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
44int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv)
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;
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);
65	}
66	err = mlx4_cmd(dev, mailbox->dma, priv->port, 0, MLX4_CMD_SET_VLAN_FLTR,
67		       MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
68	mlx4_free_cmd_mailbox(dev, mailbox);
69	return err;
70}
71
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);
83	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
84			   MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
85			   MLX4_CMD_WRAPPED);
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);
93	switch (qport_context->link_speed & MLX4_EN_SPEED_MASK) {
94	case MLX4_EN_100M_SPEED:
95		state->link_speed = SPEED_100;
96		break;
97	case MLX4_EN_1G_SPEED:
98		state->link_speed = SPEED_1000;
99		break;
100	case MLX4_EN_10G_SPEED_XAUI:
101	case MLX4_EN_10G_SPEED_XFI:
102		state->link_speed = SPEED_10000;
103		break;
104	case MLX4_EN_20G_SPEED:
105		state->link_speed = SPEED_20000;
106		break;
107	case MLX4_EN_40G_SPEED:
108		state->link_speed = SPEED_40000;
109		break;
110	case MLX4_EN_56G_SPEED:
111		state->link_speed = SPEED_56000;
112		break;
113	default:
114		state->link_speed = -1;
115		break;
116	}
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;
125
126out:
127	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
128	return err;
129}
130
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
142	for (i = 0; i < num; i++) {
143		ret += be64_to_cpu(*curr);
144		curr += offset;
145	}
146
147	return ret;
148}
149
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
157	if (!priv->port_up || mlx4_is_master(mdev->dev))
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
183int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
184{
185	struct mlx4_counter tmp_counter_stats;
186	struct mlx4_en_stat_out_mbox *mlx4_en_stats;
187	struct mlx4_en_stat_out_flow_control_mbox *flowstats;
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;
191	struct mlx4_cmd_mailbox *mailbox, *mailbox_priority;
192	u64 in_mod = reset << 8 | port;
193	int err;
194	int i, counter_index;
195	unsigned long sw_tx_dropped = 0;
196	unsigned long sw_rx_dropped = 0;
197
198	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
199	if (IS_ERR(mailbox))
200		return PTR_ERR(mailbox);
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
208	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0,
209			   MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B,
210			   MLX4_CMD_NATIVE);
211	if (err)
212		goto out;
213
214	mlx4_en_stats = mailbox->buf;
215
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
238	spin_lock_bh(&priv->stats_lock);
239
240	mlx4_en_fold_software_stats(dev);
241
242	priv->port_stats.rx_chksum_good = 0;
243	priv->port_stats.rx_chksum_none = 0;
244	priv->port_stats.rx_chksum_complete = 0;
245	priv->port_stats.rx_alloc_pages = 0;
246	priv->xdp_stats.rx_xdp_drop    = 0;
247	priv->xdp_stats.rx_xdp_redirect = 0;
248	priv->xdp_stats.rx_xdp_redirect_fail = 0;
249	priv->xdp_stats.rx_xdp_tx      = 0;
250	priv->xdp_stats.rx_xdp_tx_full = 0;
251	for (i = 0; i < priv->rx_ring_num; i++) {
252		const struct mlx4_en_rx_ring *ring = priv->rx_ring[i];
253
254		sw_rx_dropped			+= READ_ONCE(ring->dropped);
255		priv->port_stats.rx_chksum_good += READ_ONCE(ring->csum_ok);
256		priv->port_stats.rx_chksum_none += READ_ONCE(ring->csum_none);
257		priv->port_stats.rx_chksum_complete += READ_ONCE(ring->csum_complete);
258		priv->port_stats.rx_alloc_pages += READ_ONCE(ring->rx_alloc_pages);
259		priv->xdp_stats.rx_xdp_drop	+= READ_ONCE(ring->xdp_drop);
260		priv->xdp_stats.rx_xdp_redirect += READ_ONCE(ring->xdp_redirect);
261		priv->xdp_stats.rx_xdp_redirect_fail += READ_ONCE(ring->xdp_redirect_fail);
262		priv->xdp_stats.rx_xdp_tx	+= READ_ONCE(ring->xdp_tx);
263		priv->xdp_stats.rx_xdp_tx_full	+= READ_ONCE(ring->xdp_tx_full);
264	}
265	priv->port_stats.tx_chksum_offload = 0;
266	priv->port_stats.queue_stopped = 0;
267	priv->port_stats.wake_queue = 0;
268	priv->port_stats.tso_packets = 0;
269	priv->port_stats.xmit_more = 0;
270
271	for (i = 0; i < priv->tx_ring_num[TX]; i++) {
