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[linux-2.6-block.git] / drivers / net / ethernet / mellanox / mlx4 / en_port.c
CommitLineData
c27a02cd
YP
1/*
2 * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 *
32 */
33
34
35#include <linux/if_vlan.h>
36
37#include <linux/mlx4/device.h>
38#include <linux/mlx4/cmd.h>
39
40#include "en_port.h"
41#include "mlx4_en.h"
42
43
f1b553fb 44int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv)
c27a02cd
YP
45{
46 struct mlx4_cmd_mailbox *mailbox;
47 struct mlx4_set_vlan_fltr_mbox *filter;
48 int i;
49 int j;
50 int index = 0;
51 u32 entry;
52 int err = 0;
53
54 mailbox = mlx4_alloc_cmd_mailbox(dev);
55 if (IS_ERR(mailbox))
56 return PTR_ERR(mailbox);
57
58 filter = mailbox->buf;
f1b553fb
JP
59 for (i = VLAN_FLTR_SIZE - 1; i >= 0; i--) {
60 entry = 0;
61 for (j = 0; j < 32; j++)
62 if (test_bit(index++, priv->active_vlans))
63 entry |= 1 << j;
64 filter->entry[i] = cpu_to_be32(entry);
c27a02cd 65 }
f1b553fb 66 err = mlx4_cmd(dev, mailbox->dma, priv->port, 0, MLX4_CMD_SET_VLAN_FLTR,
f9baff50 67 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
c27a02cd
YP
68 mlx4_free_cmd_mailbox(dev, mailbox);
69 return err;
70}
71
e7c1c2c4
YP
72int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port)
73{
74 struct mlx4_en_query_port_context *qport_context;
75 struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
76 struct mlx4_en_port_state *state = &priv->port_state;
77 struct mlx4_cmd_mailbox *mailbox;
78 int err;
79
80 mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
81 if (IS_ERR(mailbox))
82 return PTR_ERR(mailbox);
e7c1c2c4 83 err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
f9baff50
JM
84 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
85 MLX4_CMD_WRAPPED);
e7c1c2c4
YP
86 if (err)
87 goto out;
88 qport_context = mailbox->buf;
89
90 /* This command is always accessed from Ethtool context
91 * already synchronized, no need in locking */
92 state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK);
f0ec7177 93 switch (qport_context->link_speed & MLX4_EN_SPEED_MASK) {
dcf972a3
SM
94 case MLX4_EN_100M_SPEED:
95 state->link_speed = SPEED_100;
96 break;
f0ec7177 97 case MLX4_EN_1G_SPEED:
dcf972a3 98 state->link_speed = SPEED_1000;
f0ec7177
AG
99 break;
100 case MLX4_EN_10G_SPEED_XAUI:
101 case MLX4_EN_10G_SPEED_XFI:
dcf972a3
SM
102 state->link_speed = SPEED_10000;
103 break;
104 case MLX4_EN_20G_SPEED:
105 state->link_speed = SPEED_20000;
f0ec7177
AG
106 break;
107 case MLX4_EN_40G_SPEED:
dcf972a3
SM
108 state->link_speed = SPEED_40000;
109 break;
110 case MLX4_EN_56G_SPEED:
111 state->link_speed = SPEED_56000;
f0ec7177
AG
112 break;
113 default:
114 state->link_speed = -1;
115 break;
116 }
2c762679
SM
117
118 state->transceiver = qport_context->transceiver;
119
120 state->flags = 0; /* Reset and recalculate the port flags */
121 state->flags |= (qport_context->link_up & MLX4_EN_ANC_MASK) ?
122 MLX4_EN_PORT_ANC : 0;
123 state->flags |= (qport_context->autoneg & MLX4_EN_AUTONEG_MASK) ?
124 MLX4_EN_PORT_ANE : 0;
e7c1c2c4
YP
125
126out:
127 mlx4_free_cmd_mailbox(mdev->dev, mailbox);
128 return err;
129}
c27a02cd 130
a3333b35
EBE
131/* Each counter set is located in struct mlx4_en_stat_out_mbox
132 * with a const offset between its prio components.
