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 | if (seid < 0) { |
28 | dev_info(&pf->pdev->dev, "%d: bad seid\n" , seid); |
29 | |
30 | return NULL; |
31 | } |
32 | |
33 | return i40e_pf_get_vsi_by_seid(pf, seid); |
34 | } |
35 | |
36 | /************************************************************** |
37 | * command |
38 | * The command entry in debugfs is for giving the driver commands |
39 | * to be executed - these may be for changing the internal switch |
40 | * setup, adding or removing filters, or other things. Many of |
41 | * these will be useful for some forms of unit testing. |
42 | **************************************************************/ |
43 | static char i40e_dbg_command_buf[256] = "" ; |
44 | |
45 | /** |
46 | * i40e_dbg_command_read - read for command datum |
47 | * @filp: the opened file |
48 | * @buffer: where to write the data for the user to read |
49 | * @count: the size of the user's buffer |
50 | * @ppos: file position offset |
51 | **/ |
52 | static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, |
53 | size_t count, loff_t *ppos) |
54 | { |
55 | struct i40e_pf *pf = filp->private_data; |
56 | int bytes_not_copied; |
57 | int buf_size = 256; |
58 | char *buf; |
59 | int len; |
60 | |
61 | /* don't allow partial reads */ |
62 | if (*ppos != 0) |
63 | return 0; |
64 | if (count < buf_size) |
65 | return -ENOSPC; |
66 | |
67 | buf = kzalloc(size: buf_size, GFP_KERNEL); |
68 | if (!buf) |
69 | return -ENOSPC; |
70 | |
71 | len = snprintf(buf, size: buf_size, fmt: "%s: %s\n" , |
72 | pf->vsi[pf->lan_vsi]->netdev->name, |
73 | i40e_dbg_command_buf); |
74 | |
75 | bytes_not_copied = copy_to_user(to: buffer, from: buf, n: len); |
76 | kfree(objp: buf); |
77 | |
78 | if (bytes_not_copied) |
79 | return -EFAULT; |
80 | |
81 | *ppos = len; |
82 | return len; |
83 | } |
84 | |
85 | static char *i40e_filter_state_string[] = { |
86 | "INVALID" , |
87 | "NEW" , |
88 | "ACTIVE" , |
89 | "FAILED" , |
90 | "REMOVE" , |
91 | }; |
92 | |
93 | /** |
94 | * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum |
95 | * @pf: the i40e_pf created in command write |
96 | * @seid: the seid the user put in |
97 | **/ |
98 | static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) |
99 | { |
100 | struct rtnl_link_stats64 *nstat; |
101 | struct i40e_mac_filter *f; |
102 | struct i40e_vsi *vsi; |
103 | int i, bkt; |
104 | |
105 | vsi = i40e_dbg_find_vsi(pf, seid); |
106 | if (!vsi) { |
107 | dev_info(&pf->pdev->dev, |
108 | "dump %d: seid not found\n" , seid); |
109 | return; |
110 | } |
111 | dev_info(&pf->pdev->dev, "vsi seid %d\n" , seid); |
112 | if (vsi->netdev) { |
113 | struct net_device *nd = vsi->netdev; |
114 | |
115 | dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n" , |
116 | nd->name, nd->state, nd->flags); |
117 | dev_info(&pf->pdev->dev, " features = 0x%08lx\n" , |
118 | (unsigned long int)nd->features); |
119 | dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n" , |
120 | (unsigned long int)nd->hw_features); |
121 | dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n" , |
122 | (unsigned long int)nd->vlan_features); |
123 | } |
124 | dev_info(&pf->pdev->dev, |
125 | " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n" , |
126 | vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags); |
127 | for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++) |
128 | dev_info(&pf->pdev->dev, |
129 | " state[%d] = %08lx\n" , |
130 | i, vsi->state[i]); |
131 | if (vsi == pf->vsi[pf->lan_vsi]) |
132 | dev_info(&pf->pdev->dev, " MAC address: %pM Port MAC: %pM\n" , |
133 | pf->hw.mac.addr, |
134 | pf->hw.mac.port_addr); |
135 | hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { |
136 | dev_info(&pf->pdev->dev, |
137 | " mac_filter_hash: %pM vid=%d, state %s\n" , |
138 | f->macaddr, f->vlan, |
139 | i40e_filter_state_string[f->state]); |
140 | } |
141 | dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n" , |
142 | vsi->active_filters, vsi->promisc_threshold, |
143 | (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ? |
144 | "ON" : "OFF" )); |
145 | nstat = i40e_get_vsi_stats_struct(vsi); |
146 | dev_info(&pf->pdev->dev, |
147 | " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n" , |
148 | (unsigned long int)nstat->rx_packets, |
149 | (unsigned long int)nstat->rx_bytes, |
150 | (unsigned long int)nstat->rx_errors, |
151 | (unsigned long int)nstat->rx_dropped); |
152 | dev_info(&pf->pdev->dev, |
153 | " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n" , |
154 | (unsigned long int)nstat->tx_packets, |
155 | (unsigned long int)nstat->tx_bytes, |
156 | (unsigned long int)nstat->tx_errors, |
157 | (unsigned long int)nstat->tx_dropped); |
158 | dev_info(&pf->pdev->dev, |
159 | " net_stats: multicast = %lu, collisions = %lu\n" , |
160 | (unsigned long int)nstat->multicast, |
161 | (unsigned long int)nstat->collisions); |
162 | dev_info(&pf->pdev->dev, |
163 | " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n" , |
164 | (unsigned long int)nstat->rx_length_errors, |
165 | (unsigned long int)nstat->rx_over_errors, |
166 | (unsigned long int)nstat->rx_crc_errors); |
167 | dev_info(&pf->pdev->dev, |
168 | " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n" , |
169 | (unsigned long int)nstat->rx_frame_errors, |
170 | (unsigned long int)nstat->rx_fifo_errors, |
171 | (unsigned long int)nstat->rx_missed_errors); |
172 | dev_info(&pf->pdev->dev, |
173 | " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n" , |
174 | (unsigned long int)nstat->tx_aborted_errors, |
175 | (unsigned long int)nstat->tx_carrier_errors, |
176 | (unsigned long int)nstat->tx_fifo_errors); |
177 | dev_info(&pf->pdev->dev, |
178 | " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n" , |
179 | (unsigned long int)nstat->tx_heartbeat_errors, |
180 | (unsigned long int)nstat->tx_window_errors); |
181 | dev_info(&pf->pdev->dev, |
182 | " net_stats: rx_compressed = %lu, tx_compressed = %lu\n" , |
183 | (unsigned long int)nstat->rx_compressed, |
184 | (unsigned long int)nstat->tx_compressed); |
185 | dev_info(&pf->pdev->dev, |
186 | " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n" , |
187 | (unsigned long int)vsi->net_stats_offsets.rx_packets, |
188 | (unsigned long int)vsi->net_stats_offsets.rx_bytes, |
189 | (unsigned long int)vsi->net_stats_offsets.rx_errors, |
190 | (unsigned long int)vsi->net_stats_offsets.rx_dropped); |
191 | dev_info(&pf->pdev->dev, |
192 | " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n" , |
193 | (unsigned long int)vsi->net_stats_offsets.tx_packets, |
194 | (unsigned long int)vsi->net_stats_offsets.tx_bytes, |
195 | (unsigned long int)vsi->net_stats_offsets.tx_errors, |
196 | (unsigned long int)vsi->net_stats_offsets.tx_dropped); |
197 | dev_info(&pf->pdev->dev, |
198 | " net_stats_offsets: multicast = %lu, collisions = %lu\n" , |
199 | (unsigned long int)vsi->net_stats_offsets.multicast, |
200 | (unsigned long int)vsi->net_stats_offsets.collisions); |
201 | dev_info(&pf->pdev->dev, |
202 | " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n" , |
203 | (unsigned long int)vsi->net_stats_offsets.rx_length_errors, |
204 | (unsigned long int)vsi->net_stats_offsets.rx_over_errors, |
205 | (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); |
206 | dev_info(&pf->pdev->dev, |
207 | " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n" , |
208 | (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, |
209 | (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, |
210 | (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); |
211 | dev_info(&pf->pdev->dev, |
212 | " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n" , |
213 | (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, |
214 | (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, |
215 | (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); |
216 | dev_info(&pf->pdev->dev, |
217 | " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n" , |
218 | (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, |
219 | (unsigned long int)vsi->net_stats_offsets.tx_window_errors); |
220 | dev_info(&pf->pdev->dev, |
221 | " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n" , |
222 | (unsigned long int)vsi->net_stats_offsets.rx_compressed, |
223 | (unsigned long int)vsi->net_stats_offsets.tx_compressed); |
224 | dev_info(&pf->pdev->dev, |
225 | " tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n" , |
226 | vsi->tx_restart, vsi->tx_busy, |
227 | vsi->rx_buf_failed, vsi->rx_page_failed); |
228 | rcu_read_lock(); |
229 | for (i = 0; i < vsi->num_queue_pairs; i++) { |
230 | struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]); |
231 | |
232 | if (!rx_ring) |
