1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* Copyright(c) 2013 - 2018 Intel Corporation. */ |
3 | |
4 | #ifdef CONFIG_DEBUG_FS |
5 | |
6 | #include <linux/fs.h> |
7 | #include <linux/debugfs.h> |
8 | #include <linux/if_bridge.h> |
9 | #include "i40e.h" |
10 | #include "i40e_virtchnl_pf.h" |
11 | |
12 | static struct dentry *i40e_dbg_root; |
13 | |
14 | enum ring_type { |
15 | RING_TYPE_RX, |
16 | RING_TYPE_TX, |
17 | RING_TYPE_XDP |
18 | }; |
19 | |
20 | /** |
21 | * i40e_dbg_find_vsi - searches for the vsi with the given seid |
22 | * @pf: the PF structure to search for the vsi |
23 | * @seid: seid of the vsi it is searching for |
24 | **/ |
25 | static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) |
26 | { |
27 | int i; |
28 | |
29 | if (seid < 0) |
30 | dev_info(&pf->pdev->dev, "%d: bad seid\n" , seid); |
31 | else |
32 | for (i = 0; i < pf->num_alloc_vsi; i++) |
33 | if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) |
34 | return pf->vsi[i]; |
35 | |
36 | return NULL; |
37 | } |
38 | |
39 | /** |
40 | * i40e_dbg_find_veb - searches for the veb with the given seid |
41 | * @pf: the PF structure to search for the veb |
42 | * @seid: seid of the veb it is searching for |
43 | **/ |
44 | static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid) |
45 | { |
46 | int i; |
47 | |
48 | for (i = 0; i < I40E_MAX_VEB; i++) |
49 | if (pf->veb[i] && pf->veb[i]->seid == seid) |
50 | return pf->veb[i]; |
51 | return NULL; |
52 | } |
53 | |
54 | /************************************************************** |
55 | * command |
56 | * The command entry in debugfs is for giving the driver commands |
57 | * to be executed - these may be for changing the internal switch |
58 | * setup, adding or removing filters, or other things. Many of |
59 | * these will be useful for some forms of unit testing. |
60 | **************************************************************/ |
61 | static char i40e_dbg_command_buf[256] = "" ; |
62 | |
63 | /** |
64 | * i40e_dbg_command_read - read for command datum |
65 | * @filp: the opened file |
66 | * @buffer: where to write the data for the user to read |
67 | * @count: the size of the user's buffer |
68 | * @ppos: file position offset |
69 | **/ |
70 | static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, |
71 | size_t count, loff_t *ppos) |
72 | { |
73 | struct i40e_pf *pf = filp->private_data; |
74 | int bytes_not_copied; |
75 | int buf_size = 256; |
76 | char *buf; |
77 | int len; |
78 | |
79 | /* don't allow partial reads */ |
80 | if (*ppos != 0) |
81 | return 0; |
82 | if (count < buf_size) |
83 | return -ENOSPC; |
84 | |
85 | buf = kzalloc(size: buf_size, GFP_KERNEL); |
86 | if (!buf) |
87 | return -ENOSPC; |
88 | |
89 | len = snprintf(buf, size: buf_size, fmt: "%s: %s\n" , |
90 | pf->vsi[pf->lan_vsi]->netdev->name, |
91 | i40e_dbg_command_buf); |
92 | |
93 | bytes_not_copied = copy_to_user(to: buffer, from: buf, n: len); |
94 | kfree(objp: buf); |
95 | |
96 | if (bytes_not_copied) |
97 | return -EFAULT; |
98 | |
99 | *ppos = len; |
100 | return len; |
101 | } |
102 | |
103 | static char *i40e_filter_state_string[] = { |
104 | "INVALID" , |
105 | "NEW" , |
106 | "ACTIVE" , |
107 | "FAILED" , |
108 | "REMOVE" , |
109 | }; |
110 | |
111 | /** |
112 | * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum |
113 | * @pf: the i40e_pf created in command write |
114 | * @seid: the seid the user put in |
115 | **/ |
116 | static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) |
117 | { |
118 | struct rtnl_link_stats64 *nstat; |
119 | struct i40e_mac_filter *f; |
120 | struct i40e_vsi *vsi; |
121 | int i, bkt; |
122 | |
123 | vsi = i40e_dbg_find_vsi(pf, seid); |
124 | if (!vsi) { |
125 | dev_info(&pf->pdev->dev, |
126 | "dump %d: seid not found\n" , seid); |
127 | return; |
128 | } |
129 | dev_info(&pf->pdev->dev, "vsi seid %d\n" , seid); |
130 | if (vsi->netdev) { |
131 | struct net_device *nd = vsi->netdev; |
132 | |
133 | dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n" , |
134 | nd->name, nd->state, nd->flags); |
135 | dev_info(&pf->pdev->dev, " features = 0x%08lx\n" , |
136 | (unsigned long int)nd->features); |
137 | dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n" , |
138 | (unsigned long int)nd->hw_features); |
139 | dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n" , |
140 | (unsigned long int)nd->vlan_features); |
141 | } |
142 | dev_info(&pf->pdev->dev, |
143 | " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n" , |
144 | vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags); |
145 | for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++) |
146 | dev_info(&pf->pdev->dev, |
147 | " state[%d] = %08lx\n" , |
148 | i, vsi->state[i]); |
149 | if (vsi == pf->vsi[pf->lan_vsi]) |
150 | dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n" , |
151 | pf->hw.mac.addr, |
152 | pf->hw.mac.san_addr, |
153 | pf->hw.mac.port_addr); |
154 | hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { |
155 | dev_info(&pf->pdev->dev, |
156 | " mac_filter_hash: %pM vid=%d, state %s\n" , |
157 | f->macaddr, f->vlan, |
158 | i40e_filter_state_string[f->state]); |
159 | } |
160 | dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n" , |
161 | vsi->active_filters, vsi->promisc_threshold, |
162 | (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ? |
163 | "ON" : "OFF" )); |
164 | nstat = i40e_get_vsi_stats_struct(vsi); |
165 | dev_info(&pf->pdev->dev, |
166 | " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n" , |
167 | (unsigned long int)nstat->rx_packets, |
168 | (unsigned long int)nstat->rx_bytes, |
169 | (unsigned long int)nstat->rx_errors, |
170 | (unsigned long int)nstat->rx_dropped); |
171 | dev_info(&pf->pdev->dev, |
172 | " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n" , |
173 | (unsigned long int)nstat->tx_packets, |
174 | (unsigned long int)nstat->tx_bytes, |
175 | (unsigned long int)nstat->tx_errors, |
176 | (unsigned long int)nstat->tx_dropped); |
177 | dev_info(&pf->pdev->dev, |
178 | " net_stats: multicast = %lu, collisions = %lu\n" , |
179 | (unsigned long int)nstat->multicast, |
180 | (unsigned long int)nstat->collisions); |
181 | dev_info(&pf->pdev->dev, |
182 | " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n" , |
183 | (unsigned long int)nstat->rx_length_errors, |
184 | (unsigned long int)nstat->rx_over_errors, |
185 | (unsigned long int)nstat->rx_crc_errors); |
186 | dev_info(&pf->pdev->dev, |
187 | " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n" , |
188 | (unsigned long int)nstat->rx_frame_errors, |
189 | (unsigned long int)nstat->rx_fifo_errors, |
190 | (unsigned long int)nstat->rx_missed_errors); |
191 | dev_info(&pf->pdev->dev, |
192 | " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n" , |
193 | (unsigned long int)nstat->tx_aborted_errors, |
194 | (unsigned long int)nstat->tx_carrier_errors, |
195 | (unsigned long int)nstat->tx_fifo_errors); |
196 | dev_info(&pf->pdev->dev, |
197 | " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n" , |
198 | (unsigned long int)nstat->tx_heartbeat_errors, |
199 | (unsigned long int)nstat->tx_window_errors); |
200 | dev_info(&pf->pdev->dev, |
201 | " net_stats: rx_compressed = %lu, tx_compressed = %lu\n" , |
202 | (unsigned long int)nstat->rx_compressed, |
203 | (unsigned long int)nstat->tx_compressed); |
204 | dev_info(&pf->pdev->dev, |
205 | " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n" , |
206 | (unsigned long int)vsi->net_stats_offsets.rx_packets, |
207 | (unsigned long int)vsi->net_stats_offsets.rx_bytes, |
208 | (unsigned long int)vsi->net_stats_offsets.rx_errors, |
209 | (unsigned long int)vsi->net_stats_offsets.rx_dropped); |
210 | dev_info(&pf->pdev->dev, |
211 | " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n" , |
212 | (unsigned long int)vsi->net_stats_offsets.tx_packets, |
213 | (unsigned long int)vsi->net_stats_offsets.tx_bytes, |
214 | (unsigned long int)vsi->net_stats_offsets.tx_errors, |
215 | (unsigned long int)vsi->net_stats_offsets.tx_dropped); |
216 | dev_info(&pf->pdev->dev, |
217 | " net_stats_offsets: multicast = %lu, collisions = %lu\n" , |
218 | (unsigned long int)vsi->net_stats_offsets.multicast, |
219 | (unsigned long int)vsi->net_stats_offsets.collisions); |
220 | dev_info(&pf->pdev->dev, |
221 | " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n" , |
222 | (unsigned long int)vsi->net_stats_offsets.rx_length_errors, |
223 | (unsigned long int)vsi->net_stats_offsets.rx_over_errors, |
224 | (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); |
225 | dev_info(&pf->pdev->dev, |
226 | " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n" , |
227 | (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, |
228 | (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, |
229 | (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); |
