diff options
| author | Detlev Zundel <dzu@denx.de> | 2010-03-08 14:02:57 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-03-12 09:49:23 +0100 |
| commit | 9c9cbe78dcb0afad081670cb1bdc82d227095cae (patch) | |
| tree | 96ff52644a17dd954534487f2e9ea6ffcef19d89 /drivers/net/sk98lin/skge.c | |
| parent | ca02f6f8dc4966b2a019b15e01b5070189327df2 (diff) | |
| download | u-boot-imx-9c9cbe78dcb0afad081670cb1bdc82d227095cae.zip u-boot-imx-9c9cbe78dcb0afad081670cb1bdc82d227095cae.tar.gz u-boot-imx-9c9cbe78dcb0afad081670cb1bdc82d227095cae.tar.bz2 | |
mpc82xx: Remove SL8245 board and the now orpahned sk98lin network driver.
This code has compile problems and the company does not even exist any
more. So we take the liberty to drop support for it.
Signed-off-by: Detlev Zundel <dzu@denx.de>
CC: Wolfgang Denk <wd@denx.de>
CC: Ben Warren <biggerbadderben@gmail.com>
Diffstat (limited to 'drivers/net/sk98lin/skge.c')
| -rw-r--r-- | drivers/net/sk98lin/skge.c | 4866 |
1 files changed, 0 insertions, 4866 deletions
diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c deleted file mode 100644 index df764b4..0000000 --- a/drivers/net/sk98lin/skge.c +++ /dev/null @@ -1,4866 +0,0 @@ -/****************************************************************************** - * - * Name: skge.c - * Project: GEnesis, PCI Gigabit Ethernet Adapter - * Version: $Revision: 1.46 $ - * Date: $Date: 2003/02/25 14:16:36 $ - * Purpose: The main driver source module - * - ******************************************************************************/ - -/****************************************************************************** - * - * (C)Copyright 1998-2003 SysKonnect GmbH. - * - * Driver for SysKonnect Gigabit Ethernet Server Adapters: - * - * SK-9871 (single link 1000Base-ZX) - * SK-9872 (dual link 1000Base-ZX) - * SK-9861 (single link 1000Base-SX, VF45 Volition Plug) - * SK-9862 (dual link 1000Base-SX, VF45 Volition Plug) - * SK-9841 (single link 1000Base-LX) - * SK-9842 (dual link 1000Base-LX) - * SK-9843 (single link 1000Base-SX) - * SK-9844 (dual link 1000Base-SX) - * SK-9821 (single link 1000Base-T) - * SK-9822 (dual link 1000Base-T) - * SK-9881 (single link 1000Base-SX V2 LC) - * SK-9871 (single link 1000Base-ZX V2) - * SK-9861 (single link 1000Base-SX V2, VF45 Volition Plug) - * SK-9841 (single link 1000Base-LX V2) - * SK-9843 (single link 1000Base-SX V2) - * SK-9821 (single link 1000Base-T V2) - * - * Created 10-Feb-1999, based on Linux' acenic.c, 3c59x.c and - * SysKonnects GEnesis Solaris driver - * Author: Christoph Goos (cgoos@syskonnect.de) - * Mirko Lindner (mlindner@syskonnect.de) - * - * Address all question to: linux@syskonnect.de - * - * The technical manual for the adapters is available from SysKonnect's - * web pages: www.syskonnect.com - * Goto "Support" and search Knowledge Base for "manual". - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * The information in this file is provided "AS IS" without warranty. - * - ******************************************************************************/ - -/****************************************************************************** - * - * History: - * - * $Log: skge.c,v $ - * Revision 1.46 2003/02/25 14:16:36 mlindner - * Fix: Copyright statement - * - * Revision 1.45 2003/02/25 13:25:55 mlindner - * Add: Performance improvements - * Add: Support for various vendors - * Fix: Init function - * - * Revision 1.44 2003/01/09 09:25:26 mlindner - * Fix: Remove useless init_module/cleanup_module forward declarations - * - * Revision 1.43 2002/11/29 08:42:41 mlindner - * Fix: Boot message - * - * Revision 1.42 2002/11/28 13:30:23 mlindner - * Add: New frame check - * - * Revision 1.41 2002/11/27 13:55:18 mlindner - * Fix: Drop wrong csum packets - * Fix: Initialize proc_entry after hw check - * - * Revision 1.40 2002/10/31 07:50:37 tschilli - * Function SkGeInitAssignRamToQueues() from common module inserted. - * Autonegotiation is set to ON for all adapters. - * LinkSpeedUsed is used in link up status report. - * Role parameter will show up for 1000 Mbps links only. - * GetConfiguration() inserted after init level 1 in SkGeChangeMtu(). - * All return values of SkGeInit() and SkGeInitPort() are checked. - * - * Revision 1.39 2002/10/02 12:56:05 mlindner - * Add: Support for Yukon - * Add: Support for ZEROCOPY, scatter-gather and hw checksum - * Add: New transmit ring function (use SG and TCP/UDP hardware checksumming) - * Add: New init function - * Add: Speed check and setup - * Add: Merge source for kernel 2.2.x and 2.4.x - * Add: Opcode check for tcp - * Add: Frame length check - * Fix: Transmit complete interrupt - * Fix: Interrupt moderation - * - * Revision 1.29.2.13 2002/01/14 12:44:52 mlindner - * Fix: Rlmt modes - * - * Revision 1.29.2.12 2001/12/07 12:06:18 mlindner - * Fix: malloc -> slab changes - * - * Revision 1.29.2.11 2001/12/06 15:19:20 mlindner - * Add: DMA attributes - * Fix: Module initialisation - * Fix: pci_map_single and pci_unmap_single replaced - * - * Revision 1.29.2.10 2001/12/06 09:56:50 mlindner - * Corrected some printk's - * - * Revision 1.29.2.9 2001/09/05 12:15:34 mlindner - * Add: LBFO Changes - * Fix: Counter Errors (Jumbo == to long errors) - * Fix: Changed pAC->PciDev declaration - * Fix: too short counters - * - * Revision 1.29.2.8 2001/06/25 12:10:44 mlindner - * fix: ReceiveIrq() changed. - * - * Revision 1.29.2.7 2001/06/25 08:07:05 mlindner - * fix: RLMT locking in ReceiveIrq() changed. - * - * Revision 1.29.2.6 2001/05/21 07:59:29 mlindner - * fix: MTU init problems - * - * Revision 1.29.2.5 2001/05/08 11:25:08 mlindner - * fix: removed VLAN error message - * - * Revision 1.29.2.4 2001/05/04 13:31:43 gklug - * fix: do not handle eth_copy on bad fragments received. - * - * Revision 1.29.2.3 2001/04/23 08:06:43 mlindner - * Fix: error handling - * - * Revision 1.29.2.2 2001/03/15 12:04:54 mlindner - * Fixed memory problem - * - * Revision 1.29.2.1 2001/03/12 16:41:44 mlindner - * add: procfs function - * add: dual-net function - * add: RLMT networks - * add: extended PNMI features - * - * Kernel 2.4.x specific: - * Revision 1.xx 2000/09/12 13:31:56 cgoos - * Fixed missign "dev=NULL in skge_probe. - * Added counting for jumbo frames (corrects error statistic). - * Removed VLAN tag check (enables VLAN support). - * - * Kernel 2.2.x specific: - * Revision 1.29 2000/02/21 13:31:56 cgoos - * Fixed "unused" warning for UltraSPARC change. - * - * Partially kernel 2.2.x specific: - * Revision 1.28 2000/02/21 10:32:36 cgoos - * Added fixes for UltraSPARC. - * Now printing RlmtMode and PrefPort setting at startup. - * Changed XmitFrame return value. - * Fixed rx checksum calculation for BIG ENDIAN systems. - * Fixed rx jumbo frames counted as ierrors. - * - * - * Revision 1.27 1999/11/25 09:06:28 cgoos - * Changed base_addr to unsigned long. - * - * Revision 1.26 1999/11/22 13:29:16 cgoos - * Changed license header to GPL. - * Changes for inclusion in linux kernel (2.2.13). - * Removed 2.0.x defines. - * Changed SkGeProbe to skge_probe. - * Added checks in SkGeIoctl. - * - * Revision 1.25 1999/10/07 14:47:52 cgoos - * Changed 984x to 98xx. - * - * Revision 1.24 1999/09/30 07:21:01 cgoos - * Removed SK_RLMT_SLOW_LOOKAHEAD option. - * Giving spanning tree packets also to OS now. - * - * Revision 1.23 1999/09/29 07:36:50 cgoos - * Changed assignment for IsBc/IsMc. - * - * Revision 1.22 1999/09/28 12:57:09 cgoos - * Added CheckQueue also to Single-Port-ISR. - * - * Revision 1.21 1999/09/28 12:42:41 cgoos - * Changed parameter strings for RlmtMode. - * - * Revision 1.20 1999/09/28 12:37:57 cgoos - * Added CheckQueue for fast delivery of RLMT frames. - * - * Revision 1.19 1999/09/16 07:57:25 cgoos - * Copperfield changes. - * - * Revision 1.18 1999/09/03 13:06:30 cgoos - * Fixed RlmtMode=CheckSeg bug: wrong DEV_KFREE_SKB in RLMT_SEND caused - * double allocated skb's. - * FrameStat in ReceiveIrq was accessed via wrong Rxd. - * Queue size for async. standby Tx queue was zero. - * FillRxLimit of 0 could cause problems with ReQueue, changed to 1. - * Removed debug output of checksum statistic. - * - * Revision 1.17 1999/08/11 13:55:27 cgoos - * Transmit descriptor polling was not reenabled after SkGePortInit. - * - * Revision 1.16 1999/07/27 15:17:29 cgoos - * Added some "\n" in output strings (removed while debuging...). - * - * Revision 1.15 1999/07/23 12:09:30 cgoos - * Performance optimization, rx checksumming, large frame support. - * - * Revision 1.14 1999/07/14 11:26:27 cgoos - * Removed Link LED settings (now in RLMT). - * Added status output at NET UP. - * Fixed SMP problems with Tx and SWITCH running in parallel. - * Fixed return code problem at RLMT_SEND event. - * - * Revision 1.13 1999/04/07 10:11:42 cgoos - * Fixed Single Port problems. - * Fixed Multi-Adapter problems. - * Always display startup string. - * - * Revision 1.12 1999/03/29 12:26:37 cgoos - * Reversed locking to fine granularity. - * Fixed skb double alloc problem (caused by incorrect xmit return code). - * Enhanced function descriptions. - * - * Revision 1.11 1999/03/15 13:10:51 cgoos - * Changed device identifier in output string to ethX. - * - * Revision 1.10 1999/03/15 12:12:34 cgoos - * Changed copyright notice. - * - * Revision 1.9 1999/03/15 12:10:17 cgoos - * Changed locking to one driver lock. - * Added check of SK_AC-size (for consistency with library). - * - * Revision 1.8 1999/03/08 11:44:02 cgoos - * Fixed missing dev->tbusy in SkGeXmit. - * Changed large frame (jumbo) buffer number. - * Added copying of short frames. - * - * Revision 1.7 1999/03/04 13:26:57 cgoos - * Fixed spinlock calls for SMP. - * - * Revision 1.6 1999/03/02 09:53:51 cgoos - * Added descriptor revertion for big endian machines. - * - * Revision 1.5 1999/03/01 08:50:59 cgoos - * Fixed SkGeChangeMtu. - * Fixed pci config space accesses. - * - * Revision 1.4 1999/02/18 15:48:44 cgoos - * Corrected some printk's. - * - * Revision 1.3 1999/02/18 12:45:55 cgoos - * Changed SK_MAX_CARD_PARAM to default 16 - * - * Revision 1.2 1999/02/18 10:55:32 cgoos - * Removed SkGeDrvTimeStamp function. - * Printing "ethX:" before adapter type at adapter init. - * - * - * 10-Feb-1999 cg Created, based on Linux' acenic.c, 3c59x.c and - * SysKonnects GEnesis Solaris driver - * - ******************************************************************************/ - -/****************************************************************************** - * - * Possible compiler options (#define xxx / -Dxxx): - * - * debugging can be enable by changing SK_DEBUG_CHKMOD and - * SK_DEBUG_CHKCAT in makefile (described there). - * - ******************************************************************************/ - -/****************************************************************************** - * - * Description: - * - * This is the main module of the Linux GE driver. - * - * All source files except skge.c, skdrv1st.h, skdrv2nd.h and sktypes.h - * are part of SysKonnect's COMMON MODULES for the SK-98xx adapters. - * Those are used for drivers on multiple OS', so some thing may seem - * unnecessary complicated on Linux. Please do not try to 'clean up' - * them without VERY good reasons, because this will make it more - * difficult to keep the Linux driver in synchronisation with the - * other versions. - * - * Include file hierarchy: - * - * <linux/module.h> - * - * "h/skdrv1st.h" - * <linux/version.h> - * <linux/types.h> - * <linux/kernel.h> - * <linux/string.h> - * <linux/errno.h> - * <linux/ioport.h> - * <linux/slab.h> - * <linux/interrupt.h> - * <linux/pci.h> - * <asm/byteorder.h> - * <asm/bitops.h> - * <asm/io.h> - * <linux/netdevice.h> - * <linux/etherdevice.h> - * <linux/skbuff.h> - * those three depending on kernel version used: - * <linux/bios32.h> - * <linux/init.h> - * <asm/uaccess.h> - * <net/checksum.h> - * - * "h/skerror.h" - * "h/skdebug.h" - * "h/sktypes.h" - * "h/lm80.h" - * "h/xmac_ii.h" - * - * "h/skdrv2nd.h" - * "h/skqueue.h" - * "h/skgehwt.h" - * "h/sktimer.h" - * "h/ski2c.h" - * "h/skgepnmi.h" - * "h/skvpd.h" - * "h/skgehw.h" - * "h/skgeinit.h" - * "h/skaddr.h" - * "h/skgesirq.h" - * "h/skcsum.h" - * "h/skrlmt.h" - * - ******************************************************************************/ - -#include <config.h> - -#include "h/skversion.h" -#if 0 -#include <linux/module.h> -#include <linux/init.h> -#include <linux/proc_fs.h> -#endif -#include "h/skdrv1st.h" -#include "h/skdrv2nd.h" - - -/* defines ******************************************************************/ -/* for debuging on x86 only */ -/* #define BREAKPOINT() asm(" int $3"); */ - -/* use the scatter-gather functionality with sendfile() */ -#if 0 -#define SK_ZEROCOPY -#endif - -/* use of a transmit complete interrupt */ -#define USE_TX_COMPLETE - -/* use interrupt moderation (for tx complete only) */ -#define USE_INT_MOD -#define INTS_PER_SEC 1000 - -/* - * threshold for copying small receive frames - * set to 0 to avoid copying, set to 9001 to copy all frames - */ -#define SK_COPY_THRESHOLD 50 - -/* number of adapters that can be configured via command line params */ -#define SK_MAX_CARD_PARAM 16 - - -/* - * use those defines for a compile-in version of the driver instead - * of command line parameters - */ -/* #define LINK_SPEED_A {"Auto", } */ -/* #define LINK_SPEED_B {"Auto", } */ -/* #define AUTO_NEG_A {"Sense", } */ -/* #define AUTO_NEG_B {"Sense", } */ -/* #define DUP_CAP_A {"Both", } */ -/* #define DUP_CAP_B {"Both", } */ -/* #define FLOW_CTRL_A {"SymOrRem", } */ -/* #define FLOW_CTRL_B {"SymOrRem", } */ -/* #define ROLE_A {"Auto", } */ -/* #define ROLE_B {"Auto", } */ -/* #define PREF_PORT {"A", } */ -/* #define RLMT_MODE {"CheckLinkState", } */ - -#define DEV_KFREE_SKB(skb) dev_kfree_skb(skb) -#define DEV_KFREE_SKB_IRQ(skb) dev_kfree_skb_irq(skb) -#define DEV_KFREE_SKB_ANY(skb) dev_kfree_skb_any(skb) - -/* function prototypes ******************************************************/ -static void FreeResources(struct SK_NET_DEVICE *dev); -static int SkGeBoardInit(struct SK_NET_DEVICE *dev, SK_AC *pAC); -static SK_BOOL BoardAllocMem(SK_AC *pAC); -static void BoardFreeMem(SK_AC *pAC); -static void BoardInitMem(SK_AC *pAC); -static void SetupRing(SK_AC*, void*, uintptr_t, RXD**, RXD**, RXD**, - int*, SK_BOOL); - -#if 0 -static void SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs); -static void SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs); -static int SkGeOpen(struct SK_NET_DEVICE *dev); -static int SkGeClose(struct SK_NET_DEVICE *dev); -static int SkGeXmit(struct sk_buff *skb, struct SK_NET_DEVICE *dev); -static int SkGeSetMacAddr(struct SK_NET_DEVICE *dev, void *p); -static void SkGeSetRxMode(struct SK_NET_DEVICE *dev); -static struct net_device_stats *SkGeStats(struct SK_NET_DEVICE *dev); -static int SkGeIoctl(struct SK_NET_DEVICE *dev, struct ifreq *rq, int cmd); -#else -void SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs); -void SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs); -int SkGeOpen(struct SK_NET_DEVICE *dev); -int SkGeClose(struct SK_NET_DEVICE *dev); -int SkGeXmit(struct sk_buff *skb, struct SK_NET_DEVICE *dev); -#endif -static void GetConfiguration(SK_AC*); -static void ProductStr(SK_AC*); -static int XmitFrame(SK_AC*, TX_PORT*, struct sk_buff*); -static void FreeTxDescriptors(SK_AC*pAC, TX_PORT*); -static void FillRxRing(SK_AC*, RX_PORT*); -static SK_BOOL FillRxDescriptor(SK_AC*, RX_PORT*); -#if 0 -static void ReceiveIrq(SK_AC*, RX_PORT*, SK_BOOL); -#else -void ReceiveIrq(SK_AC*, RX_PORT*, SK_BOOL); -#endif -static void ClearAndStartRx(SK_AC*, int); -static void ClearTxIrq(SK_AC*, int, int); -static void ClearRxRing(SK_AC*, RX_PORT*); -static void ClearTxRing(SK_AC*, TX_PORT*); -#if 0 -static void SetQueueSizes(SK_AC *pAC); - -static int SkGeChangeMtu(struct SK_NET_DEVICE *dev, int new_mtu); -#endif -static void PortReInitBmu(SK_AC*, int); -#if 0 -static int SkGeIocMib(DEV_NET*, unsigned int, int); -static int XmitFrameSG(SK_AC*, TX_PORT*, struct sk_buff*); -#endif - -/*Extern */ - -/* external Proc function */ -extern int proc_read( - char *buffer, - char **buffer_location, - off_t offset, - int buffer_length, - int *eof, - void *data); - -#ifdef DEBUG -static void DumpMsg(struct sk_buff*, char*); -static void DumpData(char*, int); -static void DumpLong(char*, int); -#endif -void dump_frag( SK_U8 *data, int length); - -/* global variables *********************************************************/ -#if 0 -static const char *BootString = BOOT_STRING; -#endif -struct SK_NET_DEVICE *SkGeRootDev = NULL; -static int probed __initdata = 0; - -/* local variables **********************************************************/ -static uintptr_t TxQueueAddr[SK_MAX_MACS][2] = {{0x680, 0x600},{0x780, 0x700}}; -static uintptr_t RxQueueAddr[SK_MAX_MACS] = {0x400, 0x480}; - - -/* local variables **********************************************************/ -const char SK_Root_Dir_entry[8]; - -#if 0 -static struct proc_dir_entry *pSkRootDir; -#endif - - -static struct pci_device_id supported[] = { - {PCI_VENDOR_ID_3COM, 0x1700}, - {PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_GE}, - {PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_YU}, - {} -}; - - -/***************************************************************************** - * - * skge_probe - find all SK-98xx adapters - * - * Description: - * This function scans the PCI bus for SK-98xx adapters. Resources for - * each adapter are allocated and the adapter is brought into Init 1 - * state. - * - * Returns: - * 0, if everything is ok - * !