233 | continue; |
234 | |
235 | dev_info(&pf->pdev->dev, |
236 | " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n" , |
237 | i, *rx_ring->state, |
238 | rx_ring->queue_index, |
239 | rx_ring->reg_idx); |
240 | dev_info(&pf->pdev->dev, |
241 | " rx_rings[%i]: rx_buf_len = %d\n" , |
242 | i, rx_ring->rx_buf_len); |
243 | dev_info(&pf->pdev->dev, |
244 | " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n" , |
245 | i, |
246 | rx_ring->next_to_use, |
247 | rx_ring->next_to_clean, |
248 | rx_ring->ring_active); |
249 | dev_info(&pf->pdev->dev, |
250 | " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n" , |
251 | i, rx_ring->stats.packets, |
252 | rx_ring->stats.bytes, |
253 | rx_ring->rx_stats.non_eop_descs); |
254 | dev_info(&pf->pdev->dev, |
255 | " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n" , |
256 | i, |
257 | rx_ring->rx_stats.alloc_page_failed, |
258 | rx_ring->rx_stats.alloc_buff_failed); |
259 | dev_info(&pf->pdev->dev, |
260 | " rx_rings[%i]: rx_stats: realloc_count = 0, page_reuse_count = %lld\n" , |
261 | i, |
262 | rx_ring->rx_stats.page_reuse_count); |
263 | dev_info(&pf->pdev->dev, |
264 | " rx_rings[%i]: size = %i\n" , |
265 | i, rx_ring->size); |
266 | dev_info(&pf->pdev->dev, |
267 | " rx_rings[%i]: itr_setting = %d (%s)\n" , |
268 | i, rx_ring->itr_setting, |
269 | ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed" ); |
270 | } |
271 | for (i = 0; i < vsi->num_queue_pairs; i++) { |
272 | struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); |
273 | |
274 | if (!tx_ring) |
275 | continue; |
276 | |
277 | dev_info(&pf->pdev->dev, |
278 | " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n" , |
279 | i, *tx_ring->state, |
280 | tx_ring->queue_index, |
281 | tx_ring->reg_idx); |
282 | dev_info(&pf->pdev->dev, |
283 | " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n" , |
284 | i, |
285 | tx_ring->next_to_use, |
286 | tx_ring->next_to_clean, |
287 | tx_ring->ring_active); |
288 | dev_info(&pf->pdev->dev, |
289 | " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n" , |
290 | i, tx_ring->stats.packets, |
291 | tx_ring->stats.bytes, |
292 | tx_ring->tx_stats.restart_queue); |
293 | dev_info(&pf->pdev->dev, |
294 | " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld, tx_stopped = %lld\n" , |
295 | i, |
296 | tx_ring->tx_stats.tx_busy, |
297 | tx_ring->tx_stats.tx_done_old, |
298 | tx_ring->tx_stats.tx_stopped); |
299 | dev_info(&pf->pdev->dev, |
300 | " tx_rings[%i]: size = %i\n" , |
301 | i, tx_ring->size); |
302 | dev_info(&pf->pdev->dev, |
303 | " tx_rings[%i]: DCB tc = %d\n" , |
304 | i, tx_ring->dcb_tc); |
305 | dev_info(&pf->pdev->dev, |
306 | " tx_rings[%i]: itr_setting = %d (%s)\n" , |
307 | i, tx_ring->itr_setting, |
308 | ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed" ); |
309 | } |
310 | if (i40e_enabled_xdp_vsi(vsi)) { |
311 | for (i = 0; i < vsi->num_queue_pairs; i++) { |
312 | struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]); |
313 | |
314 | if (!xdp_ring) |
315 | continue; |
316 | |
317 | dev_info(&pf->pdev->dev, |
318 | " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n" , |
319 | i, *xdp_ring->state, |
320 | xdp_ring->queue_index, |
321 | xdp_ring->reg_idx); |
322 | dev_info(&pf->pdev->dev, |
323 | " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n" , |
324 | i, |
325 | xdp_ring->next_to_use, |
326 | xdp_ring->next_to_clean, |
327 | xdp_ring->ring_active); |
328 | dev_info(&pf->pdev->dev, |
329 | " xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n" , |
330 | i, xdp_ring->stats.packets, |
331 | xdp_ring->stats.bytes, |
332 | xdp_ring->tx_stats.restart_queue); |
333 | dev_info(&pf->pdev->dev, |
334 | " xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n" , |
335 | i, |
336 | xdp_ring->tx_stats.tx_busy, |
337 | xdp_ring->tx_stats.tx_done_old); |
338 | dev_info(&pf->pdev->dev, |
339 | " xdp_rings[%i]: size = %i\n" , |
340 | i, xdp_ring->size); |
341 | dev_info(&pf->pdev->dev, |
342 | " xdp_rings[%i]: DCB tc = %d\n" , |
343 | i, xdp_ring->dcb_tc); |
344 | dev_info(&pf->pdev->dev, |
345 | " xdp_rings[%i]: itr_setting = %d (%s)\n" , |
346 | i, xdp_ring->itr_setting, |
347 | ITR_IS_DYNAMIC(xdp_ring->itr_setting) ? |
348 | "dynamic" : "fixed" ); |
349 | } |
350 | } |
351 | rcu_read_unlock(); |
352 | dev_info(&pf->pdev->dev, |
353 | " work_limit = %d\n" , |
354 | vsi->work_limit); |
355 | dev_info(&pf->pdev->dev, |
356 | " max_frame = %d, rx_buf_len = %d dtype = %d\n" , |
357 | vsi->max_frame, vsi->rx_buf_len, 0); |
358 | dev_info(&pf->pdev->dev, |
359 | " num_q_vectors = %i, base_vector = %i\n" , |
360 | vsi->num_q_vectors, vsi->base_vector); |
361 | dev_info(&pf->pdev->dev, |
362 | " seid = %d, id = %d, uplink_seid = %d\n" , |
363 | vsi->seid, vsi->id, vsi->uplink_seid); |
364 | dev_info(&pf->pdev->dev, |
365 | " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n" , |
366 | vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc, |
367 | vsi->num_rx_desc); |
368 | dev_info(&pf->pdev->dev, " type = %i\n" , vsi->type); |
369 | if (vsi->type == I40E_VSI_SRIOV) |
370 | dev_info(&pf->pdev->dev, " VF ID = %i\n" , vsi->vf_id); |
371 | dev_info(&pf->pdev->dev, |
372 | " info: valid_sections = 0x%04x, switch_id = 0x%04x\n" , |
373 | vsi->info.valid_sections, vsi->info.switch_id); |
374 | dev_info(&pf->pdev->dev, |
375 | " info: sw_reserved[] = 0x%02x 0x%02x\n" , |
376 | vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); |
377 | dev_info(&pf->pdev->dev, |
378 | " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n" , |
379 | vsi->info.sec_flags, vsi->info.sec_reserved); |
380 | dev_info(&pf->pdev->dev, |
381 | " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n" , |
382 | vsi->info.pvid, vsi->info.fcoe_pvid, |
383 | vsi->info.port_vlan_flags); |
384 | dev_info(&pf->pdev->dev, |
385 | " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n" , |
386 | vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], |
387 | vsi->info.pvlan_reserved[2]); |
388 | dev_info(&pf->pdev->dev, |
389 | " info: ingress_table = 0x%08x, egress_table = 0x%08x\n" , |
390 | vsi->info.ingress_table, vsi->info.egress_table); |
391 | dev_info(&pf->pdev->dev, |
392 | " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n" , |
393 | vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, |
394 | vsi->info.cas_pv_reserved); |
395 | dev_info(&pf->pdev->dev, |
396 | " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n" , |
397 | vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], |
398 | vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], |
399 | vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], |
400 | vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); |
401 | dev_info(&pf->pdev->dev, |
402 | " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n" , |
403 | vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], |
404 | vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], |
405 | vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], |
406 | vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); |
407 | dev_info(&pf->pdev->dev, |
408 | " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n" , |
409 | vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], |
410 | vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], |
411 | vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], |
412 | vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); |
413 | dev_info(&pf->pdev->dev, |
414 | " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n" , |
415 | vsi->info.queueing_opt_flags, |
416 | vsi->info.queueing_opt_reserved[0], |
417 | vsi->info.queueing_opt_reserved[1], |
418 | vsi->info.queueing_opt_reserved[2]); |
419 | dev_info(&pf->pdev->dev, |
420 | " info: up_enable_bits = 0x%02x\n" , |
421 | vsi->info.up_enable_bits); |
422 | dev_info(&pf->pdev->dev, |
423 | " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n" , |
424 | vsi->info.sched_reserved, vsi->info.outer_up_table); |
425 | dev_info(&pf->pdev->dev, |
426 | " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n" , |
427 | vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], |
428 | vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], |
429 | vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], |
430 | vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); |
431 | dev_info(&pf->pdev->dev, |
432 | " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n" , |
433 | vsi->info.qs_handle[0], vsi->info.qs_handle[1], |
434 | vsi->info.qs_handle[2], vsi->info.qs_handle[3], |
435 | vsi->info.qs_handle[4], vsi->info.qs_handle[5], |
436 | vsi->info.qs_handle[6], vsi->info.qs_handle[7]); |
437 | dev_info(&pf->pdev->dev, |
