Linux-2.6.12-rc2
[linux-2.6/kvm.git] / drivers / net / sk98lin / skethtool.c
blobfb639959292b3656d375a04c68cc6bee4d3e8fe1
1 /******************************************************************************
3 * Name: skethtool.c
4 * Project: GEnesis, PCI Gigabit Ethernet Adapter
5 * Version: $Revision: 1.7 $
6 * Date: $Date: 2004/09/29 13:32:07 $
7 * Purpose: All functions regarding ethtool handling
9 ******************************************************************************/
11 /******************************************************************************
13 * (C)Copyright 1998-2002 SysKonnect GmbH.
14 * (C)Copyright 2002-2004 Marvell.
16 * Driver for Marvell Yukon/2 chipset and SysKonnect Gigabit Ethernet
17 * Server Adapters.
19 * Author: Ralph Roesler (rroesler@syskonnect.de)
20 * Mirko Lindner (mlindner@syskonnect.de)
22 * Address all question to: linux@syskonnect.de
24 * The technical manual for the adapters is available from SysKonnect's
25 * web pages: www.syskonnect.com
27 * This program is free software; you can redistribute it and/or modify
28 * it under the terms of the GNU General Public License as published by
29 * the Free Software Foundation; either version 2 of the License, or
30 * (at your option) any later version.
32 * The information in this file is provided "AS IS" without warranty.
34 *****************************************************************************/
36 #include "h/skdrv1st.h"
37 #include "h/skdrv2nd.h"
38 #include "h/skversion.h"
40 #include <linux/ethtool.h>
41 #include <linux/timer.h>
42 #include <linux/delay.h>
44 /******************************************************************************
46 * Defines
48 *****************************************************************************/
50 #define SUPP_COPPER_ALL (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \
51 SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \
52 SUPPORTED_1000baseT_Half| SUPPORTED_1000baseT_Full| \
53 SUPPORTED_TP)
55 #define ADV_COPPER_ALL (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
56 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
57 ADVERTISED_1000baseT_Half| ADVERTISED_1000baseT_Full| \
58 ADVERTISED_TP)
60 #define SUPP_FIBRE_ALL (SUPPORTED_1000baseT_Full | \
61 SUPPORTED_FIBRE | \
62 SUPPORTED_Autoneg)
64 #define ADV_FIBRE_ALL (ADVERTISED_1000baseT_Full | \
65 ADVERTISED_FIBRE | \
66 ADVERTISED_Autoneg)
69 /******************************************************************************
71 * Local Functions
73 *****************************************************************************/
75 /*****************************************************************************
77 * getSettings - retrieves the current settings of the selected adapter
79 * Description:
80 * The current configuration of the selected adapter is returned.
81 * This configuration involves a)speed, b)duplex and c)autoneg plus
82 * a number of other variables.
84 * Returns: always 0
87 static int getSettings(struct net_device *dev, struct ethtool_cmd *ecmd)
89 const DEV_NET *pNet = netdev_priv(dev);
90 int port = pNet->PortNr;
91 const SK_AC *pAC = pNet->pAC;
92 const SK_GEPORT *pPort = &pAC->GIni.GP[port];
94 static int DuplexAutoNegConfMap[9][3]= {
95 { -1 , -1 , -1 },
96 { 0 , -1 , -1 },
97 { SK_LMODE_HALF , DUPLEX_HALF, AUTONEG_DISABLE },
98 { SK_LMODE_FULL , DUPLEX_FULL, AUTONEG_DISABLE },
99 { SK_LMODE_AUTOHALF , DUPLEX_HALF, AUTONEG_ENABLE },
100 { SK_LMODE_AUTOFULL , DUPLEX_FULL, AUTONEG_ENABLE },
101 { SK_LMODE_AUTOBOTH , DUPLEX_FULL, AUTONEG_ENABLE },
102 { SK_LMODE_AUTOSENSE , -1 , -1 },
103 { SK_LMODE_INDETERMINATED, -1 , -1 }
105 static int SpeedConfMap[6][2] = {
106 { 0 , -1 },
107 { SK_LSPEED_AUTO , -1 },
108 { SK_LSPEED_10MBPS , SPEED_10 },
109 { SK_LSPEED_100MBPS , SPEED_100 },
110 { SK_LSPEED_1000MBPS , SPEED_1000 },
111 { SK_LSPEED_INDETERMINATED, -1 }
113 static int AdvSpeedMap[6][2] = {
