580 lines
16 KiB
C
580 lines
16 KiB
C
/*******************************************************************************
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Copyright (C) Marvell International Ltd. and its affiliates
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********************************************************************************
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Marvell GPL License Option
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If you received this File from Marvell, you may opt to use, redistribute and/or
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modify this File in accordance with the terms and conditions of the General
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Public License Version 2, June 1991 (the "GPL License"), a copy of which is
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available along with the File in the license.txt file or by writing to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
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on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
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THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
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WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
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DISCLAIMED. The GPL License provides additional details about this warranty
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disclaimer.
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*******************************************************************************/
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#include <common.h>
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#include <command.h>
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#include <net.h>
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#include <malloc.h>
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#if defined (MV_INCLUDE_GIG_ETH)
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#include "sys/mvSysGbe.h"
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#include "mvOs.h"
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#include "mvSysHwConfig.h"
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#include "eth/mvEth.h"
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#include "gpp/mvGppRegs.h"
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#include "eth/gbe/mvEthGbe.h"
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#include "eth-phy/mvEthPhy.h"
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#include "ethSwitch/mvSwitch.h"
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#include "mvBoardEnvLib.h"
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#if defined(DUAL_OS_78200) || defined(DUAL_OS_SHARED_MEM_78200)
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#include "mv78200/mvSocUnitMap.h"
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#include "mv78200/mvSemaphore.h"
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#endif
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/* #define MV_DEBUG*/
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#ifdef MV_DEBUG
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#define DB(x) x
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#else
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#define DB(x)
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#endif
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/******************************************************
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* driver internal definitions -- *
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******************************************************/
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/* use only tx-queue0 and rx-queue0 */
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#define EGIGA_DEF_TXQ 0
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#define EGIGA_DEF_RXQ 0
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/* rx buffer size */
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#define ETH_HLEN 14
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#define WRAP (2 + ETH_HLEN + 4 + 32) /* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch)*/
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#define MTU 1500
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#define RX_BUFFER_SIZE (MTU + WRAP)
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/* rings length */
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#define EGIGA_TXQ_LEN 20
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#define EGIGA_RXQ_LEN 20
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typedef struct _egigaPriv
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{
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int port;
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MV_VOID *halPriv;
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MV_U32 rxqCount;
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MV_U32 txqCount;
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MV_BOOL devInit;
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} egigaPriv;
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/******************************************************
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* functions prototype -- *
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******************************************************/
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static int mvEgigaLoad( int port, char *name, char *enet_addr );
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static int mvEgigaInit( struct eth_device *dev, bd_t *p );
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static int mvEgigaHalt( struct eth_device *dev );
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static int mvEgigaTx( struct eth_device *dev, volatile MV_VOID *packet, int len );
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static int mvEgigaRx( struct eth_device *dev );
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static MV_PKT_INFO* mvEgigaRxFill(MV_VOID);
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/***********************************************************
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* mv_eth_initialize -- *
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* main driver initialization. loading the interfaces. *
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***********************************************************/
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int mv_eth_initialize( bd_t *bis )
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{
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int port;
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MV_8 *enet_addr;
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MV_8 name[NAMESIZE+1];
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MV_8 enetvar[9];
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MV_8 ethPortNum = mvCtrlEthMaxPortGet();
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MV_U32 ctrlId = mvCtrlModelGet();