438 | " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n" , |
439 | vsi->info.stat_counter_idx, vsi->info.sched_id); |
440 | dev_info(&pf->pdev->dev, |
441 | " info: resp_reserved[] = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n" , |
442 | vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], |
443 | vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], |
444 | vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], |
445 | vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], |
446 | vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], |
447 | vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); |
448 | dev_info(&pf->pdev->dev, " idx = %d\n" , vsi->idx); |
449 | dev_info(&pf->pdev->dev, |
450 | " tc_config: numtc = %d, enabled_tc = 0x%x\n" , |
451 | vsi->tc_config.numtc, vsi->tc_config.enabled_tc); |
452 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
453 | dev_info(&pf->pdev->dev, |
454 | " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n" , |
455 | i, vsi->tc_config.tc_info[i].qoffset, |
456 | vsi->tc_config.tc_info[i].qcount, |
457 | vsi->tc_config.tc_info[i].netdev_tc); |
458 | } |
459 | dev_info(&pf->pdev->dev, |
460 | " bw: bw_limit = %d, bw_max_quanta = %d\n" , |
461 | vsi->bw_limit, vsi->bw_max_quanta); |
462 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
463 | dev_info(&pf->pdev->dev, |
464 | " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n" , |
465 | i, vsi->bw_ets_share_credits[i], |
466 | vsi->bw_ets_limit_credits[i], |
467 | vsi->bw_ets_max_quanta[i]); |
468 | } |
469 | } |
470 | |
471 | /** |
472 | * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum |
473 | * @pf: the i40e_pf created in command write |
474 | **/ |
475 | static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) |
476 | { |
477 | struct i40e_adminq_ring *ring; |
478 | struct i40e_hw *hw = &pf->hw; |
479 | char hdr[32]; |
480 | int i; |
481 | |
482 | snprintf(buf: hdr, size: sizeof(hdr), fmt: "%s %s: " , |
483 | dev_driver_string(dev: &pf->pdev->dev), |
484 | dev_name(dev: &pf->pdev->dev)); |
485 | |
486 | /* first the send (command) ring, then the receive (event) ring */ |
487 | dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n" ); |
488 | ring = &(hw->aq.asq); |
489 | for (i = 0; i < ring->count; i++) { |
490 | struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); |
491 | |
492 | dev_info(&pf->pdev->dev, |
493 | " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n" , |
494 | i, d->flags, d->opcode, d->datalen, d->retval, |
495 | d->cookie_high, d->cookie_low); |
496 | print_hex_dump(KERN_INFO, prefix_str: hdr, prefix_type: DUMP_PREFIX_NONE, |
497 | rowsize: 16, groupsize: 1, buf: d->params.raw, len: 16, ascii: 0); |
498 | } |
499 | |
500 | dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n" ); |
501 | ring = &(hw->aq.arq); |
502 | for (i = 0; i < ring->count; i++) { |
503 | struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); |
504 | |
505 | dev_info(&pf->pdev->dev, |
506 | " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n" , |
507 | i, d->flags, d->opcode, d->datalen, d->retval, |
508 | d->cookie_high, d->cookie_low); |
509 | print_hex_dump(KERN_INFO, prefix_str: hdr, prefix_type: DUMP_PREFIX_NONE, |
510 | rowsize: 16, groupsize: 1, buf: d->params.raw, len: 16, ascii: 0); |
511 | } |
512 | } |
513 | |
514 | /** |
515 | * i40e_dbg_dump_desc - handles dump desc write into command datum |
516 | * @cnt: number of arguments that the user supplied |
517 | * @vsi_seid: vsi id entered by user |
518 | * @ring_id: ring id entered by user |
519 | * @desc_n: descriptor number entered by user |
520 | * @pf: the i40e_pf created in command write |
521 | * @type: enum describing whether ring is RX, TX or XDP |
522 | **/ |
523 | static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, |
524 | struct i40e_pf *pf, enum ring_type type) |
525 | { |
526 | bool is_rx_ring = type == RING_TYPE_RX; |
527 | struct i40e_tx_desc *txd; |
528 | union i40e_rx_desc *rxd; |
529 | struct i40e_ring *ring; |
530 | struct i40e_vsi *vsi; |
531 | int i; |
532 | |
533 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
534 | if (!vsi) { |
535 | dev_info(&pf->pdev->dev, "vsi %d not found\n" , vsi_seid); |
536 | return; |
537 | } |
538 | if (vsi->type != I40E_VSI_MAIN && |
539 | vsi->type != I40E_VSI_FDIR && |
540 | vsi->type != I40E_VSI_VMDQ2) { |
541 | dev_info(&pf->pdev->dev, |
542 | "vsi %d type %d descriptor rings not available\n" , |
543 | vsi_seid, vsi->type); |
544 | return; |
545 | } |
546 | if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) { |
547 | dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n" , vsi_seid); |
548 | return; |
549 | } |
550 | if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { |
551 | dev_info(&pf->pdev->dev, "ring %d not found\n" , ring_id); |
552 | return; |
553 | } |
554 | if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { |
555 | dev_info(&pf->pdev->dev, |
556 | "descriptor rings have not been allocated for vsi %d\n" , |
557 | vsi_seid); |
558 | return; |
559 | } |
560 | |
561 | switch (type) { |
562 | case RING_TYPE_RX: |
563 | ring = kmemdup(p: vsi->rx_rings[ring_id], size: sizeof(*ring), GFP_KERNEL); |
564 | break; |
565 | case RING_TYPE_TX: |
566 | ring = kmemdup(p: vsi->tx_rings[ring_id], size: sizeof(*ring), GFP_KERNEL); |
567 | break; |
568 | case RING_TYPE_XDP: |
569 | ring = kmemdup(p: vsi->xdp_rings[ring_id], size: sizeof(*ring), GFP_KERNEL); |
570 | break; |
571 | default: |
572 | ring = NULL; |
573 | break; |
574 | } |
575 | if (!ring) |
576 | return; |
577 | |
578 | if (cnt == 2) { |
579 | switch (type) { |
580 | case RING_TYPE_RX: |
581 | dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n" , vsi_seid, ring_id); |
582 | break; |
583 | case RING_TYPE_TX: |
584 | dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n" , vsi_seid, ring_id); |
585 | break; |
586 | case RING_TYPE_XDP: |
587 | dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n" , vsi_seid, ring_id); |
588 | break; |
589 | } |
590 | for (i = 0; i < ring->count; i++) { |
591 | if (!is_rx_ring) { |
592 | txd = I40E_TX_DESC(ring, i); |
593 | dev_info(&pf->pdev->dev, |
594 | " d[%03x] = 0x%016llx 0x%016llx\n" , |
595 | i, txd->buffer_addr, |
596 | txd->cmd_type_offset_bsz); |
597 | } else { |
598 | rxd = I40E_RX_DESC(ring, i); |
599 | dev_info(&pf->pdev->dev, |
600 | " d[%03x] = 0x%016llx 0x%016llx\n" , |
601 | i, rxd->read.pkt_addr, |
602 | rxd->read.hdr_addr); |
603 | } |
604 | } |
605 | } else if (cnt == 3) { |
606 | if (desc_n >= ring->count || desc_n < 0) { |
607 | dev_info(&pf->pdev->dev, |
608 | "descriptor %d not found\n" , desc_n); |
609 | goto out; |
610 | } |
611 | if (!is_rx_ring) { |
612 | txd = I40E_TX_DESC(ring, desc_n); |
613 | dev_info(&pf->pdev->dev, |
614 | "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n" , |
615 | vsi_seid, ring_id, desc_n, |
616 | txd->buffer_addr, txd->cmd_type_offset_bsz); |
617 | } else { |
618 | rxd = I40E_RX_DESC(ring, desc_n); |
619 | dev_info(&pf->pdev->dev, |
620 | "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n" , |
621 | vsi_seid, ring_id, desc_n, |
622 | rxd->read.pkt_addr, rxd->read.hdr_addr); |
623 | } |
624 | } else { |
625 | dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n" ); |
626 | } |
627 | |
628 | out: |
629 | kfree(objp: ring); |
630 | } |
631 | |
632 | /** |
633 | * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum |
634 | * @pf: the i40e_pf created in command write |
635 | **/ |
636 | static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) |
637 | { |
638 | struct i40e_vsi *vsi; |
639 | int i; |
640 | |
641 | i40e_pf_for_each_vsi(pf, i, vsi) |
642 | dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n" , i, vsi->seid); |
643 | } |
644 | |
645 | /** |
646 | * i40e_dbg_dump_eth_stats - handles dump stats write into command datum |
647 | * @pf: the i40e_pf created in command write |
648 | * @estats: the eth stats structure to be dumped |
649 | **/ |
650 | static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, |
651 | struct i40e_eth_stats *estats) |
652 | { |
653 | dev_info(&pf->pdev->dev, " ethstats:\n" ); |
654 | dev_info(&pf->pdev->dev, |
655 | " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n" , |
656 | estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); |
657 | dev_info(&pf->pdev->dev, |
658 | " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n" , |
659 | estats->rx_broadcast, estats->rx_discards); |
660 | dev_info(&pf->pdev->dev, |
661 | " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n" , |
662 | estats->rx_unknown_protocol, estats->tx_bytes); |
663 | dev_info(&pf->pdev->dev, |
