09f5a21438
Allow control of checksumming parameters via ethtool. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
603 lines
18 KiB
C
603 lines
18 KiB
C
/******************************************************************************
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*
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* Name: skethtool.c
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* Project: GEnesis, PCI Gigabit Ethernet Adapter
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* Version: $Revision: 1.7 $
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* Date: $Date: 2004/09/29 13:32:07 $
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* Purpose: All functions regarding ethtool handling
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*
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******************************************************************************/
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/******************************************************************************
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*
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* (C)Copyright 1998-2002 SysKonnect GmbH.
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* (C)Copyright 2002-2004 Marvell.
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*
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* Driver for Marvell Yukon/2 chipset and SysKonnect Gigabit Ethernet
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* Server Adapters.
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*
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* Author: Ralph Roesler (rroesler@syskonnect.de)
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* Mirko Lindner (mlindner@syskonnect.de)
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*
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* Address all question to: linux@syskonnect.de
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*
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* The technical manual for the adapters is available from SysKonnect's
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* web pages: www.syskonnect.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* The information in this file is provided "AS IS" without warranty.
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*
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*****************************************************************************/
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#include "h/skdrv1st.h"
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#include "h/skdrv2nd.h"
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#include "h/skversion.h"
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#include <linux/ethtool.h>
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#include <linux/timer.h>
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#include <linux/delay.h>
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/******************************************************************************
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*
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* Defines
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*
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*****************************************************************************/
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#define SUPP_COPPER_ALL (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \
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SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \
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SUPPORTED_1000baseT_Half| SUPPORTED_1000baseT_Full| \
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SUPPORTED_TP)
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#define ADV_COPPER_ALL (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \
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ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \
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ADVERTISED_1000baseT_Half| ADVERTISED_1000baseT_Full| \
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ADVERTISED_TP)
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#define SUPP_FIBRE_ALL (SUPPORTED_1000baseT_Full | \
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SUPPORTED_FIBRE | \
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SUPPORTED_Autoneg)
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#define ADV_FIBRE_ALL (ADVERTISED_1000baseT_Full | \
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ADVERTISED_FIBRE | \
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ADVERTISED_Autoneg)
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/******************************************************************************
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*
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* Local Functions
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*
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*****************************************************************************/
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/*****************************************************************************
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*
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* getSettings - retrieves the current settings of the selected adapter
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*
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* Description:
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* The current configuration of the selected adapter is returned.
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* This configuration involves a)speed, b)duplex and c)autoneg plus
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* a number of other variables.
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*
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* Returns: always 0
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*
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*/
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static int getSettings(struct net_device *dev, struct ethtool_cmd *ecmd)
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{
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const DEV_NET *pNet = netdev_priv(dev);
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int port = pNet->PortNr;
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const SK_AC *pAC = pNet->pAC;
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const SK_GEPORT *pPort = &pAC->GIni.GP[port];
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static int DuplexAutoNegConfMap[9][3]= {
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{ -1 , -1 , -1 },
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{ 0 , -1 , -1 },
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{ SK_LMODE_HALF , DUPLEX_HALF, AUTONEG_DISABLE },
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{ SK_LMODE_FULL , DUPLEX_FULL, AUTONEG_DISABLE },
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{ SK_LMODE_AUTOHALF , DUPLEX_HALF, AUTONEG_ENABLE },
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{ SK_LMODE_AUTOFULL , DUPLEX_FULL, AUTONEG_ENABLE },
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{ SK_LMODE_AUTOBOTH , DUPLEX_FULL, AUTONEG_ENABLE },
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{ SK_LMODE_AUTOSENSE , -1 , -1 },
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{ SK_LMODE_INDETERMINATED, -1 , -1 }
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};
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static int SpeedConfMap[6][2] = {
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{ 0 , -1 },
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{ SK_LSPEED_AUTO , -1 },
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{ SK_LSPEED_10MBPS , SPEED_10 },
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{ SK_LSPEED_100MBPS , SPEED_100 },
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{ SK_LSPEED_1000MBPS , SPEED_1000 },
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{ SK_LSPEED_INDETERMINATED, -1 }
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};
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static int AdvSpeedMap[6][2] = {
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{ 0 , -1 },
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{ SK_LSPEED_AUTO , -1 },
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{ SK_LSPEED_10MBPS , ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full },
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{ SK_LSPEED_100MBPS , ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full },
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{ SK_LSPEED_1000MBPS , ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full},
