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authorJay Cliburn <jacliburn@bellsouth.net>2007-02-08 10:42:37 -0500
committerJeff Garzik <jeff@garzik.org>2007-02-08 10:42:37 -0500
commitf3cc28c797604fa1cda4aef3f250f465de54a0ca (patch)
tree457722c6be1715307563a12b266bdf7910e8bb7f /drivers/net/atl1/atl1_ethtool.c
parentc4184f117af7441fb83bc413d2214d92920e0289 (diff)
Add Attansic L1 ethernet driver.
This driver is a modified version of the Attansic reference driver for the L1 ethernet adapter. Attansic has granted permission for its inclusion in the mainline kernel. Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/atl1/atl1_ethtool.c')
-rw-r--r--drivers/net/atl1/atl1_ethtool.c508
1 files changed, 508 insertions, 0 deletions
diff --git a/drivers/net/atl1/atl1_ethtool.c b/drivers/net/atl1/atl1_ethtool.c
new file mode 100644
index 000000000000..c11c27798e5c
--- /dev/null
+++ b/drivers/net/atl1/atl1_ethtool.c
@@ -0,0 +1,508 @@
1/*
2 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
3 * Copyright(c) 2006 Chris Snook <csnook@redhat.com>
4 * Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com>
5 *
6 * Derived from Intel e1000 driver
7 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the Free
11 * Software Foundation; either version 2 of the License, or (at your option)
12 * any later version.
13 *
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * more details.
18 *
19 * You should have received a copy of the GNU General Public License along with
20 * this program; if not, write to the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 */
23
24#include <linux/types.h>
25#include <linux/pci.h>
26#include <linux/ethtool.h>
27#include <linux/netdevice.h>
28#include <linux/mii.h>
29#include <asm/uaccess.h>
30
31#include "atl1.h"
32
33struct atl1_stats {
34 char stat_string[ETH_GSTRING_LEN];
35 int sizeof_stat;
36 int stat_offset;
37};
38
39#define ATL1_STAT(m) sizeof(((struct atl1_adapter *)0)->m), \
40 offsetof(struct atl1_adapter, m)
41
42static struct atl1_stats atl1_gstrings_stats[] = {
43 {"rx_packets", ATL1_STAT(soft_stats.rx_packets)},
44 {"tx_packets", ATL1_STAT(soft_stats.tx_packets)},
45 {"rx_bytes", ATL1_STAT(soft_stats.rx_bytes)},
46 {"tx_bytes", ATL1_STAT(soft_stats.tx_bytes)},
47 {"rx_errors", ATL1_STAT(soft_stats.rx_errors)},
48 {"tx_errors", ATL1_STAT(soft_stats.tx_errors)},
49 {"rx_dropped", ATL1_STAT(net_stats.rx_dropped)},
50 {"tx_dropped", ATL1_STAT(net_stats.tx_dropped)},
51 {"multicast", ATL1_STAT(soft_stats.multicast)},
52 {"collisions", ATL1_STAT(soft_stats.collisions)},
53 {"rx_length_errors", ATL1_STAT(soft_stats.rx_length_errors)},
54 {"rx_over_errors", ATL1_STAT(soft_stats.rx_missed_errors)},
55 {"rx_crc_errors", ATL1_STAT(soft_stats.rx_crc_errors)},
56 {"rx_frame_errors", ATL1_STAT(soft_stats.rx_frame_errors)},
57 {"rx_fifo_errors", ATL1_STAT(soft_stats.rx_fifo_errors)},
58 {"rx_missed_errors", ATL1_STAT(soft_stats.rx_missed_errors)},
59 {"tx_aborted_errors", ATL1_STAT(soft_stats.tx_aborted_errors)},
60 {"tx_carrier_errors", ATL1_STAT(soft_stats.tx_carrier_errors)},
61 {"tx_fifo_errors", ATL1_STAT(soft_stats.tx_fifo_errors)},
62 {"tx_window_errors", ATL1_STAT(soft_stats.tx_window_errors)},
63 {"tx_abort_exce_coll", ATL1_STAT(soft_stats.excecol)},
64 {"tx_abort_late_coll", ATL1_STAT(soft_stats.latecol)},