=0, on error - */ -#if 0 -static int __init skge_probe (void) -#else -int skge_probe (struct eth_device ** ret_dev) -#endif -{ -#if 0 - int proc_root_initialized = 0; -#endif - int boards_found = 0; -#if 0 - int vendor_flag = SK_FALSE; -#endif - SK_AC *pAC; - DEV_NET *pNet = NULL; -#if 0 - struct proc_dir_entry *pProcFile; - struct pci_dev *pdev = NULL; - unsigned long base_address; -#else - u32 base_address; -#endif - struct SK_NET_DEVICE *dev = NULL; -#if 0 - SK_BOOL DeviceFound = SK_FALSE; -#endif - SK_BOOL BootStringCount = SK_FALSE; -#if 1 - pci_dev_t devno; -#endif - - if (probed) - return -ENODEV; - probed++; - - if (!pci_present()) /* is PCI support present? */ - return -ENODEV; - -#if 0 - while((pdev = pci_find_class(PCI_CLASS_NETWORK_ETHERNET << 8, pdev))) -#else - while((devno = pci_find_devices (supported, boards_found)) >= 0) -#endif - { - - dev = NULL; - pNet = NULL; - - -#if 0 - SK_PCI_ISCOMPLIANT(vendor_flag, pdev); - if (!vendor_flag) - continue; -#endif - -/* if ((pdev->vendor != PCI_VENDOR_ID_SYSKONNECT) && - ((pdev->device != PCI_DEVICE_ID_SYSKONNECT_GE) || - (pdev->device != PCI_DEVICE_ID_SYSKONNECT_YU))){ - continue; - } -*/ -#if 0 - /* Configure DMA attributes. */ - if (pci_set_dma_mask(pdev, (u64) 0xffffffffffffffff) && - pci_set_dma_mask(pdev, (u64) 0xffffffff)) - continue; -#endif - - -#if 0 - if ((dev = init_etherdev(dev, sizeof(DEV_NET))) == NULL) { - printk(KERN_ERR "Unable to allocate etherdev " - "structure!\n"); - break; - } -#else - dev = malloc (sizeof *dev); - memset(dev, 0, sizeof(*dev)); - dev->priv = malloc(sizeof(DEV_NET)); -#endif - - if (dev->priv == NULL) { - printk(KERN_ERR "Unable to allocate adapter " - "structure!\n"); - break; - } - - pNet = dev->priv; - pNet->pAC = kmalloc(sizeof(SK_AC), GFP_KERNEL); - if (pNet->pAC == NULL){ - kfree(dev->priv); - printk(KERN_ERR "Unable to allocate adapter " - "structure!\n"); - break; - } - - /* Print message */ - if (!BootStringCount) { - /* set display flag to TRUE so that */ - /* we only display this string ONCE */ - BootStringCount = SK_TRUE; -#ifdef SK98_INFO - printk("%s\n", BootString); -#endif - } - - memset(pNet->pAC, 0, sizeof(SK_AC)); - pAC = pNet->pAC; -#if 0 - pAC->PciDev = pdev; - pAC->PciDevId = pdev->device; - pAC->dev[0] = dev; - pAC->dev[1] = dev; -#else - pAC->PciDev = devno; - ret_dev[0] = pAC->dev[0] = dev; - ret_dev[1] = pAC->dev[1] = dev; -#endif - sprintf(pAC->Name, "SysKonnect SK-98xx"); - pAC->CheckQueue = SK_FALSE; - - pNet->Mtu = 1500; - pNet->Up = 0; -#if 0 - dev->irq = pdev->irq; - - dev->open = &SkGeOpen; - dev->stop = &SkGeClose; - dev->hard_start_xmit = &SkGeXmit; - dev->get_stats = &SkGeStats; - dev->set_multicast_list = &SkGeSetRxMode; - dev->set_mac_address = &SkGeSetMacAddr; - dev->do_ioctl = &SkGeIoctl; - dev->change_mtu = &SkGeChangeMtu; - dev->flags &= ~IFF_RUNNING; -#endif - -#ifdef SK_ZEROCOPY - if (pAC->GIni.GIChipId == CHIP_ID_YUKON) { - /* Use only if yukon hardware */ - /* SK and ZEROCOPY - fly baby... */ - dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; - } -#endif - -#if 0 - /* - * Dummy value. - */ - dev->base_addr = 42; - pci_set_master(pdev); - - pci_set_master(pdev); - base_address = pci_resource_start (pdev, 0); -#else - pci_write_config_dword(devno, - PCI_COMMAND, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); - pci_read_config_dword (devno, PCI_BASE_ADDRESS_0, - &base_address); -#endif - -#ifdef SK_BIG_ENDIAN - /* - * On big endian machines, we use the adapter's aibility of - * reading the descriptors as big endian. - */ - { - SK_U32 our2; - SkPciReadCfgDWord(pAC, PCI_OUR_REG_2, &our2); - our2 |= PCI_REV_DESC; - SkPciWriteCfgDWord(pAC, PCI_OUR_REG_2, our2); - } -#endif - - /* - * Remap the regs into kernel space. - */ -#if 0 - pAC->IoBase = (char*)ioremap(base_address, 0x4000); -#else - pAC->IoBase = (char*)pci_mem_to_phys(devno, base_address); -#endif - - if (!pAC->IoBase){ - printk(KERN_ERR "%s: Unable to map I/O register, " - "SK 98xx No. %i will be disabled.\n", - dev->name, boards_found); - kfree(dev); - break; - } - - pAC->Index = boards_found; - if (SkGeBoardInit(dev, pAC)) { - FreeResources(dev); - kfree(dev); - continue; - } - -#if 0 - memcpy((caddr_t) &dev->dev_addr, - (caddr_t) &pAC->Addr.Net[0].CurrentMacAddress, 6); -#else - memcpy((caddr_t) &dev->enetaddr, - (caddr_t) &pAC->Addr.Net[0].CurrentMacAddress, 6); -#endif - -#if 0 - /* First adapter... Create proc and print message */ - if (!DeviceFound) { - DeviceFound = SK_TRUE; - SK_MEMCPY(&SK_Root_Dir_entry, BootString, - sizeof(SK_Root_Dir_entry) - 1); - - /*Create proc (directory)*/ - if(!proc_root_initialized) { - pSkRootDir = create_proc_entry(SK_Root_Dir_entry, - S_IFDIR | S_IWUSR | S_IRUGO | S_IXUGO, proc_net); - proc_root_initialized = 1; - } - - pSkRootDir->owner = THIS_MODULE; - } - - - /* Create proc file */ - pProcFile = create_proc_entry(dev->name, - S_IFREG | S_IXUSR | S_IWGRP | S_IROTH, - pSkRootDir); - - - pProcFile->read_proc = proc_read; - pProcFile->write_proc = NULL; - pProcFile->nlink = 1; - pProcFile->size = sizeof(dev->name + 1); - pProcFile->data = (void *)pProcFile; -#endif - - pNet->PortNr = 0; - pNet->NetNr = 0; - -#ifdef SK_ZEROCOPY - if (pAC->GIni.GIChipId == CHIP_ID_YUKON) { - /* SG and ZEROCOPY - fly baby... */ - dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; - } -#endif - - boards_found++; - - /* More then one port found */ - if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { -#if 0 - if ((dev = init_etherdev(NULL, sizeof(DEV_NET))) == 0) { - printk(KERN_ERR "Unable to allocate etherdev " - "structure!\n"); - break; - } -#else - dev = malloc (sizeof *dev); - memset(dev, 0, sizeof(*dev)); - dev->priv = malloc(sizeof(DEV_NET)); -#endif - - pAC->dev[1] = dev; - pNet = dev->priv; - pNet->PortNr = 1; - pNet->NetNr = 1; - pNet->pAC = pAC; - pNet->Mtu = 1500; - pNet->Up = 0; - -#if 0 - dev->open = &SkGeOpen; - dev->stop = &SkGeClose; - dev->hard_start_xmit = &SkGeXmit; - dev->get_stats = &SkGeStats; - dev->set_multicast_list = &SkGeSetRxMode; - dev->set_mac_address = &SkGeSetMacAddr; - dev->do_ioctl = &SkGeIoctl; - dev->change_mtu = &SkGeChangeMtu; - dev->flags &= ~IFF_RUNNING; -#endif - -#ifdef SK_ZEROCOPY - if (pAC->GIni.GIChipId == CHIP_ID_YUKON) { - /* SG and ZEROCOPY - fly baby... */ - dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; - } -#endif - -#if 0 - pProcFile = create_proc_entry(dev->name, - S_IFREG | S_IXUSR | S_IWGRP | S_IROTH, - pSkRootDir); - - - pProcFile->read_proc = proc_read; - pProcFile->write_proc = NULL; - pProcFile->nlink = 1; - pProcFile->size = sizeof(dev->name + 1); - pProcFile->data = (void *)pProcFile; -#endif - -#if 0 - memcpy((caddr_t) &dev->dev_addr, - (caddr_t) &pAC->Addr.Net[1].CurrentMacAddress, 6); -#else - memcpy((caddr_t) &dev->enetaddr, - (caddr_t) &pAC->Addr.Net[1].CurrentMacAddress, 6); -#endif - - printk("%s: %s\n", dev->name, pAC->DeviceStr); - printk(" PrefPort:B RlmtMode:Dual Check Link State\n"); - - } - - - /* Save the hardware revision */ - pAC->HWRevision = (((pAC->GIni.GIPciHwRev >> 4) & 0x0F)*10) + - (pAC->GIni.GIPciHwRev & 0x0F); - - /* - * This is bollocks, but we need to tell the net-init - * code that it shall go for the next device. - */ -#if 0 -#ifndef MODULE - dev->base_addr = 0; -#endif -#endif - } - - /* - * If we're at this point we're going through skge_probe() for - * the first time. Return success (0) if we've initialized 1 - * or more boards. Otherwise, return failure (-ENODEV). - */ - - return boards_found; -} /* skge_probe */ - - -/***************************************************************************** - * - * FreeResources - release resources allocated for adapter - * - * Description: - * This function releases the IRQ, unmaps the IO and - * frees the desriptor ring. - * - * Returns: N/A - * - */ -static void FreeResources(struct SK_NET_DEVICE *dev) -{ -SK_U32 AllocFlag; -DEV_NET *pNet; -SK_AC *pAC; - - if (dev->priv) { - pNet = (DEV_NET*) dev->priv; - pAC = pNet->pAC; - AllocFlag = pAC->AllocFlag; -#if 0 - if (AllocFlag & SK_ALLOC_IRQ) { - free_irq(dev->irq, dev); - } - if (pAC->IoBase) { - iounmap(pAC->IoBase); - } -#endif - if (pAC->pDescrMem) { - BoardFreeMem(pAC); - } - } - -} /* FreeResources */ - -#if 0 -MODULE_AUTHOR("Mirko Lindner <mlindner@syskonnect.de>"); -MODULE_DESCRIPTION("SysKonnect SK-NET Gigabit Ethernet SK-98xx driver"); -MODULE_LICENSE("GPL"); -MODULE_PARM(Speed_A, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(Speed_B, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(AutoNeg_A, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(AutoNeg_B, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(DupCap_A, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(DupCap_B, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(FlowCtrl_A, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(FlowCtrl_B, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(Role_A, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(Role_B, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(PrefPort, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -MODULE_PARM(RlmtMode, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "s"); -/* not used, just there because every driver should have them: */ -MODULE_PARM(options, "1-" __MODULE_STRING(SK_MAX_CARD_PARAM) "i"); -MODULE_PARM(debug, "i"); -#endif - - -#ifdef LINK_SPEED_A -static char *Speed_A[SK_MAX_CARD_PARAM] = LINK_SPEED_A; -#else -static char *Speed_A[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef LINK_SPEED_B -static char *Speed_B[SK_MAX_CARD_PARAM] = LINK_SPEED_B; -#else -static char *Speed_B[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef AUTO_NEG_A -static char *AutoNeg_A[SK_MAX_CARD_PARAM] = AUTO_NEG_A; -#else -static char *AutoNeg_A[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef DUP_CAP_A -static char *DupCap_A[SK_MAX_CARD_PARAM] = DUP_CAP_A; -#else -static char *DupCap_A[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef FLOW_CTRL_A -static char *FlowCtrl_A[SK_MAX_CARD_PARAM] = FLOW_CTRL_A; -#else -static char *FlowCtrl_A[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef ROLE_A -static char *Role_A[SK_MAX_CARD_PARAM] = ROLE_A; -#else -static char *Role_A[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef AUTO_NEG_B -static char *AutoNeg_B[SK_MAX_CARD_PARAM] = AUTO_NEG_B; -#else -static char *AutoNeg_B[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef DUP_CAP_B -static char *DupCap_B[SK_MAX_CARD_PARAM] = DUP_CAP_B; -#else -static char *DupCap_B[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef FLOW_CTRL_B -static char *FlowCtrl_B[SK_MAX_CARD_PARAM] = FLOW_CTRL_B; -#else -static char *FlowCtrl_B[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef ROLE_B -static char *Role_B[SK_MAX_CARD_PARAM] = ROLE_B; -#else -static char *Role_B[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef PREF_PORT -static char *PrefPort[SK_MAX_CARD_PARAM] = PREF_PORT; -#else -static char *PrefPort[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#ifdef RLMT_MODE -static char *RlmtMode[SK_MAX_CARD_PARAM] = RLMT_MODE; -#else -static char *RlmtMode[SK_MAX_CARD_PARAM] = {"", }; -#endif - -#if 0 -static int debug = 0; /* not used */ -static int options[SK_MAX_CARD_PARAM] = {0, }; /* not used */ - - -/***************************************************************************** - * - * skge_init_module - module initialization function - * - * Description: - * Very simple, only call skge_probe and return approriate result. - * - * Returns: - * 0, if everything is ok - * !=0, on error - */ -static int __init skge_init_module(void) -{ - int cards; - SkGeRootDev = NULL; - - /* just to avoid warnings ... */ - debug = 0; - options[0] = 0; - - cards = skge_probe(); - if (cards == 0) { - printk("sk98lin: No adapter found.\n"); - } - return cards ? 0 : -ENODEV; -} /* skge_init_module */ - - -/***************************************************************************** - * - * skge_cleanup_module - module unload function - * - * Description: - * Disable adapter if it is still running, free resources, - * free device struct. - * - * Returns: N/A - */ -static void __exit skge_cleanup_module(void) -{ -DEV_NET *pNet; -SK_AC *pAC; -struct SK_NET_DEVICE *next; -unsigned long Flags; -SK_EVPARA EvPara; - - while (SkGeRootDev) { - pNet = (DEV_NET*) SkGeRootDev->priv; - pAC = pNet->pAC; - next = pAC->Next; - - netif_stop_queue(SkGeRootDev); - SkGeYellowLED(pAC, pAC->IoBase, 0); - - if(pAC->BoardLevel == 2) { - /* board is still alive */ - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - EvPara.Para32[0] = 0; - EvPara.Para32[1] = -1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); - EvPara.Para32[0] = 1; - EvPara.Para32[1] = -1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); - SkEventDispatcher(pAC, pAC->IoBase); - /* disable interrupts */ - SK_OUT32(pAC->IoBase, B0_IMSK, 0); - SkGeDeInit(pAC, pAC->IoBase); - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - pAC->BoardLevel = 0; - /* We do NOT check here, if IRQ was pending, of course*/ - } - - if(pAC->BoardLevel == 1) { - /* board is still alive */ - SkGeDeInit(pAC, pAC->IoBase); - pAC->BoardLevel = 0; - } - - if ((pAC->GIni.GIMacsFound == 2) && pAC->RlmtNets == 2){ - unregister_netdev(pAC->dev[1]); - kfree(pAC->dev[1]); - } - - FreeResources(SkGeRootDev); - - SkGeRootDev->get_stats = NULL; - /* - * otherwise unregister_netdev calls get_stats with - * invalid IO ... :-( - */ - unregister_netdev(SkGeRootDev); - kfree(SkGeRootDev); - kfree(pAC); - SkGeRootDev = next; - } - - /* clear proc-dir */ - remove_proc_entry(pSkRootDir->name, proc_net); - -} /* skge_cleanup_module */ - -module_init(skge_init_module); -module_exit(skge_cleanup_module); -#endif - - -/***************************************************************************** - * - * SkGeBoardInit - do level 0 and 1 initialization - * - * Description: - * This function prepares the board hardware for running. The desriptor - * ring is set up, the IRQ is allocated and the configuration settings - * are examined. - * - * Returns: - * 0, if everything is ok - * !=0, on error - */ -static int __init SkGeBoardInit(struct SK_NET_DEVICE *dev, SK_AC *pAC) -{ -short i; -unsigned long Flags; -char *DescrString = "sk98lin: Driver for Linux"; /* this is given to PNMI */ -char *VerStr = VER_STRING; -#if 0 -int Ret; /* return code of request_irq */ -#endif -SK_BOOL DualNet; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("IoBase: %08lX\n", (unsigned long)pAC->IoBase)); - for (i=0; i<SK_MAX_MACS; i++) { - pAC->TxPort[i][0].HwAddr = pAC->IoBase + TxQueueAddr[i][0]; - pAC->TxPort[i][0].PortIndex = i; - pAC->RxPort[i].HwAddr = pAC->IoBase + RxQueueAddr[i]; - pAC->RxPort[i].PortIndex = i; - } - - /* Initialize the mutexes */ - for (i=0; i<SK_MAX_MACS; i++) { - spin_lock_init(&pAC->TxPort[i][0].TxDesRingLock); - spin_lock_init(&pAC->RxPort[i].RxDesRingLock); - } - spin_lock_init(&pAC->SlowPathLock); - - /* level 0 init common modules here */ - - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - /* Does a RESET on board ...*/ - if (SkGeInit(pAC, pAC->IoBase, 0) != 0) { - printk("HWInit (0) failed.\n"); - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - return(-EAGAIN); - } - SkI2cInit( pAC, pAC->IoBase, 0); - SkEventInit(pAC, pAC->IoBase, 0); - SkPnmiInit( pAC, pAC->IoBase, 0); - SkAddrInit( pAC, pAC->IoBase, 0); - SkRlmtInit( pAC, pAC->IoBase, 0); - SkTimerInit(pAC, pAC->IoBase, 0); - - pAC->BoardLevel = 0; - pAC->RxBufSize = ETH_BUF_SIZE; - - SK_PNMI_SET_DRIVER_DESCR(pAC, DescrString); - SK_PNMI_SET_DRIVER_VER(pAC, VerStr); - - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - - /* level 1 init common modules here (HW init) */ - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - if (SkGeInit(pAC, pAC->IoBase, 1) != 0) { - printk("HWInit (1) failed.\n"); - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - return(-EAGAIN); - } - SkI2cInit( pAC, pAC->IoBase, 1); - SkEventInit(pAC, pAC->IoBase, 1); - SkPnmiInit( pAC, pAC->IoBase, 1); - SkAddrInit( pAC, pAC->IoBase, 1); - SkRlmtInit( pAC, pAC->IoBase, 1); - SkTimerInit(pAC, pAC->IoBase, 1); - - GetConfiguration(pAC); - if (pAC->RlmtNets == 2) { - pAC->GIni.GIPortUsage = SK_MUL_LINK; - } - - pAC->BoardLevel = 1; - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - -#if 0 - if (pAC->GIni.GIMacsFound == 2) { - Ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, pAC->Name, dev); - } else if (pAC->GIni.GIMacsFound == 1) { - Ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, - pAC->Name, dev); - } else { - printk(KERN_WARNING "%s: Illegal number of ports: %d\n", - dev->name, pAC->GIni.GIMacsFound); - return -EAGAIN; - } - - if (Ret) { - printk(KERN_WARNING "%s: Requested IRQ %d is busy.\n", - dev->name, dev->irq); - return -EAGAIN; - } -#endif - pAC->AllocFlag |= SK_ALLOC_IRQ; - - /* Alloc memory for this board (Mem for RxD/TxD) : */ - if(!BoardAllocMem(pAC)) { - printk("No memory for descriptor rings.