114 { 0 , -1 },
115 { SK_LSPEED_AUTO , -1 },
116 { SK_LSPEED_10MBPS , ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full },
117 { SK_LSPEED_100MBPS , ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full },
118 { SK_LSPEED_1000MBPS , ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full},
119 { SK_LSPEED_INDETERMINATED, -1 }
122 ecmd->phy_address = port;
123 ecmd->speed = SpeedConfMap[pPort->PLinkSpeedUsed][1];
124 ecmd->duplex = DuplexAutoNegConfMap[pPort->PLinkModeStatus][1];
125 ecmd->autoneg = DuplexAutoNegConfMap[pPort->PLinkModeStatus][2];
126 ecmd->transceiver = XCVR_INTERNAL;
128 if (pAC->GIni.GICopperType) {
129 ecmd->port = PORT_TP;
130 ecmd->supported = (SUPP_COPPER_ALL|SUPPORTED_Autoneg);
131 if (pAC->GIni.GIGenesis) {
132 ecmd->supported &= ~(SUPPORTED_10baseT_Half);
133 ecmd->supported &= ~(SUPPORTED_10baseT_Full);
134 ecmd->supported &= ~(SUPPORTED_100baseT_Half);
135 ecmd->supported &= ~(SUPPORTED_100baseT_Full);
136 } else {
137 if (pAC->GIni.GIChipId == CHIP_ID_YUKON) {
138 ecmd->supported &= ~(SUPPORTED_1000baseT_Half);
140 #ifdef CHIP_ID_YUKON_FE
141 if (pAC->GIni.GIChipId == CHIP_ID_YUKON_FE) {
142 ecmd->supported &= ~(SUPPORTED_1000baseT_Half);
143 ecmd->supported &= ~(SUPPORTED_1000baseT_Full);
145 #endif
147 if (pAC->GIni.GP[0].PLinkSpeed != SK_LSPEED_AUTO) {
148 ecmd->advertising = AdvSpeedMap[pPort->PLinkSpeed][1];
149 if (pAC->GIni.GIChipId == CHIP_ID_YUKON) {
150 ecmd->advertising &= ~(SUPPORTED_1000baseT_Half);
152 } else {
153 ecmd->advertising = ecmd->supported;
156 if (ecmd->autoneg == AUTONEG_ENABLE)
157 ecmd->advertising |= ADVERTISED_Autoneg;
158 } else {
159 ecmd->port = PORT_FIBRE;
160 ecmd->supported = SUPP_FIBRE_ALL;
161 ecmd->advertising = ADV_FIBRE_ALL;
163 return 0;
167 * MIB infrastructure uses instance value starting at 1
168 * based on board and port.
170 static inline u32 pnmiInstance(const DEV_NET *pNet)
172 return 1 + (pNet->pAC->RlmtNets == 2) + pNet->PortNr;
175 /*****************************************************************************
177 * setSettings - configures the settings of a selected adapter
179 * Description:
180 * Possible settings that may be altered are a)speed, b)duplex or
181 * c)autonegotiation.
183 * Returns:
184 * 0: everything fine, no error
185 * <0: the return value is the error code of the failure
187 static int setSettings(struct net_device *dev, struct ethtool_cmd *ecmd)
189 DEV_NET *pNet = netdev_priv(dev);
190 SK_AC *pAC = pNet->pAC;
191 u32 instance;
192 char buf[4];
193 int len = 1;
195 if (ecmd->speed != SPEED_10 && ecmd->speed != SPEED_100
196 && ecmd->speed != SPEED_1000)
197 return -EINVAL;
199 if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL)
200 return -EINVAL;
202 if (ecmd->autoneg != AUTONEG_DISABLE && ecmd->autoneg != AUTONEG_ENABLE)
203 return -EINVAL;
205 if (ecmd->autoneg == AUTONEG_DISABLE)
206 *buf = (ecmd->duplex == DUPLEX_FULL)
207 ? SK_LMODE_FULL : SK_LMODE_HALF;
208 else
209 *buf = (ecmd->duplex == DUPLEX_FULL)
210 ? SK_LMODE_AUTOFULL : SK_LMODE_AUTOHALF;
212 instance = pnmiInstance(pNet);
213 if (SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_LINK_MODE,
214 &buf, &len, instance, pNet->NetNr) != SK_PNMI_ERR_OK)
215 return -EINVAL;
217 switch(ecmd->speed) {
218 case SPEED_1000:
219 *buf = SK_LSPEED_1000MBPS;
220 break;
221 case SPEED_100:
222 *buf = SK_LSPEED_100MBPS;
223 break;
224 case SPEED_10:
225 *buf = SK_LSPEED_10MBPS;
228 if (SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_SPEED_MODE,
229 &buf, &len, instance, pNet->NetNr) != SK_PNMI_ERR_OK)
230 return -EINVAL;
232 return 0;
235 /*****************************************************************************
237 * getDriverInfo - returns generic driver and adapter information
239 * Description:
240 * Generic driver information is returned via this function, such as
241 * the name of the driver, its version and and firmware version.
