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path: root/drivers/net/qlge/qlge_ethtool.c
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Diffstat (limited to 'drivers/net/qlge/qlge_ethtool.c')
-rw-r--r--drivers/net/qlge/qlge_ethtool.c415
1 files changed, 415 insertions, 0 deletions
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
new file mode 100644
index 000000000000..6457f8c4fdaa
--- /dev/null
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -0,0 +1,415 @@
1#include <linux/kernel.h>
2#include <linux/init.h>
3#include <linux/types.h>
4#include <linux/module.h>
5#include <linux/list.h>
6#include <linux/pci.h>
7#include <linux/dma-mapping.h>
8#include <linux/pagemap.h>
9#include <linux/sched.h>
10#include <linux/slab.h>
11#include <linux/dmapool.h>
12#include <linux/mempool.h>
13#include <linux/spinlock.h>
14#include <linux/kthread.h>
15#include <linux/interrupt.h>
16#include <linux/errno.h>
17#include <linux/ioport.h>
18#include <linux/in.h>
19#include <linux/ip.h>
20#include <linux/ipv6.h>
21#include <net/ipv6.h>
22#include <linux/tcp.h>
23#include <linux/udp.h>
24#include <linux/if_arp.h>
25#include <linux/if_ether.h>
26#include <linux/netdevice.h>
27#include <linux/etherdevice.h>
28#include <linux/ethtool.h>
29#include <linux/skbuff.h>
30#include <linux/rtnetlink.h>
31#include <linux/if_vlan.h>
32#include <linux/init.h>
33#include <linux/delay.h>
34#include <linux/mm.h>
35#include <linux/vmalloc.h>
36
37#include <linux/version.h>
38
39#include "qlge.h"
40
41static int ql_update_ring_coalescing(struct ql_adapter *qdev)
42{
43 int i, status = 0;
44 struct rx_ring *rx_ring;
45 struct cqicb *cqicb;
46
47 if (!netif_running(qdev->ndev))
48 return status;
49
50 spin_lock(&qdev->hw_lock);
51 /* Skip the default queue, and update the outbound handler
52 * queues if they changed.
53 */
54 cqicb = (struct cqicb *)&qdev->rx_ring[1];
55 if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
56 le16_to_cpu(cqicb->pkt_delay) != qdev->tx_max_coalesced_frames) {
57 for (i = 1; i < qdev->rss_ring_first_cq_id; i++, rx_ring++) {
58 rx_ring = &qdev->rx_ring[i];
59 cqicb = (struct cqicb *)rx_ring;
60 cqicb->irq_delay = le16_to_cpu(qdev->tx_coalesce_usecs);
61 cqicb->pkt_delay =
62 le16_to_cpu(qdev->tx_max_coalesced_frames);
63 cqicb->flags = FLAGS_LI;
64 status = ql_write_cfg(qdev, cqicb, sizeof(cqicb),
65 CFG_LCQ, rx_ring->cq_id);
66 if (status) {
67 QPRINTK(qdev, IFUP, ERR,
68 "Failed to load CQICB.\n");
69 goto exit;
70 }
71 }
72 }
73
74 /* Update the inbound (RSS) handler queues if they changed. */
75 cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_first_cq_id];
76 if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
77 le16_to_cpu(cqicb->pkt_delay) != qdev->rx_max_coalesced_frames) {
78 for (i = qdev->rss_ring_first_cq_id;
79 i <= qdev->rss_ring_first_cq_id + qdev->rss_ring_count;
80 i++) {
81 rx_ring = &qdev->rx_ring[i];
82 cqicb = (struct cqicb *)rx_ring;
83 cqicb->irq_delay = le16_to_cpu(qdev->rx_coalesce_usecs);
84 cqicb->pkt_delay =
85 le16_to_cpu(qdev->rx_max_coalesced_frames);
86 cqicb->flags = FLAGS_LI;
87 status = ql_write_cfg(qdev, cqicb, sizeof(cqicb),
88 CFG_LCQ, rx_ring->cq_id);
89 if (status) {
90 QPRINTK(qdev, IFUP, ERR,
91 "Failed to load CQICB.\n");
92 goto exit;
93 }
94 }
95 }
96exit:
97 spin_unlock(&qdev->hw_lock);
98 return status;
99}
100
101void ql_update_stats(struct ql_adapter *qdev)
102{
103 u32 i;
104 u64 data;
105 u64 *iter = &qdev->nic_stats.tx_pkts;
106
107 spin_lock(&qdev->stats_lock);
108 if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) {
109 QPRINTK(qdev, DRV, ERR,
110 "Couldn't get xgmac sem.\n");
111 goto quit;
112 }
113 /*
114 * Get TX statistics.