133 * This function runs over a counter set and sum all of it's prio components.
134 */
135static unsigned long en_stats_adder(__be64 *start, __be64 *next, int num)
136{
137 __be64 *curr = start;
138 unsigned long ret = 0;
139 int i;
140 int offset = next - start;
141
cae06338 142 for (i = 0; i < num; i++) {
a3333b35
EBE
143 ret += be64_to_cpu(*curr);
144 curr += offset;
145 }
146
147 return ret;
148}
149
40931b85
ED
150void mlx4_en_fold_software_stats(struct net_device *dev)
151{
152 struct mlx4_en_priv *priv = netdev_priv(dev);
153 struct mlx4_en_dev *mdev = priv->mdev;
154 unsigned long packets, bytes;
155 int i;
156
7f7bf160 157 if (!priv->port_up || mlx4_is_master(mdev->dev))
40931b85
ED
158 return;
159
160 packets = 0;
161 bytes = 0;
162 for (i = 0; i < priv->rx_ring_num; i++) {
163 const struct mlx4_en_rx_ring *ring = priv->rx_ring[i];
164
165 packets += READ_ONCE(ring->packets);
166 bytes += READ_ONCE(ring->bytes);
167 }
168 dev->stats.rx_packets = packets;
169 dev->stats.rx_bytes = bytes;
170
171 packets = 0;
172 bytes = 0;
173 for (i = 0; i < priv->tx_ring_num[TX]; i++) {
174 const struct mlx4_en_tx_ring *ring = priv->tx_ring[TX][i];
175
176 packets += READ_ONCE(ring->packets);
177 bytes += READ_ONCE(ring->bytes);
178 }
179 dev->stats.tx_packets = packets;
180 dev->stats.tx_bytes = bytes;
181}
182
c27a02cd
YP
183int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
184{
b42de4d0 185 struct mlx4_counter tmp_counter_stats;
c27a02cd 186 struct mlx4_en_stat_out_mbox *mlx4_en_stats;
0b131561 187 struct mlx4_en_stat_out_flow_control_mbox *flowstats;
f73a6f43
ED
188 struct net_device *dev = mdev->pndev[port];
189 struct mlx4_en_priv *priv = netdev_priv(dev);
190 struct net_device_stats *stats = &dev->stats;
5a1647c3 191 struct mlx4_cmd_mailbox *mailbox, *mailbox_priority;
c27a02cd
YP
192 u64 in_mod = reset << 8 | port;
193 int err;
b42de4d0 194 int i, counter_index;
40931b85 195 unsigned long sw_tx_dropped = 0;
d21ed3a3 196 unsigned long sw_rx_dropped = 0;
c27a02cd
YP
197
198 mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
199 if (IS_ERR(mailbox))
200 return PTR_ERR(mailbox);
5a1647c3
EBE
201
202 mailbox_priority = mlx4_alloc_cmd_mailbox(mdev->dev);
203 if (IS_ERR(mailbox_priority)) {
204 mlx4_free_cmd_mailbox(mdev->dev, mailbox);
205 return PTR_ERR(mailbox_priority);
206 }
207
c27a02cd 208 err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0,
f9baff50 209 MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B,
d2582a03 210 MLX4_CMD_NATIVE);
c27a02cd
YP
211 if (err)
212 goto out;
213
214 mlx4_en_stats = mailbox->buf;
215
5a1647c3
EBE
216 memset(&tmp_counter_stats, 0, sizeof(tmp_counter_stats));
217 counter_index = mlx4_get_default_counter_index(mdev->dev, port);
218 err = mlx4_get_counter_stats(mdev->dev, counter_index,
219 &tmp_counter_stats, reset);
220
221 /* 0xffs indicates invalid value */
222 memset(mailbox_priority->buf, 0xff,
223 sizeof(*flowstats) * MLX4_NUM_PRIORITIES);
224
225 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN) {
226 memset(mailbox_priority->buf, 0,
227 sizeof(*flowstats) * MLX4_NUM_PRIORITIES);
228 err = mlx4_cmd_box(mdev->dev, 0, mailbox_priority->dma,
229 in_mod | MLX4_DUMP_ETH_STATS_FLOW_CONTROL,