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mvEthInit();
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for(port=0; port<mvCtrlEthMaxPortGet(); port++)
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{
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#ifdef MV78200
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#if defined(DUAL_OS_78200) || defined(DUAL_OS_SHARED_MEM_78200)
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/* Skip ports mapped to another CPU*/
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if (enaMP())
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{
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if (MV_FALSE == mvSocUnitIsMappedToThisCpu(GIGA0+port))
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continue;
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}
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#endif
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#endif
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if (MV_FALSE == mvCtrlPwrClckGet(ETH_GIG_UNIT_ID, port)) continue;
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/* interface name */
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sprintf( name, "egiga%d", port );
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/* interface MAC addr extract */
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sprintf( enetvar, port ? "eth%daddr" : "ethaddr", port );
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enet_addr = getenv( enetvar );
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if ( (MV_78100_DEV_ID == ctrlId) || (MV_78200_DEV_ID == ctrlId) || (MV_76100_DEV_ID == ctrlId) ||
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(MV_6281_DEV_ID == ctrlId) || (MV_6282_DEV_ID == ctrlId) ||(MV_6192_DEV_ID == ctrlId) ||
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(MV_6280_DEV_ID == ctrlId) || (MV_6190_DEV_ID == ctrlId) || (MV_6180_DEV_ID == ctrlId) ||
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(MV_6323_DEV_ID == ctrlId))
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mvEthPortPowerUp(port);
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MV_REG_WRITE(ETH_TX_QUEUE_COMMAND1_REG(port), 0x8);
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mvEgigaLoad( port, name, enet_addr );
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}
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#ifdef RD_MV78XX0_AMC
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/* light ready led */
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MV_REG_BIT_SET(GPP_DATA_OUT_REG(0), BIT8);
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/* Change SATA led polarity */
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MV_REG_BIT_SET(SATA_REG_BASE + 0x2C, BIT3);
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#endif
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return 0;
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}
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/***********************************************************
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* mvEgigaLoad -- *
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* load a network interface into uboot network core. *
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* initialize sw structures e.g. private, rings, etc. *
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***********************************************************/
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static int mvEgigaLoad( int port, char *name, char *enet_addr )
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{
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struct eth_device *dev = NULL;
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egigaPriv *priv = NULL;
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ETH_PORT_CTRL dummy_port_handle;
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DB( printf( "%s: %s load - ", __FUNCTION__, name ) );
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dev = malloc( sizeof(struct eth_device) );
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priv = malloc( sizeof(egigaPriv) );
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if( !dev ) {
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DB( printf( "%s: %s falied to alloc eth_device (error)\n", __FUNCTION__, name ) );
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goto error;
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}
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if( !priv ) {
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DB( printf( "%s: %s falied to alloc egiga_priv (error)\n", __FUNCTION__, name ) );
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goto error;
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}
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memset( priv, 0, sizeof(egigaPriv) );
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/* init device methods */
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memcpy( dev->name, name, NAMESIZE );
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mvMacStrToHex(enet_addr, (MV_8 *)(dev->enetaddr));
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/* set MAC addres even if port was not used yet. */
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dummy_port_handle.portNo = port;
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mvEthMacAddrSet( &dummy_port_handle, dev->enetaddr, EGIGA_DEF_RXQ);
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dev->init = (void *)mvEgigaInit;
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dev->halt = (void *)mvEgigaHalt;
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dev->send = (void *)mvEgigaTx;
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dev->recv = (void *)mvEgigaRx;
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dev->priv = priv;
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dev->iobase = 0;
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priv->port = port;
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/* register the interface */
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eth_register(dev);
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DB( printf( "%s: %s load ok\n", __FUNCTION__, name ) );
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return 0;
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error:
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printf( "%s: %s load failed\n", __FUNCTION__, name );
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if( priv ) free( dev->priv );
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if( dev ) free( dev );
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return -1;
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}
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static MV_PKT_INFO* mvEgigaRxFill(MV_VOID)
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{
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MV_BUF_INFO *pBufInfo;
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MV_PKT_INFO *pPktInfo;
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MV_U8 *buf = (MV_U8 *)memalign( 32, RX_BUFFER_SIZE ); /* align on 32B */
