_errors,
424 (long unsigned int)nstat->rx_fifo_errors,
425 (long unsigned int)nstat->rx_missed_errors);
426 dev_info(&pf->pdev->dev,
427 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
428 (long unsigned int)nstat->tx_aborted_errors,
429 (long unsigned int)nstat->tx_carrier_errors,
430 (long unsigned int)nstat->tx_fifo_errors);
431 dev_info(&pf->pdev->dev,
432 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
433 (long unsigned int)nstat->tx_heartbeat_errors,
434 (long unsigned int)nstat->tx_window_errors);
435 dev_info(&pf->pdev->dev,
436 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
437 (long unsigned int)nstat->rx_compressed,
438 (long unsigned int)nstat->tx_compressed);
439 dev_info(&pf->pdev->dev,
440 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
441 (long unsigned int)vsi->net_stats_offsets.rx_packets,
442 (long unsigned int)vsi->net_stats_offsets.rx_bytes,
443 (long unsigned int)vsi->net_stats_offsets.rx_errors,
444 (long unsigned int)vsi->net_stats_offsets.rx_dropped);
445 dev_info(&pf->pdev->dev,
446 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
447 (long unsigned int)vsi->net_stats_offsets.tx_packets,
448 (long unsigned int)vsi->net_stats_offsets.tx_bytes,
449 (long unsigned int)vsi->net_stats_offsets.tx_errors,
450 (long unsigned int)vsi->net_stats_offsets.tx_dropped);
451 dev_info(&pf->pdev->dev,
452 " net_stats_offsets: multicast = %lu, collisions = %lu\n",
453 (long unsigned int)vsi->net_stats_offsets.multicast,
454 (long unsigned int)vsi->net_stats_offsets.collisions);
455 dev_info(&pf->pdev->dev,
456 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
457 (long unsigned int)vsi->net_stats_offsets.rx_length_errors,
458 (long unsigned int)vsi->net_stats_offsets.rx_over_errors,
459 (long unsigned int)vsi->net_stats_offsets.rx_crc_errors);
460 dev_info(&pf->pdev->dev,
461 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
462 (long unsigned int)vsi->net_stats_offsets.rx_frame_errors,
463 (long unsigned int)vsi->net_stats_offsets.rx_fifo_errors,
464 (long unsigned int)vsi->net_stats_offsets.rx_missed_errors);
465 dev_info(&pf->pdev->dev,
466 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
467 (long unsigned int)vsi->net_stats_offsets.tx_aborted_errors,
468 (long unsigned int)vsi->net_stats_offsets.tx_carrier_errors,
469 (long unsigned int)vsi->net_stats_offsets.tx_fifo_errors);
470 dev_info(&pf->pdev->dev,
471 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
472 (long unsigned int)vsi->net_stats_offsets.tx_heartbeat_errors,
473 (long unsigned int)vsi->net_stats_offsets.tx_window_errors);
474 dev_info(&pf->pdev->dev,
475 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
476 (long unsigned int)vsi->net_stats_offsets.rx_compressed,
477 (long unsigned int)vsi->net_stats_offsets.tx_compressed);
478 dev_info(&pf->pdev->dev,
479 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
480 vsi->tx_restart, vsi->tx_busy,
481 vsi->rx_buf_failed, vsi->rx_page_failed);
482 rcu_read_lock();
483 for (i = 0; i < vsi->num_queue_pairs; i++) {
484 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
485 if (!rx_ring)
486 continue;
487
488 dev_info(&pf->pdev->dev,
489 " rx_rings[%i]: desc = %p\n",
490 i, rx_ring->desc);
491 dev_info(&pf->pdev->dev,
492 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
493 i, rx_ring->dev,
494 rx_ring->netdev,
495 rx_ring->rx_bi);
496 dev_info(&pf->pdev->dev,
497 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
498 i, rx_ring->state,
499 rx_ring->queue_index,
500 rx_ring->reg_idx);
501 dev_info(&pf->pdev->dev,
502 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
503 i, rx_ring->rx_hdr_len,
504 rx_ring->rx_buf_len,
505 rx_ring->dtype);
506 dev_info(&pf->pdev->dev,
507 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
508 i, rx_ring->hsplit,
509 rx_ring->next_to_use,
510 rx_ring->next_to_clean,
511 rx_ring->ring_active);
512 dev_info(&pf->pdev->dev,
513 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
514 i, rx_ring->stats.packets,
515 rx_ring->stats.bytes,
516 rx_ring->rx_stats.non_eop_descs);
517 dev_info(&pf->pdev->dev,
518 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
519 i,
520 rx_ring->rx_stats.alloc_page_failed,
521 rx_ring->rx_stats.alloc_buff_failed);
522 dev_info(&pf->pdev->dev,
523 " rx_rings[%i]: size = %i, dma = 0x%08lx\n",
524 i, rx_ring->size,
525 (long unsigned int)rx_ring->dma);
526 dev_info(&pf->pdev->dev,
527 " rx_rings[%i]: vsi = %p, q_vector = %p\n",
528 i, rx_ring->vsi,
529 rx_ring->q_vector);
530 }
531 for (i = 0; i < vsi->num_queue_pairs; i++) {
532 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
533 if (!tx_ring)
534 continue;
535
536 dev_info(&pf->pdev->dev,
537 " tx_rings[%i]: desc = %p\n",
538 i, tx_ring->desc);
539 dev_info(&pf->pdev->dev,
540 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
541 i, tx_ring->dev,
542 tx_ring->netdev,
543 tx_ring->tx_bi);
544 dev_info(&pf->pdev->dev,
545 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
546 i, tx_ring->state,
547 tx_ring->queue_index,
548 tx_ring->reg_idx);
549 dev_info(&pf->pdev->dev,
550 " tx_rings[%i]: dtype = %d\n",
551 i, tx_ring->dtype);
552 dev_info(&pf->pdev->dev,
553 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
554 i, tx_ring->hsplit,
555 tx_ring->next_to_use,
556 tx_ring->next_to_clean,
557 tx_ring->ring_active);
558 dev_info(&pf->pdev->dev,
559 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
560 i, tx_ring->stats.packets,
561 tx_ring->stats.bytes,
562 tx_ring->tx_stats.restart_queue);
563 dev_info(&pf->pdev->dev,
564 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
565 i,
566 tx_ring->tx_stats.tx_busy,
567 tx_ring->tx_stats.tx_done_old);
568 dev_info(&pf->pdev->dev,
569 " tx_rings[%i]: size = %i, dma = 0x%08lx\n",
570 i, tx_ring->size,
571 (long unsigned int)tx_ring->dma);
572 dev_info(&pf->pdev->dev,
573 " tx_rings[%i]: vsi = %p, q_vector = %p\n",
574 i, tx_ring->vsi,
575 tx_ring->q_vector);
576 dev_info(&pf->pdev->dev,
577 " tx_rings[%i]: DCB tc = %d\n",
578 i, tx_ring->dcb_tc);
579 }
580 rcu_read_unlock();
581 dev_info(&pf->pdev->dev,
582 " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n",
583 vsi->work_limit, vsi->rx_itr_setting,
584 ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed",
585 vsi->tx_itr_setting,
586 ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed");
587 dev_info(&pf->pdev->dev,
588 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n",
589 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype);
590 dev_info(&pf->pdev->dev,
591 " num_q_vectors = %i, base_vector = %i\n",
592 vsi->num_q_vectors, vsi->base_vector);
593 dev_info(&pf->pdev->dev,
594 " seid = %d, id = %d, uplink_seid = %d\n",
595 vsi->seid, vsi->id, vsi->uplink_seid);
596 dev_info(&pf->pdev->dev,
597 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
598 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
599 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type);
600 dev_info(&pf->pdev->dev,
601 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
602 vsi->info.valid_sections, vsi->info.switch_id);
603 dev_info(&pf->pdev->dev,
604 " info: sw_reserved[] = 0x%02x 0x%02x\n",
605 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
606 dev_info(&pf->pdev->dev,
607 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
608 vsi->info.sec_flags, vsi->info.sec_reserved);
609 dev_info(&pf->pdev->dev,
610 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
611 vsi->info.pvid, vsi->info.fcoe_pvid,
612 vsi->info.port_vlan_flags);
613 dev_info(&pf->pdev->dev,
614 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
615 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
616 vsi->info.pvlan_reserved[2]);
617 dev_info(&pf->pdev->dev,
618 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
619 vsi->info.ingress_table, vsi->info.egress_table);