230 | dev_info(&pf->pdev->dev, |
231 | " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n" , |
232 | (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, |
233 | (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, |
234 | (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); |
235 | dev_info(&pf->pdev->dev, |
236 | " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n" , |
237 | (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, |
238 | (unsigned long int)vsi->net_stats_offsets.tx_window_errors); |
239 | dev_info(&pf->pdev->dev, |
240 | " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n" , |
241 | (unsigned long int)vsi->net_stats_offsets.rx_compressed, |
242 | (unsigned long int)vsi->net_stats_offsets.tx_compressed); |
243 | dev_info(&pf->pdev->dev, |
244 | " tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n" , |
245 | vsi->tx_restart, vsi->tx_busy, |
246 | vsi->rx_buf_failed, vsi->rx_page_failed); |
247 | rcu_read_lock(); |
248 | for (i = 0; i < vsi->num_queue_pairs; i++) { |
249 | struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]); |
250 | |
251 | if (!rx_ring) |
252 | continue; |
253 | |
254 | dev_info(&pf->pdev->dev, |
255 | " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n" , |
256 | i, *rx_ring->state, |
257 | rx_ring->queue_index, |
258 | rx_ring->reg_idx); |
259 | dev_info(&pf->pdev->dev, |
260 | " rx_rings[%i]: rx_buf_len = %d\n" , |
261 | i, rx_ring->rx_buf_len); |
262 | dev_info(&pf->pdev->dev, |
263 | " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n" , |
264 | i, |
265 | rx_ring->next_to_use, |
266 | rx_ring->next_to_clean, |
267 | rx_ring->ring_active); |
268 | dev_info(&pf->pdev->dev, |
269 | " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n" , |
270 | i, rx_ring->stats.packets, |
271 | rx_ring->stats.bytes, |
272 | rx_ring->rx_stats.non_eop_descs); |
273 | dev_info(&pf->pdev->dev, |
274 | " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n" , |
275 | i, |
276 | rx_ring->rx_stats.alloc_page_failed, |
277 | rx_ring->rx_stats.alloc_buff_failed); |
278 | dev_info(&pf->pdev->dev, |
279 | " rx_rings[%i]: rx_stats: realloc_count = 0, page_reuse_count = %lld\n" , |
280 | i, |
281 | rx_ring->rx_stats.page_reuse_count); |
282 | dev_info(&pf->pdev->dev, |
283 | " rx_rings[%i]: size = %i\n" , |
284 | i, rx_ring->size); |
285 | dev_info(&pf->pdev->dev, |
286 | " rx_rings[%i]: itr_setting = %d (%s)\n" , |
287 | i, rx_ring->itr_setting, |
288 | ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed" ); |
289 | } |
290 | for (i = 0; i < vsi->num_queue_pairs; i++) { |
291 | struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); |
292 | |
293 | if (!tx_ring) |
294 | continue; |
295 | |
296 | dev_info(&pf->pdev->dev, |
297 | " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n" , |
298 | i, *tx_ring->state, |
299 | tx_ring->queue_index, |
300 | tx_ring->reg_idx); |
301 | dev_info(&pf->pdev->dev, |
302 | " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n" , |
303 | i, |
304 | tx_ring->next_to_use, |
305 | tx_ring->next_to_clean, |
306 | tx_ring->ring_active); |
307 | dev_info(&pf->pdev->dev, |
308 | " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n" , |
309 | i, tx_ring->stats.packets, |
310 | tx_ring->stats.bytes, |
311 | tx_ring->tx_stats.restart_queue); |
312 | dev_info(&pf->pdev->dev, |
313 | " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld, tx_stopped = %lld\n" , |
314 | i, |
315 | tx_ring->tx_stats.tx_busy, |
316 | tx_ring->tx_stats.tx_done_old, |
317 | tx_ring->tx_stats.tx_stopped); |
318 | dev_info(&pf->pdev->dev, |
319 | " tx_rings[%i]: size = %i\n" , |
320 | i, tx_ring->size); |
321 | dev_info(&pf->pdev->dev, |
322 | " tx_rings[%i]: DCB tc = %d\n" , |
323 | i, tx_ring->dcb_tc); |
324 | dev_info(&pf->pdev->dev, |
325 | " tx_rings[%i]: itr_setting = %d (%s)\n" , |
326 | i, tx_ring->itr_setting, |
327 | ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed" ); |
328 | } |
329 | if (i40e_enabled_xdp_vsi(vsi)) { |
330 | for (i = 0; i < vsi->num_queue_pairs; i++) { |
331 | struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]); |
332 | |
333 | if (!xdp_ring) |
334 | continue; |
335 | |
336 | dev_info(&pf->pdev->dev, |
337 | " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n" , |
338 | i, *xdp_ring->state, |
339 | xdp_ring->queue_index, |
340 | xdp_ring->reg_idx); |
341 | dev_info(&pf->pdev->dev, |
342 | " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n" , |
343 | i, |
344 | xdp_ring->next_to_use, |
345 | xdp_ring->next_to_clean, |
346 | xdp_ring->ring_active); |
347 | dev_info(&pf->pdev->dev, |
348 | " xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n" , |
349 | i, xdp_ring->stats.packets, |
350 | xdp_ring->stats.bytes, |
351 | xdp_ring->tx_stats.restart_queue); |
352 | dev_info(&pf->pdev->dev, |
353 | " xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n" , |
354 | i, |
355 | xdp_ring->tx_stats.tx_busy, |
356 | xdp_ring->tx_stats.tx_done_old); |
357 | dev_info(&pf->pdev->dev, |
358 | " xdp_rings[%i]: size = %i\n" , |
359 | i, xdp_ring->size); |
360 | dev_info(&pf->pdev->dev, |
361 | " xdp_rings[%i]: DCB tc = %d\n" , |
362 | i, xdp_ring->dcb_tc); |
363 | dev_info(&pf->pdev->dev, |
364 | " xdp_rings[%i]: itr_setting = %d (%s)\n" , |
365 | i, xdp_ring->itr_setting, |
366 | ITR_IS_DYNAMIC(xdp_ring->itr_setting) ? |
367 | "dynamic" : "fixed" ); |
368 | } |
369 | } |
370 | rcu_read_unlock(); |
371 | dev_info(&pf->pdev->dev, |
372 | " work_limit = %d\n" , |
373 | vsi->work_limit); |
374 | dev_info(&pf->pdev->dev, |
375 | " max_frame = %d, rx_buf_len = %d dtype = %d\n" , |
376 | vsi->max_frame, vsi->rx_buf_len, 0); |
377 | dev_info(&pf->pdev->dev, |
378 | " num_q_vectors = %i, base_vector = %i\n" , |
379 | vsi->num_q_vectors, vsi->base_vector); |
380 | dev_info(&pf->pdev->dev, |
381 | " seid = %d, id = %d, uplink_seid = %d\n" , |
382 | vsi->seid, vsi->id, vsi->uplink_seid); |
383 | dev_info(&pf->pdev->dev, |
384 | " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n" , |
385 | vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc, |
386 | vsi->num_rx_desc); |
387 | dev_info(&pf->pdev->dev, " type = %i\n" , vsi->type); |
388 | if (vsi->type == I40E_VSI_SRIOV) |
389 | dev_info(&pf->pdev->dev, " VF ID = %i\n" , vsi->vf_id); |
390 | dev_info(&pf->pdev->dev, |
391 | " info: valid_sections = 0x%04x, switch_id = 0x%04x\n" , |
392 | vsi->info.valid_sections, vsi->info.switch_id); |
393 | dev_info(&pf->pdev->dev, |
394 | " info: sw_reserved[] = 0x%02x 0x%02x\n" , |
395 | vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); |
396 | dev_info(&pf->pdev->dev, |
397 | " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n" , |
398 | vsi->info.sec_flags, vsi->info.sec_reserved); |
399 | dev_info(&pf->pdev->dev, |
400 | " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n" , |
401 | vsi->info.pvid, vsi->info.fcoe_pvid, |
402 | vsi->info.port_vlan_flags); |
403 | dev_info(&pf->pdev->dev, |
404 | " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n" , |
405 | vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], |
406 | vsi->info.pvlan_reserved[2]); |
407 | dev_info(&pf->pdev->dev, |
408 | " info: ingress_table = 0x%08x, egress_table = 0x%08x\n" , |
409 | vsi->info.ingress_table, vsi->info.egress_table); |
410 | dev_info(&pf->pdev->dev, |
411 | " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n" , |
412 | vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, |
413 | vsi->info.cas_pv_reserved); |
414 | dev_info(&pf->pdev->dev, |
415 | " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n" , |
416 | vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], |
417 | vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], |
418 | vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], |
419 | vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); |
420 | dev_info(&pf->pdev->dev, |
421 | " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n" , |
422 | vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], |
423 | vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], |
424 | vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], |
425 | vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); |
426 | dev_info(&pf->pdev->dev, |
427 | " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n" , |
428 | vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], |
429 | vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], |
430 | vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], |
431 | vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); |
432 | dev_info(&pf->pdev->dev, |
433 | " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n" , |
434 | vsi->info.queueing_opt_flags, |
435 | vsi->info.queueing_opt_reserved[0], |
436 | vsi->info.queueing_opt_reserved[1], |
437 | vsi->info.queueing_opt_reserved[2]); |
438 | dev_info(&pf->pdev->dev, |