\n"); - return(-EAGAIN); - } - - SkCsSetReceiveFlags(pAC, - SKCS_PROTO_IP | SKCS_PROTO_TCP | SKCS_PROTO_UDP, - &pAC->CsOfs1, &pAC->CsOfs2, 0); - pAC->CsOfs = (pAC->CsOfs2 << 16) | pAC->CsOfs1; - - BoardInitMem(pAC); -#if 0 - SetQueueSizes(pAC); -#else - /* tschilling: New common function with minimum size check. */ - DualNet = SK_FALSE; - if (pAC->RlmtNets == 2) { - DualNet = SK_TRUE; - } - - if (SkGeInitAssignRamToQueues( - pAC, - pAC->ActivePort, - DualNet)) { - BoardFreeMem(pAC); - printk("SkGeInitAssignRamToQueues failed.\n"); - return(-EAGAIN); - } -#endif - - /* Print adapter specific string from vpd */ - ProductStr(pAC); -#ifdef SK98_INFO - printk("%s: %s\n", dev->name, pAC->DeviceStr); - - /* Print configuration settings */ - printk(" PrefPort:%c RlmtMode:%s\n", - 'A' + pAC->Rlmt.Net[0].Port[pAC->Rlmt.Net[0].PrefPort]->PortNumber, - (pAC->RlmtMode==0) ? "Check Link State" : - ((pAC->RlmtMode==1) ? "Check Link State" : - ((pAC->RlmtMode==3) ? "Check Local Port" : - ((pAC->RlmtMode==7) ? "Check Segmentation" : - ((pAC->RlmtMode==17) ? "Dual Check Link State" :"Error"))))); -#endif - - SkGeYellowLED(pAC, pAC->IoBase, 1); - - /* - * Register the device here - */ - pAC->Next = SkGeRootDev; - SkGeRootDev = dev; - - return (0); -} /* SkGeBoardInit */ - - -/***************************************************************************** - * - * BoardAllocMem - allocate the memory for the descriptor rings - * - * Description: - * This function allocates the memory for all descriptor rings. - * Each ring is aligned for the desriptor alignment and no ring - * has a 4 GByte boundary in it (because the upper 32 bit must - * be constant for all descriptiors in one rings). - * - * Returns: - * SK_TRUE, if all memory could be allocated - * SK_FALSE, if not - */ -static SK_BOOL BoardAllocMem( -SK_AC *pAC) -{ -caddr_t pDescrMem; /* pointer to descriptor memory area */ -size_t AllocLength; /* length of complete descriptor area */ -int i; /* loop counter */ -unsigned long BusAddr; - - - /* rings plus one for alignment (do not cross 4 GB boundary) */ - /* RX_RING_SIZE is assumed bigger than TX_RING_SIZE */ -#if (BITS_PER_LONG == 32) - AllocLength = (RX_RING_SIZE + TX_RING_SIZE) * pAC->GIni.GIMacsFound + 8; -#else - AllocLength = (RX_RING_SIZE + TX_RING_SIZE) * pAC->GIni.GIMacsFound - + RX_RING_SIZE + 8; -#endif - - pDescrMem = pci_alloc_consistent(pAC->PciDev, AllocLength, - &pAC->pDescrMemDMA); - - if (pDescrMem == NULL) { - return (SK_FALSE); - } - pAC->pDescrMem = pDescrMem; - BusAddr = (unsigned long) pAC->pDescrMemDMA; - - /* Descriptors need 8 byte alignment, and this is ensured - * by pci_alloc_consistent. - */ - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, - ("TX%d/A: pDescrMem: %lX, PhysDescrMem: %lX\n", - i, (unsigned long) pDescrMem, - BusAddr)); - pAC->TxPort[i][0].pTxDescrRing = pDescrMem; - pAC->TxPort[i][0].VTxDescrRing = BusAddr; - pDescrMem += TX_RING_SIZE; - BusAddr += TX_RING_SIZE; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, - ("RX%d: pDescrMem: %lX, PhysDescrMem: %lX\n", - i, (unsigned long) pDescrMem, - (unsigned long)BusAddr)); - pAC->RxPort[i].pRxDescrRing = pDescrMem; - pAC->RxPort[i].VRxDescrRing = BusAddr; - pDescrMem += RX_RING_SIZE; - BusAddr += RX_RING_SIZE; - } /* for */ - - return (SK_TRUE); -} /* BoardAllocMem */ - - -/**************************************************************************** - * - * BoardFreeMem - reverse of BoardAllocMem - * - * Description: - * Free all memory allocated in BoardAllocMem: adapter context, - * descriptor rings, locks. - * - * Returns: N/A - */ -static void BoardFreeMem( -SK_AC *pAC) -{ -size_t AllocLength; /* length of complete descriptor area */ - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("BoardFreeMem\n")); -#if (BITS_PER_LONG == 32) - AllocLength = (RX_RING_SIZE + TX_RING_SIZE) * pAC->GIni.GIMacsFound + 8; -#else - AllocLength = (RX_RING_SIZE + TX_RING_SIZE) * pAC->GIni.GIMacsFound - + RX_RING_SIZE + 8; -#endif - - pci_free_consistent(pAC->PciDev, AllocLength, - pAC->pDescrMem, pAC->pDescrMemDMA); - pAC->pDescrMem = NULL; -} /* BoardFreeMem */ - - -/***************************************************************************** - * - * BoardInitMem - initiate the descriptor rings - * - * Description: - * This function sets the descriptor rings up in memory. - * The adapter is initialized with the descriptor start addresses. - * - * Returns: N/A - */ -static void BoardInitMem( -SK_AC *pAC) /* pointer to adapter context */ -{ -int i; /* loop counter */ -int RxDescrSize; /* the size of a rx descriptor rounded up to alignment*/ -int TxDescrSize; /* the size of a tx descriptor rounded up to alignment*/ - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("BoardInitMem\n")); - - RxDescrSize = (((sizeof(RXD) - 1) / DESCR_ALIGN) + 1) * DESCR_ALIGN; - pAC->RxDescrPerRing = RX_RING_SIZE / RxDescrSize; - TxDescrSize = (((sizeof(TXD) - 1) / DESCR_ALIGN) + 1) * DESCR_ALIGN; - pAC->TxDescrPerRing = TX_RING_SIZE / RxDescrSize; - - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - TXD **txd_head, **txd_tail, **txd_prev; - - txd_head = &pAC->TxPort[i][0].pTxdRingHead; - txd_tail = &pAC->TxPort[i][0].pTxdRingTail; - txd_prev = &pAC->TxPort[i][0].pTxdRingPrev; - - SetupRing( - pAC, - pAC->TxPort[i][0].pTxDescrRing, - pAC->TxPort[i][0].VTxDescrRing, - (RXD**)txd_head, - (RXD**)txd_tail, - (RXD**)txd_prev, - &pAC->TxPort[i][0].TxdRingFree, - SK_TRUE); - SetupRing( - pAC, - pAC->RxPort[i].pRxDescrRing, - pAC->RxPort[i].VRxDescrRing, - &pAC->RxPort[i].pRxdRingHead, - &pAC->RxPort[i].pRxdRingTail, - &pAC->RxPort[i].pRxdRingPrev, - &pAC->RxPort[i].RxdRingFree, - SK_FALSE); - } -} /* BoardInitMem */ - - -/***************************************************************************** - * - * SetupRing - create one descriptor ring - * - * Description: - * This function creates one descriptor ring in the given memory area. - * The head, tail and number of free descriptors in the ring are set. - * - * Returns: - * none - */ -static void SetupRing( -SK_AC *pAC, -void *pMemArea, /* a pointer to the memory area for the ring */ -uintptr_t VMemArea, /* the virtual bus address of the memory area */ -RXD **ppRingHead, /* address where the head should be written */ -RXD **ppRingTail, /* address where the tail should be written */ -RXD **ppRingPrev, /* address where the tail should be written */ -int *pRingFree, /* address where the # of free descr. goes */ -SK_BOOL IsTx) /* flag: is this a tx ring */ -{ -int i; /* loop counter */ -int DescrSize; /* the size of a descriptor rounded up to alignment*/ -int DescrNum; /* number of descriptors per ring */ -RXD *pDescr; /* pointer to a descriptor (receive or transmit) */ -RXD *pNextDescr; /* pointer to the next descriptor */ -RXD *pPrevDescr; /* pointer to the previous descriptor */ -uintptr_t VNextDescr; /* the virtual bus address of the next descriptor */ - - if (IsTx == SK_TRUE) { - DescrSize = (((sizeof(TXD) - 1) / DESCR_ALIGN) + 1) * - DESCR_ALIGN; - DescrNum = TX_RING_SIZE / DescrSize; - } else { - DescrSize = (((sizeof(RXD) - 1) / DESCR_ALIGN) + 1) * - DESCR_ALIGN; - DescrNum = RX_RING_SIZE / DescrSize; - } - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, - ("Descriptor size: %d Descriptor Number: %d\n", - DescrSize,DescrNum)); - - pDescr = (RXD*) pMemArea; - pPrevDescr = NULL; - pNextDescr = (RXD*) (((char*)pDescr) + DescrSize); - VNextDescr = VMemArea + DescrSize; - for(i=0; i<DescrNum; i++) { - /* set the pointers right */ - pDescr->VNextRxd = VNextDescr & 0xffffffffULL; - pDescr->pNextRxd = pNextDescr; - pDescr->TcpSumStarts = pAC->CsOfs; - - /* advance one step */ - pPrevDescr = pDescr; - pDescr = pNextDescr; - pNextDescr = (RXD*) (((char*)pDescr) + DescrSize); - VNextDescr += DescrSize; - } - pPrevDescr->pNextRxd = (RXD*) pMemArea; - pPrevDescr->VNextRxd = VMemArea; - pDescr = (RXD*) pMemArea; - *ppRingHead = (RXD*) pMemArea; - *ppRingTail = *ppRingHead; - *ppRingPrev = pPrevDescr; - *pRingFree = DescrNum; -} /* SetupRing */ - - -/***************************************************************************** - * - * PortReInitBmu - re-initiate the descriptor rings for one port - * - * Description: - * This function reinitializes the descriptor rings of one port - * in memory. The port must be stopped before. - * The HW is initialized with the descriptor start addresses. - * - * Returns: - * none - */ -static void PortReInitBmu( -SK_AC *pAC, /* pointer to adapter context */ -int PortIndex) /* index of the port for which to re-init */ -{ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("PortReInitBmu ")); - - /* set address of first descriptor of ring in BMU */ - SK_OUT32(pAC->IoBase, TxQueueAddr[PortIndex][TX_PRIO_LOW]+ - TX_Q_CUR_DESCR_LOW, - (uint32_t)(((caddr_t) - (pAC->TxPort[PortIndex][TX_PRIO_LOW].pTxdRingHead) - - pAC->TxPort[PortIndex][TX_PRIO_LOW].pTxDescrRing + - pAC->TxPort[PortIndex][TX_PRIO_LOW].VTxDescrRing) & - 0xFFFFFFFF)); - SK_OUT32(pAC->IoBase, TxQueueAddr[PortIndex][TX_PRIO_LOW]+ - TX_Q_DESCR_HIGH, - (uint32_t)(((caddr_t) - (pAC->TxPort[PortIndex][TX_PRIO_LOW].pTxdRingHead) - - pAC->TxPort[PortIndex][TX_PRIO_LOW].pTxDescrRing + - pAC->TxPort[PortIndex][TX_PRIO_LOW].VTxDescrRing) >> 32)); - SK_OUT32(pAC->IoBase, RxQueueAddr[PortIndex]+RX_Q_CUR_DESCR_LOW, - (uint32_t)(((caddr_t)(pAC->RxPort[PortIndex].pRxdRingHead) - - pAC->RxPort[PortIndex].pRxDescrRing + - pAC->RxPort[PortIndex].VRxDescrRing) & 0xFFFFFFFF)); - SK_OUT32(pAC->IoBase, RxQueueAddr[PortIndex]+RX_Q_DESCR_HIGH, - (uint32_t)(((caddr_t)(pAC->RxPort[PortIndex].pRxdRingHead) - - pAC->RxPort[PortIndex].pRxDescrRing + - pAC->RxPort[PortIndex].VRxDescrRing) >> 32)); -} /* PortReInitBmu */ - - -/**************************************************************************** - * - * SkGeIsr - handle adapter interrupts - * - * Description: - * The interrupt routine is called when the network adapter - * generates an interrupt. It may also be called if another device - * shares this interrupt vector with the driver. - * - * Returns: N/A - * - */ -#if 0 -static void SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs) -#else -void SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs) -#endif -{ -struct SK_NET_DEVICE *dev = (struct SK_NET_DEVICE *)dev_id; -DEV_NET *pNet; -SK_AC *pAC; -SK_U32 IntSrc; /* interrupts source register contents */ - - pNet = (DEV_NET*) dev->priv; - pAC = pNet->pAC; - - /* - * Check and process if its our interrupt - */ - SK_IN32(pAC->IoBase, B0_SP_ISRC, &IntSrc); - if (IntSrc == 0) { - return; - } - - while (((IntSrc & IRQ_MASK) & ~SPECIAL_IRQS) != 0) { -#if 0 /* software irq currently not used */ - if (IntSrc & IRQ_SW) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("Software IRQ\n")); - } -#endif - if (IntSrc & IRQ_EOF_RX1) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("EOF RX1 IRQ\n")); - ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE); - SK_PNMI_CNT_RX_INTR(pAC, 0); - } - if (IntSrc & IRQ_EOF_RX2) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("EOF RX2 IRQ\n")); - ReceiveIrq(pAC, &pAC->RxPort[1], SK_TRUE); - SK_PNMI_CNT_RX_INTR(pAC, 1); - } -#ifdef USE_TX_COMPLETE /* only if tx complete interrupt used */ - if (IntSrc & IRQ_EOF_AS_TX1) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("EOF AS TX1 IRQ\n")); - SK_PNMI_CNT_TX_INTR(pAC, 0); - spin_lock(&pAC->TxPort[0][TX_PRIO_LOW].TxDesRingLock); - FreeTxDescriptors(pAC, &pAC->TxPort[0][TX_PRIO_LOW]); - spin_unlock(&pAC->TxPort[0][TX_PRIO_LOW].TxDesRingLock); - } - if (IntSrc & IRQ_EOF_AS_TX2) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("EOF AS TX2 IRQ\n")); - SK_PNMI_CNT_TX_INTR(pAC, 1); - spin_lock(&pAC->TxPort[1][TX_PRIO_LOW].TxDesRingLock); - FreeTxDescriptors(pAC, &pAC->TxPort[1][TX_PRIO_LOW]); - spin_unlock(&pAC->TxPort[1][TX_PRIO_LOW].TxDesRingLock); - } -#if 0 /* only if sync. queues used */ - if (IntSrc & IRQ_EOF_SY_TX1) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("EOF SY TX1 IRQ\n")); - SK_PNMI_CNT_TX_INTR(pAC, 1); - spin_lock(&pAC->TxPort[0][TX_PRIO_HIGH].TxDesRingLock); - FreeTxDescriptors(pAC, 0, TX_PRIO_HIGH); - spin_unlock(&pAC->TxPort[0][TX_PRIO_HIGH].TxDesRingLock); - ClearTxIrq(pAC, 0, TX_PRIO_HIGH); - } - if (IntSrc & IRQ_EOF_SY_TX2) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("EOF SY TX2 IRQ\n")); - SK_PNMI_CNT_TX_INTR(pAC, 1); - spin_lock(&pAC->TxPort[1][TX_PRIO_HIGH].TxDesRingLock); - FreeTxDescriptors(pAC, 1, TX_PRIO_HIGH); - spin_unlock(&pAC->TxPort[1][TX_PRIO_HIGH].TxDesRingLock); - ClearTxIrq(pAC, 1, TX_PRIO_HIGH); - } -#endif -#endif - - /* do all IO at once */ - if (IntSrc & IRQ_EOF_RX1) - ClearAndStartRx(pAC, 0); - if (IntSrc & IRQ_EOF_RX2) - ClearAndStartRx(pAC, 1); -#ifdef USE_TX_COMPLETE /* only if tx complete interrupt used */ - if (IntSrc & IRQ_EOF_AS_TX1) - ClearTxIrq(pAC, 0, TX_PRIO_LOW); - if (IntSrc & IRQ_EOF_AS_TX2) - ClearTxIrq(pAC, 1, TX_PRIO_LOW); -#endif - SK_IN32(pAC->IoBase, B0_ISRC, &IntSrc); - } /* while (IntSrc & IRQ_MASK != 0) */ - - if ((IntSrc & SPECIAL_IRQS) || pAC->CheckQueue) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_INT_SRC, - ("SPECIAL IRQ DP-Cards => %x\n", IntSrc)); - pAC->CheckQueue = SK_FALSE; - spin_lock(&pAC->SlowPathLock); - if (IntSrc & SPECIAL_IRQS) - SkGeSirqIsr(pAC, pAC->IoBase, IntSrc); - - SkEventDispatcher(pAC, pAC->IoBase); - spin_unlock(&pAC->SlowPathLock); - } - /* - * do it all again is case we cleared an interrupt that - * came in after handling the ring (OUTs may be delayed - * in hardware buffers, but are through after IN) - */ - - ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE); - ReceiveIrq(pAC, &pAC->RxPort[1], SK_TRUE); - - if (pAC->CheckQueue) { - pAC->CheckQueue = SK_FALSE; - spin_lock(&pAC->SlowPathLock); - SkEventDispatcher(pAC, pAC->IoBase); - spin_unlock(&pAC->SlowPathLock); - } - - - /* IRQ is processed - Enable IRQs again*/ - SK_OUT32(pAC->IoBase, B0_IMSK, IRQ_MASK); - - return; -} /* SkGeIsr */ - - -/**************************************************************************** - * - * SkGeIsrOnePort - handle adapter interrupts for single port adapter - * - * Description: - * The interrupt routine is called when the network adapter - * generates an interrupt. It may also be called if another device - * shares this interrupt vector with the driver. - * This is the same as above, but handles only one port. - * - * Returns: N/A - * - */ -#if 0 -static void SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs) -#else -void SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs) -#endif -{ -struct SK_NET_DEVICE *dev = (struct SK_NET_DEVICE *)dev_id; -DEV_NET *pNet; -SK_AC *pAC; -SK_U32 IntSrc; /* interrupts source register contents */ - - pNet = (DEV_NET*) dev->priv; - pAC = pNet->pAC; - - /* - * Check and process if its our interrupt - */ - SK_IN32(pAC->IoBase, B0_SP_ISRC, &IntSrc); - if (IntSrc == 0) { - return; - } - - while (((IntSrc & IRQ_MASK) & ~SPECIAL_IRQS) != 0) { -#if 0 /* software irq currently not used */ - if (IntSrc & IRQ_SW) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("Software IRQ\n")); - } -#endif - if (IntSrc & IRQ_EOF_RX1) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("EOF RX1 IRQ\n")); - ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE); - SK_PNMI_CNT_RX_INTR(pAC, 0); - } -#ifdef USE_TX_COMPLETE /* only if tx complete interrupt used */ - if (IntSrc & IRQ_EOF_AS_TX1) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("EOF AS TX1 IRQ\n")); - SK_PNMI_CNT_TX_INTR(pAC, 0); - spin_lock(&pAC->TxPort[0][TX_PRIO_LOW].TxDesRingLock); - FreeTxDescriptors(pAC, &pAC->TxPort[0][TX_PRIO_LOW]); - spin_unlock(&pAC->TxPort[0][TX_PRIO_LOW].TxDesRingLock); - } -#if 0 /* only if sync. queues used */ - if (IntSrc & IRQ_EOF_SY_TX1) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_INT_SRC, - ("EOF SY TX1 IRQ\n")); - SK_PNMI_CNT_TX_INTR(pAC, 0); - spin_lock(&pAC->TxPort[0][TX_PRIO_HIGH].TxDesRingLock); - FreeTxDescriptors(pAC, 0, TX_PRIO_HIGH); - spin_unlock(&pAC->TxPort[0][TX_PRIO_HIGH].TxDesRingLock); - ClearTxIrq(pAC, 0, TX_PRIO_HIGH); - } -#endif -#endif - - /* do all IO at once */ - if (IntSrc & IRQ_EOF_RX1) - ClearAndStartRx(pAC, 0); -#ifdef USE_TX_COMPLETE /* only if tx complete interrupt used */ - if (IntSrc & IRQ_EOF_AS_TX1) - ClearTxIrq(pAC, 0, TX_PRIO_LOW); -#endif - SK_IN32(pAC->IoBase, B0_ISRC, &IntSrc); - } /* while (IntSrc & IRQ_MASK != 0) */ - - if ((IntSrc & SPECIAL_IRQS) || pAC->CheckQueue) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_INT_SRC, - ("SPECIAL IRQ SP-Cards => %x\n", IntSrc)); - pAC->CheckQueue = SK_FALSE; - spin_lock(&pAC->SlowPathLock); - if (IntSrc & SPECIAL_IRQS) - SkGeSirqIsr(pAC, pAC->IoBase, IntSrc); - - SkEventDispatcher(pAC, pAC->IoBase); - spin_unlock(&pAC->SlowPathLock); - } - /* - * do it all again is case we cleared an interrupt that - * came in after handling the ring (OUTs may be delayed - * in hardware buffers, but are through after IN) - */ - ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE); - - /* IRQ is processed - Enable IRQs again*/ - SK_OUT32(pAC->IoBase, B0_IMSK, IRQ_MASK); - - return; -} /* SkGeIsrOnePort */ - - -/**************************************************************************** - * - * SkGeOpen - handle start of initialized adapter - * - * Description: - * This function starts the initialized adapter. - * The board level variable is set and the adapter is - * brought to full functionality. - * The device flags are set for operation. - * Do all necessary level 2 initialization, enable interrupts and - * give start command to RLMT. - * - * Returns: - * 0 on success - * != 0 on error - */ -#if 0 -static int SkGeOpen( -#else -int SkGeOpen( -#endif -struct SK_NET_DEVICE *dev) -{ - DEV_NET *pNet; - SK_AC *pAC; - unsigned long Flags; /* for spin lock */ - int i; - SK_EVPARA EvPara; /* an event parameter union */ - - pNet = (DEV_NET*) dev->priv; - pAC = pNet->pAC; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("SkGeOpen: pAC=0x%lX:\n", (unsigned long)pAC)); - - if (pAC->BoardLevel == 0) { - /* level 1 init common modules here */ - if (SkGeInit(pAC, pAC->IoBase, 1) != 0) { - printk("%s: HWInit (1) failed.