664 | " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n" , |
665 | estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); |
666 | dev_info(&pf->pdev->dev, |
667 | " tx_discards = \t%lld \ttx_errors = \t\t%lld\n" , |
668 | estats->tx_discards, estats->tx_errors); |
669 | } |
670 | |
671 | /** |
672 | * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb |
673 | * @pf: the i40e_pf created in command write |
674 | * @seid: the seid the user put in |
675 | **/ |
676 | static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) |
677 | { |
678 | struct i40e_veb *veb; |
679 | |
680 | veb = i40e_pf_get_veb_by_seid(pf, seid); |
681 | if (!veb) { |
682 | dev_info(&pf->pdev->dev, "can't find veb %d\n" , seid); |
683 | return; |
684 | } |
685 | dev_info(&pf->pdev->dev, |
686 | "veb idx=%d stats_ic=%d seid=%d uplink=%d mode=%s\n" , |
687 | veb->idx, veb->stats_idx, veb->seid, veb->uplink_seid, |
688 | veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB" ); |
689 | i40e_dbg_dump_eth_stats(pf, estats: &veb->stats); |
690 | } |
691 | |
692 | /** |
693 | * i40e_dbg_dump_veb_all - dumps all known veb's stats |
694 | * @pf: the i40e_pf created in command write |
695 | **/ |
696 | static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) |
697 | { |
698 | struct i40e_veb *veb; |
699 | int i; |
700 | |
701 | i40e_pf_for_each_veb(pf, i, veb) |
702 | i40e_dbg_dump_veb_seid(pf, seid: veb->seid); |
703 | } |
704 | |
705 | /** |
706 | * i40e_dbg_dump_vf - dump VF info |
707 | * @pf: the i40e_pf created in command write |
708 | * @vf_id: the vf_id from the user |
709 | **/ |
710 | static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) |
711 | { |
712 | struct i40e_vf *vf; |
713 | struct i40e_vsi *vsi; |
714 | |
715 | if (!pf->num_alloc_vfs) { |
716 | dev_info(&pf->pdev->dev, "no VFs allocated\n" ); |
717 | } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { |
718 | vf = &pf->vf[vf_id]; |
719 | vsi = pf->vsi[vf->lan_vsi_idx]; |
720 | dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n" , |
721 | vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); |
722 | dev_info(&pf->pdev->dev, " num MDD=%lld\n" , |
723 | vf->num_mdd_events); |
724 | } else { |
725 | dev_info(&pf->pdev->dev, "invalid VF id %d\n" , vf_id); |
726 | } |
727 | } |
728 | |
729 | /** |
730 | * i40e_dbg_dump_vf_all - dump VF info for all VFs |
731 | * @pf: the i40e_pf created in command write |
732 | **/ |
733 | static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) |
734 | { |
735 | int i; |
736 | |
737 | if (!pf->num_alloc_vfs) |
738 | dev_info(&pf->pdev->dev, "no VFs enabled!\n" ); |
739 | else |
740 | for (i = 0; i < pf->num_alloc_vfs; i++) |
741 | i40e_dbg_dump_vf(pf, vf_id: i); |
742 | } |
743 | |
744 | /** |
745 | * i40e_dbg_command_write - write into command datum |
746 | * @filp: the opened file |
747 | * @buffer: where to find the user's data |
748 | * @count: the length of the user's data |
749 | * @ppos: file position offset |
750 | **/ |
751 | static ssize_t i40e_dbg_command_write(struct file *filp, |
752 | const char __user *buffer, |
753 | size_t count, loff_t *ppos) |
754 | { |
755 | struct i40e_pf *pf = filp->private_data; |
756 | char *cmd_buf, *cmd_buf_tmp; |
757 | int bytes_not_copied; |
758 | struct i40e_vsi *vsi; |
759 | int vsi_seid; |
760 | int veb_seid; |
761 | int vf_id; |
762 | int cnt; |
763 | |
764 | /* don't allow partial writes */ |
765 | if (*ppos != 0) |
766 | return 0; |
767 | |
768 | cmd_buf = kzalloc(size: count + 1, GFP_KERNEL); |
769 | if (!cmd_buf) |
770 | return count; |
771 | bytes_not_copied = copy_from_user(to: cmd_buf, from: buffer, n: count); |
772 | if (bytes_not_copied) { |
773 | kfree(objp: cmd_buf); |
774 | return -EFAULT; |
775 | } |
776 | cmd_buf[count] = '\0'; |
777 | |
778 | cmd_buf_tmp = strchr(cmd_buf, '\n'); |
779 | if (cmd_buf_tmp) { |
780 | *cmd_buf_tmp = '\0'; |
781 | count = cmd_buf_tmp - cmd_buf + 1; |
782 | } |
783 | |
784 | if (strncmp(cmd_buf, "add vsi" , 7) == 0) { |
785 | vsi_seid = -1; |
786 | cnt = sscanf(&cmd_buf[7], "%i" , &vsi_seid); |
787 | if (cnt == 0) { |
788 | /* default to PF VSI */ |
789 | vsi_seid = pf->vsi[pf->lan_vsi]->seid; |
790 | } else if (vsi_seid < 0) { |
791 | dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n" , |
792 | vsi_seid); |
793 | goto command_write_done; |
794 | } |
795 | |
796 | /* By default we are in VEPA mode, if this is the first VF/VMDq |
797 | * VSI to be added switch to VEB mode. |
798 | */ |
799 | if (!test_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags)) { |
800 | set_bit(nr: I40E_FLAG_VEB_MODE_ENA, addr: pf->flags); |
801 | i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); |
802 | } |
803 | |
804 | vsi = i40e_vsi_setup(pf, type: I40E_VSI_VMDQ2, uplink: vsi_seid, param1: 0); |
805 | if (vsi) |
806 | dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n" , |
807 | vsi->seid, vsi->uplink_seid); |
808 | else |
809 | dev_info(&pf->pdev->dev, "'%s' failed\n" , cmd_buf); |
810 | |
811 | } else if (strncmp(cmd_buf, "del vsi" , 7) == 0) { |
812 | cnt = sscanf(&cmd_buf[7], "%i" , &vsi_seid); |
813 | if (cnt != 1) { |
814 | dev_info(&pf->pdev->dev, |
815 | "del vsi: bad command string, cnt=%d\n" , |
816 | cnt); |
817 | goto command_write_done; |
818 | } |
819 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
820 | if (!vsi) { |
821 | dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n" , |
822 | vsi_seid); |
823 | goto command_write_done; |
824 | } |
825 | |
826 | dev_info(&pf->pdev->dev, "deleting VSI %d\n" , vsi_seid); |
827 | i40e_vsi_release(vsi); |
828 | |
829 | } else if (strncmp(cmd_buf, "add relay" , 9) == 0) { |
830 | struct i40e_veb *veb; |
831 | u8 enabled_tc = 0x1; |
832 | int uplink_seid; |
833 | |
834 | cnt = sscanf(&cmd_buf[9], "%i %i" , &uplink_seid, &vsi_seid); |
835 | if (cnt == 0) { |
836 | uplink_seid = 0; |
837 | vsi_seid = 0; |
838 | } else if (cnt != 2) { |
839 | dev_info(&pf->pdev->dev, |
840 | "add relay: bad command string, cnt=%d\n" , |
841 | cnt); |
842 | goto command_write_done; |
843 | } else if (uplink_seid < 0) { |
844 | dev_info(&pf->pdev->dev, |
845 | "add relay %d: bad uplink seid\n" , |
846 | uplink_seid); |
847 | goto command_write_done; |
848 | } |
849 | |
850 | if (uplink_seid != 0 && uplink_seid != pf->mac_seid) { |
851 | dev_info(&pf->pdev->dev, |
852 | "add relay: relay uplink %d not found\n" , |
853 | uplink_seid); |
854 | goto command_write_done; |
855 | } else if (uplink_seid) { |
856 | vsi = i40e_pf_get_vsi_by_seid(pf, seid: vsi_seid); |
857 | if (!vsi) { |
858 | dev_info(&pf->pdev->dev, |
859 | "add relay: VSI %d not found\n" , |
860 | vsi_seid); |
861 | goto command_write_done; |
862 | } |
863 | enabled_tc = vsi->tc_config.enabled_tc; |
864 | } else if (vsi_seid) { |
865 | dev_info(&pf->pdev->dev, |
866 | "add relay: VSI must be 0 for floating relay\n" ); |
867 | goto command_write_done; |
868 | } |
869 | |
870 | veb = i40e_veb_setup(pf, flags: 0, uplink_seid, downlink_seid: vsi_seid, enabled_tc); |
871 | if (veb) |
872 | dev_info(&pf->pdev->dev, "added relay %d\n" , veb->seid); |
873 | else |
874 | dev_info(&pf->pdev->dev, "add relay failed\n" ); |
875 | |
876 | } else if (strncmp(cmd_buf, "del relay" , 9) == 0) { |
877 | struct i40e_veb *veb; |
878 | int i; |
879 | |
880 | cnt = sscanf(&cmd_buf[9], "%i" , &veb_seid); |
881 | if (cnt != 1) { |
882 | dev_info(&pf->pdev->dev, |
883 | "del relay: bad command string, cnt=%d\n" , |
884 | cnt); |
885 | goto command_write_done; |
886 | } else if (veb_seid < 0) { |
887 | dev_info(&pf->pdev->dev, |
888 | "del relay %d: bad relay seid\n" , veb_seid); |
889 | goto command_write_done; |
890 | } |
891 | |
892 | /* find the veb */ |
893 | i40e_pf_for_each_veb(pf, i, veb) |
894 | if (veb->seid == veb_seid) |
895 | break; |
896 | |
897 | if (i >= I40E_MAX_VEB) { |
898 | dev_info(&pf->pdev->dev, |
899 | "del relay: relay %d not found\n" , veb_seid); |
900 | goto command_write_done; |
901 | } |
902 | |
903 | dev_info(&pf->pdev->dev, "deleting relay %d\n" , veb_seid); |
904 | i40e_veb_release(veb); |
905 | } else if (strncmp(cmd_buf, "add pvid" , 8) == 0) { |
906 | unsigned int v; |
907 | int ret; |
908 | u16 vid; |
909 | |
910 | cnt = sscanf(&cmd_buf[8], "%i %u" , &vsi_seid, &v); |
911 | if (cnt != 2) { |
912 | dev_info(&pf->pdev->dev, |
913 | "add pvid: bad command string, cnt=%d\n" , cnt); |
914 | goto command_write_done; |
915 | } |
916 | |
917 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
918 | if (!vsi) { |
919 | dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n" , |
920 | vsi_seid); |
921 | goto command_write_done; |
922 | } |
923 | |
924 | vid = v; |
925 | ret = i40e_vsi_add_pvid(vsi, vid); |
926 | if (!ret) |