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if( !buf ) {
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DB(printf("failed to alloc buffer\n"));
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return NULL;
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}
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if( ((MV_U32)buf) & 0xf )
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printf( "un-align rx buffer %x\n", (MV_U32)buf );
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pPktInfo = malloc(sizeof(MV_PKT_INFO));
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if (pPktInfo == NULL) {
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printf("Error: cannot allocate memory for pktInfo\n");
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free(buf);
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return NULL;
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}
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pBufInfo = malloc(sizeof(MV_BUF_INFO));
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if (pBufInfo == NULL) {
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printf("Error: cannot allocate memory for bufInfo\n");
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free(buf);
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free(pPktInfo);
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return NULL;
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}
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pBufInfo->bufPhysAddr = mvOsIoVirtToPhy(NULL, buf);
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pBufInfo->bufVirtPtr = buf;
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pBufInfo->bufSize = RX_BUFFER_SIZE;
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pBufInfo->dataSize = 0;
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pPktInfo->osInfo = (MV_ULONG)buf;
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pPktInfo->pFrags = pBufInfo;
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pPktInfo->pktSize = RX_BUFFER_SIZE; /* how much to invalidate */
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pPktInfo->numFrags = 1;
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pPktInfo->status = 0;
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pPktInfo->ownerId = -1;
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return pPktInfo;
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}
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unsigned int egiga_init=0;
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static int mvEgigaInit( struct eth_device *dev, bd_t *p )
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{
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egigaPriv *priv = dev->priv;
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MV_ETH_PORT_INIT halInitStruct;
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MV_PKT_INFO *pktInfo;
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MV_STATUS status;
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int i;
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DB( printf( "%s: %s init - ", __FUNCTION__, dev->name ) );
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/* egiga not ready */
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DB( printf ("mvBoardsAddrGet()=0x%x , priv->port =0x%x\n",mvBoardPhyAddrGet(priv->port),priv->port));
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/* If speed is not auto then link is force */
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if (BOARD_MAC_SPEED_AUTO == mvBoardMacSpeedGet(priv->port))
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{
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#if defined(DUAL_OS_78200) || defined(DUAL_OS_SHARED_MEM_78200)
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mvSemaLock(MV_SEMA_SMI);
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#endif
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/* Check Link status on phy */
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if( mvEthPhyCheckLink( mvBoardPhyAddrGet(priv->port) ) == MV_FALSE ) {
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#if defined(DUAL_OS_78200) || defined(DUAL_OS_SHARED_MEM_78200)
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mvSemaUnlock(MV_SEMA_SMI);
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#endif
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printf( "%s no link\n", dev->name );
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return 0;
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}
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else {
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#if defined(DUAL_OS_78200) || defined(DUAL_OS_SHARED_MEM_78200)
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mvSemaUnlock(MV_SEMA_SMI);
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#endif
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DB( printf( "link up\n" ) );
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}
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}
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egiga_init = 1;
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/* init the hal -- create internal port control structure and descriptor rings, */
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/* open address decode windows, disable rx and tx operations. mask interrupts. */
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halInitStruct.maxRxPktSize = RX_BUFFER_SIZE;
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halInitStruct.rxDefQ = EGIGA_DEF_RXQ;
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halInitStruct.txDescrNum[0] = EGIGA_TXQ_LEN;
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halInitStruct.rxDescrNum[0] = EGIGA_RXQ_LEN;
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halInitStruct.osHandle = NULL;
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priv->halPriv = mvEthPortInit( priv->port, &halInitStruct );
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if( !priv->halPriv ) {
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DB( printf( "falied to init eth port (error)\n" ) );
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goto error;
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}
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/* set new addr in hw */
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if( mvEthMacAddrSet( priv->halPriv, dev->enetaddr, EGIGA_DEF_RXQ) != MV_OK ) {
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printf("%s: ethSetMacAddr failed\n", dev->name );
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goto error;
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}
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priv->devInit = MV_TRUE;
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/* fill rx ring with buffers */
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for( i=0; i<EGIGA_RXQ_LEN; i++ ) {
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pktInfo = mvEgigaRxFill();
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if (pktInfo == NULL)