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{ SK_LSPEED_INDETERMINATED, -1 }
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};
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ecmd->phy_address = port;
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ecmd->speed = SpeedConfMap[pPort->PLinkSpeedUsed][1];
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ecmd->duplex = DuplexAutoNegConfMap[pPort->PLinkModeStatus][1];
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ecmd->autoneg = DuplexAutoNegConfMap[pPort->PLinkModeStatus][2];
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ecmd->transceiver = XCVR_INTERNAL;
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if (pAC->GIni.GICopperType) {
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ecmd->port = PORT_TP;
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ecmd->supported = (SUPP_COPPER_ALL|SUPPORTED_Autoneg);
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if (pAC->GIni.GIGenesis) {
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ecmd->supported &= ~(SUPPORTED_10baseT_Half);
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ecmd->supported &= ~(SUPPORTED_10baseT_Full);
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ecmd->supported &= ~(SUPPORTED_100baseT_Half);
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ecmd->supported &= ~(SUPPORTED_100baseT_Full);
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} else {
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if (pAC->GIni.GIChipId == CHIP_ID_YUKON) {
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ecmd->supported &= ~(SUPPORTED_1000baseT_Half);
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}
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#ifdef CHIP_ID_YUKON_FE
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if (pAC->GIni.GIChipId == CHIP_ID_YUKON_FE) {
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ecmd->supported &= ~(SUPPORTED_1000baseT_Half);
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ecmd->supported &= ~(SUPPORTED_1000baseT_Full);
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}
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#endif
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}
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if (pAC->GIni.GP[0].PLinkSpeed != SK_LSPEED_AUTO) {
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ecmd->advertising = AdvSpeedMap[pPort->PLinkSpeed][1];
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if (pAC->GIni.GIChipId == CHIP_ID_YUKON) {
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ecmd->advertising &= ~(SUPPORTED_1000baseT_Half);
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}
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} else {
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ecmd->advertising = ecmd->supported;
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}
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if (ecmd->autoneg == AUTONEG_ENABLE)
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ecmd->advertising |= ADVERTISED_Autoneg;
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} else {
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ecmd->port = PORT_FIBRE;
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ecmd->supported = SUPP_FIBRE_ALL;
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ecmd->advertising = ADV_FIBRE_ALL;
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}
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return 0;
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}
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/*
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* MIB infrastructure uses instance value starting at 1
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* based on board and port.
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*/
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static inline u32 pnmiInstance(const DEV_NET *pNet)
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{
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return 1 + (pNet->pAC->RlmtNets == 2) + pNet->PortNr;
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}
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/*****************************************************************************
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*
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* setSettings - configures the settings of a selected adapter
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*
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* Description:
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* Possible settings that may be altered are a)speed, b)duplex or
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* c)autonegotiation.
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*
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* Returns:
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* 0: everything fine, no error
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* <0: the return value is the error code of the failure
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*/
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static int setSettings(struct net_device *dev, struct ethtool_cmd *ecmd)
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{
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DEV_NET *pNet = netdev_priv(dev);
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SK_AC *pAC = pNet->pAC;
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u32 instance;
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char buf[4];
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int len = 1;
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if (ecmd->speed != SPEED_10 && ecmd->speed != SPEED_100
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&& ecmd->speed != SPEED_1000)
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return -EINVAL;
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if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL)
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return -EINVAL;
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if (ecmd->autoneg != AUTONEG_DISABLE && ecmd->autoneg != AUTONEG_ENABLE)
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return -EINVAL;
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if (ecmd->autoneg == AUTONEG_DISABLE)
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*buf = (ecmd->duplex == DUPLEX_FULL)
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? SK_LMODE_FULL : SK_LMODE_HALF;
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else
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*buf = (ecmd->duplex == DUPLEX_FULL)
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? SK_LMODE_AUTOFULL : SK_LMODE_AUTOHALF;
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instance = pnmiInstance(pNet);
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if (SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_LINK_MODE,
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&buf, &len, instance, pNet->NetNr) != SK_PNMI_ERR_OK)
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return -EINVAL;
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switch(ecmd->speed) {
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case SPEED_1000:
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*buf = SK_LSPEED_1000MBPS;
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break;
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case SPEED_100:
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*buf = SK_LSPEED_100MBPS;
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break;
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case SPEED_10:
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*buf = SK_LSPEED_10MBPS;
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}
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if (SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_SPEED_MODE,
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&buf, &len, instance, pNet->NetNr) != SK_PNMI_ERR_OK)
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return -EINVAL;
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return 0;
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}
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/*****************************************************************************
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*
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* getDriverInfo - returns generic driver and adapter information
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*
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* Description:
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* Generic driver information is returned via this function, such as
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* the name of the driver, its version and and firmware version.