927 | dev_info(&pf->pdev->dev, |
928 | "add pvid: %d added to VSI %d\n" , |
929 | vid, vsi_seid); |
930 | else |
931 | dev_info(&pf->pdev->dev, |
932 | "add pvid: %d to VSI %d failed, ret=%d\n" , |
933 | vid, vsi_seid, ret); |
934 | |
935 | } else if (strncmp(cmd_buf, "del pvid" , 8) == 0) { |
936 | |
937 | cnt = sscanf(&cmd_buf[8], "%i" , &vsi_seid); |
938 | if (cnt != 1) { |
939 | dev_info(&pf->pdev->dev, |
940 | "del pvid: bad command string, cnt=%d\n" , |
941 | cnt); |
942 | goto command_write_done; |
943 | } |
944 | |
945 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
946 | if (!vsi) { |
947 | dev_info(&pf->pdev->dev, |
948 | "del pvid: VSI %d not found\n" , vsi_seid); |
949 | goto command_write_done; |
950 | } |
951 | |
952 | i40e_vsi_remove_pvid(vsi); |
953 | dev_info(&pf->pdev->dev, |
954 | "del pvid: removed from VSI %d\n" , vsi_seid); |
955 | |
956 | } else if (strncmp(cmd_buf, "dump" , 4) == 0) { |
957 | if (strncmp(&cmd_buf[5], "switch" , 6) == 0) { |
958 | i40e_fetch_switch_configuration(pf, printconfig: true); |
959 | } else if (strncmp(&cmd_buf[5], "vsi" , 3) == 0) { |
960 | cnt = sscanf(&cmd_buf[8], "%i" , &vsi_seid); |
961 | if (cnt > 0) |
962 | i40e_dbg_dump_vsi_seid(pf, seid: vsi_seid); |
963 | else |
964 | i40e_dbg_dump_vsi_no_seid(pf); |
965 | } else if (strncmp(&cmd_buf[5], "veb" , 3) == 0) { |
966 | cnt = sscanf(&cmd_buf[8], "%i" , &vsi_seid); |
967 | if (cnt > 0) |
968 | i40e_dbg_dump_veb_seid(pf, seid: vsi_seid); |
969 | else |
970 | i40e_dbg_dump_veb_all(pf); |
971 | } else if (strncmp(&cmd_buf[5], "vf" , 2) == 0) { |
972 | cnt = sscanf(&cmd_buf[7], "%i" , &vf_id); |
973 | if (cnt > 0) |
974 | i40e_dbg_dump_vf(pf, vf_id); |
975 | else |
976 | i40e_dbg_dump_vf_all(pf); |
977 | } else if (strncmp(&cmd_buf[5], "desc" , 4) == 0) { |
978 | int ring_id, desc_n; |
979 | if (strncmp(&cmd_buf[10], "rx" , 2) == 0) { |
980 | cnt = sscanf(&cmd_buf[12], "%i %i %i" , |
981 | &vsi_seid, &ring_id, &desc_n); |
982 | i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, |
983 | desc_n, pf, type: RING_TYPE_RX); |
984 | } else if (strncmp(&cmd_buf[10], "tx" , 2) |
985 | == 0) { |
986 | cnt = sscanf(&cmd_buf[12], "%i %i %i" , |
987 | &vsi_seid, &ring_id, &desc_n); |
988 | i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, |
989 | desc_n, pf, type: RING_TYPE_TX); |
990 | } else if (strncmp(&cmd_buf[10], "xdp" , 3) |
991 | == 0) { |
992 | cnt = sscanf(&cmd_buf[13], "%i %i %i" , |
993 | &vsi_seid, &ring_id, &desc_n); |
994 | i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, |
995 | desc_n, pf, type: RING_TYPE_XDP); |
996 | } else if (strncmp(&cmd_buf[10], "aq" , 2) == 0) { |
997 | i40e_dbg_dump_aq_desc(pf); |
998 | } else { |
999 | dev_info(&pf->pdev->dev, |
1000 | "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1001 | dev_info(&pf->pdev->dev, |
1002 | "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1003 | dev_info(&pf->pdev->dev, |
1004 | "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1005 | dev_info(&pf->pdev->dev, "dump desc aq\n" ); |
1006 | } |
1007 | } else if (strncmp(&cmd_buf[5], "reset stats" , 11) == 0) { |
1008 | dev_info(&pf->pdev->dev, |
1009 | "core reset count: %d\n" , pf->corer_count); |
1010 | dev_info(&pf->pdev->dev, |
1011 | "global reset count: %d\n" , pf->globr_count); |
1012 | dev_info(&pf->pdev->dev, |
1013 | "emp reset count: %d\n" , pf->empr_count); |
1014 | dev_info(&pf->pdev->dev, |
1015 | "pf reset count: %d\n" , pf->pfr_count); |
1016 | } else if (strncmp(&cmd_buf[5], "port" , 4) == 0) { |
1017 | struct i40e_aqc_query_port_ets_config_resp *bw_data; |
1018 | struct i40e_dcbx_config *cfg = |
1019 | &pf->hw.local_dcbx_config; |
1020 | struct i40e_dcbx_config *r_cfg = |
1021 | &pf->hw.remote_dcbx_config; |
1022 | int i, ret; |
1023 | u16 switch_id; |
1024 | |
1025 | bw_data = kzalloc(size: sizeof( |
1026 | struct i40e_aqc_query_port_ets_config_resp), |
1027 | GFP_KERNEL); |
1028 | if (!bw_data) { |
1029 | ret = -ENOMEM; |
1030 | goto command_write_done; |
1031 | } |
1032 | |
1033 | vsi = pf->vsi[pf->lan_vsi]; |
1034 | switch_id = |
1035 | le16_to_cpu(vsi->info.switch_id) & |
1036 | I40E_AQ_VSI_SW_ID_MASK; |
1037 | |
1038 | ret = i40e_aq_query_port_ets_config(hw: &pf->hw, |
1039 | seid: switch_id, |
1040 | bw_data, NULL); |
1041 | if (ret) { |
1042 | dev_info(&pf->pdev->dev, |
1043 | "Query Port ETS Config AQ command failed =0x%x\n" , |
1044 | pf->hw.aq.asq_last_status); |
1045 | kfree(objp: bw_data); |
1046 | bw_data = NULL; |
1047 | goto command_write_done; |
1048 | } |
1049 | dev_info(&pf->pdev->dev, |
1050 | "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n" , |
1051 | bw_data->tc_valid_bits, |
1052 | bw_data->tc_strict_priority_bits, |
1053 | le16_to_cpu(bw_data->tc_bw_max[0]), |
1054 | le16_to_cpu(bw_data->tc_bw_max[1])); |
1055 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
1056 | dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n" , |
1057 | bw_data->tc_bw_share_credits[i], |
1058 | le16_to_cpu(bw_data->tc_bw_limits[i])); |
1059 | } |
1060 | |
1061 | kfree(objp: bw_data); |
1062 | bw_data = NULL; |
1063 | |
1064 | dev_info(&pf->pdev->dev, |
1065 | "port dcbx_mode=%d\n" , cfg->dcbx_mode); |
1066 | dev_info(&pf->pdev->dev, |
1067 | "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n" , |
1068 | cfg->etscfg.willing, cfg->etscfg.cbs, |
1069 | cfg->etscfg.maxtcs); |
1070 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
1071 | dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n" , |
1072 | i, cfg->etscfg.prioritytable[i], |
1073 | cfg->etscfg.tcbwtable[i], |
1074 | cfg->etscfg.tsatable[i]); |
1075 | } |
1076 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
1077 | dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n" , |
1078 | i, cfg->etsrec.prioritytable[i], |
1079 | cfg->etsrec.tcbwtable[i], |
1080 | cfg->etsrec.tsatable[i]); |
1081 | } |
1082 | dev_info(&pf->pdev->dev, |
1083 | "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n" , |
1084 | cfg->pfc.willing, cfg->pfc.mbc, |
1085 | cfg->pfc.pfccap, cfg->pfc.pfcenable); |
1086 | dev_info(&pf->pdev->dev, |
1087 | "port app_table: num_apps=%d\n" , cfg->numapps); |
1088 | for (i = 0; i < cfg->numapps; i++) { |
1089 | dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n" , |
1090 | i, cfg->app[i].priority, |
1091 | cfg->app[i].selector, |
1092 | cfg->app[i].protocolid); |
1093 | } |
1094 | /* Peer TLV DCBX data */ |
1095 | dev_info(&pf->pdev->dev, |
1096 | "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n" , |
1097 | r_cfg->etscfg.willing, |
1098 | r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); |
1099 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
1100 | dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n" , |
1101 | i, r_cfg->etscfg.prioritytable[i], |
1102 | r_cfg->etscfg.tcbwtable[i], |
1103 | r_cfg->etscfg.tsatable[i]); |
1104 | } |
1105 | for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { |
1106 | dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n" , |
1107 | i, r_cfg->etsrec.prioritytable[i], |
1108 | r_cfg->etsrec.tcbwtable[i], |
1109 | r_cfg->etsrec.tsatable[i]); |
1110 | } |
1111 | dev_info(&pf->pdev->dev, |
1112 | "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n" , |
1113 | r_cfg->pfc.willing, |
1114 | r_cfg->pfc.mbc, |
1115 | r_cfg->pfc.pfccap, |
1116 | r_cfg->pfc.pfcenable); |
1117 | dev_info(&pf->pdev->dev, |
1118 | "remote port app_table: num_apps=%d\n" , |
1119 | r_cfg->numapps); |
1120 | for (i = 0; i < r_cfg->numapps; i++) { |
1121 | dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n" , |
1122 | i, r_cfg->app[i].priority, |
1123 | r_cfg->app[i].selector, |
1124 | r_cfg->app[i].protocolid); |
1125 | } |
1126 | } else if (strncmp(&cmd_buf[5], "debug fwdata" , 12) == 0) { |
1127 | int cluster_id, table_id; |
1128 | int index, ret; |
1129 | u16 buff_len = 4096; |
1130 | u32 next_index; |
1131 | u8 next_table; |
1132 | u8 *buff; |
1133 | u16 rlen; |
1134 | |
1135 | cnt = sscanf(&cmd_buf[18], "%i %i %i" , |
1136 | &cluster_id, &table_id, &index); |
1137 | if (cnt != 3) { |
1138 | dev_info(&pf->pdev->dev, |
1139 | "dump debug fwdata <cluster_id> <table_id> <index>\n" ); |
1140 | goto command_write_done; |
1141 | } |
1142 | |
1143 | dev_info(&pf->pdev->dev, |
1144 | "AQ debug dump fwdata params %x %x %x %x\n" , |
1145 | cluster_id, table_id, index, buff_len); |
1146 | buff = kzalloc(size: buff_len, GFP_KERNEL); |
1147 | if (!buff) |
1148 | goto command_write_done; |
1149 | |
1150 | ret = i40e_aq_debug_dump(hw: &pf->hw, cluster_id, table_id, |
1151 | start_index: index, buff_size: buff_len, buff, ret_buff_size: &rlen, |
1152 | ret_next_table: &next_table, ret_next_index: &next_index, |
