qlge_ethtool.c 10.7 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/list.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/pagemap.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/dmapool.h>
#include <linux/mempool.h>
#include <linux/spinlock.h>
#include <linux/kthread.h>
#include <linux/interrupt.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <net/ipv6.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/mm.h>
#include <linux/vmalloc.h>

#include <linux/version.h>

#include "qlge.h"

static int ql_update_ring_coalescing(struct ql_adapter *qdev)
{
	int i, status = 0;
	struct rx_ring *rx_ring;
	struct cqicb *cqicb;

	if (!netif_running(qdev->ndev))
		return status;

	spin_lock(&qdev->hw_lock);
	/* Skip the default queue, and update the outbound handler
	 * queues if they changed.
	 */
	cqicb = (struct cqicb *)&qdev->rx_ring[1];
	if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
	    le16_to_cpu(cqicb->pkt_delay) != qdev->tx_max_coalesced_frames) {
		for (i = 1; i < qdev->rss_ring_first_cq_id; i++, rx_ring++) {
			rx_ring = &qdev->rx_ring[i];
			cqicb = (struct cqicb *)rx_ring;
			cqicb->irq_delay = le16_to_cpu(qdev->tx_coalesce_usecs);
			cqicb->pkt_delay =
			    le16_to_cpu(qdev->tx_max_coalesced_frames);
			cqicb->flags = FLAGS_LI;
			status = ql_write_cfg(qdev, cqicb, sizeof(cqicb),
						CFG_LCQ, rx_ring->cq_id);
			if (status) {
				QPRINTK(qdev, IFUP, ERR,
					"Failed to load CQICB.\n");
				goto exit;
			}
		}
	}

	/* Update the inbound (RSS) handler queues if they changed. */
	cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_first_cq_id];
	if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
	    le16_to_cpu(cqicb->pkt_delay) != qdev->rx_max_coalesced_frames) {
		for (i = qdev->rss_ring_first_cq_id;
		     i <= qdev->rss_ring_first_cq_id + qdev->rss_ring_count;
		     i++) {
			rx_ring = &qdev->rx_ring[i];
			cqicb = (struct cqicb *)rx_ring;
			cqicb->irq_delay = le16_to_cpu(qdev->rx_coalesce_usecs);
			cqicb->pkt_delay =
			    le16_to_cpu(qdev->rx_max_coalesced_frames);
			cqicb->flags = FLAGS_LI;
			status = ql_write_cfg(qdev, cqicb, sizeof(cqicb),
						CFG_LCQ, rx_ring->cq_id);
			if (status) {
				QPRINTK(qdev, IFUP, ERR,
					"Failed to load CQICB.\n");
				goto exit;
			}
		}
	}
exit:
	spin_unlock(&qdev->hw_lock);
	return status;
}

void ql_update_stats(struct ql_adapter *qdev)
{
	u32 i;
	u64 data;
	u64 *iter = &qdev->nic_stats.tx_pkts;

	spin_lock(&qdev->stats_lock);
	if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) {
			QPRINTK(qdev, DRV, ERR,
				"Couldn't get xgmac sem.\n");
		goto quit;
	}
	/*
	 * Get TX statistics.
	 */
	for (i = 0x200; i < 0x280; i += 8) {
		if (ql_read_xgmac_reg64(qdev, i, &data)) {
			QPRINTK(qdev, DRV, ERR,
				"Error reading status register 0x%.04x.\n", i);
			goto end;
		} else
			*iter = data;
		iter++;
	}

	/*
	 * Get RX statistics.
	 */
	for (i = 0x300; i < 0x3d0; i += 8) {
		if (ql_read_xgmac_reg64(qdev, i, &data)) {
			QPRINTK(qdev, DRV, ERR,
				"Error reading status register 0x%.04x.\n", i);
			goto end;
		} else
			*iter = data;
		iter++;
	}

end:
	ql_sem_unlock(qdev, qdev->xg_sem_mask);
quit:
	spin_unlock(&qdev->stats_lock);