\n", pAC->dev[pNet->PortNr]->name); - return (-1); - } - SkI2cInit (pAC, pAC->IoBase, 1); - SkEventInit (pAC, pAC->IoBase, 1); - SkPnmiInit (pAC, pAC->IoBase, 1); - SkAddrInit (pAC, pAC->IoBase, 1); - SkRlmtInit (pAC, pAC->IoBase, 1); - SkTimerInit (pAC, pAC->IoBase, 1); - pAC->BoardLevel = 1; - } - - if (pAC->BoardLevel != 2) { - /* tschilling: Level 2 init modules here, check return value. */ - if (SkGeInit(pAC, pAC->IoBase, 2) != 0) { - printk("%s: HWInit (2) failed.\n", pAC->dev[pNet->PortNr]->name); - return (-1); - } - SkI2cInit (pAC, pAC->IoBase, 2); - SkEventInit (pAC, pAC->IoBase, 2); - SkPnmiInit (pAC, pAC->IoBase, 2); - SkAddrInit (pAC, pAC->IoBase, 2); - SkRlmtInit (pAC, pAC->IoBase, 2); - SkTimerInit (pAC, pAC->IoBase, 2); - pAC->BoardLevel = 2; - } - - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - /* Enable transmit descriptor polling. */ - SkGePollTxD(pAC, pAC->IoBase, i, SK_TRUE); - FillRxRing(pAC, &pAC->RxPort[i]); - } - SkGeYellowLED(pAC, pAC->IoBase, 1); - -#ifdef USE_INT_MOD -/* moderate only TX complete interrupts (these are not time critical) */ -#define IRQ_MOD_MASK (IRQ_EOF_AS_TX1 | IRQ_EOF_AS_TX2) - { - unsigned long ModBase; - ModBase = 53125000 / INTS_PER_SEC; - SK_OUT32(pAC->IoBase, B2_IRQM_INI, ModBase); - SK_OUT32(pAC->IoBase, B2_IRQM_MSK, IRQ_MOD_MASK); - SK_OUT32(pAC->IoBase, B2_IRQM_CTRL, TIM_START); - } -#endif - - /* enable Interrupts */ - SK_OUT32(pAC->IoBase, B0_IMSK, IRQ_MASK); - SK_OUT32(pAC->IoBase, B0_HWE_IMSK, IRQ_HWE_MASK); - - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - - if ((pAC->RlmtMode != 0) && (pAC->MaxPorts == 0)) { - EvPara.Para32[0] = pAC->RlmtNets; - EvPara.Para32[1] = -1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_SET_NETS, - EvPara); - EvPara.Para32[0] = pAC->RlmtMode; - EvPara.Para32[1] = 0; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_MODE_CHANGE, - EvPara); - } - - EvPara.Para32[0] = pNet->NetNr; - EvPara.Para32[1] = -1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); - SkEventDispatcher(pAC, pAC->IoBase); - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - - pAC->MaxPorts++; - pNet->Up = 1; - - MOD_INC_USE_COUNT; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("SkGeOpen suceeded\n")); - - return (0); -} /* SkGeOpen */ - - -/**************************************************************************** - * - * SkGeClose - Stop initialized adapter - * - * Description: - * Close initialized adapter. - * - * Returns: - * 0 - on success - * error code - on error - */ -#if 0 -static int SkGeClose( -#else -int SkGeClose( -#endif -struct SK_NET_DEVICE *dev) -{ - DEV_NET *pNet; - SK_AC *pAC; - - unsigned long Flags; /* for spin lock */ - int i; - int PortIdx; - SK_EVPARA EvPara; - - netif_stop_queue(dev); - pNet = (DEV_NET*) dev->priv; - pAC = pNet->pAC; - - if (pAC->RlmtNets == 1) - PortIdx = pAC->ActivePort; - else - PortIdx = pNet->NetNr; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("SkGeClose: pAC=0x%lX ", (unsigned long)pAC)); - - /* - * Clear multicast table, promiscuous mode .... - */ - SkAddrMcClear(pAC, pAC->IoBase, PortIdx, 0); - SkAddrPromiscuousChange(pAC, pAC->IoBase, PortIdx, - SK_PROM_MODE_NONE); - - if (pAC->MaxPorts == 1) { - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - /* disable interrupts */ - SK_OUT32(pAC->IoBase, B0_IMSK, 0); - EvPara.Para32[0] = pNet->NetNr; - EvPara.Para32[1] = -1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); - SkEventDispatcher(pAC, pAC->IoBase); - SK_OUT32(pAC->IoBase, B0_IMSK, 0); - /* stop the hardware */ - SkGeDeInit(pAC, pAC->IoBase); - pAC->BoardLevel = 0; - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - } else { - - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - EvPara.Para32[0] = pNet->NetNr; - EvPara.Para32[1] = -1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); - SkEventDispatcher(pAC, pAC->IoBase); - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - - /* Stop port */ - spin_lock_irqsave(&pAC->TxPort[pNet->PortNr] - [TX_PRIO_LOW].TxDesRingLock, Flags); - SkGeStopPort(pAC, pAC->IoBase, pNet->PortNr, - SK_STOP_ALL, SK_HARD_RST); - spin_unlock_irqrestore(&pAC->TxPort[pNet->PortNr] - [TX_PRIO_LOW].TxDesRingLock, Flags); - } - - if (pAC->RlmtNets == 1) { - /* clear all descriptor rings */ - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - ReceiveIrq(pAC, &pAC->RxPort[i], SK_TRUE); - ClearRxRing(pAC, &pAC->RxPort[i]); - ClearTxRing(pAC, &pAC->TxPort[i][TX_PRIO_LOW]); - } - } else { - /* clear port descriptor rings */ - ReceiveIrq(pAC, &pAC->RxPort[pNet->PortNr], SK_TRUE); - ClearRxRing(pAC, &pAC->RxPort[pNet->PortNr]); - ClearTxRing(pAC, &pAC->TxPort[pNet->PortNr][TX_PRIO_LOW]); - } - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("SkGeClose: done ")); - - pAC->MaxPorts--; - pNet->Up = 0; - MOD_DEC_USE_COUNT; - - return (0); -} /* SkGeClose */ - - -/***************************************************************************** - * - * SkGeXmit - Linux frame transmit function - * - * Description: - * The system calls this function to send frames onto the wire. - * It puts the frame in the tx descriptor ring. If the ring is - * full then, the 'tbusy' flag is set. - * - * Returns: - * 0, if everything is ok - * !=0, on error - * WARNING: returning 1 in 'tbusy' case caused system crashes (double - * allocated skb's) !!! - */ -#if 0 -static int SkGeXmit(struct sk_buff *skb, struct SK_NET_DEVICE *dev) -#else -int SkGeXmit(struct sk_buff *skb, struct SK_NET_DEVICE *dev) -#endif -{ -DEV_NET *pNet; -SK_AC *pAC; -int Rc; /* return code of XmitFrame */ - - pNet = (DEV_NET*) dev->priv; - pAC = pNet->pAC; - -#if 0 - if ((!skb_shinfo(skb)->nr_frags) || -#else - if (1 || -#endif - (pAC->GIni.GIChipId == CHIP_ID_GENESIS)) { - /* Don't activate scatter-gather and hardware checksum */ - - if (pAC->RlmtNets == 2) - Rc = XmitFrame( - pAC, - &pAC->TxPort[pNet->PortNr][TX_PRIO_LOW], - skb); - else - Rc = XmitFrame( - pAC, - &pAC->TxPort[pAC->ActivePort][TX_PRIO_LOW], - skb); - } else { -#if 0 - /* scatter-gather and hardware TCP checksumming anabled*/ - if (pAC->RlmtNets == 2) - Rc = XmitFrameSG( - pAC, - &pAC->TxPort[pNet->PortNr][TX_PRIO_LOW], - skb); - else - Rc = XmitFrameSG( - pAC, - &pAC->TxPort[pAC->ActivePort][TX_PRIO_LOW], - skb); -#endif - } - - /* Transmitter out of resources? */ - if (Rc <= 0) { - netif_stop_queue(dev); - } - - /* If not taken, give buffer ownership back to the - * queueing layer. - */ - if (Rc < 0) - return (1); - -#if 0 - dev->trans_start = jiffies; -#endif - return (0); -} /* SkGeXmit */ - - -/***************************************************************************** - * - * XmitFrame - fill one socket buffer into the transmit ring - * - * Description: - * This function puts a message into the transmit descriptor ring - * if there is a descriptors left. - * Linux skb's consist of only one continuous buffer. - * The first step locks the ring. It is held locked - * all time to avoid problems with SWITCH_../PORT_RESET. - * Then the descriptoris allocated. - * The second part is linking the buffer to the descriptor. - * At the very last, the Control field of the descriptor - * is made valid for the BMU and a start TX command is given - * if necessary. - * - * Returns: - * > 0 - on succes: the number of bytes in the message - * = 0 - on resource shortage: this frame sent or dropped, now - * the ring is full ( -> set tbusy) - * < 0 - on failure: other problems ( -> return failure to upper layers) - */ -static int XmitFrame( -SK_AC *pAC, /* pointer to adapter context */ -TX_PORT *pTxPort, /* pointer to struct of port to send to */ -struct sk_buff *pMessage) /* pointer to send-message */ -{ -TXD *pTxd; /* the rxd to fill */ -unsigned long Flags; -SK_U64 PhysAddr; -int BytesSend; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, - ("X")); - - spin_lock_irqsave(&pTxPort->TxDesRingLock, Flags); -#ifndef USE_TX_COMPLETE - FreeTxDescriptors(pAC, pTxPort); -#endif - if (pTxPort->TxdRingFree == 0) { - /* no enough free descriptors in ring at the moment */ - FreeTxDescriptors(pAC, pTxPort); - if (pTxPort->TxdRingFree == 0) { - spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); - SK_PNMI_CNT_NO_TX_BUF(pAC, pTxPort->PortIndex); - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_TX_PROGRESS, - ("XmitFrame failed\n")); - /* this message can not be sent now */ - /* Because tbusy seems to be set, the message should not be freed here */ - /* It will be used by the scheduler of the ethernet handler */ - return (-1); - } - } - /* advance head counter behind descriptor needed for this frame */ - pTxd = pTxPort->pTxdRingHead; - pTxPort->pTxdRingHead = pTxd->pNextTxd; - pTxPort->TxdRingFree--; - /* the needed descriptor is reserved now */ - - /* - * everything allocated ok, so add buffer to descriptor - */ - -#ifdef SK_DUMP_TX - DumpMsg(pMessage, "XmitFrame"); -#endif - - /* set up descriptor and CONTROL dword */ -#if 0 - PhysAddr = (SK_U64) pci_map_page(pAC->PciDev, - virt_to_page(pMessage->data), - ((unsigned long) pMessage->data & - ~PAGE_MASK), - pMessage->len, - PCI_DMA_TODEVICE); -#else - PhysAddr = (SK_U64) pci_phys_to_mem(pAC->PciDev, (u32) pMessage->data); -#endif - pTxd->VDataLow = (SK_U32) (PhysAddr & 0xffffffff); - pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32); - pTxd->pMBuf = pMessage; - pTxd->TBControl = TX_CTRL_OWN_BMU | TX_CTRL_STF | - TX_CTRL_CHECK_DEFAULT | TX_CTRL_SOFTWARE | -#ifdef USE_TX_COMPLETE - TX_CTRL_EOF | TX_CTRL_EOF_IRQ | pMessage->len; -#else - TX_CTRL_EOF | pMessage->len; -#endif - - if ((pTxPort->pTxdRingPrev->TBControl & TX_CTRL_OWN_BMU) == 0) { - /* previous descriptor already done, so give tx start cmd */ - /* StartTx(pAC, pTxPort->HwAddr); */ - SK_OUT8(pTxPort->HwAddr, TX_Q_CTRL, TX_Q_CTRL_START); - } - pTxPort->pTxdRingPrev = pTxd; - - - BytesSend = pMessage->len; - spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); - /* after releasing the lock, the skb may be immidiately freed */ - if (pTxPort->TxdRingFree != 0) - return (BytesSend); - else - return (0); - -} /* XmitFrame */ - -/***************************************************************************** - * - * XmitFrameSG - fill one socket buffer into the transmit ring - * (use SG and TCP/UDP hardware checksumming) - * - * Description: - * This function puts a message into the transmit descriptor ring - * if there is a descriptors left. - * - * Returns: - * > 0 - on succes: the number of bytes in the message - * = 0 - on resource shortage: this frame sent or dropped, now - * the ring is full ( -> set tbusy) - * < 0 - on failure: other problems ( -> return failure to upper layers) - */ -#if 0 -static int XmitFrameSG( -SK_AC *pAC, /* pointer to adapter context */ -TX_PORT *pTxPort, /* pointer to struct of port to send to */ -struct sk_buff *pMessage) /* pointer to send-message */ -{ - - int i; - int BytesSend; - int hlength; - int protocol; - skb_frag_t *sk_frag; - TXD *pTxd; - TXD *pTxdFst; - TXD *pTxdLst; - SK_U64 PhysAddr; - unsigned long Flags; - - spin_lock_irqsave(&pTxPort->TxDesRingLock, Flags); -#ifndef USE_TX_COMPLETE - FreeTxDescriptors(pAC, pTxPort); -#endif - if ((skb_shinfo(pMessage)->nr_frags +1) > pTxPort->TxdRingFree) { - FreeTxDescriptors(pAC, pTxPort); - if ((skb_shinfo(pMessage)->nr_frags + 1) > pTxPort->TxdRingFree) { - spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); - SK_PNMI_CNT_NO_TX_BUF(pAC, pTxPort->PortIndex); - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_TX_PROGRESS, - ("XmitFrameSG failed - Ring full\n")); - /* this message can not be sent now */ - return(-1); - } - } - - - pTxd = pTxPort->pTxdRingHead; - pTxdFst = pTxd; - pTxdLst = pTxd; - BytesSend = 0; - protocol = 0; - - /* map first fragment (header) */ - PhysAddr = (SK_U64) pci_map_page(pAC->PciDev, - virt_to_page(pMessage->data), - ((unsigned long) pMessage->data & ~PAGE_MASK), - skb_headlen(pMessage), - PCI_DMA_TODEVICE); - - pTxd->VDataLow = (SK_U32) (PhysAddr & 0xffffffff); - pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32); - - /* HW checksum? */ - if (pMessage->ip_summed == CHECKSUM_HW) { - pTxd->TBControl = TX_CTRL_STF | - TX_CTRL_ST_FWD | - skb_headlen(pMessage); - - /* We have to use the opcode for tcp here because the opcode for - udp is not working in the hardware yet (revision 2.0)*/ - protocol = ((SK_U8)pMessage->data[23] & 0xf); - if ((protocol == 17) && (pAC->GIni.GIChipRev != 0)) - pTxd->TBControl |= BMU_UDP_CHECK; - else - pTxd->TBControl |= BMU_TCP_CHECK ; - - hlength = ((SK_U8)pMessage->data[14] & 0xf) * 4; - pTxd->TcpSumOfs = 0; /* PH-Checksum already claculated */ - pTxd->TcpSumSt = 14+hlength+16; - pTxd->TcpSumWr = 14+hlength; - - } else { - pTxd->TBControl = TX_CTRL_CHECK_DEFAULT | - TX_CTRL_SOFTWARE | - TX_CTRL_STF | - skb_headlen(pMessage); - } - - pTxd = pTxd->pNextTxd; - pTxPort->TxdRingFree--; - BytesSend += skb_headlen(pMessage); - - - /* Map SG fragments */ - for (i = 0; i < skb_shinfo(pMessage)->nr_frags; i++) { - sk_frag = &skb_shinfo(pMessage)->frags[i]; - - /* we already have the proper value in entry */ - PhysAddr = (SK_U64) pci_map_page(pAC->PciDev, - sk_frag->page, - sk_frag->page_offset, - sk_frag->size, - PCI_DMA_TODEVICE); - - pTxd->VDataLow = (SK_U32) (PhysAddr & 0xffffffff); - pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32); - pTxd->pMBuf = pMessage; - - /* HW checksum */ - if (pMessage->ip_summed == CHECKSUM_HW) { - pTxd->TBControl = TX_CTRL_OWN_BMU | - TX_CTRL_SOFTWARE | - TX_CTRL_ST_FWD; - - /* We have to use the opcode for tcp here because the opcode for - udp is not working in the hardware yet (revision 2.0)*/ - if ((protocol == 17) && (pAC->GIni.GIChipRev != 0)) - pTxd->TBControl |= BMU_UDP_CHECK ; - else - pTxd->TBControl |= BMU_TCP_CHECK ; - - } else { - pTxd->TBControl = TX_CTRL_CHECK_DEFAULT | - TX_CTRL_SOFTWARE | - TX_CTRL_OWN_BMU; - } - - /* Last fragment */ - if( (i+1) == skb_shinfo(pMessage)->nr_frags ) { -#ifdef USE_TX_COMPLETE - pTxd->TBControl |= TX_CTRL_EOF | - TX_CTRL_EOF_IRQ | - sk_frag->size; -#else - pTxd->TBControl |= TX_CTRL_EOF | - sk_frag->size; -#endif - pTxdFst->TBControl |= TX_CTRL_OWN_BMU | - TX_CTRL_SOFTWARE; - - } else { - pTxd->TBControl |= sk_frag->size; - } - pTxdLst = pTxd; - pTxd = pTxd->pNextTxd; - pTxPort->TxdRingFree--; - BytesSend += sk_frag->size; - } - - if ((pTxPort->pTxdRingPrev->TBControl & TX_CTRL_OWN_BMU) == 0) { - /* previous descriptor already done, so give tx start cmd */ - /* StartTx(pAC, pTxPort->HwAddr); */ - SK_OUT8(pTxPort->HwAddr, TX_Q_CTRL, TX_Q_CTRL_START); - } - - pTxPort->pTxdRingPrev = pTxdLst; - pTxPort->pTxdRingHead = pTxd; - - spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); - - if (pTxPort->TxdRingFree > 0) - return (BytesSend); - else - return (0); -} -#endif - - -void dump_frag( SK_U8 *data, int length) -{ - int i; - - printk("Length: %d\n", length); - for( i=0; i < length; i++ ) { - printk(" %02x", (SK_U8)*(data + i) ); - if( !