439 | " info: up_enable_bits = 0x%02x\n" , |
440 | vsi->info.up_enable_bits); |
441 | dev_info(&pf->pdev->dev, |
442 | " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n" , |
443 | vsi->info.sched_reserved, vsi->info.outer_up_table); |
444 | dev_info(&pf->pdev->dev, |
445 | " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n" , |
446 | vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], |
447 | vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], |
448 | vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], |
449 | vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); |
450 | dev_info(&pf->pdev->dev, |
451 | " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n" , |
452 | vsi->info.qs_handle[0], vsi->info.qs_handle[1], |
453 | vsi->info.qs_handle[2], vsi->info.qs_handle[3], |
454 | vsi->info.qs_handle[4], vsi->info.qs_handle[5], |
455 | vsi->info.qs_handle[6], vsi->info.qs_handle[7]); |
456 | dev_info(&pf->pdev->dev, |
457 | " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n" , |
458 | vsi->info.stat_counter_idx, vsi->info.sched_id); |
459 | dev_info(&pf->pdev->dev, |
460 | " 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" , |
461 | vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], |
462 | vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], |
463 | vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], |
464 | vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], |
465 | vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], |
466 | vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); |
467 | dev_info(&pf->pdev->dev, " idx = %d\n" , vsi->idx); |
468 | dev_info(&pf->pdev->dev, |
469 | " tc_config: numtc = %d, enabled_tc = 0x%x\n" , |
470 | vsi->tc_config.numtc, vsi->tc_config.enabled_tc); |
471 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
472 | dev_info(&pf->pdev->dev, |
473 | " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n" , |
474 | i, vsi->tc_config.tc_info[i].qoffset, |
475 | vsi->tc_config.tc_info[i].qcount, |
476 | vsi->tc_config.tc_info[i].netdev_tc); |
477 | } |
478 | dev_info(&pf->pdev->dev, |
479 | " bw: bw_limit = %d, bw_max_quanta = %d\n" , |
480 | vsi->bw_limit, vsi->bw_max_quanta); |
481 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
482 | dev_info(&pf->pdev->dev, |
483 | " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n" , |
484 | i, vsi->bw_ets_share_credits[i], |
485 | vsi->bw_ets_limit_credits[i], |
486 | vsi->bw_ets_max_quanta[i]); |
487 | } |
488 | } |
489 | |
490 | /** |
491 | * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum |
492 | * @pf: the i40e_pf created in command write |
493 | **/ |
494 | static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) |
495 | { |
496 | struct i40e_adminq_ring *ring; |
497 | struct i40e_hw *hw = &pf->hw; |
498 | char hdr[32]; |
499 | int i; |
500 | |
501 | snprintf(buf: hdr, size: sizeof(hdr), fmt: "%s %s: " , |
502 | dev_driver_string(dev: &pf->pdev->dev), |
503 | dev_name(dev: &pf->pdev->dev)); |
504 | |
505 | /* first the send (command) ring, then the receive (event) ring */ |
506 | dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n" ); |
507 | ring = &(hw->aq.asq); |
508 | for (i = 0; i < ring->count; i++) { |
509 | struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); |
510 | |
511 | dev_info(&pf->pdev->dev, |
512 | " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n" , |
513 | i, d->flags, d->opcode, d->datalen, d->retval, |
514 | d->cookie_high, d->cookie_low); |
515 | print_hex_dump(KERN_INFO, prefix_str: hdr, prefix_type: DUMP_PREFIX_NONE, |
516 | rowsize: 16, groupsize: 1, buf: d->params.raw, len: 16, ascii: 0); |
517 | } |
518 | |
519 | dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n" ); |
520 | ring = &(hw->aq.arq); |
521 | for (i = 0; i < ring->count; i++) { |
522 | struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); |
523 | |
524 | dev_info(&pf->pdev->dev, |
525 | " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n" , |
526 | i, d->flags, d->opcode, d->datalen, d->retval, |
527 | d->cookie_high, d->cookie_low); |
528 | print_hex_dump(KERN_INFO, prefix_str: hdr, prefix_type: DUMP_PREFIX_NONE, |
529 | rowsize: 16, groupsize: 1, buf: d->params.raw, len: 16, ascii: 0); |
530 | } |
531 | } |
532 | |
533 | /** |
534 | * i40e_dbg_dump_desc - handles dump desc write into command datum |
535 | * @cnt: number of arguments that the user supplied |
536 | * @vsi_seid: vsi id entered by user |
537 | * @ring_id: ring id entered by user |
538 | * @desc_n: descriptor number entered by user |
539 | * @pf: the i40e_pf created in command write |
540 | * @type: enum describing whether ring is RX, TX or XDP |
541 | **/ |
542 | static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, |
543 | struct i40e_pf *pf, enum ring_type type) |
544 | { |
545 | bool is_rx_ring = type == RING_TYPE_RX; |
546 | struct i40e_tx_desc *txd; |
547 | union i40e_rx_desc *rxd; |
548 | struct i40e_ring *ring; |
549 | struct i40e_vsi *vsi; |
550 | int i; |
551 | |
552 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
553 | if (!vsi) { |
554 | dev_info(&pf->pdev->dev, "vsi %d not found\n" , vsi_seid); |
555 | return; |
556 | } |
557 | if (vsi->type != I40E_VSI_MAIN && |
558 | vsi->type != I40E_VSI_FDIR && |
559 | vsi->type != I40E_VSI_VMDQ2) { |
560 | dev_info(&pf->pdev->dev, |
561 | "vsi %d type %d descriptor rings not available\n" , |
562 | vsi_seid, vsi->type); |
563 | return; |
564 | } |
565 | if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) { |
566 | dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n" , vsi_seid); |
567 | return; |
568 | } |
569 | if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { |
570 | dev_info(&pf->pdev->dev, "ring %d not found\n" , ring_id); |
571 | return; |
572 | } |
573 | if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { |
574 | dev_info(&pf->pdev->dev, |
575 | "descriptor rings have not been allocated for vsi %d\n" , |
576 | vsi_seid); |
577 | return; |
578 | } |
579 | |
580 | switch (type) { |
581 | case RING_TYPE_RX: |
582 | ring = kmemdup(p: vsi->rx_rings[ring_id], size: sizeof(*ring), GFP_KERNEL); |
583 | break; |
584 | case RING_TYPE_TX: |
585 | ring = kmemdup(p: vsi->tx_rings[ring_id], size: sizeof(*ring), GFP_KERNEL); |
586 | break; |
587 | case RING_TYPE_XDP: |
588 | ring = kmemdup(p: vsi->xdp_rings[ring_id], size: sizeof(*ring), GFP_KERNEL); |
589 | break; |
590 | default: |
591 | ring = NULL; |
592 | break; |
593 | } |
594 | if (!ring) |
595 | return; |
596 | |
597 | if (cnt == 2) { |
598 | switch (type) { |
599 | case RING_TYPE_RX: |
600 | dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n" , vsi_seid, ring_id); |
601 | break; |
602 | case RING_TYPE_TX: |
603 | dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n" , vsi_seid, ring_id); |
604 | break; |
605 | case RING_TYPE_XDP: |
606 | dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n" , vsi_seid, ring_id); |
607 | break; |
608 | } |
609 | for (i = 0; i < ring->count; i++) { |
610 | if (!is_rx_ring) { |
611 | txd = I40E_TX_DESC(ring, i); |
612 | dev_info(&pf->pdev->dev, |
613 | " d[%03x] = 0x%016llx 0x%016llx\n" , |
614 | i, txd->buffer_addr, |
615 | txd->cmd_type_offset_bsz); |
616 | } else { |
617 | rxd = I40E_RX_DESC(ring, i); |
618 | dev_info(&pf->pdev->dev, |
619 | " d[%03x] = 0x%016llx 0x%016llx\n" , |
620 | i, rxd->read.pkt_addr, |
621 | rxd->read.hdr_addr); |
622 | } |
623 | } |
624 | } else if (cnt == 3) { |
625 | if (desc_n >= ring->count || desc_n < 0) { |
626 | dev_info(&pf->pdev->dev, |
627 | "descriptor %d not found\n" , desc_n); |
628 | goto out; |
629 | } |
630 | if (!is_rx_ring) { |
631 | txd = I40E_TX_DESC(ring, desc_n); |
632 | dev_info(&pf->pdev->dev, |
633 | "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n" , |
634 | vsi_seid, ring_id, desc_n, |
635 | txd->buffer_addr, txd->cmd_type_offset_bsz); |
636 | } else { |
637 | rxd = I40E_RX_DESC(ring, desc_n); |
638 | dev_info(&pf->pdev->dev, |
639 | "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n" , |
640 | vsi_seid, ring_id, desc_n, |
641 | rxd->read.pkt_addr, rxd->read.hdr_addr); |
642 | } |
643 | } else { |
644 | dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n" ); |
645 | } |
646 | |
647 | out: |
648 | kfree(objp: ring); |
649 | } |
650 | |
651 | /** |
652 | * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum |
653 | * @pf: the i40e_pf created in command write |
654 | **/ |
655 | static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) |
656 | { |
657 | int i; |
658 | |
659 | for (i = 0; i < pf->num_alloc_vsi; i++) |
660 | if (pf->vsi[i]) |
661 | dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n" , |
662 | i, pf->vsi[i]->seid); |
663 | } |
664 | |
665 | /** |
666 | * i40e_dbg_dump_eth_stats - handles dump stats write into command datum |
667 | * @pf: the i40e_pf created in command write |