620 dev_info(&pf->pdev->dev,
621 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
622 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
623 vsi->info.cas_pv_reserved);
624 dev_info(&pf->pdev->dev,
625 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
626 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
627 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
628 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
629 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
630 dev_info(&pf->pdev->dev,
631 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
632 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
633 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
634 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
635 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
636 dev_info(&pf->pdev->dev,
637 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
638 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
639 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
640 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
641 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
642 dev_info(&pf->pdev->dev,
643 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
644 vsi->info.queueing_opt_flags,
645 vsi->info.queueing_opt_reserved[0],
646 vsi->info.queueing_opt_reserved[1],
647 vsi->info.queueing_opt_reserved[2]);
648 dev_info(&pf->pdev->dev,
649 " info: up_enable_bits = 0x%02x\n",
650 vsi->info.up_enable_bits);
651 dev_info(&pf->pdev->dev,
652 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
653 vsi->info.sched_reserved, vsi->info.outer_up_table);
654 dev_info(&pf->pdev->dev,
655 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
656 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
657 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
658 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
659 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
660 dev_info(&pf->pdev->dev,
661 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
662 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
663 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
664 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
665 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
666 dev_info(&pf->pdev->dev,
667 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
668 vsi->info.stat_counter_idx, vsi->info.sched_id);
669 dev_info(&pf->pdev->dev,
670 " 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",
671 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
672 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
673 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
674 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
675 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
676 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
677 if (vsi->back)
678 dev_info(&pf->pdev->dev, " pf = %p\n", vsi->back);
679 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx);
680 dev_info(&pf->pdev->dev,
681 " tc_config: numtc = %d, enabled_tc = 0x%x\n",
682 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
683 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
684 dev_info(&pf->pdev->dev,
685 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
686 i, vsi->tc_config.tc_info[i].qoffset,
687 vsi->tc_config.tc_info[i].qcount,
688 vsi->tc_config.tc_info[i].netdev_tc);
689 }
690 dev_info(&pf->pdev->dev,
691 " bw: bw_limit = %d, bw_max_quanta = %d\n",
692 vsi->bw_limit, vsi->bw_max_quanta);
693 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
694 dev_info(&pf->pdev->dev,
695 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
696 i, vsi->bw_ets_share_credits[i],
697 vsi->bw_ets_limit_credits[i],
698 vsi->bw_ets_max_quanta[i]);
699 }
700}
701
702/**
703 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
704 * @pf: the i40e_pf created in command write
705 **/
706static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
707{
708 struct i40e_adminq_ring *ring;
709 struct i40e_hw *hw = &pf->hw;
710 char hdr[32];
711 int i;
712
713 snprintf(hdr, sizeof(hdr), "%s %s: ",
714 dev_driver_string(&pf->pdev->dev),
715 dev_name(&pf->pdev->dev));
716
717 /* first the send (command) ring, then the receive (event) ring */
718 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
719 ring = &(hw->aq.asq);
720 for (i = 0; i < ring->count; i++) {
721 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
722 dev_info(&pf->pdev->dev,
723 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
724 i, d->flags, d->opcode, d->datalen, d->retval,
725 d->cookie_high, d->cookie_low);
726 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
727 16, 1, d->params.raw, 16, 0);
728 }
729
730 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
731 ring = &(hw->aq.arq);
732 for (i = 0; i < ring->count; i++) {
733 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
734 dev_info(&pf->pdev->dev,
735 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
736 i, d->flags, d->opcode, d->datalen, d->retval,
737 d->cookie_high, d->cookie_low);
738 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
739 16, 1, d->params.raw, 16, 0);
740 }
741}
742
743/**
744 * i40e_dbg_dump_desc - handles dump desc write into command datum
745 * @cnt: number of arguments that the user supplied
746 * @vsi_seid: vsi id entered by user
747 * @ring_id: ring id entered by user
748 * @desc_n: descriptor number entered by user
749 * @pf: the i40e_pf created in command write
750 * @is_rx_ring: true if rx, false if tx
751 **/
752static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
753 struct i40e_pf *pf, bool is_rx_ring)
754{
755 struct i40e_tx_desc *txd;
756 union i40e_rx_desc *rxd;
757 struct i40e_ring ring;
758 struct i40e_vsi *vsi;
759 int i;
760
761 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
762 if (!vsi) {
763 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
764 return;
765 }
766 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
767 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
768 return;
769 }
770 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
771 dev_info(&pf->pdev->dev,
772 "descriptor rings have not been allocated for vsi %d\n",
773 vsi_seid);
774 return;
775 }
776 if (is_rx_ring)
777 ring = *vsi->rx_rings[ring_id];
778 else
779 ring = *vsi->tx_rings[ring_id];
780 if (cnt == 2) {
781 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
782 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
783 for (i = 0; i < ring.count; i++) {
784 if (!is_rx_ring) {
785 txd = I40E_TX_DESC(&ring, i);
786 dev_info(&pf->pdev->dev,
787 " d[%03i] = 0x%016llx 0x%016llx\n",
788 i, txd->buffer_addr,
789 txd->cmd_type_offset_bsz);
790 } else if (sizeof(union i40e_rx_desc) ==
791 sizeof(union i40e_16byte_rx_desc)) {
792 rxd = I40E_RX_DESC(&ring, i);
793 dev_info(&pf->pdev->dev,
794 " d[%03i] = 0x%016llx 0x%016llx\n",
795 i, rxd->read.pkt_addr,
796 rxd->read.hdr_addr);
797 } else {
798 rxd = I40E_RX_DESC(&ring, i);
799 dev_info(&pf->pdev->dev,
800 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
801 i, rxd->read.pkt_addr,
802 rxd->read.hdr_addr,
803 rxd->read.rsvd1, rxd->read.rsvd2);
804 }
805 }
806 } else if (cnt == 3) {
807 if (desc_n >= ring.count || desc_n < 0) {
808 dev_info(&pf->pdev->dev,
809 "descriptor %d not found\n", desc_n);
810 return;
811 }
812 if (!is_rx_ring) {
813 txd = I40E_TX_DESC(&ring, desc_n);
814 dev_info(&pf->pdev->dev,
815 "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
816 vsi_seid, ring_id, desc_n,
817 txd->buffer_addr, txd->cmd_type_offset_bsz);
818 } else if (sizeof(union i40e_rx_desc) ==
819 sizeof(union i40e_16byte_rx_desc)) {
820 rxd = I40E_RX_DESC(&ring, desc_n);
821 dev_info(&pf->pdev->dev,
822 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
823 vsi_seid, ring_id, desc_n,
824 rxd->read.pkt_addr, rxd->read.hdr_addr);
825 } else {