115 */
116 for (i = 0x200; i < 0x280; i += 8) {
117 if (ql_read_xgmac_reg64(qdev, i, &data)) {
118 QPRINTK(qdev, DRV, ERR,
119 "Error reading status register 0x%.04x.\n", i);
120 goto end;
121 } else
122 *iter = data;
123 iter++;
124 }
125
126 /*
127 * Get RX statistics.
128 */
129 for (i = 0x300; i < 0x3d0; i += 8) {
130 if (ql_read_xgmac_reg64(qdev, i, &data)) {
131 QPRINTK(qdev, DRV, ERR,
132 "Error reading status register 0x%.04x.\n", i);
133 goto end;
134 } else
135 *iter = data;
136 iter++;
137 }
138
139end:
140 ql_sem_unlock(qdev, qdev->xg_sem_mask);
141quit:
142 spin_unlock(&qdev->stats_lock);
143
144 QL_DUMP_STAT(qdev);
145
146 return;
147}
148
149static char ql_stats_str_arr[][ETH_GSTRING_LEN] = {
150 {"tx_pkts"},
151 {"tx_bytes"},
152 {"tx_mcast_pkts"},
153 {"tx_bcast_pkts"},
154 {"tx_ucast_pkts"},
155 {"tx_ctl_pkts"},
156 {"tx_pause_pkts"},
157 {"tx_64_pkts"},
158 {"tx_65_to_127_pkts"},
159 {"tx_128_to_255_pkts"},
160 {"tx_256_511_pkts"},
161 {"tx_512_to_1023_pkts"},
162 {"tx_1024_to_1518_pkts"},
163 {"tx_1519_to_max_pkts"},
164 {"tx_undersize_pkts"},
165 {"tx_oversize_pkts"},
166 {"rx_bytes"},
167 {"rx_bytes_ok"},
168 {"rx_pkts"},
169 {"rx_pkts_ok"},
170 {"rx_bcast_pkts"},
171 {"rx_mcast_pkts"},
172 {"rx_ucast_pkts"},
173 {"rx_undersize_pkts"},
174 {"rx_oversize_pkts"},
175 {"rx_jabber_pkts"},
176 {"rx_undersize_fcerr_pkts"},
177 {"rx_drop_events"},
178 {"rx_fcerr_pkts"},
179 {"rx_align_err"},
180 {"rx_symbol_err"},
181 {"rx_mac_err"},
182 {"rx_ctl_pkts"},
183 {"rx_pause_pkts"},
184 {"rx_64_pkts"},
185 {"rx_65_to_127_pkts"},
186 {"rx_128_255_pkts"},
187 {"rx_256_511_pkts"},
188 {"rx_512_to_1023_pkts"},
189 {"rx_1024_to_1518_pkts"},
190 {"rx_1519_to_max_pkts"},
191 {"rx_len_err_pkts"},
192};
193
194static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
195{
196 switch (stringset) {
197 case ETH_SS_STATS:
198 memcpy(buf, ql_stats_str_arr, sizeof(ql_stats_str_arr));
199 break;
200 }
201}
202
203static int ql_get_sset_count(struct net_device *dev, int sset)
204{
205 switch (sset) {
206 case ETH_SS_STATS:
207 return ARRAY_SIZE(ql_stats_str_arr);
208 default:
209 return -EOPNOTSUPP;
210 }
211}
212
213static void
214ql_get_ethtool_stats(struct net_device *ndev,
215 struct ethtool_stats *stats, u64 *data)
216{
217 struct ql_adapter *qdev = netdev_priv(ndev);
218 struct nic_stats *s = &qdev->nic_stats;
219
220 ql_update_stats(qdev);
221
222 *data++ = s->tx_pkts;
223 *data++ = s->tx_bytes;
224 *data++ = s->tx_mcast_pkts;
225 *data++ = s->tx_bcast_pkts;
226 *data++ = s->tx_ucast_pkts;
227 *data++ = s->tx_ctl_pkts;
228 *data++ = s->tx_pause_pkts;
229 *data++ = s->tx_64_pkt;
230 *data++ = s->tx_65_to_127_pkt;
231 *data++ = s->tx_128_to_255_pkt;
232 *data++ = s->tx_256_511_pkt;
233 *data++ = s->tx_512_to_1023_pkt;
234 *data++ = s->tx_1024_to_1518_pkt;