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* In addition to this, the location of the selected adapter is
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* returned as a bus info string (e.g. '01:05.0').
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*
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* Returns: N/A
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*
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*/
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static void getDriverInfo(struct net_device *dev, struct ethtool_drvinfo *info)
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{
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const DEV_NET *pNet = netdev_priv(dev);
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const SK_AC *pAC = pNet->pAC;
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char vers[32];
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snprintf(vers, sizeof(vers)-1, VER_STRING "(v%d.%d)",
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(pAC->GIni.GIPciHwRev >> 4) & 0xf, pAC->GIni.GIPciHwRev & 0xf);
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strlcpy(info->driver, DRIVER_FILE_NAME, sizeof(info->driver));
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strcpy(info->version, vers);
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strcpy(info->fw_version, "N/A");
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strlcpy(info->bus_info, pci_name(pAC->PciDev), ETHTOOL_BUSINFO_LEN);
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}
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/*
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* Ethtool statistics support.
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*/
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static const char StringsStats[][ETH_GSTRING_LEN] = {
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"rx_packets", "tx_packets",
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"rx_bytes", "tx_bytes",
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"rx_errors", "tx_errors",
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"rx_dropped", "tx_dropped",
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"multicasts", "collisions",
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"rx_length_errors", "rx_buffer_overflow_errors",
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"rx_crc_errors", "rx_frame_errors",
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"rx_too_short_errors", "rx_too_long_errors",
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"rx_carrier_extension_errors", "rx_symbol_errors",
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"rx_llc_mac_size_errors", "rx_carrier_errors",
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"rx_jabber_errors", "rx_missed_errors",
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"tx_abort_collision_errors", "tx_carrier_errors",
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"tx_buffer_underrun_errors", "tx_heartbeat_errors",
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"tx_window_errors",
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};
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static int getStatsCount(struct net_device *dev)
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{
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return ARRAY_SIZE(StringsStats);
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}
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static void getStrings(struct net_device *dev, u32 stringset, u8 *data)
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{
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switch(stringset) {
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case ETH_SS_STATS:
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memcpy(data, *StringsStats, sizeof(StringsStats));
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break;
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}
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}
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static void getEthtoolStats(struct net_device *dev,
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struct ethtool_stats *stats, u64 *data)
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{
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const DEV_NET *pNet = netdev_priv(dev);
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const SK_AC *pAC = pNet->pAC;
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const SK_PNMI_STRUCT_DATA *pPnmiStruct = &pAC->PnmiStruct;
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*data++ = pPnmiStruct->Stat[0].StatRxOkCts;
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*data++ = pPnmiStruct->Stat[0].StatTxOkCts;
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*data++ = pPnmiStruct->Stat[0].StatRxOctetsOkCts;
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*data++ = pPnmiStruct->Stat[0].StatTxOctetsOkCts;
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*data++ = pPnmiStruct->InErrorsCts;
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*data++ = pPnmiStruct->Stat[0].StatTxSingleCollisionCts;
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*data++ = pPnmiStruct->RxNoBufCts;
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*data++ = pPnmiStruct->TxNoBufCts;
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*data++ = pPnmiStruct->Stat[0].StatRxMulticastOkCts;
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*data++ = pPnmiStruct->Stat[0].StatTxSingleCollisionCts;
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*data++ = pPnmiStruct->Stat[0].StatRxRuntCts;
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*data++ = pPnmiStruct->Stat[0].StatRxFifoOverflowCts;
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*data++ = pPnmiStruct->Stat[0].StatRxFcsCts;
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*data++ = pPnmiStruct->Stat[0].StatRxFramingCts;
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*data++ = pPnmiStruct->Stat[0].StatRxShortsCts;
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*data++ = pPnmiStruct->Stat[0].StatRxTooLongCts;