65 {"tx_deferred_ok", ATL1_STAT(soft_stats.deffer)},
66 {"tx_single_coll_ok", ATL1_STAT(soft_stats.scc)},
67 {"tx_multi_coll_ok", ATL1_STAT(soft_stats.mcc)},
68 {"tx_underun", ATL1_STAT(soft_stats.tx_underun)},
69 {"tx_trunc", ATL1_STAT(soft_stats.tx_trunc)},
70 {"tx_pause", ATL1_STAT(soft_stats.tx_pause)},
71 {"rx_pause", ATL1_STAT(soft_stats.rx_pause)},
72 {"rx_rrd_ov", ATL1_STAT(soft_stats.rx_rrd_ov)},
73 {"rx_trunc", ATL1_STAT(soft_stats.rx_trunc)}
74};
75
76static void atl1_get_ethtool_stats(struct net_device *netdev,
77 struct ethtool_stats *stats, u64 *data)
78{
79 struct atl1_adapter *adapter = netdev_priv(netdev);
80 int i;
81 char *p;
82
83 for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) {
84 p = (char *)adapter+atl1_gstrings_stats[i].stat_offset;
85 data[i] = (atl1_gstrings_stats[i].sizeof_stat ==
86 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
87 }
88
89}
90
91static int atl1_get_stats_count(struct net_device *netdev)
92{
93 return ARRAY_SIZE(atl1_gstrings_stats);
94}
95
96static int atl1_get_settings(struct net_device *netdev,
97 struct ethtool_cmd *ecmd)
98{
99 struct atl1_adapter *adapter = netdev_priv(netdev);
100 struct atl1_hw *hw = &adapter->hw;
101
102 ecmd->supported = (SUPPORTED_10baseT_Half |
103 SUPPORTED_10baseT_Full |
104 SUPPORTED_100baseT_Half |
105 SUPPORTED_100baseT_Full |
106 SUPPORTED_1000baseT_Full |
107 SUPPORTED_Autoneg | SUPPORTED_TP);
108 ecmd->advertising = ADVERTISED_TP;
109 if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
110 hw->media_type == MEDIA_TYPE_1000M_FULL) {
111 ecmd->advertising |= ADVERTISED_Autoneg;
112 if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR) {
113 ecmd->advertising |= ADVERTISED_Autoneg;
114 ecmd->advertising |=
115 (ADVERTISED_10baseT_Half |
116 ADVERTISED_10baseT_Full |
117 ADVERTISED_100baseT_Half |
118 ADVERTISED_100baseT_Full |
119 ADVERTISED_1000baseT_Full);
120 }
121 else
122 ecmd->advertising |= (ADVERTISED_1000baseT_Full);
123 }
124 ecmd->port = PORT_TP;
125 ecmd->phy_address = 0;
126 ecmd->transceiver = XCVR_INTERNAL;
127
128 if (netif_carrier_ok(adapter->netdev)) {
129 u16 link_speed, link_duplex;
130 atl1_get_speed_and_duplex(hw, &link_speed, &link_duplex);
131 ecmd->speed = link_speed;
132 if (link_duplex == FULL_DUPLEX)
133 ecmd->duplex = DUPLEX_FULL;
134 else
135 ecmd->duplex = DUPLEX_HALF;
136 } else {
137 ecmd->speed = -1;
138 ecmd->duplex = -1;
139 }
140 if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
141 hw->media_type == MEDIA_TYPE_1000M_FULL)
142 ecmd->autoneg = AUTONEG_ENABLE;
143 else
144 ecmd->autoneg = AUTONEG_DISABLE;
145
146 return 0;
147}
148
149static int atl1_set_settings(struct net_device *netdev,
150 struct ethtool_cmd *ecmd)
151{
152 struct atl1_adapter *adapter = netdev_priv(netdev);
153 struct atl1_hw *hw = &adapter->hw;
154 u16 phy_data;
155 int ret_val = 0;
156 u16 old_media_type = hw->media_type;
157
158 if (netif_running(adapter->netdev)) {
159 printk(KERN_DEBUG "%s: ethtool shutting down adapter\n",
160 atl1_driver_name);
161 atl1_down(adapter);
162 }
163
164 if (ecmd->autoneg == AUTONEG_ENABLE)
165 hw->media_type = MEDIA_TYPE_AUTO_SENSOR;
166 else {
167 if (ecmd->speed == SPEED_1000) {
168 if (ecmd->duplex != DUPLEX_FULL) {
169 printk(KERN_WARNING
170 "%s: can't force to 1000M half duplex\n",