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goto error;
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/* give the buffer to hal */
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status = mvEthPortRxDone( priv->halPriv, EGIGA_DEF_RXQ, pktInfo );
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if( status == MV_OK ) {
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priv->rxqCount++;
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}
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else if( status == MV_FULL ) {
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/* the ring is full */
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priv->rxqCount++;
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DB( printf( "ring full\n" ) );
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break;
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}
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else {
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printf( "error\n" );
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goto error;
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}
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}
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#ifdef MV_DEBUG
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ethPortQueues(priv->port, EGIGA_DEF_RXQ, EGIGA_DEF_TXQ, 1);
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printf("%s : after calling ethPortQueues\n",__FUNCTION__);
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#endif
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/* start the hal - rx/tx activity */
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/* Check if link is up for 2 Sec */
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for (i = 1; i < 100 ; i ++)
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{
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status = mvEthPortEnable( priv->halPriv );
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if (status == MV_OK)
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break;
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mvOsDelay(20);
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}
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if( status != MV_OK ) {
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printf( "%s: %s mvEthPortEnable failed (error)\n", __FUNCTION__, dev->name );
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goto error;
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}
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#ifdef MV_DEBUG
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ethRegs(priv->port);
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ethPortRegs(priv->port);
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ethPortStatus(priv->port);
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ethPortQueues(priv->port, EGIGA_DEF_RXQ, -1/*EGIGA_DEF_TXQ*/, 0);
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#endif
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DB( printf( "%s: %s complete ok\n", __FUNCTION__, dev->name ) );
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return 1;
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error:
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if( priv->devInit )
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mvEgigaHalt( dev );
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printf( "%s: %s failed\n", __FUNCTION__, dev->name );
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return 0;
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}
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static int mvEgigaHalt( struct eth_device *dev )
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{
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egigaPriv *priv = dev->priv;
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MV_PKT_INFO *pktInfo;
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DB( printf( "%s: %s halt - ", __FUNCTION__, dev->name ) );
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if( priv->devInit == MV_TRUE ) {
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/* stop the port activity, mask all interrupts */
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if( mvEthPortDisable( priv->halPriv ) != MV_OK )
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printf( "mvEthPortDisable failed (error)\n" );
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/* free the buffs in the rx ring */
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while( (pktInfo = mvEthPortForceRx( priv->halPriv, EGIGA_DEF_RXQ )) != NULL ) {
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priv->rxqCount--;
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if( pktInfo->osInfo )
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free( (void *)pktInfo->osInfo );
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else
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printf( "mvEthPortForceRx failed (error)\n" );
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if( pktInfo->pFrags )
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free( (void *)pktInfo->pFrags );
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else
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printf( "mvEthPortForceRx failed (error)\n" );
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free( (void *)pktInfo );
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}
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/* Clear Cause registers (must come before mvEthPortFinish) */
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MV_REG_WRITE(ETH_INTR_CAUSE_REG(((ETH_PORT_CTRL*)(priv->halPriv))->portNo),0);
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MV_REG_WRITE(ETH_INTR_CAUSE_EXT_REG(((ETH_PORT_CTRL*)(priv->halPriv))->portNo),0);
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/* Clear Cause registers */
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MV_REG_WRITE(ETH_INTR_CAUSE_REG(((ETH_PORT_CTRL*)(priv->halPriv))->portNo),0);
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MV_REG_WRITE(ETH_INTR_CAUSE_EXT_REG(((ETH_PORT_CTRL*)(priv->halPriv))->portNo),0);
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mvEthPortFinish( priv->halPriv );
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priv->devInit = MV_FALSE;
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}
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egiga_init = 0;
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DB( printf( "%s: %s complete\n", __FUNCTION__, dev->name ) );
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return 0;
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}
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static int mvEgigaTx( struct eth_device *dev, volatile void *buf, int len )
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{
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egigaPriv *priv = dev->priv;
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MV_BUF_INFO bufInfo;
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MV_PKT_INFO pktInfo;
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MV_PKT_INFO *pPktInfo;