	QL_DUMP_STAT(qdev);

	return;
}

static char ql_stats_str_arr[][ETH_GSTRING_LEN] = {
	{"tx_pkts"},
	{"tx_bytes"},
	{"tx_mcast_pkts"},
	{"tx_bcast_pkts"},
	{"tx_ucast_pkts"},
	{"tx_ctl_pkts"},
	{"tx_pause_pkts"},
	{"tx_64_pkts"},
	{"tx_65_to_127_pkts"},
	{"tx_128_to_255_pkts"},
	{"tx_256_511_pkts"},
	{"tx_512_to_1023_pkts"},
	{"tx_1024_to_1518_pkts"},
	{"tx_1519_to_max_pkts"},
	{"tx_undersize_pkts"},
	{"tx_oversize_pkts"},
	{"rx_bytes"},
	{"rx_bytes_ok"},
	{"rx_pkts"},
	{"rx_pkts_ok"},
	{"rx_bcast_pkts"},
	{"rx_mcast_pkts"},
	{"rx_ucast_pkts"},
	{"rx_undersize_pkts"},
	{"rx_oversize_pkts"},
	{"rx_jabber_pkts"},
	{"rx_undersize_fcerr_pkts"},
	{"rx_drop_events"},
	{"rx_fcerr_pkts"},
	{"rx_align_err"},
	{"rx_symbol_err"},
	{"rx_mac_err"},
	{"rx_ctl_pkts"},
	{"rx_pause_pkts"},
	{"rx_64_pkts"},
	{"rx_65_to_127_pkts"},
	{"rx_128_255_pkts"},
	{"rx_256_511_pkts"},
	{"rx_512_to_1023_pkts"},
	{"rx_1024_to_1518_pkts"},
	{"rx_1519_to_max_pkts"},
	{"rx_len_err_pkts"},
};

static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
{
	switch (stringset) {
	case ETH_SS_STATS:
		memcpy(buf, ql_stats_str_arr, sizeof(ql_stats_str_arr));
		break;
	}
}

static int ql_get_sset_count(struct net_device *dev, int sset)
{
	switch (sset) {
	case ETH_SS_STATS:
		return ARRAY_SIZE(ql_stats_str_arr);
	default:
		return -EOPNOTSUPP;
	}
}

static void
ql_get_ethtool_stats(struct net_device *ndev,
		     struct ethtool_stats *stats, u64 *data)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	struct nic_stats *s = &qdev->nic_stats;

	ql_update_stats(qdev);

	*data++ = s->tx_pkts;
	*data++ = s->tx_bytes;
	*data++ = s->tx_mcast_pkts;
	*data++ = s->tx_bcast_pkts;
	*data++ = s->tx_ucast_pkts;
	*data++ = s->tx_ctl_pkts;
	*data++ = s->tx_pause_pkts;
	*data++ = s->tx_64_pkt;
	*data++ = s->tx_65_to_127_pkt;
	*data++ = s->tx_128_to_255_pkt;
	*data++ = s->tx_256_511_pkt;
	*data++ = s->tx_512_to_1023_pkt;
	*data++ = s->tx_1024_to_1518_pkt;
	*data++ = s->tx_1519_to_max_pkt;
	*data++ = s->tx_undersize_pkt;
	*data++ = s->tx_oversize_pkt;
	*data++ = s->rx_bytes;
	*data++ = s->rx_bytes_ok;
	*data++ = s->rx_pkts;
	*data++ = s->rx_pkts_ok;
	*data++ = s->rx_bcast_pkts;
	*data++ = s->rx_mcast_pkts;
	*data++ = s->rx_ucast_pkts;
	*data++ = s->rx_undersize_pkts;
	*data++ = s->rx_oversize_pkts;
	*data++ = s->rx_jabber_pkts;
	*data++ = s->rx_undersize_fcerr_pkts;
	*data++ = s->rx_drop_events;
	*data++ = s->rx_fcerr_pkts;
	*data++ = s->rx_align_err;
	*data++ = s->rx_symbol_err;
	*data++ = s->rx_mac_err;
	*data++ = s->rx_ctl_pkts;
	*data++ = s->rx_pause_pkts;
	*data++ = s->rx_64_pkts;
	*data++ = s->rx_65_to_127_pkts;
	*data++ = s->rx_128_255_pkts;
	*data++ = s->rx_256_511_pkts;
	*data++ = s->rx_512_to_1023_pkts;
	*data++ = s->rx_1024_to_1518_pkts;
	*data++ = s->rx_1519_to_max_pkts;
	*data++ = s->rx_len_err_pkts;
}

static int ql_get_settings(struct net_device *ndev,
			      struct ethtool_cmd *ecmd)
{
	struct ql_adapter *qdev = netdev_priv(ndev);