171 atl1_driver_name);
172 ret_val = -EINVAL;
173 goto exit_sset;
174 }
175 hw->media_type = MEDIA_TYPE_1000M_FULL;
176 } else if (ecmd->speed == SPEED_100) {
177 if (ecmd->duplex == DUPLEX_FULL) {
178 hw->media_type = MEDIA_TYPE_100M_FULL;
179 } else
180 hw->media_type = MEDIA_TYPE_100M_HALF;
181 } else {
182 if (ecmd->duplex == DUPLEX_FULL)
183 hw->media_type = MEDIA_TYPE_10M_FULL;
184 else
185 hw->media_type = MEDIA_TYPE_10M_HALF;
186 }
187 }
188 switch (hw->media_type) {
189 case MEDIA_TYPE_AUTO_SENSOR:
190 ecmd->advertising =
191 ADVERTISED_10baseT_Half |
192 ADVERTISED_10baseT_Full |
193 ADVERTISED_100baseT_Half |
194 ADVERTISED_100baseT_Full |
195 ADVERTISED_1000baseT_Full |
196 ADVERTISED_Autoneg | ADVERTISED_TP;
197 break;
198 case MEDIA_TYPE_1000M_FULL:
199 ecmd->advertising =
200 ADVERTISED_1000baseT_Full |
201 ADVERTISED_Autoneg | ADVERTISED_TP;
202 break;
203 default:
204 ecmd->advertising = 0;
205 break;
206 }
207 if (atl1_phy_setup_autoneg_adv(hw)) {
208 ret_val = -EINVAL;
209 printk(KERN_WARNING
210 "%s: invalid ethtool speed/duplex setting\n",
211 atl1_driver_name);
212 goto exit_sset;
213 }
214 if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
215 hw->media_type == MEDIA_TYPE_1000M_FULL)
216 phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN;
217 else {
218 switch (hw->media_type) {
219 case MEDIA_TYPE_100M_FULL:
220 phy_data =
221 MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 |
222 MII_CR_RESET;
223 break;
224 case MEDIA_TYPE_100M_HALF:
225 phy_data = MII_CR_SPEED_100 | MII_CR_RESET;
226 break;
227 case MEDIA_TYPE_10M_FULL:
228 phy_data =
229 MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET;
230 break;
231 default: /* MEDIA_TYPE_10M_HALF: */
232 phy_data = MII_CR_SPEED_10 | MII_CR_RESET;
233 break;
234 }
235 }
236 atl1_write_phy_reg(hw, MII_BMCR, phy_data);
237exit_sset:
238 if (ret_val)
239 hw->media_type = old_media_type;
240
241 if (netif_running(adapter->netdev)) {
242 printk(KERN_DEBUG "%s: ethtool starting adapter\n",
243 atl1_driver_name);
244 atl1_up(adapter);
245 } else if (!ret_val) {
246 printk(KERN_DEBUG "%s: ethtool resetting adapter\n",
247 atl1_driver_name);
248 atl1_reset(adapter);
249 }
250 return ret_val;
251}
252
253static void atl1_get_drvinfo(struct net_device *netdev,
254 struct ethtool_drvinfo *drvinfo)
255{
256 struct atl1_adapter *adapter = netdev_priv(netdev);
257
258 strncpy(drvinfo->driver, atl1_driver_name, sizeof(drvinfo->driver));
259 strncpy(drvinfo->version, atl1_driver_version,
260 sizeof(drvinfo->version));
261 strncpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
262 strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
263 sizeof(drvinfo->bus_info));
264 drvinfo->eedump_len = ATL1_EEDUMP_LEN;
265}
266
267static void atl1_get_wol(struct net_device *netdev,
268 struct ethtool_wolinfo *wol)
269{
270 struct atl1_adapter *adapter = netdev_priv(netdev);
271
272 wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
273 wol->wolopts = 0;
274 if (adapter->wol & ATL1_WUFC_EX)
275 wol->wolopts |= WAKE_UCAST;
276 if (adapter->wol & ATL1_WUFC_MC)
277 wol->wolopts |= WAKE_MCAST;
278 if (adapter->wol & ATL1_WUFC_BC)
279 wol->wolopts |= WAKE_BCAST;
280 if (adapter->wol & ATL1_WUFC_MAG)
281 wol->wolopts |= WAKE_MAGIC;
282 return;
283}
284