235 *data++ = s->tx_1519_to_max_pkt;
236 *data++ = s->tx_undersize_pkt;
237 *data++ = s->tx_oversize_pkt;
238 *data++ = s->rx_bytes;
239 *data++ = s->rx_bytes_ok;
240 *data++ = s->rx_pkts;
241 *data++ = s->rx_pkts_ok;
242 *data++ = s->rx_bcast_pkts;
243 *data++ = s->rx_mcast_pkts;
244 *data++ = s->rx_ucast_pkts;
245 *data++ = s->rx_undersize_pkts;
246 *data++ = s->rx_oversize_pkts;
247 *data++ = s->rx_jabber_pkts;
248 *data++ = s->rx_undersize_fcerr_pkts;
249 *data++ = s->rx_drop_events;
250 *data++ = s->rx_fcerr_pkts;
251 *data++ = s->rx_align_err;
252 *data++ = s->rx_symbol_err;
253 *data++ = s->rx_mac_err;
254 *data++ = s->rx_ctl_pkts;
255 *data++ = s->rx_pause_pkts;
256 *data++ = s->rx_64_pkts;
257 *data++ = s->rx_65_to_127_pkts;
258 *data++ = s->rx_128_255_pkts;
259 *data++ = s->rx_256_511_pkts;
260 *data++ = s->rx_512_to_1023_pkts;
261 *data++ = s->rx_1024_to_1518_pkts;
262 *data++ = s->rx_1519_to_max_pkts;
263 *data++ = s->rx_len_err_pkts;
264}
265
266static int ql_get_settings(struct net_device *ndev,
267 struct ethtool_cmd *ecmd)
268{
269 struct ql_adapter *qdev = netdev_priv(ndev);
270
271 ecmd->supported = SUPPORTED_10000baseT_Full;
272 ecmd->advertising = ADVERTISED_10000baseT_Full;
273 ecmd->autoneg = AUTONEG_ENABLE;
274 ecmd->transceiver = XCVR_EXTERNAL;
275 if ((qdev->link_status & LINK_TYPE_MASK) == LINK_TYPE_10GBASET) {
276 ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
277 ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
278 ecmd->port = PORT_TP;
279 } else {
280 ecmd->supported |= SUPPORTED_FIBRE;
281 ecmd->advertising |= ADVERTISED_FIBRE;
282 ecmd->port = PORT_FIBRE;
283 }
284
285 ecmd->speed = SPEED_10000;
286 ecmd->duplex = DUPLEX_FULL;
287
288 return 0;
289}
290
291static void ql_get_drvinfo(struct net_device *ndev,
292 struct ethtool_drvinfo *drvinfo)
293{
294 struct ql_adapter *qdev = netdev_priv(ndev);
295 strncpy(drvinfo->driver, qlge_driver_name, 32);
296 strncpy(drvinfo->version, qlge_driver_version, 32);
297 strncpy(drvinfo->fw_version, "N/A", 32);
298 strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32);
299 drvinfo->n_stats = 0;
300 drvinfo->testinfo_len = 0;
301 drvinfo->regdump_len = 0;
302 drvinfo->eedump_len = 0;
303}
304
305static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
306{
307 struct ql_adapter *qdev = netdev_priv(dev);
308
309 c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
310 c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;
311
312 /* This chip coalesces as follows:
313 * If a packet arrives, hold off interrupts until
314 * cqicb->int_delay expires, but if no other packets arrive don't
315 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
316 * timer to coalesce on a frame basis. So, we have to take ethtool's
317 * max_coalesced_frames value and convert it to a delay in microseconds.