242 * In addition to this, the location of the selected adapter is
243 * returned as a bus info string (e.g. '01:05.0').
245 * Returns: N/A
248 static void getDriverInfo(struct net_device *dev, struct ethtool_drvinfo *info)
250 const DEV_NET *pNet = netdev_priv(dev);
251 const SK_AC *pAC = pNet->pAC;
252 char vers[32];
254 snprintf(vers, sizeof(vers)-1, VER_STRING "(v%d.%d)",
255 (pAC->GIni.GIPciHwRev >> 4) & 0xf, pAC->GIni.GIPciHwRev & 0xf);
257 strlcpy(info->driver, DRIVER_FILE_NAME, sizeof(info->driver));
258 strcpy(info->version, vers);
259 strcpy(info->fw_version, "N/A");
260 strlcpy(info->bus_info, pci_name(pAC->PciDev), ETHTOOL_BUSINFO_LEN);
264 * Ethtool statistics support.
266 static const char StringsStats[][ETH_GSTRING_LEN] = {
267 "rx_packets", "tx_packets",
268 "rx_bytes", "tx_bytes",
269 "rx_errors", "tx_errors",
270 "rx_dropped", "tx_dropped",
271 "multicasts", "collisions",
272 "rx_length_errors", "rx_buffer_overflow_errors",
273 "rx_crc_errors", "rx_frame_errors",
274 "rx_too_short_errors", "rx_too_long_errors",
275 "rx_carrier_extension_errors", "rx_symbol_errors",
276 "rx_llc_mac_size_errors", "rx_carrier_errors",
277 "rx_jabber_errors", "rx_missed_errors",
278 "tx_abort_collision_errors", "tx_carrier_errors",
279 "tx_buffer_underrun_errors", "tx_heartbeat_errors",
280 "tx_window_errors",
283 static int getStatsCount(struct net_device *dev)
285 return ARRAY_SIZE(StringsStats);
288 static void getStrings(struct net_device *dev, u32 stringset, u8 *data)
290 switch(stringset) {
291 case ETH_SS_STATS:
292 memcpy(data, *StringsStats, sizeof(StringsStats));
293 break;
297 static void getEthtoolStats(struct net_device *dev,
298 struct ethtool_stats *stats, u64 *data)
300 const DEV_NET *pNet = netdev_priv(dev);
301 const SK_AC *pAC = pNet->pAC;
302 const SK_PNMI_STRUCT_DATA *pPnmiStruct = &pAC->PnmiStruct;
304 *data++ = pPnmiStruct->Stat[0].StatRxOkCts;
305 *data++ = pPnmiStruct->Stat[0].StatTxOkCts;
306 *data++ = pPnmiStruct->Stat[0].StatRxOctetsOkCts;
307 *data++ = pPnmiStruct->Stat[0].StatTxOctetsOkCts;
308 *data++ = pPnmiStruct->InErrorsCts;
309 *data++ = pPnmiStruct->Stat[0].StatTxSingleCollisionCts;
310 *data++ = pPnmiStruct->RxNoBufCts;
311 *data++ = pPnmiStruct->TxNoBufCts;
312 *data++ = pPnmiStruct->Stat[0].StatRxMulticastOkCts;
313 *data++ = pPnmiStruct->Stat[0].StatTxSingleCollisionCts;
314 *data++ = pPnmiStruct->Stat[0].StatRxRuntCts;
315 *data++ = pPnmiStruct->Stat[0].StatRxFifoOverflowCts;
316 *data++ = pPnmiStruct->Stat[0].StatRxFcsCts;
317 *data++ = pPnmiStruct->Stat[0].StatRxFramingCts;
318 *data++ = pPnmiStruct->Stat[0].StatRxShortsCts;
319 *data++ = pPnmiStruct->Stat[0].StatRxTooLongCts;
320 *data++ = pPnmiStruct->Stat[0].StatRxCextCts;
321 *data++ = pPnmiStruct->Stat[0].StatRxSymbolCts;
322 *data++ = pPnmiStruct->Stat[0].StatRxIRLengthCts;
323 *data++ = pPnmiStruct->Stat[0].StatRxCarrierCts;
324 *data++ = pPnmiStruct->Stat[0].StatRxJabberCts;
325 *data++ = pPnmiStruct->Stat[0].StatRxMissedCts;
326 *data++ = pAC->stats.tx_aborted_errors;
327 *data++ = pPnmiStruct->Stat[0].StatTxCarrierCts;
328 *data++ = pPnmiStruct->Stat[0].StatTxFifoUnderrunCts;
329 *data++ = pPnmiStruct->Stat[0].StatTxCarrierCts;
330 *data++ = pAC->stats.tx_window_errors;
334 /*****************************************************************************
336 * toggleLeds - Changes the LED state of an adapter
338 * Description:
339 * This function changes the current state of all LEDs of an adapter so
340 * that it can be located by a user.