826 rxd = I40E_RX_DESC(&ring, desc_n);
827 dev_info(&pf->pdev->dev,
828 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
829 vsi_seid, ring_id, desc_n,
830 rxd->read.pkt_addr, rxd->read.hdr_addr,
831 rxd->read.rsvd1, rxd->read.rsvd2);
832 }
833 } else {
834 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
835 }
836}
837
838/**
839 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
840 * @pf: the i40e_pf created in command write
841 **/
842static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
843{
844 int i;
845
846 for (i = 0; i < pf->hw.func_caps.num_vsis; i++)
847 if (pf->vsi[i])
848 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
849 i, pf->vsi[i]->seid);
850}
851
852/**
853 * i40e_dbg_dump_stats - handles dump stats write into command datum
854 * @pf: the i40e_pf created in command write
855 * @estats: the eth stats structure to be dumped
856 **/
857static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
858 struct i40e_eth_stats *estats)
859{
860 dev_info(&pf->pdev->dev, " ethstats:\n");
861 dev_info(&pf->pdev->dev,
862 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
863 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
864 dev_info(&pf->pdev->dev,
865 " rx_broadcast = \t%lld \trx_discards = \t\t%lld \trx_errors = \t%lld\n",
866 estats->rx_broadcast, estats->rx_discards, estats->rx_errors);
867 dev_info(&pf->pdev->dev,
868 " rx_missed = \t%lld \trx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
869 estats->rx_missed, estats->rx_unknown_protocol,
870 estats->tx_bytes);
871 dev_info(&pf->pdev->dev,
872 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
873 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
874 dev_info(&pf->pdev->dev,
875 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
876 estats->tx_discards, estats->tx_errors);
877}
878
879/**
880 * i40e_dbg_dump_stats - handles dump stats write into command datum
881 * @pf: the i40e_pf created in command write
882 * @stats: the stats structure to be dumped
883 **/
884static void i40e_dbg_dump_stats(struct i40e_pf *pf,
885 struct i40e_hw_port_stats *stats)
886{
887 int i;
888
889 dev_info(&pf->pdev->dev, " stats:\n");
890 dev_info(&pf->pdev->dev,
891 " crc_errors = \t\t%lld \tillegal_bytes = \t%lld \terror_bytes = \t\t%lld\n",
892 stats->crc_errors, stats->illegal_bytes, stats->error_bytes);
893 dev_info(&pf->pdev->dev,
894 " mac_local_faults = \t%lld \tmac_remote_faults = \t%lld \trx_length_errors = \t%lld\n",
895 stats->mac_local_faults, stats->mac_remote_faults,
896 stats->rx_length_errors);
897 dev_info(&pf->pdev->dev,
898 " link_xon_rx = \t\t%lld \tlink_xoff_rx = \t\t%lld \tlink_xon_tx = \t\t%lld\n",
899 stats->link_xon_rx, stats->link_xoff_rx, stats->link_xon_tx);
900 dev_info(&pf->pdev->dev,
901 " link_xoff_tx = \t\t%lld \trx_size_64 = \t\t%lld \trx_size_127 = \t\t%lld\n",
902 stats->link_xoff_tx, stats->rx_size_64, stats->rx_size_127);
903 dev_info(&pf->pdev->dev,
904 " rx_size_255 = \t\t%lld \trx_size_511 = \t\t%lld \trx_size_1023 = \t\t%lld\n",
905 stats->rx_size_255, stats->rx_size_511, stats->rx_size_1023);
906 dev_info(&pf->pdev->dev,
907 " rx_size_big = \t\t%lld \trx_undersize = \t\t%lld \trx_jabber = \t\t%lld\n",
908 stats->rx_size_big, stats->rx_undersize, stats->rx_jabber);
909 dev_info(&pf->pdev->dev,
910 " rx_fragments = \t\t%lld \trx_oversize = \t\t%lld \ttx_size_64 = \t\t%lld\n",
911 stats->rx_fragments, stats->rx_oversize, stats->tx_size_64);
912 dev_info(&pf->pdev->dev,
913 " tx_size_127 = \t\t%lld \ttx_size_255 = \t\t%lld \ttx_size_511 = \t\t%lld\n",
914 stats->tx_size_127, stats->tx_size_255, stats->tx_size_511);
915 dev_info(&pf->pdev->dev,
916 " tx_size_1023 = \t\t%lld \ttx_size_big = \t\t%lld \tmac_short_packet_dropped = \t%lld\n",
917 stats->tx_size_1023, stats->tx_size_big,
918 stats->mac_short_packet_dropped);
919 for (i = 0; i < 8; i += 4) {
920 dev_info(&pf->pdev->dev,
921 " priority_xon_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
922 i, stats->priority_xon_rx[i],
923 i+1, stats->priority_xon_rx[i+1],
924 i+2, stats->priority_xon_rx[i+2],
925 i+3, stats->priority_xon_rx[i+3]);
926 }
927 for (i = 0; i < 8; i += 4) {
928 dev_info(&pf->pdev->dev,
929 " priority_xoff_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
930 i, stats->priority_xoff_rx[i],
931 i+1, stats->priority_xoff_rx[i+1],
932 i+2, stats->priority_xoff_rx[i+2],
933 i+3, stats->priority_xoff_rx[i+3]);
934 }
935 for (i = 0; i < 8; i += 4) {
936 dev_info(&pf->pdev->dev,
937 " priority_xon_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
938 i, stats->priority_xon_tx[i],
939 i+1, stats->priority_xon_tx[i+1],
940 i+2, stats->priority_xon_tx[i+2],
941 i+3, stats->priority_xon_rx[i+3]);
942 }
943 for (i = 0; i < 8; i += 4) {
944 dev_info(&pf->pdev->dev,
945 " priority_xoff_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
946 i, stats->priority_xoff_tx[i],
947 i+1, stats->priority_xoff_tx[i+1],
948 i+2, stats->priority_xoff_tx[i+2],
949 i+3, stats->priority_xoff_tx[i+3]);
950 }
951 for (i = 0; i < 8; i += 4) {
952 dev_info(&pf->pdev->dev,
953 " priority_xon_2_xoff[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n",
954 i, stats->priority_xon_2_xoff[i],
955 i+1, stats->priority_xon_2_xoff[i+1],
956 i+2, stats->priority_xon_2_xoff[i+2],
957 i+3, stats->priority_xon_2_xoff[i+3]);
958 }
959
960 i40e_dbg_dump_eth_stats(pf, &stats->eth);
961}
962
963/**
964 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
965 * @pf: the i40e_pf created in command write
966 * @seid: the seid the user put in
967 **/
968static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
969{
970 struct i40e_veb *veb;
971
972 if ((seid < I40E_BASE_VEB_SEID) ||
973 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
974 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
975 return;
976 }
977
978 veb = i40e_dbg_find_veb(pf, seid);
979 if (!veb) {
980 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
981 return;
982 }
983 dev_info(&pf->pdev->dev,
984 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n",
985 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
986 veb->uplink_seid);
987 i40e_dbg_dump_eth_stats(pf, &veb->stats);
988}
989
990/**
991 * i40e_dbg_dump_veb_all - dumps all known veb's stats
992 * @pf: the i40e_pf created in command write
993 **/
994static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
995{
996 struct i40e_veb *veb;
997 int i;
998
999 for (i = 0; i < I40E_MAX_VEB; i++) {
1000 veb = pf->veb[i];
1001 if (veb)
1002 i40e_dbg_dump_veb_seid(pf, veb->seid);
1003 }
1004}
1005
1006/**
1007 * i40e_dbg_cmd_fd_ctrl - Enable/disable FD sideband/ATR
1008 * @pf: the pf that would be altered
1009 * @flag: flag that needs enabling or disabling
1010 * @enable: Enable/disable FD SD/ATR
1011 **/
1012static void i40e_dbg_cmd_fd_ctrl(struct i40e_pf *pf, u64 flag, bool enable)
1013{
1014 if (enable) {
1015 pf->flags |= flag;
1016 } else {
1017 pf->flags &= ~flag;
1018 pf->auto_disable_flags |= flag;
1019 }
1020 dev_info(&pf->pdev->dev, "requesting a pf reset\n");
1021 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED));
1022}
1023
1024#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
1025/**
1026 * i40e_dbg_command_write - write into command datum
1027 * @filp: the opened file
1028 * @buffer: where to find the user's data
1029 * @count: the length of the user's data
1030 * @ppos: file position offset
1031 **/
1032static ssize_t i40e_dbg_command_write(struct file *filp,
1033 const char __user *buffer,
1034 size_t count, loff_t *ppos)
1035{
1036 struct i40e_pf *pf = filp->private_data;
1037 char *cmd_buf, *cmd_buf_tmp;
1038 int bytes_not_copied;
1039 struct i40e_vsi *vsi;
1040 int vsi_seid;
1041 int veb_seid;
1042 int cnt;
1043
1044 /* don't allow partial writes */
1045 if (*ppos != 0)
1046 return 0;
1047
1048 cmd_buf = kzalloc(count + 1, GFP_KERNEL);