272		const struct mlx4_en_tx_ring *ring = priv->tx_ring[TX][i];
273
274		sw_tx_dropped			   += READ_ONCE(ring->tx_dropped);
275		priv->port_stats.tx_chksum_offload += READ_ONCE(ring->tx_csum);
276		priv->port_stats.queue_stopped     += READ_ONCE(ring->queue_stopped);
277		priv->port_stats.wake_queue        += READ_ONCE(ring->wake_queue);
278		priv->port_stats.tso_packets       += READ_ONCE(ring->tso_packets);
279		priv->port_stats.xmit_more         += READ_ONCE(ring->xmit_more);
280	}
281
282	if (!mlx4_is_slave(mdev->dev)) {
283		struct mlx4_en_phy_stats *p_stats = &priv->phy_stats;
284
285		p_stats->rx_packets_phy =
286			en_stats_adder(&mlx4_en_stats->RTOT_prio_0,
287				       &mlx4_en_stats->RTOT_prio_1,
288				       NUM_PRIORITIES);
289		p_stats->tx_packets_phy =
290			en_stats_adder(&mlx4_en_stats->TTOT_prio_0,
291				       &mlx4_en_stats->TTOT_prio_1,
292				       NUM_PRIORITIES);
293		p_stats->rx_bytes_phy =
294			en_stats_adder(&mlx4_en_stats->ROCT_prio_0,
295				       &mlx4_en_stats->ROCT_prio_1,
296				       NUM_PRIORITIES);
297		p_stats->tx_bytes_phy =
298			en_stats_adder(&mlx4_en_stats->TOCT_prio_0,
299				       &mlx4_en_stats->TOCT_prio_1,
300				       NUM_PRIORITIES);
301		if (mlx4_is_master(mdev->dev)) {
302			stats->rx_packets = p_stats->rx_packets_phy;
303			stats->tx_packets = p_stats->tx_packets_phy;
304			stats->rx_bytes = p_stats->rx_bytes_phy;
305			stats->tx_bytes = p_stats->tx_bytes_phy;
306		}
307	}
308
309	/* net device stats */
310	stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) +
311			   be32_to_cpu(mlx4_en_stats->RJBBR) +
312			   be32_to_cpu(mlx4_en_stats->RCRC) +
313			   be32_to_cpu(mlx4_en_stats->RRUNT) +
314			   be64_to_cpu(mlx4_en_stats->RInRangeLengthErr) +
315			   be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr) +
316			   be32_to_cpu(mlx4_en_stats->RSHORT) +
317			   en_stats_adder(&mlx4_en_stats->RGIANT_prio_0,
318					  &mlx4_en_stats->RGIANT_prio_1,
319					  NUM_PRIORITIES);
320	stats->tx_errors = en_stats_adder(&mlx4_en_stats->TGIANT_prio_0,
321					  &mlx4_en_stats->TGIANT_prio_1,
322					  NUM_PRIORITIES);
323	stats->multicast = en_stats_adder(&mlx4_en_stats->MCAST_prio_0,
324					  &mlx4_en_stats->MCAST_prio_1,
325					  NUM_PRIORITIES);
326	stats->rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP) +
327			    sw_rx_dropped;
328	stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
329	stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
330	stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
331	stats->tx_dropped = be32_to_cpu(mlx4_en_stats->TDROP) +
332			    sw_tx_dropped;
333
334	/* RX stats */
335	priv->pkstats.rx_multicast_packets = stats->multicast;
336	priv->pkstats.rx_broadcast_packets =
337			en_stats_adder(&mlx4_en_stats->RBCAST_prio_0,
338				       &mlx4_en_stats->RBCAST_prio_1,
339				       NUM_PRIORITIES);
340	priv->pkstats.rx_jabbers = be32_to_cpu(mlx4_en_stats->RJBBR);
341	priv->pkstats.rx_in_range_length_error =
342		be64_to_cpu(mlx4_en_stats->RInRangeLengthErr);
343	priv->pkstats.rx_out_range_length_error =
344		be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr);
345
346	/* Tx stats */
347	priv->pkstats.tx_multicast_packets =
348		en_stats_adder(&mlx4_en_stats->TMCAST_prio_0,
349			       &mlx4_en_stats->TMCAST_prio_1,
350			       NUM_PRIORITIES);
351	priv->pkstats.tx_broadcast_packets =
352		en_stats_adder(&mlx4_en_stats->TBCAST_prio_0,
353			       &mlx4_en_stats->TBCAST_prio_1,
354			       NUM_PRIORITIES);
355
356	priv->pkstats.rx_prio[0][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0);
357	priv->pkstats.rx_prio[0][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_0);
358	priv->pkstats.rx_prio[1][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1);
359	priv->pkstats.rx_prio[1][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_1);
360	priv->pkstats.rx_prio[2][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2);
361	priv->pkstats.rx_prio[2][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_2);
362	priv->pkstats.rx_prio[3][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3);
363	priv->pkstats.rx_prio[3][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_3);