1153 | NULL); |
1154 | if (ret) { |
1155 | dev_info(&pf->pdev->dev, |
1156 | "debug dump fwdata AQ Failed %d 0x%x\n" , |
1157 | ret, pf->hw.aq.asq_last_status); |
1158 | kfree(objp: buff); |
1159 | buff = NULL; |
1160 | goto command_write_done; |
1161 | } |
1162 | dev_info(&pf->pdev->dev, |
1163 | "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n" , |
1164 | rlen, next_table, next_index); |
1165 | print_hex_dump(KERN_INFO, prefix_str: "AQ buffer WB: " , |
1166 | prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 1, |
1167 | buf: buff, len: rlen, ascii: true); |
1168 | kfree(objp: buff); |
1169 | buff = NULL; |
1170 | } else { |
1171 | dev_info(&pf->pdev->dev, |
1172 | "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n" ); |
1173 | dev_info(&pf->pdev->dev, "dump switch\n" ); |
1174 | dev_info(&pf->pdev->dev, "dump vsi [seid]\n" ); |
1175 | dev_info(&pf->pdev->dev, "dump reset stats\n" ); |
1176 | dev_info(&pf->pdev->dev, "dump port\n" ); |
1177 | dev_info(&pf->pdev->dev, "dump vf [vf_id]\n" ); |
1178 | dev_info(&pf->pdev->dev, |
1179 | "dump debug fwdata <cluster_id> <table_id> <index>\n" ); |
1180 | } |
1181 | } else if (strncmp(cmd_buf, "pfr" , 3) == 0) { |
1182 | dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n" ); |
1183 | i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); |
1184 | |
1185 | } else if (strncmp(cmd_buf, "corer" , 5) == 0) { |
1186 | dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n" ); |
1187 | i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); |
1188 | |
1189 | } else if (strncmp(cmd_buf, "globr" , 5) == 0) { |
1190 | dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n" ); |
1191 | i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); |
1192 | |
1193 | } else if (strncmp(cmd_buf, "read" , 4) == 0) { |
1194 | u32 address; |
1195 | u32 value; |
1196 | |
1197 | cnt = sscanf(&cmd_buf[4], "%i" , &address); |
1198 | if (cnt != 1) { |
1199 | dev_info(&pf->pdev->dev, "read <reg>\n" ); |
1200 | goto command_write_done; |
1201 | } |
1202 | |
1203 | /* check the range on address */ |
1204 | if (address > (pf->ioremap_len - sizeof(u32))) { |
1205 | dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n" , |
1206 | address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); |
1207 | goto command_write_done; |
1208 | } |
1209 | |
1210 | value = rd32(&pf->hw, address); |
1211 | dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n" , |
1212 | address, value); |
1213 | |
1214 | } else if (strncmp(cmd_buf, "write" , 5) == 0) { |
1215 | u32 address, value; |
1216 | |
1217 | cnt = sscanf(&cmd_buf[5], "%i %i" , &address, &value); |
1218 | if (cnt != 2) { |
1219 | dev_info(&pf->pdev->dev, "write <reg> <value>\n" ); |
1220 | goto command_write_done; |
1221 | } |
1222 | |
1223 | /* check the range on address */ |
1224 | if (address > (pf->ioremap_len - sizeof(u32))) { |
1225 | dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n" , |
1226 | address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); |
1227 | goto command_write_done; |
1228 | } |
1229 | wr32(&pf->hw, address, value); |
1230 | value = rd32(&pf->hw, address); |
1231 | dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n" , |
1232 | address, value); |
1233 | } else if (strncmp(cmd_buf, "clear_stats" , 11) == 0) { |
1234 | if (strncmp(&cmd_buf[12], "vsi" , 3) == 0) { |
1235 | cnt = sscanf(&cmd_buf[15], "%i" , &vsi_seid); |
1236 | if (cnt == 0) { |
1237 | int i; |
1238 | |
1239 | i40e_pf_for_each_vsi(pf, i, vsi) |
1240 | i40e_vsi_reset_stats(vsi); |
1241 | dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n" ); |
1242 | } else if (cnt == 1) { |
1243 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
1244 | if (!vsi) { |
1245 | dev_info(&pf->pdev->dev, |
1246 | "clear_stats vsi: bad vsi %d\n" , |
1247 | vsi_seid); |
1248 | goto command_write_done; |
1249 | } |
1250 | i40e_vsi_reset_stats(vsi); |
1251 | dev_info(&pf->pdev->dev, |
1252 | "vsi clear stats called for vsi %d\n" , |
1253 | vsi_seid); |
1254 | } else { |
1255 | dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n" ); |
1256 | } |
1257 | } else if (strncmp(&cmd_buf[12], "port" , 4) == 0) { |
1258 | if (pf->hw.partition_id == 1) { |
1259 | i40e_pf_reset_stats(pf); |
1260 | dev_info(&pf->pdev->dev, "port stats cleared\n" ); |
1261 | } else { |
1262 | dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n" ); |
1263 | } |
1264 | } else { |
1265 | dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n" ); |
1266 | } |
1267 | } else if (strncmp(cmd_buf, "send aq_cmd" , 11) == 0) { |
1268 | struct i40e_aq_desc *desc; |
1269 | int ret; |
1270 | |
1271 | desc = kzalloc(size: sizeof(struct i40e_aq_desc), GFP_KERNEL); |
1272 | if (!desc) |
1273 | goto command_write_done; |
1274 | cnt = sscanf(&cmd_buf[11], |
1275 | "%hi %hi %hi %hi %i %i %i %i %i %i" , |
1276 | &desc->flags, |
1277 | &desc->opcode, &desc->datalen, &desc->retval, |
1278 | &desc->cookie_high, &desc->cookie_low, |
1279 | &desc->params.internal.param0, |
1280 | &desc->params.internal.param1, |
1281 | &desc->params.internal.param2, |
1282 | &desc->params.internal.param3); |
1283 | if (cnt != 10) { |
1284 | dev_info(&pf->pdev->dev, |
1285 | "send aq_cmd: bad command string, cnt=%d\n" , |
1286 | cnt); |
1287 | kfree(objp: desc); |
1288 | desc = NULL; |
1289 | goto command_write_done; |
1290 | } |
1291 | ret = i40e_asq_send_command(hw: &pf->hw, desc, NULL, buff_size: 0, NULL); |
1292 | if (!ret) { |
1293 | dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n" ); |
1294 | } else if (ret == -EIO) { |
1295 | dev_info(&pf->pdev->dev, |
1296 | "AQ command send failed Opcode %x AQ Error: %d\n" , |
1297 | desc->opcode, pf->hw.aq.asq_last_status); |
1298 | } else { |
1299 | dev_info(&pf->pdev->dev, |
1300 | "AQ command send failed Opcode %x Status: %d\n" , |
1301 | desc->opcode, ret); |
1302 | } |
1303 | dev_info(&pf->pdev->dev, |
1304 | "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n" , |
1305 | desc->flags, desc->opcode, desc->datalen, desc->retval, |
1306 | desc->cookie_high, desc->cookie_low, |
1307 | desc->params.internal.param0, |
1308 | desc->params.internal.param1, |
1309 | desc->params.internal.param2, |
1310 | desc->params.internal.param3); |
1311 | kfree(objp: desc); |
1312 | desc = NULL; |
1313 | } else if (strncmp(cmd_buf, "send indirect aq_cmd" , 20) == 0) { |
1314 | struct i40e_aq_desc *desc; |
1315 | u16 buffer_len; |
1316 | u8 *buff; |
1317 | int ret; |
1318 | |
1319 | desc = kzalloc(size: sizeof(struct i40e_aq_desc), GFP_KERNEL); |
1320 | if (!desc) |
1321 | goto command_write_done; |
1322 | cnt = sscanf(&cmd_buf[20], |
1323 | "%hi %hi %hi %hi %i %i %i %i %i %i %hi" , |
1324 | &desc->flags, |
1325 | &desc->opcode, &desc->datalen, &desc->retval, |
1326 | &desc->cookie_high, &desc->cookie_low, |
1327 | &desc->params.internal.param0, |
1328 | &desc->params.internal.param1, |
1329 | &desc->params.internal.param2, |
1330 | &desc->params.internal.param3, |
1331 | &buffer_len); |
1332 | if (cnt != 11) { |
1333 | dev_info(&pf->pdev->dev, |
1334 | "send indirect aq_cmd: bad command string, cnt=%d\n" , |
1335 | cnt); |
1336 | kfree(objp: desc); |
1337 | desc = NULL; |
1338 | goto command_write_done; |
1339 | } |
1340 | /* Just stub a buffer big enough in case user messed up */ |
1341 | if (buffer_len == 0) |
1342 | buffer_len = 1280; |
1343 | |
1344 | buff = kzalloc(size: buffer_len, GFP_KERNEL); |
1345 | if (!buff) { |
1346 | kfree(objp: desc); |
1347 | desc = NULL; |
1348 | goto command_write_done; |
1349 | } |
1350 | desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); |
1351 | ret = i40e_asq_send_command(hw: &pf->hw, desc, buff, |
1352 | buff_size: buffer_len, NULL); |
1353 | if (!ret) { |
1354 | dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n" ); |
1355 | } else if (ret == -EIO) { |
1356 | dev_info(&pf->pdev->dev, |
1357 | "AQ command send failed Opcode %x AQ Error: %d\n" , |
1358 | desc->opcode, pf->hw.aq.asq_last_status); |
1359 | } else { |
1360 | dev_info(&pf->pdev->dev, |
1361 | "AQ command send failed Opcode %x Status: %d\n" , |
1362 | desc->opcode, ret); |
1363 | } |
1364 | dev_info(&pf->pdev->dev, |
1365 | "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n" , |
1366 | desc->flags, desc->opcode, desc->datalen, desc->retval, |
1367 | desc->cookie_high, desc->cookie_low, |
1368 | desc->params.internal.param0, |
1369 | desc->params.internal.param1, |
1370 | desc->params.internal.param2, |
1371 | desc->params.internal.param3); |
1372 | print_hex_dump(KERN_INFO, prefix_str: "AQ buffer WB: " , |
1373 | prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 1, |
1374 | buf: buff, len: buffer_len, ascii: true); |
1375 | kfree(objp: buff); |