1049 if (!cmd_buf)
1050 return count;
1051 bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
1052 if (bytes_not_copied < 0)
1053 return bytes_not_copied;
1054 if (bytes_not_copied > 0)
1055 count -= bytes_not_copied;
1056 cmd_buf[count] = '\0';
1057
1058 cmd_buf_tmp = strchr(cmd_buf, '\n');
1059 if (cmd_buf_tmp) {
1060 *cmd_buf_tmp = '\0';
1061 count = cmd_buf_tmp - cmd_buf + 1;
1062 }
1063
1064 if (strncmp(cmd_buf, "add vsi", 7) == 0) {
1065 vsi_seid = -1;
1066 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
1067 if (cnt == 0) {
1068 /* default to PF VSI */
1069 vsi_seid = pf->vsi[pf->lan_vsi]->seid;
1070 } else if (vsi_seid < 0) {
1071 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
1072 vsi_seid);
1073 goto command_write_done;
1074 }
1075
1076 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
1077 if (vsi)
1078 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
1079 vsi->seid, vsi->uplink_seid);
1080 else
1081 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
1082
1083 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
1084 sscanf(&cmd_buf[7], "%i", &vsi_seid);
1085 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1086 if (!vsi) {
1087 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
1088 vsi_seid);
1089 goto command_write_done;
1090 }
1091
1092 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
1093 i40e_vsi_release(vsi);
1094
1095 } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
1096 struct i40e_veb *veb;
1097 int uplink_seid, i;
1098
1099 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
1100 if (cnt != 2) {
1101 dev_info(&pf->pdev->dev,
1102 "add relay: bad command string, cnt=%d\n",
1103 cnt);
1104 goto command_write_done;
1105 } else if (uplink_seid < 0) {
1106 dev_info(&pf->pdev->dev,
1107 "add relay %d: bad uplink seid\n",
1108 uplink_seid);
1109 goto command_write_done;
1110 }
1111
1112 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1113 if (!vsi) {
1114 dev_info(&pf->pdev->dev,
1115 "add relay: VSI %d not found\n", vsi_seid);
1116 goto command_write_done;
1117 }
1118
1119 for (i = 0; i < I40E_MAX_VEB; i++)
1120 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
1121 break;
1122 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
1123 uplink_seid != pf->mac_seid) {
1124 dev_info(&pf->pdev->dev,
1125 "add relay: relay uplink %d not found\n",
1126 uplink_seid);
1127 goto command_write_done;
1128 }
1129
1130 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
1131 vsi->tc_config.enabled_tc);
1132 if (veb)
1133 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
1134 else
1135 dev_info(&pf->pdev->dev, "add relay failed\n");
1136
1137 } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
1138 int i;
1139 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
1140 if (cnt != 1) {
1141 dev_info(&pf->pdev->dev,
1142 "del relay: bad command string, cnt=%d\n",
1143 cnt);
1144 goto command_write_done;
1145 } else if (veb_seid < 0) {
1146 dev_info(&pf->pdev->dev,
1147 "del relay %d: bad relay seid\n", veb_seid);
1148 goto command_write_done;
1149 }
1150
1151 /* find the veb */
1152 for (i = 0; i < I40E_MAX_VEB; i++)
1153 if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
1154 break;
1155 if (i >= I40E_MAX_VEB) {
1156 dev_info(&pf->pdev->dev,
1157 "del relay: relay %d not found\n", veb_seid);
1158 goto command_write_done;
1159 }
1160
1161 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
1162 i40e_veb_release(pf->veb[i]);
1163
1164 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
1165 struct i40e_mac_filter *f;
1166 int vlan = 0;
1167 u8 ma[6];
1168 int ret;
1169
1170 cnt = sscanf(&cmd_buf[11],
1171 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1172 &vsi_seid,
1173 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1174 &vlan);
1175 if (cnt == 7) {
1176 vlan = 0;
1177 } else if (cnt != 8) {
1178 dev_info(&pf->pdev->dev,
1179 "add macaddr: bad command string, cnt=%d\n",
1180 cnt);
1181 goto command_write_done;
1182 }
1183
1184 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1185 if (!vsi) {
1186 dev_info(&pf->pdev->dev,
1187 "add macaddr: VSI %d not found\n", vsi_seid);
1188 goto command_write_done;
1189 }
1190
1191 f = i40e_add_filter(vsi, ma, vlan, false, false);
1192 ret = i40e_sync_vsi_filters(vsi);
1193 if (f && !ret)
1194 dev_info(&pf->pdev->dev,
1195 "add macaddr: %pM vlan=%d added to VSI %d\n",
1196 ma, vlan, vsi_seid);
1197 else
1198 dev_info(&pf->pdev->dev,
1199 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
1200 ma, vlan, vsi_seid, f, ret);
1201
1202 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
1203 int vlan = 0;
1204 u8 ma[6];
1205 int ret;
1206
1207 cnt = sscanf(&cmd_buf[11],
1208 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
1209 &vsi_seid,
1210 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
1211 &vlan);
1212 if (cnt == 7) {
1213 vlan = 0;
1214 } else if (cnt != 8) {
1215 dev_info(&pf->pdev->dev,
1216 "del macaddr: bad command string, cnt=%d\n",
1217 cnt);
1218 goto command_write_done;
1219 }
1220
1221 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1222 if (!vsi) {
1223 dev_info(&pf->pdev->dev,
1224 "del macaddr: VSI %d not found\n", vsi_seid);
1225 goto command_write_done;
1226 }
1227
1228 i40e_del_filter(vsi, ma, vlan, false, false);
1229 ret = i40e_sync_vsi_filters(vsi);
1230 if (!ret)
1231 dev_info(&pf->pdev->dev,
1232 "del macaddr: %pM vlan=%d removed from VSI %d\n",
1233 ma, vlan, vsi_seid);
1234 else
1235 dev_info(&pf->pdev->dev,
1236 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
1237 ma, vlan, vsi_seid, ret);
1238
1239 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
1240 i40e_status ret;
1241 u16 vid;
1242 int v;
1243
1244 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
1245 if (cnt != 2) {
1246 dev_info(&pf->pdev->dev,
1247 "add pvid: bad command string, cnt=%d\n", cnt);
1248 goto command_write_done;
1249 }
1250
1251 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1252 if (!vsi) {
1253 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
1254 vsi_seid);
1255 goto command_write_done;
1256 }
1257
1258 vid = (unsigned)v;
1259 ret = i40e_vsi_add_pvid(vsi, vid);
1260 if (!ret)
1261 dev_info(&pf->pdev->dev,
1262 "add pvid: %d added to VSI %d\n",
1263 vid, vsi_seid);
1264 else
1265 dev_info(&pf->pdev->dev,
1266 "add pvid: %d to VSI %d failed, ret=%d\n",
1267 vid, vsi_seid, ret);
1268
1269 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
1270
1271 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1272 if (cnt != 1) {
1273 dev_info(&pf->pdev->dev,
1274 "del pvid: bad command string, cnt=%d\n",
1275 cnt);
1276 goto command_write_done;
1277 }
1278
1279 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1280 if (!vsi) {
1281 dev_info(&pf->pdev->dev,
1282 "del pvid: VSI %d not found\n", vsi_seid);
1283 goto command_write_done;
1284 }
1285
1286 i40e_vsi_remove_pvid(vsi);
1287 dev_info(&pf->pdev->dev,
1288 "del pvid: removed from VSI %d\n", vsi_seid);
1289
1290 } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1291 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1292 i40e_fetch_switch_configuration(pf, true);
1293 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1294 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1295 if (cnt > 0)
1296 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1297 else
1298 i40e_dbg_dump_vsi_no_seid(pf);
1299 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1300 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1301 if (cnt > 0)
1302 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1303 else
1304 i40e_dbg_dump_veb_all(pf);
1305 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1306 int ring_id, desc_n;
1307 if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1308 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1309 &vsi_seid, &ring_id, &desc_n);