230 0, MLX4_CMD_DUMP_ETH_STATS,
231 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
232 if (err)
233 goto out;
234 }
235
236 flowstats = mailbox_priority->buf;
237
c27a02cd
YP
238 spin_lock_bh(&priv->stats_lock);
239
40931b85
ED
240 mlx4_en_fold_software_stats(dev);
241
ad04378c
YP
242 priv->port_stats.rx_chksum_good = 0;
243 priv->port_stats.rx_chksum_none = 0;
f8c6455b 244 priv->port_stats.rx_chksum_complete = 0;
7d7bfc6a 245 priv->port_stats.rx_alloc_pages = 0;
15fca2c8
TT
246 priv->xdp_stats.rx_xdp_drop = 0;
247 priv->xdp_stats.rx_xdp_tx = 0;
248 priv->xdp_stats.rx_xdp_tx_full = 0;
b1b243af 249 for (i = 0; i < priv->rx_ring_num; i++) {
40931b85
ED
250 const struct mlx4_en_rx_ring *ring = priv->rx_ring[i];
251
252 sw_rx_dropped += READ_ONCE(ring->dropped);
253 priv->port_stats.rx_chksum_good += READ_ONCE(ring->csum_ok);
254 priv->port_stats.rx_chksum_none += READ_ONCE(ring->csum_none);
255 priv->port_stats.rx_chksum_complete += READ_ONCE(ring->csum_complete);
7d7bfc6a 256 priv->port_stats.rx_alloc_pages += READ_ONCE(ring->rx_alloc_pages);
40931b85
ED
257 priv->xdp_stats.rx_xdp_drop += READ_ONCE(ring->xdp_drop);
258 priv->xdp_stats.rx_xdp_tx += READ_ONCE(ring->xdp_tx);
259 priv->xdp_stats.rx_xdp_tx_full += READ_ONCE(ring->xdp_tx_full);
b1b243af 260 }
ad04378c 261 priv->port_stats.tx_chksum_offload = 0;
15bffdff
EE
262 priv->port_stats.queue_stopped = 0;
263 priv->port_stats.wake_queue = 0;
9fab426d
ED
264 priv->port_stats.tso_packets = 0;
265 priv->port_stats.xmit_more = 0;
15bffdff 266
67f8b1dc
TT
267 for (i = 0; i < priv->tx_ring_num[TX]; i++) {
268 const struct mlx4_en_tx_ring *ring = priv->tx_ring[TX][i];
9fab426d 269
40931b85
ED
270 sw_tx_dropped += READ_ONCE(ring->tx_dropped);
271 priv->port_stats.tx_chksum_offload += READ_ONCE(ring->tx_csum);
272 priv->port_stats.queue_stopped += READ_ONCE(ring->queue_stopped);
273 priv->port_stats.wake_queue += READ_ONCE(ring->wake_queue);
274 priv->port_stats.tso_packets += READ_ONCE(ring->tso_packets);
275 priv->port_stats.xmit_more += READ_ONCE(ring->xmit_more);
b1b243af 276 }
40931b85 277
f1a3badb
EBE
278 if (mlx4_is_master(mdev->dev)) {
279 stats->rx_packets = en_stats_adder(&mlx4_en_stats->RTOT_prio_0,
280 &mlx4_en_stats->RTOT_prio_1,
281 NUM_PRIORITIES);
282 stats->tx_packets = en_stats_adder(&mlx4_en_stats->TTOT_prio_0,
283 &mlx4_en_stats->TTOT_prio_1,
284 NUM_PRIORITIES);
285 stats->rx_bytes = en_stats_adder(&mlx4_en_stats->ROCT_prio_0,
286 &mlx4_en_stats->ROCT_prio_1,
287 NUM_PRIORITIES);
288 stats->tx_bytes = en_stats_adder(&mlx4_en_stats->TOCT_prio_0,
289 &mlx4_en_stats->TOCT_prio_1,
290 NUM_PRIORITIES);
291 }
c27a02cd 292
a3333b35 293 /* net device stats */
c27a02cd 294 stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) +
c27a02cd
YP
295 be32_to_cpu(mlx4_en_stats->RJBBR) +
296 be32_to_cpu(mlx4_en_stats->RCRC) +
a3333b35
EBE
297 be32_to_cpu(mlx4_en_stats->RRUNT) +
298 be64_to_cpu(mlx4_en_stats->RInRangeLengthErr) +
299 be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr) +
300 be32_to_cpu(mlx4_en_stats->RSHORT) +
301 en_stats_adder(&mlx4_en_stats->RGIANT_prio_0,
302 &mlx4_en_stats->RGIANT_prio_1,
303 NUM_PRIORITIES);