342 * Returns: N/A
345 static void toggleLeds(DEV_NET *pNet, int on)
347 SK_AC *pAC = pNet->pAC;
348 int port = pNet->PortNr;
349 void __iomem *io = pAC->IoBase;
351 if (pAC->GIni.GIGenesis) {
352 SK_OUT8(io, MR_ADDR(port,LNK_LED_REG),
353 on ? SK_LNK_ON : SK_LNK_OFF);
354 SkGeYellowLED(pAC, io,
355 on ? (LED_ON >> 1) : (LED_OFF >> 1));
356 SkGeXmitLED(pAC, io, MR_ADDR(port,RX_LED_INI),
357 on ? SK_LED_TST : SK_LED_DIS);
359 if (pAC->GIni.GP[port].PhyType == SK_PHY_BCOM)
360 SkXmPhyWrite(pAC, io, port, PHY_BCOM_P_EXT_CTRL,
361 on ? PHY_B_PEC_LED_ON : PHY_B_PEC_LED_OFF);
362 else if (pAC->GIni.GP[port].PhyType == SK_PHY_LONE)
363 SkXmPhyWrite(pAC, io, port, PHY_LONE_LED_CFG,
364 on ? 0x0800 : PHY_L_LC_LEDT);
365 else
366 SkGeXmitLED(pAC, io, MR_ADDR(port,TX_LED_INI),
367 on ? SK_LED_TST : SK_LED_DIS);
368 } else {
369 const u16 YukLedOn = (PHY_M_LED_MO_DUP(MO_LED_ON) |
370 PHY_M_LED_MO_10(MO_LED_ON) |
371 PHY_M_LED_MO_100(MO_LED_ON) |
372 PHY_M_LED_MO_1000(MO_LED_ON) |
373 PHY_M_LED_MO_RX(MO_LED_ON));
374 const u16 YukLedOff = (PHY_M_LED_MO_DUP(MO_LED_OFF) |
375 PHY_M_LED_MO_10(MO_LED_OFF) |
376 PHY_M_LED_MO_100(MO_LED_OFF) |
377 PHY_M_LED_MO_1000(MO_LED_OFF) |
378 PHY_M_LED_MO_RX(MO_LED_OFF));
381 SkGmPhyWrite(pAC,io,port,PHY_MARV_LED_CTRL,0);
382 SkGmPhyWrite(pAC,io,port,PHY_MARV_LED_OVER,
383 on ? YukLedOn : YukLedOff);
387 /*****************************************************************************
389 * skGeBlinkTimer - Changes the LED state of an adapter
391 * Description:
392 * This function changes the current state of all LEDs of an adapter so
393 * that it can be located by a user. If the requested time interval for
394 * this test has elapsed, this function cleans up everything that was
395 * temporarily setup during the locate NIC test. This involves of course
396 * also closing or opening any adapter so that the initial board state
397 * is recovered.
399 * Returns: N/A
402 void SkGeBlinkTimer(unsigned long data)
404 struct net_device *dev = (struct net_device *) data;
405 DEV_NET *pNet = netdev_priv(dev);
406 SK_AC *pAC = pNet->pAC;
408 toggleLeds(pNet, pAC->LedsOn);
410 pAC->LedsOn = !pAC->LedsOn;
411 mod_timer(&pAC->BlinkTimer, jiffies + HZ/4);
414 /*****************************************************************************
416 * locateDevice - start the locate NIC feature of the elected adapter
418 * Description:
419 * This function is used if the user want to locate a particular NIC.
420 * All LEDs are regularly switched on and off, so the NIC can easily
421 * be identified.