1310 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1311 desc_n, pf, true);
1312 } else if (strncmp(&cmd_buf[10], "tx", 2)
1313 == 0) {
1314 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1315 &vsi_seid, &ring_id, &desc_n);
1316 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1317 desc_n, pf, false);
1318 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1319 i40e_dbg_dump_aq_desc(pf);
1320 } else {
1321 dev_info(&pf->pdev->dev,
1322 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1323 dev_info(&pf->pdev->dev,
1324 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1325 dev_info(&pf->pdev->dev, "dump desc aq\n");
1326 }
1327 } else if (strncmp(&cmd_buf[5], "stats", 5) == 0) {
1328 dev_info(&pf->pdev->dev, "pf stats:\n");
1329 i40e_dbg_dump_stats(pf, &pf->stats);
1330 dev_info(&pf->pdev->dev, "pf stats_offsets:\n");
1331 i40e_dbg_dump_stats(pf, &pf->stats_offsets);
1332 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1333 dev_info(&pf->pdev->dev,
1334 "core reset count: %d\n", pf->corer_count);
1335 dev_info(&pf->pdev->dev,
1336 "global reset count: %d\n", pf->globr_count);
1337 dev_info(&pf->pdev->dev,
1338 "emp reset count: %d\n", pf->empr_count);
1339 dev_info(&pf->pdev->dev,
1340 "pf reset count: %d\n", pf->pfr_count);
1341 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1342 struct i40e_aqc_query_port_ets_config_resp *bw_data;
1343 struct i40e_dcbx_config *cfg =
1344 &pf->hw.local_dcbx_config;
1345 struct i40e_dcbx_config *r_cfg =
1346 &pf->hw.remote_dcbx_config;
1347 int i, ret;
1348
1349 bw_data = kzalloc(sizeof(
1350 struct i40e_aqc_query_port_ets_config_resp),
1351 GFP_KERNEL);
1352 if (!bw_data) {
1353 ret = -ENOMEM;
1354 goto command_write_done;
1355 }
1356
1357 ret = i40e_aq_query_port_ets_config(&pf->hw,
1358 pf->mac_seid,
1359 bw_data, NULL);
1360 if (ret) {
1361 dev_info(&pf->pdev->dev,
1362 "Query Port ETS Config AQ command failed =0x%x\n",
1363 pf->hw.aq.asq_last_status);
1364 kfree(bw_data);
1365 bw_data = NULL;
1366 goto command_write_done;
1367 }
1368 dev_info(&pf->pdev->dev,
1369 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1370 bw_data->tc_valid_bits,
1371 bw_data->tc_strict_priority_bits,
1372 le16_to_cpu(bw_data->tc_bw_max[0]),
1373 le16_to_cpu(bw_data->tc_bw_max[1]));
1374 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1375 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1376 bw_data->tc_bw_share_credits[i],
1377 le16_to_cpu(bw_data->tc_bw_limits[i]));
1378 }
1379
1380 kfree(bw_data);
1381 bw_data = NULL;
1382
1383 dev_info(&pf->pdev->dev,
1384 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1385 cfg->etscfg.willing, cfg->etscfg.cbs,
1386 cfg->etscfg.maxtcs);
1387 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1388 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1389 i, cfg->etscfg.prioritytable[i],
1390 cfg->etscfg.tcbwtable[i],
1391 cfg->etscfg.tsatable[i]);
1392 }
1393 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1394 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1395 i, cfg->etsrec.prioritytable[i],
1396 cfg->etsrec.tcbwtable[i],
1397 cfg->etsrec.tsatable[i]);
1398 }
1399 dev_info(&pf->pdev->dev,
1400 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1401 cfg->pfc.willing, cfg->pfc.mbc,
1402 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1403 dev_info(&pf->pdev->dev,
1404 "port app_table: num_apps=%d\n", cfg->numapps);
1405 for (i = 0; i < cfg->numapps; i++) {
1406 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1407 i, cfg->app[i].priority,
1408 cfg->app[i].selector,
1409 cfg->app[i].protocolid);
1410 }
1411 /* Peer TLV DCBX data */
1412 dev_info(&pf->pdev->dev,
1413 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1414 r_cfg->etscfg.willing,
1415 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1416 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1417 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1418 i, r_cfg->etscfg.prioritytable[i],
1419 r_cfg->etscfg.tcbwtable[i],
1420 r_cfg->etscfg.tsatable[i]);
1421 }
1422 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1423 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1424 i, r_cfg->etsrec.prioritytable[i],
1425 r_cfg->etsrec.tcbwtable[i],
1426 r_cfg->etsrec.tsatable[i]);
1427 }
1428 dev_info(&pf->pdev->dev,
1429 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1430 r_cfg->pfc.willing,
1431 r_cfg->pfc.mbc,
1432 r_cfg->pfc.pfccap,
1433 r_cfg->pfc.pfcenable);
1434 dev_info(&pf->pdev->dev,
1435 "remote port app_table: num_apps=%d\n",
1436 r_cfg->numapps);
1437 for (i = 0; i < r_cfg->numapps; i++) {
1438 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1439 i, r_cfg->app[i].priority,
1440 r_cfg->app[i].selector,
1441 r_cfg->app[i].protocolid);
1442 }
1443 } else {
1444 dev_info(&pf->pdev->dev,
1445 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1446 dev_info(&pf->pdev->dev, "dump switch, dump vsi [seid] or\n");
1447 dev_info(&pf->pdev->dev, "dump stats\n");
1448 dev_info(&pf->pdev->dev, "dump reset stats\n");
1449 dev_info(&pf->pdev->dev, "dump port\n");
1450 dev_info(&pf->pdev->dev,
1451 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1452 }
1453
1454 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1455 u32 level;
1456 cnt = sscanf(&cmd_buf[10], "%i", &level);
1457 if (cnt) {
1458 if (I40E_DEBUG_USER & level) {
1459 pf->hw.debug_mask = level;
1460 dev_info(&pf->pdev->dev,
1461 "set hw.debug_mask = 0x%08x\n",
1462 pf->hw.debug_mask);
1463 }
1464 pf->msg_enable = level;
1465 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1466 pf->msg_enable);
1467 } else {
1468 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1469 pf->msg_enable);
1470 }
1471 } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1472 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1473 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED));
1474
1475 } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1476 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1477 i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED));
1478
1479 } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1480 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1481 i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED));
1482
1483 } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1484 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1485 i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED));
1486
1487 } else if (strncmp(cmd_buf, "read", 4) == 0) {
1488 u32 address;
1489 u32 value;
1490 cnt = sscanf(&cmd_buf[4], "%i", &address);
1491 if (cnt != 1) {
1492 dev_info(&pf->pdev->dev, "read <reg>\n");
1493 goto command_write_done;
1494 }
1495
1496 /* check the range on address */
1497 if (address >= I40E_MAX_REGISTER) {
1498 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n",
1499 address);
1500 goto command_write_done;
1501 }
1502
1503 value = rd32(&pf->hw, address);
1504 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1505 address, value);
1506
1507 } else if (strncmp(cmd_buf, "write", 5) == 0) {
1508 u32 address, value;
1509 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1510 if (cnt != 2) {
1511 dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1512 goto command_write_done;
1513 }
1514
1515 /* check the range on address */
1516 if (address >= I40E_MAX_REGISTER) {
1517 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n",
1518 address);
1519 goto command_write_done;
1520 }
1521 wr32(&pf->hw, address, value);
1522 value = rd32(&pf->hw, address);
1523 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1524 address, value);
1525 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1526 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1527 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1528 if (cnt == 0) {
1529 int i;
1530 for (i = 0; i < pf->hw.func_caps.num_vsis; i++)