((i+1) % 20) ) - printk("\n"); - } - printk("\n\n"); - -} - - -/***************************************************************************** - * - * FreeTxDescriptors - release descriptors from the descriptor ring - * - * Description: - * This function releases descriptors from a transmit ring if they - * have been sent by the BMU. - * If a descriptors is sent, it can be freed and the message can - * be freed, too. - * The SOFTWARE controllable bit is used to prevent running around a - * completely free ring for ever. If this bit is no set in the - * frame (by XmitFrame), this frame has never been sent or is - * already freed. - * The Tx descriptor ring lock must be held while calling this function !!! - * - * Returns: - * none - */ -static void FreeTxDescriptors( -SK_AC *pAC, /* pointer to the adapter context */ -TX_PORT *pTxPort) /* pointer to destination port structure */ -{ -TXD *pTxd; /* pointer to the checked descriptor */ -TXD *pNewTail; /* pointer to 'end' of the ring */ -SK_U32 Control; /* TBControl field of descriptor */ -SK_U64 PhysAddr; /* address of DMA mapping */ - - pNewTail = pTxPort->pTxdRingTail; - pTxd = pNewTail; - /* - * loop forever; exits if TX_CTRL_SOFTWARE bit not set in start frame - * or TX_CTRL_OWN_BMU bit set in any frame - */ - while (1) { - Control = pTxd->TBControl; - if ((Control & TX_CTRL_SOFTWARE) == 0) { - /* - * software controllable bit is set in first - * fragment when given to BMU. Not set means that - * this fragment was never sent or is already - * freed ( -> ring completely free now). - */ - pTxPort->pTxdRingTail = pTxd; - netif_wake_queue(pAC->dev[pTxPort->PortIndex]); - return; - } - if (Control & TX_CTRL_OWN_BMU) { - pTxPort->pTxdRingTail = pTxd; - if (pTxPort->TxdRingFree > 0) { - netif_wake_queue(pAC->dev[pTxPort->PortIndex]); - } - return; - } - - /* release the DMA mapping */ - PhysAddr = ((SK_U64) pTxd->VDataHigh) << (SK_U64) 32; - PhysAddr |= (SK_U64) pTxd->VDataLow; - pci_unmap_page(pAC->PciDev, PhysAddr, - pTxd->pMBuf->len, - PCI_DMA_TODEVICE); - - if (Control & TX_CTRL_EOF) - DEV_KFREE_SKB_ANY(pTxd->pMBuf); /* free message */ - - pTxPort->TxdRingFree++; - pTxd->TBControl &= ~TX_CTRL_SOFTWARE; - pTxd = pTxd->pNextTxd; /* point behind fragment with EOF */ - } /* while(forever) */ -} /* FreeTxDescriptors */ - -/***************************************************************************** - * - * FillRxRing - fill the receive ring with valid descriptors - * - * Description: - * This function fills the receive ring descriptors with data - * segments and makes them valid for the BMU. - * The active ring is filled completely, if possible. - * The non-active ring is filled only partial to save memory. - * - * Description of rx ring structure: - * head - points to the descriptor which will be used next by the BMU - * tail - points to the next descriptor to give to the BMU - * - * Returns: N/A - */ -static void FillRxRing( -SK_AC *pAC, /* pointer to the adapter context */ -RX_PORT *pRxPort) /* ptr to port struct for which the ring - should be filled */ -{ -unsigned long Flags; - - spin_lock_irqsave(&pRxPort->RxDesRingLock, Flags); - while (pRxPort->RxdRingFree > pRxPort->RxFillLimit) { - if(!FillRxDescriptor(pAC, pRxPort)) - break; - } - spin_unlock_irqrestore(&pRxPort->RxDesRingLock, Flags); -} /* FillRxRing */ - - -/***************************************************************************** - * - * FillRxDescriptor - fill one buffer into the receive ring - * - * Description: - * The function allocates a new receive buffer and - * puts it into the next descriptor. - * - * Returns: - * SK_TRUE - a buffer was added to the ring - * SK_FALSE - a buffer could not be added - */ -static SK_BOOL FillRxDescriptor( -SK_AC *pAC, /* pointer to the adapter context struct */ -RX_PORT *pRxPort) /* ptr to port struct of ring to fill */ -{ -struct sk_buff *pMsgBlock; /* pointer to a new message block */ -RXD *pRxd; /* the rxd to fill */ -SK_U16 Length; /* data fragment length */ -SK_U64 PhysAddr; /* physical address of a rx buffer */ - - pMsgBlock = alloc_skb(pAC->RxBufSize, GFP_ATOMIC); - if (pMsgBlock == NULL) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_ENTRY, - ("%s: Allocation of rx buffer failed !\n", - pAC->dev[pRxPort->PortIndex]->name)); - SK_PNMI_CNT_NO_RX_BUF(pAC, pRxPort->PortIndex); - return(SK_FALSE); - } - skb_reserve(pMsgBlock, 2); /* to align IP frames */ - /* skb allocated ok, so add buffer */ - pRxd = pRxPort->pRxdRingTail; - pRxPort->pRxdRingTail = pRxd->pNextRxd; - pRxPort->RxdRingFree--; - Length = pAC->RxBufSize; -#if 0 - PhysAddr = (SK_U64) pci_map_page(pAC->PciDev, - virt_to_page(pMsgBlock->data), - ((unsigned long) pMsgBlock->data & - ~PAGE_MASK), - pAC->RxBufSize - 2, - PCI_DMA_FROMDEVICE); -#else - PhysAddr = (SK_U64) pci_phys_to_mem(pAC->PciDev, (u32)pMsgBlock->data); -#endif - pRxd->VDataLow = (SK_U32) (PhysAddr & 0xffffffff); - pRxd->VDataHigh = (SK_U32) (PhysAddr >> 32); - pRxd->pMBuf = pMsgBlock; - pRxd->RBControl = RX_CTRL_OWN_BMU | RX_CTRL_STF | - RX_CTRL_EOF_IRQ | RX_CTRL_CHECK_CSUM | Length; - return (SK_TRUE); - -} /* FillRxDescriptor */ - - -/***************************************************************************** - * - * ReQueueRxBuffer - fill one buffer back into the receive ring - * - * Description: - * Fill a given buffer back into the rx ring. The buffer - * has been previously allocated and aligned, and its phys. - * address calculated, so this is no more necessary. - * - * Returns: N/A - */ -static void ReQueueRxBuffer( -SK_AC *pAC, /* pointer to the adapter context struct */ -RX_PORT *pRxPort, /* ptr to port struct of ring to fill */ -struct sk_buff *pMsg, /* pointer to the buffer */ -SK_U32 PhysHigh, /* phys address high dword */ -SK_U32 PhysLow) /* phys address low dword */ -{ -RXD *pRxd; /* the rxd to fill */ -SK_U16 Length; /* data fragment length */ - - pRxd = pRxPort->pRxdRingTail; - pRxPort->pRxdRingTail = pRxd->pNextRxd; - pRxPort->RxdRingFree--; - Length = pAC->RxBufSize; - pRxd->VDataLow = PhysLow; - pRxd->VDataHigh = PhysHigh; - pRxd->pMBuf = pMsg; - pRxd->RBControl = RX_CTRL_OWN_BMU | RX_CTRL_STF | - RX_CTRL_EOF_IRQ | RX_CTRL_CHECK_CSUM | Length; - return; -} /* ReQueueRxBuffer */ - - -/***************************************************************************** - * - * ReceiveIrq - handle a receive IRQ - * - * Description: - * This function is called when a receive IRQ is set. - * It walks the receive descriptor ring and sends up all - * frames that are complete. - * - * Returns: N/A - */ -#if 0 -static void ReceiveIrq( -#else -void ReceiveIrq( -#endif - SK_AC *pAC, /* pointer to adapter context */ - RX_PORT *pRxPort, /* pointer to receive port struct */ - SK_BOOL SlowPathLock) /* indicates if SlowPathLock is needed */ -{ -RXD *pRxd; /* pointer to receive descriptors */ -SK_U32 Control; /* control field of descriptor */ -struct sk_buff *pMsg; /* pointer to message holding frame */ -struct sk_buff *pNewMsg; /* pointer to a new message for copying frame */ -int FrameLength; /* total length of received frame */ -SK_MBUF *pRlmtMbuf; /* ptr to a buffer for giving a frame to rlmt */ -SK_EVPARA EvPara; /* an event parameter union */ -unsigned long Flags; /* for spin lock */ -int PortIndex = pRxPort->PortIndex; -unsigned int Offset; -unsigned int NumBytes; -unsigned int ForRlmt; -SK_BOOL IsBc; -SK_BOOL IsMc; -SK_BOOL IsBadFrame; /* Bad frame */ - -SK_U32 FrameStat; -unsigned short Csum1; -unsigned short Csum2; -unsigned short Type; -#if 0 -int Result; -#endif -SK_U64 PhysAddr; - -rx_start: - /* do forever; exit if RX_CTRL_OWN_BMU found */ - for ( pRxd = pRxPort->pRxdRingHead ; - pRxPort->RxdRingFree < pAC->RxDescrPerRing ; - pRxd = pRxd->pNextRxd, - pRxPort->pRxdRingHead = pRxd, - pRxPort->RxdRingFree ++) { - - /* - * For a better understanding of this loop - * Go through every descriptor beginning at the head - * Please note: the ring might be completely received so the OWN bit - * set is not a good crirteria to leave that loop. - * Therefore the RingFree counter is used. - * On entry of this loop pRxd is a pointer to the Rxd that needs - * to be checked next. - */ - - Control = pRxd->RBControl; - - /* check if this descriptor is ready */ - if ((Control & RX_CTRL_OWN_BMU) != 0) { - /* this descriptor is not yet ready */ - /* This is the usual end of the loop */ - /* We don't need to start the ring again */ - FillRxRing(pAC, pRxPort); - return; - } - - /* get length of frame and check it */ - FrameLength = Control & RX_CTRL_LEN_MASK; - if (FrameLength > pAC->RxBufSize) { - goto rx_failed; - } - - /* check for STF and EOF */ - if ((Control & (RX_CTRL_STF | RX_CTRL_EOF)) != - (RX_CTRL_STF | RX_CTRL_EOF)) { - goto rx_failed; - } - - /* here we have a complete frame in the ring */ - pMsg = pRxd->pMBuf; - - FrameStat = pRxd->FrameStat; - - /* check for frame length mismatch */ -#define XMR_FS_LEN_SHIFT 18 -#define GMR_FS_LEN_SHIFT 16 - if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) { - if (FrameLength != (SK_U32) (FrameStat >> XMR_FS_LEN_SHIFT)) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_RX_PROGRESS, - ("skge: Frame length mismatch (%u/%u).\n", - FrameLength, - (SK_U32) (FrameStat >> XMR_FS_LEN_SHIFT))); - goto rx_failed; - } - } - else { - if (FrameLength != (SK_U32) (FrameStat >> GMR_FS_LEN_SHIFT)) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_RX_PROGRESS, - ("skge: Frame length mismatch (%u/%u).\n", - FrameLength, - (SK_U32) (FrameStat >> XMR_FS_LEN_SHIFT))); - goto rx_failed; - } - } - - /* Set Rx Status */ - if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) { - IsBc = (FrameStat & XMR_FS_BC) != 0; - IsMc = (FrameStat & XMR_FS_MC) != 0; - IsBadFrame = (FrameStat & - (XMR_FS_ANY_ERR | XMR_FS_2L_VLAN)) != 0; - } else { - IsBc = (FrameStat & GMR_FS_BC) != 0; - IsMc = (FrameStat & GMR_FS_MC) != 0; - IsBadFrame = (((FrameStat & GMR_FS_ANY_ERR) != 0) || - ((FrameStat & GMR_FS_RX_OK) == 0)); - } - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 0, - ("Received frame of length %d on port %d\n", - FrameLength, PortIndex)); - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 0, - ("Number of free rx descriptors: %d\n", - pRxPort->RxdRingFree)); -/* DumpMsg(pMsg, "Rx"); */ - - if ((Control & RX_CTRL_STAT_VALID) != RX_CTRL_STAT_VALID || - (IsBadFrame)) { -#if 0 - (FrameStat & (XMR_FS_ANY_ERR | XMR_FS_2L_VLAN)) != 0) { -#endif - /* there is a receive error in this frame */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_RX_PROGRESS, - ("skge: Error in received frame, dropped!\n" - "Control: %x\nRxStat: %x\n", - Control, FrameStat)); - - PhysAddr = ((SK_U64) pRxd->VDataHigh) << (SK_U64)32; - PhysAddr |= (SK_U64) pRxd->VDataLow; - pci_dma_sync_single(pAC->PciDev, - (dma_addr_t) PhysAddr, - FrameLength, - PCI_DMA_FROMDEVICE); - ReQueueRxBuffer(pAC, pRxPort, pMsg, - pRxd->VDataHigh, pRxd->VDataLow); - - continue; - } - - /* - * if short frame then copy data to reduce memory waste - */ - if ((FrameLength < SK_COPY_THRESHOLD) && - ((pNewMsg = alloc_skb(FrameLength+2, GFP_ATOMIC)) != NULL)) { - /* - * Short frame detected and allocation successfull - */ - /* use new skb and copy data */ - skb_reserve(pNewMsg, 2); - skb_put(pNewMsg, FrameLength); - PhysAddr = ((SK_U64) pRxd->VDataHigh) << (SK_U64)32; - PhysAddr |= (SK_U64) pRxd->VDataLow; - - pci_dma_sync_single(pAC->PciDev, - (dma_addr_t) PhysAddr, - FrameLength, - PCI_DMA_FROMDEVICE); - eth_copy_and_sum(pNewMsg, pMsg->data, - FrameLength, 0); - ReQueueRxBuffer(pAC, pRxPort, pMsg, - pRxd->VDataHigh, pRxd->VDataLow); - pMsg = pNewMsg; - - } - else { - /* - * if large frame, or SKB allocation failed, pass - * the SKB directly to the networking - */ - - PhysAddr = ((SK_U64) pRxd->VDataHigh) << (SK_U64)32; - PhysAddr |= (SK_U64) pRxd->VDataLow; - - /* release the DMA mapping */ - pci_unmap_single(pAC->PciDev, - PhysAddr, - pAC->RxBufSize - 2, - PCI_DMA_FROMDEVICE); - - /* set length in message */ - skb_put(pMsg, FrameLength); - /* hardware checksum */ - Type = ntohs(*((short*)&pMsg->data[12])); - if (Type == 0x800) { - Csum1=le16_to_cpu(pRxd->TcpSums & 0xffff); - Csum2=le16_to_cpu((pRxd->TcpSums >> 16) & 0xffff); -#if 0 - if ((((Csum1 & 0xfffe) && (Csum2 & 0xfffe)) && - (pAC->GIni.GIChipId == CHIP_ID_GENESIS)) || - (pAC->GIni.GIChipId == CHIP_ID_YUKON)) { - Result = SkCsGetReceiveInfo(pAC, - &pMsg->data[14], - Csum1, Csum2, pRxPort->PortIndex); - if (Result == - SKCS_STATUS_IP_FRAGMENT || - Result == - SKCS_STATUS_IP_CSUM_OK || - Result == - SKCS_STATUS_TCP_CSUM_OK || - Result == - SKCS_STATUS_UDP_CSUM_OK) { - pMsg->ip_summed = - CHECKSUM_UNNECESSARY; - } else { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_RX_PROGRESS, - ("skge: CRC error. Frame dropped!\n")); - goto rx_failed; - } - }/* checksumControl calculation valid */ -#endif - } /* IP frame */ - } /* frame > SK_COPY_TRESHOLD */ - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("V")); - ForRlmt = SK_RLMT_RX_PROTOCOL; -#if 0 - IsBc = (FrameStat & XMR_FS_BC)==XMR_FS_BC; -#endif - SK_RLMT_PRE_LOOKAHEAD(pAC, PortIndex, FrameLength, - IsBc, &Offset, &NumBytes); - if (NumBytes != 0) { -#if 0 - IsMc = (FrameStat & XMR_FS_MC)==XMR_FS_MC; -#endif - SK_RLMT_LOOKAHEAD(pAC, PortIndex, - &pMsg->data[Offset], - IsBc, IsMc, &ForRlmt); - } - if (ForRlmt == SK_RLMT_RX_PROTOCOL) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("W")); - /* send up only frames from active port */ - if ((PortIndex == pAC->ActivePort) || - (pAC->RlmtNets == 2)) { - /* frame for upper layer */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("U")); -#ifdef xDEBUG - DumpMsg(pMsg, "Rx"); -#endif - SK_PNMI_CNT_RX_OCTETS_DELIVERED(pAC, - FrameLength, pRxPort->PortIndex); - -#if 0 - pMsg->dev = pAC->dev[pRxPort->PortIndex]; - pMsg->protocol = eth_type_trans(pMsg, - pAC->dev[pRxPort->PortIndex]); - netif_rx(pMsg); - pAC->dev[pRxPort->PortIndex]->last_rx = jiffies; -#else - NetReceive(pMsg->data, pMsg->len); - dev_kfree_skb_any(pMsg); -#endif - } - else { - /* drop frame */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_RX_PROGRESS, - ("D")); - DEV_KFREE_SKB(pMsg); - } - - } /* if not for rlmt */ - else { - /* packet for rlmt */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_RX_PROGRESS, ("R")); - pRlmtMbuf = SkDrvAllocRlmtMbuf(pAC, - pAC->IoBase, FrameLength); - if (pRlmtMbuf != NULL) { - pRlmtMbuf->pNext = NULL; - pRlmtMbuf->Length = FrameLength; - pRlmtMbuf->PortIdx = PortIndex; - EvPara.pParaPtr = pRlmtMbuf; - memcpy((char*)(pRlmtMbuf->pData), - (char*)(pMsg->data), - FrameLength); - - /* SlowPathLock needed? */ - if (SlowPathLock == SK_TRUE) { - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - SkEventQueue(pAC, SKGE_RLMT, - SK_RLMT_PACKET_RECEIVED, - EvPara); - pAC->CheckQueue = SK_TRUE; - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - } else { - SkEventQueue(pAC, SKGE_RLMT, - SK_RLMT_PACKET_RECEIVED, - EvPara); - pAC->CheckQueue = SK_TRUE; - } - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, - SK_DBGCAT_DRV_RX_PROGRESS, - ("Q")); - } -#if 0 - if ((pAC->dev[pRxPort->PortIndex]->flags & - (IFF_PROMISC | IFF_ALLMULTI)) != 0 || - (ForRlmt & SK_RLMT_RX_PROTOCOL) == - SK_RLMT_RX_PROTOCOL) { - pMsg->dev = pAC->dev[pRxPort->PortIndex]; - pMsg->protocol = eth_type_trans(pMsg, - pAC->dev[pRxPort->PortIndex]); - netif_rx(pMsg); - pAC->dev[pRxPort->PortIndex]->last_rx = jiffies; - } -#else - if (0) { - } -#endif - else { - DEV_KFREE_SKB(pMsg); - } - - } /* if packet for rlmt */ - } /* for ... scanning the RXD ring */ - - /* RXD ring is empty -> fill and restart */ - FillRxRing(pAC, pRxPort); - /* do not start if called from Close */ - if (pAC->BoardLevel > 0) { - ClearAndStartRx(pAC, PortIndex); - } - return; - -rx_failed: - /* remove error frame */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ERROR, - ("Schrottdescriptor, length: 0x%x\n", FrameLength)); - - /* release the DMA mapping */ - - PhysAddr = ((SK_U64) pRxd->VDataHigh) << (SK_U64)32; - PhysAddr |= (SK_U64) pRxd->VDataLow; - pci_unmap_page(pAC->PciDev, - PhysAddr, - pAC->RxBufSize - 2, - PCI_DMA_FROMDEVICE); - DEV_KFREE_SKB_IRQ(pRxd->pMBuf); - pRxd->pMBuf = NULL; - pRxPort->RxdRingFree++; - pRxPort->pRxdRingHead = pRxd->pNextRxd; - goto rx_start; - -} /* ReceiveIrq */ - - -/***************************************************************************** - * - * ClearAndStartRx - give a start receive command to BMU, clear IRQ - * - * Description: - * This function sends a start command and a clear interrupt - * command for one receive queue to the BMU. - * - * Returns: N/A - * none - */ -static void ClearAndStartRx( -SK_AC *pAC, /* pointer to the adapter context */ -int PortIndex) /* index of the receive port (XMAC) */ -{ - SK_OUT8(pAC->IoBase, RxQueueAddr[PortIndex]+RX_Q_CTRL, - RX_Q_CTRL_START | RX_Q_CTRL_CLR_I_EOF); -} /* ClearAndStartRx */ - - -/***************************************************************************** - * - * ClearTxIrq - give a clear transmit IRQ command to BMU - * - * Description: - * This function sends a clear tx IRQ command for one - * transmit queue to the BMU. - * - * Returns: N/A - */ -static void ClearTxIrq( -SK_AC *pAC, /* pointer to the adapter context */ -int PortIndex, /* index of the transmit port (XMAC) */ -int Prio) /* priority or normal queue */ -{ - SK_OUT8(pAC->IoBase, TxQueueAddr[PortIndex][Prio]+TX_Q_CTRL, - TX_Q_CTRL_CLR_I_EOF); -} /* ClearTxIrq */ - - -/***************************************************************************** - * - * ClearRxRing - remove all buffers from the receive ring - * - * Description: - * This function removes all receive buffers from the ring. - * The receive BMU must be stopped before calling this function. - * - * Returns: N/A - */ -static void ClearRxRing( -SK_AC *pAC, /* pointer to adapter context */ -RX_PORT *pRxPort) /* pointer to rx port struct */ -{ -RXD *pRxd; /* pointer to the current descriptor */ -unsigned long Flags; -SK_U64 PhysAddr; - - if (pRxPort->RxdRingFree == pAC->RxDescrPerRing) { - return; - } - spin_lock_irqsave(&pRxPort->RxDesRingLock, Flags); - pRxd = pRxPort->pRxdRingHead; - do { - if (pRxd->pMBuf != NULL) { - - PhysAddr = ((SK_U64) pRxd->VDataHigh) << (SK_U64)32; - PhysAddr |= (SK_U64) pRxd->VDataLow; - pci_unmap_page(pAC->PciDev, - PhysAddr, - pAC->RxBufSize - 2, - PCI_DMA_FROMDEVICE); - DEV_KFREE_SKB(pRxd->pMBuf); - pRxd->pMBuf = NULL; - } - pRxd->RBControl &= RX_CTRL_OWN_BMU; - pRxd = pRxd->pNextRxd; - pRxPort->RxdRingFree++; - } while (pRxd != pRxPort->pRxdRingTail); - pRxPort->pRxdRingTail = pRxPort->pRxdRingHead; - spin_unlock_irqrestore(&pRxPort->RxDesRingLock, Flags); -} /* ClearRxRing */ - - -/***************************************************************************** - * - * ClearTxRing - remove all buffers from the transmit ring - * - * Description: - * This function removes all transmit buffers from the ring. - * The transmit BMU must be stopped before calling this function - * and transmitting at the upper level must be disabled. - * The BMU own bit of all descriptors is cleared, the rest is - * done by calling FreeTxDescriptors. - * - * Returns: N/A - */ -static void ClearTxRing( -SK_AC *pAC, /* pointer to adapter context */ -TX_PORT *pTxPort) /* pointer to tx prt struct */ -{ -TXD *pTxd; /* pointer to the current descriptor */ -int i; -unsigned long Flags; - - spin_lock_irqsave(&pTxPort->TxDesRingLock, Flags); - pTxd = pTxPort->pTxdRingHead; - for (i=0; i<pAC->TxDescrPerRing; i++) { - pTxd->TBControl &= ~TX_CTRL_OWN_BMU; - pTxd = pTxd->pNextTxd; - } - FreeTxDescriptors(pAC, pTxPort); - spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); -} /* ClearTxRing */ - - -#if 0 -/***************************************************************************** - * - * SetQueueSizes - configure the sizes of rx and tx queues - * - * Description: - * This function assigns the sizes for active and passive port - * to the appropriate HWinit structure variables. - * The passive port(s) get standard values, all remaining RAM - * is given to the active port. - * The queue sizes are in kbyte and must be multiple of 8. - * The limits for the number of buffers filled into the rx rings - * is also set in this routine. - * - * Returns: - * none - */ -static void SetQueueSizes( -SK_AC *pAC) /* pointer to the adapter context */ -{ -int StandbyRam; /* adapter RAM used for a standby port */ -int RemainingRam; /* adapter RAM available for the active port */ -int RxRam; /* RAM used for the active port receive queue */ -int i; /* loop counter */ - -if (pAC->RlmtNets == 1) { - StandbyRam = SK_RLMT_STANDBY_QRXSIZE + SK_RLMT_STANDBY_QXASIZE + - SK_RLMT_STANDBY_QXSSIZE; - RemainingRam = pAC->GIni.GIRamSize - - (pAC->GIni.GIMacsFound-1) * StandbyRam; - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - pAC->GIni.GP[i].PRxQSize = SK_RLMT_STANDBY_QRXSIZE; - pAC->GIni.GP[i].PXSQSize = SK_RLMT_STANDBY_QXSSIZE; - pAC->GIni.GP[i].PXAQSize = SK_RLMT_STANDBY_QXASIZE; - } - RxRam = (RemainingRam * 8 / 10) & ~7; - pAC->GIni.GP[pAC->ActivePort].PRxQSize = RxRam; - pAC->GIni.GP[pAC->ActivePort].PXSQSize = 0; - pAC->GIni.GP[pAC->ActivePort].PXAQSize = - (RemainingRam - RxRam) & ~7; - pAC->RxQueueSize = RxRam; - pAC->TxSQueueSize = 0; - pAC->TxAQueueSize = (RemainingRam - RxRam) & ~7; - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("queue sizes settings - rx:%d txA:%d txS:%d\n", - pAC->RxQueueSize,pAC->TxAQueueSize, pAC->TxSQueueSize)); -} else { - RemainingRam = pAC->GIni.GIRamSize/pAC->GIni.GIMacsFound; - RxRam = (RemainingRam * 8 / 10) & ~7; - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - pAC->GIni.GP[i].PRxQSize = RxRam; - pAC->GIni.GP[i].PXSQSize = 0; - pAC->GIni.GP[i].PXAQSize = (RemainingRam - RxRam) & ~7; - } - - pAC->RxQueueSize = RxRam; - pAC->TxSQueueSize = 0; - pAC->TxAQueueSize = (RemainingRam - RxRam) & ~7; -} - for (i=0; i<SK_MAX_MACS; i++) { - pAC->RxPort[i].RxFillLimit = pAC->RxDescrPerRing; - } - - if (pAC->RlmtNets == 2) { - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - pAC->RxPort[i].RxFillLimit = pAC->RxDescrPerRing - 100; - } - } else { - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - pAC->RxPort[i].RxFillLimit = pAC->RxDescrPerRing - 100; - } - /* - * Do not set the Limit to 0, because this could cause - * wrap around with ReQueue'ed buffers (a buffer could - * be requeued in the same position, made accessable to - * the hardware, and the hardware could change its - * contents! - */ - pAC->RxPort[pAC->ActivePort].RxFillLimit = 1; - } - -#ifdef DEBUG - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, - ("i: %d, RxQSize: %d, PXSQsize: %d, PXAQSize: %d\n", - i, - pAC->GIni.GP[i].PRxQSize, - pAC->GIni.GP[i].PXSQSize, - pAC->GIni.GP[i].PXAQSize)); - } -#endif -} /* SetQueueSizes */ - - -/***************************************************************************** - * - * SkGeSetMacAddr - Set the hardware MAC address - * - * Description: - * This function sets the MAC address used by the adapter. - * - * Returns: - * 0, if everything is ok - * !=0, on error - */ -static int SkGeSetMacAddr(struct SK_NET_DEVICE *dev, void *p) -{ - -DEV_NET *pNet = (DEV_NET*) dev->priv; -SK_AC *pAC = pNet->pAC; - -struct sockaddr *addr = p; -unsigned long Flags; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("SkGeSetMacAddr starts now...\n")); - if(netif_running(dev)) - return -EBUSY; - - memcpy(dev->dev_addr, addr->sa_data,dev->addr_len); - - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - - if (pAC->RlmtNets == 2) - SkAddrOverride(pAC, pAC->IoBase, pNet->NetNr, - (SK_MAC_ADDR*)dev->dev_addr, SK_ADDR_VIRTUAL_ADDRESS); - else - SkAddrOverride(pAC, pAC->IoBase, pAC->ActivePort, - (SK_MAC_ADDR*)dev->dev_addr, SK_ADDR_VIRTUAL_ADDRESS); - - - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - return 0; -} /* SkGeSetMacAddr */ -#endif - - -/***************************************************************************** - * - * SkGeSetRxMode - set receive mode - * - * Description: - * This function sets the receive mode of an adapter. The adapter - * supports promiscuous mode, allmulticast mode and a number of - * multicast addresses. If more multicast addresses the available - * are selected, a hash function in the hardware is used. - * - * Returns: - * 0, if everything is ok - * !=0, on error - */ -#if 0 -static void SkGeSetRxMode(struct SK_NET_DEVICE *dev) -{ - -DEV_NET *pNet; -SK_AC *pAC; - -struct dev_mc_list *pMcList; -int i; -int PortIdx; -unsigned long Flags; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("SkGeSetRxMode starts now... ")); - - pNet = (DEV_NET*) dev->priv; - pAC = pNet->pAC; - if (pAC->RlmtNets == 1) - PortIdx = pAC->ActivePort; - else - PortIdx = pNet->NetNr; - - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - if (dev->flags & IFF_PROMISC) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("PROMISCUOUS mode\n")); - SkAddrPromiscuousChange(pAC, pAC->IoBase, PortIdx, - SK_PROM_MODE_LLC); - } else if (dev->flags & IFF_ALLMULTI) { - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("ALLMULTI mode\n")); - SkAddrPromiscuousChange(pAC, pAC->IoBase, PortIdx, - SK_PROM_MODE_ALL_MC); - } else { - SkAddrPromiscuousChange(pAC, pAC->IoBase, PortIdx, - SK_PROM_MODE_NONE); - SkAddrMcClear(pAC, pAC->IoBase, PortIdx, 0); - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("Number of MC entries: %d ", dev->mc_count)); - - pMcList = dev->mc_list; - for (i=0; i<dev->mc_count; i++, pMcList = pMcList->next) { - SkAddrMcAdd(pAC, pAC->IoBase, PortIdx, - (SK_MAC_ADDR*)pMcList->dmi_addr, 0); - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_MCA, - ("%02x:%02x:%02x:%02x:%02x:%02x\n", - pMcList->dmi_addr[0], - pMcList->dmi_addr[1], - pMcList->dmi_addr[2], - pMcList->dmi_addr[3], - pMcList->dmi_addr[4], - pMcList->dmi_addr[5])); - } - SkAddrMcUpdate(pAC, pAC->IoBase, PortIdx); - } - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - - return; -} /* SkGeSetRxMode */ - - -/***************************************************************************** - * - * SkGeChangeMtu - set the MTU to another value - * - * Description: - * This function sets is called whenever the MTU size is changed - * (ifconfig mtu xxx dev ethX). If the MTU is bigger than standard - * ethernet MTU size, long frame support is activated. - * - * Returns: - * 0, if everything is ok - * !=0, on error - */ -static int SkGeChangeMtu(struct SK_NET_DEVICE *dev, int NewMtu) -{ -DEV_NET *pNet; -DEV_NET *pOtherNet; -SK_AC *pAC; -unsigned long Flags; -int i; -SK_EVPARA EvPara; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("SkGeChangeMtu starts now...\n")); - - pNet = (DEV_NET*) dev->priv; - pAC = pNet->pAC; - - if ((NewMtu < 68) || (NewMtu > SK_JUMBO_MTU)) { - return -EINVAL; - } - - if(pAC->BoardLevel != 2) { - return -EINVAL; - } - - pNet->Mtu = NewMtu; - pOtherNet = (DEV_NET*)pAC->dev[1 - pNet->NetNr]->priv; - if ((pOtherNet->Mtu > 1500) && (NewMtu <= 1500) && (pOtherNet->Up==1)) { - return(0); - } - - EvPara.Para32[0] = pNet->NetNr; - EvPara.Para32[1] = -1; - - pAC->RxBufSize = NewMtu + 32; - dev->mtu = NewMtu; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("New MTU: %d\n", NewMtu)); - - /* prevent reconfiguration while changing the MTU */ - - /* disable interrupts */ - SK_OUT32(pAC->IoBase, B0_IMSK, 0); - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - - /* Found more than one port */ - if ((pAC->GIni.GIMacsFound == 2 ) && - (pAC->RlmtNets == 2)) { - /* Stop both ports */ - EvPara.Para32[0] = 0; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); - EvPara.Para32[0] = 1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); - } else { - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); - } - - SkEventDispatcher(pAC, pAC->IoBase); - - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - spin_lock_irqsave( - &pAC->TxPort[i][TX_PRIO_LOW].TxDesRingLock, Flags); - netif_stop_queue(pAC->dev[i]); - - } - - /* - * adjust number of rx buffers allocated - */ - if (NewMtu > 1500) { - /* use less rx buffers */ - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - /* Found more than one port */ - if ((pAC->GIni.GIMacsFound == 2 ) && - (pAC->RlmtNets == 2)) { - pAC->RxPort[i].RxFillLimit = - pAC->RxDescrPerRing - 100; - } else { - if (i == pAC->ActivePort) - pAC->RxPort[i].RxFillLimit = - pAC->RxDescrPerRing - 100; - else - pAC->RxPort[i].RxFillLimit = - pAC->RxDescrPerRing - 10; - } - } - } - else { - /* use normal amount of rx buffers */ - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - /* Found more than one port */ - if ((pAC->GIni.GIMacsFound == 2 ) && - (pAC->RlmtNets == 2)) { - pAC->RxPort[i].RxFillLimit = 1; - } else { - if (i == pAC->ActivePort) - pAC->RxPort[i].RxFillLimit = 1; - else - pAC->RxPort[i].RxFillLimit = - pAC->RxDescrPerRing - 100; - } - } - } - - SkGeDeInit(pAC, pAC->IoBase); - - /* - * enable/disable hardware support for long frames - */ - if (NewMtu > 1500) { -/* pAC->JumboActivated = SK_TRUE; /#* is never set back !!! */ - pAC->GIni.GIPortUsage = SK_JUMBO_LINK; - } - else { - if ((pAC->GIni.GIMacsFound == 2 ) && - (pAC->RlmtNets == 2)) { - pAC->GIni.GIPortUsage = SK_MUL_LINK; - } else { - pAC->GIni.GIPortUsage = SK_RED_LINK; - } - } - - SkGeInit( pAC, pAC->IoBase, 1); - SkI2cInit( pAC, pAC->IoBase, 1); - SkEventInit(pAC, pAC->IoBase, 1); - SkPnmiInit( pAC, pAC->IoBase, 1); - SkAddrInit( pAC, pAC->IoBase, 1); - SkRlmtInit( pAC, pAC->IoBase, 1); - SkTimerInit(pAC, pAC->IoBase, 1); - - /* - * tschilling: - * Speed and others are set back to default in level 1 init! - */ - GetConfiguration(pAC); - - SkGeInit( pAC, pAC->IoBase, 2); - SkI2cInit( pAC, pAC->IoBase, 2); - SkEventInit(pAC, pAC->IoBase, 2); - SkPnmiInit( pAC, pAC->IoBase, 2); - SkAddrInit( pAC, pAC->IoBase, 2); - SkRlmtInit( pAC, pAC->IoBase, 2); - SkTimerInit(pAC, pAC->IoBase, 2); - - /* - * clear and reinit the rx rings here - */ - for (i=0; i<pAC->GIni.GIMacsFound; i++) { - ReceiveIrq(pAC, &pAC->RxPort[i], SK_TRUE); - ClearRxRing(pAC, &pAC->RxPort[i]); - FillRxRing(pAC, &pAC->RxPort[i]); - - /* Enable transmit descriptor polling. */ - SkGePollTxD(pAC, pAC->IoBase, i, SK_TRUE); - FillRxRing(pAC, &pAC->RxPort[i]); - }; - - SkGeYellowLED(pAC, pAC->IoBase, 1); - -#ifdef USE_INT_MOD - { - unsigned long ModBase; - ModBase = 53125000 / INTS_PER_SEC; - SK_OUT32(pAC->IoBase, B2_IRQM_INI, ModBase); - SK_OUT32(pAC->IoBase, B2_IRQM_MSK, IRQ_MOD_MASK); - SK_OUT32(pAC->IoBase, B2_IRQM_CTRL, TIM_START); - } -#endif - - netif_start_queue(pAC->dev[pNet->PortNr]); - for (i=pAC->GIni.GIMacsFound-1; i>=0; i--) { - spin_unlock(&pAC->TxPort[i][TX_PRIO_LOW].TxDesRingLock); - } - - /* enable Interrupts */ - SK_OUT32(pAC->IoBase, B0_IMSK, IRQ_MASK); - SK_OUT32(pAC->IoBase, B0_HWE_IMSK, IRQ_HWE_MASK); - - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); - SkEventDispatcher(pAC, pAC->IoBase); - - /* Found more than one port */ - if ((pAC->GIni.GIMacsFound == 2 ) && - (pAC->RlmtNets == 2)) { - /* Start both ports */ - EvPara.Para32[0] = pAC->RlmtNets; - EvPara.Para32[1] = -1; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_SET_NETS, - EvPara); - - - EvPara.Para32[1] = -1; - EvPara.Para32[0] = pNet->PortNr; - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); - - if (pOtherNet->Up) { - EvPara.Para32[0] = pOtherNet->PortNr; - SkEventQueue(pAC, SKGE_RLMT, - SK_RLMT_START, EvPara); - } - } else { - SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); - } - - SkEventDispatcher(pAC, pAC->IoBase); - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - - return 0; -} /* SkGeChangeMtu */ - - -/***************************************************************************** - * - * SkGeStats - return ethernet device statistics - * - * Description: - * This function return statistic data about the ethernet device - * to the operating system. - * - * Returns: - * pointer to the statistic structure. - */ -static struct net_device_stats *SkGeStats(struct SK_NET_DEVICE *dev) -{ -DEV_NET *pNet = (DEV_NET*) dev->priv; -SK_AC *pAC = pNet->pAC; -SK_PNMI_STRUCT_DATA *pPnmiStruct; /* structure for all Pnmi-Data */ -SK_PNMI_STAT *pPnmiStat; /* pointer to virtual XMAC stat. data */ -SK_PNMI_CONF *pPnmiConf; /* pointer to virtual link config. */ -unsigned int Size; /* size of pnmi struct */ -unsigned long Flags; /* for spin lock */ - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("SkGeStats starts now...\n")); - pPnmiStruct = &pAC->PnmiStruct; - memset(pPnmiStruct, 0, sizeof(SK_PNMI_STRUCT_DATA)); - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - Size = SK_PNMI_STRUCT_SIZE; - SkPnmiGetStruct(pAC, pAC->IoBase, pPnmiStruct, &Size, pNet->NetNr); - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - pPnmiStat = &pPnmiStruct->Stat[0]; - pPnmiConf = &pPnmiStruct->Conf[0]; - - pAC->stats.rx_packets = (SK_U32) pPnmiStruct->RxDeliveredCts & 0xFFFFFFFF; - pAC->stats.tx_packets = (SK_U32) pPnmiStat->StatTxOkCts & 0xFFFFFFFF; - pAC->stats.rx_bytes = (SK_U32) pPnmiStruct->RxOctetsDeliveredCts; - pAC->stats.tx_bytes = (SK_U32) pPnmiStat->StatTxOctetsOkCts; - - if (pNet->Mtu <= 1500) { - pAC->stats.rx_errors = (SK_U32) pPnmiStruct->InErrorsCts & 0xFFFFFFFF; - } else { - pAC->stats.rx_errors = (SK_U32) ((pPnmiStruct->InErrorsCts - - pPnmiStat->StatRxTooLongCts) & 0xFFFFFFFF); - } - - - if (pAC->GIni.GP[0].PhyType == SK_PHY_XMAC && pAC->HWRevision < 12) - pAC->stats.rx_errors = pAC->stats.rx_errors - pPnmiStat->StatRxShortsCts; - - pAC->stats.tx_errors = (SK_U32) pPnmiStat->StatTxSingleCollisionCts & 0xFFFFFFFF; - pAC->stats.rx_dropped = (SK_U32) pPnmiStruct->RxNoBufCts & 0xFFFFFFFF; - pAC->stats.tx_dropped = (SK_U32) pPnmiStruct->TxNoBufCts & 0xFFFFFFFF; - pAC->stats.multicast = (SK_U32) pPnmiStat->StatRxMulticastOkCts & 0xFFFFFFFF; - pAC->stats.collisions = (SK_U32) pPnmiStat->StatTxSingleCollisionCts & 0xFFFFFFFF; - - /* detailed rx_errors: */ - pAC->stats.rx_length_errors = (SK_U32) pPnmiStat->StatRxRuntCts & 0xFFFFFFFF; - pAC->stats.rx_over_errors = (SK_U32) pPnmiStat->StatRxFifoOverflowCts & 0xFFFFFFFF; - pAC->stats.rx_crc_errors = (SK_U32) pPnmiStat->StatRxFcsCts & 0xFFFFFFFF; - pAC->stats.rx_frame_errors = (SK_U32) pPnmiStat->StatRxFramingCts & 0xFFFFFFFF; - pAC->stats.rx_fifo_errors = (SK_U32) pPnmiStat->StatRxFifoOverflowCts & 0xFFFFFFFF; - pAC->stats.rx_missed_errors = (SK_U32) pPnmiStat->StatRxMissedCts & 0xFFFFFFFF; - - /* detailed tx_errors */ - pAC->stats.tx_aborted_errors = (SK_U32) 0; - pAC->stats.tx_carrier_errors = (SK_U32) pPnmiStat->StatTxCarrierCts & 0xFFFFFFFF; - pAC->stats.tx_fifo_errors = (SK_U32) pPnmiStat->StatTxFifoUnderrunCts & 0xFFFFFFFF; - pAC->stats.tx_heartbeat_errors = (SK_U32) pPnmiStat->StatTxCarrierCts & 0xFFFFFFFF; - pAC->stats.tx_window_errors = (SK_U32) 0; - - return(&pAC->stats); -} /* SkGeStats */ - - -/***************************************************************************** - * - * SkGeIoctl - IO-control function - * - * Description: - * This function is called if an ioctl is issued on the device. - * There are three subfunction for reading, writing and test-writing - * the private MIB data structure (usefull for SysKonnect-internal tools). - * - * Returns: - * 0, if everything is ok - * !=0, on error - */ -static int SkGeIoctl(struct SK_NET_DEVICE *dev, struct ifreq *rq, int cmd) -{ -DEV_NET *pNet; -SK_AC *pAC; - -SK_GE_IOCTL Ioctl; -unsigned int Err = 0; -int Size; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("SkGeIoctl starts now...\n")); - - pNet = (DEV_NET*) dev->priv; - pAC = pNet->pAC; - - if(copy_from_user(&Ioctl, rq->ifr_data, sizeof(SK_GE_IOCTL))) { - return -EFAULT; - } - - switch(cmd) { - case SK_IOCTL_SETMIB: - case SK_IOCTL_PRESETMIB: - if (!capable(CAP_NET_ADMIN)) return -EPERM; - case SK_IOCTL_GETMIB: - if(copy_from_user(&pAC->PnmiStruct, Ioctl.pData, - Ioctl.Len<sizeof(pAC->PnmiStruct)? - Ioctl.Len : sizeof(pAC->PnmiStruct))) { - return -EFAULT; - } - Size = SkGeIocMib(pNet, Ioctl.Len, cmd); - if(copy_to_user(Ioctl.pData, &pAC->PnmiStruct, - Ioctl.Len<Size? Ioctl.Len : Size)) { - return -EFAULT; - } - Ioctl.Len = Size; - if(copy_to_user(rq->ifr_data, &Ioctl, sizeof(SK_GE_IOCTL))) { - return -EFAULT; - } - break; - default: - Err = -EOPNOTSUPP; - } - return(Err); -} /* SkGeIoctl */ - - -/***************************************************************************** - * - * SkGeIocMib - handle a GetMib, SetMib- or PresetMib-ioctl message - * - * Description: - * This function reads/writes the MIB data using PNMI (Private Network - * Management Interface). - * The destination for the data must be provided with the - * ioctl call and is given to the driver in the form of - * a user space address. - * Copying from the user-provided data area into kernel messages - * and back is done by copy_from_user and copy_to_user calls in - * SkGeIoctl. - * - * Returns: - * returned size from PNMI call - */ -static int SkGeIocMib( -DEV_NET *pNet, /* pointer to the adapter context */ -unsigned int Size, /* length of ioctl data */ -int mode) /* flag for set/preset */ -{ -unsigned long Flags; /* for spin lock */ -SK_AC *pAC; - - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("SkGeIocMib starts now...