1376 | buff = NULL; |
1377 | kfree(objp: desc); |
1378 | desc = NULL; |
1379 | } else if (strncmp(cmd_buf, "fd current cnt" , 14) == 0) { |
1380 | dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n" , |
1381 | i40e_get_current_fd_count(pf)); |
1382 | } else if (strncmp(cmd_buf, "lldp" , 4) == 0) { |
1383 | if (strncmp(&cmd_buf[5], "stop" , 4) == 0) { |
1384 | int ret; |
1385 | |
1386 | ret = i40e_aq_stop_lldp(hw: &pf->hw, shutdown_agent: false, persist: false, NULL); |
1387 | if (ret) { |
1388 | dev_info(&pf->pdev->dev, |
1389 | "Stop LLDP AQ command failed =0x%x\n" , |
1390 | pf->hw.aq.asq_last_status); |
1391 | goto command_write_done; |
1392 | } |
1393 | ret = i40e_aq_add_rem_control_packet_filter(hw: &pf->hw, |
1394 | mac_addr: pf->hw.mac.addr, |
1395 | ETH_P_LLDP, flags: 0, |
1396 | vsi_seid: pf->vsi[pf->lan_vsi]->seid, |
1397 | queue: 0, is_add: true, NULL, NULL); |
1398 | if (ret) { |
1399 | dev_info(&pf->pdev->dev, |
1400 | "%s: Add Control Packet Filter AQ command failed =0x%x\n" , |
1401 | __func__, pf->hw.aq.asq_last_status); |
1402 | goto command_write_done; |
1403 | } |
1404 | #ifdef CONFIG_I40E_DCB |
1405 | pf->dcbx_cap = DCB_CAP_DCBX_HOST | |
1406 | DCB_CAP_DCBX_VER_IEEE; |
1407 | #endif /* CONFIG_I40E_DCB */ |
1408 | } else if (strncmp(&cmd_buf[5], "start" , 5) == 0) { |
1409 | int ret; |
1410 | |
1411 | ret = i40e_aq_add_rem_control_packet_filter(hw: &pf->hw, |
1412 | mac_addr: pf->hw.mac.addr, |
1413 | ETH_P_LLDP, flags: 0, |
1414 | vsi_seid: pf->vsi[pf->lan_vsi]->seid, |
1415 | queue: 0, is_add: false, NULL, NULL); |
1416 | if (ret) { |
1417 | dev_info(&pf->pdev->dev, |
1418 | "%s: Remove Control Packet Filter AQ command failed =0x%x\n" , |
1419 | __func__, pf->hw.aq.asq_last_status); |
1420 | /* Continue and start FW LLDP anyways */ |
1421 | } |
1422 | |
1423 | ret = i40e_aq_start_lldp(hw: &pf->hw, persist: false, NULL); |
1424 | if (ret) { |
1425 | dev_info(&pf->pdev->dev, |
1426 | "Start LLDP AQ command failed =0x%x\n" , |
1427 | pf->hw.aq.asq_last_status); |
1428 | goto command_write_done; |
1429 | } |
1430 | #ifdef CONFIG_I40E_DCB |
1431 | pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | |
1432 | DCB_CAP_DCBX_VER_IEEE; |
1433 | #endif /* CONFIG_I40E_DCB */ |
1434 | } else if (strncmp(&cmd_buf[5], |
1435 | "get local" , 9) == 0) { |
1436 | u16 llen, rlen; |
1437 | int ret; |
1438 | u8 *buff; |
1439 | |
1440 | buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); |
1441 | if (!buff) |
1442 | goto command_write_done; |
1443 | |
1444 | ret = i40e_aq_get_lldp_mib(hw: &pf->hw, bridge_type: 0, |
1445 | I40E_AQ_LLDP_MIB_LOCAL, |
1446 | buff, I40E_LLDPDU_SIZE, |
1447 | local_len: &llen, remote_len: &rlen, NULL); |
1448 | if (ret) { |
1449 | dev_info(&pf->pdev->dev, |
1450 | "Get LLDP MIB (local) AQ command failed =0x%x\n" , |
1451 | pf->hw.aq.asq_last_status); |
1452 | kfree(objp: buff); |
1453 | buff = NULL; |
1454 | goto command_write_done; |
1455 | } |
1456 | dev_info(&pf->pdev->dev, "LLDP MIB (local)\n" ); |
1457 | print_hex_dump(KERN_INFO, prefix_str: "LLDP MIB (local): " , |
1458 | prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 1, |
1459 | buf: buff, I40E_LLDPDU_SIZE, ascii: true); |
1460 | kfree(objp: buff); |
1461 | buff = NULL; |
1462 | } else if (strncmp(&cmd_buf[5], "get remote" , 10) == 0) { |
1463 | u16 llen, rlen; |
1464 | int ret; |
1465 | u8 *buff; |
1466 | |
1467 | buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); |
1468 | if (!buff) |
1469 | goto command_write_done; |
1470 | |
1471 | ret = i40e_aq_get_lldp_mib(hw: &pf->hw, |
1472 | I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, |
1473 | I40E_AQ_LLDP_MIB_REMOTE, |
1474 | buff, I40E_LLDPDU_SIZE, |
1475 | local_len: &llen, remote_len: &rlen, NULL); |
1476 | if (ret) { |
1477 | dev_info(&pf->pdev->dev, |
1478 | "Get LLDP MIB (remote) AQ command failed =0x%x\n" , |
1479 | pf->hw.aq.asq_last_status); |
1480 | kfree(objp: buff); |
1481 | buff = NULL; |
1482 | goto command_write_done; |
1483 | } |
1484 | dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n" ); |
1485 | print_hex_dump(KERN_INFO, prefix_str: "LLDP MIB (remote): " , |
1486 | prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 1, |
1487 | buf: buff, I40E_LLDPDU_SIZE, ascii: true); |
1488 | kfree(objp: buff); |
1489 | buff = NULL; |
1490 | } else if (strncmp(&cmd_buf[5], "event on" , 8) == 0) { |
1491 | int ret; |
1492 | |
1493 | ret = i40e_aq_cfg_lldp_mib_change_event(hw: &pf->hw, |
1494 | enable_update: true, NULL); |
1495 | if (ret) { |
1496 | dev_info(&pf->pdev->dev, |
1497 | "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n" , |
1498 | pf->hw.aq.asq_last_status); |
1499 | goto command_write_done; |
1500 | } |
1501 | } else if (strncmp(&cmd_buf[5], "event off" , 9) == 0) { |
1502 | int ret; |
1503 | |
1504 | ret = i40e_aq_cfg_lldp_mib_change_event(hw: &pf->hw, |
1505 | enable_update: false, NULL); |
1506 | if (ret) { |
1507 | dev_info(&pf->pdev->dev, |
1508 | "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n" , |
1509 | pf->hw.aq.asq_last_status); |
1510 | goto command_write_done; |
1511 | } |
1512 | } |
1513 | } else if (strncmp(cmd_buf, "nvm read" , 8) == 0) { |
1514 | u16 buffer_len, bytes; |
1515 | u16 module; |
1516 | u32 offset; |
1517 | u16 *buff; |
1518 | int ret; |
1519 | |
1520 | cnt = sscanf(&cmd_buf[8], "%hx %x %hx" , |
1521 | &module, &offset, &buffer_len); |
1522 | if (cnt == 0) { |
1523 | module = 0; |
1524 | offset = 0; |
1525 | buffer_len = 0; |
1526 | } else if (cnt == 1) { |
1527 | offset = 0; |
1528 | buffer_len = 0; |
1529 | } else if (cnt == 2) { |
1530 | buffer_len = 0; |
1531 | } else if (cnt > 3) { |
1532 | dev_info(&pf->pdev->dev, |
1533 | "nvm read: bad command string, cnt=%d\n" , cnt); |
1534 | goto command_write_done; |
1535 | } |
1536 | |
1537 | /* set the max length */ |
1538 | buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); |
1539 | |
1540 | bytes = 2 * buffer_len; |
1541 | |
1542 | /* read at least 1k bytes, no more than 4kB */ |
1543 | bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); |
1544 | buff = kzalloc(size: bytes, GFP_KERNEL); |
1545 | if (!buff) |
1546 | goto command_write_done; |
1547 | |
1548 | ret = i40e_acquire_nvm(hw: &pf->hw, access: I40E_RESOURCE_READ); |
1549 | if (ret) { |
1550 | dev_info(&pf->pdev->dev, |
1551 | "Failed Acquiring NVM resource for read err=%d status=0x%x\n" , |
1552 | ret, pf->hw.aq.asq_last_status); |
1553 | kfree(objp: buff); |
1554 | goto command_write_done; |
1555 | } |
1556 | |
1557 | ret = i40e_aq_read_nvm(hw: &pf->hw, module_pointer: module, offset: (2 * offset), |
1558 | length: bytes, data: (u8 *)buff, last_command: true, NULL); |
1559 | i40e_release_nvm(hw: &pf->hw); |
1560 | if (ret) { |
1561 | dev_info(&pf->pdev->dev, |
1562 | "Read NVM AQ failed err=%d status=0x%x\n" , |
1563 | ret, pf->hw.aq.asq_last_status); |
1564 | } else { |
1565 | dev_info(&pf->pdev->dev, |
1566 | "Read NVM module=0x%x offset=0x%x words=%d\n" , |
1567 | module, offset, buffer_len); |
1568 | if (bytes) |
1569 | print_hex_dump(KERN_INFO, prefix_str: "NVM Dump: " , |
1570 | prefix_type: DUMP_PREFIX_OFFSET, rowsize: 16, groupsize: 2, |
1571 | buf: buff, len: bytes, ascii: true); |
1572 | } |
1573 | kfree(objp: buff); |
1574 | buff = NULL; |
1575 | } else { |
1576 | dev_info(&pf->pdev->dev, "unknown command '%s'\n" , cmd_buf); |
1577 | dev_info(&pf->pdev->dev, "available commands\n" ); |
1578 | dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n" ); |
1579 | dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n" ); |
1580 | dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n" ); |
1581 | dev_info(&pf->pdev->dev, " del relay <relay_seid>\n" ); |
1582 | dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n" ); |
1583 | dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n" ); |
1584 | dev_info(&pf->pdev->dev, " dump switch\n" ); |
1585 | dev_info(&pf->pdev->dev, " dump vsi [seid]\n" ); |
1586 | dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1587 | dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1588 | dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n" ); |
1589 | dev_info(&pf->pdev->dev, " dump desc aq\n" ); |
1590 | dev_info(&pf->pdev->dev, " dump reset stats\n" ); |
1591 | dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n" ); |
1592 | dev_info(&pf->pdev->dev, " read <reg>\n" ); |
1593 | dev_info(&pf->pdev->dev, " write <reg> <value>\n" ); |
1594 | dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n" ); |
1595 | dev_info(&pf->pdev->dev, " clear_stats port\n" ); |
1596 | dev_info(&pf->pdev->dev, " pfr\n" ); |
1597 | dev_info(&pf->pdev->dev, " corer\n" ); |
1598 | dev_info(&pf->pdev->dev, " globr\n" ); |