1531 i40e_vsi_reset_stats(pf->vsi[i]);
1532 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1533 } else if (cnt == 1) {
1534 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1535 if (!vsi) {
1536 dev_info(&pf->pdev->dev,
1537 "clear_stats vsi: bad vsi %d\n",
1538 vsi_seid);
1539 goto command_write_done;
1540 }
1541 i40e_vsi_reset_stats(vsi);
1542 dev_info(&pf->pdev->dev,
1543 "vsi clear stats called for vsi %d\n",
1544 vsi_seid);
1545 } else {
1546 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1547 }
1548 } else if (strncmp(&cmd_buf[12], "pf", 2) == 0) {
1549 i40e_pf_reset_stats(pf);
1550 dev_info(&pf->pdev->dev, "pf clear stats called\n");
1551 } else {
1552 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n");
1553 }
1554 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1555 struct i40e_aq_desc *desc;
1556 i40e_status ret;
1557
1558 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1559 if (!desc)
1560 goto command_write_done;
1561 cnt = sscanf(&cmd_buf[11],
1562 "%hx %hx %hx %hx %x %x %x %x %x %x",
1563 &desc->flags,
1564 &desc->opcode, &desc->datalen, &desc->retval,
1565 &desc->cookie_high, &desc->cookie_low,
1566 &desc->params.internal.param0,
1567 &desc->params.internal.param1,
1568 &desc->params.internal.param2,
1569 &desc->params.internal.param3);
1570 if (cnt != 10) {
1571 dev_info(&pf->pdev->dev,
1572 "send aq_cmd: bad command string, cnt=%d\n",
1573 cnt);
1574 kfree(desc);
1575 desc = NULL;
1576 goto command_write_done;
1577 }
1578 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1579 if (!ret) {
1580 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1581 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1582 dev_info(&pf->pdev->dev,
1583 "AQ command send failed Opcode %x AQ Error: %d\n",
1584 desc->opcode, pf->hw.aq.asq_last_status);
1585 } else {
1586 dev_info(&pf->pdev->dev,
1587 "AQ command send failed Opcode %x Status: %d\n",
1588 desc->opcode, ret);
1589 }
1590 dev_info(&pf->pdev->dev,
1591 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1592 desc->flags, desc->opcode, desc->datalen, desc->retval,
1593 desc->cookie_high, desc->cookie_low,
1594 desc->params.internal.param0,
1595 desc->params.internal.param1,
1596 desc->params.internal.param2,
1597 desc->params.internal.param3);
1598 kfree(desc);
1599 desc = NULL;
1600 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1601 struct i40e_aq_desc *desc;
1602 i40e_status ret;
1603 u16 buffer_len;
1604 u8 *buff;
1605
1606 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1607 if (!desc)
1608 goto command_write_done;
1609 cnt = sscanf(&cmd_buf[20],
1610 "%hx %hx %hx %hx %x %x %x %x %x %x %hd",
1611 &desc->flags,
1612 &desc->opcode, &desc->datalen, &desc->retval,
1613 &desc->cookie_high, &desc->cookie_low,
1614 &desc->params.internal.param0,
1615 &desc->params.internal.param1,
1616 &desc->params.internal.param2,
1617 &desc->params.internal.param3,
1618 &buffer_len);
1619 if (cnt != 11) {
1620 dev_info(&pf->pdev->dev,
1621 "send indirect aq_cmd: bad command string, cnt=%d\n",
1622 cnt);
1623 kfree(desc);
1624 desc = NULL;
1625 goto command_write_done;
1626 }
1627 /* Just stub a buffer big enough in case user messed up */
1628 if (buffer_len == 0)
1629 buffer_len = 1280;
1630
1631 buff = kzalloc(buffer_len, GFP_KERNEL);
1632 if (!buff) {
1633 kfree(desc);
1634 desc = NULL;
1635 goto command_write_done;
1636 }
1637 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1638 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1639 buffer_len, NULL);
1640 if (!ret) {
1641 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1642 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1643 dev_info(&pf->pdev->dev,
1644 "AQ command send failed Opcode %x AQ Error: %d\n",
1645 desc->opcode, pf->hw.aq.asq_last_status);
1646 } else {
1647 dev_info(&pf->pdev->dev,
1648 "AQ command send failed Opcode %x Status: %d\n",
1649 desc->opcode, ret);
1650 }
1651 dev_info(&pf->pdev->dev,
1652 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1653 desc->flags, desc->opcode, desc->datalen, desc->retval,
1654 desc->cookie_high, desc->cookie_low,
1655 desc->params.internal.param0,
1656 desc->params.internal.param1,
1657 desc->params.internal.param2,
1658 desc->params.internal.param3);
1659 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1660 DUMP_PREFIX_OFFSET, 16, 1,
1661 buff, buffer_len, true);
1662 kfree(buff);
1663 buff = NULL;
1664 kfree(desc);
1665 desc = NULL;
1666 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1667 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
1668 struct i40e_fdir_filter fd_data;
1669 u16 packet_len, i, j = 0;
1670 char *asc_packet;
1671 u8 *raw_packet;
1672 bool add = false;
1673 int ret;
1674
1675 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1676 goto command_write_done;
1677
1678 if (strncmp(cmd_buf, "add", 3) == 0)
1679 add = true;
1680
1681 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1682 goto command_write_done;
1683
1684 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1685 GFP_KERNEL);
1686 if (!asc_packet)
1687 goto command_write_done;
1688
1689 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1690 GFP_KERNEL);
1691
1692 if (!raw_packet) {
1693 kfree(asc_packet);
1694 asc_packet = NULL;
1695 goto command_write_done;
1696 }
1697
1698 cnt = sscanf(&cmd_buf[13],
1699 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
1700 &fd_data.q_index,
1701 &fd_data.flex_off, &fd_data.pctype,
1702 &fd_data.dest_vsi, &fd_data.dest_ctl,
1703 &fd_data.fd_status, &fd_data.cnt_index,
1704 &fd_data.fd_id, &packet_len, asc_packet);
1705 if (cnt != 10) {
1706 dev_info(&pf->pdev->dev,
1707 "program fd_filter: bad command string, cnt=%d\n",
1708 cnt);
1709 kfree(asc_packet);
1710 asc_packet = NULL;
1711 kfree(raw_packet);
1712 goto command_write_done;
1713 }
1714
1715 /* fix packet length if user entered 0 */
1716 if (packet_len == 0)
1717 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
1718
1719 /* make sure to check the max as well */
1720 packet_len = min_t(u16,
1721 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
1722
1723 for (i = 0; i < packet_len; i++) {
1724 sscanf(&asc_packet[j], "%2hhx ",
1725 &raw_packet[i]);
1726 j += 3;
1727 }
1728 dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1729 print_hex_dump(KERN_INFO, "FD raw packet: ",
1730 DUMP_PREFIX_OFFSET, 16, 1,
1731 raw_packet, packet_len, true);
1732 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
1733 if (!ret) {
1734 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1735 } else {
1736 dev_info(&pf->pdev->dev,
1737 "Filter command send failed %d\n", ret);
1738 }
1739 kfree(raw_packet);
1740 raw_packet = NULL;
1741 kfree(asc_packet);
1742 asc_packet = NULL;
1743 } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) {
1744 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false);
1745 } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) {
1746 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true);
1747 } else if (strncmp(cmd_buf, "fd-sb off", 9) == 0) {
1748 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_SB_ENABLED, false);
1749 } else if (strncmp(cmd_buf, "fd-sb on", 8) == 0) {
1750 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_SB_ENABLED, true);
1751 } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1752 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1753 int ret;
1754 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1755 if (ret) {
1756 dev_info(&pf->pdev->dev,
1757 "Stop LLDP AQ command failed =0x%x\n",
1758 pf->hw.aq.asq_last_status);
1759 goto command_write_done;
1760 }
1761 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1762 pf->hw.mac.addr,
1763 I40E_ETH_P_LLDP, 0,
1764 pf->vsi[pf->lan_vsi]->seid,
1765 0, true, NULL, NULL);
1766 if (ret) {
1767 dev_info(&pf->pdev->dev,