668 | * @estats: the eth stats structure to be dumped |
669 | **/ |
670 | static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, |
671 | struct i40e_eth_stats *estats) |
672 | { |
673 | dev_info(&pf->pdev->dev, " ethstats:\n" ); |
674 | dev_info(&pf->pdev->dev, |
675 | " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n" , |
676 | estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); |
677 | dev_info(&pf->pdev->dev, |
678 | " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n" , |
679 | estats->rx_broadcast, estats->rx_discards); |
680 | dev_info(&pf->pdev->dev, |
681 | " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n" , |
682 | estats->rx_unknown_protocol, estats->tx_bytes); |
683 | dev_info(&pf->pdev->dev, |
684 | " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n" , |
685 | estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); |
686 | dev_info(&pf->pdev->dev, |
687 | " tx_discards = \t%lld \ttx_errors = \t\t%lld\n" , |
688 | estats->tx_discards, estats->tx_errors); |
689 | } |
690 | |
691 | /** |
692 | * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb |
693 | * @pf: the i40e_pf created in command write |
694 | * @seid: the seid the user put in |
695 | **/ |
696 | static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) |
697 | { |
698 | struct i40e_veb *veb; |
699 | |
700 | veb = i40e_dbg_find_veb(pf, seid); |
701 | if (!veb) { |
702 | dev_info(&pf->pdev->dev, "can't find veb %d\n" , seid); |
703 | return; |
704 | } |
705 | dev_info(&pf->pdev->dev, |
706 | "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n" , |
707 | veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, |
708 | veb->uplink_seid, |
709 | veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB" ); |
710 | i40e_dbg_dump_eth_stats(pf, estats: &veb->stats); |
711 | } |
712 | |
713 | /** |
714 | * i40e_dbg_dump_veb_all - dumps all known veb's stats |
715 | * @pf: the i40e_pf created in command write |
716 | **/ |
717 | static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) |
718 | { |
719 | struct i40e_veb *veb; |
720 | int i; |
721 | |
722 | for (i = 0; i < I40E_MAX_VEB; i++) { |
723 | veb = pf->veb[i]; |
724 | if (veb) |
725 | i40e_dbg_dump_veb_seid(pf, seid: veb->seid); |
726 | } |
727 | } |
728 | |
729 | /** |
730 | * i40e_dbg_dump_vf - dump VF info |
731 | * @pf: the i40e_pf created in command write |
732 | * @vf_id: the vf_id from the user |
733 | **/ |
734 | static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) |
735 | { |
736 | struct i40e_vf *vf; |
737 | struct i40e_vsi *vsi; |
738 | |
739 | if (!pf->num_alloc_vfs) { |
740 | dev_info(&pf->pdev->dev, "no VFs allocated\n" ); |
741 | } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { |
742 | vf = &pf->vf[vf_id]; |
743 | vsi = pf->vsi[vf->lan_vsi_idx]; |
744 | dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n" , |
745 | vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); |
746 | dev_info(&pf->pdev->dev, " num MDD=%lld\n" , |
747 | vf->num_mdd_events); |
748 | } else { |
749 | dev_info(&pf->pdev->dev, "invalid VF id %d\n" , vf_id); |
750 | } |
751 | } |
752 | |
753 | /** |
754 | * i40e_dbg_dump_vf_all - dump VF info for all VFs |
755 | * @pf: the i40e_pf created in command write |
756 | **/ |
757 | static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) |
758 | { |
759 | int i; |
760 | |
761 | if (!pf->num_alloc_vfs) |
762 | dev_info(&pf->pdev->dev, "no VFs enabled!\n" ); |
763 | else |
764 | for (i = 0; i < pf->num_alloc_vfs; i++) |
765 | i40e_dbg_dump_vf(pf, vf_id: i); |
766 | } |
767 | |
768 | /** |
769 | * i40e_dbg_command_write - write into command datum |
770 | * @filp: the opened file |
771 | * @buffer: where to find the user's data |
772 | * @count: the length of the user's data |
773 | * @ppos: file position offset |
774 | **/ |
775 | static ssize_t i40e_dbg_command_write(struct file *filp, |
776 | const char __user *buffer, |
777 | size_t count, loff_t *ppos) |
778 | { |
779 | struct i40e_pf *pf = filp->private_data; |
780 | char *cmd_buf, *cmd_buf_tmp; |
781 | int bytes_not_copied; |
782 | struct i40e_vsi *vsi; |
783 | int vsi_seid; |
784 | int veb_seid; |
785 | int vf_id; |
786 | int cnt; |
787 | |
788 | /* don't allow partial writes */ |
789 | if (*ppos != 0) |
790 | return 0; |
791 | |
792 | cmd_buf = kzalloc(size: count + 1, GFP_KERNEL); |
793 | if (!cmd_buf) |
794 | return count; |
795 | bytes_not_copied = copy_from_user(to: cmd_buf, from: buffer, n: count); |
796 | if (bytes_not_copied) { |
797 | kfree(objp: cmd_buf); |
798 | return -EFAULT; |
799 | } |
800 | cmd_buf[count] = '\0'; |
801 | |
802 | cmd_buf_tmp = strchr(cmd_buf, '\n'); |
803 | if (cmd_buf_tmp) { |
804 | *cmd_buf_tmp = '\0'; |
805 | count = cmd_buf_tmp - cmd_buf + 1; |
806 | } |
807 | |
808 | if (strncmp(cmd_buf, "add vsi" , 7) == 0) { |
809 | vsi_seid = -1; |
810 | cnt = sscanf(&cmd_buf[7], "%i" , &vsi_seid); |
811 | if (cnt == 0) { |
812 | /* default to PF VSI */ |
813 | vsi_seid = pf->vsi[pf->lan_vsi]->seid; |
814 | } else if (vsi_seid < 0) { |
815 | dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n" , |
816 | vsi_seid); |
817 | goto command_write_done; |
818 | } |
819 | |
820 | /* By default we are in VEPA mode, if this is the first VF/VMDq |
821 | * VSI to be added switch to VEB mode. |
822 | */ |
823 | if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { |
824 | pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; |
825 | i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); |
826 | } |
827 | |
828 | vsi = i40e_vsi_setup(pf, type: I40E_VSI_VMDQ2, uplink: vsi_seid, param1: 0); |
829 | if (vsi) |
830 | dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n" , |
831 | vsi->seid, vsi->uplink_seid); |
832 | else |
833 | dev_info(&pf->pdev->dev, "'%s' failed\n" , cmd_buf); |
834 | |
835 | } else if (strncmp(cmd_buf, "del vsi" , 7) == 0) { |
836 | cnt = sscanf(&cmd_buf[7], "%i" , &vsi_seid); |
837 | if (cnt != 1) { |
838 | dev_info(&pf->pdev->dev, |
839 | "del vsi: bad command string, cnt=%d\n" , |
840 | cnt); |
841 | goto command_write_done; |
842 | } |
843 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
844 | if (!vsi) { |
845 | dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n" , |
846 | vsi_seid); |
847 | goto command_write_done; |
848 | } |
849 | |
850 | dev_info(&pf->pdev->dev, "deleting VSI %d\n" , vsi_seid); |
851 | i40e_vsi_release(vsi); |
852 | |
853 | } else if (strncmp(cmd_buf, "add relay" , 9) == 0) { |
854 | struct i40e_veb *veb; |
855 | int uplink_seid, i; |
856 | |
857 | cnt = sscanf(&cmd_buf[9], "%i %i" , &uplink_seid, &vsi_seid); |
858 | if (cnt != 2) { |
859 | dev_info(&pf->pdev->dev, |
860 | "add relay: bad command string, cnt=%d\n" , |
861 | cnt); |
862 | goto command_write_done; |
863 | } else if (uplink_seid < 0) { |
864 | dev_info(&pf->pdev->dev, |
865 | "add relay %d: bad uplink seid\n" , |
866 | uplink_seid); |
867 | goto command_write_done; |
868 | } |
869 | |
870 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
871 | if (!vsi) { |
872 | dev_info(&pf->pdev->dev, |
873 | "add relay: VSI %d not found\n" , vsi_seid); |
874 | goto command_write_done; |
875 | } |
876 | |
877 | for (i = 0; i < I40E_MAX_VEB; i++) |
878 | if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) |
879 | break; |
880 | if (i >= I40E_MAX_VEB && uplink_seid != 0 && |
881 | uplink_seid != pf->mac_seid) { |
882 | dev_info(&pf->pdev->dev, |
883 | "add relay: relay uplink %d not found\n" , |
884 | uplink_seid); |
885 | goto command_write_done; |
886 | } |
887 | |
888 | veb = i40e_veb_setup(pf, flags: 0, uplink_seid, downlink_seid: vsi_seid, |
889 | enabled_tc: vsi->tc_config.enabled_tc); |
890 | if (veb) |
891 | dev_info(&pf->pdev->dev, "added relay %d\n" , veb->seid); |
892 | else |
893 | dev_info(&pf->pdev->dev, "add relay failed\n" ); |
894 | |
895 | } else if (strncmp(cmd_buf, "del relay" , 9) == 0) { |
896 | int i; |
897 | cnt = sscanf(&cmd_buf[9], "%i" , &veb_seid); |
898 | if (cnt != 1) { |
899 | dev_info(&pf->pdev->dev, |
900 | "del relay: bad command string, cnt=%d\n" , |
901 | cnt); |
902 | goto command_write_done; |
903 | } else if (veb_seid < 0) { |
904 | dev_info(&pf->pdev->dev, |
905 | "del relay %d: bad relay seid\n" , veb_seid); |
906 | goto command_write_done; |
907 | } |
908 | |
909 | /* find the veb */ |
910 | for (i = 0; i < I40E_MAX_VEB; i++) |
911 | if (pf->veb[i] && pf->veb[i]->seid == veb_seid) |
912 | break; |
913 | if (i >= I40E_MAX_VEB) { |
914 | dev_info(&pf->pdev->dev, |
915 | "del relay: relay %d not found\n" , veb_seid); |
916 | goto command_write_done; |
917 | } |
918 | |
919 | dev_info(&pf->pdev->dev, "deleting relay %d\n" , veb_seid); |
920 | i40e_veb_release(veb: pf->veb[i]); |
921 | } else if (strncmp(cmd_buf, "add pvid" , 8) == 0) { |
922 | unsigned int v; |
923 | int ret; |
924 | u16 vid; |