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*data++ = pPnmiStruct->Stat[0].StatRxCextCts;
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*data++ = pPnmiStruct->Stat[0].StatRxSymbolCts;
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*data++ = pPnmiStruct->Stat[0].StatRxIRLengthCts;
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*data++ = pPnmiStruct->Stat[0].StatRxCarrierCts;
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*data++ = pPnmiStruct->Stat[0].StatRxJabberCts;
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*data++ = pPnmiStruct->Stat[0].StatRxMissedCts;
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*data++ = pAC->stats.tx_aborted_errors;
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*data++ = pPnmiStruct->Stat[0].StatTxCarrierCts;
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*data++ = pPnmiStruct->Stat[0].StatTxFifoUnderrunCts;
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*data++ = pPnmiStruct->Stat[0].StatTxCarrierCts;
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*data++ = pAC->stats.tx_window_errors;
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}
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/*****************************************************************************
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*
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* toggleLeds - Changes the LED state of an adapter
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*
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* Description:
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* This function changes the current state of all LEDs of an adapter so
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* that it can be located by a user.
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*
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* Returns: N/A
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*
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*/
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static void toggleLeds(DEV_NET *pNet, int on)
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{
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SK_AC *pAC = pNet->pAC;
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int port = pNet->PortNr;
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void __iomem *io = pAC->IoBase;
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if (pAC->GIni.GIGenesis) {
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SK_OUT8(io, MR_ADDR(port,LNK_LED_REG),
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on ? SK_LNK_ON : SK_LNK_OFF);
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SkGeYellowLED(pAC, io,
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on ? (LED_ON >> 1) : (LED_OFF >> 1));
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SkGeXmitLED(pAC, io, MR_ADDR(port,RX_LED_INI),
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on ? SK_LED_TST : SK_LED_DIS);
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if (pAC->GIni.GP[port].PhyType == SK_PHY_BCOM)
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SkXmPhyWrite(pAC, io, port, PHY_BCOM_P_EXT_CTRL,
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on ? PHY_B_PEC_LED_ON : PHY_B_PEC_LED_OFF);
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else if (pAC->GIni.GP[port].PhyType == SK_PHY_LONE)
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SkXmPhyWrite(pAC, io, port, PHY_LONE_LED_CFG,
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on ? 0x0800 : PHY_L_LC_LEDT);
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else
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SkGeXmitLED(pAC, io, MR_ADDR(port,TX_LED_INI),
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on ? SK_LED_TST : SK_LED_DIS);
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} else {
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const u16 YukLedOn = (PHY_M_LED_MO_DUP(MO_LED_ON) |
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PHY_M_LED_MO_10(MO_LED_ON) |
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PHY_M_LED_MO_100(MO_LED_ON) |
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PHY_M_LED_MO_1000(MO_LED_ON) |
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PHY_M_LED_MO_RX(MO_LED_ON));
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const u16 YukLedOff = (PHY_M_LED_MO_DUP(MO_LED_OFF) |
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PHY_M_LED_MO_10(MO_LED_OFF) |
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PHY_M_LED_MO_100(MO_LED_OFF) |
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PHY_M_LED_MO_1000(MO_LED_OFF) |
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PHY_M_LED_MO_RX(MO_LED_OFF));
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SkGmPhyWrite(pAC,io,port,PHY_MARV_LED_CTRL,0);
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SkGmPhyWrite(pAC,io,port,PHY_MARV_LED_OVER,
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on ? YukLedOn : YukLedOff);
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}
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}
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/*****************************************************************************
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*
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* skGeBlinkTimer - Changes the LED state of an adapter
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*
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* Description:
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* This function changes the current state of all LEDs of an adapter so
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* that it can be located by a user. If the requested time interval for
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* this test has elapsed, this function cleans up everything that was
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* temporarily setup during the locate NIC test. This involves of course
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* also closing or opening any adapter so that the initial board state
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* is recovered.