423 * Returns:
424 * ==0: everything fine, no error, locateNIC test was started
425 * !=0: one locateNIC test runs already
428 static int locateDevice(struct net_device *dev, u32 data)
430 DEV_NET *pNet = netdev_priv(dev);
431 SK_AC *pAC = pNet->pAC;
433 if(!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
434 data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
436 /* start blinking */
437 pAC->LedsOn = 0;
438 mod_timer(&pAC->BlinkTimer, jiffies);
439 msleep_interruptible(data * 1000);
440 del_timer_sync(&pAC->BlinkTimer);
441 toggleLeds(pNet, 0);
443 return 0;
446 /*****************************************************************************
448 * getPauseParams - retrieves the pause parameters
450 * Description:
451 * All current pause parameters of a selected adapter are placed
452 * in the passed ethtool_pauseparam structure and are returned.
454 * Returns: N/A
457 static void getPauseParams(struct net_device *dev, struct ethtool_pauseparam *epause)
459 DEV_NET *pNet = netdev_priv(dev);
460 SK_AC *pAC = pNet->pAC;
461 SK_GEPORT *pPort = &pAC->GIni.GP[pNet->PortNr];
463 epause->rx_pause = (pPort->PFlowCtrlMode == SK_FLOW_MODE_SYMMETRIC) ||
464 (pPort->PFlowCtrlMode == SK_FLOW_MODE_SYM_OR_REM);
466 epause->tx_pause = epause->rx_pause || (pPort->PFlowCtrlMode == SK_FLOW_MODE_LOC_SEND);
467 epause->autoneg = epause->rx_pause || epause->tx_pause;
470 /*****************************************************************************
472 * setPauseParams - configures the pause parameters of an adapter
474 * Description:
475 * This function sets the Rx or Tx pause parameters
477 * Returns:
478 * ==0: everything fine, no error
479 * !=0: the return value is the error code of the failure
481 static int setPauseParams(struct net_device *dev , struct ethtool_pauseparam *epause)
483 DEV_NET *pNet = netdev_priv(dev);
484 SK_AC *pAC = pNet->pAC;
485 SK_GEPORT *pPort = &pAC->GIni.GP[pNet->PortNr];
486 u32 instance = pnmiInstance(pNet);
487 struct ethtool_pauseparam old;
488 u8 oldspeed = pPort->PLinkSpeedUsed;
489 char buf[4];
490 int len = 1;
491 int ret;
494 ** we have to determine the current settings to see if
495 ** the operator requested any modification of the flow
496 ** control parameters...
498 getPauseParams(dev, &old);
501 ** perform modifications regarding the changes
502 ** requested by the operator
504 if (epause->autoneg != old.autoneg)
505 *buf = epause->autoneg ? SK_FLOW_MODE_NONE : SK_FLOW_MODE_SYMMETRIC;
506 else {
507 if (epause->rx_pause && epause->tx_pause)
508 *buf = SK_FLOW_MODE_SYMMETRIC;
509 else if (epause->rx_pause && !epause->tx_pause)
510 *buf = SK_FLOW_MODE_SYM_OR_REM;
511 else if (!epause->rx_pause && epause->tx_pause)
512 *buf = SK_FLOW_MODE_LOC_SEND;
513 else
514 *buf = SK_FLOW_MODE_NONE;
517 ret = SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_FLOWCTRL_MODE,
518 &buf, &len, instance, pNet->NetNr);
520 if (ret != SK_PNMI_ERR_OK) {
521 SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_CTRL,
522 ("ethtool (sk98lin): error changing rx/tx pause (%i)\n", ret));
523 goto err;
527 ** It may be that autoneg has been disabled! Therefore
528 ** set the speed to the previously used value...
530 if (!epause->autoneg) {
531 len = 1;
532 ret = SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_SPEED_MODE,
533 &oldspeed, &len, instance, pNet->NetNr);
534 if (ret != SK_PNMI_ERR_OK)
535 SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_CTRL,
536 ("ethtool (sk98lin): error setting speed (%i)\n", ret));
538 err:
539 return ret ? -EIO : 0;
542 struct ethtool_ops SkGeEthtoolOps = {
543 .get_settings = getSettings,
544 .set_settings = setSettings,
545 .get_drvinfo = getDriverInfo,
546 .get_strings = getStrings,
547 .get_stats_count = getStatsCount,
548 .get_ethtool_stats = getEthtoolStats,
549 .phys_id = locateDevice,
550 .get_pauseparam = getPauseParams,
551 .set_pauseparam = setPauseParams,