925 | |
926 | cnt = sscanf(&cmd_buf[8], "%i %u" , &vsi_seid, &v); |
927 | if (cnt != 2) { |
928 | dev_info(&pf->pdev->dev, |
929 | "add pvid: bad command string, cnt=%d\n" , cnt); |
930 | goto command_write_done; |
931 | } |
932 | |
933 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
934 | if (!vsi) { |
935 | dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n" , |
936 | vsi_seid); |
937 | goto command_write_done; |
938 | } |
939 | |
940 | vid = v; |
941 | ret = i40e_vsi_add_pvid(vsi, vid); |
942 | if (!ret) |
943 | dev_info(&pf->pdev->dev, |
944 | "add pvid: %d added to VSI %d\n" , |
945 | vid, vsi_seid); |
946 | else |
947 | dev_info(&pf->pdev->dev, |
948 | "add pvid: %d to VSI %d failed, ret=%d\n" , |
949 | vid, vsi_seid, ret); |
950 | |
951 | } else if (strncmp(cmd_buf, "del pvid" , 8) == 0) { |
952 | |
953 | cnt = sscanf(&cmd_buf[8], "%i" , &vsi_seid); |
954 | if (cnt != 1) { |
955 | dev_info(&pf->pdev->dev, |
956 | "del pvid: bad command string, cnt=%d\n" , |
957 | cnt); |
958 | goto command_write_done; |
959 | } |
960 | |
961 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
962 | if (!vsi) { |
963 | dev_info(&pf->pdev->dev, |
964 | "del pvid: VSI %d not found\n" , vsi_seid); |
965 | goto command_write_done; |
966 | } |
967 | |
968 | i40e_vsi_remove_pvid(vsi); |
969 | dev_info(&pf->pdev->dev, |
970 | "del pvid: removed from VSI %d\n" , vsi_seid); |
971 | |
972 | } else if (strncmp(cmd_buf, "dump" , 4) == 0) { |
973 | if (strncmp(&cmd_buf[5], "switch" , 6) == 0) { |
974 | i40e_fetch_switch_configuration(pf, printconfig: true); |
975 | } else if (strncmp(&cmd_buf[5], "vsi" , 3) == 0) { |
976 | cnt = sscanf(&cmd_buf[8], "%i" , &vsi_seid); |
977 | if (cnt > 0) |
978 | i40e_dbg_dump_vsi_seid(pf, seid: vsi_seid); |
979 | else |
980 | i40e_dbg_dump_vsi_no_seid(pf); |
981 | } else if (strncmp(&cmd_buf[5], "veb" , 3) == 0) { |
982 | cnt = sscanf(&cmd_buf[8], "%i" , &vsi_seid); |
983 | if (cnt > 0) |
984 | i40e_dbg_dump_veb_seid(pf, seid: vsi_seid); |
985 | else |
986 | i40e_dbg_dump_veb_all(pf); |
987 | } else if (strncmp(&cmd_buf[5], "vf" , 2) == 0) { |
988 | cnt = sscanf(&cmd_buf[7], "%i" , &vf_id); |
989 | if (cnt > 0) |
990 | i40e_dbg_dump_vf(pf, vf_id); |
991 | else |
992 | i40e_dbg_dump_vf_all(pf); |
993 | } else if (strncmp(&cmd_buf[5], "desc" , 4) == 0) { |
994 | int ring_id, desc_n; |
995 | if (strncmp(&cmd_buf[10], "rx" , 2) == 0) { |
996 | cnt = sscanf(&cmd_buf[12], "%i %i %i" , |
997 | &vsi_seid, &ring_id, &desc_n); |
998 | i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, |
999 | desc_n, pf, type: RING_TYPE_RX); |
1000 | } else if (strncmp(&cmd_buf[10], "tx" , 2) |
1001 | == 0) { |
1002 | cnt = sscanf(&cmd_buf[12], "%i %i %i" , |
1003 | &vsi_seid, &ring_id, &desc_n); |
1004 | i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, |
1005 | desc_n, pf, type: RING_TYPE_TX); |
1006 | } else if (strncmp(&cmd_buf[10], "xdp" , 3) |
1007 | == 0) { |
1008 | cnt = sscanf(&cmd_buf[13], "%i %i %i" , |
1009 | &vsi_seid, &ring_id, &desc_n); |
1010 | i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, |
1011 | desc_n, pf, type: RING_TYPE_XDP); |
1012 | } else if (strncmp(&cmd_buf[10], "aq" , 2) == 0) { |
1013 | i40e_dbg_dump_aq_desc(pf); |
1014 | } else { |
1015 | dev_info(&pf->pdev->dev, |
1016 | "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1017 | dev_info(&pf->pdev->dev, |
1018 | "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1019 | dev_info(&pf->pdev->dev, |
1020 | "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1021 | dev_info(&pf->pdev->dev, "dump desc aq\n" ); |
1022 | } |
1023 | } else if (strncmp(&cmd_buf[5], "reset stats" , 11) == 0) { |
1024 | dev_info(&pf->pdev->dev, |
1025 | "core reset count: %d\n" , pf->corer_count); |
1026 | dev_info(&pf->pdev->dev, |
1027 | "global reset count: %d\n" , pf->globr_count); |
1028 | dev_info(&pf->pdev->dev, |
1029 | "emp reset count: %d\n" , pf->empr_count); |
1030 | dev_info(&pf->pdev->dev, |
1031 | "pf reset count: %d\n" , pf->pfr_count); |
1032 | dev_info(&pf->pdev->dev, |
1033 | "pf tx sluggish count: %d\n" , |
1034 | pf->tx_sluggish_count); |
1035 | } else if (strncmp(&cmd_buf[5], "port" , 4) == 0) { |
1036 | struct i40e_aqc_query_port_ets_config_resp *bw_data; |
1037 | struct i40e_dcbx_config *cfg = |
1038 | &pf->hw.local_dcbx_config; |
1039 | struct i40e_dcbx_config *r_cfg = |
1040 | &pf->hw.remote_dcbx_config; |
1041 | int i, ret; |
1042 | u16 switch_id; |
1043 | |
1044 | bw_data = kzalloc(size: sizeof( |
1045 | struct i40e_aqc_query_port_ets_config_resp), |
1046 | GFP_KERNEL); |
1047 | if (!bw_data) { |
1048 | ret = -ENOMEM; |
1049 | goto command_write_done; |
1050 | } |
1051 | |
1052 | vsi = pf->vsi[pf->lan_vsi]; |
1053 | switch_id = |
1054 | le16_to_cpu(vsi->info.switch_id) & |
1055 | I40E_AQ_VSI_SW_ID_MASK; |
1056 | |
1057 | ret = i40e_aq_query_port_ets_config(hw: &pf->hw, |
1058 | seid: switch_id, |
1059 | bw_data, NULL); |
1060 | if (ret) { |
1061 | dev_info(&pf->pdev->dev, |
1062 | "Query Port ETS Config AQ command failed =0x%x\n" , |
1063 | pf->hw.aq.asq_last_status); |
1064 | kfree(objp: bw_data); |
1065 | bw_data = NULL; |
1066 | goto command_write_done; |
1067 | } |
1068 | dev_info(&pf->pdev->dev, |
1069 | "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n" , |
1070 | bw_data->tc_valid_bits, |
1071 | bw_data->tc_strict_priority_bits, |
1072 | le16_to_cpu(bw_data->tc_bw_max[0]), |
1073 | le16_to_cpu(bw_data->tc_bw_max[1])); |
1074 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
1075 | dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n" , |
1076 | bw_data->tc_bw_share_credits[i], |
1077 | le16_to_cpu(bw_data->tc_bw_limits[i])); |
1078 | } |
1079 | |
1080 | kfree(objp: bw_data); |
1081 | bw_data = NULL; |
1082 | |
1083 | dev_info(&pf->pdev->dev, |
1084 | "port dcbx_mode=%d\n" , cfg->dcbx_mode); |
1085 | dev_info(&pf->pdev->dev, |
1086 | "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n" , |
1087 | cfg->etscfg.willing, cfg->etscfg.cbs, |
1088 | cfg->etscfg.maxtcs); |
1089 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
1090 | dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n" , |
1091 | i, cfg->etscfg.prioritytable[i], |
1092 | cfg->etscfg.tcbwtable[i], |
1093 | cfg->etscfg.tsatable[i]); |
1094 | } |
1095 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
1096 | dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n" , |
1097 | i, cfg->etsrec.prioritytable[i], |
1098 | cfg->etsrec.tcbwtable[i], |
1099 | cfg->etsrec.tsatable[i]); |
1100 | } |
1101 | dev_info(&pf->pdev->dev, |
1102 | "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n" , |
1103 | cfg->pfc.willing, cfg->pfc.mbc, |
1104 | cfg->pfc.pfccap, cfg->pfc.pfcenable); |
1105 | dev_info(&pf->pdev->dev, |
1106 | "port app_table: num_apps=%d\n" , cfg->numapps); |
1107 | for (i = 0; i < cfg->numapps; i++) { |
1108 | dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n" , |
1109 | i, cfg->app[i].priority, |
1110 | cfg->app[i].selector, |
1111 | cfg->app[i].protocolid); |
1112 | } |
1113 | /* Peer TLV DCBX data */ |
1114 | dev_info(&pf->pdev->dev, |
1115 | "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n" , |
1116 | r_cfg->etscfg.willing, |
1117 | r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); |
1118 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
1119 | dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n" , |
1120 | i, r_cfg->etscfg.prioritytable[i], |
1121 | r_cfg->etscfg.tcbwtable[i], |
1122 | r_cfg->etscfg.tsatable[i]); |
1123 | } |
1124 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
1125 | dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n" , |
1126 | i, r_cfg->etsrec.prioritytable[i], |
1127 | r_cfg->etsrec.tcbwtable[i], |
1128 | r_cfg->etsrec.tsatable[i]); |
1129 | } |
1130 | dev_info(&pf->pdev->dev, |
1131 | "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n" , |
1132 | r_cfg->pfc.willing, |
1133 | r_cfg->pfc.mbc, |
1134 | r_cfg->pfc.pfccap, |
1135 | r_cfg->pfc.pfcenable); |
1136 | dev_info(&pf->pdev->dev, |
1137 | "remote port app_table: num_apps=%d\n" , |
1138 | r_cfg->numapps); |
1139 | for (i = 0; i < r_cfg->numapps; i++) { |
1140 | dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n" , |
1141 | i, r_cfg->app[i].priority, |
1142 | r_cfg->app[i].selector, |
1143 | r_cfg->app[i].protocolid); |
1144 | } |
1145 | } else if (strncmp(&cmd_buf[5], "debug fwdata" , 12) == 0) { |
1146 | int cluster_id, table_id; |
1147 | int index, ret; |
1148 | u16 buff_len = 4096; |
1149 | u32 next_index; |
1150 | u8 next_table; |
1151 | u8 *buff; |
1152 | u16 rlen; |
1153 | |
1154 | cnt = sscanf(&cmd_buf[18], "%i %i %i" , |
1155 | &cluster_id, &table_id, &index); |
1156 | if (cnt != 3) { |
1157 | dev_info(&pf->pdev->dev, |
1158 | "dump debug fwdata <cluster_id> <table_id> <index>\n" ); |
1159 | goto command_write_done; |
1160 | } |
1161 | |