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*
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* Returns: N/A
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*
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*/
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void SkGeBlinkTimer(unsigned long data)
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{
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struct net_device *dev = (struct net_device *) data;
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DEV_NET *pNet = netdev_priv(dev);
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SK_AC *pAC = pNet->pAC;
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toggleLeds(pNet, pAC->LedsOn);
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pAC->LedsOn = !pAC->LedsOn;
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mod_timer(&pAC->BlinkTimer, jiffies + HZ/4);
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}
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/*****************************************************************************
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*
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* locateDevice - start the locate NIC feature of the elected adapter
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*
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* Description:
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* This function is used if the user want to locate a particular NIC.
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* All LEDs are regularly switched on and off, so the NIC can easily
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* be identified.
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*
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* Returns:
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* ==0: everything fine, no error, locateNIC test was started
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* !=0: one locateNIC test runs already
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*
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*/
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static int locateDevice(struct net_device *dev, u32 data)
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{
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DEV_NET *pNet = netdev_priv(dev);
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SK_AC *pAC = pNet->pAC;
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if(!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
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data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
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/* start blinking */
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pAC->LedsOn = 0;
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mod_timer(&pAC->BlinkTimer, jiffies);
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msleep_interruptible(data * 1000);
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del_timer_sync(&pAC->BlinkTimer);
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toggleLeds(pNet, 0);
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return 0;
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}
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/*****************************************************************************
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*
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* getPauseParams - retrieves the pause parameters
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*
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* Description:
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* All current pause parameters of a selected adapter are placed
|
|
* in the passed ethtool_pauseparam structure and are returned.
|
|
*
|
|
* Returns: N/A
|
|
*
|
|
*/
|
|
static void getPauseParams(struct net_device *dev, struct ethtool_pauseparam *epause)
|
|
{
|
|
DEV_NET *pNet = netdev_priv(dev);
|
|
SK_AC *pAC = pNet->pAC;
|
|
SK_GEPORT *pPort = &pAC->GIni.GP[pNet->PortNr];
|
|
|
|
epause->rx_pause = (pPort->PFlowCtrlMode == SK_FLOW_MODE_SYMMETRIC) ||
|
|
(pPort->PFlowCtrlMode == SK_FLOW_MODE_SYM_OR_REM);
|
|
|
|
epause->tx_pause = epause->rx_pause || (pPort->PFlowCtrlMode == SK_FLOW_MODE_LOC_SEND);
|
|
epause->autoneg = epause->rx_pause || epause->tx_pause;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* setPauseParams - configures the pause parameters of an adapter
|
|
*
|
|
* Description:
|
|
* This function sets the Rx or Tx pause parameters
|
|
*
|
|
* Returns:
|
|
* ==0: everything fine, no error
|
|
* !=0: the return value is the error code of the failure
|
|
*/
|
|
static int setPauseParams(struct net_device *dev , struct ethtool_pauseparam *epause)
|
|
{
|
|
DEV_NET *pNet = netdev_priv(dev);
|
|
SK_AC *pAC = pNet->pAC;
|
|
SK_GEPORT *pPort = &pAC->GIni.GP[pNet->PortNr];
|
|
u32 instance = pnmiInstance(pNet);
|
|
struct ethtool_pauseparam old;
|
|
u8 oldspeed = pPort->PLinkSpeedUsed;
|
|
char buf[4];
|
|
int len = 1;
|
|
int ret;