1599 | dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n" ); |
1600 | dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n" ); |
1601 | dev_info(&pf->pdev->dev, " fd current cnt" ); |
1602 | dev_info(&pf->pdev->dev, " lldp start\n" ); |
1603 | dev_info(&pf->pdev->dev, " lldp stop\n" ); |
1604 | dev_info(&pf->pdev->dev, " lldp get local\n" ); |
1605 | dev_info(&pf->pdev->dev, " lldp get remote\n" ); |
1606 | dev_info(&pf->pdev->dev, " lldp event on\n" ); |
1607 | dev_info(&pf->pdev->dev, " lldp event off\n" ); |
1608 | dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n" ); |
1609 | } |
1610 | |
1611 | command_write_done: |
1612 | kfree(objp: cmd_buf); |
1613 | cmd_buf = NULL; |
1614 | return count; |
1615 | } |
1616 | |
1617 | static const struct file_operations i40e_dbg_command_fops = { |
1618 | .owner = THIS_MODULE, |
1619 | .open = simple_open, |
1620 | .read = i40e_dbg_command_read, |
1621 | .write = i40e_dbg_command_write, |
1622 | }; |
1623 | |
1624 | /************************************************************** |
1625 | * netdev_ops |
1626 | * The netdev_ops entry in debugfs is for giving the driver commands |
1627 | * to be executed from the netdev operations. |
1628 | **************************************************************/ |
1629 | static char i40e_dbg_netdev_ops_buf[256] = "" ; |
1630 | |
1631 | /** |
1632 | * i40e_dbg_netdev_ops_read - read for netdev_ops datum |
1633 | * @filp: the opened file |
1634 | * @buffer: where to write the data for the user to read |
1635 | * @count: the size of the user's buffer |
1636 | * @ppos: file position offset |
1637 | **/ |
1638 | static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, |
1639 | size_t count, loff_t *ppos) |
1640 | { |
1641 | struct i40e_pf *pf = filp->private_data; |
1642 | int bytes_not_copied; |
1643 | int buf_size = 256; |
1644 | char *buf; |
1645 | int len; |
1646 | |
1647 | /* don't allow partal reads */ |
1648 | if (*ppos != 0) |
1649 | return 0; |
1650 | if (count < buf_size) |
1651 | return -ENOSPC; |
1652 | |
1653 | buf = kzalloc(size: buf_size, GFP_KERNEL); |
1654 | if (!buf) |
1655 | return -ENOSPC; |
1656 | |
1657 | len = snprintf(buf, size: buf_size, fmt: "%s: %s\n" , |
1658 | pf->vsi[pf->lan_vsi]->netdev->name, |
1659 | i40e_dbg_netdev_ops_buf); |
1660 | |
1661 | bytes_not_copied = copy_to_user(to: buffer, from: buf, n: len); |
1662 | kfree(objp: buf); |
1663 | |
1664 | if (bytes_not_copied) |
1665 | return -EFAULT; |
1666 | |
1667 | *ppos = len; |
1668 | return len; |
1669 | } |
1670 | |
1671 | /** |
1672 | * i40e_dbg_netdev_ops_write - write into netdev_ops datum |
1673 | * @filp: the opened file |
1674 | * @buffer: where to find the user's data |
1675 | * @count: the length of the user's data |
1676 | * @ppos: file position offset |
1677 | **/ |
1678 | static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, |
1679 | const char __user *buffer, |
1680 | size_t count, loff_t *ppos) |
1681 | { |
1682 | struct i40e_pf *pf = filp->private_data; |
1683 | int bytes_not_copied; |
1684 | struct i40e_vsi *vsi; |
1685 | char *buf_tmp; |
1686 | int vsi_seid; |
1687 | int i, cnt; |
1688 | |
1689 | /* don't allow partial writes */ |
1690 | if (*ppos != 0) |
1691 | return 0; |
1692 | if (count >= sizeof(i40e_dbg_netdev_ops_buf)) |
1693 | return -ENOSPC; |
1694 | |
1695 | memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); |
1696 | bytes_not_copied = copy_from_user(to: i40e_dbg_netdev_ops_buf, |
1697 | from: buffer, n: count); |
1698 | if (bytes_not_copied) |
1699 | return -EFAULT; |
1700 | i40e_dbg_netdev_ops_buf[count] = '\0'; |
1701 | |
1702 | buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); |
1703 | if (buf_tmp) { |
1704 | *buf_tmp = '\0'; |
1705 | count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; |
1706 | } |
1707 | |
1708 | if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu" , 10) == 0) { |
1709 | int mtu; |
1710 | |
1711 | cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i" , |
1712 | &vsi_seid, &mtu); |
1713 | if (cnt != 2) { |
1714 | dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n" ); |
1715 | goto netdev_ops_write_done; |
1716 | } |
1717 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
1718 | if (!vsi) { |
1719 | dev_info(&pf->pdev->dev, |
1720 | "change_mtu: VSI %d not found\n" , vsi_seid); |
1721 | } else if (!vsi->netdev) { |
1722 | dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n" , |
1723 | vsi_seid); |
1724 | } else if (rtnl_trylock()) { |
1725 | vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, |
1726 | mtu); |
1727 | rtnl_unlock(); |
1728 | dev_info(&pf->pdev->dev, "change_mtu called\n" ); |
1729 | } else { |
1730 | dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n" ); |
1731 | } |
1732 | |
1733 | } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode" , 11) == 0) { |
1734 | cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i" , &vsi_seid); |
1735 | if (cnt != 1) { |
1736 | dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n" ); |
1737 | goto netdev_ops_write_done; |
1738 | } |
1739 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
1740 | if (!vsi) { |
1741 | dev_info(&pf->pdev->dev, |
1742 | "set_rx_mode: VSI %d not found\n" , vsi_seid); |
1743 | } else if (!vsi->netdev) { |
1744 | dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n" , |
1745 | vsi_seid); |
1746 | } else if (rtnl_trylock()) { |
1747 | vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); |
1748 | rtnl_unlock(); |
1749 | dev_info(&pf->pdev->dev, "set_rx_mode called\n" ); |
1750 | } else { |
1751 | dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n" ); |
1752 | } |
1753 | |
1754 | } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi" , 4) == 0) { |
1755 | cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i" , &vsi_seid); |
1756 | if (cnt != 1) { |
1757 | dev_info(&pf->pdev->dev, "napi <vsi_seid>\n" ); |
1758 | goto netdev_ops_write_done; |
1759 | } |
1760 | vsi = i40e_dbg_find_vsi(pf, seid: vsi_seid); |
1761 | if (!vsi) { |
1762 | dev_info(&pf->pdev->dev, "napi: VSI %d not found\n" , |
1763 | vsi_seid); |
1764 | } else if (!vsi->netdev) { |
1765 | dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n" , |
1766 | vsi_seid); |
1767 | } else { |
1768 | for (i = 0; i < vsi->num_q_vectors; i++) |
1769 | napi_schedule(n: &vsi->q_vectors[i]->napi); |
1770 | dev_info(&pf->pdev->dev, "napi called\n" ); |
1771 | } |
1772 | } else { |
1773 | dev_info(&pf->pdev->dev, "unknown command '%s'\n" , |
1774 | i40e_dbg_netdev_ops_buf); |
1775 | dev_info(&pf->pdev->dev, "available commands\n" ); |
1776 | dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n" ); |
1777 | dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n" ); |
1778 | dev_info(&pf->pdev->dev, " napi <vsi_seid>\n" ); |
1779 | } |
1780 | netdev_ops_write_done: |
1781 | return count; |
1782 | } |
1783 | |
1784 | static const struct file_operations i40e_dbg_netdev_ops_fops = { |
1785 | .owner = THIS_MODULE, |
1786 | .open = simple_open, |
1787 | .read = i40e_dbg_netdev_ops_read, |
1788 | .write = i40e_dbg_netdev_ops_write, |
1789 | }; |
1790 | |
1791 | /** |
1792 | * i40e_dbg_pf_init - setup the debugfs directory for the PF |
1793 | * @pf: the PF that is starting up |
1794 | **/ |
1795 | void i40e_dbg_pf_init(struct i40e_pf *pf) |
1796 | { |
1797 | const char *name = pci_name(pdev: pf->pdev); |
1798 | |
1799 | pf->i40e_dbg_pf = debugfs_create_dir(name, parent: i40e_dbg_root); |
1800 | |
1801 | debugfs_create_file(name: "command" , mode: 0600, parent: pf->i40e_dbg_pf, data: pf, |
1802 | fops: &i40e_dbg_command_fops); |
1803 | |
1804 | debugfs_create_file(name: "netdev_ops" , mode: 0600, parent: pf->i40e_dbg_pf, data: pf, |
1805 | fops: &i40e_dbg_netdev_ops_fops); |
1806 | } |
1807 | |
1808 | /** |
1809 | * i40e_dbg_pf_exit - clear out the PF's debugfs entries |
1810 | * @pf: the PF that is stopping |
1811 | **/ |
1812 | void i40e_dbg_pf_exit(struct i40e_pf *pf) |
1813 | { |
1814 | debugfs_remove_recursive(dentry: pf->i40e_dbg_pf); |
1815 | pf->i40e_dbg_pf = NULL; |
1816 | } |
1817 | |
1818 | /** |
1819 | * i40e_dbg_init - start up debugfs for the driver |
1820 | **/ |
1821 | void i40e_dbg_init(void) |
1822 | { |
1823 | i40e_dbg_root = debugfs_create_dir(name: i40e_driver_name, NULL); |
1824 | if (IS_ERR(ptr: i40e_dbg_root)) |
1825 | pr_info("init of debugfs failed\n" ); |
1826 | } |
1827 | |
1828 | /** |
1829 | * i40e_dbg_exit - clean out the driver's debugfs entries |
1830 | **/ |
1831 | void i40e_dbg_exit(void) |
1832 | { |
1833 | debugfs_remove_recursive(dentry: i40e_dbg_root); |
1834 | i40e_dbg_root = NULL; |
1835 | } |
1836 | |
1837 | #endif /* CONFIG_DEBUG_FS */ |
1838 | |