1162 | dev_info(&pf->pdev->dev, |
1163 | "AQ debug dump fwdata params %x %x %x %x\n" , |
1164 | cluster_id, table_id, index, buff_len); |
1165 | buff = kzalloc(size: buff_len, GFP_KERNEL); |
1166 | if (!buff) |
1167 | goto command_write_done; |
1168 | |
1169 | ret = i40e_aq_debug_dump(hw: &pf->hw, cluster_id, table_id, |
1170 | start_index: index, buff_size: buff_len, buff, ret_buff_size: &rlen, |
1171 | ret_next_table: &next_table, ret_next_index: &next_index, |
1172 | NULL); |
1173 | if (ret) { |
1174 | dev_info(&pf->pdev->dev, |
1175 | "debug dump fwdata AQ Failed %d 0x%x\n" , |
1176 | ret, pf->hw.aq.asq_last_status); |
1177 | kfree(objp: buff); |
1178 | buff = NULL; |
1179 | goto command_write_done; |
1180 | } |
1181 | dev_info(&pf->pdev->dev, |
1182 | "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n" , |
1183 | rlen, next_table, next_index); |
1184 | print_hex_dump(KERN_INFO, prefix_str: "AQ buffer WB: " , |
1185 | prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 1, |
1186 | buf: buff, len: rlen, ascii: true); |
1187 | kfree(objp: buff); |
1188 | buff = NULL; |
1189 | } else { |
1190 | dev_info(&pf->pdev->dev, |
1191 | "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n" ); |
1192 | dev_info(&pf->pdev->dev, "dump switch\n" ); |
1193 | dev_info(&pf->pdev->dev, "dump vsi [seid]\n" ); |
1194 | dev_info(&pf->pdev->dev, "dump reset stats\n" ); |
1195 | dev_info(&pf->pdev->dev, "dump port\n" ); |
1196 | dev_info(&pf->pdev->dev, "dump vf [vf_id]\n" ); |
1197 | dev_info(&pf->pdev->dev, |
1198 | "dump debug fwdata <cluster_id> <table_id> <index>\n" ); |
1199 | } |
1200 | } else if (strncmp(cmd_buf, "pfr" , 3) == 0) { |
1201 | dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n" ); |
1202 | i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); |
1203 | |
1204 | } else if (strncmp(cmd_buf, "corer" , 5) == 0) { |
1205 | dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n" ); |
1206 | i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); |
1207 | |
1208 | } else if (strncmp(cmd_buf, "globr" , 5) == 0) { |
1209 | dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n" ); |
1210 | i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); |
1211 | |
1212 | } else if (strncmp(cmd_buf, "read" , 4) == 0) { |
1213 | u32 address; |
1214 | u32 value; |
1215 | |
1216 | cnt = sscanf(&cmd_buf[4], "%i" , &address); |
1217 | if (cnt != 1) { |
1218 | dev_info(&pf->pdev->dev, "read <reg>\n" ); |
1219 | goto command_write_done; |
1220 | } |
1221 | |
1222 | /* check the range on address */ |
1223 | if (address > (pf->ioremap_len - sizeof(u32))) { |
1224 | dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n" , |
1225 | address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); |
1226 | goto command_write_done; |
1227 | } |
1228 | |
1229 | value = rd32(&pf->hw, address); |
1230 | dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n" , |
1231 | address, value); |
1232 | |
1233 | } else if (strncmp(cmd_buf, "write" , 5) == 0) { |
1234 | u32 address, value; |
1235 | |
1236 | cnt = sscanf(&cmd_buf[5], "%i %i" , &address, &value); |
1237 | if (cnt != 2) { |
1238 | dev_info(&pf->pdev->dev, "write <reg> <value>\n" ); |
1239 | goto command_write_done; |
1240 | } |
1241 | |
1242 | /* check the range on address */ |
1243 | if (address > (pf->ioremap_len - sizeof(u32))) { |
1244 | dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n" , |
1245 | address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); |
1246 | goto command_write_done; |
1247 | } |
1248 | wr32(&pf->hw, address, value); |
1249 | value = rd32(&pf->hw, address); |
1250 | dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n" , |
1251 | address, value); |
1252 | } else if (strncmp(cmd_buf, "clear_stats" , 11) == 0) { |
1253 | if (strncmp(&cmd_buf[12], "vsi" , 3) == 0) { |
1254 | cnt = sscanf(&cmd_buf[15], "%i" , &vsi_seid); |
1255 | if (cnt == 0) { |
1256 | int i; |
1257 | |
1258 | for (i = 0; i < pf->num_alloc_vsi; i++) |
1259 | i40e_vsi_reset_stats(vsi: pf->vsi[i]); |
1260 | dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n" ); |
1261 | } else if (cnt == 1) { |
1262 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
1263 | if (!vsi) { |
1264 | dev_info(&pf->pdev->dev, |
1265 | "clear_stats vsi: bad vsi %d\n" , |
1266 | vsi_seid); |
1267 | goto command_write_done; |
1268 | } |
1269 | i40e_vsi_reset_stats(vsi); |
1270 | dev_info(&pf->pdev->dev, |
1271 | "vsi clear stats called for vsi %d\n" , |
1272 | vsi_seid); |
1273 | } else { |
1274 | dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n" ); |
1275 | } |
1276 | } else if (strncmp(&cmd_buf[12], "port" , 4) == 0) { |
1277 | if (pf->hw.partition_id == 1) { |
1278 | i40e_pf_reset_stats(pf); |
1279 | dev_info(&pf->pdev->dev, "port stats cleared\n" ); |
1280 | } else { |
1281 | dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n" ); |
1282 | } |
1283 | } else { |
1284 | dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n" ); |
1285 | } |
1286 | } else if (strncmp(cmd_buf, "send aq_cmd" , 11) == 0) { |
1287 | struct i40e_aq_desc *desc; |
1288 | int ret; |
1289 | |
1290 | desc = kzalloc(size: sizeof(struct i40e_aq_desc), GFP_KERNEL); |
1291 | if (!desc) |
1292 | goto command_write_done; |
1293 | cnt = sscanf(&cmd_buf[11], |
1294 | "%hi %hi %hi %hi %i %i %i %i %i %i" , |
1295 | &desc->flags, |
1296 | &desc->opcode, &desc->datalen, &desc->retval, |
1297 | &desc->cookie_high, &desc->cookie_low, |
1298 | &desc->params.internal.param0, |
1299 | &desc->params.internal.param1, |
1300 | &desc->params.internal.param2, |
1301 | &desc->params.internal.param3); |
1302 | if (cnt != 10) { |
1303 | dev_info(&pf->pdev->dev, |
1304 | "send aq_cmd: bad command string, cnt=%d\n" , |
1305 | cnt); |
1306 | kfree(objp: desc); |
1307 | desc = NULL; |
1308 | goto command_write_done; |
1309 | } |
1310 | ret = i40e_asq_send_command(hw: &pf->hw, desc, NULL, buff_size: 0, NULL); |
1311 | if (!ret) { |
1312 | dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n" ); |
1313 | } else if (ret == -EIO) { |
1314 | dev_info(&pf->pdev->dev, |
1315 | "AQ command send failed Opcode %x AQ Error: %d\n" , |
1316 | desc->opcode, pf->hw.aq.asq_last_status); |
1317 | } else { |
1318 | dev_info(&pf->pdev->dev, |
1319 | "AQ command send failed Opcode %x Status: %d\n" , |
1320 | desc->opcode, ret); |
1321 | } |
1322 | dev_info(&pf->pdev->dev, |
1323 | "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n" , |
1324 | desc->flags, desc->opcode, desc->datalen, desc->retval, |
1325 | desc->cookie_high, desc->cookie_low, |
1326 | desc->params.internal.param0, |
1327 | desc->params.internal.param1, |
1328 | desc->params.internal.param2, |
1329 | desc->params.internal.param3); |
1330 | kfree(objp: desc); |
1331 | desc = NULL; |
1332 | } else if (strncmp(cmd_buf, "send indirect aq_cmd" , 20) == 0) { |
1333 | struct i40e_aq_desc *desc; |
1334 | u16 buffer_len; |
1335 | u8 *buff; |
1336 | int ret; |
1337 | |
1338 | desc = kzalloc(size: sizeof(struct i40e_aq_desc), GFP_KERNEL); |
1339 | if (!desc) |
1340 | goto command_write_done; |
1341 | cnt = sscanf(&cmd_buf[20], |
1342 | "%hi %hi %hi %hi %i %i %i %i %i %i %hi" , |
1343 | &desc->flags, |
1344 | &desc->opcode, &desc->datalen, &desc->retval, |
1345 | &desc->cookie_high, &desc->cookie_low, |
1346 | &desc->params.internal.param0, |
1347 | &desc->params.internal.param1, |
1348 | &desc->params.internal.param2, |
1349 | &desc->params.internal.param3, |
1350 | &buffer_len); |
1351 | if (cnt != 11) { |
1352 | dev_info(&pf->pdev->dev, |
1353 | "send indirect aq_cmd: bad command string, cnt=%d\n" , |
1354 | cnt); |
1355 | kfree(objp: desc); |
1356 | desc = NULL; |
1357 | goto command_write_done; |
1358 | } |
1359 | /* Just stub a buffer big enough in case user messed up */ |
1360 | if (buffer_len == 0) |
1361 | buffer_len = 1280; |
1362 | |
1363 | buff = kzalloc(size: buffer_len, GFP_KERNEL); |
1364 | if (!buff) { |
1365 | kfree(objp: desc); |
1366 | desc = NULL; |
1367 | goto command_write_done; |
1368 | } |
1369 | desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); |
1370 | ret = i40e_asq_send_command(hw: &pf->hw, desc, buff, |
1371 | buff_size: buffer_len, NULL); |
1372 | if (!ret) { |
1373 | dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n" ); |
1374 | } else if (ret == -EIO) { |
1375 | dev_info(&pf->pdev->dev, |
1376 | "AQ command send failed Opcode %x AQ Error: %d\n" , |
1377 | desc->opcode, pf->hw.aq.asq_last_status); |
1378 | } else { |
1379 | dev_info(&pf->pdev->dev, |
1380 | "AQ command send failed Opcode %x Status: %d\n" , |
1381 | desc->opcode, ret); |
1382 | } |
1383 | dev_info(&pf->pdev->dev, |
1384 | "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n" , |
1385 | desc->flags, desc->opcode, desc->datalen, desc->retval, |
1386 | desc->cookie_high, desc->cookie_low, |
1387 | desc->params.internal.param0, |