\n")); - pAC = pNet->pAC; - /* access MIB */ - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - switch(mode) { - case SK_IOCTL_GETMIB: - SkPnmiGetStruct(pAC, pAC->IoBase, &pAC->PnmiStruct, &Size, - pNet->NetNr); - break; - case SK_IOCTL_PRESETMIB: - SkPnmiPreSetStruct(pAC, pAC->IoBase, &pAC->PnmiStruct, &Size, - pNet->NetNr); - break; - case SK_IOCTL_SETMIB: - SkPnmiSetStruct(pAC, pAC->IoBase, &pAC->PnmiStruct, &Size, - pNet->NetNr); - break; - default: - break; - } - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, - ("MIB data access succeeded\n")); - return (Size); -} /* SkGeIocMib */ -#endif - - -/***************************************************************************** - * - * GetConfiguration - read configuration information - * - * Description: - * This function reads per-adapter configuration information from - * the options provided on the command line. - * - * Returns: - * none - */ -static void GetConfiguration( -SK_AC *pAC) /* pointer to the adapter context structure */ -{ -SK_I32 Port; /* preferred port */ -int LinkSpeed; /* Link speed */ -int AutoNeg; /* auto negotiation off (0) or on (1) */ -int DuplexCap; /* duplex capabilities (0=both, 1=full, 2=half */ -int MSMode; /* master / slave mode selection */ -SK_BOOL AutoSet; -SK_BOOL DupSet; -/* - * The two parameters AutoNeg. and DuplexCap. map to one configuration - * parameter. The mapping is described by this table: - * DuplexCap -> | both | full | half | - * AutoNeg | | | | - * ----------------------------------------------------------------- - * Off | illegal | Full | Half | - * ----------------------------------------------------------------- - * On | AutoBoth | AutoFull | AutoHalf | - * ----------------------------------------------------------------- - * Sense | AutoSense | AutoSense | AutoSense | - */ -int Capabilities[3][3] = - { { -1, SK_LMODE_FULL, SK_LMODE_HALF}, - {SK_LMODE_AUTOBOTH, SK_LMODE_AUTOFULL, SK_LMODE_AUTOHALF}, - {SK_LMODE_AUTOSENSE, SK_LMODE_AUTOSENSE, SK_LMODE_AUTOSENSE} }; -#define DC_BOTH 0 -#define DC_FULL 1 -#define DC_HALF 2 -#define AN_OFF 0 -#define AN_ON 1 -#define AN_SENS 2 - - /* settings for port A */ - /* settings link speed */ - LinkSpeed = SK_LSPEED_AUTO; /* default: do auto select */ - if (Speed_A != NULL && pAC->Index<SK_MAX_CARD_PARAM && - Speed_A[pAC->Index] != NULL) { - if (strcmp(Speed_A[pAC->Index],"")==0) { - LinkSpeed = SK_LSPEED_AUTO; - } - else if (strcmp(Speed_A[pAC->Index],"Auto")==0) { - LinkSpeed = SK_LSPEED_AUTO; - } - else if (strcmp(Speed_A[pAC->Index],"10")==0) { - LinkSpeed = SK_LSPEED_10MBPS; - } - else if (strcmp(Speed_A[pAC->Index],"100")==0) { - LinkSpeed = SK_LSPEED_100MBPS; - } - else if (strcmp(Speed_A[pAC->Index],"1000")==0) { - LinkSpeed = SK_LSPEED_1000MBPS; - } - else printk("%s: Illegal value for Speed_A\n", - pAC->dev[0]->name); - } - - /* Check speed parameter */ - /* Only copper type adapter and GE V2 cards */ - if (((pAC->GIni.GIChipId != CHIP_ID_YUKON) || - (pAC->GIni.GICopperType != SK_TRUE)) && - ((LinkSpeed != SK_LSPEED_AUTO) && - (LinkSpeed != SK_LSPEED_1000MBPS))) { - printk("%s: Illegal value for Speed_A. " - "Not a copper card or GE V2 card\n Using " - "speed 1000\n", pAC->dev[0]->name); - LinkSpeed = SK_LSPEED_1000MBPS; - } - pAC->GIni.GP[0].PLinkSpeed = LinkSpeed; - - /* Autonegotiation */ - AutoNeg = AN_ON; /* tschilling: Default: Autonegotiation on! */ - AutoSet = SK_FALSE; - if (AutoNeg_A != NULL && pAC->Index<SK_MAX_CARD_PARAM && - AutoNeg_A[pAC->Index] != NULL) { - AutoSet = SK_TRUE; - if (strcmp(AutoNeg_A[pAC->Index],"")==0) { - AutoSet = SK_FALSE; - } - else if (strcmp(AutoNeg_A[pAC->Index],"On")==0) { - AutoNeg = AN_ON; - } - else if (strcmp(AutoNeg_A[pAC->Index],"Off")==0) { - AutoNeg = AN_OFF; - } - else if (strcmp(AutoNeg_A[pAC->Index],"Sense")==0) { - AutoNeg = AN_SENS; - } - else printk("%s: Illegal value for AutoNeg_A\n", - pAC->dev[0]->name); - } - - DuplexCap = DC_BOTH; - DupSet = SK_FALSE; - if (DupCap_A != NULL && pAC->Index<SK_MAX_CARD_PARAM && - DupCap_A[pAC->Index] != NULL) { - DupSet = SK_TRUE; - if (strcmp(DupCap_A[pAC->Index],"")==0) { - DupSet = SK_FALSE; - } - else if (strcmp(DupCap_A[pAC->Index],"Both")==0) { - DuplexCap = DC_BOTH; - } - else if (strcmp(DupCap_A[pAC->Index],"Full")==0) { - DuplexCap = DC_FULL; - } - else if (strcmp(DupCap_A[pAC->Index],"Half")==0) { - DuplexCap = DC_HALF; - } - else printk("%s: Illegal value for DupCap_A\n", - pAC->dev[0]->name); - } - - /* check for illegal combinations */ - if (AutoSet && AutoNeg==AN_SENS && DupSet) { - printk("%s, Port A: DuplexCapabilities" - " ignored using Sense mode\n", pAC->dev[0]->name); - } - if (AutoSet && AutoNeg==AN_OFF && DupSet && DuplexCap==DC_BOTH){ - printk("%s, Port A: Illegal combination" - " of values AutoNeg. and DuplexCap.\n Using " - "Full Duplex\n", pAC->dev[0]->name); - - DuplexCap = DC_FULL; - } - if (AutoSet && AutoNeg==AN_OFF && !DupSet) { - DuplexCap = DC_FULL; - } - - if (!AutoSet && DupSet) { - printk("%s, Port A: Duplex setting not" - " possible in\n default AutoNegotiation mode" - " (Sense).\n Using AutoNegotiation On\n", - pAC->dev[0]->name); - AutoNeg = AN_ON; - } - - /* set the desired mode */ - pAC->GIni.GP[0].PLinkModeConf = - Capabilities[AutoNeg][DuplexCap]; - - pAC->GIni.GP[0].PFlowCtrlMode = SK_FLOW_MODE_SYM_OR_REM; - if (FlowCtrl_A != NULL && pAC->Index<SK_MAX_CARD_PARAM && - FlowCtrl_A[pAC->Index] != NULL) { - if (strcmp(FlowCtrl_A[pAC->Index],"") == 0) { - } - else if (strcmp(FlowCtrl_A[pAC->Index],"SymOrRem") == 0) { - pAC->GIni.GP[0].PFlowCtrlMode = - SK_FLOW_MODE_SYM_OR_REM; - } - else if (strcmp(FlowCtrl_A[pAC->Index],"Sym")==0) { - pAC->GIni.GP[0].PFlowCtrlMode = - SK_FLOW_MODE_SYMMETRIC; - } - else if (strcmp(FlowCtrl_A[pAC->Index],"LocSend")==0) { - pAC->GIni.GP[0].PFlowCtrlMode = - SK_FLOW_MODE_LOC_SEND; - } - else if (strcmp(FlowCtrl_A[pAC->Index],"None")==0) { - pAC->GIni.GP[0].PFlowCtrlMode = - SK_FLOW_MODE_NONE; - } - else printk("Illegal value for FlowCtrl_A\n"); - } - if (AutoNeg==AN_OFF && pAC->GIni.GP[0].PFlowCtrlMode!= - SK_FLOW_MODE_NONE) { - printk("%s, Port A: FlowControl" - " impossible without AutoNegotiation," - " disabled\n", pAC->dev[0]->name); - pAC->GIni.GP[0].PFlowCtrlMode = SK_FLOW_MODE_NONE; - } - - MSMode = SK_MS_MODE_AUTO; /* default: do auto select */ - if (Role_A != NULL && pAC->Index<SK_MAX_CARD_PARAM && - Role_A[pAC->Index] != NULL) { - if (strcmp(Role_A[pAC->Index],"")==0) { - } - else if (strcmp(Role_A[pAC->Index],"Auto")==0) { - MSMode = SK_MS_MODE_AUTO; - } - else if (strcmp(Role_A[pAC->Index],"Master")==0) { - MSMode = SK_MS_MODE_MASTER; - } - else if (strcmp(Role_A[pAC->Index],"Slave")==0) { - MSMode = SK_MS_MODE_SLAVE; - } - else printk("%s: Illegal value for Role_A\n", - pAC->dev[0]->name); - } - pAC->GIni.GP[0].PMSMode = MSMode; - - - /* settings for port B */ - /* settings link speed */ - LinkSpeed = SK_LSPEED_AUTO; /* default: do auto select */ - if (Speed_B != NULL && pAC->Index<SK_MAX_CARD_PARAM && - Speed_B[pAC->Index] != NULL) { - if (strcmp(Speed_B[pAC->Index],"")==0) { - LinkSpeed = SK_LSPEED_AUTO; - } - else if (strcmp(Speed_B[pAC->Index],"Auto")==0) { - LinkSpeed = SK_LSPEED_AUTO; - } - else if (strcmp(Speed_B[pAC->Index],"10")==0) { - LinkSpeed = SK_LSPEED_10MBPS; - } - else if (strcmp(Speed_B[pAC->Index],"100")==0) { - LinkSpeed = SK_LSPEED_100MBPS; - } - else if (strcmp(Speed_B[pAC->Index],"1000")==0) { - LinkSpeed = SK_LSPEED_1000MBPS; - } - else printk("%s: Illegal value for Speed_B\n", - pAC->dev[1]->name); - } - - /* Check speed parameter */ - /* Only copper type adapter and GE V2 cards */ - if (((pAC->GIni.GIChipId != CHIP_ID_YUKON) || - (pAC->GIni.GICopperType != SK_TRUE)) && - ((LinkSpeed != SK_LSPEED_AUTO) && - (LinkSpeed != SK_LSPEED_1000MBPS))) { - printk("%s: Illegal value for Speed_B. " - "Not a copper card or GE V2 card\n Using " - "speed 1000\n", pAC->dev[1]->name); - LinkSpeed = SK_LSPEED_1000MBPS; - } - pAC->GIni.GP[1].PLinkSpeed = LinkSpeed; - - /* Auto negotiation */ - AutoNeg = AN_SENS; /* default: do auto Sense */ - AutoSet = SK_FALSE; - if (AutoNeg_B != NULL && pAC->Index<SK_MAX_CARD_PARAM && - AutoNeg_B[pAC->Index] != NULL) { - AutoSet = SK_TRUE; - if (strcmp(AutoNeg_B[pAC->Index],"")==0) { - AutoSet = SK_FALSE; - } - else if (strcmp(AutoNeg_B[pAC->Index],"On")==0) { - AutoNeg = AN_ON; - } - else if (strcmp(AutoNeg_B[pAC->Index],"Off")==0) { - AutoNeg = AN_OFF; - } - else if (strcmp(AutoNeg_B[pAC->Index],"Sense")==0) { - AutoNeg = AN_SENS; - } - else printk("Illegal value for AutoNeg_B\n"); - } - - DuplexCap = DC_BOTH; - DupSet = SK_FALSE; - if (DupCap_B != NULL && pAC->Index<SK_MAX_CARD_PARAM && - DupCap_B[pAC->Index] != NULL) { - DupSet = SK_TRUE; - if (strcmp(DupCap_B[pAC->Index],"")==0) { - DupSet = SK_FALSE; - } - else if (strcmp(DupCap_B[pAC->Index],"Both")==0) { - DuplexCap = DC_BOTH; - } - else if (strcmp(DupCap_B[pAC->Index],"Full")==0) { - DuplexCap = DC_FULL; - } - else if (strcmp(DupCap_B[pAC->Index],"Half")==0) { - DuplexCap = DC_HALF; - } - else printk("Illegal value for DupCap_B\n"); - } - - /* check for illegal combinations */ - if (AutoSet && AutoNeg==AN_SENS && DupSet) { - printk("%s, Port B: DuplexCapabilities" - " ignored using Sense mode\n", pAC->dev[1]->name); - } - if (AutoSet && AutoNeg==AN_OFF && DupSet && DuplexCap==DC_BOTH){ - printk("%s, Port B: Illegal combination" - " of values AutoNeg. and DuplexCap.\n Using " - "Full Duplex\n", pAC->dev[1]->name); - - DuplexCap = DC_FULL; - } - if (AutoSet && AutoNeg==AN_OFF && !DupSet) { - DuplexCap = DC_FULL; - } - - if (!AutoSet && DupSet) { - printk("%s, Port B: Duplex setting not" - " possible in\n default AutoNegotiation mode" - " (Sense).\n Using AutoNegotiation On\n", - pAC->dev[1]->name); - AutoNeg = AN_ON; - } - - /* set the desired mode */ - pAC->GIni.GP[1].PLinkModeConf = - Capabilities[AutoNeg][DuplexCap]; - - pAC->GIni.GP[1].PFlowCtrlMode = SK_FLOW_MODE_SYM_OR_REM; - if (FlowCtrl_B != NULL && pAC->Index<SK_MAX_CARD_PARAM && - FlowCtrl_B[pAC->Index] != NULL) { - if (strcmp(FlowCtrl_B[pAC->Index],"") == 0) { - } - else if (strcmp(FlowCtrl_B[pAC->Index],"SymOrRem") == 0) { - pAC->GIni.GP[1].PFlowCtrlMode = - SK_FLOW_MODE_SYM_OR_REM; - } - else if (strcmp(FlowCtrl_B[pAC->Index],"Sym")==0) { - pAC->GIni.GP[1].PFlowCtrlMode = - SK_FLOW_MODE_SYMMETRIC; - } - else if (strcmp(FlowCtrl_B[pAC->Index],"LocSend")==0) { - pAC->GIni.GP[1].PFlowCtrlMode = - SK_FLOW_MODE_LOC_SEND; - } - else if (strcmp(FlowCtrl_B[pAC->Index],"None")==0) { - pAC->GIni.GP[1].PFlowCtrlMode = - SK_FLOW_MODE_NONE; - } - else printk("Illegal value for FlowCtrl_B\n"); - } - if (AutoNeg==AN_OFF && pAC->GIni.GP[1].PFlowCtrlMode!= - SK_FLOW_MODE_NONE) { - printk("%s, Port B: FlowControl" - " impossible without AutoNegotiation," - " disabled\n", pAC->dev[1]->name); - pAC->GIni.GP[1].PFlowCtrlMode = SK_FLOW_MODE_NONE; - } - - MSMode = SK_MS_MODE_AUTO; /* default: do auto select */ - if (Role_B != NULL && pAC->Index<SK_MAX_CARD_PARAM && - Role_B[pAC->Index] != NULL) { - if (strcmp(Role_B[pAC->Index],"")==0) { - } - else if (strcmp(Role_B[pAC->Index],"Auto")==0) { - MSMode = SK_MS_MODE_AUTO; - } - else if (strcmp(Role_B[pAC->Index],"Master")==0) { - MSMode = SK_MS_MODE_MASTER; - } - else if (strcmp(Role_B[pAC->Index],"Slave")==0) { - MSMode = SK_MS_MODE_SLAVE; - } - else printk("%s: Illegal value for Role_B\n", - pAC->dev[1]->name); - } - pAC->GIni.GP[1].PMSMode = MSMode; - - - /* settings for both ports */ - pAC->ActivePort = 0; - if (PrefPort != NULL && pAC->Index<SK_MAX_CARD_PARAM && - PrefPort[pAC->Index] != NULL) { - if (strcmp(PrefPort[pAC->Index],"") == 0) { /* Auto */ - pAC->ActivePort = 0; - pAC->Rlmt.Net[0].Preference = -1; /* auto */ - pAC->Rlmt.Net[0].PrefPort = 0; - } - else if (strcmp(PrefPort[pAC->Index],"A") == 0) { - /* - * do not set ActivePort here, thus a port - * switch is issued after net up. - */ - Port = 0; - pAC->Rlmt.Net[0].Preference = Port; - pAC->Rlmt.Net[0].PrefPort = Port; - } - else if (strcmp(PrefPort[pAC->Index],"B") == 0) { - /* - * do not set ActivePort here, thus a port - * switch is issued after net up. - */ - Port = 1; - pAC->Rlmt.Net[0].Preference = Port; - pAC->Rlmt.Net[0].PrefPort = Port; - } - else printk("%s: Illegal value for PrefPort\n", - pAC->dev[0]->name); - } - - pAC->RlmtNets = 1; - - if (RlmtMode != NULL && pAC->Index<SK_MAX_CARD_PARAM && - RlmtMode[pAC->Index] != NULL) { - if (strcmp(RlmtMode[pAC->Index], "") == 0) { - pAC->RlmtMode = 0; - } - else if (strcmp(RlmtMode[pAC->Index], "CheckLinkState") == 0) { - pAC->RlmtMode = SK_RLMT_CHECK_LINK; - } - else if (strcmp(RlmtMode[pAC->Index], "CheckLocalPort") == 0) { - pAC->RlmtMode = SK_RLMT_CHECK_LINK | - SK_RLMT_CHECK_LOC_LINK; - } - else if (strcmp(RlmtMode[pAC->Index], "CheckSeg") == 0) { - pAC->RlmtMode = SK_RLMT_CHECK_LINK | - SK_RLMT_CHECK_LOC_LINK | - SK_RLMT_CHECK_SEG; - } - else if ((strcmp(RlmtMode[pAC->Index], "DualNet") == 0) && - (pAC->GIni.GIMacsFound == 2)) { - pAC->RlmtMode = SK_RLMT_CHECK_LINK; - pAC->RlmtNets = 2; - } - else { - printk("%s: Illegal value for" - " RlmtMode, using default\n", pAC->dev[0]->name); - pAC->RlmtMode = 0; - } - } - else { - pAC->RlmtMode = 0; - } -} /* GetConfiguration */ - - -/***************************************************************************** - * - * ProductStr - return a adapter identification string from vpd - * - * Description: - * This function reads the product name string from the vpd area - * and puts it the field pAC->DeviceString. - * - * Returns: N/A - */ -static void ProductStr( -SK_AC *pAC /* pointer to adapter context */ -) -{ -int StrLen = 80; /* length of the string, defined in SK_AC */ -char Keyword[] = VPD_NAME; /* vpd productname identifier */ -int ReturnCode; /* return code from vpd_read */ -unsigned long Flags; - - spin_lock_irqsave(&pAC->SlowPathLock, Flags); - ReturnCode = VpdRead(pAC, pAC->IoBase, Keyword, pAC->DeviceStr, - &StrLen); - spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); - if (ReturnCode != 0) { - /* there was an error reading the vpd data */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ERROR, - ("Error reading VPD data: %d\n", ReturnCode)); - pAC->DeviceStr[0] = '\0'; - } -} /* ProductStr */ - - -/****************************************************************************/ -/* functions for common modules *********************************************/ -/****************************************************************************/ - - -/***************************************************************************** - * - * SkDrvAllocRlmtMbuf - allocate an RLMT mbuf - * - * Description: - * This routine returns an RLMT mbuf or NULL. The RLMT Mbuf structure - * is embedded into a socket buff data area. - * - * Context: - * runtime - * - * Returns: - * NULL or pointer to Mbuf. - */ -SK_MBUF *SkDrvAllocRlmtMbuf( -SK_AC *pAC, /* pointer to adapter context */ -SK_IOC IoC, /* the IO-context */ -unsigned BufferSize) /* size of the requested buffer */ -{ -SK_MBUF *pRlmtMbuf; /* pointer to a new rlmt-mbuf structure */ -struct sk_buff *pMsgBlock; /* pointer to a new message block */ - - pMsgBlock = alloc_skb(BufferSize + sizeof(SK_MBUF), GFP_ATOMIC); - if (pMsgBlock == NULL) { - return (NULL); - } - pRlmtMbuf = (SK_MBUF*) pMsgBlock->data; - skb_reserve(pMsgBlock, sizeof(SK_MBUF)); - pRlmtMbuf->pNext = NULL; - pRlmtMbuf->pOs = pMsgBlock; - pRlmtMbuf->pData = pMsgBlock->data; /* Data buffer. */ - pRlmtMbuf->Size = BufferSize; /* Data buffer size. */ - pRlmtMbuf->Length = 0; /* Length of packet (<= Size). */ - return (pRlmtMbuf); - -} /* SkDrvAllocRlmtMbuf */ - - -/***************************************************************************** - * - * SkDrvFreeRlmtMbuf - free an RLMT mbuf - * - * Description: - * This routine frees one or more RLMT mbuf(s). - * - * Context: - * runtime - * - * Returns: - * Nothing - */ -void SkDrvFreeRlmtMbuf( -SK_AC *pAC, /* pointer to adapter context */ -SK_IOC IoC, /* the IO-context */ -SK_MBUF *pMbuf) /* size of the requested buffer */ -{ -SK_MBUF *pFreeMbuf; -SK_MBUF *pNextMbuf; - - pFreeMbuf = pMbuf; - do { - pNextMbuf = pFreeMbuf->pNext; - DEV_KFREE_SKB_ANY(pFreeMbuf->pOs); - pFreeMbuf = pNextMbuf; - } while ( pFreeMbuf != NULL ); -} /* SkDrvFreeRlmtMbuf */ - - -/***************************************************************************** - * - * SkOsGetTime - provide a time value - * - * Description: - * This routine provides a time value. The unit is 1/HZ (defined by Linux). - * It is not used for absolute time, but only for time differences. - * - * - * Returns: - * Time value - */ -SK_U64 SkOsGetTime(SK_AC *pAC) -{ -#if 0 - return