318 * We do this by using a basic thoughput of 1,000,000 frames per
319 * second @ (1024 bytes). This means one frame per usec. So it's a
320 * simple one to one ratio.
321 */
322 c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
323 c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;
324
325 return 0;
326}
327
328static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
329{
330 struct ql_adapter *qdev = netdev_priv(ndev);
331
332 /* Validate user parameters. */
333 if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
334 return -EINVAL;
335 /* Don't wait more than 10 usec. */
336 if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
337 return -EINVAL;
338 if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
339 return -EINVAL;
340 if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
341 return -EINVAL;
342
343 /* Verify a change took place before updating the hardware. */
344 if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
345 qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
346 qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
347 qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
348 return 0;
349
350 qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
351 qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
352 qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
353 qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;
354
355 return ql_update_ring_coalescing(qdev);
356}
357
358static u32 ql_get_rx_csum(struct net_device *netdev)
359{
360 struct ql_adapter *qdev = netdev_priv(netdev);
361 return qdev->rx_csum;
362}
363
364static int ql_set_rx_csum(struct net_device *netdev, uint32_t data)
365{
366 struct ql_adapter *qdev = netdev_priv(netdev);
367 qdev->rx_csum = data;
368 return 0;
369}
370
371static int ql_set_tso(struct net_device *ndev, uint32_t data)
372{
373
374 if (data) {
375 ndev->features |= NETIF_F_TSO;
376 ndev->features |= NETIF_F_TSO6;
377 } else {
378 ndev->features &= ~NETIF_F_TSO;
379 ndev->features &= ~NETIF_F_TSO6;
380 }
381 return 0;
382}
383
384static u32 ql_get_msglevel(struct net_device *ndev)
385{
386 struct ql_adapter *qdev = netdev_priv(ndev);
387 return qdev->msg_enable;
388}
389
390static void ql_set_msglevel(struct net_device *ndev, u32 value)
391{
392 struct ql_adapter *qdev = netdev_priv(ndev);
393 qdev->msg_enable = value;
394}
395
396const struct ethtool_ops qlge_ethtool_ops = {
397 .get_settings = ql_get_settings,
398 .get_drvinfo = ql_get_drvinfo,
399 .get_msglevel = ql_get_msglevel,
400 .set_msglevel = ql_set_msglevel,
401 .get_link = ethtool_op_get_link,
402 .get_rx_csum = ql_get_rx_csum,
403 .set_rx_csum = ql_set_rx_csum,
404 .get_tx_csum = ethtool_op_get_tx_csum,
405 .get_sg = ethtool_op_get_sg,
406 .set_sg = ethtool_op_set_sg,
407 .get_tso = ethtool_op_get_tso,
408 .set_tso = ql_set_tso,
409 .get_coalesce = ql_get_coalesce,
410 .set_coalesce = ql_set_coalesce,
411 .get_sset_count = ql_get_sset_count,
412 .get_strings = ql_get_strings,
413 .get_ethtool_stats = ql_get_ethtool_stats,
414};
415
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-23 05:50:51 -0500