1388 | desc->params.internal.param1, |
1389 | desc->params.internal.param2, |
1390 | desc->params.internal.param3); |
1391 | print_hex_dump(KERN_INFO, prefix_str: "AQ buffer WB: " , |
1392 | prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 1, |
1393 | buf: buff, len: buffer_len, ascii: true); |
1394 | kfree(objp: buff); |
1395 | buff = NULL; |
1396 | kfree(objp: desc); |
1397 | desc = NULL; |
1398 | } else if (strncmp(cmd_buf, "fd current cnt" , 14) == 0) { |
1399 | dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n" , |
1400 | i40e_get_current_fd_count(pf)); |
1401 | } else if (strncmp(cmd_buf, "lldp" , 4) == 0) { |
1402 | if (strncmp(&cmd_buf[5], "stop" , 4) == 0) { |
1403 | int ret; |
1404 | |
1405 | ret = i40e_aq_stop_lldp(hw: &pf->hw, shutdown_agent: false, persist: false, NULL); |
1406 | if (ret) { |
1407 | dev_info(&pf->pdev->dev, |
1408 | "Stop LLDP AQ command failed =0x%x\n" , |
1409 | pf->hw.aq.asq_last_status); |
1410 | goto command_write_done; |
1411 | } |
1412 | ret = i40e_aq_add_rem_control_packet_filter(hw: &pf->hw, |
1413 | mac_addr: pf->hw.mac.addr, |
1414 | ETH_P_LLDP, flags: 0, |
1415 | vsi_seid: pf->vsi[pf->lan_vsi]->seid, |
1416 | queue: 0, is_add: true, NULL, NULL); |
1417 | if (ret) { |
1418 | dev_info(&pf->pdev->dev, |
1419 | "%s: Add Control Packet Filter AQ command failed =0x%x\n" , |
1420 | __func__, pf->hw.aq.asq_last_status); |
1421 | goto command_write_done; |
1422 | } |
1423 | #ifdef CONFIG_I40E_DCB |
1424 | pf->dcbx_cap = DCB_CAP_DCBX_HOST | |
1425 | DCB_CAP_DCBX_VER_IEEE; |
1426 | #endif /* CONFIG_I40E_DCB */ |
1427 | } else if (strncmp(&cmd_buf[5], "start" , 5) == 0) { |
1428 | int ret; |
1429 | |
1430 | ret = i40e_aq_add_rem_control_packet_filter(hw: &pf->hw, |
1431 | mac_addr: pf->hw.mac.addr, |
1432 | ETH_P_LLDP, flags: 0, |
1433 | vsi_seid: pf->vsi[pf->lan_vsi]->seid, |
1434 | queue: 0, is_add: false, NULL, NULL); |
1435 | if (ret) { |
1436 | dev_info(&pf->pdev->dev, |
1437 | "%s: Remove Control Packet Filter AQ command failed =0x%x\n" , |
1438 | __func__, pf->hw.aq.asq_last_status); |
1439 | /* Continue and start FW LLDP anyways */ |
1440 | } |
1441 | |
1442 | ret = i40e_aq_start_lldp(hw: &pf->hw, persist: false, NULL); |
1443 | if (ret) { |
1444 | dev_info(&pf->pdev->dev, |
1445 | "Start LLDP AQ command failed =0x%x\n" , |
1446 | pf->hw.aq.asq_last_status); |
1447 | goto command_write_done; |
1448 | } |
1449 | #ifdef CONFIG_I40E_DCB |
1450 | pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | |
1451 | DCB_CAP_DCBX_VER_IEEE; |
1452 | #endif /* CONFIG_I40E_DCB */ |
1453 | } else if (strncmp(&cmd_buf[5], |
1454 | "get local" , 9) == 0) { |
1455 | u16 llen, rlen; |
1456 | int ret; |
1457 | u8 *buff; |
1458 | |
1459 | buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); |
1460 | if (!buff) |
1461 | goto command_write_done; |
1462 | |
1463 | ret = i40e_aq_get_lldp_mib(hw: &pf->hw, bridge_type: 0, |
1464 | I40E_AQ_LLDP_MIB_LOCAL, |
1465 | buff, I40E_LLDPDU_SIZE, |
1466 | local_len: &llen, remote_len: &rlen, NULL); |
1467 | if (ret) { |
1468 | dev_info(&pf->pdev->dev, |
1469 | "Get LLDP MIB (local) AQ command failed =0x%x\n" , |
1470 | pf->hw.aq.asq_last_status); |
1471 | kfree(objp: buff); |
1472 | buff = NULL; |
1473 | goto command_write_done; |
1474 | } |
1475 | dev_info(&pf->pdev->dev, "LLDP MIB (local)\n" ); |
1476 | print_hex_dump(KERN_INFO, prefix_str: "LLDP MIB (local): " , |
1477 | prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 1, |
1478 | buf: buff, I40E_LLDPDU_SIZE, ascii: true); |
1479 | kfree(objp: buff); |
1480 | buff = NULL; |
1481 | } else if (strncmp(&cmd_buf[5], "get remote" , 10) == 0) { |
1482 | u16 llen, rlen; |
1483 | int ret; |
1484 | u8 *buff; |
1485 | |
1486 | buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); |
1487 | if (!buff) |
1488 | goto command_write_done; |
1489 | |
1490 | ret = i40e_aq_get_lldp_mib(hw: &pf->hw, |
1491 | I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, |
1492 | I40E_AQ_LLDP_MIB_REMOTE, |
1493 | buff, I40E_LLDPDU_SIZE, |
1494 | local_len: &llen, remote_len: &rlen, NULL); |
1495 | if (ret) { |
1496 | dev_info(&pf->pdev->dev, |
1497 | "Get LLDP MIB (remote) AQ command failed =0x%x\n" , |
1498 | pf->hw.aq.asq_last_status); |
1499 | kfree(objp: buff); |
1500 | buff = NULL; |
1501 | goto command_write_done; |
1502 | } |
1503 | dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n" ); |
1504 | print_hex_dump(KERN_INFO, prefix_str: "LLDP MIB (remote): " , |
1505 | prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 1, |
1506 | buf: buff, I40E_LLDPDU_SIZE, ascii: true); |
1507 | kfree(objp: buff); |
1508 | buff = NULL; |
1509 | } else if (strncmp(&cmd_buf[5], "event on" , 8) == 0) { |
1510 | int ret; |
1511 | |
1512 | ret = i40e_aq_cfg_lldp_mib_change_event(hw: &pf->hw, |
1513 | enable_update: true, NULL); |
1514 | if (ret) { |
1515 | dev_info(&pf->pdev->dev, |
1516 | "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n" , |
1517 | pf->hw.aq.asq_last_status); |
1518 | goto command_write_done; |
1519 | } |
1520 | } else if (strncmp(&cmd_buf[5], "event off" , 9) == 0) { |
1521 | int ret; |
1522 | |
1523 | ret = i40e_aq_cfg_lldp_mib_change_event(hw: &pf->hw, |
1524 | enable_update: false, NULL); |
1525 | if (ret) { |
1526 | dev_info(&pf->pdev->dev, |
1527 | "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n" , |
1528 | pf->hw.aq.asq_last_status); |
1529 | goto command_write_done; |
1530 | } |
1531 | } |
1532 | } else if (strncmp(cmd_buf, "nvm read" , 8) == 0) { |
1533 | u16 buffer_len, bytes; |
1534 | u16 module; |
1535 | u32 offset; |
1536 | u16 *buff; |
1537 | int ret; |
1538 | |
1539 | cnt = sscanf(&cmd_buf[8], "%hx %x %hx" , |
1540 | &module, &offset, &buffer_len); |
1541 | if (cnt == 0) { |
1542 | module = 0; |
1543 | offset = 0; |
1544 | buffer_len = 0; |
1545 | } else if (cnt == 1) { |
1546 | offset = 0; |
1547 | buffer_len = 0; |
1548 | } else if (cnt == 2) { |
1549 | buffer_len = 0; |
1550 | } else if (cnt > 3) { |
1551 | dev_info(&pf->pdev->dev, |
1552 | "nvm read: bad command string, cnt=%d\n" , cnt); |
1553 | goto command_write_done; |
1554 | } |
1555 | |
1556 | /* set the max length */ |
1557 | buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); |
1558 | |
1559 | bytes = 2 * buffer_len; |
1560 | |
1561 | /* read at least 1k bytes, no more than 4kB */ |
1562 | bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); |
1563 | buff = kzalloc(size: bytes, GFP_KERNEL); |
1564 | if (!buff) |
1565 | goto command_write_done; |
1566 | |
1567 | ret = i40e_acquire_nvm(hw: &pf->hw, access: I40E_RESOURCE_READ); |
1568 | if (ret) { |
1569 | dev_info(&pf->pdev->dev, |
1570 | "Failed Acquiring NVM resource for read err=%d status=0x%x\n" , |
1571 | ret, pf->hw.aq.asq_last_status); |
1572 | kfree(objp: buff); |
1573 | goto command_write_done; |
1574 | } |
1575 | |
1576 | ret = i40e_aq_read_nvm(hw: &pf->hw, module_pointer: module, offset: (2 * offset), |
1577 | length: bytes, data: (u8 *)buff, last_command: true, NULL); |
1578 | i40e_release_nvm(hw: &pf->hw); |
1579 | if (ret) { |
1580 | dev_info(&pf->pdev->dev, |
1581 | "Read NVM AQ failed err=%d status=0x%x\n" , |
1582 | ret, pf->hw.aq.asq_last_status); |
1583 | } else { |
1584 | dev_info(&pf->pdev->dev, |
1585 | "Read NVM module=0x%x offset=0x%x words=%d\n" , |
1586 | module, offset, buffer_len); |
1587 | if (bytes) |
1588 | print_hex_dump(KERN_INFO, prefix_str: "NVM Dump: " , |
1589 | prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 2, |
1590 | buf: buff, len: bytes, ascii: true); |
1591 | } |
1592 | kfree(objp: buff); |
1593 | buff = NULL; |
1594 | } else { |
1595 | dev_info(&pf->pdev->dev, "unknown command '%s'\n" , cmd_buf); |
1596 | dev_info(&pf->pdev->dev, "available commands\n" ); |
1597 | dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n" ); |
1598 | dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n" ); |
1599 | dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n" ); |
1600 | dev_info(&pf->pdev->dev, " del relay <relay_seid>\n" ); |
1601 | dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n" ); |
1602 | dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n" ); |
1603 | dev_info(&pf->pdev->dev, " dump switch\n" ); |
1604 | dev_info(&pf->pdev->dev, " dump vsi [seid]\n" ); |
1605 | dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1606 | dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1607 | dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1608 | dev_info(&pf->pdev->dev, " dump desc aq\n" ); |
1609 | dev_info(&pf->pdev->dev, " dump reset stats\n" ); |
1610 | dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n" ); |
1611 | dev_info(&pf->pdev->dev, " read <reg>\n" ); |
1612 | dev_info(&pf->pdev->dev, " write <reg> <value>\n" ); |
1613 | dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n" ); |
1614 | dev_info(&pf->pdev->dev, " clear_stats port\n" ); |