1768 "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1769 __func__, pf->hw.aq.asq_last_status);
1770 goto command_write_done;
1771 }
1772#ifdef CONFIG_I40E_DCB
1773 pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1774 DCB_CAP_DCBX_VER_IEEE;
1775#endif /* CONFIG_I40E_DCB */
1776 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1777 int ret;
1778 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1779 pf->hw.mac.addr,
1780 I40E_ETH_P_LLDP, 0,
1781 pf->vsi[pf->lan_vsi]->seid,
1782 0, false, NULL, NULL);
1783 if (ret) {
1784 dev_info(&pf->pdev->dev,
1785 "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1786 __func__, pf->hw.aq.asq_last_status);
1787 /* Continue and start FW LLDP anyways */
1788 }
1789
1790 ret = i40e_aq_start_lldp(&pf->hw, NULL);
1791 if (ret) {
1792 dev_info(&pf->pdev->dev,
1793 "Start LLDP AQ command failed =0x%x\n",
1794 pf->hw.aq.asq_last_status);
1795 goto command_write_done;
1796 }
1797#ifdef CONFIG_I40E_DCB
1798 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1799 DCB_CAP_DCBX_VER_IEEE;
1800#endif /* CONFIG_I40E_DCB */
1801 } else if (strncmp(&cmd_buf[5],
1802 "get local", 9) == 0) {
1803 u16 llen, rlen;
1804 int ret;
1805 u8 *buff;
1806 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1807 if (!buff)
1808 goto command_write_done;
1809
1810 ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1811 I40E_AQ_LLDP_MIB_LOCAL,
1812 buff, I40E_LLDPDU_SIZE,
1813 &llen, &rlen, NULL);
1814 if (ret) {
1815 dev_info(&pf->pdev->dev,
1816 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1817 pf->hw.aq.asq_last_status);
1818 kfree(buff);
1819 buff = NULL;
1820 goto command_write_done;
1821 }
1822 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1823 print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1824 DUMP_PREFIX_OFFSET, 16, 1,
1825 buff, I40E_LLDPDU_SIZE, true);
1826 kfree(buff);
1827 buff = NULL;
1828 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1829 u16 llen, rlen;
1830 int ret;
1831 u8 *buff;
1832 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1833 if (!buff)
1834 goto command_write_done;
1835
1836 ret = i40e_aq_get_lldp_mib(&pf->hw,
1837 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1838 I40E_AQ_LLDP_MIB_LOCAL,
1839 buff, I40E_LLDPDU_SIZE,
1840 &llen, &rlen, NULL);
1841 if (ret) {
1842 dev_info(&pf->pdev->dev,
1843 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1844 pf->hw.aq.asq_last_status);
1845 kfree(buff);
1846 buff = NULL;
1847 goto command_write_done;
1848 }
1849 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1850 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1851 DUMP_PREFIX_OFFSET, 16, 1,
1852 buff, I40E_LLDPDU_SIZE, true);
1853 kfree(buff);
1854 buff = NULL;
1855 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1856 int ret;
1857 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1858 true, NULL);
1859 if (ret) {
1860 dev_info(&pf->pdev->dev,
1861 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1862 pf->hw.aq.asq_last_status);
1863 goto command_write_done;
1864 }
1865 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1866 int ret;
1867 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1868 false, NULL);
1869 if (ret) {
1870 dev_info(&pf->pdev->dev,
1871 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1872 pf->hw.aq.asq_last_status);
1873 goto command_write_done;
1874 }
1875 }
1876 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1877 u16 buffer_len, bytes;
1878 u16 module;
1879 u32 offset;
1880 u16 *buff;
1881 int ret;
1882
1883 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1884 &module, &offset, &buffer_len);
1885 if (cnt == 0) {
1886 module = 0;
1887 offset = 0;
1888 buffer_len = 0;
1889 } else if (cnt == 1) {
1890 offset = 0;
1891 buffer_len = 0;
1892 } else if (cnt == 2) {
1893 buffer_len = 0;
1894 } else if (cnt > 3) {
1895 dev_info(&pf->pdev->dev,
1896 "nvm read: bad command string, cnt=%d\n", cnt);
1897 goto command_write_done;
1898 }
1899
1900 /* set the max length */
1901 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1902
1903 bytes = 2 * buffer_len;
1904
1905 /* read at least 1k bytes, no more than 4kB */
1906 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1907 buff = kzalloc(bytes, GFP_KERNEL);
1908 if (!buff)
1909 goto command_write_done;
1910
1911 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1912 if (ret) {
1913 dev_info(&pf->pdev->dev,
1914 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1915 ret, pf->hw.aq.asq_last_status);
1916 kfree(buff);
1917 goto command_write_done;
1918 }
1919
1920 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1921 bytes, (u8 *)buff, true, NULL);
1922 i40e_release_nvm(&pf->hw);
1923 if (ret) {
1924 dev_info(&pf->pdev->dev,
1925 "Read NVM AQ failed err=%d status=0x%x\n",
1926 ret, pf->hw.aq.asq_last_status);
1927 } else {
1928 dev_info(&pf->pdev->dev,
1929 "Read NVM module=0x%x offset=0x%x words=%d\n",
1930 module, offset, buffer_len);
1931 if (bytes)
1932 print_hex_dump(KERN_INFO, "NVM Dump: ",
1933 DUMP_PREFIX_OFFSET, 16, 2,
1934 buff, bytes, true);
1935 }
1936 kfree(buff);
1937 buff = NULL;
1938 } else {
1939 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1940 dev_info(&pf->pdev->dev, "available commands\n");
1941 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n");
1942 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n");
1943 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n");
1944 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n");
1945 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1946 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1947 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n");
1948 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n");
1949 dev_info(&pf->pdev->dev, " dump switch\n");
1950 dev_info(&pf->pdev->dev, " dump vsi [seid]\n");
1951 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1952 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1953 dev_info(&pf->pdev->dev, " dump desc aq\n");
1954 dev_info(&pf->pdev->dev, " dump stats\n");
1955 dev_info(&pf->pdev->dev, " dump reset stats\n");
1956 dev_info(&pf->pdev->dev, " msg_enable [level]\n");
1957 dev_info(&pf->pdev->dev, " read <reg>\n");
1958 dev_info(&pf->pdev->dev, " write <reg> <value>\n");
1959 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n");
1960 dev_info(&pf->pdev->dev, " clear_stats pf\n");
1961 dev_info(&pf->pdev->dev, " pfr\n");
1962 dev_info(&pf->pdev->dev, " corer\n");
1963 dev_info(&pf->pdev->dev, " globr\n");
1964 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1965 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1966 dev_info(&pf->pdev->dev, " add fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
1967 dev_info(&pf->pdev->dev, " rem fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
1968 dev_info(&pf->pdev->dev, " fd-atr off\n");
1969 dev_info(&pf->pdev->dev, " fd-atr on\n");
1970 dev_info(&pf->pdev->dev, " fd-sb off\n");
1971 dev_info(&pf->pdev->dev, " fd-sb on\n");
1972 dev_info(&pf->pdev->dev, " lldp start\n");
1973 dev_info(&pf->pdev->dev, " lldp stop\n");
1974 dev_info(&pf->pdev->dev, " lldp get local\n");
1975 dev_info(&pf->pdev->dev, " lldp get remote\n");
1976 dev_info(&pf->pdev->dev, " lldp event on\n");
1977 dev_info(&pf->pdev->dev, " lldp event off\n");
1978 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n");
1979 }
1980
1981command_write_done:
1982 kfree(cmd_buf);
1983 cmd_buf = NULL;
1984 return count;
1985}
1986
1987static const struct file_operations i40e_dbg_command_fops = {
1988 .owner = THIS_MODULE,
1989 .open = simple_open,
1990 .read = i40e_dbg_command_read,
1991 .write = i40e_dbg_command_write,
1992};
1993
1994/**************************************************************
1995 * netdev_ops
1996 * The netdev_ops entry in debugfs is for giving the driver commands
1997 * to be executed from the netdev operations.