285static int atl1_set_wol(struct net_device *netdev,
286 struct ethtool_wolinfo *wol)
287{
288 struct atl1_adapter *adapter = netdev_priv(netdev);
289
290 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
291 return -EOPNOTSUPP;
292 adapter->wol = 0;
293 if (wol->wolopts & WAKE_UCAST)
294 adapter->wol |= ATL1_WUFC_EX;
295 if (wol->wolopts & WAKE_MCAST)
296 adapter->wol |= ATL1_WUFC_MC;
297 if (wol->wolopts & WAKE_BCAST)
298 adapter->wol |= ATL1_WUFC_BC;
299 if (wol->wolopts & WAKE_MAGIC)
300 adapter->wol |= ATL1_WUFC_MAG;
301 return 0;
302}
303
304static void atl1_get_ringparam(struct net_device *netdev,
305 struct ethtool_ringparam *ring)
306{
307 struct atl1_adapter *adapter = netdev_priv(netdev);
308 struct atl1_tpd_ring *txdr = &adapter->tpd_ring;
309 struct atl1_rfd_ring *rxdr = &adapter->rfd_ring;
310
311 ring->rx_max_pending = ATL1_MAX_RFD;
312 ring->tx_max_pending = ATL1_MAX_TPD;
313 ring->rx_mini_max_pending = 0;
314 ring->rx_jumbo_max_pending = 0;
315 ring->rx_pending = rxdr->count;
316 ring->tx_pending = txdr->count;
317 ring->rx_mini_pending = 0;
318 ring->rx_jumbo_pending = 0;
319}
320
321static int atl1_set_ringparam(struct net_device *netdev,
322 struct ethtool_ringparam *ring)
323{
324 struct atl1_adapter *adapter = netdev_priv(netdev);
325 struct atl1_tpd_ring *tpdr = &adapter->tpd_ring;
326 struct atl1_rrd_ring *rrdr = &adapter->rrd_ring;
327 struct atl1_rfd_ring *rfdr = &adapter->rfd_ring;
328
329 struct atl1_tpd_ring tpd_old, tpd_new;
330 struct atl1_rfd_ring rfd_old, rfd_new;
331 struct atl1_rrd_ring rrd_old, rrd_new;
332 struct atl1_ring_header rhdr_old, rhdr_new;
333 int err;
334
335 tpd_old = adapter->tpd_ring;
336 rfd_old = adapter->rfd_ring;
337 rrd_old = adapter->rrd_ring;
338 rhdr_old = adapter->ring_header;
339
340 if (netif_running(adapter->netdev))
341 atl1_down(adapter);
342
343 rfdr->count = (u16) max(ring->rx_pending, (u32) ATL1_MIN_RFD);
344 rfdr->count = rfdr->count > ATL1_MAX_RFD ? ATL1_MAX_RFD :
345 rfdr->count;
346 rfdr->count = (rfdr->count + 3) & ~3;
347 rrdr->count = rfdr->count;
348
349 tpdr->count = (u16) max(ring->tx_pending, (u32) ATL1_MIN_TPD);
350 tpdr->count = tpdr->count > ATL1_MAX_TPD ? ATL1_MAX_TPD :
351 tpdr->count;
352 tpdr->count = (tpdr->count + 3) & ~3;
353
354 if (netif_running(adapter->netdev)) {
355 /* try to get new resources before deleting old */
356 err = atl1_setup_ring_resources(adapter);
357 if (err)
358 goto err_setup_ring;
359
360 /*
361 * save the new, restore the old in order to free it,
362 * then restore the new back again
363 */
364
365 rfd_new = adapter->rfd_ring;
366 rrd_new = adapter->rrd_ring;
367 tpd_new = adapter->tpd_ring;
368 rhdr_new = adapter->ring_header;
369 adapter->rfd_ring = rfd_old;
370 adapter->rrd_ring = rrd_old;
371 adapter->tpd_ring = tpd_old;
372 adapter->ring_header = rhdr_old;
373 atl1_free_ring_resources(adapter);
374 adapter->rfd_ring = rfd_new;
375 adapter->rrd_ring = rrd_new;
376 adapter->tpd_ring = tpd_new;
377 adapter->ring_header = rhdr_new;
378
379 err = atl1_up(adapter);
380 if (err)
381 return err;
382 }
383 return 0;
384
385err_setup_ring:
386 adapter->rfd_ring = rfd_old;
387 adapter->rrd_ring = rrd_old;
388 adapter->tpd_ring = tpd_old;
389 adapter->ring_header = rhdr_old;
390 atl1_up(adapter);
391 return err;
392}
393