1615 | dev_info(&pf->pdev->dev, " pfr\n" ); |
1616 | dev_info(&pf->pdev->dev, " corer\n" ); |
1617 | dev_info(&pf->pdev->dev, " globr\n" ); |
1618 | dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n" ); |
1619 | dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n" ); |
1620 | dev_info(&pf->pdev->dev, " fd current cnt" ); |
1621 | dev_info(&pf->pdev->dev, " lldp start\n" ); |
1622 | dev_info(&pf->pdev->dev, " lldp stop\n" ); |
1623 | dev_info(&pf->pdev->dev, " lldp get local\n" ); |
1624 | dev_info(&pf->pdev->dev, " lldp get remote\n" ); |
1625 | dev_info(&pf->pdev->dev, " lldp event on\n" ); |
1626 | dev_info(&pf->pdev->dev, " lldp event off\n" ); |
1627 | dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n" ); |
1628 | } |
1629 | |
1630 | command_write_done: |
1631 | kfree(objp: cmd_buf); |
1632 | cmd_buf = NULL; |
1633 | return count; |
1634 | } |
1635 | |
1636 | static const struct file_operations i40e_dbg_command_fops = { |
1637 | .owner = THIS_MODULE, |
1638 | .open = simple_open, |
1639 | .read = i40e_dbg_command_read, |
1640 | .write = i40e_dbg_command_write, |
1641 | }; |
1642 | |
1643 | /************************************************************** |
1644 | * netdev_ops |
1645 | * The netdev_ops entry in debugfs is for giving the driver commands |
1646 | * to be executed from the netdev operations. |
1647 | **************************************************************/ |
1648 | static char i40e_dbg_netdev_ops_buf[256] = "" ; |
1649 | |
1650 | /** |
1651 | * i40e_dbg_netdev_ops_read - read for netdev_ops datum |
1652 | * @filp: the opened file |
1653 | * @buffer: where to write the data for the user to read |
1654 | * @count: the size of the user's buffer |
1655 | * @ppos: file position offset |
1656 | **/ |
1657 | static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, |
1658 | size_t count, loff_t *ppos) |
1659 | { |
1660 | struct i40e_pf *pf = filp->private_data; |
1661 | int bytes_not_copied; |
1662 | int buf_size = 256; |
1663 | char *buf; |
1664 | int len; |
1665 | |
1666 | /* don't allow partal reads */ |
1667 | if (*ppos != 0) |
1668 | return 0; |
1669 | if (count < buf_size) |
1670 | return -ENOSPC; |
1671 | |
1672 | buf = kzalloc(size: buf_size, GFP_KERNEL); |
1673 | if (!buf) |
1674 | return -ENOSPC; |
1675 | |
1676 | len = snprintf(buf, size: buf_size, fmt: "%s: %s\n" , |
1677 | pf->vsi[pf->lan_vsi]->netdev->name, |
1678 | i40e_dbg_netdev_ops_buf); |
1679 | |
1680 | bytes_not_copied = copy_to_user(to: buffer, from: buf, n: len); |
1681 | kfree(objp: buf); |
1682 | |
1683 | if (bytes_not_copied) |
1684 | return -EFAULT; |
1685 | |
1686 | *ppos = len; |
1687 | return len; |
1688 | } |
1689 | |
1690 | /** |
1691 | * i40e_dbg_netdev_ops_write - write into netdev_ops datum |
1692 | * @filp: the opened file |
1693 | * @buffer: where to find the user's data |
1694 | * @count: the length of the user's data |
1695 | * @ppos: file position offset |
1696 | **/ |
1697 | static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, |
1698 | const char __user *buffer, |
1699 | size_t count, loff_t *ppos) |
1700 | { |
1701 | struct i40e_pf *pf = filp->private_data; |
1702 | int bytes_not_copied; |
1703 | struct i40e_vsi *vsi; |
1704 | char *buf_tmp; |
1705 | int vsi_seid; |
1706 | int i, cnt; |
1707 | |
1708 | /* don't allow partial writes */ |
1709 | if (*ppos != 0) |
1710 | return 0; |
1711 | if (count >= sizeof(i40e_dbg_netdev_ops_buf)) |
1712 | return -ENOSPC; |
1713 | |
1714 | memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); |
1715 | bytes_not_copied = copy_from_user(to: i40e_dbg_netdev_ops_buf, |
1716 | from: buffer, n: count); |
1717 | if (bytes_not_copied) |
1718 | return -EFAULT; |
1719 | i40e_dbg_netdev_ops_buf[count] = '\0'; |
1720 | |
1721 | buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); |
1722 | if (buf_tmp) { |
1723 | *buf_tmp = '\0'; |
1724 | count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; |
1725 | } |
1726 | |
1727 | if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu" , 10) == 0) { |
1728 | int mtu; |
1729 | |
1730 | cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i" , |
1731 | &vsi_seid, &mtu); |
1732 | if (cnt != 2) { |
1733 | dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n" ); |
1734 | goto netdev_ops_write_done; |
1735 | } |
1736 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
1737 | if (!vsi) { |
1738 | dev_info(&pf->pdev->dev, |
1739 | "change_mtu: VSI %d not found\n" , vsi_seid); |
1740 | } else if (!vsi->netdev) { |
1741 | dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n" , |
1742 | vsi_seid); |
1743 | } else if (rtnl_trylock()) { |
1744 | vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, |
1745 | mtu); |
1746 | rtnl_unlock(); |
1747 | dev_info(&pf->pdev->dev, "change_mtu called\n" ); |
1748 | } else { |
1749 | dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n" ); |
1750 | } |
1751 | |
1752 | } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode" , 11) == 0) { |
1753 | cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i" , &vsi_seid); |
1754 | if (cnt != 1) { |
1755 | dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n" ); |
1756 | goto netdev_ops_write_done; |
1757 | } |
1758 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
1759 | if (!vsi) { |
1760 | dev_info(&pf->pdev->dev, |
1761 | "set_rx_mode: VSI %d not found\n" , vsi_seid); |
1762 | } else if (!vsi->netdev) { |
1763 | dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n" , |
1764 | vsi_seid); |
1765 | } else if (rtnl_trylock()) { |
1766 | vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); |
1767 | rtnl_unlock(); |
1768 | dev_info(&pf->pdev->dev, "set_rx_mode called\n" ); |
1769 | } else { |
1770 | dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n" ); |
1771 | } |
1772 | |
1773 | } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi" , 4) == 0) { |
1774 | cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i" , &vsi_seid); |
1775 | if (cnt != 1) { |
1776 | dev_info(&pf->pdev->dev, "napi <vsi_seid>\n" ); |
1777 | goto netdev_ops_write_done; |
1778 | } |
1779 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
1780 | if (!vsi) { |
1781 | dev_info(&pf->pdev->dev, "napi: VSI %d not found\n" , |
1782 | vsi_seid); |
1783 | } else if (!vsi->netdev) { |
1784 | dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n" , |
1785 | vsi_seid); |
1786 | } else { |
1787 | for (i = 0; i < vsi->num_q_vectors; i++) |
1788 | napi_schedule(n: &vsi->q_vectors[i]->napi); |
1789 | dev_info(&pf->pdev->dev, "napi called\n" ); |
1790 | } |
1791 | } else { |
1792 | dev_info(&pf->pdev->dev, "unknown command '%s'\n" , |
1793 | i40e_dbg_netdev_ops_buf); |
1794 | dev_info(&pf->pdev->dev, "available commands\n" ); |
1795 | dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n" ); |
1796 | dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n" ); |
1797 | dev_info(&pf->pdev->dev, " napi <vsi_seid>\n" ); |
1798 | } |
1799 | netdev_ops_write_done: |
1800 | return count; |
1801 | } |
1802 | |
1803 | static const struct file_operations i40e_dbg_netdev_ops_fops = { |
1804 | .owner = THIS_MODULE, |
1805 | .open = simple_open, |
1806 | .read = i40e_dbg_netdev_ops_read, |
1807 | .write = i40e_dbg_netdev_ops_write, |
1808 | }; |
1809 | |
1810 | /** |
1811 | * i40e_dbg_pf_init - setup the debugfs directory for the PF |
1812 | * @pf: the PF that is starting up |
1813 | **/ |
1814 | void i40e_dbg_pf_init(struct i40e_pf *pf) |
1815 | { |
1816 | const char *name = pci_name(pdev: pf->pdev); |
1817 | |
1818 | pf->i40e_dbg_pf = debugfs_create_dir(name, parent: i40e_dbg_root); |
1819 | |
1820 | debugfs_create_file(name: "command" , mode: 0600, parent: pf->i40e_dbg_pf, data: pf, |
1821 | fops: &i40e_dbg_command_fops); |
1822 | |
1823 | debugfs_create_file(name: "netdev_ops" , mode: 0600, parent: pf->i40e_dbg_pf, data: pf, |
1824 | fops: &i40e_dbg_netdev_ops_fops); |
1825 | } |
1826 | |
1827 | /** |
1828 | * i40e_dbg_pf_exit - clear out the PF's debugfs entries |
1829 | * @pf: the PF that is stopping |
1830 | **/ |
1831 | void i40e_dbg_pf_exit(struct i40e_pf *pf) |
1832 | { |
1833 | debugfs_remove_recursive(dentry: pf->i40e_dbg_pf); |
1834 | pf->i40e_dbg_pf = NULL; |
1835 | } |
1836 | |
1837 | /** |
1838 | * i40e_dbg_init - start up debugfs for the driver |
1839 | **/ |
1840 | void i40e_dbg_init(void) |
1841 | { |
1842 | i40e_dbg_root = debugfs_create_dir(name: i40e_driver_name, NULL); |
1843 | if (IS_ERR(ptr: i40e_dbg_root)) |
1844 | pr_info("init of debugfs failed\n" ); |
1845 | } |
1846 | |
1847 | /** |
1848 | * i40e_dbg_exit - clean out the driver's debugfs entries |
1849 | **/ |
1850 | void i40e_dbg_exit(void) |
1851 | { |
1852 | debugfs_remove_recursive(dentry: i40e_dbg_root); |
1853 | i40e_dbg_root = NULL; |
1854 | } |
1855 | |
1856 | #endif /* CONFIG_DEBUG_FS */ |
1857 | |