304 stats->tx_errors = en_stats_adder(&mlx4_en_stats->TGIANT_prio_0,
305 &mlx4_en_stats->TGIANT_prio_1,
306 NUM_PRIORITIES);
307 stats->multicast = en_stats_adder(&mlx4_en_stats->MCAST_prio_0,
308 &mlx4_en_stats->MCAST_prio_1,
309 NUM_PRIORITIES);
d21ed3a3
EBE
310 stats->rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP) +
311 sw_rx_dropped;
c27a02cd 312 stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
c27a02cd 313 stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
c27a02cd 314 stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
40931b85
ED
315 stats->tx_dropped = be32_to_cpu(mlx4_en_stats->TDROP) +
316 sw_tx_dropped;
a3333b35
EBE
317
318 /* RX stats */
319 priv->pkstats.rx_multicast_packets = stats->multicast;
320 priv->pkstats.rx_broadcast_packets =
321 en_stats_adder(&mlx4_en_stats->RBCAST_prio_0,
322 &mlx4_en_stats->RBCAST_prio_1,
323 NUM_PRIORITIES);
324 priv->pkstats.rx_jabbers = be32_to_cpu(mlx4_en_stats->RJBBR);
325 priv->pkstats.rx_in_range_length_error =
326 be64_to_cpu(mlx4_en_stats->RInRangeLengthErr);
327 priv->pkstats.rx_out_range_length_error =
328 be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr);
329
330 /* Tx stats */
331 priv->pkstats.tx_multicast_packets =
332 en_stats_adder(&mlx4_en_stats->TMCAST_prio_0,
333 &mlx4_en_stats->TMCAST_prio_1,
334 NUM_PRIORITIES);
335 priv->pkstats.tx_broadcast_packets =
336 en_stats_adder(&mlx4_en_stats->TBCAST_prio_0,
337 &mlx4_en_stats->TBCAST_prio_1,
338 NUM_PRIORITIES);
339
340 priv->pkstats.rx_prio[0][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0);
341 priv->pkstats.rx_prio[0][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_0);
342 priv->pkstats.rx_prio[1][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1);
343 priv->pkstats.rx_prio[1][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_1);
344 priv->pkstats.rx_prio[2][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2);
345 priv->pkstats.rx_prio[2][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_2);
346 priv->pkstats.rx_prio[3][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3);
347 priv->pkstats.rx_prio[3][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_3);
348 priv->pkstats.rx_prio[4][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4);
349 priv->pkstats.rx_prio[4][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_4);
350 priv->pkstats.rx_prio[5][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5);
351 priv->pkstats.rx_prio[5][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_5);
352 priv->pkstats.rx_prio[6][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6);
353 priv->pkstats.rx_prio[6][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_6);
354 priv->pkstats.rx_prio[7][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7);
355 priv->pkstats.rx_prio[7][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_7);
356 priv->pkstats.rx_prio[8][0] = be64_to_cpu(mlx4_en_stats->RTOT_novlan);
357 priv->pkstats.rx_prio[8][1] = be64_to_cpu(mlx4_en_stats->ROCT_novlan);
358 priv->pkstats.tx_prio[0][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0);
359 priv->pkstats.tx_prio[0][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_0);