|
|
|
|
/*
|
|
** we have to determine the current settings to see if
|
|
** the operator requested any modification of the flow
|
|
** control parameters...
|
|
*/
|
|
getPauseParams(dev, &old);
|
|
|
|
/*
|
|
** perform modifications regarding the changes
|
|
** requested by the operator
|
|
*/
|
|
if (epause->autoneg != old.autoneg)
|
|
*buf = epause->autoneg ? SK_FLOW_MODE_NONE : SK_FLOW_MODE_SYMMETRIC;
|
|
else {
|
|
if (epause->rx_pause && epause->tx_pause)
|
|
*buf = SK_FLOW_MODE_SYMMETRIC;
|
|
else if (epause->rx_pause && !epause->tx_pause)
|
|
*buf = SK_FLOW_MODE_SYM_OR_REM;
|
|
else if (!epause->rx_pause && epause->tx_pause)
|
|
*buf = SK_FLOW_MODE_LOC_SEND;
|
|
else
|
|
*buf = SK_FLOW_MODE_NONE;
|
|
}
|
|
|
|
ret = SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_FLOWCTRL_MODE,
|
|
&buf, &len, instance, pNet->NetNr);
|
|
|
|
if (ret != SK_PNMI_ERR_OK) {
|
|
SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_CTRL,
|
|
("ethtool (sk98lin): error changing rx/tx pause (%i)\n", ret));
|
|
goto err;
|
|
}
|
|
|
|
/*
|
|
** It may be that autoneg has been disabled! Therefore
|
|
** set the speed to the previously used value...
|
|
*/
|
|
if (!epause->autoneg) {
|
|
len = 1;
|
|
ret = SkPnmiSetVar(pAC, pAC->IoBase, OID_SKGE_SPEED_MODE,
|
|
&oldspeed, &len, instance, pNet->NetNr);
|
|
if (ret != SK_PNMI_ERR_OK)
|
|
SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_CTRL,
|
|
("ethtool (sk98lin): error setting speed (%i)\n", ret));
|
|
}
|
|
err:
|
|
return ret ? -EIO : 0;
|
|
}
|
|
|
|
/* Only Yukon supports checksum offload. */
|
|
static int setScatterGather(struct net_device *dev, u32 data)
|
|
{
|
|
DEV_NET *pNet = netdev_priv(dev);
|
|
SK_AC *pAC = pNet->pAC;
|
|
|
|
if (pAC->GIni.GIChipId == CHIP_ID_GENESIS)
|
|
return -EOPNOTSUPP;
|
|
return ethtool_op_set_sg(dev, data);
|
|
}
|
|
|
|
static int setTxCsum(struct net_device *dev, u32 data)
|
|
{
|
|
DEV_NET *pNet = netdev_priv(dev);
|
|
SK_AC *pAC = pNet->pAC;
|
|
|
|
if (pAC->GIni.GIChipId == CHIP_ID_GENESIS)
|
|
return -EOPNOTSUPP;
|
|
|
|
return ethtool_op_set_tx_csum(dev, data);
|
|
}
|
|
|
|
static u32 getRxCsum(struct net_device *dev)
|
|
{
|
|
DEV_NET *pNet = netdev_priv(dev);
|
|
SK_AC *pAC = pNet->pAC;
|
|
|
|
return pAC->RxPort[pNet->PortNr].RxCsum;
|
|
}
|
|
|
|
static int setRxCsum(struct net_device *dev, u32 data)
|
|
{
|
|
DEV_NET *pNet = netdev_priv(dev);
|
|
SK_AC *pAC = pNet->pAC;
|
|
|
|
if (pAC->GIni.GIChipId == CHIP_ID_GENESIS)
|
|
return -EOPNOTSUPP;
|
|
|
|
pAC->RxPort[pNet->PortNr].RxCsum = data != 0;
|
|
return 0;
|
|
}
|
|
|
|
struct ethtool_ops SkGeEthtoolOps = {
|
|
.get_settings = getSettings,
|
|
.set_settings = setSettings,
|
|
.get_drvinfo = getDriverInfo,
|
|
.get_strings = getStrings,
|
|
.get_stats_count = getStatsCount,
|
|
.get_ethtool_stats = getEthtoolStats,
|
|
.phys_id = locateDevice,
|
|
.get_pauseparam = getPauseParams,
|
|
.set_pauseparam = setPauseParams,
|
|
.get_link = ethtool_op_get_link,
|
|
.get_perm_addr = ethtool_op_get_perm_addr,
|
|
.get_sg = ethtool_op_get_sg,
|
|
.set_sg = setScatterGather,
|
|
.get_tx_csum = ethtool_op_get_tx_csum,
|
|
.set_tx_csum = setTxCsum,
|
|
.get_rx_csum = getRxCsum,
|
|
.set_rx_csum = setRxCsum,
|
|
};
|