1998 **************************************************************/
1999static char i40e_dbg_netdev_ops_buf[256] = "hello world";
2000
2001/**
2002 * i40e_dbg_netdev_ops - read for netdev_ops datum
2003 * @filp: the opened file
2004 * @buffer: where to write the data for the user to read
2005 * @count: the size of the user's buffer
2006 * @ppos: file position offset
2007 **/
2008static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
2009 size_t count, loff_t *ppos)
2010{
2011 struct i40e_pf *pf = filp->private_data;
2012 int bytes_not_copied;
2013 int buf_size = 256;
2014 char *buf;
2015 int len;
2016
2017 /* don't allow partal reads */
2018 if (*ppos != 0)
2019 return 0;
2020 if (count < buf_size)
2021 return -ENOSPC;
2022
2023 buf = kzalloc(buf_size, GFP_KERNEL);
2024 if (!buf)
2025 return -ENOSPC;
2026
2027 len = snprintf(buf, buf_size, "%s: %s\n",
2028 pf->vsi[pf->lan_vsi]->netdev->name,
2029 i40e_dbg_netdev_ops_buf);
2030
2031 bytes_not_copied = copy_to_user(buffer, buf, len);
2032 kfree(buf);
2033
2034 if (bytes_not_copied < 0)
2035 return bytes_not_copied;
2036
2037 *ppos = len;
2038 return len;
2039}
2040
2041/**
2042 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
2043 * @filp: the opened file
2044 * @buffer: where to find the user's data
2045 * @count: the length of the user's data
2046 * @ppos: file position offset
2047 **/
2048static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
2049 const char __user *buffer,
2050 size_t count, loff_t *ppos)
2051{
2052 struct i40e_pf *pf = filp->private_data;
2053 int bytes_not_copied;
2054 struct i40e_vsi *vsi;
2055 char *buf_tmp;
2056 int vsi_seid;
2057 int i, cnt;
2058
2059 /* don't allow partial writes */
2060 if (*ppos != 0)
2061 return 0;
2062 if (count >= sizeof(i40e_dbg_netdev_ops_buf))
2063 return -ENOSPC;
2064
2065 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
2066 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
2067 buffer, count);
2068 if (bytes_not_copied < 0)
2069 return bytes_not_copied;
2070 else if (bytes_not_copied > 0)
2071 count -= bytes_not_copied;
2072 i40e_dbg_netdev_ops_buf[count] = '\0';
2073
2074 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
2075 if (buf_tmp) {
2076 *buf_tmp = '\0';
2077 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
2078 }
2079
2080 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
2081 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2082 if (cnt != 1) {
2083 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
2084 goto netdev_ops_write_done;
2085 }
2086 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2087 if (!vsi) {
2088 dev_info(&pf->pdev->dev,
2089 "tx_timeout: VSI %d not found\n", vsi_seid);
2090 } else if (!vsi->netdev) {
2091 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
2092 vsi_seid);
2093 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
2094 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
2095 vsi_seid);
2096 } else if (rtnl_trylock()) {
2097 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
2098 rtnl_unlock();
2099 dev_info(&pf->pdev->dev, "tx_timeout called\n");
2100 } else {
2101 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2102 }
2103 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
2104 int mtu;
2105 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
2106 &vsi_seid, &mtu);
2107 if (cnt != 2) {
2108 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
2109 goto netdev_ops_write_done;
2110 }
2111 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2112 if (!vsi) {
2113 dev_info(&pf->pdev->dev,
2114 "change_mtu: VSI %d not found\n", vsi_seid);
2115 } else if (!vsi->netdev) {
2116 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
2117 vsi_seid);
2118 } else if (rtnl_trylock()) {
2119 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
2120 mtu);
2121 rtnl_unlock();
2122 dev_info(&pf->pdev->dev, "change_mtu called\n");
2123 } else {
2124 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2125 }
2126
2127 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
2128 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
2129 if (cnt != 1) {
2130 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
2131 goto netdev_ops_write_done;
2132 }
2133 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2134 if (!vsi) {
2135 dev_info(&pf->pdev->dev,
2136 "set_rx_mode: VSI %d not found\n", vsi_seid);
2137 } else if (!vsi->netdev) {
2138 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
2139 vsi_seid);
2140 } else if (rtnl_trylock()) {
2141 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
2142 rtnl_unlock();
2143 dev_info(&pf->pdev->dev, "set_rx_mode called\n");
2144 } else {
2145 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
2146 }
2147
2148 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
2149 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
2150 if (cnt != 1) {
2151 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
2152 goto netdev_ops_write_done;
2153 }
2154 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
2155 if (!vsi) {
2156 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
2157 vsi_seid);
2158 } else if (!vsi->netdev) {
2159 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
2160 vsi_seid);
2161 } else {
2162 for (i = 0; i < vsi->num_q_vectors; i++)
2163 napi_schedule(&vsi->q_vectors[i]->napi);
2164 dev_info(&pf->pdev->dev, "napi called\n");
2165 }
2166 } else {
2167 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
2168 i40e_dbg_netdev_ops_buf);
2169 dev_info(&pf->pdev->dev, "available commands\n");
2170 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n");
2171 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n");
2172 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n");
2173 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n");
2174 }
2175netdev_ops_write_done:
2176 return count;
2177}
2178
2179static const struct file_operations i40e_dbg_netdev_ops_fops = {
2180 .owner = THIS_MODULE,
2181 .open = simple_open,
2182 .read = i40e_dbg_netdev_ops_read,
2183 .write = i40e_dbg_netdev_ops_write,
2184};
2185
2186/**
2187 * i40e_dbg_pf_init - setup the debugfs directory for the pf
2188 * @pf: the pf that is starting up
2189 **/
2190void i40e_dbg_pf_init(struct i40e_pf *pf)
2191{
2192 struct dentry *pfile;
2193 const char *name = pci_name(pf->pdev);
2194 const struct device *dev = &pf->pdev->dev;
2195
2196 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
2197 if (!pf->i40e_dbg_pf)
2198 return;
2199
2200 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
2201 &i40e_dbg_command_fops);
2202 if (!pfile)
2203 goto create_failed;
2204
2205 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf,
2206 &i40e_dbg_dump_fops);
2207 if (!pfile)
2208 goto create_failed;
2209
2210 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
2211 &i40e_dbg_netdev_ops_fops);
2212 if (!pfile)
2213 goto create_failed;
2214
2215 return;
2216
2217create_failed:
2218 dev_info(dev, "debugfs dir/file for %s failed\n", name);
2219 debugfs_remove_recursive(pf->i40e_dbg_pf);
2220 return;
2221}
2222
2223/**
2224 * i40e_dbg_pf_exit - clear out the pf's debugfs entries
2225 * @pf: the pf that is stopping
2226 **/
2227void i40e_dbg_pf_exit(struct i40e_pf *pf)
2228{
2229 debugfs_remove_recursive(pf->i40e_dbg_pf);
2230 pf->i40e_dbg_pf = NULL;
2231
2232 kfree(i40e_dbg_dump_buf);
2233 i40e_dbg_dump_buf = NULL;
2234}
2235
2236/**
2237 * i40e_dbg_init - start up debugfs for the driver
2238 **/
2239void i40e_dbg_init(void)
2240{
2241 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2242 if (!i40e_dbg_root)
2243 pr_info("init of debugfs failed\n");
2244}
2245
2246/**
2247 * i40e_dbg_exit - clean out the driver's debugfs entries
2248 **/
2249void i40e_dbg_exit(void)
2250{
2251 debugfs_remove_recursive(i40e_dbg_root);
2252 i40e_dbg_root = NULL;
2253}
2254
2255#endif /* CONFIG_DEBUG_FS */