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MV_STATUS status;
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DB( printf( "mvEgigaTx start\n" ) );
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/* if no link exist */
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if(!egiga_init) return 0;
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pktInfo.osInfo = (MV_ULONG)0x44CAFE44;
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pktInfo.pktSize = len;
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pktInfo.pFrags = &bufInfo;
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pktInfo.status = 0;
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pktInfo.numFrags = 1;
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bufInfo.bufVirtPtr = (MV_U8*)buf;
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bufInfo.bufPhysAddr = mvOsIoVirtToPhy(NULL, buf);
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bufInfo.dataSize = len;
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/* send the packet */
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status = mvEthPortTx( priv->halPriv, EGIGA_DEF_TXQ, &pktInfo );
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if( status != MV_OK ) {
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if( status == MV_NO_RESOURCE )
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DB( printf( "ring is full (error)\n" ) );
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else if( status == MV_ERROR )
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printf( "error\n" );
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else
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printf( "unrecognize status (error) ethPortSend\n" );
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goto error;
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}
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else DB( printf( "ok\n" ) );
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priv->txqCount++;
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/* release the transmitted packet(s) */
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while( 1 ) {
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DB( printf( "%s: %s tx-done - ", __FUNCTION__, dev->name ) );
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/* get a packet */
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pPktInfo = mvEthPortTxDone( priv->halPriv, EGIGA_DEF_TXQ);
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if( pPktInfo != NULL ) {
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priv->txqCount--;
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/* validate skb */
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if( (pPktInfo != &pktInfo) || (pPktInfo->osInfo != 0x44CAFE44 ) ) {
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printf( "error\n" );
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goto error;
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}
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/* handle tx error */
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if( pPktInfo->status & (ETH_ERROR_SUMMARY_BIT) ) {
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printf( "bad status (error)\n" );
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goto error;
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}
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DB( printf( "ok\n" ) );
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break;
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}
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else
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DB(printf( "NULL pPktInfo\n" ));
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}
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DB( printf( "%s: %s complete ok\n", __FUNCTION__, dev->name ) );
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return 0;
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error:
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printf( "%s: %s failed\n", __FUNCTION__, dev->name );
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return 1;
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}
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static int mvEgigaRx( struct eth_device *dev )
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{
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egigaPriv* priv = dev->priv;
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MV_PKT_INFO *pktInfo;
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MV_STATUS status;
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/* if no link exist */
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if(!egiga_init) return 0;
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while( 1 ) {
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|
/* get rx packet from hal */
|
|
pktInfo = mvEthPortRx( priv->halPriv, EGIGA_DEF_RXQ);
|
|
|
|
if( pktInfo != NULL ) {
|
|
/*DB( printf( "good rx\n" ) );*/
|
|
priv->rxqCount--;
|
|
|
|
/* check rx error status */
|
|
if( pktInfo->status & (ETH_ERROR_SUMMARY_MASK) ) {
|
|
MV_U32 err = pktInfo->status & ETH_RX_ERROR_CODE_MASK;
|
|
/*DB( printf( "bad rx status %08x, ", (MV_U32)pktInfo->cmdSts ) );*/
|
|
if( err == ETH_RX_RESOURCE_ERROR )
|
|
DB( printf( "(resource error)" ) );
|
|
else if( err == ETH_RX_MAX_FRAME_LEN_ERROR )
|
|
DB( printf( "(max frame length error)" ) );
|
|
else if( err == ETH_RX_OVERRUN_ERROR )
|
|
DB( printf( "(overrun error)" ) );
|
|
else if( err == ETH_RX_CRC_ERROR )
|
|
DB( printf( "(crc error)" ) );
|
|
else {
|
|
DB( printf( "(unknown error)" ) );
|
|
goto error;
|
|
}
|
|
DB( printf( "\n" ) );
|
|
}
|
|
else {
|
|
|
|
DB( printf( "%s: %s calling NetRecieve ", __FUNCTION__, dev->name) );
|
|
DB( printf( "%s: calling NetRecieve pkInfo = 0x%x\n", __FUNCTION__, pktInfo) );
|
|
DB( printf( "%s: calling NetRecieve osInfo = 0x%x\n", __FUNCTION__, pktInfo->osInfo) );
|
|
DB( printf( "%s: calling NetRecieve pktSize = 0x%x\n", __FUNCTION__, pktInfo->pFrags->dataSize) );
|
|
/* good rx - push the packet up (skip on two first empty bytes) */
|
|
NetReceive( ((MV_U8 *)pktInfo->osInfo) + 2, (int)pktInfo->pFrags->dataSize);
|
|
}
|
|
|
|
|
|
DB( printf( "%s: %s refill rx buffer - ", __FUNCTION__, dev->name) );
|
|
|
|
/* give the buffer back to hal (re-init the buffer address) */
|
|
pktInfo->pktSize = RX_BUFFER_SIZE; /* how much to invalidate */
|
|
status = mvEthPortRxDone( priv->halPriv, EGIGA_DEF_RXQ, pktInfo );
|
|
|
|
if( status == MV_OK ) {
|
|
priv->rxqCount++;
|
|
}
|
|
else if( status == MV_FULL ) {
|
|
/* this buffer made the ring full */
|
|
priv->rxqCount++;
|
|
DB( printf( "ring full\n" ) );
|
|
break;
|
|
}
|
|
else {
|
|
printf( "error\n" );
|
|
goto error;
|
|
}
|
|
|
|
} else {
|
|
/* no more rx packets ready */
|
|
/* DB( printf( "no more work\n" ) ); */
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*DB( printf( "%s: %s complete ok\n", __FUNCTION__, dev->name ) );*/
|
|
return 0;
|
|
|
|
error:
|
|
DB( printf( "%s: %s failed\n", __FUNCTION__, dev->name ) );
|
|
return 1;
|
|
}
|
|
#endif /* #if defined (MV_INCLUDE_GIG_ETH) */
|