	ecmd->supported = SUPPORTED_10000baseT_Full;
	ecmd->advertising = ADVERTISED_10000baseT_Full;
	ecmd->autoneg = AUTONEG_ENABLE;
	ecmd->transceiver = XCVR_EXTERNAL;
	if ((qdev->link_status & LINK_TYPE_MASK) == LINK_TYPE_10GBASET) {
		ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
		ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
		ecmd->port = PORT_TP;
	} else {
		ecmd->supported |= SUPPORTED_FIBRE;
		ecmd->advertising |= ADVERTISED_FIBRE;
		ecmd->port = PORT_FIBRE;
	}

	ecmd->speed = SPEED_10000;
	ecmd->duplex = DUPLEX_FULL;

	return 0;
}

static void ql_get_drvinfo(struct net_device *ndev,
			   struct ethtool_drvinfo *drvinfo)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	strncpy(drvinfo->driver, qlge_driver_name, 32);
	strncpy(drvinfo->version, qlge_driver_version, 32);
	strncpy(drvinfo->fw_version, "N/A", 32);
	strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32);
	drvinfo->n_stats = 0;
	drvinfo->testinfo_len = 0;
	drvinfo->regdump_len = 0;
	drvinfo->eedump_len = 0;
}

static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
{
	struct ql_adapter *qdev = netdev_priv(dev);

	c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
	c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;

	/* This chip coalesces as follows:
	 * If a packet arrives, hold off interrupts until
	 * cqicb->int_delay expires, but if no other packets arrive don't
	 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
	 * timer to coalesce on a frame basis.  So, we have to take ethtool's
	 * max_coalesced_frames value and convert it to a delay in microseconds.
	 * We do this by using a basic thoughput of 1,000,000 frames per
	 * second @ (1024 bytes).  This means one frame per usec. So it's a
	 * simple one to one ratio.
	 */
	c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
	c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;

	return 0;
}

static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
{
	struct ql_adapter *qdev = netdev_priv(ndev);

	/* Validate user parameters. */
	if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
		return -EINVAL;
       /* Don't wait more than 10 usec. */
	if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
		return -EINVAL;
	if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
		return -EINVAL;
	if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
		return -EINVAL;

	/* Verify a change took place before updating the hardware. */
	if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
	    qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
	    qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
	    qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
		return 0;

	qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
	qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
	qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
	qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;

	return ql_update_ring_coalescing(qdev);
}

static u32 ql_get_rx_csum(struct net_device *netdev)
{
	struct ql_adapter *qdev = netdev_priv(netdev);
	return qdev->rx_csum;
}

static int ql_set_rx_csum(struct net_device *netdev, uint32_t data)
{
	struct ql_adapter *qdev = netdev_priv(netdev);
	qdev->rx_csum = data;
	return 0;
}

static int ql_set_tso(struct net_device *ndev, uint32_t data)
{

	if (data) {
		ndev->features |= NETIF_F_TSO;
		ndev->features |= NETIF_F_TSO6;
	} else {
		ndev->features &= ~NETIF_F_TSO;
		ndev->features &= ~NETIF_F_TSO6;
	}
	return 0;
}

static u32 ql_get_msglevel(struct net_device *ndev)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	return qdev->msg_enable;
}

static void ql_set_msglevel(struct net_device *ndev, u32 value)
{
	struct ql_adapter *qdev = netdev_priv(ndev);
	qdev->msg_enable = value;
}

const struct ethtool_ops qlge_ethtool_ops = {
	.get_settings = ql_get_settings,
	.get_drvinfo = ql_get_drvinfo,
	.get_msglevel = ql_get_msglevel,
	.set_msglevel = ql_set_msglevel,
	.get_link = ethtool_op_get_link,
	.get_rx_csum = ql_get_rx_csum,
	.set_rx_csum = ql_set_rx_csum,
	.get_tx_csum = ethtool_op_get_tx_csum,
	.get_sg = ethtool_op_get_sg,
	.set_sg = ethtool_op_set_sg,
	.get_tso = ethtool_op_get_tso,
	.set_tso = ql_set_tso,
	.get_coalesce = ql_get_coalesce,
	.set_coalesce = ql_set_coalesce,
	.get_sset_count = ql_get_sset_count,
	.get_strings = ql_get_strings,
	.get_ethtool_stats = ql_get_ethtool_stats,
};