jiffies; -#else - return get_timer(0); -#endif -} /* SkOsGetTime */ - - -/***************************************************************************** - * - * SkPciReadCfgDWord - read a 32 bit value from pci config space - * - * Description: - * This routine reads a 32 bit value from the pci configuration - * space. - * - * Returns: - * 0 - indicate everything worked ok. - * != 0 - error indication - */ -int SkPciReadCfgDWord( -SK_AC *pAC, /* Adapter Control structure pointer */ -int PciAddr, /* PCI register address */ -SK_U32 *pVal) /* pointer to store the read value */ -{ - pci_read_config_dword(pAC->PciDev, PciAddr, pVal); - return(0); -} /* SkPciReadCfgDWord */ - - -/***************************************************************************** - * - * SkPciReadCfgWord - read a 16 bit value from pci config space - * - * Description: - * This routine reads a 16 bit value from the pci configuration - * space. - * - * Returns: - * 0 - indicate everything worked ok. - * != 0 - error indication - */ -int SkPciReadCfgWord( -SK_AC *pAC, /* Adapter Control structure pointer */ -int PciAddr, /* PCI register address */ -SK_U16 *pVal) /* pointer to store the read value */ -{ - pci_read_config_word(pAC->PciDev, PciAddr, pVal); - return(0); -} /* SkPciReadCfgWord */ - - -/***************************************************************************** - * - * SkPciReadCfgByte - read a 8 bit value from pci config space - * - * Description: - * This routine reads a 8 bit value from the pci configuration - * space. - * - * Returns: - * 0 - indicate everything worked ok. - * != 0 - error indication - */ -int SkPciReadCfgByte( -SK_AC *pAC, /* Adapter Control structure pointer */ -int PciAddr, /* PCI register address */ -SK_U8 *pVal) /* pointer to store the read value */ -{ - pci_read_config_byte(pAC->PciDev, PciAddr, pVal); - return(0); -} /* SkPciReadCfgByte */ - - -/***************************************************************************** - * - * SkPciWriteCfgDWord - write a 32 bit value to pci config space - * - * Description: - * This routine writes a 32 bit value to the pci configuration - * space. - * - * Returns: - * 0 - indicate everything worked ok. - * != 0 - error indication - */ -int SkPciWriteCfgDWord( -SK_AC *pAC, /* Adapter Control structure pointer */ -int PciAddr, /* PCI register address */ -SK_U32 Val) /* pointer to store the read value */ -{ - pci_write_config_dword(pAC->PciDev, PciAddr, Val); - return(0); -} /* SkPciWriteCfgDWord */ - - -/***************************************************************************** - * - * SkPciWriteCfgWord - write a 16 bit value to pci config space - * - * Description: - * This routine writes a 16 bit value to the pci configuration - * space. The flag PciConfigUp indicates whether the config space - * is accesible or must be set up first. - * - * Returns: - * 0 - indicate everything worked ok. - * != 0 - error indication - */ -int SkPciWriteCfgWord( -SK_AC *pAC, /* Adapter Control structure pointer */ -int PciAddr, /* PCI register address */ -SK_U16 Val) /* pointer to store the read value */ -{ - pci_write_config_word(pAC->PciDev, PciAddr, Val); - return(0); -} /* SkPciWriteCfgWord */ - - -/***************************************************************************** - * - * SkPciWriteCfgWord - write a 8 bit value to pci config space - * - * Description: - * This routine writes a 8 bit value to the pci configuration - * space. The flag PciConfigUp indicates whether the config space - * is accesible or must be set up first. - * - * Returns: - * 0 - indicate everything worked ok. - * != 0 - error indication - */ -int SkPciWriteCfgByte( -SK_AC *pAC, /* Adapter Control structure pointer */ -int PciAddr, /* PCI register address */ -SK_U8 Val) /* pointer to store the read value */ -{ - pci_write_config_byte(pAC->PciDev, PciAddr, Val); - return(0); -} /* SkPciWriteCfgByte */ - - -/***************************************************************************** - * - * SkDrvEvent - handle driver events - * - * Description: - * This function handles events from all modules directed to the driver - * - * Context: - * Is called under protection of slow path lock. - * - * Returns: - * 0 if everything ok - * < 0 on error - * - */ -int SkDrvEvent( -SK_AC *pAC, /* pointer to adapter context */ -SK_IOC IoC, /* io-context */ -SK_U32 Event, /* event-id */ -SK_EVPARA Param) /* event-parameter */ -{ -SK_MBUF *pRlmtMbuf; /* pointer to a rlmt-mbuf structure */ -struct sk_buff *pMsg; /* pointer to a message block */ -int FromPort; /* the port from which we switch away */ -int ToPort; /* the port we switch to */ -SK_EVPARA NewPara; /* parameter for further events */ -#if 0 -int Stat; -#endif -unsigned long Flags; -SK_BOOL DualNet; - - switch (Event) { - case SK_DRV_ADAP_FAIL: - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, - ("ADAPTER FAIL EVENT\n")); - printk("%s: Adapter failed.\n", pAC->dev[0]->name); - /* disable interrupts */ - SK_OUT32(pAC->IoBase, B0_IMSK, 0); - /* cgoos */ - break; - case SK_DRV_PORT_FAIL: - FromPort = Param.Para32[0]; - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, - ("PORT FAIL EVENT, Port: %d\n", FromPort)); - if (FromPort == 0) { - printk("%s: Port A failed.\n", pAC->dev[0]->name); - } else { - printk("%s: Port B failed.\n", pAC->dev[1]->name); - } - /* cgoos */ - break; - case SK_DRV_PORT_RESET: /* SK_U32 PortIdx */ - /* action list 4 */ - FromPort = Param.Para32[0]; - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, - ("PORT RESET EVENT, Port: %d ", FromPort)); - NewPara.Para64 = FromPort; - SkPnmiEvent(pAC, IoC, SK_PNMI_EVT_XMAC_RESET, NewPara); - spin_lock_irqsave( - &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, - Flags); - SkGeStopPort(pAC, IoC, FromPort, SK_STOP_ALL, SK_HARD_RST); -#if 0 - pAC->dev[Param.Para32[0]]->flags &= ~IFF_RUNNING; -#endif - spin_unlock_irqrestore( - &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, - Flags); - - /* clear rx ring from received frames */ - ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE); - - ClearTxRing(pAC, &pAC->TxPort[FromPort][TX_PRIO_LOW]); - spin_lock_irqsave( - &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, - Flags); - - /* tschilling: Handling of return value inserted. */ - if (SkGeInitPort(pAC, IoC, FromPort)) { - if (FromPort == 0) { - printk("%s: SkGeInitPort A failed.\n", pAC->dev[0]->name); - } else { - printk("%s: SkGeInitPort B failed.\n", pAC->dev[1]->name); - } - } - SkAddrMcUpdate(pAC,IoC, FromPort); - PortReInitBmu(pAC, FromPort); - SkGePollTxD(pAC, IoC, FromPort, SK_TRUE); - ClearAndStartRx(pAC, FromPort); - spin_unlock_irqrestore( - &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, - Flags); - break; - case SK_DRV_NET_UP: /* SK_U32 PortIdx */ - /* action list 5 */ - FromPort = Param.Para32[0]; - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, - ("NET UP EVENT, Port: %d ", Param.Para32[0])); -#ifdef SK98_INFO - printk("%s: network connection up using" - " port %c\n", pAC->dev[Param.Para32[0]]->name, 'A'+Param.Para32[0]); - - /* tschilling: Values changed according to LinkSpeedUsed. */ - Stat = pAC->GIni.GP[FromPort].PLinkSpeedUsed; - if (Stat == SK_LSPEED_STAT_10MBPS) { - printk(" speed: 10\n"); - } else if (Stat == SK_LSPEED_STAT_100MBPS) { - printk(" speed: 100\n"); - } else if (Stat == SK_LSPEED_STAT_1000MBPS) { - printk(" speed: 1000\n"); - } else { - printk(" speed: unknown\n"); - } - - Stat = pAC->GIni.GP[FromPort].PLinkModeStatus; - if (Stat == SK_LMODE_STAT_AUTOHALF || - Stat == SK_LMODE_STAT_AUTOFULL) { - printk(" autonegotiation: yes\n"); - } - else { - printk(" autonegotiation: no\n"); - } - if (Stat == SK_LMODE_STAT_AUTOHALF || - Stat == SK_LMODE_STAT_HALF) { - printk(" duplex mode: half\n"); - } - else { - printk(" duplex mode: full\n"); - } - Stat = pAC->GIni.GP[FromPort].PFlowCtrlStatus; - if (Stat == SK_FLOW_STAT_REM_SEND ) { - printk(" flowctrl: remote send\n"); - } - else if (Stat == SK_FLOW_STAT_LOC_SEND ){ - printk(" flowctrl: local send\n"); - } - else if (Stat == SK_FLOW_STAT_SYMMETRIC ){ - printk(" flowctrl: symmetric\n"); - } - else { - printk(" flowctrl: none\n"); - } - - /* tschilling: Check against CopperType now. */ - if ((pAC->GIni.GICopperType == SK_TRUE) && - (pAC->GIni.GP[FromPort].PLinkSpeedUsed == - SK_LSPEED_STAT_1000MBPS)) { - Stat = pAC->GIni.GP[FromPort].PMSStatus; - if (Stat == SK_MS_STAT_MASTER ) { - printk(" role: master\n"); - } - else if (Stat == SK_MS_STAT_SLAVE ) { - printk(" role: slave\n"); - } - else { - printk(" role: ???\n"); - } - } - -#ifdef SK_ZEROCOPY - if (pAC->GIni.GIChipId == CHIP_ID_YUKON) - printk(" scatter-gather: enabled\n"); - else - printk(" scatter-gather: disabled\n"); - -#else - printk(" scatter-gather: disabled\n"); -#endif -#endif /* SK98_INFO */ - - if ((Param.Para32[0] != pAC->ActivePort) && - (pAC->RlmtNets == 1)) { - NewPara.Para32[0] = pAC->ActivePort; - NewPara.Para32[1] = Param.Para32[0]; - SkEventQueue(pAC, SKGE_DRV, SK_DRV_SWITCH_INTERN, - NewPara); - } - - /* Inform the world that link protocol is up. */ -#if 0 - pAC->dev[Param.Para32[0]]->flags |= IFF_RUNNING; -#endif - - break; - case SK_DRV_NET_DOWN: /* SK_U32 Reason */ - /* action list 7 */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, - ("NET DOWN EVENT ")); -#ifdef SK98_INFO - printk("%s: network connection down\n", pAC->dev[Param.Para32[1]]->name); -#endif -#if 0 - pAC->dev[Param.Para32[1]]->flags &= ~IFF_RUNNING; -#endif - break; - case SK_DRV_SWITCH_HARD: /* SK_U32 FromPortIdx SK_U32 ToPortIdx */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, - ("PORT SWITCH HARD ")); - case SK_DRV_SWITCH_SOFT: /* SK_U32 FromPortIdx SK_U32 ToPortIdx */ - /* action list 6 */ - printk("%s: switching to port %c\n", pAC->dev[0]->name, - 'A'+Param.Para32[1]); - case SK_DRV_SWITCH_INTERN: /* SK_U32 FromPortIdx SK_U32 ToPortIdx */ - FromPort = Param.Para32[0]; - ToPort = Param.Para32[1]; - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, - ("PORT SWITCH EVENT, From: %d To: %d (Pref %d) ", - FromPort, ToPort, pAC->Rlmt.Net[0].PrefPort)); - NewPara.Para64 = FromPort; - SkPnmiEvent(pAC, IoC, SK_PNMI_EVT_XMAC_RESET, NewPara); - NewPara.Para64 = ToPort; - SkPnmiEvent(pAC, IoC, SK_PNMI_EVT_XMAC_RESET, NewPara); - spin_lock_irqsave( - &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, - Flags); - spin_lock_irqsave( - &pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock, Flags); - SkGeStopPort(pAC, IoC, FromPort, SK_STOP_ALL, SK_SOFT_RST); - SkGeStopPort(pAC, IoC, ToPort, SK_STOP_ALL, SK_SOFT_RST); - spin_unlock_irqrestore( - &pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock, Flags); - spin_unlock_irqrestore( - &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, - Flags); - - ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE); /* clears rx ring */ - ReceiveIrq(pAC, &pAC->RxPort[ToPort], SK_FALSE); /* clears rx ring */ - - ClearTxRing(pAC, &pAC->TxPort[FromPort][TX_PRIO_LOW]); - ClearTxRing(pAC, &pAC->TxPort[ToPort][TX_PRIO_LOW]); - spin_lock_irqsave( - &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, - Flags); - spin_lock_irqsave( - &pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock, Flags); - pAC->ActivePort = ToPort; -#if 0 - SetQueueSizes(pAC); -#else - /* tschilling: New common function with minimum size check. */ - DualNet = SK_FALSE; - if (pAC->RlmtNets == 2) { - DualNet = SK_TRUE; - } - - if (SkGeInitAssignRamToQueues( - pAC, - pAC->ActivePort, - DualNet)) { - spin_unlock_irqrestore( - &pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock, Flags); - spin_unlock_irqrestore( - &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, - Flags); - printk("SkGeInitAssignRamToQueues failed.\n"); - break; - } -#endif - /* tschilling: Handling of return values inserted. */ - if (SkGeInitPort(pAC, IoC, FromPort) || - SkGeInitPort(pAC, IoC, ToPort)) { - printk("%s: SkGeInitPort failed.\n", pAC->dev[0]->name); - } - if (Event == SK_DRV_SWITCH_SOFT) { - SkMacRxTxEnable(pAC, IoC, FromPort); - } - SkMacRxTxEnable(pAC, IoC, ToPort); - SkAddrSwap(pAC, IoC, FromPort, ToPort); - SkAddrMcUpdate(pAC, IoC, FromPort); - SkAddrMcUpdate(pAC, IoC, ToPort); - PortReInitBmu(pAC, FromPort); - PortReInitBmu(pAC, ToPort); - SkGePollTxD(pAC, IoC, FromPort, SK_TRUE); - SkGePollTxD(pAC, IoC, ToPort, SK_TRUE); - ClearAndStartRx(pAC, FromPort); - ClearAndStartRx(pAC, ToPort); - spin_unlock_irqrestore( - &pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock, Flags); - spin_unlock_irqrestore( - &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, - Flags); - break; - case SK_DRV_RLMT_SEND: /* SK_MBUF *pMb */ - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, - ("RLS ")); - pRlmtMbuf = (SK_MBUF*) Param.pParaPtr; - pMsg = (struct sk_buff*) pRlmtMbuf->pOs; - skb_put(pMsg, pRlmtMbuf->Length); - if (XmitFrame(pAC, &pAC->TxPort[pRlmtMbuf->PortIdx][TX_PRIO_LOW], - pMsg) < 0) - - DEV_KFREE_SKB_ANY(pMsg); - break; - default: - break; - } - SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, - ("END EVENT ")); - - return (0); -} /* SkDrvEvent */ - - -/***************************************************************************** - * - * SkErrorLog - log errors - * - * Description: - * This function logs errors to the system buffer and to the console - * - * Returns: - * 0 if everything ok - * < 0 on error - * - */ -void SkErrorLog( -SK_AC *pAC, -int ErrClass, -int ErrNum, -char *pErrorMsg) -{ -char ClassStr[80]; - - switch (ErrClass) { - case SK_ERRCL_OTHER: - strcpy(ClassStr, "Other error"); - break; - case SK_ERRCL_CONFIG: - strcpy(ClassStr, "Configuration error"); - break; - case SK_ERRCL_INIT: - strcpy(ClassStr, "Initialization error"); - break; - case SK_ERRCL_NORES: - strcpy(ClassStr, "Out of resources error"); - break; - case SK_ERRCL_SW: - strcpy(ClassStr, "internal Software error"); - break; - case SK_ERRCL_HW: - strcpy(ClassStr, "Hardware failure"); - break; - case SK_ERRCL_COMM: - strcpy(ClassStr, "Communication error"); - break; - } - printk(KERN_INFO "%s: -- ERROR --\n Class: %s\n" - " Nr: 0x%x\n Msg: %s\n", pAC->dev[0]->name, - ClassStr, ErrNum, pErrorMsg); - -} /* SkErrorLog */ - -#ifdef DEBUG -/****************************************************************************/ -/* "debug only" section *****************************************************/ -/****************************************************************************/ - - -/***************************************************************************** - * - * DumpMsg - print a frame - * - * Description: - * This function prints frames to the system logfile/to the console. - * - * Returns: N/A - * - */ -static void DumpMsg(struct sk_buff *skb, char *str) -{ - int msglen; - - if (skb == NULL) { - printk("DumpMsg(): NULL-Message\n"); - return; - } - - if (skb->data == NULL) { - printk("DumpMsg(): Message empty\n"); - return; - } - - msglen = skb->len; - if (msglen > 64) - msglen = 64; - - printk("--- Begin of message from %s , len %d (from %d) ----\n", str, msglen, skb->len); - - DumpData((char *)skb->data, msglen); - - printk("------- End of message ---------\n"); -} /* DumpMsg */ - - -/***************************************************************************** - * - * DumpData - print a data area - * - * Description: - * This function prints a area of data to the system logfile/to the - * console. - * - * Returns: N/A - * - */ -static void DumpData(char *p, int size) -{ -register int i; -int haddr, addr; -char hex_buffer[180]; -char asc_buffer[180]; -char HEXCHAR[] = "0123456789ABCDEF"; - - addr = 0; - haddr = 0; - hex_buffer[0] = 0; - asc_buffer[0] = 0; - for (i=0; i < size; ) { - if (*p >= '0' && *p <='z') - asc_buffer[addr] = *p; - else - asc_buffer[addr] = '.'; - addr++; - asc_buffer[addr] = 0; - hex_buffer[haddr] = HEXCHAR[(*p & 0xf0) >> 4]; - haddr++; - hex_buffer[haddr] = HEXCHAR[*p & 0x0f]; - haddr++; - hex_buffer[haddr] = ' '; - haddr++; - hex_buffer[haddr] = 0; - p++; - i++; - if (i%16 == 0) { - printk("%s %s\n", hex_buffer, asc_buffer); - addr = 0; - haddr = 0; - } - } -} /* DumpData */ - - -/***************************************************************************** - * - * DumpLong - print a data area as long values - * - * Description: - * This function prints a area of data to the system logfile/to the - * console. - * - * Returns: N/A - * - */ -static void DumpLong(char *pc, int size) -{ -register int i; -int haddr, addr; -char hex_buffer[180]; -char asc_buffer[180]; -char HEXCHAR[] = "0123456789ABCDEF"; -long *p; -int l; - - addr = 0; - haddr = 0; - hex_buffer[0] = 0; - asc_buffer[0] = 0; - p = (long*) pc; - for (i=0; i < size; ) { - l = (long) *p; - hex_buffer[haddr] = HEXCHAR[(l >> 28) & 0xf]; - haddr++; - hex_buffer[haddr] = HEXCHAR[(l >> 24) & 0xf]; - haddr++; - hex_buffer[haddr] = HEXCHAR[(l >> 20) & 0xf]; - haddr++; - hex_buffer[haddr] = HEXCHAR[(l >> 16) & 0xf]; - haddr++; - hex_buffer[haddr] = HEXCHAR[(l >> 12) & 0xf]; - haddr++; - hex_buffer[haddr] = HEXCHAR[(l >> 8) & 0xf]; - haddr++; - hex_buffer[haddr] = HEXCHAR[(l >> 4) & 0xf]; - haddr++; - hex_buffer[haddr] = HEXCHAR[l & 0x0f]; - haddr++; - hex_buffer[haddr] = ' '; - haddr++; - hex_buffer[haddr] = 0; - p++; - i++; - if (i%8 == 0) { - printk("%4x %s\n", (i-8)*4, hex_buffer); - haddr = 0; - } - } - printk("------------------------\n"); -} /* DumpLong */ - -#endif |