394static void atl1_get_pauseparam(struct net_device *netdev,
395 struct ethtool_pauseparam *epause)
396{
397 struct atl1_adapter *adapter = netdev_priv(netdev);
398 struct atl1_hw *hw = &adapter->hw;
399
400 if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
401 hw->media_type == MEDIA_TYPE_1000M_FULL) {
402 epause->autoneg = AUTONEG_ENABLE;
403 } else {
404 epause->autoneg = AUTONEG_DISABLE;
405 }
406 epause->rx_pause = 1;
407 epause->tx_pause = 1;
408}
409
410static int atl1_set_pauseparam(struct net_device *netdev,
411 struct ethtool_pauseparam *epause)
412{
413 struct atl1_adapter *adapter = netdev_priv(netdev);
414 struct atl1_hw *hw = &adapter->hw;
415
416 if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
417 hw->media_type == MEDIA_TYPE_1000M_FULL) {
418 epause->autoneg = AUTONEG_ENABLE;
419 } else {
420 epause->autoneg = AUTONEG_DISABLE;
421 }
422
423 epause->rx_pause = 1;
424 epause->tx_pause = 1;
425
426 return 0;
427}
428
429static u32 atl1_get_rx_csum(struct net_device *netdev)
430{
431 return 1;
432}
433
434static void atl1_get_strings(struct net_device *netdev, u32 stringset,
435 u8 *data)
436{
437 u8 *p = data;
438 int i;
439
440 switch (stringset) {
441 case ETH_SS_STATS:
442 for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) {
443 memcpy(p, atl1_gstrings_stats[i].stat_string,
444 ETH_GSTRING_LEN);
445 p += ETH_GSTRING_LEN;
446 }
447 break;
448 }
449}
450
451static int atl1_nway_reset(struct net_device *netdev)
452{
453 struct atl1_adapter *adapter = netdev_priv(netdev);
454 struct atl1_hw *hw = &adapter->hw;
455
456 if (netif_running(netdev)) {
457 u16 phy_data;
458 atl1_down(adapter);
459
460 if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
461 hw->media_type == MEDIA_TYPE_1000M_FULL) {
462 phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN;
463 } else {
464 switch (hw->media_type) {
465 case MEDIA_TYPE_100M_FULL:
466 phy_data = MII_CR_FULL_DUPLEX |
467 MII_CR_SPEED_100 | MII_CR_RESET;
468 break;
469 case MEDIA_TYPE_100M_HALF:
470 phy_data = MII_CR_SPEED_100 | MII_CR_RESET;
471 break;
472 case MEDIA_TYPE_10M_FULL:
473 phy_data = MII_CR_FULL_DUPLEX |
474 MII_CR_SPEED_10 | MII_CR_RESET;
475 break;
476 default: /* MEDIA_TYPE_10M_HALF */
477 phy_data = MII_CR_SPEED_10 | MII_CR_RESET;
478 }
479 }
480 atl1_write_phy_reg(hw, MII_BMCR, phy_data);
481 atl1_up(adapter);
482 }
483 return 0;
484}
485
486const struct ethtool_ops atl1_ethtool_ops = {
487 .get_settings = atl1_get_settings,
488 .set_settings = atl1_set_settings,
489 .get_drvinfo = atl1_get_drvinfo,
490 .get_wol = atl1_get_wol,
491 .set_wol = atl1_set_wol,
492 .get_ringparam = atl1_get_ringparam,
493 .set_ringparam = atl1_set_ringparam,
494 .get_pauseparam = atl1_get_pauseparam,
495 .set_pauseparam = atl1_set_pauseparam,
496 .get_rx_csum = atl1_get_rx_csum,
497 .get_tx_csum = ethtool_op_get_tx_csum,
498 .set_tx_csum = ethtool_op_set_tx_hw_csum,
499 .get_link = ethtool_op_get_link,
500 .get_sg = ethtool_op_get_sg,
501 .set_sg = ethtool_op_set_sg,
502 .get_strings = atl1_get_strings,
503 .nway_reset = atl1_nway_reset,
504 .get_ethtool_stats = atl1_get_ethtool_stats,
505 .get_stats_count = atl1_get_stats_count,
506 .get_tso = ethtool_op_get_tso,
507 .set_tso = ethtool_op_set_tso,
508};
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