360 priv->pkstats.tx_prio[1][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1);
361 priv->pkstats.tx_prio[1][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_1);
362 priv->pkstats.tx_prio[2][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2);
363 priv->pkstats.tx_prio[2][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_2);
364 priv->pkstats.tx_prio[3][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3);
365 priv->pkstats.tx_prio[3][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_3);
366 priv->pkstats.tx_prio[4][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4);
367 priv->pkstats.tx_prio[4][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_4);
368 priv->pkstats.tx_prio[5][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5);
369 priv->pkstats.tx_prio[5][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_5);
370 priv->pkstats.tx_prio[6][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6);
371 priv->pkstats.tx_prio[6][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_6);
372 priv->pkstats.tx_prio[7][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7);
373 priv->pkstats.tx_prio[7][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_7);
374 priv->pkstats.tx_prio[8][0] = be64_to_cpu(mlx4_en_stats->TTOT_novlan);
375 priv->pkstats.tx_prio[8][1] = be64_to_cpu(mlx4_en_stats->TOCT_novlan);
c27a02cd 376
b42de4d0
EBE
377 if (tmp_counter_stats.counter_mode == 0) {
378 priv->pf_stats.rx_bytes = be64_to_cpu(tmp_counter_stats.rx_bytes);
379 priv->pf_stats.tx_bytes = be64_to_cpu(tmp_counter_stats.tx_bytes);
380 priv->pf_stats.rx_packets = be64_to_cpu(tmp_counter_stats.rx_frames);
381 priv->pf_stats.tx_packets = be64_to_cpu(tmp_counter_stats.tx_frames);
382 }
383
0b131561
MB
384 for (i = 0; i < MLX4_NUM_PRIORITIES; i++) {
385 priv->rx_priority_flowstats[i].rx_pause =
386 be64_to_cpu(flowstats[i].rx_pause);
387 priv->rx_priority_flowstats[i].rx_pause_duration =
388 be64_to_cpu(flowstats[i].rx_pause_duration);
389 priv->rx_priority_flowstats[i].rx_pause_transition =
390 be64_to_cpu(flowstats[i].rx_pause_transition);
391 priv->tx_priority_flowstats[i].tx_pause =
392 be64_to_cpu(flowstats[i].tx_pause);
393 priv->tx_priority_flowstats[i].tx_pause_duration =
394 be64_to_cpu(flowstats[i].tx_pause_duration);
395 priv->tx_priority_flowstats[i].tx_pause_transition =
396 be64_to_cpu(flowstats[i].tx_pause_transition);
397 }
398
399 /* if pfc is not in use, all priorities counters have the same value */
400 priv->rx_flowstats.rx_pause =
401 be64_to_cpu(flowstats[0].rx_pause);
402 priv->rx_flowstats.rx_pause_duration =
403 be64_to_cpu(flowstats[0].rx_pause_duration);
404 priv->rx_flowstats.rx_pause_transition =
405 be64_to_cpu(flowstats[0].rx_pause_transition);
406 priv->tx_flowstats.tx_pause =
407 be64_to_cpu(flowstats[0].tx_pause);
408 priv->tx_flowstats.tx_pause_duration =
409 be64_to_cpu(flowstats[0].tx_pause_duration);
410 priv->tx_flowstats.tx_pause_transition =
411 be64_to_cpu(flowstats[0].tx_pause_transition);
412
413 spin_unlock_bh(&priv->stats_lock);
414
c27a02cd
YP
415out:
416 mlx4_free_cmd_mailbox(mdev->dev, mailbox);
5a1647c3 417 mlx4_free_cmd_mailbox(mdev->dev, mailbox_priority);
c27a02cd
YP
418 return err;
419}
420