364	priv->pkstats.rx_prio[4][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4);
365	priv->pkstats.rx_prio[4][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_4);
366	priv->pkstats.rx_prio[5][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5);
367	priv->pkstats.rx_prio[5][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_5);
368	priv->pkstats.rx_prio[6][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6);
369	priv->pkstats.rx_prio[6][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_6);
370	priv->pkstats.rx_prio[7][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7);
371	priv->pkstats.rx_prio[7][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_7);
372	priv->pkstats.rx_prio[8][0] = be64_to_cpu(mlx4_en_stats->RTOT_novlan);
373	priv->pkstats.rx_prio[8][1] = be64_to_cpu(mlx4_en_stats->ROCT_novlan);
374	priv->pkstats.tx_prio[0][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0);
375	priv->pkstats.tx_prio[0][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_0);
376	priv->pkstats.tx_prio[1][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1);
377	priv->pkstats.tx_prio[1][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_1);
378	priv->pkstats.tx_prio[2][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2);
379	priv->pkstats.tx_prio[2][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_2);
380	priv->pkstats.tx_prio[3][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3);
381	priv->pkstats.tx_prio[3][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_3);
382	priv->pkstats.tx_prio[4][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4);
383	priv->pkstats.tx_prio[4][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_4);
384	priv->pkstats.tx_prio[5][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5);
385	priv->pkstats.tx_prio[5][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_5);
386	priv->pkstats.tx_prio[6][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6);
387	priv->pkstats.tx_prio[6][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_6);
388	priv->pkstats.tx_prio[7][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7);
389	priv->pkstats.tx_prio[7][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_7);
390	priv->pkstats.tx_prio[8][0] = be64_to_cpu(mlx4_en_stats->TTOT_novlan);
391	priv->pkstats.tx_prio[8][1] = be64_to_cpu(mlx4_en_stats->TOCT_novlan);
392
393	if (tmp_counter_stats.counter_mode == 0) {
394		priv->pf_stats.rx_bytes   = be64_to_cpu(tmp_counter_stats.rx_bytes);
395		priv->pf_stats.tx_bytes   = be64_to_cpu(tmp_counter_stats.tx_bytes);
396		priv->pf_stats.rx_packets = be64_to_cpu(tmp_counter_stats.rx_frames);
397		priv->pf_stats.tx_packets = be64_to_cpu(tmp_counter_stats.tx_frames);
398	}
399
400	for (i = 0; i < MLX4_NUM_PRIORITIES; i++)	{
401		priv->rx_priority_flowstats[i].rx_pause =
402			be64_to_cpu(flowstats[i].rx_pause);
403		priv->rx_priority_flowstats[i].rx_pause_duration =
404			be64_to_cpu(flowstats[i].rx_pause_duration);
405		priv->rx_priority_flowstats[i].rx_pause_transition =
406			be64_to_cpu(flowstats[i].rx_pause_transition);
407		priv->tx_priority_flowstats[i].tx_pause =
408			be64_to_cpu(flowstats[i].tx_pause);
409		priv->tx_priority_flowstats[i].tx_pause_duration =
410			be64_to_cpu(flowstats[i].tx_pause_duration);
411		priv->tx_priority_flowstats[i].tx_pause_transition =
412			be64_to_cpu(flowstats[i].tx_pause_transition);
413	}
414
415	/* if pfc is not in use, all priorities counters have the same value */
416	priv->rx_flowstats.rx_pause =
417		be64_to_cpu(flowstats[0].rx_pause);
418	priv->rx_flowstats.rx_pause_duration =
419		be64_to_cpu(flowstats[0].rx_pause_duration);
420	priv->rx_flowstats.rx_pause_transition =
421		be64_to_cpu(flowstats[0].rx_pause_transition);
422	priv->tx_flowstats.tx_pause =
423		be64_to_cpu(flowstats[0].tx_pause);
424	priv->tx_flowstats.tx_pause_duration =
425		be64_to_cpu(flowstats[0].tx_pause_duration);
426	priv->tx_flowstats.tx_pause_transition =
427		be64_to_cpu(flowstats[0].tx_pause_transition);
428
429	spin_unlock_bh(&priv->stats_lock);
430
431out:
432	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
433	mlx4_free_cmd_mailbox(mdev->dev, mailbox_priority);
434	return err;
435}
436
437